Concrete conveying control valve

Abstract

The utility model relates to the technical field of control valves, in particular to a concrete conveying control valve which comprises a conveying main pipe, a connecting pipe, a control valve and a control valve. A control rod is in threaded connection with the interior of the control threaded pipe, and a sealing cover is arranged at one end of the control threaded pipe; the concrete conveying device has the beneficial effects that conveying of concrete can be controlled by rotating the control rod, due to the fact that one end of the control rod is clamped in the conveying pipeline in the conveying main pipe, opening and closing of the conveying pipeline are controlled, the whole device is divided into a plurality of module structures and is in threaded connection, and during disassembly, the sealing cover is rotated firstly, then the control rod is taken out of the control threaded pipe; and therefore, the problem that the valve body is inconvenient to disassemble and clean is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of control valves, in particular to a concrete delivery control valve. Background Art

[0002] The concrete delivery control valve plays a vital role in the concrete pumping system. Its performance directly affects the construction efficiency, quality and safety. The control valve can control and adjust the flow rate of concrete to ensure smooth delivery of concrete in the pipeline. However, as a concrete delivery valve, it may cause blockage after long-term use. Therefore, the inside of the control valve also needs to be cleaned regularly.

[0003] In the prior art, a conventional delivery control valve is mainly composed of a valve body, a valve, a sealing device, a fixing device and other structures, and the structure is integrated and cannot be disassembled.

[0004] However, when using, the traditional delivery control valve is inconvenient to disassemble due to its integral structure, and the interior of the valve body cannot be cleaned regularly. This may cause the valve body to be blocked after a long period of concrete delivery, which is not conducive to delivery. Therefore, the present utility model proposes a concrete delivery control valve to solve the above problem. Utility Model Content

[0005] The purpose of the present utility model is to provide a concrete delivery control valve to solve the problems raised in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical solution: a concrete delivery control valve, characterized in that: the concrete delivery control valve comprises: a delivery main pipe, a delivery pipe is opened in the delivery main pipe, and connecting pipes are provided at both ends of the delivery main pipe;

[0007] A control threaded tube is provided, wherein a control rod is threadedly connected in the control threaded tube, and a sealing cover is provided at one end of the control threaded tube.

[0008] Preferably, a threaded hole is opened on the outer wall surface of the conveying main pipe, a fixing pipe is fixedly connected just above the threaded hole, connecting pipes are fixedly connected at both ends of the conveying main pipe, and a connecting piece is provided at one end of the connecting pipe away from the conveying main pipe.

[0009] Preferably, the delivery pipe is in a "Z"-shaped structure as a whole, the delivery pipe passes through the delivery main pipe, the turning point of the delivery pipe is connected to the threaded hole, and connecting pipes are provided in front of the pipe openings at both ends of the delivery pipe.

[0010] Preferably, the control rod is fixedly connected to a control plug at one end close to the conveying main pipe, and a rotating disk is provided at the other end of the control rod. A threaded tube is fixedly sleeved on the outer wall of the control rod, and a threaded hole is screwed onto the outer side of the threaded tube.

[0011] Preferably, the control threaded tube is fixedly installed on the surface of the fixed tube, and the control threaded tube is located directly above the threaded hole, the internal thread of the control threaded tube is threadedly connected to the external thread of the threaded tube, a sealing groove is provided at the end of the control threaded tube away from the conveying main tube, a sealing ring is provided in the sealing groove, the sealing ring is sleeved on the surface of the control rod, and the control rod can move in the sealing ring, and several limit plates are fixedly connected to the outer wall of the end of the control threaded tube close to the conveying main tube, and threaded holes are provided on the surface of the limit plates.

[0012] Preferably, the sealing cover is sleeved on the surface of the control rod, and the internal thread of the sealing cover is threadedly connected to the external thread of the control threaded pipe. The outer wall of the sealing cover is provided with several clamping plates, and the surface of the clamping plates is provided with holes and threaded rods. The external thread of the threaded rod close to the conveying main pipe is threadedly connected to the threaded hole in the limit plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The concrete delivery control valve proposed in the present invention can control the delivery of concrete by rotating the control rod when in use. Since one end of the control rod is stuck in the delivery pipe in the delivery main pipe, the opening and closing of the delivery pipe can be controlled. The whole valve is divided into multiple module structures and connected by threads. When disassembling, the sealing cover can be rotated first, and then the control rod can be taken out from the control threaded pipe, thereby facilitating the disassembly of the entire valve body and avoiding the problem of inconvenience in disassembling and cleaning the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a cross-sectional view of the overall structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure of the control rod of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the sealing tube of the utility model.

[0019] In the figure: 1. Delivery main pipe; 2. Delivery pipeline; 3. Connecting pipe; 4. Control threaded pipe; 5. Control rod; 6. Sealing cover; 7. Fixed pipe; 8. Connecting piece; 9. Control plug; 10. Rotating disk; 11. Threaded pipe; 12. Sealing groove; 13. Sealing ring; 14. Clamping plate; 15. Threaded rod; 16. Limiting plate. DETAILED DESCRIPTION

[0020] In order to clearly and completely describe the purpose and technical solution of the present invention and make its advantages more clearly understood, the following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention and are not intended to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "one," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0023] For the purpose of simplicity and illustration, the principles of the embodiments are described primarily with reference to examples. In the following description, many specific details are provided to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring the understanding of these embodiments. In addition, all embodiments may be used in combination with each other.

[0024] Example 1: Please refer to Figures 1 to 4 The utility model provides a technical solution: a concrete delivery control valve, characterized in that: the concrete delivery control valve comprises: a delivery main pipe 1, a delivery pipe 2 is opened in the delivery main pipe 1, and connecting pipes 3 are provided at both ends of the delivery main pipe 1;

[0025] A control threaded tube 4, a control rod 5 is screwed into the control threaded tube 4, and a sealing cover 6 is provided at one end of the control threaded tube 4;

[0026] When in use, the delivery of concrete can be controlled by rotating the control rod 5. Since one end of the control rod 1 is stuck in the delivery pipe 2 in the delivery main pipe 1, the switch of the delivery pipe 2 is controlled. The whole is divided into multiple module structures and is connected by threads. When disassembling, the sealing cover 6 can be rotated first, and then the control rod 5 can be taken out from the control threaded pipe 4, thereby facilitating the disassembly of the entire valve body and avoiding the problem of inconvenience in disassembling and cleaning the valve body.

[0027] Embodiment 2: On the basis of embodiment 1, a control threaded tube 4 is provided to facilitate the overall disassembly. The control threaded tube 4 is fixedly mounted on the surface of the fixed tube 7, and the control threaded tube 4 is located directly above the threaded hole. The internal thread of the control threaded tube 4 is threadedly connected to the external thread of the threaded tube 11. A sealing groove 12 is provided at the end of the control threaded tube 4 away from the conveying main pipe 1. A sealing ring 13 is provided in the sealing groove 12. The sealing ring 13 is sleeved on the surface of the control rod 5. The control rod 5 can move in the sealing ring 13. A plurality of limit plates 16 are fixedly connected to the outer wall of the end of the control threaded tube 4 close to the conveying main pipe 1, and a threaded hole is provided on the surface of the limit plate 16.

[0028] The sealing cover 6 is sleeved on the surface of the control rod 5, and the internal thread of the sealing cover 6 is threadedly connected with the external thread of the control threaded pipe 4. The outer wall of the sealing cover 6 is provided with a plurality of clamping plates 14. The surface of the clamping plates 14 is provided with holes and threaded rods 15. The external thread of the threaded rod 15 near the end of the conveying main pipe 1 is threadedly connected with the threaded hole in the limit plate 16;

[0029] The internal thread of the control threaded tube 4 is threadedly connected to the threaded tube 11 on the surface of the control rod 5. When disassembling the device, the control rod 5 can be rotated and raised to a certain height first, and the threaded rods 15 on both sides of the sealing cover 6 can be taken out from the clamping plate 14 and the limit plate 16, and then the sealing cover 6 can be rotated and removed from the surface of the control threaded tube 4. Finally, the control rod 5 can be removed from the control threaded tube 4 as a whole by rotating the control rod 5, thereby facilitating the disassembly of the valve body as a whole.

[0030] Example 3: Based on Example 2, in order to control the delivery speed of concrete, a control rod 5 is provided with a control plug 9 fixedly connected to one end of the delivery main pipe 1, and a rotating disk 10 is provided at the other end of the control rod 5. A threaded tube 11 is fixedly sleeved on the outer wall of the control rod 5, and a threaded hole is screwed onto the outer surface of the threaded tube 11;

[0031] A threaded hole is provided on the outer wall surface of the conveying main pipe 1, and a fixing pipe 7 is fixedly connected just above the threaded hole. Connecting pipes 3 are fixedly connected to both ends of the conveying main pipe 1, and a connecting piece 8 is provided on the end of the connecting pipe 3 away from the conveying main pipe 1;

[0032] The delivery pipe 2 is in a "Z"-shaped structure as a whole. The delivery pipe 2 passes through the delivery main pipe 1. The turning point of the delivery pipe 2 is connected to the threaded hole. Connecting pipes 3 are provided in front of the pipe openings at both ends of the delivery pipe 2.

[0033] The connecting pipe 3 at one end of the delivery main pipe 1 is connected to the delivery pump, and the connecting pipe 3 at the other end of the delivery main pipe 1 is connected to the delivery pipe. The delivery pump and the delivery pipe are connected through the delivery pipe 2 to transport concrete. The control lever 5 provided between the delivery pipes 2 can be rotated to adjust the size of the delivery pipe opening of the delivery pipe 2 from the delivery pump end to the delivery pipe end, thereby controlling the delivery speed of the concrete.

[0034] Working principle: In actual use, the delivery of concrete can be controlled by rotating the control rod 5. Since one end of the control rod 1 is stuck in the delivery pipe 2 in the delivery main pipe 1, the switch of the delivery pipe 2 is controlled. The whole is divided into multiple module structures and is connected by threads. When disassembling, the sealing cover 6 can be rotated first, and then the control rod 5 can be taken out from the control threaded pipe 4, thereby facilitating the disassembly of the entire valve body, thus avoiding the problem of inconvenient disassembly and cleaning of the valve body.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A concrete delivery control valve, characterized by: The concrete delivery control valve comprises: a delivery main pipe (1), a delivery pipeline (2) is provided in the delivery main pipe (1), and connecting pipes (3) are provided at both ends of the delivery main pipe (1); A control threaded tube (4) is provided, wherein a control rod (5) is screwed into the control threaded tube (4), and a sealing cover (6) is provided at one end of the control threaded tube (4). The control threaded tube (4) is fixedly mounted on the surface of the fixed tube (7), and the control threaded tube (4) is located just above the threaded hole. The internal thread of the control threaded tube (4) is threadedly connected to the external thread of the threaded tube (11). A sealing groove (12) is provided at one end of the control threaded tube (4) away from the conveying main tube (1). A sealing ring (13) is provided in the sealing groove (12). The sealing ring (13) is sleeved on the surface of the control rod (5). The control rod (5) can move in the sealing ring (13). A plurality of limiting plates (16) are fixedly connected to the outer wall of one end of the control threaded tube (4) close to the conveying main tube (1). The surface of the limiting plate (16) is provided with a threaded hole. The sealing cover (6) is sleeved on the surface of the control rod (5), and the internal thread of the sealing cover (6) is threadedly connected to the external thread of the control threaded pipe (4). The outer wall of the sealing cover (6) is provided with a plurality of clamping plates (14). The surface of the clamping plates (14) is provided with holes and threaded rods (15). The external thread of the threaded rod (15) close to one end of the conveying main pipe (1) is threadedly connected to the threaded hole in the limit plate (16).

2. A concrete delivery control valve according to claim 1, characterized in that: The outer wall surface of the main delivery pipe (1) is provided with a threaded hole, and a fixed pipe (7) is fixedly connected directly above the threaded hole. Connecting pipes (3) are fixedly connected to both ends of the main delivery pipe (1), and a connecting piece (8) is provided at one end of the connecting pipe (3) away from the main delivery pipe (1).

3. A concrete delivery control valve according to claim 1, characterized in that: The delivery pipe (2) is in a "Z"-shaped structure as a whole. The delivery pipe (2) passes through the delivery main pipe (1). The turning point of the delivery pipe (2) is connected to the threaded hole. Connecting pipes (3) are provided in front of the pipe openings at both ends of the delivery pipe (2).

4. A concrete delivery control valve according to claim 1, characterized in that: The control rod (5) is fixedly connected to a control plug (9) at one end close to the conveying main pipe (1), and a rotating disk (10) is provided at the other end of the control rod (5). A threaded pipe (11) is fixedly sleeved on the outer wall of the control rod (5), and a threaded hole is screwed onto the outer side of the threaded pipe (11).

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