CN219493156U

CN219493156U - Micro-opening type safety valve with handle in threaded connection

Info

Publication number: CN219493156U
Application number: CN202320954333.2U
Authority: CN
Inventors: 李红超; 安军委; 王彦磊; 付亮峰; 安云侠; 马建明; 李会娟; 李保灵
Original assignee: Kaifeng Ruifa High & Middle Pressure Valve Co ltd
Current assignee: Kaifeng Ruifa High & Middle Pressure Valve Co ltd
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-08-08
Anticipated expiration: 2033-04-25

Abstract

The utility model discloses a micro-opening type safety valve with a handle in threaded connection, which relates to the technical field of safety valves and comprises a safety valve body, wherein a control handle is arranged at the upper end of the safety valve body, a sliding frame is arranged at the upper end of the safety valve body, two fixing pieces are arranged at one end of the sliding frame and are positioned at the peripheral side of the upper end of the safety valve body, a screw rod is rotationally connected to the sliding frame, and a screw block positioned in the control handle is in threaded connection with the peripheral side of the screw rod. The safety valve handle structure provided by the utility model can realize the accurate adjustment of the control handle by rotating the screw in the sliding frame, and the accurate discharge of the relief valve body.

Description

Micro-opening type safety valve with handle in threaded connection

Technical Field

The utility model relates to the technical field of safety valves, in particular to a micro-opening type safety valve with a handle in threaded connection.

Background

The micro-opening type safety valve refers to a type of safety valve with relatively smaller valve clack opening height and discharge amount, and concretely refers to a type of safety valve with the specified valve clack opening height h in the following mannerThe valve seat is characterized in that the diameter d1 is the diameter of the throat part of the valve seat, the sealing surface of the valve clack is provided with a plane surface and a conical surface, and the discharge area of the valve clack and the valve seat is respectively calculated according to the area of a cylindrical surface or a conical surface curtain formed between the valve clack and the valve seat. The device is suitable for occasions with smaller discharge quantity, larger back pressure and stable system pressure. The existing micro-opening safety valve can not realize accurate adjustment of the discharge amount, and is directly stirred by a switch handle, so that the maximum discharge amount is usually realized by directly closing or opening, and the use of the safety valve is not facilitated. Therefore, the utility model provides a take handle threaded connection to open formula relief valve a little to solve the problem that mentions in the above-mentioned background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a threaded connection micro-opening type safety valve with a handle.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a take handle threaded connection to open formula relief valve a little, includes the relief valve body, control handle is installed to relief valve body upper end, relief valve body upper end is provided with the balladeur train, balladeur train one end is provided with two stationary blades, two the stationary blade all is located relief valve body upper end week side, the balladeur train internal rotation is connected with the screw rod, screw rod week side threaded connection has the spiral shell piece that is located control handle.

Preferably, the fixing pieces are connected to the sliding frame through hinges, bolts are arranged between the two fixing pieces, and corresponding nuts are arranged at one ends of the bolts.

Preferably, the sliding groove II is formed in the left side and the right side of the sliding frame, the sliding block II is connected with the sliding block in a sliding mode, the inserting rod is arranged on the sliding block, and the inserting grooves corresponding to the inserting rod are formed in the left side and the right side of the screw block.

Preferably, the left side and the right side of the control handle are provided with a first chute corresponding to the inserted link.

Preferably, the pull button is fixed at the outer end of the inserted link, the limiting piece is fixed at the inner end of the inserted link, and a spring sleeved on the periphery of the inserted link is arranged between the outer side of the limiting piece and the inside of the sliding block.

Preferably, a knob 9 is fixed at the outer end of the screw 5.

Compared with the prior art, the utility model has the beneficial effects that:

the safety valve handle structure provided by the utility model can realize the accurate adjustment of the control handle by rotating the screw in the sliding frame, and the accurate discharge of the relief valve body.

Drawings

FIG. 1 is a schematic diagram of a micro-opening safety valve with a threaded connection handle according to the present utility model;

FIG. 2 is a schematic diagram of a micro-opening safety valve with a handle in threaded connection according to the present utility model;

FIG. 3 is a schematic view of a connection structure of a carriage in a micro-start type safety valve with a handle in threaded connection;

fig. 4 is a schematic diagram of a connection structure of a micro-opening type safety valve slider with a handle in threaded connection.

