CN214414550U

CN214414550U - Butterfly children's back of chair with adjustable height

Info

Publication number: CN214414550U
Application number: CN202023246480.XU
Authority: CN
Inventors: 唐金华; 赵朋涛; 王正云
Original assignee: Anji Shanye Home Co ltd
Current assignee: Anji Shanye Home Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-19
Anticipated expiration: 2030-12-29

Abstract

The utility model provides a butterfly-shaped children chair back with adjustable height, which comprises a vertical column, a chair back cushion, a connecting frame and an adjusting device, wherein the middle of the vertical column is provided with a sliding groove, two sides of the sliding groove are provided with limit convex teeth, the adjusting device comprises a sliding block which is arranged in the sliding groove, one side of the sliding block, which is far away from the connecting frame, is provided with a rebound cavity, a rebound block is arranged in the rebound cavity, the rebound block is connected with the inner side wall, which is close to the connecting frame, of the rebound cavity through an elastic part, and a clamping sheet is fixedly connected with the side surface of the rebound block. And can protect the spine of the child in the growth and development stage.

Description

Butterfly children's back of chair with adjustable height

Technical Field

The utility model relates to the technical field of furniture, especially, relate to a butterfly children's back of the chair with adjustable height.

Background

The children seat is a small seat specially designed for children, and because children are still in the growth and development period of the body, the chair back of the children seat is adjusted along with the growth of the children, the height of the chair back of the existing children seat can not be adjusted mostly, and even if the children seat with the adjustable height is provided, the adjusting mode is very inconvenient, in addition, the spine of the children is in the growth and development period, the spine is softer, and therefore the chair back of the children seat is not suitable for adopting a flat-plate type hard backrest.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a butterfly children's back of the chair with adjustable height, it has solved among the prior art children's seat back of the chair altitude mixture control inconvenient and the harder technical problem of the back of the chair.

The utility model solves the technical problems by the following technical proposal, a butterfly-shaped children chair back with adjustable height, which comprises a vertical column, a chair back cushion, a connecting frame for connecting the vertical column and the chair back cushion, and an adjusting device for fixing the connecting frame on the vertical column, wherein the middle of the vertical column is provided with a sliding groove which is vertical and runs through the whole vertical column, two sides of the sliding groove are provided with limiting convex teeth, two sides of the vertical column are provided with limiting sliding grooves, the adjusting device comprises a sliding block which is arranged in the sliding groove, one end of the sliding block is fixedly connected with a fixed seat, the fixed seat is fixedly connected with the connecting frame, one side of the sliding block, which is far away from the connecting frame, is fixedly connected with a limiting bracket, the limiting bracket surrounds the outer side surface of the vertical column, the position of the limiting bracket, which is close to the side surface of the vertical column, is fixedly connected with a limiting sliding block, the limiting sliding block is embedded in the limiting sliding groove, one side of the sliding block, which is far away from the connecting frame, is provided with a rebound cavity, be equipped with the resilience piece in the chamber of kick-backing, the resilience piece is connected through the elastic component with the inside wall that the intracavity side of kick-backing is close to the link between, at the side fixed connection chucking piece of resilience piece, the chucking piece sets up in the one end that the link was kept away from to the resilience piece, and it has the resilience groove to open on the lateral wall of sliding block, and the chucking piece stretches out and blocks in the recess between spacing dogtooth from the resilience groove.

By adopting the technical proposal, the upright post is vertically connected with the chair seat of the children chair, the connecting frame can be locked in the sliding groove through the adjusting device, can also slide up and down in the sliding groove to adjust the height of the connecting frame, the chair back cushion can also adjust the height, when the height of the connecting frame needs to be adjusted, the rebounding block is pulled outwards only, the rebounding block drives the clamping sheet to move outwards in the rebounding groove, after the clamping sheet is separated from the groove between the limiting convex teeth, the sliding block can move up and down, after the adjustment is finished, the rebounding block only needs to be loosened, the rebounding block can retract into the rebounding cavity under the elastic pulling of the elastic piece, at the moment, the clamping sheet is clamped in the groove between the limiting convex teeth again so as to fix the position of the sliding block, the sliding block can reciprocate in the sliding tray among this technical scheme, conveniently adjusts children's seat's the back of the chair, and back cushion of the chair can play the effect of protection children's backbone in addition.

