CN202583142U

CN202583142U - Pulse rotation type automatic sample injector

Info

Publication number: CN202583142U
Application number: CN 201220121312
Authority: CN
Inventors: 贾照清
Original assignee: QINGDAO ION CHROMATOGRAPH Co Ltd
Current assignee: QINGDAO ION CHROMATOGRAPH Co Ltd
Priority date: 2012-03-28
Filing date: 2012-03-28
Publication date: 2012-12-05
Anticipated expiration: 2022-03-28

Abstract

The utility model relates to a sample injector, in particular to a pulse rotation type automatic sample injector which comprises a sample tray, a sample bottle, a sample injection needle, a sample injection needle fixing seat, a liquid transferring tube, a lead screw, a sliding block, a lead screw driving motor, a six-way switching valve, a six-way valve driving motor, a sample tray driving motor, a three-way valve, a peristaltic pump, a cleaning module, a base and a support. The sample tray is connected with the sample tray driving motor through a rotating shaft, the lead screw is arranged in the support, the lead screw is driven by the lead screw driving motor, the sliding block is sleeved on the lead screw, the sample injection needle fixing seat is fixedly connected with the sliding block, the top end of the sample injection needle is connected with the six-way switching valve through the liquid transferring tube, switching of the six-way switching valve is driven by the six-way valve driving motor, the three-way valve is connected with the six-way switching valve, the peristaltic pump is connected with the three-way valve, and the sample bottle and the cleaning module penetrate through a loading hole of the sample tray. The pulse rotation type automatic sample injector overcomes the shortcomings that a traditional sample injector wastes labor, is prone to errors in operation and the like, and sample injector has a certain advantage.

Description

The rotary automatic sampler of pulse

Technical field

The utility model relates to a kind of injector, especially the rotary automatic sampler of pulse.

Background technology

Adopt the mode of hand sampling mostly owing to the present ion chromatograph of technical reason.Each sample introduction all need be used the manual switching six-way injection valve, and the one, there is the manually-operated error, the 2nd, because of interval time of sample introduction at every turn is that 10-30min does not wait; Operating personnel can not leave for a long time; But can only wait for labor intensive, inefficiency after having advanced sample again.Though have the injector of some imports to possess the auto injection function commonly have complex structure, shortcoming such as cost an arm and a leg, not only receipt period is long and after-sales service is inconvenient.

The utility model content

The utility model is intended to address the above problem, and provides pulse rotary automatic sampler, and it has overcome traditional injector waste of manpower, has been prone to drawbacks such as error, and its technical scheme that adopts is following:

The rotary automatic sampler of pulse; Comprise sample disc, sample bottle, sample introduction needle, sample introduction needle holder, woven hose, leading screw, slide block, leading screw drive motor, six direction changeover valves, six-way valve drive motor, sample disc drive motor, T-valve, peristaltic pump, cleaning module, base and support, said sample disc drive motor and support are fixed on the base, and said sample disc is connected through rotation axis with the sample disc drive motor; Be provided with leading screw in the said support; Said leading screw is by the leading screw drive motor drives, and said slide block set is loaded on the leading screw, and said sample introduction needle holder and slide block are affixed; Said sample introduction needle detachable connection is on the sample introduction needle holder; The top of said sample introduction needle is connected with six direction changeover valves through woven hose, and the switching of said six direction changeover valves is by the six-way valve drive motor drives, and said T-valve is connected with six direction changeover valves; Said peristaltic pump is connected with T-valve, and said sample bottle and cleaning module are threaded onto in the loading hole of sample disc.

The utlity model has following advantage: simple in structure, easy to use, it is on duty to need not manual work, saves manpower.

Description of drawings

Fig. 1: the structural representation of the utility model;

Symbol description:

1. sample disc, 2. sample bottle, 3. sample introduction needle, 4. sample introduction needle holder, 5. woven hose, 6. leading screw; 7. slide block, 8. leading screw drive motor, 9. six direction changeover valves, 10. six-way valve drive motor, 11. sample disc drive motor; 12. T-valve, 13. peristaltic pumps, 14. cleaning modules, 15. bases, 16. supports.

Embodiment

Below in conjunction with accompanying drawing and instance the utility model is described further:

As shown in Figure 1; The rotary automatic sampler of the pulse of present embodiment; Comprise sample disc 1, sample bottle 2, sample introduction needle 3, sample introduction needle holder 4, woven hose 5, leading screw 6, slide block 7, leading screw drive motor 8, six direction changeover valves 9, six-way valve drive motor 10, sample disc drive motor 11, T-valve 12, peristaltic pump 13, cleaning module 14, base 15 and support 16, said sample disc drive motor 11 is fixed on the base 15 with support 16, and said sample disc 1 and sample disc drive motor 11 are connected through rotation axis; Be provided with leading screw 6 in the said support 16; Said leading screw 6 is driven by leading screw drive motor 8, and said slide block 7 is set on the leading screw 6, and said sample introduction needle holder 4 is affixed with slide block 7; Said sample introduction needle 3 detachable connections are on sample introduction needle holder 4; The top of said sample introduction needle 3 is connected with six direction changeover valves 9 through woven hose 5, and the switching of said six direction changeover valves 9 is driven by six-way valve drive motor 10, and said T-valve 12 is connected with six direction changeover valves 9; Said peristaltic pump 13 is connected with T-valve 12, and said sample bottle 2 is threaded onto in the loading hole of sample disc 1 with cleaning module 14.

During sample introduction; Sample disc drive motor 11 drives sample disc 1 and goes to assigned address; Leading screw drive motor 8 rotating band movable sliders 7 move downward together with sample introduction needle 3, and sample introduction needle 3 is inserted in the sample bottle 2, and six direction changeover valves 9 switch to the sample introduction state with T-valve 12; Peristaltic pump 13 switches to the operation of sample introduction state, and so sample is drawn in six direction changeover valves 9.Six direction changeover valves 9 switched to analysis state after sample introduction was accomplished, and chromatograph begins to analyze, and T-valve 12 gets into holding state with peristaltic pump 13; While sample introduction needle 3 rises under the reverse drive of leading screw drive motor 8 and gets back to initial position, and sample disc 1 goes back to initial position under the driving of sample disc drive motor 11, and cleaning module 14 is under the sample introduction needle 3; Clean sample introduction needle 3 if desired; Then sample introduction needle 3 moves downward once more, is inserted in the cleaning module 14, and peristaltic pump 13 switches to the cleaning state respectively with T-valve 12; Sample introduction needle 3 is accomplished cleaning in cleaning module 14, sample introduction needle 3 risings set back and accomplish a circulation then.

With way of example the utility model is illustrated above, but the utility model is not limited to above-mentioned specific embodiment, all any changes done based on the utility model or modification all belong to the utility model and require the scope protected.

Claims

1. the rotary automatic sampler of pulse; It is characterized in that: comprise sample disc (1), sample bottle (2), sample introduction needle (3), sample introduction needle holder (4), woven hose (5), leading screw (6), slide block (7), leading screw drive motor (8), six direction changeover valves (9), six-way valve drive motor (10), sample disc drive motor (11), T-valve (12), peristaltic pump (13), cleaning module (14), base (15) and support (16); Said sample disc drive motor (11) and support (16) are fixed on the base (15); Said sample disc (1) is connected through rotation axis with sample disc drive motor (11); Be provided with leading screw (6) in the said support (16); Said leading screw (6) is driven by leading screw drive motor (8), and said slide block (7) is set on the leading screw (6), and said sample introduction needle holder (4) is affixed with slide block (7); Said sample introduction needle (3) detachable connection is on sample introduction needle holder (4); The top of said sample introduction needle (3) is connected with six direction changeover valves (9) through woven hose (5), and the switching of said six direction changeover valves (9) is driven by six-way valve drive motor (10), and said T-valve (12) is connected with six direction changeover valves (9); Said peristaltic pump (13) is connected with T-valve (12), and said sample bottle (2) and cleaning module (14) are threaded onto in the loading hole of sample disc (1).