A clip-sliding microswitch and its assembly process

Abstract

The present invention discloses a clip-sliding microswitch and an assembly process, which includes a base, a housing, a button, a spring and a clip. 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 housing is connected to the base. The button includes a pressing column and a pressing block. The spring is a metal spring. One side of the clip is inserted on the pressing block and abuts against one end of the spring, and the other end of the spring abuts against the common terminal. The other side of the clip is connected or disconnected from the output terminal by pressing down the button, so as to realize the conduction or cut-off of the signal. The clip-sliding microswitch of the present invention uses the spring as a conductor to conduct between the clip and the common terminal, thereby simplifying the components, reducing the number of components for assembling the microswitch, having a simple structure and being convenient for assembly. At the same time, the connection between the clip and the common terminal and the output terminal is stable and simple, so that the signal output of the microswitch is stable and firm.

Description

Technical Field

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

[0002] A microswitch is a clip-sliding silent mechanism, a contact mechanism that performs switch actuation with a specified stroke and a specified force, covered with a housing, and has a drive rod on its exterior. Because of the silent feature of its sliding contacts, it 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] However, for existing microswitches, they have many assembled components, which are rather cumbersome during assembly, resulting in a complex structure and average stability of the assembled microswitch. Additionally, when assembling a microswitch, generally, the housing and the button are first assembled, and then the terminal assembly is inserted. In this way, when the terminal assembly is inserted, it is easy to damage the internal components of the microswitch. Therefore, it is necessary to simplify the structure of the microswitch and improve its assembly process. Summary of the Invention

[0004] The purpose of the present invention is to provide a clip-sliding microswitch with simple assembly and stable and firm contact performance. At the same time, an assembly process of the clip-sliding microswitch is also provided, so that the components of the switch will not be damaged during assembly.

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

[0006] A clip-sliding microswitch, comprising: a base, on one side of the base, there is a button activity chamber, on the other side, there is an insulating column, and 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. One end of the common terminal is placed in the button activity chamber, and one end of the output terminal cooperates with the insulating column. The other ends of the common terminal and the output terminal respectively extend out of the base;

[0007] A housing, which is connected to the base and covers the button activity chamber and the insulating column inside the housing;

[0008] A button, which includes a pressing column and a pressing block. The pressing block is arranged in the button activity chamber of the base, and the pressing column penetrates through the housing and is arranged outside;

[0009] A spring, which is a metal spring and is arranged in the button activity chamber;

[0010] The clip is inserted on one side of the pressing block and abuts against one end of the spring, and the other end of the spring abuts against the common terminal. The clamping part on the other side of the clip is connected or disconnected from the output terminal by pressing the button down, so as to realize the conduction or cut-off of the signal.

[0011] In one embodiment, the pressing block is provided with a groove, and a first hanging platform is arranged at the bottom of the groove. One side of the pressing block where the clip is inserted is provided with an insertion part. The top end of the insertion part is provided with a socket communicating with the groove, and the bottom end of the insertion part is provided with a second hanging platform.

[0012] In one embodiment, one side of the clip inserted in the pressing block of the button is provided with a first insertion part and a second insertion part. A first hanging hole is arranged on the first insertion part, and a second hanging hole is arranged on the second insertion part. The first insertion part is inserted from the socket of the pressing block of the button, and the first hanging hole of the clip is snapped into the first hanging platform of the pressing block of the button, and the first insertion part abuts against the spring. The second hanging hole of the clip is snapped into the second hanging platform of the pressing block of the button. The clamping part of the clip is used to connect with the output terminal or connect with the insulating column.

[0013] In one embodiment, guide grooves are arranged on both sides of the button activity chamber, and guide blocks matched with the guide grooves are arranged on both sides of the pressing block of the button. Press the button to make the guide blocks move up and down in the guide grooves.

[0014] In one embodiment, a protrusion is arranged at the bottom of the button activity chamber, and a convex block is arranged at one end of the common terminal arranged in the button activity chamber. The protrusion and the convex block are in a cross shape for positioning the spring.

[0015] In one embodiment, when the output terminal is a normally open terminal, the insulating column is in an inverted 'L' shape. The normally open terminal is arranged below the insulating column in an inverted 'L' shape, and the insulating column and the normally open terminal have the same thickness.