Preferably, the side of the upright column far away from the connecting frame is provided with a height scale which is arranged on the side of the sliding groove.

Through adopting above-mentioned technical scheme, height scale can make the user audio-visually see specific height when adjusting to provide visual height selection for the user.

Preferably, the length of the clamping piece is less than half of the length of the sliding block.

Through adopting above-mentioned technical scheme, the chucking piece can be deviate from the recess between the spacing dogtooth under the whole condition of taking out of chamber from kick-backing not needing, can guarantee the support intensity of chucking piece to adjusting device moreover.

Preferably, the connecting frame includes connecting portion and the symmetry of being connected with the fixing base and is fixed in the support bifurcation of connecting portion both sides, and it has the recess one that supplies the fixing base to stretch into to open in the connecting portion, and connecting portion open at the offside position of recess one has recess two, and recess one link up by the screw hole with recess two, is equipped with fixing bolt in the screw hole, and fixing bolt's nut part is arranged in recess two, is equipped with the sealed cowling in the recess two.

Through adopting above-mentioned technical scheme, recess one and fixing base cooperation have increased the joint strength between adjusting device and the link, and fixing bolt is convenient during the installation from recess two screw in, and the sealed cowling covers fixing bolt, can improve the holistic pleasing to the eye degree of device.

Preferably, the sealing cover is a shell with a hollow inner part, and a plurality of guide strips are arranged on the side surface.

Through adopting above-mentioned technical scheme, the gib block can make the sealed cowling more convenient imbed in recess two, and guarantees that the sealed cowling can not drop from recess two.

Preferably, be equipped with elastic buffer block between the forked end of support and the back of the chair cushion, the buffer block is for having elastic cube, opens the ring channel that supplies buffer block bending deformation in the side of buffer block.

Through adopting above-mentioned technical scheme, buffer block itself has certain elasticity, can reduce the impact force of people when leaning on the back cushion of the chair, can improve the comfort level of seat, also can play the effect of protection link, and the ring channel enables buffer block bending deformation to back cushion can be towards left right direction or top-to-bottom direction production rotation when leaning on the back cushion of the chair to make children's back, supports and protects children's back better.

Preferably, the connecting frame is hollow, and a plurality of reinforcing ribs are arranged in the connecting frame.

Through adopting above-mentioned technical scheme, guarantee its intensity when lightening link weight, played material saving's effect.

Preferably, an adjusting handle is arranged at one end of the rebound block, which is far away from the connecting frame.

Through adopting above-mentioned technical scheme, the person of being convenient for more draws back the bullet piece when height-adjusting.

Preferably, the backrest cushion comprises a backrest plate fixedly connected with the connecting frame and a flexible cushion adhered to the backrest plate through magic tape.

Through adopting above-mentioned technical scheme, the flexible pad can be taken off from the back board conveniently and wash and change.

Compared with the prior art, the utility model discloses following beneficial effect has: the butterfly-shaped child chair back capable of adjusting the height of the chair back is provided, the connecting frame can be locked in the sliding groove through the adjusting device, the connecting frame can also slide up and down in the sliding groove to adjust the height of the connecting frame, the chair back cushion can adjust the height accordingly, and a seated child can adjust according to self requirements, so that the seated child can obtain the most comfortable sitting posture, and the effect of protecting the spine of the child in the growth and development period can be achieved.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic diagram of a back structure according to an embodiment of the present invention.

Fig. 3 is a schematic front structural view of the stand column according to the embodiment of the present invention.

