CN211776782U - Lifting mechanism for shielding door leaf - Google Patents
Lifting mechanism for shielding door leaf Download PDFInfo
- Publication number
- CN211776782U CN211776782U CN201922202366.8U CN201922202366U CN211776782U CN 211776782 U CN211776782 U CN 211776782U CN 201922202366 U CN201922202366 U CN 201922202366U CN 211776782 U CN211776782 U CN 211776782U
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- lifting
- door leaf
- shielding door
- worm
- gear
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Abstract
The utility model discloses a shield door lifting mechanism, which comprises a guide track parallel to the top end of a shield door leaf, at least one pair of connecting frames hung on the guide track, and worm and gear lifting pairs respectively arranged between the at least one pair of connecting frames and the shield door leaf; wherein one end of the worm gear lifting pair, which is far away from the connecting frame, is connected with a lifting seat frame; the lifting seat frame is fixedly connected with the top end face of the shielding door leaf so that the lifting seat frame drives the shielding door leaf to synchronously do lifting motion relative to the door opening.
Description
Technical Field
The utility model relates to a shield door technical field especially relates to a shielding door leaf hoist mechanism.
Background
In the shielding door technology, in the matching process of the shielding door leaf and the shielding threshold, the shielding door leaf may need to be moved in the multi-dimensional direction, so that the shielding door leaf is convenient to open and close relative to the shielding threshold. For example, the shielding door leaf in the fully automatic suspended arc-shaped guide rail two-dimensional electromagnetic shielding door disclosed in the publication No. CN102661113B can move in two dimensions relative to the door frame, where the two-dimensional state includes a longitudinal x-axis displacement guide perpendicular to the door opening and a transverse y-axis displacement guide parallel to the plane of the door opening. For the shield door in practical use, for different use environments, it is difficult for the two-dimensional moving shield door leaf to meet the use requirement under the condition of a department, that is, compared with the two-dimensional moving shield door leaf, the movement of the third dimension needs to be increased, wherein the third dimension is even a z-axis angle relative to the x-axis and the y-axis directions, and the specific z-axis angle is even the lifting motion of the shield door leaf relative to the longitudinal direction of the door frame.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shielding door leaf hoist mechanism to the solution makes the shielding door leaf can be for the technical problem of door frame lifting motion.
The utility model discloses a shielding door leaf hoist mechanism is realized like this:
a screen door leaf lift mechanism comprising: the shielding door leaf comprises a guide rail parallel to the top end of the shielding door leaf, at least one pair of connecting frames hung on the guide rail, and worm and gear lifting pairs respectively arranged between the at least one pair of connecting frames and the shielding door leaf; wherein
One end of the worm gear lifting pair, which is far away from the connecting frame, is connected with a lifting seat frame;
the lifting seat frame is fixedly connected with the top end face of the shielding door leaf so that the lifting seat frame drives the shielding door leaf to synchronously do lifting motion relative to the door opening.
In a preferred embodiment of the present invention, the worm and gear lifting pair comprises a screw rod and a worm and gear reduction assembly adapted to drive the screw rod to rotate;
the lifting seat frame is connected with the movable end of the screw rod; the worm and gear speed reducing assembly is fixed on a supporting frame body, and the supporting frame body is fixedly connected with the connecting frame;
the worm and gear speed reducing assembly comprises a speed reducing motor and a worm and gear unit connected with the speed reducing motor.
The utility model discloses in the preferred embodiment, link to each other through synchronous connecting axle in order to realize the transmission to gear motor's output power between the worm gear lifting pair that every two adjacent link respectively correspond.
In a preferred embodiment of the present invention, the end of the supporting frame body for being fixedly connected to the connecting frame is provided with a transition sleeve, and the transition sleeve is fixed to a connecting shaft provided on the connecting frame.
In a preferred embodiment of the present invention, the end of the supporting frame body away from the connecting frame is further connected with a fixing plate, and the fixing plate is connected with the lifting seat frame through a guiding component.
In a preferred embodiment of the present invention, the guiding component comprises a movably sleeved lifting rod and a fixed rod; one end of the fixed rod is fixedly connected with the fixed plate, and one end of the lifting rod, which is far away from the fixed rod, is fixedly connected with the lifting seat frame.
By adopting the technical scheme, the utility model discloses following beneficial effect has: the utility model discloses a shielding door leaf hoist mechanism through the worm gear pair that goes up and down that is equipped with between link and shielding door leaf for shielding door leaf can realize just also making shielding door leaf be fore-and-aft elevating movement for the vertical elevating movement of link. The motion requirement of the shielding door leaf relative to the door opening in a three-dimensional state can be realized by combining the widely used shielding door leaf in the prior art and enabling the shielding door leaf to move in the vertical direction and the parallel direction relative to the door opening.
Drawings
Fig. 1 is a schematic view of a first viewing angle structure of a lifting mechanism for a shielding door leaf according to the present invention;
fig. 2 is a schematic view of a second view angle structure of the lifting mechanism of the shielding door leaf of the present invention.
In the figure: the device comprises a shielding door leaf 1, a guide rail 2, a connecting frame 3, a screw rod 4, a lifting seat frame 5, a walking trolley 6, a supporting frame body 7, a synchronous connecting shaft 8, a transition sleeve 9, a connecting shaft 10, a fixing plate 11, a lifting rod 12 and a fixing rod 14.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
Referring to fig. 1 and 2, the present embodiment provides a lifting mechanism for a shielding door, including: the shielding door leaf comprises a guide track 2 parallel to the top end of a shielding door leaf 1, at least one pair of connecting frames 3 suspended on the guide track 2, and worm and gear lifting pairs respectively arranged between the at least one pair of connecting frames 3 and the shielding door leaf 1; wherein, one end of the worm gear lifting pair far away from the connecting frame 3 is connected with a lifting seat frame 5; the lifting seat frame 5 is fixedly connected with the top end face of the shielding door leaf 1, so that the lifting seat frame 5 drives the shielding door leaf 1 to synchronously do lifting motion relative to the door opening.
It should be noted that, for the cooperation between the connecting frame 3 and the guiding track 2, for example, a longitudinal x-axis displacement guide rail perpendicular to the door opening and a transverse y-axis displacement guide rail parallel to the plane of the door opening in the fully automatic suspended arc-shaped guide rail two-dimensional electromagnetic shielding door disclosed in the publication No. CN102661113A may be adopted, so that the connecting frame 3 may perform a parallel-direction translation movement and a perpendicular-direction translation movement relative to the guiding track 2, and here, only the traveling trolley 6 suitable for traveling on the guiding track 2 may be connected to the connecting frame 3 to perform the parallel-direction translation movement and the perpendicular-direction translation movement relative to the guiding track 2. This embodiment is not absolutely limited.
For example, in the case of an alternative embodiment, the worm and gear lifting pair comprises a screw rod 4 and a worm and gear speed reducing assembly which is suitable for driving the screw rod 4 to rotate; the lifting seat frame 5 is connected with the movable end of the screw rod 4, and a bearing can be arranged between the movable end of the screw rod 4 and the lifting seat frame 5 for transition, so that the lifting seat frame 5 only can generate lifting motion relative to a door opening under the action of the screw rod 4, and the rotating motion along with the operation of the screw rod 4 can not be generated. In addition, the worm and gear speed reducing assembly is fixed on a supporting frame body 7, the supporting frame body 7 is fixedly connected with the connecting frame 3, and the screw rod 4 penetrates through the supporting frame body 7; the worm and gear speed reducing assembly comprises a speed reducing motor and a worm and gear unit 15 connected with the speed reducing motor 16; when the speed reducing motor drives the worm wheel and the worm to operate, the screw rod 4 does lifting motion relative to the supporting frame body 7. The lifting movement of the lifting seat frame 5 relative to the support frame body 7 is driven by the lifting movement of the screw rod 4, so that the lifting movement of the shielding door leaf 1 relative to the door opening is realized.
In order to achieve a stability of the screen door leaf 1 during the lifting movement, a plurality of connecting brackets 3, i.e. more than two, may be required for one screen door leaf 1. In consideration of simplifying the structure of the overall lifting mechanism, the two adjacent connecting frames 3 can be connected through the synchronous connecting shaft 8 between the worm and gear lifting pairs respectively corresponding to the worm and gear lifting pairs to realize the transmission of the output power of the speed reducing motor, so that the number of the speed reducing motors can be reduced.
For the specific matching condition of the support frame body 7 and the connecting frame 3, a transition sleeve 9 is arranged at the end part of the support frame body 7 for being fixedly connected with the connecting frame 3, the transition sleeve 9 is fixed with a connecting shaft 10 arranged on the connecting frame 3, the structure of the corresponding connecting frame 3 is a U-shaped structure, so that the transition sleeve 9 can be partially inserted into a concave section of the U-shaped structure, and then the connecting shaft 10 penetrates through the concave section to be fixedly connected with the connecting frame 3, so that the matching of the connecting frame 3 and the transition sleeve 9 is completed. The detachable assembly of the transition sleeve 9 and the connecting frame 3 can be realized by detaching the connecting shaft 10 and the connecting frame 3.
In addition, a fixing plate 11 is further connected to the end of the supporting frame body 7 far away from the connecting frame 3, the fixing plate 11 is optionally fixedly connected to the end of the supporting frame body 7 far away from the connecting frame 3 through screws, the fixing plate 11 is connected to the lifting seat frame 5 through a guide assembly, and the lead screw 4 penetrates through the fixing plate 11 so that the movable end of the lead screw 4 can be connected to the lifting seat frame 5. The specific guiding component comprises a lifting rod 12 and a fixed rod 14 which are movably sleeved; one end of the fixing rod 14 is fixedly connected with the fixing plate 11, and one end of the lifting rod 12 far away from the fixing rod 14 is fixedly connected with the lifting seat frame 5. The meaning that this embodiment set up the direction subassembly lies in realizing that lead screw 4 drives lifting seat frame 5 and carries out the in-process of elevating movement, can play the spacing effect of direction to lifting seat frame 5 lifting track.
In a further alternative embodiment, an elastic connecting cord 20 may also be provided between the fixed plate 11 and the lifting seat frame 5. The stability and firmness of the connection between the shielding door leaf 1 and the fixing plate 11 can be further improved by the structure of the connecting rope 20.
The specific implementation principle of the shield door lifting mechanism of the embodiment is as follows:
after the speed reducing motor starts to operate, the screw rod 4 drives the lifting seat frame 5 to move upwards or downwards relative to the supporting frame body 7 under the action of the worm gear unit, so that the lifting seat frame 5 synchronously drives the shielding door leaf 1 to realize the ascending or descending movement of the shielding door leaf 1 relative to the door opening. The motion requirement of the shielding door leaf 1 relative to the door opening in a three-dimensional state can be realized by combining the widely used shielding door leaf 1 in the prior art and moving the shielding door leaf 1 relative to the door opening in the vertical direction and the parallel direction.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only examples of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to 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, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the products of the present invention are used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the mechanism or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (6)
1. A shielding door leaf lifting mechanism, comprising: the shielding door leaf comprises a guide rail parallel to the top end of the shielding door leaf, at least one pair of connecting frames hung on the guide rail, and worm and gear lifting pairs respectively arranged between the at least one pair of connecting frames and the shielding door leaf; wherein
One end of the worm gear lifting pair, which is far away from the connecting frame, is connected with a lifting seat frame;
the lifting seat frame is fixedly connected with the top end face of the shielding door leaf so that the lifting seat frame drives the shielding door leaf to synchronously do lifting motion relative to the door opening.
2. The screen door leaf lifting mechanism according to claim 1, wherein the worm gear lifting pair comprises a lead screw and a worm gear reduction assembly adapted to drive the lead screw to rotate;
the lifting seat frame is connected with the movable end of the screw rod; the worm and gear speed reducing assembly is fixed on a supporting frame body, and the supporting frame body is fixedly connected with the connecting frame;
the worm and gear speed reducing assembly comprises a speed reducing motor and a worm and gear unit connected with the speed reducing motor.
3. The shielding door leaf lifting mechanism according to claim 2, wherein the worm and gear lifting pairs corresponding to each two adjacent connecting frames are connected by a synchronous connecting shaft to realize the transmission of the output power of the speed reduction motor.
4. The lifting mechanism for a shielding door leaf according to claim 2, wherein the end of the supporting frame body for being fixedly connected to the connecting frame is provided with a transition sleeve, and the transition sleeve is fixed to a connecting shaft provided on the connecting frame.
5. The screen door leaf lifting mechanism according to claim 2, characterized in that a fixing plate is further connected to the end of the support frame remote from the connecting frame, said fixing plate being connected to the lifting bracket via a guide assembly.
6. The shielding door leaf lifting mechanism according to claim 5, wherein the guiding assembly comprises a movably sleeved lifting rod and a fixed rod; one end of the fixed rod is fixedly connected with the fixed plate, and one end of the lifting rod, which is far away from the fixed rod, is fixedly connected with the lifting seat frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202366.8U CN211776782U (en) | 2019-12-10 | 2019-12-10 | Lifting mechanism for shielding door leaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922202366.8U CN211776782U (en) | 2019-12-10 | 2019-12-10 | Lifting mechanism for shielding door leaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211776782U true CN211776782U (en) | 2020-10-27 |
Family
ID=72974415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922202366.8U Active CN211776782U (en) | 2019-12-10 | 2019-12-10 | Lifting mechanism for shielding door leaf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211776782U (en) |
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2019
- 2019-12-10 CN CN201922202366.8U patent/CN211776782U/en active Active
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