Shielding type top expansion bus joint

Abstract

The utility model relates to the technical field of bus joints, in particular to a shielding type top expansion bus joint which comprises a joint shell, the joint shell comprises a lower positioning cover and an upper positioning cover which is matched with the upper portion of the lower positioning cover in an inserted mode, a positioning assembly comprises two symmetrical fixing covers, and clamping grooves are formed in the opposite faces of the fixing covers. Wherein one fixing cover is provided with an inserting block and a penetrating hole, the other fixing cover is provided with an inserting groove, and the two ends of the connector shell are each provided with a clamping assembly. According to the shielding type top expansion bus joint, the upper positioning cover and the lower positioning cover are in plug-in fit through the arrangement of the upper positioning cover in plug-in fit with the convex strips and the grooves, the fastening bolts are disassembled to facilitate opening of the upper positioning cover, the internal connecting end columns are taken out to be overhauled or replaced, the joint shell is matched with the clamping assembly, and the outer nut is matched with the lantern ring, so that the clamping assembly is convenient to disassemble and assemble. And the plugged cable is limited and fixed through the plurality of movable clamping plates, so that the situation that the cable is separated under the pulling action of external force, and connection and use are affected is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bus joint technical field, concretely is a shielding type top expansion bus joint. BACKGROUND

[0002] The shielding type top expansion bus joint is a kind of electric power equipment fittings, and is used for the bus expansion connection of high-voltage switchgear such as ring main unit, gas-filled cabinet;

[0003] The utility model discloses a top expansion bus cross cable joint discloses a kind of outside shell, insulating layer, shielding layer, connecting port, locking wheel, mounting block, fixed block, lifting rod, spring, clamping block, connecting block, cable, fastening block, the surface of the outside shell is provided with insulating layer, the inside of the outside shell is provided with shielding layer, the surface of the outside shell is provided with connecting port, the surface of the outside shell is fixedly installed with locking wheel, the surface of the outside shell is fixedly installed with mounting block, the inside of the shielding layer is fixedly installed with fixed block, the inside of the shielding layer is fixedly installed with lifting rod, the surface of the lifting rod is fixedly installed with spring, the opposite end of the lifting rod is fixedly installed with clamping block;

[0004] The above technical scheme, by the connecting block inside the insulating layer, when connecting cable, it is convenient and efficient and improves the use efficiency of cable, by the fixed block clamping fastening block, so that clamping cable is fastened, so as to improve the conductivity of cable;But long-term use cable is easy to drag, and cable connector is easy to be pulled off from the connector by external force, affecting continuous connection use, the bus joint does not have multiple fixing to cable, reduces the influence of external force to separate, and the connector is not convenient to disassemble and overhaul.‌ UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a shielding type top expansion bus joint to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A shielding type top expansion bus joint, comprising a joint shell, the joint shell includes a lower positioning cover and an upper positioning cover inserted and matched above the lower positioning cover, a positioning assembly is arranged in the middle of the joint shell, the positioning assembly includes two symmetrical fixed covers, a clamping groove is formed on one side of each of the fixed covers opposite to each other, an insertion block and a through hole are arranged on one of the fixed covers, a fastening bolt is arranged in the through hole, an insertion slot is arranged on the other fixed cover, and a screw hole is formed on the fixed cover corresponding to the fastening bolt, and a clamping assembly is arranged at each end of the joint shell.

[0008] The clamping assembly comprises an outer nut, a sleeve ring inserted and arranged in the inner part of the outer nut, an inner thread is formed on the inner wall of the outer nut, a funnel ring is arranged at the right end of the outer nut, a sliding block is symmetrically arranged on the outer wall of the sleeve ring, a plurality of movable clamping plates are arranged at the right end of the sleeve ring, and a sliding groove is formed on the inner wall of the outer nut corresponding to the sliding block.

[0009] Further, the inner walls of the lower positioning cover and the upper positioning cover are both provided with shielding layers, a connecting end column is arranged between the two shielding layers, the outer walls of the connecting end column are both provided with first arc-shaped blocks, and the two ends of the connecting end column are both provided with insertion holes.

[0010] In the utility model, the cooperation of the two shielding layers reduces the influence on internal signal transmission, and the two cables outside are connected through the insertion holes, and the corresponding battery cell at the cable end is inserted and matched with the insertion hole.

[0011] Specifically, a first arc-shaped groove is formed on the inner wall of the shielding layer corresponding to the first arc-shaped block.

[0012] In the utility model, the width of the outer wall of the first arc-shaped block is inserted and matched with the first arc-shaped groove, the connecting end column and the shielding layer are closely inserted and matched, and the stability of installation is increased.

[0013] It should be noted that the lower positioning cover is provided with an opening in the middle, the width of the outer wall of the opening is matched with the width of the outer wall of the upper positioning cover, recesses are formed on the edges of the opening of the lower positioning cover, and convex strips are arranged on the bottom of the upper positioning cover corresponding to the recesses.

[0014] In the utility model, the upper positioning cover is inserted and matched with the convex strips and the recesses, the upper positioning cover and the lower positioning cover are closely inserted and matched, the upper positioning cover is opened, and the internal connecting end column can be taken out for maintenance or replacement.

[0015] Further, the outer walls of the two ends of the lower positioning cover are both provided with second arc-shaped blocks, the width of the outer wall of the joint shell is matched with the inner diameter between the two clamping grooves, and a second arc-shaped groove is formed in the clamping groove corresponding to the second arc-shaped block.

[0016] In the utility model, the second arc-shaped blocks are matched and inserted and matched with the second arc-shaped grooves, the lower positioning cover and the fixed cover are stably inserted and matched, and the stability of installation is increased.

[0017] Specifically, the widths of the outer walls of the two fixed covers are matched, the width of the inner wall of the insertion slot is matched with the width of the outer wall of the insertion block, and the fastening bolt is threadedly connected through the perforation and the screw hole.

[0018] In the utility model, the insertion block is inserted and matched with the insertion slot, the two fixed covers are stably and correspondingly inserted and matched, and under the cooperation of the fastening bolt, the two fixed covers are stably and fixedly installed and matched.

[0019] It is worth supplementing that the outer nut outer wall is provided with a plurality of anti-skid blocks, the anti-skid blocks and the outer nut are an integral molding structure, the funnel ring and the outer nut are an integral molding structure, and the lower positioning cover is provided with a threaded column at the corresponding position of the inner thread at both ends.

[0020] In the utility model, the cooperation of the plurality of anti-skid blocks increases the contact area of the outer nut, thereby increasing the friction, and facilitating the threaded connection of the outer nut and the threaded column.

[0021] Further, the slider and the sleeve ring are an integral molding structure, the width of the slider outer wall is adapted to the width of the sliding groove inner wall, the movable clamping plates are annularly and equidistantly distributed, the movable clamping plate combination is in a funnel structure, and the movable clamping plate inner wall face terminal end is provided with a snap ring.

[0022] In the utility model, the slider and the sliding groove are inserted and matched, the rotation of the sleeve ring and the outer nut is limited, and under the cooperation of the slider, the outer nut is transversely slidably matched, under the cooperation of the plurality of movable clamping plates, the inserted cable is clamped and fixed, the outer nut is threadedly connected with the threaded column, under the cooperation of the funnel ring, the plurality of movable clamping plates are extruded, under the cooperation of the snap ring, the friction with the cable is increased, thereby fixing the cable position, and the stability of installation is increased.

[0023] Compared with the prior art, the utility model has the beneficial effects that:

[0024] 1. The utility model discloses a positioning cover is inserted and matched with the lower positioning cover under the cooperation of the convex strip and the groove, is inserted and matched with the upper positioning cover and the lower positioning cover under the cooperation of the two fixed covers, is fixed in position under the cooperation of the fastening bolt, the fastening bolt is disassembled and is helpful to the opening of the upper positioning cover, realizes the inside connecting end post to be taken out and is overhauled or is replaced cooperation, the joint shell is matched with the clamping assembly, and the outer nut is matched with the sleeve ring, and the inserted cable is fixed in position through the plurality of movable clamping plates, the cable is separated under the action of external force, and the use of connection is affected.

[0025] 2. The utility model discloses a first arc block and first arc slot are inserted and matched, are helpful to the insertion and cooperation of the connecting end post and the lower positioning cover, the upper positioning cover, the upper positioning cover and the lower positioning cover are installed fast and closely under the cooperation of the convex strip and the groove, the second arc block and the second arc slot are inserted and matched, realize the stable installation cooperation between the joint shell and the fixed cover, the threaded column is connected with the inner thread on the outer nut, and under the cooperation of the funnel ring, the outer nut is threadedly connected, the sleeve ring is moved outward, thereby realizing the cable position fixed by the cooperation of the plurality of movable clamping plates and the snap ring. DRAWINGS

[0026] Figure 1 It is the whole structure schematic diagram of the utility model.

[0027] Figure 2 It is the card joint assembly taking out state schematic view of the utility model;

[0028] Figure 3 It is the positioning assembly and joint shell combined structure schematic view of the utility model;

[0029] Figure 4 It is the positioning assembly frame structure schematic view of the utility model;

[0030] Figure 5 It is the joint shell structure schematic view of the utility model;

[0031] Figure 6 It is the joint shell and connecting end post combined structure schematic view of the utility model;

[0032] Figure 7 It is the card joint assembly structure schematic view of the utility model;

[0033] Figure 8 It is the whole cross section structure schematic view of the utility model.

[0034] The meaning of each reference numeral in the drawing is as follows:

[0035] 1, joint shell; 10, lower positioning cover; 100, shielding layer; 101, groove; 102, first arc-shaped groove; 11, upper positioning cover; 110, convex strip; 12, second arc-shaped block; 13, threaded column; 14, connecting end post; 140, first arc-shaped block; 141, insertion hole;

[0036] 2, positioning assembly; 20, fixed cover; 200, insertion slot; 201, insertion block; 21, clamping groove; 210, second arc-shaped groove; 22, through hole; 220, fastening bolt; 23, threaded hole;

[0037] 3, card joint assembly; 30, outer nut; 300, internal thread; 301, sliding groove; 302, anti-skid block; 303, funnel ring; 31, sleeve ring; 310, sliding block; 311, movable clamping plate; 312, clasp ring. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0039] Please refer to Figures 1-8 The embodiment provides a technical scheme:

[0040] The utility model discloses a shielding type top expansion bus joint, including joint shell 1, joint shell 1 includes the lower positioning cover 10 and the upper positioning cover 11 of the upper insertion cooperation of lower positioning cover 10, the inner wall of lower positioning cover 10, upper positioning cover 11 all is equipped with shielding layer 100, and is equipped with the connecting end post 14 between two shielding layers 100, and the outer wall of connecting end post 14 all is equipped with first arc block 140, and the both ends of connecting end post 14 all are equipped with insertion hole 141.

[0041] In the utility model, the cooperation of two shielding layers 100 reduces the influence on internal signal transmission, and two cables outside are connected through the insertion hole 141, and the battery cell corresponding to the cable end is inserted and cooperated with the insertion hole 141.

[0042] Further, the first arc slot 102 is formed in the inner wall of the shielding layer 100 corresponding to the first arc block 140.

[0043] In the utility model, the width of the outer wall of the first arc block 140 is inserted and cooperated with the first arc slot 102, the connecting end post 14 and the shielding layer 100 are tightly inserted and cooperated and installed, and the stability of installation is increased.

[0044] Specifically, the lower positioning cover 10 is provided with an opening in the middle, the width of the outer wall of the opening is matched with the width of the outer wall of the upper positioning cover 11, recesses 101 are formed in the edges of the opening on the lower positioning cover 10, and the bottom of the upper positioning cover 11 is provided with a convex strip 110 corresponding to the recess 101.

[0045] In the utility model, the upper positioning cover 11 is inserted and cooperated with the recess 101 through the convex strip 110, the upper positioning cover 11 and the lower positioning cover 10 are tightly inserted and cooperated and installed, the upper positioning cover 11 is opened, and it is helpful to take out the internal connecting end post 14 for maintenance or replacement.

[0046] It should be noted that the positioning assembly 2 is arranged in the middle of the joint shell 1, the positioning assembly 2 comprises two symmetrical fixed covers 20, the fixed covers 20 are oppositely provided with clamping grooves 21, the outer walls of the two ends of the lower positioning cover 10 are provided with second arc blocks 12, the width of the outer wall of the joint shell 1 is matched with the inner diameter between the two clamping grooves 21, and the second arc slot 210 is formed in the clamping groove 21 corresponding to the second arc block 12.

[0047] In the utility model, the second arc block 12 is inserted and cooperated with the second arc slot 210, the lower positioning cover 10 and the fixed cover 20 are stably inserted and cooperated and installed, and the stability of installation is increased.

[0048] Further, one of the fixed cover 20 is provided with an insertion block 201, a through hole 22, and a fastening bolt 220 is arranged in the through hole 22, and the other fixed cover 20 is provided with an insertion slot 200, and a screw hole 23 is arranged on the fixed cover 20 corresponding to the fastening bolt 220, the width of the outer wall of the two fixed covers 20 is matched, the width of the inner wall of the insertion slot 200 is matched with the width of the outer wall of the insertion block 201, and the fastening bolt 220 is threadedly connected through the through hole 22 and the screw hole 23.

[0049] In the utility model, the insertion block 201 and the insertion slot 200 are inserted and matched, the two fixed covers 20 are stably and correspondingly inserted and matched, and under the cooperation of the fastening bolt 220, the two fixed covers 20 are stably and fixedly installed and matched.

[0050] It is worth supplementing that the joint shell 1 is provided with a clamping assembly 3 at both ends; the clamping assembly 3 comprises an outer nut 30 and a sleeve ring 31 inserted and installed inside the outer nut 30, the sleeve ring 31 is provided with a plurality of movable clamping plates 311 at the right end, a plurality of anti-skid blocks 302 are arranged on the outer wall of the outer nut 30, the anti-skid block 302 and the outer nut 30 are an integral molding structure, the funnel ring 303 and the outer nut 30 are an integral molding structure, and the lower positioning cover 10 is provided with a threaded column 13 at both ends corresponding to the internal thread 300.

[0051] In the utility model, under the cooperation of the plurality of anti-skid blocks 302, the contact area of the outer nut 30 is increased, and then the friction is increased, so that the outer nut 30 is conveniently threadedly connected with the threaded column 13.

[0052] Further, the inner wall of the outer nut 30 is provided with an internal thread 300, the right end of the outer nut 30 is provided with a funnel ring 303, the outer wall of the sleeve ring 31 is symmetrically provided with a sliding block 310, and the inner wall of the outer nut 30 is provided with a sliding groove 301 corresponding to the sliding block 310.

[0053] Secondly, the sliding block 310 and the sleeve ring 31 are an integral molding structure, the width of the outer wall of the sliding block 310 is matched with the width of the inner wall of the sliding groove 301, the movable clamping plates 311 are annularly and equidistantly distributed, the movable clamping plates 311 are combined in a funnel structure, and the inner wall surfaces of the movable clamping plates 311 are provided with clamping rings 312 at the end portions.

[0054] In the utility model, the sliding block 310 and the sliding groove 301 are inserted and matched, the rotation of the sleeve ring 31 and the outer nut 30 is limited, the sliding block 310 is transversely slidably matched with the outer nut 30 under the cooperation, the inserted cable is clamped and fixed under the cooperation of the plurality of movable clamping plates 311, the outer nut 30 is threadedly connected with the threaded column 13, the plurality of movable clamping plates 311 are extruded under the cooperation of the funnel ring 303, the friction with the cable is increased under the cooperation of the clamping ring 312, and then the cable position is fixed, and the stability of installation is increased.

[0055] The shielding type top expansion bus joint of the embodiment is used firstly, the connecting end post 14 with the inserting hole 141 is inserted and matched with the first arc-shaped slot 102 on the shielding layer 100 through the first arc-shaped block 140, the upper positioning cover 11 is inserted and matched with the recess 101 through the convex strip 110, the joint shell 1 is inserted and matched with the inserting slot 200 on the fixed cover 20, and the second arc-shaped block 12 is inserted and matched with the corresponding second arc-shaped slot 210, then the fixed cover 20 is attached and close, the inserting block 201 is inserted and matched with the corresponding inserting slot 200, the fastening bolt 220 is screwed through the perforation 22 and the screw hole 23, the fixed cooperation between the fixed cover 20 and the joint shell 1 is realized;

[0056] When the cable joint is needed to be matched, the cable is inserted and matched with the inserting hole 141 in the lower positioning cover 10 and the inserting hole 141 in the lower positioning cover 10 in sequence through the sleeve ring 31 and the outer nut 30, the outer nut 30 is screwed with the threaded column 13 through the inner thread 300, the sleeve ring 31 is inserted and matched with the sliding slot 301 in the sliding block 310, the plurality of movable clamping plates 311 are pressed and matched under the cooperation of the funnel ring 303, the movable clamping plates 311 are closely clamped and matched with the cable according to different cable thickness, the cable position is fixed under the cooperation of the clamping ring 312, the stability of installation is increased, the cable is separated from the joint shell 1 under the action of external force, the cable joint is matched, when the internal connecting end post 14 is needed to be overhauled or replaced, the fastening bolt 220 is manually disassembled, the fixed cover 20 is separated, the upper positioning cover 11 is taken out from the opening on the lower positioning cover 10, and the connecting end post 14 is taken out for overhauling and matching.

Claims

1. A shielded top expansion bus joint comprising a joint housing (1), characterized in that: The joint shell (1) comprises a lower positioning cover (10) and an upper positioning cover (11) which is connected to the lower positioning cover (10) in a plug-in manner, a positioning assembly (2) is arranged in the middle of the joint shell (1), the positioning assembly (2) comprises two symmetrical fixed covers (20), the opposite side of each of the fixed covers (20) is provided with a clamping groove (21), one of the fixed covers (20) is provided with a plug block (201) and a through hole (22), a fastening bolt (220) is arranged in the through hole (22), the other fixed cover (20) is provided with a plug groove (200), and a screw hole (23) is arranged on the fixed cover (20) and corresponds to the fastening bolt (220), and clamping assemblies (3) are arranged at both ends of the joint shell (1). The clamping assembly (3) comprises an outer nut (30) and a sleeve ring (31) which is arranged in the inner part of the outer nut (30) in a plug-in manner, an inner thread (300) is arranged on the inner wall of the outer nut (30), a funnel ring (303) is arranged at the right end of the outer nut (30), symmetrical slide blocks (310) are arranged on the outer wall of the sleeve ring (31), a plurality of movable clamping plates (311) are arranged at the right end of the sleeve ring (31), and a sliding groove (301) is arranged on the inner wall of the outer nut (30) and corresponds to the slide block (310).

2. The shielded top expansion bus joint of claim 1, wherein: The inner walls of the lower positioning cover (10) and the upper positioning cover (11) are provided with shielding layers (100), and a connecting end column (14) is arranged between the two shielding layers (100), first arc-shaped blocks (140) are arranged on the outer walls of the connecting end column (14), and plug-in holes (141) are arranged at both ends of the connecting end column (14).

3. The shielded top expansion bus joint of claim 2, wherein: First arc-shaped grooves (102) are arranged on the inner walls of the shielding layers (100) and correspond to the first arc-shaped blocks (140).

4. The shielded top expansion bus joint of claim 1, wherein: An opening is arranged in the middle of the lower positioning cover (10), the width of the outer wall of the opening is matched with the width of the outer wall of the upper positioning cover (11), recesses (101) are arranged on the edges of the opening of the lower positioning cover (10), and convex strips (110) are arranged on the bottom of the upper positioning cover (11) and correspond to the recesses (101).

5. The shielded top expansion bus joint of claim 1, wherein: Second arc-shaped blocks (12) are arranged on the outer walls of both ends of the lower positioning cover (10), the width of the outer wall of the joint shell (1) is matched with the inner diameter between the two clamping grooves (21), and second arc-shaped grooves (210) are arranged in the clamping grooves (21) and correspond to the second arc-shaped blocks (12).

6. The shielded top expansion bus joint of claim 1, wherein: The widths of the outer walls of the two fixed covers (20) are matched, the width of the inner wall of the plug groove (200) is matched with the width of the outer wall of the plug block (201), and the fastening bolt (220) is threadedly connected through the through hole (22) and the screw hole (23).

7. The shielded top expansion bus joint of claim 1, wherein: A plurality of anti-skid blocks (302) are arranged on the outer wall of the outer nut (30), the anti-skid blocks (302) and the outer nut (30) are in an integral molding structure, the funnel ring (303) and the outer nut (30) are in an integral molding structure, and threaded columns (13) are arranged at both ends of the lower positioning cover (10) and correspond to the inner thread (300).

8. The shielded top expansion bus joint of claim 1, wherein: The slider (310) and the sleeve ring (31) are integrally formed, the width of the outer wall of the slider (310) is matched with the width of the inner wall of the sliding groove (301), the movable clamping plates (311) are annularly and equidistantly distributed, the movable clamping plates (311) are combined to form a funnel structure, and the inner wall surfaces of the movable clamping plates (311) are all provided with snap rings (312) at the ends.

Images