CN220706583U - Improved structure of dome valve - Google Patents

Abstract

The utility model provides an improved structure of a dome valve, which comprises a dome valve body, wherein a valve switch controller is arranged on a right side bolt of the dome valve body; the impact eliminator comprises a hollow pipeline, wherein the lower part of the hollow pipeline is integrally provided with a mounting flange, and the left side and the right side of the interior of the hollow pipeline are respectively welded with a spring storage seat. The beneficial effects of the utility model are as follows: through the setting of cavity pipeline, mounting flange, spring receiver and removal buffer block, be favorable to offset the pressure of pipeline when the valve is closed, eliminate the water hammer effect.

Description

Improved structure of dome valve

Technical Field

The utility model belongs to the technical field of dome valves, and particularly relates to an improved structure of a dome valve.

Background

The dome valve can cut off the flowing material flow or the static material column entering the pressure tank, and then is closed to realize sealing, so that the filling rate of the pressure tank is guaranteed to be 100%, the conventional dome valve does not need to rely on a material level meter of a sending tank, the middle part of the conventional dome valve comprises an elastic piece, a containing space and a limiting ring, and the pipeline is in an instant from opening to closing, and the pressure inside the pipeline can generate a water hammer effect at a connecting position to impact the pipeline and the valve, so that the service life is influenced.

Disclosure of Invention

According to the improved structure of the dome valve, the buffer is arranged at the end part of the dome valve, and pressure can be transmitted to the spring when the valve is closed, so that the water hammer effect is eliminated.

The technical scheme is as follows: the utility model provides an improvement structure of dome valve, includes the dome valve body, the right side bolt of dome valve body install the valve switch controller, its characterized in that, the upper portion of dome valve body install sealing connector, sealing connector's upper and lower two parts are provided with sealing rubber ring respectively, sealing connector's upper portion installs the impact eliminator.

Preferably, the impact eliminator comprises a hollow pipeline, a mounting flange plate is integrally arranged at the lower part of the hollow pipeline, spring storage seats are welded at the left side and the right side of the interior of the hollow pipeline respectively, and movable buffer blocks are inserted into the inner sides of the spring storage seats.

Preferably, the sealing connector comprises a cylindrical pipeline, a connecting flange is welded on the outer side of the cylindrical pipeline, rubber bolt covers are clamped at four corners of the upper portion of the inner side of the cylindrical pipeline, and groove annular grooves are respectively formed in the upper portion of the cylindrical pipeline and the lower portion of the cylindrical pipeline.

Preferably, a compression spring is fixed on the inner side of the spring receiving seat through bolts, and the other end of the compression spring is connected with the side face of the movable buffer block through bolts.

Preferably, the front end and the rear end of the movable buffer block are respectively welded with a sliding block, the front end and the rear end of the inner side of the spring storage seat are respectively provided with a sliding groove, and meanwhile the sliding blocks are inserted into the inner side of the sliding grooves.

Preferably, the cylindrical pipeline is connected to the upper part of the dome valve body through bolts, and a locking bolt is inserted into the inner side of the cylindrical pipeline.

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

according to the utility model, the arrangement of the hollow pipeline, the mounting flange, the spring containing seat and the movable buffer block is beneficial to counteracting the pressure of the pipeline when the valve is closed, and eliminating the water hammer effect.

In the utility model, the cylindrical pipeline, the connecting flange plate, the rubber bolt cover and the groove annular groove are arranged, so that the shock absorber and the dome valve body can be connected and disassembled, and the dome valve body can be used independently.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic structural view of the impact eliminator of the present utility model;

fig. 3 is a schematic structural view of the sealing connector of the present utility model.

In the figure:

1. a dome valve body; 2. a valve switch controller; 3. sealing the connector; 31. a cylindrical pipe; 32. a connecting flange plate; 33. a rubber bolt cover; 34. a groove annular groove; 4. a sealing rubber ring; 5. an impact eliminator; 51. a hollow pipe; 52. installing a flange plate; 53. a spring housing; 54. the buffer block is moved.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

examples:

as shown in fig. 1, an improved structure of a dome valve comprises a dome valve body 1, wherein a valve switch controller 2 is mounted on a right side bolt of the dome valve body 1, and the improved structure is characterized in that a sealing connector 3 is mounted on the upper portion of the dome valve body 1, sealing rubber rings 4 are respectively arranged on the upper portion and the lower portion of the sealing connector 3, and an impact eliminator 5 is mounted on the upper portion of the sealing connector 3.

In the above embodiment, specifically, the rubber bolt cover 33 covers the upper portion of the locking bolt on the inner side of the cylindrical pipe 31, and the sealing rubber ring 4 is located on the inner side of the groove annular groove 34.

In the above embodiment, specifically, two sealing rubber rings 4 are provided, and the sealing rubber rings 4 are provided between the cylindrical pipe 31 and the hollow pipe 51 and between the cylindrical pipe 31 and the dome valve body 1, respectively.

In the above embodiment, specifically, the mounting flange 52 is bolted to the upper portion of the connecting flange 32, and the inner side of the cylindrical pipe 31 is respectively communicated with the inner side of the hollow pipe 51 and the inner side of the dome valve body 1.

Principle of operation

The working principle of the utility model is as follows: the staff opens the case of dome valve body 1 inboard through valve switch controller 2, and the material passes the inboard of dome valve body 1 and flows downwards, and the pressure of cavity pipeline 51 inboard can promote the removal buffer block 54 to the inboard of spring housing seat 53 when the case is closed, and the compression spring of cooperation spring housing seat 53 inboard plays the cushioning effect, and sealing rubber ring 4 seals the junction of cylinder pipeline 31 and dome valve body 1 and the junction of cylinder pipeline 31 and cavity pipeline 51 respectively, dismantles the cylinder pipeline 31 after, can make dome valve body 1 exclusive use.

By using the technical scheme of the utility model or under the inspired by the technical scheme of the utility model, a similar technical scheme is designed by a person skilled in the art, so that the technical effects are achieved, and the technical effects fall into the protection scope of the utility model.

Claims (6)

1. The utility model provides an improvement structure of dome valve, its characterized in that, this improvement structure of dome valve, including dome valve body (1), right side bolt installation valve switch controller (2) of dome valve body (1), the upper portion of dome valve body (1) install sealing connector (3), sealing connector (3) upper and lower two-part are provided with sealing rubber ring (4) respectively, impact eliminator (5) are installed on sealing connector (3) upper portion.

2. The improved structure of the dome valve according to claim 1, wherein the impact eliminator (5) comprises a hollow pipeline (51), a mounting flange plate (52) is integrally arranged at the lower part of the hollow pipeline (51), spring receiving seats (53) are welded at the left side and the right side of the interior of the hollow pipeline (51), and movable buffer blocks (54) are inserted into the inner sides of the spring receiving seats (53).

3. The improved structure of the dome valve according to claim 1, wherein the sealing connector (3) comprises a cylindrical pipe (31), a connecting flange (32) is welded on the outer side of the cylindrical pipe (31), a rubber bolt cover (33) is clamped at four corners of the inner side upper part of the cylindrical pipe (31), and a groove annular groove (34) is respectively formed in the upper part of the cylindrical pipe (31) and the lower part of the cylindrical pipe (31).

4. The improved structure of the dome valve according to claim 2, wherein the compression spring is fixed to the inner side of the spring receiving seat (53) by bolts, and the other end of the compression spring is connected to the side of the movable buffer block (54) by bolts.

5. The improved structure of the dome valve according to claim 2, wherein the front and rear ends of the movable buffer block (54) are respectively welded with a sliding block, the front and rear ends of the inner side of the spring receiving seat (53) are respectively provided with a sliding groove, and the sliding blocks are inserted into the inner side of the sliding grooves.

6. An improved structure of a dome valve as claimed in claim 3, characterized in that the cylindrical pipe (31) is bolted to the upper part of the dome valve body (1), and the inner side of the cylindrical pipe (31) is inserted with a locking bolt.