CN212297739U - Two-position three-way valve and air blowing assembly - Google Patents
Two-position three-way valve and air blowing assembly Download PDFInfo
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- CN212297739U CN212297739U CN202022200553.5U CN202022200553U CN212297739U CN 212297739 U CN212297739 U CN 212297739U CN 202022200553 U CN202022200553 U CN 202022200553U CN 212297739 U CN212297739 U CN 212297739U
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Abstract
The utility model discloses a two-position three-way valve and an air blowing component, which relate to the technical field of valve bodies, the two-position three-way valve comprises a valve body, a moving component and a sealing structure which are movably arranged in the valve body, two low-pressure air inlets and a high-pressure air inlet are arranged on the side wall of the valve body, the sealing structure comprises a first abutting part, a second abutting part, a third abutting part and a fourth abutting part, wherein the third abutting part is arranged on the moving assembly and is used for matching with the first abutting part, the fourth abutting part is in a round platform structure and takes the first shaft as a central shaft, and the distance between the third abutting part and the fourth abutting part is smaller than that between the first abutting part and the second abutting part. So set up, sealed effectual, the circulation medium can not corroded, can not influence valve body life.
Description
Technical Field
The utility model relates to a valve body technical field, more specifically say, relate to a two-position three-way valve and subassembly of blowing.
Background
Among the prior art, two three-way valves pass through the solenoid valve and realize, have inclosed cavity in the valve body of solenoid valve, be equipped with the case in the cavity, the case can remove in the cavity, and the valve body is opened in the position of difference has the through-hole, the case removes to the position of difference and can opens and close different through-holes, the both sides of valve body are equipped with the electro-magnet, which side's magnet coil circular telegram valve body will be attracted which side, the moving direction and the shift position through control valve body open or close different through-holes. Thus, the mechanical movement is controlled by controlling the current on-off of the electromagnet.
When opening a certain through-hole in the solenoid valve, realize the sealed of another through-hole through rubber seal, but rubber seal's leakproofness is not strong, and inside the dirty thing in outside impurity or the air permeated rubber seal easily gets into the valve body for medium such as high-pressure gas or fluid that are circulating in the valve body received the corruption, and then led to the fact the influence to solenoid valve itself, makes the use of solenoid valve limited, and life receives the influence.
Therefore, how to solve the problems of poor sealing effect, easy corrosion of circulating media and influence on service life in the electromagnetic valve in the prior art becomes an important technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two-position three-way valve and the subassembly of blowing are poor in order to solve the inside sealed effect of solenoid valve among the prior art, perishable circulation medium, influence life's technical problem. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
The utility model provides a two-position three-way valve, include:
the side wall of the valve body is provided with a first low-pressure air inlet hole, a second low-pressure air inlet hole, a high-pressure air outlet hole and a high-pressure exhaust hole, the high-pressure air inlet hole is communicated with the high-pressure air outlet hole through a first channel, and the high-pressure air outlet hole is communicated with the high-pressure exhaust hole through a second channel;
the moving assembly is movably arranged in the valve body along the direction of a first shaft, the first low-pressure air inlet hole and the second low-pressure air inlet hole are respectively arranged at the upstream and the downstream of the moving assembly along the first direction of the first shaft, when the first low-pressure air inlet hole is used for air intake, the moving assembly is displaced along the first direction, and when the second low-pressure air inlet hole is used for air intake, the moving assembly is displaced along the direction opposite to the first direction;
the sealing structure comprises a first abutting part arranged in the first channel, a second abutting part arranged in the second channel, a third abutting part arranged on the moving assembly and used for matching with the first abutting part, and a fourth abutting part arranged on the moving assembly and used for matching with the second abutting part, wherein the outer wall surface of the first abutting part and the outer wall surface of the second abutting part are both inclined edges along the section edge of any plane where the first shaft is located, the included angle between the inclined edge and the first shaft is an acute angle, and the distance between the third abutting part and the fourth abutting part is smaller than the distance between the first abutting part and the second abutting part along the direction of the first shaft;
when the moving assembly moves to a first position along the first direction, the second abutting portion and the fourth abutting portion are matched and abutted to close the second channel, a first gap is formed between the first abutting portion and the third abutting portion, and the first channel is opened; when the moving assembly moves to a second position along a direction opposite to the first direction, the first abutting portion and the third abutting portion are matched and abutted to close the first channel, a second gap is formed between the second abutting portion and the fourth abutting portion, and the second channel is opened.
