CN218151751U - Pneumatic control valve with top air inlet - Google Patents
Pneumatic control valve with top air inlet Download PDFInfo
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- CN218151751U CN218151751U CN202121770132.4U CN202121770132U CN218151751U CN 218151751 U CN218151751 U CN 218151751U CN 202121770132 U CN202121770132 U CN 202121770132U CN 218151751 U CN218151751 U CN 218151751U
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Abstract
The utility model discloses a gas accuse valve that top was admitted air, the reciprocating piston pump comprises a cylinder body, piston in the cylinder body, the spring reaches the piston rod that is connected with the piston, the piston separates into cavity one with the cylinder intracavity, cavity two, improve the structure of gas accuse valve in this scheme, increase hollow connecting rod in cavity two, the hollow chamber of connecting rod says and cavity tip terminal surface upper hole cooperation in order admitting air, the tip of piston rod stretches into in the connecting rod chamber way and increases the air flue in order to ventilate, the gas port is opened in order to ventilate on the piston rod body of cavity one to the correspondence, the global trompil of cylinder body that cavity one corresponds is in order to exhaust. Compare with conventional gas accuse valve side inlet structure, this gas accuse valve air inlet is located cylinder body top end face, and the top formula structure of admitting air makes things convenient for the installation of pneumatic valve more, and when the side admits air can not appear, the inconsistent problem of air inlet angle, the preformed hole forms the exhaust hole on cylinder body top global in addition, has the effect of buffering, has improved the life of the inside spring of cylinder.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to gas accuse valve that top was admitted air.
Background
The valve is a common component in modern industry, such as an electromagnetic valve, a pneumatic control valve and the like, taking the pneumatic control valve as an example, the common pneumatic control valve is mostly that a piston is arranged in a cylinder body, an end cover is fixed at the lower end of the cylinder body, a piston rod passes through the end cover to pull the piston, a spring is arranged in the cylinder body to assist the piston, and an opening is formed in the side surface of the cylinder body to admit air.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one technical defect, the utility model provides a following technical scheme:
the application document discloses a gas accuse valve that top was admitted air, piston, spring in cylinder body, cylinder body and the piston rod that is connected with the piston, the piston separates into cavity one, cavity two with the cylinder intracavity, and the piston rod stretches into from the tip opening of cavity one and is connected with the piston, sets up the spring in the cavity two in order to cooperate with the piston, cavity two internal fixation along cylinder body axially extended connecting rod, this connecting rod be hollow and the chamber of one of its tip say the hole intercommunication that sets up on opening and the two end of cavity terminal surfaces in order to admit air, and the piston rod tip passes the piston and stretches into the hollow chamber of connecting rod say in and set up the air flue in this tip of piston rod, and the air flue sets up the gas outlet with the hollow chamber of connecting rod say the intercommunication and be located the piston rod of cavity one, and air flue intercommunication, sets up the exhaust hole on the cylinder body global that cavity two correspond, and the exhaust hole communicates with cavity one.
Improve the structure of gas accuse valve in this scheme, increase hollow connecting rod in cavity two, the hollow chamber of connecting rod says and the cooperation of cavity tip terminal surface upper hole in order admitting air, and the tip of piston rod stretches into in the connecting rod chamber and increases the air flue in order to ventilate, and the piston rod body of rod that corresponds at cavity one is opened the gas port in order to ventilate, and the global trompil of cylinder body that cavity one corresponds is in order to exhaust. Compare with conventional gas accuse valve side inlet structure, this gas accuse valve air inlet is located cylinder body top end face, and the installation of pneumatic valve is more made things convenient for to the formula structure of admitting air in top, when the side admits air, the inconsistent problem of air inlet angle can not appear. In addition, the preformed hole on the circumferential surface of the top of the cylinder body forms an exhaust hole, so that the buffering effect is achieved, and the service life of the spring in the cylinder is prolonged.
Furthermore, a hole is formed in the center of the end face of each of the two ends of the cavity, the connecting rod extends into the hole and is fixed, an opening of the cavity of the end portion of the connecting rod is an air inlet, and the top of the connecting rod is of an air inlet type structure, so that the connecting rod is convenient to install on site.
Furthermore, an end cover is arranged at an opening at the end part of the first cavity, a sealing element is arranged between the end cover and the wall of the opening at the end part and fixed by a screw, and the screw is sleeved on the piston rod.
Furthermore, a connecting seat is fixed on the end cover, a hole is axially formed in the connecting seat, the piston rod penetrates through the hole, and the connecting seat is convenient for butt joint of the peripheral device.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses improve the structure of gas accuse valve, facilitate the on-the-spot installation and help improving the life of the inside spring of cylinder.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a sectional structural view of the present pneumatic control valve in embodiment 1;
wherein the reference numerals are:
1. a cylinder body; 2. a connecting rod; 3. a piston; 4. a screw; 5. a connecting seat; 6. a piston rod; 7. an air outlet; 8. an air inlet; 9. an exhaust hole; 10. an end cap; 11. a seal member; 12. an airway; a. a first chamber; b. and a second chamber.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1
As shown in fig. 1, the top air intake pneumatic control valve comprises a cylinder body, a piston in the cylinder body, a spring and a piston rod connected with the piston, wherein the piston 3 divides the cavity of the cylinder body 1 into a first cavity a and a second cavity b, the spring is positioned in the second cavity to assist the piston to reset, the piston rod extends into the first cavity from an end opening of the first cavity to be connected with the piston, an end cover 10 is fixed at the end opening of the first cavity a, a sealing element 11, such as a sealing ring, can be additionally arranged between the end cover 10 and the cavity wall of the opening to fix the sealing element, and a screw 4 can be sleeved on the piston rod 6 to fix the sealing element, and the partial structure is the structure of a conventional pneumatic control valve.
As shown in fig. 1, the main innovation points of the pneumatic control valve are as follows: the end face center of the end part of the second chamber b is provided with a hole, the hollow connecting rod 2 extends into and is fixed from the hole, the connecting rod 2 extends along the axial direction of the cylinder body 1, a cavity opening at the end part of the connecting rod 2 positioned at the center of the end face is an air inlet 8 for air inlet, the end part of the piston rod 6 penetrates through the piston and extends into the hollow cavity of the other end part of the connecting rod 2, an air channel 12 is preformed in the end part of the piston rod and extends along the axial direction of the piston rod, the air channel 12 is communicated with the hollow cavity of the connecting rod 2 and is positioned on the rod body of the piston rod 6 of the first chamber a and provided with an air outlet 7 for communicating the air channel with the first chamber a, and a hole 9 is formed by forming a hole in the circumferential face of the cylinder body corresponding to the second chamber b so as to communicate the first chamber with the outside.
In addition, a connecting seat 5 can be fixed on the end cover, an axial hole is formed in the connecting seat 5, and the piston rod 6 penetrates through the hole, so that the connecting seat is added to facilitate the butt joint of peripheral devices.
During the use, this gas accuse valve air inlet is located cylinder body top terminal surface, and the installation of pneumatic valve is more made things convenient for to the formula structure that admits air at the top, when the side admits air, the inconsistent problem of air inlet angle can not appear. In addition, the preformed hole on the circumferential surface of the top of the cylinder body forms an exhaust hole, so that the buffering effect is achieved, and the service life of the spring in the cylinder is prolonged.
Above only the utility model discloses a preferred embodiment, the utility model discloses a scope not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.
Claims (4)
1. The top air inlet pneumatic control valve is characterized in that a connecting rod extending along the axial direction of the cylinder body is fixed in the chamber two, the connecting rod is hollow, a cavity opening at one end of the connecting rod is communicated with holes formed in the end faces of the two ends of the chamber to feed air, the end part of the piston rod penetrates through the piston and extends into the hollow cavity of the connecting rod, an air passage is formed in the end part of the piston rod, the air passage is communicated with the hollow cavity of the connecting rod and is located on the piston rod of the chamber one, the air outlet is communicated with the air passage, exhaust holes are formed in the circumferential surface of the cylinder body corresponding to the chamber two, and the exhaust holes are communicated with the chamber one.
2. A top air intake pneumatic control valve as claimed in claim 1, wherein: the center of the end face of the two ends of the cavity is provided with a hole, the connecting rod extends into and is fixed through the hole, and the end cavity opening of the connecting rod is an air inlet.
3. A pneumatic control valve for top air intake as claimed in claim 1, wherein: an end cover is arranged at an opening at the end part of the first cavity, a sealing element is arranged between the end cover and the wall of the opening at the end part and fixed by screws, and the screws are sleeved on the piston rod.
4. A top air intake pneumatic control valve as claimed in claim 3, wherein: the end cover is fixedly provided with a connecting seat, a hole is axially formed in the connecting seat, and the piston rod penetrates through the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121770132.4U CN218151751U (en) | 2021-07-30 | 2021-07-30 | Pneumatic control valve with top air inlet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121770132.4U CN218151751U (en) | 2021-07-30 | 2021-07-30 | Pneumatic control valve with top air inlet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218151751U true CN218151751U (en) | 2022-12-27 |
Family
ID=84549196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121770132.4U Active CN218151751U (en) | 2021-07-30 | 2021-07-30 | Pneumatic control valve with top air inlet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218151751U (en) |
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2021
- 2021-07-30 CN CN202121770132.4U patent/CN218151751U/en active Active
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