CN211655325U - Bus connecting seat - Google Patents

Abstract

The utility model relates to an electrical control equipment technical field discloses a generating line connecting seat, can avoid leading the phenomenon that breaks away from to appear between electrical pillar and the sleeve pipe. The utility model discloses a: the side wall of the conductive column is provided with at least one convex clamping ring; the insulating sleeve is of a hollow structure, wraps the periphery of the conductive column and is provided with an annular groove matched with the raised snap ring on the inner wall; wherein, the protruding snap ring is embedded in the annular groove. The utility model discloses utilize protruding snap ring and ring channel joint that cooperatees, can improve and lead the fixed effect between electrical pillar and the insulation support, prevent to lead the condition that breaks away from around taking place between electrical pillar and the insulation support.

Description

Bus connecting seat

Technical Field

The utility model relates to an electrical equipment technical field, especially a generating line connecting seat.

Background

The existing connection between the switch cabinet and the bus adopts the following modes: the one end of the bus connecting seat is directly fixed with the circuit breaker inside the cabinet body through fixing modes such as bolts or welding, and meanwhile, the connecting terminal or the shed bus sleeve is embedded on the side face of the cabinet body, namely, the other end of the connecting terminal or the shed bus sleeve is exposed outside the cabinet body, so that connection with the outside is achieved.

And present bus bar connecting seat is at the in-process of plug, appears leading the separation of electrical pillar and sleeve pipe easily to influence the normal application of equipment.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a bus connecting seat can avoid leading the phenomenon that the electrical pillar breaks away from to appear between electrical pillar and the sleeve pipe.

According to the utility model discloses a generating line connecting seat of first aspect embodiment, include: the side wall of the conductive column is provided with at least one convex clamping ring; the insulating sleeve is of a hollow structure, wraps the periphery of the conductive column and is provided with an annular groove matched with the raised snap ring on the inner wall; the convex snap ring is embedded in the corresponding annular groove.

According to the utility model discloses bus connecting seat has following beneficial effect at least: make protruding snap ring and ring channel cooperate the joint, can improve and lead the fixed effect between electrical pillar and the insulation support, prevent to lead the circumstances that breaks away from around taking place between electrical pillar and the insulation support.

According to some embodiments of the utility model, the insulating sleeve is the taper type, it stretches out to lead the one end of electrical pillar insulating sleeve's the pyramis outside, it is globular to lead the other end of electrical pillar. The butt joint end of the conductive column and the external connection is of a spherical structure, so that the corresponding connector or bus cable or switch cabinet and the conductive column can be fixed and electrically connected, the effect of quick connection is achieved, and one end of the conductive column can be directly inserted into the corresponding connecting socket.

According to some embodiments of the utility model, insulation support is wrapping up lead the middle part of electrical pillar, insulation support's inner wall with the outer wall of leading electrical pillar closely laminates. The conductive column and the insulating sleeve are tightly attached, and the phenomenon of electric breakdown caused by a gap between the conductive column and the insulating sleeve can be avoided.

According to some embodiments of the utility model, it with to lead the electrical pillar be equipped with the knurl on the outer wall that insulating sleeve laminated. The increase thread rolling can improve insulating sleeve and lead the frictional force between the electrical pillar, prevents to lead the circumstances that the rotation appears between electrical pillar and the insulating sleeve.

According to the utility model discloses a some embodiments still include a connecting plate, it is used for fixing to have seted up at least one on the connecting plate insulating sleeve's mounting hole, be provided with at least one card post on the edge of mounting hole, insulating sleeve's front end be provided with card post assorted draw-in groove. Adopt the connecting plate, make things convenient for operating personnel to carry out the action of plug to the generating line connecting seat.

According to the utility model discloses a some embodiments, the card post is provided with threely, three the card post is followed the peripheral equidistant distribution of mounting hole, the draw-in groove is provided with threely, three the draw-in groove is followed the peripheral equidistant distribution of insulating bush's front end. The clamping grooves and the clamping columns are respectively provided with three clamping grooves and three clamping columns, so that the stability of the insulating sleeve fixed on the connecting plate can be improved.

According to some embodiments of the present invention, the periphery of the front end of the insulating sleeve is provided with a convex portion, the convex portion moves towards the outside of the insulating sleeve extends, the clamping groove set in the front side of the convex portion.

According to the utility model discloses a few embodiments, the rear side of convex part along insulation support's periphery is provided with the annular seal groove, the embedded sealing washer that is equipped with of annular seal groove.

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

Drawings

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

fig. 1 is a sectional view of a bus bar connecting seat according to an embodiment of the present invention;

fig. 2 is a perspective view of a bus bar connecting seat according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of the conductive post shown in fig. 1;

FIG. 4 is a cross-sectional view of the insulating sleeve shown in FIG. 1;

FIG. 5 is a schematic view of the bus bar coupler socket and coupling plate assembly shown in FIG. 2;

FIG. 6 is an enlarged partial schematic view of A-A of FIG. 5;

FIG. 7 is a schematic view of a connection socket;

FIG. 8 is a schematic view of FIG. 7 showing a first spring assembly;

FIG. 9 is an enlarged partial view of B in FIG. 8;

fig. 10 is a cross-sectional view of the connection socket shown in fig. 7;

FIG. 11 is a schematic view of the connection socket being fixed to the switch cabinet;

FIG. 12 is a second schematic view of the switchgear enclosure of FIG. 11 in a sealed condition;

fig. 13 is a third schematic view of the switchgear in fig. 12 after the bus bar connection seat is fixed;

FIG. 14 is a front view of FIG. 13;

FIG. 15 is a cross-sectional view taken at C-C of FIG. 14;

fig. 16 is an enlarged partial view of D in fig. 15.

Reference numerals:

the bus bar connecting seat 100, the insulating sleeve 110, the clamping groove 111, the convex part 112, the sealing groove 113, the annular groove 114, the conductive column 120 and the convex clamping ring 121;

a connection socket 200, a fixing portion 210, an elastic clamp portion 220, an insertion groove 221, a first elastic member 222, a first flange 222a, a second elastic member 223, a second flange 223a, and a bolt hole 224;

the switch cabinet 300, the circuit breaker 310, the copper bar flexible connector 320, the sealing plate 330, the connecting plate 340, the clamping column 341 and the sealing ring 350.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention 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 intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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 the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

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.

Referring to fig. 1 to 4, in a preferred embodiment, a busbar connecting socket 100 includes a conductive post 120 having three raised snap rings 121 on a side wall thereof; the insulating sleeve 110 is a hollow structure, wraps the periphery of the conductive post 120, and is provided with an annular groove 114 on the inner wall thereof, which is matched with the raised snap ring 121; wherein the convex snap ring 121 is embedded in the corresponding annular groove 114.

It is conceivable that the number of the raised snap rings 121 may also be one, two or more than three, and the shape and size of each raised snap ring 121 may be different from each other, so long as the shape of the raised snap ring 121 can be matched with the corresponding annular groove 114, the raised snap rings 121 can be directly inserted into the corresponding annular groove 111.

According to the utility model discloses busbar connecting seat 100 has following beneficial effect at least: the protruding snap ring 121 is engaged with the annular groove 114, so that the fixing effect between the conductive post 120 and the insulating sleeve 110 can be improved, and the conductive post 120 and the insulating sleeve 110 are prevented from being separated from each other.

Referring to fig. 1, 2 and 4, in some embodiments of the present invention, the insulating sleeve 110 is in a cone shape, one end of the conductive pillar 120 extends out of the cone shape of the insulating sleeve 110, and the other end of the conductive pillar 120 is in a sphere shape. The abutting end of the conductive post 120 connected to the outside is a spherical structure, so that the corresponding connector or bus cable or switch cabinet 300 and the conductive post 120 can be fixed and electrically connected to achieve the effect of quick connection, and one end of the conductive post 120 can be directly inserted into the corresponding connection socket 200.

In some embodiments of the present invention, the insulating sleeve 110 covers the middle portion of the conductive post 120, and the inner wall of the insulating sleeve 110 and the outer wall of the conductive post 120 are tightly attached. The conductive post 120 and the insulating sleeve 110 are tightly attached to each other, so that the phenomenon of electrical breakdown caused by a gap between the conductive post 120 and the insulating sleeve 110 can be avoided.

In some embodiments of the present invention, the outer wall of the conductive post 120 and the insulating sleeve 110 is provided with knurls. The increased knurling can improve the friction between the insulating sleeve 110 and the conductive post 120, and prevent the conductive post 120 and the insulating sleeve 110 from rotating.

Referring to fig. 5 and 6, in some embodiments of the present invention, the present invention further includes a connecting plate 340, at least one mounting hole for fixing the insulating sleeve 110 is opened on the connecting plate 340, at least one clamping column 341 is disposed on an edge of the mounting hole, and a clamping groove 111 matched with the clamping column 341 is disposed at a front end of the insulating sleeve 110. By adopting the connecting plate 340, an operator can conveniently insert and pull out the bus connecting seat 100.

In some embodiments of the present invention, the clamping posts 341 are three, the three clamping posts 341 are equally spaced along the periphery of the mounting hole, the clamping grooves 111 are three, and the three clamping grooves 111 are equally spaced along the periphery of the front end of the insulating sleeve 110. The three clamping grooves 111 and the three clamping columns 341 are respectively arranged, so that the stability of the insulating sleeve 110 fixed on the connecting plate 340 can be improved.

It is conceivable that the number of the card slots 111 and the number of the card posts 341 may be two or more than three, and the number may be selected to achieve effective fixation according to actual needs.

In some embodiments of the present invention, the periphery of the front end of the insulating sleeve 110 is provided with a convex portion 112, the convex portion 112 extends toward the outer side of the insulating sleeve 110, and the engaging groove 111 is provided at the front side of the convex portion 112.

In some embodiments of the present invention, the rear side of the convex portion 112 is provided with an annular sealing groove 113 along the periphery of the insulating sleeve 110, and a sealing ring 350 is embedded in the annular sealing groove 113.

The bus bar connecting socket 100 according to an embodiment of the present invention is described in detail with reference to fig. 1 to 16 as a specific embodiment. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the invention.

Referring to fig. 1 to 4, a busbar joining socket 100 includes: the conductive post 120 is provided with three protruding clamping rings 121 on the side wall; the insulating sleeve 110 is a hollow structure, wraps the periphery of the conductive post 120, and is provided with an annular groove 114 on the inner wall thereof, which is matched with the raised snap ring 121; wherein the convex snap ring 121 is embedded in the corresponding annular groove 114. In this example, the shape and size of each annular groove 114 are different from each other, the shape of the corresponding protruding snap ring 121 matches with the shape of the corresponding annular groove 114, and the protruding snap ring 121 is directly inserted into the corresponding annular groove 111.

The protruding snap ring 121 is engaged with the annular groove 114, so that the fixing effect between the conductive post 120 and the insulating sleeve 110 can be improved, and the conductive post 120 and the insulating sleeve 110 are prevented from being separated from each other.

Referring to fig. 1, 2 and 4, in the present embodiment, the insulating sleeve 110 is tapered, one end of the conductive pillar 120 extends out of the tapered portion of the insulating sleeve 110, and the other end of the conductive pillar 120 is spherical. The abutting end of the conductive post 120 connected to the outside is a spherical structure, so that the corresponding connector or bus cable or switch cabinet 300 and the conductive post 120 can be fixed and electrically connected to achieve the effect of quick connection, and one end of the conductive post 120 can be directly inserted into the corresponding connection socket 200.

In this embodiment, the insulating sleeve 110 wraps the middle portion of the conductive post 120, and the inner wall of the insulating sleeve 110 is tightly attached to the outer wall of the conductive post 120. The conductive post 120 and the insulating sleeve 110 are tightly attached to each other, so that the phenomenon of electrical breakdown caused by a gap between the conductive post 120 and the insulating sleeve 110 can be avoided.

In this embodiment, the outer wall of the conductive post 120 and the insulating sleeve 110 is provided with a knurl. The increased knurling can improve the friction between the insulating sleeve 110 and the conductive post 120, and prevent the conductive post 120 and the insulating sleeve 110 from rotating.

Referring to fig. 5 and 6, in this embodiment, the connector board 340 further includes three mounting holes for fixing the insulating sleeve 110, three locking posts 341 are disposed on edges of the mounting holes, the front end of the insulating sleeve 110 is provided with locking slots 111 matching with the locking posts 341, the three locking posts 341 are equally spaced along the periphery of the mounting holes, and the three locking slots 111 are equally spaced along the periphery of the front end of the insulating sleeve 110. By adopting the connecting plate 340, the operation of plugging and unplugging the three bus connecting seats 100 at the same time is facilitated for the operator.

