CN211798042U

CN211798042U - Electronic jet injector

Info

Publication number: CN211798042U
Application number: CN201922147053.7U
Authority: CN
Inventors: 杨峰; 彭美丽
Original assignee: Jiangsu Risheng Lighting Co ltd
Current assignee: Jiangsu Risheng Lighting Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-10-30
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses an electronic type jet injector, including the cylinder, cylinder one end is provided with annular block and needle lid, be provided with closed block on the annular block outer wall, be provided with closed groove on the needle lid inner wall, closed groove and the closed block gap junction on the annular block on the needle lid passes through the inner wall, cylinder one end is provided with the casing, it is connected with the female thread engagement of cylinder one end to go up the external screw thread that the casing passes through one end, the inside spacing ring that is provided with of cylinder, the cylinder other end is provided with down the casing, micro motor's output shaft passes down the casing and passes through the shaft coupling and be connected with the lead screw, and the lead screw other end passes the bearing on the spacing ring. The utility model discloses a setting of a series of structures conveniently installs and dismantles, conveniently carries out the automatic control injection to the injection volume of patient's liquid medicine simultaneously, and convenient operation brings great convenience, labour saving and time saving for medical personnel.

Description

Electronic jet injector

Technical Field

The utility model relates to the technical field of medical equipment, specifically an electronic type jet injector.

Background

Jet injectors are generally used for subcutaneous injection, and most of the jet injectors use a mode of pressurizing injection liquid to enable the injection liquid to pass through an injection hole at high speed and be injected into subcutaneous tissues at a proper angle and pressure; however, the existing syringe is generally provided with a dosage label, when the medical staff uses the syringe, the medical staff reads the numbers on the dosage scales through a window to know the volume of the injection, the volume of the injection cannot be accurately controlled and absorbed at one time, the medical staff needs to stare at the dosage scales all the time during injection, the scale display numbers are small, the medical staff can hardly make mistakes after long-time use, certain use risks are caused, time and labor are wasted, and therefore certain improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic type jet injector to solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: an electronic jet injector comprises a needle cylinder, wherein one end of the needle cylinder is provided with an annular block and a needle cover, the outer wall of the annular block is provided with a closed block, the inner wall of the needle cover is provided with a closed groove, the needle cover is in clearance connection with the closed block on the annular block through the closed groove on the inner wall, one end of the needle cylinder is provided with an upper shell, the upper shell is in meshing connection with the internal thread at one end of the needle cylinder through the external thread at one end, a limit ring is arranged inside the needle cylinder, the other end of the needle cylinder is provided with a lower shell, a micro motor is arranged inside the lower shell, the output shaft of the micro motor passes through the lower shell to be connected with a lead screw through a coupler, the other end of the lead screw passes through a bearing on the limit ring, one end of the lower, and a capacity sensor is arranged on one side of the inner wall of the needle cylinder and is positioned on one side of the limiting ring.

Preferably, a control box is arranged on one side of the outer wall of the needle cylinder, a controller is arranged in the control box, and a display screen is arranged on the front end face of the controller box.

Preferably, the two sides of the outer wall of one end of the lower shell are both provided with clamping blocks, and the lower shell is in clearance connection with the clamping grooves in the inner wall of the cover plate through the clamping blocks on the outer wall.

Preferably, one end of the upper shell is provided with a needle head, and the outer wall of the needle cylinder is provided with scales.

Preferably, a rubber plug is arranged on the outer wall of the screw rod, and the screw rod is meshed and connected with a threaded hole in the rubber plug through an external thread in the outer wall.

Preferably, the lower shell is engaged with the internal thread of the syringe through the external thread of one end.

