CN212725639U - Earth connection anticreep device for low voltage distribution - Google Patents

Abstract

The utility model belongs to the technical field of ground wire anti-drop, in particular to a ground wire anti-drop device for low-voltage power distribution, which comprises a rectangular cylinder, wherein an L-shaped piece is provided with a wiring terminal, the upper end of a screw rod is rotatably assembled with a pressing block, the inner walls of the left and right sides of a first rectangular sleeve are respectively provided with two first arc-shaped lock holes which are distributed up and down, two first limiting plates are respectively fixedly connected with a first hemispherical lock piece which extends out of a first step hole and is matched with the first arc-shaped lock holes, the inner walls of the left and right sides of a second rectangular sleeve are respectively provided with two second arc-shaped lock holes which are distributed up and down, two second limiting plates are respectively fixedly connected with a second hemispherical lock piece which extends out of a second step hole and is matched with the second arc-shaped lock holes, a first hexagonal block is assembled in the first hexagonal block, a second hexagonal block is, the device is contracted, the size of the device is reduced, and workers can store the device conveniently.

Description

Earth connection anticreep device for low voltage distribution

Technical Field

The utility model belongs to the technical field of the earth connection anticreep, concretely relates to earth connection anticreep device for low pressure distribution.

Background

The rated current of the low-voltage power distribution cabinet is 50Hz, and the power distribution system with the rated voltage of 380v is used for power, illumination and power conversion and control of power distribution. The product has the characteristics of strong breaking capacity, good dynamic and thermal stability, flexible electric scheme introduction, convenient combination, seriousness, strong practicability, novel structure and the like. Present low-voltage grounding line when low-voltage distribution cabinet copper bar ground connection, personnel walk about touching the earth connection in the work progress often appears, the phenomenon that leads to the earth connection pine to take off, there is certain potential safety hazard, ground connection anticreep equipment has been designed for this reason on the market, reciprocate through the screw rod, it reciprocates to drive the compact heap, compress tightly the wire between compact heap and wire piece, compress tightly the wire and prevent to drop, because wire position is most higher, thereby for the convenience of staff's use of present ground connection anticreep equipment, design length is longer, when the staff need not use ground connection anticreep equipment, it is great to occupy the volume, the staff of being not convenient for deposits.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the anti-falling device for the ground wire for low-voltage power distribution is capable of shrinking the whole body when not in use, reducing the length of the whole body and facilitating storage of workers.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a grounding wire anti-falling device for low-voltage power distribution comprises a rectangular cylinder, wherein one end of the rectangular cylinder is fixedly connected with an L-shaped piece, the L-shaped piece is provided with a wiring terminal, an arc-shaped pressing groove is formed in the upper side of the L-shaped piece, a screw rod is in threaded connection with the inside of the rectangular cylinder, a pressing block is rotatably assembled at the upper end of the screw rod, a stabilizing mechanism is arranged between the pressing block and the L-shaped piece, a first rectangular sleeve is sleeved on the outer side of the rectangular cylinder, two first arc-shaped locking holes which are distributed up and down are formed in the inner walls of the left side and the right side of the left side of the first rectangular sleeve, first step holes are formed in the left side and the right side of the lower end of the rectangular cylinder, first springs are fixedly connected inside the first step holes, first limiting plates are fixedly connected with the two first spring, first hemispherical locking pieces, a second rectangular sleeve is sleeved outside the first rectangular sleeve, two second arc-shaped locking holes which are distributed up and down are arranged on the inner walls of the left side and the right side of the left side of the second rectangular sleeve, second step holes are arranged on the left side and the right side of the lower end of the first rectangular sleeve, second springs are assembled in the two second step holes, a second limiting plate is fixedly connected with the two second springs, a second hemispherical locking piece which extends out of the second step holes and is matched with the second arc-shaped locking holes is fixedly connected with the two second limiting plates, a rotating handle is rotatably assembled at the lower end of the second rectangular sleeve, a first through hole is arranged at the lower end of the screw rod, a first hexagonal hole is arranged at the upper side of the first through hole, a first hexagonal block is assembled in the first hexagonal hole, a first rotating shaft which extends out of the first through hole is fixedly connected with the first hexagonal block, and a second through hole is arranged at the lower end of the, the upper side of the second through hole is provided with a second hexagonal hole, a second hexagonal block is assembled in the second hexagonal hole, the second hexagonal block is fixedly connected with a second rotating shaft extending out of the second through hole, and the lower end of the second rotating shaft penetrates through a second rectangular sleeve and is fixedly connected with a rotating handle.

By adopting the technical scheme of the utility model, when in use, a worker pulls out a rectangular cylinder from a first rectangular sleeve forcibly, when the rectangular cylinder is pulled out from the first rectangular sleeve, the inner wall of a first arc-shaped lock hole at the lower side extrudes a first hemispherical lock piece, the first hemispherical lock piece is put into a first step hole, a first spring is compressed until the two first hemispherical lock pieces at the lower side of the rectangular cylinder are matched with the two first arc-shaped lock holes at the upper side of the first rectangular sleeve, the two first springs are stretched to push the two first hemispherical lock pieces into the two first arc-shaped lock holes respectively, thereby realizing the limit between the rectangular cylinder and the first rectangular sleeve, then the worker pulls out the first rectangular sleeve from a second rectangular sleeve forcibly, when the first rectangular sleeve is pulled out from the second rectangular sleeve, the inner wall of the two second arc-shaped lock holes at the lower side extrudes two second hemispherical lock pieces into a second step hole, the two second springs are compressed and continuously pull the second rectangular sleeve until the position of the second hemispherical locking piece is matched with the position of the two second arc locking holes on the upper side, the two second springs are stretched, so that the two second hemispherical locking pieces are jacked into the two second arc locking holes on the upper side, the limit between the first rectangular sleeve and the second rectangular sleeve is realized, when the rectangular cylinder is pulled out from the first rectangular sleeve and the first rectangular sleeve is pulled out from the second rectangular sleeve, the first hexagonal block contracts and slides in the first hexagonal hole, and the second hexagonal block contracts and slides in the second hexagonal hole, so that the rectangular cylinder, the first rectangular sleeve and the second rectangular sleeve can be contracted; the working personnel connect the grounding wire to the wiring terminal, then the L-shaped piece is connected with the bus, then the working personnel rotate the rotating handle, the rotating handle drives the second rotating shaft to rotate, the second rotating shaft drives the second hexagonal block to rotate, the second hexagonal block drives the first rotating shaft to rotate, the first rotating shaft drives the screw rod to rotate through the first hexagonal block, the screw rod moves up and down to drive the pressing block to move up and down, so that the wire is pressed in the arc pressing groove to be contacted with the L-shaped piece, the L-shaped piece transmits the power to the wiring terminal, the wiring terminal transmits the power to the grounding wire, grounding work is realized, the pressing block and the L-shaped piece press the wire, and fixation and difficult falling off are realized; when the device is not used, the first rectangular sleeve is accommodated into the second rectangular sleeve, the two second hemispherical locking pieces are respectively locked into the two second arc-shaped locking holes on the lower side, the rectangular cylinder is accommodated into the first rectangular sleeve, the two first hemispherical locking pieces are locked into the two first arc-shaped locking holes on the lower side, and the upper end of the rectangular cylinder cannot be completely accommodated into the first rectangular sleeve due to the L-shaped piece arranged on the upper end of the rectangular cylinder, so that the rectangular cylinder can be conveniently pulled out from the first rectangular sleeve in the later period; this device simple structure, reasonable in design, the staff of being convenient for when not using this device, gets up this device shrink, reduces the volume of this device, and the staff of being convenient for deposits.

Further inject, stabilizing mean is including spout, gag lever post and sliding seat, the spout is established at the L-shaped inboard, the gag lever post assembly is in the spout, the sliding seat overlaps with the gag lever post and establishes, sliding seat and compact heap fixed connection. Such structure, at the in-process that the compact heap reciprocated, drive the sliding seat and reciprocate on the gag lever post surface to spacing the compact heap, take place the swing when preventing the compact heap from reciprocating.

Further, the surface of the rotating handle is provided with anti-skid grains. With the structure, the rotating handle is convenient for workers to rotate.

Further limit, the handle is rotated for insulating, the second rectangle sleeve is insulating second rectangle sleeve, first rectangle sleeve is insulating first rectangle sleeve. Due to the structure, protective measures for workers are added.

Compared with the prior art, the utility model has the following advantages:

this device simple structure, reasonable in design, the staff of being convenient for when not using this device, in the first rectangle sleeve of rectangle section of thick bamboo income, in first rectangle sleeve income second rectangle sleeve, reduces the volume of this device, and the staff of being convenient for carries and deposits.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

fig. 1 is a schematic structural view of an embodiment of an earth wire anti-drop device for low-voltage power distribution according to the present invention;

fig. 2 is a schematic cross-sectional view of an embodiment of the anti-drop device for the ground wire for low-voltage power distribution of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is an enlarged view of the structure at C in FIG. 2;

fig. 6 is a schematic view of an assembly structure of a screw, a first rotating shaft and a second rotating shaft of an embodiment of the ground wire anti-drop device for low-voltage power distribution of the present invention;

the main element symbols are as follows:

the clamping device comprises a rectangular cylinder 1, an L-shaped part 11, a wiring terminal 12, an arc-shaped pressing groove 13, a screw 131, a pressing block 14, a first rectangular sleeve 2, a first arc-shaped locking hole 21, a first stepped hole 23, a first spring 24, a first limiting plate 25, a first hemispherical locking piece 26, a second rectangular sleeve 3, a second arc-shaped locking hole 31, a second stepped hole 32, a second spring 33, a second limiting plate 34, a second hemispherical locking piece 35, a rotating handle 36, a first through hole 4, a first hexagonal hole 41, a first hexagonal block 42, a first rotating shaft 43, a second through hole 44, a second hexagonal hole 45, a second hexagonal block 46, a second rotating shaft 47, a sliding groove 5, a limiting rod 51 and a sliding seat 52.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in FIGS. 1-6, the utility model relates to a ground wire anti-disengaging device for low voltage power distribution, which comprises a rectangular cylinder 1, one end of the rectangular cylinder 1 is fixedly connected with an L-shaped member 11, the L-shaped member 11 is provided with a connecting terminal 12, the upper side of the L-shaped member 11 is provided with an arc-shaped pressing groove 13, the rectangular cylinder 1 is internally threaded with a screw 131, the upper end of the screw 131 is rotatably assembled with a pressing block 14, a stabilizing mechanism is arranged between the pressing block 14 and the L-shaped member 11, the outer side of the rectangular cylinder 1 is sleeved with a first rectangular sleeve 2, the inner walls of the left and right sides of the first rectangular sleeve 2 are respectively provided with two first arc-shaped locking holes 21 which are distributed up and down, the left and right sides of the lower end of the rectangular cylinder 1 are respectively provided with a first step hole 23, the insides of the two first step holes 23 are respectively fixedly connected with a first spring 24, the two first spring 24 are respectively fixedly connected, the outer side of the first rectangular sleeve 2 is sleeved with a second rectangular sleeve 3, the inner walls of the left and right sides of the second rectangular sleeve 3 are respectively provided with two second arc-shaped locking holes 31 which are distributed up and down, the left and right sides of the lower end of the first rectangular sleeve 2 are respectively provided with a second step hole 32, the inner parts of the two second step holes 32 are respectively provided with a second spring 33, the two second springs 33 are respectively fixedly connected with a second limiting plate 34, the two second limiting plates 34 are respectively fixedly connected with a second hemispherical locking piece 35 which extends out of the second step holes 32 and is matched with the second arc-shaped locking holes 31, the lower end of the second rectangular sleeve 3 is rotatably provided with a rotating handle 36, the lower end of the screw 131 is provided with a first through hole 4, the upper side of the first through hole 4 is provided with a first hexagonal hole 41, the inner part of the first hexagonal hole 41 is provided with a first hexagonal block 42, the first hexagonal block 42 is fixedly connected with a first rotating shaft 43 which extends out, second through-hole 44 upside is equipped with second hexagonal hole 45, and second hexagonal hole 45 internal assembly has second hexagonal piece 46, and second hexagonal piece 46 fixedly connected with stretches out second through-hole 44's second pivot 47, and second pivot 47 lower extreme passes second rectangle sleeve 3 and rotates handle 36 fixed connection.

By adopting the technical scheme of the utility model, when in use, when the rectangular cylinder 1 is pulled out from the first rectangular sleeve 2 by force, when the rectangular cylinder 1 is pulled out from the first rectangular sleeve 2, the inner wall of the first arc-shaped lock hole 21 at the lower side extrudes the first hemispherical lock 26, the first hemispherical lock 26 is put into the first step hole 23, the first spring 33 is compressed until the two first hemispherical locks 26 at the lower side of the rectangular cylinder 1 are matched with the two first arc-shaped lock holes 21 at the upper side of the first rectangular sleeve 2, the two first springs 24 are extended, the two first hemispherical locks 26 are respectively pushed into the two first arc-shaped lock holes 21, thereby realizing the limit between the rectangular cylinder 1 and the first rectangular sleeve 2, then the worker pulls the first rectangular sleeve 2 out from the second rectangular sleeve 3 by force, when the first rectangular sleeve 2 is pulled out from the second rectangular sleeve 3, the inner walls of the two second arc-shaped lock holes 31 at the lower side extrude the two second hemispherical lock parts 35 into the second step hole 32, the two second springs 33 compress, the second rectangular sleeve 3 is continuously pulled until the positions of the second hemispherical lock parts 35 are matched with the positions of the two second arc-shaped lock holes 31 at the upper side, the two second springs 33 stretch, so that the two second hemispherical locking pieces 35 are pushed into the two second arc-shaped locking holes 31 at the upper side, thereby realizing the limit between the first rectangular sleeve 2 and the second rectangular sleeve, while the rectangular cylinder 1 is pulled out from the first rectangular sleeve 2 and the first rectangular sleeve 2 is pulled out from the second rectangular sleeve 3, the first hexagonal block 42 slides in the first hexagonal hole 41 in a contracting manner, and the second hexagonal block 46 slides in the second hexagonal hole 45 in a contracting manner, so as to be capable of following the contraction of the rectangular cylinder 1, the first rectangular sleeve 2 and the second rectangular sleeve 3; the worker connects the grounding wire to the wiring terminal 12, then the L-shaped piece 11 is connected with the bus in a hanging mode, then the worker rotates the rotating handle 36, the rotating handle 36 drives the second rotating shaft 47 to rotate, the second rotating shaft 47 drives the second hexagonal block 46 to rotate, the second hexagonal block 46 drives the first rotating shaft 43 to rotate, the first rotating shaft 43 drives the screw rod 131 to rotate through the first hexagonal block 42, the screw rod 131 moves up and down, the pressing block 14 is driven to move up and down, therefore, the wire is pressed in the arc-shaped pressing groove 13 to be in contact with the L-shaped piece 11, the L-shaped piece 11 transmits power to the wiring terminal 12, the wiring terminal 12 transmits power to the grounding wire, grounding work is achieved, the pressing block 14 and the L-shaped piece 11 tightly press the wire, and accordingly fixation is; when the device is not used, in the same way as above, the first rectangular sleeve 2 is taken into the second rectangular sleeve 3, the two second hemispherical locking pieces 35 are respectively locked into the two second arc-shaped locking holes 31 on the lower side, the rectangular cylinder 1 is taken into the first rectangular sleeve 2, the two first hemispherical locking pieces 26 are locked into the two first arc-shaped locking holes 21 on the lower side, and the upper end of the rectangular cylinder 1 cannot be completely taken into the first rectangular sleeve 2 due to the L-shaped piece 11, so that the structure is convenient for pulling the rectangular cylinder 1 out of the first rectangular sleeve 2 in the later period; this device simple structure, reasonable in design, the staff of being convenient for when not using this device, gets up this device shrink, reduces the volume of this device, and the staff of being convenient for deposits.

Preferably, the stabilizing mechanism comprises a sliding groove 5, a limiting rod 51 and a sliding seat 52, the sliding groove 5 is arranged on the inner side of the L-shaped part 11, the limiting rod 51 is assembled in the sliding groove 5, the sliding seat 52 is sleeved with the limiting rod 51, and the sliding seat 52 is fixedly connected with the pressing block 14. With the structure, in the process that the pressing block 14 moves up and down, the sliding seat 52 is driven to move up and down on the surface of the limiting rod 51, so that the pressing block 14 is limited, and the pressing block 14 is prevented from swinging when moving up and down. In fact, other structures can be considered according to specific situations to prevent the pressing block 14 from swinging when moving up and down.

Preferably, the surface of the rotating handle 36 is provided with anti-slip lines. This configuration facilitates the rotation of the turning handle 36 by the worker. In fact, other configurations are contemplated as appropriate to facilitate rotation of the twist grip 36 by the worker.

Preferably, the rotating handle 36 is an insulated rotating handle, the second rectangular sleeve 3 is an insulated second rectangular sleeve, and the first rectangular sleeve 2 is an insulated first rectangular sleeve. Due to the structure, protective measures for workers are added. In fact, other structures can be considered according to specific situations, and protective measures for workers can be added.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (4)

1. The utility model provides a low pressure distribution is with earth connection anticreep device, includes a rectangle section of thick bamboo (1), its characterized in that: the improved structure of the rectangular cylinder is characterized in that one end of the rectangular cylinder (1) is fixedly connected with an L-shaped part (11), the L-shaped part (11) is provided with a wiring terminal (12), the upper side of the L-shaped part (11) is provided with an arc-shaped compression groove (13), the inside of the rectangular cylinder (1) is in threaded connection with a screw rod (131), the upper end of the screw rod (131) is rotatably assembled with a compression block (14), a stabilizing mechanism is arranged between the compression block (14) and the L-shaped part (11), the outer side of the rectangular cylinder (1) is sleeved with a first rectangular sleeve (2), the inner walls of the left side and the right side of the first rectangular sleeve (2) are respectively provided with two first arc-shaped locking holes (21) which are distributed up and down, the left side and the right side of the lower end of the rectangular cylinder (1) are respectively provided with a first step hole (23), two first springs (24, the two first limiting plates (25) are fixedly connected with first hemispherical locking pieces (26) extending out of first step holes (23) and matched with first arc-shaped locking holes (21), the outer side of the first rectangular sleeve (2) is sleeved with a second rectangular sleeve (3), the inner walls of the left side and the right side of the second rectangular sleeve (3) are respectively provided with two second arc-shaped locking holes (31) distributed up and down, the left side and the right side of the lower end of the first rectangular sleeve (2) are respectively provided with a second step hole (32), the two second step holes (32) are respectively internally provided with a second spring (33), the two second springs (33) are respectively fixedly connected with second limiting plates (34), the two second limiting plates (34) are respectively fixedly connected with second hemispherical locking pieces (35) extending out of the second step holes (32) and matched with the second arc-shaped locking holes (31), the lower end of the second rectangular sleeve (3) is rotatably provided with a rotating handle (36), the utility model discloses a handle of a motor vehicle, including screw rod (131), first through-hole (4) upside is equipped with first hexagonal hole (41), first hexagonal hole (41) internal assembly has first hexagonal piece (42), first hexagonal piece (42) fixedly connected with stretches out first pivot (43) of first through-hole (4), first pivot (43) lower extreme is equipped with second through-hole (44), second through-hole (44) upside is equipped with second hexagonal hole (45), second hexagonal hole (45) internal assembly has second hexagonal piece (46), second hexagonal piece (46) fixedly connected with stretches out second pivot (47) of second through-hole (44), second pivot (47) lower extreme passes second rectangle sleeve (3) and rotates handle (36) fixed connection.

2. The earth wire disconnection preventing device for low-voltage power distribution according to claim 1, characterized in that: stabilizing mean is including spout (5), gag lever post (51) and sliding seat (52), spout (5) are established at L shape piece (11) inboardly, gag lever post (51) assembly is in spout (5), sliding seat (52) are established with gag lever post (51) cover, sliding seat (52) and compact heap (14) fixed connection.

3. The earth wire anti-drop device for low-voltage power distribution according to claim 2, characterized in that: the surface of the rotating handle (36) is provided with anti-skid grains.

4. The earth wire anti-drop device for low-voltage power distribution according to claim 3, characterized in that: the rotary handle (36) is an insulating rotary handle, the second rectangular sleeve (3) is an insulating second rectangular sleeve, and the first rectangular sleeve (2) is an insulating first rectangular sleeve.

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