Infusion apparatus speed regulator

Abstract

The utility model belongs to the technical field of pipeline adjustment, and particularly relates to an infusion apparatus speed regulator which comprises a pipe penetrating device composed of a base and a top seat, the base is fixedly connected with the top seat through two supporting columns, a pipeline penetrates through the space between the two supporting columns, two extrusion cams are rotationally connected between the base and the top seat, and the two extrusion cams are arranged on the pipe penetrating device. The extrusion cams are located on the two sides of the pipeline, control handles are fixedly connected to the extrusion cams, and the extrusion cams are controlled by the control handles to rotate. According to the technical scheme, a brand new butt clamp cam technology is adopted for adjustment, a user presses the control handles relatively to enable the control handles to move towards the inner side or independently control one control handle to move, and therefore the control handles can be controlled to move towards the inner side. Therefore, regulation and control stroke nodes which are two times of that of a butt clamp are formed, regulation and control linearity is improved, friction force is not generated, and friction damage caused by long-time hand adjustment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipeline adjusting technical field, concretely relates to a transfusion device speed regulator. BACKGROUND

[0002] The existing transfusion device speed regulator mainly adjusts the speed of the pipeline through the form of the roller, when the pipeline passes through the support, the roller rolls on the inclined track on the support, and the friction force is utilized to realize the extrusion speed regulation of the pipeline, but the pushing form needs the fingers to exert a downward pressure on the roller, and the hands are also prone to slipping problems, the head nurse looks after the patients in the ward for a long time, and the continuous adjustment of the roller can cause hand pain. UTILITY MODEL CONTENTS

[0003] The utility model provides a kind of transfusion device speed regulator, with personnel passes through relative pressing control handle, make control handle move to inboard, or separately control one control handle to move, to form relative to two times of adjustment travel node of clamping, increase control linearity, and will not produce friction force, to reduce the friction damage caused by long time adjustment of hand feature.

[0004] The utility model provides the following technical scheme: including the pipe through device of the base, the top seat are formed, the base is fixedly connected with the top seat on two support columns, pipeline passes between two support columns, the base between the top seat is rotatably connected with two extrusion cams, the extrusion cam is located at the both sides of pipeline, the extrusion cam is fixedly connected with control handle, the extrusion cam is rotatably controlled by the control handle, the top surface of the top seat is fixedly connected with two arc plates by extension rod, the arc plate is equipped with positioning hole, the end of the control handle is equipped with pressing block, the pressing block is fixedly connected with the positioning hole by locking pin.

[0005] The utility model discloses a kind of transfusion device speed regulators according to the claim, wherein extrusion cam and the base are provided with torsion spring, and extrusion cam and the base are elastically connected by the torsion spring.

[0006] Wherein, the outer side of the pressing block is slidably connected with a control button, the locking pin is vertically slidably connected to the upper end surface of the pressing block, a control inclined surface is formed on the side surface of the locking pin, a control top rod is slidably connected to the side surface of the control button, and the control top rod is slidably connected with the control inclined surface.

[0007] Wherein, the control button is elastically slidably connected with the pressing block by a spring rod, the locking pin is slidably connected with the pressing block by a top spring, and the sum of the elastic coefficients of the spring rod and the top spring is less than the elastic coefficient of the torsion spring.

[0008] Wherein, the center of the arc plate coincides with the center of the extrusion cam.

[0009] The utility model discloses the beneficial effect is:

[0010] The base, the top seat are fixed through the support column between both and form the sandwich space, this technical scheme adopts the brand -new to the clamping cam technology adjustment, and the user is through the relative pressing control handle, and makes control handle to the inboard movement, or the movement of the control of a control handle alone, thereby forming the adjustment travel node of two times relative to the clamping, and increase the control linearity, and will not produce the friction force, thereby reducing the friction damage caused by the long -term adjustment of hand, and the specific control principle is, and the operator presses the pressing block, and makes the locking pin shrink, and the pressing block can separate with the positioning hole, thereby making control handle can drive extrusion cam rotation, utilizes the cam structure characteristics, thereby reaches the control of pipeline purpose.

[0011] The part not involved in the device is the same as the prior art or can be realized by using the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the overhead schematic diagram of the utility model;

[0013] Fig. 2 It is the adjustment schematic diagram of extrusion cam in the utility model;

[0014] Fig. 3 It is the cross section schematic diagram of control handle in the utility model;

[0015] In the drawing: 1, base;11, support column;12, 2, top seat;21, extension rod;22, arc plate;23, positioning hole;3, extrusion cam;31, torsional spring;4, control handle;41, pressing block;42, control button;421, control top rod;422, elastic rod;43, locking pin;431, control inclined plane;432, top spring. DETAILED DESCRIPTION

[0016] Please refer to Figs. 1-3 The utility model provides the following technical scheme: including by the base 1, the top seat 2 of pipe -through device, the base 1 is fixedly connected with the top seat 2 through two support columns 11, and the pipe passes between two support columns 11, and the base 1, the top seat 2 are rotatably connected with two extrusion cams 3 between, and the extrusion cam 3 is located at the both sides of pipe, and the extrusion cam 3 is fixedly connected with control handle 4, and the extrusion cam 3 is controlled rotation through control handle 4, and the top surface of top seat 2 is fixedly connected with two arc plates 22 through extension rod 21, and the arc plate 22 is set with positioning hole 23, and the end of control handle 4 is provided with pressing block 41, and pressing block 41 is fixedly connected with positioning hole 23 through locking pin 43.

[0017] In the embodiment: the base 1 and the top base 2 are fixed through the support column 11 to form a sandwich space, the pipeline passes between the base 1 and the top base 2 and is limited by the support column 11, which can avoid the movement of the pipeline to both sides, first, the new clamping cam technology is adopted for adjustment, the user controls the handle 4 by relative pressing, the handle 4 moves inward, or a control handle 4 is controlled to move alone, thereby forming a double adjustment stroke node relative to the clamping, increasing the control linearity, and without generating friction, thereby reducing the friction damage caused by long-time adjustment of the hand, and the specific control principle is that the operator presses the pressing block 41, the locking pin 43 is retracted, the pressing block 41 can be separated from the positioning hole 23, so that the control handle 4 can drive the extrusion cam 3 to rotate, the cam structure characteristics are used, and the purpose of controlling the pipeline is achieved.

[0018] In the embodiment: the extrusion cam 3 and the base 1 are provided with the torsion spring 31, the extrusion cam 3 and the base 1 are elastically connected through the torsion spring 31, the outer side of the pressing block 41 is slidably connected with the control button 42, the locking pin 43 is vertically and slidably connected to the upper end surface of the pressing block 41, the control inclined surface 431 is formed on the side surface of the locking pin 43, the control top rod 421 is slidably connected to the side surface of the control button 42, the control top rod 421 is slidably connected with the control inclined surface 431, the control button 42 is elastically and slidably connected with the pressing block 41 through the elastic rod 422, the locking pin 43 is slidably connected with the pressing block 41 through the top spring 432, and the sum of the elastic coefficients of the elastic rod 422 and the top spring 432 is less than the elastic coefficient of the torsion spring 31.

[0019] In the embodiment: in order to improve the convenience of control, the elastic coefficients of the elastic rod 422 and the top spring 432 are less than the elastic coefficient of the torsion spring 31, when the control button 42 is pressed, the elastic rod 422 and the top spring 432 are elastically deformed, and the torsion spring 31 does not elastically deform, when the control personnel presses, the torsion spring 31 elastically deforms, so that the position of the control handle 4 is adjusted, and in the release process, the fingers are expanded, so that the control handle 4 is opened outward under the action of 13, after reaching the position, only the hand is slid downward along the inclined rod of the control handle 4, the position of the control handle 4 is kept relatively fixed, the control button 42 is released, or the positioning hole 23 is arranged as an arc-shaped key groove, so that the control button 42 is quickly released, in the rebounding process of 13, the elastic rod 422 and the top spring 432 have completed resetting, so that locking is realized. In order to increase the convenience of pressing and improve the comfort of pressing, the control top rod 421 is arranged, the control top rod 421 cooperates with the elastic rod 422 to ensure that the control button 42 does not deviate during sliding, and the control top rod 421 is in contact with the control inclined surface 431, when the control top rod 421 slides inward, the locking pin 43 naturally moves downward.

[0020] The center of the arc plate 22 coincides with the center of the extrusion cam 3; because the number of control handles 4 is two and they are symmetrically arranged, the motion trajectories of the two control handles 4 are inconsistent, and the arc plate 22 has two arcs to correspond to the motion trajectories of each control handle 4.

Claims

1. An infusion set flow regulator, comprising: The utility model provides a pipe penetrating device, including the pipe penetrating device that is composed of base (1), top seat (2), two support columns (11) are fixedly connected with top seat (2) on base (1), and pipeline passes between two support columns (11), two extrusion cams (3) are rotatably connected between base (1), top seat (2), extrusion cam (3) is located at the both sides of pipeline, control handle (4) is fixedly connected on extrusion cam (3), and extrusion cam (3) is controlled rotation through control handle (4), the top of top seat (2) is fixedly connected with two arc plates (22) through extension rod (21), and the arc plate (22) is equipped with the locating hole (23) on it, the end of control handle (4) is equipped with press block (41), and press block (41) is fixedly connected with locating hole (23) through locking pin (43).

2. An infusion set flow regulator according to claim 1, wherein: The extrusion cam (3) and the base (1) are provided with a torsion spring (31), and the extrusion cam (3) and the base (1) are elastically connected through the torsion spring (31).

3. An infusion set flow regulator according to claim 2, wherein: The outer side of the press block (41) is slidably connected with a control button (42), the locking pin (43) is vertically slidably connected to the upper end surface of the press block (41), the control inclined surface (431) is formed on the side surface of the locking pin (43), the control top rod (421) is slidably connected to the side surface of the control button (42), and the control top rod (421) is slidably connected with the control inclined surface (431).

4. An infusion set flow regulator according to claim 3, wherein: The control button (42) is elastically slidably connected with the press block (41) through the elastic rod (422), the locking pin (43) is slidably connected with the press block (41) through the top spring (432), and the sum of the elastic coefficients of the elastic rod (422) and the top spring (432) is less than the elastic coefficient of the torsion spring (31).

5. The infusion set flow regulator of claim 1, wherein: The center of the arc plate (22) coincides with the center of the extrusion cam (3).

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