Sample extrusion mechanism

Abstract

The utility model discloses a sample extrusion mechanism, relates to sample processing technical field, including: mounting bracket, be equipped with slide bar, connecting rod, eccentric wheel, spacing subassembly and drive subassembly on the mounting bracket, slide bar is horizontally slide on the mounting bracket, spacing subassembly is used for spacing slide of slide bar, and drive subassembly is used for driving the slide bar to slide on the mounting bracket. The sliding rod can only move along the axial direction of the sliding rod; the suspension end of the sliding rod directly faces a sample test tube, the eccentric wheel is driven by the driving assembly to do eccentric motion, the connecting rod moves, the sliding rod reciprocates in the axial direction, the test tube is continuously extruded, a sample in the test tube is rapidly and uniformly mixed, and the mechanism is few in action, high in reciprocating frequency of the sliding rod and high in sample processing efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to sample processing technical field, concretely is a sample extrusion mechanism. BACKGROUND

[0002] At present, medical workers collect samples (such as leucorrhea) through collection sticks (cotton swab, sampling swab), usually manually pre-process the collected samples, specifically, collecting samples by collection stick, then placing the collection stick in a test tube containing diluent, by shaking the sampling stick and shaking the test tube, the sample attached to the sampling stick enters the diluent and is mixed in the diluent, finally taking out the sampling stick and smearing it on a glass slide.

[0003] The sample pre-processing task is numerous, in order to avoid the long-time repeated manual mixing operation of medical workers, part of the test tube is clamped and shaken by clamping assembly, the sample is shaken, but the shaking strength is not high, another part is driven by a stepping motor, a gear rack, and the test tube is extruded, but the frequency is slow, and the sample processing effect is poor.

[0004] Therefore, there is an urgent need for a sample extrusion mechanism. INVENTION CONTENTS

[0005] In view of the problems in the prior art, the utility model solves the problems by the following technical structure.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A sample extrusion mechanism, comprising: a mounting bracket, a slide rod, a connecting rod, an eccentric wheel, a limiting assembly and a driving assembly are arranged on the mounting bracket, the slide rod is horizontally slidably arranged on the mounting bracket, the limiting assembly is used for limiting the sliding of the slide rod, so that the slide rod can only move along the axial direction of the slide rod;

[0008] Both ends of the connecting rod are rotatably connected with the slide rod and the eccentric wheel, and the driving assembly is used for driving the eccentric wheel to make eccentric motion.

[0009] Further features are,

[0010] The driving assembly comprises a rotating wheel and a power assembly, the rotating wheel is rotatably arranged on the mounting bracket, the power assembly is used for rotating the rotating wheel, and the eccentric wheel is arranged on the rotating wheel in different shafts.

[0011] The power assembly comprises a motor, the motor is arranged on the mounting bracket, and the rotating wheel is coaxially arranged on the output end of the motor.

[0012] The mounting bracket is U-shaped, and the motor is arranged at the inner side of the mounting bracket.

[0013] The rotating wheel is arranged above the mounting bracket, one end of the mounting bracket is provided with a through hole, and the output end of the motor penetrates through the through hole.

[0014] The limiting assembly comprises a limiting bracket, the limiting bracket is arranged at the top end of the mounting bracket, a sleeve is arranged on the limiting bracket, and the sliding rod is arranged in the sleeve.

[0015] The limiting bracket is fixed on the mounting bracket through bolts.

[0016] The connecting rod is connected with the eccentric wheel and the sliding rod through bearings.

[0017] The suspended end of the sliding rod is provided with a rubber pad.

[0018] The ring side of the rotating wheel is provided with a C-shaped photoelectric baffle, and the mounting bracket is provided with a groove-shaped photoelectric coupler matched with the photoelectric baffle.

[0019] The above structure of the utility model can achieve the following beneficial effects:

[0020] The mechanism is arranged on one side of the sample test tube, the suspended end of the sliding rod is opposite to the sample test tube, the eccentric wheel is driven to make eccentric motion through the driving assembly, the connecting rod is moved, the sliding rod is reciprocated along the axial direction, the test tube is continuously extruded, the sample in the test tube is quickly mixed, the mechanism has less action, the sliding rod has high reciprocating frequency, and the sample processing efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the application;

[0022] Figure 2 It is a structural schematic view of another view of the application;

[0023] Figure 3 It is a structural schematic view of the mounting bracket and the limiting bracket in the application.

[0024] In the figure: 1, mounting bracket; 2, sliding rod; 3, connecting rod; 4, eccentric wheel; 5, rotating wheel; 6, motor; 7, limiting bracket; 71, sleeve; 8, photoelectric baffle; 9, groove-shaped photoelectric coupler. DETAILED DESCRIPTION

[0025] In order to make the person skilled in the art better understand the technical scheme of the present application, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0026] It should be noted that the terms "comprising" and "having" and any variations thereof in the specification and claims of the present application and the above drawings are intended to cover non-exclusive inclusion, for example, a process, method, device, product or equipment comprising a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0027] The above and other embodiments of the present application will be described in detail below with reference to the accompanying drawings. Figures 1-2 The present application will be described in further detail.

[0028] Reference is made to Figures 1-2 As shown in the sample extrusion mechanism, comprising: mounting bracket 1, the mounting bracket 1 is provided with slide rod 2, connecting rod 3, eccentric wheel 4, limiting assembly and driving assembly, slide rod 2 horizontal sliding is provided on the mounting bracket 1, limiting assembly is used for limiting the slide of slide rod 2, make slide rod 2 can only move along the axial direction of slide rod 2; the two ends of connecting rod 3 are rotatably connected with slide rod 2 and eccentric wheel 4 respectively, driving assembly is used for driving eccentric wheel 4 to do eccentric motion, so, set the mechanism on one side of the sample test tube, the suspended end of slide rod 2 is opposite to the sample test tube, drive eccentric wheel 4 to do eccentric motion through driving assembly, make connecting rod 3 move, make slide rod 2 reciprocating motion along the axial direction, constantly extrude the test tube, make the sample in the test tube quickly mixed, the mechanism action is less, the reciprocating frequency of slide rod 2 is high, the sample processing efficiency is high.

[0029] Reference is made to Figures 1-2 As shown in the sample extrusion mechanism, comprising: mounting bracket 1, the mounting bracket 1 is provided with slide rod 2, connecting rod 3, eccentric wheel 4, limiting assembly and driving assembly, slide rod 2 horizontal sliding is provided on the mounting bracket 1, limiting assembly is used for limiting the slide of slide rod 2, make slide rod 2 can only move along the axial direction of slide rod 2; the two ends of connecting rod 3 are rotatably connected with slide rod 2 and eccentric wheel 4 respectively, driving assembly is used for driving eccentric wheel 4 to do eccentric motion, so, set the mechanism on one side of the sample test tube, the suspended end of slide rod 2 is opposite to the sample test tube, drive eccentric wheel 4 to do eccentric motion through driving assembly, make connecting rod 3 move, make slide rod 2 reciprocating motion along the axial direction, constantly extrude the test tube, make the sample in the test tube quickly mixed, the mechanism action is less, the reciprocating frequency of slide rod 2 is high, the sample processing efficiency is high.

[0030] Reference is made to Figures 1-3As shown in the drawings, in order to facilitate the installation of the motor 6, the mounting bracket 1 is U-shaped, the motor 6 is arranged on the inner side of the mounting bracket 1, and the runner 5 is arranged above the mounting bracket 1. One end of the mounting bracket 1 is provided with a through hole, and the output end of the motor 6 penetrates through the through hole, so that the motor 6 is stably installed.

[0031] Reference Figures 1-3 As shown in the drawings, in order to limit and guide the movement of the slide rod 2, the limiting assembly comprises a limiting bracket 7 arranged at the top end of the mounting bracket 1, and a sleeve 71 is arranged on the limiting bracket 7. The slide rod 2 is arranged in the sleeve 71, so that the slide rod 2 can only slide in the sleeve 71, and the slide rod 2 can accurately extrude the sample tube. The suspended end of the slide rod 2 can be provided with a rubber pad to play a buffering role. In order to facilitate the disassembly and assembly of the limiting bracket 7, the limiting bracket 7 is fixed on the mounting bracket 1 through bolts.

[0032] Further optimization is that, in order to improve the service life of the mechanism and reduce the wear between parts, the connecting rod 3, the eccentric wheel 4 and the slide rod 2 are connected through bearings. Specifically, the rotating shafts are arranged on the slide rod 2 and the eccentric wheel 4, the bearings are sleeved on the rotating shafts, and the connecting rod is sleeved on the bearings to realize assembly. The relative movement between the parts is more smooth, the wear is reduced, and the service life is improved.

[0033] Further optimization is that, as shown in the drawings, Figure 1 and Figure 2 In order to monitor the state of the slide rod 2, the ring side of the runner 5 is provided with a C-shaped photoelectric baffle 8, and the mounting bracket 1 is provided with a groove-shaped photoelectric coupler 9 matched with the photoelectric baffle 8. When the gap of the photoelectric baffle 8 is arranged at the groove-shaped photoelectric coupler 9, the slide rod 2 is farthest or closest to the sample tube. The specific setting is according to the requirement.

[0034] The working principle of the utility model is: the mechanism is arranged on one side of the sample tube, the suspended end of the slide rod 2 faces the sample tube, the eccentric wheel 4 is driven to make eccentric motion through the driving assembly, the connecting rod 3 is moved, the slide rod 2 is reciprocated along the axial direction, the sample tube is continuously extruded, and the sample in the sample tube is quickly mixed. The mechanism has less action, the slide rod 2 has high reciprocating frequency, and the sample processing efficiency is high.

[0035] The above is only the preferred embodiment of the present application, and the utility model is not limited to the above examples. It can be understood that other improvements and changes directly derived or thought by those skilled in the art without departing from the spirit and concept of the utility model should be considered to be included in the protection scope of the utility model.

Claims

1. A sample squeezing mechanism, characterized in that: include: A mounting bracket (1), wherein a slide bar (2), a connecting rod (3), an eccentric wheel (4), a limit assembly and a driving assembly are provided on the mounting bracket (1); the slide bar (2) is horizontally slidably provided on the mounting bracket (1); the limit assembly is used to limit the sliding of the slide bar (2) so that the slide bar (2) can only move along the axial direction of the slide bar (2); The two ends of the connecting rod (3) are rotatably connected to the sliding rod (2) and the eccentric wheel (4), respectively, and the driving assembly is used to drive the eccentric wheel (4) to perform eccentric movement.

2. A sample squeezing mechanism according to claim 1, characterized in that: The driving assembly comprises a rotating wheel (5) and a power assembly. The rotating wheel (5) is rotatably arranged on the mounting bracket (1). The power assembly is used to rotate the rotating wheel (5). The eccentric wheel (4) is non-coaxially arranged on the rotating wheel (5).

3. The sample squeezing mechanism according to claim 2, characterized in that: The power assembly comprises a motor (6), the motor (6) is arranged on the mounting bracket (1), and the rotating wheel (5) is coaxially arranged at the output end of the motor (6).

4. The sample squeezing mechanism according to claim 3, characterized in that: The mounting bracket (1) is U-shaped, and the motor (6) is arranged on the inner side of the mounting bracket (1).

5. The sample squeezing mechanism according to claim 4, characterized in that: The rotating wheel (5) is arranged above the mounting bracket (1); a through hole is provided at one end of the mounting bracket (1); and the output end of the motor (6) passes through the through hole.

6. The sample squeezing mechanism according to claim 1, characterized in that: The limiting assembly comprises a limiting bracket (7), the limiting bracket (7) is arranged at the top end of the mounting bracket (1), a sleeve (71) is provided on the limiting bracket (7), and the sliding rod (2) is inserted into the sleeve (71).

7. The sample squeezing mechanism according to claim 6, characterized in that: The limiting bracket (7) is fixed to the mounting bracket (1) by means of bolts.

8. The sample squeezing mechanism according to claim 1, characterized in that: The connecting rod (3) is connected to the eccentric wheel (4) and the sliding rod (2) via bearings.

9. The sample squeezing mechanism according to claim 1, characterized in that: The suspended end of the slide rod (2) is provided with a rubber pad.

10. The sample squeezing mechanism according to claim 2, characterized in that: A C-shaped photoelectric baffle (8) is provided on the ring side of the rotating wheel (5), and a slot-shaped optical coupler (9) adapted to the photoelectric baffle (8) is provided on the mounting bracket (1).

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