CN209769801U - Be used for children's dining chair height adjustment structure and children's dining chair - Google Patents
Be used for children's dining chair height adjustment structure and children's dining chair Download PDFInfo
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- CN209769801U CN209769801U CN201920137338.XU CN201920137338U CN209769801U CN 209769801 U CN209769801 U CN 209769801U CN 201920137338 U CN201920137338 U CN 201920137338U CN 209769801 U CN209769801 U CN 209769801U
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- unlocking
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- chair
- tongue piece
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Abstract
The utility model belongs to children's dining chair field provides a be used for children's dining chair altitude mixture control structure and children's dining chair, include: the chair comprises a chair main body, wherein two side ends of the chair main body are respectively provided with a movable sleeve used for being connected with chair legs, and the chair legs are provided with a plurality of clamping grooves with the same interval; the clamping tongue piece is rotatably connected to the movable sleeve, one end of the clamping tongue piece is movably clamped with the clamping groove, a first reset spring is arranged at the other end of the clamping tongue piece, one end of the first reset spring abuts against the inner side of the movable sleeve, and when the clamping tongue piece rotates, the end part of the first reset spring can be separated from the clamping groove; the unlocking piece is movably arranged in the movable sleeve, and one end of the unlocking piece is movably clamped with the clamping tongue piece; when the unlocking piece moves upwards, the clamping tongue piece can be driven to rotate, and the end part of the unlocking piece is separated from the clamping tongue piece when the unlocking piece rises to a preset distance. Compared with the prior art, the utility model has the advantages of: the descending distance of the seat can be controlled, and the accuracy of the height adjustment of the seat is improved.
Description
Technical Field
The utility model belongs to children's dining chair field, concretely relates to be used for children's dining chair altitude mixture control structure and 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 that the current situation of the prior art is aimed at, and a height adjusting structure of a child dining chair is provided.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a height adjustment structure of a child dining chair is provided, which comprises: the chair comprises a chair main body, wherein two side ends of the chair main body are respectively provided with a movable sleeve used for being connected with chair legs, and the chair legs are provided with a plurality of clamping grooves with the same interval;
The clamping tongue piece is rotationally connected to the movable sleeve, one end of the clamping tongue piece is movably clamped with the clamping groove, a first reset spring is arranged at the other end of the clamping tongue piece, one end of the first reset spring abuts against the inner side of the movable sleeve, and when the clamping tongue piece rotates, the end part of the first reset spring can be separated from the clamping groove;
The unlocking piece is movably arranged in the movable sleeve, and one end of the unlocking piece is movably clamped with the clamping tongue piece;
When the unlocking piece moves upwards, the clamping tongue piece can be driven to rotate, and the end part of the unlocking piece is separated from the clamping tongue piece when the unlocking piece rises to a preset distance.
In the height adjusting structure for the child dining chair, a locking groove and a first sliding surface are arranged at the side end of the clamping tongue piece, and one end of the unlocking piece is movably clamped with the locking groove; when the unblocking piece rebound, unblocking piece tip can with locking groove separation and unblocking piece lower extreme can support by in on the first glide plane.
In the height adjusting structure for the child dining chair, the unlocking piece comprises a moving block and an unlocking piece, the moving block is movably arranged in the moving sleeve, the transverse direction of the unlocking piece is movably connected with the moving block, and the end part of the unlocking piece is movably clamped with the locking groove; when the moving block moves upwards, the end part of the unlocking block can be driven to be separated from the locking groove and abut against the first sliding surface.
In the height adjustment structure of the child dining chair, the unlocking block is transversely movably inserted into the moving block; when the moving block moves upwards, the unlocking block can be driven to move inwards in the transverse direction.
In the height adjusting structure of the child dining chair, the lower end of the unlocking block is rotatably connected with the moving block; when the moving block moves upwards, the unlocking block can be driven to rotate downwards.
