Anti-misoperation manual valve

Abstract

The utility model relates to a manual valve, in particular to an anti-misoperation manual valve. The anti-misoperation manual valve comprises a pipeline, a ball valve and a connecting shaft, the ball valve is rotationally connected to the middle of the interior of the pipeline, a through hole used for medium circulation is formed in the ball valve, the connecting shaft is fixedly connected to the right side of the ball valve, and the right end of the connecting shaft penetrates out of the pipeline. By arranging a sleeve, convex blocks, baffles and the like, the sleeve is reversely rotated to enable the connecting shaft to drive the ball valve to reversely rotate to gradually close the pipeline, when the sleeve rotates to a proper angle to enable the ball valve to completely close the pipeline, the baffles on the upper side and the lower side block the convex blocks on the upper side and the lower side correspondingly, then the sleeve is limited, and a user accurately operates the sleeve to reversely rotate by 90 degrees anticlockwise; and the pipeline is completely closed by the ball valve, so that waste caused by medium outflow due to incomplete closing of the pipeline due to wrong operation is avoided.

Description

Technical Field

[0001] The utility model relates to a manual valve, in particular to a manual valve for preventing misoperation. Background Art

[0002] A manual valve is a device used for control. It is a control component in a pipeline fluid delivery system. It is used to change the cross-section of the passage and the flow direction of the medium. It has functions such as diversion, cut-off, regulation, throttling, check, diversion or overflow pressure relief.

[0003] The patent with the patent authorization announcement number CN207005428U discloses a valve, including a rotary handle, a valve stem, a valve body, a positioning hole, a cover plate, a fixing column, a spring, and a positioning pin. The valve stem is arranged inside the upper boss of the valve body, and its upper end face is on the same horizontal plane as the upper end face of the valve body boss. The fixing column passes through the spring, the cover plate and the upper end face of the valve body boss in sequence and is threadedly connected. Although the above patent can use magnetic nesting to connect the rotary handle and the valve stem, which is convenient for disassembly and assembly, there are still some shortcomings in actual use. For example, when opening and closing the valve body, the valve stem is manually operated, and manual operation is prone to errors and cannot accurately operate the valve stem, which easily leads to the situation that the valve body is not completely closed, causing the medium to flow out and cause waste.

[0004] Therefore, there is a particular need for a manual valve that prevents misoperation to solve the problems existing in the prior art. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art that the valve stem is manually operated when opening and closing the valve body, and manual operation is prone to errors and the valve stem cannot be accurately operated, which easily leads to the situation that the valve body is not completely closed and the medium flows out and causes waste, the utility model provides a manual valve that prevents misoperation.

[0006] The utility model is realized by the following technical means: a manual valve for preventing misoperation includes a pipeline, a ball valve and a connecting shaft, the pipeline is rotatably connected with the ball valve in the middle, a through hole for medium circulation is provided inside the ball valve, a connecting shaft is fixedly connected to the right side of the ball valve, the right end of the connecting shaft passes through the outside of the pipeline, and also includes a spline block, a limit block, a limit rod, a connecting plate, a sleeve, a convex block and a baffle, the right end of the connecting shaft is fixedly connected with a spline block evenly spaced along the circumferential direction, the pipeline is fixedly connected with limit blocks distributed up and down on the outside, and the right side of the limit block is fixedly connected with limit rods distributed symmetrically. A connecting plate is slidably connected between the outsides of all the limit rods, and a sleeve is rotatably connected inside the connecting plate. The inside of the sleeve is provided with spline grooves evenly spaced and consistent with the number of spline blocks, and each spline groove and each corresponding spline block are on the same water surface. The outside of the sleeve is fixedly connected with symmetrically distributed protrusions, and the upper and lower protrusions are respectively located at the 0 degree and 180 degree positions of the sleeve. A baffle distributed along the circumferential direction is fixedly connected to the right side of the connecting plate. The sleeve is driven to move to the left by pushing the connecting plate to the left, thereby engaging the spline groove and the spline block, and then the sleeve is rotated to cause the connecting shaft to drive the ball valve to rotate.

[0007] Optionally, flanges for auxiliary installation are provided at both upper and lower ends of the pipeline.

[0008] Optionally, a knob is also included, and the right side of the sleeve is fixedly connected with a knob for assisting rotation.

[0009] Optionally, it also includes a wedge-shaped block, a spring I, a push plate and a connecting rod. The left side of the connecting plate is slidably connected to a wedge-shaped block distributed up and down. The outside of the wedge-shaped block is provided with a spring I for auxiliary resetting. The two ends of the spring I are respectively connected to the connecting plate and the wedge-shaped block. The limit block is provided with front and back distributed slots. Each wedge-shaped block is located on the right side of the corresponding slot. The slot is slidably connected to a push plate. The push plate is fixedly connected to the push plate. The wedge-shaped block is driven to move to the left by the connecting plate to engage with the slot. The button is pressed to make the connecting rod drive the push plate to move inward, thereby squeezing the wedge-shaped block out of engagement with the slot.

