A side-turning slip control valve

Abstract

The utility model discloses a kind of side rotation sliding type control valves, belong to fire-fighting equipment technical field, its technical scheme main point is: including valve body and sealing plug, water passage is provided in valve body, control pipe is slidably arranged in water passage, control pipe is arranged along water flow direction, control pipe can be disconnected water passage by cooperating sealing plug, the side wall of valve body is rotatably provided with handle, cam piece is rotatably arranged in valve body, handle is connected with cam piece, the side wall of control pipe is provided with linkage groove, linkage block is slidably arranged in linkage groove, cam piece is rotatably connected with linkage block, when handle is rotated and drives cam piece to rotate, cam piece drives linkage block to slide along linkage groove, and linkage block drives control pipe to slide along water passage, to increase or reduce the gap between control pipe and sealing plug for water flow, the control valve can effectively reduce the influence on high pressure water flow.

Description

Technical Field

[0001] This utility model belongs to the field of fire-fighting equipment technology, and specifically relates to a side-rotating sliding control valve. Background Technology

[0002] Chinese Patent No. CN204972804U discloses an adjustable fire hose, which relates to a fire-fighting tool for spraying and extinguishing fires at fire scenes. Its structure mainly consists of a valve body, handle, ball valve core, handle switch, connecting pipe, inner liner, central shaft, reflector, outer liner, bell mouth, flow regulating ring, and water shape regulating ring.

[0003] The above technical solution has the following defects: When the fire hose is in use, it relies on the handle switch to drive the ball valve core to rotate in order to control the flow of water. However, when the ball valve core is in a partially open state, the high-pressure water flow will continuously impact the outer wall of the ball valve core, causing significant loss of water kinetic energy. This not only reduces the working pressure and range of the high-pressure water flow, but may also affect the actual fire extinguishing effect and have an adverse impact on the smooth progress of fire fighting operations. Utility Model Content

[0004] The purpose of this invention is to address the aforementioned problems in the existing technology by proposing a side-rotating sliding control valve. The technical problem to be solved by this invention is: how to reduce the impact of the control valve on high-pressure water flow.

[0005] The above-mentioned technical objective of this utility model can be achieved through the following technical solution: A side-rotating sliding control valve includes a valve body and a sealing plug. A water flow channel is provided in the valve body, and a control pipe is slidably arranged in the water flow channel. The control pipe is arranged along the water flow direction and can cooperate with the sealing plug to isolate the water flow channel. A handle is rotatably arranged on the side wall of the valve body, and a cam is rotatably arranged in the valve body. The handle is connected to the cam. A linkage groove is opened on the side wall of the control pipe, and a matching linkage block is slidably arranged in the linkage groove. The cam is rotatably connected to the linkage block. When the handle is rotated to drive the cam to rotate, the cam drives the linkage block to slide along the linkage groove, and the linkage block drives the control pipe to slide along the water flow channel, thereby increasing or decreasing the gap between the control pipe and the sealing plug through which water flows.

[0006] In the aforementioned side-rotating sliding control valve, a positioning element is provided on the side wall of the valve body, and a positioning ball is movably disposed on the positioning element. At least two positioning grooves adapted to the positioning ball are opened on the side wall of the cam element. The positioning grooves are used to position the positioning ball. Rotating the cam element can cause the positioning ball to enter or leave any of the positioning grooves.

[0007] In the aforementioned side-rotating sliding control valve, the side wall of the cam member is provided with a guide groove for guiding the positioning ball. The guide groove is opened along the rotation trajectory of the cam member, and the positioning ball can move along the guide groove and enter or leave the positioning groove.

[0008] In the aforementioned side-rotating sliding control valve, the positioning member has a receiving groove, and a spring is provided in the receiving groove. The spring is connected to the positioning ball, and the positioning ball can cooperate with the positioning member to compress the spring.

[0009] In the aforementioned side-rotating sliding control valve, a linkage shaft is provided on the linkage block, and a connecting part is provided on the cam component. The linkage shaft passes through the connecting part, and the two are rotatably engaged.

[0010] In the aforementioned side-turn sliding control valve, a connecting hole is provided on the side wall of the handle, and a connecting block is adapted to fit in the connecting hole. The connecting hole is circumferentially positioned for the connecting block. A through hole is provided on the cam component, and a pivot is inserted through the through hole. The through hole is circumferentially positioned for the pivot. The end of the pivot is detachably connected to the connecting block.

[0011] In the aforementioned side-rotating sliding control valve, a bushing is rotatably mounted inside the valve body. A through hole is provided on the bushing, which is adapted to the pivot. The pivot passes through the through hole, and the through hole positions the pivot circumferentially.

