CN222620627U - A tubular busbar terminal - Google Patents

Abstract

The utility model discloses a tubular bus terminal, comprising a tubular bus main body, an equipment connector and a through hole, wherein the tubular bus main body is embedded in the equipment connector through the through hole, an equipment terminal is arranged at the bottom of the equipment connector, both sides of the equipment connector are fixed to the tubular bus main body by two first bolts, a screw head is welded to one end of the first bolt away from the equipment connector, a waterproof protection box is arranged on the outside of the two first bolts, and two clamping components convenient for installation are arranged inside each waterproof protection box. By arranging a waterproof protection box outside the two first bolts, pulling two handles, the two handles drive the slide bar to slide in the inner circle of the slide hole, and then the waterproof protection box is clamped on the outside of the two first bolts, and the slide bar and the arc-shaped clamping block are reset by the elastic force of the reset spring, the waterproof protection box is easy to install, thereby avoiding the first bolts from being exposed to the outside and rusting, and improving the safety of the tubular bus terminal connection.

Description

Tubular busbar terminal

Technical Field

The utility model relates to a tubular bus terminal, and belongs to the technical field of tubular bus terminals.

Background

The tubular bus bar terminal refers to an accessory attached to the electrical equipment at the end of a solid insulated tubular bus bar system, which is referred to as a "tubular cable" in foreign countries. The tubular insulated bus has the characteristics of high current (12000A), high mechanical strength, good insulation, wide application range and the like, so that the tubular insulated bus is accepted and accepted by more and more customers. In foreign countries, the products have operation histories and experiences for decades, and in China, due to the short time for entering the field, technical research and development capability, limitation of insulating materials and other reasons, only products with the voltage level of 35kV and below can be produced.

In the prior art, as in the 'tubular busbar terminal connection structure' of the Chinese patent No. CN 211150858 U6, the terminal connection structure comprises a rectangular flexible connection, a hole expanding end and an equipment wiring terminal, wherein the hole expanding end is formed by a hydraulic forming machine for expanding the end of a circular tube of the terminal tubular busbar and pressing the expanded tube wall into a regular polygon tube end, the side wall of the hole expanding end is provided with a bolt hole, the rectangular flexible connection is provided with a bolt hole corresponding to the side wall of the hole expanding end, one end of the rectangular flexible connection is fixedly connected with the hole expanding end through a bolt penetrating through the bolt hole of the rectangular flexible connection and the hole expanding end, and the other end of the rectangular flexible connection is fixedly connected with the equipment wiring terminal. The tubular bus terminal connection structure has the advantages that according to the characteristics of strong stretchability and expansibility of the metal conductive pipe, the terminal connection structure of the tubular bus is uniformly and firmly connected with the butt-jointed rectangular flexible connection in a manner of directly fastening the terminal of the tubular bus by using the skin effect principle of the surface of the tubular bus without greatly changing the surface area and the sectional area of the tubular bus, and the terminal connection structure of the tubular bus can be uniformly connected with the terminal of the tubular bus by pressing different numbers of equilateral planes according to the number of the contact surfaces of the terminal of the equipment, so that the consumption of the pipe is effectively reduced, the production cost is reduced, and the terminal connection structure has the characteristics of simple structure, good contact, no higher temperature rise than a conductor per se in operation, convenience in installation, lower cost and the like.

However, in the prior art, the existing tubular busbar terminal is widely used, industries like a transformer substation and a converter station are contacted, the basic connection modes of the tubular busbar terminal are all connected through bolts and nuts, if no protection measures are adopted for the bolts and nuts, corrosion and rust can be accelerated when the tubular busbar terminal is exposed to water or exposed to the outside for a long time, and therefore connection of the tubular busbar terminal is affected, and the service life is reduced.

Disclosure of utility model

The utility model aims to solve the problems in the prior art and overcome the defects in the prior art, and designs a tubular bus terminal.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

The utility model provides a tubular busbar terminal, includes tubular busbar main part, equipment connector and through-hole, the tubular busbar main part is through in the through-hole embedding equipment connector, the bottom of equipment connector is provided with equipment binding post, the both sides of equipment connector are all fixed with tubular busbar main part through two first bolts, the one end that equipment connector was kept away from to first bolt all welds the spiral shell head, two the outside of first bolt all is provided with waterproof protection box, every waterproof protection box is inside all to be provided with two clamping components of easy to assemble.

Preferably, the two waterproof protection boxes are respectively arranged at two sides of the equipment connector, and sliding holes are respectively formed in two sides of each waterproof protection box.

Preferably, the clamping assembly comprises slide bars, and the slide bars slide on the slide Kong Najuan.

Preferably, the arc-shaped clamping block is welded on the inner side of the sliding rod, the handle is welded on the outer side of the sliding rod, a reset spring is fixedly arranged between the arc-shaped clamping block and the handle, and the reset spring inner ring is sleeved on the outer ring of the sliding rod.

Preferably, the two clamping assemblies are reversely arranged, and the two arc-shaped clamping blocks are matched with the two first bolts.

Preferably, two sealing rings are fixedly arranged on the inner side wall of the waterproof protection box, the two sealing rings are respectively sleeved on the outer ring of the sliding rod, and the top of the waterproof protection box is fixedly connected with a box cover.

Preferably, the outside of lid is provided with the dampproof plate through the second bolt fastening, the dampproof plate is located between two clamping components, the arc tangent plane has been seted up to dampproof plate both sides, tangent plane and spiral shell head periphery looks adaptation.

The utility model has the beneficial effects that:

Through setting up waterproof protection box in two first bolt outsides, rethread two clamping components are fixed, through outside pulling two handles, two the handle drives the slide bar and slides at smooth Kong Najuan, and with waterproof protection box joint outside two first bolts, loose two handles, drive slide bar and arc fixture block through reset spring's elasticity and reset, make two arc fixture block joints at two first bolt outer lane, waterproof protection box simple to operate, the moisture can be adsorbed to the rethread dampproof plate, keep the dryness of first bolt to avoided first bolt to be contacted by the rainwater or expose at outer rust, delayed the corruption, improve tubular busbar terminal connection's safety.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of the device connector shown in FIG. 1;

Fig. 3 is a schematic view of the internal structure of the waterproof protection case shown in fig. 1.

The waterproof and waterproof device comprises a tubular bus body, a device connector, a device wiring terminal, a through hole, a first bolt, a screw head, a waterproof protection box, a clamping assembly, a sliding rod, a 72 arc-shaped clamping block, a 73 handle, a 74 reset spring, a 8 sliding hole, a 9 sealing ring, a 10 box cover, a 11 second bolt, a 12 dampproof plate and a waterproof protection box.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

Example 1

As shown in fig. 1-3, the tubular bus terminal provided by the utility model comprises a tubular bus main body 1, an equipment connector 2 and a through hole 3, wherein the tubular bus main body 1 is embedded into the equipment connector 2 through the through hole 3, the bottom of the equipment connector 2 is provided with an equipment wiring terminal 02, two sides of the equipment connector 2 are fixed with the tubular bus main body 1 through two first bolts 4, one ends of the first bolts 4 far away from the equipment connector 2 are welded with screw heads 5, waterproof protection boxes 6 are arranged on the outer sides of the two first bolts 4, and two clamping assemblies 7 convenient to install are arranged inside each waterproof protection box 6.

In this embodiment, tubular busbar body 1, equipment connector 2 and through-hole 3, tubular busbar body 1 passes through in through-hole 3 embedding equipment connector 2, the bottom of equipment connector 2 is provided with equipment binding post 02, make tubular busbar body 1 and equipment connector 2 fix through a plurality of first bolts 4, it rotates first bolt 4 more conveniently to set up spiral shell head 5, first bolt 4 and spiral shell head 5 expose outside equipment connector 2, the time has been for a long time or has the ageing rust of wind and rain can lead to first bolt 4 or lead to tubular busbar body 1 and equipment connector 2 to connect loosely, set up waterproof protection box 6 outside first bolt 4, two clamping components 7 of rethread install, improve tubular busbar body 1 and equipment connector 2 and connect stability.

Example 2

As shown in fig. 1-3, compared with embodiment 1, the present utility model further includes two waterproof protection boxes 6 respectively disposed at two sides of the device connector 2, sliding holes 8 are respectively provided at two sides of the waterproof protection boxes 6, the clamping components 7 include sliding rods 71, the sliding rods 71 slide at inner rings of the sliding holes 8, arc clamping blocks 72 are welded at inner sides of the sliding rods 71, handles 73 are welded at outer sides of the sliding rods 71, a return spring 74 is fixedly disposed between the arc clamping blocks 72 and the handles 73, an inner ring of the return spring 74 is sleeved on an outer ring of the sliding rods 71, two clamping components 7 are reversely disposed, the two arc clamping blocks 72 are adapted to two first bolts 4, two sealing rings 9 are fixedly disposed at inner side walls of the waterproof protection boxes 6 and are respectively sleeved at outer rings of the sliding rods 71, a box cover 10 is fixedly connected at top of the waterproof protection boxes 6, a moisture-proof plate 12 is fixedly disposed at outer sides of the box cover 10 through second bolts 11, the moisture-proof plate 12 is disposed between the two clamping components 7, and two sides of the moisture-proof plate 12 are provided with arc-shaped sections and adapted to the outer circumferences of the screw heads 5.

In this embodiment, clamping assembly 7 includes slide bar 71, slide bar 71 all slides at slide hole 8 inner circle, the welding of slide bar 71 inboard has arc fixture block 72, slide bar 71 outside welding has handle 73, set up arc fixture block 72, make things convenient for two corresponding arc fixture blocks 72 to block two first bolt 4, set up handle 73 and conveniently drag slide bar 71, fixedly be provided with reset spring 74 between arc fixture block 72 and handle 73, produce a pressure to arc fixture block 72 through reset spring 74, when not pulling handle 73, drive slide bar 71 and arc fixture block 72 through reset spring 74's elasticity and reset, two arc fixture block 72 joint is at two first bolt 4 outer lane, set up second bolt 11 in order to install dampproof plate 12 inside waterproof protection box 6, help improving the inside desiccation of waterproof protection box 6, arc tangent plane has been seted up through dampproof plate 12 both sides, can further carry out spacingly to the installation of waterproof protection box 6, waterproof protection box 6 is installed and the dismantlement is convenient, and then improve tubular busbar terminal connection's safety.

When the waterproof protection box is used, firstly, the tubular bus body 1 is inserted into the equipment connector 2 through the through hole 3, then the first bolts 4 are fixed, then the first bolts 4 at two sides of the equipment connector 2 are protected through the waterproof protection box 6, the two handles 73 drive the sliding rod 71 to slide at the inner ring of the sliding hole 8 by pulling the two handles 73 outwards, the two handles 73 are loosened, the sliding rod 71 and the arc-shaped clamping blocks 72 are driven to reset through the elastic force of the reset spring 74, the two arc-shaped clamping blocks 72 are clamped at the outer rings of the two first bolts 4, the waterproof protection box 6 is convenient to install and detach, the first bolts 4 are prevented from being contacted by rainwater or exposed outside rust, corrosion is delayed, and the safety and stability of the connection of the tubular bus terminal are improved.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims (7)

1. The tubular bus terminal comprises a tubular bus main body (1), a device connector (2) and a through hole (3), and is characterized in that the tubular bus main body (1) is embedded into the device connector (2) through the through hole (3), device wiring terminals (02) are arranged at the bottom of the device connector (2), two sides of the device connector (2) are fixed with the tubular bus main body (1) through two first bolts (4), screw heads (5) are welded at one ends, far away from the device connector (2), of the first bolts (4), waterproof protection boxes (6) are arranged at the outer sides of the two first bolts (4), and two clamping assemblies (7) convenient to install are arranged inside the waterproof protection boxes (6).

2. A tubular busbar terminal according to claim 1, characterised in that two waterproof protection boxes (6) are arranged on both sides of the device connector (2), respectively, and slide holes (8) are provided on both sides of the waterproof protection boxes (6).

3. A tubular busbar termination according to claim 1, wherein the clamping assembly (7) comprises sliding bars (71), the sliding bars (71) each sliding in the inner ring of the sliding hole (8).

4. A tubular busbar terminal according to claim 3, wherein an arc-shaped clamping block (72) is welded on the inner side of the sliding rod (71), a handle (73) is welded on the outer side of the sliding rod (71), a return spring (74) is fixedly arranged between the arc-shaped clamping block (72) and the handle (73), and the inner ring of the return spring (74) is sleeved on the outer ring of the sliding rod (71).

5. A tubular busbar termination according to claim 4, characterised in that two clamping assemblies (7) are arranged in opposite directions, both of the arc-shaped clamping blocks (72) being adapted to both first bolts (4).

6. The tubular busbar terminal according to claim 1, wherein two sealing rings (9) are fixedly arranged on the inner side wall of the waterproof protection box (6), the two sealing rings (9) are respectively sleeved on the outer ring of the sliding rod (71), and a box cover (10) is fixedly connected to the top of the waterproof protection box (6).

7. The tubular busbar terminal according to claim 6, wherein a moisture-proof plate (12) is fixedly arranged on the outer side of the box cover (10) through a second bolt (11), the moisture-proof plate (12) is located between the two clamping assemblies (7), arc-shaped tangential planes are formed in two sides of the moisture-proof plate (12), and the tangential planes are matched with the periphery of the screw head (5).