CN213414041U - Back frame structure of adjusting backrest - Google Patents
Back frame structure of adjusting backrest Download PDFInfo
- Publication number
- CN213414041U CN213414041U CN202022341636.6U CN202022341636U CN213414041U CN 213414041 U CN213414041 U CN 213414041U CN 202022341636 U CN202022341636 U CN 202022341636U CN 213414041 U CN213414041 U CN 213414041U
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- hole
- backrest
- connecting rod
- frame body
- fixed strip
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Abstract
The utility model relates to a rear frame structure of adjusting backrest, which comprises a frame body, wherein the frame body comprises a U-shaped connecting plate, the U-shaped connecting plate is positioned at the side surface of the frame body, a backrest support is connected with the frame body, the backrest support is positioned at the middle position of the U-shaped connecting plate, a slide way is arranged on the U-shaped connecting plate, clamping holes are arranged on the slide way, 6 clamping holes are arranged symmetrically left and right, and a cylindrical bulge is arranged at the inner side of each clamping hole; the backrest support lower part be provided with the fixed strip, the fixed strip is provided with 2 and bilateral symmetry and arranges, the fixed strip tip is provided with the connecting block, the connecting block card is on the slide, the connecting block is provided with first hole, the fixed strip include first connecting rod, the card has the second connecting rod on the first connecting rod, first connecting rod has set gradually 2 fixture blocks, the fixture block is connected with the second hole cooperation on the second connecting rod.
Description
Technical Field
The utility model belongs to the technical field of the electric motor car, a back frame construction of adjustable back is related to.
Background
More and more people choose to use the electric motor car as daily car of riding instead of walk, along with the extensive use of electric motor car, people are when paying close attention to electric motor car security performance, still improve to some extent the requirement of electric motor car comfort level, and the comfort level of back is one of the main factor of the comfort level of electric motor car, and traditional electric motor car is firmly fixed on the frame of back, and is not portable, and the people by bike basically can not lean on the back, makes the comfort level greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to improve prior art's defect, provide one kind and can adjust the back rear frame structure of distance according to people's quantity and fat thin degree, solved people in the use back distance too far with the problem of comfort level.
The purpose of the utility model is realized like this: a rear frame structure for adjusting a backrest comprises a frame body, wherein the frame body comprises a U-shaped connecting plate, the U-shaped connecting plate is located on the side face of the frame body, a backrest support is connected with the frame body, the backrest support is located in the middle of the U-shaped connecting plate, a slide way is arranged on the U-shaped connecting plate, clamping holes are formed in the slide way, 6 clamping holes are symmetrically arranged in the left-right direction, and cylindrical protrusions are arranged on the inner side of each clamping hole; the backrest support lower part be provided with the fixed strip, the fixed strip is provided with 2 and bilateral symmetry and arranges, the fixed strip tip is provided with the connecting block, the connecting block card is on the slide, the connecting block is provided with first hole, the fixed strip include first connecting rod, the card has the second connecting rod on the first connecting rod, first connecting rod has set gradually 2 fixture blocks, the fixture block is connected with the second hole cooperation on the second connecting rod.
Furthermore, the top of the fixing strip is provided with a convex block which is fixedly connected with the backrest support through a screw.
Further preferably, the middle part of the U-shaped connecting plate is provided with a protruding plate, and the protruding plate is provided with a third hole.
Still further, frame body tip be provided with two stationary blades in opposite directions, the stationary blade middle part is provided with the screw.
Furthermore, a back cushion connecting hole is formed in the lower portion of the backrest support, a triangular plate is arranged at the top of the backrest support, and a through hole is formed in a position close to each corner of the triangular plate.
The technical effects of the utility model: the utility model discloses a back frame structure of adjusting back is provided with the slide on the U type connecting plate, and back support lower part is provided with the fixed strip, and the fixed strip tip is provided with the connecting block, and the connecting block card is on the slide, through the slip that the connecting block makes a round trip on the slide, drives the removal of fixed strip, and then makes back support slide around going on; be provided with the card hole on the slide, the card hole is provided with 6 and bilateral symmetry and arranges, card downthehole side be provided with the cylinder arch, be provided with first hole on the connecting block, such structure makes the connecting block slide to the distance and just corresponds the cylinder arch, thereby the cylinder arch inserts first hole and fixes the fixed strip, and then fixes the back support. The utility model discloses the back can carry out fore-and-aft removal according to people's needs among the back frame construction of adjusting the back, greatly increased the comfort level.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a block diagram of a rear frame structure for adjusting a backrest;
FIG. 2 is an enlarged view of the back bracket;
FIG. 3 is an enlarged view of the card hole;
fig. 4 is an enlarged view of the fixing strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 shows a rear frame structure for adjusting a backrest, which includes a frame body 10, the frame body 10 includes a U-shaped connecting plate 11, the U-shaped connecting plate 11 is located on a side surface of the frame body 10, a backrest bracket 20 is connected to the frame body 10, the backrest bracket 20 is located in a middle position of the U-shaped connecting plate 11, a slide rail 111 is provided on the U-shaped connecting plate 11, a fixing strip 21 is provided on a lower portion of the backrest bracket 20 shown in fig. 2, a connecting block 211 is provided on an end portion of the fixing strip 21, the connecting block 211 is clamped on the slide rail 111, and the fixing strip 21 is driven to move by the back-and-forth sliding of the connecting block 211 on the slide rail 111, so that the; the slide rail 111 shown in fig. 3 is provided with 6 locking holes 111a, the locking holes 111a are arranged in bilateral symmetry, the inner side of the clamping hole 111a is provided with a cylindrical protrusion 111b, the arrangement of 6 clamping holes 111a can enable people to adjust the backrest distance according to different requirements, the connecting block 211 shown in fig. 4 is provided with a first hole 211a, the fixing bar 21 includes a first connecting rod 212, a second connecting rod 213 is clamped on the first connecting rod 212, the first connecting rod 212 is sequentially provided with 2 blocks 212a, the blocks 212a are matched and connected with a second hole 213a on the second connecting rod 213, the first connecting rod 212 and the second connecting rod 213 are fixedly connected through 2 blocks 212a, the two latch blocks 212a of the first link 212 are all inserted into the two second holes 213a of the second link 213 when the backrest is adjusted to be backward, and the backward latch block 212a of the first link 212 is inserted into the backward second hole 213a of the second link 213 as the backrest gets closer to the riding person.
Further, the top of the fixing bar 21 shown in fig. 1 is provided with a protrusion 214, and the protrusion 214 is fixedly connected with the backrest support 20 through a screw, so that the fixing bar 21 is fixed on the backrest support 20.
Preferably, a protruding plate 12 is arranged in the middle of the U-shaped connecting plate 11 shown in fig. 1, the protruding plate 12 is provided with a third hole 121, and a screw is inserted into the third hole 121 to fixedly connect the U-shaped connecting plate 11 with the integral bracket of the electric vehicle.
Still further, the end of the frame body 10 shown in fig. 1 is provided with two opposite fixing pieces 13, the middle of the fixing piece 13 is provided with a screw hole 131, and a screw for fixing the frame body 10 is inserted into the screw hole 131.
Still further, a back cushion connecting hole 22 is formed at a lower portion of the back support 20 shown in fig. 1 for a screw for fixing the lower back cushion to pass through, and further, the back cushion is connected and fixed, a triangular plate 23 is formed at a top portion of the back support 20, a through hole 231 is formed at a position close to each corner of the triangular plate 23, and a screw for fixing the upper back cushion is passed through, and further, the upper back cushion is fixedly connected.
The utility model discloses the back can carry out fore-and-aft removal according to people's needs among the back frame construction of adjusting the back, greatly increased the comfort level.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, all of which are intended to be included within the scope of the invention.
Claims (5)
1. The utility model provides an adjust back frame structure of back, includes frame body (10), and frame body (10) are including U type connecting plate (11), and U type connecting plate (11) are located the side of frame body (10), and back support (20) are connected with frame body (10), and back support (20) are located U type connecting plate (11) middle part position, its characterized in that: the U-shaped connecting plate (11) is provided with a slide way (111), the slide way (111) is provided with clamping holes (111a), the clamping holes (111a) are provided with 6 clamping holes which are symmetrically arranged in the left-right direction, and the inner side of each clamping hole (111a) is provided with a cylindrical bulge (111 b); backrest support (20) lower part be provided with fixed strip (21), fixed strip (21) be provided with 2 and bilateral symmetry and arrange, fixed strip (21) tip is provided with connecting block (211), connecting block (211) card is on slide (111), connecting block (211) are provided with first hole (211a), fixed strip (21) including first connecting rod (212), the card has second connecting rod (213) on first connecting rod (212), first connecting rod (212) have set gradually 2 fixture blocks (212a), fixture block (212a) and second hole (213a) on second connecting rod (213) cooperate and be connected.
2. A rear frame structure of an adjustable backrest according to claim 1, characterized in that: the top of the fixing strip (21) is provided with a convex block (214), and the convex block (214) is fixedly connected with the backrest support (20) through a screw.
3. A rear frame structure of an adjustable backrest according to claim 1, characterized in that: the middle part of the U-shaped connecting plate (11) is provided with a protruding plate (12), and the protruding plate (12) is provided with a third hole (121).
4. A rear frame structure of an adjustable backrest according to claim 1, characterized in that: the frame is characterized in that two opposite fixing pieces (13) are arranged at the end part of the frame body (10), and a screw hole (131) is formed in the middle of each fixing piece (13).
5. A rear frame structure of an adjustable backrest according to claim 1, characterized in that: the backrest is characterized in that a backrest connecting hole (22) is formed in the lower portion of the backrest support (20), a triangular plate (23) is arranged at the top of the backrest support (20), and a through hole (231) is formed in the position close to each corner of the triangular plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341636.6U CN213414041U (en) | 2020-10-20 | 2020-10-20 | Back frame structure of adjusting backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022341636.6U CN213414041U (en) | 2020-10-20 | 2020-10-20 | Back frame structure of adjusting backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213414041U true CN213414041U (en) | 2021-06-11 |
Family
ID=76268602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022341636.6U Active CN213414041U (en) | 2020-10-20 | 2020-10-20 | Back frame structure of adjusting backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213414041U (en) |
-
2020
- 2020-10-20 CN CN202022341636.6U patent/CN213414041U/en active Active
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