CN113246824A - Integrated air flue control module of automobile seat pneumatic massage waist support - Google Patents
Integrated air flue control module of automobile seat pneumatic massage waist support Download PDFInfo
- Publication number
- CN113246824A CN113246824A CN202110753280.3A CN202110753280A CN113246824A CN 113246824 A CN113246824 A CN 113246824A CN 202110753280 A CN202110753280 A CN 202110753280A CN 113246824 A CN113246824 A CN 113246824A
- Authority
- CN
- China
- Prior art keywords
- air
- seat
- valve
- electromagnetic valve
- inflation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/64—Back-rests or cushions
- B60N2/66—Lumbar supports
- B60N2/665—Lumbar supports using inflatable bladders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/976—Details or parts not otherwise provided for massaging systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
Abstract
The invention provides an integrated air flue control module of a pneumatic massage waist support of an automobile seat, which comprises: the electromagnetic valve assembly is uniformly arranged on the circuit board through electromagnetic valve seats, one side of the circuit board is provided with an air inlet seat, and the air inlet seat is provided with an air inlet nozzle used for being connected with an air pump; the solenoid valve subassembly includes: the air-discharge valve is connected with the air-discharge valve, the air folding seat is positioned at the air inlet end of the air-discharge valve, and the sealing seat is connected with the air-discharge valve; the invention has the advantages that: compared with an external connecting pipeline, the pipeline connection is greatly reduced, the air leakage risk can be reduced when the gas output is reduced, and the product performance is improved. And the cost is greatly reduced, so that the product has market competitiveness.
Description
Technical Field
The invention belongs to the technical field of pneumatic massage waist supports, and particularly relates to an integrated air passage control module of a pneumatic massage waist support of an automobile seat.
Background
The waist support installed on the automobile seat at present mainly has two kinds: mechanical and pneumatic. The pneumatic waist support has the characteristics of no supporting hard points, good fitting performance, high comfort, expandability, high cost performance and the like, and has higher market competitiveness than a mechanical waist support.
The pneumatic waist support on the market mainly comprises a plurality of air bags, an air channel connected with the air bags, an air channel control module for controlling the air channel, and a circuit control device.
The following technical problems are faced by the airway control module, which generally acts on the airway of the gas delivery process through an integrated airway:
1. gas transmission connection problems: the gas duct is attached with a device for connecting the output gas. Thereby with the purpose of an external connection and solenoid valve air nozzle series connection reach integrated air flue, obviously can the cost of greatly increased product to install external connecting line and need use devices such as dedicated frock, tamp to seal, this makes the process comparatively troublesome.
2. Too many output connections lead to air leakage problems: when the electromagnetic valve works, the air outlet is connected with the joint, the air leakage between the air valves is increased due to excessive connection, the air flow is obviously lost, and the product performance is obviously reduced.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an integrated air passage control module for a pneumatic massage lumbar support of an automobile seat, which is used to reduce connections, reduce the risk of air leakage when outputting air, and improve the performance of products, so as to overcome the above disadvantages of the prior art.
The invention provides an integrated air flue control module of a pneumatic massage waist support of an automobile seat, which comprises an upper cover body, a lower cover body, a circuit board arranged between the upper cover body and the lower cover body, electromagnetic valve assemblies arranged on the circuit board, an air outlet nozzle connected with the electromagnetic valve assemblies, and an air bag connected with the air outlet nozzle, wherein the improvement is that a plurality of groups of electromagnetic valve assemblies are uniformly distributed and arranged on the circuit board through electromagnetic valve seats, one side of the circuit board is provided with an air inlet seat, and the air inlet seat is provided with an air inlet nozzle connected with an air pump;
the solenoid valve assembly includes: the electromagnetic valve assembly comprises an inflation valve, an air discharge valve connected with the inflation valve, an air stacking seat positioned at the air inlet end of the inflation valve, and a sealing seat connected with the inflation valve and the air discharge valve, wherein the inflation valve and the air discharge valve are arranged along the same straight line, one end of the air stacking seat is provided with an air guide pipe, the other end of the air stacking seat is provided with an air stacking hole, the air guide pipe is sleeved with an O-shaped sealing ring, the air guide pipe is inserted into the air stacking hole through the O-shaped sealing ring, the air stacking seats of the inflation valves of the electromagnetic valve assembly are connected end to form an air passage switching pipeline, and after the air stacking seats of the inflation valves are connected end to end, the air stacking hole of the air stacking seat positioned at;
the tail end of the air inlet nozzle is provided with an air stacking hole, and an air guide pipe of the electromagnetic valve assembly positioned at the head end is inserted into the air stacking hole of the air inlet nozzle through an O-shaped sealing ring.
As a preferable structure of the invention, a plurality of groups of electromagnetic valve components are arranged in parallel, and an air passage switching pipeline formed by connecting a plurality of air stacking bases end to end is arranged vertically to the electromagnetic valve components.
As a preferable structure of the invention, the air stacking seat of each electromagnetic valve component is communicated with the corresponding air outlet nozzle.
As the preferred structure of the invention, the sealing seat is composed of an O-shaped sealing ring sleeved on the air release end at the tail part of the inflation valve and an air inlet of the deflation valve, and the air release end at the tail part of the inflation valve is inserted into the air inlet of the deflation valve through the sealing ring.
The invention also aims to provide an integrated air passage control method of the automobile seat pneumatic massage waist support, which specifically comprises the following steps:
step S1: preparing a circuit board, and uniformly arranging a plurality of groups of electromagnetic valve seats on the circuit board, wherein pins at the bottom of the electromagnetic valve seats are electrically connected with corresponding pins on the circuit board;
step S2: according to the number of the air bags for pneumatically massaging the waist support, a corresponding number of electromagnetic valve assemblies are integrated on an electromagnetic valve seat, and pipelines connected with the electromagnetic valve assemblies are integrated in the upper cover body and the lower cover body; the electromagnetic valve component consists of an inflation valve, a deflation valve connected with the inflation valve, an air overlapping seat positioned at the air inlet end of the inflation valve and a sealing seat connecting the inflation valve and the deflation valve;
step S3: carrying out integrated sealing connection on a plurality of groups of electromagnetic valve assemblies;
step S31: the air channel switching pipeline is formed by connecting the air folding seats of a plurality of groups of inflation valves end to end; wherein the connection mode of the air folding seat positioned at the middle section is as follows: the air duct that is located the air folding seat of front end passes through O type sealing washer and pegs graft in the air folding hole that is located the air folding seat of rear end, and wherein the air folding seat connected mode that is located the head end is: utilize the folding gas seat that is located the head end position to pass through the air duct and be connected with the folding gas pocket of suction nozzle afterbody, wherein the folding gas seat connected mode that is located the tail end is: the air stacking seat at the tail part is used for sealing connection through a sealing steel ball in interference connection in the air stacking hole;
step S4: connecting the inflation valve and the air release valve by using a connecting seat;
step S41: sleeving an O-shaped sealing ring on the air leakage end at the tail part of the inflation valve;
step S42: the air release end at the tail part of the inflation valve with the O-shaped sealing ring is inserted into the air inlet of the deflation valve.
The invention has the advantages and positive effects that:
1. according to the invention, the plurality of groups of electromagnetic valve assemblies are integrated on the circuit board, and the air channel switching pipeline is completely arranged in the upper cover body and the lower cover body in a connection mode of the air overlapping seats, so that compared with an external connection pipeline, the pipeline connection is greatly reduced, the air leakage risk is reduced when the air is output, and the product performance is improved. And the cost is greatly reduced, so that the product has market competitiveness.
2. The electromagnetic valve component can be freely combined with various connections and different channels, adopts the O-shaped sealing ring to be directly connected with the valve body, and has the advantages of simple installation, good air tightness, simplicity, convenience and quickness, and difficult air leakage.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description taken in conjunction with the accompanying drawings. In the drawings:
fig. 1 is a schematic overall structure diagram according to an embodiment of the present invention.
Fig. 2 is an exploded view of the overall structure according to an embodiment of the present invention.
Fig. 3 is one of the overall structural side views according to an embodiment of the present invention.
Fig. 4 is a second side view of the overall structure according to the embodiment of the present invention.
Fig. 5 is a top view of the overall structure according to an embodiment of the present invention.
Fig. 6 is a sectional view a-a of fig. 4.
Wherein the reference numerals include: the air-tight cover comprises an upper cover body 1, a lower cover body 2, a circuit board 3, an electromagnetic valve assembly 4, an inflation valve 401, a deflation valve 402, an air folding seat 403, a sealing seat 404, an air duct 405, an air folding hole 406, an O-shaped sealing ring 407, a sealing steel ball 408, an air outlet nozzle 5, an air inlet seat 6, an air inlet nozzle 7 and an air passage switching pipeline 8.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
Example 1
Referring to fig. 1-6, the integrated air passage control module for the pneumatic massage waist support of the automobile seat, provided by the invention, comprises an upper cover body 1, a lower cover body 2, a circuit board 3 arranged between the upper cover body 1 and the lower cover body 2, an electromagnetic valve assembly 4 arranged on the circuit board 3, an air outlet nozzle 5 connected with the electromagnetic valve assembly 4, and an air bag connected with the air outlet nozzle 5, wherein the three electromagnetic valve assemblies 4 are uniformly arranged on the circuit board 3 through electromagnetic valve seats, an air inlet seat 6 is arranged on one side of the circuit board 3, and an air inlet nozzle 7 connected with an air pump is arranged on the air inlet seat 6.
The solenoid valve assembly 4 in the present embodiment includes: the air charging valve 401, the bleed valve 402 that is connected with the air charging valve 401, the air folding seat 403 that is located the inlet end of the air charging valve 401, the seal receptacle 404 of connecting air charging valve 401 and bleed valve 402, air charging valve 401 and bleed valve 402 are arranged along the same straight line, the one end of air folding seat 403 is provided with air duct 405, air folding hole 406 has been seted up to the other end of air folding seat 403, the cover is equipped with O type sealing washer 407 on the air duct 405, air duct 405 passes through O type sealing washer 407 is pegged graft in the air folding hole 406, it is three air duct switching pipeline 8 is constituteed to the end to end of air folding seat 403 of air charging valve 401 of solenoid valve subassembly 4, it is three after the end to end of air folding seat 403 of air charging valve 401, the interference is connected with a sealed steel ball 408 in the air folding hole 406 of air folding seat 403 that is located the afterbody position.
In this embodiment, the tail end of the air inlet nozzle 5 is also provided with an air overlapping hole 406, and the air duct 405 of the electromagnetic valve assembly 4 at the head end is inserted into the air overlapping hole 406 of the air inlet nozzle 5 through an O-ring 407.
In this embodiment, the three solenoid valve assemblies 4 are arranged in parallel, and the three air passage switching pipelines 8 formed by connecting the air stacking bases 403 end to end are arranged perpendicular to the solenoid valve assemblies 4.
The air stacking seats 403 of the three solenoid valve assemblies 4 in this embodiment are all communicated with the corresponding air outlet nozzles 5.
The sealing seat 404 in this embodiment is composed of an O-ring 407 sleeved on the air release end of the tail portion of the inflation valve 401 and an air inlet of the deflation valve 402, and the air release end of the tail portion of the inflation valve 401 is inserted into the air inlet of the deflation valve 402 through the sealing ring 407.
The working principle is as follows: according to the number and the corresponding functions of the air bags, the corresponding number of electromagnetic valve assemblies 4 are integrated on the circuit board 3, the air passage switching pipeline 8 is formed in a connecting mode of the air stacking seat 403, the connecting mode of the air passage switching pipeline 8 is that the air guide pipe 405 of the air stacking seat 403 positioned at the front end is directly inserted into the air stacking hole 406 of the air stacking seat 403 positioned at the rear end through the O-shaped sealing ring 407, through the connection reduction, the air leakage risk can be reduced when the air output is reduced, the product performance is improved, and the O-shaped sealing ring 407 can ensure that the risk of air leakage cannot occur.
Example 2
The embodiment provides an integrated air passage control method for a pneumatic massage waist support of an automobile seat, which specifically comprises the following steps:
step S1: preparing a circuit board 3 embedded with a massage waist support control circuit, and uniformly arranging three electromagnetic valve seats on the circuit board 3, wherein pins at the bottom of the electromagnetic valve seats are electrically connected with corresponding pins on the circuit board;
step S2: according to the number of the air bags for pneumatically massaging the waist support, a corresponding number of electromagnetic valve assemblies 4 are integrated on an electromagnetic valve seat, and pipelines connected with the electromagnetic valve assemblies 4 are integrated in the upper cover body and the lower cover body; the electromagnetic valve assembly 4 is composed of an inflation valve 401, a deflation valve 402 connected with the inflation valve 401, an air overlapping seat 403 positioned at the air inlet end of the inflation valve 401, and a sealing seat 404 connected with the inflation valve 401 and the deflation valve 402;
step S3: carrying out integrated sealing connection on the multiple groups of electromagnetic valve assemblies 4;
step S31: the air channel switching pipeline 8 is formed by connecting the air folding seats 403 of the three inflation valves 401 end to end; wherein the connection mode of the air folding seat 403 positioned at the middle section is as follows: the air duct 405 of the air folding seat 403 at the front end is inserted into the air folding hole 406 of the air folding seat 403 at the rear end through an O-ring 407, wherein the air folding seat 403 at the head end is connected in the following manner: the air folding seat 403 at the head end is connected with the air folding hole 406 at the tail part of the air inlet nozzle 5 through the air duct 405, wherein the air folding seat 403 at the tail end is connected in the following way: the air stacking seat 403 at the tail position is used for sealing connection through a sealing steel ball 408 in interference connection in the air stacking hole 406;
step S4: the connecting seat 404 is used for connecting the inflation valve 401 and the deflation valve 402;
step S41: an O-shaped sealing ring 407 is sleeved on the air discharging end at the tail part of the inflation valve 401;
step S42: the air release end at the tail part of the inflation valve 401 with the O-shaped sealing ring 407 is inserted into the air inlet of the deflation valve 402.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. An integrated form air flue control module that pneumatic massage waist of car seat held in palm includes: the air bag type air pump comprises an upper cover body, a lower cover body, a circuit board arranged between the upper cover body and the lower cover body, electromagnetic valve assemblies arranged on the circuit board, air outlet nozzles connected with the electromagnetic valve assemblies, and air bags connected with the air outlet nozzles, and is characterized in that a plurality of groups of electromagnetic valve assemblies are uniformly distributed on the circuit board through electromagnetic valve seats, one side of the circuit board is provided with an air inlet seat, and the air inlet seat is provided with an air inlet nozzle connected with an air pump;
the solenoid valve assembly includes: the electromagnetic valve assembly comprises an inflation valve, an air discharge valve connected with the inflation valve, an air stacking seat positioned at the air inlet end of the inflation valve, and a sealing seat connected with the inflation valve and the air discharge valve, wherein the inflation valve and the air discharge valve are arranged along the same straight line, one end of the air stacking seat is provided with an air guide pipe, the other end of the air stacking seat is provided with an air stacking hole, the air guide pipe is sleeved with an O-shaped sealing ring, the air guide pipe is inserted into the air stacking hole through the O-shaped sealing ring, the air stacking seats of the inflation valves of the electromagnetic valve assembly are connected end to form an air passage switching pipeline, and after the air stacking seats of the inflation valves are connected end to end, the air stacking hole of the air stacking seat positioned at the tail part is connected with a sealing steel ball in an interference manner;
the tail end of the air inlet nozzle is provided with an air stacking hole, and an air guide pipe of the electromagnetic valve assembly positioned at the head end is inserted into the air stacking hole of the air inlet nozzle through an O-shaped sealing ring.
2. The integrated air passage control module for the pneumatic massage waist support of the automobile seat according to claim 1, wherein a plurality of groups of the electromagnetic valve assemblies are arranged in parallel, and an air passage switching pipeline formed by connecting a plurality of the air folding seats end to end is arranged perpendicular to the electromagnetic valve assemblies.
3. The integrated air passage control module for the pneumatic massage lumbar support of the automobile seat according to claim 1, wherein the air stacking seat of each solenoid valve assembly is communicated with the corresponding air outlet nozzle.
4. The integrated airway control module of the pneumatic massage waist support for the car seat as claimed in claim 1, wherein the sealing seat is composed of an O-ring sleeved on the air release end at the tail of the inflation valve and an air inlet of the deflation valve, and the air release end at the tail of the inflation valve is inserted into the air inlet of the deflation valve through the sealing ring.
