CN213088800U

CN213088800U - Mounting structure of ball valve

Info

Publication number: CN213088800U
Application number: CN202021528874.1U
Authority: CN
Inventors: 吴政; 赵南平
Original assignee: Shanghai Kaite Valve Manufacture Co ltd
Current assignee: Shanghai Kaite Valve Manufacture Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-04-30
Anticipated expiration: 2030-07-29

Abstract

The utility model discloses a mounting structure of ball valve relates to valve body technical field, and it includes the valve body, intercommunication mouth, mounting groove and installing port have been seted up along the horizontal direction to the valve body in proper order, be formed with first step butt wall between intercommunication mouth and the mounting groove, just the spheroid opening and closing piece is installed to the valve body in the mounting groove, it is provided with drive spheroid opening and closing piece pivoted valve rod subassembly to rotate on the valve body, be provided with the butt subassembly that is used for the fixed spheroid opening and closing piece of butt in the installing port, spheroid opening and closing piece and first step butt all are provided with the elastic sealing subassembly between wall and the butt subassembly. The utility model discloses utilize elastic sealing component, when improving the leakproofness between spheroid opening and closing piece and first step butt wall and the butt subassembly, still weakened the fastening nature between spheroid opening and closing piece and the first step butt wall and the butt subassembly, help the user to rotate the spheroid opening and closing piece.

Description

Mounting structure of ball valve

Technical Field

The utility model belongs to the technical field of the valve body structure technique and specifically relates to a mounting structure of ball valve is related to.

Background

The ball valve is a valve in which a ball opening and closing piece is driven by a valve rod and rotates around a rotating axis which is vertical to the flowing direction of liquid.

In the prior art, regarding the installation of the sphere opening and closing piece, in order to improve the sealing performance between the sphere opening and closing piece and the valve body, the fastening force between the sphere opening and closing piece and the valve body is often large, so that a user is not convenient to drive the valve rod to drive the sphere opening and closing piece to rotate, and a part to be improved exists.

SUMMERY OF THE UTILITY MODEL

To the technical problem, the utility model aims to provide a mounting structure of ball valve utilizes the elastic sealing subassembly, when improving the leakproofness between spheroid opening and closing piece and first step butt wall and the butt subassembly, has still weakened the fastening nature between spheroid opening and closing piece and first step butt wall and the butt subassembly, helps the user to rotate spheroid opening and closing piece.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a mounting structure of ball valve, includes the valve body, intercommunication mouth, mounting groove and installing port have been seted up along the horizontal direction to the valve body in proper order, be formed with first step butt wall between intercommunication mouth and the mounting groove, just the valve body installs the spheroid in the mounting groove and opens and close the piece, it is provided with the drive spheroid and opens and close a pivoted valve rod assembly to rotate on the valve body, be provided with the butt subassembly that is used for the fixed spheroid of butt to open and close in the mounting groove, the spheroid is opened and close and all is provided with the elastic sealing subassembly between piece and first step butt wall and the butt subassembly.

Through adopting above-mentioned technical scheme, in-service use, utilize the elastic sealing assembly that sets up between one side of spheroid opening and closing a horizontal direction and the first ladder butt wall, and the elastic sealing assembly that sets up between the opposite side of spheroid opening and closing a horizontal direction and the butt subassembly, when improving the leakproofness between spheroid opening and closing a and first ladder butt wall and the butt subassembly, still weakened the fastening nature between spheroid opening and closing a and first ladder butt wall and the butt subassembly, help the user to rotate the spheroid and open and close.

The present invention may be further configured in a preferred embodiment as: two the elastic sealing assembly all includes butt retaining ring and seal ring, the butt subassembly is formed with second step butt wall, two the cross-section of butt retaining ring all is the echelonment and respectively with first step butt wall and second step butt wall looks adaptation, two one seal ring among the seal ring is located between first step butt wall and the butt retaining ring, another seal ring is located between second step butt wall and another butt retaining ring.

