CN217977512U - Air valve - Google Patents
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- CN217977512U CN217977512U CN202222288514.4U CN202222288514U CN217977512U CN 217977512 U CN217977512 U CN 217977512U CN 202222288514 U CN202222288514 U CN 202222288514U CN 217977512 U CN217977512 U CN 217977512U
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Abstract
The utility model relates to an air valve, which comprises a valve block and a valve rod movably arranged in the valve block in an inserting way, wherein a valve hole is arranged between the left end and the right end of the valve block, and the valve rod is concentrically arranged in the valve hole in an inserting way and is matched with the inner wall of the valve hole; an air inlet hole and two air outlet holes are formed in the outer wall of the front side of the valve block, and the two air outlet holes are respectively formed in the left side and the right side of the air inlet hole; a first waist-shaped hole is formed in the outer wall of the rear side of the valve block, and an opening at the front end of the first waist-shaped hole penetrates through the valve hole and is communicated with the bottom of the air inlet hole; the utility model discloses optimized the air flue and distributed in order to simplify the processing step, all set up inlet port and two ventholes simultaneously in order to make things convenient for the use at the homonymy.
Description
Technical Field
The utility model relates to an air valve.
Background
The air valve is used for controlling and converting the flowing direction of pressure air, air passages in the existing air valve are not reasonably distributed, so that the processing steps are complicated, air inlets and air outlets on the air valve cannot be arranged on the same side, the use is inconvenient, and the air valve is to be further improved.
SUMMERY OF THE UTILITY MODEL
To the present situation of the above prior art, the technical problem to be solved by the present invention is to provide an air valve which simplifies the processing steps and facilitates the use.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: an air valve comprises a valve block and a valve rod movably inserted in the valve block, and is characterized in that a valve hole is formed between the left end and the right end of the valve block, and the valve rod is concentrically inserted in the valve hole and is matched with the inner wall of the valve hole; an air inlet hole and two air outlet holes are formed in the outer wall of the front side of the valve block, and the two air outlet holes are respectively formed in the left side and the right side of the air inlet hole; a first waist-shaped hole is formed in the outer wall of the rear side of the valve block, and an opening at the front end of the first waist-shaped hole penetrates through the valve hole and is communicated with the bottom of the air inlet hole; two second waist-shaped holes are further formed in the outer wall of the rear side of the valve block and are respectively formed in the left side and the right side of the first waist-shaped hole, and the opening at the front end of each of the two second waist-shaped holes penetrates through the valve hole and is respectively communicated with the bottoms of the two air outlet holes; two third waist-shaped holes are further formed in the outer wall of the rear side of the valve block, and the two third waist-shaped holes are formed between the two second waist-shaped holes and are respectively formed in the left side and the right side of the first waist-shaped hole; the front end openings of the two third kidney-shaped holes are communicated with the inner wall of the valve hole; the valve rod is characterized in that a first annular groove, two second annular grooves and two third annular grooves are formed in the outer peripheral surface of the valve rod, and the third annular grooves are formed between the two second annular grooves and are respectively arranged on the left side and the right side of the first annular groove.
Preferably, the first circumferential groove, the two second circumferential grooves and the two third circumferential grooves form two first piston portions and two second piston portions on the valve rod, the two first piston portions are all arranged between the two second piston portions and are matched with the first waist-shaped hole, and each second piston portion is matched with one second waist-shaped hole and one third waist-shaped hole on the same side.
Preferably, a first sealing ring is sleeved on the outer peripheral surface of each first piston part, and the outer walls of the two first sealing rings are movably attached to the inner wall of the valve hole.
Preferably, a second sealing ring is sleeved on the outer peripheral surface of each second piston part, and the outer walls of the two second sealing rings are movably attached to the inner wall of the valve hole.
Preferably, still all overlap on the both ends outer peripheral face of controlling the valve rod and inlay a third sealing washer, two the outside in two third hoop grooves is located respectively to the third sealing washer, two the equal activity laminating of outer wall of third sealing washer is on the inner wall of valve opening.
Compared with the prior art, the utility model has the advantages of: the utility model discloses optimized the air flue and distributed in order to simplify the processing step, all set up inlet port and two ventholes simultaneously in order to make things convenient for the use at the homonymy.
Drawings
FIG. 1 is a front side rotary section structure view of the present invention;
fig. 2 is a rear structural view of the valve block of the present invention;
fig. 3 is a right end structure diagram of the valve block of the present invention.
Detailed Description
Unless defined otherwise, technical or scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.
As shown in fig. 1 to 3, an air valve includes a valve block 1 and a valve rod 2 movably inserted and arranged in the valve block 1, wherein a valve hole 11 is formed between the left end and the right end of the valve block 1, and the valve rod 2 is concentrically inserted and arranged in the valve hole 11 and is matched with the inner wall of the valve hole 11; an air inlet hole 12 and two air outlet holes 13 are formed in the outer wall of the front side of the valve block 1, and the two air outlet holes 13 are respectively formed in the left side and the right side of the air inlet hole 12; a first waist-shaped hole 14 is formed in the outer wall of the rear side of the valve block 1, and the front end opening of the first waist-shaped hole 14 penetrates through the valve hole 11 and is communicated with the bottom of the air inlet hole 12; two second kidney-shaped holes 15 are further formed in the outer wall of the rear side of the valve block 1, the two second kidney-shaped holes 15 are respectively formed in the left side and the right side of the first kidney-shaped hole 14, and the front end openings of the two second kidney-shaped holes 15 penetrate through the valve hole 11 and are respectively communicated with the bottoms of the two air outlet holes 13; two third waist-shaped holes 16 are further formed in the outer wall of the rear side of the valve block 1, and the two third waist-shaped holes 16 are formed between the two second waist-shaped holes 15 and are respectively formed in the left side and the right side of the first waist-shaped hole 14; the front end openings of the two third kidney-shaped holes 16 are communicated with the inner wall of the valve hole 11; first hoop groove 23, two second hoop grooves 22 and two third hoop grooves 21 have been seted up on the outer peripheral face of valve rod 2, and two third hoop grooves 21 all locate between two second hoop grooves 22 and locate the left and right sides in first hoop groove 23 respectively.
The first circumferential groove 23, the two second circumferential grooves 22 and the two third circumferential grooves 21 form two first piston portions 25 and two second piston portions 24 on the valve stem 2, the two first piston portions 25 are all disposed between the two second piston portions 24 and are all matched with the first kidney-shaped hole 14, and each second piston portion 24 is matched with one second kidney-shaped hole 15 and one third kidney-shaped hole 16 on the same side.
Still all having inlayed a first sealing washer 5 on the outer peripheral face of every first piston portion 25, the equal activity of the outer wall of two first sealing washers 5 is laminated on the inner wall of valve opening 11.
A second sealing ring 4 is also sleeved on the outer peripheral surface of each second piston part 24, and the outer walls of the two second sealing rings 4 are movably attached to the inner wall of the valve hole 11.
Still all having inlayed a third sealing washer 3 on the both ends outer peripheral face about valve rod 2, two third sealing washers 3 are located the outside of two third ring grooves 21 respectively, and the equal activity laminating of the outer wall of two third sealing washers 3 is on the inner wall of valve opening 11.
The working principle is as follows: the openings at the rear ends of the first waist-shaped hole 14, the two second waist-shaped holes 15 and the two third waist-shaped holes 16 are all closed, the air inlet pipeline is inserted into the air inlet hole 12, the two air outlet pipelines are respectively inserted into the two air outlet holes 13, and after ventilation, pressure air in the air inlet pipeline enters the first waist-shaped hole 14 through the air inlet hole 12.
The valve rod 2 is pushed to move rightwards until one first piston part 25 on the left side is positioned inside the front end opening of the first kidney-shaped hole 14, at the moment, one second piston part 24 on the left side and one first piston part 25 on the right side are mutually sealed with the inner wall of the valve hole 11 through the second sealing ring 4 and the first sealing ring 5 respectively, and one second piston part 24 on the right side is positioned inside the front end opening of one second kidney-shaped hole 15 on the right side; the pressure gas in the first kidney-shaped hole 14 enters a third kidney-shaped hole 16 on the left side for temporary storage through the first kidney-shaped hole 14 and the valve hole 11.
