Sample injection assembling mechanism

Abstract

The utility model provides a sample injection assembly mechanism which comprises an upper plate body, a lower plate body and a sample frame, and a guide mechanism for guiding the sample frame is arranged on the upper plate body; a guide rail is arranged on the lower plate body, a sliding block is connected to the guide rail in a sliding mode, and a driving device used for driving the sliding block to move along the guide rail is arranged on the lower plate body. A push piece fixing rod and a spring fixing rod are arranged on the sliding block, a push piece is rotationally connected to the push piece fixing rod, and a spring is arranged between the push piece and the spring fixing rod; and a pushing surface and an inclined surface are arranged on the pushing sheet. When the sample rack is used, in the process of detecting a previous batch of samples, an operator can place a sample rack filled with a next batch of samples on the upper plate body, and after the sample rack is placed, the operator can leave and carry out other work without waiting for the completion of the detection of the previous batch of samples, so that the waiting time of the operator is saved, and the working efficiency is improved. Therefore, the operator can use the saved waiting time to carry out other work, and the working efficiency of the operator is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical detection technical field, especially a kind of sample introduction assembly mechanism. BACKGROUND

[0002] Sample introduction assembly mechanism is an important component in laboratory analytical instrument, and its main function is to accurately and quickly introduce the sample to be tested into the analytical instrument for subsequent analysis and detection.

[0003] The existing sample introduction assembly mechanism usually includes driving device, sample holder, the sample holder is connected with the driving device, and the sample holder is driven to move between detection position and feeding position by driving mechanism, when the sample holder moves to the feeding position, the operator places the sample to be detected on the sample holder, after feeding is completed, the sample holder is pushed to the detection position by the driving mechanism, and the sample is analyzed and detected by detection instrument.

[0004] However, the existing sample introduction assembly mechanism has the following problems: when the next batch of sample detection is carried out, only after the previous batch of sample detection is completed and the sample holder moves to the feeding position, the operator needs to take the sample detected by the previous batch from the sample holder and place the next batch of sample on the sample holder, so as to carry out the detection of the next batch of sample; in this process, the operator needs to wait until the previous batch of sample detection is completed before carrying out the next operation, and the operator usually needs to wait for a certain period of time, which causes the operator to spend a lot of waiting time and reduces the work efficiency of the operator. SUMMARY

[0005] The utility model aims at solving the deficiency in prior art, and provides a kind of sample introduction assembly mechanism.

[0006] The utility model aims at solving the deficiency in prior art, and provides a kind of sample introduction assembly mechanism.

[0007] As preferred, the sliding block is provided with a limiting block for limiting the push piece.

[0008] Preferably, the guiding mechanism comprises guiding strips arranged on both sides of the upper plate body, and the bottom of both sides of the sample rack is provided with guiding bosses matched with the guiding strips.

[0009] Preferably, the cross section of the guiding strip is in the shape of "L".

[0010] Preferably, the driving device comprises a motor and a pulley seat, the motor and the pulley seat are fixedly arranged on the lower plate body, a first pulley is connected to the output shaft of the motor, a second pulley is rotatably connected to the pulley seat, a transmission belt is connected between the first pulley and the second pulley, and the transmission belt is connected with the sliding block.

[0011] Preferably, the sample rack is provided with a plug hole.

[0012] Preferably, the upper plate body and the lower plate body are connected through a supporting column.

[0013] The beneficial effects of the utility model are: in the process of detecting the last batch of samples, the operator can place the sample rack containing the next batch of samples on the upper plate body at any time, after the placement is completed, the operator can leave and perform other work without waiting for the detection of the last batch of samples to be completed, when the detection of the last batch of samples is completed, the push piece can push the next batch of samples into the detection position for detection, thus the waiting time of the operator is saved, the operator can perform other work by using the saved waiting time, and the work efficiency of the operator is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model discloses a structure schematic view.

[0015] In the drawing: 1, upper plate body, 2, lower plate body, 3, supporting column, 4, sample rack, 4a, plug hole, 5, guiding strip, 6, guide rail, 7, sliding block, 8, motor, 9, first pulley, 10, pulley seat, 11, second pulley, 12, push piece fixing rod, 13, push piece, 13a, push face, 13b, inclined plane, 14, spring fixing rod, 15, spring, 16, limit block, 17, transmission belt. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art belong to the protection scope of the utility model.

[0017] As Figure 1As shown, a sample injection assembly includes an upper plate body 1, a lower plate body 2, a sample holder 4, the upper plate body 1 and the lower plate body 2 are connected through a support column 3, the upper plate body 1 is provided with a guide mechanism for guiding the sample holder 4; the lower plate body 2 is provided with a guide rail 6, the guide rail 6 is slidably connected with a sliding block 7, the lower plate body 2 is provided with a driving device for driving the sliding block 7 to move along the guide rail 6; the sliding block 7 is provided with a push piece fixing rod 12 and a spring fixing rod 14, the push piece fixing rod 12 is rotatably connected with a push piece 13, the push piece 13 and the spring fixing rod 14 are provided with a spring 15; the push piece 13 is provided with a pushing surface 13a and an inclined surface 13b; when the push piece 13 pushes the sample holder 4 to a detection position, the pushing surface 13a on the push piece 13 is in contact with the sample holder 4 and the push piece 13 moves towards the detection position; when the push piece 13 is located on one side of the sample holder 4 close to the detection position and the push piece 13 moves away from the detection position, the push piece 13 is in contact with the sample holder 4 through the inclined surface 13b and passes through the position where the sample holder 4 is located.

[0018] The utility model discloses a sample frame 4 is an independent component, can be taken off from the upper plate body 1. The one end of upper plate body 1 is detection position, the other end is loading position, the utility model discloses when using, the sample frame 4 of being equipped with detection sample is placed on the upper plate body 1, the sample frame 4 is placed to the loading position at the upper plate body 1, and the sample frame 4 is pushed a certain distance to the direction of detection position, the sample frame 4 is guided and is restrained through the guiding mechanism, and the sample frame 4 moves along the direction of detection position, the push piece 13 moves to the direction of loading position, in this process, the push piece 13 will pass through the sample frame 4 and reach the side of sample frame 4 far from the detection position, on the moving direction, the slope 13b on the push piece 13 contacts with the sample frame 4, under the action of slope 13b, the push piece 13 will open to both sides when contacting with the sample frame 4, the push piece 13 generates smaller thrust to the sample frame 4 when passing through the sample frame 4, and because there is certain friction between the sample frame 4 and the upper plate body 1, guiding mechanism, the thrust is insufficient to overcome the friction between the sample frame 4 and the upper plate body 1, guiding mechanism and moves, so the push piece 13 moves to the direction of loading position and passes through the sample frame 4, and the sample frame 4 keeps still, the drive device drives the push piece 13 to move to the direction of detection position in the subsequent, the push surface 13a on the push piece 13 pushes the side of sample frame 4 and moves the sample frame 4 to the direction of detection position in the moving process, until the sample frame 4 is pushed to the detection position, and the sample is detected through detection instrument, in the detection process, the operator can prepare the next batch of sample to be detected, places the next batch of sample to be detected on a new sample frame 4, then the sample frame 4 equipped with the next batch of sample is placed on the upper plate body 1 in the same way, after placing, the operator can carry out other work, and it is not necessary to wait for the sample detection of the previous batch to be completed, when the sample detection of the previous batch is completed, the push plate pushes the sample frame 4 of detection completion out of the detection position, and then the push plate pushes the sample frame 4 equipped with the next batch of sample to the detection position in the same way and carries out detection.

[0019] In actual process, in order to further avoid the situation that the sample frame 4 moves when the push piece 13 moves to the direction of loading position and passes through the sample frame 4, the blocking piece is arranged on the side of sample frame 4 close to the loading position, and the blocking piece limits and blocks one side of the push piece 13, so that the push piece 13 can effectively drive the sample frame 4 to move when moving to the direction of loading position. The blocking piece can be connected with a driving device, such as an electric cylinder, an air cylinder or the like, and the blocking piece is driven to move by the driving device, so that the blocking piece is driven to move away by the driving device when the sample frame 4 is placed on the upper plate body 1, thereby avoiding the blocking piece from hindering the loading process of the sample frame 4, and the blocking piece is driven to move to the side of the sample frame 4 close to the loading position by the driving device when the loading of the sample frame 4 is completed.

[0020] The utility model discloses a sample frame 4 is placed to the upper plate body 1 in time when the operation personnel can place the sample frame 4 that installs next batch sample in the process of detecting last batch sample, after completing the placement, the operation personnel need not wait for last batch sample detection to complete and can leave and carry out other work, after last batch sample detection is completed, the push piece 13 can push next batch sample into the detection position and carry out detection, and this spares the waiting time of operation personnel, so that operation personnel can utilize the saved waiting time and carry out other work, improve the work efficiency of operation personnel.

[0021] The slider 7 is provided with a limiting block 16 for limiting the push piece 13.

[0022] The guiding mechanism comprises guiding strips 5 arranged on both sides of the upper plate body 1, and the bottom of the sample frame 4 is provided with guiding bosses matched with the guiding strips 5.

[0023] In the embodiment, the cross section of the guiding strip 5 is in the shape of "L".

[0024] Specifically, the driving device comprises a motor 8 and a belt wheel seat 10, the motor 8 and the belt wheel seat 10 are fixedly arranged on the lower plate body 2, a first belt wheel 9 is connected to the output shaft of the motor 8, a second belt wheel 11 is rotatably connected to the belt wheel seat 10, a transmission belt 17 is connected between the first belt wheel 9 and the second belt wheel 11, and the transmission belt 17 is connected with the slider 7.

[0025] The sample frame 4 is provided with a plug hole 4a. The plug hole 4a is used for placing the sample to be detected.

[0026] The utility model discloses not limit to the above best implementation, anyone can draw other various forms' products under the inspiration of the utility model, but no matter in its shape or structure makes any change, all have with the same or similar technical scheme of this application, all fall in the protection scope of the utility model.

Claims

1. A sample introduction assembly comprising: The device comprises an upper plate body, a lower plate body and a sample holder, the upper plate body is provided with a guiding mechanism for guiding the sample holder, the lower plate body is provided with a guide rail, a sliding block is slidably connected to the guide rail, the lower plate body is provided with a driving device for driving the sliding block to move along the guide rail, the sliding block is provided with a push piece fixing rod and a spring fixing rod, the push piece fixing rod is rotatably connected with a push piece, and a spring is arranged between the push piece and the spring fixing rod; the push piece is provided with a pushing surface and an inclined surface; When the push piece pushes the sample holder to the detection position, the pushing surface of the push piece is in contact with the sample holder and the push piece moves towards the detection position; when the push piece is located on one side of the sample holder close to the detection position and the push piece moves away from the detection position, the push piece is in contact with the sample holder through the inclined surface and passes through the position of the sample holder.

2. The injection assembly of claim 1, wherein The sliding block is provided with a limiting block for limiting the push piece.

3. The injection assembly of claim 1, wherein, The guiding mechanism comprises guiding strips arranged on both sides of the upper plate body, and the bottom of both sides of the sample holder is provided with guiding bosses matched with the guiding strips.

4. The sample injection assembly of claim 3, wherein, The cross section of the guiding strip is "L" shaped.

5. The injection assembly of claim 1, wherein, The driving device comprises a motor and a belt wheel seat, the motor and the belt wheel seat are fixedly arranged on the lower plate body, a first belt wheel is connected to the output shaft of the motor, a second belt wheel is rotatably connected to the belt wheel seat, a transmission belt is connected between the first belt wheel and the second belt wheel, and the transmission belt is connected with the sliding block.

6. The injection assembly of claim 1, wherein, The sample holder is provided with a socket.

7. The injection assembly of claim 1, wherein, The upper plate body and the lower plate body are connected through a supporting column.

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