CN217305034U

CN217305034U - Gas chromatograph

Info

Publication number: CN217305034U
Application number: CN202220108317.7U
Authority: CN
Inventors: 赵俊屹; 韩潇
Original assignee: Yisite Wuhan Biotechnology Co ltd
Current assignee: Yisite Wuhan Biotechnology Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-08-26
Anticipated expiration: 2032-01-17

Abstract

The utility model relates to a gas chromatograph technical field just discloses a gas chromatograph, including casing and instrument body, the instrument body is located the inside of casing, the inside of casing is provided with the lifting unit who is used for driving the instrument body and goes up and down, the inside of casing is provided with and is used for providing the power unit of power for lifting unit, lifting unit's inside is provided with and is used for the absorbing damper to instrument body, the top of casing is provided with dustproof subassembly, lifting unit includes that quantity is four and fixed connection is in the inside bearing of casing. This gas chromatograph possesses advantages such as protectiveness height, has solved and often can use gas chromatograph in current teaching, because gas chromatograph is bulky, and expensive, and one gas chromatograph body receives the damage when perhaps not using in handling, causes the problem of loss in the economy when influencing the progress of teaching easily.

Description

Gas chromatograph

Technical Field

The utility model relates to a gas chromatograph technical field specifically is a gas chromatograph.

Background

The principle of the gas chromatograph is mainly to utilize the differences of boiling points, polarities and adsorption properties of substances to realize the separation of a mixture, and the gas chromatograph can be generally used for analyzing organic matters which are thermally stable in soil and have the boiling points not more than 500 ℃, and has the advantages of rapidness, effectiveness, high sensitivity and the like.

The gas chromatograph can be frequently used in the current teaching, and because the gas chromatograph is large in size and expensive, the gas chromatograph is damaged in the carrying process or when not used, so that economic loss is caused while the progress of teaching is easily influenced, and the problem is solved by the gas chromatograph.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a gas chromatograph possesses advantages such as protectiveness height, has solved and often can use gas chromatograph in current teaching, because gas chromatograph is bulky, and expensive, once the gas chromatograph appearance body receives the damage when in handling or not using, causes the problem of economic loss when influencing the progress of teaching easily.

(II) technical scheme

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a gas chromatograph, includes casing and instrument body, the instrument body is located the inside of casing, the inside of casing is provided with the lifting unit who is used for driving instrument body lift, the inside of casing is provided with the power unit that is used for providing power for lifting unit, lifting unit's inside is provided with and is used for the absorbing damper to instrument body shock attenuation, the top of casing is provided with dustproof subassembly.

The utility model has the advantages that:

this gas chromatograph, when needs use, through the cooperation between lifting unit and the power unit, can protect the inside that the casing was received to the instrument body, and shock-absorbing unit can play certain shock attenuation protective effect to the instrument body that receives to strike or in transporting simultaneously, and dustproof subassembly can prevent that external dust from entering into inside the casing to realize the high effect of protectiveness.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the lifting assembly comprises four bearings which are fixedly connected to the inner part of the shell, the inner parts of the two bearings on the left side are fixedly connected with the threaded rods, the inner parts of the two bearings on the right side are fixedly connected with the threaded rods, and the outer sides of the two threaded rods are in threaded connection with the lifting plate;

further, power unit includes fixed connection in the inside double-shaft motor of casing, the equal fixedly connected with dwang of two output ends of double-shaft motor, two the bottom and two of threaded rod the equal fixedly connected with gear in the back of the body one side of the back of the body of dwang, adjacent two intermeshing between the gear.

Adopt above-mentioned further scheme's beneficial effect is, after the instrument body finishes using, the biax motor circular telegram is opened and is rotated through driving dwang and gear and make the threaded rod follow the rotation, and at the rotatory in-process of threaded rod, the lifter plate moves down and with the inside of instrument body retraction casing under the promotion of screw thread, can protect when not using the instrument body or shifting the position of use to it.

Further, damper includes that quantity is two and fixed connection in the inside slide bar of lifter plate, the outside swing joint of slide bar has the movable block, two the spring in the slide bar outside is located to the equal fixedly connected with cover in the back of the body one side of the back of the body of movable block, damper still includes that quantity is two and fixed connection in the articulated seat of instrument body bottom, the articulated seat of top fixedly connected with of movable block, homonymy two through connecting rod swing joint between the articulated seat.

The beneficial effect who adopts above-mentioned further scheme is that, when needs shift the instrument body and use the position or the instrument body receives the impact, the instrument body shakes and drives the movable block through the cooperation between articulated seat and the connecting rod and make a round trip to extrude the spring, and elasticity through the spring can avoid the instrument body to receive to appear damaging after assaulting and take place to collide with to it when shifting.

Furthermore, the dustproof assembly comprises two installation blocks which are fixedly connected to the top of the shell, one opposite side of each installation block is fixedly connected with the fixed rod, a dustproof net is sleeved on the outer side of the fixed rod, and torsion springs with two ends respectively extending to the outer side of the fixed rod and the inner side wall of the dustproof net are sleeved on the outer side of the fixed rod.

The beneficial effects of adopting above-mentioned further scheme are that, when the instrument body extends the inside of casing under the drive of lifter plate, the dust screen uses the dead lever to rotate and stretch torsion spring as the centre of a circle under the drive of instrument body, and after the inside of casing was received to the instrument body, torsion spring kick-backed drive dust screen was rotatory to contacting with the casing top, can prevent that external dust from entering into the inside of casing through the top of casing to realize dirt-proof effect.

Furthermore, the bottom of the shell is fixedly connected with four self-locking pulleys, and the left side of the shell is fixedly connected with a pushing handle.

Drawings

FIG. 1 is a schematic view of the present invention;

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

FIG. 3 is a front sectional view of the shock absorbing assembly of the present invention;

fig. 4 is a top view sectional view of the dust-proof assembly of the present invention.

In the figure: 1. a housing; 2. an instrument body; 3. a lifting assembly; 31. a bearing; 32. a threaded rod; 33. a lifting plate; 4. a power mechanism; 41. a double-shaft motor; 42. rotating the rod; 43. a gear; 5. a shock absorbing assembly; 51. a slide bar; 52. a moving block; 53. a spring; 54. a hinged seat; 55. a connecting rod; 6. a dust-proof assembly; 61. mounting blocks; 62. a fixing rod; 63. a dust screen; 64. a torsion spring.

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.

In the embodiment, as shown in fig. 1 to 4, a gas chromatograph includes a housing 1 and an instrument body 2, the instrument body 2 is located inside the housing 1, a lifting assembly 3 for driving the instrument body 2 to lift is disposed inside the housing 1, the lifting assembly 3 includes four bearings 31 fixedly connected inside the housing 1, the insides of the two bearings 31 on the left side are fixedly connected to a threaded rod 32, the insides of the two bearings 31 on the right side are fixedly connected to the threaded rod 32, the outsides of the two threaded rods 32 are connected to a lifting plate 33, a power mechanism 4 for providing power to the lifting assembly 3 is disposed inside the housing 1, the power mechanism 4 includes a dual-shaft motor 41 fixedly connected inside the housing 1, two output ends of the dual-shaft motor 41 are both fixedly connected to a rotating rod 42, the bottoms of the two threaded rods 32 and the opposite side of the two rotating rods 42 are both fixedly connected to a gear 43, the two adjacent gears 43 are meshed with each other, when the instrument body 2 is used, the double-shaft motor 41 is powered on and is started, and the rotating rod 42 and the gear 43 are driven to rotate so that the threaded rod 32 rotates, in the rotating process of the threaded rod 32, the lifting plate 33 moves downwards under the pushing of the threads and the instrument body 2 is retracted into the shell 1, so that the instrument body 2 can be protected when not being used or the instrument body 2 is transferred to a use position, the inside of the lifting assembly 3 is provided with the damping assembly 5 for damping the instrument body 2, the damping assembly 5 comprises two sliding rods 51 which are fixedly connected with the inside of the lifting plate 33, the outer side of each sliding rod 51 is movably connected with a moving block 52, the opposite sides of the two moving blocks 52 are fixedly connected with springs 53 which are sleeved on the outer side of each sliding rod 51, and each damping assembly 5 further comprises two hinge seats 54 which are fixedly connected with the bottom of the instrument body 2, the top of the moving block 52 is fixedly connected with the hinged seats 54, the two hinged seats 54 on the same side are movably connected through the connecting rod 55, when the instrument body 2 needs to be transferred to a use position or the instrument body 2 is impacted, the instrument body 2 vibrates and drives the moving block 52 to extrude the spring 53 back and forth through the cooperation between the hinged seats 54 and the connecting rod 55, the instrument body 2 can be prevented from being damaged after being impacted and colliding with the spring 53 when being transferred through the elasticity of the spring 53, the top of the shell 1 is provided with the dustproof assembly 6, the dustproof assembly 6 comprises two mounting blocks 61 which are fixedly connected to the top of the shell 1, opposite sides of the two mounting blocks 61 are fixedly connected with the fixing rod 62, the outer side of the fixing rod 62 is sleeved with the dustproof net 63, and the outer side of the fixing rod 62 is sleeved with the torsion spring 64 of which two ends respectively extend to the outer side of the fixing rod 62 and the inner side wall 63 of the dustproof net, when instrument body 2 extends out the inside of casing 1 under the drive of lifter plate 33, dustproof net 63 uses dead lever 62 to rotate and stretch torsion spring 64 as the centre of a circle under the drive of instrument body 2, after the inside of casing 1 is taken in to instrument body 2, torsion spring 64 kick-backs and drives dustproof net 63 rotatory to contact with casing 1 top, can prevent that external dust from entering into the inside of casing 1 through the top of casing 1, thereby realize dirt-proof effect, the bottom fixedly connected with quantity of casing 1 is the pulley of four, the left side fixedly connected with pushing hands of casing 1.

The working principle is as follows:

the first step is as follows: after the instrument body 2 is used, the double-shaft motor 41 is powered on and drives the rotating rod 42 and the gear 43 to rotate so that the threaded rod 32 rotates along with the threaded rod, and in the process of rotating the threaded rod 32, the lifting plate 33 moves downwards under the pushing of the threads and the instrument body 2 is retracted into the shell 1, so that the instrument body 2 can be protected when not used or is shifted to a use position;

the second step is that: when the instrument body 2 needs to be transferred to a use position or the instrument body 2 is impacted, the instrument body 2 vibrates and drives the moving block 52 to extrude the spring 53 back and forth through the matching between the hinge seat 54 and the connecting rod 55, and the damage and the collision of the instrument body 2 after being impacted and during the transfer can be avoided through the elasticity of the spring 53;

the third step: when instrument body 2 extends out the inside of casing 1 under the drive of lifter plate 33, dustproof net 63 uses dead lever 62 to rotate and stretch torsion spring 64 as the centre of a circle under the drive of instrument body 2, after the inside of casing 1 is taken in to instrument body 2, torsion spring 64 kick-backs and drives dustproof net 63 rotatory to contact with casing 1 top, can prevent that external dust from entering into the inside of casing 1 through the top of casing 1 to realize dirt-proof effect.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A gas chromatograph includes a housing (1) and an instrument body (2), characterized in that: the instrument body (2) is located inside the casing (1), the inside of the casing (1) is provided with a lifting component (3) used for driving the instrument body (2) to lift, the inside of the casing (1) is provided with a power mechanism (4) used for providing power for the lifting component (3), the inside of the lifting component (3) is provided with a damping component (5) used for damping the instrument body (2), and the top of the casing (1) is provided with a dustproof component (6).

2. A gas chromatograph according to claim 1, wherein: lifting unit (3) are four and fixed connection in inside bearing (31) of casing (1) including quantity, and the left side is two the inside of bearing (31) all with threaded rod (32) fixed connection, right side two the inside of bearing (31) all with threaded rod (32) fixed connection, two the outside of threaded rod (32) all with lifter plate (33) threaded connection.

3. A gas chromatograph according to claim 2, wherein: power unit (4) include inside double-shaft motor (41) of fixed connection in casing (1), two equal fixedly connected with dwang (42) of output of double-shaft motor (41), two the bottom and two of threaded rod (32) the equal fixedly connected with gear (43), adjacent two in the back of the body one side of the back of the body of dwang (42) intermeshing between gear (43).

4. A gas chromatograph according to claim 2, wherein: damping component (5) are including quantity two and fixed connection in inside slide bar (51) of lifter plate (33), the outside swing joint of slide bar (51) has movable block (52), two equal fixedly connected with cover in the back of the body one side of moving block (52) locates spring (53) in the slide bar (51) outside, damping component (5) still include quantity two and fixed connection in articulated seat (54) of instrument body (2) bottom, the articulated seat (54) of top fixedly connected with of movable block (52), homonymy two pass through connecting rod (55) swing joint between articulated seat (54).

5. A gas chromatograph according to claim 1, wherein: dustproof subassembly (6) are two and fixed connection in installation piece (61) at casing (1) top including quantity, two relative one side of installation piece (61) all with dead lever (62) fixed connection, the outside cover of dead lever (62) is equipped with dust screen (63), the outside cover of dead lever (62) is equipped with both ends and extends to respectively with dead lever (62) outside and dust screen (63) inside wall fixed connection's torsion spring (64).

6. A gas chromatograph according to claim 1, wherein: the bottom of the shell (1) is fixedly connected with four self-locking pulleys, and the left side of the shell (1) is fixedly connected with a pushing handle.