CN113925308A

CN113925308A - Sliding structure of chassis

Info

Publication number: CN113925308A
Application number: CN202010669490.XA
Authority: CN
Inventors: 翁永联
Original assignee: Zhongshan Jiwen Furniture Co ltd
Current assignee: Zhongshan Jiwen Furniture Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2022-01-14

Abstract

The invention discloses a sliding structure of a chassis, which comprises a bottom plate, a base and an adjusting handle, wherein the bottom plate is arranged at the bottom of a chair seat and is in linkage connection with the chair seat, the base is arranged at the lower end of the bottom plate, the adjusting handle is arranged on the base through a handle mounting structure and can be pushed and pulled inwards and outwards, locate on the base and can take place relative movement's moving part with the base, locate between adjustment handle and the moving part and play the locking reset torsion spring of effect that resets, locking reset torsion spring cover is located on the screw hole post of base, thereby locking reset torsion spring rotates along with adjustment handle's push-and-pull removal and drives the moving part and carry out the back-and-forth movement and then play the effect of opening and close the slip function, the bottom plate lower extreme has set firmly a plurality of first cylinders, the moving part is equipped with a plurality of second cylinders up, the second cylinder staggers the slip function in order to release the bottom plate with first cylinder when the moving part moves forward, the second cylinder supports the slip function of first cylinder in order to lock the bottom plate when the moving part moves backward.

Description

Sliding structure of chassis

Technical Field

The invention relates to the technical field of chassis, in particular to a sliding structure of a chassis.

Background

The swivel chair is widely applied in daily life, or used for leisure and entertainment, or used for office swivel chairs, in order to improve the comfort level of the swivel chair, people invent the front and back sliding function of the chair seat to adjust the proper position and meet the requirements of different users, the front and back sliding function of the chair seat is mainly realized through the sliding structure of the chassis, the design of the existing sliding structure is more traditional and old, the structure is complicated and complicated, the structural design is unreasonable, the parts are more, the processes are more numerous, the production efficiency is lower, the production cost is caused, the product is high in price, and the use and the operation are not convenient enough.

Therefore, how to realize a structure scientific and reasonable, the design is simple ingenious, effectively simplifies the product structure, reduces spare part quantity, effectively simplifies manufacturing procedure, and production efficiency is high, uses the convenient sliding structure on chassis of easy operation is the technological problem that the urgent need to solve in the industry.

Disclosure of Invention

The invention mainly aims to provide a sliding structure of a chassis, and aims to realize the sliding structure of the chassis, which has the advantages of scientific and reasonable structure, simple and ingenious design, effective simplification of product structure, reduction of the number of parts, effective simplification of processing procedures, high production efficiency, and simple and convenient use and operation.

The invention provides a sliding structure of a chassis, which comprises a bottom plate, a base and an adjusting handle, wherein the bottom plate is arranged at the bottom of a chair seat and is in linkage connection with the chair seat, the base is arranged at the lower end of the bottom plate, the adjusting handle is arranged on the base through a handle mounting structure and can be pushed and pulled inwards and outwards, the locking reset torsion spring is sleeved on a threaded hole column of the base, the locking reset torsion spring rotates along with the push-pull movement of the adjusting handle so as to drive the moving part to move back and forth and further achieve the effect of opening and closing the sliding function, a plurality of first columns are fixedly arranged at the lower end of the bottom plate, a plurality of second columns are arranged on the moving part upwards, the second columns are staggered with the first columns when the moving part moves forwards so as to release the sliding function of the bottom plate, and the second columns abut against the first columns when the moving part moves backwards so as to lock the sliding function of the bottom plate; the moving stroke is guided between the moving part and the base through a guide structure, and the moving stroke is limited between the moving part and the base through a limit structure; when the adjusting handle is pushed inwards, the locking reset torsion spring is driven to rotate clockwise, so that the locking reset torsion spring drives the moving piece to move backwards, the second column body abuts against the first column body, the bottom plate can be locked, the bottom plate and the chair seat cannot slide forwards and backwards, and the sliding function is locked; when the adjusting handle is pulled outwards, the locking reset torsion spring is driven to rotate anticlockwise, so that the locking reset torsion spring drives the moving part to move forwards and the second cylinder and the first cylinder are staggered, the bottom plate can be released, the bottom plate and the seat can slide forwards and backwards, and the sliding function is started at the moment.

Preferably, the handle mounting structure includes a locking cassette, a fixing support installed outside the locking cassette is sleeved, a locking guide rail groove in a transverse 8 shape is arranged on the locking cassette, a circular shaft pin which is matched with the locking guide rail groove and can move in the locking guide rail groove is arranged on the adjusting handle, a pin hole for inserting the locking reset torsion spring card is arranged in the circular shaft pin, a poking seat is arranged on the moving part, a poking notch is arranged on the poking seat, one end card of the locking reset torsion spring is inserted into the pin hole and moves along with the movement of the pin hole, and the other end card of the locking reset torsion spring is inserted into the poking notch so as to drive the moving part to move back and forth.

Preferably, the limiting structure comprises a limiting groove arranged on the moving part and a limiting block arranged on the base and capable of moving in the limiting groove.

Preferably, the guide structure includes a plurality of guide grooves arranged on the movable member, and guide screws arranged on the base and located in the guide grooves.

Preferably, the movable member is made of plastic.

The sliding structure of the chassis is simple and ingenious in design, scientific and reasonable in structure, high in production efficiency, simple and convenient to use and operate, the product structure is effectively simplified, the number of parts is reduced, and the machining process is effectively simplified.

Drawings

Fig. 1 is a schematic perspective view of a sliding structure of a chassis according to an embodiment of the present invention;

fig. 2 is a second schematic perspective view of the sliding structure of the chassis according to the embodiment of the present invention;

fig. 3 is a third schematic perspective view of a sliding structure of a chassis according to an embodiment of the present invention;

FIG. 4 is one of the partially exploded schematic views of an embodiment of the sliding structure of the chassis of the present invention, wherein the fixing bracket is not shown;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a second partially exploded view of the sliding structure of the chassis according to the present invention, wherein the bottom plate is not shown;

fig. 7 is a schematic perspective view of a movable member in an embodiment of a sliding structure of a chassis according to the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 7, an embodiment of a sliding structure of a chassis according to the present invention is provided, which includes a bottom plate 101 installed at the bottom of a seat and connected to the seat in a linkage manner, a base 102 installed at the lower end of the bottom plate 101, an adjusting handle 103 installed on the base 102 through a handle installation structure and capable of performing inward and outward pushing and pulling movements, a moving member 104 installed on the base 102 and capable of relatively moving with the base 102, and a locking return torsion spring 105 installed between the adjusting handle 103 and the moving member 104 and having a return function, wherein the locking return torsion spring 105 is sleeved on a threaded post 106 of the base 102, the locking return torsion spring 105 rotates along with the pushing and pulling movements of the adjusting handle 103 to drive the moving member 104 to move forward and backward to perform an opening and closing sliding function, a plurality of first posts 107 are fixedly installed at the lower end of the bottom plate 101, a plurality of second posts 108 are installed upward on the moving member 104, the second posts 108 are staggered from the first posts 107 to release the sliding function of the bottom plate 101 when the moving member 104 moves forward, the sliding function of the base plate 101 is locked by the second cylinder 108 abutting against the first cylinder 107 when the movable member 104 moves backward.

The moving stroke is guided between the movable element 104 and the base 102 by a guide structure, and the moving stroke is limited between the movable element 104 and the base 102 by a limit structure.

When the adjusting handle 103 is pushed inward, the locking restoring torsion spring 105 is driven to rotate clockwise, so that the locking restoring torsion spring 105 drives the moving member 104 to move backward and the second column 108 abuts against the first column 107, thereby locking the bottom plate 101 and preventing the bottom plate 101 and the seat from sliding back and forth, and at the moment, locking the sliding function.

When the adjusting handle 103 is pulled outwards, the locking return torsion spring 105 is driven to rotate anticlockwise, so that the locking return torsion spring 105 drives the moving piece 104 to move forwards and the second column 108 and the first column 107 are staggered, the bottom plate 101 is released, the bottom plate 101 and the seat can slide forwards and backwards, and the sliding function is started at the moment.

The handle mounting structure comprises a locking clamping seat 109 and a fixing support 110 sleeved outside the locking clamping seat 109, wherein a locking guide rail groove 111 in a transverse 8 shape is formed in the locking clamping seat 109, a round shaft pin 112 which is matched with the locking guide rail groove 111 and can move in the locking guide rail groove 111 is arranged on the adjusting handle 103, a pin hole for inserting the locking reset torsion spring 105 card is formed in the round shaft pin 112, a poking seat 113 is arranged on the moving part 104, a poking notch 114 is formed in the poking seat 113, one end card of the locking reset torsion spring 105 is inserted into the pin hole and moves along with the movement of the pin hole, and the other end card of the locking reset torsion spring 105 is inserted into the poking notch 114 to drive the moving part 104 to move back and forth.

