CN212447885U - Adjustable backrest of electric tricycle with buffering function - Google Patents
Adjustable backrest of electric tricycle with buffering function Download PDFInfo
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- CN212447885U CN212447885U CN202021189014.XU CN202021189014U CN212447885U CN 212447885 U CN212447885 U CN 212447885U CN 202021189014 U CN202021189014 U CN 202021189014U CN 212447885 U CN212447885 U CN 212447885U
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Abstract
An adjustable backrest of an electric tricycle with a buffering effect comprises a headrest and a back cushion which are connected through a connecting rod, wherein the headrest is connected to the upper end of the connecting rod, and the lower end of the connecting rod is inserted into the upper part of the back cushion; the front end face of the back cushion is provided with a buffer plate mounting hole communicated with the interior of the cavity of the back cushion, the shape and the size of the mounting hole are matched with those of the buffer plate, and one end of the buffer plate penetrates through the mounting hole and is fixed on the inner wall of the back end face of the back cushion, which is opposite to the end face where the mounting hole is located, through an elastic connecting mechanism; the elastic connecting mechanism is a plurality of horizontal sleeves distributed along the buffer plate from top to bottom, one end of each sleeve is fixed on the buffer plate, the other end of each sleeve is suspended, a spring is arranged in each sleeve, one end of each spring is fixed on the buffer plate, the other end of each spring is fixedly connected with one end of a horizontal connecting rod extending into each sleeve, and the other end of each connecting rod is fixedly connected to the inner wall of the rear end face of the back cushion; the backrest has a buffering effect, can be adjusted according to needs, and effectively improves the comfort of the backrest during use.
Description
Technical Field
The utility model relates to an adjustable back of electric tricycle with cushioning effect belongs to electric tricycle technical field.
Background
The electric tricycle product relies on its environmental protection, energy-conservation, convenient and practical advantage, and more the appearance is in people's the field of vision, not only is used for the daily trip of people, and still extensive application is in the trade of hauling goods, but current electric tricycle back structure is fixed, only adopts the sponge to cushion, and the back is fixed, can not adjust according to driver's needs, uses the travelling comfort low.
Disclosure of Invention
To the problem that above-mentioned prior art exists, the utility model provides an adjustable back of electric tricycle with cushioning effect, this back have the cushioning effect, and can adjust the back as required, effectively improve the travelling comfort that the back used.
In order to achieve the purpose, the utility model provides an adjustable backrest of an electric tricycle with a buffer function, which comprises a headrest and a back cushion, wherein the headrest and the back cushion are connected through a connecting rod;
the front end face of the back cushion is provided with a buffer plate mounting hole communicated with the inside of the cavity of the back cushion, the shape and the size of the mounting hole are matched with those of the buffer plate, and one end of the buffer plate penetrates through the mounting hole and is fixed on the inner wall of the back end face of the back cushion opposite to the end face where the mounting hole is located through an elastic connecting mechanism;
the elastic connecting mechanism is a plurality of horizontal sleeves distributed along the buffer plate from top to bottom, one end of each sleeve is fixed on the buffer plate, the other end of each sleeve is suspended, a spring is arranged in each sleeve, one end of each spring is fixed on the buffer plate, the other end of each spring is fixedly connected with one end of a horizontal connecting rod extending into each sleeve, and the other end of each connecting rod is fixedly connected to the inner wall of the rear end face of the back cushion;
the upper end of the limiting block at the lower end of the back cushion is in interference fit with one side, close to the spring compression direction, of the fixing block arranged on the lower end face of the lowest horizontal sleeve, and the upper end of the limiting block at the upper end of the back cushion is in interference fit with one side, close to the spring compression direction, of the fixing block arranged on the lower end face of the highest horizontal sleeve; the upper end limiting block and the lower end limiting block are respectively in sliding fit with a slideway arranged on the inner wall of the upper end face of the back cushion and a slideway arranged on the inner wall of the lower end face of the back cushion;
the lower end surface of the headrest is provided with a fixing plate along the length direction of the headrest, the fixing plate is provided with a plurality of threaded holes along the length direction of the fixing plate, and the lower end surface of the fixing plate is provided with a through notch penetrating through the inside of the fixing plate;
the connecting rod upper end is connected with the fixed plate through the connecting block in a hinged mode, a lug with a through hole is arranged at the upper end of the connecting block, the lug penetrates through the through notch to enter the fixed plate, and the lug is connected with a threaded hole in the fixed plate through a bolt.
Furthermore, two ends of the threaded rod extend out of two sides of the back cushion, and a stop block is arranged at the extending end.
Further, still be equipped with the fixed axle on the lower part both sides terminal surface of back of the body pad, the fixed axle tip rotates the cover and is equipped with the change, fixedly on the change outer wall being equipped with the shelves pole, and keep away from the shelves pole and install the iron plate on the back of the body pad terminal surface towards the buffer board rotation direction, install magnet on the fender face that is close to the iron plate.
Furthermore, a spongy cushion is arranged on the front end face of the buffer plate.
The utility model discloses a setting up of buffer board can effectively promote the use travelling comfort of back main part, buffer board elastic connection back of the body pad, and the adjustable setting of protrusion length of buffer board, effectively promote application range, it removes to drive the stopper through rotatory threaded rod, make the moving range of stopper and fixed block restricted, and then the adjustment buffer board, the operation is convenient, the headrest can be around slide the setting, also vertical tensile, and rotation angle, multidirectional regulation, the scope is extensive, this electric tricycle cushions the back, and is rational in infrastructure, the operation is convenient, characteristics such as travelling comfort height, can extensively promote.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the internal structure of the back pad;
fig. 3 is a schematic view of the internal structure of the fixing plate.
In the figure: 1. connecting rod, 2, headrest, 3, back of the body pad, 4, mounting hole, 5, buffer board, 6, sleeve, 7, spring, 8, connecting rod, 9, threaded rod, 10, stopper, 11, fixed block, 12, slide, 13, fixed plate, 14, screw hole, 15, link up breach, 16, connecting block, 17, lug, 18, dog, 19, fixed axle, 20, change, 21, shelves pole, 22, iron plate, 23, magnet, 24, foam-rubber cushion.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 3, an adjustable backrest of an electric tricycle with a buffering function comprises a headrest 2 and a back cushion 3 which are connected through a connecting rod 1, wherein the headrest 2 is connected to the upper end of the connecting rod 1, and the lower end of the connecting rod 1 is inserted into the upper part of the back cushion 3;
the front end face of the back cushion 3 is provided with a buffer plate mounting hole 4 communicated with the inside of the cavity of the back cushion, the shape and the size of the mounting hole 4 are matched with those of the buffer plate 5, and one end of the buffer plate 5 penetrates through the mounting hole 4 and is fixed on the inner wall of the back end face of the back cushion 3 opposite to the end face where the mounting hole is located through an elastic connecting mechanism;
the elastic connecting mechanism is a plurality of horizontal sleeves 6 distributed along the buffer plate 5 from top to bottom, one end of each sleeve 6 is fixed on the buffer plate 5, the other end of each sleeve 6 is suspended, a spring 7 is arranged in each sleeve, one end of each spring 7 is fixed on the buffer plate 5, the other end of each spring 7 is fixedly connected with one end of a horizontal connecting rod 8 extending into each sleeve 6, and the other end of each connecting rod 8 is fixedly connected to the inner wall of the rear end face of the back cushion 3;
a buffer plate adjusting mechanism is further arranged in the back cushion cavity at the upper end of the uppermost horizontal sleeve 6 and the lower end of the lowermost horizontal sleeve 6, the buffer plate adjusting mechanism comprises a horizontal threaded rod 9 and a limiting block 10, one end of the horizontal threaded rod 9 penetrates out of the back cushion rear end face, the other end of the horizontal threaded rod 9 is fixedly connected to the inner wall of the back cushion front end face, the limiting block 10 is fixedly arranged on the horizontal threaded rod 9, the upper end of the limiting block 10 positioned at the lower end of the back cushion is in interference fit with one side, close to the spring compression direction, of a fixing block 11 arranged on the lower end face of the lowermost horizontal sleeve, and the upper end of the limiting block 10 positioned at the upper end of the back cushion is; the upper end limiting block and the lower end limiting block are respectively in sliding fit with a slideway 12 arranged on the inner wall of the upper end face of the back cushion and a slideway 12 arranged on the inner wall of the lower end face of the back cushion;
a fixing plate 13 is arranged on the lower end surface of the headrest 2 along the length direction of the headrest, a plurality of threaded holes 14 are formed in the fixing plate 13 along the length direction of the fixing plate, and a through notch 15 penetrating the interior of the fixing plate 13 is formed in the lower end surface of the fixing plate 13;
the upper end of the connecting rod 1 is hinged with the fixing plate 13 through a connecting block 16, a lug 17 provided with a through hole is arranged at the upper end of the connecting block 16, and the lug 17 penetrates through the through notch 15 to enter the fixing plate 13 and is connected with a threaded hole in the fixing plate through a bolt.
In order to rotate the threaded rod more laborsavingly, two ends of the threaded rod 9 extend out of two sides of the back cushion 3, and a stop block 18 is arranged at the extending end.
In order to protect a driver during driving, fixing shafts 19 are further arranged on the end faces of the two sides of the lower portion of the back cushion 3, a rotating ring 20 is rotatably sleeved at the end portion of each fixing shaft 19, and a stop lever 21 is fixedly arranged on the outer wall of each rotating ring 20; to facilitate storage when not in use, an iron block 22 is attached to the end face of the back pad facing the direction of rotation of the bumper plate away from the bumper bar, and a magnet 23 is attached to the surface of the bumper plate adjacent to the iron block.
In order to further improve the comfort, a sponge cushion 24 is arranged on the front end face of the buffer plate.
