A clip-sliding contact microswitch

Abstract

The present invention discloses a clip-sliding contact microswitch, which includes a base, a housing, a button, a spring and a clip. The button includes a pressing column and a pressing block. One end of the pressing block is provided with a groove, in which a first boss and a second boss are arranged, and a clamping groove is formed on the side wall of the groove and a slot is formed at the bottom; on one side of the clip, a first positioning plate and a second positioning plate are respectively arranged. A first fixing hole and a through hole are arranged on the first positioning plate. Clamping blocks are arranged on both sides of the first positioning plate, and an inserting block is arranged at the bottom. A second fixing hole is arranged on the second positioning block, and a clamping part is arranged on the other side of the clip. In the present invention, through the positioning of the first fixing hole and the first boss, the second fixing hole and the second boss, and the inserting block and the inserting hole, the installation of the clip and the button is convenient. In addition, through the clamping method between the clamping block and the clamping groove, the installation of the clip and the button is also convenient, and the installation is stable, and it can be assembled by an automatic device.

Description

Technical Field

[0001] The present invention relates to the technical field of switches, and in particular to a clip-sliding contact microswitch. Background Art

[0002] A microswitch is a contact mechanism that performs a switching action with a specified stroke and a specified force, covered with a housing, and has a drive rod on the outside. Since there are many types of microswitches and there are hundreds or thousands of internal structures, one type of clip microswitch has a sliding contact for the switch, so that the clip microswitch has a silent feature and is widely used in electronic devices, instruments, mines, power systems, household appliances, electrical equipment, and military fields such as aerospace, aviation, ships, missiles, and tanks.

[0003] For the existing clip microswitches, due to the relatively complex structures of the components, the assembly of the microswitches is inconvenient. And due to its specific structure, only manual assembly can be used, and automated equipment assembly cannot be achieved. Eventually, the production efficiency of the microswitches is slow, which is not conducive to the production of enterprises. Therefore, it is necessary to simplify the structure of the microswitches. Summary of the Invention

[0004] The purpose of the present invention is to provide a clip-sliding contact microswitch that is convenient for assembly and can achieve automated assembly.

[0005] To solve the above technical problems, the present invention can adopt the following technical solutions to achieve:

[0006] A clip-sliding contact microswitch includes a base, a housing, a button, a spring, and a clip. The button includes a pressing column and a pressing block. The pressing column is connected to one end of the pressing block, and a groove is provided at the other end of the pressing block. A first boss and a second boss are provided in the groove, and clamping grooves are provided on both side walls of the groove. A slot is also provided at the bottom of the groove.

[0007] A first positioning plate is provided at the lower part of one side of the clip, and a second positioning plate is provided at the upper part. A first fixing hole that cooperates with the first boss and a through hole for the second boss to pass through are provided on the first positioning plate. Clamping blocks that cooperate with the clamping grooves are also provided on both sides of the first positioning plate, and a plug that cooperates with the slot is provided at the bottom of the first positioning plate. A second fixing hole that cooperates with the second boss is provided on the second positioning block, and a clamping part is provided on the other side of the clip.

[0008] The clip is installed with the button by positioning the first fixing hole with the first boss, the second fixing hole with the second boss, clamping the clamping blocks into the clamping grooves, and inserting the plug into the slot.

[0009] In one embodiment, a common terminal and an output terminal are mounted on the base. The output terminal is a normally open terminal or a normally closed terminal. The common terminal and the output terminal are respectively disposed on two sides of the base. A protrusion is further provided on one side of the common terminal. The protrusion intersects with one end of the common terminal in a cross shape. An insulating column is further provided on one side of the output terminal. The insulating column is attached to one end of the output terminal. The other ends of the common terminal and the output terminal respectively extend out of the base.

[0010] In one embodiment, when the output terminal is a normally open terminal, the clamping portion of the clip holds the insulating column in the original state. When the button is pressed to move the clip downward, the clamping portion of the clip holds the normally open terminal, realizing the conduction or cut-off of the signal.

[0011] In one embodiment, when the output terminal is a normally closed terminal, the clamping portion of the clip holds the normally closed terminal in the original state. When the button is pressed to move the clip downward, the clamping portion of the clip holds the insulating column, realizing the conduction or cut-off of the signal.

[0012] In one embodiment, one end of the spring is sleeved on the outer wall of the first boss and abuts against the first positioning plate. The other end of the spring abuts against the common terminal. The spring is used as a conductor to conduct the clip and the common terminal.

