CN113197454B - Chair seat - Google Patents
Chair seat Download PDFInfo
- Publication number
- CN113197454B CN113197454B CN202110596058.7A CN202110596058A CN113197454B CN 113197454 B CN113197454 B CN 113197454B CN 202110596058 A CN202110596058 A CN 202110596058A CN 113197454 B CN113197454 B CN 113197454B
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- Prior art keywords
- chair
- base
- rod
- rods
- seat
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- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 9
- 230000003014 reinforcing effect Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 241001456553 Chanodichthys dabryi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 230000036544 posture Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/402—Support for the head or the back for the back adjustable in height
Landscapes
- Special Chairs (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a seat, which comprises a base, a supporting component, a chair back and a seat; the lower end of the supporting component is connected and fixed on the base, the supporting component comprises two chair rods, a sliding seat for installing a chair back or a chair seat is arranged between the two chair rods, and two sides of the sliding seat are arranged on the chair rods in a sliding manner; the bottoms of the two chair rods are connected together through a fixing plate, and the lower ends of the chair rods downwards penetrate out of the fixing plate and form an inserting part which is connected and matched with the base; a transverse pulling plate is arranged between the two inserting parts, two ends of the transverse pulling plate are fixedly connected with the inserting parts of the chair rod respectively, and the upper end of the transverse pulling plate is fixedly connected with the fixing plate; an inward concave mounting groove is formed in the upper surface of the base, and the outline of the mounting groove is matched with the size of the fixing plate; the mounting groove is correspondingly provided with a slot, the slot comprises a positioning groove and a transverse groove, the positioning grooves are symmetrically arranged left and right, the transverse groove is communicated between the two positioning grooves, the inserting part is inserted into the positioning groove, and the transverse pulling plate is inserted into the transverse groove.
Description
Technical Field
The utility model relates to the field of seats, in particular to a seat.
Background
The prior study chair generally comprises a cushion, a backrest, a chair rod and a base, wherein the cushion and the backrest are integrally arranged on the chair rod through a base, meanwhile, the base can be adjusted up and down along the chair rod and can rotate around the chair rod, the chair rod is usually fixed on the base through screw locking or direct welding, and the chair rod and the base are often deviated in position in the assembling process and cannot meet the requirement of the assembling precision; in addition, the traditional thread locking or welding connection mode is adopted, after the study chair is loaded, the connection strength of the chair rod and the base is low, and after the study chair is used for a long time, the connection part of the chair rod and the base is easy to loose or break, so that the use safety of the study chair is seriously affected; and only a single chair rod is used for supporting the chair back and the seat cushion, so that potential safety hazards exist.
The chinese patent of CN201920568782.7 discloses an adjustable children's chair, including back of the chair, seat support, truckle and elevating gear, the back of the chair includes back and supporting part, the supporting part is including fixing laminating backup pad and the support of setting on the backup pad of back portion, the support is "H" type, including two parallel arrangement's branch and the crossbeam of setting between branch, the backup pad surface is equipped with the grafting groove, branch one side be equipped with the grafting portion that the grafting groove corresponds, grafting portion inserts in the grafting inslot, grafting portion with be equipped with the elastic component between the branch, the elastic component includes rubber body and sets up at the inside metal sleeve of rubber body, the truckle includes fixing base that the top has the shaft hole and evenly distributed is in fixing base outer circumference and outwards extends a plurality of supporting legs, set up the spread groove on the fixing base, detachable is provided with folding footboard in the spread groove, the one end that the fixing base was kept away from to the supporting leg all is fixed is provided with the bottom plate, and the lower extreme of bottom plate is provided with the dead weight brake wheel, elevating gear includes and cover is in slide bar and two slide mechanism include slide mechanism and locking mechanism. The study chair is provided with only a single slide bar, and the joint of the slide bar and the fixed seat is not reinforced; there is then a problem of structural instability.
