CN211784525U

CN211784525U - Injection type sampler convenient to change filter

Info

Publication number: CN211784525U
Application number: CN201922434384.9U
Authority: CN
Inventors: 马俊财; 李疆; 代亮
Original assignee: Xinjiang Meihua Amino Acid Co ltd
Current assignee: Xinjiang Meihua Amino Acid Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-27
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses an injection formula sample thief convenient to change filter, including a ware section of thick bamboo, pull rod and filter main part, the inside of a ware section of thick bamboo is provided with the pull rod, and the outside cover of pull rod is equipped with the filter main part, the bottom mounting of pull rod has the connecting plate, and the bottom mounting of connecting plate has first sealing washer, the both sides of filter main part bottom all are fixed with first fixture block, the one end that the left side of filter main part bottom is close to the pull rod has the inlet tube through pivot swing joint, the both sides of inlet tube outer wall lower extreme all are fixed with the fixed block, the inside of first sealing washer all be provided with fixed block complex fixed slot, the bottom of a ware section of thick bamboo is provided with the. The utility model discloses weaken when filter main part filter effect, only need to change the filter can, easy operation does not need operating personnel to pull hard simultaneously and carries out the needle tubing dismantlement to the possibility by the needle tubing injury has been reduced.

Description

Injection type sampler convenient to change filter

Technical Field

The utility model relates to an injection formula sample thief technical field specifically is an injection formula sample thief convenient to change filter.

Background

The filter of traditional injection formula sample thief is general fixed with the pull rod, but the filter is after repetitious usage, filterable impurity can accumulate gradually in the inside of filter, thereby influence the filter effect of filter gradually, the practicality of device has been reduced, when the needle tubing damage of traditional injection formula sample thief need be changed simultaneously, through the dismantlement operation of the downward pulling realization needle tubing of needle tubing, but this operation needs great strength to pull, very easily violently the strength in pulling, thereby make the needle tubing insert the hand, cause the potential safety hazard to the hand, the convenience and the security of device have been reduced, consequently, need an injection formula sample thief that is convenient for change the filter to solve foretell problem urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection formula sample thief convenient to change filter to solve the inside impurity accumulation of traditional filter that proposes in the above-mentioned background art will make the filter effect weaken gradually, the inconvenient problem of dismantling of traditional needle tubing simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: an injection type sampler convenient for replacing a filter comprises a sampler barrel, a pull rod and a filter main body, wherein the inside of the sampler barrel is provided with the pull rod, the outside of the pull rod is sleeved with the filter main body, the bottom end of the pull rod is fixed with a connecting plate, the bottom end of the connecting plate is fixed with a first sealing ring, the two sides of the bottom end of the filter main body are both fixed with first clamping blocks, one end of the left side of the bottom end of the filter main body, which is close to the pull rod, is movably connected with a water inlet pipe through a rotating shaft, the two sides of the lower end of the outer wall of the water inlet pipe are both fixed with fixing blocks, the inside of the first sealing ring is both provided with fixing grooves matched with the fixing blocks, the bottom end of the sampler barrel is provided with a sampling port, the outside of the lower end of the sampling port is provided with a connecting, two sets of all swing joint in the inside of cavity has the dwang, and the top of dwang all is fixed with presses the depression bar, the bottom of dwang all is fixed with the connecting rod, and the one end that the sampling opening was kept away from to the connecting rod all is fixed with the third fixture block, the bottom of connecting rod all is fixed with the fixed plate, and one side that the fixed plate is close to the sampling opening all is fixed with the spring, the inner wall at the cavity is fixed to one side that the spring is close to the sampling opening.

Preferably, a second sealing ring is glued to the upper end of the outer wall of the water inlet pipe.

Preferably, a rubber pad is fixed on one side, far away from the fixing block, of the inside of the fixing groove, and rubber bumps are glued on one side, close to the fixing block, of the rubber pad.

Preferably, the inside top of connecting plate all is provided with the first draw-in groove of mutually supporting with first fixture block, the both sides of sampling port bottom all are provided with the second draw-in groove of mutually supporting with the second fixture block, the inside one side that is close to the cavity of connecting block all is provided with the third draw-in groove of mutually supporting with the third fixture block.

Preferably, the top of cavity inside all is fixed with the limiting plate of mutually supporting with the pressure bar, and the bottom of limiting plate sets up to the inclined shape.

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

1. this injection type sample thief convenient to change filter is provided with the pull rod, the filter main part, first fixture block, the inlet tube, fixed block and fixed slot, when the filter main part needs to be changed, rotate the inlet tube, make the block of fixed block and fixed slot corner remove, upwards stimulate the filter main part afterwards, first fixture block is removed completely with being connected of first draw-in groove, the fixed block shifts out from the inside of fixed slot completely simultaneously, realize the dismantlement operation of filter main part, establish another filter main part cover outside the pull rod afterwards, make another first fixture block inside at first draw-in groove once more, rotate the inlet tube afterwards, realize the installation operation of filter main part, and easy operation weakens when filter main part filter effect, only need to change the filter can, the practicality of device has been improved.

2. This injection type sample thief convenient to change filter is provided with the sample connection, the connecting block, the needle tubing, the pressure bar, third fixture block and spring, when the needle tubing damaged, press the pressure bar downwards, make the third fixture block shift out from the inside of third draw-in groove gradually, stimulate the connecting block downwards afterwards, realize the dismantlement operation of needle tubing, promote another needle tubing to the direction of sample connection afterwards, press the pressure bar afterwards, under the cooperation of spring, make the inside of third fixture block at another third draw-in groove once more, and easy operation does not need operating personnel to drag hard, thereby reduced the possibility of being hurt by the needle tubing, the convenience and the security of device have been improved.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at C in FIG. 2 according to the present invention;

fig. 5 is a schematic side view of the local structure of the fixing groove and the rubber pad of the present invention.

In the figure: 1. a vessel barrel; 2. a pull rod; 3. a filter body; 4. a connecting plate; 5. a first seal ring; 6. a first clamping block; 7. a water inlet pipe; 8. a second seal ring; 9. a fixed block; 10. fixing grooves; 11. a rubber pad; 12. a sampling port; 13. connecting blocks; 14. a needle tube; 15. a second fixture block; 16. a cavity; 17. rotating the rod; 18. a connecting rod; 19. a pressing lever; 20. A third fixture block; 21. a fixing plate; 22. a spring; 23. and a limiting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment:

an injection type sampler convenient for replacing a filter comprises a sampler barrel 1, a pull rod 2 and a filter main body 3, wherein the pull rod 2 is arranged in the sampler barrel 1, the filter main body 3 is sleeved outside the pull rod 2, a connecting plate 4 is fixed at the bottom end of the pull rod 2, a first sealing ring 5 is fixed at the bottom end of the connecting plate 4, first clamping blocks 6 are fixed at two sides of the bottom end of the filter main body 3, one end, close to the pull rod 2, of the left side of the bottom end of the filter main body 3 is movably connected with a water inlet pipe 7 through a rotating shaft, a second sealing ring 8 is glued at the upper end of the outer wall of the water inlet pipe 7, through the design, the sealing performance of the device is improved, so that the pull rod 2 can absorb a sample conveniently, the practicability of the device is improved, when the device is pulled 02, the sample enters the inside of the filter main body 01 through a needle tube, in the inside of filter main part 3, sample reagent will upwards move gradually, realizes the successive layer of sample and filters, and after the sample filtration finished, the opening clamp on 3 tops of open filter main part opened, through the drain pipe discharge after the filtration of 3 tops of filter main part.

Both sides of the lower end of the outer wall of the water inlet pipe 7 are all fixed with fixing blocks 9, the inside of the first sealing ring 5 is provided with fixing grooves 10 matched with the fixing blocks 9, one sides, far away from the fixing blocks 9, of the fixing grooves 10 are all fixed with rubber pads 11, and rubber pads 11 are glued to one sides, close to the fixing blocks 9, of the rubber pads 11 to form rubber bumps.

The bottom end of the device barrel 1 is provided with a sampling port 12, the outer part of the lower end of the sampling port 12 is provided with a connecting block 13, the inner part of the connecting block 13 is fixed with a needle tube 14, the inner walls of the connecting block 13 at two sides of the needle tube 14 are both fixed with second clamping blocks 15, two sides of the inner part of the sampling port 12 are both provided with cavities 16, the inner parts of the two groups of cavities 16 are both movably connected with a rotating rod 17, the top end of the rotating rod 17 is both fixed with a pressing rod 19, the bottom end of the rotating rod 17 is both fixed with a connecting rod 18, one end of the connecting rod 18 far away from the sampling port 12 is both fixed with a third clamping block 20, the top end of the inner part of the connecting plate 4 is both provided with a first clamping groove mutually matched with the first clamping block 6, two sides of the bottom end of the sampling port 12 are both provided with second clamping grooves mutually matched with the second, the first fixture block 6 and the second fixture block 15 respectively perform position limiting operation on the filter body 3 and the connecting block 13, and the third fixture block 20 is clamped with the connecting block 13 to realize the fixing operation of the connecting block 13, so that the stability of the device is improved.

The bottom of connecting rod 18 all is fixed with fixed plate 21, and one side that fixed plate 21 is close to sampling port 12 all is fixed with spring 22, and spring 22 is close to one side of sampling port 12 and fixes the inner wall at cavity 16, and the inside top of cavity 16 all is fixed with the limiting plate 23 of mutually supporting with pressure arm 19, and the bottom of limiting plate 23 sets up to the shape of inclining, and through this design, limiting plate 23 carries out spacing operation to pressure arm 19, has improved the stability of device.

