CN213483688U - Leakage tripping device of circuit breaker - Google Patents
Leakage tripping device of circuit breaker Download PDFInfo
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- CN213483688U CN213483688U CN202022461585.0U CN202022461585U CN213483688U CN 213483688 U CN213483688 U CN 213483688U CN 202022461585 U CN202022461585 U CN 202022461585U CN 213483688 U CN213483688 U CN 213483688U
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Abstract
The utility model discloses an electric leakage tripping device of a circuit breaker, which comprises a shell, wherein a pin shaft is arranged in the shell, a closing handle is arranged on the pin shaft, a through hole matched with the closing handle is arranged on the right side wall of the shell, the right end of the closing handle passes through the shell, a guide rod is fixedly arranged at the left end of the closing handle, a reset spring is arranged on the bottom outer wall of the guide rod, the bottom end of the reset spring is fixedly connected with the bottom inner wall of the shell, and an installation rod is movably connected on the top outer wall of the guide rod. The circuit breaker is beneficial to being used on the circuit breaker.
Description
Technical Field
The utility model relates to a circuit breaker technical field especially relates to a leakage tripping device of circuit breaker.
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 for a predetermined time. The function of the device is not only the function of manual switch, but also the device can automatically carry out the voltage loss, undervoltage, overload and short-circuit protection. The circuit breaker is generally added with remote automatic opening and closing functions and leakage protection functions by externally hanging an electric operating mechanism or a leakage tripping mechanism.
The electric leakage tripping transmission structure of the existing circuit breaker is complex and lacks a self-locking function, is easy to reset, has no safety, and has low safety performance, so that the electric leakage tripping device of the circuit breaker is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a leakage tripping device of circuit breaker, the leakage tripping device of this circuit breaker of aim at has self-locking function, has fine insurance function when reseing the combined floodgate, and the security performance can improve.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a leakage tripping device of a circuit breaker comprises a shell, wherein a pin shaft is installed in the shell, a closing handle is installed on the pin shaft, a through hole matched with the closing handle is formed in the right side wall of the shell, the right end of the closing handle penetrates through the shell, a guide rod is fixedly installed at the left end of the closing handle, a return spring is installed on the outer wall of the bottom of the guide rod, the bottom end of the return spring is fixedly connected with the inner wall of the bottom of the shell, an installation rod is movably connected to the outer wall of the top of the guide rod, a linkage rod is installed at the top of the installation rod, a moving block is fixedly installed at the top end of the linkage rod, the moving block is movably connected with the inner wall of the shell, a rack is installed at the top of the moving block, a gear is meshed on the right side wall of the rack, the right end of the worm is provided with a rotating rod, a guide sleeve is movably connected at the joint of the rotating rod and the worm, the guide sleeve is fixedly arranged on the inner wall of the shell, the rotating rod is movably connected with the inner wall of the shell, and the right end of the rotating rod penetrates through the shell and is fixedly provided with a rotating block.
Preferably, in the above leakage tripping device for a circuit breaker, a rubber buffer block is disposed at the bottom of the guide rod, and the bottom end of the rubber buffer block is fixedly connected to the inner wall of the bottom of the housing.
Based on the technical characteristics, the rubber buffer block is arranged, so that the switch-on handle can bounce when electricity leaks, and a good buffer function is achieved.
Preferably, in the above leakage tripping device for a circuit breaker, a limit groove is vertically formed in an inner wall of the housing, and the rear end of the moving block is movably connected to the limit groove and movably connected to the inner wall of the housing through the limit groove.
Based on the technical characteristics, the moving block can stably move up and down on the inner wall of the shell through the arrangement and installation of the limiting groove.
Preferably, in the above leakage tripping device for a circuit breaker, a bearing is installed on an inner cavity wall of the housing, and an inner wall of the bearing is connected to an outer wall of the rotating rod.
Based on the technical characteristics, the rotating rod is convenient to rotate and the like through the installation of the bearing.
Preferably, in the above leakage tripping device for a circuit breaker, the outer wall of the rotating block is provided with anti-slip hemp threads.
Based on the technical characteristics, the rotating block is provided with the anti-skidding hemp threads so as to rotate the worm.
The utility model has the advantages that: the utility model discloses a holistic linkage structure of electric leakage trip gear of circuit breaker sets up rationally, the effect of realization electric leakage trip that can be fine, automatic separating brake function to through worm gear's setting, have self-locking function, can have fine insurance function when the combined floodgate that resets, the security performance can improve, is favorable to using on the circuit breaker.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a housing; 2. a pin shaft; 3. a switch-on handle; 4. a return spring; 5. a rubber buffer block; 6. a guide bar; 7. mounting a rod; 8. a linkage rod; 9. a moving block; 10. a limiting groove; 11. a rack; 12. a gear; 13. a worm; 14. a guide sleeve; 15. a rotating rod; 16. a bearing; 17. and (6) turning the block.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the embodiment is an electric leakage tripping device of a circuit breaker, which includes a housing 1, a pin shaft 2 is installed in the housing 1, a closing handle 3 is installed on the pin shaft 2, a through hole matched with the closing handle 3 is formed on a right side wall of the housing 1, a right end of the closing handle 3 passes through the housing 1, a guide rod 6 is fixedly installed at a left end of the closing handle 3, a return spring 4 is installed on an outer wall of a bottom of the guide rod 6, a bottom end of the return spring 4 is fixedly connected with an inner wall of the bottom of the housing 1, an installation rod 7 is movably connected to an outer wall of a top of the guide rod 6, a linkage rod 8 is installed at a top of the installation rod 7, a moving block 9 is fixedly installed at a top end of the linkage rod 8, the moving block 9 is movably connected with the inner wall of the housing 1, a rack 11 is installed at a top of, the top of the worm wheel is engaged with a worm 13, the right end of the worm 13 is provided with a rotating rod 15, the joint of the rotating rod 15 and the worm 13 is movably connected with a guide sleeve 14, the guide sleeve 14 is fixedly arranged on the inner wall of the shell 1, the rotating rod 15 is movably connected with the inner wall of the shell 1, and the right end of the rotating rod 15 penetrates through the shell 1 and is fixedly provided with a rotating block 17;
preferably, the bottom of the guide rod 6 is provided with a rubber buffer block 5, the bottom end of the rubber buffer block 5 is fixedly connected with the inner wall of the bottom of the shell 1, and the switch-on handle 3 can jump when electricity leaks through the installation of the rubber buffer block 5, so that a good buffer function is achieved;
preferably, the inner wall of the housing 1 is vertically provided with a limiting groove 10, the rear end of the moving block 9 is movably connected with the limiting groove 10 and is movably connected with the inner wall of the housing 1 through the limiting groove 10, and the moving block 9 can stably move up and down on the inner wall of the housing 1 through the opening and installation of the limiting groove 10;
preferably, a bearing 16 is installed on the inner cavity wall of the housing 1, the inner wall of the bearing 16 is connected with the outer wall of the rotating rod 15, and the rotating rod 15 is installed through the bearing 16, so that the rotating rod is convenient to rotate and the like;
preferably, the outer wall of the rotating block 17 is provided with anti-slip hemp threads, and the rotating block 17 is provided with the anti-slip hemp threads so as to rotate the worm 13 conveniently.
The utility model discloses a concrete implementation, the utility model discloses a holistic linkage structure of electric leakage trip gear of circuit breaker sets up rationally, when using, at decompression, under-voltage, overload, and the automatic separating brake function of short circuit, combined floodgate handle 3 moves upwards, guide arm 6, installation pole 7, gangbar 8, movable block 9 all moves down, and then can drive rack 11 and move, install the worm wheel through the ratchet on the shaft of power of gear 12, gear 12 can rotate to the folk prescription, the idle running of gear 12 is driven in the motion of rack 11, worm 13 is static this moment, when closing a floodgate, otherwise, worm wheel, worm 13 have self-locking function, it rotates to rotate runner 15 and worm 13 to rotate runner 17, at this moment, worm 13 can drive worm wheel and gear 12 and rotate, and then can drive rack 11 and move, through guide arm 6, installation pole 7, gangbar 8, The linkage of movable block 9, and then can drive combined floodgate handle 3 and reset the operation, can have fine insurance function when resetting combined floodgate, and the security performance can improve, is favorable to using on the circuit breaker.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments 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 invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a leakage trip gear of circuit breaker, includes casing (1), its characterized in that: a pin shaft (2) is installed in the shell (1), a closing handle (3) is installed on the pin shaft (2), a through hole matched with the closing handle (3) is formed in the right side wall of the shell (1), the right end of the closing handle (3) penetrates through the shell (1), a guide rod (6) is fixedly installed at the left end of the closing handle (3), a reset spring (4) is installed on the outer wall of the bottom of the guide rod (6), the bottom end of the reset spring (4) is fixedly connected with the inner wall of the bottom of the shell (1), an installation rod (7) is movably connected onto the outer wall of the top of the guide rod (6), a linkage rod (8) is installed at the top of the installation rod (7), a moving block (9) is fixedly installed at the top end of the linkage rod (8), the moving block (9) is movably connected with the inner wall of the shell (1), and a rack (11) is installed at the, the right side wall of the rack (11) is meshed with a gear (12), a worm wheel is mounted on a power shaft of the gear (12), a worm (13) is meshed at the top of the worm wheel, a rotating rod (15) is mounted at the right end of the worm (13), a guide sleeve (14) is movably connected at the joint of the rotating rod (15) and the worm (13), the guide sleeve (14) is fixedly mounted on the inner wall of the shell (1), the rotating rod (15) is movably connected with the inner wall of the shell (1), and the right end of the rotating rod (15) penetrates through the shell (1) and is fixedly mounted with a rotating block (17).
2. A residual current tripping device for a circuit breaker according to claim 1, characterized in that: the bottom of guide arm (6) is provided with rubber buffer block (5), the bottom inner wall of bottom fixed connection casing (1) of rubber buffer block (5).
3. A residual current tripping device for a circuit breaker according to claim 1, characterized in that: the inner wall of the shell (1) is vertically provided with a limiting groove (10), and the rear end of the moving block (9) is movably connected with the limiting groove (10) and is movably connected with the inner wall of the shell (1) through the limiting groove (10).
4. A residual current tripping device for a circuit breaker according to claim 1, characterized in that: and a bearing (16) is arranged on the wall of the inner cavity of the shell (1), and the inner wall of the bearing (16) is connected with the outer wall of the rotating rod (15).
5. A residual current tripping device for a circuit breaker according to claim 1, characterized in that: the outer wall of the rotating block (17) is provided with anti-skid hemp grains.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022461585.0U CN213483688U (en) | 2020-10-29 | 2020-10-29 | Leakage tripping device of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022461585.0U CN213483688U (en) | 2020-10-29 | 2020-10-29 | Leakage tripping device of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213483688U true CN213483688U (en) | 2021-06-18 |
Family
ID=76368648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022461585.0U Active CN213483688U (en) | 2020-10-29 | 2020-10-29 | Leakage tripping device of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213483688U (en) |
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2020
- 2020-10-29 CN CN202022461585.0U patent/CN213483688U/en active Active
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