CN214310335U

CN214310335U - Online gas chromatograph case

Info

Publication number: CN214310335U
Application number: CN202120369315.9U
Authority: CN
Inventors: 段晶晶; 蓝邦; 曹珏然; 王楚雄; 刘宇宬; 李韬; 钟楠; 冯发达
Original assignee: Jiaying University
Current assignee: Jiaying University
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-09-28
Anticipated expiration: 2031-02-08

Abstract

The utility model belongs to the technical field of quick-witted case technique and specifically relates to an online gas chromatograph machine case, including the protection machine case, be equipped with gas chromatograph main part, drive mechanism, drive arrangement and elevating system in the protection machine case, the below of gas chromatograph main part is provided with its installation fixed plate of bearing, elevating system is connected with the installation fixed plate, drive arrangement, drive mechanism and elevating system link in proper order, the open-top portion of protection machine case is provided with the slip upper cover platform, the protection machine case is connected through flexible supporting mechanism with the slip upper cover platform. The utility model discloses following beneficial effect has: this online gas chromatograph machine case, it is swift convenient to use, need not additionally occupy other worker platforms again, saves space, and it is convenient to remove and can protect the instrument effectively.

Description

Online gas chromatograph case

Technical Field

The utility model belongs to the technical field of quick-witted case technique and specifically relates to an online gas chromatograph machine case.

Background

The gas chromatograph is an instrument for qualitatively and quantitatively analyzing a multi-component complex mixture by using a chromatographic separation technology and a detection technology. Can be generally used for analyzing heat-stable organic matters with the boiling point not more than 500 ℃ in soil, such as volatile organic matters, organic chlorine, organic phosphorus, polycyclic aromatic hydrocarbons, phthalate ester and the like;

most of gas chromatographs on the market at present are desktop type, and it is also inconvenient to remove, need artifical transport, cause the damage to the instrument easily, and the during operation need be placed on desktop or workstation moreover, needs extra occupation space.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, an online gas chromatograph cabinet is provided.

The utility model provides an online gas chromatograph machine case, includes the protection machine case, be equipped with gas chromatograph main part, drive mechanism, drive arrangement and elevating system in the protection machine case, the below of gas chromatograph main part is provided with its installation fixed plate of bearing, elevating system is connected with the installation fixed plate, drive arrangement, drive mechanism and elevating system link in proper order, the open-top department of protection machine case is provided with the slip upper cover platform, the protection machine case is connected through flexible supporting mechanism with the slip upper cover platform.

Preferably, flexible supporting mechanism includes slip gag lever post, flexible bracing piece and erection bracing seat, the erection bracing seat is installed at protection machine case lateral wall, the one end of flexible bracing piece is installed on the erection bracing seat, the slip gag lever post cup joints the other end at flexible bracing piece, slip upper cover platform is provided with the spout, but slip gag lever post and spout sliding connection.

Preferably, the lifting mechanism comprises a lifting plate, a driving gear, a driven gear, an installation shell and a double-tooth rack fixed with the protection case, the installation shell is symmetrically installed at two ends of the bottom of the lifting plate, the upper end and the lower end of the double-tooth rack respectively penetrate through the lifting plate and the installation shell, the driving gear and the driven gear are rotatably installed inside the installation shell, gear teeth on two sides of the double-tooth rack are respectively meshed with the driving gear and the driven gear, and the driving gear is linked with the transmission mechanism.

Preferably, the transmission mechanism comprises an installation plate, a transmission shaft and a driving shaft, the installation plate is installed at the bottom of the lifting plate, the transmission shaft is rotatably installed on the installation plate, two ends of the transmission shaft are respectively connected with driving gears on two sides of the protection case, a first bevel gear is installed in the middle of the transmission shaft, a second bevel gear is installed on the driving shaft, the first bevel gear is meshed with the second bevel gear, and the driving shaft is linked with the driving device.

Preferably, the driving device is fixed at the bottom of the lifting plate, the driving device is a motor, and an output shaft of the motor is connected with the driving shaft through a coupler.

Preferably, a damping device is installed between the installation fixing plate and the lifting plate.

Preferably, a control switch and a power supply are further arranged in the protection case, the power supply is installed below the lifting plate, and the power supply, the control switch and the driving device are electrically connected in sequence.

Preferably, the bottom of the protection case is provided with a universal wheel with a brake.

