Simple test strip conveying device

By using a simplified motor-driven cam structure and guide rail system, high-precision delivery of test strips is achieved, solving the problems of high cost and low accuracy of existing devices and improving the accuracy of detection.

CN224029950UActive Publication Date: 2026-03-24GUANGXI BAISE CHENHAI TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing medical instrument test strip delivery devices have complex structures, resulting in high production costs, numerous installation components, and low positional accuracy, which affects the accuracy of testing.

Method used

A simplified motor-driven cam structure is adopted, combined with an X-axis guide rod and a Y-axis guide rail. The cam's circumferential motion drives the gear holder to achieve precise delivery of the test strip, simplifying the transmission structure and improving displacement accuracy.

Benefits of technology

This reduces manufacturing costs, improves the positioning accuracy of test strip delivery, and ensures the accuracy of testing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of medical instruments, in particular to a simple test strip conveying device which comprises a motor, a cam, a moving frame, a tooth support and a bottom plate, the motor and the moving frame are respectively arranged on the bottom plate, the cam is embedded in the moving frame, and the edge of the cam abuts against the inner edge of the moving frame. An output shaft of the motor is fixedly connected with the rotating center of the cam, and the tooth support is arranged on the side, away from the motor, of the moving frame and fixedly connected with the moving frame. The tooth support is directly connected with the power input mechanism, and the tooth support piece is directly driven by the power input piece; the structure of a transmission structure is simplified, and the manufacturing cost is reduced; and the transmission chain is short, so that the displacement precision of the tooth holder is improved, and the detection accuracy is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a simple and easy transport test strip device. BACKGROUND

[0002] The current medical instrument test strip transport device adopts complicated motor drive connecting rod device and mechanical poking or belt to realize progressive action, and the purpose of transporting test strip is achieved, and the test strip needs to be accurately transported to the specified position required by detection in the transportation process, and the smooth progress of the detection process is ensured.

[0003] However, such equipment usually involves precise mechanical transmission, positioning system and control system, so it has the defects of complicated device mechanical structure, many installation components and high production cost, and device error problems are prone to occur in batch production, resulting in low position precision of the transported test strip and affecting the accuracy of instrument detection. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a simple and easy transport test strip device, aiming at providing a transport test strip device which is easier to install, has higher precision and is lower in manufacturing cost, and solving the technical problem of poor use experience of the existing medical instrument test strip transport device.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a simple and easy transport test strip device, which comprises a motor, a cam, a moving frame, a tooth holder and a bottom plate, the motor and the moving frame are arranged on the bottom plate respectively, the motor is fixedly connected with the bottom plate, the moving frame is movably connected with the bottom plate, the cam is embedded in the moving frame, the cam edge is in mutual abutment with the inner edge of the moving frame, the output shaft of the motor is fixedly connected with the rotation center of the cam, the tooth holder is arranged on the side of the moving frame away from the motor and is fixedly connected with the moving frame.

[0006] The moving frame comprises an X-axis guide rod, an inner frame, a Y-axis guide rail and a Y-axis sliding block, the number of the X-axis guide rod and the Y-axis guide rail is two groups, two groups of Y-axis sliding blocks are matched with two groups of Y-axis guide rails, two groups of Y-axis guide rails are arranged in relative parallelism and are vertically installed on the bottom plate respectively, and each group of Y-axis sliding blocks is sleeved on the corresponding Y-axis guide rail; two groups of X-axis guide rods are also arranged in parallelism and are connected with two groups of Y-axis sliding blocks in rectangular shape; the inner frame is penetrated on two groups of X-axis guide rods and can slide along the X-axis guide rod.

[0007] The profile of the cam is composed of a large circular arc with a radius of 33.6 mm, a small circular arc with a radius of 14 mm and two line segments connecting the end points of the two circular arcs, and the two circular arcs are concentric; the two end points A and B of the large circular arc are perpendicular to the lines AO and BO respectively, and the length of the line AB connecting the two points A and B is 47.52 mm.

[0008] The inner frame of the moving frame has an inner dimension of a square with a side length of 47.6 mm.

[0009] The utility model provides a simple and easy transport test paper strip device, including motor, cam, moving frame, tooth support and bottom plate, motor and moving frame set up on the bottom plate respectively, cam is embedded in moving frame, the edge of cam and the inner edge of moving frame are opposite each other, the output shaft of motor and the rotation center of cam fixed connection, tooth support sets up in moving frame far from motor's one side, and is connected fixedly with moving frame. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be to the embodiment or prior art description needed to use the drawing briefly introduce, obviously, the following description in the drawing only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0011] Figure 1 It is a structure schematic diagram of a simple and easy transport test paper strip device of the utility model.

[0012] Figure 2 It is a top view structure schematic diagram of a simple and easy transport test paper strip device of the utility model.

[0013] Figure 3 It is a cam and moving frame geometric dimension relationship schematic diagram of a simple and easy transport test paper strip device of the utility model.

[0014] 1-motor, 2-cam, 3-moving frame, 4-tooth support, 5-bottom plate, 6-X axis guide rod, 7-inner frame, 8-Y axis guide rail, 9-Y axis sliding block. DETAILED DESCRIPTION

[0015] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein like or similar constituent elements or elements having the same or similar functions are denoted by like reference characters throughout the attached drawing figures. The embodiments described below with reference to the drawing figures are exemplary and are intended to be illustrative of the present application and are not to be understood as limiting the present application.

