CN215488164U

CN215488164U - Flange valve device with flange plates capable of being assembled

Info

Publication number: CN215488164U
Application number: CN202122030574.1U
Authority: CN
Inventors: 郑祥华; 郑笑愉
Original assignee: Wenzhou Xinsen Special Steel Co ltd
Current assignee: Wenzhou Xinsen Special Steel Co ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-01-11
Anticipated expiration: 2031-08-26

Abstract

The utility model discloses a flange valve device with an assembled flange plate, which comprises a valve body with a water inlet and a water outlet, wherein connecting pieces are movably arranged on the water inlet and the water outlet and are connected with internal threads arranged on the inner wall of the connecting pieces through external threads arranged on the outer wall of the water inlet, so that the connecting pieces are firmly fixed on the valve body; and the end surface of one end of the water inlet, which is far away from the valve body, is also provided with a contact end; the end, far away from the water inlet, of the internal thread is also provided with a step surface, and the connecting piece is assembled on the valve body, so that the sealing piece is firmly abutted between the abutting end and the step surface, and the sealing between the connecting piece and the water inlet is realized; through the scheme, when the valve body is assembled with the pipeline, the pipeline is conveniently aligned with the valve body through the adjustment of the position of the connecting piece; secondly, a connecting piece with a flange can be selected to enable the valve body to be connected with a pipeline with a larger diameter; and thirdly, the problem that the structure of the existing valve body cannot adapt to the change of the pipeline after the valve body is molded is solved.

Description

Flange valve device with flange plates capable of being assembled

Technical Field

The utility model relates to the technical field of valves, in particular to a flange valve device with a flange plate capable of being assembled.

Background

In a pipeline conveying equipment system, a valve is connected with a pipeline, and a large-diameter valve is generally connected by a flange plate; the small-caliber valve adopts a threaded connection mode; for the connection of a valve with medium pipe diameter and a pipeline, according to different use requirements, some valves need to be connected with the pipeline through threads, and some valves need to be connected with the pipeline through flanges. Most of valves connected through a flange and a pipeline in the current market are manufactured into an integral structure by the flange and a valve body. The position of the valve is inconvenient to align, and the structure of the valve is difficult to change and cannot adapt to the change of the valve and the pipeline during assembly.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a flange valve assembly with an attachable flange to solve the above-mentioned problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a flange valve device with an assembled flange plate comprises a valve body with a water inlet and a water outlet; connecting pieces are movably arranged on the water inlet and the water outlet; wherein, the inner wall of the connecting piece is provided with internal threads; the inner thread is matched with the water inlet or the outer thread on the outer wall of the water outlet in a threaded manner, so that the connecting piece is firmly fixed on the valve body.

As a preferred technical scheme of the utility model: and a sealing element is also arranged between the connecting piece and the water inlet, and the sealing element is fixed between the connecting piece and the water inlet through the connection of the connecting piece and the water inlet.

As a preferred technical scheme of the utility model: the end surfaces of the water inlet and the water outlet, which are far away from one end of the valve body, are provided with contact ends; the sealing element is abutted against the inner part of the connecting piece through the abutting end.

As a preferred technical scheme of the utility model: the sealing element is characterized in that a step surface is further arranged inside the connecting piece, and the sealing element is fixed in the connecting piece through the matching of the step surface and the abutting end.

As a preferred technical scheme of the utility model: the outer wall of the connecting piece is also provided with a connecting seat, and the connecting piece is further fixed on the valve body through the threaded fit of the arranged bolt and the connecting seat.

As a preferred technical scheme of the utility model: the number of the connecting seats is two.

As a preferred technical scheme of the utility model: and a flange is further arranged at one end of the connecting piece, which is far away from the valve body.

As a preferred technical scheme of the utility model: both ends of the connecting piece are provided with the internal threads.

By adopting the technical scheme, the utility model has the beneficial effects that: when the valve body and the pipeline are assembled, the position of the pipeline and the valve body can be adjusted by adjusting the position of the connecting piece, for example, rotating the connecting piece; meanwhile, the connecting piece is movably connected with the valve body, so that the valve body can be assembled with pipelines with different pipe diameters conveniently by replacing the connecting piece, for example, when the connecting piece with a flange is selected, the valve body can be connected with a pipeline with a larger diameter; if a connecting piece with internal threads at two ends is selected, the valve body can be connected with a smaller pipe diameter, and the problem that the structure of the existing valve body cannot adapt to the change of a pipeline after the existing valve body is formed is solved.

Drawings

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

FIG. 2 is a schematic sectional view of the connector with a flange;

fig. 3 is a schematic sectional view of the connector when internal threads are provided at both ends of the connector.

In the figure: 1. a water inlet; 2. an external thread; 3. a seal member; 4. a connecting member; 5. a bolt; 6. an internal thread; 7. a connecting seat; 8. a contact end; 9. a valve body; 10. a water outlet; 11. a step surface; 12. and (4) a flange.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model. In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "upper surface", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-3, an embodiment of the present invention is shown: a flange valve device with an assembled flange plate comprises a valve body 9 with a water inlet 1 and a water outlet 10; the water inlet 1 and the water outlet 10 are both movably provided with connecting pieces 4; wherein, the inner wall of the connecting piece 4 is provided with an internal thread 6; through the threaded fit of the internal thread 6 and the water inlet 1 or the external thread 2 arranged on the outer wall of the water outlet 10, the connecting piece 4 is firmly fixed on the valve body 9.

Through the scheme, when the valve body 9 is assembled with the pipeline, the position of the pipeline and the valve body 9 can be adjusted through adjusting the position of the connecting piece 4, for example, the connecting piece 4 is rotated; meanwhile, the connecting piece 4 is movably connected with the valve body 9, so that the valve body 9 can be assembled with pipelines with different pipe diameters conveniently by replacing the connecting piece 4, for example, when the connecting piece 4 with a flange is selected, the valve body 9 can be connected with a pipeline with a larger diameter; if a connecting piece 4 with internal threads 6 at two ends is selected, the valve body 9 can be connected with a smaller pipe diameter, and the problem that the structure of the existing valve body cannot adapt to the change of a pipeline after the existing valve body is formed is solved.

In addition, the connecting piece 4 and the valve body 9 can be independently manufactured, so that the material of the connecting piece 4 can be adaptively selected, and the problem that the use cost of the valve body 9 is high because the whole valve body 9 is made of the same material is solved.

In order to ensure the sealing of the joint of the valve body 9 and the connecting piece 4, the connecting piece 4 is also provided with a sealing piece 3 between the water inlet 1, and the sealing piece 3 is fixed between the connecting piece 4 and the water inlet 1 by the connecting piece 4.

Furthermore, the end surfaces of the water inlet 1 and the water outlet 10, which are far away from one end of the valve body 9, are provided with contact ends 8; the sealing element 3 is urged against the inside of the connecting element 4 by the abutment end 8. The arrangement of the abutting end 8 limits the deformation of the sealing element 3 in the process of assembling the connecting element 4, so that the sealing element 3 can be kept in an original state to abut against the connecting element 4.

Furthermore, the inside of the connecting piece 4 is further provided with a step surface 11, and the sealing piece 3 is fixed in the connecting piece 4 through the matching of the step surface 11 and the contact end 8. Through the scheme, the step surface 11 is arranged to limit the sealing element 3 to move continuously, so that the abutting end 8 abuts against the sealing element 3 on the step surface 11, and the sealing element 3 can fully realize the sealing capacity, wherein the cross section of the sealing element 3 is rectangular.

In order to further ensure the fixation of the valve body 9 and the connecting piece 4, the outer wall of the connecting piece 4 is also provided with a connecting seat 7, the connecting piece 4 is further fixed on the valve body 9 through the screw thread fit of the bolt 5 and the connecting seat 7, and by adopting the scheme, the bolt 5 is screwed down to further fix the connecting piece 4 and the valve body 9, so that the valve body 9 and the connecting piece 4 can be simply and conveniently fixed.

Since the number of the connecting seats 7 is two, the connecting member 4 can be fixed to the valve body 9 from a plurality of points, thereby further ensuring the fixation of the connecting member 4 to the valve body 9.

In order to facilitate the connection of the valve body 9 to a large-diameter pipeline, a flange 12 is further provided at an end of the connecting member 4 remote from the valve body 9.

In order to facilitate the connection of the valve body 9 and a small-diameter pipeline, the internal threads 6 are arranged at two ends of the connecting piece 4, and in addition, in order to further ensure that two ends of the connecting piece 4 have reliable sealing performance, a step surface 11 can be arranged in the middle of the connecting piece 4, and then the sealing pieces 3 are arranged at two ends of the step surface 11, so that the connecting piece 4 can be sealed with the pipeline and the valve body 9, and meanwhile, the connecting seats 7 can also be arranged at two sides of the step surface 11, so that the connecting piece 4 can be further fixed with the pipeline and the valve body 9.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, and the scope of protection is still within the scope of the utility model.

Claims

1. The utility model provides a flange valving that ring flange can be assembled which characterized in that: comprises a valve body (9) with a water inlet (1) and a water outlet (10);

the water inlet (1) and the water outlet (10) are both movably provided with connecting pieces (4); wherein, the inner wall of the connecting piece (4) is provided with an internal thread (6);

through the internal thread (6) with water inlet (1) or with external screw thread (2) screw-thread fit that is equipped with on delivery port (10) outer wall, so that connecting piece (4) firmly fix on the valve body (9).

2. A flange-mountable flange valve assembly as defined in claim 1, wherein: and a sealing element (3) is further arranged between the connecting element (4) and the water inlet (1), and the connecting element (4) is connected with the water inlet (1) so that the sealing element (3) is fixed between the connecting element and the water inlet.

3. A flange-mountable flange valve assembly as defined in claim 2, wherein: the end surfaces of one ends of the water inlet (1) and the water outlet (10) far away from the valve body (9) are respectively provided with a contact end (8); the sealing element (3) is pressed against the inside of the connecting element (4) by means of the contact end (8).

4. A flange-mountable flange valve assembly as defined in claim 3, wherein: the inside of connecting piece (4) still is equipped with step face (11), through step face (11) with the cooperation of butt end (8), will sealing member (3) are fixed in connecting piece (4).

5. A flange-mountable flange valve assembly according to any one of claims 1 to 4, wherein: the outer wall of the connecting piece (4) is further provided with a connecting seat (7), and the connecting piece (4) is further fixed on the valve body (9) through the threaded fit of the bolt (5) and the connecting seat (7).

6. A flange-mountable flange valve assembly as defined in claim 5, wherein: the number of the connecting seats (7) is two.

7. A flange-mountable flange valve assembly according to any one of claims 1 to 4, wherein: and a flange (12) is further arranged at one end of the connecting piece (4) far away from the valve body (9).

8. A flange-mountable flange valve assembly according to any one of claims 1 to 4, wherein: both ends of the connecting piece (4) are provided with the internal threads (6).