CN209733155U

CN209733155U - Seat chassis with adjustable elasticity

Info

Publication number: CN209733155U
Application number: CN201822182290.2U
Authority: CN
Inventors: 尤兆根; 吴启帆
Original assignee: Foshan City Sitting Furniture Co Ltd
Current assignee: Foshan City Sitting Furniture Co Ltd
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2019-12-06
Anticipated expiration: 2028-12-24

Abstract

the utility model discloses a seat chassis of adjustable elasticity, including last connecting seat, lower connecting seat and sliding seat, go up the connecting seat and connect respectively in the sliding seat with lower connecting seat, the lower extreme, the sliding seat is including the chassis, upper cover and elasticity adjusting part, during the use, drive the actuating lever through acting as go-between and remove in solid fixed cylinder, thereby can drive the downthehole lift of solid fixed cylinder and rise or descend, then spacing to the spring of this position department when the lift rises, thereby make the compression stroke of spring change the elasticity scope of elastic component, thereby make the different elasticity requirements of adaptation that the seat can be better.

Description

Seat chassis with adjustable elasticity

Technical Field

The utility model relates to a seat field especially relates to a seat chassis of adjustable elasticity.

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 seat is usually provided with an elastic mechanism, and the seat can be adjusted adaptively through the elastic mechanism, however, the elastic mechanism cannot adjust the elastic force of the seat, and the seat is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a seat chassis with adjustable elasticity.

In order to achieve the above object, an embodiment of the present invention adopts the following technical solutions: the utility model provides a seat chassis of adjustable elasticity, includes connecting seat, lower connecting seat and sliding seat, go up the connecting seat and connect respectively in the upper and lower end of sliding seat with lower connecting seat, the sliding seat is including chassis, upper cover and elasticity adjusting part, elasticity adjusting part installs in the chassis, the upper cover is installed in elasticity adjusting part top, and elasticity adjusting part is including actuating lever, solid fixed cylinder and spring, the spring cup joints on solid fixed cylinder, gu the fixed cylinder outer wall is provided with the lift hole, the lift piece that can go up and down in it is installed to the lift hole, the actuating lever slides and wears to locate solid fixed cylinder, thereby the actuating lever can drive the lift piece and adjust the flexible stroke of spring at the downthehole lift of lift.

As a further improvement of the above scheme, the driving rod is provided with a descending section and an ascending section, the outer diameter of the ascending section is larger than that of the descending section, and a transition section with gradually increasing outer diameter is arranged between the descending section and the ascending section.

Further, the elasticity adjusting part still includes the drive connecting seat, the actuating lever is provided with the connector, the drive connecting seat is connected with the connector.

Furthermore, elasticity adjusting part is still including the sliding block, but sliding block slidable mounting is on the chassis, and sliding block one end is provided with the spacing platform of spring mounting, the spacing platform of spring mounting is provided with the through-hole that the actuating lever of being convenient for passed.

Further, the lower connecting seat comprises a base, a first supporting rod and a second supporting rod, the first supporting rod and the second supporting rod are respectively pivoted to the two ends of the base, the upper end of the first supporting rod is pivoted with the base, and the upper end of the second supporting rod is connected with the sliding block.

Further, a clamping connector is arranged at the end part of the fixed cylinder, and a clamping groove matched with the spring is formed in the outer wall of the clamping connector.

Furthermore, the side edge of the clamping groove is also provided with a limit baffle.

Further, the lifting holes are provided in plurality, and the plurality of lifting holes are arranged at intervals in the axial direction of the fixed cylinder.

Further, the lifting holes are provided with a plurality of rows, each row comprises a plurality of lifting holes, and the plurality of rows of lifting holes are distributed at intervals in the circumferential direction of the fixed cylinder.

Furthermore, the ascending section, the transition section and the descending section of the driving rod are provided with a plurality of rows of bulges with the same row number as the lifting holes.

One or more embodiments of the present invention have at least the following beneficial effects:

this seat chassis includes the connecting seat, connecting seat and sliding seat down, go up the connecting seat and connect respectively in the sliding seat down, the lower extreme, the sliding seat is including the chassis, upper cover and elasticity adjusting part, during the use, drive the actuating lever through acting as go-between and remove in a fixed section of thick bamboo, thereby can drive the downthehole lifter of lift of a fixed section of thick bamboo and rise or descend, then spacing to the spring of this position department when the lifter rises, thereby make the compression stroke (the deflection promptly) of spring change elastic component's elasticity scope, thereby make the different elasticity requirements of adaptation that the seat can be better.

Drawings

fig. 1 is a schematic structural view of an embodiment of the present invention;

FIG. 2 is an exploded schematic view of the above embodiment of FIG. 1;

FIG. 3 is a schematic view of the movable seat with the upper cover omitted;

FIG. 4 is a schematic structural view of a fixed barrel;

FIG. 5 is a schematic view of the drive rod;

FIG. 6 is a schematic diagram of a slider.

Detailed Description

the conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.

Referring to fig. 1 to 6, an embodiment of the present invention is a seat chassis capable of adjusting elasticity, including an upper connecting seat 1, a lower connecting seat 2 and a movable seat 3, where the upper connecting seat 1 can be used to mount a seat cushion, a backrest, etc., the lower connecting seat 2 is used to connect with a supporting leg chassis, the upper connecting seat 1 and the lower connecting seat 2 are respectively connected to the upper end and the lower end of the movable seat 3, the movable seat 3 includes a chassis 32, an upper cover 31 and an elasticity adjusting component 33, the elasticity adjusting component 33 is mounted in the chassis 32, the upper cover 31 is mounted above the elasticity adjusting component 33, the elasticity adjusting component 33 includes a driving rod 331, a fixed cylinder 332 and a spring 333, the fixed cylinder 332 abuts against the chassis 32, the spring 333 is sleeved on the fixed cylinder 332, a lifting hole 3320 is provided on the outer wall of the fixed cylinder 332, the lifting hole 3320 is provided with a lifting member capable of lifting therein, the lifting piece can be a ball or a lifting block or other objects capable of lifting in the lifting hole 3320, the lifting piece can block the spring 333 sleeved on the fixed cylinder 332 from compressing and deforming when rising, the driving rod 331 is slidably arranged in the fixed cylinder 332 in a penetrating manner, the driving rod 331 can control the movement of the driving rod 331 in a pulling line manner and the like, and the driving rod 331 can drive the lifting piece to lift in the lifting hole 3320 so as to adjust the telescopic stroke of the spring 333. During the use, drive actuating lever 331 through acting as go-between and remove in fixed cylinder 332, thereby can drive the downthehole lifter of the lift of fixed cylinder 33 and rise or descend, then carry on spacingly to the spring 333 of this position department when the lifter rises, thereby make the compression stroke (the deflection promptly) of spring 333 diminish and change elastic component's elasticity scope, thereby make the different elasticity requirements of adaptation that the seat can be better, it is spacing to the spring 333 of this position department then relieve when the lifter descends, thereby make the compression stroke grow of spring 333 change elastic component's elasticity scope, remove in fixed cylinder 332 through actuating lever 331, thereby can realize the regulation of elasticity, it adjusts very conveniently, and is more reliable. Of course, the elastic force adjusting assembly 33 may include a plurality of fixed cylinders 332, and each fixed cylinder 332 is fitted with one driving rod 331 and one spring 333, so that the elastic force of the seat pan is greater.

Referring to fig. 5, preferably, the driving rod 331 is provided with a descending section 3311 and an ascending section 3312, the ascending section 3312 has an outer diameter larger than that of the descending section 3311, a transition section 3314 having an outer diameter gradually increasing with respect to the descending section 3311 and the ascending section 3312, the ascending section 3312 has a larger outer diameter to eject the elevating member from the elevating hole 3320 to the outside to be in an ascending state, and when the elevating member is located on the descending section 3311 of the driving rod 331, the elevating member is in a descending state in the elevating hole 3320; when the lifting member is located on the rising section 3312 of the driving rod 331, the lifting member is in a rising state in the lifting hole 3320; when the lifting member is located on the transition section 3314 of the driving rod 331, the lifting member is in the process of ascending or descending, and the lifting member ascends or descends along with the change of the outer diameter of the driving rod 331.

Referring to fig. 2 and 3, preferably, the elasticity adjusting assembly 33 further includes a driving connecting seat 334, the driving rod 331 is provided with a connecting head 3313, the driving connecting seat 334 is connected with the connecting head 3313, the driving connecting seat 334 can be connected with the connecting head 3313 through a pivot shaft, or connected through other modes, the driving connecting seat 334 is used for being connected with an external pull wire, so as to drive the driving connecting seat 334 to move through the pull wire, thereby driving the driving rod 331 to move, the driving connecting seat 334 can be arranged on the upper cover 31, the upper cover 31 is provided with a sliding track matched with the driving connecting seat 334, so that the driving connecting seat 334 can slide on the sliding track, thereby conveniently driving the driving rod 331 to move in the fixing cylinder 332.

Referring to fig. 6, preferably, the elasticity adjusting assembly 33 further includes a sliding block 335, the sliding block 335 is slidably mounted on the chassis 32, a spring mounting limiting platform 3351 is disposed at one end of the sliding block 335, the spring mounting limiting platform 3351 is provided with a through hole 3352 through which the driving rod 331 conveniently passes, the spring mounting limiting platform 3351 is used for limiting one end of the spring 333, which may be a raised platform, one end of the spring 333 is sleeved on the platform, and when the driving rod 331 moves, the driving rod 331 can pass through the through hole 3352 inside and outside the spring mounting limiting platform 3351 to achieve elasticity adjustment.

Referring to fig. 1 and 2, preferably, the lower connecting seat 2 includes a base 21, and a first supporting rod 22 and a second supporting rod 23 respectively pivoted to two ends of the base 21, the base 21 is configured to be connected to a supporting leg chassis of the seat, an upper end of the first supporting rod 22 is pivoted to the chassis 32, an upper end of the second supporting rod 23 is connected to the sliding block 335, when the seat chassis is forced to move backward, the second supporting rod 23 pushes the sliding block 335 to move, the sliding block 335 extrudes the spring 333 through the spring mounting limiting platform 3351 to make the spring 333 compress and deform to generate an elastic force to realize force balance, and the sliding block 335 may be provided with a roller 3353, so that the sliding relative to the upper cover 31 and the chassis 32 is facilitated.

