CN203671231U - Gas return gun - Google Patents
Gas return gun Download PDFInfo
- Publication number
- CN203671231U CN203671231U CN201320865708.4U CN201320865708U CN203671231U CN 203671231 U CN203671231 U CN 203671231U CN 201320865708 U CN201320865708 U CN 201320865708U CN 203671231 U CN203671231 U CN 203671231U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- rifle body
- return
- rifle
- air
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000033001 locomotion Effects 0.000 claims description 8
- 239000007789 gas Substances 0.000 description 12
- 239000003949 liquefied natural gas Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 239000011435 rock Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model provides a gas return gun which comprises a sleeve with a first end and a second end, a gun body pipeline, a transmission part and a transmission member, wherein a helical groove extending to the first end is formed in the sleeve wall close to the first end and matched with a cylindrical pin on a gas return seat to connect the sleeve to the gas return seat or separate the sleeve from the gas return seat when the sleeve rotates; the gun body pipeline is arranged in the sleeve, extends out of the second end of the sleeve in the longitudinal direction of the sleeve and is spaced from the wall of the sleeve; the transmission part is arranged on the wall of the sleeve; the transmission member is connected to the gun body pipeline, part of the transmission member is contained in the transmission part, and the transmission member is structured in a manner that the gun body pipeline and the sleeve can basically, synchronously and longitudinally move and the gun body pipeline does not rotate when the sleeve rotates. According to the gas return gun, the gun body pipeline cannot rotate when being connected to the gas return seat, so that the safety performance is improved.
Description
Technical field
The utility model relates to Liquefied Natural Gas fuel loading technique field, particularly, relates to a kind of return-air rifle.
Background technique
Rock gas is constantly promoted in automotive fuel field as a kind of clean energy resource.LNG (Liquefied Natural Gas, LNG Liquefied natural gas) is a kind of unique storage and means of transportation that is conducive to long distance transportation of rock gas.In the time carrying out LNG fuel adding, for example, during to the fueling of LNG automobile, the LNG Liquefied natural gas in gas station storage tank or tank car need to be delivered in motor vehicle reservoir by LNG filling machine.Because LNG temperature is extremely low, under atmospheric pressure boiling point is approximately-162 ℃, highly volatile, and the heat that conducts to motor vehicle reservoir will make rock gas volatilization, therefore cause motor vehicle reservoir inside to have the rock gas of volatilization.Therefore,, in the time of filling, in motor vehicle reservoir, remaining boil-off gas can make pressure of storage tank raise.Therefore, annotate and need first the rock gas of the volatilization in storage tank to be led and is back in station inner storage tank or tank car by return-air rifle as last.
The return-air rifle using is at present generally integrative-structure.In the time using return-air rifle, the spiral chute rotation of return-air rifle front end along the vertically moving of return-air rifle, to be connected with return-air seat, or separates from return-air seat.Spiral chute can produce moment of torsion in rotary course, causes the pipeline of return-air rifle to produce moment of torsion.Long-time torsion repeatedly, easily causes the pipeline of return-air rifle to occur the gas leak phenomenons such as torsional fracture, affects the Safety performance of return-air rifle.
Therefore, be necessary to propose a kind of return-air rifle, to solve problems of the prior art.
Model utility content
In order to address the above problem, the utility model provides a kind of return-air rifle.Described return-air rifle comprises: sleeve, described sleeve comprises first end and the second end, on the barrel of contiguous described first end, be provided with the spiral chute that extends to described first end, described spiral chute is for coordinating with the pin on return-air seat, with when the described sleeve rotating, described sleeve is connected to described return-air seat or described sleeve is separated from described return-air seat; Rifle body pipeline, described rifle body install pipeline is in described sleeve, and along longitudinally the extending out from described second end of described sleeve of described sleeve, and the barrel of described rifle body pipeline and described sleeve is spaced apart; Transmission unit, described transmission unit is arranged on the barrel of described sleeve; And driving component, described driving component is connected to described rifle body pipeline, and a part for described driving component is contained in described transmission unit, and is configured to make described rifle body pipeline and described sleeve to be along the longitudinal movement to basic synchronization, in the time of described sleeve rotating, described rifle body pipeline does not rotate simultaneously.
Preferably, described transmission unit comprises the through hole on the barrel that is arranged on described sleeve.
Preferably, described driving component comprises: drive block, described drive block is connected to described rifle body pipeline in described sleeve, and and the barrel of described sleeve between there is gap, on described drive block, be provided with the driving groove corresponding with described through hole; And operating grip, one end of described operating grip is arranged in described driving groove, and is configured to rotate along described driving groove, and the other end of described operating grip extends through described through hole.
Preferably, described rifle body pipeline comprises: rifle body, and described rifle body is arranged in described sleeve, in described rifle body, is provided with spring thimble part; Pipe section, one end of described pipe section is connected to described rifle body in described sleeve, and the other end longitudinally extends out from described second end of described sleeve along described sleeve; Wherein, described drive block is arranged between described pipe section and described sleeve, and described drive block is connected to described pipe section.
Preferably, in described through hole, be provided with the first screw thread, on described operating grip, be provided with the second screw thread with described the first screw-thread fit.
Preferably, described transmission unit comprises the circumferential through slot on the barrel that is arranged on described sleeve.
Preferably, on described rifle body pipeline, be provided with the assembly department corresponding with described circumferential through slot, described driving component comprises pin, and one end of described pin is fixedly installed in described assembly department, the other end of described pin extends through described circumferential through slot, and and described circumferential through slot between there is gap.
Preferably, described rifle body pipeline comprises: rifle body, and described rifle body is arranged in described sleeve, in described rifle body, is provided with spring thimble part; Pipe section, one end of described pipe section is connected to described rifle body in described sleeve, and the other end longitudinally extends out from described second end of described sleeve along described sleeve; And connecting sleeve, described connecting sleeve holds at least a portion of described rifle body, and extends along the direction away from described pipe section, wherein, between described connecting sleeve and the barrel of described sleeve, has gap, and described assembly department is arranged on described connecting sleeve.
Preferably, the size in described gap is 0.1mm～0.3mm.
Preferably, one end that described second end from described sleeve of described rifle body pipeline extends out is provided with connection part, and described connection part is for being connected with storage tank.
Separate according to the sleeve of return-air rifle of the present utility model and rifle body pipeline enclosure, thereby rifle body pipeline can not rotated along with the rotation of sleeve.And by being arranged on transmission unit and the driving component on return-air rifle, sleeve is vertically moving along sleeve in rotary course, be along the longitudinal movement to rifle body pipeline and sleeve basic synchronization, thereby rifle body pipeline not only can be realized and being connected of return-air seat, do not need again to produce rotation, avoid causing gas leakage because multiple rotary damages rifle body pipeline, thereby improve the Safety performance of return-air rifle.
In model utility content, introduced the concept of a series of reduced forms, this will further describe in embodiment part.The utility model content part does not also mean that key feature and the essential features that will attempt to limit technological scheme required for protection, does not more mean that the protection domain of attempting to determine technological scheme required for protection.
Below in conjunction with accompanying drawing, describe advantage of the present utility model and feature in detail.
Accompanying drawing explanation
Following accompanying drawing of the present utility model is used for understanding the utility model in this as a part of the present utility model.Shown in the drawings of mode of execution of the present utility model and description thereof, be used for explaining principle of the present utility model.In the accompanying drawings,
Fig. 1 is according to the stereogram of an embodiment's of the present utility model return-air rifle;
Fig. 2 is the sectional view of the return-air rifle of the embodiment shown in Fig. 1; And
Fig. 3 is according to the sectional view of another embodiment's of the present utility model return-air rifle.
Embodiment
In the following description, having provided a large amount of concrete details understands the utility model more thoroughly to provide.But, it will be apparent to one skilled in the art that the utility model can be implemented without one or more these details.In other example, for fear of obscuring with the utility model, be not described for technical characteristicss more well known in the art.
In order thoroughly to understand the utility model, will detailed structure be proposed in following description.Obviously, embodiment of the present utility model is not limited to the specific details that those skilled in the art has the knack of.Preferred embodiment of the present utility model is described in detail as follows, but except these are described in detail, the utility model can also have other mode of executions.
