CN221447956U - Overvoltage and overcurrent protection device for electrical equipment - Google Patents
Overvoltage and overcurrent protection device for electrical equipment Download PDFInfo
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- CN221447956U CN221447956U CN202322905083.6U CN202322905083U CN221447956U CN 221447956 U CN221447956 U CN 221447956U CN 202322905083 U CN202322905083 U CN 202322905083U CN 221447956 U CN221447956 U CN 221447956U
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- 210000001503 joint Anatomy 0.000 claims abstract description 67
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000003032 molecular docking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an overvoltage and overcurrent protection device for electrical equipment, and relates to the technical field of electrical protection. The circuit protection device comprises a circuit protection body and a butt joint clamping mechanism, wherein a plurality of groups of reserved butt joint holes are symmetrically formed on two opposite side surfaces of the circuit protection body; the butt joint fixture comprises a clamping assembly and a pressing assembly, one end of the clamping assembly is fixedly connected to the inner wall of the reserved butt joint hole, the clamping assembly comprises a plurality of clamping steel balls which are arranged in a sliding mode, the pressing assembly is arranged on the peripheral side face of the clamping assembly in a sliding mode, and the peripheral side face of the pressing assembly is in sliding fit with the inner wall of the reserved butt joint hole. According to the utility model, the pressing component slides along the peripheral side surface of the clamping component, the clamping steel ball is pushed out when the wiring circuit is inserted into the reserved butt joint hole, the pressing component slides reversely to squeeze the clamping steel ball, the clamping steel ball is used for clamping and fixing the wiring circuit, the operation of connecting the circuit is simplified, and the direct contact of the circuit during screwing is avoided.
Description
Technical Field
The utility model belongs to the technical field of electric protection, and particularly relates to an overvoltage and overcurrent protection device for electric equipment.
Background
The overvoltage and overcurrent protection device for the electrical equipment is used for protecting a circuit when the voltage and current in the circuit are overloaded, when thunder and lightning weather is met or the voltage and current in the circuit are overloaded, the detection module monitors large current and transmits signals to the trigger to disconnect the main circuit, the contactor is disconnected after a period of time by starting the time relay in the protection device, the power supply is recovered, and the circuit is recovered to work again, so that the protection of the circuit is realized.
When the overvoltage and overcurrent protection device of the general electrical equipment is connected with a circuit, an operator is required to manually screw the connection part of the connecting circuit and the overvoltage and overcurrent protection device of the electrical equipment, the connection and the installation are inconvenient, and in the process of installing or replacing the circuit, the circuit is easy to fall off due to improper operation or too long circuit connection time, so that the use of the equipment is affected. Therefore, we provide an overvoltage and overcurrent protection device for electrical equipment, which is used for solving the technical problems.
Disclosure of utility model
The utility model aims to provide an overvoltage and overcurrent protection device for electrical equipment, which solves the problems in the background technology through the specific structural design of a circuit protection body, a butt joint clamping mechanism and a mounting and fixing mechanism.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
The utility model relates to an overvoltage and overcurrent protection device for electrical equipment, which comprises a circuit protection body, a butt joint clamping mechanism and a mounting and fixing mechanism, wherein a plurality of groups of reserved butt joint holes are symmetrically formed on two opposite side surfaces of the circuit protection body; the butt joint clamping mechanism is arranged in the reserved butt joint hole and comprises a clamping assembly and a pressing assembly, one end of the clamping assembly is fixedly connected to the inner wall of the reserved butt joint hole, the clamping assembly comprises a plurality of clamping steel balls which are arranged in a sliding mode, the pressing assembly is arranged on the peripheral side face of the clamping assembly in a sliding mode, and the peripheral side face of the pressing assembly is in sliding fit with the inner wall of the reserved butt joint hole; the pressing component slides along the peripheral side surface of the clamping component, the clamping steel ball is pushed out when the wiring circuit is inserted into the reserved butt joint hole, the pressing component slides reversely to squeeze the clamping steel ball, the clamping steel ball is used for clamping and fixing the wiring circuit, and the connection clamping of the circuit is realized.
