CN110292263A

CN110292263A - A kind of vibrationproof risk-avoiding uses safely school desk

Info

Publication number: CN110292263A
Application number: CN201910598660.7A
Authority: CN
Inventors: 王惟涵
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-04
Filing date: 2019-07-04
Publication date: 2019-10-01

Abstract

The invention discloses a kind of vibrationproof risk-avoidings to use school desk safely, including desk ontology, Chair support and cushion, the bottom end of the desk ontology is fixedly connected with motion guiding device, and it is fixedly connected on the outside of motion guiding device fixing end and Chair support bottom end, this vibrationproof risk-avoiding uses safely school desk, it is used in conjunction with each other between the liftable supporter and cushion being equipped with by Chair support bottom end, when an earthquake occurs, liftable supporter drives cushion to move down along vertical direction, student can without departing from cushion in the case where move straight down, when preventing the distance between desk and desk closer, seat is then pushed backward and is limited in scope, and cause student can not quickly hide the bottom end into desk ontology the phenomenon that, and when cushion is moved to the bottom end of Chair support, student fast moves to the bottom end of desk ontology, it can be realized quickly Hide and carries out the effect of effective vibrationproof risk-avoiding in the bottom end of desk ontology.

Description

A kind of vibrationproof risk-avoiding uses safely school desk

Technical field

The present invention relates to vibrationproof risk-avoidings to use school desk technical field safely, and specially a kind of vibrationproof risk-avoiding uses safely student Table.

Background technique

Currently, existing desk for students is since its own structure is more single, school desk is supported using to it It is reinforced at leg, but earthquake is emergency event, foresees that earthquake only has several seconds from earthquake, and existing Shake Predicting Technique simultaneously it is immature, and student use desk when, usually matched with chair, when an earthquake occurs, student It needs to stand first, by chair to when pushing away, then hiding under desk behind, and when the distance between desk and desk are closer, seat Chair is then pushed backward and is limited in scope, and causes student to hide more difficult under desk, and easily cause fear when earthquake generation, itself Respond and judgement are limited, and can not play a role at all so as to cause shockproof desk, for this purpose, it is proposed that a kind of Vibrationproof risk-avoiding uses safely school desk.

Summary of the invention

The purpose of the present invention is to provide a kind of vibrationproof risk-avoidings to use school desk safely, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the invention provides the following technical scheme: a kind of vibrationproof risk-avoiding uses safely school desk, including table The bottom end of sub- ontology, Chair support and cushion, the desk ontology is fixedly connected with motion guiding device, and motion guiding device It is fixedly connected on the outside of fixing end and Chair support bottom end, lifting support dress is fixedly connected on the inside of the Chair support bottom end It sets, and liftable supporter support end is fixedly connected with cushion, and cushion is located at Chair support close to the side of desk ontology.

Preferably, the motion guiding device includes stiffening plate, actuator, threaded rod, supporting shell and movable sleeving, it is described plus The both ends of strong plate are fixedly connected on the inside of desk ontology respectively, and actuator is fixedly connected in stiffening plate, the actuator Output end is fixedly connected with one end of two threaded rods, and the threaded rod is rotatably connected on far from one end of actuator by bearing It inside supporting shell, is fixedly connected on the inside of the supporting shell and desk ontology, internal screw thread is equipped with inside the movable sleeving, and mobile Set rotation is socketed on the outside of threaded rod, and the movable sleeving is slidably connected with supporting shell top, and two movable sleevings are symmetrically fixed on The outside of Chair support bottom end.

Preferably, the actuator includes driving motor, support shaft, driving gear, toothed belts, the first driven gear With the second driven gear, the driving motor is fixedly connected on the outside of stiffening plate, and driving motor outputs through stiffening plate and branch Support axis is fixedly connected, and the driving motor output end is rotatablely connected by bearing and stiffening plate, there are two the driving gear is set, And two driving gears are successively fixedly attached on the outside of support shaft, two driving gears are by two toothed belts respectively with the One driven gear and the transmission connection of the second driven gear, first driven gear and the second driven gear are fixedly attached to respectively The outside of two threaded rod one end.

