CN217219775U

CN217219775U - Electronic injector capable of accurately controlling injection amount

Info

Publication number: CN217219775U
Application number: CN202123174899.3U
Authority: CN
Inventors: 张元锋
Original assignee: Suzhou Meigang Biomedical Technology Co Ltd
Current assignee: Suzhou Meigang Biomedical Technology Co Ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-08-19
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses an electronic injector capable of accurately controlling injection quantity, which comprises an upper shell component, a lower shell component and an injector body, wherein the upper shell component comprises a first lead screw, a first motor, a chuck, a positioning block, a first magnetic sheet, a fixing plate, a limiting rod, a first shell and a control button, the lower shell component comprises a second lead screw, a second motor, a moving rod, a supporting frame, a guide groove, a scale mark, a positioning groove, a second magnetic sheet, a second shell and a limiting block, the inside of the injector body is connected with a piston rod in a sliding way, the inner upper surface of the first shell is fixedly connected with the first motor, the inner upper surface of the first shell is movably connected with the first lead screw, the circumferential surface of the first lead screw is connected with the chuck in a sliding way, the lower surface of the first shell is fixedly connected with the positioning block and the first magnetic sheet, the utility model discloses an internal injector body is conveniently disassembled and conveniently installed again, and the injection amount can be accurately controlled conveniently.

Description

Electronic injector capable of accurately controlling injection amount

Technical Field

The utility model relates to an injector body field specifically is an electronic injector that can accurate control injection volume

Background

The process that the injector body extracts and injects gas or liquid by using a needle is called injection, the injector body consists of a syringe with a small hole at the front end and a matched piston core rod and is used for injecting a small amount of liquid or injecting the liquid into an area which cannot be accessed by other methods or extracting the liquid or the gas from the area, the small hole at the front end of the syringe sucks the liquid or the gas when the core rod is pulled out, and the liquid or the gas is extruded when the core rod is pushed in.

But present electronic injector can't accurate control injection volume when carrying out the injection operation to cause injection numerical value deviation easily, lead to bad consequence, and when electronic injector inside syringe body takes place to damage, when changing, complex operation, inconvenient change the use fast.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic injector that can accurate control injection volume to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an electronic syringe that can accurate control injection volume, includes casing assembly, casing assembly and syringe body down, it includes first lead screw, first motor, chuck, locating piece, first magnetic sheet, fixed plate, gag lever post, first casing and control button to go up casing assembly. The interior of the syringe body is connected with a piston rod in a sliding manner.

As a further aspect of the present invention: the utility model discloses a syringe, including first casing, first motor of interior upper surface fixedly connected with of first casing, the interior upper surface swing joint of first casing has first lead screw, the periphery sliding connection of first lead screw has the chuck, the lower fixed surface of first casing is connected with locating piece and first magnetic sheet, the right side wall fixedly connected with fixed plate of first casing, the internal rotation of fixed plate is connected with the gag lever post, the upper surface of first casing is provided with control button, can install the syringe needle and drive first lead screw through first motor and rotate with the one end of syringe body, and first lead screw drives the chuck and carries out the displacement, and the push pedal phase-match of chuck and piston rod one end H shape can drive the piston rod and remove to remove and take out the liquid medicine, and first motor drives the chuck and resets, and the dish drives the push pedal and locates to reset and can accomplish the injection.

As a further aspect of the present invention: the output of first motor and the one end fixed connection of first lead screw, chuck and first lead screw threaded connection conveniently inject automatically, have reduced staff's working strength.

As a further aspect of the present invention: the one end fixedly connected with push pedal of piston rod, the shape of push pedal sets up to the H form, and with the size phase-match of chuck, drives the push pedal and carries out the displacement and fix the piston rod simultaneously when making things convenient for the chuck to remove the operation to and the convenience is dismantled.

