CN220821361U - Quick-action contact module with positive disconnection - Google Patents
Quick-action contact module with positive disconnection Download PDFInfo
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- CN220821361U CN220821361U CN202322519466.XU CN202322519466U CN220821361U CN 220821361 U CN220821361 U CN 220821361U CN 202322519466 U CN202322519466 U CN 202322519466U CN 220821361 U CN220821361 U CN 220821361U
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- contact bridge
- bridge assembly
- push rod
- static contact
- assembly
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- 230000003068 static effect Effects 0.000 claims abstract description 69
- 238000005452 bending Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 3
- 238000005245 sintering Methods 0.000 abstract description 3
- 239000012634 fragment Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a quick-acting contact module with positive disconnection, which comprises a shell, a push rod, a movable contact bridge assembly and a static contact bridge assembly, wherein the push rod in the shell is assembled in a central groove of the movable contact bridge assembly, the movable contact bridge assembly is symmetrically arranged on two sides of the push rod, elastic pieces are symmetrically arranged on the push rod, one ends of the elastic pieces are abutted against corresponding elastic piece grooves on the push rod, the other ends of the elastic pieces are abutted against bending pieces of the movable contact bridge assembly, a spring is arranged in an assembly groove of the push rod in the shell, the lower end of the push rod is arranged in the spring, the upper end of the push rod is clamped in the shell, the push rod moves up and down in the shell, the static contact bridge assembly is symmetrically arranged in the static contact bridge assembly groove in the shell, and movable contacts on the movable contact bridge assembly correspond to static contact positions on the static contact bridge assembly one by one. The quick-action contact module has the characteristics of high action speed and disconnection in a contact sintering state.
Description
Technical Field
The present utility model relates to the field of contact modules, and in particular to a snap-action contact module with positive opening.
Background
The button switch in the low-voltage electrical apparatus uses extensively, can meet in the user control circuit, multiple application occasions, the contact module belongs to the important component part of button switch, the existing quick-action contact module can't meet the requirement of affirmatively breaking because of structural reason, thus influence the apparatus reliability.
Disclosure of utility model
The object of the present utility model is to overcome the disadvantages of the prior art by providing a snap-action contact module with positive opening.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a quick-action contact module with confirm disconnection, quick-action contact module includes the casing, the push rod, movable contact bridge subassembly and static contact bridge subassembly, the push rod is assembled in the centre tank of movable contact bridge subassembly in the casing, movable contact bridge subassembly is installed in the both sides of push rod with balanced, install the shell fragment on the push rod symmetrically, shell fragment one end is supported in the shell fragment recess that corresponds on the push rod, the other end is supported on the piece of bending of movable contact bridge subassembly, be equipped with the spring in the assembly recess of push rod in the casing, the lower extreme of push rod is installed in the spring, the upper end buckle of push rod is in the casing, the push rod reciprocates in the casing, the static contact bridge subassembly assembly recess in the casing is installed to the static contact bridge subassembly symmetry, the movable contact on the movable contact bridge subassembly corresponds with the static contact position one-to-one on the static contact bridge subassembly.
Further, a cam is further arranged on the push rod and is installed in a round groove on the shell, and the cam is located in a central window of the push rod.
Further, a cavity is arranged in the middle of the cam, 2 bosses are arranged on the cam, the two bosses of the cam are assembled in the central window and are propped against the window bosses on the central window.
Further, outside the shell, the top is provided with two couples, and the below is provided with two recesses, couple with recess position matching buckle installation.
Further, the static contact bridge component is provided with a screw mounting hole, and the screw component is assembled in the screw mounting hole of the static contact bridge component.
As one improvement scheme, the static contact bridge component is a lower static contact component, the movable contact bridge component is positioned above the static contact bridge component, the static contact is positioned above the static contact bridge component, and a cushion block is arranged in the shell at a position corresponding to the movable contact on the movable contact bridge component. The contact module of this construction is initially in a normally closed state.
