CN218207284U - Throttle valve capable of being precisely adjusted - Google Patents
Throttle valve capable of being precisely adjusted Download PDFInfo
- Publication number
- CN218207284U CN218207284U CN202222129886.2U CN202222129886U CN218207284U CN 218207284 U CN218207284 U CN 218207284U CN 202222129886 U CN202222129886 U CN 202222129886U CN 218207284 U CN218207284 U CN 218207284U
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- throttle
- check valve
- check
- throttle valve
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Abstract
The utility model provides a choke valve that can fine adjustment, including check valve cover and check valve throttle seat, through threaded connection between check valve cover and the check valve throttle seat, install the choke valve regulation pole through threaded connection in the check valve throttle seat, the check valve is internal to be equipped with the valve pocket, and the tip of choke valve regulation pole is arranged in the valve pocket, and the governing valve hand wheel is installed to the tail end of choke valve regulation pole, and the governing valve hand wheel is used for driving the choke valve regulation pole along check valve throttle seat axial motion, and the tip of choke valve regulation pole is used for adjusting the size of valve pocket. The utility model provides a pair of choke valve that can fine adjustment, this choke valve volume is less, the dismouting of being convenient for, all through threaded connection between check valve cover and check valve throttle seat and the choke valve regulation pole and the check valve throttle seat, it is connected more stably, and the machining precision requirement is not high, has saved the processing cost, and can not cause the card to pause or wearing and tearing because of the precision problem.
Description
Technical Field
The utility model relates to a choke valve technical field especially relates to a choke valve that can fine adjustment.
Background
The throttling valve is used as a pressure control element and is commonly used for a hydraulic system of a constant displacement pump, at present, domestic researches on adjustable throttling valves are carried out in plate or tube type installation modes, the researches on the screw thread insertion mode are less, the plate or tube type adjustable throttling valve is relatively large in size, equipment with requirements on installation space is not suitable, such as engineering machinery, agricultural machinery, logistics machinery and the like, and the screw thread insertion type adjustable throttling valve has the advantages of small size, convenience in installation, sensitivity in pressure regulation, stable pressure, precision in pressure regulation and the like, and is very suitable for hydraulic equipment with small installation space and high precision requirements.
In addition, the existing common adjustable throttle valves are integrated or the valve bodies are high in rigidity due to threaded connection, and when the throttle valves are installed and the movable throttle valves are screwed down without using a torque wrench, the throttle valves are possibly deformed due to excessive torque, so that the throttle valve cores are clamped and cannot work.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the problem that a choke valve that can fine adjustment is provided to overcome among the prior art defect that the choke valve volume is great, the installation is hard.
(II) technical scheme
For solving the technical problem, the utility model provides a choke valve that can fine adjustment, including check valve cover and check valve throttle seat, the check valve cover with through threaded connection between the check valve throttle seat, install the choke valve regulation pole through threaded connection in the check valve throttle seat, be equipped with the valve pocket in the check valve cover, the tip of choke valve regulation pole is arranged in the valve pocket, the governing valve hand wheel is installed to the tail end of choke valve regulation pole, the governing valve hand wheel is used for driving the choke valve regulation pole is followed check valve throttle seat axial motion, the tip of choke valve regulation pole is used for adjusting the size of valve pocket.
Further, be equipped with inlet and liquid outlet on the one-way valve barrel, the inlet with the liquid outlet all with the valve pocket intercommunication, the tip of throttle valve regulation pole is equipped with the regulation portion, the regulation portion is the toper, the inlet transversely sets up the tip of regulation portion, the vertical setting of liquid outlet is in the both sides of regulation portion just link up the one-way valve barrel.
Furthermore, the tail end of the throttle valve adjusting rod is arranged in the adjusting valve hand wheel, a through groove is formed in the throttle valve adjusting rod, a thread groove is formed in the adjusting valve hand wheel, a set screw is installed in the thread groove through threaded connection, the end part of the set screw is arranged in the through groove, the end part of the set screw is a conical part, and the conical part is arranged in the through groove; when the throttle hand wheel is rotated, the throttle adjusting rod rotates along with the throttle hand wheel, and when the throttle adjusting rod rotates clockwise, the throttle adjusting rod moves outwards to increase the volume of the valve cavity, and at the moment, the flow of the liquid outlet is increased; when the valve is rotated anticlockwise, the adjusting rod of the throttle valve moves inwards to reduce the volume of the valve cavity, and at the moment, the flow of the liquid outlet is reduced.
Furthermore, one side of the one-way valve throttling seat is provided with an adjusting valve nut, the throttling valve adjusting rod is provided with a threaded portion, and the throttling valve adjusting rod is connected with the one-way valve throttling seat and the adjusting valve nut through the threaded portion.
Furthermore, an annular mounting groove is formed in the throttle valve adjusting rod, a first sealing ring and a polytetrafluoroethylene check ring are mounted on the mounting groove, a second sealing ring is mounted outside the check valve throttling seat, and a third sealing ring and a butyronitrile check ring are mounted at the end of the check valve sleeve.
(III) advantageous effects
The utility model provides a pair of choke valve that can fine adjustment, this choke valve volume is less, the dismouting of being convenient for, all through threaded connection between check valve cover and check valve throttle seat and the throttle valve regulation pole and the check valve throttle seat, it is connected more stably, and the machining precision requirement is not high, has saved the processing cost, and when the choke valve regulation pole can not cause the card to pause or wear and tear because of precision problem with the check valve throttle seat when the choke valve is adjusted the operation.
Drawings
FIG. 1 is a sectional view of a throttle valve of the present invention which can be adjusted precisely;
fig. 2 is a sectional view of a throttle adjusting lever of the throttle valve of the present invention capable of being precisely adjusted;
fig. 3 is a sectional view of the check valve throttle seat of the throttle valve of the present invention.
The corresponding part names for the various reference numbers in the figures are: 1. a one-way valve housing; 2. a check valve throttle seat; 3. a throttle valve adjusting rod; 4. a valve cavity; 5. a regulating valve hand wheel; 6. a liquid inlet; 7. a liquid outlet; 8. an adjustment section; 9. a through groove; 10. a thread groove; 11. tightening the screw; 12. adjusting a valve nut; 13. a threaded portion; 14. mounting grooves; 15. a first seal ring; 16. polytetrafluoroethylene retainer rings; 17. a second seal ring; 18. a third seal ring; 19. butyronitrile retainer ring.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1-3, the utility model provides a choke valve that can fine adjustment, including check valve cover 1 and check valve throttle seat 2, pass through threaded connection between check valve cover 1 and the check valve throttle seat 2, install throttle valve adjusting lever 3 through threaded connection in the check valve throttle seat 2, be equipped with valve pocket 4 in the check valve cover 1, the tip of throttle valve adjusting lever 3 is arranged in valve pocket 4, the tail end of throttle valve adjusting lever 3 is installed and is adjusted valve hand wheel 5, the adjusting valve hand wheel 5 is used for driving throttle valve adjusting lever 3 along the axial motion of check valve throttle seat 2, the tip of throttle valve adjusting lever 3 is used for adjusting the size of valve pocket 4; specifically, in this embodiment, the one-way valve sleeve 1 is provided with a liquid inlet 6 and a liquid outlet 7, the liquid inlet 6 and the liquid outlet 7 are both communicated with the valve cavity 4, the end portion of the throttle valve adjusting rod 3 is provided with an adjusting portion 8, the adjusting portion 8 is conical, the liquid inlet 6 is transversely arranged at the end portion of the adjusting portion 8, the liquid outlet 7 is vertically arranged at two sides of the adjusting portion 8 and penetrates through the one-way valve sleeve 1, and the throttle valve adjusting rod 3 can adjust the size of the valve cavity 4 through the adjusting portion 8 after moving, so as to adjust the liquid output of the liquid outlet 7; the tail end of the throttle valve adjusting rod 3 is arranged in the adjusting valve hand wheel 5, the throttle valve adjusting rod 3 rotates along with the adjusting valve hand wheel 5 when the throttle valve hand wheel 5 is rotated, the throttle valve adjusting rod 3 moves outwards when the throttle valve hand wheel is rotated clockwise, so that the volume of the valve cavity 4 is increased, and the flow of the liquid outlet 7 is increased at the moment; when the valve is rotated anticlockwise, the throttle valve adjusting rod 3 moves inwards, so that the volume of the valve cavity 4 is reduced, and the flow of the liquid outlet 7 is reduced at the moment.
In the embodiment, the throttle valve adjusting rod 3 is provided with a through groove 9, the adjusting valve hand wheel 5 is provided with a thread groove 10, a set screw 11 is installed in the thread groove 10 through threaded connection, the end part of the set screw 11 is arranged in the through groove 9, specifically, the end part of the set screw 11 is a conical part, the conical part is arranged in the through groove 9, and the throttle valve adjusting rod 3 and the adjusting valve hand wheel 5 are fixed through the matching of the conical part and the through groove 9 after the set screw 11 is screwed; one side of check valve throttle seat 2 is equipped with governing valve nut 12, be equipped with screw thread portion 13 on the throttle valve regulation pole 3, throttle valve regulation pole 3 passes through screw thread portion 13 and connects check valve throttle seat 2 and governing valve nut 12, be equipped with annular mounting groove 14 on the throttle valve regulation pole 3, install first sealing washer 15 and polytetrafluoroethylene retaining ring 16 on the mounting groove 14, the externally mounted of check valve throttle seat 2 has second sealing washer 17, third sealing washer 18 and butyronitrile shelves circle 19 are installed to the tip of check valve cover 1, realize the sealed of each part of choke valve through each sealing washer and retaining ring.
The utility model provides a pair of choke valve that can fine adjustment, this choke valve volume is less, the dismouting of being convenient for, all through threaded connection between check valve cover and check valve throttle seat and the throttle valve adjusting lever and the check valve throttle seat, it is connected more stably, and the machining precision requirement is not high, has saved the processing cost, and when the choke valve adjusting lever can not cause the card to pause or wearing and tearing because of precision problem with the check valve throttle seat when the choke valve adjusts the operation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a can fine tuning choke valve, includes check valve cover (1) and check valve throttle seat (2), its characterized in that: check valve cover (1) with through threaded connection between check valve throttle seat (2), install throttle valve adjusting lever (3) through threaded connection in check valve throttle seat (2), be equipped with valve pocket (4) in check valve cover (1), the tip of throttle valve adjusting lever (3) is arranged in valve pocket (4), governing valve hand wheel (5) are installed to the tail end of throttle valve adjusting lever (3), governing valve hand wheel (5) are used for driving throttle valve adjusting lever (3) are followed check valve throttle seat (2) axial motion, the tip of throttle valve adjusting lever (3) is used for adjusting the size of valve pocket (4).
2. The throttle valve of claim 1 wherein: be equipped with inlet (6) and liquid outlet (7) on one-way valve barrel (1), inlet (6) with liquid outlet (7) all with valve pocket (4) intercommunication, the tip of throttle valve regulation pole (3) is equipped with regulation portion (8), regulation portion (8) are the toper, inlet (6) transversely set up the tip of regulation portion (8), liquid outlet (7) vertical setting is in the both sides of regulation portion (8) just link up one-way valve barrel (1).
3. The throttle valve of claim 1 wherein: the tail end of choke valve regulation pole (3) is arranged in governing valve hand wheel (5), be equipped with logical groove (9) on choke valve regulation pole (3), be equipped with thread groove (10) on governing valve hand wheel (5), install holding screw (11) through threaded connection in thread groove (10), the tip of holding screw (11) is arranged in lead to in the groove (9).
4. The throttle valve of claim 3 wherein: the end part of the set screw (11) is a conical part, and the conical part is arranged in the through groove (9).
5. The throttle valve of claim 1 wherein: one side of check valve throttle seat (2) is equipped with governing valve nut (12), be equipped with screw thread portion (13) on throttle valve adjusting lever (3), throttle valve adjusting lever (3) pass through screw thread portion (13) are connected check valve throttle seat (2) and governing valve nut (12).
6. The throttle valve of claim 1 wherein: the throttle valve adjusting rod (3) is provided with an annular mounting groove (14), and a first sealing ring (15) and a polytetrafluoroethylene check ring (16) are mounted on the mounting groove (14).
7. The throttle valve of claim 1 wherein: and a second sealing ring (17) is arranged outside the one-way valve throttling seat (2).
8. The throttle valve of claim 1 wherein: and a third sealing ring (18) and a butyronitrile check ring (19) are arranged at the end part of the one-way valve sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222129886.2U CN218207284U (en) | 2022-08-12 | 2022-08-12 | Throttle valve capable of being precisely adjusted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222129886.2U CN218207284U (en) | 2022-08-12 | 2022-08-12 | Throttle valve capable of being precisely adjusted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207284U true CN218207284U (en) | 2023-01-03 |
Family
ID=84655239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222129886.2U Active CN218207284U (en) | 2022-08-12 | 2022-08-12 | Throttle valve capable of being precisely adjusted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207284U (en) |
-
2022
- 2022-08-12 CN CN202222129886.2U patent/CN218207284U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |