CN204418999U - A kind of torsion spring dynamic structure - Google Patents
A kind of torsion spring dynamic structure Download PDFInfo
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- CN204418999U CN204418999U CN201520025493.4U CN201520025493U CN204418999U CN 204418999 U CN204418999 U CN 204418999U CN 201520025493 U CN201520025493 U CN 201520025493U CN 204418999 U CN204418999 U CN 204418999U
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- torsion spring
- housing
- interior pipe
- support member
- dynamic structure
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Abstract
The utility model discloses a kind of torsion spring dynamic structure, be housed in a housing, comprise one end to fix relative to housing, the torsion spring that the other end can rotate around own axes, it is characterized in that, also comprise one be plugged in described torsion spring or be set on described torsion spring for supporting the support member of torsion spring, and the interior pipe be set in outside described torsion spring, described support member is fixed relative to described housing stationary, and one end that described torsion spring is fixed on housing directly and housing interference engagement, one end that described torsion spring can rotate slides axially with described interior pipe and coordinates, and it is radially static relative to interior pipe.Torsion spring dynamic structure of the present utility model, special design torsion spring without support member but directly interference engagement be fixed on housing, support member is then fixed separately, when therefore, pipe rotates, torsion spring can not with housing, all can not send different sound between support member and housing.
Description
Technical field
The utility model relates to a kind of torsion spring dynamic structure.
Background technology
Torsion spring dynamic structure relies on the storage of torsion spring elastic force and release can realize diversified function, is therefore widely used.Wherein be applied in furling mechanism, the torsion of torsion spring can be utilized to realize folding and unfolding that is banded or sheet soft material, very convenient.The article shading curtain of such as rolling and abat vent, be namely placed in as Figure 1-3 in curtain casket 5 and realize folding and unfolding by torsion spring dynamic structure.Torsion spring dynamic structure wherein now mainly comprises for pipe 52 in the article shading curtain 1 that reels, with the torsion spring 54 be contained in interior pipe 52, in order to the beat supporting torsion spring 54 and control torsion spring 54 also installs intentionally iron 56 in the inside of torsion spring 54 usually, one end of heart iron 56 is plugged in curtain casket 5 capping 58 installing hole 582, one end of the other end and torsion spring 54 is connected, and the other end of torsion spring 54 is then connected by spring pearl 59 and interior pipe 52.Make heart iron 56 and interior pipe 52 relatively rotate during installation, torsion spring 54 can be made to twist, and then get final product storage power by this state of detent mechanism location torsion spring 54.Pull article shading curtain 1, interior pipe 52 transfer during use, and then article shading curtain 1 launches, when decontroling article shading curtain 1, namely article shading curtain 1 drives interior pipe 52 to rotate by torsion spring 54 and realizes retracting.Therefore, the folding and unfolding of article shading curtain 1 is realized owing to all being rotated by interior pipe 52, and interior pipe 52 is connected with one end of torsion spring 54, and the other end of torsion spring 54 be fixed on be inserted in capping 58 installing hole 582 heart iron 56 on, therefore, pipe 52 can shake heart iron 56 when rotating and itself and capping 58 collided then send different sound.
Summary of the invention
A kind of torsion spring dynamic structure, be housed in a housing, comprise one end to fix relative to housing, the torsion spring that the other end can rotate around own axes, it is characterized in that, also comprise one be plugged in described torsion spring or be set on described torsion spring for supporting the support member of torsion spring, and the interior pipe be set in outside described torsion spring, described support member is fixed relative to described housing stationary, and one end that described torsion spring is fixed on housing directly and housing interference engagement, one end that described torsion spring can rotate slides axially with described interior pipe and coordinates, and radially static relative to interior pipe.
Preferably, described torsion spring and interior pipe are limited in described housing and carry out relative movement.
Preferably, the respective end of described torsion spring is slidably matched by a fixing pearl and described interior pipe, described fixing pearl is fixedly installed relative to torsion spring, and close with interior pipe box establishing, and fixing pearl is circumferentially with at least one sliding part, and interior pipe be circumferentially with the sliding fit coordinated with described sliding part, described sliding part is projection or chute, and simultaneously described sliding fit is chute or projection accordingly.
Preferably, described fixing pearl be circumferentially with at least two sliding parts.
Preferably, described support member is pipe.
Preferably, described support member is plastic pipe.
The beneficial effect that the utility model reaches:
1. torsion spring dynamic structure of the present utility model, special design torsion spring without support member but directly interference engagement be fixed on housing, support member is then fixed separately, when therefore, pipe rotates, torsion spring can not with housing, all can not send different sound between support member and housing.
Torsion spring and interior pipe limit and carry out relative movement in the housing, then can not there is prior art center iron to stretch relative to interior pipe thus the situation that may recall and then cause dynamic structure to lose efficacy from capping installing hole one end, save design heart iron length ratio to ensure the trouble of effective practical function.
The respective end arranging torsion spring is slidably matched by fixing pearl and interior pipe, and be slidably matched particular by sliding part and sliding fit, then take into account being slidably matched and avoiding relatively rotating of circumference of the two by simple structure, namely the requirement that torsion spring follows the rotation of interior pipe is met, and during the increase of torsion spring rotating cycle, ensure that enough spaces make torsion spring stretch.Time particularly the circumference of the fixing pearl of design has two and a two or more sliding part, and to be uniformly advisable.
Support member can no longer adopt heart iron, and uses pipe instead or further for plastic pipe, greatly can alleviate the weight of whole torsion spring dynamic structure, is convenient to install, transport.
Accompanying drawing explanation
Fig. 1 is existing torsion spring dynamic structure partial schematic diagram;
Fig. 2 is the partial schematic diagram that existing torsion spring dynamic structure is arranged in curtain casket;
Fig. 3 is the elevation of existing torsion spring dynamic structure;
Fig. 4 be preferred embodiment of the present invention middle sleeve with capping coordinate schematic diagram;
Fig. 5 is the connection diagram of torsion spring and capping and fixing pearl in preferred embodiment of the present invention middle sleeve;
Fig. 6 is the enlarged diagram of torsion spring and capping junction in the preferred embodiment of the present invention;
Fig. 7 is the assembling schematic diagram of torsion spring and fixing pearl in the preferred embodiment of the present invention;
Fig. 8 is the connection diagram that in the preferred embodiment of the present invention, torsion spring passes through fixing pearl and interior pipe;
Fig. 9 is the sectional view of interior pipe in the preferred embodiment of the present invention;
Figure 10 preferred embodiment of the present invention installs partial schematic diagram in the housing;
Wherein:
1, article shading curtain;
2, housing, 22, capping, 222, capping axle, 224, axle sleeve, 4, torsion spring, 6, interior pipe, 62, projection, 7, fixing pearl, 72, chute, 8, sleeve pipe;
5, curtain casket, 52, interior pipe, 54, torsion spring, 56, heart iron, 58, capping, 582, installing hole, 59, spring pearl.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described.Following examples only for clearly the technical solution of the utility model being described, and can not limit protection domain of the present utility model with this.
As shown in figs. 4 through 10, a kind of torsion spring dynamic structure, is housed in a housing 2, comprise one end to fix relative to housing 2, the torsion spring 4 that the other end can rotate around own axes, also comprises one and is set in for supporting the support member of torsion spring 4 on torsion spring 4, and be also set in the interior pipe 6 outside torsion spring 4.Wherein support member is static relative to housing 2 fixing, and one end that torsion spring 4 is fixed on housing 2 directly and housing 2 interference engagement, and one end that torsion spring 4 can rotate and interior pipe 6 slide axially and coordinate, and radially static relative to interior pipe 6.
Concrete, housing 2 is lengthwise curtain casket, and side is provided with long and narrow opening for being housed in inner material pull-out.Curtain casket two ends are respectively capping, and torsion spring 4 dynamic structure is arranged between two cappings, and torsion spring 4 and interior pipe 6 are limited in housing 2 and carry out relative movement simultaneously.
One capping 22 is provided with capping axle 222, and one end of torsion spring 4 is fixed on capping 22 axle, and the outer sheathed support member of torsion spring 4, one end of support member is also fixed in this capping 22.Concrete, support member is the sleeve pipe 8 mated with torsion spring 4, and respective end is fixed on the outer sheathed axle sleeve 224 of capping axle 222.Because sleeve pipe 8 is rigidity, therefore can well support torsion spring 4.
The other end of torsion spring 4 fixes pearl 7, and is slidably matched with interior pipe 6 by fixing pearl 7, and another angle, one end and the fixing pearl 7 of interior pipe 6 are slidably matched, and the other end is rotating to be arranged on the capping axle (not shown) of another capping.
Fixing pearl 7 is specifically set in interior pipe 6, and fixing pearl 7 outer wall circumference is uniformly distributed three sliding parts, and corresponding three sliding fit coming to arrange to interior pipe 6 inwall circumference are slidably matched.In the present embodiment, sliding part is specially chute 72, and sliding fit is specially projection 62.
Torsion spring 4, sleeve pipe 8, fixing pearl 7 and interior pipe 6 are all coaxially arranged.
In the present embodiment, support member is specially plastic pipe.
Torsion spring 4 dynamic structure of the present embodiment is applied in the housing 2 of article shading curtain 1, and during installation, article shading curtain 1 reels on the inner tube 6, and torsion spring 4 and interior pipe 6 are relatively rotated, and gets final product storage power by this state of detent mechanism location torsion spring 4.Detent mechanism concrete example housing 2 sidepiece that the industry is general is in this way for stretching out the slotted opening of article shading curtain 1 and being arranged on the cooperation of locating piece of article shading curtain 1 free end.During use, pull out article shading curtain 1, interior pipe 6 transfer, and then article shading curtain 1 launches, when decontroling article shading curtain 1, namely article shading curtain 1 drives interior pipe 6 to rotate by torsion spring 4 and realizes retracting.In coiling process, the rotation of interior pipe 6 only can have influence on torsion spring 4, and torsion spring 4 and the capping axle 222 of capping 22 are interference engagement, and torsion spring 4 and capping 22 relative motion therefore can be avoided to produce different sound.
It should be noted that, although support member is pipe in the embodiment of the present invention, and preferred plastic pipe, being not limited to this, also can be other braced structures lighter than existing heart iron 56.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model know-why; can also make some improvement and distortion, these improve and distortion also should be considered as protection domain of the present utility model.
Claims (6)
1. a torsion spring dynamic structure, be housed in a housing, comprise one end to fix relative to housing, the torsion spring that the other end can rotate around own axes, it is characterized in that, also comprise one be plugged in described torsion spring or be set on described torsion spring for supporting the support member of torsion spring, and the interior pipe be set in outside described torsion spring, described support member is fixed relative to described housing stationary, and one end that described torsion spring is fixed on housing directly and housing interference engagement, one end that described torsion spring can rotate slides axially with described interior pipe and coordinates, and radially static relative to interior pipe.
2. a kind of torsion spring dynamic structure according to claim 1, is characterized in that, described torsion spring and interior pipe are limited in described housing and carry out relative movement.
3. a kind of torsion spring dynamic structure according to claim 2, it is characterized in that, the respective end of described torsion spring is slidably matched by a fixing pearl and described interior pipe, described fixing pearl is fixedly installed relative to torsion spring, and close with interior pipe box establishing, and fixing pearl is circumferentially with at least one sliding part, and interior pipe be circumferentially with the sliding fit coordinated with described sliding part, described sliding part is projection or chute, and described sliding fit is chute or projection accordingly simultaneously.
4. a kind of torsion spring dynamic structure according to claim 3, is characterized in that, described fixing pearl be circumferentially with at least two sliding parts.
5. a kind of torsion spring dynamic structure according to claim 1, is characterized in that, described support member is pipe.
6. a kind of torsion spring dynamic structure according to claim 5, is characterized in that, described support member is plastic pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025493.4U CN204418999U (en) | 2015-01-15 | 2015-01-15 | A kind of torsion spring dynamic structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520025493.4U CN204418999U (en) | 2015-01-15 | 2015-01-15 | A kind of torsion spring dynamic structure |
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| Publication Number | Publication Date |
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| CN204418999U true CN204418999U (en) | 2015-06-24 |
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| CN201520025493.4U Active CN204418999U (en) | 2015-01-15 | 2015-01-15 | A kind of torsion spring dynamic structure |
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| CN (1) | CN204418999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952536A (en) * | 2018-09-21 | 2018-12-07 | 杨军 | A kind of modified is from pretightning force rotating assembly |
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2015
- 2015-01-15 CN CN201520025493.4U patent/CN204418999U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952536A (en) * | 2018-09-21 | 2018-12-07 | 杨军 | A kind of modified is from pretightning force rotating assembly |
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