Valve transmission device

Abstract

The utility model discloses a valve transmission device, which relates to the technical field of valves and is characterized in that a transmission component is arranged in a box body, one end of the transmission component extending out of the box body is connected with a rotating component, a locking component is arranged above the box body, and the locking component is connected with the transmission component. According to the valve transmission device adopting the structure, the detachable rotating hand wheel is arranged and can be taken down after the valve is started or closed, so that the valve is prevented from being rotated intentionally or unintentionally; the locking assembly is arranged to lock the worm, the matched operating rod is used for unlocking and locking, safety is achieved, and accidents caused by uncommanded opening and closing of the valve are avoided.

Description

Technical Field

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

[0002] Valves are mechanical devices that control the flow rate, flow direction, pressure, temperature, etc. of a flowing fluid medium. Valves are widely used in various industrial and civil water supply, oil supply, and fire water supply system pipelines. The handwheel of the manual device is generally exposed. In the absence of instructions, the handwheel is easily turned intentionally or unintentionally, causing the valve to open and close without instructions and cause accidents. Utility Model Content

[0003] The utility model aims to provide a valve transmission device to solve the problem that the hand wheel of the existing valve manual device is easily rotated intentionally or unintentionally without instructions, resulting in the non-instructed opening and closing of the valve and causing accidents.

[0004] To achieve the above objectives, the utility model provides a valve transmission device, including a box body, a transmission assembly is arranged in the box body, one end of the transmission assembly extending out of the box body is connected to a rotating assembly, a locking assembly is arranged above the box body, and the locking assembly is connected to the transmission assembly.

[0005] Preferably, the transmission assembly includes a turbine arranged inside the housing, a worm is arranged on one side of the turbine, and the worm and the turbine are meshingly connected; the bottom end of the worm is connected to the bottom of the housing through a bearing, and two clamps are symmetrically arranged on both sides of the top of the worm, a boss is arranged between the two clamps, a connecting part is fixedly connected above the boss, and a thread is opened on the connecting part.

[0006] Preferably, the rotating assembly includes a fixing cap sleeved on the top of the worm and a rotating handwheel, a rectangular hole is opened at the middle position of the rotating handwheel, and the rectangular hole is passed through by the boss; the fixing cap is connected to the connecting part, and thread 2 is provided in the fixing cap, and thread 2 is matched with thread 1.

[0007] Preferably, the locking assembly includes a locking box arranged on the box body, the locking box is penetrated by the worm, a locking sleeve is fixedly connected to the inner wall of one side of the locking box, a through hole one is opened on the other side of the locking box, a locking rod is arranged in the through hole one, a through hole two is opened on the worm, the locking rod passes through the through hole two and is connected to the locking sleeve, a thread three is opened in the locking sleeve, a thread four is opened on the locking rod, and the thread four and the thread three are adapted to each other.

[0008] Preferably, a connecting groove is formed at one end of the locking rod located in the through hole 1, a connecting block is clamped in the connecting groove, the connecting block is fixedly connected to the operating rod, and the operating rod is configured as a T-shaped structure.

[0009] Preferably, a connection port 1 is provided at the rear of the box body, a connecting piece is provided in the connection port 1, and the connecting piece is fixedly connected to the turbine; a box cover is connected to the front of the box body, a connection port 2 is provided on the box cover, a rotating disc is provided on the connection port 2, and the rotating disc is fixedly connected to the turbine.

[0010] Therefore, the utility model adopts a valve transmission device of the above structure, by providing a detachable rotating hand wheel, which can be removed after starting or closing the valve to prevent the valve from being rotated intentionally or unintentionally; by providing a locking component to lock the worm, and using a matching operating lever to unlock and lock, it is safer and avoids accidents caused by non-command opening and closing of the valve.

[0011] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural schematic diagram of an embodiment of a valve transmission device of the utility model;

[0013] Figure 2 This is a cross-sectional view of an embodiment of a valve transmission device of the utility model;

[0014] Figure 3 It is a rear view of an embodiment of a valve transmission device of the utility model;

[0015] Figure 4 It is a schematic diagram of the top structure of a worm of a valve transmission device of the utility model;

[0016] Figure 5 It is a top plan view of a worm of a valve transmission device of the utility model;

[0017] Figure 6 It is a side view of a locking rod of a worm gear of a valve transmission device of the utility model;

[0018] Figure numerals: 1. casing; 2. turbine; 3. worm; 4. bearing; 5. clamping table; 6. boss; 7. connecting part; 8. fixing cap; 9. rotating hand wheel; 10. locking box; 11. locking sleeve; 12. locking rod; 13. connecting groove; 14. connecting block; 15. operating rod; 16. connecting piece; 17. casing cover; 18. rotating disc. DETAILED DESCRIPTION

[0019] The technical solution of the utility model is further described below through the accompanying drawings and embodiments.

[0020] Unless otherwise defined, the technical terms or scientific terms used in the present invention shall have the usual meanings understood by persons with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" and the like mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" and the like are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0021] Example

[0022] See also Figure 1-6 The utility model provides a valve transmission device, including a box body 1, a transmission assembly is arranged in the box body 1, one end of the transmission assembly extending out of the box body is connected to a rotating assembly, a locking assembly is arranged above the box body 1, and the locking assembly is connected to the transmission assembly.

[0023] The transmission assembly includes a turbine 2 arranged inside the housing 1, a worm 3 is arranged on one side of the turbine 2, the worm 3 and the turbine 2 are meshed and connected, and the turbine 2 is driven to rotate by rotating the worm 3. The bottom end of the worm 3 is connected to the bottom of the housing 1 through a bearing 4, and two clamping platforms 5 are symmetrically arranged on both sides of the top of the worm 3, and the clamping platforms 5 play the role of placing the rotating handwheel 9. A boss 6 is arranged between the two clamping platforms 5, and the boss 6 plays the role of clamping the rotating handwheel 9, so that when the rotating handwheel 9 rotates, it can drive the worm 3 to rotate together. A connecting portion 7 is fixedly connected to the top of the boss 6, and a thread 1 is provided on the connecting portion 7.

[0024] The rotating assembly includes a fixing cap 8 sleeved on the top of the worm 3 and a rotating hand wheel 9. A rectangular hole is opened in the middle of the rotating hand wheel 9, and the rectangular hole is passed through by the boss 6. The fixing cap 8 is connected to the connecting portion 7, and the fixing cap 8 plays a fixing role to prevent the rotating hand wheel 9 from falling out during use. The fixing cap 8 is simple to fix, and the disassembly and installation are quick and convenient. The rotating hand wheel 9 can be removed when it is not in use. The fixing cap 8 is provided with a second thread, and the second thread is adapted to the first thread.

[0025] The locking assembly includes a locking box 10 arranged on the box body 1, the locking box 10 is penetrated by the worm 3, a locking sleeve 11 is fixedly connected to the inner wall of one side of the locking box 10, a through hole 1 is opened on the other side of the locking box 10, a locking rod 12 is arranged in the through hole 1, a through hole 2 is opened on the worm 3, the locking rod 12 passes through the through hole 2 and is connected with the locking sleeve 11, a thread 3 is opened in the locking sleeve 11, a thread 4 is opened on the locking rod 12, and the thread 4 is adapted to the thread 3.

[0026] A connecting groove 13 is formed at one end of the locking rod 12 located in the through hole 1, and a connecting block 14 is clamped in the connecting groove 13. The shapes of the connecting block 14 and the connecting groove 13 are adapted to each other. Figure 6 As shown, it is a pentagon, and the shapes of the two can also be changed according to actual needs. The connecting block 14 is fixedly connected to the operating rod 15, and the operating rod 15 is set as a T-shaped structure. The unlocking and locking of the locking assembly are realized by the operating rod 15. Using the matching operating rod 15 for unlocking and locking is safer and avoids accidents caused by non-command opening and closing of the valve.

[0027] A connection port 1 is provided at the rear of the box body 1, and a connection member 16 is provided in the connection port 1. The connection member 16 is fixedly connected to the turbine 2, and the connection member 16 is connected to the valve. The rotation of the turbine 2 drives the connection member 16 to rotate, thereby realizing the opening and closing of the valve. A box cover 17 is connected to the front of the box body 1, and the box cover 17 is fixed to the box body 1 by screws. A connection port 2 is provided on the box cover 17, and a rotating disc 18 is provided on the connection port 2. The rotating disc 18 is fixedly connected to the turbine 2. A pointer is engraved on the rotating disc 18, and the words "open" and "close" are provided on the periphery to observe the state of the valve.

[0028] During specific use, the connecting piece 16 is connected and fixed to the valve, the rectangular hole of the rotating handwheel 9 is passed through the connecting part 7 and the boss 6 and placed on the clamping table 5, and the fixing cap 8 is tightened on the connecting part 7. After installation, the locking rod 12 and the locking sleeve 11 are fixedly connected and in a locked state. When unlocking is required, the end of the operating rod 15 with the connecting block 14 is extended into the through hole 1, so that the connecting block 14 is stuck in the connecting groove 13, and the operating rod 15 is pushed to make it tightly connected with the locking rod 12. At this time, the locking rod 12 can be rotated out of the locking sleeve 11 by rotating the operating rod 15 counterclockwise. The worm 3 is in an unlocked state, and the valve can be opened or closed by rotating the rotating handwheel 9. When locking is required, the locking rod 12 is sent into the through hole 1 by using the operating rod 15, and the locking rod 12 can be rotated and connected into the locking sleeve by rotating the operating rod 15 clockwise. After use, remove the operating rod 15. Figure 1 shown.

[0029] Therefore, the utility model adopts a valve transmission device of the above structure, by providing a detachable rotating hand wheel, which can be removed after starting or closing the valve to prevent the valve from being rotated intentionally or unintentionally; by providing a locking component to lock the worm, and using a matching operating lever to unlock and lock, it is safer and avoids accidents caused by non-command opening and closing of the valve.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that they can still modify or replace the technical solution of the utility model with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of the utility model.

Claims

1. A valve transmission device, characterized in that: It comprises a box body, a transmission assembly is arranged in the box body, one end of the transmission assembly extending out of the box body is connected with a rotating assembly, a locking assembly is arranged above the box body, and the locking assembly is connected to the transmission assembly.

2. A valve transmission device according to claim 1, characterized in that: The transmission assembly includes a turbine arranged inside the housing, a worm is arranged on one side of the turbine, and the worm and the turbine are meshingly connected; the bottom end of the worm is connected to the bottom of the housing through a bearing, and two clamps are symmetrically arranged on both sides of the top of the worm, a boss is arranged between the two clamps, a connecting part is fixedly connected above the boss, and a thread is opened on the connecting part.

3. A valve transmission device according to claim 2, characterized in that: The rotating assembly includes a fixing cap sleeved on the top end of the worm and a rotating hand wheel, a rectangular hole is opened at the middle position of the rotating hand wheel, and the rectangular hole is passed through by the boss; the fixing cap is connected to the connecting part, and a second thread is arranged in the fixing cap, and the second thread is matched with the first thread.

4. A valve transmission device according to claim 3, characterized in that: The locking assembly includes a locking box arranged on the box body, the locking box is penetrated by the worm, a locking sleeve is fixedly connected to the inner wall of one side of the locking box, a through hole 1 is provided on the other side of the locking box, a locking rod is provided in the through hole 1, a through hole 2 is provided on the worm, the locking rod passes through the through hole 2 and is connected to the locking sleeve, a thread 3 is provided in the locking sleeve, a thread 4 is provided on the locking rod, and the thread 4 is adapted to the thread 3.

5. A valve transmission device according to claim 4, characterized in that: A connecting groove is formed at one end of the locking rod located in the through hole 1, a connecting block is clamped in the connecting groove, and the connecting block is fixedly connected to the operating rod, and the operating rod is set to a T-shaped structure.

6. A valve transmission device according to claim 5, characterized in that: A connection port 1 is provided at the rear of the box body, a connection piece is arranged in the connection port 1, and the connection piece is fixedly connected to the turbine; a box cover is connected to the front of the box body, a connection port 2 is provided on the box cover, a rotating disc is arranged on the connection port 2, and the rotating disc is fixedly connected to the turbine.

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