CN219051401U

CN219051401U - Trace sample adding device and gun head storage rack thereof

Info

Publication number: CN219051401U
Application number: CN202223602937.5U
Authority: CN
Inventors: 吴云昭; 陈世闯; 李向广; 蔡克亚
Original assignee: Autobio Labtec Instruments Zhengzhou Co Ltd
Current assignee: Autobio Labtec Instruments Zhengzhou Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-23
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a microscale sample adding device and a gun head storage rack thereof, wherein the gun head storage rack comprises a gun head plate with a plurality of placing holes and a bearing seat with a containing groove, clamping blocks are fixedly arranged on two opposite sides of the containing groove, and the gun head plate is provided with clamping grooves matched with the clamping blocks; each clamping block is provided with an elastic ball head propped against the end part of the gun head plate, and the elastic ball heads of the two clamping blocks respectively elastically prop against the two ends of the gun head plate, so that the two ends of the gun head plate are fixed in the accommodating groove by means of elastic force. When the gun head is replaced, the gun head plate can be conveniently taken down by only one hand due to smaller elastic force of the elastic ball head, so that the gun head is convenient to operate and high in working efficiency.

Description

Trace sample adding device and gun head storage rack thereof

Technical Field

The utility model relates to the technical field of microscale sample adding, in particular to a microscale sample adding device and a gun head storage rack thereof.

Background

In recent years, with the rapid development of molecular biology, microsampling devices are becoming the most commonly used devices in molecular biology and clinical medicine. When the automatic sample feeding device works, firstly, the liquid dispenser is moved to the position above the gun head, and then the liquid dispenser is moved downwards until the liquid dispenser and the gun head are sealed and clamped together, so that the liquid dispenser can conveniently suck reagents for high-precision sample feeding. The pipette belongs to a precise instrument, and care needs to be taken when the pipette is used or stored, so that the gun head is prevented from being damaged, and the gun head is stored in a storage rack with special quality. However, the gun head plate of the existing gun head storage rack is arranged on the bearing seat, one end of the gun head plate is clamped and fixed on the bearing seat, and the other end of the gun head plate is fixed on the bearing seat by means of the elastic force of the elastic piece, so that two hands are required to operate when the gun head plate is replaced, the operation is inconvenient, and the working efficiency is affected.

Disclosure of Invention

Therefore, the utility model aims to provide a micro sample adding device and a gun head storage rack thereof, wherein clamping grooves formed in two ends of a gun head plate are matched with clamping blocks arranged on two opposite sides of a containing groove, each clamping block is provided with an elastic ball head propped against the end part of the gun head plate, so that the gun head plate can be conveniently replaced by one hand, and the working efficiency is higher.

The gun head storage rack of the micro sample adding device comprises a gun head plate with a plurality of placing holes and a bearing seat with a containing groove, wherein clamping blocks are fixedly arranged on two opposite sides of the containing groove, and the gun head plate is provided with clamping grooves matched with the clamping blocks; each clamping block is provided with an elastic ball head which is propped against the end part of the gun head plate.

Preferably, the slot edge of the accommodating slot is fixedly provided with a foolproof column, and the gun head plate is provided with a foolproof notch matched with the foolproof column.

Preferably, the bottom of the accommodating groove is vertically and fixedly provided with at least two supporting columns matched with the placing holes.

Preferably, each clamping block is fixedly provided with a ball plunger with an elastic ball.

Preferably, the device further comprises a bearing plate, wherein the bearing plate is provided with at least one guide sliding rail, and the bottom of the bearing seat is provided with at least one guide sliding groove matched with all the guide sliding rails.

Preferably, the bearing plate is provided with two guide slide rails, the opposite sides of the two guide slide rails are uniformly provided with convex edges, and the opposite sides of the bearing seat are respectively provided with concave grooves matched with the convex edges.

Preferably, the device further comprises a positioning plate vertically fixed on the bearing plate and used for limiting the position of the bearing seat.

Preferably, the method further comprises:

an indicator light;

the position detection piece is arranged on the positioning plate and used for detecting whether the bearing seat is propped against the positioning plate or not;

and the controller is used for controlling the indicator lamp to be lightened when the bearing seat is propped against the locating plate according to signals fed back by the position detection piece.

Preferably, the bearing plate is provided with an elastic locating pin, and the bottom of the bearing seat is provided with a locating groove matched with the elastic locating pin.

The microscale sample loading device provided by the utility model comprises any one of the gun head storage racks.

Compared with the background art, the gun head storage rack of the micro sample adding device comprises a gun head plate and a bearing seat, wherein the gun head plate is provided with a plurality of placing holes, and the bearing seat is provided with a containing groove. The opposite sides of the holding groove are fixedly provided with clamping blocks, the gun head plate is provided with clamping grooves matched with the clamping blocks, each clamping block is provided with an elastic ball head, the elastic balls of the two clamping blocks respectively elastically abut against the two ends of the gun head plate, and the two ends of the gun head plate are fixed in the holding groove by means of elastic force. When the gun head is replaced, the gun head plate can be conveniently taken down by only one hand due to smaller elastic force of the elastic ball head, so that the gun head is convenient to operate and high in working efficiency.

