CN209286372U - Medication injections device assembly with optical distance sensor - Google Patents
Medication injections device assembly with optical distance sensor Download PDFInfo
- Publication number
- CN209286372U CN209286372U CN201821179788.7U CN201821179788U CN209286372U CN 209286372 U CN209286372 U CN 209286372U CN 201821179788 U CN201821179788 U CN 201821179788U CN 209286372 U CN209286372 U CN 209286372U
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- CN
- China
- Prior art keywords
- inner screw
- screw sheath
- stepper motor
- distance sensor
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of medication injections device assembly with optical distance sensor, including control assembly, injection tube assembly, stepper motor, external thread sleeve, inner screw sheath and optical distance sensor；The push rod that the injection tube assembly includes shell, is set to the intracorporal piston of shell and connect with piston, the tail end of the shell is detachably connected with the first end of the inner screw sheath, the stepper motor is set to the tail end of the shell and connect with the end of the push rod, which connect with the shaft of the stepper motor；The external thread sleeve is connect with the inner screw sheath spiral so that it can advance or retreat along the axial screw of the inner screw sheath, to drive the push rod to be advanced axially relative or retreat, the control assembly is set to one end far from the injection tube assembly of inner screw sheath and is electrically connected with the stepper motor with the rotation angle for controlling the motor, which is set to one end far from the injection tube assembly of the inner screw sheath and is located at the inside of inner screw sheath.
Description
Technical field
The utility model relates to medical instruments fields, and in particular to a kind of medical syringe with optical distance sensor
Component.
Background technique
In the prior art, using syringe when carrying out Liquid extracting or injection, operator is often by eye
Observation injection volume or extraction amount are gone, and hand, when operating its push rod, the advance of the push rod or backway also can not essences
Really control.
Therefore, the prior art is defective, needs to improve.
Utility model content
The utility model embodiment provides a kind of medication injections device assembly with optical distance sensor, has quantitative take out
It takes or the beneficial effect of injecting fluid.
The utility model provides a kind of medication injections device assembly with optical distance sensor, which is characterized in that packet
Include control assembly, injection tube assembly, stepper motor, external thread sleeve, inner screw sheath and optical distance sensor；
The push rod that the injection tube assembly includes shell, is set to the intracorporal piston of shell and connect with piston, the shell
The first end of tail end and the inner screw sheath be detachably connected, the stepper motor be set to the tail end of the shell and with the push rod
End connection, the external thread sleeve are connect with the shaft of the stepper motor；
The external thread sleeve connect with the inner screw sheath spiral so that its can along the axial screw of the inner screw sheath advance or
Person retreats, so that the push rod be driven to be advanced axially relative or retreat, which is set to separate injection-tube of inner screw sheath
It one end of component and is electrically connected with the stepper motor with the rotation angle for controlling the motor, optical distance sensor setting
In the one end of the inner screw sheath far from the injection tube assembly and it is located at the inside of inner screw sheath, which is used for
Detect the distance between the end of the external thread sleeve Yu the inner screw sheath, the optical distance sensor and the control assembly communication link
It connects；
It further include one for inputting the miniature input panel of injection volume or extraction amount, which is set to this
The outside of circuit board is simultaneously communicated to connect with the control assembly；
The injection volume or extraction meter that the control assembly is used to be inputted according to the miniature input panel calculate the push rod need
Then the distance perhaps retreated of advancing calculates the rotation angle of the stepper motor according to the distance of the advance or retrogressing
Value, and control the stepper motor and rotate corresponding angle towards corresponding direction.
It further include a metal spiral shell in the medication injections device assembly described in the utility model with optical distance sensor
Line part, which is detachably connected by the metal screw and inner screw sheath realization, on the outer wall of the external thread sleeve
It is provided with the first conductive metal layer, is provided with the second conductive metal layer on the side wall and tail end of the shell, the inner screw sheath
Internal thread structure is conductive metal, and the external thread structure of the external thread sleeve is conductive metal；
One positive output port of the control assembly passes sequentially through first conductive metal layer, the second conductive metal layer and is somebody's turn to do
One positive input port of stepper motor is electrically connected；
One negative output port of the control assembly passes sequentially through the internal thread structure, external thread structure and the stepper motor
A negative input port electrical connection.
In the medication injections device assembly described in the utility model with optical distance sensor, the stepper motor
End is circumferentially flexibly connected with the end of the push rod, and axial restraint, the end of the stepper motor and the shell are circumferentially fixed.
In the medication injections device assembly described in the utility model with optical distance sensor, stepper motor closes on
The position of end is provided with accommodating chamber and is provided with the through-hole being connected to the accommodating chamber in the end, is provided with one in the accommodating chamber
Rotatably round connecting plate, offers an irregularly-shaped hole at the axis of the connecting plate, the end of the push rod pass through the through-hole and with
Irregularly-shaped hole on the connecting plate crosses win and is cooperatively connected.
In the medication injections device assembly described in the utility model with optical distance sensor, on the tail end of the shell
It is provided with retention bead, the end of the stepper motor is provided with limiting groove, which is plugged in the limiting groove.
The utility model by control assembly control motor rotational angle come realize to the push rod advance or retreat away from
From accurate control, quantitative extract or injecting fluid may be implemented.
Detailed description of the invention
Fig. 1 is a kind of structure of the medication injections device assembly with optical distance sensor in the utility model embodiment
Schematic diagram.
Fig. 2 is the annexation figure of push rod Yu the stepper motor.
Specific embodiment
The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein
Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below
It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this
Novel limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more
The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific
It limits.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.
In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only
Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals
And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments
And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this
Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.
Fig. 1 is please referred to, Fig. 1 is the medical syringe group with optical distance sensor in an embodiment of the present invention
The structural schematic diagram of part, this has the medication injections device assembly of optical distance sensor, including control assembly 60, injection tube assembly
10, stepper motor 20, external thread sleeve 30 and inner screw sheath 40.
Wherein, which pushes away including shell 11, the piston 12 being set in shell 11, with what piston 12 was connect
Bar 13, be set to the shell 11 head end syringe needle 14.The tail end of the shell 11 and the first end of the inner screw sheath 40 are detachable
Connection, such as can disassemble and use and snap connection, or in the present embodiment, the first end of the tail end of the shell 11 and the inner screw sheath 40
It is detachably connected by the metal screw 50 realization.
The shell is detachably connected by the metal screw and inner screw sheath realization, the outer wall of the external thread sleeve
On be provided with the first conductive metal layer, be provided with the second conductive metal layer on the side wall and tail end of the shell, the inner screw sheath
Internal thread structure be conductive metal, the external thread structure of the external thread sleeve is conductive metal；One of the control assembly is just defeated
Exit port passes sequentially through first conductive metal layer, a positive input port of the second conductive metal layer and the stepper motor is electrically connected
It connects；One negative output port of the control assembly passes sequentially through the one of the internal thread structure, external thread structure and the stepper motor
The electrical connection of negative input port.
The stepper motor 20 is set to the tail end of the shell 11 and connect with the end of the push rod 13, the external thread sleeve 30 with
The shaft of the stepper motor 20 connects；The external thread sleeve 30 is connect with 40 spiral of inner screw sheath so that it can be along the internal screw thread
The axial screw of set 40 is advanced or is retreated, so that the push rod 13 be driven to be advanced axially relative or retreat.
In the present embodiment, the end of the stepper motor 20 is circumferentially flexibly connected with the end of the push rod 13, and axial solid
Fixed, the end of the stepper motor 20 and the shell 11 are circumferentially fixed.For example, limit can be arranged on the end cap of the shell 11
Accordingly retention bead is arranged on the end of the stepper motor 20 in hole.The retention bead is plugged in the limit hole.
The position for closing on end of stepper motor 20 is provided with accommodating chamber 21 and is provided with and the accommodating chamber 21 in the end
The through-hole of connection is provided with a rotatably round connecting plate 22 in the accommodating chamber 21, offers one at the axis of the connecting plate
Irregularly-shaped hole, the end of the push rod 13 pass through the through-hole and cross win with the irregularly-shaped hole on the connecting plate 22 and be cooperatively connected.And the connection
The diameter of plate 22 is greater than the diameter of the through-hole.
The control assembly 60 includes control circuit and power supply, which can be battery.
In some embodiments, it further includes circuit board, optics that this, which has the medication injections device assembly of optical distance sensor,
The miniature input panel 90 of range sensor 80 and input injection volume or extraction amount.Optical distance sensor 80 can for away from
From detection sensor, such as photoinduction sensor.
The injection volume or extraction meter that the control assembly is used to be inputted according to the miniature input panel calculate the push rod need
Then the distance perhaps retreated of advancing calculates the rotation angle of the stepper motor according to the distance of the advance or retrogressing
Value, and control the stepper motor and rotate corresponding angle towards corresponding direction.
The optical distance sensor 80 is used to detect the distance between the end of the external thread sleeve Yu the inner screw sheath, the light
It learns range sensor and the control assembly communicates to connect.The circuit board is set on the end of the inner screw sheath, the control assembly
It is set to the inside of the circuit board.The miniature input panel be set to the outside of the circuit board and with the control assembly communication link
It connects.
The utility model realizes the control of the forward or backward distance of the push rod by the control assembly and stepper motor
System, so as to realize quantitative extraction liquid or calibrated shot liquid.
In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation
What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example
Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the utility model.In this explanation
In book, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
Although above preferred embodiment is not used in conclusion the utility model is disclosed above with preferred embodiment
To limit the utility model, those skilled in the art can make without departing from the spirit and scope of the utility model
It is various to change and retouch, therefore the protection scope of the utility model subjects to the scope of the claims.
Claims (6)
1. a kind of medication injections device assembly with optical distance sensor, which is characterized in that including control assembly, injection-tube group
Part, stepper motor, external thread sleeve, inner screw sheath and optical distance sensor；
The push rod that the injection tube assembly includes shell, is set to the intracorporal piston of shell and connect with piston, the tail of the shell
It holds and is detachably connected with the first end of the inner screw sheath, which is set to the tail end of the shell and the end with the push rod
Connection, the external thread sleeve are connect with the shaft of the stepper motor；
The external thread sleeve connect with the inner screw sheath spiral so that its can along the axial screw of the inner screw sheath advance or after
It moves back, so that the push rod be driven to be advanced axially relative or retreat, which is set to separate injection tube assembly of inner screw sheath
One end and be electrically connected with the stepper motor with the rotation angle for controlling the motor, which is set to this
One end far from the injection tube assembly of inner screw sheath and the inside for being located at inner screw sheath, the optical distance sensor is for detecting
The distance between the end of the external thread sleeve and the inner screw sheath, the optical distance sensor and the control assembly communicate to connect；
It further include one for inputting the miniature input panel of injection volume or extraction amount, which is set to the circuit
The outside of plate is simultaneously communicated to connect with the control assembly；
Before the injection volume or extraction meter that the control assembly is used to be inputted according to the miniature input panel calculate push rod needs
The rotation angle value of the stepper motor is then calculated according to the distance of the advance or retrogressing into the distance perhaps retreated, and
It controls the stepper motor and rotates corresponding angle towards corresponding direction.
2. the medication injections device assembly according to claim 1 with optical distance sensor, which is characterized in that further include
One circuit board, the circuit board are set on the end of the inner screw sheath, which is set to the inside of the circuit board.
3. the medication injections device assembly according to claim 2 with optical distance sensor, which is characterized in that further include
One metal screw, the shell are detachably connected by the metal screw and inner screw sheath realization, the external thread sleeve
Outer wall on be provided with the first conductive metal layer, be provided with the second conductive metal layer on the side wall and tail end of the shell, this is interior
The internal thread structure of thread bush is conductive metal, and the external thread structure of the external thread sleeve is conductive metal；
One positive output port of the control assembly passes sequentially through first conductive metal layer, the second conductive metal layer and the stepping
One positive input port of motor is electrically connected；
One negative output port of the control assembly passes sequentially through the one of the internal thread structure, external thread structure and the stepper motor
The electrical connection of negative input port.
4. the medication injections device assembly according to claim 3 with optical distance sensor, which is characterized in that the step
It is circumferentially flexibly connected into the end of motor with the end of the push rod, and axial restraint, the end of the stepper motor and shell week
To fixation.
5. the medication injections device assembly according to claim 4 with optical distance sensor, which is characterized in that stepping electricity
The position for closing on end of machine is provided with accommodating chamber and is provided with the through-hole being connected to the accommodating chamber in the end, in the accommodating chamber
It is provided with a rotatably round connecting plate, offers an irregularly-shaped hole at the axis of the connecting plate, the end of the push rod passes through should
Through-hole simultaneously crosses win mating connection with the irregularly-shaped hole on the connecting plate.
6. the medication injections device assembly according to claim 5 with optical distance sensor, which is characterized in that the shell
Tail end on be provided with retention bead, the end of the stepper motor is provided with limiting groove, which is plugged in the limit
In groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821179788.7U CN209286372U (en) | 2018-07-25 | 2018-07-25 | Medication injections device assembly with optical distance sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821179788.7U CN209286372U (en) | 2018-07-25 | 2018-07-25 | Medication injections device assembly with optical distance sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209286372U true CN209286372U (en) | 2019-08-23 |
Family
ID=67651680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821179788.7U Expired - Fee Related CN209286372U (en) | 2018-07-25 | 2018-07-25 | Medication injections device assembly with optical distance sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209286372U (en) |
-
2018
- 2018-07-25 CN CN201821179788.7U patent/CN209286372U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190823 Termination date: 20210725 |