CN210575616U - Explosion-proof switch locking device - Google Patents
Explosion-proof switch locking device Download PDFInfo
- Publication number
- CN210575616U CN210575616U CN201921575504.0U CN201921575504U CN210575616U CN 210575616 U CN210575616 U CN 210575616U CN 201921575504 U CN201921575504 U CN 201921575504U CN 210575616 U CN210575616 U CN 210575616U
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- locking screw
- explosion
- locking
- pipe
- proof switch
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Abstract
The utility model relates to an explosion-proof switch blocking device, its characterized in that: be equipped with pipe assembly (2) on explosion-proof switch casing (1), pipe assembly (2) comprises a piece (21), pipe (22) and cover (23) welding: the two ends of the pipe (22) are respectively provided with a supporting block (21), the upper side of the middle section of the pipe (22) is provided with a sleeve (23), and the lower side of the front half section is provided with a square clamping groove (24); the inner hexagon bolt (4) is arranged in the sleeve (23), the locking screw (3) penetrates into the pipe assembly (2), a threaded hole (7) is formed in the left portion of the upper portion of the locking screw (3), a limiting groove (10) is formed in the middle of the upper portion of the locking screw, a small hole (8) is formed in the right portion of the upper portion of the locking screw, and the outer end of the locking screw (3) is connected with the conversion handle (6). Simple structure, convenient installation and flexible and simple operation. The locking screw of the explosion-proof switch can realize the opening and the disconnection of the locking device of the explosion-proof switch only under the condition of using a special tool, and the locking is safe and reliable.
Description
Technical Field
The utility model belongs to colliery explosion-proof switch in the pit, in particular to locking device of explosion-proof switch.
Background
The locking device of the coal mine underground explosion-proof switch plays a vital role in power cut and transmission of underground electric equipment. At present, a screw rod locking device is generally adopted in an underground coal mine explosion-proof switch, a locking bent plate is welded on a shell of the locking device, and a threaded hole and a small hole are respectively drilled in sections of two ends of the locking bent plate. The locking screw rod penetrates into the locking bent plate, a screw thread is chosen on the cross section of the locking screw rod, and the end head of one end of the locking screw rod is provided with a groove. The opening and closing of the locking device is usually accomplished by a flat screwdriver which is inserted into a locking screw groove to rotate. In the operation process, the adoption of the screw rod locking device is time-consuming and inconvenient, the locking bent plate is easy to have the problem of non-concentricity, and the repeated debugging and the repair are needed.
Disclosure of Invention
The utility model aims at avoiding the not enough of prior art, provide an explosion-proof switch blocking device.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an explosion-proof switch blocking device which is characterized in that: the explosion-proof switch shell is provided with a pipe assembly, and the pipe assembly is formed by welding a support block, a pipe and a sleeve: the two ends of the pipe are respectively provided with a supporting block, the upper edge of the middle section of the pipe is provided with a sleeve, and the lower edge of the front half section of the pipe is provided with a square clamping groove; the inner hexagon bolt is arranged in the sleeve, the locking screw penetrates into the pipe assembly, a threaded hole is formed in the left part of the locking screw, a limit groove is formed in the middle part of the locking screw, a small hole is formed in the right part of the locking screw, and the outer end of the locking screw is connected with the conversion handle; the handle penetrates into the square clamping groove.
The inner end of the conversion handle is provided with a locking groove, and the outer end of the locking screw rod is connected with the conversion handle through the locking groove.
The handle penetrates into the square clamping groove and is screwed and fixed with the locking screw through the threaded hole; the handle pulls the locking screw to move in the pipe assembly; when the inner hexagon bolt enters the small hole for fixing, the door cover locking function is realized, and the closing operation is carried out.
The utility model has the advantages that: simple structure, convenient installation and flexible and simple operation. The locking screw of the explosion-proof switch can realize the opening and the disconnection of the locking device of the explosion-proof switch only under the condition of using a special tool, and the locking is safe and reliable.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the tube assembly of the present invention
FIG. 3 is a view of the tube assembly structure of the present invention;
FIG. 4 is a schematic view of a locking screw of the present invention;
in the figure: the pipe joint comprises a shell 1, a pipe 2, a locking screw 3, a hexagon socket head cap screw 4, a handle 5, a conversion handle 6, a threaded hole 7, a small hole 8, a locking groove 9, a limiting groove 10, a supporting block 21, a pipe 22, a sleeve 23 and a square clamping groove 24.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Embodiment 1, see fig. 1-4, an explosion-proof switch blocking device, characterized in that: be equipped with pipe assembly 2 on explosion-proof switch casing 1, pipe assembly 2 comprises a piece 21, pipe 22 and cover 23 welding: the two ends of the pipe 22 are respectively provided with a support block 21, the upper side of the middle section of the pipe 22 is provided with a sleeve 23, and the lower side of the front half section is provided with a square clamping groove 24; the inner hexagon bolt 4 is arranged in the sleeve 23, the locking screw rod 3 penetrates into the pipe assembly 2, the threaded hole 7 is formed in the left portion of the locking screw rod 3, the limiting groove 10 is formed in the middle of the locking screw rod, the small hole 8 is formed in the right portion of the locking screw rod, and the outer end of the locking screw rod 3 is connected with the conversion handle 6.
The inner end of the conversion handle 6 is provided with a locking groove 9, and the outer end of the locking screw rod 3 is connected with the conversion handle 6 through the locking groove 9.
The handle 5 penetrates into the square clamping groove 24 and is screwed and fixed with the locking screw rod 3 through the threaded hole 7.
The handle 5 pulls the locking screw rod 3 to move in the pipe assembly 2, and when the hexagon socket head cap bolt 4 enters the small hole 8 to be fixed, the door cover locking function is realized, and closing operation is performed.
When the handle 5 pulls the end of the locking screw rod 3 to enter the locking groove 9 of the conversion handle 6, the inner hexagonal bolt 4 is clamped into the limiting groove 10 of the locking screw rod 3, the conversion handle 6 is locked, and the door cover can be opened for maintenance operation.
What has been described above is merely a preferred example of the present invention. It should be noted that, for those skilled in the art, under the technical teaching provided by the present invention, equivalent changes and modifications can be made as well as the common general knowledge in the field, and the protection of the present invention should be considered.
Claims (3)
1. An explosion-proof switch blocking device which is characterized in that: be equipped with pipe assembly (2) on explosion-proof switch casing (1), pipe assembly (2) comprises a piece (21), pipe (22) and cover (23) welding: the two ends of the pipe (22) are respectively provided with a supporting block (21), the upper side of the middle section of the pipe (22) is provided with a sleeve (23), and the lower side of the front half section is provided with a square clamping groove (24); the inner hexagon bolt (4) is arranged in the sleeve (23), the locking screw (3) penetrates into the pipe assembly (2), a threaded hole (7) is formed in the left portion of the upper portion of the locking screw (3), a limiting groove (10) is formed in the middle of the upper portion of the locking screw, a small hole (8) is formed in the right portion of the upper portion of the locking screw, the outer end of the locking screw (3) is connected with a conversion handle (6), and the handle (5) penetrates into the square clamping groove (24).
2. An explosion proof switch blocking device as defined in claim 1, wherein: the inner end of the conversion handle (6) is provided with a locking groove (9), and the outer end of the locking screw rod (3) is connected with the conversion handle (6) through the locking groove (9).
3. An explosion proof switch blocking device as defined in claim 1, wherein: the handle (5) is screwed and fixed with the locking screw rod (3) through the threaded hole (7); the handle (5) pulls the locking screw (3) to move in the pipe assembly (2); when the inner hexagon bolt (4) enters the small hole (8) for fixing, the door cover locking function is realized, and the closing operation is carried out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921575504.0U CN210575616U (en) | 2019-09-22 | 2019-09-22 | Explosion-proof switch locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921575504.0U CN210575616U (en) | 2019-09-22 | 2019-09-22 | Explosion-proof switch locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210575616U true CN210575616U (en) | 2020-05-19 |
Family
ID=70633279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921575504.0U Active CN210575616U (en) | 2019-09-22 | 2019-09-22 | Explosion-proof switch locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210575616U (en) |
-
2019
- 2019-09-22 CN CN201921575504.0U patent/CN210575616U/en active Active
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