CN214279884U - Circuit breaker capable of preventing accidental touch - Google Patents
Circuit breaker capable of preventing accidental touch Download PDFInfo
- Publication number
- CN214279884U CN214279884U CN202120453671.9U CN202120453671U CN214279884U CN 214279884 U CN214279884 U CN 214279884U CN 202120453671 U CN202120453671 U CN 202120453671U CN 214279884 U CN214279884 U CN 214279884U
- Authority
- CN
- China
- Prior art keywords
- locking
- circuit breaker
- rod
- mounting groove
- telescopic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to an electrical equipment field especially relates to a prevent circuit breaker that mistake touched, include: casing, locate plug-in strip and locking mechanism on the casing, be equipped with the mounting groove on the plug-in strip, locking mechanism is including being equipped with the flexible locking subassembly in the mounting groove and locating the latch segment of casing lower extreme, flexible locking subassembly include with mounting groove both sides articulated bull stick, with bull stick sliding connection's telescopic link, set firmly in the locking lever of telescopic link free end and locate the elastic component between telescopic link and the bull stick, when needs close electrical equipment or overhaul, close the plug-in strip, rotate the bull stick, outside pulling telescopic link to the terminal locking lever of telescopic link offsets with the latch segment, accomplish the locking to the plug-in strip, make the unable closure of plug-in strip, thereby prevent that the user from missing touches and lead to the equipment to start, ensured electrical equipment's security.
Description
Technical Field
The utility model relates to an electrical equipment field especially relates to a prevent circuit breaker that mistake touched.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition within a prescribed time. Can set up a plurality of circuit breakers according to the functional partitioning in the domestic distribution box usually, the user can be according to energy-conserving power saving or other needs independently select the switch of circuit breaker, because the distribution box volume is less, the circuit breaker is concentrated relatively, and the user has the hidden danger that the mistake touched other circuit breakers when switch circuit breaker, and serious meeting leads to injury personal safety.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a circuit breaker that prevents mistake that can lock the circuit breaker of closing and touch.
The utility model discloses a realize through following technical scheme:
a false-touch resistant circuit breaker comprising: a shell, a knife switch and a locking mechanism which are arranged on the shell,
the knife switch is characterized in that a mounting groove is formed in the knife switch, the locking mechanism comprises a telescopic locking assembly and a locking block, the telescopic locking assembly is arranged in the mounting groove, the locking block is arranged at the lower end of the shell, the telescopic locking assembly comprises a rotating rod, a telescopic rod, a locking rod and an elastic piece, the rotating rod is hinged to the two sides of the mounting groove, the telescopic rod is connected with the rotating rod in a sliding mode, the locking rod is fixedly arranged at the free end of the telescopic rod, the elastic piece is arranged between the telescopic rod and the rotating rod, and the knife switch is limited to rotate upwards when the locking rod abuts against the bottom of the locking block.
Preferably, the middle part of the rotating rod is provided with a cavity, one end of the telescopic rod penetrates through the side wall of the cavity and extends into the cavity, and two ends of the elastic part are fixedly connected with one end of the telescopic rod in the cavity and the side wall of the cavity respectively.
Preferably, the mounting groove is provided with a receiving groove for placing the locking rod.
Preferably, the lower end of the locking block is provided with a limiting groove.
Preferably, the mounting groove is provided with a finger abdicating groove.
Preferably, the elastic member is a spring.
The utility model has the advantages that:
when the electrical equipment needs to be closed or maintained, the switch blade is opened, the rotating rod is rotated, the telescopic rod is pulled outwards to abut against the locking rod at the tail end of the telescopic rod and the locking block, the switch blade is locked, the switch blade cannot be closed, therefore, the situation that the equipment is started due to mistaken touch of a user is prevented, and the safety of the electrical equipment is ensured.
Drawings
Fig. 1 is a schematic front view of the circuit breaker of the present invention when the knife is unlocked;
fig. 2 is a schematic diagram of a right-view structure of the circuit breaker when the knife switch is not locked according to the present invention;
fig. 3 is a schematic front view of the circuit breaker when the knife is locked according to the present invention;
fig. 4 is a schematic diagram of a right-view structure of the circuit breaker when the knife switch is locked;
fig. 5 is a schematic structural view of the retractable locking assembly of the present invention.
In the figure: 1. a housing; 2. a knife switch; 3. mounting grooves; 4. a telescoping locking assembly; 5. a locking block; 6. a rotating rod; 7. a telescopic rod; 8. a locking lever; 9. an elastic member; 10. a cavity; 11. a receiving groove; 12. a limiting groove; 13. finger groove of stepping down.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in the figure, the utility model relates to a prevent circuit breaker of mistake touching, include: the device comprises a shell 1, a switch blade 2 arranged on the shell 1 and a locking mechanism, wherein the locking mechanism is used for locking and fixing the opened switch blade 2 to prevent the switch blade 2 from being closed again by mistake,
the switch blade 2 is provided with a mounting groove 3, the mounting groove 3 is U-shaped, one end of an opening is arranged towards the free end of the switch blade 2, the locking mechanism comprises a telescopic locking component 4 arranged in the mounting groove 3 and a locking block 5 arranged at the lower end of the shell 1, the telescopic locking component 4 comprises rotating rods 6 hinged with two sides of the mounting groove 3, telescopic rods 7 connected with the rotating rods 6 in a sliding manner, locking rods 8 fixedly arranged at the free ends of the telescopic rods 7 and elastic pieces 9 arranged between the telescopic rods 7 and the rotating rods 6, as shown in the figure, when the circuit breaker is closed, the switch blade 2 is in an open state, the rotating rods 6 are rotated outwards at the moment to enable the rotating rods 6 to rotate out of the mounting groove 3, the telescopic rods 7 are pulled to abut against the bottoms of the locking blocks 5, due to the elastic action of the elastic pieces 9, the locking blocks 5 play a role in locking and limiting, the switch blade 2 is limited to rotate upwards, and the switch blade 2 can not be closed by directly pulling the switch blade 2 at the moment, when the electrical equipment needs to be overhauled or needs to be closed, the circuit breaker can be prevented from being closed again due to the fact that a user accidentally touches the circuit breaker.
Preferably, the middle of the rotating rod 6 is provided with a cavity 10, the side wall of the cavity 10 is provided with a guide hole, one end of the telescopic rod 7 penetrates through the guide hole in the side wall of the cavity 10 and extends into the cavity 10, two ends of the elastic part 9 are fixedly connected with one end of the telescopic rod 7 in the cavity 10 and the side wall of the cavity 10 respectively, the guide hole plays a role in guiding the telescopic rod 7, and the elastic part 9 is used for enabling the locking rod 8 to abut against the rotating rod 6 or the locking block 5.
Preferably, be equipped with the groove 11 of accomodating that is used for placing locking lever 8 on mounting groove 3, when need not locking, flexible locking Assembly 4 arranges in mounting groove 3, and locking lever 8 arranges in accomodating the groove 11, and the surface of plug-in strip 2 does not have the bulge, reduces the influence that feels to the user's use.
Preferably, the lower end of the locking block 5 is provided with a limiting groove 12, and when the locking rod 8 abuts against the locking block 5, the locking rod 8 is embedded into the limiting groove 12 to prevent the locking rod 8 from being separated from the lower end of the locking block 5.
Preferably, the mounting groove 3 is provided with a finger receding groove 13, so that a user can conveniently insert a finger into the rotating rod 6.
Preferably, the elastic member 9 is a spring.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A circuit breaker that prevents inadvertent contact, comprising: a shell, a knife switch and a locking mechanism which are arranged on the shell,
the knife switch is characterized in that a mounting groove is formed in the knife switch, the locking mechanism comprises a telescopic locking assembly and a locking block, the telescopic locking assembly is arranged in the mounting groove, the locking block is arranged at the lower end of the shell, the telescopic locking assembly comprises a rotating rod, a telescopic rod, a locking rod and an elastic piece, the rotating rod is hinged to the two sides of the mounting groove, the telescopic rod is connected with the rotating rod in a sliding mode, the locking rod is fixedly arranged at the free end of the telescopic rod, the elastic piece is arranged between the telescopic rod and the rotating rod, and the knife switch is limited to rotate upwards when the locking rod abuts against the bottom of the locking block.
2. The circuit breaker of claim 1, wherein a cavity is formed in the middle of the rotating rod, one end of the telescopic rod penetrates through a side wall of the cavity and extends into the cavity, and two ends of the elastic member are fixedly connected with one end of the telescopic rod in the cavity and the side wall of the cavity respectively.
3. The circuit breaker of claim 1, wherein the mounting groove is provided with a receiving groove for receiving the locking rod.
4. The circuit breaker of claim 1, wherein the lower end of the locking block is provided with a limiting groove.
5. The circuit breaker of claim 1, wherein the mounting groove is provided with a finger-avoiding groove.
6. The mis-strike prevention circuit breaker as recited in claim 1, wherein said resilient member is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453671.9U CN214279884U (en) | 2021-03-02 | 2021-03-02 | Circuit breaker capable of preventing accidental touch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453671.9U CN214279884U (en) | 2021-03-02 | 2021-03-02 | Circuit breaker capable of preventing accidental touch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214279884U true CN214279884U (en) | 2021-09-24 |
Family
ID=77792965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120453671.9U Expired - Fee Related CN214279884U (en) | 2021-03-02 | 2021-03-02 | Circuit breaker capable of preventing accidental touch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214279884U (en) |
-
2021
- 2021-03-02 CN CN202120453671.9U patent/CN214279884U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |