CN211529832U - Push switch with brake contact - Google Patents
Push switch with brake contact Download PDFInfo
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- CN211529832U CN211529832U CN202020035320.1U CN202020035320U CN211529832U CN 211529832 U CN211529832 U CN 211529832U CN 202020035320 U CN202020035320 U CN 202020035320U CN 211529832 U CN211529832 U CN 211529832U
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Abstract
The utility model discloses a press switch with a brake contact, wherein the leaning surface of a first control block on a movable rod of the press switch is lower than that of a second control block; the first movable contact component and the second movable contact component can be arranged in a swinging mode, the first movable contact component can abut against the abutting surface of the first control block, the abutting surface of the first control block provides acting force for driving the first movable contact component to be far away from the fixed contact, and the first movable contact component is connected with a first elastic piece for driving the first movable contact component to be close to the fixed contact; the second moving contact component can abut against the abutting surface of the second control block, the abutting surface of the second control block provides acting force for driving the second moving contact component to be away from the fixed contact, and the second moving contact component is connected with a second elastic piece for driving the second moving contact component to be close to the fixed contact; the brake pad of the brake contact part is connected with the movable rod through a third elastic part, and the brake pad slides up and down along with the movable rod to disconnect or connect a brake loop. The utility model discloses make the surge current that main contact part switch-on produced in the twinkling of an eye born, be unlikely to damage the major loop.
Description
Technical Field
The utility model relates to the technical field of switches, in particular to take press switch of brake contact.
Background
Among the prior art, be applied to the push switch of electric tool such as angle grinder, cutting machine, for guaranteeing electric tool safety in utilization, be equipped with the brake contact in the push switch usually, when the brake contact switch-on, the brake circuit switch-on ensures that electric tool is out of work. When the electric tool works, the main contact part is switched on and the brake contact is switched off before the main contact part is switched on.
However, the instant the main contact member is switched on usually generates surge currents, which damage the main circuit and push the switch assembly; and on the other hand, when the brake is carried out, the brake current value is larger, so that the electrical wear of the brake contact is serious.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the above-mentioned technology to a certain extent. Therefore, the present invention provides a push switch with a brake contact, which can withstand the surge current generated at the moment when the main contact member is connected, so as not to damage the main circuit; on the other hand, the braking current value is reduced, so that the electric abrasion is smaller during braking; the circuit is provided with an MOS tube and a diode, when the main contact part of the switch is disconnected, the circuit is disconnected through the MOS tube, and the diode plays a role of follow current and protects elements in the circuit; the heat dissipation cover is arranged on the shell, so that heat generated by the diode, the MOS tube and other elements is dissipated, the temperature rise of the switch is reduced, and the service life of the switch is prolonged.
In order to achieve the above object, an embodiment of the present invention provides a push switch with a brake contact, including a housing, wherein a movable rod, a main contact part and a brake contact part are slidably disposed in the housing;
the movable rod is provided with a first control block and a second control block, and the abutting surface of the first control block is lower than that of the second control block;
the main contact part comprises a first movable contact component, a second movable contact component and a fixed contact component; the first movable contact component and the second movable contact component can be arranged in a swinging way, and movable contacts of the first movable contact component and the second movable contact component respectively correspond to the fixed contacts of the fixed contact component; the first movable contact component can abut against the abutting surface of the first control block, the abutting surface of the first control block provides acting force for driving the first movable contact component to be away from the fixed contact, and the first movable contact component is connected with a first elastic piece for driving the first movable contact component to be close to the fixed contact; the second moving contact component can abut against the abutting surface of the second control block, the abutting surface of the second control block provides acting force for driving the second moving contact component to be away from the static contact, and the second moving contact component is connected with a second elastic piece for driving the second moving contact component to be close to the static contact;
the brake pad of the brake contact component is connected with the movable rod through a third elastic piece, the brake pad slides up and down along with the movable rod to disconnect or connect a brake loop, and after the brake loop is disconnected, the first movable contact component is connected with the static contact component.
According to the utility model discloses a take press switch of brake contact, because the face of supporting of first control block is less than the face of supporting of second control block, when the movable rod moves down, after breaking the brake circuit, first movable contact subassembly with static contact subassembly switch-on bears the surge current that main contact part switch-on produced in the twinkling of an eye is born, is unlikely to damage the main circuit, then, second movable contact subassembly and static contact subassembly switch-on. The first movable contact component is connected with the fixed contact component firstly, surge current generated at the moment of connecting the main contact component is borne, and the second movable contact component is connected with the fixed contact component later to play a shunting role.
In addition, according to the utility model discloses a press switch of area brake contact that above-mentioned embodiment provided can also have following additional technical characterstic:
furthermore, the main contact component also comprises a moving contact frame, and the first moving contact component and the second moving contact component are respectively hinged with the moving contact frame.
Further, the brake contact part also comprises an electrode plate and the static contact component, the static contact component is shared by the main contact part, and the brake pad is always in contact with the static contact component and is disconnected or connected with the electrode plate along with the movable rod in a vertical sliding mode.
Furthermore, the movable rod is provided with a clamping groove, a containing groove, a top abutting surface and a bottom abutting surface; the brake pad is limited in the clamping groove and is provided with a top abutting part and a bottom abutting part, and the distance between the top abutting part and the bottom abutting part is greater than the distance between the top abutting surface and the bottom abutting surface; the third elastic piece is arranged in the accommodating groove to provide supporting force for the brake pad, and the third elastic piece pushes the abutting part of the brake pad to be in contact with the electrode plate.
Furthermore, the containing groove is inclined and upwards arranged, the third elastic piece is a pressure spring, one end of the pressure spring abuts against the brake pad, and the other end of the pressure spring abuts against the bottom of the containing groove.
The signal control mechanism comprises an electric brush arranged on the movable rod and a circuit board connected with a main loop; the electric brush with the circuit board is connected, the movable rod reciprocates and drives the electric brush to remove to the different positions of circuit board, the different signal of telecommunication of circuit board output.
Further, the circuit board set up with the carbon film layer that the brush is connected, the movable rod reciprocates and orders about the brush removes to carbon film layer different positions, the different signals of telecommunication of circuit board output.
Further, the circuit board is arranged on the heat dissipation cover, the heat dissipation cover is connected with the shell, a diode connected with the circuit board is arranged on the heat dissipation cover, an MOS (metal oxide semiconductor) tube is arranged on the circuit board, and the MOS tube is tightly attached to the heat dissipation cover.
The diode acts as a free-wheeling element in the circuit, protecting other components in the circuit. The MOS tube breaks a circuit before the main contact part which is switched on is switched off, so that the generation of electric arcs when the main contact part is switched off is avoided, and the switch is protected. The heat dissipation cover dissipates heat generated by the diode, the MOS tube and other elements, reduces the temperature rise of the switch, and prolongs the service life of the switch.
Furthermore, the movable rod is connected with the button, and a sealing sleeve is arranged at the joint.
Further, a return spring is arranged between the movable rod and the shell.
Furthermore, the first elastic element and the second elastic element are moving contact pressure springs, the moving contact pressure springs are fixed on the first moving contact component and the second moving contact component respectively, and the moving contact pressure springs are abutted to the shell.
Drawings
Fig. 1 is an exploded view of a push switch with brake contacts according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a push switch with brake contacts according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of another angle of a push switch with a brake contact according to an embodiment of the present invention;
FIG. 4 is a schematic view of a connection of a main contact member to a brake contact member according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a movable rod according to an embodiment of the present invention;
fig. 6 is a schematic structural view of another angle of the movable rod according to the embodiment of the present invention;
fig. 7 is a schematic structural diagram of a signal control mechanism according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of an initial state of the push switch according to the embodiment of the present invention;
fig. 9 is a schematic structural view illustrating a push switch according to an embodiment of the present invention being pushed to a first position;
fig. 10a is a schematic diagram of a push switch according to an embodiment of the present invention being pushed to a second position;
fig. 10b is a schematic view of the first movable contact assembly and the stationary contact assembly when the push switch is pushed to a second position according to the embodiment of the present invention;
fig. 10c is a schematic view of the second movable contact assembly being connected to the fixed contact assembly when the push switch according to the embodiment of the present invention is pushed to the second position;
fig. 11a is a schematic view of the connection of the first movable contact assembly to the stationary contact assembly when the push switch is pushed to a third position according to the embodiment of the present invention;
fig. 11b is a schematic view illustrating the connection between the second movable contact assembly and the fixed contact assembly when the push switch is pushed to the third position according to the embodiment of the present invention.
Description of the reference symbols
Receiving groove 14 abutting surface 15
First moving contact Assembly 21 second moving contact Assembly 22
Brake contact member 3 brake pad 31
Second elastic member 5 third elastic member 6
Signal control mechanism 7 brush 71
Heat sink cap 722 diode 723
MOS tube 724 button 8
The gland 81 returns the spring 9.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 7, a push switch with a brake contact according to an embodiment of the present invention includes a housing, wherein a movable rod 1, a main contact member 2, and a brake contact member 3 are slidably disposed in the housing; the movable rod 1 is provided with a first control block 11 and a second control block 12, and the abutting surface of the first control block 11 is lower than the abutting surface of the second control block 12.
The main contact part 2 comprises a first movable contact component 21, a second movable contact component 22 and a fixed contact component 23; the first movable contact component 21 and the second movable contact component 22 can be arranged in a swinging way, and the movable contacts of the first movable contact component 21 and the second movable contact component 22 respectively correspond to the fixed contacts of the fixed contact component 23; the first movable contact 21 assembly can abut against the abutting surface of the first control block 11, the abutting surface of the first control block 11 provides a force for driving the first movable contact to move away from the fixed contact, and the first movable contact assembly 21 is connected with the first elastic element 4 for driving the first movable contact to move close to the fixed contact; the second movable contact component 22 can abut against the abutting surface of the second control block 12, the abutting surface of the second control block 12 provides acting force for driving the second movable contact component to move away from the fixed contact, and the second movable contact component 22 is connected with a second elastic piece 5 for driving the second movable contact component to move close to the fixed contact; the brake pad 31 of the brake contact component 3 is connected with the movable rod 1 through the third elastic component 6, the brake pad 31 slides up and down along with the movable rod 1 to break or connect a brake loop, and after the brake loop is broken, the first movable contact component 21 is connected with the fixed contact component 23.
Since the abutting surface of the first control block 11 is lower than the abutting surface of the second control block 12, when the movable rod 1 moves downward, after the brake loop is disconnected, the first movable contact assembly 21 and the fixed contact assembly 23 are connected, surge current generated at the moment when the main contact assembly 2 is connected is borne, the main loop is not damaged, and then the second movable contact assembly 22 and the fixed contact assembly 23 are connected. That is, the first movable contact assembly 21 and the fixed contact assembly 23 are firstly connected, surge current generated at the moment of connecting the main contact assembly 2 is borne, and the second movable contact assembly 22 and the fixed contact assembly 23 are connected later to play a role of shunting.
In some examples, the main contact member 2 further includes a movable contact frame 24, and the first movable contact assembly 21 and the second movable contact assembly 22 are respectively hinged to the movable contact frame 24. The first movable contact assembly 21 is hinged to the movable contact frame 24 such that the first movable contact assembly 21 can swing along the hinge, and the second movable contact assembly 22 is hinged to the movable contact frame 24 such that the second movable contact assembly 22 can swing along the hinge, so that the first movable contact assembly 21 and the second movable contact assembly 22 can swing.
