CN215608312U

CN215608312U - Propulsion system of medical injection pump

Info

Publication number: CN215608312U
Application number: CN202121491899.3U
Authority: CN
Inventors: 刘玲
Original assignee: Shenzhen Aifeike Medical Device Technology Co ltd
Current assignee: Shenzhen Aifeike Medical Device Technology Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-01-25
Anticipated expiration: 2031-07-01

Abstract

The utility model provides a propulsion system of a medical injection pump, which comprises an equipment box and a bottom plate, wherein the equipment box comprises a pushing mechanism and an installation mechanism, a chute piece is arranged on the inner bottom wall of the equipment box, the pushing mechanism comprises a screw rod, a first motor is arranged at one end of the screw rod, a ball nut is arranged on the surface of the screw rod, a first limiting component is arranged at the top of the ball nut, a second limiting component is arranged at the bottom of the ball nut, a straight rod is arranged on one side of the second limiting component, and the installation mechanism comprises a first installation mechanism and a second installation mechanism. The utility model realizes that the device is not easy to cause the deviation of the injector when being pushed for a long time, meets the accuracy requirement of medical work and improves the safety and the practicability of the device.

Description

Propulsion system of medical injection pump

Technical Field

The utility model mainly relates to the technical field of injection pumps, in particular to a propulsion system of a medical injection pump.

Background

The syringe pump is also called a screw pump because it is composed of a stepping motor and its driver, a screw, a holder, and the like, and has a screw and a nut that reciprocate. The nut is connected with the piston of the injector, and the injector is used for containing liquid medicine, so that high-precision and stable non-pulsating liquid transmission is realized.

For example, CN 201720288060.7's utility model, including screw rod, base and injection pump body push away the seat, the screw rod pass through bearing fixed mounting on the base, its characterized in that: the base is provided with a guide device which is positioned below the screw rod, and the injection pump body push seat is sleeved on the guide device in a sliding manner; the injection pump body pushes away the seat on the articulated nut piece of installing, the handing-over gyration position of this nut piece is corresponding with the screw rod, still is equipped with the injection pump body ejector pad on the top of nut piece, though this patent can normal use, but the device often causes the skew of syringe when advancing for a long time, can not satisfy the accuracy requirement of medical work, has reduced the security and the practicality of device.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a propulsion system of a medical injection pump, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the propulsion system of the medical syringe pump comprises an equipment box and a bottom plate, wherein the equipment box comprises a pushing mechanism and an installation mechanism, and a chute piece is arranged on the inner bottom wall of the equipment box;

the pushing mechanism comprises a screw rod, a first motor is arranged at one end of the screw rod, a ball nut is arranged on the surface of the screw rod, a first limiting assembly is arranged at the top of the ball nut, a second limiting assembly is arranged at the bottom of the ball nut, and a straight rod is arranged on one side of the second limiting assembly;

installation mechanism is including first installation mechanism and second installation mechanism, first installation mechanism is including installation piece, first pivot and two second pivots, the one end of straight-bar runs through the equipment box and is connected with the installation piece, the one end of first pivot is equipped with the second motor, the other end of first pivot is equipped with first gear, the one end of second pivot is equipped with the fixture block, the other end of second pivot is equipped with the second gear, first gear is connected with the meshing of second gear.

Preferably, the first limiting assembly comprises a first movable block and an H-shaped rod, and the first movable block is movably connected with the H-shaped rod through a pulley. In the preferred embodiment, the first movable block, the H-shaped rod and the pulley can realize the function of assisting the ball nut to be not easy to deviate when moving transversely.

Preferably, the second limiting assembly comprises a second movable block, pulleys are arranged on two sides of the second movable block through movable shafts, and the pulleys are movably connected with the sliding groove piece. In the preferred embodiment, the function of assisting the ball nut to shift in the transverse direction can be further realized through the second movable block, the pulley and the chute member.

Preferably, the second mounting mechanism comprises a damping hinge, the damping hinge is connected with the bottom plate through a bottom block, and two arc-shaped clamping blocks are arranged on the surface of the damping hinge. In the preferred embodiment, the damping hinge, the bottom block and the arc-shaped clamping block can limit the syringe body.

Preferably, the inner wall of the arc-shaped clamping block is provided with an anti-skid glue layer. In the preferred embodiment, the antiskid glue layer can realize the auxiliary antiskid function when the syringe main body is limited.

