CN210894231U

CN210894231U - Portable gas chromatograph

Info

Publication number: CN210894231U
Application number: CN201921918235.3U
Authority: CN
Inventors: 陈清谊; 陈玉沼
Original assignee: Fujian Donghai Testing Technology Co ltd
Current assignee: Fujian Donghai Testing Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-06-30
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a portable gas chromatograph, which comprises a box body and a handle, wherein the left side wall and the right side wall of the box body are respectively provided with a lug, each lug is internally provided with a rotating shaft, the two end parts of the handle are respectively sleeved on each lug, and is respectively and fixedly connected with each rotating shaft, the other end of each rotating shaft extends into the box body, a cam is arranged at the end part of each rotating shaft, a pressing strip is arranged below each cam, the two pressing strips are arranged in parallel, the lower part of each pressing strip is provided with two trundles, the bottom of the box body is provided with four accommodating grooves for accommodating the trundles, the upper parts of the trundles penetrate through the bottom plate of the box body, the upper part of each caster is sleeved with a return spring; the utility model discloses simple structure, convenient removal and portable.

Description

Portable gas chromatograph

Technical Field

The utility model relates to a gas chromatograph technical field especially relates to a portable gas chromatograph.

Background

The principle of the chromatographic instrument is that the mixture is separated by utilizing the difference of boiling point, polarity and adsorption property of the material, the sample to be analyzed is gasified in a gasification chamber and then is carried into a chromatographic column by inert gas, the column contains a liquid or solid fixed phase, each component in the sample tends to form distribution or adsorption balance between the mobile phase and the fixed phase, along with the flowing of carrier gas, the components of the sample are repeatedly distributed or adsorbed and desorbed in the movement, the component with high distribution concentration in the carrier gas firstly flows out of the chromatographic column, and the component with high distribution concentration in the fixed phase flows out after being distributed. Traditional gas chromatograph is not portable, needs the user to hold and removes, nevertheless excessively consumes manpower and materials, the not convenient to use person's of being convenient for use.

The prior patent publication numbers are: CN208672578U published date is: 2019-03-29, which discloses a portable gas chromatograph, comprising a box body, wherein the bottom of the inner cavity of the box body is provided with four groups of adjusting chambers through L-shaped clapboards, the bottom of each adjusting chamber is provided with a rectangular opening, a concave block is arranged in each rectangular opening, a limiting plate is arranged between the left inner wall and the right inner wall of each adjusting chamber, the top of each limiting plate is inserted with a worm, the bottom of each worm penetrates through the concave block and extends to the lower part of the concave block to be provided with a universal wheel, the inner cavity of each adjusting chamber is provided with a rotating rod, one end of each rotating rod, far away from the box body, is connected with the inner wall of one side, far away from the inner wall of the box body, of each adjusting chamber, through a bearing, one end of each rotating rod, close to the box body, penetrates through one side, close to the inner wall of the box, the opening is internally provided with a pull rod, the left side of the pull rod is provided with a limiting saw blade, the left side of the containing box is provided with a limiting device, a limiting block is arranged between the inner wall of the right side of the containing box and the right side of the pull rod, the rotating rod is driven to rotate by rotating the rotating disc, the rotating rod drives the turbine to rotate, the turbine rotates to drive the worm to move up and down, so that the universal wheel is driven by the worm to stretch out and contract, when the gas chromatograph needs to be moved, the universal wheel is stretched out, the handle is pulled leftwards, the pull rod is drawn out, the gas chromatograph is moved to the installation part by pulling the pull rod, the phenomenon that the gas chromatograph is bent to push is avoided, the universal wheel is folded when the gas chromatograph is used for working, the rubber support legs are used for fixing, the gas chromatograph placing stability can not be influenced when, needs multi-point adjustment, has complex operation and the like.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a portable gas chromatograph.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a portable gas chromatograph comprises a box body and a handle, wherein the left side wall and the right side wall of the box body are respectively provided with a lug, a rotating shaft is arranged in each lug, the two end parts of the handle are respectively sleeved on each lug, and is respectively and fixedly connected with each rotating shaft, the other end of each rotating shaft extends into the box body, a cam is arranged at the end part of each rotating shaft, a pressing strip is arranged below each cam, the two pressing strips are arranged in parallel, the lower part of each pressing strip is provided with two trundles, the bottom of the box body is provided with four accommodating grooves for accommodating the trundles, the upper parts of the trundles penetrate through the bottom plate of the box body, and the upper parts of the trundles are all sleeved with return springs, and the pressing strips are elastically connected with the bottom plate of the box body through the return springs.

Preferably, each pressing strip is provided with an arc-shaped notch for limiting, and the shape of the arc-shaped notch is matched with that of the convex part of the cam.

Preferably, each of the storage grooves is square, and each of the casters is a universal wheel.

Preferably, the middle part of the caster is also provided with a limit strip, and each containing groove is internally provided with a guide groove matched with the two end parts of each limit strip.

Preferably, the middle part of the handle is sleeved with a rubber sleeve with an anti-skidding function.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

the utility model provides a pair of portable gas chromatograph, place the box when the laboratory bench, can also be used for supporting instrument formation certain angle of elevation when adjusting handle to box lower part, make things convenient for the operation instrument, when upwards rotating of handle, the axis of rotation of box both sides is rotatory, the cam in the drive box rotates, support the layering and push down, extrude the groove of accomodating of bottom half with each truckle, it passes through truckle steady movement to drag the box, reset spring possesses certain cushioning effect simultaneously, it is serious if the highway section that drags jolts, can reduce the influence of jolting and causing the instrument through shock-absorbing structure's effect, avoid the instrument to damage.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a side sectional view of the present invention;

fig. 3 is a schematic bottom view of the present invention;

in the figure: the device comprises a box body 1, a lifting handle 2, a rotating shaft 3, a convex block 4, a rubber sleeve 5, a cam 6, a pressing strip 7, a caster 8, a return spring 9, a limiting strip 10, an accommodating groove 11, a guide groove 12 and an arc-shaped notch 13.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following drawings and embodiments are connected to further illustrate the present invention in detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Examples

Referring to fig. 1-3, the technical solution adopted by the present invention is: a portable gas chromatograph comprises a box body 1 and a handle 2, wherein the left side wall and the right side wall of the box body 1 are respectively provided with a convex block 4, each convex block 4 is internally provided with a rotating shaft 3, the two end parts of the handle 2 are respectively sleeved on each convex block 4 and are respectively fixedly connected with each rotating shaft 3, the other end of each rotating shaft 3 extends into the box body 1, the end part of each rotating shaft 3 is provided with a cam 6, a pressing strip 7 is arranged below each cam 6, the two pressing strips 7 are arranged in parallel, the lower part of each pressing strip 7 is respectively provided with two trundles 8, the bottom of the box body 1 is provided with four accommodating grooves for accommodating each trundle 8, the upper part of each trundle 8 penetrates through the bottom plate of the box body 1 and is fixedly connected with the corresponding pressing strip 7, each the upper portion of truckle 8 all is equipped with reset spring 9, each layering 7 all is through each reset spring 9 with the bottom plate elastic connection of box 1, the middle part of truckle 8 still all is equipped with a spacing 10, each accomodate in the groove 11 all be equipped with each spacing 10 both ends assorted guide way 12, each all seted up one on the layering 7 and be used for spacing arc notch 13, just arc notch 13 with the shape at the salient position of cam 6 matches, the middle part cover of handle 2 is equipped with rubber sleeve 5 of an antiskid function.

In this embodiment, the accommodating grooves 11 are all in a square shape, and the caster 8 is a universal wheel; layering 7 receives cam 6's effect, pushes down reset spring 9, releases truckle 8 simultaneously, and the spacing strip 10 at truckle 8 middle part is followed the guide way 12 motion of accomodating in the groove 11, has avoided truckle 8 atress uneven and the damage appears, has increased the stability of device.

When the device is used, the box body 1 is placed on a laboratory bench, and the lifting handle 2 is adjusted to the lower part of the box body, so that the device can be supported to form a certain elevation angle, and the device is convenient to operate; when needing to remove, upwards rotate through handle 2, the axis of rotation 3 of box both sides is rotatory, drive the interior cam 6 rotation of box 1, support and press layering 7 to push down, extrude each truckle 8 the groove 11 of accomodating of box 1 bottom, drag box 1 through truckle 8 steady movement, reset spring 9 possesses certain cushioning effect simultaneously, if the highway section that drags jolts seriously, can reduce the influence of jolting and causing the instrument through shock-absorbing structure's effect, avoid the instrument to damage.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A portable gas chromatograph, characterized by: comprises a box body and a handle, wherein the left side wall and the right side wall of the box body are respectively provided with a convex block, a rotating shaft is arranged in each convex block, the two end parts of the handle are respectively sleeved on each convex block, and is respectively and fixedly connected with each rotating shaft, the other end of each rotating shaft extends into the box body, a cam is arranged at the end part of each rotating shaft, a pressing strip is arranged below each cam, the two pressing strips are arranged in parallel, the lower part of each pressing strip is provided with two trundles, the bottom of the box body is provided with four accommodating grooves for accommodating the trundles, the upper parts of the trundles penetrate through the bottom plate of the box body, and the upper parts of the trundles are all sleeved with return springs, and the pressing strips are elastically connected with the bottom plate of the box body through the return springs.

2. A portable gas chromatograph according to claim 1, characterized in that: each pressing strip is provided with an arc-shaped notch for limiting, and the arc-shaped notch is matched with the shape of the convex part of the cam.

3. A portable gas chromatograph according to claim 1, characterized in that: each it all is the square shape to accomodate the groove, and each the truckle is the universal wheel.

4. A portable gas chromatograph according to claim 1, characterized in that: the middle part of truckle still all is equipped with a spacing, each accomodate the inslot all be equipped with each spacing both ends assorted guide way.

5. A portable gas chromatograph according to claim 1, characterized in that: the middle part cover of handle is equipped with the rubber sleeve of an antiskid function.