CN202012544U - Luggage case and telescoping rod apparatus thereof - Google Patents
Luggage case and telescoping rod apparatus thereof Download PDFInfo
- Publication number
- CN202012544U CN202012544U CN2011201399241U CN201120139924U CN202012544U CN 202012544 U CN202012544 U CN 202012544U CN 2011201399241 U CN2011201399241 U CN 2011201399241U CN 201120139924 U CN201120139924 U CN 201120139924U CN 202012544 U CN202012544 U CN 202012544U
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- locking screw
- flexible rod
- outer bar
- rod device
- hole
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Abstract
The utility model discloses a telescoping rod apparatus, which comprises an outer rod and, an inner telescoping rod nested in the outer rod, and a locking screw used for locking the outer rod and the inner telescoping rod; a screw through hole matching with the locking screw is formed on the outer rod; the inner end of the locking screw is provided with a limiting component used for limiting the locking screw from screwing out along the screw through hole. the limiting component in the telescoping rod apparatus can limit the locking screw from screwing out when loosened, further avoids that the locking screw disengages from the telescoping rod apparatus and is lost. The utility model also discloses a luggage case including the above mentioned telescoping rod apparatus.
Description
Technical field
The utility model relates to field of mechanical technique, particularly a kind of flexible rod device.The utility model also relates to a kind of trunk that comprises above-mentioned flexible rod device.
Background technique
The flexible rod device is comparatively extensive in the application of field of mechanical technique, such as, the supporting frames of the telescopic lever of trunk, the telescopic supporting rod of sunshade/awning, measurement etc. all use the flexible rod device, can reduce the volume of single unit system, are convenient to transport and deposit.
When in said structure, using the flexible rod device, all there is the problem of location.The flexible rod device comprises outer bar and interior bar, when interior bar is retractable to desired location with respect to outer bar, needs fixing outer bar of positioning device and interior bar, makes overall structure be in stable status, can effectively use.
In the prior art, adopt locking screw to lock usually.Has certain clearance between the internal chamber wall of interior bar and outer bar, thereby realize the relative fore and aft motion between the two, the tube wall of outer bar is provided with the tapped hole adaptive with locking screw, locking screw inserts in this tapped hole, when interior bar is retractable to desired location, constantly tightens locking screw, the outer wall of bar in tightly conflicting in the inner of locking screw, under the effect of frictional force, interior bar can't continue along the inner chamber of outer bar to move, thus fixing interior bar and outer bar; Need to continue stretch or withdrawal in during bar, the derotation locking screw unclamps locking screw and interior bar, the Telescoping of bar in recovering.
Yet there is certain drawback in this kind lock mode, and when unclamping locking screw, locking screw is in loosening state, outer easily moving back, thus come off, lose on the self extending lever arrangement, influence integrally-built use.
Therefore, how to provide a kind of flexible rod device, the locking screw of its location is difficult for outer moving back and loose or dislocation, is those skilled in the art's technical issues that need to address.
The model utility content
A purpose of the present utility model provides a kind of flexible rod device, and the locking screw of this flexible rod device is under the effect of limit position part, and can not crossing is outside one's consideration moves back and break away from the flexible rod device.Another purpose of the present utility model provides a kind of trunk that comprises above-mentioned flexible rod device.
For reaching first purpose of the present utility model, the utility model provides a kind of flexible rod device, comprise mutually nested outer bar and interior flexible rod, and the locking screw of locking described outer bar and described interior flexible rod, described outer bar is provided with the tapped through hole adaptive with described locking screw, and the inner of described locking screw is provided with the limit position part that the described locking screw of restriction moves back outside described tapped through hole.
Preferably, described limit position part is a spacing end cap of being located at the inner of described locking screw, and described outer bar is provided with radially shoulder hole, and the big footpath section of described shoulder hole is near the inner chamber of described outer bar, and described tapped through hole is the path section of described shoulder hole; The diameter of described spacing end cap is greater than the diameter of described path section, and less than the diameter of described big footpath section.
Preferably, the outer end of described locking screw connects the locking handwheel, and the diameter of described locking handwheel is greater than the diameter of described path section, and described locking handwheel has the thread groove adaptive with described locking screw.
Preferably, the bar wall of described outer bar is provided with described shoulder hole coaxial, and the mounting hole that supplies described locking screw to insert.
Preferably, described outer bar has locking bed, and the outer bar wall of described locking bed and described outer bar is fixed, and described shoulder hole is located on the described locking bed; And on the outer bar wall of the described outer bar corresponding, be provided with the penetration hole that runs through with coaxial setting of described shoulder hole and the described locking screw of confession with described locking bed.
Preferably, the axial height of described spacing end cap is less than the axial height sum of described big footpath section and described penetration hole.
Preferably, described locking bed is fixedly welded on the outer bar wall of described outer bar.
The limit position part that this model utility provides the inner of locking screw in the flexible rod device to be provided with, limit position part can limit locking screw and cross to be outside one's consideration and move back unscrewing the back, and then avoid locking screw to break away from the flexible rod device and lose.
In a kind of concrete mode of execution, described limit position part is a spacing end cap of being located at the inner of described locking screw, described outer bar is provided with radially shoulder hole, the diameter of described spacing end cap is greater than the diameter of described path section, and diameter less than described big footpath section, after then unscrewing locking screw, locking screw can retreat in the section of big footpath in addition, when outside it continues, retreating to the step surface place of shoulder hole, be subjected to stopping of step surface and can't continue outer moving back, thereby avoid it to break away from the flexible rod device, this features simple structure is easily gone, and realizes easily on technology.
In another kind of embodiment, the outer end of described locking screw connects the locking handwheel, and described locking handwheel has the thread groove adaptive with described locking screw, and the diameter of locking handwheel is greater than the diameter of path section.When then installing, can insert locking screw and spacing end cap earlier, outer end with locking screw screws in the thread groove again, be threaded and be integral with the locking handwheel, this kind structure is convenient to realize the installation of locking screw, and the locking handwheel is convenient to application of force rotational lock screw rod, can also limit simultaneously locking screw when loosening, enter outside the inner chamber of bar.
For reaching another purpose of the present utility model, the utility model also provides a kind of trunk, comprises casing and the flexible rod device that lifts described casing, and described flexible rod device is above-mentioned each described flexible rod device.Because above-mentioned flexible rod device has above-mentioned technique effect, the trunk with this flexible rod device also has identical technique effect.
Description of drawings
Fig. 1 provides the mounting structure schematic representation of a kind of embodiment of flexible rod device for the utility model;
Fig. 2 is the structural representation after locking screw becomes flexible among Fig. 1;
Fig. 3 is the structural representation that lock bolt is locked outer bar and interior flexible rod among Fig. 1;
Fig. 4 is the transverse sectional view of Fig. 1;
Fig. 5 is the structural representation after locking screw becomes flexible among Fig. 4;
Fig. 6 provides the structural representation of the another kind of embodiment of flexible rod device for the utility model;
Fig. 7 provides the structural representation of another embodiment of flexible rod device for the utility model.
Embodiment
A core of the present utility model provides a kind of flexible rod device, and the locking screw of this flexible rod device is under the effect of limit position part, and can not crossing is outside one's consideration moves back and break away from the flexible rod device.Another core of the present utility model provides a kind of trunk that comprises above-mentioned flexible rod device.
In order to make those skilled in the art understand the technical solution of the utility model better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 1 to Fig. 5, Fig. 1 provides the mounting structure schematic representation of a kind of embodiment of flexible rod device for the utility model; Fig. 2 is the structural representation after locking screw becomes flexible among Fig. 1; Fig. 3 is the structural representation that lock bolt is locked outer bar and interior flexible rod among Fig. 1; Fig. 4 is the transverse sectional view of Fig. 1; Fig. 5 is the structural representation after locking screw becomes flexible among Fig. 4.
Flexible rod device provided by the utility model, comprise mutually nested outer bar 1 and interior flexible rod 2, obviously, outer bar 1 is a tubular body, for interior flexible rod 2 along its tube chamber axially make fore and aft motion, the structure of interior flexible rod 2 is also unrestricted, can be tubular body, also can be solid body, get final product according to actual user demand design; The locking screw 3 that also comprises outer bar 1 of locking and interior flexible rod 2, outer bar 1 is provided with the tapped through hole adaptive with locking screw 3, use for the ease of reality, the axis of tapped through hole is vertical with the bar wall of outer bar 1 usually, the i.e. radially extension of the cross section of the outer bar 1 in edge, when interior flexible rod 2 is retractable to desired location, continuous inward turning locking screw 3, the outer wall of flexible rod 2 in the inner of locking screw 3 pushes against, make in flexible rod 2 under frictional force action with outside bar 1 relative fixed.The inner of locking screw 3 is provided with the limit position part that restriction locking screw 3 moves back in the utility model outside tapped through hole, " move back outward " refer to loosening locking screw 3 after, locking screw 3 continues rotation along loosening rotation direction, withdraws from from the outside of the outside bar 1 of tapped through hole, promptly breaks away from the flexible rod device fully; Instigate the time spent locking screw 3 " the inner ", and it is near an end of outer bar 1 inner chamber, and correspondingly, " outer end " of locking screw 3 is the end of locking screw 3 away from outer bar 2 inner chambers in the following content.
Limit position part in this mode of execution is a spacing end cap 5 of being located at the inner of locking screw 3, and as shown in Figure 2, the inner of locking screw 3 has block.Outer bar 1 is provided with radially shoulder hole 111, radially refers to outer bar 1 cross section herein radially, and as shown in Figure 1, the big footpath section 1111 of shoulder hole 111 is near the inner chamber of outer bar 1, and tapped through hole is the path section 1112 of shoulder hole 111; The diameter of spacing end cap 5 is greater than the diameter of path section 1112, and less than the diameter of big footpath section 1111.When then needing to locate outer bar 1 and interior flexible rod 2, screw locking screw 3, be about to locking screw 3 and screw, the spacing end cap 5 and the outer wall of interior flexible rod 2 are conflicted towards the direction of interior flexible rod 2; When loosening interior flexible rod 2 and outer bar 1, derotation so that locking screw 3 is loosening away from interior flexible rod 2, because the diameter of the spacing end cap 5 of locking screw 3 is less than the diameter of big footpath section 1111 in the shoulder hole 111, then spacing end cap 5 can retreat in the big footpath section 1111 in addition, when outside spacing end cap 5 continues, retreating to the step surface place of shoulder hole 111, because the diameter of spacing end cap 5 is greater than the diameter of path section 1112, then spacing end cap 5 is subjected to keeping out of step surface, can't continue outer moving back, therefore, this structure can be avoided locking screw 3 to unscrew the back breaking away from the flexible rod device and lose.Spacing end cap 5 can be an integral structure with locking screw 3, also can be split-type structural, such as, spacing end cap 5 can be threaded with locking screw 3.
In the foregoing description, be fixed with locking bed 11 on the outer bar wall of outer bar 1, shoulder hole 111 is arranged on the locking bed 11; And the outer bar wall position corresponding with locking bed 11, be provided with the penetration hole 13 that runs through with coaxial setting of tapped through hole and confession locking screw 3, obviously, the diameter of spacing end cap 5 is also less than the diameter of penetration hole 13, satisfy its outer retreating in the big footpath section 1111 of shoulder hole 111, or the end face of spacing end cap 5 retreats to penetration hole 13 places outward.This scheme directly is not provided with shoulder hole 111 on the bar wall of bar 1 outside, but establishes locking bed 11 structures in addition, direct processing shoulder hole 111 structures on locking bed 11, and this kind design can simplified processing process.Among this embodiment, locking bed 11 is independent structural members, can be fixed on the bar wall of outer bar 1 by welding manner, and this Placement is simple, and can obtain good fixed effect, can certainly adopt conventional means of fixation such as bolt.
Certainly, also can directly process shoulder hole 111 on the bar wall of bar 1 outside, please refer to Fig. 6, Fig. 6 provides the structural representation of the another kind of embodiment of flexible rod device for the utility model.
Because the locking of locking screw 3 needs the tapped through hole of certain-length, then directly during processing shoulder hole 111, require the bar wall of outer bar 1 to possess certain thickness, as shown in Figure 6, comparatively speaking, after using locking bed 11, can adopt the thin outer bar 1 of bar wall, thus can save material, alleviate the flexible rod device weight, improve its practical ranges, control production cost effectively.
In fact, also can make outer bar 1 have thicker local bar wall, process shoulder hole 111 at this than thickness portion, can realize the purpose of this utility model equally, this kind scheme is than the technological scheme of locking bed 11, and the latter more helps the machine shaping of outer bar 1.
Further, in the various embodiments described above, preferably make the axial height sum of the axial height of spacing end cap 5 less than big footpath section 1111 and penetration hole 13, axially be the axial of shoulder hole 111 and penetration hole 13, after then locking screw 3 becomes flexible, spacing end cap 5 is can be fully outer to be retreated in penetration hole 13 or the big footpath section 1111, does not take the inner chamber of outer bar 1, in order to avoid the interior flexible rod 2 of the influence fore and aft motion in the bar 1 outside.
At the foregoing description, in fact, limit position part can be other structures also, please refer to Fig. 7, and Fig. 7 provides the structural representation of another embodiment of flexible rod device for the utility model.
This embodiment processes the boss 6 that radially extends along locking screw 3 in the inner of locking screw 3, the outer rim of boss 6 is to the distance of the shoulder hole 111 axis diameter greater than path section 1112 in the shoulder hole 111, then boss 6 can block step surface, can limit locking screw 3 outer moving back equally and come off.Further, also can expect, direct machining screw through hole on the outer bar 1, do not adopt shoulder hole 111 structures, the radial distance of limit position parts such as spacing end cap 5 or boss 6 is greater than the diameter of tapped through hole, when then moving back outside the locking screw 3, above-mentioned limit position part can block the interior bar wall of outer bar 1, prevent that locking screw 3 from coming off, certainly, this kind mode, can occupy certain intracavity space, use the structure of shoulder hole 111 to be easier to practical operation, flexible rod 2 is accurately flexible in being convenient to, and the space of adjusting is also bigger.
For above each embodiment, the outer end of locking screw 3 can connect locking handwheel 4, locking handwheel 4 is convenient to implement screwing of locking screw 3 and loosening, in addition, the diameter of locking handwheel 4 is greater than the diameter of the path section 1112 of shoulder hole 111, enter the inner chamber of outer bar 1 after also can avoiding locking screw 3 loosening, then under the effect of spacing end cap 5 and locking handwheel 4, locking screw 3 do not understand outer move back or in proceed to and outer bar 1 comes off.Process the thread groove 41 adaptive on the handwheel 4 in locking with locking screw 3, the notch of thread groove 41 is relative with shoulder hole 111, when being working state, the spacing end cap 5 of locking screw 3 one ends and locking handwheel 4 lay respectively at the both sides of outer bar 1, when locking screw 3 is installed, can earlier the locking screw 3 that connects spacing end cap 5 be inserted shoulder hole 111, the outer end that to lock handwheel 4 and locking screw 3 again screws, realize under this kind structure, the installation of locking screw 3, at this moment, locking screw 3, spacing end cap 5 and locking handwheel 4 become integral body.
On the basis of such scheme, can be further outside on the bar 1 bar wall, with the position of tapped through hole radial symmetric, the mounting hole 12 that inserts for locking screw 3 is set.When the locking screw 3 that is connected with spacing end cap 5 is fit into shoulder hole 111, restriction based on outer bar 1 and interior flexible rod 2 structures, locking screw 3 is not easy to insert shoulder hole 111 from the inner chamber of outer bar 1, after mounting hole 12 is set, as shown in Figure 4, locking screw 3 can be directly inserts in the inner chamber of outer bar 1 from mounting hole 12, because mounting hole 12 and shoulder hole 111 radial symmetric, be mounting hole 12 and shoulder hole 111 coaxial settings, thereby realized the installation of locking screw 3 easily.Certainly, the diameter of mounting hole 12 is greater than the diameter of locking screw 3 upper limit end caps 5, so that in the inner chamber of the outer bar 1 of locking screw 3 whole insertions in this scheme.
Except above-mentioned flexible rod device, the utility model also provides a kind of trunk, comprises casing and the flexible rod device that lifts casing, and the flexible rod device is the described flexible rod device of above-mentioned arbitrary embodiment.Because the flexible rod device in the foregoing description has above-mentioned technique effect, the trunk with this flexible rod device also has identical technique effect, does not give unnecessary details at this.