[0013] In one embodiment, the outer shell covers the base and encloses the pressing block, the clip, the spring, the protrusion and the insulating column inside the outer shell. Limiting strips are respectively provided on the inner walls of two sides of the outer shell. Limiting grooves matching with the limiting strips are respectively provided on the outer walls of two sides of the pressing block. The button is limited by the limiting grooves with the outer shell. A button through hole is further provided on the top of the outer shell. One end of the pressing column extends out through the button through hole.

[0014] In one embodiment, a sealing ring is further provided at the end of the pressing column extending outwards. One end of the sealing ring is clamped and sealed with the pressing column, and the other end is sealed with the button through hole of the outer shell. The waterproof and dustproof effect of the micro switch can be realized through the sealing ring.

[0015] In one embodiment, a horn portion extending obliquely outwards is provided at the bottom end of the clamping portion, which can facilitate the up and down sliding of the clamping portion.

[0016] In one embodiment, a handle is further inserted on the outer shell, which can be more widely applied to cam-operated switches of different models.

[0017] The beneficial effects of the present invention are as follows: For the clip sliding contact microswitch of the present invention, when assembling the clip and the button, the first boss of the pressing block is positioned by the first fixing hole of the clip, the second boss is positioned by the second fixing hole, and at the same time, the insertion block on the clip is inserted into the slot of the pressing block, so that the assembly positioning between the clip and the button is accurate. The clamping blocks on both sides of the clip are then clamped into the clamping grooves on both side walls of the pressing block, and the clamping and fixing method is adopted to realize the assembly of the clip and the button, making the assembly of the clip and the button convenient and simple during the assembly process;

[0018] In addition, when the clip and the button are assembled, due to the positioning of the first fixing hole and the first boss, the second fixing hole and the second boss, the cooperation between the insertion block and the slot, and the cooperation between the clamping block and the clamping groove, an automated device can directly install the clip onto the button, thereby realizing the automated assembly of the clip and the button and improving the assembly efficiency;

[0019] For the clip sliding contact microswitch of the present invention, a spring is used as the connecting conductor between the clip and the common terminal, and the components of the microswitch can be adopted, making the structure of the microswitch simple. Moreover, the spring can also reset the button after pressing, making the design of the microswitch reasonable. Brief Description of the Drawings

[0020] Figure 1 It is a schematic exploded view of the first embodiment of the clip sliding contact microswitch of the present invention;

[0021] Figure 2 It is a schematic diagram of the installation structure of the clip and the button in the first embodiment of the clip sliding contact microswitch of the present invention;

[0022] Figure 3 It is a schematic diagram of the button structure in the first embodiment of the clip sliding contact microswitch of the present invention;

[0023] Figure 4 It is a schematic diagram of the clip structure in the first embodiment of the clip sliding contact microswitch of the present invention;

[0024] Figure 5 It is a schematic diagram of the connection structure of the base, the clip and the button in the first embodiment of the clip sliding contact microswitch of the present invention;

[0025] Figure 6 It is a schematic diagram of the base structure in the first embodiment of the clip sliding contact microswitch of the present invention;

[0026] Figure 7 It is a cross-sectional view of the connection of the base, the clip and the button in the first embodiment of the clip sliding contact microswitch of the present invention;

[0027] Figure 8 It is a schematic diagram of the housing structure in the first embodiment of the clip sliding contact microswitch of the present invention;

[0028] Figure 9 Schematic diagram of the connection structure of the base, clip and button of the second embodiment of the clip sliding contact microswitch of the present invention;

[0029] Figure 10 Schematic diagram of the base structure of the second embodiment of the clip sliding contact microswitch of the present invention.

[0030] As shown in the attached drawings: 100, base; 110, common terminal; 120, normally open terminal; 130, normally closed terminal; 140, bump; 150, insulating column; 200, housing; 210, limiting strip; 220, button through hole; 300, button; 310, pressing column; 320, pressing block; 321, groove; 322, first boss; 323, second boss; 324, card slot; 325, slot; 326, limiting groove; 400, spring; 500, clip; 510, first positioning plate; 511, first fixing hole; 512, through hole; 513, clamping block; 514, inserting block; 520, second positioning plate; 521, second fixing hole; 530, clamping part; 540, horn part; 600, sealing ring; 700, handle. Detailed implementation manners

[0031] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the products of the present invention will be further described in detail below in conjunction with the embodiments and the attached drawings.

