CN205578435U - A self tapping formula crossover sub for inciting somebody to action rod sensor installs on pressure vessel - Google Patents
A self tapping formula crossover sub for inciting somebody to action rod sensor installs on pressure vessel Download PDFInfo
- Publication number
- CN205578435U CN205578435U CN201620372381.0U CN201620372381U CN205578435U CN 205578435 U CN205578435 U CN 205578435U CN 201620372381 U CN201620372381 U CN 201620372381U CN 205578435 U CN205578435 U CN 205578435U
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- self
- rod
- pressure vessel
- driving head
- tapping
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Abstract
The utility model discloses a self tapping formula crossover sub for inciting somebody to action rod sensor installs on pressure vessel, self tapping formula including being used for installing in the pressure vessel test hole connects, the self tapping formula connect including be used for with test hole pore wall matched with self tapping formula screw rod drives with being used for self tapping formula screw rod pivoted driving head, self tapping formula screw rod with the driving head is connected, all be provided with the through -hole that supplies rod sensor to pass on self tapping formula screw rod and the driving head. The mechanical connection mode that this self tapping formula crossover sub adopted the self tapping formula has realized this self tapping formula crossover sub and has been connected with the effective of pressure vessel, under avoiding that pressure vessel is inside and having a fuel state, leads to the fact the incident through the welding mode, or long or bond not firmly through the method time cycle that bonds, and the testing who brings fails. And the time of preparation of this kind of connected mode is short to can reuse.
Description
Technical field
This utility model belongs to rod-type sensor mounting technique field on pressure vessel, is specifically related to
A kind of self-tapping type adapter for rod-type sensor is arranged on pressure vessel.
Background technology
Motor vehicle fuel evaporative pollutant emission limit, is a pressure index of examination vehicle performance.
Wherein, GB20998-2007 motorcycle and trail bike fuel evaporation pollutant emission limit and measurement
Method: be for implementing the Law on Environmental Protection of the People's Republic of China and " People's Republic of China's air
Prevention and cure of pollution method ", control motorcycle and the pollution to environment of the trail bike fuel evaporation pollutant,
Protection environment, saves the energy, this standard of formulation.This standard defines motorcycle and trail bike
Fuel evaporation pollutant discharge pattern approval, conformity of production inspection requirements and decision method.According to having
Closing the regulation of law, this standard has the effect of compulsory execution.Equally, country and world community are present
Motor vehicle fuel evaporative pollutant emission limit is controlled more and more stricter.But, present motor vehicles
During fuel evaporation pollutant discharge detection, detection need to fuel tank, hermetically sealed container internally installed
The temperature sensor of monitoring in real time, and mostly fuel tank, hermetically sealed container are to use directly band on vehicle
, there is test the most to varying degrees in fuel oil welding adapter and the gluing method connecing sensor of oil resistant
Front preparation installation cost is high and length cycle time, welding method is improper easily causes on fire and explosion safety thing
Therefore, adhering method easily leak gas, install inconvenient operation, can not the defect such as use on the same day.But has a problem in that
Welding is the most easily leaked gas with adhering method, can cause and detect unsuccessfully, and be multiplied again experimentation cost and prolongation
The detection time, affect normal assays and detection measure work, so, be badly in need of abandon existing fuel tank,
Hermetically sealed container band fuel oil welding, the installation method of resistance to factice, it is to avoid exist the defects such as potential safety hazard and
The situation of not enough test.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, it is provided that a kind of being used for will
The self-tapping type adapter that rod-type sensor is arranged on pressure vessel.This self-tapping type adapter uses
The mechanical connection manner of self-tapping type, it is achieved that this self-tapping type adapter effectively connects with pressure vessel
Connect, it is to avoid there are under fuel states inside pressure vessel, caused safe thing by welding manner
Therefore, or by bonding method time cycle length or bonding the most firm, the detection test failure brought.
The time of this self-tapping type adapter is short, and installation and removal are convenient, and can reuse.
