CN106548904B - electromagnetic relay test button - Google Patents
electromagnetic relay test button Download PDFInfo
- Publication number
- CN106548904B CN106548904B CN201510589040.9A CN201510589040A CN106548904B CN 106548904 B CN106548904 B CN 106548904B CN 201510589040 A CN201510589040 A CN 201510589040A CN 106548904 B CN106548904 B CN 106548904B
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- button
- limiting
- wall
- housing
- locking
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/042—Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
the utility model provides an electromagnetic relay test button, includes button and housing, the housing on be equipped with the installation cavity that is used for the installation button, the one end of installation cavity is linked together with the lateral wall of housing, the other end of installation cavity is arranged in the housing. The two ends of the button are respectively an operating end and a driving end, the driving end is in driving connection with a contact system in the housing, the operating end is pressed by external force to enable the button to move relative to the mounting cavity, and meanwhile the driving end drives the contact system to be switched on or switched off to complete the test work of the electromagnetic relay. The lateral wall of the housing is further provided with a limiting feature arranged on one side of the end part of the installation cavity, the lateral wall of the button is further provided with a blocking feature, and the limiting feature can be in contact with the blocking feature in a limiting contact manner to be connected with the blocking feature so as to block the button to move relative to the installation cavity. The invention provides an electromagnetic relay test button which is simple in limiting structure, reliable in protection state and simple and convenient in operation process.
Description
Technical Field
The invention relates to the field of low-voltage electric appliances, in particular to an electromagnetic relay test button.
Background
An electromagnetic relay is a switch which utilizes an electromagnet to control the on-off of a working circuit, and is widely applied to a signal conversion element in a control circuit. Most of the existing electromagnetic relays are divided into two schemes, one scheme is only a manual instantaneous test function, but the scheme does not have a false touch prevention function, so that the electromagnetic relays are easily operated by mistake to influence normal use. The other is that there is manual instantaneous test function to possess the function of preventing mistake and touch, but the test button structure that has the function of preventing mistake and touch in this scheme is comparatively complicated, and the operation is complicated and easily breaks down under the protection state, thereby has reduced structural stability.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the electromagnetic relay test button which is simple in limiting structure, reliable in protection state and simple and convenient in operation process.
In order to achieve the purpose, the invention adopts the following technical scheme:
The utility model provides an electromagnetic relay test button, includes button 1 and housing 2, housing 2 on be equipped with the installation cavity 210 that is used for installing button 1, the one end of installation cavity 210 is linked together with the lateral wall of housing 2, the other end of installation cavity 210 is arranged in housing 2. The two ends of the button 1 are respectively an operation end 110 and a driving end 120, the driving end 120 is in driving connection with a contact system in the housing 2, the operation end 110 is pressed by external force to enable the button 1 to move relative to the installation cavity 210, and meanwhile, the driving end 120 drives the contact system to be switched on or switched off to complete the test work of the electromagnetic relay. The side wall of the housing 2 is further provided with a limiting feature arranged on one side of the end part of the installation cavity 210, the side wall of the button 1 is further provided with a blocking feature, and the limiting feature can be in contact with the blocking feature in a limiting contact manner to block the button 1 from moving relative to the installation cavity 210.
further, spacing characteristic include the first spacing face 221 and the second spacing face 222 that the staggered floor set up, button 1 rotate and install in installation cavity 210 to block the characteristic and include that the level sets up the piece 11 that blocks on the lateral wall of operation end 110, block that piece 11 is connected with the spacing contact of first spacing face 221 when button 1 is in the guard mode, thereby block that piece 11 changes the top of the spacing face 222 of second and can press button 1 and accomplish the test when button 1 is in the test mode.