As another improvement scheme, the static contact bridge component is an upper static contact component, the static contact is positioned below the upper static contact bridge component, the movable contact point component is positioned below the upper static contact bridge component, and a cushion block is arranged on a base of the static contact bridge component at a position corresponding to the movable contact point on the movable contact bridge component. The contact module of this structure is initially in a normally open state.
Compared with the prior art, the beneficial effects are that: the quick-action contact module with positive disconnection designed by the utility model has the characteristics of high action speed and disconnection in a contact sintering state; the push rod is limited to move up and down in the vertical direction in the shell, the elastic sheet and the cam on the push rod act together to control the opening and closing between the movable contact of the movable contact bridge assembly and the static contact of the static contact bridge assembly, so that the positive opening of the contact modules is realized, and meanwhile, two hooks and grooves which are matched with each other are arranged on the shell, so that the normally-closed contact modules and/or normally-open contact modules can be used in a superposition mode, and when more than 2 contact modules exist, the simultaneous action of a plurality of groups of normally-open normally-closed contact modules can be realized.
Description of the drawings:
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic overall structure of embodiment 1 of the present utility model;
FIG. 2 is a schematic diagram of the installation structure of the push rod and the spring plate according to the present utility model;
FIG. 3 is a schematic view of the mounting structure of the push rod and cam of the present utility model;
FIG. 4 is a schematic diagram showing the structure of the open state of embodiment 1 of the present utility model;
FIG. 5 is a schematic view showing a partial structure of a closed state according to embodiment 1 of the present utility model;
FIG. 6 is a state diagram of a plurality of contact modules in accordance with the present utility model;
FIG. 7 is a schematic view showing the overall structure of the normally open state of embodiment 2 of the present utility model;
1, a shell; 011. a left hook; 012. a right hook; 013, left groove, 014, right groove; 2. a cushion block; 3. a push rod; 031. a spring plate groove; 032. a central window; 033. a window boss; 4. a spring plate; 5. a movable contact bridge assembly 051 and a movable contact; 052. a left bending piece; 053. a right bending piece; 6. a lower static contact bridge component, 061 and a static contact; 7. a screw assembly; 8. a cam; 081. 082, boss; 083. a cavity; 9. a spring; 10. and an upper static contact bridge assembly.
Detailed Description
Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples.
Example 1
Referring to fig. 1 to 6, a quick-action contact module with positive disconnection includes a housing 1, a push rod 3, a movable contact bridge assembly 5 and a lower static contact bridge assembly 6, wherein the push rod 3 in the housing 1 is assembled in a central groove of the movable contact bridge assembly 5, the movable contact bridge assembly 5 is installed on two sides of the push rod 3 in a balanced manner, two sides of the movable contact bridge assembly 5 are respectively provided with a movable contact 051, a spring piece 4 is symmetrically installed on the push rod 3, one end of the spring piece 4 is propped against in a corresponding spring piece groove 031 on the push rod 3, and the other end is propped against a bending piece of the movable contact bridge assembly 5: the left bending piece 052 and the right bending piece 053 are provided with springs 9 in the assembly grooves of the push rod 3 in the shell 1, the lower ends of the push rods 3 are installed in the springs 9, the upper ends of the push rods 3 are buckled in the shell 1, the push rods 3 are correspondingly assembled in gaps formed in the shell 1 to enable the push rods to move up and down, the assembled push rods 3 block the positions of the springs 9, six degrees of freedom of the springs 9 are limited, and the push rods can only compress and release according to the characteristics of the springs 9. The lower static contact bridge assembly 6 is symmetrically arranged in a static contact bridge assembly assembling groove in the shell 1, and movable contacts 051 on the movable contact bridge assembly 5 correspond to static contacts 061 on the lower static contact bridge assembly 6 one by one. The movable contact bridge assembly 5 is located above the lower static contact bridge assembly 6, the static contact 061 is located above the lower static contact bridge assembly 6, and the cushion block 2 is arranged in the shell 1 at a position corresponding to the movable contact 051 on the movable contact bridge assembly 5.