For achieving the above object, the technical solution adopted in the utility model is: for by rod-type sensor
The self-tapping type adapter being arranged on pressure vessel, it is characterised in that: include for being arranged on pressure
Self-tapping type joint in container instrument connection, described self-tapping type joint include for described instrument connection hole wall
The self-tapping type screw rod that matches and for the driving head driving described self-tapping type screw rod to rotate, described self tapping
Formula screw rod is connected with described driving head, described self-tapping type screw rod and driving head is provided with for rod-type
The through hole that sensor passes.
The above-mentioned self-tapping type adapter being used for being arranged on pressure vessel rod-type sensor, it is special
Levy and be: the junction of described self-tapping type screw rod and described driving head is provided with pressure ring, described pressure ring with
Sealing ring it is provided with between pressure vessel.
The above-mentioned self-tapping type adapter being used for being arranged on pressure vessel rod-type sensor, it is special
Levy and be: on described pressure ring, be provided with the groove for positioning described sealing ring.
The above-mentioned self-tapping type adapter being used for being arranged on pressure vessel rod-type sensor, it is special
Levy and be: the reverse frustoconic that described self-tapping type screw rod is big up and small down.
The above-mentioned self-tapping type adapter being used for being arranged on pressure vessel rod-type sensor, it is special
Levy and be: the pressure cap being provided above passing for rod-type sensor of described driving head, described driving head
It is connected with described pressure cap, in described pressure cap, is provided with the sealing shroud being enclosed within described rod-type sensor.
The above-mentioned self-tapping type adapter being used for being arranged on pressure vessel rod-type sensor, it is special
Levy and be: described driving head is connected with described pressure cap by transition double threaded screw, described transition double end
Screw rod includes spiro rod section and the lower spiro rod section being connected with described upper spiro rod section, described upper spiro rod section and
The junction of lower spiro rod section is provided with on baffle plate, described upper spiro rod section and lower spiro rod section and all offers for bar
The transitional pore that formula sensor passes, described lower spiro rod section connects with the through hole hole wall screw thread of described driving head
Connecing, described upper spiro rod section is threadeded with described pressure cap, arranges between described baffle plate and described driving head
There is sealing ring.
The above-mentioned self-tapping type adapter being used for being arranged on pressure vessel rod-type sensor, it is special
Levy and be: on described baffle plate, be provided with the locating slot for positioning described sealing ring.
The above-mentioned self-tapping type adapter being used for being arranged on pressure vessel rod-type sensor, it is special
Levying and be: described driving head is connected with described pressure cap by union joint, described union joint is arranged on institute
State the upper end of driving head, described union joint offers the peace being connected with the through hole on described driving head
Dress hole, the outer wall of described union joint is provided with the external screw thread for being connected with pressure cap.
The above-mentioned self-tapping type adapter being used for being arranged on pressure vessel rod-type sensor, it is special
Levy and be: described sealing shroud is plastic sealing cover.
The above-mentioned self-tapping type adapter being used for being arranged on pressure vessel rod-type sensor, it is special
Levy and be: described driving head is outer hexagonal structure or outer tetragonal.
This utility model compared with prior art has the advantage that
1, this utility model is in use, by rotating driving head, thus drives self-tapping type screw rod to turn
Dynamic and coordinate with the hole wall in pressure vessel testing hole, at the hole wall of described instrument connection from tapping and self-tapping type
The screw thread that screw rod matches, to realize the connection of self-tapping type joint and pressure vessel, and then realization should
Self-tapping type adapter is arranged on the purpose on pressure vessel.By this self-tapping type mechanical connection side
Formula, it is to avoid there are under fuel states inside pressure vessel, caused safe thing by welding manner
Therefore, or by bonding method time cycle length or bonding the most firm, the detection test failure brought.
The time of this self-tapping type adapter is short, and installation and removal are convenient, and can reuse.
And due to the threaded engagement of self-tapping type screw rod Yu instrument connection hole wall, serve to instrument connection hole wall with from
Attack the excellent sealing effect between formula screw rod.
2, this utility model is by arranging sealing ring between pressure ring and pressure vessel, it is possible to further
Guarantee that gas will not escape between instrument connection hole wall and self-tapping type screw rod.And by described pressure ring
Groove is set, it is possible to position described sealing ring, it is to avoid when self-tapping type joint rotates, pressure ring is to close
The extruding of seal and cause sealing ring to shift.
3, this utility model is by the spiral shell of the lower spiro rod section of transition double threaded screw with driving head through hole hole wall
Stricture of vagina connects, and the threadeding of spiro rod section and pressure cap on transition double threaded screw, and then achieves pressure cap
With effective connection of shown driving head, and by arranging sealing ring, it is possible to effectively avoid gas from
The through hole of driving head outwards escapes, and effectively raises sealing effectiveness further.
4, this utility model is by arranging described locating slot on the baffle plate of transition double threaded screw, it is possible to
When described lower spiro rod section is threadeded with the through hole hole wall of driving head, and when described baffle plate constantly extrudes institute
When stating sealing ring, do not result in the displacement of described sealing ring, it is to avoid seal failure.
5, this utility model threadeding by spiro rod section on transition double threaded screw and pressure cap, and
By arranging sealing shroud, it is possible to effectively avoid gas spiro rod section and pressure cap from transition double threaded screw
Through hole outwards escapes, and effectively raises sealing effectiveness further.
6, this utility model passes through the upper end union joint of driving head and threadeding of pressure cap, and leads to
Cross and sealing shroud is set, it is possible to effectively avoid gas outwards to escape from the through hole of union joint with pressure cap, enter
One step effectively raises sealing effectiveness.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment 1.
Fig. 2 is the installation diagram of this utility model embodiment 1.
Fig. 3 is the structural representation of this utility model embodiment 2.
Fig. 4 is the installation diagram of this utility model embodiment 2.
Description of reference numerals:
1 rod-type sensor；2 pressure caps；3 sealing shrouds；
4 transition double threaded screws；The upper spiro rod section of 4-1；Spiro rod section under 4-2；
4-3 baffle plate；5 sealing rings；6 self-tapping type joints；
6-1 self-tapping type screw rod；6-2 driving head；6-3 pressure ring；
7 sealing rings；8 pressure vessels；8-1 instrument connection；
9 union joints.
Detailed description of the invention
Embodiment 1
A kind of self tapping for rod-type sensor is arranged on pressure vessel as depicted in figs. 1 and 2
Formula adapter, including the self-tapping type joint 6 in being arranged on pressure vessel 8 instrument connection 8-1,
Described self-tapping type joint 6 includes the self-tapping type screw rod for matching with described instrument connection 8-1 hole wall
6-1 and for driving the driving head 6-2 that described self-tapping type screw rod 6-1 rotates, described self-tapping type screw rod
6-1 is connected with described driving head 6-2, and described self-tapping type screw rod 6-1 and driving head 6-2 is all provided with
It is equipped with the through hole passed for rod-type sensor 1.
In the present embodiment, this self-tapping type adapter in use, by rotate driving head 6-2, from
And drive self-tapping type screw rod 6-1 rotate and coordinate with the hole wall of pressure vessel 8 instrument connection 8-1, in institute
State the screw thread that the hole wall of instrument connection 8-1 matches with self-tapping type screw rod 6-1 from tapping, to realize self tapping
Formula joint 6 and the connection of pressure vessel 8, and then realize this self-tapping type adapter is arranged on pressure
Purpose on container 8.By this self-tapping type mechanical connection manner, it is to avoid deposit inside pressure vessel
Under having fuel states, caused security incident by welding manner, or by the bonding method time
Cycle length or bonding the most firm, the detection test failure brought.And this self-tapping type adapter
Time is short, and installation and removal are convenient, and can reuse.And due to self-tapping type screw rod
6-1 and the threaded engagement of instrument connection 8-1 hole wall, serve instrument connection 8-1 hole wall and self-tapping type spiral shell
Excellent sealing effect between bar 6-1.
As depicted in figs. 1 and 2, the junction of described self-tapping type screw rod 6-1 and described driving head 6-2
It is provided with pressure ring 6-3, between described pressure ring 6-3 and pressure vessel 8, is provided with sealing ring 7.