In some examples, the brake contact member 3 further includes an electrode plate 32 and the fixed contact assembly 23, the fixed contact assembly 23 is shared with the main contact member 2, and the brake plate 31 is always in contact with the fixed contact assembly 23 and slides up and down along with the movable rod 1 to open or close the electrode plate 32. The third elastic member 6 ensures that the brake pad 31 is reliably contacted with the electrode pad 32 and the fixed contact assembly 23, wherein the electrode pad 32 may be a negative electrode pad.
In some examples, as shown in fig. 5, the movable rod 1 is provided with a clamping groove 13, a receiving groove 14, a top abutting surface 15 and a bottom abutting surface 16; the brake pad 31 is limited in the clamping groove 13 and is provided with a top abutting part 311 and a bottom abutting part 312, and the distance between the top abutting part 311 and the bottom abutting part 312 is greater than the distance between the top abutting surface 15 and the bottom abutting surface 16; the third elastic element 6 is disposed in the receiving groove 14 to provide a supporting force for the brake pad 31, and the third elastic element 6 pushes the abutting portion 311 of the brake pad 31 to contact with the electrode pad 32.
In some examples, the accommodating groove 14 is disposed obliquely upward, and the third elastic element 6 is a compression spring, one end of the compression spring abuts against the brake pad 31, and the other end of the compression spring abuts against the bottom of the accommodating groove 14. The compression spring is in a compressed state to provide a backing force to the brake pad 31.
In some examples, as shown in fig. 7, further comprising a signal control mechanism 7, wherein the signal control mechanism 7 comprises a brush 71 mounted on the movable rod 1 and a circuit board 72 connected with a main circuit; the electric brush 71 is connected with the circuit board 72, the movable rod 1 moves up and down to drive the electric brush 71 to move to different positions of the circuit board 72, and the circuit board 72 outputs different electric signals. In this example, the circuit board 72 is provided with a carbon film layer 721 connected to the brush 71, the moving rod 1 moves up and down to drive the brush 71 to move to different positions of the carbon film layer 721, and the circuit board 72 outputs different electrical signals.
The circuit board 72 is arranged on the heat dissipation cover 722, the heat dissipation cover 722 is connected with the shell, a diode 723 connected with the circuit board 72 is arranged on the heat dissipation cover 722, the diode 723 is riveted on the heat dissipation cover 722 through a rivet, an MOS tube 724 is arranged on the circuit board 72, the MOS tube 724 is welded on the circuit board 72, and the MOS tube 724 is tightly attached to the heat dissipation cover 722. The heat generated by the diode 723 and the MOS tube 724 is dissipated by the heat dissipating cap 722.
The diode 723 freewheels in the circuit, protecting other components in the circuit. The MOS tube 724 breaks the circuit before the closed main contact part is opened, so that the generation of an arc when the main contact part is opened is avoided, and the switch is protected. The heat dissipation cover 722 dissipates heat generated by the diode 723, the MOS tube 724 and other elements, reduces the temperature rise of the switch, and prolongs the service life of the switch.
In some examples, the movable rod 1 is connected to the button 8 and a sealing sleeve 81 is provided at the connection. The button 8 is pressed to drive the movable rod 1 to slide up and down, and the movable rod 1 slides up and down to disconnect or connect a brake loop. The sealing sleeve 81 effectively prevents outside air from entering the switch, protecting the switch.
In some examples, a return spring 9 is provided between the movable bar 1 and the housing. After the push button 8 drives the movable rod 1 to slide downwards, the return spring 9 can make the push button 8 reset.
In some examples, the first elastic element 4 and the second elastic element 5 are moving contact compression springs, and the moving contact compression springs are fixed on the first moving contact assembly 21 and the second moving contact assembly 22 respectively and abut against the housing.
The operating principle of the push switch with the brake contact of the embodiment is as follows:
as shown in fig. 8, the first movable contact assembly 21 is not in contact with the fixed contact assembly 23, the second movable contact assembly 22 is not in contact with the fixed contact assembly 23, and the switch is in a free state, in which the abutting surface 15 of the movable rod 1 is in contact with the abutting portion 311 of the brake pad 31, and the abutting surface 16 of the movable rod 1 is not in contact with the abutting portion 312 of the brake pad 31. Meanwhile, the brake pad 31 is always in contact with the electrode plate 32 and the fixed contact assembly 23 (brake on) due to the third elastic member 6, so that the brake contact member 3 is in an on state.
As shown in fig. 9, the button 8 is pressed to drive the movable rod 1 to move downward, when the movable frame 1 moves to a first position (e.g. 1mm), the movable frame 1 drives the brake pad 31 to move downward, the brake contact member 3 is disconnected, and at the same time, the brush 71 moves downward along with the movable rod 1, at this time, the abutting surface 15 of the movable rod 1 is not in contact with the abutting portion 311 of the brake pad 31, and the abutting surface 16 of the movable rod 1 is in contact with the abutting portion 312 of the brake pad 31.
As shown in fig. 10a-10c, the button 8 is continuously pressed, so that the movable rod 1 continues to move downwards to the second position (e.g. 2.6mm), at this time, the first movable contact assembly 21 is separated from the abutting surface of the first control block 11, and the first elastic element 4 drives the first movable contact assembly 21 to contact the fixed contact assembly 23; and the second movable contact 22 assembly is not separated from the abutting surface of the second control block 12.
As shown in fig. 11a-11b, the button 8 is then pressed, so that the movable rod 1 continues to move downwards to a third position (e.g. 3.7mm), at which time, the first movable contact assembly 21 is not separated from the abutting surface of the first control block 11, and the first elastic element 4 drives the first movable contact assembly 21 to contact the fixed contact assembly 23; the second movable contact 22 assembly is not separated from the abutting surface of the second control block 12, and the second elastic element 5 drives the second movable contact assembly 22 to contact the fixed contact assembly 23.
Finally, the button 8 is pressed to the bottom, the main contact part 2 is always connected, and in the process, the signal control mechanism 7 starts to carry out speed regulation work.
The button 8 is released, and the movable rod 1 returns to the third position (3.7mm position) under the action of the return spring 9, and the second movable contact assembly 22 and the fixed contact assembly 23 are disconnected firstly. Continuing to release the button 8, the movable lever 1 returns to the second position (2.6mm position), at which time the first movable contact assembly 21 and the stationary contact assembly 23 are also disconnected. The main contact means 2 is in the open state, during which the signal control means 7 tends to return to the initial state. When the button 8 is released continuously, when the movable frame 1 returns to the first position (1mm position), the brake pad 31 just contacts with the electrode plate 32, and the brake contact member 3 is connected. Then, the button 8 is released continuously, the movable frame 1 moves upwards, the brake pad 31 is abutted by the electrode plate 32, and the brake contact member 3 cannot move upwards continuously, and is always connected under the action of the third elastic element 6. At this time, the switch returns to the initial state.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A push switch with a brake contact comprises a shell, wherein a movable rod, a main contact part and a brake contact part which are arranged in a sliding mode are arranged in the shell; the method is characterized in that:
the movable rod is provided with a first control block and a second control block, and the abutting surface of the first control block is lower than that of the second control block;
the main contact part comprises a first movable contact component, a second movable contact component and a fixed contact component; the first movable contact component and the second movable contact component can be arranged in a swinging way, and movable contacts of the first movable contact component and the second movable contact component respectively correspond to the fixed contacts of the fixed contact component; the first movable contact component can abut against the abutting surface of the first control block, the abutting surface of the first control block provides acting force for driving the first movable contact component to be away from the fixed contact, and the first movable contact component is connected with a first elastic piece for driving the first movable contact component to be close to the fixed contact; the second moving contact component can abut against the abutting surface of the second control block, the abutting surface of the second control block provides acting force for driving the second moving contact component to be away from the static contact, and the second moving contact component is connected with a second elastic piece for driving the second moving contact component to be close to the static contact;
the brake pad of the brake contact component is connected with the movable rod through a third elastic piece, the brake pad slides up and down along with the movable rod to disconnect or connect a brake loop, and after the brake loop is disconnected, the first movable contact component is connected with the static contact component.
2. The push switch with a brake contact as claimed in claim 1, wherein: the main contact component further comprises a moving contact frame, and the first moving contact component and the second moving contact component are hinged to the moving contact frame respectively.
3. The push switch with a brake contact as claimed in claim 1, wherein: the brake contact part further comprises an electrode plate and the static contact component, the static contact component is shared by the main contact part, the brake pad is always in contact with the static contact component and is disconnected or connected with the electrode plate along with the movable rod in a vertical sliding mode.
4. A push switch with brake contacts as claimed in claim 3, wherein: the movable rod is provided with a clamping groove, an accommodating groove, a top abutting surface and a bottom abutting surface; the brake pad is limited in the clamping groove and is provided with a top abutting part and a bottom abutting part, and the distance between the top abutting part and the bottom abutting part is greater than the distance between the top abutting surface and the bottom abutting surface; the third elastic piece is arranged in the accommodating groove to provide supporting force for the brake pad, and the third elastic piece pushes the abutting part of the brake pad to be in contact with the electrode plate.
5. The push switch with a brake contact as claimed in claim 4, wherein: the storage tank is inclined and arranged upwards, the third elastic piece is a pressure spring, one end of the pressure spring abuts against the brake block, and the other end of the pressure spring abuts against the bottom of the storage tank.
6. The push switch with a brake contact as claimed in claim 1, wherein: the signal control mechanism comprises an electric brush arranged on the movable rod and a circuit board connected with the main loop; the electric brush with the circuit board is connected, the movable rod reciprocates and drives the electric brush to remove to the different positions of circuit board, the different signal of telecommunication of circuit board output.
7. The push switch with a brake contact as claimed in claim 6, wherein: the circuit board set up with the carbon film layer that the brush is connected, the movable rod reciprocates and orders about the brush removes to carbon film layer different positions, the different signals of telecommunication of circuit board output.
8. The push switch with a brake contact as claimed in claim 6, wherein: the circuit board is arranged on the heat dissipation cover, the heat dissipation cover is connected with the shell, a diode connected with the circuit board is arranged on the heat dissipation cover, an MOS (metal oxide semiconductor) tube is arranged on the circuit board, and the MOS tube is tightly attached to the heat dissipation cover.
9. The push switch with a brake contact as claimed in claim 1, wherein: and a return spring is arranged between the movable rod and the shell.
10. The push switch with a brake contact as claimed in claim 1, wherein: the first elastic piece and the second elastic piece are moving contact pressure springs, the moving contact pressure springs are fixed on the first moving contact component and the second moving contact component respectively, and the moving contact pressure springs are abutted to the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020035320.1U CN211529832U (en) | 2020-01-08 | 2020-01-08 | Push switch with brake contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020035320.1U CN211529832U (en) | 2020-01-08 | 2020-01-08 | Push switch with brake contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211529832U true CN211529832U (en) | 2020-09-18 |
Family
ID=72449226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020035320.1U Active CN211529832U (en) | 2020-01-08 | 2020-01-08 | Push switch with brake contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211529832U (en) |
-
2020
- 2020-01-08 CN CN202020035320.1U patent/CN211529832U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325608 Puqi Industrial Zone, Hongqiao Town, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Kedu Electric Co.,Ltd. Address before: 325608 Puqi Industrial Zone, Hongqiao Town, Leqing City, Wenzhou City, Zhejiang Province Patentee before: KEDU ELECTRIC Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |