CN207384563U - Intelligent insulin injection pen - Google Patents

Abstract

The utility model discloses a kind of intelligent insulin injection pen, including a main body, main body includes injection driving mechanism, injecting assembly, power supply module, control and display module, housing unit and automatic entrance-exit pin mechanism, the injecting assembly and further includes insulin pen-cartridge, syringe needle, skin locating piece；Automatic entrance-exit pin mechanism and the injection driving mechanism are arranged in housing unit, and the injecting assembly is connected to the injection driving mechanism front end and stretches out outside housing unit；The skin locating piece covers at injecting assembly, and skin locating piece front end offers syringe needle hole, and end is fixedly connected on housing unit；The automatic entrance-exit pin mechanism driving injection driving mechanism and injecting assembly move back and forth, and the syringe needle is stretched out or retracted by the syringe needle hole of skin locating piece during back-and-forth motion.The utility model realizes whole-course automation, and injection point, syringe needle insertion depth, injection measurement can be accurately controlled, and avoids tradition and is inserted directly into the uncertain and some patientss of syringe needle mode to negative effects such as syringe needle fears.

Description

Intelligent insulin injection pen

" technical field "

The utility model is related to medical instruments fields, and in particular to a kind of intelligence insulin injection pen.

" background technology "

Traditional insulin syringe is often present with following problems in insulin injection：First, patient is using note manually It penetrates, is often present with the problem of injection of insulin is excessive or very few, cause to influence Morbidity control；2nd, sometimes for acting hurriedly in a messy situation, often Insulin injection can be forgotten in the stipulated time；3rd, patient is when carrying out hand injection, and the rocking of hand can bring larger to oneself Inserting needle wound face；4th, Most patients, which have an acupuncture treatment to mode manually and carry out to be subcutaneously injected, neurosis and huge Psychological pressure.

Such as the patent of invention that Chinese notification number is CN103170038B discloses a kind of insulin injection pen, including pen Cap, syringe needle, built-in piston have simultaneously pre-installed the injection pipe of medicament, injection casing, positioning wedged block, screw rod, nut pipe, fixing pipe, rotation Pipe and button, screw rod both sides distinguish cut-out screw thread and form two sections parallel to each other vertically, and screw front end is pressure head, Screw rod is coupled with the internal thread of nut pipe, which further includes rotation handle main spring, and rotation handle is located at the injection pen Outer end be the one side opposite with the cap for brush, coil outer end is arranged on rotation handle inner and is fixed with rotation handle, coil it is another One end connects with nut pipe clamp, and positioning wedged block is nested with outside coil and is clamped with coil；Nut pipe is arranged on pressure head and positioning wedged block Between；Main spring is nested on coil, and one end of main spring is fixed with rotating the inside of handle, the other end of main spring It is fixed with positioning wedged block.The present invention is by the adjusting repeatedly of positioning wedged block and main spring, brake spring, it can be achieved that repeatedly making With.

Afterwards, in order to facilitate practical operation and control, it there has been insulin syringe invention automatically or semi-automatically.China The application for a patent for invention of Publication No. CN105194766A discloses a kind of intelligent automatic insulin injection pen, include the pen cap with The piston being arranged in the pen cap, piston are connected with drive rod, further include control system, and control system includes microcontroller and servo electricity Machine, for servomotor to be controlled to operate, servomotor is connected microcontroller by drive rod with piston, and servomotor is used to control work Plug movement.The inventive technique has and can accurately control insulin dosage, remind user medication, remind user's insulin remaining Dosage, control insulin storage temperature and remind user go out carrying insulin injection pen the advantages of.

However, this so-called auto injector for insulin invention can't be realized when actual injection operates it is complete from Dynamicization operates, i.e., its syringe needle insertion human skin when still still manual operation, cause to occur being unable to control insertion needle The depth, to acupuncture treatment generate fear a series of problems, such as, bring great inconvenience to numerous diabetics.

" utility model content "

The utility model is intended to provide a kind of intelligent insulin injection pen, can realize the automation manipulation that syringe needle is retreated, It avoids artificially manipulating the harmful effect brought.

In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals：

A kind of intelligence insulin injection pen, including a main body, main body includes injection driving mechanism, injecting assembly, power supply Component, control and display module；Injecting assembly includes insulin pen-cartridge and syringe needle, control and display module control injection driving machine The action of structure simultaneously shows injection relevant information, and the liquid of injection driving mechanism driving novopen in-core is exported by the syringe needle, Power supply module is injection driving mechanism and control and display module power supply；It is characterized in that：Described main body further includes housing group Part and automatic entrance-exit pin mechanism, the injecting assembly further include skin locating piece；Automatic entrance-exit pin mechanism and the injection driving Mechanism is arranged in housing unit, and the injecting assembly is connected to the injection driving mechanism front end and stretches out outside housing unit Portion；The skin locating piece covers at injecting assembly, and skin locating piece front end offers syringe needle hole, and end is fixedly connected on housing On component；The automatic entrance-exit pin mechanism driving injection driving mechanism and injecting assembly move back and forth, and the syringe needle is in front and rear shifting It is stretched out or is retracted by the syringe needle hole of skin locating piece during dynamic.

As specific technical solution, the housing unit includes upper cover and lower cover, upper cover and lower cover pairing, forms one Housing with mounted inside chamber, the assembly cavity of enclosure interior are divided into the first sub- cavity and the second sub- cavity；The power supply module It is fixedly installed on automatic entrance-exit pin mechanism in the first sub- cavity, the injection driving mechanism can be arranged at second movably forward and backward In sub- cavity, the locating piece connector sleeve is fixedly installed on the second sub- cavity front end.

As specific technical solution, the power supply module includes rechargeable battery, USB board and USB lids.

As specific technical solution, the control and display module include the display that pcb board and pcb board are electrically connected Part and input signal sampler.

As specific technical solution, the display device includes OLED circuit boards and OLED screen, on the housing unit Display window is offered, the OLED screen is fixedly installed at display window, and OLED circuit boards are arranged inside housing unit, with Pcb board is electrically connected, and OLED circuit boards are electrically connected with OLED screen.

As specific technical solution, the display device further includes silicagel pad and transparent cover plate, on the housing unit Transparent cover plate mounting groove is offered on the display window periphery, transparent cover plate is fixedly installed at transparent cover plate mounting groove, Silicagel pad is set between OLED screen edge and transparent cover plate.

As specific technical solution, the input signal sampler is switched for shuttle and turncap, shuttle switch dress Arranged on the rear end of the second sub- cavity, turncap is arranged at outside housing unit, and is switched and coordinated with shuttle, shuttle switch and PCB Plate is electrically connected.

As specific technical solution, the automatic entrance-exit pin mechanism include electric machine support, threaded rod, into withdraw of the needle motor, Forward block, bearing, bracket cover；Electric machine support is fixed into withdraw of the needle motor rear end, the output shaft into withdraw of the needle motor extends rearward into motor In stent；Threaded rod one end is fixedly connected with output shaft, and the other end is arranged on bearing, and bearing is arranged on bracket cover, bracket cover It is fixed on electric machine support rear end；Forward block is bolted on threaded rod；Forward block is provided with propulsion connecting portion, which stretches Go out electric machine support and be fixedly connected with the injection driving mechanism.

