CN219535539U - Explosion-proof junction box - Google Patents
Explosion-proof junction box Download PDFInfo
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- CN219535539U CN219535539U CN202320784123.3U CN202320784123U CN219535539U CN 219535539 U CN219535539 U CN 219535539U CN 202320784123 U CN202320784123 U CN 202320784123U CN 219535539 U CN219535539 U CN 219535539U
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- junction box
- box body
- explosion
- connecting flange
- transition
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The utility model discloses an explosion-proof junction box, which comprises a junction box body, a junction bolt arranged in the junction box body, a horn mouth connected with the junction box body, and further comprises: the accommodating cylinder is arranged on the junction box body, is hollow in the accommodating cylinder and is communicated to the interior of the junction box body and is used for accommodating the cable head; the transition wiring fill, its one end can be dismantled and set up the holding section of thick bamboo deviates from the one end of terminal box body, the transition wiring fill other end with the horn mouth can be dismantled and be connected. The explosion-proof junction box provided by the utility model can increase the wiring space, is convenient for motor maintenance and improves the working efficiency.
Description
Technical Field
The utility model belongs to the technical field of motors, and particularly relates to an explosion-proof junction box.
Background
As shown in fig. 1, the explosion-proof junction box in the prior art includes a junction box body 100, a junction bolt 200 provided in the junction box body 100, and a bell mouth 300 connected with the junction box body 100, and external electric wires are introduced into the junction box through the bell mouth 100. The conventional bell mouth 300 is directly mounted on a junction box base, which is connected to a motor housing by countersunk screws.
However, the above structure has the following drawbacks:
(1) The space of the junction box is smaller, and the wiring is more difficult;
(2) The motor is difficult to disassemble and inspect, the junction box is required to be disassembled, the cable head is easy to damage after the junction box is disassembled, the problem that the cable head needs to be manufactured again is caused, the efficiency is low, and the production cost is further improved.
The present utility model has been made in order to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide an explosion-proof junction box, which increases the wiring space and improves the working efficiency.
Based on the problems, the technical scheme provided by the utility model is as follows:
the utility model provides an explosion-proof terminal box, includes the terminal box body, sets up terminal bolt in the terminal box body and with the horn mouth of terminal box body coupling still includes:
the accommodating cylinder is arranged on the junction box body, is hollow in the accommodating cylinder and is communicated to the interior of the junction box body and is used for accommodating the cable head;
the transition wiring fill, its one end can be dismantled and set up the holding section of thick bamboo deviates from the one end of terminal box body, the transition wiring fill other end with the horn mouth can be dismantled and be connected.
In some embodiments, the accommodating cylinder is provided with a first connecting flange, the transition junction bucket is provided with a second connecting flange matched with the first connecting flange, and the first connecting flange and the second connecting flange are connected through a plurality of first connecting pieces.
In some embodiments, a first boss portion extending into the accommodating cylinder is arranged at one end of the transition wire bucket, which is connected with the accommodating cylinder.
In some embodiments, a first sealing ring is arranged between the first connecting flange and the second connecting flange.
In some embodiments, a third connecting flange is arranged on the transition wire bucket, a fourth connecting flange is arranged on the bell mouth, and the third connecting flange and the fourth connecting flange are connected through a plurality of second connecting pieces.
In some embodiments, the end of the flare, which is connected with the transition wire bucket, is provided with a second boss part extending into the transition wire bucket.
In some embodiments, a sealing ring is arranged between the bell mouth and the transition wire bucket, one axial end of the sealing ring abuts against a limiting part of the inner wall of the transition wire bucket, and the other axial end abuts against the second boss part.
In some embodiments, a retainer ring is respectively arranged between the sealing ring and the limiting part and between the sealing ring and the second boss part.
In some embodiments, the transition wire bucket is connected with a grounding post.
In some embodiments, the junction box body comprises a junction box seat and a junction box cover which are detachably connected, a third boss part extending into the junction box seat is arranged in the middle of the junction box cover, a circle of limiting boss is arranged on the periphery of the junction box cover, a step part matched with the limiting boss is arranged on the junction box seat, and a second sealing ring is arranged between the junction box cover and the junction box seat; the terminal box body with the motor frame is connected one end be equipped with extend to the fourth boss portion in the motor frame, the terminal box body with be equipped with the third sealing washer between the motor frame.