Fig. 4 is a schematic view of a back structure of the stand column according to the embodiment of the present invention.

Fig. 5 is a schematic front structural view of the connection frame according to the embodiment of the present invention.

Fig. 6 is a schematic view of a back structure of the connection frame according to the embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a tape sealing cover of the connection frame according to an embodiment of the present invention.

Fig. 8 is a schematic bottom structure view of the connection frame according to the embodiment of the present invention.

Fig. 9 is a schematic structural diagram of the sealing cover according to the embodiment of the present invention.

Fig. 10 is a schematic structural diagram of an adjusting device according to an embodiment of the present invention.

Fig. 11 is a schematic view of an internal structure of an adjusting device according to an embodiment of the present invention.

Fig. 12 is a schematic front structural view of an adjusting device according to an embodiment of the present invention.

Fig. 13 is a schematic structural diagram of the buffer block according to the embodiment of the present invention.

Fig. 14 is a schematic view of a connection structure between the upright post and the connection frame according to an embodiment of the present invention.

Fig. 15 is a schematic side view of a backrest of a chair according to an embodiment of the present invention.

In the above drawings: 1. a column; 2. a chair back cushion; 3. a connecting frame; 4. an adjustment device; 11. a sliding groove; 12. limiting convex teeth; 13. a limiting chute; 41. a slider; 411. a fixed seat; 42. a limiting bracket; 43. a limiting slide block; 44. a rebound cavity; 45. a rebound block; 46. an elastic member; 47. a clamping sheet; 48. a rebound groove; 14. a height scale; 31. a connecting portion; 32. the stent is bifurcated; 311. a first groove; 314. a second groove; 315. a sealing cover; 316. a guide strip; 5. a buffer block; 51. an annular groove; 7. reinforcing ribs; 49. adjusting the handle; 21. a back board; 22. a flexible mat.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1, fig. 2, fig. 3, fig. 10, fig. 11, fig. 12 and fig. 14, a butterfly-shaped child chair back with adjustable height comprises an upright post 1, a chair back cushion 2, a connecting frame 3 connecting the upright post 1 and the chair back cushion 2, and an adjusting device 4 for fixing the connecting frame 3 on the upright post 1, wherein a sliding groove 11 which is vertical and penetrates through the whole upright post 1 is formed in the middle of the upright post 1, limiting convex teeth 12 are arranged on two sides of the sliding groove 11, limiting sliding grooves 13 are formed on two sides of the upright post 1, the adjusting device 4 comprises a sliding block 41, the sliding block 41 is arranged in the sliding groove 11, one end of the sliding block 41 is fixedly connected with a fixed seat 411, the fixed seat 411 is fixedly connected with the connecting frame 3, one side of the sliding block 41, which is far away from the connecting frame 3, the limiting bracket 42 surrounds the outer side surface of the upright post 1, and the position of the limiting bracket 42, which is close to the side surface of the upright post 1, is fixedly connected with a limiting sliding block 43, the limit slide block 43 is embedded in the limit slide groove 13, a rebound cavity 44 is arranged on one side of the slide block 41 far away from the connecting frame 3, a rebound block 45 is arranged in the rebound cavity 44, the rebound block 45 is connected with the inner side wall of the rebound cavity 44 close to the connecting frame 3 through an elastic piece 46, the elastic piece 46 is a spring, a clamping piece 47 is fixedly connected with the side surface of the rebound block 45, the clamping piece 47 is arranged at one end of the rebound block 45 far away from the connecting frame 3, a rebound groove 48 is arranged on the side wall of the slide block 41, the clamping piece 47 extends out of the rebound groove 48 and is clamped in a groove between the limit convex teeth 12, the upright post 1 is vertically connected with the seat of the child chair, the connecting frame can be locked in the slide groove through an adjusting device and can also slide up and down in the slide groove to adjust the height of the connecting frame, the height of the chair back cushion is also adjusted accordingly, when the height of the connecting frame needs to be adjusted, only the rebound block 45 needs to be pulled outwards, rebound block 45 drives chucking piece 47 and outwards removes in resilience groove 48, deviate from the back when chucking piece 47 from the recess between the spacing dogtooth 12, can reciprocate sliding block 41, after the adjustment, only need loosen rebound block 45, rebound block 45 can retract in resilience chamber 44 under the elasticity pulling of elastic component 46, chucking piece 47 blocks again in the recess between the spacing dogtooth 12 this moment, thereby fix sliding block 41's position, sliding block 41 can reciprocate in sliding tray 11 among this technical scheme, conveniently adjust children's seat back, back of the chair cushion 2 can play the effect of protection children's backbone in addition.

