CN105927630A - Connecting device of telescopic rod - Google Patents
Connecting device of telescopic rod Download PDFInfo
- Publication number
- CN105927630A CN105927630A CN201610501255.5A CN201610501255A CN105927630A CN 105927630 A CN105927630 A CN 105927630A CN 201610501255 A CN201610501255 A CN 201610501255A CN 105927630 A CN105927630 A CN 105927630A
- Authority
- CN
- China
- Prior art keywords
- bar
- higher level
- subordinate
- pin hole
- attachment means
- 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
- 210000003141 lower extremity Anatomy 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect 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
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
- F16B7/105—Telescoping systems locking in discrete positions, e.g. in extreme extended position
-
- 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
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a connecting device of a telescopic rod. The connecting device is used for connection of an upper-stage rod and a lower-stage rod and comprises a locking sleeve arranged between the upper-stage rod and the lower-stage rod, and an inter-rod angle adjustment mechanism arranged at the joint of the upper-stage rod and the lower-stage rod. The locking sleeve comprises an upper end, a middle and a lower end which are sequentially connected. The upper end of the locking sleeve is connected with the upper-stage rod. The middle of the locking sleeve is a telescopic section. The lower end of the locking sleeve is connected with the outer side of the joint of the upper-stage rod and the lower-stage rod in a sleeving mode. The connecting device of the telescopic rod is simple in structure, easy to realize, low in cost, and capable of providing axial load bearing between the rods and preventing circumferential sliding between the rods, and the angle of the lower-stage rod relative to the upper-stage rod is adjustable.
Description
Technical field
The present invention relates to a kind of attachment means, being specifically related to a kind of being applicable to needs the attachment means of the pipe expansion link that circumference is slided between axial load-bearing and anti-stopping bar.
Background technology
Expansion link is widely used in the every field in productive life, and round bar typically close by multistage caliber, that reduce step by step forms.During the use demand difference of expansion link, between applicable bar, attachment means is different.Conventional utilizes its elastic pressure applied of higher level's pole pair to compress subordinate's bar or the attachment means utilizing hasp to compress elastic round bar by memory component.The axial load-bearing that attachment means of the prior art is unfavorable between bar, is also susceptible between bar slide.Having the device joining single pin, spring in using C-shaped channel in prior art, though will not relatively slide between expansion link, but single-point connects the axially loaded being unfavorable for expansion link.It addition, need subordinate's bar relative to higher level's bar adjustable angle in engineering practice, and needing circumference between arbitrary set angle the superior and the subordinate bar, do not slide, between bar of the prior art, attachment means can not meet requirement.
Summary of the invention
It is an object of the invention to provide the attachment means of a kind of expansion link, simple in construction, it is easy to accomplish, low cost, using the teaching of the invention it is possible to provide between axial load-bearing between bar and anti-stopping bar, circumference is slided, and subordinate's bar is relative to the adjustable angle of higher level's bar.
In order to achieve the above object, the present invention is achieved through the following technical solutions: the attachment means of a kind of expansion link, for the connection of higher level's bar Yu subordinate's bar, is characterized in, this attachment means comprises:
It is arranged on the locking set between described higher level's bar and subordinate's bar;
Angle-adjusting mechanism between bar, is arranged on the position that described higher level's bar is connected with subordinate bar;
Described locking set comprises upper end, middle part and the bottom being sequentially connected with, the upper end of described locking set is connected with described higher level's bar, the middle part of described locking set is telescopic joint, and the bottom of described locking set is socketed in the outside at the position that described higher level's bar is connected with subordinate bar.
Described higher level's bar and subordinate's bar are hollow circular tube.
The internal diameter of described higher level's bar is more than the external diameter of subordinate's bar.
The upper end of described locking set is provided with female thread, and described higher level's bar is provided with and puts, with locking, the external screw thread that end female thread is suitable.
Between described bar, angle-adjusting mechanism comprises: be arranged on described higher level's bar is some to higher level's lever pin hole, described some to higher level's lever pin hole along described higher level's bar circumferentially, axially symmetric;
The some groups of pin-and-hole unit being arranged on described subordinate bar, each group of pin-and-hole unit comprises some to subordinate's lever pin hole, described some to subordinate's lever pin hole along described subordinate bar circumferentially, axially symmetric;
Several stop pins, sequentially pass through subordinate's lever pin hole of higher level's lever pin hole and correspondence, fixing described higher level's bar and subordinate's bar.
