CN220353786U - Manual up-down push-pull rolling shutter door - Google Patents

Abstract

The utility model belongs to the field of rolling doors, and provides a manual up-down push-pull rolling door which comprises a rolling frame, a rolling mechanism and a rolling mechanism, wherein the rolling frame comprises a connecting piece and side plates arranged at two ends of the connecting piece, and further comprises a rolling curtain and a rolling and releasing assembly; the rolling curtain comprises a plurality of mutually hinged curtain sheets, guide posts are arranged at two ends of each curtain sheet, and guide grooves corresponding to the guide posts are arranged at the inner sides of the side plates; the rolling and unwinding assembly comprises a torsion shaft and a traction piece, wherein the torsion shaft is rotationally connected with the side plate, one end of the traction piece is wound on the torsion shaft, and the other end of the traction piece is connected with a curtain sheet which is positioned at the lowest position when the rolling curtain is unwound. According to the manual up-down push-pull rolling door, the guide posts are matched with the guide grooves, so that the rolling curtain is convenient to unreel from the rolling frame or roll into the rolling frame, the structure is simple and reliable, the rolling door is stopped at any position by balancing the torsion generated by the rotation of the torsion shaft and the gravity of the rolling curtain, noise generated when the rolling door is opened or rolled is reduced, and the use experience of a user is improved.

Description

Manual up-down push-pull rolling shutter door

Technical Field

The utility model relates to the field of rolling doors, in particular to a manual up-and-down push-pull rolling door.

Background

When the manual push-pull rolling door in the current market is used, the effect of stopping along with pulling cannot be achieved, the rolling door sheet is simply stopped by the friction force between the rolling door sheet and the reel core, the rolling door sheet slides downwards for a certain distance before stopping moving, the rolling door sheet cannot be stopped at any position, and potential safety hazards exist; and the rolling shutter door piece is stopped to move by means of the friction force between the rolling shutter door piece and the guide column core, and after the rolling shutter door piece is used for a long time, the rolling shutter door piece can not be stopped at any position any more due to excessive abrasion. In addition, because there is great friction between rolling slats door and the spool core, consequently produce harshness noise in rolling slats door roll up the in-process, influence user's use experience and feel.

The technical problem to be solved by the application is as follows: how to realize the stop of the rolling door at any position and reduce the noise in the use process of the rolling door.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide the manual up-and-down push-pull rolling door which can be stopped at any position and has the characteristic of low noise in the rolling and unreeling process.

The technical scheme adopted by the utility model is as follows: the manual up-down push-pull rolling door comprises a rolling frame, a rolling assembly and a rolling assembly, wherein the rolling frame comprises a connecting piece and side plates arranged at two ends of the connecting piece;

the rolling curtain comprises a plurality of mutually hinged curtain sheets, guide posts are arranged at two ends of each curtain sheet, and guide grooves corresponding to the guide posts are arranged at the inner sides of the side plates;

the rolling and unwinding assembly comprises a torsion shaft and a traction piece, wherein the torsion shaft is rotationally connected with the side plate, one end of the traction piece is wound on the torsion shaft, and the other end of the traction piece is connected with a curtain sheet which is positioned at the lowest position when the rolling curtain is unwound.

According to the manual up-and-down push-pull rolling door, the guide posts are matched with the guide grooves, so that the rolling curtain is convenient to unreel from the rolling frame or rolled into the rolling frame, the rolling and unreeling can be realized without being wound on the central shaft like a traditional rolling door, the structure is simpler, and the space of the rolling door can be saved; in addition, through setting up the torsion axle in the rolling frame, the torsion axle passes through the traction element with the curtain piece of rolling shutter when unreeling and is connected, and the torsion that produces through traction element drive torsion axle rotation when utilizing the rolling shutter to descend reaches equilibrium with the gravity of rolling shutter self, realizes that this manual push-and-pull rolling shutter door is stopped in optional position from top to bottom for the opening and the rolling of rolling shutter door are more convenient, can also reduce the noise that produces when rolling shutter door is opened or the rolling, improve user's use experience and feel.

In some embodiments, the roll screen further includes a first hinge provided at both ends of the curtain sheet, adjacent curtain sheets being hinged by the first hinge, and the guide post being connected to the first hinge.

Through setting up first articulated elements to each curtain piece realizes articulated each other through first articulated elements, that is to say that first articulated elements and curtain piece are split type structure, because articulated department often needs the motion, leads to wearing and tearing easily after long-term use, only need change first articulated elements alone after articulated department wearing and tearing, and need not to change whole curtain piece, is favorable to reducing cost of maintenance and degree of difficulty.

