CN218654545U

CN218654545U - Liquid-transfering gun for injection

Info

Publication number: CN218654545U
Application number: CN202223327814.5U
Authority: CN
Inventors: 魏少华; 温文
Original assignee: Hebei Andike Zhengelectronic Technology Co ltd
Current assignee: Hebei Andike Zhengelectronic Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-03-21
Anticipated expiration: 2032-12-13

Abstract

The utility model discloses a liquid-transfering gun for injection, which comprises a shell, an unloading mechanism and an adjusting mechanism; a housing: a pipette head is arranged in a mounting port formed at the lower end of the pipette head, a convex nozzle is arranged in a connecting port formed at the lower end of the pipette head, and a partition plate is arranged in the shell; the unloading mechanism comprises: it includes mounting panel, direction traveller and sleeve, the mounting panel sets up in the inside downside of shell, both sides are provided with the direction traveller respectively around the upper end of mounting panel, the direction traveller corresponds the slide opening sliding connection who sets up with the sleeve lower extreme respectively, the sleeve sets up with the shell lower extreme dodges through-hole sliding connection, this pipetting gun for injection, can make more stability and easy control of pipetting gun when absorption and discharge injection, it is relatively lower to user's proficiency and operation technique's requirement, thereby it leads to liquid contaminated and the problem of corrosion pollution pipetting gun to have solved and suck the in-process and make the injection suck-back because of the injection suction velocity is too fast.

Description

Liquid transferring gun for injection

Technical Field

The utility model relates to an injection processing equipment technical field specifically is a liquid-transfering gun for injection.

Background

The injection is prepared into sterile solution for injection into the body and sterile powder or concentrated solution for preparing solution or suspension before use, has quick and reliable action, is not influenced by pH, enzyme, food and the like, has no first-pass effect, can play a role in positioning the whole body or part, and is suitable for patients who are not suitable for oral administration and cannot take oral administration;

the pipette for the injection is one of pipettors, is commonly used for pipetting a small amount of or trace liquid in a laboratory, and needs to be repeatedly applied in a large amount to perform pipetting work in the manufacturing and experimental processes of the injection;

some pipette for injection is that manual operation carries out the absorption or the uninstallation of injection, but the speed when manual pressure is pressed and is absorbed the injection is not easy to control, all is a huge examination to user's proficiency and operating technique, need slowly steadily loosen the thumb when absorbing the injection, absorb too fast or loosen the finger suddenly and can make the injection inhale the condition that the suck-back appears too fast, suck-back not only pollutes the injection but also can corrode and pollute the pipette, can lead to the life of pipette to subtract the weak point even, for this reason, we propose a pipette for injection.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, a liquid-transfering gun for injection is provided, cooperation through an internal thread section of thick bamboo and screw rod sets up, can drive the piston through the spliced pole and reciprocate, thereby realize the absorption of liquid-transfering gun and the work of uninstallation injection, whole process stability more and easy control, and is easy to operate, the requirement to user's proficiency and operation technique is relatively lower, thereby solved and made the injection suck-back and lead to the problem that liquid is polluted and corrosive contamination liquid-transfering gun because of the injection suction velocity is too fast absorbing the in-process, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a liquid-transfering gun for injection comprises a shell, an unloading mechanism and an adjusting mechanism;

a housing: a pipette head is arranged in a mounting port formed at the lower end of the pipette head, a convex nozzle is arranged in a connecting port formed at the lower end of the pipette head, and a partition plate is arranged in the shell;

the unloading mechanism comprises: the mounting plate is arranged on the lower side in the shell, the guide sliding columns are arranged on the front side and the rear side of the upper end of the mounting plate respectively, the guide sliding columns are connected with sliding holes correspondingly arranged at the lower end of the sleeve in a sliding mode respectively, the sleeve is connected with an avoidance through hole arranged at the lower end of the shell in a sliding mode, and the pipette tip is located in the sleeve;

the adjusting mechanism comprises: it sets up in the inside of shell, the inner wall sliding connection of adjustment mechanism and pipette head, cooperation through an internal thread section of thick bamboo and screw rod sets up, can drive the piston through the spliced pole and reciprocate, thereby realize the work of the absorption of pipette head and uninstallation injection, whole process stability more and easy control, and easy operation, proficiency to the user and the requirement of operation technique are lower relatively, thereby solved and caused the problem that the injection suck-back leads to liquid to be polluted and corrosion pollution pipette head because of absorbing the speed at the absorption in-process too fast.

Furthermore, the device also comprises a control switch, wherein the control switch is arranged at the upper end of the shell, and the input end of the control switch is electrically connected with an external power supply, so that the internal electrical elements of the device can be regulated and controlled.

Further, uninstallation mechanism still includes traveller, press device and spring, the through-hole sliding connection that traveller and shell upper end set up, the upper end of traveller is provided with the press device, the lower extreme and the telescopic upper end fixed connection of traveller, and the spring sets up respectively between the upper end of telescopic lower extreme and mounting panel, and the outside of direction traveller downside is all located to the spring cover, can drive the sleeve after the use and in time reset.

Further, adjustment mechanism includes an internal thread section of thick bamboo, ring gear, screw rod, bar mouth, gag lever post, spliced pole and piston, an internal thread section of thick bamboo passes through the bearing and rotates to be connected in the middle part of division board upper end, the upside of the outer cambered surface of internal thread section of thick bamboo is provided with the ring gear, the inside threaded connection of an internal thread section of thick bamboo has the screw rod, the lower extreme of screw rod is provided with the spliced pole, the lower extreme of spliced pole is provided with the piston, the piston and the inner wall sliding connection of pipetting gun head, the gag lever post sets up in the right side of shell inner wall, the right side of the outer cambered surface of screw rod is provided with the bar mouth, the left end of gag lever post and the inner wall sliding connection of bar mouth, make more stable and easy control of whole process, and work efficiency is improved.

Further, adjustment mechanism still includes output rod and gear, the output rod passes through the bearing and rotates to be connected in the left side of shell roof, and the lower extreme of output rod is provided with the gear, and the gear is connected with the gear ring meshing, can drive the gear ring rotation through the gear to it reciprocates to drive the spliced pole, thereby realizes the absorption of pipetting gun and the work of uninstalling the injection liquid.

Further, still include the motor, the motor sets up in the upper end of shell, the lower extreme of motor output shaft and the upper end fixed connection of output rod, and the input of motor is connected with control switch's output electricity, can drive the gear rotation through the output rod to carry out the liquid-removing work.

Further, still including pointing the support, indicate to hold in the palm and set up in the upside of shell extrados, promote user comfort, prevent that long-time work from making the ache and influencing the working effect.

Compared with the prior art, the beneficial effects of the utility model are that: the liquid-transfering gun for injection has the following advantages:

the suction nozzle with the pipetting gun for the injection deepens into the injection that needs to remove, regulation and control through control switch, the motor begins to operate, the output shaft of motor passes through the output pole and drives the gear rotatory, the gear passes through the ring gear and drives the rotation of an internal thread section of thick bamboo, an internal thread section of thick bamboo drives the screw rod rebound, the screw rod drives the piston rebound through the spliced pole, thereby the injection that will remove inhales the inside of suction nozzle, cooperation setting through an internal thread section of thick bamboo and screw rod, can drive the piston through the spliced pole and reciprocate, thereby realize the absorption of pipetting gun and the work of uninstallation injection, whole process stability more and easy control, the operation is thus simple, thereby solved and caused the problem that liquid is polluted and the pipette is polluted because of the absorption speed is too fast in the absorption process.

Drawings

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

FIG. 2 is a schematic structural view of the unloading mechanism of the present invention;

fig. 3 is a schematic structural diagram of the adjusting mechanism of the present invention.