Preferably, the movable sleeving is T shape.

Preferably, the liftable supporter includes rotary electric machine, drive shaft, support plate, limit plate, impeller and lifting Part, the rotary electric machine is fixedly connected on the side outside Chair support, and rotary electric machine output end passes through the one of Chair support Side is fixedly connected with drive shaft, and the one end of the drive shaft far from rotary electric machine is rotated by the inside of bearing and Chair support to be connected It connects, the rotary electric machine output end and Chair support are rotatablely connected, and one end of the support plate is fixedly attached to the outer of drive shaft Side, and the bottom end of the support plate other end is located at two limit plate tops, the limit plate is fixedly connected with Chair support, described to push away Moving part is fixedly connected on support plate top, and impeller output end and lifters are rotatablely connected, the lifters connecting pin and seat Pad rotation connection.

Preferably, the impeller includes telescopic cylinder, bottom plate, connector sleeve, connecting rod, posting, movable plate, gear Item, driving gear and locating shaft, the telescopic cylinder are fixedly connected on the supporting plate by bottom plate, and telescopic cylinder output end is logical It crosses connector sleeve to be fixedly connected with the connecting rod, the connecting rod both ends are each passed through two postings and the fixed company of two movable plates It connects, and two movable plates are slidably connected with two postings respectively, the side that the movable plate top and bottom end are located remotely from each other point It is not fixedly connected with gear bar, and two gear bars engage connection with two driving gears respectively, two driving gears symmetrically divide On the outside of posting, the driving gear is fixedly attached on the outside of locating shaft cloth, and locating shaft is rotated by bearing and posting Connection, the lifters input terminal are fixedly connected with four locating shafts respectively.

Preferably, the lifters include that driving strut, location supporting rod and mobile strut, the driving strut are equipped with four A, and one end of four driving struts is fixedly attached to respectively on the outside of locating shaft, there are two the location supporting rod is set, and two fixed The both ends of position strut are fixed respectively to run through two driving struts, there are four the mobile strut is set, and two mobile strut both ends Locating shaft two ends are socketed in by bearing rotation respectively, one end of two remotely located struts of mobile strut passes through pin shaft and cushion Outside rotation connection.

Preferably, the desk outer body is fixedly connected with control button, and control button respectively with driving motor, turn Dynamic motor and telescopic cylinder are electrically connected.

Preferably, contain reinforcing rib inside Chair support.

Compared with prior art, the beneficial effects of the present invention are:

1, in the use of the present invention, cooperating between the liftable supporter and cushion that are equipped with by Chair support bottom end makes With when an earthquake occurs, liftable supporter drives cushion to move down along vertical direction, and student can be without departing from cushion In the case of move straight down, when preventing the distance between desk and desk closer, seat is then pushed backward and is limited in scope, and is led Cause student can not quickly hide the bottom end into desk ontology the phenomenon that, and when cushion is moved to the bottom end of Chair support, student is fast Speed is moved to the bottom end of desk ontology, meanwhile, liftable supporter is rotated relative to one end of Chair support, at this point, table The motion guiding device of sub- ontology bottom end is run, so that Chair support be moved along desk ontology, and then makes chair branch Form the space of seal protection between frame and desk ontology, and then realize to the further protective action of student, at the same student without Chair need to be pulled, be can be realized and quickly hided and carry out the effect of effective vibrationproof risk-avoiding in the bottom end of desk ontology.

2, when an earthquake occurs, student need to only press control button to the present invention, and motion guiding device and lifting can be realized It is quickly run between support device, it is easy to operate, while Chair support support strength is big, and improves desk ontology and chair Vibrationproof risk-avoiding performance between submounts.

Detailed description of the invention

Fig. 1 is overall structure of the present invention；

Fig. 2 is overall structure side view of the present invention；

Fig. 3 is supporting shell structural schematic diagram of the present invention；

Fig. 4 is Chair support structural schematic diagram of the present invention；

Fig. 5 is a-quadrant enlarged drawing in Fig. 2；

Fig. 6 is B area enlarged drawing in Fig. 3；

Fig. 7 is C regional enlarged drawing in Fig. 3；

Fig. 8 is D regional enlarged drawing in Fig. 4.

In figure: 1- desk ontology；2- Chair support；3- cushion；4- motion guiding device；5- liftable supporter；6- adds Strong plate；7- actuator；8- threaded rod；9- supporting shell；10- movable sleeving；11- driving motor；12- support shaft；13- driving gear； 14- toothed belts；The first driven gear of 15-；The second driven gear of 16-；17- rotary electric machine；18- drive shaft；19- support Plate；20- limit plate；21- impeller；22- lifters；23- telescopic cylinder；24- bottom plate；25- connector sleeve；26- connecting rod；27- Posting；28- movable plate；29- gear bar；30- drives gear；31- locating shaft；32- drives strut；33- location supporting rod；34- Mobile strut；35- control button.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Please refer to Fig. 1-8, the present invention provides a kind of technical solution: a kind of vibrationproof risk-avoiding uses safely school desk, including desk Ontology 1, Chair support 2 and cushion 3, the bottom end of the desk ontology 1 are fixedly connected with motion guiding device 4, and mobile guide It is fixedly connected on the outside of 4 fixing end of device and 2 bottom end of Chair support, is fixedly connected with liter on the inside of 2 bottom end of Chair support Descending branch support arrangement 5, and 5 support end of liftable supporter is fixedly connected with cushion 3, and cushion 3 is located at Chair support 2 close to desk The side of ontology 1.

The motion guiding device 4 includes stiffening plate 6, actuator 7, threaded rod 8, supporting shell 9 and movable sleeving 10, described to add The both ends of strong plate 6 are fixedly connected with the inside of desk ontology 1 respectively, and actuator 7 is fixedly connected in stiffening plate 6, the drive 7 output end of moving part is fixedly connected with one end of two threaded rods 8, and the described one end of threaded rod 8 far from actuator 7 is turned by bearing Dynamic to be connected to inside supporting shell 9, the supporting shell 9 is fixedly connected with the inside of desk ontology 1, is equipped with inside the movable sleeving 10 Internal screw thread, and the rotation of movable sleeving 10 is socketed in 8 outside of threaded rod, the movable sleeving 10 is slidably connected with 9 top of supporting shell, and two A movable sleeving 10 is symmetrically fixed on the outside of 2 bottom end of Chair support, by the motion guiding device 4 being equipped with, to realize to table The effect being oppositely oriented moved between sub- ontology 1 and chair body.

The actuator 7 includes driving motor 11, support shaft 12, driving gear 13, toothed belts 14, the first driven tooth Wheel 15 and the second driven gear 16, the driving motor 11 is fixedly connected on 6 outside of stiffening plate, and driving motor 11 is output through Stiffening plate 6 is fixedly connected with support shaft 12, and 11 output end of driving motor is rotatablely connected by bearing and stiffening plate 6, described There are two driving gear 13 is set, and two driving gears 13 are successively fixedly attached to 12 outside of support shaft, two driving gears 13 It is sequentially connected respectively with the first driven gear 15 and the second driven gear 16 by two toothed belts 14, described first is driven Gear 15 and the second driven gear 16 are fixedly attached to the outside of two 8 one end of threaded rod respectively, by the actuator 7 being equipped with, To realize the driving effect to movable sleeving 10.

The movable sleeving 10 is T shape, so that movable sleeving 10 be made to be stably connected in supporting shell 9.