In some embodiments, the first hinge member further comprises an insertion block and a swivel, the insertion block is provided with a slot for accommodating the curtain sheets, the swivel and the guide post are respectively connected to two ends of the insertion block, and the guide post penetrates through the swivel of the adjacent first hinge member to enable the adjacent two curtain sheets to form hinge joint.

Through setting up swivel and guide post in the both ends of plug-in block, insert last piece first hinge's guide post in the swivel of next piece first hinge for two adjacent curtain forms articulated relation, on the one hand can simplify first hinge's structure, need not to be equipped with articulated connecting axle alone, on the other hand sets up the center pin of articulated department with the guide post, and the guide post is cylindric structure promptly, makes guide post and guide way be line contact like this, is favorable to reducing the friction between guide post and the guide way.

In some embodiments, the guide post is provided with an anti-drop block, a retainer ring corresponding to the anti-drop block is arranged in the swivel, and a notch for the anti-drop block to penetrate is arranged on the retainer ring.

Through setting up anticreep piece and retaining ring for guide post and swivel cooperation form articulated in-process, and the two can not separate easily, are favorable to improving the reliability of rolling up the curtain.

In some embodiments, the first hinge member further includes a wedging block disposed within the slot, an end of the wedging block adjacent to the opening of the slot being provided with a ramp that gradually increases from an end adjacent to the opening of the slot to an end remote from the opening of the slot.

The curtain sheet and the plug-in blocks can be connected more tightly through the wedging blocks, and the curtain sheet and the plug-in blocks are prevented from shaking after being matched in place.

In some embodiments, the roller blind further comprises a second hinge member provided at both ends of the lowermost curtain sheet when the roller blind is unreeled, a hinge shaft is provided on the second hinge member, the hinge shaft penetrates through the swivel of the adjacent first hinge member, and the traction member is connected with the second hinge member.

By arranging the second hinge part, the traction part can be conveniently connected with the curtain sheet at the lowest position when the rolling curtain is unreeled.

In some embodiments, a stopper is connected to the second hinge member, and a protrusion corresponding to the stopper is provided on the side plate.

Through dog and lug cooperation, can prevent that the rolling slats door from excessively rolling and leading to the damage.

In some embodiments, the torsion shaft comprises a mandrel, a rotary drum and a torsion spring, wherein two ends of the mandrel are in anti-rotation connection with the side plates, the rotary drum is sleeved with the mandrel and is in rotary connection with the mandrel, the traction piece is wound on the outer surface of the rotary drum, the torsion spring is arranged in the rotary drum and is sleeved on the outer surface of the mandrel, one end of the torsion spring is connected with the rotary drum, and the other end of the torsion spring is connected with the mandrel.

The torsion spring is driven to twist while the rotary drum rotates around the mandrel, so that the torsion shaft generates torsion, and the traction piece is used for providing required tension for controlling the rolling curtain to stop at any position.

In some embodiments, the guide grooves are spirally wound and lie in the same plane.

The guide way is spirally wound, so that the roller shutter can be conveniently rolled to a rolling frame, and the volume of the manual up-and-down push-and-pull roller shutter door can be reduced.

In some embodiments, the roll screen further comprises a handle connected to the lowermost sheet when the roll screen is unwound.

By arranging the handle, the user can conveniently pull down or push up the rolling door.

Compared with the prior art, the utility model has the following beneficial effects: the manual up-down push-pull rolling door is balanced by utilizing the torsion generated by the torsion shaft and the gravity generated by the descent of the rolling screen, so that the rolling door can be stopped at any position, and the manual up-down push-pull rolling door has the advantages of simple structure and reduced volume of the rolling door and noise generated during the working of the rolling door.

Drawings

FIG. 1 is a schematic view of a manual up and down push-pull rolling shutter door according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of another view of the manual up-and-down push-pull rolling shutter door of FIG. 1, wherein one side panel is not shown;

FIG. 3 is an exploded schematic view of the manual up and down push-pull rolling shutter door of FIG. 1;

FIG. 4 is a schematic view of the first hinge member shown in FIG. 2;

FIG. 5 is another view of the first hinge member shown in FIG. 4;

fig. 6 is a schematic view of the reel-up assembly shown in fig. 3.