[0016] In one embodiment, when the output terminal is a normally closed terminal, the normally closed terminal is in an inverted 'L' shape. The insulating column is arranged below the normally closed terminal in an inverted 'L' shape, and the normally closed terminal and the insulating column have the same thickness.

[0017] In one embodiment, a horn part is arranged at the bottom end of the clamping part to facilitate the up and down movement of the clamping part.

[0018] In one embodiment, a sealing ring is further included. One end of the sealing ring is clamped on the pressing column, and the other end is hermetically connected to the shell to waterproof and dustproof the micro switch.

[0019] In one embodiment, a handle is further arranged on the shell for pressing the button.

[0020] To solve the above technical problems, the present invention also provides an assembly process for a clip-sliding microswitch, which is characterized by including the following steps:

[0021] Step 1: Perform plastic coating molding on the common terminal, output terminal, and base.

[0022] Step 2: Then insert one side of the clip into the pressing block, and at the same time place one end of the spring in the groove of the pressing block and connect the spring to the clip.

[0023] Step 3: Next, snap the guiding blocks on both sides of the pressing block into the guiding grooves on both sides of the pressing activity chamber, and connect the other end of the spring to the common terminal, so that the common terminal is connected to the clip through the spring. The other side of the clip then clamps the output terminal or the insulating column, thus completing the assembly between the pressing part and the base, realizing the surface mounting of the clip part, and detecting whether it is deformed.

[0024] Step 4: Cover the outer shell on the base and apply glue at the connection to prevent water.

[0025] Step 5: Clamp one end of the sealing ring on the pressing column of the pressing part, and connect the other end to the outer shell by applying glue for sealing.

[0026] Step 6: Insert one end of the handle into the outer shell to complete the assembly of the microswitch.

[0027] The beneficial effects of the present invention are as follows: For the clip-sliding microswitch and its assembly process of the present invention, during assembly, first insert the clip into the pressing block of the pressing part, then install the pressing part on the base, and connect one end of the clip to the common terminal through the spring. At the same time, the other end of the clip forms a normally open or normally closed state with the output terminal. Finally, seal the connection between the outer shell and the base, so that the assembly of the microswitch is simple and convenient, and the clip will not be damaged; in addition, the common terminal is conductively connected to the clip through the spring, thereby simplifying the components of the microswitch, making the structure of the microswitch simple and reasonable, and saving costs. Brief Description of the Drawings

[0028] Figure 1 It is a schematic structural diagram of the first embodiment of the microswitch of the present invention;

[0029] Figure 2 It is a cross-sectional view of the first embodiment of the microswitch of the present invention;

[0030] Figure 3 It is a schematic structural diagram of the connection between the base and the pressing part of the first embodiment of the microswitch of the present invention;

[0031] Figure 4 It is a schematic structural diagram of the base of the first embodiment of the microswitch of the present invention;

[0032] Figure 5 Schematic diagram of the pressing structure of the first embodiment of the micro switch of the present invention;

[0033] Figure 6 Schematic diagram of the clip structure of the first embodiment of the micro switch of the present invention;

[0034] Figure 7 Cross-sectional view of the second embodiment of the micro switch of the present invention;

[0035] Figure 8 Schematic diagram of the base structure of the second embodiment of the micro switch of the present invention.

[0036] As shown in the attached drawings: 100, base; 110, pressing activity room; 120, insulating column; 130, common terminal; 131, convex block; 140, output terminal; 150, guide groove; 160, protrusion; 200, housing; 300, pressing button; 310, pressing column; 320, pressing block; 321, groove; 322, first hanging platform; 323, insertion part; 324, socket; 325, second hanging platform; 326, guide block; 400, spring; 500, clip; 510, first insertion part; 511, first hanging hole; 520, second insertion part; 521, second hanging hole; 530, clamping part; 531, horn part; 600, sealing ring; 700, handle. Specific implementation manners

[0037] In order to enable those skilled in the art to better understand the technical solution 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.