Advantageous effects

The online gas chromatograph case has the following effects:

1. when the gas chromatograph main body is used, the gas chromatograph main body arranged on the mounting fixing plate can be lifted out of the protective case for use under the action of the lifting mechanism, and the gas chromatograph main body can be taken into the protective case for storage and protection after use, so that the influence of external environments such as dust is reduced;

2. the top of the protective box body is provided with a sliding upper cover platform connected through a telescopic supporting mechanism, the sliding upper cover platform can slide to one side when in use, the telescopic supporting mechanism supports and limits the sliding upper cover platform in a sliding way, and other auxiliary equipment can be placed on the sliding upper cover platform, for example, a notebook computer can be placed on the sliding upper cover platform to enable data detected by gas chromatograph main equipment to be uploaded and analyzed on line;

3. the bottom of the protective case is provided with the universal wheels with the brakes, so that the equipment can be conveniently moved, and the labor force in the carrying process is reduced;

4. install damping device between installation fixed plate and the lifter plate, damping device can limit absorption vibrations and undulant and support the protection to the fixed gas chromatograph main part of installation on the installation fixed plate, avoids causing the damage to the instrument.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a front sectional view schematically illustrating an embodiment 1 of the present invention;

fig. 3 is a schematic sectional structure view of an elevating mechanism according to embodiment 1 of the present invention;

fig. 4 is a schematic right-side sectional structure view of embodiment 1 of the present invention;

the figures are labeled as follows:

the device comprises a protective case 1, a gas chromatograph main body 2, a control switch 3, a sliding upper cover platform 4, a telescopic supporting mechanism 5, a sliding limiting rod 51, a telescopic supporting rod 52, an installation supporting seat 53, a transmission mechanism 6, an installation plate 61, a transmission shaft 62, a driving shaft 63, a universal wheel with a brake 7, an elevating mechanism 8, a double-toothed rack 81, an elevating plate 82, a driving gear 83, a driven gear 84, an installation shell 85, a driving device 9, a power supply 10, an installation fixing plate 11, a coupler 12 and a damping device 13.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being either a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-4, including protection machine case 1, be equipped with gas chromatograph main part 2, drive mechanism 6, drive arrangement 9 and elevating system 8 in the protection machine case 1, the below of gas chromatograph main part 2 is provided with the installation fixed plate 11 of bearing it, elevating system 8 is connected with installation fixed plate 11, drive arrangement 9, drive mechanism 6 and elevating system 8 link in proper order, the top opening part of protection machine case 1 is provided with slip upper cover platform 4, protection machine case 1 is connected through flexible supporting mechanism 5 with slip upper cover platform 4. The up end of protection machine case 1 can also set up two guide rails that arrange along the direction that opens and shuts, and the lower terminal surface of slip upper cover platform 4 offers the recess with guide rail looks adaptation, and the cooperation of sliding is in order to guarantee the ride comfort of 4 horizontal migration of slip upper cover platform between guide rail and the recess.

The telescopic supporting mechanism 5 comprises a sliding limiting rod 51, a telescopic supporting rod 52 and an installation supporting seat 53, the installation supporting seat 53 is installed on the side wall of the protection case 1, one end of the telescopic supporting rod 52 is installed on the installation supporting seat 53, the sliding limiting rod 51 is sleeved at the other end of the telescopic supporting rod 52, the sliding upper cover platform 4 is provided with a sliding groove, and the sliding limiting rod 51 is connected with the sliding groove in a sliding mode.

In this embodiment, the sliding groove is provided on the side surface of the sliding upper lid platform 4 near the left side, and the purpose of the sliding groove is to make the sliding groove coincide with the minimum length part of the sliding limiting rod 51, so as to ensure that the sliding upper lid platform 4 can be completely closed. In the closing process of the protection case 1, force is applied to the sliding upper cover platform 4 in the closing direction, the sliding limiting rod 51 slides to the leftmost end of the sliding groove, and then the telescopic supporting rod 52 is stressed and compressed until the sliding upper cover platform 4 is completely closed with the protection case 1; in the opening process of the protection case 1, a force is applied to the sliding upper cover platform 4 in the opening direction, the sliding limiting rod 51 slides to the rightmost end of the sliding groove, and then the telescopic support rod 52 is stressed and stretched until the sliding upper cover platform 4 is completely opened with the protection case 1. The telescopic supporting mechanism 5 arranged in this way can support the sliding upper cover platform 4, so that the sliding upper cover platform 4 can bear certain load in the vertical direction, and the sliding upper cover platform 4 can be prevented from sliding down from the protection case 1.

The lifting mechanism 8 comprises a lifting plate 82, a driving gear 83, a driven gear 84, an installation shell 85 and a double-tooth rack 81 fixed with the protection case 1, the installation shell 85 is symmetrically installed at two ends of the bottom of the lifting plate 82, the upper end and the lower end of the double-tooth rack 81 penetrate through the lifting plate 82 and the installation shell 85 respectively, the driving gear 83 and the driven gear 84 are rotatably installed inside the installation shell 85, gear teeth on two sides of the double-tooth rack 81 are meshed with the driving gear 83 and the driven gear 84 respectively, and the driving gear 83 is linked with the transmission mechanism 6.

The double-toothed rack 81 and the protection case 1 are relatively fixed, the transmission mechanism 6 inputs torque to the driving gear 83, and the driving gear 83 and the driven gear 84 are respectively meshed with the double-toothed rack 81 installed in the vertical direction, so that the lifting mechanism 8 integrally moves in the vertical direction by the reaction force of the double-toothed rack 81 to the driving gear 83, and the installation fixing plate 11 connected with the lifting mechanism 8 and the gas chromatograph main body 2 move in the lifting direction. The mounting housings 85 respectively mounted at the two ends of the protection case 1 apply force to the mounting fixing plate 11, which is beneficial to improving the lifting stability compared with a single force-bearing point.

The transmission mechanism 6 comprises an installation plate 61, a transmission shaft 62 and a driving shaft 63, the installation plate 61 is installed at the bottom of the lifting plate 82, the transmission shaft 62 is rotatably installed on the installation plate 61, two ends of the transmission shaft 62 are respectively connected with the driving gears 83 on two sides of the protection case 1, a first bevel gear is installed in the middle of the transmission shaft 62, a second bevel gear is installed on the driving shaft 63, the first bevel gear is meshed with the second bevel gear, and the driving shaft 63 is linked with the driving device 9.

The driving device 9 is fixed at the bottom of the lifting plate 82, the driving device 9 is a motor, and an output shaft of the motor is connected with the driving shaft 63 through a coupler 12.

Since the transmission mechanism 6 needs to output torque to the driving gears 83 disposed at both ends of the protection housing 1, the transmission mechanism 6 is conventionally fixed outside the protection housing 1, and the output shaft of the motor is disposed on the coaxial side of the transmission shaft 62, but this design may increase the external dimension of the housing. For the overall structure is more compact, the transmission mechanism 6 adopts a bevel gear to transmit, and the bevel gear pair selects a proper transmission ratio according to actual requirements to serve as a speed reducer.

A damping device 13 is installed between the installation fixing plate 11 and the lifting plate 82. The damping means 13 may be any means with a dissipative movement energy, such as compression springs and rubber pads. In the working process of the lifting mechanism 8, contact impact can be generated in gaps among the gears, the impact can cause the vibration of the gas chromatograph main body 2, and the shock absorption device 13 can well absorb the impact generated by the gear meshing of the lifting mechanism 8, so that the lifting process is more stable; when the protection case 1 is pushed on a road with bad road conditions, the impact of the ground on the protection case 1 is also conducted to the energy of the shock absorption device 13 for absorbing the vibration, so that the shock absorption device 13 can support and protect the gas chromatograph main body 2 in the moving or lifting process of the equipment.

The protection machine case 1 is also internally provided with a control switch 3 and a power supply 10, the power supply 10 is arranged below the lifting plate 82, and the power supply 10, the control switch 3 and the driving device 9 are electrically connected in sequence. The control switch 3 may be installed at an upper portion of the right side of the inside of the protection casing 1 for manual manipulation, and the power source 10 may be installed at a lower side of the elevating plate 82 to save an inner space. The power supply 10 supplies power to the motor, and the on-off of a motor circuit is controlled by the control switch 3.

The bottom of the protection case 1 is provided with a universal wheel 7 with a brake. The universal wheels 7 with the brake are arranged at four corners of the bottom of the protection case 1, and the universal wheels 7 with the brake can enable equipment to be conveniently moved and fixedly placed at a certain position, so that the labor force in the carrying process is reduced.

The specific working principle is as follows:

the sliding upper cover platform 4 slides to the left, the sliding limiting rod 51 slides in a sliding groove formed in the front side of the sliding upper cover platform 4, the sliding upper cover platform 4 drives the telescopic supporting rod 52 to stretch through the sliding limiting rod 51 after sliding for a certain distance, and the sliding stopping is performed when the telescopic supporting rod 52 stretches to the maximum stroke. At this time, a switch button on the control switch 3 is pressed to enable the motor to start working, the motor rotates to drive the driving shaft 63 to rotate through the coupler 12, the driving shaft 63 drives the transmission shaft 62 to rotate through the meshing of the bevel gears, the transmission shaft 62 rotates to drive the driving gear 83 to rotate, and the driving gear 83 drives the lifting plate 82 and the installation fixing plate 11 to move in the vertical direction due to the fact that the double-tooth rack 81 and the protection case 1 are fixed, and therefore the lifting function of the gas chromatograph main body 2 is achieved.

It should be noted that in this embodiment, if the supporting strength of the telescopic supporting mechanism 5 to the sliding upper cover platform 4 is not enough, two telescopic supporting mechanisms 5 may be respectively disposed on two sides of the sliding upper cover platform 4; the motor is proposed to adopt a self-locking high-torque forward and reverse low-speed motor produced by Yixing science and technology company; the shock-absorbing device 13 is proposed to use a ZD type damping spring shock absorber by mingyu damping shock absorber company; the control switch 3 controls the motor to work by a method commonly used in the prior art.

Example 2

The difference from embodiment 1 is that the lifting plate 82, the mounting case 85 and the protection casing 1 are relatively fixed, the upper end of the double-toothed rack 81 is connected to the mounting fixing plate 11, and the damper 13 is disposed below the mounting fixing plate 11. The scheme adopted by the embodiment 1 is that the driving device 9 drives the lifting mechanism 8 to integrally lift through the transmission mechanism 6 so as to drive the gas chromatograph main body 2 to lift, and the scheme adopted by the embodiment 2 is that the driving device 9 only drives the mounting fixing plate 11 to lift so as to realize the lifting motion of the gas chromatograph main body 2, and the scheme of the embodiment 2 does not need to bear extra loads caused by the weights of the driving device 9, the power supply 10 and the transmission mechanism 6, so that the energy loss can be reduced.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides an online gas chromatograph machine case, its characterized in that, includes protection machine case (1), be equipped with gas chromatograph main part (2), drive mechanism (6), drive arrangement (9) and elevating system (8) in protection machine case (1), the below of gas chromatograph main part (2) is provided with its installation fixed plate of bearing (11), elevating system (8) are connected with installation fixed plate (11), drive arrangement (9), drive mechanism (6) and elevating system (8) link gradually, the top opening part of protection machine case (1) is provided with slip upper cover platform (4), protection machine case (1) is connected through flexible supporting mechanism (5) with slip upper cover platform (4).

2. The on-line gas chromatograph cabinet according to claim 1, wherein the telescopic support mechanism (5) comprises a sliding limit rod (51), a telescopic support rod (52) and an installation support seat (53), the installation support seat (53) is installed on a side wall of the protection cabinet (1), one end of the telescopic support rod (52) is installed on the installation support seat (53), the sliding limit rod (51) is sleeved on the other end of the telescopic support rod (52), the sliding upper cover platform (4) is provided with a sliding groove, and the sliding limit rod (51) is slidably connected with the sliding groove.

3. The on-line gas chromatograph cabinet according to claim 1, wherein the lifting mechanism (8) comprises a lifting plate (82), a driving gear (83), a driven gear (84), a mounting housing (85) and a double-toothed rack (81) fixed with the protective cabinet (1), the mounting housing (85) is symmetrically mounted at two ends of the bottom of the lifting plate (82), the upper end and the lower end of the double-toothed rack (81) respectively penetrate through the lifting plate (82) and the mounting housing (85), the driving gear (83) and the driven gear (84) are rotatably mounted inside the mounting housing (85), gear teeth at two sides of the double-toothed rack (81) are respectively engaged with the driving gear (83) and the driven gear (84), and the driving gear (83) is linked with the transmission mechanism (6).

4. The on-line gas chromatograph cabinet according to claim 3, wherein the transmission mechanism (6) comprises an installation plate (61), a transmission shaft (62) and a driving shaft (63), the installation plate (61) is installed at the bottom of the lifting plate (82), the transmission shaft (62) is rotatably installed on the installation plate (61), two ends of the transmission shaft (62) are respectively connected with the driving gears (83) at two sides of the protection cabinet (1), a first bevel gear is installed in the middle of the transmission shaft (62), a second bevel gear is installed on the driving shaft (63), the first bevel gear is engaged with the second bevel gear, and the driving shaft (63) is linked with the driving device (9).

5. The on-line gas chromatograph cabinet according to claim 4, wherein the driving device (9) is fixed at the bottom of the lifting plate (82), the driving device (9) is a motor, and an output shaft of the motor is connected with the driving shaft (63) through a coupling.

6. On-line gas chromatograph cabinet according to claim 4, characterized in that a damping device (13) is mounted between the mounting plate (11) and the lifting plate (82).

7. The on-line gas chromatograph cabinet according to claim 5, wherein a control switch (3) and a power supply (10) are further disposed in the protection cabinet (1), the power supply (10) is mounted below the lifting plate (82), and the power supply (10), the control switch (3) and the driving device (9) are electrically connected in sequence.

8. The on-line gas chromatograph cabinet according to claim 1, characterized in that the bottom of the protective cabinet (1) is equipped with universal wheels (7) with brakes.