CN217086415U

CN217086415U - Wireless self-generating foot switch for dental electric motor

Info

Publication number: CN217086415U
Application number: CN202220889260.9U
Authority: CN
Inventors: 苗黎辉
Original assignee: Zhengzhou Victory Medical Instruments Co ltd
Current assignee: Zhengzhou Victory Medical Instruments Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-29
Anticipated expiration: 2032-04-18

Abstract

The utility model provides a dental electric motor wireless self-generating foot switch, which comprises a base, a pedal plate, a reset spring, a stepping rack, a gear set, a micro generator, an electric energy conversion module and a wireless signal transmitting module; the pedal is buckled above the base, the tail end of the pedal is hinged with the base, the return spring is installed between the pedal and the base, and the base is provided with a limiting block for limiting the rotation amplitude of the pedal; the pedal rack is installed at the bottom end of the pedal plate and is vertically or obliquely arranged, the pedal rack drives the micro generator through the gear set, an output line of the micro generator is connected with the electric energy conversion module, and the electric energy conversion module supplies power to the wireless signal transmitting module in real time. The wireless self-generating foot switch of the dental electric motor has the advantages of self generation, no need of disassembly or charging, better waterproof performance and no power anxiety.

Description

Wireless self-generating foot switch for dental electric motor

Technical Field

The utility model relates to a dental equipment field, specific theory has related to a dental electric motor is wireless from generating electricity foot switch.

Background

The dental low-voltage motor is a device applied to dentistry, has corresponding national standard, it mainly includes power, electric control part, water supply and air feed module, operating handle, etc. to form, at present, the start-stop control of dental low-voltage motor generally adopts foot switch, but foot switch needs the line connection, may influence little in ordinary dental office, but in the miniaturization, mobile equipment, the problem appears in the portability in the step of taking the line, on the one hand it is placed on the ground, easy dirty, difficult when carrying and host computer put together, but under the influence of line connection, the space can't separate.

Based on the problem, the applicant developed a wireless connection foot switch, which is internally provided with a wireless module, such as bluetooth, a 2.4G communication module, and the like, to realize wireless communication, but the power supply of the foot switch becomes a problem.

Because a large amount of water using scenes exist in the using scenes of dental equipment, the water using scenes are easily scattered on the ground, and the foot switch is easily stained with water, so the waterproof grade of the foot switch is usually high, but the power supply of a battery or a rechargeable battery can cause a series of problems of difficult disassembly or exposed joints, insufficient electricity storage can also exist, the use is influenced, and the application of the wireless foot switch is influenced.

In order to solve the above problems, people are always seeking an ideal technical solution.

Disclosure of Invention

The utility model aims at the not enough of prior art to a provide one kind from electricity generation, need not to dismantle or charge, the waterproof performance is better, the wireless pedal switch that generates electricity from dentistry electric motor who does not have power anxiety.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a dental electric motor wireless self-generating foot switch comprises a base, a pedal, a reset spring, a stepping rack, a gear set, a micro generator, an electric energy conversion module and a wireless signal transmitting module;

the pedal is buckled above the base, the tail end of the pedal is hinged with the base, the return spring is installed between the pedal and the base, and the base is provided with a limiting block for limiting the rotation amplitude of the pedal;

the pedal rack is installed at the bottom end of the pedal plate and is vertically or obliquely arranged, the pedal rack drives the micro generator through the gear set, an output line of the micro generator is connected with the electric energy conversion module, and the electric energy conversion module supplies power to the wireless signal transmitting module in real time.

Basically, the base is the open-top base that has the lateral wall, the running-board is the open-bottom box type structure that has the lateral wall, the stopper install in on the lateral wall of base, the corresponding spacing screens that is provided with on the lateral wall of running-board.

Basically, be connected with between base and the running-board and enclose base and the flexible sealing strip of pedal all around, the upper end of flexible sealing strip and the lateral wall bottom seamless connection of running-board, the bottom of flexible sealing strip and the lateral wall seamless connection of base.

Basically, the gear set comprises a first gear installed on the base and a second gear installed on the input shaft of the micro generator, and the diameter of the first gear is larger than that of the second gear.

Basically, the back of the pedal rack is provided with a reinforcing rib.

Basically, the bottom of base is provided with the bradyseism pad.

Compared with the prior art, the utility model has substantive characteristics and progress, in particular, the utility model is modified based on the prior wireless pedal and is changed into a pedal mode with larger pedal swing amplitude, then a rack with the pedal is added on the pedal plate to match with the gear and the micro generator to carry out self-generation, only one control signal is needed for controlling the opening and closing of the equipment, therefore, the self-generating foot switch has extremely low requirement on the generated energy, the micro generator is driven to start through the foot action to trigger a little weak current, the current is converted by the electric energy conversion module and then supplied to the wireless signal transmitting module to transmit a signal outwards, the power requirement is low, the realizability is strong, the device can be started or closed after receiving the signal, this equipment has alleviated traditional wireless foot switch's power consumption anxiety problem to and the potential safety hazard of intaking that dismouting and charge structure brought.

Furthermore, the gears are matched with one another in a large mode and one small mode, the transmission ratio is improved, more rotation turns can be transmitted through one-time pedal action, and the generating capacity is improved.

Furthermore, the space inside and outside the device is completely isolated by surrounding and sealing the flexible sealing strip, and the excellence of the waterproof performance is ensured.

Drawings

Fig. 1 is one of the schematic structural diagrams of the wireless self-generating foot switch of the middle dental electric motor of the present invention.

Fig. 2 is a second schematic structural view of the wireless self-generating foot switch of the middle dental electric motor of the present invention.

In the figure: 1. a base; 2. a foot pedal; 3. a return spring; 4. a rack is stepped along; 5. a gear set; 6. a micro-generator; 7. an electric energy conversion module; 8. a wireless signal transmitting module; 9. a hinge shaft; 10. a limiting block; 11. a flexible sealing strip.

Detailed Description

The technical solution of the present invention will be described in further detail through the following embodiments.

As shown in fig. 1 and 2, a dental electric motor wireless self-generating foot switch comprises a base 1, a pedal 2, a return spring 3, a stepping rack 4, a gear set 5, a micro generator 6, an electric energy conversion module 7 and a wireless signal transmitting module 8.

The pedal 2 is buckled above the base 1, the tail end of the pedal 2 is hinged to the base through a hinge shaft 9, the return spring 3 is installed between the pedal 2 and the base 1, a limiting block 10 for limiting the rotation amplitude of the pedal 2 is arranged on the base 1, and a cushioning pad 11 is arranged at the bottom end of the base.

Specifically, the base 1 is a base with an open top and a side wall, the pedal 2 is a box-shaped structure with an open bottom and a side wall, the limiting block 10 is installed on the side wall of the base, and the side wall of the pedal is correspondingly provided with a limiting block.

In order to improve the sealing effect, a flexible sealing strip 12 surrounding the base and the periphery of the pedal is connected between the base and the pedal, the upper end of the flexible sealing strip is in seamless connection with the bottom end of the side wall of the pedal, and the bottom end of the flexible sealing strip is in seamless connection with the side wall of the base.

The stepping rack 4 is installed at the bottom end of the pedal plate 2 and is vertically or obliquely arranged, reinforcing ribs are arranged on the back face of the stepping rack to prevent breakage caused by frequent operation, the stepping rack 4 drives the micro generator 6 through the gear set 5, an output line of the micro generator 6 is connected with an electric energy conversion module 7, and the electric energy conversion module 7 supplies power to the wireless signal transmitting module 8 in real time.

The gear set 5 comprises a first gear mounted on the base and a second gear mounted on the input shaft of the micro-generator 6, and the diameter of the first gear is larger than that of the second gear.

The working principle is as follows:

when the dental electric motor is used, when the dental electric motor needs to be started, the foot pedal is stepped on by a foot, the foot pedal is pressed down to drive the rack to move downwards along with the stepping, the driving gear set rotates, the micro generator rotates to generate electricity, the electric energy is sent to the electric energy conversion module through the lead and supplies power for the wireless signal transmitting module after being converted into stable voltage and current, and the wireless signal transmitting module transmits signals to the host after being electrified to finish the starting of the host.

After the foot is loosened, the foot is returned under the action of the return spring.

When the dental electric motor needs to be turned off, the foot pedal is stepped again to finish signal transmission once, and the host is turned off after receiving the second signal to finish the shutdown of the host.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims

1. The utility model provides a wireless self-generating foot switch of dental electric motor which characterized in that: the device comprises a base, a pedal, a return spring, a stepping rack, a gear set, a micro generator, an electric energy conversion module and a wireless signal transmitting module;

2. The dental electric motor wireless self-generating foot switch according to claim 1, characterized in that: the base is a base with an opening at the upper part and a side wall, the pedal is a box-shaped structure with an opening at the bottom end and a side wall, the limiting block is arranged on the side wall of the base, and the side wall of the pedal is correspondingly provided with a limiting clamping position.

3. The dental electric motor wireless self-generating foot switch according to claim 2, characterized in that: the pedal is characterized in that a flexible sealing strip surrounding the base and the periphery of the pedal is connected between the base and the pedal, the upper end of the flexible sealing strip is connected with the bottom end of the side wall of the pedal in a seamless mode, and the bottom end of the flexible sealing strip is connected with the side wall of the base in a seamless mode.

4. The dental electric motor wireless self-generating foot switch according to claim 3, characterized in that: the gear set comprises a first gear installed on the base and a second gear installed on the input shaft of the micro-generator, and the diameter of the first gear is larger than that of the second gear.

5. The dental electric motor wireless self-generating foot switch according to claim 4, characterized in that: reinforcing ribs are arranged on the back of the stepping rack.

6. The wireless self-generating foot switch of dental electric motor according to claim 5, characterized in that: the bottom of base is provided with the bradyseism pad.