JP3894556B2 - Screen door with net storage frame - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a screen door with a net storage frame in which the net is automatically wound and opened by the elasticity of a spring.
[0002]
[Prior art]
Conventionally, this type of screen door has a vertical frame on one side of the screen door frame as a net storage frame, and as shown in the drawing of the embodiment, as a winding device 7 of the net 5, a winding shaft 27, an automatic A coil spring 25 for storing the winding force and a central shaft 31 for imparting a rotational elastic force to the coil spring 25 with respect to the take-up shaft 27 are internally provided. In addition, a movable rod 14 is attached to the tip of the net 5, and the movable rod 14 is stopped against the elastic force of the coil spring 25 on the other vertical frame 2.
[0003]
Therefore, when the movable rod 14 is separated from the vertical frame 2, the net 5 is automatically taken up by the force of the coil spring 25. The winding of the net 5 is preferably made full width by the force of the coil spring 25. In other words, it is convenient if the net 5 is stored all at once by the return of the coil spring 25 when the hook of the movable rod 14 is released. Need to be adjusted to go back. Further, the tension of the net 5 may be excessive or insufficient, and adjustment thereof is necessary, so that the adjustment device 10 is provided.
[0004]
[Problems to be solved by the invention]
In any case, in order to wind the remaining uncontained portion and store it in the vertical frame, conventionally, as shown in FIG. 9, a coil spring adjustment device is provided at the upper end of the vertical frame 150, and the adjustment knob 154 is provided in the vertical frame. The upper end surface contact cap 156 and the lower end surface contact cap have different structures in terms of function, such as being rotatably exposed in a hole 160 provided in the center of the upper surface contact cap 156 of the frame 150. Therefore, in the manufacture of screen doors, when changing the net to the left-right sliding, the face-to-face caps are not compatible, which is inconvenient. That is, in the manufacture of a screen door with a net storage frame of this type, there is a problem that if there are many types of face caps formed of plastic, the cost increases in relation to an expensive mold.
[0005]
In view of the above circumstances, the present invention provides a net door with a net storage frame that can be used as it is even in an assembly in which the drawing is changed and that can stably support the net winding device. The purpose was to provide.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention has a frame that opens and closes a net by a left and right vertical frame and an upper and lower frame, one of which is a net storage frame, and the winding shaft is made elastic by the coil spring. A screen door equipped with a rotating net winding device, screwed plate-shaped surface contact caps made of plastic at both ends of the net storage frame, and a winding device adjusting device on the side of the surface contact cap The both surface contact caps are formed by integrally projecting a fitting wall joined to the end inner surface of the net storage frame and a connecting piece fitted into a frame adjacent to the net storage frame. It is formed in the same symmetrical shape that has a vertically facing relationship on the same surface, and the inner substrate facing the face cap is screwed to the tip of the fitting wall that fits into the net storage frame. By, respectively a space is provided between each substrate and the double-sided against the cap, and interior of the adjusting device in the space at one end of the net housing frame, hold the Jikuukeko the central axis of the winding apparatus at the other end In addition, a shaft hole on the central axis of the winding device is provided at the center between the surface contact cap and the inner substrate, and the driving gear of the adjusting device is supported on both shaft holes of the surface contact cap and the inner substrate at one end. A screen door with a net storage frame is provided in which the bearings are fitted in both shaft holes of the face cap and the inner substrate at the other end.
[0007]
[Action]
Since the screen door with the net storage frame is configured as described above, the frame is formed by combining the net storage frame with the adjacent frame by the connecting piece , and the face contact cap at one end and the face contact cap at the other end are symmetrical. of it is that two types are the same shape, when assembling the product of pull difference changes the opening and closing of the net, or, when reassembled to pull difference change, by changing each other face bearing caps at both ends of the net storage frame The assembly can be done. In any case, the winding shaft can be stably supported by fitting the bearing of the driving gear or the projection of the bearing in the adjusting device into the shaft hole.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
In the present invention, the structure of the adjusting device 10 of the winding device 7 is not particularly limited as long as it has a driving gear 39 coaxial with the central shaft 31. In the embodiment, the adjusting device 10 is exposed to the upper end surface contact cap 8. Driver holes 49 and 50 are provided in the shaft portions 47 and 48 of the driving gear 39 and the driven gear 41 so that they can be adjusted by any operation. Further, the driven gear 41 is exposed (FIG. 8) It may be possible to have various structures such as turning the fingertip with a fingertip. The net storage frame 1 may be either a vertical frame or an upper and lower frame.
[0009]
The presence or absence of the opening / closing cover 17 does not matter with respect to the net storage frame 1, but when it is provided, it may be opened and closed with the screw pocket 19 at one end as an axis as in the embodiment, or may be detachable by fitting. is there. When the driven gear 41 is used (Claim 2), the surface contact caps 8 and 9 have a follower hole 59 in addition to the original shaft hole 57, which is sealed by a follower 79 integral with the bearing 15, In addition, the bearing that supports the winding device 7 is further stabilized by the parallel arrangement.
[0010]
The present invention can be applied not only to a screen door as a fitting , but also to a mesh window or other mesh window such as a case for storing articles. In addition, the coil spring 25 is used to automatically rewind the net 5, but if the net 5 can be rewound, the use of a spring spring does not contradict the spirit of the present invention.
[0011]
【The invention's effect】
As described above , according to the screen door with the net storage frame of the present invention, the center shaft of the winding device is supported by the face contact caps at both ends of the net storage frame, and the net winding is performed by the face contact cap at one end thereof. per equipped with adjustment device of the apparatus, since to form the both surfaces against the cap symmetrically, also in pulling difference change of the net, not require another type of face bearing cap, since it directly effectively used, screens Ya It is advantageous in terms of cost because the number of parts is reduced for the manufacture of the mesh window, and it is advantageous in changing the existing ones, and there is an excellent effect that the winding device can be supported stably and reliably. .
[0012]
【Example】
Next, an embodiment of the present invention will be described with reference to the drawings.
[0013]
FIG. 1 to FIG. 8 show an example implemented as an insect screen door, in which one vertical frame is a net storage frame 1, the net storage frame 1, the other vertical frame 2, and an upper and lower frame 3. , 4 (FIGS. 1 and 2), the net storage frame 1 is equipped with a winding device 7 for the net 5, and the net storage frame 1 and the upper and lower frames 3, 4 are connected to the connecting pieces 11 respectively. Surface contact caps 8, 9 are used, and the inner substrates 13, 14 are associated with the surface contact caps 8, 9, respectively. An adjustment device 10 for the winding device 7 is provided at the upper end of the net storage frame 1, and it is provided between the face-contact cap 8 and the inner substrate 13. Moreover, the bearing 15 of the winding device 7 is used at the lower end of the net storage frame 1 and is sandwiched between the face-contact cap 9 and the inner substrate 14 (FIG. 3). A movable rod 14 is connected to the tip of the net 5, and upper and lower magnets 18 and 18 are attached to the vertical frame 2, and metal magnet receivers 18 a and 18 a attracted to the movable rod 14 are attached.
[0014]
The net storage frame 1 has a shape projecting to the front because it is necessary to equip the winding device 7 and the like, and is composed of a combination of a frame main body 16 and an opening / closing cover 17, and is formed in an L-shaped cross section, 16, screw pockets 19, 19, 19 are provided at the inner corner and both ends (FIG. 4), and the opening / closing cover 17 is pivotally supported with the screw pocket 19 at one end as an axis. A slightly larger bearing pocket 20 that fits into the screw pocket 19 is formed at the base end of the opening / closing cover 17.
[0015]
When the open / close cover 17 is closed, the upper and lower frames 3, 4 are located near the front end of the open / close cover 17 so that the closing opening between the frame main body 16 serves as the storage opening 21 of the net 5 and the interval is maintained. A projecting piece 23 is formed on the side surface of the room. The solid line in FIG. 4 shows a closed state, and the front end of the open / close cover 17 is in contact with the end surfaces of the upper and lower frames 3, 4.
[0016]
The main part of the winding device 7 is housed in the net storage frame 1 (FIG. 3), and a cylindrical winding shaft 27 is supported on the central shaft 31, and bearings 35, 35, 35 are provided on the bearing. The winding shaft 27 is fitted and fixed. Then, the coil spring 25 is inserted into the upper end portion of the central shaft 31, and the lower end of the coil spring 25 is hooked on the bearing 35 so that the coil spring 25 is wound by the rotation of the central shaft 31. It is fixed with. Therefore, when the movable rod 14 is moved in the direction of the arrow Pa that opens the net 5 and the net 5 is pulled out, elasticity is accumulated in the coil spring 25 and is biased in the direction of rotation of the arrow Pb for winding the net 5. At the upper end of the central shaft 31, a connecting piece 38 for connection with the adjusting device 10 is formed by processing into a minus (−) shaped protruding piece, and at the lower end, a thin shaft 32 that is rotatably fitted to the bearing 15 is formed. The
[0017]
The adjusting device 10 is supported by sandwiching a driving gear 39 that rotates coaxially with the central shaft 31 and a driven gear 41 that meshes with it between the upper surface contact cap 8 and the inner substrate 13. The ratchet lever 43 that stops and releases the driving gear 39 that accumulates the elasticity of the coil spring 25 and the spring pin 45 that biases it in the stopping direction are housed.
[0018]
The driving gear 39 is formed integrally with a ratchet wheel 40, and is provided with circular shaft portions 47 and 47 projecting vertically and a minus (−) driver hole 49 penetrating vertically. The connecting piece 38 at the upper end of the central shaft 31 is fitted into the lower end of the hole 49. Further, the driven gear 41 is also provided with shaft portions 48 and 48 projecting vertically, and a minus-shaped driver hole 50 is also formed in this. Further, the ratchet lever 43 has a shape refracted into a square shape, and a bearing hole 51 is formed at the proximal end, a finger hook 53 is formed at the distal end, and a ratchet 55 that meshes with the ratchet wheel 40 is provided in the middle. A narrow groove on which the spring pin 45 is hooked is formed on the side surface.
[0019]
The upper and lower surface abutting caps 8 and 9 are substantially rectangular plate-shaped, and on one side, the connecting piece 11 protrudes from the outside in a bifurcated manner in relation to the front projecting shape of the net storage frame. Thus, the upper and lower inner substrates 13 and 14 have the same vertically symmetrical shape (see FIGS. 5 and 6). About the shape, the fitting wall 56 joined to the inner side of the frame main body 16 protrudes in the circumference | surroundings, and it is formed except the part from the front surface to the storage port 21, and it hits the inner substrates 13 and 14. It acts as a separator between them. Then, in order to screw mounting screws 59, 59, 59 into the screw pockets 19, 19, 19 of the frame body 16 at the three corners of the portion having the fitting wall 56, the through holes 61, 61, 61 Is provided. Further, in order to fix the inner boards 13 and 14 against the fitting wall 56, a pair of cylindrical screw holes 64 and 64 into which the fixing screws 63 and 63 are screwed are protruded integrally with the fitting wall 56. Established. In addition, the corner | angular angle of the vicinity angle | corner of the storage port 21 in the near side of a square is rounded.
[0020]
Further, a shaft hole 57 is provided at the center of the quadrilateral of the face caps 8 and 9, a follower hole 59 is provided near the rounded angle, and a rotating shaft 65 on which the ratchet lever 43 is pivoted is projected at the back end. A support shaft 67 on which the spring pin 45 is fitted is projected from the side. Further, a catch 68 of the ratchet lever 43 protrudes near the front end, and the ratchet lever 43 is urged by the spring pin 45 around the rotation shaft 65 and is hooked on the ratchet wheel 40 in a state where the catch 68 is stopped. Yes. Therefore, when the ratchet lever 43 is pulled against the elasticity of the spring pin 45, the driving gear 39 is rotated by the return force of the coil spring 25, so that the coil spring 25 can be adjusted to be loosened by pulling. In addition, the connection piece 11 is formed with screw holes 71 and 71 for the connection screws 69 and 69 at each of the two forks.
[0021]
The upper and lower inner substrates 13 and 14 are also symmetrical with each other, and the four corners between the screw pockets 19, 19, 19 of the frame body 16 and the rounded corners of the surface contact caps 8, 9 are notched. In the center portion, a shaft hole 57a corresponding to the shaft hole 57 of the surface contact caps 8 and 9 and a slave shaft hole 59a corresponding to the slave shaft hole 59 are formed respectively. Further, through holes 73 and 73 for fixing screws 63 and 63 for stopping the inner substrates 13 and 14 are formed.
[0022]
The bearing 15 at the lower end has a cylindrical shape into which the lower end thin shaft 32 of the central shaft 31 of the winding device 7 is fitted, and a short columnar mating member 79 is integrally formed of plastic through a continuous piece 77, Circular protrusions 81, 81 are formed on the upper and lower ends of the bearing 15 so as to be fitted in the original shaft hole 57 a of the inner substrate 14 and the original shaft hole 57 of the surface contact cap 9, respectively. Similarly, protrusions 82 and 82 that fit in the driven shaft holes 59a and 59 are formed on the upper and lower ends of the mating member 79, respectively.
[0023]
FIG. 8 shows another embodiment. The upper end of the opening / closing cover 17 is cut short, and a part of the driven gear 41 is exposed there. In this case, a finger is put on the exposed portion. Thus, the adjusting device 10 can be operated by turning the driven gear 41 .
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a screen door with a net storage frame according to the present invention.
FIG. 2 is a further exploded perspective view of the main part.
FIG. 3 is a cross-sectional view seen from the front showing the main part of the screen door .
4 is a cross-sectional view taken along the line AA in FIG. 3;
FIG. 5 is a bottom view of the upper end surface contact cap.
FIG. 6 is a plan view of a bottom-surface contact cap.
FIG. 7 is a plan view of one end showing the main part of the screen door .
FIG. 8 is a plan view corresponding to FIG. 7 showing another embodiment.
FIG. 9 is an explanatory diagram of a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Net storage frame 2 Vertical frame 3 Upper frame 4 Lower frame 5 Net 7 Winding device 8,9 Surface contact cap 10 Adjustment device 11 Connection piece 13,14 Inner board 15 Bearing 25 Coil spring 31 Central shaft 39 Drive gear 41 Driven Gears 47, 48 Shaft portion 49, 50 Driver hole 56 Fitting wall 57, 57a Master shaft hole 59 59a Slave shaft hole 79 Recessor

Claims (2)

A frame that opens and closes the net is formed by left and right vertical frames and upper and lower frames, and one of the frames is used as a net storage frame, and a net winding device that rotates a winding shaft by the elasticity of a coil spring is provided. In a screen door in which a plate-shaped surface contact cap made of plastic is screwed to both ends of the storage frame, and the adjustment device of the winding device is provided on the side of the surface contact cap at one end, both surface contact caps of the net storage frame The fitting wall to be joined to the inner surface of the end and the connecting piece to be fitted to the frame adjacent to the net storage frame are integrally projected, and the caps are symmetrical with each other in a vertically-oriented relationship on the same surface. In addition, it is formed in the same shape, and by screwing the inner substrate facing the face contact cap to the tip of the fitting wall that fits in the net storage frame, Each a space is provided between the plate and decorated the adjusting device in the space at one end of the net housing frame, the other end held between the Jikuukeko the central axis of the winding device, also face bearing cap and the inner substrate Is provided with a shaft hole on the central axis of the winding device, the driving gear of the adjusting device is supported in both shaft holes of the surface contact cap and the inner substrate at one end, and the surface contact cap and the inner substrate at the other end. A screen door with a net storage frame , characterized in that the bearing element is fitted in both the original shaft holes. The net storage frame is either a left or right vertical frame, and both the upper and lower surface contact caps and the inner substrate are provided with follower holes in the vicinity of the original shaft hole. A driven gear that meshes with the driving gear is supported in the driven shaft hole, and a follower hole formed integrally with the bearing element by plastic is fitted into both driven shaft holes of the lower end surface contact cap and the inner substrate. 2. The net housing frame according to claim 1, wherein a driving hole for rotating the driving gear and the driving gear exposed in the driving shaft hole and the driving shaft hole of the surface contact cap is provided. Screen door.

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