CN218603143U - Bus expansion device - Google Patents

Abstract

The utility model discloses a generating line extension fixture belongs to and aerifys cabinet extension equipment technical field, and this generating line extension fixture includes: the butt joint part is used for butt joint with the bus connector and comprises a sleeve, the shape of the inner wall of the sleeve is matched with that of the outer wall of the bus connector, and a first copper core is arranged in the sleeve and is used for butt joint with the bus connector; the extension portion is arranged at one end, far away from the bus connector, of the butt joint portion and comprises a line sleeve, a second copper core is arranged in the line sleeve and connected with the first copper core, a connecting hole is formed in the second copper core, and the connecting hole is used for being in butt joint with a cable head. The bus expansion device is simple in structure, short in production period and low in manufacturing cost, can be used for temporary field expansion and long-term expansion, is simple to install and operate, can effectively meet the requirement of user expansion, and reduces the production cost.

Description

Bus expansion device

Technical Field

The utility model relates to an aerify cabinet extension equipment technical field, in particular to generating line extension device.

Background

Many projects are in the consideration of aspects such as project dilatation, maintenance, all require the inflatable cabinet to produce according to the unit formula, and to this condition, inflatable cabinet producer all can do the side and expand the sleeve pipe in the unit cabinet left and right sides, adopts side to expand the sleeve pipe cooperation bus connector and connect between 2 unit cabinets to reach the purpose of polycell cabinet combining. Based on the prior art, a current situation exists, a customer needs to expand a loop based on cost consideration, the loop does not need a switch and can be generally used as a cable lifting cabinet, a production factory can design a looped network cabinet without the switch in the face of the design, the side face of the looped network cabinet also adopts a side expansion sleeve and a bus connector installation mode, and the design of the cabinet in the mode needs a design scheme the same as that of a common inflatable cabinet and is higher in cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an at least solve one of the technical problem who exists among the prior art, for this reason, the utility model provides a generating line extension device can reduce the cost of extension return circuit.

According to the utility model discloses generating line extension device, include: the butt joint part is used for butt joint with a bus connector and comprises a sleeve, the shape of the inner wall of the sleeve is matched with that of the outer wall of the bus connector, and a first copper core is arranged in the sleeve and is used for butt joint with the bus connector; the extension portion is arranged at one end, far away from the bus connector, of the butt joint portion and comprises a line sleeve, a second copper core is arranged in the line sleeve and connected with the first copper core, a connecting hole is formed in the second copper core, and the connecting hole is used for being in butt joint with a cable head.

According to the utility model discloses generating line extension device has following beneficial effect at least: the bus expansion device is simple in structure, short in production period and low in manufacturing cost, can be used for temporary field expansion and long-term expansion, is simple to install and operate, can effectively meet the requirement of user expansion, and reduces the production cost.

According to the utility model discloses a some embodiments set up connecting portion on the telescopic terminal surface, and connecting portion are used for fixing butt joint portion on the looped netowrk cabinet.

According to the utility model discloses a some embodiments, connecting portion include a plurality of fixed inserts, and a plurality of fixed inserts are all poured in the sleeve to along telescopic circumference equipartition.

According to some embodiments of the utility model, fixed inserts are threaded hole inserts.

According to the utility model discloses a some embodiments have seted up the seal groove on the telescopic terminal surface, install seal ring in the seal groove.

According to the utility model discloses a some embodiments are provided with the mounting panel between connecting portion and the looped netowrk cabinet, and butt joint portion passes through connecting portion to be fixed on the mounting panel, and the mounting panel passes through the screw fixation on the looped netowrk cabinet.

According to the utility model discloses a some embodiments, the one end that first copper core is close to the bus connector is provided with the guide part, and the guide part is used for supplementary first copper core and bus connector butt joint.

According to some embodiments of the utility model, the connecting hole is the screw hole.

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 present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a schematic structural diagram of a bus bar expanding device according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a cross-sectional view of FIG. 1;

fig. 4 is an exploded schematic view of the bus bar expanding device and the ring main unit shown in fig. 1;

fig. 5 is a schematic structural view of the bus bar expanding device shown in fig. 1 assembled to a ring main unit.

Reference numerals:

a docking portion 100; a sleeve 110; a fixed insert 111; a first copper core 120; a guide part 121;

an expansion part 200; a wire sleeve 210; a second copper core 220; a connection hole 221;

a mounting plate 300;

a bus connector 1; and a ring main unit 2.

Detailed Description

This section will describe in detail the embodiments of the present invention, the preferred embodiments of which are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can visually and vividly understand each technical feature and the whole technical solution of the present invention, but it cannot be understood as a limitation to the scope of 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 means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

A bus bar expanding device according to an embodiment of the present invention is described with reference to fig. 1 to 5.

As shown in fig. 1 to 5, the bus bar expanding device according to the embodiment of the present invention includes: the butt joint part 100, the butt joint part 100 is used for butt joint with the bus connector 1, the butt joint part 100 includes a sleeve 110, the shape of the inner wall of the sleeve 110 is matched with the shape of the outer wall of the bus connector 1, a first copper core 120 is arranged in the sleeve 110, and the first copper core 120 is used for butt joint with the bus connector 1; the expansion portion 200 is arranged at one end of the butt joint portion 100 away from the bus connector 1, the expansion portion 200 includes a wire sleeve 210, a second copper core 220 is arranged in the wire sleeve 210, the second copper core 220 is connected with the first copper core 120, a connecting hole 221 is formed in the second copper core 220, and the connecting hole 221 is used for being in butt joint with a cable head.

As shown in fig. 1 to 3, the diameter of the sleeve 110 gradually decreases from back to front along the circumferential direction of the sleeve 110, the shape of the inner wall of the sleeve 110 matches the shape of the outer wall of the bus connector 1, and when the sleeve 110 is sleeved on the outer wall of the bus connector 1, the first copper core 120 is inserted into the bus connector 1, and the butt joint of the butt joint portion 100 and the bus connector 1 is completed. The wire sleeve 210 is disposed at the front end of the sleeve 110, the wire sleeve 210 is in a hollow cylindrical shape, the wire sleeve 210 and the sleeve 110 are coaxially disposed, a second copper core 220 is disposed in the wire sleeve 210, the second copper core 220 and the first copper core 120 are coaxially disposed, and the second copper core 220 is connected to the first copper core 120. The front end of the second copper core 220 is provided with a connecting hole 221 for butting with a cable joint, and the connecting hole 221 and the second copper core 220 are coaxially arranged. The connection hole 221 is matched with the cable head to complete the docking of the extension portion 200 with the cable head. The bus expansion device is simple in structure, short in production period and low in manufacturing cost, can be used for temporary field expansion and long-term expansion, is simple to install and operate, can effectively meet the requirement of user expansion, and reduces the production cost.

In the above technical solution, one end of the first copper core 120 close to the bus bar connector 1 is provided with a guide portion 121, and the guide portion 121 is used for assisting the first copper core 120 in butting with the bus bar connector 1. As shown in fig. 2 and 3, the guide portion 121 is substantially in the shape of a circular truncated cone, the diameter of the guide portion 121 gradually decreases from front to back along the axial direction of the first copper core 120, and in the process of installing the bus bar expanding device, the guide portion 121 contacts with the bus bar connector 1 first, and plays a role in guiding the process of inserting the first copper core 120 into the bus bar connector 1, so that the installation of the bus bar expanding device is more convenient. It is conceivable that a similar guiding structure may be disposed on the second copper core 220, so as to facilitate the butt joint of the second copper core 220 and the cable head, and the beneficial effects similar to those of the above technical solutions are achieved, and are not described again.

In some embodiments of the present invention, a connecting portion is disposed on the end surface of the sleeve 110, and the connecting portion is used to fix the butt-joint portion 100 on the ring main unit 2. As shown in fig. 2, the connecting portion includes a plurality of fixing inserts 111, and the plurality of fixing inserts 111 are poured into the sleeve 110 and are uniformly distributed along the circumferential direction of the sleeve 110. The fixing insert 111 is a threaded hole insert. Six threaded hole inserts are uniformly distributed on the rear end face of the sleeve 110 along the circumferential direction of the sleeve 110, and the rigidity of the threaded hole inserts is higher than that of the sleeve 110, so that the threaded hole inserts can be used as connecting parts to ensure the installation reliability of the bus extension device, and the bus extension device is prevented from falling off in the using process to cause safety accidents.

The utility model discloses an in some embodiments, be provided with mounting panel 300 between connecting portion and the looped netowrk cabinet 2, butt joint portion 100 passes through connecting portion to be fixed on mounting panel 300, and mounting panel 300 passes through the screw fixation on looped netowrk cabinet 2. As shown in fig. 4 and 5, a mounting plate 300 is disposed at the rear end of the docking portion 100, a plurality of threaded holes are disposed on the mounting plate 300, screws are inserted into the threaded holes and the threaded hole inserts, the docking portion 100 and the mounting plate 300 are fixed together, through holes are disposed on the mounting plate 300, when the mounting plate 300 is mounted on the ring main unit 2, the first copper core 120 passes through the through holes to be docked with the bus connector 1, and the mounting plate 300 is connected with the ring main unit 2 through the screws. The mounting plate 300 plays a role in fixing, if the butt joint part 100 is directly connected with the ring main unit 2, screws need to be screwed from the inner side of the ring main unit 2 during installation, the installation difficulty is high, and the installation difficulty of the bus extension device can be effectively reduced by the arrangement of the mounting plate 300.

In the above technical solution, a sealing groove (not shown) is formed on an end surface of the sleeve 110, and a sealing gasket (not shown) is installed in the sealing groove. The sealing groove and the sealing washer can ensure the tightness of the inner side of the sleeve 110.

In some embodiments of the present invention, the connection hole 221 is a threaded hole. The screw hole is convenient for cooperate with the cable head, makes extension portion 200 more convenient with being connected of cable head, has further improved the convenience of this generating line extension device installation.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (8)

1. A bus bar extension apparatus, comprising:

the butt joint part is used for butt joint with a bus connector and comprises a sleeve, the shape of the inner wall of the sleeve is matched with that of the outer wall of the bus connector, a first copper core is arranged in the sleeve, and the first copper core is used for butt joint with the bus connector;

the expansion portion is arranged at one end, far away from the bus connector, of the butt joint portion and comprises a line sleeve, a second copper core is arranged in the line sleeve and connected with the first copper core, a connecting hole is formed in the second copper core and used for being in butt joint with a cable head.

2. The bus bar expansion device according to claim 1, wherein a connecting portion is disposed on an end surface of the sleeve, and the connecting portion is used for fixing the abutting portion on a ring main unit.

3. The bus bar expansion device of claim 2, wherein the connecting portion comprises a plurality of fixing inserts, and the plurality of fixing inserts are cast in the sleeve and are uniformly distributed along the circumference of the sleeve.

4. The bus bar extension device of claim 3, wherein the securing insert is a threaded hole insert.

5. The bus bar extension fixture of claim 2, wherein the sleeve has a sealing groove formed in an end surface thereof, and a sealing gasket is disposed in the sealing groove.

6. The bus bar expanding device according to claim 2, wherein a mounting plate is disposed between the connecting portion and the ring main unit, the abutting portion is fixed to the mounting plate through the connecting portion, and the mounting plate is fixed to the ring main unit through screws.

7. The bus bar extender of claim 1, wherein an end of the first copper core proximate the bus bar connector is provided with a guide for assisting in mating the first copper core with the bus bar connector.

8. The bus bar extension device of claim 1, wherein the attachment aperture is a threaded aperture.

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