Further, the inner wall of the installation cavity 210 is provided with an annular locking inner wall 230, a spring 100 for resetting the button 1 is installed between the top surface of the locking inner wall 230 and the bottom of the operation end 110, the side wall of the button 1 is further provided with a locking protrusion 12, the bottom surface of the locking inner wall 230 is further provided with a locking notch 231 for locking the button 1, the button 1 presses the operation end 110 in a test state to enable the blocking piece 11 to be in contact connection with the second limiting surface 222, and meanwhile, the button 1 is rotated to enable the locking protrusion 12 to be in limiting connection with the locking notch 231 so as to enable the button 1 to be in a locking state.
Further, the locking inner wall 230 is provided with a slide rail 232, two ends of the slide rail 232 are respectively communicated with the top surface and the bottom surface of the locking inner wall 230, the locking protrusion 12 is disposed in the slide rail 232 when the button 1 is in the test state, so that the button 1 can move relative to the mounting cavity 210, and the locking notch 231 is provided on the bottom surface of the locking inner wall 230 on one side of the slide rail 232.
Further, the top surface of the locking inner wall 230 on the other side of the sliding rail 232 is provided with a limiting notch 233 for limiting the locking protrusion 12, when the button 1 is in the protection state, the blocking piece 11 is in limiting contact connection with the first limiting surface 221, and the locking protrusion 12 is in limiting connection with the limiting notch 233.
Further, one side edge of the first position-limiting surface 221 and one side edge of the second position-limiting surface 222 are correspondingly disposed and connected through a position-limiting wall 223, the blocking piece 11 can vertically move relative to the position-limiting wall 223 when the button 1 is in the testing state, and the blocking piece 11 laterally swings on the second position-limiting surface 222 when the button 1 is turned from the testing state to the locking state.
Further, the mounting cavity 210 is disposed on one side of a side wall of the housing 2, a first limiting surface 221 and a second limiting surface 222 which are communicated with the side wall of the end portion of the mounting cavity 210 are further disposed on the side wall of the housing 2, the height of the second limiting surface 222 is lower than that of the first limiting surface 221, the first limiting surface 221 and the second limiting surface 222 are connected through a vertically disposed limiting wall 223, the second limiting surface 222 is disposed on the edge of the side wall of the housing 2, one side of the second limiting surface 222 is connected with the limiting wall 223, and the other side is connected with the edge of the side wall of the housing 2.
Further, the height of the first limiting surface 221 is lower than the height of the sidewall surface of the housing 2, the blocking feature includes a blocking piece 11 horizontally disposed on the sidewall of the operation end 110, and the blocking piece 11 is flush with the sidewall surface of the housing 2 when contacting and connecting with the first limiting surface 221.
Further, a stop piece 11 is horizontally connected and installed on the side wall of the operation end 110 of the button 1, and the locking protrusion 12 on the side wall of the button 1 is arranged in a staggered manner relative to the stop piece 11.
Further, a limiting boss 121 which can be in driving connection with a contact system is arranged on the driving end 120 of the button 1, and the top edge of the limiting boss 121 is in limiting contact connection with the end edge of the mounting cavity 210 when the button 1 is reset.
The electromagnetic relay test button realizes that the button cannot cause equipment misoperation in a protection state through the limit characteristic and the blocking characteristic which are mutually matched and connected, and meanwhile, the blocking limit structure of the button is simple, so that the limit process is stable and reliable and is easy to process.
drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a schematic structural view of the mounting cavity of the present invention;
FIG. 3 is a structural cross-sectional view of the mounting cavity of the present invention;
FIG. 4 is a schematic diagram of the button of the present invention;
Fig. 5 is a structural side view of the push button of the present invention.
Detailed Description
The following provides an embodiment of the present invention with reference to fig. 1 to 5, and further describes a specific embodiment of the electromagnetic relay test button of the present invention. The electromagnetic relay test button of the present invention is not limited to the description of the following embodiments.