The micro sample adding device provided by the utility model comprises the gun head storage rack and has the same beneficial effects.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is an isometric view of a gun head storage rack of a microscale sample loading device according to an embodiment of the present utility model;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a rear view of FIG. 1;

FIG. 4 is a left side view of FIG. 1;

FIG. 5 is a top view of FIG. 1;

FIG. 6 is an exploded view of FIG. 1;

FIG. 7 is a further exploded view of FIG. 1;

FIG. 8 is an assembled view of the carrier and the tip plate of FIG. 1.

The reference numerals are as follows:

the gun head plate 1, the bearing seat 2, the bearing plate 3, the positioning plate 4 and the position detection piece 5;

the placement hole 11, the clamping groove 12 and the fool-proof notch 13;

the device comprises a containing groove 21, a clamping block 22, a ball plunger 23, a fool-proof column 24, a support column 25 and a guide chute 26;

an elastic ball 231;

a guide rail 31 and an elastic positioning pin 32;

raised edge 311.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that those skilled in the art will better understand the present utility model, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.

The embodiment of the utility model discloses a gun head storage rack of a micro sample adding device, which is shown in figures 1 to 8 and comprises a gun head plate 1 and a bearing seat 2, wherein the gun head plate 1 is plate-shaped and is provided with a plurality of through placing holes 11 for supporting gun heads. All the placement holes 11 are cylindrical holes and are arranged in a matrix. The bearing seat 2 is of a box-type structure with an open top, and is provided with a containing groove 21, wherein the containing groove 21 is a rectangular groove, and is surrounded by a bottom side plate, a front side plate, a rear side plate, a left side plate and a right side plate and is used for containing a gun head.

Two opposite sides of the accommodating groove 21 are fixedly provided with clamping blocks 22, and the two clamping blocks 22 are both in strip shapes and are fixed on the bearing seat 2 by using screws. Correspondingly, the two ends of the gun head plate 1 are respectively provided with a clamping groove 12, and the clamping blocks 22 are matched with the clamping grooves 12, so that the gun head plate 1 can be supported on one hand, and the position of the gun head plate 1 can be limited on the other hand.

Each clamping block 22 is provided with an elastic ball head 231, and the elastic ball heads 231 of the two clamping blocks 22 respectively elastically abut against the two ends of the gun head plate 1, so that the two ends of the gun head plate 1 are fixed in the accommodating groove 21 by means of elastic force. In this particular embodiment, two ball plungers 23 are secured to each clip 22, each ball plunger 23 having a resilient ball 231. The structure and the working principle of the ball plunger 23 can be referred to the prior art.

When in replacement, the gun head plate 1 can be conveniently taken down by only one hand due to smaller elastic force of the elastic ball head 231, so that the operation is more convenient and the working efficiency is higher.

The groove edge of the accommodating groove 21 is fixedly provided with a fool-proof column 24, one end of the gun head plate 1 is provided with a fool-proof notch 13, the fool-proof column 24 is matched with the fool-proof notch 13, and the fool-proof design can prevent the gun head plate 1 from being manually misplaced, so that the working efficiency is further improved. Specifically, one end of the accommodating groove 21 is provided with a cylindrical fool-proof column 24, and one end of the gun head plate 1 is provided with an arc fool-proof notch 13. Of course, the installation positions and structures of both the fool-proof column 24 and the fool-proof notch 13 are not limited thereto.

At least two support columns 25 are vertically fixed at the bottom of the accommodating groove 21, and all the support columns 25 are matched with the bottom surface of the gun head plate 1 and used for supporting the gun head plate 1 and preventing the gun head plate 1 from bending deformation. In this embodiment, the bottom of the accommodating groove 21 is provided with two support columns 25, and the two support columns 25 are linearly distributed along the length direction of the gun head plate 1. The support column 25 may be a tapered column to facilitate installation of the gun head plate 1.

The gun head storage rack further comprises a bearing plate 3 for supporting the bearing seat 2. The bearing plate 3 is provided with at least one guide sliding rail 31, the bottom of the bearing seat 2 is provided with at least one guide sliding groove 26, all the guide sliding rails 31 are in one-to-one corresponding sliding fit with all the guide sliding grooves 26, and the bearing seat 2 is conveniently, rapidly and accurately installed in place.

In this embodiment, the supporting plate 3 is provided with two guiding sliding rails 31, opposite sides of the two guiding sliding rails 31 are uniformly provided with a protruding edge 311, the guiding sliding rails 31 and the protruding edge 311 form an L-shaped structure, correspondingly, two opposite sides of the supporting seat 2 are respectively provided with a concave groove, and the protruding edge 311 is matched with the concave groove to limit the supporting seat 2 to shake up and down relative to the supporting plate 3 and prevent the supporting seat 2 from being separated from the supporting plate 3.

