Extensible probe rod for water sample collection

Abstract

The utility model provides an extendable probe rod for water sample collection, which relates to the technical field of water sample collection and comprises a collection mechanism, the collection mechanism comprises a collection pump, the bottom of the collection pump is fixedly connected with a plurality of infusion heads, and a collection mechanism is arranged on the outer surface of the collection pump. According to the utility model, the collection mechanism and the collection mechanism are matched with each other, and the extension type sampling operation can be carried out through the extension seat arranged on the extension mechanism, the carving teeth connected with the extension seat, the formed sliding groove and the sliding block connected with the sliding groove; a limiting pipe arranged in the storage cabin body, a fixing insertion block connected with the limiting pipe, an insertion groove formed in a connecting shaft and a pressing groove are matched with an elastic piece connected in the storage cabin body; therefore, water samples still remaining in the collecting mechanism after sampling can be removed and directly discharged through the liquid drainage groove formed in the storage cabin, and the stability of the water samples is improved to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field of water sample collection, in particular to an extendable probe rod for water sample collection. Background Art

[0002] A water sampling probe is a tool used to obtain samples in water.

[0003] In the process of using the existing extendable probe rods for collecting water samples, usually an extendable rod component is used in conjunction with the collection component to collect water samples. Although this operation method can collect water samples at different locations, in actual use, the collection components connected to some probe rods usually only have the operations of suction and liquid discharge during use. This operation method may cause residual water samples in the collection component to contaminate water samples in different areas and cause sample damage during the process of collecting water samples from different areas in a short period of time. To a certain extent, it has certain instability and certain technical defects. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. During the use of the collection components connected to some probe rods, usually only the operations of suction and liquid discharge are performed. This operation method may cause the water samples in different areas to be contaminated due to residual water samples in the collection components, resulting in damage to the samples. To a certain extent, it has a certain instability. An extendable probe rod for water sample collection is provided.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an extendable probe rod for collecting water samples, comprising: a collecting mechanism, the collecting mechanism comprising a collecting pump, a plurality of infusion heads are fixedly connected to the bottom of the collecting pump, a collecting mechanism is provided on the outer surface of the collecting pump, the collecting mechanism comprises a cover body, a retaining groove is provided on the inner wall of the cover body, the inner wall of the retaining groove is fixedly connected to the outer surface of the collecting pump, one side of the collecting pump is fixedly connected to the top of the connecting shaft, a plurality of pressing grooves are provided on the outer surface of the connecting shaft, a plurality of slots are provided on the bottom of the connecting shaft, the outer surface of the connecting shaft is slidably and rotatably connected to the inner wall of a limiting tube, the bottom of the limiting tube is fixedly connected to the inner wall of a storage compartment, a plurality of retaining plugs are fixedly connected to the bottom of the limiting tube, a plurality of spring sheets are fixedly connected to the inner wall of the limiting tube, and the outer surfaces of the plurality of spring sheets are snap-fitted and connected to the inner wall of the pressing groove.

[0006] As a preferred embodiment, a liquid-repellent groove is provided at the bottom of the storage compartment, and a plurality of connecting tube seats are fixedly connected to the bottom of the storage compartment, and the inner walls of the plurality of connecting tube seats are snap-connected to the outer surface of the test tube, and the inner wall of the test tube is snap-connected to the outer surface of the infusion head.

[0007] As a preferred embodiment, an extension mechanism is provided on one side of the storage compartment body, and the extension mechanism includes an extension seat, one side of the extension seat is fixedly connected to one side of the storage compartment body, and both sides of the extension seat are fixedly connected with a plurality of teeth.

[0008] As a preferred embodiment, a slide groove is provided on one side of the extension seat, and the inner wall of the slide groove is slidably connected to the outer surface of the sliding block.

[0009] As a preferred embodiment, the top of the slider is fixedly connected to the bottom of the transfer member, a through groove is provided on one side of the slider, the bottom of the slider is fixedly connected to the top of the collection head, and the outer surface of the collection head is connected to the inner wall of the through groove.

