CN214227368U - Double-shielding contact box - Google Patents

Abstract

The utility model discloses a double-shielding contact box, which comprises a contact box body, a fixed contact and a clamping device, a high-voltage potential shielding cylinder is embedded in the inner wall of the contact box body, a threaded hole is arranged on the static contact, the clamping device is mainly used for clamping the static contact, different static contacts can be installed according to the current of the electrified bus, the clamping device is positioned in the contact box body, when the double-shielding contact box is used, the static contact is placed on the pushing rod and is inserted and connected on the limiting column, so that the pushing rod is inserted on the poking plate to send the static contact into the first mounting hole, the poking plate is screwed to enable the clamping barrel to rotate and rise, the extrusion ring extrudes the clamping rod, the clamping rod drives the clamping piece to clamp the static contact, the double-shielding contact box can replace the proper static contact according to buses with different electrified currents when in use, and the double-shielding contact box is very convenient to use.

Description

Double-shielding contact box

Technical Field

The utility model relates to a contact box technical field specifically is a double-shielded contact box.

Background

The contact box is used for various handcart type switch cabinets, and can realize the isolation between a breaker chamber in the switch cabinet and a bus chamber and a cable chamber.

The static contact is arranged in the contact box, the existing static contact cannot be detached and replaced, and when a bus is installed, the proper static contact cannot be replaced according to the size of the electrified current, so that the use is very inconvenient. To this end, we propose a double-shielded contact box.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-shielded contact box convenient to installation not equidimension static contact to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-shielding contact box comprises a contact box body, a fixed contact and a clamping device, wherein a high-voltage potential shielding cylinder is embedded in the inner wall of the contact box body, a threaded hole is formed in the fixed contact, the clamping device is mainly used for clamping the fixed contact, different fixed contacts can be installed according to the current of a bus electrified, and the clamping device is located inside the contact box body.

Preferably, a first mounting hole and a first mounting groove are formed in the contact box body, the static contact can be mounted through the first mounting hole, and a clamping device is mounted in the first mounting groove.

Preferably, clamping device is including installation piece and clamping bar, the installation piece is equipped with a plurality ofly, and is a plurality of the installation piece is in first mounting groove, and one end is fixed with the contact box body, clamping bar slides and passes the installation piece, and during one end wears into first mounting hole, the fixed spring that is equipped with on the installation piece, the spring cup joints on clamping bar, and one end fixed mounting ring that is equipped with, the mounting ring is fixed on clamping bar, threaded connection has a clamping cylinder on the contact box body inner wall, clamping cylinder top fixed mounting has the extrusion ring, the extrusion ring slides with clamping bar one end and offsets, the extrusion ring is established to the inclined plane with clamping bar's contact position, clamping cylinder bottom fixed mounting has a plurality of stirring boards, can drive clamping cylinder through stirring the board and rotate and rise.

Preferably, a plurality of pushing rods are inserted on the poking plates in a sliding mode, limiting columns are fixedly installed at the top ends of the pushing rods, and the static contacts can be installed in the first installation holes through the pushing rods.

Preferably, the clamping rod is fixedly provided with a clamping piece at one end in the first mounting hole, the clamping piece is provided with a plurality of anti-skid grains, the clamping piece abuts against the static contact, the inner wall of the contact box body in the first mounting hole is provided with a plurality of second mounting grooves, the clamping piece is inserted in the second mounting grooves in a sliding mode, the clamping piece can be contained in the second mounting grooves through the second mounting grooves, and the clamping piece cannot be blocked when the static contact is conveyed into the first mounting hole.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses when using, through putting the static contact on the push rod, and plug in on spacing post, make the catch bar insert on dialling the board, send into the static contact in the first mounting hole, twist and dial the board and make and press from both sides tight section of thick bamboo rotation and rise, make extrusion ring extrusion clamp bar, make clamp bar drive clamping piece and press from both sides the static contact tightly, this double-shielded contact box can change suitable static contact according to the generating line of circular telegram electric current variation in size when using, it is very convenient to use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is a schematic view of the installation of the static contact in the structure of the present invention;

fig. 5 is a schematic view of the push rod of the present invention.

In the figure: 1-contact box body; 2-high voltage potential shielding cylinder; 3, static contact; 4-a threaded hole; 5-a clamping device; 6-a first mounting hole; 7-a first mounting groove; 8, mounting a block; 9-clamping the rod; 10-a spring; 11-a mounting ring; 12-a clamping cylinder; 13-an extrusion ring; 14-a toggle plate; 15-a push rod; 16-a limiting column; 17-a clip; 18-anti-skid lines; 19-a second mounting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a double-shielding contact box comprises a contact box body 1, a fixed contact 3 and a clamping device 5, wherein a high-voltage potential shielding cylinder 2 is embedded in the inner wall of the contact box body 1, a threaded hole 4 is formed in the fixed contact 3, the clamping device 5 is mainly used for clamping the fixed contact 3, different fixed contacts 3 can be installed according to the current of a bus in power-on, and the clamping device 5 is located inside the contact box body 1.

A first mounting hole 6 and a first mounting groove 7 are formed in the contact box body 1.

Clamping device 5 is including installation piece 8 and clamp rod 9, installation piece 8 is equipped with a plurality ofly, and is a plurality of installation piece 8 is in first mounting groove 7, and one end is fixed with contact box body 1, it slides and passes installation piece 8 to press from both sides tight rod 9, and one end wears into first mounting hole 6, the fixed spring 10 that is equipped with on the installation piece 8, spring 10 cup joints on pressing from both sides tight rod 9, and one end is fixed and is equipped with collar 11, collar 11 is fixed on pressing from both sides tight rod 9, threaded connection has a clamping barrel 12 on the contact box body 1 inner wall, 12 top of clamping barrel are fixed and are equipped with extrusion ring 13, extrusion ring 13 and the sliding counterbalance of clamp rod 9 one end, extrusion ring 13 establishes to the inclined plane with the contact position of pressing from both sides tight rod 9, 12 bottom mounting of clamping barrel is equipped with a plurality of stirring boards 14.

A plurality of pushing rods 15 are inserted on the poking plates 14 in a sliding mode, and limiting columns 16 are fixedly installed at the top ends of the pushing rods 15.

Clamping piece 17 is fixedly installed at one end of clamping rod 9 in first mounting hole 6, a plurality of anti-skidding lines 18 are arranged on clamping piece 17, clamping piece 17 abuts against static contact 3, a plurality of second mounting grooves 19 are arranged on the inner wall of contact box body 1 in first mounting hole 6, and clamping piece 17 is inserted in second mounting grooves 19 in a sliding mode.

The utility model discloses a theory of use is: the static contact 3 is inserted on the limiting column 16, the pushing rod 15 is inserted on the toggle plate 14, the pushing rod 15 is pushed to push the static contact 3 into the first mounting hole 6, the toggle plate 14 is toggled, the clamping cylinder 12 rotates and rises, the extrusion ring 13 extrudes the clamping rod 9, the clamping piece 17 is in contact with the static contact 3, and the static contact 3 is clamped and fixed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A dual shield contact box, comprising:

the contact box comprises a contact box body (1), wherein a high-voltage potential shielding barrel (2) is embedded in the inner wall of the contact box body (1);

the static contact (3), the static contact (3) is provided with a threaded hole (4);

the clamping device (5) is mainly used for clamping the static contact (3), different static contacts (3) can be installed according to the current of the electrified bus, and the clamping device (5) is located inside the contact box body (1).

2. The dual shield contact box of claim 1, wherein: a first mounting hole (6) and a first mounting groove (7) are formed in the contact box body (1).

3. The dual shield contact box of claim 1, wherein: the clamping device (5) comprises a plurality of mounting blocks (8) and clamping rods (9), the mounting blocks (8) are arranged in a plurality of mounting blocks (8) in a first mounting groove (7), one end of each mounting block is fixed to the contact box body (1), the clamping rods (9) penetrate through the mounting blocks (8) in a sliding mode, one end of each clamping rod penetrates into a first mounting hole (6), springs (10) are fixedly mounted on the mounting blocks (8), the springs (10) are sleeved on the clamping rods (9), mounting rings (11) are fixedly mounted at one ends of the clamping rods (9), the mounting rings (11) are fixed to the clamping rods (9), clamping barrels (12) are connected to the inner wall of the contact box body (1) in a threaded mode, extrusion rings (13) are fixedly mounted at the top ends of the clamping barrels (12), the extrusion rings (13) are in sliding and abutting against one ends of the clamping rods (9), and contact positions of the extrusion rings (13) and the clamping rods (9) are set as inclined planes, the bottom end of the clamping cylinder (12) is fixedly provided with a plurality of poking plates (14).

4. The dual shield contact box of claim 3, wherein: a plurality of pushing rods (15) are inserted on the poking plates (14) in a sliding mode, and limiting columns (16) are fixedly installed at the top ends of the pushing rods (15).

5. The dual shield contact box of claim 3, wherein: clamping piece (17) is fixedly installed at one end of the clamping rod (9) in the first installation hole (6), a plurality of anti-skidding lines (18) are arranged on the clamping piece (17), the clamping piece (17) is abutted to the static contact (3), a plurality of second installation grooves (19) are formed in the inner wall of the contact box body (1) in the first installation hole (6), and the clamping piece (17) is inserted into the second installation grooves (19) in a sliding mode.

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