CN218212807U

CN218212807U - Liquid chromatograph

Info

Publication number: CN218212807U
Application number: CN202222259081.XU
Authority: CN
Inventors: 江永生
Original assignee: Shenyang Zhuonang Biotechnology Co ltd
Current assignee: Liaoning Chenpeng Biotechnology Co.,Ltd.
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-01-03
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a liquid chromatograph, which comprises a liquid chromatograph body, a chassis, a damping mechanism and universal wheels, wherein the chassis is connected with the bottom end surface of the liquid chromatograph body; the number of the four damping mechanisms is four, and the four damping mechanisms are arranged on the chassis in a pairwise array; each damping mechanism is provided with one universal wheel, and the universal wheels can be self-locked. The liquid chromatograph can be conveniently moved and has a damping function, so that the flexibility and the service life of the liquid chromatograph are improved.

Description

Liquid chromatograph

Technical Field

The utility model relates to a chromatograph field, concretely relates to liquid chromatograph.

Background

Liquid chromatographs are also classified into liquid-liquid chromatography (LLC) and liquid-solid chromatography (LSC) according to whether the stationary phase is liquid or solid. The modern liquid chromatograph consists of a high-pressure infusion pump, a sample introduction system, a temperature control system, a chromatographic column, a detector, a signal recording system and the like. Compared with the classical liquid phase column chromatography device, the device has the characteristics of high efficiency, rapidness, sensitivity and the like.

In the production process of the preservative, a liquid chromatograph is needed to analyze certain content of the high molecular material, but the existing liquid chromatograph has the following defects:

1. the existing liquid chromatograph has low flexibility and is inconvenient for workers to move the device;

2. the existing liquid chromatograph can vibrate to a certain degree during the movement and working process, and the liquid chromatograph is easily damaged when the vibration is too large.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the to-be-solved technical problem of the utility model is to provide a liquid chromatograph can conveniently remove to have shock-absorbing function, thereby improve liquid chromatograph's flexibility ratio and life-span.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a liquid chromatograph comprising:

a liquid chromatograph body;

the base plate is connected with the bottom end face of the liquid chromatograph body;

four damping mechanisms are arranged on the chassis in a pairwise array; and

the damping mechanism is provided with one universal wheel, and the universal wheel can be self-locked.

Further, damper includes roof, bottom plate, piston, sleeve and elastic component, the roof with the bottom plate sets up relatively, just the roof is connected on the chassis, the universal wheel with the bottom plate is connected, the piston sets up on the roof, the sleeve sets up on the bottom plate, just the piston can be slided insert establish in the sleeve, the elastic component cover is established the piston with outside the sleeve, just the both ends of elastic component respectively with roof with bottom plate fixed connection.

Further, the sleeve is a double-layer sleeve, a communicating hole is formed in the position, close to the bottom, of the inner wall of the double-layer sleeve, the communicating hole enables the hollow interlayer of the sleeve to be communicated with the inner cavity of the sleeve, liquid is arranged in the hollow interlayer of the sleeve and the inner cavity of the sleeve, the liquid can flow between the hollow interlayer of the sleeve and the inner cavity of the sleeve through the communicating hole, compressible gas is arranged in the hollow interlayer of the sleeve, the compressed gas is located above the liquid and is not dissolved in the liquid, and the piston is connected with the side wall of the inner cavity of the sleeve in a sealing and sliding mode.

Further, damper still includes the dust cover, the dust cover can stretch out and draw back, just the dust cover is established the piston with the sleeve, just the both ends of dust cover respectively with roof with bottom plate fixed connection.

Further, the liquid chromatograph further comprises a plurality of auxiliary supporting rod assemblies, wherein the auxiliary supporting rod assemblies are circumferentially and alternately hinged on the side wall of the liquid chromatograph body and can be supported on the ground.

Further, the auxiliary supporting rod assembly comprises a supporting rod, a supporting rod and a locking screw, wherein the supporting rod is hinged to the side wall of the liquid chromatograph body, the supporting rod is a hollow rod, the supporting rod is connected with the supporting rod in an inserting mode, the locking screw is arranged on the supporting rod and connected with the supporting rod in a threaded mode, the locking screw rotates, and the end portion of the locking screw can be abutted to the side wall of the supporting rod.

Furthermore, the bottom end face of the support rod is provided with a non-slip mat.