[0016] Referring to Figure 1 and Figure 2 The utility model provides a simple and easy delivery test paper strip device, including motor 1, cam 2, motion frame 3, tooth support 4 and bottom plate 5, motor 1 with motion frame 3 sets up on bottom plate 5 respectively, motor 1 with bottom plate 5 fixed connection, motion frame 3 with bottom plate 5 swing joint, cam 2 is embedded in motion frame 3, and the edge of cam 2 with the inner edge of motion frame 3 is opposite each other, the output shaft of motor with the rotation center of cam 2 fixed connection, tooth support 4 sets up in motion frame 3 away from one side of motor with motion frame 3 fixed connection,

[0017] Motion frame 3 includes X-axis guide rod 6, inner frame 7, Y-axis guide rail 8 and Y-axis sliding block 9 respectively, the number of X-axis guide rod 6 and Y-axis guide rail 8 is two groups, two groups Y-axis guide rail 8 are adapted to two groups Y-axis sliding block 9, two groups Y-axis guide rail 8 are relatively parallel and are vertically installed on bottom plate 5 respectively, and each group Y-axis sliding block 9 is respectively sleeved on the corresponding X-axis guide rod 8, two groups X-axis guide rod 6 are also parallel and are connected with two groups Y-axis sliding block 9 to be rectangular, and inner frame 7 is provided on two groups X-axis guide rod 6 and can slide along X-axis guide rod 6.

[0018] The profile of cam 2 is composed of a large circular arc with a radius of 33.6 mm, a small circular arc with a radius of 14 mm, and two line segments connecting the endpoints of the two circular arcs, respectively. The two circular arcs are concentric. The two endpoints A and B of the large circular arc are perpendicular to the lines AO and BO connecting the axis O, respectively. The length of the line AB connecting the two points A and B is 47.52 mm.

[0019] The inner frame 7 of the motion frame 3 has an inner dimension of a square with a side length of 47.6 mm.

[0020] In this embodiment, the cam 2 is driven to rotate by the motor 1, and the circular motion of the cam 2 is converted into a square trajectory motion of the tooth support 4, accurately delivering the test paper strip to the destination position. As Figure 3As shown, the profile of the cam 2 is composed of a large circular arc with a radius of 33.6 mm, a small circular arc with a radius of 14 mm, and two line segments connecting the end points of the two circular arcs, and the two circular arcs are concentric. The two end points A and B of the large circular arc are perpendicular to the lines AO and BO connecting the axis O and the points A and B, respectively, and the length of the line AB connecting the points A and B is 47.52 mm. The inner frame 7 of the moving frame 3 is a square with a side length of 47.6 mm, which is exactly the sum of the radii of the large and small circular arcs of the cam 2 (33.6+14=47.6), and is slightly larger than the length of the line segment AB of the cam 2 (47.6-47.52=0.08). These geometric relationships ensure that under the rotation of the cam 2, the moving frame 3 drives the tooth holder 4 to move in a square trajectory with a side length of 19.6 mm.

[0021] Specifically, the movement process is as follows: first, the cam 2 is driven by the motor 1 installed on the bottom plate 5, the cam 2 is rotated upward from the starting position, the moving frame 3 and the tooth holder 4 are lifted as a whole along the Y-axis guide rail 8 in the Y-axis direction, and the moving frame 3 and the tooth holder 4 are moved to the working position; when the cam 2 moves to the highest point, with the rotation of the cam 2, the moving frame 3 and the tooth holder 4 move as a whole along the X-axis guide rod 6 in the X-axis direction, and reach the working position, and the device completes the precise displacement of the test strip in the X-axis direction; the motor 1 drives the cam 2 to continue rotating in the original direction for one revolution, and the moving frame 3 and the tooth holder 4 move as a whole along the Y-axis guide rail 8 in the Y-axis direction and along the X-axis guide rod 6 in the X-axis direction, and the moving frame 3 and the tooth holder 4 return to the original position to complete a work.

[0022] The above only discloses one or more preferred embodiments of the present application, and of course cannot limit the scope of the present application, and those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope of the present application.

Claims

1. A simple device for transporting test strips, characterized in that, The device includes a motor, a cam, a motion frame, a gear support, and a base plate. The motor and the motion frame are respectively mounted on the base plate. The motor is fixedly connected to the base plate, and the motion frame is movably connected to the base plate. The cam is embedded in the motion frame, and the edge of the cam abuts against the inner edge of the motion frame. The output shaft of the motor is fixedly connected to the rotation center of the cam. The gear support is located on the side of the motion frame away from the motor and is fixedly connected to the motion frame. The motion frame includes an X-axis guide rod, an inner frame, a Y-axis guide rail, and a Y-axis slider. There are two sets of X-axis guide rods and two sets of Y-axis guide rails. The two sets of Y-axis guide rails are adapted to two sets of Y-axis sliders. The two sets of Y-axis guide rails are arranged parallel to each other and are vertically mounted on the base plate. Each set of Y-axis sliders is sleeved on the corresponding Y-axis guide rail. The two sets of X-axis guide rods are also arranged parallel to each other and are connected to the two sets of Y-axis sliders in a rectangular configuration. The inner frame passes through the two sets of X-axis guide rods and can slide along the X-axis guide rods.

2. The simplified test strip transport device as described in claim 1, characterized in that, The cam profile consists of a large arc with a radius of 33.6 mm, a small arc with a radius of 14 mm, and two line segments connecting the endpoints of the two arcs respectively. The two arcs are concentric. The two endpoints A and B of the large arc are perpendicular to the lines AO and BO connecting the axis O respectively. The length of the line AB connecting points A and B is 47.52 mm.

3. The simplified test strip transport device as described in claim 2, characterized in that, The inner frame of the exercise frame has an inner edge dimension of a square with a side length of 47.6 mm.