CN209774501U - reinforced multifunctional opening and closing auxiliary tool for bolt of disconnecting link ground knife mechanism box - Google Patents
reinforced multifunctional opening and closing auxiliary tool for bolt of disconnecting link ground knife mechanism box Download PDFInfo
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- CN209774501U CN209774501U CN201920550462.9U CN201920550462U CN209774501U CN 209774501 U CN209774501 U CN 209774501U CN 201920550462 U CN201920550462 U CN 201920550462U CN 209774501 U CN209774501 U CN 209774501U
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- bolt
- bottom plate
- transmission shaft
- disconnecting link
- mechanism box
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Abstract
the embodiment of the utility model discloses multi-functional appurtenance that opens and shuts of reinforcement type of switch earthing knife mechanism case bolt for the chamber door of solving switch earthing knife mechanism case adopts two pieces of bolt locking, because the bolt is the heptagonal bolt, not good atress leads to the staff to twist the technological problem that the degree of difficulty was enlarged when this type of bolt. The embodiment of the utility model comprises a heptagonal sleeve and a transmission shaft; the seven-angle sleeve comprises a regular heptagon bottom plate and a side wall arranged on the bottom plate in an enclosing mode, three rectangular convex parts are arranged on the surface of the bottom plate, and the three rectangular convex parts are distributed on the surface of the bottom plate in a triangular mode; the top end of the transmission shaft is fixedly connected to the bottom surface of the bottom plate. In this embodiment, when utilizing the heptagonal sleeve cover to tighten the bolt, with the bar through-hole of rectangle bellying chucking on the bolt, use appurtenance to rotate the transmission shaft to drive heptagonal sleeve and rotate together, make the bolt unscrewed or screw up.
Description
Technical Field
The utility model relates to a hardware and tools technical field especially relates to a multi-functional appurtenance that opens and shuts of reinforcement type of switch earthing knife mechanism case bolt.
Background
The box door of the disconnecting link grounding knife mechanism box is locked by two bolts, and has good sealing performance. The knife switch is open outdoors, and the complex climate environment has stricter requirements on the waterproof and moistureproof capability of the mechanism box, so that the closing tightness of the mechanism box door needs to be ensured sufficiently. However, the closing tightness of the mechanism box door is greatly related to the screwing degree of the bolts, and the bolts of the mechanism box door are heptagonal bolts and are not easy to bear force; when the tool is used for rotating the bolt, the tool is easy to wear, so that the buckle is not tight enough, easy to slip and difficult to rotate. In addition, if the bolt is not screwed tightly enough, the waterproof and moistureproof capabilities of the bolt cannot meet the requirements; if the bolt is screwed too tightly, the door is difficult to open, and even the sealing rubber gasket is crushed.
therefore, it is significant to design a multi-functional reinforcement type appurtenance that opens and shuts suitable for switch earthing knife mechanism case bolt.
SUMMERY OF THE UTILITY MODEL
the embodiment of the utility model discloses multi-functional appurtenance that opens and shuts of reinforcement type of switch earthing knife mechanism case bolt for the chamber door of solving switch earthing knife mechanism case adopts two pieces of bolt locking, because the bolt is the heptagonal bolt, not good atress leads to the staff to twist the technological problem that the degree of difficulty was enlarged when this type of bolt.
The embodiment of the utility model provides a reinforced multifunctional opening and closing auxiliary tool for a bolt of a disconnecting link grounding switch mechanism box, which comprises a heptagonal sleeve and a transmission shaft;
The seven-angle sleeve comprises a regular heptagon bottom plate and a side wall arranged on the bottom plate in an enclosing manner, three rectangular convex parts are arranged on the surface of the bottom plate, and the three rectangular convex parts are distributed on the surface of the bottom plate in a triangular manner;
The top end of the transmission shaft is fixedly connected to the bottom surface of the bottom plate.
Optionally, the rectangular protruding part is provided with insections.
Optionally, the drive shaft is of a hexagonal prism structure.
Optionally, the length of the drive shaft is 80 mm.
Optionally, the thickness of the base plate is 5 mm.
Optionally, the thickness of the side wall is 3 mm.
Optionally, the height of the protrusion is 20 mm.
Optionally, the top end of the transmission shaft is fixedly connected to the central position of the bottom surface of the bottom plate.
According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:
In this embodiment, when utilizing the heptagonal sleeve cover to tighten the bolt, with the bar through-hole of rectangle bellying chucking on the bolt, use appurtenance to rotate the transmission shaft to drive heptagonal sleeve and rotate together, make the bolt unscrewed or screw up.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a top view of a reinforced multifunctional opening and closing auxiliary tool for a bolt of a disconnecting link grounding switch mechanism box provided in an embodiment of the present invention;
Fig. 2 is a structural front view of a reinforced multifunctional opening and closing auxiliary tool for a bolt of a disconnecting link grounding switch mechanism box provided in an embodiment of the present invention;
Illustration of the drawings: a transmission shaft 1; a heptagonal sleeve 2; a bottom plate 21; a side wall 22; a rectangular boss 23.
Detailed Description
The embodiment of the utility model discloses multi-functional appurtenance that opens and shuts of reinforcement type of switch earthing knife mechanism case bolt for the chamber door of solving switch earthing knife mechanism case adopts two pieces of bolt locking, because the bolt is the heptagonal bolt, not good atress leads to the staff to twist the technological problem that the degree of difficulty was enlarged when this type of bolt.
in order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 2, an embodiment of a reinforced multifunctional opening and closing auxiliary tool for a bolt of a disconnecting link grounding switch mechanism box provided in an embodiment of the present invention includes:
A heptagonal sleeve 2 and a power transmission shaft 1;
The heptagonal sleeve 2 comprises a regular heptagonal bottom plate 21 and a side wall 22 surrounding the bottom plate 21, three rectangular convex parts 23 are arranged on the surface of the bottom plate 21, and the three rectangular convex parts 23 are distributed on the surface of the bottom plate 21 in a triangular manner;
the top end of the power transmission shaft 1 is fixedly connected to the bottom surface of the bottom plate 21.
In this embodiment, when the heptagonal sleeve 2 is used for tightening the bolt, the rectangular protruding portion 23 is tightly clamped in the strip-shaped through hole on the bolt, and the auxiliary tool is used for rotating the power transmission shaft 1, so that the heptagonal sleeve 2 and the sleeve are driven to rotate together, and the bolt is unscrewed or screwed.
In addition, the bolt mentioned in the present embodiment is a regular heptagon with a circumscribed circle radius of 35mm, the thickness of the bolt cap is 20mm, and the surface of the bolt is provided with strip-shaped through holes distributed in a regular triangle. The length and width of the rectangular protruding portion 23 in this embodiment are slightly smaller than the bar-shaped through hole of the bolt, so that the rectangular protruding portion can be conveniently and better clamped with the bar-shaped through hole, the combination of the tool and the bolt is strengthened, and slipping and tripping are prevented.
Further, the rectangular boss 23 is provided with insections.
The rectangular protruding portion 23 is provided with insections, and when the rectangular protruding portion 23 is engaged with the strip-shaped through hole, the insections can enhance the friction force between the rectangular protruding portion 23 and the inner wall of the strip-shaped through hole, thereby further reinforcing the connection between the heptagonal sleeve 2 and the bolt.
Further, the power transmission shaft 1 is of a hexagonal prism structure.
Further, the length of the power transmission shaft 1 is 80 mm.
It should be noted that the power transmission shaft 1 is a regular hexagon international M8 hexagon head, a cylinder with a length of 80mm, and has strong compatibility, and can be detachably connected with an electric hand drill, and can be used with a monkey wrench, a double offset ring spanner and a movable sleeve.
further, the thickness of the bottom plate 21 is 5 mm.
Further, the thickness of the side wall 22 is 3 mm.
further, the height of the projection is 20 mm.
Further, the top end of the power transmission shaft 1 is fixedly connected to the center position of the bottom surface of the bottom plate 21.
It should be noted that the height of the protruding portion should be the same as the depth of the strip-shaped through hole.
The aforesaid is right the utility model provides a concrete structure of the multi-functional appurtenance that opens and shuts of reinforcement type of switch earthing knife mechanism case bolt carries out detailed description, will further explain this instrument with an application example below, the utility model provides a pair of the multi-functional appurtenance that opens and shuts of reinforcement type of switch earthing knife mechanism case bolt's application example includes:
the use steps of the opening and closing auxiliary tool in the embodiment are as follows: 1. taking out the opening and closing auxiliary tool; 2. selecting matched tools (electric hand drills, adjustable wrenches, double offset ring wrenches, movable sleeves and the like); 3. if the electric hand drill is selected, the electric hand drill is clamped on the power transmission shaft 1 of the opening and closing auxiliary tool, a proper gear is selected to adjust output torque, the heptagonal sleeve 2 is sleeved on the bolt, the rectangular protruding portion 23 is clamped in the strip-shaped through hole in the bolt, and finally the electric hand drill is started to tighten or loosen the bolt; 4. if a movable wrench, a double offset ring spanner or a movable sleeve is selected, the opening and closing auxiliary tool is firstly used for clamping the bolt, then the movable wrench, the double offset ring spanner or the movable sleeve is used for clamping the power transmission shaft 1, and the opening and closing auxiliary tool and the bolt are driven to rotate by the movable wrench or the movable sleeve.
It is right above the utility model provides a multi-functional appurtenance that opens and shuts of reinforcement type of switch earthing knife mechanism case bolt has carried out detailed introduction, to the general technical personnel in this field, the foundation the utility model discloses the thought of embodiment all has the change part on concrete implementation mode and application scope, to sum up, this description content should not be understood as right the utility model discloses a restriction.
Claims (8)
1. A reinforced multifunctional opening and closing auxiliary tool for a bolt of a disconnecting link grounding switch mechanism box is characterized by comprising a heptagonal sleeve and a transmission shaft;
The seven-angle sleeve comprises a regular heptagon bottom plate and a side wall arranged on the bottom plate in an enclosing manner, three rectangular convex parts are arranged on the surface of the bottom plate, and the three rectangular convex parts are distributed on the surface of the bottom plate in a triangular manner;
the top end of the transmission shaft is fixedly connected to the bottom surface of the bottom plate.
2. The multifunctional opening and closing assisting tool for the bolt of the disconnecting link and the earthing switch mechanism box of claim 1, wherein the rectangular protruding part is provided with insections.
3. The multifunctional opening and closing assisting tool for the bolt of the disconnecting link and the earthing switch mechanism box of claim 1, wherein the transmission shaft is in a hexagonal prism structure.
4. The multifunctional opening and closing assisting tool for the bolt of the disconnecting link and the earthing switch mechanism box of claim 1, wherein the length of the transmission shaft is 80 mm.
5. The multifunctional opening and closing assisting tool for the bolt of the disconnecting link and the earthing switch mechanism box of claim 1, wherein the thickness of the bottom plate is 5 mm.
6. The multifunctional opening and closing assisting tool for the bolt of the disconnecting link and the earthing switch mechanism box of claim 1, wherein the thickness of the side wall is 3 mm.
7. The multifunctional opening and closing assisting tool for the bolt of the disconnecting link and the earthing switch mechanism box of claim 1, wherein the height of the protruding part is 20 mm.
8. The multifunctional opening and closing tool with the reinforced bolt for the disconnecting link and the earthing switch mechanism box of claim 1, wherein the top end of the transmission shaft is fixedly connected to the center of the bottom surface of the bottom plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920550462.9U CN209774501U (en) | 2019-04-22 | 2019-04-22 | reinforced multifunctional opening and closing auxiliary tool for bolt of disconnecting link ground knife mechanism box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920550462.9U CN209774501U (en) | 2019-04-22 | 2019-04-22 | reinforced multifunctional opening and closing auxiliary tool for bolt of disconnecting link ground knife mechanism box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209774501U true CN209774501U (en) | 2019-12-13 |
Family
ID=68803537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920550462.9U Active CN209774501U (en) | 2019-04-22 | 2019-04-22 | reinforced multifunctional opening and closing auxiliary tool for bolt of disconnecting link ground knife mechanism box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209774501U (en) |
-
2019
- 2019-04-22 CN CN201920550462.9U patent/CN209774501U/en active Active
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