CN105782193B - For rod-type sensor to be mounted on to the self-tapping type crossover sub on pressure vessel - Google Patents
For rod-type sensor to be mounted on to the self-tapping type crossover sub on pressure vessel Download PDFInfo
- Publication number
- CN105782193B CN105782193B CN201610272498.6A CN201610272498A CN105782193B CN 105782193 B CN105782193 B CN 105782193B CN 201610272498 A CN201610272498 A CN 201610272498A CN 105782193 B CN105782193 B CN 105782193B
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- Prior art keywords
- self
- rod
- tapping type
- tapping
- pressure vessel
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- 238000010079 rubber tapping Methods 0.000 title claims abstract description 101
- 238000007789 sealing Methods 0.000 claims description 60
- 125000003003 spiro group Chemical group 0.000 claims description 40
- 230000007704 transition Effects 0.000 claims description 19
- 239000011148 porous material Substances 0.000 claims description 4
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- 239000000446 fuel Substances 0.000 abstract description 10
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 abstract description 7
- 238000003466 welding Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 10
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002828 fuel tank Substances 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
-
- 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
- F16B25/00—Screws that cut thread in the body into which they are screwed, e.g. wood screws
- F16B25/0036—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw
- F16B25/0094—Screws that cut thread in the body into which they are screwed, e.g. wood screws characterised by geometric details of the screw the screw being assembled or manufactured from several components, e.g. a tip out of a first material welded to shaft of a second material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of self-tapping type crossover subs for being used to be mounted on rod-type sensor on pressure vessel, including the self-tapping type connector for being used to be mounted in pressure vessel testing hole, the self-tapping type connector includes for self-tapping type screw rod matched with the instrument connection hole wall and the driving head for driving the self-tapping type screw rod rotation, the self-tapping type screw rod is connected with the driving head, and the through-hole passed through for rod-type sensor is both provided on the self-tapping type screw rod and driving head.The self-tapping type crossover sub uses the mechanical connection manner of self-tapping type, realize effective connection of the self-tapping type crossover sub and pressure vessel, avoid inside pressure vessel that there are under fuel states, safety accident is caused by welding manner, or pass through the method long time period of bonding or not firm, the caused detection test failure of bonding.And the time of this connection mode is short, and can reuse.
Description
Technical field
The invention belongs to mounting technique field of the rod-type sensor on pressure vessel, and in particular to one kind is used for rod-type
Sensor is mounted on the self-tapping type crossover sub on pressure vessel.
Background technology
Motor vehicle fuel evaporative pollutant emission limit is a pressure index for examining vehicle performance.Wherein,
GB20998-2007 motorcycles and trail bike fuel evaporation pollutant emission limit and measuring method：It is to implement《China
People's republic's Law on Environmental Protection》With《The Law of the People's Republic of China on the Prevention and Control of Atmospheric Pollution》, control motorcycle and trail bike
Pollution of the fuel evaporation pollutant to environment, environmental protection is energy saving, this standard of formulation.This standard defines motorcycle
With the approval of trail bike fuel evaporation pollutant discharge pattern, conformity of production inspection requirements and determination method.According to related
The regulation of law, this standard have the effect enforced.Equally, country and world community are now to motor vehicle fuel evaporative dirt
It is also increasingly stringenter to contaminate the control of object emission limit.But present motor vehicle fuel evaporative pollutant is discharged when detecting, and is needed in detection
Will be to the temperature sensor of installation real time monitoring inside fuel tank, hermetically sealed container, and fuel tank, hermetically sealed container are mostly to use
, there is experiment to varying degrees in the method for welding crossover sub and oil resistant glue sticking sensor with fuel oil directly on vehicle
Preceding preparation installation cost height and cycle time is long, improper to easily cause on fire and explosion safety accident, adhering method easy for welding method
Gas leakage, installation operation is inconvenient, the defects of cannot using on the same day.But has a problem in that welding and adhering method easy gas leakage again, can cause
Detection failure, and be multiplied experimentation cost and extension detection time, influence normal assays and detection measure work, so, it is anxious
Existing fuel tank need to be abandoned, hermetically sealed container is welded with fuel oil, the installation method of resistance to factice, avoid that there are the defects of security risk
With the situation of deficiency experiment.
Invention content
It is an object of the invention to overcome above-mentioned deficiency of the prior art, one kind is provided for rod-type sensor to be installed
Self-tapping type crossover sub on pressure vessel.The self-tapping type crossover sub uses the mechanical connection manner of self-tapping type, realizes
Effective connection of the self-tapping type crossover sub and pressure vessel avoids there are under fuel states passing through inside pressure vessel
Welding manner and cause safety accident or not firm by the method long time period of bonding or bonding, caused detection examination
Test failure.The time of the self-tapping type crossover sub is short, and installation and removal are convenient, and can reuse.
To achieve the above object, the technical solution adopted by the present invention is：For rod-type sensor to be mounted on pressure vessel
On self-tapping type crossover sub, it is characterised in that：It is described including the self-tapping type connector for being used to be mounted in pressure vessel testing hole
Self-tapping type connector is included for self-tapping type screw rod matched with the instrument connection hole wall and for driving the self-tapping type screw rod
The driving head of rotation, the self-tapping type screw rod are connected with the driving head, are respectively provided on the self-tapping type screw rod and driving head
There is the through-hole passed through for rod-type sensor.
The above-mentioned self-tapping type crossover sub for being used to be mounted on rod-type sensor on pressure vessel, it is characterised in that：Institute
It states self-tapping type screw rod and the junction of the driving head is provided with pressure ring, sealing is provided between the pressure ring and pressure vessel
Circle.
The above-mentioned self-tapping type crossover sub for being used to be mounted on rod-type sensor on pressure vessel, it is characterised in that：Institute
State the groove being provided on pressure ring for positioning the sealing ring.
The above-mentioned self-tapping type crossover sub for being used to be mounted on rod-type sensor on pressure vessel, it is characterised in that：Institute
Self-tapping type screw rod is stated in up big and down small reverse frustoconic.
The above-mentioned self-tapping type crossover sub for being used to be mounted on rod-type sensor on pressure vessel, it is characterised in that：Institute
The pressure cap for being provided with above driving head and being passed through for rod-type sensor is stated, the driving head is connected with the pressure cap, the pressure
The sealing shroud being sleeved on the rod-type sensor is provided in cap.
The above-mentioned self-tapping type crossover sub for being used to be mounted on rod-type sensor on pressure vessel, it is characterised in that：Institute
Driving head is stated by transition double threaded screw with the pressure cap to be connected, the transition double threaded screw include upper spiro rod section and with it is described
The junction of the lower spiro rod section that upper spiro rod section is connected, the upper spiro rod section and lower spiro rod section is provided with baffle, the upper screw rod
The transitional pore passed through for rod-type sensor, the through-hole of the lower spiro rod section and the driving head are offered in section and lower spiro rod section
Hole wall is threadedly coupled, and the upper spiro rod section is threadedly coupled with the pressure cap, is provided between the baffle and the driving head close
Seal ring.
The above-mentioned self-tapping type crossover sub for being used to be mounted on rod-type sensor on pressure vessel, it is characterised in that：Institute
State the locating slot being provided on baffle for positioning the sealing ring.
The above-mentioned self-tapping type crossover sub for being used to be mounted on rod-type sensor on pressure vessel, it is characterised in that：Institute
It states driving head by connector with the pressure cap to be connected, the connector is arranged on the upper end of the driving head, the connection
Offer the mounting hole being connected with the through-hole on the driving head on head, the outer wall of the connector, which is provided with, to be used for and pressure cap
The external screw thread being connected.
The above-mentioned self-tapping type crossover sub for being used to be mounted on rod-type sensor on pressure vessel, it is characterised in that：Institute
Sealing shroud is stated as plastic sealing cover.
The above-mentioned self-tapping type crossover sub for being used to be mounted on rod-type sensor on pressure vessel, it is characterised in that：Institute
Driving head is stated as outer hexagonal structure or outer tetragonal.
Compared with the prior art, the present invention has the following advantages：
1st, in the use of the present invention, by rotary drive head, so as to which self-tapping type screw rod be driven to rotate and surveyed with pressure vessel
Prospect hole hole wall cooperation, the instrument connection hole wall from tapping and the matched screw thread of self-tapping type screw rod, to realize self-tapping type
The connection of connector and pressure vessel, and then realize the purpose self-tapping type crossover sub being mounted on pressure vessel.Pass through this
Kind self-tapping type mechanical connection manner, avoids causing to pacify by welding manner there are under fuel states inside pressure vessel
Full accident passes through the method long time period of bonding or not firm, the caused detection test failure of bonding.The self-tapping type turns
The time of changing-over head is short, and installation and removal are convenient, and can reuse.And due to self-tapping type screw rod and instrument connection
The thread fitting of hole wall plays the excellent sealing effect between instrument connection hole wall and self-tapping type screw rod.
2nd, the present invention can further ensure that gas will not be from survey by setting sealing ring between pressure ring and pressure vessel
It is escaped between prospect hole hole wall and self-tapping type screw rod.And by setting groove on the pressure ring, the sealing ring can be carried out
Positioning avoids pressure ring during the rotation of self-tapping type connector from sealing ring being caused to shift the extruding of sealing ring.
3rd, the present invention passes through the lower spiro rod section of transition double threaded screw and the threaded connection and transition of driving head through-hole hole wall
The threaded connection of spiro rod section and pressure cap on double threaded screw, and then effective connection of pressure cap and shown driving head is realized, and lead to
Setting sealing ring is crossed, gas can effectively be avoided to be escaped outward from the through-hole of driving head, further effectively raise sealing
Effect.
4th, the present invention by setting the locating slot on the baffle of transition double threaded screw, can the lower spiro rod section with
When the through-hole hole wall of driving head is threadedly coupled, and when the baffle constantly squeezes the sealing ring, the sealing will not be caused
The displacement of ring, avoids seal failure.
5th, the threaded connection of the invention by spiro rod section and pressure cap on transition double threaded screw, and by setting sealing shroud,
Gas can effectively be avoided to be escaped outward from the through-hole of spiro rod section and pressure cap on transition double threaded screw, it is further effective to improve
Sealing effect.
6th, it is of the invention by the upper end connector of driving head and the threaded connection of pressure cap, and by setting sealing shroud, energy
It is enough that gas is effectively avoided to be escaped outward from the through-hole of connector and pressure cap, further effectively raise sealing effect.
Below by drawings and examples, technical scheme of the present invention is described in further detail.
Description of the drawings
Fig. 1 is the structure diagram of the embodiment of the present invention 1.
Fig. 2 is the installation diagram of the embodiment of the present invention 1.
Fig. 3 is the structure diagram of the embodiment of the present invention 2.
Fig. 4 is the installation diagram of the embodiment of the present invention 2.
Reference sign:
1-rod-type sensor；2-pressure cap；3-sealing shroud；
4-transition double threaded screw；4-1-upper spiro rod section；4-2-lower spiro rod section；
4-3-baffle；5-sealing ring；6-self-tapping type connector；
6-1-self-tapping type screw rod；6-2-driving head；6-3-pressure ring；
7-sealing ring；8-pressure vessel；8-1-instrument connection；
9-connector.
Specific embodiment
Embodiment 1
A kind of self-tapping type crossover sub for being used to be mounted on rod-type sensor on pressure vessel as depicted in figs. 1 and 2,
Including be used for be mounted on 8 instrument connection 8-1 of pressure vessel in self-tapping type connector 6, the self-tapping type connector 6 include for it is described
The matched self-tapping type screw rod 6-1 of the instrument connection 8-1 hole walls and driving head 6-2 for driving the self-tapping type screw rod 6-1 rotations,
The self-tapping type screw rod 6-1 is connected with the driving head 6-2, is both provided on the self-tapping type screw rod 6-1 and driving head 6-2
The through-hole passed through for rod-type sensor 1.
In the present embodiment, the self-tapping type crossover sub when in use, by rotary drive head 6-2, so as to drive self-tapping type
Screw rod 6-1 rotations simultaneously coordinate with the hole wall of 8 instrument connection 8-1 of pressure vessel, the instrument connection 8-1 hole wall from tapping and self tapping
The matched screw threads of formula screw rod 6-1 to realize the connection of self-tapping type connector 6 and pressure vessel 8, and then are realized and turn the self-tapping type
Changing-over head is mounted on the purpose on pressure vessel 8.By this self-tapping type mechanical connection manner, avoid depositing inside pressure vessel
In the case where there is fuel states, by welding manner and cause safety accident or by the method long time period of bonding or bonding not
It is firm, caused detection test failure.And the time of the self-tapping type crossover sub is short, and installation and removal are convenient, and
And it can reuse.And it due to the thread fitting of self-tapping type screw rod 6-1 and instrument connection 8-1 hole walls, plays to instrument connection
Excellent sealing effect between 8-1 hole walls and self-tapping type screw rod 6-1.
As depicted in figs. 1 and 2, the junction of the self-tapping type screw rod 6-1 and driving head 6-2 is provided with pressure ring 6-3,
Sealing ring 7 is provided between the pressure ring 6-3 and pressure vessel 8.
In the present embodiment, by setting sealing ring 7 between pressure ring 6-3 and pressure vessel 8, gas can further ensure that
It will not be escaped between instrument connection 8-1 hole walls and self-tapping type screw rod 6-1.
In the present embodiment, the groove for positioning the sealing ring 7 is provided on the pressure ring 6-3.By in the pressure
Groove is set on ring 6-3, the sealing ring 7 can be positioned, avoid self-tapping type connector 6 rotate when pressure ring 6-3 to sealing
It encloses 7 extruding and sealing ring 7 is caused to shift.
As shown in 1 and Fig. 2, the self-tapping type screw rod 6-1 is in up big and down small reverse frustoconic.By by self-tapping type screw rod 6-
1 is designed as reverse frustoconic, and then facilitates and self-tapping type screw rod 6-1 is quickly extend into the instrument connection 8-1 of pressure vessel 8.
As depicted in figs. 1 and 2, the pressure cap 2 passed through for rod-type sensor 1 is provided with above the driving head 6-2, it is described
Driving head 6-2 is connected with the pressure cap 2, and the sealing shroud 3 being sleeved on the rod-type sensor 1 is provided in the pressure cap 2.
In the present embodiment, by pressure cap 2 to the squeezing action of sealing shroud 3, it is deformed sealing shroud 3, and then effectively carry
The high sealing effect to rod-type sensor 1, avoid gas from rod-type sensor 1 and 6 self-tapping type screw rod 6-1 of self-tapping type connector and
Gap effusion between driving head 6-2, has reached good sealing effect.
As depicted in figs. 1 and 2, the driving head 6-2 is connected by transition double threaded screw 4 with the pressure cap 2, the mistake
It crosses double threaded screw 4 and includes upper spiro rod section 4-1 and the lower spiro rod section 4-2 being connected with the upper spiro rod section 4-1, the upper spiro rod section
The junction of 4-1 and lower spiro rod section 4-2 are provided on baffle 4-3, the upper spiro rod section 4-1 and lower spiro rod section 4-2 and offer
For the transitional pore that rod-type sensor 1 passes through, the lower spiro rod section 4-2 is threadedly coupled with the through-hole hole wall of the driving head 6-2, institute
It states spiro rod section 4-1 to be threadedly coupled with the pressure cap 2, sealing ring 5 is provided between the baffle 4-3 and the driving head 6-2.
In the present embodiment, connected by the lower spiro rod section 4-2 of transition double threaded screw 4 and the screw thread of driving head 6-2 through-hole hole walls
Connect and transition double threaded screw 4 on spiro rod section 4-1 and pressure cap 2 threaded connection, and then realize pressure cap 2 and the driving head
Effective connection of 6-2, and by setting sealing ring 5 can effectively avoid gas from the through-hole of driving head 6-2 to escaping
Go out, further effectively raise sealing effect.
In the present embodiment, the locating slot for positioning the sealing ring 5 is provided on the baffle 4-3.By setting
Locating slot is stated, can be when the lower spiro rod section 4-2 be threadedly coupled with the through-hole hole wall of driving head 6-2, and work as the baffle 4-3
When constantly squeezing the sealing ring 5, the displacement of the sealing ring 5 will not be caused.
