CN219645356U - Detachable office chair headrest - Google Patents

Abstract

The utility model discloses a detachable office chair headrest, which relates to the technical field of detachable office chair backrests and comprises an office chair main body and an adjusting unit; the left end and the right end of the upper side of the office chair main body are respectively provided with an armrest, the front end of the upper side of the office chair main body is provided with a backrest along the up-down direction, and the middle part of the backrest is provided with a first square groove; the adjusting unit comprises a sliding groove, a sliding plate, a headrest, a second square groove, a long rod, a clamping groove I and a power assembly, wherein the left side and the right side of the inside of the second square groove are respectively provided with the sliding groove along the vertical direction, the sliding plates are connected between the inner sides of the two sliding grooves in a sliding manner along the vertical direction, the rear side of the sliding plate is provided with the detachable headrest, the second square groove is formed in the inside of the sliding plate, the sliding plate is enabled to realize the sliding effect along the vertical direction through the external force through the sliding grooves, the detachable headrest is driven to slide along the vertical direction through the sliding of the sliding plate, and accordingly the adjusting effect on the upper and lower different positions of the detachable headrest is realized according to users with different heights.

Description

Detachable office chair headrest

Technical Field

The utility model relates to the technical field of detachable office chair backrests, in particular to a detachable office chair backrest.

Background

Office chairs refer to various chairs equipped for convenience in daily work and social activities, office partners divide office chairs into a narrow sense and a broad sense, the narrow sense office chairs refer to backrest chairs on which a person sits when doing a desktop work in a sitting posture state, and the broad sense office chairs refer to all chairs used in offices, including office chairs, middle office chairs, guest chairs, staff chairs, conference chairs, guest chairs, training chairs and the like;

the utility model provides a detachable office chair headrest that application publication number was CN212939021U put forward among the prior art, including back of the chair, bow-shaped frame, truckle, seat support and headrest, bow-shaped frame bottom is equipped with multiunit truckle, bow-shaped frame top is equipped with the lifter, the lifter top is equipped with the seat support, the seat support top is equipped with two sets of armrests, two sets of be equipped with the back of the chair between the armrests, the screw upper surface is equipped with the articulated joint, second fixed plate front surface is equipped with the headrest;

although the detachable function of the headrest is well achieved, the detachable headrest cannot be adjusted up and down according to users with different heights, so that unnecessary troubles are caused, and therefore, the detachable office chair headrest is provided.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the detachable office chair headrest, which has the advantages that the sliding plate can slide along the up-down direction through the sliding groove by external force, and the detachable headrest is driven to slide along the up-down direction through the sliding of the sliding plate, so that the adjustment effect on the up-down different positions of the detachable headrest can be realized according to users with different heights, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a detachable office chair headrest comprises an office chair main body and an adjusting unit;

office chair body: the left end and the right end of the upper side are respectively provided with a handrail, the front end of the upper side of the office chair main body is provided with a backrest along the up-down direction, and the middle part of the backrest is provided with a first square groove;

an adjusting unit: the novel sliding plate comprises sliding grooves, sliding plates, a headrest, a second square groove, long grooves, long rods, clamping grooves I and power components, wherein one sliding groove is formed in the left side and the right side of the inside of the second square groove along the vertical direction respectively, the sliding plates are connected between the inner sides of the two sliding grooves in a sliding mode along the vertical direction, the detachable headrest is arranged on the rear side of each sliding plate, the second square groove is formed in the inside of each sliding plate, one long groove is formed in the left side and the right side of the inside of each second square groove respectively, the power components are arranged in the second square groove, the left side and the right side of each power component are connected with the inner sides of the corresponding long grooves in a sliding mode along the left-right direction respectively through one long rod, a row of clamping grooves I are evenly formed in the outer sides of the inside of the two sliding grooves along the vertical direction respectively, and the outer ends of the outer sides of the two long rods are matched and clamped with the inner sides of the corresponding clamping grooves I respectively.

The protection effect to office chair main part left and right sides is realized through the handrail, increase office chair main part's travelling comfort through the back, make the slide pass through the spout and realize gliding effect along upper and lower direction through external force, it slides along upper and lower direction to drive detachable headrest through the slip of slide, thereby realize the regulation effect to detachable headrest upper and lower different positions according to the user of different heights, drive two stock under power component's effect and follow left and right sides direction relative slip in the inside of elongated slot, under the cooperation joint effect between the outside outer end of two stock respectively and the inboard of corresponding draw-in groove one, realize the fixed action to slide at the inboard sliding position of spout through the outside slip of two stock.

