CN209267076U

CN209267076U - A kind of high-strength sealed formula bus duct

Info

Publication number: CN209267076U
Application number: CN201821693784.0U
Authority: CN
Inventors: 陈飞; 戚少华
Original assignee: JIANGSU QUANHUI ELECTRICAL APPLIANCE Co Ltd
Current assignee: JIANGSU QUANHUI ELECTRICAL APPLIANCE Co Ltd
Priority date: 2018-10-19
Filing date: 2018-10-19
Publication date: 2019-08-16
Anticipated expiration: 2028-10-19

Abstract

The utility model relates to bus duct technical fields, and disclose a kind of high-strength sealed formula bus duct, including the first bus duct and the second bus duct, the opposite face of first bus duct and the second bus duct is fixedly connected to busbar, the upper and lower surfaces of two busbars are connected with connection sheet, the quantity of the connection sheet is eight, and every two connection sheet is one group, and the opposite face of connection sheet described in four groups is flexibly connected with the upper and lower surfaces of insulating barrier respectively.The high-strength sealed formula bus duct, by being provided with the first closing gripping block, the second closing gripping block, fastening bolt and fastening bolt head, it turns fastening bolt head and drives fastening bolt rotation, fastening bolt drives pressure diffusion plate to move down, so that the first closing gripping block and the second closing gripping block collective effect reduce to realize busbar with the gap in the middle part of connection sheet to fastening in the middle part of busbar.

Description

A kind of high-strength sealed formula bus duct

Technical field

The utility model relates to bus duct technical field, specially a kind of high-strength sealed formula bus duct.

Background technique

Bus duct is a kind of closed metal device being made of copper, aluminium busbar column, is used to be each element of decentralized system Distribute relatively high power.With the rapid development in city, skyscraper is more and more, and building power load sharply increases therewith, Original wire and cable because its capacity is small, branch is inconvenient, is not easy to the reasons such as boundling management, gradually it is big by capacity, Branch is convenient, the convenient bus duct of boundling management replaces.The existing bus duct overwhelming majority is to be discharged by bolt to conduction Row is fixed, since the outer diameter of bolt is smaller so that busbar only has sub-fraction pressure-bearing, most busbars be belong to it is outstanding Dummy status is easy to appear gap between busbar, and closure is poor, this considerably increases the contact resistance of busbar, is easy to make to lead Electric discharge cause thermal damage.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of high-strength sealed formula bus duct, solves bus The poor problem of slot closure.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of high-strength sealed formula bus duct, including The opposite face of first bus duct and the second bus duct, first bus duct and the second bus duct is fixedly connected to busbar, The upper and lower surfaces of two busbars are connected with connection sheet, and the quantity of the connection sheet is eight, and every Two connection sheets are one group, and the opposite face of connection sheet described in four groups connects with the upper and lower surfaces activity of insulating barrier respectively It connects, through there is fastening bolt, the bottom end of the fastening bolt is threaded with fastening nut, described tight at the middle part of the connection sheet Gu the upper surface of nut is fixedly connected with the first closing gripping block, the surface of the fastening bolt is interior with the first closing gripping block Portion is flexibly connected, and the surface activity on the fastening bolt top is connected with the second closing gripping block, the second closing gripping block Middle part offer pressure diffusion slot, the surface activity on the fastening bolt top is connected with pressure diffusion plate, and the pressure expands The surface fallen apart is flexibly connected with the inner wall of pressure diffusion slot, and the upper surface of the fastening bolt is fixedly connected with fastening bolt The outside of the second closing gripping block, first bus duct and second are run through and extended in the top of head, the fastening bolt head The upper and lower surfaces of bus duct are fixedly connected to bearing, and the inner wall of the bearing inner race is fixedly connected with butterfly bolt, The surface of the butterfly bolt is threaded with nut, and the upper and lower surfaces of first bus duct and the second bus duct are equal It is fixedly connected with support plate, the support plate offers sliding groove, the inside of the sliding groove close to the one side of butterfly bolt It is connected with sliding bar, the one end of the sliding bar far from sliding groove is fixedly connected with the surface of nut, and the nut is separate The one side of sliding bar is fixedly connected with connecting rod, and the connecting rod is fixedly connected with additional lock far from the lower surface of nut one end Tight block, the quantity of the auxiliary clamp block are four, and four auxiliary clamp blocks are divided into two groups, auxiliary clamp block described in two groups Opposite face respectively with first closing gripping block and second closing gripping block back be flexibly connected.

Preferably, the busbar is made of four conductive bars, and the spacing between four conductive bars is equal.

Preferably, the cross section of the insulating barrier is greater than the cross section of connection sheet.

Preferably, the size of pressure diffusion slot cross section is adapted with the size of pressure diffusion plate cross section.

Preferably, the height of the butterfly bolt and the height of sliding groove are equal.

Preferably, setting is adjoined on the surface of the connection sheet and the surface of busbar.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of high-strength sealed formula bus duct, has following beneficial to effect Fruit:

1, high-strength sealed formula bus duct, by being provided with the first closing gripping block, the second closing gripping block, fastening spiral shell Bolt and fastening bolt head turn fastening bolt head and drive fastening bolt rotation, and fastening bolt drives pressure diffusion plate to move down, So that the first closing gripping block and the second closing gripping block collective effect fasten busbar middle part, to realize Gap in the middle part of busbar and connection sheet reduces.

2, the high-strength sealed formula bus duct is turned by being provided with butterfly bolt, nut, connecting rod and auxiliary clamp block Dynamic butterfly bolt drives nut to move down, to drive auxiliary clamp block to the first closing gripping block and second by connecting rod The both ends of closing gripping block carry out closing fastening, so that the gap for realizing busbar and connection sheet both ends reduces, reach bus The high-strength sealed of slot.

Detailed description of the invention

Fig. 1 is the utility model structure front view；

Fig. 2 is the utility model structure front elevational view；

Fig. 3 bows for the closing clamping block structure of the utility model first and cuts open figure.

In figure: 1 first bus duct, 2 second bus ducts, 3 busbars, 4 connection sheets, 5 insulating barriers, 6 fastening bolts, 7 are tightly Gu nut, 8 first closing gripping blocks, 9 second closing gripping blocks, 10 pressure diffusion slots, 11 pressure diffusion plates, 12 fastening bolts Head, 13 bearings, 14 butterfly bolts, 15 nuts, 16 support plates, 17 sliding grooves, 18 sliding bars, 19 connecting rods, 20 auxiliary clamp blocks.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, a kind of high-strength sealed formula bus duct, including the first bus duct 1 and the second bus duct 2, first The opposite face of bus duct 1 and the second bus duct 2 is fixedly connected to busbar 3, and busbar 3 is made of four conductive bars, and four Spacing between a conductive bar is equal, and the upper and lower surfaces of two busbars 3 are connected with connection sheet 4, connection sheet 4 Surface and the surface of busbar 3 adjoin setting, connection sheet 4 is attached to busbar 3, the quantity of connection sheet 4 Be eight, and every two connection sheet 4 be one group, the opposite face of four groups of connection sheets 4 respectively with the upper surface of insulating barrier 5 and following table Face is flexibly connected, and the cross section of insulating barrier 5 is greater than the cross section of connection sheet 4, guarantees that insulating barrier 5 can be complete by connection sheet 4 Portion's barrier, through there is fastening bolt 6, the bottom end of fastening bolt 6 is threaded with fastening nut 7, fastens spiral shell at the middle part of connection sheet 4 The upper surface of mother 7 is fixedly connected with the first closing gripping block 8, and the surface of fastening bolt 6 and the inside of the first closing gripping block 8 are living Dynamic connection, the surface activity on 6 top of fastening bolt are connected with the second closing gripping block 9, and the middle part of the second closing gripping block 9 opens up Have a pressure diffusion slot 10, the surface activity on 6 top of fastening bolt is connected with pressure diffusion plate 11, the surface of pressure diffusion plate 11 with The inner wall of pressure diffusion slot 10 is flexibly connected, the size of 10 cross section of pressure diffusion slot and the size of 11 cross section of pressure diffusion plate It is adapted, allows pressure diffusion plate 11 inside pressure diffusion slot 10, the upper surface of fastening bolt 6 is fixedly connected with fastening The outside of the second closing gripping block 9 is run through and is extended at the top of bolt head 12, fastening bolt head 12, is provided with the first closing folder Tight block 8, second closes gripping block 9, fastening bolt 6 and fastening bolt head 12, turns fastening bolt head 12 and drives 6 turns of fastening bolt Dynamic, fastening bolt 6 drives pressure diffusion plate 11 to move down, so that the first closing gripping block 8 and the second closing gripping block 9 Collective effect in the middle part of busbar 3 to fastening, so that the gap for realizing 4 middle part of busbar 3 and connection sheet reduces, first is female The upper and lower surfaces of wire casing 1 and the second bus duct 2 are fixedly connected to bearing 13, and the inner wall of 13 inner ring of bearing is fixedly connected There is butterfly bolt 14, the surface of butterfly bolt 14 is threaded with nut 15, the upper table of the first bus duct 1 and the second bus duct 2 Face and lower surface are fixedly connected to support plate 16, and support plate 16 offers sliding groove 17 close to the one side of butterfly bolt 14, The height of butterfly bolt 14 is equal with the height of sliding groove 17, and nut 15 is moved up and down on 14 surface of butterfly bolt, The internal activity of sliding groove 17 is connected with sliding bar 18, and the one end of sliding bar 18 far from sliding groove 17 and the surface of nut 15 are fixed Connection guarantees that nut 15 will not be rotated with the rotation of butterfly bolt 14, and one side of the nut 15 far from sliding bar 18 is fixed to be connected It is connected to connecting rod 19, connecting rod 19 is fixedly connected with auxiliary clamp block 20, auxiliary clamp block far from the lower surface of 15 one end of nut 20 quantity be four, it is two groups that four auxiliary clamp blocks 20, which are divided to, the opposite face of two groups of auxiliary clamp blocks 20 respectively with the first envelope The back for closing gripping block 8 and the second closing gripping block 9 is flexibly connected, and is provided with butterfly bolt 14, nut 15,19 and of connecting rod Auxiliary clamp block 20, rotation butterfly bolt 14 drives nut 15 to move down, to drive auxiliary clamp block by connecting rod 19 The both ends of 20 pair of first closing gripping block 8 and the second closing gripping block 9 carry out closing fastening, to realize busbar 3 and connect The gap at 4 both ends of contact pin reduces.

When in use, fastening bolt head 12 is turned, fastening bolt head 12 drives fastening bolt 6 to rotate, due to fastening nut 7 It is fixedly connected with the first closing gripping block 8, therefore fastening bolt 6 and fastening bolt head 12 move down while rotating, and squeeze Pressure pressure diffuser plate 11 moves down, so that the second closing gripping block 9 be driven to squeeze busbar 3 and connection sheet 4, turns Butterfly bolt 14, the rotation of butterfly bolt 14 drive nut 15 to rotate, and the sliding bar 18 that 15 surface of nut is fixedly connected is in sliding groove Under 17 barrier, so that nut 15 can not be rotated with the rotation of butterfly bolt 14, therefore nut 15 turns with butterfly bolt 14 It moves and moves up and down, to drive auxiliary clamp block 20 to move down by connecting rod 19, to the first closing gripping block 8 and second The both ends of closing gripping block 9 carry out closing fastening.

In conclusion the high-strength sealed formula bus duct, is clamped by being provided with the first closing closing of gripping block 8, second Block 9, fastening bolt 6 and fastening bolt head 12 turn fastening bolt head 12 and fastening bolt 6 are driven to rotate, and fastening bolt 6 is with dynamic pressure Power diffuser plate 11 moves down, so that the first closing gripping block 8 and the second closing 9 collective effect of gripping block are to busbar 3 Middle part is fastened, so that the gap for realizing 4 middle part of busbar 3 and connection sheet reduces, by being provided with butterfly bolt 14, spiral shell Cap 15, connecting rod 19 and auxiliary clamp block 20, rotation butterfly bolt 14 drives nut 15 to move down, to pass through connecting rod 19 Auxiliary clamp block 20 is driven to carry out closing fastening to the both ends of the first closing gripping block 8 and the second closing gripping block 9, to realize The gap at busbar 3 and connection sheet 4 both ends reduces, and reaches the high-strength sealed of bus duct, solve bus duct closure compared with The problem of difference.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of high-strength sealed formula bus duct, including the first bus duct (1) and the second bus duct (2), it is characterised in that: described The opposite face of first bus duct (1) and the second bus duct (2) is fixedly connected to busbar (3), two busbars (3) Upper and lower surfaces are connected with connection sheet (4), and the quantity of the connection sheet (4) is eight, and every two connection sheet It (4) is one group, the opposite face of connection sheet described in four groups (4) is flexibly connected with the upper and lower surfaces of insulating barrier (5) respectively, Through having fastening bolt (6), the bottom end of the fastening bolt (6) is threaded with fastening nut at the middle part of the connection sheet (4) (7), the upper surface of the fastening nut (7) is fixedly connected with the first closing gripping block (8), the surface of the fastening bolt (6) It is connect with the internal activity of the first closing gripping block (8), the surface activity on fastening bolt (6) top is connected with the second closing Gripping block (9), it is described second closing gripping block (9) in the middle part of offer pressure diffusion slot (10), fastening bolt (6) top Surface activity be connected with pressure diffusion plate (11), the inner wall on the surface of the pressure diffusion plate (11) and pressure diffusion slot (10) It is flexibly connected, the upper surface of the fastening bolt (6) is fixedly connected with fastening bolt head (12), the fastening bolt head (12) The outside of the second closing gripping block (9) is run through and is extended at top, first bus duct (1) and the second bus duct (2) it is upper Surface and lower surface are fixedly connected to bearing (13), and the inner wall of bearing (13) inner ring is fixedly connected with butterfly bolt (14), the surface of the butterfly bolt (14) is threaded with nut (15), first bus duct (1) and the second bus duct (2) upper and lower surfaces are fixedly connected to support plate (16), and the one of the support plate (16) close butterfly bolt (14) Side offers sliding groove (17), and the internal activity of the sliding groove (17) is connected with sliding bar (18), the sliding bar (18) One end far from sliding groove (17) is fixedly connected with the surface of nut (15), side of the nut (15) far from sliding bar (18) Face is fixedly connected with connecting rod (19), and the connecting rod (19) is fixedly connected with additional lock far from the lower surface of nut (15) one end Tight block (20), the quantity of the auxiliary clamp block (20) are four, and four auxiliary clamp blocks (20) are divided into two groups, two groups of institutes The opposite face for stating auxiliary clamp block (20) is living with the back of the first closing gripping block (8) and the second closing gripping block (9) respectively Dynamic connection.

2. a kind of high-strength sealed formula bus duct according to claim 1, it is characterised in that: the busbar (3) is by four A conductive bar composition, and the spacing between four conductive bars is equal.

3. a kind of high-strength sealed formula bus duct according to claim 1, it is characterised in that: the insulating barrier (5) Cross section is greater than the cross section of connection sheet (4).

4. a kind of high-strength sealed formula bus duct according to claim 1, it is characterised in that: the pressure diffusion slot (10) The size of cross section is adapted with the size of pressure diffusion plate (11) cross section.

5. a kind of high-strength sealed formula bus duct according to claim 1, it is characterised in that: the butterfly bolt (14) Height is equal with the height of sliding groove (17).

6. a kind of high-strength sealed formula bus duct according to claim 1, it is characterised in that: the table of the connection sheet (4) Setting is adjoined on the surface of face and busbar (3).