[0010] Optionally, it also includes an infrared sensor I, an infrared sensor II and a display module. The infrared sensor I is installed on the right side of the middle of the pipeline, the infrared sensor II is installed on the upper part of the sleeve, and the display module is installed on the right side of the upper part of the connecting plate. The display module is electrically connected to the infrared sensor I and the infrared sensor II.

[0011] Optionally, a button is further included, and the outward ends of two adjacent connecting rods are fixedly connected with a button.

[0012] Optionally, the button is made of soft rubber material.

[0013] Optionally, a spring II is also included. The connecting rod is sleeved with a spring II for assisting in resetting outside, and both ends of the spring II are respectively connected to the push plate and the button.

[0014] Optionally, a spring III is also included. The outer sleeve of the limiting rod is provided with a spring III for assisting in resetting, and the two ends of the spring III are respectively connected to the connecting plate and the limiting block.

[0015] From the above description of the structure of the utility model, it can be known that the design starting point, concept and advantages of the utility model are: 1. By setting a sleeve, a protrusion and a baffle, the sleeve is reversed so that the connecting shaft drives the ball valve to reverse and gradually close the pipeline. When the sleeve is rotated to a suitable angle so that the ball valve completely closes the pipeline, the baffles on the upper and lower sides respectively block the protrusions on the upper and lower sides, thereby limiting the sleeve, allowing the user to accurately operate the sleeve to reverse 90 degrees counterclockwise to ensure that the ball valve completely closes the pipeline, thereby avoiding incorrect operation that causes incomplete closure of the pipeline and causes waste caused by medium outflow.

[0016] 2. By setting a wedge-shaped card block and spring I, the connecting plate drives the wedge-shaped card block to move to the left to engage with the card slot, and then fixes the connecting plate on the limit plate, so that there is no need to manually fix the connecting plate. Then, by setting a push plate, a connecting rod and a button, the button is pressed by hand to make the connecting rod drive the push plate to move inward to squeeze the wedge-shaped card block, so that the wedge-shaped card block moves inward and disengages from the card slot, thereby achieving the effect of quick release.

[0017] 3. By setting spring II and spring III, spring II and spring III respectively assist the push plate and the connecting plate to move and reset, thereby achieving the effect of automatic reset. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0019] Figure 2 It is a partial cross-sectional view of the pipeline, ball valve, connecting shaft and other components of the utility model.

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the utility model including the pipeline, ball valve and connecting shaft.

[0021] Figure 4 It is a partial cross-sectional view of the sleeve, knob, connecting plate and other components of the utility model.

[0022] Figure 5 It is a partial cross-sectional view of the push plate, connecting rod, button and other components of the utility model.

[0023] Figure 6 It is a partial cross-sectional view of the connecting plate, wedge-shaped block and spring I of the utility model.

[0024] Figure 7 It is a three-dimensional structural schematic diagram of the sleeve, protrusion, knob and other components of the utility model.

[0025] Explanation of the accompanying drawings: 1. Pipe, 2. Ball valve, 21. Through hole, 3. Connecting shaft, 4. Spline block, 5. Sleeve, 51. Spline groove, 52. Protrusion, 6. Knob, 7. Connecting plate, 71. Baffle, 8. Wedge block, 9. Spring I, 10. Limit block, 11. Slot, 12. Push plate, 13. Connecting rod, 14. Button, 15. Spring II, 16. Limit rod, 17. Spring III, 18-Infrared sensor I, 181-Infrared sensor II, 19-Display module. DETAILED DESCRIPTION

[0026] The embodiments of the present invention will be described below with reference to the accompanying drawings.

[0027] Embodiment: A manual valve to prevent misoperation, see Figure 1-Figure 7 As shown, it includes a pipeline 1, a ball valve 2 and a connecting shaft 3. The upper and lower ends of the pipeline 1 are provided with flanges for auxiliary installation. The ball valve 2 is rotatably connected to the middle part of the pipeline 1. The ball valve 2 is provided inside the ball valve 2 for medium circulation. The right side of the ball valve 2 is connected to the connecting shaft 3 by welding. The right end of the connecting shaft 3 passes through the outside of the pipeline 1. It also includes a spline block 4, a limit block 10, a limit rod 16, a connecting plate 7, a spring III 17, a sleeve 5, a protrusion 52, a knob 6 and a baffle 71. The right end of the connecting shaft 3 is fixedly connected to the spline block 4 distributed along the circumferential direction. The outside of the pipeline 1 is connected to the limit blocks 10 distributed up and down by welding. The right side of the limit block 10 is threadedly connected to the limit rods 16 distributed symmetrically. The outsides of all the limit rods 16 are slidably connected with the connecting plate 7. The outer sleeve of the limit rod 16 A spring III17 for assisting resetting is provided, and both ends of the spring III17 are respectively connected to the connecting plate 7 and the limit block 10. The connecting plate 7 is rotatably connected to a sleeve 5. The sleeve 5 is provided with spline grooves 51 with the same number as the spline blocks 4, and each spline groove 51 is on the same water surface as each corresponding spline block 4. The outside of the sleeve 5 is connected with symmetrically distributed protrusions 52 by welding, and the upper and lower protrusions 52 are respectively located at 0 degrees and 180 degrees of the sleeve 5. The right side of the sleeve 5 is connected with a knob 6 for assisting rotation by welding, and the right side of the connecting plate 7 is connected with a circumferentially distributed baffle 71 by welding. The connecting plate 7 is pushed to the left to drive the sleeve 5 to move to the left, so that the spline groove 51 is clamped with the spline block 4, and then the sleeve 5 is rotated to make the connecting shaft 3 drive the ball valve 2 to rotate.

[0028] See also Figure 1 and Figure 4-Figure 6As shown, it also includes a wedge-shaped card block 8, a spring I9, a push plate 12, a connecting rod 13, a button 14 and a spring II 15. The left side of the connecting plate 7 is slidably connected to a wedge-shaped card block 8 distributed up and down. The outer sleeve of the wedge-shaped card block 8 is provided with a spring I9 for auxiliary reset. The two ends of the spring I9 are respectively connected to the connecting plate 7 and the wedge-shaped card block 8. The limit block 10 is provided with a front-to-back distributed card slot 11 inside. Each wedge-shaped card block 8 is located on the right side of the corresponding card slot 11. The card slot 11 is slidably connected to a push plate 12, and the push plate 12 is screwed The groove is connected with a connecting rod 13, and the outward ends of two adjacent connecting rods 13 are fixedly connected with buttons 14. The button 14 is made of soft rubber material. The outside of the connecting rod 13 is provided with a spring II 15 for auxiliary resetting. The two ends of the spring II 15 are respectively connected to the push plate 12 and the button 14. The wedge-shaped card block 8 is driven to move to the left through the connecting plate 7 to engage with the card slot 11. Then, by pressing the button 14, the connecting rod 13 drives the push plate 12 to move inward, thereby squeezing the wedge-shaped card block 8 out of engagement with the card slot 11.

[0029] See also Figure 1 and Figure 2 As shown, it also includes an infrared sensor I18, an infrared sensor II181 and a display module 19. The infrared sensor I18 is installed on the right side of the middle of the pipeline 1, and the infrared sensor II181 is installed on the upper part of the sleeve 5. The infrared sensor II181 is horizontally aligned with the infrared sensor I18. The display module 19 is installed on the right side of the upper part of the connecting plate 7. The display module 19 is electrically connected to the infrared sensor I18 and the infrared sensor II181.

[0030] Initially, the infrared sensor I18 and the infrared sensor II181 are aligned with each other and transmit signals to the display module 19, so that the display module 19 displays that the pipeline 1 is in a closed state. First, the user installs the pipeline 1 on the discharge pipe of the medium container. When the medium needs to be taken, the user pushes the connecting plate 7 to the left to drive the sleeve 5 to move to the left, and the spring III17 is compressed, so that the spline groove 51 is engaged with the spline block 4. The connecting plate 7 also drives the wedge-shaped block 8 to move to the left to engage with the slot 11, thereby fixing the connecting plate 7 on the limit plate, so that there is no need to manually fix the connecting plate 7, and then pinch the knob 6 by hand to turn the sleeve clockwise. 5, so that the connecting shaft 3 drives the ball valve 2 to rotate and gradually open the pipeline 1 (at this time, the through hole 21 gradually faces up and down), when the sleeve 5 rotates to a suitable angle to make the ball valve 2 completely open the pipeline 1 (at this time, the through hole 21 completely faces up and down), the baffle 71 on the rear side blocks the convex block 52 on the upper side, and the baffle 71 on the front side blocks the convex block 52 on the lower side, thereby limiting the sleeve 5, allowing the user to accurately operate the sleeve 5 to rotate 90 degrees clockwise to ensure that the ball valve 2 completely opens the pipeline 1. In this process, the sleeve 5 drives the infrared sensor II 181 to rotate and stagger the infrared sensor I 18, and the infrared sensor II 181 and the infrared sensor I 18 simultaneously transmit signals to The display module 19 makes the display module 19 show that the pipeline 1 is in an open state. After taking out the medium, the user pinches the knob 6 with his hand to reverse the sleeve 5 counterclockwise, so that the connecting shaft 3 drives the ball valve 2 to reverse and gradually close the pipeline 1 (at this time, the through hole 21 gradually faces the front and back direction). When the sleeve 5 is rotated to a suitable angle to make the ball valve 2 completely close the pipeline 1 (at this time, the through hole 21 completely faces the front and back direction), the upper baffle 71 blocks the upper protrusion 52, and the lower baffle 71 blocks the lower protrusion 52, and then the sleeve 5 is limited again, so that the user can accurately operate the sleeve 5 to reverse 90 degrees counterclockwise to ensure that the ball valve 2 completely closes the pipeline 1, thereby avoiding operation. The operation is incorrect, resulting in incomplete closure of the pipeline 1, causing the medium to flow out and cause waste. After closing the pipeline 1, press the button 14 by hand, so that the connecting rod 13 drives the push plate 12 to move inward to squeeze the wedge-shaped block 8, and the spring II 15 and the spring I 9 are compressed, so that the wedge-shaped block 8 moves inward and disengages from the card slot 11, and the spring III 17 returns to its original state, so that the connecting plate 7 moves to the right for reset, and then release the button 14, and the spring II 15 returns to its original state, so that the connecting rod 13 drives the push plate 12 to move outward for reset. After the pipeline 1 is closed, the sleeve 5 and the connecting plate 7 block the connecting shaft 3, thereby preventing the connecting shaft 3 from being accidentally touched by the outside world and causing it to rotate.

[0031] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A manual valve to prevent misoperation, comprising a pipeline (1), a ball valve (2) and a connecting shaft (3), wherein the pipeline (1) is rotatably connected to the middle of the ball valve (2), the ball valve (2) is provided with a through hole (21) for medium circulation, the right side of the ball valve (2) is fixedly connected to the connecting shaft (3), the right end of the connecting shaft (3) passes through the outside of the pipeline (1), and is characterized in that: The invention also comprises a spline block (4), a limit block (10), a limit rod (16), a connecting plate (7), a sleeve (5), a convex block (52) and a baffle (71); the right end of the connecting shaft (3) is fixedly connected to a spline block (4) distributed in the circumferential direction; the outside of the pipeline (1) is fixedly connected to a limit block (10) distributed up and down; the right side of the limit block (10) is fixedly connected to a symmetrically distributed limit rod (16); the outsides of all the limit rods (16) are slidably connected to a connecting plate (7); the inside of the connecting plate (7) is rotatably connected to a sleeve (5); the inside of the sleeve (5) is provided with a spline groove (51) distributed at even intervals; the outside of the sleeve (5) is fixedly connected to symmetrically distributed convex blocks (52); and the right side of the connecting plate (7) is fixedly connected to a circumferentially distributed baffle (71).

2. The anti-misoperation manual valve according to claim 1, characterized in that: Flanges for auxiliary installation are provided at both the upper and lower ends of the pipeline (1).

3. The anti-misoperation manual valve according to claim 2, characterized in that: It also includes a knob (6), and the right side of the sleeve (5) is fixedly connected with the knob (6) for assisting rotation.

4. The anti-misoperation manual valve according to claim 3, characterized in that: The invention also comprises a wedge-shaped card block (8), a spring I (9), a push plate (12) and a connecting rod (13); the left side of the connecting plate (7) is slidably connected to a wedge-shaped card block (8) distributed up and down; the outer portion of the wedge-shaped card block (8) is sleeved with a spring I (9) for assisting in resetting; the inner portion of the limit block (10) is provided with a card slot (11) distributed frontward and rearward; the inner portion of the card slot (11) is slidably connected to a push plate (12); and the push plate (12) is fixedly connected to the connecting rod (13).

5. The anti-misoperation manual valve according to claim 4, characterized in that: The invention also comprises an infrared sensor I (18), an infrared sensor II (181) and a display module (19). The infrared sensor I (18) is installed on the right side of the middle of the pipe (1), the infrared sensor II (181) is installed on the upper part of the sleeve (5), and the display module (19) is installed on the right side of the upper part of the connecting plate (7). The display module (19) is electrically connected to the infrared sensor I (18) and the infrared sensor II (181).

6. The anti-misoperation manual valve according to claim 5, characterized in that: It also includes a button (14), and the outward ends of two adjacent connecting rods (13) are fixedly connected to the button (14).

7. The anti-misoperation manual valve according to claim 6, characterized in that: The button (14) is made of soft rubber material.

8. The anti-misoperation manual valve according to claim 7, characterized in that: It also includes a spring II (15). The connecting rod (13) is sleeved with a spring II (15) for assisting in resetting. The two ends of the spring II (15) are respectively connected to the push plate (12) and the button (14).

9. The anti-misoperation manual valve according to claim 8, characterized in that: It also includes a spring III (17). The outer portion of the limiting rod (16) is sleeved with a spring III (17) for assisting in resetting. The two ends of the spring III (17) are respectively connected to the connecting plate (7) and the limiting block (10).

Images