A spanner for a quadrant valve

Abstract

The utility model discloses a kind of plum blossom valve wrenches, including plum blossom disc, the lower end of plum blossom disc is equipped with driving motor, the output shaft end of driving motor is fixedly connected with four square head, short reaction arm is sleeved in four square head outer wall, the upper end of four square head is fixedly connected with connector, the upper end of connector is fixedly connected with the lower end of plum blossom disc, the upper of plum blossom disc is equipped with multiple mounting holes, the upper end of plum blossom disc is equipped with multiple positioning pins, the lower end of each positioning pin is fixedly connected with threaded head. The valve wrench can adjust positioning pin according to the position of jack hole on valve switch, improve the adaptability of valve wrench, and when installing positioning pin, positioning pin can be preliminarily fixed first and then fixed using nut, so as to improve the assembly efficiency of valve wrench, and by the setting of linear slide rail and arc slide rail, the position of rectangular block can be adjusted according to the position of positioning pin inserted into mounting hole, so that the pre-fixing of positioning pin in different mounting holes can be satisfied.

Description

Technical Field

[0001] This utility model relates to the field of valve wrench technology, and in particular to a box-shaped valve wrench. Background Technology

[0002] In the field of mechanical transmission, the plum blossom valve wrench, as a key transmission component, is widely used in the opening and closing operation of underground valves. Its performance and installation efficiency directly affect the stable operation and maintenance efficiency of the entire system.

[0003] Underground valves are located in special environments with narrow spaces and complex operating conditions. The locating pins on traditional box-shaped valve wrenches are mostly machined as a single piece with the box-shaped base. Furthermore, there are many types of valve switches. When the position of the socket on the valve switch changes, the box-shaped valve wrench may not be able to be inserted into the corresponding socket of the valve switch, making it impossible to use the box-shaped wrench to open and close the valve.

[0004] Therefore, a plum blossom valve wrench needs to be designed to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a plum blossom valve wrench. This valve wrench allows adjustment of the locating pin according to the position of the insertion hole on the valve switch, improving the wrench's adaptability. Furthermore, when installing the locating pin, it can be pre-fixed before being secured with a nut, thereby improving the assembly efficiency of the valve wrench. Moreover, through the setting of linear and arc-shaped slide rails, the position of the rectangular block can be adjusted according to the position of the locating pin inserted into the mounting hole, thus satisfying the pre-fixation of locating pins in different mounting holes.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A type of plum blossom valve wrench includes a plum blossom disc, a drive motor at the lower end of the plum blossom disc, a square head fixedly connected to the output shaft end of the drive motor, a short reaction arm sleeved on the outer wall of the square head, a connector fixedly connected to the upper end of the square head, the upper end of the connector fixedly connected to the lower end of the plum blossom disc, multiple mounting holes on the plum blossom disc, multiple locating pins on the upper end of the plum blossom disc, a threaded head fixedly connected to the lower end of each locating pin, each threaded head passing through a corresponding mounting hole, and a nut threadedly connected to each threaded head.

[0008] Preferably, a handheld bracket is fixedly connected to the outside of the drive motor, and a control box is installed on the right side of the handheld bracket.

[0009] Preferably, a mobile power supply is installed inside the control box, and a control switch is provided at the upper end of the control box. The mobile power supply, the control switch, and the drive motor are electrically connected by wires.

[0010] Preferably, each of the positioning pins is provided with a fixing hole, the upper end of the plum blossom plate is provided with multiple linear slide rails, each of the linear slide rails is slidably connected with a slider, the upper end of each slider is fixedly connected with a rectangular block, each of the rectangular blocks is provided with a moving groove, each of the moving grooves is slidably connected with a limiting block that cooperates with the fixing hole, and each limiting block is elastically connected to the inner wall of the corresponding moving groove by a spring.

[0011] Preferably, the upper end of the plum blossom plate is fixedly connected to an arc-shaped slide rail, and the two linear slide rails are slidably connected on the arc-shaped slide rail.

