CN218854326U

CN218854326U - Chemical reagent sampler

Info

Publication number: CN218854326U
Application number: CN202221660787.0U
Authority: CN
Inventors: 巩强; 张建
Original assignee: Yixin Microelectronic Materials Nantong Co ltd
Current assignee: Yixin Microelectronic Materials Nantong Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-04-14
Anticipated expiration: 2032-06-29

Abstract

The utility model relates to a sampler technical field specifically discloses a chemical reagent sampler, including base, aurilave, rigid coupling support frame on the base, the symmetry is equipped with the slide rail on the support frame, the equal vertical setting of slide rail, sliding connection has the fixed subassembly that is used for fixed pipette on the slide rail, fixed subassembly including the symmetry set up and respectively with slide rail sliding connection's slider and the fixed cover of rigid coupling between the slider, can dismantle in the fixed cover and be connected with the pipette that matches and use with the aurilave, the utility model provides a traditional chemical sampler lead to taking a sample coarse problem owing to need handheld pipette to absorb reagent pipette and rock easily.

Description

Chemical reagent sampler

Technical Field

The application relates to the technical field of samplers, and particularly discloses a chemical reagent sampler.

Background

When a chemical experiment is carried out, a chemical reagent sampler is indispensable when liquid is taken, a pipette which is one kind of the chemical reagent sampler is often used for sucking a certain amount of reagent and moving the reagent into a volumetric flask, and when the liquid is taken, the pipette is often a hand-held pipette and a hand-held auricle; the negative pressure of the suction ball is utilized to suck the chemical reagent in the beaker into the pipette, and then the reagent in the pipette is finally released into the volumetric flask for the whole sampling process. This get liquid in-process and need both hands operation, it is comparatively inconvenient.

Accordingly, the present inventors have provided a chemical reagent sampler to solve the above problems.

Disclosure of Invention

The utility model aims to solve traditional chemical sampler and lead to inconvenient problem of absorbing reagent owing to need both hands operation.

In order to achieve the above object, the utility model discloses a basic scheme provides a chemical reagent sampler, including base, aurilave, rigid coupling support frame on the base, the symmetry is equipped with the slide rail on the support frame, the equal vertical setting of slide rail, sliding connection has the fixed subassembly that is used for fixed pipette on the slide rail, fixed subassembly including the symmetry set up and respectively with slide rail sliding connection's slider and the fixed cover of rigid coupling between the slider, can dismantle in the fixed cover and be connected with the pipette of using with aurilave collocation.

The principle and effect of this basic scheme lie in:

1. the utility model discloses a fixed cover can be vertical fixed with the pipette, thereby the slider can move on the slide rail and adjust the high assurance pipette of pipette and can absorb chemical reagent, and the auricle forms the negative pressure at the pipette top, and chemical reagent is because receiving the negative pressure and being absorbed the pipette inside.

2. Compared with the prior art, the utility model discloses simple structure thinks about ingeniously, and the pipette is fixed and need not handheld pipette operation on the support frame, only need slide the pipette to suitable height, and the chemical reagent can be absorbed to handheld auricle ball, makes the sample become light simple more, has solved traditional chemical sampler and has leaded to the inconvenient problem of absorbing reagent owing to needing both hands to operate.

Further, the support frame includes bracing piece and the connecting rod of symmetry rigid coupling at the bracing piece top of symmetry rigid coupling on the base, and the connecting rod is all established between the bracing piece and respectively perpendicular with the bracing piece, and the slide rail lateral wall respectively with the free end rigid coupling of connecting rod. The slide rail sets up two, and two sliders support simultaneously and drive fixed cover and remove, have guaranteed that the slider atress is even when bearing the pipette.

Further, the fixed sleeve comprises an outer pipe fixedly connected with the sliding block and an inner pipe connected with the inner part of the outer pipe in a threaded manner, and the pipette is detachably connected with the inner pipe. The inner tube and outer tube threaded connection rotate the inner tube for the outer tube and just can be with the inner tube from the inside light loose turn of outer tube down, realized the light installation and the dismantlement of pipette.

Further, an anti-skid rubber sleeve is arranged between the inner tube and the pipette. On the one hand, the anti-skidding rubber sleeve prevents that the pipette from sliding in the inner tube, increases the stability of the pipette, and on the other hand, avoids the pipette to be scraped by the inner wall of the inner tube when taking down from the inner tube.

Further, the base below is equipped with the bottom plate that can place on the desktop, and the symmetry rigid coupling has the screw rod on the bottom plate, and the symmetry is equipped with the through-hole on the base, and through-hole and rigid coupling have the stopper are worn into on the top of screw rod, and equal threaded connection has the supporting disk that is used for supporting the base on the screw rod. Rotate the supporting disk, the supporting disk can move on the screw rod and has realized the height of adjustment base simultaneously, and the liquid level of pipette is looked squarely when absorbing chemical reagent to the operating personnel of being convenient for, reduces the error, avoids operating personnel to bow simultaneously and observes the inside liquid level position of pipette.

Furthermore, the lateral wall rigid coupling of bracing piece has the solid fixed ring that is used for placing the auricle. The fixed ring plays a role in accommodating the suction ear ball, and is convenient for the suction ear ball to take.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic diagram of a chemical sampler according to an embodiment of the present disclosure;

FIG. 2 shows a front view of FIG. 1 in a chemical sampler according to an embodiment of the present disclosure;

fig. 3 is a partially enlarged view of fig. 2 in a chemical sampler according to an embodiment of the present disclosure.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the device comprises a base 1, a bottom plate 2, a screw rod 3, a supporting plate 4, a limiting block 5, a supporting rod 6, a connecting rod 7, a sliding rail 8, a sliding block 9, an outer tube 10, an inner tube 11, a rubber sleeve 12, a pipette 13, a fixing ring 14, an ear sucking ball 15 and a beaker 16.

The embodiment is shown in fig. 1 and 2, include bottom plate 2 and establish base 1 in bottom plate 2 top, the both ends symmetry rigid coupling has screw rod 3 about on bottom plate 2, both ends all are equipped with the through-hole about on base 1, the through-hole is worn out respectively to the double-screw bolt and the rigid coupling has stopper 5, equal threaded connection has supporting disk 4 on the double-screw bolt, supporting disk 4 all is located base 1 below, the symmetry rigid coupling has bracing piece 6 on base 1, the equal rigid coupling in bracing piece 6 top has connecting rod 7, two connecting rod 7 symmetries set up and are located between the bracing piece 6.

As shown in fig. 3, the equal rigid coupling of tip of connecting rod 7 has slide rail 8, the inside equal sliding connection of slide rail 8 has slider 9, be equipped with outer tube 10 between the slider 9, the outer tube 10 left and right sides respectively with smooth fast welding, outer tube 10 inner wall is equipped with the internal thread, the inside threaded connection of outer tube 10 has inner tube 11, the outer wall of inner tube 11 is equipped with can with the external screw thread of internal thread meshing, the inside cover of inner tube 11 has pipette 13, the joint has rubber sleeve 12 between outer tube 10 inner wall and the pipette 13, a plurality of through-holes have all been opened to the 8 lateral walls of slide rail, all be equipped with the screw hole on the slider 9, the equal threaded connection has the gag lever post in the screw hole, one of them through-hole and welding have the nut on the slide rail 8 are worn out respectively to the tip of gag lever post.

A beaker 16 for containing chemical reagents is also arranged on the base 1, a fixing ring 14 is fixedly connected with the outer wall of the supporting rod 6 on the left side of the base 1, and an ear-sucking ball 15 is arranged on the fixing ring 14.