In the figure: 100. manually pushing and pulling the rolling shutter door up and down; 10. a winding frame; 11. a connecting piece; 12. a side plate; 121. a guide groove; 122. a bump; 20. a roller shutter; 21. a curtain sheet; 22. a first hinge; 221. a plug block; 222. a guide post; 223. a swivel; 224. wedging blocks; 23. a second hinge; 231. a hinge shaft; 232. a stop block; 24. a handle; 30. a winding and unwinding assembly; 31. a torsion shaft; 311. a mandrel; 312. a rotating drum; 313. a torsion spring; 32. a traction member.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When the number of one element is referred to as being "plural," it may be any number of two or more. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, a manual up-down sliding roller shutter door 100 according to a preferred embodiment of the present utility model includes a rolling frame 10, a roller shutter 20, and a rolling and unrolling assembly 30. The winding frame 10 comprises a connecting piece 11 and side plates 12 arranged at two ends of the connecting piece 11; the rolling curtain 20 comprises a plurality of mutually hinged curtain sheets 21, guide posts 222 are arranged at two ends of each curtain sheet 21, guide grooves 121 corresponding to the guide posts 222 are arranged on the inner sides of the side plates 12, the guide grooves 121 are spirally wound and arranged on the same plane, the guide grooves 121 are spirally wound, the rolling curtain 20 can be conveniently rolled when being wound on the winding frame 10, and the volume of the manual up-and-down sliding rolling curtain door 100 can be reduced; the winding and unwinding assembly 30 includes a torsion shaft 31 and a traction member 32, the torsion shaft 31 is rotatably connected to the side plate 12, one end of the traction member 32 is wound around the torsion shaft 31, and the other end is connected to the lowermost curtain sheet 21 when the roll screen 20 is unwound. According to the manual up-and-down push-pull rolling door 100, the guide post 222 is matched with the guide groove 121, so that the rolling curtain 20 is convenient to unreel from the rolling frame 10 or roll up the rolling curtain 20 into the rolling frame 10, the rolling and unreeling can be realized without being wound on a central shaft like a traditional rolling door, the structure is simpler, and the space of the rolling door can be saved; in addition, through setting up torsion axle 31 in rolling frame 10, torsion axle 31 passes through traction element 32 with the curtain piece 21 of rolling slats 20 time unreeling lowest and is connected, and the torsion that produces through traction element 32 drive torsion axle 31 rotation when utilizing rolling slats 20 to descend reaches the equilibrium with rolling slats 20 self gravity, realizes that this manual push-and-pull rolling slats door 100 is stopped in optional position from top to bottom for the opening and the rolling of rolling slats door are more convenient, can also reduce the noise that produces when rolling slats door is opened or rolling, improve user's use experience and feel.

In this example, the curtain sheet 21 is made of glass, and in other embodiments, the curtain sheet 21 may be made of metal, or non-metal such as wood, bamboo, or jade.

In this embodiment, in order to facilitate the connection of the individual curtain pieces 21 into a roll-up door, the roll-up door 20 further includes first hinge members 22, the first hinge members 22 are disposed at both ends of the curtain pieces 21, the adjacent curtain pieces 21 are hinged by the first hinge members 22, and the guide posts 222 are connected to the first hinge members 22. Through setting up first articulated elements 22 to each curtain piece 21 realizes articulated each other through first articulated elements 22, that is to say first articulated elements 22 and curtain piece 21 are split type structure, because articulated department often needs the motion, leads to wearing and tearing easily after long-term use, only need change first articulated elements 22 alone after articulated department wearing and tearing, and need not to change whole curtain piece 21, is favorable to reducing cost of maintenance and degree of difficulty.

As shown in fig. 4, the first hinge member 22 further includes an inserting block 221 and a swivel 223, the inserting block 221 is provided with an inserting slot for accommodating the curtain sheet 21, the shape of the inserting slot is matched with the cross-sectional shape of the curtain sheet 21, the swivel 223 and the guide post 222 are respectively and fixedly connected to two ends of the inserting block 221, and the guide post 222 penetrates through the swivel 223 of the adjacent first hinge member 22 to enable the two adjacent curtain sheets 21 to form hinge. By arranging the swivel 223 and the guide post 222 at both ends of the insertion block 221, the guide post 222 of the previous first hinge member 22 is inserted into the swivel 223 of the next first hinge member 22, so that the adjacent two curtain sheets 21 form a hinged relationship, on one hand, the structure of the first hinge member 22 can be simplified, and a separate hinge connection shaft is not required, and on the other hand, the guide post 222 is arranged as a central shaft at the hinge position, that is, the guide post 222 is in a cylindrical structure, so that the guide post 222 is in line contact with the guide groove 121, thereby being beneficial to reducing friction between the guide post 222 and the guide groove 121. In other embodiments, the guide post 222 may be connected to the plug 221, and in addition, a rotating shaft is fixedly connected to the plug 221, that is, the guide post 222 only cooperates with the guide groove 121 to perform a guiding function, and the central axis of the hinge is borne by the rotating shaft. Preferably, the guide post 222 is provided with an anti-falling block (not shown), the swivel 223 is provided with a retainer ring (not shown) corresponding to the anti-falling block, and the retainer ring is provided with a notch (not shown) through which the anti-falling block passes. By arranging the anti-falling block and the check ring, the guide post 222 and the swivel 223 are not easily separated in the hinge process, which is beneficial to improving the reliability of the roller shutter 20.

