CN211130963U

CN211130963U - Gear-setting adjustable power supply handle

Info

Publication number: CN211130963U
Application number: CN201921337616.2U
Authority: CN
Inventors: 蔡国云; 蔡冬云; 黄章伟; 蔡丽华; 郭天光; 张淑珍
Original assignee: Dongguan Hongzhuo Medical Photoelectric Technology Co ltd
Current assignee: Dongguan Hongzhuo Medical Photoelectric Technology Co ltd
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-07-31
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses a decide gear regulation formula power handle, including the handle shell, coupling assembling, butt joint piece, electrically conductive nail, the switch plectrum, knob and circuit board, the switch axle that can rotate between a plurality of gears has on the circuit board, the inside battery compartment that has of handle shell, coupling assembling installs in the tip of handle shell, electrically conductive nail is established on coupling assembling, butt joint piece is connected on coupling assembling and exposes electrically conductive nail, the circuit board is located in handle shell or coupling assembling, switch plectrum pot head is on the switch axle, the other end exposes from coupling assembling, the knob is established on coupling assembling and is connected in order to drive the swing of switch plectrum with the other end of switch plectrum with the cover rotation ground. This power handle accessible rotation knob toggle switch plectrum and drive the switch shaft and rotate in the use for the output voltage of circuit board changes, and then makes the luminance of the lighting apparatus of connection on the butt joint piece can adjust between a plurality of different gears, can satisfy the illumination demand under different use scenes.

Description

Gear-setting adjustable power supply handle

Technical Field

The utility model relates to a medical equipment technical field especially relates to a decide shelves regulation formula power handle.

Background

Medical lighting devices such as laryngoscopes and endoscopes are frequently used in the five-sense-organ department and the surgical operating room. These devices are handheld devices that allow medical personnel to illuminate and view the patient's area of illness.

In the past, these lighting devices need to be connected to a power supply on the wall through a wire to supply power, but the power supply mode has a great influence on the convenience of the device, the movement of the device needs to be limited by the wire, the wire arranged in a department also has the problem of hindering the movement of people, and the wire is also a certain safety hazard.

In order to remove the limitation of the wire on the equipment, a power supply handle with a built-in power supply is provided to replace the traditional fixed power supply, the lighting equipment is only required to be connected to the power supply handle in an abutting mode to supply power to the equipment through the handle, the wire does not need to be connected, and the convenience in use of the lighting equipment is really realized.

However, the current power supply handle can only supply a fixed voltage value, so that the illumination brightness of the light source is not changed, but in actual use, the current light source handle may need illumination conditions with different brightness according to different scenes, and cannot meet the illumination requirements.

Therefore, it is necessary to provide a power handle capable of adjusting the illumination intensity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power handle of adjustable illumination luminance.

In order to achieve the purpose, the utility model provides a gear-setting adjustable power handle, which comprises a handle shell, a connecting component, a butt joint component, a conductive nail, a switch plectrum, a knob and a circuit board, the circuit board is provided with a switch shaft which can rotate among a plurality of gears, the handle shell is of a hollow structure with an opening end and is internally provided with a battery chamber, the connecting component is arranged at the end part of the handle shell, the conductive nail is arranged on the connecting component, the butt joint piece is connected to the connecting component and is of a hollow structure so as to expose the conductive nail, the circuit board is arranged in the handle shell or the connecting component, one end of the switch shifting piece is circumferentially positioned and sleeved on the switch shaft, the other end of the switch shifting piece is exposed out of the connecting component, the knob is rotationally sleeved on the connecting assembly and is connected with the other end of the switch shifting piece to drive the switch shifting piece to swing.

Compared with the prior art, because the utility model discloses decide gear regulation formula power handle has set up the circuit board that has the switch axle to with a pot head of switch plectrum on the switch axle, locate the knob on coupling assembling with the cover and be connected with the switch plectrum, consequently the rotatory knob toggle switch plectrum of accessible drives the switch axle and rotates in the use, make the output voltage of circuit board change, and then make the luminance of connecting the lighting apparatus on the butt joint piece can adjust between a plurality of different gears, can satisfy the lighting demands under different use scenes, the suitability is good.

