Valve capable of automatically locking handle and three-way valve

Abstract

The utility model discloses a valve capable of automatically locking a handle and a three-way valve, and aims to solve the problems that a handle locking device is inconvenient to operate and cannot automatically lock the handle in the prior art. According to the technical scheme, a valve rod is arranged on a valve body, and one end, far away from the valve body, of the valve rod is connected with a handle; a sliding groove is formed in the handle in the length direction of the handle, and the locking component is arranged in the sliding groove in a sliding mode; the locking part comprises a locking piece, an elastic piece for pushing the locking piece to move towards the valve rod and a control piece for controlling the locking piece to move; a locking groove is formed in the circumferential edge, around the valve rod, of the valve body, the elastic piece pushes the locking piece to be clamped into the locking groove, and the handle is locked. The control piece is pushed to drive the locking piece to move out of the locking groove, and handle locking is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of inventions, and more particularly to a valve and a three-way valve capable of automatically locking a handle. Background Art

[0002] Valves are pipe accessories used to open and close pipelines, control flow direction, and adjust and control the parameters (temperature, pressure, and flow) of the conveying medium. According to their functions, they can be divided into shut-off valves, check valves, regulating valves, etc.

[0003] A valve usually includes a valve stem, a valve core connected to the valve stem, and a handle that controls the rotation of the valve stem. By turning the handle, the valve stem is driven to rotate, thereby controlling the opening and closing of the valve.

[0004] In the prior art, in order to prevent the valve stem from rotating due to the action of fluid pressure and causing the valve to open, a locking mechanism is usually provided on the handle to limit the rotation of the handle. However, the locking mechanism in the prior art is not only complicated, but also very troublesome to install and operate.

[0005] Chinese patent announcement number CN211693746, announcement date October 16, 2020, the name of the invention is ball valve operating handle locking device, the application discloses a locking device for locking the valve handle; it specifically includes a ball valve body, one end of the ball valve body is fixedly installed with a medium inlet, the other end of the ball valve body is fixedly installed with a medium outlet, the upper part of the ball valve body is fixedly installed with a valve seat, the interior of the ball valve body is penetrated by a valve stem, and a ball valve handle is fixedly installed on the top of the valve stem, and a handle locking mechanism is provided between the ball valve handle and the valve seat, and the handle locking mechanism includes a handle locking seat, a locking bolt, a limit cap, a through groove, a locking nut, and a locking handle, and a mounting mechanism is provided between the handle locking seat and the valve seat, and the mounting mechanism includes a mounting seat, a hexagonal through hole, a protrusion, a mounting bolt and a mounting nut.

[0006] Although the above application can lock the handle through the locking mechanism, its structure is complicated, inconvenient to use and inconvenient to install. Utility Model Content

[0007] The present invention overcomes the following two deficiencies of the handle locking device in the prior art: (1) inconvenient operation, inability to automatically lock the handle; and (2) complex structure and inconvenient installation. A valve that can automatically lock the handle is provided. The valve is very convenient to use and can automatically lock the handle when the handle is released, and can be easily unlocked when in use. The valve has the characteristics of simple structure and easy installation, and does not require the use of fixing structures such as bolts for installation.

[0008] In order to solve the above technical problems, the present invention adopts the following technical solution: a valve capable of automatically locking a handle, comprising:

[0009] A valve body is provided with a valve stem, and an end of the valve stem away from the valve body is connected to a handle;

[0010] The locking component is provided with a slide groove along the length direction of the handle, and the locking component is slidably arranged in the slide groove; the locking component includes a locking member, an elastic member that pushes the locking member to move toward the valve stem, and a control member that controls the movement of the locking member;

[0011] A locking groove is provided on the circumferential edge of the valve body around the valve stem. The elastic member pushes the locking member into the locking groove to lock the handle; the pushing control member drives the locking member out of the locking groove to release the handle lock.