Referring to fig. 4, preferably, a clamping head is arranged at an end of the fixed cylinder 332, a plurality of clamping grooves 3321 adapted to the spring 333 are arranged on an outer wall of the clamping head, the plurality of clamping grooves 3321 are spirally arranged to match the spring 333, and one end of the spring 333 is clamped and mounted on the clamping head of the fixed cylinder 332 through the clamping grooves 3321.

Preferably, draw-in groove 3321 side still is provided with limit baffle 3322, through being provided with limit baffle 3322 for the spring 333 of joint on draw-in groove 3321 is further spacing, drops and can't realize elasticity regulation from fixed cylinder 332 when preventing spring 333 from following the roll-off in the draw-in groove 3321, and of course, limit baffle 3322 can be provided with the polylith, can all set up simultaneously in draw-in groove 3321 both sides simultaneously, thereby can be better prevent that spring 333 from droing from fixed cylinder.

Preferably, the plurality of lifting holes 3320 are provided, the plurality of lifting holes 3320 are arranged at intervals in the axial direction of the fixed cylinder 332, a lifting member is installed in each lifting hole 3320, so that the extension and retraction stroke of the spring 333 can be more fully adjusted, and each lifting hole 3320 corresponds to one adjustment gear, so that the seat chassis can realize elastic force adjustment of more gears.

Preferably, the lifting holes 3320 are provided with a plurality of rows, each row comprises a plurality of lifting holes 3320, the plurality of rows of lifting holes 3320 are circumferentially distributed at intervals on the fixed cylinder 332, and each adjusting gear is provided with a plurality of lifting pieces which are circumferentially distributed to limit the spring, so that the limiting of the lifting pieces on the spring 333 is more reliable, and the elastic force adjustment is more reliable.

Preferably, the rising section 3312, the transition section 3314 and the falling section 3311 of the driving rod 331 are provided with a number of rows of protrusions equal to the number of rows of the lifting holes 3320, so that the driving rod 331 can perform lifting adjustment of the lifting member in each row of the lifting holes 3320.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A seat chassis with adjustable elasticity is characterized in that: including last connecting seat, lower connecting seat and sliding seat, go up the connecting seat and connect respectively in the upper and lower end of sliding seat with lower connecting seat, the sliding seat is including chassis, upper cover and elasticity adjusting part, elasticity adjusting part installs in the chassis, the upper cover is installed in elasticity adjusting part top, and elasticity adjusting part is including actuating lever, solid fixed cylinder and spring, the spring cup joints on solid fixed cylinder, gu the fixed cylinder outer wall is provided with the lift hole, the lift piece that can go up and down in it is installed to the lift hole, the actuating lever slides and wears to locate solid fixed cylinder in, thereby the actuating lever can drive the lift piece and adjust the flexible stroke of spring at the downthehole lift of lift.

2. The adjustable resilient seat pan of claim 1, wherein: the driving rod is provided with a descending section and an ascending section, the outer diameter of the ascending section is larger than that of the descending section, and a transition section with gradually increasing outer diameter is arranged between the descending section and the ascending section.

3. The adjustable resilient seat pan of claim 2, wherein: the elasticity adjusting assembly further comprises a driving connecting seat, the driving rod is provided with a connector, and the driving connecting seat is connected with the connector.

4. the adjustable resilient seat pan of claim 2, wherein: the elasticity adjusting part also comprises a sliding block, the sliding block is slidably mounted on the chassis, one end of the sliding block is provided with a spring mounting limiting platform, and the spring mounting limiting platform is provided with a through hole which is convenient for the driving rod to pass through.

5. The adjustable resilient seat pan of claim 4, wherein: the lower connecting seat comprises a base, a first supporting rod and a second supporting rod, the first supporting rod and the second supporting rod are respectively pivoted to two ends of the base, the upper end of the first supporting rod is pivoted with the base, and the upper end of the second supporting rod is connected with the sliding block.

6. The adjustable resilient seat pan of claim 1, wherein: the fixed cylinder end is provided with the joint, the joint outer wall is provided with the draw-in groove with the spring adaptation.

7. The adjustable resilient seat pan of claim 6, wherein: and a limiting baffle is further arranged on the side edge of the clamping groove.

8. The adjustable resilient seat pan of any of claims 2 to 7, wherein: the lifting holes are arranged in a plurality of numbers, and the lifting holes are arranged at intervals along the axial direction of the fixed cylinder.

9. The adjustable resilient seat pan of claim 8, wherein: the lifting holes are provided with a plurality of rows, each row comprises a plurality of lifting holes, and the plurality of rows of lifting holes are distributed at intervals in the circumferential direction of the fixed cylinder.

10. The adjustable resilient seat pan of claim 9, wherein: the ascending section, the transition section and the descending section of the driving rod are provided with a plurality of rows of bulges with the same row number as the lifting holes.