CN220861503U

CN220861503U - Spring floating adapter

Info

Publication number: CN220861503U
Application number: CN202322528492.9U
Authority: CN
Inventors: 冯仁兵
Original assignee: Shanghai Shuokong Medical Technology Co ltd
Current assignee: Shanghai Shuokong Medical Technology Co ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-04-30
Anticipated expiration: 2033-09-15

Abstract

The utility model discloses a spring floating adapter, which relates to the field of adapters and comprises a pipette back plate, wherein an external thread is arranged on the side outer wall of the pipette back plate, a connecting block is arranged on one side, close to the external thread, of the back outer wall of the pipette back plate, an internal thread is arranged on the side inner wall of the connecting block, an expansion spring is arranged on one side, close to the internal thread, of the inner wall of the connecting block, a thread mounting block is arranged on one side, close to the expansion spring, of the inner wall of the connecting block, a gourd head is arranged on the inner wall of the thread mounting block, a damping plate is arranged on the side outer wall of the gourd head, two groups of semicircular bulges are arranged on one side, far from the damping plate, of the side outer wall of the gourd head, and the two groups of semicircular bulges are uniformly distributed on one side, far from the damping plate, of the side outer wall of the gourd head. The utility model can make the adapter have buffer function, convenient for disassembly and installation and enhance the tightness of the device.

Description

Spring floating adapter

Technical Field

The utility model relates to the field of adapter heads, in particular to a spring floating adapter head.

Background

In part of experiments in the technical field of life science, experimenters need to repeatedly perform operations such as proportioning, adding, sucking and discharging of experimental solutions, and a liquid sample experimental flow is established on the basis of the operations. The operation is mainly realized through the automatic liquid sample processing device, the liquid sample is automatically processed by using the instrument, the analysis of experimental results is convenient to trace, the experimental flow is shortened, the labor intensity of experimental staff is reduced, and the research risk brought by misoperation of the experimental staff is reduced.

A multichannel pipetting device is an important automated handling device for liquid samples for performing pipetting operations. In the existing multichannel pipetting device, a linear driving motor is usually arranged on a main body support, a pipetting mechanism is arranged on a movable rocker arm, the linear driving motor is far away from the center of the pipetting mechanism, and meanwhile, when a plurality of pipetting heads are loaded, the offset moment is large, and a huge reaction force is generated on the whole pipetting device, so that the whole pipetting device and intermediate parts thereof deform, the loading height of the pipetting heads is finally influenced, the phenomenon that the pipetting heads are high before and low after loading is easy to occur, the suitability of the pipetting heads with different aperture tolerances is reduced, and the consumable selection of users is greatly limited; in addition, the whole volume of current pipettor is great, occupies great assembly space, and the structure is compact inadequately.

As in the patent pipetting device (bulletin number: CN 218796004U), the pipetting device disclosed comprises: the guide assembly comprises a first guide rail, a second guide rail, a first guide rail mounting plate and a second guide rail mounting plate; the driving assembly comprises a motor mounting plate, a driving motor and a transmission screw rod; and the pipettor assembly comprises a pipettor mounting seat, a screw nut and a pipettor, wherein the pipettor is connected to the pipettor mounting seat, the screw nut is arranged on the pipettor mounting seat, and the transmission screw rod is arranged in the screw nut in a penetrating way. The whole structure of the pipetting device disclosed by the utility model is more compact, the distance between the pipetting device and the driving motor is shorter, the deflection moment born by the pipetting device is reduced, the pipetting device can be adapted to the suction heads of various factories, and the liquid automatic treatment technology is convenient to popularize.

The above patent realizes reduction of the deflection moment born by the pipetting device by driving the screw rod and the screw nut. When the liquid is sucked, a plurality of groups of suction heads are required to be inserted into a plurality of corresponding groups of pipelines for containing liquid, and the problem that the plurality of groups of suction heads cannot be accurately inserted into the corresponding pipelines for containing liquid can occur. Therefore, it is necessary to invent a spring floating adapter to solve the above-mentioned problems.

Disclosure of utility model

The utility model aims to provide a spring floating adapting head so as to solve the problem that a plurality of groups of suckers in the background art cannot be accurately inserted into corresponding pipelines for containing liquid.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a spring floating adapter, includes the pipettor backplate, the side outer wall of pipettor backplate is provided with the external screw thread, the back outer wall of pipettor backplate is close to one side of external screw thread is provided with the connecting block, the side inner wall of connecting block is provided with the internal screw thread, the inner wall of connecting block is close to one side of internal screw thread is provided with the extension spring, the inner wall of connecting block is close to one side of extension spring is provided with the screw thread installation piece, the inner wall of screw thread installation piece is provided with the calabash head, the side outer wall of calabash head is provided with the damping plate, the side outer wall of calabash head is kept away from one side of damping plate is provided with two sets of semicircle archs, two sets of semicircle arch evenly distributed are in the side outer wall of calabash head is kept away from one side of damping plate, the outside of pipettor backplate is connected with the liquid transfer pump.

Preferably, the outer wall of the semicircular bulge is provided with a conical suction head.

Preferably, a first water through hole is formed in the inner wall of the side face of the pipette back plate.

Preferably, the side inner wall of the gourd head is provided with a second water through hole.

Preferably, the lateral outer wall of the connecting block is provided with a guide groove.

Preferably, a connecting sleeve is arranged on one side, close to the guide groove, of the lateral outer wall of the connecting block, and a sealing ring is arranged on the lateral inner wall of the connecting sleeve.

Preferably, two groups of sealing rings are arranged on the outer wall of the connecting sleeve, and the two groups of sealing rings are symmetrically distributed at the upper end and the lower end of the outer wall of the connecting sleeve.

The utility model has the technical effects and advantages that:

According to the utility model, the telescopic springs are arranged, the pipelines for containing liquid are arranged below the conical suction heads, when in liquid suction, a plurality of groups of conical suction heads are required to be inserted into a plurality of corresponding groups of pipelines for containing liquid, at the moment, the telescopic springs deform under the action of external force and drive the plurality of groups of conical suction heads to shake slightly, and the telescopic springs play a role in buffering, so that the plurality of groups of conical suction heads can more easily enter the corresponding groups of pipelines for containing liquid.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a diagram of a connection of a spring-loaded adapter to a pipette.

Fig. 2 is a schematic diagram of the overall structure of the spring floating adapter of the present utility model.

Fig. 3 is a schematic top view of the spring floating adapter of the present utility model.

Fig. 4 is a schematic bottom view of the spring floating adapter of the present utility model.

Fig. 5 is a schematic view of a parsing structure of a spring floating adapter of the present utility model.

In the figure: 1. a pipettor backplate; 2. an external thread; 3. a connecting block; 4. an internal thread; 5. a telescopic spring; 6. a threaded mounting block; 7. a gourd head; 8. a damping plate; 9. a semicircular bulge; 10. conical suction head; 11. a first water through hole; 12. a second water through hole; 13. a guide groove; 14. connecting sleeves; 15. a seal ring; 16. a seal ring; 17. and (3) a liquid transferring pump.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

The utility model provides a spring floating adapter as shown in figures 1-5, which comprises a liquid-transfering device backboard 1, wherein an external thread 2 is arranged on the side surface outer wall of the liquid-transfering device backboard 1, a connecting block 3 is arranged on one side of the back surface outer wall of the liquid-transfering device backboard 1, which is close to the external thread 2, an internal thread 4 is arranged on the side surface inner wall of the connecting block 3, wherein the external diameter dimension of the external thread 2 of the outer wall of the liquid-transfering device backboard 1 is the same as the internal diameter dimension of the internal thread 4 on the side surface inner wall of the connecting block 3, so that the connecting block 3 can be twisted on the outer wall of the liquid-transfering device backboard 1, a telescopic spring 5 is arranged on one side of the inner wall of the connecting block 3, which is close to the telescopic spring 5, a thread mounting block 6 is arranged on one side of the inner wall of the connecting block 3, a bottle gourd head 7 is arranged on the inner wall of the thread mounting block 6, wherein a user can joggle the bottle gourd head 7 on the side inner wall of the connecting block 3, the inner wall of the threaded mounting block 6 is twisted on the outer wall of the connecting block 3, the telescopic spring 5 is embedded on the inner wall of the connecting block 3, the telescopic spring is supported and fixed through the pipette back plate 1, the hoist head 7 can float on the inner wall of the connecting block 3 along with the elasticity of the telescopic spring 5, the damping plate 8 is arranged on the outer side wall of the side surface of the hoist head 7, two groups of semicircular bulges 9 are arranged on one side, far away from the damping plate 8, of the outer side wall of the side surface of the hoist head 7, the two groups of semicircular bulges 9 are uniformly distributed on one side, far away from the damping plate 8, of the outer side wall of the hoist head 7, the damping plate 8 can limit the hoist head 7, the outer diameter size of the two groups of semicircular bulges 9 is identical with the inner diameter size of the conical suction head 10, the device is convenient for a user to operate, and the outside of the pipette back plate 1 is connected with the pipette pump 17, and the pipette pump 17 is used for conveying liquid.

The outer wall of the semicircle bulge 9 is provided with a conical suction head 10, wherein a user can embed the inner wall of the conical suction head 10 on two groups of semicircle bulges 9 on the outer wall of the gourd head 7, so that the connection tightness of the conical suction head 10 and the gourd head 7 is enhanced.

The side inner wall of the back plate 1 of the liquid transfer device is provided with a first water through hole 11, wherein the liquid in the liquid transfer device can be led out through the first water through hole 11 arranged on the side inner wall of the back plate 1 of the liquid transfer device, so that the liquid in the device is convenient to be led out.

The inner wall of the side surface of the gourd head 7 is provided with a second water through hole 12, wherein the liquid led out from the first water through hole 11 can be led out from the second water through hole 12 of the inner wall of the gourd head 7 in the connecting block 3, so that the liquid in the device can be led out in a quasi-direction.

The lateral outer wall of the connection block 3 is provided with a guide groove 13, wherein the inner diameter size of the guide groove 13 is the same as the outer diameter size of the seal ring 15.

The side outer wall of connecting block 3 is provided with adapter sleeve 14 near the one side of guiding groove 13, and the side inner wall of adapter sleeve 14 is provided with sealing ring 15, wherein the user can be through the sealing ring 15 with adapter sleeve 14 side inner wall, gomphosis in guiding groove 13 of connecting block 3 outer wall, makes adapter sleeve 14 side and connecting block 3's leakproofness reinforcing.

The outer wall of the connecting sleeve 14 is provided with two groups of sealing rings 16, the two groups of sealing rings 16 are symmetrically distributed at the upper end and the lower end of the outer wall of the connecting sleeve 14, wherein a user can movably plug the gourd head 7 into the two groups of connecting sleeves 14 on the outer wall of the connecting block 3, so that the connection tightness with the outer wall of the gourd head 7 can be enhanced, liquid in the device is prevented from seeping out through a gap between the connecting block 3 and the gourd head 7, and the tightness of the device is enhanced.

Working principle: the conical suction head 10 is stretched to a bearing object by a user, the reaction force born by the conical suction head 10 can slide on the inner wall of the connecting block 3 through two groups of semicircular bulges 9 on the outer wall of the gourd head 7, the threaded mounting block 6 which is twisted with the outer wall of the conical suction head slides on the inner wall of the connecting block 3, the elasticity of the telescopic spring 5 on the inner wall of the connecting block 3 can support the threaded mounting block 6, wherein the pipelines for containing liquid are arranged below the conical suction head 10, when the conical suction head 10 is required to be sucked, a plurality of groups of pipelines for containing liquid are required to be inserted into the corresponding plurality of groups of pipelines for containing liquid, at the moment, the telescopic spring 5 can deform under the action of external force and drive the plurality of groups of conical suction heads 10 to shake by a small extent, and the telescopic spring 5 plays a buffering role, so that the plurality of groups of conical suction heads 10 can more easily enter the corresponding groups of pipelines for containing liquid; the user can rotate the connecting block 3 which is twisted on the outer wall of the side surface of the liquid transfer device backboard 1, the internal thread 4 on the inner wall of the connecting block 3 is rotationally detached from the external thread 2, the telescopic spring 5 is pulled out, the screw thread mounting block 6 which is twisted on the outer wall of the telescopic spring is propped against the gourd head 7 to be detached, and therefore the gourd head 7 can be pulled out from the connecting block 3 and the outer wall of the connecting sleeve 14, and the device is convenient to detach and mount; the sealing rings 15 on the side inner walls of the connecting sleeves 14 can be embedded into the guide grooves 13 on the side outer walls of the connecting blocks 3, and the gourd heads 7 are movably inserted into the inner walls of the two groups of sealing rings 16 on the outer walls of the connecting blocks 3, so that the connecting sleeve 14 is sealed with the side surfaces of the connecting blocks 3 and the outer walls of the gourd heads 7, the tightness of the device is enhanced, and the spring floating adapter is buffer, convenient to detach and install and enhanced in tightness.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The spring floating adapter comprises a pipettor backboard (1), and is characterized in that: the side outer wall of pipettor backplate (1) is provided with external screw thread (2), the back outer wall of pipettor backplate (1) is close to one side of external screw thread (2) is provided with connecting block (3), the side inner wall of connecting block (3) is provided with internal screw thread (4), the inner wall of connecting block (3) is close to one side of internal screw thread (4) is provided with extension spring (5), the inner wall of connecting block (3) is close to one side of extension spring (5) is provided with screw thread installation piece (6), the inner wall of screw thread installation piece (6) is provided with calabash head (7), the side outer wall of calabash head (7) is provided with damping plate (8), the side outer wall of calabash head (7) is kept away from one side of damping plate (8) is provided with two sets of semicircle arch (9), two sets of semicircle arch (9) evenly distributed are in the side outer wall of calabash head (7) is kept away from one side of damping plate (8), the outside of pipettor backplate (1) is connected with liquid transfer pump (17).

2. The spring floating adapter of claim 1, wherein: the outer wall of the semicircular bulge (9) is provided with a conical suction head (10).

3. The spring floating adapter of claim 1, wherein: the side inner wall of the liquid transfer device backboard (1) is provided with a first water through hole (11).

4. The spring floating adapter of claim 1, wherein: the inner wall of the side face of the gourd head (7) is provided with a second water through hole (12).

5. The spring floating adapter of claim 1, wherein: the lateral outer wall of the connecting block (3) is provided with a guide groove (13).

6. The spring floating adapter of claim 5, wherein: the connecting sleeve (14) is arranged on one side, close to the guide groove (13), of the lateral outer wall of the connecting block (3), and the sealing ring (15) is arranged on the lateral inner wall of the connecting sleeve (14).

7. The spring floating adapter of claim 6, wherein: the outer wall of the connecting sleeve (14) is provided with two groups of sealing rings (16), and the two groups of sealing rings (16) are symmetrically distributed at the upper end and the lower end of the outer wall of the connecting sleeve (14).