In the present embodiment, by arranging sealing ring 7 between pressure ring 6-3 and pressure vessel 8, it is possible to
Further ensure that gas will not escape between instrument connection 8-1 hole wall and self-tapping type screw rod 6-1.
In the present embodiment, described pressure ring 6-3 is provided with the groove for positioning described sealing ring 7.
By arranging groove on described pressure ring 6-3, it is possible to described sealing ring 7 is positioned, it is to avoid from
Attacking pressure ring 6-3 when formula joint 6 rotates causes sealing ring 7 to shift the extruding of sealing ring 7.
As shown in 1 and Fig. 2, described reverse frustoconic big up and small down for self-tapping type screw rod 6-1.Pass through
Self-tapping type screw rod 6-1 is designed as reverse frustoconic, and then conveniently self-tapping type screw rod 6-1 is quickly stretched into
In the instrument connection 8-1 of pressure vessel 8.
As depicted in figs. 1 and 2, the confession rod-type sensor 1 that is provided above of described driving head 6-2 is worn
The pressure cap 2 crossed, described driving head 6-2 is connected with described pressure cap 2, is provided with in described pressure cap 2
It is enclosed within the sealing shroud 3 on described rod-type sensor 1.
In the present embodiment, by the pressure cap 2 squeezing action to sealing shroud 3, make sealing shroud 3 produce and become
Shape, and then it is effectively increased the sealing effectiveness to rod-type sensor 1, it is to avoid gas is from rod-type sensor
Space effusion between 1 and self-tapping type joint 6 self-tapping type screw rod 6-1 and driving head 6-2, has reached good
Good sealing effectiveness.
As depicted in figs. 1 and 2, described driving head 6-2 is by transition double threaded screw 4 and described pressure cap
2 are connected, described transition double threaded screw 4 include spiro rod section 4-1 and with described upper spiro rod section 4-1
The junction of the lower spiro rod section 4-2 being connected, described upper spiro rod section 4-1 and lower spiro rod section 4-2 is arranged
There is baffle plate 4-3, described upper spiro rod section 4-1 and lower spiro rod section 4-2 all offers for rod-type sensor
1 transitional pore passed, the through hole hole wall screw thread of described lower spiro rod section 4-2 and described driving head 6-2 is even
Connecing, described upper spiro rod section 4-1 is threadeded with described pressure cap 2, described baffle plate 4-3 and described driving
It is provided with sealing ring 5 between head 6-2.
In the present embodiment, by the lower spiro rod section 4-2 of transition double threaded screw 4 and driving head 6-2 through hole
Hole wall threaded, and the threadeding of spiro rod section 4-1 and pressure cap 2 on transition double threaded screw 4,
And then achieve effective connection of pressure cap 2 and described driving head 6-2, and by arranging sealing ring 5,
Can effectively avoid gas outwards to escape from the through hole of driving head 6-2, effectively raise further
Sealing effectiveness.
In the present embodiment, described baffle plate 4-3 is provided with the locating slot for positioning described sealing ring 5.
By arranging described locating slot, it is possible at the through hole hole wall of described lower spiro rod section 4-2 Yu driving head 6-2
Time threaded, and when described baffle plate 4-3 constantly extrudes described sealing ring 5, do not result in described
The displacement of sealing ring 5.
In the present embodiment, described sealing shroud 3 is plastic sealing cover.So may insure that sealing shroud 3 has
There is good deformation, to reach good sealing effectiveness.
In the present embodiment, described driving head 6-2 is outer hexagonal structure.So can facilitate and drive described
Dynamic head 6-2 rotates.
In the present embodiment, this self-tapping type adapter be not only able to quick, effective, securely achieve with
The connection of pressure vessel 8, achieves by arranging sealing ring 7, sealing ring 5 and sealing shroud 3 simultaneously
This self-tapping type adapter is tightly connected with pressure vessel 8.