In the figure: 1. a safety valve body; 2. a control handle; 3. a carriage; 4. a fixing piece; 5. a screw; 6. a screw block; 7. a first chute; 8. a slide block; 9. a rotary knob; 10. a second chute; 11. pulling a button; 12. a rod; 13. a limiting piece; 14. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, a micro-opening type safety valve with a handle is in threaded connection, the micro-opening type safety valve comprises a safety valve body 1, a control handle 2 is installed at the upper end of the safety valve body 1, a sliding frame 3 is arranged at the upper end of the safety valve body 1, two fixing pieces 4 are arranged at one end of the sliding frame 3 and are located on the periphery of the upper end of the safety valve body 1, a screw rod 5 is rotationally connected to the sliding frame 3, a screw block 6 located in the control handle 2 is in threaded connection with the periphery of the screw rod 5, sliding grooves two 10 are formed in the left side and the right side of the sliding frame 3, a sliding block 8 is in sliding connection with the sliding grooves two 10 in the sliding grooves two 10, an inserting rod 12 is arranged on the sliding block 8, slots corresponding to the inserting rod 12 are formed in the left side and the right side of the screw block 6, a sliding groove one 7 corresponding to the inserting rod 12 is formed in the left side and the right side of the control handle 2, the rotating screw rod 5 rotates the sliding frame 3 through a rotating button 9, the rotating screw rod 5 is enabled to be in the sliding block 6 in the sliding frame 3 through the sliding blocks 8 at the two sides, the sliding blocks 6 continuously moves outwards along with the sliding blocks 6, the sliding blocks on the two sides of the sliding block 2 correspond to the sliding grooves 7, the sliding blocks 2 are enabled to rotate on the sliding handle body 2, and the safety valve 1 is enabled to realize accurate control of the safety valve 1, and the purpose is achieved;

further, the fixing pieces 4 are connected to the sliding frame 3 through hinges, a bolt 15 is arranged between the two fixing pieces 4, a corresponding nut is arranged at one end of the bolt 15, a pull button 11 is fixed at the outer end of the inserting rod 12, a limiting piece 13 is fixed at the inner end of the inserting rod 12, a spring 14 sleeved on the periphery side of the inserting rod 12 is arranged between the outer side of the limiting piece 13 and the inner part of the sliding block 8, when the control frame structure on the safety valve body 1 needs to be detached, the inserting rod 12 in the sliding block 8 on two sides is pulled through the pull button 11, the inserting rod 12 penetrates through the sliding grooves 7 on two sides of the control handle 2, then the control handle 2 on the safety valve body 1 can be rotated out, at the moment, the bolt 15 between the two side fixing pieces 4 is rotated, the bolt 15 is rotated down to enable the fixing pieces 4 on two sides to be rotated, and then the sliding frame 3 can be detached from the safety valve body 1.

The specific working principle of the utility model is as follows:

when the safety valve is used, the screw rod 5 in the sliding frame 3 is rotated through the rotary button 9, the screw rod 5 is rotated, the screw block 6 in threaded connection with the screw rod slides in the sliding frame 3 through the sliding blocks 8 at two sides, the inserted link 12 slides in the corresponding sliding groove 7 at two sides of the control handle 2 along with the continuous outward movement of the screw block 6, so that the control handle 2 on the safety valve body 1 rotates in an angle, and the purpose of accurately controlling the discharge quantity of the safety valve body 1 is further realized;

when the control frame structure on the safety valve body 1 needs to be detached, the pull button 11 is used for pulling the inserted rod 12 in the sliding blocks 8 on two sides, the inserted rod 12 penetrates through the sliding grooves 7 on two sides of the control handle 2, then the control handle 2 on the safety valve body 1 can be rotated out, at the moment, the bolt 15 between the fixing pieces 4 on two sides is rotated, the fixing pieces 4 on two sides can be rotated away by rotating the bolt 15, and then the sliding frame 3 can be detached from the safety valve body 1.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a take handle threaded connection to open formula relief valve a little, includes relief valve body (1), its characterized in that, control handle (2) are installed to relief valve body (1) upper end, relief valve body (1) upper end is provided with balladeur train (3), balladeur train (3) one end is provided with two stationary blades (4), two stationary blade (4) all are located relief valve body (1) upper end week side, balladeur train (3) internal rotation is connected with screw rod (5), screw rod (5) week side threaded connection has screw block (6) that are located control handle (2).

2. The micro-start type safety valve with the handle threaded connection according to claim 1, wherein the fixing pieces (4) are connected to the sliding frame (3) through hinges, a bolt (15) is arranged between the two fixing pieces (4), and a corresponding nut is arranged at one end of the bolt (15).

3. The micro-opening type safety valve with the handle threaded connection according to claim 1, wherein a second sliding groove (10) is formed in the left side and the right side of the sliding frame (3), a sliding block (8) is connected in the second sliding groove (10) in a sliding mode, an inserting rod (12) is arranged on the sliding block (8), and slots corresponding to the inserting rod (12) are formed in the left side and the right side of the screw block (6).

4. The micro-opening type safety valve with the handle threaded connection according to claim 1, wherein the left side and the right side of the control handle (2) are provided with a first sliding groove (7) corresponding to the inserted link (12).

5. The micro-start type safety valve with the handle threaded connection according to claim 3, wherein a pull button (11) is fixed at the outer end of the inserted link (12), a limiting piece (13) is fixed at the inner end of the inserted link (12), and a spring (14) sleeved on the periphery of the inserted link (12) is arranged between the outer side of the limiting piece (13) and the inner side of the sliding block (8).

6. The micro-opening type safety valve with the handle threaded connection according to claim 1, wherein a rotary knob (9) is fixed at the outer end of the screw rod (5).