CN210170320U - Movable table plate mechanism for wheelchair - Google Patents
Movable table plate mechanism for wheelchair Download PDFInfo
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- CN210170320U CN210170320U CN201920632440.7U CN201920632440U CN210170320U CN 210170320 U CN210170320 U CN 210170320U CN 201920632440 U CN201920632440 U CN 201920632440U CN 210170320 U CN210170320 U CN 210170320U
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Abstract
The utility model relates to a movable table plate mechanism for a wheelchair, the wheelchair comprises a side supporting plate and a handrail arranged at the top of the side supporting plate, the table plate mechanism comprises a table plate, an ejection pressure spring, a button and a button pressure spring, a pair of first slots are arranged in the side supporting plate, the table plate is provided with a pair of first slots which are respectively arranged in the first slots of the two side supporting plates, one end of the ejection pressure spring is fixed in the first slot, and the other end of the ejection pressure spring is tightly propped against one end of the table plate; a button groove is formed in one side of the side supporting plate at the opening of the first slot, the button is connected in the button groove in a sliding mode, one end of a button pressure spring is fixed in the button groove, the other end of the button pressure spring tightly abuts against one end of the button, the other end of the button can block the opening of the first slot, and the button can be pressed to expose the opening of the first slot; table one end is tightly supported on ejecting pressure spring, and the other end is tightly supported on the button, and two table one end is equipped with the concave groove and the convex groove of mutually supporting respectively, the utility model discloses a table mechanism is convenient for accomodate and the equipment.
Description
Technical Field
The utility model relates to a movable table plate mechanism for a wheelchair, which belongs to the technical field of table and chair manufacture.
Background
At present, be applied to the table structure of wheelchair and adopt split type structure between most and the wheelchair, place the table on the wheelchair when using, then accomodate to other places when not using, like the patent of patent number 201810780236X, disclose a table structure of wheelchair, this kind of table structure is used very inconveniently to going out or solitary patient and old man.
SUMMERY OF THE UTILITY MODEL
The utility model provides a movable table board mechanism which is convenient for storage and assembly, and solves the problems existing in the prior art.
In order to achieve the above object, the utility model provides a technical scheme does: a movable table plate mechanism for a wheelchair comprises side supporting plates and armrests arranged at the tops of the side supporting plates, the table plate mechanism comprises two table plates, a push-out pressure spring, a button and a button pressure spring, a first slot is formed in each side supporting plate, and the two table plates are respectively a first table plate and a second table plate; the first table plate and the second table plate are respectively arranged in the first slots of the two side supporting plates, one end of the ejection pressure spring is fixed in the first slot, and the other end of the ejection pressure spring is tightly propped against one end of the table plate; a button groove is formed in one side of the side supporting plate at the opening of the first slot, the button is connected in the button groove in a sliding mode, one end of a button pressure spring is fixed in the button groove, the other end of the button pressure spring tightly abuts against one end of the button, the other end of the button can block the opening of the first slot, and the button can be pressed to expose the opening of the first slot; one end of each table plate is tightly propped against the ejection pressure spring, the other end of each table plate is tightly propped against the button, and one end of each table plate is provided with a concave groove and a convex groove which are matched with each other.
The technical scheme is further designed as follows: a second slot is formed in the inner side of the front end of the handrail, and one end of the table plate can be inserted into the second slot.
The table plate mechanism further comprises a stop block and a stop block pressure spring, a second blind hole is formed in the inner side of the second slot, one end of the stop block pressure spring is fixed in the second blind hole, the other end of the stop block pressure spring is fixed on the stop block, the stop block is connected in the second blind hole in a sliding mode, and one end of the stop block pressure spring can stretch out of the second blind hole.
The end part of one end of the table plate is provided with a limiting groove, the width of the limiting groove is gradually increased from inside to outside, and the shape of the end part of the stop block, which extends out of the second blind hole, is matched with the shape of the limiting groove.
The bottom of the inner side of the first slot is provided with a first blind hole, one end of the ejection pressure spring is fixed in the first blind hole, and the other end of the ejection pressure spring is tightly propped against one end of the table plate.
The ejection pressure springs are arranged in parallel, and the corresponding first blind holes are also arranged in two.
The button groove is characterized in that hanging edges extending to the middle of the opening are arranged on two sides of the opening of the button groove, side wings are arranged on two sides of the button groove, and one ends of the side wings can tightly abut against the inner sides of the hanging edges.
The invention has the beneficial effects that:
the table plate mechanism of the utility model can be accommodated in the side supporting plates at the two sides, and the normal use of the wheelchair is not influenced; take out two tables during the use, splice the back through the cooperation in concave groove and convex groove, insert the second slot of handrail with table one end in, because the table both sides all are connected with the handrail, compare the table of unilateral storage among the prior art, the atress is more balanced, sound construction, and stability is good. The table board mechanism can be quickly installed and disassembled through the structure and can be arranged in the side supporting board.
The utility model discloses a two tables set up respectively in the board is held up to the side of both sides in table mechanism for the structure of board, handrail and each spare part is held up to both sides side is the same, is convenient for to the production of individual part die sinking, and production efficiency is high, and is with low costs.
Drawings
Fig. 1 is an exploded view of the structure of the table mechanism of the present invention;
fig. 2 is a top view of the table plate mechanism of the present invention;
FIG. 3 is a cross-sectional view taken along plane A-A of the table mechanism of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of a concave groove and a convex groove;
FIG. 6 is a top view of the table and armrest mounting;
FIG. 7 is an enlarged view in partial section of FIG. 6;
FIG. 8 is a front view of the table and armrest mounting;
FIG. 9 is an enlarged view of a portion of FIG. 9;
FIG. 10 is a first schematic view of a wheelchair employing the table mechanism of the present embodiment;
fig. 11 is a schematic structural view of a wheelchair employing the table plate mechanism of the embodiment.
In the figure: 1-side supporting plate, 11-first slot, 12-first blind hole, 13-side supporting plate main body, 14-cover plate, 15-button slot, 2-handrail, 21-second slot, 22-second blind hole, 3-table plate, 31-concave slot 31, 32-convex slot, 33-limit slot, 4-ejection pressure spring, 5-button, 51-button pressure spring, 52-side wing, 6-stop and 61-stop pressure spring.
Detailed Description
The invention is described in detail below with reference to the figures and the specific embodiments.
Examples
Referring to fig. 10 and 11, the wheelchair comprises a side handrail 1 and a handrail 2 arranged at the top of the side handrail 1, and referring to fig. 1, the side handrail comprises a side handrail main body 13 and a cover plate 14 covering one side of the side handrail main body, the cover plate 14 covers the side handrail main body 13, a first slot 11 is formed in the front of the side handrail, a button slot 15 is formed in one side of the side handrail main body 13 at the opening of the first slot 11, and the two side handrail structures in the wheelchair are the same.
With reference to fig. 2, in this embodiment, the table plate mechanism includes two table plates 3, two ejection compression springs 4, two buttons 5, two button compression springs 51, two stoppers 6, and two stopper compression springs 61, where the two table plates 3 are respectively a first table plate and a second table plate, the first and second table plates are respectively matched with a group of ejection compression springs 4, two buttons 5, two button compression springs 51, two stoppers 6, and two stopper compression springs 61, and in this embodiment, the first and second table plates are respectively disposed in the first slots 11 of the two side support plates 1 and are slidably connected with the first slots, as shown in fig. 3, two first blind holes 12 are disposed at the bottom of the inner side of the first slot 11, two ejection compression springs 4 are respectively disposed in the two first blind holes 12, one end of each ejection compression spring 4 is fixed in the first blind hole 12, and the other end of each ejection compression spring is tightly abutted against one end of the table plate 3, and the two ejection compression springs 4 are; referring to fig. 4, the button 5 is slidably connected in the button slot 15, one end of a button pressure spring 51 is fixed in the button slot 15, the other end of the button pressure spring is tightly abutted to one end of the button 5, hanging edges extending to the middle of the opening are arranged on two sides of the opening of the button slot 15, side wings 52 are arranged on two sides of the button 5, one end of each side wing 52 can be tightly abutted to the inner side of each hanging edge, so that the button 5 can be limited in the button slot, as shown in fig. 4, the moving direction of the button 5 is perpendicular to the moving direction of the table board 3. In a natural state, the other end of the button 5 can extend out of the button groove 15 under the action of the button pressure spring 51 and block the opening of the first slot 11, so that the table plate 3 can be limited in the first slot 11, at the moment, one end of the table plate 3 is compressed and pushed out of the pressure spring 4, and the other end of the table plate is tightly propped against one side of the button 5; when the button 5 is pressed, the button 5 compresses the button pressure spring 51, the other end of the button 5 can slide out of the opening range of the first slot 11, so that the opening of the first slot is exposed, and the table plate 3 can be ejected out of the first slot 11 under the action of the ejection pressure spring 4.
As shown in fig. 5, the first and second desk plates are respectively provided with a concave groove 31 and a convex groove 32 at one end thereof. After the two tables 3 are taken out, the two tables can be spliced through the concave groove 31 and the convex groove 32, the longitudinal section of the convex groove is Z-shaped, the middle part of the concave groove is provided with an opening, the convex groove penetrates through the opening of the concave groove from the bottom and is clamped in the concave groove during splicing, pressure is applied from the upper part of the tables, the concave groove 31 and the convex groove 32 can form interlocking, the pressure is applied from the lower part, and the concave groove 31 and the convex groove 32 can be separated from each other; the other ends of the two table plates can be respectively inserted into the two armrests 2 after splicing.
Referring to fig. 6, 7, 8 and 9, in this embodiment, the inner side of the front end of the armrest 2 is provided with a second slot 21, the second slot 21 is provided with an opening at the inner side and the front end of the armrest, one end of the table plate 3 can be inserted into the second slot 21 (as shown in fig. 8 and 9), the bottom of the inner side of the second slot 21 is provided with a second blind hole 22, one end of a stopper pressure spring 61 is fixed in the second blind hole 22, the other end of the stopper pressure spring is fixed on the stopper 6, the stopper 6 is slidably connected in the second blind hole 22, and one end of the stopper 6 can extend out of the second blind hole, the end of one end of the table plate 3 is provided with a limit groove 33, the width of the limit groove 33 gradually increases from inside to outside and is isosceles trapezoid, the shape of the end of one end of the stopper 6 extending out of the second blind hole matches the shape of the limit groove 33 (as shown in fig. 6 and 7), when the table plate, when the table plate 3 is inserted to the position of the limiting groove 33 and coincides with the position of the stop block 6, the stop block 6 extends out of the second blind hole 22 under the action of the stop block pressure spring 61 and is embedded with the limiting groove 33 to limit the table plate 3, otherwise, when the table plate 3 is drawn out, the inclined surface of the limiting groove 33 pushes the inclined surface of the stop block 6 to push the stop block 6 into the second blind hole 22, and the table plate 3 can be drawn out. In this embodiment, one end of the desk plate 3 has an L-shaped cross section (as shown in fig. 9), the shape of the second slot 21 matches that of the desk plate 3, and when the desk plate 3 is inserted into the second slot 21, the desk plate 3 is not likely to move left or right. In the table mechanism of this embodiment, because design two of table 3 for can splice, and set up two tables respectively in both sides handrail 1, make both sides handrail 1 and ejecting pressure spring 4, button 5, button pressure spring 51, dog 6 and dog pressure spring 61 isotructure the same, owing to need carry out the die sinking when each part of preparation, two the same structures only need open a mould, the die sinking quantity of the reducible each part of table mechanism of this embodiment, thereby improve production efficiency, and therefore, the cost is reduced.
The technical solutions of the present invention are not limited to the above embodiments, and all technical solutions obtained by using equivalent substitution modes fall within the scope of the present invention.
Claims (7)
1. A activity table mechanism for wheelchair, the wheelchair has side and holds up board and sets up in the handrail of side holding up the board top, its characterized in that: the movable table plate mechanism comprises a table plate, an ejection pressure spring, a button and a button pressure spring, a first slot is formed in the side supporting plate, and the number of the table plates is two, namely a first table plate and a second table plate; the first table plate and the second table plate are respectively arranged in the first slots of the two side supporting plates, one end of the ejection pressure spring is fixed in the first slot, and the other end of the ejection pressure spring is tightly propped against one end of the table plate; a button groove is formed in one side of the side supporting plate at the opening of the first slot, the button is connected in the button groove in a sliding mode, one end of a button pressure spring is fixed in the button groove, the other end of the button pressure spring tightly abuts against one end of the button, the other end of the button can block the opening of the first slot, and the button can be pressed to expose the opening of the first slot; one end of the table plate is tightly propped against the ejection pressure spring, and the other end of the table plate is tightly propped against the button; one end of the first table plate and one end of the second table plate are respectively provided with a concave groove and a convex groove which are matched with each other.
2. A movable table mechanism for a wheelchair as claimed in claim 1, wherein: a second slot is formed in the inner side of the front end of the handrail, and one end of the table plate can be inserted into the second slot.
3. A movable table mechanism for a wheelchair as claimed in claim 2, wherein: still include dog and dog pressure spring, second slot inboard is equipped with the second blind hole, and dog pressure spring one end is fixed in the second blind hole, and the other end is fixed on the dog, and dog sliding connection is in the second blind hole, and one end can stretch out the second blind hole.
4. A movable table mechanism for a wheelchair as claimed in claim 3, wherein: the end part of one end of the table plate is provided with a limiting groove, the width of the limiting groove is gradually increased from inside to outside, and the shape of the end part of the stop block, which extends out of the second blind hole, is matched with the shape of the limiting groove.
5. A movable table mechanism for a wheelchair as claimed in claim 1, wherein: the bottom of the inner side of the first slot is provided with a first blind hole, one end of the ejection pressure spring is fixed in the first blind hole, and the other end of the ejection pressure spring is tightly propped against one end of the table plate.
6. A movable table mechanism for a wheelchair as claimed in claim 5, wherein: the ejection pressure springs are arranged in parallel, and the corresponding first blind holes are also arranged in two.
7. A movable table mechanism for a wheelchair as claimed in claim 1, wherein: the button groove is characterized in that hanging edges extending to the middle of the opening are arranged on two sides of the opening of the button groove, side wings are arranged on two sides of the button groove, and one ends of the side wings can tightly abut against the inner sides of the hanging edges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920632440.7U CN210170320U (en) | 2019-05-06 | 2019-05-06 | Movable table plate mechanism for wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920632440.7U CN210170320U (en) | 2019-05-06 | 2019-05-06 | Movable table plate mechanism for wheelchair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210170320U true CN210170320U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920632440.7U Active CN210170320U (en) | 2019-05-06 | 2019-05-06 | Movable table plate mechanism for wheelchair |
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| Country | Link |
|---|---|
| CN (1) | CN210170320U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327168A (en) * | 2019-05-06 | 2019-10-15 | 南京康尼智能技术有限公司 | A kind of extension leaf mechanism for wheelchair |
-
2019
- 2019-05-06 CN CN201920632440.7U patent/CN210170320U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110327168A (en) * | 2019-05-06 | 2019-10-15 | 南京康尼智能技术有限公司 | A kind of extension leaf mechanism for wheelchair |
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