[0038] Embodiment 1:

[0039] Please refer to Figures 1 to 6, A clip-sliding microswitch, comprising: a base 100, on one side of the base 100 there is a button activity chamber 110, on the other side there is an insulating column 120, and a common terminal 130 and an output terminal 140 are installed on the base 100. The output terminal 140 is a normally open terminal or a normally closed terminal. One end of the common terminal 130 is placed in the button activity chamber 110, and one end of the output terminal 140 is cooperated with the insulating column 120. The other ends of the common terminal 130 and the output terminal 140 respectively extend out of the base 100; a housing 200, the housing 200 is connected to the base 100, and the button activity chamber 110 and the insulating column 120 are covered inside the housing 200; a button 300, the button 300 includes a pressing column 310 and a pressing block 320, the pressing block 320 is arranged in the button activity chamber 110 of the base, and the pressing column 310 passes through the housing 200 and is arranged outside; a spring 400, the spring 400 is a metal spring and is arranged in the button activity chamber 110; a clip 500, one side of the clip 500 is inserted on the pressing block 320 and abuts against one end of the spring 400, the other end of the spring 400 abuts against the common terminal 130, and the clamping portion 530 on the other side of the clip 500 is connected or disconnected from the output terminal 140 by pressing down the button 300, so as to realize the conduction or cut-off of the signal.

[0040] Specifically, in this embodiment, when assembling the microswitch, first assemble the common terminal 130 and the output terminal 140 with the base 100 by using the plastic coating process, then insert one side of the clip 500 onto the pressing block 320 of the button 300, and at the same time place the pressing block 320 in the button activity chamber 110 of the base 100, and set a spring 400 in the button activity chamber 110, so that the two ends of the spring 400 respectively abut against the clip 500 and the common terminal 130, and the other side of the clip 500 clamps the output terminal 130 or the insulating column 120, and the spring 400 can be pressed down by the button 300 to connect or disconnect the clip 500 from the output terminal 130, thereby realizing the conduction or cut-off of the microswitch signal. In this embodiment, because the spring 400 is a metal spring, the clip 500 can be directly conducted with the common terminal 130 without adding other component connections. Therefore, the assembly components of the microswitch can be simplified, the structure of the microswitch is simple, the assembly is convenient, and the cost is reduced at the same time.

[0041] In addition, because one side of the clip 500 is directly inserted on the pressing block 320 and abuts against the spring 400, the connection between the clip 500 and the common terminal 130 can be made more direct, and at the same time the connection between the clip 500 and the common terminal 130 is more stable and firm, so that the signal is stably output.

[0042] Please refer to Figure 5 and Figure 6, the pressing block 320 is provided with a groove 321, a first hanging platform 322 is arranged at the bottom of the groove 321, an insertion part 323 is arranged on one side of the pressing block 320 where it is inserted into the clamp 500, a socket 324 communicating with the groove 321 is arranged at the top end of the insertion part 323, and a second hanging platform 325 is arranged at the bottom end of the insertion part 323.

[0043] On one side of the clamp 500 where it is inserted into the pressing block 320 of the button, a first insertion part 510 and a second insertion part 520 are provided. A first hanging hole 511 is arranged on the first insertion part 510, and a second hanging hole 521 is arranged on the second insertion part 520. The first insertion part 510 is inserted from the socket 324 of the pressing block 320 of the button, and the first hanging hole 511 of the clamp 500 is snapped into the first hanging platform 322 of the pressing block 320 of the button, and the first insertion part 510 abuts against the spring 400. The second hanging hole 521 of the clamp 500 is snapped into the second hanging platform 325 of the pressing block 320 of the button, and the clamping part 530 on the other side of the clamp 500 is used to connect with the output terminal 140 or connect with the insulating column 120.

