JP7089408B2 - Door car - Google Patents

Description

The present invention relates to a door roller used for various windows such as a single-sliding window and a sliding window equipped with a sliding door that can slide in the left-right direction.

Conventionally, a sliding window in which an external shoji, an internal shoji, and a screen door are slidably arranged in the left-right direction is known on the frame body (see Patent Document 1), and the screen door is a door roller device placed on the rail of the frame body. (Door car) is provided. This door roller device includes a fixing member fixed to the lower part of the vertical rail of the screen door, a movable member attached to the fixing member so as to be swingable up and down, and a wheel pivotally supported by the movable member. An insertion groove opened at the bottom is formed at the lower end portion of the screen, and a rail of the frame body is arranged in this insertion groove.

Japanese Unexamined Patent Publication No. 2018-44430

By the way, in the door roller device described in Patent Document 1, since the insertion groove is formed in the fixing member itself, the portion where the insertion groove is formed cannot be removed from the door roller device. For this reason, for example, when such a door roller device is used for an existing window or the like, it is difficult to fit a rail having a large thickness in the insertion groove, or an airtight material provided in the screen door is inserted. It may interfere with the portion forming the groove, and it is difficult to improve the versatility of the door roller device.

An object of the present invention is to provide a door roller capable of improving versatility.

The door roller of the present invention is a door roller that is mounted on a shoji and can move on rails, and is attached to and detachable from the door roller frame fixed to the shoji, wheels supported by the door roller frame, and the door roller frame. A guide member is provided, and the guide member is characterized by having a guide main body portion having a rail guide groove formed at a lower end portion thereof and an engaging portion engaged with the door roller frame.
According to the door roller of the present invention, since the guide member is configured to be detachably attached to the door roller frame, the guide member can be used properly in the state of being attached to the door roller frame and the state of being removed. For example, by arranging a rail such as a window frame in the rail guide groove with the guide member attached, it can function as a wheel chock prevention or a shoji slip prevention. Further, for example, when the thickness of the rail such as an existing window is large and the guide member interferes with the rail, or when the guide member interferes with the airtight material provided on the shoji or the like, the guide By removing the member, the door roller can be used without the above-mentioned interference. As described above, since the door roller of the present invention is highly versatile, it can be used for various fittings such as a single-sliding window and a sliding window equipped with a sliding door that can slide in the left-right direction.

In the door roller of the present invention, the door roller frame has a pair of frame side surface portions connected to each other, and the guide main body portion has the pair of frames in a state where the engaging portion is engaged with the door roller frame. It may be in contact with the inner surface of the side surface portion.
According to such a configuration, since the guide main body portion abuts on the inner surface of the pair of frame side surface portions in the mounted state of the door roller, the shoji swings in the prospective direction with respect to the rail, so that the guide member is in the prospective direction. Even if a force is applied, the force can be received by holding the guide main body portion by the side surface portion of the frame.

In the door roller of the present invention, the engaging portion is formed on a pair of elastic piece portions extending upward from the guide main body portion and an upper end portion of the pair of elastic piece portions, both of which are formed on the pair of frame side surfaces. It may have an engaging claw that engages with the portion.
According to such a configuration, since the pair of elastic pieces are elastically deformed, the pair of engaging claws can be easily inserted between the pair of frame side surfaces in order to attach the guide member to the door roller frame. By elastically deforming the elastic piece by pushing the engaging claw to remove the guide member from the door roller frame, the engaging claw can be easily disengaged from the side surface of the frame.

In the door roller of the present invention, the pair of engaging claws are configured to be engageable with the upper edge of the pair of frame side surface portions, and one of the guide main body portion and the door roller frame is the other. A positioning protrusion that abuts on the surface may be formed.
According to such a configuration, since the positioning protrusion of one of the guide main body and the door roller frame abuts on the other, the pair of engaging claws are paired while positioning the vertical position of the guide member with respect to the door roller frame. It can be engaged with the upper edge of the side surface portion of the frame. Further, since the engaging claw engages with the upper edge of the frame side surface portion in this way, the engaging claw is used as compared with a configuration in which the engaging claw engages with an engaging hole formed in the frame side surface portion, for example. It can be easily removed from the side surface of the frame.

In the door roller of the present invention, a grip portion is formed at the upper end portion of the pair of elastic pieces, and the pair of grip portions is the pair in a state where the guide member is attached to the door roller frame. They may be arranged at intervals with respect to the side surface portions of the frame.
According to such a configuration, the pair of elastic pieces can be elastically deformed by sandwiching the pair of knobs with a tool such as a finger or needle-nose pliers, and the pair of engaging claws can be elastically deformed from the pair of frame side surface portions. It can be easily removed.

