CN213877940U - Take arc control device's circuit breaker - Google Patents
Take arc control device's circuit breaker Download PDFInfo
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- CN213877940U CN213877940U CN202120110459.2U CN202120110459U CN213877940U CN 213877940 U CN213877940 U CN 213877940U CN 202120110459 U CN202120110459 U CN 202120110459U CN 213877940 U CN213877940 U CN 213877940U
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- arc extinguishing
- installation cavity
- sliding
- circuit breaker
- sliding block
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Abstract
The utility model discloses a circuit breaker with an arc extinguishing device, which comprises an installation shell, a driving mechanism, an opening and closing mechanism and an arc extinguishing mechanism; installing a shell: the middle part of the installation shell is provided with an installation cavity, the middle parts of the left and right side plate bodies of the installation shell are respectively provided with a threading hole, the middle part of the inner lower end of the installation cavity is provided with a first chute, the inner left lower end of the installation cavity is provided with a second chute, the inner upper end of the installation cavity is provided with a third chute, and a slide block arranged at the left end of the transmission inclined slide block is in sliding connection with the second chute; a driving mechanism: the sliding block is arranged at the upper end inside the mounting cavity, and the sliding block arranged in the middle of the driving mechanism is in sliding connection with the third sliding chute; the opening and closing mechanism comprises: the lower end of the left side of the opening and closing mechanism is fixedly connected with the upper end of the transmission inclined slide block, and the opening and closing mechanism is meshed with the driving mechanism; arc extinguishing mechanism: set up in the middle part lower extreme of installation cavity, this take arc extinguishing device's circuit breaker can improve the arc extinguishing effect.
Description
Technical Field
The utility model relates to a circuit breaker technical field specifically is a take arc control device's circuit breaker.
Background
The circuit breaker is a switching device which can close, bear and break the current under the condition of a normal loop and can close, bear and break the current under the condition of an abnormal loop within a specified time, the circuit breaker is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the using range, the dividing of the high-voltage and low-voltage boundary lines is fuzzy, the circuit breaker is generally called as a high-voltage electrical appliance with the voltage of more than 3KV, the circuit breaker can be used for distributing electric energy, an asynchronous motor is not frequently started, a power supply circuit, a motor and the like are protected, when the circuit breaker has serious overload, short circuit, undervoltage and other faults, the circuit breaker can automatically break the circuit, the function of the circuit breaker is equivalent to the combination of a fuse type switch and an over-under-heat relay and the like, and parts are generally not required to be changed after the fault current is broken, at present, the circuit breaker is widely applied, in order to ensure the safety of electricity utilization, an arc extinguishing device is arranged in the circuit breaker to extinguish the arc generated when the circuit is opened, traditional arc control device sets up a fixed arc-extinguishing cover at the junction lower extreme of moving contact and static contact, and this kind of arc control device structure is too simple, and the in-process arc-extinguishing cover that opens and shuts at the circuit is in fixed state all the time, can't guarantee that the electric arc that the circuit produced between moving contact and the static contact can effectively conduct on the arc-extinguishing cover when opening and shutting, and the arc extinguishing effect is poor, consequently for solving this type of problem, we provide a circuit breaker of taking arc control device.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a take arc extinguishing device's circuit breaker, can improve the arc extinguishing effect, can effectively solve the problem among the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a circuit breaker with an arc extinguishing device comprises an installation shell, a driving mechanism, an opening and closing mechanism and an arc extinguishing mechanism;
installing a shell: the middle part of the installation shell is provided with an installation cavity, the middle parts of the left and right side plate bodies of the installation shell are respectively provided with a threading hole, the middle part of the inner lower end of the installation cavity is provided with a first chute, the inner left lower end of the installation cavity is provided with a second chute, the inner upper end of the installation cavity is provided with a third chute, and a slide block arranged at the left end of the transmission inclined slide block is in sliding connection with the second chute;
a driving mechanism: the sliding block is arranged at the upper end inside the mounting cavity, and the sliding block arranged in the middle of the driving mechanism is in sliding connection with the third sliding chute;
the opening and closing mechanism comprises: the lower end of the left side of the opening and closing mechanism is fixedly connected with the upper end of the transmission inclined slide block, and the opening and closing mechanism is meshed with the driving mechanism;
arc extinguishing mechanism: set up in the middle part lower extreme of installation cavity, the slider and the first spout sliding connection that arc extinguishing mechanism middle part set up, the left side of arc extinguishing mechanism and the right side inclined plane sliding connection of the oblique slider of transmission can drive the arc extinguishing cover at the in-process that opens and shuts and carry out synchronous motion to this guarantees that the electric arc that the circuit produced between moving contact and the static contact can effectively conduct the arc extinguishing cover when opening and shutting, improves the arc extinguishing effect.
Further, actuating mechanism includes spanner, power semi-gear, drive gear, double-sided toothed plate and drive gear, power semi-gear and drive gear all rotate through the pivot and connect in the inside upper end of installation cavity, drive gear is connected with power semi-gear meshing, the spanner sets up in the upper end of power semi-gear, slider and third spout sliding connection that double-sided toothed plate middle part set up, the top tooth and the drive gear meshing of double-sided rack board are connected, drive gear rotates through the pivot and connects in the inside left side upper end of installation cavity, drive gear is connected with the below tooth meshing of double-sided toothed plate, drive other parts move.
Furthermore, the opening and closing mechanism comprises a rack, a moving contact, a fixed contact, a spring wire and two wiring blocks, the number of the wiring blocks is two, the wiring blocks are symmetrically arranged at the left end and the right end of the inside of the installation cavity, the two wiring blocks correspond to the positions of the threading holes in the left side and the right side respectively, the rack is arranged at the upper end of the transmission inclined sliding block and is meshed with the driving gear, the moving contact is arranged at the left end of the rack, the fixed contact is arranged at the right end of the inside of the installation cavity and corresponds to the position of the moving contact, the spring wire is arranged between the left wiring block and the rack and between the right wiring block and the fixed contact, and opening and closing operation of a circuit can be achieved.
Further, arc extinguishing mechanism includes passive slider, spring and fixing base to one side, the fixing base sets up in the inside lower extreme of installation cavity, and the upper surface of fixing base is equipped with the spring of two symmetric distributions, the upper end of spring all with the lower extreme fixed connection of passive slider to one side, the slider and the first spout sliding connection of passive slider right-hand member setting to one side, the left side inclined plane of passive slider to one side and the right side inclined plane sliding connection of the oblique slider of transmission can drive the top part and remove.
Further, arc extinguishing mechanism still includes the arc extinguishing cover, the arc extinguishing cover sets up in the upper end of passive oblique slider, and the arc extinguishing cover is located between moving contact and the static contact, can realize the arc extinguishing effect.
Compared with the prior art, the beneficial effects of the utility model are that: this take circuit breaker of arc extinguishing device has following benefit:
when the line needs to be closed, a wrench is pulled leftwards to enable a power half gear to rotate anticlockwise, the power half gear drives a transmission gear to rotate clockwise, the rotating force of the transmission gear drives a double-sided toothed lath to slide leftwards along a third sliding groove, the force of the double-sided toothed lath sliding leftwards drives a driving gear to rotate anticlockwise, the driving gear drives a rack and a moving contact to move rightwards, the rack moves rightwards synchronously and drives a transmission oblique sliding block to move rightwards along a second sliding groove, the force of the transmission oblique sliding block moving rightwards acts on an oblique plane on the left side of a driven oblique sliding block through an oblique plane on the right side of the transmission oblique sliding block, the driven oblique sliding block moves downwards along the first sliding groove, and a spring is compressed, so that the driven oblique sliding block drives an arc extinguishing cover above the driven oblique sliding block to move downwards, the arc extinguishing cover synchronously moves downwards while the moving contact moves rightwards, and the closing operation of the line is further realized, when the circuit needs the disconnection, wrench right is pulled, make below part antiport, the rack area transmission slide block returns initial position to one side, passive slide block loses the pressure of transmission slide block to one side, passive slide block area arc-extinguishing cover rebound of top to one side returns between moving contact and static contact under the effect of spring, it uses fixed arc-extinguishing cover to carry out the arc extinguishing to be different from traditional circuit breaker, this circuit breaker can drive the arc-extinguishing cover at the in-process that opens and shuts and carry out synchronous motion, on this arc that guarantees the circuit and produce between moving contact and the static contact when opening and shutting can effectively conduct the arc-extinguishing cover, improve the arc extinguishing effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a mounting shell 1, a mounting cavity 2, a threading hole 3, a first sliding chute 4, a second sliding chute 5, a driving mechanism 6, a wrench 61, a power half gear 62, a transmission gear 63, a double-sided rack plate 64, a driving gear 65, an opening and closing mechanism 7, a rack 71, a moving contact 72, a static contact 73, a spring wire 74, a wiring block 75, a transmission oblique sliding block 8, an arc extinguishing mechanism 9, a driven oblique sliding block 91, a spring 92, an arc extinguishing cover 93, a fixed seat 94 and a third sliding chute 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a circuit breaker with an arc extinguishing device comprises a mounting shell 1, a driving mechanism 6, an opening and closing mechanism 7 and an arc extinguishing mechanism 9;
installing the shell 1: the installation shell 1 protects internal components, an installation cavity 2 is arranged in the middle of the installation shell, the installation cavity 2 facilitates installation of other components, threading holes 3 are formed in the middle of plate bodies on the left side and the right side of the installation shell 1, the threading holes 3 facilitate access of external electric wires, a first sliding chute 4 is formed in the middle of the lower end of the interior of the installation cavity 2, a second sliding chute 5 is formed in the lower end of the left side of the interior of the installation cavity 2, a third sliding chute 10 is formed in the upper end of the interior of the installation cavity 2, a sliding block arranged at the left end of a transmission inclined sliding block 8 is in sliding connection with the second sliding chute 5, the first sliding chute 4, the second sliding chute 5 and the third sliding chute 10 provide guide for movement of other components, a wire inlet end and a wire outlet end of the external electric wires are respectively inserted into circular holes correspondingly formed in a wiring block 75 through the threading holes 3, the external electric wires are fixed through bolts, and connection of the circuit breaker is achieved;
the driving mechanism 6: the driving mechanism 6 provides power for the operation of other components, is arranged at the upper end inside the installation cavity 2, a sliding block arranged in the middle of the driving mechanism 6 is connected with the third sliding chute 10 in a sliding manner, the driving mechanism 6 comprises a wrench 61, a power half gear 62, a transmission gear 63, a double-sided toothed lath 64 and a driving gear 65, the power half gear 62 and the transmission gear 63 are both connected with the upper end inside the installation cavity 2 in a rotating manner through rotating shafts, the transmission gear 63 is connected with the power half gear 62 in a meshing manner, the wrench 61 is arranged at the upper end of the power half gear 62, the sliding block arranged in the middle of the double-sided toothed lath 64 is connected with the third sliding chute 10 in a sliding manner, teeth above the double-sided toothed lath 64 are connected with the transmission gear 63 in a meshing manner, the driving gear 65 is connected with the upper end on the left side inside the installation cavity 2 in a rotating manner through the rotating shafts, the driving gear 65 is connected with teeth below the double-sided toothed lath 64 in a meshing manner, when a circuit needs to be closed, the wrench 61 is pulled leftwards, so that the power half gear 62 rotates anticlockwise, the power half gear 62 drives the transmission gear 63 to rotate clockwise, the rotating force of the transmission gear 63 drives the double-sided rack plate 64 to slide leftwards along the third sliding chute 10, and the force of the double-sided rack plate 64 sliding leftwards drives the driving gear 65 to rotate anticlockwise;
opening and closing mechanism 7: the switching mechanism 7 can realize the switching of a circuit, is arranged in the middle of the installation cavity 2, the lower end of the left side of the switching mechanism 7 is fixedly connected with the upper end of the transmission inclined slide block 8, the switching mechanism 7 is meshed with the driving mechanism 6, the switching mechanism 7 comprises a rack 71, a movable contact 72, a static contact 73, a spring wire 74 and junction blocks 75, the number of the junction blocks 75 is two, the junction blocks 75 are symmetrically arranged at the left end and the right end in the installation cavity 2, the two junction blocks 75 respectively correspond to the positions of the threading holes 3 at the left side and the right side, the rack 71 is arranged at the upper end of the transmission inclined slide block 8, the rack 71 is a power-off rack, the rack 71 is meshed with the driving gear 65, the movable contact 72 is arranged at the left end of the rack 71, the static contact 73 is arranged at the right end in the installation cavity 2, the static contact 73 corresponds to the position of the movable contact 72, and the spring wires 74 are arranged between the junction block 75 and the rack 71 at the left side and between the junction block 75 and the static contact 73 at the right side, the driving gear 65 drives the rack 71 and the moving contact 72 to move rightwards, and the rack 71 moves rightwards and simultaneously drives the transmission inclined slide block 8 to move rightwards synchronously along the second sliding chute 5;
the arc extinguishing mechanism 9: the arc extinguishing mechanism 9 is used for extinguishing arc generated when a line is opened and closed, and is arranged at the lower end of the middle part of the installation cavity 2, a sliding block arranged at the middle part of the arc extinguishing mechanism 9 is in sliding connection with the first sliding groove 4, the left side of the arc extinguishing mechanism 9 is in sliding connection with the right inclined surface of the transmission inclined sliding block 8, the arc extinguishing mechanism 9 comprises a driven inclined sliding block 91, a spring 92 and a fixed seat 94, the fixed seat 94 is arranged at the lower end inside the installation cavity 2, the upper surface of the fixed seat 94 is provided with two symmetrically distributed springs 92, the upper end of each spring 92 is fixedly connected with the lower end of the corresponding driven inclined sliding block 91, a sliding block arranged at the right end of the corresponding driven inclined sliding block 91 is in sliding connection with the first sliding groove 4, the left inclined surface of the corresponding driven inclined sliding block 91 is in sliding connection with the right inclined surface of the corresponding transmission inclined sliding block 8, the arc extinguishing mechanism 9 further comprises an arc extinguishing cover 93, the arc extinguishing cover 93 is arranged at the upper end of the corresponding driven inclined sliding block 91, the arc extinguishing cover 93 is positioned between the moving contact 72 and the static contact 73, the force of the right movement of the transmission inclined slide block 8 acts on the left inclined surface of the driven inclined slide block 91 through the right inclined surface of the transmission inclined slide block 8, so that the driven inclined slide block 91 moves downwards along the first sliding groove 4, the spring 92 is compressed, the driven inclined slide block 91 drives the arc extinguishing chamber 93 above the driven inclined slide block to move downwards, the arc extinguishing chamber 93 synchronously moves downwards while the moving contact 72 moves rightwards, and further the circuit is closed.
When in use: the incoming line end and the outgoing line end of an external electric wire are respectively inserted into round holes correspondingly formed in a wiring block 75 through a threading hole 3, the external electric wire is fixed through bolts, so that the connection of the circuit breaker is realized, when a line needs to be closed, a wrench 61 is pulled leftwards to enable a power half gear 62 to rotate anticlockwise, the power half gear 62 drives a transmission gear 63 to rotate clockwise, the rotating force of the transmission gear 63 drives a double-sided rack plate 64 to slide leftwards along a third sliding chute 10, the force of the double-sided rack plate 64 sliding leftwards drives a driving gear 65 to rotate anticlockwise, the driving gear 65 drives a rack 71 and a moving contact 72 to move rightwards, the rack 71 drives a transmission oblique sliding block 8 to move rightwards synchronously along a second sliding chute 5 while moving rightwards, and the force of the transmission oblique sliding block 8 moving rightwards is applied to the left inclined plane of a driven oblique sliding block 91 through an inclined plane on the right side of the transmission oblique sliding block 8, make passive oblique slider 91 move down along first spout 4, spring 92 compresses, so that passive oblique slider 91 takes the arc-extinguishing chamber 93 of top to move down, so that realize moving contact 72 and move down simultaneously in step arc-extinguishing chamber 93, and then realize the closed operation of circuit, when the circuit needs to break off, pull spanner 61 right, make below part antiport, rack 71 takes the oblique slider 8 of transmission to return initial position, passive oblique slider 91 loses the pressure of the oblique slider 8 of transmission, passive oblique slider 91 takes the arc-extinguishing chamber 93 of top to move up back between moving contact 72 and static contact 73 under the effect of spring 92.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a take arc control device's circuit breaker which characterized in that: comprises a mounting shell (1), a driving mechanism (6), an opening and closing mechanism (7) and an arc extinguishing mechanism (9);
mounting the housing (1): the middle part of the installation shell (1) is provided with an installation cavity (2), the middle parts of the left and right side plate bodies of the installation shell (1) are respectively provided with a threading hole (3), the middle part of the inner lower end of the installation cavity (2) is provided with a first sliding chute (4), the inner left lower end of the installation cavity (2) is provided with a second sliding chute (5), the inner upper end of the installation cavity (2) is provided with a third sliding chute (10), and a sliding block arranged at the left end of a transmission inclined sliding block (8) is in sliding connection with the second sliding chute (5);
drive mechanism (6): the sliding block is arranged at the upper end inside the mounting cavity (2), and the sliding block arranged in the middle of the driving mechanism (6) is in sliding connection with the third sliding chute (10);
opening and closing mechanism (7): the lower end of the left side of the opening and closing mechanism (7) is fixedly connected with the upper end of the transmission inclined slide block (8), and the opening and closing mechanism (7) is meshed with the driving mechanism (6);
arc extinguishing mechanism (9): the lower end of the middle of the installation cavity (2) is provided with a sliding block arranged in the middle of the arc extinguishing mechanism (9) and a first sliding groove (4) which are connected in a sliding mode, and the left side of the arc extinguishing mechanism (9) is connected with the right inclined plane of the transmission inclined sliding block (8) in a sliding mode.
2. The circuit breaker with an arc extinguishing device according to claim 1, characterized in that: actuating mechanism (6) are including spanner (61), power semi-gear (62), drive gear (63), double-sided rack board (64) and drive gear (65), power semi-gear (62) and drive gear (63) all rotate through the pivot and connect in the inside upper end of installation cavity (2), drive gear (63) are connected with power semi-gear (62) meshing, spanner (61) set up in the upper end of power semi-gear (62), slider and third spout (10) sliding connection that double-sided rack board (64) middle part set up, the top tooth and the drive gear (63) meshing of double-sided rack board (64) are connected, drive gear (65) rotate through the pivot and connect in the inside left side upper end of installation cavity (2), drive gear (65) are connected with the below tooth meshing of double-sided rack board (64).
3. The circuit breaker with an arc extinguishing device according to claim 2, characterized in that: the opening and closing mechanism (7) comprises a rack (71), a moving contact (72), a fixed contact (73), a spring wire (74) and a junction block (75), the number of the wiring blocks (75) is two, the wiring blocks (75) are symmetrically arranged at the left end and the right end of the inner portion of the installation cavity (2), the two wiring blocks (75) correspond to the positions of the threading holes (3) on the left side and the right side respectively, the rack (71) is arranged at the upper end of the transmission inclined sliding block (8), the rack (71) is meshed with the driving gear (65) to be connected, the moving contact (72) is arranged at the left end of the rack (71), the static contact (73) is arranged at the right end of the inner portion of the installation cavity (2), the static contact (73) corresponds to the position of the moving contact (72), and spring wires (74) are arranged between the wiring blocks (75) on the left side and the rack (71) and between the wiring blocks (75) on the right side and the static contact (73).
4. The circuit breaker with an arc extinguishing device according to claim 3, characterized in that: arc extinguishing mechanism (9) are including driven slider (91) to one side, spring (92) and fixing base (94), fixing base (94) set up in the inside lower extreme of installation cavity (2), and the upper surface of fixing base (94) is equipped with spring (92) of two symmetric distributions, the upper end of spring (92) all with driven lower extreme fixed connection to one side slider (91), the slider and first spout (4) sliding connection of driven slider (91) right-hand member setting to one side, the left side inclined plane of driven slider (91) to one side and the right side inclined plane sliding connection of the oblique slider (8) of transmission.
5. The circuit breaker with an arc extinguishing device according to claim 4, characterized in that: the arc extinguishing mechanism (9) further comprises an arc extinguishing cover (93), the arc extinguishing cover (93) is arranged at the upper end of the driven inclined sliding block (91), and the arc extinguishing cover (93) is located between the moving contact (72) and the static contact (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120110459.2U CN213877940U (en) | 2021-01-15 | 2021-01-15 | Take arc control device's circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120110459.2U CN213877940U (en) | 2021-01-15 | 2021-01-15 | Take arc control device's circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213877940U true CN213877940U (en) | 2021-08-03 |
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ID=77046262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120110459.2U Active CN213877940U (en) | 2021-01-15 | 2021-01-15 | Take arc control device's circuit breaker |
Country Status (1)
| Country | Link |
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| CN (1) | CN213877940U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114334488A (en) * | 2022-03-10 | 2022-04-12 | 江西省农业科学院农产品加工研究所 | Electric switch device for automatically feeding grains |
-
2021
- 2021-01-15 CN CN202120110459.2U patent/CN213877940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114334488A (en) * | 2022-03-10 | 2022-04-12 | 江西省农业科学院农产品加工研究所 | Electric switch device for automatically feeding grains |
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