In the present embodiment, the sealing shroud 3 is plastic sealing cover.It may insure that sealing shroud 3 has good deformation in this way,
To reach good sealing effect.
In the present embodiment, the driving head 6-2 is outer hexagonal structure.It can facilitate in this way and the driving head 6-2 is carried out
Rotation.
In the present embodiment, the self-tapping type crossover sub be not only able to it is quick, effective, securely achieve and pressure vessel 8
Connection, while by the way that sealing ring 7, sealing ring 5 and sealing shroud 3 is set to realize the self-tapping type crossover sub and pressure vessel 8
It is tightly connected.
Below in conjunction with Fig. 1 and Fig. 2, the specific connection mode of the self-tapping type crossover sub in the present embodiment is described in detail：
During operation, the installation site of the self-tapping type crossover sub on pressure vessel 8 is first confirmd that, in pressure vessel 8 (such as
Fuel tank, hermetically sealed container etc.) on open up with 6 corresponding instrument connection 8-1 of the self-tapping type connector of the self-tapping type crossover sub, then
Sealing ring 7 is connected in the groove of pressure ring 6-3, the self-tapping type screw rod 6-1 of self-tapping type connector 6 is put into pressure vessel 8
Instrument connection 8-1 in, then rotate the driving head 6-2 using spanner so that self-tapping type screw rod 6-1 fastening, be sealed in pressure
In the instrument connection 8-1 of container 8.
Next start that the transition double threaded screw 4 is installed, sealing ring 5 is located in 4 baffle 4-3's of transition double threaded screw
In locating slot, then the through hole whorl of the lower spiro rod section 4-2 of transition double threaded screw 4 and 6 driving head 6-2 of self-tapping type connector is coordinated and is connected
It connects, reuses out the baffle 4-3 of spanner rotation transition double threaded screw 4, and the driving head 6-2 is blocked with spanner is opened, make transition
The baffle 4-3 compressing sealing rings 5 of double threaded screw 4, make sealing ring 5 reach sealing state.
Then the installation of rod-type sensor 1 is carried out again, and rod-type sensor 1 is passed through into the pressure cap 2 first, is then passed through sealing
Set 3, and the test lead of rod-type sensor 1 is passed through on the transition double threaded screw 4 on spiro rod section 4-1 and lower spiro rod section 4-2
Transitional pore, then passed through from the through-hole of driving head 6-2 and self-tapping type screw rod 6-1 and extend into the inside of pressure vessel 8, make pressure cap 2 with
The upper spiro rod section 4-1 connections cooperation of transition double threaded screw 4 while pressure cap 2 are rotated, makes 2 crush seal of pressure cap set, 3 deformation,
And then rod-type sensor 1 is sealed.
Embodiment 2
As shown in Figure 3 and Figure 4, the present embodiment and embodiment 1 the difference lies in：The driving head 6-2 passes through connection
First 9 are connected with the pressure cap 2, and the connector 9 is arranged on the upper end of the driving head 6-2, is offered on the connector 9
The mounting hole being connected with the through-hole on the driving head 6-2, the outer wall of the connector 9 are provided with to be connected with pressure cap 2
The external screw thread connect.
It is described by setting the connector 9 that can realize the quick connection of driving head 6-2 and pressure cap 2 in the present embodiment
Connector 9 can make integrated molding be arranged on the driving head 6-2 upper end or by the external screw thread of connector 9 with
The threaded connection of driving head 6-2 through-hole hole wall internal threads, sets mounting hole on the connector 9, rod-type can be facilitated to sense
Device 1 is pierced by.
The above is only presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and the equivalent structure transformation that technical spirit makees above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (8)
1. for rod-type sensor to be mounted on to the self-tapping type crossover sub on pressure vessel, it is characterised in that：Including being used to pacify
Self-tapping type connector (6) in pressure vessel (8) instrument connection (8-1), the self-tapping type connector (6) including for the survey
The matched self-tapping type screw rod (6-1) of prospect hole (8-1) hole wall and the driving head for driving self-tapping type screw rod (6-1) rotation
(6-2), the self-tapping type screw rod (6-1) are connected with the driving head (6-2), the self-tapping type screw rod (6-1) and driving head
The through-hole passed through for rod-type sensor (1) is both provided on (6-2)；The self-tapping type screw rod (6-1) is in up big and down small rounding
Platform shape；
The self-tapping type screw rod (6-1) and the junction of the driving head (6-2) are provided with pressure ring (6-3), the pressure ring (6-3)
Sealing ring (7) is provided between pressure vessel (8).
2. the self-tapping type crossover sub according to claim 1 for being used to be mounted on rod-type sensor on pressure vessel,
It is characterized in that：The groove for positioning the sealing ring (7) is provided on the pressure ring (6-3).
3. the self-tapping type crossover sub according to claim 1 for being used to be mounted on rod-type sensor on pressure vessel,
It is characterized in that：The pressure cap (2) passed through for rod-type sensor (1), the driving head are provided with above the driving head (6-2)
(6-2) is connected with the pressure cap (2), and the sealing shroud being sleeved on the rod-type sensor (1) is provided in the pressure cap (2)
(3)。
4. the self-tapping type crossover sub according to claim 3 for being used to be mounted on rod-type sensor on pressure vessel,
It is characterized in that：The driving head (6-2) is connected by transition double threaded screw (4) with the pressure cap (2), the transition double end spiral shell
The lower spiro rod section (4-2) that bar (4) is connected including upper spiro rod section (4-1) and with the upper spiro rod section (4-1), the upper spiro rod section
The junction of (4-1) and lower spiro rod section (4-2) is provided with baffle (4-3), the upper spiro rod section (4-1) and lower spiro rod section (4-2)
On offer the transitional pore passed through for rod-type sensor (1), the lower spiro rod section (4-2) is logical with the driving head (6-2)
Hole hole wall is threadedly coupled, and the upper spiro rod section (4-1) is threadedly coupled with the pressure cap (2), the baffle (4-3) and the driving
Sealing ring (5) is provided between head (6-2).
5. the self-tapping type crossover sub according to claim 4 for being used to be mounted on rod-type sensor on pressure vessel,
It is characterized in that：The locating slot for positioning the sealing ring (5) is provided on the baffle (4-3).
6. the self-tapping type crossover sub according to claim 3 for being used to be mounted on rod-type sensor on pressure vessel,
It is characterized in that：The sealing shroud (3) is plastic sealing cover.
7. the self-tapping type crossover sub according to claim 1 for being used to be mounted on rod-type sensor on pressure vessel,
It is characterized in that：The driving head (6-2) is outer hexagonal structure or outer tetragonal.
8. the self-tapping type crossover sub according to claim 3 for being used to be mounted on rod-type sensor on pressure vessel,
It is characterized in that：The driving head (6-2) is connected by connector (9) with the pressure cap (2), and the connector (9) is arranged on
The upper end of the driving head (6-2) offers what is be connected with the through-hole on the driving head (6-2) on the connector (9)
Mounting hole, the outer wall of the connector (9) are provided with the external screw thread for being connected with pressure cap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272498.6A CN105782193B (en) | 2016-04-27 | 2016-04-27 | For rod-type sensor to be mounted on to the self-tapping type crossover sub on pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610272498.6A CN105782193B (en) | 2016-04-27 | 2016-04-27 | For rod-type sensor to be mounted on to the self-tapping type crossover sub on pressure vessel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105782193A CN105782193A (en) | 2016-07-20 |
| CN105782193B true CN105782193B (en) | 2018-06-29 |
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ID=56398890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610272498.6A Active CN105782193B (en) | 2016-04-27 | 2016-04-27 | For rod-type sensor to be mounted on to the self-tapping type crossover sub on pressure vessel |
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| CN (1) | CN105782193B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| EP1146326B1 (en) * | 2000-04-14 | 2009-08-05 | Nagano Keiki Co., Ltd. | Pressure sensor mounting |
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|---|---|
| CN105782193A (en) | 2016-07-20 |
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