[0012] Preferably, the device further includes a rectangular box, the drive motor is mounted on top of the rectangular box, the rectangular box has a through hole, a cylindrical bearing is rotatably connected in the through hole, the plum blossom plate has a through opening, the cylindrical bearing is fixedly connected to the inner wall of the through opening, the output shaft of the drive motor extends into the rectangular box and is fixedly connected to a first gear, a second gear that meshes with the first gear is fixedly connected to the cylindrical bearing, and a handle is fixedly connected to the upper end of the rectangular box.

[0013] Compared with existing technologies, the advantages of this device are:

[0014] 1. Compared with existing technologies, the setting of the threaded head and nut under the locating pin allows for quick adjustment of the position of the locating pin, improving the adaptability of the plum blossom valve wrench.

[0015] 2. Compared with the existing technology, when installing the positioning pin, this device can first use the limiting block and the fixing hole to initially fix the positioning pin, and then use the nut to further tighten it. Compared with the traditional single nut fixing method, there is no need for manual fixing of the positioning pin, which reduces the installation time of the positioning pin. It is especially suitable for rapid installation in the narrow working space of underground valves.

[0016] 3. Compared with the existing technology, the device uses linear and arc-shaped slide rails. The slider can drive the rectangular block to move on the slide rail, so that the position of the rectangular block can be flexibly adjusted according to the position of the positioning pin inserted into the mounting hole, thereby realizing the pre-fixation of the positioning pin in different mounting holes.

[0017] 4. Compared with the existing technology, by mounting the plum blossom disc on the cylindrical bearing, the plum blossom valve wrench can be used to open and close the gate valve. Attached Figure Description

[0018] Figure 1This is a schematic diagram of the structure of a plum blossom valve wrench proposed in this utility model;

[0019] Figure 2 An exploded view of the plum blossom plate;

[0020] Figure 3 This is a schematic diagram of the structure of Embodiment 2 of the present invention;

[0021] Figure 4 for Figure 3 Top view;

[0022] Figure 5 for Figure 3 A schematic diagram of the locating pin and threaded head;

[0023] Figure 6 This is a schematic diagram of the structure of Embodiment 3 of this utility model;

[0024] Figure 7 for Figure 6 A half-section view.

[0025] In the diagram: 1. Drive motor, 2. Handheld bracket, 3. Control box, 4. Square head, 5. Short reaction arm, 6. Plum blossom plate, 7. Mounting hole, 8. Positioning pin, 9. Nut, 10. Rectangular block, 11. Slider, 12. Limiting block, 13. Spring, 14. Linear slide rail, 15. Arc slide rail, 16. Fixing hole, 17. Threaded head, 18. Connector, 19. Handle, 20. Rectangular box, 21. Cylindrical bearing, 22. First gear, 23. Second gear. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example

[0027] Reference Figures 1-2A type of plum blossom valve wrench includes a drive motor 1 at the lower end of a plum blossom disc 6, a square head 4 fixedly connected to the output shaft end of the drive motor 1, and a short reaction arm 5 sleeved on the outer wall of the square head 4. When using the valve wrench, a carbon fiber rod needs to be fixed to the short reaction arm 5 to secure the wrench and prevent it from slipping out of the hand due to excessive vibration. A connector 18 is fixedly connected to the upper end of the square head 4, and the upper end of the connector 18 is fixedly connected to the lower end of the plum blossom disc 6. The plum blossom disc 6 has multiple mounting brackets... The mounting hole 7 is provided with a plurality of positioning pins 8 at the upper end of the plum blossom plate 6. The positioning pins 8 are frustoconical. Each positioning pin 8 is fixedly connected to a threaded head 17 at its lower end. Each threaded head 17 passes through the corresponding mounting hole 7. Each threaded head 17 is threaded with a nut 9. A handheld bracket 2 is fixedly connected to the outside of the drive motor 1. A control box 3 is installed on the right side of the handheld bracket 2. A mobile power supply is installed inside the control box 3. A control switch is provided at the upper end of the control box 3. The mobile power supply, the control switch and the drive motor 1 are electrically connected by wires.

[0028] The functional principle of this utility model can be explained through the following operation: When it is necessary to adapt to underground valves with different layouts, the positioning pin 8 is inserted into different mounting holes 7, and then the nut 9 is rotated to fix the positioning pin 8. When performing underground valve opening and closing operations, the operator holds the handheld frame 2 and presses the control switch on the control box 3. The mobile power supply in the control box 3 supplies power and drives the motor 1 to start. The square head 4 at the end of its output shaft drives the plum blossom plate 6 to rotate, thereby realizing the valve opening and closing action. The entire operation process does not require external complex equipment, which is convenient and quick. This plum blossom valve wrench is suitable for ball valve opening and closing. Example

[0029] Reference Figures 3-5 The difference between this embodiment and embodiment 1 is that each positioning pin 8 is provided with a fixing hole 16, and the upper end of the plum blossom plate 6 is provided with multiple linear slide rails 14. There are five linear slide rails 14, three of which are fixedly connected to the plum blossom plate 6. Each linear slide rail 14 is slidably connected with a slider 11. Each slider 11 is fixedly connected with a rectangular block 10 at its upper end. Each rectangular block 10 is provided with a moving groove. Each moving groove is slidably connected with a limiting block 12 that cooperates with the fixing hole 16. Each limiting block 12 is elastically connected to the inner wall of the corresponding moving groove by a spring 13. The upper end of the limiting block 12 is chamfered so that when the positioning pin 8 is inserted, the limiting block 12 will be squeezed and move into the moving groove.

[0030] Among them, the upper end of the plum blossom plate 6 is fixedly connected to the arc-shaped slide rail 15, and two linear slide rails 14 are slidably connected to the arc-shaped slide rail 15, so that the position of the rectangular block 10 can be adjusted according to the position of the positioning pin 8 inserted into the mounting hole 7.

[0031] In this embodiment: When installing the positioning pin 8, the threaded head 17 at the lower end of the positioning pin 8 is passed through the mounting hole 7 on the plum blossom plate 6. Since the upper end of the limiting block 12 has a rounded corner, when the positioning pin 8 moves down, the positioning pin 8 will push the limiting block 12 into the moving groove along the inclined surface of the rounded corner, compressing the spring 13. As the positioning pin 8 continues to move down, when the limiting block 12 is aligned with the fixing hole 16 on the positioning pin 8, the spring 13 loses the squeezing effect of the positioning pin 8. Under the action of its own elastic restoring force, it pushes the limiting block 12 into the fixing hole 16, thereby limiting the positioning pin 8 and completing the initial fixing of the positioning pin 8. This facilitates the subsequent tightening of the nut 9 on the threaded head 17 to achieve final fixing, effectively improving assembly efficiency.

[0032] When it is necessary to adapt to underground valves with different layouts, the positioning pin 8 is inserted into different mounting holes 7. Using the linear slide rail 14 and the arc slide rail 15, the slider 11 is pushed to slide on the linear slide rail 14, which drives the rectangular block 10 to move. At the same time, the two linear slide rails 14 can slide and adjust on the arc slide rail 15, thereby flexibly changing the position of the rectangular block 10. This allows the limiting block 12 to align and cooperate with the fixing hole 16 of the positioning pin 8 in different mounting holes 7, thus meeting the pre-fixing requirements of positioning pins 8 for valves of different specifications.

[0033] When performing underground valve opening and closing operations, the operator holds the handheld frame 2 and presses the control switch on the control box 3. The mobile power supply in the control box 3 provides power, and the drive motor 1 starts. The square head 4 at the end of its output shaft drives the plum blossom plate 6 to rotate, thereby realizing the valve opening and closing action. The entire operation process does not require external complex equipment and is convenient and quick. Example

[0034] Reference Figure 6-7 The difference between this embodiment and embodiment 1 is that it also includes a rectangular box 20. The drive motor 1 is installed above the rectangular box 20. The rectangular box 20 has a through hole, and a cylindrical bearing 21 is rotatably connected inside the through hole. The plum blossom plate 6 has a through opening, and the cylindrical bearing 21 is fixedly connected to the inner wall of the through opening. The output shaft of the drive motor 1 extends into the rectangular box 20 and is fixedly connected to a first gear 22. A second gear 23 that meshes with the first gear 22 is fixedly connected to the cylindrical bearing 21. This plum blossom valve wrench is suitable for use in the opening and closing of gate valves. A handle 19 is fixedly connected to the upper end of the rectangular box 20.

[0035] In this embodiment, when rotating the valve switch, the valve switch of the gate valve is first lifted upward so that the valve switch of the gate valve passes through the cylindrical bearing 21, so that multiple positioning pins 8 are inserted into the corresponding gate valve sockets. Then, the operator holds the handle 19 to control the drive motor 1 to run. Due to the meshing of the first gear 22 and the second gear 23, the cylindrical bearing 21 and the plum blossom plate 6 are driven to rotate, thus completing the valve opening and closing.

[0036] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A box-shaped valve wrench, comprising a box-shaped disc (6), characterized in that: The lower end of the plum blossom plate (6) is provided with a drive motor (1), and the output shaft of the drive motor (1) is fixedly connected to a square head (4). The outer wall of the square head (4) is fitted with a short reaction arm (5). The upper end of the square head (4) is fixedly connected to a connector (18). The upper end of the connector (18) is fixedly connected to the lower end of the plum blossom plate (6). The plum blossom plate (6) is provided with multiple mounting holes (7). The upper end of the plum blossom plate (6) is provided with multiple positioning pins (8). The lower end of each positioning pin (8) is fixedly connected to a threaded head (17). Each threaded head (17) passes through the corresponding mounting hole (7). Each threaded head (17) is threaded with a nut (9).

2. The plum blossom valve wrench according to claim 1, characterized in that: A handheld bracket (2) is fixedly connected to the outside of the drive motor (1), and a control box (3) is installed on the right side of the handheld bracket (2).

3. A plum blossom valve wrench according to claim 2, characterized in that: The control box (3) is equipped with a mobile power supply, and the upper end of the control box (3) is provided with a control switch. The mobile power supply, the control switch and the drive motor (1) are electrically connected by wires.

4. A plum blossom valve wrench according to claim 1, characterized in that: Each of the positioning pins (8) is provided with a fixing hole (16), and the upper end of the plum blossom plate (6) is provided with multiple linear slide rails (14). Each linear slide rail (14) is slidably connected with a slider (11). Each slider (11) is fixedly connected with a rectangular block (10) at its upper end. Each rectangular block (10) is provided with a moving groove. Each moving groove is slidably connected with a limiting block (12) that cooperates with the fixing hole (16). Each limiting block (12) is elastically connected to the inner wall of the corresponding moving groove by a spring (13).

5. A plum blossom valve wrench according to claim 4, characterized in that: The upper end of the plum blossom plate (6) is fixedly connected to an arc-shaped slide rail (15), and the two linear slide rails (14) are slidably connected on the arc-shaped slide rail (15).

6. A plum blossom valve wrench according to claim 1, characterized in that: It also includes a rectangular box (20), the drive motor (1) is installed above the rectangular box (20), the rectangular box (20) is provided with a through hole, a cylindrical bearing (21) is rotatably connected in the through hole, the plum blossom plate (6) is provided with a through hole, the cylindrical bearing (21) is fixedly connected to the inner wall of the through hole, the output shaft end of the drive motor (1) extends into the rectangular box (20) and is fixedly connected to a first gear (22), a second gear (23) meshing with the first gear (22) is fixedly connected to the cylindrical bearing (21), and a handle (19) is fixedly connected to the upper end of the rectangular box (20).

Images