CN211094265U

CN211094265U - Percussion hammer

Info

Publication number: CN211094265U
Application number: CN201920356509.8U
Authority: CN
Inventors: 石彩凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-07-28
Anticipated expiration: 2029-03-20

Abstract

The utility model discloses a percussion hammer, which comprises a hammer handle and a telescopic rod, wherein a sliding cavity is arranged inside the hammer handle, the telescopic rod is inserted in the sliding cavity in a sliding way, the other end of the telescopic rod is fixedly connected with a display device, the front end surface of the display device is provided with a display screen, a hammer sleeve is fixedly connected above the display device, a buffer cavity is arranged inside the hammer sleeve, a sliding plate is arranged inside the buffer cavity, the bottom surface of the sliding plate is provided with a sliding rod, the lower end of the sliding rod extends out of the hammer sleeve and is fixedly connected with a pressure sensor, the bottom end surface of the pressure sensor is provided with a hammer head, the top surface of the sliding plate is provided with a buffer spring, the upper end inner wall of the buffer cavity is provided with a threaded column, the top end of the threaded column is provided with a rotating disk, the pressure sensor is, the produced withholding force is read out on the display screen, so that a doctor can more accurately master the knocking force and the diagnosis error is avoided.

Description

Percussion hammer

Technical Field

The utility model relates to the technical field of medical equipment, concretely relates to percussion hammer.

Background

The percussion hammer is an appliance for examining neuromuscular reflex by a doctor, and is mainly composed of an eraser and a wood or metal handle, when in use, the rubber hammer head is used for knocking relevant parts to generate vibration and different resonance sounds, and the doctor judges whether the organ state of the part of the examined patient is abnormal or not according to the vibration and sound properties of the percussion hammer and the interval time transmitted from the part of the examined patient to the percussion hammer, so that the neuromuscular reflex condition can be judged.

Disclosure of Invention

The utility model aims to provide a percussion hammer solves the diagnosis degree of difficulty when the neural inspection is diagnosed big, appears diagnostic error's problem easily.

In order to achieve the above object, the utility model provides a following technical scheme:

a percussion hammer comprises a hammer handle and a telescopic rod, wherein a sliding cavity is formed in the hammer handle, the telescopic rod is inserted in the sliding cavity in a sliding manner, a limiting rod is fixedly arranged at one end of the telescopic rod, a threaded hole is formed in the side wall of the upper end of the hammer handle, a locking knob is spirally connected in the threaded hole, a display device is fixedly connected at the other end of the telescopic rod, a display screen is arranged on the front end face of the display device, a control button is arranged below the display screen, a hammer sleeve is fixedly connected above the display device, a buffer cavity is formed in the hammer sleeve, a sliding plate is arranged in the buffer cavity, a sliding rod is arranged on the bottom surface of the sliding plate, the lower end of the sliding rod extends out of the hammer sleeve and is fixedly connected with a pressure sensor, a hammer head is arranged on the bottom end face of the pressure sensor, a buffer spring is arranged, the top end of the threaded column is provided with a rotating disk, and the pressure sensor is connected with a display device through a signal line.

As a further improvement of the technology, a battery and a circuit board are installed inside the display device, a single chip microcomputer, an operational amplifier and an A/D converter are arranged on the circuit board, the pressure sensor is connected with the operational amplifier through a signal line, the operational amplifier is connected with the A/D converter through a line, the A/D converter is connected with the single chip microcomputer through a line, and the single chip microcomputer is connected with the display screen and the control button through a lead.

As a further scheme of this embodiment, a protection sleeve is arranged on the outer side of the hammer handle.

As a further scheme of this embodiment, a rubber head is arranged on the hammer head.

As a further scheme of this embodiment, the control button includes a switch button and a memory button.

Compared with the prior art, the beneficial effects of the utility model are that:

the structure setting of hammer handle, when needing to adjust length, can stimulate the telescopic link, make the telescopic link roll-off suitable length in the spout of hammer handle, and make telescopic link and hammer handle fixed through the locking button of hammer handle upper end, the structure setting of hammer sleeve, the accessible is screwed in the screw thread post or is screwed out and adjust buffer spring to the elasticity of tup during the use, when screwing in the screw thread post, then buffer spring is compressed, the elasticity increase to the tup, at this moment, the strike of tup just seems hard, when screwing out the screw thread post, then buffer spring extension, the elasticity to the tup reduces, at this moment, strike of tup just seems soft. Through set up pressure sensor above the tup, can make the tup receive beat power and acquire and transmit for display device through pressure sensor, beat the in-process at the doctor, the power of beating of production reads out on the display screen, makes the doctor grasp more accurately and beats the dynamics, avoids the doctor to only rely on the intuition to judge, causes to beat the dynamics error, simultaneously, need not to beat the experience and can diagnose, has reduced the diagnosis degree of difficulty. And meanwhile, the data of multiple times of tapping can be stored in the display device, and can be memorized and searched through the memory button, so that a doctor can conveniently analyze the data.

