CN110327168B - Movable table plate mechanism for wheelchair - Google Patents
Movable table plate mechanism for wheelchair Download PDFInfo
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- CN110327168B CN110327168B CN201910370359.0A CN201910370359A CN110327168B CN 110327168 B CN110327168 B CN 110327168B CN 201910370359 A CN201910370359 A CN 201910370359A CN 110327168 B CN110327168 B CN 110327168B
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- button
- pressure spring
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- groove
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
- A61G5/10—Parts, details or accessories
- A61G5/1094—Tables, working plates or trays
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Connection Of Plates (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The invention relates to a movable table plate mechanism for a wheelchair, which comprises a side support plate and armrests arranged at the top of the side support plate, wherein the table plate mechanism comprises a table plate, an ejection pressure spring, a button and a button pressure spring, a first slot is arranged in the side support plate, the table plate is provided with a pair of table plates which are respectively arranged in the first slots of the two side support 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 abutted against one end of the table plate; the side support plate is provided with a button groove at one side of the opening of the first slot, the button is slidably connected in the button groove, one end of a button pressure spring is fixed in the button groove, the other end of the button pressure spring is tightly abutted against one end of the button, the other end of the button can block the opening of the first slot, and the opening of the first slot can be exposed when the button is pressed; one end of the table plate is tightly abutted against the ejection pressure spring, the other end of the table plate is tightly abutted against the button, and one ends of the two table plates are respectively provided with a concave groove and a convex groove which are matched with each other.
Description
Technical Field
The invention relates to a movable table plate mechanism for a wheelchair, and belongs to the technical field of table and chair manufacturing.
Background
At present, a split type structure is adopted between most of the desk plate structures applied to wheelchairs and the wheelchairs, when the desk plate is placed on the wheelchairs during use, the desk plate structures are stored elsewhere when not used, for example, the desk plate structures of the wheelchairs are disclosed in the patent number 201810780236X, and the desk plate structures are very inconvenient for outgoing or solitary patients and old people.
Disclosure of Invention
The invention provides a movable table plate mechanism convenient to store and assemble, which aims to solve the problems in the prior art.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the movable table plate mechanism comprises a side support plate and armrests arranged at the top of the side support plate, wherein the 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 support plate, and two table plates, namely a first table plate and a second table plate, are arranged; the first table plate and the second table plate are respectively arranged in the first slots of the two side support 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 abutted against one end of the table plate; the side support plate is provided with a button groove at one side of the opening of the first slot, the button is slidably connected in the button groove, one end of a button pressure spring is fixed in the button groove, the other end of the button pressure spring is tightly abutted against one end of the button, the other end of the button can block the opening of the first slot, and the opening of the first slot can be exposed when the button is pressed; one end of the table plate is tightly abutted against the ejection pressure spring, the other end of the table plate is tightly abutted against the button, and one ends of the two table plates are respectively provided with a concave groove and a convex groove which are matched with each other.
The technical scheme is further designed as follows: the inner side of the front end of the armrest is provided with a second slot, and one end of the desk plate can be inserted into the second slot.
The desk 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 slidably connected in the second blind hole, and one end of the stop block pressure spring can extend out of the second blind hole.
The end part of one end of the desk plate is provided with a limit groove, the width of the limit groove is gradually increased from inside to outside, and the shape of the end part of the stop block extending out of the second blind hole is matched with the shape of the limit 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 abutted against one end of the desk plate.
The two ejection compression springs are arranged in parallel, and two corresponding first blind holes are also arranged.
The button is characterized in that hanging edges extending towards 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, and one end of each side wing can be abutted against the inner sides of the corresponding hanging edge.
The beneficial effects of the invention are as follows:
the table plate mechanism can be contained in the side support plates at two sides, so that the normal use of the wheelchair is not affected; when the novel desk is used, two desk boards are taken out, after being spliced through the matching of the concave groove and the convex groove, one end of the desk board is inserted into the second slot of the handrail, and as the two sides of the desk board are connected with the handrail, the novel desk board is more balanced in stress, firm in structure and good in stability compared with the desk board stored on one side in the prior art. The table board mechanism can be quickly installed, detached and put into the side supporting board through the structure.
The two table plates in the table plate mechanism are respectively arranged in the side support plates at two sides, so that the side support plates at two sides, the handrails and parts have the same structure, the die sinking production of the parts is convenient, the production efficiency is high, and the cost is low.
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 mechanism of the present invention;
FIG. 3 is a cross-sectional view of the A-A side of the table mechanism shown in FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic diagram of a concave groove and a convex groove;
FIG. 6 is a top view of the table and armrest assembly;
FIG. 7 is an enlarged partial cross-sectional view of FIG. 6;
figure 8 is a front view of the table and armrest mounting;
FIG. 9 is an enlarged view of a portion of FIG. 8;
FIG. 10 is a schematic view of a wheelchair with a table mechanism according to the present embodiment;
fig. 11 is a schematic diagram of a wheelchair structure with the table mechanism of the present embodiment.
In the figure: 1-side support plate, 11-first slot, 12-first blind hole, 13-side support plate main body, 14-cover plate, 15-button slot, 2-handrail, 21-second slot, 22-second blind hole, 3-desk plate, 31-concave slot 31, 32-convex slot, 33-limit slot, 4-ejection pressure spring, 5-button, 51-button pressure spring, 52-flank, 6-stop, 61-stop pressure spring.
Detailed Description
The invention will now be described in detail with reference to the accompanying drawings and specific examples.
Examples
The movable table mechanism for a wheelchair according to this embodiment is shown in fig. 10 and 11, the wheelchair includes a side support plate 1 and an armrest 2 disposed at the top of the side support plate 1, and in combination with fig. 1, the side support plate includes a side support plate body 13 and a cover plate 14 disposed on one side of the side support plate body, the cover plate 14 is disposed on the side support plate body 13, a first slot 11 is formed at the front of the side support plate, a button slot 15 is disposed on one side of an opening of the first slot 11 in the side support plate body 13, and the structures of the two side support plates are the same in the wheelchair according to this embodiment.
Referring to fig. 2, the table plate mechanism in this embodiment includes a table plate 3, an ejection compression spring 4, a button 5, a button compression spring 51, a stop block 6 and a stop block compression spring 61, where two table plates 3are provided, respectively, a first table plate and a second table plate, the first table plate and the second table plate are both matched with a group of ejection compression springs 4, a button 5, a button compression spring 51, a stop block 6 and a stop block compression spring 61, in this embodiment, the first table plate and the second table plate are respectively disposed in a first slot 11 of two side support plates 1 and slidingly connected with the first slot, and 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 4is fixed in the first blind hole 12, and the other end of each ejection compression spring 4is abutted against one end of the table plate 3, and the two ejection compression springs 4 are mutually parallel to each other, so as to ensure that the table plate 3is uniformly stressed; referring to fig. 4, the button 5 is slidably connected in the button slot 15, one end of the button pressure spring 51 is fixed in the button slot 15, the other end of the button pressure spring abuts against one end of the button 5, hanging edges extending towards 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 abut against the inner side of each hanging edge, and therefore the button 5 can be limited in the button slot, and as shown in fig. 4, the movement direction of the button 5 is perpendicular to the movement direction of the table 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 compresses the ejection pressure spring 4, and the other end of the table plate is tightly abutted 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 3 can be ejected from the first slot 11 under the action of the ejection pressure spring 4.
As shown in fig. 5, one end of the first table top and one end of the second table top are respectively provided with a concave groove 31 and a convex groove 32 which are matched with each other. After the two table boards 3 are taken out, the two table boards can be spliced through the concave groove 31 and the convex groove 32, the longitudinal section of the convex groove is Z-shaped, an opening is formed in the middle of the concave groove, the convex groove penetrates through the opening of the concave groove from the bottom during splicing and is clamped in the concave groove, pressure is applied from the upper side of the table boards, the concave groove 31 and the convex groove 32 can form interlocking, pressure is applied from the lower side, and the concave groove 31 and the convex groove 32 can be separated from each other; the other ends of the two spliced table boards can be respectively inserted into the two armrests 2.
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 inner side and the front end of the armrest are provided with openings, 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 stop spring 61 is fixed in the second blind hole 22, the other end of the stop spring is fixed on the stop plate 6, the stop plate 6 is slidably connected in the second blind hole 22, one end of the stop plate 3 can extend out of the second blind hole, one end of the table plate 3 is provided with a limit groove 33, the width of the limit groove 33 is gradually increased from inside to outside and is in the shape of an isosceles trapezoid, one end of the stop plate 6 extends out of the second blind hole and is matched with the shape of the limit groove 33 (as shown in fig. 6 and 7), when the table plate 3 is inserted into the second slot 21, the table plate 3 pushes the stop plate 6 into the second blind hole 22 through the inclined plane of the stop plate 6, when the table plate 3 is inserted into the limit groove 33 and the position of the table plate 6 is overlapped with the position of the stop plate 6, the stop plate 6 is pulled out, the stop plate 6 extends out of the second blind hole under the action of the stop plate 61, the effect of the stop plate 33 and the second blind hole is pushed out of the second blind hole, and the second blind hole is pushed out of the second blind hole and the stop plate 33 and the stop plate 3 and the table plate 3 is pushed into the limit groove 33, and the limit groove 33 is gradually and the limit groove is pushed into the limit groove. In this embodiment, one end of the table plate 3 is L-shaped (as shown in fig. 9), and the second slot 21 is matched with the table plate 3, so that the table plate 3 is not easy to move left and right after the table plate 3 is inserted into the second slot 21. In the table mechanism of this embodiment, because the table 3 is designed into two that can splice to set up two tables respectively in board 1 is held up to both sides, make both sides hold up board 1 and ejecting pressure spring 4, button 5, button pressure spring 51, dog 6 and dog pressure spring 61 isotructure all the same, because need carry out the die sinking when making each part, two the same structure only need open a mould, the die sinking quantity of each part can be reduced to the table mechanism of this embodiment, thereby improves production efficiency, reduce cost.
The technical scheme of the invention is not limited to the embodiments, and all technical schemes obtained by adopting equivalent substitution modes fall within the scope of the invention.
Claims (7)
1. A movable table mechanism for a wheelchair having a side rail and an armrest disposed at a top of the side rail, characterized in that: the movable table plate mechanism comprises a table plate, an ejection pressure spring, a button and a button pressure spring, wherein a first slot is formed in the side support plate, and 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 support 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 abutted against one end of the table plate; the side support plate is provided with a button groove at one side of the opening of the first slot, the button is slidably connected in the button groove, one end of a button pressure spring is fixed in the button groove, the other end of the button pressure spring is tightly abutted against one end of the button, the other end of the button can block the opening of the first slot, and the opening of the first slot can be exposed when the button is pressed; one end of the table plate is tightly abutted against the ejection pressure spring, and the other end of the table plate is tightly abutted 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; two table accessible concave groove and convex groove splice, convex groove longitudinal section is the zigzag, and the concave groove middle part is equipped with the opening, passes the opening of concave groove with the convex groove from the bottom during the concatenation to the card is established in the concave groove, exerts pressure from the table top, and concave groove and convex groove can form the interlock, exert pressure from the below, but concave groove and convex groove mutually separated.
2. The movable table mechanism for a wheelchair of claim 1, wherein: the inner side of the front end of the armrest is provided with a second slot, and one end of the desk plate can be inserted into the second slot.
3. The movable table mechanism for a wheelchair of claim 2, wherein: still include dog and dog pressure spring, the 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 in accordance with claim 3, wherein: the end part of one end of the desk plate is provided with a limit groove, the width of the limit groove is gradually increased from inside to outside, and the shape of the end part of the stop block extending out of the second blind hole is matched with the shape of the limit groove.
5. The movable table mechanism for a wheelchair of 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 abutted against one end of the desk plate.
6. The movable table mechanism for a wheelchair of claim 5, wherein: the two ejection compression springs are arranged in parallel, and two corresponding first blind holes are also arranged.
7. The movable table mechanism for a wheelchair of claim 1, wherein: the button is characterized in that hanging edges extending towards 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, and one end of each side wing can be abutted against the inner sides of the corresponding hanging edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370359.0A CN110327168B (en) | 2019-05-06 | 2019-05-06 | Movable table plate mechanism for wheelchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370359.0A CN110327168B (en) | 2019-05-06 | 2019-05-06 | Movable table plate mechanism for wheelchair |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110327168A CN110327168A (en) | 2019-10-15 |
| CN110327168B true CN110327168B (en) | 2024-08-16 |
Family
ID=68139504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910370359.0A Active CN110327168B (en) | 2019-05-06 | 2019-05-06 | Movable table plate mechanism for wheelchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110327168B (en) |
Citations (5)
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| TW201028134A (en) * | 2009-01-20 | 2010-08-01 | Univ Nan Kai Technology | Assembled wheelchair table board |
| CN203789507U (en) * | 2014-03-05 | 2014-08-27 | 罗梦 | Multifunctional auditorium chair |
| CN107019859A (en) * | 2017-05-26 | 2017-08-08 | 赵国海 | Fire-retardant escape device ejection mechanism |
| CN208723987U (en) * | 2018-06-13 | 2019-04-09 | 深圳市全益科技有限公司 | The set of data lines of belt supporting frame is at mobile phone shell |
| CN210170320U (en) * | 2019-05-06 | 2020-03-24 | 南京康尼智能技术有限公司 | Movable table plate mechanism for wheelchair |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7534440U (en) * | 1975-10-30 | 1976-03-18 | Anton Schneider Nachf. Ohg Inh. F. U. M. Saupe, 7832 Kenzingen | CHUBLET FOR DESKS AND DGL. |
| FR2743274A1 (en) * | 1996-01-08 | 1997-07-11 | Dapsanse Thierry | Folding table retracted into arm-rest of seat |
| CN201076224Y (en) * | 2007-06-12 | 2008-06-25 | 合富国际股份有限公司 | Movable table panel seat chair structure |
| US20120031565A1 (en) * | 2009-01-28 | 2012-02-09 | Fuji Electric Co., Ltd. | Flexible substrate position control device |
| KR102314032B1 (en) * | 2013-10-25 | 2021-10-15 | 세라록 이노베이션 에이비 | Mechanical locking system for floor panels |
| CN204000915U (en) * | 2014-08-01 | 2014-12-10 | 潘思思 | Building block system splicing ground |
| CN106473444A (en) * | 2016-12-21 | 2017-03-08 | 苍南中学 | Crossbeam pop-up folding table |
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2019
- 2019-05-06 CN CN201910370359.0A patent/CN110327168B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201028134A (en) * | 2009-01-20 | 2010-08-01 | Univ Nan Kai Technology | Assembled wheelchair table board |
| CN203789507U (en) * | 2014-03-05 | 2014-08-27 | 罗梦 | Multifunctional auditorium chair |
| CN107019859A (en) * | 2017-05-26 | 2017-08-08 | 赵国海 | Fire-retardant escape device ejection mechanism |
| CN208723987U (en) * | 2018-06-13 | 2019-04-09 | 深圳市全益科技有限公司 | The set of data lines of belt supporting frame is at mobile phone shell |
| CN210170320U (en) * | 2019-05-06 | 2020-03-24 | 南京康尼智能技术有限公司 | Movable table plate mechanism for wheelchair |
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| Publication number | Publication date |
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| CN110327168A (en) | 2019-10-15 |
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