CN219613913U - Multifunctional percussion hammer - Google Patents

Abstract

The utility model relates to a multifunctional percussion hammer, belongs to the technical field of medical appliances, and solves the technical problems of few functions, poor accommodating property of an additionally arranged tile needle wheel, inconvenient operation and the like of the existing percussion hammer. The multifunctional percussion hammer comprises a hammer handle, wherein a hammer head assembly, an illuminating lamp, a metal protrusion and a tile needle wheel are arranged on the hammer handle; the hammer handle is provided with a first sleeve and a second sleeve, and the first sleeve and the second sleeve can rotate around the axis of the hammer handle; the first sleeve is positioned above the second sleeve, and the second sleeve can move along the axis of the hammer handle; the hammer head assembly is provided with a first hammer head and a second hammer head, and the size of the first hammer head is larger than that of the second hammer head; the illuminating lamp is arranged on the hammer handle; the tile needle wheel is provided with a shaft which is connected with a first connecting rod and a second connecting rod, and the first connecting rod and the second connecting rod are respectively hinged with the first sleeve and the second sleeve. The percussion hammer has the advantages of multiple functions, good stability, easy operation, good storage property, safety and sanitation, and is fit with clinical operation practice.

Description

Multifunctional percussion hammer

Technical Field

The utility model belongs to the technical field of medical instruments, and particularly relates to a multifunctional percussion hammer.

Background

When a clinician performs nervous system examination, the clinician often needs to carry a plurality of different examination tools, such as a percussion hammer for examining neuromuscular reflex, a tile needle wheel for pain examination, a flashlight for examining pupil light reflex, an instrument for examining vision, and the like, and carrying a plurality of types of detection tools brings inconvenience to the doctor. Although the prior art also has the percussion hammer integrated with multiple functions, the prior percussion hammer lacks a visual field checking function, and even one of the large hammer heads and the small hammer heads is abandoned in order to increase the functions of the percussion hammer, thereby being not beneficial to clinical use; meanwhile, the increased tile needle wheel on the percussion hammer is poor in storage, so that the volume of the percussion hammer is increased, the needle body is easy to pollute and damage, a doctor is injured by the percussion hammer, the risk of nosocomial infection is increased, and the use stability of the percussion hammer is also influenced; the positions of the flashlight light source and the switch are generally arranged on the side face of the flashlight, so that the detection by using a conventional method is not facilitated for a clinician; with the increase of the functions and the increase of the volume of the percussion hammer, more requirements are also put on the overall storage property, portability, stability, operability, simplicity and sanitation of the percussion hammer.

Disclosure of Invention

In view of the above problems, the present utility model aims to provide a multifunctional plexor that simultaneously performs examinations for nerve reflex, pain sensation, visual field, babin's disease positivity, and the like. By simply storing the tile needle wheel in a box type, the risk that the needle body is easy to be polluted and damaged is avoided, and the carrying safety of doctors is ensured; meanwhile, the large hammer head and the small hammer head are combined into one, and the conversion of the large hammer head and the small hammer head is realized in a rotating mode, so that the volume of the percussion hammer is reduced; the flashlight keeps consistent with the operation of a clinically used flashlight, and is convenient to operate; the objective accuracy of clinical visual field inspection is improved by using the bush needle wheel and the connecting rod, and the estimation error caused by the traditional clinical method is reduced. The integral design of the percussion hammer ensures that the percussion hammer has multiple functions, good stability, easy operation, good storage performance, safety and sanitation and is fit with clinical operation practice.