Preferably, a first included angle between the section edge of the outer wall surface of the first abutting portion along any plane where the first axis is located and the first axis is the same, and a second included angle between the section edge of the outer wall surface of the second abutting portion along any plane where the first axis is located and the first axis is the same.
Preferably, the first abutting portion, the second abutting portion, the third abutting portion and the fourth abutting portion are all in a circular truncated cone structure and all use the first shaft as a central shaft.
Preferably, the first included angle and the second included angle are both 30-60 degrees.
Preferably, the high-pressure air outlet holes are arranged in at least two along the circumferential direction of the first shaft.
Preferably, the movable assembly comprises a piston, a piston rod and a sealing element, the piston and the sealing element are respectively arranged at two ends of the piston rod, the third abutting portion and the fourth abutting portion are respectively arranged on the outer surface of the sealing element, a first cavity and a second cavity which are communicated with each other are arranged in the valve body, the piston is located in the first cavity, the piston rod is located in the second cavity, the first low-pressure air inlet hole and the second low-pressure air inlet hole are respectively communicated with the first cavity, and the high-pressure air inlet hole, the high-pressure air outlet hole and the high-pressure air outlet hole are respectively communicated with the second cavity and are sequentially arranged along the first direction.
Preferably, the first abutting portion is arranged at the inlet end of the high-pressure air outlet, and the second abutting portion is arranged at the inlet end of the high-pressure air outlet.
Preferably, the valve body includes valve body, lower valve body and lower valve gap, go up the valve body with the upper end detachably of valve body is connected down, lower valve gap with the lower extreme detachably of valve body is connected down, first low pressure inlet port sets up on the last valve body, second low pressure inlet port high pressure venthole all sets up down on the valve body, the high pressure exhaust hole sets up on the valve gap down.
Preferably, the material of the sealing element is engineering plastics, and the sealing element is detachably connected with the piston rod.
The utility model also provides a subassembly of blowing, including foretell two-position three-way valve and external device, external device intercommunication high pressure gas outlet.
In the technical scheme provided by the utility model, the two-position three-way valve comprises a valve body, a moving component and a sealing structure, wherein, the side wall of the valve body is provided with a first low-pressure air inlet hole, a second low-pressure air inlet hole, a high-pressure air outlet hole and a high-pressure exhaust hole, the high-pressure air inlet hole is communicated with the high-pressure air outlet hole through a first channel, and the high-pressure air outlet hole is communicated with the high-; the moving assembly is movably arranged in the valve body along the direction of the first shaft, and the first low-pressure air inlet hole and the second low-pressure air inlet hole are respectively arranged at the upstream and the downstream of the moving assembly along the first direction of the first shaft; the sealing structure comprises a first abutting portion, a second abutting portion, a third abutting portion and a fourth abutting portion, wherein the first abutting portion is arranged in the first channel, the second abutting portion is arranged in the second channel, the third abutting portion and the fourth abutting portion are arranged on the moving assembly, the third abutting portion is used for being matched with the first abutting portion, the fourth abutting portion is used for being matched with the second abutting portion, the outer wall surface of the first abutting portion and the outer wall surface of the second abutting portion are both inclined edges along the section of any plane where the first shaft is located, an included angle between each inclined edge and the first shaft is an acute angle, namely the outer surfaces of the first abutting portion, the second abutting portion, the third abutting portion and the fourth abutting portion are inclined surfaces, and the distance between the third abutting portion and the fourth abutting portion is smaller than the distance between the first abutting portion and the second abutting portion along the direction of the first shaft.
