Spiral polymerization crystal silicon pin type insulator

Abstract

The utility model discloses a spiral polymerization crystal silicon needle type insulator, which comprises an insulator body, a plurality of umbrella skirt sleeves are arranged on the insulator body at intervals along the axial direction of the insulator body, one end of the insulator body is provided with a fixing hole along the axial direction for fixing the insulator body in a use state, and the other end of the insulator body is provided with a fixing piece. A through hole penetrating through the two sides of the insulator body is formed in the fixing piece in the radial direction of the insulator body, a through groove communicated with the through hole is formed in one side of the fixing piece and bent upwards to be in an arc shape, the portion, communicated with the through hole, of the through groove is located on the upper portion of the through hole, the upper side wall of the through groove is tangent to the hole wall of the through hole, and the through hole and the through groove form a spiral structure. According to the utility model, the through groove is arranged at one side of the fixing member and is communicated with the upper part of the through hole, the cable is arranged in the through hole, and the communication part of the lower surface of the through groove and the inner wall of the through hole is used for limiting the cable, so that the cable does not fall off from the connector in a use state, and the safety of power transmission is improved.

Description

Technical Field

[0001] The utility model discloses a spiral polymerized crystalline silicon pin insulator, belonging to the technical field of power transmission. Background Art

[0002] Insulator is one of the indispensable tools in the field of power transmission. The Chinese utility model patent with the authorization announcement number CN217214308U discloses an integrated anti-slip polysilicon pin insulator, including an insulator body, a plurality of umbrella skirt sleeves are arranged on the insulator body along the axial direction thereof, a fixing hole is opened along the axial direction at one end of the insulator body for the insulator body, a fixing is arranged at the other end of the insulator body, and the end of the fixing away from the insulator body is hemispherical, the fixing is opened along the radial direction of the insulator body and penetrates through the two sides thereof, for allowing the wire to pass through when in use, a through slot communicating with the through hole is opened on the end of the fixing away from the insulator body, the width of the through slot is less than the diameter of the wire passing through the through hole, and an angle is formed between the length direction of the through slot and the axial direction of the through hole.

[0003] The polymetallic silicon pin insulator disclosed in the above patent has a through groove located at the top of the fixing part. When the cable and the insulator are swung relative to each other to the point where the cable and the through groove are in line, the cable can easily separate from the insulator, causing the cable to fall off the insulator, resulting in reduced safety in power transmission. Summary of the invention

[0004] The utility model aims to provide a spiral polymer crystalline silicon pin insulator to solve the technical defect that the polymer crystalline silicon pin insulator in the prior art is easily separated from the cable when in use.

[0005] In order to solve the above problems, the technical solution adopted by the utility model is: a spiral polymerized crystalline silicon pin insulator, including an insulator body, a plurality of umbrella skirt sleeves are arranged on the insulator body along the axial direction thereof, a fixing hole is opened along the axial direction at one end of the insulator body for fixing the insulator body in the use state, a fixing piece is arranged at the other end of the insulator body, a through hole is opened on the fixing piece along the radial direction of the insulator body and penetrates through both sides thereof, and is used for passing the cable in the use state, a through slot is opened on one side of the fixing piece, the through slot is bent upward in an arc shape, the part where the through slot communicates with the through hole is located at the upper part of the through hole, the upper side wall of the through slot is tangent to the hole wall of the through hole, and the through hole and the through slot form a spiral structure. The through slot in the utility model is located on one side of the fixing piece, communicates with the through hole from one side, and the through slot is inclined downward away from the end of the through hole, and in the use state, the part of the utility model located at the top of the cable prevents the cable from being separated from the utility model from the top, and no matter how the cable swings, it will not fall out of the through slot, thereby improving the safety of power transmission.

[0006] As a further improvement of the present invention, the connection between the lower side wall of the through slot and the hole wall of the through hole is provided with a rounded corner A. The rounded corner A is provided in the present invention, which can effectively prevent the connection from causing damage to the cable when in use.

[0007] As a further improvement of the utility model, the fixing hole includes a first fixing unit and a second fixing unit, the bottom end of the first fixing unit is connected to the top end of the second fixing unit, the diameter of the top end of the second fixing unit is equal to the diameter of the first fixing unit, the diameter of the bottom end of the second fixing unit is larger than the diameter of the top end of the second fixing unit, and an internal thread is provided in the first fixing unit. The first fixing unit in the utility model can be threadedly matched with the connecting piece on the cross arm of the pole in the use state to fix the utility model, and the second fixing unit can effectively increase the depth of the fixing hole and enhance the fixing strength of the utility model.

[0008] As a further improvement of the utility model, the width of the through slot is smaller than the diameter of the cable passing through the through hole in the use state. In the use state of the utility model, the cable will not fall out of the through slot, which further improves the safety of the use of the utility model.

[0009] As a further improvement of the utility model, the upper surface of the umbrella skirt is an inclined surface, the lower surface is a horizontal surface, and a rounded corner B is arranged at the intersection of the inclined surface and the horizontal surface. The upper surface of the umbrella skirt of the utility model is arranged as an inclined surface, which is more conducive to the downward flow of rainwater.

[0010] To sum up, the beneficial effects of the utility model are as follows: the through groove in the utility model is arranged on one side of the fixing part and is communicated with the upper part of the through hole, the cable is located in the through hole, and the connection between the lower surface of the through groove and the inner wall of the through hole limits the cable. When in use, the cable will not fall off the utility model, thereby improving the safety of power transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the front view of the utility model.

[0012] Figure 2 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 3 It is a three-dimensional cross-sectional view of the utility model.

[0014] Among them: 1. insulator body; 2. umbrella skirt sleeve; 3. fixing hole; 4. fixing piece; 5. through hole; 6. through groove; 7. chamfered corner A; 8. first fixing unit; 9. second fixing unit; 10. inclined plane; 11. horizontal plane; 12. chamfered corner B. DETAILED DESCRIPTION

[0015] The specific implementation of the utility model is further described below in conjunction with the accompanying drawings.

[0016] like Figures 1 to 3 The spiral polymer crystalline silicon pin insulator shown in the figure comprises an insulator body 1 made of polymer crystalline silicon, a plurality of shed skirt sleeves 2 are arranged on the insulator body 1 along the axial direction thereof, and the distance between two adjacent shed skirt sleeves 2 is equal in the utility model, a fixing hole 3 is opened along the axial direction at one end of the insulator body 1 for fixing the insulator body 1 in the use state, wherein the fixing hole 3 is a blind hole, and the utility model is fixed to the cross arm of the electric pole by a connector installed in the fixing hole 3 in the use state, and a fixing hole 3 is arranged at the other end of the insulator body 1 in the utility model The fixing member 4 is used to fix the cable when in use. The utility model has a through hole 5 penetrating through both sides of the fixing member 4 along the radial direction of the insulator body 1, which is used for the cable to pass through when in use. The aperture of the through hole 5 in the utility model is slightly larger than the diameter of the cable. The utility model has a through slot 6 communicating with the through hole 5 on one side of the fixing member 4. The through slot 6 is curved upward in an arc shape. The part where the through slot 6 communicates with the through hole 5 is located at the upper part of the through hole 5, wherein the upper side wall of the through slot 6 is tangent to the hole wall of the through hole 5, and the through hole 5 and the through slot 6 form a spiral structure. The lower side wall of the through slot 6 in the utility model is provided with a chamfered corner A7 at the junction with the hole wall of the through hole 5, so as to protect the cable when in use and avoid damage to the cable.

[0017] like Figures 1 to 3 As shown, the fixing hole 3 in the utility model includes a first fixing unit 8 and a second fixing unit 9, the first fixing unit 8 is located on the side close to the fixing piece 4, that is, the first fixing unit 8 is located above the second fixing unit 9, and the center lines of the first fixing unit 8 and the second fixing unit 9 coincide, the bottom end of the first fixing unit 8 is connected to the top end of the second fixing unit 9, the diameter of the top end of the second fixing unit 9 is equal to the diameter of the first fixing unit 8, and the diameter of the bottom end of the second fixing unit 9 is larger than the diameter of the top end of the second fixing unit 9, so the second fixing unit 9 in the utility model is in a conical shape with a small upper end and a large lower end, and the first fixing unit 8 in the utility model is provided with an internal thread to cooperate with the connecting piece thread on the pole cross arm, so as to fix the utility model.

[0018] The width of the through slot 6 in the present invention is smaller than the diameter of the cable passing through the through hole 5 in the use state. The present invention optimally sets the width of the through slot 6 to be smaller than the diameter of the cable to further reduce the risk of the cable moving out of the through slot 6 in the use state. The upper surface of the umbrella skirt 2 in the present invention is an inclined surface 10, and the lower surface is a horizontal surface 11. A chamfered corner B12 is provided at the intersection of the inclined surface 10 and the horizontal surface 11.

[0019] The parts not specifically described in the above description are all prior art, or can be implemented by prior art. Moreover, the specific implementation cases described in this utility model are only preferred implementation cases of this utility model, and are not used to limit the implementation scope of this utility model. That is, all equivalent changes and modifications made according to the content of the patent application scope of this utility model should be regarded as the technical scope of this utility model.

Claims

1. A spiral polymer silicon pin insulator, comprising an insulator body (1), a plurality of shed sleeves (2) being arranged at intervals along the axial direction of the insulator body (1), a fixing hole (3) being provided at one end of the insulator body (1) along the axial direction for fixing the insulator body (1) in a use state, a fixing piece (4) being provided at the other end of the insulator body (1), and through holes (5) penetrating through both sides of the fixing piece (4) being provided along the radial direction of the insulator body (1) for allowing cables to pass through in a use state, characterized in that: A through groove (6) communicating with the through hole (5) is provided on one side of the fixing member (4); the through groove (6) is bent upward in an arc shape; a portion where the through groove (6) communicates with the through hole (5) is located at the upper part of the through hole (5); an upper side wall of the through groove (6) is tangent to a hole wall of the through hole (5); and the through hole (5) and the through groove (6) form a spiral structure.

2. The spiral polymer crystalline silicon pin insulator according to claim 1, characterized in that: A chamfered corner A (7) is provided at the junction of the lower side wall of the through groove (6) and the hole wall of the through hole (5).

3. The spiral polymer crystalline silicon pin insulator according to claim 1, characterized in that: The fixing hole (3) comprises a first fixing unit (8) and a second fixing unit (9); the bottom end of the first fixing unit (8) is connected to the top end of the second fixing unit (9); the diameter of the top end of the second fixing unit (9) is equal to the diameter of the first fixing unit (8); the diameter of the bottom end of the second fixing unit (9) is greater than the diameter of the top end of the second fixing unit (9); and an internal thread is provided in the first fixing unit (8).

4. The spiral polymer crystalline silicon pin insulator according to claim 1, characterized in that: The width of the through groove (6) is smaller than the diameter of the cable passing through the through hole (5) in the use state.

5. The spiral polymer silicon pin insulator according to claim 1, characterized in that: The upper surface of the umbrella skirt cover (2) is an inclined surface (10), and the lower surface is a horizontal surface (11). A rounded corner B (12) is provided at the intersection of the inclined surface (10) and the horizontal surface (11).

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