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

Abstract

The utility model discloses a pre-installed quick-connection anti-falling power supply device, which comprises a pre-installed clamping part, a pre-installed switching part and a detachable insulating shell assembly, wherein the pre-installed clamping part is detachably coated and clamped on a cable conductor; the insulating shell assembly comprises a first insulating assembly used for coating a fixed preassembly clamping part and a second insulating assembly used for coating the fixed preassembly switching part, the preassembly clamping part comprises a static clamping body and a movable clamping body which are mutually clamped, a central cavity cylinder for coating a clamped cable conductor is formed in the center of the clamping body after the static clamping body and the movable clamping body are mutually clamped, a fixing hole which is horizontally perpendicular to the central cavity cylinder is formed in the movable clamping body, and a fastening bolt is connected in the fixing hole in a threaded manner. The utility model can be quickly assembled and disassembled so as to finish power transmission or power taking switching and can carry out waterproof sealing on the conductor exposed at the cable position, thereby improving the waterproof performance and avoiding water from entering the exposed part of the cable position.

Description

Prepackage type connects soon and prevents down power supply unit

Technical Field

The utility model belongs to the technical field of power supply equipment, and particularly relates to a pre-installed quick-connection anti-reverse power supply device.

Background

Along with the rapid development of city construction now, the power supply reliability requirement is higher and higher, consequently, the frequency of various operations such as the high voltage heavy current distribution network power transmission line access user or change the car at the case, the power generation car, electric automobile's charger charging connection increases greatly, when the cable for realizing distribution network power transmission line and user side links to each other, adopt the access mode to connect user's end into electric bus and distribution network power transmission line and twine the mode of binding and be connected at present most, this kind of mode often can lead to the wiring insecure, the easy emergence broken string, the leakproofness is relatively poor, waterproof performance is relatively poor, bring a large amount of work for the maintenance, salvage personnel. If the power failure wiring operation is carried out, the power consumption requirement of users on the power transmission line can be influenced, under the condition that the anti-falling power supply treatment is not carried out, the connecting cable is installed, disassembled or overhauled, the power consumption equipment can supply power to the power transmission line, and therefore the power transmission line is electrified arbitrarily, and great potential safety hazards are certainly existed; if the operation is carried out in a live-line mode, the live-line body can be contacted in the wiring operation process, electric shock danger is easily caused, wiring operation time is long, and connection work can be completed within more than 30 minutes generally. Therefore, it is desirable to provide a fast anti-falling power supply device to solve the problems of fast wiring and power supply.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pre-assembled quick-connection anti-reverse power supply device which can be quickly disassembled and assembled to complete power transmission or power taking switching, can carry out waterproof sealing on a conductor exposed at a cable position connected with electricity, improves the waterproof performance and avoids water from entering the exposed part of the cable position. In order to achieve the purpose, the utility model adopts the following technical effects:

according to an aspect of the utility model, a power supply unit is prevented down in prepackage type quick-connect is provided, prevent down power supply unit including dismantling the pre-installation clamping part of clamping on cable conductor and the pre-installation switching portion that is used for connecting the access bus-bar terminal, the outer wall of pre-installation clamping part and the outside cladding of pre-installation switching portion are fixed with insulating housing assembly, pre-installation clamping part and the mutual body coupling of pre-installation switching portion and cladding are fixed in insulating housing assembly.

The technical scheme is further preferable, the insulating housing assembly comprises a first insulating assembly used for coating the fixed pre-installation clamping part and a second insulating assembly used for coating the fixed pre-installation switching part, the pre-installation clamping part comprises a static clamping body and a movable clamping body which are mutually clamped, the static clamping body and the movable clamping body are fixedly coated in the first insulating assembly, a central cavity cylinder for coating and clamping a cable conductor is formed in the center of the clamped and clamped static clamping body and the movable clamping body, a fixing hole which is horizontally vertical to the central cavity cylinder is formed in the movable clamping body, a fastening bolt is connected to the fixing hole in a threaded mode, and the pre-installation switching part is arranged on the outer wall of the static clamping body and below the axis of the fixed hole and the central cavity cylinder, wherein the axis of the fixed hole and the axis of the central cavity cylinder are vertical.

The scheme is further preferred, the inner walls of the clamping ports on the two sides of the static clamping body are provided with first sliding clamping grooves along the axis direction of the central cavity barrel, and the outer wall of the movable clamping body is provided with clamping ribs sliding relative to the sliding clamping grooves.

In a further preferred embodiment of the present invention, the number of the fixing holes is 1 or 2 or more, and the fastening bolts are screwed into the fixing holes to press and contact the conductors of the cable, thereby stably fixing the static clamping member to the cable.

In a further preferred embodiment of the above scheme, the pre-installed adapter portion includes a first adapter portion and a second adapter portion that are integrally formed and connected, the first adapter portion and the second adapter portion are respectively fixed in the second insulating assembly in a covering manner, the upper end of the first adapter portion is vertically connected to the outer wall of the static clamping body, and the second adapter portion is connected to the side portion of the lower end of the first adapter portion and along the axis direction of the central cavity cylinder.

According to the scheme, the second insulating assembly comprises a front insulating groove and a rear insulating groove, the front side wall of the front insulating groove is provided with an insulating cylinder body used for covering and sleeving the second switching part, the rear insulating groove is arranged on the rear side of the first switching part, second sliding clamping grooves are formed in the left side wall and the right side wall of the first switching part, the inner wall of the front insulating groove is in sliding clamping connection with the second sliding clamping grooves, and the notch edge of the rear insulating groove is fastened with the notch edge of the front insulating groove.

In a further preferred embodiment of the foregoing solution, the second adapter portion is vertically fixed to a front side wall of a lower end of the first adapter portion, an external thread is provided at a free end of the second adapter portion, and a waterproof cover is connected to the external thread at the free end of the second adapter portion.

According to a further preferred embodiment of the above scheme, the first insulating assembly comprises a first insulating sub-shell and a second insulating sub-shell which are oppositely clamped, and the first insulating sub-shell is oppositely clamped with the second insulating sub-shell which is oppositely clamped and arranged along the outer wall of the movable clamping body after being arranged along the outer wall of the static clamping body in a wrapping mode.

According to the scheme, the first insulating waterproof shells are arranged at two ends of the first insulating waterproof shell, the second insulating waterproof shells are arranged at two ends of the second insulating waterproof shell, the clamping grooves are formed in opening edges of two sides of the first insulating waterproof shell, clamping joints corresponding to the clamping grooves are arranged on opening edges of two sides of the second insulating waterproof shell, and when the first insulating waterproof shell is clamped with the second insulating waterproof shell, the first insulating waterproof shell and the second insulating waterproof shell are clamped through the clamping joints and the clamping grooves.

In a further preferred embodiment of the above aspect, the first insulating waterproof case and the second insulating waterproof case are provided with annular waterproof extrusion strips.

In summary, due to the adoption of the technical scheme, the utility model has the following technical effects: the pre-assembled quick-connection anti-reverse-power-supply device can be quickly disassembled and assembled, so that power transmission or power taking switching is completed, the exposed conductor of the power-connected cable part can be sealed in a waterproof manner, the waterproof performance is improved, water is prevented from entering the exposed part of the cable part, and the safety guarantee and the practicability of quick power taking and power supply of a power transmission line are improved. When needing to overhaul, the pulling moves the holding body and makes it open the back and can overhaul, overhaul finish will move the holding body and resume the normal position can.

Drawings

FIG. 1 is a schematic diagram of the external structure of a pre-assembled quick-connection anti-reverse power supply device according to the present invention;

FIG. 2 is a schematic diagram of an internal structure of a pre-assembled quick-connection anti-backup power supply device according to the present invention;

FIG. 3 is a schematic diagram of an exploded structure of a pre-assembled quick-connect anti-backup power supply apparatus according to the present invention;

FIG. 4 is a schematic view of the connecting structure of the static clamping body and the dynamic clamping body of the present invention;

in the drawing, a preassembled clamping part 1, a preassembled switching part 2, an insulating shell component 3, a cable 10, a first insulating component 30, a second insulating component 31, a static clamping body 100, a dynamic clamping body 101, a central cavity cylinder 102, a fixing hole 103, a fastening bolt 104, a first sliding clamping groove 105, a clamping rib 106, a first switching part 200, a second switching part 201, a second sliding clamping groove 202, an external thread 203, a first insulating subcase 300, a second insulating subcase 301, a first insulating waterproof shell 302, a second insulating waterproof shell 303, a clamping groove 304, a clamping joint 305, an annular waterproof extrusion strip 306, a front insulating groove 310, a rear insulating groove 311, an insulating cylinder 312 and a waterproof cover 313.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1, fig. 2 and fig. 3, according to the present invention, the pre-assembled quick-connection anti-backup power supply device comprises a pre-assembled clamping portion 1 detachably clamped on a cable conductor and a pre-assembled switching portion 2 for connecting an access bus terminal, an insulating housing assembly 3 is fixed on the outer portion of the pre-assembled clamping portion 1 and the pre-assembled switching portion 2 in a coating manner, the pre-assembled clamping portion 1 and the pre-assembled switching portion 2 are integrally connected with each other and fixed in the insulating housing assembly 3 in a coating manner, the pre-assembled quick-connection anti-backup power supply device of the present invention can be fixed on a low-voltage bus cable 10 in a pre-assembled manner, and is matched with a high-current cable terminal for quick plug-and-pull connection, so as to meet the requirements of quick power supply and power supply; after a bus cable 10 is peeled, the pre-installed switching part 2 is sleeved on a conductor of a cable 10 of a peeling part, metal on the inner wall of the pre-installed switching part 2 is fixedly connected with the conductor of the cable 10, an insulator on the outer wall of the pre-installed switching part 2 seals and insulates the peeling part of the pre-installed switching part, the pre-installed switching part 2 gets electricity from the conductor of the cable 10 and then is switched to a user socket through the pre-installed switching part 2, so that an electricity utilization switching interface is provided for a user, the pre-installed switching part 2 is pre-installed on a cable wire and is used for the user to get electricity at any time, the pre-installed switching part 2 effectively seals the cable wire, the waterproof performance of the pre-installed switching part is improved, water entering of an electricity taking connecting part is avoided, safety guarantee is improved, and practicability is improved. When needing to overhaul, unpack pre-installation switching portion 2 and expose the position of skinning of cable 10, then overhaul can, overhaul the completion with pre-installation switching portion 2 can.

In the utility model, the insulating housing assembly 3 comprises a first insulating assembly 30 for coating and fixing the pre-installed clamping part 1 and a second insulating assembly 31 for coating and fixing the pre-installed adapter part 2, the pre-installed clamping part 1 comprises a static clamping body 100 and a movable clamping body 101 which are mutually clamped, the inner wall of the static clamping body 100 is a semi-cylinder or 3/4 cylinder, the inner wall of the movable clamping body 101 is a semi-cylinder or 1/4 cylinder, the static clamping body 100 and the movable clamping body 101 are coated and fixed in the first insulating assembly 30, a central cavity cylinder 102 for coating and clamping a cable conductor is formed in the center after the static clamping body 100 and the movable clamping body 101 are mutually clamped, fixing holes 103 which are horizontally vertical to the central cavity cylinder 102 are arranged on the movable clamping body 101, the number of the fixing holes 103 is 1 or more than 2, and fastening bolts 104 are connected with the fixing holes 103 in a female thread manner, a pre-installed adapter part 2 is arranged on the outer wall of the static clamping body 100 and is positioned below the fixing hole 103 and vertical to the axis of the central cylinder 102; static clamping body 100 and the both sides setting of moving clamping body 101 along cable conductor extending direction, the inner wall with static clamping body 100 contacts with the exposed position of skinning of cable conductor 10, because static clamping body 100 and move clamping body 101 and respectively independently pour into a mould in first insulation assembly 30 in proper order and carry out sealed insulation processing respectively, can not cut off the power supply to the transmission line when the wiring operation is operated and just can operate, and static clamping body 100 with move between the clamping body 101 mutually independent operation, and overlap its joint on cable 10, use fastening bolt 104 to twist in moving clamping body 101 and carry out in close contact with fixedly from the fixed orifices 103 this moment, then seal fastening bolt 104 outer tip, thereby fix whole insulating housing assembly 3 on cable 10.

The first insulation assembly 30 comprises a first insulation sub-shell 300 and a second insulation sub-shell 301 which are oppositely connected and clamped, the first insulation sub-shell 300 is oppositely connected and clamped with the second insulation sub-shell 301 which is coated along the outer wall of the movable clamping body 101 after being coated and arranged along the outer wall of the fixed clamping body 100, the fixed clamping body 100 is cast and fixed in the first insulation sub-shell 300, and the movable clamping body 101 is cast and fixed in the second insulation sub-shell 301; the method comprises the following steps that first insulating waterproof shells 302 are arranged at two ends of a first insulating subcase 300, second insulating waterproof shells 303 are arranged at two ends of a second insulating subcase 301, clamping grooves 304 are formed in opening edges of two sides of the first insulating waterproof shell 302, clamping joints 305 correspondingly clamped with the clamping grooves 304 are formed in opening edges of two sides of the second insulating waterproof shell 303, and when the first insulating subcase 300 is clamped with the second insulating subcase 301, the first insulating waterproof shell 302 and the second insulating waterproof shell 303 are clamped with the clamping grooves 304 through the clamping joints 305; the inner walls of clamping ports on two sides of the static clamping body 100 are provided with first sliding clamping grooves 105 along the axial direction of the central cavity barrel 102, the outer wall of the movable clamping body 101 is provided with clamping ribs 106 which slide relative to the sliding clamping grooves 105, the inner walls of the first insulating waterproof shell 302 and the second insulating waterproof shell 303 are symmetrically provided with annular waterproof extrusion strips 306, and the annular waterproof extrusion strips 306 which are mutually symmetrical inside are connected into an arc whole when the inner wall of the first insulating waterproof shell 302 and the second insulating waterproof shell 303 are mutually clamped; when the second insulating subcase 301 outside the movable clamping body 101 is clamped with the first insulating subcase 300 outside the static clamping body 100, the movable clamping body 101 is inserted into the first sliding clamping groove 105 on the inner wall of the static clamping body 100 along the axial direction of the central cavity barrel 102, after the front and rear ends of the movable clamping body 101 and the static clamping body 100 are aligned, the clamping grooves 304 on the two side opening edges of the first insulating waterproof case 302 are clamped with the clamping heads 305 on the two side opening edges of the second insulating waterproof case 303, at this time, when the first insulating subcase 300 and the second insulating subcase 301 are clamped to form the integrated first insulating assembly 30, the annular waterproof extrusion strips 306 on the inner walls of the first insulating waterproof case 302 and the second insulating waterproof case 303 form a complete annular waterproof extrusion strip on the circumference of the inner wall of the waterproof case, and the insulating appearance part of the extruded cable is extruded and sealed, the exposed conductor of the cable 10 is sealed in the first insulation assembly 30, so that rainwater is prevented from entering the exposed conductor of the cable 10 in the cavity of the first insulation assembly 30, a sealing insulation state is formed when the cable 10 is connected and powered, a device for preventing power supply from being turned off and powered in a preassembly mode is formed on a cable line, the preassembly clamping part 1 can be directly taken for operation with a shop, and the exposed conductor of the cable can be well sealed in an insulation mode.

In the utility model, the pre-installed adapter part 2 comprises a first adapter part 200 and a second adapter part 201 which are connected in an integrated manner, the first adapter part 200 and the second adapter part 201 are respectively coated and fixed in the second insulating assembly 31, the upper end of the first adapter part 200 is vertically connected to the outer wall of the static clamping body 100, the second adapter part 201 is connected to the side part of the lower end of the first adapter part 200 and along the axial direction of the central cylinder 102, and the static clamping body 100, the movable clamping body 101, the first adapter part 200 and the second adapter part 201 are made of aluminum alloy, copper or other metal conductors; the second insulating assembly 31 comprises a front insulating groove 310 and a rear insulating groove 311, an insulating cylinder 312 for covering and sleeving the second switching part 201 is arranged on the front side wall of the front insulating groove 310, the rear insulating groove 311 is arranged on the rear side of the first switching part 200, second sliding clamping grooves 202 are arranged on the left and right side walls of the first switching part 200, the inner wall of the front insulating groove 310 is slidably clamped in the second sliding clamping grooves 202, and the edge of a notch of the rear insulating groove 311 is fastened with the edge of the notch of the front insulating groove 310; the second adapter part 201 is vertically fixed on the front side wall of the lower end of the first adapter part 200, an external thread 202 is arranged on the free end part of the second adapter part 201, a waterproof cover 313 is connected on the external thread 203 of the free end part of the second adapter part 201, the first adapter part 200 is poured in a rear insulating groove 311, the second adapter part 201 is poured in a front insulating groove 310, the rear insulating groove 311 and the front insulating groove 310 are in sealed buckling connection with the outside of the pre-installed adapter part 2 to form a whole, and the rear insulating groove 311, the front insulating groove 310 and the first insulating sub-shell 300 can be connected into a whole to seal the metal of the pre-installed quick-connection part inside the second adapter part 201; the front insulation groove 310 and the insulation cylinder 312 are integrated to be sleeved on one side of a rear insulation groove 311 of the second adapter 201, so that the insulation cylinder 312 is sleeved on the outside of the second adapter 201, the front insulation groove 310 is sleeved on the outside of the first adapter 200, the inner wall of the front insulation groove 310 is slidably inserted into the second sliding slot 202, the inner wall of the front insulation groove 310 is clamped with the second sliding slot 202, at this time, the rear insulation groove 311 and the front insulation groove 310 are in buckling connection along the vertical direction, the upper end of the rear insulation groove 311 is in transverse (horizontal) direction and is respectively in clamping connection with the lower side edge of the first insulation sub-shell 300 and the lower side edge of the second insulation sub-shell 301, so that the insulation cylinder 312 and the second adapter 201 form an adapter of a horizontal part, thereby forming an integrated pre-assembled adapter 2, and then the waterproof cover 313 can be placed at the mouth of the insulation cylinder 312, the waterproof cover 313 seals the second adapter 201 in the insulating cylinder 312, and the second adapter 201 is a metal cylinder or a square cylinder and can be inserted into the socket interface to supply power to the user.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims (10)

1. The utility model provides a power supply unit is prevented falling in prepackage type quick-connect which characterized in that: the anti-falling power supply device comprises a pre-installation clamping part clamped on the cable conductor in a detachable mode and a pre-installation switching part used for being connected with an access bus terminal, an insulating shell assembly is fixedly coated on the outer wall of the pre-installation clamping part and the outer portion of the pre-installation switching part, and the pre-installation clamping part and the pre-installation switching part are connected with each other in an integrated mode and fixedly coated in the insulating shell assembly.