[0012] In the aforementioned side-turn sliding control valve, the valve body has an installation hole, and the valve body is provided with a cover plate that covers the installation hole. The cover plate is provided with a switch direction indicator.

[0013] In the aforementioned side-rotating sliding control valve, the sealing plug is provided with a flow-guiding arc surface, which faces the water inlet end of the water passage.

[0014] In the aforementioned side-rotating sliding control valve, a sealing ring is provided on the outer wall of the sealing plug.

[0015] In summary, the beneficial effects of this utility model compared to the prior art are as follows: By rotating the handle, the cam component is driven to rotate, which in turn drives the linkage block to slide along the linkage groove. The linkage block then drives the control pipe to slide along the water flow channel, thereby changing the size of the gap between the control pipe and the sealing plug through which the water flows. This allows for the regulation of the water flow and the switching on / off of the valve. Since the control pipe is set along the direction of water flow, the water flows through the control pipe, avoiding direct impact of the water flow on the control pipe. This effectively reduces the loss of kinetic energy of the water flow and minimizes the impact of the control valve on the water flow. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment; Figure 2 This is a partial exploded view of an embodiment; Figure 3 for Figure 2 Enlarged view of part A; Figure 4 for Figure 2 Enlarged view of part B; Figure 5 This is a cross-sectional view of an embodiment of a three-section valve body with a threaded structure. Figure 6 This is a cross-sectional view of an embodiment of a two-section valve body with a threaded structure. Figure 7 This is a cross-sectional view of an embodiment of a three-section valve body using a quick-connect interface. Figure 8 This is a cross-sectional view of an embodiment with a two-section valve body and a quick-connect interface.

[0017] Reference numerals: 1. Valve body; 2. Sealing plug; 3. Water flow channel; 4. Control pipe; 5. Handle; 6. Cam component; 7. Linkage groove; 8. Linkage block; 9. Positioning component; 10. Positioning ball; 11. Positioning groove; 12. Guide groove; 13. Receiving groove; 14. Spring; 15. Linkage shaft; 16. Connecting part; 17. Connecting hole; 18. Connecting block; 19. Through hole; 20. Pivot; 21. Bushing; 22. Through hole; 23. Mounting hole; 24. Cover plate; 25. Switching direction indicator; 26. Guide arc surface; 27. Sealing ring. Detailed Implementation

[0018] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0019] A side-rotating slide control valve, such as Figures 1 to 8 As shown, the device includes a valve body 1 and a sealing plug 2. The valve body 1 is provided with a water flow channel 3, and the sealing plug 2 is located in the water flow channel 3. In this embodiment, the sealing plug 2 is threadedly connected to the valve body 1, which facilitates the maintenance and replacement of the sealing plug 2 in the future.

[0020] A control pipe 4 is slidably installed inside the water flow channel 3. The control pipe 4 is set along the water flow direction to ensure that the water flow passes through the control pipe 4, avoiding the water flow directly impacting the control pipe 4, thereby effectively reducing the loss of water kinetic energy and reducing the impact of the control valve on the water flow.

[0021] The control pipe 4 can work with the sealing plug 2 to isolate the water flow channel 3. Specifically, as the control pipe 4 slides closer to the sealing plug 2 until one end of the control pipe 4 is fitted onto the outside of the sealing plug 2, the gap between the control pipe 4 and the sealing plug 2 cannot allow water to flow through. In this way, the two work together to isolate the water flow channel 3.

[0022] Furthermore, a sealing ring 27 is provided on the outer wall of the sealing plug 2. When one end of the control pipe 4 is fitted onto the outside of the sealing plug 2, the sealing ring 27 seals the control pipe 4 and the sealing plug 2, thereby improving the sealing performance between the control pipe 4 and the sealing plug 2 and preventing water from seeping between them.

[0023] When the control pipe 4 slides closer to the sealing plug 2, the gap between the control pipe 4 and the sealing plug 2 gradually decreases. Conversely, when the control pipe 4 slides away from the sealing plug 2, the gap between the control pipe 4 and the sealing plug 2 gradually increases. That is, by changing the gap between the control pipe 4 and the sealing plug 2, the flow rate of the water outlet can be regulated.

[0024] It should be noted that since the water flow passes through the control pipe 4, it avoids direct impact on the control pipe 4, thus effectively ensuring the stability of the position of the control pipe 4, thereby maintaining the stability of the opening and ensuring the stability of the water flow.

[0025] Furthermore, the sealing plug 2 is provided with a flow guiding arc surface 26, which faces the water inlet end of the water flow channel 3. The flow guiding arc surface 26 guides the water flow, thereby guiding the water flow through the gap between the sealing plug 2 and the control pipe 4, thereby achieving a stable flow effect. Moreover, the flow guiding arc surface 26 can also effectively reduce the impact of the water flow on the sealing plug 2.

[0026] As for how to make the control pipe 4 slide along the water flow channel 3, specifically, a handle 5 is rotatably provided on the side wall of the valve body 1, and a cam 6 is rotatably provided inside the valve body 1. The handle 5 is connected to the cam 6. A linkage groove 7 is opened on the side wall of the control pipe 4. A matching linkage block 8 is slidably provided in the linkage groove 7. The cam 6 is rotatably connected to the linkage block 8. When the handle 5 is rotated to drive the cam 6 to rotate, the cam 6 drives the linkage block 8 to slide along the linkage groove 7, and the linkage block 8 drives the control pipe 4 to slide along the water flow channel 3, thereby increasing or decreasing the gap between the control pipe 4 and the sealing plug 2 through which the water flows.

[0027] In this embodiment, the handle 5 is connected to the cam 6. Both sides of the handle 5 are provided with connection holes 17. The connection holes 17 are fitted with corresponding connecting blocks 18. The connection holes 17 are circumferentially positioned for the connecting blocks 18. The cam 6 is provided with through holes 19. A pivot 20 is inserted through the through holes 19. The through holes 19 are circumferentially positioned for the pivot 20. The two ends of the pivot 20 are detachably connected to the corresponding connecting blocks 18, so that the handle 5 drives the cam 6 to rotate through the pivot 20.

[0028] Preferably, the end of the pivot 20 is connected to the connecting block 18 by bolts, with the bolts threaded through the connecting block 18 and connected to the end of the pivot 20.

[0029] Furthermore, a bushing 21 is rotatably installed inside the valve body 1. A through hole 22 is provided on the bushing 21. The through hole 22 is adapted to the pivot 20. The pivot 20 passes through the through hole 22, and the through hole 22 positions the pivot 20 circumferentially. When the handle 5 drives the pivot 20 and the cam 6 to rotate, the bushing 21 also rotates under the drive of the pivot 20.

[0030] Specifically, to achieve the rotatable connection between the cam component 6 and the linkage block 8, the linkage block 8 is provided with a linkage shaft 15, and the cam component 6 has a connecting part 16. The linkage shaft 15 passes through the connecting part 16 and the two are rotatably engaged. When the handle 5 drives the cam component 6 to rotate through the pivot 20, the cam component 6 drives the linkage block 8 to slide along the linkage groove 7 through the linkage shaft 15. At the same time, the control tube 4 is driven to slide through the abutting action between the side wall of the linkage block 8 and the inner side wall of the linkage groove 7.

[0031] The valve body 1 has a mounting hole 23 and a cover plate 24 that covers the mounting hole 23. The cover plate 24 has a switch direction indicator 25, which indicates whether the handle 5 is turned in the opening or closing direction for user convenience. Alternatively, the cover plate 24 can also have a flow indicator, which indicates whether the flow rate is increased or decreased in the direction the handle 5 is turned.

[0032] A positioning element 9 is provided on the side wall of the valve body 1. The positioning element 9 is preferably a set screw. The set screw is threadedly connected to the valve body 1. A positioning ball 10 is movably provided on the positioning element 9. Specifically, a receiving groove 13 is provided on the positioning element 9. A spring 14 is provided in the receiving groove 13. The spring 14 is connected to the positioning ball 10. The positioning ball 10 can cooperate with the positioning element 9 to compress the spring 14.

[0033] The side wall of the cam member 6 is provided with at least two positioning grooves 11 for fitting the positioning ball 10. Preferably, there are three positioning grooves 11. As other options, the number of positioning grooves 11 can be appropriately increased or decreased, and there is no specific limitation on this. The positioning grooves 11 are used to position the positioning ball 10. Rotating the cam member 6 can cause the positioning ball 10 to enter or leave any one of the positioning grooves 11. Furthermore, the side wall of the cam member 6 is provided with a guide groove 12 for guiding the positioning ball 10. The guide groove 12 is opened along the rotation trajectory of the cam member 6. The positioning ball 10 can move along the guide groove 12 and enter or leave the positioning groove 11.

[0034] The positioning ball 10 is preloaded by the spring 14, so that the positioning ball 10 is always pressed in the guide groove 12. When the cam 6 rotates, the positioning ball 10 moves along the guide groove 12 until it enters the positioning groove 11. Only by applying a certain force to continue to drive the cam 6 to rotate through the handle 5 can the positioning ball 10 be disengaged from the positioning groove 11 and re-enter the guide groove 12. Then, it enters the adjacent positioning groove 11 along the guide groove 12. The preload of the positioning ball 10 by the spring 14 and the positioning effect of the positioning groove 11 on the positioning ball 10 ensure that the cam 6 is difficult to rotate easily, thereby ensuring that the control tube 4 is difficult to slide due to water flow.

[0035] In this embodiment, Figure 5 The valve body is a three-section type and uses a threaded structure for connection with the water hose. Figure 6 The valve body consists of two sections and is connected to the water hose via a threaded structure. Figure 7 It has a three-section valve body and uses a quick-connect interface for connection with water hoses. Figure 8 It has a two-section valve body 1 and uses a quick-connect interface to connect to the water hose.

[0036] The specific embodiments described herein are merely illustrative examples of the spirit of this utility model; those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or adopt similar methods to replace them, but without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A side-rotating sliding control valve, characterized in that: The valve includes a valve body (1) and a sealing plug (2). A water flow channel (3) is provided inside the valve body (1). A control pipe (4) is slidably disposed within the water flow channel (3). The control pipe (4) is positioned along the water flow direction and can cooperate with the sealing plug (2) to isolate the water flow channel (3). A handle (5) is rotatably disposed on the side wall of the valve body (1). A cam element (6) is rotatably disposed inside the valve body (1). The handle (5) is connected to the cam element (6). The side wall of the control pipe (4) is open... A linkage groove (7) is provided, and a matching linkage block (8) is slidably arranged in the linkage groove (7). The cam component (6) is rotatably connected to the linkage block (8). When the handle (5) is rotated to drive the cam component (6) to rotate, the cam component (6) drives the linkage block (8) to slide along the linkage groove (7), and the linkage block (8) drives the control pipe (4) to slide along the water flow channel (3), thereby increasing or decreasing the gap between the control pipe (4) and the sealing plug (2) through which water flows.

2. The side-rotating sliding control valve according to claim 1, characterized in that: The valve body (1) has a positioning element (9) on its side wall, and a positioning ball (10) is movably disposed on the positioning element (9). The cam element (6) has at least two positioning grooves (11) on its side wall that are adapted to the positioning ball (10). The positioning grooves (11) are used to position the positioning ball (10). Rotating the cam element (6) can cause the positioning ball (10) to enter or leave any of the positioning grooves (11).

3. A side-rotating sliding control valve according to claim 2, characterized in that: The side wall of the cam member (6) is provided with a guide groove (12) for guiding the positioning ball (10). The guide groove (12) is opened along the rotation trajectory of the cam member (6). The positioning ball (10) can move along the guide groove (12) and enter or leave the positioning groove (11).

4. A side-rotating sliding control valve according to claim 3, characterized in that: The positioning member (9) has a receiving groove (13), and a spring (14) is provided in the receiving groove (13). The spring (14) is connected to the positioning ball (10), and the positioning ball (10) can cooperate with the positioning member (9) to squeeze the spring (14).

5. A side-rotating sliding control valve according to any one of claims 1, 2, 3, or 4, characterized in that: The linkage block (8) is provided with a linkage shaft (15), and the cam (6) has a connecting part (16). The linkage shaft (15) passes through the connecting part (16) and the two are rotatably engaged.

6. A side-rotating sliding control valve according to any one of claims 1, 2, 3, or 4, characterized in that: The handle (5) has a connecting hole (17) on its side wall. A connecting block (18) is fitted inside the connecting hole (17). The connecting hole (17) is circumferentially positioned around the connecting block (18). The cam (6) has a through hole (19). A pivot (20) passes through the through hole (19). The through hole (19) is circumferentially positioned around the pivot (20). The end of the pivot (20) is detachably connected to the connecting block (18).

7. A side-rotating sliding control valve according to claim 6, characterized in that: A bushing (21) is rotatably disposed inside the valve body (1). A through hole (22) is provided on the bushing (21). The through hole (22) is adapted to the pivot (20). The pivot (20) passes through the through hole (22). The through hole (22) positions the pivot (20) circumferentially.

8. A side-rotating sliding control valve according to any one of claims 1, 2, 3, or 4, characterized in that: The valve body (1) has an installation hole (23) and a cover plate (24) covering the installation hole (23) is provided on the valve body (1). The cover plate (24) has a switch direction indicator (25).

9. A side-rotating sliding control valve according to any one of claims 1, 2, 3, or 4, characterized in that: The sealing plug (2) is provided with a flow guiding arc surface (26), which faces the water inlet end of the water passage (3).

10. A side-rotating sliding control valve according to any one of claims 1, 2, 3, or 4, characterized in that: The outer wall of the sealing plug (2) is provided with a sealing ring (27).

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