CN210665641U

CN210665641U - Capillary support for gas chromatograph

Info

Publication number: CN210665641U
Application number: CN201921658535.2U
Authority: CN
Inventors: 张冰茜; 张艳; 陈琛; 卢蕾蕾
Original assignee: Jiangsu Guozheng Testing Co Ltd
Current assignee: Jiangsu Guozheng Testing Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-02
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a technical field of capillary chromatographic column specifically is a capillary support that gas chromatograph used, including the device main part, the equal fixed mounting in outer end both sides of device main part has elevating system, elevating system's top one side fixed mounting has the lifter, outer wall one side of lifter all is provided with the regulating block, fixed mounting has the upper bracket between the regulating block, one side fixed mounting that the top of device main part is close to the upper bracket has the lower carriage, top one side fixed mounting of lifter has the lag, elevating system's outer wall one side is provided with rotates the handle. A capillary support that gas chromatograph used, can make the integrated device more be suitable for the fixed use of different specification capillaries, the comprehensiveness of effectual improvement support, convenient to use personnel use improves the practicality of integrated device, brings better use prospect.

Description

Capillary support for gas chromatograph

Technical Field

The utility model relates to a technical field of capillary chromatographic column specifically is a capillary support that gas chromatograph used.

Background

Capillary chromatography is currently used for analysis of various complex mixtures, including atmospheric and environmental pollutants, biological samples, food products, fossil fuels, cosmic materials, and some inorganic and metallo-organic materials. The capillary chromatographic column is an important part of the chromatograph, and the correct fixation of the capillary chromatographic column can prolong the service life of the capillary chromatographic column.

The existing capillary chromatographic support has certain defects when in use, the existing capillary is a long and thin tube, the capillary is improperly placed and is easy to adhere to each other and wind together, the flow of liquid in the capillary is influenced, if the capillary is serious, the capillary is squeezed mutually to cause fracture, the capillary chromatographic support can only fix one end of the capillary when in use, the capillary can not be ensured to be placed stably, and therefore the capillary chromatographic support is inconvenient and brings certain influence in the use process. Accordingly, those skilled in the art have provided a capillary holder for a gas chromatograph to solve the problems set forth in the background art described above.

Disclosure of Invention

An object of the utility model is to provide a capillary support that gas chromatograph used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a capillary support that gas chromatograph used, includes the device main part, the equal fixed mounting in outer end both sides of device main part has elevating system, elevating system's top one side fixed mounting has the lifter, outer wall one side of lifter all is provided with the regulating block, fixed mounting has the upper bracket between the regulating block, one side fixed mounting that the top of device main part is close to the upper bracket has the lower carriage, top one side fixed mounting of lifter has the lag, elevating system's outer wall one side is provided with rotates the handle.

As a further aspect of the present invention: the lifting mechanism is characterized in that a lead screw is arranged on one side of the inside of the lifting mechanism, one end of the lead screw is arranged on one side of the inside of the lifting rod, a thrust bearing is fixedly arranged on one side, corresponding to the lead screw, of the inner bottom of the lifting mechanism, and the lifting mechanism is fixedly connected with the lead screw through the thrust bearing.

As a further aspect of the present invention: a first bevel gear is fixedly mounted on one side of the outer wall of the screw rod, and a stable shaft sleeve is sleeved on one side, close to the first bevel gear, of the outer wall of the screw rod.

As a further aspect of the present invention: one side that the outer end of rotation handle is close to first bevel gear is fixed with the axis of rotation, one side fixed mounting that the outer end of axis of rotation corresponds first bevel gear has second bevel gear, and first bevel gear and second bevel gear intermeshing.

As a further aspect of the present invention: the inside one side of lifter is provided with the elevator, and the elevator setting is in outer wall one side of lead screw, the spread groove has been seted up to the inside one side that corresponds the lifter of regulating block, and the outer diameter of the interior diameter ratio lifter of spread groove is slightly bigger, and the regulating block passes through spread groove and lifter sliding connection.

As a further aspect of the present invention: the inner wall of spread groove all fixed mounting all around has the connecting rod, and the spread groove passes through connecting rod and elevator fixed connection, one side that the inside of elevator corresponds the lead screw all etches there is the thread groove, and the elevator passes through the thread groove and is connected with the lead screw meshing.

As a further aspect of the present invention: the inside of lifter corresponds one side of connecting rod and has all seted up the sliding tray, and the outer diameter ratio sliding tray's of connecting rod internal diameter is slightly littleer, and the connecting rod passes through sliding tray and lifter sliding connection.

