CN216951748U

CN216951748U - Wafer type V-shaped ball valve

Info

Publication number: CN216951748U
Application number: CN202122385766.4U
Authority: CN
Inventors: 刘余庆; 沈宇忠; 廖卿; 孟凡祥
Original assignee: Zhejiang Aowei Fluid Control Equipment Co ltd
Current assignee: Zhejiang Aowei Fluid Control Equipment Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-07-12
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a wafer type V-shaped ball valve which comprises a valve body, a valve rod arranged on the valve body, a valve core arranged on the valve rod and positioned in the valve body, and a valve seat arranged on the valve body and matched with the valve core to form a seal, wherein an installation part for installing a hexagonal spring is formed in the valve body, an installation channel which is communicated with the outside and the installation part and is used for the hexagonal spring to pass through is arranged on the valve body, a limiting ring is arranged in the installation channel in a sealing manner, a locking part is arranged between the limiting ring and the valve body, a first installation groove is formed between the limiting ring and the installation part, and the hexagonal spring is connected between the first installation groove and the valve seat. The utility model has the following advantages and effects: the utility model can realize convenient installation of the hexagonal spring, thereby improving the production efficiency of the ball valve, reducing the difficulty of later maintenance and having lower production cost.

Description

Wafer type V-shaped ball valve

Technical Field

The utility model relates to a valve, in particular to a wafer type V-shaped ball valve.

Background

The V-shaped ball valve is one kind of ball valve, and its closure member is valve core, and the valve core is hemisphere, and the hemisphere is opened there is V-shaped opening, and the V-shaped opening has sharp blade, and in the course of valve core rotation, there is a wiping action between the closure members, has powerful cutting force to the medium, and the V-shaped opening of the valve core and the medium channel of the valve body form a fan-shaped region, can change the sectional area of the medium channel in the course of rotation, form the regulation to the medium flow.

The V-shaped ball valve is an angle-rotating regulating valve, has the same sealing performance as a common ball valve, has two functions of regulating and opening and closing, can be matched with a pneumatic or electric actuator, is suitable for a control system requiring large adjustable ratio and controlling fibrous fluid and slurry fluid, and is a regulating valve with wide application.

The existing V-shaped ball valve comprises a valve body, a valve rod arranged on the valve body, a valve core arranged in the valve rod and positioned in the valve body, and a valve seat arranged in the valve body and matched with the valve core to form a seal, wherein a hexagonal spring for driving the valve seat to abut against and seal the valve core is arranged between the valve seat and the valve body. When the installation hexagonal spring, receive the influence of the inside operating space of valve body and the interference of disk seat and case, lead to the manual work under and limited operating space and be difficult to quick with hexagonal spring installation to treating the mounted position, very big influence the equipment production efficiency of valve, also increased the maintenance degree of difficulty in valve later stage. The present invention was made in light of the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wafer type V-shaped ball valve which can realize convenient installation of a hexagonal spring, so that the production efficiency of the ball valve is improved, the difficulty of later maintenance is reduced, and the production cost is lower.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a wafer formula V type ball valve, includes the valve body, installs in the valve rod of valve body, installs in the valve rod and is located the case of valve body and sets up in valve body and cooperation case constitution sealed disk seat, be formed with the installation department that supplies the installation of hexagonal spring in the valve body, be equipped with the installation passageway that the intercommunication is external and the installation department just supplies the hexagonal spring to pass through on the valve body, seal installation has the spacing ring in the installation passageway, be equipped with the locking piece between spacing ring and the valve body, form a first mounting groove between spacing ring and the installation department, be connected with hexagonal spring between first mounting groove and the disk seat.

Through adopting above-mentioned technical scheme, with hexagonal spring and disk seat assembly back, with these both together through the installation passageway installation into the valve body, install the spacing ring into the installation passageway again after that, realize the locking to the spacing ring through the locking piece. The limiting ring is matched with the mounting part to form a first mounting groove for fixing the limiting ring, so that the valve seat and the hexagonal spring are fixedly mounted in the valve body. This kind of mounting means does not receive the operating space influence and also can not make the part of valve to the installation operation flow constitute interfere to realized the convenient installation of hex spring and disk seat, promoted the production efficiency of ball valve, reduced later maintenance's the degree of difficulty and manufacturing cost lower. When the valve seat or the hexagonal spring is to be maintained and replaced, the valve seat and the hexagonal spring can be conveniently taken out and replaced by removing the locking piece, and the operation is simple, convenient and quick.

Further setting the following steps: including being formed with in the main mounting groove of valve body and supply the spacing ring installation, the locking piece encircles around the centre of a circle in the spacing ring and is provided with a plurality ofly, the locking piece includes the bolt, the bolt passes spacing ring and valve body threaded connection, be equipped with first sealing washer between main mounting groove and the spacing ring, be formed with the extension that extends to the external world and be located the valve body terminal surface outside on the first sealing washer.

Through adopting above-mentioned technical scheme, the bolt passes spacing ring and valve body threaded connection and realizes the fixed mounting dismantled on the valve body that the spacing ring lies in, guarantees sealed between valve body and the spacing ring through first sealing washer, prevents to take place to leak. When the pipeline is in butt joint with the valve body, the end face of the pipeline just abuts against the extending portion, so that sealing between the pipeline and the valve body is achieved, and the valve is simple in structure, low in cost and good in sealing performance.

Further setting as follows: the valve comprises a second mounting groove formed in a valve seat and used for mounting a hexagonal spring, wherein one side surface of the hexagonal spring, which is back to the valve core, is abutted against a limiting ring, and an elastic gap is formed between the other side surface of the hexagonal spring and the side wall of the second mounting groove.

By adopting the technical scheme, the hexagonal spring which is propped against the limiting ring supports the hexagonal spring which moves back to the valve core, so that stronger propping sealing force can be formed between the valve seat and the valve core. The arrangement of the elastic gap enables the hexagonal spring to have a larger elastic moving interval, so that the valve seat can be better driven to move, the matching tolerance formed between the valve seat and the valve seat can be better compensated, and a better sealing effect can be achieved.

Further setting the following steps: the extension part is positioned between the circle center of the limiting ring and the locking piece, and a second sealing ring is arranged between the valve seat and the limiting ring.

Through adopting above-mentioned technical scheme, this kind of setting makes butt joint seal not receive the influence that the locking piece exists, guarantees the leakproofness between spacing ring and the disk seat both through the setting of second sealing washer.

Further setting the following steps: be equipped with the axle sleeve that the valve rod was located to the cover between valve body and the valve rod, be equipped with the cover between valve body and the valve rod and locate the valve rod and be located the seal cover of axle sleeve top, seal cover and the sealed cooperation of valve rod, be formed with flow clearance between seal cover and the valve body, be equipped with between valve body and the valve rod and be located flow clearance top and communicating installation cavity with it, be equipped with the sealing ring in the installation cavity, the sealed clearance that flows of sealing ring, the sealing ring is inwards sunken to form a atress annular corresponding to flow clearance's position, the outer lane of sealing ring supports in valve body, inner circle offset in the valve rod mutually.

By adopting the technical scheme, the pressure intensity in the valve cavity enters the stress ring groove through the flowing clearance, the outer ring and the inner ring of the sealing ring are more tightly abutted against the valve body and the valve rod by applying force to the stress ring groove, so that a better sealing effect is achieved for the valve body and the valve rod, and leakage is prevented.

Further setting the following steps: the valve body is characterized in that a plurality of sealing fillers are arranged in the mounting cavity above the sealing ring, the sealing fillers are arranged upwards along the axis of the valve rod, and the valve body is provided with a packing gland used for extruding the sealing fillers.

Through adopting above-mentioned technical scheme, sealing filler cooperation gland is further sealed between valve body and the valve rod, realizes double containment through sealing filler cooperation sealing ring to reach better sealed effect.

Further setting the following steps: the valve comprises a jack which is formed on a valve core and is used for inserting a valve rod, and a flat key and a fixing pin are connected between the valve rod and the valve core.

Through adopting above-mentioned technical scheme, the structural strength between flat key cooperation fixed pin promotes case and valve rod between the two.

In conclusion, the utility model has the following beneficial effects: the utility model can realize convenient installation of the hexagonal spring, thereby improving the production efficiency of the ball valve, reducing the difficulty of later maintenance and having lower production cost.

Drawings

FIG. 1 is a sectional view of the embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 1.

In the figure: 1. a valve body; 2. a valve stem; 3. a valve core; 4. a valve seat; 5. a hexagonal spring; 6. an installation part; 7. installing a channel; 8. a limiting ring; 9. a locking member; 10. a first mounting groove; 11. a main mounting groove; 12. a first seal ring; 13. an extension portion; 14. a second mounting groove; 15. an elastic gap; 16. a second seal ring; 17. a shaft sleeve; 18. sealing sleeves; 19. a flow gap; 20. a mounting cavity; 21. a seal ring; 23. a force-bearing ring groove; 24. sealing and filling; 25. a packing gland; 26. a jack; 27. a flat bond; 28. a fixing pin; 29. and a lower valve rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, the wafer V-shaped ball valve includes a valve body 1, a valve stem 2 installed on the valve body 1, a valve plug 3 installed on the valve stem 2 and located in the valve body 1, and a valve seat 4 disposed on the valve body 1 and cooperating with the valve plug 3 to form a seal, wherein a lower valve stem 29 fixedly connected with the valve plug 3 is installed below the valve plug 3 in the valve body 1. Be formed with the installation department 6 that supplies hexagonal spring 5 to install in the valve body 1, seted up in the valve body 1 and communicated the external world and install the installation passageway 7 that 6 just supply hexagonal spring 5 to pass through with the installation department, seted up main mounting groove 11 on the installation passageway 7, main mounting groove 11 inner seal installs spacing ring 8, is equipped with locking piece 9 between spacing ring 8 and the valve body 1. Form a first mounting groove 10 between spacing ring 8 and installation department 6, seted up second mounting groove 14 on the disk seat 4, be connected with hexagon spring 5 between first mounting groove 10 and the second mounting groove 14.

Locking piece 9 encircles around the centre of a circle in spacing ring 8 and is provided with a plurality ofly, and locking piece 9 includes the bolt, and the bolt passes

spacing ring

8 and 1 threaded connection of valve body. A first sealing ring 12 is arranged between the main mounting groove 11 and the limiting ring 8, an extending portion 13 which extends to the outside and is located on the outer side of the end face of the valve body 1 is formed on the first sealing ring 12, and the first sealing ring 12 and the extending portion 13 are integrally arranged. One side surface of the hexagonal spring 5, which is back to the valve core 3, is abutted against the limiting ring 8, and an elastic gap 15 is formed between the other side surface and the side wall of the second mounting groove 14. The extending part 13 is positioned between the circle center of the limiting ring 8 and the locking part 9, and a second sealing ring 16 is arranged between the valve seat 4 and the limiting ring 8.

A shaft sleeve 17 sleeved on the valve rod 2 is arranged between the valve body 1 and the valve rod 2, a sealing sleeve 18 sleeved on the valve rod 2 and located above the shaft sleeve 17 is arranged between the valve body 1 and the valve rod 2, the sealing sleeve 18 is in sealing fit with the valve rod 2, and a flow gap 19 is formed between the sealing sleeve 18 and the valve body 1. An installation cavity 20 which is located above the flow gap 19 and communicated with the flow gap is formed between the valve body 1 and the valve rod 2, a sealing ring 21 is arranged in the installation cavity 20, the flow gap 19 is sealed by the sealing ring 21, the position, corresponding to the flow gap 19, of the sealing ring 21 is inwards recessed to form a stress ring groove 23, the outer ring of the sealing ring 21 is abutted against the valve body 1, the inner ring of the sealing ring is abutted against the valve rod 2, and the sealing ring 21 is made of rubber.

