Sewage pipeline block valve
By employing a dual-cylinder and return spring co-drive structure and a multi-layer sealing assembly, the problems of insufficient power and poor sealing in traditional shut-off valves are solved, achieving efficient and stable transportation of waste and linens.
Patent Information
- Application Number
- CN202520466233.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Traditional single-cylinder driven shut-off valves have limited power, making it difficult to quickly and forcefully actuate the valve disc, which affects the conveying efficiency of waste and linens; motor-driven structures are complex, energy-intensive, and lack stability, and are easily affected by dust and moisture.
The valve employs a dual-cylinder and return spring co-drive structure, combined with a multi-layer composite sealing assembly, including PTFE gaskets, rubber sealing layers, and metal sealing rings, to ensure rapid valve response and sealing performance.
It improves system efficiency, reduces valve energy consumption, enhances sealing, prevents gas leakage and odor emission, and is suitable for pneumatic waste and clothing collection systems.
Smart Images
Figure CN223708588U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the pneumatic conveying equipment technical field, concretely relates to a sewage pipeline cut -off valve. BACKGROUND
[0002] In the pneumatic garbage and clothing collection system, the cut -off valve bears the key task of controlling the pipeline air flow and plays a decisive role in the smooth operation of the system.
[0003] However, the cut -off valve on the market has many drawbacks. The traditional single cylinder driven cut -off valve has limited power, and it is difficult to quickly and powerfully push the valve to act when facing large pipe diameter pipeline and high air pressure, resulting in slow opening and closing of the valve, which seriously affects the transportation efficiency of garbage and clothing. Although the motor drive has strong power, the structure is complex, the energy consumption is high, the maintenance difficulty is big, and in the complex environment of the garbage and clothing collection system, the motor is easy to be disturbed by dust and moisture, and the stability is poor. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a sewage pipeline cut -off valve to solve the problem of the traditional single cylinder driven cut -off valve with limited power, which is difficult to quickly and powerfully push the valve to act when facing large pipe diameter pipeline and high air pressure, resulting in slow opening and closing of the valve, which seriously affects the transportation efficiency of garbage and clothing. Although the motor drive has strong power, the structure is complex, the energy consumption is high, the maintenance difficulty is big, and in the complex environment of the garbage and clothing collection system, the motor is easy to be disturbed by dust and moisture, and the stability is poor.
[0005] To achieve the above object, the utility model provides the following technical scheme: a sewage pipeline cut -off valve, including valve body and the valve cover installed on the surface of valve body, the surface of valve cover is provided with mounting hole, and the mounting hole in valve cover is fixed with discharge pipe, and the outer wall of one side of valve cover is installed with sealing assembly matched with discharge pipe, two positioning skeletons are installed in the valve body, and the outer wall of one side of positioning skeleton is installed with air cylinder, the end surface of the drive rod of air cylinder is fixed with the connecting block movably connected with valve body, and the outer wall of one side of connecting block is fixed with valve disc.
[0006] In further embodiments, a limiting hole is formed in the connecting block, and a limiting column fixedly connected with the valve body and the positioning skeleton is movably connected in the limiting hole of the connecting block, and the limiting column is sleeved with a reset spring for supporting the connecting block.
[0007] In further embodiments, the sealing assembly is composed of a polytetrafluoroethylene sealing ring, a rubber sealing layer and a metal sealing ring, and the rubber sealing layer is fixed between the polytetrafluoroethylene sealing ring and the metal sealing ring.
[0008] In further embodiments, one side outer wall of the valve body is provided with an inlet corresponding to the position of the discharge pipe, and the outside of the inlet is provided with a limiting frame fixedly connected with the valve body.
[0009] In further embodiments, the surface of the valve cover is provided with a mounting groove, and a detection window is mounted in the mounting groove of the valve cover.
[0010] The technical effects and advantages of the present application are as follows:
[0011] The sewage pipeline shut-off valve has a double-cylinder and reset spring cooperative driving structure, is powerful and responds quickly, greatly improves system working efficiency, and simultaneously reduces the valve volume, and is convenient for installation and use in space-limited places.
[0012] The sealing assembly with the multi-layer composite structure ensures that the shut-off valve is well sealed under complex working conditions, effectively prevents gas leakage and odor emission, reduces energy consumption, protects the environment and personnel health, the sewage pipeline shut-off valve has high efficiency and excellent sealing, is suitable for a pneumatic type garbage clothing collection system and similar scenes, and effectively improves system operation efficiency and stability. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.
[0014] Figure 1 It is a structural schematic diagram of the present application;
[0015] Figure 2 It is a structural schematic diagram of the present application without valve cover;
[0016] Figure 3 It is a structural schematic diagram of the sealing assembly of the present application;
[0017] Figure 4 It is a structural schematic diagram of the present application; Figure 2 It is an enlarged view of A in the middle.
[0018] In the figure: 1, valve body; 2, valve cover; 3, discharge pipe; 4, sealing assembly; 5, polytetrafluoroethylene sealing gasket; 6, rubber sealing layer; 7, metal sealing ring; 8, limiting frame; 9, positioning framework; 10, air cylinder; 11, connecting block; 12, valve flap; 13, limiting column; 14, reset spring; 15, detection window. DETAILED DESCRIPTION
[0019] In the following description, numerous specific details are set forth to provide a more thorough understanding of the present application. However, it will be apparent to one of ordinary skill in the art that the present application can be practiced without one or more of these details. In other instances, well-known features have not been described in order to avoid obscuring the present application.