As shown in fig. 5, in order to make the connection between the first hinge 22 and the curtain 21 more reliable, the first hinge 22 further includes a wedging block 224, the wedging block 224 is disposed in the slot, one end of the wedging block 224 near the opening of the slot is provided with a slope, and the slope is gradually raised from one end near the opening of the slot to one end far from the opening of the slot; further, the number of the wedging blocks 224 is plural, and each wedging block 224 is disposed at intervals along the length direction of the slot. The curtain piece 21 and the plug-in block 221 can be connected more tightly by arranging the wedging block 224, so that the curtain piece 21 and the plug-in block 221 are prevented from shaking after the plug-in block 221 is matched with the curtain piece 21 in place.

In an embodiment, the rolling shutter 20 further comprises a second hinge member 23, the second hinge member 23 is similar to the first hinge member 22 in structure, except that no swivel is provided on the second hinge member 22, the second hinge member 23 is provided at both ends of the lowermost curtain sheet 21 when the rolling shutter 20 is unreeled, a hinge shaft 231 is provided on the second hinge member 23, the hinge shaft 231 penetrates the swivel 223 of the adjacent first hinge member 22, and the traction member 32 is connected to the second hinge member 23. By providing the second hinge member 23, it is possible to facilitate the connection of the pulling member 32 to the lowermost curtain sheet 21 when the roll screen 20 is unreeled. Further, a wire slot through which the traction member 32 passes is provided on the second hinge member 23. To prevent the rolling door from being damaged due to excessive rolling, a stopper 232 is connected to the second hinge member 23, and a protrusion 122 corresponding to the stopper 232 is provided to the side plate 12.

As shown in fig. 6, the torsion shaft 31 includes a mandrel 311, a drum 312 and a torsion spring 313, two ends of the mandrel 311 are in rotation-stopping connection with the side plate 12, the drum 312 is sleeved with the mandrel 311 and is in rotation connection with the mandrel 311, the traction member 32 is wound on the outer surface of the drum 312, the torsion spring 313 is arranged in the drum 312 and is sleeved on the outer surface of the mandrel 311, one end of the torsion spring 313 is connected with the drum 312, and the other end is connected with the mandrel 311; further, in order to facilitate connection of the torsion spring 313 with the drum 312 and the mandrel 311, hooks are respectively provided at both ends of the torsion spring 313, and the hooks at both ends of the torsion spring 313 are respectively hung on the mandrel 311 and the drum 312. The torsion shaft 31 operates on the principle that: the torsion spring 313 is driven to twist while the drum 312 rotates around the mandrel 311, so that the torsion shaft 31 generates torsion force, and the traction piece 32 provides a required pulling force for controlling the roller shutter 20 to stop at any position. In order to prevent the torsion shaft 31 from providing a required torsion force due to the follow-up rotation of the spindle 311, an anti-rotation treatment should be performed between the spindle 311 and the side plate 12. The mandrel 311 can support the side plates 12 at both ends of the connecting member 11 in addition to the rotation center of the drum 312, so that the structure of the winding frame 10 is more stable and reliable.

Preferably, in order to equalize the force applied when the force-applied roll screen 20 is pulled down or pushed up, the traction member 32 is wound around both ends of the drum 312, and when the traction member 32 is one, one end of the traction member 32 is wound around one end of the drum 312, and the other end is wound around the other end of the drum 312 after being penetrated with the second hinge member 23; when the number of the traction members 32 is two, the two traction members 32 are wound around both ends of the drum 312, respectively, and then connected to the second hinge members 23 at both ends of the lowermost curtain sheet 21 when the roll screen 20 is unreeled, respectively. Alternatively, the traction members 32 are flexible cords such as nylon cords, steel cords, and the like.

In one embodiment, the roll screen 20 further includes a handle 24, the handle 24 being connected to the lowermost sheet 21 when the roll screen 20 is unwound. By providing the handle 24, the user can easily pull down or push up the roll-up door.

The manual up-and-down push-and-pull rolling door 100 balances the torsion generated by the torsion shaft 31 and the gravity generated by the descent of the rolling shutter 20, so that the rolling shutter door can be stopped at any position; when the rolling door needs to be lifted or pulled down, the balance between the torsion of the torsion shaft 31 and the gravity of the rolling door 20 is broken by manually providing an external force, and the rolling door has the advantages of simple and reliable structure and reduced volume of the rolling door and noise generated during the operation of the rolling door.

Finally, it should be noted that the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the foregoing embodiments, but may be modified or substituted for some of the features described in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The manual up-down push-pull rolling door (100) comprises a rolling frame (10), wherein the rolling frame (10) comprises a connecting piece (11) and side plates (12) arranged at two ends of the connecting piece (11), and is characterized by further comprising a rolling curtain (20) and a rolling and unreeling assembly (30);

the rolling curtain (20) comprises a plurality of mutually hinged curtain sheets (21), guide posts (222) are arranged at two ends of each curtain sheet (21), and guide grooves (121) corresponding to the guide posts (222) are formed in the inner sides of the side plates (12);

the rolling and unwinding assembly (30) comprises a torsion shaft (31) and a traction piece (32), wherein the torsion shaft (31) is rotationally connected with the side plate (12), one end of the traction piece (32) is wound on the torsion shaft (31), and the other end of the traction piece is connected with a curtain sheet (21) which is positioned at the lowest position when the rolling curtain (20) is unwound.

2. The manual up-down push-pull rolling shutter door (100) according to claim 1, wherein the rolling shutter (20) further comprises a first hinge member (22), the first hinge member (22) is disposed at both ends of the shutter pieces (21), adjacent shutter pieces (21) are hinged by the first hinge member (22), and the guide post (222) is connected to the first hinge member (22).

3. The manual up-down push-pull rolling shutter door (100) according to claim 2, wherein the first hinge member (22) further comprises an inserting block (221) and a swivel (223), the inserting block (221) is provided with a slot for accommodating the curtain sheets (21), the swivel (223) and a guide post (222) are respectively connected to two ends of the inserting block (221), and the guide post (222) penetrates through the swivel (223) of the adjacent first hinge member (22) so that two adjacent curtain sheets (21) form hinge joint.

4. The manual up-down push-pull rolling door (100) according to claim 3, wherein an anti-falling block is arranged on the guide post (222), a retainer ring corresponding to the anti-falling block is arranged in the swivel (223), and a notch for the anti-falling block to penetrate is arranged on the retainer ring.

5. A manual up and down sliding roller shutter (100) according to claim 3, characterized in that the first hinge member (22) further comprises a wedging block (224), the wedging block (224) being arranged in the slot, the wedging block (224) being provided with a bevel at one end near the opening of the slot, the bevel being gradually raised from one end near the opening of the slot to one end remote from the opening of the slot.

6. A manual up-down push-pull rolling shutter door (100) according to claim 3, wherein the rolling shutter (20) further comprises a second hinge member (23), the second hinge member (23) is arranged at two ends of a curtain sheet (21) which is positioned at the lowest position when the rolling shutter (20) is unreeled, a hinge shaft (231) is arranged on the second hinge member (23), the hinge shaft (231) penetrates a swivel (223) of an adjacent first hinge member (22), and the traction member (32) is connected with the second hinge member (23).

7. The manual up-down push-pull rolling door (100) according to claim 6, wherein the second hinge member (23) is connected with a stopper (232), and the side plate (12) is provided with a bump (122) corresponding to the stopper (232).

8. The manual up-down push-pull rolling door (100) according to claim 1, wherein the torsion shaft (31) comprises a mandrel (311), a rotary drum (312) and a torsion spring (313), two ends of the mandrel (311) are in rotation-stopping connection with the side plates (12), the rotary drum (312) is sleeved with the mandrel (311) and is in rotation connection with the mandrel (311), the traction piece (32) is wound on the outer surface of the rotary drum (312), the torsion spring (313) is arranged in the rotary drum (312) and is sleeved on the outer surface of the mandrel (311), one end of the torsion spring (313) is connected with the rotary drum (312), and the other end of the torsion spring (313) is connected with the mandrel (311).

9. The manual up-down push-pull rolling shutter door (100) according to claim 1, wherein the guide grooves (121) are spirally wound and located on the same plane.

10. The manual up-down push-pull rolling shutter door (100) according to claim 1, wherein the rolling shutter (20) further comprises a handle (24), the handle (24) being connected to a lowermost shutter piece (21) when the rolling shutter (20) is unreeled.