CN214538698U

CN214538698U - Sampling needle anti-collision device of biochemical analyzer

Info

Publication number: CN214538698U
Application number: CN202120625643.0U
Authority: CN
Inventors: 刘文娜; 王宇婷; 张晓苹
Original assignee: Qingdao Wanming Saibo Pharmaceutical Co ltd
Current assignee: Qingdao Wanming Saibo Pharmaceutical Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-29
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a sampling needle anti-collision device of a biochemical analyzer, which comprises a rack, wherein an axle seat is fixedly arranged at the inner end of the rack, a rotating plate is movably sleeved on the outer surface of the axle seat, circular grooves distributed in an array are formed in the rotating plate, a telescopic plate is movably inserted in the rotating plate, a first spring is fixedly arranged in the telescopic plate, the whole device is moved by adjusting the rotating plate and the telescopic plate, and is fixed, so that a subsequent sample tube can be accurately used for sampling; through being connected of external spring and the lantern ring, use with the interference fit of appearance pipe to the needle cap, effectually cushion the appearance needle tubing, and the bearing ball of effect bottom of the case portion can carry out the secondary to the appearance needle tubing and cushion, has protected the use of appearance needle tubing, adjusts the axis of rotation and makes the needle cap fine setting downwards, can effectually change the appearance needle tubing, protects when the rubber block that sets up on the protection frame can remove the appearance needle tubing.

Description

Sampling needle anti-collision device of biochemical analyzer

Technical Field

The utility model relates to a biochemical analysis appearance technical field specifically is a biochemical analysis appearance sample needle buffer stop.

Background

Biochemical analyzers, also commonly referred to as biochemics, are instruments that use the principle of optoelectric colorimetry to measure a particular chemical component in a body fluid. Because of its fast measuring speed, high accuracy and small reagent consumption, it is widely used in hospitals, epidemic prevention stations and family planning service stations. The efficiency and the benefit of the conventional biochemical test can be greatly improved by matching, part of the operation in the analysis process needs to be completed manually, and the other part of the operation can be completed automatically by an instrument. The instrument has the characteristics of small volume, simple structure and high flexibility, can be separately and independently used, is easily broken when a sample needle tube touches a hard object in the moving process, causes damage, and cannot effectively buffer the sample needle tube.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biochemical analyzer sample needle buffer stop to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sampling needle anti-collision device of a biochemical analyzer comprises a rack, wherein an axle seat is fixedly arranged at the inner end of the rack, a rotating plate is movably sleeved on the outer surface of the axle seat, round grooves distributed in an array are formed in the rotating plate, a telescopic plate is movably inserted in the rotating plate, a first spring is fixedly arranged in the telescopic plate, one end of the first spring is connected with a rotating rod, the rotating rod is movably clamped in the round grooves, a connecting shaft is fixedly arranged at the lower end of the telescopic plate, an action box is riveted to the lower surface of the connecting shaft, a sliding groove is formed in the action box, a sliding rod is clamped in the sliding groove, an external spring is fixedly sleeved on the outer surface of the sliding rod, one end of the external spring is connected with a sleeve ring, a needle cap is fixedly sleeved in the sleeve ring, a sample needle is in interference fit in the needle cap, a latch is welded at one end of the needle tube, a gear is clamped in the latch and is arranged on one end of the gear, a rotating shaft is fixedly arranged on one end of the gear, the rotating shaft is rotatably inserted in the action box.

Preferably, a limiting groove is formed in one side of the inner end of the rotating plate, a fixing block is arranged at one end of the telescopic plate, and the fixing block is clamped in the limiting groove to slide.

Preferably, the shaft seat is internally provided with jacks distributed in an array manner, the upper surface of the rotating plate is provided with a fixed plate, a threaded rod is inserted into the fixed plate, and the threaded rod is movably inserted into the jacks.

Preferably, a bearing ball is inserted into the inner side of the lower end of the action box and can be movably attached to the outer surface of the sample needle tube.

Preferably, the fixed protection frame that is equipped with of effect case one end, the protection frame internal fixation is equipped with the second spring, second spring one end is connected with the dog, the laminating of dog one side is equipped with the block rubber.

Preferably, the outer surface of the action box is provided with a microswitch.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the whole device is moved by adjusting the rotating plate and the telescopic plate, and is fixed, so that the subsequent sample tube can be accurately used for sampling;

2. through being connected of external spring and the lantern ring, use with the interference fit of appearance pipe to the needle cap, effectually cushion the appearance needle tubing, and the bearing ball of effect bottom of the case portion can carry out the secondary to the appearance needle tubing and cushion, has protected the use of appearance needle tubing, adjusts the axis of rotation and makes the needle cap fine setting downwards, can effectually change the appearance needle tubing, protects when the rubber block that sets up on the protection frame can remove the appearance needle tubing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the structure of the present invention showing the rotating plate and the retractable plate;

FIG. 3 is a schematic view of the structure of the present invention showing a partially cut-away portion of the box;

FIG. 4 is a schematic sectional view of the structure protection frame of the present invention;

FIG. 5 is a schematic view of the bottom of the structural box of the present invention;

in the figure: 1. a rack; 11. a shaft seat; 12. rotating the plate; 13. a jack; 14. a fixing plate; 15. a threaded rod; 16. a circular groove; 2. a retractable plate; 21. a rotating rod; 22. a first spring; 23. a fixed block; 24. a limiting groove; 25. a connecting shaft; 3. an action box; 31. a chute; 311. a bearing ball; 312. a microswitch; 32. a spring is externally connected; 33. a rotating shaft; 34. a sample needle tube; 35. a gear; 36. clamping teeth; 37. a slide bar; 38. a collar; 39. a needle cap; 4. a protective frame; 41. a stopper; 42. a rubber block; 43. a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a sampling needle anti-collision device of a biochemical analyzer comprises a rack 1, wherein an axle seat 11 is fixedly arranged at the inner end of the rack 1, a rotating plate 12 is movably sleeved on the outer surface of the axle seat 11, the rotating plate 12 can rotate along the outer surface of the axle seat 11, circular grooves 16 distributed in an array are formed in the rotating plate 12, a telescopic plate 2 is movably inserted in the rotating plate 12, a first spring 22 is fixedly arranged in the telescopic plate 2, one end of the first spring 22 is connected with a rotating rod 21, the rotating rod 21 is movably clamped in the circular grooves 16, the rotating rod 21 can movably penetrate and be inserted in the circular grooves 16 under the action of the first spring 22, the length of the telescopic plate 2 and the length of the rotating plate 12 are fixed, a connecting shaft 25 is fixedly arranged at the lower end of the telescopic plate 2, an action box 3 is riveted to the lower surface of the connecting shaft 25, a sliding chute 31 is formed in the action box 3, a sliding rod 37 is clamped in the sliding chute 31, an external spring 32 is fixedly arranged on the outer surface of the sliding rod 37, external spring 32 one end is connected with the lantern ring 38, fixed cover is equipped with needle cap 39 in the lantern ring 38, needle cap 39 endotheca is equipped with appearance needle tubing 34, and lantern ring 38 makes slide bar 37 remove in spout 31 in the effect of external spring 32, makes appearance needle tubing 34 and needle cap 39 play the buffering effect when the combined action, prevents the damage of appearance needle tubing 34, the interference fit of appearance needle tubing 34 and needle cap 39, the riveting of being convenient for to

appearance needle tubing

34, 38 one end welding of lantern ring has latch 36, the card is equipped with gear 35 in the latch 36, the fixed axis of rotation 33 that is equipped with of gear 35 one end, axis of rotation 33 rotates and inserts in the effect case 3, adjusts axis of rotation 33 and drives gear 35 and rotate, makes gear 35 block in latch 36, drives lantern ring 38 and moves down, is favorable to the dismantlement and the change of appearance needle tubing 34.

As an embodiment of the utility model, the spacing groove 24 has been seted up to commentaries on classics board 12 inner one side, 2 one ends of expansion plate are equipped with fixed block 23, fixed block 23 blocks and establishes and slide in spacing groove 24, and fixed block 23 removes along spacing groove 24, prevents that expansion plate 2 from droing out in the commentaries on classics board 12.

As an embodiment of the utility model, the jack 13 of array distribution has been seted up in the axle bed 11, it is equipped with fixed plate 14 to change 12 upper surfaces of board, threaded rod 15 is equipped with in the interpolation of fixed plate 14, threaded rod 15 activity is inserted and is established in jack 13, when changeing board 12 and rotate, inserts jack 13 with the 15 activities of threaded rod in the fixed plate 14 in, and fixed whole commentaries on classics board 12 is unmovable.

As an embodiment of the present invention, the bearing ball 311 is inserted into the lower end inner side of the action box 3, the bearing ball 311 can be movably attached to the outer surface of the sample needle tube 34, and the setting of the bearing ball 311 enables the sample needle tube 34 to move, so that the secondary buffer effect can be exerted on the sample needle tube 34.

As an embodiment of the utility model, the fixed protection frame 4 that is equipped with of 3 one ends of effect case, the protection frame 4 internal fixation is equipped with second spring 43, second spring 43 one end is connected with dog 41, dog 41 one side laminating is equipped with rubber block 42, and rubber block 42 has elasticity, with the common effectual crashproof ability of playing of second spring 43, protects clashing that whole device received at the removal in-process.

As an embodiment of the utility model, 3 surfaces of effect case are equipped with micro-gap switch 312, and micro-gap switch 312 is connected with appearance needle tubing 34 top, and micro-gap switch 312 stops whole device motion, and effectual protection appearance needle tubing 34 uses.

The working principle is as follows: firstly, the rotary plate 12 and the expansion plate 2 are adjusted according to the sampling size, when the sample needle tube 34 moves downwards to collide with an object, the sample needle tube is firstly buffered by the bearing ball 311 at the bottom of the action box 3, then the sample needle tube is extruded by the external spring 32 connected with the two sides of the lantern ring 38 and moves upwards along the sliding groove 31, the force generated by collision is eliminated, so that the sample needle tube 34 is protected, the rubber blocks 42 at the two ends of the action box 3 can effectively prevent the collision of the whole device when the whole device rotates, and when the sample needle tube is not used, the microswitch 312 is extruded to stop the movement of the whole device, so that the sample needle tube 34 can be protected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The anti-collision device for the sampling needle of the biochemical analyzer comprises a rack (1) and is characterized in that an axle seat (11) is fixedly arranged at the inner end of the rack (1), a rotating plate (12) is movably sleeved on the outer surface of the axle seat (11), round grooves (16) distributed in an array are formed in the rotating plate (12), a telescopic plate (2) is movably inserted in the rotating plate (12), a first spring (22) is fixedly arranged in the telescopic plate (2), one end of the first spring (22) is connected with a rotating rod (21), the rotating rod (21) is movably clamped in the round grooves (16), a connecting shaft (25) is fixedly arranged at the lower end of the telescopic plate (2), an action box (3) is riveted to the lower surface of the connecting shaft (25), a sliding groove (31) is formed in the action box (3), a sliding rod (37) is clamped in the sliding groove (31), an external spring (32) is fixedly arranged on the outer surface of the sliding rod (37), external spring (32) one end is connected with the lantern ring (38), fixed cover is equipped with needle cap (39) in the lantern ring (38), interference fit has appearance needle tubing (34) in needle cap (39), the welding of lantern ring (38) one end has latch (36), the block is equipped with gear (35) in latch (36), gear (35) one end is fixed and is equipped with axis of rotation (33), axis of rotation (33) are rotated and are inserted and establish in effect case (3).

2. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 1, wherein: limiting grooves (24) are formed in one side of the inner end of the rotating plate (12), fixing blocks (23) are arranged at one ends of the telescopic plates (2), and the fixing blocks (23) are clamped in the limiting grooves (24) to slide.

3. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 1, wherein: the rotary plate is characterized in that jacks (13) distributed in an array manner are formed in the shaft seat (11), a fixing plate (14) is arranged on the upper surface of the rotary plate (12), a threaded rod (15) is inserted into the fixing plate (14), and the threaded rod (15) is movably inserted into the jacks (13).

4. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 1, wherein: and a bearing ball (311) is inserted into the inner side of the lower end of the action box (3), and the bearing ball (311) can be movably attached to the outer surface of the sample needle tube (34).

5. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 1, wherein: action case (3) one end is fixed and is equipped with protection frame (4), protection frame (4) internal fixation is equipped with second spring (43), second spring (43) one end is connected with dog (41), dog (41) one side laminating is equipped with rubber block (42).

6. The anti-collision device for the sampling needle of the biochemical analyzer according to claim 1, wherein: the outer surface of the action box (3) is provided with a microswitch (312).