Pedal switch with replaceable pedal module

Abstract

The utility model discloses a pedal switch with replaceable pedal modules, which comprises a base and a plurality of pedal modules, the base is internally provided with a plurality of male ends of plug-in type quick connection terminals and an electric connector, and a PCB (printed circuit board) of each pedal module is electrically connected with a female end of one plug-in type quick connection terminal. The female ends of the plug-in type quick-connection terminals in the pedal module are connected with the male ends of the plug-in type quick-connection terminals in the base in a one-to-one plug-in mode, the pedal module is connected with the base in a simple quick-connection mode of the plug-in type quick-connection terminals, an operator can detach the pedal module with faults and independently return the pedal module to a factory for maintenance, and the transportation cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of medical apparatus and instruments, and particularly relates to a foot switch with replaceable foot pedal modules. BACKGROUND

[0002] In a surgical procedure, in order to facilitate the operation of the device by the doctor, the medical device, especially the surgical related device, is configured with a foot switch, and the doctor can start the device according to the actual demand to complete a specific operation in the surgical procedure. In order to give the doctor more operation flexibility, the foot switch of the device has developed from an early single foot pedal, double foot pedal to the common multiple foot pedal.

[0003] As a control element for assisting the application of the current medical device, the foot switch may be damaged in the process of long time use. Once a pedal or an internal micro switch is damaged, the operator generally directly sends the whole foot switch back to the manufacturer for maintenance, and the transportation cost is high. UTILITARY MODEL

[0004] In view of the defects in the prior art, the utility model provides a foot switch with replaceable foot pedal modules, which mainly solves the problem that the structure design is unreasonable, the whole foot switch needs to be sent back to the manufacturer for maintenance, and the transportation cost is high.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0006] A foot switch with replaceable foot pedal modules comprises a base and multiple foot pedal modules, the base is internally provided with multiple male terminals of plug-in quick connection terminals and an electric connector, and all the male terminals of plug-in quick connection terminals are electrically connected with the electric connector;

[0007] Each foot pedal module comprises a foot pedal, a foot pedal base, a PCB and a micro switch, the PCB and the micro switch are electrically connected and installed in a cavity surrounded by the foot pedal and the foot pedal base, one end of the foot pedal is rotationally connected with the foot pedal base, the other end of the foot pedal contacts the micro switch in the bottom surface, and the PCB is electrically connected with a female terminal of plug-in quick connection terminal;

[0008] The multiple foot pedal modules are detachably installed on the base, and the female terminals of plug-in quick connection terminals in the foot pedal modules are one-to-one plug-in connected with the male terminals of plug-in quick connection terminals in the base.

[0009] Preferably, the base comprises a shell and a bottom plate, the bottom plate is detachably installed on the bottom surface of the shell, the electric connector and the male terminals of plug-in quick connection terminals are located in a cavity surrounded by the bottom plate and the shell, the top surface of the shell is concave to form multiple positioning grooves, and each positioning groove detachably installs one foot pedal module.

[0010] Preferably, the top surface of the bottom plate is provided with a U-shaped fixing plate, the U-shaped fixing plate is provided with a wire buckle for fixing the wire, the male end of all the plug-in quick connection terminals and the electrical connector are accommodated in the internal space of the U-shaped fixing plate, the positioning grooves in the shell are divided into two rows, and the U-shaped fixing plate is located between the two rows of positioning grooves.

[0011] Preferably, the bottom plate is connected with the shell through screws, the two opposite ends of the bottom plate extend vertically upward to form positioning edges, the two ends of each positioning edge are provided with threaded holes, the positioning edges are inserted into the shell, the shell is provided with screw mounting holes corresponding to each threaded hole on the bottom plate, and the shell and the bottom plate are detachably connected through screws passing through the screw mounting holes and being locked in the threaded holes.

[0012] Preferably, the shell is provided with a hole cover corresponding to each screw mounting hole.