The invention comprises a button 1, a casing 2 and a contact system of an electromagnetic relay mounted inside the casing 2. The housing 2 in fig. 1 is provided with a mounting cavity 210 for mounting the button 1, one end of the mounting cavity 210 is communicated with a side wall of the housing 2, and the other end of the mounting cavity 210 is arranged in the housing 2. The two ends of the button 1 in fig. 4 are respectively an operating end 110 and a driving end 120, the driving end 120 is in driving connection with a contact system in the housing 2, the operating end 110 is pressed by an external force to move the button 1 relative to the installation cavity 210, and the driving end 120 drives the contact system to be switched on or switched off so as to complete the test work of the electromagnetic relay. Specifically, the side wall of the housing 2 is further provided with a limiting feature arranged on one side of the end portion of the installation cavity 210, the side wall of the button 1 is further provided with a blocking feature, and the limiting feature can be in contact with the blocking feature to be in limiting contact connection so as to block the button 1 from moving relative to the installation cavity 210. The matching structure of the limiting feature and the blocking feature is simple, the false touch prevention function of the test button can be effectively realized, and the working stability of the test button is improved.
The button 1 can be switched among three working states. Firstly, when the button 1 is in a protection state, the limiting feature and the blocking feature are mutually matched to ensure that the button 1 cannot be pressed, so that the function of preventing false touch is realized. Then, the button 1 is rotated from the protection state to the test state, no interaction occurs between the limiting feature and the blocking feature in the test state, so that the button 1 can be pressed, external force is applied to the operation end 110 of the button 1 during testing, the button 1 moves relative to the installation cavity 210, and at the moment, the driving end 120 of the button 1 is in driving connection with a contact system to trigger the contact system to act to complete testing. Further, the button 1 is rotated again from the test state to the locked state, and the button 1 in the locked state is locked with the mounting chamber 210, so that the contact system can be continuously tested.
The electromagnetic relay test button of the invention can realize the specific embodiments of the three working states as described below. The limiting feature in fig. 1 includes a first limiting surface 221 and a second limiting surface 222 which are arranged in a staggered manner, the button 1 is rotatably installed in the installation cavity 210, the blocking feature includes a blocking piece 11 horizontally arranged on the side wall of the operation end 110, the blocking piece 11 is in limiting contact connection with the first limiting surface 221 when the button 1 is in a protection state, the blocking piece 11 and the first limiting surface 221 interact with each other, so that the button 1 cannot be pressed, the blocking piece 11 rotates to the upper side of the second limiting surface 222 when the button 1 is in a test state, a moving space exists between the blocking piece 11 and the second limiting surface 222, and therefore the button 1 can be pressed, so that the driving end 120 of the button 1 is in driving connection with a contact system, and then the test is completed. Spacing face and the cooperation of blockking the piece make simple structure protection stable, the switching operation of the button of being convenient for simultaneously.
preferably, the mounting cavity 210 in fig. 1 is disposed on one side of a side wall of the housing 2, a first limiting surface 221 and a second limiting surface 222 which are communicated with the side wall of the end portion of the mounting cavity 210 are further disposed on the side wall of the housing 2, the height of the second limiting surface 222 is lower than that of the first limiting surface 221, one side edge of the first limiting surface 221 and one side edge of the second limiting surface 222 are correspondingly disposed and connected through a limiting wall 223, the second limiting surface 222 is disposed on the edge of the side wall of the housing 2, one side of the second limiting surface 222 is connected with the limiting wall 223, and the other side is connected with the side wall edge of the housing 2. The blocking piece 11 is vertically movable relative to the stopper wall 223 when the push button 1 is in the test state, and the blocking piece 11 swings laterally on the second stopper face 222 when the push button 1 is turned from the test state to the lock state. Specifically, the height of the first stopper surface 221 is lower than the height of the side wall surface of the housing 2, and the stopper piece 11 is flush with the side wall surface of the housing 2 when contacting and connecting with the first stopper surface 221. The relative position of the first limiting face and the second limiting face is convenient to operate, the blocking piece is stable and reliable in the rotating process, and meanwhile, the blocking piece cannot protrude out of the side wall when contacting with the side wall of the housing, so that the first limiting face is convenient to stably limit the blocking piece, and the attractiveness of the housing in use is guaranteed.
