Throttle valve capable of controlling fluid flow speed

Abstract

The utility model relates to the field of flow control, in particular to a fluid flow rate controllable throttling valve which comprises an outer pipeline, a flow limiting ball valve is tightly sleeved with the outer pipeline, the upper end of the flow limiting ball valve is fixedly connected with a conveniently-disassembled device, the conveniently-disassembled device comprises a rotating shaft, the upper end of the rotating shaft is fixedly connected with a spline frame, and the upper end of the spline frame is fixedly connected with a fastening threaded rod. The rotating shaft is fixedly connected to the upper end face of the flow limiting ball valve. The inner side of the upper end of the sealing frame is fixedly connected with a plurality of clamping blocks; the throttle valve convenient to disassemble has the advantages that due to the fact that the structure convenient to disassemble is arranged, when many impurities are accumulated in the throttle valve, the throttle valve can be disassembled to conduct internal comprehensive cleaning, the cleaning difficulty is lowered, when part of components are damaged when the throttle valve is used, the components can be independently disassembled and replaced, and the service life of the throttle valve is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of flow control, and specifically relates to a throttle valve with controllable fluid flow velocity. Background Technique

[0002] A throttle valve is a valve that controls the fluid flow by changing the throttle section or throttle length. When using a throttle valve, it is usually necessary to control the flow velocity of the fluid in the pipeline. Usually, by adjusting the opening of the throttle ball valve, the control of the flow velocity can be achieved.

[0003] When the traditional throttle valve is in use, since there may be some impurities in the fluid that accumulate in the throttle valve, it may affect the control of the throttle valve and is usually difficult to clean. Moreover, when some components of the traditional throttle valve are damaged during use, the entire throttle valve needs to be replaced, resulting in a certain waste of resources. Therefore, the utility model proposes a throttle valve with controllable fluid flow velocity to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a throttle valve with controllable fluid flow velocity to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A throttle valve with controllable fluid flow velocity, including an outer pipeline, a flow-limiting ball valve is closely sleeved inside the outer pipeline, a detachable device is fixedly connected to the upper end of the flow-limiting ball valve, the detachable device includes a rotating shaft, a spline frame is fixedly connected to the upper end of the rotating shaft, and a fastening threaded rod is fixedly connected to the upper end of the spline frame; the rotating shaft is fixedly connected to the upper end face of the flow-limiting ball valve; the upper end face of the outer pipeline is flange-connected with a sealing frame, and several clamping blocks are fixedly connected to the inner side of the upper end of the sealing frame.

[0006] Preferably, a damping sleeve is sleeved on the outer side of the rotating shaft in a damping manner, a sealing sleeve is fixedly connected to the outer side of the damping sleeve, and the damping sleeve is sleeved with a sealing frame in a sealing manner.

[0007] Preferably, several clamping grooves are formed on the outer side of the upper end face of the damping sleeve, and the clamping blocks are correspondingly clamped in the clamping grooves.

[0008] Preferably, a limiting plate is fixedly connected to the outer side of the upper end of the damping sleeve on the outer side of the rotating shaft.

[0009] Preferably, a rotating disc is sleeved on the outer side of the spline frame in an inserted manner, a fastening bolt is bolted to the upper end of the rotating disc, and the fastening bolt is sleeved on the outer side of the fastening bolt rod.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] By providing a detachable structure, when there is a large amount of impurities accumulated in the throttle valve, the throttle valve can be disassembled for a comprehensive internal cleaning, reducing the cleaning difficulty. Moreover, when some components are damaged during the use of the throttle valve, they can be individually disassembled and replaced, improving the service life of the throttle valve. Description of the Drawings

[0012] Figure 1 is a schematic structural view of the present utility model;

[0013] Figure 2 is an exploded view schematic diagram of the structure of the present utility model;

[0014] Figure 3 is Figure 2 the enlarged schematic view at A in

[0015] In the figure: 1 outer pipeline, 2 sealing frame, 3 rotating shaft, 4 rotating disk, 5 fastening bolt, 6 flow-limiting ball valve, 7 limiting plate, 8 clamping block, 9 sealing sleeve, 10 damping sleeve, 11 clamping groove, 12 spline frame, 13 fastening threaded rod. Detailed Embodiment

[0016] In order to clearly and completely describe the purpose, technical solution of the present utility model and make the advantages more clear, the following further details the embodiments of the present utility model with reference to the drawings. It should be understood that the specific embodiments described herein are some embodiments of the present utility model, rather than all embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0017] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation of the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0018] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediate medium, and it may be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0019] For the sake of simplicity and illustration, the principles of the embodiments are mainly described by referring to examples. In the following description, many specific details are set forth to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, 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 these embodiments. Additionally, all embodiments can be used in combination with each other.

[0020] Please refer to Figures 1 to 3 , the present utility model provides a technical solution: a throttle valve with controllable fluid flow rate, which includes an outer pipe 1. A flow-limiting ball valve 6 is tightly sleeved inside the outer pipe 1. A detachable device is fixedly connected to the upper end of the flow-limiting ball valve 6. The detachable device includes a rotating shaft 3. A spline frame 12 is fixedly connected to the upper end of the rotating shaft 3. A fastening threaded rod 13 is fixedly connected to the upper end of the spline frame 12; the rotating shaft 3 is fixedly connected to the upper end surface of the flow-limiting ball valve 6; a sealing frame 2 is flange-connected to the upper end surface of the outer pipe 1. A plurality of clamping blocks 8 are fixedly connected to the inner side of the upper end of the sealing frame 2. A rotating disk 4 is sleeved outside the spline frame 12 in an inserted manner. A fastening bolt 5 is bolted to the upper end of the rotating disk 4. The fastening bolt 5 is sleeved outside the fastening bolt rod 13. The flow-limiting ball valve 6 can be driven to rotate and adjust the opening degree through the rotation of the rotating shaft 3, so as to realize the control of the flow rate.

[0021] A damping sleeve 10 is sleeved on the outer side of the rotating shaft 3 in a damped manner. A sealing sleeve 9 is fixedly connected to the outer side of the damping sleeve 10. The damping sleeve 10 is sleeved outside the sealing frame 2 in a sealed manner. A plurality of clamping grooves 11 are opened on the outer side of the upper end surface of the damping sleeve 10. The clamping blocks 8 are correspondingly clamped in the clamping grooves 11. A limiting plate 7 is fixedly connected to the outer side of the upper end of the damping sleeve 10 on the outer side of the rotating shaft 3. When installing the sealing frame 2, first insert and sleeve the sealing frame 2 outside the damping sleeve 10, and at the same time make the clamping blocks 8 correspondingly clamped in the clamping grooves 11. Then adjust the position of the sealing frame 2 and fasten and connect the sealing frame 2 to the upper end of the outer pipe 1 through flange bolts. Then clamp the rotating disk 4 outside the spline frame 12 and use the fastening bolt 5 to bolt and fasten it on the fastening threaded rod 13 to fix the rotating disk 4. When disassembling, first disassemble the rotating disk 4, and then disassemble the sealing frame 2.

[0022] During actual use, when installing the sealing frame 2, first insert and sleeve the sealing frame 2 outside the damping sleeve 10, and at the same time make the clamping block 8 correspondingly clamped in the clamping groove 11. Then adjust the position of the sealing frame 2 and fasten and connect the sealing frame 2 to the upper end of the outer pipeline 1 through flange bolts. Then clamp the rotating disc 4 outside the spline frame 12 and fasten it to the fastening threaded rod 13 with the fastening bolt 5 to fix the rotating disc 4. Adjust the rotating disc 4 so that the rotating shaft 3 drives the flow-limiting ball valve 6 to rotate for controlling the opening degree in the pipeline. At the same time, under the action of the damping sleeve 10, the position of the flow-limiting ball valve 6 can be stably maintained unchanged, and the flow rate adjustment can be realized. When disassembling, first disassemble the rotating disc 4 and then disassemble the sealing frame 2.

[0023] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A throttle valve with controllable fluid flow rate, characterized in that: including an outer pipe (1), a flow-limiting ball valve (6) is tightly sleeved inside the outer pipe (1), a detachable device is fixedly connected to the upper end of the flow-limiting ball valve (6), the detachable device includes a rotating shaft (3), a spline frame (12) is fixedly connected to the upper end of the rotating shaft (3), and a fastening threaded rod (13) is fixedly connected to the upper end of the spline frame (12); the rotating shaft (3) is fixedly connected to the upper end face of the flow-limiting ball valve (6); a sealing frame (2) is flange-connected to the upper end face of the outer pipe (1), and a plurality of clamping blocks (8) are fixedly connected to the inner side of the upper end of the sealing frame (2).

2. The fluid flow rate controllable throttle valve according to claim 1, wherein: a damping sleeve (10) is sleeved on the outer side of the rotating shaft (3) with damping, a sealing sleeve (9) is fixedly connected to the outer side of the damping sleeve (10), and the damping sleeve (10) is sleeved with the sealing frame (2) in a sealed manner on the outer side.

3. The fluid flow rate controllable throttle valve according to claim 2, wherein: a plurality of clamping grooves (11) are formed in the outer side of the upper end face of the damping sleeve (10), and the clamping blocks (8) are correspondingly clamped in the clamping grooves (11).

4. A fluid flow rate controllable throttle valve according to claim 3, characterized in that: a limiting plate (7) is fixedly connected to the outer side of the upper end of the damping sleeve (10) on the outer side of the rotating shaft (3).

5. A fluid flow rate controllable throttle valve according to claim 1, characterized in that: a rotating disk (4) is inserted and sleeved on the outer side of the spline frame (12), a fastening bolt (5) is bolted to the upper end of the rotating disk (4), and the fastening bolt (5) is sleeved on the outer side of the fastening threaded rod (13).

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