Anti-blocking valve

Abstract

The utility model relates to an anti-blocking valve, which belongs to the technical field of valves and comprises a valve body and a mounting shell, an electric actuator is mounted in the mounting shell, an output shaft is fixedly mounted at the output end of the electric actuator, and a valve core component is arranged on the inner side of the valve body; the valve element assembly comprises a mounting cover plate, the mounting cover plate is clamped to the bottom of the valve body, a valve element extending into the valve body is arranged at the top of the mounting cover plate, a rotating shaft extending into the mounting cover plate is fixedly connected to the bottom of the valve element, and a positioning shaft extending into the output shaft is fixedly connected to the top of the valve element. Two limiting assemblies are arranged between the mounting cover plate and the valve body, and the two limiting assemblies are located on the two sides of the mounting cover plate correspondingly. The anti-blocking valve is convenient to clean and maintain and high in practicability, and the problem that in the cleaning process of an existing valve, a valve element is inconvenient to disassemble quickly, and consequently cleaning and maintaining are inconvenient is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely is a kind of anti-clogging valve. BACKGROUND

[0002] Valve is generally installed in fluid delivery system, for controlling air, water, steam, various corrosive media, slurry, oil, liquid metal and radioactive medium and the flow of various types of fluid, specifically for opening and closing pipeline, control flow direction, adjust and control the parameter (pressure, flow etc.) of pipeline accessory of conveying medium, valve from the most simple stop valve to the various valves used in extremely complex automatic control system, its variety and specification are quite numerous, valve mainly includes valve body, valve stem and valve core, valve body is used to connect with fluid delivery pipeline, valve stem penetrates the side wall of valve body, and is rotatably connected with side wall, valve core is arranged in valve body, is installed at the bottom end of valve stem, valve stem drives valve core to rotate or move, to change the flow area of valve body, to achieve the effect of adjusting flow.

[0003] But many valves after a period of use, there will be sediment on valve core, especially when conveying particulate, deposition phenomenon will be more serious, sediment will affect the flow speed of fluid, serious will cause blockage, need to clean up the blocked position, affect fluid delivery efficiency. The existing valve is not convenient for quick disassembly of valve core in the process of cleaning, leading to inconvenient cleaning and maintenance, need to be improved, so a kind of anti-clogging valve is proposed to solve the problems in the above. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides an anti-clogging valve, has the advantages of convenient disassembly and cleaning, solves the problem of inconvenient quick disassembly of valve core in the process of cleaning of the existing valve, leading to inconvenient cleaning and maintenance.

[0005] To achieve the above object, the utility model provides the following technical scheme: an anti-clogging valve, including valve body and installation shell, the inside of installation shell is installed with electric actuator, the output end of electric actuator is fixedly installed with output shaft, the inside of valve body is provided with valve core assembly;

[0006] The valve core assembly includes installation cover plate, the installation cover plate is clamped to the bottom of valve body, the top of installation cover plate is provided with valve core extending to the inside of valve body, the bottom of valve core is fixedly connected with rotating shaft extending to the inside of installation cover plate, the top of valve core is fixedly connected with positioning shaft extending to the inside of output shaft;

[0007] Limiting assembly is arranged between the installation cover plate and valve body, the number of limiting assembly is two groups, two limiting assemblies are located at the two sides of installation cover plate respectively.

[0008] Further, the installation shell is located on the upper side of the valve body, and a mounting sheet is fixedly connected to the lower part of the installation shell and fixedly connected with the outer wall of the valve body.

[0009] Further, the limiting assembly comprises a fixed block fixedly connected to the outer wall of the valve body, a connecting ring fixedly connected to the inner part of the fixed block, a movable rod inserted into the inner side of the connecting ring, a support sheet fixedly connected to the end of the movable rod close to the installation cover plate, and a limiting rod fixedly connected to the outer side of the support sheet and inserted into the inner side of the installation cover plate.

[0010] Further, a sealing plate is fixedly installed between the valve body and the installation shell, the output shaft penetrates the inner side of the sealing plate, and the outer wall of the output shaft is connected with the sealing plate through a bearing.

[0011] Further, the rotating shaft is connected with the inner part of the installation cover plate through a bearing, the outer shape of the positioning shaft is in a rectangular shape, and a rectangular groove matched with the positioning shaft is formed in the inner part of the output shaft.

[0012] Further, the upper side of the installation cover plate is fixedly connected with an insertion block, the insertion block is inserted into the inner side of the valve body, and an insertion groove matched with the insertion block is formed in the inner side of the valve body.

[0013] Further, a spring is sleeved on the outer wall of the movable rod and located between the connecting ring and the support sheet.

[0014] Further, an adjusting block is fixedly connected to the outer wall of the limiting rod and extended to the outer side of the fixed block.

[0015] Compared with the prior art, the anti-blocking valve has the following beneficial effects:

[0016] The anti-blocking valve is driven to rotate by the output shaft and the positioning shaft, and the valve core is driven to rotate, so that the opening and closing of the valve can be adjusted. When the valve core needs to be cleaned, the adjusting block is pushed to drive the limiting rod to move, and the support sheet and the movable rod are driven to move, so that the limiting rod is separated from the installation cover plate, the installation cover plate is separated from the valve body, and the valve core is taken out, thereby facilitating the cleaning of the valve core. The cleaning and maintenance are convenient, the practicability is high, and the problem that the valve core cannot be quickly disassembled during cleaning in the prior art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a sectional view of the utility model structure;

[0018] Figure 2 It is the utility model Figure 1 The enlarged structure schematic view of A shown in the utility model;

[0019] Figure 3 It is a structure schematic view of the valve core of the utility model;

[0020] Figure 4 It is a structure front view of the utility model.

[0021] In the figure: 1, valve body; 2, installation shell; 3, installation piece; 4, electric actuator; 5, output shaft; 6, installation cover plate; 7, valve core; 8, rotating shaft; 9, positioning shaft; 10, plug; 11, fixed block; 12, connecting ring; 13, movable rod; 14, support piece; 15, limiting rod; 16, spring; 17, adjusting block; 18, sealing plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment one

[0024] Please refer to Figures 1 to 4 The utility model discloses a kind of anti-blocking valves in the embodiment, including valve body 1 and installation shell 2, installation shell 2 is located in the upper side of valve body 1, the lower part of installation shell 2 is fixedly connected with installation piece 3, installation piece 3 is fixedly connected with the outer wall of valve body 1, and electric actuator 4 is installed in the inside of installation shell 2, and the output end of electric actuator 4 is fixedly installed with output shaft 5.

[0025] Wherein, sealing plate 18 is fixedly installed between valve body 1 and installation shell 2, output shaft 5 penetrates the inside of sealing plate 18, and the outer wall of output shaft 5 is connected with sealing plate 18 by bearing.

[0026] In the embodiment, the inside of valve body 1 is provided with valve core assembly, valve core assembly includes installation cover plate 6, installation cover plate 6 is clamped to the bottom of valve body 1, the top of installation cover plate 6 is provided with valve core 7 extending to the inside of valve body 1, the bottom of valve core 7 is fixedly connected with rotating shaft 8 extending to the inside of installation cover plate 6, the top of valve core 7 is fixedly connected with positioning shaft 9 extending to the inside of output shaft 5, the inside of rotating shaft 8 and installation cover plate 6 is connected by bearing, the shape of positioning shaft 9 is rectangular, and the inside of output shaft 5 is provided with rectangular groove matched with positioning shaft 9, when positioning shaft 9 cooperates with output shaft 5, because positioning shaft 9 is rectangular, when output shaft 5 rotates, it can drive positioning shaft 9 to rotate synchronously, to drive valve core 7 to rotate, to facilitate the closure of the valve.

[0027] In the embodiment, the limiting assembly is arranged between the mounting cover plate 6 and the valve body 1, and the number of the limiting assembly is two groups, and the two limiting assemblies are located on the two sides of the mounting cover plate 6.

[0028] The upper side of the mounting cover plate 6 is fixedly connected with the plug 10, the plug 10 is inserted into the inner side of the valve body 1, and the inner side of the valve body 1 is provided with a plug groove matched with the plug 10.

[0029] Embodiment two

[0030] Please refer to Figure 1 and Figure 2 On the basis of the first embodiment, the limiting assembly comprises a fixed block 11 fixedly connected to the outer wall of the valve body 1, a connecting ring 12 fixedly connected to the inner side of the fixed block 11, a movable rod 13 inserted into the inner side of the connecting ring 12, a supporting piece 14 fixedly connected to one end of the movable rod 13 close to the mounting cover plate 6, and a limiting rod 15 fixedly connected to the outer side of the supporting piece 14 and inserted into the inner side of the mounting cover plate 6.

[0031] The outer wall of the movable rod 13 is sleeved with a spring 16, and the spring 16 is located between the connecting ring 12 and the supporting piece 14, so that the position of the limiting rod 15 can be elastically adjusted by the spring 16, and the outer wall of the limiting rod 15 is fixedly connected with an adjusting block 17, and the adjusting block 17 extends to the outer side of the fixed block 11, so that the position of the limiting rod 15 can be adjusted by the adjusting block 17.

[0032] The working principle of the above embodiment is as follows:

[0033] In use, the electric actuator 4 is started to drive the output shaft 5 to rotate, drive the positioning shaft 9 to rotate, and drive the valve core 7 to rotate, so as to facilitate the opening and closing of the valve, when the valve core 7 needs to be cleaned, the adjusting block 17 is pushed to drive the limiting rod 15 to move, and the supporting piece 14 and the movable rod 13 are driven to move, so that the limiting rod 15 is separated from the mounting cover plate 6, that is, the mounting cover plate 6 is separated from the valve body 1, so that the valve core 7 can be taken out and cleaned.

[0034] The mounting mode, the connecting mode or the setting mode disclosed in the embodiment are common mechanical modes, and as long as the beneficial effects can be achieved, the implementation can be carried out. It should be noted that in this paper, the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the application.

[0035] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0036] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A kind of anti-clogging valve, comprising valve body (1) and installation shell (2), the inside installation of installation shell (2) is equipped with electric actuator (4), the output end of electric actuator (4) is fixedly installed with output shaft (5), it is characterized by: The inner side of the valve body (1) is provided with a valve core assembly; The valve core assembly includes a mounting cover plate (6) which is clamped to the bottom of the valve body (1), the top of the mounting cover plate (6) is provided with a valve core (7) extending into the inside of the valve body (1), the bottom of the valve core (7) is fixedly connected with a rotating shaft (8) extending into the inside of the mounting cover plate (6), the top of the valve core (7) is fixedly connected with a positioning shaft (9) extending into the inside of the output shaft (5); The mounting cover plate (6) and the valve body (1) are provided with a limiting assembly, the number of the limiting assembly is two groups, and the two limiting assemblies are located on the two sides of the mounting cover plate (6).

2. A choke valve according to claim 1, wherein: The mounting shell (2) is located on the upper side of the valve body (1), and the lower part of the mounting shell (2) is fixedly connected with a mounting sheet (3), and the mounting sheet (3) is fixedly connected with the outer wall of the valve body (1).

3. A choke valve according to claim 1, wherein: The limiting assembly includes a fixed block (11) fixedly connected on the outer wall of the valve body (1), the inside of the fixed block (11) is fixedly connected with a connecting ring (12), the inner side of the connecting ring (12) is inserted with a movable rod (13), one end of the movable rod (13) close to the mounting cover plate (6) is fixedly connected with a supporting sheet (14), the outer side of the supporting sheet (14) is fixedly connected with a limiting rod (15), and the limiting rod (15) is inserted into the inside of the mounting cover plate (6).

4. A choke valve according to claim 1, wherein: The valve body (1) and the mounting shell (2) are fixedly provided with a sealing plate (18), the output shaft (5) penetrates the inside of the sealing plate (18), and the outer wall of the output shaft (5) is connected with the sealing plate (18) through a bearing.

5. A choke valve according to claim 1, wherein: The rotating shaft (8) and the inside of the mounting cover plate (6) are connected through a bearing, the shape of the positioning shaft (9) is rectangular, and the inside of the output shaft (5) is provided with a rectangular groove matched with the positioning shaft (9).

6. A choke valve according to claim 1, wherein: The upper side of the mounting cover plate (6) is fixedly connected with an insertion block (10), the insertion block (10) is inserted into the inside of the valve body (1), and the inside of the valve body (1) is provided with an insertion groove matched with the insertion block (10).

7. A choke valve according to claim 3, wherein: The outer wall of the movable rod (13) is sleeved with a spring (16), and the spring (16) is located between the connecting ring (12) and the supporting sheet (14).

8. A choke valve according to claim 3, wherein: The outer wall of the limiting rod (15) is fixedly connected with an adjusting block (17), and the adjusting block (17) extends to the outside of the fixed block (11).

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