CN217980872U

CN217980872U - Self-sealing sampling bottle and automatic water quality sampler

Info

Publication number: CN217980872U
Application number: CN202221762969.9U
Authority: CN
Inventors: 陈振祥; 柯慧贤
Original assignee: XIAMEN STANDARDS SCIENTIFIC INSTRUMENT CO LTD
Current assignee: XIAMEN STANDARDS SCIENTIFIC INSTRUMENT CO LTD
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-12-06
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a self sealss sampling bottle and have quality of water automatic sampler of this self sealss sampling bottle, wherein, self sealss sampling bottle includes bottle (10) and resilient seal pad (20). The bottle body (10) is arranged into a fan-shaped columnar structure with an internal cavity (11), and the upper end and the lower end of the bottle body are respectively provided with a sample inlet (12) and a sample outlet (13); elastic sealing pad (20) can be dismantled fixed the upper end that sets up in introduction port (12) for sealed sampling bottle, be provided with on elastic sealing pad (20) and supply water appearance pipe male (21) that crack, crack (21) have elastic contraction power, and the accessible pastes the outer wall and the automatic contraction closure of tight water appearance pipe, realizes good self sealss. It can keep the good sealed of self sealss sampling bottle, avoids water sample to volatilize and reduces or the component changes and influence the accuracy of water sample testing result, and seal structure is simple, and the water sample is difficult for spilling over and maintains conveniently, and processing cost is low.

Description

Self-sealing sampling bottle and automatic water quality sampler

Technical Field

The utility model relates to an automatic sampling technical field of quality of water, more specifically say, relate to a self sealss sampling bottle and have this self sealss sampling bottle's quality of water automatic sampler.

Background

When the water quality is automatically monitored, an automatic water quality sampler is often used for reserving a collected water sample. The automatic water quality sampler is a device for automatically collecting and storing water samples according to a preset sampling mode, and generally comprises a control unit, a water collecting unit, a water sample distribution device, a sampling bottle, a constant temperature unit and the like. Wherein, the inside of sample thief usually can set up a plurality of sampling bottles, is used for storing the water sample of different time quantum. According to the requirement, a sampling bottle made of inert materials with the capacity of at least 500ml is required for water sample preservation.

Traditional sampling bottle adopts open conventional reagent bottle, simple structure, and is with low costs, nevertheless does not have sealed function, and this often can lead to volatilizing of water sample, influences the accuracy of water sample testing result. Achieving self-sealing of a sample bottle is therefore a focus of attention for those skilled in the art.

In the prior art, a sampling bottle sealed by a bottle cap is provided, and although the sealing structure of the bottle cap meets the self-sealing requirement of the sampling bottle, the opening and closing of the bottle cap are completed by a manipulator, so that the whole structure is complex, the maintenance is difficult and the process cost is high; another kind adopts the sealed sampling bottle of check valve, both ends installation check valve about the sampling bottle have satisfied the self sealss requirement of sampling bottle as introduction port and leakage fluid dram, but because introduction port has installed the check valve, in the unable complete entering sampling bottle of water sample pipe, the water sample has the risk of overflowing during the sampling.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, to the above-mentioned structure complicacy of prior art, maintain difficulty and with high costs, the water sample has the defect that spills over the risk, provide a simple structure, maintain convenient and with low costs, the difficult self sealss sampling bottle and the quality of water automatic sampler that spill over of water sample.

The utility model provides a technical scheme that its technical problem adopted is, construct a self sealss sampling bottle, include:

the water sample bottle comprises a bottle body, a bottle body and a water sample outlet, wherein the bottle body is of a fan-shaped columnar structure with an internal cavity, the upper end and the lower end of the bottle body are respectively provided with a sample inlet and a sample outlet which are communicated with the internal cavity, the sample inlet is used for inserting an external water sample pipe into the internal cavity, a water sample enters and is stored in the internal cavity through the water sample pipe, and the sample outlet is used for discharging the water sample stored in the internal cavity out of the internal cavity;

elastic sealing pad, its detachably is fixed to be set up the upper end of introduction port is used for sealing the introduction port, elastic sealing pad stacks up and is provided with the confession water sample pipe male cracks, works as water sample pipe passes through elastic sealing pad inserts during the inside cavity, crack and be in open under the extrusion of water sample pipe, just it has elastic contraction power to crack, makes its paste tightly the outer wall of water sample pipe works as water sample pipe is followed elastic sealing pad takes out the time, elastic contraction and automatic closure crack realizes the self sealss of introduction port.

Optionally, the slit is a cross slit in a cross shape, and is uniformly arranged at the center of the elastic sealing gasket and is uniformly opened to the periphery when being pressed by the water sampling pipe.

Optionally, still include the bottle lid, its cover the elastic sealing pad and with the outer wall fixed connection of introduction port, the upper end of bottle lid is formed with the confession water sample pipe male trompil.

Optionally, the sampling device further comprises a spring check valve arranged on the sample outlet and used for opening or sealing the sample outlet.

Optionally, the spring check valve specifically includes:

the valve body is provided with an internal cavity extending up and down and comprises a valve body upper part and a valve body lower part, and the valve body upper part is detachably connected with the valve body lower part;

the sealing ring is arranged outside the lower part of the valve body, is tightly attached to the sample outlet and is used for sealing the valve body and the sample outlet;

the sealing ejector rod is arranged in the inner cavity and is in close contact with the lower part of the valve body, and the sealing ejector rod is used for sealing the sample outlet;

the spring, its cover is established the upper end of sealed ejector pin, the upper end of spring with the valve body is connected, the lower extreme of spring with the lower extreme of sealed ejector pin is connected, the spring is compression state and right sealed ejector pin provides decurrent elastic force, makes the lower extreme of sealed ejector pin with the valve body lower part closely laminates, seals the appearance mouth.

Optionally, a groove matched with an external automatic water sampler is formed in the bottle body, and the bottle body is connected with the sampler in an assembling mode through the groove.

Optionally, a gripping groove for a user to take the self-sealing sampling bottle is formed in the bottle body.

Optionally, the bottle body further comprises a limiting ring, which is arranged outside the sample outlet and used for limiting the fixed position of the bottle body.

The automatic water sampler is provided with the self-sealing sampling bottle.

Implement the utility model discloses a self sealss sampling bottle and quality of water automatic sampler has following beneficial effect:

when the elastic sealing gasket with the opening seam is used as the sealing structure of the sampling bottle body sample inlet, good sealing can be kept, the volatilization of a water sample in the sampling bottle is avoided, or other components enter the sampling bottle to influence the accuracy of a water sample detection result.

During sampling, the water sample pipe is inserted into the inner cavity of the bottle body through the slit on the elastic sealing gasket, the slit is opened under the extrusion of the water sample pipe, and the elastic sealing gasket is used for enabling the slit to be tightly attached to the outer wall of the water sample pipe; after sampling, the water sample tube is taken out from the elastic sealing gasket, and the seam is automatically closed by elastic shrinkage, so that self-sealing is realized. The sealing structure is simple, can automatically realize sealing, and is low in operation cost. With the water sample pipe through the crack on the elastic sealing pad stretch into the self sealss sampling bottle and advance the appearance, the water sample is difficult for overflowing. The elastic sealing gasket is detachably arranged, so that the elastic sealing gasket is easy to replace, convenient to maintain and capable of reducing the process cost.

The automatic water quality sampler with the self-sealing sampling bottle can also realize the same beneficial effect.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic structural view of a self-sealing sampling bottle provided by the present invention;

fig. 2 is an exploded schematic view of a self-sealing sample bottle provided by the present invention;

FIG. 3 is a side view of a self-sealing sample bottle provided by the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is an exploded view of the self-sealing sampling bottle spring check valve provided by the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, the embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of a self-sealing sampling bottle provided by the present invention. Fig. 2 is a schematic view of the self-sealing sampling bottle according to the present invention. As shown in fig. 1 and 2, the self-sealing sampling bottle provided by the present invention mainly comprises a bottle body 10, an elastic sealing gasket 20, a bottle cap 30, and a spring check valve 40.

The bottle 10 may be formed in any regular or irregular geometric shape, such as a cube, cuboid, cylinder, prism, etc. As shown in FIGS. 1 and 2, the vial body 10 of this embodiment is configured as a cylindrical structure having a fan-shaped cross-section, and when assembled, the plurality of self-sealing sample vials preferably cooperate with a sampler (not shown) to save space. The bottle body 10 is provided with an internal cavity 11 for storing a water sample, the upper end and the lower end of the bottle body 10 are respectively provided with a sample inlet 12 and a sample outlet 13 which are communicated with the internal cavity 11, the sample inlet 12 can be used for inserting a water sample tube (not shown) into the internal cavity 11, the water sample enters the internal cavity 11 through the water sample tube to be stored, and the sample outlet 13 can be used for discharging the water sample stored in the internal cavity 11 out of the internal cavity 11.

As an example, the bottle body 10 is provided with a groove 14 for fitting with a sampler, and the bottle body 10 can be fixedly connected with the sampler through the groove 14.

As shown in fig. 1 and 2, the bottle body 10 is further provided with two grip grooves 15 for facilitating taking of the sample bottle. The gripping groove 15 of this embodiment sets up to the arc structure, accords with human hand engineering, and convenience of customers takes self sealss sampling bottle.

Illustratively, the vial 10 further includes a stop collar 16 disposed outside the sample outlet 13, the stop collar 16 defining the position at which the vial 10 is secured to the sample collector during assembly.

As an example, as shown in fig. 1, the lower end of the bottle body 10 is provided with an inclined surface 17, and when a sample is taken, the inclined surface 17 plays a role of drainage, so as to guide a water sample at the bottom of the bottle body 10 to the sample outlet 13, which is beneficial for emptying the water sample stored in the sample bottle.

Fig. 3 isbase:Sub>A side view ofbase:Sub>A self-sealing sampling bottle provided by the present invention, and fig. 4 isbase:Sub>A cross-sectional view of fig. 3 taken along linebase:Sub>A-base:Sub>A. As shown in fig. 2 to 4, an elastic sealing gasket 20 is detachably and fixedly disposed at the upper end of the injection port 12 to seal the injection port 12. The elastic sealing pad 20 may be an elastic rubber pad, an elastic plastic pad or an elastic silicone pad. In this embodiment, the elastic sealing pad 20 is an elastic silicone pad. The configuration (e.g., shape and size) of the resilient gasket 20 may be configured according to the configuration of the corresponding inlet 12. In this embodiment, the elastic sealing gasket 20 and the sample inlet 12 are both circular, and the outer diameter of the elastic sealing gasket 20 is slightly larger than the inner diameter of the sample inlet 12, so as to ensure the sealing property. Wherein the removable arrangement allows for convenient maintenance and replacement of the resilient gasket 20 when damaged.

Further, the elastic packing 20 is provided with a slit 21 into which the water sample tube is inserted, and the slit 21 may be formed in a regular or irregular shape such as a "T" shape, a "Y" shape, a "cross" shape, a "x" shape, a "m" shape, or the like. As shown in fig. 2, the slit 21 of the present embodiment employs a cross slit 21a in a cross shape, which is uniformly provided at the center of the elastic packing 20. During sampling, the water sample pipe is inserted into the inner cavity 11 through the cross-shaped seam 21a on the elastic sealing gasket 20, the cross-shaped seam 21a is uniformly opened towards the periphery under the pressure action of the water sample pipe, and due to the elastic action of the elastic sealing gasket 20, the cross-shaped seam 21a has larger elastic contraction force so as to be tightly attached to the outer wall of the water sample pipe; after sampling is finished, the water sample tube is pulled out from the cross-shaped seam 21a of the elastic sealing gasket 20, liquid is not easy to adhere to the outer wall of the water sample tube under the friction action of the cross-shaped seam 21a, and the cross-shaped seam 21a is automatically closed by elastic contraction to realize self-sealing.

Further, the slit width of the slit 21 should not be too large or too small, and if too large, sealing cannot be achieved, and if too small, the water sample tube is not easily passed through. Preferably, the width of the slit 21 ranges from 0.3 mm to 0.6 mm.

When using elastic sealing gasket 20 as seal structure, can keep good sealed all the time, avoid among the sampling bottle water sample to volatilize and reduce, thereby perhaps the outside has other compositions to get into the sampling bottle influence the accuracy of water sample testing result. Meanwhile, the sealing structure is simple, the sealing can be automatically realized, the operation cost is low, the replacement is easy, the maintenance is convenient, the water sample pipe is stretched into the sampling bottle through the elastic sealing gasket 20 for sample introduction, and the water sample is not easy to overflow.

Referring to fig. 2 to 4, the bottle cap 30 is fixedly connected to the sidewall of the injection port 12 by covering the elastic sealing gasket 20, and the fixing manner includes screwing, embedding or clipping. The cap 30 has an opening 31 formed at an upper end thereof for inserting a water sample tube. The center of the opening 31 and the center of the slit 21 are on the same axis, so that the insertion of the water sample tube is facilitated.

Furthermore, the shape of the opening 31 can be set corresponding to the shape of the cross section of the water sample tube, the inner diameter of the opening 31 is slightly larger than the outer diameter of the water sample tube, so that the clamping and position limitation of the opening 31 on the water sample tube can be realized, and the phenomenon that the slit 21 is deformed due to large left-right swing of the water sample tube in the sample introduction process to influence the sealing effect is avoided.

Although the bottle cap 30 is used to fix the elastic sealing gasket 20 to the injection port 12 in the present embodiment, it is understood that the elastic sealing gasket 20 can be fixed to the injection port 12 by absorption, snap-fit, adhesion, or the like.

As an example, as shown in fig. 2 to 4, a spring check valve 40 is provided on the outlet 13 for sealing the outlet 13 and draining the sampled water. Fig. 5 is an exploded view of the spring check valve of the self-sealing sampling bottle provided by the present invention. As shown in fig. 5, the spring check valve 40 includes a valve body 41, a seal ring 42, a seal carrier 43, and a spring 44. The valve body 41 is provided with an internal cavity extending vertically, the valve body 41 includes an upper valve body portion 41a and a lower valve body portion 41b, the upper valve body portion 41a and the lower valve body portion 41b are detachably connected, and in this embodiment, the upper valve body portion 41a and the lower valve body portion 41b are fixed together in a clamping manner. The sealing push rod 43 is arranged in an inverted T shape and is arranged in the inner cavity of the valve body 41, and the lower end of the sealing push rod 43 is tightly contacted with the inner part of the lower part 41b of the valve body through the action of a spring 44 arranged on the sealing push rod 43 so as to realize the sealing of the sample outlet 13.

Further, the spring 44 is sleeved on the upper end of the sealing ejector rod 43, the upper end of the spring 44 is fixedly connected with the upper part 41a of the valve body, and the lower end of the spring 44 is connected with or in contact with the lower end of the sealing ejector rod 43. In a natural state, the spring 44 is in a compressed state and provides a downward elastic acting force to the sealing ejector rod 43, so that the sealing ejector rod 43 is tightly attached to the lower part 41b of the valve body, and the sealing of the sampling bottle is ensured. When the sample is discharged, the liquid discharging rod (not shown) disposed at the lower end of the spring check valve 40 provides an upward pushing force to the sealing plunger 43, the spring 44 is further compressed, a gap is formed between the sealing plunger 43 and the inside of the valve body lower portion 41b, and the sampled water flows out through the gap, and when the force is removed, the elastic recovery action of the spring 44 causes the sealing plunger 43 to move downward and closely adhere to the inside of the valve body lower portion 41b, thereby automatically restoring the sealing state.

