CN213193791U

CN213193791U - Catheter fixing device for liquid chromatograph

Info

Publication number: CN213193791U
Application number: CN202021729539.8U
Authority: CN
Inventors: 刘洪涛
Original assignee: Hongluo Tianjin Technology Co ltd
Current assignee: Hongluo Tianjin Technology Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-05-14
Anticipated expiration: 2030-08-19

Abstract

The utility model discloses a pipe fixing device for liquid chromatograph, comprising a base plate, the top of bottom plate is provided with the rack, be fixed with the support column between bottom plate and the rack, open at the top of rack has the hole of placing, open at the top of bottom plate has the standing groove, place the direction body in hole and the standing groove, the switch is installed in the front of bottom plate and rack, miniature pneumatic telescopic link is all installed to the inside of bottom plate and rack, miniature pneumatic telescopic link's output is connected with the grip block, one side of grip block is fixed with the rubber pad, the top and the bottom of support column all are fixed with the threaded rod, the thread groove has all been opened to the top of bottom plate and the bottom of rack, and the threaded rod screw thread is in the inside of thread groove, open in the front of. The utility model discloses can play the fixed action to placing the pipe body in placing hole and standing groove, stability when improving the pipe body and using, the rubber pad receives wearing and tearing when avoiding the grip block to pipe body centre gripping.

Description

Catheter fixing device for liquid chromatograph

Technical Field

The utility model relates to a liquid chromatograph technical field especially relates to a pipe fixing device for liquid chromatograph.

Background

The liquid chromatograph is an instrument which firstly separates a mixture and then analyzes and identifies the mixture by utilizing the difference of the distribution ratio of the mixture between two liquids which are liquid-solid or immiscible, and the liquid chromatograph is divided 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.

The catheter fixing device for the liquid chromatograph in the prior art can not play a fixed role in the catheter body placed in the placing hole and the placing groove, and leads to relatively poor stability of the catheter body in use. Therefore, it is desirable to design a catheter fixing device for a liquid chromatograph to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a catheter fixing device for a liquid chromatograph.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a pipe fixing device for liquid chromatograph, includes the bottom plate, the top of bottom plate is provided with the rack, be fixed with the support column between bottom plate and the rack, open at the top of rack has the hole of placing, open at the top of bottom plate has the standing groove, place the direction body in hole and the standing groove, the switch is installed in the front of bottom plate and rack, miniature pneumatic telescopic link is all installed to the inside of bottom plate and rack, miniature pneumatic telescopic link's output is connected with the grip block, one side of grip block is fixed with the rubber pad.

Furthermore, threaded rods are fixed to the top end and the bottom end of the supporting column, thread grooves are formed in the top of the bottom plate and the bottom of the placing frame, and threads of the threaded rods are arranged inside the thread grooves.

Furthermore, the front of bottom plate is opened there is the mounting groove, the inside fixed mounting of mounting groove has miniature shock motor.

Further, the front joint of bottom plate has the protective cover, the front of bottom plate and the one side that is located the protective cover are provided with the arc wall, and the protective cover joint is in the inside of mounting groove.

Furthermore, the bottom plate and the inside of rack all open and have the joint groove, the output of miniature pneumatic telescopic link is fixed with the expansion board, and one side of expansion board is fixed in one side of grip block.

Furthermore, a guide rod is fixed on one side of the clamping plate, guide grooves are formed in the bottom plate and the placing frame, and the guide rod is inserted in the guide grooves in a sliding mode.

Furthermore, mounting plates are fixed on two sides of the bottom plate, and mounting holes are formed in the top of the mounting plates.

The utility model has the advantages that:

1. through miniature pneumatic telescopic link, grip block and the rubber pad that sets up, miniature pneumatic telescopic link can drive the grip block and remove, and two grip blocks are close to relatively and can play the fixed action to placing the pipe body in placing hole and standing groove, stability when improving the pipe body and using, and the rubber pad receives wearing and tearing when avoiding the grip block to the pipe body centre gripping.

2. Through the miniature vibrating motor who sets up, start miniature vibrating motor and can drive pipe fixing device and produce slight vibrations to can make the bubble discharge in the inside liquid of the pipe body in the fixing device, improve the volume that this internal liquid of pipe is full of.

3. Through guide bar and the guide way that sets up, the guide bar slides and pegs graft in the inside of guide way, and the guide bar can play the guide effect to the grip block, improves the grip block when removing and the stability of pipe body to the centre gripping.

4. Through support column, threaded rod and the thread groove that sets up, the support column can carry out the fixed stay to the rack, and the support column can be respectively the inside of the thread groove of screw on bottom plate and rack through the threaded rod at both ends, and bottom plate and rack equipment and dismantlement of being convenient for are convenient for wash bottom plate and rack 2 simultaneously.

Drawings

Fig. 1 is a schematic view of an overall structure of a catheter fixing device for a liquid chromatograph according to the present invention;

fig. 2 is an exploded schematic view of a catheter fixing device for a liquid chromatograph according to the present invention;

fig. 3 is a schematic view of an internal structure of a placement hole of a catheter fixing device for a liquid chromatograph according to the present invention;

fig. 4 is a schematic structural view of a micro vibration motor of the catheter fixing device for a liquid chromatograph according to the present invention.

In the figure: the device comprises a base plate 1, a placing frame 2, a supporting column 3, a placing hole 4, a placing groove 5, a conduit body 6, a switch 7, a protective cover 8, an arc-shaped groove 9, a mounting plate 10, a mounting hole 11, a threaded rod 12, a threaded groove 13, a miniature pneumatic telescopic rod 14, a clamping plate 15, a clamping groove 16, an expansion plate 17, a guide groove 18, a guide rod 19, a rubber pad 20, a mounting groove 21 and a miniature vibration motor 22.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a catheter fixing device for a liquid chromatograph includes a bottom plate 1, a placing frame 2 is disposed on the top of the bottom plate 1, a supporting column 3 is fixed between the bottom plate 1 and the placing frame 2, the supporting column 3 can fixedly support the placing frame 2, a placing hole 4 is formed on the top of the placing frame 2, a placing groove 5 is formed on the top of the bottom plate 1, a guiding body 6 is disposed in the placing hole 4 and the placing groove 5, a switch 7 is disposed on the front sides of the bottom plate 1 and the placing frame 2, a micro pneumatic telescopic rod 14 is disposed inside the bottom plate 1 and the placing frame 2, the micro pneumatic telescopic rod 14 can drive a clamping plate 15 to move, an output end of the micro pneumatic telescopic rod 14 is connected with the clamping plate 15, the two clamping plates 15 are relatively close to each other and can fix a catheter body 6 disposed in the placing hole 4 and the placing groove 5, so as to improve, a rubber pad 20 is fixed on one side of the clamping plate 15, and the rubber pad 20 prevents the clamping plate 15 from being worn when clamping the catheter body 6.

Further, threaded rod 12 is all fixed with on the top of support column 3 and bottom, and thread groove 13 has all been opened to the top of bottom plate 1 and rack 2's bottom, and threaded rod 12 screw thread is in the inside of thread groove 13, and support column 3 can be threaded respectively in the inside of thread groove 13 on bottom plate 1 and rack 2 through the threaded rod 13 at both ends, and the bottom plate 1 and rack 2 of being convenient for assemble and dismantle, are convenient for wash bottom plate 1 and rack 2 simultaneously.

Further, the front of the bottom plate 1 is provided with a mounting groove 21, a micro vibration motor 22 is fixedly mounted inside the mounting groove 21, and the micro vibration motor 22 can drive the catheter fixing device to generate slight vibration, so that bubbles in the liquid inside the catheter body 6 in the fixing device can be discharged, and the amount of the liquid filled in the catheter body 6 is increased.

Further, bottom plate 1's front joint has protective cover 8, and bottom plate 1's front and the one side that is located protective cover 8 are provided with arc wall 9, and protective cover 8 joint is in the inside of mounting groove 21.

Further, the clamping grooves 16 are formed in the bottom plate 1 and the placing frame 2, the output end of the miniature pneumatic telescopic rod 14 is fixedly provided with the expansion plate 17, the expansion plate 17 increases the contact area of the output end of the miniature pneumatic telescopic rod 14 and the clamping plate 15, and one side of the expansion plate 17 is fixed on one side of the clamping plate 15.

Further, a guide rod 19 is fixed on one side of the clamping plate 15, guide grooves 18 are formed in the bottom plate 1 and the placing frame 2, the guide rod 19 is inserted in the guide grooves 18 in a sliding mode, the guide rod 19 can play a role in guiding the clamping plate 15, and the stability of the clamping plate 15 and the stability of the pipe body 6 for clamping are improved when the clamping plate 15 moves.

Further, mounting plates 10 are fixed on both sides of the bottom plate 1, the mounting plates 10 can fix the floor plate 1 at a designated position through bolts, and mounting holes 11 are formed in the tops of the mounting plates 10.

The working principle is as follows: when the device is used, the bottom plate 1 of the fixing device is fixed to a designated position of a liquid chromatograph through bolts and the mounting plate 10, the support column 3 can fixedly support the placing frame 2, the support column 3 can be respectively threaded inside the thread grooves 13 on the bottom plate 1 and the placing frame 2 through the threaded rods 13 at two ends, so that the bottom plate 1 and the placing frame 2 can be conveniently assembled and disassembled, the bottom plate 1 and the placing frame 2 can be conveniently cleaned, the catheter body 6 is placed in the placing hole 4 and the placing groove 5, the switch 7 is pressed down, the miniature pneumatic telescopic rod 14 is started, the miniature pneumatic telescopic rod 14 can drive the clamping plate 15 to move, the guide rod 19 on one side of the clamping plate 15 is slidably inserted into the guide groove 18, the guide rod 19 can guide the clamping plate 15, the stability of the clamping plate 15 and the catheter body 6 in clamping is improved when the clamping plate 15 moves, the two clamping plates 15 are relatively close to each other and can fix the catheter body 6 placed in the placing hole 4 and the, stability when improving pipe body 6 and using, rubber pad 20 avoids grip block 15 to receive wearing and tearing when 6 centre grippings of pipe body, starts miniature shock motor 22 and can drive pipe fixing device and produce slight vibrations to can make the interior bubble discharge of the inside liquid of pipe body 6 in the fixing device, improve the volume that liquid was full of in the pipe body 6.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a pipe fixing device for liquid chromatograph, includes bottom plate (1), its characterized in that, the top of bottom plate (1) is provided with rack (2), be fixed with support column (3) between bottom plate (1) and rack (2), open at the top of rack (2) has place hole (4), open at the top of bottom plate (1) has place groove (5), place direction body (6) in hole (4) and place groove (5), switch (7) are installed in the front of bottom plate (1) and rack (2), miniature pneumatic telescopic link (14) are all installed to the inside of bottom plate (1) and rack (2), the output of miniature pneumatic telescopic link (14) is connected with grip block (15), one side of grip block (15) is fixed with rubber pad (20).

2. The catheter fixing device for the liquid chromatograph according to claim 1, wherein a threaded rod (12) is fixed to each of the top end and the bottom end of the supporting column (3), a threaded groove (13) is formed in each of the top of the bottom plate (1) and the bottom of the placing frame (2), and the threaded rod (12) is threaded inside the threaded groove (13).

3. The guide tube fixing device for the liquid chromatograph according to claim 1, wherein a mounting groove (21) is formed in a front surface of the base plate (1), and a micro vibration motor (22) is fixedly mounted inside the mounting groove (21).

4. The catheter fixing device for the liquid chromatograph of claim 1, wherein a protective cover (8) is fastened to the front surface of the bottom plate (1), an arc-shaped groove (9) is formed in the front surface of the bottom plate (1) and located on one side of the protective cover (8), and the protective cover (8) is fastened to the inside of the mounting groove (21).

5. The catheter fixing device for the liquid chromatograph according to claim 1, wherein the bottom plate (1) and the placing frame (2) are both provided with a clamping groove (16), the output end of the miniature pneumatic telescopic rod (14) is fixed with an expansion plate (17), and one side of the expansion plate (17) is fixed on one side of the clamping plate (15).

6. The catheter fixing device for the liquid chromatograph according to claim 1, wherein a guide rod (19) is fixed on one side of the clamping plate (15), guide grooves (18) are formed in the bottom plate (1) and the placing frame (2), and the guide rod (19) is slidably inserted in the guide grooves (18).

7. The conduit fixing device for the liquid chromatograph according to claim 1, wherein a mounting plate (10) is fixed to both sides of the base plate (1), and a mounting hole (11) is formed in a top portion of the mounting plate (10).