CN215641062U

CN215641062U - Carousel formula headspace automatic sample injector

Info

Publication number: CN215641062U
Application number: CN202120579206.XU
Authority: CN
Inventors: 刘秀丽; 葛亚丽; 吴婷婷; 张智峰
Original assignee: Shandong Zhihe Bituo Environmental Protection Technology Co ltd
Current assignee: Shandong Zhihe Bituo Environmental Protection Technology Co ltd
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2022-01-25
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a rotating disc type headspace automatic sample injector which comprises a base, wherein two ends of the bottom of the base are fixedly connected with supporting plates, the outer sides of the supporting plates are fixedly connected with a motor main body, the output end of one side of the motor main body is fixedly connected to one end of a connecting rod, the other end of the connecting rod is rotatably connected to one side of a fixed block, two adjacent ends of the connecting rod are fixedly connected with first bevel gears, the top of the base is fixedly connected with a box body, the bottoms of the connecting blocks are rotatably connected with screw rods, and the bottoms of the screw rods penetrate through empty slots and are fixedly connected to the middle positions of the tops of second bevel gears. According to the utility model, the sample introduction device main body can be freely retracted into and extended out of the box body through the motor main body, the connecting rod, the first helical gear, the second helical gear, the screw and the sliding plate, so that the phenomenon that the whole sample introduction device is exposed outside and placed to cause surface dust accumulation and damage is effectively avoided, the device is very convenient, and is worth of being widely popularized.

Description

Carousel formula headspace automatic sample injector

Technical Field

The utility model relates to the technical field of sample injection devices, in particular to a rotary disc type headspace automatic sample injector.

Background

The sample injector is a device which can quantitatively send an analysis sample into a chromatographic column in a chromatographic system, and the principle of the sample injector is that a sample to be detected is placed into a closed container, volatile components are volatilized from a sample matrix through heating and temperature rise, balance is achieved in a gas phase and a liquid phase (or a gas phase and a solid phase), and top gas is directly extracted for chromatographic analysis, so that the components and the content of the volatile components in the sample are detected.

The whole existing rotating disc type headspace automatic sample injector is usually exposed outside for placement, no protective measures are provided, dust is easily accumulated on the surface of the sample injector, and the sample injector is damaged when being impacted, so that the sample injector is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a rotary disc type headspace automatic sample injector.

In order to achieve the purpose, the utility model adopts the following technical scheme: a rotary disc type headspace automatic sample injector comprises a base, wherein both ends of the bottom of the base are fixedly connected with supporting plates, the outer sides of the supporting plates are fixedly connected with a motor main body, the output end of one side of the motor main body is fixedly connected to one end of a connecting rod, the other end of the connecting rod is rotatably connected to one side of a fixed block, two adjacent ends of the connecting rod are fixedly connected with a first bevel gear, the top of the base is fixedly connected with a box body, the top in the box body is fixedly connected with two connecting blocks, the bottoms of the connecting blocks are rotatably connected with a screw rod, the bottom of the screw rod penetrates through a dead slot and is fixedly connected to the middle position of the top of a second bevel gear, the periphery of the lower end of the screw rod is in threaded connection with the inner side of a sliding plate, both ends of the sliding plate are in sliding grooves on one side of the fixed plate, and the middle position of the top of the sliding plate is fixedly connected with a mounting plate, the top of mounting panel is provided with sampling device main part.

As a further description of the above technical solution:

the other side of the fixing block is fixedly connected to the inner side of the supporting plate.

As a further description of the above technical solution:

the top of box is connected with the chamber door through two hinges rotation, another side top fixedly connected with handle that the hinge was kept away from to the chamber door.

As a further description of the above technical solution:

the periphery of screw rod all is provided with the external screw thread, the inboard of slide all is provided with the internal thread.

As a further description of the above technical solution:

and the first bevel gear and the second bevel gear are meshed with each other.

As a further description of the above technical solution:

the other sides of the fixing plates are fixedly connected to the inner side of the box body.

As a further description of the above technical solution:

the sum of the heights of the supporting plate, the base and the box body is about one hundred twenty centimeters.

As a further description of the above technical solution:

the motor main body is a servo motor.

The utility model has the following beneficial effects:

when the sampling device is used, the sliding plate moves upwards at the periphery of the screw rod through the matching of the motor main body, the connecting rod, the first bevel gear, the second bevel gear and the screw rod, so that the sampling device main body mounted at the top of the sliding plate is upwards until the sampling device main body extends out of the top of the box body, then the sampling device main body is operated, and after the sampling device is used, the motor main body is reversely driven according to the principle, so that the sampling device main body is retracted into the box body, the situation that the sampling device main body is wholly exposed outside for placement is effectively avoided, the surface of the sampling device main body is prevented from being accumulated with dust and damaged when being impacted, the sampling device is very convenient and is worth being widely popularized.

Drawings

Fig. 1 is an external structural diagram of a turntable type headspace automatic sample injector according to the present invention;

fig. 2 is an internal structure diagram of a turntable type headspace automatic sample injector according to the present invention;

fig. 3 is a structure diagram of a fixing plate of the turntable type headspace automatic sample injector according to the present invention.

