CN216904257U - Prepackage type connects soon and prevents down power supply unit - Google Patents

Abstract

The utility model discloses a pre-installed quick-connect anti-reverse power supply device, the anti-reverse power supply device comprises a pre-installed clamping part which is detachably covered and clamped on a cable conductor, and a pre-installed clamping part used for connecting an access bus bar end. An adapter and a detachable insulating shell assembly; the insulating shell assembly includes a first insulating assembly for wrapping and fixing the pre-installed clamping portion and a second insulating assembly for wrapping and fixing the pre-installed transfer portion , the pre-installed clamping part includes a static clamping body and a dynamic clamping body that are clamped to each other. The cavity cylinder is provided with a fixing hole horizontally perpendicular to the central cavity cylinder on the movable clamping body, and a fastening bolt is threadedly connected in the fixing hole. The utility model can be quickly disassembled and assembled to complete power transmission or power transfer, and can waterproof and seal the exposed conductors of the cable parts, thereby improving the waterproof performance and preventing the exposed parts of the cable parts from entering water.

Description

A pre-installed quick-connect anti-fall power supply device

technical field

The utility model belongs to the technical field of electric power supply equipment, in particular to a pre-installed quick-connect anti-falling power supply device.

Background technique

With the rapid development of urban construction, the requirements for power supply reliability are getting higher and higher. Therefore, the transmission lines of high-voltage and high-current distribution networks are connected to users, or the chargers of electric vehicles, power generation vehicles, and electric vehicles are connected to each other. The frequency of such operations is greatly increased. In order to realize the connection between the transmission line of the distribution network and the cable of the user end, most of the current access methods are to connect the user end to the electric busbar and the transmission line of the distribution network by winding and bundling. This method often leads to weak wiring, easy disconnection, poor airtightness, and poor waterproof performance, which brings a lot of work to maintenance and emergency repair personnel. If the power outage wiring operation is carried out, it will not only affect the power demand of users on the transmission line, but also if the installation, disassembly or maintenance of the connecting cable is rashly carried out without the anti-fall power supply treatment, the electrical equipment will supply power to the transmission line. Therefore, the transmission line is still live, and there is bound to be a great safety hazard; if the work is carried out with power, the live body will be contacted during the wiring operation, which is easy to cause electric shock danger, and the wiring operation time is long, generally 30 It takes more than a minute to complete the connection work. Therefore, there is an urgent need to provide a fast anti-falling power supply device to solve many problems for the purpose of fast wiring and power supply.

Utility model content

The purpose of the present utility model is to provide a pre-installed quick-connect anti-reverse power supply device, according to the utility model, it can be quickly disassembled and assembled to complete power transmission or power transfer, and can The exposed conductor is waterproof and sealed, which improves the waterproof performance and prevents the exposed parts of the cable from entering the water. In order to achieve the above object, the utility model adopts the following technical effects:

According to one aspect of the present invention, a pre-installed quick-connect anti-falling power supply device is provided, the anti-falling power supply device includes a pre-installed clamping portion detachably clamped on the cable conductor and a pre-installed clamping portion for connecting and accessing The pre-installed adapter part of the bus bar end, the outer wall of the pre-installed clamping part and the outer wall of the pre-installed adapter part are covered and fixed with an insulating shell component, and the pre-installed clamping part and the pre-installed adapter part are integrally connected to each other It is wrapped and fixed in the insulating shell assembly.

The above solution is further preferably, the insulating housing assembly includes a first insulating assembly for wrapping and fixing the pre-installed clamping part and a second insulating assembly for wrapping and fixing the pre-installed adapter part, the pre-installed clip The holding part includes a static clamping body and a dynamic clamping body that are clamped to each other, the static clamping body and the dynamic clamping body are covered and fixed in the first insulating component, and the static clamping body and the dynamic clamping body are After being clamped to each other, the center forms a central cavity that wraps and clamps the cable conductor. The movable clamping body is provided with a fixing hole that is horizontal and perpendicular to the central cavity. Fastening bolts are threadedly connected in the fixing holes. A pre-installed adapter part is provided on the outer wall of the holder and below the fixing hole and the axis perpendicular to the central cavity cylinder.

The above solution is further preferred, the first sliding slot is provided on the inner wall of the clamping opening on both sides of the static clamping body and along the axial direction of the central cavity cylinder, and the outer wall of the movable clamping body is provided with the sliding slot. Snap-on ribs that slide relative to each other.

The above scheme is further preferred, the number of the fixing holes is one or more, and by screwing the tightening bolts into the plurality of fixing holes, the tightening bolts and the conductor of the cable are in tight pressure contact, Thus, the static clamping body is stably fixed on the cable.

The above solution is further preferably, the pre-installed adapter portion includes a first adapter portion and a second adapter portion that are integrally formed and connected, and the first adapter portion and the second adapter portion are respectively covered and fixed on the second adapter. In the insulating assembly, the upper end of the first adapter is vertically connected to the outer wall of the static clamping body, and the second adapter is connected to the side of the lower end of the first adapter and along the axis of the central cavity. .

The above solution is further preferred, the second insulating assembly includes a front insulating slot and a rear insulating slot, and an insulating cylinder for wrapping the second transition portion is provided on the front side wall of the front insulating slot, The rear insulating slot is arranged on the rear side of the first adapter part, the left and right side walls of the first adapter part are provided with a second sliding card groove, and the inner wall of the front insulating groove is slidably engaged with the second sliding card In the slot, the edge of the slot of the rear insulating slot is buckled with the edge of the slot of the front insulating slot.

The above solution is further preferred, the second adapter is vertically fixed on the front side wall of the lower end of the first adapter, the free end of the second adapter is provided with an external thread, and the second adapter is provided with external threads. A waterproof cover is connected to the external thread of the free end of the adapter part.

The above solution is further preferred, the first insulating assembly includes two butt-jointed first insulating sub-shells and second insulating sub-shells, and the first insulating sub-shell is arranged along the outer wall of the static clamping body after being covered with the outer wall of the static clamp. The second insulating sub-shells covered by the outer wall of the movable clamp are butted and clamped.

The above scheme is further preferred, a first insulating waterproof shell is provided at both ends of the first insulating sub-shell, a second insulating waterproof shell is provided at both ends of the second insulating sub-shell, and both sides of the first insulating waterproof shell are provided. The edge of the opening is provided with a clamping groove, and the opening edges on both sides of the second insulating waterproof shell are provided with clamping joints corresponding to the clamping groove. When the first insulating sub-shell is clamped with the second insulating sub-shell , so that the first insulating waterproof case and the second insulating waterproof case are clamped through the clamping joint and the clamping groove.

In the above solution, preferably, annular waterproof extrusion strips are arranged on the inner wall of the first insulating waterproof casing and the inner wall of the first insulating waterproof casing.

To sum up, because the present utility model adopts the above technical solutions, the present utility model has the following technical effects: the pre-installed quick-connection anti-power-down device of the present utility model can be quickly disassembled and assembled, thereby completing the transmission or retrieval of electricity. It can also waterproof and seal the exposed conductors of the cable parts connected to the electricity, which improves the waterproof performance, prevents the exposed parts of the cable parts from entering water, and improves the safety and practicability of the rapid power extraction and power supply of the transmission lines. When overhaul is required, pull the clamping body to open it before overhauling, and restore the movable clamping body to its original position after the overhaul.

