CN211299430U - Telescopic rail and curtain - Google Patents
Telescopic rail and curtain Download PDFInfo
- Publication number
- CN211299430U CN211299430U CN201921469991.2U CN201921469991U CN211299430U CN 211299430 U CN211299430 U CN 211299430U CN 201921469991 U CN201921469991 U CN 201921469991U CN 211299430 U CN211299430 U CN 211299430U
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- rail
- sliding groove
- guide
- telescopic
- length direction
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Abstract
The utility model discloses a telescopic track and a curtain, wherein the telescopic track comprises a telescopic track, and comprises an outer track, a first guide rail inner cavity is arranged along the length direction, a first chute along the length direction is arranged at the bottom of the first guide rail inner cavity, the outer track forms first support edges at two sides of the first chute, and grooves along the length direction are arranged on the first support edges; the inner rail is inserted into the inner cavity of the first guide rail, a second guide rail inner cavity is arranged along the length direction of the inner rail, a second sliding groove along the length direction is formed in the bottom of the second guide rail inner cavity, second supporting edges are formed on two sides of the second sliding groove by the inner rail, and the second supporting edges are embedded in the grooves and form a flat rail surface together with the first supporting edges; the connecting piece is arranged at the connecting position of the outer rail and the inner rail and is provided with a guide inclined plane which is in transition connection with the first support edge and the second support edge. The curtain comprises the telescopic rail, and the hanging wheels can smoothly pass through the interfaces of the inner rail and the outer rail to realize smooth transition.
Description
Technical Field
The utility model is used for (window) curtain technical field especially relates to a flexible track and (window) curtain.
Background
The flexible track of current (window) curtain in the existing market realizes the smooth transition of hanging wheel through the difference in height of the interior outer track of step pulley compensation that uses the hanging wheel, but the step pulley of hanging wheel in the in-service use, because there is the difference in height in interior outer track, and orbital difference in height is uneven, can lead to the hanging wheel to pass through sometimes block and pause, in addition, current flexible track of (window) curtain still has the hanging wheel and produces bad phenomena such as block and pause with the track when receiving external force slope pulling.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a flexible track and (window) curtain, it can make smooth and easy the passing through inner rail of moving part and outer track interface, realizes smooth transition.
The utility model provides a technical scheme that its technical problem adopted is: a telescopic rail comprises
The outer rail is provided with a first guide rail inner cavity along the length direction, a first sliding groove along the length direction is formed in the bottom of the first guide rail inner cavity, first supporting edges are formed on two sides of the first sliding groove of the outer rail, and a groove along the length direction is formed in each first supporting edge;
the inner rail is inserted into the inner cavity of the first guide rail, a second guide rail inner cavity is arranged along the length direction of the inner rail, a second sliding groove along the length direction is formed in the bottom of the second guide rail inner cavity, second supporting edges are formed on two sides of the second sliding groove of the inner rail, and the second supporting edges are embedded in the grooves and form a flat rail surface together with the first supporting edges;
a moving member capable of moving along the track surface, an
The connecting piece is arranged at the connecting position of the outer rail and the inner rail and is provided with a guide inclined plane for transitionally connecting the first supporting edge and the second supporting edge.
Preferably, one end of the connecting piece is sleeved with the outer rail, the other end of the connecting piece is provided with a guide hole, the inner rail penetrates out of the guide hole, the bottom of the connecting piece is provided with a guide groove in transition connection with the first sliding groove and the second sliding groove, and the groove wall of the guide groove is provided with the guide inclined surface.
Preferably, the outer rail is provided with a limiting hole, and the connecting piece is provided with a bulge matched with the limiting hole.
Preferably, the outer rail is provided with a first blocking member at the outer end of the first sliding chute, and the inner rail is provided with a second blocking member at the outer end of the second sliding chute.
Preferably, the first blocking piece comprises a first end cap sleeved at the outer end of the outer rail, and the second blocking piece comprises a second end cap sleeved at the outer end of the inner rail.
Preferably, the connecting part is provided with a connecting ring.
Preferably, the moving member has a connecting portion passing through the first sliding groove and the second sliding groove, and the connecting portion is provided with a supporting portion capable of being engaged with the track surface.
Preferably, the support part includes rollers mounted on both sides of the connection part through an axle.
Preferably, the first blocking member and the second blocking member are provided with connecting rings.
A window covering comprising a telescopic rail as claimed in any preceding claim.
One of the above technical solutions has at least one of the following advantages or beneficial effects: interior track can stretch out and draw back in outer track, can carry out orbital length as required and adjust, satisfies multiple size demand, convenient to use. Meanwhile, the second supporting edge and the first supporting edge form a flat track surface, and the moving part can stably pass through the track surface, so that the telescopic track cannot be blocked and shaken up and down in the using process. And, be equipped with the connector in the hookup location of outer track and interior track, the direction inclined plane of connector can guide moving part to realize smooth and easy transition at hookup location, avoids moving part and track inner wall to produce the card pause.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a cross-sectional view of an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the outer rail of one embodiment shown in FIG. 1;
FIG. 3 is a cross-sectional view of the inner rail of one embodiment shown in FIG. 1;
FIG. 4 is a front view of one embodiment shown in FIG. 1;
FIG. 5 is a bottom view of the one embodiment shown in FIG. 1;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
fig. 7 is a perspective view of one embodiment shown in fig. 1.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the present invention, if there is a description of directions (up, down, left, right, front and back), it is only for convenience of description of the technical solution of the present invention, and it is not intended to indicate or imply that the technical features indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, "a plurality" means one or more, "a plurality" means two or more, "more than", "less than", "more than", and the like, which means that the number is not included; the terms "above", "below", "within" and the like are to be understood as including the number. In the description of the present invention, if there is any description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise explicitly defined, the terms "set," "mounted," "connected," and the like are to be understood in a broad sense, and may be directly connected or indirectly connected through an intermediate medium, for example; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The technical skill in the art can reasonably determine the specific meaning of the above words in the present invention by combining the specific contents of the technical solution.
Referring to fig. 1, the embodiment of the present invention provides a telescopic rail, including an outer rail 2, an inner rail 3, a moving component 1 and a connector 4, wherein, referring to fig. 2, the outer rail 2 is provided with a first guide rail inner cavity 21 along a length direction, a first sliding groove 22 along the length direction is provided at the bottom of the first guide rail inner cavity 21, the outer rail 2 forms a first support edge 23 at two sides of the first sliding groove 22, the first support edge 23 is provided with a groove 24 along the length direction, and the moving component 1 can move in the first sliding groove 22 along a rail surface.
Referring to fig. 1 and 3, the inner rail 3 is inserted into the first rail cavity 21, the inner rail 3 is provided with a second rail cavity 31 along the length direction, the bottom of the second rail cavity 31 is provided with a second sliding groove 32 along the length direction, the inner rail 3 forms second supporting edges 33 at two sides of the second sliding groove 32, the second supporting edges 33 are embedded in the grooves 24 and form a flat rail surface with the first supporting edges 23, the moving part 1 can move in the second sliding groove 32 along the rail surface and can stably pass through the joint of the outer rail and the inner rail without jumping, and the flat rail surface avoids the phenomena of jamming, deadlocking and the like of the moving part in the operation process.
Referring to fig. 6, the connecting member 4 is disposed at the connecting position of the outer rail 2 and the inner rail 3, and the connecting member 4 has a guiding inclined plane transitionally connecting the first supporting edge 23 and the second supporting edge 23, which can avoid collision of the moving member 1 with the rail side wall during the process of moving from the outer rail 2 to the inner rail 3, thereby playing an excessive role.
Referring to fig. 7, one end of the connecting member 4 is sleeved with the outer rail 2, the other end of the connecting member 4 is provided with a guide hole, the inner rail 3 penetrates through the guide hole, the bottom of the connecting member 4 is provided with a guide groove 41 in transitional connection with the first sliding groove 22 and the second sliding groove 32, a guide inclined surface is arranged on the groove wall of the guide groove 41, the guide groove can be used for the moving part 1 to pass through, and the length of the telescopic rail can be adjusted by adjusting the length of the inner rail 3 penetrating through the guide hole.
Referring to fig. 1 and 2, the outer rail 2 is provided with a limiting hole 25, and the coupling member 4 is provided with a protrusion 42 matched with the limiting hole 25, so that the outer rail 2 and the coupling member 4 can be fixedly connected, and the phenomenon that the coupling member 4 and the outer rail 2 are loosened and fall off is avoided.
In some embodiments, the limiting hole can be further formed in the connecting piece, and the outer rail is provided with a protrusion matched with the limiting hole, so that the connection between the outer rail and the connecting piece is more stable.
Referring to fig. 4, 5 and 7, the outer rail 2 is provided with a first blocking member 5 at the outer end of the first sliding groove 22, the inner rail 3 is provided with a second blocking member 6 at the outer end of the second sliding groove 32, and the first blocking member 5 and the second blocking member 6 can prevent the moving member 1 from sliding out of the outer rail 2 or the inner rail 3. First stop 5 cup joints with outer track 2, connect through the fastener, mode such as threaded connection is connected, the second stops 6 and cup joints with interior track 3, connect through the fastener, mode such as threaded connection is connected, it is preferred, see figure 4, 5, 7, first stop 5 is including the first end cap of cover in outer track 2 outer end, first end cap cover is in outer track 2 outer end, the second stops 6 and including the second end cap of cover in interior track 3 outer end, 3 outer ends of track including the second end cap cover, the installation is dismantled more conveniently, swiftly.