Preferably, one side of the arc-shaped clamping block is provided with a connecting plate, and the two connecting plates are connected through bolts. In the preferred embodiment, the connecting plate can further limit the position of the syringe body.

Preferably, one side of the equipment box is provided with a control panel, and the control panel is electrically connected with the first motor and the second motor through wires. In the preferred embodiment, the control panel can control the operation of the whole device.

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

according to the utility model, through the equipment box, the bottom plate, the pushing mechanism, the mounting mechanism, the chute member, the lead screw, the first motor, the ball nut, the first limiting component, the second limiting component, the straight rod, the first mounting mechanism, the second mounting mechanism, the mounting block, the second rotating shaft, the second motor, the first gear, the clamping block and the second gear, the device is not easy to cause the deviation of the injector when being pushed for a long time, the accuracy requirement of medical work is met, and the safety and the practicability of the device are improved.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is an isometric view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic view of the ball nut of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 2 in accordance with the present invention;

fig. 5 is an enlarged view of the area B in fig. 2 according to the present invention.

In the figure: 1. an equipment box; 10. a chute member; 2. a pushing mechanism; 200. a first motor; 21. a screw rod; 22. a ball nut; 3. an installation mechanism; 4. a base plate; 5. a first limit component; 51. a first movable block; 511. a pulley; 52. an H-shaped rod; 6. a second limiting component; 61. a straight rod; 62. a second movable block; 7. a first mounting mechanism; 70. a second motor; 71. mounting blocks; 72. a first rotating shaft; 721. a first gear; 73. a second rotating shaft; 731. a clamping block; 732. a second gear; 8. a second mounting mechanism; 81. a bottom block; 82. a damping hinge; 83. an arc-shaped fixture block; 84. an anti-slip adhesive layer; 85. a connecting plate; 9. a control panel.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment, referring to fig. 1, 2, 4 and 5, a propulsion system of a medical syringe pump includes an apparatus box 1 and a bottom plate 4, the apparatus box 1 includes a pushing mechanism 2 and an installation mechanism 3, an inner bottom wall of the apparatus box 1 is provided with a chute member 10 connected by a bolt, the pushing mechanism 2 includes a screw rod 21, one end of the screw rod 21 is provided with a first motor 200, a surface of the screw rod 21 is provided with a ball nut 22, a top of the ball nut 22 is provided with a first limiting component 5 connected by a bolt, a bottom of the ball nut 22 is provided with a second limiting component 6 connected by a bolt, one side of the second limiting component 6 is provided with a straight rod 61 connected by a bolt, the installation mechanism 3 includes a first installation mechanism 7 and a second installation mechanism 8, the first installation mechanism 7 includes an installation block 71, a first rotating shaft 72 and two second rotating shafts 73, one end of the straight rod 61 penetrates through the equipment box 1 and is connected with the mounting block 71, one end of the first rotating shaft 72 is provided with the second motor 70, the other end of the first rotating shaft 72 is provided with the first gear 721, one end of the second rotating shaft 73 is provided with the clamping block 731, the other end of the second rotating shaft 73 is provided with the second gear 732, and the first gear 721 is in meshed connection with the second gear 732.

In an embodiment, referring to fig. 1 to 5, the first limiting assembly 5 includes a first movable block 51 and an H-shaped rod 52, the first movable block 51 is movably connected to the H-shaped rod 52 through a pulley 511, the first movable block 51, the H-shaped rod 52 and the pulley 511 can realize the function of preventing the auxiliary ball nut 22 from shifting in the transverse direction, the second limiting assembly 6 includes a second movable block 62, two sides of the second movable block 62 are provided with the pulley 511 through a movable shaft, the pulley 511 is movably connected to the chute member 10, the second movable block 62, the pulley 511 and the chute member 10 can further realize the function of preventing the auxiliary ball nut 22 from shifting in the transverse direction, the second mounting mechanism 8 includes a damping hinge 82, the damping hinge 82 is connected to the bottom plate 4 through a bottom block 81 and is connected through a bolt, two arc-shaped fixture blocks 83 are provided on the surface of the damping hinge 82, through damping hinge 82, bottom block 81 and arc fixture block 83, can realize carrying out spacing effect with the syringe main part, the inner wall of arc fixture block 83 is equipped with anti-skidding glue film 84, through anti-skidding glue film 84, can realize carrying out spacing supplementary skid-proof effect with the syringe main part when, one side of arc fixture block 83 is equipped with connecting plate 85, two connecting plate 85 passes through bolted connection, through connecting plate 85, can further realize carrying out spacing effect with the syringe main part, one side of equipment box 1 is equipped with control panel 9 (model ASW009), through bolted connection, control panel 9 is electric connection through wire and first motor 200 (model F180) and second motor 70 (model F180), through control panel 9, can realize carrying out the effect of controlling to the overall installation operation.

The specific operation mode of the utility model is as follows:

firstly, a user places the injector in the arc-shaped fixture block 83, then combines the arc-shaped fixture block 83 along the damping hinge 82, then limits the arc-shaped fixture block 83 through the bolt and the connecting plate 85, then the second motor 70 is started through the control panel 9, the second motor 70 drives the first rotating shaft 72 and the first gear 721 to rotate, the first gear 721 drives the second gear 732, the second rotating shaft 73 and the fixture block 731 to rotate, limits the push block at one end of the injector, then the input quantity and the running speed are set through the control panel 9, then the first motor 200 is started through the control panel 9, the first motor 200 drives the screw rod 21 to rotate, at the moment, the ball nut 22 moves transversely along the screw rod 21, meanwhile, the first movable block 51 limits the H-shaped rod 52 through the pulley 511, the second movable block 62 limits the sliding groove part 10 through the pulley 511, and the ball nut 22 drives the straight rod 61 to move transversely and horizontally, the straight rod 61 drives the mounting block 71 to horizontally move transversely.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims

1. The propulsion system of the medical syringe pump comprises an equipment box (1) and a bottom plate (4), and is characterized in that the equipment box (1) comprises a pushing mechanism (2) and an installation mechanism (3), and a sliding groove piece (10) is arranged on the inner bottom wall of the equipment box (1);

the pushing mechanism (2) comprises a screw rod (21), a first motor (200) is arranged at one end of the screw rod (21), a ball nut (22) is arranged on the surface of the screw rod (21), a first limiting component (5) is arranged at the top of the ball nut (22), a second limiting component (6) is arranged at the bottom of the ball nut (22), and a straight rod (61) is arranged on one side of the second limiting component (6);

installation mechanism (3) is including first installation mechanism (7) and second installation mechanism (8), first installation mechanism (7) is including installation piece (71), first pivot (72) and two second pivot (73), the one end of straight-bar (61) is run through equipment box (1) and is connected with installation piece (71), the one end of first pivot (72) is equipped with second motor (70), the other end of first pivot (72) is equipped with first gear (721), the one end of second pivot (73) is equipped with fixture block (731), the other end of second pivot (73) is equipped with second gear (732), first gear (721) are connected with second gear (732) meshing.

2. The advancing system of the medical injection pump as claimed in claim 1, wherein the first limiting component (5) comprises a first movable block (51) and an H-shaped rod (52), and the first movable block (51) is movably connected with the H-shaped rod (52) through a pulley (511).

3. The propulsion system of the medical injection pump as claimed in claim 1, wherein the second limiting component (6) comprises a second movable block (62), pulleys (511) are arranged on two sides of the second movable block (62) through movable shafts, and the pulleys (511) are movably connected with the chute member (10).

4. The propulsion system of a medical injection pump as claimed in claim 1, wherein the second mounting mechanism (8) comprises a damping hinge (82), the damping hinge (82) is connected with the bottom plate (4) through a bottom block (81), and two arc-shaped clamping blocks (83) are arranged on the surface of the damping hinge (82).

5. The advancing system of a medical injection pump as claimed in claim 4, wherein the inner wall of the arc-shaped fixture block (83) is provided with an anti-slip glue layer (84).

6. The advancing system of a medical injection pump according to claim 4, characterized in that one side of the arc-shaped fixture block (83) is provided with a connecting plate (85), and the two connecting plates (85) are connected through a bolt.

7. The propulsion system of the medical injection pump as claimed in claim 1, wherein a control panel (9) is arranged on one side of the equipment box (1), and the control panel (9) is electrically connected with the first motor (200) and the second motor (70) through wires.