As a further aspect of the present invention: the inner lower surface of the second shell is fixedly connected with a second motor and a support rod, the upper surface of the support rod is movably connected with a syringe body, the inner lower surface of the second shell is rotatably connected with a second lead screw, the periphery of the second lead screw is slidably connected with a moving rod, the lower surface of the second shell is provided with a guide groove and a scale mark, the upper surface of the second shell is provided with a positioning groove, the upper surface of the second shell is fixedly connected with a second magnetic sheet, the right side wall of the second shell is fixedly connected with a limit block, when quantitative injection is needed, the second lead screw can be driven to rotate by opening the second motor, the second lead screw rotates and drives the moving rod to displace, a user observes the position of the moving rod through the guide groove and is matched with the scale mark to carry out accurate positioning, when the syringe body inside is damaged, the limit rod is rotated to be matched with the limit groove inside the limit block, can take first casing out, the user can take out the syringe body to change, change the completion back, with chuck alignment position back, through locating piece and constant head tank location, the rethread first magnetic sheet adsorbs each other with the second magnetic sheet, rotatory gag lever post resets and can accomplish fixedly.

As a further aspect of the present invention: the output of second motor and the one end fixed connection of second lead screw, the periphery threaded connection of carriage release lever and second lead screw conveniently drives the carriage release lever and carries out the displacement and come accurate control injection volume, the one end of carriage release lever extends to the inside of guide way, the other end shape of carriage release lever sets up to the arc, and with the periphery phase-match of piston rod, the size is less than the push pedal size, conveniently carries out spacing operation to the push pedal.

As a further aspect of the present invention: first magnetic sheet and second magnetic sheet are opposite sex magnet each other, conveniently adsorb first casing and second casing, the inside of stopper is provided with the spacing groove, the shape of spacing groove sets up to the rectangle, and with the one end shape phase-match of gag lever post, the gag lever post is rotatory to 90 degrees and can accomplish the spacing operation of first casing and second casing, resets and can take out, the size phase-match of locating piece and constant head tank conveniently carries out the location connection.

Advantageous effects

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

through being provided with casing and lower casing subassembly, when using the device, can install the syringe needle and drive first lead screw through first motor and rotate with the one end of syringe body. First lead screw drives the chuck and carries out the displacement, the push pedal phase-match of chuck and piston rod one end H shape can drive the piston rod and remove right and take out the liquid medicine, when needs quantitative injection, can drive the second lead screw through opening the second motor and rotate, the second lead screw rotates and drives the carriage release lever and carry out the displacement, the user observes the position of carriage release lever through the guide way and carries out accurate location with the scale mark cooperation, can open first motor and drive the chuck and reset. The chuck drives the push plate to reset to the moving position, and then the injection amount can be accurately controlled. When the syringe body inside takes place to damage, rotate the inside spacing groove phase-match of gag lever post and stopper, can take out first casing, the user can take out the syringe body to change. After the replacement is completed, after the chuck is aligned, the chuck is positioned through the positioning block and the positioning groove, the first magnetic sheet and the second magnetic sheet are mutually adsorbed, the limiting rod is rotated to 90 degrees to complete fixation, the inner injector body is conveniently detached and conveniently installed again, and the injection amount is conveniently accurately controlled.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the internal structure of the present invention;

fig. 3 is a schematic structural diagram of a first housing in the present invention;

fig. 4 is a schematic structural diagram of a second housing according to the present invention;

fig. 5 is a partial enlarged view of a in fig. 1 according to the present invention.

In the figure: 1. an upper housing assembly; 2. a lower housing assembly; 3. an injector body; 4. a control button; 11. a first lead screw; 12. a first motor; 13. a chuck; 14. positioning blocks; 15. a first magnetic sheet; 16. a fixing plate; 17. a limiting rod; 18. a first housing; 21. a second lead screw; 22. a second motor; 23. a travel bar; 24. a support frame; 25. a guide groove; 26. scale lines; 27. positioning a groove; 28. a second magnetic sheet; 29. a second housing; 210. a limiting block; 31. a piston rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-5, in an embodiment of the present invention, an electronic injector capable of accurately controlling injection amount, includes an upper housing assembly 1, a lower housing assembly 2 and an injector body 3, wherein the upper housing assembly 1 includes a first lead screw 11, a first motor 12, a chuck 13, a positioning block 14, a first magnetic sheet 15, a fixing plate 16, a limiting rod 17, a first housing 18 and a control button 4, the lower housing assembly 2 includes a second lead screw 21, a second motor 22, a moving rod 23, a support frame 24, a guide groove 25, a scale mark 26, a positioning groove 27, a second magnetic sheet 28, a second housing 29 and a limiting block 210, and the injector body 3 has a piston rod 31 inside.

As a further aspect of the present invention: the inner upper surface of the first shell 18 is fixedly connected with a first motor 12, the inner upper surface of the first shell 18 is movably connected with a first screw rod 11, the circumferential surface of the first screw rod 11 is connected with a chuck 13 in a sliding manner, and the lower surface of the first shell 18 is fixedly connected with a positioning block 14 and a first magnetic sheet 15. A fixed plate 16 is fixedly connected to the right side wall of the first housing 18, and a limit rod 17 is rotatably connected to the inside of the fixed plate 16. The upper surface of the first shell 18 is provided with a control button 4, a needle head can be installed at one end of the injector body 3, the first motor 12 drives the first screw rod 11 to rotate, the first screw rod 11 drives the chuck 13 to move, and the chuck 13 is matched with an H-shaped push plate at one end of the piston rod 31, so that the piston rod 31 can be driven to move rightwards to draw out the liquid medicine. The first motor 12 drives the chuck 13 to reset, and the chuck drives the push plate to the moving position to reset, so that injection can be completed.

As the utility model discloses further scheme again: the output end of the first motor 12 is fixedly connected with one end of the first screw rod 11, and the chuck 13 is in threaded connection with the first screw rod 11, so that automatic injection is facilitated, and the working strength of workers is reduced.

As a further aspect of the present invention: the one end fixedly connected with push pedal of piston rod 31, the shape of push pedal sets up to the H form, and with chuck 13's size phase-match, drives the push pedal and carries out the displacement and fix piston rod 31 simultaneously when making things convenient for chuck 13 to remove to and the convenient operation of dismantling.

As a further aspect of the present invention: the inner lower surface of the second shell 29 is fixedly connected with a second motor 22 and a support bar, and the upper surface of the support bar is movably connected with the injector body 3. The inner lower surface of the second shell 29 is rotatably connected with a second screw rod 21, the circumferential surface of the second screw rod 21 is slidably connected with a moving rod 23, the lower surface of the second shell 29 is provided with a guide groove 25 and a scale mark 26, and the upper surface of the second shell 29 is provided with a positioning groove 27. The upper surface of the second casing 29 is fixedly connected with a second magnetic sheet 28, and the right side wall of the second casing 29 is fixedly connected with a limit block 210. When quantitative injection is needed, the second motor 22 can be turned on to drive the second lead screw 21 to rotate, the second lead screw 21 rotates and drives the moving rod 23 to move, a user observes the position of the moving rod 23 through the guide groove 25 and is matched with the scale marks 26 to perform accurate positioning, and when the inner injector body 3 is damaged, the limiting rod 17 is rotated to be matched with the limiting groove in the limiting block 210, so that the first shell 18 can be pulled out. The user can take out syringe body 3 to change, and the change is accomplished the back, with chuck 13 alignment position back, through locating piece 14 and constant head tank 27 location, rethread first magnetic sheet 15 and second magnetic sheet 28 adsorb each other, and rotatory gag lever post 17 resets and can accomplish fixedly.

As a further aspect of the present invention: the output end of the second motor 22 is fixedly connected with one end of the second screw rod 21, the moving rod 23 is in threaded connection with the circumferential surface of the second screw rod 21, the moving rod 23 is conveniently driven to move to accurately control the injection amount, and one end of the moving rod 23 extends to the inside of the guide groove 25. The other end shape of carriage release lever 23 sets up to the arc, and with piston rod 31's periphery phase-match, the size is less than the push pedal size, conveniently carries out spacing operation to the push pedal.

As a further aspect of the present invention: the first magnetic sheet 15 and the second magnetic sheet 28 are opposite magnets to each other, and thus the first casing 18 and the second casing 29 are easily attached. The inside of stopper 210 is provided with the spacing groove, and the shape of spacing groove sets up to the rectangle, and with the one end shape phase-match of gag lever post 17, and the spacing operation of first casing 18 and second casing 29 can be accomplished to the gag lever post 17 rotation to 90 degrees, resets and can take out, and the size phase-match of locating piece 14 and constant head tank 27 conveniently carries out the location connection.

The utility model discloses a theory of operation is:

when the device is used, a needle head is arranged at one end of the injector body 3, the first motor 12 drives the first screw rod 11 to rotate, the first screw rod 11 drives the chuck 13 to move, the chuck 13 is matched with an H-shaped push plate at one end of the piston rod 31, the piston rod 31 can be driven to move rightwards to draw out liquid medicine, and when quantitative injection is needed, the second motor 22 can be opened to drive the second screw rod 21 to rotate. Second lead screw 21 rotates and drives the carriage release lever 23 and carry out the displacement, and the user observes the position of carriage release lever 23 through guide way 25 and carries out accurate location with the cooperation of scale mark 26, can open first motor 12 and drive chuck 13 and reset, and chuck 13 drives the push pedal and resets to removal department and can accomplish accurate control injection volume. When the internal injector body 3 is damaged, the first shell 18 can be drawn out by rotating the limiting rod 17 to match with the limiting groove in the limiting block 210, and the user can take out the injector body 3 and replace the injector body. After the replacement is completed, after the chuck 13 is aligned, the positioning block 14 and the positioning groove 27 are used for positioning, the first magnetic sheet 15 and the second magnetic sheet 28 are mutually adsorbed, and the limiting rod 17 is rotated to 90 degrees to complete the fixation.

The above, 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. An electronic injector capable of accurately controlling injection amount, which comprises an upper shell assembly (1), a lower shell assembly (2) and an injector body (3), and is characterized in that: go up casing subassembly (1) including first casing (18), the interior upper surface fixedly connected with of first casing (18) has first motor (12), the interior upper surface swing joint of first casing (18) has first lead screw (11), the periphery sliding connection of first lead screw (11) has chuck (13), the lower fixed surface of first casing (18) is connected with locating piece (14) and first magnetic sheet (15), the right side wall fixedly connected with fixed plate (16) of first casing (18), the inside rotation of fixed plate (16) is connected with gag lever post (17), the upper surface of first casing (18) is provided with control button (4), just the inside sliding connection of syringe body (3) has piston rod (31).

2. An electronic injector capable of accurately controlling injection quantity according to claim 1, characterized in that: the output end of the first motor (12) is fixedly connected with one end of the first screw rod (11), and the chuck (13) is in threaded connection with the first screw rod (11).

3. An electronic injector capable of accurately controlling injection quantity according to claim 2, characterized in that: one end of the piston rod (31) is fixedly connected with a push plate, and the push plate is H-shaped and matched with the chuck (13) in size.

4. An electronic injector capable of accurately controlling injection quantity according to claim 2, characterized in that: the lower shell assembly comprises a second shell (29), a second motor (22) and a supporting rod are fixedly connected to the inner lower surface of the second shell, the upper surface of the supporting rod is movably connected with the injector body (3), a second lead screw (21) is rotatably connected to the inner lower surface of the second shell (29), and a moving rod (23) is slidably connected to the circumferential surface of the second lead screw (21).

5. An electronic injector capable of accurately controlling injection quantity according to claim 4, characterized in that: guide way (25) and scale mark (26) have been seted up to the lower surface of second casing (29), constant head tank (27) have been seted up to the upper surface of second casing (29), the last fixed surface of second casing (29) is connected with second magnetic sheet (28), the right side wall fixedly connected with stopper (210) of second casing (29).

6. An electronic injector capable of accurately controlling the injection quantity according to claim 5, characterized in that: the output of second motor (22) and the one end fixed connection of second lead screw (21), the periphery threaded connection of carriage release lever (23) and second lead screw (21), the one end of carriage release lever (23) extends to the inside of guide way (25), the other end shape of carriage release lever (23) sets up to the arc, and with the periphery phase-match of piston rod (31), the size is less than the push plate size.

7. An electronic injector capable of accurately controlling injection quantity according to claim 6, characterized in that: first magnetic sheet (15) and second magnetic sheet (28) are opposite magnets each other, the inside of stopper (210) is provided with the spacing groove, the shape of spacing groove sets up to the rectangle, and with the one end shape phase-match of gag lever post (17), the size phase-match of locating piece (14) and constant head tank (27).