CN211046389U

CN211046389U - Low-voltage bus with jack in fire-resistant bus duct

Info

Publication number: CN211046389U
Application number: CN201921841124.7U
Authority: CN
Inventors: 何斌; 郭纪祥; 冷跃俊
Original assignee: Zhenjiang City Fenghua Electric Appliances Manufacturing Co ltd
Current assignee: Zhenjiang City Fenghua Electric Appliances Manufacturing Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-07-17
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a fire-resistant busbar groove area jack low voltage bus, including the bus duct body, the bus duct body includes inner shell and shell, the shell both sides are equipped with the copper bar, the copper bar upside all is equipped with the generating line jack, be equipped with insulating barrier between the copper bar, inner shell and shell inside part pass through buffer gear and connect. The utility model discloses when the bus duct body receives the collision, at first cushion inner shell and shell through second buffer spring, secondly the slip buffering post removes to the first buffer spring direction of extrusion, first buffer spring is compressed, thereby cushion the bus duct body, secondly first auxiliary rod and second auxiliary rod pass through first sliding block, the second sliding block takes place to remove with the cooperation of first sliding tray and second sliding tray down respectively, and then first auxiliary spring, second auxiliary spring is further compressed, thereby the bus duct body can receive fine buffering effect.

Description

Low-voltage bus with jack in fire-resistant bus duct

Technical Field

The utility model relates to a fire-resistant bus duct technical field, concretely relates to fire-resistant busway area jack low voltage bus.

Background

The fire-resistant bus duct consists of a shell coated with fire-resistant paint, a bus wrapped with fire-resistant mica tapes and a support made of fire-resistant insulating materials. The support is provided with a plurality of grooves, and the grooves are internally provided with the buses and fix the buses. A bus duct connecting box is arranged at one end of the bus duct, and a bus tapping box is arranged in the bus duct. The fire-resistant bus duct has excellent insulating property, can be continuously used in normal environment and fire environment for more than one hour, can be suitable for high-rise buildings and important facilities, and can replace fire-resistant cables to play a role in power transmission and distribution. The fire-resistant bus duct is suitable for power transmission and distribution systems with rated voltage below 690V, rated working current of 250-5000A and frequency of 50-60 Hz. After years of tests and industrial electrification operation, the electrical property, the fire resistance and the metal structure of the composite material all reach the domestic advanced level.

The existing fireproof bus duct does not have a buffering function, components in the bus duct are easy to damage after long-term use and collision, the service life of the components is shortened, and therefore the using effect of the fireproof bus duct is limited.

Chinese patent document (publication No. CN109545626A) discloses a fire-resistant bus duct, which includes a bus duct shell with an accommodating cavity therein, and a bus bar, wherein the bus bar is composed of a plurality of copper sheets arranged at intervals and penetrating through the accommodating cavity, the bus duct shell includes two parallel side plates arranged at intervals and two cover plates covering the top and bottom of the side plates, the two side plates and the two cover plates form an accommodating cavity, and a fire-resistant insulator is arranged between the copper sheets, and the fire-resistant bus duct is characterized in that: a fireproof coating is coated on one side of the two side plates and one side of the cover plate, which is far away from the accommodating cavity, and a heat insulation layer is arranged between the cover plate and the copper sheet; this bus duct does not possess buffer function, and long-term the use has limited the function of bus duct.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire-resistant busway area jack low pressure generating line to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

A refractory low-voltage bus with jacks in a bus duct comprises a bus duct body, wherein the bus duct body comprises an inner shell and an outer shell, copper bars are arranged on two sides of the outer shell, bus jacks are arranged on the upper sides of the copper bars, insulating partition plates are arranged among the copper bars, and the inner sides of the inner shell and the outer shell are connected through a buffer mechanism;

