CN217589445U - Wire connecting device with anti-loosening function - Google Patents

Abstract

The utility model discloses a wire connecting device with locking function, include: the wire clamp comprises a first clamping block and a second clamping block, wherein the first clamping block is provided with a first mounting hole which penetrates through the first clamping block from top to bottom, and the second clamping block is provided with a second mounting hole which penetrates through the second clamping block from top to bottom; locking subassembly, locking subassembly includes check bolt, nut and ring gear, check bolt runs through first mounting hole with the second mounting hole sets up, check bolt is equipped with first screw thread portion, check bolt is in first screw thread portion department is equipped with and is spiral helicine locking recess, the medial surface of the central through-hole of ring gear is equipped with locking rack, locking rack's lateral surface be equipped with the second screw thread portion of first screw thread portion looks adaptation, second screw thread portion can with the spiral cylinder is constituteed to first screw thread portion, the nut can with spiral cylinder threaded connection, the nut can mesh with first screw thread portion and second screw thread portion promptly to play the locking effect of machinery.

Description

Wire connecting device with anti-loosening function

Technical Field

The utility model relates to a power equipment technical field, in particular to wire connecting device with locking function.

Background

The safety of using electricity in present society receives more and more people and pays attention to, guarantees that the electric wire netting safety and stability moves and has important meaning, if the wire connection is handled poorly, can bring a lot of puzzlements for people, has the potential safety hazard even.

The bolt connection time that current connecting cable clamp is used for centre gripping cable bare conductor has been of a specified duration and can take place not hard uply, especially under the environment that the grease is more or high-frequency vibration, and bolted connection is not hard uply more, easily leads to the cable clamp centre gripping cable bare conductor unstability even pine to take off, causes the unable normal work's of connecting cable clamp that corresponds problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.

The utility model provides a wire connecting device with anti-loosening function, which comprises a wire clamp, wherein the wire clamp comprises a first clamping block and a second clamping block which are arranged up and down, the first clamping block is provided with a first mounting hole which runs through up and down, the second clamping block is provided with a second mounting hole which runs through up and down, the first mounting hole is communicated with the second mounting hole, and the opposite surfaces of the first clamping block and the second clamping block are provided with wire clamping grooves; locking subassembly, locking subassembly includes check bolt, nut and ring gear, check bolt runs through first mounting hole and second mounting hole setting, check bolt is equipped with first screw portion, check bolt is equipped with in first screw portion department and is spiral helicine locking recess, the tail end that runs through first screw portion from top to bottom in locking recess, the helix angle of locking recess is greater than the helix angle of first screw portion, the medial surface of the central through-hole of ring gear is equipped with check rack, check rack and locking recess looks adaptation, check rack's lateral surface is equipped with the second screw portion with first screw portion looks adaptation, check rack can imbed in the locking recess, second screw portion constitutes the spiral cylinder with first screw portion, the nut can be connected with spiral cylinder threaded connection.

According to the utility model discloses wire connecting device with locking function that provides has following beneficial effect at least: the opposite surfaces of the first clamping block and the second clamping block are provided with wire clamping grooves, the anti-loose bolts penetrate through the first mounting hole and the second mounting hole, and the wire clamping grooves can clamp wires under the screwing action of the nuts and the anti-loose bolts, so that the wire connecting effect is achieved; the check bolt is equipped with in first screw portion department and is spiral helicine locking recess, and the helix angle of locking recess is greater than the helix angle of first screw portion, during the equipment, the user can embolia the ring gear on the check bolt, and make in the check rack embedding check recess, make the second screw portion in the check rack outside and the cooperation of first screw portion, in order to form complete thread cylinder, the nut can with thread cylinder threaded connection, the nut can mesh with first screw portion and second screw portion promptly, thereby the relative position of restriction ring gear and check bolt, the nut of ring gear and check bolt is located the both ends of first clamp splice and second clamp splice respectively, thereby play mechanical locking's effect to being connected of first clamp splice and second clamp splice, be favorable to avoiding the naked wire of centre gripping cable insecure or even pine to take off and cause the unable problem appearance of normal work of corresponding connecting cable clamp.

According to the utility model discloses a some embodiments, the upper end setting that first clamp splice was worn out to first screw thread portion, and the up end of first clamp splice is equipped with first contrary ring gear, and first contrary ring gear is around first mounting hole setting, and the lower terminal surface of ring gear is equipped with the contrary ring gear of second, and the contrary end of the direction of screwing of nut is only ended to the contrary of second contrary ring gear, and first contrary ring gear is only ended ring gear and the contrary ring gear looks adaptation of second, and first contrary ring gear can only be ended the ring gear meshing with the second.

Specifically, first screw thread portion wears out the upper end setting of first clamp splice, first end ring gear sets up around first mounting hole, when the ring gear cover was established on check bolt, and realize the meshing back to check bolt and ring gear through the nut, first end ring gear can end the ring gear meshing with the second, thereby play the effect of restriction ring gear toward the reverse rotation of nut direction of screwing, increase the stability of being connected of locking subassembly and second clamp splice promptly, and then increase the stability of being connected of first clamp splice and second clamp splice, keep the fastener to the tight effect of clamp of cable.

According to some embodiments of the utility model, the lower extreme of first clamp splice is equipped with first fixture block of downward bellied and the first draw-in groove of upwards sunken, and the upper end of second clamp splice is equipped with the second fixture block of upwards bellied and the second draw-in groove of downwards sunken, and first clamp splice is central symmetry with the second clamp splice, first fixture block can with second draw-in groove joint, second fixture block can with first draw-in groove joint.

Under the combined action of the anti-loosening bolt, the toothed ring and the nut, the first clamping block can be clamped with the second clamping groove, the second clamping block can be clamped with the first clamping groove, under the clamping action of the first clamping block and the second clamping groove and the clamping action of the second clamping block and the first clamping groove, the hooking of the first clamping block and the second clamping block is favorably realized, the connection stability of the first clamping block and the second clamping block is favorably improved, and the connection stability of the clamping of the wire is further improved.

According to some embodiments of the utility model, first clamp splice and second clamp splice all are J shape, and first clamp splice can be with the hook joint of second clamp splice each other.

Specifically, the first clamping block and the second clamping block are both J-shaped, and under the compression action of the anti-loosening assembly, the first clamping block and the second clamping block are mutually matched and hooked, so that the relative movement of the first clamping block and the second clamping block can be limited, and the stability of clamping a wire is improved.

According to some embodiments of the utility model, all be equipped with wire clamping groove on the medial surface of first draw-in groove and the medial surface of second draw-in groove.

All be equipped with the wire clamping groove on the medial surface of first draw-in groove and the medial surface of second draw-in groove, under the effect of compressing tightly of locking subassembly, the medial surface of first draw-in groove cooperates with the lateral surface of second fixture block to the realization is to the centre gripping of one side cable, the medial surface of second draw-in groove and the lateral surface cooperation of first fixture block, thereby realizes the centre gripping to the cable of opposite side, thereby plays the effect that the wire is connected.

According to the utility model discloses a some embodiments, the medial surface of first draw-in groove is equipped with first card strip, and first card strip encloses into wire clamping groove with the lower tip of first draw-in groove, and the medial surface of second draw-in groove is equipped with second card strip, and second card strip encloses into wire clamping groove with the upper end of second draw-in groove.

The inner side surface of the first clamping groove is provided with a first clamping strip, the inner side surface of the second clamping groove is provided with a second clamping strip, the arrangement of the first clamping strip and the second clamping strip is favorable for reducing the overall weight and the manufacturing cost of the first clamping block and the second clamping block, more moving spaces can be arranged between the first clamping groove and the second clamping block and between the second clamping groove and the first clamping block due to the arrangement of the first clamping strip and the second clamping strip, and the wire can be conveniently clamped into the wire clamping grooves on the two sides and clamped into the first clamping block and the second clamping block.

According to the utility model discloses a some embodiments, the aperture of second mounting hole is greater than the aperture of first mounting hole, and check bolt's nut is located the below of second mounting hole, and check bolt's nut's width is greater than the width of second mounting hole.

The aperture of second mounting hole is greater than the aperture of first mounting hole, and when first clamp splice and second clamp splice separated, the relative check bolt swing of second clamp splice to can be convenient for adjust the contained angle between first clamp splice and the second clamp splice, so that go into the wire clamping groove of both sides with the wire card, realize the connection and the clamping effect to the both sides wire.

According to some embodiments of the utility model, the up end of check bolt's nut and the lower terminal surface of second clamp splice all are equipped with the non-slip surface.

The upper end face of the nut of the anti-loosening bolt and the lower end face of the second clamping block are provided with anti-slip faces, the two anti-slip faces can be mutually abutted, and under the compression effect of the anti-loosening assembly, the relative displacement of the anti-loosening bolt and the second clamping block is favorably limited, so that the connection stability of the anti-loosening bolt and the second clamping block is increased, and the clamping stability of the wire clamp to a wire is kept.

According to the utility model discloses a some embodiments, the utility model discloses still include the insulating protective cover, the insulating protective cover includes the first cover body and the second cover body, and fastener and locking subassembly all set up in the insulating protective cover, and the first cover body is articulated with the one end of the second cover body, and the first cover body is connected with the other end buckle of the second cover body.

In order to ensure the operation or the use safety, the wire connecting device with the anti-loosening function further comprises an insulating protective cover, the first cover body is hinged to one end of the second cover body, the wire clamp and the anti-loosening assembly can be placed in the insulating protective cover through opening of the first cover body and the second cover body, and the first cover body is connected with the second cover body in a clamped mode, so that the insulating protective cover is closed, and the wire clamp and the anti-loosening assembly are protected in an insulating mode.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic perspective view of a wire connecting device with an anti-loosening function according to an embodiment of the present invention in an assembled state;

fig. 2 is a perspective view of the wire connecting device with anti-loosening function shown in fig. 1 from another perspective in an assembled state;

fig. 3 is an exploded view of a wire connecting device with anti-loosening function according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a ring gear of a wire connecting device with an anti-loose function according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of another view angle of a ring gear of a wire connecting device with an anti-loose function according to an embodiment of the present invention.

In the drawings: 100. wire clamps; 110. a first clamping block; 111. a first mounting hole; 112. a first non-return ring gear; 113. a first clamping block; 114. a first card slot; 115. a first clip strip; 120. a second clamp block; 121. a second mounting hole; 122. a second fixture block; 123. a second card slot; 124. a second card strip; 130. a wire clamping groove; 200. a locking assembly; 210. a check bolt; 211. a first threaded portion; 212. a locking groove; 220. a nut; 230. a toothed ring; 231. a lock rack; 232. a second threaded portion; 233. a second non-return ring gear.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the directional descriptions, such as the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, a plurality of terms means an indefinite amount, and a plurality of terms means two or more, and the terms greater than, less than, exceeding, etc. are understood to include no essential numbers, and the terms greater than, less than, within, etc. are understood to include essential numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated. Additionally, appearing throughout and/or representing three juxtapositions, for example, A and/or B represents a solution satisfied by A, a solution satisfied by B, or a solution satisfied by both A and B.

In the description of the present invention, if there is a phrase containing a plurality of parallel features, the phrase defined therein is the closest feature, for example: b arranged on A, C and E connected with D, wherein the B is arranged on A and the E is connected with D, and C is not limited; however, the terms indicating the relationship between the features, such as "spaced apart", "arranged in a ring", etc., do not fall within this category. If the phrase is preceded by the word "mean", it means that all the features in the phrase are limited, and if B, C and D are all arranged on a, it means that B, C and D are all arranged on a.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Embodiments of the present invention will be described with reference to fig. 1 to 5.

First embodiment, referring to fig. 1 to 3, an embodiment of the present invention provides a wire connection device with a locking function, including: a wire clamp 100 and a slack prevention assembly 200.

The wire clamp 100 may be made of a wire metal material, such as steel, copper, etc. Under the clamping action of the wire clamp 100, connection and electric conduction of two wires can be realized.

Referring to fig. 1 and 2, the wire clamp 100 includes a first clamping block 110 and a second clamping block 120 which are arranged up and down, the first clamping block 110 and the second clamping block 120 have the same external shape, specifically, the first clamping block 110 and the second clamping block 120 are both in a "J" shape, the first clamping block 110 and the second clamping block 120 are arranged in a central symmetry manner, a first mounting hole 111 which penetrates through the first clamping block 110 up and down is arranged on the first clamping block 110, a second mounting hole 121 which penetrates through the second clamping block 120 up and down is arranged on the second clamping block 120, and the anti-loosening assembly 200 is arranged by penetrating through the first mounting hole 111 and the second mounting hole 121. Under the connecting and pressing action of the anti-loose assembly 200, the first clamping block 110 and the second clamping block 120 can be hooked with each other, so that the connection stability of the first clamping block 110 and the second clamping block 120 is maintained.

Specifically, a first clamping block 113 protruding downwards and a first clamping groove 114 recessed upwards are arranged at the lower end of the first clamping block 110, a second clamping block 122 protruding upwards and a second clamping groove 123 recessed downwards are arranged at the upper end of the second clamping block 120, the first clamping block 110 and the second clamping block 120 are in central symmetry, a first clamping strip 115 is arranged on the inner side surface of the first clamping groove 114, a clamping groove 130 is defined by the first clamping strip 115 and the lower end portion of the first clamping groove 114, a second clamping strip 124 is arranged on the inner side surface of the second clamping groove 123, and a clamping groove 130 is defined by the second clamping strip 124 and the upper end portion of the second clamping groove 123.

Under the combination and connection action of the anti-loose assembly 200, the first clamping block 113 can be clamped with the second clamping groove 123, the second clamping strip 124 can be abutted against the outer wall surface of the first clamping block 113, the second clamping block 122 can be clamped with the first clamping groove 114, the first clamping strip 115 can be abutted against the outer wall surface of the second clamping block 122, under the clamping action of the first clamping block 113 and the second clamping groove 123 as well as the clamping action of the second clamping block 122 and the first clamping groove 114, the hooking of the first clamping block 110 and the second clamping block 120 is favorably realized, the connection stability of the first clamping block 110 and the second clamping block 120 is favorably improved, the connection stability of the wire clamp 100 is improved, and the wire clamping grooves 130 located on the first clamping block 110 and the second clamping block 120 can clamp wires on two sides, so that the connection action of the wires is realized.

The arrangement of the first clamping strip 115 and the second clamping strip 124 is beneficial to reducing the overall weight and manufacturing cost of the first clamping block 110 and the second clamping block 120, and the arrangement of the first clamping strip 115 and the second clamping strip 124 enables more moving spaces to be formed between the first clamping groove 114 and the second clamping block 122 and between the second clamping groove 123 and the first clamping block 113, so that a wire can be conveniently clamped into the clamping grooves 130 on the two sides, and the first clamping block 110 and the second clamping block 120 can be clamped.

Referring to fig. 1 and 3, in particular, the anti-loose assembly 200 includes an anti-loose bolt 210, a nut 220 and a toothed ring 230, the anti-loose bolt 210 is disposed through the first mounting hole 111 and the second mounting hole 121, the anti-loose bolt 210 is provided with a first thread portion 211, the anti-loose bolt 210 is provided with a spiral anti-loose groove 212 at the first thread portion 211, the anti-loose groove 212 penetrates through a tail end of the first thread portion 211, and a helix angle of the anti-loose groove 212 is greater than a helix angle of the first thread portion 211, that is, the anti-loose groove 212 and the first thread portion 211 are arranged in a staggered manner.

Referring to fig. 4 and 5, a locking rack 231 is disposed on an inner side surface of the central through hole of the gear ring 230, the size and shape of the locking rack 231 are matched with those of the locking groove 212, and the locking rack 231 can be inserted into the locking groove 212 to fill the recess of the locking groove 212.

The outer side surface of the locking rack 231 is provided with a second thread part 232 matched with the first thread part 211, when the locking rack 231 is embedded into the locking groove 212, the outer peripheral surface of the second thread part 232 is flush with the outer peripheral surface of the first thread part 211, the second thread part 232 and the first thread part 211 are matched to form a complete spiral cylindrical surface, and the nut 220 can be in threaded connection with the spiral cylindrical surface.

During assembly, a user can sleeve the toothed ring 230 into the check bolt 210, and the check rack 231 is embedded into the check groove 212, so that the second thread portion 232 outside the check rack 231 is matched with the first thread portion 211 to form a complete thread cylindrical surface, the nut 220 can be in threaded connection with the thread cylindrical surface, that is, the nut 220 can be meshed with the first thread portion 211 and the second thread portion 232, so as to limit the relative position of the toothed ring 230 relative to the check bolt 210, the nuts of the toothed ring 230 and the check bolt 210 are respectively located at two ends of the first clamping block 110 and the second clamping block 120, so as to play a role in mechanical check on the connection of the first clamping block 110 and the second clamping block 120, and the problem that the corresponding connecting cable clamp 100 cannot normally work due to unstable or even loose of the clamped cable bare conductor is avoided.

Under the influence of external vibration, the first clamping block 110 can impact the toothed ring 230 in the vertical direction, under the meshing action of the second threaded portion 232 and the nut 220 and the mutual abutting action of the locking rack 231 and the locking groove 212, the movement of the toothed ring 230 can be limited, the mechanical locking effect is achieved, and the problem that the corresponding connecting cable clamp 100 cannot work normally due to the fact that the bare cable is clamped unstably or even loosened can be avoided.

The first screw portion 211 is formed to penetrate through the upper end of the first clamping block 110, the first non-return ring gear 112 is formed on the upper end surface of the first clamping block 110, the first non-return ring gear 112 is formed to surround the first mounting hole 111, the second non-return ring gear 233 is formed on the lower end surface of the gear ring 230, and the second non-return ring gear 233 performs non-return in a direction opposite to a screwing direction of the nut 220. The backstop direction of the first backstop ring gear 112 is opposite to the backstop direction of the second backstop ring gear 233.

When the ring gear 230 is sleeved on the lock bolt 210 and the nut 220 is engaged with the lock bolt 210 and the ring gear 230, the first non-return ring gear 112 can be engaged with the second non-return ring gear 233, the first non-return ring gear 112 is adapted to the second non-return ring gear 233, and the first non-return ring gear 112 can be engaged with the second non-return ring gear 233, so as to limit the reverse rotation of the ring gear 230 toward the screwing direction of the nut 220, i.e., to increase the connection stability between the nut 220 and the lock bolt 210, to further increase the connection stability between the first clamping block 110 and the second clamping block 120, and to maintain the cable clamping effect of the cable clamp 100 on the cable.

The aperture of the second mounting hole 121 is larger than that of the first mounting hole 111, and when the first clamping block 110 is separated from the second clamping block 120, the second clamping block 120 can swing relative to the anti-loosening bolt 210, so that the included angle between the first clamping block 110 and the second clamping block 120 can be conveniently adjusted, and the wires can be clamped into the wire clamping grooves 130 on two sides, and the wires on two sides can be connected and clamped. The nut of the check bolt 210 is located below the second clamping block 120, and the width of the nut of the check bolt 210 is greater than the width of the second mounting hole 121, which is beneficial for connection through the check bolt 210 and the nut 220, thereby connecting the first clamping block 110 and the second clamping block 120.

The upper end surface of the nut of the anti-loosening bolt 210 and the lower end surface of the second clamping block 120 are both provided with anti-slip surfaces, and the anti-slip surfaces can be provided with anti-slip stripes or anti-slip bumps. The two anti-slip surfaces are mutually abutted, and under the compression action of the anti-loosening assembly 200, the relative displacement between the anti-loosening bolt 210 and the second clamping block 120 is favorably limited, so that the connection stability between the anti-loosening bolt 210 and the second clamping block 120 is increased, and the clamping stability of the wire clamping groove 130 on a wire is kept.

In order to ensure the safety of the operation or the wire clamp 100 in the using process, the wire connecting device with the anti-loosening function further comprises an insulating protective cover, the insulating protective cover comprises a first cover body and a second cover body, the first cover body is hinged with one end of the second cover body, and the first cover body is connected with the other end of the second cover body in a buckling mode.

The user can all place fastener 100 and locking subassembly 200 in insulating protection casing with the relative second back of opening of the first cover body to through the joint of the first cover body and the second cover body, thereby realize the closure of insulating protection casing, thereby play insulating protection to fastener 100 and locking subassembly 200, be favorable to avoiding fastener 100 to receive external interference and the safety problem that leads to.

During the use, the user can pass through the second mounting hole 121 from bottom to top with the check bolt 210 earlier for the nut of check bolt 210 and the lower terminal surface butt of second clamp splice 120, and block one side wire in the wire clamping groove 130 of second draw-in groove 123 department, then penetrate first clamp splice 110 on the check bolt 210, and block the opposite side wire in the wire clamping groove 130 of first draw-in groove 114 department, adjust the position relation of first clamp splice 110 and second clamp splice 120, make first clamp splice 110 and second clamp splice 120 agree with each other and collude, thereby guarantee the stability of being connected of first clamp splice 110 and second clamp splice 120. Then, the user can sleeve the toothed ring 230 on the check bolt 210, and make the check rack 231 clamped into the check groove 212, and rotate the toothed ring 230, make the lower end of the toothed ring 230 abut against the upper end of the first clamping block 110, the second thread portion 232 is spliced with the first thread portion 211 to form a complete spiral cylindrical surface, then screwed on the check bolt 210 with the nut 220, make the nut 220 meshed with the spiral cylindrical surface, so as to realize the fixation of the first clamping block 110 and the second clamping block 120, the arrangement of the check assembly 200 can play a role of mechanical check, finally, the insulation protective cover is covered on the wire clamp 100 and the check assembly 200, and the connection and assembly of the wire connecting device with the check function and the wire are completed.

While the preferred embodiments of the present invention have been described in detail, it is to be understood that the invention is not limited to the precise embodiments, and that various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (9)

1. A wire connecting device with a looseness-preventing function, comprising:

the wire clamp (100) comprises a first clamping block (110) and a second clamping block (120) which are arranged up and down, wherein a first mounting hole (111) which penetrates through the first clamping block (110) up and down is formed in the first clamping block, a second mounting hole (121) which penetrates through the second clamping block (120) up and down is formed in the second clamping block (120), the first mounting hole (111) is communicated with the second mounting hole (121), and wire clamping grooves (130) are formed in the opposite surfaces of the first clamping block (110) and the second clamping block (120);

locking subassembly (200), locking subassembly (200) includes locking bolt (210), nut (220) and ring gear (230), locking bolt (210) run through first mounting hole (111) with second mounting hole (121) set up, locking bolt (210) are equipped with first screw thread portion (211), locking bolt (210) are in first screw thread portion (211) department is equipped with and is spiral helicine locking recess (212), locking recess (212) run through the tail end of first screw thread portion (211), the spiral lead angle of locking recess (212) is greater than the spiral lead angle of first screw thread portion (211), the medial surface of the central through-hole of ring gear (230) is equipped with locking rack (231), locking rack (231) with locking recess (212) looks adaptation, the lateral surface of locking rack (231) be equipped with second screw thread portion (232) of first screw thread portion (211) looks adaptation, rack (231) can imbed in recess (212), second screw thread portion (232) with first screw thread portion (211) constitutes the cylinder screw thread, the cylinder screw thread portion with the nut (220).

2. The wire connecting device with the anti-loose function according to claim 1, wherein the first threaded portion (211) is disposed through an upper end of the first clamping block (110), a first non-return ring gear (112) is disposed on an upper end surface of the first clamping block (110), the first non-return ring gear (112) is disposed around the first mounting hole (111), a second non-return ring gear (233) is disposed on a lower end surface of the gear ring (230), the second non-return ring gear (233) performs non-return in a direction opposite to a screwing direction of the nut (220), the first non-return ring gear (112) is adapted to the second non-return ring gear (233), and the first non-return ring gear (112) can be engaged with the second non-return ring gear (233).

3. The wire connecting device with the anti-loosening function according to claim 1, wherein a first clamping block (113) protruding downwards and a first clamping groove (114) recessed upwards are arranged at the lower end of the first clamping block (110), a second clamping block (122) protruding upwards and a second clamping groove (123) recessed downwards are arranged at the upper end of the second clamping block (120), the first clamping block (110) and the second clamping block (120) are in central symmetry, the first clamping block (113) can be clamped with the second clamping groove (123), and the second clamping block (122) can be clamped with the first clamping groove (114).

4. The wire connecting device with the anti-loose function according to claim 3, wherein the first clamping block (110) and the second clamping block (120) are both J-shaped, and the first clamping block (110) and the second clamping block (120) can be hooked with each other.

5. The wire connecting device with the anti-loosening function according to claim 3, wherein the wire clamping groove (130) is formed on each of the inner side surface of the first clamping groove (114) and the inner side surface of the second clamping groove (123).

6. The wire connecting device with the anti-loosening function according to claim 5, wherein a first clamping strip (115) is arranged on the inner side surface of the first clamping groove (114), the clamping groove (130) is defined by the first clamping strip (115) and the lower end of the first clamping groove (114), a second clamping strip (124) is arranged on the inner side surface of the second clamping groove (123), and the clamping groove (130) is defined by the second clamping strip (124) and the upper end of the second clamping groove (123).

7. The wire connection device with the looseness-prevention function according to claim 1, wherein a diameter of the second installation hole (121) is larger than a diameter of the first installation hole (111), a nut of the looseness-prevention bolt (210) is located below the second installation hole (121), and a width of the nut of the looseness-prevention bolt (210) is larger than a width of the second installation hole (121).

8. The wire connecting device with the looseness-prevention function according to claim 7, wherein an upper end surface of a nut of the looseness-prevention bolt (210) and a lower end surface of the second clamping block (120) are provided with anti-slip surfaces.

9. The wire connecting device with the anti-loosening function according to claim 1, further comprising an insulating protective cover, wherein the insulating protective cover comprises a first cover body and a second cover body, the wire clamp (100) and the anti-loosening assembly (200) are both arranged in the insulating protective cover, the first cover body is hinged to one end of the second cover body, and the first cover body is in snap-fit connection with the other end of the second cover body.

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