[0010] As a preferred implementation, the top of the collection pump is fixedly connected to one end of a soft rubber tube, and one end of the soft rubber tube is fixedly connected to the top of the transfer member.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] The utility model can perform extended sampling operation through the cooperation between the collection mechanism and the collecting mechanism, and through the extension seat provided by the extension mechanism and the engraved teeth connected thereto, and through the slide groove and the slider connected therein. In the sampling process, the position can be limited through the cooperation between the limit tube provided in the storage cabin body and the fixed plug block connected thereto, and the slot provided by the connecting shaft, and the pressing groove and the spring piece connected to the storage cabin body, so that the water sample still remaining in the collection mechanism after the sampling is completed can be cleared and directly discharged through the liquid drainage groove provided in the storage cabin body, thereby improving the convenience of the mechanism and the stability of the water sample to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional schematic diagram of the overall external structure of an extendable probe rod for water sample collection provided by the utility model.

[0014] Figure 2 The utility model provides a three-dimensional structural diagram of the extension mechanism of the extendable probe rod for water sample collection in a cross-sectional state.

[0015] Figure 3It is a three-dimensional schematic diagram of the external overall structure of the extension mechanism partial components, the collection mechanism and the collection mechanism of an extendable probe for water sample collection provided by the utility model in an adjusted state.

[0016] Figure 4 The utility model provides a three-dimensional schematic diagram of the internal subassembly structure of a collection mechanism of an extendable probe rod for water sample collection in a cross-sectional state.

[0017] Legend:

[0018] 1. Collection mechanism; 11. Collection pump; 12. Soft hose; 13. Transfer parts; 14. Collection head; 15. Infusion head;

[0019] 2. Extension mechanism; 21. Extension seat; 22. Engraved teeth; 23. Slide groove; 24. Sliding block;

[0020] 3. Collecting mechanism; 31. Storage compartment; 32. Liquid drainage groove; 33. Cover body; 34. Limiting tube; 35. Retaining plug; 36. Shrapnel; 37. Connecting shaft; 38. Pressing groove; 39. Slot; 310. Connecting tube holder; 311. Test tube. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example 1

[0023] like Figure 3-Figure 4 As shown, the utility model provides a technical solution: an extendable probe for collecting water samples, comprising: a collecting mechanism 1, the collecting mechanism 1 comprises a collecting pump 11, a plurality of infusion heads 15 are fixedly connected to the bottom of the collecting pump 11, a collecting mechanism 3 is provided on the outer surface of the collecting pump 11, the collecting mechanism 3 comprises a cover body 33, a retaining groove is provided on the inner wall of the cover body 33, the inner wall of the retaining groove is fixedly connected to the outer surface of the collecting pump 11, one side of the collecting pump 11 is fixedly connected to the top of a connecting shaft 37, a plurality of pressing grooves 38 are provided on the outer surface of the connecting shaft 37, a plurality of slots 39 are provided on the bottom of the connecting shaft 37, the outer surface of the connecting shaft 37 is slidably and rotatably connected to the inner wall of a limiting tube 34, the bottom of the limiting tube 34 is fixedly connected to the inner wall of a storage compartment 31, a plurality of retaining plugs 35 are fixedly connected to the bottom of the limiting tube 34, a plurality of spring pieces 36 are fixedly connected to the inner wall of the limiting tube 34, and the outer surfaces of the plurality of spring pieces 36 are snap-connected to the inner wall of the pressing groove 38.

[0024] In this embodiment, the collection mechanism 1 can provide a stable water sample collection effect, the collection mechanism 3 can provide a convenient water sample anti-fouling and classified sampling effect, the collection pump 11 provides a retention effect for the infusion head 15, and the flowing water collected by the collection pump 11 will be transmitted through the infusion head 15, the cover body 33 can provide a retention effect for the collection pump 11 through the retention groove, the collection pump 11 provides a retention effect for the connecting shaft 37, and the connecting shaft 37 provides a limit and connection effect for the collection pump 11, the connecting shaft 37 can provide a rotation operation of a limited position and a connection effect of anti-dislocation through the pressure groove 38, the connecting shaft 37 can provide a positioning connection effect through the plurality of slots 39, and the connecting shaft 37 can be The limiting tube 34 slides and rotates in the predetermined groove, and the limiting tube 34 provides a fixed effect for the spring piece 36. In the process of sliding between the connecting shaft 37 and the predetermined groove, the pressure groove 38 and the spring piece 36 will move relative to each other. In the process of movement, the slot 39 provided in the connecting shaft 37 will gradually break away from the connection with the fixing plug 35 provided in the limiting tube 34. In the process of rotation of the connecting shaft 37, the position of the spring piece 36 is relatively set to the position of the fixing plug 35. Therefore, when the spring piece 36 is subjected to pressure, it will deform itself and get stuck in another pressure groove 38 when the connecting shaft 37 rotates to a certain extent. The range of each rotation of the connecting shaft 37 will be limited.

[0025] Example 2

[0026] like Figure 1-Figure 3 As shown, a liquid-repelling groove 32 is provided at the bottom of the storage compartment 31, and a plurality of connecting tube seats 310 are fixedly connected to the bottom of the storage compartment 31. The inner walls of the plurality of connecting tube seats 310 are snap-connected to the outer surface of the test tube 311, and the inner wall of the test tube 311 is snap-connected to the outer surface of the infusion head 15. An extension mechanism 2 is provided on one side of the storage compartment 31. The extension mechanism 2 includes an extension seat 21. One side of the extension seat 21 is fixedly connected to one side of the storage compartment 31. Both sides of the extension seat 21 are fixedly connected to A plurality of engraved teeth 22 are provided, and a slide groove 23 is provided on one side of the extension seat 21. The inner wall of the slide groove 23 is slidably connected to the outer surface of the slider 24. The top of the slider 24 is fixedly connected to the bottom of the transfer member 13. A through groove is provided on one side of the slider 24. The bottom of the slider 24 is fixedly connected to the top of the collection head 14. The outer surface of the collection head 14 is connected to the inner wall of the through groove through the top of the collection pump 11. The top of the collection pump 11 is fixedly connected to one end of the soft rubber tube 12, and one end of the soft rubber tube 12 is fixedly connected to the top of the transfer member 13.

[0027] In this embodiment, the storage chamber 31 can directly infiltrate and clean the remaining water sample after the water sample is collected through the provided liquid drainage groove 32, and the storage chamber 31 provides a retention effect for the connecting tube seat 310, and the connecting tube seat 310 allows the test tube 311 to be inserted therein, and the infusion head 15 connected to the collection pump 11 connected to the cover body 33 can cooperate with the connecting shaft 37 to slide, so that the cover body 33 is lifted and the test tube 311 can be collected, and the infusion head 15 connected to the collection pump 11 will be disconnected from the test tube 311 and the residual water sample can be cleaned, and the extended mechanism 2 provided can provide water sample collection at different positions The storage compartment 31 provides a fixing effect for the extension seat 21, and the extension seat 21 can provide an indicative operation effect through a plurality of engraved teeth 22, and the extension seat 21 can provide an object sliding effect through a slide groove 23 opened on one side, and the slider 24 can slide in a predetermined slot opened in the slide groove 23, and the slider 24 provides a fixing effect for the transfer member 13. During the sliding of the slider 24, the transfer member 13 will perform a follow-up displacement operation, and the slider 24 can allow the collection head 14 to pass through and perform the collection operation through the opened through groove, the collection pump 11 provides a fixing effect for the soft rubber tube 12, and the transfer member 13 provides a fixing effect for the soft rubber tube 12, and the soft rubber tube 12 provided can provide liquid circulation effect.

[0028] Working principle:

[0029] like Figure 1-Figure 4As shown, when it is necessary to collect water samples, the slider 24 on the extension seat 21 can be slid in the slide groove 23 provided therein, and during the sliding process, the collection head 14 on the transfer piece 13 connected to the slider 24 can be synchronously displaced, and during the displacement process, the position can be observed and a suitable position can be selected through the engraved teeth 22 on the extension seat 21. After the collection area is determined, the collection pump 11 can be started. When the collection pump 11 is started, the water sample will be collected by the collection head 14 and transmitted to the soft rubber tube 12 through the transfer piece 13, and the water sample will be injected into the test tube 311 through the infusion head 15 connected to the collection pump 11. When the water sample in the test tube 311 needs to be collected and a secondary collection is required, a lifting force can be applied to the cover body 33. When the cover body 33 is subjected to force, the collection pump 11 will be synchronously The infusion head 15 connected to the collection pump 11 will be subjected to force, and the infusion head 15 connected to the test tube 311 will gradually be separated from the connection between the infusion head 15 and the test tube 311, and in this process, the slot 39 opened by the connecting shaft 37 will be separated from the connection between the fixing plug 35 set by the limiting tube 34. After the connection is released, the connecting shaft 37 can be rotated at this time, and the spring piece 36 will be deformed and provide relative force at this time. When the connecting shaft 37 rotates to a certain range, the infusion head 15 and the test tube 311 will be in a state of non-contact with each other. At this time, the test tube 311 can be collected and the residual water sample can be discharged, and the discharged water sample will be discharged through the liquid drainage groove 32 opened in the storage cabin 31. When secondary sampling is required, the connecting shaft 37 can be rotated for the second time, and the spring piece 36 can be inserted into the pressure groove 38 opened in the connecting shaft 37 to make the slot 39 opened by the spring piece 36 engage with the fixing plug 35.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An extendable probe for collecting water samples, characterized in that: include: A collection mechanism (1), the collection mechanism (1) comprising a collection pump (11), the bottom of the collection pump (11) being fixedly connected to a plurality of infusion heads (15), the outer surface of the collection pump (11) being provided with a collection mechanism (3), the collection mechanism (3) comprising a cover body (33), the inner wall of the cover body (33) being provided with a retaining groove, the inner wall of the retaining groove being fixedly connected to the outer surface of the collection pump (11), one side of the collection pump (11) being fixedly connected to the top of a connecting shaft (37), the outer surface of the connecting shaft (37) being provided with The connecting shaft (37) has a plurality of pressing grooves (38), a plurality of slots (39) are provided at the bottom of the connecting shaft (37), the outer surface of the connecting shaft (37) is slidably and rotatably connected to the inner wall of the limiting tube (34), the bottom of the limiting tube (34) is fixedly connected to the inner wall of the storage compartment (31), the bottom of the limiting tube (34) is fixedly connected to a plurality of retaining plugs (35), the inner wall of the limiting tube (34) is fixedly connected to a plurality of spring sheets (36), and the outer surfaces of the plurality of spring sheets (36) are snap-fitted and connected to the inner wall of the pressing groove (38).

2. The extendable probe for collecting water samples according to claim 1, characterized in that: The bottom of the storage compartment (31) is provided with a liquid-repelling groove (32), and the bottom of the storage compartment (31) is fixedly connected with a plurality of connecting tube seats (310), the inner walls of the plurality of connecting tube seats (310) are snap-fitted and connected with the outer surface of the test tube (311), and the inner wall of the test tube (311) is snap-fitted and connected with the outer surface of the infusion head (15).

3. The extendable probe for collecting water samples according to claim 1, characterized in that: An extension mechanism (2) is provided on one side of the storage compartment (31), and the extension mechanism (2) comprises an extension seat (21), one side of the extension seat (21) is fixedly connected to one side of the storage compartment (31), and both sides of the extension seat (21) are fixedly connected to a plurality of engraved teeth (22).

4. The extendable probe for collecting water samples according to claim 3, characterized in that: A sliding groove (23) is provided on one side of the extension seat (21), and the inner wall of the sliding groove (23) is slidably connected to the outer surface of the sliding block (24).

5. The extendable probe for collecting water samples according to claim 4, characterized in that: The top of the slider (24) is fixedly connected to the bottom of the transfer member (13), a through slot is provided on one side of the slider (24), the bottom of the slider (24) is fixedly connected to the top of the collection head (14), and the outer surface of the collection head (14) is connected to the inner wall of the through slot.

6. The extendable probe for collecting water samples according to claim 1, characterized in that: The top of the collection pump (11) is fixedly connected to one end of the soft rubber tube (12), and one end of the soft rubber tube (12) is fixedly connected to the top of the transfer component (13).

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