CN213039178U - Rolling shutter sheet and rolling shutter door - Google Patents

Abstract

The utility model discloses a roll up curtain piece and rolling slats door, roll up the curtain piece including rolling up the curtain piece main part, the upper portion right side of rolling up the curtain piece main part is equipped with the couple, the lower part of rolling up the curtain piece main part is equipped with the lower couple with last couple looks adaptation, lower couple includes the vertical section of being connected with rolling up curtain piece main part, the opening setting of couple is on the right side of vertical section down, the left side that the lower part of rolling up the curtain piece main part is located the vertical section is equipped with first step, the left side of rolling up curtain piece main part upper portion is equipped with the second step with first step looks adaptation, and the interval of second step and last couple equals the thickness of. The utility model discloses the beneficial effect who gains: when the rolling slats door is connected into the rolling slats door, two adjacent rolling slats door are connected through last couple and last couple lock, and through the unsmooth cooperation of first step and second step between two adjacent rolling slats door, perpendicular section embedding second step and last couple between for the gap between two adjacent rolling slats door is little, and leakproofness when guaranteeing the rolling slats door to close is good.

Description

Rolling shutter sheet and rolling shutter door

Technical Field

The utility model relates to a technical field that ventilates, concretely relates to roll up curtain piece and rolling slats door.

Background

In the ventilation industry, a fan is an indispensable component, the fan plays a role in accelerating the circulation of fluid, in the existing ventilation place, a frame body is arranged at an air inlet of the fan, an opening and closing device is arranged in the frame body, and when the fan runs, the opening and closing device is opened to communicate the indoor space with the outdoor space, so that the circulation flow of indoor air and outdoor air is accelerated; when the fan is turned off, the switching device is turned on to ensure that the indoor space is not communicated with the outdoor space, and the switching device is required to have good tightness; in the prior art, the opening and closing device adopts a rolling door structure, but in the existing rolling door structure, after two adjacent rolling door sheets are buckled and connected, the gap is large, and the sealing performance is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide a rolling shutter, which comprises a rolling shutter main body and an upper hook, a lower hook, a first step and a second step arranged on the rolling shutter main body, wherein the rolling shutter has the advantage of good sealing performance.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a roll up curtain piece, includes and rolls up curtain piece main part, the upper portion right side of rolling up curtain piece main part is equipped with inside sunken last couple, the lower part of rolling up curtain piece main part is equipped with the lower couple of stretching to the evagination, go up the couple with couple looks adaptation down, down the couple include with roll up the vertical section that curtain piece main part is connected, the opening setting of couple is in down the right side of vertical section, the lower part of rolling up curtain piece main part is located the left side of vertical section is equipped with sunken first step, the left side of rolling up curtain piece main part upper portion is equipped with bellied second step, first step with second step looks adaptation, just the second step with the interval of going up the couple equals the thickness of vertical section.

As preferred, the inner wall of couple is the setting of U type down, the tip of going up the couple is equipped with the cylindroid, the cylindroid with the inner wall looks adaptation of couple down, through setting up like this, work as go up the couple with when couple lock is connected down, through go up the couple the cylindroid with the inner wall cooperation of couple down, down the couple can round the axis of cylindroid is relative go up the couple and rotate, be convenient for it is relative to couple down go up the couple and rotate.

As preferred, be equipped with the mousing-hook on the outer wall of couple down, the second step includes straight section and bending segment, the one end of straight section with roll up the curtain piece main part and connect, the other end of straight section with the one end of bending segment is connected, the other end of bending segment can with the mousing-hook is contradicted, through setting up like this, works as the couple is relative down go up the couple round when the axis of elliptical column is rotatory 90, the bending segment with the mousing-hook is contradicted, thereby has restricted the couple is relative down go up the couple further rotates, when the mousing-hook played limiting displacement, also avoid go up couple turned angle is too big and the mousing-hook.

Preferably, the mousing-hook comprises an outer side section and a limiting section which is abutted against the bending section, one end of the limiting section is connected with the lower hook, the other end of the limiting section is connected with one end of the outer side section, an included angle between the limiting section and the outer side section is larger than 90 degrees, and through the arrangement, when the lower hook rotates relative to the upper hook, collision interference between the outer side section and the bending section is avoided.

As preferred, the other end right side of bending segment reaches the outer wall left side of couple all is equipped with the fillet structure down, through setting up like this, works as the couple is relative down when going up the couple and rotating, bending segment with the fillet structure of couple mutually supports and plays the transition effect down, improves the couple is relative down go up couple pivoted flexibility, is further convenient for the couple is relative down go up the couple and rotate.

Preferably, a hollow cavity is arranged in the rolling shutter sheet main body, and the sound insulation and noise reduction effects and the heat insulation effects of the rolling shutter sheet are improved through the arrangement.

Preferably, the roll up curtain piece main part includes left side wall and right side wall, be equipped with the first strengthening rib of multi-disc in the cavity, the multi-disc first strengthening rib is followed the parallel interval in direction of height of rolling up the curtain piece main part sets up, just the both ends of first strengthening rib respectively with the left side wall reaches the right side wall is connected, through setting up like this, first strengthening rib can improve roll up the structural strength and the anti-wind ability of curtain piece main part.

Preferably, the left side wall reaches the inboard of right side wall all is equipped with many edges the second strengthening rib that the parallel interval of direction of height of rolling up curtain piece main part set up through setting up like this, further improves the structural strength and the anti-wind ability of rolling up curtain piece main part.

Preferably, the left side wall and the right side wall are provided with a plurality of grooves, the grooves correspond to the first reinforcing ribs one to one, and the rolling shutter sheet is connected with the reel through the self-tapping screws.

A second object of the utility model is to provide a rolling slats door, including the foretell book curtain piece of multi-disc, pass through between two adjacent book curtain pieces go up the couple with the couple lock is connected down.

Compared with the prior art, the utility model discloses profitable technological effect has been obtained:

when the rolling shutter doors are connected into the rolling shutter door, two adjacent rolling shutter doors are connected with the lower hook in a buckling mode through the upper hook, the two adjacent rolling shutter doors are matched with the second step in a concave-convex mode through the first step, the vertical section is embedded between the second step and the upper hook, gaps between the two adjacent rolling shutter doors are small, and therefore the rolling shutter door is guaranteed to be good in sealing performance when closed.

Drawings

Fig. 1 is a schematic axial view of the multiple rolling slats of the embodiment of the present invention;

fig. 2 is a schematic side view of a roller shutter door according to an embodiment of the present invention;

fig. 3 is a schematic cross-sectional view of a-a in fig. 1 according to an embodiment of the present invention.

Wherein, the technical characteristics that each reference numeral refers to are as follows:

1. a rolling shutter sheet main body; 1.1, left side wall; 1.2, right side wall; 1.3, bottom wall; 2. a lower hook; 2.1, a vertical section; 2.2, connecting sections; 2.3, an opening section; 3. an upper hook; 3.1, an elliptic cylinder; 3.2, a transverse section; 4. a first step; 5. a second step; 5.1, bending a section; 5.2, a straight section; 6. unhooking prevention; 6.1, a limiting section; 6.2, an outer section; 7. a first reinforcing rib; 8. a second reinforcing rib; 9. and (4) a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Referring to fig. 3, this embodiment discloses a roll up curtain piece, including rolling up curtain piece main part 1, the upper portion right side of rolling up curtain piece main part 1 is equipped with inside sunken last couple 3, the lower part of rolling up curtain piece main part 1 is equipped with the lower couple 2 that outwards protrudes, go up couple 3 and couple 2 looks adaptation down, couple 2 includes vertical section 2.1 of being connected with rolling up curtain piece main part 1 down, the opening setting of lower couple 2 is on vertical section 2.1's right side, the left side that the lower part of rolling up curtain piece main part 1 is located vertical section 2.1 is equipped with sunken first step 4, the left side of rolling up curtain piece main part 1 upper portion is equipped with bellied second step 5, first step 4 and second step 5 looks adaptation, and second step 5 equals the thickness of vertical section 2.1 with the interval of last couple 3, it can supply the couple groove of installing to form between last couple 3 and the second step 5 and the roll up curtain piece main part 1.

When connecting into the rolling slats door with the multi-disc book curtain piece, connect through last couple 3 and 2 locks of couple down between the two adjacent book curtain pieces, and through the unsmooth cooperation of first step 4 and second step 5 between the two adjacent book curtain pieces, vertical section 2.1 imbeds between second step 5 and the last couple 3, the gap before making two adjacent book curtain pieces is little, thereby the leakproofness is good when guaranteeing the rolling slats door closed, and when going up couple 3 and 2 locks of couple down and being connected, vertical section 2.1 can slide along the direction of height in the couple inslot, make the rolling slats door have certain elasticity.