More than a kind of trunk provided by the utility model and flexible rod device thereof are described in detail.Used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. flexible rod device, comprise mutually nested outer bar (1) and interior flexible rod (2), and the locking screw (3) of locking described outer bar (1) and described interior flexible rod (2), described outer bar (1) is provided with and the adaptive tapped through hole of described locking screw (3), it is characterized in that the inner of described locking screw (3) is provided with the limit position part that the described locking screw of restriction (3) moves back outside described tapped through hole.
2. flexible rod device according to claim 1, it is characterized in that, described limit position part is a spacing end cap (5) of being located at the inner of described locking screw (3), described outer bar (1) is provided with radially shoulder hole (111), the big footpath section (1111) of described shoulder hole (111) is near the inner chamber of described outer bar (1), and described tapped through hole is the path section (1112) of described shoulder hole (111); The diameter of described spacing end cap (5) is greater than the diameter of described path section (1112), and less than the diameter of described big footpath section (1111).
3. flexible rod device according to claim 1 and 2, it is characterized in that, the outer end of described locking screw (3) connects locking handwheel (4), the diameter of described locking handwheel (4) is greater than the diameter of described path section (1112), and described locking handwheel (4) has the thread groove (41) adaptive with described locking screw (3).
4. flexible rod device according to claim 3 is characterized in that, the bar wall of described outer bar (1) is provided with described shoulder hole (111) coaxial, and the mounting hole (12) that supplies described locking screw (3) to insert.
5. flexible rod device according to claim 4 is characterized in that, described outer bar (1) has locking bed (11), and described locking bed (11) is fixed with the outer bar wall of described outer bar (1), and described shoulder hole (111) is located on the described locking bed (11); And on the outer bar wall of the described outer bar (1) corresponding, be provided with the penetration hole (13) that runs through with coaxial setting of described shoulder hole (111) and the described locking screw of confession (3) with described locking bed (11).
6. flexible rod device according to claim 5 is characterized in that, the axial height of described spacing end cap (5) is less than the axial height sum of described big footpath section (1111) and described penetration hole (13).
7. flexible rod device according to claim 6 is characterized in that, described locking bed (11) is fixedly welded on the outer bar wall of described outer bar (1).
8. a trunk comprises casing and the flexible rod device that lifts described casing, it is characterized in that described flexible rod device is each described flexible rod device of claim 1 to 7.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201399241U CN202012544U (en) | 2011-05-05 | 2011-05-05 | Luggage case and telescoping rod apparatus thereof |
| PCT/CN2011/078831 WO2012149712A1 (en) | 2011-05-05 | 2011-08-24 | Suitcase and telescopic rod assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201399241U CN202012544U (en) | 2011-05-05 | 2011-05-05 | Luggage case and telescoping rod apparatus thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202012544U true CN202012544U (en) | 2011-10-19 |
Family
ID=44783157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201399241U Expired - Lifetime CN202012544U (en) | 2011-05-05 | 2011-05-05 | Luggage case and telescoping rod apparatus thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202012544U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763963A (en) * | 2011-05-05 | 2012-11-07 | 浙江泰普森休闲用品有限公司 | Luggage case and its telescopic rod apparatus |
| CN105011514A (en) * | 2015-08-14 | 2015-11-04 | 黄志强 | Fixable suitcase |
| CN105355810A (en) * | 2015-11-27 | 2016-02-24 | 济南大学 | Movable storage battery |
-
2011
- 2011-05-05 CN CN2011201399241U patent/CN202012544U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102763963A (en) * | 2011-05-05 | 2012-11-07 | 浙江泰普森休闲用品有限公司 | Luggage case and its telescopic rod apparatus |
| CN105011514A (en) * | 2015-08-14 | 2015-11-04 | 黄志强 | Fixable suitcase |
| CN105355810A (en) * | 2015-11-27 | 2016-02-24 | 济南大学 | Movable storage battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 313299 North Lake East Street, Wu Kang Town, Deqing County, Huzhou, Zhejiang 860 Patentee after: Zhejiang taipusen Industrial Group Co., Ltd. Address before: 313200 North Lake East Street, Wu Kang Town, Deqing County, Huzhou, Zhejiang 860 Patentee before: Zhejiang Taipusen Leisure Products Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111019 |
|
| CX01 | Expiry of patent term |