CN216741316U - Folding screen door and window - Google Patents

Abstract

The utility model discloses a folding screen door and a folding screen window. This folding screen door screen window includes the articulated net piece of adoption connecting rod more than two to adopt the straining beam as pulling the folding handle of net piece, convenient to use, just the upper and lower end of straining beam adopts wheel components and slides the removal that the subassembly realized on upper frame and lower frame respectively, connects simultaneously the net piece the connecting rod adopts the slider to realize the removal on upper frame and lower frame, and be spacing setting, reduces frictional force to effectively avoid droing at the in-process that slides, improve life. Moreover, the connecting rod connected with the net piece is provided with a connecting cavity, so that the assembly stability is strong; the net sheets are hinged with the side frames and the tension beams through the conversion connecting pieces, so that the net sheets with different sizes and types can be assembled, and the universality is high.

Description

Folding screen door and window

Technical Field

The utility model relates to the technical field of screen doors and screen windows, in particular to a folding screen door and screen window.

Background

Folding screen door screen window is the product for door and window that has risen in recent years, and the mainstream includes two kinds of styles of plain net and wave net in the market at present, and all adopts folding mode, expandes back whole closed door and window promptly, reaches separation mosquito and protective action, packs up then through folding mode, makes door and window open.

However, the current folding screen door screen window has more defects. The flat-screen type folding screen door and window screen is complex in working and high in cost, the adopted meshes are standard in size, the size needs to be calculated after the meshes are completely flat, and the meshes with different sizes are difficult to be matched and assembled; and in the folding screen door screen window of wave net formula, its net piece reciprocates at folding in-process and is difficult to the synchronization, and easy slope leads to blocking and dunking and net piece slope, and the lower extreme slip accessory of net piece drops easily simultaneously, and adopts glue to carry out between the net piece articulated elements rather than being connected of accessory, and the steadiness is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a folding screen door and window screen, which aims to solve the problems of high cost, poor universality, easy blocking and poor stability of the existing screen door and window screen.

The purpose of the utility model is realized by the following technical scheme.

A folding screen door and window screen comprises more than two pieces of net sheets; more than two meshes are hinged with each other by adopting a connecting rod and can be mutually folded along the connecting rod; the connecting rods comprise movable connecting rods and limiting connecting rods which are distributed at intervals by the meshes; the upper end and the lower end of the limiting connecting rod are respectively limited on the upper frame and the lower frame and can respectively move along the upper frame and the lower frame;

among the more than two meshes, the first end of the first mesh is hinged with the first side frame, and the second end of the last mesh is hinged with a straining beam; and the upper end and the lower end of the tension beam can respectively move along the upper frame and the lower frame.

In a preferred embodiment, the connecting rod has at least two first hinge grooves, and the mesh has hinge shafts at both the first end and the second end, the hinge shafts being adapted to hinge in the first hinge grooves.

In a preferred embodiment, the upper end and the lower end of the limiting connecting rod are both provided with sliding parts, and the sliding parts are arranged at the upper end and the lower end of the limiting connecting rod through sliding part fixing seats; the upper frame and the lower frame are respectively provided with a sliding groove matched with the sliding piece, and the sliding piece can slide along the sliding grooves; the sliding member includes a sliding collision bead or a sliding cylinder.

In a more preferred embodiment, the upper frame has a first limiting cavity, the sliding groove is disposed in the first limiting cavity, and the sliding member fixing seat is limited in the first limiting cavity.

In a more preferred embodiment, the limiting connecting rod is provided with a connecting cavity, and the ball-bumping fixing seat is connected to the upper end and the lower end of the limiting connecting rod through a screw and the connecting cavity in a locking manner.

In a preferred embodiment, the upper end and the lower end of the mesh are provided with mesh decorative covers.

In a preferred embodiment, the first web is hingedly connected to the first side frame by a transfer connector that is removably attached to the first side frame; and/or the last mesh sheet is hinged with the straining beam through a conversion connecting piece, and the conversion connecting piece is detachably assembled on the straining beam;

the conversion connecting piece is provided with a second hinge groove, the meshes are provided with hinge shafts, and the hinge shafts of the meshes can be hinged in the second hinge groove in a matching mode.

In a preferred embodiment, the upper end of the tension beam is provided with a roller assembly, and the upper end of the tension beam can slide along the upper frame through the roller assembly;

the roller assembly comprises a roller and an upper connecting seat, the upper connecting seat is fixedly connected to the upper end of the straining beam, the roller is arranged on the upper connecting seat in a free rotating mode, and a roller guide rail capable of accommodating the roller to slide is arranged on the upper frame.

In a more preferred embodiment, the roller is connected and arranged on the upper connecting seat through a sheet metal structure; the upper frame is provided with a second limiting cavity, the roller guide rail is arranged in the second limiting cavity, a notch capable of allowing a metal plate structure to pass through is formed in the second limiting cavity, and the roller is limited in the second limiting cavity.

In a preferred embodiment, the lower end of the tension beam is provided with a sliding assembly, and the lower end of the tension beam can slide and move along the lower frame through the sliding assembly;

the sliding assembly comprises a sliding piece and a lower connecting seat, the lower connecting seat is fixedly connected to the lower end of the tie beam, the sliding piece is assembled on the lower connecting seat, and a sliding guide rail capable of accommodating the sliding piece to slide is arranged on the lower frame; the sliding element comprises a ball or a cylinder with a spherical head.

In a more preferred embodiment, the lower connecting seat includes a first seat body and a second seat body, the first seat body and the second seat body are connected with each other and are not in the same plane, and the first seat body and the second seat body are both provided with the sliding member; the lower frame is provided with a first cavity and a second cavity which are matched with the first seat body and the second seat body, the first seat body and the second seat body are assembled in the first cavity and the second cavity, and the first cavity and the second cavity are internally provided with the sliding guide rails which can accommodate the sliding of the sliding piece.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

the folding screen door and window screen adopts the pull beam as the handle for pulling the net piece to be folded, is convenient to use, the upper end and the lower end of the pull beam respectively adopt the roller component and the sliding component to realize the movement on the upper frame and the lower frame, and the connecting rod for connecting the net piece simultaneously adopts the sliding component to realize the movement on the upper frame and the lower frame, thereby reducing the friction force, ensuring the folding movement to be smooth, avoiding the jamming condition and prolonging the service life.

And, have the connection cavity on the connecting rod of connecting net piece, when reinforcing connecting rod intensity, make the slider fixing base accessible screw that the assembly slider was used realize the assembly with the connecting rod, abandon the mode that glue is connected, assemble the steadiness strong. The net sheets are hinged with the side frames and the tension beams through the conversion connecting pieces, and different conversion connecting pieces can be replaced according to different net sheets, so that the assembly of the net sheets with different sizes and types can be realized, and the universality is improved. In addition, the sliding assembly, the roller assembly and the sliding assembly are arranged in a limiting manner, so that falling off in the sliding process can be effectively avoided, the stability is improved, dust deposition is reduced, and the service life is prolonged; the upper frame and the left and right frames can share the same section bar, so that the inventory cost is reduced, and the cost is reduced.

Drawings

FIG. 1 is a schematic view of a folded screen door/window of the present invention in an expanded configuration in accordance with an exemplary embodiment;

FIG. 2 is a schematic view of the folding screen door/window of the present invention in a folded configuration in accordance with an exemplary embodiment;

FIG. 3 is a schematic structural view of a connecting rod;

FIG. 4 is a schematic view of the structure of the mesh sheet hinged to the connecting rod;

FIG. 5 is a schematic view showing a structure in which a sliding collision bead is provided at an upper end of a connecting rod;

FIG. 6 is a schematic view of the fixing seat of the collision bead;

FIG. 7a is a schematic view of the upper end of the tension beam and the assembly structure of the sliding ball assembly on the upper frame;

FIG. 7b is a schematic view of the upper end of the tie beam and the assembly structure of the sliding column on the upper frame;

FIG. 8 is a schematic structural view of a transition joint;

FIG. 9 is a schematic view of the connection structure between the mesh and the side frame;

FIG. 10 is a schematic view of a connection structure of the mesh and the tie beam;

FIG. 11 is a schematic view of the upper roller assembly;

FIG. 12a is a schematic view of the structure of the lower end of the tension beam mounted on the lower frame;

FIG. 12b is a schematic view of the structure of the lower end of the zipper assembled with the lower frame through the ball head cylinder;

FIG. 13 is a schematic view of the structure of a mesh trim cover;

the attached drawings are marked as follows: 1-upper frame, 101-first limiting cavity, 102-second limiting cavity, 103-sliding groove, 104-roller guide rail, 2-lower frame, 201-first cavity, 202-second cavity, 203-ball guide rail, 204-ball guide rail, 3-left frame, 4-right frame, 5-mesh, 501-articulated shaft, 6-connecting rod, 61-movable connecting rod, 62-limiting connecting rod, 601-first articulated groove, 602-connecting cavity, 7-tie beam, 8-roller component, 81-roller, 82-upper connecting seat, 9-ball component, 91-ball, 92-lower connecting seat, 921-first seat body, 922-second seat body, 93-ball cylinder, 10-sliding collision ball, 10 a-sliding column body, 11-collision bead fixing seat, 1101-mounting column, 1102-mounting screw hole, 12-conversion connecting piece, 1201-second hinge groove, 1202-clamping part and 13-mesh decorative cover.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to specific examples and drawings, but the scope and implementation of the present invention are not limited thereto.

In the description of the specific embodiments, it should be noted that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships where products of the utility model are usually placed when the products of the utility model are used, and the terms "first", "second", and the like are used for convenience of distinction and are only used for convenience of description and simplification of description, but do not indicate or imply that structures or elements to be referred must have specific orientations, be constructed in specific orientations, and be operated, and therefore, are not to be construed as limiting the utility model, and are not to indicate or imply relative importance.

Unless expressly stated or limited otherwise, the terms "mounted," "disposed," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; 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 application can be understood by those of ordinary skill in the art as the case may be. In addition, as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example one

The folding screen door and screen window can be specifically a screen door or a screen window according to actual use scenes, if the folding screen door and screen window are used on a door body and a window body, the folding screen door and screen window is used on the window body, and the specific scene is not limited to the scene of a traditional door or window and can also be a scene similar to the scene of the door or window.

Referring to fig. 1 and 2, in the illustrated embodiment, the folding screen door screen includes a frame and more than two sheets of mesh 5. Wherein, the framework has last frame 1, lower frame 2, left side frame 3 and right side frame 4, and the setting of net piece 5 more than two is enclosed by last frame 1, lower frame 2, left side frame 3 and right side frame 4 and is covered in the framework that forms. Optionally, the upper frame 1, the lower frame 2, the left side frame 3 or the right side frame 4 are made of section bars, and have the advantages of light weight and high strength.

More than two meshes 5 are hinged with each other by a connecting rod 6 and can be folded along the connecting rod 6. Referring to fig. 3, the connecting rod 6 has at least two first hinge grooves 601, and in the illustrated embodiment, the two first hinge grooves 601 are disposed at the left and right ends of the connecting rod 6 away from each other. As shown in fig. 4, the left side end and the right side end of each mesh 5 are provided with a hinge shaft 501, when the connecting rod 6 connects two adjacent meshes 5, the hinge shafts 501 can be hinged in the first hinge grooves 601 in a matching manner, and the two first hinge grooves 601 of the connecting rod 6 are respectively hinged with the hinge shaft 501 on the right side end of one left mesh 5 and the hinge shaft 501 on the left side end of one right mesh 5, so as to realize foldable connection of the two adjacent meshes 5; and, when a plurality of net pieces 5, the plurality of net pieces 5 are connected in this way, thereby realizing the foldable connection of the plurality of net pieces 5.

