CN219374820U

CN219374820U - Electric saw drill handle bottom cover

Info

Publication number: CN219374820U
Application number: CN202320258693.9U
Authority: CN
Inventors: 程永
Original assignee: Dingjian Medical Instrument Suzhou Co ltd
Current assignee: Dingjian Medical Instrument Suzhou Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-21
Anticipated expiration: 2033-02-20

Abstract

The utility model provides a bottom cover of a handle of an electric saw drill, which relates to the field of medical appliances and comprises: the bottom cover is of a circular structure, a positioning rod column is welded at the center of the top end of the bottom cover, a slip ring is slidably installed on the positioning rod column through spring pushing, a supporting shaft protruding upwards is welded around the top end of the slip ring, and a stress ring is welded at the top ends of the supporting shafts; an internal thread is arranged on the circumferential inner wall of the bottom cover, the top end section of the handle is connected with the bottom cover through the thread, the interior of the handle is hollow and is of a cylindrical structure, and a battery is slidably arranged in the handle; when the top end part of the handle is in abutting contact with the oblique section part of the plug rod, eight rolling balls on the plug rod are distributed in a surrounding mode and are in jacking contact with the tail end part of the battery, the plug rod can clamp and fix the battery, and the situation that the battery is lack of being fixed in the electric saw drill in the use process and is jogged and tremble in the left and right directions of the inside of the handle, so that the electric saw drill is poor in overall use stability is avoided.

Description

Electric saw drill handle bottom cover

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a handle bottom cover of an electric saw drill.

Background

In surgery, especially in orthopaedics, a powered saw drill is often used to cut and open a bone, and the tail end of the handle of the powered saw drill is typically provided with a bottom cover, which is typically used to block and position a battery mounted in the handle.

The handle of electric saw bores mostly hollow structure, and its inside is used for splendid attire battery, for the taking out of making things convenient for the battery insert get the dress, and the diameter of handle is greater than the diameter of battery and keeps sliding gap more, but current bottom lacks the stopper to the battery more and inserts locating component, causes electric saw to bore when using, and the battery easily inside control of handle rocks tremble, influences electric saw and bores stability in use.

Disclosure of Invention

In view of this, the utility model provides a handle bottom cover of an electric saw drill, so as to solve the problems that the handle of the electric saw drill is mostly of a hollow structure, the interior of the handle is used for containing a battery, the diameter of a cylinder of the handle is larger than the diameter of the battery to maintain a sliding gap for facilitating the drawing, inserting and mounting of the battery, but the existing bottom cover is mostly lack of a plug-in positioning component for the battery, so that the battery is easy to shake and shake left and right in the handle when the electric saw drill is used, and the use stability of the electric saw drill is affected.

The utility model provides a bottom cover of a handle of an electric saw drill, which specifically comprises: the bottom cover is of a circular structure, a locating pole is welded at the center of the top end of the bottom cover, a slip ring is slidably installed on the locating pole through spring pushing, a supporting shaft protruding upwards is welded around the top end of the slip ring, and a stress ring is welded at the top ends of the supporting shafts; an internal thread is arranged on the circumferential inner wall of the bottom cover, the top end section of the handle is connected with the bottom cover through the thread, the interior of the handle is hollow and is of a cylindrical structure, and a battery is slidably arranged in the handle; five positioning ear plates are welded around the outer eave position of the top end of the bottom cover, five sliding shafts are arranged on the five positioning ear plates in a penetrating and sliding manner, and the head ends of the five sliding shafts are of hemispherical structures; a limiting ring is welded and sleeved on the tail end section of the sliding shaft; and the center position of the bottom cover top plate is welded and fixed with a conical spiral spring power-on assembly.

Further, the tail ends of the five sliding shafts are all rotationally connected with one connecting rod, five connecting frames are welded on the circumference outer ring of the sliding ring in a surrounding mode, and the tail ends of the five connecting rods are rotationally connected with the five connecting frames.

Further, the bottom of the bottom cover top plate is positioned on the peripheral part of the spring power-on assembly, plug inserting rods supported downwards everywhere are welded in a surrounding mode, and the lower half sections of the plug inserting rods everywhere are of oblique-section structures.

Furthermore, two rolling balls are embedded and installed at the inner side of the oblique section of the plug and insert rod at intervals up and down.

Further, when the handle is in threaded connection with the bottom cover, the top end part is in abutting contact with the oblique section part of the plug rod.

Further, when the top end part of the handle is in abutting contact with the oblique section part of the four-way plug rod, eight rolling balls on the four-way plug rod are distributed in a surrounding mode and are in pressing contact with the tail end part of the battery.

Advantageous effects

1. According to the utility model, the five sliding shafts can be used as the rotating wheels for twisting the elastic bottom cover when sliding and stretching out, the distances of the five sliding shafts stretching out outwards are long, the fingers can conveniently grip the twisting force, and compared with the method that protrusions or grooves are directly arranged on the outer wall of the bottom cover to twist the bottom cover, the method is more convenient for applying torque, the tightness operation of the bottom cover can be more labor-saving and easier, and the five sliding shafts are used as the twisting tightness part of the bottom cover and can be contracted and hidden at the top end of the bottom cover when not in use, so that the normal use of the electric saw drill is prevented from being influenced by the protruding support.

2. According to the utility model, the plug rod can clamp and fix the battery everywhere, the phenomenon that the battery is lack of being fixed in the electric saw drill in the use process and is jogged left and right in the handle to vibrate is avoided, the whole use stability of the electric saw drill is poor, the rolling ball on the plug rod can reduce the abrasion to the battery shell when the rolling ball follows the torsion tightness of the bottom cover, and the anti-friction protection to the battery can be realized on the premise of clamping and fixing the battery.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.

The drawings described below are only for illustration of some embodiments of the utility model and are not intended to limit the utility model.

In the drawings:

fig. 1 is a schematic diagram of a bottom cover structure of an embodiment of the present utility model.

Fig. 2 is a schematic view of the handle structure of an embodiment of the present utility model.

Fig. 3 is a schematic diagram of a bottom cover half-cut internal structure of an embodiment of the present utility model.

Fig. 4 is a schematic view of the inner structure of the bottom cover of the embodiment of the present utility model.

List of reference numerals

1. A bottom cover; 101. positioning a pole; 102. positioning the ear plate; 103. a slide shaft; 104. a connecting rod; 105. a slip ring; 106. a plug rod; 2. a handle; 3. and a battery.

Detailed Description

In order to make the objects, aspects and advantages of the technical solution of the present utility model more clear, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present utility model.

Examples: please refer to fig. 1 to 4:

the utility model provides a handle bottom cover of an electric saw drill, which comprises a bottom cover 1, a handle 2 and a battery 3, wherein the bottom cover 1 is of a circular structure, a positioning rod column 101 is welded at the center of the top end of the bottom cover 1, a slip ring 105 is slidably arranged on the positioning rod column 101 through pushing of a spring, a supporting shaft protruding upwards is welded around the top end of the slip ring 105, and a stress ring is welded at the top ends of the supporting shafts; an internal thread is arranged on the circumferential inner wall of the bottom cover 1, the top end section of the handle 2 is connected with the bottom cover 1 through threads, the interior of the handle 2 is hollow and is of a cylindrical structure, and a battery 3 is slidably arranged in the handle 2; five positioning ear plates 102 are welded around the outer eave position of the top end of the bottom cover 1, five sliding shafts 103 are installed on the five positioning ear plates 102 in a penetrating and sliding manner, and the head ends of the five sliding shafts 103 are of hemispherical structures; a limit ring is welded and sleeved on the tail end section of the fifth sliding shaft 103; the center of the bottom of the top plate of the bottom cover 1 is welded and fixed with a conical spiral spring power-on assembly; the bottom of the top plate of the bottom cover 1 is positioned on the peripheral part of the spring power-on assembly, plug inserting rods 106 which are supported downwards everywhere are welded around, and the lower half sections of the plug inserting rods 106 everywhere are in an oblique-section structure; two rolling balls are embedded and installed on the inner side of the oblique section rod section of the plug inserted rod 106 at intervals up and down; when the handle 2 is screwed with the bottom cover 1, the top end portion is in abutting contact with the obliquely cut portion of the plug-in lever 106.

The tail ends of the five sliding shafts 103 are all rotationally connected with one connecting rod 104, five connecting frames are welded on the circumference outer ring of the sliding ring 105 in a surrounding mode, the tail ends of the five connecting rods 104 are rotationally connected with the five connecting frames, the five connecting rods 104, the sliding ring 105 and the five sliding shafts 103 are jointly connected to form a five-position crank sliding block mechanism, the five sliding shafts 103 can be pushed to be driven to synchronously insert and retract in an inner-outer pulling mode through the five-position mechanism sliding stress ring and the sliding ring 105, the five sliding shafts 103 can serve as rotating wheels for twisting the elastic bottom cover 1 when being slid and stretched out, the distance that the five sliding shafts 103 stretch out outwards is long, the fingers can conveniently grasp the twisting force to twist the bottom cover 1 to implement tightness, torque can be applied more conveniently, the tightness operation of the bottom cover 1 can be more labor-saving and easy, the five sliding shafts 103 serve as the torsion part of the bottom cover 1, the five sliding shafts 103 can be contracted and hidden at the top end of the bottom cover 1 when in an idle mode, and the normal use of the electric saw is prevented from being influenced by the protruding support.

When the top end part of the handle 2 is in abutting contact with the oblique section part of the plug rod 106, eight rolling balls on the plug rod 106 are distributed around and are in jacking contact with the tail end part of the battery 3, the plug rod 106 can clamp and fix the battery 3, the situation that the battery 3 lacks to be fixed in the electric saw drill in the use process and jolts around the inside of the handle 2, the use stability of the electric saw drill is poor is caused, the rolling balls on the plug rod 106 can reduce the abrasion of the rolling balls on the outer shell of the battery 3 when the rolling balls follow the bottom cover 1 to twist and loosen, and the anti-friction protection of the battery 3 can be realized on the premise of clamping and fixing the battery 3.

Specific use and action of the embodiment: according to the utility model, the five connecting rods 104, the slip rings 105 and the five sliding shafts 103 are jointly connected to form a five crank sliding block mechanism, the five sliding shafts 103 can be synchronously inserted and contracted in an inner-outer drawing manner by pushing the stress ring and the slip rings 105 which slide up and down through the five crank sliding block mechanism, the five sliding shafts 103 can be used as rotating wheels of the torsion tightness bottom cover 1 when sliding and stretching out, the five sliding shafts 103 extend outwards for a long distance, the fingers can conveniently grip the torsion force, and the five sliding shafts 103 are used as torsion tightness parts of the bottom cover 1, can be contracted and hidden at the top end of the bottom cover 1 when idling, when the five sliding shafts 103 are used, the palm is needed to be firstly pushed down to press the stress ring to drive the five sliding shafts 103 to extend outwards, and then the fingers can be directly gripped on the extending five sliding shafts 103 to implement torsion tightness on the bottom cover 1;

when the top end part of the handle 2 is in abutting contact with the oblique section part of the four-way plug rod 106, eight rolling balls on the four-way plug rod 106 are distributed in a surrounding mode and are in jacking contact with the tail end part of the battery 3, the four-way plug rod 106 can clamp and fix the battery 3, and the battery 3 is prevented from being lack of being fixed in the electric saw drill in the use process and jogged and tremble left and right in the handle 2.

Claims

1. A power saw handle bottom cover, comprising: the portable battery comprises a bottom cover (1), a handle (2) and a battery (3), wherein the bottom cover (1) is of a circular structure, a locating pole column (101) is welded at the center of the top end of the bottom cover (1), a slip ring (105) is slidably installed on the locating pole column (101) through spring pushing, a supporting shaft protruding upwards is welded around the top end of the slip ring (105), and a stress ring is welded at the top end of the supporting shaft around; an internal thread is formed on the circumferential inner wall of the bottom cover (1), the top end section of the handle (2) is connected with the bottom cover (1) through threads, the interior of the handle (2) is hollow and is of a cylindrical structure, and a battery (3) is slidably arranged in the handle (2); five positioning ear plates (102) are welded around the outer eave position of the top end of the bottom cover (1), five sliding shafts (103) are installed on the five positioning ear plates (102) in a penetrating and sliding mode, and the head ends of the five sliding shafts (103) are of hemispherical structures.

2. The bottom cover of a handle for an electric saw drill according to claim 1, wherein: and the tail end sections of the sliding shafts (103) are welded and sleeved with a limiting ring.

3. The bottom cover of a handle for an electric saw drill according to claim 1, wherein: the center of the bottom of the top plate of the bottom cover (1) is fixedly welded with a conical spiral spring power-on assembly.

4. The bottom cover of a handle for an electric saw drill according to claim 1, wherein: the tail ends of the fifth sliding shafts (103) are respectively and rotatably connected with a connecting rod (104).

5. The bottom cover of a handle for a power saw as claimed in claim 4, wherein: five connecting frames are welded on the circumference outer ring of the slip ring (105) in a surrounding mode, and the tail ends of the five connecting rods (104) are connected with the five connecting frames in a rotating mode.

6. The bottom cover of a handle for an electric saw drill according to claim 1, wherein: the bottom of the top plate of the bottom cover (1) is positioned on the peripheral part of the spring power-on assembly, and plug rods (106) supported downwards everywhere are welded around the bottom plate.

7. The bottom cover of a handle for a power saw as claimed in claim 6, wherein: and the lower half sections of the four plug inserting rods (106) are of oblique-section structures.

8. The bottom cover of a handle for a power saw as claimed in claim 6, wherein: the inner sides of the oblique section rod sections of the plug inserting rods (106) are respectively provided with two rolling balls in an embedded mode at an upper-lower interval.

9. The bottom cover of a handle for a power saw as claimed in claim 6, wherein: when the handle (2) is in threaded connection with the bottom cover (1), the top end part is in abutting contact with the oblique section part of the plug rod (106).

10. The bottom cover of a handle for a power saw as claimed in claim 6, wherein: when the top end part of the handle (2) is in abutting contact with the oblique section part of the four-way plug rod (106), eight rolling balls on the four-way plug rod (106) are distributed in a surrounding mode and are in pressing contact with the tail end part of the battery (3).