CN112842399B

CN112842399B - Percussion hammer with switchable hammerheads for neurology department and use method thereof

Info

Publication number: CN112842399B
Application number: CN202110010396.8A
Authority: CN
Inventors: 张鹏博; 崔敏
Original assignee: Jiangsu Xianyue Material Technology Co ltd
Current assignee: Jiangsu Xianyue Material Technology Co ltd
Priority date: 2021-01-06
Filing date: 2021-01-06
Publication date: 2022-08-26
Anticipated expiration: 2041-01-06
Also published as: CN112842399A

Abstract

The invention provides a percussion hammer with switchable hammerheads for neurology department and a using method thereof, and belongs to the technical field of medical instruments. It has been solved current percussion hammer and has probably used the tup of different area sizes to the detection of the neural reflex condition in different positions, and the doctor need carry out the change of tup for the inspection is very loaded down with trivial details, time-consuming, and to novice doctor, because nervous when using can not obtain fine the control to the dynamics of knocking, probably can make patient feel painful problem. This percussion hammer of changeable tup for neurology department, including the handle, it settles the chamber to inject in the handle, the right-hand member face of handle has linked firmly the casing that the lower extreme is equipped with the recess, it has rain to inject in the casing settle the wire chamber that the chamber is linked together, be equipped with glide machanism in the casing, the glide machanism lower extreme is equipped with the mechanism of hanging down. This percussion hammer of changeable tup for neurology department uses more convenient, save time, and stability is higher.

Description

Percussion hammer with switchable hammer heads for neurology department and using method of percussion hammer

Technical Field

The invention belongs to the technical field of medical instruments, and relates to a percussion hammer with switchable hammer heads for neurology department and a using method thereof.

Background

Percussion hammer is as the detection instrument that a commonly used among the neurology department, the doctor can utilize the percussion hammering to beat the different positions of patient's health, and then observe the human stress response of beating in order to reach the purpose of diagnosis disease, although current percussion hammer can realize above-mentioned function, nevertheless detect at the doctor, the tup of different area sizes may be used in the detection of the neural reflex condition in different positions, the doctor need carry out the change of tup, make the inspection very loaded down with trivial details, take time, and to novice doctor, because nervous when using the percussion hammer can't get fine control to the dynamics of knocking, can make patient feel painful.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a percussion hammer with a switchable hammer head for neurology department and a using method thereof.

The purpose of the invention can be realized by the following technical scheme: the utility model provides a percussion hammer of changeable tup for neurology department, includes the handle, it settles the chamber to inject in the handle, the right-hand member face of handle has linked firmly the casing that the lower extreme is equipped with the recess, it has rain to inject in the casing settle the wire chamber that the chamber is linked together, be equipped with glide machanism in the casing, the glide machanism lower extreme is equipped with the mechanism of hanging down, be equipped with control in the glide machanism the trigger mechanism that the mechanism of hanging down switches over, be equipped with the power unit of this percussion hammer operation of drive in the handle, it is equipped with the drive to settle the intracavity the stop gear of trigger mechanism operation.

When using this device, the handle is held, press power unit, trigger glide machanism through power unit and hold the power, power unit and stop gear carry out preliminary contact simultaneously, wait to loosen behind the power unit, the glide machanism who holds the power can drive the tup mechanism and hit the patient, accomplish neural the detection, when the power that power unit provided reaches a definite value, power unit can start trigger mechanism and move, control the tup mechanism through trigger mechanism and carry out the tup and switch, stop gear carries on spacingly to the first spin of power unit rack side end face simultaneously, ensure the switching time of tup mechanism.

Preferably, the power mechanism comprises two clamping grooves formed in the handle, a button is connected in the two clamping grooves in a sliding manner, a first compression spring is fixedly connected between the part of the button located in each clamping groove and the bottom end of the clamping groove, two second compression springs are fixedly connected between the lower end surface of the button and the upper end surface of the handle, a rack extending into the placement cavity is fixedly connected between the two second compression springs on the lower end surface of the button, a U-shaped groove is formed in the left end of the rack, a first rolling ball is connected in the U-shaped groove in a sliding manner, a third compression spring is fixedly connected between the first rolling ball and the bottom end of the U-shaped groove, a gear shaft is rotatably connected between the inner walls of the front side and the rear side of the placement cavity, a gear meshed with the rack is sleeved on the gear shaft, and a reel is sleeved on the gear shaft and positioned behind the gear shaft, the reel is wound with a first cord.

When the percussion hammer is used, the handle is held by hand and the button is pressed towards the direction close to the handle, when the button slides, on one hand, the two second compression springs and the two first compression springs are compressed to accumulate force, on the other hand, the button drives the rack to enter the placing cavity to be meshed with the gear, and according to the difference of the meshing tooth numbers of the rack and the gear, the gear controls the reel to wind first ropes with different lengths through the gear shaft, so that the first ropes are controlled to provide power with different sizes for the operation of the sliding mechanism, and the beating force of the hammer mechanism is controlled to be different in size when the hammer mechanism beats each time;

the rack moves down the in-process simultaneously with stop gear contact, and when power that power unit provided reached a definite value, power unit can start trigger mechanism and move, and stop gear is spacing to the first spin of power unit rack side end face simultaneously, ensures the switching time of tup mechanism.

Preferably, the limiting mechanism comprises a limiting sliding groove fixedly arranged on the inner wall of the lower side of the placement cavity, a limiting sliding plate matched with the rack is connected in the limiting sliding groove in a sliding manner, a fourth compression spring is fixedly connected between the limiting sliding plate and the bottom end of the limiting sliding groove, a first arc-shaped groove matched with the first rolling ball of the power mechanism is formed in the inner wall of the left side of the limiting sliding plate, a first telescopic cylinder is arranged on the left side of the first arc-shaped groove in the end wall of the left side of the limiting sliding plate, a sliding plate is connected in the first telescopic cylinder in a sliding manner, a first telescopic rod penetrating through the first arc-shaped groove is fixedly connected on the right end face of the sliding plate, a sliding rail is formed in the left end of the first telescopic rod, a push rod is connected in the sliding manner, a fifth compression spring is fixedly connected between the push rod and the bottom end of the sliding rail, and four second arc-shaped grooves are formed in the push rod, four two liang of a set of distributions of second arc wall are in the upper and lower both ends face of push rod, it is two sets of the push rod is upper and lower symmetric distribution about the central line of push rod, the right-hand member face of first telescopic link be equipped with two with the spacing subassembly of second arc wall matched with, spacing subassembly is including fixed the setting the locating piece of first telescopic link right-hand member face, it is connected with the pivot to rotate on the locating piece, the cover is equipped with in the pivot with second arc wall matched with gag lever post, the gag lever post with link firmly the torsional spring that can make the gag lever post reset between the pivot.

Initially, a rack of the power mechanism extrudes the limiting sliding plate to slide in the limiting sliding groove, a fourth compression spring between the limiting sliding plate and the bottom end of the limiting sliding groove is compressed to store force in the sliding process of the limiting sliding plate, the limiting rod is positioned on the push rod and is close to the second arc-shaped groove of the first telescopic rod, and the position of the push rod is limited through the limiting rod;

when the power provided by the power mechanism reaches a certain value, namely a first rolling ball of the power mechanism enters a first arc-shaped groove, and the first rolling ball preferentially contacts with a push rod when entering the first arc-shaped groove, the first rolling ball pushes the push rod to slide towards the inside of a slide rail, in the sliding process of the push rod, on one hand, the limit rod is controlled to slide out of a second arc-shaped groove close to a first telescopic rod and compress a fifth compression spring to store force, on the other hand, the push rod drives the first telescopic rod to push a sliding plate to slide towards the inside of the first telescopic cylinder and enables the limit rod to contact with a second arc-shaped groove far away from the first telescopic rod, the push rod is limited again through the limit rod, at the moment, the power mechanism can drive a trigger mechanism to operate, and the trigger mechanism controls a hammer mechanism to switch hammers;

after the switching of the hammer mechanism is completed, the power mechanism is cancelled and pressed, at the moment, the fourth compression spring resets and pushes the limiting sliding plate to upwards slide in the limiting sliding groove, the rack of the power mechanism is pushed out, meanwhile, the compressed fifth compression spring resets and pushes the push rod to slide towards the outside of the sliding rail, the push rod is enabled to apply thrust far away from the direction of the first telescopic rod to the first rolling ball, and under the action of the push rod thrust, the first rolling ball is controlled to better slide out from the first arc-shaped groove.

Preferably, the sliding mechanism comprises first slide ways respectively arranged on the inner walls of the left side and the right side of the groove of the shell, each first slide way is connected with a first slide block in a sliding manner, a first extension spring is fixedly connected between each first slide block and the bottom end of the first slide way, a first connecting block with a groove at the lower end is fixedly connected between the two first slide blocks, two sixth compression springs are fixedly connected between the upper end surface of the first connecting block and the inner wall of the upper side of the shell, two supporting blocks are fixedly connected between the two sixth compression springs on the upper end surface of the first connecting block, the two supporting blocks are symmetrically distributed in the left-right direction around the central line of the first connecting block, a second slide way is respectively arranged in each supporting block, a second slide block is connected in a sliding manner in each second slide way, and a seventh compression spring is fixedly connected between each second slide block and the inner wall of the upper side of the supporting block, a supporting plate is fixedly connected between the two second sliding blocks, a first rope of the power mechanism passing through the wire cavity is fixedly connected to the upper end face of the supporting plate, and three guide wheels for guiding the first rope are rotatably connected in the wire cavity.

When the second sliding block slides in the second slide way for a certain distance, the second sliding block can apply upward tension to the first connecting block through the supporting block, the first connecting block drives the first sliding block to slide upwards in the first slide way under the action of external force, the first connecting block compresses two sixth compression springs to store the force on one hand, and stretches and stores the force on the other hand through the first sliding block, and meanwhile, the first connecting block drives the hammer head mechanism to slide towards the direction close to the shell;

after loosening power unit, two sixth compression springs of compressed and two first extension springs by tensile reset simultaneously, drive first connecting block and move down at the recess of casing, drive tup mechanism through first connecting block and hit the patient to the realization is to patient's nervous system's detection.

Preferably, the hammer mechanism comprises a second connecting block fixedly arranged on the lower end face of the first connecting block, the lower end face of the second connecting block is fixedly connected with a first hydraulic cylinder, the lower end face of the first hydraulic cylinder is fixedly connected with a first hammer, two hammer components are slidably connected in the first hydraulic cylinder, the two hammer components are symmetrically distributed on the left and right of the central line of the first hydraulic cylinder, each hammer component comprises a first hydraulic plate slidably arranged in the first hydraulic cylinder, a second extension spring is fixedly connected between one side, close to the central line of the first hydraulic cylinder, of the first hydraulic plate and the bottom end of the first hydraulic cylinder, a second extension cylinder is fixedly connected to one side, far away from the central line of the first hydraulic cylinder, of the first hydraulic plate, a first connecting rod is slidably connected in the second extension cylinder, a third extension spring is fixedly connected between one side, close to the central line of the first hydraulic cylinder, of the first connecting rod and the bottom end of the second extension cylinder, keep away from first connecting rod one side of first pneumatic cylinder central line is rotated and is connected with the second connecting rod, it is connected with the second tup to rotate on the second connecting rod, the ball groove has been seted up to second tup lower extreme, ball inslot rotation is connected with the ball axle, the cover is equipped with the second spin on the ball axle, it is connected with the third telescopic cylinder to rotate on the side end face of second connecting block, sliding connection has the second telescopic link in the third telescopic cylinder, the second telescopic link with fourth extension spring has been linked firmly between the bottom of third telescopic cylinder, the second telescopic link with the second tup is close to a side end face of second connecting block rotates the connection.

When the sliding assembly runs, the sliding assembly drives the first hammer head to hit a patient through the second connecting block so as to realize detection on a nervous system of the patient, when the size of the hammer head needs to be switched, the triggering mechanism is started, the triggering mechanism controls the first hydraulic plate in the first hydraulic cylinder to slide towards the direction far away from the first hydraulic cylinder, and the first hydraulic plate pushes the second hammer head to slide towards the outside of the first hydraulic cylinder through the second telescopic cylinder, the first connecting rod and the second connecting rod;

because first connecting rod and second connecting rod, be between second connecting rod and the second tup and be the rotation connection, and rotate through third telescoping cylinder and second telescopic link between the side wall of second tup and second connecting block and be connected, so when the second tup roll-off to the outside of first pneumatic cylinder, the angle deflection can take place for first pneumatic cylinder, make second tup and second extension spring be located same horizontal plane, in order to realize the increase of tup area, and the ball inslot of second tup lower extreme has the second spin through the rotation of ball axle, through the design of second spin, the friction between second tup and first pneumatic cylinder has been reduced on the one hand, on the other hand has also avoided the second tup roll-off, take place the card when slipping into first pneumatic cylinder.

Preferably, the triggering mechanism comprises an H-shaped groove arranged at a groove at the lower end of the first connecting block in a sliding manner, two third rolling balls are connected in the H-shaped groove in a sliding manner, an eighth compression spring is fixedly connected between each third rolling ball and the bottom end of the H-shaped groove, a second rope is fixedly connected between the upper end surface of the H-shaped groove and the lower end surface of the sliding mechanism supporting plate, a fifth extension spring is fixedly connected between the lower end surface of the H-shaped groove and the second connecting block of the hammer head mechanism, two triggering components are arranged at the groove at the lower end of the first connecting block, the two triggering components are distributed in bilateral symmetry with respect to the center line of the first connecting block, each triggering component comprises a third arc-shaped groove arranged on the inner wall of the side end of the groove of the first connecting block, the third arc-shaped groove is matched with the third arc-shaped groove, and a second hydraulic cylinder is arranged on one side, far away from the center line of the first connecting block, of the third arc-shaped groove in the side end wall of the first connecting block, sliding connection has the second hydraulic pressure board in the second pneumatic cylinder, the second hydraulic pressure board is close to one side of first linkage block central line has linked firmly and runs through the hydraulic push rod of third arc wall, the second hydraulic pressure board is close to one side of first linkage block central line with two sixth extension spring have been linked firmly between the inner wall of second pneumatic cylinder, the lower extreme wall of second pneumatic cylinder is equipped with first governing valve, be connected with the warp on the first governing valve first linkage block with the second connecting block with the oil pipe that the first pneumatic cylinder of tup mechanism is linked together, the upper end wall of the first pneumatic cylinder of tup mechanism be equipped with the second governing valve that oil pipe is linked together.

When the power mechanism runs, the supporting plate of the sliding mechanism can pull the second rope, the second rope can pull the H-shaped groove to slide in the groove at the lower end of the first connecting block, when the power provided by the power mechanism reaches a certain value, the second rope pulls the H-shaped groove to slide to the third arc-shaped groove, at the moment, the eighth compression spring pushes the third rolling ball to slide towards the third arc-shaped groove, the third rolling ball is preferentially contacted with the hydraulic push rod when approaching to the third arc-shaped groove, the third rolling ball extrudes the hydraulic push rod to drive the second hydraulic plate to slide towards the inside of the second hydraulic cylinder, in the sliding process of the second hydraulic plate, on one hand, the two sixth extension springs are stretched to accumulate force, on the other hand, hydraulic oil in the second hydraulic cylinder is discharged into the oil pipe along the first regulating valve, the hydraulic oil entering the oil pipe enters the first hydraulic cylinder of the hammer mechanism through the second regulating valve to drive the hammer mechanism to run, because the fifth extension spring is fixedly connected between the lower end surface of the H-shaped groove and the second connecting block of the hammer head mechanism, when the power mechanism cancels the power supply, the stretched fifth extension spring can drive the H-shaped groove to reset, so that the third rolling ball slides out of the third arc-shaped groove.

In addition, the invention also provides a using method of the percussion hammer with the switchable hammerhead for the neurology department, which comprises the following specific steps:

s1, when the percussion hammer is used, a handle is held by hand, a button of a power mechanism is pressed, a rack is driven by the button to be meshed with a gear, first cords with different lengths are wound on a winding wheel according to different meshing tooth numbers of the rack and the gear, the first cords are controlled to provide different powers for the sliding mechanism to operate, and therefore the beating force of the hammer mechanism is controlled to be different in magnitude when the hammer mechanism beats each time;

when the operation of the steps S2 and S1 is carried out, the rack can be in initial contact with the limiting sliding plate of the limiting mechanism to drive the limiting sliding plate to slide in the limiting sliding groove, when the power provided by the power mechanism reaches a certain value, the power mechanism can start the trigger mechanism to operate, the hammer head mechanism is controlled by the trigger mechanism to switch the hammer heads, meanwhile, the limiting mechanism limits the first rolling ball on the side end face of the rack of the power mechanism, and the switching time of the hammer head mechanism is guaranteed;

when the step S3 and the step S1 are operated, the first rope pulls the supporting plate to slide in the second slide way, the supporting plate on one hand pulls the first connecting block to slide in the groove of the shell through the two supporting blocks when sliding, the first connecting block compresses the two sixth compression springs to store force, after the supporting plate is sent to the power starting mechanism, the two sixth compression springs reset to push the first connecting block to slide outside the groove of the shell, and the shell drives the hammer head mechanism to hit a patient;

s4, when the limiting mechanism controls the trigger mechanism to operate, the third rolling ball of the trigger mechanism is in contact with the third arc-shaped groove, the third rolling ball pushes the hydraulic push rod to push hydraulic oil in the second hydraulic cylinder into the first hydraulic cylinder, and the second hammer head in the first hydraulic cylinder is controlled to slide and expand towards the outside of the first hydraulic cylinder, so that the second hammer head and the first hammer head are located on the same horizontal plane, and the area of the hammer head is increased.

Compared with the prior art, this percussion hammer of changeable tup for neurology department has following advantage:

1. because stop gear's design, treat that the tup mechanism switches the completion back, the cancellation presses power unit, the fifth compression spring of compressed resets and promotes the push rod and slide to the outside of slide rail, makes the push rod apply the thrust of keeping away from first telescopic link direction to first spin, under the effect of push rod thrust, the better roll-off from first arc wall in of control first spin, stop gear still can carry on spacingly to the first spin of power unit rack side end face simultaneously, the switching time of guarantee tup mechanism.

2. Due to the design of the power mechanism, according to the difference of the meshing tooth numbers of the rack and the gear, the gear controls the first thread rope wound by the winding wheel through the gear shaft, so that the first thread rope is controlled to provide power with different sizes for the operation of the sliding mechanism, and the beating force of the hammer mechanism is controlled to be different in size when beating at each time.

3. Because the first connecting rod is connected with the second connecting rod in a rotating mode, the second connecting rod is connected with the second hammer head in a rotating mode, and the second hammer head is connected with the side end wall of the second connecting block in a rotating mode through the third telescopic cylinder and the second telescopic rod, when the second hammer head slides out of the first hydraulic cylinder, the first hydraulic cylinder can deflect in an angle mode, the second hammer head and the second extension spring are located on the same horizontal plane, and the area of the hammer head is increased.

4. Because the ball groove of second tup lower extreme has the second spin through the rotation of ball axle, through the design of second spin, reduced the friction between second tup and first pneumatic cylinder on the one hand, on the other hand has also avoided the second tup roll-off, has taken place the card when sliding into first pneumatic cylinder to pause.

Drawings

Fig. 1 is a sectional view showing the entire structure of a percussion hammer with a switchable hammer head for the neurology department.

Fig. 2 is a partially enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a cross-sectional view taken in the direction B-B of fig. 2 in accordance with the present invention.

Fig. 4 is a partially enlarged view of the invention at C in fig. 2.

Fig. 5 is an enlarged partial view of fig. 4 at D according to the present invention.

Fig. 6 is an enlarged partial schematic view at E of fig. 1 of the present invention.

Fig. 7 is an enlarged partial schematic view of the invention at F in fig. 6.

Fig. 8 is an enlarged partial schematic view of the invention at G in fig. 1.

Fig. 9 is an enlarged partial schematic view at H of fig. 1 of the present invention.

Fig. 10 is an enlarged partial schematic view at I of fig. 1 of the present invention.

In the figure, a handle 10, a slot 11, a button 12, a first compression spring 13, a second compression spring 14, a rack 15, a placing cavity 16, a U-shaped groove 17, a first rolling ball 18, a third compression spring 19, a gear shaft 20, a gear 21, a reel 22, a first rope 23, a limiting sliding chute 24, a limiting sliding plate 25, a fourth compression spring 26, a first arc-shaped groove 27, a first telescopic cylinder 28, a sliding plate 29, a first telescopic rod 30, a sliding rail 31, a push rod 32, a fifth compression spring 33, a second arc-shaped groove 34, a positioning block 35, a rotating shaft 36, a limiting rod 37, a torsion spring 38, a shell 39, a wire cavity 40, a guide wheel 41, a first slideway 42, a first sliding block 43, a first extension spring 44, a first connecting block 45, a sixth compression spring 46, a supporting block 47, a second slideway 48, a second sliding block 49, a seventh compression spring 50, a second rope 51, a third arc-shaped groove 52, a second hydraulic cylinder 53, a third compression spring 19, a gear 20, a limiting sliding groove 24, a sliding plate 28, a sliding plate 30, a sliding plate sliding, The hydraulic control device comprises a second hydraulic plate 54, a hydraulic push rod 55, a sixth extension spring 56, a first regulating valve 57, an oil pipe 58, an H-shaped groove 59, a third rolling ball 60, an eighth compression spring 61, a fifth extension spring 62, a second connecting block 63, a second regulating valve 64, a first hydraulic cylinder 65, a first hydraulic plate 66, a second extension spring 67, a second telescopic cylinder 68, a first connecting rod 69, a third extension spring 70, a second connecting rod 71, a second hammer 72, a rolling ball groove 73, a rolling ball shaft 74, a second rolling ball 75, a first hammer 76, a third telescopic cylinder 77, a second telescopic rod 78, a fourth extension spring 79 and a supporting plate 80.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, a percussion hammer with switchable hammer head for neurology department comprises a handle 10, a placement cavity 16 is limited in the handle 10, a casing 39 with a groove at the lower end is fixedly connected to the right end face of the handle 10, a wire cavity 40 communicated with the placement cavity 16 is limited in the casing 39, a sliding mechanism is arranged in the casing 39, a head hanging mechanism is arranged at the lower end of the sliding mechanism, a trigger mechanism for controlling the head hanging mechanism to switch is arranged in the sliding mechanism, a power mechanism for driving the percussion hammer to operate is arranged in the handle 10, and a limit mechanism for driving the trigger mechanism to operate is arranged in the placement cavity 16.

When using this device, handheld handle 10, press power unit, trigger glide machanism through power unit and hold power, power unit and stop gear carry out preliminary contact simultaneously, treat to loosen behind the power unit, the glide machanism who holds power can drive the tup mechanism and hit the patient and hit, nerve detection has been accomplished, when the power that power unit provided reaches a definite value, power unit can start trigger mechanism and move, control the tup mechanism through trigger mechanism and carry out the tup and switch, stop gear carries on spacingly to the first spin 18 of 15 side end faces of power unit rack simultaneously, ensure the switching time of tup mechanism.

As shown in fig. 1, 2 and 3, the power mechanism includes two slots 11 provided in the handle 10, a button 12 is slidably connected in the two slots 11, a first compression spring 13 is fixedly connected between a portion of the button 12 located in each slot 11 and a bottom end of the slot 11, two second compression springs 14 are fixedly connected between a lower end surface of the button 12 and an upper end surface of the handle 10, a rack 15 extending into the accommodating cavity 16 is fixedly connected between the two second compression springs 14 at a lower end surface of the button 12, a U-shaped groove 17 is formed at a left end of the rack 15, a first rolling ball 18 is slidably connected in the U-shaped groove 17, a third compression spring 19 is fixedly connected between the first rolling ball 18 and a bottom end of the U-shaped groove 17, a gear shaft 20 is rotatably connected between inner walls on front and rear sides of the accommodating cavity 16, a gear 21 engaged with the rack 15 is sleeved on the gear shaft 20, a reel 22 is sleeved on the gear shaft 20 at a rear side of the gear shaft 20, the reel 22 is wound with a first cord 23.

When the percussion hammer is used, the handle 10 is held by hand, the button 12 is pressed towards the direction close to the handle 10, when the button 12 slides, on one hand, the two second compression springs 14 and the two first compression springs 13 are compressed to accumulate force, on the other hand, the button 12 drives the rack 15 to enter the accommodating cavity 16 to be meshed with the gear 21, according to the difference of the number of meshing teeth of the rack 15 and the gear 21, the gear 21 controls the reel 22 to wind the first ropes 23 with different lengths through the gear shaft 20, the first ropes 23 are controlled to provide power with different sizes for the operation of the sliding mechanism, and therefore the different sizes of the striking force of the hammer mechanism during each striking are controlled;

the rack 15 contacts with the limiting mechanism in the downward moving process, when the power provided by the power mechanism reaches a certain value, the power mechanism can start the trigger mechanism to operate, and meanwhile, the limiting mechanism limits the first rolling ball 18 on the end face of the rack 15 side of the power mechanism, so that the switching time of the hammer mechanism is guaranteed.

As shown in fig. 2, 4 and 5, the limiting mechanism includes a limiting sliding groove 24 fixedly disposed on the inner wall of the lower side of the placement chamber 16, a limiting sliding plate 25 matched with the rack 15 is slidably connected in the limiting sliding groove 24, a fourth compression spring 26 is fixedly connected between the limiting sliding plate 25 and the bottom end of the limiting sliding groove 24, a first arc-shaped groove 27 matched with the first rolling ball 18 of the power mechanism is disposed on the inner wall of the left side of the limiting sliding plate 25, a first telescopic cylinder 28 is disposed on the left side of the first arc-shaped groove 27 in the left end wall of the limiting sliding plate 25, a sliding plate 29 is slidably connected in the first telescopic cylinder 28, a first telescopic rod 30 penetrating through the first arc-shaped groove 27 is fixedly connected to the right end surface of the sliding plate 29, a sliding rail 31 is disposed at the left end of the first telescopic rod 30, a push rod 32 is slidably connected in the sliding rail 31, a fifth compression spring 33 is fixedly connected between the push rod 32 and the bottom end of the sliding rail 31, four second arc-shaped grooves 34 are disposed on the push rod 32, four two liang a set of distributions in the upper and lower both ends face of push rod 32 of second arc wall 34, two sets of push rods 32 are upper and lower symmetric distribution about the central line of push rod 32, the right-hand member face of first telescopic link 30 is equipped with two spacing subassemblies with second arc wall 34 matched with, spacing subassembly is including the fixed locating piece 35 that sets up at first telescopic link 30 right-hand member face, it is connected with pivot 36 to rotate on the locating piece 35, the cover is equipped with the gag lever post 37 with second arc wall 34 matched with on the pivot 36, it can make the torsional spring 38 that gag lever post 37 resets to link firmly between gag lever post 37 and pivot 36.

Initially, the rack 15 of the power mechanism extrudes the limiting sliding plate 25 to slide in the limiting sliding groove 24, the limiting sliding plate 25 compresses the fourth compression spring 26 between the limiting sliding plate 25 and the bottom end of the limiting sliding groove 24 to store force in the sliding process, the limiting rod 37 is positioned on the push rod 32 and close to the second arc-shaped groove 34 of the first telescopic rod 30, and the position of the push rod 32 is limited by the limiting rod 37;

when the power provided by the power mechanism reaches a certain value, namely the first rolling ball 18 of the power mechanism enters the first arc-shaped groove 27, and when the first rolling ball 18 enters the first arc-shaped groove 27, the first rolling ball is preferentially contacted with the push rod 32, the first rolling ball 18 pushes the push rod 32 to slide towards the inside of the slide rail 31, in the sliding process of the push rod 32, on one hand, the limit rod 37 is controlled to slide out of the second arc-shaped groove 34 close to the first telescopic rod 30 and compress the fifth compression spring 33 to store power, on the other hand, the push rod 32 drives the first telescopic rod 30 to push the sliding plate 29 to slide towards the inside of the first telescopic cylinder 28 and enable the limit rod 37 to be contacted with the second arc-shaped groove 34 far away from the first telescopic rod 30, the push rod 32 is limited again through the limit rod 37, at the moment, the power mechanism can drive the trigger mechanism to operate, and the hammer mechanism is controlled to switch hammers through the trigger mechanism;

after the switching of the hammer mechanism is completed, the pressing power mechanism is cancelled, at the moment, the fourth compression spring 26 resets to push the limiting sliding plate 25 to slide upwards in the limiting sliding groove 24, the rack 15 of the power mechanism is pushed out, and meanwhile, the compressed fifth compression spring 33 resets to push the push rod 32 to slide towards the outside of the sliding rail 31, so that the push rod 32 applies thrust far away from the direction of the first telescopic rod 30 to the first rolling ball 18, and the first rolling ball 18 is controlled to better slide out from the first arc-shaped groove 27 under the action of the thrust of the push rod 32.

As shown in fig. 1 and 6, the sliding mechanism includes first slide ways 42 respectively disposed on the left and right inner walls of the groove of the housing 39, each first slide way 42 is connected with a first slide block 43 in a sliding manner, a first extension spring 44 is fixedly connected between each first slide block 43 and the bottom end of the first slide way 42, a first connecting block 45 having a groove at the lower end is fixedly connected between the two first slide blocks 43, two sixth compression springs 46 are fixedly connected between the upper end surface of the first connecting block 45 and the upper inner wall of the housing 39, two supporting blocks 47 are fixedly connected between the two sixth compression springs 46 on the upper end surface of the first connecting block 45, the two supporting blocks 47 are symmetrically distributed about the center line of the first connecting block 45, a second slide way 48 is disposed in each supporting block 47, a second slide block 49 is slidably connected in each second slide way 48, a seventh compression spring 50 is fixedly connected between each second slide block 49 and the upper inner wall of the supporting block 47, a supporting plate 80 is fixedly connected between the two second sliding blocks 49, the upper end surface of the supporting plate 80 is fixedly connected with a first cord 23 of a power mechanism passing through the wire cavity 40, and three guide wheels 41 for guiding the first cord 23 are rotatably connected in the wire cavity 40.

When the power mechanism operates, an upward pulling force is applied to the supporting plate 80 through the first wire rope 23, the supporting plate 80 drives the two second sliding blocks 49 to slide upwards in the second slide way 48, and the seventh compression spring 50 is compressed to store the force, when the second sliding blocks 49 slide in the second slide way 48 for a certain distance, the second sliding blocks 49 can apply an upward pulling force to the first connecting block 45 through the supporting blocks 47, the first connecting block 45 drives the first sliding blocks 43 to slide upwards in the first slide way 42 under the action of external force, in the sliding process of the first connecting block 45, on one hand, the two sixth compression springs 46 are compressed to store the force, on the other hand, the first extension spring 44 is extended to store the force through the first sliding blocks 43, and meanwhile, the first connecting block 45 drives the hammer head mechanism to slide towards the direction close to the shell 39;

after the power mechanism is loosened, the two compressed sixth compression springs 46 and the two stretched first stretching springs 44 are reset at the same time, the first connecting block 45 is driven to move downwards at the groove of the shell 39, and the hammer head mechanism is driven to hit the patient through the first connecting block 45, so that the detection of the nervous system of the patient is realized.

As shown in fig. 1, 9 and 10, the hammer head mechanism includes a second connecting block 63 fixedly disposed on the lower end surface of the first connecting block 45, the lower end surface of the second connecting block 63 is fixedly connected with a first hydraulic cylinder 65, the lower end surface of the first hydraulic cylinder 65 is fixedly connected with a first hammer head 76, two hammer head assemblies are slidably connected in the first hydraulic cylinder 65, the two hammer head assemblies are bilaterally symmetrically distributed about the center line of the first hydraulic cylinder 65, each hammer head assembly includes a first hydraulic plate 66 slidably disposed in the first hydraulic cylinder 65, a second extension spring 67 is fixedly connected between one side of the first hydraulic plate 66 close to the center line of the first hydraulic cylinder 65 and the bottom end of the first hydraulic cylinder 65, a second extension cylinder 68 is fixedly connected to one side of the first hydraulic plate 66 far from the center line of the first hydraulic cylinder 65, a first connecting rod 69 is slidably connected in the second extension cylinder 68, a third extension spring 70 is fixedly connected between one side of the first connecting rod 69 close to the center line of the first hydraulic cylinder 65 and the bottom end of the second extension cylinder 68, one side of first connecting rod 69, away from first pneumatic cylinder 65 central line, rotates and is connected with second connecting rod 71, it is connected with second tup 72 to rotate on the second connecting rod 71, ball groove 73 has been seted up to second tup 72 lower extreme, ball groove 73 internal rotation is connected with ball axle 74, the cover is equipped with second spin 75 on the ball axle 74, it is connected with third telescoping cylinder 77 to rotate on the side end face of second connecting block 63, sliding connection has second telescopic link 78 in the third telescoping cylinder 77, link firmly fourth extension spring 79 between the bottom of second telescopic link 78 and third telescoping cylinder 77, second telescopic link 78 rotates with one side end face that second tup 72 is close to second connecting block 63 and is connected.

When the sliding assembly runs, the sliding assembly drives the first hammer 76 to hit a patient through the second connecting block 63 so as to detect the nervous system of the patient, when the size of the hammer needs to be switched, the triggering mechanism is started, the triggering mechanism controls the first hydraulic plate 66 in the first hydraulic cylinder 65 to slide towards the direction far away from the first hydraulic cylinder 65, and the first hydraulic plate 66 pushes the second hammer 72 to slide towards the outside of the first hydraulic cylinder 65 through the second telescopic cylinder 68, the first connecting rod 69 and the second connecting rod 71;

because the first connecting rod 69 is rotatably connected with the second connecting rod 71, the second connecting rod 71 is rotatably connected with the second hammer 72, and the side end walls of the second hammer 72 and the second connecting block 63 are rotatably connected with each other through the third telescopic cylinder 77 and the second telescopic rod 78, when the second hammer 72 slides out of the first hydraulic cylinder 65, the first hydraulic cylinder 65 can deflect angularly, so that the second hammer 72 and the second extension spring 67 are positioned on the same horizontal plane to increase the hammer area, and a second rolling ball 75 rotates in a rolling ball groove 73 at the lower end of the second hammer 72 through a rolling ball shaft 74, through the design of the second rolling ball 75, on one hand, the friction between the second hammer 72 and the first hydraulic cylinder 65 is reduced, and on the other hand, the phenomenon that the second hammer 72 slides out and blocks when sliding into the first hydraulic cylinder 65 is avoided.

As shown in fig. 1, 6, 7 and 8, the triggering mechanism includes an H-shaped groove 59 slidably disposed in a groove at the lower end of the first connecting block 45, two third rolling balls 60 are slidably connected in the H-shaped groove 59, an eighth compression spring 61 is fixedly connected between each third rolling ball 60 and the bottom end of the H-shaped groove 59, a second rope 51 is fixedly connected between the upper end surface of the H-shaped groove 59 and the lower end surface of the sliding mechanism supporting plate 80, a fifth extension spring 62 is fixedly connected between the lower end surface of the H-shaped groove 59 and the second connecting block 63 of the hammer head mechanism, two triggering components are disposed at the groove at the lower end of the first connecting block 45, the two triggering components are symmetrically distributed about the center line of the first connecting block 45, the triggering components include a third arc-shaped groove 52 disposed on the inner wall at the groove side end of the first connecting block 45, the third arc-shaped groove 52 is matched with the third rolling ball 60, a first hydraulic cylinder 53 is disposed at one side of the third arc-shaped groove 52 far from the center line of the first connecting block 45 in the side end wall of the first connecting block 45, second pneumatic cylinder 53 sliding connection has second hydraulic plate 54, one side that second hydraulic plate 54 is close to first link block 45 central line has linked firmly the hydraulic push rod 55 that runs through third arc 52, one side that second hydraulic plate 54 is close to first link block 45 central line has linked firmly two sixth extension spring 56 with the inner wall of second pneumatic cylinder 53 within a definite time, the lower terminal wall of second pneumatic cylinder 53 is equipped with first governing valve 57, be connected with the oil pipe 58 that is linked together through first link block 45 and second connecting block 63 and the first pneumatic cylinder 65 of tup mechanism on the first governing valve 57, the upper end wall of the first pneumatic cylinder 65 of tup mechanism is equipped with the second governing valve 64 that is linked together with oil pipe 58.

When the power mechanism runs, the second wire rope 51 can be pulled by the supporting plate 80 of the sliding mechanism, the second wire rope 51 is utilized to pull the H-shaped groove 59 to slide in the groove at the lower end of the first connecting block 45, when the power provided by the power mechanism reaches a certain value, the second wire rope 51 pulls the H-shaped groove 59 to slide to the third arc-shaped groove 52, at this time, the eighth compression spring 61 pushes the third rolling ball 60 to slide towards the third arc-shaped groove 52, the third rolling ball 60 is preferentially contacted with the hydraulic push rod 55 when approaching to the third arc-shaped groove 52, the third rolling ball 60 pushes the hydraulic push rod 55 to drive the second hydraulic plate 54 to slide towards the inside of the second hydraulic cylinder 53, during the sliding process of the second hydraulic plate 54, on one hand, the two sixth extension springs 56 are stretched to store power, on the other hand, the hydraulic oil in the second hydraulic cylinder 53 is discharged into the oil pipe 58 along the first regulating valve 57, the hydraulic oil entering the oil pipe 58 enters the first hydraulic cylinder 65 of the hammer mechanism through the second regulating valve 64, in order to drive the hammer mechanism to operate, because the fifth extension spring 62 is fixedly connected between the lower end surface of the H-shaped groove 59 and the second connecting block 63 of the hammer mechanism, when the power mechanism cancels the power supply, the stretched fifth extension spring 62 can drive the H-shaped groove 59 to reset, so that the third rolling ball 60 slides out of the third arc-shaped groove 52.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a percussion hammer of changeable tup for neurology department, includes handle (10), it settles chamber (16) to inject in handle (10), the right-hand member face of handle (10) has linked firmly casing (39) that the recess was established to the lower extreme, it has rain to inject in casing (39) wire chamber (40) that settle chamber (16) and be linked together, its characterized in that: a sliding mechanism is arranged in the shell (39), a hammer head mechanism is arranged at the lower end of the sliding mechanism, a trigger mechanism for controlling the hammer head mechanism to switch is arranged in the sliding mechanism, a power mechanism for driving the percussion hammer to operate is arranged in the handle (10), and a limiting mechanism for driving the trigger mechanism to operate is arranged in the placement cavity (16); the power mechanism comprises two clamping grooves (11) arranged in the handle (10), a button (12) is connected in the two clamping grooves (11) in a sliding manner, the part, located in each clamping groove (11), of the button (12) is fixedly connected with a first compression spring (13) between the bottom ends of the clamping grooves (11), two second compression springs (14) are fixedly connected between the lower end face of the button (12) and the upper end face of the handle (10), a rack (15) extending into the accommodating cavity (16) is fixedly connected between the lower end face of the button (12) and the two second compression springs (14), a U-shaped groove (17) is formed in the left end of the rack (15), a first rolling ball (18) is connected in the U-shaped groove (17) in a sliding manner, and a third compression spring (19) is fixedly connected between the first rolling ball (18) and the bottom end of the U-shaped groove (17), a gear shaft (20) is rotatably connected between the inner walls of the front side and the rear side of the placement cavity (16), a gear (21) meshed with the rack (15) is sleeved on the gear shaft (20), a reel (22) is sleeved on the gear shaft (20) and positioned behind the gear shaft (20), and a first rope (23) is wound on the reel (22); the limiting mechanism comprises a limiting sliding groove (24) fixedly arranged on the inner wall of the lower side of the placement cavity (16), a limiting sliding plate (25) matched with the rack (15) is connected in the limiting sliding groove (24) in a sliding manner, a fourth compression spring (26) is fixedly connected between the limiting sliding plate (25) and the bottom end of the limiting sliding groove (24), a first arc-shaped groove (27) matched with the first rolling ball (18) of the power mechanism is formed in the inner wall of the left side of the limiting sliding plate (25), a first telescopic cylinder (28) is arranged on the left side of the first arc-shaped groove (27) and is connected in the first telescopic cylinder (28) in a sliding manner, a sliding plate (29) is fixedly connected to the right end face of the sliding plate (29) in a penetrating manner, a first telescopic rod (30) of the first arc-shaped groove (27) is fixedly connected, a sliding rail (31) is formed in the left end of the first telescopic rod (30), the sliding device is characterized in that a push rod (32) is connected in the sliding rail (31) in a sliding manner, a fifth compression spring (33) is fixedly connected between the push rod (32) and the bottom end of the sliding rail (31), four second arc-shaped grooves (34) are formed in the push rod (32), every two second arc-shaped grooves (34) are distributed on the upper end face and the lower end face of the push rod (32) in a group, the push rod (32) is distributed on the push rod (32) in a vertically symmetrical manner, two limiting assemblies matched with the second arc-shaped grooves (34) are arranged on the right end face of the first telescopic rod (30) and comprise positioning blocks (35) fixedly arranged on the right end face of the first telescopic rod (30), rotating shafts (36) are connected on the positioning blocks (35) in a rotating manner, and limiting rods (37) matched with the second arc-shaped grooves (34) are sleeved on the rotating shafts (36), a torsion spring (38) which can reset the limiting rod (37) is fixedly connected between the limiting rod (37) and the rotating shaft (36); the sliding mechanism comprises first slide ways (42) which are respectively arranged on the inner walls of the left side and the right side of a groove of the shell (39), each first slide way (42) is internally and slidably connected with a first slide block (43), each first slide block (43) and the bottom end of the first slide way (42) are fixedly connected with a first extension spring (44), two first slide blocks (43) are fixedly connected with a first connecting block (45) of which the lower end is provided with a groove, the upper end surface of the first connecting block (45) and the upper inner wall of the shell (39) are fixedly connected with two sixth compression springs (46), the upper end surface of the first connecting block (45) is positioned between the two sixth compression springs (46) and is fixedly connected with two supporting blocks (47), the two supporting blocks (47) are symmetrically distributed left and right relative to the central line of the first connecting block (45), and a second slide way (48) is respectively arranged in each supporting block (47), each second slide rail (48) is connected with a second slide block (49) in a sliding manner, a seventh compression spring (50) is fixedly connected between each second slide block (49) and the inner wall of the upper side of the supporting block (47), a supporting plate (80) is fixedly connected between the two second slide blocks (49), the upper end face of the supporting plate (80) is fixedly connected with a first wire rope (23) of the power mechanism passing through the wire cavity (40), and three guide wheels (41) for guiding the first wire rope (23) are rotatably connected in the wire cavity (40); the hammer mechanism comprises a second connecting block (63) fixedly arranged on the lower end face of the first connecting block (45), a first hydraulic cylinder (65) is fixedly connected to the lower end face of the second connecting block (63), a first hammer (76) is fixedly connected to the lower end face of the first hydraulic cylinder (65), two hammer components are slidably connected to the first hydraulic cylinder (65) and distributed in bilateral symmetry about the central line of the first hydraulic cylinder (65), the hammer components comprise first hydraulic plates (66) slidably arranged in the first hydraulic cylinder (65), the first hydraulic plates (66) are close to one side of the central line of the first hydraulic cylinder (65) and fixedly connected with second extension springs (67) between the bottom ends of the first hydraulic cylinder (65), and one side of the central line of the first hydraulic cylinder (65) away from the first hydraulic plates (66) is fixedly connected with a second extension cylinder (68), a first connecting rod (69) is connected in the second telescopic cylinder (68) in a sliding manner, a third extension spring (70) is fixedly connected between one side of the first hydraulic cylinder (65) close to the central line of the first connecting rod (69) and the bottom end of the second telescopic cylinder (68), the first connecting rod (69) is far away from one side of the central line of the first hydraulic cylinder (65) and is connected with a second connecting rod (71) in a rotating manner, a second hammer head (72) is connected on the second connecting rod (71) in a rotating manner, a ball groove (73) is formed in the lower end of the second hammer head (72), a ball shaft (74) is connected in the ball groove (73) in a rotating manner, a second ball (75) is sleeved on the ball shaft (74), a third telescopic cylinder (77) is connected on the side end face of the second connecting block (63) in a rotating manner, and a second telescopic rod (78) is connected in the third telescopic cylinder (77) in a sliding manner, the second telescopic link (78) with link firmly fourth extension spring (79) between the bottom of third telescoping cylinder (77), second telescopic link (78) with second tup (72) are close to one side terminal surface rotation connection of second connecting block (63).

2. The neurology department percussion hammer with switchable hammerheads as claimed in claim 1, wherein: the trigger mechanism comprises an H-shaped groove (59) which is arranged at the groove at the lower end of the first connecting block (45) in a sliding manner, two third rolling balls (60) are connected in the H-shaped groove (59) in the sliding manner, each third rolling ball (60) is fixedly connected with an eighth compression spring (61) between the bottom ends of the H-shaped groove (59), the upper end face of the H-shaped groove (59) and the lower end face of the sliding mechanism supporting plate (80) are fixedly connected with a second rope (51), a fifth extension spring (62) is fixedly connected between the lower end face of the H-shaped groove (59) and a second connecting block (63) of the hammer head mechanism, two trigger components are arranged at the groove at the lower end of the first connecting block (45), the two trigger components are distributed in a left-right symmetrical manner relative to the central line of the first connecting block (45), and comprise third arc-shaped grooves (52) which are formed in the inner walls at the side ends of the groove at the groove of the first connecting block (45), third arc wall (52) with third spin (60) cooperate, be located in the side end wall of first link (45) third arc wall (52) are kept away from one side of first link (45) central line is equipped with second pneumatic cylinder (53), sliding connection has second pneumatic cylinder (54) in second pneumatic cylinder (53), second pneumatic cylinder (54) are close to one side of first link (45) central line has linked firmly hydraulic push rod (55) that runs through third arc wall (52), second pneumatic cylinder (54) be close to one side of first link (45) central line with link firmly two sixth extension spring (56) between the inner wall of second pneumatic cylinder (53), the lower extreme wall of second pneumatic cylinder (53) is equipped with first governing valve (57), be connected with on first governing valve (57) through first link (45) with second link (63) with first pneumatic cylinder (53) of tup mechanism 65) And the upper end wall of the first hydraulic cylinder (65) of the hammer head mechanism is provided with a second regulating valve (64) communicated with the oil pipe (58).

3. The method for using the percussion hammer with switchable hammer head for neurology department according to any one of claims 1 to 2, wherein the percussion hammer comprises: the method comprises the following specific steps:

s1, when the percussion hammer is used, a handle (10) is held by hand, a button (12) of a power mechanism is pressed, a rack (15) is driven to be meshed with a gear (21) through the button (12), and a reel (22) is controlled to wind first ropes (23) with different lengths according to different meshing tooth numbers of the rack (15) and the gear (21), so that the first ropes (23) are controlled to provide different power for the operation of a sliding mechanism, and the beating force of a hammer mechanism is controlled to be different in size when the hammer mechanism beats each time;

when the operation of the steps S2 and S1 is carried out, the rack (15) can be in initial contact with a limiting sliding plate (25) of the limiting mechanism to drive the limiting sliding plate (25) to slide in a limiting sliding groove (24), when the power provided by the power mechanism reaches a certain value, the power mechanism can start the trigger mechanism to operate, the hammer head mechanism is controlled by the trigger mechanism to carry out hammer head switching, meanwhile, the limiting mechanism limits a first rolling ball (18) on the side end face of the rack (15) of the power mechanism, and the switching time of the hammer head mechanism is guaranteed;

when the S3 and S1 steps are carried out, the supporting plate (80) is pulled by the first rope (23) to slide in the second slide way (48), the supporting plate (80) slides to pull the first connecting block (45) to slide in the groove of the shell (39) through the two supporting blocks (47), the first connecting block (45) compresses the two sixth compression springs (46) to store force, after the power mechanism is sent, the two sixth compression springs (46) reset to push the first connecting block (45) to slide outside the groove of the shell (39), and the shell (39) is used for driving the hammer head mechanism to hit a patient;

s4, when the limiting mechanism controls the trigger mechanism to operate, a third rolling ball (60) of the trigger mechanism is in contact with a third arc-shaped groove (52), the third rolling ball (60) pushes a hydraulic push rod (55) to push hydraulic oil in a second hydraulic cylinder (53) into a first hydraulic cylinder (65), a second hammer head (72) in the first hydraulic cylinder (65) is controlled to slide and expand towards the outside of the first hydraulic cylinder (65), the second hammer head (72) and the first hammer head (76) are located on the same horizontal plane, and the hammer head area is increased.