As shown in fig. 4, a height scale 14 is arranged on the side of the upright post 1 away from the connecting frame 3, the height scale 14 is arranged on the side of the sliding groove 11, and the height scale 14 enables a user to visually see the specific height during adjustment, so that visual height selection is provided for the user.

According to the utility model discloses a further embodiment, chucking piece 47's length is less than the half of sliding block 41 length, and chucking piece 47 can be deviate from the recess between spacing dogtooth 12 under the condition of need not wholly taking rebound block 45 out from resilience chamber 44, can guarantee chucking piece 47 moreover to adjusting device 4's support strength.

As shown in fig. 5, 6, and 7, the connection frame 3 includes a connection portion 31 connected to the fixing base 411 and bracket forks 32 symmetrically fixed to two sides of the connection portion 31, a first groove 311 for the fixing base 411 to extend into is formed in the connection portion 31, a second groove 314 is formed in the connection portion 31 at a position opposite to the first groove 311, the first groove 311 and the second groove 314 are penetrated by a threaded hole, a fixing bolt is disposed in the threaded hole, a nut portion of the fixing bolt is disposed in the second groove 314, a sealing cover 315 is disposed in the second groove 314, the first groove 311 is matched with the fixing base 411, so that connection strength between the adjustment device 4 and the connection frame 3 is increased, the fixing bolt is screwed into the second groove 314, installation is convenient, the sealing cover 315 covers the fixing bolt, and overall appearance of the device can be improved.

As shown in fig. 9, the sealing cap is a hollow shell, eight guide strips 316 are arranged on the side surface, and the sealing cap 315 can be more conveniently embedded into the second groove 314 by the guide strips 316, and the sealing cap 315 is ensured not to fall from the second groove 314.

As shown in fig. 13, be equipped with elastic buffer block 5 between the end of support fork 32 and back of the chair cushion 2, buffer block 5 is for having elastic cube, open the ring channel 51 that supplies buffer block 5 bending deformation in the side of buffer block 5, buffer block 5 itself has certain elasticity, impact force when can reducing the people on leaning on back of the chair cushion 2, can improve the comfort level of seat, also can play the effect of protection link, ring channel 51 enables buffer block 5 bending deformation, thereby make back of the chair cushion 2 of children can be towards left right direction or top-bottom direction production rotation when leaning on back of the chair cushion 2, support and protect children's back better.

As shown in fig. 8, the connecting frame 3 is hollow, and eight reinforcing ribs 7 are arranged in the connecting frame 3, so that the weight of the connecting frame 3 is reduced, the strength of the connecting frame is ensured, and the material is saved.

Referring to fig. 10 and 11, an adjusting handle 49 is provided at an end of the resilient block 45 away from the connecting frame 3, so that the user can pull the resilient block 45 when adjusting the height.

As shown in fig. 15, the back cushion 2 includes a back plate 21 fixedly connected to the connecting frame 3 and a flexible pad 22 adhered to the back plate 21 by velcro, and the flexible pad 22 can be easily removed from the back plate 21 for cleaning and replacement.

The utility model provides a can adjust the butterfly children back of the chair of back height, link accessible adjusting device lockable in the sliding tray, also can slide from top to bottom in the sliding tray with the height of adjusting the link, back of the chair cushion height of adjusting also thereupon, take children and can adjust according to self demand to make and take children and obtain the most comfortable position of sitting, and can play the effect that the protection is in the children's spine of growth and development phase.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a butterfly children back of chair with adjustable height, includes stand (1), back of the chair cushion (2), connects link (3) of stand (1) and back of the chair cushion (2), is used for fixing link (3) adjusting device (4) on stand (1), its characterized in that, open the centre of stand (1) has vertically and runs through whole sliding tray (11) of stand (1), the both sides of sliding tray (11) are equipped with spacing dogtooth (12), open the both sides of stand (1) has spacing spout (13), adjusting device (4) include sliding block (41), sliding block (41) set up in sliding tray (11), the one end fixed connection fixing base (411) of sliding block (41), fixing base (411) with link (3) fixed connection, one side fixed connection spacing support (42) of link (3) are kept away from to sliding block (41), spacing support (42) centers on the lateral surface of stand (1) just spacing support (42) is close to the position fixed connection spacing slider (43) of stand (1) side, spacing slider (43) inlay in spacing spout (13) sliding block (41) keep away from one side of link (3) is opened there is bounce chamber (44) bounce piece (45) are equipped with in bounce chamber (44), bounce piece (45) with bounce chamber (44) inboard is close to be connected through elastic component (46) between the inside wall of link (3) bounce piece (45) side fixed connection chucking piece (47), chucking piece (47) set up in bounce piece (45) keep away from the one end of link (3), open on the lateral wall of sliding block (41) has bounce back groove (48), chucking piece (47) are followed stretch out in bounce back groove (48) and block the concave groove between spacing dogtooth (12) In the groove.

2. A height adjustable butterfly child seat back as claimed in claim 1, wherein: the side face, far away from the connecting frame (3), of the upright post (1) is provided with a height scale (14), and the height scale (14) is arranged on the side face of the sliding groove (11).

3. A height adjustable butterfly child seat back as claimed in claim 2, wherein: the length of the clamping piece (47) is less than half of the length of the sliding block (41).

4. A height adjustable butterfly child seat back as claimed in claim 3, wherein: connecting frame (3) include with connecting portion (31) and the symmetry that fixing base (411) are connected are fixed in support bifurcation (32) of connecting portion (31) both sides, it supplies to open in connecting portion (31) recess (311) that fixing base (411) stretched into, connecting portion (31) are in the contralateral position of recess (311) is opened flutedly two (314), recess (311) and recess two (314) are link up by the screw hole, are equipped with fixing bolt in the screw hole, and fixing bolt's nut part is located in recess two (314), be equipped with sealed cowling (315) in recess two (314).

5. A height adjustable butterfly child seat back as claimed in claim 4, wherein: the sealing cover (315) is a hollow shell, and a plurality of guide strips (316) are arranged on the side surface.

6. A height adjustable butterfly child seat back as claimed in claim 4, wherein: the end of support bifurcation (32) with be equipped with elastic buffer block (5) between back of the chair cushion (2), buffer block (5) are for having elastic cube the side of buffer block (5) is opened has the confession buffer block (5) bending deformation's ring channel (51).

7. A height adjustable butterfly child seat back as claimed in claim 1, wherein: the connecting frame (3) is hollow, and a plurality of reinforcing ribs (7) are arranged in the connecting frame.

8. A height adjustable butterfly child seat back as claimed in claim 1, wherein: an adjusting handle (49) is arranged at one end of the rebound block (45) far away from the connecting frame (3).

9. A height adjustable butterfly child seat back as claimed in claim 1, wherein: the back cushion (2) of the chair comprises a back board (21) fixedly connected with the connecting frame (3) and a flexible cushion (22) adhered to the back board (21) through a magic tape.