CN218644949U - Sample introduction pipeline bracket of headspace sample injector - Google Patents

Abstract

The utility model discloses a headspace sample injector advances a kind pipeline support, the utility model relates to a headspace sample injector technical field, including the sample injector body, the top of sample injector body is connected with the sample injector, the outside of sample injector is equipped with the supporting structure, the supporting structure includes the fixed plate, the inner core of fixed plate is equipped with the cavity, sliding connection has the supporting shoe in the cavity, threaded connection has the drive threaded rod on the supporting shoe, the top fixed stay post of supporting shoe, the sleeve of horizontal setting is fixed to the outer wall intermediate end of support column, telescopic inboard sliding connection has the connecting rod, the connecting rod front end is fixed with the tighrening ring, the utility model has the advantages of reasonable design, the supporting structure that the accessible set up has fixedly to advance the sample injector, and carry out horizontal migration's in-process at the supporting structure, the position of the fixed sample injector of tighrening ring can remain unchanged, makes the bottom of sample injector still can be connected perpendicularly the top of sample injector body, can effectively avoid the not hard up of link and cause the leakage of sample, influences the appearance effect of advancing.

Description

Sample introduction pipeline bracket of headspace sample injector

Technical Field

The utility model relates to a headspace sample injector technical field, in particular to headspace sample injector advances a kind pipeline support.

Background

A headspace sample injector is a convenient and fast sample pretreatment method in gas chromatography, and is characterized in that a sample to be detected is placed in a closed container, volatile components are volatilized from a sample matrix through heating, balance is achieved in a gas-liquid (or gas-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.

A sample injection pipe that is used for introducing the sample to be measured into headspace sample injector among the prior art mostly uses the nut to connect at headspace sample injector top, often set sample injection pipe into the elbow form in order to save installation space, consequently need supporting structure to fix, and need adjust the radian that sample injection pipe buckled at fixed in-process, consequently need horizontal adjustment supporting structure's fixed position, but current supporting structure is when carrying out horizontal adjustment, easily make sample injection union coupling headspace sample injector's connection position take place to buckle, can cause the not hard up of link in the long-term in the past, lead to taking place to leak and influence the appearance of advancing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a headspace sample injector advances a kind pipeline support can effectively solve the problem in the background art.

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

the utility model provides a headspace sample injector advances a kind pipeline support, includes the sample injector body, the top of sample injector body is connected with the inlet tube, the outside of inlet tube is equipped with supporting structure, supporting structure is including fixing the fixed plate on the top of sample injector body, the inner core of fixed plate is equipped with the cavity, sliding connection has the supporting shoe in the cavity, threaded connection has the drive threaded rod on the supporting shoe, the end of drive threaded rod is fixed with first bevel gear, the top fixed stay post of supporting shoe, the outer wall intermediate end of support column is fixed with the sleeve of horizontal setting, telescopic inboard sliding connection has the connecting rod, the connecting rod front end is fixed with the tighrening ring, the left end top end face of fixed plate is fixed with the upright section of thick bamboo, the upright section of thick bamboo internal rotation is connected with the bull stick, the bottom of bull stick extends to in the cavity and is fixed with second bevel gear, second bevel gear meshes with first bevel gear mutually, the top of bull stick is fixed with rotating gear, the side of connecting rod is equipped with the tooth's socket that meshes mutually with rotating gear.

Preferably, the front end of the driving threaded rod extends to the outer side of the fixing plate and is fixed with a rotating wheel.

Preferably, the support rod is inserted to the top inboard of support column, the external surface fixed with the supporting seat of bracing piece, be fixed with the clamp structure on the supporting seat.

Preferably, the clamp structure includes solid fixed ring and loose ring, gu carry out fixed connection through fastening bolt between fixed ring and the loose ring, gu fixed ring is connected with the snap ring through the shock attenuation pole with the inner wall of loose ring.

Preferably, the center point of the snap ring and the center point of the fastening ring are in the same vertical section.

Preferably, the top end surface of the supporting column is provided with a fastening pin.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a tighrening ring that sets up can fasten the sample tube, and the bottom of enabling the sample tube is directly connected the top of sample injector body perpendicularly, when the runner through setting up drives the drive threaded rod rotatory, the supporting shoe can drive this supporting structure and carry out horizontal migration, first bevel gear can drive second bevel gear and take place to rotate simultaneously, make the bull stick can drive the running gear and take place to rotate, the running gear rotates and can drive the connecting rod in the sleeve again and remove, the position of the fixed sample tube of tighrening ring can remain motionless, the top of sample injector body is still connected perpendicularly to the bottom of sample tube, can prevent effectively that this supporting structure from making the sample tube bottom take place to buckle and cause not hard up in the removal process, can effectively avoid the leakage of sample.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the clamp structure of the present invention;

fig. 3 is a schematic view of the internal structure of the fixing plate of the present invention;

FIG. 4 is a structural matching view of the connecting rod and the rotating gear of the present invention;

in the figure: 1. a sample injector body; 101. a sample inlet pipe; 2. a scaffold structure; 3. a fixing plate; 301. a cavity; 302. a supporting block; 303. driving the threaded rod; 304. a first bevel gear; 305. a rotating wheel; 4. a support pillar; 401. a support bar; 402. a supporting seat; 403. a fastening pin; 5. a sleeve; 501. a connecting rod; 502. a fastening ring; 503. a tooth socket; 6. erecting a cylinder; 601. a rotating rod; 602. a second bevel gear; 603. a rotating gear; 7. a hoop structure; 701. a fixing ring; 702. a movable ring; 703. fastening a bolt; 704. a shock-absorbing lever; 705. a snap ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a sample introduction pipeline bracket of a headspace sample introduction device comprises a sample introduction device body 1, a sample introduction tube 101 is connected to the top end of the sample introduction device body 1, a bracket structure 2 is arranged on the outer side of the sample introduction tube 101, the bracket structure 2 comprises a fixing plate 3 fixed to the top end of the sample introduction device body 1, an inner core of the fixing plate 3 is provided with a cavity 301, a supporting block 302 is slidably connected in the cavity 301, a driving threaded rod 303 is connected to the supporting block 302 through a thread, a first bevel gear 304 is fixed to the tail end of the driving threaded rod 303, a supporting column 4 is fixed to the top end of the supporting block 302, a sleeve 5 transversely arranged is fixed to the middle end of the outer wall of the supporting column 4, a connecting rod 501 is slidably connected to the inner side of the sleeve 5, a fastening ring 502 is fixed to the front end of the connecting rod 501, the sample introduction tube 101 can be fastened through the fastening ring 502, the bottom end of the sample introduction tube 101 can be vertically connected to the top end of the sample introduction device body 1, a vertical tube 6 is fixed to the top end surface of the left end of the fixing plate 3, a rotating rod 601 is rotatably connected in the vertical cylinder 6, the bottom end of the rotating rod 601 extends into the cavity 301 and is fixed with a second bevel gear 602, the second bevel gear 602 is meshed with the first bevel gear 304, the top end of the rotating rod 601 is fixed with a rotating gear 603, the side surface of the connecting rod 501 is provided with a tooth socket 503 meshed with the rotating gear 603, the supporting block 302 can drive the supporting column 4 to move on the fixing plate 3 by rotating the driving threaded rod 303, the first bevel gear 304 can drive the second bevel gear 602 to rotate in the rotating process of the driving threaded rod 303, the rotating rod 601 can drive the rotating gear 603 to rotate, the rotating gear 603 can drive the connecting rod 501 in the sleeve 5 to move, the fastening ring 502 at the front end of the connecting rod 501 can still effectively fix the sample inlet pipe 101, and the bottom end of the sample inlet pipe 101 can still be vertically connected with the top end of the sample inlet body 1, the bottom end of the sampling tube 101 can be effectively prevented from being bent to cause looseness in the moving process of the support structure 2, and leakage of samples can be effectively avoided.

The front end of the driving threaded rod 303 extends to the outer side of the fixing plate 3 and is fixed with a rotating wheel 305, the driving threaded rod 303 can be rotated through the rotating wheel 305, so that the bracket structure 2 can move horizontally,

the supporting rod 401 is inserted into the inner side of the top end of the supporting column 4, the supporting seat 402 is fixed on the outer surface of the supporting rod 401, and the hoop structure 7 is fixed on the supporting seat 402.

The hoop structure 7 comprises a fixing ring 701 and a movable ring 702, the fixing ring 701 is fixedly connected with the movable ring 702 through a fastening bolt 703, the inner walls of the fixing ring 701 and the movable ring 702 are connected with a clamping ring 705 through a damping rod 704, the sample inlet pipe 101 can be effectively fixed, and the impact force generated at the bent part during sample inlet can be relieved.

The central point of the snap ring 705 and the central point of the fastening ring 502 are in the same vertical section, so that the bending effect of the sampling tube 101 is ensured.

The top surface of support column 4 is equipped with fastening pin 403, the height of adjustable clamp structure 7 to the radian of buckling of adjustment sampling tube 101 has improved the flexibility that the device used.

Operating principle, the utility model relates to a headspace sample injection ware sample introduction pipeline support, during the use, can fasten sample injection pipe 101 through the tighrening ring 502 that sets up, and enable the top of sample injection pipe 101's bottom ability vertical connection sample injection ware body 1, and at the in-process through runner 305 rotation drive threaded rod 303, supporting shoe 302 can drive support column 4 and carry out horizontal migration at fixed plate 3, first conical gear 304 can drive second conical gear 602 simultaneously and take place to rotate, make bull stick 601 can drive running gear 603 and take place to rotate, running gear 603 rotates and can drive connecting rod 501 in the sleeve 5 and remove, the position of the fixed sample injection pipe 101 of tighrening ring 502 can remain motionless.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a headspace sample injector advances a sample pipeline support, includes injector body (1), its characterized in that: the top of sample injector body (1) is connected with sample injection pipe (101), the outside of sample injection pipe (101) is equipped with supporting structure (2), supporting structure (2) are including fixing fixed plate (3) on the top of sample injector body (1), the inner core of fixed plate (3) is equipped with cavity (301), sliding connection has supporting shoe (302) in cavity (301), threaded connection has drive threaded rod (303) on supporting shoe (302), the end of drive threaded rod (303) is fixed with first conical gear (304), top fixed stay post (4) of supporting shoe (302), the outer wall intermediate end of support post (4) is fixed with sleeve (5) of horizontal setting, the inboard sliding connection of sleeve (5) has connecting rod (501), connecting rod (501) front end is fixed with fastening ring (502), the left end top terminal surface of fixed plate (3) is fixed with upright section of thick bamboo (6), upright section of thick bamboo (6) internal rotation is connected with bull stick (601), the bottom of bull stick (601) extends to in cavity (301) and is fixed with second conical gear (602), rotating gear (603) meshes first conical gear (603) and second conical gear (603) mutually, rotating gear (601) mesh side mesh, connecting rod (601) and second conical gear (603) are equipped with first conical gear (601), and second conical gear (603) mesh mutually A tooth slot (503).

2. The headspace sampler sample line holder of claim 1, wherein: the front end of the driving threaded rod (303) extends to the outer side of the fixing plate (3) and is fixed with a rotating wheel (305).

3. The headspace sampler sample line holder of claim 1, wherein: the supporting rod (401) is inserted to the top end inner side of the supporting column (4), a supporting seat (402) is fixed to the outer surface of the supporting rod (401), and a hoop structure (7) is fixed to the supporting seat (402).

4. The headspace sampler sample line holder of claim 3, wherein: the hoop structure (7) comprises a fixing ring (701) and a movable ring (702), the fixing ring (701) is fixedly connected with the movable ring (702) through a fastening bolt (703), and the inner walls of the fixing ring (701) and the movable ring (702) are connected with a clamping ring (705) through a damping rod (704).

5. The headspace sampler sample line holder of claim 4, wherein: the center point of the clamping ring (705) and the center point of the fastening ring (502) are in the same vertical section.

6. The headspace sampler sample inlet line support according to claim 3, wherein: and a fastening pin (403) is arranged on the top end surface of the supporting column (4).

Images