CN217187268U

CN217187268U - Injection pump capable of accurately controlling injection amount of liquid medicine

Info

Publication number: CN217187268U
Application number: CN202122019467.9U
Authority: CN
Inventors: 王振; 马林; 许洪达; 张冠杰
Original assignee: Youji Tianjin Pharmaceutical Technology Co ltd
Current assignee: Youji Tianjin Pharmaceutical Technology Co ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-08-16
Anticipated expiration: 2031-08-25

Abstract

The utility model provides a but syringe pump of accurate control liquid medicine injection volume relates to the pharmaceutical manufacturing technology field, including load-bearing platform, advancing device and injection line fixing device, advancing device's bottom fixed connection is at load-bearing platform's top, injection line fixing device's one end swing joint is in advancing device's one end, injection line fixing device includes that centre gripping shell, shrink port, driven steering support head, regulating block and control maincenter. The utility model discloses the control knob who utilizes the butt joint platform top is controlled the circulation of injection tube, and whole injection tube carries out the centre gripping again through the centre gripping shell simultaneously and fixes, can the injection tube in the centre gripping shell remain stable state throughout to the driven steering that the other end set up supports the head can free control direction and height in order to ensure that the injection tube is in the horizontally state, with the condition of preventing the liquid reflux, ensures that the injection volume of this syringe pump keeps on target value accurately.

Description

Injection pump capable of accurately controlling injection amount of liquid medicine

Technical Field

The utility model relates to a pharmaceutical manufacturing technical field especially relates to a but syringe pump of accurate control liquid medicine injection volume.

Background

The injection pump is composed of a stepping motor and a driver thereof, a screw rod, a bracket and the like, and is provided with the reciprocating screw rod and a nut, so the injection pump is also called as a screw rod pump, the nut is connected with a piston of an injector, and the injector is used for containing liquid medicine, thereby realizing high-precision and stable liquid transmission without pulsation.

However, in the prior art, the existing syringe pump is usually placed on some table tops when being used, and some table tops have uneven conditions, so that the syringe pump is in an inclined state, which easily causes the situation of liquid backflow, and further affects the accurate control of the injection amount, and meanwhile, the inclined state also affects the state of the injection pipeline, which may cause a dislocation problem, so that the use condition of the syringe pump is more severe, and the syringe pump is not favorable for large-scale use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, current syringe pump all can be put on some desktops usually when using, and some desktops have unevenness's condition, consequently, can lead to this syringe pump to be in the state of a slope, cause the condition of liquid backward flow easily, and then can influence the accurate control of injection volume, the state of slope simultaneously can influence the state of injection line equally, there may be the problem of dislocation, consequently, can make the service condition of this syringe pump harsher, be unfavorable for carrying out use on a large scale.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a syringe pump that can accurate control liquid medicine injection volume, includes load-bearing platform, advancing device and injection line fixing device, advancing device's bottom fixed connection is at load-bearing platform's top, injection line fixing device's one end swing joint is in advancing device's one end, injection line fixing device includes centre gripping shell, shrink port, driven turn to and supports head, regulating block and control maincenter, the one end swing joint of shrink port is in the one end of centre gripping shell, driven turn to and support the top swing joint of head on the outer wall of centre gripping shell, the both ends overlap joint of control maincenter is on the outer wall of centre gripping shell, the one end swing joint of regulating block is in the inside of centre gripping shell.

As a preferred embodiment, the propelling device comprises a fixed platform, a docking platform, a guiding bearing and a pushing rod, wherein one end of the pushing rod is lapped on one side of the fixed platform, the docking platform is positioned on the other side of the fixed platform, and the guiding bearing penetrates through the fixed platform and the docking platform.

As a preferred embodiment, one end swing joint of centre gripping shell is in docking platform's inside, centre gripping shell is provided with the restriction ring with docking platform's handing-over department, the port department of restriction ring is provided with adjusts and helps the board.

As a preferred embodiment, a control knob is arranged at the top of the docking platform, and the control knob is movably connected with the limiting ring through the docking platform.

As a preferred embodiment, a contraction connecting rod is arranged between the limiting circular rings, and one end of the adjusting block is movably connected inside the limiting circular rings.

As a preferred embodiment, the bottom of the control center is fixedly connected to one side of the docking platform, and the control center is movably connected with the adjusting block through a limiting ring.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, the control knob who utilizes the butt joint platform top is controlled the circulation of injection tube, and whole injection tube carries out the centre gripping again through the centre gripping shell simultaneously and fixes, can the injection tube in the centre gripping shell remain stable state throughout to the driven steering that the other end set up supports the head can free control direction and height in order to ensure that the injection tube is in the horizontally state, with the condition of preventing the liquid backward flow that appears, ensures that the injection volume of this syringe pump keeps on target numerical value accurately.

2. The utility model discloses in, the centre gripping shell is fixed on docking platform through the restriction ring to this restriction ring and centre gripping shell pass through regulating block and control maincenter and together control, can be with the kind of trading the injection pipeline, use in different occasions and region with the convenience, make the application scope of this device more extensive, and can further promote the speed of changing the pipeline.

Drawings

Fig. 1 is a schematic perspective view of an injection pump capable of precisely controlling the injection amount of a liquid medicine according to the present invention;

FIG. 2 is a schematic view of a propulsion device of an injection pump capable of accurately controlling the injection amount of liquid medicine;

fig. 3 is a schematic structural view of the injection pipe fixing device of the injection pump of the present invention capable of accurately controlling the injection amount of the liquid medicine;

fig. 4 is an enlarged schematic view of a portion a in fig. 1 of the injection pump of the present invention capable of accurately controlling the injection amount of the liquid medicine.

Illustration of the drawings: 1. a load-bearing platform; 2. a propulsion device; 3. an injection conduit fixing device;

21. fixing the platform; 22. a docking platform; 23. a control knob; 24. a push rod; 25. a guide bearing; 31. clamping the housing; 32. a retraction port; 33. a driven steering support head; 34. an adjusting block; 35. a control hub; 36. a restraining ring; 37. adjusting the assistant plate; 38. the connecting rod is contracted.

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.

Example 1

As shown in fig. 1, fig. 3 and fig. 4, the present invention provides a technical solution: a syringe pump capable of accurately controlling the injection amount of liquid medicine comprises a bearing platform 1, a propelling device 2 and an injection pipeline fixing device 3, wherein the bottom of the propelling device 2 is fixedly connected to the top of the bearing platform 1, one end of the injection pipeline fixing device 3 is movably connected to one end of the propelling device 2, the injection pipeline fixing device 3 comprises a clamping shell 31, a contraction port 32, a driven steering support head 33, an adjusting block 34 and a control center 35, one end of the contraction port 32 is movably connected to one end of the clamping shell 31, the top of the driven steering support head 33 is movably connected to the outer wall of the clamping shell 31, two ends of the control center 35 are lapped on the outer wall of the clamping shell 31, one end of the adjusting block 34 is movably connected to the inside of the clamping shell 31, one end of the clamping shell 31 is movably connected to the inside of a butt-joint platform 22, a limit ring 36 is arranged at the joint of the clamping shell 31 and the butt-joint platform 22, an adjusting assistant plate 37 is arranged at the port of the limiting ring 36, a contraction connecting rod 38 is arranged between the limiting ring 36 and the limiting ring 36, one end of the adjusting block 34 is movably connected inside the limiting ring 36, the bottom of the control center 35 is fixedly connected to one side of the butt joint platform 22, and the control center 35 is movably connected with the adjusting block 34 through the limiting ring 36.

In the embodiment, before use, the injection tube is installed inside the clamping shell 31 and is fixed by using the contraction port 32, wherein the regulating block 34 pulls the clamping shell 31 by the limiting ring 36 arranged at the port in cooperation with the control center 35, so that the injection tube fixing device 3 has the function of size regulation, and the contraction connecting rod 38 can connect the limiting rings 36 together to be capable of regulating the size and simultaneously have better structural tightness, thereby protecting the injection tube, and meanwhile, the driven steering supporting head 33 can freely control the direction and the height to ensure that the injection tube is in a horizontal state, thereby preventing the occurrence of liquid backflow and ensuring that the injection volume of the injection pump is accurately kept on a target value.

