Sewage discharge stop valve

Abstract

The utility model relates to the technical field of stop valves, and discloses a sewage discharge stop valve which comprises a valve body, a connecting frame is installed at the top of the valve body, a valve rod is arranged at the top of the connecting frame, extending blocks are fixedly connected to the four corners of the top of the valve body, springs are fixedly connected to the inner walls of the extending blocks, and the springs are fixedly connected to the inner walls of the extending blocks. A limiting block is fixedly connected to one side of the spring, a clamping block is fixedly connected to the end, away from the spring, of the limiting block, a sealing gasket is installed on the top of the valve body, clamping grooves are formed in the four sides of the outer portion of the connecting frame, the outer portion of the clamping block is clamped with the inner walls of the clamping grooves, and a connecting pipe is fixedly connected to one side of the valve body. According to the utility model, through the cooperation of the clamping blocks and the limiting blocks, the dismounting and mounting processes of the connecting frame and the valve body are simplified, the dismounting efficiency is improved, the manual operation time is shortened, and the clamping blocks can be automatically aligned and tightly fixed during mounting.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of stop valve especially relates to a blow-off stop valve. BACKGROUND

[0002] The stop valve is a kind of valve commonly used in pipeline system, is used to control the flow of fluid. Its main function is to control the opening and closing of valve clapper by rotating valve stem, to realize the on-off of fluid. Stop valve simple structure, good sealing performance, is suitable for the occasion needing accurate control flow. Common application fields include petroleum, chemical industry, water supply, heating and so on. Because of its good sealing and reliability, stop valve plays an important role in many industrial pipelines and controls.

[0003] The stop valve is composed of valve body, valve cover, valve stem, valve clapper, hand wheel and other main components. Its working principle is to rotate valve stem, make valve clapper perpendicular or parallel to pipeline center line, to control the flow of fluid. When valve stem rotates, the sealing action between valve clapper and valve seat can close or open flow passage, realize the cut-off or smooth of fluid. Stop valve is usually used in the occasion needing accurate flow control, is suitable for liquid, gas and steam pipeline system, has good sealing and convenient operation characteristics.

[0004] The valve cover of traditional stop valve is installed and connected by flange bolt, although this connecting mode has strong sealing and stability, but the dismounting efficiency is slow, and the bolt needs to be loosened one by one when dismounting, the process is cumbersome and time-consuming, especially when needing frequent maintenance, overhaul or replacing valve body component, it can increase downtime, affect overall working efficiency, therefore, a blow-off stop valve is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a blow-off stop valve, to improve the dismounting efficiency in prior art, and the bolt needs to be loosened one by one when dismounting, the process is cumbersome and time-consuming.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A blow-off stop valve, including valve body, the top of valve body is installed with connecting frame, the top of connecting frame is provided with valve stem, the top of valve body is fixedly connected with extension block at four corners, the inner wall of extension block is fixedly connected with spring, the side of spring is fixedly connected with limiting block, the end, away from spring of limiting block, is fixedly connected with clamping block, the top of valve body is installed with sealing pad, the outside of connecting frame is provided with clamping groove on four sides, the outside of clamping block is engaged with the inner wall of clamping groove, the side of valve body is fixedly connected with connecting pipe, the top of connecting pipe is fixedly connected with driving assembly.

[0008] As a further description of the above technical solutions:

[0009] The driving assembly comprises a fixed block, the bottom of the fixed block is fixedly connected to the top of the connecting pipe, the front end of the fixed block is rotationally connected with a control rod, one side of the control rod is fixedly connected with a driving gear, the inner wall of the connecting pipe is fixedly connected with a fixed ring, the inner wall of the fixed ring is rotationally connected with a driven gear, and the driving gear and the driven gear are in meshing connection.

[0010] As a further description of the above technical solutions:

[0011] One side of the driven gear is fixedly connected with a connecting plate, and one side of the connecting plate is fixedly connected with a cleaning brush.

[0012] As a further description of the above technical solutions:

[0013] The inner wall of the connecting pipe is fixedly connected with a filter screen, and one side of the cleaning brush is in contact with one side of the filter screen.

