CN109581480A - Air gun source rifle thick stick - Google Patents
Air gun source rifle thick stick Download PDFInfo
- Publication number
- CN109581480A CN109581480A CN201811503402.8A CN201811503402A CN109581480A CN 109581480 A CN109581480 A CN 109581480A CN 201811503402 A CN201811503402 A CN 201811503402A CN 109581480 A CN109581480 A CN 109581480A
- Authority
- CN
- China
- Prior art keywords
- connector sleeve
- connecting rod
- air gun
- thick stick
- rod
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/02—Generating seismic energy
- G01V1/04—Details
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Acoustics & Sound (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Geophysics (AREA)
- Toys (AREA)
- Telescopes (AREA)
Abstract
A kind of air gun source rifle thick stick provided by the invention, comprising: the body of rod；Connecting rod；One end of connecting rod is provided with the interconnecting piece for being connected with air gun；Connector sleeve；Connector sleeve is sheathed on connecting rod back to one end of interconnecting piece；And limiting slot is provided in connector sleeve, it is provided in connecting rod for protruding into the locating part in limiting slot；One end of connector sleeve back to connecting rod is detachably connected with the body of rod；The both ends of the body of rod are removably connected with a connector sleeve respectively, and a connecting rod is equipped in each connector sleeve, and a limiting slot is provided in each connector sleeve, a gag lever post is provided in each connector sleeve；Limiting slot includes circumferentially arranged in the annular groove in connector sleeve, and locating part includes circumferentially arranged in the bulge loop in connecting rod, and bulge loop is for protruding into annular groove.This application provides one kind air gun source rifle thick stick that can be assembled and be disassembled, fractures probability to improve structural strength, reduce and improve the reliability used.
Description
Technical field
The present invention relates to marine seismic prospectiong technical field more particularly to a kind of air gun source rifle thick sticks.
Background technique
Air gun source rifle thick stick is for connecting air gun, to form air gun rifle battle array.
It is stock that air gun source rifle thick stick in the prior art is an integral structure, non-dismountable.Due to stock length compared with
It is long, so transport is inconvenient and is easy to happen the rifle thick stick unrepairable to fracture, after fractureing during use, can only discard.
Air gun source rifle thick stick in the prior art belongs to disposable, increases buying, inventory and production cost, and influence air gun shake
The normal work in source, the reliability that can not ensure air gun work.
Summary of the invention
In view of this, the application embodiment provides a kind of air gun source rifle thick stick that can be assembled and disassemble, to mention
High structural strength, reduction, which fracture, probability and improves the reliability that uses.
Following technical proposal can be used to realize in above-mentioned purpose of the invention: a kind of air gun source rifle thick stick, comprising: the body of rod；
Connecting rod；One end of the connecting rod is provided with the interconnecting piece for being connected with air gun；Connector sleeve；The connector sleeve is sheathed on institute
Connecting rod is stated back to one end of the interconnecting piece；And limiting slot is provided in the connector sleeve, it is arranged in the connecting rod useful
In the locating part protruded into the limiting slot；One end of the connector sleeve back to the connecting rod detachably connects with the body of rod
It connects.
As a preferred embodiment, the both ends of the body of rod are removably connected with the connector sleeve respectively,
It is equipped with the connecting rod in each connector sleeve, the limiting slot is provided in each connector sleeve, often
The gag lever post is provided in a connector sleeve.
As a preferred embodiment, the interconnecting piece is external screw thread.
As a preferred embodiment, the limiting slot includes circumferentially arranged in the annular groove in the connector sleeve,
The locating part includes circumferentially arranged in the bulge loop in the connecting rod, and the bulge loop is for protruding into the annular groove.
As a preferred embodiment, the limiting slot further includes being set in the upper inner wall of the connector sleeve
Upper keyway, the lower keyway for facing with the upper keyway is provided in the connecting rod, and the locating part further includes setting
In in the lower keyway and for protruding into the key in the upper keyway.
As a preferred embodiment, the annular groove is located at the upper keyway along axial side.
As a preferred embodiment, the key is flat key.
As a preferred embodiment, described be detachably connected as being threadedly coupled.
As a preferred embodiment, being provided with lifting lug at the top of the connector sleeve, the lifting lug has through hole.
As a preferred embodiment, the connector sleeve includes the expansion that undergauge section section and outer diameter are greater than the undergauge section
Diameter section, the limiting section are set in the extension diameter section, and one end of the body of rod and the limiting slot back to the undergauge section can
Dismantling connection.
As a preferred embodiment, the length of the body of rod is 500mm to 850mm；The length of the connecting rod
For 80mm to 150mm.
The beneficial effect of air gun source rifle thick stick provided by the present application is: the air gun source rifle thick stick of the application embodiment passes through
Interconnecting piece in connecting rod is connected with air gun, and the locating part in connecting rod can protrude into the limiting slot of connector sleeve, to connect
Bar can be assembled and be disassembled with connector sleeve.Connector sleeve is detachably connected with the body of rod, and the connector sleeve can be assembled with the body of rod
And dismantling, so air gun source rifle thick stick described in the application embodiment can be carried out assembling and dismantling.Due to the application embodiment party
Air gun source rifle thick stick described in formula is formed by connecting by multiple components (connecting rod, connector sleeve and the body of rod), so can improve each
The structural strength of component, to reduce the probability that fractures, improves use reliability to improve the intensity of whole rifle thick stick.And it uses
Once some component wear or fracture in, the component by disassembling, replacing damage can be repaired.Therefore, the application embodiment party
Formula provides a kind of air gun source rifle thick stick that can be assembled and be disassembled, and probability and is mentioned with improving structural strength, reducing to fracture
The reliability that height uses.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the structural schematic diagram for the air gun source rifle thick stick that one embodiment of the present invention provides；
Fig. 2 is the cross-sectional view for the air gun source rifle thick stick that one embodiment of the present invention provides；
Fig. 3 is the structural schematic diagram for the body of rod that one embodiment of the present invention provides；
Fig. 4 is the structural schematic diagram for the connecting rod that one embodiment of the present invention provides；
Fig. 5 is the structural schematic diagram for the connector sleeve that one embodiment of the present invention provides.
Description of symbols:
11, the body of rod；13, connecting rod；15, interconnecting piece；17, connector sleeve；19, limiting slot；21, locating part；23, annular groove；25,
Bulge loop；27, upper keyway；29, lower keyway；31, key；35, lifting lug；37, through hole；39, undergauge section；41, extension diameter section.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is please referred to Fig. 5.The air gun source rifle thick stick that a kind of embodiment of the application provides, may include: the body of rod
11；Connecting rod 13；One end of the connecting rod 13 is provided with the interconnecting piece 15 for being connected with air gun；Connector sleeve 17；The company
Female connector 17 is sheathed on the connecting rod 13 back to one end of the interconnecting piece 15；And limiting slot is provided in the connector sleeve 17
19, the locating part 21 for protruding into the limiting slot 19 is provided in the connecting rod 13；The connector sleeve 17 is back to described
One end of connecting rod 13 is detachably connected with the body of rod 11.
The air gun source rifle thick stick of the application embodiment is connected by the interconnecting piece 15 in connecting rod 13 with air gun, and is connected
Locating part 21 on bar 13 can protrude into the limiting slot 19 of connector sleeve 17, thus connecting rod 13 can be carried out with connector sleeve 17 assembling and
Dismantling.Connector sleeve 17 is detachably connected with the body of rod 11, and the connector sleeve 17 can be assembled and be disassembled with the body of rod 11, so this Shen
It please can be carried out assembling and dismantling by air gun source rifle thick stick described in embodiment.The air gun source as described in the application embodiment
Rifle thick stick is formed by connecting by multiple components (connecting rod 13, connector sleeve 17 and the body of rod 11), so the structure of each component can be improved
Intensity, to reduce the probability that fractures, improves use reliability to improve the intensity of whole rifle thick stick.Once and some in use
Component wear or fracture, the component by disassembling, replacing damage can be repaired.
As shown in Figure 1, Figure 3, in the present embodiment, 11 lengthwise of the body of rod extends.The body of rod 11 is in the form of a column on the whole.The body of rod
The shape of 11 cross section can be circle, polygon etc., not provide to this application.
As Figure 1 and Figure 4, in the present embodiment, connecting rod 13 is used for connecting-rod body 11 and air gun, to form air gun
Rifle battle array.Specifically, one end of connecting rod 13, in Fig. 1, i.e. the upper end of connecting rod 13 is provided with the company for being connected with air gun
Socket part 15.The connection type can be screw and connect, is bolted, be threadedly coupled.Further, interconnecting piece 15 is outer spiral shell
Line, so that connecting rod 13 is threadedly coupled with air gun.
As shown in Figure 1 and Figure 2, in the present embodiment, connector sleeve 17 is used for connecting-rod body 11 and connecting rod 13.Specifically,
Connector sleeve 17 is in hollow tubular on the whole.The hollow space forms the through hole 20 of both ends perforation, so that connector sleeve 17
It can be sheathed in connecting rod 13 and the body of rod 11 by the through hole 20.Further, connector sleeve 17 be sheathed on connecting rod 13 back to
One end of interconnecting piece 15.As shown in Figure 1, the upper end of connector sleeve 17 is sheathed on the lower end of connecting rod 13.It is provided in connector sleeve 17
Limiting slot 19.The locating part 21 for protruding into limiting slot 19 is provided in connecting rod 13.The locating part 21 is used for connecting rod
13 are limited, so that connecting rod 13 cannot be mobile relative to connector sleeve 17.Connector sleeve 17 is back to one end of connecting rod 13
It is detachably connected with the body of rod 11.As shown in Figure 1, the lower end of connector sleeve 17 is detachably connected with the body of rod 11.In an embodiment
In, it is detachably connected as being threadedly coupled.Specifically, connector sleeve 17 is back to being provided with internal screw thread, the body of rod in one end of connecting rod 13
11 one end is provided with the external screw thread that can be matched with the internal screw thread.Certainly it is detachably connected and is not limited to be threadedly coupled, it can be with
It is other connection types, such as screw is connected, is bolted.
In one embodiment, limiting slot 19 includes circumferentially arranged in the annular groove 23 in connector sleeve 17, locating part 21
Including circumferentially arranged in the bulge loop 25 in connecting rod 13, bulge loop 25 is for protruding into annular groove 23.To pass through bulge loop 25 and ring
Slot 23, prevent connecting rod 13 is relative to connector sleeve 17 from being axially moveable, to limit to axial, to prevent connector sleeve
17 slide from connecting rod 13, to guarantee the fastness that connecting rod 13 is connect with connector sleeve 17.
Further, limiting slot 19 further includes the upper keyway 27 being set in the upper inner wall of connector sleeve 17, connecting rod 13
On be provided with lower keyway 29 for facing with upper keyway 27, locating part 21 further includes being set in lower keyway 29 and for stretching
Enter the key 31 in upper keyway 27.Thus by upper keyway 27, lower keyway 29 and key 31, prevent connecting rod 13 is from relative to even
Female connector 17 rotates, to limit to circumferential, to prevent connector sleeve 17 from rotating relative to connecting rod 13, to guarantee connecting rod
13 stability being connect with connector sleeve 17.Further, key 31 is flat key.Certain key 31 is not limited to flat key, can also be it
His key, such as woodruff key, taper key.This application is not provided.
As shown in Figure 2, it is preferable that annular groove 23 is located at 31 slot of key along axial side.As shown in Fig. 2, annular groove 23 is located at key
The downside of 31 slots.To in use, first key 31 is put into the lower keyway 29 of connecting rod 13.Then by the connecting rod 13 from connection
The lower end of set 17 is encased in connector sleeve 17, so that the key 31 in connecting rod 13 can protrude into keyway 27, and in connecting rod 13
Bulge loop 25 can protrude into annular groove 23.Then connector sleeve 17 and the body of rod 11 are detachably connected.
As shown in Figure 1 and Figure 2, in one embodiment, the both ends of the body of rod 11 are removably connected with a connector sleeve respectively
17, a connecting rod 13 is equipped in each connector sleeve 17, and a limiting slot 19, each connection are provided in each connector sleeve 17
A gag lever post is provided in set 17.Namely connector sleeve 17 is two, connecting rod 13 is two.To which the both ends of the body of rod 11 can be divided
Not Tong Guo a connector sleeve 17 be connected with a connecting rod 13, and then the interconnecting piece 15 of connecting rod 13 can be connected with air gun, thus
Enable two air guns to be connected to the both ends of the body of rod 11, and then forms air gun rifle battle array.
As shown in Figure 1, shown in Figure 5, in one embodiment, the top of connector sleeve 17 is provided with lifting lug 35, and lifting lug 35 has
Through hole 37.The through hole 37 with the through hole of the lifting lug 35 of another rifle thick stick for being connected, so that multiple rifle thick sticks are connected.
As shown in Figure 1, shown in Figure 5, in one embodiment, connector sleeve 17 includes that 39 sections of undergauge section and outer diameter are greater than undergauge section
39 extension diameter section 41, limiting section are set in extension diameter section 41, and the body of rod 11 and one end of limiting slot 19 back to undergauge section 39 are detachable
Connection.So as to facilitate the connection between connector sleeve 17 and connecting rod 13 and the body of rod 11.Such as shown, due to extension diameter section 41
Positioned at the lower section of undergauge section 39, thus using when can facilitate connecting rod 13 is penetrated into connector sleeve 17 from the lower end of connector sleeve 17
Interior, so that the key 31 in connecting rod 13 can protrude into keyway 27, and the bulge loop 25 in connecting rod 13 can protrude into annular groove 23.
Further, the length of the body of rod 11 is 500mm to 850mm；The length of connecting rod 13 is 80mm to 190mm.
The assembling of volume air gun source rifle thick stick described in the application embodiment and dismantling process are as follows:
When assembling, key 31 is put into the lower keyway 29 of connecting rod 13 first.Then by the connecting rod 13 from connector sleeve 17
Lower end be encased in connector sleeve 17 so that the key 31 in connecting rod 13 can protrude into keyway 27, and convex in connecting rod 13
Ring 25 can protrude into annular groove 23.Then after smearing thread locking glue at the both ends screw thread of the body of rod 11, by the both ends of the body of rod 11 point
Not Xuan Ru a connector sleeve 17, and reinforcing fastening is carried out using pipe wrench or monkey wrench, to complete to assemble.
When dismantling, is heated first in the threaded connection place at 11 both ends of the body of rod using strength heat gun, make thread locking
Glue failure.Then the body of rod 11 is separated with 17 phase of connector sleeve.Then connecting rod 13 is axially moveable relative to connector sleeve 17, with
So that connecting rod 13 is separated with 17 phase of connector sleeve, to realize the dismantling of connecting rod 13, the body of rod 11 and connector sleeve 17.
The above is only several embodiments of the present invention, those skilled in the art can be right according to application documents disclosure
The embodiment of the present invention carries out various changes or modifications without departing from the spirit and scope of the present invention.
Claims (11)
1. a kind of air gun source rifle thick stick characterized by comprising
The body of rod；
Connecting rod；One end of the connecting rod is provided with the interconnecting piece for being connected with air gun；
Connector sleeve；The connector sleeve is sheathed on the connecting rod back to one end of the interconnecting piece；And setting in the connector sleeve
There is limiting slot, the locating part for protruding into the limiting slot is provided in the connecting rod；The connector sleeve is back to the company
One end of extension bar is detachably connected with the body of rod.
2. air gun source rifle thick stick according to claim 1, it is characterised in that: the both ends of the body of rod are detachably connected respectively
There is the connector sleeve, the connecting rod is equipped in each connector sleeve, is provided in each connector sleeve
One limiting slot is provided with the gag lever post in each connector sleeve.
3. air gun source rifle thick stick according to claim 1, it is characterised in that: the interconnecting piece is external screw thread.
4. air gun source rifle thick stick according to claim 1, it is characterised in that: the limiting slot includes circumferentially arranged in institute
The annular groove in connector sleeve is stated, the locating part includes circumferentially arranged in the bulge loop in the connecting rod, and the bulge loop is for stretching
Enter in the annular groove.
5. air gun source rifle thick stick according to claim 4, it is characterised in that: the limiting slot further includes being set to the company
Upper keyway in the upper inner wall of female connector is provided with the lower keyway for facing with the upper keyway, institute in the connecting rod
Stating locating part further includes being set in the lower keyway and for protruding into the key in the upper keyway.
6. air gun source rifle thick stick according to claim 5, it is characterised in that: the annular groove is located at the upper keyway along axial
Side.
7. air gun source rifle thick stick according to claim 5, it is characterised in that: the key is flat key.
8. air gun source rifle thick stick according to claim 1, it is characterised in that: described to be detachably connected as being threadedly coupled.
9. air gun source rifle thick stick according to claim 1, it is characterised in that: it is provided with lifting lug at the top of the connector sleeve,
The lifting lug has through hole.
10. air gun source rifle thick stick according to claim 1, it is characterised in that: the connector sleeve includes undergauge section section and outer
Diameter is greater than the extension diameter section of the undergauge section, and the limiting section is set in the extension diameter section, and the body of rod and the limiting slot are carried on the back
One end of the undergauge section is detachably connected.
11. air gun source rifle thick stick according to claim 1, it is characterised in that: the length of the body of rod be 500mm extremely
850mm；The length of the connecting rod is 80mm to 150mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503402.8A CN109581480B (en) | 2018-12-10 | 2018-12-10 | Air gun focus gun bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503402.8A CN109581480B (en) | 2018-12-10 | 2018-12-10 | Air gun focus gun bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109581480A true CN109581480A (en) | 2019-04-05 |
| CN109581480B CN109581480B (en) | 2020-12-08 |
Family
ID=65929214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811503402.8A Active CN109581480B (en) | 2018-12-10 | 2018-12-10 | Air gun focus gun bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109581480B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2189560A (en) * | 1986-04-22 | 1987-10-28 | Derek Frith | Drain rod locking coupling |
| CA1248212A (en) * | 1984-01-23 | 1989-01-03 | Pascal Dedole | Device for generating percussive acoustic impulses in a well |
| US5475188A (en) * | 1991-09-04 | 1995-12-12 | Geco A.S. | Device for securing two or more seismic energy sources at fixed relative positions |
| CN101349760A (en) * | 2008-08-29 | 2009-01-21 | 中国石油集团东方地球物理勘探有限责任公司 | Geological exploration pneumatic gun seismic source array gun bar |
| CN101463851A (en) * | 2007-12-20 | 2009-06-24 | 史丹利七和国际股份有限公司 | Telescopic connecting rod |
| CN101750625A (en) * | 2009-12-16 | 2010-06-23 | 中国石油天然气集团公司 | Geological exploration air gun focus array gun bar with high navigational speed |
| CN203981897U (en) * | 2014-05-28 | 2014-12-03 | 中国石油集团东方地球物理勘探有限责任公司 | For the geophysical survey device in marsh and transitional zone area, sea, beach |
| CN204009090U (en) * | 2014-08-08 | 2014-12-10 | 黄河勘测规划设计有限公司 | Combined type seismic exploration seismic source generating means |
| CN205225968U (en) * | 2015-12-16 | 2016-05-11 | 广西玉柴机器股份有限公司 | But quickly separating and connection connect pole |
| CN205484838U (en) * | 2016-01-14 | 2016-08-17 | 中石化石油工程技术服务有限公司 | Pneumatic controlled source vibrator of top formula of giving up |
| CN206684322U (en) * | 2017-03-02 | 2017-11-28 | 深圳市拓迈电子有限公司 | A kind of metal detector of easy disassembly |
| CN206723214U (en) * | 2017-05-02 | 2017-12-08 | 胡刚 | A kind of plugged and fixed formula connecting rod structure |
| CN207424269U (en) * | 2017-11-22 | 2018-05-29 | 机械工业勘察设计研究院有限公司 | A kind of Weight type seismic exploration seismic source |
-
2018
- 2018-12-10 CN CN201811503402.8A patent/CN109581480B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1248212A (en) * | 1984-01-23 | 1989-01-03 | Pascal Dedole | Device for generating percussive acoustic impulses in a well |
| GB2189560A (en) * | 1986-04-22 | 1987-10-28 | Derek Frith | Drain rod locking coupling |
| US5475188A (en) * | 1991-09-04 | 1995-12-12 | Geco A.S. | Device for securing two or more seismic energy sources at fixed relative positions |
| CN101463851A (en) * | 2007-12-20 | 2009-06-24 | 史丹利七和国际股份有限公司 | Telescopic connecting rod |
| CN101349760A (en) * | 2008-08-29 | 2009-01-21 | 中国石油集团东方地球物理勘探有限责任公司 | Geological exploration pneumatic gun seismic source array gun bar |
| CN101750625A (en) * | 2009-12-16 | 2010-06-23 | 中国石油天然气集团公司 | Geological exploration air gun focus array gun bar with high navigational speed |
| CN203981897U (en) * | 2014-05-28 | 2014-12-03 | 中国石油集团东方地球物理勘探有限责任公司 | For the geophysical survey device in marsh and transitional zone area, sea, beach |
| CN204009090U (en) * | 2014-08-08 | 2014-12-10 | 黄河勘测规划设计有限公司 | Combined type seismic exploration seismic source generating means |
| CN205225968U (en) * | 2015-12-16 | 2016-05-11 | 广西玉柴机器股份有限公司 | But quickly separating and connection connect pole |
| CN205484838U (en) * | 2016-01-14 | 2016-08-17 | 中石化石油工程技术服务有限公司 | Pneumatic controlled source vibrator of top formula of giving up |
| CN206684322U (en) * | 2017-03-02 | 2017-11-28 | 深圳市拓迈电子有限公司 | A kind of metal detector of easy disassembly |
| CN206723214U (en) * | 2017-05-02 | 2017-12-08 | 胡刚 | A kind of plugged and fixed formula connecting rod structure |
| CN207424269U (en) * | 2017-11-22 | 2018-05-29 | 机械工业勘察设计研究院有限公司 | A kind of Weight type seismic exploration seismic source |
Non-Patent Citations (1)
| Title |
|---|
| 魏大恩 主编: "《矿山机械》", 31 January 2017, 冶金工业出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109581480B (en) | 2020-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2010121169A (en) | FUEL INJECTOR OF A GAS TURBINE ENGINE WITH A REMOVABLE AUXILIARY TUBE OF LIQUID FUEL | |
| CN105593455B (en) | Drill string with bending resistance connector | |
| US20210293096A1 (en) | Centralizer | |
| CN109581480A (en) | Air gun source rifle thick stick | |
| CN201377491Y (en) | Locking tube joint | |
| CN109296141A (en) | Ellipsoid steel connection | |
| CN104358359B (en) | Concave-convex steel bar joint | |
| CN201232694Y (en) | Combination hollow screw | |
| CN106284853A (en) | Screw-thread steel plug-in type branch sleeve for building and using method thereof | |
| CN201065739Y (en) | Elastic elliptical pin | |
| CN204780886U (en) | A bayonet joint for joint formula connecting piece | |
| CN216642772U (en) | Aluminum alloy rib pipe structure for thrust rod or transmission shaft | |
| CN204781351U (en) | Integral type nut connecting piece | |
| CN207376968U (en) | Quick assembling breakdown sleeve and pile foundation steel bar cage | |
| JP2013515917A (en) | Set for achieving a threaded connection structure, method for assembling and disassembling the connection structure and use of the connection structure in a riser | |
| RU173200U1 (en) | STEERING DRY DRIVE | |
| CN102840162A (en) | Keyless shaft joint | |
| CN205478975U (en) | Taper hole shaft coupling | |
| MX2021011378A (en) | Drill string rod. | |
| CN217502340U (en) | Stress relief structure of thin-walled hollow shaft welding area of cross-axle type universal coupling | |
| US2335773A (en) | Portable radio antenna | |
| CN113623299B (en) | Quick assembly type tool rod body connecting structure | |
| CN214329601U (en) | A steel lap joint | |
| CN208600849U (en) | A kind of thread tapping screw tap extending structure | |
| CN211078913U (en) | Quick assembly disassembly roll table |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |