CN212657452U

CN212657452U - Portable gas chromatograph

Info

Publication number: CN212657452U
Application number: CN202020848720.4U
Authority: CN
Inventors: 陈建东; 宋肖; 吕红皊; 龙丹
Original assignee: Zhenjiang East China Safety Research Institute Co ltd
Current assignee: Zhenjiang East China Safety Research Institute Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-03-05
Anticipated expiration: 2030-05-22

Abstract

The utility model discloses a portable gas chromatograph relates to chromatograph technical field. The utility model comprises that; the base, the top fixedly connected with locating plate of base, first channel has all been seted up to the both sides of base bottom, the inside dwang of having installed of first channel, support piece the utility model discloses an at first channel internal rotation there is the dwang, the teeth of a cogwheel of dwang top and the first rack toothing that support piece top is connected, thereby when making the position of dwang adjustment universal wheel subassembly, support piece stretches out from the channel, stability has been strengthened, thereby make the removal that the chromatograph can be more convenient, the handspike is through rotating first spacing subassembly, make the press bar pop out with the tension of first spring, thereby drive a plurality of gears, the rack drive, make the slider can the up-and-down motion, with the spacing relation of handspike cancellation, thereby reduce occupation space, it is more convenient to make.

Description

Portable gas chromatograph

Technical Field

The utility model belongs to the technical field of the chromatograph, especially, relate to a portable gas chromatograph.

Background

A chromatograph is an apparatus for performing chromatographic separation analysis. Comprises a sample introduction system, a detection system, a recording and data processing system, a temperature control system, a mobile phase control system and the like. Modern chromatographs have the characteristics of high stability, sensitivity, versatility, high degree of automation and the like. There are gas chromatography, liquid chromatography, gel chromatography, and the like. These chromatographs are widely used for analyzing a certain content of a chemical product or a polymer material, and gel chromatography can also measure the molecular weight and distribution of the polymer material.

Most of the existing chromatographs need to be manually moved, the workload of workers is increased when the existing chromatographs move, and most of the common transportation equipment occupies too much space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable gas chromatograph, there is the dwang through at first channel internal rotation, the teeth of a cogwheel of dwang top and the first rack toothing that support piece top is connected, thereby when making the position of dwang adjustment universal wheel subassembly, support piece stretches out from the channel, stability has been strengthened, thereby make the removal that the chromatograph can be more convenient, the handspike is through rotating first spacing subassembly, make the pressure lever pop out with the tension of first spring, thereby drive a plurality of gears, rack drive, make the slider can up-and-down motion, with the spacing relation of handspike cancellation, thereby reduce occupation space, it is more convenient to make the operation, current technical problem has been solved.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

a portable gas chromatograph comprising: a base; a positioning plate is fixedly connected above the base, first channels are formed in two sides of the bottom of the base, a rotating rod and a supporting piece are arranged in each first channel, gear teeth are arranged above the rotating rod, a universal wheel assembly is fixedly connected below the rotating rod, a first rack is connected above the supporting piece, and the gear teeth are meshed with the first rack; the positioning plate is provided with a second channel and a third channel, the second channel is positioned above the third channel and communicated with the third channel, and a hand push rod is rotatably connected in the third channel; a pressing column, a second rack and a third rack are in sliding fit in the second channel, a first gear and a second gear are in rotating fit in the second channel, a baffle is fixedly connected to the peripheral side of the pressing column, a first spring is matched to the peripheral side of the pressing column, the first spring is located on one side of the baffle, and a sliding block is fixedly connected below the third rack; a third gear meshed with the second rack is fixed on the pressing column, wherein the second rack, the first gear, the second gear and the third rack are meshed in sequence; one side threaded connection of locating plate has first spacing subassembly, and first spacing subassembly is located the top of pressing the post.

Optionally, a limiting rod corresponding to the first spring is arranged below the second channel, a fourth channel is arranged inside the universal wheel assembly, a second limiting assembly is arranged inside the fourth channel, and a second spring is arranged between the second limiting assembly and the bottom of the fourth channel.

Optionally, an annular limiting plate corresponding to the baffle is arranged on the inner wall of the notch of the second channel.

Optionally, the cross section of the second channel is L-shaped, and a sliding groove matched with the sliding block is formed above the push rod.

Optionally, two gag lever posts are installed to the top of base, install the fixed plate between two gag lever posts, and the top fixedly connected with chromatograph body of fixed plate, chromatograph body include apron, display, controller, and the surface mounting of apron has the handle.

Optionally, the second channel and the third channel are both located on a side of the positioning plate away from the chromatograph body.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment has the dwang through the rotation in first channel way, the teeth of a cogwheel of dwang top and the first rack toothing that support piece top is connected, thereby when making the position of dwang adjustment universal wheel subassembly, support piece stretches out from the channel, stability has been strengthened, thereby make the removal that the chromatograph can be more convenient, the handspike is through rotating first spacing subassembly, make the pressure lever pop out with the tension of first spring, thereby drive a plurality of gears, the rack drive, make the slider can the up-and-down motion, with the spacing relation of handspike cancellation, thereby reduce occupation space, it is more convenient to make the operation.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a in fig. 2.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "middle", "length", "inner", etc. indicate positional or orientational relationships and are merely for convenience of description and simplicity of description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1-3, in the present embodiment, a portable gas chromatograph is provided, including: a base 1; a positioning plate 304 is fixedly connected above the base 1, first channels 2 are respectively arranged on two sides of the bottom of the base 1, a rotating rod 5 and a support member 6 are arranged in each first channel 2, gear teeth 7 are arranged above the rotating rod 5, a universal wheel assembly 305 is fixedly connected below the rotating rod 5, a first rack 8 is connected above the support member 6, and the gear teeth 7 are meshed with the first rack 8; the positioning plate 304 is provided with a second groove channel 3 and a third groove channel 4, the second groove channel 3 is positioned above the third groove channel 4, the second groove channel 3 is communicated with the third groove channel 4, and the hand push rod 108 is rotatably connected in the third groove channel 4; a pressing column 9, a second rack 103 and a third rack 106 are in sliding fit in the second channel 3, a first gear 105 and a second gear 301 are in rotating fit in the second channel 3, a baffle 101 is fixedly connected to the peripheral side of the pressing column 9, a first spring 102 is matched to the peripheral side of the pressing column 9, the first spring 102 is located on one side of the baffle 101, and a sliding block 107 is fixedly connected below the third rack 106; a third gear 104 engaged with the second rack 103 is fixed on the pressing column 9, wherein the second rack 103, the first gear 105, the second gear 301 and the third rack 106 are sequentially engaged; a first limiting component 308 is connected to one side of the positioning plate 304 through a screw thread, and the first limiting component 308 is located above the pressing column 9.

The application of one aspect of the embodiment is as follows: when using the chromatograph, firstly, the rotating rod 5 is rotated, the gear teeth above the rotating rod 5 are meshed with the first rack 8, so that the support piece 6 is driven to move, the support piece 6 extends out of the first channel 2 when the universal wheel assembly 305 contracts, then the first limiting component 308 is rotated, the first limiting component 308 and the pressing rod 9 are enabled to cancel limiting relation, the pressing rod 9 is enabled to pop out by the tension of the first spring 102, the third gear 104 is enabled to drive the second rack 103 to move, the second rack 103 is meshed with the first gear 105, the first gear 105 is meshed with the second gear 301, the second gear 301 is meshed with the third rack 106, so that the sliding block 107 and the hand push rod 108 slide out of the sliding groove, the handle on one side of the hand push rod 108 is pulled, the hand push rod 108 rotates out of the third channel 4, and the chromatograph can be moved by pushing the handle.

Have dwang 5 through the rotation in first channel 2, the teeth of a cogwheel 7 of dwang 5 top meshes with the first rack 8 that support piece 6 top is connected, thereby when making the position of dwang 5 adjustment universal wheel subassembly 305, support piece 6 stretches out from the channel, stability has been strengthened, thereby make the removal that the chromatograph can be more convenient, handspike 108 is through rotating first spacing subassembly 308, the messenger pops out with the tension of first spring 102 according to depression bar 9, thereby drive a plurality of gears, the rack drive, make slider 107 can up-and-down motion, with the spacing relation of handspike 108 cancellation, thereby reduce occupation space, it is more convenient to make the operation.

In an aspect of this embodiment, a limiting rod corresponding to the first spring 102 is disposed below the second channel 3, a fourth channel 309 is disposed inside the universal wheel assembly 305, a second limiting component 306 is mounted inside the fourth channel 309, a second spring 307 is mounted between the bottom of the second limiting component 306 and the bottom of the fourth channel 309, the second limiting component 306 is pressed to enable the second spring 307 of the second limiting component 306, the second limiting component 306 compresses the first spring 102 to a limiting block below the second channel 3, the structure of the universal wheel assembly 305 is more stable, the universal wheel assembly 305 is convenient to position, and the universal wheel assembly 305 is prevented from being retracted into the first channel 2 under the action of external force.

In one aspect of the present embodiment, an annular stopper plate corresponding to the baffle 101 is provided on the inner wall at the notch of the second chute 3. The annular limiting plate limits the movement of the baffle 101, so that the limiting effect is achieved.

In one aspect of the present embodiment, the second channel 3 has an L-shaped cross section, and a sliding slot adapted to the sliding block 107 is formed above the push rod 108.

In one aspect of the present embodiment, two limiting rods 302 are mounted above the base 1, a fixing plate 303 is mounted between the two limiting rods 302, a chromatograph body 109 is fixedly connected above the fixing plate 303, the chromatograph body 109 includes a cover plate 201, a display 202, and a controller 203, and a handle 501 is mounted on a surface of the cover plate 201. The both sides of gag lever post 302 are seted up with the recess of fixed plate 303 looks adaptation, and pulling handle 501 drives apron 201 motion, puts into the chromatograph to the article that need detect.

In one aspect of the present embodiment, the second slot 3 and the third slot 4 are located on the side of the positioning plate 304 away from the chromatograph body 109.

The above embodiments may be combined with each other.

It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are only used for distinguishing features, and do not have an actual order or meaning, and the present application is not limited thereto.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A portable gas chromatograph, comprising: a base (1);

a positioning plate (304) is fixedly connected above the base (1), first channels (2) are formed in two sides of the bottom of the base (1), a rotating rod (5) and a supporting piece (6) are arranged in each first channel (2), gear teeth (7) are arranged above the rotating rod (5), a universal wheel assembly (305) is fixedly connected below the rotating rod (5), a first rack (8) is connected above the supporting piece (6), and the gear teeth (7) are meshed with the first rack (8); the positioning plate (304) is provided with a second channel (3) and a third channel (4), the second channel (3) is positioned above the third channel (4), the second channel (3) is communicated with the third channel (4), and the third channel (4) is rotatably connected with a hand push rod (108);

a pressing column (9), a second rack (103) and a third rack (106) are in sliding fit in the second channel (3), a first gear (105) and a second gear (301) are in rotating fit in the second channel (3), a baffle (101) is fixedly connected to the peripheral side of the pressing column (9), a first spring (102) is matched to the peripheral side of the pressing column (9), the first spring (102) is located on one side of the baffle (101), and a sliding block (107) is fixedly connected to the lower portion of the third rack (106); a third gear (104) meshed with the second rack (103) is fixed on the pressing column (9), wherein the second rack (103), the first gear (105), the second gear (301) and the third rack (106) are meshed in sequence;

one side of the positioning plate (304) is in threaded connection with a first limiting component (308), and the first limiting component (308) is positioned above the pressing column (9).

2. The portable gas chromatograph of claim 1, wherein a stop lever corresponding to the first spring (102) is disposed below the second channel (3), a fourth channel (309) is disposed inside the universal wheel assembly (305), a second stop assembly (306) is disposed inside the fourth channel (309), and a second spring (307) is disposed between the second stop assembly (306) and the bottom of the fourth channel (309).

3. A portable gas chromatograph according to claim 1, characterized in that the inner wall of the mouth of the second channel (3) is provided with an annular stop plate corresponding to the baffle (101).

4. The portable gas chromatograph of claim 1, wherein the second channel (3) has an "L" shaped cross section, and a sliding slot adapted to the sliding block (107) is formed above the hand-push rod (108).

5. The portable gas chromatograph of claim 1, wherein two position-limiting rods (302) are mounted above the base (1), a fixing plate (303) is mounted between the two position-limiting rods (302), a chromatograph body (109) is fixedly connected above the fixing plate (303), the chromatograph body (109) comprises a cover plate (201), a display (202) and a controller (203), and a handle (501) is mounted on the surface of the cover plate (201).

6. A portable gas chromatograph according to claim 1, characterized in that the second channel (3) and the third channel (4) are located on the side of the locating plate (304) remote from the chromatograph body (109).