[0014] As a further description of the above technical solutions:

[0015] The outer part of the driving gear is rotationally connected to the inner wall of the fixed block, and the control rod is a hexagonal bolt.

[0016] As a further description of the above technical solutions:

[0017] The top of the clamping block is provided with a rounded corner, and the outer part of the clamping block is slidingly connected to one side of the extension block.

[0018] As a further description of the above technical solutions:

[0019] The outer part of the limiting block is slidingly connected to the inner wall of the extension block, and the top of the sealing gasket is in contact with the bottom of the connecting frame.

[0020] As a further description of the above technical solutions:

[0021] A plurality of extension blocks are uniformly distributed on the top of the valve body, and one side of the connecting pipe is provided with a conveying pipe.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1. The utility model discloses a simple and convenient to dismount and install, improves the dismounting efficiency, reduces the manual operation time, and the clamping block can be automatically aligned and tightly fixed during installation, effectively avoids the problem of slow dismounting and complicated operation under the traditional flange connection mode, simultaneously, the cooperation of spring and limiting block makes the clamping block can reset quickly, ensures the connection firm, improves the sealing property and stability of valve body and connecting frame, reduces the time loss during maintenance and replacement, enhances the operation convenience and work efficiency of equipment.

[0024] 2. The utility model discloses a control lever and gear transmission system, realize the function of automatic cleaning filter screen, utilize the rotation of control lever to drive driving gear and driven gear meshing, make cleaning brush can rotate automatically, clean the surface of filter screen, effectively remove the attached impurity, avoid the problem of filter screen blockage, through this way, not only reduce the frequency and labor intensity of manual cleaning, can also ensure that the equipment continues stable operation, prolong the service life of filter screen, improve the efficiency of sewage treatment and the degree of automation of system. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic view of a blowdown stop valve provided by the utility model;

[0026] Figure 2 It is a structure schematic view of a sealing gasket of a blowdown stop valve provided by the utility model;

[0027] Figure 3 It is Figure 2 It is an enlarged view of A in the middle;

[0028] Figure 4 It is a structure schematic view of a cleaning brush of a blowdown stop valve provided by the utility model.

[0029] Legend:

[0030] 1, valve body;2, connecting frame;3, valve stem;4, extension block;5, spring;6, limiting block;7, clamping block;8, sealing gasket;9, clamping groove;10, connecting pipe;11, fixed block;12, control lever;13, driving gear;14, fixed ring;15, driven gear;16, connecting plate;17, cleaning brush;18, filter screen. DETAILED DESCRIPTION

[0031] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] With reference to Figures 1 to 3 The utility model provides an embodiment: a blowdown stop valve, including valve body 1, the top of valve body 1 is installed with connecting frame 2, the top of connecting frame 2 is provided with valve stem 3, the design of valve stem 3 makes the operator can pass through simple rotation or pull and control the switch state of valve, ensure that the blowdown process is smooth and efficient, the top of valve body 1 four corners are all fixedly connected with extension block 4, the structure of extension block 4 provides additional support, strengthens the stability of valve body 1, and is convenient for the installation of other components, the inner wall of extension block 4 is fixedly connected with spring 5, the existence of spring 5 provides the elasticity support for the whole structure, helps to reduce the damage of mechanical impact to valve body 1, the side of spring 5 is fixedly connected with limiting block 6, limiting block 6 plays the displacement of limiting spring 5, guarantees that it will not appear excessive compression or stretching in working condition, prolongs the service life of spring 5, the end away from spring 5 of limiting block 6 is fixedly connected with clamping block 7, the design of clamping block 7 makes it can keep stable and unmoved in work, and also can effectively with the locking of the rest of valve body 1.

