CN217306360U

CN217306360U - Micro switch

Info

Publication number: CN217306360U
Application number: CN202220364143.0U
Authority: CN
Inventors: 盛黎明; 郭琦; 周顺伟
Original assignee: Wenzhou Gangyuan Electronics Co ltd
Current assignee: Wenzhou Gangyuan Electronics Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-08-26
Anticipated expiration: 2032-02-22

Abstract

The application relates to a microswitch, which relates to the technical field of switches and comprises a pressure bar and a switch main body, wherein the switch main body is provided with a mounting groove, the mounting groove is used for inserting the pressure bar, a containing groove is formed in the pressure bar, a locking block is slidably connected in the containing groove, a spring is arranged in the containing groove and used for driving the locking block to stretch out of the containing groove, the inner wall of the mounting groove is provided with a locking groove, and the locking groove is used for inserting the locking block; the switch main part runs through and has seted up the guiding hole, the actuating lever is worn to be equipped with in the guiding hole slides, the one end that the actuating lever is located the mounting groove is fixed with the drive block, the drive block can promote the motion of locking block and make in the locking block indentation holding tank. Through setting up the detachable depression bar, when the depression bar appears damaging, the user can change the depression bar alone to reduce the wasting of resources.

Description

Micro-switch

Technical Field

The application relates to the field of switches, in particular to a microswitch.

Background

The microswitch is a switch for controlling the connection or disconnection of a circuit by using a small force, and is widely used in electronic products such as a mouse, communication equipment, a testing instrument and the like. Microswitches, although small, tend to be irreplaceable in various fields.

The micro switch in the related art mainly comprises an elastic pressure lever and a switch main body, wherein one end of the pressure lever is fixedly connected with the switch main body. The switch main body is provided with a button, and when the pressure rod moves downwards under pressure, the button is pressed by the pressure rod, so that the circuit is communicated. When the depression bar is not stressed, the depression bar kick-backs for the button kick-backs, thereby makes the circuit disconnection.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: because micro-gap switch often is applied to the occasion that needs constantly switch circuit, the depression bar receives the high pressure number of times and will appear damaging to need to change whole micro-gap switch. However, in most cases, the switch main body can still work normally, and if the whole microswitch is replaced, resource waste is caused.

SUMMERY OF THE UTILITY MODEL

In order to reduce resource waste, the application provides a micro switch.

The micro switch provided by the application adopts the following technical scheme:

a microswitch comprises a pressure lever and a switch main body, wherein the switch main body is provided with an installation groove, the installation groove is used for inserting the pressure lever, the pressure lever is provided with an accommodating groove, a locking block is connected in the accommodating groove in a sliding manner, a spring is arranged in the accommodating groove and used for driving the locking block to extend out of the accommodating groove, the inner wall of the installation groove is provided with a locking groove, and the locking groove is used for inserting the locking block; the switch main part runs through and has seted up the guiding hole, the actuating lever is worn to be equipped with in the guiding hole slides, the one end that the actuating lever is located the mounting groove is fixed with the drive block, the drive block can promote the motion of locking block and make in the locking block indentation holding tank.

Through adopting above-mentioned technical scheme, can carry out the depression bar of dismouting through the setting, in case the depression bar appears damaging, the user can be alone change the depression bar, need not to change whole micro-gap switch, can reduce the wasting of resources, can reduce cost of maintenance and use cost again.

Optionally, a limiting member for limiting the driving block to move towards the locking block is disposed in the locking groove.

Through adopting above-mentioned technical scheme, through utilizing the locating part to restrict the drive block and moving towards the locking block, reduce the user and carelessly promote the actuating lever and cause the risk of depression bar unblock to improve micro-gap switch's stability in use.

Optionally, the limiting part includes a limiting block fixed on the inner wall of the locking groove, the limiting block is located between the driving block and the locking block, the limiting block can be abutted against the driving block, the driving rod can rotate in the guide hole, and a notch for the limiting block to pass through is formed in the driving block.

Through adopting above-mentioned technical scheme, block the drive block through utilizing the stopper, reduce the risk that the drive block moved towards the locking piece because of the unexpected condition to reduce the risk of the unexpected unblock of depression bar. Meanwhile, when a user rotates the driving rod to drive the driving block to rotate, and the notch is aligned with the limiting block, the driving block can penetrate through the notch and push the locking block to move, so that the pressing rod can be unlocked. Through setting up simple structure, simple operation's locating part, realize the quick spacing and the unblock of drive block to work efficiency when improving the depression bar and locking and unblock, and then the work efficiency when improving the depression bar and changing.

Optionally, a coil spring is arranged in the locking groove and used for controlling the driving rod to rotate and enabling the notch and the limiting block to be staggered.

Through adopting above-mentioned technical scheme, when micro-gap switch used, the stopper can keep the dislocation state with the breach, further reduces the user and miss the risk that touches the actuating lever and cause the depression bar unblock to improve micro-gap switch's stability in use.

Optionally, a knob is fixed to an end of the driving rod.

Through adopting above-mentioned technical scheme, through setting up the knob, the person of facilitating the use improves the operation convenience to the fast turn-round of actuating lever and the operation of pressing fast.

Optionally, an indicating piece is arranged between the knob and the switch main body, and the indicating piece is used for limiting the rotation of the knob and aligning the notch with the limiting block.

Through adopting above-mentioned technical scheme, through setting up the indicator, when the user rotated the knob and made breach and stopper align, indicator restriction knob rotated. This design can have good suggestion effect to the user to realize the quick definite of depression bar unblock position, can improve the operation convenience, can improve the work efficiency when carrying out the unblock to the depression bar again.

Optionally, the indicating part includes locating piece and instruction piece, the locating piece is fixed in the tip of knob, the instruction piece is fixed in on the switch main part, works as when locating piece and instruction piece butt, breach and stopper aim at.

Through adopting above-mentioned technical scheme, through setting up simple structure, convenient to use's indicator, realize the quick alignment of breach and stopper to the person of facilitating the use dismantles the depression bar fast, improves the operation convenience.

Optionally, an arc-shaped section is arranged on the pressure lever, and the arc-shaped section is matched with an external cam.

Through adopting above-mentioned technical scheme, if depression bar and outside cam complex one section be the plane, and the fitting surface of outside cam also has the plane, when depression bar and cam contact, the depression bar produced the shake easily for the switch contact is bad. Through setting up the segmental arc, the guide effect when improving depression bar and outside cam cooperation improves the motion ride comfort of depression bar, reduces micro-gap switch and appears contact failure's risk.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the pressure lever which can be disassembled and assembled, once the pressure lever is damaged, a user can independently replace the pressure lever without replacing the whole microswitch, so that the resource waste can be reduced, and the maintenance cost and the use cost can be reduced;

through the arrangement of the indicating piece, when a user rotates the knob to align the notch with the limiting block, the indicating piece limits the knob to rotate, and the design can have a good prompting effect on the user, so that the unlocking position of the pressure rod can be quickly determined, the operation convenience can be improved, and the working efficiency of unlocking the pressure rod can be improved;

through setting up the segmental arc, the ride comfort when improving depression bar and outside cam cooperation reduces micro-gap switch contact failure's risk.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partial sectional view of the switch body in the embodiment of the present application.

Fig. 3 is an enlarged schematic view of region a in fig. 2.

Description of reference numerals: 1. a pressure lever; 2. a switch main body; 3. mounting grooves; 4. accommodating grooves; 5. a locking block; 6. a spring; 7. a locking groove; 8. a guide hole; 9. a drive rod; 10. a drive block; 11. a limiting member; 111. a limiting block; 12. a notch; 13. a knob; 14. a coil spring; 15. an indicator; 151. positioning blocks; 152. an indication block; 16. an arc segment.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a microswitch. Referring to fig. 1 and 2, the micro switch includes a switch main body 2, a mounting groove 3 is provided on the switch main body 2, and a pressing rod 1 matched with an external cam is inserted into the mounting groove 3. One section of depression bar 1 and outside cam complex is segmental arc 16, and the setting up of segmental arc 16 makes outside cam can cooperate more smoothly with depression bar 1, reduces the risk that contact failure appears in the switch.

Referring to fig. 2 and 3, holding tank 4 has been seted up to the one end that depression bar 1 inserted mounting groove 3, slides in holding tank 4 and wears to be equipped with locking block 5, and the inner wall of mounting groove 3 is seted up and is supplied locking block 5 male locking groove 7. Be provided with spring 6 in the holding tank 4, the one end of spring 6 and the tank bottom fixed connection of holding tank 4, and the other end and locking block 5 fixed connection to spring 6 is arranged in driving locking block 5 and stretches out from holding tank 4.

Referring to fig. 2 and 3, a guide hole 8 is perforated in the switch body, and the guide hole 8 communicates with the locking groove 7. A driving rod 9 is slidably arranged in the guide hole 8 in a penetrating manner, and the driving rod 9 can rotate in the guide hole 8. One end of the driving rod 9 positioned in the locking groove 7 is fixedly connected with a driving block 10, and the other end is fixedly connected with a knob 13.

