JP2005207134A - Slide holding device for opening/closing net in screen door - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a slide holding device for an opening/closing net in a screen door capable of performing always smooth opening/closing operation without causing a net to slip out of a guide frame. <P>SOLUTION: In both guide frames, both side inner surfaces are integrally provided with inclined projecting pieces projecting from a depth position deeper than projecting brushes, by extrusion molding. Both inclined projecting pieces correspond to V-shape in inclination in the depth direction, and a space for inserting a slide edge part of the net in the center part position is provided between the tips. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a slide holding device for an opening / closing net in an insect screen having a storage frame that is framed by an extruded shape member such as aluminum and winds up a net at one end. In addition, in this specification, it shall include the net | network frame which has been inserted and killed in the building.

  The screen door is generally stretched with a net fixed, but a screen door having a function of sliding and opening only the net is often used. In such a screen door, one frame of the frame surrounding the net is a storage frame equipped with a shaft that winds the net and a coil spring that biases the shaft to rotate in the winding direction, and is connected to both ends of the frame. A pair of channel-shaped frames is used as a guide for the net, and a movable bar that engages the pair of frames at both ends is attached to the tip of the net, and a magnet that fixes the movable bar to the frame facing the storage frame Such fixing means were provided.

  Therefore, when closing the net, the net is unwound from the shaft against the elasticity of the coil spring, so that it is pulled out from the storage frame and the movable bar at the tip is fixed. The net is wound on the shaft in the storage frame. At the time of opening and closing, the net must be engaged with the guide groove of the frame at the slide edge on both sides, but because of the flexibility, it may come loose from the guide groove even if it does not come off. there were.

  In order to prevent this, conventionally (see the figure), the guide frames 30 and 30 on both sides are inclined with the protruding brushes 39a and 39b sandwiching the net N in the guide groove inward and at the tip. There is a proposal to construct a slide holding device for an open / close net by projecting so as to produce a step D and thus sandwiching the edge of the net with both protruding brushes in a non-return manner. However, this not only prevents the net from being detached and loosened, but also causes the net to be caught during opening and closing, and a smooth opening and closing operation may not be obtained.

  The provision of the step D between the tips of both the ridge brushes 39a and 39b is easy to slide so that the net N is not pinched tightly, and the tip of the lower ridge brush 39a is caught by the force with which the net N comes off. This is because it is expected that the protruding brush 39a is lifted and the other protruding brush 9b is cramped, and the catch is surely secured. However, in reality, since the sliding edge 40 of the net N bends in the inclination direction of the lower protrusion brush 39a, it is difficult to be caught with the net N and preventing the net from coming off or slacking as expected. could not. In addition, the slide edge 40 is bent and caught on the inner surface of the guide frame 32.

  Furthermore, the net slide end edge portion 40 is curled as shown in the drawing so that the net is removed from the other guide frame. As for the cause of such occurrence, distortion such as bending or twisting has often occurred in the guide frame for some reason. In addition, since this distortion extends to the ridge brush, it was easy for the net to be caught on the brush.

Special table hei 11-504402 JP 2001-248370 A International Publication 03/048499 A2 International Publication 03/048499 A2

  In view of the above circumstances, an object of the present invention is to provide a sliding holding device for an opening / closing net in a screen door that does not come out of a guide frame and can always be opened and closed smoothly.

  In order to achieve the above object, according to the present invention, a rectangular frame is a storage frame in which a net is wound up by the elasticity of a spring, and a movable bar fixed to a fixing frame opposite to the storage frame is provided at the tip of the net. Both guide frames between the storage frame and the fastening frame are channel-shaped, and at least one of them is inclined in the depth direction with the protruding brush sandwiching the sliding edge of the net between the inner surfaces of the openings. In the projecting screen door, both guide frames are provided with slanted ridge pieces protruding from the depth position on both side inner surfaces from the depth position by extrusion, and both slanted ridge pieces are inclined in the depth direction. In the screen door, which is V-shaped and has a space at which the slide end edge of the net is inserted at the center position between the tips. Providing a slide retaining device takes off the net.

  Further, both the ridge brushes are inclined in the depth direction, and a step is provided between the tips of the both ridge brushes.

  Since the slide holding device for the opening / closing net in the screen door is configured as described above, the sliding edge of the guide frame is slid while being sandwiched between the ends of the two protruding brushes while opening and closing the net for operating the movable rail. However, the position of the sliding edge of the net fits into the gap between the pair of inclined protrusions projecting in the inner part of the guide frame so that the position is held in the center, so that the net comes out of the net. Even if a force is applied, it is possible to securely catch the tip of the ridge brush, and the stable tension of the net is maintained. In particular, when a step is provided between the tips of both ridge brushes (Claim 2), the prevention effect is further enhanced. Further, distortion of the guide frame is prevented so that the net slides smoothly from the rib shape.

  As described above, according to the present invention, in the screen door in which the sliding edge portion of the net is sandwiched between both protruding brushes, the sliding edge portion of the net is positioned at the center of the width of the guide frame by the pair of inclined protruding strips. By being held by the part, even if a force to pull out the net is applied, the hook with the protruding brush is reliably held, so that the net is prevented from being pulled out and a stable tension is always maintained, and the inclined protrusion Since the strips serve as ribs to prevent the guide frame from being distorted, the net tension stability can be obtained, and the net can be opened and closed smoothly.