For children study chairs, the stability of the chair rod and the connection strength of the chair rod and the base are particularly important; because children love jumping and jump nature, the strength of the learning chair needs to be guaranteed urgently. The existing learning chairs are provided with two chair rods for supporting the backrest and the seat cushion, so that the supporting strength of the learning chair is higher; by adopting the double-chair-rod structure, the pressure applied by the chair back and the chair seat can be effectively dispersed, so that the support of the learning chair is better; however, the double chair bar structure has the following problems: the two chair rods are respectively and independently connected to the base, so that the distance between the two chair rods from bottom to top is difficult to be always equal, and an error of offset in a certain range exists between the two chair rods during installation, so that the up-and-down sliding adjustment of the base between the two chair rods is not smooth, and the problem of clamping exists; thereby the lifting adjustment of the chair back and the cushion is not smooth and the adjustment effect is not good.
The Chinese patent of CN201621456727.1 discloses a multifunctional children's study chair which comprises a support base and rollers rotatably connected to the lower side of the support base, wherein a fixed block is rotatably connected to the center of the upper side of the support base, two sides of the fixed block are symmetrically provided with support frames, one ends of the two support frames far away from the fixed block are connected through handrails, a first fixed sleeve and a second fixed sleeve are sleeved on the support frames, the first fixed sleeve is positioned below the second fixed sleeve, through holes are formed in one sides of the first fixed sleeve and the second fixed sleeve, clamping rods are arranged in the through holes, a plurality of clamping grooves corresponding to the clamping rods are formed in the support frames, a limiting block is fixed to one end of the clamping rods far away from the support frames, and springs are sleeved on the clamping rods. The chair is simple in structure, firm and stable, and convenient to adjust the heights of the chair back and the seat cushion, so that students with different heights can use the chair conveniently, and meanwhile, the angle of the seat cushion can be adjusted, so that the children can keep comfortable and healthy sitting postures, and humpbacks and myopia of the children are prevented. The left side and the right side of the learning chair are symmetrically provided with supporting frames, and the supporting frames are vertical rods which are vertically arranged; the cushion and the chair back are connected to the two supporting frames; although the structure is more stable, the bottoms of the two supporting frames are respectively connected to the fixed block, so that the two chair rods can not be always kept parallel from bottom to top, and the phenomenon of clamping when the heights of the seat cushion and the chair back are adjusted can be caused; furthermore, the lower end of the supporting frame is arranged on the fixed block at the bottom in a common connection mode, hidden danger still exists in the strength of the connection part, and the defect of insufficient safety exists.
Disclosure of Invention
The utility model overcomes the defects in the prior art and provides the seat with stable structure and better safety; the supporting component of the chair adopts a double-chair-rod structure to support the chair back and the chair seat, so that the supporting strength is better; the bottoms of the two chair rods are connected and fixed together by adopting the fixing plate, and the transverse pulling plate is further arranged between the two inserting parts for reinforcement, so that the two chair rods can be kept stable, and can not shake and deviate when in use, and the chair back and the chair seat can be stably and smoothly adjusted along the lifting of the chair rods without being blocked; moreover, the chair rod and the base are fixed in a plugging fit mode, so that the support assembly is tightly connected with the base, and the connection strength between the chair rod and the base is further enhanced.
The technical scheme of the utility model is realized as follows:
a seat comprises a base, a supporting component, a chair back and a seat; the lower end of the supporting component is connected and fixed on the base, the supporting component comprises two longitudinal chair rods which are arranged in a mirror image mode, a sliding seat for installing a chair back or a chair seat is arranged between the two chair rods, and two sides of the sliding seat are arranged on the chair rods in a sliding mode; the bottoms of the two chair rods are connected together through a horizontal fixing plate, the fixing plate is made of rigid materials, and the chair rods are arranged on the fixing plate in a penetrating way; the lower end of the chair rod downwards penetrates out of the fixed plate and forms an inserting part which is connected and matched with the base; a rigid transverse pulling plate is arranged between the two plug-in connection parts, the transverse pulling plate is longitudinally arranged, two ends of the transverse pulling plate are fixedly connected with the plug-in connection parts of the chair rod respectively, and the upper end of the transverse pulling plate is fixedly connected with the fixing plate; an inward concave mounting groove is formed in the upper surface of the base, and the outline of the mounting groove is matched with the size of the fixing plate; the mounting groove is correspondingly provided with a slot, the slot comprises a positioning groove and a transverse groove, the positioning grooves are symmetrically arranged left and right, the transverse groove is communicated between the two positioning grooves, the inserting part is inserted into the positioning groove, and the transverse pulling plate is inserted into the transverse groove.
Preferably, the fixing plate is a metal plate; the two chair rods are respectively welded and fixed with the fixed plate; the transverse pulling plate is a metal plate, and the transverse pulling plate is perpendicular to the fixed plate or the included angle between the transverse pulling plate and the fixed plate is 75-85 degrees; the two ends of the transverse pulling plate are welded and fixed with the inserting parts respectively, and the upper end of the transverse pulling plate is welded and fixed with the fixing plate. The transverse pulling plates are welded and fixed with the inserting parts and the fixing plates simultaneously, so that the chair rods are tightly connected with each other and the chair rods are tightly connected with the fixing plates, and the chair rods cannot shake between every two of the chair rods.
Preferably, the fixing plate is fixedly connected with the base by a screw, and the chair rod is fixedly connected with the base by a screw. Adopt dual fixed for joint strength is higher between chair pole and the base.
Preferably, a bearing part for bearing the chair rod is formed between the bottom of the positioning groove and the bottom surface of the base; the lower end of the chair rod is propped against the bearing part, the chair rod is a metal flat tube, the bottom of the chair rod is fixedly welded with a mounting block for connecting a screw, the mounting block is fixedly connected with the bearing part by a screw, and the screw penetrates from the lower direction of the base. The chair pole is flat pipe, and is lighter, sets up the installation piece in chair pole lower extreme for the screw can be connected to chair pole bottom, does not influence the installation fixedly.
Preferably, the length of the plugging part is between 5cm and 20 cm.
Preferably, after the chair rod is in plug-in fit with the base, the chair rod is in a backward inclined state from bottom to top; the fixing plate is in a horizontal state. The fixed plate is in a horizontal state, so that the fixed plate is convenient to be connected with the base.
Preferably, a decorative cover is sleeved on the two chair rods, and the decorative cover is fixedly connected to the upper surface of the base so as to cover the mounting groove. Concealing the connecting trace and beautifying the appearance.
Preferably, a reinforcing sleeve extending upwards along the length direction of the chair rod is further arranged at the joint of the decorative cover and the chair rod, and the reinforcing sleeve is attached to the chair rod. Further enhancing the strength of the joint of the chair rod and the base.
Preferably, the support assembly further comprises a connecting piece connected to the upper end of the chair rod, and downward insertion tubes are respectively arranged at two ends of the connecting piece and are inserted into the chair rod. The lower ends of the two chair rods are connected through the fixing plate, and the upper ends of the two chair rods are connected through the connecting piece, so that a closed loop is formed between the two chair rods, and the two chair rods can be kept stable and cannot shake and deviate.
Preferably, the sliding seat comprises a connecting cross rod and sleeves respectively arranged at the left side and the right side of the connecting cross rod, and the sleeves are sleeved on the chair rod in a sliding manner. The two sleeves are respectively sleeved on the two chair rods in a sliding way, so that the sliding is more stable and the load dispersing effect can be achieved.
The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:
according to the seat disclosed by the utility model, the fixing plate is welded between the two seat rods, so that the part, penetrating out of the fixing plate, of the lower ends of the two seat rods forms the plug-in part, the transverse pulling plate is welded and fixed between the two plug-in parts, the two ends of the transverse pulling plate are fixed with the plug-in part, and the upper end of the transverse pulling plate is also fixed with the fixing plate; the connection between the plug-in part and the connection between the plug-in part and the fixing plate are very stable, so that the structural strength of the bottom of the chair rod is greatly improved, the two chair rods can be kept relatively stable, and the two chair rods cannot shake or deviate when in use; so that the lifting and the adjustment of the chair seat and the chair back can be smooth and steady.
2, correspondingly arranging a mounting groove on the base, wherein a slot is arranged in the mounting groove, and the slot comprises a positioning groove matched with the plug-in part and a transverse groove matched with the transverse pulling plate; after the installation, the fixing plate is horizontally embedded in the installation groove, the inserting part is inserted in the positioning groove, and the transverse pulling plate is inserted in the transverse groove; multiple grafting cooperation for be connected closely between chair pole and the base, further eliminate and rock, improve joint strength.
3, the chair rod is fixedly connected with the base through a screw, and the fixing plate is fixedly connected with the base through a screw; the double connection is adopted, so that the connection strength between the two chair rods and the base is greatly improved; when the chair rod is stressed, the bottom of the chair rod is propped against the base, and the fixing plate is propped against the base; the stress is more dispersed; the safety of the seat is effectively improved.
4, through connecting the fixed plate and the horizontal pulling plate between the bottoms of the two chair rods, an integral body is formed between the two chair rods, so that when the chair rods are installed with the base, the two chair rods can be simultaneously spliced with the base without the need of sequentially splicing a single chair rod; the installation is more convenient and quick, and the installation steps are reduced.
5, the transverse pulling plate is arranged below the fixed plate, so that the plugging part and the transverse pulling plate are hidden in the base after plugging is completed; and after the connection is completed, a decorative cover is further arranged at the connection part of the upper surface of the base to cover the connection trace, so that only the chair rod is exposed, the stability of the structure is ensured, and the whole structure is simple and attractive.
Drawings
FIG. 1 is a schematic perspective view of a seat according to an embodiment of the present utility model;
FIG. 2 is a rear view of a seat in an embodiment of the utility model;
FIG. 3 is a schematic perspective view of a support assembly according to an embodiment of the present utility model after the support assembly is connected to a base;
FIG. 4 is a schematic perspective view of a support assembly and a base not connected in an embodiment of the present utility model;
FIG. 5 is a schematic perspective view showing the mounting structure of the decoration cover in the embodiment of the utility model;
FIG. 6 is a schematic perspective view of the connection between chair poles in an embodiment of the present utility model;
FIG. 7 is a schematic perspective view of a base in an embodiment of the utility model;
FIG. 8 is a schematic view of the bottom perspective of the chair leg connected to the base in an embodiment of the utility model;
fig. 9 is a schematic perspective view of the connection of the connecting member and the chair rod according to the embodiment of the present utility model.