The working principle is as follows: when the needle tube 14 is damaged and needs to be replaced, the pressing rods 19 at two sides are firstly pressed towards the direction of the connecting block 13, at the same time, the spring 22 is in a compression force storage state, the connecting rod 18 moves towards the direction of the spring 22 along with the fixing plate 21, meanwhile, the third clamping block 20 moves along with the connecting rod 18, so that the connection between the third clamping block 20 and the third clamping groove is released, then the connecting block 13 is pulled towards the needle tube 14, at the same time, the second clamping block 15 gradually moves out of the inner part of the second clamping groove, the needle tube 14 is dismounted, next, the other needle tube 14 is placed below the sampling port 12, then the pressing rods 19 at two sides are pressed downwards, at the same time, the spring 22 is in a compression force storage state, at the same time, the fixing plate 21, the connecting rod 18 and the third clamping block 20 all move towards the direction of the spring 22, then, the needle tube 14 is pushed upwards until the second clamping block 15 is, subsequently, the pressing rod 19 is released from being pressed, and the third latch 20 is engaged again with the inside of the second latch groove, thereby realizing the replacement operation of the needle tube 14.

When filter body 3 needs to be dismantled, at first extract pull rod 2 completely from the inside of a ware section of thick bamboo 1, under the cooperation of pivot, clockwise rotation inlet tube 7 afterwards, fixed block 9 follows inlet tube 7 synchronous rotation, until the other end laminating of fixed block 9 and fixed slot 10, lift filter body 3 up afterwards, fixed block 9 shifts out from the inside of fixed slot 10 gradually this moment, and first fixture block 6 separates gradually with first draw-in groove simultaneously, realizes filter body 3's dismantlement operation, and the operation is ended to this point.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An injection sampler convenient for filter replacement, comprising a cartridge (1), a pull rod (2) and a filter body (3), characterized in that: the device comprises a device barrel (1), wherein a pull rod (2) is arranged in the device barrel (1), a filter main body (3) is sleeved outside the pull rod (2), a connecting plate (4) is fixed at the bottom end of the pull rod (2), a first sealing ring (5) is fixed at the bottom end of the connecting plate (4), first clamping blocks (6) are fixed on two sides of the bottom end of the filter main body (3), a water inlet pipe (7) is movably connected to one end, close to the pull rod (2), of the left side of the bottom end of the filter main body (3) through a rotating shaft, fixing blocks (9) are fixed on two sides of the lower end of the outer wall of the water inlet pipe (7), fixing grooves (10) matched with the fixing blocks (9) are arranged in the first sealing ring (5), a sampling port (12) is arranged at the bottom end of the device barrel (1), a connecting block (13) is arranged outside the lower end of the sampling port, and connecting block (13) inner wall of needle tubing (14) both sides all is fixed with second fixture block (15), the inside both sides of sample connection (12) all are provided with cavity (16), and are two sets of the inside swing joint that all has dwang (17) of cavity (16), and the top of dwang (17) all is fixed with and presses depression bar (19), the bottom of dwang (17) all is fixed with connecting rod (18), and the one end that sample connection (12) were kept away from in connecting rod (18) all is fixed with third fixture block (20), the bottom of connecting rod (18) all is fixed with fixed plate (21), and one side that fixed plate (21) are close to sample connection (12) all is fixed with spring (22), the inner wall at cavity (16) is fixed to one side that spring (22) are close to sample connection (12).

2. The syringe sampler of claim 1 wherein the filter is replaceable by: and a second sealing ring (8) is glued at the upper end of the outer wall of the water inlet pipe (7).

3. The syringe sampler of claim 1 wherein the filter is replaceable by: rubber pads (11) are fixed on one sides, far away from the fixing blocks (9), of the inner portions of the fixing grooves (10), and rubber bumps are glued on one sides, close to the fixing blocks (9), of the rubber pads (11).

4. The syringe sampler of claim 1 wherein the filter is replaceable by: the top of connecting plate (4) inside all is provided with the first draw-in groove of mutually supporting with first fixture block (6), the both sides of sampling port (12) bottom all are provided with the second draw-in groove of mutually supporting with second fixture block (15), the inside one side of being close to cavity (16) of connecting block (13) all is provided with the third draw-in groove of mutually supporting with third fixture block (20).

5. The syringe sampler of claim 1 wherein the filter is replaceable by: the top of cavity (16) inside all is fixed with limiting plate (23) of mutually supporting with pressing rod (19), and the bottom of limiting plate (23) sets up to the shape of inclining.