When described locking set extends, the lower limb of the bottom of described locking set is positioned at the lower section in described higher level's lever pin hole;When described locking set compresses, the top edge of the upper end of described locking set is positioned at the top in described higher level's lever pin hole.
Axially arranged along described subordinate bar of some groups of described pin-and-hole unit.
The quantity of described stop pin is less than or equal to the quantity in higher level's lever pin hole.
Described higher level's lever pin hole, subordinate's lever pin hole and stop pin are fan-shaped or trapezoidal.
Between described bar, angle-adjusting mechanism also comprises a connection rope, and described connection rope is sequentially connected in series described stop pin.
The attachment means of a kind of expansion link of the present invention compared with prior art has the advantage that owing to being provided with angle-adjusting mechanism between bar, and convenient adjustment subordinate bar is relative to the angle of higher level's bar;Owing to locking set is scalable, conveniently covering higher level's lever pin hole, subordinate's lever pin hole and the station of stop pin, the bottom connecting rope and locking set is prevented from loosening and falling of stop pin;It is shaped as fan-shaped or trapezoidal due to higher level's lever pin hole, subordinate's lever pin hole and stop pin, can effectively prevent stop pin radially sliding along higher level's bar;Present configuration is simple, it is easy to accomplish, low cost, it is simple to promote.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the attachment means of a kind of expansion link of the present invention;
Fig. 2 is the overall structure schematic diagram of angle-adjusting mechanism between bar of the present invention;
Fig. 3 is higher level's lever pin hole and subordinate's lever pin hole corresponding relation schematic diagram.
Detailed description of the invention
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the present invention is further elaborated.
As it is shown in figure 1, the attachment means of a kind of expansion link, for the connection of higher level's bar 100 with subordinate's bar 200, this attachment means comprises: the locking set 300 being arranged between described higher level's bar 100 and subordinate's bar 200;Angle-adjusting mechanism between bar, is arranged on the position that described higher level's bar 100 is connected with subordinate bar 200;Described locking set 300 comprises upper end 301, middle part 302 and the bottom 303 being sequentially connected with, the upper end 301 of described locking set is connected with described higher level's bar 100, the middle part 302 of described locking set be telescopic joint, and the bottom 303 that described locking is overlapped is socketed in the outside at the position that described higher level's bar 101 is connected with subordinate bar 200.
In the present embodiment, as in figure 2 it is shown, it is preferred that described higher level's bar 100 and subordinate's bar 200 are hollow circular tube;Preferably, the internal diameter of described higher level's bar 100 is more than the external diameter of subordinate's bar 200.
In the present embodiment, the upper end 301 of described locking set is provided with female thread 3011, and described higher level's bar 100 is provided with and puts the suitable external screw thread of end female thread 3,011 101 with locking.
In the present embodiment, as it is shown on figure 3, angle-adjusting mechanism comprises between described bar: be arranged on described higher level's bar 100 is some to higher level's lever pin hole 102, described some to higher level's lever pin hole 102 along described higher level's bar 100 circumferentially, axially symmetric;The some groups of pin-and-hole unit being arranged on described subordinate bar 200, each group of pin-and-hole unit comprises some to subordinate's lever pin hole 201, described some to subordinate's lever pin hole 201 along described subordinate bar 200 circumferentially, axially symmetric;Several stop pins 400, sequentially pass through subordinate's lever pin hole 201 of higher level's lever pin hole 102 and correspondence, fixing described higher level's bar 100 and subordinate's bar 200.
In the present embodiment, when described locking set 300 extends, the lower limb of the bottom 303 of described locking set is positioned at the lower section in described higher level's lever pin hole 102;When described locking set 300 compresses, the top edge of the upper end 301 of described locking set is positioned at the top in described higher level's lever pin hole 102, so when needs carry out height and angle adjustment to expansion link, by locking set 300 compression, the station in exposed higher level's lever pin hole 102, when the height of expansion link and angle adjustment are complete, elongation locking set 300, covers the station in higher level's lever pin hole 102.
In the present embodiment, axially arranged, preferably along described subordinate bar 200 of some groups of described pin-and-hole unit, each group pin-and-hole unit interval certain distance, by arranging the length of distance, carrys out the length of adjustable telescopic rod, interval between pin-and-hole unit is the shortest, and the precision of regulation is the highest.
