Touch microswitch

Abstract

The utility model discloses a touch microswitch which comprises a base, the base is provided with an embedding groove, a sensitive switch is embedded in the embedding groove, one side of the embedding groove is further provided with a feeler lever in a sliding mode, and the position, corresponding to the feeler lever, of the side wall of the embedding groove is provided with a penetrating-out hole for the feeler lever to penetrate out. One end of the feeler lever is matched with the penetrating-out hole in an inserted mode, the other end of the feeler lever is exposed out of the embedding groove and is bent to form a contact arm, an abutting table is formed in the position, corresponding to the sensitive switch touch button, of the feeler lever, the abutting table is provided with an abutting inclined face used for guiding the feeler lever to stretch out and draw back, and a reset spring abuts against the position between the abutting table and the outer wall of the penetrating-out hole. The reset spring is arranged on the feeler lever in a sleeved mode, a leading-out groove is formed in the side wall of the embedding groove, a contact pin of the sensitive switch is embedded in the leading-out groove, and a leading-out wire is connected to the contact pin. The structure is compact and reliable, the assembly is convenient, the wiring lead is convenient, and the use effect is good.

Description

Technical Field

[0001] The utility model relates to a touch-type micro switch. Background Art

[0002] The micro switch in the oven is a small switch, which is mainly used to control the circuit of the oven, realize automatic control, improve work efficiency, and ensure safety. The advantage of the micro switch is its high reliability and precision, which can provide stable electrical signals to ensure that the oven and fryer can be closed or opened at the right time. Inside the oven, the micro switch is usually installed in the drawer or door of the oven. It is composed of small electronic components, such as alumina ceramic materials and high-precision micro contact slides, which can withstand high-power currents and work in high-temperature environments. The micro switches in these positions usually have a long contact rod, which touches the micro switch button when it is resisted to connect the circuit. However, the existing structure is not stable enough for installation, and the wiring leads are complicated and difficult, which affects the use effect of the structure. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a touch-type micro switch, which has a compact and reliable structure, is easy to assemble, and has convenient wiring leads, and has good use effects.

[0004] To achieve the above-mentioned purpose, the utility model provides a touch-type micro switch, including a base, a mounting groove is provided on the base, and a sensitive switch is embedded in the mounting groove, a touch rod is slidably provided on one side of the mounting groove, and a through hole for the touch rod to pass through is provided on the side wall of the mounting groove corresponding to the position of the touch rod, one end of the touch rod is plugged into the through hole, and the other end is exposed outside the mounting groove and bent to form a contact arm, a contact platform is provided on the touch rod corresponding to the position of the sensitive switch touch button, a contact inclined surface is provided on the contact platform for guiding the extension and retraction of the touch rod, a reset spring is in contact with the contact platform and the outer wall of the through hole, the reset spring is sleeved on the touch rod, a lead-out groove is provided on the side wall of the mounting groove, a contact foot of the sensitive switch is embedded in the lead-out groove, and a lead-out wire is connected to the contact foot.

[0005] The beneficial effect of such arrangement is as follows: by such arrangement, the contact arm of the contact rod is touched, so that the contact rod slides in the embedded groove, so that the contact inclined surface of the contact platform on the contact rod presses the contact button, thereby connecting the sensitive switch; when the contact force is lost, the contact rod is reset under the action of the reset spring, so that the contact platform no longer contacts the contact button, thereby releasing the connection of the sensitive switch; this is the working principle of the normally open sensitive switch; of course, the sensitive switch here can also be normally closed; further, such structure is more compact, the layout is more reasonable, the structure is easy to inspect and maintain, the wiring operation is also more convenient, the contact foot can be easily positioned through the outlet groove, and no additional structure positioning line plate is required, thereby ensuring the use effect of the structure.

[0006] As a further configuration of the utility model, the lead-out wire is plugged into and matched with the contact pin via a contact sleeve, and a sealing rubber sleeve is also sleeved outside the contact sleeve.

[0007] The beneficial effect of such arrangement is that such arrangement ensures the stability of wiring and the connection effect, and at the same time, the structure is simple and has good reliability in use.

[0008] As a further configuration of the utility model, a blocking cover is also provided on the embedding groove, and a clamping arm is circumferentially provided on the blocking cover, a clamping groove and a clamping block are provided between the clamping arm and the outer wall of the embedding groove, and the clamping groove and the clamping block are clamped to position the blocking cover on the embedding groove.

[0009] The beneficial effect of such arrangement is that such arrangement can seal the micro switch installation position, reduce external dirt pollution, ensure the stability of the structure in use, and further such structure is stable and convenient to install, easy for subsequent maintenance, and has good use effect.

[0010] As a further configuration of the utility model, a guiding inclined surface is provided at the upper edge of the embedding groove corresponding to the position of the clamping arm.

[0011] The beneficial effect of such arrangement is that such arrangement makes installation and positioning faster, ensures the stability of structural installation, and has a good use effect.

[0012] As a further configuration of the present invention, a guide groove is provided on the base corresponding to the position of the touch rod, and an arc-shaped guide wall is formed at the edge of the guide groove.

[0013] The beneficial effect of such arrangement is that such arrangement can better guide the sliding action of the touch rod, ensure the stable operation of the structure, and have a good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0015] Figure 2It is a schematic diagram of the internal structure of an embodiment of the utility model. DETAILED DESCRIPTION

[0016] The implementation of the touch-type micro switch of the utility model is as follows: Figure 1 and Figure 2 As shown: it includes a base 1, and the base 1 is provided with an embedding groove 2, in which a sensitive switch 3 is embedded, and a touch rod 4 is slidably provided on one side of the embedding groove 2, and a side wall of the embedding groove 2 is provided with a through hole for the touch rod 4 to pass through corresponding to the position of the touch rod 4, one end of the touch rod 4 is plugged into the through hole, and the other end is exposed outside the embedding groove 2 and bent to form a contact arm 41, and a contact platform 42 is provided on the touch rod 4 corresponding to the position of the touch button of the sensitive switch 3, and a contact inclined surface for guiding the extension and retraction of the touch rod 4 is provided on the contact platform 42, and a reset spring 43 is in contact between the contact platform 42 and the outer wall of the through hole, and the reset spring 43 is sleeved on the touch rod 4, and a lead-out groove is provided on the side wall of the embedding groove 2, and the contact foot of the sensitive switch 3 is embedded in the lead-out groove, and the contact foot is connected with a lead-out wire 6. The beneficial effect of such arrangement is as follows: such arrangement, by touching the contact arm of the contact rod 4, the contact rod 4 slides in the embedded groove 2, so that the contact slope of the contact platform 42 on the contact rod 4 presses the contact button, thereby connecting the sensitive switch 3; when the contact force is lost, the contact rod 4 is reset under the action of the reset spring 43, so that the contact platform 42 no longer contacts the contact button, thereby releasing the connection of the sensitive switch 3; this is the working principle of the normally open sensitive switch 3; of course, the sensitive switch 3 here may also be normally closed; further, such structure is more compact, has a more reasonable layout, is convenient for inspection and maintenance of the structure, and is more convenient for wiring and lead operation; the contact foot can be easily positioned through the outlet groove, and no additional structural positioning line plate is required, thereby ensuring the use effect of the structure.

[0017] As a further configuration of this embodiment, the lead wire 6 is plugged into the contact pin through a contact sleeve, and the contact sleeve is also covered with a sealing rubber sleeve 61. The beneficial effect of this configuration is that it ensures the stability of the wiring and the connection effect, and at the same time has a simple structure and good reliability.

[0018] As a further configuration of this embodiment, a stopper 5 is further provided on the embedding groove 2, and the stopper 5 is provided with a clamping arm 51 along the circumferential direction, and a clamping groove and a clamping block 21 are provided between the clamping arm 51 and the outer wall of the embedding groove 2, and the clamping groove and the clamping block 21 are clamped to form the positioning of the stopper 5 on the embedding groove 2. The beneficial effect of this configuration is that the micro switch installation position can be closed, the pollution of external dirt can be reduced, and the stability of the structure can be ensured. Further, this structure is stable and convenient to install, convenient for subsequent maintenance, and has a good use effect.

[0019] As a further configuration of this embodiment, a guiding slope is provided on the upper edge of the embedding groove 2 corresponding to the position of the clamping arm 51. The beneficial effect of this configuration is that it makes the installation and positioning faster, ensures the stability of the structural installation, and has a good use effect.

[0020] As a further configuration of this embodiment, a guide groove 11 is provided on the base 1 corresponding to the position of the touch rod 4, and an arc-shaped guide wall is formed at the edge of the guide groove 11. The beneficial effect of this configuration is that it can better guide the sliding action of the touch rod 4, ensure the stable operation of the structure, and have a good use effect.

[0021] The above example is only one preferred specific example of the present invention. The common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.

Claims

1. A touch-type micro switch, comprising a base, wherein the base is provided with an embedding groove, wherein a sensitive switch is embedded in the embedding groove, and characterized in that: A touch rod is also slidably provided on one side of the embedding groove, and an outlet hole for the touch rod to pass through is provided on the side wall of the embedding groove corresponding to the position of the touch rod, one end of the touch rod is plugged into the outlet hole, and the other end is exposed outside the embedding groove and bent to form a contact arm, and a contact platform is provided on the touch rod corresponding to the position of the sensitive switch touch button, and a contact inclined surface for guiding the extension and retraction of the touch rod is provided on the contact platform, a reset spring is in contact with the outer wall of the outlet hole, and the reset spring is sleeved on the touch rod, a lead-out groove is provided on the side wall of the embedding groove, and the contact foot of the sensitive switch is embedded in the lead-out groove, and a lead-out wire is connected to the contact foot.

2. The touch-type micro switch according to claim 1, characterized in that: The lead-out wire is plugged and matched with the contact pin through a contact sleeve, and a sealing rubber sleeve is also sleeved outside the contact sleeve.

3. The touch-type micro switch according to claim 1 or 2, characterized in that: The embedding groove is also covered with a blocking cover, which is circumferentially provided with a clamping arm, a clamping groove and a clamping block are provided between the clamping arm and the outer wall of the embedding groove, and the clamping groove and the clamping block are clamped to position the blocking cover on the embedding groove.

4. The touch-type micro switch according to claim 3, characterized in that: A guiding inclined surface is arranged on the upper edge of the embedding groove corresponding to the position of the clamping arm.

5. The touch-type micro switch according to claim 1, characterized in that: A guide groove is arranged on the base corresponding to the position of the touch rod, and an arc-shaped guide wall is formed at the edge of the guide groove.

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