CN211212293U - Height adjusting mechanism for child dining chair - Google Patents
Height adjusting mechanism for child dining chair Download PDFInfo
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- CN211212293U CN211212293U CN201921566347.7U CN201921566347U CN211212293U CN 211212293 U CN211212293 U CN 211212293U CN 201921566347 U CN201921566347 U CN 201921566347U CN 211212293 U CN211212293 U CN 211212293U
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Abstract
The utility model belongs to children's dining chair field provides a height adjustment mechanism for children's dining chair, include: the chair comprises a seat, wherein a sleeve is arranged on the seat, chair legs are movably inserted in the sleeve, and a plurality of clamping grooves are uniformly formed in the chair legs; the locking device comprises a locking block, a sleeve and a clamping groove, wherein one end of the locking block is provided with a clamping sheet, one end of the clamping sheet penetrates through the sleeve and is movably clamped with the clamping groove, and the clamping sheet can be driven to be separated from the clamping groove when the locking block rotates; the moving block is arranged in the sleeve, one end of the moving block is rotatably connected with the locking block, and the other end of the moving block is provided with a connecting column which can drive the locking block to rotate when the moving block transversely moves; the unlocking push block is movably inserted into the sleeve, an unlocking inclined hole is formed in the unlocking push block, the connecting column is movably inserted into the unlocking inclined hole, and the moving block can be driven to transversely move when the unlocking push block moves. Compared with the prior art, the utility model has the advantages of: the adjustment mode is simple, and the head of a family easily masters the height of seat.
Description
Technical Field
The utility model belongs to children's dining chair field, concretely relates to a height adjustment mechanism for children's dining chair.
Background
Child dining chairs are special chairs for children to eat and are generally only suitable for children of 0 to 4 years old. The structure and variety of children's dining chair are many, such as folding children's dining chair, rocking chair type children's dining chair, children's dining chair with toy and playing function, in traditional dining chair, the base of dining chair is fixed, immovable, can't meet the height demand of different children, different growth periods, in addition, in different use environments, for the convenience of taking care of children, it is necessary for children and parents to be in the same horizontal position, because the base is fixed, can't meet the situation, thus can cause parents to bend down or lean backwards for a long time, very easily cause fatigue, in the prior art, a structure for adjusting the height of the seat up and down is added, but after the existing adjusting structure is unlocked, parents need to estimate the adjusting distance, then pull the backrest up and down to make the adjusting structure reenter the locking state, such an adjusting mode is troublesome, parents are not easy to master, and the conditions of more tones or less tones are easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a height adjusting mechanism for a child dining chair aiming at the current situation of the prior art.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a height adjustment mechanism for a child dining chair is provided, comprising: the chair comprises a seat, wherein a sleeve is arranged on the seat, chair legs are movably inserted in the sleeve, and a plurality of clamping grooves are uniformly formed in the chair legs;
the locking block is provided with a rotating block, the rotating block is rotationally connected with the sleeve, a spring is sleeved on the rotating block, one end of the spring abuts against the inner wall of the sleeve, a clamping sheet is arranged at one end of the locking block, one end of the clamping sheet penetrates through the sleeve and is movably clamped with one clamping groove, and the clamping sheet can be driven to be separated from the clamping groove when the locking block rotates;
the moving block is arranged in the sleeve, one end of the moving block is rotationally connected with the locking block, and the other end of the moving block is provided with a connecting column, so that the locking block can be driven to rotate when the moving block transversely moves;
the unlocking push block is movably inserted into the sleeve, an unlocking inclined hole is formed in the unlocking push block, the connecting column is movably inserted into the unlocking inclined hole, and the moving block can be driven to transversely move when the unlocking push block moves.
In the height adjusting mechanism for the child dining chair, the sleeve is provided with the mounting box, one end, far away from the clamping piece, of the locking block is movably arranged in the mounting box, and the moving block is movably arranged in the mounting box.
In the height adjusting mechanism for the child dining chair, a rotating hole is formed in the upper end of the locking block, a rotating column is arranged at one end of the moving block, and the rotating column is movably inserted into the rotating hole.