Specifically, the connecting rods 6 are designed to include two styles of movable connecting rods 61 and limiting connecting rods 62, the left side end and the right side end of one mesh 5 are respectively connected with one movable connecting rod 61 and one limiting connecting rod 62, and the movable connecting rods 61 and the limiting connecting rods 62 are distributed at intervals by the mesh 5. The upper end and the lower end of the limiting connecting rod 61 are respectively limited on the upper frame 1 and the lower frame 2, and can respectively move along the upper frame 1 and the lower frame 2, but are not separated from the frame body in the moving process; the movable range of the movable connecting rod 61 is relatively limited to the connecting rod 61, and when the mesh 5 is folded, the movable connecting rod 61 extends out of the frame along with the swinging of the mesh 5.

Alternatively, the movable connecting rod 61 and the restricting connecting rod 62 may be of alternative connecting rod designs, i.e. the functional modes of the two may be interchanged. In the embodiment shown, the first connecting bar 6, counted from right to left, is designed as a movable connecting bar 61, the second connecting bar 6 is designed as a restraining connecting bar 62, the remaining connecting bars 6 are arranged cyclically in such a way that the first web, counted from right to left, can be folded up when the web 5 is folded; likewise, when the first connecting bar 6, counted from right to left, is designed as the restraining connecting bar 62 and the second connecting bar 6 is designed as the movable connecting bar 61, the first mesh sheet, counted from right to left, cannot be folded when the mesh sheet 5 is folded. Further alternatively, the movable connecting rod 61 and the restricting connecting rod 62 are connecting rods 6 of the same design.

Example two

This embodiment is the same as the first embodiment. Further, in a preferred embodiment, as shown in fig. 5 and 6, the upper and lower ends of the limit connecting rod 62 are freely slid on the upper and lower rims 1 and 2 by means of sliding collision ball assemblies. Specifically, the sliding collision bead assembly comprises a sliding collision bead 10 and a collision bead fixing seat 11; in a preferred embodiment, the limiting connecting rod 62 is provided with a connecting cavity 602, the collision bead fixing seat 11 is provided with a mounting post 1101 correspondingly adapted to the first hinge groove 601 of the connecting rod 62, and the collision bead fixing seat 11 is further provided with a mounting screw hole 1102 corresponding to the connecting cavity 602, during assembly, the mounting post 1101 of the collision bead fixing seat 11 is adapted to be inserted into the end of the first hinge groove 601 and is connected to the upper end and the lower end of the limiting connecting rod 62 through screws and the connecting cavity 602 in a locking manner, so that the sliding collision bead assembly and the connecting rod 62 have strong mounting stability; in addition, the upper frame 1 and the lower frame 2 each have a sliding groove 103 adapted to the sliding collision bead 10, and the sliding collision bead 10 can slide along the sliding groove 103.

Preferably, as shown in fig. 7a, the upper frame 1 has a first limiting cavity 101, the sliding groove 103 is opened in the first limiting cavity 101, and the collision bead fixing seat 11 is limited in the first limiting cavity 101. Therefore, the sliding collision bead assembly is limited in the first limiting cavity 101 to slide and move and is not easy to fall off, the sliding deviation is avoided to cause blocking, and the sliding smoothness is ensured.

As a frame body of the folding screen door and window screen, in an integral screen formed by more than two mesh sheets 5, the first end of the first mesh sheet is a non-free end and is hinged with the first side frame to move, the second end of the last mesh sheet is a free end and is hinged with a pull beam 7, and the upper end and the lower end of the pull beam 7 can respectively move along the upper frame 1 and the lower frame 2. In the embodiment shown in fig. 1 and 2, the right side end of the rightmost mesh 5 is hinged and immovable to the right side frame 4, while the left side end of the leftmost mesh 5 is connected to a tension beam 7. The straining beam 7 is used as a section bar connected to the free end of the integral gauze, and when the integral gauze is folded or unfolded, the straining beam 7 is directly forced to push and pull, so that the mutual folding or unfolding of the plurality of net pieces 5 of the integral gauze can be realized.

In another preferred embodiment, as shown in fig. 7b, the sliding collision bead 10 can be replaced by a sliding column, which is fixedly connected to the collision bead fixing seat 11 and transversely disposed in the first limiting cavity 101 to slide freely and stably.

EXAMPLE III

In a preferred embodiment, said first web is hinged to said first side frame by a transition joint 12, said transition joint 12 being removably attached to said first side frame; and/or the last mesh sheet is hinged with the tension beam 7 through a conversion connecting piece 12, and the conversion connecting piece 12 is detachably assembled on the tension beam 7. In the embodiment shown in fig. 1 and 2, the rightmost mesh 5 is hinged to the right side frame 4 by a transition joint 12, while the leftmost mesh 5 is also hinged to the tension beam 7 by a transition joint 12.

Specifically, as shown in fig. 8, the switching connector 12 has a second hinge groove 1201, and the hinge shaft 501 of the mesh 5 is adapted to be hinged in the second hinge groove 1201, so as to realize the hinge. In the embodiment shown in fig. 9 and 10, the right side frame 4 and the tension beam 7 have fastening installation grooves, the conversion connecting member 12 has a fastening portion 1202 detachably fastened into the fastening installation grooves, the conversion connecting member 12 is detachably fastened into the right side frame 4, the hinge shaft 501 of the rightmost mesh 5 is hinged in the second hinge groove 1201 of the corresponding conversion connecting member 12, and similarly, the conversion connecting member 12 is detachably fastened into the tension beam 7, and the hinge shaft 501 of the leftmost mesh 5 is hinged in the second hinge groove 1201 of the corresponding conversion connecting member 12.

Further, the second hinge grooves 1201 on different conversion links 12 may have different groove diameter sizes. Therefore, when the whole gauze needs to be replaced by the meshes 5 with different sizes or types, the flat mesh or the wave mesh is manufactured, the conversion connecting piece 12 with different second hinge grooves 1201 can be replaced according to different meshes 5, so that the hinge mounting of different meshes 5 and the right side frame 4 and the hinge mounting of different meshes 5 and the pull beam 7 are realized, the assembly of the meshes 5 with different sizes and types is realized, and the universality is improved.

Example four

In another preferred embodiment, please refer to fig. 7a again, a roller assembly 8 is disposed at the upper end of the tension beam 7, and the upper end of the tension beam 7 can slide along the upper frame 1 through the roller assembly 8. Specifically, referring to fig. 7a and 11, the roller assembly 8 includes a roller 81 and an upper connecting seat 82, wherein the upper connecting seat 82 is fixedly connected to the upper end of the tension beam 7, the roller 81 is rotatably disposed on the upper connecting seat 82 through a wheel axle, and the upper frame 1 has a roller guide 104 corresponding to the roller 81 and capable of receiving the roller 81 to slide. The sliding of the upper end of the tension beam 7 on the upper frame 1 is performed based on the roller 81, and the sliding is smooth due to the friction force.

In a preferred embodiment, please refer to fig. 7a again, the roller 81 is connected to the upper connecting seat 82 through a sheet metal structure; the upper frame 1 is provided with a second limit cavity 102, the roller guide rail 104 is arranged in the second limit cavity 102, a notch capable of allowing a sheet metal structure to pass through is formed in the second limit cavity 102, and the roller 81 is limited in the second limit cavity 102. Therefore, the sliding of the roller 81 is limited in the second limiting cavity 102, the roller assembly 8 is effectively prevented from falling off in the sliding process, the sliding stability is improved, and the dust accumulation is reduced through the limiting sealing of the second limiting cavity 102, so that the service life is prolonged.

In another preferred embodiment, referring to fig. 12a, the lower end of the tension beam 7 is provided with a ball assembly 9, and the lower end of the tension beam 7 can slide along the lower frame 2 through the ball assembly 9. Specifically, the ball assembly 9 includes a ball 91 and a lower connecting seat 92, wherein the lower connecting seat 92 is fixedly connected to the lower end of the tension beam 7, the ball 91 is assembled on the lower connecting seat 92, and the lower frame 2 has a ball guide 203 capable of receiving the ball 91 to slide. As a sliding contact component, the adopted ball 91 has elasticity and can automatically guide, so that the sliding process is kept stable, and the problems of inclination and blockage are avoided.

In a preferred embodiment, please refer to fig. 12a again, the lower connecting seat 92 includes a first seat 921 and a second seat 922, the first seat 921 and the second seat 922 are connected to each other and are not in the same plane, as in the illustrated embodiment, the planes of the first seat 921 and the second seat 922 do not intersect and are integrally connected by a bent connecting portion. The first seat 921 and the second seat 922 are both provided with the ball 91; have on the lower frame 2 with first pedestal 921 with first die cavity 201 and second die cavity 202 of second pedestal 922 adaptation, first pedestal 921 with second pedestal 922 assembles to in first die cavity 201 and the second die cavity 202, just all be provided with in first die cavity 201 with the second die cavity 202 and hold the ball 91 slides the ball guide 203. So, carry out the spacing assembly of first pedestal 921 and second pedestal 922 by the first die cavity 201 of plane non-intersect and second die cavity 202, make first pedestal 921 and second pedestal 922 by stable assembly on lower frame 2, only can slide along lower frame 2 and remove and be difficult for droing, stability is high.

Optionally, the form of the ball guide 203 is not limited, and may be an open type guide, or a guide disposed in a limited cavity, and the position where the ball 91 is disposed on the lower connection seat 92 corresponds to the ball guide 203. In the illustrated embodiment, the first cavity 201 is a cavity with an open upper portion, the ball guide 203 is a guide rail recessed from the bottom surface of the first cavity 201, the bottom of the first seat 921 corresponds to the bottom of the first cavity 201, and the balls 91 on the first seat 921 are disposed on the bottom end surface of the first seat 921; the second cavity 202 is a cavity with an open right side, the second seat body 922 is limited in the second cavity 202 and extends from the right side of the second cavity 202 to be connected to the connecting portion, the top and bottom surfaces of the second cavity 202 are both concavely provided with the ball guide rails 203, the upper and lower end surfaces of the second seat body 922 correspond to the top and bottom of the second cavity 202, and then the balls 91 on the second seat body 922 are arranged on the upper end surface and the lower end surface of the second seat body 922, so that smooth sliding is ensured, and jamming is avoided.

In another preferred embodiment, as shown in fig. 12b, the ball assembly 9 can be replaced by a ball head cylinder 93 with a spherical head, and a corresponding ball head guide 204 is provided on the lower frame 2 for the ball head cylinder 93 to slide, so as to reduce the contact area and ensure smoother sliding. The column of the ball head cylinder 93 is fixedly connected with the bottom end of the tie beam 7, and the spherical head part is arranged on the ball head guide rail 204 and can freely slide along the ball head guide rail 204.

EXAMPLE five

In another preferred embodiment, please refer to fig. 1 and 2 again, the upper and lower ends of the mesh 5 are provided with mesh decorative covers 13. Referring to fig. 13, the mesh decorative cover 13 is a deformable elastic clip adapted to the upper and lower end portions of the mesh 5, and is specifically clamped on the upper and lower end portions of the mesh 5 to protect and decorate the upper and lower end portions of the mesh 5, thereby improving the aesthetic appearance of the entire screen door/window.

In addition, based on foretell structure setting, go up frame 1, left side frame 3 and right side frame 4 and can adopt the same section bar to realize the multipurpose of single section bar, reduce material inventory cost, thereby reduce the manufacturing cost of whole screen door screen window.

The above embodiments are merely preferred embodiments of the present invention, and the technical solutions of the present invention are described in further detail, but the above descriptions are exemplary, not exhaustive, and are not limited to the disclosed embodiments, the scope and implementation of the present invention are not limited thereto, and any changes, combinations, deletions, substitutions or modifications that do not depart from the spirit and principle of the present invention are included in the scope of the present invention.

Claims (10)

1. A folding screen door and window screen is characterized by comprising more than two meshes; more than two meshes are hinged with each other by adopting a connecting rod and can be mutually folded along the connecting rod; the connecting rods comprise movable connecting rods and limiting connecting rods which are distributed at intervals by the meshes; the upper end and the lower end of the limiting connecting rod are respectively limited on the upper frame and the lower frame and can respectively move along the upper frame and the lower frame;

among the more than two meshes, the first end of the first mesh is hinged with the first side frame, and the second end of the last mesh is hinged with a straining beam; and the upper end and the lower end of the tension beam can respectively move along the upper frame and the lower frame.

2. A foldable screen door/window screen according to claim 1, wherein the connecting bar has at least two first hinge grooves, and the first end and the second end of the mesh have hinge shafts adapted to be hinged in the first hinge grooves.

3. The screen window of claim 1, wherein the upper and lower ends of the restricting link are each provided with a slider, and the sliders are disposed at the upper and lower ends of the restricting link through slider holders; the upper frame and the lower frame are respectively provided with a sliding groove matched with the sliding piece, and the sliding piece can slide along the sliding grooves; the sliding member includes a sliding collision bead or a sliding cylinder.

4. The foldable screen door/window screen as claimed in claim 3, wherein the limiting rod is provided with a connecting cavity, and the sliding member fixing seat is connected to the upper and lower ends of the limiting rod by being locked with the connecting cavity by a screw.

5. The folding screen door/window as claimed in claim 1, wherein the upper and lower ends of the mesh are provided with mesh decoration covers.

6. The folding screen door/window of claim 1, wherein the first sheet of mesh is hingedly connected to the first side frame by a transition connection that is removably attached to the first side frame; and/or the last mesh sheet is hinged with the straining beam through a conversion connecting piece, and the conversion connecting piece is detachably assembled on the straining beam;

the conversion connecting piece is provided with a second hinge groove, the meshes are provided with hinge shafts, and the hinge shafts of the meshes can be hinged in the second hinge groove in a matching mode.

7. The folding screen door/window screen as claimed in claim 1, wherein the upper end of the pulling beam is provided with a roller assembly, and the upper end of the pulling beam is slidably moved along the upper frame by the roller assembly;

the roller assembly comprises a roller and an upper connecting seat, the upper connecting seat is fixedly connected to the upper end of the pull beam, the roller is arranged on the upper connecting seat in a freely rotating mode, and a roller guide rail capable of containing the roller to slide is arranged on the upper frame.

8. The folding screen door and window screen as claimed in claim 7, wherein the roller is connected to the upper connecting seat through a sheet metal structure; go up the frame and have spacing die cavity, the gyro wheel guide rail sets up spacing die cavity, just set up the notch that can hold the sheet metal structure and pass on the spacing die cavity, the gyro wheel restriction is in spacing die cavity.

9. The folding screen door/window screen of claim 1, wherein the lower end of the tension beam is provided with a sliding assembly, and the lower end of the tension beam can slide along the lower frame through the sliding assembly;

the sliding assembly comprises a sliding piece and a lower connecting seat, the lower connecting seat is fixedly connected to the lower end of the tension beam, the sliding piece is assembled on the lower connecting seat, and a sliding guide rail capable of accommodating the sliding piece to slide is arranged on the lower frame; the sliding element comprises a ball or a cylinder with a spherical head.

10. The foldable screen door and window screen of claim 9, wherein the lower connecting seat comprises a first seat and a second seat, the first seat and the second seat are connected to each other and are not in the same plane, and the sliding member is disposed on each of the first seat and the second seat; the lower frame is provided with a first cavity and a second cavity which are matched with the first seat body and the second seat body, the first seat body and the second seat body are assembled in the first cavity and the second cavity, and the first cavity and the second cavity are internally provided with the sliding guide rails which can accommodate the sliding of the sliding piece.

Images