2. The pre-assembled quick-connection anti-reverse power supply device according to claim 1, characterized in that: the insulating housing assembly comprises a first insulating assembly used for coating a fixed preassembly clamping part and a second insulating assembly used for coating a fixed preassembly switching part, the preassembly clamping part comprises a static clamping body and a movable clamping body which are mutually clamped, the static clamping body and the movable clamping body are fixed in the first insulating assembly in a coating mode, the static clamping body and the movable clamping body are mutually clamped, a central cavity cylinder for coating a clamping cable conductor is formed at the center, a fixing hole which is horizontally perpendicular to the central cavity cylinder is formed in the movable clamping body, a fastening bolt is connected in the fixing hole in a threaded mode, and the preassembly switching part is arranged on the outer wall of the static clamping body and below the axis of the fixing hole and the central cavity cylinder, which is perpendicular to the axis.

3. The pre-assembled quick-connection anti-reverse power supply device according to claim 2, wherein: the clamping device comprises a static clamping body, a central cavity barrel, a clamping groove and a clamping rib, wherein the clamping groove is arranged on the inner wall of a clamping opening on two sides of the static clamping body, the clamping groove is arranged along the axis direction of the central cavity barrel, and the clamping rib slides relative to the clamping groove.

4. The pre-assembled quick-connection anti-reverse power supply device according to claim 2, wherein: the number of the fixing holes is 1 or more than 2.

5. The pre-assembled quick-connection anti-reverse power supply device according to claim 2, wherein: the pre-installation switching part comprises a first switching part and a second switching part which are connected in an integrated forming mode, the first switching part and the second switching part are respectively fixed in the second insulating assembly in a coating mode, the upper end of the first switching part is vertically connected to the outer wall of the static clamping body, and the second switching part is connected to the side portion of the lower end of the first switching part and along the axis direction of the central cavity cylinder.

6. The pre-assembled quick-connection anti-reverse power supply device according to claim 5, wherein: the second insulation assembly comprises a front insulation groove and a rear insulation groove, the front side wall of the front insulation groove is provided with an insulation cylinder body used for covering and sleeving the second switching part, the rear insulation groove is arranged on the rear side of the first switching part, second sliding clamping grooves are formed in the left side wall and the right side wall of the first switching part, the inner wall of the front insulation groove is in sliding clamping connection with the second sliding clamping grooves, and the notch edge of the rear insulation groove is in fastening connection with the notch edge of the front insulation groove.

7. The pre-assembled quick-connection anti-reverse power supply device according to claim 6, wherein: the second switching part is vertically fixed on the front side wall of the lower end of the first switching part, an external thread is arranged on the free end part of the second switching part, and a waterproof cover is connected to the external thread of the free end part of the second switching part.

8. The pre-assembled quick-connection anti-reverse power supply device according to claim 2, wherein: the first insulation assembly comprises a first insulation sub-shell and a second insulation sub-shell which are oppositely connected and clamped, and the first insulation sub-shell is oppositely connected and clamped with the second insulation sub-shell which is oppositely connected and clamped along the outer wall of the movable clamping body after being arranged along the outer wall of the static clamping body in a wrapping mode.

9. The pre-assembled quick-connection anti-reverse power supply device according to claim 8, wherein: be provided with first insulation waterproof case at the both ends of first insulation branch shell the second insulation divides the shell both ends to be provided with the insulation waterproof case of second, is provided with the joint groove at the both sides opening edge of first insulation waterproof case, be provided with at the both sides opening edge of the insulation waterproof case of second with the joint head of joint groove correspondence block, when first insulation divides shell and the insulation branch shell joint of second, make and carry out the joint through joint head and joint groove between first insulation waterproof case and the insulation waterproof case of second.

10. The pre-assembled quick-connection anti-reverse power supply device according to claim 9, wherein: and annular waterproof extrusion strips are arranged on the inner wall of the first insulating waterproof shell and the inner wall of the first insulating waterproof shell.

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