In the height adjusting mechanism for the child dining chair, a first limiting strip and a second limiting strip are arranged in the mounting box, the first limiting strip is movably abutted against the lower end face of the locking block, and the second limiting strip is movably abutted against the upper end face of the moving block.
Compared with the prior art, the height adjusting mechanism for the child dining chair has the advantages that the purpose of adjusting the height of the child chair can be achieved, the adjusting mode is simple, and parents can easily master the height of the chair; when the child seat is used, the first limiting bar can limit the rotation of the locking block, and stable connection between the seat legs and the seat is guaranteed.
Drawings
FIG. 1 is a perspective view of the height adjustment mechanism for a child dining chair;
FIG. 2 is a cross-sectional view of the height adjustment mechanism for the child dining chair;
FIG. 3 is a view showing the connection of the locking block, the moving block and the unlocking push block;
fig. 4 is a diagram showing a connection relationship between the lock block, the moving block, and the mounting case.
In the figure, a seat 1, a sleeve 2, a chair leg 3, a clamping groove 4, a locking block 5, a rotating block 6, a spring 7, a clamping sheet 8, a moving block 9, a connecting column 10, an unlocking push block 11, an unlocking inclined hole 12, a mounting box 13, a rotating hole 14, a rotating column 15, a first limiting strip 16 and a second limiting strip 17.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, the height adjustment mechanism for a child dining chair comprises: the chair comprises a chair 1, wherein a sleeve 2 is arranged on the chair 1, chair legs 3 are movably inserted in the sleeve 2, and a plurality of clamping grooves 4 are uniformly formed in the chair legs 3; the locking device comprises a locking block 5, a rotating block 6 and a clamping piece 8, wherein the rotating block 6 is rotatably connected with a sleeve 2, a spring 7 is sleeved on the rotating block 6, one end of the spring 7 abuts against the inner wall of the sleeve 2, one end of the locking block 5 is provided with the clamping piece 8, one end of the clamping piece 8 penetrates through the sleeve 2 and is movably clamped with one clamping groove 4, and the clamping piece 8 can be driven to be separated from the clamping groove 4 when the locking block 5 rotates; the moving block 9 is arranged in the sleeve 2, one end of the moving block 9 is rotatably connected with the locking block 5, the other end of the moving block 9 is provided with a connecting column 10, and the locking block 5 can be driven to rotate when the moving block 9 transversely moves; the unlocking push block 11 is movably inserted into the sleeve 2, an unlocking inclined hole 12 is formed in the unlocking push block 11, the connecting column 10 is movably inserted into the unlocking inclined hole 12, and the moving block 9 can be driven to transversely move when the unlocking push block 11 moves.
The chair legs 3 are movably inserted in the sleeve 2, the locking block 5 is arranged in the sleeve 2 and is rotatably connected with the sleeve 2, one end of the locking block 5 movably penetrates through the sleeve 2 and is clamped with the clamping groove 4, one end of the moving block 9 is rotatably connected with the locking block 5, the moving block 9 is provided with the connecting column 10, the connecting column 10 is movably inserted in the unlocking inclined hole 12, when the unlocking push block 11 is pushed to move, the unlocking inclined hole 12 synchronously moves, because the transverse position of the unlocking push block 11 cannot change, at the moment, the connecting column 10 can transversely move forwards in the unlocking inclined hole 12, namely, the moving block 9 is driven to transversely move forwards, when the moving block 9 transversely moves forwards, the locking block 5 can be driven to rotate, at the moment, one end of the locking block 5 rotates along with the locking block 5 and is separated from the clamping groove 4, the rotation of the locking block 5 can drive the spring 7 to deform, at the moment, the chair 1 can vertically slide, when the seat 1 slides to a proper position, the elastic force of the spring 7 drives the locking block 5 to restore to the initial position, and then the engaging piece 8 can be engaged with the other engaging groove 4, and meanwhile, the locking block 5 can also drive the movable block 9 and the unlocking push block 11 to restore to the initial position to prepare for next adjustment.
The sleeve 2 is provided with a mounting box 13, one end of the locking block 5, which is far away from the clamping sheet 8, is movably arranged in the mounting box 13, and the moving block 9 is movably arranged in the mounting box 13.
The upper end of the locking block 5 is provided with a rotating hole 14, one end of the moving block 9 is provided with a rotating column 15, the rotating column 15 is movably inserted into the rotating hole 14, when the moving block 9 moves transversely, the rotating column 15 can move forwards and drive the upper end of the locking block 5 to rotate around the joint of the upper end of the locking block and the rotating column 15, and then the locking block 5 can be driven to rotate.
Be provided with first spacing 16 and second spacing 17 in the mounting box 13, first spacing 16 activity is supported and is leaned on in locking piece 5 terminal surface down, and second spacing 17 activity is supported and is leaned on in movable block 9 up end.
When using the dining chair, children sit on seat 1, at this moment, chair leg 3 provides an ascending holding power, this holding power is used in the lower terminal surface of block piece 8, block piece 8 sets up on locking piece 5, be equivalent to locking piece 5 receives an ascending power promptly, first spacing 16 sets up in mounting box 13, be equivalent to first spacing 16 support and lean on the one end of keeping away from block piece 8 in locking piece 5 promptly, so when locking piece 5 receives ascending power near the one end of block piece 8, the other end of locking piece 5 can support more tightly on first spacing 16, and then can guarantee that locking piece 5 can not take place the pivoted condition, guarantee the stability of being connected between block piece 8 and the block groove 4, prevent seat 1 landing downwards when using.
The second limit strip 17 can limit the movement of the moving block 9, and prevent the moving block 9 from moving longitudinally when the unlocking push block 11 is pushed.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (4)
1. A height adjustment mechanism for a child's dining chair, comprising:
the chair comprises a seat, wherein a sleeve is arranged on the seat, chair legs are movably inserted in the sleeve, and a plurality of clamping grooves are uniformly formed in the chair legs;
the locking block is provided with a rotating block, the rotating block is rotationally connected with the sleeve, a spring is sleeved on the rotating block, one end of the spring abuts against the inner wall of the sleeve, a clamping sheet is arranged at one end of the locking block, one end of the clamping sheet penetrates through the sleeve and is movably clamped with one clamping groove, and the clamping sheet can be driven to be separated from the clamping groove when the locking block rotates;
the moving block is arranged in the sleeve, one end of the moving block is rotationally connected with the locking block, and the other end of the moving block is provided with a connecting column, so that the locking block can be driven to rotate when the moving block transversely moves;
the unlocking push block is movably inserted into the sleeve, an unlocking inclined hole is formed in the unlocking push block, the connecting column is movably inserted into the unlocking inclined hole, and the moving block can be driven to transversely move when the unlocking push block moves.
2. The height adjustment mechanism of claim 1, wherein a mounting box is disposed on the sleeve, an end of the locking block away from the engaging piece is movably disposed in the mounting box, and the moving block is movably disposed in the mounting box.
3. The height adjustment mechanism of claim 2, wherein the locking block has a rotation hole at an upper end thereof, the moving block has a rotation post at an end thereof, and the rotation post is movably inserted into the rotation hole.
4. The height adjustment mechanism of claim 3, wherein a first stop bar and a second stop bar are disposed in the mounting box, the first stop bar movably abuts against the lower end surface of the locking block, and the second stop bar movably abuts against the upper end surface of the moving block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566347.7U CN211212293U (en) | 2019-09-19 | 2019-09-19 | Height adjusting mechanism for child dining chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566347.7U CN211212293U (en) | 2019-09-19 | 2019-09-19 | Height adjusting mechanism for child dining chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211212293U true CN211212293U (en) | 2020-08-11 |
Family
ID=71916830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921566347.7U Active CN211212293U (en) | 2019-09-19 | 2019-09-19 | Height adjusting mechanism for child dining chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211212293U (en) |
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2019
- 2019-09-19 CN CN201921566347.7U patent/CN211212293U/en active Active
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