CN211525558U

CN211525558U - Pre-closing valve

Info

Publication number: CN211525558U
Application number: CN201922435124.3U
Authority: CN
Inventors: 梁君
Original assignee: Liaoning Honglu Machinery Equipment Manufacturing Co ltd
Current assignee: Liaoning Honglu Machinery Equipment Manufacturing Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-18
Anticipated expiration: 2029-12-30

Abstract

The utility model provides a pre-closing valve relates to a machine parts technical field. The utility model discloses an including the valve body, be provided with the feed inlet in the valve body, wherein, still include first closed structure and second closed structure, first closed structure sets up the left end at the feed inlet, and the second closed structure sets up the right-hand member at the feed inlet, and first closed structure and second closed structure set up relatively. The utility model discloses be provided with the baffle of two sets of relative settings, drive through the two sets of cylinders that are located the setting of valve body upper end and carry out elevating movement, when the baffle moved horizontal position, the tip of two sets of baffles contacted each other and connected, simultaneously, the first apron that is located first baffle upper end covers the left end at the second baffle, and the second apron of second baffle lower extreme covers the right-hand member at first baffle to form covering and protection to the feed valve below.

Description

Pre-closing valve

Technical Field

The utility model relates to a machine parts technical field especially relates to a shut-off valve in advance.

Background

The existing conveying system has no pre-closing valve above the feeding valve, which can cause the abrasion of particle materials between a feeding valve cone and a sealing ring due to untight closing of the feeding valve, and thus, the system has large maintenance workload and high operation cost.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned problem, the utility model provides a shut-off valve in advance makes it be provided with the baffle of two sets of relative settings, drives through two sets of cylinders that are located the setting of valve body upper end and carries out elevating movement, when the baffle moved horizontal position, the tip of two sets of baffles contacted each other and is connected, simultaneously, the first apron that is located first baffle upper end covers the left end at the second baffle, and the second apron of second baffle lower extreme covers the right-hand member at first baffle to form the covering and the protection to below feed valve.

In order to solve the problem, the utility model provides a pre-closing valve, which comprises a valve body, be provided with the feed inlet in the valve body, wherein, still include first closed structure and second closed structure, first closed structure sets up the left end of feed inlet, the second closed structure sets up the right-hand member of feed inlet, first closed structure with the second closed structure sets up relatively.

Preferably, the first closing structure comprises a first cylinder, a first telescopic rod and a first baffle plate, the first cylinder is arranged at the upper end of the valve body, and the first cylinder is connected with the first baffle plate through the first telescopic rod.

Preferably, the second closing structure comprises a second cylinder, a second telescopic rod and a second baffle, the second cylinder is arranged at the upper end of the valve body, and the second cylinder is connected with the second baffle through the second telescopic rod.

Preferably, the left end of the valve body is provided with a first positioning pin shaft, the right end of the valve body is provided with a second positioning pin shaft, and the first positioning pin shaft and the second positioning pin shaft are arranged oppositely.

Preferably, the left end of the first baffle is hinged to the first positioning pin shaft, and the right end of the second baffle is hinged to the second positioning pin shaft.

Compared with the prior art, the utility model has the advantages of it is following:

the utility model discloses in, be provided with the baffle of two sets of relative settings, drive through the two sets of cylinders that are located the setting of valve body upper end and carry out elevating movement, when the baffle moved horizontal position, the tip of two sets of baffles contacted each other and connected, simultaneously, the first apron that is located first baffle upper end covers at the left end of second baffle, and the second apron of second baffle lower extreme covers the right-hand member at first baffle to form the coveing and the protection to the feed valve below.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples, which are not intended to limit the present invention.

As shown in fig. 1, the embodiment of the utility model includes valve body 1, is provided with feed inlet 2 in the valve body 1, still includes first closed structure and second closed structure, and first closed structure sets up the left end at feed inlet 2, and the second closed structure sets up the right-hand member at feed inlet 2, and first closed structure and second closed structure set up relatively. The first closing structure comprises a first cylinder 3, a first telescopic rod 4 and a first baffle 5, the first cylinder 3 is arranged at the upper end of the valve body 1, and the first cylinder 3 is connected with the first baffle 5 through the first telescopic rod 4. The second closing structure comprises a second cylinder 6, a second telescopic rod 7 and a second baffle 8, the second cylinder 6 is arranged at the upper end of the valve body 1, and the second cylinder 6 is connected with the second baffle 8 through the second telescopic rod 7. The left end of the valve body 1 is provided with a first positioning pin shaft 9, the right end of the valve body 1 is provided with a second positioning pin shaft 10, and the first positioning pin shaft 9 and the second positioning pin shaft 10 are arranged oppositely. The left end of the first baffle 5 is hinged with a first positioning pin shaft 9, and the right end of the second baffle 8 is hinged with a second positioning pin shaft 10. The right-hand member of first baffle 5 is provided with first apron 11, and first apron 11 sets up in the upper end of first baffle 5, and the left end of second baffle 8 is provided with second apron 12, and second apron 12 sets up the lower extreme at second baffle 8, and first apron 11 and second apron 12 set up relatively from top to bottom. In this embodiment, be provided with the baffle of two sets of relative settings, drive through the two sets of cylinders that are located the setting of valve body upper end and carry out elevating movement, when the baffle moved horizontal position, the tip of two sets of baffles contacted each other and connected, simultaneously, the first apron that is located first baffle upper end covers the left end at the second baffle, and the second apron of second baffle lower extreme covers the right-hand member at first baffle to form covering and protection to below feed valve.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The pre-closing valve comprises a valve body, wherein a feeding hole is formed in the valve body, and the pre-closing valve is characterized by further comprising a first closing structure and a second closing structure, the first closing structure is arranged at the left end of the feeding hole, the second closing structure is arranged at the right end of the feeding hole, and the first closing structure and the second closing structure are arranged oppositely.

2. The pre-close valve of claim 1, wherein the first closing structure comprises a first cylinder, a first telescoping rod, and a first flapper, the first cylinder being disposed at an upper end of the valve body, the first cylinder being connected to the first flapper by the first telescoping rod.

3. The pre-close valve of claim 2, wherein the second closing structure comprises a second cylinder, a second telescoping rod, and a second flapper, the second cylinder being disposed at an upper end of the valve body, the second cylinder being connected to the second flapper by the second telescoping rod.

4. The pre-close valve of claim 3, wherein the valve body has a first locating pin disposed at a left end thereof and a second locating pin disposed at a right end thereof, the first locating pin and the second locating pin being disposed opposite each other.

5. The pre-close valve of claim 4, wherein the left end of the first flapper is hinged to the first dowel pin and the right end of the second flapper is hinged to the second dowel pin.