In the height adjusting structure of the child dining chair, the unlocking block is provided with a locking surface and a second sliding surface, and the locking surface and the second sliding surface are intersected and connected with the end part of the unlocking block; when the end part of the unlocking block is clamped with the locking groove, the locking surface is abutted to the locking groove, and when the moving block drives the unlocking block to move upwards, the locking surface is separated from the locking groove and the second sliding surface is movably abutted to the first sliding surface.
In the height adjusting structure for the child dining chair, a rear end cover is arranged on the side end face of the movable sleeve, the clamping tongue piece is rotatably connected in the rear end cover, the movable block is movably arranged in the rear end cover, a second reset spring is arranged at the upper end of the movable block, the upper end of the second reset spring abuts against the upper end of the rear end cover, a third reset spring is arranged at the rear end of the unlocking block, and the end of the third reset spring abuts against the rear end of the rear end cover.
In the height adjustment structure of the child dining chair, the first sliding surface is of an arc-shaped structure, and the second sliding surface is obliquely arranged.
In the height adjusting structure for the child dining chair, the seat body is movably provided with the stretching block, the lower end of the stretching block is connected with the unlocking wire, and the unlocking wire is connected with the upper end of the moving block.
another object of the present invention is to solve the above problems in the prior art, and to provide a child dining chair, which employs the height adjustment structure of the child dining chair.
The purpose of the utility model can be realized by the following technical proposal: a child dining chair with the height adjusting structure comprises a safety stop block arranged on a seat body and an angle-adjustable leg supporting plate.
Compared with the prior art, the utility model has the advantages of this children dining chair altitude mixture control structure adjusts at every turn and can make the seat descend to next block inslot, can control the descending distance of seat promptly, improves seat altitude mixture control's accuracy.
Drawings
FIG. 1 is a perspective view of the children's dining chair;
FIG. 2 is a perspective view of the height adjustment structure of the child dining chair;
figure 3 is a sectional view of the height adjusting structure of the child dining chair.
Figure 4 is a sectional view of another structure for adjusting the height of the child dining chair.
In the figure, a seat body 1, a movable sleeve 2, an engagement groove 3, an engagement tongue 4, a first return spring 5, a locking groove 6, a first sliding surface 7, a moving block 8, an unlocking block 9, a locking surface 10, a second sliding surface 11, a rear end cover 12, a second return spring 13, a third return spring 14, a tension block 15, an unlocking wire 16, a leg 17, a safety stopper 18, and a leg support plate 19.
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 3, the height adjustment structure of the children's dining chair comprises: the chair comprises a seat body 1, wherein both side ends of the seat body are provided with movable sleeves 2 used for being connected with chair legs 17, and the chair legs 17 are provided with a plurality of clamping grooves 3 with the same interval; the clamping tongue piece 4 is rotationally connected to the movable sleeve 2, one end of the clamping tongue piece 4 is movably clamped with the clamping groove 3, the other end of the clamping tongue piece 4 is provided with a first reset spring 5, one end of the first reset spring 5 abuts against the inner side of the movable sleeve 2, and when the clamping tongue piece 4 rotates, the end part of the clamping tongue piece 4 can be separated from the clamping groove 3; the unlocking piece is movably arranged in the movable sleeve 2, and one end of the unlocking piece is movably clamped with the clamping tongue piece 4; when the unlocking piece moves upwards, the locking tongue piece 4 can be driven to rotate, and when the unlocking piece rises to a preset distance, the end part of the unlocking piece is separated from the locking tongue piece 4.
