CN214479023U - Quick locking device of circuit breaker handcart - Google Patents
Quick locking device of circuit breaker handcart Download PDFInfo
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- CN214479023U CN214479023U CN202120708691.6U CN202120708691U CN214479023U CN 214479023 U CN214479023 U CN 214479023U CN 202120708691 U CN202120708691 U CN 202120708691U CN 214479023 U CN214479023 U CN 214479023U
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- locking
- shaft
- circuit breaker
- guide sleeve
- sliding cavity
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Abstract
The utility model discloses a quick locking device of circuit breaker handcart belongs to cubical switchboard technical field. The interlocking device comprises a locking mechanism, wherein the locking mechanism is composed of a locking shaft, a guide sleeve, a program lock, a connecting plate and a lock plate, the guide sleeve and the program lock are respectively fixed on a cabinet body, the locking shaft is arranged in the guide sleeve to slide, the program lock is hinged and connected with the end part of the locking shaft through the lock plate and the connecting plate, the interlocking device also comprises an interlocking mechanism, and the interlocking mechanism is composed of a mechanism seat, a blocking shaft, a first limiting column, a push rod, a second limiting column, a reset spring, a disc and a connecting rod. The locking mechanism and the interlocking mechanism adopt modular design, occupy small space and can be widely applied to the rapid locking of a circuit breaker handcart in a switch cabinet product; and the configuration of the interlocking mechanism prevents misoperation and greatly improves the safety performance.
Description
Technical Field
The utility model relates to a quick locking device of circuit breaker handcart belongs to cubical switchboard technical field.
Background
The handcart type switch cabinet is internally provided with a drawable handcart part, and main electrical components in the switch cabinet are arranged on the handcart, for example, the main components arranged on the handcart are primary electrical equipment such as a circuit breaker, a mutual inductor and the like. In the case of switch disconnection, the circuit breaker trolley can be pulled out of the switch cabinet by hand for maintenance or replacement. After the circuit breaker handcart is pushed into a position needing to be locked of the switch cabinet, the circuit breaker handcart needs to be locked through the locking mechanism. The locking mechanism is composed of a locking shaft, a guide sleeve, a program lock, a connecting plate and a locking plate, the guide sleeve and the program lock are respectively fixed on the cabinet body, the locking shaft is arranged in the guide sleeve to slide, the program lock is hinged and connected with the end part of the locking shaft through the locking plate and the connecting plate, the locking shaft is driven by the program lock to extend out and be inserted into a frame hole of the circuit breaker handcart, and the circuit breaker handcart is locked. At present, the locking mechanism has the possibility of misoperation, and when the circuit breaker handcart is not inserted into the switch cabinet, the locking shaft can also be stretched out through the program lock, so that potential safety hazards exist.
Therefore, the quick locking device for the circuit breaker handcart is designed, an interlocking mechanism is added on the original locking mechanism, and misoperation can be avoided.
Disclosure of Invention
The utility model discloses the technical problem that will solve lies in: the utility model provides a quick locking device of circuit breaker handcart, it has solved the problem that there is the maloperation in present circuit breaker handcart locking mechanical system.
The utility model discloses the technical problem that will solve takes following technical scheme to realize:
a circuit breaker handcart quick locking device comprises a locking mechanism, an interlocking mechanism and a locking mechanism, wherein the locking mechanism is composed of a locking shaft, a guide sleeve, a program lock, a connecting plate and a locking plate, the guide sleeve and the program lock are respectively fixed on a cabinet body, the locking shaft is arranged in the guide sleeve to slide, the program lock is hinged and connected with the end part of the locking shaft through the locking plate and the connecting plate, and the interlocking mechanism is composed of a mechanism seat, a blocking shaft, a first limiting column, a push rod, a second limiting column, a reset spring, a disc and a connecting rod;
the upper part of the mechanism seat is provided with a first sliding cavity, the side wall of the first sliding cavity is provided with a first limiting sliding slot hole, the lower part of the mechanism seat is provided with a second sliding cavity vertical to the first sliding cavity, and the side wall of the second sliding cavity is provided with a second limiting sliding slot hole;
a blocking shaft is inserted into the first sliding cavity, a first limiting column penetrating through the first limiting sliding groove hole is fixed on the side surface of the blocking shaft, and the blocking shaft completely extends out and then blocks the end part of the locking shaft;
a push rod is inserted into the second sliding cavity, a second limiting column penetrating through a second limiting sliding groove hole is fixed on the side surface of the push rod, a return spring is arranged between the push rod and the second sliding cavity, and a disc is movably mounted at the other end of the push rod;
one end of the connecting rod is hinged to the first limiting column, and the other end of the connecting rod is hinged to the second limiting column.