Further, the power component comprises a rotary table, connecting rods and a movable shaft, wherein the side faces of the front end and the rear end of the movable shaft are respectively connected with the front side and the rear side of the interior of the second square groove in a rotary mode, the rotary table is fixedly connected to the rear end of the outer side of the movable shaft, the upper side and the lower side of the front end of the rotary table are respectively and movably connected with one connecting rod through a pin shaft, and the outer ends of the two connecting rods are respectively and movably connected with the inner ends of the corresponding long rods.

The movable shaft drives the turntable to move along the circumferential direction, the inner ends of the two connecting rods are driven to move along the circumferential direction by the movement of the turntable, the outer ends of the two connecting rods are driven to slide along the left and right directions under the action of the connecting rods by the movement of the inner ends of the two connecting rods, and the two long rods are driven to slide relatively along the left and right directions in the long groove by the sliding of the outer ends of the two connecting rods.

Further, the power assembly further comprises a handle, the front end of the movable shaft is provided with the handle, and the handle is located on the front side of the sliding plate.

The handle is driven to move along the circumferential direction by external force, and the movable shaft is driven to move along the circumferential direction by the movement of the handle.

Further, the power assembly further comprises round grooves, discs and springs, wherein one round groove is formed in the middle of the inner sides of the two long grooves along the left-right direction respectively, the discs are arranged in two, the two discs are respectively connected with the inner ends of the corresponding round grooves in a sliding mode along the left-right direction respectively through a long rod, and the outer sides of the inner ends of the two discs are fixedly connected with the inner ends of the corresponding round grooves respectively through a spring.

The round groove is used for enabling the disc to realize the sliding effect, and the corresponding disc has an outward force under the action of the spring, so that the outer ends of the outer sides of the two long rods are fixedly clamped with the inner sides of the corresponding clamping grooves.

Further, the novel handrail also comprises a clamping groove II and a rubber protective shell, wherein the clamping groove II is respectively formed in the outer sides of the two handrails, and the rubber protective shell is respectively clamped in the clamping grooves II.

The clamping effect on the rubber protective shell is achieved through the clamping groove II, and the comfort level of the outer upper end of the handrail is increased through the rubber protective shell.

Further, still include draw-in groove three and foam-rubber cushion, draw-in groove three has been seted up to the upside of office chair main part, the inside joint of draw-in groove three has the foam-rubber cushion.

The clamping effect on the foam-rubber cushion is realized under the effect of the clamping groove III, and the softness of the upper side of the office chair main body is increased through the foam-rubber cushion.

Compared with the prior art, the utility model has the beneficial effects that: this dismantlement formula office chair back cushion has following benefit:

1. the detachable office chair headrest is provided with the adjusting unit, the disc is enabled to realize the sliding function under the action of the round groove, and the corresponding disc is enabled to have an outward force under the action of the spring, so that the outer ends of the outer sides of the two long rods are respectively and firmly clamped with the inner sides of the corresponding clamping grooves I;

2. the detachable office chair headrest is provided with the adjusting unit, the two long rods are driven to slide relatively in the left-right direction in the long groove under the action of the power component, and the fixing effect on the sliding position of the sliding plate at the inner side of the sliding groove is realized through the outward sliding of the two long rods;

3. the sliding effect is realized along the upper and lower direction through the spout messenger slide through external force, drives detachable headrest through the slip of slide and slides along the upper and lower direction to according to the user of different heights realization to detachable headrest the regulation effect in different positions from top to bottom.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of the portion A in FIG. 1 according to the present utility model;

FIG. 3 is a schematic view of a partially enlarged structure of the present utility model at B in FIG. 1;

fig. 4 is a schematic rear view of the present utility model.

In the figure: the novel chair comprises a main body of the office chair, 2 armrests, 3 backrests, 4 second square grooves, 5 adjusting units, 51 sliding grooves, 52 sliding plates, 53 backrests, 54 second square grooves, 55 long grooves, 56 long rods, 57 clamping grooves I, 58 turntables, 59 connecting rods, 510 movable shafts, 511 handles, 512 round grooves, 513 discs, 514 springs, 6 clamping grooves II, 7 rubber protective shells, 8 clamping grooves III and 9 sponge cushions.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present embodiment provides a technical solution: a detachable office chair headrest comprises an office chair main body 1 and an adjusting unit 5;

office chair body 1: the left end and the right end of the upper side are respectively provided with an armrest 2, the front end of the upper side of the office chair body 1 is provided with a backrest 3 along the up-down direction, and the middle part of the backrest 3 is provided with a first square groove 4;

an adjusting unit 5: the sliding plate 52 is slidably connected between the inner sides of the two sliding grooves 51 along the up-down direction, the detachable headrest 53 is arranged on the rear side of the sliding plate 52, the second square groove 54 is arranged in the sliding plate 52, the long groove 55 is respectively arranged on the left side and the right side of the inner side of the second square groove 54, the power component is arranged in the second square groove 54, the left side and the right side of the power component are respectively connected with the inner sides of the corresponding long grooves 55 in a sliding manner along the left-right direction, a row of clamping grooves 57 are uniformly formed in the outer sides of the inner sides of the two sliding grooves 51 along the up-down direction, and the outer ends of the outer sides of the two long rods 56 are respectively matched and clamped with the inner sides of the corresponding clamping grooves 57.

The protection effect on the left side and the right side of the office chair main body 1 is achieved through the armrests 2, the comfort of the office chair main body 1 is improved through the backrest 3, the sliding effect of the sliding plate 52 is achieved through the sliding grooves 51 along the vertical direction, the detachable headrest 53 is driven to slide along the vertical direction through the sliding of the sliding plate 52, therefore, the adjustment effect on the upper and lower different positions of the detachable headrest 53 is achieved according to users with different heights, the two long rods 56 are driven to slide relatively in the left and right directions in the long grooves 55 under the action of the power assembly, and the fixing effect on the sliding position of the sliding plate 52 in the inner side of the sliding grooves 51 is achieved through the outward sliding of the two long rods 56 under the action of the matching clamping effect between the outer ends of the outer sides of the two long rods 56 and the inner sides of the corresponding clamping grooves 57.

The power assembly comprises a rotary table 58, a connecting rod 59 and a movable shaft 510, wherein the side surfaces of the front end and the rear end of the movable shaft 510 are respectively and rotatably connected with the front side and the rear side of the interior of the second square groove 54, the rotary table 58 is fixedly connected with the rear end of the outer side of the movable shaft 510, the upper side and the lower side of the front end of the rotary table 58 are respectively and movably connected with the connecting rod 59 through a pin shaft, and the outer ends of the two connecting rods 59 are respectively and movably connected with the inner ends of the corresponding long rods 56.

The movable shaft 510 moves along the circumferential direction to drive the turntable 58, the inner ends of the two connecting rods 59 are driven to move along the circumferential direction by the movement of the turntable 58, the outer ends of the two connecting rods 59 are driven to slide along the left and right directions under the action of the connecting rods 59 by the movement of the inner ends of the two connecting rods 59, and the two long rods 56 are driven to slide relatively along the left and right directions in the long grooves 55 by the sliding of the outer ends of the two connecting rods 59.

The power assembly further comprises a handle 511, the front end of the movable shaft 510 is provided with the handle 511, and the handle 511 is located at the front side of the sliding plate 52.

The handle 511 is driven to move in the circumferential direction by an external force, and the movable shaft 510 is driven to move in the circumferential direction by the movement of the handle 511.

The power assembly further comprises a circular groove 512, a disc 513 and a spring 514, wherein the middle parts of the inner sides of the two long grooves 55 are respectively provided with one circular groove 512 along the left-right direction, the discs 513 are respectively provided with two discs 513, the two discs 513 are respectively connected with the inner sides and the outer ends of the corresponding circular grooves 512 in a sliding manner along the left-right direction through a long rod 56, and the outer sides of the inner ends of the two discs 513 are respectively fixedly connected with the inner ends of the corresponding circular grooves 512 through the spring 514.

The disc 513 is slid under the action of the circular groove 512, and the corresponding disc 513 has an outward force under the action of the spring 514, so that the outer ends of the outer sides of the two long rods 56 are firmly clamped with the inner sides of the corresponding clamping grooves 57 respectively.

Still include draw-in groove two 6 and rubber protection shell 7, a draw-in groove two 6 have been seted up respectively to the outside of two armrests 2, and the inside of two draw-in grooves two 6 has a rubber protection shell 7 of joint respectively.

The clamping effect on the rubber protective shell 7 is achieved through the clamping groove II 6, and the comfort level of the outer upper end of the handrail 2 is increased through the rubber protective shell 7.

Still include draw-in groove III 8 and foam-rubber cushion 9, draw-in groove III 8 has been seted up to the upside of office chair main part 1, and the inside joint of draw-in groove III 8 has foam-rubber cushion 9.

The clamping effect on the foam-rubber cushion 9 is realized under the action of the clamping groove III 8, and the softness of the upper side of the office chair body 1 is increased through the foam-rubber cushion 9.

