CN216242325U

CN216242325U - Circulation cut-off device

Info

Publication number: CN216242325U
Application number: CN202122196232.7U
Authority: CN
Inventors: 穆洪波
Original assignee: Daqing Yiyuan Petroleum Science And Technology Development Co ltd
Current assignee: Daqing Yiyuan Petroleum Science And Technology Development Co ltd
Priority date: 2021-09-12
Filing date: 2021-09-12
Publication date: 2022-04-08
Anticipated expiration: 2031-09-12

Abstract

The utility model discloses a circulation cut-off device, which comprises a cylinder body, wherein a liquid inlet pipe and a liquid outlet pipe are respectively arranged on the left side and the right side of the cylinder body, the adjacent ends of the liquid inlet pipe and the liquid outlet pipe upwards penetrate through the bottom of the cylinder body and extend to the inner side of the cylinder body, a sealing cover for sealing the cylinder body is arranged at the upper end of the cylinder body, a valve core for simultaneously sealing the upper end ports of the adjacent ends of the liquid inlet pipe and the liquid outlet pipe is arranged on the inner side of the cylinder body, the cylinder body is used for communicating the liquid inlet pipe and the liquid outlet pipe to realize the circulation of oil, the arranged valve core is used for simultaneously sealing the end ports of the liquid inlet pipe and the liquid outlet pipe to realize the interception of liquid, and the better sealing effect is realized by simultaneously sealing the liquid inlet and the liquid outlet, so that the sealing performance in long-term use can be effectively ensured.

Description

Circulation cut-off device

Technical Field

The utility model relates to the technical field of cut-off devices, in particular to a circulation cut-off device.

Background

In oil exploitation, various oil pipelines need to be subjected to on-off control during pipeline circulation through a cut-off device, so that normal conveying control of oil is guaranteed, and therefore the cut-off device is widely applied to oil exploitation pipelines.

The applicant of the utility model finds that the existing cut-off device is easy to have the problem of poor sealing property of the valve core after being used for a long time, and cannot ensure the sealing closure of a pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circular flow cut-off device, aiming to solve the problem that the sealing performance of a valve core of the existing cut-off device is poor after long-time use.

The utility model is realized by the following steps:

the utility model provides a circulation ends ware, which comprises a cylindrical shel, the left and right sides of barrel is provided with feed liquor pipe and drain pipe respectively, the inboard that the bottom that feed liquor pipe and drain pipe adjacent one end all upwards passed the barrel extends to the barrel, the upper end of barrel is provided with carries out sealed closing cap to it, and the inboard of barrel is provided with the case that carries out the shutoff simultaneously to the last port of the adjacent one end of feed liquor pipe and drain pipe, carry out the circulation that feeds through realization fluid to feed liquor pipe and drain pipe through the barrel, and carry out the shutoff to the port of feed liquor pipe and drain pipe simultaneously through the case that sets up and realize damming to liquid, through having better shutoff effect to the shutoff when inlet and liquid outlet, thereby can effectually guarantee the leakproofness in the long-term use.

Furthermore, the valve core comprises a screw rod which penetrates through the sealing cover in a screwing mode, a rotating handle is fixedly arranged at the upper end of the screw rod, a piston is fixedly connected to the lower end of the screw rod in a rotating mode, a rubber pad is fixedly arranged at the lower end of the piston, a T-shaped fixing column fixedly connected with the rubber pad is arranged on the lower surface of the piston, and the screw rod is driven to rotate by rotating the rotating handle so as to drive the piston to move up and down, so that the ports of the liquid inlet pipe and the liquid outlet pipe can be opened and sealed.

Furthermore, the lower end of the screw rod is provided with a circular hanging table, the circular hanging table is clamped on the piston, and the screw rod is fixedly connected with the piston in a rotatable mode through the arranged circular hanging table.

Furthermore, a sealing ring is clamped at the upper port of the barrel, a plurality of clamping blocks which are uniformly arranged are arranged at the edge of the upper end face of the barrel, locking screws which are tightly propped against the sealing cover are screwed on the clamping blocks, sealing between the barrel and the sealing cover is realized through the arranged sealing ring, and fixed connection between the barrel and the sealing cover is realized through the arranged clamping blocks and the locking screws.

Furthermore, the edge of the outer side of the sealing cover is provided with a clamping groove matched with the clamping block, a locking hole matched with the locking screw is formed in the bottom surface of the inner side of the clamping groove, a threaded hole matched with the screw rod is formed in the center of the sealing cover, the sealing cover is connected with the clamping block through the clamping groove, and the sealing cover is in locking fit with the locking screw through the arranged locking hole.

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

according to the utility model, the liquid inlet pipe and the liquid outlet pipe are communicated through the cylinder body to realize the circulation of oil, the ports of the liquid inlet pipe and the liquid outlet pipe are simultaneously plugged through the arranged valve core to realize the interception of liquid, and the liquid inlet and the liquid outlet are simultaneously plugged to achieve a better plugging effect, so that the sealing property in long-term use can be effectively ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a perspective view of a circular flow restrictor of the present invention;

FIG. 2 is a schematic view of the barrel of a circular flow cut-off device of the present invention;

FIG. 3 is a schematic view of a valve cartridge of a circular flow cut-off device of the present invention;

FIG. 4 is a valve core exploded view of a flow cut-off in accordance with the present invention;

fig. 5 is a schematic view of a closure of a circular flow cut-off device according to the present invention.

In the figure: 1. a liquid inlet pipe; 2. a barrel; 21. a clamping block; 22. a seal ring; 23. locking screws; 3. sealing the cover; 31. a card slot; 32. a threaded hole; 33. a lock hole; 4. a valve core; 41. a handle is rotated; 42. a screw rod; 43. a piston; 44. a rubber pad; 45. a circular hanging table; 46. fixing a column; 5. a liquid outlet pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

Embodiment 1, specifically refer to fig. 1, fig. 2, fig. 3, and fig. 4, a circulation stop includes a cylinder 2, a liquid inlet pipe 1 and a liquid outlet pipe 5 are respectively disposed on the left and right sides of the cylinder 2, one end of the cylinder adjacent to the liquid inlet pipe 1 and the liquid outlet pipe 5 extends upwards through the bottom of the cylinder 2 to the inside of the cylinder 2, a sealing cover 3 for sealing the cylinder 2 is disposed at the upper end of the cylinder 2, a valve core 4 for simultaneously sealing the upper ports of the adjacent ends of the liquid inlet pipe 1 and the liquid outlet pipe 5 is disposed on the inside of the cylinder 2, the valve core 4 includes a screw rod 42 screwed through the sealing cover 3, a rotating handle 41 is fixedly disposed at the upper end of the screw rod 42, a piston 43 is rotatably and fixedly connected to the lower end of the screw rod 42, a circular hanging platform 45 is disposed at the lower end of the screw rod 42, the circular hanging platform 45 is clamped on the piston 43, the screw rod 42 is rotatably and fixedly connected to the piston 43 through the circular hanging platform 45, the lower extreme of piston 43 is fixed and is provided with rubber pad 44, realizes the better sealed shutoff to feed liquor pipe 1 and drain pipe 5 port through the rubber pad 44 that sets up, and the lower surface of piston 43 is provided with the fixed column 46 of the T type with rubber pad 44 fixed connection, realizes the fixed mounting of rubber pad 44 at piston 43 through the fixed column 46 of T type.

Specifically, referring to fig. 2, a sealing ring 22 is clamped at the upper port of the cylinder 2, a plurality of clamping blocks 21 are uniformly arranged at the edge of the upper end face of the cylinder 2, locking screws 23 tightly supported on the sealing cover 3 are screwed on the clamping blocks 21, the cylinder 2 and the sealing cover 3 are sealed by the arranged sealing ring 22, and the sealing cover 3 is fixedly connected by the arranged clamping blocks 21 and the locking screws 23.

Specifically, referring to fig. 5, a locking groove 31 matched with the locking block 21 is formed in the outer edge of the sealing cover 3, a locking hole 33 matched with the locking screw 23 is formed in the bottom surface of the inner side of the locking groove 31, a threaded hole 32 matched with the screw rod 42 is formed in the center of the sealing cover 3, the sealing cover 3 is connected with the locking block 21 through the locking groove 31, and the locking matching with the locking screw 23 is achieved through the locking hole 33.

The working principle is that the screw rod 42 is driven to rotate by rotating the rotating handle 41 so as to drive the piston 43 to move upwards to open the ports of the liquid inlet pipe 1 and the liquid outlet pipe 5 to finish oil liquid conveying, when a pipeline needs to be stopped, the screw rod 42 is driven to rotate reversely by rotating the rotating handle 41 again so as to drive the piston 43 to move downwards, and at the moment, the rubber pad 44 at the lower end of the piston 43 blocks the ports of the liquid inlet pipe 1 and the liquid outlet pipe 5 to finish the stopping of the pipeline.

The device obtained by the design can basically meet the requirement that the sealing performance of the valve core can be ensured after the existing cut-off device is used for a long time, but the designer further improves the device according to the aim of further improving the function.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A circulation cut-off device comprises a cylinder body (2), and is characterized in that: the left and right sides of barrel (2) is provided with feed liquor pipe (1) and drain pipe (5) respectively, the inboard that the bottom that barrel (2) were all upwards passed to feed liquor pipe (1) and drain pipe (5) adjacent one end extends to barrel (2), the upper end of barrel (2) is provided with carries out sealed closing cap (3) to it, and the inboard of barrel (2) is provided with carries out case (4) of shutoff simultaneously to the last port of the adjacent one end of feed liquor pipe (1) and drain pipe (5).

2. The circulation stop device according to claim 1, wherein the valve core (4) comprises a screw rod (42) screwed through the sealing cover (3), a rotating handle (41) is fixedly arranged at the upper end of the screw rod (42), a piston (43) is fixedly connected to the lower end of the screw rod (42) in a rotatable manner, a rubber pad (44) is fixedly arranged at the lower end of the piston (43), and a T-shaped fixing column (46) fixedly connected with the rubber pad (44) is arranged on the lower surface of the piston (43).

3. The circulation stop according to claim 2, characterized in that the lower end of the screw rod (42) is provided with a circular hanging table (45), and the circular hanging table (45) is clamped on the piston (43).

4. The circulation stop device according to claim 1, wherein the upper port of the cylinder (2) is clamped with a sealing ring (22), the edge of the upper end surface of the cylinder (2) is provided with a plurality of clamping blocks (21) which are uniformly arranged, and the clamping blocks (21) are screwed with locking screws (23) which are tightly pressed on the sealing cover (3).

5. The circulation stop according to claim 4, wherein the outer edge of the sealing cover (3) is provided with a clamping groove (31) matched with the clamping block (21), the bottom surface of the inner side of the clamping groove (31) is provided with a locking hole (33) matched with the locking screw (23), and the center of the sealing cover (3) is provided with a threaded hole (32) matched with the screw rod (42).