CN214122257U - Auxiliary fixing sample linkage mechanism - Google Patents

Abstract

The utility model discloses an auxiliary fixing sample link gear, the sampling arm with slide rail sliding connection, the driving piece with frame fixed connection, just the output of driving piece with sampling arm fixed connection, the sampling needle with sampling arm fixed connection, the guide bar with sampling arm fixed connection, adjust the mounting panel with frame fixed connection, rotatory group move the piece with it rotates to adjust the mounting panel and connects, the guide block with rotatory group move piece fixed connection, the balancing weight with rotatory group move piece fixed connection, and be located rotatory group moves the piece and keeps away from adjust the one end of mounting panel, the location clamp is established and is arranged in the below of balancing weight. In this avoiding the less test tube of external diameter to put into normal test-tube rack, appearing rocking easily, avoid the skew sampling area scope of puncture to avoid leading to the sample test tube that bears to damage, bring inconvenience and risk for operating personnel.

Description

Auxiliary fixing sample linkage mechanism

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to an auxiliary fixation sample link gear.

Background

Blood test instruments are commonly used in medical facilities, such as laboratories and medical institutions. Because the demand of society so to the functional requirement of hematology analyzer more and more high, the classification that detects is also more and more, required test tube kind is also the variation in size, the test tube external diameter that the sample was installed is not of uniform size, put into normal test-tube rack when meetting the less test tube of external diameter, appear rocking easily, there is certain degree of difficulty to the location of puncture sampling, the skew sampling area scope of puncture very easily, just lead to the sample test tube damage that bears easily, sampling needle and relevant mechanism damage, bring inconvenience and risk for operating personnel.

SUMMERY OF THE UTILITY MODEL

For mention the defect among the above-mentioned solution background art, the utility model provides an supplementary fixed sample link gear.

In order to achieve the above object, the utility model discloses an auxiliary fixing sample link gear, including frame, sampling subassembly, rotatory link subassembly and locating clip, the sampling subassembly includes slide rail, sampling arm, driving piece, sampling needle and guide bar, the slide rail with frame fixed connection, the sampling arm with slide rail sliding connection, the driving piece with frame fixed connection, and the output of driving piece with sampling arm fixed connection, the sampling needle with sampling arm fixed connection, the guide bar with sampling arm fixed connection, and lie in one side of sampling needle;

rotatory linkage subassembly is including adjusting the mounting panel, rotatory piece, guide block and the balancing weight of dialling, adjust the mounting panel with frame fixed connection, rotatory the piece of dialling with it rotates to adjust the mounting panel and connects, the guide block with rotatory piece fixed connection of dialling, and be located the below of guide bar, the balancing weight with rotatory piece fixed connection of dialling, and be located rotatory the piece of dialling is kept away from the one end of adjusting the mounting panel, the location clamp is established and is arranged in the below of balancing weight.

The rotary linkage assembly further comprises a tension spring, one end of the tension spring is detachably connected with the adjusting and mounting plate, and the other end of the tension spring is fixedly connected with the rotary shifting block.

The rotary linkage assembly further comprises an elastic sheet, one end of the elastic sheet is fixedly connected with the balancing weight, and the other end of the elastic sheet is fixedly connected with the positioning clamp.

The rotary linkage assembly further comprises a protrusion, and the protrusion is fixedly connected with the guide block and is located at one end, far away from the rotary shifting block, of the guide block.

The rotary linkage assembly further comprises a bearing, and the bearing is arranged between the rotary stirring block and the adjusting mounting plate.

And one end of the positioning clamp, which is far away from the elastic sheet, is provided with an arc-shaped adapting groove.

The beneficial effects of the utility model are embodied in: when puncturing, among the sampling subassembly the sampling arm goes up and down to conduct rotatory linkage subassembly's power drive source works as the sampling arm moves down, and then the guide bar supports and holds the guide block, the production of rotatory stirring piece is rotatory, blocks the test tube with the other end lifting, plays supplementary not equidimension test tube fixed, this moment the sampling needle gets off to puncture the sampling at the puncture scope, after the sampling, the lifting of sampling arm, rotatory linkage subassembly also follows resumes initial position, loosens the test tube. Supplementary fixed sample link gear does not need extra driving source and control source, simple structure, low cost, and the reliable safety of mechanism avoids meetting the less test tube of external diameter and puts into normal test-tube rack, appears rocking easily, reduces the location degree of difficulty to the puncture sampling, avoids the skew sampling region scope of puncture to avoid leading to the sample test tube that bears to damage, prevent that sampling needle and relevant mechanism from damaging, bring inconvenience and risk for operating personnel.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the auxiliary fixing sample linkage mechanism of the present invention.

Fig. 2 is a schematic structural view of the auxiliary fixing sample linkage mechanism of the present invention when supporting the test tube.

Fig. 3 is a schematic structural diagram of the rotary linkage assembly of the present invention.

Fig. 4 is a side view of the rotary linkage assembly of the present invention.

Fig. 5 is a schematic structural view of the rotary linkage assembly of the present invention abutting against the guide rod.

Fig. 6 is an enlarged view of a portion of fig. 5 of the present invention.

Fig. 7 is a schematic structural view of the rotary linkage assembly of the present invention after completely abutting against the guide rod.

Fig. 8 is an enlarged view of a part of the structure of fig. 7 according to the present invention.

1-a rack, 2-a sampling assembly, 21-a slide rail, 22-a sampling arm, 23-a driving piece, 24-a sampling needle, 25-a guide rod, 3-a rotary linkage assembly, 31-an adjusting mounting plate, 32-a rotary toggle block, 33-a guide block, 34-a balancing weight, 35-a tension spring, 36-a spring plate, 37-a bulge, 371-an arc part, 38-a bearing, 39-a guide arc plate, 4-a positioning clamp and 41-an arc adapting groove.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 8, the utility model provides an auxiliary fixing sample linkage mechanism, including frame 1, sampling component 2, rotary linkage component 3 and positioning clamp 4, sampling component 2 includes slide rail 21, sampling arm 22, driving piece 23, sampling needle 24 and guide bar 25, slide rail 21 with frame 1 fixed connection, sampling arm 22 with slide rail 21 sliding connection, driving piece 23 with frame 1 fixed connection, and the output of driving piece 23 with sampling arm 22 fixed connection, sampling needle 24 with sampling arm 22 fixed connection, guide bar 25 with sampling arm 22 fixed connection, and be located one side of sampling needle 24;

rotatory linkage assembly 3 is including adjusting mounting panel 31, rotatory piece 32, guide block 33 and balancing weight 34 of dialling, adjust mounting panel 31 with 1 fixed connection in frame, rotatory piece 32 of dialling with it rotates to adjust mounting panel 31 and connects, guide block 33 with rotatory piece 32 fixed connection of dialling, and lie in the below of guide bar 25, balancing weight 34 with rotatory piece 32 fixed connection of dialling, and lie in rotatory piece 32 of dialling is kept away from adjust mounting panel 31's one end, locating clip 4 set up in balancing weight 34's below.

In this embodiment, the sampling needle 24 is used for sucking a sample placed in a test tube container, the sucked sample is communicated to a corresponding pipeline through a pipeline connected with the sampling needle 24 for analysis, the sampling arm 22 moves up and down in the process that the sampling needle 24 punctures a test tube, and the rhythm of the rotary linkage assembly 3 is synchronous, so that the sampling arm 22 moves up and down as a power driving unit of a rotary linkage system, one guide rod 25 is fixed on the sampling arm 22, and the sampling arm 22 moves up and down along with the up and down movement of the sampling arm 22.

When the test tube rack drives the test tube to move to the puncture sampling position, the sampling assembly 2 receives a puncture sampling command sent by an instrument analysis system, the sampling system runs downwards under the action of a driving unit, namely the driving piece 23 supports against and contracts the sampling arm 22 to move downwards along the slide rail 21, the sampling arm 22 descends, the sampling needle 24 fixed with the sampling arm 22 and the guide rod 25 connected with the sampling needle 24 synchronously run downwards, the needle point of the sampling needle 24 is 6-8 mm away from the end face of the test tube cap (not penetrating the test tube cap), the guide rod 25 touches the rotary shifting block 32, an acting force is generated on the rotary linkage assembly 3, the rotary shifting block 32 rotates to drive the positioning clamp 4 installed at the bottom position to rotate correspondingly, and the positioning clamp 4 moves forwards while lifting upwards according to a rotating arc line, (by adjusting the mounting plate 31 as described earlier, the positioning clamp 4 is groove-adjusted to just face the test tube centerline)

When the sampling arm 22 continues to descend, and the tip of the sampling needle 24 is 4 mm-6 mm away from the end face of the test tube cap, the guide rod 25 also descends, the rotary linkage component 3 drives the positioning clamp 4 to continue to move forwards along an arc line, at the moment, the positioning clamp 4 touches the outer wall of the test tube, a transverse external force is applied to prop against the test tube, so that the test tube is stuck to the edge of the test tube frame, the auxiliary test tube does not shake, at the moment, the sampling arm 22 continues to descend, the guide rod 25 descends, the rotary poking block 32 does not change, the rotary linkage mechanism ensures the existing posture and does not rotate forwards any more, the positioning clamp 4 also keeps the existing posture, the test tube is kept in a compression state, at the moment, the needle tip of the sampling needle 24 is less than 4mm away from the test tube cap, the test tube position is kept in the auxiliary compression state and basically stable and cannot shake, and the needle position of the sampling needle 24 basically falls within the test tube puncture range, this stabilizes the sample taken safely into the test tube.

Sampling needle 24 accomplishes puncture sampling back, and sampling system receives instrument analytic system's needle withdrawal order, driving piece 23 drives sampling arm 22 is followed slide rail 21 rebound, sampling arm 22 lifting, sampling needle 24 with guide bar 25 also follows the lifting, 24 needle points of sampling needle drop test-tube cap terminal surface 6mm-8mm back, guide bar 25 the guide block 33 phase separation relies on the gravity of balancing weight 34 makes rotatory group 32 resets rapidly, resumes vertical state, this moment the extrusion to the test tube is also loosened to fixation clamp 4, and the test-tube rack can continue to move forward, drives next test tube to puncture sampling position, carries out next lower needle sampling, and fixed test tube, puncture carries the needle, loosens fixation clamp 4 to this analogizes.

Supplementary fixed sample link gear does not need extra driving source and control source, simple structure, low cost, and the reliable safety of mechanism avoids meetting the less test tube of external diameter and puts into normal test-tube rack, appears rocking easily, reduces the location degree of difficulty to the puncture sampling, avoids the skew sampling region scope of puncture to avoid leading to the sample test tube that bears to damage, prevents that sampling needle 24 and relevant mechanism from damaging, brings inconvenience and risk for operating personnel.

Further, rotatory linkage assembly 3 still includes extension spring 35, the one end of extension spring 35 with adjust the mounting panel 31 and can dismantle the connection, the other end of extension spring 35 with rotatory block 32 fixed connection that dials.

In this embodiment, the arrangement of the tension spring 35 can make the sampling needle 24 complete the puncture sampling, the sampling system receives the needle retracting command of the instrument analysis system, the driving member 23 drives the sampling arm 22 to move upwards along the slide rail 21, the sampling arm 22 is lifted, the sampling needle 24 and the guide rod 25 are also lifted correspondingly, after the needle point of the sampling needle 24 falls off the end face of the test tube cap by 6mm to 8mm, the guide rod 25 is separated from the guide block 33, and can be reset by the self weight of the counterweight block 34 under the condition of not being interfered by external force, in the actual processing and assembly, certain friction resistance cannot be avoided at the rotating position and the installation position, so that the tension spring 35 is also added, so that the resetting is quicker, the instrument can still keep the initial state after being slightly shaken, and the reliability of the mechanism is increased, the counter weight block 34 and the tension spring 35 are matched together by self restoring force, so that the rotary toggle block 32 is rapidly reset and is restored to a vertical state.

Further, the rotary linkage assembly 3 further includes an elastic sheet 36, one end of the elastic sheet 36 is fixedly connected with the weight block 34, and the other end of the elastic sheet 36 is fixedly connected with the positioning clamp 4.

In this embodiment, shell fragment 36 plays the test tube effect of protection test tube and the different pipe diameter sizes of self-adaptation, in adjusting, for adapting to little external diameter test tube, the height of rotatory lifting needs to be higher, when placing the test tube pipe diameter great, excessively extrudees test tube glass probably appears, the joining of shell fragment 36 makes it slow down excessively extruded pressure, at the less test tube of pipe diameter, also can play the effect of certain compressing tightly.

Further, the rotary linkage assembly 3 further includes a protrusion 37, and the protrusion 37 is fixedly connected to the guide block 33 and located at an end of the guide block 33 far away from the rotary dial block 32.

In this embodiment, the protrusion 37 is provided to enable the guide rod 25 to slide into and abut against the guide block 33 more smoothly when moving downward.

Further, the rotary linkage assembly 3 further comprises a bearing 38, and the bearing 38 is disposed between the rotary dial block 32 and the adjusting mounting plate 31.

In the present embodiment, the bearing 38 is provided to make the rotation of the rotary dial block 32 on the adjustment mounting plate 31 smoother.

Further, an end of the positioning clip 4 away from the elastic sheet 36 is provided with an arc-shaped adapting groove 41.

In this embodiment, the setting of arc adaptation groove 41 can make the pipe wall adaptation of fixation clamp 4 and test tube is more, and the laminating is inseparabler, carries out better centre gripping to the test tube.

Further, the rotating linkage assembly 3 further comprises a guiding arc-shaped plate 39, and the guiding arc-shaped plate 39 is fixedly connected with the guiding block 33 and is located at one end, far away from the rotating shifting block 32, of the guiding block 33.

In this embodiment, the guiding arc 39 is arranged so that the guiding block 33 is designed with a special guiding arc 39 corresponding to the arc of the bottom end of the guiding rod 25 fixed on the sampling arm 22.

Further, an arc portion 371 is disposed on the protrusion 37.

In the present embodiment, the provision of the arc portion 371 makes the contact between the guide rod 25 and the projection 37 smoother.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims (6)

1. An auxiliary fixing sample linkage mechanism is characterized in that,

the sampling device comprises a rack, a sampling assembly, a rotary linkage assembly and a positioning clamp, wherein the sampling assembly comprises a slide rail, a sampling arm, a driving piece, a sampling needle and a guide rod;

rotatory linkage subassembly is including adjusting the mounting panel, rotatory piece, guide block and the balancing weight of dialling, adjust the mounting panel with frame fixed connection, rotatory the piece of dialling with it rotates to adjust the mounting panel and connects, the guide block with rotatory piece fixed connection of dialling, and be located the below of guide bar, the balancing weight with rotatory piece fixed connection of dialling, and be located rotatory the piece of dialling is kept away from the one end of adjusting the mounting panel, the location clamp is established and is arranged in the below of balancing weight.

2. The sample assist linkage of claim 1,

the rotary linkage assembly further comprises a tension spring, one end of the tension spring is detachably connected with the adjusting and mounting plate, and the other end of the tension spring is fixedly connected with the rotary shifting block.

3. The sample assist linkage of claim 1,

the rotary linkage assembly further comprises an elastic sheet, one end of the elastic sheet is fixedly connected with the balancing weight, and the other end of the elastic sheet is fixedly connected with the positioning clamp.

4. The sample assist linkage of claim 1,

the rotary linkage assembly further comprises a protrusion, and the protrusion is fixedly connected with the guide block and is located at one end, far away from the rotary shifting block, of the guide block.

5. The sample assist linkage of claim 1,

the rotary linkage assembly further comprises a bearing, and the bearing is arranged between the rotary shifting block and the adjusting mounting plate.

6. The sample assist linkage of claim 3,

and one end of the positioning clamp, which is far away from the elastic sheet, is provided with an arc-shaped adaptive groove.

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