[0013] Preferably, the bottom surface of the positioning groove is provided with a plurality of screw mounting holes, the bottom surface of the pedal base is provided with a plurality of threaded holes, and the shell and the pedal module are connected by means of screws passing through the screw mounting holes in the bottom surface of the positioning groove from bottom to top and being locked in the threaded holes in the bottom surface of the pedal base.

[0014] Preferably, the cavity surrounded by the pedal plate and the pedal base is provided with two compression springs, the micro switch is located between the two compression springs, and one end of the pedal plate is in contact with the two compression springs.

[0015] Preferably, the pedal module further comprises a rubber pad, the rubber pad covers the pedal plate, the surface of the rubber pad is provided with an identification, and at least a part of the edge of the rubber pad is clamped between the pedal base and the shell.

[0016] Preferably, each pedal module comprises two micro switches, and the two micro switches are connected in parallel.

[0017] The utility model has the following beneficial effects:

[0018] The pedal switch of the utility model is provided with a plurality of detachable pedal modules, the pedal modules are connected with the base through the simple quick connection mode of the plug-in quick connection terminal, the operator can detach the pedal module with fault, only the pedal module with fault is sent to the factory for maintenance, the whole pedal switch is avoided from being sent back to the factory for maintenance, and transportation cost is reduced. DRAWINGS

[0019] Figure 1 is the schematic diagram of the pedal switch with replaceable pedal modules according to the utility model embodiment;

[0020] Figure 2 is the schematic diagram of one of the pedal modules being separated from the base;

[0021] Figure 3 is the exploded view of the bottom plate and the shell;

[0022] Figure 4 is the internal structure diagram of the foot switch after the bottom plate is removed;

[0023] Figure 5 is the position diagram of the U-shaped fixing plate;

[0024] Figure 6 is the exploded view of the foot switch;

[0025] Figure 7 is the partial sectional view of the foot switch. DETAILED DESCRIPTION

[0026] The utility model will be further described below in combination with the drawings and embodiments.

[0027] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0028] As shown in Figures 1 to 7 The utility model discloses a foot switch (foot switch for short) with replaceable foot pedal module, which comprises a base 1 and a plurality of foot pedal modules 2, the foot pedal module 2 is detachably mounted on the base 1, a plurality of male terminals of plug-in quick connector and an electric connector 4 are mounted in the base 1, all the male terminals of plug-in quick connector are electrically connected with the electric connector 4, and the electric connector 4 is used for connecting equipment.

[0029] The foot pedal module 2 comprises a rubber pad 21, a foot pedal plate 22, a foot pedal base 23, a PCB board 24 and a micro switch 25, the PCB board 24 and the micro switch 25 are electrically connected and installed in a cavity surrounded by the foot pedal plate 22 and the foot pedal base 23, compression springs 26 are installed on both sides of the micro switch 25, one end of the foot pedal plate 22 is rotationally connected to the foot pedal base 23 through a rotating shaft 28, the other end of the foot pedal plate 22 contacts the micro switch 25 and the compression springs 26 in the bottom surface, and the PCB board 24 is electrically connected with a female terminal 27 of plug-in quick connector.

[0030] The female end 27 of the plug-in quick connector in the foot pedal module 2 is connected with the male end 3 of the plug-in quick connector inside the base 1, that is, the number of the male end 3 of the plug-in quick connector is one-to-one corresponding to the number of the female end 27 of the plug-in quick connector in the foot pedal module 2. Specifically, the female end 27 of the plug-in quick connector is connected with the PCB board 24 through a wire, and the foot pedal base 23 is provided with an opening on the side surface, and the female end 27 of the plug-in quick connector extends out of the opening to be plugged with the male end 3 of the plug-in quick connector in the base 1.

[0031] In a specific structure, the base 1 includes a shell 11 and a bottom plate 12, the bottom plate 12 is detachably mounted on the bottom surface of the shell 11, and a cavity is formed between the bottom plate 12 and the shell 11. The top surface of the shell 11 is concave to form a plurality of positioning grooves 13, and one foot pedal module 2 is detachably mounted in each positioning groove 13. The positioning groove 13 limits the foot pedal module 2 around, and the male end 3 of the plug-in quick connector and the electrical connector are located in the cavity formed by the bottom plate 12 and the shell 11. The shell 11 is provided with an opening opposite the electrical connector 4 for connecting the electrical connector 4 with the equipment.

[0032] Specifically, the bottom surface of the positioning groove 13 is provided with a plurality of screw mounting holes 5, and the bottom surface of the foot pedal base 23 is provided with a plurality of threaded holes 6. The screw 7 is locked into the threaded hole 6 in the bottom surface of the foot pedal base 23 from the bottom to the top through the screw mounting hole 5 in the bottom surface of the positioning groove 13 to realize the detachable connection of the shell 11 and the foot pedal module 2. In other embodiments, the assembly method of the foot pedal module 2 and the shell 11 is not limited to this.

[0033] The foot pedal module 2 of the embodiment is provided with four, and in other embodiments, the number of foot pedal modules 2 is not limited to this. The surfaces of the four rubber pads 21 are provided with different marks to avoid confusion.

[0034] Preferably, the top surface of the bottom plate 12 is provided with a U-shaped fixing plate 15, and the U-shaped fixing plate 15 is provided with a wire buckle 14 for fixing the wire. All the male ends 3 of the plug-in quick connector and the electrical connector 4 are contained in the internal space of the U-shaped fixing plate 15. The positioning grooves 13 in the shell 11 are divided into two rows, and the U-shaped fixing plate 15 is located between the two rows of positioning grooves 13. All the wires in the base are limited in the middle of the U-shaped fixing plate 15 to avoid the wires being messy.

[0035] In a preferred embodiment, the bottom plate 12 is connected to the shell 11 by screws 7, opposite ends of the bottom plate 12 extend vertically upward to form positioning edges 121, each positioning edge 121 is provided with a threaded hole 6 at both ends, the positioning edges 121 are inserted into the shell 11, the shell 11 is provided with screw mounting holes 5 on the side surface corresponding to each threaded hole 6 on the bottom plate 12, and the shell 11 and the bottom plate 12 are detachably connected by the screws 7 passing through the screw mounting holes 5 and being locked in the threaded holes 6. Preferably, the shell 11 is provided with hole covers 8 on the outer surface corresponding to each screw mounting hole 5, the hole covers 8 are used to shield the screws 7 located in the screw mounting holes 5, and have the functions of waterproofing, anti-oxidation and beautification. In other embodiments, the shell 11 and the bottom plate 12 can also be detachably assembled by snap connection or other means.

[0036] Preferably, each foot pedal module 2 includes two micro switches 25, and the two micro switches 25 are connected in parallel, so that the foot pedal module 2 can work normally as long as one micro switch 25 is normal. Compared with installing only one micro switch 25, installing two micro switches 25 reduces the probability of failure of the pedal module.

[0037] The operation mode of the foot pedal switch is that the operator steps on the rubber pad 21, so that the foot pedal 22 moves downward, when the foot pedal 22 presses the contact rod 251 of the micro switch 25, the moving contact of the micro switch 25 contacts the static contact, and the micro switch 25 realizes the conduction state; when the operator removes the foot from the rubber pad 21, the foot pedal 22 moves upward under the action of the compression spring 26, at this time, the contact rod 251 of the micro switch 25 resets, the moving contact of the micro switch 25 is away from the static contact, and the micro switch 25 is in the off state.

