The content of the invention
To solve above-mentioned technical problem, the present invention proposes a kind of percussion hammer for Neurology, pressed in pricker
When power is excessive, vibration can be produced as prompting in handle position.
To achieve the above object, the invention provides following technical scheme:
A kind of percussion hammer for Neurology, including handle, U-shaped fixture and the roller being sequentially connected, the roller lead to
Rotating shaft is crossed in the U-shaped opening of the U-shaped fixture, and can be around the axis of rotation;
The roller includes the multiple lancet units being uniformly arranged along its circumferencial direction, and the lancet unit includes the first installation
Hole, pricker, the first spring, second spring, the first spring contact, second spring contact and common;
The pricker, first spring, the second spring and the common are installed in first mounting hole
Interior and coaxial between the pricker, first spring and the second spring, one end of first spring is close
The pricker, the other end connect the bottom of first mounting hole by the common, and the second spring is located at described
The inside of first spring, one end of the second spring are passed through by pricker, the other end described in the second spring contact portion
The common connects the bottom of first mounting hole;First spring contact is located on the pricker
The bearing of trend of first spring;Wherein, the pricker can inside contract along the bearing of trend of first mounting hole makes institute
State the first spring contact and contact first spring;
Also include micromachine, the micromachine is located on the handle and connects first spring contact and institute respectively
Second spring contact is stated, the micromachine rotates when first spring contact contacts first spring, makes the hand
Handle produces vibration.
As a kind of embodiment, the handle is provided with mounting groove, and the micromachine is arranged on the mounting groove
Interior, the micromachine rotates in the mounting groove can make the handle produce vibration.
As a kind of embodiment, the handle is provided with multiple elongated anti-slip veins, multiple elongated anti-slip veins it
Between be arranged in parallel and along the length direction of the handle.
As a kind of embodiment, first spring contact and the second spring contact are in annular shape, and
Between first spring contact and the second spring contact with one heart;
Wherein, the end profile of the profile of first spring contact and first spring coordinates, the second spring contact
Profile and the second spring end profile coordinate.
As a kind of embodiment, the coefficient of elasticity of first spring is more than the coefficient of elasticity of the second spring.
The present invention is compared to the beneficial effect of prior art:
The invention provides a kind of percussion hammer for Neurology, drags the roller with pricker by handle and rotates, so as to right
The nerve of patient is diagnosed.If pricker is under pressure normally, pricker compresses second spring and does not contact the first spring, uses
It is little with ordinary percussion hammer difference in the percussion hammer of Neurology.Excessive, pricker the first spring of compression if pricker is under pressure
And second spring, the first spring contact is contacted the first spring.And due to second spring connection second spring contact, Yi Ji
One spring and second spring are all connected with common, therefore can form the current supply circuit of micromachine, handle is produced vibration sense.
So even if doctor applies, pressure is excessive, also can produce vibration sense by the structure of the percussion hammer itself of Neurology, prompt doctor
Give birth to and reduce the virtually injury to caused by patient.
Brief description of the drawings
Fig. 1 is the plan for the percussion hammer for being used for Neurology in background technology;
Fig. 2 is the stereogram of the percussion hammer provided in an embodiment of the present invention for Neurology;
Fig. 3 is the plan of the percussion hammer provided in an embodiment of the present invention for Neurology;
Fig. 4 is the first profile of lancet unit provided in an embodiment of the present invention;
Fig. 5 is the second profile of lancet unit provided in an embodiment of the present invention;
Fig. 6 is the 3rd profile of lancet unit provided in an embodiment of the present invention;
Fig. 7 is the first spring contact provided in an embodiment of the present invention and the plan of second spring contact;
Fig. 8 is the profile of the percussion hammer provided in an embodiment of the present invention for Neurology;
Fig. 9 is the stereogram of micromachine provided in an embodiment of the present invention.
In figure:1st, roller;10th, lancet unit;101st, the first mounting hole;102nd, the second mounting hole;103rd, pricker;104th,
One spring;105th, limit spring jumps pearl;106th, by spacing slide protrusion;107th, second spring;108th, the first spring contact;109、
Second spring contact;110th, common;2nd, handle;201st, mounting groove;202nd, elongated anti-slip veins;3rd, U-shaped fixture;4th, turn
Axle;5th, micromachine;501st, eccentric element.
Embodiment
Below in conjunction with accompanying drawing, the technical characteristic above-mentioned and other to the present invention and advantage are clearly and completely described,
Obviously, described embodiment is only the section Example of the present invention, rather than whole embodiments.
Reference picture 2 and Fig. 3, in one embodiment, the percussion hammer for Neurology include handle 2, the U being sequentially connected
Type fixture 3 and roller 1.Roller 1 is located at by rotating shaft 4 in the U-shaped opening of U-shaped fixture 3, and is by positioned at U-shaped
The fastener of the both sides of fixture 3 and the pair roller 1 of rotating shaft 4 through U-shaped fixture 3 are fixed.Roller 1 is fixed on U-shaped fixation
After on part 3, it can be rotated with around the shaft 4, a directions in Fig. 3 show the rotation direction of roller 1 when in use.In use, doctor
It is raw that certain pressure is applied to barbed roller 1 by handle 2, and the roller 1 with pricker 103 is dragged along a directions by handle 2
Rotate, so as to be diagnosed to the nerve of patient.
Reference picture 3, in one embodiment, roller 1 include the multiple lancet units being uniformly arranged along its circumferencial direction
10.Fig. 4 and Fig. 5, lancet unit 10 include the first mounting hole 101, the second mounting hole 102, pricker 103, the first spring 104, limit
Position spring jumps pearl 105 and by spacing slide protrusion 106.Wherein, radial direction and one side of first mounting hole 101 along roller 1
Through the wheel face of roller 1, the b directions in Fig. 3 and Fig. 4 show the radial direction of roller 1, i.e. the first mounting hole 101 prolongs along b directions
Stretch.Axial direction and unilateral c direction through the end face of roller 1, Fig. 2 and Fig. 5 in of second mounting hole 102 along roller 1 are shown
The axial direction of roller 1, i.e. the second mounting hole 102 extend along c directions.And the first mounting hole 101 and the second mounting hole 102 are all
It is arranged on the inside of roller 1, the bottom of the bottom of the first mounting hole 101 and the second mounting hole 102, which is connected to each other, to be communicated, its section
Structure is as shown in Figure 5.
Deploy the construction in construction and the second mounting hole 102 in the first mounting hole 101 individually below.
In the first mounting hole 101, its cross-section structure is as shown in Figure 4.Specifically, the spring 104 of pricker 103 and first is pacified
In the first mounting hole 101, and the spring 104 of pricker 103 and first is coaxial, i.e., the spring 104 of pricker 103 and first all along
B directions are set.Pricker 103 can inside contract along the bearing of trend of the first mounting hole 101 makes the first spring 104 be pressurized and to
The bearing of trend deformation of two mounting holes 102, the c directions in Fig. 5 show the first spring 104 be pressurized after deformation direction;Accordingly
, pricker 103 can also along the first mounting hole 101 bearing of trend it is overhanging make the first spring 104 recover deformation.
In the second mounting hole 102, its cross-section structure is as shown in Figure 5.Specifically, by spacing slide protrusion 106 and spacing
Spring is jumped pearl 105 and is installed in the second mounting hole 102, is worn by one end of spacing slide protrusion 106 out of second mounting hole 102
Go out, i.e., set by spacing slide protrusion 106 along c directions.By spacing slide protrusion 106 when the first spring 104 is pressurized along
The bearing of trend of second mounting hole 102 is overhanging, and is limited with the rotation of U-shaped fixture 3 formation roller 1, the c directions in Fig. 5
Show the overhanging direction by spacing slide protrusion 106;Accordingly, by spacing slide protrusion 106 when the first spring 104 recovers
Inside contracted along the bearing of trend of the second mounting hole 102, and release the rotation limitation of pair roller 1.In addition, limit spring is jumped
Pearl 105 includes two, and is respectively positioned on by the overhanging path of spacing slide protrusion 106, and is located at respectively by spacing slip
The both sides of projection 106, it is flexible spacing to being provided by spacing slide protrusion 106.I.e. when by spacing slide protrusion 106 want it is overhanging or
It is intended to first overcome limit spring to jump the spacing of pearl 105 when inside contracting, actually can so increases by the spacing moment of slide protrusion 106
The amplitude of action.In use, can be overhanging suddenly after being overcome limit spring to jump pearl 105 by spacing slide protrusion 106, quickly
Roller 1 is set to stop operating.It will be resetted manually by spacing slide protrusion 106 again afterwards.
Based on above-mentioned construction, if pricker 103 is under pressure excessive, pricker 103, which compresses the first spring 104, makes it to the
The bearing of trend deformation of two mounting holes 102, make being pacified by spacing slide protrusion 106 along second in the second mounting hole 102
The bearing of trend in dress hole 102 is overhanging, so as to form the rotation limitation of roller 1 with U-shaped fixture 3, therefore can limit 1 turn of roller
It is dynamic.So even if doctor's application pressure is excessive, roller 1 can be also set to stop turning by the structure of the percussion hammer itself of Neurology
It is dynamic, prompt doctor and reduce the virtually injury to caused by patient.
Reference picture 3, in one embodiment, roller 1 include the multiple lancet units being uniformly arranged along its circumferencial direction
10.Reference picture 4, Fig. 5 and Fig. 6, lancet unit 10 include the first mounting hole 101, pricker 103, the first spring 104, the second bullet
Spring 107, the first spring contact 108, second spring contact 109 and common 110.Reference picture 6, pricker 103, the first bullet
Spring 104, second spring 107 and common 110 are installed in the first mounting hole 101, and pricker 103, the first spring
It is coaxial between 104 and second spring 107.The particular location relation of three is as shown in fig. 6, the radius of the first spring 104 is more than
The length of the radius of second spring 107 and the first spring 104 is less than the length of second spring 107.And as illustrated, second
Spring 107 is located at the inside of the first spring 104, and one end of second spring 107 is protruded with respect to one end of the first spring 104.
Wherein, the first spring 104 and second spring 107 connect the bottom of the first mounting hole 101 by common 110;In addition, the
One end of one spring 104 is close and is not connected to pricker 103, one end connection pricker 103 of second spring 107.Accordingly, first
Spring contact 108 and second spring contact 109 are all on pricker 103.Wherein, the first spring contact 108 is located at the first spring
104 bearing of trend, second spring contact 109 is located at the bearing of trend of second spring 107, and second spring 107 passes through second
Spring contact 109 connects pricker 103.In this embodiment, pricker 103 can stretch along the bearing of trend of the first mounting hole 101;
And when bearing of trend of the pricker 103 along the first mounting hole 101 is overhanging, the first spring contact 108 does not contact the first spring
104;When bearing of trend of the pricker 103 along the first mounting hole 101 inside contracts, the first spring contact 108 contacts the first spring
104.And, can be with the first spring contact 108 and the in this embodiment, if the first spring contact 108 contacts the first spring 104
It can be connected between two spring contacts 109 by the first spring 104, common 110, second spring 107.Reference picture 8 and figure
9, the percussion hammer for Neurology that the present embodiment provides also includes micromachine 5, micromachine 5 be located on handle 2 and
The first spring contact 108 and second spring contact 109 are connected respectively, and micromachine 5 contacts the first bullet in the first spring contact 108
Rotated during spring 104, handle 2 is produced vibration.
Based on above-mentioned construction, if pricker 103 is under pressure normally, pricker 103 compresses second spring 107 and not connect
The first spring 104 is touched, the percussion hammer for Neurology is little with ordinary percussion hammer difference.If pricker 103 was under pressure
Greatly, pricker 103 compresses the first spring 104 and second spring 107, the first spring contact 108 is contacted the first spring 104.And
Because second spring 107 connects second spring contact 109, and the first spring 104 and second spring 107 are all connected with common
110, therefore the current supply circuit of micromachine 5 can be formed, handle 2 is produced vibration sense.So even if doctor's application pressure is excessive,
Also vibration sense can be produced by the structure of the percussion hammer itself of Neurology, prompts doctor and reduce virtually to cause patient
Injury.
Reference picture 7, in one embodiment, the first spring contact 108 and second spring contact 109 are in annular shape, and
And first between spring contact 108 and second spring contact 109 with one heart.Wherein, the profile and the first bullet of the first spring contact 108
The end profile of spring 104 coordinates, and the profile of second spring contact 109 and the end profile of second spring 107 coordinate.
In the present embodiment, the first spring contact 108 and second spring contact 109 are respectively provided with annular shape, can be increased
Contact area between first spring contact 108 and the first spring 104;Similarly, second spring contact 109 and can also be increased
Contact area between two springs 107.It is to have borrowed the He of the first spring 104 in fact, there is provided the contact of donut structure
Change in location state between second spring 107.By the first spring 104, second spring 107 and common 110 as opening
Close and use.
In one embodiment, the coefficient of elasticity of the first spring 104 is more than the coefficient of elasticity of second spring 107.
In the present embodiment, the coefficient of elasticity of the first spring 104 is more than the coefficient of elasticity of second spring 107, can cure
Life application pressure is obstructed suddenly when excessive, to physician feedback.
In one embodiment, handle 2 is provided with mounting groove 201, and micromachine 5 is arranged in mounting groove 201, micro electric
Machine 5 rotates in mounting groove 201 can make handle 2 produce vibration.
In one embodiment, handle 2 is provided with multiple elongated anti-slip veins 202, parallel between multiple elongated anti-slip veins 202
Set and along the length direction of handle 2.
In one embodiment, the width of of length no more than second mounting hole 102 of the first spring 104.
In the present embodiment, it can prevent the first spring 104 from producing the significantly deformation on c directions in telescopic process.
Particular embodiments described above, the purpose of the present invention, technical scheme and beneficial effect are carried out further
Describe in detail, it will be appreciated that the foregoing is only the specific embodiment of the present invention, the protection being not intended to limit the present invention
Scope.Particularly point out, to those skilled in the art, within the spirit and principles of the invention, that is done any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.