CN213348934U - Needle head moving double-cantilever device - Google Patents
Needle head moving double-cantilever device Download PDFInfo
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- CN213348934U CN213348934U CN202021695612.4U CN202021695612U CN213348934U CN 213348934 U CN213348934 U CN 213348934U CN 202021695612 U CN202021695612 U CN 202021695612U CN 213348934 U CN213348934 U CN 213348934U
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- cantilever
- transmission rod
- needle
- drive
- moving double
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Abstract
The utility model relates to the technical field of medical equipment, concretely relates to syringe needle removes two cantilever devices, including mount pad, first transfer line, second transfer line, first cantilever, second cantilever, imbibition needle, drive belt, first power spare and second power spare. The first transmission rod and the second transmission rod are respectively installed on the installation seat. One end of the first cantilever is connected with the first transmission rod. One end of the second cantilever is provided with a rotating shaft, and the rotating shaft is rotatably arranged at the other end of the first cantilever. The liquid suction needle is arranged on the second cantilever. The first power part and the second power part are respectively arranged on the mounting seat. The first power part is configured to drive the first transmission rod to rotate, and further drive the first cantilever to rotate around the mounting seat. The second power part is configured to drive the second transmission rod to rotate, and then the second cantilever is driven to rotate around the rotating shaft through the transmission belt. The utility model discloses a home range of imbibition needle is bigger to can reduce the requirement to sample dish and detect reagent dish position.
Description
Technical Field
The utility model relates to the technical field of medical equipment, concretely relates to syringe needle removes two cantilever devices.
Background
In the medical detection process, the manual sampling is generally performed, then the detection reagent is added into the sample through manual operation so as to perform sample detection, the manual workload is large during the manual detection, the working efficiency is low, and the detection error is large.
In order to reduce errors caused by manual operation and improve detection precision and working efficiency, a needle moving device is provided at present, the needle moving device adopts a single-cantilever structure and comprises two sets of independent mechanisms to respectively complete automatic sampling and automatic liquid transferring work, the moving range of a liquid suction needle of the needle moving device is small, the shape, the structure and the position of a reagent disk are limited, and the needle moving device is complex in structure, large in occupied space and high in cost.
The existing needle head moving device adopts a single cantilever structure, so that the moving range of the liquid suction needle is small.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a syringe needle removes two cantilever devices to solve the current small problem of home range of imbibition needle.
To achieve the purpose, the utility model adopts the following technical proposal:
a needle moving double cantilever apparatus comprising:
a mounting seat;
the first transmission rod and the second transmission rod are respectively arranged on the mounting seat;
one end of the first cantilever is connected with the first transmission rod;
one end of the second cantilever is provided with a rotating shaft, and the rotating shaft is rotatably arranged at the other end of the first cantilever;
the liquid suction needle is arranged at the other end of the second cantilever;
the transmission belt is wound on the second transmission rod and the rotating shaft;
the first power part and the second power part are respectively arranged on the mounting seat; the first power part is configured to drive the first transmission rod to rotate, and further drive the first cantilever to rotate around the mounting seat; the second power part is configured to drive the second transmission rod to rotate, and then the second cantilever is driven to rotate around the rotating shaft through the transmission belt.
Preferably, in the above-described needle moving double cantilever apparatus, the driving belt is wound around the second driving lever and the rotation shaft by two first synchronizing wheels.
Preferably, in the above needle moving double-cantilever device, the second transmission rod is sleeved on the first transmission rod, two ends of the second transmission rod extend out of the first transmission rod, and the transmission belt is wound on the end part of the second transmission rod.
Preferably, in the above-mentioned needle moving double-cantilever device, the needle moving double-cantilever device further comprises a tensioning member, which is mounted to the first cantilever and tensions the driving belt.
Preferably, in the above-mentioned needle moving double-cantilever device, the first cantilever is provided with a strip-shaped hole, and the tensioning member is configured to be slidably mounted in the strip-shaped hole and can be fixed in the strip-shaped hole by a locking member.
Preferably, in the above-mentioned needle moving double-cantilever device, the strip-shaped hole is disposed in the middle of the first cantilever.
Preferably, in the above-mentioned double cantilever device for moving a needle, the first driving rod is provided with a second synchronizing wheel, the second driving rod is provided with a third synchronizing wheel, the second synchronizing wheel and the third synchronizing wheel are distributed in the vertical direction, and the first power member and the second power member respectively drive the driving rod and the second driving rod to rotate through the second synchronizing wheel and the third synchronizing wheel.
Preferably, in the above-mentioned needle moving double-cantilever apparatus, the needle moving double-cantilever apparatus further comprises a base and a vertical driving mechanism configured to drive the mount to move vertically relative to the base.
Preferably, in the above-mentioned needle moving double-cantilever device, the base includes a horizontal base and a vertical base connected to each other, and the mounting base is vertically movably mounted on the vertical base.
Preferably, in the above-described needle head moving double-cantilever apparatus, the vertical driving mechanism includes a lead screw motor mounted on the vertical base and a lead screw-nut mechanism that drives the mounting base.
The utility model discloses a syringe needle removes two cantilever devices's beneficial effect lies in: through setting up two cantilever structures of first cantilever and second cantilever, and first cantilever can center on the mount pad rotates, and the second cantilever can rotate for first cantilever to the messenger is located the aspiration needle on the second cantilever can arrive the optional position in the plane, for current single cantilever structure, the utility model discloses a range of motion of aspiration needle is bigger to can reduce the requirement to sample dish and detect reagent dish position.
Drawings
FIG. 1 is a perspective view of a needle moving double-cantilever apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at I;
FIG. 3 is a side view of a needle moving double cantilever apparatus according to an embodiment of the present invention;
fig. 4 is a top view of a needle moving double cantilever apparatus according to an embodiment of the present invention.
The attached names and reference numbers in the figure are as follows:
the needle head moving double-cantilever device 100, the mounting seat 10, the base 20, the horizontal base 21, the vertical seat 22, the supporting part 221, the first power part 31, the first transmission rod 32, the first cantilever 33, the strip-shaped hole 331, the second synchronous wheel 39, the second power part 41, the second transmission rod 42, the second cantilever 43, the rotating shaft 431, the transmission belt 44, the first synchronous wheel 45, the tensioning part 46, the third synchronous wheel 49, the pipette needle 50, the lead screw motor 71 and the lead screw nut mechanism 72.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element 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. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Fig. 1 is a perspective view of a needle moving double cantilever apparatus 100 according to an embodiment of the present invention. Fig. 2 is an enlarged view of a portion of fig. 1 at I. Fig. 3 is a side view of a needle moving double cantilever apparatus 100 according to an embodiment of the present invention. As shown in fig. 1-3, the present embodiment discloses a needle moving dual cantilever apparatus 100.
The existing needle head moving device adopts a single cantilever structure, the moving range of the liquid suction needle in the horizontal plane is a fixed arc line, and the moving range is small, so that the structures and the positions of a sample plate and a detection reagent plate are limited.
In order to increase the range of motion of the pipette needle 50, the present embodiment adopts the following measures:
the needle moving double cantilever apparatus 100 of the present embodiment comprises a mounting base 10, a first transmission rod 32, a second transmission rod 42, a first cantilever 33, a second cantilever 43, a pipette 50, a transmission belt 44, a first power member 31 and a second power member 41. The first and second transmission levers 32 and 42 are respectively mounted to the mounting base 10. One end of the first cantilever 33 is connected to the first transmission lever 32. One end of the second suspension arm 43 has a rotation shaft 431, and the rotation shaft 431 is rotatably mounted to the other end of the first suspension arm 33. The pipette needle 50 is attached to the other end of the second cantilever 43. The belt 44 is wound around the second driving lever 42 and the rotation shaft 431. The first power member 31 and the second power member 41 are respectively mounted to the mounting base 10. The first power member 31 is configured to drive the first transmission rod 32 to rotate, and further drive the first suspension arm 33 to rotate around the mounting base 10. The second power member 41 is configured to drive the second transmission rod 42 to rotate, and further drive the second suspension arm 43 to rotate around the rotation shaft 431 through the transmission belt 44.
