CN112530754B - But quick replacement's plug-in low pressure air switch - Google Patents
But quick replacement's plug-in low pressure air switch Download PDFInfo
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- CN112530754B CN112530754B CN202011389241.1A CN202011389241A CN112530754B CN 112530754 B CN112530754 B CN 112530754B CN 202011389241 A CN202011389241 A CN 202011389241A CN 112530754 B CN112530754 B CN 112530754B
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- insulating base
- sliding block
- air switch
- spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
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Abstract
The invention relates to the technical field of low-voltage air switches, in particular to a quick-replaceable plug-in low-voltage air switch, which comprises an insulating base and a body, wherein the insulating base is fixedly arranged on a distribution box provided with a plurality of conductive copper bars, two ends of the insulating base are both fixedly provided with chucks, the body is arranged on the insulating base, the body is provided with a switch, the insulating base is provided with a clamping assembly, the clamping assembly clamps the body and the insulating base, two ends of the body are fixedly provided with contact blades, the chucks clamp the contact blades, the body is inserted and arranged on the insulating base when the plug-in low-voltage air switch is used, the chucks clamp the contact blades to form reliable connection points, and the clamping assembly clamps the body at the installation position.
Description
Technical Field
The invention relates to the technical field of low-voltage air switches, in particular to a quick-replaceable plug-in low-voltage air switch.
Background
An air switch, also known as an air circuit breaker, is a circuit breaker, and is a switch which can be automatically switched off as long as the current in a circuit exceeds the rated current.
At present, a used low-voltage air switch is installed in a power distribution box and directly installed by using a hard copper bar, when the low-voltage air switch breaks down, because the power of the power distribution box needs to be cut off, a protective grounding wire is installed on a connecting wire at the upper end and the lower end of the air switch, a screw of the connecting switch can be detached and replaced, and because the design problem of the power distribution box causes that the electric inter-phase distance is small, the grounding wire cannot be installed or needs to be extended to the front stage and the rear stage for installation, the power failure range is enlarged, and the replacement of one low-voltage air switch in the power distribution box generally needs about 1-2 hours, so that the power consumption of a user is inevitably influenced; in order to reduce the power failure time, some workers do not need to be provided with a grounding wire in a cold standby state for risky replacement, and the working mode is easy to cause the occurrence of electric shock accidents of the workers.
Chinese patent CN201820147358.0 discloses a novel plug-in circuit breaker, including insulator foot, insulator foot's the equal fixed mounting of preceding lateral wall upper end and lower extreme has the plug, and the plug is total six, insulator foot's preceding lateral wall spiro union has first shell, insulator foot connects power cord and load line in advance, if unable maintenance slides the slider to first shell through holding the second shell lock again, extracts the whole through holding the groove, if the circuit breaker main part has been bad, only need extract bad first shell and second shell whole through the hand device at both ends, change last one can, however, in this scheme, need directly inject insulator foot with first shell during the installation, then the circuit breaker main part has been installed to the inner chamber of first shell, at last again with the second shell spiro union, longer when the installation is used promptly.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a quick-replaceable plug-in low-voltage air switch, so that a body can be quickly inserted into or pulled out of an insulating base, and the quick replacement of the low-voltage air switch is realized.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a but quick replacement's plug-in low pressure air switch, including insulator foot and body, insulator foot fixed mounting is in the block terminal that is equipped with a plurality of electrically conductive copper bars, the equal fixed mounting in insulator foot both ends has the chuck, the body install in insulator foot, the body is equipped with the switch, insulator foot is equipped with the chucking subassembly, chucking subassembly chucking body and insulator foot, body both ends fixed mounting has the contact blade, the chuck presss from both sides tightly the contact blade.
According to the quickly replaceable plug-in low-pressure air switch, when the low-pressure air switch needs to be replaced, the switch is disconnected, the clamping assembly is moved, the original body can be pulled out, the new body is installed on the insulating base, the contact blade is clamped into the chuck, the chuck clamps the contact blade, the clamping assembly clamps the body and the insulating base, and the switch is closed.
Further, insulating base and block terminal pass through first connecting piece fixed connection.
Further, the chuck is shielded by soft insulating material, the chuck includes the clamping piece of two relative settings, two relative settings the distance between the clamping piece is not more than the thickness of contact blade, two relative settings the clamping piece presss from both sides tightly contact blade.
