CN216364374U

CN216364374U - Stay wire control assembly and seat stay wire adjusting mechanism

Info

Publication number: CN216364374U
Application number: CN202122279410.2U
Authority: CN
Inventors: 毛立; 孙杰; 沈杰; 陆翰南; 魏磊
Original assignee: Sunon Technology Co Ltd
Current assignee: Sunon Technology Co Ltd
Priority date: 2021-09-18
Filing date: 2021-09-18
Publication date: 2022-04-26
Anticipated expiration: 2031-09-18

Abstract

The utility model discloses a stay wire control assembly and a seat stay wire adjusting mechanism, which comprise a base, a rotating part and a control wrench, wherein the rotating part is used for connecting a stay wire; controlling the wrench to rotate so as to drive the rotating piece to rotate synchronously; the base is provided with an elastic limiting piece, the elastic limiting piece is provided with a contraction part which is positioned in the middle position and can elastically contract and abutting parts which are respectively positioned on two sides of the contraction part and are symmetrical, and the abutting parts are inclined relative to the contraction part; the rotating piece is correspondingly provided with a locking bulge; the rotating piece is provided with a locking position and an unlocking position, and the locking protrusion is positioned on one side of the elastic limiting piece and is abutted and matched with the abutting part on the side under the locking position; under the unlocking position, the wrench is controlled to rotate to drive the rotating piece to rotate, so that the locking protrusion is extruded to act on the contraction part and rotates to the other side of the elastic limiting piece, and the locking protrusion is abutted and matched with the abutting part at the side so that the rotating piece stays at the unlocking position; the base is arranged on the supporting component, and the pull wire is connected to the rotating part; the pull wire can be moved by adjusting and controlling the wrench to rotate.

Description

Stay wire control assembly and seat stay wire adjusting mechanism

Technical Field

The utility model relates to the field of seat stay wire control, in particular to a stay wire control assembly and a seat stay wire adjusting mechanism.

Background

The chair is a piece of furniture which is indispensable when people work or have a rest, and plays a role in bearing the weight of people. The existing chair usually has the functions of adjusting the inclination and the back of the chair, lifting the chair seat or the chair back and the like; most of the function adjustment is controlled by controlling the movement of the pull wire, however, the pull wire control assembly is usually arranged below the seat chassis, when a user needs to adjust the lifting of the seat, the user usually needs to bend down the waist handle to extend into the lower part of the chassis to operate the control assembly to adjust the lifting, and the operation is very inconvenient; the control switch assembly is often entirely exposed below the chassis, and the pull wire is connected in the control switch assembly; the whole volume is larger, and the appearance of the structure below the seat is influenced.

In addition, in the pull-wire control assembly of the existing seat, a locking mechanism is often required to be additionally arranged to realize locking after the pull-wire movement, so that the pull-wire can stay at an unlocking position, and a user can conveniently realize seat function adjustment; this results in a more complex construction of the pull string control assembly.

To solve the above problems, a pull wire control assembly with simple structure, small volume and convenient operation needs to be designed.

Disclosure of Invention

The utility model overcomes the defects in the prior art and provides the pull wire control assembly with simple structure and ingenious design; the base is provided with a rotating part used for connecting the stay wire and a control wrench capable of driving the rotating part to rotate; the elastic limiting piece can be in extrusion contact fit with the locking protrusion on the rotating piece, and the elastic limiting piece can play a limiting role; the rotating piece can rotate to the two sides of the elastic limiting piece respectively and is in butt fit with the abutting portion, and then the rotating piece can be conveniently adjusted to be switched and stopped between a locking position and an unlocking position through rotating the control wrench; simple structure and convenient operation.

The base is arranged on the supporting component, and the supporting component can be a chair back component or a chair seat component, so that the pull wire control component can be designed at a position convenient to operate according to requirements, and the design is more flexible; and the bracing wire control assembly has a simple structure and small volume, can be arranged on the support assembly, and only enables the control wrench to be exposed outside, so that the whole structure is simpler and more attractive.

The technical scheme of the utility model is realized as follows:

a stay wire control assembly comprises a base, a rotating part arranged on the base and used for connecting a stay wire, and a control wrench connected to the rotating part; controlling the wrench to rotate relative to the base to drive the rotating member to rotate synchronously; the base is provided with an elastic limiting piece, the elastic limiting piece is provided with a contraction part which is positioned in the middle position and can elastically contract and abutting parts which are respectively positioned on two sides of the contraction part and are symmetrical, and the abutting parts are inclined relative to the contraction part; the rotating piece is correspondingly provided with a locking bulge which is in extrusion contact fit with the elastic limiting piece; the rotating piece is provided with a locking position and an unlocking position, and the locking protrusion is positioned on one side of the elastic limiting piece and is abutted and matched with the abutting part on the side under the locking position; under the position of unblock, effect control spanner rotates in order to drive and rotates a rotation, makes the protruding extrusion of locking act on the pars contractilis and rotate to elasticity locating part opposite side, and the protruding butt cooperation of butt portion that is in this side of locking makes and rotates the piece and stop at this unblock position.

Preferably, the base is provided with a fixed clamping seat for mounting the elastic limiting member, and the elastic limiting member is clamped into and limited in the fixed clamping seat. Through setting up fixed cassette in order to install elasticity locating part for connect conveniently, need not in addition through screwed connection, simplify the structure.

Preferably, the two fixed clamping seats are arranged in a mirror image manner, and the elastic limiting piece is limited between the two fixed clamping seats; and the shapes of the two fixed clamping seats are respectively matched with the shapes of the two sides of the elastic limiting part. The elastic limiting part has elasticity, and is enabled to be effectively limited in the fixed clamping seat by arranging the fixed clamping seat with the shape matched with the elastic limiting part, and elastic deformation can be generated.

Preferably, the contracting portion and the abutting portion are portions where the elastic stoppers are exposed between the two fixed cartridges. The locking protrusion can directly extrude and act on the elastic limiting part, so that the elastic limiting part elastically deforms in the fixed clamping seat.

Preferably, the elastic limiting piece is made of a spring steel sheet. High strength and durability, and long service life.

Preferably, the fixed clamping seat is made of plastic materials, and the fixed clamping seat and the base are integrally formed in an injection molding mode. The processing and the manufacturing are convenient.

Preferably, the rotating part is of a cam structure, and a connecting hole connected with the pull wire is formed in one end, far away from the locking protrusion, of the rotating part. The connecting position of the pull wire is far away from the locking bulge, so that the pull wire has enough movement stroke in the rotation process of the rotating piece.

Preferably, the control wrench is provided with a rotating shaft perpendicular to the base, the base is correspondingly provided with a rotating shaft seat with a shaft hole, and the rotating shaft is rotatably matched in the rotating shaft seat; the rotating shaft penetrates through the shaft hole and is connected with the rotating piece through a screw. Only one screw is needed to be connected, so that the control wrench and the rotating piece can be connected on the base, and the connection is convenient.

Preferably, the end part of the rotating shaft is provided with a clamping block, and the rotating part is correspondingly provided with a clamping groove; the clamping block is clamped in the clamping groove so that the rotating shaft and the rotating piece are circumferentially fixed. The rotation control wrench can effectively drive the rotation part to rotate.

Preferably, the base is further provided with a stay wire positioning seat connected with a stay wire, and the connecting hole moves towards the direction far away from the stay wire positioning seat in the process that the rotating piece rotates from the locking position to the unlocking position. Therefore, the rotating piece tends to pull the pull wire to move in the process of rotating from the locking position to the unlocking position.

A chair stay wire adjusting mechanism comprises a supporting component, a stay wire and a stay wire control component, wherein the supporting component is a chair back component or a chair seat component of a chair, a base is installed on the supporting component, and a control wrench is exposed out of the supporting component; the end part of the pull wire is connected to the rotating piece.

Preferably, the support assembly is a seat assembly of the seat, and the seat assembly comprises side frames positioned at two sides; the upper end face of the side frame is provided with a mounting groove; the base sets up in this mounting groove, and controls the spanner and expose the bottom at the side frame.

Preferably, the control wrench is provided with a rotating shaft perpendicular to the base, and the mounting groove is internally provided with an avoidance hole for the avoidance rotating shaft to pass through; the rotating shaft penetrates through the avoiding hole to be matched with the base in a rotating mode and is connected with the rotating piece through a screw.

The design starting point, the idea and the beneficial effects of the utility model adopting the technical scheme are as follows:

firstly, the utility model provides a pull wire control assembly with simple structure and ingenious design; a rotating part used for connecting the stay wire and a control wrench capable of driving the rotating part to rotate are arranged on the base; the base is additionally provided with an elastic limiting piece which can be in extrusion contact with and matched with the locking bulge on the rotating piece, and the elastic limiting piece is provided with a contraction part which is positioned in the middle position and can be elastically contracted and abutting parts which are respectively positioned on two sides of the contraction part and are symmetrical, so that the limiting effect on the rotating piece is realized; the rotating piece can rotate to the two sides of the elastic limiting piece respectively and is in butt fit with the abutting portion, and then the rotating piece can be conveniently adjusted to be switched and stopped between a locking position and an unlocking position through rotating the control wrench; the effect of pulling the stay wire is achieved; the operation is very light and labor-saving.

Secondly, the elastic limiting piece is made of a spring steel sheet, so that the strength is high, the durability is high, and the service life is prolonged; the fixed clamping seat is correspondingly arranged on the base to install the elastic limiting piece, so that the connection is simple, and the elastic limiting piece is only clamped on the fixed clamping seat; and the spring steel sheet and the fixed clamping seat have small volumes and do not occupy too much space, so that the whole size of the stay wire control assembly is small and exquisite.

In addition, the abutting effect of the abutting parts on the two sides of the elastic limiting part and the locking lug is utilized, so that the rotating part can effectively stay at the locking position and the unlocking position, and a user can conveniently and correspondingly adjust the function of the seat; and during operation, the rotating part can be driven to rotate only by rotating the control wrench and overcoming the extrusion elastic force between the contraction part and the locking bulge, and the operation is simple.

Moreover, the base is arranged on the support assembly, and the support assembly can be a chair back assembly or a chair seat assembly, so that the pull wire control assembly can be designed at a position convenient to operate as required, and the design is more flexible; and the bracing wire control assembly has a simplified structure and a small volume, can be arranged on the support assembly, only enables the control wrench to be exposed outside, enables the whole structure to be simpler and more beautiful, and meets the modern simple aesthetic requirements.

Drawings

FIG. 1 is a schematic perspective view of a pull wire control assembly connected to a pull wire according to an embodiment of the present invention;

FIG. 2 is a perspective view of the rear of the pull control assembly of an embodiment of the present invention;

FIG. 3 is an exploded view of a pull wire control assembly in an embodiment of the present invention;

FIG. 4 is a perspective view of an embodiment of the present invention with the locking protrusion in the locked position;

FIG. 5 is a schematic perspective view of an embodiment of the present invention with the locking projection in an unlocked position;

FIG. 6 is a schematic perspective view of a support assembly according to an embodiment of the present invention;

FIG. 7 is a schematic perspective view of the seat wire adjustment mechanism in an embodiment of the present invention;

fig. 8 is a perspective view of the connection between the wire control assembly and the side frame according to the embodiment of the present invention.

The figures are numbered: a base 1; a rotating member 2; a control wrench 3; a rotating shaft 3 a; an elastic limiting member 4; a locking protrusion 5; a rotating seat 6; the shaft hole 6 a; a fixture block 7; a card slot 8; a screw 9; fixing the card holder 10; a constricted portion 4 a; an abutting portion 4 b; a locking projection 2 a; a locking position A; unlocking the position B; a connecting hole 11; a stay wire positioning seat 12; a pull wire 13; a support assembly 14; a side frame 15; a mounting groove 16; avoiding the hole 17.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

In the description of the present invention, the term "at least one" means one or more than one 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.

