CN207908216U - A kind of automatic injection pump - Google Patents
A kind of automatic injection pump Download PDFInfo
- Publication number
- CN207908216U CN207908216U CN201820145891.3U CN201820145891U CN207908216U CN 207908216 U CN207908216 U CN 207908216U CN 201820145891 U CN201820145891 U CN 201820145891U CN 207908216 U CN207908216 U CN 207908216U
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- China
- Prior art keywords
- sliding block
- syringe
- leading screw
- motor
- automatic injection
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Abstract
The utility model discloses a kind of automatic injection pumps, including the pump housing, and the syringe set on the pump housing, motor, leading screw and sliding block；The output shaft of the motor is coaxially disposed and is fixedly connected with the leading screw, one end of the sliding block is sheathed on the leading screw and coordinates with the threads of lead screw, the other end of the sliding block is fixedly connected with the push rod of the syringe, and the leading screw is arranged in parallel with the syringe pump.The power of motor is transferred to the push rod of syringe by leading screw and sliding block, push rod is driven to carry out the action back and forth extracted and injected, to reach the function of sampling and delivery, therefore, the amount of sampling and injection volume of control syringe can be realized in amount of spin by controlling motor, and the amount of spin of motor can accurately control, therefore can ensure the amount of sampling of syringe and the precision of injection volume.Moreover, the power resources of push rod are controlled in motor, the automation of the syringe course of work is realized.
Description
Technical field
The utility model belongs to detecting instrument technical field, and in particular to a kind of automatic injection pump.
Background technology
Syringe pump is a kind of important tool in detecting instrument, is used for quota sample, therefore inject the essence of pumping amount
It spends particularly significant, how to ensure the precision of syringe pump sampling, while realizing the automation of its course of work, become urgent need to resolve
Problem.
Utility model content
To solve the above-mentioned problems, the purpose of this utility model provides a kind of syringe pump for capableing of automatic ration.
To achieve the above object, the utility model is achieved by following technical scheme：
A kind of automatic injection pump described in the utility model, including the pump housing, and the syringe set on the pump housing, motor,
Leading screw and sliding block；The output shaft of the motor is coaxially disposed and is fixedly connected with the leading screw, and one end of the sliding block is sheathed on
The leading screw simultaneously coordinates with the threads of lead screw, and the other end of the sliding block is fixedly connected with the push rod of the syringe, described
Leading screw is arranged in parallel with the syringe pump.
Further, further include travel switch for limiting the amount of motor rotation, the travel switch and the electricity
Mechatronics.
Further, further include guide post, the guide post is arranged in parallel with the leading screw, and the sliding block is slided with the guide post
Cooperation.
Further, the sliding block includes connector and the screw shell set on described connector one end, the thread bush
Cylinder coordinates with the threads of lead screw.
Further, the sliding block further includes attachment screw, the attachment screw through the syringe push rod and with
The connector is threadedly coupled.
Further, the sliding block further includes linear bearing, and the linear bearing is set to the connector, the linear axis
Bearing sleeve is in the guide post.
Further, the motor, the leading screw and the guide post are set in the pump housing, and the syringe is set to institute
The outer wall of the pump housing is stated, the outer wall of the pump housing is equipped with the sliding slot passed through for the sliding block, and the sliding block is located in the sliding slot.
Further, compartment of terrain is set there are two mounting portion along its length in the pump housing, and the leading screw bridges two
The mounting portion, and every one end of the leading screw is pivotably connected with corresponding mounting portion respectively.
Further, the guide post bridges two mounting portions.
Further, further include shaft coupling, the output shaft of the motor is connect with the leading screw by the shaft coupling.
Compared with prior art, the utility model has the beneficial effects that：
The power of the utility model stepper motor is transferred to the push rod of syringe by leading screw and sliding block, and push rod is driven to carry out
The reciprocal action extracted and inject, to reach the function of sampling and delivery, therefore, the amount of spin by controlling motor can be realized
The amount of sampling and injection volume of syringe are controlled, and the amount of spin of motor can accurately control, therefore can ensure syringe
Amount of sampling and injection volume precision.Moreover, the power resources of push rod are controlled in motor, the syringe course of work oneself is realized
Dynamicization.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is a kind of structural schematic diagram of automatic injection pump described in the utility model；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the A of Fig. 2 to sectional view.
In figure：
The 1- pump housings；11- sliding slots；12- mounting portions；13- bearings；
2- syringes；21- push rods；22- briquettings；
3- motors；31- output shafts；4- leading screws；
5- sliding blocks；51- connectors；52- screw shells；53- attachment screws；54- linear bearings；
6- travel switches；7- guide posts；8- shaft couplings.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in FIG. 1 to 3, a kind of automatic injection pump described in the utility model, including the pump housing 1, and it is set to the pump housing 1
Syringe 2, motor 3, leading screw 4 and sliding block 5.The output shaft 31 of motor 3 is coaxially disposed and is fixedly connected with leading screw 4, sliding block 5
One end be sheathed on leading screw 4 and with 4 screw-thread fit of leading screw, the other end of sliding block 5 is fixedly connected with the push rod 21 of syringe 2, leading screw 4
It is arranged in parallel with syringe pump.Motor 3 drives leading screw 4 to rotate, and the threading force between leading screw 4 and sliding block 5 pushes sliding block 5 along leading screw 4
The movement of movement, sliding block 5 drives push rod 21 to move, and since motor 3 can rotate and reverse, push rod 21 may be implemented back and forth
It extracts and control injection can be realized by the amount of spin of control motor 3 to reach the function of sampling and delivery in the action of injection
The amount of sampling and injection volume of device 2, and the amount of spin of motor 3 can accurately control, therefore can ensure the sampling of syringe 2
The precision of amount and injection volume realizes 2 course of work of syringe moreover, because the power resources of push rod 21 are controlled in motor 3
Automation.
Preferably, the utility model further includes travel switch 6, and travel switch 6 is electrically connected with motor 3, for limiting motor 3
Amount of spin.By the principles of the present invention and structure it is found that the amount of sampling and injection volume of the amount of spin of motor 3 and syringe 2
Linear correlation, therefore user only needs to set the amount of sampling or injection volume that syringe 2 needs, stroke by travel switch 6
Switch 6 can convert the data to the amount of spin of motor 3, and when motor 3 turns over the amount of spin, travel switch 6 is i.e. controllable
Motor 3 stop, to ensure syringe 2 need amount of sampling and injection volume precision.
Preferably, the utility model further includes guide post 7, and guide post 7 is arranged in parallel with leading screw 4, and sliding block 5 is matched with the sliding of guide post 7
It closes, guide post 7 can ensure the precision that sliding block 5 moves with the motion path of correcting sliding block 5.
Preferably, motor 3, leading screw 4 and guide post 7 be set to the pump housing 1 in, avoid these components when in use with other equipment
It interferes, but also the appearance of the pump housing 1 is more succinct；Syringe 2 is set to the outer wall of the pump housing 1, and syringe 2 is facilitated to be set with other
Standby connection and the replacement of syringe 2, specifically, syringe 2 is connected to the outer wall of the pump housing 1 by two briquettings 22；The pump housing 1
Outer wall is equipped with the sliding slot 11 passed through for sliding block 5, and sliding block 5 is located in sliding slot 11, and 5 both ends of sliding block connect with leading screw 4 and push rod 21 respectively
It connects.
Preferably, it is set in the pump housing 1 there are two mounting portion 12, two mounting portions 12 are set along the length direction compartment of terrain of the pump housing 1
It sets, leading screw bridges two mounting portions 12, and every one end of leading screw 4 is pivotably connected with corresponding mounting portion 12 respectively, tool
Body, leading screw 4 is connect by bearing 13 with mounting portion 12.Preferably, guide post 7 also bridges two mounting portions 12, the end of guide post 7
It is fixedly connected with mounting portion 12.Preferably, the utility model further includes shaft coupling 8, and output shaft 31 and the leading screw 4 of motor 3 pass through
Shaft coupling 8 connects.
Preferably, sliding block 5 includes connector 51 and screw shell 52, and screw shell 52 is set to 51 one end of connector, screw thread
Sleeve 52 and 4 screw-thread fit of leading screw.Preferably, sliding block 5 further includes attachment screw 53, and attachment screw 53 is set to connector 51
The other end is used to connect push rod 21, specifically, attachment screw 53 through syringe 2 push rod 21 and with 51 screw thread of connector
Connection.Preferably, sliding block 5 further includes linear bearing 54, and linear bearing 54 is set to connector 51, and linear bearing 54 is placed on guide post 7.
In the present embodiment, guide post 7 is between direct projection device and leading screw 4, and correspondingly, linear bearing 54 is also disposed in connector 51
Portion.
A kind of other structures of automatic injection pump described in the utility model are referring to the prior art.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, therefore it is every without departing from the content of the technical scheme of the utility model, according to the technical essence of the utility model to implementing above
Any modification, equivalent variations and modification, are still within the scope of the technical solutions of the present invention made by example.
Claims (10)
1. a kind of automatic injection pump, which is characterized in that including the pump housing, and the syringe set on the pump housing, motor, leading screw and
Sliding block；The output shaft of the motor is coaxially disposed and is fixedly connected with the leading screw, and one end of the sliding block is sheathed on the silk
Thick stick simultaneously coordinates with the threads of lead screw, and the other end of the sliding block is fixedly connected with the push rod of the syringe, the leading screw and
The syringe pump is arranged in parallel.
2. a kind of automatic injection pump according to claim 1, which is characterized in that further include for limiting the motor rotation
The travel switch of amount, the travel switch are electrically connected with the motor.
3. a kind of automatic injection pump according to claim 1, which is characterized in that further include guide post, the guide post with it is described
Leading screw is arranged in parallel, and the sliding block is slidably matched with the guide post.
4. a kind of automatic injection pump according to claim 3, which is characterized in that the sliding block include connector and be set to institute
The screw shell of connector one end is stated, the screw shell coordinates with the threads of lead screw.
5. a kind of automatic injection pump according to claim 4, which is characterized in that the sliding block further includes attachment screw, institute
Attachment screw is stated through the push rod of the syringe and is threadedly coupled with the connector.
6. a kind of automatic injection pump according to claim 4, which is characterized in that the sliding block further includes linear bearing, institute
It states linear bearing and is set to the connector, the linear bearing is placed on the guide post.
7. a kind of automatic injection pump according to claim 3, which is characterized in that the motor, the leading screw and described lead
Column is set in the pump housing, and the syringe is set to the outer wall of the pump housing, and the outer wall of the pump housing, which is equipped with, supplies the sliding block
The sliding slot passed through, the sliding block are located in the sliding slot.
8. a kind of automatic injection pump according to claim 7, which is characterized in that be spaced along its length in the pump housing
Ground is set there are two mounting portion, and the leading screw bridges two mounting portions, and every one end of the leading screw respectively with it is corresponding
Mounting portion is pivotably connected.
9. a kind of automatic injection pump according to claim 8, which is characterized in that the guide post bridges two installations
Portion.
10. a kind of automatic injection pump according to claim 1, which is characterized in that further include shaft coupling, the motor it is defeated
Shaft is connect with the leading screw by the shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820145891.3U CN207908216U (en) | 2018-01-29 | 2018-01-29 | A kind of automatic injection pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820145891.3U CN207908216U (en) | 2018-01-29 | 2018-01-29 | A kind of automatic injection pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207908216U true CN207908216U (en) | 2018-09-25 |
Family
ID=63565405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820145891.3U Active CN207908216U (en) | 2018-01-29 | 2018-01-29 | A kind of automatic injection pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207908216U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109406725A (en) * | 2018-10-26 | 2019-03-01 | 中国农业科学院烟草研究所 | Study the Mouthsimulator device and its application method of buccal cigarette ingredient release rule |
| CN109395207A (en) * | 2018-10-15 | 2019-03-01 | 深圳市晓控通信科技有限公司 | A kind of injection device with warning function |
| CN110217545A (en) * | 2019-06-12 | 2019-09-10 | 河北工业大学 | A kind of micro-feeder |
-
2018
- 2018-01-29 CN CN201820145891.3U patent/CN207908216U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395207A (en) * | 2018-10-15 | 2019-03-01 | 深圳市晓控通信科技有限公司 | A kind of injection device with warning function |
| CN109406725A (en) * | 2018-10-26 | 2019-03-01 | 中国农业科学院烟草研究所 | Study the Mouthsimulator device and its application method of buccal cigarette ingredient release rule |
| CN109406725B (en) * | 2018-10-26 | 2022-02-11 | 中国农业科学院烟草研究所 | Simulated oral cavity device for researching buccal cigarette ingredient release rule and use method thereof |
| CN110217545A (en) * | 2019-06-12 | 2019-09-10 | 河北工业大学 | A kind of micro-feeder |
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