[0033] The top of clamping block 7 is provided with round angle, and the round angle design reduces the abrasion, effectively reduces the jamming phenomenon when installing and disassembling, is convenient for future maintenance, the outside of clamping block 7 is slidably connected on the side of extension block 4, this structure can make clamping block 7 can slide freely when needed, so as to realize the quick separation and reconnection with valve body 1, the top of valve body 1 is installed with sealing pad 8, the existence of sealing pad 8 ensures that there is no leakage in the whole blowdown process, thereby preventing the pollution to the environment, the outside of limiting block 6 is slidably connected on the inner wall of extension block 4, this design makes limiting block 6 can keep stable when the operation of valve body 1, ensures the safe operation of system, the top of sealing pad 8 and the bottom of connecting frame 2 are in contact, and the sealing effect is good, can effectively prevent sewage from leaking to the outside of valve body 1, protect the surrounding environment and equipment, the outside four sides of connecting frame 2 are all provided with clamping groove 9, these clamping grooves 9 provide good matching for the positioning of clamping block 7, so that the operation of valve is more flexible.

[0034] The outer part of the clamping block 7 is clamped with the inner wall of the clamping groove 9. Through this locking mode, after the clamping block 7 is fixed with the connecting frame 2, the valve body 1 can be ensured to be tightly combined with the connecting frame 2. The valve body 1 is fixedly connected with a connecting pipe 10 on one side. The connecting pipe 10 serves as a fluid passage, so that the sewage can smoothly enter the valve body 1 for subsequent treatment. The plurality of extension blocks 4 are uniformly distributed on the top of the valve body 1. The distribution design optimizes the carrying capacity of the valve body 1, and at the same time leaves space for the layout of other additional components. The connecting pipe 10 is provided with a conveying function on one side, so that the sewage treated by the valve body 1 can be smoothly conveyed to the designated position, improving the use efficiency of the system.

[0035] Reference Figure 2 And Figure 4 The top of the connecting pipe 10 is fixedly connected with a driving assembly. The driving assembly provides a power source for cleaning and maintenance. The driving assembly comprises a fixed block 11, the bottom of the fixed block 11 is fixedly connected to the top of the connecting pipe 10, which provides a stable foundation for the entire driving device. The front end of the fixed block 11 is rotatably connected with a control rod 12. The rotation of the control rod 12 can directly control the working state of the equipment, which is convenient for the use of the operator. One side of the control rod 12 is fixedly connected with a driving gear 13. The driving gear 13 is engaged with a driven gear 15, which provides power transmission for the entire cleaning and filtering system.

[0036] The inner wall of the connecting pipe 10 is fixedly connected with a fixed ring 14. The fixed ring 14 can effectively reduce the friction during the operation of the gear, improving the operation efficiency of the system. The inner wall of the fixed ring 14 is rotatably connected with the driven gear 15. The design of the driven gear 15 ensures that the movement of the driving gear 13 can be effectively transmitted, further improving the working quality. The driving gear 13 is engaged with the driven gear 15. Through the close meshing, the rotation process can be stable and efficient. At this time, one side of the driven gear 15 is fixedly connected with a connecting plate 16. The connection between the connecting plate 16 and the cleaning brush 17 provides the basis for cleaning operation and guarantees the normal work of the filter screen 18. One side of the connecting plate 16 is fixedly connected with the cleaning brush 17. The cleaning brush 17 continuously cleans the filter screen 18 during the operation of the system, reducing the incidence of blockage and ensuring the efficiency and smoothness of the sewage discharge. The inner wall of the connecting pipe 10 is fixedly connected with a filter screen 18. The existence of the filter screen 18 effectively blocks the large particles in the sewage, ensuring the safe work of the subsequent system.

[0037] The side of the cleaning brush 17 is in contact with the side of the filter screen 18, and through the continuous cleaning of the cleaning brush 17, the smoothness of the filter screen 18 is ensured, so as to avoid the malfunction and stagnation that may occur in the sewage treatment system, the outer rotation of the driving gear 13 is connected to the inner wall of the fixed block 11, the strong design reduces the gap between the components, thereby improving the accuracy of the overall operation, the control rod 12 is a hexagonal bolt, which can be adjusted by a simple tool, and is convenient for daily maintenance and maintenance.