The push rod 3 is also provided with a cam 8, the cam 8 is arranged in a circular groove on the shell 1, and the cam 8 is positioned in a central window 032 of the push rod 3.
A cavity 083 is arranged in the middle of the cam 8, 2 bosses 081 and 082 are arranged on the cam 8, the two bosses 081 and 082 of the cam 8 are assembled in the central window 032 and are propped against the window boss 033 on the central window 032. The cam 8 does not interfere with the spring plate 4 during its movement.
The lower static contact bridge component 6 is provided with screw mounting holes, and the screw component 7 is assembled in the screw mounting holes of the lower static contact bridge component 6.
Outside the shell 1, the top is provided with two couples: left couple 011 and right couple 012, the below is provided with two recesses: left groove 013 and right groove 014, left hook 011 and left groove 013; the right hook 012 and right groove 014 mate snap fit. The assembly structure enables two or more movable contact modules in different states or in the same state to be used in a superposition mode.
The working process comprises the following steps: the contact module of this construction is initially in a normally closed state. Pushing the push rod 3 to enable the compression spring 9 to move downwards, enabling the elastic sheet 4 to abut against one end of the push rod 3 to move downwards along with the push rod, enabling the movable contact bridge assembly 5 to be stressed to move upwards according to the characteristics of the elastic sheet 4 when the elastic sheet 4 moves to be lower than one end of the movable contact bridge assembly 5, enabling the movable contact 051 to be separated from the fixed contact 061, enabling the contacts to be disconnected, and enabling the push rod 3 to be reset by the releasing force of the spring 9 when the force exerted on the push rod 3 is removed.
When the contact is in a sintering state, the force of the elastic sheet 4 is insufficient to separate the movable contact 051 from the static contact 061, a boss at the central window 032 of the push rod 3 can press against a boss of the cam 8 to rotate, and the boss can transmit the force to the movable contact bridge assembly 5, so that the movable contact 051 is driven to be separated from the static contact 061, and the positive disconnection of the contact is realized.
Example 2
Referring to fig. 6 to 7, a quick-action contact module with positive disconnection includes a housing 1, a push rod 3, a movable contact bridge assembly 5 and an upper static contact bridge assembly 10, wherein the push rod 3 in the housing 1 is assembled in a central groove of the movable contact bridge assembly 5, the movable contact bridge assembly 5 is installed on two sides of the push rod 3 in a balanced manner, elastic sheets 4 are symmetrically installed on the push rod 3, one end of each elastic sheet 4 is abutted against a corresponding elastic sheet groove 031 on the push rod 3, the other end is abutted against a bending piece of the movable contact bridge assembly 5, a spring 9 is arranged in an assembly groove of the push rod 3 in the housing 1, the lower end of the push rod 3 is installed in the spring 9, the upper end of the push rod 3 is buckled in the housing 1, the push rod 3 moves up and down in the housing 1, the upper static contact bridge assembly 10 is symmetrically installed in a static contact bridge assembly assembling groove in the housing 1, and the movable contact points 051 on the movable contact bridge assembly 5 correspond to the static contact point 061 on the upper static contact bridge assembly 10 one by one. The static contact 061 is located below the upper static contact bridge component 10, the movable contact 051 component is located below the upper static contact bridge component 10, and a cushion block 2 is arranged on the base of the static contact bridge component at a position corresponding to the movable contact 051 on the movable contact bridge component 5.
The push rod 3 is also provided with a cam 8, the cam 8 is arranged in a circular groove on the shell 1, and the cam 8 is positioned in a central window 032 of the push rod 3.
A cavity 083 is arranged in the middle of the cam 8, 2 bosses 081 and 082 are arranged on the cam 8, the two bosses 081 and 082 of the cam 8 are assembled in the central window 032 and are propped against the window boss 033 on the central window 032.
The upper static contact bridge assembly 10 is provided with screw mounting holes, and the screw assembly 7 is assembled in the screw mounting holes of the upper static contact bridge assembly 10.
Outside the shell 1, the top is provided with two couples: left couple 011 and right couple 012, the below is provided with two recesses: left groove 013 and right groove 014, left hook 011 and left groove 013; the right hook 012 and right groove 014 mate snap fit. The assembly structure enables two or more quick-action contact modules in different states or in the same state to be used in a superposition mode.
The working process comprises the following steps: the contact module of this structure is initially normally open state, and its working process is opposite with the working process of normally closed state, promotes push rod 3, makes its compression spring 9 downward movement, and shell fragment 4 supports and holds at push rod 3 one end and move down thereupon, when moving to than supporting in moving contact bridge subassembly 5 one end, according to shell fragment 4 characteristic, moving contact bridge subassembly 5 can atress upward movement, makes moving contact 051 and stationary contact 061 contact, realizes the contact closure, when withdrawing the power of exerting on push rod 3, push rod 3 can receive the release force of spring 9 realization reset.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A snap-action contact module with positive opening, characterized in that: the movable contact module comprises a shell, a push rod, a movable contact bridge assembly and a static contact bridge assembly, wherein the push rod in the shell is assembled in a central groove of the movable contact bridge assembly, the movable contact bridge assembly is symmetrically arranged on two sides of the push rod, elastic sheets are symmetrically arranged on the push rod, one end of each elastic sheet is propped in a corresponding elastic sheet groove on the push rod, the other end of each elastic sheet is propped on a bending piece of the movable contact bridge assembly, a spring is arranged in an assembly groove of the push rod in the shell, the lower end of the push rod is arranged in the spring, the upper end of the push rod is clamped in the shell, the push rod moves up and down in the shell, the static contact bridge assembly is symmetrically arranged in the static contact bridge assembly groove in the shell, and movable contacts on the movable contact bridge assembly correspond to static contact positions on the static contact bridge assembly one by one.
2. A quick-action contact module with positive opening according to claim 1, characterized in that the push rod is further provided with a cam which is mounted in a circular groove in the housing, the cam being located in a central window of the push rod.
3. A quick-action contact module with positive opening according to claim 2, characterized in that: the cam is provided with a cavity in the middle, the cam is provided with 2 bosses, and the two bosses of the cam are assembled in the central window and are propped against the window bosses on the central window.
4. A quick-action contact module with positive opening according to claim 1, characterized in that: outside the casing, the top is provided with two couples, and the below is provided with two recesses, couple with recess position matching buckle installation.
5. A snap-action contact module with positive opening according to any of claims 1-4, characterized in that: the static contact bridge assembly is provided with screw mounting holes, and the screw assembly is assembled in the screw mounting holes of the static contact bridge assembly.
6. A quick-action contact module with positive opening according to claim 5, characterized in that: the static contact bridge assembly is a lower static contact assembly, the movable contact bridge assembly is located above the static contact bridge assembly, the static contact is located above the static contact bridge assembly, and a cushion block is arranged in the shell at a position corresponding to the movable contact on the movable contact bridge assembly.
7. A quick-action contact module with positive opening according to claim 5, characterized in that: the static contact bridge assembly is an upper static contact assembly, the static contact is located below the upper static contact bridge assembly, the movable contact assembly is located below the upper static contact bridge assembly, and a cushion block is arranged on a base of the static contact bridge assembly and corresponds to the movable contact on the movable contact bridge assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322519466.XU CN220821361U (en) | 2023-09-18 | 2023-09-18 | Quick-action contact module with positive disconnection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322519466.XU CN220821361U (en) | 2023-09-18 | 2023-09-18 | Quick-action contact module with positive disconnection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220821361U true CN220821361U (en) | 2024-04-19 |
Family
ID=90710347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322519466.XU Active CN220821361U (en) | 2023-09-18 | 2023-09-18 | Quick-action contact module with positive disconnection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220821361U (en) |
-
2023
- 2023-09-18 CN CN202322519466.XU patent/CN220821361U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |