CN213145780U

CN213145780U - Safety evaluation is with supporting base that is used for gas chromatography-mass spectrometer

Info

Publication number: CN213145780U
Application number: CN202021348197.5U
Authority: CN
Inventors: 孙红敏
Original assignee: Anhui Ruixiang Safety And Environmental Protection Consulting Co ltd
Current assignee: Anhui Ruixiang Safety And Environmental Protection Consulting Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2021-05-07
Anticipated expiration: 2030-07-10

Abstract

The utility model belongs to the technical field of gas chromatograph-mass spectrometer, especially, a support base for gas chromatograph-mass spectrometer for safety evaluation, including base and the gas chromatograph-mass spectrometer who fixes at its top, the bottom of base is fixed with two sets of first fixed plates along its central axis symmetric distribution, one side that two sets of first fixed plates are close to each other all slides and has cup jointed first backup pad, the one end that two sets of first backup pads are close to each other all is fixed with damper, be provided with slide mechanism between two sets of damper, damper includes the first bracing piece fixed with first backup pad, the top of first bracing piece slides and has cup jointed the first rack of hollow structure that is located above the first backup pad, the top of first rack is fixed with the first spring fixed with the base bottom; the utility model discloses can carry out the shock attenuation buffering to it when the gas chromatography/mass spectrometer removes, avoid the gas chromatography/mass spectrometer to damage, prolong the life of gas chromatography/mass spectrometer, reduce staff's intensity of labour.

Description

Safety evaluation is with supporting base that is used for gas chromatography-mass spectrometer

Technical Field

The utility model relates to a gas chromatography-mass spectrometer technical field especially relates to a safety evaluation is with a support base that is used for gas chromatography-mass spectrometer.

Background

The gas chromatograph/mass spectrometer refers to an apparatus in which a gas chromatograph and a mass spectrometer are used in combination. Mass spectrometry can carry out effective qualitative analysis, but cannot analyze complex organic compounds; chromatography is an effective method for separating and analyzing organic compounds, and is particularly suitable for quantitative analysis of organic compounds, but qualitative analysis is difficult. Therefore, the effective combination of the two must provide a highly effective qualitative and quantitative analysis tool for chemists and biochemists to carry out complex organic compounds. The technology combining two or more methods is called as a combined technology, but the existing gas chromatograph-mass spectrometer is large in size, inconvenient to move or fix, poor in flexibility, free of a buffering function, and easy to be influenced by a vibration effect in the moving process, and the service life of the gas chromatograph-mass spectrometer can be shortened, so that a supporting base for the gas chromatograph-mass spectrometer is needed for safety evaluation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pair of safety evaluation is with a support base that is used for gas chromatography-mass spectrometer, has solved gas chromatography-mass spectrometer absorbing problem when removing.

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

a supporting base for a gas chromatograph-mass spectrometer for safety evaluation comprises a base and the gas chromatograph-mass spectrometer fixed on the top of the base, wherein two groups of first fixing plates symmetrically distributed along the central axis of the base are fixed at the bottom of the base, a first supporting plate is sleeved on one side, close to each other, of the two groups of first fixing plates in a sliding manner, a damping mechanism is fixed at one end, close to each other, of the two groups of first supporting plates, a sliding mechanism is arranged between the two groups of damping mechanisms, each damping mechanism comprises a first supporting rod fixed with the first supporting plate, a first rack of a hollow structure and located above the first supporting plate is sleeved on the top of the first supporting rod in a sliding manner, a first spring fixed with the bottom of the base is fixed at the top of the first rack, a first gear is meshed on one side, far away from each other, of the two groups of first racks, and a second supporting rod of an L-shaped structure and fixed with the first supporting plate is fixedly connected, two sets of one side that first gear kept away from each other all meshes hollow structure's second rack, and the top and the base of second rack are fixed, the inside of second rack slides and has cup jointed the third bracing piece fixed with first backup pad top, be fixed with the second spring between the top inner wall that the third bracing piece stretched into the one end of second rack and second rack.

Preferably, slide mechanism is including being located the second backup pad between two sets of first bracing pieces, and the second backup pad cup joints with first bracing piece slip, and the second backup pad is located the below of first rack, and the bottom of second backup pad is fixed with two sets of third bracing pieces along its central axis symmetric distribution, and the bottom of third bracing piece is fixed with the universal wheel.

Preferably, the top of the second supporting plate is fixed with two groups of second sliding blocks which are symmetrically distributed along the central axis of the second supporting plate, the second sliding blocks are rotatably connected with a first connecting rod, the other end of the first connecting rod is rotatably connected with a first sliding block, and a screw rod is sleeved on the first sliding block in a threaded manner.

Preferably, the two sets of screw rods are respectively movably sleeved with a third support plate fixed to the bottom of the base at one end far away from each other, motors fixed to the bottom of the base are arranged on one sides of the two sets of third support plates close to each other, a worm is fixed to the output end of each motor, and a second gear fixedly connected to the outer ring of each screw rod is meshed with each worm.

Preferably, the bottom of the second support rod is fixed to the top of the first support plate, and the ends of the two sets of screws 5 close to each other are fixed, and the thread directions of the two sets of screws 5 are opposite.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model moves the gas chromatograph-mass spectrometer through the motor, the worm and the sliding mechanism, reduces the labor intensity of workers, and folds up the universal wheels when the gas chromatograph-mass spectrometer does not need to be moved, and fixes the gas chromatograph-mass spectrometer through the first support rod; simultaneously make the gas chromatography-mass spectrometer can carry out the shock attenuation buffering to it when removing through damper, avoid the gas chromatography-mass spectrometer wearing and tearing etc. to appear in the removal process, prolonged the life of gas chromatography-mass spectrometer, reduced economic loss.

Drawings

FIG. 1 is the utility model provides a safety evaluation is with the structural schematic of a support base that is used for gas chromatography-mass spectrometer.

Fig. 2 is a schematic structural view of the first gear and the first spring according to the present invention.

Fig. 3 is a schematic structural diagram of the motor and the worm according to the present invention.

Reference numbers in the figures: 1. a base; 2. a gas chromatograph-mass spectrometer; 3. a first fixing plate; 4. a first support plate; 5. a damping mechanism; 6. a first support bar; 7. a sliding mechanism; 8. a first rack; 9. A first spring; 10. a first gear; 11. a second support bar; 12. a second rack; 13. a third support bar; 14. a second spring; 15. a screw; 16. a first connecting rod; 17. a second support plate; 18. a universal wheel; 19. a first slider; 20. a second gear; 21. a worm; 22. a motor; 23. and a third support plate.

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.

Referring to fig. 1-3, a supporting base for a gas chromatograph-mass spectrometer for safety evaluation comprises a base 1 and a gas chromatograph-mass spectrometer 2 fixed on the top of the base 1, wherein two groups of first fixing plates 3 symmetrically distributed along the central axis of the base 1 are fixed on the bottom of the base 1, first supporting plates 4 are slidably sleeved on the sides, close to each other, of the two groups of first fixing plates 3, damping mechanisms 5 are fixed on the ends, close to each other, of the two groups of first supporting plates 4, a sliding mechanism 7 is arranged between the two groups of damping mechanisms 5, each damping mechanism 5 comprises a first supporting rod 6 fixed with the first supporting plate 4, a first rack 8 of a hollow structure and positioned above the first supporting plate 4 is slidably sleeved on the top of the first supporting rod 6, a first spring 9 fixed with the bottom of the base 1 is fixed on the top of the first rack 8, and a first gear 10 is meshed on the side, far away from each other, of the two groups, a second support rod 11 of an L-shaped structure fixed with the first support plate 4 is fixedly connected to the inner ring of the first gear 10, a second rack 12 of a hollow structure is meshed with one side, away from each other, of each of the two groups of first gears 10, the top of the second rack 12 is fixed with the base 1, a third support rod 13 fixed with the top of the first support plate 4 is sleeved in the second rack 12 in a sliding mode, and a second spring 14 is fixed between one end, extending into the second rack 12, of the third support rod 13 and the inner wall of the top of the second rack 12; in the moving process, when bumping occurs, the bottom plate 1 drives the second rack 12 to move downwards, the second rack 12 drives the first fixing plate 3 to slide downwards along the first supporting plate 4 with the bottom plate 1, meanwhile, when sliding downwards, the second rack 12 extrudes the second spring 14, so that the second rack 12 is subjected to the resistance of the second spring 14 while sliding downwards along the first supporting rod 6, meanwhile, when moving downwards, the second rack 12 drives the first gear 10 to rotate, while rotating the first gear 10, the first rack 8 is driven to move upwards, while moving upwards, the first rack 8 extrudes the first spring 9, so that the first rack 8 is subjected to the resistance of the first spring 9 while moving upwards, thereby converting the energy generated during bumping into the elastic potential energy of the first spring 9 and the second spring 14, thereby damping the gas chromatograph-mass spectrometer 2 on the bottom plate 1 and the bottom plate 1, the damage of the gas chromatograph-mass spectrometer 2 during movement is avoided, the economic loss is reduced, and the labor intensity of workers is reduced.