[0038] Working principle: when the equipment needs to be used, the sewage is sent into the valve body 1 through the connecting pipe 10, at this time the sewage will be filtered through the filter screen 18, and the surface of the filter screen 18 will be attached with impurities and cause blockage after a long time of filtering, at this time the control rod 12 is rotated by means of a tool, and the rotation of the control rod 12 can drive the driving gear 13 to rotate, and the rotation of the driving gear 13 can engage the driven gear 15 to rotate, at this time the rotation of the driven gear 15 can drive the connecting plate 16 to make the cleaning brush 17 rotate, so that the surface of the filter screen 18 can be cleaned under the rotation of the cleaning brush 17, avoiding the blockage of the filter screen 18;

[0039] When the connecting frame 2 needs to be disassembled, the limiting block 6 is moved by pushing the clamping block 7, and the spring 5 is extruded under the movement of the limiting block 6, at this time the clamping block 7 can be retracted into the inside of the extension block 4, at this time the connecting frame 2 and the valve body 1 can be separated, when installation is needed, the connecting frame 2 and the valve body 1 are aligned and moved towards the side, at this time the clamping block 7 abuts against the inner wall of the connecting frame 2, thereby retracting into the inside of the extension block 4, at this time the sealing gasket 8 is extruded under the approach of the valve body 1 and the connecting frame 2, and when appropriate, the spring 5 releases the elastic potential to push the limiting block 6 to drive the clamping block 7 to reset, so that the clamping block 7 is clamped with the inner wall of the clamping groove 9, and the installation is completed.

[0040] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A blowdown stop valve comprising a valve body (1), characterized in that: The top of the valve body (1) is provided with a connecting frame (2), the top of the connecting frame (2) is provided with a valve rod (3), the top of the valve body (1) is fixedly connected with an extension block (4) at four corners, the inner wall of the extension block (4) is fixedly connected with a spring (5), one side of the spring (5) is fixedly connected with a limiting block (6), the end of the limiting block (6) away from the spring (5) is fixedly connected with a clamping block (7), the top of the valve body (1) is provided with a sealing gasket (8), the outer four sides of the connecting frame (2) are provided with clamping grooves (9), the outer part of the clamping block (7) is clamped with the inner wall of the clamping groove (9), one side of the valve body (1) is fixedly connected with a connecting pipe (10), the top of the connecting pipe (10) is fixedly connected with a driving assembly.

2. A waste gate valve according to claim 1, wherein: The driving assembly comprises a fixed block (11), the bottom of the fixed block (11) is fixedly connected to the top of the connecting pipe (10), the front end of the fixed block (11) is rotatably connected with a control rod (12), one side of the control rod (12) is fixedly connected with a driving gear (13), the inner wall of the connecting pipe (10) is fixedly connected with a fixed ring (14), the inner wall of the fixed ring (14) is rotatably connected with a driven gear (15), the driving gear (13) and the driven gear (15) are in meshing connection.

3. A waste gate valve according to claim 2, wherein: One side of the driven gear (15) is fixedly connected with a connecting plate (16), one side of the connecting plate (16) is fixedly connected with a cleaning brush (17).

4. A blowdown stop valve according to claim 3, wherein: The inner wall of the connecting pipe (10) is fixedly connected with a filter screen (18), one side of the cleaning brush (17) is in contact with one side of the filter screen (18).

5. A waste gate valve according to claim 2, wherein: The outer part of the driving gear (13) is rotatably connected to the inner wall of the fixed block (11), the control rod (12) is a hexagonal bolt.

6. A waste gate valve according to claim 1, wherein: The top of the clamping block (7) is provided with a rounded corner, the outer part of the clamping block (7) is slidably connected to one side of the extension block (4).

7. A waste gate valve according to claim 1, wherein: The outer part of the limiting block (6) is slidably connected to the inner wall of the extension block (4), the top of the sealing gasket (8) is in contact with the bottom of the connecting frame (2).

8. A waste gate valve according to claim 1, wherein: A plurality of extension blocks (4) are evenly distributed on the top of the valve body (1), one side of the connecting pipe (10) is provided with a conveying pipe.

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