In the figure: the automatic pipette comprises a shell 1, a control switch 2, a finger rest 3, a pipette tip 4, a convex nozzle 5, an unloading mechanism 6, a mounting plate 61, a slide column 62, a guide slide column 63, a spring 64, a pressing plate 65, a sleeve 66, an adjusting mechanism 7, an internal thread cylinder 71, a gear ring 72, an output rod 73, a gear 74, a screw 75, a bar-shaped opening 76, a limiting rod 77, a connecting column 78, a piston 79, a motor 8 and a partition plate 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 1-3, the present embodiment provides a technical solution: a liquid-transfering gun for injection comprises a shell 1, an unloading mechanism 6 and an adjusting mechanism 7;

the shell 1: a pipette tip 4 is arranged in a mounting port formed in the lower end of the pipette tip 4, a convex nozzle 5 is arranged in a connecting port formed in the lower end of the pipette tip 4, a partition plate 9 is arranged in a shell 1, before the pipette tip is used, the shell 1 is held, the convex nozzle 5 is aligned with a suction nozzle of one pipette for injection in a storage box, the shell 1 is pressed downwards to enable the convex nozzle 5 to be connected with the suction nozzle of the pipette for injection, then the pipette for injection is moved to a designated working place, the suction nozzle of the pipette for injection is inserted into the injection to be moved, and liquid suction is started through regulation and control of regulating equipment;

the unloading mechanism 6: the unloading mechanism 6 further comprises a sliding column 62, a pressing plate 65 and a spring 64, wherein the sliding column 62 is in sliding connection with a through hole arranged at the upper end of the shell 1, the pressing plate 65 is arranged at the upper end of the sliding column 62, the lower end of the sliding column 62 is fixedly connected with the upper end of the sleeve 66, the spring 64 is respectively arranged between the lower end of the sleeve 66 and the upper end of the mounting plate 61, the spring 64 is sleeved outside the lower side of the guide sliding column 63, when the suction nozzle needs to be detached, the pressing plate 65 is pressed downwards, the pressing plate 65 drives the sleeve 66 to move downwards through the sliding column 62, the spring 64 contracts, the sleeve 66 presses the suction nozzle downwards, the suction nozzle is separated from the convex nozzle 5 finally, and then the pressing plate 65 is loosened, the spring 64 extends and drives the sleeve 66 to reset;

the adjusting mechanism 7: the adjusting mechanism 7 is arranged in the shell 1 and is connected with the inner wall of the pipette tip 4 in a sliding manner, the adjusting mechanism 7 comprises an internal thread cylinder 71, a gear ring 72, a screw 75, a strip-shaped opening 76, a limiting rod 77, a connecting column 78 and a piston 79, the internal thread cylinder 71 is rotatably connected with the middle part of the upper end of the partition plate 9 through a bearing, the gear ring 72 is arranged on the upper side of the outer arc surface of the internal thread cylinder 71, the screw 75 is connected with the internal thread of the internal thread cylinder 71, the connecting column 78 is arranged at the lower end of the screw 75, the piston 79 is arranged at the lower end of the connecting column 78, the piston 79 is slidably connected with the inner wall of the pipette tip 4, the limiting rod 77 is arranged on the right side of the inner wall of the shell 1, the strip-shaped opening 76 is arranged on the right side of the outer arc surface of the screw 75, the left end of the limiting rod 77 is slidably connected with the inner wall of the strip-shaped opening 76, the adjusting mechanism 7 further comprises an output rod 73 and a gear 74, the output rod 73 is rotatably connected with the left side of the top wall of the shell 1 through a bearing, the lower end of the output rod 73, the gear 74 is meshed with the gear ring 72, the suction nozzle of the pipetting gun for the injection is deeply inserted into the injection to be moved, the driving device starts to operate through the regulation and control of the control device, the output shaft of the driving device drives the gear 74 to rotate through the output rod 73, the gear 74 drives the internal thread cylinder 71 to rotate through the gear ring 72, the internal thread cylinder 71 drives the screw 75 to move upwards, the screw 75 drives the piston 79 to move upwards through the connecting column 78, the injection to be moved is sucked into the suction nozzle, the piston 79 can be driven to move upwards and downwards through the connecting column 78 through the matching arrangement of the internal thread cylinder 71 and the screw 75, the work of sucking and unloading the injection of the pipetting gun is realized, the whole process is more stable and easy to control, the operation is simple, and the problems that the liquid is polluted and corroded and polluted due to the fact that the injection is sucked backwards due to the overhigh suction speed in the sucking process are solved, and the liquid is polluted and the pollution is caused by corrosion in the process of sucking the injection Problems with pipette guns.

Wherein: still include control switch 2, control switch 2 sets up in the upper end of shell 1, and control switch 2's input is connected with external power supply electricity, can regulate and control the electrical components of equipment inside.

Wherein: the injection gun is characterized by further comprising a motor 8, the motor 8 is arranged at the upper end of the shell 1, the lower end of an output shaft of the motor 8 is fixedly connected with the upper end of an output rod 73, an input end of the motor 8 is electrically connected with an output end of a control switch 2, a suction nozzle of the injection gun for injection is inserted into injection to be moved, the motor 8 starts to operate under the regulation and control of the control switch 2, the output shaft of the motor 8 drives a gear 74 to rotate through the output rod 73, the gear 74 drives an internal thread cylinder 71 to rotate through a gear ring 72, the internal thread cylinder 71 drives a screw 75 to move upwards, the screw 75 drives a piston 79 to move upwards through a connecting column 78, so that the injection to be moved is sucked into the suction nozzle, the piston 79 is driven to move upwards and downwards through the matching of the internal thread cylinder 71 and the screw 75, and the connecting column 78 can drive the piston 79 to move upwards and downwards, and accordingly the injection suction and unloading work of the injection gun is achieved.

Wherein: still hold in the palm 3 including pointing, point to hold in the palm 3 and set up in the upside of the outer cambered surface of shell 1, in the use, the user thumb can support and lean on holding in the palm 3 to indicate, promotes user's comfort level, prevents that long-time work from making the ache and influencing the working effect.

The utility model provides a pair of liquid-transfering gun for injection's theory of operation as follows: before use, the shell 1 is held, the convex nozzle 5 is aligned with a suction nozzle of one of the infusion guns in the storage box, the shell 1 is pressed downwards to enable the convex nozzle 5 to be connected with the suction nozzle of the infusion gun, then the infusion gun is moved to a designated working place, the suction nozzle of the infusion gun is inserted into the infusion to be moved, the motor 8 starts to operate through the regulation and control of the control switch 2, the output shaft of the motor 8 drives the gear 74 to rotate through the output rod 73, the gear 74 drives the internal thread cylinder 71 to rotate through the gear ring 72, the internal thread cylinder 71 drives the screw 75 to move upwards, the screw 75 drives the piston 79 to move upwards through the connecting column 78, and the infusion to be moved is sucked into the suction nozzle, after the injection is moved to a designated working place through the liquid-transferring gun for the injection, the motor 8 starts to operate through the regulation and control of the control switch 2, the output shaft of the motor 8 drives the gear 74 to rotate through the output rod 73, the gear 74 drives the internal thread cylinder 71 to rotate through the gear ring 72, the internal thread cylinder 71 drives the screw 75 to move downwards, the screw 75 drives the piston 79 to move downwards through the connecting column 78, so that the injection in the suction nozzle is discharged, the liquid-transferring work for the injection is realized, when the suction nozzle needs to be detached, the pressing plate 65 is pressed downwards, the pressing plate 65 drives the sleeve 66 to move downwards through the sliding column 62, the spring 64 contracts, the sleeve 66 presses the suction nozzle downwards, finally the suction nozzle is separated from the convex nozzle 5, then the pressing plate 65 is released, the spring 64 extends, and the sleeve 66 is driven to reset.

It should be noted that the motor 8 disclosed in the above embodiment may be 5RK40GN-CW2L2, and the control switch 2 is provided with a control switch corresponding to the motor 8 for controlling the switch thereof.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A liquid-transfering gun for injection which characterized in that: comprises a shell (1), an unloading mechanism (6) and an adjusting mechanism (7);

housing (1): a pipette tip (4) is arranged in a mounting port formed at the lower end of the pipette tip, a convex nozzle (5) is arranged in a connecting port formed at the lower end of the pipette tip (4), and a partition plate (9) is arranged in the shell (1);

unloading mechanism (6): the pipette tip comprises a mounting plate (61), guide sliding columns (63) and a sleeve (66), wherein the mounting plate (61) is arranged on the lower side in a shell (1), the guide sliding columns (63) are respectively arranged on the front side and the rear side of the upper end of the mounting plate (61), the guide sliding columns (63) are respectively in sliding connection with sliding holes correspondingly arranged at the lower end of the sleeve (66), the sleeve (66) is in sliding connection with avoidance through holes arranged at the lower end of the shell (1), and the pipette tip (4) is positioned in the sleeve (66);

adjusting mechanism (7): the adjusting mechanism is arranged in the shell (1), and the adjusting mechanism (7) is connected with the inner wall of the liquid-transfering gun head (4) in a sliding manner.

2. The pipette gun according to claim 1, wherein: still include control switch (2), control switch (2) set up in the upper end of shell (1), and control switch's (2) input is connected with external power source electricity.

3. The pipette according to claim 1, wherein: unloading mechanism (6) still include traveller (62), press board (65) and spring (64), through-hole sliding connection that traveller (62) and shell (1) upper end set up, the upper end of traveller (62) is provided with press board (65), the lower extreme of traveller (62) and the upper end fixed connection of sleeve (66), spring (64) set up respectively between the lower extreme of sleeve (66) and the upper end of mounting panel (61), the outside of direction traveller (63) downside is all located in spring (64).

4. The pipette gun according to claim 2, wherein: adjusting mechanism (7) include an internal thread section of thick bamboo (71), ring gear (72), screw rod (75), bar mouth (76), gag lever post (77), spliced pole (78) and piston (79), internal thread section of thick bamboo (71) is rotated through the bearing and is connected in the middle part of division board (9) upper end, the upside of the outer cambered surface of internal thread section of thick bamboo (71) is provided with ring gear (72), the internal thread of internal thread section of thick bamboo (71) is connected with screw rod (75), the lower extreme of screw rod (75) is provided with spliced pole (78), the lower extreme of spliced pole (78) is provided with piston (79), piston (79) and the inner wall sliding connection of pipetting gun head (4), gag lever post (77) set up in the right side of shell (1) inner wall, the right side of the outer cambered surface of screw rod (75) is provided with bar mouth (76), the left end and the inner wall sliding connection of bar mouth (76) of gag lever post (77).

5. The pipette according to claim 4, wherein: the adjusting mechanism (7) further comprises an output rod (73) and a gear (74), the output rod (73) is rotatably connected to the left side of the top wall of the shell (1) through a bearing, the gear (74) is arranged at the lower end of the output rod (73), and the gear (74) is meshed with the gear ring (72) and connected with the gear ring.

6. The pipette according to claim 5, wherein: still include motor (8), motor (8) set up in the upper end of shell (1), the lower extreme of motor (8) output shaft and the upper end fixed connection of output lever (73), and the input of motor (8) is connected with control switch (2)'s output electricity.

7. The pipette according to claim 1, wherein: still including pointing support (3), point support (3) set up in the upside of shell (1) extrados.