CN216009664U

CN216009664U - Plunger valve with elastic automatic compensation seal

Info

Publication number: CN216009664U
Application number: CN202122107081.3U
Authority: CN
Inventors: 沈勇
Original assignee: Jiangsu Penggao Valve Co ltd
Current assignee: Jiangsu Penggao Valve Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-03-11
Anticipated expiration: 2031-09-02

Abstract

The utility model discloses a plunger valve with elastic automatic compensation seal, which relates to the technical field of valves and comprises a valve body, an input pipe and an output pipe which are respectively arranged at the two ends of the valve body, an inner cavity for accommodating an outer rod is movably connected with a movable inner rod, the lower end of the movable inner rod is fixedly connected with a lap joint disc, the outer surface of the movable inner rod is sleeved with a reset spring, the lower end of the lap joint disc is fixedly connected with a seal layer, under the normal circulation state of water flow, the lap joint disc extrudes the reset spring under the action of water pressure to drive the movable inner rod to enter the inner cavity for accommodating the outer rod, and the seal layer is also driven by the lap joint disc to be away from a circulation port, if a reverse flow phenomenon occurs, the pressure given by the input water flow is less than the resilience of the reset spring, so the lap joint disc drives the seal layer to seal the circulation port under the action force of the reset spring, the manual control is not needed, the automatic compensation seal purpose is realized, the practicability is good.

Description

Plunger valve with elastic automatic compensation seal

Technical Field

The utility model relates to the technical field of valves, specifically be sealed plunger valve with elasticity automatic compensation.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.

The existing plunger valve is hard in contact with metal between iron and iron, is unsatisfactory in sealing effect, is easy to cause mutual damage and leakage, cannot automatically compensate and seal when the countercurrent phenomenon occurs, can be stopped only by manual control, and is poor in practicability.

To the above problem, the utility model provides a plunger valve with elasticity automatic compensation is sealed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plunger valve with elasticity automatic compensation is sealed, the inner chamber swing joint who accomodates the outer pole has the activity in, the lower extreme fixedly connected with overlap joint dish of the pole in the activity, reset spring has been cup jointed to the surface of the pole in the activity, the lower extreme fixedly connected with sealing layer of overlap joint dish, reset spring's one end and the outer pole fixed connection of accomodating, its other end and overlap joint dish fixed connection, the diameter of overlap joint dish is greater than the diameter of through-flow mouth, the sealing layer is the component that the rubber material was made, its shape is the hemisphere, and the center of sealing layer is hollow out construction, the diameter of sealing layer is greater than the diameter of through-flow mouth, thereby the problem in the background art has been solved.

In order to achieve the above object, the utility model provides a following technical scheme: the plunger valve with elastic automatic compensation sealing comprises a valve body, an input pipe and an output pipe which are respectively arranged at two ends of the valve body, wherein a sealing assembly is arranged in an inner cavity of the valve body, a through-flow opening is formed in the lower end of the sealing assembly, and the through-flow opening is formed in the joint of the input pipe and the output pipe;

the sealing assembly comprises an accommodating outer rod, a movable inner rod is movably connected to an inner cavity of the accommodating outer rod, a lap joint disc is fixedly connected to the lower end of the movable inner rod, a reset spring is sleeved on the outer surface of the movable inner rod, and a sealing layer is fixedly connected to the lower end of the lap joint disc.

Preferably, one end of the return spring is fixedly connected with the accommodating outer rod, and the other end of the return spring is fixedly connected with the lap joint disc.

Preferably, the diameter of the overlapping disk is larger than the diameter of the through-flow opening.

Preferably, the upper end of the valve body is provided with a control panel, the lower end of the control panel is provided with a connecting piece, and the lower end of the connecting piece is provided with a mounting disc.

Preferably, the lower extreme fixedly connected with threaded rod of control panel, threaded rod run through connecting piece and mounting disc, and one end with accomodate outer pole fixed connection.

Preferably, the sealing layer is a member made of rubber, the sealing layer is hemispherical, and the center of the sealing layer is of a hollow structure.

Preferably, the sealing layer has a diameter larger than that of the flow opening.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a plunger valve with elastic automatic compensation seal, the inner cavity swing joint of accomodating the outer pole has movable inner pole, the lower extreme fixedly connected with overlap joint dish of movable inner pole, reset spring has been cup jointed to the surface of movable inner pole, the lower extreme fixedly connected with sealing layer of overlap joint dish, reset spring's one end and accomodating the outer pole fixed connection, its other end and overlap joint dish fixed connection, the diameter of overlap joint dish is greater than the diameter of through-flow mouth, under the state that rivers normally circulate, the overlap joint dish extrudees reset spring under the effect of water pressure, drive movable inner pole to get into the inner chamber of accomodating the outer pole, and the sealing layer also keeps away from the through-flow mouth under the drive of overlap joint dish, if the phenomenon of flow reversal takes place, the pressure that the rivers of input at this moment gave is less than reset spring's resilience force, so the overlap joint dish drives the sealing layer under reset spring's effort and seals the through-flow mouth, do not need artificial control, the purpose of automatic compensation sealing is realized, and the practicability is good.

2. The utility model provides a plunger valve with elasticity automatic compensation is sealed, the sealing layer is the component that the rubber material was made, its shape is the hemisphere, and the center of sealing layer is hollow out construction, the rubber material is soft and has elasticity, the diameter of sealing layer is greater than the diameter of through-flow mouth, when the through-flow mouth is sealed to the sealing layer, because the diameter of sealing layer is greater than the diameter of through-flow mouth, so the sealing layer can be under the extrusion of through-flow mouth inner wall, its both sides are sunken to inside, the resilience force through the sealing layer this moment, make the outer wall of sealing layer and through-flow mouth tightly laminate, sealed effect is showing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

fig. 3 is a schematic structural view of the sealing assembly of the present invention;

fig. 4 is a schematic view of the sealing state of the sealing layer of the present invention.

In the figure: 1. a valve body; 2. an input tube; 3. an output pipe; 4. a control panel; 5. a connecting member; 6. mounting a disc; 7. a threaded rod; 8. a seal assembly; 9. a flow port; 81. receiving the outer rod; 82. a movable inner rod; 83. a lap joint disc; 84. a return spring; 85. and (7) sealing the layer.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the plunger valve with elastic self-compensating seal includes a valve body 1, and an input pipe 2 and an output pipe 3 respectively disposed at two ends of the valve body 1, wherein a sealing assembly 8 is disposed in an inner cavity of the valve body 1, a through-flow port 9 is disposed at a lower end of the sealing assembly 8, and the through-flow port 9 is disposed at a junction of the input pipe 2 and the output pipe 3.

The sealing component 8 comprises an accommodating outer rod 81, a movable inner rod 82 is movably connected in an inner cavity of the accommodating outer rod 81, a lap joint disc 83 is fixedly connected at the lower end of the movable inner rod 82, a return spring 84 is sleeved on the outer surface of the movable inner rod 82, a sealing layer 85 is fixedly connected at the lower end of the lap joint disc 83, one end of the return spring 84 is fixedly connected with the accommodating outer rod 81, the other end of the return spring is fixedly connected with the lap joint disc 83, the diameter of the lap joint disc 83 is larger than that of the through-flow port 9, under the normal flowing state of water flow, the lap joint disc 83 extrudes the return spring 84 under the action of water pressure to drive the movable inner rod 82 to enter the inner cavity of the accommodating outer rod 81, the sealing layer 85 is also far away from the through-flow port 9 under the driving of the lap joint disc 83, if the counter-flow phenomenon occurs, the pressure given by the input water flow is smaller than the resilience force of the return spring 84, so that the lap joint disc 83 drives the sealing layer 85 to seal the through-flow port 9 under the action force of the return spring 84, the aim of automatic compensation sealing is achieved without manual control, and the practicability is good.

The upper end of valve body 1 is provided with control panel 4, and the lower extreme of control panel 4 is provided with connecting piece 5, and the lower extreme of connecting piece 5 is provided with mounting disc 6, and the lower extreme fixedly connected with threaded rod 7 of control panel 4, threaded rod 7 run through connecting piece 5 and mounting disc 6, and one end with accomodate outer pole 81 fixed connection, the staff is through rotating control panel 4, can seal through threaded rod 7 control seal assembly 8 to through-flow mouth 9.

Referring to fig. 4, the sealing layer 85 is a member made of rubber, and is shaped like a hemisphere, the center of the sealing layer 85 is a hollow structure, the rubber is soft and elastic, the diameter of the sealing layer 85 is greater than the diameter of the vent 9, when the sealing layer 85 seals the vent 9, because the diameter of the sealing layer 85 is greater than the diameter of the vent 9, the sealing layer 85 is pressed by the inner wall of the vent 9, two sides of the sealing layer 85 are recessed inward, and at this time, the outer wall of the sealing layer 85 is tightly attached to the vent 9 by the resilience of the sealing layer 85, so that the sealing effect is remarkable.

The working principle is as follows: under the normal state of circulating of rivers, lap joint dish 83 extrudees reset spring 84 under hydraulic effect, drive activity interior pole 82 and get into the inner chamber of taking in outer pole 81, and sealing layer 85 also keeps away from through-flow mouth 9 under lap joint dish 83's drive, if the phenomenon of flow against the current takes place, the pressure that the rivers of input given this moment is less than reset spring 84's resilience force, so lap joint dish 83 drives sealing layer 85 sealed through-flow mouth 9 under reset spring 84's effort, when sealing layer 85 sealed through-flow mouth 9, because the diameter of sealing layer 85 is greater than through-flow mouth 9's diameter, so sealing layer 85 can be under the extrusion of through-flow mouth 9 inner wall, its both sides are sunken to inside, through the resilience of sealing layer 85 this moment, make the outer wall of sealing layer 85 tightly laminate with through-flow mouth 9.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Plunger valve with elasticity automatic compensation is sealed, including valve body (1) to and set up input tube (2) and output tube (3) at valve body (1) both ends respectively, its characterized in that: a sealing assembly (8) is arranged in the inner cavity of the valve body (1), a through flow port (9) is formed in the lower end of the sealing assembly (8), and the through flow port (9) is formed in the joint of the input pipe (2) and the output pipe (3);

seal assembly (8) are including accomodating outer pole (81), and the inner chamber swing joint of accomodating outer pole (81) has movable interior pole (82), and the lower extreme fixedly connected with overlap joint dish (83) of movable interior pole (82), reset spring (84) have been cup jointed to the surface of movable interior pole (82), and the lower extreme fixedly connected with sealing layer (85) of overlap joint dish (83).

2. The plug valve with resilient self-compensating seal of claim 1, wherein: one end of the return spring (84) is fixedly connected with the containing outer rod (81), and the other end of the return spring is fixedly connected with the lapping plate (83).

3. The plug valve with resilient self-compensating seal of claim 2, wherein: the diameter of the overlapping disc (83) is larger than that of the through flow opening (9).

4. The plug valve with resilient self-compensating seal of claim 1, wherein: the upper end of the valve body (1) is provided with a control panel (4), the lower end of the control panel (4) is provided with a connecting piece (5), and the lower end of the connecting piece (5) is provided with a mounting disc (6).

5. The plug valve with resilient self-compensating seal of claim 4, wherein: the lower extreme fixedly connected with threaded rod (7) of control panel (4), threaded rod (7) run through connecting piece (5) and mounting disc (6), and one end with accomodate outer pole (81) fixed connection.

6. The plug valve with resilient self-compensating seal of claim 1, wherein: the sealing layer (85) is a member made of rubber materials, the sealing layer is hemispherical, and the center of the sealing layer (85) is of a hollow structure.

7. The plug valve with resilient self-compensating seal of claim 6, wherein: the diameter of the sealing layer (85) is larger than that of the through flow opening (9).