Illustration of the drawings:

1. a base; 2. a box body; 3. a hinge; 4. a handle; 5. a box door; 6. a support plate; 7. a motor main body; 8. a screw; 9. a sample introduction device body; 10. connecting blocks; 11. a fixing plate; 12. mounting a plate; 13. a slide plate; 14. an empty groove; 15. a fixed block; 16. a first helical gear; 17. a connecting rod; 18. a second helical gear; 19. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a rotary disc type headspace automatic sample injector comprises a base 1, wherein both ends of the bottom of the base 1 are fixedly connected with supporting plates 6, the outer side of each supporting plate 6 is fixedly connected with a motor main body 7, the output end of one side of each motor main body 7 is fixedly connected to one end of a connecting rod 17, the other end of each connecting rod 17 is rotatably connected to one side of a fixed block 15, two adjacent ends of each connecting rod 17 are fixedly connected with first bevel gears 16, the connecting rods 17 are driven by the motor main bodies 7 to rotate, the connecting rods 17 drive the first bevel gears 16, the top of the base 1 is fixedly connected with a box body 2, the top of the box body 2 is fixedly connected with two connecting blocks 10, the bottoms of the connecting blocks 10 are rotatably connected with screw rods 8, the bottoms of the screw rods 8 penetrate through empty grooves 14 and are fixedly connected to the middle positions of the tops of second bevel gears 18, and the peripheries of the lower ends of the screw rods 8 are all in threaded connection with the inner sides of sliding plates 13, first helical gear 16 drives second helical gear 18, second helical gear 18 drives screw rod 8 and rotates in the bottom of connecting block 10, make slide 13 carry out the rebound in screw rod 8 periphery, the equal sliding connection in the spout 19 of fixed plate 11 one side in both ends of slide 13 is inside, the both ends of slide 13 slide in spout 19, make the removal more stable, the intermediate position fixedly connected with mounting panel 12 at slide 13 top, the top of mounting panel 12 is provided with sampling device main part 9, when slide 13 rebound, make the sampling device main part 9 rebound of top installation, until the top of stretching out box 2.

Opposite side fixed connection of fixed block 15 is in the inboard of backup pad 6, the top of box 2 is rotated through two hinges 3 and is connected with chamber door 5, another side top fixedly connected with handle 4 that hinge 3 was kept away from to chamber door 5, cooperate through handle 4 and hinge 3, can open and close chamber door 5, the periphery of screw rod 8 all is provided with the external screw thread, slide 13's inboard all is provided with the internal thread, the homogeneous phase meshing between first helical gear 16 and the second helical gear 18, first helical gear 16 can drive second helical gear 18 and rotate, the equal fixed connection of opposite side of fixed plate 11 is in the inboard of box 2, backup pad 6, the high sum of base 1 and box 2 is about one hundred twenty centimetres, when advancing the appearance device main part 9 and coming out, this highly suitable operation, motor main part 7 is servo motor.

The working principle is as follows: firstly, the door 5 is opened by using the handle 4 and the hinge 3, then the output end is driven by the motor main body 7 to drive the connecting rod 17 to rotate, the connecting rod 17 drives the first helical gear 16, because the first helical gear 16 is meshed with the second helical gear 18, the first helical gear 16 drives the second helical gear 18, the second helical gear 18 drives the screw rod 8 to rotate at the bottom of the connecting block 10, so that the sliding plate 13 moves upwards at the periphery of the screw rod 8, and further, the sampling device main body 9 installed at the top of the sliding plate 13 moves upwards until extending out of the top of the box body 2, and then the sampling device main body 9 is operated again, after use, the sampling device main body 9 reversely operates according to the principle, and accordingly, the sampling device main body 9 is retracted into the box body 2.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a carousel formula headspace automatic sample injector, includes base (1), its characterized in that: the two ends of the bottom of the base (1) are fixedly connected with supporting plates (6), the outer side of each supporting plate (6) is fixedly connected with a motor main body (7), the output end of one side of each motor main body (7) is fixedly connected to one end of a connecting rod (17), the other end of each connecting rod (17) is rotatably connected to one side of a fixed block (15), the adjacent two ends of each connecting rod (17) are fixedly connected with first bevel gears (16), the top of the base (1) is fixedly connected with a box body (2), the top of the box body (2) is fixedly connected with two connecting blocks (10), the bottoms of the connecting blocks (10) are rotatably connected with screw rods (8), the bottoms of the screw rods (8) penetrate through empty grooves (14) and are fixedly connected to the middle position of the top of a second bevel gear (18), and the peripheries of the lower ends of the screw rods (8) are all in threaded connection with the inner side of a sliding plate (13), the equal sliding connection in both ends of slide (13) is inside spout (19) of fixed plate (11) one side, the intermediate position fixedly connected with mounting panel (12) at slide (13) top, the top of mounting panel (12) is provided with sampling device main part (9).

2. The rotating disk headspace autosampler of claim 1, wherein: the other side of the fixing block (15) is fixedly connected with the inner side of the supporting plate (6).

3. The rotating disk headspace autosampler of claim 1, wherein: the top of box (2) is connected with chamber door (5) through two hinges (3) rotation, another side top fixedly connected with handle (4) of hinge (3) are kept away from in chamber door (5).

4. The rotating disk headspace autosampler of claim 1, wherein: the periphery of screw rod (8) all is provided with the external screw thread, the inboard of slide (13) all is provided with the internal thread.

5. The rotating disk headspace autosampler of claim 1, wherein: the first bevel gear (16) and the second bevel gear (18) are meshed with each other.

6. The rotating disk headspace autosampler of claim 1, wherein: the other sides of the fixed plates (11) are fixedly connected to the inner side of the box body (2).

7. The rotating disk headspace autosampler of claim 1, wherein: the sum of the heights of the supporting plate (6), the base (1) and the box body (2) is about one hundred twenty centimeters.

8. The rotating disk headspace autosampler of claim 1, wherein: the motor main body (7) is a servo motor.