Compared with the prior art, the beneficial effects of the utility model are that: through the arrangement of the needle cylinder, the upper shell and the lower shell, the upper shell is meshed and connected with the inner thread at one end of the needle cylinder through the outer thread at one end, the lower shell is meshed and connected with the inner thread at one end of the needle cylinder through the outer thread at one end, so that the needle cylinder, the upper shell and the lower shell are convenient to mount and dismount, through the arrangement of the micro motor, the output shaft of the micro motor is connected with the lead screw through the coupler, the micro motor can drive the lead screw to rotate, the lead screw is meshed and connected with the threaded hole on the rubber plug through the outer thread on the outer wall, through the rotation of the lead screw, the rubber plug can move up and down on the lead screw, through the movement of the lead screw, the liquid medicine in the needle cylinder is extruded to inject a patient or absorb a proper amount of liquid medicine to enter, when the injection volume reaches the injection volume required by the patient, the controller controls the micro motor to stop working, and medical staff can detect whether the equipment works normally at any time through the setting of the scales. The utility model discloses a setting of a series of structures conveniently installs and dismantles, conveniently carries out the automatic control injection to the injection volume of patient's liquid medicine simultaneously, and convenient operation brings great convenience, labour saving and time saving for medical personnel.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a schematic structural view of the syringe of the present invention.

Fig. 4 is a schematic structural view of the needle cover of the present invention.

Fig. 5 is a schematic structural view of the stop collar of the present invention.

Fig. 6 is a schematic structural view of the needle cover of the present invention.

Fig. 7 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 8 is a schematic structural diagram of the cover plate of the present invention.

In the figure: 1. a needle cover; 2. an upper housing; 3. a control box; 4. a controller; 5. a needle cylinder; 6. a rubber stopper; 7. a micro motor; 8. a control button; 9. a cover plate; 10. a lower housing; 11. a coupling; 12. a screw rod; 13. a limiting ring; 14. a capacitance sensor; 15. a needle head; 16. a display screen; 17. calibration; 18. a ring block; 19. a closing block; 20. closing the groove; 21. a clamping block; 22. an engaging groove.

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.

Referring to fig. 1 to 8, in an embodiment of the present invention, an electronic jet injector includes a needle cylinder 5, one end of the needle cylinder 5 is provided with an annular block 18 and a needle cover 1, an outer wall of the annular block 18 is provided with a closing block 19, an inner wall of the needle cover 1 is provided with a closing groove 20, the needle cover 1 is in clearance connection with the closing block 19 on the annular block 18 through the closing groove 20 on the inner wall, one end of the needle cylinder 5 is provided with an upper housing 2, the upper housing 2 is in meshing connection with an internal thread at one end of the needle cylinder 5 through an external thread at one end, a spacing ring 13 is arranged inside the needle cylinder 5, the other end of the needle cylinder 5 is provided with a lower housing 10, a micro motor 7 is arranged inside the lower housing 10, an output shaft of the micro motor 7 passes through the lower housing 10 and is connected with a lead screw 12 through a coupler 11, the other end of the, a control button 8 is arranged on one side of the outer wall of a cover plate 9, a capacity sensor 14 is arranged on one side of the inner wall of a needle cylinder 5, the capacity sensor 14 is positioned on one side of a limiting ring 13, a control box 3 is arranged on one side of the outer wall of the needle cylinder 5, a controller 4 is arranged in the control box 3, a display screen 16 is arranged on the front end face of the box of the controller 4, clamping blocks 21 are arranged on two sides of the outer wall of one end of a lower shell 10, the lower shell 10 is in clearance connection with a clamping groove 22 on the inner wall of the cover plate 9 through the clamping blocks 21 on the outer wall, a needle head 15 is arranged at one end of an upper shell 2, the upper shell 2 and the lower shell 10 are arranged, the upper shell 2 is in meshed connection with an internal thread at one end of the needle cylinder 5 through an external thread at one end, the lower shell 10 is in meshed connection with an, an output shaft of the micro motor 7 is connected with a screw rod 12 through a coupler 11, the micro motor 7 can drive the screw rod 12 to rotate, the screw rod 12 is meshed with a threaded hole in a rubber plug 6 through external threads on the outer wall, the rubber plug 6 can move up and down on the screw rod 12 through the rotation of the screw rod 12, liquid medicine in a needle cylinder 5 is extruded to inject a patient or absorb a proper amount of liquid medicine to enter the needle cylinder 5 for injection through the movement of the rubber plug 6, the capacity sensor 14 can detect the liquid medicine capacity in the needle cylinder 5 in real time through the setting of the capacity sensor 14, after the injection amount reaches the injection amount required by the patient, the controller 4 controls the micro motor 7 to stop working, whether the medical personnel can detect whether the equipment normally works or not at any time through the setting of the scales 17, the scales 17 are arranged on the outer wall of the needle cylinder 5, the rubber plug, the screw rod 12 is meshed with a threaded hole on the rubber plug 6 through an external thread on the outer wall, and the lower shell 10 is meshed with an internal thread on one end of the needle cylinder 5 through an external thread on one end.

The utility model discloses a theory of operation is: when the device is used, an external power supply is needed to be connected, the needle cylinder 5, the upper shell 2 and the lower shell 10 are installed, the upper shell 2 is meshed with the internal thread at one end of the needle cylinder 5 through the external thread at one end, the lower shell 10 is meshed with the internal thread at one end of the needle cylinder 5 through the external thread at one end, so that the needle cylinder 5, the upper shell 2 and the lower shell 10 are convenient to install and disassemble, the controller 4 controls the micro motor 7 to work, the output shaft of the micro motor 7 is connected with the lead screw 12 through the coupler 11, the micro motor 7 can drive the lead screw 12 to rotate, the lead screw 12 is meshed with the threaded hole in the rubber plug 6 through the external thread on the outer wall, through the rotation of the lead screw 12, the rubber plug 6 can move up and down on the lead screw 12, and the liquid medicine in the needle cylinder 5 is extruded to inject a patient or absorb, the controller capacity sensor 14 works, the capacity sensor 14 can detect the liquid medicine capacity in the needle cylinder 5 in real time, after the injection amount reaches the injection amount required by a patient, the controller 4 controls the micro motor 7 to stop working, and through the setting of the scales 17, medical staff can detect whether the equipment works normally at any time.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The electronic jet injector comprises a needle cylinder (5) and is characterized in that one end of the needle cylinder (5) is provided with an annular block (18) and a needle cover (1), the outer wall of the annular block (18) is provided with a closing block (19), the inner wall of the needle cover (1) is provided with a closing groove (20), the needle cover (1) is in clearance connection with the closing block (19) on the annular block (18) through the closing groove (20) on the inner wall, one end of the needle cylinder (5) is provided with an upper shell (2), the upper shell (2) is in meshing connection with an internal thread at one end of the needle cylinder (5) through an external thread at one end, a limit ring (13) is arranged inside the needle cylinder (5), the other end of the needle cylinder (5) is provided with a lower shell (10), a micro motor (7) is arranged inside the lower shell (10), an output shaft of the micro motor (7) penetrates through the lower shell (10) and is connected with a, and the other end of the screw rod (12) penetrates through a bearing on the limiting ring (13), one end of the lower shell (10) is provided with a cover plate (9), clamping grooves (22) are formed in two sides of the inner wall of the cover plate (9), a control button (8) is arranged on one side of the outer wall of the cover plate (9), a capacity sensor (14) is arranged on one side of the inner wall of the needle cylinder (5), and the capacity sensor (14) is located on one side of the limiting ring (13).

2. The electronic jet injector according to claim 1, wherein a control box (3) is arranged on one side of the outer wall of the needle cylinder (5), a controller (4) is arranged inside the control box (3), and a display screen (16) is arranged on the front end face of the controller (4) box.

3. The electronic jet injector according to claim 1, wherein the lower housing (10) is provided with engaging blocks (21) on both sides of the outer wall at one end, and the lower housing (10) is in clearance connection with the engaging grooves (22) on the inner wall of the cover plate (9) through the engaging blocks (21) on the outer wall.

4. An electronic jet injector according to claim 1, characterized in that a needle (15) is arranged at one end of the upper housing (2) and a scale (17) is arranged on the outer wall of the barrel (5).

5. The electronic jet injector according to claim 1, characterized in that the rubber plug (6) is arranged on the outer wall of the screw rod (12), and the screw rod (12) is engaged with the threaded hole on the rubber plug (6) through the external thread on the outer wall.

6. An electronic jet injector as claimed in claim 1, characterized in that said lower housing (10) is connected in engagement with an internal thread at one end of the barrel (5) by means of an external thread at one end.