CN209745991U

CN209745991U - Carousel formula headspace automatic sample injector

Info

Publication number: CN209745991U
Application number: CN201920514261.3U
Authority: CN
Inventors: 余光明; 许煌灿
Original assignee: Fujian Jin An Energy Monitoring Technology Co Ltd
Current assignee: Fujian Jin An Energy Monitoring Technology Co Ltd
Priority date: 2019-04-16
Filing date: 2019-04-16
Publication date: 2019-12-06
Anticipated expiration: 2029-04-16

Abstract

The utility model discloses a carousel formula headspace automatic sample injector, including the sample injector body, the welding of sample injector body bottom edge has the fixed disk, the welding has the cylinder in the middle part of the fixed disk bottom, the protruding template is installed to fixed disk top edge, protruding template top edge installs antifriction bearing, antifriction bearing top edge installs the sample dish, the sample dish inner wall has seted up the circular slot corresponding to antifriction bearing surface position department, sample dish top edge has the spacing hole of equal equidistance, the utility model discloses structure scientific and reasonable, convenience safe in utilization, through connecting block, connecting rod, sample dish, ball, semicircular groove and antifriction bearing, can reduce the frictional force between sample dish and the fixed disk, be convenient for the rotation of sample dish, reduce the rotation degree of difficulty of sample dish, simultaneously, can carry out spacing and protection to the test tube, prevent the phenomenon that the test tube from bumping in the sample dish, thereby prolonging the service life of the test tube.

Description

Carousel formula headspace automatic sample injector

Technical Field

The utility model relates to a sampling device technical field specifically is a carousel formula headspace automatic sample injector.

Background

The automatic sample injector adopts different sample injectors according to different states of samples, the sample injection of a liquid sample generally adopts a micro-injector, the sample injection of a gas sample generally adopts a push-pull type six-way valve or a rotary type six-way valve configured in a chromatograph, and a solid sample is generally dissolved in a proper reagent and then is injected by the micro-injector.

but current carousel formula headspace automatic sample injector, automatic sample injector are because the test tube does not have protection device, and all directly put into the sample dish with the test tube inside, make the phenomenon of mutual collision take place between the test tube easily, and carousel formula headspace automatic sample injector is at the pivoted in-process, owing to all utilize the capstan head to drive sample dish pivoted, and the sample dish does not have fixing device, leads to sample dish from the device to drop easily.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical scheme can effectively solve and provide but current carousel formula headspace automatic sample injector among the above-mentioned background art, automatic sample injector is because the test tube does not have protection device, and all directly put into sample dish with the test tube inside, make the phenomenon that mutual collision takes place between the test tube easily, and carousel formula headspace automatic sample injector is at the pivoted in-process, owing to all utilize the capstan head to drive sample dish pivoted, and the sample dish does not have fixing device, lead to the problem that the sample dish from the device dropped easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a carousel formula headspace automatic sample injector, includes the sample injector body, the welding of sample injector body bottom limit portion has the fixed disk, the welding of fixed disk bottom middle part has the cylinder, protruding template is installed to fixed disk top limit portion, protruding template top end limit portion installs antifriction bearing, antifriction bearing top limit portion installs the sample dish, the sample dish inner wall corresponds antifriction bearing surface position department and has seted up the circular slot, spacing hole has been seted up to the equal equidistance of sample dish top limit portion, spacing downthehole wall middle part is provided with the test tube, the sample dish bottom corresponds test tube middle part both sides position department and all welds the connecting rod, connecting rod bottom mid-mounting has the connecting block, connecting block inner wall middle part has been seted up and has been accomodate the cavity.

Preferably, sponge is bonded on the edge part of the inner wall of the limiting hole, and the limiting hole and the sponge are bonded and connected through instant adhesive.

Preferably, the connecting block and the connecting rod are connected by welding.

Preferably, the outer surface of the ball is coated with a rust-proof paint.

The utility model discloses a round-bead-shaped box, including cylinder, box, support frame, screw inner wall, screw, disc, round-bead-shaped surface limit portion, cylinder bottom mid-mounting has the box, the round hole has been seted up to the corresponding cylinder bottom position department in box top, the equal equidistance of fixed disk bottom limit portion installs the support frame, the screw has been seted up at fixed disk top middle part, screw inner wall middle part is provided with the screw rod, the welding of screw rod top.

