CN211045317U - Clutch button's trigger structure and master hand instrument - Google Patents

Abstract

The utility model discloses a separation and reunion button trigger structure and owner hand tool, wherein, separation and reunion button's trigger structure is including the utensil electricity shell, still including connecting the connecting rod of utensil electricity shell lower extreme, it has the spanner to articulate on the connecting rod, still be equipped with separation and reunion button on the connecting rod, trigger when the spanner rotates to extreme position separation and reunion button. The utility model discloses clutch button's trigger structure is through setting up the connecting rod at utensil electricity shell lower extreme, and articulated spanner triggers clutch button through the spanner on the connecting rod, is convenient for operate when reducing utensil electricity shell external diameter.

Description

Clutch button's trigger structure and master hand instrument

Technical Field

The utility model relates to a medical instrument especially relates to a separation and reunion button trigger structure and master hand instrument.

Background

The motor shell in the main hand tool of the minimally invasive surgery robot is used as a handle while protecting the motor, so that the outer diameter of the motor shell cannot be too large. Because the clutch button has certain thickness, if the clutch button is directly arranged at the position which can be reached by hands, the motor is already arranged in the motor shell and can only be arranged on the motor shell, so that the clutch button is beautiful, the diameter of the motor shell can be increased or locally increased, and the clutch button is inconvenient to operate.

Those skilled in the art have therefore endeavored to develop a trigger structure for a clutch button and a master hand tool that are easy to operate.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects in the prior art, the technical problem to be solved in the present invention is to provide a clutch button triggering structure convenient to operate.

In order to achieve the above object, the utility model provides a clutch button's trigger structure, including the utensil electricity shell, still including connecting the connecting rod of utensil electricity shell lower extreme, it has the spanner to articulate on the connecting rod, still be equipped with clutch button on the connecting rod, trigger when the spanner rotates to extreme position clutch button.

Preferably, the wrench is provided with a hemispherical protrusion, and the protrusion abuts against the upper surface of the clutch button.

The utility model also provides a master hand instrument, including foretell separation and reunion button's trigger structure.

The utility model has the advantages that: the utility model discloses clutch button's trigger structure is through setting up the connecting rod at utensil electricity shell lower extreme, and articulated spanner triggers clutch button through the spanner on the connecting rod, is convenient for operate when reducing utensil electricity shell external diameter.

Drawings

Fig. 1 is a schematic structural diagram of the clutch button triggering structure and the master hand tool of the present invention.

Fig. 2 is a sectional view taken along line C-C in fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a sectional view taken along line a-a of fig. 3.

Fig. 5 is a sectional view taken along line B-B in fig. 4.

Fig. 6 is a sectional view taken along line D-D in fig. 3.

Fig. 7 is a schematic view of a partial structure of the master hand tool of the present invention.

Fig. 8 is a schematic perspective view of the master hand tool of the present invention.

Fig. 9 is a bottom view of fig. 8.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, wherein it is noted that, in the description of the invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 9, a trigger structure of a clutch button includes an electric casing 4, and further includes a connecting rod 6 connected to a lower end of the electric casing 4, a wrench 10 is hinged to the connecting rod 6, a clutch button 9 is further provided on the connecting rod 6, and the wrench 10 triggers the clutch button 9 when rotating to a limit position.

The wrench 10 is provided with a hemispherical protrusion which is abutted against the upper surface of the clutch button 9. Since the clutch button 9 is provided with a return spring, the upper surface of the clutch button 9 can lift the wrench 10 to the initial position. When a user pulls the upper end of the wrench 10 in the direction of the axis of the motor, the wrench 10 rotates around the center of the wrench shaft 25, and the protrusion on the wrench 10 is driven to press the clutch button 9 downwards. When the upper rear end of the wrench 10 contacts with the outer circular surface of the tool case 4 (i.e. the wrench 10 rotates to the limit position), the clutch button 9 is triggered, and a clutch trigger signal is transmitted to the control center through the cable.

The above-mentioned trigger structure of separation and reunion button can be applicable to a master hand instrument, utensil electricity shell 4's upper end is installed and is possessed lid 17, the upper end that possesses lid 17 is equipped with top cap 18, the interior circle of top cap 18 and the excircle clearance fit who possesses lid 17, be equipped with spacing dogtooth 1801 on the inner peripheral surface of top cap 18 lower extreme, utensil bears and is equipped with the spacing recess 1701 that corresponds with spacing dogtooth 1801 on the lid 17, the upper surface of spacing dogtooth 1801 and the upper surface laminating of spacing recess 1701, it is spacing to the axial of top cap 18 to form.

A second set screw 27 is connected between the top cover 18 and the tool bearing cover 17 through screw threads and is used for limiting the circumferential direction of the tool bearing cover 17.

The novel wrench is characterized by further comprising an upper flat rod 15 connected with the large wrench handle 3 and a lower flat rod 16 connected with the small wrench handle 13, wherein the lower flat rod 16 is connected with the upper flat rod 15 through a long wrench handle pin 20, a second bearing 21 is installed at the lower end of the long wrench handle pin 20, and a guide rail for the second bearing 21 to slide is arranged on the tool bearing cover 17.

The tool electric shell 4 is internally provided with a hollow flange shaft 1 which is in clearance fit with the tool electric shell 4, the inner side surface of the lower end of the tool electric shell 4 is provided with a plurality of concave parts 401 which are arranged at intervals, the lower end of the flange shaft 1 is a plug-in part 104 which corresponds to the concave parts 401, and the arc length corresponding to the plug-in part 104 is smaller than the arc length corresponding to the concave parts 401.

Install motor 2 in the utensil electricity shell 4, flange axle 1 is located between utensil electricity shell 4 and the motor 2, still includes big trigger 3 and little trigger 13, and big trigger 3 is connected with motor 2's motor body power, and little trigger 13 is connected with motor 2's motor shaft power.

When the mating part 104 abuts against the side of the recess 401, the large trigger 3 and the small trigger 13 rotate to the maximum limit positions.

The inner side of the lower end of the electric shell 4 is provided with a first bearing 5, and the lower end of the flange shaft 1 is matched and positioned with the first bearing 5;

still include stop collar 12, the interior circle of stop collar 12 and the lower extreme excircle clearance fit of flange axle 1, the upper end of stop collar 12 and the inner circle lower extreme butt of first bearing 5, the lower extreme of flange axle 1 is equipped with at least one helicla flute 103, be equipped with on the stop collar 12 with helicla flute 103 complex spiral boss 1201, when helicla flute 103 was gone into to spiral boss 1201 card, it was spacing to the axial of flange axle 1 to form.

A first set screw 30 is connected between the limiting sleeve 12 and the flange shaft 1 through threads and used for limiting the limiting sleeve 12 in the circumferential direction.

The lower end of the limiting sleeve 12 is provided with a screwing groove 1202 for inserting a tool.

The excircle of the lower end of the flange shaft 1 is in clearance fit with the inner circle of the first bearing 5, the lower end of the flange shaft 1 is also provided with a third boss 102 protruding outwards along the radial direction of the flange shaft, and the lower end of the third boss 102 is abutted to the upper end of the inner circle of the first bearing 5. Be equipped with motor flange 201 on the motor 2, be equipped with on the flange axle 1 along its radial inward extension's first boss 101, first boss 101 is fixed on motor flange 201's flange face through a countersunk screw 22, is equipped with on the motor flange 201 along its axially convex second boss 2011, the interior circle of first boss 101 and the excircle butt of second boss 2011, wear to be equipped with locating pin 28 on motor flange 201 and the first boss 101 for to first boss 101 circumference location.

The main hand tool of the utility model, through hinging the spanner 10 on the connecting rod 6, utilizes the lever principle to trigger the clutch button 9 when rotating the spanner 10 to the extreme position; the top cover 18 is axially limited by matching a limiting groove 1701 arranged on the bearing cover 17 with an upper limiting convex tooth 1801 of the top cover 18; the rotation of the large trigger 3 and the small trigger 13 is limited by the matching of the plug-in part 104 of the flange shaft 1 and the concave part 401 of the electric shell 4; the flange shaft 1 is axially limited by the matching of the spiral boss 1201 on the limiting sleeve 12 and the spiral groove 103 on the flange shaft 1.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (3)

1. A trigger structure of clutch button, includes utensil electricity shell (4), characterized by: still including connecting rod (6) of utensil electricity shell (4) lower extreme, articulated on connecting rod (6) have spanner (10), still be equipped with on connecting rod (6) clutch button (9), trigger when spanner (10) rotate to extreme position clutch button (9).

2. The trigger structure of the clutch button as claimed in claim 1, wherein: the wrench (10) is provided with a hemispherical bulge, and the bulge is abutted to the upper surface of the clutch button (9).

3. A master hand tool, characterized by: trigger structure comprising a clutch button according to claim 1 or 2.

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