CN214230604U

CN214230604U - Pneumatic lifting chair wrench device

Info

Publication number: CN214230604U
Application number: CN202023348000.0U
Authority: CN
Inventors: 王文静; 黄洪强; 杨润强
Original assignee: Zhejiang Hutong Ergonomics Technology Co Ltd
Current assignee: Zhejiang Hutong Ergonomics Technology Co Ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-21
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a pneumatic lift chair wrench device, include lift gas pole mechanism and connect in the movable rod of seat support, lift gas pole mechanism includes the sill bar and sets up the lifter in the sill bar, the movable rod cup joints in the sill bar outside, be provided with wrench assembly on the movable rod, the lifter top is provided with the start-up portion, be provided with the rotary valve between start-up portion and the wrench assembly, the one end that the rotary valve is close to wrench assembly is provided with the joint groove, wrench assembly is including the removable pin that can insert the card and connect the joint groove, one side that the rotary valve was kept away from to the removable pin is provided with the start button. The air lever switch mode is started through the wrench, the lifting of the seat is controlled, the overall adjustment of the height of the seat is realized, the structure is simple, the safety is high, and the competitiveness of products in market segments such as child seats is improved.

Description

Pneumatic lifting chair wrench device

Technical Field

The utility model belongs to the technical field of the seat manufacturing technique and specifically relates to a pneumatic lift chair spanner device is related to.

Background

The lifting chair in the prior art is generally provided with a lifting structure below a chair, and a top rod of the lifting structure is used for supporting a chair seat to perform lifting adjustment, for example, a Chinese patent document discloses 'an office chair chassis with lifting function and tilting function', the publication number 'CN 208403790U' comprises a supporting frame, a lifting pulling rod and a tilting locking pulling rod are arranged on the supporting frame, a first fixed shaft is arranged at one end of the lifting pulling rod, and a rotating shaft is arranged at one end of the tilting locking pulling rod; the base is provided with a movable sliding block and a pressing piece, the movable sliding block is connected with a first fixed shaft and the pressing piece, the base is provided with a groove and a first limiting groove, the groove is communicated with the first limiting groove, a limiting piece is arranged in the groove, and the limiting piece is connected with an inclining and inclining locking pulling rod; the lifting air rod is connected with the base, a press switch is arranged on the lifting air rod, and the press switch is in contact with the pressing piece and is located below the pressing piece. The chair has a complex structure and a complex adjustment mode, and is not suitable for being applied to a child seat.

Disclosure of Invention

For overcoming current seat elevation structure not enough, the utility model provides a safe pneumatic elevation structure through the bracing piece with the direct seat of regarding lift gas lever mechanism, does benefit to wrench device and triggers to open and stop lift gas lever mechanism and go up and down to this is to the high direct regulation of seat, convenient and fast.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pneumatic lift chair wrench device, includes lift gas pole mechanism and connects in the movable rod of seat support, lift gas pole mechanism includes the sill bar and sets up the lifter in the sill bar, the movable rod cup joints in the sill bar outside, be provided with wrench assembly on the movable rod, the lifter top is provided with the starting part, be provided with the rotary valve between starting part and the wrench assembly, the one end that the rotary valve is close to wrench assembly is provided with the joint groove, wrench assembly is including the removable pin that can insert the card and connect the joint groove, one side that the rotary valve was kept away from to the removable pin is provided with the start button. The utility model discloses a seat, including seat, lift gas pole mechanism, seat base, seat bottom, movable rod, seat bottom, seat chassis, seat bottom, seat chassis, the movable rod that cup joints in lift gas pole mechanism then is connected with the seat, and this kind of design avoids the gas pole to set up in the seat bottom and the danger that punctures the seat appears, promotes the rotary valve through the start button when the operator, and the gained rotary valve triggers the start-up portion of lift gas pole mechanism, and the lifter promotes movable rod and seat base elevating movement to this realization is to the overall regulation of seat height.

Preferably, the wrench assembly comprises an operating part and a connecting part, the connecting part is connected with the movable rod, a connecting cylinder is arranged between the operating part and the connecting part, the connecting cylinder is in threaded connection with the connecting part, one end of the connecting cylinder, far away from the connecting part, is provided with a connecting disc, and the connecting disc is clamped with the operating part; the movable pin is arranged in the middle of the connecting cylinder. The operation portion is used for an operator to trigger and control the lifting air lever mechanism, one side of the connecting portion is connected with the seat, and the other side of the connecting portion is connected with the operation portion. The connecting disc is clamped in the connecting cylinder, and the connecting cylinder is in threaded connection with the connecting part, so that the operating part can be stably connected with the connecting part.

Preferably, the operation portion is provided with a mounting hole, the mounting hole comprises a first connecting section and a second connecting section along a direction away from the connecting portion, a clamping groove is formed in the first connecting section, and the connecting disc is clamped and connected with the clamping groove.

Furthermore, the movable pin is arranged in the first connecting section in a penetrating manner, an extension rod extending into the second connecting section is arranged at the tail part of the movable pin, a reset piece is sleeved outside the extension rod, and the reset piece abuts against the groove wall of the clamping groove on one side away from the connecting part; the starting button is arranged in the second connecting section.

