CN111128481A - Novel pin insulator - Google Patents
Novel pin insulator Download PDFInfo
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- CN111128481A CN111128481A CN202010020489.4A CN202010020489A CN111128481A CN 111128481 A CN111128481 A CN 111128481A CN 202010020489 A CN202010020489 A CN 202010020489A CN 111128481 A CN111128481 A CN 111128481A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/20—Pin insulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
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Abstract
The invention relates to a novel pin insulator, and relates to the technical field of lightning protection insulators. The scheme includes that the insulation needle comprises an insulation needle body, a connecting portion and a mounting portion are respectively mounted at two ends of the insulation needle body, the mounting portion comprises a mounting seat, a mounting groove is formed in one side of the mounting seat in a concave mode, the mounting portion further comprises two threaded columns fixed to one side of the mounting seat and a clamping block located on one side of the mounting seat, one end of the clamping block is rotatably connected to one of the threaded columns, a clamping groove is formed in the other end of the clamping block, and the other threaded column is clamped in the clamping; a limiting part is arranged at the notch of the clamping groove; the clamping block is fixed on the clamping block, and the threaded column is connected with a locking piece used for pushing the clamping block to move towards the mounting groove. This scheme can improve installer's installation pin insulator's efficiency, reduces installer's high altitude installation time, improves the security.
Description
Technical Field
The invention relates to the technical field of lightning protection insulators, in particular to a novel pin insulator.
Background
The electric pin insulator is widely applied to electric power systems, and buses of overhead transmission lines, power plants and substations and external live conductors of various electric equipment are supported by the insulator and are insulated from the ground (or grounding objects) or other conductors with potential differences.
However, the conventional pin insulator used in the current overhead distribution line, such as chinese patent with publication number CN207282235U, a lightning protection line post-type composite insulator, includes a glass fiber tube, a ceramic tube is disposed in the glass fiber tube, a resistor string is disposed in the ceramic tube, and an arc striking ring is disposed outside the glass fiber tube. The lightning protection insulator is connected with the resistor disc inside the insulator through the fixing screw to form an outer gap lightning current release channel, and plays an arc striking role in arc drifting generated when the insulated wire is subjected to induced lightning overvoltage.
However, the conventional pin insulator still has disadvantages that when the pin insulator is installed at high altitude, an iron wire needs to be wound on a corresponding position of the high-voltage wire for a plurality of circles, and then the iron wire is wound on the glass fiber tube to firmly fix the high-voltage wire in the wire slot, so that the installation is complicated, the retention time of an installer at high altitude is too long, and the safety is not high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a novel pin insulator, which can improve the efficiency of installing the pin insulator by an installer, reduce the high-altitude installation time of the installer and improve the safety.
The above object of the present invention is achieved by the following technical solutions:
a novel pin insulator comprises an insulating pin body, wherein a connecting part and a mounting part are respectively mounted at two ends of the insulating pin body, a plurality of umbrella sleeves are fixed on the periphery of the insulating pin body, the mounting part comprises a mounting seat, one side, away from the insulating pin body, of the mounting seat is recessed with a mounting groove, the mounting part also comprises two threaded columns fixed on one side, away from the insulating pin body, of the mounting seat, the mounting groove is positioned between the two threaded columns, the mounting part also comprises a clamping block positioned on one side, away from the insulating pin body, of the mounting seat, one end of the clamping block is rotatably connected to one of the threaded columns, a clamping groove is formed in the other; a limiting part for limiting the threaded column from falling out of the clamping groove is arranged at the notch of the clamping groove; be fixed with on the grip block and press from both sides tight piece and be located the mounting groove and keep away from insulating needle body one side, be connected with on the screw thread post and be used for promoting to press from both sides the retaining member of tight piece towards the mounting groove motion.
By adopting the above technical scheme, the process of clamping the electric wire by an operator is generally divided into the following steps:
s1, rotating the clamping block to clamp the threaded column into the clamping groove;
s2, screwing the limiting piece to make the tail end of the limiting piece block in front of the threaded column to prevent the threaded column from being pulled out of the clamping groove;
s3, screwing the locking member with a wrench to press the clamping block downward to clamp the electric wire between the mounting groove and the clamping groove;
above-mentioned operation is compared in iron wire winding method, has higher installation effectiveness, has simplified the installation degree of difficulty, has reduced the operating time that the operator is detained in the air of height simultaneously, has improved the security.
In this scheme moreover, rotate through the one end with the grip block and connect in one of them screw post, can improve the wholeness of grip block and mount pad, reduce the probability that the grip block was left alone to and simplify the step that the grip block was installed to the screw post. In the process that the clamping block descends and compresses tightly the electric wire, the locating part can be used for limiting the threaded column to deviate from the clamping groove, and the stability of the installation process is improved.
The present invention in a preferred example may be further configured to: the rotation axis of the clamping block is parallel or coaxial with one of the threaded columns.
Through adopting above-mentioned technical scheme, inject the direction of rotation of grip block.
The present invention in a preferred example may be further configured to: the locating part is bolt and locating part includes head and tail end, and the tail end of locating part is worn into the joint inslot.
Through adopting above-mentioned technical scheme, the locating part of bolt form not only low in production cost, easily operation moreover, because need use a large amount of insulators on the route that sets up of every electric wire, then consider that the cost problem is very necessary.
The present invention in a preferred example may be further configured to: the tail end of the limiting part is abutted to or penetrates through the groove wall of the clamping groove, and the limiting part is intercepted in the groove opening of the clamping groove and forms a closed annular limiting area with the clamping groove.
Through adopting above-mentioned technical scheme, because the tail end of locating part pierces into the cell wall in joint groove for the strong wind force environment in high altitude, the locating part is more difficult for appearing fracture, deformation scheduling problem in the strong wind force environment in whole root locating part's strong point has two.
The present invention in a preferred example may be further configured to: the limiting piece sequentially comprises a large-diameter section, a transition section and a small-diameter section along the length direction of the limiting piece, the head of the limiting piece is arranged at the end part of the large-diameter section, the tail end of the limiting piece is arranged at the end part of the small-diameter section, the outer diameter of the large-diameter section is larger than that of the small-diameter section, and the outer diameter of the transition section is gradually reduced from the large-diameter section to the small-diameter section; the threaded column is abutted against the bottom of the clamping groove, and the peripheral wall of the threaded column is abutted against the transition section.
Through adopting above-mentioned technical scheme, if only stretch into the locating part partly in the joint inslot so that be used for restricting the screw post and deviate from, have following problem: if the operator screws the stopper too deeply in s2, the tail end of the stopper abuts against the outer peripheral wall of the threaded post, which results in the clamping block not being lowered smoothly; if the screwing limiting part is too shallow, the tail end of the limiting part cannot well limit the movement of the threaded column, and the situation that the threaded column is separated from the clamping groove may occur.
In the high-altitude operation environment, the operator is difficult to control the screwing feed amount of the limiting piece and slightly rotate the limiting piece, so that the problem of over-depth or over-shallow can occur.
According to the scheme, the problem can be solved, when s2, the limiting piece can be firstly screwed preliminarily, so that the small-diameter section is intercepted in front of the threaded column, and at the moment, the threaded column cannot be separated from the clamping groove, so that the step s3 is facilitated; wait to s3 and be close the end sound, can continue to revolve and twist the locating part, make the periphery wall butt of screw thread post in the changeover portion, at this moment, the screw thread post can not take place to rock at the joint inslot, has guaranteed to press from both sides tight groove and can align completely in the mounting groove, also enables the electric wire clamp in the at utmost between pressing from both sides tight groove and the mounting groove.
The present invention in a preferred example may be further configured to: the screw thread post supports tightly in the tank bottom in joint groove, and the joint inslot is equipped with the arc flexure strip, and the one end of arc flexure strip is connected in the cell wall in joint groove, and the tail end of locating part supports tightly in arc flexure strip lateral wall to promote the arc flexure strip face contact in the periphery wall of screw thread post.
Through adopting above-mentioned technical scheme, through revolving soon the locating part, can change the degree of turning up of arc elastic sheet, when the operator revolves soon the locating part enough deeply, the arc lateral wall cladding of arc elastic sheet is on the partial periphery wall of screw thread post, thereby can accomplish spacing and the locking to the screw thread post more than, and because the arc elastic sheet is surface contact with the screw thread post, can improve spacing stability greatly, compare in original point contact, under the big wind-force environment in high altitude, the problem of stress concentration can be alleviated to the spacing mode of surface contact, reduce screw thread post and the cracked risk of locating part.
The present invention in a preferred example may be further configured to: the screw thread post supports tightly in the tank bottom in joint groove, and the joint inslot is equipped with elasticity butt piece, and the one end of elasticity butt piece is connected in the notch in joint groove, and the tail end top of locating part is tightly in the lateral wall of elasticity butt piece to the other end that promotes elasticity butt piece supports tightly in the periphery wall of screw thread post.
Through adopting above-mentioned technical scheme, through revolving to twist the locating part, can change the degree of turning up of elasticity butt piece, after the joint inslot is gone into to the screw thread post card, the operator can revolve and twist the locating part, makes the tip of elasticity butt piece support tightly to the screw thread post surface, improves connection stability.
The present invention in a preferred example may be further configured to: the threaded column is tightly propped against the bottom of the clamping groove; the locating part is shaft-like and slides and wears on the grip block, and the locating part includes tail end and head, and the tail end of locating part is worn to the joint inslot and the slope sets up towards the notch in joint groove, and the periphery wall butt of locating part is equipped with the elastic component that resets in the periphery wall of screw post between grip block and the locating part.
Through adopting above-mentioned technical scheme, the operator is at the in-process with the screw thread post card income joint inslot, screw thread post extrusion locating part, make the locating part outwards slide, and make the elastic component that resets save elastic potential energy, when the tank bottom of screw thread post butt to joint groove, the locating part loses the restriction and inwards slides under the effect of the elastic component that resets and resets, the surface of locating part and screw thread post is tangent this moment, even the screw thread post wants outwards to deviate from the joint groove, because the screw thread post only can apply for locating part perpendicular to locating part axial thrust, then the locating part is unable flexible, just also can realize spacing to the screw thread post, the anticreep.
The arrangement further simplifies the operation of connecting the threaded stud to the clamping block.
The present invention in a preferred example may be further configured to: the axis of rotation of the clamping block is perpendicular to one of the threaded posts.
By adopting the technical scheme, the insulator with another possibility is illustrated.
The present invention in a preferred example may be further configured to: one side of the mounting seat, which is far away from the insulation needle body, is connected with a supporting elastic part, and the supporting elastic part is abutted against the clamping block along the axial direction of the threaded column.
Through adopting above-mentioned technical scheme, support the elastic component and be used for upwards supporting the grip block to at the installation initial stage, reserve sufficient space, easy to assemble for electric wire clip mounting groove and press from both sides between the tight groove.
In summary, the invention includes the following beneficial technical effects:
1. compared with an iron wire winding method, the scheme has higher installation efficiency, simplifies the installation difficulty, reduces the working time of an operator staying in the air, and improves the safety;
2. in the scheme, one end of the clamping block is rotatably connected to one of the threaded columns, so that the integrity of the clamping block and the mounting seat can be improved, the probability of singly losing the clamping block is reduced, and the step of mounting the clamping block on the threaded column is simplified;
3. in the scheme, in the process that the clamping block descends and compresses the electric wire, the limiting piece can be used for limiting the threaded column from falling out of the clamping groove, and the stability in the installation process is improved;
4. in the scheme, the limiting part is arranged in a three-section mode, so that an operator can better control the screwing feed amount of the limiting part in the high-altitude operation environment, and the probability that the limiting part is screwed too deeply or too shallowly is reduced.
5. In this scheme, because arc flexure strip is the face contact with the screw thread post, can improve spacing stability greatly, compare in original point contact, under the big wind-force environment in high altitude, the problem of stress concentration can be alleviated to the spacing mode of face contact, reduces screw thread post and the cracked risk of locating part.
6. This scheme is through being the slide bar form with the locating part setting, can further simplify the connection operation of screw thread post and grip block.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic structural view of the mounting portion of FIG. 1;
FIG. 3 is a schematic view of the structure of the mounting portion according to the second embodiment of the present invention;
FIG. 4 is a schematic structural view of a mounting portion according to a third embodiment of the present invention;
FIG. 5 is a schematic view of a mounting portion according to a fourth embodiment of the present invention;
FIG. 6 is a schematic view of the structure of the mounting part according to the fifth embodiment of the present invention;
FIG. 7 is a schematic view of the structure of a mounting part according to the sixth embodiment of the present invention;
fig. 8 is a schematic structural view of a mounting part according to the seventh embodiment of the present invention.
In the figure, 1, an insulation needle body; 11. a connecting portion; 12. an umbrella cover; 2. an installation part; 3. a mounting seat; 31. mounting grooves; 32. a support elastic member; 4. a threaded post; 41. a locking member; 42. a gasket; 5. a clamping block; 51. a clamping block; 52. a clamping groove; 53. a clamping groove; 54. an arc-shaped elastic sheet; 55. an elastic abutting piece; 56. a fixed part; 57. a turning part; 6. a limiting member; 61. a head portion; 62. a tail end; 63. a large diameter section; 64. a transition section; 65. a small diameter section; 7. the elastic member is reset.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1 and 2, a novel pin insulator disclosed in this embodiment includes an insulating pin body 1, a connecting portion 11 and an installation portion 2 are respectively installed at two ends of the insulating pin body 1, the connecting portion 11 is used for connecting with a utility pole, and a plurality of umbrella covers 12 are fixed on the periphery of the insulating pin body 1.
The mounting part 2 comprises a mounting seat 3, two threaded columns 4 and a clamping block 5, one side of the mounting seat 3, which is far away from the insulating needle body 1, is the upper surface of the mounting seat 3, a mounting groove 31 is recessed in the upper surface of the mounting seat 3, and the mounting groove 31 is used for accommodating an electric wire; the two threaded columns 4 are arranged in parallel and fixed on the upper surface of the mounting seat 3, and the mounting groove 31 is clamped between the two threaded columns 4; the clamping block 5 is connected with the two threaded columns 4, the middle part of the clamping block 5 is fixedly provided with a clamping block 51, the lower surface of the clamping block 51 is recessed with a clamping groove 52, the clamping groove 52 is opposite to the mounting groove 31, and the electric wire can be clamped between the mounting groove 31 and the clamping groove 52; the threaded column 4 is connected with a locking piece 41, the locking piece 41 is a nut, the locking piece 41 is connected to the threaded column 4 and is positioned above the clamping block 5, and the locking piece 41 is used for enabling the clamping block 51 to be matched with the installation groove 31 to clamp the electric wire; a spacer 42 is also arranged between the locking member 41 and the holding block 5.
According to the scheme, the clamping and positioning of the electric wire are realized through the clamping block 5, the mounting seat 3 and other components, and compared with the winding and positioning of the electric wire by a traditional pin insulator, the electric wire winding positioning device has the advantages of simplicity and convenience in mounting, high mounting efficiency and the like, so that the time of an operator staying in the air can be reduced, and the mounting danger is reduced.
One of the threaded columns 4 penetrates through one end of the clamping block 5 in a sliding manner, the clamping block 5 is rotationally connected to the threaded column 4, a clamping groove 53 is formed in the other end of the clamping block 5, the clamping groove 53 is communicated with the side wall of the clamping block 5, and the other threaded column 4 is clamped in the clamping groove 53; a limiting part 6 for limiting the threaded column 4 from falling out of the clamping groove 53 is arranged at the notch of the clamping groove 53; in the above scheme, rotate through the one end with grip block 5 and connect in one of them screw post 4, can improve grip block 5 and mount pad 3's wholeness, reduce the probability that grip block 5 was left alone to and simplify the step that grip block 5 installed to screw post 4. And in the process that grip block 5 descends and compresses tightly the electric wire, locating part 6 can be used to restrict threaded column 4 and deviate from joint groove 53, improves the stability of installation.
The locating part 6 is the bolt, and the locating part 6 includes head 61 and tail end 62, and the tail end 62 of locating part 6 pierces into joint groove 53 to the butt is in the periphery wall of screw thread post 4, and at this moment, screw thread post 4 just supports tightly at the tank bottom of joint groove 53.
A supporting elastic piece 32 is arranged between the mounting seat 3 and the clamping block 5, the supporting elastic piece 32 is a spring, and is sleeved on the periphery of the threaded column 4 which is rotatably connected to the clamping block 5; the supporting elastic member 32 serves to support the clamping block 5 upward to reserve a sufficient space for the electric wire to be clamped between the installation groove 31 and the clamping groove 52 at the initial stage of installation, facilitating the installation.
The implementation principle of the embodiment is as follows: the process of clamping the wire by the operator is generally divided into the following steps:
s1, rotating the clamping block 5 to enable the threaded column 4 to be clamped into the clamping groove 53;
s2, screwing the limiting member 6 to make the tail end 62 of the limiting member 6 block in front of the threaded post 4, so as to prevent the threaded post 4 from coming out of the clamping groove 53;
s3, screwing the locking member 41 with a wrench to press the clamping block 5 downward to clamp the electric wire between the mounting groove 31 and the clamping groove 52;
above-mentioned operation is compared in iron wire winding method, has higher installation effectiveness, has simplified the installation degree of difficulty, has reduced the operating time that the operator is detained in the air of height simultaneously, has improved the security.
Example two
Referring to fig. 3, the present embodiment discloses a novel pin insulator, and the difference between the present embodiment and the first embodiment is only that: the tail end 62 of the limiting member 6 penetrates into the groove wall of the clamping groove 53 to seal the notch of the clamping groove 53, and the limiting member and the clamping groove 53 are matched to form a closed annular limiting area.
The implementation principle of the embodiment is as follows: the same as the first embodiment; it should be noted that, because the tail end 62 of the limiting member 6 penetrates into the groove wall of the locking groove 53, there are two supporting points of the whole limiting member 6, and the limiting member 6 is less prone to fracture, deformation and other problems in a high-altitude and high-wind environment.
EXAMPLE III
Referring to fig. 4, the present embodiment discloses a novel pin insulator, and the difference between the present embodiment and the second embodiment is only that: the limiting member 6 sequentially comprises a large-diameter section 63, a transition section 64 and a small-diameter section 65 along the length direction, the head 61 is arranged at the end part of the large-diameter section 63, the tail end 62 is arranged at the end part of the small-diameter section 65, the outer diameter of the large-diameter section 63 is larger than that of the small-diameter section 65, and the outer diameter of the transition section 64 is gradually reduced from the large-diameter section 63 to the small-diameter section 65; the threaded column 4 abuts against the bottom of the clamping groove 53, and the outer peripheral wall of the threaded column 4 abuts against the transition section 64.
The implementation principle of the embodiment is as follows: the embodiment is an improved scheme of the first embodiment and the second embodiment, and aims at the defects existing in the first embodiment: if the operator screws the stopper 6 too deeply in s2, the tail end 62 of the stopper 6 abuts against the outer peripheral wall of the threaded post 4, which results in the clamping block 5 not being lowered smoothly; if the screwing limiting member 6 is too shallow, the tail end 62 of the limiting member 6 cannot limit the movement of the threaded stud 4 well, and the threaded stud 4 may be disengaged from the locking groove 53.
In the high-altitude operation environment, the operator may have difficulty in controlling the screwing feed amount of the limiting member 6 and slightly rotating the limiting member 6, thereby causing a problem of being too deep or too shallow.
In s2, the stopper 6 may be initially screwed to block the small-diameter section 65 in front of the threaded post 4, so that the threaded post 4 cannot be removed from the engaging groove 53, which is beneficial to the step s 3; when s3 approaches the end sound, the stopper 6 can be continuously screwed to abut the outer peripheral wall of the threaded post 4 against the transition section 64, and at this time, the threaded post 4 does not shake in the engaging groove 53, so that the clamping groove 52 can be completely aligned with the mounting groove 31, and the electric wire can be clamped between the clamping groove 52 and the mounting groove 31 to the maximum extent.
Example four
Referring to fig. 5, in this embodiment, a new pin insulator is disclosed, and the difference between this embodiment and the first embodiment is only: still be equipped with arc elastic sheet 54 in the joint groove 53, the cell wall in joint groove 53 is connected to the one end of arc elastic sheet 54, and the tail end 62 of locating part 6 supports tightly in arc elastic sheet 54 lateral wall to promote arc elastic sheet 54 face contact in the periphery wall of screw thread post 4.
The implementation principle of the embodiment is as follows: through revolving soon locating part 6, can change the degree of turning up of arc elastic sheet 54, when the operator revolves soon locating part 6 when enough dark, the arc lateral wall cladding of arc elastic sheet 54 is on the partial periphery wall of screw post 4, thereby can accomplish more spacing and the locking to screw post 4, and because arc elastic sheet 54 is surface contact with screw post 4, can improve spacing stability greatly, compare in original point contact, under the big wind-force environment in high altitude, the problem of stress concentration can be alleviated to the spacing mode of surface contact, reduce the cracked risk of screw post 4 and locating part 6.
EXAMPLE five
Referring to fig. 6, in this embodiment, a new pin insulator is disclosed, and the difference between this embodiment and the first embodiment is only: still be equipped with elasticity butt piece 55 in the joint groove 53, the notch in joint groove 53 is connected to the one end of elasticity butt piece 55, and the tail end 62 top of locating part 6 is tightly in the lateral wall of elasticity butt piece 55 to the other end that promotes elasticity butt piece 55 is propped tightly in the periphery wall of screw post 4.
The implementation principle of the embodiment is as follows: through twisting the locating part 6, can change the degree of turning up of elasticity butt piece 55, after the screw post 4 card goes into in the joint groove 53, the operator can twist locating part 6 soon, makes the tip of elasticity butt piece 55 support tightly to screw post 4 surface, improves connection stability.
EXAMPLE six
Referring to fig. 7, in this embodiment, a new pin insulator is disclosed, and the difference between this embodiment and the first embodiment is only: the limiting piece 6 is in a rod shape and penetrates through the clamping block 5 in a sliding mode, the limiting piece 6 comprises a tail end 62 and a head portion 61, the tail end 62 of the limiting piece 6 penetrates into the clamping groove 53 and is arranged towards the notch of the clamping groove 53 in an inclined mode, and the outer peripheral wall of the limiting piece 6 abuts against the outer peripheral wall of the threaded column 4; the head 61 of the limiting piece 6 is positioned at one side of the clamping block 5, a reset elastic piece 7 is connected between the head 61 of the limiting piece 6 and the clamping block 5, and the reset elastic piece 7 is a spring and used for keeping the limiting piece 6 in a state of blocking the threaded column 4;
the implementation principle of the embodiment is as follows: the operator is at the in-process of going into joint inslot 53 with 4 cards of screw post, 4 extrusion locating part 6 of screw post, make locating part 6 outwards slide, and make the elastic component 7 that resets save elastic potential energy, when 4 butt of screw post to joint inslot 53 tank bottoms, locating part 6 loses the restriction and resets at the inside slip under the effect of the elastic component 7 that resets, locating part 6 is tangent with the surface of screw post 4 this moment, even the screw post 4 wants outwards to deviate from joint inslot 53, because screw post 4 can only be applyed for 6 axial thrusts of locating part 6 perpendicular to locating part, then locating part 6 can't stretch out and draw back, just also can realize spacing to screw post 4, the anticreep.
The above arrangement further simplifies the operation of connecting the threaded stud 4 to the clamping block 5.
EXAMPLE seven
Referring to fig. 8, a new pin insulator disclosed in this embodiment is different from the first embodiment in that the turning plane of the clamping block 5 is different, specifically as follows: the clamping block 5 comprises a fixing part 56 connected with one of the threaded columns 4 in a sliding mode and an overturning part 57 connected with the fixing part 56 in a rotating mode, the overturning axis of the overturning part 57 is perpendicular to the axis of the threaded column 4, and the clamping groove 53 is formed in the overturning part 57.
The implementation principle of the embodiment is as follows: the operator can connect another screw column 4 into the clamping groove 53 by turning the turning part 57, and screw the limiting part 6 to limit the turning part 57 to turn continuously.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (10)
1. The utility model provides a novel pin insulator, includes insulating needle body (1), connecting portion (11) and installation department (2) are installed respectively to the both ends of insulating needle body (1), and insulating needle body (1) periphery is fixed with a plurality of chute boot (12), and installation department (2) are including mount pad (3), and it has mounting groove (31), its characterized in that to keep away from insulating needle body (1) one side in mount pad (3): the mounting part (2) further comprises two threaded columns (4) fixed on one side, away from the insulating needle body (1), of the mounting base (3), the mounting groove (31) is located between the two threaded columns (4), the mounting part (2) further comprises a clamping block (5) located on one side, away from the insulating needle body (1), of the mounting base (3), one end of the clamping block (5) is rotatably connected to one of the threaded columns (4), the other end of the clamping block (5) is provided with a clamping groove (53), and the other threaded column (4) is clamped in the clamping groove (53); a limiting part (6) used for limiting the threaded column (4) to be separated from the clamping groove (53) is arranged at the notch of the clamping groove (53); clamping block (51) is fixed on clamping block (5) and clamping block (51) is located mounting groove (31) and is kept away from insulating needle body (1) one side, is connected with retaining member (41) that are used for promoting clamping block (51) to move towards mounting groove (31) on screw thread post (4).
2. The novel pin insulator of claim 1, wherein: the rotation axis of the clamping block (5) is parallel or coaxial with one of the threaded columns (4).
3. The novel pin insulator of claim 2, wherein: the limiting part (6) is a bolt, the limiting part (6) comprises a head (61) and a tail end (62), and the tail end (62) of the limiting part (6) penetrates into the clamping groove (53).
4. The novel pin insulator of claim 3, wherein: the tail end (62) of the limiting part (6) is abutted to or penetrates through the groove wall of the clamping groove (53), and the limiting part (6) is intercepted in the groove opening of the clamping groove (53) and forms a closed annular limiting area with the clamping groove (53).
5. The novel pin insulator of claim 4, wherein: the limiting piece (6) sequentially comprises a large-diameter section (63), a transition section (64) and a small-diameter section (65) along the length direction of the limiting piece, the head (61) is arranged at the end of the large-diameter section (63), the tail end (62) is arranged at the end of the small-diameter section (65), the outer diameter of the large-diameter section (63) is larger than that of the small-diameter section (65), and the outer diameter of the transition section (64) is gradually reduced from the large-diameter section (63) to the small-diameter section (65); the threaded column (4) is abutted against the bottom of the clamping groove (53), and the outer peripheral wall of the threaded column (4) is abutted against the transition section (64).
6. The novel pin insulator of claim 3, wherein: screw post (4) support tightly in the tank bottom of joint groove (53), are equipped with arc flexure strip (54) in joint groove (53), and the cell wall in joint groove (53) is connected to the one end of arc flexure strip (54), and tail end (62) of locating part (6) support tightly in arc flexure strip (54) lateral wall to promote arc flexure strip (54) face contact in the periphery wall of screw post (4).
7. The novel pin insulator of claim 3, wherein: screw post (4) support tightly in the tank bottom of joint groove (53), are equipped with elasticity butt piece (55) in joint groove (53), and the one end of elasticity butt piece (55) is connected in the notch of joint groove (53), and tail end (62) top of locating part (6) are tightly in the lateral wall of elasticity butt piece (55) to the other end that promotes elasticity butt piece (55) supports tightly in the periphery wall of screw post (4).
8. The novel pin insulator of claim 2, wherein: the threaded column (4) is tightly propped against the bottom of the clamping groove (53); locating part (6) are shaft-like and slide and wear on grip block (5), and locating part (6) include tail end (62) and head (61), and tail end (62) of locating part (6) are worn to joint groove (53) in and the notch setting of slope orientation joint groove (53), and the periphery wall butt of locating part (6) is equipped with elastic component (7) that resets between grip block (5) and locating part (6) in the periphery wall of screw post (4).
9. The novel pin insulator of claim 1, wherein: the rotation axis of the clamping block (5) is perpendicular to one of the threaded columns (4).
10. The novel pin insulator of claim 1, wherein: one side of the mounting seat (3) far away from the insulating needle body (1) is connected with a supporting elastic part (32), and the supporting elastic part (32) is abutted against the clamping block (5) along the axial direction of the threaded column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010020489.4A CN111128481A (en) | 2020-01-09 | 2020-01-09 | Novel pin insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010020489.4A CN111128481A (en) | 2020-01-09 | 2020-01-09 | Novel pin insulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112071523A (en) * | 2020-08-27 | 2020-12-11 | 俊郎电气有限公司 | Post insulator |
| CN112509759A (en) * | 2020-11-25 | 2021-03-16 | 萍乡百斯特电瓷有限公司 | Electric porcelain insulator capable of preventing cable from loosening |
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| CN207033934U (en) * | 2017-06-19 | 2018-02-23 | 华电电力科学研究院 | A kind of suspension bracket turnbuckle |
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| CN205069242U (en) * | 2015-10-29 | 2016-03-02 | 江苏金三力电力器材实业有限公司 | Polymerization gold silicon pin insulator |
| CN207033934U (en) * | 2017-06-19 | 2018-02-23 | 华电电力科学研究院 | A kind of suspension bracket turnbuckle |
| CN208478035U (en) * | 2018-08-15 | 2019-02-05 | 王敏超 | A kind of cap button insulator |
| CN209621770U (en) * | 2018-09-04 | 2019-11-12 | 林建廷 | Collar |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112071523A (en) * | 2020-08-27 | 2020-12-11 | 俊郎电气有限公司 | Post insulator |
| CN112071523B (en) * | 2020-08-27 | 2022-03-11 | 俊郎电气有限公司 | Post insulator |
| CN112509759A (en) * | 2020-11-25 | 2021-03-16 | 萍乡百斯特电瓷有限公司 | Electric porcelain insulator capable of preventing cable from loosening |
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Application publication date: 20200508 |