Drawings

Fig. 1 is a schematic structural perspective view of the present invention;

fig. 2 is a schematic structural plan view of the present invention;

in the figure: the device comprises a hammer handle 1, a telescopic rod 2, a protective sleeve 3, a sliding cavity 4, a limiting rod 5, a threaded hole 6, a locking knob 7, a display device 8, a display screen 81, a control button 82, a switch button 821, a memory button 822, a hammer sleeve 9, a buffer cavity 10, a sliding plate 11, a sliding rod 12, a pressure sensor 13, a hammer head 14, a buffer spring 15, a threaded column 16, a rotating disc 17, a signal line 18, a battery 83, a circuit board 84, a single chip 841, an operational amplifier 842 and an A/D converter 843.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.

Referring to the attached drawing 1, a percussion hammer comprises a hammer handle 1 and a telescopic rod 2, a protective sleeve 3 is arranged on the outer side of the hammer handle 1, the protective sleeve 3 is used for preventing skidding, a sliding cavity 4 is formed in the hammer handle 1, the telescopic rod 2 is inserted into the sliding cavity 4 in a sliding manner, a limiting rod 5 is fixedly arranged at one end of the telescopic rod 2, the limiting rod 5 is used for limiting the pulling length of the telescopic rod 2, a threaded hole 6 is formed in the side wall of the upper end of the hammer handle 1, a locking knob 7 is spirally connected in the threaded hole 6, the locking knob 7 is used for fixing the telescopic rod 2 and the hammer handle 1 after the telescopic rod 2 is pulled out of a proper position in the hammer handle 1, a display device 8 is fixedly connected to the other end of the telescopic rod 2, a display screen 81 is arranged on the front end face of the display device 8, a control button 82 is arranged below the display screen 81, and the control, The memory button 822 and the switch button 821 are used for the pressure sensor 13 and the display device 8 to work, the memory button 822 is used for searching tapping data stored in the display device 8, the hammer sleeve 9 is fixedly connected above the display device 8, the buffer chamber 10 is arranged inside the hammer sleeve 9, the sliding plate 11 is arranged inside the buffer chamber 10, the sliding plate 11 is provided with a sliding rod 12 on the bottom surface, the lower end of the sliding rod 12 extends out of the hammer sleeve 9 and is fixedly connected with the pressure sensor 13, the hammer 14 is installed on the bottom end surface of the pressure sensor 13, the hammer 14 is provided with a rubber head (not shown in the figure), the rubber head can be sleeved on the hammer 14, so as to avoid bacterial infection after being used by a patient, the rubber head is disposable, the top surface of the sliding plate 11 is provided with a buffer spring 15, the inner wall of the upper end of the buffer chamber 10 is provided, the top end of the threaded column 16 is provided with a rotating disk 17, when in use, the elastic force of the buffer spring 15 to the hammer head can be adjusted by screwing the threaded column 16 in or out, when the threaded column 16 is screwed in, the buffer spring 15 is compressed, the elastic force to the hammer head 14 is increased, the knocking of the hammer head 14 is hard, when the threaded column 16 is screwed out, the buffer spring 15 extends, the elastic force to the hammer head 14 is reduced, the knocking of the hammer head 14 is soft, the pressure sensor 13 is connected with the display device 8 through a signal line 18, a battery 83 and a circuit board 84 are arranged in the display device 8, a singlechip 841, an operational amplifier 842 and an A/D converter 843 are arranged on the circuit board 84, the pressure sensor 13 is connected with the operational amplifier 842 through a signal line, the operational amplifier 842 is connected with the A/D converter 843 through a line, the A/D converter 843 is connected with a single chip microcomputer 841 through a line, and the single chip microcomputer 841 is connected with the display screen 81 and the control button 82 through a lead.

The utility model discloses a theory of operation is:

when the percussion hammer is used, a switch button 821 on a display device 8 is opened, firstly, the telescopic rod 2 is pulled, the telescopic rod 2 slides out of a slide cavity 4 of a hammer handle 1 by a proper length, the telescopic rod 2 and the hammer handle 1 are fixed through a locking knob 7 at the upper end of the hammer handle 1, the elastic force of the buffer spring 15 on the hammer head 14 is adjusted through screwing in or screwing out the threaded column 16, when the threaded column 16 is screwed in, the buffer spring 15 is compressed, the elastic force of the hammer head 14 is increased, the knocking of the hammer head 14 is hard, when the threaded column 16 is screwed out, the buffer spring 15 extends, the elastic force of the hammer head 14 is reduced, the knocking of the hammer head 14 is soft, a pressure signal is converted into an electric signal through a pressure sensor 13 at the upper end of the hammer head 14, the electric signal is amplified through an operational amplifier 842, the signal is sent to an A/D converter 843, and then the analog signal is converted into a digital signal which can be identified, convert the information that the display screen 81 can discern into through singlechip 841 again, demonstrate the size of current power of buckleing at last, and simultaneously, in the doctor kowtows the in-process, can be according to when knocking, the pressure of production, read out on display screen 81, make the doctor grasp the dynamics of knocking more accurately, avoid the doctor to only rely on the intuition to judge, cause the dynamics error of knocking, and simultaneously, need not to strike the experience and diagnose, the diagnosis degree of difficulty has been reduced, when having performed many times kowtows the back, can look for on display screen 81 through memory button 822 data memory, make things convenient for the doctor to carry out the analysis to data.

The utility model relates to a percussion hammer novel structure, the design science, simple structure, be convenient for deposit and use, when needing to adjust length, make telescopic link 2 roll out suitable length in sliding chamber 4 of hammer handle 1, and make telescopic link 2 and hammer handle 1 fix through locking knob 7 of hammer handle 1 upper end, adjust buffer spring 15 to the elasticity of tup 14 through precessing in or precession screw post 16, when precession screw post 16, buffer spring 15 is compressed, the elasticity to tup 14 increases, at this moment, the percussion of tup 14 seems hard, when unscrewing screw post 16, buffer spring 15 extends, the elasticity to tup 14 reduces, at this moment, the percussion of tup 14 just seems soft, through set up pressure sensor 13 above tup 14, the percussion force that can make tup 14 receive obtains and transmits for display device 8 through pressure sensor 13, kowtowing the in-process at the doctor, the power of strikeing of production reads out on display screen 81, makes the doctor grasp the dynamics of strikeing more accurately, avoids the doctor to only rely on the intuition to judge, causes the dynamics of strikeing error, simultaneously, need not to strike the experience and can diagnose, has reduced the diagnosis degree of difficulty. And meanwhile, the data of multiple times of tapping can be stored in the display device 8, and can be memorized and searched through the memory button 822, so that a doctor can analyze the data conveniently.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A plexor, characterized by: the multifunctional hammer comprises a hammer handle and a telescopic rod, wherein a protective sleeve is arranged on the outer side of the hammer handle, a sliding cavity is formed in the hammer handle, the telescopic rod is inserted in the sliding cavity in a sliding manner, a limiting rod is fixedly arranged at one end of the telescopic rod, a threaded hole is formed in the side wall of the upper end of the hammer handle, a locking knob is spirally connected in the threaded hole, a display device is fixedly connected at the other end of the telescopic rod, a display screen is arranged on the front end face of the display device, a control button is arranged below the display screen, a hammer sleeve is fixedly connected above the display device, a buffer cavity is arranged in the hammer sleeve, a sliding plate is arranged in the buffer cavity, a sliding rod is arranged on the bottom surface of the sliding plate, the lower end of the sliding rod extends out of the hammer sleeve and is fixedly connected with a pressure sensor, the top surface of the sliding plate is provided with a buffer spring, the inner wall of the upper end of the buffer cavity is provided with a threaded column, the top end of the threaded column is provided with a rotating disc, and the pressure sensor is connected with a display device through a signal line;

the display device is internally provided with a battery and a circuit board, the circuit board is provided with a single chip microcomputer, an operational amplifier and an A/D converter, the pressure sensor is connected with the operational amplifier through a signal line, the operational amplifier is connected with the A/D converter through a line, the A/D converter is connected with the single chip microcomputer through a line, and the single chip microcomputer is connected with a display screen and a control button through a wire;

the control button comprises a switch button and a memory button, the switch button is used for the pressure sensor and the display device to work, and the memory button is used for searching tapping data stored in the display device.