CN111358209B

CN111358209B - Folding chair of blowing

Info

Publication number: CN111358209B
Application number: CN201911135314.1A
Authority: CN
Inventors: 陈校波; 陈丰旺; 陈健
Original assignee: Zhejiang Jialide Sports Technology Co ltd
Current assignee: Zhejiang Jialide Sports Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2023-04-28
Anticipated expiration: 2039-11-19
Also published as: CN111358209A

Abstract

The invention discloses a blowing folding chair, which aims to solve the defects of poor ventilation property and poor comfort when sitting on the folding chair. The folding chair comprises a folding chair body, a blowing pad and a fan, wherein the blowing pad and the fan are arranged on the folding chair body, the blowing pad comprises a mesh cloth, a ventilation plate and a buffer pad which are sequentially arranged from top to bottom, a ventilation gap is arranged between the ventilation plate and the buffer pad, a fan blowing port is communicated with the ventilation gap, and a plurality of blowing holes which are arranged towards the mesh cloth are formed in the ventilation plate. The person sits on the folding chair and has good air permeability, the wet back and buttocks can be dried, the phenomenon of skin adhesion can not occur even if the person sits on the folding chair in hot summer, and the comfort is good.

Description

Folding chair of blowing

Technical Field

The invention relates to an article for daily use, in particular to a blowing folding chair.

Background

As a common living goods, chairs are used by almost everyone, and in order to facilitate the movement and save the space, many chairs are made into foldable chairs, and the common chairs are wooden folding chairs and iron folding chairs. The iron folding chair generally adopts an iron framework, and a cloth or plastic seat is arranged on the iron framework, so that the iron folding chair is convenient to manufacture, low in cost and widely used. However, the conventional folding chairs have poor air permeability, and the skin is easy to adhere when sitting on the folding chairs in hot summer due to higher temperature, so that the comfort is poor.

Disclosure of Invention

The invention overcomes the defects of poor air permeability and poor comfort when sitting on the folding chair, and provides the air blowing folding chair which has good air permeability, can not cause skin adhesion even when sitting on the folding chair in hot summer and has good comfort.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a folding chair of blowing, includes folding chair body, installs pad, the fan of blowing on folding chair body, and the pad of blowing includes from last screen cloth, ventilation board, the blotter that down set gradually, sets up the clearance of ventilating between ventilation board and the cushioned, and the fan blows wind gap and ventilation clearance intercommunication, sets up a plurality of blowholes that set up towards the screen cloth on the ventilation board.

When the folding chair is used, a person sits on the air blowing pad, the fan works to blow air to the ventilation gap, and the air is blown to the mesh cloth through the air blowing holes on the ventilation plate, so that the air is blown to the buttocks and the back of the user, the person sits on the folding chair, the air permeability is good, the wet back and the buttocks can be dried, the phenomenon of skin adhesion can not occur even if the person sits on the folding chair in hot summer, and the comfort is good.

Preferably, a plurality of upper supporting bulges are arranged on the upper surface of the ventilation plate, a plurality of lower supporting bulges are arranged on the lower surface of the ventilation plate, the mesh cloth is supported on the upper supporting bulges, the lower supporting bulges are supported on the cushion pad, and the edges of the mesh cloth, the ventilation plate and the cushion pad are tightly connected. The mesh cloth supports on the upper supporting bulge to enable the mesh cloth to be isolated from the ventilation plate, so that the ventilation property of the mesh cloth is improved. The lower supporting bulge is supported on the cushion pad to ensure that a ventilation gap is formed between the ventilation plate and the cushion pad.

Preferably, the folding chair body comprises a foldable chair frame, a chair seat and a chair back, wherein the chair seat and the chair back are arranged on the chair frame, the blowing cushion comprises a cushion part and a backrest part, the cushion part is arranged on the chair seat, and the backrest part is arranged on the chair back. The air blowing pad is stably and reliably installed.

Preferably, a blower fan is installed on the lower surface of the seat, and an air outlet of the blower fan blows air rearward from the front end of the cushion portion. The blower blows air rearward from the front end of the cushion portion, facilitating blowing of air flow to the air blowing cushion back portion.

Preferably, the blowing holes are arranged in one-to-one correspondence with the upper supporting protrusions, positioning convex rings are arranged on the upper surface of the ventilation plate and correspond to the blowing holes, the lower parts of the upper supporting protrusions are movably sleeved in the positioning convex rings, the lower ends of the upper supporting protrusions are connected with limiting plates, buffer springs are connected between the upper supporting protrusions and the upper surfaces of the positioning convex rings, the limiting plates are abutted to the lower surfaces of the positioning convex rings, ventilation cavities are arranged in the upper supporting protrusions, a plurality of air inlet holes are uniformly distributed on the outer walls of the lower parts of the upper supporting protrusions, a plurality of air outlet holes are arranged at the upper ends of the upper supporting protrusions, and the air inlet holes and the air outlet holes are all communicated with the ventilation cavities.

After a person sits on the blowing pad, the upper supporting bulge which is seated is pressed downwards under the action of pressure, so that the opening end of the air inlet hole moves downwards and is communicated with the air blowing hole, and air flows through the air blowing hole, the air inlet hole, the ventilation cavity and the air outlet hole to blow to a human body. The upper supporting bulge which is not seated at the empty position of the blowing pad is not pressed downwards, and the air inlet hole is isolated from the blowing hole, so that no air flow is blown to the mesh cloth from the blowing hole at the empty position, and the waste of the air flow is avoided.

Preferably, the folding chair body is provided with a fastening mounting bracket, the bracket is arranged below the blowing pad, a plurality of liftable elastic main pipes are arranged on the bracket, a plurality of vertically arranged branch pipes are arranged on the elastic main pipes at intervals, the upper ends of the branch pipes movably penetrate through the buffer cushion and the ventilation plate and then are connected with the mesh cloth, the mesh cloth is elastic, the ventilation plate is formed by hinging two hard plates together, a rotating shaft driven by a motor to rotate is arranged on the bracket, a cam is arranged on the rotating shaft in one-to-one correspondence with the elastic main pipes, the elastic main pipes are provided with abutting bulges, the outer walls of the cams are attached to the abutting bulges, supporting springs are arranged on the brackets, and the elastic main pipes are supported on the supporting springs.

After people sit on the pad of blowing, the motor drives the pivot to make the cam rotate together with the pivot, the cam promotes to bounce and is responsible for the downmovement, drive the branch pipe and move downwards, the hookup location with the branch pipe upper end on the screen cloth downmovement and separate with the human body, the highest point on the cam slides and breaks away from in the twinkling of an eye behind the butt arch with the cam surface, under the combined action of elastic screen cloth and supporting spring, bounce and responsible for upwards bounce, thereby make the branch pipe upwards bounce, upwards bounce with branch pipe hookup location on the screen cloth, the cam constantly rotates, make the screen cloth regularly bounce, the gas permeability of this position has been increased, can carry out the spring massage of certain degree to buttock and back simultaneously, increase the comfort level.

Preferably, branch pipe both ends link up, branch pipe all with the bullet move and be responsible for the intercommunication, bullet moves and is responsible for one end and seals, the breather hose is connected to the other end, breather hose connects gradually and ventilates joint and drainage tube, the drainage tube communicates the fan air outlet, the breather joint is installed on the support and is close to a branch pipe setting, the breather joint includes the nipple seat, the valve block, be equipped with valve opening and the jack that link up the nipple seat on the nipple seat, the valve opening vertically sets up, the jack transversely sets up, the valve block slidable cartridge is in the jack, be equipped with the through-flow hole on the valve block, valve block one end is equipped with the push rod of outside extension, be connected positioning spring between valve block other end and the nipple seat, the through-flow hole staggers the setting with the valve opening, be equipped with the impeller block on the impeller block from bottom to top slope setting, the laminating of push rod tip is in the impeller face lower extreme.

In the process of downward movement of the branch pipe, the pushing surface on the pushing block pushes the pushing rod, so that the valve plate moves towards the direction of the positioning spring, the through hole on the valve plate is communicated with the valve hole, and air flow blown out by the fan enters the elastic main pipe after passing through the drainage pipe, the valve hole and the ventilation hose, and is blown out from the upper end of the branch pipe to the screen cloth, and the air flow is blown to a human body, so that the comfort of the position is improved.

Preferably, a positioning sleeve is arranged on the bracket at a position close to the cam, and the branch pipe at the position is movably sleeved with the positioning sleeve. The setting of locating sleeve makes the lift of branch pipe more steady reliable.

Preferably, the support is provided with a L-shaped support extending downwards at a position corresponding to the support spring, and the support spring is arranged on the support. The support is convenient for installing the support spring.