In the door roller of the present invention, the door roller frame includes an outer frame fixed to the shoji and an inner frame attached so as to be vertically adjustable with respect to the outer frame, and the inner frame is the said. It has a pair of frame side surface portions, the wheels are pivotally supported by the inner frame, and the outer frame is a pair to which the pair of frame side surface portions are rotatably attached via connecting pins. The outer frame side surface portion and the outer frame upper surface portion connecting the pair of outer frame side surface portions are provided, and the inner frame connects the pair of frame side surface portions and the outer frame upper surface portion. The guide member may be arranged at a position away from the wheel and the connecting pin, and has an inner frame connecting portion in which a height adjusting screw abutting on the wheel is screwed.
According to such a configuration, it is possible to configure a pivot type door roller that adjusts the height position of the wheel or the guide member by rotating the inner frame with respect to the outer frame by the rotation of the height adjusting screw. Even in the configured door roller, the guide member can be used properly depending on whether it is attached to the inner frame or removed. Further, since the guide member is arranged at a position farther from the connecting pin than the wheel, for example, as compared with the case where the guide member is arranged at a position closer to the connecting pin than the wheel, the rotation of the inner frame with respect to the outer frame The guide member can be greatly moved up and down by the movement. For this reason, for example, when the shoji is lifted, the guide member is greatly lowered downward, so that the shoji can be further prevented from coming off the rail.

According to the present invention, it is possible to provide a door roller that can improve versatility.

The perspective view which shows disassembled the door roller which concerns on embodiment of this invention. The side view which shows the door roller which concerns on the said embodiment. The plan view which shows the door roller which concerns on the said Embodiment. Explanatory drawing which shows the guide member of the door roller which concerns on the said embodiment. Explanatory drawing which shows the use state of the door roller which concerns on the said embodiment.

[Structure of this embodiment]
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
In FIGS. 1 to 3, the door roller 1 according to the present embodiment is used for fittings such as a sliding window provided with a window frame and an outer sash and an inner sash, and includes an outer frame 2 and an inner frame 3. It includes a shoji frame 10, wheels 4, and a guide member 5.
In the following description, the front-rear direction of the door roller 1 is the X-axis direction, the vertical direction of the door roller 1 is the Y-axis direction, and the width direction (expected direction) of the door roller 1 is the Z-axis direction. The X, Y, and Z axis directions are orthogonal to each other.

The outer frame 2 is made of metal and has a pair of outer frame side surface portions 21 and 22 facing each other in the Z-axis direction and an outer frame upper surface portion 23 connecting the upper edges of the outer frame side surface portions 21 and 22. There is. A shaft hole 24 through which the connecting pin 6 is inserted is formed on the front end side (one end side in the X-axis direction) of the outer frame side surface portions 21 and 22, and the rear end side (X axis) of the outer frame side surface portions 21 and 22 is formed. An inner protrusion 25 protruding inward in the Z-axis direction is formed on the rear end side in the direction), and the shaft portion of the height adjusting screw 8 described later can be visually recognized on the upper portion of the inner protrusion 25. A side hole 26 is formed. Further, in the middle portion of the lower edges of the outer frame side surface portions 21 and 22 in the X-axis direction, a concave recess 27 is formed. An upper hole 28 into which a tool such as a radio pen can be inserted is formed in the middle portion of the upper surface portion 23 of the outer frame in the X-axis direction. The upper hole 28 is also provided as a relief hole for the wheel 4 by being located above the wheel 4.

The inner frame 3 is made of metal, and the inner frame connecting portion 33 connecting the pair of inner frame side surface portions 31, 32 (frame side surface portions) facing each other in the Z-axis direction and the upper edges of the inner frame side surface portions 31, 32. , 34 and.
A shaft hole 35 through which the connecting pin 6 is inserted is formed on the front end side (one end side in the X-axis direction) of the inner frame side surface portions 31 and 32, and the rear end side (X axis) of the inner frame side surface portions 31 and 32. A fitting recess 36 into which the positioning protrusions 58 and 59 described later are fitted is formed on the lower edge on the other end side in the direction), and the upper edge on the rear end side of the inner frame side surface portions 31 and 32 is formed. An engaging recess 37 with which the engaging claws 54 and 55, which will be described later, are engaged is formed, and a shaft pin 7 for pivotally supporting the wheel 4 is provided at the intermediate portion of the inner frame side surface portions 31 and 32 in the X-axis direction. It is attached. The inner frame connecting portion 33 connects the upper edges of the inner frame side surface portions 31 and 32 at positions on the rear end side of the shaft hole 35 and on the front end side of the shaft pin 7, and the inner frame connecting portion 34 Connects the upper edges of the inner frame side surface portions 31 and 32 to each other at a position on the rear end side of the inner frame side surface portions 31 and 32 with respect to the engaging recess 37. A height adjusting screw 8 is screwed into the inner frame connecting portion 34, and the tip of the shaft portion of the height adjusting screw 8 abuts on the outer frame upper surface portion 23 as shown in FIG. Further, the inner frame connecting portion 34 is arranged above the inner protrusion 25, and when the inner frame connecting portion 34 comes into contact with the inner protrusion 25, the inner frame 3 excessively protrudes from the outer frame 2. It is configured to prevent this.

The guide member 5 is made of resin, and as shown in FIG. 4, the guide main body portion 50 having the rail guide groove 51 formed at the lower end portion and the pair of elastic piece portions 52 extending upward from the guide main body portion 50, 53, engaging claws 54, 55 and knobs 56, 57 formed on the upper ends of the elastic pieces 52, 53, respectively, and a pair of positioning protrusions 58, 59 protruding laterally from the guide main body 50. have. In the present embodiment, the engaging portion 70 that engages with the door roller frame 10 is configured by the elastic piece portions 52, 53 and the engaging claws 54, 55.
The guide main body 50 has an upper surface 501, a lower surface 502, a front surface 503, a rear surface 504, and a pair of side surfaces 505 and 506, and is formed in a substantially rectangular parallelepiped shape. The rail guide groove 51 described above is formed on the lower surface 502 in the X-axis direction. It is formed along. Further, the lower surface 502 has an inclined surface 502A inclined diagonally upward from the front end side to the rear end side in the X-axis direction of the door roller 1.
The elastic piece portion 52 extends upward from the upper surface 501 of the guide main body portion 50, and its width dimension along the X-axis direction is the same as the width dimension of the side surface 505. Further, the length dimension L1 of the elastic piece portion 52 in the Y-axis direction is shorter than the vertical dimension L2 in the Y-axis direction from the fitting recess 36 of the inner frame side surface portion 31 to the engaging recess 37. Since the elastic piece portion 53 is formed in substantially the same manner as the elastic piece portion 52, the description thereof will be omitted. The side surface 505 of the guide main body 50 and the side surface 521 of the elastic piece 52 form a contact side surface 61 that abuts on the inner surface of the inner frame side surface 31, and the side surface 506 of the guide main body 50 and the elastic piece 53. The side surface 531 constitutes a contact side surface 62 that abuts on the inner surface of the inner frame side surface portion 32.
The engaging claw 54 protrudes outward in the Z-axis direction from the side surface 521 of the elastic piece portion 52, is continuous with the hanging surface 65 hung on the engaging recess 37, and is continuous with the hanging surface 65 and in the X-axis direction. It has an inclined surface 66 inclined from the outside to the inside. The engaging claw 55 protrudes outward in the Z-axis direction from the side surface 531 of the elastic piece portion 53, and has a hanging surface 65 and an inclined surface 66 like the engaging claw 54. The protruding directions of the engaging claws 54 and 55 are opposite.
The grip portion 56 is provided adjacent to the engaging claw 54, the grip portion 57 is provided adjacent to the engaging claw 55, and the grip portions 56 and 57 are located on the front surface 503 side and are engaged. The joint claws 54 and 55 are located on the rear surface 504 side. The grips 56 and 57 are formed in a substantially L-shaped cross section, and the rising portion of the grip 56 is arranged at a position closer to the elastic piece 53 side from the elastic piece 52, and the rising portion of the grip 57 rises. The portion is arranged at a position closer to the elastic piece portion 52 side from the elastic piece portion 53.
The positioning protrusion 58 projects from the side surface 505 of the guide main body 50 in the Z-axis direction, and is located above the horizontal protrusion 63 that abuts on the lower edge of the inner frame side surface portion 31 and the horizontal protrusion 63. It also has a fitting convex portion 64 that fits into the fitting concave portion 36 of the inner frame side surface portion 31. Since the positioning protrusion 59 is formed in substantially the same manner as the positioning protrusion 58, the description thereof will be omitted.