[0020] Unless the context clearly requires otherwise, throughout the description, the
[0021] The utility model provides a kind of sewage pipeline cut-off valve as shown in Figures 1-4 The utility model provides a kind of sewage pipeline cut-off valve as shown in
[0022] The outer wall of one side of the valve body 1 is provided with a feeding port corresponding to the position of the discharge pipe 3, and the outer portion of the feeding port is provided with a limiting frame 8 fixedly connected with the valve body 1 through bolts, two positioning skeletons 9 are symmetrically installed in the valve body 1 through bolts, and the outer wall of one side of the positioning skeleton 9 is provided with a gas cylinder 10 installed through bolts, the end surface of the driving rod of the gas cylinder 10 is welded with a connecting block 11 movably connected with the valve body 1, the outer wall of one side of the connecting block 11 is fixedly provided with a valve clack 12, the connecting block 11 is provided with a limiting hole, and the limiting hole of the connecting block 11 is movably connected with a limiting column 13 fixedly connected with the valve body 1 and the positioning skeleton 9, and the outer portion of the limiting column 13 is sleeved with a reset spring 14 for supporting the connecting block 11, when the compressed air drives the gas cylinder 10, the double gas cylinders 10 provide strong driving force, so that the valve clack 12 is rapidly opened and closed, when the gas supply of the gas cylinder 10 is stopped, the reset spring 14 can quickly reset the valve clack 12, further accelerating the closing speed of the valve, and to a certain extent, assisting the work of the gas cylinder 10, reducing the energy consumption of the gas cylinder 10, the surface of the valve cover 2 is provided with a mounting groove, and the mounting groove of the valve cover 2 is provided with a detection window 15, the material of the detection window 15 is tempered glass or high-strength organic glass, the detection window 15 is convenient for the operator to directly observe the internal state of the valve, so that problems can be found in time and maintenance can be carried out, the maintenance efficiency is improved, and the stable operation of the equipment is ensured.
[0023] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail herein, and the control mode of the utility model is controlled by a controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art, and the contents not described in detail in the description belong to the prior art known by the person skilled in the art.
[0024] In the description of the utility model, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model 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 utility model.
[0025] Working principle:
[0026] The sewage pipeline cutoff valve is installed at a suitable position of the pipeline during use, when the cutoff valve needs to be opened, two gas cylinders 10 are started at the same time, two connecting blocks 11 are driven to move at the same time, the sealing of the valve clack 12 to the discharge pipe 3 is released, and the connecting block 11 is compressed against the reset spring 14, and air flows in the pipeline.
[0027] When it is needed to close the cut-off valve, the compressed air supply to the cylinder 10 is stopped, the reset spring 14 is reset, the connecting block 11 is pushed to move, and then the piston rod of the cylinder 10 is retracted, the valve disc 12 is gradually closed to block the gas flow in the pipeline, in this process, the reset spring 14 not only can quickly reset the valve disc 12, but also to a certain extent, assists the work of the cylinder 10, reduces the energy consumption of the cylinder 10 when closing the cut-off valve.
[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A waste pipe shut-off valve comprising a valve body (1) and a bonnet (2) mounted to the surface of the valve body (1), characterised in that: The surface of the valve cover (2) is provided with a mounting hole, and a discharge pipe (3) is fixed in the mounting hole of the valve cover (2), and a sealing assembly (4) matched with the discharge pipe (3) is mounted on the outer wall of one side of the valve cover (2), two positioning skeletons (9) are symmetrically mounted in the valve body (1), and a gas cylinder (10) is mounted on the outer wall of one side of the positioning skeleton (9), a connecting block (11) movably connected with the valve body (1) is fixed on the end surface of the driving rod of the gas cylinder (10), and a valve clack (12) is fixed on the outer wall of one side of the connecting block (11).
2. A waste pipe shut off valve according to claim 1, characterised in that: A limiting hole is formed in the connecting block (11), and a limiting column (13) fixedly connected with the valve body (1) and the positioning skeleton (9) is movably connected in the limiting hole of the connecting block (11), and a reset spring (14) for supporting the connecting block (11) is sleeved on the outside of the limiting column (13).
3. A waste line shut-off valve according to claim 1, wherein: The sealing assembly (4) is composed of a polytetrafluoroethylene sealing ring (5), a rubber sealing layer (6) and a metal sealing ring (7), and the rubber sealing layer (6) is fixed between the polytetrafluoroethylene sealing ring (5) and the metal sealing ring (7).
4. A waste line shut-off valve according to claim 1, wherein: A feeding port corresponding to the position of the discharge pipe (3) is formed in the outer wall of one side of the valve body (1), and a limiting frame (8) fixedly connected with the valve body (1) is arranged outside the feeding port.
5. A waste line shut-off valve according to claim 1, wherein: A mounting groove is formed in the surface of the valve cover (2), and a detection window (15) is mounted in the mounting groove of the valve cover (2).