[0032] Embodiment 1:

[0033] Please refer to Figures 1 to 4 , a clip sliding contact microswitch, including a base 100, a housing 200, a button 300, a spring 400 and a clip 500. The button 300 includes a pressing column 310 and a pressing block 320. The pressing column 310 is connected to one end of the pressing block 320, and the other end of the pressing block 320 is provided with a groove 321. A first boss 322 and a second boss 323 are arranged in the groove 321, and card slots 324 are opened on both side walls of the groove 321. A slot 325 is also arranged at the bottom of the groove 321;

[0034] A first positioning plate 510 is arranged at the lower part of one side of the clip 500, and a second positioning plate 520 is arranged at the upper part. The first positioning plate 510 is provided with a first fixing hole 511 that cooperates with the first boss 322 and a through hole 512 for the second boss 323 to pass through. Clamping blocks 513 that cooperate with the card slots 324 are also arranged on both sides of the first positioning plate 510, and an inserting block 514 that cooperates with the slot 325 is arranged at the bottom of the first positioning plate 510. The second positioning block 520 is provided with a second fixing hole 521 that cooperates with the second boss 323, and a clamping part 530 is arranged on the other side of the clip 500.

[0035] Specifically, in this embodiment, for the convenience of assembly, a recessed groove 321 is provided at the bottom end of the pressing block 320 of the button 300, and a first boss 322 and a second boss 323 are provided in the recessed groove 321. The height of the second boss 323 is higher than that of the first boss 322. At the same time, clamping grooves 324 are formed on the side walls on both sides of the recessed groove 321, and the clamping grooves 324 are arranged on both sides of the second boss 323. In addition, a slot 325 is formed at the bottom of the recessed groove 321, and the slot 325 is arranged near the second boss 323. On one side of the gripper 500, a first positioning plate 510 and a second positioning plate 520 are arranged vertically, and the height between the first positioning plate 510 and the second positioning plate 520 needs to be matched with the height between the first boss 322 and the second boss 323, so that the gripper 500 can be reasonably installed on the button 300.

[0036] When the gripper 500 and the button 300 are installed, the first fixing hole 511 on the first positioning plate 510 is sleeved on the first boss 322, and the second fixing hole 521 of the second positioning plate 520 is sleeved on the second boss 323. At the same time, the insertion block 514 at the bottom of the first positioning plate 510 is inserted into the slot 325. At this time, the clamping blocks 513 on both sides of the first positioning plate 510 are clamped into the clamping grooves 324 for fixation, preventing the gripper 500 from separating from the button 300, and finally realizing the installation of the gripper 500 and the button 300. And through the positioning between the first fixing hole 511 and the first boss 322, the positioning between the second fixing hole 521 and the second boss 323, and the positioning between the insertion block 514 and the slot 325, the installation of the gripper 500 and the button 300 is convenient. In addition, through the clamping method between the clamping blocks 513 and the clamping grooves 324, the installation of the gripper 500 and the button 300 is also convenient and the installation is stable.

[0037] In this embodiment, due to the positioning methods between the first fixing hole 511 and the first boss 322, between the second fixing hole 521 and the second boss 323, and between the insertion block 514 and the slot 325, the positioning of the gripper 500 and the button 300 is accurate. Therefore, during installation, an automated device can be used to install the gripper 500 and the button 300, realizing the automated assembly of the micro switch, improving the assembly efficiency, and increasing production.

[0038] Please refer to Figure 5 and Figure 6, a common terminal 110 and an output terminal are installed on the base 100. The output terminal is a normally open terminal 120 or a normally closed terminal 130. The common terminal 110 and the output terminal are respectively arranged on both sides of the base 100. A convex block 140 is further arranged on one side of the common terminal 110. The convex block 140 intersects with one end of the common terminal 110 in a cross shape. An insulating column 150 is further arranged on one side of the output terminal. The insulating column 150 is attached to one end of the output terminal. The other ends of the common terminal 110 and the output terminal extend out of the base 100 respectively.

[0039] In this embodiment, the common terminal 110 and the output terminal are assembled with the base 100 by means of plastic coating process, which can facilitate the production and manufacture of the base 100, the common terminal 110 and the output terminal. One end of the common terminal 110 provided with the convex block 140 is used to maintain fixed conduction with the clip 500. One end of the output terminal provided with the insulating column 150 is used to conduct switching with the clip 500. The ends of the common terminal and the output terminal extending out of the base 100 are used to connect other power electrical appliances.

[0040] When the output terminal in this embodiment is a normally open terminal 120, at this time, the original state of the microswitch is that the clamping part 530 of the clip 500 clamps the insulating column 150. When the button 300 is pressed, while the button 300 is being pressed down, it will cause the clip 500 to move downward. At this time, the clamping part 530 of the clip 500 separates from the insulating column 150 and connects with the normally open terminal 120. Finally, the conduction or cut-off of the microswitch signal is realized.

[0041] Please refer to Figure 5 and Figure 7 , one end of the spring 400 is sleeved on the outer wall of the first convex platform 322 and abuts against the first positioning plate 510. The other end of the spring 400 abuts against the common terminal 110. Using the spring 400 as a conductor, the clip 500 is conducted with the common terminal 110.

[0042] In this embodiment, in order to reduce components, a spring is used as the fixed conduction component between the common terminal 110 and the clip 500. Both the spring 400 and the clip 500 are conductive metals. One end of the spring 400 is sleeved on the first convex platform 322, and the other end is clamped at the end where the convex block 140 intersects with the common terminal in a cross shape, so that the connection of the spring 400 is stable and there will be no displacement situation. In addition, after the button 300 is pressed down, it can be reset by the spring 500. Finally, the components of the microswitch are reasonably designed and the number of components can be reduced.

[0043] Please refer to Figure 3 and Figure 8, the housing 200 covers the base 100, and houses the pressing block 320, the clamping jaw 500, the spring 400, the convex block 140, and the insulating column 150 inside the housing 200. Limiting bars 210 are respectively provided on the inner walls on both sides of the housing 200, and limiting grooves 326 that cooperate with the limiting bars 210 are respectively provided on the outer walls on both sides of the pressing block 320. The button 300 is limited to the housing 200 through the limiting grooves 326 and the limiting bars 210. A button through-hole 220 is further provided at the top of the housing 200, and one end of the pressing column 310 extends outward through the button through-hole 220.

[0044] In this embodiment, since the microswitch needs to press the button 300, in order to prevent the button 300 from shaking or being displaced during operation, therefore, limiting grooves 326 are provided on the outer walls on both sides of the pressing block 320. At the same time, limiting bars 210 are provided on the inner walls on both sides of the housing 200. By placing the limiting bars 210 in the limiting grooves 326, the button 300 will not swing or be displaced during pressing, ensuring the reasonable operation of the microswitch, and the extending end of the pressing column 310 is used for pressing.

[0045] Please refer to Figure 1 , a sealing ring 600 is further provided at the extending end of the pressing column 310. One end of the sealing ring 600 is clamped and sealed with the pressing column 310, and the other end is sealed with the button through-hole 220 of the housing 200.

[0046] Since the microswitch needs to be waterproof and dustproof, therefore, after assembly, the button through-hole 220 needs to be sealed. Thus, a sealing ring 600 is clamped on the extending pressing column 310, and the other end of the sealing ring 600 is adhered to the housing 200 by gluing, thereby realizing the sealing of the button through-hole 220 and achieving the waterproof and dustproof effect.

[0047] Please refer to Figure 4 , in order to facilitate the up and down movement of the clamping jaw 500, therefore, a horn-shaped portion 540 that extends obliquely outward is provided at the bottom end of the clamping portion 530. Through the horn-shaped portion 540, the clamping jaw 500 slides up and down more smoothly when the signal is conducted or disconnected, without jamming.

[0048] In addition, please refer to Figure 1 , in order to facilitate the pressing down of the button 300, a handle 700 is further inserted on the housing 200. By the action of the handle 700 on the pressing column 310, the button 300 can be pressed down reasonably, thereby improving the pressing feel.

[0049] Embodiment Two:

[0050] The clip-sliding contact microswitch in this embodiment is basically the same as that in the first embodiment, and the main difference lies in that: the output terminal is a normally closed terminal 130.

[0051] Specifically, please refer to Figure 9 and Figure 10 , when the output terminal is the normally closed terminal 130, the clamping portion 530 of the clip 500 clamps the normally closed terminal 130 in the original state. When pressing the button 300 to make the clip 500 move downward, the clamping portion 530 of the clip 500 clamps the insulating column 150, realizing the conduction or cut-off of the signal.

[0052] Similarly, when the output terminal in this embodiment is the normally closed terminal 130, at this time, the original state of the microswitch is that the clamping portion 530 of the clip 500 clamps the normally closed terminal 130. When pressing the button 300, while the button 300 is pressing down, it will make the clip 500 move downward. At this time, the clamping portion 530 of the clip 500 separates from the normally closed terminal 130 and connects with the insulating column 150. Finally, the conduction or cut-off of the microswitch signal is realized.

[0053] In summary, by positioning the first boss 322 of the pressing block 320 through the first fixing hole 511 of the clip 500, positioning the second boss 323 through the second fixing hole 521, inserting the insertion block 514 on the clip 500 into the slot 325 of the pressing block 320, and clamping the clamping blocks 513 on both sides of the clip 500 into the slots 324 on both side walls of the pressing block 320, the assembly of the clip 500 and the button 300 is realized, making the assembly of the clip 500 and the button 300 convenient; in addition, when the clip 500 and the button 300 are assembled, due to the positioning of the first fixing hole 511 and the first boss 322, the positioning of the second fixing hole 521 and the second boss 323, the cooperation of the insertion block 514 and the slot 325, and the cooperation of the clamping block 513 and the slot 324, automated equipment can be directly used to install the clip 500 onto the button 300, thereby realizing the automated assembly of the clip 500 and the button 300, improving the assembly efficiency and the production efficiency.

[0054] The above shows and describes the basic principles, main features and advantages of the present invention. Any equivalent changes made by those skilled in the art within the scope of the technical solution of the present invention by using the above-disclosed technical content for minor modifications, decorations and evolutions are equivalent embodiments of the present invention; at the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention still fall within the scope of the technical solution protection of the present invention.

Claims

1. A clip-sliding contact microswitch, comprising a base, a housing, a button, a spring and a clip. Characterized in that: The button includes a pressing column and a pressing block. The pressing column is connected to one end of the pressing block, and a groove is provided at the other end of the pressing block. A first boss and a second boss are provided in the groove, and card slots are provided on both side walls of the groove. A slot is also provided at the bottom of the groove. A first positioning plate is provided at the lower part of one side of the clip, and a second positioning plate is provided at the upper part. A first fixing hole matching with the first boss and a through hole for the second boss to pass through are provided on the first positioning plate. Card blocks matching with the card slots are also provided on both sides of the first positioning plate, and a plug block matching with the slot is provided at the bottom of the first positioning plate. A second fixing hole matching with the second boss is provided on the second positioning plate. A clamping part is provided on the other side of the clip, and a horn part extending obliquely outward is provided at the bottom end of the clamping part. The clip is installed with the button by positioning the first fixing hole with the first boss, the second fixing hole with the second boss, the card block being snapped into the card slot and the plug block being inserted into the slot. A common terminal and an output terminal are installed on the base. The output terminal is a normally open terminal or a normally closed terminal. The common terminal and the output terminal are respectively arranged on both sides of the base. A protrusion is also provided on one side of the common terminal. The protrusion intersects with one end of the common terminal in a cross shape. An insulating column is also provided on one side of the output terminal. The insulating column is attached to one end of the output terminal. The other ends of the common terminal and the output terminal respectively extend out of the base. One end of the spring is sleeved on the outer wall of the first boss and abuts against the first positioning plate, and the other end of the spring abuts against the common terminal. The spring is used as a conductor to conduct the clip and the common terminal.

2. The clip-sliding contact microswitch according to claim 1, Characterized in that: When the output terminal is a normally open terminal, the clamping part of the clip clamps the insulating column in the original state. When the button is pressed and the clip moves downward, the clamping part of the clip clamps the normally open terminal to realize the conduction or cut-off of the signal.

3. The clip-sliding contact microswitch according to claim 1, Characterized in that: When the output terminal is a normally closed terminal, the clamping part of the clip clamps the normally closed terminal in the original state. When the button is pressed and the clip moves downward, the clamping part of the clip clamps the insulating column to realize the conduction or cut-off of the signal.

4. The clip-sliding contact microswitch according to claim 2 or 3, Characterized in that: The housing covers the base and covers the pressing block, the clip, the spring, the protrusion and the insulating column inside the housing. Limiting strips are respectively provided on the inner walls of both sides of the housing. Limiting grooves matching with the limiting strips are respectively provided on the outer walls of both sides of the pressing block. The button is limited with the housing through the limiting grooves. A button through hole is also provided at the top of the housing. One end of the pressing column extends outward through the button through hole.

5. The clip-sliding contact microswitch according to claim 4, Characterized in that: One end of the pressing column extending outwards is further provided with a sealing ring. One end of the sealing ring is clamped and sealed with the pressing column, and the other end is sealed with the pressing through hole of the housing.

6. The clip sliding contact microswitch according to claim 1, characterized in that: A handle is further inserted on the housing.

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