CN209298048U - Tripping mechanism and earth leakage protective device - Google Patents
Tripping mechanism and earth leakage protective device Download PDFInfo
- Publication number
- CN209298048U CN209298048U CN201920225030.0U CN201920225030U CN209298048U CN 209298048 U CN209298048 U CN 209298048U CN 201920225030 U CN201920225030 U CN 201920225030U CN 209298048 U CN209298048 U CN 209298048U
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- interconnecting piece
- earth leakage
- leakage protective
- protective device
- iron core
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Abstract
The utility model relates to a kind of tripping mechanism and earth leakage protective devices; earth leakage protective device includes circuit board and work package; work package includes reset button, magnet ring, coil, static contact group and moving contact group; tripping mechanism includes the iron core being arranged in coil, the interconnecting piece for connecting iron core and reset button and the holding section by the first elastic component and interconnecting piece clamping; through-hole is provided on iron core, one end of interconnecting piece passes through through-hole and connect with iron core；It is provided at least one first protruding portion on interconnecting piece, the groove with the first protruding portion clamping is provided on holding section.Through-hole is passed through by one end that one end in iron core is provided with through-hole and makes interconnecting piece to connect with iron core; the first protruding portion is provided on interconnecting piece simultaneously; the groove with the first protruding portion clamping is provided on holding section; so that the first protruding portion is with groove clamping so that moving contact group is contacted or separated with static contact group; achieve the purpose that protect equipment and personal safety, structure simple and easy to operate.
Description
Technical field
The utility model relates to a kind of tripping mechanism and earth leakage protective devices, belong to earth leakage protective field.
Background technique
Earth leakage protective device, abbreviation leakage switch, is called leakage circuit breakers, is primarily used to when leak current fault occurs for equipment
And the personal electrical shock protection to there is fatal risk, there is overload and short-circuit protection function, can be used to protection circuit or motor
Overload and short circuit, also can under normal circumstances as route infrequently conversion starting be used.Earth leakage protective device can be by it
The classification such as defencive function, structure feature, mounting means, the method for operation, number of poles and line number, action sensitivity, mainly presses it here
Defencive function and purpose classification are described, and be generally can be divided into electric leakage protection relay, earth leakage circuit-breaker and earth leakage protective and are inserted
Three kinds of seat, but the tripping mechanism in earth leakage protective device in the prior art is generally required through locking plate and is realized, was designed and is
It is many and diverse and unreliable.
Utility model content
It is simple and convenient to operate the purpose of this utility model is to provide a kind of structure and more structurally sound tripping mechanism and leakage
Non-electricity protector.
In order to achieve the above objectives, the utility model provides the following technical solutions: a kind of tripping mechanism, is used for earth leakage protective device
In, the earth leakage protective device includes circuit board and work package, and the work package includes that the circuit board is arranged in
Reset button, the coil that the magnet ring side is arranged in, is arranged in the coil two magnet ring being arranged in below the circuit board
The static contact group and moving contact group of side, the tripping mechanism include the iron core being arranged in the coil, for connecting the iron
The interconnecting piece of core and the reset button and under the elastic force effect of the first elastic component with the interconnecting piece clamping so that described
Moving contact group acts on the holding section of the static contact group, and through-hole is provided on the iron core, and one end of the interconnecting piece passes through
The through-hole is connect with the iron core；It is provided at least one first protruding portion on the interconnecting piece, is arranged on the holding section
There is the groove with the first protruding portion clamping.
Further, sliding slot is provided in the reset button, one end of the interconnecting piece is provided with matches with the sliding slot
The sliding block of conjunction, the interconnecting piece can be rotated by the sliding block relative to the reset button.
Further, the rotation angle range is greater than 0 ° and to be less than or equal to 90 °.
Further, the second protruding portion is provided on the holding section, second protruding portion promotes the moving contact group
It is connect with the static contact group.
Further, the holding section is provided with the opening to accommodate the interconnecting piece, and the groove is arranged described
At least side of opening.
