CN211579520U

CN211579520U - Shell connecting piece

Info

Publication number: CN211579520U
Application number: CN201922454877.9U
Authority: CN
Inventors: 乔兴波; 陈孔亮; 龚琨
Original assignee: Shenzhen Sinway South Technology Co ltd
Current assignee: Shenzhen Sinway South Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-25
Anticipated expiration: 2029-12-31

Abstract

The utility model provides a shell connecting piece, including the connecting piece body, be equipped with a plurality of running through on the connecting piece body the copper bar fixed slot of connecting piece body, just the copper bar fixed slot be used for with copper bar looks adaptation. The utility model discloses a shell connecting piece is used for the fixed connection of two bus ducts, and the setting of shell connecting piece has further consolidated the steadiness of can dismantle connection structure's shell, and is equipped with the copper bar fixed slot that a plurality of running through the connecting piece bodies on the connecting piece body of shell connecting piece for peg graft and add spacingly and fixed to the copper bar with the copper bar, thereby guaranteed the stability of being connected between copper bar and shell, make the structure of whole bus duct more reliable, improved the assembly efficiency of bus duct.

Description

Shell connecting piece

Technical Field

The utility model relates to an electric power transmission equipment technical field particularly, relates to a shell connecting piece.

Background

The bus duct comprises a shell, a shell connecting piece and the like, wherein the shell comprises a front cover and a rear cover, and the shell connecting piece is used for further fixing the front cover and the rear cover. At present, a sheet metal bending piece is usually adopted as a shell connecting piece to fixedly connect shells of two bus ducts, but the sheet metal bending piece is thin in structure, easy to deform in the assembling process and cannot be tightly attached to the shells of the bus ducts, so that the assembling efficiency of the bus ducts is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be: how to improve the assembly efficiency of bus duct.

In order to solve the problem, the utility model provides a shell connecting piece, including the connecting piece body, be equipped with a plurality of running through on the connecting piece body the copper bar fixed slot of connecting piece body, just the copper bar fixed slot be used for with copper bar looks adaptation.

Therefore, the shell connecting piece is used for fixedly connecting the two bus ducts, particularly, the shell connecting piece is used for fixedly connecting the two bus ducts through shells fixedly connected with the two bus ducts, and the arrangement of the shell connecting piece further strengthens the stability of the shells of the detachable connecting structure, so that the corresponding component parts of the shells are further ensured to be stably connected on the basis of the original connection; be equipped with the copper bar fixed slot of a plurality of through connection spare bodies on the connecting piece body of shell connecting piece for peg graft with the copper bar and spacing and fixed the copper bar, thereby guaranteed the stability of being connected between copper bar and shell, make the structure of whole bus duct more reliable, improved the assembly efficiency of bus duct.

Optionally, the housing connecting piece further comprises an adjusting sheet arranged in the copper bar fixing groove and connected with a groove wall of the copper bar fixing groove, and the adjusting sheet is used for adjusting the length of the copper bar fixing groove in the up-down direction.

Optionally, the adjustment sheet is of a thin plate structure, a connecting strip capable of being knocked off is arranged between the adjustment sheet and the groove wall of the copper bar fixing groove, and the adjustment sheet is connected with the groove wall of the copper bar fixing groove through the connecting strip.

Optionally, a bus fixing groove is further formed in the connecting piece body, the bus fixing groove is of a closed annular groove structure, and the annular groove structure is used for being matched with a shell of the bus duct.

Optionally, the bus bar fixing groove has an outer ring groove wall and an inner ring groove wall, the copper bar fixing groove is located in an area surrounded by the inner ring groove walls, and the outer ring groove wall is provided with a plurality of second fixing holes for connecting with the housing.

Optionally, a partition plate is arranged in the bus fixing groove, the shape of the partition plate is matched with the shape of the bus fixing groove, the partition plate divides the bus fixing groove into a first fixing groove and a second fixing groove, and the first fixing groove and the second fixing groove are respectively used for being connected with the shell.

Optionally, the connecting piece body is further provided with a plurality of first fixing holes, the first fixing holes are located in the bus fixing grooves, and the connecting piece body and the shell are detachably connected through fasteners at the first fixing holes.

Optionally, a plurality of reinforcing ribs are arranged in the inner ring groove wall of the bus fixing groove.

Optionally, a distance is provided between one end of the reinforcing rib facing the outer ring groove wall and the outer ring groove wall.

Optionally, a plurality of the reinforcing ribs are evenly distributed around the inner ring groove wall.

Drawings

Fig. 1 is a schematic structural view of the embodiment of the present invention when the housing connecting member is separated from the bus duct;

fig. 2 is a schematic structural view of a housing connecting member according to an embodiment of the present invention;

fig. 3 is a schematic structural view of another view of the housing connector according to the embodiment of the present invention;

3 fig. 3 4 3 is 3 a 3 schematic 3 sectional 3 view 3 at 3 a 3- 3 a 3 in 3 fig. 3 3 3. 3

Description of reference numerals:

1-a housing; 2-copper bar; 4-shell connecting piece, 41-adjusting sheet, 42-connecting piece body, 421-copper bar fixing groove, 422-bus fixing groove, 4221-first fixing groove, 4222-second fixing groove, 423-clapboard, 424-first fixing hole, 425-outer ring groove wall, 426-inner ring groove wall, 427-second fixing hole and 428-reinforcing rib.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be noted that a coordinate system XYZ is provided herein, wherein the forward direction of the X axis represents the right direction, the reverse direction of the X axis represents the left direction, the forward direction of the Y axis represents the front direction, the reverse direction of the Y axis represents the rear direction, the forward direction of the Z axis represents the upper direction, and the reverse direction of the Z axis represents the lower direction. And the terms "upper", "lower", "left", "right", "high", "low", etc. indicate directions or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and for simplicity of description, and do not indicate or imply that the device referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

With reference to fig. 1, an embodiment of the present invention provides a shell connector 4, including connector body 42, connector body 42 is provided with a plurality of copper bar fixing slots 421 that run through connector body 42, and copper bar fixing slots 421 are used for adapting with copper bar 2.

The housing connecting member 4 can be used for further fixing a front cover plate and a rear cover plate of the housing 1 of the bus duct, and can also be used for connecting two bus ducts, and it is worth to be noted that the dimension of the housing 1 in the left-right direction (i.e. the X-axis direction) in fig. 1 is larger than the dimension of the housing 1 in the front-back direction (i.e. the Y-axis direction) and the up-down direction (i.e. the Z-axis direction) in fig. 1, so the dimension of the housing 1 in the left-right direction in fig. 1 is referred to as the length of the housing 1, and the left-right direction (i.e.; the shell connecting piece 4 is connected with the end part of the shell 1, the stability of the shell 1 of the detachable connection structure is reinforced, corresponding component parts (such as a front cover plate and a rear cover plate) of the shell 1 are ensured to be further connected stably on the basis of the original connection, or the shell connecting piece 4 is connected with the end parts of the two shells 1, namely the shell connecting piece 4 is positioned between the end parts of the two shells 1 and used for realizing the connection of the two shells 1 and the reinforcement of the connection between the corresponding component parts of the shell 1, and the shell connecting piece 4 is connected with the shells 1 of the two bus ducts to realize the connection between the two bus ducts; the shell connecting piece 4 comprises a connecting piece body 42, wherein the connecting piece body 42 is provided with a plurality of copper bar fixing grooves 421 penetrating through the connecting piece body 42 and used for fixing the copper bars 2, and specifically, the copper bar fixing grooves 421 are inserted into the bus copper plates (the copper bars 2 are composed of a plurality of bus copper plates) to fix the bus copper plates; copper bar fixed slot 421 runs through shell connecting piece 4 along the length direction of shell 1 of bus duct, the shape of copper bar fixed slot 421 and the shape looks adaptation of generating line copper, so that copper bar fixed slot 421 with the copper of generating line grafting cooperation and to the copper of generating line in addition spacing and fixed, thereby guaranteed the copper of generating line and not producing the stability of being connected between skew phenomenon and copper bar 2 and shell 1 with the junction of copper bar fixed slot 421, make the structure of whole bus duct firm more, reliable, the assembly efficiency of bus duct has been improved.

Further, as the connecting piece body 42 is directly contacted with the copper bar 2, the shell connecting piece 4 is made of insulating, high-temperature-resistant and fireproof materials so as to ensure the safety of connection between the bus ducts, and the shell connecting piece 4 is made of high-hardness, high-toughness and high-strength materials so as to ensure the stability of connection between the bus ducts; for convenience of description, the housing connecting piece 4 is made of V0-grade flame retardant plastic, and specifically, the housing connecting piece 4 is made of nylon and glass fiber by injection molding; it should be noted that the material of the housing connecting member 4 is not limited in this example, and is only for convenience of describing the characteristics of the housing connecting member 4.

Alternatively, as shown in fig. 1 to 3, the plurality of copper bar fixing slots 421 are distributed at equal intervals.

A plurality of copper bar fixing grooves 421 are provided, specifically, the number of the copper bar fixing grooves 421 should be greater than or equal to the number of the bus copper plates provided in the bus duct; and copper bar fixed slot 421 evenly distributed (equidistant distribution promptly) on connecting piece body 42 to be adapted to the equidistant distribution of copper bar 2, make and leave certain interval between a plurality of copper bars 2, with the insulation of guaranteeing between a plurality of copper bars 2, promoted the security performance and the reliability of bus duct.

Further, the position of the copper bar fixing groove 421 on the connecting piece body 42 corresponds to the installation position of the copper bar 2 inside the shell 1, so that after the shell connecting piece 4 is fixedly connected with the shell 1, the copper bar 2 can correspond to the position of the copper bar fixing groove 421 on the shell connecting piece 4, and the copper bar plate and the copper bar fixing groove 421 can be conveniently matched in an inserting manner; specifically, when the copper bar 2 is disposed on the inner wall of the housing 1 in the vertical direction (Z-axis direction in fig. 2), the plurality of copper bar fixing grooves 421 are vertically disposed on the housing connection member 4; when the copper bar 2 is disposed on the inner wall of the housing 1 in the horizontal (XY plane in fig. 2) direction, a plurality of copper bar fixing grooves 421 are horizontally disposed on the housing connection member 4.

Further, the groove wall of the copper bar fixing groove 421 protrudes from both sides of the connecting member body 42 along the X axis in fig. 2 to increase the contact area between the groove wall of the copper bar fixing groove 421 and the bus copper plate, reinforce the insertion fit between the copper bar fixing groove 421 and the bus copper plate, and the groove wall of the copper bar fixing groove 421 has a certain thickness to ensure the stability of the insertion fit between the copper bar fixing groove 421 and the bus copper plate; the copper bar fixing groove 421 has an arc groove wall to facilitate the insertion and matching of the copper bar fixing groove 421 and the copper bus bars, for convenience of description, the following description will be made by way of example, a plurality of copper bus bars are disposed on the side wall below the inside of the bus bar housing 1, the copper bar fixing groove 421 is disposed at the corresponding position below the housing connecting member 4, the groove walls of the two ends of the copper bar fixing groove 421 along the Z-axis direction in fig. 2 are arc-shaped to be adapted to the copper bus bars also along the Z-axis direction in fig. 2, and the compressive capacity of the tube with a circular cross section is larger than that of the tube with a polygonal cross section, the arrangement of the arc groove wall of the copper bar fixing groove 421 makes the orthographic projection of the copper bar fixing groove 421 on the YZ plane to be similar to an ellipse, and the arrangement of the arc groove wall improves the compressive capacity of the connecting member body, the stability of the housing connection 4 is guaranteed.

Optionally, as shown in fig. 1 to fig. 3, the housing connecting member 4 further includes an adjusting sheet 41 disposed in the copper bar fixing groove 421 and connected to a groove wall of the copper bar fixing groove 421, and the adjusting sheet 41 is used for adjusting the length of the copper bar fixing groove 421 in the up-down direction.

An adjusting sheet 41 is arranged in the copper bar fixing groove 421, the adjusting sheet 41 is detachably connected with the copper bar fixing groove 421, and the copper bar fixing groove 421 can fix the bus copper plates with different widths (the length of the bus copper plate in the Z-axis direction in fig. 1) by detaching the adjusting sheet 41; further, the length of copper bar fixing groove 421 in the up-down direction (that is, the Z axis direction in fig. 1) can be changed by setting up the adjustment sheet 41 of different specifications (the adjustment sheet 41 occupies different space in the copper bar fixing groove 421, that is, the adjustment sheet 41 has different length in the Z axis direction), so that the copper bar fixing groove 421 can be fixed with the bus copper plate of different width specifications by inserting, the application environment of the shell connecting piece 4 is enriched, and the applicability of the shell connecting piece 4 is improved as a whole.

Further, as shown in fig. 3, on the basis that the copper bar fixing groove 421 is provided with an arc groove wall, two ends of the adjustment sheet 41 along the Z-axis direction in fig. 1 are also provided with an arc structure, so that the adjustment sheet 41 can be stably accommodated in the copper bar fixing groove 421, and the insertion and the matching of the bus copper plate and the copper bar fixing groove 421 are facilitated.

Optionally, the adjustment sheet 41 is in a thin plate structure, a connecting strip capable of being knocked off is arranged between the adjustment sheet 41 and a groove wall of the copper bar fixing groove 421, and the adjustment sheet 41 is connected with the groove wall of the copper bar fixing groove 421 through the connecting strip.

On the basis of the adjustment sheet 41, the adjustment sheet 41 is of a thin plate structure, which is different from the detachable connection of the adjustment sheet 41 and the connecting piece body 42, and a connecting strip capable of being knocked off is arranged between the adjustment sheet 41 and the groove wall of the copper bar fixing groove 421 to realize the fixed connection of the adjustment sheet 41 and the copper bar fixing groove 421, so that the adjustment sheet 41 and the groove wall of the copper bar fixing groove 421 are stably connected without detaching the adjustment sheet 41, the adjustment sheet 41 and the corresponding groove wall of the copper bar fixing groove 421 can stably clamp the bus copper plate, and the bus copper plate and the copper bar fixing groove 421 are ensured to be stably inserted; and because the connecting strip can be knocked off, the copper bar fixing groove 421 can be suitable for inserting and connecting bus copper plates of different specifications.

Optionally, as shown in fig. 1 to 4, a bus fixing groove 422 is further provided on the connecting member body 42, the bus fixing groove 422 is a closed annular groove structure, and the annular groove structure is configured to be matched with the outer shell 1 of the bus duct.

The connecting piece body 42 is provided with a bus fixing groove 422 matched with the shell 1 of the bus duct, and the bus fixing groove 422 is of a closed annular groove structure, so that one end of the shell 1 of the bus duct, which is used for being connected with the shell connecting piece 4, is inserted into the bus fixing groove 422 along the X-axis direction in fig. 1 and then cannot be loosened, namely the groove wall of the bus fixing groove 422 can limit the shell 1 in the up-down direction and the front-back direction; the bus fixing groove 422 is fixed by connecting the ends of the shells 1 of the two bus ducts, so that the connection of the shell connecting piece 4 to the shells 1 of the two bus ducts is realized, and the stability of the connection between the shells 1 of the bus ducts and the shell connecting piece 4 is ensured.

Alternatively, as shown in fig. 1 to fig. 3, the busbar fixing groove 422 has an outer ring groove wall 425 and an inner ring groove wall 426, the busbar fixing groove 421 is located in an area enclosed by the inner ring groove wall 426, and the outer ring groove wall 425 is provided with a plurality of second fixing holes 427 for connecting with the housing 1.

The copper bar fixing groove 421 is located in an area defined by inner ring groove walls 426 of the bus fixing groove 422, so that the copper bar fixing groove 421 corresponds to the arrangement position of the copper bar 2; and a plurality of second fixing holes 427 are arranged on the outer ring groove wall 425 for connecting two bus duct shells 1, that is, the shell connecting piece 4 is respectively connected with the two shells 1 through the second fixing holes 427 to realize the fixed connection of the two shells 1, specifically, the axis of the second fixing hole 427 is perpendicular to the position of the outer ring groove wall 425 where the second fixing hole 427 is located, and after the end of the shell 1 is inserted into the bus fixing groove 422, a fastener (such as a screw) is screwed into the second fixing hole 427 to realize the fixed connection of the shell 1 and the shell connecting piece 4.

Alternatively, as shown in fig. 1 to 4, a partition 423 is disposed in the busbar fixing groove 422, the shape of the partition 423 is matched with the shape of the busbar fixing groove 422, and the partition 423 divides the busbar fixing groove 422 into a first fixing groove 4221 and a second fixing groove 4222, where the first fixing groove 4221 and the second fixing groove 4222 are respectively used for connecting with the bus duct casing 1.

3 as 3 shown 3 in 3 fig. 3 4 3, 3 fig. 3 4 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 structural 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 in 3 fig. 3 3 3, 3 a 3 partition 3 423 3 is 3 disposed 3 in 3 the 3 bus 3 bar 3 fixing 3 groove 3 422 3, 3 the 3 partition 3 423 3 is 3 shaped 3 to 3 match 3 the 3 shape 3 of 3 the 3 bus 3 bar 3 fixing 3 groove 3 422 3, 3 that 3 is 3, 3 the 3 partition 3 423 3 serves 3 as 3 a 3 groove 3 bottom 3 of 3 the 3 bus 3 bar 3 fixing 3 groove 3 422 3, 3 the 3 partition 3 423 3 is 3 located 3 at 3 an 3 intermediate 3 position 3 of 3 the 3 bus 3 bar 3 fixing 3 groove 3 422 3, 3 the 3 partition 3 423 3 divides 3 the 3 bus 3 bar 3 fixing 3 groove 3 422 3 into 3 two 3 fixing 3 grooves 3, 3 that 3 is 3, 3 a 3 first 3 fixing 3 groove 3 4221 3 and 3 a 3 second 3 fixing 3 groove 3 4222 3, 3 and 3 the 3 first 3 fixing 3 groove 3 4221 3 and 3 the 3 second 3 fixing 3 groove 3 4222 3 are 3 respectively 3 used 3 for 3 connecting 3 and 3 installing 3 with 3 two 3 shells 3 1 3; 3 And the setting of baffle 423 for baffle 423 becomes the tank bottom of first fixed slot 4221 and second fixed slot 4222, has played certain prepositioning and spacing effect to being connected of fixed slot and shell 1, specifically, two shells 1 are connected to shell connecting piece 4, the tip of one of them shell 1 inserts behind first fixed slot 4221, offsets with the tank bottom of first fixed slot 4221, the cell wall and the tank bottom cooperation of first fixed slot 4221, carry on spacingly to this shell 1, and because shell connecting piece 4 has been connected with a shell 1, made things convenient for subsequent another shell 1 and second fixed slot 4222 to be connected fixedly, efficiency when having promoted shell connecting piece 4 and shell 1 and being connected the installation.

Further, be different from the setting mode that foretell baffle 423 separated into two fixed slots with generating line fixed slot 422, set up baffle 423 in the tip of connecting piece body 42 in this embodiment for baffle 423 is as the tank bottom of generating line fixed slot 422, set up the trimmer 41 that is full of copper bar fixed slot 421 or set up confined tank bottom in copper bar fixed slot 421 on shell connecting piece 4 this moment, so that the baffle 423 place end of shell connecting piece 4 is the enclosed construction, and at this moment, generating line fixed slot 422 is connected fixedly with a shell 1, make shell connecting piece 4 become the sealing member of generating line groove afterbody.

Optionally, as shown in fig. 1 and fig. 3, a plurality of first fixing holes 424 are further provided on the connecting member body 42, the plurality of first fixing holes 424 are located in the bus fixing groove 422, and the connecting member body 42 is detachably connected to the bus duct housing 1 at the first fixing holes 424 by a fastener.

A plurality of first fixing holes 424 with axes parallel to the length direction (X-axis direction in fig. 1) of the shell 1 are formed in the connecting piece body 42, and are used for fixedly connecting the shell connecting piece 4 with the bus duct shell 1, specifically, the first fixing holes 424 with axes parallel to the X-axis are formed in the connecting piece body 42, matching holes coaxial with the first fixing holes 424 are formed in corresponding positions on the shell 1, and a fastener (such as a screw) is screwed into the first fixing holes 424 and the matching holes on the shell 1 to fixedly connect the shell 1 with the shell connecting piece 4; and the first fixing hole 424 is positioned in the bus fixing groove 422, so that the beauty of the shell connecting piece 4 connected with the bus duct shell 1 is ensured, and the oxidation of the metal fastener when the shell connecting piece 4 is connected with the shell 1 by screwing the metal fastener into the first fixing hole 424 is delayed or even avoided.

Further, on the basis that the outer ring groove wall 425 is provided with a plurality of second fixing holes 427 for connecting with the housing 1, the housing connecting piece 4 is connected with the housing 1 through the first fixing holes 424, and then connected with the housing 1 through the second fixing holes 427, so that the firmness of the connection between the housing connecting piece 4 and the housing 1 is further strengthened; the stability of being connected between shell connecting piece 4 and shell 1 has been promoted on the whole, has guaranteed the reliability of the connection function of shell connecting piece 4.

Optionally, as shown in fig. 1-3, a plurality of ribs 428 are disposed in the inner ring groove wall 426 of the busbar fixing groove 422.

Be equipped with (that is strengthening rib 428 is located generating line fixed slot 422 in) a plurality of strengthening ribs 428 in the inner circle cell wall 426 of generating line fixed slot 422, specifically, be equipped with a plurality of strengthening ribs 428 towards the side of outer lane cell wall 425 on the inner circle cell wall 426 of generating line fixed slot 422, in order to strengthen the steadiness of inner circle cell wall 426, the stability of generating line fixed slot 422 and the steadiness of shell connecting piece 4 overall structure when shell connecting piece 4 is connected with shell 1 have been guaranteed, and strengthening rib 428 towards one side and baffle 423 fixed connection of baffle 423, so set up, the firm connection of baffle 423 with the inner circle cell wall 426 of generating line fixed slot 422 has been guaranteed, the steadiness of inner circle cell wall 426 and baffle 423 in shell connecting piece 4 of generating line fixed slot 422 has further been promoted, the steadiness of shell connecting piece 4 has been promoted on.

Alternatively, as shown in connection with fig. 1-3, the end of the rib 428 facing the outer race groove wall 425 is spaced from the outer race groove wall 425.

The end of the rib 428 facing the outer ring groove wall 425 of the busbar fixing groove 422 is spaced apart from the outer ring groove wall 425, so that the end of the housing 1 connected to the housing connection member 4 is inserted into the bus bar fixing groove 422, and the interval is equal to or slightly greater than the thickness of the sidewall of the housing 1, so that when the end of the housing 1 connected to the housing connector 4 is inserted into the bus bar fixing groove 422, the outer ring groove wall 425 of the bus bar fixing groove 422 abuts against the housing 1 with the reinforcing rib 428, and the outer ring groove wall 425 and the reinforcing rib 428 clamp the housing 1, and then formed the spacing in upper and lower, fore-and-aft direction to shell 1 for the tip of shell 1 can peg graft in generating line fixed slot 422 steadily, further strengthens the compactness of being connected between shell 1 and the shell connecting piece 4, has guaranteed the steadiness of the protecgulum and the back lid of shell 1 after connecting through shell connecting piece 4.

Further, a plurality of ribs 428 are provided in the inner ring groove wall 426, which is different from the bus bar fixing groove 422 described above, and a plurality of ribs 428 are provided on the side surface of the outer ring groove wall 425 facing the inner ring groove wall 426, and at this time, the shell connecting piece 4 is sleeved on the shell 1, specifically, the end of the shell 1 for connecting the shell connecting piece 4 is positioned between the reinforcing rib 428 and the inner ring groove wall 426, the inner ring groove wall 426 of the bus fixing groove 422 and the reinforcing rib 428 form an abutting joint with the shell 1, and the inner ring groove wall 426 and the reinforcing rib 428 form a clamping joint with the shell 1, and then formed the spacing in upper and lower, fore-and-aft direction to shell 1 for the tip of shell 1 can peg graft in generating line fixed slot 422 steadily, further strengthens the compactness of being connected between shell 1 and the shell connecting piece 4, has guaranteed the steadiness of the protecgulum and the back lid of shell 1 after connecting through shell connecting piece 4.

Further, all be equipped with strengthening rib 428 on outer lane cell wall 425 and the inner circle cell wall 426, and strengthening rib 428 is located between outer lane cell wall 425 and the inner circle cell wall 426, insert bus fixed slot 422 back at the tip of shell 1, strengthening rib 428 on outer lane cell wall 425 and the inner circle cell wall 426 forms the butt to shell 1, and then form about to shell 1, spacing in the fore-and-aft direction, make the tip of shell 1 can peg graft in bus fixed slot 422 steadily, further strengthen the compactness of being connected between shell 1 and the shell connecting piece 4, the front cover and the back lid of having guaranteed shell 1 are in the steadiness after connecting through shell connecting piece 4.

In this embodiment, preferably, a plurality of reinforcing ribs 428 are disposed in the inner ring groove wall 426 of the bus fixing groove 422, so that when the plurality of reinforcing ribs 428 are disposed on the side surface of the outer ring groove wall 425 facing the inner ring groove wall 426, the case connecting member 4 is connected to the case 1 and protrudes out of the case 1 in the vertical and front-back directions, which affects the appearance of the bus duct and the fixation of the bus duct, for example, the bus duct is attached to a wall surface or an inner wall of an electric gas well when the bus duct is fixed to the wall surface or the inner wall of the.

Further, it is different from the arrangement mode of the housing connector 4 sleeved on the housing 1, that is, after the housing connector 4 is connected with the two housings 1, a part of the housing connector 4 is exposed outside the housing 1; the shell connecting piece 4 can also be arranged in the shell 1, specifically, the shell connecting piece 4 is arranged in the shell 1 and is positioned at the joint of the two shells 1, because the shell connecting piece 4 has a certain length along the X-axis direction, one part of the shell connecting piece 4 is positioned in one shell 1, and the other part is positioned in the other shell 1, thus the two shells 1 can be limited in the up-down and front-back directions, and the shell connecting piece 4 is provided with a second fixing hole 427, the corresponding position of the shell 1 is provided with a matching hole coaxial with the second fixing hole 427, the shell 1 and the shell connecting piece 4 are fixedly connected by screwing a fastener (such as a screw) into the corresponding matching hole and the second fixing hole 427 on the shell 1 from the outside of the shell 1 in sequence, and the shell connecting piece 4 can limit the two shells 1 along the X-axis direction; thereby ensuring a stable connection of the housing connection piece 4 with the housing 1.

Alternatively, as shown in connection with fig. 1-3, a plurality of ribs 428 are evenly distributed around the inner ring groove wall 426.

On the basis that a plurality of reinforcing ribs 428 are arranged in the inner ring groove wall 426 of the bus fixing groove 422 (namely, the reinforcing ribs 428 are positioned in the bus fixing groove 422), the plurality of reinforcing ribs 428 are uniformly distributed around the inner ring groove wall 426, namely, the reinforcing ribs 428 positioned on the same side of the inner ring groove wall 426 are distributed at equal intervals, so that the outer ring groove wall 425 and the reinforcing ribs 428 of the bus fixing groove 422 can stably clamp the four sides of the shell 1, the connection stability between the shell 1 and the shell connecting piece 4 is ensured, and the assembly efficiency of the bus duct is improved.

Similarly, when a plurality of ribs 428 are disposed within the outer ring channel wall 425 of the busbar securing slot 422, the plurality of ribs 428 are also evenly distributed about the outer ring channel wall 425.

Although the present invention has been disclosed above, the scope of the present invention is not limited thereto. Without departing from the spirit and scope of the present invention, those skilled in the art can make various changes and modifications, which will fall into the protection scope of the present invention.

Claims

1. The utility model provides a shell connecting piece, its characterized in that includes connecting piece body (42), be equipped with a plurality of copper bar fixed slots (421) that run through on connecting piece body (42), just copper bar fixed slot (421) are used for with copper bar (2) looks adaptation.

2. The housing connection unit according to claim 1, further comprising an adjustment sheet (41) disposed in the copper bar fixing groove (421) and connected to a groove wall of the copper bar fixing groove (421), wherein the adjustment sheet (41) is used for adjusting a length of the copper bar fixing groove (421) in an up-down direction.

3. The housing connection piece according to claim 2, wherein the adjustment sheet (41) is a thin plate structure, and a connecting strip capable of being knocked off is arranged between the adjustment sheet (41) and the groove wall of the copper bar fixing groove (421), and the adjustment sheet (41) is connected with the groove wall of the copper bar fixing groove (421) through the connecting strip.

4. The shell connecting piece according to any one of claims 1 to 3, wherein a bus fixing groove (422) is further formed in the connecting piece body (42), the bus fixing groove (422) is of a closed annular groove structure, and the annular groove structure is used for being matched with the shell (1) of the bus duct.

5. The housing connection according to claim 4, characterized in that the busbar fixation groove (422) has an outer ring groove wall (425) and an inner ring groove wall (426), the busbar fixation groove (421) is located in the area enclosed by the inner ring groove wall (426), and the outer ring groove wall (425) is provided with a plurality of second fixation holes (427) for connection with the housing (1).

6. The housing connection according to claim 4, wherein a partition plate (423) is provided in the busbar securing groove (422), the partition plate (423) having a shape corresponding to the shape of the busbar securing groove (422), and the partition plate (423) divides the busbar securing groove (422) into a first securing groove (4221) and a second securing groove (4222), the first securing groove (4221) and the second securing groove (4222) being respectively configured to be connected to the housing (1).

7. The shell connector according to claim 4, wherein a plurality of first fixing holes (424) are further formed in the connector body (42), the plurality of first fixing holes (424) are located in the bus bar fixing groove (422), and the connector body (42) and the shell (1) are detachably connected at the first fixing holes (424) through fasteners.

8. The housing connector of claim 5 wherein said inner race groove wall (426) of said busbar securing groove (422) has a plurality of ribs (428) disposed therein.

9. The housing connector of claim 8, wherein an end of the stiffener (428) facing the outer ring groove wall (425) is spaced from the outer ring groove wall (425).

10. The housing connector of claim 8 wherein a plurality of said ribs (428) are evenly distributed around said inner ring groove wall (426).