CN212928475U

CN212928475U - Ground bolt anti-dismounting and anti-theft nut for electric iron tower

Info

Publication number: CN212928475U
Application number: CN202021453629.9U
Authority: CN
Inventors: 万小华
Original assignee: Yunnan Huasheng Electric Power Equipment Co ltd
Current assignee: Yunnan Huasheng Electric Power Equipment Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-09
Anticipated expiration: 2030-07-22

Abstract

The utility model relates to a theftproof nut technical field just discloses a theftproof nut is prevented unloading by rag bolt for electric power iron tower, the female screw is installed in the surface activity of bolt, including the bolt. The anti-dismounting anti-theft nut for the foundation bolt of the electric iron tower has the main innovation that the working principle of the blind groove on the inner wall of the inner nut and the anti-theft steel ball is consistent with that of the traditional anti-theft nut, the traditional hexahedral design is abandoned, the four screwing clamping grooves are formed in the top of the inner nut, the traditional mode that the nut is screwed from the side is changed, the specially-made four-jaw plate is adopted to extend into the screwing clamping grooves during screwing, the screwing purpose is realized by rotating the four-jaw plate, the outer nut is designed to be circular, and the outer nut is rotatably connected with the inner nut, so that no matter how large the torsion force acting on the surface of the outer nut is, the inner nut can never rotate, the violent dismounting is perfectly solved, and after the inner nut and the bolt are screwed, the anti-theft cover is pressed down from top to bottom, and the screwing permanent clamping grooves are sealed.

Description

Ground bolt anti-dismounting and anti-theft nut for electric iron tower

Technical Field

The utility model relates to a theftproof nut technical field specifically is a theftproof nut is prevented unloading by rag bolt for electric power iron tower.

Background

China can cause the property loss and the personal safety loss of public facilities to be more than hundred million yuan each year due to the connection looseness of components of mechanical departments or artificial theft and damage, and brings great influence to the healthy operation of national economy, so a novel nut is appeared on the market, which is called as an anti-theft nut, the internal thread of the anti-theft nut is provided with a pair of blind grooves, the cross section is arc-shaped, the radial depth of the blind grooves is gradually increased along the direction of reverse thread turning, two balls are arranged in the blind grooves and are provided with special plastic inner linings and plastic gaskets, so as to ensure the free movement of the balls, when the nut is screwed clockwise, the balls roll along the arc-shaped blind grooves, the plastic inner linings of the nut automatically fall off, when the nut is unscrewed anticlockwise, the radial size of the blind grooves is gradually reduced, the balls are blocked in the threads, the nut cannot be unscrewed, and the anti-theft function is achieved, however, in the prior art, when the anti, the utility model provides a ground foot bolt anti-disassembly antitheft nut for electric power iron tower, which is not enough in the aspect of anti-theft.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an electric power iron tower uses rag bolt to prevent unloading antitheft nut possesses anti-riot dismantlement, and the problem that current product exists has been solved to advantages such as theftproof effect is good.

(II) technical scheme

In order to realize the above-mentioned anti-violence dismantlement, the effectual purpose of theftproof, the utility model provides a following technical scheme: the utility model provides an electric power iron tower is with footing bolt anti-disassembly antitheft nut, includes the bolt, the surface movable mounting of bolt has interior nut, blind groove has been seted up to interior nut's inner wall, the inside movable mounting in blind groove has the theftproof steel ball, interior nut's fixed surface installs the snap ring, the one end movable mounting that interior nut was kept away from to the snap ring has the slip steel ball, interior nut's surface movable mounting has outer nut, the theftproof annular has been seted up on outer nut's surface, the tightening draw-in groove has been seted up at interior nut's top, interior nut's top movable mounting has the theftproof lid, the movable groove has been seted up to the inner wall of theftproof lid, the inner wall fixed mounting in movable groove has purpose-built spring, the one end fixed mounting that the movable groove inner.

Preferably, the inner nut is circular in shape in a top view, and the inner wall of the inner nut is provided with threads meshed with the bolt.

Preferably, the number of the blind grooves is four, four blind grooves are grouped in pairs, two groups of blind grooves are distributed on the inner walls of the left side and the right side of the inner nut, the cross sections of the blind grooves are arc-shaped, the radial depth of the blind grooves is gradually increased in a reverse thread turning mode, and special plastic inner linings and plastic gaskets matched with the anti-theft steel balls are installed in the blind grooves.

Preferably, the number of the snap rings is two, the snap rings are in a ring shape, steel ball circular grooves corresponding to the sliding steel balls are formed in the outer surfaces of the snap rings, twelve sliding steel balls are movably mounted on the outer surfaces of each snap ring, and the sliding steel balls are rotatably connected with the snap rings.

Preferably, the overlooking shape of the outer nut is circular, the inner wall of the outer nut is provided with two limiting rotating grooves corresponding to the clamping ring and the sliding steel ball, and the outer nut is rotatably connected with the inner nut.

Preferably, the number of the tightening clamping grooves is four, the four tightening clamping grooves are equidistantly distributed on the top wall of the inner nut, the tightening clamping grooves are rectangular grooves, the overlooking shape of the anti-theft ring groove is a circular ring shape, and the cross section of the anti-theft ring groove is trapezoidal.

Preferably, the anti-theft cover is rotationally connected with the outer nut, six movable grooves are formed in the inner wall of the anti-theft cover at equal intervals, the height of each movable groove is equal to the maximum height of the anti-theft ring groove, the cross section of the clamping plate is trapezoidal, the clamping plate and the anti-theft ring groove meet two connection relations of longitudinal clamping and transverse line sliding connection, and the bottom surface of the anti-theft cover is a one-hundred-forty-degree circular-angle inclined surface.

(III) advantageous effects

Compared with the prior art, the utility model provides an electric power iron tower uses rag bolt to prevent unloading antitheft nut possesses following beneficial effect:

the anti-theft nut for preventing the detachment of the ground bolt for the electric iron tower has the main innovation that the working principle of a blind groove on the inner wall of an inner nut and an anti-theft steel ball is consistent with that of a traditional anti-theft nut, the traditional hexahedral design is abandoned, four screwing clamping grooves are formed in the top of the inner nut, the traditional mode of screwing the nut from the side is changed, a specially-made four-claw plate is adopted to extend into the screwing clamping grooves during screwing, the screwing purpose is realized by rotating the four-claw plate, the outer nut is designed to be circular, and the outer nut is rotatably connected with the inner nut, so that no matter how large the torsion force acting on the surface of the outer nut is, the inner nut can never rotate, the violent disassembly is perfectly solved, after the inner nut and the bolt are screwed, an anti-theft cover is pressed down from top to bottom, the screwing permanent clamping grooves are sealed, the anti-theft effect is effectively improved, and the vertical force can be converted into transverse force by the trapezoidal clamping plate after the downward force is received, thereby make purpose-built spring shrink, the cardboard also can contract in the movable groove, when the cardboard through the theftproof annular, purpose-built spring resumes the former state, in the cardboard can imbed the theftproof annular naturally, because its trapezoidal structure for the cardboard will be unable to take out after imbedding the theftproof annular, the theftproof lid can only pass through cardboard axial slip in the theftproof annular, consequently, no matter how twist and move can not influence interior nut, has promoted its theftproof effect by a wide margin, does not fear violently to dismantle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a in fig. 1 according to the present invention.