In the present embodiment, the quantity of described stop pin 400 is less than or equal to the quantity in higher level's lever pin hole 102;It is preferred that described higher level's lever pin hole 102, subordinate's lever pin hole 201 and stop pin 400 are in fan-shaped or trapezoidal, can effectively prevent stop pin 400 radially sliding along higher level's bar 100.
In the present embodiment, it is preferred that angle-adjusting mechanism also comprises a connection rope 500 between described bar, described connection rope 500 is sequentially connected in series described stop pin 400, the bottom 303 of locking set and connect rope 500 can dual restriction stop pin 400, it is possible to prevent loosening and falling of stop pin 400.In the alternative embodiment of the present invention, stop pin 400 can be fixed on locking set 300, integrated design.
In the present embodiment, as arranged n to 102(subordinate lever pin hole, higher level's lever pin hole 201), the adjustment relative to 0 ~ 360 ° of higher level's bar orientation of subordinate's bar can be realized, Adjustment precision is 180/n.102(subordinate lever pin hole, higher level's lever pin hole 201) quantity is the most, and the stress of stop pin 400, higher level's bar 100 and subordinate's bar 200 is the most uniform.
Concrete application: telescopic joint is in extended configuration at ordinary times, when needing to connect between bar or adjust subordinate's pole length, compress this telescopic joint, the higher level's lever pin hole making higher level's bar bottom is exposed,, circumferential direction axial along higher level's bar moves subordinate's bar and makes higher level's lever pin hole, the alignment of subordinate's lever pin hole, installing stop pin, after having regulated, drop-down locking set bottom is to cover higher level's lever pin hole.
Although present disclosure has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that the description above is not considered as limitation of the present invention.After those skilled in the art have read foregoing, multiple amendment and replacement for the present invention all will be apparent from.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. an attachment means for expansion link, for the connection of higher level's bar Yu subordinate's bar, it is characterised in that this attachment means comprises:
It is arranged on the locking set between described higher level's bar and subordinate's bar;
Angle-adjusting mechanism between bar, is arranged on the position that described higher level's bar is connected with subordinate bar;
Described locking set comprises upper end, middle part and the bottom being sequentially connected with, the upper end of described locking set is connected with described higher level's bar, the middle part of described locking set is telescopic joint, and the bottom of described locking set is socketed in the outside at the position that described higher level's bar is connected with subordinate bar.
2. attachment means as claimed in claim 1, it is characterised in that described higher level's bar and subordinate's bar are hollow circular tube.
3. attachment means as claimed in claim 2, it is characterised in that the internal diameter of described higher level's bar is more than the external diameter of subordinate's bar.
4. attachment means as claimed in claim 1, it is characterised in that the upper end of described locking set is provided with female thread, and described higher level's bar is provided with and puts, with locking, the external screw thread that end female thread is suitable.
5. attachment means as claimed in claim 1, it is characterised in that between described bar, angle-adjusting mechanism comprises: be arranged on described higher level's bar is some to higher level's lever pin hole, described some to higher level's lever pin hole along described higher level's bar circumferentially, axially symmetric;
The some groups of pin-and-hole unit being arranged on described subordinate bar, each group of pin-and-hole unit comprises some to subordinate's lever pin hole, described some to subordinate's lever pin hole along described subordinate bar circumferentially, axially symmetric;
Several stop pins, sequentially pass through subordinate's lever pin hole of higher level's lever pin hole and correspondence, fixing described higher level's bar and subordinate's bar.
6. attachment means as claimed in claim 5, it is characterised in that when described locking set extends, the lower limb of the bottom of described locking set is positioned at the lower section in described higher level's lever pin hole;When described locking set compresses, the top edge of the upper end of described locking set is positioned at the top in described higher level's lever pin hole.
7. attachment means as claimed in claim 5, it is characterised in that axially arranged along described subordinate bar of some groups of described pin-and-hole unit.
8. attachment means as claimed in claim 5, it is characterised in that the quantity of described stop pin is less than or equal to the quantity in higher level's lever pin hole.
9. attachment means as claimed in claim 5, it is characterised in that described higher level's lever pin hole, subordinate's lever pin hole and stop pin are fan-shaped or trapezoidal.
