CN222992244U - Gas distribution device and pneumatic comfort system - Google Patents
Gas distribution device and pneumatic comfort system Download PDFInfo
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- CN222992244U CN222992244U CN202421732002.5U CN202421732002U CN222992244U CN 222992244 U CN222992244 U CN 222992244U CN 202421732002 U CN202421732002 U CN 202421732002U CN 222992244 U CN222992244 U CN 222992244U
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Abstract
本实用新型涉及气动舒适系统技术领域，特别是涉及一种气体分配装置，包括壳体；电路板，设置于所述壳体内；第一电磁阀组，具有至少两个电磁阀，第一电磁阀组的至少两个电磁阀安装于电路板上并与电路板电连接；第二电磁阀组，具有至少两个电磁阀，第二电磁阀组的至少两个电磁阀安装于电路板上并与电路板电连接；进气管，具有进气嘴以及与进气嘴连通的进气流道，且进气流道分别与第一电磁阀组的至少两个电磁阀及第二电磁阀组的至少两个电磁阀连通，从进气嘴进入至进气流道内的气体能够向第一电磁阀组的至少两个电磁阀及第二电磁阀组的至少两个电磁阀分别供应。本实用新型的气体分配装置的供气适配性广，且组装精度和组装效率高，成本低。
The utility model relates to the technical field of pneumatic comfort systems, and in particular to a gas distribution device, comprising a housing; a circuit board, arranged in the housing; a first solenoid valve group, having at least two solenoid valves, the at least two solenoid valves of the first solenoid valve group being mounted on the circuit board and being electrically connected to the circuit board; a second solenoid valve group, having at least two solenoid valves, the at least two solenoid valves of the second solenoid valve group being mounted on the circuit board and being electrically connected to the circuit board; an air intake pipe, having an air intake nozzle and an air intake flow channel connected to the air intake nozzle, and the air intake flow channel being respectively connected to the at least two solenoid valves of the first solenoid valve group and the at least two solenoid valves of the second solenoid valve group, and the gas entering the air intake flow channel from the air intake nozzle can be respectively supplied to the at least two solenoid valves of the first solenoid valve group and the at least two solenoid valves of the second solenoid valve group. The gas supply adaptability of the gas distribution device of the utility model is wide, and the assembly precision and assembly efficiency are high, and the cost is low.
Description
Technical Field
The utility model relates to the technical field of pneumatic comfort systems, in particular to a gas distribution device and a pneumatic comfort system.
Background
In the pneumatic comfort system, such as a pneumatic massage system, a pneumatic waist support supporting system and the like, the air supply device is connected with the air bag through the air valve module, and the air valve module controls the inflation and deflation of the air bag. The air valve module comprises a plurality of electromagnetic air valves and a circuit board, wherein the electromagnetic air valves and the circuit board are arranged in the shell, the electromagnetic air valves are arranged on the circuit board, and each electromagnetic air valve is respectively connected with an air bag and controls the inflation and deflation of the corresponding air bag.
The existing air valve module is generally formed by integrally forming an air inlet channel on a shell, a plurality of plug-in ports corresponding to a plurality of electromagnetic air valves are formed on the air inlet channel, the electromagnetic air valves are respectively plugged into the plug-in ports after being assembled on a circuit board, and in operation, the air inlet channel receives air inlet flow of an air supply device and is respectively distributed to the electromagnetic air valves through the plug-in ports. The air valve module structure not only increases the molding difficulty of the shell, but also needs to be respectively and accurately spliced with a plurality of splicing ports of the air inlet channel on the shell after a plurality of electromagnetic air valves are assembled and fixed on the circuit board, and has high requirements on the precision of the assembling positions of the electromagnetic air valves, and the difficulty of the assembling process is increased.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a gas distribution device which comprises a shell, a circuit board, a first electromagnetic valve group, a second electromagnetic valve group and a gas inlet pipe, wherein the circuit board is arranged in the shell, the first electromagnetic valve group is provided with at least two electromagnetic valves, the at least two electromagnetic valves of the first electromagnetic valve group are arranged on the circuit board and are electrically connected with the circuit board, the second electromagnetic valve group is provided with at least two electromagnetic valves, the at least two electromagnetic valves of the second electromagnetic valve group are arranged on the circuit board and are electrically connected with the circuit board, the gas inlet pipe is provided with a gas inlet nozzle and a gas inlet runner communicated with the gas inlet nozzle, the gas inlet runner is respectively communicated with the at least two electromagnetic valves of the first electromagnetic valve group and the at least two electromagnetic valves of the second electromagnetic valve group, and gas entering the gas inlet runner from the gas inlet nozzle can be respectively supplied to the at least two electromagnetic valves of the first electromagnetic valve group and the at least two electromagnetic valves of the second electromagnetic valve group.
Optionally, the electromagnetic valve comprises an air inlet seat and an electromagnetic valve body, wherein an air inlet channel is arranged in the air inlet seat, one end of the air inlet channel is a first air port, the other end of the air inlet channel is a first serial port which can be used for being inserted into a first air port of another air inlet seat, the air inlet seats of two adjacent electromagnetic valves in the same group are connected in series, the air inlet channels of the two adjacent electromagnetic valves are communicated, and an air flow channel communicated with the air inlet channel of the air inlet seat is arranged in the electromagnetic valve body.
