CN205806123U - A kind of expansion link - Google Patents
A kind of expansion link Download PDFInfo
- Publication number
- CN205806123U CN205806123U CN201620436546.6U CN201620436546U CN205806123U CN 205806123 U CN205806123 U CN 205806123U CN 201620436546 U CN201620436546 U CN 201620436546U CN 205806123 U CN205806123 U CN 205806123U
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- CN
- China
- Prior art keywords
- inner tube
- adaptor
- sidewall
- alignment pin
- expansion link
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- 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.)
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Abstract
The utility model discloses a kind of expansion link, relate to adjusting rod technical field.Described expansion link comprises outer tube, inner tube and adaptor;Described outer tube is hollow pipe;Said inner tube is hollow pipe, and the sidewall of said inner tube is provided with multiple spacing hole, described spacing hole on the sidewall of said inner tube along said inner tube axis arrange;Described adaptor be provided centrally with through hole, one end of described adaptor connects described outer tube, the other end connects said inner tube, and the sidewall of one end that described adaptor is connected with said inner tube has been radially arranged alignment pin, and one end of described alignment pin is inserted in the spacing hole of said inner tube;When extracting described alignment pin in the spacing hole in said inner tube, said inner tube can slide and stretch into the inside of described outer tube in described adaptor.The utility model has the advantage of: Telescopic rod structure of the present utility model is simple, and easy to operate, processing cost is low, and adjustable length space is big, it is possible to realize the flexible of distance.
Description
Technical field
This utility model relates to adjusting rod technical field, is specifically related to a kind of expansion link.
Background technology
Expansion link of the prior art typically uses the length of threaded form adjustable telescopic rod, or by multiple not
It is formed by connecting with the fixing bar of length.If by the length of screw thread adjustment telescopic bar, the screw thread length needing processing is much longer, adds
Work required precision is higher, cannot realize telescopic adjustment after threaded rod bending.The bar of regular length connects loaded down with trivial details, and work efficiency is relatively
Low.
Utility model content
The purpose of this utility model is to provide a kind of expansion link, to solve or at least to alleviate in the presence of background technology extremely
Problem at few one.
The technical solution of the utility model is: provides a kind of expansion link, comprises outer tube, inner tube and adaptor;Described outer tube
For hollow pipe;Said inner tube is hollow pipe, and the sidewall of said inner tube is provided with multiple spacing hole, and described spacing hole is in described
On the sidewall of pipe, the axis along said inner tube is arranged;Described adaptor be provided centrally with through hole, one end of described adaptor is even
Connecing described outer tube, the other end connects said inner tube, and the sidewall of one end that described adaptor is connected with said inner tube is radially arranged
Having alignment pin, one end of described alignment pin is inserted in the spacing hole of said inner tube;When extracting in the spacing hole in said inner tube
During described alignment pin, said inner tube can slide and stretch into the inside of described outer tube in described adaptor.
Preferably, on the sidewall of one end that described adaptor is connected with said inner tube, axis direction along described adaptor sets
It is equipped with open slot, described open slot both sides is provided with projection, described projection is provided with bolt connecting hole.
Preferably, one end sidewall that described adaptor is connected with said inner tube being additionally provided with boss, described boss is along institute
State the sidewall radially away from described adaptor of adaptor, described boss be provided centrally with dowel hole.
Preferably, described adaptor also comprises compression spring, block;Described alignment pin is set to syllogic Step Shaft, institute
The diameter stating Step Shaft is from one end to the other side sequentially reduced, and described compression spring is set in the middle shaft part of described alignment pin
On, described alignment pin is arranged in the dowel hole on described boss, and an end-journal of alignment pin minimum stretches out described alignment pin
Hole is connected with described block.
Preferably, the sidewall of one end that described adaptor is connected with described outer tube is provided with observation port, described observation port
For observing said inner tube position in described outer tube.
The utility model has the advantage of: Telescopic rod structure of the present utility model is simple, and easy to operate, processing cost is low,
Adjustable length space is big, it is possible to realize the flexible of distance.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the expansion link of this utility model one embodiment.
Fig. 2 is the schematic diagram of adaptor in the expansion link shown in Fig. 1.
Wherein, 1-outer tube, 2-inner tube, 3-adaptor, 31-boss, 33-observation port, 6-block, 32-is protruding, 34-opening
Groove.
Detailed description of the invention
Clearer, below in conjunction with this utility model for the purpose making this utility model implement, technical scheme and advantage
Accompanying drawing in embodiment, is further described in more detail the technical scheme in this utility model embodiment.In the accompanying drawings, ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Described reality
Executing example is a part of embodiment of this utility model rather than whole embodiments.The embodiment described below with reference to accompanying drawing
It is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.New based on this practicality
Embodiment in type, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of this utility model protection.Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", "front", "rear",
The orientation of the instruction such as "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of description this utility model and simplify description rather than instruction or hint indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The restriction of novel protected scope.
