CN114172067A - Novel connecting device of multi-module remote control type low-voltage explosion-proof switch - Google Patents
Novel connecting device of multi-module remote control type low-voltage explosion-proof switch Download PDFInfo
- Publication number
- CN114172067A CN114172067A CN202010952722.2A CN202010952722A CN114172067A CN 114172067 A CN114172067 A CN 114172067A CN 202010952722 A CN202010952722 A CN 202010952722A CN 114172067 A CN114172067 A CN 114172067A
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- Prior art keywords
- drawer
- cabinet body
- connecting device
- remote control
- control type
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- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004880 explosion Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Drawers Of Furniture (AREA)
Abstract
The invention provides a novel connecting device of a multi-module remote control type low-voltage explosion-proof switch, which comprises a cabinet body, a drawer and a connecting device, wherein a limiting seat plate which is matched with the drawer in a drawing way is arranged in the cabinet body, the limiting seat plate is arranged in the driving direction of the drawer, and a limiting structure is arranged on one side, close to the interior of the cabinet body, of the limiting seat plate; the tail end of the drawer is provided with a connecting structure; a connecting device is arranged on the inner wall of the cabinet body corresponding to the connecting structure, the connecting device comprises a connecting clamp, an elastic element and a spring element, the connecting clamp is elastically connected with the elastic element through the spring element, and the elastic element is fixed on the inner wall of the cabinet body and drives the connecting structure to move towards the direction of the cabinet body; the connecting clamp is matched and movably connected with the connecting structure. When the groove is completely contacted with the contact, the drawer is electrified, and when the groove is completely disconnected with the contact, the drawer is immediately powered off, so that the explosion-proof safety is improved; the disassembly and assembly are convenient, the maintenance of the internal circuit is facilitated, and the drawer is replaced; when the drawer is replaced, the normal work of other drawers can not be influenced.
Description
Technical Field
The invention mainly relates to the field of explosion-proof electrical equipment, in particular to a novel connecting device of a multi-module remote control type low-voltage explosion-proof switch.
Background
The explosion-proof switch cabinet is also called an explosion-proof control box, is one of main types of explosion-proof electrical appliances, mainly comprises a lighting distribution box for controlling a lighting system and a power box for controlling a power system, and is internally and mainly provided with a circuit breaker, a contactor and a thermal relay. A change-over switch, a signal lamp, a button and the like.
At present, explosion-proof low-voltage switch cabinets are suitable for severe and dangerous explosion environments. For example: coal mine industry, paint or ink manufacturers, wood processing plants, cement plants, shipping and sewage treatment. The explosion-proof low-voltage switch cabinet can be structurally divided into a fixed type and a draw-out type, wherein the draw-out type is composed of a fixed cabinet body and a movable drawer provided with main electrical elements such as a switch and the like, and the disassembly, the movement and the repair of the electrical elements can be facilitated.
The drawer of the switch cabinet is similar to the conventional drawer, the length of the drawer of the general switch cabinet which is pulled out of the cabinet body is limited, and part of the length of the drawer is still positioned in the cabinet body, so that inconvenience is caused to wiring work at the innermost part in the drawer; when the drawer is pulled out, the drawer still works with electricity to cause explosion.
Published chinese utility model patent, application No. CN201721322248.5, patent name: the utility model provides a cubical switchboard light explosion-proof equipment convenient to dismantle and maintain, application date: 20171014, the invention relates to a switch cabinet lighting lamp explosion-proof device convenient for disassembly and maintenance, which comprises an explosion-proof lamp base, a cabinet body, an explosion-proof lamp cover, a cam and a lighting lamp, wherein the top end of the cabinet body is provided with a switch cabinet top cover, the bottom end of the cabinet body is provided with a switch cabinet base, a cabinet door is arranged above the switch cabinet base, the left end of the cabinet door is provided with a hinge, and the explosion-proof lamp base is arranged at the middle position of the right end of the front surface of the cabinet body; the explosion-proof lamp holder is integrally arranged in a drawer type mode and installed in the cabinet body, the switch door is arranged on the explosion-proof lamp holder, the switch door on the lamp holder only needs to be opened during inspection, the condition of an internal illuminating lamp can be inspected, when the lamp holder is required to be disassembled, the lamp holder buckle is opened through rotating the buckle knob, the lamp holder can be integrally taken out of the cabinet body, the pulley and the slide rail are arranged between the lamp holder and the cabinet body, disassembly is convenient, time is saved, and inspection and replacement efficiency of workers is improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a novel connecting device of a multi-module remote control type low-voltage explosion-proof switch, which realizes that a drawer can be completely extracted out of a cabinet body and is immediately powered off when the drawer is extracted, has good safety and comprises a cabinet body 1, a drawer 3 and a connecting device,
a limiting seat plate 11 which is matched with the drawer 3 in a drawing mode is arranged in the cabinet body 1, the limiting seat plate 11 is arranged in the driving direction of the drawer 3, and a limiting structure 111 is arranged on one side, close to the interior of the cabinet body 1, of the limiting seat plate 11;
the tail end of the drawer 3 is provided with a connecting structure 32;
the connecting device 2 is arranged on the inner wall of the cabinet body 1 corresponding to the connecting structure 32, the connecting device 2 comprises a connecting clamp 23, an elastic element 21 and a spring element 22, the connecting clamp 23 is elastically connected with the elastic element 21 through the spring element 22, and the elastic element 21 is fixed on the inner wall of the cabinet body 1 and drives the connecting structure 32 to move towards the cabinet body 1;
the connecting clip 23 and the connecting structure 32 are mutually matched and movably connected.
Preferably, the contact 24 is arranged on the inner wall of the connecting clamp 23, and a recess 321 is arranged on the connecting structure 32 corresponding to the contact 24.
Preferably, a drawer handle 31 is mounted on a side of the drawer 3 away from the cabinet 1.
With the structure, the drawer is provided with the handle for pushing and pulling the drawer along the direction that the drawer is pulled out of the cabinet body, and the drawer is provided with the key lock for locking with the cabinet body.
Preferably, the limiting seat plate 11 and the limiting structure 111 are perpendicular to each other to form an L shape, the limiting structure 111 is vertically arranged at one end of the limiting seat plate 11, and the highest position of the limiting structure 111 is not higher than the lowest end of the connecting structure 32.
With the above structure, when the drawer 3 reaches the limit structure 111 on the limit seat plate 11, the drawer 3 is completely located in the cabinet 1.
Preferably, the drawer 3 reaches the limit structure 111 along the limit seat plate 11, the drawer 3 is completely positioned in the cabinet 1, the connecting clip 23 clamps the connecting structure 32, the contact 24 is positioned in the groove 321, the spring member 22 is extended, and the elastic member 21 is compressed.
Set up above-mentioned structure, when drawer 3 was located cabinet body 1 completely, drawer 3 supported the inner wall at limit structure 111, and drawer 3's connection structure 32 supports the inner wall at connecting clamp 23, and elastic component 21 contracts to extreme condition, and spring member 22 stretches to certain extent and makes connecting clamp 23 press from both sides tight connection structure 32, and in addition, contact 24 on the connecting clamp 23 and recess 321 on the connection structure 32 laminate completely for drawer 3 is electrified immediately.
Preferably, the drawer 3 is drawn out of the cabinet 1 along the limit seat plate 11, the connecting clip 23 disconnects the connecting structure 32, and the spring member 22 and the elastic member 21 restore to the natural length.
With the structure, when the drawer 3 is pulled out of the cabinet body 1, the spring member 22 and the elastic member 21 drive the connecting clamp 23 on the connecting device 2 to loosen the connecting structure 32 on the drawer 3, and the contact 24 on the connecting clamp 23 is disconnected with the groove 321 on the connecting structure 32, so that the drawer 3 is immediately powered off, and the operation is convenient.
Preferably, the limit seat plate 11 is fixed on the cabinet 1.