  Next, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 and FIG. 2 show an embodiment, and its screen door (or screen frame) S is framed by an aluminum extruded profile, one end is a storage frame 1 with a net N, and the upper and lower sides are guide frames 2. 2. The other end is a fixing frame 3. A movable bar 5 is attached to the tip of the net N, and plastic slide pieces 7, 7 that engage with the guide frames 2, 2 are attached to both ends. It is done. The guide frames 2 and 2 are internally provided with a pair of left and right protruding brushes 9a and 9b, and inclined protruding strips 11 and 11 are integrally formed at the back of the guide frames 2 and 2.

  The guide frames 2 and 2 have a channel shape with a U-shaped cross section that opens to the inside in the shape of an aluminum extruded profile. The dovetail grooves 13a and 13b project from the inner surfaces of both edges of the opening, and the dovetail grooves 13a and 13b In addition, the inclined ridges 11 and 11 project from the inner surfaces of the inner side toward the inner side in a worshiping direction, and a gap 15 is provided between the tips of the both inclined ridges 11 and 11. Due to the V-shaped inclination of both the inclined ridges 11, 11, the end of the net N can be easily inserted into the interval 15 therebetween, and the resistance of the net N is somewhat deviated. Further, since the slide edge 10 of the net N is held at the center, the hook is held so as not to come off the protruding brushes 9a and 9b.

  The protrusion brushes 9a and 9b are attached to the plastic strip bases 17 and 17 at the base where the brush hairs are arranged and knitted, and the strip bases 17 and 17 are inserted into the dovetail grooves 13a and 13b and fitted. Thus, the protrusion brushes 9a and 9b are attached to the guide frames 2 and 2, respectively.

  Among the dovetail grooves 13a and 13b, the inner dovetail groove 13a is formed at a slightly deeper and lower position, so that the inner protrusion brush 9a is at a lower position. Has a step D, and the net N is elastically sandwiched between the steps. Therefore, if the resistance to which the net N moves is small, and if the force P for pulling out from the net N is applied, it is easy to prevent it by both the protruding brushes 9a and 9b. In order to further enhance this blocking capability, the lower ridge brush 9a is made relatively short to strengthen the waist.

  That is, when the force P that is pulled out by the net N is applied, the net N is strongly hooked on the tip of the ridge brush 9a, and the ridge brush 9a is bent and hits the ridge brush 9b at a high position to be blocked. Net N is prevented from being lost. In this case, catching of the net N with respect to the tip of the protrusion brush 9a at a low position is ensured by the end edge 10 being held in the center by the inclined protrusions 11 and 11.

  In this regard, in the case of the conventional case of FIG. 4, as described above, the sliding edge 40 of the net N is bent in the inclined direction of the protruding brush 39a at a low position. The hook with the strip brush 39a was not reliably obtained.

  The movable crosspiece 5 is fixed to the two pieces by fixing the shape members 5a and 5a, with the end of the net N sandwiched therebetween, and 19 is a fixing screw. The slide pieces 7 and 7 at both ends are also fixed by screws 21 with the ends of the net N sandwiched between the end pieces 7a and 7a fitted to the profiles 5a and 5a, respectively.

  In addition, a handle 23 is attached to the inner side of the movable bar 5, and a magnet 25 is attached to one side and an adsorbing piece 27 is attached to the other side so that the handle 23 can be pulled and fixed to the fixing frame 3.

  FIG. 3 shows another embodiment. The guide frame 2 is formed with grooves 13 and 13 on the inner surface of the opening in the guide frame 2 on which the pair of inclined protrusions 11 and 11 are projected. In addition, a short ridge brush 9a and a long ridge brush 9b are provided with their tips aligned at substantially the same height. Moreover, as shown in the figure, as shown with a dashed-two dotted line, one protrusion brush 9a may protrude horizontally.

While showing the screen door which concerns on one embodiment of this invention, a part is pulled out and it shows as an expanded cross section. It is an expanded sectional view of the AA line arrow of FIG. It is sectional drawing corresponding to FIG. 2 which shows other embodiment. It is sectional drawing of the guide frame which shows a prior art example.

Explanation of symbols

S Screen door N Net D Step 1 Storage frame 2 Guide frame 3 Fastening frame 5 Movable bar 9a, 9b Projection brush 10 Slide edge 11 Inclined projection strip 15 Interval

Claims (2)

  One of the rectangular frames is a storage frame that winds up the net with the elasticity of the spring, and a movable beam that is secured to the fixing frame facing it is attached to the tip of the net, and between the storage frame and the fixing frame. In the screen door in which both guide frames are channel-shaped, and the protruding brush that sandwiches the sliding edge of the net on both inner surfaces of the opening projects at least one of them in the depth direction, both guide frames, Inclined ridge pieces are integrally formed by extrusion molding on the inner surfaces of both sides from the depth position than the ridge brush, and both inclined ridge pieces are V-shaped in the inclination in the depth direction, and a net is formed between the tips. A sliding holding device for an opening and closing net in a screen door, characterized in that an interval is provided at which the slide edge portion is inserted at the center position. 2. A sliding holding device for an opening and closing net in a screen door according to claim 1, wherein both the projecting brushes are inclined in the depth direction, and a step is provided between the tips of the projecting brushes.

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