Further, the sliding mechanism 7 comprises a second supporting plate 17 positioned between the two groups of first supporting rods 6, the second supporting plate 17 is in sliding sleeve connection with the first supporting rods 6, the second supporting plate 17 is positioned below the first rack 8, two groups of third supporting rods symmetrically distributed along the central axis of the two groups of third supporting rods are fixed at the bottom of the second supporting plate 17, and universal wheels 18 are fixed at the bottom of the third supporting rods; two sets of first sliders 19 drive the first connecting rod 16 to deflect when being close to each other, so that the first connecting rod 16 enables the second supporting plate 17 to slide downwards along the first supporting rod 6, thereby enabling the first supporting rod 6 to be separated from the ground, the universal wheel is in contact with the ground, and then the bottom plate 1 is pushed to move the gas chromatograph-mass spectrometer 2.

Particularly, two groups of second sliders symmetrically distributed along the central axis of the second slider are fixed at the top of the second support plate 17, the second sliders are rotatably connected with a first connecting rod 16, the other end of the first connecting rod 16 is rotatably connected with a first slider 19, and the first slider 19 is in threaded sleeve connection with a screw 15; the two sets of first sliding blocks 19 are moved away from each other or closer to each other by the threaded rod 15, thereby deflecting the first connecting rod 16.

It is worth to be noted that the ends of the two groups of screws 15 far away from each other are movably sleeved with third supporting plates 23 fixed to the bottom of the base 1, the sides of the two groups of third supporting plates 23 close to each other are respectively provided with a motor 22 fixed to the bottom of the base 1, the output end of the motor 22 is fixed with a worm 21, and the worm 21 is engaged with a second gear 20 fixedly connected to the outer ring of the screw 15; the worm 21 is driven by the motor 22 to rotate, so that the universal wheel is pushed out or retracted, and the third support plate 23 supports and fixes the screw rod 15, so that the sliding mechanism 7 is supported and fixed.

In addition, the bottom of the second support rod 11 is fixed with the top of the first support plate 4, and the ends of the two sets of screws 15 close to each other are fixed, and the thread directions of the two sets of screws 15 are opposite; the screw threads of the two screw rods 15 rotate in opposite directions, so that the two first sliding blocks 19 move away from each other or approach each other, and the universal wheel is retracted or pushed out.

The working principle is as follows: when the gas chromatograph-mass spectrometer 2 is moved, firstly, the motor 22 is started, the motor 22 drives the worm 21 to rotate, the worm 21 drives the second gear 20 to rotate, the second gear 20 drives the screw rods 15 to rotate, the two sets of screw rods 15 rotate to enable the two sets of first sliding blocks 19 to approach each other, the two sets of first sliding blocks 19 drive the first connecting rods 16 to deflect while approaching each other, so that the first connecting rods 16 enable the second supporting plate 17 to slide downwards along the first supporting rods 6, so that the first supporting rods 6 are separated from the ground, the universal wheels are in contact with the ground, then the bottom plate 1 is pushed, the gas chromatograph-mass spectrometer 2 is moved, in the moving process, when bumping, the bottom plate 1 drives the second rack 12 to move downwards, the first fixing plate 3 is driven by the bottom plate 1 to slide downwards along the first supporting plate 4, and meanwhile, when the second rack 12 slides downwards, the second spring 14 is squeezed, thereby make second rack 12 receive the resistance of second spring 14 when sliding down along first bracing piece 6, simultaneously, second rack 12 is when the lapse, can drive first gear 10 and rotate, can drive first rack 8 rebound when first gear 10 rotates, extrude first spring 9 when first rack 8 rebound, make first rack 8 rebound receive the resistance of first spring 9 when the rebound, thereby the energy that produces when jolting converts into the elasticity potential energy of first spring 9 and second spring 14, thereby carry out the shock attenuation to gas chromatograph-mass spectrometer 2 on bottom plate 1 and the bottom plate 1, avoid gas chromatograph-mass spectrometer 2 to damage when removing, economic loss has been reduced, and staff's intensity of labour has been reduced.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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. A supporting base for a gas chromatograph-mass spectrometer for safety evaluation comprises a base (1) and a gas chromatograph-mass spectrometer (2) fixed at the top of the base, and is characterized in that two groups of first fixing plates (3) symmetrically distributed along the central axis of the base are fixed at the bottom of the base (1), a first supporting plate (4) is sleeved on one side, close to each other, of the two groups of first fixing plates (3) in a sliding mode, a damping mechanism (5) is fixed at one end, close to each other, of the two groups of first supporting plates (4), a sliding mechanism (7) is arranged between the two groups of damping mechanisms (5), each damping mechanism (5) comprises a first supporting rod (6) fixed with the first supporting plate (4), a first rack (8) of a hollow structure and located above the first supporting plate (4) are sleeved on the top of the first supporting rod (6) in a sliding mode, a first spring (9) fixed with the bottom of the base (1) is fixed at the top of the first rack (8), two sets of one side that first rack (8) kept away from each other all meshes has first gear (10), the inner circle rigid coupling of first gear (10) has second bracing piece (11) with the L type structure of first backup pad (4) fixed, and is two sets of one side that first gear (10) kept away from each other all meshes has hollow structure's second rack (12), and the top of second rack (12) is fixed with base (1), the inside slip of second rack (12) has cup jointed third bracing piece (13) fixed with first backup pad (4) top, be fixed with second spring (14) between third bracing piece (13) stretch into the one end of second rack (12) and the top inner wall of second rack (12).

2. The support base for the gas chromatograph-mass spectrometer for safety evaluation according to claim 1, wherein the sliding mechanism (7) comprises a second support plate (17) located between two sets of first support rods (6), the second support plate (17) is slidably sleeved with the first support rods (6), the second support plate (17) is located below the first rack (8), two sets of third support rods symmetrically distributed along the central axis of the second support plate (17) are fixed at the bottom of the second support plate (17), and universal wheels (18) are fixed at the bottom of the third support rods.

3. The support base for the gas chromatograph-mass spectrometer for safety assessment according to claim 2, wherein two sets of second sliders symmetrically distributed along the central axis of the second support plate (17) are fixed on the top of the second support plate, the second sliders are rotatably connected with the first connecting rod (16), the other end of the first connecting rod (16) is rotatably connected with the first slider (19), and the first slider (19) is sleeved with the screw (15) in a threaded manner.

4. The supporting base for the gas chromatograph-mass spectrometer for safety evaluation according to claim 3, wherein one ends of the two groups of screws (15) far away from each other are movably sleeved with third supporting plates (23) fixed to the bottom of the base (1), one sides of the two groups of third supporting plates (23) close to each other are respectively provided with a motor (22) fixed to the bottom of the base (1), the output end of the motor (22) is fixed with a worm (21), and the worm (21) is meshed with a second gear (20) fixedly connected with the outer ring of the screw (15).

5. A support base for a gas chromatograph-mass spectrometer for safety assessment according to claim 1, wherein the bottom of the second support rod (11) is fixed with the top of the first support plate (4), and the ends of the two sets of screws (15) close to each other are fixed, and the screw directions of the two sets of screws (15) are opposite.