CN210397799U - Large-drift-diameter pneumatic control valve - Google Patents
Large-drift-diameter pneumatic control valve Download PDFInfo
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- CN210397799U CN210397799U CN201920641327.5U CN201920641327U CN210397799U CN 210397799 U CN210397799 U CN 210397799U CN 201920641327 U CN201920641327 U CN 201920641327U CN 210397799 U CN210397799 U CN 210397799U
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Abstract
The utility model discloses a big latus rectum gas accuse valve, including valve body, bottom and upper cover, the inside valve rod that is provided with of valve body, the valve rod surface is provided with a plurality of C type circles, the valve body left end is provided with the bottom, valve rod left end portion sets up in the bottom, and the inside mounting groove of having seted up in valve rod left side, be provided with reset spring in the mounting groove, be provided with the sealing member between bottom right side and the valve body, the piston is installed to the valve rod right-hand member, the valve body right side is provided with the upper cover. The utility model has the advantages of simple structure and ingenious design, remove through the piston and drive the valve rod and remove to make reset spring produce the pulling force, thereby change the relative position between valve rod and the valve body, and then make the flow direction of medium change, when need change medium flow direction once more, external force on the piston is got rid of, makes the valve rod be in initial condition through reset spring's shrink pulling force, and the principle is simple, and it is convenient to realize, and the leakproofness is better, is worth promoting.
Description
Technical Field
The utility model relates to a control valve technical field specifically is a big latus rectum gas accuse valve.
Background
The control valve is made up of two main components: valve body assemblies and actuator assemblies (or actuator systems) are divided into four major families: single seat series control valve, double seat series control valve, sleeve series control valve and self-operated series control valve. Variations of the four types of valves can result in a myriad of different applicable configurations, each with its particular applications, features, advantages and disadvantages.
The control valve has various different types, and the application occasions of the control valve are different, so the type of the control valve is reasonably selected according to the requirements of the technological production process. The pneumatic control valve is divided into an air opening type and an air closing type. The air-on control valve is closed in the fault state, and the air-off control valve is opened in the fault state. The existing pneumatic control valve has a complex structure and poor tightness. Accordingly, those skilled in the art have provided a large-bore pneumatic control valve to solve the problems set forth in the background art described above.
Disclosure of Invention
An object of the utility model is to provide a big latus rectum gas accuse valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a big latus rectum gas accuse valve, includes valve body, bottom and upper cover, the inside valve rod that is provided with of valve body, the valve rod surface is provided with a plurality of C type circles, the valve body left end is provided with the bottom, the valve rod left end portion sets up in the bottom, and the inside mounting groove of having seted up in valve rod left side, be provided with reset spring in the mounting groove, be provided with the sealing member between bottom right side and the valve body, the piston is installed to the valve rod right-hand member, the valve body right side is provided with the upper cover, the piston sets up.
As a further aspect of the present invention: the piston surface is provided with Y type circle, and sliding connection between piston and the upper cover inside wall, upper cover right side middle part is provided with the connecting hole.
As a further aspect of the present invention: the bottom cover is internally provided with a convex block, the left end of the reset spring is sleeved on the convex block, the left end of the reset spring is connected with the bottom cover, and the right end of the reset spring is connected with the valve rod.
As a further aspect of the present invention: the bottom cover and the valve body are fixedly connected through a plurality of bottom cover fasteners.
As a further aspect of the present invention: the upper cover is fixedly connected with the valve body through a plurality of upper cover fasteners.
As a further aspect of the present invention: the left side of the upper end of the valve body is provided with a first medium outlet, and the right side of the upper end of the valve body is provided with a second medium outlet.
As a further aspect of the present invention: the middle part of the lower end of the valve body is provided with a medium inlet, and the left side and the right side of the medium inlet at the lower end of the valve body are both provided with discharge ports.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has the advantages of simple structure and ingenious design, remove through the piston and drive the valve rod and remove to make reset spring produce the pulling force, thereby change the relative position between valve rod and the valve body, and then make the flow direction of medium change, when need change medium flow direction once more, external force on the piston is got rid of, makes the valve rod be in initial condition through reset spring's shrink pulling force, and the principle is simple, and it is convenient to realize, and the leakproofness is better, is worth promoting.
Drawings
Fig. 1 is a schematic structural diagram of a large-bore pneumatic control valve.
Fig. 2 is a front view of a large-bore pneumatic control valve.
Fig. 3 is a top view of a large bore pneumatic control valve.
Fig. 4 is a bottom view of a large-bore pneumatic control valve.
Fig. 5 is a right side view of a large bore pneumatic control valve.
Fig. 6 is a left side view of a large bore pneumatic control valve.
In the figure: 1-upper cover fastener, 2-upper cover, 3-piston, 4-Y ring, 5-valve body, 6-valve rod, 7-C ring, 8-reset spring, 9-sealing element, 10-bottom cover fastener, 11-bottom cover, 12-medium outlet I, 13-medium outlet II, 14-medium inlet and 15-discharge outlet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-6, in the embodiment of the present invention, a large-diameter pneumatic control valve, includes a valve body 5, a bottom 11 and an upper cover 2, the inside valve rod 6 that is provided with of valve body 5, the surface of valve rod 6 is provided with a plurality of C-shaped rings 7, the left end of valve body 5 is provided with bottom 11, the left end of valve rod 6 sets up in bottom 11, and the inside mounting groove of having seted up in valve rod 6 left side, be provided with reset spring 8 in the mounting groove, be provided with sealing member 9 between 11 right sides of bottom and the valve body 5, piston 3 is installed to 10 right-hand members of valve rod, the right side of valve body 5 is provided with upper cover 2, piston 3 sets up.
The outer surface of the piston 3 is provided with a Y-shaped ring 4, the piston 3 is connected with the inner side wall of the upper cover 2 in a sliding mode, and the middle of the right side of the upper cover 2 is provided with a connecting hole.
The bottom cover 11 is internally provided with a convex block, the left end of the reset spring 8 is sleeved on the convex block, the left end of the reset spring 8 is connected with the bottom cover 11, and the right end of the reset spring 8 is connected with the valve rod 6.
The bottom cover 11 is fixedly connected with the valve body 5 through a plurality of bottom cover fasteners 10.
The upper cover 2 and the valve body 5 are fixedly connected through a plurality of upper cover fasteners 1.
The left side of the upper end of the valve body 5 is provided with a first medium outlet 12, and the right side of the upper end of the valve body 5 is provided with a second medium outlet 13.
The middle part of the lower end of the valve body 5 is provided with a medium inlet 14, and the lower end of the valve body 5 is provided with a discharge port 15 on the left side and the right side of the medium inlet 14.
The utility model discloses a theory of operation is:
in the utility model, the medium enters the valve body 5 from the medium inlet 14, the reset spring 8 is in a contraction state in an initial state, the medium inlet 14 and the medium outlet II 13 form a passage, and the medium flows out from the medium outlet II 13 after entering the valve body 5; when the medium flow direction needs to be changed, a connecting hole on the upper cover 2 is externally connected with a pneumatic control device, the piston 3 moves towards the right side in the upper cover 2, and the piston 3 drives the valve rod 6 to move towards the right, so that a passage formed by the medium inlet 14 and the medium outlet II 13 is closed, a new passage is formed by the medium outlet I12 and the medium inlet 14, the medium is discharged from the medium outlet I12, and the effect of changing the medium flow direction is achieved;
the utility model has the advantages of simple structure and ingenious design, remove through piston 3 and drive valve rod 6 and remove to make reset spring 8 produce the pulling force, thereby change the relative position between valve rod 6 and the valve body 5, and then make the flow direction change of medium, when need change medium flow direction once more, the external force on the piston 3 is got rid of, and shrink pulling force through reset spring 8 makes valve rod 6 be in initial condition, and the principle is simple, and it is convenient to realize, and the leakproofness is better, is worth promoting.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a big latus rectum gas accuse valve, includes valve body, bottom and upper cover, its characterized in that, the inside valve rod that is provided with of valve body, the valve rod surface is provided with a plurality of C type circles, the valve body left end is provided with the bottom, the valve rod left end portion sets up in the bottom, and the inside mounting groove of having seted up in valve rod left side, be provided with reset spring in the mounting groove, be provided with the sealing member between bottom right side and the valve body, the piston is installed to the valve rod right-hand member, the valve body right side is provided with the upper cover, the piston sets.
2. The large-drift-diameter pneumatic control valve according to claim 1, wherein a Y-shaped ring is arranged on the outer surface of the piston, the piston is in sliding connection with the inner side wall of the upper cover, and a connecting hole is formed in the middle of the right side of the upper cover.
3. The large-drift-diameter pneumatic control valve according to claim 1, wherein a protruding block is arranged inside the bottom cover, the left end of the return spring is sleeved on the protruding block, the left end of the return spring is connected with the bottom cover, and the right end of the return spring is connected with the valve rod.
4. The large-drift-diameter pneumatic control valve as claimed in claim 1, wherein the bottom cover is fixedly connected with the valve body through a plurality of bottom cover fasteners.
5. The large-drift-diameter pneumatic control valve as claimed in claim 1, wherein the upper cover is fixedly connected with the valve body through a plurality of upper cover fasteners.
6. The large-drift-diameter pneumatic control valve according to claim 1, wherein a first medium outlet is formed in the left side of the upper end of the valve body, and a second medium outlet is formed in the right side of the upper end of the valve body.
7. The large-drift-diameter pneumatic control valve according to claim 1, wherein a medium inlet is formed in the middle of the lower end of the valve body, and discharge ports are formed in the left side and the right side of the medium inlet in the lower end of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641327.5U CN210397799U (en) | 2019-04-26 | 2019-04-26 | Large-drift-diameter pneumatic control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641327.5U CN210397799U (en) | 2019-04-26 | 2019-04-26 | Large-drift-diameter pneumatic control valve |
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| Publication Number | Publication Date |
|---|---|
| CN210397799U true CN210397799U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920641327.5U Active CN210397799U (en) | 2019-04-26 | 2019-04-26 | Large-drift-diameter pneumatic control valve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984153A (en) * | 2021-04-29 | 2021-06-18 | 成都康拓兴业科技有限责任公司 | Valve core type oxygen source distributor for airborne oxygen system |
-
2019
- 2019-04-26 CN CN201920641327.5U patent/CN210397799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112984153A (en) * | 2021-04-29 | 2021-06-18 | 成都康拓兴业科技有限责任公司 | Valve core type oxygen source distributor for airborne oxygen system |
| CN112984153B (en) * | 2021-04-29 | 2021-07-20 | 成都康拓兴业科技有限责任公司 | Valve core type oxygen source distributor for airborne oxygen system |
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