The reference numerals are as follows: a base 1; a support assembly 2; a chair back A; a seat B; a chair pole 3; a fixing plate 4; a plug-in part 5; a transverse pulling plate 6; a slot 7; a positioning groove 7a; a transverse groove 7b; a slide 8; a support rail 8a; a sleeve 8b; a mounting groove 9; a receiving portion 10; a mounting block 11; a mounting hole 12; a decorative cover 13; a connecting column 14; a connection hole 15; a connecting member 16; a cannula 17; an elastic buckle 18; a bayonet 19; a reinforcing rib 20; reinforcing sleeve 21.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, the term "at least one" refers to one or more, unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific embodiments of the present utility model are as follows:
as shown in fig. 1 to 9, the present utility model provides a seat comprising a base 1, a support assembly 2, a seatback a, and a seat base B; the lower end of the supporting component 2 is fixedly connected to the base 1, the supporting component 2 comprises two longitudinal chair rods 3 which are arranged in a mirror image mode, and the chair back A and the chair seat B are both arranged on the two chair rods 3 in a sliding mode; wherein, two chair rods 3 are connected together through a horizontal fixing plate 4, the fixing plate 4 is positioned at the bottoms of the two chair rods 3, and the fixing plate 4 is made of metal material and has larger strength; the chair rod 3 is arranged on the fixed plate 4 in a penetrating way, the lower end of the chair rod 3 downwards penetrates out of the fixed plate and forms an inserting part 5, a transverse pulling plate 6 is further arranged between the two inserting parts 5, two ends of the transverse pulling plate 6 are fixedly connected with the inserting parts 5 respectively, and the upper end of the transverse pulling plate 6 is fixedly connected with the fixed plate 4; so that the two chair rods 3 and the fixing plate 4 are firmly connected together; the upper surface of the base 1 is provided with a slot 7, the slot 7 comprises a positioning groove 7a which is arranged in bilateral symmetry and a transverse groove 7b which is communicated between the two positioning grooves 7a, the inserting part 5 is inserted into the positioning groove 7a, and the transverse pulling plate 6 is inserted into the transverse groove 7 b.
Further, the method comprises the following steps: the chair is provided with two chair rods 3 for supporting the chair back A and the chair seat B, so that the supporting strength is higher; the bottoms of the two chair rods 3 are firmly fixed together through the fixing plate 4 and the transverse pulling plate 6, so that the two chair rods 3 can be kept stable, and the phenomenon of shaking or deviation does not exist during use; the lower end of the chair rod 3 is also in plug-in fit with the base 1, so that the connection strength between the lower end of the chair rod 3 and the base 1 is greatly enhanced; the safety of the seat is improved.
As shown in fig. 1-6, the chair rod 3 is a flat tube made of metal, and the interior of the chair rod is hollow, so that the overall weight can be reduced; after the chair is installed, the chair rod 3 is kept in a backward inclined state from bottom to top, and the section length direction of the chair rod 3 is consistent with the front-back direction of the base 1, because the chair rod 3 mainly bears the load in the front-back direction, the supporting strength of the chair rod 3 is higher, and the supporting strength of the supporting component 2 is further improved; the fixing plate 4 is an iron plate, the lower ends of the two chair rods 3 penetrate through the fixing plate 4 downwards, the fixing plate 4 and the two chair rods 3 are welded and fixed together, and the chair rods 3 and the fixing plate 4 are tightly connected in a welding mode, so that the strength of the joint is high; as shown in fig. 4 and 6, the portion of the chair rod 3 located below the fixing plate 4 forms the insertion portion 5, and in this embodiment, the length of the insertion portion 5 is 15cm; the transverse pulling plate 6 is also a metal iron plate, the transverse pulling plate 6 is perpendicular to the fixed plate 4, or a certain inclination exists between the transverse pulling plate 6 and the fixed plate 4, and the included angle between the transverse pulling plate 6 and the fixed plate 4 is 75-85 degrees; the two ends of the transverse pulling plate 6 are respectively welded and fixed with the plug-in connection part 5, and the upper end of the transverse pulling plate 6 is also welded and fixed with the fixing plate 4; the transverse pulling plate 6 can greatly improve the structural strength between the two chair rods 3 and between the chair rods 3 and the fixing plate 4.
Then the two connected chair rods 3 and the fixed plate 4 form a whole, and the whole structure is stable, and the two chair rods cannot shake; the chair rod 3 is also provided with an upper sliding seat 8 and a lower sliding seat 8 which are used for installing the chair back A or the chair seat B, the sliding seat 8 comprises a supporting cross rod 8a and sleeves 8B respectively positioned at two sides of the supporting cross rod 8a, and the sleeves 8B are in sliding sleeve connection with the chair rod 3; adopt this connection structure for stable in structure between two chair poles 3, in the use, can not produce between chair pole 3 and the chair pole 3 and rock or skew, along vertical direction, keep parallelism all the time between two chair poles 3 to make slide 8 very steady smooth and easy when sliding along the length direction of chair pole 3, can not block, make back of the chair A and back of the chair B's lift adjustment effect good. In addition, during installation, the two chair rods 3 can be installed on the base 1 together, so that the installation steps are further reduced.