In some embodiments, referring to fig. 1, the connecting portion 11 is provided with a connecting ring 13, and the connecting ring 13 can be directly or indirectly connected with the curtain body.
Referring to fig. 1, the moving component 1 has a connecting portion 11 passing through the first sliding slot 22 and the second sliding slot 32, the connecting portion 11 is provided with a supporting portion 12 capable of cooperating with a track surface, the moving component 1 can roll or slide along the track surface, and the moving component 1 can be directly or indirectly connected with the curtain body. Preferably, referring to fig. 1, the supporting portion 12 includes rollers mounted on both sides of the connecting portion 11 through axles, and the moving member 1 forms a hanging wheel structure, and the rollers can reduce friction force and make the curtain body more easily and smoothly pulled up during use.
In some embodiments, referring to fig. 4, the first blocking member 5 and the second blocking member 6 are provided with a connecting ring 13, so that the two ends of the telescopic rail can be directly or indirectly connected with the curtain body, and the two ends of the curtain body can be conveniently fixed.
The embodiment of the utility model provides a (window) curtain is still provided, including the curtain body and any embodiment of the aforesaid flexible track, the curtain body links to each other with moving part 1 during the use, stimulates the curtain body during the use, and the curtain body drives moving part 1 and moves in flexible track to realize freely opening and shutting. The technical features and effects of the telescopic rail have been described in detail above, and are not described in detail.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (10)
1. A telescopic rail, characterized in that: comprises that
The outer rail is provided with a first guide rail inner cavity along the length direction, a first sliding groove along the length direction is formed in the bottom of the first guide rail inner cavity, first supporting edges are formed on two sides of the first sliding groove of the outer rail, and a groove along the length direction is formed in each first supporting edge;
the inner rail is inserted into the inner cavity of the first guide rail, a second guide rail inner cavity is arranged along the length direction of the inner rail, a second sliding groove along the length direction is formed in the bottom of the second guide rail inner cavity, second supporting edges are formed on two sides of the second sliding groove of the inner rail, and the second supporting edges are embedded in the grooves and form a flat rail surface together with the first supporting edges;
a moving member capable of moving along the track surface, an
The connecting piece is arranged at the connecting position of the outer rail and the inner rail and is provided with a guide inclined plane for transitionally connecting the first supporting edge and the second supporting edge.
2. The telescopic rail according to claim 1, wherein: one end of the connecting piece is sleeved with the outer rail, the other end of the connecting piece is provided with a guide hole, the inner rail penetrates out of the guide hole, the bottom of the connecting piece is provided with a guide groove in transition connection with the first sliding groove and the second sliding groove, and the groove wall of the guide groove is provided with the guide inclined plane.
3. The telescopic rail according to claim 2, wherein: the outer rail is provided with a limiting hole, and the connecting piece is provided with a bulge matched with the limiting hole.
4. The telescopic rail according to claim 1, wherein: the outer track is provided with a first blocking piece at the outer end of the first sliding groove, and the inner track is provided with a second blocking piece at the outer end of the second sliding groove.
5. The telescopic rail according to claim 4, wherein: the first blocking piece comprises a second end cap which is sleeved at the outer end of the outer rail and used for pulling the curtain body, and the curtain body drives the moving part 1 to extend to the outer end of the inner rail.
6. The telescopic rail according to claim 4, wherein: the first blocking piece and the second blocking piece are provided with connecting rings.
7. The telescopic rail according to claim 1, wherein: the moving component is provided with a connecting part which penetrates through the first sliding groove and the second sliding groove, and a supporting part which can be matched with the track surface is arranged on the connecting part.
8. The telescopic rail according to claim 7, wherein: the support part includes rollers installed at both sides of the connection part through wheel shafts.
9. The telescopic rail according to claim 7, wherein: the connecting part is provided with a connecting ring.
10. A window covering, comprising: a telescopic rail according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469991.2U CN211299430U (en) | 2019-09-03 | 2019-09-03 | Telescopic rail and curtain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921469991.2U CN211299430U (en) | 2019-09-03 | 2019-09-03 | Telescopic rail and curtain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211299430U true CN211299430U (en) | 2020-08-21 |
Family
ID=72076208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921469991.2U Active CN211299430U (en) | 2019-09-03 | 2019-09-03 | Telescopic rail and curtain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211299430U (en) |
-
2019
- 2019-09-03 CN CN201921469991.2U patent/CN211299430U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: A telescopic track and curtain Effective date of registration: 20220531 Granted publication date: 20200821 Pledgee: China Co. truction Bank Corp Foshan branch Pledgor: GUANGDONG CHUANGMING SUN-SHADE TECHNOLOGY Co.,Ltd. Registration number: Y2022980006775 |