When the child seat is used, a child sits on the seat main body 1, the side end of the seat main body 1 is provided with the movable sleeve 2, the movable sleeve 2 can move up and down on the seat legs 17, the clamping tongue piece 4 is rotationally connected with the movable sleeve 2, and the end part of the clamping tongue piece is clamped with the clamping groove 3, at the moment, the seat main body 1 cannot move up and down, the safety of the child during the use of the dining chair is ensured, one end of the unlocking piece is movably clamped with the clamping tongue piece 4, the unlocking piece can drive the clamping tongue piece 4 to rotate when moving upwards, the end part of the clamping tongue piece 4 can be separated from the clamping groove 3 when rotating, namely, the purpose that the movable sleeve 2 moves on the seat legs 17 can be realized, under the self gravity of the seat main body 1, the seat main body 1 can move downwards, if a parent provides upwards pulling force to the seat main body 1, the seat, when the unlocking piece rises to the preset distance, the end part of the unlocking piece is separated from the clamping tongue piece 4, namely, the unlocking piece does not apply acting force on the clamping tongue piece 4 any more, meanwhile, the clamping tongue piece 4 can move in the opposite direction under the action of the first return spring 5, and the clamping tongue piece 4 can be clamped with the next clamping groove 3 or the previous clamping groove 3, so that the aim that the seat moves downwards or upwards for a certain distance can be fulfilled, the height of the seat can be easily controlled and adjusted by parents, the condition of less adjustment or more adjustment is avoided, and the distance between different clamping grooves 3 can be set according to actual requirements.
The other function of the first return spring 5 is to continuously provide pressure to the engaging tongue 4 during the use of the dining chair, so that the engaging tongue 4 can be always engaged with the engaging groove 3, thereby ensuring the safety of the dining chair during use.
a locking groove 6 and a first sliding surface 7 are arranged at the side end of the clamping tongue piece 4, and one end of the unlocking piece is movably clamped with the locking groove 6; when the unlocking piece moves upwards, the end part of the unlocking piece can be separated from the locking groove 6, and the lower end of the unlocking piece can abut against the first sliding surface 7.
One end of the unlocking piece is movably clamped with the locking groove 6, the first sliding surface 7 and the locking groove 6 are intersected at the side end of the clamping tongue piece 4, when the unlocking piece moves upwards, one end of the unlocking piece can be separated from the locking groove 6 and abut against the first sliding surface 7 at the same time, in the process that the unlocking piece moves upwards, the unlocking piece can provide rotating force for the clamping tongue piece 4, so that the clamping tongue piece 4 can rotate around the hinged part of the clamping tongue piece and the movable sleeve 2, and further the clamping tongue piece 4 is separated from the clamping groove 3, after one end of the unlocking piece is separated from the locking groove 6, the unlocking piece can not continue to provide rotating force for the clamping tongue piece 4, at the moment, the clamping tongue piece 4 is only under the action of the force of the first reset spring 5, and the clamping tongue piece 4 can,
The unlocking piece comprises a moving block 8 and an unlocking block 9, the moving block 8 is movably arranged in the movable sleeve 2, the unlocking block 9 is transversely and movably connected with the moving block 8, and the end part of the unlocking block is movably clamped with the locking groove 6; when the moving block 8 moves upwards, the end part of the unlocking block 9 can be driven to be separated from the locking groove 6 and abut against the first sliding surface 7.
The moving block 8 can move up and down in the movable sleeve 2, the moving block 8 can drive the unlocking block 9 to move up when moving up, the unlocking block 9 can drive the clamping tongue piece 4 to rotate, the moving block 8 can drive the clamping tongue piece 4 to rotate to a certain angle when moving up to a preset distance, the end part of the unlocking block 9 and the locking groove 6 cannot continue to interact, the end part of the unlocking block 9 can be separated from the locking groove 6 and supported on the first sliding surface 7, when the moving block 8 moves down, the unlocking block 9 can slide from top to bottom on the first sliding surface 7, the unlocking block 9 can be clamped with the locking groove 6 again, and next unlocking is facilitated.
The unlocking block 9 is transversely movably inserted on the moving block 8; when the moving block 8 moves downwards, the unlocking block 9 can move laterally inwards.
