CN219096557U - Control valve body and pneumatic adjusting system for vehicle - Google Patents
Control valve body and pneumatic adjusting system for vehicle Download PDFInfo
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- CN219096557U CN219096557U CN202222316609.2U CN202222316609U CN219096557U CN 219096557 U CN219096557 U CN 219096557U CN 202222316609 U CN202222316609 U CN 202222316609U CN 219096557 U CN219096557 U CN 219096557U
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Abstract
The application provides a control valve body and pneumatic governing system of vehicle, wherein the control valve body includes: the shell is internally provided with a first cavity; the bottom of the first cavity is provided with an air passage; the at least one inflation and deflation mechanism comprises a first interface exposed out of the first cavity and a second interface arranged in the first cavity and communicated with the air passage; the switch mechanism comprises a third interface exposed outside the first cavity and a fourth interface which is arranged in the first cavity and communicated with the air passage; the switch mechanism has a first state and a second state; in the first state, the switch mechanism closes the fourth interface to block the air passage, and gas cannot enter the air charging and discharging mechanism; in the second state, the switch mechanism opens the fourth interface, and gas enters the air passage through the third interface and the fourth interface to supply gas for the gas charging and discharging mechanism; a first drive assembly for driving the switching mechanism to switch between a first state and a second state; the continuous inflation of the inflation and deflation mechanism is avoided, and the service life of the inflation and deflation mechanism is prolonged.
Description
Technical Field
The application relates to the technical field of automobile seats, in particular to a control valve body and a vehicle pneumatic adjusting system.
Background
With the technological development of the vehicle traffic field, the requirements of people on the riding comfort of vehicles are higher and higher. The waist and back adjusting and massaging device of the seat is generated, and the problem of fatigue of the waist and back of a human body, which is easy to cause when long-time driving, is effectively solved. An air bag is arranged in a part of vehicle seat backs in the market at present, an air source is arranged on the vehicle, and the air bag is inflated and deflated through an inflation and deflation valve to realize the effect of massaging by time sequence inflation and deflation of the air bag; because the air source pressure of the automobile is in a continuous output state, the automobile can continuously charge and discharge air through the valve body, and the service life of the valve body can be reduced.
Disclosure of Invention
In view of the above-described drawbacks or deficiencies of the prior art, the present application is directed to a control valve body vehicle pneumatic adjustment system.
In a first aspect, the present application provides a control valve body comprising:
a housing having a first cavity therein; the bottom of the first cavity is provided with an air passage;
the air charging and discharging mechanism comprises a first interface exposed out of the first cavity and a second interface arranged in the first cavity and communicated with the air passage, and the second interface is communicated with an external air utilization unit;
the switch mechanism comprises a third interface exposed out of the shell and a fourth interface arranged in the first cavity and communicated with the air passage, and the fourth interface is communicated with an external air source; the switch mechanism has a first state and a second state;
in the first state, the switch mechanism is closed to block the gas path between the gas path and the third interface, so that gas cannot enter the gas path; in the second state, the switch mechanism is opened, and gas enters the air passage through the third interface and the fourth interface to supply gas to the inflation and deflation mechanism;
a first drive assembly for driving the switching mechanism to switch between the first state and the second state.
According to the technical scheme provided by the embodiment of the application, the switching mechanism comprises:
the first air chamber is arranged in the first cavity, a first air port is arranged on the side, relatively close to the third interface, of the first air chamber, and the first air port is communicated with the fourth interface;
the first valve body is arranged in the first air chamber, when the switch mechanism is in the first state, the first valve body is abutted with the first air port to seal the first air port, and the third interface is isolated from the first air chamber and the air passage; when the switch mechanism is in a second state, the first valve body is separated from the first air port, and the third port is communicated with the first air chamber and the air passage.
According to the technical scheme provided by the embodiment of the application, the first valve body is made of demagnetizing materials, the first driving assembly comprises a first elastic assembly sleeved outside the first valve body and a first coil sleeved outside the first air chamber, and the first elastic assembly is arranged at the end, relatively far away from the first air port, of the first valve body; when the switch mechanism is in the first state, the first elastic component provides elastic force towards the first gas port end for the first valve body; when the switch mechanism is in the second state, the first coil is electrified, and the first valve body generates an acting force away from the first air port under the action of a magnetic field, wherein the acting force is larger than the elastic force.
According to the technical scheme provided by the embodiment of the application, the silica gel pads are arranged at two ends of the first valve body.
According to the technical scheme provided by the embodiment of the application, the air-conditioning device further comprises a second air chamber arranged in the first cavity, wherein a second air port communicated with the second air chamber is arranged on the side, close to the air passage, of the second air chamber, a third air port is arranged at the end, relatively far away from the second air port, of the second air chamber, and the third air port is communicated with the air passage of the first cavity; a pressure balance component is arranged in the second air chamber, and the pressure balance component has a third state and a fourth state; when the air pressure value in the air passage is smaller than the set air pressure value, the pressure balance component is in the third state, and the pressure balance component is abutted with the second air port, so that the second air port is closed; when the air pressure value in the air passage exceeds the set air pressure value, the pressure balance component is in the fourth state, and the pressure balance component is separated from the second air port, so that the second air port, the second air chamber and the third air port form a gas circulation channel.
According to the technical scheme provided by the embodiment of the application, the pressure balance assembly comprises a second valve body arranged in the second air chamber, and the second valve body is relatively far away from the second canal opening end sleeve and is provided with a second elastic assembly.
According to the technical scheme provided by the embodiment of the application, a third air chamber is arranged on the side relatively close to the second air chamber, the third air port is communicated with the third air chamber, a fourth air port is arranged on the third air chamber relatively far away from the third air port end, and the fourth air port is communicated with the first cavity; and a noise reduction piece is arranged in the third air chamber.
According to the technical scheme provided by the embodiment of the application, the end face of the noise reduction piece, which is close to the second air chamber, is provided with a plurality of protruding parts, and space is provided for air circulation between the adjacent protruding parts.
According to the technical scheme provided by the embodiment of the application, the inflation and deflation structure is at least one massage control valve and/or at least one support control valve.
In a second aspect, the present application provides a vehicle pneumatic adjustment system comprising:
the control valve body described above;
the air storage tank is arranged in the trunk of the vehicle and is communicated with the third interface of the control valve body, and the air storage tank is used for supplying air to the control valve body;
the pneumatic bag body is arranged on the vehicle seat and is communicated with the first interface of the control valve body, and the control valve body inflates the pneumatic bag body.
The communication air pipe is used for communicating the air storage tank, the control valve body and the pneumatic bag body.
In summary, the present application proposes a control valve body, by providing a housing having a first cavity, the first cavity including an air passage therein, the first cavity being provided with a switching mechanism and at least one air charging and discharging mechanism, the air charging and discharging mechanism including a first interface exposed outside the first cavity for discharging air and a second interface communicating with the air passage, the switching mechanism having a third interface exposed outside the first cavity for charging air and a fourth interface communicating with the air passage; the switch mechanism is provided with a first state and a second state, the first state is used for switching off the air passage, gas cannot supply air to the air charging and discharging mechanism through the air passage, the second state is used for switching on the air passage, and the gas can circulate to the air charging and discharging mechanism to charge air with the air unit; the first driving component is used for realizing the switching between the first state and the second state, and realizing the opening and closing of the air supply to the air passage, thereby avoiding continuously supplying air to the air charging and discharging mechanism and further prolonging the service life of the air charging and discharging mechanism.
Drawings
Fig. 1 is a schematic structural diagram of a control valve body according to an embodiment of the present disclosure;
fig. 2 is a schematic top view of a control valve body (without a first housing) according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of the first valve body in the first state according to the embodiment of the present application;
fig. 4 is a schematic structural diagram of the first valve body in the second state according to the embodiment of the present application;
fig. 5 is a schematic top view of a second housing according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of a structure of a boss according to an embodiment of the present disclosure;
FIG. 7 is a schematic diagram of a pneumatic adjustment system for a vehicle according to an embodiment of the present disclosure;
fig. 8 is a schematic structural view of an automobile seat according to an embodiment of the present disclosure;
fig. 9 is a schematic top view of a pneumatic adjustment system for a vehicle according to an embodiment of the present application.
The text labels in the figures are expressed as:
1. a housing; 11. a first housing; 12. a second housing; 13. a first cavity; 2. an airway; 21. a branch airway; 22. a main air passage; 3. an inflation and deflation mechanism; 31. a first interface; 32. a first body; 4. a switching mechanism; 41. a third interface; 42. a first air chamber; 43. a first gas port; 44. a first valve body; 441. a sealing gasket; 4411. a silica gel pad; 45. a first drive assembly; 451. a first elastic component; 452. a first coil; 46. a second airway; 47. a first airway; 48. a fourth interface; 51. a second air chamber; 52. a second gas port; 53. a third port; 54. a pressure balancing assembly; 541. a second valve body; 5411. a vertical portion; 5412. a transverse portion; 5413. a seal assembly; 542. a second elastic component; 61. a third air chamber; 62. a fourth gas port; 63. a noise reduction member; 631. a first groove; 64. a boss; 641. a groove loop; 7. an air pump; 8. a pneumatic bladder; 81. a massage bag body; 82. a support bladder; 9. a control valve body; 91. a first three-way valve; 92. a two-position two-way valve; 93. a communicating air pipe; 94. a second three-way valve; 10. and a gas storage tank.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
As mentioned in the background art, in view of the problems in the prior art, the present application proposes a control valve body, as shown in fig. 1 and 2, comprising:
the device comprises a shell 1, wherein a first cavity 13 is formed in the shell 1, and an air passage 2 is formed in the bottom of the first cavity 13; specifically, the air channel 2 is U-shaped, and comprises a branch air channel 21 and a main air channel 22 which is arranged at two ends of the branch air channel 21 and communicated with the branch air channel; the housing 1 comprises a first housing 11 and a second housing 12, and a first cavity 13 is formed between the first housing 11 and the second housing 12; alternatively, the branch air passage 21 may be disposed at an intermediate position of the main air passage 22;
at least one inflation and deflation mechanism 3, wherein the inflation and deflation mechanism 3 comprises a first interface 31 exposed outside the shell 1 and a second interface which is arranged in the first cavity 13 and communicated with the air channel 2, and the first interface 31 is communicated with an external air utilization device; in certain specific scenarios, the air charging and discharging mechanism 3 is an air valve, the air charging and discharging mechanism 3 includes a first body 32, and a first interface 31 and a second interface provided at two ends of the first body 32, the first interface 31 is exposed outside the housing 1, the first interface 31 is used for exhausting air, and the first body 32 is provided in the first cavity 13; optionally, the casing 1 is a cuboid, and two sides of the casing 1 are provided with a plurality of air charging and discharging mechanisms 3 arranged along a third direction, and the third direction is parallel to the direction of the long side of the casing 1; the second interface of each air charging and discharging mechanism 3 is respectively communicated with the air passage 2 in a sealing way;
a switch mechanism 4, wherein the switch mechanism 4 comprises a third interface 41 exposed outside the shell 1 and a fourth interface 48 which is arranged in the first cavity 13 and communicated with the air channel 2, and the third interface 41 is communicated with an external air source; the switching mechanism 4 has a first state and a second state; in the first state, the switch mechanism 4 is closed to block the gas path between the gas path 2 and the third interface 41, so that gas cannot enter the gas path 2; in the second state, the switch mechanism 4 is turned on, and gas enters the air passage 2 through the third interface 41 and the fourth interface 48 to supply gas to the gas charging and discharging mechanism 3;
under certain specific scenes, the inflation and deflation mechanism 3 is communicated with the gas utilization unit to inflate the gas utilization unit, and the gas utilization unit is internally provided with a gas release unit, so that when the gas utilization unit needs to be deflated, the gas is discharged to the outside through the gas release unit, and the inflation and deflation process of the gas utilization unit is realized; when the switch mechanism 4 is in the first state, the air channel 2 is closed, air cannot be introduced into the air charging and discharging mechanism 3, and air cannot be supplied to the air using unit, when the switch mechanism 4 is in the second state, air enters the switch mechanism 4 through the third interface 41, enters the air channel 2 through the fourth interface 48 of the switch mechanism 4, and further supplies air to the air charging and discharging mechanism 3, and the air using unit is inflated through the first interface 31;
a first driving assembly 45 for driving the switching mechanism 4 to switch between the first state and the second state; specifically, in the prior art, the air source is always for the air supply of the air charging and discharging mechanism 3 in the air charging and discharging process of the air using unit, the air charging and discharging control is performed through the air discharging unit, and in the air charging and discharging process of the air using unit, the fourth interface 48 can be turned off, so that the air passage 2 is blocked, the air is not supplied to the air charging and discharging mechanism 3, the air charging and discharging mechanism 3 is prevented from being always charged, the service life of the air charging and discharging mechanism 3 is further prolonged, and the service life of the air using unit is prolonged.
Further, the switching mechanism 4 includes:
a first air chamber 42, wherein the first air chamber 42 is disposed in the first cavity 13, a first air port 43 is disposed on a side of the first air chamber 42 relatively close to the third interface 41, and the first air port 43 is communicated with the fourth interface 48; wherein, a first air channel 47 is arranged between the third interface 41 and the first air chamber 42, and optionally, the first air chamber 42 and the first air channel 47 are integrally formed and can be connected through a sealing member; the first air port 43 is a through hole on the side wall of the first air chamber 42, a second air passage 46 is arranged between the first air port 43 and the fourth interface 48, and the second air passage 46 is communicated with the air passage 2;
a first valve body 44, where the first valve body 44 is disposed in the first air chamber 42, and when the switching mechanism 4 is in the first state, the first valve body 44 abuts against the first air port 43 to close the first air port 43, and the third interface 41 is isolated from the first air chamber 42 and the air channel 2; when the switch mechanism 4 is in the second state, the first valve body 44 is separated from the first air port 43, and the third interface 41 is in air-path communication with the first air chamber 42 and the air channel 2; specifically, as shown in fig. 3, when the switch mechanism 4 is in the first state, the first air port 43 is closed, and the air entering the third port 41 cannot enter the second air passage 46 and thus cannot enter the air passage 2; as shown in fig. 4, when the switching mechanism 4 is in the second state, the third port 41, the first air chamber 42, and the first air port 43 form a gas flow channel, so that the gas can be supplied to the gas consuming unit through the gas charging/discharging mechanism 3.
Further, the first valve body 44 is made of a demagnetizing material, as shown in fig. 3, the first driving assembly 45 includes a first elastic assembly 451 sleeved outside the first valve body 44 and a first coil 452 sleeved outside the first air chamber 42, and the first elastic assembly 451 is disposed at a end of the first valve body 44 relatively far from the first air port 43; when the switch mechanism 4 is in the first state, the first elastic assembly 451 provides an elastic force to the first valve body 44 toward the end of the first air port 43; when the switch mechanism 4 is in the second state, the first coil 452 is powered, and the first valve body 44 generates a force away from the first air port 43 under the action of a magnetic field, wherein the force is greater than the elastic force;
specifically, the axial direction of the first valve body 44 is a first direction, and is parallel to the extending line direction of the short side of the casing 1, optionally, the first elastic assembly 451 is a spring, and when the switch mechanism 4 is in the first state, that is, in a state in which the air supply unit is not required to be supplied with air, the first elastic assembly 451 provides an elastic force to the first valve body 44 in the direction of the first air port 43, so that the first valve body 44 abuts against the first air port 43, and the air path is cut off; when the switch mechanism 4 is in the second state, that is, the air supply unit needs to supply air, the first coil 452 is powered, the first valve body 44 generates a rightward acting force under the action of the excitation of the first coil 452, and the acting force is greater than the elastic force of the first elastic component 451, so that the first valve body 44 moves rightward, and is separated from the first air port 43, so that air can enter the first air chamber 42 from the first air channel 47, enter the first air port 43, and finally enter the air channel 2 through the second air channel 46 to supply air to the air charging and discharging mechanism 3.
Example 2
On the basis of embodiment 1, further, as shown in fig. 4 and 5, the control valve body further includes a second air chamber 51 disposed in the first cavity 13, the second air chamber 51 is provided with a second air port 52 communicating with the second air chamber near the air channel 2, the end of the second air chamber 51 relatively far from the second air port 52 is provided with a third air port 53 communicating with the second air chamber, and the third air port 53 is in air path communication with the first cavity 13; specifically, the first air passage 47 is parallel to the first direction, the second air passage 46 is perpendicular to the first direction, the branch air passage 21 parallel to the first air passage 47 is provided between the second air passage 46 and the second air passage 52, and when the air passes through the first air chamber 42 and the first air passage 43, a part of the air enters the second air passage 53 through the branch air passage 21, and at the same time, a part of the air enters the main air passage 22;
a pressure balance assembly 54 is arranged in the second air chamber 51, and the pressure balance assembly 54 has a third state and a fourth state; when the air pressure value in the air passage 2 is smaller than the set air pressure value, the pressure balance assembly 54 is in the third state, and the pressure balance assembly 54 abuts against the second air port 52, so that the second air port 52 is closed; when the air pressure value in the air passage 2 exceeds the set air pressure value, the pressure balance component 54 is in the fourth state, and the pressure balance component 54 is separated from the second air port 53, so that the second air port 53, the second air chamber 51 and the third air port 53 form a channel for air circulation; specifically, when the gas pressure of the branch gas passage 21 does not exceed the set pressure, the pressure balance assembly 54 is in the third state, and when the switching mechanism 4 is in the second state, gas enters the branch gas passage 21 through the switching mechanism 4 and enters the main gas passage 22 to supply gas to the gas charging and discharging mechanism 3; when the pressure in the branch air passage 21 is too high, the air valve is damaged, even the air consumption unit is exploded, and casualties are caused, so when the air pressure in the branch air passage 21 is greater than the set pressure, the pressure balancing component 54 is in the fourth state, and at this time, air enters the second cavity through the second air port 52, the second air chamber 51 and the third air port 53, so that the air passage is communicated with the outside, and balance of the air pressure is realized.
As shown in fig. 4, further, the pressure balancing component 54 includes a second valve body 541 disposed in the second air chamber 51, and a second elastic component 542 is sleeved on the end of the second valve body 541 relatively far from the second air port 52; specifically, the second valve body 541 includes a transverse portion 5412 and a vertical portion 5411, where the second elastic component 542 is a spring, one end of the spring is fixed to the inner wall of the second air chamber 51, and the other end of the spring is fixed to the outer wall of the second valve body 541, when the spring applies an elastic force along a second direction to the second valve body 541, the second direction is perpendicular to the first direction, and is a direction approaching or separating from the second air port 52, and at this time, the vertical portion 5411 may be inserted into the second air port 52 until the transverse portion 5412 is abutted against the inner wall of the second air chamber 51, so as to seal the second air port 52; when the pressure of the gas from the third air channel 2311 is greater than the elastic force of the second elastic component 542, the second valve body 541 can be pushed to the fourth state, so that a gas path is opened for the gas, and the air pressure balance is realized; the springs with different characteristics provide different elastic forces for the second valve body, so that the springs with different specifications can be selected according to the gas pressure of the gas required in the valve body, and the valve is simple in structure and low in cost.
Further, as shown in fig. 3 and fig. 4, a third air chamber 61 is disposed relatively close to the second air chamber 51, the third air port 53 is communicated with the third air chamber 61, a fourth air port 62 is disposed on the third air chamber 61 relatively far from the third air port 53, and the fourth air port 62 is communicated with the first cavity 13; a noise reduction member 63 is arranged in the third air chamber 61; wherein the noise reduction member 63 has air permeability, and optionally, the noise reduction member 63 is a sponge; the second air chamber 51 is communicated with the third air chamber 61 through the third air port 53, and the air flow speed is reduced when the air passes through the noise reduction member 63 after passing through the third air port 53, so that the purpose of noise reduction is achieved, and the noise reduction member 63 is far away from the third air port end. The gas passing through the noise reduction member 63 is discharged into the first chamber 13 through the fourth gas port 62.
Further, as shown in fig. 4 and 6, the end surface of the noise reduction member 63 near the second air chamber 51 is provided with a plurality of protruding portions 64, and spaces are provided for air to circulate between adjacent protruding portions 64; the plurality of the convex portions 64 form groove loops 641 which are communicated with each other at the end surface of the noise reduction member 63, and the groove loops form a space for gas circulation; since the noise reduction member 63 blocks the third air port 53, a plurality of protrusions 64 are provided on the first sidewall, and the noise reduction member 63 is supported along a direction parallel to the first direction, so that a space is provided for air circulation, a contact area between overflow air and the noise reduction member 63 is enlarged, an overflow speed is increased, and clogging of the area of the noise reduction member 63 corresponding to the outlet of the fourth air port 54 due to impurities carried in the overflow air can be prevented; the noise reducer 63 is provided with a first groove 631 at a position corresponding to the third air port 53, and the first groove 631 is in air path communication with the groove loop 641.
Further, as shown in fig. 4, a sealing component 5413 is disposed at the contact end of the second valve body 441 and the second air port 52; optionally, the sealing component 5413 is a rubber sealing ring, and is sleeved outside the vertical portion 5411, when the pressure balancing component 54 is in the third state, the vertical portion 5411 is inserted into the second air port 52, and the transverse portion 5412 is tightly attached to the inner wall of the second air chamber 51 through the sealing component 5413, so that air leakage is avoided, and accuracy of balancing air pressure is improved.
Example 3
On the basis of embodiment 2, further, as shown in fig. 8, the air charging and discharging mechanism 3 is at least one massage control valve and/or at least one support control valve; wherein, the air-using unit can be an air-driven bag body 8, and the air-driven bag body 8 comprises a massage bag body 81 for massage and/or a support bag body 82 for support; when the inflation mechanism 3 is communicated with the massage bladder 81, the inflation and deflation mechanism is the massage control valve, wherein the massage control valve is a first three-way valve 91, and the first three-way valve 91 comprises a first opening communicated with the first interface 31, a second opening communicated with the air passage 2 and a third opening communicated with the first cavity 13; when the first opening is communicated with the second opening and is isolated from the third opening, air is introduced into the massage bag body 81, and the massage bag body 81 is in an inflated state; when the first opening is communicated with the third opening and isolated from the second opening, the gas in the massage capsule 81 is discharged through the third gas port, so that the retracted state of the massage capsule 81 is realized;
when the inflation and deflation mechanism 3 is communicated with the support capsule 82, the inflation and deflation mechanism 3 is a support control valve, wherein the support control valve comprises a second three-way valve 94 and a two-position two-way valve 92, and the second three-way valve 94 comprises a fourth opening communicated with the first interface 31, a fifth opening communicated with the air passage 2 and a sixth opening; the two-position two-way valve 92 includes a seventh opening in communication with the sixth opening and an eighth opening in communication with the first chamber 13; after the gas is introduced into the support bag 82, the support bag 82 is in an inflated state, and when the seventh opening is isolated from the eighth opening, the gas in the support bag 82 cannot be discharged, and in a pressure maintaining state, the amount of the gas in the support bag 82 is unchanged, so that the support function is achieved.
Example 4
The present application also proposes a vehicle pneumatic adjustment system, as shown in fig. 8 and 9, comprising:
the control valve body 9 described above;
the air storage tank 10 is arranged in the trunk of the vehicle, the air storage tank 10 is communicated with the third interface 41 of the control valve body 9, and the air storage tank 10 is used for supplying air to the control valve body 9;
the pneumatic bag body 8 is arranged on the vehicle seat, the pneumatic bag body 8 is communicated with the first interface 31 of the control valve body 9, and the control valve body 9 inflates the pneumatic bag body 8;
the communication air pipe 93 is used for communicating the air storage tank 10, the control valve body 9 and the pneumatic bag body 8;
specifically, an air pump 7 is arranged in the trunk of the vehicle, the air pump 7 is communicated with the air storage tank 10, the air pump 7 supplies air to the air storage tank 10, the air storage tank 10 is used for inflating the control valve body 9, and when the air consumption is large for a long time, the air storage tank 10 can fully meet the air supply amount, the stability of the air pressure can be improved; the pneumatic bag body 8 and the control valve body 9 are arranged in a seat of the vehicle and are communicated with the air storage tank 10 through the communication air pipe.
Specific examples are set forth herein to illustrate the principles and embodiments of the present application, and the description of the examples above is only intended to assist in understanding the methods of the present application and their core ideas. The foregoing is merely a preferred embodiment of the present application, and it should be noted that, due to the limited nature of text, there is an objectively infinite number of specific structures, and that, to those skilled in the art, several improvements, modifications or changes can be made, and the above technical features can be combined in a suitable manner, without departing from the principles of the present utility model; such modifications, variations and combinations, or the direct application of the concepts and aspects of the utility model in other applications without modification, are intended to be within the scope of this application.
Claims (10)
1. A control valve body, comprising:
the device comprises a shell (1), wherein a first cavity (13) is formed in the shell (1), and an air passage (2) is formed in the bottom of the shell (1);
at least one inflation and deflation mechanism (3), wherein the inflation and deflation mechanism (3) comprises a first interface (31) exposed to the shell (1) and a second interface which is arranged in the first cavity (13) and communicated with the air channel (2), and the first interface (31) is communicated with an external air utilization unit;
the switch mechanism (4) comprises a third interface (41) exposed outside the shell (1) and a fourth interface (48) which is arranged in the first cavity (13) and communicated with the air channel (2), and the third interface (41) is communicated with an external air source; the switching mechanism (4) has a first state and a second state;
in the first state, the switching mechanism (4) is closed to block the gas path between the gas path (2) and the third interface (41), and gas cannot enter the gas path (2); in the second state, the switch mechanism (4) is opened, and gas enters the air passage (2) through the third interface (41) and the fourth interface (48) to supply gas to the gas charging and discharging mechanism (3);
-a first driving assembly (45) for driving the switching mechanism (4) to switch between the first state and the second state.
2. The control valve body of claim 1, wherein: the switching mechanism (4) includes:
the first air chamber (42) is arranged in the first cavity (13), a first air port (43) is arranged on the side, relatively close to the third interface (41), of the first air chamber (42), and the first air port (43) is communicated with the fourth interface (48);
the first valve body (44), the said first valve body (44) locates in said first air chamber (42), when the said switching mechanism (4) is in said first state, the said first valve body (44) is in contact with said first air port (43), close the said first air port (43), the said third interface (41) is isolated with the said first air chamber (42), said air passage (2) gas circuit; when the switch mechanism (4) is in the second state, the first valve body (44) is separated from the first air port (43), and the third interface (41) is in air circuit communication with the first air chamber (42) and the air channel (2).
3. A control valve body as claimed in claim 2, characterized in that: the first valve body (44) is made of demagnetizing materials, the first driving assembly (45) comprises a first elastic assembly (451) sleeved outside the first valve body (44) and a first coil (452) sleeved outside the first air chamber (42), and the first elastic assembly (451) is arranged at the end, relatively far away from the first air port (43), of the first valve body (44); when the switch mechanism (4) is in the first state, the first elastic assembly (451) provides an elastic force to the first valve body (44) toward the end of the first air port (43); when the switch mechanism (4) is in the second state, the first coil (452) is electrified, and the first valve body (44) generates a force away from the first air port (43) under the action of a magnetic field, wherein the force is larger than the elastic force.
4. A control valve body as claimed in claim 3, wherein: silica gel pads (441) are arranged at two ends of the first valve body (44).
5. The control valve body of claim 1, wherein: the air-conditioning device further comprises a second air chamber (51) arranged in the first cavity (13), wherein a second air port (52) communicated with the second air chamber (51) is arranged on the side, close to the air passage (2), of the second air chamber (51), a third air port (53) is arranged at the end, relatively far away from the second air port (52), of the second air chamber, and the third air port (53) is in air-circuit communication with the first cavity (13); a pressure balance assembly (54) is arranged in the second air chamber (51), and the pressure balance assembly (54) has a third state and a fourth state; when the air pressure value in the air passage (2) is smaller than a set air pressure value, the pressure balance assembly (54) is in the third state, and the pressure balance assembly (54) is abutted with the second air port (52) so that the second air port (52) is closed; when the air pressure value in the air passage (2) exceeds the set air pressure value, the pressure balance component (54) is in the fourth state, and the pressure balance component (54) is separated from the second air port (52), so that the second air port (52), the second air chamber (51) and the third air port (53) form a channel for air circulation.
6. The control valve body of claim 5, wherein: the pressure balance assembly (54) comprises a second valve body (541) arranged in the second air chamber (51), and a second elastic assembly (542) is sleeved at the end of the second valve body (541) relatively far away from the second air port (52).
7. The control valve body of claim 6, wherein: a third air chamber (61) is arranged at the side relatively close to the second air chamber (51), the third air port (53) is communicated with the third air chamber (61), a fourth air port (62) is arranged at the end, relatively far away from the third air port (53), of the third air chamber (61), and the fourth air port (62) is communicated with the first cavity (13); a noise reduction piece (63) is arranged in the third air chamber (61).
8. The control valve body of claim 7, wherein: the end face of the noise reduction piece (63) close to the second air chamber (51) is provided with a plurality of protruding portions (64), and space is provided for air circulation between the adjacent protruding portions (64).
9. A control valve body according to any one of claims 1-8, characterized in that: the inflation and deflation mechanism (3) is at least one massage control valve and/or at least one support control valve.
10. A pneumatic vehicle regulation system, characterized by: comprising the following steps:
the control valve body (9) of any one of claims 1-9;
the air storage tank (10) is arranged in the trunk of the vehicle, the air storage tank (10) is communicated with the third interface (41) of the control valve body (9), and the air storage tank (10) is used for supplying air to the control valve body (9);
the pneumatic bag body (8), the pneumatic bag body (8) is arranged on the vehicle seat, the pneumatic bag body (8) is communicated with the first interface (31) of the control valve body (9), and the control valve body (9) inflates the pneumatic bag body (8);
the communication air pipe (93), the communication air pipe (93) is used for communicating the gas storage tank (10), the control valve body (9) and the pneumatic bag body (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222316609.2U CN219096557U (en) | 2022-08-31 | 2022-08-31 | Control valve body and pneumatic adjusting system for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222316609.2U CN219096557U (en) | 2022-08-31 | 2022-08-31 | Control valve body and pneumatic adjusting system for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219096557U true CN219096557U (en) | 2023-05-30 |
Family
ID=86459127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222316609.2U Active CN219096557U (en) | 2022-08-31 | 2022-08-31 | Control valve body and pneumatic adjusting system for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219096557U (en) |
-
2022
- 2022-08-31 CN CN202222316609.2U patent/CN219096557U/en active Active
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