The utility model provides a kind of return-air rifle.As depicted in figs. 1 and 2, return-air rifle 100 comprises sleeve 110, rifle body pipeline 120, transmission unit 130 and driving component 140.Sleeve 110 comprises first end 111 and the second end 112.Wherein, first end 111 can be for being connected with return-air seat 300, and then be connected on the station inner storage tank or tank car of gas station, and the second end 112 can be for being connected with motor vehicle reservoir.On the barrel of contiguous first end 111, be provided with the spiral chute 113 that extends to first end 111.In general, return-air seat 300 for being provided with pin 310 on the one end being connected with return-air rifle 100.When use, the spiral chute 113 on the barrel of the sleeve 110 of return-air rifle 100 coordinates with the pin 310 on return-air seat 300, therefore, when turnbarrel 110, sleeve 110 can be connected to return-air seat 300 or sleeve 110 is separated from return-air seat 300.
Describe the form that arranges of transmission unit 130 and driving component 140 in detail below with reference to accompanying drawing.As depicted in figs. 1 and 2, transmission unit 130 can comprise the circumferential through slot on the barrel that is arranged on sleeve 110.It should be noted that, " circumferentially through slot " herein refers to the circumferential extension of groove along sleeve 110, and at the barrel that connects in the radial direction sleeve 110.This circumferential through slot can be determined according to actual conditions along the circumferential extended length of the barrel of sleeve 110.For example, according in an embodiment of the present utility model, for return-air rifle 100 being connected to return-air seat 300, need to be by sleeve 110 90-degree rotations, therefore, this circumferential through slot can be for being more than or equal to 1/4 of circumference along the circumferential extended length of the barrel of sleeve 110.Circumferentially the quantity of through slot also can be determined according to actual conditions.For example, according in an embodiment of the present utility model, circumferentially the quantity of through slot can be 2, and its longitudinal center's axis about sleeve 110 is arranged on the barrel of sleeve 110 symmetrically.
Correspondingly, driving component 140 can comprise pin.The quantity of driving component 140 can be corresponding to the quantity of circumferential through slot.On the rifle body pipeline 120 of return-air rifle 100, be provided with the assembly department 124 corresponding with circumferential through slot on sleeve 110, one end of pin is fixedly installed in assembly department 124.For example, assembly department 124 can be interior threaded hole, and the threaded one end of pin is connected to assembly department 124.Certainly, one end of pin can also be fixedly installed in assembly department 124 by any other suitable mode.The other end of pin extends through circumferential through slot.Drive rifle body pipeline 120 along with sleeve 110 rotates for fear of pin, between the sidewall of the circumferential through slot on pin and sleeve 110, need to leave gap.It is the width that the width of circumferential through slot should be greater than assembly department 124.
The size in gap can be determined according to actual conditions, gap is too large, not only make structure not compact, but also can cause driving component 140 can not be under the promotion of circumferential through slot along longitudinal synchronizing moving of sleeve 110, thereby can not drive rifle body pipeline 120 to vertically move or make this to move to postpone to occur along sleeve 110.Preferably, the size in gap can be 0.1mm～0.3mm.As example, according in an embodiment of the present utility model, circumferentially the width of through slot can be 6.3mm, and can be 6mm as the nominal diameter of the interior threaded hole of assembly department, and the diameter of pin can be 6mm.Therefore in the time that pin is threaded io interior threaded hole, between pin and circumferential through slot, can there is the gap of 0.15mm.
In the above-described embodiments, under the effect of external force, for example manual operation operating grip 160 (as shown in Figure 1), sleeve 110 rotates, so that the spiral chute 113 on the barrel of sleeve 110 coordinates with the pin 310 on return-air seat 300.In this process, when sleeve 110 rotates, also can vertically moving along sleeve 110.Similarly, the circumferential through slot on sleeve 110 rotates and vertically moving along sleeve 110 with respect to driving component 140.That is to say, on sleeve 110, circumferentially rotatablely moving of through slot can not make driving component 140 rotate motion, can not make rifle body pipeline 120 rotate.But because driving component 140 is by circumferential through slot, therefore, driving component 140 also by with circumferential through slot along the vertically moving of sleeve 110, and drive rifle body pipeline 120 vertically moving along sleeve 110 together.Therefore, in whole process, sleeve 110 had not only produced and had rotatablely moved but also along the vertically moving of sleeve 110, and only vertically moving along sleeve 110 under the drive of sleeve 110 of rifle body pipeline 120.Between rifle body pipeline 120 and sleeve 110 spaced apart and driving component 140 and circumferentially the gap between through slot can eliminate the impact that rotatablely moves rifle body pipeline 120 is produced of sleeve 110.
The form of through hole, except the above described form of being arranged to circumferential through slot, can also be arranged in transmission unit 130.As shown in Figure 3, transmission unit 230 comprises the through hole on the barrel that is arranged on sleeve 210.Similarly, the quantity of through hole also can be determined according to actual conditions.As example, according in an embodiment of the present utility model, the quantity of through hole can be 2, and it is longitudinally arranged on the barrel of sleeve 210 symmetrically about sleeve 210.The internal diameter of through hole also can be determined according to actual conditions.
Correspondingly, driving component 240 can comprise drive block 241 and operating grip 242.The quantity of driving component 240 can be corresponding to the quantity of through hole.As example, according in an embodiment of the present utility model, the quantity of driving component 240 can be 2, and correspondingly, the quantity of drive block 241 and operating grip 242 also can be 2.Describe in detail according to another embodiment's of the utility model driving component 240 below in conjunction with Fig. 3.
As shown in Figure 3, the drive block 241 of driving component 240 can be connected to rifle body pipeline 220 by methods such as welding in sleeve 210.Drive rifle body pipeline 120 to rotate together for fear of sleeve 210, between drive block 241 and the barrel of sleeve 210, can there is gap.Similarly, the size in gap can be 0.1mm～0.3mm.On drive block 241, be provided with the driving groove 241A corresponding with through hole on the barrel of sleeve 210.One end of operating grip 242 is arranged in driving groove, and is configured to rotate along driving groove 242.The other end of operating grip 242 extends through through hole, and can be with moving sleeve 210 to rotate.For the ease of operation, generally can setting operation handle 242 on return-air rifle, to facilitate drive sleeve rotating.In this embodiment, operating grip 242 not only can be used as functional unit band moving sleeve 210 and rotates, but also can be used as a part for driving component 240, drives rifle body pipeline 120 vertically moving along sleeve 210.
In order to make operating grip 242 can be with moving sleeve 210 to rotate, the fit form between the through hole on operating grip 242 and sleeve 210 can have multiple.For example, operating grip 242 can be fixedly connected to through hole, also can removably be connected with through hole.As example, according in an embodiment of the present utility model, can in through hole 230, be provided with the first screw thread, and on the corresponding position of operating grip 242, can be provided with and the second screw thread of the first screw-thread fit.Cooperation by the first screw thread and the second screw thread can be connected to sleeve 210 by operating grip 242 in the process that uses return-air rifle 200, and not using in the process of return-air rifle 200, operating grip 242 is unloaded.
As above, one end of longitudinally extending from the second end 112 of sleeve 110 along sleeve 110 of rifle body pipeline 120 is for being connected with storage tank.Preferably, according in an embodiment of the present utility model, one end that second end 112 from sleeve 110 of rifle body pipeline 120 extends out is provided with connection part 150.This connection part 150 is for being connected with storage tank.Connection part 150 can adopt the known any mode of those skilled in the art.
In sum, spaced apart according to sleeve 110 and the rifle body pipeline 120 of return-air rifle 100 of the present utility model, thus rifle body pipeline 120 can not rotated along with the rotation of sleeve 110.And by being arranged on transmission unit 130 and the driving component 140 on return-air rifle 100, sleeve 110 is vertically moving along sleeve 110 in rotary course, be along the longitudinal movement to rifle body pipeline 120 and sleeve 110 basic synchronization, thereby rifle body pipeline not only can be realized and being connected of return-air seat 300, do not need again to produce rotation, avoid causing gas leakage because multiple rotary damages rifle body pipeline 120, affect the Safety performance of return-air rifle 100.
The utility model is illustrated by above-described embodiment, but should be understood that, above-described embodiment is the object for giving an example and illustrating just, but not is intended to the utility model to be limited in described scope of embodiments.In addition it will be understood by those skilled in the art that; the utility model is not limited to above-described embodiment; can also make more kinds of variants and modifications according to instruction of the present utility model, these variants and modifications all drop in the utility model scope required for protection.Protection domain of the present utility model is defined by the appended claims and equivalent scope thereof.
Claims (10)
1. a return-air rifle, is characterized in that, described return-air rifle comprises:
Sleeve, described sleeve comprises first end and the second end, on the barrel of contiguous described first end, be provided with the spiral chute that extends to described first end, described spiral chute is for coordinating with the pin on return-air seat, with when the described sleeve rotating, described sleeve is connected to described return-air seat or described sleeve is separated from described return-air seat;
Rifle body pipeline, described rifle body install pipeline is in described sleeve, and along longitudinally the extending out from described second end of described sleeve of described sleeve, and the barrel of described rifle body pipeline and described sleeve is spaced apart;
Transmission unit, described transmission unit is arranged on the barrel of described sleeve; And
Driving component, described driving component is connected to described rifle body pipeline, and a part for described driving component is contained in described transmission unit, and is configured to make described rifle body pipeline and described sleeve to be along the longitudinal movement to basic synchronization, in the time of described sleeve rotating, described rifle body pipeline does not rotate simultaneously.
2. return-air rifle as claimed in claim 1, is characterized in that, described transmission unit comprises the through hole on the barrel that is arranged on described sleeve.
3. return-air rifle as claimed in claim 2, is characterized in that, described driving component comprises:
Drive block, described drive block is connected to described rifle body pipeline in described sleeve, and and the barrel of described sleeve between there is gap, on described drive block, be provided with the driving groove corresponding with described through hole; And
Operating grip, one end of described operating grip is arranged in described driving groove, and is configured to rotate along described driving groove, and the other end of described operating grip extends through described through hole.
4. return-air rifle as claimed in claim 3, is characterized in that, described rifle body pipeline comprises:
Rifle body, described rifle body is arranged in described sleeve, in described rifle body, is provided with spring thimble part;
Pipe section, one end of described pipe section is connected to described rifle body in described sleeve, and the other end longitudinally extends out from described second end of described sleeve along described sleeve;
Wherein, described drive block is arranged between described pipe section and described sleeve, and described drive block is connected to described pipe section.
5. return-air rifle as claimed in claim 3, is characterized in that, is provided with the first screw thread in described through hole, is provided with the second screw thread with described the first screw-thread fit on described operating grip.
6. return-air rifle as claimed in claim 1, is characterized in that, described transmission unit comprises the circumferential through slot on the barrel that is arranged on described sleeve.
7. return-air rifle as claimed in claim 6, it is characterized in that, on described rifle body pipeline, be provided with the assembly department corresponding with described circumferential through slot, described driving component comprises pin, one end of described pin is fixedly installed in described assembly department, the other end of described pin extends through described circumferential through slot, and and described circumferential through slot between there is gap.
8. return-air rifle as claimed in claim 7, is characterized in that, described rifle body pipeline comprises:
Rifle body, described rifle body is arranged in described sleeve, in described rifle body, is provided with spring thimble part;
Pipe section, one end of described pipe section is connected to described rifle body in described sleeve, and the other end longitudinally extends out from described second end of described sleeve along described sleeve; And
Connecting sleeve, described connecting sleeve holds at least a portion of described rifle body, and extends along the direction away from described pipe section,
Wherein, between described connecting sleeve and the barrel of described sleeve, have gap, described assembly department is arranged on described connecting sleeve.
9. the return-air rifle as described in claim 3,4,7 or 8, the size in described gap is 0.1mm～0.3mm.
10. return-air rifle as claimed in claim 1, is characterized in that, one end that described second end from described sleeve of described rifle body pipeline extends out is provided with connection part, and described connection part is for being connected with storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865708.4U CN203671231U (en) | 2013-12-26 | 2013-12-26 | Gas return gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865708.4U CN203671231U (en) | 2013-12-26 | 2013-12-26 | Gas return gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203671231U true CN203671231U (en) | 2014-06-25 |
Family
ID=50967524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865708.4U Expired - Fee Related CN203671231U (en) | 2013-12-26 | 2013-12-26 | Gas return gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203671231U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847937A (en) * | 2015-05-18 | 2015-08-19 | 苏州赛智达智能科技有限公司 | Low-temperature gas return valve on LNG storage tank |
| CN106907495A (en) * | 2017-03-28 | 2017-06-30 | 罗达莱克斯阀门(上海)有限公司 | A kind of low temperature gas recovery valve |
| CN108105395A (en) * | 2017-12-15 | 2018-06-01 | 江苏克劳特低温技术有限公司 | A kind of LNG vehicle gas cylinders low temperature gas returning port special opening valve and return-air valve |
-
2013
- 2013-12-26 CN CN201320865708.4U patent/CN203671231U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847937A (en) * | 2015-05-18 | 2015-08-19 | 苏州赛智达智能科技有限公司 | Low-temperature gas return valve on LNG storage tank |
| CN104847937B (en) * | 2015-05-18 | 2017-05-03 | 苏州赛智达智能科技有限公司 | Low-temperature gas return valve on LNG storage tank |
| CN106907495A (en) * | 2017-03-28 | 2017-06-30 | 罗达莱克斯阀门(上海)有限公司 | A kind of low temperature gas recovery valve |
| CN106907495B (en) * | 2017-03-28 | 2019-12-10 | 罗达莱克斯阀门(上海)有限公司 | Low-temperature gas recovery valve |
| CN108105395A (en) * | 2017-12-15 | 2018-06-01 | 江苏克劳特低温技术有限公司 | A kind of LNG vehicle gas cylinders low temperature gas returning port special opening valve and return-air valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203671231U (en) | Gas return gun | |
| CN202903426U (en) | Test equipment for rubber drum of packer | |
| CN203269545U (en) | Cock type engine charging controller | |
| CN103567959A (en) | Press-fitting tool for spark plug barrel of cylinder cover | |
| CN207333483U (en) | A kind of universal joint feeding lubricating device | |
| CN104319549B (en) | Anti-loose connector assembly | |
| CN203818084U (en) | Device for replacing low-temperature liquid adding port sealing ring | |
| KR20120035959A (en) | Fuel tank for gas fuel vehicles and fuel charge method thereof | |
| CN207864547U (en) | Sprayer and transmission mechanism thereof | |
| CN205330949U (en) | Make things convenient for packing box assembly of dismouting | |
| CN103644452B (en) | A kind of rifle head of LNG Liquefied natural gas of annotating | |
| CN207487898U (en) | A kind of cylinder seal detecting tool | |
| CN109404721A (en) | Hydrogen cylinder | |
| CN202673482U (en) | Novel internal combustion engine liquefied natural gas (LNG)/ diesel hybrid power device | |
| CN203527370U (en) | Cylinder cover sparking plug threaded sleeve press fitting tool | |
| CN105350925A (en) | Anti-corrosion high-temperature-resistant lining structure for TP-JC oil well pipe with special thread | |
| CN103894968B (en) | Low temperature filling opening sealing ring more changing device and using method thereof | |
| CN206426035U (en) | A kind of assembly tooling of reversal valve valve pocket | |
| CN101244631A (en) | Tyre repairing tank | |
| CN207276193U (en) | A kind of liquid-adding device peculiar to vessel | |
| CN207334016U (en) | A kind of LNG heavy trucks gas kitchen pipe joint | |
| CN203549374U (en) | Liquefied natural gas filling nozzle | |
| JP2016084058A (en) | Manufacturing method of fuel oil feed pipe for automobile and fuel oil feed pipe for automobile | |
| CN213574003U (en) | Plugging device for coal seam deep hole double-pipe directional drilling machine | |
| CN203335878U (en) | Gas return structure for liquefied natural gas filling device |
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: 20140625 Termination date: 20211226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |