CN113499507B

CN113499507B - Automatic clamp and mechanism for infusion tube

Info

Publication number: CN113499507B
Application number: CN202110794565.1A
Authority: CN
Inventors: 王峰; 王超杰; 朱宏伟; 沈栋
Original assignee: Joymed Technology (shanghai) Ltd
Current assignee: Joymed Technology (shanghai) Ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-09-23
Anticipated expiration: 2041-07-14
Also published as: CN113499507A

Abstract

The invention discloses an automatic clamp and mechanism for an infusion tube, which comprises an infusion tube assembly and a clamp and assembly for automatically clamping an arc-shaped section in the infusion tube assembly, wherein the clamp and assembly comprises a rotating shaft and a rotating fixing cover arranged at one end of the rotating shaft, and an arc-shaped guide plate for guiding the arc-shaped section is arranged on the rotating fixing cover. When the arc-shaped section of the infusion tube assembly is slightly clamped on the clamp and the assembly, the rotating shaft rotates to drive the arc-shaped guide plate to rotate, the arc-shaped guide plate rotates to enable the arc-shaped section to be clamped along the guide surface of the arc-shaped guide plate and on the rotating shaft, the infusion tube can be conveniently and quickly installed, and the infusion tube assembly is simple in structure and convenient to use.

Description

Automatic clamp and mechanism for infusion tube

Technical Field

The invention belongs to the technical field of infusion pumps, and particularly relates to an automatic clamping and mechanism for an infusion tube.

Background

At present, the common infusion apparatus widely applied clinically mainly inputs liquid to a receptor by depending on liquid level difference pressure, and controls the infusion speed by depending on visual observation of nursing staff and manual adjustment of a wheel clamp. The common infusion apparatus lacks the functions of blocking alarm, bubble alarm, liquid infusion completion alarm and the like, thereby increasing the burden of clinical care; and the liquid bottle is easy to introduce outside air polluted liquid. The infusion pump is an instrument which can accurately control the number of infusion drops or the flow rate of infusion, ensure that the medicine can be uniformly mixed, ensure the medicine amount to be accurate and safely enter the body of a patient to play a role, is an intelligent infusion device, has the infusion speed not influenced by the back pressure of the human body and an operator, is accurate and reliable in infusion, contributes to reducing the working intensity of clinical care, and improves the accuracy, the safety and the care quality of the infusion.

The infusion pump has various product models and different performances. Can divide into peristaltic control formula transfer pump according to its job character, three types of constant volume control formula transfer pump and cylinder microinjection formula transfer pump, but current transfer pump need install the transfer line at the in-process that uses, with the transfer line card with to the drive shaft on, current mounting means all installs by the manual work, not only installs inconveniently and appear installing the risk that does not put in place easily, consequently need a transfer line card and the mechanism of being convenient for to install urgently.

Disclosure of Invention

1. Technical problem to be solved by the invention

The invention aims to solve the problems that the existing infusion tube is inconvenient to mount and is easy to be mounted in place.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the invention is as follows:

the automatic clamp and mechanism for the infusion tube comprises an infusion tube assembly and a clamp and assembly used for automatically clamping and clamping an arc-shaped section in the infusion tube assembly, wherein the clamp and assembly comprises a rotating shaft and a rotating fixing cover arranged at one end of the rotating shaft, an arc-shaped guide plate used for guiding the arc-shaped section is arranged on the rotating fixing cover, and the rotating direction of the arc-shaped guide plate is the same as the clamping direction of the infusion tube assembly.

Preferably, the arc-shaped guide plate extends outwards towards one end away from the rotating shaft.

Preferably, the arc deflector includes interconnect's embedded end and leading end, the embedded end with the edge connection of arc deflector, the leading end with the middle zone of arc deflector is connected, the radian at embedded end is less than the radian of leading end.

Preferably, the infusion set further comprises a fixing assembly for clamping the infusion tube assembly, wherein the fixing assembly comprises a card and a plate for fixing a vertical section in the infusion tube assembly, and the size of the card and the size of the plate are matched with that of the vertical section so that the arc-shaped section is embedded into the guide end of the arc-shaped guide plate.

Preferably, the height of the arc-shaped guide plate protruding out of the rotating surface of the rotating fixed cover is h, the radius of the arc-shaped section is r, and r is more than h and less than 3 r.

Preferably, the included angle formed by the arc-shaped guide plate and the rotary fixing cover is a, and a is 45-75 degrees.

Preferably, the rotational direction of the rotationally fixed cover is adapted to the position of the insertion end and the guide end such that the arc-shaped section first comes into contact with the guide end.

Preferably, two ends of the arc-shaped section of the infusion tube component are respectively connected with two parallel vertical sections, and the two vertical sections are connected with a joint through a connecting piece.

Preferably, the card and the assembly further comprise a rotation support cover arranged in parallel with the rotation fixing cover, the rotation support cover is arranged at one end, away from the rotation fixing cover, of the rotation shaft, and the rotation support cover is provided with an opening communicated with the rotation shaft.

Preferably, the rotary supporting cover and the rotary fixing cover are both provided with fixing holes, and the positions of the fixing holes of the rotary supporting cover and the rotary fixing cover are matched so that a plurality of rolling shafts are arranged between the rotary supporting cover and the rotary fixing cover.

Preferably, the rotating shaft is fixedly connected with a driving assembly.

Preferably, the rotation support cover and the rotation fixing cover are symmetrically provided with a plurality of protruding parts, the fixing holes are correspondingly formed in the protruding parts, and the arc-shaped guide plate is arranged between the two adjacent protruding parts.

Preferably, the rotating shaft is further provided with a mounting hole for mounting the sensor.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

the automatic clamp and mechanism for the infusion tube comprises an infusion tube assembly and a clamp and assembly used for automatically clamping and fixing an arc-shaped section in the infusion tube assembly, wherein the clamp and assembly comprises a rotating shaft and a rotating fixing cover arranged at one end of the rotating shaft, and an arc-shaped guide plate used for guiding the arc-shaped section is arranged on the rotating fixing cover. When the arc-shaped section of the infusion tube assembly is slightly clamped on the clamp and the assembly, the rotating shaft rotates to drive the arc-shaped guide plate to rotate, the arc-shaped guide plate rotates to enable the arc-shaped section to be clamped along the guide surface of the arc-shaped guide plate and on the rotating shaft, the infusion tube can be conveniently and quickly installed, and the infusion tube assembly is simple in structure and convenient to use.

Drawings

FIG. 1 is a schematic structural view of an automatic clamp and mechanism for an infusion tube according to the present invention;

FIG. 2 is a schematic view of the mounting arrangement of the clip and assembly and infusion tube assembly of the present invention;

FIG. 3 is a front view of the card and assembly of embodiment 1;

FIG. 4 is an isometric view of the card and assembly of example 1;

FIG. 5 is a side view of the card and assembly of example 1;

FIG. 6 is a top view of the card and assembly of embodiment 1;

fig. 7 is a schematic structural view of a card and a component of embodiment 2.

The reference numerals in the schematic drawings illustrate:

100. cards and components; 110. rotating the support cover; 120. a rotating shaft; 121. mounting holes; 122. a roller; 130. rotating the fixed cover; 131. a boss portion; 132. an arc-shaped guide plate; 133. a fixing hole; 134. an embedded end; 135. a guide end; 136. a non-return portion;

200. a transfusion tube assembly; 210. a joint; 220. a connecting member; 230. a vertical section; 240. an arc-shaped section;

300. a fixing component; 310. a card and a plate;

400. a drive assembly.

Detailed Description

In order that the invention may be more fully understood, reference will now be made to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration several embodiments of the invention which may be practiced in many different forms and not limited to the embodiments described herein, but which are provided for the purpose of providing a more complete disclosure of the invention.

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 also be present; 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; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative 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; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1-6, the automatic clamping and mechanism for an infusion tube of the present embodiment includes an infusion tube assembly 200 and a clamping and assembly 100 for automatically clamping and fixing an arc-shaped section 240 in the infusion tube assembly 200, the clamping and assembly 100 includes a rotation shaft 120 and a rotation fixing cover 130 disposed at one end of the rotation shaft 120, an arc-shaped guide plate 132 for guiding the arc-shaped section 240 is disposed on the rotation fixing cover 130, and a rotation direction of the arc-shaped guide plate 132 is the same as the clamping and direction of the infusion tube assembly 200. The automatic clamp and mechanism of transfer line of this embodiment, when the arc 240 of transfer line subassembly 200 slightly blocks on card and subassembly 100, axis of rotation 120 rotates and drives arc deflector 132 and rotate, and arc deflector 132 rotates and makes arc 240 along the spigot surface card of arc deflector 132 and on axis of rotation 120, can convenient and fast carry out the installation of transfer line, simple structure convenient to use.

Wherein the arc-shaped guide plate 132 extends outwardly toward an end away from the rotation shaft 120 to facilitate gripping and guiding the arc-shaped section 240 of the infusion tube assembly 200.

The arc deflector 132 includes interconnect's embedded end 134 and leading end 135, embedded end 134 with the edge connection of arc deflector 132, leading end 135 with the middle zone of arc deflector 132 is connected, the radian of embedded end 134 is less than the radian of leading end 135. Not only can the arc-shaped section 240 of the infusion tube assembly 200 well follow the guide end 135 into the insertion end 134, but also can the arc-shaped section 240 of the infusion tube assembly 200 be prevented from rebounding from the insertion end 134 to the guide end 135.

Also included is a fixation assembly 300 for holding the infusion tube assembly 200, the fixation assembly 300 including a clip and plate 310 for securing the vertical section 230 within the infusion tube assembly 200, the clip and plate 310 sized to fit the vertical section 230 such that the arcuate section 240 fits within the guide end 135 of the arcuate guide plate 132. Specifically, when the vertical segment 230 is engaged with the card and plate 310, the curved segment 240 is pressed by the vertical segment 230 against the surface of the card and assembly 100 to slide into the curved guide 132 and be guided onto the roller 122 as the card and assembly 100 rotates.

The protruding of arc deflector 132 the height of rotating fixed lid 130 rotating face is h, the radius of arc section 240 is r, and r < h < 3r, can guarantee that arc deflector 132 can be gone into arc deflector 132 with arc section 240 card and be led to on the roller bearing 122 by arc deflector 132 in the rotation process. When h < r, the position where the arc guide plate 132 contacts the arc segment 240 is lower than half of the arc segment 240, so that the arc segment 240 is not caught by the arc guide plate 132, and when h > 3r, the opening of the arc guide plate 132 is too large, and the distance of the arc guide plate 132 is too high, so that the arc segment 240 always contacts the surface of the arc guide plate 132 and is difficult to be caught by the arc guide plate 132.

The included angle formed between the arc-shaped guide plate 132 and the rotating fixing cover 130 is a, and a is 45-75 °, so that a good clamping force can be provided when the arc-shaped guide plate 132 and the rotating fixing cover 130 clamp the arc-shaped section 240.

The rotational direction of the rotation fixing cap 130 is matched to the positions of the insertion end 134 and the guide end 135 such that the arc-shaped segment 240 is first in contact with the guide end 135.

Two parallel vertical sections 230 are respectively connected to two ends of the arc-shaped section 240 of the infusion tube assembly 200, and the two vertical sections 230 are connected to the connector 210 through the connector 220.

The card and assembly 100 further includes a rotation support cover 110 disposed in parallel with the rotation fixing cover 130, the rotation support cover 110 is disposed at an end of the rotation axis 120 away from the rotation fixing cover 130, and the rotation support cover 110 is provided with an opening communicating with the rotation axis 120.

The rotating support cover 110 and the rotating fixing cover 130 are both provided with fixing holes 133, and the positions of the fixing holes 133 of the rotating support cover 110 and the rotating fixing cover 130 are matched so that a plurality of rollers 122 are arranged between the rotating support cover 110 and the rotating fixing cover 130. The arc-shaped section 240 is sleeved outside the plurality of rollers 122, and when the rotating shaft 120 rotates, the rollers 122 and the arc-shaped section 240 roll relatively to each other to perform infusion.

The rotating shaft 120 is fixedly connected with a driving assembly 400. The rotation supporting cover 110 and the rotation fixing cover 130 are symmetrically provided with a plurality of protrusions 131, preferably 3, but not limited to 3, and may also be 2, 4, 5, 6, etc., the fixing holes 133 are correspondingly provided on the protrusions 131, and the arc-shaped guide plate 132 is provided between two adjacent protrusions 131. The rotating shaft 120 is further provided with a mounting hole 121 for mounting a sensor.

Example 2

Referring to fig. 1, 2 and 7, the basic structure of the present embodiment is the same as that of embodiment 1, except that a check portion 136 is provided on the arc-shaped guide plate 132 of the present embodiment, the check portion 136 is provided on a guide surface of the arc-shaped guide plate 132 adjacent to the arc-shaped guide plate 132, and the check portion 136 includes an arc-shaped guide surface and a check slope.

The above-mentioned embodiments only express a certain implementation mode of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which are within the protection scope of the present invention; therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An automatic infusion tube clamping and mechanism is characterized in that: the clamping and assembly (100) comprises an infusion tube assembly (200) and a clamping and assembly (100) used for automatically clamping and connecting an arc-shaped section (240) in the infusion tube assembly (200), wherein the clamping and assembly (100) comprises a rotating shaft (120) and a rotating fixing cover (130) arranged at one end of the rotating shaft (120), an arc-shaped guide plate (132) used for guiding the arc-shaped section (240) is arranged on the rotating fixing cover (130), and the rotating direction of the arc-shaped guide plate (132) is the same as the clamping and direction of the infusion tube assembly (200);

further comprising a fixing assembly (300) for holding the infusion tube assembly (200), the fixing assembly (300) comprising a card and plate (310) for fixing a vertical section (230) within the infusion tube assembly (200), the size of the card and plate (310) being adapted to the size of the vertical section (230) such that the curved section (240) is embedded in the guide end (135) of the curved guide plate (132);

the height of the arc-shaped guide plate (132) protruding out of the rotating surface of the rotating fixed cover (130) is h, the radius of the arc-shaped section (240) is r, and r is more than h and less than 3 r;

the card and component (100) further comprises a rotary supporting cover (110) arranged in parallel with the rotary fixing cover (130), the rotary supporting cover (110) is arranged at one end, far away from the rotary fixing cover (130), of the rotary shaft (120), and the rotary supporting cover (110) is provided with an opening communicated with the rotary shaft (120);

the rotary supporting cover (110) and the rotary fixing cover (130) are both provided with fixing holes (133), and the positions of the fixing holes (133) of the rotary supporting cover (110) and the rotary fixing cover (130) are matched so that a plurality of rolling shafts (122) are arranged between the rotary supporting cover (110) and the rotary fixing cover (130).

2. An infusion tube auto-clip and mechanism as claimed in claim 1, wherein: the arc-shaped guide plate (132) extends outwards towards one end far away from the rotating shaft (120).

3. An automated tubing clamp and mechanism according to claim 2, wherein: arc deflector (132) include interconnect's embedded end (134) and leading end (135), embedded end (134) with the edge connection of arc deflector (132), embedded end (134) with the middle zone of arc deflector (132) is connected, the radian of embedded end (134) is less than the radian of leading end (135).

4. An infusion tube auto-clip and mechanism as claimed in claim 3, wherein: the included angle that arc deflector (132) and rotation fixed lid (130) formed is a, a =45~ 75.

5. An infusion tube auto-clip and mechanism as claimed in claim 3, wherein: the position of the insertion end (134) and the guide end (135) is adapted to the direction of rotation of the rotation-securing cap (130) such that the arc-shaped section (240) first comes into contact with the guide end (135).

6. An automated tubing clamp and mechanism according to claim 3, wherein: two ends of an arc-shaped section (240) of the infusion tube assembly (200) are respectively connected with two parallel vertical sections (230), and the two vertical sections (230) are connected with a connector (210) through a connecting piece (220).

7. An infusion tube auto-clip and mechanism as claimed in claim 1, wherein: the rotating shaft (120) is fixedly connected with a driving assembly (400).

8. An automated tubing clamp and mechanism according to claim 1, wherein: the rotation support cover (110) and the rotation fixing cover (130) are symmetrically provided with a plurality of protrusions (131), the fixing holes (133) are correspondingly arranged on the protrusions (131), and the arc-shaped guide plate (132) is arranged between the two adjacent protrusions (131).

9. An automated tubing clamp and mechanism according to claim 1, wherein: the rotating shaft (120) is also provided with a mounting hole (121) for mounting a sensor.