Another embodiment of the utility model provides a quality of water automatic sampler, it includes the control unit, adopts water unit (water sample pipe), water sample distributor, constant temperature unit etc. still includes above-mentioned embodiment self sealss sampling bottle. The specific structure of the self-sealing sampling bottle can refer to the above description, and is not described again. Other components such as the control unit, the water collecting unit and the like can adopt the existing structures. The automatic water quality sampler has the advantages of self-sealing, simple structure, convenient maintenance, low cost, difficult overflow of water samples and the like.

While the embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. A self-sealing sampling bottle, comprising:

the water sample bottle comprises a bottle body (10) which is arranged into a fan-shaped columnar structure with an internal cavity (11), wherein the upper end and the lower end of the bottle body (10) are respectively provided with a sample inlet (12) and a sample outlet (13) which are communicated with the internal cavity (11), the sample inlet (12) is used for inserting an external water sample pipe into the internal cavity (11), a water sample enters and is stored in the internal cavity (11) through the water sample pipe, and the sample outlet (13) is used for discharging the water sample stored in the internal cavity (11) out of the internal cavity (11);

elastic sealing pad (20), its detachably is fixed to be set up the upper end of introduction port (12), be used for sealing introduction port (12), be provided with the confession on elastic sealing pad (20) water sample pipe male (21) work as the water sample pipe passes through elastic sealing pad (20) insert during inside cavity (11), it is in to open (21) open under the extrusion of water sample pipe, just it has elastic contraction power to open (21), makes it paste tightly the outer wall of water sample pipe works as the water sample pipe is followed when elastic sealing pad (20) takes out, it contracts and automatic closure to open (21) elasticity, realizes the self sealss of introduction port (12).

2. The self-sealing sample bottle as claimed in claim 1,

the slit (21) is a cross-shaped slit (21 a) which is uniformly arranged at the center of the elastic sealing gasket (20) and is uniformly opened towards the periphery when being extruded by the water sampling pipe.

3. The self-sealing sample bottle as claimed in claim 1,

still include bottle lid (30), its cover elastic sealing pad (20) and with the outer wall fixed connection of introduction port (12), the upper end of bottle lid (30) is formed with confession water sample pipe male trompil (31).

4. The self-sealing sampling bottle as claimed in any one of claims 1 to 3,

and the device also comprises a spring check valve (40) which is arranged on the sample outlet (13) and is used for opening or sealing the sample outlet (13).

5. The self-sealing sampling bottle as claimed in claim 4, wherein the spring check valve (40) comprises in particular:

the valve body (41) is provided with an internal cavity extending up and down, the valve body (41) comprises a valve body upper part (41 a) and a valve body lower part (41 b), and the valve body upper part (41 a) is detachably connected with the valve body lower part (41 b);

a seal ring (42) which is provided outside the valve body lower part (41 b), is in close contact with the sample outlet (13), and is used for sealing between the valve body (41) and the sample outlet (13);

the sealing ejector rod (43) is arranged in an inverted T shape, and the sealing ejector rod (43) is arranged in the inner cavity, is in close contact with the lower part (41 b) of the valve body and is used for sealing the sample outlet (13);

spring (44), its cover is established the upper end of sealed ejector pin (43), the upper end of spring (44) with valve body (41) are connected, the lower extreme of spring (44) with the lower extreme of sealed ejector pin (43) is connected, spring (44) are compression state and right sealed ejector pin (43) provide decurrent elastic force, make the lower extreme of sealed ejector pin (43) with valve body lower part (41 b) closely laminates, seals outlet (13).

6. The self-sealing sample bottle as claimed in claim 4,

the automatic water quality sampler is characterized in that a groove (14) matched with an external automatic water quality sampler is formed in the bottle body (10), and the bottle body (10) is assembled and connected with the sampler through the groove (14).

7. The self-sealing sample bottle as claimed in claim 4,

the bottle body (10) is provided with a gripping groove (15) for a user to take the self-sealing sampling bottle.

8. The self-sealing sampling bottle of claim 4,

the bottle body (10) further comprises a limiting ring (16) which is arranged outside the sample outlet (13) and is used for limiting the fixed position of the bottle body (10).

9. An automatic water sampler comprising the self-sealing sample bottle according to any one of claims 1 to 8.