Normally, the sliding function is locked, and the second column 108 of the movable element 104 abuts against the first column 107 of the base plate 101, i.e. the base plate 101 is locked against movement and the seat is also locked against movement. When the sliding function needs to be opened, only need with adjustment handle 103 draw outwards can, when adjustment handle 103 draws outwards, drive locking reset torsion spring 105 and carry out anticlockwise rotation, thereby make locking reset torsion spring 105 stir moving part 104 and move forward and make second cylinder 108 stagger with first cylinder 107, can release bottom plate 101, make bottom plate 101 and seat support can carry out the front and back slip, can open the sliding function, locking reset torsion spring 105 is in by tensile state this moment, after the seat support is adjusted suitable position, release adjustment handle 103, the effort of locking reset torsion spring 105 can make adjustment handle 103 reset to the initial position inwards, use easy operation is convenient.

The limiting structure comprises a limiting groove 115 arranged on the movable piece 104 and a limiting block 116 arranged on the base 102 and capable of moving in the limiting groove 115.

The guiding structure includes a plurality of guiding grooves 117 formed on the movable member 104, and a guiding screw 118 formed on the base 102 and located in the guiding groove 117.

The moveable member 104 is made of plastic.

It is thus clear that this sliding construction's on chassis design is simple ingenious, and structure scientific and reasonable effectively simplifies the product structure, reduces spare part quantity, effectively simplifies manufacturing procedure, and production efficiency is high, uses easy operation convenient moreover.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are included in the scope of the present invention.

Claims

1. The sliding structure of the chassis is characterized by comprising a bottom plate which is arranged at the bottom of the chair seat and is in linkage connection with the chair seat, a base which is arranged at the lower end of the bottom plate, and an adjusting handle which is arranged on the base through a handle mounting structure and can be pushed and pulled inwards and outwards, the locking reset torsion spring is sleeved on a threaded hole column of the base, the locking reset torsion spring rotates along with the push-pull movement of the adjusting handle so as to drive the moving part to move back and forth and further achieve the effect of opening and closing the sliding function, a plurality of first columns are fixedly arranged at the lower end of the bottom plate, a plurality of second columns are arranged on the moving part upwards, the second columns are staggered with the first columns when the moving part moves forwards so as to release the sliding function of the bottom plate, and the second columns abut against the first columns when the moving part moves backwards so as to lock the sliding function of the bottom plate;

the moving stroke is guided between the moving part and the base through a guide structure, and the moving stroke is limited between the moving part and the base through a limit structure;

when the adjusting handle is pushed inwards, the locking reset torsion spring is driven to rotate clockwise, so that the locking reset torsion spring drives the moving piece to move backwards, the second column body abuts against the first column body, the bottom plate can be locked, the bottom plate and the chair seat cannot slide forwards and backwards, and the sliding function is locked;

when the adjusting handle is pulled outwards, the locking reset torsion spring is driven to rotate anticlockwise, so that the locking reset torsion spring drives the moving part to move forwards and the second cylinder and the first cylinder are staggered, the bottom plate can be released, the bottom plate and the seat can slide forwards and backwards, and the sliding function is started at the moment.

2. The sliding structure of a chassis according to claim 1, wherein the handle mounting structure includes a locking clip seat, and a fixing bracket sleeved outside the locking clip seat, the locking clip seat is provided with a locking guide groove in a horizontal 8 shape, the adjustment handle is provided with a circular shaft pin adapted to the locking guide groove and movable in the locking guide groove, the circular shaft pin is provided with a pin hole into which the locking reset torsion spring card is inserted, the moving member is provided with a toggle seat, the toggle seat is provided with a toggle notch, one end of the locking reset torsion spring is inserted into the pin hole and moves along with the movement of the pin hole, and the other end of the locking reset torsion spring is inserted into the toggle notch to drive the moving member to move back and forth.

3. The sliding structure of a chassis according to claim 1 or 2, wherein the limiting structure comprises a limiting groove disposed on the moving member, and a limiting block disposed on the base and capable of moving in the limiting groove.

4. The sliding structure of a chassis according to claim 3, wherein the guiding structure comprises a plurality of guiding grooves formed on the movable member, and guiding screws formed on the base and located in the guiding grooves.

5. The sliding motion structure of a base plate according to claim 4, wherein the movable member is made of plastic.