Compared with the prior art, the utility model has the advantages that:
1. the accommodating barrel and the transition wiring bucket are additionally arranged between the junction box body and the horn mouth, the cable head is placed in the accommodating barrel, and when the motor needs to be overhauled, only the horn mouth and the transition wiring bucket need to be dismantled, the junction box does not need to be dismantled, so that the overhauling efficiency is improved, and meanwhile, the wiring space is increased;
2. a sealing ring is arranged between the horn mouth and the transition junction bucket, and the horn mouth and the transition junction bucket are connected in a mounting way through a plurality of second connecting pieces, so that the tightness of the junction box can be ensured;
3. the check rings are respectively arranged between the sealing ring and the limiting part and between the sealing ring and the second boss part, so that the stability of the structure can be improved, the sealing ring is ensured to be uniformly stressed, and the deformation and the damage of the sealing ring are avoided;
4. the transition wiring bucket is connected with a grounding column, so that the use safety can be improved;
5. the junction box cover is matched with the junction box seat through the third boss part, and a circle of limiting boss is arranged on the periphery of the junction box cover, so that the protection level of the junction box can be improved through the matching with the step part on the junction box seat;
6. the junction box body is matched with the motor base through the fourth boss part, so that the stability of the structure is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an explosion-proof junction box in the prior art;
FIG. 2 is a schematic diagram of an explosion-proof junction box according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a second schematic diagram of an embodiment of the present utility model;
FIG. 6 is an enlarged view of a portion of FIG. 5 at C;
wherein:
100. a junction box body; 200. a wiring bolt; 300. a horn mouth;
1. the junction box comprises a junction box body 1-1, a junction box seat 1-1a, a step part 1-2, a junction box cover 1-2a, a third boss part 1-2b, a limit boss 1-3 and a fourth boss part;
2. a wiring bolt;
3. the accommodating cylinder 3-1 and a first connecting flange;
4. a transition wire connection bucket; 4-1, a second connecting flange; 4-2, a third connecting flange; 4-3, a first boss part 4-4 and a limiting part;
5. a horn mouth; 5-1, a fourth connecting flange; 5-2, a second boss portion;
6. a motor base;
7. a first connector;
8. a second connector;
9. a seal ring;
10. a first seal ring;
11. a second seal ring;
12. a third seal ring;
13. a retainer ring;
14. and a grounding column.
Detailed Description
The above-described aspects are further described below in conjunction with specific embodiments. It should be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. The implementation conditions used in the examples may be further adjusted according to the conditions of the specific manufacturer, and the implementation conditions not specified are generally those in routine experiments.
As shown in fig. 2 and 5, which are schematic structural views of an embodiment of the present utility model, an explosion-proof junction box is provided, which includes a junction box body 1, a junction bolt 2 disposed in the junction box body 1, and a bell mouth 5 connected with the junction box body 1, and is connected with a motor after an external cable is introduced through the bell mouth 5.
For conveniently overhauling the motor, set up holding section of thick bamboo 3 and transition wiring fill 4 between terminal box body 1 and horn mouth 5, wherein, holding section of thick bamboo 3 is fixed on terminal box body 1, and the inside cavity of holding section of thick bamboo 3 just communicates to inside the terminal box body 1 for hold the cable head, transition wiring fill 4 one end can be dismantled and fix the one end at holding section of thick bamboo 3 back off-line box body 1, and the other end and the horn mouth 5 of transition wiring fill 4 can be dismantled and be connected. So, but increase wiring space, when the motor needs to be overhauld, need not demolish the terminal box, as long as demolish horn mouth 5 and transition wiring fill 4 can, avoid the wearing and tearing of cable head, improve maintenance efficiency.
Specifically, a first connecting flange 3-1 is arranged on the accommodating cylinder 3, a second connecting flange 4-1 matched with the first connecting flange 3-1 is arranged on the transition junction bucket 4, the first connecting flange 3-1 and the second connecting flange 4-1 are connected through a plurality of first connecting pieces 7, in this example, the accommodating cylinder 3 is tapered from the junction box body 1 to the direction of the transition junction bucket 4, and the first connecting pieces 7 can be bolts.
In order to improve the protection performance of the junction box, as shown in fig. 6, a first boss portion 4-3 extending into the accommodating barrel 3 is arranged at one end of the transition junction bucket 4 connected with the accommodating barrel 3, so as to realize sealing fit between the transition junction bucket 4 and the accommodating barrel 3. In order to further improve the sealing performance of the junction box, a first sealing ring 10 is arranged between the first connecting flange 3-1 and the second connecting flange 4-1.
In this example, a third connecting flange 4-2 is provided on the transition wire bucket 4, a fourth connecting flange 5-1 is provided on the bell mouth 5, the third connecting flange 4-2 and the fourth connecting flange 5-1 are connected via a plurality of second connecting pieces 8, preferably, the second connecting pieces 8 can be bolts.
In order to ensure the sealing installation between the bell mouth 5 and the transition wire connecting hopper 4, a second boss part 5-2 extending into the transition wire connecting hopper 4 is arranged at one end of the bell mouth 5 connected with the transition wire connecting hopper 4.
In order to further improve the tightness of the junction box, a sealing ring 9 is arranged between the horn mouth 5 and the transition junction bucket 4, the sealing ring 9 is of an annular structure, one axial end of the sealing ring 9 abuts against the limiting part 4-4 on the inner wall of the transition junction bucket 4, and the other axial end abuts against the second boss part 5-2.
In order to avoid deformation and damage of the sealing ring 9, a retainer ring 13 is respectively arranged between the sealing ring 9 and the limiting part 4-4 and between the sealing ring 9 and the second boss part 5-2, and the retainer ring 13 is made of hard materials (such as metal) and can play a role in supporting the sealing ring 9, so that the sealing ring is uniformly stressed and is prevented from being damaged.
In this example, the grounding post 14 is connected to the transition junction box 4, so that the safety performance of the junction box can be improved.
As shown in fig. 3, the junction box body 1 includes a junction box seat 1-1 and a junction box cover 1-2 which are detachably connected, for example, the junction box seat 1-1 and the junction box cover 1-2 may be connected via a plurality of bolts. The middle part of the junction box cover 1-2 is provided with a third boss part 1-2a extending into the junction box seat 1-1, the periphery of the junction box cover 1-2 is provided with a circle of limit boss 1-2b, meanwhile, the junction box seat 1-1 is provided with a step part 1-1a matched with the limit boss 1-2b, a second sealing ring 11 is arranged between the junction box cover 1-2 and the junction box seat 1-2, and the installation structure between the junction box cover 1-2 and the junction box seat 1-1 can ensure sealing performance and improve protection level.
In order to ensure the reliability of the mounting structure between the junction box body 1 and the motor base 6, as shown in fig. 4, a fourth boss portion 1-3 extending into the motor base 6 is provided at one end of the junction box body 1 connected with the motor base 6, and a third sealing ring 12 is provided between the junction box body 1 and the motor base 6.
To sum up, this terminal box multiplicable wiring space makes things convenient for the maintenance of motor, avoids cable head damage, improves work efficiency.
The above examples are provided for illustrating the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the contents of the present utility model and to implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The utility model provides an explosion-proof terminal box, includes the terminal box body, sets up terminal bolt in the terminal box body and with the horn mouth of terminal box body coupling, its characterized in that still includes:
the accommodating cylinder is arranged on the junction box body, is hollow in the accommodating cylinder and is communicated to the interior of the junction box body and is used for accommodating the cable head;
the transition wiring fill, its one end can be dismantled and set up the holding section of thick bamboo deviates from the one end of terminal box body, the transition wiring fill other end with the horn mouth can be dismantled and be connected.
2. The explosion-proof junction box of claim 1, wherein: the accommodating cylinder is provided with a first connecting flange, the transition junction bucket is provided with a second connecting flange matched with the first connecting flange, and the first connecting flange is connected with the second connecting flange through a plurality of first connecting pieces.
3. The explosion-proof junction box according to claim 2, wherein: one end of the transition wiring bucket, which is connected with the accommodating cylinder, is provided with a first boss part extending into the accommodating cylinder.
4. The explosion-proof junction box according to claim 2, wherein: and a first sealing ring is arranged between the first connecting flange and the second connecting flange.
5. The explosion-proof junction box of claim 1, wherein: the transition junction bucket is provided with a third connecting flange, the bell mouth is provided with a fourth connecting flange, and the third connecting flange is connected with the fourth connecting flange through a plurality of second connecting pieces.
6. The explosion-proof junction box of claim 5, wherein: and a second boss part extending into the transition wiring bucket is arranged at one end of the horn mouth, which is connected with the transition wiring bucket.
7. The explosion-proof junction box of claim 6, wherein: and a sealing ring is arranged between the bell mouth and the transition junction bucket, one axial end of the sealing ring is propped against the limiting part of the inner wall of the transition junction bucket, and the other axial end of the sealing ring is propped against the second boss part.
8. The explosion-proof junction box of claim 7, wherein: and check rings are respectively arranged between the sealing ring and the limiting part and between the sealing ring and the second boss part.
9. The explosion-proof junction box of claim 1, wherein: the transition junction bucket is connected with a grounding column.
10. The explosion-proof junction box of claim 1, wherein: the junction box body comprises a junction box seat and a junction box cover which are detachably connected, a third boss part extending into the junction box seat is arranged in the middle of the junction box cover, a circle of limiting boss is arranged on the periphery of the junction box cover, a step part matched with the limiting boss is arranged on the junction box seat, and a second sealing ring is arranged between the junction box cover and the junction box seat; the terminal box body with the motor frame is connected one end be equipped with extend to the fourth boss portion in the motor frame, the terminal box body with be equipped with the third sealing washer between the motor frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320784123.3U CN219535539U (en) | 2023-04-11 | 2023-04-11 | Explosion-proof junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320784123.3U CN219535539U (en) | 2023-04-11 | 2023-04-11 | Explosion-proof junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219535539U true CN219535539U (en) | 2023-08-15 |
Family
ID=87643975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320784123.3U Active CN219535539U (en) | 2023-04-11 | 2023-04-11 | Explosion-proof junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219535539U (en) |
-
2023
- 2023-04-11 CN CN202320784123.3U patent/CN219535539U/en active Active
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