The utility model further discloses a clamping assembly, which comprises a clamping pipe body fixedly connected to the inner wall of the reserved butt joint hole, wherein a plurality of mounting holes are formed in the peripheral side surface of the clamping pipe body, and the clamping steel balls are arranged in the mounting holes in a sliding manner; the clamping tube body is characterized in that a return groove is formed in the peripheral side face of the clamping tube body, a first reset spring is sleeved in the return groove, and one end of the first reset spring is fixedly connected with the clamping tube body.
The utility model further provides a pressing assembly, which comprises a driving shell arranged on the peripheral side surface of the clamping pipe body in a sliding manner, wherein the peripheral side surface of the driving shell is in sliding fit with the inner wall of a reserved butt joint hole; the connecting grooves and the limiting grooves are respectively formed in the two ends of the driving shell, and the other end of the first reset spring is fixedly connected inside the connecting grooves.
The circuit protection device comprises a circuit protection body, and is characterized in that a mounting and fixing mechanism is arranged at the bottom of the circuit protection body and comprises a mounting and positioning assembly and a clamping and fixing assembly, and the mounting and positioning assembly is fixedly arranged at the bottom of the circuit protection body; the installation locating component comprises a locating pipe body fixedly installed at the bottom of the circuit protection body, and L-shaped butt joint grooves are symmetrically formed in the inner wall of the locating pipe body.
The clamping and fixing assembly comprises a mounting plate, wherein the upper surface of the mounting plate is fixedly connected with a butt joint pipe body, the butt joint pipe body is in sliding fit with a positioning pipe body, and the peripheral side surface of the butt joint pipe body is symmetrically and slidably provided with a moving plate; the upper surface of the movable plate is fixedly connected with an L-shaped clamping plate, the L-shaped clamping plate is clamped with an L-shaped butt joint groove, a bidirectional threaded rod is matched between the movable plates in a threaded mode, a second reset spring is fixedly connected between the movable plates, and the second reset spring is sleeved outside the bidirectional threaded rod.
The utility model has the following beneficial effects:
1. According to the utility model, the butt joint clamping mechanism is arranged, the driving shell is manually slid when the circuit is connected, when the connecting circuit is inserted into the reserved butt joint hole, the circuit extrudes the clamping steel ball, after the driving shell is loosened, the driving shell presses the clamping steel ball, and the connecting circuit is clamped by the clamping steel ball, so that the circuit connection step is completed, the circuit connection is simplified, the direct contact of the circuit when the circuit is screwed is avoided, the probability of occurrence of leakage accidents is reduced, and the falling of the circuit in the use process is avoided.
2. According to the utility model, the mounting and fixing mechanism is arranged, when the circuit protection body is mounted, the two L-shaped clamping plates are relatively moved by rotating the bidirectional threaded rod, the positioning pipe body is inserted into the butt joint pipe body, and the two L-shaped clamping plates are relatively moved by reversely rotating the bidirectional threaded rod until the two L-shaped clamping plates are clamped with the L-shaped butt joint grooves, so that the mounting and fixing of the device are completed, the mounting and fixing of the protection device are facilitated, and the replacement and maintenance of equipment are facilitated.
Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an overvoltage and overcurrent protection device for an electrical device.
Fig. 2 is a schematic structural diagram of a circuit protection body in the present utility model.
Fig. 3 is a schematic longitudinal sectional view of the docking and clamping mechanism according to the present utility model.
Fig. 4 is a schematic structural view of a clamping assembly according to the present utility model.
Fig. 5 is a schematic longitudinal sectional view of the pressing assembly according to the present utility model.