When the headrest is used, the headrest can be stretched towards the headrest, the connecting rod slides along the inside of the back cushion, the height of the headrest is adjusted, the bolt is detached, the fixing plate can slide forwards and backwards, after the headrest is moved forwards and backwards to a required position, the bolt is screwed in, the bolt penetrates through the fixing plate and the lug to fix the bolt in a threaded manner, the headrest finishes the adjustment of the forward and backward sliding, the headrest is turned over, the connecting rod is hinged with the fixing plate, the headrest swings forwards and backwards, the adjustment range is wide, the headrest is more suitable for the placement of the head, the back of a driver leans against the buffer plate, the fixing block is attached to the limiting block in the original state, the sleeve is stressed in the direction of the connecting rod, the spring contracts, the fixing block is far away from the limiting block, the buffer plate is buffered, the comfort of people when the headrest leans against the back is improved, when the buffer, make the sleeve when the return, fixed block and stopper laminate in advance, and then the pop-up scope of adjustment buffer board, also make the buffering of buffer board feel diminish, adjust according to people's user demand, this electric tricycle cushion back that carries cargo, it is rational in infrastructure, have the operation facility, characteristics such as travelling comfort height can extensively promote.
Claims (4)
1. An adjustable backrest of an electric tricycle with a buffering effect is characterized by comprising a headrest and a back cushion which are connected through a connecting rod, wherein the headrest is connected to the upper end of the connecting rod, and the lower end of the connecting rod is inserted into the upper part of the back cushion;
the front end face of the back cushion is provided with a buffer plate mounting hole communicated with the inside of the cavity of the back cushion, the shape and the size of the mounting hole are matched with those of the buffer plate, and one end of the buffer plate penetrates through the mounting hole and is fixed on the inner wall of the back end face of the back cushion opposite to the end face where the mounting hole is located through an elastic connecting mechanism;
the elastic connecting mechanism is a plurality of horizontal sleeves distributed along the buffer plate from top to bottom, one end of each sleeve is fixed on the buffer plate, the other end of each sleeve is suspended, a spring is arranged in each sleeve, one end of each spring is fixed on the buffer plate, the other end of each spring is fixedly connected with one end of a horizontal connecting rod extending into each sleeve, and the other end of each connecting rod is fixedly connected to the inner wall of the rear end face of the back cushion;
the upper end of the limiting block at the lower end of the back cushion is in interference fit with one side, close to the spring compression direction, of the fixing block arranged on the lower end face of the lowest horizontal sleeve, and the upper end of the limiting block at the upper end of the back cushion is in interference fit with one side, close to the spring compression direction, of the fixing block arranged on the lower end face of the highest horizontal sleeve; the upper end limiting block and the lower end limiting block are respectively in sliding fit with a slideway arranged on the inner wall of the upper end face of the back cushion and a slideway arranged on the inner wall of the lower end face of the back cushion;
the lower end surface of the headrest is provided with a fixing plate along the length direction of the headrest, the fixing plate is provided with a plurality of threaded holes along the length direction of the fixing plate, and the lower end surface of the fixing plate is provided with a through notch penetrating through the inside of the fixing plate;
the connecting rod upper end is connected with the fixed plate through the connecting block in a hinged mode, a lug with a through hole is arranged at the upper end of the connecting block, the lug penetrates through the through notch to enter the fixed plate, and the lug is connected with a threaded hole in the fixed plate through a bolt.
2. The adjustable backrest of electric tricycle with buffer function as claimed in claim 1, wherein the two ends of the threaded rod extend out of the two sides of the back cushion, and the extended end is provided with a stop.
3. The adjustable backrest of an electric tricycle with a buffering function as claimed in claim 1 or 2, wherein the back cushion is further provided with a fixed shaft on the end surfaces of two sides of the lower portion of the back cushion, a rotating ring is rotatably sleeved on the end portion of the fixed shaft, a stop lever is fixedly arranged on the outer wall of the rotating ring, an iron block is mounted on the end surface of the back cushion, which is far away from the stop lever and faces the rotation direction of the buffering plate, and a magnet is mounted on the surface of the stop lever, which is close to the iron block.
4. The adjustable backrest of electric tricycle with buffer function as claimed in claim 3, wherein a sponge cushion is provided on the front end surface of the buffer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021189014.XU CN212447885U (en) | 2020-06-24 | 2020-06-24 | Adjustable backrest of electric tricycle with buffering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021189014.XU CN212447885U (en) | 2020-06-24 | 2020-06-24 | Adjustable backrest of electric tricycle with buffering function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212447885U true CN212447885U (en) | 2021-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021189014.XU Active CN212447885U (en) | 2020-06-24 | 2020-06-24 | Adjustable backrest of electric tricycle with buffering function |
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| CN (1) | CN212447885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276743A (en) * | 2021-04-23 | 2021-08-20 | 武汉交通科技研究院有限责任公司 | Safety protection device for automatic driving of automobile and protection method thereof |
-
2020
- 2020-06-24 CN CN202021189014.XU patent/CN212447885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113276743A (en) * | 2021-04-23 | 2021-08-20 | 武汉交通科技研究院有限责任公司 | Safety protection device for automatic driving of automobile and protection method thereof |
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