Example 2

As shown in fig. 1-2, the propulsion device 2 includes a fixed platform 21, a docking platform 22, a guide bearing 25 and a push rod 24, one end of the push rod 24 is overlapped on one side of the fixed platform 21, the docking platform 22 is located on the other side of the fixed platform 21, the guide bearing 25 penetrates through the fixed platform 21 and the docking platform 22, a control knob 23 is arranged on the top of the docking platform 22, and the control knob 23 is movably connected with the limiting ring 36 through the docking platform 22.

In this embodiment, the pushing rod 24 pushes the fixing platform 21 to move along the guiding bearing 25, so as to extrude the liquid medicine in the injection pipeline to complete the injection operation, and the docking platform 22 on one side of the platform can perform preliminary positioning on the injection pipeline, thereby facilitating the installation of the injection pipeline fixing device 3 to fix the injection pipeline.

The working principle of the embodiment is as follows:

as shown in fig. 1-4, before use, the injection tube is first installed inside the holding shell 31 and is fixed by using the contraction port 32, wherein the adjusting block 34 pulls the holding shell 31 by using the limiting ring 36 provided at the port to cooperate with the control center 35, and the contraction connecting rod 38 can connect the limiting ring 36 together, and at the same time, the driven steering support head 33 can freely control the direction and height to ensure that the injection tube is in a horizontal state, and finally the pushing rod 24 pushes the fixing platform 21 to move along the guide bearing 25, so as to extrude the liquid medicine in the injection tube to complete the injection operation, the docking platform 22 at one side can preliminarily position the injection tube, and the injection tube fixing device 3 is convenient to install and fix the injection tube.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a syringe pump that can accurate control liquid medicine injection volume, includes load-bearing platform (1), advancing device (2) and injection line fixing device (3), the bottom fixed connection of advancing device (2) is at the top of load-bearing platform (1), the one end swing joint of injection line fixing device (3) is in the one end of advancing device (2), its characterized in that: injection pipeline fixing device (3) support head (33), regulating block (34) and control maincenter (35) including centre gripping shell (31), shrink port (32), driven turning, the one end swing joint of shrink port (32) is in the one end of centre gripping shell (31), the top swing joint of driven turning support head (33) is on the outer wall of centre gripping shell (31), the both ends overlap joint of control maincenter (35) is on the outer wall of centre gripping shell (31), the inside at centre gripping shell (31) is connected to the one end swing joint of regulating block (34).

2. The syringe pump of claim 1, wherein the syringe pump is capable of precisely controlling the injection amount of the liquid medicine, and comprises: the propelling device (2) comprises a fixed platform (21), a docking platform (22), a guide bearing (25) and a push rod (24), one end of the push rod (24) is lapped on one side of the fixed platform (21), the docking platform (22) is located on the other side of the fixed platform (21), and the guide bearing (25) penetrates through the fixed platform (21) and the docking platform (22).

3. The syringe pump of claim 2, wherein the syringe pump is capable of precisely controlling the injection amount of the liquid medicine, and comprises: one end swing joint of centre gripping shell (31) is in the inside of butt joint platform (22), the handing-over department of centre gripping shell (31) and butt joint platform (22) is provided with restriction ring (36), the port department of restriction ring (36) is provided with adjusts and helps board (37).

4. The syringe pump of claim 3, wherein the syringe pump is capable of precisely controlling the injection amount of the liquid medicine, and comprises: the top of the butt joint platform (22) is provided with a control knob (23), and the control knob (23) is movably connected with the limiting ring (36) through the butt joint platform (22).

5. The syringe pump capable of precisely controlling the injection amount of medical fluid according to claim 3, wherein: a contraction connecting rod (38) is arranged between the limiting circular ring (36) and the limiting circular ring (36), and one end of the adjusting block (34) is movably connected inside the limiting circular ring (36).

6. The syringe pump capable of precisely controlling the injection amount of medical fluid according to claim 5, wherein: the bottom of the control center (35) is fixedly connected to one side of the docking platform (22), and the control center (35) is movably connected with the adjusting block (34) through a limiting ring (36).