CN217056406U

CN217056406U - High-precision adjusting ball valve easy to install

Info

Publication number: CN217056406U
Application number: CN202123424868.9U
Authority: CN
Inventors: 周炳
Original assignee: Zhejiang Yuanyao Valve Industrial Co ltd
Current assignee: Zhejiang Yuanyao Valve Industrial Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-26
Anticipated expiration: 2031-12-28

Abstract

An easily-installed high-precision adjusting ball valve belongs to the technical field of ball valves; through setting up connecting pipe and right connecting thread head, utilize connecting thread sealing connection on the connecting pipe in advance on the pipeline, the ball valve carries out sealing connection through having connecting thread head and pipeline, the ball valve cooperates with the guide post on the connecting pipe through the guiding hole that sets up on left threaded connection head terminal surface and is connected, there is higher precision when guaranteeing the ball valve installation, with gland nut threaded connection on left threaded connection head and screw, the left end face of connecting pipe realizes laminating each other with left threaded connection head's right-hand member face, it seals to utilize ring type seal, it is comparatively convenient in the aspect of the installation, utilize gland nut and threaded cooperation, can realize quick installation, utilize the cooperation of guiding hole and guide post, the effectual assembly precision that has increased.

Description

High-precision adjusting ball valve easy to install

Technical Field

The utility model belongs to the technical field of the ball valve, specifically relate to an easily install high accurate ball valve of adjusting.

Background

The ball valve is also called as a stop valve, an opening and closing part is driven by a valve rod, the valve is in rotary motion around the axis of the ball valve, the valve can also be used for regulating and controlling fluid, the production process and the product structure are continuously improved along with the rapid development of the science and technology of the ball valve, the valve is rapidly developed into a main valve class within short 40 years, the use of the ball valve is continuously increased year by year in developed countries of the western industry, and in China, the ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy.

Disclosure of Invention

The utility model discloses solve the technical problem that above-mentioned prior art exists, provide a high accurate regulation ball valve of easy installation.

The above technical problem of the present invention can be solved by the following technical solutions: an easily-installed high-precision adjusting ball valve comprises a valve body, wherein the left end of the valve body is provided with an installation cavity, the right end of the valve body is provided with a right threaded connector which is communicated with the installation cavity, the valve body corresponding to the upper part of the installation cavity is provided with an installation hole, the right end of the installation cavity is provided with a right sealing ring installation groove, a right sealing ring is embedded in the right sealing ring mounting groove, a valve core is arranged in the mounting cavity, the outer ring surface of the valve core is attached to the right sealing ring, a flow passage is arranged in the middle of the valve core, the flow passage penetrates through the valve core from left to right, a slot is arranged at the top of the valve core, a valve rod is arranged in the mounting hole, the lower end of the valve rod is inserted into the slot of the valve core, a plurality of packing pads are sleeved on the valve rod in the mounting hole, the packing pressing sleeve is sleeved on the valve rod on the upper side of the packing pad and is in threaded connection with the mounting hole.

Preferably, a valve cover group is arranged on the left side of the valve body, the valve cover group comprises a valve cover, a connecting pipe and a compression nut, the valve cover is tightly connected with the valve body through a bolt, a left threaded connector is arranged at the left end of the valve cover, a plurality of guide holes are arranged on the end surface of the left threaded connector along the axis ring array of the left threaded connector, a ring-shaped sealing ring is arranged on the end surface of the inner side of each guide hole and embedded on the end surface of the left threaded connector, the left threaded connector is communicated with the installation cavity, a left sealing ring installation groove is arranged at the right end of the valve cover, a left sealing ring is arranged in the left sealing ring installation groove, the connecting pipe is arranged at the left end of the valve cover and is of a tubular structure, a guide post matched with the guide holes is arranged on the right end surface of the connecting pipe, and a connecting thread is arranged on the outer ring surface of the left end of the connecting pipe, the compression nut is sleeved on the connecting pipe and is in threaded connection with the compression nut.

Preferably, the top of the valve rod is provided with a handle, the inner end of the handle is connected with the top of the valve rod in an inserting mode, two side faces of the outer end of the handle are respectively provided with a limiting block, the outer end of the handle is provided with a stress application group, the stress application group comprises a rotating shaft, the rotating shaft is fixedly connected with the handle, the upper end and the lower end of the rotating shaft are respectively provided with a rotating arm, and the inner ends of the two rotating arms are rotatably connected with the rotating shaft.

Preferably, the upper side of the rotating arm is provided with an upper stop block matched with the limiting block at the front side of the handle, and the lower side of the rotating arm is provided with a lower stop block matched with the limiting block at the rear side of the handle.

The utility model discloses beneficial effect who has: through setting up connecting pipe and right connecting thread head, utilize connecting thread sealing connection on the connecting pipe in advance on the pipeline, the ball valve carries out sealing connection through having connecting thread head and pipeline, the ball valve cooperates with the guide post on the connecting pipe through the guiding hole that sets up on left threaded connection head terminal surface and is connected, there is higher precision when guaranteeing the ball valve installation, with gland nut threaded connection on left threaded connection head and screw, the left end face of connecting pipe realizes laminating each other with left threaded connection head's right-hand member face, it seals to utilize ring type seal, it is comparatively convenient in the aspect of the installation, utilize gland nut and threaded cooperation, can realize quick installation, utilize the cooperation of guiding hole and guide post, the effectual assembly precision that has increased.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a left-side view schematic diagram of the valve body of the present invention;

fig. 3 is a right-view explosion structure diagram of the valve body of the present invention;

FIG. 4 is a schematic structural diagram of the force application unit of the present invention;

fig. 5 is a left side view of the cap assembly of the present invention in an exploded configuration;

fig. 6 is a schematic diagram of a right-side view explosion structure of the valve cover assembly of the present invention.

In the figure: 1. a valve body; 2. a mounting cavity; 3. a right threaded connector; 4. mounting holes; 5. a right seal ring mounting groove; 6. a right seal ring; 7. a valve core; 8. a flow channel; 9. inserting slots; 10. a valve stem; 11. a filler pad; 12. a packing compression sleeve; 13. a valve cover; 14. a left threaded connector; 15. a left sealing ring mounting groove; 16. a left seal ring; 17. a handle; 18. a limiting block; 19. A rotating shaft; 20. a rotating arm; 21. an upper stop block; 22. a lower stop block; 23. a connecting pipe; 24. a compression nut; 25. a guide hole; 26. an annular seal ring; 27. a guide post; 28. and connecting threads.

Detailed Description

The technical solution of the present invention is further specifically described below by way of embodiments and with reference to the accompanying drawings.

The embodiment is as follows: an easily-installed high-precision adjusting ball valve is shown in figures 1-6 and comprises a valve body 1, wherein an installation cavity 2 is arranged at the left end of the valve body 1, a right threaded connector 3 is arranged at the right end of the valve body 1, the right threaded connector 3 is communicated with the installation cavity 2, an installation hole 4 is formed in the valve body 1 corresponding to the upper portion of the installation cavity 2, a right sealing ring installation groove 5 is formed in the right end of the installation cavity 2, a right sealing ring 6 is embedded in the right sealing ring installation groove 5, a valve core 7 is arranged in the installation cavity 2, the outer ring surface of the valve core 7 is attached to the right sealing ring 6, a flow channel 8 is formed in the middle of the valve core 7, the flow channel 8 penetrates through the valve core 7 from left to right, a slot 9 is formed in the top of the valve core 7, a valve rod 10 is arranged in the installation hole 4, the lower end of the valve rod 10 is inserted into the slot 9 of the valve core 7, a plurality of packing pads 11 are sleeved on the valve rod 10 in the installation hole 4, and the valve rod 10 on the upper side of the packing pad 11 is sleeved with a packing pressing sleeve 12, and the packing pressing sleeve 12 is in threaded connection with the mounting hole 4.

The left side of the valve body 1 is provided with a valve cover group, the valve cover group comprises a valve cover 13, a connecting pipe 23 and a compression nut 24, the valve cover 13 is tightly connected with the valve body 1 through a bolt, the left end of the valve cover 13 is provided with a left threaded connector 14, the end face of the left threaded connector 14 is provided with a plurality of guide holes 25 along the axis ring array of the left threaded connector 14, the inner side end faces of the guide holes 25 are provided with ring-shaped sealing rings 26, the ring-shaped sealing rings 26 are embedded on the end face of the left threaded connector 14, the left threaded connector 14 is communicated with the installation cavity 2, the right end of the valve cover 13 is provided with a left sealing ring installation groove 15, a left sealing ring 16 is arranged in the left sealing ring installation groove 15, the connecting pipe 23 is arranged at the left end of the valve cover 13, the connecting pipe 23 is of a tubular structure, the right end face of the connecting pipe 23 is provided with a guide column 27 matched with the guide holes 25, the outer ring surface of the left end of the connecting pipe 23 is provided with a connecting thread 28, and the gland nut 24 is sleeved on the connecting pipe 23 and is in threaded connection with the gland nut 24.

The top of the valve rod 10 is provided with a handle 17, the inner end of the handle 17 is connected with the top of the valve rod 10 in an inserted manner, two side surfaces of the outer end of the handle 17 are respectively provided with a limiting block 18, the outer end of the handle 17 is provided with a force application group, the force application group comprises a rotating shaft 19, the rotating shaft 19 is fixedly connected with the handle 17, the upper end and the lower end of the rotating shaft 19 are respectively provided with a rotating arm 20, and the inner ends of the two rotating arms 20 are rotatably connected with the rotating shaft 19; an upper stop block 21 matched with the limiting block 18 on the front side of the handle 17 is arranged on the rotating arm 20 on the upper side, and a lower stop block 22 matched with the limiting block 18 on the rear side of the handle 17 is arranged on the rotating arm 20 on the lower side.

The principle of the utility model is as follows: when the ball valve needs to be installed between two pipeline parts, the ball valve is firstly connected with one pipeline through the right threaded connector 3, the compression nut 24 is screwed out of the ball valve, the connecting pipe 23 is taken down, the compression nut 24 is sleeved on the other pipeline in advance, the connecting pipe 23 is independently connected to the other pipeline, when the connecting pipe 23 is installed, the guide column 27 on the connecting pipe 23 is aligned with the guide hole 25 on the valve body 1, after the connecting pipe 23 is installed, the connecting pipe 23 is connected with the valve seat, the guide column 27 is inserted into the guide hole 25, the connecting pipe 23 is connected with the valve seat, the compression nut 24 is screwed on the connecting thread 28, the connecting pipe 23 is compressed with the valve seat, and the joint of the connecting pipe 23 and the valve seat is sealed by the annular sealing ring 26 to complete the installation of the ball valve.

When the ball valve is opened, the ball valve is rusted and broken immovably, the rotating arm 20 on the upper side is screwed out, the upper stop block 21 on the upper rotating arm 20 is abutted to the stop block 18 on the front side of the handle 17, the rotating arm 20 on the upper side is held by hand to drive the handle 17 to break the ball valve, so that the ball valve can be closed, when the ball valve is closed, the rotating arm 20 on the lower side is screwed out, the lower stop block 22 on the lower rotating arm 20 is abutted to the stop block 18 on the rear side of the handle 17, the rotating arm 20 on the lower side is held by hand to drive the handle 17 to break the ball valve, so that the opening of the ball valve can be realized, when a practical stress application group cannot break the ball valve, the packing pressing sleeve 12 is screwed out of the valve body 1 by using a wrench, the packing pad 11 is loosened to extrude the valve rod 10, the valve rod 10 is loosened, and the ball valve is convenient to rotate under the condition that the ball valve is not damaged.

Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. Any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. The utility model provides a high accurate regulation ball valve of easy installation, includes valve body (1), its characterized in that: the left end of the valve body (1) is provided with an installation cavity (2), the right end of the valve body (1) is provided with a right threaded connector (3), the right threaded connector (3) is communicated with the installation cavity (2), an installation hole (4) is formed in the valve body (1) corresponding to the upper side of the installation cavity (2), the right end of the installation cavity (2) is provided with a right sealing ring installation groove (5), a right sealing ring (6) is embedded in the right sealing ring installation groove (5), a valve core (7) is arranged in the installation cavity (2), the outer ring surface of the valve core (7) is attached to the right sealing ring (6), a flow channel (8) is formed in the middle position of the valve core (7), the flow channel (8) penetrates through the valve core (7) from left to right, the top of the valve core (7) is provided with a slot (9), a valve rod (10) is arranged in the installation hole (4), the lower end of the valve rod (10) is inserted into the slot (9) of the valve core (7), the packing press is characterized in that a plurality of packing pads (11) are sleeved on the valve rod (10) in the mounting hole (4), a packing press sleeve (12) is sleeved on the valve rod (10) on the upper side of each packing pad (11), and the packing press sleeve (12) is in threaded connection with the mounting hole (4).

2. The easy-to-install high-precision adjusting ball valve according to claim 1, characterized in that: the left side of valve body (1) is equipped with valve gap group, valve gap group includes valve gap (13), connecting pipe (23) and gland nut (24), valve gap (13) carry out fastening connection through bolt and valve body (1), the left end of valve gap (13) is equipped with left threaded connection head (14), there are a plurality of guiding holes (25) along the axis annular array of left threaded connection head (14) on the terminal surface of left threaded connection head (14), it is a plurality of be equipped with ring packing (26) on the terminal surface of guiding hole (25) inboard, ring packing (26) inlay on the terminal surface of left threaded connection head (14), left threaded connection head (14) and installation cavity (2) intercommunication, the right-hand member of valve gap (13) is equipped with one left sealing washer mounting groove (15), be equipped with left sealing washer (16) in left sealing washer mounting groove (15), the left end of valve gap (13) is located in connecting pipe (23), the connecting pipe (23) is of a tubular structure, a guide post (27) matched with the guide hole (25) is arranged on the right end face of the connecting pipe (23), connecting threads (28) are arranged on the outer ring face of the left end of the connecting pipe (23), and the pressing nut (24) is sleeved on the connecting pipe (23) and is in threaded connection with the pressing nut (24).

3. The easy-to-install high-precision adjusting ball valve according to claim 2, characterized in that: the top of valve rod (10) is equipped with handle (17), the inner of handle (17) and the top plug-in connection of valve rod (10), respectively be equipped with one stopper (18) on two sides of handle (17) outer end, the outer end of handle (17) is equipped with thrust augmentation group, thrust augmentation group includes a pivot (19), pivot (19) and handle (17) fixed connection, the upper and lower both ends of pivot (19) respectively are equipped with a swinging boom (20), two the inner of swinging boom (20) all rotates with pivot (19) and is connected.

4. The easy-to-install high-precision adjusting ball valve according to claim 3, characterized in that: the upper side of the rotating arm (20) is provided with an upper stop block (21) matched with the limiting block (18) at the front side of the handle (17), and the lower side of the rotating arm (20) is provided with a lower stop block (22) matched with the limiting block (18) at the rear side of the handle (17).