CN220212474U - Drive-by-wire mounting structure for adjusting depth of chair back - Google Patents
Drive-by-wire mounting structure for adjusting depth of chair back Download PDFInfo
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- CN220212474U CN220212474U CN202321459371.7U CN202321459371U CN220212474U CN 220212474 U CN220212474 U CN 220212474U CN 202321459371 U CN202321459371 U CN 202321459371U CN 220212474 U CN220212474 U CN 220212474U
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- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a wire control installation structure for adjusting the depth of a chair back, which comprises a back main body, a back-following adjusting mechanism arranged at the rear end of the back main body and a wire control assembly arranged on the back main body; the back-following adjusting mechanism comprises an actuator configured to drive the back-following main body to move back and forth; the front end of the actuator is connected with the backrest main body, and the front end of the actuator is provided with a pressing valve; the wire control assembly is arranged on the front side of the backrest main body and comprises a connecting seat arranged on the backrest main body and connected with the front end of the actuator, a rotating piece which is rotatably arranged in the connecting seat and used for acting to press the valve, a wire control switch arranged on the backrest main body and exposed out of the rear end of the backrest main body, and a pull wire connected between the wire control switch and the rotating piece; the adjusting wire control switch can pull the stay wire to drive the rotating piece to rotate, and the rotating piece can act on the pressing valve to drive the actuator to drive the backrest main body to move; the wiring structure is simple and convenient to arrange.
Description
Technical Field
The utility model relates to the field of seats, in particular to a wire control installation structure for adjusting the depth of a chair back.
Background
The child chair is an indispensable tool in leisure, reading and writing of children in family at ordinary times at present, and generally has the functions of stable structure, comfortable riding, convenient movement and the like. Furthermore, the structure of current children's chair is usually that seat support and back of the chair are all installed on fore-and-aft chair pole for seat support and back of the chair can be followed this chair pole and go up and down to adjust, can be according to child's height or user demand to seat support, back of the chair height. In the practical use process of the chair, because different people have different sitting postures or children have different demands on the chair back when using the chair, for example, children with high heights generally need the chair back to a little back due to the shape, so that the children with low heights can have more space on the seat plate, and the children with low heights can not naturally bend when sitting on the chair and lean against the chair back due to the small shape, so that the children sit for a long time, and then the children need the chair back to be a little forward.
Aiming at the situation, a back-following chair with a back-following adjustable back-following chair appears, wherein a back-following adjusting mechanism is arranged between the back of the chair and an installation base body connected with a chair rod, and the back-following adjusting mechanism of the existing back-following chair adopts a gas spring or a gas rod arranged along the front-back direction; so that the chair back can be stably adjusted back and forth. With gas springs or gas sticks, it is often necessary to provide additional drive-by-wire structures to drive the gas spring/gas stick in telescoping motion. However, as the back-tracking adjusting mechanism is directly arranged between the chair back and the chair rod, the arrangement of the wiring and the wire control switch is the existing difficult technology; if the wire control switch is arranged on the armrest or the seat, the wiring is troublesome, and the wire is not exposed outside, so that the wire is not practical and attractive; if the stay wire is arranged in the seat part, complicated wiring lines are required to be designed, and the processing cost is increased; especially when the chair back is in motion, the wires are also involved.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a wire control mounting structure for adjusting the depth of a chair back; the push valve of the actuator can be acted by controlling the wire control switch to adjust the back rest main body to move forwards and backwards; the wire control assembly is arranged in the front side of the backrest main body, and the wiring structure is arranged simply and conveniently by utilizing the space of the backrest main body; when the backrest main body moves, the pull wire is not pulled; the structural design is ingenious.
The technical scheme of the utility model is realized as follows:
a drive-by-wire mounting structure for adjusting a depth of a seatback, the seatback adjustment mechanism including an actuator configured to drive a seatback main body to move forward or backward and stop at a corresponding position; the front end of the actuator is connected with the backrest main body, and the front end of the actuator is provided with a pressing valve; the wire control assembly is arranged on the front side of the backrest main body and comprises a connecting seat arranged on the backrest main body and connected with the front end of the actuator, a rotating piece which is rotatably arranged in the connecting seat and used for acting to press the valve, a wire control switch arranged on the backrest main body and exposed out of the rear end of the backrest main body, and a pull wire connected between the wire control switch and the rotating piece; the adjusting wire control switch can pull the stay wire to drive the rotating piece to rotate, and the rotating piece can act on the pressing valve to unlock or lock the actuator.
Preferably, the actuator is a gas spring or a gas lever.
Preferably, the actuator is configured as a gas spring, a screwed joint is arranged at the front part of the actuator, and the pressing valve is positioned at the front end of the screwed joint; and the threaded joint is penetrated to the front end of the backrest main body from the rear end of the backrest main body, and the connecting seat is in threaded connection with the threaded joint so that the pressing valve is penetrated in the connecting seat. The gas spring with the threaded joint structure can be directly purchased in the prior market, so that the material is more convenient to obtain; and the connecting seat is in threaded connection with the threaded joint and limits the gas spring from being pulled out of the backrest main body backwards.
Preferably, the rotating member is longitudinally arranged and rotationally connected inside the connecting seat, the upper end of the rotating member abuts against the pressing valve, the stay wire is connected to the lower end of the rotating member, and the stay wire is pulled to act on the rotating member to rotate in the connecting seat and press the pressing valve backwards.
Preferably, a wire clamping head is arranged at the upper end of the connecting seat, and the wire is clamped in the wire clamping head and extends downwards to be connected with the rotating piece. The force transmission effect of the stay wire is good, and the rotating piece can effectively act to rotate when the stay wire is pulled.
Preferably, the center of the front end of the backrest main body is provided with an accommodating groove, and the screwed joint of the gas spring and the pressing valve are positioned in the accommodating groove; the connecting seat is arranged in the accommodating groove. And the occupied space of the wire control assembly is thinned.
Preferably, one side of the backrest main body is provided with a matching seat, and the matching seat is in a front-back hollow structure; the wire control switch is rotatably connected in the matching seat and is exposed out of the rear end of the backrest main body. And then, a user only needs to act on the line control switch to rotate from the rear end of the backrest main body, and can pull the stay wire to act on the gas spring to stretch and retract, so that the backrest main body can be adjusted to move back and forth, and the adjustment is very convenient.
Preferably, a front back cover is detachably connected to the front end of the backrest main body. The drive-by-wire assembly is completely hidden inside.
Preferably, the back-following adjusting mechanism comprises a mounting seat and a back connecting piece which is in sliding telescopic fit in the mounting seat; the actuator is disposed between the mount and the back connector in the front-rear direction, and the rear end of the actuator is connected with the mount.
The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:
according to the wire control installation structure for adjusting the depth of the backrest, the backrest main body achieves a front-back adjusting function through the back-following adjusting mechanism connected to the rear end of the backrest main body, and the back-following adjusting mechanism comprises a gas spring connected with the backrest main body; by correspondingly arranging the wire control assembly on the front side of the backrest main body, only the wire control switch is exposed at the rear end of the backrest main body; the control wire control switch can pull the stay wire to drive the rotating piece to rotate, and the rotating piece can act on the pressing valve to drive the gas spring to drive the backrest main body to move back and forth. The wire control assembly does not occupy other spaces of the seat additionally, the space of the backrest main body is utilized, and the wiring structure is arranged more succinctly and conveniently. When the backrest main body moves, the wire control assembly integrally moves along with the backrest main body, so that the pull wire cannot be pulled; the structural design is ingenious.
Drawings
FIG. 1 is a schematic perspective view of a back-following adjusting mechanism at the rear end of a backrest main body in an embodiment of the utility model;
FIG. 2 is a schematic perspective view of the back-rest adjusting mechanism driving the back-rest main body to move forward in the embodiment of the utility model;
FIG. 3 is a schematic perspective view of the air spring positioned in the back-tracking adjustment mechanism in an embodiment of the utility model;
FIG. 4 is a schematic perspective view showing a front side of a backrest body with a steering assembly in accordance with an embodiment of the present utility model;
FIG. 5 is a schematic perspective view of the front end of the rear gas spring penetrating through the accommodating groove in the embodiment of the utility model;
FIG. 6 is a block diagram of a wire control assembly in an embodiment of the present utility model mated with a gas spring;
FIG. 7 is a schematic view of a rotary member acting on a push valve in an embodiment of the present utility model;
fig. 8 is a cross-sectional view of a rotary member in an embodiment of the utility model mated with a push valve in a connector.
The reference numerals are as follows: a backrest main body 1; a back-tracking adjusting mechanism 2; a gas spring 3; pressing the valve 301; a threaded joint 302; a connecting seat 4; a rotating member 5; a wire control switch 6; a pull wire 7; a mounting base 8; a back connector 9; the accommodating groove 10; a wire drawing chuck 11; mating with the seat 12.
Description of the embodiments
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, the term "at least one" refers to one or more, unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The specific embodiments of the present utility model are as follows:
as shown in fig. 1 to 8, the present utility model provides a drive-by-wire installation structure for adjusting the depth of a seatback, which comprises a seatback main body 1, a seatback-following adjusting mechanism 2 arranged at the rear end of the seatback main body 1, and a drive-by-wire assembly arranged on the seatback main body 1; the back-following adjusting mechanism 2 comprises an actuator arranged along the front-back direction, wherein the actuator is configured to drive the back-following main body 1 to move forwards or backwards and stay at a corresponding position, the front end of the actuator is connected with the back-following main body 1, and the front end of the actuator is provided with a pressing valve 301; the wire control assembly is arranged on the front side of the backrest main body 1 and comprises a connecting seat 4 arranged on the backrest main body 1 and connected with an actuator, a rotating piece 5 rotatably arranged on the connecting seat 4 and used for acting on a pressing valve 301, a wire control switch 6 rotatably arranged at the side end of the backrest main body 1 and exposed outside, and a pull wire 7 connected between the wire control switch 6 and the rotating piece 5; then, through the action of the wire control switch 6, the pull wire 7 can be pulled to drive the rotating piece 5 to rotate, and the rotating piece 5 rotates to act on the pressing valve 301 to drive the actuator to drive the backrest main body 1 to move forwards and backwards. Through setting up the drive-by-wire subassembly on back main part 1, do not additionally occupy the seat other spaces, utilized the space of back main part 1 self, structural arrangement is more convenient. When the backrest main body 1 moves, the wire control assembly integrally moves along with the backrest main body 1, so that the stay wire 7 is not pulled; the structural design is ingenious.
As shown in fig. 1-4, the back-following adjusting mechanism 2 includes a mounting seat 8 and a back connecting piece 9 slidably and telescopically fitted in the mounting seat 8, wherein the mounting seat 8 is configured to be connected with a chair rod, and the back connecting piece 9 is configured to be connected to the rear end of the backrest main body 1; the actuator is a gas spring 3 arranged between the mounting seat 8 and the back connecting piece 9 along the front-back direction, the rear end of the gas spring 3 is connected with the mounting seat 8, and the front end of the gas spring 3 is connected with the backrest main body 1; and then when the air spring 3 is driven to do telescopic movement, the back connecting piece 9 can be driven to do telescopic movement back and forth relative to the mounting seat 8, so that the backrest main body 1 can move back and forth.
As shown in fig. 4-8, the front part of the gas spring 3 is provided with a threaded joint 302, the pressing valve 301 is located at the front end of the threaded joint 302, and the gas spring 3 with the threaded joint 302 structure is available on the market and can be purchased directly, so that the materials are more convenient to obtain. Specifically: the threaded joint 302 of the gas spring 3 is penetrated from the rear end of the backrest main body 1 to the front end exposed out of the backrest main body 1, the front end of the backrest main body 1 is provided with a containing groove 10, and the threaded joint 302 of the gas spring 3 and the pressing valve 301 are positioned in the containing groove 10; the connecting seat 4 is arranged in the accommodating groove 10, and the connecting seat 4 is in threaded connection with the threaded joint 302 and limits the gas spring 3 from being pulled out of the backrest main body 1. As shown in fig. 7-8, the pressing valve 301 is located in the connecting seat 4, the rotating member 5 is longitudinally disposed and rotatably connected in the connecting seat 4, the upper end of the rotating member 5 abuts against the pressing valve 301, the pull wire 7 is connected to the lower end of the rotating member 5, and then pulling the pull wire 7 can act on the rotating member 5 to rotate in the connecting seat 4, so that the pressing valve 301 is pressed backwards, and the gas spring 3 performs telescopic motion. And be equipped with the chuck 11 of acting as go-between in the upper end of connecting seat 4, act as go-between 7 joint is in this chuck 11 of acting as go-between and extend down and be connected as far as rotating member 5 for the force conduction effect of acting as go-between 7 is good, when pulling acting as go-between, can effectively act as rotating member 5 and take place to rotate.
As shown in fig. 3-4, a mating seat 12 is provided on one side of the backrest main body 1, and the mating seat 12 has a front-back hollow structure; the wire control switch 6 is rotatably connected in the matching seat 12, and the wire control switch 6 is exposed at the rear end of the backrest main body 1. Then, the user only needs to rotate the drive-by-wire switch 6 from the rear end of the backrest main body 1, and can pull the stay wire 7 to act on the air spring 3 for telescopic movement, so that the backrest main body 1 is adjusted to move forwards, and the adjustment is very convenient.
When the backrest main body 1 is at the forefront position, the gas spring 3 is stretched to the longest, at this time, the person leans back, and after leaning back the backrest main body 1 to the corresponding position, the gas spring 3 is closed, at this time, the backrest main body 1 is fixed at the current position.
When the assembly of the wire control assembly and the backrest main body 1 is completed, a front backrest cover (not shown) is further connected to the front side of the backrest main body 1, so that the wire control assembly is hidden in the backrest main body 1, and only the wire control switch 6 is exposed. Then through setting up accuse line subassembly in back main part 1, reasonable utilization back main part 1's self space for it is more convenient to walk the line setting. The design is such that even if the backrest main body 1 is in the process of movement, the stay wire 7 is not pulled in the backrest main body 1, so that the wire control structure is stable.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (9)
1. The utility model provides a drive-by-wire mounting structure of regulation back of chair degree of depth which characterized in that: the back-rest adjusting mechanism is arranged at the rear end of the back-rest main body, and the wire control assembly is arranged on the back-rest main body; the back-following adjusting mechanism comprises an actuator configured to drive the backrest main body to move forwards or backwards and stop at a corresponding position; the front end of the actuator is connected with the backrest main body, and the front end of the actuator is provided with a pressing valve; the wire control assembly is arranged on the front side of the backrest main body and comprises a connecting seat arranged on the backrest main body and connected with the front end of the actuator, a rotating piece which is rotatably arranged in the connecting seat and used for acting to press the valve, a wire control switch arranged on the backrest main body and exposed out of the rear end of the backrest main body, and a pull wire connected between the wire control switch and the rotating piece; the adjusting wire control switch can pull the stay wire to drive the rotating piece to rotate, and the rotating piece can act on the pressing valve to unlock or lock the actuator.
2. The drive-by-wire mounting structure for adjusting a depth of a seatback of claim 1, wherein: the actuator is a gas spring or a gas lever.
3. The drive-by-wire mounting structure for adjusting a depth of a seatback according to claim 1 or 2, characterized in that: the actuator is configured as a gas spring, a threaded joint is arranged at the front part of the actuator, and the pressing valve is positioned at the front end of the threaded joint; and the threaded joint is penetrated to the front end of the backrest main body from the rear end of the backrest main body, and the connecting seat is in threaded connection with the threaded joint so that the pressing valve is penetrated in the connecting seat.
4. A drive-by-wire mounting structure for adjusting depth of a seat back as defined in claim 3, wherein: the rotating piece is longitudinally arranged and rotationally connected inside the connecting seat, the upper end of the rotating piece abuts against the pressing valve, the stay wire is connected to the lower end of the rotating piece, and the stay wire is pulled to act on the rotating piece to rotate in the connecting seat and press the pressing valve backwards.
5. The drive-by-wire mounting structure for adjusting a depth of a seat back of claim 4, wherein: the upper end of the connecting seat is provided with a stay wire clamping head, and the stay wire is clamped in the stay wire clamping head and extends downwards to be connected with the rotating piece.
6. A drive-by-wire mounting structure for adjusting depth of a seat back as defined in claim 3, wherein: the center of the front end of the backrest main body is provided with an accommodating groove, and a screwed joint of the gas spring and a pressing valve are positioned in the accommodating groove; the connecting seat is arranged in the accommodating groove.
7. The drive-by-wire mounting structure for adjusting a depth of a seatback of claim 1, wherein: one side of the backrest main body is provided with a matching seat which is in a front-back hollow structure; the wire control switch is rotatably connected in the matching seat and is exposed out of the rear end of the backrest main body.
8. The drive-by-wire mounting structure for adjusting a depth of a seatback of claim 1, wherein: the front end of the backrest main body is detachably connected with a front backrest cover.
9. The drive-by-wire mounting structure for adjusting a depth of a seatback of claim 1, wherein: the back-tracking adjusting mechanism comprises a mounting seat and a back connecting piece which is in sliding telescopic fit in the mounting seat; the actuator is disposed between the mount and the back connector in the front-rear direction, and the rear end of the actuator is connected with the mount.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320743216 | 2023-03-31 | ||
| CN2023207432161 | 2023-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220212474U true CN220212474U (en) | 2023-12-22 |
Family
ID=89187132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321459371.7U Active CN220212474U (en) | 2023-03-31 | 2023-06-08 | Drive-by-wire mounting structure for adjusting depth of chair back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220212474U (en) |
-
2023
- 2023-06-08 CN CN202321459371.7U patent/CN220212474U/en active Active
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