CN209437644U - A kind of reciprocal telescopic control executing agency for external chest compression device - Google Patents
A kind of reciprocal telescopic control executing agency for external chest compression device Download PDFInfo
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- CN209437644U CN209437644U CN201822016950.XU CN201822016950U CN209437644U CN 209437644 U CN209437644 U CN 209437644U CN 201822016950 U CN201822016950 U CN 201822016950U CN 209437644 U CN209437644 U CN 209437644U
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- ball screw
- motor
- belt wheel
- compression device
- chest compression
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Abstract
The reciprocal telescopic that the utility model discloses a kind of for external chest compression device controls executing agency, comprising: host is provided with motor, ball screw, linear guide, bracket, small pulley, big belt wheel and press head in host；Motor, ball screw, linear guide, which are respectively mounted, to be fixed on bracket；Small pulley is mounted on the motor shaft of motor, small pulley and motor coaxle；Small pulley is connect with big belt wheel, and the rotation of motor is transmitted to big belt wheel；Ball screw includes ball screw guide rail and ball screw nut, and ball screw nut is connect with linear guide, and big belt wheel is mounted on the end of ball screw guide rail, and ball screw guide rail, ball screw nut and big belt wheel are coaxial；Ball screw guide rail is rotated together with big belt wheel, and the rotary motion of ball screw guide rail is converted into the linear motion of ball screw nut by ball screw；Press head is mounted on ball screw nut and pumps；Controller, is arranged in the outside of host, and is connected to motor.
Description
Technical field
The utility model relates to field of medical device, particularly relate to a kind of reciprocal telescopic for external chest compression device
Control executing agency.
Background technique
In the Medical Devices of CPR, chest compression device is a kind of common equipment, the function that equipment is mainly realized
It can be that control press head is pressed and discharged on chest breastbone, to replace the external chest compression manually carried out movement.I.e.
Equipment needs to control press head and carries out reciprocal telescopic movement, and need to control its flexible time (i.e. control compression frequency or
Period), it currently realizes that the form of this function is varied, has gas-powered and control, have and utilize gas-powered and electricity consumption
Submode control, also there is motor driven and electronically controlled.
Wherein the electronically controlled form of motor driven is equipped with gas cylinder due to being not necessarily to without gas source, thus easy to carry, light
And it is suitable for first aid and transhipment scene.But most of current electronic chest compression device still realizes that structure is complicated, Huo Zheti
Product size is bigger than normal.Since the size and weight of chest compression device not only have an impact to the usage experience of emergency transportation, there is research table
Its bright weight also has relationship to pressing effect, and is combined with other emergency measures during pressing, and needs operating space, because
This, the inventor of the utility model, which needs to conceive a kind of scheme, can make that chest compression body product is smaller, weight is lighter.
Utility model content
The utility model provides a kind of reciprocal telescopic control executing agency for external chest compression device, above-mentioned to solve
Technical problem provides the support on hardware and structure.
The technical solution of the utility model is:
A kind of reciprocal telescopic control executing agency for external chest compression device, comprising:
One host, be provided in the host motor, ball screw, linear guide, bracket, small pulley, big belt wheel and by
Pressure head；Wherein the motor, the ball screw, the linear guide, which are respectively mounted, fixes on the bracket；The small pulley
It is mounted on the motor shaft of the motor, the small pulley and the motor coaxle；The small pulley is connect with the big belt wheel,
And the rotation of the motor is transmitted to the big belt wheel；The ball screw includes ball screw guide rail and ball screw spiral shell
Mother, the ball screw nut are connect with the linear guide, and the big belt wheel is mounted on the end of the ball screw guide rail,
The ball screw guide rail, the ball screw nut and the big belt wheel are coaxial；The ball screw guide rail and the big band
Wheel rotates together, and the rotary motion of the ball screw guide rail is converted into the straight of the ball screw nut by the ball screw
Line movement；The press head is mounted on the ball screw nut and pumps；
One controller, the outside of the host is arranged in the controller, and is electrically connected with the motor.
It preferably, further include having several position sensors being electrically connected with the controller, the position sensor setting
In the linear guide.
Preferably, further include an encoder being electrically connected with the controller, the upper end of the motor is set, and with
The motor and the small pulley are coaxial.
It preferably, further include that the outside of the host is set for providing the battery module of power supply to the host.
It preferably, further include having belt, the rotation of motor is transmitted to big belt wheel by belt by the small pulley.
Preferably, the ball screw is installed on the bracket by bearing.
Preferably, the position sensor includes two, is separately mounted to the both ends of the linear guide.
Preferably, the controller is connect with the motor by cable.
Preferably, the controller is connect with the position sensor by cable.
Preferably, the controller is connect with the encoder by cable.
By adopting the above technical scheme, the utility model include at least it is following the utility model has the advantages that
Reciprocal telescopic described in the utility model for external chest compression device controls executing agency, and mechanical dimensions are small, again
Amount is light, realizes the smaller lighter of pressing part；Pressing effect is improved, reserves more operating spaces to first aid procedures；By
It is small in mechanical dimensions, light-weight, the operation and installation of equipment are also convenient for patient；Host internal structure is compact simple, and three
The installation of axis mode realizes pumping for press head；Overall height dimension and width dimensions greatly reduce；Coding
The rotation information of device and the location information duplex feedback of position sensor, so that whole control is more accurate reliable.
Detailed description of the invention
Fig. 1 is the structural representation that the reciprocal telescopic described in the utility model for external chest compression device controls executing agency
Figure；
Fig. 2 is the structural schematic diagram of host described in the utility model.
Wherein: 1. motors, 2. encoders, 3. small pulleys, 4. belts, 5. big belt wheels, 6. bearings, 7. brackets, 8. straight lines are led
Rail, 9. ball screw nuts, 10. ball screw guide rails, 11. press heads, 12. position sensors.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1 to Figure 2, it is held to meet a kind of reciprocal telescopic control for external chest compression device of the utility model
Row mechanism, comprising:
One host is provided with motor 1, ball screw, linear guide 8, bracket 7, small pulley 3, big belt wheel 5 in the host
With press head 11；Wherein the motor 1, the ball screw, the linear guide 8, which are respectively mounted, is fixed on the bracket 7；Institute
It states small pulley 3 to be mounted on 1 axis of motor of the motor 1, the small pulley 3 and the motor 1 are coaxial；The small pulley 3 with
The big belt wheel 5 connects, and the rotation of the motor 1 is transmitted to the big belt wheel 5；The ball screw includes ball screw
Guide rail 10 and ball screw nut 9, the ball screw nut 9 are connect with the linear guide 8, and the big belt wheel 5 is mounted on
The end of the ball screw guide rail 10, the ball screw guide rail 10, the ball screw nut 9 and the big belt wheel 5 are same
Axis；The ball screw guide rail 10 is rotated together with the big belt wheel 5, and the ball screw is by the ball screw guide rail 10
Rotary motion is converted into the linear motion of the ball screw nut 9；The press head 11 is mounted on the ball screw nut 9
It goes up and pumps；
One controller, the outside of the host is arranged in the controller, and is electrically connected with the motor 1.
It preferably, further include having several position sensors 12 being electrically connected with the controller, the position sensor 12
It is arranged in the linear guide 8.
Preferably, further include an encoder 2 being electrically connected with the controller, the upper end of the motor 1 is set, and
It is coaxial with the motor 1 and the small pulley 3.
It preferably, further include that the outside of the host is set for providing the battery module of power supply to the host.
It is further preferable that the battery module is arranged in the controller, host is powered by cable.
It preferably, further include having belt 4, the rotation of motor 1 is transmitted to big belt wheel 5 by belt 4 by the small pulley 3.
Preferably, the ball screw is mounted on the bracket 7 by bearing 6.
Preferably, the position sensor 12 includes two, is separately mounted to the both ends of the linear guide 8.
Preferably, the controller is connect with the motor 1 by cable.
Preferably, the controller is connect with the position sensor 12 by cable.
Preferably, the controller is connect with the encoder 2 by cable.
Preferably, the motor is direct current or alternating current generator.Preferably, the controller programmable controller, more
The preferably PLC of 48 model of mitsubishi FX2N.
Certainly, the present embodiment is not intended to limit the model of motor and controller, can need to carry out according to actual use
Selection, any obvious model and specification replacement are within the protection scope of the present embodiment.
Host internal structure is as shown in Figure 2.Main composition components have inside host: motor 1, encoder 2, small pulley 3,
Belt 4, big belt wheel 5, bearing 6, bracket 7, linear guide 8, ball screw, press head 11；Motor 1 is controlled by cable by outside
Device control, motor 1 can be according to carrying out scheduled positive and negative rotation movement under the control of controller, while the encoder 2 of 1 upper end of motor will
The information such as the revolving speed of motor 1 are detected and are fed back controller, realize closed loop feedback control.Small pulley 3 is mounted on 1 axis of motor
On, the rotation of motor 1 is transmitted to big belt wheel 5 by belt 4, big belt wheel 5 is mounted on the ball screw guide rail of ball screw
10 ends, ball screw guide rail 10 are rotated together with big belt wheel 5, and ball screw converts the rotary motion of ball screw guide rail 10
At the linear motion of ball screw nut 9；The connection of ball screw nut 9 and linear guide 8, linear guide 8 can only straight line fortune
It is very small to move its frictional resistance；Ball screw nut 9 can only move along a straight line under the limitation of linear guide 8, (prevent from rolling
Ballscrew nut 9 follows ball screw guide rail 10 to rotate together)；Therefore, ball screw nut 9 ball screw guide rail 10 just
Under reverse turn effect and the restriction effect of linear guide 8, linear motion up and down is carried out；Press head 11 is mounted on ball screw nut
On 9；Motor 1, ball screw, linear guide 8 are fixed on bracket 7, and the rotation of ball screw is mounted on branch by bearing 6
On frame 7；Entire mechanism realizes pumping for press head 11, and its control is by peripheral control unit feedback control electricity
What machine 1 was realized.
Big belt wheel 5 and small pulley 3 are driven by belt 4, can be carried out belt wheel by the size of two belt wheels of design and be subtracted
Speed.The rotation of big belt wheel 5 is once slowed down again by ball screw guide rail 10 and ball screw nut 9, can be selected by design
The size for selecting ball screw realizes the design of reduction ratio, while realizing that rotary motion is converted into moving along a straight line.Linear guide 8 it is upper
Lower both ends are mounted with position sensor 12, and the location information of press head 11 is fed back to controller, position feedback judgement can be carried out.
The utility model separates battery module by way of controlling host, reduces the size and weight of host.
Three-axis structure mode, first axle: motor 1, encoder 2, small pulley 3 are used inside host；Second axis: ball screw (contains ball
Screw rod guide rail 10 and ball screw nut 9), big belt wheel 5；Third axis: linear guide 8 and position sensor 12.Wherein first axle
It is driven with the second axis by the wheel of belt 4；Ball screw in second axis converts rotational motion to move along a straight line；The rotation of second axis
Transhipment is dynamic to be limited by bearing 6；Second axis and third axis are fastenedly connected, the fortune by the movement of third axis as the second axis
Dynamic limit；The component of three axis is installed on bracket 7, is made unified installation and is fixed.Ways of deceleration is 2 grades of decelerations, big belt wheel 5, small
Belt wheel 3 carries out first order deceleration, and ball screw carries out second level deceleration.The control of two kinds of feedbacks of encoder 2 and position sensor 12
System, whole control are more accurate reliable.
Reciprocal telescopic i.e. described in the utility model for external chest compression device controls executing agency, mechanical dimensions are small,
It is light-weight, realize the smaller lighter of pressing part；Pressing effect is improved, reserves more operating spaces to first aid procedures；
Since mechanical dimensions are small, light-weight, the operation and installation of equipment are also convenient for patient；Host internal structure is compact simple,
The installation of three axis modes realizes pumping for press head 11；Overall height dimension and width dimensions greatly reduce；
The rotation information of encoder 2 and the location information duplex feedback of position sensor 12, so that whole control is more accurate reliable.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of reciprocal telescopic for external chest compression device controls executing agency characterized by comprising
One host is provided with motor, ball screw, linear guide, bracket, small pulley, big belt wheel and press head in the host；
Wherein the motor, the ball screw, the linear guide, which are respectively mounted, fixes on the bracket；The small pulley is mounted on
On the motor shaft of the motor, the small pulley and the motor coaxle；The small pulley is connect with the big belt wheel, and by institute
The rotation for stating motor is transmitted to the big belt wheel；The ball screw includes ball screw guide rail and ball screw nut, described
Ball screw nut is connect with the linear guide, and the big belt wheel is mounted on the end of the ball screw guide rail, the rolling
Ballscrew guide rail, the ball screw nut and the big belt wheel are coaxial；The ball screw guide rail is together with the big belt wheel
Rotation, the ball screw transport the straight line that the rotary motion of the ball screw guide rail is converted into the ball screw nut
It is dynamic；The press head is mounted on the ball screw nut and pumps；
One controller, the outside of the host is arranged in the controller, and is electrically connected with the motor.
2. controlling executing agency for the reciprocal telescopic of external chest compression device as described in claim 1, it is characterised in that: also wrap
Several position sensors being electrically connected with the controller are included, the position sensor is arranged in the linear guide.
3. controlling executing agency for the reciprocal telescopic of external chest compression device as described in claim 1, it is characterised in that: also wrap
Include an encoder being electrically connected with the controller, the upper end of the motor be set, and with the motor and the small band
Wheel is coaxial.
4. controlling executing agency for the reciprocal telescopic of external chest compression device as described in claim 1, it is characterised in that: also wrap
It includes for providing the battery module of power supply to the host, the outside of the host is set.
5. controlling executing agency for the reciprocal telescopic of external chest compression device as described in claim 1, it is characterised in that: also wrap
Belt is included, the rotation of motor is transmitted to big belt wheel by belt by the small pulley.
6. controlling executing agency for the reciprocal telescopic of external chest compression device as described in claim 1, it is characterised in that: described
Ball screw is installed on the bracket by bearing.
7. controlling executing agency for the reciprocal telescopic of external chest compression device as claimed in claim 2, it is characterised in that: described
Position sensor includes two, is separately mounted to the both ends of the linear guide.
8. controlling executing agency for the reciprocal telescopic of external chest compression device as described in claim 1, it is characterised in that: described
Controller is connect with the motor by cable.
9. controlling executing agency for the reciprocal telescopic of external chest compression device as claimed in claim 2, it is characterised in that: described
Controller is connect with the position sensor by cable.
10. controlling executing agency for the reciprocal telescopic of external chest compression device as claimed in claim 3, it is characterised in that: institute
It states controller and is connect with the encoder by cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016950.XU CN209437644U (en) | 2018-11-28 | 2018-11-28 | A kind of reciprocal telescopic control executing agency for external chest compression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016950.XU CN209437644U (en) | 2018-11-28 | 2018-11-28 | A kind of reciprocal telescopic control executing agency for external chest compression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209437644U true CN209437644U (en) | 2019-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822016950.XU Active CN209437644U (en) | 2018-11-28 | 2018-11-28 | A kind of reciprocal telescopic control executing agency for external chest compression device |
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| Country | Link |
|---|---|
| CN (1) | CN209437644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123928A1 (en) * | 2021-12-28 | 2023-07-06 | 苏州尚领医疗科技有限公司 | Reciprocating telescopic mechanism, and external chest compression device having same |
-
2018
- 2018-11-28 CN CN201822016950.XU patent/CN209437644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023123928A1 (en) * | 2021-12-28 | 2023-07-06 | 苏州尚领医疗科技有限公司 | Reciprocating telescopic mechanism, and external chest compression device having same |
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