In fig. 4, two ends of a button 1 are respectively an operating end 110 for applying an external force and a driving end 120 for driving connection with a contact system, a spring 100 for resetting the button 1 is further arranged between the button 1 and a mounting cavity 210, a locking protrusion 12 for locking is further arranged on a side wall of the button 1, and a blocking piece 11 is arranged on a side wall of the operating end 110. In particular, the driving end 120 is provided with a limit boss 121 which can be in driving connection with a contact system, and the top edge of the limit boss 121 is in limit contact connection with the end edge of the installation cavity 210 when the button 1 is reset. In addition, the locking protrusion 12 in fig. 5 is arranged in a staggered manner with respect to the blocking piece 11, and the staggered arrangement means that the blocking piece 11 and the limiting protrusion 12 are arranged on different generatrices of the side wall of the button 1. The locking protrusion and the blocking piece which are arranged in a staggered mode are convenient for installation and operation of the button.
An annular locking inner wall 230 is arranged on the inner wall of the mounting cavity 210 in fig. 2 and 3, a spring 100 (shown in fig. 1) for resetting the button 1 is arranged between the top surface of the locking inner wall 230 and the bottom of the operating end 110, a locking protrusion 12 is arranged on the side wall of the button 1, a locking notch 231 for locking the button 1 is further arranged on the bottom surface of the locking inner wall 230, the operating end 110 is pressed by the button 1 in a test state to enable the blocking piece 11 to be in contact connection with the second limiting surface 222, and meanwhile, the button 1 is rotated to enable the locking protrusion 12 to be in limiting connection with the locking notch 231 so as to enable the button 1 to be in a locking state. The locking inner wall 230 is provided with a sliding rail 232, two ends of the sliding rail 232 are respectively communicated with the top surface and the bottom surface of the locking inner wall 230, the locking protrusion 12 is arranged in the sliding rail 232 when the button 1 is in a test state, so that the button 1 can move relative to the mounting cavity 210, and the locking notch 231 is arranged on the bottom surface of the locking inner wall 230 on one side of the sliding rail 232. In particular, the top surface of the locking inner wall 230 on the other side of the sliding rail 232 is provided with a limiting notch 233 for limiting the locking protrusion 12, the blocking piece 11 is in limiting contact connection with the first limiting surface 221 when the button 1 is in the protection state, and the locking protrusion 12 is in limiting connection with the limiting notch 233. The limiting notch enables the locking protrusion to be effectively limited in the protection state, and further ensures that the button does not act in the protection state.
Based on the above embodiment, the operation process of the button 1 of the present invention is as follows:
In the protection state, the blocking piece 11 is in limit contact connection with the first limit surface 221, and the locking protrusion 12 is disposed in the limit notch 233. The push button 1 cannot be pushed at this time due to the restriction of the stopper 11. The button 1 is rotated to place the blocking piece 11 on the upper side of one side of the second limiting surface 222 to enter the testing state.
in the test state, the locking protrusion 12 is disposed in the sliding rail 232, and the blocking piece 11 is no longer acted by the first limiting surface 221 and has a moving space with the second limiting surface 222. At this time, an external force is applied to the operation end 110 of the button 1, so that the button 1 moves relative to the installation cavity 210, and the driving end 120 of the button 1 drives the contact system to act for testing. The button 1 is rotated again in the same direction to make the blocking piece enter the locking state when the blocking piece is arranged above the other side of the second limiting surface 222.
In the locked state, the locking projection 12 is disposed in the locking notch 231 and the driver end 120 remains in driving engagement with the contact system so that the contact system can be continuously tested. When the button 1 is reversely rotated, the button 1 is restored by the restoring force of the spring 100 to finish the test, and the button 1 is returned to the original protection state by continuing the reverse rotation.
