Valve handle with lock catch

Abstract

The valve handle with the lock catch comprises a locking pin, the periphery of the locking pin is located in a first through hole and a second through hole and used for fixing the relative position of a handle body and a clamping handle, a lock head is arranged at one end of the locking pin and used for fixing the relative position of the locking pin, and the locking pin is of a T-shaped structure. One end of the locking pin can abut against the outer side of the handle body, and the other end of the locking pin sequentially penetrates through the first through hole and the second through hole and then is provided with the lock head. According to the valve handle with the lock catch, the locking pin is of the T-shaped structure, one end of the locking pin can abut against the outer side of the handle body, the other end of the locking pin sequentially penetrates through the first through hole and the second through hole and then is provided with the lock head, and the relative position of one end of the locking pin and the handle body or the clamping handle is locked through the T-shaped structure. The relative position of the other end of the locking pin and the handle body or the clamping handle is locked through the lock head, the lock head and the T-shaped end portion are located in the same axial direction, and operation of workers is facilitated.

Description

Technical Field

[0001] The utility model belongs to the field of valves, and in particular relates to a valve handle with a lock buckle. Background Art

[0002] In valve applications, the gap between the valve disc or valve plate and the valve seat determines the flow rate of the medium fluid in the pipeline. The gap can be regarded as the opening of the valve. In use, as the medium fluid affects the valve disc or valve plate, the gap will become larger or smaller, thereby affecting the opening of the valve. In order to solve the above problem, a clamping handle is provided on the handle that controls the valve opening, and a clamping part is provided on the valve to fix the relative position of the clamping handle and the clamping part to achieve the positioning of the valve opening, and then a lock is used to fix the relative position of the clamping handle and the handle. The lock of the prior art has the problem that it is easy to cause misoperation or inconvenience in operation by the staff. Summary of the invention

[0003] In view of this, the utility model aims to provide a valve handle with a lock to solve the problem that the lock in the prior art easily causes misoperation or inconvenience in operation by staff.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A valve handle with a lock includes a locking pin. The outer periphery of the locking pin is located in a first through hole and a second through hole for fixing the relative position of the handle body and the clamping handle. A locking head is arranged at one end of the locking pin for fixing the relative position of the locking pin.

[0006] Furthermore, the locking pin is a T-shaped structure, one end of the locking pin can abut against the outside of the handle body, and the other end of the locking pin passes through the first through hole and the second through hole in sequence and then the lock head is installed.

[0007] Furthermore, the lock head includes an upper shell and a lower shell, and one end of the upper shell is rotatably connected to one end of the lower shell through a first central axis, and a second card slot is provided on the lower side of the upper shell, and a third card slot is provided on the upper side of the lower shell, and the second card slot and the third card slot are matched to fix the relative position of the locking pin and the upper shell and the lower shell.

[0008] Furthermore, an annular groove is provided on the periphery of the locking pin, and the annular groove can be snapped into the third snapping groove and the second snapping groove.

[0009] Furthermore, a locking plate is fixedly arranged on the upper shell, a push pin is arranged in the lower shell, a third through hole is arranged in the middle of the locking plate, and one end of the push pin can abut against the third through hole.

[0010] Furthermore, a baffle is fixedly installed on the periphery of the ejector pin, a second spring is fixedly arranged on one end of the baffle, and one end of the second spring is fixedly connected to the inner wall of the lower shell.

[0011] Furthermore, the top pin and / or baffle are made of metal, and the magnet can magnetically attract the top pin and / or baffle.

[0012] Furthermore, a mounting groove is provided at one end of the lower shell, a sleeve is provided in the mounting groove, and a second spring is provided in the sleeve, a cover is installed at one end of the sleeve, a fourth through hole is provided in the middle of the cover, the periphery of the ejector pin is located in the fourth through hole, and one end of the baffle can abut against the lower end of the cover, the other end of the baffle is fixedly connected to one end of the second spring, the other end of the second spring is fixedly connected to the bottom of the sleeve, and the periphery of the baffle can slide axially in the sleeve.

[0013] Furthermore, a cutout is provided at the lower end of the locking piece.

[0014] Compared with the prior art, the valve handle with a lock described in the utility model has the following beneficial effects: the locking pin is a T-shaped structure, one end of the locking pin can abut against the outside of the handle body, the other end of the locking pin passes through the first through hole and the second through hole in sequence and then a locking head is installed, the relative position of one end of the locking pin and the handle body or the clamping handle is locked by the T-shaped structure, and the relative position of the other end of the locking pin and the handle body or the clamping handle is locked by the locking head, the locking head and the T-shaped end are in the same axial direction, which is convenient for personnel to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0016] Figure 1 This is a structural schematic diagram of a lockable handle for a valve according to an embodiment of the utility model;

[0017] Figure 2 This is a side structural schematic diagram of a lockable handle for a valve according to an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the handle according to an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the clamping handle according to an embodiment of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of a valve handle with a lock according to an embodiment of the utility model from above;

[0021] Figure 6 It is a cross-sectional schematic diagram of a lockable handle for a valve according to an embodiment of the utility model;

[0022] Figure 7 A schematic diagram of a lock structure of a third embodiment of the present utility model;

[0023] Figure 8 A schematic cross-sectional view of a lock buckle according to a third embodiment of the present utility model;

[0024] Fig. 9 This is a schematic structural diagram of the upper shell and the lower shell in the open state according to an embodiment of the utility model.

[0025] Description of reference numerals:

[0026] 1. Handle body; 11. First card slot; 12. Second through hole; 13. Indicator; 2. Card handle; 21. First through hole; 22. Card connection; 3. First spring; 4. Chuck; 41. Sawtooth; 42. Opening mark; 5. Pin shaft; 6. Lock buckle; 61. Locking pin; 62. Upper shell; 63. Lower shell; 64. First central axis; 65. Ring groove; 66. Locking plate; 67. Ejector pin; 68. Baffle; 69. Second spring; 610. Sleeve; 611. Cover; 612. Incision. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0028] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0030] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0031] like Figure 1-Figure 9 As shown, a lockable handle for a valve comprises a handle body 1, which is clamped to the rotating shaft of the valve, and a clamping portion 22 is installed on the valve, the clamping portion 22 is used to fix the relative position of one end of the clamping handle 2, and the middle part of the clamping handle 2 is hinged to the middle part of the handle body 1, a first through hole 21 is provided on the clamping handle 2, and a second through hole 12 is provided on the handle body 1, the periphery of the lock buckle is respectively located in the first through hole 21 and the second through hole 12 for fixing the relative position of the handle body 1 and the clamping handle 2, the clamping handle 2 and the handle body 1 are fixed in relative position by the lock buckle, the end of the clamping handle 2 is detachably connected to the clamping portion 22, and the clamping portion 22 is fixedly connected to the valve, the opening of the valve can be adjusted by the handle body 1, and then the opening is locked by the clamping handle 2 to prevent the opening of the valve from changing when used for a long time, thereby improving the stability and reliability of the valve opening for cutting off water flow, and the structure is simple and the manufacturing cost is low.

[0032] A locking handle 1 for a valve also includes a first spring 3, and the two ends of the first spring 3 are respectively fixedly connected to one side of the handle body 1 and one side of the clamping handle 2. The first spring 3 always has an elastic force that makes one end of the clamping handle 2 move away from one end of the handle body 1, so that the clamping handle 2 can be reset, which facilitates the relative position locking of the clamping handle 2 and the clamping portion 22.

[0033] A first card slot 11 is provided at one end of the handle body 1, and the first card slot 11 is a polygonal structure. The outer periphery of the valve's rotating axis is snapped into the first card slot 11. As shown in the figure, the first card slot 11 is a rectangular structure, and can also be set to a variety of shapes such as a triangle during implementation, which can be adjusted according to the valve's rotating axis.

[0034] like Figure 1 and Figure 5As shown, the clamping portion 22 includes a chuck 4, which is fixedly mounted on the valve, and serrations 41 are evenly distributed on the periphery of the chuck 4. One end of the clamping handle 2 can be clamped into the serrations 41. The handle body 1 is rotated according to the opening, and then the relative positions of the clamping handle 2, the handle body 1 and the valve are locked by the serrations 41, so that the valve opening is locked. In order to facilitate the reading and recording of the opening, opening marks 42 are evenly distributed along the circumferential direction on the upper end of the chuck 4, and an indicating portion 13 is provided at one end of the handle body 1. The indicating portion 13 is used to indicate the opening mark 42. A first through hole 21 is provided on the upper side of one end of the clamping handle 2, and a clamping portion 22 is provided on the lower side of one end of the clamping handle 2. The clamping portion 22 can be clamped into the serrations 41. The indicating portion 13 of this embodiment is an indicating needle, which can also be achieved by setting a protrusion or a groove or the like during implementation. The specific selection is based on the working conditions and will not be repeated here.

[0035] When implemented, the lock can be implemented in a variety of ways:

[0036] In the first embodiment of the lock, the lock is an axle pin. The staff only needs to pass the axle pin through the first through hole 21 and the second through hole 12 to lock the relative position of the handle 2 and the handle body 1. The handle 2 and the chuck 4 can be locked and opened by plugging or unplugging. It can also be replaced by other cylindrical structural parts during implementation, which will not be repeated here.

[0037] In the second embodiment of the lock buckle, the lock buckle is a padlock of the prior art, through which the handle 2 and the chuck 4 can be locked and unlocked, and the padlock key is required to perform the operation to prevent staff from operating the padlock incorrectly.

[0038] In the first embodiment of the above two embodiments, it is easy to cause misoperation by the staff. In the second embodiment, the padlock of the prior art is a U-shaped structure, which is inconvenient to operate. In view of the above problems, in the third embodiment of the lock buckle, the lock buckle includes a locking pin 61. The outer periphery of the locking pin 61 is located in the first through hole 21 and the second through hole 12 for fixing the relative position of the handle body 1 and the card handle 2. A locking head is set at one end of the locking pin 61, and the locking head is used to fix the relative position of the locking pin 61. The locking pin 61 can pass through the first through hole and the second through hole 12 to achieve the fixation of the relative position of the card handle 2 and the handle body 1. Then, the relative position of the locking pin 61 is locked by the locking head, so that the staff can operate the card handle 2 conditionally, and as shown in FIG. Figure 8 As shown, the locking pin 61 is a T-shaped structure, one end of the locking pin 61 can abut against the outer side of the handle body 1, and the other end of the locking pin 61 passes through the first through hole 21 and the second through hole 12 in sequence and then the locking head is installed. The relative position of one end of the locking pin 61 and the handle body 1 or the clamping handle 2 is locked by the T-shaped structure, and the relative position of the other end of the locking pin 61 and the handle body 1 or the clamping handle 2 is locked by the locking head. The locking head and the T-shaped end are in the same axial direction, which is convenient for personnel to operate.

[0039] The lock head includes an upper shell 62 and a lower shell 63, and one end of the upper shell 62 is rotatably connected to one end of the lower shell 63 through a first central axis 64, and a second slot is provided on the lower side of the upper shell 62, and a third slot is provided on the upper side of the lower shell 63. The second slot and the third slot are used to fix the relative position of the locking pin 61 and the upper shell 62 and the lower shell 63. The upper shell 62 and the lower shell 63 of the opening and closing structure are convenient for locking and opening the periphery of the locking pin 61, and in order to prevent the locking pin 61 from axially sliding in the locked state, an annular groove 65 is provided on the periphery of the locking pin 61, and the annular groove 65 can be snapped into the third slot and the second slot.

[0040] The upper shell 62 is fixedly provided with a locking piece 66, and a push pin 67 is provided in the lower shell 63. A third through hole is provided in the middle of the locking piece 66, and one end of the push pin 67 can abut against the third through hole. The locking piece 66 and the push pin 67 are an opening and closing structure for the relative positions of the upper shell 62 and the lower shell 63. The connection between the push pin 67, the lower shell 63 and the locking piece 66 and the upper shell 62 is realized through the third through hole around the end of the push pin 67, and the end of the push pin 67 can slide in the axial direction. In order to limit the relative position of the push pin 67, a baffle 68 is fixedly installed on the periphery of the push pin 67, and a second spring 69 is fixedly provided at one end of the baffle 68, and one end of the second spring 69 is fixedly connected to the inner wall of the lower shell 63. The second spring 69 is used for elastic reset of the relative position of the push pin 67. In implementation, the push pin 67 realizes axial sliding by magnetic attraction of a magnetic key, so at least one of the push pin 67 and the baffle 68 is made of a metal material such as iron that can be magnetically attracted.

[0041] One end of the lower shell 63 is provided with a mounting groove, in which a sleeve 610 is arranged, and a second spring 69 is arranged in the sleeve 610, a cover 611 is installed at one end of the sleeve 610, and a fourth through hole is arranged in the middle of the cover 611, the periphery of the ejector pin 67 is located in the fourth through hole, and one end of the baffle 68 can abut against the lower end of the cover 611, and the other end of the baffle 68 is fixedly connected to one end of the second spring 69, and the other end of the second spring 69 is fixedly connected to the bottom of the sleeve 610, and the periphery of the baffle 68 can slide axially in the sleeve 610. The second spring 69, the baffle 68 and the ejector pin 67 are integrated in the sleeve 610 to facilitate the disassembly and assembly of the ejector assembly to realize the maintenance of this part of parts, and to facilitate the end of the ejector pin to slide into the third through hole, such as Fig. 9 As shown, a cutout 612 is provided at the lower end of the locking piece 66 .

[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A valve handle with a lock, comprising a handle body (1) and a clamping handle (2), wherein the middle part of the handle body (1) is rotatably connected to the middle part of the clamping handle (2) through a pin (5), one end of the clamping handle (2) is provided with a first through hole (21), and the handle body (1) is provided with a second through hole (12), characterized in that: The lock buckle comprises a locking pin (61), the outer periphery of the locking pin (61) is located in the first through hole (21) and the second through hole (12) for fixing the relative position of the handle body (1) and the clamping handle (2), a locking head is arranged at one end of the locking pin (61), the locking head is used to fix the relative position of the locking pin (61), and the locking pin (61) is a T-shaped structure, one end of the locking pin (61) can abut against the outer side of the handle body (1), and the other end of the locking pin (61) passes through the first through hole (21) and the second through hole (12) in sequence, and then the locking head is installed.

2. A valve handle with a lock according to claim 1, characterized in that: The lock head comprises an upper shell (62) and a lower shell (63), and one end of the upper shell (62) is rotatably connected to one end of the lower shell (63) through a first central axis (64), and a second card slot is provided on the lower side of the upper shell (62), and a third card slot is provided on the upper side of the lower shell (63), and the second card slot and the third card slot are matched to fix the relative positions of the locking pin (61) and the upper shell (62) and the lower shell (63).

3. A valve handle with a lock according to claim 1, characterized in that: An annular groove (65) is provided on the periphery of the locking pin (61), and the annular groove (65) can be snap-fitted into the third snap-fitting groove or the second snap-fitting groove.

4. A valve handle with a lock according to claim 1, characterized in that: A locking plate (66) is fixedly arranged on the upper shell (62), a push pin (67) is arranged in the lower shell (63), a third through hole is arranged in the middle of the locking plate (66), and one end of the push pin (67) can abut against the third through hole.

5. A valve handle with a lock according to claim 4, characterized in that: A baffle (68) is fixedly installed on the periphery of the ejector pin (67), a second spring (69) is fixedly arranged on one end of the baffle (68), and one end of the second spring (69) is fixedly connected to the inner wall of the lower shell (63).

6. A valve handle with a lock according to claim 4, characterized in that: The top pin (67) and / or the baffle (68) are made of metal, and the magnet can magnetically attract the top pin (67) and / or the baffle (68).

7. The valve handle with a lock according to claim 5, characterized in that: A mounting groove is provided at one end of the lower shell (63), a sleeve (610) is provided in the mounting groove, and a second spring (69) is provided in the sleeve (610), a cover (611) is installed at one end of the sleeve (610), a fourth through hole is provided in the middle of the cover (611), the periphery of the ejector pin (67) is located in the fourth through hole, and one end of the baffle (68) can abut against the lower end of the cover (611), the other end of the baffle (68) is fixedly connected to one end of the second spring (69), the other end of the second spring (69) is fixedly connected to the bottom of the sleeve (610), and the periphery of the baffle (68) can slide axially in the sleeve (610).

8. The valve handle with a lock according to claim 4, characterized in that: A cutout (612) is provided at the lower end of the locking piece (66).

Images