As shown in Figure 1 and Figure 2, a kind of expansion link, comprise outer tube 1, inner tube 2 and adaptor 3;Outer tube 1 is hollow pipe;Inner tube 2
For hollow pipe, the sidewall of inner tube 2 being provided with multiple spacing hole, spacing hole sets along the axis of inner tube 2 on the sidewall of inner tube 2
Put;Adaptor 3 be provided centrally with through hole, one end of adaptor 3 connects outer tube 1, and the other end connects inner tube 2, and adaptor 3 is with interior
Being radially arranged alignment pin on the sidewall of one end that pipe 2 connects, one end of alignment pin is inserted in the spacing hole of inner tube 2;When from institute
When extracting alignment pin in stating the spacing hole in inner tube 2, inner tube 2 can slide and stretch into the inside of outer tube 1 in adaptor 3.
Telescopic rod structure of the present utility model is simple, and easy to operate, processing cost is low, and adjustable length space is big, it is possible to real
Stretching of existing distance.
In the present embodiment, outer tube 1 is connected by rivet is fixing with adaptor 3, has an advantage in that, easy to use.Permissible
Being understood by, outer tube 1 can also be fastenedly connected by screw with adaptor 3, has an advantage in that, convenient dismounting, adaptor 3 damages
After be convenient for changing.
In the present embodiment, along the axis direction setting of adaptor 3 on the sidewall of one end that adaptor 3 is connected with inner tube 2
There is open slot 34, be provided with protruding 32 in open slot 34 both sides, on protruding 32, be provided with bolt connecting hole.Have an advantage in that, turn
It is easily deformed after joint 3 stress, inner tube 2 is clamped.Utilizing bolt to penetrate the through hole in projection, the other end utilizes nut screwing clamping.
In the present embodiment, nut selects wing nut, has an advantage in that, operator can directly tighten wing nut with hands, convenient
Locking inner tube 2.
It is understood that the through hole on the projected side wall of adaptor 3 can also be while arranging unthreaded hole, the other end arranges spiral shell
Pit, utilizes screw directly to tighten.
In the present embodiment, one end sidewall that adaptor 3 is connected with inner tube 2 being additionally provided with boss 31, boss 31 is along turning
The sidewall radially away from adaptor 3 of joint 3, boss 31 be provided centrally with dowel hole.Dowel hole is set to stepped hole,
The small bore end of described stepped hole is arranged far from one end of the sidewall of adaptor 3.Relative with boss 31 in the radial direction of adaptor 3
Sidewall locations is provided with installation through hole, and this installation through hole is used for installing alignment pin.
In the present embodiment, adaptor 3 also comprises compression spring, block 6;Alignment pin is set to syllogic Step Shaft, platform
The diameter of rank axle is from one end to the other side sequentially reduced, and compression spring is set on the middle shaft part of alignment pin, and alignment pin is installed
In dowel hole on boss 31, an end-journal of alignment pin minimum stretches out dowel hole with block 6 by rivet interlacement even
Connect.One end of compression spring is positioned by the shaft shoulder of alignment pin, and the other end is positioned by the stepped hole in boss 31, under normal condition,
The big end of alignment pin inserts in the spacing hole in inner tube 2, when needing the length adjusting expansion link, is positioned by block 6 pull-up
Pin, compression spring is compressed, and after inner tube 2 is adjusted in place, unclamps block 6, and alignment pin is bullet under the reset force effect of compression spring
Return the spacing hole in inner tube 2.
In the present embodiment, block 6 is set to step-like tube-in-tube structure, and small end and alignment pin, by rivet interlacement, are held greatly
For operator's pull-up block 6.Having an advantage in that, there is diameter difference in two ends, and beneficially operator uses.
In the present embodiment, the sidewall of one end that adaptor 3 is connected with outer tube 1 is provided with observation port 33, observation port 33
For observing the inner tube 2 position in outer tube 1.In the present embodiment, in the multiple spacing holes in multiple inner tubes 2, adjacent two
The axial distance of spacing hole is equal, and observation port 33 is adjacent with in inner tube 2 two with dowel hole axial distance on adaptor 3
The distance of dowel hole is equal.When the length of adjustable telescopic rod, when the observation port 33 on adaptor 3 observes in inner tube 2
Spacing hole time, now unclamp block 6, alignment pin inserts in another spacing hole in inner tube 2 just.Be conducive to quickly regulation
The length of expansion link.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, rather than it is limited
System.Although being described in detail this utility model with reference to previous embodiment, those of ordinary skill in the art should manage
Solve: the technical scheme described in foregoing embodiments still can be modified by it, or enters wherein portion of techniques feature
Row equivalent;And these amendments or replacement, do not make the essence of appropriate technical solution depart from each embodiment of this utility model
The spirit and scope of technical scheme.
Claims (5)
1. an expansion link, it is characterised in that: comprise outer tube (1), inner tube (2) and adaptor (3);
Described outer tube (1) is hollow pipe;
Said inner tube (2) is hollow pipe, and the sidewall of said inner tube (2) is provided with multiple spacing hole, and described spacing hole is described
On the sidewall of inner tube (2), the axis along said inner tube (2) is arranged;
Described adaptor (3) be provided centrally with through hole, one end of described adaptor (3) connects described outer tube (1), and the other end is even
Connect said inner tube (2), the sidewall of one end that described adaptor (3) is connected with said inner tube (2) is radially arranged alignment pin, institute
State in the spacing hole of one end insertion said inner tube (2) of alignment pin;Described fixed when extracting in the spacing hole in said inner tube (2)
During the pin of position, said inner tube (2) can slide and stretch into the inside of described outer tube (1) in described adaptor (3).
2. expansion link as claimed in claim 1, it is characterised in that: one end that described adaptor (3) is connected with said inner tube (2)
Sidewall on the axis direction of described adaptor (3) is provided with open slot (34), described open slot both sides are provided with projection
(32), described projection (32) is provided with bolt connecting hole.
3. expansion link as claimed in claim 2, it is characterised in that: one end that described adaptor (3) is connected with said inner tube (2)
Being additionally provided with boss (31) on sidewall, described boss (31) is along the side radially away from described adaptor (3) of described adaptor (3)
Wall, described boss (31) be provided centrally with dowel hole.
4. expansion link as claimed in claim 3, it is characterised in that: described adaptor (3) also comprises compression spring, block (6);
Described alignment pin is set to syllogic Step Shaft, and the diameter of described Step Shaft is from one end to the other side sequentially reduced, described compression
Spring housing is located on the middle shaft part of described alignment pin, and described alignment pin is arranged in the dowel hole on described boss (31),
One end-journal of described alignment pin minimum stretches out described dowel hole and is connected with described block (6).
5. expansion link as claimed in claim 4, it is characterised in that: one end that described adaptor (3) is connected with described outer tube (1)
Sidewall on be provided with observation port (33), described observation port (33) is used for the position observing said inner tube (2) in described outer tube (1)
Put.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620436546.6U CN205806123U (en) | 2016-05-13 | 2016-05-13 | A kind of expansion link |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620436546.6U CN205806123U (en) | 2016-05-13 | 2016-05-13 | A kind of expansion link |
Publications (1)
Publication Number | Publication Date |
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CN205806123U true CN205806123U (en) | 2016-12-14 |
Family
ID=57498871
Family Applications (1)
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CN201620436546.6U Active CN205806123U (en) | 2016-05-13 | 2016-05-13 | A kind of expansion link |
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CN (1) | CN205806123U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109956240A (en) * | 2017-12-26 | 2019-07-02 | 河南森源重工有限公司 | The localization method and positioning tool of sanitation cart lifting lug and sliding slot |
CN112654791A (en) * | 2018-09-18 | 2021-04-13 | 费德罗-莫格尔汽车零部件有限责任公司 | Tie rod assembly connector |
CN113048190A (en) * | 2021-03-31 | 2021-06-29 | 珠海市景晟包装材料有限公司 | Control system of blast drier |
-
2016
- 2016-05-13 CN CN201620436546.6U patent/CN205806123U/en active Active
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109956240A (en) * | 2017-12-26 | 2019-07-02 | 河南森源重工有限公司 | The localization method and positioning tool of sanitation cart lifting lug and sliding slot |
CN109956240B (en) * | 2017-12-26 | 2021-11-30 | 河南森源重工有限公司 | Method and tool for positioning lifting lug and sliding chute of sanitation vehicle |
CN112654791A (en) * | 2018-09-18 | 2021-04-13 | 费德罗-莫格尔汽车零部件有限责任公司 | Tie rod assembly connector |
US11649841B2 (en) | 2018-09-18 | 2023-05-16 | Federal-Mogul Motorparts Llc | Tie rod assembly union |
CN112654791B (en) * | 2018-09-18 | 2023-09-29 | 费德罗-莫格尔汽车零部件有限责任公司 | Pull rod assembly connector |
CN113048190A (en) * | 2021-03-31 | 2021-06-29 | 珠海市景晟包装材料有限公司 | Control system of blast drier |
CN113048190B (en) * | 2021-03-31 | 2022-08-05 | 珠海市景晟包装材料有限公司 | Control system of blast drier |
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