The liftable supporter 5 includes rotary electric machine 17, drive shaft 18, support plate 19, limit plate 20,21 and of impeller Lifters 22, the rotary electric machine 17 is fixedly connected on the side outside Chair support 2, and 17 output end of rotary electric machine passes through chair The side of submounts 2 is fixedly connected with drive shaft 18, and the drive shaft 18 passes through bearing and chair far from one end of rotary electric machine 17 The inside of submounts 2 is rotatablely connected, and 17 output end of rotary electric machine and Chair support 2 are rotatablely connected, the support plate 19 One end is fixedly attached to the outside of drive shaft 18, and the bottom end of 19 other end of support plate is located at two 20 tops of limit plate, described Limit plate 20 is fixedly connected with Chair support 2, and the impeller 21 is fixedly connected on 19 top of support plate, and impeller 21 exports End is rotatablely connected with lifters 22, and 22 connecting pin of lifters and cushion 3 are rotatablely connected, and passes through the liftable supporter being equipped with 5, to realize the effect being supported to cushion 3.

The impeller 21 includes telescopic cylinder 23, bottom plate 24, connector sleeve 25, connecting rod 26, posting 27, movable plate 28, gear bar 29, driving gear 30 and locating shaft 31, the telescopic cylinder 23 are fixedly connected on support plate 19 by bottom plate 24 On, and 23 output end of telescopic cylinder is fixedly connected by connector sleeve 25 with connecting rod 26,26 both ends of connecting rod are each passed through Two postings 27 are fixedly connected with two movable plates 28, and two movable plates 28 are slidably connected with two postings 27 respectively, The side that 28 top of movable plate and bottom end are located remotely from each other has been respectively fixedly connected with gear bar 29, and two gear bars 29 are distinguished Connection is engaged with two driving gears 30, two driving gears 30 are symmetrically distributed in 27 outside of posting, the driving gear 30 It is fixedly attached to 31 outside of locating shaft, and locating shaft 31 is rotatablely connected by bearing and posting 27, the lifters 22 input End is fixedly connected with four locating shafts 31 respectively, by the impeller 21 being equipped with, to realize the driving effect of lifters 22.

The lifters 22 include that driving strut 32, location supporting rod 33 and mobile strut 34, the driving strut 32 are equipped with Four, and one end of four driving struts 32 is fixedly attached to the outside of locating shaft 31 respectively, there are two the location supporting rod 33 is set, And the both ends of two location supporting rods 33 are fixed respectively runs through two driving struts 32, there are four the mobile strut 34 is set, and two A 34 both ends of mobile strut are socketed in 31 both ends of locating shaft, two remotely located struts of mobile strut 34 by bearing rotation respectively 33 one end on the outside of pin shaft and cushion 3 by being rotatablely connected.

Be fixedly connected with control button 35 on the outside of the desk ontology 1, and control button 35 respectively with driving motor 11, turn Dynamic motor 17 and telescopic cylinder 23 are electrically connected, and carry out single quickly behaviour by the control button 35 being equipped with, and then convenient for student The effect of work.

Contain reinforcing rib inside Chair support 2, by the reinforcing rib being equipped with, to effectively improve Chair support 2 itself Intensity.

Specific embodiment: when an earthquake occurs, telescopic cylinder 23 does retraction movement, connects to be driven by connector sleeve 25 Extension bar 26 is moved along posting 27, and since the both ends of connecting rod 26 are fixedly connected with two movable plates 28 respectively, from And move movable plate 28, and mobile in two gears that while being horizontally moved, top and bottom end are fixed Item 29 with two 30 engaged transmissions of driving gear, so that two driving gears 30 be made to be rotated, and drives 30 turns of gear respectively Locating shaft 31 is driven to be rotated relative to posting 27 while dynamic, while the rotation of locating shaft 31 drives driving strut 32 to carry out Rotation, and between two driving struts 32 under the connection position-limiting action of location supporting rod 33, and then make driving strut 32 two-by-two it Between drive two location supporting rods 33 to be moved straight down on perpendicular respectively, and mobile strut 34 is between any two two A location supporting rod 33 is rotated relative to cushion 3, while cushion 3 being driven to be moved straight down, when cushion 3 is moved to chair When 2 bottom end of submounts, student can quickly hide into the bottom end of desk ontology 1, at this point, rotary electric machine 17 is run, and then make to support Plate 19 is that axle center is rotated with drive shaft 18, out of service when rotary electric machine 17 rotates 90 °, to make in support plate 19 The backrest of cushion 3 and Chair support 2 forms same perpendicular.

After the backrest of cushion 3 and Chair support 2 forms same perpendicular, driving motor 11 is run, to make to support Axis 12 drives two driving gears 13 to be rotated respectively, to make two driving gears 13 respectively by two toothed belts 14 the first driven gears 15 of drive and the second driven gear 16 are rotated, and due to the first driven gear 15 and the second driven tooth Wheel 16 is fixedly attached to two threaded rods, 8 outside respectively, and then rotates two threaded rods 8 inside supporting shell 9, and by It is rotated respectively in two movable sleevings 10 and is socketed in two threaded rods, 8 outside, and then the rotation of threaded rod 8 provides movable sleeving 10 and drives Power, while two movable sleevings 10 are in the position-limiting action of two supporting shells 9, and then two movable sleevings 10 drive Chair support 2 simultaneously Along the effect that the direction of desk ontology 1 is horizontally moved, thus when cushion 3 and Chair support 2 backrest and desk ontology 1 Between formed opposing seal space, thus realize to the further protective action of student.

In the present solution, the preferred Y80M1-2 model of driving motor 11, the preferred Y80M2-2 model of rotary electric machine 17, telescopic cylinder 23 preferred MA20 models, circuit operate to existing custom circuit, and circuit involved in the present invention and control are the prior art, Herein without excessively repeating.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims

1. a kind of vibrationproof risk-avoiding uses safely school desk, including desk ontology (1), Chair support (2) and cushion (3), feature exists In: the bottom end of the desk ontology (1) is fixedly connected with motion guiding device (4), and motion guiding device (4) fixing end and chair It is fixedly connected on the outside of submounts (2) bottom end, is fixedly connected with liftable supporter on the inside of Chair support (2) bottom end (5), and liftable supporter (5) support end is fixedly connected with cushion (3), and cushion (3) is located at Chair support (2) close to desk The side of ontology (1).

2. a kind of vibrationproof risk-avoiding according to claim 1 uses safely school desk, it is characterised in that: the motion guiding device It (4) include stiffening plate (6), actuator (7), threaded rod (8), supporting shell (9) and movable sleeving (10), the two of the stiffening plate (6) End is fixedly connected on the inside of desk ontology (1) respectively, and actuator (7) is fixedly connected on stiffening plate (6), the actuator (7) output end is fixedly connected with one end of two threaded rods (8), and the threaded rod (8) passes through axis far from the one end of actuator (7) It holds and is rotatably connected on supporting shell (9) inside, be fixedly connected on the inside of the supporting shell (9) and desk ontology (1), the movable sleeving (10) internal to be equipped with internal screw thread, and movable sleeving (10) rotation is socketed on the outside of threaded rod (8), the movable sleeving (10) and supporting shell (9) top is slidably connected, and two movable sleevings (10) are symmetrically fixed on the outside of Chair support (2) bottom end.

3. a kind of vibrationproof risk-avoiding according to claim 2 uses safely school desk, it is characterised in that: actuator (7) packet Include driving motor (11), support shaft (12), driving gear (13), toothed belts (14), the first driven gear (15) and second Driven gear (16), the driving motor (11) are fixedly connected on the outside of stiffening plate (6), and driving motor (11) outputs through and adds Strong plate (6) is fixedly connected with support shaft (12), and driving motor (11) output end is connected by bearing and stiffening plate (6) rotation It connecing, there are two the driving gear (13) sets, and two driving gears (13) are successively fixedly attached on the outside of support shaft (12), and two A driving gear (13) by two toothed belts (14) respectively with the first driven gear (15) and the second driven gear (16) Transmission connection, first driven gear (15) and the second driven gear (16) are fixedly attached to two threaded rods (8) one respectively The outside at end.