Therefore, when the first low-pressure air inlet hole is used for air inlet, the moving assembly moves along the first direction, when the moving assembly moves to the first position along the first direction, the second abutting portion and the fourth abutting portion are matched and abutted tightly to close the second channel, namely, the high-pressure air outlet hole is disconnected and communicated with the high-pressure air exhaust hole, meanwhile, a first gap is formed between the first abutting portion and the third abutting portion, the first channel is opened, namely, the high-pressure air inlet hole is communicated with the high-pressure air outlet hole, the high-pressure air inlet hole is communicated with an external air source, and high-pressure air provided by the external air source enters an external device through the high-pressure air inlet hole and the high-pressure air outlet hole to provide required high-pressure air for; when the second low-pressure air inlet hole is used for air inlet, the moving assembly moves in the direction opposite to the first direction, when the moving assembly moves to the second position in the direction, the first abutting portion and the third abutting portion are matched and abutted tightly to close the first channel, the high-pressure air inlet hole and the high-pressure air outlet hole are disconnected and communicated, meanwhile, a second gap is formed between the second abutting portion and the fourth abutting portion, the second channel is opened, namely, the high-pressure air outlet hole is communicated with the high-pressure air exhaust hole, the high-pressure air outlet hole is communicated with an external device, and high-pressure air required to be exhausted in the external device is finally exhausted from the high-pressure air exhaust hole through the high-pressure air outlet hole and circulates in sequence.
So set up, support through the cooperation of first tight portion and the tight portion of third support tightly, make the second passageway thoroughly sealed, likewise, the cooperation that tight portion and fourth support tight portion are supported tightly to the second, make first passageway thoroughly sealed, even there is small gap or air gap when sealed, also can be because supporting the power and being thoroughly cut off, sufficient leakproofness has been guaranteed, it is sealed effectual, avoid the foul circulation in external impurity or the air to the valve body in, can not corrode circulation medium and influence the life of valve.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a two-position three-way valve according to an embodiment of the present invention (the moving component is located at the first position);
fig. 2 is a schematic structural diagram of a two-position three-way valve according to an embodiment of the present invention (the moving component is located at the second position);
FIG. 3 is an enlarged view at A in FIG. 1;
fig. 4 is an enlarged view at B in fig. 2.
In FIGS. 1-4:
1. an upper valve body; 2. a lower valve body; 3. a lower valve cover; 4. a first low pressure inlet port; 5. a second low pressure inlet port; 6. a high pressure inlet port; 7. a high pressure vent hole; 8. a high pressure vent; 9. a piston; 10. a piston rod; 11. a seal member; 12. a first abutting portion; 13. a second abutting part; 14. a third abutting part; 15. a fourth abutting part; 16. a first gap; 17. a second gap; 18. a first chamber; 19. a second chamber; a. a first included angle; b. a second included angle; c. a first shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An object of this embodiment is to provide a two-position three-way valve and subassembly of blowing, solve among the prior art inside sealed effect of solenoid valve poor, perishable circulation medium, influence life's problem.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.
Referring to fig. 1-4, in the present embodiment, the two-position three-way valve includes a valve body, a moving assembly and a sealing structure. The high-pressure air inlet hole 6 is communicated with the high-pressure air outlet hole 7 through a first channel, and the high-pressure air outlet hole 7 is communicated with the high-pressure air outlet hole 8 through a second channel; along the first direction of the first axis c, the first low-pressure air inlet hole 4 and the second low-pressure air inlet hole 5 are respectively arranged at the upstream and the downstream of the moving assembly, and low-pressure air entering through the first low-pressure air inlet hole 4 and the second low-pressure air inlet hole 5 only plays a role in pushing the moving assembly to move. It should be noted that the first direction of the first axis c is a direction from top to bottom in fig. 1-2, and the opposite direction of the first direction is a direction from bottom to top in fig. 1-2. When the first low-pressure air inlet hole 4 is used for air inlet, the moving assembly is displaced along the first direction, and when the second low-pressure air inlet hole 5 is used for air inlet, the moving assembly is displaced along the direction opposite to the first direction; the sealing structure comprises a first abutting part 12, a second abutting part 13, a third abutting part 14 and a fourth abutting part 15, wherein, the first abutting part 12 is arranged in the first channel, the second abutting part 13 is arranged in the second channel, the third abutting part 14 and the fourth abutting part 15 are both arranged on the moving component, the third abutting part 14 is used for matching with the first abutting part 12, the fourth abutting part 15 is used for matching with the second abutting part 13, the outer wall surface of the first abutting part 12 and the outer wall surface of the second abutting part 13 are inclined edges along the section edge of any plane where the first axis c is located, the included angle between the inclined edge and the first axis c is an acute angle, namely, the outer surfaces of the first abutting portion 12, the second abutting portion 13, the third abutting portion 14 and the fourth abutting portion 15 are all inclined surfaces, the inclined surfaces can be plane structures or cambered surfaces, and along the direction of the first axis c, the distance between the third abutting portion 14 and the fourth abutting portion 15 is smaller than the distance between the first abutting portion 12 and the second abutting portion 13.
Thus, as shown in fig. 1, when the moving assembly moves to the first position along the first direction, the second abutting portion 13 and the fourth abutting portion 15 cooperate to abut to close the second channel, that is, the high-pressure air outlet 7 is disconnected from the high-pressure air outlet 8, meanwhile, a first gap 16 is arranged between the first abutting portion 12 and the third abutting portion 14, the first channel is opened, that is, the high-pressure air inlet 6 is communicated with the high-pressure air outlet 7, the high-pressure air inlet 6 is communicated with an external air source, and high-pressure air provided by the external air source enters the external device through the high-pressure air inlet 6 and the high-pressure air outlet 7 to provide required high-pressure air for the external device; as shown in fig. 2, when the moving assembly moves to the second position along the direction opposite to the first direction, the first abutting portion 12 and the third abutting portion 14 cooperate to abut to close the first channel, the high-pressure air inlet hole 6 and the high-pressure air outlet hole 7 are disconnected from each other, meanwhile, a second gap 17 is arranged between the second abutting portion 13 and the fourth abutting portion 15, the second channel is opened, that is, the high-pressure air outlet hole 7 is communicated with the high-pressure air outlet hole 8, the high-pressure air outlet hole 7 is communicated with an external device, and high-pressure air to be exhausted from the external device is finally exhausted from the high-pressure air outlet hole 8 through the high-pressure air outlet hole 7, and the high-pressure air is circulated in sequence.
So set up, support through the cooperation of first portion 12 and the third portion 14 of tightly supporting tightly, make the second passageway thoroughly sealed, likewise, the cooperation of second portion 13 and the fourth portion 15 of tightly supporting tightly supports tightly, make the first passageway thoroughly sealed, even there is small gap or air gap when sealed, also can be because supporting the power and being thoroughly cut off, sufficient leakproofness has been guaranteed, it is sealed effectual, avoid in external impurity or the air foul circulation to the valve body in, can not corrode circulation medium and influence the life of valve.
The medium flowing through the two-position three-way valve is not limited to gas, and may be oil or the like.
As an alternative embodiment, a first included angle a between a section edge of the outer wall surface of the first fastening portion 12 and a section edge of the outer wall surface of the third fastening portion 14 along an arbitrary plane where the first axis c is located and the first axis c is the same, and a second included angle b between an outer wall surface of the second fastening portion 13 and a section edge of the outer wall surface of the fourth fastening portion 15 along an arbitrary plane where the first axis c is located and the first axis c is the same. Specifically, if the first axis c is a vertical axis, any plane on which the first axis c is located is a vertical plane. If the outer wall surface of each abutting part is a plane, namely a wedge-shaped surface, the included angles between the outer wall surface and each vertical plane are inconsistent and not completely the same; if the outer wall surface of each abutting part is a ring-shaped surface, the included angles between the outer wall surface and each vertical plane are the same.
As an optional implementation manner, the first abutting portion 12, the second abutting portion 13, the third abutting portion 14, and the fourth abutting portion 15 are all in a circular truncated cone structure and all use the first axis c as a central axis, that is, outer wall surfaces of the four abutting portions are all circular truncated cones, and the outer wall surfaces are both inclined surfaces and ring-shaped surfaces. In other embodiments, the first fastening portion 12, the second fastening portion 13, the third fastening portion 14, and the fourth fastening portion 15 are not complete circular truncated cone structures, i.e., are part of the circular truncated cone structures, and the corresponding circle center angle is smaller than 360 degrees.
So set up, when two portions of supporting closely cooperate, the pressure value that each portion of supporting closely outer wall received is the same, and the power of supporting closely is unchangeable, has guaranteed sealed stability.
Preferably, the first included angle a and the second included angle b are both 30-60 degrees. Further in a preferred embodiment, as shown in FIG. 3, the first included angle a is 45 degrees, and as shown in FIG. 4, the second included angle b is 30 degrees.
As an alternative embodiment, at least two high-pressure outlet holes 7 are provided along the circumferential direction of the first axis c. Preferably, in the present embodiment, the high-pressure gas outlet holes 7 are uniformly arranged.
So set up, can communicate two at least external device through two at least high pressure ventholes 7 to make the high pressure inlet port 6 of a valve body provide high-pressure gas to a plurality of external device, raise the efficiency.
As an alternative embodiment, the moving assembly includes a moving member and a sealing member 11, the sealing member 11 is connected with the moving member, and the third abutting portion 14 and the fourth abutting portion 15 are both disposed on the outer surface of the sealing member 11. Specifically, the material of the sealing member 11 may be rubber, or may be other materials such as engineering plastics.
In a preferred embodiment, the moving part comprises a piston 9 and a piston rod 10, the piston 9 and a sealing element 11 are respectively arranged at two ends of the piston rod 10, a first chamber 18 and a second chamber 19 which are communicated with each other are arranged in the valve body, the piston 9 is positioned in the first chamber 18, the piston rod 10 is positioned in the second chamber 19, and the first low-pressure air inlet hole 4 and the second low-pressure air inlet hole 5 are both communicated with the first chamber 18; the high-pressure air inlet hole 6, the high-pressure air outlet hole 7 and the high-pressure exhaust hole 8 are communicated with the second cavity 19 and are sequentially arranged along the first direction. Specifically, along the first direction, first low pressure inlet port 4 and second low pressure inlet port 5 are located the upper reaches and the low reaches of piston 9 respectively, so first low pressure inlet port 4 admits air and can promote piston 9 and move to first direction, second low pressure inlet port 5 admits air and can promote piston 9 and move to the opposite direction of first direction, through promoting piston 9 and remove and then drive piston rod 10 and remove, the removal of piston rod 10 drives sealing member 11 again and removes, it is tight that the cooperation of which two tight portions of support is supported by the moving position control of sealing member 11 finally, decide the closure of first passageway or the closure of second passageway.
In the preferred embodiment, the first abutting portion 12 is disposed at the inlet end of the high-pressure vent hole 7, and the second abutting portion 13 is disposed at the inlet end of the high-pressure vent hole 8. In other embodiments, the first abutting portion 12 can be disposed at the outlet end of the high pressure inlet hole 6.
Preferably, the valve body includes valve body 1, lower valve body 2 and lower valve gap 3, go up valve body 1 and be connected with the upper end detachably of lower valve body 2, lower valve gap 3 is connected with the lower extreme detachably of lower valve body 2, first low pressure inlet port 4 sets up on last valve body 1, be located the top of first cavity 18, second low pressure inlet port 5, high pressure inlet port 6, high pressure venthole 7 all sets up under on valve body 2, second low pressure inlet port 5 is located the bottom of first cavity 18, high pressure vent hole 8 sets up on lower valve gap 3, high pressure vent hole 8 is located the bottom of second cavity 19 promptly, high pressure inlet port 6 and high pressure venthole 7 are located the lateral wall of second cavity 19. Specifically, the valve body and the lower valve body 2 and the lower valve cover 3 can be clamped through clamping structures, or connected through bolts, and other detachable connecting structures can be adopted.
So set up, through detachable components of a whole that can function independently connection structure, the convenience is realized installing and dismantling convenient use and simple to operate to this two-position three-way valve.
In a preferred embodiment, the material of the sealing member 11 is engineering plastic, the hardness of the material is softer than that of the general valve body, and the sealing member 11 is detachably connected with the piston rod 10, and similarly, the piston rod 10 is detachably connected with the piston 9. Specifically, as shown in fig. 1-2, the seal 11 is in threaded connection with the piston rod 10, and the piston rod 10 is in threaded connection with the piston 9, although other detachable connection structures may be used.
Because the material of the sealing element 11 is softer than that of the piston rod 10, the sealing element 11 is abraded after reciprocating for many times, and thus the lower valve cover 3 can be detached from the lower valve body 2, the sealing element 11 is convenient to detach, a new sealing element 11 is replaced, and the sufficient sealing performance of the two-position three-way valve is ensured; similarly, the upper valve body 1 can be detached from the lower valve body 2, and the piston 9 can be easily detached and replaced.
The utility model also provides a subassembly of blowing, including two-position three-way valve and external device in above-mentioned embodiment, preferably, in this embodiment, external device is the bottle embryo that needs high-pressure gas. So set up, this two-position three-way valve of subassembly of blowing supports tightly through the cooperation of supporting tight portion, thoroughly seals first passageway or second passageway, even small gap or air gap when sealed, also can be because supporting tight power is thoroughly cut off, has guaranteed sufficient leakproofness, and is sealed effectual, avoids in outside impurity or the foul circulation in the air to the valve body, can not corrode the circulation medium and influence the life of valve. The derivation process of the beneficial effect is the same as that of the two-position three-way valve, and is not described in detail here.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The utility model provides a plurality of schemes contain the basic scheme of itself, mutual independence to restrict each other, but it also can combine each other under the condition of not conflicting, reaches a plurality of effects and realizes jointly.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A two-position, three-way valve, comprising:
the side wall of the valve body is provided with a first low-pressure air inlet hole (4), a second low-pressure air inlet hole (5), a high-pressure air inlet hole (6), a high-pressure air outlet hole (7) and a high-pressure exhaust hole (8), the high-pressure air inlet hole (6) is communicated with the high-pressure air outlet hole (7) through a first channel, and the high-pressure air outlet hole (7) is communicated with the high-pressure exhaust hole (8) through a second channel;
a moving assembly movably disposed inside the valve body in a direction of a first axis (c), and along a first direction of the first axis (c), the first low pressure intake port (4) and the second low pressure intake port (5) are disposed upstream and downstream of the moving assembly, respectively, the moving assembly being displaced in the first direction when the first low pressure intake port (4) is supplied with air, and being displaced in a direction opposite to the first direction when the second low pressure intake port (5) is supplied with air;
the sealing structure comprises a first abutting part (12) arranged in the first channel, a second abutting part (13) arranged in the second channel, a third abutting part (14) arranged on the moving assembly and used for matching with the first abutting part (12), and a fourth abutting part (15) arranged on the moving assembly and used for matching with the second abutting part (13), wherein the outer wall surface of the first abutting part (12) and the outer wall surface of the second abutting part (13) are inclined edges along the section edge of any plane where the first shaft (c) is located, the included angle between the inclined edges and the first shaft is an acute angle, and the distance between the third abutting part (14) and the fourth abutting part (15) is smaller than the distance between the first abutting part (12) and the second abutting part (13) along the direction of the first shaft (c);
when the moving assembly moves to a first position along the first direction, the second abutting portion (13) and the fourth abutting portion (15) are matched and abutted to close the second channel, a first gap (16) is formed between the first abutting portion (12) and the third abutting portion (14), and the first channel is opened; when the moving assembly moves to a second position along a direction opposite to the first direction, the first abutting portion (12) and the third abutting portion (14) are matched and abutted to close the first channel, a second gap (17) is formed between the second abutting portion (13) and the fourth abutting portion (15), and the second channel is opened.
2. A two-position, three-way valve according to claim 1, characterized in that the first angle (a) of the first axis (c) is the same as the cut of the first axis (c) along the arbitrary plane of the outer wall surface of the first resisting portion (12), and the second angle (b) of the first axis (c) is the same as the cut of the first axis (c) along the arbitrary plane of the first axis (c) along the outer wall surface of the second resisting portion (13).
3. The two-position three-way valve according to claim 2, wherein the first abutting portion (12), the second abutting portion (13), the third abutting portion (14) and the fourth abutting portion (15) are each of a circular truncated cone structure and each has the first axis (c) as a central axis.
4. A two-position, three-way valve according to claim 2, characterized in that the first angle (a) and the second angle (b) are both 30-60 degrees.
5. A two-position, three-way valve according to claim 1, characterised in that the high-pressure outlet openings (7) are arranged at least two in the circumferential direction of the first shaft (c).
6. The two-position three-way valve according to claim 1, wherein the moving assembly comprises a piston (9), a piston rod (10) and a sealing element (11), the piston (9) and the sealing element (11) are respectively arranged at two ends of the piston rod (10), the third abutting portion (14) and the fourth abutting portion (15) are both arranged on the outer surface of the sealing element (11), a first chamber (18) and a second chamber (19) which are communicated with each other are arranged in the valve body, the piston (9) is positioned in the first chamber (18), the piston rod (10) and the sealing element (11) are positioned in the second chamber (19), the first low-pressure air inlet hole (4) and the second low-pressure air inlet hole (5) are both communicated with the first chamber (18), and the high-pressure air inlet hole (6), the high-pressure air outlet hole (7) are all communicated with the first chamber (18), and the high-pressure air outlet hole (6) and the high, The high-pressure exhaust holes (8) are communicated with the second chamber (19) and are sequentially arranged along the first direction.
7. A two-position, three-way valve according to claim 6, characterized in that the first abutment (12) is arranged at the inlet end of the high-pressure outlet orifice (7) and the second abutment (13) is arranged at the inlet end of the high-pressure outlet orifice (8).
8. A two-position, three-way valve according to claim 6, characterized in that the valve body comprises an upper valve body (1), a lower valve body (2) and a lower valve cover (3), the upper valve body (1) is detachably connected with the upper end of the lower valve body (2), the lower valve cover (3) is detachably connected with the lower end of the lower valve body (2), the first low-pressure air inlet hole (4) is arranged on the upper valve body (1), the second low-pressure air inlet hole (5), the high-pressure air inlet hole (6) and the high-pressure air outlet hole (7) are all arranged on the lower valve body (2), and the high-pressure air outlet hole (8) is arranged on the lower valve cover (3).
9. A two-position, three-way valve according to claim 8, characterized in that the sealing element (11) is made of an engineering plastic and that the sealing element (11) is detachably connected to the piston rod (10).
10. A blowing assembly comprising a two-position, three-way valve and an external device, the external device being in communication with a high-pressure outlet, the two-position, three-way valve being as defined in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022200553.5U CN212297739U (en) | 2020-09-29 | 2020-09-29 | Two-position three-way valve and air blowing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022200553.5U CN212297739U (en) | 2020-09-29 | 2020-09-29 | Two-position three-way valve and air blowing assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212297739U true CN212297739U (en) | 2021-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022200553.5U Active CN212297739U (en) | 2020-09-29 | 2020-09-29 | Two-position three-way valve and air blowing assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212297739U (en) |
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2020
- 2020-09-29 CN CN202022200553.5U patent/CN212297739U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210427 Address after: No.186, wanglinshi village, Beicheng street, Huangyan District, Taizhou City, Zhejiang Province Patentee after: Taizhou Jiubao Machinery Co.,Ltd. Address before: 237200 Daqiao group, CaiJiaHe village, Taipingfan Township, Huoshan County, Lu'an City, Anhui Province Patentee before: Wang Yong |