As shown in fig. 4-8, a mounting groove 9 recessed downwards is arranged on the upper surface of the base 1, and the outline of the mounting groove 9 is matched with the outline of the fixed plate 4; the slot 7 is arranged in the mounting groove 9, wherein the slot 7 comprises two positioning grooves 7a which are symmetrically arranged left and right and a transverse groove 7b which is communicated between the two positioning grooves 7a; the depth of the positioning groove 7a is consistent with the length of the inserting part 5, and the transverse groove 7b can just accommodate the transverse pulling plate 6; during assembly, the inserting parts 5 at the lower ends of the two chair rods 3 are simultaneously inserted into the two positioning grooves 7a, the transverse pulling plates 6 are clamped into the transverse grooves 7b together, and the fixing plates 4 are horizontally embedded into the mounting grooves 9; so that the bottom of the chair pole 3 will be tightly combined with the base 1; at this time, the fixed plate 4 is in a horizontal state, the chair rod 3 is inclined backwards from bottom to top, and the fixed plate 4 is horizontally arranged to facilitate connection between the fixed plate 4 and the base 1. A receiving part 10 for supporting the chair rod 3 is formed between the bottom of the positioning groove 7a and the lower surface of the base 1, the bottom surface of the chair rod 3 is in a horizontal state after the chair rod 3 is inserted into the positioning groove 7a, and the lower end of the chair rod 3 is abutted against the receiving part 10; the method specifically comprises the following steps: as shown in fig. 6 and 8, the mounting blocks 11 for connecting screws are welded and fixed to the insides of the lower ends of the two seat posts 3, the lower surfaces of the mounting blocks 11 are flush with the lower surfaces of the seat posts 3, and the seat posts 3 and the base 1 are fixed by fixing the mounting blocks 11 to the receiving portions 10.
The mounting steps of the support assembly 2 and the base 1 are as follows: firstly, inserting the inserting parts 5 at the lower ends of the two chair rods 3 into the two positioning grooves 7a at the same time, wherein the lower ends of the inserting parts 5 are propped against the bearing parts 10; the transverse pulling plate 6 is embedded in the transverse groove 7b, and the fixing plate 4 is embedded in the mounting groove 9; as shown in fig. 8, the bottom of the receiving part 10 is provided with a mounting hole 12; after the plug-in part 5 is plugged and matched with the slot 7, the screw penetrates through the mounting hole 12 from the lower part of the base 1 and is fixedly connected to the mounting block 11, then the chair rod 3 and the base 1 are fixedly screwed by the screw, and the criss-cross reinforcing ribs 20 are arranged on the lower surface of the base 1 along the periphery of the receiving part 10, so that the connection strength between the base 1 and the chair rod 3 can be enhanced. In addition, a screw is also arranged below the base 1 and sequentially penetrates through the base 1 and the fixing plate 4, so that the fixing plate 4 and the base 1 are firmly fixed. Through the connecting structure, the chair rod 3 and the fixing plate 4 are respectively fixed with the base 1 through screws and are doubly fixed, so that the overall connecting strength is higher, and the safety of the chair is effectively improved; and the screws are all penetrated from the lower part of the base 1, so that the appearance can be beautified.
As shown in fig. 1, 3 and 5, after the connection between the seat post 3 and the base 1 is completed, a decorative cover 13 is disposed at the connection between the upper surface of the base 1 and the seat post 3 to cover the mounting slot 9, specifically: the outline of the decorative cover 13 is matched with the outline of the mounting groove 9; the decorative cover 13 is sleeved on the two chair rods 3 from top to bottom; the lower surface of the decorative cover 13 is provided with a connecting column 14 protruding downwards, a connecting hole 15 is correspondingly arranged in the mounting groove 9, the decorative cover 13 is buckled on the mounting groove 9 downwards, the connecting column 14 is matched with the connecting hole 15, and then a screw is arranged below the base 1, penetrates through the connecting hole 15 and is connected in the connecting column 14 to connect and fix the decorative cover 13 with the base 1; after the decorative cover 13 is connected, the edge of the decorative cover 13 is attached to the upper surface of the base 1, the decorative cover 13 can cover the mounting groove 9, and the connecting trace between the chair rod 3 and the base 1 is hidden, so that the whole chair is simpler and more attractive, and the modern aesthetic requirements are met. In addition, a reinforcing sleeve 21 extending upwards along the length direction of the chair rod 3 is arranged at the sleeving part of the decorative cover 13 and the chair rod 3; the reinforcing sleeve 21 is attached to the chair rod 3, so that the connection strength between the chair rod 3 and the base 1 can be further enhanced; further keep the stability between two chair poles 3 for when the seat was used, the interval between chair pole 3 and the chair pole 3 remains unchanged throughout.
Furthermore, as shown in fig. 1, 2 and 9, the supporting component 2 further comprises a connecting piece 16 connected to the upper end of the chair rod 3, the connecting piece 16 is in a U shape, two sides of the connecting piece 16 are respectively provided with a vertically downward insertion pipe 17, and the insertion pipes 17 are respectively inserted into the upper end of the chair rod 3; the insertion pipe 17 is in clamping fit with the chair rod 3, wherein an elastic buckle 18 is arranged on the side surface of the insertion pipe 17, and a bayonet 19 is correspondingly arranged at the upper end of the chair rod 3; the insertion tube 17 is inserted into the chair rod 3 so that the elastic buckle 18 is clamped in the bayonet 19; the connection is convenient and quick; the bottoms of the two chair rods 3 are firmly connected through the fixing plate 4 and the transverse pulling plate 6, and the upper ends of the two chair rods 3 are also connected with a connecting piece 16; the two chair rods 3 are very stable, in the use process, the two chair rods 3 cannot shake or deviate, the distance between the two chair rods is kept unchanged all the time, and the sliding seat 8 can stably and smoothly lift and slide along the chair rods 3.
In summary, in order to improve the supporting strength, the chair back a and the chair seat B are supported by arranging two chair rods 3, the bottoms of the two chair rods 3 are firmly fixed by a fixing plate 4 and a transverse pulling plate 6, and the upper ends of the two chair rods 3 are also connected with a connecting piece 16; the two chair rods 3 are quite stable, the shaking and offset phenomenon does not exist, and the chair back A and the chair seat B can be stably and smoothly lifted and adjusted; the lower end of the chair rod 3 is in plug-in fit with the base 1, the chair rod 3 is fixedly connected with the base by adopting a screw, and the fixing plate 4 is fixedly connected with the base 1 by adopting a screw; so that the support assembly 2 is tightly combined with the base 1 and is firmly connected. The chair adopts a double-chair-rod structure, the chair rod 3 and the chair rod 3 can be kept relatively stable, and the connection between the chair rod 3 and the base 1 is very tight and firm; the supporting strength and the stability of the seat are greatly improved. Furthermore, the transverse pulling plate 6 is arranged below the fixed plate 4 and is hidden in the base 1; and a decorative cover 13 is also arranged to cover the connecting trace; only the two chair rods 3 are exposed, so that the whole chair is more simple and attractive.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (10)
1. A seat, characterized in that: comprises a base, a supporting component, a chair back and a chair seat; the lower end of the supporting component is connected and fixed on the base, the supporting component comprises two longitudinal chair rods which are arranged in a mirror image mode, a sliding seat for installing a chair back or a chair seat is arranged between the two chair rods, and two sides of the sliding seat are arranged on the chair rods in a sliding mode; the bottoms of the two chair rods are connected together through a horizontal fixing plate, the fixing plate is made of rigid materials, and the chair rods are arranged on the fixing plate in a penetrating way; the lower end of the chair rod downwards penetrates out of the fixed plate and forms an inserting part which is connected and matched with the base; a rigid transverse pulling plate is arranged between the two plug-in connection parts, the transverse pulling plate is longitudinally arranged, two ends of the transverse pulling plate are fixedly connected with the plug-in connection parts of the chair rod respectively, and the upper end of the transverse pulling plate is fixedly connected with the fixing plate; an inward concave mounting groove is formed in the upper surface of the base, and the outline of the mounting groove is matched with the size of the fixing plate; the mounting groove is correspondingly provided with a slot, the slot comprises a positioning groove and a transverse groove, the positioning grooves are symmetrically arranged left and right, the transverse groove is communicated between the two positioning grooves, the inserting part is inserted into the positioning groove, and the transverse pulling plate is inserted into the transverse groove.
2. The seat according to claim 1, wherein: the fixing plate is a metal plate; the two chair rods are respectively welded and fixed with the fixed plate; the transverse pulling plate is a metal plate, and the transverse pulling plate is perpendicular to the fixed plate or the included angle between the transverse pulling plate and the fixed plate is 75-85 degrees; the two ends of the transverse pulling plate are welded and fixed with the inserting parts respectively, and the upper end of the transverse pulling plate is welded and fixed with the fixing plate.
3. The seat according to claim 1, wherein: the fixing plate is fixedly connected with the base through screws, and the chair rod is fixedly connected with the base through screws.
4. A seat as claimed in claim 3, wherein: a bearing part for bearing the chair rod is formed between the bottom of the positioning groove and the bottom surface of the base; the lower end of the chair rod is propped against the bearing part, the chair rod is a metal flat tube, the bottom of the chair rod is fixedly welded with a mounting block for connecting a screw, the mounting block is fixedly connected with the bearing part by a screw, and the screw penetrates from the lower direction of the base.
5. The seat according to claim 1, wherein: the length of the plug-in connection part is between 5cm and 20 cm.
6. The seat according to claim 1, wherein: after the chair rod is in plug-in fit with the base, the chair rod is in a backward inclined state from bottom to top; the fixing plate is in a horizontal state.
7. The seat according to claim 1, wherein: the two chair rods are sleeved with a decorative cover, and the decorative cover is fixedly connected to the upper surface of the base so as to cover the mounting groove.
8. The seat according to claim 7, wherein: the junction of decorative cover and chair pole still is equipped with the enhancement sleeve pipe that upwards extends along chair pole length direction, strengthens the sleeve pipe laminating on the chair pole.
9. The seat according to claim 1, wherein: the support assembly also comprises a connecting piece connected to the upper end of the chair rod, wherein the two ends of the connecting piece are respectively provided with a downward insertion pipe, and the insertion pipes are inserted on the chair rod.
10. The seat according to claim 1, wherein: the sliding seat comprises a connecting cross rod and sleeves respectively arranged at the left side and the right side of the connecting cross rod, and the sleeves are sleeved on the chair rod in a sliding manner.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2020209638964 | 2020-05-29 | ||
| CN202020963896 | 2020-05-29 |
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| Publication Number | Publication Date |
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| CN113197454A CN113197454A (en) | 2021-08-03 |
| CN113197454B true CN113197454B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110596058.7A Active CN113197454B (en) | 2020-05-29 | 2021-05-29 | Chair seat |
| CN202121187157.1U Active CN216675295U (en) | 2020-05-29 | 2021-05-29 | Seat supporting device and seat |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121187157.1U Active CN216675295U (en) | 2020-05-29 | 2021-05-29 | Seat supporting device and seat |
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| CN (2) | CN113197454B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113197454A (en) | 2021-08-03 |
| CN216675295U (en) | 2022-06-07 |
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