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

1. through the arranged lifting mechanism, when a user uses the device, the capillary tube can pass through the upper bracket, the other end of the capillary tube is placed on the lower bracket, in order to enable the upper bracket to be more suitable for the length of the capillary tube, the user can rotate a rotating handle arranged at the outer end of the lifting mechanism, a lead screw arranged by a thrust bearing can be driven to rotate through the matching between a first bevel gear and a second bevel gear, when the lead screw rotates, a lifting block is meshed with the lead screw through a thread groove, the lifting block can be driven to lift up and down on the outer wall of the lead screw, and the lifting block is fixedly connected with an adjusting block through a connecting rod, so that the adjusting block can be driven to lift up and down on the outer wall of the lifting rod, the height of the upper bracket can be adjusted, the device can be suitable for capillary tubes of different specifications, the practicability of the device is improved, and the user can use the device, better than the traditional way.

2. Through the spread groove that sets up, because the inside diameter ratio of spread groove is slightly bigger than the outside diameter of lifter to make stable the cup jointing of regulating block at the lifter outer wall, thereby drive the regulating block at the outer wall oscilaltion of lifter when can realizing the lifter oscilaltion, convenient to use personnel use, better for traditional mode.

Drawings

FIG. 1 is a schematic diagram of a capillary support for a gas chromatograph;

FIG. 2 is a schematic diagram of a lifting mechanism and a lifting rod of a capillary tube holder for a gas chromatograph;

fig. 3 is a schematic structural diagram of an adjusting block and a lifting block in a capillary tube bracket for a gas chromatograph.

In the figure: 1. a device main body; 2. a lifting mechanism; 3. a lifting rod; 4. an adjusting block; 5. an upper bracket; 6. a lower bracket; 7. a protective sleeve; 8. rotating the handle; 9. a lead screw; 10. a thrust bearing; 11. a first bevel gear; 12. a stable shaft sleeve; 13. a rotating shaft; 14. a second bevel gear; 15. a lifting block; 16. connecting grooves; 17. a connecting rod; 18. a thread groove.

Detailed Description

Please refer to fig. 1-3, in the embodiment of the present invention, a capillary support for a gas chromatograph, including device main part 1, the equal fixed mounting in outer end both sides of device main part 1 has elevating system 2, top one side fixed mounting of elevating system 2 has lifter 3, outer wall one side of lifter 3 all is provided with regulating block 4, fixed mounting has upper bracket 5 between regulating block 4, one side fixed mounting that the top of device main part 1 is close to upper bracket 5 has lower carriage 6, top one side fixed mounting of lifter 3 has lag 7, outer wall one side of elevating system 2 is provided with rotation handle 8.

In fig. 2: inside one side of elevating system 2 is provided with lead screw 9, and the one end setting of lead screw 9 is in inside one side of lifter 3, and one side fixed mounting that the interior bottom of elevating system 2 corresponds lead screw 9 has footstep bearing 10, and elevating system 2 passes through footstep bearing 10 and lead screw 9 fixed connection to make the integrated device can drive the more stable rotation of lead screw 9 through footstep bearing 10.

In fig. 2: one side of the outer wall of the screw rod 9 is fixedly provided with a first bevel gear 11, and one side of the outer wall of the screw rod 9, which is close to the first bevel gear 11, is sleeved with a stable shaft sleeve 12, so that the whole device can drive the screw rod 9 to stably rotate through the stable shaft sleeve 12.

In fig. 2: a rotating shaft 13 is fixedly installed at one side of the outer end of the rotating handle 8 close to the first bevel gear 11, a second bevel gear 14 is fixedly installed at one side of the outer end of the rotating shaft 13 corresponding to the first bevel gear 11, and the first bevel gear 11 and the second bevel gear 14 are meshed with each other, so that the whole device can drive the screw 9 to rotate through the first bevel gear 11 and the second bevel gear 14.

In fig. 2-3: inside one side of lifter 3 is provided with elevator 15, and elevator 15 sets up in outer wall one side of lead screw 9, and spread groove 16 has been seted up to the inside one side that corresponds lifter 3 of regulating block 4, and the internal diameter ratio of spread groove 16 is slightly bigger than the outer diameter of lifter 3, and regulating block 4 passes through

spread groove

16 and 3 sliding connection of lifter to make the integrated device can drive regulating block 4 and carry out altitude mixture control through elevator 15 when the oscilaltion of lead screw 9 outer wall.

In fig. 3: all fixed mounting all around of inner wall of spread groove 16 has connecting rod 17, and spread groove 16 passes through connecting rod 17 and elevator 15 fixed connection, and the inside of elevator 15 corresponds one side of lead screw 9 and all has the sculpture threaded groove 18, and elevator 15 is connected through threaded groove 18 and lead screw 9 meshing to make integrated device can drive elevator 15 through threaded groove 18 and go up and down at lead screw 9 outer wall.

In fig. 1 and 3: the inside of lifter 3 corresponds one side of connecting rod 17 and has all been seted up the sliding tray, and the outer diameter ratio sliding tray's of connecting rod 17 internal diameter is slightly littleer, and connecting rod 17 passes through sliding tray and 3 sliding connection of lifter to make the integrated device can realize that lifter 15 drives the oscilaltion of regulating block 4 through the cooperation between sliding tray and the connecting rod 17.

The utility model discloses a theory of operation is: the device main body 1 of the device is placed stably, when a user uses the device, the capillary tube can pass through the upper bracket 5, the other end of the capillary tube is placed on the lower bracket 6, in order to enable the upper bracket 5 to be more suitable for the length of the capillary tube, the user can rotate a rotating handle 8 arranged at the outer end of the lifting mechanism 2, a lead screw 9 arranged on a thrust bearing 10 can be driven to rotate through the matching between a first bevel gear 11 and a second bevel gear 14, when the lead screw 9 rotates, a lifting block 15 is meshed with the lead screw 9 through a thread groove 18, the lifting block 15 can be driven to lift up and down on the outer wall of the lead screw 9, as the lifting block 15 is fixedly connected with the adjusting block 4 through a connecting rod 17, the adjusting block 4 can be driven to lift up and down on the outer wall of the lifting rod 3, the height of the upper bracket 5 can be adjusted, and the capillary tube can be suitable for capillary tubes with different, the practicality of the device is improved, because the internal diameter of spread groove 16 is slightly bigger than the outside diameter of lifter 3 to make stable the cup jointing of regulating block 4 at the 3 outer walls of lifter, thereby can realize that the regulating block 4 is driven at the outer wall oscilaltion of lifter 3 when the 15 oscilaltions of lifter, the person of being convenient for to use uses, and is comparatively practical.

The above-mentioned, 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. The utility model provides a capillary support that gas chromatograph used, includes device main part (1), its characterized in that, the equal fixed mounting in outer end both sides of device main part (1) has elevating system (2), top one side fixed mounting of elevating system (2) has lifter (3), outer wall one side of lifter (3) all is provided with regulating block (4), fixed mounting has upper bracket (5) between regulating block (4), one side fixed mounting that the top of device main part (1) is close to upper bracket (5) has lower carriage (6), top one side fixed mounting of lifter (3) has lag (7), outer wall one side of elevating system (2) is provided with rotates handle (8).

2. The capillary bracket for the gas chromatograph according to claim 1, wherein a lead screw (9) is arranged on one side inside the lifting mechanism (2), one end of the lead screw (9) is arranged on one side inside the lifting rod (3), a thrust bearing (10) is fixedly arranged on one side of the inner bottom of the lifting mechanism (2) corresponding to the lead screw (9), and the lifting mechanism (2) is fixedly connected with the lead screw (9) through the thrust bearing (10).

3. The capillary bracket for the gas chromatograph according to claim 2, wherein a first bevel gear (11) is fixedly installed on one side of the outer wall of the lead screw (9), and a stable bushing (12) is sleeved on one side, close to the first bevel gear (11), of the outer wall of the lead screw (9).

4. The capillary support for the gas chromatograph according to claim 3, wherein a rotating shaft (13) is fixedly mounted at one side of the outer end of the rotating handle (8) close to the first bevel gear (11), a second bevel gear (14) is fixedly mounted at the outer end of the rotating shaft (13) corresponding to one side of the first bevel gear (11), and the first bevel gear (11) and the second bevel gear (14) are meshed with each other.

5. The capillary tube support for the gas chromatograph according to claim 2, wherein the lifting block (15) is arranged on one side of the inside of the lifting rod (3), the lifting block (15) is arranged on one side of the outer wall of the lead screw (9), a connecting groove (16) is formed in one side of the inside of the adjusting block (4) corresponding to the lifting rod (3), the inner diameter of the connecting groove (16) is slightly larger than the outer diameter of the lifting rod (3), and the adjusting block (4) is slidably connected with the lifting rod (3) through the connecting groove (16).

6. The capillary support for the gas chromatograph according to claim 5, wherein the inner wall of the connecting groove (16) is fixedly provided with connecting rods (17) all around, the connecting groove (16) is fixedly connected with the lifting block (15) through the connecting rods (17), one side of the inside of the lifting block (15) corresponding to the lead screw (9) is etched with a threaded groove (18), and the lifting block (15) is meshed with the lead screw (9) through the threaded groove (18).

7. The capillary support for gas chromatograph according to claim 6, wherein the inside of the lifting rod (3) is provided with a sliding groove corresponding to one side of the connecting rod (17), the outer diameter of the connecting rod (17) is slightly smaller than the inner diameter of the sliding groove, and the connecting rod (17) is slidably connected with the lifting rod (3) through the sliding groove.