The utility model provides a detachable office chair headrest, which has the following working principle:

the protection effect on the left side and the right side of the office chair main body 1 is realized through the armrests 2, the comfort of the office chair main body 1 is increased through the backrest 3, the clamping effect on the rubber protection shell 7 is realized through the clamping grooves II 6, the comfort of the upper end of the outer side of the armrests 2 is increased through the rubber protection shell 7, the clamping effect on the foam-rubber cushion 9 is realized under the action of the clamping grooves III 8, the softness of the upper side of the office chair main body 1 is increased through the foam-rubber cushion 9, the sliding plate 52 is enabled to realize the sliding effect in the vertical direction through the sliding groove 51 through the external force, the detachable headrest 53 is driven to slide in the vertical direction through the sliding of the sliding plate 52, thereby realizing the adjusting effect on the upper and lower different positions of the detachable headrest 53 according to users with different heights, the external force drives the handle 511 to move in the circumferential direction, the movable shaft 510 is driven by the movable shaft 510 in the circumferential direction through the movable shaft 510, the movable shaft 58 is driven by the movable shaft 510 in the movable shaft in the circumferential direction, the inner ends of the two connecting rods 59 are driven by the movable shafts 58 in the circumferential direction, the outer ends of the two connecting rods 59 are driven by the movable ends of the movable shafts 59 in the inner ends of the movable shafts 58 in the sliding in the two connecting rods 59 in the outer direction in the sliding grooves 59 in the outer direction, the sliding rods in the outer side of the two connecting rods 59 are correspondingly long grooves 59 are driven by the corresponding to the inner side of the corresponding connecting rods 59 in the inner side of the sliding grooves 59 in the inner side of the corresponding grooves 56, and the sliding rods in the outer side of the sliding rods in the opposite direction is realized, and the sliding rods in the opposite direction is correspondingly long sliding direction between the inner side 56 is realized in the sliding direction 55 is realized, and the sliding can be correspondingly sliding in the sliding in the sliding and long to the sliding and, so that the outer ends of the two long rods 56 are firmly clamped with the inner sides of the corresponding clamping grooves 57 respectively.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. A detachable office chair headrest is characterized in that: comprises an office chair main body (1) and an adjusting unit (5);

office chair body (1): the left end and the right end of the upper side are respectively provided with an armrest (2), the front end of the upper side of the office chair main body (1) is provided with a backrest (3) along the up-down direction, and the middle part of the backrest (3) is provided with a first square groove (4);

an adjusting unit (5): the novel intelligent electric bicycle comprises sliding grooves (51), sliding plates (52), a headrest (53), a second square groove (54), long grooves (55), long rods (56), clamping grooves I (57) and a power component, wherein one sliding groove (51) is respectively formed in the left side and the right side of the inside of the first square groove (4) along the vertical direction, the sliding plates (52) are connected between the inner sides of the two sliding grooves (51) along the vertical direction in a sliding mode, the detachable headrest (53) is arranged on the rear side of each sliding plate (52), the second square groove (54) is formed in the sliding plates (52), one long groove (55) is respectively formed in the left side and the right side of the inside of each second square groove (54), the power component is arranged in the inside of each second square groove (54), the left side and the right side of each power component are respectively connected with the inner sides of the corresponding long grooves (55) along the vertical direction in a sliding mode, one row of clamping grooves I (57) are respectively and evenly formed in the inner sides of the two sliding grooves (51) along the vertical direction, and one clamping groove I (57) are matched with the outer sides of the corresponding clamping grooves (57) respectively.

2. The detachable office chair headrest of claim 1, wherein: the power assembly comprises a rotary table (58), connecting rods (59) and a movable shaft (510), wherein the side surfaces of the front end and the rear end of the movable shaft (510) are respectively connected with the front side and the rear side of the interior of the second square groove (54) in a rotating mode, the rotary table (58) is fixedly connected to the rear end of the outer side of the movable shaft (510), the connecting rods (59) are respectively movably connected to the upper side and the lower side of the front end of the rotary table (58) through pin shafts, and the outer ends of the two connecting rods (59) are respectively movably connected with the inner ends of the corresponding long rods (56).

3. The detachable office chair headrest of claim 2, wherein: the power assembly further comprises a handle (511), the front end of the movable shaft (510) is provided with the handle (511), and the handle (511) is located on the front side of the sliding plate (52).

4. The detachable office chair headrest of claim 1, wherein: the power assembly further comprises round grooves (512), discs (513) and springs (514), wherein one round groove (512) is formed in the middle of the inner side of each of the two long grooves (55) along the left-right direction, the discs (513) are provided with two discs (513), the two discs (513) are respectively connected with the inner ends of the corresponding round grooves (512) through a long rod (56) in a sliding mode along the left-right direction, and the outer sides of the inner ends of the two discs (513) are respectively fixedly connected with the inner ends of the corresponding round grooves (512) through a spring (514).

5. The detachable office chair headrest of claim 1, wherein: still include draw-in groove two (6) and rubber protective housing (7), a draw-in groove two (6) have been seted up respectively in the outside of two armrests (2), and the inside of two draw-in grooves two (6) has a rubber protective housing (7) of joint respectively.

6. The detachable office chair headrest of claim 1, wherein: still include draw-in groove three (8) and foam-rubber cushion (9), draw-in groove three (8) have been seted up to the upside of office chair main part (1), the inside joint of draw-in groove three (8) has foam-rubber cushion (9).