5. An integrated air flue control method for a pneumatic massage waist support of an automobile seat is characterized by comprising the following steps:
step S1: preparing a circuit board, and uniformly arranging a plurality of groups of electromagnetic valve seats on the circuit board, wherein pins at the bottom of the electromagnetic valve seats are electrically connected with corresponding pins on the circuit board;
step S2: according to the number of the air bags for pneumatically massaging the waist support, a corresponding number of electromagnetic valve assemblies are integrated on an electromagnetic valve seat, and pipelines connected with the electromagnetic valve assemblies are integrated in the upper cover body and the lower cover body; the electromagnetic valve component consists of an inflation valve, a deflation valve connected with the inflation valve, an air overlapping seat positioned at the air inlet end of the inflation valve and a sealing seat connecting the inflation valve and the deflation valve;
step S3: carrying out integrated sealing connection on a plurality of groups of electromagnetic valve assemblies;
step S31: the air channel switching pipeline is formed by connecting the air folding seats of a plurality of groups of inflation valves end to end; wherein the connection mode of the air folding seat positioned at the middle section is as follows: the air duct that is located the air folding seat of front end passes through O type sealing washer and pegs graft in the air folding hole that is located the air folding seat of rear end, and wherein the air folding seat connected mode that is located the head end is: utilize the folding gas seat that is located the head end position to pass through the air duct and be connected with the folding gas pocket of suction nozzle afterbody, wherein the folding gas seat connected mode that is located the tail end is: the air stacking seat at the tail part is used for sealing connection through a sealing steel ball in interference connection in the air stacking hole;
step S4: connecting the inflation valve and the air release valve by using a connecting seat;
step S41: sleeving an O-shaped sealing ring on the air leakage end at the tail part of the inflation valve;
step S42: the air release end at the tail part of the inflation valve with the O-shaped sealing ring is inserted into the air inlet of the deflation valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110753280.3A CN113246824A (en) | 2021-07-02 | 2021-07-02 | Integrated air flue control module of automobile seat pneumatic massage waist support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110753280.3A CN113246824A (en) | 2021-07-02 | 2021-07-02 | Integrated air flue control module of automobile seat pneumatic massage waist support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113246824A true CN113246824A (en) | 2021-08-13 |
Family
ID=77190657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110753280.3A Pending CN113246824A (en) | 2021-07-02 | 2021-07-02 | Integrated air flue control module of automobile seat pneumatic massage waist support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113246824A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116080502A (en) * | 2023-02-20 | 2023-05-09 | 长春亚大汽车零件制造有限公司 | Seat valve integrating automobile seat waist support airbag switch and side wing airbag switch |
-
2021
- 2021-07-02 CN CN202110753280.3A patent/CN113246824A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116080502A (en) * | 2023-02-20 | 2023-05-09 | 长春亚大汽车零件制造有限公司 | Seat valve integrating automobile seat waist support airbag switch and side wing airbag switch |
| CN116080502B (en) * | 2023-02-20 | 2023-07-14 | 长春亚大汽车零件制造有限公司 | Seat valve integrating automobile seat waist support airbag switch and side wing airbag switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109318770B (en) | Seat multi-airbag comfort system integrating lumbar support and multipoint massage | |
| CN105443832A (en) | Electromagnetic air valve | |
| CN102874144A (en) | Vehicle seat | |
| CN113246824A (en) | Integrated air flue control module of automobile seat pneumatic massage waist support | |
| CN112959929B (en) | Pneumatic adjusting system for solenoid valve pump valve module and car seat | |
| CN105443807A (en) | Combined-type distributing valve group | |
| CN215705849U (en) | Integrated air flue control module of automobile seat pneumatic massage waist support | |
| CN204083440U (en) | Electromagnetic gas valve | |
| CN210343897U (en) | Freely combined two-in-four position three-way electromagnetic valve | |
| CN211599628U (en) | Combined type solenoid valve, combined type solenoid valve controller module and car seat | |
| US10253893B2 (en) | Inflation valve seat with adjustable flow | |
| WO2017133586A1 (en) | General purpose air pump integrating inflation and deflation functions | |
| CN109386629B (en) | Charging and discharging valve seat with adjustable flow | |
| CN208996925U (en) | The air pump for having external relief valve | |
| CN213206716U (en) | ECU solenoid valve assembly system for massage air bag and waist support air bag | |
| CN110469489B (en) | Active circulation inflation and deflation device based on single air pump | |
| CN216184689U (en) | Adjustable inflatable cushion for vehicle | |
| CN112109612A (en) | Pneumatic waist support massage system of automobile seat | |
| CN218558661U (en) | Controller adopting gap bridge type gas circuit structure and pneumatic adjusting system of automobile seat | |
| CN210290857U (en) | Two-position two-way electromagnetic valve capable of being freely combined | |
| CN2334966Y (en) | Gas distributing valve | |
| CN207762313U (en) | A kind of automotive seat massage system solenoid valve block | |
| CN218063501U (en) | Car, massage seat and many gas circuits controlling means | |
| CN213594142U (en) | Pneumatic waist support massage system of automobile seat | |
| CN209672047U (en) | A kind of Yoga ball fills exhaust apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |