阅读说明：本技术 一种神经内科康复辅助治疗刺激装置 (Recovered adjunctie therapy stimulation device of department of neurology ) 是由 田海娃 吴建美 李国会 于 2020-04-26 设计创作，主要内容包括：一种神经内科康复辅助治疗刺激装置,包括盒体,盒体的顶侧固定连接横管的底侧,横管的底部开设与盒体内部相通的条形滑槽,条形滑槽内分别活动安装仅能够左右移动的第一条形齿条与第二条形齿条,大齿轮与第三齿轮通过偶数个传动齿轮传动连接；盒体底侧的左侧开设第一透槽,拨杆的上端固定安装第一弧形齿条,拨杆上部的右侧设有与盒体固定连接的限位块,盒体底侧的右侧固定连接握柄的上端。本发明结构简单,构思巧妙,将传统的叩诊锤设计成手枪的形状,便于把持,且更加便于对准敲击点,通过模拟扣动手枪的动作便能够完成敲击,且敲击力能够递增,对敲击力度的掌握要求较低,便于普及,能够满足市场需求,适合推广。(A neurological rehabilitation auxiliary treatment stimulation device comprises a box body, wherein the top side of the box body is fixedly connected with the bottom side of a transverse pipe, the bottom of the transverse pipe is provided with a strip-shaped sliding groove communicated with the interior of the box body, a first strip-shaped rack and a second strip-shaped rack which can only move left and right are movably installed in the strip-shaped sliding groove respectively, and a large gear is in transmission connection with a third gear through even transmission gears; a first through groove is formed in the left side of the bottom side of the box body, a first arc-shaped rack is fixedly mounted at the upper end of the shifting rod, a limiting block fixedly connected with the box body is arranged on the right side of the upper portion of the shifting rod, and the right side of the bottom side of the box body is fixedly connected with the upper end of a grab handle. The traditional percussion hammer is designed into a pistol shape, is convenient to hold and align with a percussion point, can complete percussion by simulating the action of fastening the pistol, can increase the percussion force, has low mastering requirement on the percussion force, is convenient to popularize, can meet market requirements, and is suitable for popularization.)

1. The utility model provides a recovered adjunctie therapy stimulation device of department of neurology which characterized in that: comprises a box body (1), the top side of the box body (1) is fixedly connected with the bottom side of a transverse pipe (2), the bottom of the transverse pipe (2) is provided with a bar-shaped chute (3) communicated with the inside of the box body (1), the bar-shaped chute (3) is internally and movably provided with a first bar-shaped rack (4) and a second bar-shaped rack (5) which can only move left and right respectively, the left end of the transverse pipe (2) is internally and fixedly provided with a first sliding sleeve (6), the first sliding sleeve (6) is internally and movably provided with a polished rod (7), the inner end of the polished rod (7) is fixedly connected with the first bar-shaped rack (4), all optical axes (8) are arranged in the right part of the transverse pipe (2), the optical axes (8) are connected with the transverse pipe (2), the periphery of the optical axes (8) is sleeved with two second sliding sleeves (9), the adjacent sides of the two second sliding sleeves (9) are fixedly connected with a first spring (10) sleeved on the, a baffle (11) is fixedly installed on the bottom side of a second sliding sleeve (9) on the left side, the left side of the baffle (11) is in sliding contact fit with the right side of a first strip-shaped rack (4), a first gear (12) is arranged on the bottom side of the first strip-shaped rack (4) in a meshing fit mode, a coaxial second gear (13) is installed on the rear side of the first gear (12) in a rotating mode through a one-way bearing, the rear side of the second gear (13) is connected with a corresponding inner wall bearing of the box body (1), a coaxial third gear (14) is installed on the front side of the first gear (12) in a rotating mode through a one-way bearing, a fourth gear (15) is arranged on the bottom side of the second strip-shaped rack (5) in a meshing fit mode, a coaxial large gear (16) is fixedly installed on the rear side of the fourth gear (15), the rear side of the large gear (16) is connected with the corresponding inner wall of the box body (1) in a rotating mode; first groove (18) of passing through is seted up in the left side of box body (1) bottom side, pass through the articulated middle part of connecting driving lever (19) of torsional spring in first groove (18) of passing through, the first arc rack (20) of upper end fixed mounting of driving lever (19), first arc rack (20) and second gear (13) meshing cooperation, the axis of articulated shaft between driving lever (19) and first groove (18) of passing through is collinear with the axis of first arc rack (20) place circle, the right side on driving lever (19) upper portion is equipped with stopper (21) with box body (1) fixed connection, the upper end of the right side fixed connection grab handle (22) of box body (1) bottom side.

2. The neurological rehabilitation-assisted stimulation device according to claim 1, characterized in that: the rightmost side the middle bearing of transmission gear (17) front side connect the rear side of first spring beam (30), the front end and box body (1) fixed connection of first spring beam (30), the middle part of box body (1) bottom side is seted up second and is passed through groove (31), montant (32) that the interior movable mounting of second passes through groove (31) can only the back-and-forth movement, the rear end fixed connection of the upper end and first spring beam (30) of montant (32).

3. The neurological rehabilitation-assisted stimulation device according to claim 1, characterized in that: optical axis (8) both ends on top side respectively through second spring rod (40) and the top side fixed connection of violently managing (2), the right-hand member fixed mounting third bar rack (41) of optical axis (8), the right side meshing cooperation of third bar rack (41) is equipped with and violently manages (2) rotation fifth gear (42) of being connected, the bottom side meshing cooperation of fifth gear (42) is equipped with second arc rack (43), the middle part of connecting rod (44) is connected in the articulated upper end on grab handle (22) right side, the upper end and the second arc rack (43) fixed connection of connecting rod (44), the axis of articulated shaft and the axis collineation of second arc rack (43) place circle between grab handle (22) and connecting rod (44).

4. The neurological rehabilitation-assisted stimulation device according to claim 1, characterized in that: the top side of the transverse pipe (2) is provided with a strip-shaped through groove (50), a pointer (51) is movably mounted in the strip-shaped through groove (50), the lower end of the pointer (51) is fixedly connected with the second sliding sleeve (9) on the right side, and the top side of the transverse pipe (2) is provided with length scale marks along the strip-shaped sliding groove (50).

5. The neurological rehabilitation-assisted stimulation device according to claim 1, characterized in that: the left end of polished rod (7) be located the right-hand member of outside fixed connection lead screw (60) of violently managing (2), right side screw thread installation screw (61) of lead screw (60) periphery, the coaxial sleeve pipe (62) of suit in proper order of the left side suit several of lead screw (60) periphery, the adjacent side sliding contact cooperation of sleeve pipe (62), innermost sleeve pipe (62) and lead screw (60) fixed connection, the right side of the sleeve pipe (62) in the outside is connected with the left side bearing of screw (61), bar groove (63) are seted up respectively to the periphery of the inboard adjacent sleeve pipe (62) of sleeve pipe (62), movable mounting slider (64) are respectively passed through second spring (65) fixed connection in bar groove (63), the right side of slider (64) and the right side of bar groove (63) are respectively, the elasticity of inside to outside second spring (65) increases gradually, the left end of sleeve pipe (62) and the left end of lead screw (60) form hemisphere curved surface.

6. The neurological rehabilitation-assisted stimulation device according to claim 2, characterized in that: the upper end of the front side of the grab handle (22) is provided with a strip-shaped groove (70), the left side of the strip-shaped groove (70) is communicated with the outside, the front side of the strip-shaped groove (70) is provided with a cross rod (71), and the left end of the cross rod (71) is fixedly connected with the lower end of a vertical rod (32).

Technical Field

The invention belongs to the field of medical instruments in nerves, and particularly relates to a neurological rehabilitation auxiliary treatment stimulation device.

Background

In-process of amazing treatment is carried out to department of neurology in hospital, often can use the hammer that has the sense of touch thorn to stimulate the treatment to some patients that feel less acute, need the dynamics that the doctor increased gradually and strike at this in-process, judge the nervous sensitivity of patient, and the increase of dynamics is not convenient for master, and it is difficult to maintain always in the change of dynamics to use the point of striking when percussion hammer strikes, lead to the inspection to have great difference, thereby can't satisfy the actual demand, so, we have invented a recovered adjunctie therapy stimulation device of department of neurology.

Disclosure of Invention

The invention provides a neurological rehabilitation auxiliary treatment stimulation device, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a neurological rehabilitation auxiliary treatment stimulation device comprises a box body, wherein the top side of the box body is fixedly connected with the bottom side of a transverse pipe, the bottom of the transverse pipe is provided with a strip-shaped sliding groove communicated with the interior of the box body, a first strip-shaped rack and a second strip-shaped rack which can only move leftwards and rightwards are movably installed in the strip-shaped sliding groove respectively, a first sliding sleeve is fixedly installed in the left end of the transverse pipe, a polished rod is movably installed in the first sliding sleeve, the inner end of the polished rod is fixedly connected with the first strip-shaped rack, all optical axes in the right part of the transverse pipe are connected with the transverse pipe, two second sliding sleeves are sleeved on the periphery of the optical axes, the adjacent sides of the two second sliding sleeves are fixedly connected through a first spring sleeved on the periphery of the optical axes, the second sliding sleeve on the right side is fixedly connected with the second strip-shaped rack, a baffle is fixedly installed on the bottom side of the, a coaxial second gear is rotatably mounted on the rear side of the first gear through a one-way bearing, the rear side of the second gear is connected with an inner wall bearing corresponding to the box body, a coaxial third gear is rotatably mounted on the front side of the first gear through a one-way bearing, a fourth gear is arranged on the bottom side of the second strip-shaped rack in a meshing and matching manner, a coaxial large gear is fixedly mounted on the rear side of the fourth gear, the rear side of the large gear is rotatably connected with the inner wall corresponding to the box body through a one-way bearing, and the large gear is in transmission connection with the third gear through an even number of transmission gears; the left side of box body bottom side is seted up first groove of passing through, and the first middle part of passing through the articulated connecting driving lever of torsional spring in the groove that passes through, the first arc rack of upper end fixed mounting of driving lever, first arc rack and the meshing cooperation of second gear, the axis collineation of articulated shaft axis and the first arc rack place circle between driving lever and the first groove that passes through, the right side on driving lever upper portion be equipped with box body fixed connection's stopper, the upper end of the right side fixed connection grab handle of box body bottom side.

As above recovered adjunctie therapy stimulation device of department of neurology, rightmost side the middle bearing of drive gear front side connect the rear side of first spring beam, the front end and the box body fixed connection of first spring beam, the middle part of box body bottom side is seted up the second and is passed through the groove, the second passes through the interior movable mounting of groove and only can the back-and-forth movement the montant, the upper end of montant and the rear end fixed connection of first spring beam.

As above recovered adjunctie therapy stimulation device of department of neurology, the both ends of optical axis top side respectively through second spring rod and the top side fixed connection of violently managing, the right-hand member fixed mounting third bar rack of optical axis, the right side meshing cooperation of third bar rack is equipped with and violently manages the fifth gear of being connected with the rotation, the bottom side meshing cooperation of fifth gear is equipped with second arc rack, the articulated middle part of connecting rod is connected in the upper end on grab handle right side, the upper end and the second arc rack fixed connection of connecting rod, the axis of articulated shaft and the axis collineation of second arc rack place circle between grab handle and the connecting rod.

As above-mentioned recovered adjunctie therapy stimulation device of department of neurology, the top side of violently managing set up the bar and pass through the groove, the bar passes through the inslot movable mounting pointer of groove, the lower extreme and the second sliding sleeve fixed connection on right side of pointer, the top side of violently managing sets up the length scale mark along the bar spout.

As above a recovered adjunctie therapy stimulation device of department of neurology, the left end of polished rod be located the right-hand member of the outside fixed connection lead screw of violently managing, the right side screw thread installation screw of lead screw periphery, the coaxial sleeve pipe of the left side suit several of lead screw periphery suit in proper order, the adjacent side sliding contact cooperation of sleeve pipe, the sleeve pipe and the lead screw fixed connection of innermost, the sheathed tube right side in the outside is connected with the left side bearing of screw, the bar groove is seted up respectively to the inboard adjacent sheathed tube periphery of sleeve pipe, the bar inslot is movable mounting slider respectively, the right side of slider and the right side in bar groove are respectively through second spring fixed connection, the elasticity of second spring from inside to outside increases gradually, sheathed tube left end forms half spherical curved surface with the left end of lead screw.

As above mentioned a recovered adjunctie therapy stimulation device of department of neurology, the upper end of grab handle front side set up the bar recess, the left side and the outside of bar recess communicate with each other, the front side of bar recess is equipped with the horizontal pole, the left end of horizontal pole and the lower extreme fixed connection of montant.

The invention has the advantages that: the traditional percussion hammer is designed into a pistol shape, is convenient to hold and align with a percussion point, can complete percussion by simulating the action of fastening the pistol, can increase the percussion force, has low mastering requirement on the percussion force, is convenient to popularize, can meet market requirements, and is suitable for popularization. When the invention is used, the grab handle is held by hand, the left end of the polished rod is aligned with the knocking point, then the lower end of the poking rod is knocked by fingers, the torsion spring starts to store energy, the poking rod rotates along the hinge shaft between the poking rod and the first through groove in an anticlockwise way, the poking rod drives the second gear to rotate through the first arc-shaped rack, the second gear drives the first gear to rotate through the one-way bearing, the first gear drives the first strip-shaped rack to move rightwards along the strip-shaped sliding groove, the first strip-shaped rack drives the polished rod to move rightwards, the first strip-shaped rack pushes the baffle and the second sliding sleeve on the left side to move rightwards, the first spring is compressed until the first arc-shaped rack is separated from the second gear, the first strip-shaped rack moves rightwards under the elastic thrust action of the first spring, the polished rod starts to knock for the first time, the first strip-shaped rack drives, the right side of driving lever and the left side contact cooperation of stopper, at the in-process that first bar rack moved to the right, first gear passes through one-way bearing and drives the third gear rotation, the third gear passes through drive gear and drives the gear wheel, fourth gear antiport, the fourth gear drives second bar rack, the second sliding sleeve on right side moves left along the bar spout, first spring is compressed, can't drive third gear rotation through one-way bearing when first gear antiport, the gear wheel can't forward rotation under one-way bearing's effect simultaneously, thereby avoid second bar rack to move to the right and reset, make first spring constantly compressed, make the power of pounding of polished rod left end constantly increase.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; fig. 3 is a partial enlarged view of ii of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A neurological rehabilitation auxiliary treatment stimulation device comprises a box body 1, wherein the top side of the box body 1 is fixedly connected with the bottom side of a transverse pipe 2, the bottom of the transverse pipe 2 is provided with a strip-shaped sliding groove 3 communicated with the interior of the box body 1, a first strip-shaped rack 4 and a second strip-shaped rack 5 which can only move left and right are respectively and movably arranged in the strip-shaped sliding groove 3, a first sliding sleeve 6 is fixedly arranged in the left end of the transverse pipe 2, a polished rod 7 is movably arranged in the first sliding sleeve 6, the inner end of the polished rod 7 is fixedly connected with the first strip-shaped rack 4, all optical axes 8 in the right part of the transverse pipe 2 are connected with the transverse pipe 2, two second sliding sleeves 9 are sleeved on the periphery of the optical axes 8, the adjacent sides of the two second sliding sleeves 9 are fixedly connected through a first spring 10 sleeved on the periphery of the optical axes 8, the second sliding sleeve 9 on the right side is fixedly, the left side of the baffle 11 is in sliding contact fit with the right side of the first strip-shaped rack 4, the bottom side of the first strip-shaped rack 4 is engaged and fitted with a first gear 12, the rear side of the first gear 12 is rotatably provided with a coaxial second gear 13 through a one-way bearing, the rear side of the second gear 13 is in bearing connection with the corresponding inner wall of the box body 1, the front side of the first gear 12 is rotatably provided with a coaxial third gear 14 through a one-way bearing, the bottom side of the second strip-shaped rack 5 is engaged and fitted with a fourth gear 15, the rear side of the fourth gear 15 is fixedly provided with a coaxial bull gear 16, the rear side of the bull gear 16 is rotatably connected with the corresponding inner wall of the box body 1 through a one-way bearing, the bull gear 16 is in transmission connection with the third gear 14 through an even number of transmission gears 17, the adjacent transmission gears 17 are engaged and fitted with each other, the third gear 14, the transmission gears 17 are respectively connected with the box body 1 in a rotating way; first groove 18 that passes through is seted up in the left side of 1 bottom side of box body, first groove 18 that passes through is interior through the articulated middle part of connecting driving lever 19 of torsional spring, the first arc rack 20 of upper end fixed mounting of driving lever 19, first arc rack 20 and the meshing cooperation of second gear 13, the axis of the articulated shaft between driving lever 19 and the first groove 18 that passes through is collinear with the axis of the circle that first arc rack 20 is located, the right side on driving lever 19 upper portion be equipped with box body 1 fixed connection's stopper 21, the upper end of the right side fixed connection grab handle 22 of box body 1 bottom side. The traditional percussion hammer is designed into a pistol shape, is convenient to hold and align with a percussion point, can complete percussion by simulating the action of fastening the pistol, can increase the percussion force, has low mastering requirement on the percussion force, is convenient to popularize, can meet market requirements, and is suitable for popularization. When the invention is used, the grab handle 22 is held by hand, the left end of the polished rod 7 is aligned with a knocking point, then the lower end of the shift lever 19 is knocked by fingers, the torsion spring starts to store energy, the shift lever 19 rotates along a hinge shaft between the shift lever 19 and the first through groove 18 in an anticlockwise mode, the shift lever 19 drives the second gear 13 to rotate through the first arc-shaped rack 20, the second gear 13 drives the first gear 12 to rotate through the one-way bearing, the first gear 12 drives the first strip-shaped rack 4 to move rightwards along the strip-shaped sliding groove 3, the first strip-shaped rack 4 drives the polished rod 7 to move rightwards, the first strip-shaped rack 4 pushes the baffle plate 11 and the second slide sleeve 9 on the left side to move rightwards, the first spring 10 is compressed until the first arc-shaped rack 20 is separated from the second gear 13, the first strip-shaped rack 4 moves rightwards under the elastic thrust action of the first spring 10, the, The second gear 13 rotates to loosen the lower end of the deflector rod 19, the deflector rod 19 rotates clockwise to reset under the action of the elastic tension of the torsion spring, the right side of the deflector rod 19 is in contact fit with the left side of the limiting block 21, in the process that the first strip-shaped rack 4 moves rightwards, the first gear 12 drives the third gear 14 to rotate through the one-way bearing, the third gear 14 drives the large gear 16 and the fourth gear 15 to rotate reversely through the transmission gear 17, the fourth gear 15 drives the second strip-shaped rack 5 and the second sliding sleeve 9 on the right side to move leftwards along the strip-shaped sliding groove 3, the first spring 10 is compressed, when the first gear 12 rotates reversely, the third gear 14 cannot be driven to rotate by the one-way bearing, and simultaneously, the large gear 16 cannot rotate in the forward direction under the action of the one-way bearing, thereby avoiding the rightwards movement resetting of the second strip-shaped rack 5, enabling the first spring 10 to be continuously compressed and the knocking force of the left end of the polished rod 7 to be continuously increased.

Specifically, as shown in the figure, the middle bearing at the front side of the transmission gear 17 described at the rightmost side of the embodiment is connected to the rear side of the first spring rod 30, the front end of the first spring rod 30 is fixedly connected to the box body 1, the middle part of the bottom side of the box body 1 is provided with a second through groove 31, a vertical rod 32 which can only move back and forth is movably installed in the second through groove 31, and the upper end of the vertical rod 32 is fixedly connected to the rear end of the first spring rod 30. When the right handle is used for holding the handle 22, the lower end of the vertical rod 32 is pushed backwards by the thumb, the upper end of the vertical rod 32 drives the rear end of the first spring rod 30 and the rightmost transmission gear 17 to move backwards, the first spring rod 30 is stretched, the rightmost transmission gear 17 is separated from the adjacent transmission gear 17 and keeps meshed and matched with the large gear 16, the shift lever 19 is continuously shifted at the moment, and the second strip-shaped rack 5 does not continuously move leftwards any longer, so that the knocking force of the left end of the polished rod 7 can be kept unchanged, repeated knocking under the knocking force is facilitated, and verification is facilitated; the lower end of the vertical rod 32 is loosened, the vertical rod 32 is provided with the rightmost transmission gear 17 to move forwards to reset under the action of elastic tension of the first spring rod 30, and the rightmost transmission gear 17 is in meshing fit with the corresponding transmission gear 17 and the large gear 16.

Specifically, as shown in the figure, two ends of the top side of the optical axis 8 described in this embodiment are respectively fixedly connected to the top side of the horizontal tube 2 through the second spring rod 40, the right end of the optical axis 8 is fixedly mounted with the third bar-shaped rack 41, the right side of the third bar-shaped rack 41 is engaged and matched with the fifth gear 42 rotatably connected to the horizontal tube 2, the bottom side of the fifth gear 42 is engaged and matched with the second arc-shaped rack 43, the upper end on the right side of the grab handle 22 is hinged to the middle of the connecting rod 44, the upper end of the connecting rod 44 is fixedly connected to the second arc-shaped rack 43, and the axis of the hinge shaft between the grab handle 22 and the connecting rod 44 is collinear with. When the grab handle 22 is held, the palm can form leftward thrust on the lower part of the connecting rod 44, so that the connecting rod 44 rotates clockwise along the hinge shaft between the connecting rod 44 and the grab handle 22, the second arc-shaped rack 43 drives the fifth gear 42 to rotate, the fifth gear 42 drives the optical axis 8 to move downwards through the third strip-shaped rack 41, the optical axis 8 drives the second strip-shaped rack 5 to move downwards through the second sliding sleeve 9 on the right side, so that the second strip-shaped rack 5 is meshed with the fourth gear 15, the optical axis 8 drives the baffle plate 11 to move downwards through the second sliding sleeve 9 on the left side, the left side of the baffle plate 11 slides downwards along the right side of the first strip-shaped rack 4, and the second spring rod 40 is stretched; when the grab handle 22 is loosened, the above processes are performed in a reverse order, the second strip-shaped rack 5 is separated from the fourth gear 15, the fourth gear 15 is contacted with the limit of the second strip-shaped rack 5, the second strip-shaped rack 5 is reset under the elastic action of the first spring 10, the right side of the second strip-shaped rack 5 is in contact fit with the right side of the strip-shaped chute 3, the knocking force of the left end of the polish rod 7 is recovered to be lowest, the phenomenon that the knocking force is used for the last time and is too large to be directly used continuously is avoided, and therefore injury to subsequent users is avoided.

Further, as shown in the figure, the top side of the horizontal tube 2 according to the embodiment is provided with a strip-shaped transparent groove 50, a pointer 51 is movably installed in the strip-shaped transparent groove 50, the lower end of the pointer 51 is fixedly connected with the second sliding sleeve 9 on the right side, and the top side of the horizontal tube 2 is provided with length scale marks along the strip-shaped sliding groove 50. When the second sliding sleeve 9 on the right side moves left and right, the pointer 51 can be driven to move left and right along the strip-shaped through groove 50, and the energy storage size of the first spring 10 and the knocking force of the left end of the polish rod 7 can be reflected through the position of the length scale mark where the pointer 51 is located.

Further, as shown in the figure, the left end of the polish rod 7 described in this embodiment is located at the right end of the external fixed connection screw rod 60 of the horizontal pipe 2, the screw 61 is installed on the right side of the periphery of the screw 60 by threads, the plurality of coaxial sleeves 62 sleeved in sequence are sleeved on the left side of the periphery of the screw 60, the sleeves 62 are in sliding contact with and fit with each other on adjacent sides, the innermost sleeve 62 is fixedly connected with the screw 60, the right side of the outermost sleeve 62 is connected with the left side bearing of the screw 61, the outer peripheries of the adjacent sleeves 62 on the inner sides of the sleeves 62 are respectively provided with a strip-shaped groove 63, a slider 64 is movably installed in the strip-shaped groove 63, the right side of the slider 64 and the right side of the strip-shaped groove 63 are respectively fixedly connected with each other through a second spring 65, the elasticity of the second spring. When the screw 61 is screwed, the screw 61 can move left and right along the screw rod 60, when the screw 61 moves right, the outer sleeve 62 moves right along the inner adjacent sleeve 62, the slide block 64 moves along the corresponding strip-shaped groove 63, the second spring 65 is compressed, the sleeve 62 can move right gradually from outside to inside, the left area of the hemispherical curved surface is reduced, and the size of the knocking force can be further increased.

Furthermore, as shown in the drawings, the upper end of the front side of the handle 22 according to the embodiment is provided with a bar-shaped groove 70, the left side of the bar-shaped groove 70 is communicated with the outside, the front side of the bar-shaped groove 70 is provided with a cross bar 71, and the left end of the cross bar 71 is fixedly connected with the lower end of the vertical bar 32. The cross bar 71 can be pressed into the bar groove 70, so that the vertical bar 32 moves backwards, the stressed area of the lower end of the vertical bar 32 can be increased, and the vertical bar 32 can be pressed backwards conveniently.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.