When the user pushes the knob 13 to move the driving rod 9 toward the locking block 5, the driving block 10 pushes the locking block 5 to move, and the locking block 5 retracts into the locking groove 7. At this time, the user can pull out the pressure lever 1 from the mounting groove 3, thereby realizing the disassembly of the pressure lever 1.

Referring to fig. 2 and 3, a limiting member 11 for blocking the driving block 10 from moving toward the locking block 5 is disposed in the locking groove 7, the limiting member 11 is a limiting block 111 integrally formed on an inner wall of the locking groove 7, and the limiting block 111 can abut against the driving block 10. The driving block 10 is provided with a notch 12, and when the notch 12 is aligned with the limiting block 111, the driving block 10 can pass through the notch 12 and push the locking block 5 to move.

Referring to fig. 2 and 3, a coil spring 14 for controlling the rotation of the driving rod 9 is arranged in the locking groove 7, and the coil spring 14 can enable the notch 12 and the limit block 111 to be in a dislocation state, so that the risk that the notch 12 and the limit block 111 are aligned with each other when the microswitch is used is reduced, and the risk that the pressing rod 1 is unlocked accidentally is reduced.

Referring to fig. 2 and 3, an indicator 15 for restricting rotation of the knob 13 is provided between the knob 13 and the switch main body 2, the indicator 15 includes a positioning block 151 integrally formed on the knob 13, and an indicator block 152 capable of abutting against the positioning block 151 is integrally formed on the switch main body 2. When locating piece 151 and instruction piece 152 butt, breach 12 just aims at stopper 111 to realize the suggestion ability to the user, thereby convenience of customers carries out follow-up operation.

The implementation principle of the microswitch in the embodiment of the application is as follows: when the user wants to detach the pressing rod 1 from the switch main body 2, the user can first rotate the knob 13 to make the positioning block 151 abut against the indication block 152. At this time, the notch 12 is aligned with the stopper 111, and then the user pushes the knob 13 to move the driving rod 9 toward the locking block 5. Then, the driving block 10 pushes the locking block 5 to move and make the locking block 5 retract into the accommodating groove 4, and then the user can pull the pressure bar 1 out of the mounting groove 3, thereby realizing the disassembly of the pressure bar 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A micro-gap switch, includes depression bar (1) and switch main part (2), its characterized in that: the switch main body (2) is provided with a mounting groove (3), the mounting groove (3) is used for inserting the pressure rod (1), the pressure rod (1) is provided with a containing groove (4), a locking block (5) is connected in the containing groove (4) in a sliding mode, a spring (6) is arranged in the containing groove (4), the spring (6) is used for driving the locking block (5) to stretch out of the containing groove (4), the inner wall of the mounting groove (3) is provided with a locking groove (7), and the locking groove (7) is used for inserting the locking block (5);

switch main part (2) run through and have seted up guiding hole (8), it wears to be equipped with actuating lever (9) to slide in guiding hole (8), the one end that actuating lever (9) are located mounting groove (3) is fixed with drive block (10), drive block (10) can promote locking block (5) motion and make locking block (5) indentation holding tank (4) in.

2. A microswitch as in claim 1 wherein: and a limiting piece (11) used for limiting the driving block (10) to move towards the locking block (5) is arranged in the locking groove (7).

3. A microswitch according to claim 2 wherein: locating part (11) is including being fixed in stopper (111) of locking groove (7) inner wall, stopper (111) are located between drive block (10) and locking block (5), stopper (111) can with drive block (10) butt, actuating lever (9) can be at guiding hole (8) internal rotation, breach (12) that supply stopper (111) to pass are seted up on drive block (10).

4. A microswitch according to claim 3 wherein: and a coil spring (14) is arranged in the locking groove (7), and the coil spring (14) is used for controlling the driving rod (9) to rotate and enabling the notch (12) and the limiting block (111) to be staggered.

5. A microswitch as in claim 1 wherein: a knob (13) is fixed at the end part of the driving rod (9).

6. A microswitch according to claim 5 wherein: an indicating piece (15) is arranged between the knob (13) and the switch main body (2), and the indicating piece (15) is used for limiting the rotation of the knob (13) and aligning the notch (12) with the limiting block (111).

7. A microswitch according to claim 6, wherein: the indicating piece (15) comprises a positioning block (151) and an indicating block (152), the positioning block (151) is fixed to the end portion of the knob (13), the indicating block (152) is fixed to the switch main body (2), and when the positioning block (151) is abutted to the indicating block (152), the notch (12) is aligned to the limiting block (111).

8. A microswitch as in claim 1 wherein: an arc-shaped section (16) is arranged on the pressure lever (1), and the arc-shaped section (16) is matched with an external cam.