The valve rod 2 is pushed to move leftwards until a first piston part 25 on the right side is positioned inside the front end opening of the first kidney-shaped hole 14, at the moment, a second piston part 24 on the right side and a first piston part 25 on the left side are mutually sealed with the inner wall of the valve hole 11 respectively through a second sealing ring 4 and a first sealing ring 5, and a second piston part 24 on the left side is positioned inside the front end opening of a second kidney-shaped hole 15 on the left side; at this time, the pressure gas temporarily stored in the left third kidney-shaped hole 16 enters the left second kidney-shaped hole 15 through the valve hole 11 and is discharged outwards through the left air outlet hole 13; in the process, the pressure gas in the first kidney-shaped hole 14 enters a third kidney-shaped hole 16 on the right side for temporary storage through the first kidney-shaped hole 14 and the valve hole 11.
The valve rod 2 is pushed to move rightwards again until the first piston part 25 on the left side is positioned inside the front end opening of the first kidney-shaped hole 14, at the moment, the second piston part 24 on the left side and the first piston part 25 on the right side are mutually sealed with the inner wall of the valve hole 11 through the second sealing ring 4 and the first sealing ring 5 respectively, and the second piston part 24 on the right side is positioned inside the front end opening of the second kidney-shaped hole 15 on the right side; at this time, the pressure gas temporarily existing in the third kidney-shaped hole 16 on the right side enters the second kidney-shaped hole 15 on the right side through the valve hole 11 and is discharged outwards through the air outlet hole 13 on the right side; thereby forming a cycle.
The utility model discloses optimized the air flue and distributed in order to simplify the processing step, all set up inlet port 12 and two ventholes 13 simultaneously in order to make things convenient for the use at the homonymy.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. An air valve comprises a valve block and a valve rod movably inserted in the valve block, and is characterized in that a valve hole is formed between the left end and the right end of the valve block, and the valve rod is concentrically inserted in the valve hole and is matched with the inner wall of the valve hole; an air inlet hole and two air outlet holes are formed in the outer wall of the front side of the valve block, and the two air outlet holes are respectively formed in the left side and the right side of the air inlet hole; a first waist-shaped hole is formed in the outer wall of the rear side of the valve block, and an opening at the front end of the first waist-shaped hole penetrates through the valve hole and is communicated with the bottom of the air inlet hole; two second waist-shaped holes are further formed in the outer wall of the rear side of the valve block and are respectively formed in the left side and the right side of the first waist-shaped hole, and the front end openings of the two second waist-shaped holes penetrate through the valve hole and are respectively communicated with the bottoms of the two air outlet holes; two third waist-shaped holes are also formed in the outer wall of the rear side of the valve block, and are arranged between the two second waist-shaped holes and are respectively arranged on the left side and the right side of the first waist-shaped hole; the front end openings of the two third kidney-shaped holes are communicated with the inner wall of the valve hole; the valve rod is characterized in that a first annular groove, two second annular grooves and two third annular grooves are formed in the outer peripheral surface of the valve rod, and the third annular grooves are formed between the two second annular grooves and are respectively arranged on the left side and the right side of the first annular groove.
2. An air valve in accordance with claim 1 wherein the first circumferential groove, the two second circumferential grooves and the two third circumferential grooves form two first piston portions and two second piston portions on the valve stem, the two first piston portions are each disposed between the two second piston portions and each cooperate with the first kidney-shaped hole, and each of the second piston portions cooperates with one second kidney-shaped hole and one third kidney-shaped hole on the same side.
3. The air valve as claimed in claim 2, wherein a first sealing ring is sleeved on the outer peripheral surface of each first piston part, and the outer walls of the two first sealing rings are movably attached to the inner wall of the valve hole.
4. The air valve as claimed in claim 2, wherein a second sealing ring is sleeved on the outer peripheral surface of each second piston part, and the outer walls of the two second sealing rings are movably attached to the inner wall of the valve hole.
5. The air valve as claimed in claim 1, wherein a third sealing ring is sleeved on the outer peripheral surface of each of the left and right ends of the valve rod, the two third sealing rings are respectively arranged on the outer sides of the two third circumferential grooves, and the outer walls of the two third sealing rings are movably attached to the inner wall of the valve hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222288514.4U CN217977512U (en) | 2022-08-30 | 2022-08-30 | Air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222288514.4U CN217977512U (en) | 2022-08-30 | 2022-08-30 | Air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217977512U true CN217977512U (en) | 2022-12-06 |
Family
ID=84261378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222288514.4U Active CN217977512U (en) | 2022-08-30 | 2022-08-30 | Air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217977512U (en) |
-
2022
- 2022-08-30 CN CN202222288514.4U patent/CN217977512U/en active Active
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