Further, the inner wall of the lower hook 2 is arranged in a U shape, the end of the upper hook 3 is provided with an elliptic cylinder 3.1, the elliptic cylinder 3.1 is matched with the inner wall of the lower hook 2, specifically, the lower hook 2 further comprises a connecting section 2.2 and an opening section 2.3, one end of the vertical section 2.1 is connected with the rolling sheet main body 1, the other end of the vertical section 2.1 is connected with one end of the connecting section 2.2, the other end of the connecting section 2.2 is connected with one end of the opening section 2.3, a gap is formed between the other end of the opening section 2.3 and the rolling sheet main body 1 to form an opening, the vertical section 2.1 and the connecting section 2.2, the opening section 2.3 and the connecting section 2.2 are both arranged vertically, the vertical section 2.1, the connecting section 2.2 and the opening section 2.3 form the lower hook 2, the inner walls of the vertical section 2, the connecting section 2.2 and the opening section 2.3 form the inner wall of the lower hook 2, the upper hook 3 comprises the horizontal section 3.1, one end of the rolling sheet main, the other end of horizontal section 3.2 is connected with cylindroid 3.1's top, horizontal section 3.2 and cylindroid 3.1 form down couple 2, when last couple 3 is connected with 2 locks of couple down, cylindroid 3.1 conflicts and the inner wall of couple 2 down conflicts, cylindroid 3.1 through last couple 3 cooperates with the inner wall of couple 2 down, couple 2 can be round the axis of cylindroid 3.1 and go up couple 3 relatively and rotate down, make couple 2 go up couple 3 smoothly to rotate relatively down, be convenient for down couple 2 and go up couple 3 relatively and rotate, and when cylindroid 3.1 conflicts with the inner wall of couple 2 down, the other end of opening section 2.3 conflicts with horizontal section 3.2, improve the tensile strength of rolling slats door.

The outer wall of the lower hook 2 is provided with an anti-unhooking hook 6, the second step 5 comprises a straight section 5.2 and a bent section 5.1, one end of the straight section 5.2 is connected with the roller shutter sheet main body 1, the other end of the straight section 5.2 is connected with one end of the bent section 5.1, the straight section 5.2 is vertically connected with the bent section 5.1, and the other end of the bent section 5.1 can be abutted against the anti-unhooking hook 6; the distance between the second step 5 and the upper hook 3 specifically refers to the minimum distance between the bent section 5.1 and the elliptic cylinder 3.1, the surface of the elliptic cylinder 3.1 is a cambered surface, and the distance between the bent section 5.1 and the elliptic cylinder 3.1 has different values along the direction of the perpendicular line of the bent section 5.1, wherein the minimum distance between the bent section 5.1 and the elliptic cylinder 3.1 is equal to the thickness of the vertical section 2.1, when the upper hook 3 is buckled and connected with the lower hook 2, two sides of the vertical section 2.1 can respectively abut against the bent section 5.1 and the elliptic section, so that the rolling door has good tightness; and the lower hook 2 can rotate around the axis of the elliptic cylinder 3.1 relative to the upper hook 3 with directivity, and the lower hook 2 can only rotate clockwise relative to the upper hook 3 when seen from the direction of figure 2.

Mousing-hook 6 includes outside section 6.2 and with the spacing section 6.1 of buckling section 5.1 conflict, spacing section 6.1's one end is connected with couple 2 down, spacing section 6.1's the other end is connected with outside section 6.2's one end, particularly, spacing section 6.1's one end is connected with linkage segment 2.2's middle part, spacing section 6.1 constitutes mousing-hook 6 with outside section 6.2, and the contained angle between spacing section 6.1 and the outside section 6.2 is greater than 90, when couple 2 relatively goes up couple 3 and rotates, avoid outside section 6.2 and buckling section 5.1 to bump and interfere.

The other end right side of bending segment 5.1 and the outer wall left side of couple 2 down all are equipped with the fillet structure, and when couple 2 relatively gone up couple 3 and rotate, bending segment 5.1 and couple 2's fillet structure mutually supported and play the transition effect down, improve couple 2 relatively and go up couple 3 pivoted flexibility down, the couple 2 relatively goes up couple 3 and rotates under the further being convenient for.

The rolling shutter sheet main body 1 is internally provided with a hollow cavity, so that the sound insulation and noise reduction effects and the heat insulation effects of the rolling shutter sheet are improved.

The rolling shutter sheet main body 1 comprises a left side wall 1.1, a right side wall 1.2 and a bottom wall 1.3, one end of the bottom wall 1.3 is vertically connected with the bottom end of the left side wall 1.1, the other end of the bottom wall 1.3 is vertically connected with the bottom end of the right side wall 1.2, the middle part of the bottom wall 1.3 at one end of the vertical section 2.1 is vertically connected, a concave first step 4 is formed between the bottom wall 1.3 and the vertical section 2.1, one end of the straight section 5.2 is vertically connected with the top end of the left side wall 1.1, a convex second step 5 is formed among the left side wall 1.1, the straight section 5.2 and the bending section 5.1, one end of the transverse section 3.2 is vertically connected with the right side wall 1.2, a plurality of first reinforcing ribs 7 are arranged in the cavity, the plurality of first reinforcing ribs 7 are arranged in parallel along the height direction of the roller shutter sheet main body 1 at intervals, and the both ends of first strengthening rib 7 are connected with left lateral wall 1.1 and right lateral wall 1.2 respectively, and first strengthening rib 7 can improve the structural strength and the wind resistance ability of rolling up curtain piece main part 1.

The inboard of left side wall 1.1 and right side wall 1.2 all is equipped with many second strengthening ribs 8 that set up along the parallel interval of direction of height of rolling up curtain piece main part 1, further improves the structural strength and the anti-wind ability of rolling up curtain piece main part 1.

The outside of left side wall 1.1 and right side wall 1.2 is equipped with a plurality of recesses 9, and recess 9 and the setting of first strengthening rib 7 one-to-one, roll up the curtain piece and need be connected with the spool through self-tapping screw, because recess 9 sets up with first strengthening rib 7 one-to-one, the position of first strengthening rib 7 is being marked to recess 9, when avoiding adopting automatic screw to roll up the curtain piece and be connected with the spool, can avoid the position of first strengthening rib 7, also be convenient for twist self-tapping screw.

Referring to fig. 1-2, the embodiment of the utility model also discloses a rolling slats door, including the foretell book curtain piece of multi-disc, through last couple 3 and couple 2 locks down between the two adjacent book curtain pieces, refer to fig. 1, roll up and realize the lock connection in the couple 2 of the lower of the adjacent book curtain piece of couple 3 edge B direction embedding of curtain piece, this rolling slats door is because of including foretell book curtain piece, and including above-mentioned all beneficial effects of rolling up the curtain piece, no longer repeated description here.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.

Claims (10)

1. A rolling shutter sheet comprises a rolling shutter sheet main body (1), an upper hook (3) which is concave inwards is arranged on the right side of the upper part of the rolling shutter sheet main body (1), the lower part of the rolling shutter sheet main body (1) is provided with a lower hook (2) which protrudes outwards, the upper hook (3) is matched with the lower hook (2), characterized in that the lower hook (2) comprises a vertical section (2.1) connected with the rolling shutter sheet main body (1), the opening of the lower hook (2) is arranged at the right side of the vertical section (2.1), the lower part of the rolling shutter sheet main body (1) is provided with a sunken first step (4) at the left side of the vertical section (2.1), a raised second step (5) is arranged on the left side of the upper part of the rolling shutter sheet main body (1), the first step (4) is matched with the second step (5), and the distance between the second step (5) and the upper hook (3) is equal to the thickness of the vertical section (2.1).

2. The rolling screen sheet according to claim 1, characterized in that the inner wall of the lower hook (2) is provided in a U shape, the end of the upper hook (3) is provided with an elliptic cylinder (3.1), and the elliptic cylinder (3.1) is adapted to the inner wall of the lower hook (2).

3. The rolling shutter sheet according to claim 1 or 2, wherein an anti-unhooking hook (6) is provided on an outer wall of the lower hook (2), the second step (5) comprises a straight section (5.2) and a bent section (5.1), one end of the straight section (5.2) is connected with the rolling shutter sheet main body (1), the other end of the straight section (5.2) is connected with one end of the bent section (5.1), and the other end of the bent section (5.1) can be abutted against the anti-unhooking hook (6).

4. The rolling blind sheet according to claim 3, characterized in that the anti-drop hook (6) comprises an outer section (6.2) and a limiting section (6.1) abutting against the bending section (5.1), one end of the limiting section (6.1) is connected with the lower hook (2), the other end of the limiting section (6.1) is connected with one end of the outer section (6.2), and the included angle between the limiting section (6.1) and the outer section (6.2) is greater than 90 °.

5. The rolling blind sheet according to claim 3, characterized in that the right side of the other end of the bending section (5.1) and the left side of the outer wall of the lower hook (2) are provided with a round corner structure.

6. The rolling shutter sheet according to any one of claims 1-2 or 4-5, characterized in that a hollow cavity is provided in the rolling shutter sheet main body (1).

7. The rolling shutter sheet according to claim 6, wherein the rolling shutter sheet main body (1) comprises a left side wall (1.1) and a right side wall (1.2), a plurality of first reinforcing ribs (7) are arranged in the cavity, the first reinforcing ribs (7) are arranged along the height direction of the rolling shutter sheet main body (1) at intervals, and two ends of the first reinforcing ribs (7) are respectively connected with the left side wall (1.1) and the right side wall (1.2).

8. The rolling shutter sheet according to claim 7, characterized in that the inner sides of the left side wall (1.1) and the right side wall (1.2) are provided with a plurality of second reinforcing ribs (8) arranged in parallel and at intervals along the height direction of the rolling shutter sheet main body (1).

9. The rolling shutter sheet according to claim 7, wherein a plurality of grooves (9) are formed in the outer sides of the left side wall (1.1) and the right side wall (1.2), and the grooves (9) are arranged in one-to-one correspondence with the first reinforcing ribs (7).

10. A roller shutter door, characterized in that it comprises a plurality of roller shutter pieces as claimed in any one of claims 1 to 9, and two adjacent roller shutter pieces are connected with the lower hook (2) through the upper hook (3).

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