The specific implementation process comprises the following steps: when using the pipette 13 to absorb a certain amount of chemical reagent, operating personnel rotates supporting disk 4 earlier, make base 1 be located one and be convenient for operating personnel to observe the height of pipette 13, then rotate the gag lever post again and make the gag lever post break away from slider 9, the relative position with slide rail 8 of adjustment slider 9 makes the pipette 13 bottom get into below the liquid level of beaker 16 inside, then inside the suitable through-hole of inserting the gag lever post and rotate the gag lever post and make the gag lever post wear the screw hole on the slider 9, the position of slider 9 on slide rail 8 has just been fixed this moment, pipette 13 has obtained fixedly simultaneously.

The operator only needs to use one hand to remove the suction ball 15 on the fixing ring 14 and squeeze the suction ball 15, the tip of the well suction ball 15 is placed at the top end of the pipette 13, the suction ball 15 is in close contact with the pipette 13, the suction ball 15 is slowly released, at the moment, chemical reagent in the beaker 16 is sucked into the pipette 13 due to the negative pressure of the suction ball 15, the height of the pipette 13 is adjusted in advance, at the moment, the operator does not need to bend when observing the liquid level in the pipette 13, when the chemical reagent in the pipette 13 meets the required amount, the suction ball 15 is not released any more, the top end of the pipette 13 is closed by hand while removing the suction ball 15, at the moment, the pipette 13 is directly removed from the inner tube 11, and liquid is released into the bottle.

The used pipette 13 should be cleaned, and different pipettes 13 have different external diameters, because the inner tube 11 is screwed with the outer tube 10, the inner tube 11 can be screwed out from the outer tube 10, and the operator can fix the pipette 13 with different external diameters by replacing the inner tubes 11 with different internal diameters.

The utility model discloses can absorb chemical reagent with the fixed operating personnel of being convenient for of pipette 13, can also adjust pipette 13's the height that highly makes things convenient for operating personnel to observe the inside liquid level of pipette 13 simultaneously, make whole sampling process become light, the in-process that operating personnel sampled no longer needs a handheld pipette 13 of a handheld auricle ball 15, has solved traditional chemical sampler and has leaded to inconvenient problem of absorbing reagent owing to need both hands to operate.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A chemical reagent sampler, comprising: including base, auricle, rigid coupling support frame on the base, the symmetry is equipped with the slide rail on the support frame, the equal vertical setting of slide rail, sliding connection has the fixed subassembly that is used for fixed pipette on the slide rail, fixed subassembly including the symmetry set up and respectively with slide rail sliding connection's slider and the fixed cover of rigid coupling between the slider, can dismantle in the fixed cover and be connected with the pipette that uses with auricle collocation.

2. The chemical reagent sampler of claim 1, wherein the side wall of the slide rail is provided with a plurality of through holes in sequence from top to bottom, the slide block is provided with a threaded hole, a limiting rod is connected with the threaded hole in a threaded manner, and the free end of the limiting rod penetrates through the through hole and is fixedly connected with a nut.

3. A chemical reagent sampler according to claim 1 wherein the support comprises support rods symmetrically fixed to the base and connecting rods symmetrically fixed to the tops of the support rods, the connecting rods are disposed between the support rods and perpendicular to the support rods, respectively, and the side walls of the slide rails are fixed to the free ends of the connecting rods, respectively.

4. A chemical reagent sampler according to claim 1, 2 or 3 wherein the retaining sleeve comprises an outer tube fixedly connected to the slide and an inner tube threadedly connected to the inside of the outer tube, the pipette being removably connected to the inner tube.

5. A chemical reagent sampler according to claim 4 wherein a non-slip rubber sleeve is provided between the inner tube and the pipette.

6. A chemical reagent sampler according to claim 5 wherein a base plate is provided below the base and can be placed on a table top, screws are symmetrically and fixedly connected to the base plate, through holes are symmetrically provided in the base, the top ends of the screws penetrate into the through holes and are fixedly connected with limit blocks, and the screws are all in threaded connection with support discs for supporting the base.

7. A chemical reagent sampler according to claim 3 in which the side wall of the support rod is secured to a retaining ring for holding a pipette bulb.