CN214760221U

CN214760221U - Ventilation type chair cushion

Info

Publication number: CN214760221U
Application number: CN202120964468.8U
Authority: CN
Inventors: 于红伟; 张密锋
Original assignee: Pujiang Haidi Home Textile Co ltd
Current assignee: Pujiang Haidi Home Textile Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2021-11-19
Anticipated expiration: 2031-05-07

Abstract

The utility model discloses a ventilation type chair cushion, which comprises a sponge main body, a contact surface arranged on the upper part of the sponge main body, an installation surface arranged on the lower part of the sponge main body, and a through hole arranged in the middle of the sponge main body; a plurality of exhaust units are arranged in the sponge main body; the exhaust unit comprises a plurality of exhaust holes arranged in the sponge main body, a passive heat dissipation channel communicated with the exhaust holes and the through holes, and an active heat dissipation assembly arranged in the exhaust holes. The utility model discloses a set up initiative radiator unit, strengthened the air permeability of chair cushion, promoted the use travelling comfort of chair cushion.

Description

Ventilation type chair cushion

Technical Field

The utility model belongs to the technical field of the chair pad, especially, relate to a ventilation type chair pad.

Background

The existing chair cushion is mainly made of fluffy fillers such as sponge and the like, has good elasticity, poor ventilation and poor heat dissipation, and is used in hot weather with poor effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a ventilation type chair cushion with active heat dissipation, which overcomes the defects of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a ventilating chair cushion comprises a sponge main body, a contact surface arranged on the upper part of the sponge main body, an installation surface arranged on the lower part of the sponge main body, and a through hole arranged in the middle of the sponge main body; the method is characterized in that: a plurality of exhaust units are arranged in the sponge main body; the exhaust unit comprises a plurality of exhaust holes arranged in the sponge main body, a passive heat dissipation channel for communicating the exhaust holes with the through holes, and an active heat dissipation assembly arranged on the exhaust holes; a plurality of exhaust unit have increased the inside space of seat pad, and the exhaust hole can receive the extrusion when using, oppress air wherein and get into in the tiny space of sponge or release the through-hole through passive heat dissipation channel, and when the exhaust hole release, the inside gas of outside air and sponge can get into the exhaust hole, has strengthened the air permeability of seat pad.

The active heat dissipation assembly comprises a base fixedly connected to the lower part of the exhaust hole, a gas storage bin arranged on the base, a pressure cover slidably connected to the base, a return spring connected between the pressure cover and the base, a plurality of air vents arranged on the sponge main body, an air faucet fixedly connected to the pressure cover and slidably connected to the air vents, an air inlet communicated with the gas storage bin, an air inlet valve slidably connected to the air inlet, a clearance hole arranged in the air inlet valve, a stepped groove arranged in the air inlet, a plug fixedly connected to the air inlet valve and slidably connected to the stepped groove, an air inlet spring sleeved on the air inlet valve, a first output hole arranged on the lower part of the gas storage bin and an enhanced heat dissipation assembly connected with the sponge main body; when a user sits on the chair cushion, the sponge main body moves downwards, the pressure cover in the exhaust hole receiving the pressure slides downwards along the gas storage bin, the air pressure in the gas storage bin is increased, the plug is buckled with the stepped groove, the air inlet valve is closed upwards, and the gas in the gas storage bin is gradually discharged through the first output hole; when a user adjusts the sitting posture, the pressure on the upper part of the pressure cover disappears, the pressure cover bounces upwards under the action of the return spring, the air inlet valve is opened downwards, the air nozzle starts to suck air, air in the surrounding sponge enters the air storage bin through the clearance hole, outside air enters the gap in the sponge to perform active air replacement, meanwhile, heat is taken away synchronously, regional heat dissipation can be dynamically performed on the chair cushion according to the sitting posture change of the user, and the ventilation performance and the use comfort of the chair are enhanced; meanwhile, the cooperation of the pressure cover and the base can enhance the elasticity of the chair cushion and reduce the deformation. The durability is improved.

The enhanced heat dissipation assembly comprises a first return pipe communicated with the first output hole, a second return pipe arranged on the sponge main body, a second output hole communicated with the second return pipe and the exhaust hole, an adjusting cylinder connected with the first return pipe and the second return pipe, an adjusting bin arranged on the adjusting cylinder, a first piston slidably connected with the adjusting bin, a boosting cylinder fixedly connected with the first piston, a boosting piston fixedly connected with the upper part of the adjusting bin and slidably connected with the boosting cylinder, a releasing bin arranged on the lower part of the adjusting cylinder, fine holes communicated with the boosting cylinder and the releasing bin, a balance hole communicated with the adjusting bin and the releasing bin, a one-way valve slidably connected with the balance hole, a filter block fixedly connected with the lower part of the releasing bin and a balance spring arranged on the releasing bin; the first return pipe is communicated with the pressurizing cylinder; the second return pipe is communicated with the adjusting bin; the first return pipe and the second return pipe are hard rubber pipes which can be bent axially; the air in the air storage bin reaches the pressurizing barrel through the first return pipe, so that the air pressure in the pressurizing barrel is increased, the pressurizing barrel and the first piston are driven to move downwards until the air pressure in the adjusting bin is reduced, the air in the exhaust hole flows into the adjusting bin through the second return pipe for supplement, further, the air pressure in the exhaust hole is reduced, the air in the sponge main body around the sponge starts to flow into the exhaust hole for supplement, the external air enters the sponge for replacement, the global directional air flow is formed, and further, the ventilation and heat dissipation effects of the chair cushion are enhanced; the fine holes are arranged for pressure release, and the high pressure of the pressurizing cylinder can be slowly released, so that the duration of active air suction in the adjusting bin is prolonged; the balance spring can restore the state of each mechanism of the chair cushion when the chair cushion is not in use.

To sum up, the utility model has the advantages of it is following: the utility model discloses a set up initiative radiator unit, strengthened the air permeability of chair cushion, promoted the use travelling comfort of chair cushion.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a cross-sectional view taken along a-a of fig. 2.

Fig. 4 is a cross-sectional view taken along B-B of fig. 2.

Fig. 5 is a cross-sectional view taken along line C-C of fig. 2.

Fig. 6 is a top view of the present invention.

Fig. 7 is a cross-sectional view taken along line D-D of fig. 6.

Fig. 8 is an enlarged view of fig. 7 at a.

Fig. 9 is an enlarged view at B in fig. 8.

Fig. 10 is a cross-sectional view taken along E-E of fig. 6.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model clear, complete description.

As shown in fig. 1 to 10, a ventilated type seat cushion comprises a sponge main body 1, a contact surface 11, a mounting surface 12, and a through hole 13; the contact surface 11 is arranged at the upper part of the sponge main body 1; the mounting surface 12 is arranged at the lower part of the sponge main body 1; the through hole 13 is arranged in the middle of the sponge main body 1; the exhaust unit 2 is arranged inside the sponge main body 1; the exhaust unit 2 comprises an exhaust hole 21, a passive heat dissipation channel 22 and an active heat dissipation component 3; the exhaust hole 21 is arranged in the sponge main body 1; the passive heat dissipation channel 22 is communicated with the exhaust hole 21 and the through hole 13; the active heat dissipation assembly 3 is arranged on the exhaust hole.

The active heat dissipation assembly 3 comprises a base 31, an air storage bin 32, a pressure cover 33, a return spring 34, a vent hole 35, an air tap 36, an air inlet hole 37, an air inlet valve 38, a clearance hole 39, a stepped groove 310, a plug 311, an air inlet spring 312, a first output hole 313 and an enhanced heat dissipation assembly 4; the base 31 is fixedly connected with the lower part of the exhaust hole 21; the gas storage bin 32 is arranged on the base 31; the pressure cover 33 is slidably connected to the base 31; the return spring 34 connects the pressure cover 33 and the base 31; the vent hole 35 is arranged in the sponge main body 1; the air tap 36 is fixedly connected to the pressure cover 33 and slidably connected to the vent hole 35; the air inlet 37 is communicated with the air storage bin 32; the intake valve 38 is slidably connected to the intake hole 37; the clearance hole 39 is provided in the intake valve 38; the stepped groove 310 is arranged on the air inlet hole 37; the plug 311 is fixedly connected to the air inlet valve 38 and is slidably connected to the stepped groove 310; the intake spring 312 is sleeved on the intake valve 38; the lower part of the gas storage bin 32; the heat dissipation enhancement assembly 4 is connected with the sponge main body 1.

The heat dissipation enhancement assembly 4 comprises a first return pipe 41, a second return pipe 42, a second output hole 43, an adjusting cylinder 44, an adjusting bin 45, a first piston 46, a pressurizing cylinder 47, a pressurizing piston 48, a releasing bin 49, a fine hole 410, a balance hole 411, a one-way valve 412, a filter block 413 and a balance spring 414; the first return pipe 41 is communicated with the first output hole 313; the second return pipe 42 is arranged on the sponge main body 1; the second output hole 43 communicates the second return pipe 42 with the exhaust hole 21; the adjusting cylinder 44 connects the first return pipe 41 and the second return pipe 42; the adjusting bin 45 is arranged on the adjusting cylinder 44; the first piston 46 is slidably connected to the adjustment chamber 45; the pressurizing cylinder 47 is fixedly connected to the first piston 46; the pressurizing piston 48 is fixedly connected to the upper part of the adjusting bin 45 and is slidably connected to the pressurizing cylinder 47; the release cabin 49 is arranged at the lower part of the adjusting cylinder 44; the fine hole 410 is communicated with the pressurizing cylinder 47 and the releasing cabin 49; the balance hole 411 is communicated with the adjusting bin 45 and the releasing bin 49; the check valve 412 is slidably connected to the balancing hole 411; the filter block 413 is fixedly connected to the lower part of the release bin 49; the balance spring 414 is arranged on the release bin 49; the first return pipe 41 is communicated with the pressurizing cylinder 47; the second return pipe 42 is communicated with the adjusting bin 45; the first return pipe 41 and the second return pipe 42 are rigid rubber pipes that can be bent in the axial direction.

The specific working process is as follows:

the plurality of exhaust units 2 increase the gap inside the seat cushion, the exhaust holes are squeezed when the seat cushion is used, air in the exhaust holes is pressed to enter a fine space of the sponge or is released into the through hole 13 through the passive heat dissipation channel 22, and when the exhaust holes 21 are released, outside air and air inside the sponge enter the exhaust holes 21, so that the ventilation performance of the seat cushion is enhanced.

When a user sits on the seat cushion, the sponge main body 1 moves downwards, the pressure cover 33 in the exhaust hole 21 receiving pressure slides downwards along the air storage bin 32, the air pressure in the air storage bin 32 is increased, the plug 311 is buckled with the stepped groove 310, the air inlet valve 38 is closed upwards, and the gas in the air storage bin 32 is gradually discharged through the first output hole 313; when a user adjusts the sitting posture, the pressure on the upper part of the pressure cover 33 disappears, the pressure cover 33 bounces upwards under the action of the return spring 34, the air inlet valve 38 is opened downwards, the air nozzle 36 starts to suck air, the air in the sponge at the periphery enters the air storage bin 32 through the clearance hole 39, the outside air enters the gap in the sponge to perform active air replacement, meanwhile, the heat is taken away synchronously, regional heat dissipation can be performed on the chair cushion dynamically according to the sitting posture change of the user, and the ventilation performance and the use comfort of the chair are enhanced; meanwhile, the cooperation of the pressure cover 33 and the base 31 can enhance the elasticity of the cushion and reduce the deformation. The durability is improved.

The gas in the gas storage bin 32 reaches the pressurizing cylinder 47 through the first return pipe 41, so that the gas pressure in the pressurizing cylinder 47 is increased, the pressurizing cylinder 47 and the first piston 46 are driven to move downwards until the gas pressure in the adjusting bin 45 is reduced, the gas in the exhaust hole 21 flows into the adjusting bin 45 through the second return pipe 42 for supplement, further, the gas pressure in the exhaust hole 21 is reduced, the gas in the surrounding sponge main body 1 starts to flow into the exhaust hole 21 for supplement, the outside gas enters the sponge for replacement, global directional gas flow is formed, and further, the ventilation and heat dissipation effects of the seat cushion are enhanced; the fine holes 410 are arranged for pressure release, which can be the slow release of high pressure of the pressurizing cylinder 47, thereby improving the duration of active air suction in the adjusting bin 45; the counterbalance spring 414 may restore the various mechanisms of the seat cushion when the seat cushion is not in use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A ventilation type chair cushion comprises a sponge main body (1), a contact surface (11) arranged at the upper part of the sponge main body (1), an installation surface (12) arranged at the lower part of the sponge main body (1), and a through hole (13) arranged in the middle of the sponge main body (1); the method is characterized in that: a plurality of exhaust units (2) are arranged in the sponge main body (1); exhaust unit (2) including locate sponge main part (1) inside a plurality of exhaust holes (21), intercommunication exhaust hole (21) with passive radiating channel (22) of through-hole (13) and locate the initiative radiator unit (3) in exhaust hole.

2. The ventilated seat cushion as claimed in claim 1, wherein the active heat dissipation assembly (3) comprises a base (31) fixedly connected to the lower portion of the air outlet hole (21), a gas storage bin (32) arranged on the base (31), a pressure cover (33) slidably connected to the base (31), a return spring (34) connected to the pressure cover (33) and the base (31), a plurality of vent holes (35) arranged on the sponge body (1), an air tap (36) fixedly connected to the pressure cover (33) and slidably connected to the vent hole (35), an air inlet hole (37) communicated to the gas storage bin (32), an air inlet valve (38) slidably connected to the air inlet hole (37), a clearance hole (39) arranged on the air inlet valve (38), a stepped groove (310) arranged on the air inlet hole (37), a plug (311) fixedly connected to the air inlet valve (38) and slidably connected to the stepped groove (310), a plurality of air outlet holes (35) arranged on the sponge body (1), and a step groove (310) fixedly connected to the air inlet valve (38), The air inlet spring (312) of air inlet valve (38), first delivery hole (313) of gas storage bin (32) lower part and with reinforcing radiator unit (4) that sponge main part (1) are connected are located to the cover.

3. A ventilated seat cushion according to claim 2 wherein: the heat dissipation enhancement assembly (4) comprises a first return pipe (41) communicated with the first output hole (313), a second return pipe (42) arranged on the sponge main body (1), a second return pipe (42) communicated with the second return pipe (42) and a second output hole (43) of the exhaust hole (21), an adjusting cylinder (44) connected with the first return pipe (41) and the second return pipe (42), an adjusting bin (45) arranged on the adjusting cylinder (44), a first piston (46) connected with the adjusting bin (45) in a sliding manner, a pressurizing cylinder (47) fixedly connected with the first piston (46), a pressurizing piston (48) fixedly connected with the upper part of the adjusting bin (45) and connected with the pressurizing cylinder (47) in a sliding manner, a releasing bin (49) arranged on the lower part of the adjusting cylinder (44), and a pore (410) communicated with the pressurizing cylinder (47) and the releasing bin (49), The balance hole (411) is communicated with the adjusting bin (45) and the releasing bin (49), the one-way valve (412) is connected with the balance hole (411) in a sliding mode, the filter block (413) is fixedly connected to the lower portion of the releasing bin (49), and the balance spring (414) is arranged on the releasing bin (49); the first return pipe (41) is communicated with the pressurization cylinder (47); the second return pipe (42) is communicated with the adjusting bin (45).