FIG. 6 is a schematic view of a portion of the structure of the mounting and positioning assembly of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
The circuit protection device comprises a 1-circuit protection body, a 101-reserved butt joint hole, a 2-butt joint clamping mechanism, a 21-clamping assembly, a 211-clamping steel ball, a 212-clamping pipe body, a 213-return groove, a 214-first reset spring, a 22-pressing assembly, a 221-driving shell, a 222-connecting groove, a 223-limit groove, a 3-installation fixing mechanism, a 31-installation positioning assembly, a 311-positioning pipe body, a 312-L-shaped butt joint groove, a 32-clamping fixing assembly, a 321-installation plate, a 322-butt joint pipe body, a 323-butt joint pipe body, a 324-L-shaped clamping plate, a 325-bidirectional threaded rod and a 326-second reset spring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the utility model relates to an overvoltage and overcurrent protection device for electrical equipment, which comprises a circuit protection body 1, a butt joint clamping mechanism 2 and a mounting and fixing mechanism 3, wherein a plurality of groups of reserved butt joint holes 101 are symmetrically formed on two opposite side surfaces of the circuit protection body 1, and after a connecting circuit is inserted into the reserved butt joint holes 101, overload of the connecting circuit is protected by the circuit protection body 1; the butt joint clamping mechanism 2 is arranged in the reserved butt joint hole 101, the butt joint clamping mechanism 2 comprises a clamping assembly 21 and a pressing assembly 22, one end of the clamping assembly 21 is fixedly connected to the inner wall of the reserved butt joint hole 101, the clamping assembly 21 comprises a plurality of clamping steel balls 211 which are arranged in a sliding mode, through limiting the clamping steel balls 211, connection or disassembly operation of a connecting line is achieved, the pressing assembly 22 is arranged on the peripheral side face of the clamping assembly 21 in a sliding mode, and the peripheral side face of the pressing assembly 22 is in sliding fit with the inner wall of the reserved butt joint hole 101; the pressing component 22 slides along the peripheral side surface of the clamping component 21, the clamping steel ball 211 is pushed out when the wiring circuit is inserted into the reserved butt joint hole 101, the pressing component 22 slides reversely to press the clamping steel ball 211, and the clamping steel ball 211 is used for clamping and fixing the wiring circuit, so that the connection and clamping of the circuit are realized.
In this embodiment of the present utility model, the clamping assembly 21 further includes a clamping tube 212 fixedly connected to the inner wall of the reserved butt joint hole 101, a plurality of mounting holes are formed on the circumferential side surface of the clamping tube 212, the clamping steel balls 211 are slidably disposed in the mounting holes, and the clamping steel balls 211 slide along the inner wall of the mounting holes when an external force is applied to the clamping steel balls 211; the clamping tube 212 is provided with a return groove 213 on the peripheral side surface, a first return spring 214 is sleeved in the return groove 213, and one end of the first return spring 214 is fixedly connected with the clamping tube 212.
In this embodiment of the present utility model, the pressing component 22 includes a driving housing 221 slidably disposed on a peripheral side of the holding tube 212, where the peripheral side of the driving housing 221 is slidably matched with the inner wall of the reserved docking hole 101, and the driving housing 221 can be manually pushed to slide along the inner wall of the reserved docking hole 101 and the peripheral side of the holding tube 212; the two ends of the driving housing 221 are respectively provided with a connecting groove 222 and a limiting groove 223, the other end of the first reset spring 214 is fixedly connected inside the connecting groove 222, and when the driving housing 221 slides and compresses the first reset spring 214, the limiting groove 223 is positioned outside the clamping steel ball 211 to limit the movement of the clamping steel ball 211.
In the embodiment of the utility model, the bottom of the circuit protection body 1 is provided with a mounting and fixing mechanism 3, the mounting and fixing mechanism 3 comprises a mounting and positioning component 31 and a clamping and fixing component 32, and the mounting and positioning component 31 is fixedly arranged at the bottom of the circuit protection body 1; the installation positioning assembly 31 comprises a positioning pipe body 311 fixedly installed at the bottom of the circuit protection body 1, and L-shaped butt joint grooves 312 are symmetrically formed in the inner wall of the positioning pipe body 311.
In this embodiment of the present utility model, the fastening and fixing assembly 32 includes a mounting plate 321, a butt joint pipe body 322 is fixedly connected to the upper surface of the mounting plate 321, the butt joint pipe body 322 is in sliding fit with the positioning pipe body 311, and a moving plate 323 is symmetrically and slidably arranged on the peripheral side surface of the butt joint pipe body 322; the upper surface of the movable plate 323 is fixedly connected with an L-shaped clamping plate 324, the L-shaped clamping plate 324 is clamped with the L-shaped butt joint groove 312, when the L-shaped clamping plate 324 is clamped with the L-shaped butt joint groove 312 to limit the position of the circuit protection body 1, a bidirectional threaded rod 325 is in threaded fit between the two movable plates 323, the two L-shaped clamping plates 324 are driven to be mutually close to or separated from each other when the bidirectional threaded rod 325 rotates, a second reset spring 326 is fixedly connected between the two movable plates 323, and the second reset spring 326 is sleeved outside the bidirectional threaded rod 325.
The working principle of the embodiment is as follows: before the circuit protection body 1 is used, the circuit protection body is installed by utilizing the installation fixing mechanism 3, and the specific operation process is as follows:
The two L-shaped clamping plates 324 are mutually close by rotating the bidirectional threaded rod 325, the second return spring 326 is compressed, the positioning tube body 311 is aligned with the butt joint tube body 322, the circuit protection body 1 is moved until one end of the positioning tube body 311 is attached to the inner bottom of the butt joint tube body 322, the L-shaped clamping plates 324 are positioned inside the positioning tube body 311, the two L-shaped clamping plates 324 are mutually far away by reversely rotating the bidirectional threaded rod 325 and are clamped with the L-shaped butt joint groove 312, and the position limitation of the circuit protection body 1 is completed under the clamping action of the L-shaped clamping plates 324 and the L-shaped butt joint groove 312.
When the line connection is performed, the driving shell 221 is manually pushed to slide along the clamping tube 212, the first reset spring 214 is compressed, the cable end part of the line to be connected is inserted into the reserved butt joint hole 101, the clamping steel ball 211 is extruded outwards by the cable with the line to be connected in the inserting process until the line to be connected is completely inserted into the reserved butt joint hole 101, the driving shell 221 is loosened again, under the elastic reset action of the first reset spring 214, the clamping steel ball 211 is extruded inwards in the sliding process of the driving shell 221, and the cable of the line to be connected is fixed by the clamping steel ball 211.
When the connecting line needs to be disassembled, the driving shell 221 is manually pushed, the force of inward extrusion on the clamping steel ball 211 disappears, the acting force of the clamping steel ball 211 on the cable of the connecting line weakens, the cable of the connecting line is pulled outwards until the cable end part of the connecting line is separated from the reserved butt joint hole 101, the driving shell 221 is loosened, and the connecting line is restored to the original position under the elastic restoring action of the first restoring spring 214, so that the connecting line is connected and disassembled.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.
Claims (7)
1. An overvoltage and overcurrent protection device for an electrical device, comprising:
The circuit protection device comprises a circuit protection body (1), wherein a plurality of groups of reserved butt holes (101) are symmetrically formed in two opposite side surfaces of the circuit protection body (1);
the butt joint clamping mechanism (2), butt joint clamping mechanism (2) is installed inside the reserved butt joint hole (101), butt joint clamping mechanism (2) comprises a clamping component (21) and a pressing component (22), one end of the clamping component (21) is fixedly connected to the inner wall of the reserved butt joint hole (101), the clamping component (21) comprises a plurality of clamping steel balls (211) which are arranged in a sliding mode, the pressing component (22) is arranged on the peripheral side face of the clamping component (21) in a sliding mode, and the peripheral side face of the pressing component (22) is in sliding fit with the inner wall of the reserved butt joint hole (101);
The pressing component (22) slides along the peripheral side surface of the clamping component (21), the clamping steel ball (211) is pushed out when the wiring circuit is inserted into the reserved butt joint hole (101), the pressing component (22) slides reversely to press the clamping steel ball (211), and the clamping steel ball (211) is used for clamping and fixing the wiring circuit, so that the connection clamping of the wiring circuit is realized.
2. The overvoltage and overcurrent protection device for electrical equipment according to claim 1, wherein the clamping assembly (21) further comprises a clamping tube body (212) fixedly connected to the inner wall of the reserved butt joint hole (101), a plurality of mounting holes are formed in the peripheral side face of the clamping tube body (212), and the clamping steel balls (211) are slidably arranged in the mounting holes.
3. The overvoltage and overcurrent protection device for the electrical equipment according to claim 2, wherein a return groove (213) is formed in the peripheral side surface of the clamping tube body (212), a first return spring (214) is sleeved in the return groove (213), and one end of the first return spring (214) is fixedly connected with the clamping tube body (212).
4. An overvoltage and overcurrent protection device for electrical equipment according to claim 3, wherein the pressing component (22) comprises a driving shell (221) which is arranged in a sliding manner and clamps the peripheral side surface of the pipe body (212), and the peripheral side surface of the driving shell (221) is in sliding fit with the inner wall of the reserved butt joint hole (101);
The two ends of the driving shell (221) are respectively provided with a connecting groove (222) and a limiting groove (223), and the other end of the first reset spring (214) is fixedly connected inside the connecting groove (222).
5. The overvoltage and overcurrent protection device for electrical equipment according to claim 4, wherein a mounting and fixing mechanism (3) is arranged at the bottom of the circuit protection body (1), the mounting and fixing mechanism (3) comprises a mounting and positioning assembly (31) and a clamping and fixing assembly (32), and the mounting and positioning assembly (31) is fixedly arranged at the bottom of the circuit protection body (1).
6. The overvoltage and overcurrent protection device for electrical equipment according to claim 5, wherein the mounting and positioning assembly (31) comprises a positioning tube body (311) fixedly mounted at the bottom of the circuit protection body (1), and L-shaped butt joint grooves (312) are symmetrically formed in the inner wall of the positioning tube body (311).
7. The overvoltage and overcurrent protection device for electrical equipment according to claim 6, wherein the clamping and fixing assembly (32) comprises a mounting plate (321), a butt joint pipe body (322) is fixedly connected to the upper surface of the mounting plate (321), the butt joint pipe body (322) is in sliding fit with the positioning pipe body (311), and a movable plate (323) is symmetrically and slidably arranged on the peripheral side surface of the butt joint pipe body (322);
The upper surface of the movable plate (323) is fixedly connected with an L-shaped clamping plate (324), the L-shaped clamping plate (324) is clamped with the L-shaped butt joint groove (312), a bidirectional threaded rod (325) is in threaded fit between the movable plate (323), a second return spring (326) is fixedly connected between the movable plate (323), and the second return spring (326) is sleeved outside the bidirectional threaded rod (325).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322905083.6U CN221447956U (en) | 2023-10-30 | 2023-10-30 | Overvoltage and overcurrent protection device for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322905083.6U CN221447956U (en) | 2023-10-30 | 2023-10-30 | Overvoltage and overcurrent protection device for electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221447956U true CN221447956U (en) | 2024-07-30 |
Family
ID=92062094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322905083.6U Active CN221447956U (en) | 2023-10-30 | 2023-10-30 | Overvoltage and overcurrent protection device for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221447956U (en) |
-
2023
- 2023-10-30 CN CN202322905083.6U patent/CN221447956U/en active Active
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