[0044] Similarly, in order to ensure the stable and firm contact performance of the micro switch, in this embodiment, a groove 321 for assembling and positioning the spring 400 is arranged at the bottom of the pressing block 320, and a first hanging platform 322 is arranged in the groove 321. At the same time, an insertion part 323 is arranged on one side of the pressing block 320, a socket 324 communicating with the groove 321 is arranged at the top end of the insertion part 323, and a second hanging platform 325 is arranged at the bottom end. The clamp 500 is provided with a first insertion part 510 and a second insertion part 520. When inserting, the first insertion part 510 is inserted into the groove 321 from the socket 324, and the first hanging platform 322 at the bottom of the groove 321 is snapped into the first hanging hole 511 of the first insertion part 510. When the first insertion part 510 is inserted, the second hanging platform 325 at the bottom end of the insertion part 323 is snapped into the second hanging hole 521 of the second insertion part 520, so that the clamp 500 is inserted into the pressing block 320, and the connection between the clamp 500 and the pressing block 320 is stable and firm through the first hanging platform 322 and the second hanging platform 325. Of course, in order to achieve a better stable and firm effect, the distance between the first insertion part 510 and the second insertion part 520 should fit with the thickness from the top end to the bottom end of the insertion part 323.

[0045] Please refer to Figures 3 to 5 , guide grooves 150 are arranged on both sides of the button activity chamber 110, guide blocks 326 matching with the guide grooves 150 are arranged on both sides of the pressing block 320 of the button 300, and the guide blocks 326 move up and down in the guide grooves 150 when the button 300 is pressed.

[0046] In this embodiment, since the micro switch needs to press the button 300, in order to prevent the button 300 from shaking or being displaced during operation, guide grooves 150 are provided on both sides of the button activity chamber 110. At the same time, guide blocks 326 are provided on both sides of the pressing block 320. When the button 300 is pressed, the guide blocks 326 move up and down in the guide grooves 150, so that the button 300 will not shake or be displaced when pressed down, ensuring the normal operation of the micro switch. In addition, since there is a spring 400 below the button 300, and in order to prevent the pressing block 320 from being ejected from the button activity chamber 110, the pressing block 320 can also be fixed and positioned by the guide blocks 326 and the guide grooves 150, so that the structural design of the micro switch is reasonable.

[0047] Please refer to Figure 4 , a protrusion 160 is provided at the bottom of the button activity chamber 110, and a convex block 131 is provided at one end of the common terminal 130 provided in the button activity chamber. The protrusion 160 and the convex block 131 are in a cross shape for positioning the spring 400.

[0048] Similarly, in this embodiment, in order to make the contact of the micro switch stable and firm, a protrusion 160 is provided at the bottom of the button activity chamber 110, and a convex block 131 is provided on the common terminal 130, so that the protrusion 160 and the convex block 131 are in a cross shape, thereby limiting the bottom end of the spring 400 to prevent its displacement. At the same time, the contact between the spring 400 and the common terminal 130 can be strengthened, making the connection between the spring 400 and the common terminal 130 more stable and firm.

[0049] Please refer to Figure 2 or Figure 3 , when the output terminal 140 is a normally open terminal, the insulating column 120 is in an inverted 'L' shape, and the normally open terminal is provided below the insulating column 120 in an inverted 'L' shape, and the insulating column 120 has the same thickness as the normally open terminal.

[0050] In this embodiment, the insulating column 120 is designed in an inverted 'L' shape, and the normally open terminal is placed below the insulating column 120 in an inverted 'L' shape. At the same time, the thickness of the insulating column 120 is the same as that of the normally open terminal. At this time, the micro switch is in a normally open state, and the clip 500 is originally holding the insulating column 120. When the button 300 is pressed, the pressing block 320 moves down and drives the clip 500 to move down together. The clip 500 then moves to the normally open terminal and is connected to the normally open terminal, thereby realizing the conduction of the signal. When the button 300 is released, the spring 400 drives the button 300 to reset, so that the clip 500 resets and disconnects from the normally open terminal, cutting off the signal.

[0051] Please refer to Figure 6, in order to facilitate the up and down movement of the gripper 500, a horn portion 531 may be provided at the bottom end of the clamping portion 530, so that the gripper 500 can move up and down more smoothly.

[0052] Please refer to Figure 1 or Figure 2 , it further includes a sealing ring 600. One end of the sealing ring 600 is clamped on the pressing column 321, and the other end is hermetically connected to the housing 200 to waterproof and dustproof the micro switch.

[0053] Since the micro switch needs to be waterproofed, after assembly, it is necessary to seal the button 300 and the housing 200. Therefore, the micro switch is also provided with a sealing ring 600. One end of the sealing ring 600 is clamped on the pressing column 310 of the button 300, and the other side is adhered to the housing 200 by gluing to achieve the seal between the button 300 and the housing 200 and perform waterproofing.

[0054] In addition, please refer to Figure 1 or Figure 2 , in order to facilitate pressing the button 300, a handle 700 is further provided on the housing 200. By pressing the handle 700, the button 300 is pressed down to improve the pressing feel.

[0055] Embodiment 2

[0056] The sliding micro switch of the clip in this embodiment is basically the same as that in Embodiment 1, and the main difference is that: the output terminal 140 is a normally closed terminal.

[0057] Specifically, please refer to Figure 7 and Figure 8 , the normally closed terminal is in an inverted 'L' shape, the insulating column 120 is arranged below the inverted 'L' shaped normally closed terminal, and the normally closed terminal and the insulating column 120 have the same thickness.

[0058] Similarly, in order to achieve the normally closed effect of the micro switch, the normally closed terminal is designed in an inverted 'L' shape, and the insulating column 120 is arranged below the inverted 'L' shaped normally closed terminal. The thickness of the normally closed terminal and the insulating column 120 also needs to be the same. At this time, the original state of the gripper 500 is to hold the normally closed terminal. When the button 300 is pressed, the pressing block 320 will drive the gripper 500 to move down together, so that the gripper 500 is separated from the normally closed terminal, disconnecting the signal. When the button 300 is released, the pressing block 320 drives the gripper 500 to reset, so that the gripper 500 is conducted with the normally closed terminal, connecting the signal.

[0059] In summary, by using the spring 300 as a conductor to connect the common terminal 130 and the clamp 500, the assembly components of the microswitch are simplified, making the structure of the microswitch simple, convenient to assemble, and cost-saving. In addition, the clamp 500 and the button 300 are respectively connected to the first hanging hole 511 and the second hanging hole 521 through the first hanging platform 322 and the second hanging platform 325, making the connection between the clamp 500 and the button 300 stable and firm. Finally, the signal of the microswitch is stably output.

[0060] In addition, in order to prevent damage to the components of the microswitch during assembly, the present invention also provides an assembly process for a clip-sliding microswitch, and the specific steps are as follows:

[0061] Step 1: Overmold the common terminal 130, the output terminal 140 and the base 100.

[0062] Step 2: Then insert one side of the clamp 500 into the pressing block 320, and at the same time place one end of the spring 400 in the groove 321 of the pressing block 320 and connect the spring 400 with the clamp 500.

[0063] Step 3: Then snap the guiding blocks 326 on both sides of the pressing block 320 into the guiding grooves 150 on both sides of the button activity chamber 110, and connect the other end of the spring 400 with the common terminal 130, so that the common terminal 130 is connected to the clamp 500 through the spring 400. The other side of the clamp 500 clamps the output terminal 140 or the insulating column 120, thus completing the assembly between the button 300 and the base 100, realizing the surface mounting of the clamp 500 part, and detecting whether it is deformed.

[0064] Step 4: Cover the housing 200 on the base 100 and apply glue at the connection to prevent water ingress.

[0065] Step 5: Snap one end of the sealing ring 600 onto the pressing column 310 of the button 300, and seal and connect the other end to the housing 200 by applying glue.

[0066] Step 6: Finally, insert one end of the handle 700 into the housing 200 to complete the assembly of the microswitch.

[0067] The present invention adopts the above assembly process. By first connecting the clamp 500 to the common terminal 130 or the output terminal 140 (insulating column 120) respectively and then using the surface mounting method of covering the housing 200, it replaces the original hidden mounting method of first assembling the button 300 and the housing 200 and then inserting the terminals. Thus, when the clamp 500 is connected to the output terminal 140 (insulating column 120), the clamp 500 will not be damaged, thereby improving the yield rate of the assembled microswitch.

[0068] The above has shown and described the basic principles, main features and advantages of the present invention. Any minor modifications, decorations and equivalent changes made by those skilled in the art within the scope of the technical solution of the present invention by using the technical content disclosed above 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 microswitch, characterized in that, Comprising: A base, on one side of the base there is a button activity chamber, on the other side there is an insulating column, and 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. One end of the common terminal is placed in the button activity chamber, one end of the output terminal is matched with the insulating column, and the other ends of the common terminal and the output terminal respectively extend out of the base; A housing, the housing is connected to the base and covers the button activity chamber and the insulating column inside the housing; A button, the button includes a pressing column and a pressing block, the pressing block is arranged in the button activity chamber of the base, and the pressing column passes through the housing and is arranged outside; A spring, the spring is a metal spring and is arranged in the button activity chamber; A clamp, one side of the clamp is inserted on the pressing block and abuts against one end of the spring, the other end of the spring abuts against the common terminal, and the clamping part on the other side of the clamp is connected or disconnected from the output terminal by pressing the button down, realizing the conduction or cut-off of the signal; The pressing block is provided with a groove, a first hanging platform is arranged at the bottom of the groove, an insertion part is arranged on the side of the pressing block where the clamp is inserted, a socket communicating with the groove is arranged at the top end of the insertion part, and a second hanging platform is arranged at the bottom end of the insertion part; One side of the clamp inserted on the pressing block of the button is provided with a first insertion part and a second insertion part. A first hanging hole is arranged on the first insertion part, and a second hanging hole is arranged on the second insertion part. The first insertion part is inserted from the socket of the pressing block of the button, and the first hanging hole of the clamp is snapped into the first hanging platform of the pressing block of the button, and the first insertion part abuts against the spring. The second hanging hole of the clamp is snapped into the second hanging platform of the pressing block of the button. The clamping part of the clamp is used to connect with the output terminal or connect with the insulating column. A horn part is arranged at the bottom end of the clamping part; The distance between the first insertion part and the second insertion part fits with the thickness from the top end to the bottom end of the insertion part; The assembly process of the clip sliding microswitch is as follows: Step 1, perform plastic coating molding on the common terminal, the output terminal and the base; Step 2, then insert one side of the clamp onto the pressing block, and at the same time place one end of the spring in the groove of the pressing block and connect the spring with the clamp; Step 3, then snap the guiding blocks on both sides of the pressing block into the guiding grooves on both sides of the button activity chamber, and connect the other end of the spring with the common terminal, so that the common terminal is connected with the clamp through the spring, and the other side of the clamp clamps the output terminal or the insulating column, thus completing the assembly between the button and the base, realizing the surface mounting of the clamp part, and detecting whether it is deformed; Step 4, cover the housing on the base and apply glue at the joint for waterproofing; Step 5, snap one end of the sealing ring on the pressing column of the button, and the other end is hermetically connected with the housing by applying glue; Step 6, insert one end of the handle into the housing to complete the assembly of the microswitch.

2. The clip sliding microswitch according to claim 1, characterized in that: Guiding grooves are arranged on both sides of the button activity chamber, guiding blocks matching with the guiding grooves are arranged on both sides of the pressing block of the button, and pressing the button makes the guiding blocks move up and down in the guiding grooves.

3. The clip sliding microswitch according to claim 2, characterized in that: A protrusion is provided at the bottom of the button activity chamber. A bump is provided at one end of the common terminal arranged in the button activity chamber. The protrusion and the bump are cross-shaped for positioning the spring.

4. The clip sliding microswitch according to claim 3, characterized in that: When the output terminal is a normally open terminal, the insulating post is in an inverted 'L' shape. The normally open terminal is arranged below the insulating post in an inverted 'L' shape, and the insulating post and the normally open terminal have the same thickness.

5. The clip-sliding microswitch according to claim 3, wherein: When the output terminal is a normally closed terminal, the normally closed terminal is in an inverted 'L' shape. The insulating post is arranged below the normally closed terminal in an inverted 'L' shape, and the normally closed terminal and the insulating post have the same thickness.

6. The clip sliding microswitch according to any one of claims 4 or 5, characterized in that: It further includes a sealing ring. One end of the sealing ring is clamped on the pressing post, and the other end is hermetically connected to the housing.

7. The clip sliding microswitch according to claim 6, wherein: A handle is further provided on the housing for pressing the button.

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