As specific technical solution, the injection driving mechanism includes housing, pushing block, nut, concentric locking collar, screw, silk Bar fixing sleeve, motor transmission shaft, transmission shaft outer cover, injecting motor, electric machine casing；Injecting motor is arranged in electric machine casing, defeated Shaft is stretched out by electric machine casing front end, and is fixedly connected with motor transmission shaft；Transmission shaft outer cover is sheathed on outside motor transmission shaft, Concentric locking collar butts up against transmission shaft outer cover front end；Housing is sheathed on outside concentric locking collar and transmission shaft outer cover, and housing passes through with concentric locking collar Be screwed connection；Screw fixing sleeve is arranged inside concentric locking collar and motor transmission shaft, is rotated with motor transmission shaft, relatively with one heart Set rotates；Nut is fixedly installed on the front end of concentric locking collar, and the front end of screw is fixedly connected with pushing block, and rear portion passes through axially directed mechanism It is arranged inside screw fixing sleeve, screw coordinates with nut；The insulin pen-cartridge is fixedly installed on the front end of housing, described to push away Block sealing is matched with insulin pen-cartridge inner wall.

As specific technical solution, the injection driving mechanism further includes fixed bullet circle, and the injecting assembly further includes Insulin pen-cartridge fixes cover, and insulin pen-cartridge fixes cover and insulin pen-cartridge is butted up against the housing front end, fixes bullet circle by pancreas Island element pen core is fixed cover and is fixedly connected with housing.

As specific technical solution, the injection driving mechanism further includes sliding axle, and slip is provided on electric machine casing Axis auxiliary section, the housing unit are internally provided with sliding axle support column；Sliding axle both ends are fixedly installed on the cunning of housing unit On shafts support column, the sliding axle auxiliary section is arranged on sliding axle.

As specific technical solution, propulsion connecting seat is provided on the side wall of the housing, the propulsion connecting seat with from The propulsion connecting portion of forward block is fixedly connected in moving into withdraw of the needle mechanism.

As specific technical solution, intelligent insulin injection pen further includes protective cover, and protective cover, which is arranged on, is arranged at institute It states outside skin locating piece, and is fastened with the housing unit.

As specific technical solution, the surrounding of the syringe needle hole of the skin locating piece is provided with the convex of several pyramid-shapeds Point.

As specific technical solution, the housing unit further includes locating piece connector sleeve, and locating piece connector sleeve is located at the Two sub- cavity front ends, and be fixed between upper cover and lower cover, the skin locating piece rear end is fixedly connected with locating piece connector sleeve.

Intelligence insulin injection pen provided by the utility model, its advantage are：By being set in housing unit Automatic entrance-exit pin mechanism so that injection driving mechanism automatic front and rear shifting under the driving of automatic entrance-exit pin mechanism with injecting assembly It is dynamic；In addition, installing skin locating piece in housing unit front end, which covers injecting assembly and leave stretches for syringe needle Syringe needle hole so that before inserting needle, entire injection pen can first be located in injection skin at, be then inserted into syringe needle.This practicality is new Type realizes whole-course automation, and injection point, syringe needle insertion depth, injection measurement can be accurately controlled, and avoids traditional straight Connect the negative effects such as the uncertainty of insertion needle mode.

" description of the drawings "

Fig. 1 is the overall appearance figure for the intelligent insulin injection pen that the utility model embodiment provides.

Fig. 2 is the exploded view for the intelligent insulin injection pen that the utility model embodiment provides.

Fig. 3, Fig. 4 and Fig. 5 are the signal of the assembling process for the intelligent insulin injection pen that the utility model embodiment provides Figure.

Fig. 6 is the exploded view of automatic entrance-exit pin mechanism in the intelligent insulin injection pen that the utility model embodiment provides.

Fig. 7 is the exploded view that driving mechanism is injected in the intelligent insulin injection pen that the utility model embodiment provides.

Fig. 8 is that driving mechanism and injecting assembly are injected in the intelligent insulin injection pen that the utility model embodiment provides Installation diagram.

Fig. 9 is the sectional view of component shown in Fig. 8.

" specific embodiment "

Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：

As shown in Figure 1, intelligence insulin injection pen provided in this embodiment includes a main body 1 and protective cover 2, protective cover 2 It is arranged on 1 front end of a main body.

As shown in Fig. 2, main body 1 includes housing unit, automatic entrance-exit pin mechanism 13, injection driving mechanism 14, injection group Part 15, power supply module 16, control and display module 17.Specifically, housing unit includes upper cover 111, lower cover 112, upper and lower covers company Fishplate bar 113, rosette 114 and locating piece connector sleeve 115.Power supply module 16 includes rechargeable battery 161, USB board 162, USB lids 163.Injecting assembly 15 includes insulin pen-cartridge 151, insulin pen-cartridge fixes cover 152, syringe needle 153, skin locating piece 154.Control System and display module 17 include pcb board 171, OLED circuit boards 172, OLED screen 173, silicagel pad 174, transparent cover plate 175, shuttle Switch 176 and turncap 177.

Wherein, 112 pairing of upper cover 111 and lower cover, rear end are fixedly connected by upper and lower covers connecting plate 113, and front end is by rosette 114 bandings form a housing with mounted inside chamber.The assembly cavity of enclosure interior is divided into first sub- the 116, second son of cavity Cavity 117, be provided between the first sub- 116 and second sub- cavity 117 of cavity automatic entrance-exit pin mechanism fixed screw column 1181, on Lower cover connecting screw column 1182, sliding axle support column 1183.

With reference to shown in Fig. 2 and Fig. 3, power supply module 16 is fixedly installed on rear portion in the first sub- cavity 116, automatic entrance-exit pin machine Structure 13 is fixedly installed on forepart in the first sub- cavity 116；Injection driving mechanism 14 can be installed in the second sub- cavity movably forward and backward In 117.Shuttle switch 176 is installed in the rear end of the second sub- cavity 117, and turncap 177 is arranged at hull outside, and is opened with shuttle 176 cooperations are closed, shuttle switch 176 is electrically connected with pcb board 171.Locating piece connector sleeve 115 is located at the second sub- 117 front end of cavity, and It is fixed between upper cover 111 and lower cover 112.

With reference to shown in Fig. 2 and Fig. 4, the insulin pen-cartridge 151 of injecting assembly 15 is fixed cover 152 by insulin pen-cartridge and is fixed The front end of injection driving mechanism 14 is arranged at, syringe needle 153, which is spirally connected, fixes the front end of cover 152 with insulin pen-cartridge.With reference to Fig. 5, skin Skin locating piece 154 covers at insulin pen-cartridge 151, insulin pen-cartridge fixes cover 152, outside syringe needle 153, and rear end connects with locating piece Female connector 115 is fixedly connected, and front end offers syringe needle hole 1541, and the surrounding of syringe needle hole 1541 is provided with the salient point of several pyramid-shapeds 1542。

With continued reference to Fig. 2 and Fig. 5, display window 1111 and transparent cover plate mounting groove 1112 are offered in upper cover 111, is controlled And the OLED screen 173 of display module 17 is fixedly installed at display window 1111, transparent cover plate 175 is fixedly installed on transparent cover plate At mounting groove 1112, silicagel pad 174 is provided between 173 edge of OLED screen and transparent cover plate 175；Pcb board 171 and OLED circuits Plate 172 is arranged inside upper cover 111, and pcb board 171 is electrically connected with OLED circuit boards 172, OLED circuit boards 172 and OLED screen 173 Electrical connection.

As shown in fig. 6, automatic entrance-exit pin mechanism 13 includes electric machine support 131, threaded rod 132, motor 133, forward block 134th, bearing 135, bracket cover 136.Electric machine support 131 is fixed in 133 rear end of motor, and the output shaft of motor 133 extends rearward into motor In stent 131,132 one end of threaded rod is fixedly connected with output shaft, and the other end is arranged on bearing 135；Bearing 135 is arranged at stent On lid 136, bracket cover 136 is fixed on 131 rear end of electric machine support, and forward block 134 is bolted on threaded rod 132；Electric machine support 131 Inside offers propulsion window, and 134 inside of forward block, which is provided with, promotes connecting portion 1341, the propulsion connecting portion and injection driving machine Structure 14 is fixedly connected, with reference to refering to Fig. 2 and Fig. 3.

As shown in fig. 7, injection driving mechanism 14 include fixed bullet circle 1401, housing 1402, pushing block 1403, nut 1404, Concentric locking collar 1405, screw 1406, screw fixing sleeve 1407, motor transmission shaft 1408, transmission shaft outer cover 1409, motor 1410, electricity Machine upper cover 1411, motor lower cover 1412 and sliding axle 1413.With reference to Fig. 8 and Fig. 9, motor upper cover 1411 and motor lower cover 1412 are right It closes, forms an electric machine casing, motor 1410 is arranged in electric machine casing, and 1410 output shaft of motor is stretched by electric machine casing front end Go out, and be fixedly connected with motor transmission shaft 1408；Transmission shaft outer cover 1409, which is threadably secured, is sheathed on motor transmission shaft 1408 Outside, concentric locking collar 1405 butt up against 1409 front end of transmission shaft outer cover；Housing 1402 is sheathed on concentric locking collar 1405 and transmission shaft outer cover Outside 1409, and it is threadably secured and is connected with concentric locking collar 1405；Screw fixing sleeve 1407 is arranged at concentric locking collar 1405 and motor It inside transmission shaft 1408, rotates with motor transmission shaft 1408, rotated relative to concentric locking collar 1405；Nut 1404 is fixedly installed on one heart The front end of set 1405, the front end of screw 1406 are fixedly connected with pushing block 1403, and rear portion is arranged at screw by axially directed mechanism and consolidates Surely inside set 1407, screw 1406 coordinates with nut 1404, and under the effect of nut 1404, screw 1406 is with screw fixing sleeve 1407 It is moved axially while rotation with respect to screw fixing sleeve 1407.

1402 front end of housing can snapably set fixed bullet circle 1401, and fixed bullet circle 1401 is used to fix insulin pen-cartridge Cover 152 and insulin pen-cartridge 151 are fixedly installed on the front end of housing 1402, while the sealing of pushing block 1403 is caused to be matched with insulin 151 inner wall of pen core.Sliding axle auxiliary section 1415 is provided on electric machine casing, sliding axle 1413 is arranged in the sliding axle auxiliary section 1415, both ends are fixedly installed on the sliding axle support column 1183 of housing unit, referring to Fig. 2 and Fig. 3.On the side wall of housing 1402 It is provided with and promotes connecting seat 1414, which is set with 134 inside of forward block in automatic entrance-exit pin mechanism 13 Connecting portion 1341 is promoted to be fixedly connected.

In above-described embodiment, power supply module 16 provides working power (the present embodiment attached drawing for the power unit of whole device In eliminate supply line), be provided on pcb board 171 signal acquisition, data processing, data storage, display output, control it is defeated Go out to wait functional circuits, be additionally provided with the wireless communication module of communication with the outside world.

The intelligent insulin injection pen that above-described embodiment provides, operation principle and process are as follows：

(1) fix cover 152 using insulin pen-cartridge and fixed bullet circle 1401 sets the fixation of insulin pen-cartridge 151 of preform injection The front end of the housing 1402 of injection driving mechanism 14 is placed in, assembles syringe needle 153 and the skin locating piece 154 that has been spirally connected；

(2) according to actual conditions, by adjusting 176 setting injection parameters of turncap 177 and shuttle switch；

(3) front end of the skin locating piece 154 of injecting assembly 15 is pressed against on injection point skin, starts injection；

(4) motor 133 of automatic entrance-exit pin mechanism 13 starts running, and threaded rod 132 is driven to rotate, and drives forward block 134 It moves forward, the propulsion connecting portion 1341 on forward block 134 drives injection driving mechanism 14 to move forward so that injection driving machine The injecting assembly 15 of 14 front end of structure installation is whole to be moved forward, at this time syringe needle 153 by 154 front end of skin locating piece syringe needle hole 1541 stretch out, and after being pierced into skin set depth, motor 133 shuts down；

(5) motor 1410 for injecting driving mechanism 14 starts running, and motor transmission shaft 1408 is driven to rotate, and then drives silk Bar fixing sleeve 1407 and screw 1406 rotate；Screw 1406 is subject to the guiding role of nut 1404, with respect to silk while rotating Bar fixing sleeve 1407 moves forward, and driving pushing block 1403 is pushed ahead in insulin pen-cartridge 151, will be in injecting liquid drug to human body；

(6) when injecting liquid drug finishes, 1410 antiport of motor of injection driving mechanism 14, driving pushing block 1403 moves back automatically Return to initial position；

(7) 133 antiport of motor of automatic entrance-exit pin mechanism 13 drives injection driving mechanism 14 to move backward so that The injecting assembly 15 of 14 front end of injection driving mechanism installation is whole to be moved backward, and syringe needle 153 is by 154 front end of skin locating piece at this time Syringe needle hole 1541 retract.

In whole work process, control and display module 17 OLED screen 173 can show it is input or alternative The information such as parameter information and working condition.In addition, the radio communication mold set on the pcb board 171 of control and display module 17 Block can carry out data exchange with cell phone application or computer end user software.

Above example is only fully to disclose and unrestricted the utility model, all creation purports based on the utility model, The replacement of equivalence techniques feature without creative work should be considered as the scope of the application exposure.

Claims (14)

1. a kind of intelligence insulin injection pen, including a main body, main body includes injection driving mechanism, injecting assembly, power supply group Part, control and display module；Injecting assembly includes insulin pen-cartridge and syringe needle, control and display module control injection driving mechanism Action and show injection relevant information, injection driving mechanism driving novopen in-core liquid exported by the syringe needle, electricity Source component is injection driving mechanism and control and display module power supply；It is characterized in that：Described main body further includes housing unit With automatic entrance-exit pin mechanism, the injecting assembly further includes skin locating piece；Automatic entrance-exit pin mechanism and the injection driving machine Structure is arranged in housing unit, and the injecting assembly is connected to the injection driving mechanism front end and stretches out outside housing unit； The skin locating piece covers at injecting assembly, and skin locating piece front end offers syringe needle hole, and end is fixedly connected on housing group On part；The automatic entrance-exit pin mechanism driving injection driving mechanism and injecting assembly move back and forth, and the syringe needle is moving back and forth It is stretched out or is retracted by the syringe needle hole of skin locating piece in the process.

2. intelligence insulin injection pen according to claim 1, it is characterised in that：The housing unit includes upper cover under Lid, upper cover and lower cover pairing, form a housing with mounted inside chamber, and the assembly cavity of enclosure interior is divided into the first sub- cavity With the second sub- cavity；The power supply module and automatic entrance-exit pin mechanism are fixedly installed in the first sub- cavity, the injection driving Mechanism can be arranged at movably forward and backward in the second sub- cavity, and the locating piece connector sleeve is fixedly installed on the second sub- cavity front end.

3. intelligence insulin injection pen according to claim 1, it is characterised in that：The control and display module include Pcb board and the display device and input signal sampler of pcb board electrical connection.

4. intelligence insulin injection pen according to claim 3, it is characterised in that：The display device includes OLED circuits Plate and OLED screen offer display window on the housing unit, and the OLED screen is fixedly installed at display window, OLED electricity Road plate is arranged inside housing unit, is electrically connected with pcb board, and OLED circuit boards are electrically connected with OLED screen.

5. intelligence insulin injection pen according to claim 4, it is characterised in that：The display device further includes silicagel pad And transparent cover plate, transparent cover plate mounting groove is offered on the display window periphery on the housing unit, and transparent cover plate is fixed It is arranged at transparent cover plate mounting groove, silicagel pad is set between OLED screen edge and transparent cover plate.

6. intelligence insulin injection pen according to claim 3, it is characterised in that：The input signal sampler is winged Shuttle switchs and turncap, and shuttle switchs the rear end for being installed in the second sub- cavity, and turncap is arranged at outside housing unit, and with flying Shuttle switch cooperation, shuttle switch are electrically connected with pcb board.

7. intelligence insulin injection pen according to claim 1 or 2, it is characterised in that：The automatic entrance-exit pin mechanism bag Include electric machine support, threaded rod, into withdraw of the needle motor, forward block, bearing, bracket cover；Electric machine support is fixed into withdraw of the needle motor rear end, into The output shaft of withdraw of the needle motor is extended rearward into electric machine support；Threaded rod one end is fixedly connected with output shaft, and the other end is arranged at bearing On, bearing is arranged on bracket cover, and bracket cover is fixed on electric machine support rear end；Forward block is bolted on threaded rod；Forward block is set Propulsion connecting portion is equipped with, which stretches out electric machine support and be fixedly connected with the injection driving mechanism.

8. intelligence insulin injection pen according to claim 1 or 2, it is characterised in that：The injection driving mechanism includes Housing, pushing block, nut, concentric locking collar, screw, screw fixing sleeve, motor transmission shaft, transmission shaft outer cover, injecting motor, motor casing Body；Injecting motor is arranged in electric machine casing, and output shaft is stretched out by electric machine casing front end, and is fixedly connected with motor transmission shaft； Transmission shaft outer cover is sheathed on outside motor transmission shaft, and concentric locking collar butts up against transmission shaft outer cover front end；Housing be sheathed on concentric locking collar and Outside transmission shaft outer cover, housing is threadably secured with concentric locking collar and is connected；Screw fixing sleeve is arranged at concentric locking collar and motor drive It inside axis, rotates with motor transmission shaft, rotated relative to concentric locking collar；Nut is fixedly installed on the front end of concentric locking collar, the front end of screw Pushing block is fixedly connected with, rear portion is arranged at by axially directed mechanism inside screw fixing sleeve, and screw coordinates with nut；The pancreas islet Plain pen core is fixedly installed on the front end of housing, and the pushing block sealing is matched with insulin pen-cartridge inner wall.

9. intelligence insulin injection pen according to claim 8, it is characterised in that：The injection driving mechanism further includes solid Determine bullet circle, the injecting assembly further includes insulin pen-cartridge and fixes cover, and insulin pen-cartridge fixes cover and butts up against insulin pen-cartridge Insulin pen-cartridge is fixed cover and is fixedly connected with housing by the housing front end, fixed bullet circle.

10. intelligence insulin injection pen according to claim 8, it is characterised in that：The injection driving mechanism further includes Sliding axle is provided with sliding axle auxiliary section on electric machine casing, and the housing unit is internally provided with sliding axle support column；Sliding axle Both ends are fixedly installed on the sliding axle support column of housing unit, and the sliding axle auxiliary section is arranged on sliding axle.

11. intelligence insulin injection pen according to claim 8, it is characterised in that：It is provided on the side wall of the housing Connecting seat is promoted, which is fixedly connected with the propulsion connecting portion of forward block in automatic entrance-exit pin mechanism.

12. intelligence insulin injection pen according to claim 1, it is characterised in that：The syringe needle hole of the skin locating piece Surrounding be provided with several salient points.

13. the intelligent insulin injection pen according to claim 1 or 12, it is characterised in that：The housing unit further includes Locating piece connector sleeve, locating piece connector sleeve is located at the second sub- cavity front end, and is fixed between upper cover and lower cover, and the skin is determined Position part rear end is fixedly connected with locating piece connector sleeve.

14. intelligence insulin injection pen according to claim 1, it is characterised in that：Intelligent insulin injection pen further includes Protective cover, protective cover, which is arranged on, to be arranged at outside the skin locating piece, and is fastened with the housing unit.