CN215334771U

CN215334771U - High-pressure stop valve

Info

Publication number: CN215334771U
Application number: CN202121487040.5U
Authority: CN
Inventors: 杨全庆; 李延昭; 王彦磊; 周拓拓; 王子军; 李长江; 牛保华; 王冠军; 孙华甫; 张保良; 张海龙; 张永存; 张翠萍; 李明栓
Original assignee: Henan Gaoshan Valve Co ltd
Current assignee: Henan Gaoshan Valve Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-12-28
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a high-pressure stop valve, which comprises a valve body, wherein a valve seat is arranged in the middle inside the valve body, a valve hole is formed in the valve seat, a valve cover is further arranged at the mounting port position at the upper end of the valve body, a threaded sleeve is arranged at the middle position of the valve cover, a valve rod penetrates through the threaded sleeve, a valve core matched with the valve hole is arranged at the lower end of the valve rod, a connecting thread is arranged at the position of the valve rod, which is located at the threaded sleeve, the valve rod is in threaded connection with the threaded sleeve through the connecting thread, and at least six limiting grooves are further formed at the upper end of the valve rod; according to the utility model, through the arrangement of the pulling rod and the strip-shaped sleeve, the position of the rotating handle can be adjusted during use, when the stop valve is difficult to open, the pulling rod can be pulled, the distance between the rotating handle and the valve rod is lengthened, so that the force arm is increased, further, the stop valve can be opened more laborsavingly, and the pulling rod is retracted into the strip-shaped sleeve after use, so that the problem of large occupied space caused by a long force arm is avoided.

Description

High-pressure stop valve

Technical Field

The utility model relates to the technical field of stop valves, in particular to a high-pressure stop valve.

Background

The stop valve, also called stop valve, is one of the most widely used valves, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also for high pressure. The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of the valve rod, and the medium is prevented from flowing.

When the existing stop valve is opened, medium pressure in the valve acts on a valve core, so that great torque needs to be applied to a valve rod when the stop valve is opened, the stop valve is not easy to open and can be opened only by consuming great force, and if the force arm of a rotating handle is increased for opening convenience, the occupied space is increased, so that the high-pressure stop valve is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high pressure stop valve to solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a high-pressure stop valve comprises a valve body, wherein a valve seat is arranged in the middle of the inside of the valve body, a valve hole is formed in the valve seat, a valve cover is further arranged at the mounting port position at the upper end of the valve body, a threaded sleeve is arranged in the middle of the valve cover, a valve rod penetrates through the threaded sleeve, a valve core matched with the valve hole is arranged at the lower end of the valve rod, a connecting thread is arranged at the position, located on the threaded sleeve, of the valve rod, the valve rod is in threaded connection with the threaded sleeve through the connecting thread, and at least six limiting grooves are further formed in the upper end of the valve rod;

the equal fixedly connected with support bar of valve cap up end avris, fixedly connected with fixed disk between four support bars, the fixed disk intermediate position rotates and is connected with the stop collar, stop collar and spacing groove sliding connection, the fixed disk up end still is equipped with the fixed subassembly that is used for fixed stop collar, the valve rod upper end still is equipped with and is used for carrying out pivoted runner assembly to the valve rod.

As a further scheme of the utility model: the limiting sleeve comprises a gear, a sleeve body and a limiting bottom ring, the gear is fixedly connected to the upper end of the sleeve body, and the limiting bottom ring is fixedly connected to the lower end of the sleeve body.

As a still further scheme of the utility model: the fixing assembly comprises a rotating seat, the rotating seat is fixedly connected to one side of the upper end face of the fixed disk, a fixing tooth block is rotatably connected to the rotating seat and used for clamping and fixing the gear, and a retaining ring is fixedly connected to the upper end face of the fixing tooth block.

As a still further scheme of the utility model: the rotating assembly comprises a bar sleeve, the bar sleeve is fixedly connected to the upper end of the valve rod, a pulling rod is connected to the inside of the bar sleeve in a sliding mode, a rotating handle is installed at one end, penetrating out of the bar sleeve, of the pulling rod, a screw knob used for fixing the position of the pulling rod is further arranged on one side of the upper end face of the bar sleeve, and a rotating ring is fixedly connected to the bar sleeve.

As a still further scheme of the utility model: the rotating ring is wrapped with a non-slip mat made of rubber.

As a still further scheme of the utility model: and connecting flanges are arranged on the connecting ports at the two ends of the valve body.

As a still further scheme of the utility model: and one end of the pulling rod, which is far away from the rotating handle, is also provided with a limit stop.

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

1. according to the utility model, through the arrangement of the pulling rod and the strip-shaped sleeve, the position of the rotating handle can be adjusted during use, when the stop valve is difficult to open, the pulling rod can be pulled, the distance between the rotating handle and the valve rod is lengthened, so that the force arm is increased, further, the stop valve can be opened more laborsavingly, and the pulling rod is retracted into the strip-shaped sleeve after use, so that the problem of large occupied space caused by a long force arm is avoided.

2. The stop valve comprises a stop valve body, a stop valve rod, a stop valve body, a rotating seat, a fixed tooth block, a gear, a stop lever, a rotating handle, a rotating shaft, a gear, a retaining ring, a rotating shaft and a retaining ring.

Drawings

Fig. 1 is a schematic structural diagram of a high-pressure stop valve.

Fig. 2 is a schematic structural diagram of a valve rod in a high-pressure stop valve.

Fig. 3 is a schematic structural diagram of a rotating assembly in the high-pressure stop valve.

Fig. 4 is a partial structural schematic diagram of a high pressure stop valve.

Fig. 5 is a schematic structural view of the interior of a valve body in a high pressure stop valve.

Fig. 6 is a schematic structural diagram of a stop collar in the high-pressure stop valve.

Wherein: 1. a valve body; 2. a valve cover; 3. a supporting strip; 4. connecting threads; 5. fixing the disc; 6. a limiting sleeve; 61. a gear; 62. a sleeve body; 63. a limiting bottom ring; 7. a rotating ring; 8. a strip-shaped sleeve; 9. rotating the handle; 10. fixing the tooth block; 11. a retaining ring; 12. a threaded sleeve; 13. a limiting groove; 14. a valve stem; 15. a screw knob; 16. a pulling rod; 17. a valve core; 18. a valve seat; 19. a valve bore; 20. and (6) rotating the seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-6, in the embodiment of the utility model, a high-pressure stop valve includes a valve body 1, a valve seat 18 is arranged in the middle of the inside of the valve body 1, a valve hole 19 is formed in the valve seat 18, a valve cover 2 is further arranged at an installation opening at the upper end of the valve body 1, a threaded sleeve 12 is arranged at the middle position of the valve cover 2, a valve rod 14 is arranged in the threaded sleeve 12 in a penetrating manner, a valve core 17 matched with the valve hole 19 is arranged at the lower end of the valve rod 14, a connecting thread 4 is arranged at the position of the valve rod 14, the valve rod 14 is in threaded connection with the threaded sleeve 12 through the connecting thread 4, and at least six limiting grooves 13 are further formed at the upper end of the valve rod 14; connecting flanges are arranged on connecting ports at two ends of the valve body 1; the connection flange is arranged on the two connection ports of the valve body 1, so that the connection between the stop valve and the pipeline is more convenient, the flange is a universal part and does not need to be manufactured, the production cost can be effectively saved, the flange connection is convenient to use, can bear larger pressure, and can be well suitable for high-pressure environment.

The equal fixedly connected with support bar 3 of 2 up end avris of valve gap, fixedly connected with fixed disk 5 between four

support bars

3, 5 intermediate position of fixed disk rotate and are connected with stop collar 6, stop collar 6 and spacing groove 13 sliding connection, 5 up end of fixed disk still are equipped with the fixed subassembly that is used for fixed stop collar 6, fixed subassembly is including rotating seat 20, rotate the position of seat 20 fixed connection in 5 up end one side of fixed disk, rotate 20 internal rotations of seat and be connected with fixed tooth piece 10 for it is solid to block gear 61, fixed tooth piece 10 up end is fixedly connected with buckle 11 still.

According to the stop valve, the rotating seat 20, the fixed tooth block 10 and the retaining ring 11 are arranged, so that the stop valve can be matched with the gear 61 to fix the valve rod 14 after being opened or closed, the valve rod 14 can be effectively prevented from rotating when the stop valve touches the rotating handle 9 carelessly, and the stop valve is higher in practicability.

The upper end of the valve rod 14 is also provided with a rotating assembly for rotating the valve rod 14; the limiting sleeve 6 comprises a gear 61, a sleeve body 62 and a limiting bottom ring 63, the gear 61 is fixedly connected to the upper end of the sleeve body 62, and the limiting bottom ring 63 is fixedly connected to the lower end of the sleeve body 62; the rotating assembly comprises a strip-shaped sleeve 8, the strip-shaped sleeve 8 is fixedly connected to the upper end position of the valve rod 14, a pulling rod 16 is connected in the strip-shaped sleeve 8 in a sliding mode, one end, penetrating out of the strip-shaped sleeve 8, of the pulling rod 16 is provided with a rotating handle 9, one side of the upper end face of the strip-shaped sleeve 8 is further provided with a spiral button 15 used for fixing the position of the pulling rod 16, and the strip-shaped sleeve 8 is further fixedly connected with a rotating ring 7; and a limit stop is further arranged at one end of the pulling rod 16 far away from the rotating handle 9.

According to the utility model, through the arrangement of the pulling rod 16 and the strip-shaped sleeve 8, the position of the rotating handle 9 can be adjusted when the stop valve is difficult to open, the pulling rod 16 can be pulled, the distance between the rotating handle 9 and the valve rod 14 is lengthened, so that the force arm is increased, further, the stop valve can be opened more labor-saving, and the pulling rod 16 is retracted into the strip-shaped sleeve 8 after the stop valve is used, so that the problem of large occupied space caused by long force arm is avoided.

Example 2

The difference from example 1 is: the rotating ring 7 is wrapped with a rubber non-slip mat. The anti-slip device can effectively play an anti-slip role through the anti-slip pad arranged on the rotating ring 7, and the phenomenon of slipping when the rotating ring 7 is gripped is avoided.

The working principle of the utility model is as follows: when the stop valve is opened, the draw rod 16 can be drawn, the distance between the rotating handle 9 and the valve rod 14 is lengthened, so that the force arm is increased, the stop valve can be opened more labor-saving, the draw rod 16 is retracted into the strip sleeve 8 after the stop valve is used, the problem of large occupied space caused by a long force arm is avoided, meanwhile, the screw button 15 can be arranged for fixing the position of the draw rod 16, so that the draw length of the draw rod 16 can be fixed according to needs when the stop valve is used, the rotating seat 20, the fixed tooth block 10 and the retaining ring 11 are arranged, the valve rod 14 can be fixed by being matched with the gear 61 after the stop valve is opened or closed, the fixed tooth block 10 can be turned over to be meshed with the gear 61 when the stop valve is fixed, and similarly, when the valve rod 14 needs to be rotated, the fixed tooth block 10 is pulled up by the retaining ring 11 to be separated from the gear 61, so that the locking can be released.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. Although the present description is described in terms of embodiments, not every embodiment includes only one technical solution, and such description of the embodiments is merely for clarity, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides a high pressure stop valve, includes valve body (1), be equipped with disk seat (18) in the middle of valve body (1) inside, seted up valve opening (19) on disk seat (18), valve body (1) upper end installing port position still is equipped with valve gap (2), and valve gap (2) intermediate position is equipped with thread bush (12), its characterized in that: a valve rod (14) penetrates through the threaded sleeve (12), a valve core (17) matched with the valve hole (19) is arranged at the lower end of the valve rod (14), connecting threads (4) are arranged at the position, located on the threaded sleeve (12), of the valve rod (14), the valve rod (14) is in threaded connection with the threaded sleeve (12) through the connecting threads (4), and at least six limiting grooves (13) are formed in the upper end of the valve rod (14);

valve gap (2) up end avris equal fixedly connected with support bar (3), fixedly connected with fixed disk (5) between four support bars (3), fixed disk (5) intermediate position rotates and is connected with stop collar (6), stop collar (6) and spacing groove (13) sliding connection, fixed disk (5) up end still is equipped with the fixed subassembly that is used for fixed stop collar (6), valve rod (14) upper end still is equipped with and is used for carrying out pivoted runner assembly to valve rod (14).

2. The high-pressure stop valve as claimed in claim 1, wherein the stop sleeve (6) comprises a gear (61), a sleeve body (62) and a stop bottom ring (63), the gear (61) is fixedly connected to the upper end of the sleeve body (62), and the stop bottom ring (63) is fixedly connected to the lower end of the sleeve body (62).

3. The high-pressure stop valve according to claim 2, characterized in that the fixing component comprises a rotating seat (20), the rotating seat (20) is fixedly connected to one side of the upper end face of the fixed disc (5), a fixed gear block (10) is rotatably connected to the rotating seat (20) and used for clamping and fixing the gear (61), and a retaining ring (11) is fixedly connected to the upper end face of the fixed gear block (10).

4. The high-pressure stop valve according to claim 1, characterized in that the rotating assembly comprises a bar-shaped sleeve (8), the bar-shaped sleeve (8) is fixedly connected to the upper end of the valve rod (14), a pulling rod (16) is slidably connected to the bar-shaped sleeve (8), a rotating handle (9) is installed at one end of the pulling rod (16) penetrating out of the bar-shaped sleeve (8), a screw knob (15) for fixing the position of the pulling rod (16) is further arranged on one side of the upper end face of the bar-shaped sleeve (8), and a rotating ring (7) is further fixedly connected to the bar-shaped sleeve (8).

5. A high pressure shut-off valve according to claim 4, characterised in that the rotating ring (7) is coated with a non-slip mat of rubber material.

6. A high pressure stop valve according to claim 1, characterized in that the connecting ports at both ends of the valve body (1) are provided with connecting flanges.

7. A high pressure shut-off valve according to claim 4, characterized in that the end of the tap rod (16) remote from the turning handle (9) is provided with a limit stop.