CN207830551U - The sealing and connecting device of circle detection probe - Google Patents
The sealing and connecting device of circle detection probe Download PDFInfo
- Publication number
- CN207830551U CN207830551U CN201820194881.9U CN201820194881U CN207830551U CN 207830551 U CN207830551 U CN 207830551U CN 201820194881 U CN201820194881 U CN 201820194881U CN 207830551 U CN207830551 U CN 207830551U
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- China
- Prior art keywords
- pressure ring
- wall
- fastening
- detection probe
- cap
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Abstract
A kind of sealing and connecting device of the circle detection probe of the utility model,Including pressure ring,Deform pressure ring,Fastening pressure cap,The connecting tube being connected to sampling pool is provided on the outer wall of sampling pool,It is provided with external screw thread on the outer wall of the one end of connecting tube far from sampling pool,Circle detection probe is inserted into connecting tube and extends in sampling pool,The tube wall of detection probe forms Step Shaft through cutting,Step shaft diameter is less than the diameter for the tube wall for stating detection probe,Pressure ring,Deform pressure ring,Fastening pressure cap is sequentially sleeved on Step Shaft,The end face of pressure ring is in contact with the end face of connecting tube,The internal diameter of pressure ring is less than the outer diameter of detection probe tube wall,The outer diameter of pressure ring is less than the outer diameter of connecting tube,The outer diameter for deforming pressure ring is less than the internal diameter of fastening pressure cap,It is provided with internal thread on the inner wall of fastening pressure cap,The internal thread coordinated with external screw thread is provided on the inner wall of fastening pressure cap,Fastening pressure cap is threadedly coupled with connecting tube.
Description
Technical field
The utility model belongs to detection device technical field, and in particular to a kind of sealed connection dress of circle detection probe
It sets.
Background technology
Tubular type structure is more in the primary detecting element of instrument and meter, the connection being mounted on tested measurement equipment and pipeline
Structure mainly has flanged joint, kink threaded connection the modes such as connects with cutting ferrule, and wherein cutting ferrule connection mounts and dismounts the most just
Profit, but the pipe material for requiring detecting element itself is relatively soft, and need the high rigidity in the mating suitable dimension of circular tube external
Conic clamp covers pressure ring and tapped pressure cap, is welded in advance in the equipment and pipeline for being mounted and connecting mating with pressure cap
Male connection, connector inside top structure be less than round tube inside diameter step structure, first time install when pass through machinery
Rotate pressure cap, pressure cap squeezes pressure ring and squeezes the step inside pipe, with connector squeezes pipe deformation jointly, pipe in pressure ring and
The oxygen blast cyanidation of connector step surface just formed prevent leakage sealing surface, but this mounting means to the circularity of pipe, material,
Size etc. has strict requirements, if if the requirement of deformation is not achieved in the probe wall thickness or material of cylinder structure, just realizes
Requirement not high pressure resistant after installation and anti-leak, sometimes pop one's head in can also be ejected mounting structure because pressure is high, cause big
Measure the accident of leakage.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome in the prior art be easy high pressure and being ejected causes
The problem of leakage.
For this purpose, the technical solution adopted is that, a kind of sealing and connecting device of circle detection probe of the utility model, including
Pressure ring deforms pressure ring, fastening pressure cap, and the connecting tube being connected to the sampling pool, the connection are provided on the outer wall of sampling pool
External screw thread is provided on the outer wall of the one end of pipe far from the sampling pool, circle detection probe is inserted into the connecting tube and extends
In to the sampling pool, the tube wall of the detection probe forms Step Shaft through cutting, and the step shaft diameter states inspection less than described
The diameter of the tube wall of probing head, the pressure ring, the deformation pressure ring, the fastening pressure cap are sequentially sleeved on the Step Shaft, institute
The end face for stating pressure ring is in contact with the end face of the connecting tube, and the internal diameter of the pressure ring is less than the outer of the detection probe tube wall
Diameter, the outer diameter of the pressure ring are less than the outer diameter of the connecting tube, and the outer diameter of the deformation pressure ring is less than the interior of the fastening pressure cap
Diameter is provided with internal thread on the inner wall of the fastening pressure cap, is provided on the inner wall of the fastening pressure cap and matches with the external screw thread
The internal thread of conjunction, the fastening pressure cap are threadedly coupled with the connecting tube.
For the ease of manual rotation fastening pressure cap, preferred technical solution is provided on the outer wall of the fastening pressure cap
Antiskid thread.
In order to make the more accurate of installation, deformed sealing effect is improved, preferred technical solution is the pressure
Ring is provided with the groove of opening outwardly on the end face of the deformation pressure ring, and the deformation pressure ring is close to the one of the pressure ring
End is nested in the groove.
In order to improve the leakproofness of attachment device, preferred technical solution is the deformation pressure ring and the fastening pressure cap
Between be provided with sealing ring.
It is lubricated for the ease of the screw thread of fastening pressure cap, preferred technical solution is that the fastening pressure cap is close to the deformation
It is provided through through-hole on the outer wall of pressure ring side.
Prolonged vibration leads to the loosening of fastening pressure cap in order to prevent, and preferred technical solution is, on the Step Shaft
It is provided with screw thread, is equipped on the Step Shaft and tightens nut, the end face of the end face for tightening nut and the fastening pressure cap
It is in contact.
The utility model has the advantage of：A kind of structure of the sealing and connecting device of the circle detection probe of the utility model
Schematic diagram, including pressure ring, deformation pressure ring, fastening pressure cap, are provided with connecting tube be connected to sampling pool on the outer wall of sampling pool, company
It takes on the outer wall of one end far from sampling pool and is provided with external screw thread, circle detection probe is inserted into connecting tube and extends to sampling
In pond, the tube wall of detection probe forms Step Shaft through cutting, and step shaft diameter is less than the diameter for the tube wall for stating detection probe, pressure
Ring, deformation pressure ring, fastening pressure cap are sequentially sleeved on Step Shaft, and the end face of pressure ring is in contact with the end face of connecting tube, pressure ring it is interior
Diameter is less than the outer diameter of detection probe tube wall, and the outer diameter of pressure ring is less than the outer diameter of connecting tube, and the outer diameter for deforming pressure ring is less than fastening pressure
The internal diameter of cap is provided with the internal thread coordinated with external screw thread on the inner wall of fastening pressure cap, and fastening pressure cap is threadedly coupled with connecting tube.
Circle detection probe is inserted into the connecting tube on sampling pool, is then rotated fastening pressure cap and is screwed onto in connecting tube, deforms pressure ring
The face contacted with fastening pressure cap is plane, and the deformation pressure ring other end is in contact with pressure ring end face, and the other end of pressure ring is stuck in
On the end face of connecting tube, by fastening pressure cap crimp pressure ring, after deforming pressure ring stress deformation, circle detection is popped one's head in outer wall
Wrapping up tightly, forms the sealing surface for preventing leakage, can be by circle when the high pressure of liquid or gas generation in sampling pool
For shape detection probe toward extrapolation, the internal diameter of pressure ring is less than the outer diameter of detection probe tube wall, the step surface that circle detection is popped one's head on outer wall
It can be snapped on pressure ring during moving outside, so as to prevent detection probe to be ejected under high pressure.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model reality.
Fig. 2 is the installation status diagram of the utility model.
1- pressure rings；2- deforms pressure ring；3- fastening pressure caps；4- sampling pools；5- connecting tubes；6- external screw threads；7- detection probes；8-
Step Shaft；10- internal threads；11- grooves；12- sealing rings；13- through-holes；14- tightens nut.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
As shown in Figure 1, a kind of structural schematic diagram of the sealing and connecting device of circle detection probe of the utility model, including
Pressure ring 1 deforms pressure ring 2, fastening pressure cap 3, and the connecting tube 5 being connected to the sampling pool 4, institute are provided on the outer wall of sampling pool 4
Liquid or this gas in pipeline can be acquired by stating sampling pool 4, and the inlet communication of the sampling pool 4 one end and oil-gas pipeline is another
The outlet with oil-gas pipeline is held, external screw thread 6 is provided on the outer wall of the one end of the connecting tube 5 far from the sampling pool 4,
Circle detection probe 7 is inserted into the connecting tube 5 and extends in the sampling pool 4, and the tube wall of the detection probe 7 is through cutting
Formed Step Shaft 8, at by fastening both sides formed gradient, which is about 1mm or more, as fit sealing by
Power face, 8 diameter of the Step Shaft are less than the diameter of the tube wall for stating detection probe 7, the pressure ring 1, the deformation pressure ring 2,
The fastening pressure cap 3 is sequentially sleeved on the Step Shaft 8, and the end face of the pressure ring 1 is in contact with the end face of the connecting tube 5,
The internal diameter of the pressure ring 1 is less than the outer diameter of 7 tube wall of the detection probe, and the outer diameter of the pressure ring 1 is less than the outer of the connecting tube 5
The outer diameter of diameter, the deformation pressure ring 2 is less than the internal diameter of the fastening pressure cap 3, is provided on the inner wall of the fastening pressure cap 3 and institute
The internal thread 10 of the cooperation of external screw thread 6 is stated, the fastening pressure cap 3 is threadedly coupled with the connecting tube 5.Deformation pressure ring 2 can be used four
Fluorine pressure ring is the installation sealing material that the material is soft.The circle detection probe 7 fastened is cylinder, has certain wall thickness (such as
Sealed pressure>0.1MPa, then wall thickness >=2.5mm).
Operation principle：Circle detection probe 7 is inserted into the connecting tube 5 on the sampling pool 4, then rotates the fastening
Pressure cap 3 is screwed onto in the connecting tube 5, and the face that the deformation pressure ring 2 is contacted with the fastening pressure cap 3 is plane, the deformation
2 other end of pressure ring is in contact with 1 end face of the pressure ring, and the other end of the pressure ring 1 is stuck in the end face of the connecting tube 5
On, the deformation pressure ring 2 is squeezed by the fastening pressure cap 3, after deforming 2 stress deformation of pressure ring, by circle detection 7 outer walls of probe
Wrapping up tightly, forms the sealing surface for preventing leakage, such as the installation status diagram of Fig. 2.When in the sampling pool 4 liquid or
Circle detection can be popped one's head in 7 toward extrapolation by the high pressure that person's gas generates, and the internal diameter of the pressure ring 1 is less than 7 tube wall of the detection probe
Outer diameter, the step surface that the circle detection is popped one's head on 7 outer walls can snap into during moving outside on pressure ring 1, so as to prevent
Detection probe 7 is ejected under high pressure.
For the ease of manual rotation fastening pressure cap, preferred technical solution is provided on the outer wall of the fastening pressure cap 3
Antiskid thread, the frictional force of hand and fastening pressure cap 3 when antiskid thread can increase rotation.
In order to make the more accurate of installation, deformed sealing effect is improved, preferred technical solution is the pressure
Ring 1 is provided with the groove 11 of opening outwardly on the end face of the deformation pressure ring 2, and the deformation pressure ring 2 is close to the pressure
One end of ring 1 is nested in the groove 11.It is nested in the groove 11 by the way that 2 one end of pressure ring will be deformed, can guarantee deformation
Pressure ring 2 deforms in a certain range, it is not easy to deviate and part is caused gap occur, ensure that deformed sealing effect.
In order to improve the leakproofness of attachment device, preferred technical solution is the deformation pressure ring 2 and the fastening pressure cap
Sealing ring 12 is provided between 3.
It is lubricated for the ease of the screw thread of fastening pressure cap, preferred technical solution is that the fastening pressure cap 3 is close to the deformation
It is provided through through-hole 13 on the outer wall of 2 side of pressure ring.Injection lubricating oil contributes to the fastening pressure cap 3 in the through-hole 13
Rotation be threadedly coupled, lubricating oil can also fill up the gap between component, improve leakproofness.
Prolonged vibration leads to the loosening of fastening pressure cap in order to prevent, and preferred technical solution is, on the Step Shaft 8
It is provided with screw thread, is equipped on the Step Shaft 8 and tightens nut 14, the end face for tightening nut 14 and the fastening pressure cap 3
End face be in contact.It is described tighten nut 14 and limit the fastening pressure cap 3 be displaced outwardly, improved the fixation of fastening pressure cap 3
Reliability.
Claims (6)
1. a kind of sealing and connecting device of circle detection probe, it is characterised in that：Including pressure ring (1), deformation pressure ring (2), fastening
Pressure cap (3), the connecting tube (5) being connected to the sampling pool (4) is provided on the outer wall of sampling pool (4), and the connecting tube (5) is remote
External screw thread (6) is provided on the outer wall of one end from the sampling pool (4), circle detection probe (7) is inserted into the connecting tube
(5) it and extends in the sampling pool (4), the tube wall of the detection probe (7) forms Step Shaft (8), the step through cutting
Axis (8) diameter is less than the diameter of the tube wall of the detection probe (7), the pressure ring (1), the deformation pressure ring (2), the fastening
Pressure cap (3) is sequentially sleeved on the Step Shaft (8), and the end face of the pressure ring (1) is in contact with the end face of the connecting tube (5),
The internal diameter of the pressure ring (1) is less than the outer diameter of the detection probe (7) tube wall, and the outer diameter of the pressure ring (1) is less than the connection
The outer diameter of (5) is managed, the outer diameter of the deformation pressure ring (2) is less than the internal diameter of the fastening pressure cap (3), the fastening pressure cap (3)
The internal thread (10) coordinated with the external screw thread (6), the fastening pressure cap (3) and the connecting tube (5) spiral shell are provided on inner wall
Line connects.
2. sealing and connecting device according to claim 1, it is characterised in that：It is arranged on the outer wall of the fastening pressure cap (3)
There is antiskid thread.
3. sealing and connecting device according to claim 1, it is characterised in that：The pressure ring (1) is close to the deformation pressure ring
(2) groove (11) of opening outwardly is provided on end face, the deformation pressure ring (2) is embedding close to one end of the pressure ring (1)
It is sleeved in the groove (11).
4. sealing and connecting device according to claim 1, it is characterised in that：The deformation pressure ring (2) is pressed with the fastening
Sealing ring (12) is provided between cap (3).
5. sealing and connecting device according to claim 1, it is characterised in that：The fastening pressure cap (3) is close to the deformation
It is provided through through-hole (13) on the outer wall of pressure ring (2) side.
6. sealing and connecting device according to claim 1, it is characterised in that：It is provided with screw thread on the Step Shaft (8), institute
It states to be equipped on Step Shaft (8) and tightens nut (14), the end face of the end face for tightening nut (14) and the fastening pressure cap (3)
It is in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820194881.9U CN207830551U (en) | 2018-02-05 | 2018-02-05 | The sealing and connecting device of circle detection probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820194881.9U CN207830551U (en) | 2018-02-05 | 2018-02-05 | The sealing and connecting device of circle detection probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207830551U true CN207830551U (en) | 2018-09-07 |
Family
ID=63396717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820194881.9U Expired - Fee Related CN207830551U (en) | 2018-02-05 | 2018-02-05 | The sealing and connecting device of circle detection probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207830551U (en) |
-
2018
- 2018-02-05 CN CN201820194881.9U patent/CN207830551U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20190205 |