The buffer mechanism comprises a main buffer groove, the main buffer groove is connected with a sliding buffer column through a first buffer spring, the sliding buffer column is connected with an inner shell, the sliding buffer column can move in the main buffer groove, two ends of the sliding buffer column are connected with positioning rods, the two positioning rods are respectively limited with positioning grooves arranged on the inner shell, a first auxiliary rod and a second auxiliary rod are respectively arranged on two sides of the inner shell, the first auxiliary rod and the second auxiliary rod are respectively connected with a first sliding block and a second sliding block, and the first sliding block and the second sliding block are respectively arranged in the first sliding groove and the second sliding groove in a sliding manner; four buffer rods are arranged on the outer shell, a prompting mechanism is arranged on the buffer rod of the left top wall in the outer shell, and the buffer rods are connected with the inner shell through second buffer springs.

Preferably, the first sliding block and the first sliding groove are connected through a first auxiliary spring.

Preferably, the second sliding block and the second sliding groove are connected through a second auxiliary spring.

Preferably, the number of the first buffer springs is at least one.

Preferably, the prompting mechanism comprises a prompting sleeve, the left wall in the prompting sleeve is connected with a return spring, the return spring is connected with a movable plate, the movable plate is connected with a movable rod, the movable rod penetrates through a through hole formed in the prompting sleeve and is arranged outside the prompting sleeve, and an alarm is arranged outside the prompting sleeve.

Preferably, the movable plate is provided with a first contact piece close to one side of the return spring, the bottom wall in the prompt sleeve is provided with a second contact piece, the first contact piece and the second contact piece are arranged in a contact mode through the return spring, and the alarm gives an alarm when in contact.

Preferably, the moving bar is connected with the contact block.

Preferably, the contact block is of a circular configuration.

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

The utility model discloses when the bus duct body receives the collision, firstly cushion inner shell and shell through second buffer spring, secondly the slip buffering post moves to the direction of extruding first buffer spring, first buffer spring is compressed, thereby cushion the bus duct body, secondly first auxiliary rod and second auxiliary rod move under the cooperation with first sliding tray and second sliding tray respectively through first sliding block, second sliding block, and then first auxiliary spring, second auxiliary spring are further compressed, thereby the bus duct body can receive fine buffering effect; when the inner shell extrusion contact piece, the carriage release lever extrusion reset spring, reset spring compression, first contact and second contact during a certain extent, the alarm is reported to the police, and the suggestion external force effort is big this moment, needs appropriate external force of relieving to further playing the protection to the bus duct body, and then to the further protection of components and parts.

Drawings

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

Fig. 2 is a schematic view of the buffering structure of the bus duct body of the present invention;

FIG. 3 is a schematic view of the buffering structure of the main buffer slot and the sliding buffer column of the present invention;

Fig. 4 is a schematic structural view of the prompting mechanism of the present invention.

In the figure: 1. a bus duct body; 101. an inner shell; 102. a housing; 2. copper bars; 3. a bus bar jack; 4. an insulating spacer; 5. a buffer mechanism; 501. a main buffer tank; 502. a first buffer spring; 503. sliding the buffer column; 504. positioning a rod; 505. positioning a groove; 506. a first auxiliary lever; 507. a second auxiliary lever; 508. a first slider; 509. a second slider; 510. a first sliding groove; 511. a second sliding groove; 6. a first auxiliary spring; 7. a second auxiliary spring; 8. a buffer rod; 9. a prompting mechanism; 901. a prompt sleeve; 902. a return spring; 903. a travel bar; 904. moving the plate; 905. a first contact piece; 906. a second contact piece; 907. an alarm; 10. a second buffer spring; 11. and a contact block.

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. 1-4, in the present invention, a fire-resistant low-voltage bus with jacks in a bus duct includes a bus duct body 1, the bus duct body 1 includes an inner shell 101 and an outer shell 102, copper bars 2 are disposed on two sides of the outer shell 102, the upper sides of the copper bars 2 are both provided with a bus jack 3, an insulating partition plate 4 is disposed between the copper bars 2, and the inner sides of the inner shell 101 and the outer shell 102 are connected by a buffer mechanism 5; the arrangement of the buffer mechanism 5 can play a role in protecting the bus duct body 1, so that the service life of components in the bus duct is prolonged;

The buffer mechanism 5 comprises a main buffer groove 501, the main buffer groove 501 is connected with a sliding buffer column 503 through a first buffer spring 502, the sliding buffer column 503 is connected with the inner shell 101, the sliding buffer column 503 can move in the main buffer groove 501, two ends of the sliding buffer column 503 are connected with positioning rods 504, the two positioning rods 504 are respectively limited with positioning grooves 505 arranged on the inner shell 101, two sides of the inner shell 101 are respectively provided with a first auxiliary rod 506 and a second auxiliary rod 507, the first auxiliary rod 506 and the second auxiliary rod 507 are respectively connected with a first sliding block 508 and a second sliding block 509, and the first sliding block 508 and the second sliding block 509 are respectively arranged in a sliding manner in the first sliding groove 510 and the second sliding groove 511; the outer shell 102 is provided with four buffer rods 8, the buffer rod 8 on the left top wall in the outer shell 102 is provided with a prompting mechanism 9, and the other three buffer rods 8 are connected with the inner shell 101 through second buffer springs 10;

When the bus duct body 1 is collided, firstly, the inner shell 101 and the outer shell 102 are buffered through the second buffer spring 10, secondly, the sliding buffer column 503 moves towards the direction of extruding the first buffer spring 502, the first buffer spring 502 is compressed, so that the bus duct body 1 is buffered, secondly, the first auxiliary rod 506 and the second auxiliary rod 507 move under the matching of the first sliding block 508 and the second sliding block 509 with the first sliding groove 510 and the second sliding groove 511 respectively, and further, the first auxiliary spring 6 and the second auxiliary spring 7 are further compressed, so that the bus duct body 1 can have a good buffer effect;

First sliding block 508 of this embodiment is connected through first auxiliary spring 6 with first sliding tray 510, and the second sliding block 509 of this embodiment is connected through second auxiliary spring 7 with second sliding tray 511, and first auxiliary spring 6 and second auxiliary spring 7 can improve the buffering effect when bus duct body 1, then improve the protection effect to components and parts.

The number of the first buffer springs 502 in this embodiment is at least 3, which can improve the buffering effect, thereby improving the protection effect on the components.

The prompting mechanism 9 of this embodiment includes a prompting sleeve 901, the inner left wall of the prompting sleeve 901 is connected with a return spring 902, the return spring 902 is connected with a moving plate 904, the moving plate 904 is connected with a moving rod 903, the moving rod 903 passes through a through hole formed in the prompting sleeve 901 and is arranged outside the prompting sleeve 901, and an alarm 907 is arranged outside the prompting sleeve 901; a first contact 905 is arranged on one side of the moving plate 904 close to the return spring 902, a second contact 906 is arranged on the inner bottom wall of the prompt sleeve 901, the first contact 905 and the second contact 906 are arranged in a contact mode through the return spring 902, and an alarm 907 gives an alarm when the first contact 905 and the second contact 906 are in contact;

When the inner shell 101 presses the contact block 11, the moving rod 903 presses the return spring 902, the return spring 902 is compressed, the first contact 905 contacts with the second contact 906 to a certain extent, the alarm 907 gives an alarm, the external force acting force is large at the moment, and the external force needs to be properly relieved, so that the bus duct body 1 is further protected.

The moving rod 903 of the present embodiment is connected to the contact block 11, and the contact block 11 is a circular structure, so as to improve the contact effect between the contact block 11 and the inner casing 101.

The utility model discloses a theory of operation is: when the bus duct body 1 is collided, firstly, the inner shell 101 and the outer shell 102 are buffered through the second buffer spring 10, secondly, the sliding buffer column 503 moves towards the direction of extruding the first buffer spring 502, the first buffer spring 502 is compressed, so that the bus duct body 1 is buffered, secondly, the first auxiliary rod 506 and the second auxiliary rod 507 move under the matching of the first sliding block 508 and the second sliding block 509 with the first sliding groove 510 and the second sliding groove 511 respectively, and further, the first auxiliary spring 6 and the second auxiliary spring 7 are further compressed, so that the bus duct body 1 can have a good buffer effect; when the inner shell 101 extrudes the contact block 11, the moving rod 903 extrudes the return spring 902, the return spring 902 compresses, the first contact piece 905 is contacted with the second contact piece 906 to a certain extent, the alarm 907 alarms, the prompt that the external force acting force is large at the moment needs to be properly relieved, and therefore the bus duct body 1 is further protected, and further components are further protected.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The low-voltage bus with the fireproof bus duct and the jacks comprises a bus duct body (1), and is characterized in that the bus duct body (1) comprises an inner shell (101) and an outer shell (102), copper bars (2) are arranged on two sides of the outer shell (102), bus jacks (3) are arranged on the upper sides of the copper bars (2), insulating partition plates (4) are arranged among the copper bars (2), and the inner sides of the inner shell (101) and the outer shell (102) are connected through a buffer mechanism (5);

The buffer mechanism (5) comprises a main buffer groove (501), the main buffer groove (501) is connected with a sliding buffer column (503) through a first buffer spring (502), the sliding buffer column (503) is connected with an inner shell (101), the sliding buffer column (503) can move in the main buffer groove (501), two ends of the sliding buffer column (503) are connected with positioning rods (504), the two positioning rods (504) are respectively limited by positioning grooves (505) arranged on the inner shell (101), two sides of the inner shell (101) are respectively provided with a first auxiliary rod (506) and a second auxiliary rod (507), the first auxiliary rod (506) and the second auxiliary rod (507) are respectively connected with a first sliding block (508) and a second sliding block (509), and the first sliding block (508) and the second sliding block (509) are respectively arranged in a sliding mode in a first sliding groove (510) and a second sliding groove (511); four buffer rods (8) are arranged on the outer shell (102), a prompt mechanism (9) is arranged on the buffer rod (8) of the inner left top wall of the outer shell (102), and the buffer rods (8) are connected with the inner shell (101) through second buffer springs (10).

2. The low-voltage busbar with the inserting hole and the fire-resistant busway as claimed in claim 1, wherein the first sliding block (508) is connected with the first sliding groove (510) through a first auxiliary spring (6).

3. The low voltage bus bar with the fire-resistant busway and the insertion hole according to claim 1, wherein the second sliding block (509) is connected to the second sliding groove (511) by a second auxiliary spring (7).

4. The low voltage bus bar with a slot and a jack of claim 1, wherein the number of the first buffer springs (502) is at least 3.

5. The low-voltage bus with the fireproof busway and the jack according to claim 1, wherein the prompting mechanism (9) comprises a prompting sleeve (901), the inner left wall of the prompting sleeve (901) is connected with a return spring (902), the return spring (902) is connected with a movable plate (904), the movable plate (904) is connected with a movable rod (903), the movable rod (903) penetrates through a through hole formed in the prompting sleeve (901) and is arranged outside the prompting sleeve (901), and an alarm (907) is arranged outside the prompting sleeve (901).

6. The fire-resistant busway low-voltage bus with the jack as claimed in claim 5, wherein the moving plate (904) is provided with a first contact (905) at one side close to the return spring (902), a second contact (906) is arranged at the bottom wall of the prompting sleeve (901), the first contact (905) and the second contact (906) are arranged in a contact manner through the return spring (902), and an alarm (907) gives an alarm when the first contact (905) and the second contact (906) are in contact.

7. The low voltage busbar according to claim 5, wherein the moving bar (903) is connected to the contact block (11).

8. The low voltage busbar of claim 7 wherein said contact block (11) is of circular configuration.