Furthermore, a plurality of first grooves are formed in the two ends of the insulating base, the chuck is mounted in the first grooves through a second connecting piece, and the chuck and the conductive copper bar are connected through the second connecting piece.
Further, the two ends of the body are respectively provided with a second groove communicated with the first groove, and the contact blade is fixedly installed in the second groove through a third connecting piece.
Further, the clamping assembly comprises a first sliding groove, a first sliding block and a first spring, one end of the first sliding block is connected with one end of the first spring, the other end of the first spring is connected with the inner wall surface of the first sliding groove, the other end of the first sliding block is provided with a protrusion which is clamped on the insulating base, and the protrusion clamps the body and the insulating base.
Furthermore, the front end of the insulating base is provided with a first opening, the first sliding block is provided with a first driving lever protruding out of the front end of the insulating base, and the first driving lever is connected with the first opening in a sliding mode.
Furthermore, insulating base is equipped with the locking Assembly who is used for locking the chucking subassembly position, and locking Assembly and chucking subassembly butt are fixed the chucking subassembly.
Furthermore, the locking assembly comprises a second sliding groove, a second sliding block and a second spring, a second opening is formed in the front end of the insulating base, a second driving lever protruding out of the front end of the insulating base is arranged on the second sliding block, the first driving lever is connected with the second opening in a sliding mode, one end of the second spring is connected with one end of the second sliding block, the other end of the second spring is connected with the inner wall surface of the second sliding groove, and the other end of the second sliding block is abutted to the clamping assembly.
Further, one side fixedly connected with dog of first slider, the dog is the triangular prism structure, the second slider with the dog butt.
Compared with the background technology, the quickly replaceable plug-in low-voltage air switch of the invention has the following technical effects:
the body can be quickly inserted into or pulled out of the insulating base without dismounting screws, so that the low-voltage air switch can be quickly replaced.
Drawings
FIG. 1 is a perspective view of a quick-change pluggable low-pressure air switch in an embodiment of the present invention;
FIG. 2 is a schematic view of an embodiment of the present invention with the dielectric base mounted in a power distribution box;
FIG. 3 is a schematic diagram of a second slider extruded by a stopper according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a second slider seizing stop according to an embodiment of the present invention;
FIG. 5 is a perspective view of a quick-change pluggable low-pressure air switch body according to an embodiment of the present invention;
in the drawings: 1-an insulating base; 11-a first groove; 12-a chuck; 2-a body; 21-a second groove; 22-a contact blade; 23-a switch; 3-a first connecting piece; 4-a second connector; 5-a third connector; 6-a clamping assembly; 61-a first runner; 62-a first spring; 63-a first slider; 64-a first toggle lever; 65-bump; 66-a stop; 7-a locking assembly; 71-a second runner; 72-a second spring; 73-a second slider; 74-a second toggle lever; 8-a first opening; 9-a second opening; 10-a distribution box; 101-conductive copper bars.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and not for the purpose of limiting the same, the same is shown by way of illustration only and not in the form of limitation; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.
The quick-replaceable plug-in low-voltage air switch comprises an insulating base 1 and a body 2, wherein the insulating base 1 is fixedly installed on a distribution box 10 provided with a plurality of conductive copper bars 101, chucks 12 are fixedly installed at two ends of the insulating base 1, the body 2 is installed on the insulating base 1, the body 2 is provided with a switch 23, the insulating base 1 is provided with a clamping assembly 6, the clamping assembly 6 clamps the body 2 and the insulating base 1, two ends of the body 2 are fixedly provided with contact blades 22, and the chucks 12 clamp the contact blades 22.
The quickly replaceable plug-in low-voltage air switch comprises an insulating base 1 and a body 2, wherein the insulating base 1 is fixedly connected with a distribution box 10, when the low-voltage air switch needs to be replaced, a switch 23 is disconnected firstly, a clamping component 7 is moved, the original body 2 can be pulled out, a new body 2 is installed on the insulating base 1, a contact blade 22 is clamped into a chuck 12, the chuck 12 clamps the contact blade 22, the clamping component 7 clamps the body 2 and the insulating base 1, and the switch 23 is closed.
In one embodiment, as shown in fig. 1 and fig. 2, the insulating base 1 is fixedly connected with the distribution box 10 through a first connecting member 3, the insulating base 1 is provided with a plurality of threaded holes, the first connecting member 3 is matched with the threaded holes, the first connecting member 3 is a screw, and it should be noted that other connecting members and components capable of realizing the connection between the insulating base 1 and the distribution box 10 in the present invention are all suitable for the present invention.
In one embodiment, the insulating base 1 is welded in the distribution box 10, and it should be noted that other connection modes capable of realizing the fixed connection between the insulating base 1 and the distribution box 10 are all applicable to the present invention.
In one embodiment, the cartridge 12 is shielded by a soft insulating material, the cartridge 12 includes two oppositely disposed clips, the distance between the two oppositely disposed clips is not greater than the thickness of the contact blade 22, the two oppositely disposed clips clamp the contact blade 22, when in use, the two oppositely disposed clips have elasticity, the body 2 is inserted into the insulating base 1, the contact blade 22 is inserted into the cartridge 12 from the shielding of the insulating material, and the two oppositely disposed clips clamp the contact blade 22 to form a reliable connection point.
In one embodiment, as shown in fig. 1 and fig. 2, a plurality of first grooves 11 are formed at both ends of the insulating base 1, the clip 12 is mounted in the first grooves 11 through the second connector 4, and the second connector 4 connects the clip 12 with the copper bar 101.
In one embodiment, the second connector 4 is a screw, and it should be noted that other connectors and components thereof capable of mounting the clip 12 in the first groove 11 and connecting the clip 12 with the conductive copper bar 101 are all suitable for the present invention.
In one embodiment, as shown in fig. 1 and 5, the two ends of the body 2 are provided with second grooves 21 communicated with the first grooves 11, and the contact blade 22 is fixedly mounted in the second grooves 21 through the third connecting member 5.
In one embodiment, the third connecting member 5 is a screw, and it should be noted that other connecting members and components thereof capable of fixedly mounting the contact blade 22 in the second groove 21 are all suitable for the present invention.
In one embodiment, as shown in fig. 1 to 4, the clamping assembly 6 includes a first sliding slot 61, a first sliding block 63 and a first spring 62, one end of the first spring 62 is connected to one end of the first sliding block 63, the other end of the first spring 62 is connected to an inner wall surface of the first sliding slot 61, the other end of the first sliding block 63 is provided with a protrusion 65 clamped to the insulating base 1, and the protrusion 65 clamps the body 2 and the insulating base 1. When changing body 2, remove first slider 63 extrusion first spring 62, make first slider 63 remove in first spout 61, until first slider 63 slides in first spout 61, extract insulator base 1 with former body 2, install new body 2 in insulator base 1, make chuck 12 press from both sides tight contact blade 22, release first slider 63 again, under the effect of first spring 62, first slider 63 removes in first spout 61, until the first spout 61 of protruding 65 roll-off, protruding 65 joint in insulator base 1, the position of fixed first slider 63, block body 2 at mounted position.
In one embodiment, as shown in fig. 1 and 2, the front end of the insulating base 1 is provided with a first opening 8, the first sliding block 63 is provided with a first driving lever 64 protruding out of the front end of the insulating base 1, the first driving lever 64 is slidably connected with the first opening 8, when in use, the first driving lever 64 is pushed to enable the first sliding block 63 to extrude the first spring 62, the body 2 is inserted into the insulating base 1, the contact blade 22 is clamped tightly by the chuck 12, the first driving lever 64 is released, the first sliding block 63 is pushed by the first spring 62 until the first opening 8 is clamped by the first driving lever 64, the first sliding block 63 is prevented from completely sliding out of the first sliding groove 61, at this time, the protrusion 65 is clamped in the insulating base 1, and the body 2 is clamped at the installation position.
In one embodiment, the insulating base 1 is provided with a locking assembly 7 for locking the position of the clamping assembly 6, and the locking assembly 7 abuts against the clamping assembly 6 to fix the clamping assembly 6.
In one embodiment, as shown in fig. 1 to 4, the locking assembly 7 includes a second sliding slot 71, a second sliding block 73 and a second spring 72, the front end of the insulating base 1 is provided with a second opening 9, the second sliding block 73 is provided with a second driving lever 74 protruding from the front end of the insulating base 1, the second driving lever 74 is slidably connected with the second opening 9, one end of the second spring 72 is connected with one end of the second sliding block 73, the other end of the second spring 72 is connected with the inner wall surface of the second sliding slot 71, the other end of the second sliding block 73 is abutted against the chucking assembly 6, when the body 2 is replaced, the first driving lever 64 is pushed to extrude the first spring 62, the first sliding block 63 pushes the second sliding block 73 to extrude the second spring 72, until the second driving lever 74 contacts with one end of the second opening 9, the second spring 72 pushes the second slider 73 to block the first slider 63, as shown in fig. 4, at this time, the original body 2 can be taken out, and then the new body 2 is installed and replaced, when the collet 12 clamps the contact blade 22, the second driving lever 74 is pushed towards one end of the second opening 9, the locking function of the locking component 7 is contacted, the first slider 63 is popped out under the action of the first spring 62 until the first opening 8 blocks the first driving lever 64, at this time, the protrusion 65 is clamped in the insulating base 1, and the first slider 63 is prevented from moving towards the direction of extruding the first spring 62, and the body 2 is clamped at the installation position.
In one embodiment, as shown in fig. 3 and 4, a stopper 66 is fixedly connected to one side of the first slider 63, the stopper 66 is in a triangular prism structure, the second slider 73 abuts against the stopper 66, when the body 2 is replaced, the first lever 64 is pushed to press the first spring 62, the stopper 66 pushes the second slider 73 to move upward to press the second spring 72, until the second lever 74 contacts with one end of the second opening 9, the second spring 72 pushes the second slider 73 to clamp the stopper 66, that is, the second slider 73 clamps the first slider 63, at this time, the original body 2 can be taken out, the replaced body 2 is installed again, the cartridge 12 is clamped to contact with the blade 22, the second lever 74 is pushed toward one end of the second opening 9, the locking effect of the second slider 73 on the stopper 66 is released, the first slider 63 is ejected under the effect of the first spring 62 until the first opening 8 is clamped, at this time, the protrusion 65 is clamped to the insulating base 1, and the body 2 is clamped at the installation position.
In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. A quick-replaceable plug-in low-voltage air switch comprises an insulating base (1) and a body (2), wherein the insulating base (1) is fixedly installed on a distribution box (10) provided with a plurality of conductive copper bars (101), chucks (12) are fixedly installed at two ends of the insulating base (1), the body (2) is installed on the insulating base (1), and the body (2) is provided with a switch (23), and the quick-replaceable plug-in low-voltage air switch is characterized in that the insulating base (1) is provided with a clamping assembly (6), the clamping assembly (6) clamps the body (2) and the insulating base (1), two ends of the body (2) are fixedly provided with contact blades (22), and the chucks (12) clamp the contact blades (22);
the clamping assembly (6) comprises a first sliding groove (61), a first sliding block (63) and a first spring (62), one end of the first spring (62) is connected with one end of the first sliding block (63), the other end of the first spring (62) is connected with the inner wall surface of the first sliding groove (61), a protrusion (65) clamped on the insulating base (1) is arranged at the other end of the first sliding block (63), and the protrusion (65) clamps the body (2) and the insulating base (1); the front end of the insulating base (1) is provided with a first opening (8), the first sliding block (63) is provided with a first driving lever (64) protruding out of the front end of the insulating base (1), and the first driving lever (64) is connected with the first opening (8) in a sliding mode;
the insulation base (1) is provided with a locking assembly (7) for locking the position of the clamping assembly (6), the locking assembly (7) comprises a second sliding groove (71), a second sliding block (73) and a second spring (72), a second opening (9) is formed in the front end of the insulation base (1), a second driving lever (74) protruding out of the front end of the insulation base (1) is arranged on the second sliding block (73), the second driving lever (74) is connected with the second opening (9) in a sliding mode, one end of the second spring (72) is connected with one end of the second sliding block (73), the other end of the second spring (72) is connected with the inner wall surface of the second sliding groove (71), and the other end of the second sliding block (73) is abutted to the clamping assembly (6); one side fixedly connected with dog (66) of first slider (63), dog (66) are triangular prism structure, second slider (73) with dog (66) butt.
2. A quick-change plug-in low-pressure air switch according to claim 1, characterized in that the insulating base (1) is fixedly connected to the electrical distribution box (10) by means of a first connecting element (3).
3. A quick-change plug-in low-pressure air switch according to claim 1, characterized in that the clamping head (12) is shielded by a soft insulating material, the clamping head (12) comprising two oppositely arranged jaws, the distance between which is not greater than the thickness of the contact blade (22), the two oppositely arranged jaws clamping the contact blade (22).
4. The quick-replaceable plug-in low-voltage air switch according to claim 1, wherein a plurality of first grooves (11) are formed at both ends of the insulating base (1), the clamping head (12) is mounted in the first grooves (11) through a second connecting piece (4), and the second connecting piece (4) connects the clamping head (12) with the conductive copper bar (101).
5. The quick-change plug-in low-pressure air switch according to claim 4, characterized in that the body (2) is provided at both ends with second recesses (21) communicating with the first recesses (11), the contact blades (22) being fixedly mounted in the second recesses (21) by means of third connecting pieces (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389241.1A CN112530754B (en) | 2020-12-02 | 2020-12-02 | But quick replacement's plug-in low pressure air switch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389241.1A CN112530754B (en) | 2020-12-02 | 2020-12-02 | But quick replacement's plug-in low pressure air switch |
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| CN112530754A CN112530754A (en) | 2021-03-19 |
| CN112530754B true CN112530754B (en) | 2023-01-24 |
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| CN202011389241.1A Active CN112530754B (en) | 2020-12-02 | 2020-12-02 | But quick replacement's plug-in low pressure air switch |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116130305B (en) * | 2023-03-24 | 2023-12-12 | 合肥天隆智汇科技有限公司 | Plug-in low-voltage circuit breaker |
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| EP0717425B1 (en) * | 1994-12-13 | 1999-03-17 | Bticino S.P.A. | A differential protection module with a multipole switch block with a safety coupling for coupling to the multipole switch block |
| CN101211719A (en) * | 2006-12-29 | 2008-07-02 | Ls产电株式会社 | Terminal module assembly and moulded case circuit breaker having the same |
| CN101484959A (en) * | 2006-07-03 | 2009-07-15 | 西门子能量及自动化公司 | Devices, systems, and methods for mounting a circuit breaker |
| CN208027997U (en) * | 2018-04-22 | 2018-10-30 | 中欧电气有限公司 | A kind of connected structure of plug in circuit breaker |
| CN110896184A (en) * | 2019-12-12 | 2020-03-20 | 东莞铭普光磁股份有限公司 | Stack type connector module and connector |
| KR102098749B1 (en) * | 2019-12-20 | 2020-04-08 | 제일전기공업 주식회사 | circuit breaker having elastic hook type joint device |
| CN210588701U (en) * | 2019-06-18 | 2020-05-22 | 青岛鲁邦通用新材料有限公司 | Ceramic tile polisher with grinding head convenient to replace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206834352U (en) * | 2017-05-09 | 2018-01-02 | 国网安徽省电力公司蚌埠供电公司 | Overhead transmission line pluggable connecting device |
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2020
- 2020-12-02 CN CN202011389241.1A patent/CN112530754B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0717425B1 (en) * | 1994-12-13 | 1999-03-17 | Bticino S.P.A. | A differential protection module with a multipole switch block with a safety coupling for coupling to the multipole switch block |
| CN101484959A (en) * | 2006-07-03 | 2009-07-15 | 西门子能量及自动化公司 | Devices, systems, and methods for mounting a circuit breaker |
| CN101211719A (en) * | 2006-12-29 | 2008-07-02 | Ls产电株式会社 | Terminal module assembly and moulded case circuit breaker having the same |
| CN208027997U (en) * | 2018-04-22 | 2018-10-30 | 中欧电气有限公司 | A kind of connected structure of plug in circuit breaker |
| CN210588701U (en) * | 2019-06-18 | 2020-05-22 | 青岛鲁邦通用新材料有限公司 | Ceramic tile polisher with grinding head convenient to replace |
| CN110896184A (en) * | 2019-12-12 | 2020-03-20 | 东莞铭普光磁股份有限公司 | Stack type connector module and connector |
| KR102098749B1 (en) * | 2019-12-20 | 2020-04-08 | 제일전기공업 주식회사 | circuit breaker having elastic hook type joint device |
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| CN112530754A (en) | 2021-03-19 |
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