CN217906942U

CN217906942U - Seat slide adjusting mechanism

Info

Publication number: CN217906942U
Application number: CN202222382362.4U
Authority: CN
Inventors: 朱月新
Original assignee: Zhejiang Kemi Bear Technology Co ltd
Current assignee: Zhejiang Kemi Bear Technology Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-11-29
Anticipated expiration: 2032-09-06

Abstract

The utility model provides a chair seat sliding adjusting mechanism, which comprises a bracket, a sliding rod and a sliding rod, wherein the bracket comprises two supporting rods; a seat main body; the two supporting rods are arranged on the two supporting rods in a sliding manner; the locking switch is rotatably arranged at the bottom end of the seat body; the locking switch comprises a pressing part positioned at the front end and a locking part positioned at the rear end and matched with the supporting rod; the pressing part and the locking part can perform lever motion relative to the seat body; the locking part is clamped between the two support rods; positioning chucks protruding outwards are respectively arranged on two sides of the locking part, and positioning clamping grooves which are arranged at intervals along the front-back direction and can be clamped with the positioning chucks are correspondingly arranged on each supporting rod; in the locking state, the positioning chucks at the two ends of the locking part are respectively clamped in the positioning clamping grooves on the supporting rod; under the unblock state, the extrusion is acted on according to the splenium and is ordered about the lock switch and rotate for the seat support main part, and the sticking department downstream is so that the location dop withdraws from the positioning channel groove downwards, and the seat support main part slides the unblock with the bracing piece.

Description

Seat sliding adjusting mechanism

Technical Field

The utility model relates to a thing to sit on field, in particular to seat support slide adjusting mechanism.

Background

The chair is a necessary article for daily household life and work of people, and a good chair can provide good support for a user and enable the user to feel comfortable. Most of the existing office chairs or leisure chairs have relatively fixed components, so that the depth of the chair seat can not be adjusted at all. Therefore, such chairs are not suitable for people of different ages and different heights. Specifically, for a short child, the back of the user is too far away from the chair back due to the long seat depth, the back of the user cannot be supported and suspended, the child feels fatigue after long-term use, the spine of the child is not supported and supported correctly and cannot be twisted unconsciously, the spine of the child develops for a long time, and the development of the spine of the child is influenced, and the child needs the seat of the seat to be slightly deep; for the head of a parent, the body and the legs are relatively long, and the legs need to be completely unfolded, so that the seat of the seat needs to be a little deep.

Some seats on the market, which can adjust the seat depth, are inconvenient to adjust and very laborious to operate; the automatic adjustment can not be realized at all, other people are often required to assist in the adjustment, or the user leaves the chair seat to adjust; or the adjusting mechanism is too complicated, thereby increasing the design cost of the whole chair.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a chair seat sliding adjusting mechanism; a locking switch is rotatably arranged at the bottom end of the seat main body, a positioning chuck is arranged on a locking part of the locking switch, and a positioning clamping groove is correspondingly arranged on a supporting rod of the bracket; then, the pressing part is acted to drive the locking switch to rotate, so that the positioning clamping head can be clamped into or withdrawn from the positioning clamping groove; thereby the chair seat main body and the bracket are locked or unlocked in a sliding way, and the operation is very convenient; and adopt bilateral locking structure, the locking effect is better.

The technical scheme of the utility model is realized like this:

a seat slide adjustment mechanism comprising: the support comprises two support rods which are spaced left and right and extend forwards; a seat main body; the two supporting rods are arranged on the two supporting rods in a sliding manner; the seat main body can move back and forth along the support rod; the locking switch is rotatably arranged at the bottom end of the seat main body; the locking switch is arranged along the front-back direction and comprises a pressing part positioned at the front end and a locking part positioned at the rear end and matched with the supporting rod; the pressing part and the locking part can perform lever motion relative to the seat body; the locking part is clamped between the two support rods; positioning chucks protruding outwards are respectively arranged on two sides of the locking part, and positioning clamping grooves which are arranged at intervals along the front-back direction and can be clamped with the positioning chucks are correspondingly arranged on each supporting rod; in the locking state, the positioning chucks at the two ends of the locking part are respectively clamped in the positioning clamping grooves on the supporting rod; under the unblock state, the extrusion is acted on according to the splenium and is ordered about the lock switch and rotate for the seat support main part, and the sticking department downstream is so that the location dop withdraws from the positioning channel groove downwards, and the seat support main part slides the unblock with the bracing piece.

Preferably, the locking part comprises locking rods respectively positioned at the left side and the right side, and the positioning chuck is arranged at the rear end position of the locking rods; the positioning clamping groove is arranged on the inner side wall of the supporting rod. The double-side locking structure enables the locking effect to be better.

Preferably, a reinforcing bar is connected between the two locking bars. So that the structure of the two locking rods is stable.

Preferably, a rotation matching part is further arranged at a position of the locking switch close to the pressing part, the upper end of the rotation matching part is provided with a rotation shaft arranged along the left-right direction, and the upper end of the rotation shaft protrudes upwards out of the upper end face of the locking switch; an installation caulking groove for containing the pressing part and the rotation matching part is correspondingly arranged at the middle position of the front end of the bottom of the seat body, and an upper rotation groove with a cambered inner wall is further concavely arranged in the installation caulking groove; the upper end of the rotating shaft is embedded into and rotationally matched with the upper rotating groove. So that the lock switch can perform lever rotation in the front-rear direction with respect to the seat main body.

Preferably, the upper end of the rotation matching part is provided with a support arranged along the front-back direction, and the rotating shaft is arranged on the support; a hollow groove which is formed around the support and the rotating shaft and longitudinally penetrates through the locking switch is arranged at the position, located at the rotation matching part, of the locking switch; a connecting bottom cover installed with the chair seat main body is arranged in the hollow-out groove at the bottom end of the locking switch. The connecting bottom cover is connected with the seat body from the lower end of the locking switch, and can limit the downward separation of the locking switch from the seat body.

Preferably, the size of the outline of the connecting bottom cover is matched with that of the hollow groove at the bottom end of the locking switch; the upper end of the connecting bottom cover is provided with a lower rotating groove which can be in rotating fit with the rotating shaft and a sinking groove which is sunk relative to the lower rotating groove and used for avoiding the support, and the sinking groove is positioned in the middle of the upper end of the connecting bottom cover; the bottom cover is connected to be embedded into the hollow groove from bottom to top, so that the rotating shaft is clamped and is in rotating fit between the upper rotating groove and the lower rotating groove. The arrangement of the connecting bottom cover enables the rotating effect of the rotating shaft to be better, and the connecting bottom cover also enables the locking switch to be matched with the seat body in a stable rotating mode.

Preferably, the connecting bottom cover and the seat main body are detachably connected by screws. The locking switch is convenient to disassemble, maintain or replace.

Preferably, an elastic part is arranged between the bottom end of the seat main body and the pressing part, and the elastic part is a longitudinal spring; the elastic piece can act on the pressing part to enable the locking switch to always have the tendency that the positioning clamping head is clamped into the positioning clamping groove. Then after the pressing part is loosened, the locking switch can automatically rotate and reset to lock the seat body again, and the operation is convenient.

Preferably, the bottom of the seat body is concavely provided with a containing groove, and the support rod is arranged in the containing groove along the front-back direction; a sliding plate arranged at the bottom end of the seat main body is arranged in the accommodating groove; a matching sliding table is correspondingly connected between the upper ends of the two support rods; two sides of the sliding plate are respectively provided with an L-shaped limiting side plate extending downwards, and two sides of the upper end of the matched sliding table are respectively provided with an upper edge plate extending outwards; the cooperation slip table slides along the fore-and-aft direction and sets up between the spacing curb plate of both sides. The upper edge plate can be limited left and right and up and down with the limit side plate.

Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:

the chair seat sliding adjusting mechanism of the utility model has the chair seat main body which is arranged on the two support rods in a sliding way; a locking switch is rotatably arranged at the bottom end of the seat body and is arranged along the front-back direction; the locking switch is provided with a pressing part positioned at the front end of the bottom of the seat body and a locking part positioned at the rear end and matched with the supporting rod; the pressing part and the locking part can perform lever motion relative to the seat body; the locking part is clamped between the two support rods and comprises two locking rods; the rear end of each locking rod is provided with a positioning clamp, and the inner side wall of the supporting rod on one corresponding side is provided with positioning clamping grooves which are spaced back and forth; then, in a locking state, the positioning clamping head is clamped in the positioning clamping groove, so that the chair seat main body and the bracket are locked front and back; and a bilateral locking structure is adopted, so that the locking is firmer. And when the front and back degree of depth of seat support main part is adjusted to needs, only need act on according to the splenium order about the locking switch rotate can, the lock portion will be relative seat support main part downstream for the location dop withdraws from positioning channel downwards, thereby makes seat support main part and support fore-and-aft structure, the seat support main part can be followed the bracing piece back-and-forth movement and in order to adjust the seat depth.

In addition, an elastic piece is arranged between the seat body and the pressing part; therefore, after the front and back positions of the seat body are adjusted, the pressing part is loosened; the elastic piece can act on the pressing part to enable the locking switch to rotate and reset, so that the seat body is locked again; so that the adjustment operation of the chair seat main body is very quick and convenient.

Drawings

FIG. 1 is a schematic perspective view of the connection between the seat main body and the bracket according to the embodiment of the present invention;

FIG. 2 is a schematic bottom perspective view of the embodiment of the present invention showing the connection between the seat main body and the frame;

FIG. 3 is an exploded view of the embodiment of the present invention in which the seat main body is connected to the bracket;

fig. 4 is a schematic perspective view of the locking switch in an unlocked state according to the embodiment of the present invention;

FIG. 5 is a schematic perspective view of the embodiment of the present invention showing the adjustment of the seat body relative to the frame in the unlocked state;

FIG. 6 is a schematic perspective view of the bottom end of the seat main body according to the embodiment of the present invention;

fig. 7 is a schematic perspective view of a locking switch according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of a bracket according to an embodiment of the present invention.

The various reference numbers are: a bracket 1; a seat main body 2; a lock switch 3; a pressing portion 3a; a locking portion 3b; a rotation-fitting portion 3c; a support rod 4; a containing groove 5; a slide plate 6; a limit side plate 6a; a matching sliding table 7; an upper edge plate 7a; a rotating shaft 8; installing a caulking groove 9; an upper turning groove 10; a hollowed-out groove 11; a support 12; connecting the bottom cover 13; a lower turning groove 14; a sink 15; a locking lever 16; a reinforcing rod 17; a positioning chuck 18; a positioning clamp groove 19; an elastic member 20.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. 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 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 present embodiment is described with reference to the orientation of the various components, such as front, rear, etc., in a normal use condition with the user seated in the seat.

The specific implementation manner of the utility model is as follows:

as shown in fig. 1-8, the utility model provides a chair seat sliding adjusting mechanism, which comprises a bracket 1, a chair seat main body 2 and a locking switch 3 arranged at the bottom end of the chair seat main body 2. Wherein, the bracket 1 comprises two support rods 4 which are spaced from each other at left and right and extend forwards; seat support main part 2 slides and sets up on two spinal branch vaulting poles 4, and seat support main part 2 can follow 4 back-and-forth movements of bracing piece in order to adjust the seat deeply. The locking switch 3 is rotatably connected with the seat body 2, and the seat body 2 and the supporting rod 4 can be locked or unlocked in a sliding manner by rotating the locking switch 3.

Specifically, the method comprises the following steps: as shown in fig. 2-8, a containing groove 5 is provided at the bottom of the seat body 2, and a sliding plate 6 mounted at the bottom end of the seat body 2 is provided in the containing groove 5; correspondingly, a matching sliding table 7 is correspondingly connected between the upper ends of the two support rods 4; two sides of the sliding plate 6 are respectively provided with an L-shaped limiting side plate 6a which extends downwards, and two sides of the upper end of the matching sliding table 7 are respectively provided with an upper edge plate 7a which extends outwards; the supporting rod 4 is arranged in the accommodating groove 5 along the front-back direction, so that the matched sliding table 7 is arranged between the limiting side plates 6a at two sides in a sliding manner along the front-back direction; go up along board 7a and spacing curb plate 6a cooperation can play limiting displacement, can restrict the relative slide 6 of slip table 7 and remove to and restriction slip table 7 and the separation from top to bottom of slide 6. Thereby enabling the seat body 2 to stably slide back and forth along the support rod 4.

As shown in fig. 2-7, the locking switch 3 is a rectangular structure arranged along the front-back direction, and the locking switch 3 includes a pressing portion 3a at the front end and a locking portion 3b at the rear end and engaged with the support rod 4; and a rotation matching part 3c is arranged at the position of the locking switch 3 close to the pressing part 3a, the upper end of the rotation matching part 3c is provided with a support 12 arranged along the front-back direction and a rotating shaft 8 arranged on the support rod 12 along the left-right direction, and the upper end of the rotating shaft 8 protrudes upwards from the upper end surface of the locking switch 3. An installation embedded groove 9 for accommodating the pressing part 3a and the rotation matching part 3c is correspondingly and concavely arranged at the middle position of the front end of the bottom of the seat body 2, and an upper rotation groove 10 with a cambered inner wall is further concavely arranged in the installation embedded groove 9; when locking switch 3 and seat support main part 2 assemble, will press the embedding of splenium 3a in installation caulking groove 9, and make 8 upper ends of axis of rotation rotate the embedding at last rotation recess 10 in for axis of rotation 8 can last rotation recess 10 internal rotations, make locking switch 3 can carry out the lever rotation along the fore-and-aft direction relative seat support main part 2. The locking switch 3 is also provided with a hollow groove 11 which is formed around the support 12 and the rotating shaft 8 and longitudinally penetrates through the locking switch 3 at the position of the rotating matching part 3c; after the locking switch 3 is matched with the seat body 2, a connecting bottom cover 13 is further installed at the bottom of the locking switch 3, specifically: the size of the outline of the connecting bottom cover 13 is matched with the size of the outline of the hollow groove 11 at the bottom of the locking switch 3; a lower rotating groove 14 which can be in rotating fit with the rotating shaft 8 and a sinking groove 15 which is sunk relative to the lower rotating groove 14 and used for avoiding the support 12 are further formed in the connecting bottom cover 13, and the sinking groove 15 is located in the middle of the upper end of the connecting bottom cover 13; then, the connecting bottom cover 13 is embedded into the hollow groove 11 at the bottom of the locking switch 3 from bottom to top, and the support 12 is embedded into the sinking groove 15; the rotating shaft 8 is clamped and rotationally matched between the upper rotating groove 10 and the lower rotating groove 14, so that the rotating shaft 8 rotates more stably; then, the connection bottom cover 3 is further connected to the seat main body 2 by a screw, and the connection bottom cover 3 can restrict the lock switch 3 from being separated from the seat main body 2, so that the lock switch 3 and the seat main body 2 are stably and rotatably engaged with each other. The connecting bottom cover 13 can shield the rotating shaft 8, so that the structure is simple and attractive; the connecting bottom cover 13 is detachably connected with the seat body 2, so that the locking switch 3 is convenient to repair or replace.

As shown in fig. 2-6 and 8, after the locking switch 3 is assembled with the seat body 2, the locking part 3b at the rear end of the locking switch 3 is just clamped between the two support rods 4; the locking portion 3b includes two locking rods 16 respectively located at two sides and a reinforcing rod 17 connected between the two locking rods 16, so that the two locking rods 16 are structurally stable. The rear end of a single locking rod 16 is provided with a positioning chuck 18 protruding outwards, correspondingly, the inner side wall of each supporting rod 4 is provided with a plurality of positioning clamping grooves 19 arranged at intervals along the front-rear direction, and the positioning chucks 18 can be clamped and matched with the positioning clamping grooves 19.

As shown in fig. 2-5, the rotation of the locking switch 3 can make the positioning clamp 18 be clamped into or withdrawn from the positioning clamp slot 19; specifically, the method comprises the following steps: an elastic piece 20 is arranged between the mounting embedded groove 9 and the pressing part 3a, and the elastic piece 20 is a longitudinal spring; the elastic member 20 can act on the pressing portion 3a so that the locking switch 3 always tends to cause the positioning clip 18 to be engaged with the positioning clip groove 19. Then when the locking switch 3 is in the locking state, as shown in fig. 2, the positioning chucks 18 on the two sides of the locking portion 3b are respectively clamped with the positioning clamping grooves 19 on the corresponding supporting rods 4 on one side, so that the locking switch 3 and the support 1 are fixed front and back, the seat main body 2 and the support 1 are fixed along the front and back direction, and at this time, the seat main body 2 cannot be adjusted front and back, and is in a normal use state. When the front and rear positions of the seat main body 2 need to be adjusted, as shown in fig. 4, only the pressing part 3a needs to be pressed to make the locking switch 3 perform lever rotation relative to the seat main body 2, and the locking part 3b moves downward and away from the seat main body 2, so that the positioning chuck 18 on each locking rod 16 exits downward from the positioning chuck groove 19; thereby enabling the seat main body 2 and the bracket 1 to be unlocked in a sliding way; so that the seat main body 3 can be adjusted back and forth along the support bar 4 as shown in fig. 5; after the adjustment of the seat body 3 is completed, the pressing part 3a is only needed to be loosened, and the elastic part 20 can downwards act on the pressing part 3a, so that the locking switch 3 is rotated and reset; the locking part 3b is moved upwards again so that the detent latch 18 engages with the correspondingly positioned detent recess 19. Therefore, the front and back position of the seat body 2 can be adjusted only by acting on the pressing part 3a, so that the adjusting operation is very easy and labor-saving, and the use has high-grade feeling. The positioning clamping heads 18 on the two sides are respectively clamped with the positioning clamping grooves 19 on the supporting rods 4 on the two sides, so that the structure is firmer after locking; the structure stability is better.