Preferably, the outer diameter of the screw rod is equal to the inner diameter of the screw hole, an internal thread is arranged in the middle of the inner wall of the screw hole, an external thread is arranged on the outer surface of the bottom end of the screw rod, and the screw hole is connected with the screw rod through the internal thread and the external thread.

Preferably, the edge part of the outer surface of the disc is provided with anti-skid grains at equal intervals, and the support frame is connected with the box body through screws.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. Through support frame, round hole, cylinder and box, can fix and dismantle the sample injector body, and then reduced the installation of sample injector body and dismantled the degree of difficulty, further be convenient for carry the sample injector body, reduced the transport degree of difficulty of sample injector body.

2. Through connecting block, connecting rod, sample dish, ball, half slot and antifriction bearing, can reduce the frictional force between sample dish and the fixed disk, the rotation of the sample dish of being convenient for reduces the rotation degree of difficulty of sample dish, simultaneously, can carry on spacingly and protection to the test tube, prevents the test tube at the inside phenomenon of bumping of sample dish, and then has increased the life of test tube.

3. through screw, screw rod, disc, protruding type board and fixed disk, can fix and spacing sample dish, prevent that sample dish from taking place the phenomenon of rocking at the pivoted in-process, simultaneously, through mutually supporting between screw and the screw rod, can be convenient for dismantle sample dish, further be convenient for change sample dish.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the semicircular groove of the present invention;

FIG. 3 is a schematic view of the installation structure of the ball of the present invention;

Reference numbers in the figures: 1. a sample injector body; 2. a circular hole; 3. a support frame; 4. a cylinder; 5. fixing the disc; 6. a convex plate; 7. connecting blocks; 8. a connecting rod; 9. a limiting hole; 10. a test tube; 11. a sample tray; 12. a circular groove; 13. a disc; 14. a semicircular groove; 15. a rolling bearing; 16. a screw; 17. a screw hole; 18. a receiving chamber; 19. a ball; 20. and (4) a box body.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

example (b): as shown in fig. 1-3, the utility model provides a technical scheme, a carousel formula headspace automatic sample injector, including sample injector body 1, the welding of 1 bottom limit portion of sample injector body has fixed disk 5, the welding of 5 bottom middle parts of fixed disk has cylinder 4, 5 top limit portions of fixed disk install protruding template 6, 6 top limit portions of protruding template install antifriction bearing 15, antifriction bearing 15 top limit portions install sample dish 11, sample dish 11 inner wall corresponds antifriction bearing 15 surface position department and has seted up circular slot 12, spacing hole 9 has been seted up to 11 top limit portions of sample dish equidistance, spacing hole 9 inner wall limit portion bonds there is the sponge, through instantaneous dry glue bonding connection between spacing hole 9 and the sponge, can protect test tube 10, increase test tube 10's life, spacing hole 9 inner wall middle part is provided with test tube 10.

correspond test tube 10 middle part both sides position department in 11 bottoms of sample tray and all weld connecting rod 8, 8 bottom mid-mounting of connecting rod have connecting block 7, pass through welded connection between connecting block 7 and the connecting rod 8, can make between connecting block 7 and the connecting rod 8 more stable, prevent to take place the phenomenon that drops between connecting block 7 and the connecting rod 8, connecting block 7 inner wall middle part has been seted up and has been accomodate cavity 18, it is provided with ball 19 to accomodate cavity 18 inner wall middle part, 19 outer surface coating of ball has anti-rust paint, protection ball 19, increase ball 19's life.

The middle part of the bottom end of the cylinder 4 is provided with a box body 20, the top end of the box body 20 is provided with a round hole 2 corresponding to the bottom end position of the cylinder 4, the edge part of the bottom end of the fixed disk 5 is provided with a support frame 3 at equal intervals, the middle part of the top end of the fixed disk 5 is provided with a screw hole 17, the middle part of the inner wall of the screw hole 17 is provided with a screw 16, the outer diameter of the screw 16 is equal to the inner diameter of the screw hole 17, the middle part of the inner wall of the screw hole 17 is provided with an inner thread, the outer surface of the bottom end of the screw 16 is provided with an outer thread, the screw hole 17 is connected with the screw 16 through the inner thread and the outer thread, the installation of the screw 16 can be convenient, the screw 16 can be fixed and limited, the edge part of the top end, the phenomenon that the supporting frame 3 and the box body 20 fall off is prevented, and the position of the edge part of the outer surface of the round bead 19, which corresponds to the top end of the fixed disc 5, is provided with a semicircular groove 14.

The utility model discloses a theory of operation and use flow: in the actual installation process of the turntable type headspace automatic sample injector, a cylinder 4 at the bottom end of a sample injector body 1 is placed in a circular hole 2, the sample injector body 1 is supported by a support frame 3, the support frame 3 is connected with a box body 20 through screws, the support frame 3 is further convenient to disassemble, the sample injector body 1 is further convenient to disassemble, a user places a convex plate 6 on a fixed disc 5, a rolling bearing 15 is installed at the top end of the convex plate 6, a sample disc 11 is placed on the outer surface edge part of the rolling bearing 15, and then a disc 13 is rotated to enable a screw 16 to enter a screw hole 17 to limit the sample disc 11, so that the position of the sample disc 11 is prevented from moving;

In the actual operation process of the turntable type headspace automatic sample injector, the test tube 10 is placed in the limiting hole 9, then, a stepping motor outside the sample injector is connected with commercial power, the turret is driven to rotate by the stepping motor, the turret drives the sample disc 11 to rotate in the rotating process, the sample disc 11 drives the rolling bearing 15 to rotate in the operating process, and the ball 19 at the bottom end of the sample plate 11 rotates in the semicircular groove 14, so that the friction force between the sample plate 11 and the fixed plate 5 is reduced, thereby facilitating the rotation of the sample tray 11, separating the test tubes 10 through the connecting block 7 and the connecting rod 8, preventing the mutual collision among a plurality of test tubes 10, and then protected test tube 10, and when sample dish 11 damaged, disc 13 rotated, and disc 13 drives screw rod 16 from the inside separation of screw 17, can be convenient for dismantle sample dish 11, further be convenient for change sample dish 11.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a carousel formula headspace automatic sample injector, includes sample injector body (1), its characterized in that: the device comprises a sample injector body (1), a fixed disk (5) is welded at the bottom end of the sample injector body, a cylinder (4) is welded at the middle of the bottom end of the fixed disk (5), a convex plate (6) is installed at the top end of the fixed disk (5), a rolling bearing (15) is installed at the top end of the convex plate (6), a sample disk (11) is installed at the top end of the rolling bearing (15), a circular groove (12) is formed in the inner wall of the sample disk (11) corresponding to the outer surface position of the rolling bearing (15), limiting holes (9) are formed in the top end of the sample disk (11) at equal intervals, test tubes (10) are arranged in the middle of the inner wall of the limiting holes (9), connecting rods (8) are welded at the bottom end of the sample disk (11) corresponding to the positions of two sides of the middle of the test tubes, the middle part of the inner wall of the containing cavity (18) is provided with a ball (19).

2. The rotating disc type headspace automatic sample injector according to claim 1, characterized in that sponge is bonded to the edge of the inner wall of the limiting hole (9), and the limiting hole (9) and the sponge are bonded together by instant adhesive.

3. the spinning disk headspace autosampler of claim 1, wherein the connection block (7) and the connection rod (8) are connected by welding.

4. The rotating disk headspace autosampler of claim 1, wherein the outer surface of said bead (19) is coated with a rust-inhibiting paint.

5. the rotating disc type headspace automatic sample injector according to claim 1, characterized in that a box (20) is installed in the middle of the bottom end of the cylinder (4), a round hole (2) is formed in the position, corresponding to the bottom end of the cylinder (4), of the top end of the box (20), a support frame (3) is installed at the equal distance of the bottom end edge of the fixed disc (5), a screw hole (17) is formed in the middle of the top end of the fixed disc (5), a screw rod (16) is arranged in the middle of the inner wall of the screw hole (17), a disc (13) is welded on the top end edge of the screw rod (16), and a semicircular groove (14) is formed in the position, corresponding to the top end.

6. The rotating disc type headspace automatic sample injector according to claim 5, characterized in that the outer diameter of the screw (16) is equal to the inner diameter of the screw hole (17), the middle part of the inner wall of the screw hole (17) is provided with internal threads, the outer surface of the bottom end of the screw (16) is provided with external threads, and the screw hole (17) and the screw (16) are connected through the internal threads and the external threads.

7. The rotating disc type headspace automatic sample injector according to claim 5, characterized in that the edges of the outer surface of the disc (13) are provided with anti-slip lines at equal intervals, and the support frame (3) is connected with the box body (20) through screws.