CN213720947U

CN213720947U - Novel office chair

Info

Publication number: CN213720947U
Application number: CN202022979345.XU
Authority: CN
Inventors: 杭宏; 于娜
Original assignee: Nanjing Forestry University
Current assignee: Nanjing Forestry University
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-20
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to an office supplies technical field just discloses a novel office chair, including fixed bedplate, the support frame is all installed to the both sides of fixed bedplate, movable groove has all been seted up to the front side at fixed bedplate both ends, the spring housing is all transversely installed to the inside in movable groove, the middle part cover of spring housing is equipped with the ratchet, the back fixed mounting of ratchet is in the inside in movable groove. The utility model discloses a press the backplate to the rear side, can drive through the fixed plate and support cover and spring housing rotation, make the spring housing rotate at the middle part of ratchet, can make the pawl slide in the outside of ratchet, after adjusting the back to a certain degree, when loosening the back, reset spring promotes the pawl and alternates between the tooth space of ratchet, can avoid the back to receive the effect of spring housing and get back to the normal position, can carry out the regulation of arbitrary angle to the back, the inconvenient problem of adjusting of current official working back has been solved, in use is comparatively convenient.

Description

Novel office chair

Technical Field

The utility model relates to an office supplies technical field especially relates to a novel office chair.

Background

The office chair is an office appliance used for a worker seat in an office place, can support a user, and the backrest of the office chair can support the trunk of a human body, so that the human body can feel comfortable.

The existing office chair is single in modeling, relatively poor in comfort level and easy to fatigue, the office chair on the market is usually designed by adopting a cylinder and a chair wheel, the office chair has a large occupied space, the cost is relatively high, the backrest of the office chair does not have the angle adjusting function, symptoms such as lumbar muscle strain are easily formed in use, and the problem of the office chair is solved by the novel office chair.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the existing office chair is single in modeling, poor in comfort level and easy to fatigue, the office chair on the market is usually designed by adopting a cylinder and a chair wheel, the office chair has a large occupied space, the cost is relatively high, the backrest of the office chair does not have the angle adjusting function, and symptoms such as lumbar muscle strain are easily formed in use, so that the novel office chair is provided.

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

a novel office chair comprises a fixed seat board, wherein supporting frames are respectively arranged at two sides of the fixed seat board, movable grooves are respectively arranged at the front sides of two ends of the fixed seat board, spring sleeves are respectively transversely arranged in the movable grooves, a ratchet wheel is sleeved in the middle of each spring sleeve, the back of each ratchet wheel is fixedly arranged in each movable groove, movable sleeves are respectively sleeved at two sides of each spring sleeve, a supporting sleeve is jointly arranged at the top end of each movable sleeve, the supporting sleeves are sleeved above the ratchet wheels, a fixed plate is jointly arranged at one opposite side of each supporting sleeve, movable seats are respectively arranged at the tops of the left inner wall and the right inner wall of each supporting sleeve, a movable rod is jointly arranged in the middle of each movable seat, a pawl is arranged in the middle of the bottom end of each movable rod, the bottom end of each pawl is movably inserted into the ratchet wheel, an adjusting rod is arranged in the middle of the top end of each pawl, and the top end of each adjusting rod upwards penetrates through the supporting sleeves, the outside cover of adjusting the pole is equipped with reset spring, reset spring's both ends are connected with the inner wall of pawl and support cover respectively, the back mounted of fixed plate has the backplate, the outside cover of backplate is equipped with the sponge cushion, the top of fixed bedplate is installed the elastic cushion.

Preferably, the middle of fixed bedplate bottom installs the mounting bracket, the internally mounted of mounting bracket has the power piece, regulation and control switch is installed to one side of fixed bedplate bottom, regulation and control switch is located the front side of mounting bracket, regulation and control switch is connected with the power piece electricity.

Preferably, the elastic cushion is internally provided with a heat conducting pad, the heat conducting pad is internally provided with an electric heating wire, and two ends of the electric heating wire are respectively electrically connected with the power supply block and the regulation switch.

Preferably, the top of the sponge back cushion is sleeved with an elastic band, and the back of the elastic band is provided with a back cushion.

Preferably, the bottom ends of the front side and the rear side of the support frame are movably sleeved with rubber sleeves.

Preferably, the elastic cushion is made of artificial leather, and an elastic sponge cushion is filled in the elastic cushion.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a press the backplate to the rear side, can drive through the fixed plate and support cover and spring housing rotation, make the spring housing rotate at the middle part of ratchet, can make the pawl slide in the outside of ratchet, after adjusting the back to a certain degree, when loosening the back, reset spring promotes the pawl and alternates between the tooth space of ratchet, can avoid the back to receive the effect of spring housing and get back to the normal position, can carry out the regulation of arbitrary angle to the back, the inconvenient problem of adjusting of current official working back has been solved, in use is comparatively convenient.

(2) The utility model discloses a power supply block supplies power to the heating wire, can make the heating wire circular telegram generate heat, can heat the surface of cushion to the temperature of generating heat that can adjust the heater strip through control switch, the user can experience comparatively comfortablely when using, and through the support frame to the support of fixing base plate, can greatly reduce office chair's usage space, has reduced the use of cylinder and chair wheel, has greatly reduced office chair's cost.

Drawings

Fig. 1 is a front schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the inner structure of the elastic cushion of the present invention.

In the figure: 1. fixing the seat plate; 2. a fixing plate; 3. a rubber sleeve; 4. a mounting frame; 5. a support frame; 6. a back plate; 7. an elastic band; 8. a sponge back cushion; 9. an electric heating wire; 10. a thermally conductive pad; 11. a power supply block; 12. a regulation switch; 13. an elastic cushion; 14. a back cushion; 15. a movable groove; 16. a spring housing; 17. a ratchet wheel; 18. a movable sleeve; 19. a support sleeve; 20. a movable seat; 21. a movable rod; 22. adjusting a rod; 23. a return spring; 24. a pawl.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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 therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a novel office chair comprises a fixed seat plate 1, wherein supporting frames 5 are respectively installed on two sides of the fixed seat plate 1, rubber sleeves 3 are respectively movably sleeved on the bottom ends of the front side and the rear side of each supporting frame 5, the supporting frames 5 are in contact with the ground through the rubber sleeves 3, the friction force between the supporting frames 5 and the ground can be increased, the whole office chair is prevented from sliding, movable grooves 15 are respectively formed in the front sides of the two ends of the fixed seat plate 1, spring sleeves 16 are respectively and transversely installed in the movable grooves 15, ratchet wheels 17 are respectively sleeved in the middle of the spring sleeves 16, the back sides of the ratchet wheels 17 are fixedly installed in the movable grooves 15, movable sleeves 18 are respectively sleeved on two sides of each spring sleeve 16, supporting sleeves 19 are jointly installed on the top ends of the movable sleeves 18, the supporting sleeves 19 are sleeved above the ratchet wheels 17, a fixed plate 2 is jointly installed on the opposite side of each supporting sleeve 19, and can pass through the action of the fixed plate 2 and the supporting sleeves 19 through extrusion on a backboard 6, the spring sleeve 16 is driven to rotate, so that the support sleeve 19 can drive the pawl 24 to slide on the outer side of the ratchet wheel 17, the back plate 6 can be adjusted to a proper angle through extrusion on the back plate 6, after the force application on the back plate 6 is stopped, the support sleeve 19 and the pawl 24 can be driven to reversely rotate through the recovery action of the spring sleeve 16, the pawl 24 is inserted between the teeth of the ratchet wheel 17, so that the adjusted back plate 6 can be fixed, movable seats 20 are respectively installed on the tops of the left inner wall and the right inner wall of the support sleeve 19, a movable rod 21 is jointly installed in the middle of each movable seat 20, the pawl 24 is installed in the middle of the bottom end of each movable rod 21, the bottom end of each pawl 24 is movably inserted in the ratchet wheel 17, an adjusting rod 22 is installed in the middle of the top end of each pawl 24, the top end of each adjusting rod 22 upwards penetrates through the support sleeve 19, a return spring 23 is installed outside the adjusting rod 22, two ends of each return spring 23 are respectively connected with the pawl 24 and the inner wall of the support sleeve 19, the ratchet 24 is pushed through the reset spring 23, the ratchet 24 can be inserted into the ratchet 17, the back plate 6 is installed on the back surface of the fixed plate 2, the sponge back cushion 8 is sleeved on the outer side of the back plate 6, the elastic band 7 is sleeved on the top of the sponge back cushion 8, the back cushion 14 is installed on the back surface of the elastic band 7, the back of a human body can be supported through the back cushion 14, a user feels comfortable when using the fixing seat plate, the elastic cushion 13 is installed at the top end of the fixing seat plate 1, the elastic cushion 13 is made of artificial leather, the elastic cushion 13 is filled with the elastic sponge cushion, the user can feel comfortable when using the fixing seat plate through the elastic sponge cushion, the mounting frame 4 is installed in the middle of the bottom end of the fixing seat plate 1, the power block 11 is installed in the mounting frame 4, the regulating switch 12 is installed on one side of the bottom end of the fixing seat plate 1, the regulating switch 12 is located on the front side of the mounting frame 4, and the regulating switch 12 is electrically connected with the power block 11, the internally mounted of cushion 13 has heat conduction pad 10, and heat conduction pad 10 internally mounted has heating wire 9, and the heating wire 9 both ends are connected with power supply block 11 and regulation and control switch 12 electricity respectively, can control power supply block 11 through regulation and control switch 12 and to the power supply of heating wire 9, can heat cushion 13 to can control the temperature of heating wire 9 through regulation and control switch 12, it is comparatively convenient when using.

In the utility model, when the user uses the device, the user sits on the elastic cushion 13, leans against the back on the sponge back cushion 8, backward extrudes the backboard 6 through the back, can drive the spring sleeve 16 to rotate through the action of the fixed plate 2 and the support sleeve 19, thereby enabling the support sleeve 19 to drive the pawl 24 to slide outside the ratchet wheel 17, can adjust the backboard 6 to a proper angle through the extrusion of the backboard 6, after stopping applying force to the backboard 6, can drive the support sleeve 19 and the pawl 24 to reversely rotate through the recovery action of the spring sleeve 16, so that the pawl 24 is inserted between the teeth of the ratchet wheel 17, thereby enabling the adjusted backboard 6 to be fixed, then when the elastic cushion 13 needs to be heated, the power supply block 11 can be controlled to electrify the heating wire 9 through rotating the regulation switch 12, the heating wire 9 can generate heat, and the temperature of the heating wire 9 can be adjusted through the regulation switch 12, when the position of the headrest 14 needs to be adjusted, the height of the headrest 14 can be adjusted by pulling the elastic band 7.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The novel office chair comprises a fixed seat board (1) and is characterized in that support frames (5) are installed on two sides of the fixed seat board (1), movable grooves (15) are formed in the front sides of two ends of the fixed seat board (1), spring sleeves (16) are transversely installed in the movable grooves (15), ratchet wheels (17) are sleeved in the middle of the spring sleeves (16), the back of each ratchet wheel (17) is fixedly installed in each movable groove (15), movable sleeves (18) are sleeved on two sides of each spring sleeve (16), support sleeves (19) are installed on the top ends of the movable sleeves (18) together, the support sleeves (19) are sleeved above the ratchet wheels (17), fixing plates (2) are installed on one opposite sides of the support sleeves (19) together, and movable seats (20) are installed at the tops of the left inner wall and the right inner wall of each support sleeve (19), movable rod (21) are installed jointly at the middle part of sliding seat (20), the mid-mounting of movable rod (21) bottom has pawl (24), the bottom activity of pawl (24) alternates in the inside of ratchet (17), the mid-mounting on pawl (24) top has regulation pole (22), the top of adjusting pole (22) upwards passes and supports cover (19), the outside cover of adjusting pole (22) is equipped with reset spring (23), the both ends of reset spring (23) are connected with pawl (24) and the inner wall that supports cover (19) respectively, the back mounted of fixed plate (2) has backplate (6), the outside cover of backplate (6) is equipped with sponge cushion (8), elastic cushion (13) are installed on the top of fixed bedplate (1).

2. The novel office chair as claimed in claim 1, wherein a mounting frame (4) is mounted in the middle of the bottom end of the fixed seat board (1), a power supply block (11) is mounted inside the mounting frame (4), a control switch (12) is mounted on one side of the bottom end of the fixed seat board (1), the control switch (12) is located on the front side of the mounting frame (4), and the control switch (12) is electrically connected with the power supply block (11).

3. The novel office chair as claimed in claim 2, wherein the elastic cushion (13) is internally provided with a heat conducting pad (10), the heat conducting pad (10) is internally provided with a heating wire (9), and two ends of the heating wire (9) are respectively electrically connected with the power supply block (11) and the regulating switch (12).

4. The novel office chair as claimed in claim 1, wherein the top of the sponge back cushion (8) is sleeved with an elastic band (7), and a back cushion (14) is mounted on the back of the elastic band (7).

5. The novel office chair as claimed in claim 1, wherein the bottom ends of the front and rear sides of the supporting frame (5) are movably sleeved with rubber sleeves (3).

6. The novel office chair as claimed in claim 1, wherein the elastic cushion (13) is made of artificial leather, and an elastic sponge cushion is filled in the elastic cushion (13).