Sample introduction mechanism of sample analyzer

Abstract

The utility model relates to the technical field of sample analysis, in particular to a sample introduction mechanism of a sample analyzer, which comprises a guide piece, the inner wall of the guide piece is in sliding connection with the outer wall of a sample piece, and after a sample frame is inserted into a containing cavity from an insertion groove, a sliding block enters a first sliding groove; a first motor drives a transmission rod to rotate to form circulating motion of a conveying belt, the conveying belt drives a sample frame to move in a containing cavity along a first sliding groove, after the conveying belt moves by a certain distance, a sliding block enters a third sliding groove from the first sliding groove, and meanwhile a groove in the bottom of the sample frame moves to the position above a protruding block to make contact with the protruding block; a screw rod is driven by a second motor to rotate, so that a convex block moves along a second sliding groove, then a sample frame and a sliding block are driven to move to the position below the sample analyzer body in the direction of a fourth sliding groove, and the stability and reliability of the sample frame in the moving process are ensured through multiple guiding and supporting; the sample frame is effectively prevented from deviating or overturning in the moving process.

Description

Technical Field

[0001] The utility model relates to the technical field of sample analysis, in particular to a sample feeding mechanism of a sample analyzer. Background Art

[0002] Samples are usually placed on a sample rack and transported to a sample analyzer for detection and analysis. A sample injection channel is usually provided in the sample injection mechanism to transport the sample rack into the sample analyzer and improve the working efficiency of the sample analyzer.

[0003] Currently, the injection channels in most injection mechanisms on the market are long and narrow, which requires a large space. In environments with limited space such as laboratories or production lines, this design may limit the layout and operating space of other equipment, resulting in a decrease in overall work efficiency. Utility Model Content

[0004] The present invention aims to provide a sample analyzer injection mechanism to address the problem of the large space required by the long, strip-shaped injection channel, as discussed in the background art. To achieve this, the present invention provides the following technical solution: The sample analyzer injection mechanism comprises a guide member, the inner wall of which is slidably connected to the outer wall of a sample member, the bottom of which is drivingly connected to the top of a first drive member, and the guide member comprising a first guide rail, a second guide rail, a receiving cavity, an insertion slot, a first slide groove, a first rotary hole, a second slide groove, a second rotary hole, a third slide groove, and a fourth slide groove.

[0005] The front of the first driving member is fixedly connected to the back of the guide member, the inner wall of the guide member is slidably connected to the outer wall of the second driving member near the bottom, and the bottom of the guide member is fixedly connected to the top of the sample analysis member near the back.

[0006] Preferably, the right side of the first guide rail is fixedly connected to the left side of the second guide rail, and an accommodating cavity is provided inside the first guide rail, an insertion groove is provided on the top of the first guide rail, and a first slide groove is provided on the front and back of the accommodating cavity, a first rotation hole is provided on the front and back of the first guide rail, and a second slide groove is provided on the inner bottom wall of the second guide rail, a second rotation hole is provided on the front and back of the second slide groove, and a third slide groove is provided on the inner side wall of the second guide rail close to the back, and a fourth slide groove is provided on the inner side walls on both sides of the second guide rail.

[0007] Preferably, the sample piece includes a sample rack, a slider and a groove, sliders are provided on both sides of the sample rack, and a groove is provided at the bottom of the sample rack, the outer wall of the sample rack is slidably connected to the inner wall of the accommodating cavity, and the outer wall of the slider is slidably connected to the inner wall of the first sliding groove.

[0008] Preferably, the first driving member consists of a first mounting plate, a first motor, two transmission rods and a conveyor belt. The outer side wall of the first mounting plate is fixedly connected to the outer wall of the first motor by bolts, and the output end of the first motor is fixedly connected to one end of one of the transmission rods by a coupling. The two transmission rods are respectively transmission-connected to the inner walls on both sides of the conveyor belt, and the outer walls at both ends of the two transmission rods are rotatably connected to the inner wall of the first rotating hole. The front side of the first mounting plate is fixedly connected to the back side of the first guide rail, and the top of the conveyor belt is transmission-connected to the bottom of the sample rack.

[0009] Preferably, the second driving member includes a second mounting plate, a second motor, a screw and a protrusion, the outer side wall of the second mounting plate is fixedly connected to the outer wall of the second motor by a bolt, and the output end of the second motor is fixedly connected to one end of the screw by a coupling, the outer wall of the screw away from the two ends is threadedly connected to the inner wall of the protrusion, and the front side of the second mounting plate is fixedly connected to the back side of the second guide rail, the outer walls at both ends of the screw are rotatably connected to the inner wall of the second rotating hole, and the outer wall of the protrusion near the bottom is slidably connected to the inner wall of the second slide groove.

[0010] Preferably, the sample analysis component consists of a base plate, a support plate and a sample analyzer body, the top of the base plate near the front is fixedly connected to the bottom of the support plate, and the top of the support plate is fixedly connected to the bottom of the sample analyzer body, and the top of the base plate near the back is fixedly connected to the bottom of the first guide rail and the second guide rail respectively.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] In the present invention, after the sample rack is inserted into the accommodating cavity from the insertion slot, the slider enters the first slide groove, and the first motor drives the transmission rod to rotate to form a circular motion of the conveyor belt, which drives the sample rack to move along the first slide groove in the accommodating cavity. After moving a certain distance, the slider enters the third slide groove from the first slide groove, and at the same time, the groove at the bottom of the sample rack moves to the top of the protrusion and contacts it. The second motor drives the screw to rotate to make the protrusion move along the second slide groove, and then drives the sample rack and the slider to move along the direction of the fourth slide groove to the bottom of the sample analyzer body. The stability and reliability of the sample rack during movement are ensured by multiple guides and supports, and the sample rack is effectively prevented from deflecting or overturning during movement.

[0013] In the present invention, the sample introduction mechanism can complete the sample introduction in a smaller plane space by moving horizontally and then vertically, avoiding the space waste that may be caused by the traditional long strip design, so that the equipment can be used conveniently in a limited space. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a transverse cross-sectional view of the utility model;

[0016] Figure 3 It is a longitudinal sectional view of the utility model;

[0017] Figure 4 This is an exploded view of the utility model;

[0018] Figure 5 This is an exploded view of the guide member in the utility model;

[0019] Figure 6 This is a bottom view of the sample component in the present invention.

[0020] In the figure: 1. Guide member; 101. First guide rail; 102. Second guide rail; 103. Accommodating chamber; 104. Insertion slot; 105. First slide slot; 106. First rotary hole; 107. Second slide slot; 108. Second rotary hole; 109. Third slide slot; 110. Fourth slide slot; 2. Sample member; 201. Sample rack; 202. Slider; 203. Groove; 3. First driving member; 301. First mounting plate; 302. First motor; 303. Transmission rod; 304. Conveyor belt; 4. Second driving member; 401. Second mounting plate; 402. Second motor; 403. Screw; 404. Bump; 5. Sample analysis member; 501. Bottom plate; 502. Support plate; 503. Sample analyzer body. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technical personnel in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0022] See also Figures 1 to 6 The present invention provides a technical solution: a sample feeding mechanism of a sample analyzer, including a guide member 1, the inner wall of the guide member 1 is slidably connected to the outer wall of the sample member 2, the bottom of the sample member 2 is transmission-connected to the top of the first driving member 3, and the guide member 1 is composed of a first guide rail 101, a second guide rail 102, a accommodating cavity 103, an insertion groove 104, a first slide groove 105, a first rotating hole 106, a second slide groove 107, a second rotating hole 108, a third slide groove 109 and a fourth slide groove 110.

[0023] The front of the first driving member 3 is fixedly connected to the back of the guide member 1, the inner wall of the guide member 1 is slidingly connected to the outer wall of the second driving member 4 near the bottom, and the bottom of the guide member 1 is fixedly connected to the top of the sample analysis member 5 near the back.

[0024] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, the right side of the first guide rail 101 is fixedly connected to the left side of the second guide rail 102, and a accommodating cavity 103 is provided inside the first guide rail 101, an insertion groove 104 is provided on the top of the first guide rail 101, and a first slide groove 105 is provided on the front and back of the accommodating cavity 103, a first rotation hole 106 is provided on the front and back of the first guide rail 101, and a second slide groove 107 is provided on the inner bottom wall of the second guide rail 102, a second rotation hole 108 is provided on the front and back of the second slide groove 107, and a third slide groove 109 is provided on the inner side wall of the second guide rail 102 close to the back, and a fourth slide groove 110 is provided on the inner side walls on both sides of the second guide rail 102.

[0025] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, the sample member 2 includes a sample rack 201, a slider 202 and a groove 203. Sliders 202 are provided on both sides of the sample rack 201, and a groove 203 is provided at the bottom of the sample rack 201. The outer wall of the sample rack 201 is slidably connected to the inner wall of the accommodating cavity 103, and the outer wall of the slider 202 is slidably connected to the inner wall of the first slide groove 105. After the sample rack 201 is inserted into the accommodating cavity 103 from the insertion groove 104, the slider 202 enters the first slide groove 105.

[0026] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the first driving member 3 consists of a first mounting plate 301, a first motor 302, two transmission rods 303 and a conveyor belt 304. The outer wall of the first mounting plate 301 is fixedly connected to the outer wall of the first motor 302 by bolts, and the output end of the first motor 302 is fixedly connected to one end of one of the transmission rods 303 through a coupling. The two transmission rods 303 are respectively transmission-connected to the inner walls on both sides of the conveyor belt 304, and the outer walls at both ends of the two transmission rods 303 are rotatably connected to the inner wall of the first rotating hole 106. The front side of the first mounting plate 301 is fixedly connected to the back side of the first guide rail 101, and the top of the conveyor belt 304 is transmission-connected to the bottom of the sample rack 201. The transmission rod 303 is driven to rotate by the first motor 302 to form a circular motion of the conveyor belt 304, and the conveyor belt 304 drives the sample rack 201 to move along the first slide groove 105 in the accommodating cavity 103. After moving a certain distance, the slider 202 enters the third slide groove 109 from the first slide groove 105.

[0027] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, the second driving member 4 includes a second mounting plate 401, a second motor 402, a screw 403 and a protrusion 404. The outer wall of the second mounting plate 401 is fixedly connected to the outer wall of the second motor 402 by a bolt, and the output end of the second motor 402 is fixedly connected to one end of the screw 403 through a coupling, the outer walls of the screw 403 away from both ends are threadedly connected to the inner wall of the protrusion 404, and the front side of the second mounting plate 401 is fixedly connected to the back side of the second guide rail 102, the outer walls at both ends of the screw 403 are rotatably connected to the inner wall of the second rotating hole 108, and the outer wall near the bottom of the protrusion 404 is slidably connected to the inner wall of the second sliding groove 107. When the slider 202 enters the third sliding groove 109 from the first sliding groove 105, the groove 203 at the bottom of the sample rack 201 moves to the top of the protrusion 404 and contacts it, and the screw 403 is driven to rotate by the second motor 402 to cause the protrusion 404 to move along the second sliding groove 107.

[0028] In this embodiment, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6As shown, the sample analysis component 5 is composed of a base plate 501, a support plate 502 and a sample analyzer body 503. The top of the base plate 501 near the front is fixedly connected to the bottom of the support plate 502, and the top of the support plate 502 is fixedly connected to the bottom of the sample analyzer body 503. The top of the base plate 501 near the back is fixedly connected to the bottom of the first guide rail 101 and the second guide rail 102 respectively. When the protrusion 404 moves along the second slide groove 107, it drives the sample rack 201 and the slider 202 to move along the direction of the fourth slide groove 110 to the bottom of the sample analyzer body 503. The multiple guides and supports ensure the stability and reliability of the sample rack 201 during movement, effectively preventing the sample rack 201 from deflecting or overturning during movement. By moving in both directions, first horizontally and then vertically, the sample injection mechanism can complete the injection in a smaller plane space, avoiding the space waste that may be caused by the traditional long strip design, so that the device can be conveniently used in a limited space.

[0029] The usage and advantages of the utility model: When the sample feeding mechanism of the sample analyzer is working, the working process is as follows:

[0030] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 As shown, after the sample rack 201 is inserted into the accommodating chamber 103 from the insertion slot 104, the slider 202 enters the first slide slot 105, and the first motor 302 drives the transmission rod 303 to rotate to form a circular motion of the conveyor belt 304. The conveyor belt 304 drives the sample rack 201 to move along the first slide slot 105 in the accommodating chamber 103. After moving a certain distance, the slider 202 enters the third slide slot 109 from the first slide slot 105. At the same time, the groove 203 at the bottom of the sample rack 201 moves to the top of the protrusion 404 and contacts it. The screw 403 is driven by the second motor 402 to rotate. The rotation causes the protrusion 404 to move along the second slide groove 107, thereby driving the sample rack 201 and the slider 202 to move along the direction of the fourth slide groove 110 to the bottom of the sample analyzer body 503. The multiple guides and supports ensure the stability and reliability of the sample rack 201 during the movement, effectively preventing the sample rack 201 from deflecting or overturning during the movement. By moving in both directions, first horizontally and then vertically, the sample injection mechanism can complete the injection in a smaller plane space, avoiding the space waste that may be caused by the traditional long strip design, so that the equipment can be conveniently used in a limited space.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Persons skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A sample feeding mechanism of a sample analyzer, comprising a guide member (1), characterized in that: The inner wall of the guide member (1) is slidably connected to the outer wall of the sample member (2), the bottom of the sample member (2) is transmission-connected to the top of the first driving member (3), and the guide member (1) is composed of a first guide rail (101), a second guide rail (102), a receiving cavity (103), an insertion groove (104), a first sliding groove (105), a first rotating hole (106), a second sliding groove (107), a second rotating hole (108), a third sliding groove (109) and a fourth sliding groove (110); The front surface of the first driving member (3) is fixedly connected to the back surface of the guide member (1), the inner wall of the guide member (1) is slidably connected to the outer wall of the second driving member (4) near the bottom, and the bottom of the guide member (1) is fixedly connected to the top of the sample analysis member (5) near the back surface.

2. The sample injection mechanism of the sample analyzer according to claim 1, characterized in that: The right side of the first guide rail (101) is fixedly connected to the left side of the second guide rail (102), and an accommodating cavity (103) is provided inside the first guide rail (101), an insertion groove (104) is provided on the top of the first guide rail (101), and a first slide groove (105) is provided on the front and back of the accommodating cavity (103), a first rotation hole (106) is provided on the front and back of the first guide rail (101), and a second slide groove (107) is provided on the inner bottom wall of the second guide rail (102), a second rotation hole (108) is provided on the front and back of the second slide groove (107), and a third slide groove (109) is provided on the inner side wall of the second guide rail (102) close to the back, and fourth slide grooves (110) are provided on the inner side walls on both sides of the second guide rail (102).

3. The sample injection mechanism of the sample analyzer according to claim 2, characterized in that: The sample member (2) comprises a sample rack (201), a slider (202) and a groove (203); sliders (202) are provided on both sides of the sample rack (201), and a groove (203) is provided at the bottom of the sample rack (201); the outer wall of the sample rack (201) is slidably connected to the inner wall of the accommodating cavity (103), and the outer wall of the slider (202) is slidably connected to the inner wall of the first sliding groove (105).

4. The sample injection mechanism of the sample analyzer according to claim 3, characterized in that: The first driving member (3) is composed of a first mounting plate (301), a first motor (302), two transmission rods (303) and a conveyor belt (304), the outer wall of the first mounting plate (301) is fixedly connected to the outer wall of the first motor (302) by bolts, and the output end of the first motor (302) is fixedly connected to one end of one of the transmission rods (303) by a coupling, the two transmission rods (303) are respectively connected to the inner walls on both sides of the conveyor belt (304), and the outer walls at both ends of the two transmission rods (303) are rotatably connected to the inner wall of the first rotating hole (106), the front side of the first mounting plate (301) is fixedly connected to the back side of the first guide rail (101), and the top of the conveyor belt (304) is connected to the bottom of the sample rack (201).

5. The sample injection mechanism of the sample analyzer according to claim 2, characterized in that: The second driving member (4) includes a second mounting plate (401), a second motor (402), a screw (403) and a protrusion (404); the outer wall of the second mounting plate (401) is fixedly connected to the outer wall of the second motor (402) by a bolt, and the output end of the second motor (402) is fixedly connected to one end of the screw (403) by a coupling; the outer wall of the screw (403) away from the two ends is threadedly connected to the inner wall of the protrusion (404); the front of the second mounting plate (401) is fixedly connected to the back of the second guide rail (102); the outer walls of the two ends of the screw (403) are rotatably connected to the inner wall of the second rotating hole (108), and the outer wall of the protrusion (404) near the bottom is slidably connected to the inner wall of the second sliding groove (107).

6. The sample injection mechanism of the sample analyzer according to claim 2, characterized in that: The sample analysis component (5) is composed of a base plate (501), a support plate (502) and a sample analyzer body (503). The top of the base plate (501) near the front is fixedly connected to the bottom of the support plate (502), and the top of the support plate (502) is fixedly connected to the bottom of the sample analyzer body (503). The top of the base plate (501) near the back is fixedly connected to the bottom of the first guide rail (101) and the bottom of the second guide rail (102).

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