The position limiting feature and the blocking feature of the present invention are not limited to the embodiment in which the position limiting surface is arranged in a staggered manner to match with the blocking piece 11. The shape of the operation end 110 of the button 1 can be changed to match with the housing 2 to block and limit, so that the function of preventing accidental touch can be achieved, for example, the operation end 110 is processed into an oval structure, meanwhile, a port where the installation cavity 210 is connected with the side wall of the housing 2 is processed into an oval shape matched with the outline of the operation end 110, the operation end 110 is arranged in a staggered mode with the port of the installation cavity 210 in a protection state, so that the button 1 cannot be pressed, and the operation end 110 is arranged in an aligned mode with the port of the installation cavity 210 in a test state, so that the button 1 can be pressed. Or a step-shaped step is arranged on the inner wall of the mounting cavity 210, and the step-shaped step is matched with a blocking feature arranged on the side wall of the button 1 to block and limit, so that the function of preventing false triggering can be realized.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.
Claims (9)
1. An electromagnetic relay test button, includes button (1) and housing (2), its characterized in that: the button switch is characterized in that a mounting cavity (210) for mounting the button (1) is formed in the housing (2), one end of the mounting cavity (210) is communicated with the side wall of the housing (2), and the other end of the mounting cavity (210) is arranged in the housing (2);
The two ends of the button (1) are respectively an operation end (110) and a driving end (120), the driving end (120) is in driving connection with a contact system in the housing (2), the operation end (110) is pressed by external force to enable the button (1) to move relative to the installation cavity (210), and meanwhile the driving end (120) drives the contact system to be switched on or off to complete the test work of the electromagnetic relay;
The side wall of the housing (2) is also provided with a limiting feature arranged on one side of the end part of the installation cavity (210), the side wall of the button (1) is also provided with a blocking feature, and when the button (1) is in a protection state, the limiting feature can be in limiting contact with the blocking feature so as to block the button (1) from moving relative to the installation cavity (210), and when the button (1) is in a test state, no interaction occurs between the limiting feature and the blocking feature so that the button (1) can be pressed;
Spacing characteristic including the first spacing face (221) and the spacing face of second (222) of staggered floor setting, button (1) rotate and install in installation cavity (210) to block characteristic and set up piece (11) that blocks on the lateral wall of operation end (110) including the level, button (1) blocks when being in the guard mode piece (11) and is connected with the spacing contact of first spacing face (221), thereby block when button (1) is in the test condition piece (11) and change the top to the spacing face of second (222) and can press button (1) and accomplish the test.
2. the electromagnetic relay test button of claim 1, wherein: the inner wall of installation cavity (210) on be equipped with annular locking inner wall (230), install spring (100) that are used for reset button (1) between the top surface of locking inner wall (230) and the bottom of operation end (110), still be equipped with locking arch (12) on the lateral wall of button (1), still be equipped with locking breach (231) that are used for locking button (1) on the bottom surface of locking inner wall (230), button (1) presses operation end (110) when test condition and makes and block spacing face (222) contact of piece (11) and second and be connected, thereby rotate button (1) simultaneously and make locking arch (12) and locking breach (231) spacing connection thereby be in locking state with button (1).
3. The electromagnetic relay test button of claim 2, wherein: the locking inner wall (230) is provided with a sliding rail (232), two ends of the sliding rail (232) are respectively communicated with the top surface and the bottom surface of the locking inner wall (230), the locking protrusion (12) is arranged in the sliding rail (232) when the button (1) is in a test state, so that the button (1) can move relative to the mounting cavity (210), and the locking notch (231) is arranged on the bottom surface of the locking inner wall (230) on one side of the sliding rail (232).
4. The electromagnetic relay test button of claim 3, wherein: the top surface of the locking inner wall (230) on the other side of the sliding rail (232) is provided with a limiting notch (233) used for limiting the locking protrusion (12), the blocking piece (11) is in limiting contact connection with the first limiting surface (221) when the button (1) is in a protection state, and the locking protrusion (12) is in limiting connection with the limiting notch (233).
5. the electromagnetic relay test button of claim 2, wherein: one side edge of the first limiting surface (221) and one side edge of the second limiting surface (222) are correspondingly arranged and connected through a limiting wall (223), the blocking piece (11) can vertically move relative to the limiting wall (223) when the button (1) is in a test state, and the blocking piece (11) transversely swings on the second limiting surface (222) when the button (1) is turned to a locking state from the test state.
6. An electromagnetic relay test button according to any one of claims 1 to 5, characterized in that: the mounting cavity (210) is arranged on one side of the side wall of the housing (2), a first limiting surface (221) and a second limiting surface (222) which are communicated with the side wall of the end part of the mounting cavity (210) are further arranged on the side wall of the housing (2), the height of the second limiting surface (222) is lower than that of the first limiting surface (221), the first limiting surface (221) and the second limiting surface (222) are connected through a vertically arranged limiting wall (223), the second limiting surface (222) is arranged on the edge of the side wall of the housing (2), one side of the second limiting surface (222) is connected with the limiting wall (223), and the other side of the second limiting surface is connected with the edge of the side wall of the housing (2).
7. The electromagnetic relay test button of claim 6, wherein: the height of the first limiting surface (221) is lower than that of the surface of the side wall of the housing (2), the blocking feature comprises a blocking piece (11) horizontally arranged on the side wall of the operating end (110), and the blocking piece (11) is flush with the surface of the side wall of the housing (2) when in contact connection with the first limiting surface (221).
8. The electromagnetic relay test button of claim 2, wherein: the side wall of the operation end (110) of the button (1) is horizontally connected with a blocking sheet (11), and the locking protrusion (12) on the side wall of the button (1) is arranged in a staggered mode relative to the blocking sheet (11).
9. The electromagnetic relay test button of claim 1, wherein: the driving end (120) of the button (1) is provided with a limiting boss (121) which can be in driving connection with a contact system, and the top edge of the limiting boss (121) is in limiting contact connection with the end edge of the mounting cavity (210) when the button (1) resets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510589040.9A CN106548904B (en) | 2015-09-16 | 2015-09-16 | electromagnetic relay test button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510589040.9A CN106548904B (en) | 2015-09-16 | 2015-09-16 | electromagnetic relay test button |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106548904A CN106548904A (en) | 2017-03-29 |
| CN106548904B true CN106548904B (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510589040.9A Active CN106548904B (en) | 2015-09-16 | 2015-09-16 | electromagnetic relay test button |
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| Country | Link |
|---|---|
| CN (1) | CN106548904B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559935B (en) * | 2017-09-26 | 2024-02-23 | 浙江正泰电器股份有限公司 | Small electromagnetic relay |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0524171B1 (en) * | 1990-04-09 | 1994-08-10 | Siemens Aktiengesellschaft | Electromagnetic relay and process for manufacturing it |
| CN202585267U (en) * | 2012-01-21 | 2012-12-05 | 厦门台松精密电子有限公司 | A relay |
| CN203288534U (en) * | 2013-04-24 | 2013-11-13 | 浙江正泰电器股份有限公司 | Small electromagnetic relay having test button capable of realizing state locking |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997953B (en) * | 2011-09-15 | 2015-04-08 | 西门子公司 | Testing control device |
-
2015
- 2015-09-16 CN CN201510589040.9A patent/CN106548904B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0524171B1 (en) * | 1990-04-09 | 1994-08-10 | Siemens Aktiengesellschaft | Electromagnetic relay and process for manufacturing it |
| CN202585267U (en) * | 2012-01-21 | 2012-12-05 | 厦门台松精密电子有限公司 | A relay |
| CN203288534U (en) * | 2013-04-24 | 2013-11-13 | 浙江正泰电器股份有限公司 | Small electromagnetic relay having test button capable of realizing state locking |
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| CN106548904A (en) | 2017-03-29 |
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