The purpose of the utility model is realized in the following way:

a multifunctional percussion hammer comprises a hammer handle, a hammer head assembly, an illuminating lamp, a tile needle wheel, a first connecting rod, a second connecting rod and a metal protrusion; the hammer handle is provided with a first sleeve and a second sleeve, and the first sleeve and the second sleeve can rotate around the axis of the hammer handle; the first sleeve is positioned above the second sleeve, the second sleeve can move along the axis of the hammer handle, and the first sleeve cannot move along the axis of the hammer handle; the hammer head assembly is arranged on the side wall of the hammer handle; the hammer head assembly is provided with a first hammer head and a second hammer head, the diameter of the first hammer head is larger than that of the second hammer head, and the second hammer head can be arranged in the first hammer head in an extending mode; the illuminating lamp is arranged at the lower end of the hammer handle; the metal protrusion is arranged at the upper end of the hammer handle; the tile needle wheel is provided with a shaft, a needle body and a rotating disc assembly; the rotary disc assembly comprises a first disc and a second disc which can rotate relatively, a plurality of radial needle grooves are formed in the second disc, the needle grooves are radially formed in the upper surface of the second disc, the needle body is movably arranged in the needle grooves, and the needle body can radially extend or retract the needle grooves by rotating the first disc; the lower surface of the second disc is fixedly connected with the shaft; the first end of the first connecting rod is hinged with the first sleeve, and the second end of the first connecting rod is rotationally connected with the shaft; the first end of the second connecting rod is hinged with the second sleeve, and the second end of the second connecting rod is connected with the shaft in a rotating way.

Further, an annular bulge is arranged on the inner wall of the first sleeve, a first annular groove is arranged on the side surface of the upper part of the hammer handle, and the annular bulge can be rotationally clamped in the first annular groove so as to limit that the first sleeve can only axially rotate along the hammer handle; the cylinder wall of the second sleeve is provided with a screw hole, a locking screw is arranged in the screw hole, a T-shaped chute is further arranged on the side face of the hammer handle, the T-shaped chute is positioned below the first annular groove and is composed of a half annular groove and a longitudinal chute, the longitudinal chute is parallel to the axial direction of the hammer handle and is connected and communicated with the middle part of the half annular groove, the locking screw can be inserted into the half annular groove and the longitudinal chute, and the second sleeve is limited in the half annular groove and the longitudinal chute to move or be fixed on the hammer handle by utilizing the locking screw and the T-shaped chute on the hammer handle.

Further, an anti-slip rubber ring is arranged on the second sleeve.

Further, a lamp switch is arranged at the upper end of the hammer handle and connected with the illuminating lamp for controlling the opening and closing of the illuminating lamp.

Further, a battery groove is arranged in the hammer handle, a battery is arranged in the battery groove, and the battery is connected with the illuminating lamp through a wire.

Further, a battery cover is detachably arranged at the upper end of the hammer handle, the battery cover is installed at an opening at the upper end of the hammer handle in a threaded manner, and the battery is installed by opening the battery cover; the lamp switch and the metal protrusion are arranged on the battery cover, and the metal protrusion is a hollow semicircle cone with a blunt tip and is used for the positive detection of the babin sign.

Further, the lower surface of the first disc is provided with a plurality of arc grooves, the needle body is provided with a sliding connection part, the upper end of the sliding connection part is movably clamped in the arc grooves, and when the first disc and the second disc rotate relatively, the sliding connection part can move along the track limited by the arc grooves and drive the needle body to linearly reciprocate in the needle groove along the radial direction of the second disc so as to realize the extension and retraction of the needle body.

Further, the first hammer head is coaxially provided with an installation space, the second hammer head is arranged in the installation space through a conversion mechanism, and the conversion mechanism is configured to enable the second hammer head to extend and retract from the installation space so as to realize conversion of the large hammer head and the small hammer head.

Further, the first hammer head comprises a connecting seat, a pushing part and a hammer cylinder section, the pushing part is coaxially and fixedly arranged on the connecting seat, and the connecting seat is fixedly connected to the outer wall of the hammer handle; the hammer cylinder section is sleeved on the pushing part; the pushing part is of a hollow structure, two parallel track holes are symmetrically formed in the side wall of the pushing part, and the track holes are parallel to the axis of the pushing part; two sliding bulges are arranged on the side wall of the second hammer head, the second hammer head is arranged in the pushing part, and the two sliding bulges are arranged in the track hole in a sliding manner and protrude out of the side wall surface of the pushing part; the inner wall of the hammer cylinder section is provided with a spiral chute, and the sliding bulge is movably arranged in the spiral chute; the sliding bulge, the pushing part and the spiral chute form a conversion mechanism; extension and retraction of the second ram is accomplished by rotating the hammer barrel segment counterclockwise and clockwise.

Further, the first connecting rod and the second connecting rod are both metal rods.

Further, two clamping grooves are formed in the beginning and the tail end of the track hole, the clamping grooves are perpendicular to the track hole, and the track hole and the clamping grooves at the two ends form a Z-shaped structure.

Compared with the prior art, the utility model has at least one of the following beneficial effects:

a) The multifunctional percussion hammer provided by the utility model gathers functions such as nerve reflex, pain sense, visual field inspection, babin sign positive inspection and the like into one percussion hammer, so that tools needed to be carried by a clinician are greatly reduced.

b) The multifunctional percussion hammer provided by the utility model has the advantages that the large hammer head and the small hammer head are combined into one, the conversion of the large hammer head and the small hammer head is realized in a rotating mode, and the occupied volume of the hammer head is reduced; the box body with the rotary tile needle wheel is stored, so that the needle body can be freely stretched, the risk that the needle body is easy to be polluted and damaged is avoided, meanwhile, the doctor is prevented from being pricked by the tile needle wheel, and the possibility of occupational exposure is reduced. After the tile needle wheel is used (including visual field inspection), the second sleeve is moved downwards, so that the tile needle wheel is close to the hammer handle, the size is further reduced, and the tile needle wheel is convenient to carry.

c) The multifunctional percussion hammer provided by the utility model improves the objective accuracy of clinical visual field examination by using the tile needle wheel and the connecting rod, and reduces the estimation error caused by the traditional clinical use method.

d) The multifunctional percussion hammer provided by the utility model keeps the flashlight consistent with the operation of a flashlight which is clinically and practically used, and is convenient to operate. The percussion hammer has the advantages of multiple functions, good stability, easy operation, good storage property, safety and sanitation, and wide application prospect, and is attached to clinical operation practice.

Drawings

For a clearer description of embodiments of the present description, reference will be made briefly to the accompanying drawings, which are only examples of embodiments described in this description, and from which other drawings may be obtained by a person of ordinary skill in the art.

FIG. 1 is a schematic view of the construction of the multifunctional plexor provided by the present utility model;

FIG. 2 is a schematic view of a structure of a hammer handle provided with a chute according to the present utility model;

FIG. 3 is a schematic view of a hammer handle with a first ring groove;

FIG. 4 is a schematic view of a second sleeve according to the present utility model attached to a hammer handle by a locking screw;

FIG. 5 is a schematic view of a locking screw on a second sleeve according to the present utility model;

FIG. 6 is a schematic view of a disassembled structure of a hammerhead assembly according to the present utility model;

FIG. 7 is a schematic diagram of the structure of the tile pinwheel provided by the utility model;

FIG. 8 is a schematic view of the construction of a first disc and a second disc of the tile pinwheel provided by the utility model;

FIG. 9 is a schematic view of the construction of a first disc of the tile pinwheel provided by the present utility model;

FIG. 10 is a schematic cross-sectional view of an arcuate slot in a first disc provided by the present utility model;

FIG. 11 is a schematic view of the construction of a second disc of the tile pinwheel provided by the present utility model;

fig. 12 is a schematic view of the structure of the needle body of the tile needle wheel provided by the utility model.

Reference numerals:

1. a hammer handle; 1-1, a first ring groove; 1-2, T-shaped sliding grooves; 1-21, a half ring groove; 1-22, a longitudinal chute; 2. a first sleeve; 3. a second sleeve; 3-1, an anti-slip rubber ring; 3-2, locking the screw rod; 4. a hammer head assembly; 4-1, a first hammer; 4-11, connecting seats; 4-12, a pushing part; 4-12a, track holes; 4-12b, a clamping groove; 4-13, a hammer cylinder section; 4-13a, a spiral chute; 4-2, a second hammer; 4-21, sliding protrusions; 5. a lighting lamp; 6. a tile needle wheel; 6-1, shaft; 6-2, a needle body; 6-21, a slip joint part; 6-3, a first disc; 6-31, arc-shaped grooves; 6-4, a second disc; 6-41, a needle groove; 6-5, a blocking part; 7. a first link; 8. a second link; 9. a light switch; 10. a wire; 11. a battery case; 12. metal projections.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model.

In one embodiment of the present utility model, as shown in fig. 1 to 12, a multifunctional percussion hammer is disclosed, comprising a hammer handle 1, a hammer head assembly 4, an illuminating lamp 5, a tile needle wheel 6, a first link 7, a second link 8 and a metal protrusion 12. The hammer handle 1 is provided with a first sleeve 2 and a second sleeve 3, and the first sleeve 2 and the second sleeve 3 can rotate around the axis of the hammer handle 1; the first sleeve 2 is positioned above the second sleeve 3 and cannot move along the axial direction of the hammer handle 1, an annular bulge is arranged on the inner wall of the first sleeve 2, a first annular groove 1-1 is arranged on the side surface of the upper part of the hammer handle 1, and the annular bulge can be rotationally clamped in the first annular groove 1-1, so that the first sleeve 2 is limited to axially rotate along the hammer handle; the second sleeve 3 is movable in the axial direction of the hammer handle 1 and is fixable to the lower portion of the hammer handle 1; the cylinder wall of the second sleeve 3 is provided with a screw hole, a locking screw 3-2 is arranged in the screw hole, a T-shaped chute 1-2 is also arranged on the side surface of the hammer handle 1, the T-shaped chute 1-2 is positioned below the first annular groove 1-1, the T-shaped chute 1-2 consists of a half annular groove 1-21 and a longitudinal chute 1-22, the longitudinal chute 1-22 is parallel to the axial direction of the hammer handle 1 and is connected and communicated with the middle part of the half annular groove 1-21, the locking screw 3-2 can be inserted into the half annular groove 1-21 and the longitudinal chute 1-22, and the second sleeve 3 is limited in the half annular groove 1-21 and the longitudinal chute 1-22 by utilizing the locking screw 3-2 and the T-shaped chute 1-2 on the hammer handle 1 to move or be fixed on the hammer handle 1; the second sleeve 3 is provided with an anti-slip rubber ring 3-1, and a user can rotate the lower second sleeve 3 by using an index finger and a thumb when holding the hammer; the hammer head assembly 4 is arranged on the side wall of the hammer handle 1; the hammer head assembly 4 is provided with a first hammer head 4-1 and a second hammer head 4-2, the diameter of the first hammer head 4-1 is larger than that of the second hammer head 4-2, and the second hammer head 4-2 is arranged in the first hammer head 4-1 in a stretching mode; the illuminating lamp 5 is arranged at the lower end of the hammer handle 1; the metal protrusion 12 is arranged at the upper end of the hammer handle 1, and the metal protrusion 12 is preferably a blunt tip, particularly preferably a hollow semicircle cone of the blunt tip, and can be used for the babinski positive examination; the tile needle wheel 6 is provided with a shaft 6-1, a needle body 6-2 and a rotating disc assembly, and a first connecting rod 7 and a second connecting rod 8 are sleeved on the shaft 6-1; the rotary disc assembly comprises a first disc 6-3 and a second disc 6-4 which can rotate relatively, the diameters of the first disc 6-3 and the second disc are the same, the radius is larger than the length of the needle body, one end of the shaft 6-1 is fixed with the second disc 6-4, and anti-skid patterns are arranged on the outer peripheral surface and the outer surface of the first disc 6-3; the other end of the shaft 6-1 is provided with a blocking part 6-5, the blocking part 6-5 is of a cylindrical structure and is coaxially arranged with the shaft 6-1, the diameter of the blocking part 6-5 is larger than that of the shaft 6-1, the first connecting rod 7 and the second connecting rod 8 can be prevented from falling off from the shaft, and anti-skid grains are arranged on the surface of the blocking part; the second disc 6-4 is provided with a plurality of radial needle grooves 6-41, such as eight needle grooves 6-41, the needle grooves 6-41 are radially arranged on the upper surface of the second disc 6-4, the outer end openings of the needle grooves 6-41 are positioned on the side peripheral surface of the second disc 6-4, the needle body 6-2 is movably arranged in the needle grooves 6-41, and the needle body 6-2 can radially extend or retract the needle grooves 6-41 by rotating the first disc 6-3; specifically, the lower surface of the first disk 6-3 is provided with a plurality of arc grooves 6-31, such as eight arc grooves, the arc grooves are of approximate C-shaped structures, and the arc grooves start from the middle part of the first disk, end at the edge of the first disk and can be provided with clamping grooves at the top part in a preferable manner; the needle body 6-2 is provided with a sliding connection part 6-21, the longitudinal section of the sliding connection part 6-21 is of a T-shaped structure, the upper end of the sliding connection part 6-21 is movably clamped in the arc-shaped groove 6-31, the lower end of the sliding connection part 6-21 is vertically and fixedly connected with the needle body 6-2, when the sliding connection part 6-21 rotates relatively to the first disc 6-3 and the second disc 6-4, the sliding connection part 6-21 can move along a track defined by the arc-shaped groove 6-31 and drive the needle body 6-2 to reciprocate linearly along the radial direction of the second disc 6-4 in the needle groove 6-41, and when the tile needle wheel needle body is in an extending state, the tile needle wheel can be rolled on the skin of a patient to detect pain of the spinal plane skin of the patient. The first end of the first connecting rod 7 is hinged with the first sleeve 2, and the second end of the first connecting rod 7 is rotatably connected with the shaft 6-1; the first end of the second connecting rod 8 is hinged with the second sleeve 3, and the second end of the second connecting rod 8 is rotatably connected with the shaft 6-1.

When the multifunctional percussion hammer of the embodiment is used, as the first sleeve 2 and the second sleeve 3 on the hammer handle 1 can rotate around the axis of the hammer handle, and the second sleeve 3 below can move up and down along the hammer handle, the position of the tile needle wheel 6 can be adjusted in space orientation, and when the position of the tile needle wheel 6 is adjusted, the tightness of the second sleeve 3 can be adjusted by utilizing the locking screw 3-2, so that the second sleeve 3 can be rotated to a required angle to be fixed and moved to an axial designated position of the hammer handle 1 to be fixed. The multifunctional percussion hammer of the embodiment can simply and accurately evaluate the visual field of a patient, and the visual field measuring method comprises the following steps: the user loosens the locking screw 3-2 on the lower second sleeve 3 to enable the second sleeve 3 to be in a longitudinally movable state, the second sleeve 3 is pushed to the position of the half ring groove 1-21 along the longitudinal sliding groove 1-22 to measure the visual field, the user holds the hammer handle and pushes the large hammer head at the wing point of the patient, the user rotates the second sleeve 3 slowly towards the front of the patient by fingers, when the patient sees the disc of the tile needle wheel 6, the rotation is stopped, scales are marked on the hammer handle, the intersection point of the optional half ring groove 1-21 and the longitudinal sliding groove 1-22 is 0 degree, the left and right degrees are respectively 90 degrees, and the visual field range of the patient can be estimated through reading the degrees. When the percussion hammer is stored, the locking screw 3-2 is adjusted to be loosened, the second sleeve is pulled down to the bottom of the hammer handle 1 along the longitudinal sliding groove 1-22, the locking screw is adjusted to be tightened again, the second sleeve 3 is limited on the hammer handle 1, the second sleeve 3 is prevented from moving axially along the hammer handle, the tile needle wheel 6 is kept in a locking state, and the storage of the percussion hammer is completed.

Considering that the percussion hammer in the prior art is not beneficial to the operation of a clinician because the flashlight light source and the switch are arranged on the side face of the hammer handle. Therefore, in this embodiment, the illumination lamp 5 is disposed at the lower end of the hammer handle 1, the lamp switch 9 is disposed at the upper end of the hammer handle 1, and the lamp switch 9 is connected with the illumination lamp 5 for controlling the on and off of the illumination lamp 5. A battery groove 11 is arranged in the hammer handle 1, a battery is arranged in the battery groove 11, and the battery is connected with the illuminating lamp 5 through a lead 10. Optionally, the illuminating lamp 5 is a led lamp. The hammer handle is used as the flashlight, the switch of the flashlight is positioned at the top of the hammer handle, and the led lamp is positioned at the bottom of the hammer handle, so that the operation is simple.

In this embodiment, the illumination lamp 5 is powered by a battery, and the battery is detachable. Specifically, the upper end of the hammer handle 1 is detachably provided with a battery cover, and the battery cover is arranged at the opening of the upper end of the hammer handle 1 in a threaded manner, so that a battery can be put in or taken out by unscrewing the battery cover at the top of the hammer handle. The lamp switch 9 and the metal protrusion 12 are both provided on the battery cover.

In this embodiment, a hammer head assembly 4 is disposed at one side of a hammer handle of the multifunctional percussion hammer, the hammer head assembly 4 comprises a large hammer head and a small hammer head, the large hammer head and the small hammer head are combined into a whole, and when the multifunctional percussion hammer is used, the conversion of the large hammer head and the small hammer head can be realized in a rotating manner according to the size of the required hammer head. The using method of the conversion of the big hammer head and the small hammer head comprises the following steps: by rotating the large hammer, the small hammer can be screwed out from the center of the large hammer. Specifically, the first hammer 4-1 is a large hammer, the second hammer 4-2 is a small hammer, the first hammer 4-1 is coaxially provided with an installation space, the second hammer 4-2 is arranged in the installation space through a conversion mechanism, and the conversion mechanism is configured to enable the second hammer 4-2 to extend and retract from the installation space so as to realize conversion between the large hammer and the small hammer.

In the embodiment, the first hammer head 4-1 comprises a connecting seat 4-11, a pushing part 4-12 and a hammer cylinder section 4-13, wherein the pushing part 4-12 is coaxially and fixedly arranged on the connecting seat 4-11, and the connecting seat 4-11 is fixedly connected to the outer wall of the hammer handle 1; the hammer cylinder section 4-13 is sleeved on the pushing part 4-12; the pushing part 4-12 is of a hollow structure, two parallel track holes 4-12a are formed in the side wall of the pushing part 4-12, and the track holes 4-12a are arranged parallel to the axis of the pushing part 4-12; the start and the tail ends of the track holes 4-12a are provided with two clamping grooves 4-12b, the clamping grooves 4-12b are perpendicular to the track holes 4-12a, and the track holes 4-12a and the clamping grooves 4-12b at the two ends of the track holes form a Z-shaped structure; the side wall of the second hammer 4-2 is provided with two sliding bulges 4-21, the second hammer 4-2 is arranged in the pushing part 4-12, and the two sliding bulges 4-21 are arranged in the track hole 4-12a in a sliding manner and protrude out of the side wall surface of the pushing part 4-12; the inner space of the pushing part 4-12 is an installation space, a spiral chute 4-13a is arranged on the inner wall of the hammer cylinder section 4-13, and the sliding protrusion 4-21 is movably arranged in the spiral chute 4-13 a; the sliding bulge 4-21, the pushing part 4-12 and the spiral chute 4-13a form a conversion mechanism; extension and retraction of the second ram 4-2 is achieved by rotating the hammer barrel segment 4-13 counterclockwise and clockwise. The outer end surfaces of the hammer barrel sections of the first hammer head 4-1 and the second hammer head 4-2 are arc-shaped surfaces, and when the second hammer head 4-2 is completely extended, the second hammer head 4-2 protrudes out of the outer end surface of the hammer barrel section, so that the second hammer head with smaller volume can be used. When the second hammer head is completely retracted, the arc-shaped outer end face of the second hammer head 4-2 is coplanar with the arc-shaped outer end face of the hammer cylinder section, and the arc-shaped outer end face of the hammer cylinder section form the arc-shaped end face of the first hammer head 4-1 together.

In this embodiment, the first connecting rod 7 and the second connecting rod 8 are metal rods, and the first sleeve and the second sleeve are respectively provided with a first hinge and a second hinge, the first hinge is connected with the first connecting rod 7, and the second hinge is connected with the second connecting rod 8.

Compared with the prior art, the multifunctional percussion hammer provided by the embodiment can perform multiple examinations of a nervous system, such as tendon reflex examination, pain examination, visual field examination, babin sign positive examination and the like, and can also utilize a lighting lamp to directly and indirectly reflect light to check pupil function activities; by converging the functions of nerve reflex, pain sensation, visual field examination, babin sign positive examination and the like into one percussion hammer, tools needed to be carried by a clinician are greatly reduced; the tile needle wheel is rotatably arranged on the hammer handle through a first connecting rod, a second connecting rod, a first sleeve and a second sleeve, when the tile needle wheel is used, the tile needle wheel is driven to rotate by the two connecting rods through rotating the first sleeve and the second sleeve, and the tile needle wheel reaches a diagnosis required position through moving the second sleeve up and down; after the tile needle wheel is used, the tile needle wheel is close to the hammer handle as much as possible by downwards moving the second sleeve, so that the volume of the percussion hammer is reduced, and the percussion hammer is convenient to store and carry; the multifunctional percussion hammer of the embodiment has simple operation, stable structure, and wide application prospect, and is attached to clinical operation practice.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the scope of the utility model, but to limit the utility model to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The multifunctional percussion hammer is characterized by comprising a hammer handle (1), a hammer head assembly (4), an illuminating lamp (5), a tile needle wheel (6), a first connecting rod (7), a second connecting rod (8) and a metal protrusion (12); the hammer handle (1) is provided with a first sleeve (2) and a second sleeve (3), and the first sleeve (2) and the second sleeve (3) can rotate around the axis of the hammer handle (1); the first sleeve (2) is positioned above the second sleeve (3), the second sleeve (3) can move along the axis of the hammer handle (1), and the first sleeve (2) cannot move along the axis of the hammer handle (1); the hammer head assembly (4) is arranged on the side wall of the hammer handle (1); the hammer head assembly (4) is provided with a first hammer head (4-1) and a second hammer head (4-2), the diameter of the first hammer head (4-1) is larger than that of the second hammer head (4-2), and the second hammer head (4-2) is arranged in the first hammer head (4-1) in an extending mode; the illuminating lamp (5) is arranged at the lower end of the hammer handle (1); the metal protrusion (12) is arranged at the upper end of the hammer handle (1); the tile needle wheel (6) is provided with a shaft (6-1), a needle body (6-2) and a rotating disc assembly; the rotary disc assembly comprises a first disc (6-3) and a second disc (6-4) which can rotate relatively, a plurality of radial needle grooves (6-41) are formed in the second disc (6-4), the needle grooves (6-41) are radially formed in the upper surface of the second disc (6-4), the needle body (6-2) is movably arranged in the needle grooves (6-41), and the needle body (6-2) can be radially extended or retracted from the needle grooves (6-41) by rotating the first disc (6-3); a first end of the first connecting rod (7) is hinged with the first sleeve (2), and a second end of the first connecting rod (7) is rotatably connected with the shaft (6-1); the first end of the second connecting rod (8) is hinged with the second sleeve (3), and the second end of the second connecting rod (8) is rotatably connected with the shaft (6-1).

2. The multifunctional percussion hammer according to claim 1, characterized in that an annular protrusion is arranged on the inner wall of the first sleeve (2), a first annular groove (1-1) is arranged on the upper side surface of the hammer handle (1), and the annular protrusion can be rotatably clamped in the first annular groove (1-1) to limit that the first sleeve (2) can only rotate along the axial direction of the hammer handle; screw holes are formed in the wall of the second sleeve (3), a locking screw (3-2) is arranged in each screw hole, a T-shaped sliding groove (1-2) is further formed in the side face of the hammer handle (1), the T-shaped sliding groove (1-2) is located below the first annular groove (1-1), the T-shaped sliding groove (1-2) is composed of a half annular groove (1-21) and a longitudinal sliding groove (1-22) which are communicated, and the locking screw (3-2) can be inserted into the half annular groove (1-21) and the longitudinal sliding groove (1-22).

3. A multifunctional percussion hammer according to claim 2, characterized in that the second sleeve (3) is provided with an anti-slip rubber ring (3-1).

4. A multifunctional percussion hammer according to claim 3, characterized in that a light switch (9) is arranged at the upper end of the hammer handle (1), and the light switch (9) is connected with the illuminating lamp (5) and is used for controlling the opening and closing of the illuminating lamp (5).

5. The multifunctional percussion hammer according to claim 4, characterized in that a battery groove (11) is arranged in the hammer handle (1), a battery is arranged in the battery groove (11), and the battery is connected with the illuminating lamp (5) through a lead (10).

6. The multifunctional percussion hammer according to claim 5, characterized in that the upper end of the hammer handle (1) is detachably provided with a battery cover, the battery cover is mounted at the upper end opening of the hammer handle (1) in a threaded manner, and the battery is mounted by opening the battery cover; the lamp switch (9) and the metal protrusion (12) are arranged on the battery cover; the metal protrusion (12) is a hollow semi-cone with a blunt tip.

7. The multifunctional percussion hammer according to claim 1, wherein a plurality of arc grooves (6-31) are formed in the lower surface of the first disc (6-3), a sliding connection portion (6-21) is arranged on the needle body (6-2), the upper end of the sliding connection portion (6-21) is movably clamped in the arc grooves (6-31), and the sliding connection portion (6-21) can move along a track defined by the arc grooves (6-31) and drive the needle body (6-2) to reciprocate linearly in the needle groove (6-41) along the radial direction of the second disc (6-4) when the first disc (6-3) and the second disc (6-4) relatively rotate, so that the needle body (6-2) can extend and retract.

8. A multifunctional percussion hammer according to any one of claims 1-7, characterized in that the first hammer head (4-1) is coaxially provided with a mounting space, the second hammer head (4-2) being provided in the mounting space by means of a conversion mechanism configured to extend and retract the second hammer head (4-2) from the mounting space for conversion of large and small hammer heads.

9. The multifunctional percussion hammer according to claim 8, characterized in that the first hammer head (4-1) comprises a connecting seat (4-11), a pushing part (4-12) and a hammer barrel section (4-13), the pushing part (4-12) is coaxially and fixedly arranged on the connecting seat (4-11), and the connecting seat (4-11) is fixedly connected to the outer wall of the hammer handle (1); the hammer cylinder section (4-13) is sleeved on the pushing part (4-12); the pushing part (4-12) is of a hollow structure, two parallel track holes (4-12 a) are formed in the side wall of the pushing part (4-12), and the track holes (4-12 a) are arranged parallel to the axis of the pushing part (4-12); two sliding protrusions (4-21) are arranged on the side wall of the second hammer head (4-2), the second hammer head (4-2) is arranged in the pushing part (4-12), and the two sliding protrusions (4-21) are slidably arranged in the track hole (4-12 a) and protrude out of the side wall surface of the pushing part (4-12); a spiral chute (4-13 a) is arranged on the inner wall of the hammer cylinder section (4-13), and the sliding protrusion (4-21) is movably arranged in the spiral chute (4-13 a); the sliding bulge (4-21), the pushing part (4-12) and the spiral chute (4-13 a) form the conversion mechanism; extension and retraction of the second ram (4-2) is achieved by rotating the ram section (4-13) counter-clockwise and clockwise.

10. The multifunctional percussion hammer according to claim 9, characterized in that the start and end of the track hole (4-12 a) are provided with two clamping grooves (4-12 b), the clamping grooves (4-12 b) are perpendicular to the track hole (4-12 a), and the track hole (4-12 a) and the clamping grooves (4-12 b) at both ends form a zigzag structure.