Optionally, a first limiting block is disposed at one end of the air inlet seat corresponding to the first air connection port, a first limiting groove is disposed at one end of the air inlet seat corresponding to the first serial interface, and after the air inlet seats of the two adjacent electromagnetic valves are connected in series, the air inlet seats relatively rotate and enable the first limiting block to be clamped in the first limiting groove, so that the two adjacent electromagnetic valves are limited to be separated from each other in the serial direction.
Optionally, the air inlet runner is provided with a second air receiving port which can be spliced with the first serial port of the air inlet seat, and the air inlet runner is connected with at least two electromagnetic valves of the first electromagnetic valve group in series.
Optionally, a second limiting block is disposed at one end of the air inlet pipe corresponding to the second air connection port, a first limiting groove is disposed at one end of the air inlet seat corresponding to the first serial port, the air inlet pipe and the air inlet seat of the electromagnetic valve connected in series are connected in series and then relatively rotated, and the second limiting block is clamped in the first limiting groove, so that the air inlet pipe and the electromagnetic valve connected in series are limited to be separated from each other in the serial direction.
Optionally, the air inlet channel is provided with a second serial port which can be inserted with the first air inlet port of the air inlet seat, and the air inlet channel is connected with at least two electromagnetic valves of the second electromagnetic valve group in series.
Optionally, a second limiting groove is provided at one end of the air inlet pipe corresponding to the second serial port, a first limiting block is provided at one end of the air inlet seat corresponding to the first air connection port, the air inlet pipe and the air inlet seat of the adjacent electromagnetic valve are connected in series and then relatively rotated, and the first limiting block is clamped in the second limiting groove, so that the air inlet pipe and the adjacent electromagnetic valve are limited to be separated from each other in the serial direction.
Optionally, the gas distribution device is provided with a sealing ring for preventing the plugging leakage of the first gas port and the first serial port.
Optionally, the gas distribution device is provided with a pressure regulating valve, the pressure regulating valve is arranged on the circuit board and is electrically connected with the circuit board, and the pressure regulating valve is in ventilation communication with at least two electromagnetic valves of the first electromagnetic valve group.
In order to solve the technical problems, the utility model adopts the technical scheme that the pneumatic comfort system comprises an air source device, the air distribution device and an air bag, wherein the air source device is connected with the air bag through the air distribution device in a ventilation way.
The embodiment of the utility model has the beneficial effects that:
According to the gas distribution device, the gas inlet pipe is arranged independently relative to the shell, so that the forming difficulty of the shell is reduced, and the assembly precision requirement of the electromagnetic valve and the assembly process difficulty of the whole device are reduced. Moreover, the air inlet pipe is respectively communicated with the electromagnetic valve groups of the two groups in a ventilation way, so that air flow can be supplied to the electromagnetic valves of the electromagnetic valve groups of the two groups, and the air supply requirements of the electromagnetic valves with different functions can be met.
The electromagnetic valves of the electromagnetic valve groups are connected in series, and the electromagnetic valve groups and the air inlet pipe are connected in series, so that the assembly precision requirement of the electromagnetic valves and the assembly process difficulty of the whole device are further reduced while the air tightness is ensured, and the production cost is reduced.
According to the pneumatic comfort system, the gas distribution device is adopted to control the inflation and deflation of the air bags, and the electromagnetic valve groups can respectively meet the inflation and deflation control requirements of the multifunctional pneumatic comfort system, and are beneficial to reducing the component cost of the whole system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments of the present utility model will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a gas distribution apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic view showing an internal structure of a gas distribution apparatus according to an embodiment of the present utility model;
FIG. 3 is an exploded view showing the internal structure of a gas distribution apparatus according to an embodiment of the present utility model;
FIG. 4 is a schematic cross-sectional view of a two-position three-way solenoid valve in a gas distribution apparatus according to an embodiment of the present utility model;
FIG. 5 is a schematic cross-sectional view of a three-position three-way solenoid valve in a gas distribution apparatus according to an embodiment of the present utility model;
Fig. 6 is a schematic cross-sectional view of a pressure release valve in a gas distribution apparatus according to an embodiment of the present utility model.
Detailed Description
In order that the utility model may be readily understood, a more particular description thereof will be rendered by reference to specific embodiments that are illustrated in the appended drawings. It will be understood that when an element is referred to as being "fixed" to another element, it can be directly on the other element or one or more intervening elements may be present therebetween. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used in this specification includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-2, a gas distribution apparatus 100 according to an embodiment of the present utility model includes a housing 10, a circuit board 20, a first solenoid valve bank 30, a second solenoid valve bank 40, and a gas inlet pipe 50. The circuit board 20, the first electromagnetic valve bank 30 and the second electromagnetic valve bank 40 are arranged in the shell 10, the first electromagnetic valve bank 30 and the second electromagnetic valve bank 40 are assembled on the circuit board 20 and are electrically connected with the circuit board 20, and the air inlet pipe 50 is respectively communicated with the first electromagnetic valve bank 30 and the second electromagnetic valve bank 40.
When the gas distribution device 100 is used, gas is input into the gas inlet pipe 50, and the gas entering the gas inlet pipe 50 is respectively supplied to the first electromagnetic valve group 30 and the second electromagnetic valve group 40, so that gas distribution is realized, gas is further supplied to equipment to be inflated, such as an air bag, and the circuit board 20 controls the operation of electromagnetic valves of the first electromagnetic valve group 30 and the second electromagnetic valve group 40.
Referring to fig. 2, the first electromagnetic valve set 30 includes at least two electromagnetic valves 31 sequentially arranged, the at least two electromagnetic valves 31 of the first electromagnetic valve set 30 are mounted on the circuit board 20 and electrically connected to the circuit board 20, and the at least two electromagnetic valves 31 of the first electromagnetic valve set 30 are communicated with the air inlet pipe 50. When gas is input into the gas inlet pipe 50, the gas inlet pipe 50 supplies gas to at least two electromagnetic valves 31 of the first electromagnetic valve group 30, the circuit board 20 can control the communication or blocking between each electromagnetic valve 31 and corresponding equipment to be inflated, and when the circuit board 20 controls the communication between the electromagnetic valve 31 and the equipment to be inflated, the gas input into the gas inlet pipe 50 is conveyed to the equipment to be inflated after passing through the electromagnetic valve 31, so that the gas supply to the equipment to be inflated is realized as required.
With reference to fig. 2-3, the electromagnetic valve 31 includes an air inlet seat 311 and an electromagnetic valve body 312. The air inlet seat 311 is connected to the electromagnetic valve body 312 and can realize air circulation, the air inlet seat 311 is in ventilation communication with the air inlet pipe 311, the electromagnetic valve body 312 is mounted on the circuit board 20, the circuit board 20 is electrically connected with the electromagnetic valve body 312, the electromagnetic valve body 312 is in ventilation connection with the equipment to be inflated and controls the air charging and discharging of the corresponding equipment to be inflated, the air inlet seats 311 of two adjacent electromagnetic valves 31 of the first electromagnetic valve group 30 are connected in series, namely, the air inlet ends of the electromagnetic valves 31 are connected in series. When gas is input into the gas inlet pipe 50, the gas in the gas inlet pipe 50 sequentially enters each gas inlet seat 311 along the serial connection, the corresponding gas inlet seat 311 supplies gas to the electromagnetic valve body 312 of each electromagnetic valve 31, and when the electromagnetic valve 31 is communicated with the equipment to be inflated, the gas in the gas inlet seat 311 is conveyed to the equipment to be inflated after passing through the electromagnetic valve body 312.
For the above-mentioned air inlet seat 311, referring to fig. 3, an air inlet channel 311a is disposed in the air inlet seat 311, an air flow channel is disposed in the electromagnetic valve body 312 and is communicated with the air inlet channel 311a of the air inlet seat 311, the air flow channel is communicated with the equipment to be inflated, and when the air inlet seat 311 supplies air to the electromagnetic valve body 312, the air inlet channel 311a of the air inlet seat 311 supplies air to the air flow channel of the electromagnetic valve body 312 to supply air to the equipment to be inflated. One end of the air inlet channel 311a is a first air receiving port 311b, and the other end is a first serial port 311c for plugging the first air receiving port 311b of the other air inlet seat 311, between two adjacent electromagnetic valves 31 of the first electromagnetic valve group 30, the first air receiving port 311b of the air inlet seat 311 of one electromagnetic valve 31 is plugged the first serial port 311c of the air inlet seat 311 of the other electromagnetic valve 31, so that two adjacent electromagnetic valves 31 are serial connected with each other. The air inlet channel 311a of the air inlet seat 311 is connected with the electromagnetic valve body 312 in a ventilation way and supplies air to the electromagnetic valve body 312, and the electromagnetic valve body 312 is also provided with an air charging port which is used for being communicated with equipment to be inflated in a ventilation way.
The serial connection between the two adjacent electromagnetic valves 31 is sealed by a sealing ring 70, so that air leakage between the two adjacent electromagnetic valves 31 is prevented. Specifically, the sealing ring 70 is sleeved at the first serial connection port 311c or the first air connection port 311b, for example, the sealing ring 70 is sleeved at the first serial connection port 311c, and is in sealing contact with the outer sidewall of the first serial connection port 311c of one air inlet seat 311 through the inner ring of the sealing ring 70, and the outer ring of the sealing ring 70 is in sealing contact with the inner sidewall of the first air connection port 311b of the air inlet channel 311a of the other air inlet seat 311, so that the serial connection positions of two adjacent electromagnetic valves 31 are sealed.
Referring to fig. 3-5, alternatively, but not limited to, the solenoid valve 31 may be a two-position three-way solenoid valve, or a three-position three-way solenoid valve.
Referring to fig. 4, the solenoid valve body 312 has a structure in which the solenoid valve body 312 includes a first valve body 3121, a first valve core 3122, and a first coil 3123. The first valve body 3121 is connected to the air inlet seat 311, the first coil 3123 is wound around the first valve body 3121, the first valve core 3122 is slidably disposed in the first valve body 3121, the first valve body 3121 has a first conducting chamber 3121a therein, and an air inlet 3121b, an air charging port 3121c and an air discharging port 3121d which are communicated with the first conducting chamber 3121a, wherein the air inlet 3121b is communicated with the air inlet channel 311a of the air inlet seat 311, the air charging port 3121c is used for being communicated with the equipment to be inflated, the air discharging port 3121d is used for being communicated with the atmosphere, the air inlet 3121b, the first conducting chamber 3121a, the air charging port 3121c and the air discharging port 3121d are communicated with the air flow channel of the valve body 312 forming the two-position three-way electromagnetic valve, and the first valve core 3122 can be displaced in the first conducting chamber 3121a by the excitation effect of the first coil 3123 to block the air inlet 3121b or the air discharging port 3121d.
When the electromagnetic valve 31 which is selected as the two-position three-way electromagnetic valve is used, the first valve core 3122 is used for blocking the air leakage port 3121d in a normal state and is used for blocking the air inlet 3121b in a displacement mode under the excitation action of the first coil 3123, when the first valve core 3123 is used for blocking the air leakage port 3121d in a normal state, the air inlet 3121b is opened and is communicated with the air charging port 3121c, the air flowing in from the air inlet channel 311a of the air inlet seat 311 can flow to the air charging port 3121c through the air inlet 3121b to supply air to the equipment to be inflated, and when the first valve core 3122 is used for blocking the air inlet 3121b under the excitation action of the first coil 3123, the air leakage port 3121d is opened and is communicated with the air charging port 3121c to stop supplying air to the equipment to be inflated, and the air to be inflated can flow to the air leakage port 3121d through the air charging port 3121c to be discharged to the atmosphere.
Referring to fig. 5, the solenoid valve body 312 of the three-position three-way solenoid valve is provided with a solenoid valve 31, wherein the solenoid valve body 312 comprises a first valve body 3121, a first valve core 3122, a first coil 3123, a second valve body 3124, a second valve core 3125 and a second coil 3126, the first valve body 3121 is provided with a first conduction chamber 3121a, an air inlet 3121b, an air charging port 3121c and a first communication port 3121e which are communicated with the first conduction chamber 3121a, the first valve core 3122 is arranged in the first conduction chamber 3121a, the first coil 3123 is wound on the first valve body 3121, the first valve core 3122 can block the air inlet 3121b or the first communication port 3121e under the excitation action of the first coil 3123, the second valve body 3124 is provided with a second conduction chamber 3124a, a second communication port 3124b and an air discharging port 3121d which are communicated with the second conduction chamber 3124a, the second valve core 3125 is arranged in the second conduction chamber 3124a, the second valve core 3125 can block the second coil 3124b or the first valve core 3121e under the excitation action of the second coil 3124. And the first communication port 3121e communicates with the second communication port 3124b, the intake port 3121b of the first valve body 3121 communicates with the intake passage 311a of the intake seat 311, the inflation port of the first valve body 3121 is for communicating with the apparatus to be inflated, and the deflation port 3121d of the second valve body 3124 is for communicating with the atmosphere. Wherein the air inlet 3121b, the first communicating chamber 3121a, the inflation port 3121c, the first communicating port 3121a, the second communicating port 3124b, the second communicating chamber 3124a, and the air release port 3121d communicate with an air flow channel of the electromagnetic valve body 312 constituting the three-position three-way electromagnetic valve.
When the first valve core 3122 blocks the first communication port 3121e, the air inlet 3121b is opened and is communicated with the air charging port, the air flowing in from the air inlet channel 311a of the air inlet seat 311 can flow to the air charging port 3121c through the air inlet 3121b to supply air to the equipment to be inflated, when the first valve core 3122 blocks the air inlet 3121b and the second valve core 3125 opens the second communication port 3124b, the air charging port 3121c is communicated with the air discharging port 3121d to stop supplying air to the equipment to be inflated, the air to be inflated can flow to the air discharging port 3121d through the air charging port 3121c and is discharged to the atmosphere, and when the first valve core 3122 blocks the air inlet 3121b and the second valve core 3125 block the second communication port 3124b, the equipment to be inflated maintains preset pressure to realize pressure maintaining of the equipment to be inflated.
Optionally, the electromagnetic valve 31 is a two-position three-way electromagnetic valve, and the first valve core 3122 is at least one of an iron core and a permanent magnet iron core. The electromagnetic valve 31 is selected as a three-position three-way electromagnetic valve, wherein the first valve core 3122 is at least one of an iron core and a permanent magnet iron core, and the second valve core 3125 is at least one of an iron core and a permanent magnet iron core.
Referring to fig. 1 to 2, the second electromagnetic valve set 40 has at least two electromagnetic valves 31, at least two electromagnetic valves 31 of the second electromagnetic valve set 40 are mounted on the circuit board 20 and electrically connected with the circuit board 20, and the at least two electromagnetic valves 31 of the second electromagnetic valve set 40 are connected in series, specifically, the electromagnetic valves 31 include an air inlet seat 311 and an electromagnetic valve body 312 connected with the air inlet seat 311 in a ventilation manner, and the air inlet seat 311 between two adjacent electromagnetic valves 31 is connected in series by plugging the first air inlet 311b and the first serial connection 311 c. Wherein, each solenoid valve 31 of the at least two solenoid valves 31 of the second solenoid valve group 40 may be a two-position three-way solenoid valve or a three-position three-way solenoid valve independently.
In some embodiments, referring to fig. 2-4, for the solenoid valve 31 of the first solenoid valve bank 30 and the second solenoid valve bank 40, the solenoid valve body 312 has an inflation nozzle 313 in communication with the inflation port 3121c, and one end of the inflation nozzle 313 protrudes out of the housing 10 to facilitate quick ventilation connection of the device to be inflated.
For the connection between the at least two solenoid valves 31 of the first solenoid valve group 30 and the air inlet pipe 50, referring to fig. 2, the air inlet pipe 50 is independently disposed with respect to the housing 10, so as to reduce the difficulty in forming the housing 10 and the difficulty and cost in assembling the overall gas distribution apparatus 100. Referring to fig. 3-4, the air inlet pipe 50 has an air inlet nozzle 51 and an air inlet channel 50a communicating with the air inlet nozzle 51, the air inlet channel 50a is provided with a second air inlet port 50b capable of being inserted into the first serial connection port 311c of the air inlet seat 311, and the air inlet channel 50a is serially connected with at least two solenoid valves 31 of the first solenoid valve group 30. When gas is input to the air intake nozzle 51, the gas sequentially passes through the air intake runner 50a and the second air receiving port 50b and then enters the air intake passages 311a of the respective solenoid valves 31 of the first solenoid valve group 30, and is supplied to the solenoid valve bodies 312 of the solenoid valves 31. In addition, a portion of air inlet nozzle 51 extends beyond the outer surface of housing 10 to facilitate a quick vent connection with an air supply device.
The serial connection between the air inlet pipe 50 and the electromagnetic valve 31 connected in series with the first electromagnetic valve group 30 is sealed by a sealing ring 70, so that air leakage between the air inlet pipe 50 and the electromagnetic valve 31 connected in series with the first electromagnetic valve group 30 is prevented. Specifically, the sealing ring 70 is sleeved on the second air connection port 50b of the air intake pipe 50 or the first serial connection port 311c of the air intake seat 311, for example, the first serial connection port 311c of the air intake seat 311 is sleeved, the inner ring of the sealing ring 70 is in sealing contact with the outer wall of the first serial connection port 311c, and part of the sealing ring 70 protrudes out of the outer wall surface of the first serial connection port 311c, when the first serial connection port 311c is in plug connection with the second air connection port 50b of the air intake pipe 50, the outer ring of the sealing ring 70 is in sealing contact with the inner wall of the second air connection port 50b of the air intake pipe 50, so as to realize sealing.
Referring to fig. 2, the second solenoid valve set 40 has at least two solenoid valves 31 sequentially arranged, and the at least two solenoid valves 31 of the second solenoid valve set 40 are connected to the air inlet pipe 50. When gas is input into the gas inlet pipe 50, the gas inlet pipe 50 supplies gas to the two electromagnetic valves 31 of at least the second electromagnetic valve group 40 respectively, the circuit board 20 can control the communication or blocking between at least the electromagnetic valves 31 of the second electromagnetic valve group 40 and corresponding equipment to be inflated respectively, and when the circuit board 20 controls the communication between the electromagnetic valves 31 and the equipment to be inflated, the gas input into the gas inlet pipe 50 is conveyed to the equipment to be inflated after passing through the electromagnetic valves 31.
For connection between the at least two solenoid valves 31 of the second solenoid valve group 40 and the intake pipe 50, referring to fig. 3 to 4, an intake runner 50a of the intake pipe 50 is provided with a second serial port 50c capable of being inserted into the first air receiving port 311b of the intake seat 311, and the intake runner 50a is connected in series with the at least two solenoid valves 31 of the second solenoid valve group 40. When gas is input to the air inlet nozzle 51, the gas sequentially passes through the air inlet flow passage 50a and the second serial port 50c and then enters the air inlet passages 311a of the electromagnetic valves 31 of the second electromagnetic valve group 40, and the gas is supplied to the electromagnetic valve bodies 312 of the electromagnetic valves 31.
The serial connection between the air inlet pipe 50 and the electromagnetic valve 31 connected in series of the second electromagnetic valve group 40 is sealed by a sealing ring 70, so that air leakage between the air inlet pipe 50 and the electromagnetic valve 31 connected in series of the second electromagnetic valve group 40 is prevented. Specifically, the sealing ring 70 is sleeved on the second serial port 50c of the air inlet pipe 50 or the first air receiving port 311b of the air inlet seat 311, for example, is sleeved on the second serial port 50c of the air inlet pipe 50, and is in sealing contact with the outer wall of the second serial port 50c through the inner ring of the sealing ring 70, and part of the sealing ring 70 protrudes out of the outer wall surface of the second serial port 50c, when the air inlet pipe 50 is in plugging connection with the first air receiving port 311b of the electromagnetic valve 31, the outer ring of the sealing ring 70 is in sealing contact with the inner wall of the first air receiving port 311b of the air inlet channel 311a, so as to realize sealing of the plugging connection position.
In some embodiments, the electromagnetic valves 31 of the first electromagnetic valve group 30 and the second electromagnetic valve group 40 are described above, one end of the air inlet seat 311 of each electromagnetic valve 31 corresponding to the first air receiving port 311b is provided with a first limiting block 3111, one end of the air inlet seat 311 corresponding to the first serial connection port 311c is provided with a first limiting groove 311d, when two adjacent electromagnetic valves 31 are installed in a plugging manner, the air inlet seats 311 of the two adjacent electromagnetic valves 31 are connected in series and then relatively rotated, and the first limiting block 3111 is clamped to the first limiting groove 311d, so as to limit the two adjacent electromagnetic valves 31 to be separated from each other in the serial connection direction, and ensure the serial connection stability between the plurality of electromagnetic valves 31 in the same group.
In some embodiments, the second limiting block 52 is disposed at one end of the air inlet pipe 50 corresponding to the second air receiving port 50b, when the electromagnetic valve 31 of the first electromagnetic valve set 30 and the air inlet pipe 50 are installed, the first limiting groove 311d of the air inlet seat 311 corresponding to one end of the first serial connection port 311c corresponds to the second limiting block 52, after the air inlet pipe 50 is serially connected with the air inlet seat 311 of the serially connected electromagnetic valve 31, the air inlet pipe 50 rotates relatively and the second limiting block 52 is clamped to the first limiting groove 311d, so as to limit the air inlet pipe 50 and the serially connected electromagnetic valve 31 from being separated from each other in the serial connection direction, and ensure the serial connection stability between the plurality of electromagnetic valves 31 of the first electromagnetic valve set 30 and the air inlet pipe 50.
In some embodiments, a second limiting groove 50d is disposed at one end of the air inlet pipe 50 corresponding to the second serial port 50c, when the solenoid valve 31 of the second solenoid valve bank 40 and the air inlet pipe 50 are installed, the second limiting groove 50d of the air inlet seat 311 of the solenoid valve 31 corresponding to one end of the second serial port 50c corresponds to the first limiting block 3111, and after the air inlet pipe 50 is connected in series with the air inlet seat 311 of the solenoid valve 31 in series, the air inlet pipe 50 rotates relatively and makes the second limiting block 52 clamped to the second limiting groove 50d, so as to limit the air inlet pipe 50 and the adjacent solenoid valve 31 from being separated from each other in the serial direction, and ensure the serial stability between the plurality of solenoid valves 31 of the second solenoid valve bank 40 and the air inlet pipe 50.
In addition, the gas distribution apparatus 100 of the embodiment of the present utility model further includes a pressure regulating valve 60, referring to fig. 2 to 6, the pressure regulating valve 60 is mounted on the circuit board 20 and electrically connected to the circuit board 20. Moreover, the pressure regulating valve 60 is connected in series with at least two solenoid valves 31 of the first solenoid valve group 30, specifically in series with the air inlet seats 311 of the plurality of solenoid valves 31, or the pressure regulating valve 60 is connected in series with at least two solenoid valves 31 of the second solenoid valve group 40, specifically in series with the air inlet seats 311 of the plurality of solenoid valves 31, or the pressure regulating valve 60 may be connected in series with the air inlet pipe 50, so that pressure relief protection can be performed when the pressure of the air inlet path of the gas distribution device 100 reaches or exceeds a threshold value.
Optionally, the pressure regulating valve 60 is disposed on the first solenoid valve bank 30, and the pressure regulating valve 60 is connected in series with the air inlet seats 311 of at least two solenoid valves 31 of the first solenoid valve bank 30.
In some preferred embodiments, the pressure regulating valve 60 may be an electromagnetic pressure regulating valve, and is mounted on the circuit board 20 and electrically connected to the circuit board 20. The pressure regulating valve 60 includes a pressure regulating valve body 61, a pressure regulating valve core 62, and a pressure regulating coil 63. The pressure regulating valve body 61 is provided with a pressure regulating channel 61a, a pressure regulating air inlet hole 61b and a pressure releasing hole 61c which are communicated with the pressure regulating channel 61a, the pressure regulating air inlet hole 61b is connected in series with an air inlet seat 311 of the electromagnetic valve 31, the pressure releasing hole 61c is communicated with the outside atmosphere, the pressure regulating coil 63 is wound on the pressure regulating valve body 61, and the pressure regulating valve core 62 is arranged in the pressure regulating channel 61 a. When the air pressure of the air inlet channel of the air distribution device 100 does not reach the threshold value, the pressure regulating coil 63 is fed with forward current and generates forward magnetic field, the pressure regulating valve core 62 normally plugs the pressure regulating air inlet hole 61b under the excitation action, when the air pressure of the air inlet channel of the air distribution device 100 reaches or exceeds the threshold value, the pressure regulating coil 63 is fed with reverse current and generates reverse magnetic field, the pressure regulating valve core 62 moves to open the pressure regulating air inlet hole 61b under the excitation action, and the pressure regulating air inlet hole 61b is communicated with the air outlet hole 61c, so that pressure relief and pressure regulation are realized. Optionally, a reset member such as a spring may be further provided, so that when the air pressure of the air inlet channel of the air distribution device 100 does not reach the threshold value, the pressure regulating valve core 62 is urged to normally block the pressure regulating air inlet hole 61b.
In other embodiments, the pressure regulating valve 60 may be a mechanical pressure regulating valve, where the mechanical pressure regulating valve includes a pressure regulating valve body 61, a pressure regulating valve core 62, and an elastic member (not shown), the pressure regulating valve body 61 is provided with a pressure regulating channel 61a, a pressure regulating air inlet hole 61b and a pressure releasing hole 61c, the pressure regulating air inlet hole 61b is connected in series with an air inlet seat of the electromagnetic valve 31, the pressure releasing hole 61c is connected to the outside atmosphere, the pressure regulating valve core 62 is disposed in the pressure regulating channel 61a, the elastic member may be a spring, one end of the elastic member is connected to an end of the pressure regulating valve core 62 facing away from the pressure regulating air inlet hole 61b, the other end of the elastic member is connected to the pressure regulating valve body 61, and the elastic member is kept in a compressed state, so as to promote the pressure regulating valve core 62 to keep blocking the pressure regulating air inlet hole 61b normally. When the air pressure of the air inlet channel of the air distribution device 100 reaches or exceeds the threshold value, the air pressure pushes the pressure regulating valve core 62 to move towards a direction away from the pressure regulating air inlet hole 61b, and the pressure regulating valve core 62 opens the pressure regulating air inlet hole 61b, so that the pressure regulating air inlet hole 61b is communicated with the air leakage hole 61c, and pressure relief and pressure regulation are realized.
In a preferred embodiment, the pressure regulating valve 60 may be connected in series at the head, tail or middle of the arrangement sequence of the at least two solenoid valves 31 of the first solenoid valve group 30, which is not particularly limited. Moreover, the pressure regulating valve 60 may be connected in series with the air inlet seat 311 of the solenoid valve 31 in a similar manner to the first air inlet 311b and the first air outlet 311 c.
In the illustrated embodiment, the pressure regulating valve 60 is connected in series to the tail end of the first solenoid valve set 30, which is far from the air inlet pipe 50, in the arrangement order of the at least two solenoid valves 31. For the connection between the pressure regulating valve 60 and the air inlet seat 311 of the electromagnetic valve 31, referring to fig. 3-6, the first serial connection port 311c of the electromagnetic valve 31 is inserted into the pressure regulating air inlet hole 61b of the pressure regulating valve 60, when air is input into the air inlet pipe 50, and when the air pressure at the air inlet ends of the air inlet pipe 50 and the electromagnetic valve 31 is greater than a threshold value, the air in the air inlet pipe 50 sequentially enters each air inlet seat 311 along the serial connection, then enters the pressure regulating channel 61a through the pressure regulating air inlet hole 61b, and is discharged through the air discharging hole 61 c.
The serial connection between the pressure regulating valve 60 and the electromagnetic valve 31 is sealed by a sealing ring 70, so that air leakage between the pressure regulating valve 60 and the electromagnetic valve 31 is prevented. Specifically, referring to fig. 3, the sealing ring 70 is sleeved on the pressure regulating air inlet hole 61b or the first serial connection hole 311c of the solenoid valve 31, for example, the sealing ring 70 is sleeved on the first serial connection hole 311c of the solenoid valve 31, and is in sealing contact with the outer wall of the first serial connection hole 311c of the solenoid valve 31 through the inner ring of the sealing ring 70, and part of the sealing ring 70 protrudes out of the outer wall surface of the first serial connection hole 311c, so that when the first serial connection hole 311c of the solenoid valve 31 is plugged with the pressure regulating air inlet hole 61b of the pressure regulating valve 60, the outer ring of the sealing ring 70 is in sealing contact with the inner wall of the pressure regulating air inlet hole 61b of the pressure regulating valve 60, thereby realizing sealing.
In some embodiments, the third limiting block 64 is disposed at one end of the pressure regulating valve 60 corresponding to the pressure regulating air inlet hole 61b, and the first limiting groove 311d is disposed at one end of the air inlet seat 311 corresponding to the first serial connection hole 311c, when the pressure regulating valve 60 is installed in a plugging manner with the solenoid valve 31, the pressure regulating valve 60 and the air inlet seat 311 of the serial solenoid valve 31 are relatively rotated after being serially connected and the third limiting block 64 is clamped to the first limiting groove 311d, so as to limit the pressure regulating valve 60 and the serial solenoid valve 31 to be mutually separated in the serial connection direction, and ensure the serial connection stability between the plurality of solenoid valves 31 of the first solenoid valve set 30 and the pressure regulating valve 60.
The utility model also provides an embodiment of a pneumatic comfort system, which comprises an air source device, the air distribution device 100 and an air bag, wherein the air source device is in ventilation connection with the air bag through the air distribution device 100, specifically, the air output end of the air source device is connected with the air inlet nozzle 51 of the air inlet pipe 50 of the air distribution device 100, and the air inlet nozzle 313 of the electromagnetic valve 31 of the first electromagnetic valve group 30 and the air inlet nozzle 313 of the electromagnetic valve 31 of the second electromagnetic valve group 40 are respectively in ventilation connection with the air bag. In operation, air is supplied by the air supply means, and each solenoid valve 31 of the air distribution device 100 controls inflation and deflation of the respective air bag.
The pneumatic comfort system can be more than one of a pneumatic massage system, a pneumatic waist support supporting system and a pneumatic flank supporting system, and the corresponding air bags are massage air bags, waist support air bags and flank air bags.
When the pneumatic comfort system integrates the pneumatic massage system, the pneumatic waist support supporting system and the pneumatic flank supporting system, the electromagnetic valve 31 on the corresponding gas distribution device 100 comprises a two-position three-way electromagnetic valve and a three-position three-way electromagnetic valve, specifically, at least one of the at least two electromagnetic valves 31 of the first electromagnetic valve group 30 can be a two-position three-way electromagnetic valve and at least one of the at least two electromagnetic valves 31 of the second electromagnetic valve group 40 can be a three-position three-way electromagnetic valve, and according to the control function requirement, the air bag of the pneumatic waist support supporting system and the pneumatic flank supporting system is connected with the three-position three-way electromagnetic valve and can realize inflation, deflation and pressure maintaining control, and the air bag of the pneumatic massage system is connected with the two-position three-way electromagnetic valve and can realize inflation and deflation control.
Alternatively, in the pneumatic comfort system described above, the air source device is preferably, but not limited to, an air pump, an air compressor, or an integrated device with a pump valve. The specific structure and function of the gas distribution apparatus 100 can be referred to the above embodiments, and will not be described in detail herein.
It should be noted that while the present utility model has been illustrated in the drawings and described in connection with the preferred embodiments thereof, it is to be understood that the utility model may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but are to be construed as providing a full breadth of the disclosure. The above technical features are further combined with each other to form various embodiments which are not listed above and are all considered as the scope of the present utility model described in the specification, further, the improvement or transformation can be carried out by the person skilled in the art according to the above description, and all the improvements and transformation shall fall within the protection scope of the appended claims.
Claims (10)
1. A gas distribution apparatus, comprising:
A housing;
The circuit board is arranged in the shell;
The first electromagnetic valve bank is provided with at least two electromagnetic valves, and the at least two electromagnetic valves of the first electromagnetic valve bank are arranged on the circuit board and are electrically connected with the circuit board;
The second electromagnetic valve group is provided with at least two electromagnetic valves, and the at least two electromagnetic valves of the second electromagnetic valve group are arranged on the circuit board and are electrically connected with the circuit board;
The air inlet pipe is provided with an air inlet nozzle and an air inlet runner communicated with the air inlet nozzle, the air inlet runner is respectively communicated with at least two electromagnetic valves of the first electromagnetic valve group and at least two electromagnetic valves of the second electromagnetic valve group in a ventilation mode, and gas entering the air inlet runner from the air inlet nozzle can be respectively supplied to the at least two electromagnetic valves of the first electromagnetic valve group and the at least two electromagnetic valves of the second electromagnetic valve group.
2. The gas distribution device according to claim 1, wherein the electromagnetic valve comprises a gas inlet seat and an electromagnetic valve body, a gas inlet channel is arranged in the gas inlet seat, one end of the gas inlet channel is a first gas inlet, the other end of the gas inlet channel is a first serial port which can be used for being inserted into a first gas inlet of another gas inlet seat, the gas inlet seats of two adjacent electromagnetic valves in the same group are connected in series, the gas inlet channels of the two adjacent electromagnetic valves are communicated, and a gas flow channel communicated with the gas inlet channel of the gas inlet seat is arranged in the electromagnetic valve body.
3. The gas distribution device according to claim 2, wherein a first limiting block is disposed at one end of the gas inlet seat corresponding to the first gas connection port, a first limiting groove is disposed at one end of the gas inlet seat corresponding to the first serial port, and the gas inlet seats of two adjacent electromagnetic valves are connected in series and then relatively rotated, and the first limiting block is clamped in the first limiting groove, so as to limit the two adjacent electromagnetic valves to be separated from each other in the serial direction.
4. The gas distribution device according to claim 2, wherein the gas inlet channel is provided with a second gas receiving port which can be inserted into the first serial connection port of the gas inlet seat, and the gas inlet channel is connected in series with at least two electromagnetic valves of the first electromagnetic valve group.
5. The gas distribution device according to claim 4, wherein a second limiting block is arranged at one end of the gas inlet pipe corresponding to the second gas connection port, a first limiting groove is arranged at one end of the gas inlet seat corresponding to the first serial port, the gas inlet pipe and the gas inlet seat of the electromagnetic valve connected in series are connected in series and then relatively rotated, and the second limiting block is clamped in the first limiting groove, so that the gas inlet pipe and the electromagnetic valve connected in series are limited to be separated from each other in the serial direction.
6. The gas distribution device according to claim 2, wherein the gas inlet channel is provided with a second serial port which can be inserted into the first gas receiving port of the gas inlet seat, and the gas inlet channel is connected in series with at least two electromagnetic valves of the second electromagnetic valve group.
7. The gas distribution device according to claim 6, wherein a second limiting groove is provided at an end of the gas inlet pipe corresponding to the second serial port, a first limiting block is provided at an end of the gas inlet seat corresponding to the first gas receiving port, the gas inlet pipe and the gas inlet seat of the adjacent electromagnetic valve are connected in series and then relatively rotated, and the first limiting block is clamped in the second limiting groove, so that the gas inlet pipe and the adjacent electromagnetic valve are limited to be separated from each other in the serial direction.
8. The gas distribution device according to claim 2, characterized in that the gas distribution device is provided with a sealing ring for preventing plug-in venting of the first gas connection port and the first serial port.
9. The gas distribution apparatus according to any one of claims 1 to 8, wherein the gas distribution apparatus is provided with a pressure regulating valve mounted on and electrically connected to the circuit board, the pressure regulating valve being in venting communication with at least two solenoid valves of the first solenoid valve group.
10. A pneumatic comfort system comprising a gas source device, a gas distribution device according to any one of claims 1-9, and a gas bag, said gas source device being in venting connection with said gas bag via said gas distribution device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421732002.5U CN222992244U (en) | 2024-07-19 | 2024-07-19 | Gas distribution device and pneumatic comfort system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421732002.5U CN222992244U (en) | 2024-07-19 | 2024-07-19 | Gas distribution device and pneumatic comfort system |
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| Publication Number | Publication Date |
|---|---|
| CN222992244U true CN222992244U (en) | 2025-06-17 |
Family
ID=95986292
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421732002.5U Active CN222992244U (en) | 2024-07-19 | 2024-07-19 | Gas distribution device and pneumatic comfort system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222992244U (en) |
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2024
- 2024-07-19 CN CN202421732002.5U patent/CN222992244U/en active Active
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