Through adopting above-mentioned technical scheme, in-service use, because one of two seal ring is located between first step butt joint wall and the butt retaining ring, another seal ring is located between second step butt joint wall and another butt retaining ring, make the spheroid open and close all have certain elastic deformation volume between relative both sides of piece and two butt retaining rings, and then when having specifically realized improving the leakproofness between spheroid open and close piece and first step butt joint wall and the butt subassembly, still weakened the purpose of the leakproofness between spheroid open and close piece and first step butt joint wall and the butt subassembly.

The present invention may be further configured in a preferred embodiment as: and a first deformation gap is reserved between one of the abutting check rings and the first step abutting wall, and a second deformation gap is reserved between the other abutting check ring and the second step abutting wall.

Through adopting above-mentioned technical scheme, in the in-service use, utilize first deformation clearance and second deformation clearance, increased the elastic deformation volume between the relative both sides of spheroid switching piece and two butt retaining rings, and then further convenient to use person rotates spheroid switching piece.

The present invention may be further configured in a preferred embodiment as: the stepped cross section of the two abutting check rings comprises a first vertical surface, a first horizontal surface and a second vertical surface, embedded grooves are formed in the first horizontal surface, and the two sealing gaskets are respectively embedded into the embedded grooves.

Through adopting above-mentioned technical scheme, utilize the embedded groove on two first horizontal planes, have to seal ring and inlay and establish fixed effect, improved the fastening nature of two seal ring on two butt retaining rings.

The present invention may be further configured in a preferred embodiment as: the butt joint component comprises a butt joint block, the second step butt joint wall is located on one side, close to the ball opening and closing piece, of the butt joint block, and the butt joint block is in threaded connection with the inner wall of the mounting opening.

Through adopting above-mentioned technical scheme, in the in-service use, with the butt piece screw in installing port, and then support tight seal ring on butt retaining ring and the butt retaining ring, this kind of fixed mode helps keeping the tight degree of support of butt piece on the butt retaining ring, in addition, helps playing sealed effect.

The present invention may be further configured in a preferred embodiment as: one side of the butt joint block, which is close to the ball opening and closing piece, is provided with a sealing ring groove, and a first sealing ring is embedded in the sealing ring groove.

Through adopting above-mentioned technical scheme, utilize first sealing washer, further improve the leakproofness between butt joint piece and the installing port inner wall.

The present invention may be further configured in a preferred embodiment as: the abutment block is formed with an impact guide wall.

Through adopting above-mentioned technical scheme, utilize to strike the guide wall, turn into the impact force of liquid the butt piece to the butt retaining ring and the spheroid open and close the tight power between the piece, and then improved butt piece, butt retaining ring, seal ring and spheroid and opened and close the tight degree between the piece, and then improve the leakproofness between butt piece, butt retaining ring, seal ring and the spheroid open and close the piece.

The present invention may be further configured in a preferred embodiment as: the valve rod assembly comprises a sleeve and a valve rod, a rotating groove communicated with the mounting groove is formed in the valve body, the sleeve is connected to the inner wall of the rotating groove through threads, a first sealing assembly is arranged at the joint of the sleeve and the inner wall of the rotating groove, the valve rod is arranged in the sleeve in an inserting mode, a second sealing assembly is arranged at the joint of the valve rod and the sleeve, and the bottom of the valve rod and the ball opening and closing piece form inserting and fixing matching.

Through adopting above-mentioned technical scheme, utilize the sleeve to reduce the degree of wear between valve body and the valve rod, help protecting the structural strength of valve body, simultaneously, utilize first seal assembly and second seal assembly to improve the leakproofness between rotation inslot wall, sleeve and the valve rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

by utilizing the elastic sealing component, the tightness between the sphere opening and closing piece and the first step abutting wall and the abutting component is weakened while the tightness between the sphere opening and closing piece and the first step abutting wall and the abutting component are improved, and the sphere opening and closing piece is beneficial to a user to rotate;

through two seal ring, first deformation clearance and the second deformation clearance that set up, and then increased the elastic deformation volume between the relative both sides of spheroid switching on and off piece and two butt retaining rings, and then further convenient to use person rotates the spheroid switching on and off piece.

Drawings

Fig. 1 is an exploded schematic view of the overall structure of the installation structure of the ball valve according to the present embodiment;

FIG. 2 is a sectional view of the valve body structure of the present embodiment, which mainly shows the structure of the rotary groove and the first step abutment wall;

fig. 3 is a sectional view showing the entirety of the mounting structure of the ball valve according to the present embodiment;

FIG. 4 is an enlarged view of a portion A of FIG. 3, which mainly shows the structure of the first deformation gap;

FIG. 5 is an enlarged view of a portion B of FIG. 3, which mainly shows the structure of the second deformation gap;

FIG. 6 is an enlarged view of a portion C of FIG. 3, primarily illustrating the structure of the valve stem assembly;

reference numerals: 1. a valve body; 11. a communication port; 12. mounting grooves; 13. an installation port; 14. a rotating groove; 2. a first step abutment wall; 3. a ball opening and closing member; 31. a square rotating groove; 4. a valve stem assembly; 41. a sleeve; 411. a first seal assembly; 4111. a second seal ring; 4112. a gasket; 412. a first stopper; 42. a valve stem; 421. a second limiting block; 422. a second seal assembly; 4221. a third seal ring; 5. an abutment assembly; 51. a butting block; 511. an impact guide wall; 512. a second step abutment wall; 513. sealing the ring groove; 514. a first seal ring; 6. an elastomeric seal assembly; 61. abutting against the retainer ring; 611. a first vertical face; 612. a first horizontal plane; 6121. a groove is embedded; 613. a second vertical face; 614. an abutting surface; 62. a sealing gasket; 7. a first deformation gap; 8. a second deformation gap.

Detailed Description

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

As shown in fig. 1 and 2, a ball valve mounting structure comprises a valve body 1, the valve body 1 is sequentially provided with a communication port 11, a mounting groove 12 and a mounting port 13 along a horizontal direction, a first step abutting wall 2 is formed between the communication port 11 and the mounting groove 12, a ball opening and closing member 3 is mounted in the mounting groove 12 of the valve body 1, a rotating groove 14 communicated with the mounting groove 12 is formed on the upper side of the valve body 1 in the vertical direction of the mounting groove 12, a valve rod assembly 4 for driving the ball opening and closing member 3 to rotate is arranged in the rotating groove 14, an abutting assembly 5 for abutting and fixing the ball opening and closing member 3 is arranged in the mounting port 13 of the valve body 1, elastic sealing assemblies 6 are arranged between the first step abutting wall 2 and the ball opening and closing member 3, and between the abutting assembly 5 and the ball opening and closing member 3, and two elastic sealing components 6 are respectively positioned at two opposite sides of the sphere opening and closing piece 3 in the horizontal direction.

In actual use, utilize the elastic sealing assembly 6 that sets up between spheroid opening and closing piece 3 and first step butt wall 2 and the butt subassembly 5, when improving the leakproofness between spheroid opening and closing piece 3 and first step butt wall 2 and the butt subassembly 5, still weakened the fastening nature between spheroid opening and closing piece 3 and first step butt wall 2 and the butt subassembly 5, help the user to utilize valve rod assembly 4 to rotate spheroid opening and closing piece 3.

As shown in fig. 3, the abutting assembly 5 is formed with a second step abutting wall 512, the second step abutting wall 512 is disposed opposite to the first step abutting wall 2, one elastic sealing assembly 6 of the two elastic sealing assemblies 6 is installed between the first step abutting wall 2 and the ball opening and closing member 3, and the other elastic sealing assembly 6 is installed between the ball opening and closing member 3 and the second step abutting wall 512, since the installation manners of the two elastic sealing assemblies 6 are the same, the installation manner of one elastic sealing assembly 6 and the first step abutting wall 2 is now taken as an example for explanation.