The mounting hole is the core region of operating portion, and first linkage segment is connected with the connecting cylinder, and the second linkage segment holds the start button. The operator presses the start button, and the start button promotes extension rod and movable pin and rotates the rotary valve, and the rotary valve rotates the start part of pressfitting lift air lever mechanism, and the lifter rises and adjusts the height of seat support. When the chair seat reaches the target height, the pressing on the starting button is released, the resetting piece ensures that the starting button rebounds, the pressure of the rotary valve on the starting part is released, the lifting rod stops rising, and the height adjustment of the chair seat is finished.

Preferably, a clamping pin is arranged on the outer edge of the starting button, a clamping groove is formed in the inner wall of the second connecting section, and the clamping pin is connected with the clamping groove in a clamping mode. The clamping foot is matched with the clamping groove, and the starting button cannot be separated from the mounting hole when the reset piece rebounds.

Preferably, the rotary valve comprises a rotating body and a positioning valve core arranged in the middle of the rotating body, the positioning valve core is fixedly connected with the connecting part, and the rotating body is rotatably connected to the positioning valve core.

Further, the rotor is Z style of calligraphy component, the tail end that the rotor kept away from the operating portion is the contact site, but the start-up portion of contact site pressfitting.

The positioning valve core is a rotating shaft of the rotating body, an operator pushes the rotating body to rotate through the movable pin and triggers the lifting air rod mechanism, the lifting air rod mechanism is stopped when being released, the positioning valve core is efficient and convenient, and the corresponding performance is good. The Z-shaped rotating body is used as a mechanical control part, and the reaction is quick, namely the rotation stops immediately after the rotation.

Therefore, the utility model discloses following beneficial effect has: (1) the mode of opening and closing the air rod is started through the wrench, the rapid lifting of the chair seat is controlled, the safety performance of the air rod chair is greatly improved, the operation is convenient, and the adjustment is accurate; (2) the seat is directly connected with the lifting air rod mechanism, so that the number of parts is small, the connection is stable, the safety is higher, and the market competitiveness of products in children seats and the like is improved; (3) an operator pushes the rotating body to rotate through the movable pin and triggers the lifting air rod mechanism, and the lifting air rod mechanism stops when being released, so that the lifting air rod mechanism is efficient, convenient and fast and has good correspondence; (4) simple structure, simple operation.

Drawings

Fig. 1 is a cross-sectional view of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is an installation diagram of the present invention.

In the figure: 1. lifting air lever mechanism, 2, the movable rod, 3, the lifter, 31, the sill bar, 32, the starting part, 4, wrench assembly, 41, the activity round pin, 411, the extension rod, 42, the rotary valve, 421, the joint groove, 422, the rotor, 423, the location case, 424, the contact site, 43, the start button, 431, the card foot, 44, reset piece, 5, the operation portion, 51, the mounting hole, 52, first linkage segment, 53, the second linkage segment, 531, the draw-in groove, 6, connecting portion, 7, the connecting cylinder, 71, the connection pad, 8, seat chassis, 9, the seat support.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in fig. 1 and 2, a pneumatic lifting chair wrench device comprises a lifting air rod mechanism 1 and a movable rod 2 connected to a chair seat, wherein the lifting air rod mechanism comprises a bottom rod and a lifting rod 3 arranged in the bottom rod 31, the movable rod 2 is sleeved outside the bottom rod, a wrench component 4 is arranged on the movable rod, the top of the lifting rod is provided with a starting part 32, a rotary valve 42 is arranged between the starting part and the wrench component, one end of the rotary valve close to the wrench component is provided with a clamping groove 421, the wrench component comprises a movable pin 41 capable of being connected with the clamping groove, and one side of the movable pin far away from the rotary valve is provided with a starting button 43. The utility model discloses a seat, including seat support, lift gas pole mechanism, seat base, seat bottom, movable rod, seat bottom chassis 8, the movable rod that cup joints in lift gas pole mechanism then is connected with seat support 9, and the gas pole is avoided in this kind of design to set up in the seat bottom and the danger that punctures the seat appears, promotes the rotary valve through the actuating button when the operator, and the gained rotary valve triggers the start-up portion of lift gas pole mechanism, and the lifter promotes movable rod and seat support elevating movement to this realization is to the overall control of seat height.

The wrench assembly comprises an operation part 5 and a connection part 6, the connection part is connected with the movable rod, a connection cylinder 7 is arranged between the operation part and the connection part, the connection cylinder is in threaded connection with the connection part, one end of the connection cylinder, far away from the connection part, is provided with a connection disc 71, and the connection disc is clamped with the operation part; the movable pin is arranged in the middle of the connecting cylinder. The operation portion is used for an operator to trigger and control the lifting air lever mechanism, one side of the connecting portion is connected with the seat, and the other side of the connecting portion is connected with the operation portion. The connecting disc is clamped in the connecting cylinder, and the connecting cylinder is in threaded connection with the connecting part, so that the operating part can be stably connected with the connecting part.

The operation portion is provided with a mounting hole 51, the mounting hole comprises a first connecting section 52 and a second connecting section 53 along the direction away from the connecting portion, a clamping groove is formed in the first connecting section, and the connecting disc is clamped and connected with the clamping groove. Further, the movable pin is arranged in the first connecting section in a penetrating manner, an extension rod 411 extending into the second connecting section is arranged at the tail of the movable pin, a reset piece 44 is sleeved outside the extension rod, and the reset piece abuts against the groove wall of the clamping groove on the side away from the connecting part; the starting button is arranged in the second connecting section. The mounting hole is the core region of operating portion, and first linkage segment is connected with the connecting cylinder, and the second linkage segment holds the start button. In this embodiment, the user can rotate the operation portion to move the operation portion on the connection cylinder, so as to adjust the distance between the operation portion and the connection portion, and thus the gap between the connection portion and the movable rod can be adjusted. When the contact part of the rotating body deviates from the starting part, the positions of the connecting part and the rotating body can be adjusted by rotating the operating part, and the normal operation of the wrench device is ensured.

The outer edge of the starting button is provided with a clamping pin 431, the inner wall of the second connecting section is provided with a clamping groove 531, and the clamping pin is connected with the clamping groove in a clamping mode. The clamping foot is matched with the clamping groove, and the starting button cannot be separated from the mounting hole when the reset piece rebounds.

The rotary valve comprises a rotating body 422 and a positioning valve core 423 arranged in the middle of the rotating body, the positioning valve core is fixedly connected with the connecting part, and the rotating body is rotatably connected with the positioning valve core. Further, the rotating body is a Z-shaped component, the tail end of the rotating body, which is far away from the operating part, is a contact part 424, and the contact part can be pressed on the starting part. The positioning valve core is a rotating shaft of the rotating body, an operator pushes the rotating body to rotate through the movable pin and triggers the lifting air rod mechanism, the lifting air rod mechanism is stopped when being released, the positioning valve core is efficient and convenient, and the corresponding performance is good. The Z-shaped rotating body is used as a mechanical control part, and the reaction is quick, namely the rotation stops immediately after the rotation.

In this embodiment, the operator presses the start button, and the start button promotes extension rod and movable pin and rotates the rotary valve, and the rotary valve rotates the start part of pressfitting lift air lever mechanism, and the lifter rises and adjusts the height of seat support. When the seat reaches the target height, the pressing on the starting button is released, the resetting piece ensures that the starting button rebounds, the pressure of the rotary valve on the starting part is released, the lifting rod stops rising, and the height adjustment of the seat of the chair is finished.

In addition to the above embodiments, the technical features of the present invention can be re-selected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention which are not described in detail should be regarded as the specific embodiments of the present invention and are within the protection scope of the present invention.

Claims

1. The utility model provides a pneumatic lift chair wrench device, characterized by, includes lift gas pole mechanism and connects in the movable rod of seat support, lift gas pole mechanism includes the sill bar and sets up the lifter in the sill bar, the movable rod cup joints in the sill bar outside, be provided with wrench assembly on the movable rod, the lifter top is provided with the starting part, be provided with the rotary valve between starting part and the wrench assembly, the one end that the rotary valve is close to wrench assembly is provided with the joint groove, wrench assembly is including inserting the removable pin that the joint groove was connected to the card, one side that the rotary valve was kept away from to the removable pin is provided with the start button.

2. The pneumatic lifting chair wrench device as claimed in claim 1, wherein the wrench assembly comprises an operating part and a connecting part connected to the chair seat, the connecting part is connected to the movable rod, a connecting cylinder is arranged between the operating part and the connecting part, the connecting cylinder is screwed to the connecting part, a connecting disc is arranged at one end of the connecting cylinder far away from the connecting part, and the connecting disc is clamped with the operating part; the movable pin is arranged in the middle of the connecting cylinder.

3. The pneumatic lifting chair wrench device as claimed in claim 2, wherein the operating portion is provided with a mounting hole, the mounting hole comprises a first connecting section and a second connecting section along a direction away from the connecting portion, the first connecting section is provided with a clamping groove, and the connecting disc is clamped and connected with the clamping groove; the starting button is arranged in the second connecting section.

4. The pneumatic lifting chair wrench device according to claim 3, wherein the movable pin is disposed through the first connecting section, an extension rod extending into the second connecting section is disposed at a tail portion of the movable pin, a reset member is sleeved outside the extension rod, and the reset member abuts against a wall of the engaging groove on a side away from the connecting portion.

5. The pneumatic lifting chair wrench device as claimed in claim 3, wherein a retaining pin is provided on an outer edge of the actuating button, and a retaining groove is provided on an inner wall of the second connecting section, and the retaining pin is engaged with the retaining groove.

6. The pneumatic lifting chair wrench device according to any one of claims 1-5, wherein the rotary valve comprises a rotor and a positioning valve core disposed in the middle of the rotor, the positioning valve core is fixedly connected to the connecting portion, and the rotor is rotatably connected to the positioning valve core.

7. The pneumatic lifting chair wrench device of claim 6, wherein the rotor is a Z-shaped member, and the end of the rotor remote from the operating portion is a contact portion, and the contact portion is adapted to engage the actuating portion.