The needle moving double-cantilever device 100 of the embodiment is provided with two cantilever structures of the first cantilever 33 and the second cantilever 43, the first cantilever 33 can rotate around the mounting seat 10, the second cantilever 43 can rotate relative to the first cantilever 33, so that the pipette needle 50 positioned on the second cantilever 43 can reach any position in a plane, compared with the existing single-cantilever structure, the moving range of the pipette needle 50 of the embodiment is larger, and the requirements on the structures and positions of the sample tray and the detection reagent tray can be reduced.
Preferably, the transmission belt 44 is wound around the second transmission rod 42 and the rotation shaft 431 by two first synchronizing wheels 45. Specifically, the second transmission rod 42 rotates to drive the first synchronous wheel 45 connected with the second transmission rod to rotate, and further drives the transmission belt 44. The transmission belt 44 rotates the first synchronizing wheel 45 connected to the rotating shaft 431, and further rotates the rotating shaft 431, so that when the second transmission rod 42 rotates, the second suspension arm 43 rotates relative to the first suspension arm 33.
Preferably, the second transmission rod 42 is sleeved on the first transmission rod 32, and both ends of the second transmission rod extend out of the first transmission rod 32, and the transmission belt 44 is wound around the top end portion of the second transmission rod 42. The second drive link 42 of this embodiment is independently movable from the first drive link 32. The diameter of the second transmission rod 42 of the embodiment is smaller than the inner diameter of the first transmission rod 32, and the second transmission rod 42 is sleeved in the first transmission rod 32, so that the space can be saved.
Preferably, the needle moving double cantilever apparatus 100 further comprises a tension member 46, the tension member 46 is mounted on the first cantilever 33 and tensions the driving belt 44, which is beneficial to save space.
Fig. 4 is a top view of a needle moving double cantilever apparatus 100 according to an embodiment of the present invention. As shown in fig. 4, preferably, the first arm 33 is provided with a strip-shaped hole 331, and the tensioning member 46 is configured to be slidably mounted in the strip-shaped hole 331 and can be fixed to the strip-shaped hole 331 by a locking member. The extending direction of the strip-shaped hole 331 forms an angle with the length direction of the first cantilever 33, so that the tension member 46 can be moved to a proper position as required to adjust the tension of the transmission belt 44.
Preferably, the bottom end of the first transmission rod 32 is provided with the second synchronous wheel 39, the bottom end of the second transmission rod 42 is provided with the third synchronous wheel 49, and the second synchronous wheel 39 and the third synchronous wheel 49 are distributed in the vertical direction, so as to save space. The first power member 31 and the second power member 41 respectively drive the transmission rod 32 and the second transmission rod 42 to rotate through the second synchronizing wheel 39 and the third synchronizing wheel 49.
Preferably, the needle moving double-cantilever apparatus 100 further comprises a base 20 and a vertical driving mechanism configured to drive the mounting base 10 to move vertically relative to the base 20, so that the pipette needle 50 of the present embodiment can reach any position in a three-dimensional space with a large range of motion.
Preferably, the base 20 includes a horizontal base 21 and a vertical seat 22 connected, and the mount 10 is vertically movably mounted on the vertical seat 22. The horizontal base 21 may be fixed to the ground. Specifically, a position sensor may be further installed on the vertical seat 22 to reflect the vertical position of the pipette needle 50.
Preferably, the vertical drive mechanism includes a lead screw motor 71 mounted on the vertical mount 22 and a lead screw-nut mechanism 72, the lead screw-nut mechanism 72 driving the mount 10. Specifically, one end of the vertical seat 22 facing away from the horizontal base 21 has a bearing part 221, and the bearing part 221 bears the lead screw motor 71.
Preferably, a strip-shaped hole 331 is provided at the middle of the first suspension arm 33 to facilitate adjustment of the tension of the driving belt 44.
The needle moving double cantilever apparatus 100 of this embodiment has a mechanism capable of performing both sampling and pipetting. The working process is as follows:
the pipette needle 50 moves over the sample cup, the pipette needle 50 descends to suck a sample, the pipette needle 50 ascends over the sample cup, the pipette needle 50 moves until the sample is released to the reaction cup, the pipette needle 50 moves over the cleaning tank, the pipette needle 50 moves over a detection reagent after the cleaning tank is cleaned, the pipette needle 50 sucks the detection reagent downwards, and the pipette needle 50 moves and releases the detection reagent to the reaction cup. The pipette needle 50 moves to the wash tank for washing. And the whole detection process is completed, and the next detection process is waited to be carried out.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A needle moving double cantilever device, comprising:
a mounting seat (10);
the first transmission rod (32) and the second transmission rod (42) are respectively arranged on the mounting seat (10);
a first cantilever (33) having one end connected to the first transmission lever (32);
a second suspension arm (43) having a rotation shaft (431) at one end thereof, the rotation shaft (431) being rotatably mounted to the other end of the first suspension arm (33);
a liquid suction needle (50) attached to the other end of the second cantilever (43);
a transmission belt (44) wound around the second transmission rod (42) and the rotation shaft (431);
a first power member (31) and a second power member (41) which are respectively mounted on the mounting base (10); the first power member (31) is configured to drive the first transmission rod (32) to rotate, and further drive the first cantilever (33) to rotate around the mounting seat (10); the second power member (41) is configured to drive the second driving rod (42) to rotate, and the second suspension arm (43) is driven to rotate around the rotating shaft (431) through the transmission belt (44).
2. A needle moving double cantilever device according to claim 1, wherein the driving belt (44) is wound around the second driving rod (42) and the rotation shaft (431) by means of two first synchronous wheels (45).
3. A needle moving double cantilever device according to claim 1, wherein the second transmission rod (42) is sleeved on the first transmission rod (32) and both ends of the second transmission rod extend out of the first transmission rod (32), and the transmission belt (44) is wound on the end of the second transmission rod (42).
4. A needle tip moving double cantilever device according to claim 1, further comprising a tensioning member (46), said tensioning member (46) being mounted to said first cantilever (33) and tensioning said drive belt (44).
5. A needle moving double cantilever device according to claim 4, wherein the first cantilever (33) is provided with a strip shaped hole (331), the tensioning member (46) is configured to be slidably mounted in the strip shaped hole (331) and is fixable to the strip shaped hole (331) by means of a locking member.
6. A needle tip moving double cantilever device according to claim 5, wherein the strip shaped hole (331) is provided in the middle of the first cantilever (33).
7. A needle tip moving double cantilever device according to claim 1, wherein the first transmission rod (32) is installed with a second synchronizing wheel (39), the second transmission rod (42) is installed with a third synchronizing wheel (49), the second synchronizing wheel (39) and the third synchronizing wheel (49) are vertically distributed, and the first power member (31) and the second power member (41) drive the transmission rod (32) and the second transmission rod (42) to rotate through the second synchronizing wheel (39) and the third synchronizing wheel (49), respectively.
8. A needle tip moving double cantilever device according to claim 1, further comprising a base (20) and a vertical drive mechanism configured to drive the mount (10) to move vertically relative to the base (20).
9. A needle tip moving double cantilever device according to claim 8, wherein the base (20) comprises a horizontal base (21) and a vertical seat (22) connected, the mounting seat (10) being vertically movably mounted on the vertical seat (22).
10. A needle tip moving double cantilever device according to claim 9, wherein the vertical driving mechanism comprises a lead screw motor (71) mounted on the vertical base (22) and a lead screw-nut mechanism (72), the lead screw-nut mechanism (72) driving the mounting base (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695612.4U CN213348934U (en) | 2020-08-14 | 2020-08-14 | Needle head moving double-cantilever device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695612.4U CN213348934U (en) | 2020-08-14 | 2020-08-14 | Needle head moving double-cantilever device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213348934U true CN213348934U (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021695612.4U Active CN213348934U (en) | 2020-08-14 | 2020-08-14 | Needle head moving double-cantilever device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213348934U (en) |
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- 2020-08-14 CN CN202021695612.4U patent/CN213348934U/en active Active
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