The gun head storage rack further comprises a positioning plate 4 vertically fixed to the gun head storage rack and used for limiting the position of the bearing seat 2.

The gun head storage rack further comprises an indicator lamp, a position detection piece 5 and a controller, wherein the position detection piece 5 is arranged on the positioning plate 4 and used for detecting whether the bearing seat 2 is propped against the positioning plate 4, and when the bearing seat 2 is propped against the positioning plate 4, the bearing seat 2 is placed in place. The position detecting member 5 may be a proximity switch sensing member or other type of sensing member, and is not particularly limited herein.

The controller is respectively connected with an indicator lamp and a position detecting piece 5, and the indicator lamp can be an LED lamp for emitting green light. When the position detecting piece 5 detects that the bearing seat 2 is propped against the positioning plate 4, the position detecting piece 5 feeds back a signal to the controller, and the controller controls the indicator lamp to be lightened, so that the bearing seat 2 is intuitively reminded to be placed in place, and misoperation can be prevented.

The controller should include a signal receiving portion for receiving the electric signal transmitted from the position detecting element 5, a signal determining portion electrically connected to the signal receiving portion so as to determine whether the signal received by the receiving portion is a trigger signal, and a signal transmitting portion electrically connected to the signal determining portion so as to transmit the generated determination signal of the signal determining portion to the indicator lamp. The specific arrangement modes of the signal receiving part, the signal judging part and the signal transmitting part can refer to the prior art; in the utility model, the application scenes of the three are only changed, and the utility model does not substantially improve the application scenes. Obviously, the controller with the structure is widely applied to the existing automatic control equipment, such as MCU, DSP or singlechip. The key point of the utility model is that the controller combines both the position detecting member 5 and the indicator light.

The bearing plate 3 is provided with an elastic locating pin 32, a locating groove is arranged at the bottom of the bearing seat 2, and the elastic locating pin 32 is matched with the locating groove in a concave-convex mode and is used for clamping the bearing seat 2 and preventing the gun head plate 1 from shaking up and down. The resilient locating pin 32 may also be a ball plunger 23.

The embodiment of the utility model also discloses a micro sample adding device which comprises the gun head storage rack and has the same beneficial effects.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The gun head storage rack of the micro sample adding device comprises a gun head plate (1) with a plurality of placing holes (11) and a bearing seat (2) with a containing groove (21), and is characterized in that clamping blocks (22) are fixedly arranged on two opposite sides of the containing groove (21), and the gun head plate (1) is provided with clamping grooves (12) matched with the clamping blocks (22); each clamping block (22) is provided with an elastic ball head (231) propped against the end part of the gun head plate (1).

2. Gun head storage rack of microscale sample loading device according to claim 1, characterized in that the slot edge of the holding slot (21) is fixedly provided with a fool-proof column (24), and the gun head plate (1) is provided with a fool-proof notch (13) matched with the fool-proof column (24).

3. The gun head storage rack of the microscale sample loading device according to claim 1, wherein at least two support columns (25) matched with the placing holes (11) are vertically and fixedly arranged at the bottom of the accommodating groove (21).

4. A gun head storage rack for a microscale sample application device according to any one of claims 1 to 3, wherein each of the clamping blocks (22) is fixedly provided with a ball plunger (23) having the elastic ball (231).

5. A gun head storage rack for a microscale sample loading device according to any one of claims 1-3, further comprising a support plate (3), wherein the support plate (3) is provided with at least one guide rail (31), and the bottom of the support base (2) is provided with at least one guide chute (26) cooperating with all the guide rails (31).

6. The gun head storage rack of the microscale sample loading device according to claim 5, wherein the supporting plate (3) is provided with two guiding sliding rails (31), opposite sides of the two guiding sliding rails (31) are uniformly provided with convex edges (311), and opposite sides of the supporting seat (2) are respectively provided with concave grooves matched with the convex edges (311).

7. The tip storage rack of the microscale sample loading device according to claim 5, further comprising a positioning plate (4) vertically fixed to the support plate (3) and used for defining the position of the support base (2).

8. The tip storage rack of the microscale sample application device according to claim 7, further comprising:

an indicator light;

the position detection piece (5) is arranged on the positioning plate (4) and used for detecting whether the bearing seat (2) is propped against the positioning plate (4);

and the controller is respectively connected with the indicator lamp and the position detection piece (5), and is used for controlling the indicator lamp to be lightened when the bearing seat (2) is propped against the positioning plate (4) according to signals fed back by the position detection piece (5).

9. The gun head storage rack of the microscale sample loading device according to claim 5, wherein the supporting plate (3) is provided with an elastic positioning pin (32), and the bottom of the supporting seat (2) is provided with a positioning groove matched with the elastic positioning pin (32).

10. A microscale sample application device comprising a gun head storage rack according to any one of claims 1 to 9.