Preferably, the inner wall of the knob is provided with a notch, and one end of the switch shifting piece is clamped in the notch.

Preferably, coupling assembling's upper end and lower extreme are equipped with the screw thread respectively, coupling assembling pass through the screw thread install in the opening part of handle shell tip, butt joint spare passes through threaded connection on the coupling assembling.

Specifically, coupling assembling includes electrically conductive nail retainer plate, first spring holder, first spring and sets up the screwed adapter sleeve from top to bottom, electrically conductive nail retainer plate is fixed respectively with first spring holder in the adapter sleeve, electrically conductive nail retainer plate is located on the first spring holder, electrically conductive nail passes with sliding from top to bottom electrically conductive nail retainer plate, first spring elasticity supports the top between electrically conductive nail retainer plate and the first spring holder.

More specifically, be equipped with a battery clamp that holds the battery in the battery compartment, the circuit board is located the one end of battery clamp, the other end of battery clamp is equipped with a charging circuit board, charging circuit board has charging socket, the battery clamp is including half left shell and the half right shell that relative lock is fixed.

Specifically, coupling assembling includes coupling assembling and lower coupling assembling, coupling assembling pass through threaded connection down in the handle shell, the circuit board is located in the coupling assembling down, go up coupling assembling pass through threaded connection in on the coupling assembling down, the switch plectrum is located in going up coupling assembling, the butt joint passes through threaded connection last coupling assembling.

More specifically, coupling assembling includes adapter sleeve, circuit board retainer plate and plectrum seat locking collar down, the lower extreme of adapter sleeve is equipped with the screw down, the circuit board retainer plate is fixed in the adapter sleeve down, the circuit board is located in the circuit board retainer plate, plectrum seat locking collar locates on the circuit board and be equipped with the external screw thread.

More specifically, go up coupling assembling including last adapter sleeve, second spring holder, second spring and electrically conductive nail fixing base, the upper end and the lower extreme of going up the adapter sleeve all are equipped with the internal thread, electrically conductive nail fixing base is fixed with the second spring holder in going up the adapter sleeve, electrically conductive nail is located with sliding from top to bottom in the electrically conductive nail fixing base, second spring elasticity support in between electrically conductive nail and the second spring holder, the confession has still been seted up to the lateral wall of going up the adapter sleeve the arc wall that the switch plectrum wore out.

Further, the lower extreme of butt joint piece be equipped with the external screw thread in order to with go up the adapter sleeve and connect, the butt joint piece upper end is equipped with two supporting parts, a unsteady snap ring has been cup jointed on the butt joint piece, unsteady snap ring with go up and still be equipped with a floating spring between the adapter sleeve.

Drawings

Fig. 1 is a perspective view of a fixed-gear adjustable power handle according to a first embodiment of the present invention.

Fig. 2 is an exploded view of the fixed-range power handle of fig. 1.

Fig. 3 is a schematic view of a battery clip in the handle housing.

Fig. 4 is an exploded view of the connection assembly.

Fig. 5 is a perspective view of the knob.

Fig. 6 is a perspective view of a fixed-gear adjustable power handle according to a second embodiment of the present invention.

Fig. 7 is an exploded view of the fixed-range power handle of fig. 6.

FIG. 8 is a schematic view of the handle housing and battery in a second embodiment.

Fig. 9 is an exploded view of the lower connecting assembly in the second embodiment.

Fig. 10 is an exploded view of the upper connecting member in the second embodiment.

Fig. 11 is a perspective view of a knob in the second embodiment.

Fig. 12 is a schematic view of the abutment member and the floating collar and floating spring of the second embodiment.

Fig. 13 is a cross-sectional view of the upper portion of the fixed-speed adjustable power handle of the second embodiment.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1 to 5, the present embodiment provides a fixed-gear adjustable power handle, which includes a handle housing 1, a connecting assembly 2, a pair-connecting member 31, a conductive nail 4, a switch plectrum 5, a knob 61 and a circuit board 7, wherein the circuit board 7 is provided with a switch shaft 71 capable of rotating between a plurality of gears. Handle shell 1 has battery compartment 10 for tip open-ended hollow structure and inside, coupling assembling 2 installs in handle shell 1's tip, electrically conductive nail 4 is established on coupling assembling 2, connecting part 31 is connected on coupling assembling 2 and connecting part 31 is hollow structure in order to expose electrically conductive nail 4, circuit board 7 is located in handle shell 1, the cover of one end circumference location of switch plectrum 5 is on switch shaft 71, the other end exposes from coupling assembling 2, knob 61 is established on coupling assembling 2 and is connected in order to drive the swing of switch plectrum 5 with the other end of switch plectrum 5 with the ground cover of rotation.

Both end portions of the handle case 1 have openings, and a battery holder for accommodating a battery a is provided in the battery compartment 10 therein, and the battery holder is loaded into the battery compartment 10 from the lower end opening of the handle case 1. The battery clamp comprises a left half shell 11 and a right half shell 12 which are relatively fixed in a buckling way. The circuit board 7 is fixed to the upper end of the battery holder, and the lower end of the battery holder is provided with a charging circuit board 14, and the charging circuit board 14 has a charging jack 15 that can be exposed from the handle case 1. The battery a in the battery clamp is a rechargeable battery, so that the built-in battery a can be charged through the charging socket 15, and the trouble of frequently replacing the battery is avoided. The charging circuit board 7 may further be provided with an output socket 16 for supplying power to other small-sized electric devices.

As shown in fig. 2, the circuit board 7 is housed in the handle case 1, and the switch shaft 71 thereon can be exposed. The opening part of handle shell 1 upper end is equipped with the internal thread, and coupling assembling 2's lower extreme is equipped with the external screw thread and installs on handle shell 1 through threaded connection, and coupling assembling 2's upper end also is equipped with the external screw thread, and interfacing part 31 also installs on coupling assembling 2 through threaded connection's form.

Referring to fig. 4, in particular, the connecting assembly 2 includes a connecting sleeve 21, a conductive nail fixing ring 22, a first spring seat 23, and a first spring 24. The connecting sleeve 21 is a main element for connecting the handle housing 1 and the abutting member 31, and the threads on the connecting member 2 are disposed on the upper and lower ends of the connecting sleeve 21. The peripheral wall of the connecting sleeve 21 is provided with an arc-shaped groove 211, and the switch shifting piece 5 penetrates out of the connecting sleeve 21 from the arc-shaped groove 211. The conductive nail fixing ring 22 and the first spring seat 23 are respectively fixed in the connecting sleeve 21, the conductive nail fixing ring 22 is located on the first spring seat 23, the conductive nail 4 penetrates through the conductive nail fixing ring 22 in a vertical sliding mode, and the first spring 24 elastically abuts against the space between the conductive nail fixing ring 22 and the first spring seat 23. The conductive nail 4 is used for contacting with the electrode of the lighting device and forming current conduction after the lighting device is installed on the butt joint, and the elastic structure is adopted for installing the conductive nail 4, so that buffering can be formed when the lighting device is installed, and the good protection of elements is facilitated. As for how the battery current is guided to the conductive nail 4, a structure in which a conductive member is provided inside for contact conduction may be adopted, and it may be realized by a connection wire at the time of assembly.

The switch shaft 71 on the circuit board 7 is a non-circular shaft, for example, a cylinder with a cut-off part, and one end of the switch plectrum 5 is provided with a hole with a corresponding shape, the end of the switch plectrum 5 is sleeved on the switch shaft 71, and when the switch plectrum 5 rotates, the switch shaft 71 can be driven to rotate. Referring to fig. 5, a notch 610 is formed in the inner wall of the knob 61, after the knob 61 is sleeved on the connecting sleeve 21, the other end of the switch pulling piece 5 is clamped in the notch 610, and the switch pulling piece 5 can be driven to rotate by rotating the knob 61.

The docking member 31 is a hollow ring structure for docking with the lighting device, and may be configured in different structures according to the specific structure of different lighting devices.

Fig. 6 to 13 show a second embodiment of the present invention, in which the fixed-gear adjustable power handle also includes a handle housing 8, a connecting assembly 9, a butt-joint component 32, a conductive nail 4, a switch dial 5, a knob 62 and a circuit board 7, wherein the shapes of the handle housing 8 and the knob 62 are slightly different from the previous embodiment, the structure of the connecting assembly 9 is completely different from the previous embodiment, and the structures of the conductive nail 4, the switch dial 5 and the circuit board 7 are the same as the previous embodiment.

The handle shell 8 is also provided with a battery compartment, two batteries b are directly accommodated in the battery compartment, the bottom port of the handle shell 8 is sealed and fixed through an end cover 81, and the batteries b can be replaced after the end cover 81 is removed.

The connecting assembly 9 in this embodiment includes an upper connecting assembly 91 and a lower connecting assembly 92. The lower connecting assembly 92 is connected to the handle housing 8 through threads, the circuit board 7 is arranged in the lower connecting assembly 92, the upper connecting assembly 91 is connected to the lower connecting assembly 92 through threads, the switch shifting piece 5 is arranged in the upper connecting assembly 91, and the butt piece 32 is connected to the upper connecting assembly 91 through threads.

Referring to fig. 9, the lower connection assembly 92 includes a lower connection sleeve 93 with an opening in the middle, a circuit board fixing ring 94 and a blade holder locking ring 95, the lower end of the lower connection sleeve 93 is provided with a thread, the circuit board fixing ring 94 is fixed in the lower connection sleeve 93, the circuit board 7 is arranged in the circuit board fixing ring 94, and the blade holder locking ring 95 is arranged on the circuit board 7 and is provided with an external thread. The lower connecting assembly 92 also includes an inner conductive pin 96, which inner conductive pin 96 is capable of contacting the positive pole of the battery b to conduct current to the circuit board 7. With reference to fig. 10, the upper connection assembly 91 includes an upper connection sleeve 97, a second spring seat, a second spring 99 and a conductive nail fixing seat 90, wherein the upper end and the lower end of the upper connection sleeve 97 are both provided with internal threads, and the side wall of the upper connection sleeve is further provided with an arc-shaped slot 970 for the switch pulling piece 5 to penetrate out. The conductive nail fixing seat 90 and the second spring seat are fixed in the upper connecting sleeve 97, the conductive nail fixing seat 90 is located above the second spring seat, the conductive nail 4 is arranged in the conductive nail fixing seat 90 in a vertically sliding manner, and the second spring 99 elastically abuts between the conductive nail 4 and the second spring seat. When the upper connecting unit 91 is mounted on the lower connecting unit 92, the upper connecting sleeve 97 is inserted into the lower connecting sleeve 93, so that the upper connecting sleeve 97 can be sleeved on the blade holder locking ring 95 and locked by the screw connection. After installation, one end of the switch pulling sheet 5 positioned in the upper connecting sleeve 97 is sleeved on the switch shaft 71 of the circuit board 7.

As shown in fig. 11, in the present embodiment, besides the notch 620 matched with the switch paddle 5, the knob 62 is further provided with a plurality of scales on its outer peripheral surface for representing different voltage output values or off states, for example, six scales may be provided, which are: off-25% to-50% to-75% to-100% off. Referring back to fig. 9, an indication mark 931 is provided on the lower connection sleeve 93. The knob 62 is rotatably sleeved on the connecting assembly 9, specifically, on the lower connecting sleeve 93. When the knob 62 is rotated to which scale is aligned with the indication mark 931, it is indicated that the voltage output value at this time is the corresponding scale size, which is convenient for the user to adjust.

Referring to fig. 12, further, the lower end of the abutting element 32 is provided with an external thread to connect with the upper connecting sleeve 97, the upper end of the abutting element 32 is provided with two supporting portions 321, the abutting element 32 is further sleeved with a floating snap ring 33, the floating snap ring 33 abuts against the lower portion of the supporting portions 321, and a floating spring 34 is further arranged between the floating snap ring 33 and the upper connecting sleeve 97. The floating snap ring 33 and floating spring 34 are provided to facilitate installation and removal of the lighting fixture of a particular construction.

A cross-sectional view of the interface element 32 when mounted on the coupling assembly 9 is shown in figure 13.

The above disclosure is only a preferred embodiment of the present invention, and the function is to facilitate the understanding and implementation of the present invention, which is not to be construed as limiting the scope of the present invention, and therefore, the present invention is not limited to the claims.

Claims

1. The utility model provides a decide gear regulation formula power handle which characterized in that: comprises a handle shell, a connecting component, a butt joint component, a conductive nail, a switch plectrum, a knob and a circuit board, wherein the circuit board is provided with a switch shaft which can rotate among a plurality of gears,

the handle shell is of a hollow structure with an opening end, a battery bin is arranged in the handle shell, the connecting assembly is arranged at the end of the handle shell, the conductive nail is arranged on the connecting assembly, the butt joint piece is connected on the connecting assembly and is of a hollow structure so as to expose the conductive nail,

the circuit board is located in handle shell or coupling assembling, the cover of one end circumference location of switch plectrum is in on the switch shaft, the other end is followed coupling assembling exposes, the knob is established with rotating ground the cover and is established coupling assembling is last and with the other end of switch plectrum is connected in order to drive the swing of switch plectrum.

2. The fixed-gear adjustable power handle as claimed in claim 1, wherein: the inner wall of the knob is provided with a notch, and one end of the switch shifting piece is clamped in the notch.

3. The fixed-gear adjustable power handle as claimed in claim 1, wherein: the upper end and the lower extreme of coupling assembling are equipped with the screw thread respectively, coupling assembling pass through the screw thread install in the opening part of handle shell tip, the butt joint piece passes through threaded connection in coupling assembling is last.

4. The fixed-gear adjustable power handle as claimed in claim 3, wherein: coupling assembling includes that electrically conductive nail retainer plate, first spring holder, first spring and upper and lower end establish the screwed adapter sleeve, electrically conductive nail retainer plate is fixed respectively with first spring holder in the adapter sleeve, electrically conductive nail retainer plate is located on the first spring holder, electrically conductive nail passes with sliding from top to bottom electrically conductive nail retainer plate, first spring elasticity supports to push up between electrically conductive nail retainer plate and the first spring holder.

5. The fixed-gear adjustable power handle as claimed in claim 4, wherein: be equipped with a battery clamp that holds the battery in the battery compartment, the circuit board is located the one end of battery clamp, the other end of battery clamp is equipped with a charging circuit board, charging circuit board has charging socket, the battery clamp includes half left shell and half right shell that relative lock is fixed.

6. The fixed-gear adjustable power handle as claimed in claim 3, wherein: coupling assembling includes coupling assembling and lower coupling assembling, coupling assembling passes through threaded connection down in the handle shell, the circuit board is located in the coupling assembling down, go up coupling assembling pass through threaded connection in on the coupling assembling down, the switch plectrum is located in going up coupling assembling, the butt joint piece passes through threaded connection in going up coupling assembling.

7. The fixed-gear adjustable power handle as claimed in claim 6, wherein: the lower connecting assembly comprises a lower connecting sleeve, a circuit board fixing ring and a shifting sheet seat locking ring, threads are arranged at the lower end of the lower connecting sleeve, the circuit board fixing ring is fixed in the lower connecting sleeve, the circuit board is arranged in the circuit board fixing ring, and the shifting sheet seat locking ring is arranged on the circuit board and is provided with external threads.

8. The fixed-gear adjustable power handle as claimed in claim 6, wherein: go up coupling assembling including last adapter sleeve, second spring holder, second spring and conductive nail fixing base, the upper end and the lower extreme of going up the adapter sleeve all are equipped with the internal thread, conductive nail fixing base is fixed with the second spring holder in going up the adapter sleeve, conductive nail is located with sliding from top to bottom in the conductive nail fixing base, second spring elasticity support in between conductive nail and the second spring holder, the lateral wall of going up the adapter sleeve has still been seted up the confession the arc wall that the switch plectrum wore out.

9. The fixed-gear adjustable power handle as claimed in claim 8, wherein: the lower extreme of butt joint piece be equipped with the external screw thread in order to with go up the adapter sleeve and connect, the butt joint piece upper end is equipped with two supporting parts, the last floating snap ring that has cup jointed of butt joint piece, floating snap ring with go up and still be equipped with a floating spring between the adapter sleeve.