CN114047028A - Vertical sediment sampling tube connection structure - Google Patents
Vertical sediment sampling tube connection structure Download PDFInfo
- Publication number
- CN114047028A CN114047028A CN202111447893.0A CN202111447893A CN114047028A CN 114047028 A CN114047028 A CN 114047028A CN 202111447893 A CN202111447893 A CN 202111447893A CN 114047028 A CN114047028 A CN 114047028A
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- CN
- China
- Prior art keywords
- joint
- sampling tube
- sampling
- connection structure
- tube outer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 85
- 239000013049 sediment Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
- F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1006—Dispersed solids
- G01N2001/1012—Suspensions
- G01N2001/1025—Liquid suspensions; Slurries; Mud; Sludge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N2001/1031—Sampling from special places
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Mechanical Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the field of sediment sampling tubes, and discloses a vertical type sediment sampling tube connecting structure. According to the sampling tool bit assembly, the second joint and the first joint are respectively arranged at the connecting ends of the outer pipes of the two adjacent sampling pipes of the connecting part, the second joint is sleeved on the first joint and connected through the screw, and the outer pipes of the adjacent sampling pipes or the outer pipes of the sampling pipes and the sampling tool bit assembly are arranged between the adjacent sampling pipes. The invention has simple structure and convenient disassembly, improves the operation convenience and safety when the sampling tube outer tube is disassembled or connected, and reduces the inconvenience brought by the traditional connection mode of the sampling tube.
Description
Technical Field
The invention relates to the field of sediment sampling tubes, in particular to a vertical type sediment sampling tube connecting structure.
Background
At present, the traditional sediment sampling tube adopts a threaded connection mode, and in the mode, a special wrench is needed when the sampling tube is detached, so that the operation is difficult on a rocked scientific investigation ship or a drilling ship. In addition, in practical use, because the sampling tube connecting thread deforms or is clamped into silt or rusted, the sampling tube is very difficult to connect and disassemble, and the situation that the sampling tube can not be disassembled and can only be sawed to break is often caused.
Disclosure of Invention
The invention aims to provide a connecting structure of a vertical sediment sampling tube, which is convenient and quick to disassemble and connect and reliable in connection.
The technical scheme adopted by the invention for solving the technical problems is as follows: the vertical sediment sampling tube connecting structure comprises at least two sampling tube outer tubes, wherein the sampling tube outer tubes are sequentially connected; the connecting part comprises a first joint and a second joint, the second joint is arranged at the connecting end of the outer pipe of one sampling pipe, the first joint is arranged at the connecting end of the outer pipe of the other sampling pipe, and the inner diameter of the second joint is matched with the outer diameter of the first joint; a first threaded hole is formed in the first connector, and a second threaded hole matched with the first threaded hole is formed in the second connector; and a second joint between the outer pipes of two adjacent sampling pipes is sleeved on the first joint, and the second joint is in screw connection with the first joint.
Further, the method comprises the following steps: the first joint middle part is provided with the location arch, the second connects the top and is provided with the protruding location breach that suits of location, the location arch with the cooperation of location breach joint.
Further, the method comprises the following steps: the positioning bulges are uniformly arranged on the outer circumferential surface of the first connector at intervals, and the number of the positioning bulges is four.
Further, the method comprises the following steps: the first joint bottom is provided with first toper face, the second connects the inside wall to be provided with the second toper face that suits with first toper face, and first toper face and second toper face are laminated.
Further, the method comprises the following steps: and a sealing ring is arranged at the joint of the first conical surface and the second conical surface.
Further, the method comprises the following steps: and in two adjacent sampling tube outer tubes of the connecting part, one sampling tube outer tube is inserted into the second joint and is welded and fixed with the second joint, and the other sampling tube outer tube is inserted into the first joint and is welded and fixed with the first joint.
Further, the method comprises the following steps: still including the sampling tool bit subassembly that is used for the sample, sampling tool bit subassembly top is provided with the second and connects, sampling tool bit subassembly second connects and cup joints and screw connection with the sampling tube outer tube first joint.
The invention has the beneficial effects that: according to the sampling tool bit assembly, the second joint and the first joint are respectively arranged at the connecting ends of the outer pipes of the two adjacent sampling pipes of the connecting part, the second joint is sleeved on the first joint and connected through the screw, and the outer pipes of the adjacent sampling pipes or the outer pipes of the sampling pipes and the sampling tool bit assembly are arranged between the adjacent sampling pipes. The invention has simple structure and convenient disassembly, improves the operation convenience and safety when the sampling tube outer tube is disassembled or connected, and reduces the inconvenience brought by the traditional connection mode.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of a second connector and a first connector of the present invention;
FIG. 3 is a cross-sectional view of the second connector and the first connector of the present invention;
labeled as: sampling tube outer tube 1, first joint 2, first screw hole 21, location arch 22, second joint 3, second screw hole 31, location breach 32, sample tool bit subassembly 4, sealing washer 5.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 to 3, the vertical sediment sampling tube connection structure of the present invention includes at least two sampling tube outer tubes 1, and the sampling tube outer tubes 1 are connected in sequence; the connecting part comprises a first joint 2 and a second joint 3, the second joint 3 is arranged at the connecting end of one sampling tube outer tube 1, the first joint 2 is arranged at the connecting end of the other sampling tube outer tube 1, and the inner diameter of the second joint 3 is matched with the outer diameter of the first joint 2; a first threaded hole 21 is formed in the first joint 2, and a second threaded hole 31 matched with the first threaded hole 21 is formed in the second joint 3; the second joint 3 between two adjacent sampling tube outer tubes 1 is established on first joint 2, the second joint 3 with first 2 screwed connection that connect.
The sampling tube is mainly used for sample collection in the marine field, usually the operation is carried out on an exploration ship or a scientific research ship, the whole sampling tube is longer and is formed by sequentially connecting small sections of sampling tubes, and the outer surface layer of the sampling tube is a sampling tube outer tube 1; the sampling tube outer tube 1 is sleeved at the joint and connected with the sampling tube outer tube 1 through a screw, so that the rotation of the sampling tube by the traditional threaded connection is avoided, and the sampling tube is more convenient to assemble and disassemble. The first threaded hole 21 and the second threaded hole 31 are the same in shape and size, and the axial center lines of the two are collinear.
Specifically, the middle of the first joint 2 is provided with a positioning protrusion 22, the top end of the second joint 3 is provided with a positioning notch 32 corresponding to the positioning protrusion 22, and the positioning protrusion 22 is in clamping fit with the positioning notch 32. It should be understood that when the positioning projection 22 corresponds to and mates with the positioning notch 32, the positions of both the first threaded hole 21 and the second threaded hole 31 correspond therewith.
Specifically, the positioning protrusions 22 are uniformly spaced apart from each other and four in number on the outer circumferential surface of the first connector 2.
Specifically, the bottom end of the first joint 2 is provided with a first conical surface, the inner side wall of the second joint 3 is provided with a second conical surface matched with the first conical surface, and the first conical surface is attached to the second conical surface.
Specifically, a sealing ring 5 is arranged at the joint of the first conical surface and the second conical surface, so that the connection tightness is enhanced, the vacuum degree is improved, the sediment leakage in the sampling process is reduced, and the sediment sampling rate is improved.
Specifically, in two adjacent sampling tube outer tubes 1 of the connecting portion, one sampling tube outer tube 1 is inserted into the second joint 3 and is welded and fixed with the second joint, and the other sampling tube outer tube 1 is inserted into the first joint 2 and is welded and fixed with the first joint.
Specifically, still including the sampling tool bit subassembly 4 that is used for the sample, 4 tops of sampling tool bit subassembly are provided with the second and connect 3, and 4 second of sampling tool bit subassembly connect 3 and sampling tube outer tube 1 first joint 2 cup joints and screw connection.
The working principle is as follows: when the sampling tube outer tube 1 or the sampling tube outer tube 1 and the sampling tool bit assembly 4 are connected, the second connector 3 is sleeved on the first connector 2, the positioning protrusion 22 corresponds to the positioning notch 32 and is clamped with the positioning notch 32, the first threaded hole 21 corresponds to the second threaded hole 31, the connecting screw for connecting the second connector 3 and the first connector 2 is screwed into the corresponding threaded hole, and the connection is finished. When the two parts are required to be disassembled, the two parts can be disassembled by screwing out the connecting screw.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. 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 (7)
1. Vertical deposit sampling tube connection structure, its characterized in that: the sampling tube comprises at least two sampling tube outer tubes (1), wherein the sampling tube outer tubes (1) are connected in sequence; the connecting part comprises a first joint (2) and a second joint (3), the second joint (3) is arranged at the connecting end of one sampling tube outer tube (1), the first joint (2) is arranged at the connecting end of the other sampling tube outer tube (1), and the inner diameter of the second joint (3) is matched with the outer diameter of the first joint (2); a first threaded hole (21) is formed in the first joint (2), and a second threaded hole (31) matched with the first threaded hole (21) is formed in the second joint (3); second joint (3) between two adjacent sampling tube outer tubes (1) is established on first joint (2), second joint (3) with first joint (2) screwed connection.
2. The vertical sediment sampling tube connection structure of claim 1 wherein: first joint (2) middle part is provided with location arch (22), second joint (3) top is provided with location breach (32) that suit with protruding (22) in location, protruding (22) in location with location breach (32) joint cooperation.
3. The vertical sediment sampling tube connection structure of claim 2, wherein: the positioning bulges (22) are uniformly arranged on the outer circumferential surface of the first connector (2) at intervals, and the number of the positioning bulges is four.
4. The vertical sediment sampling tube connection structure of claim 1 wherein: the first joint (2) bottom is provided with first toper face, second joint (3) inside wall is provided with the second toper face that suits with first toper face, and first toper face and second toper face laminating.
5. The vertical sediment sampling tube connection structure of claim 4, wherein: and a sealing ring (5) is arranged at the joint of the first conical surface and the second conical surface.
6. The vertical sediment sampling tube connection structure of claim 1 wherein: in two adjacent sampling tube outer tubes (1) of the connecting part, one sampling tube outer tube (1) is inserted into the second joint (3) and is welded and fixed with the second joint, and the other sampling tube outer tube (1) is inserted into the first joint (2) and is welded and fixed with the first joint.
7. The vertical sediment sampling tube connection structure as claimed in any one of claims 1 to 6, wherein: still including sample tool bit subassembly (4) that is used for the sample, sample tool bit subassembly (4) top is provided with second joint (3), sample tool bit subassembly (4) second joint (3) cup joint and screw connection with sampling tube outer tube (1) first joint (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111447893.0A CN114047028A (en) | 2021-11-29 | 2021-11-29 | Vertical sediment sampling tube connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111447893.0A CN114047028A (en) | 2021-11-29 | 2021-11-29 | Vertical sediment sampling tube connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114047028A true CN114047028A (en) | 2022-02-15 |
Family
ID=80212094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111447893.0A Pending CN114047028A (en) | 2021-11-29 | 2021-11-29 | Vertical sediment sampling tube connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114047028A (en) |
-
2021
- 2021-11-29 CN CN202111447893.0A patent/CN114047028A/en active Pending
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