As shown in fig. 4 and 5, the elastic sealing assembly 6 includes an abutting retainer 61 and a sealing washer 62, the cross section of the abutting retainer 61 is in a step shape, the step-shaped cross section of the abutting retainer 61 includes a first vertical surface 611, a first horizontal surface 612 and a second vertical surface 613, and an abutting surface 614 of the abutting ball shutter 3, the step-shaped cross section of the abutting retainer 61 is matched with the first step abutting wall 2, wherein a recessed groove 6121 is opened on the first horizontal surface 612, the sealing washer 62 is recessed in the recessed groove 6121, a first deformation gap 7 is left between the first vertical surface 611 and the corresponding surface of the first step abutting wall 2, and similarly, a second deformation gap 8 is left between the other abutting retainer 61 and the second step abutting wall 512.

In practical use, the two sealing gaskets 62, the first deformation gap 7 and the second deformation gap 8 are used to provide a certain amount of elastic deformation between the ball opening and closing member 3 and the two abutting check rings 61, so that the user can rotate the ball opening and closing member 3 by using the valve rod assembly 4.

The abutting assembly 5 comprises an abutting block 51 which is arranged in a hollow mode, an impact guide wall 511 is formed on the inner wall of the abutting block 51, and the outer wall of the abutting block 51 is connected with the inner wall of the mounting opening 13 through threads; the second step abutting wall 512 is located at an end portion of the abutting block 51 close to the ball opening and closing member 3, a sealing ring groove 513 is formed in one side of the abutting block 51 close to the ball opening and closing member 3, and a first sealing ring 514 is embedded in the sealing ring groove 513. In fact, the user screws the abutment block 51 into the mounting opening 13 and abuts against the abutment collar 61 and the sealing washer 62 on the abutment collar 61, which helps to maintain the abutment of the abutment block 51 against the abutment collar 61 and, in addition, helps to perform the sealing function.

As shown in fig. 3 and 6, the valve rod assembly 4 includes a sleeve 41 and a valve rod 42, an outer wall of the sleeve 41 is connected with an inner wall of the rotating groove 14 through a thread, a first sealing assembly 411 is arranged at a joint of the outer wall of the sleeve 41 and the inner wall of the rotating groove 14, the first sealing assembly 411 includes two second sealing rings 4111 and two sealing gaskets 4112, the two second sealing rings 4111 are both embedded and fixed on the outer wall of the sleeve 41 and are arranged up and down, so as to improve the sealing performance between the inner wall of the rotating groove 14 and the outer wall of the sleeve 41; a first stopper 412 is integrally formed at the end of the sleeve 41 close to the rotation groove 14; the valve rod 42 is inserted and fixed in the sleeve 41, a second limiting block 422 is integrally formed at the end part of the valve rod 42 close to the mounting groove 12 in the length direction so as to prevent the valve rod 42 from being separated from the rotating groove 14, and a sealing gasket 4112 is sleeved on the valve rod 42 and respectively abutted against the bottom end of the sleeve 41 and the second limiting block 422; to improve the seal between the stem 42 and the sleeve 41. The joint of the valve rod 42 and the sleeve 41 is provided with a second sealing assembly 422, similarly, the second sealing assembly 422 includes three third sealing rings 4221, the three third sealing rings 4221 are provided, the three third sealing rings 4221 are all embedded and fixed on the outer wall of the valve rod 42 and uniformly arranged along the length direction of the valve rod 42, wherein the section of the third sealing ring 4221 positioned at the uppermost part is square, that is, the three second sealing rings 4221 are utilized to improve the sealing performance between the valve rod 42 and the sleeve 41.

As shown in fig. 1 and 6, a square rotation groove 31 is formed on the upper side of the sphere opening and closing member 3 in the vertical direction, and the bottom of the valve rod 42 is in insertion fixed fit with the square rotation groove 31 on the sphere opening and closing member 3.

The implementation principle of the embodiment is as follows:

in actual use, utilize butt piece 51, two seal ring 62, first deformation clearance 7 and the second deformation clearance 8 through threaded connection at installing port 13, when improving the leakproofness between spheroid opening and closing piece 3 and first step butt wall 2 and the butt subassembly 5 for certain elastic deformation volume has between spheroid opening and closing piece 3 and two butt retaining rings 61, and then convenient to use person utilizes valve rod assembly 4 to rotate spheroid opening and closing piece 3.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a mounting structure of ball valve, its characterized in that, includes valve body (1), intercommunication mouth (11), mounting groove (12) and installing port (13) have been seted up in proper order along the horizontal direction in valve body (1), be formed with first step butt wall (2) between intercommunication mouth (11) and mounting groove (12), just valve body (1) installs spheroid piece (3) that opens and close in mounting groove (12), it is provided with drive spheroid piece (3) pivoted valve rod component (4) to rotate on valve body (1), be provided with butt subassembly (5) that are used for the fixed spheroid of butt to open and close piece (3) in installing port (13), spheroid piece (3) that opens and close all is provided with elastic sealing component (6) between first step butt wall (2) and butt subassembly (5).

2. A mounting structure for a ball valve according to claim 1, wherein each of the two elastic sealing assemblies (6) includes an abutting retainer ring (61) and a sealing washer (62), the abutting assembly (5) is formed with a second stepped abutting wall (512), the abutting retainer rings (61) have stepped cross sections and are respectively matched with the first stepped abutting wall (2) and the second stepped abutting wall (512), one sealing washer (62) of the two sealing washers (62) is located between the first stepped abutting wall (2) and the abutting retainer ring (61), and the other sealing washer (62) is located between the second stepped abutting wall (512) and the other abutting retainer ring (61).

3. A ball valve mounting structure according to claim 2, wherein one of the abutment collars (61) has a first deformation gap (7) with the first stepped abutment wall (2), and the other of the abutment collars (61) has a second deformation gap (8) with the second stepped abutment wall (512).

4. The mounting structure of a ball valve according to claim 3, wherein the stepped cross section of the two abutting retainer rings (61) comprises a first vertical surface (611), a first horizontal surface (612) and a second vertical surface (613), the two first horizontal surfaces (612) are provided with embedded grooves (6121), and the two sealing washers (62) are respectively embedded in the embedded grooves (6121).

5. A mounting structure of a ball valve according to claim 4, characterized in that the abutment assembly (5) comprises an abutment block (51), the second step abutment wall (512) is located on the side of the abutment block (51) close to the ball shutter (3), and the abutment block (51) is in threaded connection with the inner wall of the mounting opening (13).

6. A ball valve mounting structure according to claim 5, wherein a sealing ring groove (513) is formed on one side of the abutting block (51) close to the ball opening and closing member (3), and a first sealing ring (514) is embedded in the sealing ring groove (513).

7. A mounting structure of a ball valve according to claim 6, wherein said abutting block (51) is formed with an impact guide wall (511).

8. The mounting structure of a ball valve according to claim 7, wherein the valve stem assembly (4) comprises a sleeve (41) and a valve stem (42), the valve body (1) is provided with a rotating groove (14) communicated with the mounting groove (12), the sleeve (41) is connected to the inner wall of the rotating groove (14) through threads, a first sealing assembly (411) is arranged at the joint of the sleeve (41) and the inner wall of the rotating groove (14), the valve stem (42) is inserted into the sleeve (41), a second sealing assembly (422) is arranged at the joint of the valve stem (42) and the sleeve (41), and the bottom of the valve stem (42) and the ball opening and closing part (3) form an inserted fixed fit.