Description of drawings

Fig. 1 is the outline structure intention of a kind of prefabricated quick-connect anti-falling power supply device of the present invention;

2 is a schematic diagram of the internal structure of a pre-installed quick-connect anti-falling power supply device of the present invention;

3 is a schematic structural diagram of an explosion state of a pre-installed quick-connect anti-reverse power supply device of the present invention;

4 is a schematic diagram of the connection structure of the static clamping body and the dynamic clamping body of the present invention;

In the drawings, pre-installed clamping part 1, pre-installed adapter part 2, insulating housing assembly 3, cable 10, first insulating assembly 30, second insulating assembly 31, static clamping body 100, dynamic clamping body 101 , the central cavity cylinder 102, the fixing hole 103, the fastening bolt 104, the first sliding slot 105, the clamping rib 106, the first adapting part 200, the second adapting part 201, the second sliding slot 202, the external thread 203, the first insulating sub-shell 300, the second insulating sub-shell 301, the first insulating waterproof shell 302, the second insulating waterproof shell 303, the clamping groove 304, the clamping joint 305, the annular waterproof extrusion strip 306, the front insulation groove 310 , rear insulating groove 311 , insulating cylinder 312 , waterproof cover 313 .

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model more clear, the present utility model will be further described in detail below with reference to the accompanying drawings and citing preferred embodiments. It should be noted, however, that many of the details listed in the specification are only for the purpose of giving the reader a thorough understanding of one or more aspects of the present invention, and these aspects of the present invention may be practiced without these specific details.

As shown in Fig. 1, Fig. 2 and Fig. 3, according to a pre-installed quick-connect anti-falling power supply device of the present invention, the anti-falling power supply device comprises a pre-installed clamp that is detachably clamped on the cable conductor part 1 and a pre-installed adapter part 2 for connecting to the bus bar end, the pre-installed clamping part 1 and the pre-installed adapter part 2 are covered and fixed with an insulating shell assembly 3 outside, the pre-installed clamping part 2 is The part 1 and the pre-installed adapter part 2 are integrally connected to each other and are covered and fixed in the insulating housing assembly 3. The pre-installed quick-connection anti-power-down device of the present invention can be pre-installed and fixed on the low-voltage bus cable 10, and cooperate with The high-current cable end is quickly plugged and connected to meet the needs of fast power supply and power supply; when the busbar cable 10 is stripped, the pre-installed adapter 2 is sleeved on the conductor of the stripped cable 10, and the inner wall of the pre-installed adapter 2 The metal of the cable 10 is fixedly connected with the conductor of the cable 10, and the insulator on the outer wall of the pre-installed adapter 2 seals and insulates its peeled part. After the pre-installed adapter 2 takes electricity from the conductor of the cable 10, the pre-installed adapter 2 It is transferred to the user socket, so as to provide users with a power transfer interface. The pre-installed transfer part 2 is pre-installed on the cable line for users to take power at any time. The pre-installed transfer part 2 pairs the cable It can effectively seal the cable, improve its waterproof performance, avoid water entering the power connection part, improve safety, and improve practicability. When maintenance is required, disassemble the pre-installed adapter part 2 to expose the stripped part of the cable 10, and then perform the maintenance. After the maintenance, the pre-installed adapter part 2 can be completed.

In the present invention, the insulating housing assembly 3 includes a first insulating assembly 30 for wrapping and fixing the preinstalled clamping portion 1 and a second insulating assembly 31 for wrapping and fixing the preinstalled adapter portion 2 . The pre-installed clamping part 1 includes a static clamping body 100 and a dynamic clamping body 101 that are snap-connected to each other. The inner wall of the static clamping body 100 is a semi-cylindrical or 3/4 cylinder. The inner wall of 101 is a semi-cylindrical or 1/4 cylinder, the static clamping body 100 and the dynamic clamping body 101 are covered and fixed in the first insulating component 30 , the static clamping body 100 and the dynamic clamping body 101 A central cavity 102 that wraps and clamps the cable conductors is formed in the center after being clamped to each other. The movable clamping body 101 is provided with a fixing hole 103 that is horizontal and perpendicular to the central cavity 102. The number of the fixing holes 103 is 1 One or more than two, fastening bolts 104 are threaded in the fixing hole 103 , and a pre-installed adapter is provided on the outer wall of the static clamping body 100 and below the fixing hole 103 and the axis of the central cylinder 102 perpendicular to the axis 2. The static clamping body 100 and the movable clamping body 101 are arranged on both sides of the cable extending direction, and the inner wall of the static clamping body 100 is in contact with the peeled and exposed part of the cable 10. Since the static clamping body 100 The static holding body 100 and the moving holding body 101 are separately poured into the first insulating assembly 30 for sealing and insulating treatment, and the operation can be performed without powering off the power transmission line during the wiring operation. 101 operate independently of each other, and they are snap-fitted and sleeved on the cable 10. At this time, the fastening bolts 104 are screwed into the movable clamping body 101 from the fixing holes 103 and are in close contact with the conductors of the cable 10 to be fixed. Then, the outer ends of the fastening bolts 104 are sealed, so that the entire insulating housing assembly 3 is fixed and sealed on the cable 10 .

The first insulating assembly 30 includes two first insulating sub-shells 300 and a second insulating sub-shell 301 that are engaged with each other, and the first insulating assembly 30 includes two first insulating sub-shells 300 that are engaged with each other. and the second insulating sub-shell 301 , the first insulating sub-shell 300 is clad along the outer wall of the static clamping body 100 and then snapped together with the second insulating sub-shell 301 clad along the outer wall of the movable clamping body 101 . Then, the static clamping body 100 is cast and fixed in the first insulating sub-shell 300, and the movable clamping body 101 is cast and fixed in the second insulating sub-shell 301; at both ends of the first insulating sub-shell 300 A first insulating waterproof shell 302 is provided, a second insulating waterproof shell 303 is provided at both ends of the second insulating sub-shell 301, and a snap groove 304 is provided on both sides of the opening edge of the first insulating waterproof shell 302. The opening edges of the two insulating waterproof shells 303 are provided with snap joints 305 corresponding to the snap grooves 304. When the first insulating sub-shell 300 is snapped with the second insulating sub-shell 301, the first insulating The waterproof casing 302 and the second insulating waterproof casing 303 are clamped through the clamping joint 305 and the clamping groove 304; The first sliding slot 105 is provided with a snap rib 106 on the outer wall of the movable clamping body 101 that slides relatively with the sliding slot 105 , and the inner wall of the first insulating waterproof shell 302 and the inner wall of the second insulating waterproof shell 303 Symmetrically arranged annular waterproof extrusion strips 306, when the inner wall of the first insulating waterproof shell 302 and the second insulating waterproof shell 303 are engaged with each other, the inner symmetrical annular waterproof extrusion strips 306 are connected to form an arc as a whole; When the second insulating sub-shell 301 outside the movable clamping body 101 is clamped with the first insulating sub-shell 300 outside the static clamping body 100 , the movable clamping body 101 is first moved along the axis of the central cavity cylinder 102 . Insert the snap rib 106 on the outer side wall of the movable clamping body 101 into the first sliding slot 105 on the inner wall of the static clamping body 100, so that the front and rear ends of the movable clamping body 101 and the static clamping body 100 are aligned, The clamping grooves 304 of the opening edges on both sides of the first insulating waterproof case 302 are clamped with the clamping joints 305 at the opening edges of the second insulating waterproof case 303. When the two insulating sub-shells 301 are snapped together to form an integral first insulating assembly 30, the annular waterproof extrusion strips 306 on the inner walls of the first insulating waterproof shell 302 and the second insulating waterproof shell 303 are formed on the circumference of the inner wall of the waterproof shells. A complete annular waterproof extrusion strip is used to extrude and seal the insulating outer part of the extruded cable, and the exposed conductor of the cable 10 is sealed in the first insulating assembly 30 to prevent rainwater from entering the cable in the cavity of the first insulating assembly 30. 10 the exposed part of the conductor, so as to form a sealed and insulated state when the cable 10 is wired and powered, and a pre-installed anti-power-reverse and power-taking device is formed on the cable line. For this purpose, the pre-installed clamping part 1 can be directly work with shop Operation, and the exposed conductor part of the wiring of the cable can be well insulated and sealed.

In the present invention, the pre-installed adapter portion 2 includes a first adapter portion 200 and a second adapter portion 201 that are integrally formed and connected, and the first adapter portion 200 and the second adapter portion 201 are respectively packaged The upper end of the first adapter portion 200 is vertically connected to the outer wall of the static clamping body 100 , and is located on the side of the lower end of the first adapter portion 200 and along the central cylinder 102 . The axial direction is connected to the second adapter portion 201, and the static clamping body 100, the dynamic clamping body 101, the first adapter portion 200 and the second adapter portion 201 are made of aluminum alloy, copper or other metal conductors. The second insulating component 31 includes a front insulating slot 310 and a rear insulating slot 311, and an insulating cylinder for covering the second adapter portion 201 is provided on the front side wall of the front insulating slot 310 body 312 , the rear insulating slot 311 is provided on the rear side of the first adapter part 200 , the left and right side walls of the first adapter part 200 are provided with a second sliding slot 202 , the inner wall of the front insulating slot 310 is Slidingly clipped in the second sliding slot 202, the edge of the slot of the rear insulating slot 311 is buckled with the edge of the slot of the front insulating slot 310; the second adapter part 201 is vertically fixed to the On the front side wall of the lower end of the first adapter part 200, the free end of the second adapter part 201 is provided with an external thread 202, and the external thread 203 of the free end of the second adapter part 201 is connected with a waterproof cover 313, the first adapter portion 200 is cast in the rear insulating groove 311, the second adapter portion 201 is cast in the front insulating groove 310, and the rear insulating groove 311 and the front insulating groove 310 are sealed and buckled in the pre-installed switch. The outer part of the connecting part 2 is thus formed as a whole, and the rear insulating groove 311, the front insulating groove 310 and the first insulating sub-shell 300 can be connected into one, and the metal of the pre-installed quick-connecting part in the inner part can be sealed; The insulating groove 310 and the insulating cylindrical body 312 are integrally sleeved relative to the rear insulating groove 311 side of the second adapter part 201, so that the insulating cylindrical body 312 is sleeved on the outside of the second adapter part 201, and the front insulating groove 310 is sleeved The inner wall of the front insulating slot 310 is slidably inserted into the second sliding slot 202, and the inner wall of the front insulating slot 310 is clamped with the second sliding slot 202. The insulating slot 311 and the front insulating slot 310 form a snap connection along the vertical direction, and the upper end of the rear insulating slot 311 is laterally (horizontally) connected to the lower edge of the first insulating sub-shell 300 and the second insulating sub-shell 301 respectively. The lower edge of the insulating cylinder 312 and the second adapter part 201 form a horizontal part of the adapter body, so as to form an integral pre-installed adapter part 2, and then the insulation cylinder 312 The waterproof cover 313 is placed on the inner part of the body, so that the waterproof cover 313 seals the second adapter part 201 in the insulating cylinder 312. The second adapter part 201 is a metal cylinder or a square cylinder, which can be inserted into the socket. In the interface, it is used for power supply for the user terminal.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications It should also be regarded as the protection scope of the present invention.

Claims (10)

1. A pre-installed quick-connect anti-reverse power supply device, characterized in that: the anti-reverse power supply device comprises a pre-installed clamping part that is detachably clamped on the cable conductor and a pre-installed switch for connecting to the end of the access bus. The connecting part, the outer wall of the pre-installed clamping part and the outer part of the pre-installed adapter part are covered and fixed with an insulating shell component, and the pre-installed clamping part and the pre-installed adapter part are integrally connected to each other and covered and fixed on the inside the insulating housing assembly. 2 . A pre-installed quick-connect anti-falling power supply device according to claim 1 , wherein the insulating housing assembly comprises a first insulating assembly for wrapping and fixing the pre-installed clamping portion and a Covering and fixing the second insulating component of the pre-installed transfer part, the pre-installed clamping part includes a static clamping body and a dynamic clamping body that are clamped to each other, and the static clamping body and the dynamic clamping body are covered and fixed In the first insulating assembly, after the static clamping body and the movable clamping body are clamped to each other, a central cavity cylinder wrapping and clamping the cable conductor is formed in the center. The fixing hole of the cylinder is screwed with fastening bolts in the fixing hole, and a pre-installed adapter is provided on the outer wall of the static clamping body and below the fixing hole and the axis of the central cavity cylinder perpendicular to the cylinder. 3. A pre-installed quick-connection anti-fallback power supply device according to claim 2, characterized in that: a first power supply device is provided on the inner wall of the clamping opening on both sides of the static clamping body and along the axis direction of the central cavity cylinder. In the sliding clamping slot, the outer wall of the movable clamping body is provided with a clamping rib that slides relatively with the sliding clamping slot. 4 . The pre-installed quick-connect anti-fallback power supply device according to claim 2 , wherein the number of the fixing holes is one or more. 5 . 5 . The pre-installed quick-connect anti-fallback power supply device according to claim 2 , wherein the pre-installed adapter portion comprises a first adapter portion and a second adapter portion that are integrally formed and connected. 5 . The first transfer part and the second transfer part are respectively covered and fixed in the second insulating component, the upper end of the first transfer part is vertically connected to the outer wall of the static clamping body, and the upper end of the first transfer part is vertically connected to the outer wall of the static clamping body. The side part of the lower end is connected to the second adapter part along the axial direction of the central cavity. 6 . The pre-installed quick-connect anti-fallback power supply device according to claim 5 , wherein the second insulating component comprises a front insulating slot and a rear insulating slot, and a front side wall of the front insulating slot is located at the front side wall of the front insulating slot. 7 . An insulating cylinder body is provided for covering and sheathing the second transfer part, the rear insulating groove is arranged on the rear side of the first transfer part, and the left and right side walls of the first transfer part are provided with a second A sliding slot, the inner wall of the front insulating slot is slidably clipped in the second sliding slot, and the edge of the slot of the rear insulating slot is buckled with the edge of the slot of the front insulating slot. 7 . The pre-installed quick-connect anti-fallback power supply device according to claim 6 , wherein the second adapter portion is vertically fixed on the front side wall of the lower end of the first adapter portion, 8 . An external thread is provided on the free end portion of the second adapter portion, and a waterproof cover is connected to the external thread on the free end portion of the second adapter portion. 8 . The pre-installed quick-connect anti-fallback power supply device according to claim 2 , wherein the first insulating component comprises two butt-jointed first insulating sub-shells and second insulating sub-shells. 9 . The first insulating sub-shell is disposed along the outer wall of the static clamping body and then is butt-jointed with the second insulating sub-shell that is enveloped along the outer wall of the movable clamping device. 9 . The pre-installed quick-connect anti-falling power supply device according to claim 8 , wherein a first insulating waterproof casing is provided at both ends of the first insulating sub-shell, and a second insulating sub-shell is provided on the second insulating sub-shell. 10 . The two ends are provided with second insulating waterproof shells, the opening edges on both sides of the first insulating waterproof shell are provided with clamping grooves, and the opening edges on both sides of the second insulating waterproof shell are provided with corresponding clamping grooves. When the first insulating sub-shell and the second insulating sub-shell are clamped, the first insulating waterproof shell and the second insulating waterproof shell are clamped through the clamping joint and the clamping groove. 10 . The pre-installed quick-connect anti-fallback power supply device according to claim 9 , wherein an annular waterproof extrusion strip is arranged on the inner wall of the first insulating waterproof shell and the inner wall of the first insulating waterproof shell. 11 .

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