The sealing packing 24 is arranged above the sealing ring 21 in the mounting cavity 20, a plurality of sealing packings 24 are arranged upwards along the axis of the valve rod 2, and the valve body 1 is fixedly provided with a packing gland 25 for extruding the sealing packing 24. The valve body 3 is formed with an insertion hole 26 into which the valve rod 2 is inserted, and a flat key 27 and a fixing pin 28 are connected between the valve rod 2 and the valve body 3.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the present invention.

Claims

1. The utility model provides a wafer formula V type ball valve, includes valve body (1), installs in valve rod (2) of valve body (1), installs in valve rod (2) and be located case (3) of valve body (1) and set up in valve body (1) and cooperation case (3) and constitute sealed disk seat (4), its characterized in that: be formed with installation department (6) that supply hexagonal spring (5) to install in valve body (1), be equipped with installation passageway (7) that the intercommunication is external and installation department (6) and supply hexagonal spring (5) to pass through on valve body (1), installation passageway (7) inner seal installs spacing ring (8), be equipped with locking piece (9) between spacing ring (8) and valve body (1), form a first mounting groove (10) between spacing ring (8) and installation department (6), be connected with hexagonal spring (5) between first mounting groove (10) and disk seat (4).

2. The wafer-type V-shaped ball valve according to claim 1, wherein: including forming in main mounting groove (11) of valve body (1) and supply spacing ring (8) installation, locking piece (9) encircle around the centre of a circle in spacing ring (8) and are provided with a plurality ofly, locking piece (9) include the bolt, the bolt passes spacing ring (8) and valve body (1) threaded connection, be equipped with first sealing washer (12) between main mounting groove (11) and spacing ring (8), be formed with extension (13) that extend to the external world and lie in the valve body (1) terminal surface outside on first sealing washer (12).

3. The wafer-type V-shaped ball valve according to claim 1, wherein: including forming in disk seat (4) and supplying second mounting groove (14) of hexagonal spring (5) installation, a side of hexagonal spring (5) case (3) dorsad supports in spacing ring (8), another side and second mounting groove (14) lateral wall between be formed with elastic gap (15).

4. The wafer-type V-shaped ball valve according to claim 2, wherein: the extension part (13) is located between the circle center of the limiting ring (8) and the locking part (9), and a second sealing ring (16) is arranged between the valve seat (4) and the limiting ring (8).

5. The wafer-type V-shaped ball valve according to claim 1, wherein: a shaft sleeve (17) sleeved on the valve rod (2) is arranged between the valve body (1) and the valve rod (2), a sealing sleeve (18) which is sleeved on the valve rod (2) and is positioned above the shaft sleeve (17) is arranged between the valve body (1) and the valve rod (2), the sealing sleeve (18) is in sealing fit with the valve rod (2), a flow gap (19) is formed between the sealing sleeve (18) and the valve body (1), an installation cavity (20) which is positioned above the flow gap (19) and communicated with the flow gap is arranged between the valve body (1) and the valve rod (2), a sealing ring (21) is arranged in the mounting cavity (20), the sealing ring (21) seals the flowing gap (19), the position of the sealing ring (21) corresponding to the flow gap (19) is inwards recessed to form a force bearing ring groove (23), the outer ring of the sealing ring (21) is abutted against the valve body (1), and the inner ring is abutted against the valve rod (2).

6. The wafer-type V-shaped ball valve according to claim 5, wherein: the sealing device is characterized in that a sealing filler (24) is arranged above the sealing ring (21) in the mounting cavity (20), the sealing filler (24) is arranged upwards along the axis of the valve rod (2) in a plurality, and a filler gland (25) used for extruding the sealing filler (24) is arranged on the valve body (1).

7. The wafer-type V-shaped ball valve according to claim 1, wherein: the valve comprises an insertion hole (26) which is formed in a valve core (3) and is used for inserting a valve rod (2), and a flat key (27) and a fixing pin (28) are connected between the valve rod (2) and the valve core (3).