Compared with the prior art, the invention has the beneficial effects that: the air-blowing folding chair has good air permeability, can not cause skin adhesion even if sitting on the folding chair in hot summer, and has good comfort.

Drawings

FIG. 1 is a schematic view of a construction of the present invention;

fig. 2 is an exploded view of the blowing pad of embodiment 1 of the present invention;

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

FIG. 4 is a schematic view showing a partial structure of a aeration panel according to embodiment 2 of the present invention;

fig. 5 is a partial structural schematic diagram of embodiment 2 of the present invention;

FIG. 6 is an enlarged partial schematic view of FIG. 5 in accordance with the present invention;

in the figure: 1. the folding chair comprises a folding chair body, 2, a blowing pad, 3, a fan, 4, a mesh cloth, 5, a ventilation plate, 6, a buffer cushion, 7, a blowing hole, 8, an upper supporting bulge, 9, a lower supporting bulge, 10, a chair frame, 11, a chair seat, 12, a chair back, 13, a shell, 14, a blade, 15, an air inlet, 16, an air outlet, 17, a protective net cover, 18, a positioning convex ring, 19, a limiting disc, 20, a buffer spring, 21, a ventilation cavity, 22, an air inlet hole, 23, an air outlet hole, 24, a support, 25, a spring main pipe, 26, a branch pipe, 27, a rotating shaft, 28, a cam, 29, a bulge, 30, an abutting bulge, 31, a supporting spring, 32, a ventilation hose, 33, a ventilation joint, 34, a drainage tube, 35, a joint seat, 36, a valve plate, 37, a valve hole, 38, an inserting hole, 39, a through hole, 40, a push rod, 41, a positioning spring, 42, a pushing block, 43, a pushing surface, 44, a positioning sleeve, 45 and a support.

Detailed Description

The technical scheme of the invention is further specifically described by the following specific embodiments with reference to the accompanying drawings:

example 1: the utility model provides a folding chair of blowing (see fig. 1 to 3), includes folding chair body 1, installs pad 2, fan 3 of blowing on folding chair body, and the pad of blowing includes from last screen cloth 4, ventilation board 5, the blotter 6 that set gradually down, sets up the clearance of ventilating between the ventilation board and the cushioned, and the fan blows wind gap and ventilation clearance intercommunication, sets up a plurality of wind holes 7 that set up towards the screen cloth on the ventilation board. The upper surface of the ventilation plate is provided with a plurality of upper supporting bulges 8, the lower surface of the ventilation plate is provided with a plurality of lower supporting bulges 9, the mesh cloth is supported on the upper supporting bulges, the lower supporting bulges are supported on the cushion pad, and the edges of the mesh cloth, the ventilation plate and the cushion pad are tightly connected. The folding chair body comprises a foldable chair frame 10, a chair seat 11 and a chair back 12 which are arranged on the chair frame, and the blowing cushion comprises a cushion part and a backrest part, wherein the cushion part is arranged on the chair seat, and the backrest part is arranged on the chair back. The air blowing holes are fine holes, which is beneficial to maintaining pressure of the ventilation gaps and is convenient for the air flow to stably blow backwards to the backrest part. The fan is installed on the lower surface of seat support, and the air outlet of fan is bloied backward from the front end of cushion part. The fan comprises a shell 13, blades 14 and a rotating motor, wherein the blades are arranged on an output shaft of the rotating motor, the blades are arranged in the shell, an air inlet 15 and an air outlet 16 are arranged on the shell, the air inlet is arranged on the lower end face of the shell, the air outlet is arranged on the side face of the shell, and a protective net cover 17 is arranged at the position of the air inlet on the shell. The ventilation plate is a plastic plate and has certain flexibility and can be bent, the cushion pad is a sponge cushion, and the outside of the cushion pad is coated with a protective skin. The fan is provided with a storage battery, the storage battery is arranged on the chair frame, and the storage battery supplies power for the fan. Or the fan is directly connected with a power line, and the mains supply provides power.