The utility model has the advantages that:

above-mentioned liquid chromatograph, when the usual use, the universal wheel is in the locking state, and in the liquid chromatography analysis use, when the vibrations take place for the phase chromatograph body, damper can play the cushioning effect, then can effectual protection liquid chromatograph body, extension liquid chromatograph's life. When needs remove, untie the universal wheel, then can promote liquid chromatograph and remove, at the removal in-process, when the road surface is unevenness, damper also can play the cushioning effect, prevents that the liquid chromatograph body from being jolted bad.

Drawings

In order to more clearly illustrate the embodiments of the present invention, the drawings used in the embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.

Fig. 1 is a schematic diagram of a liquid chromatograph according to an embodiment of the present invention;

fig. 2 is a schematic view of a damper mechanism in the liquid chromatograph shown in fig. 1;

reference numerals:

100. a liquid chromatograph body; 200. a chassis; 300. a universal wheel; 400. a damping mechanism; 410. a top plate; 420. a base plate; 430. a piston; 440. a sleeve; 441. a communicating hole; 450. an elastic member; 460. a liquid; 470. a gas; 480. a dust cover; 500. an auxiliary support rod assembly; 510. a strut; 520. a stay bar; 530. and locking the screw.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

Referring to fig. 1 to 2, the present invention provides a liquid chromatograph, which includes a liquid chromatograph body 100, a chassis 200, a damping mechanism 400, and a universal wheel 300.

Specifically, the liquid chromatograph body 100 is a liquid chromatograph body 100 commonly used in the related art. The base plate 200 is connected to the bottom end surface of the liquid chromatograph body 100. Four shock absorption mechanisms 400 are arranged on the chassis 200 in a pairwise array. Each shock absorption mechanism 400 is provided with a universal wheel 300, and the universal wheels 300 can be self-locked. In particular embodiments, the universal wheel 300 may be selected from self-locking universal wheels 300 commonly used in the art.

When commonly using, universal wheel 300 is in the locking state, and in the liquid chromatography analysis process, when the phase chromatograph body takes place vibrations, damper 400 can play the cushioning effect, then can effectual protection liquid chromatograph body 100, extension liquid chromatograph's life. When the liquid chromatograph needs to move, the universal wheel 300 is unfastened, so that the liquid chromatograph can be pushed to move, and in the moving process, when the road surface is uneven, the damping mechanism 400 can also play a damping role, so that the liquid chromatograph body 100 is prevented from being bumpy and damaged.

In the present embodiment, the shock absorbing mechanism 400 includes a top plate 410, a bottom plate 420, a piston 430, an elastic member 450, and an elastic member 450. The top plate 410 and the bottom plate 420 are oppositely arranged, the top plate 410 is connected to the chassis 200, the universal wheel 300 is connected to the bottom plate 420, the piston 430 is arranged on the top plate 410, the elastic piece 450 is arranged on the bottom plate 420, the piston 430 is slidably inserted into the elastic piece 450, the elastic piece 450 is sleeved outside the piston 430 and the elastic piece 450, and two ends of the elastic piece 450 are respectively fixedly connected with the top plate 410 and the bottom plate 420.

During use, the elastic member 450 plays a role of elastic buffer. The piston 430 is inserted into the elastic member 450 to perform a guiding function, so as to perform a damping function on the liquid chromatograph body 100. In particular implementations, the resilient member 450 may preferably be a spring.

In a preferred embodiment, the sleeve 440 is a double-layer sleeve, a communication hole 441 is formed at the position, close to the bottom, of the inner wall of the double-layer sleeve, and the communication hole 441 communicates the hollow interlayer of the sleeve 440 with the inner cavity of the sleeve 440. The hollow interlayer of the sleeve 440 and the inner cavity of the elastic member 450 are both provided with liquid 460, and the liquid 460 can flow between the hollow interlayer of the sleeve 440 and the inner cavity of the sleeve 440 through the communication hole 441. A compressible gas 470 is disposed within the hollow core of the sleeve 440, and the compressible gas 470 is located above the liquid 460 and is insoluble in the liquid 460. The piston 430 is in sealed sliding connection with the side wall of the inner cavity of the sleeve 440. In particular implementations, the compressible gas 470 may be selected from nitrogen, carbon dioxide, and the like. The liquid 460 may be hydraulic oil.

When the piston 430 is pressed down in use, hydraulic oil in the inner cavity of the sleeve 440 is pressed into the hollow interlayer through the communication hole 441, and the compressed gas 470 is compressed, so that the piston 430 can be buffered, and a damping effect is further achieved. As the piston 430 rises, the compressed air is returned to the chamber of the resilient member 450 and is ready for the next cushioning compression.

Preferably, the shock absorbing mechanism 400 further comprises a dust cover 480, the dust cover 480 can stretch, the dust cover 480 is sleeved outside the piston 430 and the sleeve 440, and two ends of the dust cover 480 are fixedly connected with the top plate 410 and the bottom plate 420 respectively.

In this embodiment, the liquid chromatograph further includes a plurality of auxiliary support rod assemblies 500, and the plurality of auxiliary support rod assemblies 500 are circumferentially spaced and hinged to the side wall of the liquid chromatograph body 100 and can be supported on the ground.

Specifically, the auxiliary support rod assembly 500 includes a support rod 510, a support rod 520, and a locking screw 530. The supporting rod 510 is hinged to the side wall of the liquid chromatograph body 100, the supporting rod 510 is a hollow rod, the supporting rod 520 is inserted into the supporting rod 510, the locking screw 530 is arranged on the supporting rod 510 and is in threaded connection with the supporting rod 510, and the end of the locking screw 530 can be pressed against the side wall of the supporting rod 520 by rotating the locking screw 530.

When the liquid chromatograph is moved, the locking screw 530 is loosened, the support rod 520 is inserted into the support rod 510, the support rod 510 is far away from the ground, and the locking screw 530 is used for locking; when the universal wheel 300 is moved to a destination, the universal wheel 300 is locked, then the locking screw 530 is loosened, the support rod 520 is pulled out, and after the support rod is supported on the ground, the locking screw 530 is locked again.

By adopting the liquid chromatograph, the liquid chromatograph can be conveniently moved to a required place through the universal wheel 300. In the use, when the phase chromatograph body takes place vibrations, damper 400 can play the cushioning effect, then can effectual protection liquid chromatograph body 100, extension liquid chromatograph's life. In the process of moving the liquid chromatograph, when the road surface is uneven, the damping mechanism 400 can also play a role in damping, so as to prevent the liquid chromatograph body 100 from being damaged by bumping.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A liquid chromatograph, comprising:

a liquid chromatograph body;

four damping mechanisms are arranged on the chassis in a pairwise array; and

2. The liquid chromatograph of claim 1, wherein the damping mechanism comprises a top plate, a bottom plate, a piston, a sleeve, and an elastic member, the top plate is disposed opposite to the bottom plate, the top plate is connected to the base plate, the universal wheel is connected to the bottom plate, the piston is disposed on the top plate, the sleeve is disposed on the bottom plate, the piston is slidably inserted into the sleeve, the elastic member is sleeved outside the piston and the sleeve, and two ends of the elastic member are respectively fixedly connected to the top plate and the bottom plate.

3. The liquid chromatograph of claim 2, wherein the sleeve is a double-layer sleeve, a communication hole is formed in a position, close to the bottom, of an inner wall of the double-layer sleeve, the communication hole communicates the hollow interlayer of the sleeve with the inner cavity of the sleeve, liquid is disposed in both the hollow interlayer of the sleeve and the inner cavity of the sleeve, the liquid can flow between the hollow interlayer of the sleeve and the inner cavity of the sleeve through the communication hole, a compressible gas is disposed in the hollow interlayer of the sleeve, the compressed gas is located above the liquid and is insoluble in the liquid, and the piston is connected with a side wall of the inner cavity of the sleeve in a sealing and sliding manner.

4. The liquid chromatograph of claim 3, wherein the shock absorbing mechanism further comprises a dust cover, wherein the dust cover is retractable and is sleeved outside the piston and the sleeve, and two ends of the dust cover are respectively fixedly connected with the top plate and the bottom plate.

5. The liquid chromatograph of claim 1, further comprising a plurality of auxiliary support rod assemblies, wherein the plurality of auxiliary support rod assemblies are circumferentially spaced apart and are hingedly coupled to the side wall of the liquid chromatograph body and are supportable on the ground.

6. The liquid chromatograph of claim 5, wherein the auxiliary support rod assembly comprises a support rod, a support rod and a locking screw, the support rod is hinged to a side wall of the liquid chromatograph body, the support rod is a hollow rod, the support rod is inserted into the support rod, the locking screw is arranged on the support rod and is in threaded connection with the support rod, the locking screw is rotated, and an end portion of the locking screw can abut against the side wall of the support rod.

7. The liquid chromatograph of claim 6, wherein the strut bottom end face is provided with a non-slip pad.