CN215521984U

CN215521984U - Stop valve for emulsion pump

Info

Publication number: CN215521984U
Application number: CN202122256590.2U
Authority: CN
Inventors: 陈鹏慧; 王飞; 聂兴会; 赵洪伟
Original assignee: Pingdingshan Yixiang Industry And Trade Co ltd
Current assignee: Pingdingshan Yixiang Industry And Trade Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-01-14
Anticipated expiration: 2031-09-17

Abstract

The utility model belongs to the technical field of valves, and discloses a stop valve for an emulsion pump, which comprises a valve body and a valve rod, wherein one end of the valve rod is positioned inside the valve body, a valve cover is arranged above the valve body, an outer frame is arranged above the valve cover, a balance spring is arranged inside the outer frame, the valve rod penetrates through the valve cover and extends to the bottom wall of the outer frame, the outer frame is arranged above the valve cover, and the spring is arranged in the outer frame, two ends of the elastic frame are respectively contacted with the adjusting plate and the inner wall above the outer frame and the adjusting plate, when in use, the contact point of the balance spring is fixed, so the elastic frame cannot move, the self-generated elastic force of the valve can be applied downwards, so that the force required for closing the valve is reduced, the force required for opening the valve is increased, the resistance of the cut-off valve in opening and closing is balanced, therefore, the phenomenon that the staff is opened excessively due to muscle memory is avoided, and fine adjustment can be realized.

Description

Stop valve for emulsion pump

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a stop valve for an emulsion pump.

Background

The emulsion pump is used for a coal face and provides emulsion for a hydraulic support, the emulsion pump needs to use a stop valve to transport the emulsion in the using process, the stop valve is also called a stop valve and belongs to a forced sealing type valve, so that pressure must be applied to a valve clack when the valve is closed so as to prevent leakage of a forced sealing surface, the stop valve is one of wide valves, the friction force between the sealing surfaces in the opening and closing process is small, the stop valve is durable, the opening height is small, the manufacture is easy, the maintenance is convenient, and the stop valve is suitable for medium and low pressure and high pressure, so the stop valve is popular.

The stop valve that uses at present when using, receives the influence of liquid pressure when flowing, compares in opening the valve and closes the valve time hard, because required hard degree is different during the switch, consequently when the adjustment degree of opening and shutting, can be because the muscle memory application of force and too big error appears usually, and the guiding mechanism of stop valve directly exposes externally, receives very easily corroded after the erosion of steam to the degree of difficulty of opening and shutting the valve has been improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a stop valve for an emulsion pump, which solves the problems that the force difference required by the existing stop valve is too large when the valve is opened and closed and the adjusting structure is easily corroded by water vapor.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a stop valve for emulsion pump, includes valve body and valve rod, the one end of valve rod is located the inside of valve body, and the top of valve body is provided with the valve gap, the top of valve gap is provided with the frame, and the inside of frame is provided with balance spring, the valve rod runs through the diapire that the valve gap extends to the frame.

Preferably, the regulating plate is installed to the top of valve rod, and regulating plate and balance spring's bottom mutual contact, the block seat is installed to the last wall of regulating plate, and the block seat is located balance spring's inside.

Preferably, the diameter of the adjusting plate is the same as that of the inner wall of the outer frame, and a through hole with the diameter smaller than the diameter of the balance spring is formed in the upper surface wall of the outer frame.

Preferably, the inside of the clamping seat is provided with a matching groove, a clamping block is arranged above the clamping seat, an inserting rod is arranged above the clamping block, one end of the inserting rod penetrates through the through hole and extends to the outside of the outer frame, and an adjusting handle is arranged at one end of the inserting rod, which is located at the outside of the outer frame.

Preferably, the surface wall of the contact area of the valve rod and the upper part of the valve cover is provided with a packing and a pressing ring, and the pressing ring is positioned above the packing.

Preferably, the valve clack is installed below the valve rod, a water gap is formed in the valve body, and the diameter of the valve body is smaller than that of the valve clack.

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

(1) the outer frame is arranged above the valve cover, the spring is arranged in the outer frame, two ends of the elastic frame are respectively contacted with the adjusting plate and the inner wall above the outer frame and the adjusting plate, when the valve is used, the contact point of the balance spring is fixed and cannot move, the self-generated elastic force of the elastic frame can be exerted downwards, the force required when the valve is closed is reduced, the force required when the valve is opened is increased, the resistance when the stop valve is opened and closed is balanced, the phenomenon that a worker is excessively opened due to muscle memory is avoided, and fine adjustment can be achieved.

(2) According to the utility model, the clamping seat is arranged above the adjusting plate, and the clamping block below the inserted rod is matched with the matching groove in the clamping seat to complete clamping, and as the clamping seat and the adjusting plate are both positioned in the outer frame, and the diameter of the adjusting plate is the same as the inner diameter of the outer frame, water vapor is difficult to enter the screwing structure in the valve cover during daily use, so that the situation of corrosion of screwing grains is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an external view of the present invention;

FIG. 3 is a top view of the adjustment plate of the present invention;

FIG. 4 is a front view of the adjustment handle and the plunger of the present invention;

in the figure: 1. adjusting the handle; 2. a balance spring; 3. an outer frame; 4. a clamping seat; 5. a filler; 6. a valve cover; 7. a clamping block; 8. a water gap; 9. a valve body; 10. a valve flap; 11. a valve stem; 12. pressing a ring; 13. an adjusting plate; 14. inserting a rod; 15. fitting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a stop valve for emulsion pump, including valve body 9 and valve rod 11, the one end of valve rod 11 is located the inside of valve body 9, and the top of valve body 9 is provided with valve gap 6, the top of valve gap 6 is provided with frame 3, and the inside of frame 3 is provided with balance spring 2, balance spring 2's top and the top inner wall of frame 3 contact each other, this contact point can't be adjusted, consequently balance spring 2's elasticity only must release downwards, resistance when the power balance stop valve opens and shuts with the help of the spring kick-back, valve rod 11 runs through the diapire that valve gap 6 extends to frame 3.

Furthermore, an adjusting plate 13 is installed above the valve rod 11, the adjusting plate 13 is in contact with the bottom of the balance spring 2, a clamping seat 4 is installed on the upper surface wall of the adjusting plate 13, the clamping seat 4 is located inside the balance spring 2, and the inserted rod 14 and the clamping block 7 below the inserted rod complete clamping inside the balance spring 2.

Furthermore, the diameter of the adjusting plate 13 is the same as the inner wall of the outer frame 3, the adjusting plate 13 can move up and down in the outer frame 3, and a through hole with a diameter smaller than the diameter of the balance spring 2 is formed on the upper surface of the outer frame 3 than the surface wall.

Specifically, a matching groove 15 is formed in the clamping seat 4, a clamping block 7 is arranged above the clamping seat 4, an insertion rod 14 is arranged above the clamping block 7, the insertion rod 14 and the adjusting plate 13 are in mutual contact but are not fixed, the insertion rod 14 can be taken out after moving upwards, the clamping of the rotating structure is completed through the matching groove 15 between the clamping block 7 and the clamping seat 4, then the opening and closing of the stop valve can be controlled by rotating the adjusting handle 1, one end of the insertion rod 14 penetrates through the through hole and extends to the outside of the outer frame 3, and the adjusting handle 1 is installed at one end, located at the outside of the outer frame 3, of the insertion rod 14.

It is worth mentioning that the surface wall of the contact area of the valve rod 11 and the upper part of the valve cover 6 is provided with the packing 5 and the pressing ring 12, the packing 5 improves the sealing effect of the inner part of the valve cover 6, and the pressing ring 12 is positioned above the packing 5.

Further, a valve clack 10 is installed below the valve rod 11, a water gap 8 is formed in the valve body 9, the diameter of the valve body 9 is smaller than that of the valve clack 10, the water gap 8 is a through hole for water flow of the valve body 9, and the water gap can be blocked by the valve clack 10 to close the valve.

The working principle and the using process of the utility model are as follows: when the utility model is used, a conveying pipe of an emulsion pump is connected to two ends of a valve body 9, the flow rate of emulsion is controlled by closing or opening a valve clack 10 and a water gap 8, when the utility model needs to be adjusted, a clamping block 7 below an adjusting handle 1 passes through an opening above an outer frame 3 and is clamped with a matching groove 15 in a clamping seat 4, a balance spring 2 in the outer frame 3 rebounds downwards when a valve rod 11 is screwed downwards, so that power is provided, when the valve rod is screwed upwards, the balance spring 2 is influenced by water pressure without excessive force application, but the balance spring 2 is extruded to increase resistance, so that the resistance during opening is balanced, the phenomenon that a worker is opened excessively due to muscle memory is avoided, and water vapor is difficult to enter a screwing structure in a valve cover 6 because an adjusting plate 13 is tightly attached to the inner wall of the outer frame 3, so that the condition that the screwing structure is rusted is avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stop valve for emulsion pump which characterized in that: including valve body (9) and valve rod (11), the one end of valve rod (11) is located the inside of valve body (9), and the top of valve body (9) is provided with valve gap (6), the top of valve gap (6) is provided with frame (3), and the inside of frame (3) is provided with balance spring (2), valve rod (11) run through valve gap (6) and extend to the diapire of frame (3).

2. A stop valve for an emulsion pump according to claim 1, wherein: regulating plate (13) is installed to the top of valve rod (11), and regulating plate (13) and balance spring (2) bottom contact each other, block seat (4) are installed to the last wall of regulating plate (13), and block seat (4) are located balance spring (2) inside.

3. A stop valve for an emulsion pump according to claim 2, wherein: the diameter of the adjusting plate (13) is the same as the inner wall of the outer frame (3), and a through hole with the diameter smaller than the diameter of the balance spring (2) is formed in the upper surface of the outer frame (3) than the surface wall.

4. A stop valve for an emulsion pump according to claim 3, wherein: a matching groove (15) is formed in the clamping seat (4), a clamping block (7) is arranged above the clamping seat (4), an inserting rod (14) is arranged above the clamping block (7), one end of the inserting rod (14) penetrates through the through hole and extends to the outer portion of the outer frame (3), and the end, located at the outer portion of the outer frame (3), of the inserting rod (14) is provided with an adjusting handle (1).

5. A stop valve for an emulsion pump according to claim 4, wherein: the packing (5) and the pressing ring (12) are arranged on the surface wall of the contact area above the valve rod (11) and the valve cover (6), and the pressing ring (12) is located above the packing (5).

6. A stop valve for an emulsion pump according to claim 5, wherein: the valve is characterized in that a valve clack (10) is arranged below the valve rod (11), a water gap (8) is formed in the valve body (9), and the diameter of the valve body (9) is smaller than that of the valve clack (10).