Example 2: the structure of the blowing folding chair (see fig. 4 to 6) is similar to that of the embodiment 1, and the main difference is that in the embodiment, the blowing holes are arranged in one-to-one correspondence with the upper supporting protrusions, positioning convex rings 18 are arranged on the upper surface of the ventilating plate and correspond to the blowing holes, the cross sections of the positioning convex rings are of inverted T-shaped structures, the lower parts of the upper supporting protrusions are movably sleeved in the positioning convex rings, the lower ends of the upper supporting protrusions are connected with limiting discs 19, buffer springs 20 are connected between the upper supporting protrusions and the upper surfaces of the positioning convex rings, the limiting discs are abutted to the lower surfaces of the positioning convex rings, ventilating cavities 21 are arranged in the upper supporting protrusions, a plurality of air inlet holes 22 are uniformly distributed on the outer walls of the lower parts of the upper supporting protrusions, a plurality of air outlet holes 23 are arranged at the upper ends of the upper supporting protrusions, and the air inlet holes and the air outlet holes are all communicated with the ventilating cavities. The blowing hole is in a truncated cone-shaped structure with a small upper part and a large lower part, and the front side of the lower supporting bulge is close to the rear side of the blowing hole. The inner wall of the positioning convex ring completely covers the opening end of the air inlet.

The folding chair body is fastened with a mounting bracket 24, the bracket is arranged below the blowing pad, a plurality of liftable elastic main pipes 25 are mounted on the bracket, and the elastic main pipes are transversely arranged left and right. The cushion part and the back part all install a plurality of elasticity and be responsible for the below, and the elasticity is responsible for the branch pipe 26 of interval installation a plurality of vertical settings, and the branch pipe upper end activity runs through the blotter, is connected with the screen cloth after the board of ventilating, and the branch pipe upper end is equipped with the rubber buffer head, and the rubber buffer head is connected with the screen cloth, and the screen cloth has elasticity, and the board of ventilating is articulated by two stereoplasm boards and is constituted together, and the cushion edge of blowing and chair frame fastening connection. The support is provided with a rotating shaft 27 driven by a motor to rotate, the lower part of the cushion part and the lower part of the backrest part are respectively provided with a rotating shaft, and the two rotating shafts are connected through a universal joint. The cam 28 is arranged on the rotating shaft in one-to-one correspondence with the main flicking pipe, the cam is provided with a bulge 29, the outer wall of the bulge is of an arc structure, the distance from the outer wall of the bulge to the center of the cam is gradually increased from one end to the other end, the bulges of the cam on the same rotating shaft are staggered, the main flicking pipe is provided with a butt bulge 30, the outer wall of the cam is attached to the butt bulge, the support spring 31 is arranged on the support, and the main flicking pipe is supported on the support spring. The blowing pad sinks to a certain extent after the human body sits down, and the cam can still drive the elastic main pipe to move downwards through rotation.

The branch pipe both ends link up, the branch pipe all is responsible for the intercommunication with the bullet, bullet moves, be responsible for one end and seals, the ventilation hose 32 is connected to the other end, ventilation hose connects gradually ventilation joint 33 and drainage tube 34, the drainage tube communicates the fan air outlet, ventilation joint installs on the support and is close to a branch pipe setting, ventilation joint includes the nipple seat 35, valve block 36, be equipped with the valve opening 37 and jack 38 that link up the nipple seat on the nipple seat, the valve opening vertical setting, the jack transversely sets up, the valve block slidable cartridge is in the jack and transversely runs through the valve opening, be equipped with through-flow hole 39 on the valve block, valve block one end is equipped with the push rod 40 of outwards extending, connect positioning spring 41 between valve block other end and the nipple seat, through-flow hole and valve opening stagger the setting, be equipped with the impeller 42 near the push rod top on the branch pipe, be equipped with the thrust face 43 that the slope set up from bottom to outside on the impeller, the laminating of push rod tip is at the thrust face lower extreme. A positioning sleeve 44 is arranged on the bracket near the cam, and the branch pipe at the position is movably sleeved with the positioning sleeve. The support is provided with a L-shaped support 45 extending downwards at a position corresponding to the support spring, and the support spring is arranged on the support. Other structures are the same as those of embodiment 1.

After people sit on the pad of blowing, the motor drives the pivot to make the cam rotate together with the pivot, the cam promotes to bounce and is responsible for the downmovement, drive the branch pipe and move downwards, the hookup location with the branch pipe upper end on the screen cloth downmovement and separate with the human body, the highest point on the cam slides and breaks away from in the twinkling of an eye behind the butt arch with the cam surface, under the combined action of elastic screen cloth and supporting spring, bounce and responsible for upwards bounce, thereby make the branch pipe upwards bounce, upwards bounce with branch pipe hookup location on the screen cloth, the cam constantly rotates, make the screen cloth regularly bounce, the gas permeability of this position has been increased, can carry out the spring massage of certain degree to buttock and back simultaneously, increase the comfort level. In the process of downward movement of the branch pipe, the pushing surface on the pushing block pushes the pushing rod, so that the valve plate moves towards the direction of the positioning spring, the through hole on the valve plate is communicated with the valve hole, and air flow blown out by the fan enters the elastic main pipe after passing through the drainage pipe, the valve hole and the ventilation hose, and is blown out from the upper end of the branch pipe to the screen cloth, and the air flow is blown to a human body, so that the comfort of the position is improved.

The above-described embodiments are merely preferred embodiments of the present invention, and the present invention is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.

Claims

1. The utility model provides a folding chair of blowing, its characterized in that includes folding chair body, installs the pad of blowing on folding chair body, fan, and the pad of blowing includes screen cloth, aeration board, the blotter that sets gradually from top to bottom, sets up the clearance of ventilating between aeration board and the cushioned pad, and fan air vent and clearance intercommunication of ventilating, set up a plurality of wind holes that set up towards the screen cloth on the aeration board; the folding chair comprises a folding chair body, a support, a plurality of lifting elastic main pipes, a plurality of support pipes, a supporting spring and a supporting spring, wherein the support is fastened on the folding chair body and arranged below a blowing pad; branch pipe both ends link up, branch pipe all link up with the bullet is responsible for the intercommunication, bullet is responsible for one end and is sealed, the breather hose is connected to the other end, breather hose connects gradually and ventilates joint and drainage tube, the drainage tube communicates the fan air outlet, the breather joint is installed on the support and is close to a branch pipe setting, the breather joint includes the joint seat, the valve block, be equipped with valve opening and the jack that link up the joint seat on the joint seat, the valve opening sets up vertically, the jack transversely sets up, valve block slidable cartridge is in the jack, be equipped with the through-flow hole on the valve block, valve block one end is equipped with the push rod of outwards extending, connect positioning spring between valve block other end and the joint seat, the through-flow hole staggers with the valve opening and sets up, be equipped with the propelling movement face that the slope set up from bottom to top on the propelling movement piece, the laminating of push rod tip is in the propelling movement face lower extreme.

2. The blowing folding chair according to claim 1, wherein a plurality of upper supporting protrusions are provided on the upper surface of the ventilation plate, a plurality of lower supporting protrusions are provided on the lower surface of the ventilation plate, the mesh cloth is supported on the upper supporting protrusions, the lower supporting protrusions are supported on the cushion pad, and edges of the mesh cloth, the ventilation plate and the cushion pad are tightly connected.

3. A blowing folding chair according to claim 1, wherein the folding chair body comprises a foldable chair frame, a seat mounted on the chair frame, and a back, the blowing pad comprises a seat cushion portion mounted on the seat and a back portion mounted on the back.

4. A blowing folding chair according to claim 3, wherein a blower is installed on a lower surface of the seat, and an air outlet of the blower blows rearward from a front end of the cushion portion.

5. The blowing folding chair according to claim 2, wherein the blowing holes are arranged in one-to-one correspondence with the upper supporting protrusions, positioning convex rings are arranged on the upper surface of the ventilation plate and correspond to the blowing holes, the lower parts of the upper supporting protrusions are movably sleeved in the positioning convex rings, the lower ends of the upper supporting protrusions are connected with limiting plates, buffer springs are connected between the upper supporting protrusions and the upper surfaces of the positioning convex rings, the limiting plates are abutted to the lower surfaces of the positioning convex rings, ventilation cavities are arranged in the upper supporting protrusions, a plurality of air inlet holes are uniformly distributed on the outer walls of the lower parts of the upper supporting protrusions, a plurality of air outlet holes are arranged at the upper ends of the upper supporting protrusions, and the air inlet holes and the air outlet holes are all communicated with the ventilation cavities.

6. A blowing folding chair according to claim 1, wherein the bracket is provided with a positioning sleeve adjacent to the cam, and the branch pipe at the position is movably sleeved with the positioning sleeve.

7. The blowing folding chair according to claim 1, wherein the support is provided with a downwardly extending L-shaped support corresponding to the support spring, and the support spring is mounted on the support.