Below in conjunction with Fig. 1 and Fig. 2, in detailed description the present embodiment, this self-tapping type adapter is concrete
Connected mode:
During operation, first confirm that this self-tapping type adapter installation site on pressure vessel 8,
Offer on pressure vessel 8 (such as fuel tank, hermetically sealed container etc.) with this self-tapping type adapter from
Attack the instrument connection 8-1 that formula joint 6 is corresponding, then sealing ring 7 is connected at pressure ring 6-3 recessed
In groove, the self-tapping type screw rod 6-1 of self-tapping type joint 6 is put into the instrument connection 8-1 of pressure vessel 8,
Then spanner is used to rotate described driving head 6-2 so that self-tapping type screw rod 6-1 fastens, is sealed in pressure
In the instrument connection 8-1 of container 8.
Next start described transition double threaded screw 4 is installed, sealing ring 5 is positioned at transition double threaded screw
In the locating slot of 4 baffle plate 4-3, then by the lower spiro rod section 4-2 of transition double threaded screw 4 and self-tapping type joint
The through hole whorl of 6 driving head 6-2 is connected, and re-uses out spanner and rotates the gear of transition double threaded screw 4
Plate 4-3, and block described driving head 6-2 with driving spanner, make the baffle plate 4-3 of transition double threaded screw 4 press
Compel sealing ring 5, make sealing ring 5 arrive sealing state.
Carry out the installation of rod-type sensor 1 the most again, first by rod-type sensor 1 through described pressure cap
2, it is then passed through sealing shroud 3, and by the test lead of rod-type sensor 1 through described transition double threaded screw 4
Transitional pore on upper spiro rod section 4-1 and lower spiro rod section 4-2, then from driving head 6-2 and self-tapping type screw rod 6-1
Through hole through extending into the inside of pressure vessel 8, make the upper screw rod of pressure cap 2 and transition double threaded screw 4
Section 4-1 connects and coordinates, and while rotating pressure cap 2, makes pressure cap 2 crush seal set 3 deformation, enters
And rod-type sensor 1 is sealed.
Embodiment 2
As shown in Figure 3 and Figure 4, the present embodiment is with the difference of embodiment 1: described driving
Head 6-2 is connected with described pressure cap 2 by union joint 9, and described union joint 9 is arranged on described driving
The upper end of head 6-2, described union joint 9 offers and is connected with the through hole on described driving head 6-2
Installing hole, the outer wall of described union joint 9 is provided with the external screw thread for being connected with pressure cap 2.
In the present embodiment, it is capable of driving head 6-2 and pressure cap 2 by arranging described union joint 9
Quickly connecting, described union joint 9 can make the one-body molded upper end being arranged on described driving head 6-2,
It can also be the screw thread company of the external screw thread by union joint 9 and driving head 6-2 through hole hole wall female thread
Connect, described union joint 9 arranges installing hole, it is possible to facilitate rod-type sensor 1 to pass.
The above, be only preferred embodiment of the present utility model, not makees this utility model any
Limit, every according to this utility model technical spirit, above example is made any simple modification,
Change and equivalent structure transformation, all still fall within the protection domain of technical solutions of the utility model.
Claims (10)
1. for the self-tapping type adapter that rod-type sensor is arranged on pressure vessel, it is characterized in that: the self-tapping type joint (6) including in being arranged on pressure vessel (8) instrument connection (8-1), described self-tapping type joint (6) includes the self-tapping type screw rod (6-1) for matching with described instrument connection (8-1) hole wall and is used for the driving head (6-2) driving described self-tapping type screw rod (6-1) to rotate, described self-tapping type screw rod (6-1) is connected with described driving head (6-2), the through hole passed for rod-type sensor (1) it is provided with on described self-tapping type screw rod (6-1) and driving head (6-2).
Self-tapping type adapter for rod-type sensor is arranged on pressure vessel the most according to claim 1, it is characterized in that: described self-tapping type screw rod (6-1) is provided with pressure ring (6-3) with the junction of described driving head (6-2), is provided with sealing ring (7) between described pressure ring (6-3) and pressure vessel (8).
Self-tapping type adapter for rod-type sensor is arranged on pressure vessel the most according to claim 2, it is characterised in that: it is provided with the groove for positioning described sealing ring (7) on described pressure ring (6-3).
Self-tapping type adapter for rod-type sensor is arranged on pressure vessel the most according to claim 1, it is characterised in that: the reverse frustoconic that described self-tapping type screw rod (6-1) is big up and small down.
Self-tapping type adapter for rod-type sensor is arranged on pressure vessel the most according to claim 1, it is characterized in that: the pressure cap (2) being provided above passing for rod-type sensor (1) of described driving head (6-2), described driving head (6-2) is connected with described pressure cap (2), is provided with the sealing shroud (3) being enclosed within described rod-type sensor (1) in described pressure cap (2).
nullSelf-tapping type adapter for rod-type sensor is arranged on pressure vessel the most according to claim 5，It is characterized in that: described driving head (6-2) is connected with described pressure cap (2) by transition double threaded screw (4)，Described transition double threaded screw (4) includes spiro rod section (4-1) and the lower spiro rod section (4-2) being connected with described upper spiro rod section (4-1)，The junction of described upper spiro rod section (4-1) and lower spiro rod section (4-2) is provided with baffle plate (4-3)，The transitional pore passed for rod-type sensor (1) is all offered on described upper spiro rod section (4-1) and lower spiro rod section (4-2)，Described lower spiro rod section (4-2) threadeds with the through hole hole wall of described driving head (6-2)，Described upper spiro rod section (4-1) threadeds with described pressure cap (2)，Sealing ring (5) it is provided with between described baffle plate (4-3) and described driving head (6-2).
Self-tapping type adapter for rod-type sensor is arranged on pressure vessel the most according to claim 6, it is characterised in that: it is provided with the locating slot for positioning described sealing ring (5) on described baffle plate (4-3).
Self-tapping type adapter for rod-type sensor is arranged on pressure vessel the most according to claim 5, it is characterized in that: described driving head (6-2) is connected with described pressure cap (2) by union joint (9), described union joint (9) is arranged on the upper end of described driving head (6-2), offering the installing hole being connected with the through hole on described driving head (6-2) on described union joint (9), the outer wall of described union joint (9) is provided with the external screw thread for being connected with pressure cap (2).
Self-tapping type adapter for rod-type sensor is arranged on pressure vessel the most according to claim 5, it is characterised in that: described sealing shroud (3) is plastic sealing cover.
Self-tapping type adapter for rod-type sensor is arranged on pressure vessel the most according to claim 1, it is characterised in that: described driving head (6-2) is outer hexagonal structure or outer tetragonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372381.0U CN205578435U (en) | 2016-04-27 | 2016-04-27 | A self tapping formula crossover sub for inciting somebody to action rod sensor installs on pressure vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620372381.0U CN205578435U (en) | 2016-04-27 | 2016-04-27 | A self tapping formula crossover sub for inciting somebody to action rod sensor installs on pressure vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205578435U true CN205578435U (en) | 2016-09-14 |
Family
ID=56858640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620372381.0U Expired - Fee Related CN205578435U (en) | 2016-04-27 | 2016-04-27 | A self tapping formula crossover sub for inciting somebody to action rod sensor installs on pressure vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205578435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782193A (en) * | 2016-04-27 | 2016-07-20 | 中国兵器装备集团摩托车检测技术研究所 | Self-tapping-type adapter used for assembling rod-type sensor on pressure vessel |
-
2016
- 2016-04-27 CN CN201620372381.0U patent/CN205578435U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105782193A (en) * | 2016-04-27 | 2016-07-20 | 中国兵器装备集团摩托车检测技术研究所 | Self-tapping-type adapter used for assembling rod-type sensor on pressure vessel |
| CN105782193B (en) * | 2016-04-27 | 2018-06-29 | 中检西部检测有限公司 | For rod-type sensor to be mounted on to the self-tapping type crossover sub on pressure vessel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20180427 |
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| CF01 | Termination of patent right due to non-payment of annual fee |