The invention has the beneficial effects that:
1. only when the drawer is completely pushed into the cabinet body, the groove is completely contacted with the contact, the drawer is electrified, and the explosion-proof safety is improved;
2. only when the drawer is completely pulled out of the cabinet body, the groove and the contact are completely disconnected, the drawer is powered off immediately, and the safety is improved;
3. the drawer and the cabinet body are convenient to disassemble and assemble, and the maintenance of circuits in the drawer or the replacement of the drawer are facilitated;
4. when the drawer is replaced, the normal work of other drawers can not be influenced.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is an enlarged view of a portion of the coupling device of FIG. 1 with the drawer fully disposed within the cabinet;
FIG. 3 is an enlarged view of a portion of the connection device of FIG. 1 with the drawer removed from the cabinet;
in the figure, the position of the upper end of the main shaft,
1. the cabinet body 11, a limit seat board 111 and a limit structure;
2. connecting means 21, elastic elements 22, spring elements 23, connecting clips 24, contacts;
3. drawer 31, drawer handle 32, connecting structure 321 and groove;
Detailed Description
In order to make the technical solutions of the present invention better understood and make the above features, objects, and advantages of the present invention more comprehensible, the present invention is further described with reference to the following examples. The examples are intended to illustrate the invention only and are not intended to limit the scope of the invention.
As shown in fig. 1, the present invention includes: a cabinet body 1, a drawer 3 and a connecting device 2,
a limiting seat plate 11 which is matched with the drawer 3 in a drawing mode is arranged in the cabinet body 1, the limiting seat plate 11 is arranged in the driving direction of the drawer 3, and a limiting structure 111 is arranged on one side, close to the interior of the cabinet body 1, of the limiting seat plate 11;
the tail end of the drawer 3 is provided with a connecting structure 32;
the connecting device 2 is arranged on the inner wall of the cabinet body 1 corresponding to the connecting structure 32, the connecting device 2 comprises a connecting clamp 23, an elastic element 21 and a spring element 22, the connecting clamp 23 is elastically connected with the elastic element 21 through the spring element 22, and the elastic element 21 is fixed on the inner wall of the cabinet body 1 and drives the connecting structure 32 to move towards the cabinet body 1;
the connecting clamp 23 is mutually matched and movably connected with the connecting structure 32;
the inner wall of the connecting clamp 23 is provided with a contact 24, and a groove 321 is arranged on the connecting structure 32 corresponding to the contact 24;
a drawer handle 31 is arranged on one side of the drawer 3 far away from the cabinet body 1.
In use, there are three states, the drawer 3 is completely withdrawn from the cabinet 1, the drawer 3 is completely located inside the cabinet 1, and the drawer 3 is located therebetween;
as shown in fig. 2, when the drawer 3 is completely located inside the cabinet 1, the connecting structure 32 disposed on the drawer 3 abuts against the inner wall of the connecting clip 23 when the drawer 3 is pushed into the cabinet 1, the spring member 22 stretches and the elastic member 21 contracts to drive the connecting clip 23 to clip the connecting structure 32 disposed on the drawer 3, the contact 24 disposed on the connecting clip 23 is closed with the groove 321 disposed on the connecting structure 32, and the drawer 3 is electrically operated.
As shown in fig. 3, when the drawer 3 is completely pulled out of the cabinet 1 and the drawer 3 is located between the two, the connection structure 32 disposed on the drawer 3 is far away from the connection clamp 23 when the drawer 3 is pulled out of the cabinet 1, the spring member 22 and the elastic member 21 recover to the original length to drive the connection clamp 23 to be loosened, the contact point disposed on the connection clamp 23 is disconnected from the groove 321 along with the loosening of the connection clamp 23, and the power failure in the drawer 3 stops working.
Because the drawer completely slides out of the cabinet body, the maintenance, the disassembly and the assembly of circuits and elements in the drawer are more convenient for workers. When the drawer is drawn out, the drawer is powered off immediately, and the safety of the equipment is improved.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. A novel connecting device of a multi-module remote control type low-voltage explosion-proof switch is characterized by comprising a cabinet body (1), a drawer (3) and a connecting device,
a limiting seat plate (11) which is matched with the drawer (3) in a drawing mode is arranged in the cabinet body (1), the limiting seat plate (11) is arranged in the driving direction of the drawer (3), and a limiting structure (111) is arranged on one side, close to the interior of the cabinet body (1), of the limiting seat plate (11);
the tail end of the drawer (3) is provided with a connecting structure (32);
a connecting device (2) is arranged on the inner wall of the cabinet body (1) corresponding to the connecting structure (32), the connecting device (2) comprises a connecting clamp (23), an elastic piece (21) and a spring piece (22), the connecting clamp (23) is elastically connected with the elastic piece (21) through the spring piece (22), and the elastic piece (21) is fixed on the inner wall of the cabinet body (1) and drives the connecting structure (32) to move towards the direction of the cabinet body (1);
the connecting clamp (23) is mutually matched and movably connected with the connecting structure (32).
2. The novel connecting device of multi-module remote control type low-voltage explosion-proof switch according to claim 1, characterized in that: the inner wall of the connecting clamp (23) is provided with a contact (24), and a groove (321) is formed in the connecting structure (32) corresponding to the contact (24).
3. The novel connecting device of multi-module remote control type low-voltage explosion-proof switch according to claim 2, characterized in that: a drawer handle (31) is arranged on one side of the drawer (3) far away from the cabinet body (1).
4. The novel connecting device of multi-module remote control type low-voltage explosion-proof switch according to claim 3, characterized in that: spacing bedplate (11) and limit structure (111) mutually perpendicular become the L type, limit structure (111) vertical setting is in the one end of spacing bedplate (11), the highest point of limit structure (111) is not higher than the least significant end of connection structure (32).
5. The novel connecting device of multi-module remote control type low-voltage explosion-proof switch according to claim 4, characterized in that: the drawer (3) reaches the limiting structure (111) along the limiting seat plate (11), the drawer (3) is completely positioned in the cabinet body (1), the connecting clamp (23) clamps the connecting structure (32), the contact (24) is positioned in the groove (321), the spring piece (22) extends, and the elastic piece (21) is compressed.
6. The novel connecting device of multi-module remote control type low-voltage explosion-proof switch according to claim 5, characterized in that: the drawer (3) is drawn out of the cabinet body (1) along the limiting seat plate (11), the connecting clamp (23) is disconnected with the connecting structure (32), and the spring piece (22) and the elastic piece (21) recover to natural lengths.
7. The novel connecting device of multi-module remote control type low-voltage explosion-proof switch of claim 6, characterized in that: the limiting seat board (11) is fixed on the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952722.2A CN114172067A (en) | 2020-09-11 | 2020-09-11 | Novel connecting device of multi-module remote control type low-voltage explosion-proof switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010952722.2A CN114172067A (en) | 2020-09-11 | 2020-09-11 | Novel connecting device of multi-module remote control type low-voltage explosion-proof switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114172067A true CN114172067A (en) | 2022-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010952722.2A Pending CN114172067A (en) | 2020-09-11 | 2020-09-11 | Novel connecting device of multi-module remote control type low-voltage explosion-proof switch |
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| CN (1) | CN114172067A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116885611A (en) * | 2023-07-10 | 2023-10-13 | 南京永恒电器有限公司 | Extraction type low-voltage switch cabinet capable of preventing misoperation |
-
2020
- 2020-09-11 CN CN202010952722.2A patent/CN114172067A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116885611A (en) * | 2023-07-10 | 2023-10-13 | 南京永恒电器有限公司 | Extraction type low-voltage switch cabinet capable of preventing misoperation |
| CN116885611B (en) * | 2023-07-10 | 2024-03-19 | 南京永恒电器有限公司 | Extraction type low-voltage switch cabinet capable of preventing misoperation |
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