The unlocking block 9 is transversely arranged on the moving block 8, when the moving block 8 moves upwards, the unlocking block 9 cannot move backwards, the locking tongue piece 4 can be driven to rotate, when the unlocking block 9 is separated from the locking groove 6, one end of the unlocking block 9 can be abutted against the first sliding surface 7, when the moving block 8 moves downwards, the unlocking block 9 can slide on the first sliding surface 7, the locking tongue piece 4 is re-clamped with the locking groove 6 at the moment, when the unlocking block 9 is driven to move downwards by the moving block 8, the first sliding surface 7 can give an acting force to the unlocking block 9, the unlocking block 9 can move backwards, then the unlocking block 9 can be re-locked with the locking groove 6 again, and the next unlocking of parents is facilitated.
the unlocking block 9 is provided with a locking surface 10 and a second sliding surface 11, and the locking surface 10 and the second sliding surface 11 are intersected with the end part of the unlocking block 9; when 9 tip of unblock piece and locking groove 6 joint, locking face 10 supports and leans on in locking groove 6, and when movable block 8 drove the upward movement of unblock piece 9, locking face 10 breaks away from locking groove 6 and second glide plane 11 activity supports and leans on first glide plane 7.
during the normal use of dining chair, locking surface 10 can support and lean on locking groove 6 medial surface, guarantee the stability of block tongue piece 4, when the movable block 8 moves up, locking surface 10 can exert ascending pressure on locking groove 6 medial surface, make block tongue piece 4 rotate and break away from in block groove 3, when the movable block 8 moves up to predetermineeing the distance, locking surface 10 breaks away from out locking groove 6, and second glide plane 11 can support and lean on first glide plane 7, when the movable block 8 moves down, first glide plane 7 can make the locking piece inwards move until locking surface 10 supports and leans on again in locking groove 6.
The movable sleeve 2 is provided with a rear end cover 12, the clamping tongue piece 4 is rotatably connected into the rear end cover 12, the movable block 8 is movably arranged in the rear end cover 12, the upper end of the movable block 8 is provided with a second reset spring 13, the upper end of the second reset spring 13 is abutted against the upper end of the rear end cover 12, the rear end of the unlocking block 9 is provided with a third reset spring 14, and the end of the third reset spring 14 is abutted against the rear end of the rear end cover 12.
When the moving block 8 moves upwards, the second reset spring 13 is compressed, when the moving block 8 does not receive upward pulling force any more, the second reset spring 13 can drive the moving block 8 to move downwards, and further the unlocking block 9 is clamped with the locking groove 6 again, the third reset spring 14 can ensure that the end part of the unlocking block 9 can be stably clamped in the locking groove 6, namely, the clamping tongue piece 4 can be driven to stably rotate, when the clamping tongue piece 4 rotates to a certain angle, the unlocking block 9 is separated from the locking groove 6, at the moment, the third reset spring 14 can ensure that the second sliding surface 11 is stably abutted against the first sliding surface 7, in the descending process of the moving block 8, the first sliding surface 7 is ensured to play a role of the second sliding surface 11 all the time.
First glide plane 7 is the arc structure, and second glide plane 11 is the slant setting, and when the movable block 8 moves down, the arc structure of first glide plane 7 and the slant structure of second glide plane 11 can make second glide plane 11 remove backward, can drive unlocking block 9 and remove backward promptly.
The seat body 1 is movably provided with a stretching block 15, the lower end of the stretching block 15 is connected with an unlocking wire 16, and the unlocking wire 16 is connected with the upper end of the moving block 8.
when the head of a family adjusted the seat height, only need pulling tensile piece 15 just can drive unblock line 16 and remove, unblock line 16 is connected with movable block 8 upper end, can drive movable block 8 promptly and remove.
As shown in fig. 4, the lower end of the unlocking block 9 is rotatably connected with the moving block 8; when the moving block 8 moves downward, the unlocking block 9 can rotate downward.
Unlocking block 9 lower extreme rotates with movable block 8 to be connected does the utility model discloses a another kind of implementation, concrete effect is the same in the 9 effects of the above-mentioned horizontal unblock blocks that set up, no longer gives unnecessary details here.
As shown in fig. 1, the utility model discloses still including the children dining chair that has applied this limit structure, specifically including setting up safety stop 18 and angle-adjustable's leg support plate 19 in the seat main part, safety stop 18 can provide better security for children, and leg support plate 19 can bring more comfortable position of sitting for children, can avoid children to have a down dip the gliding condition earlier simultaneously.
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 (10)
1. A height adjusting structure of a child dining chair, comprising:
The chair comprises a chair main body, wherein two side ends of the chair main body are respectively provided with a movable sleeve used for being connected with chair legs, and the chair legs are provided with a plurality of clamping grooves with the same interval;
The clamping tongue piece is rotationally connected to the movable sleeve, one end of the clamping tongue piece is movably clamped with the clamping groove, a first reset spring is arranged at the other end of the clamping tongue piece, one end of the first reset spring abuts against the inner side of the movable sleeve, and when the clamping tongue piece rotates, the end part of the first reset spring can be separated from the clamping groove;
The unlocking piece is movably arranged in the movable sleeve, and one end of the unlocking piece is movably clamped with the clamping tongue piece;
When the unlocking piece moves upwards, the clamping tongue piece can be driven to rotate, and the end part of the unlocking piece is separated from the clamping tongue piece when the unlocking piece rises to a preset distance.
2. The height adjustment structure of a child dining chair as claimed in claim 1, wherein a locking groove and a first sliding surface are disposed at a side end of the locking tongue, and one end of the unlocking member is movably engaged with the locking groove; when the unblocking piece rebound, unblocking piece tip can with locking groove separation and unblocking piece lower extreme can support by in on the first glide plane.
3. the height adjusting structure for a child dining chair according to claim 2, wherein the unlocking member comprises a moving block and an unlocking block, the moving block is movably arranged in the movable sleeve, the unlocking block is movably connected with the moving block in a transverse direction, and the end part of the unlocking block is movably clamped with the locking groove; when the moving block moves upwards, the end part of the unlocking block can be driven to be separated from the locking groove and abut against the first sliding surface.
4. The height adjustment structure of a child dining chair as claimed in claim 3, wherein said unlocking block is transversely movably inserted on said moving block; when the moving block moves upwards, the unlocking block can be driven to move inwards in the transverse direction.
5. The height adjustment structure of a child dining chair as claimed in claim 3, wherein the lower end of the unlocking block is rotatably connected to the moving block; when the moving block moves upwards, the unlocking block can be driven to rotate downwards.
6. The height adjustment structure for children's dining chair according to claim 4, wherein the unlocking block is provided with a locking surface and a second sliding surface, and the locking surface and the second sliding surface intersect with the end of the unlocking block; when the end part of the unlocking block is clamped with the locking groove, the locking surface is abutted to the locking groove, and when the moving block drives the unlocking block to move upwards, the locking surface is separated from the locking groove and the second sliding surface is movably abutted to the first sliding surface.
7. The height adjusting structure for a child dining chair according to claim 3, wherein a rear end cover is disposed on a side end surface of the movable sleeve, the engaging tongue is rotatably connected in the rear end cover, the movable block is movably disposed in the rear end cover, a second return spring is disposed at an upper end of the movable block, an upper end of the second return spring abuts against an upper end of the rear end cover, a rear end of the unlocking block is disposed with a third return spring, and an end of the third return spring abuts against a rear end of the rear end cover.
8. The height adjustment structure of a child dining chair as claimed in claim 6, wherein said first sliding surface is of an arc-shaped configuration, and said second sliding surface is obliquely disposed.
9. The height adjustment structure of a child dining chair as claimed in claim 3, wherein a stretching block is movably disposed on the seat body, an unlocking cable is connected to a lower end of the stretching block, and the unlocking cable is connected to an upper end of the moving block.
10. A child dining chair with the height adjusting structure is characterized by comprising a safety stop block arranged on a chair main body and an angle-adjustable leg supporting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137338.XU CN209769801U (en) | 2019-01-25 | 2019-01-25 | Be used for children's dining chair height adjustment structure and children's dining chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920137338.XU CN209769801U (en) | 2019-01-25 | 2019-01-25 | Be used for children's dining chair height adjustment structure and children's dining chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209769801U true CN209769801U (en) | 2019-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920137338.XU Active CN209769801U (en) | 2019-01-25 | 2019-01-25 | Be used for children's dining chair height adjustment structure and children's dining chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209769801U (en) |
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2019
- 2019-01-25 CN CN201920137338.XU patent/CN209769801U/en active Active
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