CN216220853U

CN216220853U - Waist pillow adjusting mechanism for office chair

Info

Publication number: CN216220853U
Application number: CN202122888153.2U
Authority: CN
Inventors: 张超宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-08
Anticipated expiration: 2031-11-22

Abstract

A waist pillow adjusting mechanism used on an office chair comprises a waist pillow and a mounting seat, wherein an adjusting mechanism is installed in the mounting seat, the action end of the adjusting mechanism is connected with the waist pillow, the adjusting mechanism comprises a front and back adjusting component for adjusting the front and back position of the waist pillow and an upper and lower adjusting component for adjusting the upper and lower position of the waist pillow, the front and back adjusting component is installed in the mounting seat, the action end of the front and back adjusting component is connected with the upper and lower adjusting component, the action end of the upper and lower adjusting component is connected with the waist pillow, an adjusting knob for controlling the front and back adjustment of the waist pillow is arranged in the front and back adjusting component, the adjusting knob protrudes from the back of the mounting seat, the front and back position adjustment and the upper and lower position adjustment of the waist pillow can be realized only by screwing the adjusting knob and pushing the waist pillow up and down, the waist pillow adjusting mechanism can adapt to the use of people with different body types, and has simple structure, easy assembly and good user experience.

Description

Waist pillow adjusting mechanism for office chair

Technical Field

The utility model belongs to the technical field of chair furniture, and particularly relates to a waist pillow adjusting mechanism for an office chair.

Background

The importance of the chair as daily furniture for people to work and study is self-evident. The good and comfortable office environment is beneficial to improving the office efficiency.

Waist pillow in the existing market basically has the function of adjusting from top to bottom alone or the function of adjusting from front to back alone, and even there is seat waist pillow to have simultaneously from top to bottom and fore-and-aft regulation function, it is also very complicated structurally, and not only spare part is many, the assembly is complicated, leads to easily damaging, difficult maintenance, and the cost is also high, and is also complicated, very inconvenient in the operation simultaneously, and user experience is poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a waist pillow adjusting mechanism used on an office chair.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a waist pillow adjustment mechanism for on office chair, includes waist pillow and mount pad, install adjustment mechanism in the mount pad, waist pillow is connected to adjustment mechanism's action end, adjustment mechanism is including being used for the waist pillow to carry out front and back adjusting part of front and back position control and being used for the waist pillow to carry out upper and lower adjusting part of upper and lower position control, front and back adjusting part installs in the mount pad, adjusting part about adjusting part's action end is connected, waist pillow is connected to upper and lower adjusting part's action end, be equipped with the adjust knob who is used for controlling waist pillow front and back regulation in the front and back adjusting part, adjust knob sets up from the back protrusion of mount pad.

As a further improvement of the utility model, the front surface of the mounting seat is provided with a clamping and embedding position for clamping the chair back frame for positioning and mounting, and the adjusting mechanism passes through the clamping and embedding position and is connected with the waist pillow.

As a further improvement of the utility model, two sides of the clamping and embedding position are provided with support legs for fixedly connecting the mounting seat with the chair back frame, and the support legs are provided with mounting holes.

As a further improvement of the utility model, the front and rear adjusting assembly further comprises an adjusting screw and a moving seat, one end of the adjusting screw is fixedly connected with the adjusting knob, the moving seat is sleeved in from the other end of the adjusting screw and is in threaded connection with the adjusting screw, and the upper and lower adjusting assembly is connected with the moving seat.

As a further improvement of the utility model, a limiting sleeve for circumferentially limiting and guiding the moving seat back and forth is arranged in the mounting seat, and the limiting sleeve is sleeved on the outer side wall of the moving seat.

As a further improvement of the utility model, a supporting strip for supporting the movable seat to reduce the friction force of forward and backward movement is arranged in the limiting sleeve.

As a further improvement of the utility model, the connecting end of the adjusting screw rod and the adjusting knob is a polygonal end, a polygonal hole matched with the polygonal end is arranged in the adjusting knob, the adjusting screw rod and the adjusting knob are circumferentially positioned by matching the polygonal end and the polygonal hole, and the back of the adjusting knob is axially positioned by passing through the adjusting screw rod through a bolt.

As a further improvement of the utility model, the back of the adjusting knob is provided with a cover plate, and the cover plate is connected with the adjusting knob in a buckling manner.

As a further improvement of the utility model, the waist pillow comprises a back plate and a support plate, wherein the back plate is provided with an adjusting rack which is matched with the upper and lower adjusting components for adjusting and positioning, the upper and lower adjusting components comprise an adjusting clamping plate which is matched and connected with the adjusting rack, a clamping plate which is matched and connected with the adjusting clamping plate for clamping the back plate, and a connecting piece which is connected with the adjusting clamping plate and the back plate, the back plate is provided with a guide groove which is used for the connecting piece to penetrate and is used for guiding the waist pillow to move up and down, and the adjusting clamping plate is provided with a clamping strip which is matched with the adjusting rack.

As a further improvement of the utility model, a movable cavity for installing the adjusting clamping plate is arranged between the back plate and the supporting plate, and when the upper and lower positions of the waist pillow are adjusted, the adjusting clamping plate moves up and down in the movable cavity relative to the waist pillow.

The utility model has the beneficial effects that: only need twist adjust knob and promote waist pillow from top to bottom, can realize the front and back position control and the upper and lower position control of waist pillow, can adapt to the crowd of different sizes and use, simple structure assembles easily, has good user experience. And the adjusting knob protrudes from the back of the mounting seat, so that a user can conveniently rotate the adjusting knob, the mounting space is not limited too much, and the universality is higher.

Drawings

FIG. 1 is a perspective view of the present embodiment;

FIG. 2 is an exploded view of the lumbar pillow, mount and adjustment mechanism of the present embodiment;

FIG. 3 is an overall exploded view of the present embodiment;

FIG. 4 is a schematic view of the internal structure of the present embodiment;

FIG. 5 is a perspective view of the mounting base of the present embodiment;

FIG. 6 is a perspective view of the adjustment knob of the present embodiment;

FIG. 7 is a perspective view of the adjusting plate of the present embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Example (b):

as shown in fig. 1 to 7, this embodiment discloses a waist pillow adjustment mechanism for office chair, including waist pillow 1 and mount pad 2, install adjustment mechanism 3 in the mount pad 2, waist pillow 1 is connected to adjustment mechanism 3's action end, adjustment mechanism 3 is including being used for waist pillow 1 to carry out front and back position control's front and back adjusting part 31 and being used for waist pillow 1 to carry out upper and lower adjusting part 32 of upper and lower position control, front and back adjusting part 31 is installed in mount pad 2, adjusting part 32 is connected to front and back adjusting part 31's action end, waist pillow 1 is connected to upper and lower adjusting part 32's action end, be equipped with the adjust knob 311 that is used for controlling waist pillow 1 front and back regulation in front and back adjusting part 31, adjust knob 311 sets up from the back protrusion of mount pad 2. The front and back position adjustment and the up and down position adjustment of the waist pillow 1 can be realized only by screwing the adjusting knob 311 and pushing the waist pillow 1 up and down, the waist pillow can adapt to the use of people with different body types, and the waist pillow is simple in structure, easy to assemble and good in user experience. And the adjusting knob 311 protrudes from the back of the mounting seat 2, thereby facilitating the user to rotate the adjusting knob 311 without excessive limitation to the mounting space and having high versatility.

In this embodiment, the front surface of the mounting seat 2 is provided with a clamping and embedding position 21 for clamping into a seat back frame for positioning and mounting, and the adjusting mechanism 3 passes through the clamping and embedding position 21 and is connected with the waist pillow 1. The two sides of the clamping position 21 are provided with support legs 22 for fixedly connecting the mounting seat 2 with the chair back frame, and the support legs 22 are provided with mounting holes 23. During installation, the clamping and embedding position 21 of the installation seat 2 is matched and positioned with the chair back frame, and then the support legs 22 are fixedly connected with the chair back frame, so that the whole waist pillow adjusting mechanism is stably installed on the chair back frame, and phenomena such as looseness, displacement and the like are not easy to occur in the long-term use process.

In this embodiment, the front-back adjusting assembly 31 further includes an adjusting screw 312 and a moving seat 313, one end of the adjusting screw 312 is fixedly connected to the adjusting knob 311, the moving seat 313 is sleeved from the other end of the adjusting screw 312 and is in threaded connection with the adjusting screw 312, and the up-down adjusting assembly 32 is connected to the moving seat 313. The mounting seat 2 is internally provided with a limiting sleeve 24 for circumferentially limiting and guiding the moving seat 313 in a front-back movement manner, and the limiting sleeve 24 is sleeved on the outer side wall of the moving seat 313. The limiting sleeve 24 is internally provided with a supporting bar 25 for supporting the movable seat 313 to reduce the friction force of front and back movement, the outer wall of the movable seat 313 is separated from the inner wall of the limiting sleeve 24 by the supporting bar 25, the contact area between the outer wall and the inner wall is reduced, so that the friction force of the movable seat 313 in front and back movement is reduced, the resistance of front and back position adjustment of the waist pillow 1 is reduced, and the adjustment is more portable and labor-saving. The adjusting knob 311 is provided with a polygonal end 314 at the connecting end of the adjusting screw 312 and the adjusting knob 311, the adjusting knob 311 is provided with a polygonal hole 315 matched with the polygonal end 314, the adjusting screw 312 and the adjusting knob 311 are circumferentially positioned by matching the polygonal end 314 and the polygonal hole 315, and the back of the adjusting knob 311 is axially positioned by connecting the adjusting screw 312 through a bolt. When the waist pillow 1 is adjusted forwards and backwards, a user twists the adjusting knob 311, the adjusting screw 312 rotates along with the adjusting knob 311, the moving seat 313 is in threaded connection with the adjusting screw 312, and the moving seat 313 moves forwards and backwards under the circumferential limiting effect of the limiting sleeve 24, so that the waist pillow 1 is driven to move forwards and backwards through the up-down adjusting assembly 32.

In this embodiment, the back of the adjusting knob 311 is provided with a cover plate 316, the cover plate 316 is connected with the adjusting knob 311 in a snap-fit manner, and the mounting bolt on the back of the adjusting knob 311 is covered by the cover plate 316, so that the appearance of the lumbar pillow adjusting mechanism is more beautiful.

In this embodiment, the waist pillow 1 includes a back plate 11 and a support plate 12, the back plate 11 is provided with an adjusting rack 13 which is matched with an up-down adjusting component 32 to adjust the positioning, the up-down adjusting component 32 includes an adjusting clamping plate 321 which is matched and connected with the adjusting rack 13, a clamping plate 322 which is matched and connected with the adjusting clamping plate 321 to clamp the back plate 11, and a connecting member 323 which is connected with the adjusting clamping plate 321 to adjust the clamping plate 321 and the back plate 11, the back plate 11 is provided with a guide groove 14 which is used for the connecting member 323 to penetrate and guide the waist pillow 1 to move up and down, and a moving seat 313, the clamping plate 322 and the connecting member 323 are fixedly connected, and the three are integrally formed. The adjusting clamping plate 321 is provided with a clamping strip 324 matched with the adjusting rack 13. A movable cavity 15 for installing the adjusting clamping plate 321 is arranged between the back plate 11 and the supporting plate 12, and when the waist pillow 1 is adjusted in the up-and-down position, the adjusting clamping plate 321 moves up and down in the movable cavity 15 relative to the waist pillow 1. When the up-and-down position of the waist pillow 1 is adjusted, only a certain push-pull force needs to be applied to the waist pillow 1 to enable the waist pillow 1 to move up and down, the backboard 11 is clamped through the adjusting clamping plate 321 and the clamping plate 322 after adjustment, positioning is realized through the matching of the clamping strip 324 and the adjusting rack 13, and the adjustment is very convenient.

The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by substantially the same means are within the protection scope of the present invention.

Claims

1. The utility model provides a waist pillow adjustment mechanism for on office chair which characterized in that: including waist pillow (1) and mount pad (2), install adjustment mechanism (3) in mount pad (2), waist pillow (1) is connected to the action end of adjustment mechanism (3), adjustment mechanism (3) are including being used for waist pillow (1) to carry out front and back adjusting part (31) of front and back position control and being used for waist pillow (1) to carry out upper and lower adjusting part (32) of position control about carrying out, install in mount pad (2) front and back adjusting part (31), adjusting part (32) about the action end connection of front and back adjusting part (31), waist pillow (1) is connected to the action end of upper and lower adjusting part (32), be equipped with adjust knob (311) that are used for controlling waist pillow (1) front and back regulation in front and back adjusting part (31), adjust knob (311) are from the back protrusion setting of mount pad (2).

2. A lumbar pillow adjustment mechanism for use on an office chair as claimed in claim 1, wherein: the front of mount pad (2) is equipped with and is used for the card to go into the inlay card position (21) that the back of the chair frame carried out the location installation, adjustment mechanism (3) pass inlay card position (21) and are connected with waist pillow (1).

3. A lumbar pillow adjustment mechanism for use on an office chair as claimed in claim 2, wherein: the two sides of the clamping and clamping position (21) are provided with support legs (22) for fixedly connecting the mounting seat (2) with the chair back frame, and mounting holes (23) are formed in the support legs (22).

4. A lumbar pillow adjustment mechanism for use on an office chair as claimed in claim 1, wherein: the front and rear adjusting assembly (31) further comprises an adjusting screw (312) and a moving seat (313), one end of the adjusting screw (312) is fixedly connected with the adjusting knob (311), the moving seat (313) is sleeved in from the other end of the adjusting screw (312) and is in threaded connection with the adjusting screw (312), and the upper and lower adjusting assembly (32) is connected with the moving seat (313).

5. A lumbar pillow adjustment mechanism for use on an office chair as claimed in claim 4, wherein: the mounting seat (2) is internally provided with a limiting sleeve (24) which is used for carrying out circumferential limiting and front-back movement guiding on the moving seat (313), and the limiting sleeve (24) is sleeved on the outer side wall of the moving seat (313).

6. A lumbar pillow adjustment mechanism for use on an office chair as claimed in claim 5, wherein: and a supporting bar (25) for supporting the moving seat (313) to reduce the friction force of front and back movement is arranged in the limiting sleeve (24).

7. A lumbar pillow adjustment mechanism for use on an office chair as claimed in claim 4, wherein: the adjusting mechanism is characterized in that the connecting end of the adjusting screw rod (312) and the adjusting knob (311) is a polygonal end (314), a polygonal hole (315) matched with the polygonal end (314) is formed in the adjusting knob (311), the adjusting screw rod (312) and the adjusting knob (311) are matched with the polygonal hole (315) through the polygonal end (314) for circumferential positioning, and the back of the adjusting knob (311) is axially positioned by penetrating through the adjusting screw rod (312) through a bolt.

8. A lumbar pillow adjustment mechanism for use on an office chair as claimed in claim 7, wherein: the back of the adjusting knob (311) is provided with a cover plate (316), and the cover plate (316) is connected with the adjusting knob (311) in a buckling mode.

9. A lumbar pillow adjustment mechanism for use on an office chair as claimed in claim 1, wherein: waist pillow (1) includes backplate (11) and backup pad (12), backplate (11) are equipped with and adjust rack (13) of location with upper and lower adjusting part (32) cooperation, upper and lower adjusting part (32) include with adjusting rack (13) cooperation be connected adjust cardboard (321), with adjust splint (322) that cardboard (321) cooperation presss from both sides tight backplate (11) and connect connecting piece (323 of adjusting cardboard (321) and backplate (11), backplate (11) are seted up and are used for connecting piece (323) to pass and supply waist pillow (1) to reciprocate guide way (14), adjust cardboard (321) be equipped with adjust rack (13) complex card strip (324).

10. A lumbar pillow adjustment mechanism for use on an office chair as claimed in claim 9, wherein: a movable cavity (15) for installing an adjusting clamping plate (321) is arranged between the back plate (11) and the supporting plate (12), and when the waist pillow (1) is adjusted in the vertical position, the adjusting clamping plate (321) moves up and down in the movable cavity (15) relative to the waist pillow (1).