CN205315416U - Telescopic link locking structure - Google Patents
Telescopic link locking structure Download PDFInfo
- Publication number
- CN205315416U CN205315416U CN201620046634.5U CN201620046634U CN205315416U CN 205315416 U CN205315416 U CN 205315416U CN 201620046634 U CN201620046634 U CN 201620046634U CN 205315416 U CN205315416 U CN 205315416U
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- China
- Prior art keywords
- sheath
- movable axis
- fixing axle
- axle
- expansion link
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Abstract
The utility model relates to a telescopic link locking structure. It has solved the unreasonable scheduling problem of prior art design. This telescopic link locking structure includes intraductal and depression bar that can relative inner tube axial displacement including wearing to establish, front end at the inner tube is equipped with the fixed axle, front end at the depression bar is equipped with the loose axle that is located the fixed axle front end outside, be equipped with the sheath that is located between fixed axle and the loose axle in the tubule, a pot head of sheath is at the fixed axle front end, another pot head of sheath is in the loose axle rear end, be equipped with a plurality of radial holes and set up in every radial hole and can be along radial hole axial displacement's locking pearl on the sheath, when the loose axle constantly is close to the fixed axle fixed axle and loose axle can drive thereby outside removal of locking pearl make the relative inner tube axial fixity of tubule, be equipped with first spring between the one end of fixed axle and sheath, be equipped with the second spring between the other end of loose axle and sheath. The utility model has the advantages of: locking stability is good and the practicality is strong.
Description
Technical field
This utility model belongs to expansion link technical field, particularly relates to a kind of expansion link locking mechanism.
Background technology
Expansion link is widely used in various instrument. Such as: on cleaning appliance and clothes-horse etc. instrument. At present, existing expansion link its flexible after locking is unstable and poor reliability, there is very big potential safety hazard.
For this, for instance, Chinese patent discloses a kind of expansion link, application number [201020534997.6], includes a handle, an outer tube, an interior pipe, a telescopic component and an adjustment assembly, and wherein this outer tube is connected with each other with this handle rotationally; This interior pipe is located in this outer tube; This telescopic component includes a nut and a screw rod, and this nut is located at this interior pipe, and this screw rod is connected with each other with this handle; The junction of this handle and this interior pipe is located at by this adjustment assembly, in order to fixing or this handle that gets loose; Thus user only needs to rotate this handle, just can make this interior pipe relatively this outer tube projection or contraction, thus has comparatively firm structure and preferably operation ease.
Although above-mentioned scheme has above plurality of advantages, but, the technical problems such as the program exists above-mentioned technical problem, and structure is complicated and locking poor stability, impracticable.
Utility model content
The purpose of this utility model is for the problems referred to above, it is provided that a kind of design is more reasonable, locks good stability and practical expansion link locking mechanism.
For reaching above-mentioned purpose, this utility model have employed following technical proposal: this expansion link locking mechanism, expansion link include the interior pipe being fixed on the handle with sheathed on inner pipe and can internally pipe moves axially mutually tubule, this locking mechanism includes being located in interior pipe and can internally pipe moves axially mutually depression bar, it is provided with fixing axle in the front end of interior pipe, the movable axis of fixing axle front end outer side it is provided with in the front end of depression bar, fixing sheath between axle and movable axis it is provided with in tubule, one end of sheath is enclosed within fixing axle front end, the other end of sheath is enclosed within movable axis rear end, sheath is provided with some radial holes and the locking pearl being arranged in each radial hole and moving axially along radial hole, fixing axle described in when movable axis is constantly near fixing axle described locking pearl can be driven to be displaced outwardly with movable axis so that tubule internal pipe axial restraint mutually, the first spring it is provided with between fixing axle and one end of sheath, the second spring it is provided with between movable axis and the other end of sheath.
In this application, the structure owing to being provided with depression bar, fixing axle, movable axis and sheath and locking pearl is capable of the stability of locking, it is ensured that the safety in use procedure, practical and manipulate simple and convenient.Secondly as be provided with the first spring and the second spring is able to ensure that the promptness of reset, it is to avoid stuck or cancel the Retarder theory of locking, use relatively reliable and design is more reasonable.
In above-mentioned expansion link locking mechanism, being provided with first annular stop part in the middle part of described fixing axle, the first described spring one end acts on first annular stop part, and the other end acts on sheath respective end.
In above-mentioned expansion link locking mechanism, described movable axis front end is provided with the second annular stop part, and the second described spring one end acts on the second annular stop part, and the other end acts on sheath respective end.
In above-mentioned expansion link locking mechanism, described fixing axle front end is provided with the first annular conical surface, and the inwall being enclosed within fixing axle front end at sheath is provided with the second circular cone that can match with the described first annular conical surface; Described movable axis rear end is provided with the 3rd circular cone, is enclosed within movable axis rear end inwall at sheath and is provided with the fourth annular conical surface that can match with the 3rd described circular cone.
In above-mentioned expansion link locking mechanism, described depression bar front end is connected to the threaded rod running through fixing axle and sheath, and described movable axis is provided with mean for the screw that described threaded rod enters, and described threaded rod is threadeded with screw.
In above-mentioned expansion link locking mechanism, described depression bar front end sleeve is provided with the spring driving described movable axis near fixing axle, and one end of spring acts on fixing shaft rear end, and the other end acts on the block piece of depression bar front end.
In above-mentioned expansion link locking mechanism, described depression bar front end is provided with the elastic cylindrical pin for preventing described block piece from constantly moving to depression bar rear end.
In above-mentioned expansion link locking mechanism, described depression bar front end is additionally provided with the pin being located in threaded rod rear end.
Compared with prior art, the advantage of this expansion link locking mechanism is in that: 1, the structure owing to being provided with depression bar, fixing axle, movable axis and sheath and locking pearl is capable of the stability of locking, ensure that the safety in use procedure, practical and manipulate simple and convenient. Secondly as be provided with the first spring and the second spring is able to ensure that the promptness of reset, it is to avoid stuck or cancel the Retarder theory of locking, use relatively reliable and design is more reasonable. 2, simple in construction and be prone to processing and manufacturing, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation that this utility model provides.
Fig. 2 is the sectional structure schematic diagram that this utility model provides.
Fig. 3 is the detonation configuration schematic diagram that this utility model provides.
Fig. 4 is the A place structure for amplifying schematic diagram in Fig. 2.
Fig. 5 is the fixed axle structure schematic diagram that this utility model provides.
Fig. 6 is the movable axis structural representation that this utility model provides.
Fig. 7 is the elongation state structural representation that this utility model provides.
In figure, sheath 1, radial hole 1a, locking pearl 1b, the first spring 1c, the second spring 1d, the second circular cone 1e, fourth annular conical surface 1f, hands 11, interior pipe 12, tubule 13, fixed cover 13a, big pipe 14, inner sleeve 14a, overcoat 14b, trigger 15, depression bar 2, fixing axle 3, first annular stop part 31, the first annular conical surface 32, movable axis 4, second annular stop part the 41, the 3rd circular cone 42, threaded rod 6, spring 7, block piece 8, elastic cylindrical pin 9, pin 10.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As shown in figs. 1-7, this expansion link locking mechanism, expansion link include being fixed on hands the interior pipe 12 on 11 be set on interior pipe 12 and can internally pipe 12 moves axially mutually tubule 13, tubule 13 is arranged with rear end with hands the 11 fixing big pipes 14 being connected, it is provided with inner sleeve 14a in big pipe 14 front end and is set in the overcoat 14b of big pipe 14 front end, being provided with in tubule 13 rear end and can lean with described inner sleeve 14a thus preventing tubule 13 from departing from the fixed cover 13a of big pipe 14.
This locking mechanism includes being located in interior pipe 12 and can internally pipe 12 moves axially mutually depression bar 2, it is provided with fixing axle 3 in the front end of interior pipe 12, the movable axis 4 of fixing axle 3 front end outer side it is provided with in the front end of depression bar 2, fixing sheath 1 between axle 3 and movable axis 4 it is provided with in tubule 13, one end of sheath 1 is enclosed within fixing axle 3 front end, the other end of sheath 1 is enclosed within movable axis 4 rear end, sheath 1 is provided with some radial hole 1a and is arranged in each radial hole 1a and can along the radial hole 1a locking pearl 1b moved axially, fixing axle 3 described in when movable axis 4 is constantly near fixing axle 3 described locking pearl 1b can be driven to be displaced outwardly with movable axis 4 so that tubule 13 mutually internal pipe 12 axial restraint, the first spring 1c it is provided with between fixing axle 3 and one end of sheath 1, the second spring 1d it is provided with between the other end of movable axis 4 and sheath 1.
Prioritization scheme, is provided with first annular stop part 31 in the middle part of fixing axle 3, and first described spring 1c one end acts on first annular stop part 31, and the other end acts on sheath 1 respective end. Secondly, being provided with the second annular stop part 41 in movable axis 4 front end, second described spring 1d one end acts on the second annular stop part 41, and the other end acts on sheath 1 respective end.
It addition, be provided with the first annular conical surface 32 in fixing axle 3 front end, the inwall being enclosed within fixing axle 3 front end at sheath 1 is provided with the second circular cone 1e that can match with the described first annular conical surface 32; Described movable axis 4 rear end is provided with the 3rd circular cone 42, is enclosed within movable axis 4 rear end inwall at sheath 1 and is provided with the fourth annular conical surface 1f that can match with the 3rd described circular cone 42.
Further, being connected to the threaded rod 6 running through fixing axle 3 and sheath 1 in depression bar 2 front end, described movable axis 4 is provided with mean for the screw that described threaded rod 6 enters, described threaded rod 6 is threadeded with screw. Secondly, being provided with the spring 7 driving described movable axis 4 near fixing axle 3 at depression bar 2 front end sleeve, one end of spring 7 acts on fixing axle 3 rear end, and the other end acts on the block piece 8 of depression bar 2 front end. Block piece 8 is packing ring. Further, the elastic cylindrical pin 9 for preventing described block piece 8 from constantly moving it is provided with to depression bar 2 rear end in depression bar 2 front end.
Depression bar 2 front end is additionally provided with the pin 10 being located in threaded rod 6 rear end.
It addition, at hands being provided with the trigger 15 that described depression bar depression bar 2 can be promoted to move forward on 11.
The operation principle of the present embodiment is as follows:
When trigger 15 down on time, trigger 15 drives depression bar 2 toward sinciput, makes fixing distance between axle 3 and movable axis 4 elongate, and makes locking pearl 1b be in relaxation state, and locking pearl 1b and tubule 13 produce activity space, and tubule 13 can stretch flexibly. When trigger 15 is late for, rely on the elasticity of spring 7 self to make fixing axle 3 and movable axis 4 shrink and allow locking pearl 1b be moved radially outward, making locking pearl 1b and tubule 13 close-fitting, reach the purpose of locking.
Specific embodiment described herein is only to this utility model spirit explanation for example. Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount the scope that appended claims is defined.
Although more employ herein sheath 1, radial hole 1a, locking pearl 1b, the first spring 1c, the second spring 1d, the second circular cone 1e, fourth annular conical surface 1f, hands 11, interior pipe 12, tubule 13, fixed cover 13a, big pipe 14, inner sleeve 14a, overcoat 14b, trigger 15, depression bar 2, fixing axle 3, first annular stop part 31, the first annular conical surface 32, the term such as movable axis the 4, second annular stop part 41, the 3rd circular cone 42, threaded rod 6, spring 7, block piece 8, elastic cylindrical pin 9, pin 10, but be not precluded from using the probability of other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; It is all contrary with this utility model spirit for being construed as any additional restriction.
Claims (5)
1. an expansion link locking mechanism, expansion link includes being fixed on hands and the interior pipe (12) on (11) and is set on interior pipe (12) and can internally manage the tubule (13) that (12) move axially mutually, it is characterized in that, this locking mechanism includes being located in interior pipe (12) and internally managing the depression bar (2) that (12) move axially mutually, it is provided with fixing axle (3) in the front end of interior pipe (12), the movable axis (4) of fixing axle (3) front end outer side it is provided with in the front end of depression bar (2), fixing sheath (1) between axle (3) and movable axis (4) it is provided with in tubule (13), one end of sheath (1) is enclosed within fixing axle (3) front end, the other end of sheath (1) is enclosed within movable axis (4) rear end, sheath (1) is provided with some radial holes (1a) and the locking pearl (1b) being arranged in each radial hole (1a) and moving axially along radial hole (1a), fixing axle (3) described in when movable axis (4) is constantly near fixing axle (3) and described locking pearl (1b) can be driven to be displaced outwardly for movable axis (4) so that tubule (13) internally manages (12) axial restraint mutually, the first spring (1c) it is provided with between one end of fixing axle (3) and sheath (1), the second spring (1d) it is provided with between the other end of movable axis (4) and sheath (1).
2. expansion link locking mechanism according to claim 1, it is characterized in that, described fixing axle (3) middle part is provided with first annular stop part (31), described the first spring (1c) one end acts on first annular stop part (31), and the other end acts on sheath (1) respective end.
3. expansion link locking mechanism according to claim 1, it is characterized in that, described movable axis (4) front end is provided with the second annular stop part (41), described the second spring (1d) one end acts in the second annular stop part (41), and the other end acts on sheath (1) respective end.
4. expansion link locking mechanism according to claim 1, it is characterized in that, described fixing axle (3) front end is provided with the first annular conical surface (32), and the inwall being enclosed within fixing axle (3) front end at sheath (1) is provided with the second circular cone (1e) that can match with the described first annular conical surface (32); Described movable axis (4) rear end is provided with the 3rd circular cone (42), is enclosed within movable axis (4) rear end inwall at sheath (1) and is provided with the fourth annular conical surface (1f) that can match with the 3rd described circular cone (42).
5. expansion link locking mechanism according to claim 4, it is characterized in that, described depression bar (2) front end is connected to the threaded rod (6) running through fixing axle (3) and sheath (1), being provided with mean for the screw that described threaded rod (6) enters on described movable axis (4), described threaded rod (6) is threadeded with screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620046634.5U CN205315416U (en) | 2016-01-18 | 2016-01-18 | Telescopic link locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620046634.5U CN205315416U (en) | 2016-01-18 | 2016-01-18 | Telescopic link locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205315416U true CN205315416U (en) | 2016-06-15 |
Family
ID=56202811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620046634.5U Active CN205315416U (en) | 2016-01-18 | 2016-01-18 | Telescopic link locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205315416U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018098973A1 (en) * | 2016-11-30 | 2018-06-07 | 陈建丰 | Locking mechanism, support bar assembly and support apparatus |
-
2016
- 2016-01-18 CN CN201620046634.5U patent/CN205315416U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018098973A1 (en) * | 2016-11-30 | 2018-06-07 | 陈建丰 | Locking mechanism, support bar assembly and support apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Telescopic link locking structure Effective date of registration: 20171219 Granted publication date: 20160615 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jiaxing science and Technology Branch Pledgor: JIAXING JEHOON CLEANING PRODUCTS Co.,Ltd. Registration number: 2017330000307 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230825 Granted publication date: 20160615 Pledgee: Agricultural Bank of China Limited by Share Ltd. Jiaxing science and Technology Branch Pledgor: JIAXING JEHOON CLEANING PRODUCTS Co.,Ltd. Registration number: 2017330000307 |