CN209571377U - A kind of leakage circuit breakers testing button device and leakage circuit breakers - Google Patents
A kind of leakage circuit breakers testing button device and leakage circuit breakers Download PDFInfo
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- CN209571377U CN209571377U CN201920806589.2U CN201920806589U CN209571377U CN 209571377 U CN209571377 U CN 209571377U CN 201920806589 U CN201920806589 U CN 201920806589U CN 209571377 U CN209571377 U CN 209571377U
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- testing button
- circuit breakers
- leakage circuit
- engaging portion
- button device
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Abstract
The utility model provides a kind of leakage circuit breakers testing button device and leakage circuit breakers, wherein leakage circuit breakers testing button device includes: engaging portion, is set on shell；Testing button is slidably mounted on shell, is provided at least one towards the side of engaging portion and can be abutted with engaging portion and flexible deformation occurs is elastically engaged portion, and when the portion of being elastically engaged resets, push to test button restores initial position；Movable contact spring links with testing button and is arranged, contacts or disconnect with static contact.Since the portion of being elastically engaged is to be arranged on the testing button, and the volume of testing button is larger with respect to pressure spring, facilitates control, and, in assembly, moderate finite deformation does not occur for the portion of being elastically engaged of testing button, and the resistance being subject in assembly is smaller, can also make to assemble laborsaving.In addition, it is only necessary to assemble testing button, spring plate and quiet elastic slice, compared with prior art, eliminate the setting and installation of pressure spring, structure member is less, and assembly process is simple, and production cost is low.
Description
Technical field
The utility model relates to leakage circuit breakers technical fields, and in particular to a kind of leakage circuit breakers testing button device and
Leakage circuit breakers.
Background technique
Leakage circuit breakers is one kind in electric leakage, can be cut off the power rapidly, with the electric appliance peace for preventing electric shock accidents from occurring
Full device.Leakage circuit breakers includes testing button device and reset button apparatus, is clearly advised in specification GB13955 installing and using
Determining leakage circuit breakers testing button device must monthly press once, to determine that can the earth leakage protective device of leakage circuit breakers normal
Work.
Testing button device include testing button, for testing button provide reset biasing force pressure spring, be located at testing button
The reed of moving of lower section, and the quiet spring leaf opposite with reed of moving, move reed and quiet spring leaf pass through respectively conducting wire with
Circuit board electrical connection.When needing to start test function, testing button is pressed, the testing button of decline can be with moving below
Switch jaw contact, and push against reed of moving and move downward until its movable end is contacted with quiet spring leaf, so that test loop is connected；
When not needing using test function, stop pressing testing button, testing button will reset under the action of pressure spring, that is, restore
To position when not being pressed.Pressure spring is used in above-mentioned testing button device, pressure spring is the installation that is pressurized during installation, because of pressure
Spring has restorable trend, so that pressure spring is during installation and bad installation；And testing button device include test by
Button, pressure spring, move reed and quiet spring leaf, structure member is more, and assembly process is complicated, high production cost.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome testing button in the prior art it is bad installation,
Structure member is more, assembly process is complicated, the defect of high production cost, to provide, a kind of structure is simple, assembly process is simple, raw
Produce leakage circuit breakers testing button device at low cost, and the leakage circuit breakers with the leakage circuit breakers testing button device.
For this purpose, the utility model provides a kind of leakage circuit breakers testing button device, comprising:
Engaging portion is set on shell；
Testing button is slidably mounted on shell, and the side of engaging portion is provided at least one can be with knot
Conjunction portion abutting generation flexible deformation is elastically engaged portion, and when the portion of being elastically engaged resets, push to test button restores initial position；
Static contact is arranged on shell；
Movable contact spring links with testing button and is arranged, contacts or disconnect with static contact.
As a preferred embodiment, the portion of being elastically engaged is the elastic arm extended towards engaging portion direction, the end of elastic arm with
Engaging portion abuts.
As a preferred embodiment, engaging portion is the baffle with the extending direction setting in a certain angle of elastic arm, elasticity
Arm can be abutted with the side walls towards elastic arm of baffle.
As a preferred embodiment, there are two oblique with the extending direction setting in a certain angle of elastic arm for engaging portion tool
Face, the intersection point on two inclined-planes are located at the side towards elastic arm of engaging portion, and there are two elastic arm tools, and two elastic arms respectively can be with
Corresponding inclined-plane slides against.
As a preferred embodiment, movable contact spring is fixedly mounted on testing button.
As a preferred embodiment, one end of the separate engaging portion of testing button forms the first card slot, the first card slot
Setting direction has the bending part for protruding into the first card slot on movable contact spring perpendicular to the moving direction of testing button.
As a preferred embodiment, the interconnecting piece connecting with bending part is provided on movable contact spring, interconnecting piece is parallel to test
It button moving direction and is conducted after testing button is pressed mobile setting position with static contact.
As a preferred embodiment, static contact is the conducting wire being connected on the second card slot of shell.
As a preferred embodiment, the both ends of testing button, which are formed, cooperates the block to offset with case top inner wall.
A kind of leakage circuit breakers, including breaker, and tested with the leakage circuit breakers as described above of breaker splicing
PBU pushbutton unit.
Technical solutions of the utility model have the advantages that
1. leakage circuit breakers testing button device provided by the utility model, including testing button, engaging portion, static contact and
Movable contact spring, testing button are slidably mounted on shell, and the side of engaging portion is provided at least one can be with combination
Portion's abutting generation flexible deformation is elastically engaged portion, and when the portion of being elastically engaged resets, push to test button restores initial position.Due to
The portion of being elastically engaged is to be arranged on the testing button, and the volume of testing button is larger with respect to pressure spring, facilitates control, therefore,
It is more laborsaving when assembly, moreover, the portion of being elastically engaged of testing button does not deform or does not occur moderate finite deformation in assembly,
The resistance that testing button is subject in assembly is smaller, can also make to assemble laborsaving.In addition, in assembly, it is only necessary to which assembly test is pressed
Button, spring plate and quiet elastic slice eliminate the setting and installation of pressure spring, structure member is less, assembly process compared with prior art
Simply, production cost is low.
2. leakage circuit breakers testing button device provided by the utility model, the portion of being elastically engaged is to extend towards engaging portion direction
Two elastic arms, there are two inclined-plane with the extending direction setting in a certain angle of elastic arm, two elastic arms for engaging portion tool
It can be slid against respectively with corresponding inclined-plane, testing button is pressed when being moved to setting position, and elastic arm is slided along inclined-plane,
To side flexible deformation, when removing pressing force, elastic arm restores deformation, and push to test button restores initial position, phase interworking
The elastic arm and inclined-plane of conjunction have the advantages that structure is simple, and two elastic arms can slide against respectively with corresponding inclined-plane, energy
It is enough to play the role of guiding when testing button is mobile.
3. leakage circuit breakers testing button device provided by the utility model, movable contact spring are fixedly mounted on testing button,
Make to install between movable contact spring and testing button so more compact, occupies little space, so that shell more minimizes, to subtract
Production cost is lacked.
4. leakage circuit breakers testing button device provided by the utility model, one end of the separate engaging portion of testing button at
Type has the first card slot, and the setting direction of the first card slot has on movable contact spring perpendicular to the moving direction of testing button and protrudes into first
The bending part of card slot, when installation, the bending part of movable contact spring protrudes into the first card slot of testing button, cooperates with testing button and is clamped,
It is quickly and expediently installed in this way, improves assembly efficiency.
5. leakage circuit breakers testing button device provided by the utility model, it is provided on movable contact spring and is connect with bending part
Interconnecting piece, interconnecting piece be parallel to testing button moving direction and after testing button is pressed mobile setting position with static contact
Conduct, since interconnecting piece is parallel to testing button moving direction so that installed between movable contact spring and testing button it is more compact,
It occupies little space.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the perspective view of the leakage circuit breakers of the utility model；
Fig. 2 is the structural schematic diagram of leakage circuit breakers testing button device；
Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2；
Fig. 4 is that the structural schematic diagram after movable contact spring and static contact is removed in Fig. 3；
Fig. 5 is the decomposition texture schematic diagram of testing button and movable contact spring.
Description of symbols: 1, shell；11, engaging portion；12, inclined-plane；13, the second card slot；2, testing button；21, elastic
Auxiliary section；22, block；23, the first card slot；3, movable contact spring；31, bending part；32, interconnecting piece；4, static contact；5, breaker；51,
Handle.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment
The present embodiment provides a kind of leakage circuit breakers, as shown in Figs 1-4, including breaker 5, and splice with breaker 5
Leakage circuit breakers testing button device, leakage circuit breakers testing button device includes testing button 2, engaging portion 11, movable contact spring 3
With static contact 4.
The outer wall of testing button 2 and the handle 51 of breaker 5 are located at same operation horizontal plane, and top is pressed face as arc
Shape face, the both ends of testing button 2, which are formed, cooperates the block 22 to offset with 1 top inner wall of shell, and testing button 2 is removable
Ground is installed on the shell 1, and towards the side setting of the engaging portion 11, there are two can abut hair with the engaging portion 11
Raw flexible deformation is elastically engaged portion 21, and the portion 21 that is elastically engaged is the elastic arm extended towards 11 direction of engaging portion, institute
The end for stating elastic arm is abutted with the engaging portion 11, described when being elastically engaged portion 21 and resetting, and the testing button 2 is pushed to restore
Initial position.
As shown in figure 4, engaging portion 11 is the gore taken shape on shell 1, there are two prolong with the elastic arm for tool
Stretch the inclined-plane 12 of direction setting in a certain angle, the intersection point on two inclined-planes 12 be located at the engaging portion 11 towards the elasticity
The side of arm, there are two the elastic arm tools, and two elastic arms can slide against respectively with the corresponding inclined-plane 12.This
In embodiment, engaging portion 11 and 1 one of shell are pressed and molded.
As shown in figure 5, movable contact spring 3 is fixedly mounted on the testing button 2, there is bending part 31 and connect with bending part 31
The interconnecting piece 32 connect.One end far from the engaging portion 11 of the testing button 2 forms the first card slot 23, first card
The setting direction of slot 23 is perpendicular to the moving direction of the testing button 2, and bending part 31 protrudes into the first card slot 23, with testing button
2 clampings；Interconnecting piece 32 is parallel to 2 moving direction of testing button and is pressed mobile setting position in the testing button 2
It is conducted afterwards with the static contact 4.
Static contact 4 is the conducting wire being connected on the second card slot 13 of the shell 1.
The leakage circuit breakers testing button device of the present embodiment due to being elastically engaged portion 21 is arranged in the testing button
On 2, and the volume of testing button 2 is larger with respect to pressure spring, facilitates control, and therefore, when assembly is more laborsaving, moreover, assembling
When testing button 2 the portion 21 that is elastically engaged do not deform or do not occur moderate finite deformation, the resistance that testing button 2 is subject in assembly
Power is smaller, can also make to assemble laborsaving.In addition, in assembly, it is only necessary to testing button 2, movable contact spring 3 and static contact 4 are assembled, and it is existing
There is technology to compare, eliminates the setting and installation of pressure spring, structure member is less, and assembly process is simple, and production cost is low.
As disposable embodiment, the portion of being elastically engaged be may be disposed on shell 1, and engaging portion is set to testing button 2
Towards the side in the portion that is elastically engaged.
As disposable embodiment, engaging portion 11 is and the extending direction setting in a certain angle of the elastic arm
Baffle, the elastic arm can be abutted with the side walls towards the elastic arm of the baffle.
As disposable embodiment, engaging portion 11 have abutted with elastic arm, the circle to bring it about flexible deformation
Cambered surface.