[0038] The rubber pad 21 is sleeved on the foot pedal 22, and the rubber pad 21 is provided with a mark on the surface. In the case of fixed equipment, if the function corresponding to the foot pedal module 2 needs to be changed, the mark on the foot pedal module 2 needs to be changed, at this time, the hole cover 8 is removed, the four screws 7 are loosened, the shell 11 and the bottom plate 12 are separated, then the foot pedal module 2 corresponding to the function position is removed, and then the rubber pad 21 is replaced, so that the mark can be conveniently replaced. The rubber pad 21 is also used to prevent dust, particulate matter and water vapor from entering the inside of the foot pedal base 23 from the gap between the foot pedal 22 and the foot pedal base 23.

[0039] The above describes the embodiments only to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, therefore, all other embodiments obtained by the ordinary skilled in the art without creative labor, belong to the protection scope of the present application.

Claims

1. A foot switch with a replaceable foot pedal module, characterized in that, It includes a base and multiple foot pedal modules. The base contains multiple male terminals of plug-in quick-connect terminals and an electrical connector. All male terminals of the plug-in quick-connect terminals are electrically connected to the electrical connector. Each foot pedal module includes a foot pedal, a foot pedal base, a PCB board, and a micro switch. The PCB board and the micro switch are electrically connected and are both installed in the cavity formed by the foot pedal and the foot pedal base. One end of the foot pedal is rotatably connected to the foot pedal base, and the bottom surface of the other end of the foot pedal contacts the micro switch. The PCB board is electrically connected to a female terminal with a plug-in quick-connect terminal. Multiple foot pedal modules can be detachably installed on the base, and the female end of the plug-in quick-connect terminal in the foot pedal module is plugged into the male end of the plug-in quick-connect terminal inside the base.

2. The foot switch with a replaceable foot pedal module according to claim 1, characterized in that, The base includes a housing and a base plate. The base plate is detachably mounted on the bottom surface of the housing. The male ends of the electrical connector and the quick-connect terminal are located in the cavity formed by the base plate and the housing. The top surface of the housing is recessed to form multiple positioning grooves, and a foot pedal module is detachably installed in each positioning groove.

3. The foot switch with a replaceable foot pedal module according to claim 2, characterized in that, A U-shaped fixing plate is installed on the top surface of the base plate. A wire buckle is installed on the U-shaped fixing plate for fixing the wires. All male terminals of the plug-in quick-connect terminals and electrical connectors are accommodated in the internal space of the U-shaped fixing plate. The positioning grooves in the housing are divided into two rows, and the U-shaped fixing plate is located between the two rows of positioning grooves.

4. The foot switch with a replaceable foot pedal module according to claim 2, characterized in that, The base plate is connected to the housing by screws. The two opposite ends of the base plate extend vertically upward to form positioning edges. Each positioning edge has threaded holes at both ends. The positioning edges are inserted into the housing. The side of the housing has screw mounting holes corresponding to each threaded hole on the base plate. The housing and the base plate are detachably connected by screws that pass through the screw mounting holes and are locked in the threaded holes.

5. The foot switch with a replaceable foot pedal module according to claim 4, characterized in that, The outer surface of the housing is equipped with a cap for each screw mounting hole.

6. The foot switch with a replaceable foot pedal module according to claim 2, characterized in that, The bottom surface of the positioning groove has multiple screw mounting holes, and the bottom surface of the foot pedal base has multiple threaded holes. Screws are passed through the screw mounting holes on the bottom surface of the positioning groove from bottom to top and then locked into the threaded holes on the bottom surface of the foot pedal base to achieve the connection between the housing and the foot pedal module.

7. The foot switch with a replaceable foot pedal module according to claim 1, characterized in that, Two compression springs are installed in the cavity formed by the foot pedal and the foot pedal base. A micro switch is located between the two compression springs, and the bottom surface of one end of the foot pedal contacts the two compression springs.

8. The foot switch with a replaceable foot pedal module according to claim 1, characterized in that, The pedal module also includes a rubber pad that covers the pedal and has markings on its surface. At least some edges of the rubber pad are clamped between the pedal base and the housing.

9. The foot switch with a replaceable foot pedal module according to claim 1, characterized in that, Each foot pedal module includes two microswitches connected in parallel.

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