CN213017743U - Novel throttle valve - Google Patents
Novel throttle valve Download PDFInfo
- Publication number
- CN213017743U CN213017743U CN202021551455.XU CN202021551455U CN213017743U CN 213017743 U CN213017743 U CN 213017743U CN 202021551455 U CN202021551455 U CN 202021551455U CN 213017743 U CN213017743 U CN 213017743U
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- CN
- China
- Prior art keywords
- valve
- sleeve
- piston
- ring
- cover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a novel throttle valve, including valve body and valve gap, the both sides that valve body and valve gap hookup location have ring and ring have the sealing washer, the ring has to insert the sleeve of establishing in the valve body through screwed connection, sliding connection has the piston in the sleeve, the lower terminal surface fixed connection of piston has the valve clack, the guide way clearance fit that guide block and telescopic bottom set up that sets up on having the vertical direction on the valve clack, swing joint has valve rod and valve rod to run through the valve gap on the up end of piston. The utility model discloses in, compare with traditional choke valve, this choke valve uses and installs sleeve and piston structure inside the valve body, and the valve rod is hollow member, is convenient for to the inside pressure release of valve for the choke valve structure is simplified, and backing ring, sealing washer, piston and sealed use of filling make the valve have better gas tightness, and this valve simple structure practices thrift manufacturing cost greatly.
Description
Technical Field
The utility model relates to a choke valve technical field especially relates to a novel choke valve.
Background
A throttle valve is a valve that controls the flow of fluid by changing the throttle section or throttle length. The throttle valve and the one-way valve are connected in parallel to form the one-way throttle valve. The throttle valve and the one-way throttle valve are simple flow control valves, and in a constant displacement pump hydraulic system, the throttle valve and an overflow valve are matched to form three throttling speed regulating systems, namely an oil inlet path throttling speed regulating system, an oil return path throttling speed regulating system and a bypass throttling speed regulating system. The throttle valve has no flow negative feedback function, cannot compensate speed instability caused by load change, and is generally only used in occasions with small load change or low requirement on speed stability. However, the existing throttle valve has a complex structure and higher production cost.
Therefore, the utility model provides a novel choke valve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the problems, a novel throttle valve is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a novel throttle valve, includes valve body and valve gap, the both sides that valve body and valve gap hookup location have ring and ring have the sealing washer, the ring has through screwed connection and inserts the sleeve of establishing in the valve body, sliding connection has the piston in the sleeve, the lower terminal surface fixed connection of piston has the valve clack, the guide way clearance fit that guide block and telescopic bottom set up that set up on having vertical direction on the valve clack, swing joint has valve rod and valve rod to run through the valve gap on the up end of piston, the closing cap has been screwed on the valve gap, the inside that the lower extreme of closing cap is located the valve gap has the packings, the valve gap is established through the cover at the valve gap and with the outside external screw thread of valve body swing joint nut fixed connection.
As a further description of the above technical solution:
the valve body is internally provided with an inlet arranged in the horizontal direction and an outlet arranged in the vertical direction, and the inlet is communicated with the outlet.
As a further description of the above technical solution:
the lower end of the valve clack is provided with a chamfer surface and is inserted in the outlet, and the valve clack is in sliding fit with the valve body.
As a further description of the above technical solution:
the outside at the top of valve rod has external screw thread and closes with the closing cap spiral and be connected.
As a further description of the above technical solution:
the upper end face of the sleeve is provided with a threaded hole in the vertical direction, and a cushion ring is arranged at the connecting position of the sleeve and the circular ring.
As a further description of the above technical solution:
the valve rod is a hollow rod piece, the bottom end of the valve rod is communicated with the inside of the sleeve, and the top of the valve rod is connected with a sealing screw in a screwing mode.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, compare with traditional choke valve, this choke valve uses and installs sleeve and piston structure inside the valve body, and the valve rod is hollow member, is convenient for to the inside pressure release of valve for the choke valve structure is simplified, and backing ring, sealing washer, piston and sealed use of filling make the valve have better gas tightness, and this valve simple structure practices thrift manufacturing cost greatly.
2. The utility model discloses in, close loose joint nut soon and can unpack the choke valve apart, close the closing cap soon and be convenient for change sealed packing, this choke valve convenient to use, installation and easy maintenance are swift.
Drawings
Fig. 1 shows a schematic front view cross-sectional structure diagram provided according to an embodiment of the present invention;
fig. 2 shows a schematic top view of a sleeve according to an embodiment of the present invention;
illustration of the drawings:
1. a valve body; 101. an inlet; 102. an outlet; 2. a valve cover; 3. a circular ring; 4. a sleeve; 401. a silk hole; 402. a guide groove; 5. a backing ring; 6. a seal ring; 7. a screw; 8. a piston; 9. a valve flap; 10. a guide block; 11. a valve stem; 12. sealing the cover; 13. sealing and filling; 14. a loose joint nut; 15. and sealing the screw.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a novel throttle valve comprises a valve body 1 and a valve cover 2, wherein a circular ring 3 is arranged at the connecting position of the valve body 1 and the valve cover 2, a sealing ring 6 and a circular ring 3 are arranged at the two sides of the circular ring 3, all offer the standing groove of sealing washer 6 on valve body 1 and the valve gap 2, ring 3 is connected with through screw 7 and inserts the sleeve 4 of establishing in valve body 1, sliding connection has piston 8 in the sleeve 4, piston 8's lower terminal surface fixedly connected with valve clack 9, the guide block 10 that has the vertical orientation on the valve clack 9 and the guide way 402 clearance fit that the bottom of guide block 10 and sleeve 4 was seted up, swing joint has valve rod 11 and valve rod 11 to run through valve gap 2 on piston 8's the up end, closing cap 12 has been closed on the valve gap 2, the lower extreme of closing cap 12 is located the inside of valve gap 2 and has gland packing 13, gland packing 13 cover is established on valve rod 11, valve gap 2 and valve body 1 are through establishing the loose joint nut 14 fixed connection that the cover was screwed in valve gap 2 and with the outside external screw.
Specifically, as shown in fig. 1, the valve body 1 has an inlet 101 arranged in a horizontal direction and an outlet 102 arranged in a vertical direction inside, the inlet 101 is communicated with the outlet 102, and the flow direction of the medium is bent from the inlet 101 to the outlet 102.
Specifically, as shown in fig. 1, the lower end of the valve flap 9 has a chamfered surface, the valve flap 9 is inserted into the outlet 102, the valve flap 9 is in sliding fit with the valve body 1, the size of the cross section of the gap between the valve flap 9 and the outlet 102 is adjusted, and the flow rate is adjusted.
Specifically, as shown in fig. 1, the valve stem 11 has an external thread on the top end thereof and is screw-coupled to the cap 12, and the piston 8 is moved up and down by rotating the valve stem 11.
Specifically, as shown in fig. 1, a threaded hole 401 is formed in the upper end surface of the sleeve 4 in the vertical direction, and a gasket ring 5 is arranged at the connecting position of the sleeve 4 and the ring 3, so that the sealing performance of the device is improved.
Specifically, as shown in fig. 1, the valve rod 11 is a hollow rod, the bottom end of the valve rod 11 is communicated with the inside of the sleeve 4, the top of the valve rod 11 is screwed with the sealing screw 15, the sealing screw 15 is screwed, and the air pressure inside the sleeve 4 is adjusted.
The working principle is as follows: when the valve is used, the sealing screw 15 is opened, the valve rod 11 is screwed to enable the piston 8 to move in the vertical direction, the size of the gap section between the valve clack 9 and the outlet 102 is adjusted, the flow is adjusted, and the sealing screw 15 is fastened.
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 (6)
1. The novel throttling valve comprises a valve body (1) and a valve cover (2), and is characterized in that the connecting position of the valve body (1) and the valve cover (2) is provided with a ring (3) and sealing rings (6) on two sides of the ring (3), the ring (3) is connected with a sleeve (4) inserted in the valve body (1) through screws (7), a piston (8) is connected in the sleeve (4) in a sliding manner, a valve clack (9) is fixedly connected on the lower end face of the piston (8), a guide block (10) arranged in the vertical direction and a guide groove (402) formed by the guide block (10) and the bottom of the sleeve (4) are movably matched on the valve clack (9), a valve rod (11) and the valve rod (11) are movably connected on the upper end face of the piston (8) and penetrate through the valve cover (2), a sealing cover (12) is screwed on the valve cover (2), and a sealing filler (13) is arranged inside the lower end of the sealing cover (12) positioned in the valve cover (, the valve cover (2) is fixedly connected with the valve body (1) through a loose joint nut (14) which is sleeved on the valve cover (2) and screwed with the external thread outside the valve body (1).
2. A new type of throttling valve according to claim 1, characterized in that the interior of the valve body (1) has a horizontally arranged inlet (101) and a vertically arranged outlet (102), the inlet (101) communicating with the outlet (102).
3. A new type of throttling valve according to claim 1, characterized in that the lower end of the flap (9) has a chamfer and the flap (9) is inserted in the outlet (102), the flap (9) being a sliding fit with the valve body (1).
4. A new throttling valve according to claim 1, characterized in that the top end of the valve stem (11) is externally threaded and screwed to the cover (12).
5. The novel throttling valve according to claim 1, characterized in that a threaded hole (401) is vertically formed in the upper end surface of the sleeve (4), and a backing ring (5) is arranged at the connecting position of the sleeve (4) and the circular ring (3).
6. The novel throttling valve according to claim 1, characterized in that the valve rod (11) is a hollow rod and the bottom end of the valve rod (11) is communicated with the inside of the sleeve (4), and the top of the valve rod (11) is screwed with a sealing screw (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021551455.XU CN213017743U (en) | 2020-07-30 | 2020-07-30 | Novel throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021551455.XU CN213017743U (en) | 2020-07-30 | 2020-07-30 | Novel throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017743U true CN213017743U (en) | 2021-04-20 |
Family
ID=75460570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021551455.XU Withdrawn - After Issue CN213017743U (en) | 2020-07-30 | 2020-07-30 | Novel throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213017743U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413000A (en) * | 2022-02-14 | 2022-04-29 | 西派集团有限公司 | Straight-through cage type throttle valve |
-
2020
- 2020-07-30 CN CN202021551455.XU patent/CN213017743U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413000A (en) * | 2022-02-14 | 2022-04-29 | 西派集团有限公司 | Straight-through cage type throttle valve |
| CN114413000B (en) * | 2022-02-14 | 2023-01-31 | 西派集团有限公司 | Straight-through cage sleeve type throttle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210420 Effective date of abandoning: 20220728 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210420 Effective date of abandoning: 20220728 |