Dual microswitch foot switch
By designing a dual micro-switch foot switch and utilizing bolt connection and snap-fit structure, the problem of existing foot switches being unable to achieve multi-channel control is solved, enabling rapid installation and independent control.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI BAOJIA MEDICAL EQUIP CO LTD
- Filing Date
- 2025-06-30
- Publication Date
- 2026-06-23
Smart Images

Figure CN224400241U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mechanical technology, specifically to a foot switch. Background Technology
[0002] Existing foot switches, such as the pedal foot switch disclosed in CN222300480U, are often single microswitches and cannot achieve switching control between two different microswitches. In addition, traditional microswitches are fastened with screws, which is a relatively cumbersome fixing method. Utility Model Content
[0003] This utility model provides a dual micro-switch type foot switch to solve at least one of the above-mentioned technical problems.
[0004] A dual micro-switch type foot switch includes an upper cover pedal and a base arranged vertically. The upper cover pedal and the base are connected on opposite sides by bolts, and the bolts serve as the pivot for rotatably connecting the upper cover pedal and the base.
[0005] A first return spring is sandwiched between the upper cover pedal and the base;
[0006] The rear end of the upper cover pedal is slidably connected to a second actuating element. The second actuating element is located behind the rotating shaft. The top of the second actuating element is higher than the upper cover pedal. A second return spring is sandwiched between the second actuating element and the base.
[0007] The base is fitted with a first micro switch for controlling the opening and closing of the upper cover pedal and a second micro switch for controlling the opening and closing of the second actuator.
[0008] The first micro switch and the second micro switch are arranged one after the other. The actuating spring of the first micro switch is inclined upward from back to front, and the actuating spring of the second micro switch is inclined upward from front to back.
[0009] The first micro switch is located in front of the rotating shaft, the second micro switch is disposed adjacent to the rotating shaft, and the highest end of the actuating spring of the second micro switch is located behind the rotating shaft.
[0010] This invention integrates two-way touch control by adding two microswitches. The microswitches are installed via a snap-fit mechanism, which significantly speeds up installation compared to screw connections.
[0011] More preferably, the base is provided with a first slot, the first slot is used to limit the first micro switch in the front-back and left-right directions, and the opposite side of the first slot is provided with a buckle for vertical limitation and engaging the first micro switch.
[0012] The base is provided with a second slot, which is used to limit the second micro switch in the front-back, left-right and right directions. On the opposite side of the second slot, there is a buckle for vertical limitation and locking the second micro switch.
[0013] More preferably, both the first slot and the second slot include a first sidewall, a second sidewall, and a third sidewall connected in sequence, and the first sidewall, the second sidewall, and the third sidewall are connected to form a U-shaped groove;
[0014] The first sidewall and the third sidewall are provided with limiting notches and upward extensions arranged sequentially from adjacent to the second sidewall to away from the second sidewall, and the extensions are the buckles;
[0015] The sidewalls of the first micro switch and the second micro switch are provided with cylindrical protrusions, and the limiting notch is an arc-shaped notch for embedding the cylindrical protrusions.
[0016] More preferably, the second actuating element includes an upper part and a lower part disposed vertically, wherein the outer diameter of the upper part is larger than the outer diameter of the lower part;
[0017] The lower part is provided with a groove for longitudinally sliding connection of an actuating part;
[0018] The actuating part is threadedly connected to a screw, and the top of the second return spring is clamped between the actuating part and the screw;
[0019] The base is fixed with an inner and outer positioning pin and a limiting sleeve, and the bottom of the second reset spring is sleeved between the positioning pin and the limiting sleeve.
[0020] More preferably, the lower part is cylindrical, and the side wall of the cylindrical part has a strip-shaped notch with an opening at the lower end;
[0021] The actuating part includes a cylinder that is slidably disposed inside the lower part, the cylinder having an extension portion extending out of the lower part, the extension portion being slidably connected to the strip-shaped notch.
[0022] More preferably, the upper cover pedal has a notch for avoiding the triggering part.
[0023] More preferably, the inner wall of the base is provided with a limiting groove for the nut to slide longitudinally into it;
[0024] The base and the upper cover pedal have through holes for inserting the bolts, which are threadedly connected to the nuts.
[0025] More preferably, the upper cover pedal has an inverted U-shaped groove on the opposite side, and the head of the bolt is embedded in the inverted U-shaped groove.
[0026] More preferably, the base is provided with a boss, the boss has an arc-shaped groove, the boss is detachably connected to the pressure plate, and the pressure plate has an arc-shaped groove with the opening facing downward.
[0027] The pressure plate and the boss form a circular hole for clamping the lead wire;
[0028] The base has a U-shaped groove facing the circular hole. The U-shaped groove is used to insert the shrimp tail sleeve vertically. The upper cover pedal has a U-shaped groove with its opening facing downward to avoid the shrimp tail sleeve. The shrimp tail sleeve is fitted around the lead-out line.
[0029] More preferably, the first micro switch is higher than the second micro switch.
[0030] Beneficial effects: This utility model enables independent control of two microswitches. Attached Figure Description
[0031] Figure 1 This is a cross-sectional view of the present invention;
[0032] Figure 2 This is an exploded view of the present invention;
[0033] Figure 3 This is a schematic diagram of the structure of the upper cover pedal of this utility model;
[0034] Figure 4 This is a partial structural schematic diagram of the present invention;
[0035] Figure 5 This is a schematic diagram of one structure of the present utility model.
[0036] In the diagram: 1. Top cover pedal; 2. First return spring; 3. Base; 41. First micro switch; 42. Second micro switch; 5. Second actuating element; 6. Actuating part; 7. Second return spring; 8. Lead wire; 9. Shrimp tail sleeve; 10. Pressure plate; 11. Bolt. Detailed Implementation
[0037] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0038] Please see Figures 1 to 5 As shown, a dual micro-switch type foot switch includes an upper cover pedal 1 and a base 3 arranged vertically. The upper cover pedal 1 and the base 3 are connected on opposite sides by bolts 11, with bolts 11 serving as the pivot for rotatably connecting the upper cover pedal 1 and the base 3. A first return spring 2 is sandwiched between the upper cover pedal 1 and the base 3. A second actuating element 5 is slidably connected to the rear end of the upper cover pedal 1. The second actuating element 5 is located behind the pivot, and its top is higher than that of the upper cover pedal 1. A second return spring 7 is sandwiched between the second actuating element 5 and the base 3. A first microswitch 41 for controlling the opening and closing of the upper cover pedal 1 and a second microswitch 42 for controlling the opening and closing of the second actuating element 5 are snapped onto the seat 3. The first microswitch 41 and the second microswitch 42 are arranged one behind the other. The actuating spring of the first microswitch 41 is inclined upward from back to front, and the actuating spring of the second microswitch 42 is inclined upward from front to back. The first microswitch 41 is located in front of the rotating shaft, and the second microswitch 42 is arranged adjacent to the rotating shaft, with the highest end of the actuating spring of the second microswitch 42 located behind the rotating shaft. This utility model integrates two-way touch control by adding two microswitches. This utility model uses a snap-fit connection to install the microswitches, which improves the speed of installation compared to screw connection.
[0039] The outer diameter of the first reset spring 2 is larger than the outer diameter of the second reset spring 7.
[0040] The base 3 is provided with a first slot, which is used to limit the first micro switch 41 in the front-back, left-right and right directions. On the opposite side of the first slot, there is a buckle for vertical limit and locking the first micro switch 41. The base 3 is provided with a second slot, which is used to limit the second micro switch 42 in the front-back, left-right and right directions. On the opposite side of the second slot, there is a buckle for vertical limit and locking the second micro switch 42.
[0041] Both the first slot and the second slot include a first sidewall, a second sidewall, and a third sidewall connected in sequence. The first sidewall, the second sidewall, and the third sidewall are connected to form a U-shaped groove. The first sidewall and the third sidewall are provided with limiting notches and upward extensions arranged sequentially from the sidewall adjacent to the second sidewall to the sidewall away from the second sidewall. The extensions are snap-fits. The sidewalls of the first micro switch 41 and the second micro switch 42 are provided with cylindrical protrusions. The limiting notches are arc-shaped notches for embedding the cylindrical protrusions.
[0042] The second actuating element 5 includes an upper part and a lower part arranged vertically, with the outer diameter of the upper part being larger than that of the lower part. The lower part has a groove for longitudinally slidingly connecting an actuating part 6. A screw is threadedly connected to the actuating part 6, and the top of the second return spring 7 is clamped between the actuating part 6 and the screw. A positioning pin and a limiting sleeve are fixed on the base 3, with the bottom of the second return spring 7 sleeved between the positioning pin and the limiting sleeve. The lower part is cylindrical, with a strip-shaped notch opening at the lower end on the side wall. The actuating part 6 includes a cylinder slidably disposed inside the lower part, with an extension extending beyond the lower part, which is slidably connected to the strip-shaped notch.
[0043] The upper cover pedal 1 has a notch for avoiding the trigger part 6.
[0044] The inner wall of the base 3 is provided with a limiting groove for the nut to slide longitudinally into it; the base 3 and the upper cover pedal 1 are provided with through holes for inserting bolts 11, and the bolts 11 are threadedly connected to the nuts.
[0045] The upper cover pedal 1 has an inverted U-shaped groove on the opposite side, and the head of the bolt 11 is embedded in the inverted U-shaped groove. The top of the upper cover pedal 1 has an anti-slip protrusion.
[0046] The base 3 is provided with a boss, and an arc-shaped groove is provided on the boss. The boss is detachably connected to the pressure plate 10. The pressure plate 10 is provided with an arc-shaped groove with the opening facing downward. The pressure plate 10 and the boss form a round hole for clamping the lead wire 8. The base 3 is provided with a U-shaped groove facing the round hole. The U-shaped groove is used for longitudinally inserting the shrimp tail sleeve 9. The upper cover pedal 1 is provided with a U-shaped groove with the opening facing downward to avoid the shrimp tail sleeve 9. The shrimp tail sleeve 9 is fitted around the lead wire 8.
[0047] The first micro switch 41 is higher than the second micro switch 42.
[0048] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0049] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A dual micro-switch type foot switch, comprising an upper cover pedal and a base arranged vertically, characterized in that, The upper cover pedal is connected to the opposite side of the base by bolts, and the bolts serve as the pivot for rotatably connecting the upper cover pedal and the base. A first return spring is sandwiched between the upper cover pedal and the base; The rear end of the upper cover pedal is slidably connected to a second actuating element. The second actuating element is located behind the rotating shaft. The top of the second actuating element is higher than the upper cover pedal. A second return spring is sandwiched between the second actuating element and the base. The base is fitted with a first micro switch for controlling the opening and closing of the upper cover pedal and a second micro switch for controlling the opening and closing of the second actuator. The first micro switch and the second micro switch are arranged one after the other. The actuating spring of the first micro switch is inclined upward from back to front, and the actuating spring of the second micro switch is inclined upward from front to back. The first micro switch is located in front of the rotating shaft, the second micro switch is disposed adjacent to the rotating shaft, and the highest end of the actuating spring of the second micro switch is located behind the rotating shaft.
2. A dual microswitch footswitch according to claim 1, wherein: The base is provided with a first slot, which is used to limit the first micro switch in the front-back, left-right and right directions. On the opposite side of the first slot, there is a buckle for vertical limitation and locking the first micro switch. The base is provided with a second slot, which is used to limit the second micro switch in the front-back, left-right and right directions. On the opposite side of the second slot, there is a buckle for vertical limitation and locking the second micro switch.
3. A dual microswitch footswitch according to claim 2, wherein: Both the first slot and the second slot include a first sidewall, a second sidewall, and a third sidewall connected in sequence, and the first sidewall, the second sidewall, and the third sidewall are connected to form a U-shaped groove; The first sidewall and the third sidewall are provided with limiting notches and upward extensions arranged sequentially from adjacent to the second sidewall to away from the second sidewall, and the extensions are buckles; The sidewalls of the first micro switch and the second micro switch are provided with cylindrical protrusions, and the limiting notch is an arc-shaped notch for embedding the cylindrical protrusions.
4. The dual microswitch footswitch of claim 1, wherein: The second actuating element includes an upper part and a lower part arranged vertically, wherein the outer diameter of the upper part is larger than the outer diameter of the lower part; The lower part is provided with a groove for longitudinally sliding connection of an actuating part; The actuating part is threadedly connected to a screw, and the top of the second return spring is clamped between the actuating part and the screw; The base is fixed with an inner and outer positioning pin and a limiting sleeve, and the bottom of the second reset spring is sleeved between the positioning pin and the limiting sleeve.
5. A dual microswitch footswitch according to claim 4, wherein: The lower part is cylindrical, and the side wall of the cylindrical part has a strip-shaped notch with an opening at the lower end; The actuating part includes a cylinder that is slidably disposed inside the lower part, the cylinder having an extension portion extending out of the lower part, the extension portion being slidably connected to the strip-shaped notch.
6. A dual microswitch footswitch according to claim 5, wherein: The upper cover pedal has a notch for avoiding the triggering part.
7. The dual microswitch footswitch of claim 1, wherein: The inner wall of the base is provided with a limiting groove for the nut to slide longitudinally into it; The base and the upper cover pedal have through holes for inserting the bolts, and the bolts are threadedly connected to the nuts.
8. A dual microswitch footswitch according to claim 7, wherein: The upper cover pedal has an inverted U-shaped groove on the opposite side, and the head of the bolt is embedded in the inverted U-shaped groove.
9. The dual microswitch footswitch of claim 1, wherein: The base is provided with a boss, and an arc-shaped groove is provided on the boss. The boss is detachably connected to the pressure plate, and an arc-shaped groove with an opening facing downward is provided on the pressure plate. The pressure plate and the boss form a circular hole for clamping the lead wire; The base has a U-shaped groove facing the circular hole. The U-shaped groove is used to insert the shrimp tail sleeve vertically. The upper cover pedal has a U-shaped groove with its opening facing downward to avoid the shrimp tail sleeve. The shrimp tail sleeve is fitted around the lead-out line.
10. A dual micro-switch type foot switch according to claim 1, characterized in that: The first micro switch is higher than the second micro switch.