CN214313104U

CN214313104U - Leakage protector

Info

Publication number: CN214313104U
Application number: CN202120675962.2U
Authority: CN
Inventors: 王汉利
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-09-28
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses a leakage protector, which comprises a rear cover plate, an upper cover, an action spring, an inlet wire plug, a protective casing, a cross bar, an iron core, a clamp spring, a reset rod, a waterproof button, a lower cover, an output wiring, a leakage induction coil, a reset spring, a circuit board and an action coil, wherein three output wirings corresponding to each other are uniformly welded at the bottom end of one side of the circuit board, the leakage induction coils are welded at the bottom ends of one side of the circuit board and are positioned right above the output wiring, the center of one side of the circuit board is welded with one side of the action coil, the reset spring is placed in the action coil, the top end of the reset spring is attached to the bottom end of the iron core, the leakage protector changes the connecting mode in the prior art by directly welding the output wiring and the leakage induction coil with the circuit board, thereby being beneficial to assembly, the service life of the device is also prolonged.

Description

Leakage protector

Technical Field

The utility model relates to a earth-leakage protector technical field specifically is an earth-leakage protector.

Background

The leakage protector is also called leakage breaker and leakage switch, and is mainly used for protecting the electric shock of the human body with fatal danger when the equipment has leakage fault. The overload and short-circuit protection device has overload and short-circuit protection functions, can be used for protecting overload and short circuit of a line or a motor, and can also be used for starting the line in an infrequent switching mode under normal conditions. When the power grid is grounded, the leakage protector can normally work, wherein in the process of assembling the leakage protector, the output wiring and the leakage induction coil are respectively connected with the circuit board by using the conducting wires, but when the leakage protector is assembled by adopting the mode, the output wiring and the leakage induction coil are easily separated from the circuit board under the condition of using the leakage protector for a long time, so that the service life of the leakage protector is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a leakage protector to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a leakage protector comprises a rear cover plate, an upper cover, an action spring, an incoming line plug, a protective shell, a cross bar, an iron core, a clamp spring, a reset rod, a waterproof key, a lower cover, output wiring, leakage induction coils, a reset spring, a circuit board and an action coil, wherein three output wiring corresponding to each other are uniformly welded at the bottom end of one side of the circuit board, the leakage induction coils are welded at the bottom ends of one side of the circuit board and are positioned right above the output wiring, the center of one side of the circuit board is welded with one side of the action coil, the reset spring is placed inside the action coil, the top end of the reset spring is attached to the bottom end of the iron core, the bottom end of the iron core is positioned inside the action coil, and one end of the reset rod penetrates through holes formed in the top ends of the circuit board and the lower cover and is mutually matched and connected with the top end of the waterproof key, one side of waterproof button and one side these tops that the lower cover is close to the circuit board mutually support fixed connection, the edge of circuit board evenly sets up the draw-in groove that a plurality of mutually correspond, and this draw-in groove is mutually supported with the kelly that the inside of lower cover evenly set up respectively and is connected, the both sides of crosspiece pole are located inside the recess that protective housing was seted up near one side both ends of output wiring respectively, one side and the inlet wire plug fixed connection of circuit board are kept away from to protective housing, the other end of action spring and the inside one side top fixed connection of upper cover, screw fixed connection is passed through with one side of lower cover to one side of upper cover, screw fixed connection is passed through with one side of back shroud in one side bottom of lower cover, wiring recess has respectively been seted up in the bottom center department of back shroud and the bottom center punishment of lower cover.

Furthermore, a clamping groove formed in the top end of the iron core is clamped with a clamp spring, and the clamping groove formed in the center of the top end of the clamp spring is connected with one end of the bottom of the reset rod in a matched mode.

Furthermore, the other end of the reset rod penetrates through a through hole formed in the center of the crosspiece rod, a through hole formed in the top end of the center of the protective shell and a through hole formed in the center of the incoming line plug and is fixedly connected with one end of the action spring, and the crosspiece rod is located on the reset rod and is in sliding connection with the action spring.

Furthermore, both ends of one side of the crosspiece rod, which is close to the protective casing, are respectively and fixedly connected with the movable contact pieces, the movable contact pieces are mutually matched and connected with the output wiring through wires, meanwhile, the movable contact pieces are mutually matched and connected with the static contact pieces arranged inside the protective casing, and through holes formed in the static contact pieces penetrating through the protective casing are mutually matched and connected with the incoming line plug.

Furthermore, one end of the incoming line plug, which is far away from the protective shell, penetrates through a through hole formed in the top end of the center of the upper cover and is located outside a cavity formed by the upper cover, the rear cover plate and the lower cover.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a, through with output wiring and leakage inductance coil direct and circuit board welding to saved the step of assembling among the wiring process, changed the connected mode in the tradition, not only be favorable to the equipment, still prolonged the device's life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an overall structure front view of the present invention;

fig. 2, fig. 3, fig. 4 and fig. 5 are all exploded views of the overall structure of the present invention;

in the figure: 1. a rear cover plate; 2. an upper cover; 3. an action spring; 4. an incoming line plug; 5. a protective housing; 6. a rail bar; 7. an iron core; 8. a clamp spring; 9. a reset lever; 10. waterproof keys; 11. a lower cover; 12. an output connection wire; 13. a leakage inductance coil; 14. a return spring; 15. a circuit board; 16. and an action coil.

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. 1-5, the present invention provides a technical solution: a leakage protector comprises a rear cover plate 1, an upper cover 2, an action spring 3, an incoming line plug 4, a protective shell 5, a crosspiece rod 6, an iron core 7, a snap spring 8, a reset rod 9, a waterproof button 10, a lower cover 11, an output wiring 12, a leakage induction coil 13, a reset spring 14, a circuit board 15 and an action coil 16, wherein three output wiring 12 corresponding to each other are uniformly welded at the bottom end of one side of the circuit board 15, the leakage induction coils 13 are welded at the bottom ends of one side of the circuit board 15 and are positioned right above the output wiring 12, the center of one side of the circuit board 15 is welded with one side of the action coil 16, the reset spring 14 is placed inside the action coil 16, the top end of the reset spring 14 is attached to the bottom end of the iron core 7, the bottom end of the iron core 7 is positioned inside the action coil 16, and a clamping groove formed in the top end of the iron core 7 is clamped with the snap spring 8, the clamping groove formed in the center of the top end of the clamp spring 8 is mutually matched and connected with one end of the bottom of the reset rod 9, so that the reset rod 9 can be limited by the installed clamp spring 8, one end of the reset rod 9 is respectively matched and connected with the top ends of the circuit board 15 and the lower cover 11 through the through holes formed in the top ends, one side of the waterproof key 10 is mutually matched and fixedly connected with the top ends of the lower cover 11 close to the circuit board 15, the edge of the circuit board 15 is uniformly provided with a plurality of corresponding clamping grooves, the clamping grooves are respectively matched and connected with the clamping rods uniformly arranged in the lower cover 11, the other end of the reset rod 9 is matched and connected with the through hole formed in the center of the transverse rod 6, the through hole formed in the top end of the center of the protective shell 5 and the through hole formed in the center of the inlet wire plug 4 and is fixedly connected with one end of the action spring 3, the transverse rod 6 is positioned on the reset rod 9 in a sliding connection, the moving of the crosspiece rod 6 is facilitated, two sides of the crosspiece rod 6 are respectively positioned inside a groove formed in two ends of one side of the protective shell 5, which is close to the output wiring 12, two ends of one side of the crosspiece rod 6, which is close to the protective shell 5, are respectively fixedly connected with the movable contact piece, the movable contact piece is mutually matched and connected with the output wiring 12 through a lead, the movable contact piece is mutually matched and connected with a static contact piece arranged inside the protective shell 5, the static contact piece is mutually matched and connected with the incoming line plug 4 through a through hole formed in the protective shell 5, one side of the protective shell 5, which is far away from the circuit board 15, is fixedly connected with the incoming line plug 4, the other end of the action spring 3 is fixedly connected with the top end of one side inside the upper cover 2, one end of the incoming line plug 4, which is far away from the protective shell 5, is arranged outside a cavity formed by the upper cover 2, the rear cover plate 1 and the lower cover 11, one side of the upper cover 2 is fixedly connected with one side of the lower cover 11 through screws, the bottom end of one side of the lower cover 11 is fixedly connected with one side of the rear cover plate 1 through screws, and wiring grooves are respectively formed in the center of the bottom end of the rear cover plate 1 and the center of the bottom end of the lower cover 11; when the utility model is used, the back cover plate 1 is separated from the lower cover 11 by manual work, then the wires required to be connected are fixedly connected with the output wiring 12, then the back cover plate 1 is fixedly connected with the lower cover 11, then the incoming line plug 4 is inserted into the socket required to be installed, the device can be used, in the process of using the device, if the phenomenon of short circuit or open circuit occurs, the iron core 7 and the snap spring 8 are driven to move by the work of the action coil 16, and the reset spring 14 is in the contraction state, the snap spring 8 is separated from the reset rod 9 by the movement of the snap spring 8, then the crosspiece rod 6 is positioned on the snap spring 8 to move by the elasticity of the action spring 3, and the snap spring 8 moves to the side far away from the upper cover 2, the movable contact piece installed on the crosspiece rod 6 is separated from the static contact piece by the movement of the crosspiece rod 6, and the device plays a role of protection, can maintain the circuit afterwards, after the maintenance is accomplished, the manual work makes release link 9 reverse movement through pressing down waterproof button 10, and then inside the draw-in groove of seting up on release link 9 was located on the removal messenger jump ring 8 of release link 9 of utilizing release link 9, and reset spring 14 can be in resetting means this moment, then make action spring 3 reset through the limiting displacement that jump ring 8 played reset link 9, the removal of the movable contact that utilizes the removal of release link 9 to drive the installation on the crosspiece pole 6 simultaneously, and then make movable contact and static contact laminate each other, thereby make the device normally work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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

1. The utility model provides a leakage protector, includes back shroud (1), upper cover (2), action spring (3), inlet wire plug (4), protecting sheathing (5), crosspiece pole (6), iron core (7), jump ring (8), release link (9), waterproof button (10), lower cover (11), output wiring (12), electric leakage induction coil (13), reset spring (14), circuit board (15) and action coil (16), its characterized in that: the bottom end of one side of the circuit board (15) is uniformly welded with three output connecting wires (12) which correspond to each other, the bottom ends of one side of the circuit board (15) are welded with leakage induction coils (13), the leakage induction coils (13) are positioned right above the output connecting wires (12), the center of one side of the circuit board (15) is welded with one side of an action coil (16), a reset spring (14) is placed in the action coil (16), the top end of the reset spring (14) is attached to the bottom end of an iron core (7), the bottom end of the iron core (7) is positioned in the action coil (16), one end of a reset rod (9) is respectively penetrated through holes formed in the top ends of the circuit board (15) and a lower cover (11) and is mutually matched and connected with the top end of a waterproof key (10), one side of the waterproof key (10) is mutually matched and fixedly connected with the top end of one side, close to the circuit board (15), of the lower cover (11), a plurality of corresponding clamping grooves are uniformly arranged at the edge of the circuit board (15), and the clamping grooves are respectively matched and connected with clamping rods uniformly arranged in the lower cover (11), the two sides of the crosspiece rod (6) are respectively positioned in the grooves arranged at the two ends of one side of the protective shell (5) close to the output wiring (12), one side of the protective shell (5) far away from the circuit board (15) is fixedly connected with the incoming line plug (4), the other end of the action spring (3) is fixedly connected with the top end of one side inside the upper cover (2), one side of the upper cover (2) is fixedly connected with one side of the lower cover (11) through screws, the bottom end of one side of the lower cover (11) is fixedly connected with one side of the rear cover plate (1) through screws, and wiring grooves are respectively formed in the center of the bottom end of the rear cover plate (1) and the center of the bottom end of the lower cover (11).

2. A leakage protector according to claim 1, wherein: the iron core is characterized in that a clamping groove formed in the top end of the iron core (7) is clamped with a clamping spring (8) in a mutual clamping mode, and the clamping groove formed in the center of the top end of the clamping spring (8) is connected with one end of the bottom of the reset rod (9) in a matched mode.

3. A leakage protector according to claim 1, wherein: the other end of the reset rod (9) penetrates through a through hole formed in the center of the cross rod (6), a through hole formed in the top end of the center of the protective shell (5) and a through hole formed in the center of the incoming line plug (4) and is fixedly connected with one end of the action spring (3), and the cross rod (6) is located on the reset rod (9) and is in sliding connection.

4. A leakage protector according to claim 1, wherein: the two ends of one side of the crosspiece rod (6) close to the protective shell (5) are respectively fixedly connected with the movable contact pieces, the movable contact pieces are mutually matched and connected with the output wiring (12) through wires, meanwhile, the movable contact pieces are mutually matched and connected with the static contact pieces arranged inside the protective shell (5), and the through holes formed in the static contact pieces penetrating through the protective shell (5) are mutually matched and connected with the incoming line plug (4).

5. A leakage protector according to claim 1, wherein: one end of the incoming line plug (4), which is far away from the protective shell (5), penetrates through a through hole formed in the top end of the center of the upper cover (2) and is located outside a cavity formed by the upper cover (2), the rear cover plate (1) and the lower cover (11).