[0012] In the present invention, a locking component is provided. When in use, an elastic component pushes the locking component into the locking groove, automatically locking the handle. When the handle needs to be turned, the user holds the handle with his hand and presses the control component with his thumb to pull the locking component back against the elastic force of the elastic component, so that the locking component is disengaged from the locking groove. At this time, the handle is unlocked and the handle can be turned. The valve stem drives the valve core to move, controlling the opening or closing of the valve. When the handle is turned, the user releases the thumb, and the locking component is pushed by the elastic component to re-engage the locking groove, thereby automatically locking the handle. Therefore, the present invention does not require additional operations, has the characteristics of easy operation, and can realize the function of automatically locking the handle.

[0013] Preferably, the elastic member is a bent spring sheet, one end of which is fixedly connected to the locking member, and the other end of which abuts against an end of the sliding slot away from the valve stem.

[0014] The elastic member in the present application is provided with a spring structure, which is not only simple in structure, but also the spring and the elastic member are integrally formed and provided, so that they can be produced in one go, thus reducing production costs and eliminating the assembly process.

[0015] Preferably, the control member includes a control plate fixedly arranged on the top of the locking member and a control ridge arranged on the control plate.

[0016] The length direction of the control ridge is perpendicular to the length direction of the slide groove. When holding the handle, the thumb can be used to push the control ridge to push the locking member to move along the slide groove.

[0017] Preferably, a plurality of locking grooves are arranged at intervals along the circumferential direction of the valve stem, and the plurality of locking grooves are evenly distributed around the valve stem.

[0018] The locking groove is set according to the open and closed positions of the valve. Specifically, a locking groove can be set at the open position of the valve, and a locking groove can be set at the closed position of the valve to facilitate maintaining the locked and closed states of the valve. In this application, several locking grooves are set at intervals in the circumferential direction of the valve stem, which can enable the valve to remain open at a certain angle and also make the overall look more beautiful.

[0019] Preferably, a limiting groove is provided at one end of the chute close to the valve stem, the limiting groove is connected to the chute, the width of the limiting groove is greater than the width of the chute, and a limiting portion adapted to the width of the limiting groove is provided at the bottom of the locking member;

[0020] A filling piece is arranged in the limiting groove and is interference-fitted with the limiting groove.

[0021] The combination of the retaining groove and the filler piece facilitates the installation of the locking component, eliminating the need for bolts or other components to position the locking component. The specific installation steps for the locking component are as follows: First, the locking component passes through the retaining groove, then slides the locking component into the chute, and then inserts the filler piece into the retaining groove. At this point, the control piece and retaining portion of the locking component are located at the upper and lower ends of the chute, respectively, limiting the position of the locking component. To replace the locking component, simply remove the filler piece from the retaining groove and then remove the locking component through the retaining groove.

[0022] Preferably, a connecting plate is fixedly connected to the filling piece.

[0023] The provision of the connecting plate can facilitate the removal of the filling piece from the limiting groove.

[0024] Preferably, a mounting groove cooperating with the connecting plate is provided on the upper end surface of the handle, and the connecting plate is adapted to the mounting groove.

[0025] The connecting plate is adapted to the mounting groove so that the connecting plate can be embedded in the mounting groove. After the connecting plate is installed in the mounting groove, the surface of the handle can also be flat. At the same time, the through hole is set in the mounting groove, and the connecting plate can block the bolt on the through hole, making the appearance more beautiful.

[0026] Preferably, a tool groove is provided at the end of the handle away from the slide groove, a wrench is provided in the tool groove, and the handle is interference fit in the tool groove; the end of the tool groove away from the slide groove extends to the end of the handle, and a second groove is provided at this end for facilitating the removal of the tool.

[0027] Typically, a channel communicating with the valve cavity is provided on the sidewall of the valve body, a compression cover is provided in the channel, and a compression rod is threadedly connected to the channel. The compression cover has four evenly distributed notches circumferentially, and protruding teeth that fit into the notches are provided at both ends of a wrench. Thus, the compression cover can be removed from the channel by engaging the wrench with the notches. However, since a wrench that fits into the notches is not a common tool, a wrench is embedded in the handle to facilitate removal of the compression cover during maintenance. This allows the wrench to be removed from the handle simply when needed.

[0028] The present application also discloses a three-way valve, including the above-mentioned valve capable of automatically locking the handle.

[0029] Compared with the prior art, the beneficial effects of the present invention are:

[0030] (1) A locking component is provided. When in use, the elastic component pushes the locking component into the locking groove, automatically locking the handle. When the handle needs to be turned, the user holds the handle with his hand and presses the control component with his thumb to pull the locking component back against the elastic force of the elastic component, so that the locking component is disengaged from the locking groove. At this time, the handle is unlocked and the handle can be turned to drive the valve core through the valve stem to control the opening or closing of the valve. When the handle is turned, the user releases the thumb, and the locking component is pushed by the elastic component to re-engage the locking groove, thereby automatically locking the handle. Therefore, the present application does not require any additional operation, is easy to operate, and can realize the function of automatically locking the handle.

[0031] (2) The combination of the limiting groove and the filling piece makes it easy to install the locking component. The locking component can be limited without the use of bolts or other parts. The specific steps for installing the locking component are as follows: first, the locking component passes through the limiting groove, then the locking component is slid into the slide groove, and then the filling piece is inserted into the limiting groove. At this time, the control part and the limiting part on the locking component are respectively located at the upper and lower ends of the slide groove, which play a role in limiting the locking component. When the locking component needs to be replaced, it is only necessary to remove the filling piece from the limiting groove and then remove the locking component through the limiting groove.

[0032] (3) In order to facilitate the removal of the compression cover during maintenance, a wrench is embedded in the handle so that when the wrench is needed, the wrench can be removed from the handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a three-dimensional structural diagram of the utility model.

[0034] Figure 2 It is an exploded view of the present utility model.

[0035] Figure 3It is an exploded view of the handle-related parts of the present invention.

[0036] Figure 4 It is a cross-sectional view of the present utility model.

[0037] In the figure: 1, valve body, 11, locking groove, 12, valve cavity, 13, valve core, 14, channel;

[0038] 2. Valve stem, 21. Prism, 22. Threaded hole;

[0039] 3. Locking component, 31. Long rod, 32. Spring piece, 33. Control plate, 34. Control ridge, 35. Limiting ridge;

[0040] 4. Handle, 41. Slide groove, 42. Square hole, 421. Through hole, 43. Limiting groove, 44. Mounting groove, 441. First groove, 45. Tool groove, 451. Second groove;

[0041] 5. Filler, 51. Connecting plate;

[0042] 6. Wrench, 61. Raised teeth;

[0043] 7. Press the cover tightly, 71. Notch. DETAILED DESCRIPTION

[0044] The technical solution of the present invention is further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0045] Example 1: Reference Figures 1 to 4 As shown, a valve capable of automatically locking a handle 4 comprises a valve body 1 , a valve stem 2 and a locking component 3 .

[0046] The valve stem 2 is disposed in the valve body 1 , and one end of the valve stem 2 away from the valve body 1 is connected to a handle 4 .

[0047] The handle 4 is provided with a slide groove 41 along its length, and the slide groove 41 is provided throughout the handle 4. The locking component 3 is slidably provided in the slide groove 41; the locking component 3 includes a locking member, an elastic member that pushes the locking member to move toward the valve stem 2, and a control member that controls the movement of the locking member.

[0048] Among them, a locking groove 11 is provided on the circumferential edge of the valve body 1 around the valve stem 2. The elastic member pushes the locking member into the locking groove 11 to lock the handle 4; the pushing control member drives the locking member to move out of the locking groove 11 to unlock the handle 4.

[0049] Specifically, a valve cavity 12 for installing a valve core 13 is provided in the valve body 1, and a first through-hole is provided at the upper end of the valve cavity 12. The first through-hole connects the valve cavity 12 and the outside of the valve body 1. The valve stem 2 is rotatably provided in the first through-hole. One end of the valve stem 2 is fixedly connected to the valve core 13, and the other end of the valve stem 2 is fixedly connected to the handle 4. When the handle 4 is transmitted, the handle 4 drives the valve stem 2 to rotate, and the valve stem 2 drives the valve core 13 to rotate to control the opening and closing of the valve body 1.

[0050] In one embodiment, the locking member is a long rod 31 that cooperates with the slide groove 41, and the length of the long rod 31 is greater than the depth of the slide groove 41. At the same time, in order to make the long rod 31 slide more stably in the slide groove 41, the width of the long rod 31 is slightly smaller than the width of the slide groove 41, so that the long rod 31 can slide smoothly in the slide groove 41.

[0051] In one embodiment, a quadrilateral prism 21 is provided at the end of the valve stem 2 away from the valve core 13, a threaded hole 22 is provided at the top of the prism 21, a square hole 42 is provided on the handle 4 to cooperate with the quadrilateral prism 21, and a through hole 421 is provided at the bottom of the square hole 42. The square hole 42 on the handle 4 cooperates with the prism 21, and a bolt passes through the through hole and is threadedly connected to the threaded hole 22, thereby fixing the handle 4 and the valve stem 2. The square hole 42 cooperates with the valve stem 2, and when the handle 4 is turned, the valve stem 2 can be rotated.

[0052] In one embodiment, the elastic member can be configured as a spring fixedly connected to the locking member or a rubber column with a telescopic function. In this embodiment, the elastic member is a bent spring 32, one end of which is fixedly connected to the locking member, while the other end abuts against the end of the slide 41 away from the valve stem 2. The elastic member can be configured in other shapes such as "S" shape, wave shape, or "N" shape. In this embodiment, the spring 32 is configured in a "V" shape.

[0053] The elastic member in this embodiment is provided by a spring piece 32 , which not only has a simple structure, but also the spring piece 32 and the elastic member are integrally formed, so that they can be produced in one go, reducing production costs and eliminating the assembly process.

[0054] In one embodiment, the control member includes a control plate 33 fixedly mounted on the top of the locking member and a control rib 34 mounted on the control plate 33. In this embodiment, the control plate 33 is fixedly mounted on the top of the locking member. The width of the control plate 33 is greater than the width of the chute 41, and the length of the control plate 33 is also greater than the length of the cross-section of the locking member, so that both ends of the control plate 33 in the longitudinal direction and the ends in the width direction extend outward toward the edge of the locking member. The length direction of the control rib 34 is perpendicular to the length direction of the chute 41. When holding the handle 4, the control rib 34 can be pushed with the thumb to push the locking member along the chute 41. In addition, to increase the friction of the thumb, a frosted surface can be provided on the upper end surface of the control plate 33 and the surface of the control rib 34 to increase the friction between the thumb and the control member.

[0055] In one embodiment, a plurality of locking grooves 11 are spaced apart along the circumferential direction of the valve stem 2 , and the plurality of locking grooves 11 are evenly distributed around the valve stem 2 .

[0056] The locking groove 11 is set according to the opening and closing positions of the valve. Specifically, a locking groove 11 can be set at the valve opening position, and a locking groove 11 can be set at the valve closing position to facilitate maintaining the valve locked and closed states. In this embodiment, several locking grooves are set at intervals in the circumferential direction of the valve stem 2, which can enable the valve to remain open at a certain angle and also make the overall appearance more beautiful.

[0057] In one embodiment, the locking member, the control member and the elastic member are all integrally formed. The integrally formed locking member 3 can be formed in one step, eliminating the need for subsequent assembly processes and reducing production costs.

[0058] In the present invention, a locking component 3 is provided. When in use, an elastic member pushes the locking member into the locking groove 11, automatically locking the handle 4. When the handle 4 needs to be turned, the user holds the handle 4 by hand and presses the control member with the thumb to pull the locking component 3 back against the elastic force of the elastic member, so that the locking member is disengaged from the locking groove 11. At this time, the handle 4 is unlocked, and the handle 4 can be turned to drive the valve core 13 to move through the valve stem 2 to control the opening or closing of the valve. When the handle 4 is rotated, the user releases the thumb, and the locking member is pushed by the elastic member to re-engage the locking groove 11, thereby automatically locking the handle 4. Therefore, the present invention does not require additional operations, has the characteristics of convenient operation, and can realize the function of automatically locking the handle 4.

[0059] Example 2: Reference Figures 1 to 4 As shown, a valve capable of automatically locking a handle 4 comprises a valve body 1 , a valve stem 2 and a locking component 3 .

[0060] The valve stem 2 is disposed in the valve body 1 , and one end of the valve stem 2 away from the valve body 1 is connected to a handle 4 .

[0061] The handle 4 is provided with a slide groove 41 along its length, and the slide groove 41 is provided throughout the handle 4. The locking component 3 is slidably provided in the slide groove 41; the locking component 3 includes a locking member, an elastic member that pushes the locking member to move toward the valve stem 2, and a control member that controls the movement of the locking member.

[0062] Among them, a locking groove 11 is provided on the circumferential edge of the valve body 1 around the valve stem 2. The elastic member pushes the locking member into the locking groove 11 to lock the handle 4; the pushing control member drives the locking member to move out of the locking groove 11 to unlock the handle 4.

[0063] Specifically, a valve cavity 12 for installing a valve core 13 is provided in the valve body 1, and a first through-hole is provided at the upper end of the valve cavity 12. The first through-hole connects the valve cavity 12 and the outside of the valve body 1. The valve stem 2 is rotatably provided in the first through-hole. One end of the valve stem 2 is fixedly connected to the valve core 13, and the other end of the valve stem 2 is fixedly connected to the handle 4. When the handle 4 is transmitted, the handle 4 drives the valve stem 2 to rotate, and the valve stem 2 drives the valve core 13 to rotate to control the opening and closing of the valve body 1.

[0064] In one embodiment, the locking member is a long rod 31 that cooperates with the slide groove 41, and the length of the long rod 31 is greater than the depth of the slide groove 41. At the same time, in order to make the long rod 31 slide more stably in the slide groove 41, the width of the long rod 31 is slightly smaller than the width of the slide groove 41, so that the long rod 31 can slide smoothly in the slide groove 41.

[0065] In one embodiment, a quadrilateral prism 21 is provided at the end of the valve stem 2 away from the valve core 13, a threaded hole 22 is provided at the top of the prism 21, a square hole 42 is provided on the handle 4 to cooperate with the quadrilateral prism 21, and a through hole 421 is provided at the bottom of the square hole 42. The square hole 42 on the handle 4 cooperates with the prism 21, and a bolt passes through the through hole and is threadedly connected to the threaded hole 22, thereby fixing the handle 4 and the valve stem 2. The square hole 42 cooperates with the valve stem 2, and when the handle 4 is turned, the valve stem 2 can be rotated.

[0066] In one embodiment, the elastic member can be configured as a spring fixedly connected to the locking member or a rubber column with a telescopic function. In this embodiment, the elastic member is a bent spring 32, one end of which is fixedly connected to the locking member, while the other end abuts against the end of the slide 41 away from the valve stem 2. The elastic member can be configured in other shapes such as "S" shape, wave shape, or "N" shape. In this embodiment, the spring 32 is configured in a "V" shape.

[0067] The elastic member in this embodiment is provided by a spring piece 32 , which not only has a simple structure, but also the spring piece 32 and the elastic member are integrally formed, so that they can be produced in one go, reducing production costs and eliminating the assembly process.

[0068] In one embodiment, the control member includes a control plate 33 fixedly mounted on the top of the locking member and a control rib 34 mounted on the control plate 33. In this embodiment, the control plate 33 is fixedly mounted on the top of the locking member. The width of the control plate 33 is greater than the width of the chute 41, and the length of the control plate 33 is also greater than the length of the cross-section of the locking member, so that both ends of the control plate 33 in the longitudinal direction and the ends in the width direction extend outward toward the edge of the locking member. The length direction of the control rib 34 is perpendicular to the length direction of the chute 41. When holding the handle 4, the control rib 34 can be pushed with the thumb to push the locking member along the chute 41. In addition, to increase the friction of the thumb, a frosted surface can be provided on the upper end surface of the control plate 33 and the surface of the control rib 34 to increase the friction between the thumb and the control member.

[0069] In one embodiment, a plurality of locking grooves 11 are spaced apart along the circumferential direction of the valve stem 2 , and the plurality of locking grooves 11 are evenly distributed around the valve stem 2 .

[0070] The locking groove 11 is set according to the opening and closing positions of the valve. Specifically, a locking groove 11 can be set at the valve opening position, and a locking groove 11 can be set at the valve closing position to facilitate maintaining the valve locked and closed states. In this embodiment, several locking grooves are set at intervals in the circumferential direction of the valve stem 2, which can enable the valve to remain open at a certain angle and also make the overall appearance more beautiful.

[0071] In one embodiment, the locking member, the control member and the elastic member are all integrally formed. The integrally formed locking member 3 can be formed in one step, eliminating the need for subsequent assembly processes and reducing production costs.

[0072] The structure of this embodiment is similar to that of the embodiment 1, except that a limiting groove 43 is provided at one end of the chute 41 close to the valve stem 2, the limiting groove 43 is connected to the chute 41, the width of the limiting groove 43 is greater than the width of the chute 41, and a limiting portion adapted to the width of the limiting groove 43 is provided at the bottom of the locking member;

[0073] A filler 5 is positioned within the retaining groove 43, forming an interference fit therewith. The filler 5 is a rod-shaped structure. The retaining portion is a retaining ridge 35 protruding from the outer sidewall of the bottom of the locking member. The distance between the retaining ridge 35 and the control plate 33 is greater than the depth of the locking groove 11.

[0074] The combination of the retaining groove 43 and the filling piece 5 facilitates installation of the locking component 3, eliminating the need for bolts or other components to retain the locking component 3 in place. The specific installation steps for the locking component 3 are as follows: First, the locking component passes through the retaining groove 43. The locking component is then slid into the chute 41. The filling piece 5 is then inserted into the retaining groove 43. At this point, the control member and the retaining member on the locking component are located at the upper and lower ends of the chute 41, respectively, limiting the locking component. To replace the locking component 3, simply remove the filling piece 5 from the retaining groove 43 and then remove the locking component through the retaining groove 43.

[0075] In one embodiment, a connecting plate 51 is fixedly connected to the filling piece 5. The provision of the connecting plate 51 can facilitate the removal of the filling piece 5 from the limiting groove 43.

[0076] In one embodiment, a mounting groove 44 is provided on the upper end surface of the handle 4 to mate with a connecting plate 51. The connecting plate 51 fits snugly within the mounting groove 44. Once the connecting plate 51 is installed within the mounting groove 44, the surface of the handle 4 is smooth. Furthermore, a through-hole is provided within the mounting groove 44, and the connecting plate 51 seals the bolts in the through-hole, enhancing the appearance.

[0077] In addition, a first groove 441 is provided in the edge of the mounting slot 44 . When the connecting plate 51 is removed, the connecting plate 51 can be pried through the first groove 441 .

[0078] In the present invention, a locking component 3 is provided. When in use, an elastic member pushes the locking member into the locking groove 11, automatically locking the handle 4. When the handle 4 needs to be turned, the user holds the handle 4 by hand and presses the control member with the thumb to pull the locking component 3 back against the elastic force of the elastic member, so that the locking member is disengaged from the locking groove 11. At this time, the handle 4 is unlocked, and the handle 4 can be turned to drive the valve core 13 to move through the valve stem 2 to control the opening or closing of the valve. When the handle 4 is rotated, the user releases the thumb, and the locking member is pushed by the elastic member to re-engage the locking groove 11, thereby automatically locking the handle 4. Therefore, the present invention does not require additional operations, has the characteristics of convenient operation, and can realize the function of automatically locking the handle 4.

[0079] Example 3: Reference Figures 1 to 4As shown, this embodiment is similar in structure to embodiment 1 or embodiment 2, except that a tool groove 45 is provided at the end of the handle 4 away from the slide groove 41, a wrench 6 is provided in the tool groove 45, and the handle 4 is interference fit in the tool groove 45; the end of the tool groove 45 away from the slide groove 41 extends to the end of the handle 4, and a second groove 451 is provided at this end for facilitating the removal of the tool.

[0080] Generally, a passage 14 communicating with the valve cavity 12 is provided on the side wall of the valve body 1, a compression cover 7 is provided in the passage 14, and a compression rod is threadedly connected to the passage 14. Four evenly distributed notches 71 are provided in the circumferential direction of the compression cover 7, and protruding teeth 61 that cooperate with the notches 71 are provided at both ends of the wrench 6. Therefore, the compression cover 7 can be removed from the passage 14 by cooperating with the notches 71 through the wrench 6. However, since the wrench 6 that cooperates with the notches 71 is not a common tool, in order to facilitate the removal of the compression cover 7 during maintenance, the wrench 6 is embedded in the handle 4, so that when the wrench 6 is needed, it can be removed from the handle 4.

[0081] Example 4: Reference Figures 1 to 4 As shown, a three-way valve includes a valve capable of automatically locking a handle 4 as described in Example 1, Example 2 and Example 3, and three channels 14 communicating with a valve cavity 12 are provided on the outside of the valve body 1.

[0082] The above-described embodiments are only preferred solutions of the present invention and do not limit the present invention in any form. Other variations and modifications are possible without exceeding the technical solutions described in the claims.

Claims

1. A valve with an automatic locking handle, comprising: A valve body is provided with a valve stem, and an end of the valve stem away from the valve body is connected to a handle; The locking component is provided with a slide groove along the length direction of the handle, and the locking component is slidably arranged in the slide groove; the locking component includes a locking member, an elastic member that pushes the locking member to move toward the valve stem, and a control member that controls the movement of the locking member; A locking groove is provided on the circumferential edge of the valve body around the valve stem. The elastic member pushes the locking member into the locking groove to lock the handle; the pushing control member drives the locking member out of the locking groove to release the handle lock.

2. The valve with automatic locking handle according to claim 1, characterized in that: The elastic member is a bent spring sheet, one end of which is fixedly connected to the locking member, and the other end of which abuts against an end of the sliding slot away from the valve stem.

3. The valve with automatic locking handle according to claim 1, characterized in that: The control component comprises a control plate fixedly arranged on the top of the locking component and a control ridge arranged on the control plate.

4. The valve with automatic handle locking according to any one of claims 1 to 3, characterized in that: A plurality of locking grooves are arranged at intervals along the circumferential direction of the valve stem, and the plurality of locking grooves are evenly distributed around the valve stem.

5. The valve with automatic locking handle according to claim 1, characterized in that: A limiting groove is provided at one end of the chute close to the valve stem, the limiting groove is connected to the chute, the width of the limiting groove is greater than the width of the chute, and a limiting portion adapted to the width of the limiting groove is provided at the bottom of the locking member; A filling piece is arranged in the limiting groove and is interference-fitted with the limiting groove.

6. The valve with automatic handle locking according to claim 5, characterized in that: The filling piece is fixedly connected with a connecting plate.

7. The valve with automatic handle locking according to claim 6, characterized in that: An installation groove that matches the connecting plate is provided on the upper end surface of the handle, and the connecting plate is adapted to the installation groove.

8. The valve with automatic handle locking according to claim 1 or 2 or 3 or 5 or 6 or 7, characterized in that: A tool groove is provided at the end of the handle away from the slide, a wrench is provided in the tool groove, and the handle is interference fit in the tool groove; the end of the tool groove away from the slide extends to the end of the handle, and a second groove is provided at this end for facilitating the removal of the tool.

9. A three-way valve, characterized in that: A valve with an automatically locking handle according to any one of claims 1 to 8.

Images