In the present embodiment, a protrusion 112 is provided on the periphery of the front end of the insulating sleeve 110, the protrusion 112 extends toward the outside of the insulating sleeve 110, and the engaging groove 111 is provided on the front side of the protrusion 112.

In the present embodiment, an annular seal groove 113 is provided along the periphery of the insulating sleeve 110 on the rear side of the convex portion 112, and a seal ring 350 is fitted into the annular seal groove 113.

The application effect of the present invention will be described in a specific application embodiment, the conductive column 120 is disposed at the outer end portion of the insulating sleeve 110 and can be inserted into the connection socket 200, and the connection socket 200 is directly fixed in the switch cabinet 300, and the connection socket 200 is electrically connected to the corresponding electrical element.

The connection socket 200 is made of a metal material, the connection socket 200 is provided with a fixing portion 210 fixedly connected with an electrical element and an elastic clamping portion 220 for fixing one end of the conductive post 120, the elastic clamping portion 220 includes a slot 221 formed in the connection socket 200 and a pair of elastic components formed in the side walls of the slot 221, and when one end of the conductive post 120 is inserted into the slot 221, the elastic components extrude and fix the outer wall of the conductive post 120. With the elastic assembly, the effect of quick mounting and dismounting of the conductive post 120 can be achieved.

Wherein, the elastic component includes a plurality of elastic pieces sequentially arranged on the side wall of the slot 221: a first elastic member 222 having a ring shape and provided with a plurality of first flanges 222a inclined in the circumferential direction; the second elastic member 223, which has a ring shape, is provided with a plurality of second flanges 223a inclined in the circumferential direction and in the opposite direction to the inclination direction of the first flanges 222 a. When the conductive post 120 is inserted into the insertion slot 221, the first flange 222a and the second flange 223a are respectively pressed, and then the first flange 222a and the second flange 223a simultaneously apply force to the periphery of the conductive post 120 in a ring-shaped manner at multiple points, so that the effect of fixing the conductive post 120 and keeping the conductive post 120 stable is achieved, and meanwhile, because the inclination direction of the first flange 222a is opposite to the inclination direction of the second flange 223a, the first flange 222a and the second flange 223a respectively apply force with the same force but opposite directions to the periphery of the conductive post 120, so that the center line of the conductive post 120 and the center line of the insertion slot 221 are in the same straight line, positioning and installation are achieved, and the safety requirement of the switch cabinet 300 is met. Specifically, the sidewall of the slot 221 is opened with two mounting grooves for fixedly mounting the first elastic member 222 and the second elastic member 223, respectively.

Referring to fig. 10, a screw hole is opened in the fixing portion 210, and the fixing portion 210 is fixedly connected to the electrical component by screw connection. The female screw hole is used to fixedly connect the socket 200 with an electrical component, so that the elastic clip 220 can be stably inserted into and pulled out from the external connection terminal, and since the socket 200 is made of a metal material, the socket 200 and the electrical component are also electrically connected.

Referring to fig. 10, the connection socket 200 further includes bolt holes 224 formed at the ends of the slots 221, and the ends of the slots 221 are fixedly connected to the electrical components by bolts, so that the connection socket 200 can be fixed from two points, i.e., the upper point and the lower point, of the connection socket 200, and the fixing effect of the connection socket 200 can be further improved, thereby enabling the connection socket 200 to be stably held on the electrical components when the bus bar connection socket 100 is inserted and removed.

Fig. 11 to 16 are schematic views of states of the electrical components specifically connected in this embodiment. The switchgear 300 shown in the figures shows only a partial schematic view of the interior of the switchgear 300, and the construction and operation of the switchgear 300 are well known to those skilled in the art and will not be described in detail herein. The present description will be made only with respect to the case where the bus bar connection device is applied to the bus bar side connection of the circuit breaker 310 in the switchgear 300. It is contemplated that this application is only one application of the busway connector 100, and the busway connector 100 may be applied to a variety of other electrical components.

Referring to fig. 11 and 15, the connection socket 200 is fixed at a connection position of a bus side of the circuit breaker 310 by the fixing portion 210 and a screw, and for connection convenience, the bus side of the circuit breaker 310 is fixed with the copper bar flexible connector 320, specifically, one end of the copper bar flexible connector 320 is fixedly connected with the bus side of the circuit breaker 310, and the other end of the copper bar flexible connector 320 extends to the outside of the circuit breaker 310, so as to be connected with the fixing base of the connection socket 200 by the screw in a threaded manner.

Referring to fig. 12 and 15, in the actual installation process, the circuit breaker 310 chamber formed by the circuit breaker 310, the isolation mechanism and other switching elements in the switch cabinet 300 needs to be sealed, so that the circuit breaker 310 chamber needs to be sealed by the sealing plate 330, and in order to facilitate the installation and the removal of the busbar connection seat 100, the sealing plate 330 is provided with a corresponding through hole so as to facilitate the installation of the busbar connection seat 100.

Referring to fig. 13, 15 and 16, the busbar connecting seat 100 is installed on the connecting plate 340, specifically, since the front side edge of the insulating sleeve 110 is provided with the clamping groove 111, the connecting plate 340 is provided with the mounting hole for fixing the insulating sleeve 110, the edge of the mounting hole is provided with the clamping post 341 matched with the clamping groove 111, the front end of the insulating sleeve 110 can be fixed on the connecting plate 340 by clamping the clamping groove 111 and the clamping post 341, the connecting plate 340 is simultaneously provided with three mounting holes, each mounting hole is provided with one busbar connecting seat 100, so that three busbar connecting seats 100 can be inserted or pulled out simultaneously, after the installation is completed, the connecting plate 340 and the sealing plate 330 are fixedly connected and achieve a sealing effect isolated from the outside by bolts and corresponding sealing kits, specifically, the insulating sleeve 110 is in a cone-shaped structure, so the diameter length of the front end of the insulating sleeve 110 is longer than the diameter length of the rear end, in the embodiment of the present invention, since the front end of the insulating sleeve 110 is provided with the convex portion 112 extending outward along the periphery, and the rear side of the convex portion 112 is provided with the sealing groove 113 for placing the sealing ring 350, wherein the diameter of the through hole is smaller than the inside diameter of the sealing ring 350, when the busbar connecting seat 100 is installed in the connecting socket 200, the back surfaces of the sealing ring 350 and the convex portion 112 can be tightly connected with the front side surface of the sealing plate 330, thereby realizing the sealing effect.

By adopting the busbar connecting seat 100 in the embodiment, at least the following beneficial effects are achieved, in the plugging and unplugging process of the busbar connecting seat 100, the situation that the conductive column 120 and the insulating sleeve 110 are separated or rotated can be effectively prevented by the matching of the convex snap ring 121 and the annular groove 114 and the effect of the knurls.

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

Claims (8)

1. A busbar connection receptacle, comprising:

the side wall of the conductive column is provided with at least one convex clamping ring;

the insulating sleeve is of a hollow structure, wraps the periphery of the conductive column and is provided with an annular groove matched with the raised snap ring on the inner wall;

the convex snap ring is embedded in the corresponding annular groove.

2. The busbar joining receptacle of claim 1, wherein: the insulating sleeve is in a conical shape, one end of the conductive column extends out of the conical part of the insulating sleeve, and the other end of the conductive column is in a spherical shape.

3. The busbar joining receptacle of claim 1, wherein: the insulating sleeve wraps the middle part of the conductive column, and the inner wall of the insulating sleeve is tightly attached to the outer wall of the conductive column.

4. The busbar joining receptacle of claim 1, wherein: the outer wall of the conductive column, which is attached to the insulating sleeve, is provided with knurls.

5. The busbar joining receptacle of claim 1, wherein: the insulation support is characterized by further comprising a connecting plate, wherein at least one mounting hole used for fixing the insulation sleeve is formed in the connecting plate, at least one clamping column is arranged on the edge of the mounting hole, and a clamping groove matched with the clamping column is formed in the front end of the insulation sleeve.

6. The busbar joining receptacle of claim 5, wherein: the clamping column is provided with three clamping columns, three clamping columns are arranged along the periphery of the mounting hole in an equal interval distribution mode, the clamping grooves are provided with three clamping grooves, and three clamping grooves are arranged along the periphery of the front end of the insulating sleeve in an equal interval distribution mode.

7. The busbar joining receptacle of claim 5, wherein: the periphery of the front end of the insulating sleeve is provided with a convex part, the convex part extends towards the outer side of the insulating sleeve, and the clamping groove is formed in the front side of the convex part.

8. The busbar joining receptacle of claim 7, wherein: the rear side of the convex part is provided with an annular sealing groove along the periphery of the insulating sleeve, and a sealing ring is embedded in the annular sealing groove.

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