Preferably, the blocking shaft is formed by connecting a sliding shaft and an L-shaped baffle, the sliding shaft end is inserted into the first sliding cavity, and after the blocking shaft is completely extended, one side of the L-shaped baffle is in contact with the guide sleeve, and the other side of the L-shaped baffle seals the locking shaft in the guide sleeve.
As a preferable example, the end part of the push rod is provided with a U-shaped groove, and the disc is movably arranged in the U-shaped groove.
The utility model has the advantages that: the locking mechanism and the interlocking mechanism adopt modular design, occupy small space and can be widely applied to the rapid locking of a circuit breaker handcart in a switch cabinet product; and the configuration of the interlocking mechanism prevents misoperation and greatly improves the safety performance.
Drawings
Fig. 1 is the circuit breaker handcart when not resetting the utility model discloses a schematic structure diagram.
Fig. 2 is a schematic structural view of the mechanism seat.
Fig. 3 is a schematic structural view of the mechanism base after the blocking shaft and the push rod are installed.
Fig. 4 is the circuit breaker handcart back that resets the utility model discloses a schematic structure diagram.
In the figure: the device comprises a locking mechanism 1, a locking shaft 101, a guide sleeve 102, a program lock 103, a connecting plate 104, a locking plate 105, an interlocking mechanism 2, a mechanism seat 201, a blocking shaft 202, a first limit column 203, a push rod 204, a second limit column 205, a return spring 206, a disc 207, a connecting rod 208, a first sliding cavity 209, a first limit sliding groove hole 210, a second sliding cavity 211, a second limit sliding groove hole 212, a sliding shaft 213, an L-shaped baffle plate 214, a U-shaped groove 215 and a circuit breaker handcart frame 3.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
Example 1
As shown in fig. 1-4, a quick locking device for a circuit breaker handcart comprises a locking mechanism, wherein the locking mechanism 1 comprises a locking shaft 101, a guide sleeve 102, a program lock 103, a connecting plate 104 and a locking plate 105, the guide sleeve 102 and the program lock 103 are respectively fixed on a cabinet body (not shown in the figure), the locking shaft 101 is arranged in the guide sleeve 102 to slide, the program lock 103 is hinged and connected with the end part of the locking shaft 101 through the locking plate 105 and the connecting plate 104, the quick locking device also comprises an interlocking mechanism 2, and the interlocking mechanism 2 comprises a mechanism seat 201, a blocking shaft 202, a first limit column 203, a push rod 204, a second limit column 205, a reset spring 206, a disc 207 and a connecting rod 208;
a first sliding cavity 209 is arranged at the upper part of the mechanism seat 201, a first limit sliding slot hole 210 is formed in the side wall of the first sliding cavity 209, a second sliding cavity 211 perpendicular to the first sliding cavity 209 is arranged at the lower part of the mechanism seat 201, and a second limit sliding slot hole 212 is formed in the side wall of the second sliding cavity 211;
the blocking shaft 202 is inserted into the first sliding cavity 209, a first limit column 203 penetrating through the first limit sliding groove hole 210 is fixed on the side surface of the blocking shaft 202, and the blocking shaft 202 completely extends out and then blocks the end part of the locking shaft 101;
a push rod 204 is inserted into the second sliding cavity 211, a second limit column 205 penetrating through the second limit sliding slot hole 212 is fixed on the side surface of the push rod 204, a return spring 206 is arranged between the push rod 204 and the second sliding cavity 211, and a disc 207 is movably arranged at the other end of the push rod 204;
one end of the connecting rod 208 is hinged with the first limit column 203, and the other end of the connecting rod 208 is hinged with the second limit column 205.
Example 2
As shown in fig. 3, the blocking shaft 202 is formed by connecting a sliding shaft 213 and an L-shaped baffle 214, the end of the sliding shaft 213 is inserted into the first sliding chamber 209, and after the blocking shaft 202 is completely extended, one side of the L-shaped baffle 214 contacts the guide sleeve 102, and the other side of the L-shaped baffle 214 encloses the locking shaft 101 in the guide sleeve 102. The other structure is the same as embodiment 1.
Example 3
As shown in FIG. 3, the end of the push rod 204 is provided with a U-shaped slot 215, and the disc 207 is movably mounted in the U-shaped slot 215. The circuit breaker handcart frame 3 presses the disc 207, and the disc 207 rolls after contacting, so that the circuit breaker handcart is easy to reset. The other structure is the same as embodiment 1.
The working principle is as follows:
(1) when the circuit breaker handcart is not reset (as shown in fig. 1), under the condition of no other external force, the reset spring 206 jacks up the push rod 204 and the disc 207, the connecting rod 208 is driven to push the blocking shaft 202 to the upper part of the locking shaft 101, and at the moment, the locking shaft 101 is blocked and cannot extend upwards out of the guide sleeve 102, so that the program lock 103 cannot be locked freely.
(2) The circuit breaker handcart is in a reset state (as shown in fig. 4), when the circuit breaker handcart moves to a position needing to be locked, the disc 207 and the push rod 204 are pressed down by the circuit breaker handcart frame 3, the connecting rod 208 is driven to pull the blocking shaft 202 back, at the moment, the operation program lock 103 rotates, the locking shaft 101 is driven to move up through the locking plate 105 and the connecting plate 104, and the locking shaft 101 stretches into a hole 3 in the circuit breaker handcart frame, so that the function of quickly locking the circuit breaker handcart is realized.
It has the following advantages: the locking mechanism 1 and the interlocking mechanism 2 adopt a modular design, occupy small space and can be widely applied to the rapid locking of a circuit breaker handcart in a switch cabinet product; the configuration of the interlocking mechanism 2 prevents misoperation and greatly improves safety performance.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A quick locking device for a circuit breaker handcart comprises a locking mechanism (1), wherein the locking mechanism (1) is composed of a locking shaft (101), a guide sleeve (102), a program lock (103), a connecting plate (104) and a locking plate (105), the guide sleeve (102) and the program lock (103) are respectively fixed on a cabinet body, the locking shaft (101) is arranged in the guide sleeve (102) to slide, and the program lock (103) is hinged and connected with the end part of the locking shaft (101) through the locking plate (105) and the connecting plate (104), and is characterized by further comprising an interlocking mechanism (2), wherein the interlocking mechanism (2) is composed of a mechanism seat (201), a blocking shaft (202), a first limiting column (203), a push rod (204), a second limiting column (205), a reset spring (206), a disc (207) and a connecting rod (208);
a first sliding cavity (209) is arranged at the upper part of the mechanism seat (201), a first limiting sliding slot hole (210) is formed in the side wall of the first sliding cavity (209), a second sliding cavity (211) perpendicular to the first sliding cavity (209) is arranged at the lower part of the mechanism seat (201), and a second limiting sliding slot hole (212) is formed in the side wall of the second sliding cavity (211);
a blocking shaft (202) is inserted into the first sliding cavity (209), a first limiting column (203) penetrating through a first limiting sliding groove hole (210) is fixed on the side surface of the blocking shaft (202), and the blocking shaft (202) is blocked at the end part of the locking shaft (101) after being completely extended out;
a push rod (204) is inserted into the second sliding cavity (211), a second limiting column (205) penetrating through the second limiting sliding groove hole (212) is fixed on the side surface of the push rod (204), a return spring (206) is arranged between the push rod (204) and the second sliding cavity (211), and a disc (207) is movably mounted at the other end of the push rod (204);
one end of the connecting rod (208) is hinged with the first limiting column (203), and the other end of the connecting rod (208) is hinged with the second limiting column (205).
2. The quick locking device of the circuit breaker handcart according to claim 1, characterized in that the blocking shaft (202) is formed by connecting a sliding shaft (213) and an L-shaped baffle (214), the end of the sliding shaft (213) is inserted into the first sliding cavity (209), after the blocking shaft (202) is completely extended, one side of the L-shaped baffle (214) is contacted with the guide sleeve (102), and the other side of the L-shaped baffle (214) seals the locking shaft (101) in the guide sleeve (102).
3. The quick locking device for the circuit breaker handcart according to claim 1, wherein a U-shaped groove (215) is formed at the end of the push rod (204), and the disc (207) is movably arranged in the U-shaped groove (215).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120708691.6U CN214479023U (en) | 2021-04-07 | 2021-04-07 | Quick locking device of circuit breaker handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120708691.6U CN214479023U (en) | 2021-04-07 | 2021-04-07 | Quick locking device of circuit breaker handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214479023U true CN214479023U (en) | 2021-10-22 |
Family
ID=78177373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120708691.6U Active CN214479023U (en) | 2021-04-07 | 2021-04-07 | Quick locking device of circuit breaker handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214479023U (en) |
-
2021
- 2021-04-07 CN CN202120708691.6U patent/CN214479023U/en active Active
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