Soft seal ball valve

Abstract

The utility model discloses a soft sealing ball valve, and relates to the field of ball valve devices. The sealing ball main body is arranged in the soft sealing ball valve main body, the opening is formed in the outer wall of the sealing ball main body, the valve seat is used for sealing the sealing ball main body and the inner wall of the soft sealing ball valve main body, and a first sealing ring is arranged on the outer wall of the valve seat. According to the soft sealing ball valve, the protection mechanism is arranged on the outer wall of the first sealing ring arranged on one side of the valve seat, and when an opening formed in the outer wall of the sealing ball body does not completely correspond to a through hole in the position of the valve seat, namely, part of the opening corresponds to the first sealing ring arranged on the outer wall of the valve seat; particles in sewage can be prevented from directly impacting the first sealing ring under the action of impulsive force, so that the service life of the first sealing ring is effectively prolonged, and the sealing performance of the soft sealing ball valve in the using process is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field, concretely is a kind of soft sealing ball valve. BACKGROUND

[0002] Sewage is mainly recycled to sewage pool through conveying pipeline, and in order to control the conveying flow of conveying pipeline, soft sealing ball valve is arranged between adjacent two groups of conveying pipelines, and the soft sealing ball valve controls the conveying flow by changing the opening position of the internal sealing ball.

[0003] In the prior art, a valve seat is arranged on the inner wall of the soft sealing ball valve, and a sealing ring for soft sealing is arranged on the outer wall of the valve seat, so as to ensure the connection tightness between the sealing ball and the inner wall of the soft sealing ball valve when the sealing ball is in the closed state, but the sealing ring is easily damaged during use, resulting in the failure of the overall sealing property of the soft sealing ball valve.

[0004] The main reason for the above problem is that when the rotation angle of the sealing ball is less than ninety degrees and greater than zero, the opening on the outer wall of the sealing ball does not completely correspond to the through hole at the valve seat, i.e. at this time, they are in a misaligned state, and part of the opening corresponds to the sealing ring arranged on the outer wall of the valve seat. During the passage of sewage through the soft sealing ball valve, solid particles in the sewage are easily contacted and collided with the outer wall of the sealing ring under the action of the impact force. After a long time, the sealing ring is easily damaged, so that the outer wall of the sealing ball is not tightly fitted with the sealing ring when the sealing ball is in the closed state, and part of the sewage flows through the gap between them, so that the function of the soft sealing ball valve for controlling the conveying flow is invalid. In view of the above problem, we propose a soft sealing ball valve. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a soft sealing ball valve, which solves the problem that the inner wall of the soft sealing ball valve is provided with a valve seat, the outer wall of the valve seat is provided with a sealing ring for soft sealing, so as to ensure the connection tightness between the sealing ball and the inner wall of the soft sealing ball valve when the sealing ball is in the closed state, but the sealing ring is easily damaged during use, resulting in the failure of the overall sealing property of the soft sealing ball valve.

[0007] (II) Technical scheme

[0008] In order to achieve the above purpose, the utility model is implemented by the following technical scheme: a soft sealing ball valve, comprising a soft sealing ball valve body, a sealing ball body arranged inside the soft sealing ball valve body, an opening arranged on the outer wall of the sealing ball body, and a valve seat for sealing the sealing ball body and the inner wall of the soft sealing ball valve body, the outer wall of the valve seat is provided with a first sealing ring, the outer wall of the first sealing ring is provided with a protection mechanism, and the protection mechanism comprises:

[0009] V-shaped memory spring connected with the outer wall of the first sealing ring, the V-shaped memory spring being located between the sealing ball body and the first sealing ring;

[0010] A sealing ring is arranged on the inner wall of the V-shaped memory spring, and the sealing ball body and the first sealing ring are further connected tightly through the sealing ring.

[0011] Preferably, the first sealing ring is provided with a mounting ring on the side away from the V-shaped memory spring, and the first sealing ring is connected with the valve seat through the mounting ring.

[0012] Preferably, the inner wall of the valve seat is fixedly connected with a socket, and one side of the mounting ring is provided with a plug block matched with the socket.

[0013] Preferably, a second sealing ring is arranged between the first sealing ring and the mounting ring, and the second sealing ring is used for further increasing the connection sealing property between the sealing ball body and the valve seat.

[0014] Preferably, a group of mounting seats for connecting the soft sealing ball valve body with the conveying pipeline are arranged at both ends of the soft sealing ball valve body.

[0015] Preferably, a connecting pipe is arranged on the outer wall of the soft sealing ball valve body, and a valve handle for controlling the rotation of the sealing ball body is arranged on the top end face of the connecting pipe.

[0016] Preferably, the caliber of the opening is equal to the inner diameter of the valve seat.

[0017] The soft sealing ball valve has the following beneficial effects: the soft sealing ball valve is provided with a protection mechanism on the outer wall of the first sealing ring arranged on one side of the valve seat, when the opening arranged on the outer wall of the sealing ball body does not completely correspond to the through hole at the valve seat, that is, when the partial position of the opening corresponds to the first sealing ring arranged on the outer wall of the valve seat, the particles in the sewage can be prevented from directly impacting the first sealing ring under the action of the impact force, so that the service life of the first sealing ring is effectively prolonged, and the sealing property of the soft sealing ball valve in the use process is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0019] Figure 1 It is a general structure schematic diagram of the present application.

[0020] Figure 2 It is the sectional view of the internal structure of the soft sealing ball valve body of the utility model;

[0021] Figure 3 It is the explosion view of the valve seat and the first sealing ring connecting structure of the utility model;

[0022] Figure 4 It is the schematic view of the mounting ring and the plug structure of the utility model;

[0023] Figure 5 It is the schematic view of the V-shaped memory elastic sheet and the sealing ring structure of the utility model.

[0024] In the figure: 1, soft sealing ball valve body; 101, mounting seat; 102, connecting pipe; 103, valve handle; 2, sealing ball body; 201, opening; 3, valve seat; 301, first sealing ring; 4, protection mechanism; 401, V-shaped memory elastic sheet; 402, sealing ring; 403, second sealing ring; 404, mounting ring; 405, plug; 406, socket. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model more clear, the technical scheme in the embodiments of the utility model is described clearly and completely, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] The application embodiment provides a kind of soft sealing ball valve, realize the protection of the outer wall soft sealing material of valve seat.

[0027] In order to better understand the above technical scheme, the above technical scheme will be described in detail in conjunction with the drawings and specific embodiments of the specification.

[0028] The utility model embodiment discloses a kind of soft sealing ball valve.

[0029] According to the drawings Figures 1-5As shown, the device includes a soft-seal ball valve body 1, a sealing ball body 2 disposed inside the soft-seal ball valve body 1, an opening 201 on the outer wall of the sealing ball body 2, and a valve seat 3 for sealing the sealing ball body 2 with the inner wall of the soft-seal ball valve body 1. The outer wall of the valve seat 3 is provided with a first sealing ring 301. Through the valve seat 3 and the soft-material first sealing ring 301, when the opening 201 on the outer wall of the sealing ball body 2 does not correspond to the through hole on the outer wall of the valve seat 3, the valve seat 3 and the first sealing ring 301 can seal the connection between the valve seat 3 and the sealing ball body 2, preventing internal communication between the two sets of conveying pipes. The opening 201 on the outer wall of the sealing ball body 2 does not correspond to the opening 201 on the outer wall of the valve seat 3. The soft-seal ball valve, model Q41F, consists of a body 1, a sealing ball body 2, a valve seat 3, a first sealing ring 301, a connecting pipe 102, and a valve handle 103, with the same diameter as the inner diameter of the valve seat 3. In use, both ends of the soft-seal ball valve body 1 are connected to a set of conveying pipelines. The flow rate of the conveying pipeline is controlled by adjusting the connection position between the opening 201 of the sealing ball body 2 and the valve seat 3. When the sealing ball body 2 rotates 90 degrees, its opening 201 corresponds to the through hole on the outer wall of the valve seat 3, at which point the flow rate of the conveying pipeline is at its maximum. When the rotation angle of the sealing ball body 2 is less than 90 degrees, the flow rate of the conveying pipeline gradually decreases.

[0030] Both ends of the soft-seal ball valve body 1 are provided with a set of mounting seats 101 for connecting the soft-seal ball valve body 1 to the conveying pipeline. The outer wall of the soft-seal ball valve body 1 is provided with a connecting pipe 102, and the top end face of the connecting pipe 102 is provided with a valve handle 103 for controlling the rotation of the sealing ball body 2.

[0031] The outer wall of the first sealing ring 301 is provided with a protective mechanism 4. When the rotation angle of the sealing ball body 2 is less than 90 degrees, the opening 201 does not completely correspond to the through hole at the valve seat 3, for example, refer to the attached diagram. Figure 2 At this time, part of the opening 201 corresponds to the first sealing ring 301 set on the outer wall of the valve seat 3. Therefore, by setting the protective mechanism 4, the particles in the sewage will not directly contact the first sealing ring 301 during the sewage transportation process, effectively extending the service life of the first sealing ring 301. The protective mechanism 4 includes a V-shaped memory spring 401, which is connected to the outer wall of the first sealing ring 301. The V-shaped memory spring 401 is located between the sealing ball body 2 and the first sealing ring 301. The sealing ring 402 is set on the inner wall of the V-shaped memory spring 401, which further increases the tightness of the connection between the sealing ball body 2 and the first sealing ring 301.

[0032] A mounting ring 404 is provided on the side of the first sealing ring 301 away from the V-shaped memory spring 401. The first sealing ring 301 is connected to the valve seat 3 through the mounting ring 404. A socket 406 is fixedly connected to the inner wall of the valve seat 3. A plug 405 adapted to the socket 406 is provided on one side of the mounting ring 404. A second sealing ring 403 is provided between the first sealing ring 301 and the mounting ring 404. The second sealing ring 403 is used to further increase the sealing performance between the sealing ball body 2 and the valve seat 3.

[0033] In summary, this soft-seal ball valve, by providing a protective mechanism 4 on the outer wall of the first sealing ring 301 on one side of the valve seat 3, can prevent particles in sewage from directly impacting the first sealing ring 301 under impact force when the opening 201 on the outer wall of the sealing ball body 2 does not completely correspond to the through hole at the valve seat 3, that is, when part of the opening 201 corresponds to the first sealing ring 301 on the outer wall of the valve seat 3. This effectively extends the service life of the first sealing ring 301 and ensures the sealing performance of the soft-seal ball valve during use.

[0034] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A soft-seal ball valve, comprising a soft-seal ball valve body (1), a sealing ball body (2) disposed inside the soft-seal ball valve body (1), an opening (201) formed on the outer wall of the sealing ball body (2), and a valve seat (3) for sealing the sealing ball body (2) with the inner wall of the soft-seal ball valve body (1), wherein the outer wall of the valve seat (3) is provided with a first sealing ring (301), characterized in that, The outer wall of the first sealing ring (301) is provided with a protective mechanism (4), the protective mechanism (4) comprising: A V-shaped memory spring (401) is connected to the outer wall of the first sealing ring (301), and the V-shaped memory spring (401) is located between the sealing ball body (2) and the first sealing ring (301); A sealing ring (402) is disposed on the inner wall of the V-shaped memory spring (401), which further increases the tightness of the connection between the sealing ball body (2) and the first sealing ring (301).

2. A soft-seal ball valve according to claim 1, characterized in that: The first sealing ring (301) is provided with an installation ring (404) on the side away from the V-shaped memory spring (401), and the first sealing ring (301) is connected to the valve seat (3) through the installation ring (404).

3. A soft-seal ball valve according to claim 2, characterized in that: The inner wall of the valve seat (3) is fixedly connected to a socket (406), and a plug (405) adapted to the socket (406) is provided on one side of the mounting ring (404).

4. A soft-seal ball valve according to claim 3, characterized in that: A second sealing ring (403) is provided between the first sealing ring (301) and the mounting ring (404). The second sealing ring (403) is used to further increase the sealing performance between the sealing ball body (2) and the valve seat (3).

5. A soft-seal ball valve according to claim 1, characterized in that: Both ends of the soft-seal ball valve body (1) are provided with a set of mounting seats (101) for connecting the soft-seal ball valve body (1) to the conveying pipeline.

6. A soft-seal ball valve according to claim 1, characterized in that: The outer wall of the soft-seal ball valve body (1) is provided with a connecting pipe (102), and the top end face of the connecting pipe (102) is provided with a valve handle (103) for controlling the rotation of the sealing ball body (2).

7. A soft-seal ball valve according to claim 1, characterized in that: The diameter of the opening (201) is equal to the inner diameter of the valve seat (3).

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