In the description of the present invention, the surface where the rotating member is located is the front surface of the base, and the surface where the rotating shaft is located is the back surface of the base.

The specific embodiment of the utility model is as follows:

as shown in fig. 1 to 5, the present invention provides a bracing wire control assembly, which comprises a base 1, a rotating member 2 disposed on the base 1 for connecting a bracing wire, and a control wrench 3 connected to the rotating member 2; the control wrench 3 is acted to rotate relative to the base 1 to drive the rotating part 2 to rotate synchronously; an elastic limiting piece 4 is further arranged on the base 1, and a locking protrusion 5 which is contacted with the elastic limiting piece 4 and is in extrusion fit with the rotating piece 2 is arranged on the rotating piece; the elastic limiting member 4 can limit the rotating member 2, and the rotating member 2 has a locking position a and an unlocking position B.

Specifically, the method comprises the following steps: as shown in fig. 1-3, a rotating shaft 3a perpendicular to the base 1 is provided on the control wrench 3, a protruding rotating shaft seat 6 is correspondingly provided on the base 1, a shaft hole 6a is provided on the rotating shaft seat 6, and the rotating shaft 3a is rotatably fitted in the shaft hole 6 a; the rotating shaft 3a penetrates through the shaft hole 6a and is continuously connected with the rotating piece 2; as shown in fig. 3, the control wrench 3 is connected to the back surface of the base 1, and the rotating member 2 is disposed on the front surface of the base 1; a clamping block 7 is arranged at the end part of the rotating shaft 3a, a clamping groove 8 is correspondingly arranged on the rotating part 2, and the clamping block 7 is clamped in the clamping groove 8 so as to ensure that the rotating shaft 3a and the rotating part are circumferentially fixed; then will rotate piece 2 and be connected with pivot 3a through screw 9, make control spanner 3 and rotate piece 2 and all connect on the base then, through a screwed connection, it can to connect conveniently.

As shown in fig. 2 to 5, the elastic limiting member 4 is disposed on the back surface of the base 1, and the elastic limiting member 4 is integrally formed by bending a spring steel sheet, so that it has elasticity and high strength; as shown in fig. 3, the elastic limiting member 4 is a bilateral symmetry structure, and both ends of the elastic limiting member 4 are shaped like a "V"; two symmetrical fixed clamping seats 10 for installing the elastic limiting piece 4 are correspondingly arranged on the base 1, and the shapes of the two fixed clamping seats 10 are respectively matched with the shapes of two sides of the elastic limiting piece 4; so that the elastic limiting piece 4 can be directly installed between the two fixed clamping seats 10; under the action of the fixed clamping seat 10, the elastic limiting member 4 can be deformed under stress and cannot be separated from the fixed clamping seat 10. After the elastic limiting member 4 is installed on the fixed card seat 10, the portion of the elastic limiting member 4 exposed outside the fixed card seat 10 includes a contractible portion 4a located at a middle position and capable of elastic contraction and abutting portions 4b located at two sides of the contractible portion 4a, and the abutting portions 4b are inclined with respect to the contractible portion 4 a.

Further, the following steps are carried out: as shown in fig. 2-5, the rotating member 2 is a cam structure, and the rotating member 2 is further provided with a locking protrusion 2a protruding outward, and the locking protrusion 2a protrudes out of the back surface of the base 1 and is just in contact with the elastic limiting member 4 for pressing fit; a connecting hole 11 for connecting a pull wire is further formed in one end, away from the locking protrusion 2a, of the rotating piece 2, a pull wire positioning seat 13 is arranged on the back face of the base 1, and then the position of the connecting hole 11 can be adjusted by controlling the rotating piece 2 to rotate; specifically, the method comprises the following steps: as shown in fig. 4, when the rotating member 2 is located at the lock position a, the locking protrusion 2a is located at a side of the elastic limiting member 4 away from the wire positioning seat 13 and is in abutting engagement with the abutting portion 4b at the side, and the locking protrusion 2a is in abutting engagement with the abutting portion 4b so that the rotating member 2 can stay at the lock position a. As shown in fig. 5, when the rotating member 2 needs to be adjusted to the unlocking position B, the wrench 3 only needs to be controlled to rotate to drive the rotating member 2 to rotate, the locking protrusion 2a will extrude the contracting portion 4a to elastically contract the elastic limiting member 4, and then rotate to one side of the elastic limiting member 4 close to the stay wire positioning seat 13, the elastic limiting member 4 elastically resets, so that the locking protrusion 2a is abutted and matched with the abutting portion 4B again, and the rotating member 2 can stop at the unlocking position B. Then, the rotating part 2 can be effectively adjusted to the locking position A or the unlocking position B by rotating the control wrench 3, and the locking protrusion 2a is abutted and matched with the abutting part 4a to enable the rotating part 2 to be stopped at the locking position A or the unlocking position B at will, so that the operation is more convenient and labor-saving.

The present invention, as illustrated in fig. 6-8, in turn provides a seat cable adjustment mechanism comprising a cable 13, a support assembly 14, and the cable management assembly described above; the base 1 is arranged on the supporting component, and the control wrench 3 is exposed out of the supporting component 14, so that the operation of a user is convenient; the pull wire 13 is connected to the connecting hole 11 of the rotating member 2, and then the movement of the pull wire 13 can be effectively controlled by rotating the control wrench 3. In addition, the support assembly 14 can be either a seat assembly or a back assembly of the seat, so that the pull line control assembly can be designed to be in a position convenient for operation as required; in this embodiment, the support assembly 14 is a seat assembly of the seat on which the wire control assembly is mounted.

Specifically, the method comprises the following steps: as shown in fig. 8, the seat assembly includes side frames 15 located at two sides, an installation groove 16 for placing the base 1 is provided on an upper end surface of the side frame 15, and an avoidance hole 17 for passing through a rotating shaft 3a of the avoidance control wrench 3 is provided in the installation groove 16; during the installation, base 1 sets up in mounting groove 16, and control spanner 3's pivot 3a passes dodge hole 17 from the lower terminal surface of side frame 15 to through screwed connection on rotating piece 2, even base 1 locks on side frame 15, connection structure is simple reliable. As shown in fig. 6-7, the front profile of the base 1 is configured to match the profile of the side frame 15, so that after installation, the joint between the base 1 and the side frame 15 is flat and does not affect the structure of the seat assembly; as shown in fig. 6, after the installation, the upper surface of the seat unit can be normally performed with the screen process, and the control wrench 3 is exposed at the lower end of the seat unit; the structure is very simple and beautiful, and the normal use of the seat component is not influenced. In conclusion, the seat stay wire adjusting mechanism has the advantages that the stay wire control assembly is small in size, and the stay wire control part does not need to be arranged at the lower end of the seat assembly like a traditional seat; the pull wire control assembly can be hidden in the seat assembly, and only the control wrench 3 is exposed outside, so that the operation is convenient; thereby making the seat structure simple and beautiful and meeting modern aesthetic requirements. Secondly, the locking protrusion 2a is matched with the elastic limiting piece 4, so that the steering piece 2 can be effectively adjusted to be switched between a locking position A and an unlocking position B and stay, the control mechanism connected with the stay wire 13 can be conveniently controlled to be unlocked and locked, and the functional adjustment of the seat is realized; the control mechanism connected to the pull wire 13 is a control mechanism commonly used in the prior art for adjusting the function of the seat, and how to realize the control and the connection with the pull wire 13 is not the focus of the present invention, and therefore, the details are not described herein.

Claims

1. A pull wire control assembly characterized by: comprises a base, a rotating part arranged on the base and used for connecting a stay wire, and a control wrench connected to the rotating part; controlling the wrench to rotate relative to the base to drive the rotating member to rotate synchronously; the base is provided with an elastic limiting piece, the elastic limiting piece is provided with a contraction part which is positioned in the middle position and can elastically contract and abutting parts which are respectively positioned on two sides of the contraction part and are symmetrical, and the abutting parts are inclined relative to the contraction part; the rotating piece is correspondingly provided with a locking bulge which is in extrusion contact fit with the elastic limiting piece; the rotating piece is provided with a locking position and an unlocking position, and the locking protrusion is positioned on one side of the elastic limiting piece and is abutted and matched with the abutting part on the side under the locking position; under the position of unblock, effect control spanner rotates in order to drive and rotates a rotation, makes the protruding extrusion of locking act on the pars contractilis and rotate to elasticity locating part opposite side, and the protruding butt cooperation of butt portion that is in this side of locking makes and rotates the piece and stop at this unblock position.

2. The pull-cord control assembly of claim 1, wherein: the base is provided with a fixed clamping seat used for installing the elastic limiting part, and the elastic limiting part is clamped into and limited on the fixed clamping seat.

3. The pull wire control assembly of claim 2, wherein: the two fixed clamping seats are arranged in a mirror image manner, and the elastic limiting piece is limited between the two fixed clamping seats; and the shapes of the two fixed clamping seats are respectively matched with the shapes of the two sides of the elastic limiting part.

4. The pull line control assembly of claim 3, wherein: the contraction part and the abutting part are parts of the elastic limiting pieces exposed between the two fixed clamping seats.

5. The pull wire control assembly of claim 2, wherein: the elastic limiting piece is made of a spring steel sheet.

6. The pull wire control assembly of claim 2, wherein: the fixed clamping seat is made of plastic materials, and the fixed clamping seat and the base are integrally injection-molded.

7. The pull-cord control assembly of claim 1, wherein: the rotating piece is of a cam structure, and a connecting hole connected with the pull wire is formed in one end, far away from the locking protrusion, of the rotating piece.

8. The pull-cord control assembly of claim 1, wherein: the control wrench is provided with a rotating shaft perpendicular to the base, the base is correspondingly provided with a rotating shaft seat with a shaft hole, and the rotating shaft is rotatably matched in the rotating shaft seat; the rotating shaft penetrates through the shaft hole and is connected with the rotating piece through a screw.

9. The pull line control assembly of claim 8, wherein: the end part of the rotating shaft is provided with a clamping block, and the rotating part is correspondingly provided with a clamping groove; the clamping block is clamped in the clamping groove so that the rotating shaft and the rotating piece are circumferentially fixed.

10. The pull line control assembly of claim 7, wherein: the base is further provided with a stay wire positioning seat connected with a stay wire, and the connecting hole moves towards the direction far away from the stay wire positioning seat in the process that the rotating piece rotates from the locking position to the unlocking position.

11. The utility model provides a seat adjustment mechanism that acts as go-between which characterized in that: a pull line control assembly according to any one of claims 1 to 10 and including a support assembly, a pull line, the support assembly being a back assembly or a seat assembly of a chair, the base being mounted on the support assembly and the control wrench being exposed from the support assembly; the end part of the pull wire is connected to the rotating piece.

12. The seat wire adjustment mechanism of claim 11, wherein: the support assembly is a seat portion assembly of the seat, and the seat portion assembly comprises side frames positioned on two sides; the upper end face of the side frame is provided with a mounting groove; the base sets up in this mounting groove, and controls the spanner and expose the bottom at the side frame.

13. The seat wire adjustment mechanism of claim 12, wherein: the control wrench is provided with a rotating shaft perpendicular to the base, and an avoiding hole for the rotating shaft to pass through is formed in the mounting groove; the rotating shaft penetrates through the avoiding hole to be matched with the base in a rotating mode and is connected with the rotating piece through a screw.