10. attachment means as claimed in claim 5, it is characterised in that between described bar, angle-adjusting mechanism also comprises a connection rope, and described connection rope is sequentially connected in series described stop pin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610501255.5A CN105927630B (en) | 2016-06-30 | 2016-06-30 | Connecting device of telescopic rod |
Applications Claiming Priority (1)
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CN201610501255.5A CN105927630B (en) | 2016-06-30 | 2016-06-30 | Connecting device of telescopic rod |
Publications (2)
Publication Number | Publication Date |
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CN105927630A true CN105927630A (en) | 2016-09-07 |
CN105927630B CN105927630B (en) | 2024-04-12 |
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CN201610501255.5A Active CN105927630B (en) | 2016-06-30 | 2016-06-30 | Connecting device of telescopic rod |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109442152A (en) * | 2018-12-14 | 2019-03-08 | 四川宏华石油设备有限公司 | A kind of support device |
CN109854592A (en) * | 2019-04-08 | 2019-06-07 | 东莞市勇迈五金制品有限公司 | A kind of hardware casing connection accessory |
CN113586436A (en) * | 2021-08-26 | 2021-11-02 | 黄秀芳 | Sectional type piston rod connecting structure of drilling pump |
US12042923B2 (en) | 2022-06-10 | 2024-07-23 | Honeywell International Inc. | Anti-pinch device for insulating implementations |
Citations (8)
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CN1112636A (en) * | 1994-04-26 | 1995-11-29 | 温拿国际罗耶特公司 | Security device |
CN2806927Y (en) * | 2005-06-20 | 2006-08-16 | 李习洪 | Buried gate valve on-off device |
CN203934774U (en) * | 2014-07-18 | 2014-11-12 | 杭州中艺实业有限公司 | A kind of column rotary locking structure |
CN104149561A (en) * | 2014-08-21 | 2014-11-19 | 株洲九方装备股份有限公司 | Derrick rig for connecting two vehicle bodies and split cut-through channel |
CN104390041A (en) * | 2014-11-18 | 2015-03-04 | 广东永泉阀门科技有限公司 | Underground valve connecting device |
CN104653979A (en) * | 2013-11-20 | 2015-05-27 | 西安派诺信息技术有限公司 | Computer monitor bracket with adjustable height |
CN204952254U (en) * | 2015-05-29 | 2016-01-13 | 朱德青 | Telescopic link protective sheath |
CN205244401U (en) * | 2015-12-25 | 2016-05-18 | 江西荣成机械制造有限公司 | Flexible cover of connecting rod |
-
2016
- 2016-06-30 CN CN201610501255.5A patent/CN105927630B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1112636A (en) * | 1994-04-26 | 1995-11-29 | 温拿国际罗耶特公司 | Security device |
CN2806927Y (en) * | 2005-06-20 | 2006-08-16 | 李习洪 | Buried gate valve on-off device |
CN104653979A (en) * | 2013-11-20 | 2015-05-27 | 西安派诺信息技术有限公司 | Computer monitor bracket with adjustable height |
CN203934774U (en) * | 2014-07-18 | 2014-11-12 | 杭州中艺实业有限公司 | A kind of column rotary locking structure |
CN104149561A (en) * | 2014-08-21 | 2014-11-19 | 株洲九方装备股份有限公司 | Derrick rig for connecting two vehicle bodies and split cut-through channel |
CN104390041A (en) * | 2014-11-18 | 2015-03-04 | 广东永泉阀门科技有限公司 | Underground valve connecting device |
CN204952254U (en) * | 2015-05-29 | 2016-01-13 | 朱德青 | Telescopic link protective sheath |
CN205244401U (en) * | 2015-12-25 | 2016-05-18 | 江西荣成机械制造有限公司 | Flexible cover of connecting rod |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109442152A (en) * | 2018-12-14 | 2019-03-08 | 四川宏华石油设备有限公司 | A kind of support device |
CN109854592A (en) * | 2019-04-08 | 2019-06-07 | 东莞市勇迈五金制品有限公司 | A kind of hardware casing connection accessory |
CN113586436A (en) * | 2021-08-26 | 2021-11-02 | 黄秀芳 | Sectional type piston rod connecting structure of drilling pump |
US12042923B2 (en) | 2022-06-10 | 2024-07-23 | Honeywell International Inc. | Anti-pinch device for insulating implementations |
Also Published As
Publication number | Publication date |
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CN105927630B (en) | 2024-04-12 |
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