CN219866446U

CN219866446U - Cut-off throttling check valve

Info

Publication number: CN219866446U
Application number: CN202321312924.6U
Authority: CN
Inventors: 祁永; 汪星星; 田玉鹏
Original assignee: Suqian Keen Machinery Co ltd
Current assignee: Suqian Keen Machinery Co ltd
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-10-20
Anticipated expiration: 2033-05-29

Abstract

The utility model relates to the technical field of check valves and discloses a stop throttle check valve which comprises a flow pipe, wherein a rotating hole is formed in the side face of the flow pipe, a rotating cavity is formed in the rotating hole and corresponds to the rotating hole, a rotating handle is movably arranged in the rotating hole, a ball body is fixedly connected to the lower end of the rotating handle and corresponds to the rotating cavity, a rotating handle is fixedly connected to the upper side of the rotating handle, and a communicating threaded hole is formed in the side face of the flow pipe. According to the utility model, the rotating handle is rotated, the ball body is driven by the rotating handle to rotate so as to enable the flow to be closed, the rotating threaded pipe is rotated while the ball body is closed, the rotating threaded pipe moves downwards, the rotating threaded pipe drives the air inlet to move to the inside of the buffer cavity, then the blocking block is moved out, at the moment, different air flows with different internal and external pressures flow into the inside of the flowing pipe through the air inlet, the buffer cavity and the air outlet through the upper end of the rotating threaded pipe, so that residual liquid in the flowing pipe flows out, and waste is avoided.

Description

Cut-off throttling check valve

Technical Field

The utility model relates to the technical field of check valves, in particular to a stop and throttle check valve.

Background

The check valve is used in pipeline system and is one kind of automatic valve with automatic opening and closing caused by the flow of medium. In the prior art, in order to realize a valve with multiple purposes, the check valve is designed to have the functions of a stop valve and a throttle valve at the same time, namely, the stop throttle check valve, but the existing stop throttle check valve has the defects that: along with the condition that liquid remains in the pipeline of the discharge end closed by the valve to cause waste, a stop throttle check valve is provided.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art and provides a stop and throttle check valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the stop throttle check valve comprises a flow pipe, a rotating hole is formed in the side face of the flow pipe, a rotating cavity is formed in the rotating hole, the rotating cavity is formed in the rotating hole, a rotating handle is movably mounted in the rotating hole, a ball body is fixedly connected to the lower end of the rotating handle, a rotating handle is fixedly connected to the upper side of the rotating handle, a communicating threaded hole is formed in the side face of the flow pipe, a buffer cavity is formed in the inner side of the flow pipe, the communicating threaded hole is internally connected with a rotating threaded pipe, a mounting block is fixedly connected to the inner side of the rotating threaded pipe, an air inlet hole and an air outlet hole are formed in the side face of the rotating threaded pipe, and a blocking block is connected to the inner threads of the rotating threaded pipe.

Preferably, the outer side of the rotary threaded pipe is fixedly connected with a connecting handle.

Preferably, the side surface of the rotating handle is fixedly connected with a marking block, and the marking block is triangular.

Preferably, the air inlet holes and the air outlet holes are rectangular grooves formed in the outer side of the rotary threaded pipe at equal intervals.

Advantageous effects

The utility model provides a stop and throttle check valve. The beneficial effects are as follows:

(1) The stop throttle check valve rotates the rotating handle, the rotating handle drives the ball body to rotate to enable the flow to be closed, the rotating threaded pipe rotates while closing, the rotating threaded pipe moves downwards, the rotating threaded pipe drives the air inlet to move to the inside of the buffer cavity, then the blocking block moves out, at the moment, different air flows of inner and outer pressures flow into the inside of the flowing pipe through the air inlet, the buffer cavity and the air outlet through the upper end of the rotating threaded pipe, so that residual liquid in the flowing pipe flows out, and waste is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments can be derived from the drawings provided without the inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

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

fig. 2 is a schematic view of a partial structure of a rotary threaded pipe according to the present utility model.

Legend description:

1. a flow pipe; 2. a rotation hole; 3. a rotating chamber; 4. a sphere; 5. a rotating handle; 6. rotating the handle; 7. a buffer chamber; 8. a communicating threaded hole; 9. rotating the threaded pipe; 10. a mounting block; 11. an air inlet hole; 12. an air outlet hole; 13. blocking; 14. a connecting handle; 15. the block is identified.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: a stop throttle check valve, as shown in figures 1-2, comprises a flow pipe 1, a rotary hole 2 is arranged on the side surface of the flow pipe 1, a rotary cavity 3 is arranged in the rotary hole 2 corresponding to the rotary hole 2, a rotary handle 5 is movably arranged in the rotary hole 2, a ball 4 is fixedly connected with the lower end of the rotary handle 5 corresponding to the rotary cavity 3, a rotary handle 6 is fixedly connected with the upper side of the rotary handle 5, a communicating threaded hole 8 is arranged on the side surface of the flow pipe 1, a buffer cavity 7 is arranged in the flow pipe 1 corresponding to the communicating threaded hole 8, a rotary threaded pipe 9 is connected with internal threads of the communicating threaded hole 8, a mounting block 10 is fixedly connected in the rotary threaded pipe 9, an air inlet hole 11 and an air outlet hole 12 are respectively arranged on the upper side and the lower side of the rotary threaded pipe 9 corresponding to the mounting block 10, the inside threaded connection of screw thread pipe 9 has the sprue 13, rotate rotation handle 5, rotation handle 5 drives spheroid 4 and rotates and make the flow closed, rotate screw thread pipe 9 when closing, screw thread pipe 9 moves down, screw thread pipe 9 drives inlet port 11 and moves to the inside of cushion chamber 7, remove sprue 13 again, the inside and outside pressure difference air current flows in the inside of flow pipe 1 through inlet port 11 through the upper end of screw thread pipe 9 this moment, cushion chamber 7 and venthole 12 and makes the inside remaining liquid flow of flow pipe 1 come out, avoid extravagant, the outside fixedly connected with connection handle 14 of screw thread pipe 9, the side fixedly connected with marking piece 15 of rotation handle 6, marking piece 15 is triangle-shaped, inlet port 11 and venthole 12 are the rectangular channel of equidistance seting up in the outside of screw thread pipe 9.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stop throttle check valve, includes flow pipe (1), and rotation hole (2) have been seted up to side of flow pipe (1), and rotation chamber (3) have been seted up to the inside of rotation hole (2) corresponding to the position of rotation hole (2), and rotation handle (5) have been installed to the inside movable of rotation hole (2), and rotation handle (5) lower extreme corresponds rotation chamber (3) position fixedly connected with spheroid (4), rotation handle (5) upside fixedly connected with rotation handle (6), its characterized in that: the side of trickling pipe (1) has seted up intercommunication screw hole (8), and buffer chamber (7) have been seted up to the inside of trickling pipe (1) corresponding to the position of intercommunication screw hole (8), and the inside threaded connection of intercommunication screw hole (8) has rotation screwed pipe (9), and the inside fixedly connected with installation piece (10) of rotation screwed pipe (9), and inlet port (11) and venthole (12) have been seted up respectively to the upper and lower both sides that the side of rotation screwed pipe (9) corresponds installation piece (10), and the inside threaded connection of rotation screwed pipe (9) has putty (13).

2. A stop-throttle check valve according to claim 1, wherein: the outer side of the rotary threaded pipe (9) is fixedly connected with a connecting handle (14).

3. A stop-throttle check valve according to claim 1, wherein: the side of the rotary handle (6) is fixedly connected with a marking block (15), and the marking block (15) is triangular.

4. A stop-throttle check valve according to claim 1, wherein: the air inlet holes (11) and the air outlet holes (12) are rectangular grooves which are equidistantly formed in the outer side of the rotary threaded pipe (9).