The working principle of the leakage circuit breakers testing button device of the present embodiment is as follows:
When moving down it with pressed by external force testing button 2, two elastic arms slide against with corresponding inclined-plane 12,
And flexible deformation, testing button 2 drive the interconnecting piece 32 of movable contact spring 3 to be moved to setting position while mobile outward, with
Static contact 4 conducts；After removing external force, elastic arm restores deformation, and driving testing button 2 is moved to initial position, meanwhile, it surveys
Trying button 2 drives movable contact spring 3 to move, so that interconnecting piece 32 is disconnected with static contact 4.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (10)
1. a kind of leakage circuit breakers testing button device, it is characterised in that: include:
Engaging portion (11) is set on shell (1)；
Testing button (2) is slidably mounted on the shell (1), is provided with towards the side of the engaging portion (11)
At least one can be abutted with the engaging portion (11) occurs being elastically engaged portion (21) for flexible deformation, described to be elastically engaged portion (21)
When reset, the testing button (2) is pushed to restore initial position；
Static contact (4) is arranged on the shell (1)；
Movable contact spring (3) links with the testing button (2) and is arranged, contacts or disconnect with the static contact (4).
2. leakage circuit breakers testing button device according to claim 1, it is characterised in that: described to be elastically engaged portion (21)
For the elastic arm extended towards the engaging portion (11) direction, the end of the elastic arm is abutted with the engaging portion (11).
3. leakage circuit breakers testing button device according to claim 2, it is characterised in that: the engaging portion (11) be with
The baffle of the extending direction of elastic arm setting in a certain angle, the elastic arm can be with the baffles towards the elasticity
The side walls of arm abut.
4. leakage circuit breakers testing button device according to claim 2, it is characterised in that: the engaging portion (11) has
Two are located at institute with the inclined-plane (12) of the extending direction setting in a certain angle of the elastic arm, the intersection point of two inclined-planes (12)
State the side towards the elastic arm of engaging portion (11), there are two the elastic arm tools, and two elastic arms respectively can be with
The corresponding inclined-plane (12) slides against.
5. leakage circuit breakers testing button device described in any one of -4 according to claim 1, it is characterised in that: the dynamic touching
Piece (3) is fixedly mounted on the testing button (2).
6. leakage circuit breakers testing button device according to claim 5, it is characterised in that: the testing button (2)
One end far from the engaging portion (11) forms the first card slot (23), and the setting direction of first card slot (23) is perpendicular to institute
The moving direction of testing button (2) is stated, there is the bending part (31) for protruding into first card slot (23) on the movable contact spring (3).
7. leakage circuit breakers testing button device according to claim 6, it is characterised in that: set on the movable contact spring (3)
It is equipped with the interconnecting piece (32) connecting with the bending part (31), it is mobile that the interconnecting piece (32) is parallel to the testing button (2)
It direction and is conducted after the testing button (2) is pressed mobile setting position with the static contact (4).
8. leakage circuit breakers testing button device according to claim 7, it is characterised in that: the static contact (4) is card
The conducting wire being connected on the second card slot (13) of the shell (1).
9. leakage circuit breakers testing button device according to claim 1, it is characterised in that: the testing button (2)
Both ends, which are formed, cooperates the block (22) to offset with the shell (1) top inner wall.
10. a kind of leakage circuit breakers, it is characterised in that: including breaker (5), and with the breaker (5) splicing such as power
Benefit requires leakage circuit breakers testing button device described in any one of 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806589.2U CN209571377U (en) | 2019-05-30 | 2019-05-30 | A kind of leakage circuit breakers testing button device and leakage circuit breakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920806589.2U CN209571377U (en) | 2019-05-30 | 2019-05-30 | A kind of leakage circuit breakers testing button device and leakage circuit breakers |
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| Publication Number | Publication Date |
|---|---|
| CN209571377U true CN209571377U (en) | 2019-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920806589.2U Active CN209571377U (en) | 2019-05-30 | 2019-05-30 | A kind of leakage circuit breakers testing button device and leakage circuit breakers |
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| CN (1) | CN209571377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071023A (en) * | 2019-05-30 | 2019-07-30 | 浙江友路电气有限公司 | A kind of leakage circuit breakers testing button device and leakage circuit breakers |
-
2019
- 2019-05-30 CN CN201920806589.2U patent/CN209571377U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110071023A (en) * | 2019-05-30 | 2019-07-30 | 浙江友路电气有限公司 | A kind of leakage circuit breakers testing button device and leakage circuit breakers |
| CN110071023B (en) * | 2019-05-30 | 2024-04-26 | 浙江友路电气有限公司 | Electric leakage circuit breaker test button device and electric leakage circuit breaker |
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