CN213809027U

CN213809027U - Take stop device's recoil check valve

Info

Publication number: CN213809027U
Application number: CN202022737802.4U
Authority: CN
Inventors: 程锋; 张文兵; 严杰
Original assignee: Yingnuowei Valve Industry Co ltd
Current assignee: Yingnuowei Valve Industry Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-27
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a recoil check valve with a limiting device, which belongs to the technical field of recoil check valves and comprises a valve body, wherein a valve seat is fixedly connected inside the valve body, one end of the valve seat is matched and connected with a valve clack, the top of the valve body is detachably connected with a valve cover, the surface of the valve cover is provided with a limiting rod inserted inside the valve body, the top of the valve cover is fixedly connected with a proximity switch device plate, the top end inside the proximity switch device plate is provided with a proximity switch, the bottom of the proximity switch device plate is provided with a guide rod bearing cover, the valve clack is opened under the action of water pressure until the contact with the limiting rod is stopped, at the moment, a boss on the valve clack pushes the guide rod to the highest position, the proximity switch arranged on the proximity switch device plate receives a signal and gives a pump stopping signal, the motion condition of the valve clack inside the valve can be visually reflected to the outside and can be conveniently observed through the proximity switch, the purpose of conveniently controlling the water pump is achieved.

Description

Take stop device's recoil check valve

Technical Field

The utility model relates to a recoil check valve technical field especially relates to a take stop device's recoil check valve.

Background

The recoil check valve is a one-way valve widely applied to urban water supply and drainage, petroleum, chemical industry, pharmacy, chemical fertilizer and power pipelines, the opening and closing piece is automatically opened or closed by medium flowing and self gravity to prevent the medium from flowing backwards, the recoil check valve is one of swing check valves, and the advantages of the recoil check valve compared with the swing check valve are embodied in the aspects of simple structure, light valve clack, small closing sound, small closing angle, quick closing time and the like.

The traditional recoil check valve has the following shortcoming 1 in the use, the traditional recoil check valve is because the valve clack valve shaft is arranged in the valve body inside, install behind the pipeline, can't learn when the valve clack reaches the biggest opening position, also can't install limit switch, can't play the control effect of pump valve linkage, the service condition of recoil check valve has been restricted, electronic components such as current proximity sensor can't satisfy the operating mode condition, can't directly place and use inside the pipeline, for this reason, we provide a take stop device's recoil check valve.

SUMMERY OF THE UTILITY MODEL

The utility model provides a take stop device's recoil check valve aims at solving the outside unable valve clack of surveing of current recoil check valve and opens and close the state, and unable installation travel switch links with the water pump, forms the problem of closed loop feedback.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of take stop device's recoil check valve, which comprises a valve body, the inside fixedly connected with disk seat of valve body, the valve clack is connected in the cooperation of disk seat one end, the valve gap can be dismantled and be connected at the valve body top, valve gap surface mounting pegs graft to the inside spacing stick of valve body, valve gap top fixedly connected with proximity switch device board, proximity switch is installed on the inside top of proximity switch device board, the guide rod bearing cap is installed to proximity switch device board bottom, valve gap internally mounted has guide sleeve, inside guide rod bearing cap installs to guide sleeve, inside peg graft of guide rod bearing cap has the guide arm, install cylinder helical compression spring between guide arm and the guide rod bearing cap, glary circle is installed to the guide arm bottom.

Optionally, a valve shaft is installed on one side inside the valve seat, and the valve seat is connected with the valve clack through the valve shaft.

Optionally, an O-shaped ring is installed at the bottom of the valve cover, and the O-shaped ring is located at the joint of the valve cover and the top of the valve body.

Optionally, the glyme is located at a joint between the outer wall of the guide rod and the inner side wall of the guide sleeve.

The utility model has the advantages as follows:

1. the main body of the recoil check valve consists of a valve body, a valve seat, a valve clack, a valve cover, a valve shaft, a limit rod and a limit guide rod indicator arranged at the valve cover, wherein the limit guide rod indicator consists of a guide sleeve, a guide rod bearing cover, a cylindrical spiral compression spring and a Glare ring, the valve clack is opened under the action of water pressure until the valve clack is contacted and stopped with the limit rod, a boss on the valve clack pushes the guide rod to the highest position, a proximity switch arranged on a proximity switch device plate receives a signal and gives a pump stopping signal, the motion condition of the valve clack in the valve can be intuitively reflected to the outside, the motion condition of the valve clack in the valve can be conveniently observed through the proximity switch, the aim of conveniently controlling the water pump is achieved, the limit guide rod indicator is fixedly connected with the valve cover through a sealing pipe thread, the Glare ring can ensure the sealing performance under the condition of low friction, the cylindrical spiral compression spring is arranged between the guide rod bearing cover and the guide rod, the valve clack can absorb large energy to ensure that the guide rod can rebound effectively, and the boss on the valve clack is in a horizontal state with the center of the pipeline when the valve clack is opened to the maximum position, so that the boss can be ensured to be in effective contact with the spherical surface at the bottom of the guide rod.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a recoil check valve with a limiting device according to an embodiment of the present invention;

fig. 2 is a schematic view of a partially enlarged structure of a recoil check valve with a limiting device according to an embodiment of the present invention.

In the figure: 1. a valve body; 2. a valve flap; 3. a valve shaft; 4. a valve seat; 5. a valve cover; 6. a limiting rod; 7. a proximity switch device plate; 8. a proximity switch; 9. a guide rod bearing cap; 10. a guide sleeve; 11. an O-shaped ring; 12. a cylindrical helical compression spring; 13. a Glare circle; 14. a guide rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A recoil check valve with a stopper according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 2.

Referring to fig. 1 and 2, a recoil check valve with a limiting device provided by an embodiment of the present invention includes a valve body 1, a valve seat 4 is fixedly connected inside the valve body 1, one end of the valve seat 4 is connected with a valve flap 2 in a matching manner, a valve cover 5 is detachably connected on the top of the valve body 1, a limiting rod 6 inserted into the valve body 1 is installed on the surface of the valve cover 5, a proximity switch device plate 7 is fixedly connected on the top of the valve cover 5, a proximity switch 8 is installed on the top end inside the proximity switch device plate 7, a guide rod bearing cap 9 is installed at the bottom of the proximity switch device plate 7, a guide sleeve 10 is installed inside the valve cover 5, the guide rod bearing cap 9 is installed inside the guide sleeve 10, a guide rod 14 is inserted into the guide rod bearing cap 9, a cylindrical helical compression spring 12 is installed between the guide rod 14 and the guide rod bearing cap 9, the bottom of the guide rod 14 is provided with a Gray ring 13.

Illustratively, the valve clack 2 is opened under the effect of water pressure until the valve clack stops contacting with the limit rod 6, at the moment, the guide rod 14 is pushed to the highest position by the boss on the valve clack 2, the approach switch 7 arranged on the approach switch device plate 7 receives a signal and gives a pump stopping signal, the motion condition of the valve clack 2 in the valve can be intuitively reflected to the outside, and the approach switch 8 is convenient to observe, so that the purpose of conveniently controlling the water pump is achieved.

Referring to fig. 1 and 2, a valve shaft 3 is installed on one side inside the valve seat 4, and the valve seat 4 is connected with the valve flap 2 through the valve shaft 3.

The valve seat 4 is connected with the valve clack 2 through the valve shaft 3, and the valve clack 2 can flexibly adjust the angle under the action of the valve shaft 3, so that the opening and closing of the valve body 1 are controlled.

Referring to fig. 2, an O-ring 11 is mounted at the bottom of the valve cover 5, and the O-ring 11 is located at the joint of the valve cover 5 and the top of the valve body 1.

Illustratively, the joint of the valve cover 5 and the valve body 1 can be sealed by an O-shaped ring 11 arranged between the valve cover 5 and the valve body 1.

Referring to fig. 2, the greige ring 13 is located at the junction between the outer wall of the guide bar 14 and the inner side wall of the guide sleeve 10.

Illustratively, the GREEN ring 13 seals effectively and meets the low friction requirements for movement of the guide bar 14.

When in use, the main body of the recoil check valve consists of a valve body 1, a valve seat 4, a valve clack 2, a valve cover 5, a valve shaft 3, a limit rod 6 and a limit guide rod indicator arranged at the valve cover 5, wherein the limit guide rod indicator consists of a guide sleeve 10, a guide rod 14, a guide rod bearing cover 9, a cylindrical spiral compression spring 12 and a Glare ring 13, the valve clack 2 is opened under the action of water pressure until the valve clack stops contacting with the limit rod 6, at the moment, a boss on the valve clack 2 pushes the guide rod 14 to the highest position, a proximity switch 8 arranged on a proximity switch device plate 7 receives a signal and gives a pump stopping signal, the motion condition of the valve clack 2 in the valve can be intuitively reflected to the outside, the proximity switch 8 is convenient to observe, the aim of conveniently controlling a water pump is achieved, the limit guide rod indicator is fixedly connected with the valve cover 5 by a sealing pipe thread, and the Glare ring 13 can ensure the sealing performance under the condition of low friction, the cylindrical spiral compression spring 12 between the guide rod bearing cover 9 and the guide rod 14 can absorb large energy to ensure that the guide rod 14 can effectively rebound, when the valve clack 2 is opened to the maximum position, a boss on the valve clack 2 is in a horizontal state with the center of a pipeline and can be ensured to be in effective contact with the spherical surface at the bottom of the guide rod 14, the valve seat 4 is connected with the valve clack 2 through the valve shaft 3, the valve clack 2 can flexibly adjust the angle under the action of the valve shaft 3 to further control the opening and closing of the valve body 1, the sealing effect can be realized on the joint of the valve cover 5 and the valve body 1 through the O-shaped ring 11 arranged between the valve cover 5 and the valve body 1, the Glare ring 13 can effectively seal and meet the requirement of low friction when the guide rod 14 moves, the sealing surface of the valve seat 4 forms a certain angle with the center of the pipeline, the valve clack 2 rotates by taking the valve shaft 3 as the center, the opening angle is determined by the length of the limit rod 6, and the guide rod 14 is in contact with and separated from the boss arranged on the valve clack 2, and the proximity switch 8 senses a stop block arranged at the upper end of the guide rod 14 and receives a full opening signal of the valve.

It should be noted that the utility model relates to a take stop device's recoil check valve, including valve body 1, valve clack 2, valve shaft 3, disk seat 4, valve gap 5, spacing stick 6, proximity switch device board 7, proximity switch 8, guide rod bearing cap 9, guide sleeve 10, O shape circle 11, cylinder spiral compression spring 12, glary circle 13, guide arm 14, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a take stop device's recoil check valve, includes valve body (1), its characterized in that, the inside fixedly connected with disk seat (4) of valve body (1), valve clack (2) are connected in the cooperation of disk seat (4) one end, valve gap (5) can be dismantled and be connected at valve body (1) top, valve gap (5) surface mounting inserts to the inside spacing stick (6) of valve body (1), valve gap (5) top fixedly connected with proximity switch device board (7), proximity switch (8) are installed to the inside top of proximity switch device board (7), proximity switch device board (7) bottom is installed guide rod bearing cap (9), valve gap (5) internally mounted has guide sleeve (10), guide rod bearing cap (9) are installed to inside guide sleeve (10), guide rod bearing cap (9) inside is inserted and is had guide rod (14), a cylindrical spiral compression spring (12) is arranged between the guide rod (14) and the guide rod bearing cover (9), and a GREEN ring (13) is arranged at the bottom of the guide rod (14).

2. A recoil check valve with a limit device according to claim 1, characterized in that a valve shaft (3) is installed at one side inside the valve seat (4), and the valve seat (4) is connected with the valve flap (2) through the valve shaft (3).

3. A recoil check valve with a limit device according to claim 1, characterized in that an O-ring (11) is installed at the bottom of the valve cover (5), and the O-ring (11) is located at the joint of the valve cover (5) and the top of the valve body (1).

4. A recoil check valve with a stopper according to claim 1, wherein the greige ring (13) is located at a junction between an outer wall of the guide rod (14) and an inner side wall of the guide sleeve (10).