Further, the second elastic component is provided between the iron core and the coil.
The utility model additionally provides a kind of earth leakage protective device, and the earth leakage protective device includes tripping machine as described above
Structure.
Further, the earth leakage protective device further includes the shell being arranged on the outside of the circuit board and work package, institute
Stating shell includes upper casing and lower casing, is provided with buckle on one of the upper casing and lower casing, the upper casing and lower casing it is another
It is provided on one and the fixture block being clasped.
Further, the static contact group includes static contact, the static contact include from the bending part of the outside bending in one end,
The bending part is U-shaped, and the bending part and the shell clamping and setting are in the hull outside.
Further, the earth leakage protective device further includes testing button, and setting has point of contact on the testing button, described
The tie point connecting with the contact point is provided on circuit board, the contact point directly acts on the tie point to be surveyed
Examination.
The utility model has the beneficial effects that: being provided with through-hole by one end in iron core and making one end of interconnecting piece
It is connect across through-hole with iron core, while being provided with the first protruding portion on interconnecting piece, be provided on holding section and protruded with first
The groove of portion's clamping so that the first protruding portion with the groove clamping so that moving contact group is contacted or is separated with static contact group,
Achieve the purpose that protect equipment and personal safety, structure simple and easy to operate；The de- mouth mechanism of the utility model directly will be even
Socket part is connect with iron core, avoids passing through this indirect connection type of locking plate, achievees the effect that improve tripping efficiency and safety.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the single unit system of the earth leakage protective device of the utility model.
Fig. 2 is the partial schematic diagram in Fig. 1.
Fig. 3 is the structural schematic diagram of tripping mechanism in Fig. 1.
Fig. 4 is the explosive view of Fig. 3.
Fig. 5 be reset button in conjunction with interconnecting piece after structural schematic diagram.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Referring to Figure 1, the earth leakage protective device in a preferred embodiment of the utility model includes circuit board 5, work package
And the shell 1 on the outside of the circuit board 5 and work package is set, the shell 1 includes upper casing 11 and lower casing 12, the upper casing
Be provided with buckle 111 on one of 11 and lower casing 12, be provided on another of the upper casing 11 and lower casing 12 with it is described
The fixture block 121 of 111 cooperation of buckle.In the present embodiment, it is provided with buckle 111 on the upper casing 11, is arranged on the lower casing 12
There is fixture block 121, to achieve the purpose that the fixed upper casing 11 and lower casing 12 after buckling 111 with the fixture block 121 fastening.
The work package includes the reset button 2 that 5 top of circuit board is arranged in, is arranged in the reset button 2
The testing button 3 of side, the magnet ring being arranged in below the circuit board 5, the coil 8 that the magnet ring side is arranged in, setting exist
The static contact group 4 and moving contact group 9 of 8 two sides of coil and the tripping mechanism 7 being connect with the reset button 2.The test
Setting has point of contact on button 3, and the tie point 51 connecting with the contact point, the tie point are provided on the circuit board 5
51 connect with the moving contact group 9 simultaneously, press the testing button 3 so that the contact point directly acts on the connection
Point 51 is to be tested.
The tripping mechanism 7 include be arranged in the coil 8 iron core 73, for connect the iron core 73 with it is described multiple
Position button 2 interconnecting piece 71 and the first elastic component elastic force effect under with 71 clamping of interconnecting piece so that the dynamic touching
Head group 9 acts on the holding section 72 of the static contact group 4.In the present embodiment, first elastic component is spring.Wherein, institute
It states and is provided with through-hole 731 on iron core 73, one end of the interconnecting piece 71 passes through the through-hole 731 and connect with the iron core 73.Institute
It states and is provided with sliding slot 21 in reset button 2, one end of the interconnecting piece 71 is provided with the sliding block 711 with the sliding slot 21 cooperation,
The interconnecting piece 71 slides into the sliding slot 21 by the sliding block 711 and can rotate relative to the reset button 2.In the present embodiment
In, the rotation angle range is greater than 0 ° and to be less than or equal to 90 °.Jagged 22 are arranged in the reset button 2, the notch
22 shape and the shape of the interconnecting piece 71 match, the interconnecting piece 71 be rotated by 90 ° compared to the reset button 2 so that
It obtains the sliding block 711 and slides into sliding slot 21, achieve the purpose that interconnecting piece 71 is connect with reset button 2.
At least one first protruding portion 712 is provided on the interconnecting piece 71, be provided on the holding section 72 with it is described
The groove 722 of first protruding portion, 712 clamping.In the present embodiment, there are two the first protruding portions for setting on the interconnecting piece 71
712, correspondingly, two grooves 722 with 712 clamping of the first protruding portion are provided on the holding section 72, so that even
Socket part 71 is steady by 712 clamping of the first protruding portion with holding section 72.First elastic component is close to the reset button 2
It is arranged and is supported with the first protruding portion 712.The holding section 72 is provided with the opening 723 to accommodate the interconnecting piece 71, institute
State at least side that the opening 723 is arranged in groove 722.Correspondingly, in the present embodiment, the groove 722 is arranged in institute
State the two sides of opening 723.The interconnecting piece 71 is rotated compared to the reset button 2, so that first protruding portion 712 reaches
It is resetted behind 722 position of groove, so that the first protruding portion 712 is held in the groove 722 to realize the interconnecting piece 71
With 72 clamping of holding section.
The static contact group 4 includes static contact 4, and the static contact 4 includes from the bending part of the outside bending in one end, the folding
Turn of bilge is U-shaped, and the bending part and 1 clamping of shell are simultaneously arranged in 1 outside of shell to connect with outside line.It is described
Moving contact group 9 includes moving contact 9, and the moving contact 9 is separated with the static contact 4 under normal conditions.It is arranged on the holding section 72
There is the second protruding portion 731, second protruding portion 731 promotes the moving contact group 9 to connect with the static contact group 4.When described
When interconnecting piece 71 and 72 clamping of holding section, the interconnecting piece 71 promotes the clamping under the action of the first elastic component
Portion 72 moves upwards, thus second protruding portion 731 and 9 clamping of moving contact and promote the moving contact 9 with it is described quiet
Contact 4 connects.The other end of the earth leakage protective device is additionally provided with the copper sheet 6 connecting with the moving contact group 9, the copper sheet 6
From the bending part of the outside bending in one end, the bending part is U-shaped, and the copper sheet 6 be arranged in the outside of the shell 1 with it is outer
Portion's connection.When by earth leakage protective device connection in circuit, the copper sheet 6, moving contact group 9, static contact group 4 form logical
Road is to work.
It is provided with the second elastic component between the iron core 73 and the coil 8, when the iron core 73 is fallen back in the coil 8
Afterwards, iron core 73 described in second resilient element urges and interconnecting piece 71 reset.In the present embodiment, second elastic component is bullet
Spring.
The operating principle of the utility model is as follows:
In closed state, when leaky occurs for outside line, the electric current across magnet ring is not equal to zero, and magnet ring will
Induced voltage is generated, whether by 5 integrated circuit of circuit board, calculating is electric leakage signal.If it is electric leakage signal, circuit board 5 will
Control it is silicon-controlled make its export a voltage be added on coil 8, make coil 8 generate induced magnetic field, and push iron core 73 and connection
Portion 71, so that interconnecting piece 71 is separated with the holding section 72 does not keep caught state, effect of the reset button 2 in the first elastic component
Under pop up, the second protruding portion 731 moves downward under the elastic force effect of moving contact group 9, so that moving contact 9 and static contact 4
Separation, reaches breaking effect.
In hand-reset, press the reset button 2, and adjust the interconnecting piece 71 and holding section 72 angle so that
It obtains first protruding portion 712 to be housed in the groove 722, reset button 2 moves upwards under the action of the first elastic component
And holding section 72 is driven to move upwards, so that the moving contact 9 is connect with static contact 4.
In summary: by being provided with through-hole 731 in one end of iron core 73 and one end of interconnecting piece 71 being made to pass through through-hole
731 connect with iron core 73, while the first protruding portion 712 is provided on interconnecting piece 71, are provided on holding section 72 and first
The groove 722 of 712 clamping of protruding portion so that the first protruding portion 712 with 722 clamping of groove so that moving contact group 9 with it is quiet
The contact of sets of contacts 4 separates, and achievees the purpose that protect equipment and personal safety, structure simple and easy to operate.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of tripping mechanism, in earth leakage protective device, the earth leakage protective device to include circuit board and work package, the work
Include the reset button that the circuit board is set, the magnet ring being arranged in below the circuit board, be arranged in institute as component
The static contact group and moving contact group stated the coil of magnet ring side, the coil two sides are set, which is characterized in that the tripping machine
Structure includes the iron core being arranged in the coil, the interconnecting piece for connecting the iron core and the reset button and first
With the interconnecting piece clamping so that the moving contact group acts on the clamping of the static contact group under the elastic force effect of elastic component
Portion, through-hole is provided on the iron core, and one end of the interconnecting piece passes through the through-hole and connect with the iron core；The interconnecting piece
On be provided at least one first protruding portion, the groove with the first protruding portion clamping is provided on the holding section.
2. tripping mechanism as described in claim 1, which is characterized in that be provided with sliding slot, the connection in the reset button
The one end in portion is provided with the sliding block with sliding slot cooperation, and the interconnecting piece can the relatively described reset button rotation by the sliding block
Turn.
3. tripping mechanism as claimed in claim 2, which is characterized in that the rotation angle range is greater than 0 ° and to be less than or equal to
90°。
4. tripping mechanism as described in claim 1, which is characterized in that the second protruding portion is provided on the holding section, it is described
Second protruding portion promotes the moving contact group to connect with the static contact group.
5. tripping mechanism as described in claim 1, which is characterized in that the holding section is provided with to accommodate the interconnecting piece
Opening, at least side of the opening is arranged in the groove.
6. tripping mechanism as described in claim 1, which is characterized in that be provided with the second bullet between the iron core and the coil
Property part.
7. a kind of earth leakage protective device, which is characterized in that the earth leakage protective device includes as described in any one of claims 1 to 6
Tripping mechanism.
8. earth leakage protective device as claimed in claim 7, which is characterized in that the earth leakage protective device further includes being arranged in the electricity
Shell on the outside of road plate and work package, the shell include upper casing and lower casing, are set on one of the upper casing and lower casing
It is equipped with buckle, is provided with and the fixture block being clasped on another of the upper casing and lower casing.
9. earth leakage protective device as claimed in claim 8, which is characterized in that the static contact group includes static contact, the stationary contact
Head includes from the bending part of the outside bending in one end, and the bending part is U-shaped, and the bending part and the shell clamping and setting exist
The hull outside.
10. earth leakage protective device as claimed in claim 7, which is characterized in that the earth leakage protective device further includes testing button, institute
It states setting on testing button to have point of contact, the tie point connecting with the contact point, the contact is provided on the circuit board
Point directly acts on the tie point to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920225030.0U CN209298048U (en) | 2019-02-22 | 2019-02-22 | Tripping mechanism and earth leakage protective device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920225030.0U CN209298048U (en) | 2019-02-22 | 2019-02-22 | Tripping mechanism and earth leakage protective device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209298048U true CN209298048U (en) | 2019-08-23 |
Family
ID=67642870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920225030.0U Active CN209298048U (en) | 2019-02-22 | 2019-02-22 | Tripping mechanism and earth leakage protective device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209298048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786187A (en) * | 2019-02-22 | 2019-05-21 | 苏州立仕德电气科技有限公司 | Tripping mechanism and earth leakage protective device |
-
2019
- 2019-02-22 CN CN201920225030.0U patent/CN209298048U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109786187A (en) * | 2019-02-22 | 2019-05-21 | 苏州立仕德电气科技有限公司 | Tripping mechanism and earth leakage protective device |
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