In the figure: 1 bolt, 2 internal nuts, 3 blind grooves, 4 anti-theft steel balls, 5 snap rings, 6 sliding steel balls, 7 external nuts, 71 anti-theft ring grooves, 8 screwing clamping grooves, 9 anti-theft covers, 10 movable grooves, 11 special springs and 12 clamping plates.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, 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. 1-2, a footing bolt anti-removal anti-theft nut for an electric iron tower comprises a bolt 1, an inner nut 2 is movably installed on the surface of the bolt 1, the inner nut 2 is circular in shape when viewed from above, threads meshed with the bolt 1 are formed on the inner wall of the inner nut 2, blind grooves 3 are formed on the inner wall of the inner nut 2, anti-theft steel balls 4 are movably installed inside the blind grooves 3, the number of the blind grooves 3 is four, the four blind grooves 3 are grouped in pairs, two groups of blind grooves 3 are distributed on the inner walls of the left side and the right side of the inner nut 2, the cross sections of the blind grooves 3 are arc-shaped, the radial depth of the blind grooves 3 is gradually increased in a reverse thread turning manner, special plastic inner bushings and plastic gaskets matched with the anti-theft steel balls 4 are installed inside the blind grooves 3, a snap ring 5 is fixedly installed on the surface of the inner nut 2, a sliding steel ball, the snap ring 5 is in a ring shape, the outer surface of the snap ring 5 is provided with steel ball circular grooves corresponding to the sliding steel balls 6, the outer surface of each snap ring 5 is movably provided with twelve sliding steel balls 6, the sliding steel balls 6 are rotatably connected with the snap ring 5, the surface of the inner nut 2 is movably provided with an outer nut 7, the overlooking shape of the outer nut 7 is circular, the inner wall of the outer nut 7 is provided with limiting rotating grooves corresponding to the snap ring 5 and the sliding steel balls 6, the number of the limiting rotating grooves is two, the outer nut 7 is rotatably connected with the inner nut 2, the surface of the outer nut 7 is provided with an anti-theft ring groove 71, the top of the inner nut 2 is provided with four screwing clamping grooves 8, the number of the screwing clamping grooves 8 is four, the four screwing clamping grooves 8 are equidistantly distributed on the top wall of the inner nut 2, the screwing clamping grooves 8 are rectangular grooves, the anti-, the top of the inner nut 2 is movably provided with an anti-theft cover 9, the inner wall of the anti-theft cover 9 is provided with a movable groove 10, the inner wall of the movable groove 10 is fixedly provided with a special spring 11, one end of the special spring 11 far away from the inner wall of the movable groove 10 is fixedly provided with a clamping plate 12, the anti-theft cover 9 is rotatably connected with the outer nut 7, the inner wall of the anti-theft cover 9 is equidistantly provided with six movable grooves 10, the height of each movable groove 10 is equal to the maximum height of the anti-theft ring groove 71, the cross section of the clamping plate 12 is trapezoidal, the clamping plate 12 and the anti-theft ring groove 71 simultaneously meet two connection relations of longitudinal clamping and transverse line sliding connection, and.

In summary, the working principle of the anti-theft nut is consistent with that of the traditional anti-theft nut, the anti-theft steel ball 4 and the blind groove 3 on the inner wall of the inner nut 2 are consistent with that of the traditional anti-theft nut, the main innovation is that the traditional six-sided design is abandoned, four screwing clamping grooves 8 are formed in the top of the inner nut 2, the traditional mode of screwing the nut from the side is changed, a specially-made four-tooth claw plate is adopted to extend into the screwing clamping grooves 8 during screwing, the screwing purpose is realized by rotating the four-tooth claw plate, the outer nut 7 is designed to be circular, the outer nut 7 is rotatably connected with the inner nut 2, so that no matter how large the torsion force acting on the surface of the outer nut 7 is, the inner nut 2 can never rotate, the violent disassembling is perfectly relieved, after the inner nut 2 is screwed with the bolt 1, the anti-theft cover 9 is pressed down from the top, the screwing clamping grooves 8 are permanently sealed, and the anti-theft effect is effectively improved, the trapezoidal cardboard 12 can change the horizontal power with the vertical power after receiving the downward power, thereby make purpose-made spring 12 shrink, the cardboard 12 also can shrink in the movable groove 10, when the cardboard 12 is through the theftproof annular 71, purpose-made spring 12 resumes the former state, the cardboard 12 can imbed in the theftproof annular 71 naturally, because its trapezoidal structure, make the cardboard 12 in case can't take out behind the embedding theftproof annular 71, the theftproof lid 9 can only pass through cardboard 12 axial slip in the theftproof annular 71, consequently, how to twist can not influence interior nut 2, its theftproof effect has been promoted by a wide margin, fear violently dismantle.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an electric power iron tower is with rag bolt anti-disassembly antitheft nut, includes bolt (1), its characterized in that: an inner nut (2) is movably arranged on the surface of the bolt (1), a blind groove (3) is arranged on the inner wall of the inner nut (2), an anti-theft steel ball (4) is movably arranged in the blind groove (3), a snap ring (5) is fixedly arranged on the surface of the inner nut (2), one end of the snap ring (5) far away from the inner nut (2) is movably provided with a sliding steel ball (6), an outer nut (7) is movably arranged on the surface of the inner nut (2), an anti-theft ring groove (71) is arranged on the surface of the outer nut (7), the top of the inner nut (2) is provided with a tightening clamping groove (8), the top of the inner nut (2) is movably provided with an anti-theft cover (9), a movable groove (10) is arranged on the inner wall of the anti-theft cover (9), a special spring (11) is fixedly arranged on the inner wall of the movable groove (10), and a clamping plate (12) is fixedly arranged at one end of the special spring (11) far away from the inner wall of the movable groove (10).

2. The ground bolt anti-dismounting anti-theft nut for the electric iron tower as claimed in claim 1, characterized in that: the inner nut (2) is circular in shape in a vertical view, and the inner wall of the inner nut (2) is provided with threads meshed with the bolt (1).

3. The ground bolt anti-dismounting anti-theft nut for the electric iron tower as claimed in claim 1, characterized in that: the number of blind grooves (3) is four, four two liang of blind grooves (3) are a set of, and two sets of blind grooves (3) distribute in the inner wall of the inner nut (2) left and right sides, and the cross-section of blind groove (3) is the arc, and its radial degree of depth turns to against the screw and increases gradually, installs special plastics neck bush and the plastic packing ring that matches with theftproof steel ball (4) in blind groove (3).

4. The ground bolt anti-dismounting anti-theft nut for the electric iron tower as claimed in claim 1, characterized in that: the number of snap rings (5) is two, and snap ring (5) become the ring shape, and the steel ball circular slot that corresponds with slip steel ball (6) is seted up to the surface of snap ring (5), and the equal movable mounting of surface of every snap ring (5) has twelve slip steel balls (6), and slip steel ball (6) are connected with snap ring (5) rotation.

5. The ground bolt anti-dismounting anti-theft nut for the electric iron tower as claimed in claim 1, characterized in that: the overlooking shape of the outer nut (7) is circular, the inner wall of the outer nut (7) is provided with two limiting rotating grooves corresponding to the snap ring (5) and the sliding steel ball (6), and the outer nut (7) is rotatably connected with the inner nut (2).

6. The ground bolt anti-dismounting anti-theft nut for the electric iron tower as claimed in claim 1, characterized in that: the number of the tightening clamping grooves (8) is four, and the four tightening clamping grooves (8) are equidistantly distributed

The tightening clamping groove (8) on the top wall of the inner nut (2) is a rectangular groove, the overlooking shape of the anti-theft ring groove (71) is a circular ring, and the section shape of the anti-theft ring groove (71) is a trapezoid.

7. The ground bolt anti-dismounting anti-theft nut for the electric iron tower as claimed in claim 1, characterized in that: the utility model discloses a theftproof cover, including theftproof lid (9), six movable grooves (10) have been seted up to the inner wall equidistance of theftproof lid (9), and the maximum height of the height of movable groove (10) and theftproof annular (71) equals, and the cross sectional shape of cardboard (12) is trapezoidal, and cardboard (12) and theftproof annular (71) satisfy two kinds of relation of connections of vertical joint and horizontal line sliding connection simultaneously, and the bottom surface of theftproof lid (9) is the fillet inclined plane of one hundred forty degrees.