The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.

Claims

1. A seat slide adjustment mechanism, comprising:

the support comprises two support rods which are spaced left and right and extend forwards;

a seat main body; the two supporting rods are arranged on the two supporting rods in a sliding manner; the seat main body can move back and forth along the support rod;

the locking switch is rotatably arranged at the bottom end of the seat body; the locking switch is arranged along the front-back direction and comprises a pressing part positioned at the front end and a locking part positioned at the rear end and matched with the supporting rod; the pressing part and the locking part can perform lever motion relative to the seat body; the locking part is clamped between the two support rods; positioning chucks protruding outwards are respectively arranged on two sides of the locking part, and positioning clamping grooves which are arranged at intervals along the front-back direction and can be clamped with the positioning chucks are correspondingly arranged on each supporting rod;

in the locking state, the positioning chucks at the two ends of the locking part are respectively clamped in the positioning clamping grooves on the supporting rod; under the unblock state, the extrusion is acted on according to the splenium and is ordered about the lock switch and rotate for the seat support main part, and the sticking department downstream is so that the location dop withdraws from the positioning channel groove downwards, and the seat support main part slides the unblock with the bracing piece.

2. The seat slide adjustment mechanism of claim 1, wherein: the locking part comprises locking rods which are respectively positioned at the left side and the right side, and the positioning chuck is arranged at the rear end position of the locking rods; the positioning clamping groove is arranged on the inner side wall of the supporting rod.

3. The seat slide adjustment mechanism of claim 2, wherein: a reinforcing rod is connected between the two locking rods.

4. The seat slide adjustment mechanism of claim 1, wherein: a rotating matching part is further arranged at the position, close to the pressing part, of the locking switch, a rotating shaft arranged along the left-right direction is arranged at the upper end of the rotating matching part, and the upper end of the rotating shaft protrudes upwards out of the upper end face of the locking switch; an installation caulking groove for containing the pressing part and the rotation matching part is correspondingly arranged at the middle position of the front end of the bottom of the seat body, and an upper rotation groove with an inner wall being a cambered surface is further concavely arranged in the installation caulking groove; the upper end of the rotating shaft is embedded into and rotationally matched with the upper rotating groove.

5. The seat slide adjustment mechanism of claim 4, wherein: the upper end of the rotation matching part is provided with a support arranged along the front-back direction, and the rotating shaft is arranged on the support; a hollow groove which is formed around the support and the rotating shaft and longitudinally penetrates through the locking switch is arranged at the position, located at the rotation matching part, of the locking switch; a connecting bottom cover installed with the chair seat main body is arranged in the hollow-out groove at the bottom end of the locking switch.

6. The seat slide adjustment mechanism of claim 5, wherein: the size of the outline of the connecting bottom cover is matched with that of the hollow groove at the bottom end of the locking switch; the upper end of the connecting bottom cover is provided with a lower rotating groove which can be in rotating fit with the rotating shaft and a sinking groove which is sunk relative to the lower rotating groove and used for avoiding the support, and the sinking groove is positioned in the middle of the upper end of the connecting bottom cover; the bottom cover is connected and embedded into the hollow groove from bottom to top so that the rotating shaft is clamped and rotationally matched between the upper rotating groove and the lower rotating groove.

7. The seat slide adjustment mechanism of claim 6, wherein: the connecting bottom cover is detachably connected with the chair seat main body by screws.

8. The seat slide adjustment mechanism of claim 1, wherein: an elastic piece is arranged between the bottom end of the seat main body and the pressing part, and the elastic piece is a longitudinal spring; the elastic piece can act on the pressing part to enable the locking switch to always have the tendency that the positioning clamping head is clamped into the positioning clamping groove.

9. The seat slide adjustment mechanism of claim 1, wherein: the bottom of the seat body is concavely provided with a containing groove, and the support rod is arranged in the containing groove along the front-back direction; a sliding plate arranged at the bottom end of the seat main body is arranged in the accommodating groove; a matching sliding table is correspondingly connected between the upper ends of the two support rods; two sides of the sliding plate are respectively provided with an L-shaped limiting side plate extending downwards, and two sides of the upper end of the matching sliding table are respectively provided with an upper edge plate extending outwards; the cooperation slip table slides along the fore-and-aft direction and sets up between the spacing curb plate of both sides.