4. a kind of vibrationproof risk-avoiding according to claim 2 uses safely school desk, it is characterised in that: the movable sleeving (10) is T shape.

5. a kind of vibrationproof risk-avoiding according to claim 1 uses safely school desk, it is characterised in that: the liftable supporter It (5) include rotary electric machine (17), drive shaft (18), support plate (19), limit plate (20), impeller (21) and lifters (22), The rotary electric machine (17) is fixedly connected on the external side of Chair support (2), and rotary electric machine (17) output end passes through chair The side of bracket (2) is fixedly connected with drive shaft (18), and the drive shaft (18) passes through axis far from the one end of rotary electric machine (17) It holds and is rotatablely connected with the inside of Chair support (2), rotary electric machine (17) output end and Chair support (2) are rotatablely connected, institute The one end for stating support plate (19) is fixedly attached to the outside of drive shaft (18), and the bottom end of support plate (19) other end is located at two Limit plate (20) top, the limit plate (20) are fixedly connected with Chair support (2), and the impeller (21) is fixedly connected on branch Fagging (19) top, and impeller (21) output end and lifters (22) are rotatablely connected, lifters (22) connecting pin and seat Pad (3) rotation connection.

6. a kind of vibrationproof risk-avoiding according to claim 5 uses safely school desk, it is characterised in that: impeller (21) packet Include telescopic cylinder (23), bottom plate (24), connector sleeve (25), connecting rod (26), posting (27), movable plate (28), gear bar (29), gear (30) and locating shaft (31) are driven, the telescopic cylinder (23) is fixedly connected on support plate by bottom plate (24) (19) on, and telescopic cylinder (23) output end is fixedly connected by connector sleeve (25) with connecting rod (26), the connecting rod (26) Both ends are each passed through two postings (27) and are fixedly connected with two movable plates (28), and two movable plates (28) respectively with two Posting (27) is slidably connected, and the side that movable plate (28) top and bottom end are located remotely from each other has been respectively fixedly connected with gear bar (29), and two gear bars (29) engage connection with two driving gears (30) respectively, and two driving gears (30) are symmetrical On the outside of posting (27), the driving gear (30) is fixedly attached on the outside of locating shaft (31), and locating shaft (31) passes through axis It holds and is rotatablely connected with posting (27), lifters (22) input terminal is fixedly connected with four locating shafts (31) respectively.

7. a kind of vibrationproof risk-avoiding according to claim 5 uses safely school desk, it is characterised in that: lifters (22) packet Driving strut (32), location supporting rod (33) and mobile strut (34) are included, there are four the driving strut (32) sets, and four drive One end of strut (32) is fixedly attached to respectively on the outside of locating shaft (31), and there are two the location supporting rod (33) sets, and two fixed The both ends of position strut (33) are fixed respectively to run through two driving struts (32), there are four the mobile strut (34) sets, and two Mobile strut (34) both ends are socketed in locating shaft (31) both ends by bearing rotation respectively, and two mobile struts (34) are remotely located One end of strut (33) on the outside of pin shaft and cushion (3) by being rotatablely connected.

8. a kind of vibrationproof risk-avoiding according to claim 1 uses safely school desk, it is characterised in that: the desk ontology (1) Outside is fixedly connected with control button (35), and control button (35) respectively with driving motor (11), rotary electric machine (17) and stretch Contracting cylinder (23) is electrically connected.

9. a kind of vibrationproof risk-avoiding according to claim 1 uses safely school desk, it is characterised in that: Chair support (2) is internal Contain reinforcing rib.