The above door roller 1 is used as shown in FIG. In FIG. 5A, the door roller 1 is mounted on a groove portion 12 having a substantially U-shaped cross section in the lower frame 11 of the shoji screen, and can move along the rail 14 of the window frame 13.
In FIG. 5A, the outer frame 2 of the door roller 1 is fixed to the lower stile 11, and the wheel 4 is mounted on the rail 14. A guide member 5 is attached to the door roller 1, and a rail 14 is arranged in the rail guide groove 51. The guide member 5 prevents the wheel 4 from falling off from the rail 14 and the shoji from coming off.
Here, the guide member 5 is attached to the inner frame 3 by inserting the guide member 5 from the lower side to the upper side of the inner frame 3. Specifically, as shown in FIG. 1, first, the engaging claws 54, 55 and the grips 56, 57 are inserted from below between the inner frame side surface portions 31, 32. At this time, the engaging claws 54 and 55 slide between the inner frame side surface portions 31 and 32 while the inclined surface 66 hits the lower edges of the inner frame side surface portions 31 and 32, and the elastic piece portions 52 and 53 are in the Z-axis direction. Elastically deforms in the direction of approaching each other. Subsequently, the elastic piece portions 52 and 53 are inserted between the inner frame side surface portions 31 and 32, and further, the portion of the guide main body portion 50 above the positioning protrusions 58 and 59 is inserted between the inner frame side surface portions 31 and 32. insert. Next, while inserting the guide member 5 into the inner frame 3, the fitting convex portion 64 of the positioning protrusions 58 and 59 is fitted into the fitting concave portion 36 of the inner frame side surface portions 31 and 32. When the lateral protrusions 63 of the positioning protrusions 58 and 59 abut on the lower edges of the inner frame side surfaces 31, 32, the engaging claws 54 and 55 engage with the engagement recesses 37 of the inner frame side surfaces 31 and 32. By doing so, the guide member 5 is attached to the inner frame 3. At this time, the pair of contact side surfaces 61 and 62 abut on the inner surfaces of the inner frame side surface portions 31 and 32, respectively, and the rising portions of the grip portions 56 and 57 are Z-axis with respect to the inner surfaces of the inner frame side surface portions 31 and 32. Arranged at intervals in the direction.
A force in the Y-axis direction in which the engaging claws 54 and 55 disengage from the engaging recess 37 is not applied to the guide member 5 attached to the inner frame 3 in this way when the wheel 4 is mounted on the rail 14. .. Further, since the guide main body 50 is sandwiched between the inner frame side surface portions 31 and 32, the rail 14 hits the guide member 5 due to the swing in the prospective direction of the shoji, and a force in the Z-axis direction is applied to the guide member 5. Even if the guide member 5 is held, the guide member 5 is held by the inner frame 3, so that the force in the Z-axis direction can be received.

The rail 14 shown in FIG. 5B has a larger thickness dimension T than the rail 14 shown in FIG. 5A, and when the rail 14 is to be arranged in the rail guide groove 51 of the guide member 5. , The guide member 5 interferes with the rail 14. Therefore, the door roller 1 with the guide member 5 removed from the inner frame 3 is attached to the lower stile 11. The guide member 5 is removed as follows. First, a needle-nose pliers as a tool is inserted into the upper hole 28 of the outer frame 2 shown in FIGS. Insert it between the inner frame side surface portions 31 and 32. Next, the knobs 56 and 57 are pinched by the needle-nose pliers and brought close to each other. As a result, the elastic piece portions 52 and 53 are also elastically deformed so as to approach each other, and the engaging claws 54 and 55 are removed from the engaging recess 37. Finally, the guide member 5 is pulled downward from the inner frame 3. In this way, the guide member 5 is removed from the inner frame 3.
An airtight material 16 having a shape different from that of the airtight material 15 shown in FIGS. 5 (A) and 5 (B) is attached to the lower stile 11 shown in FIG. 5 (C), and the airtight material 16 is used as a guide member. It is in a position that interferes with 5. Therefore, as described above, the door roller 1 with the guide member 5 removed from the inner frame 3 is attached to the lower stile 11.

[Effect of this embodiment]
(1) In the present embodiment, since the guide member 5 can be attached to and detached from the door roller frame 10, the door roller 1 can be used properly depending on whether the guide member 5 is attached to or removed from the door roller frame 10 as described above. .. For example, by arranging the rail 14 in the rail guide groove 51 with the guide member 5 attached, it can function as a wheel chock prevention or a shoji slip prevention (see FIG. 5A). Further, for example, when the thickness dimension of the rail 14 such as an existing window is large and the guide member 5 interferes with the rail 14 (see FIG. 5B), or when the airtight material 16 provided on the shoji or the like is used. When the guide member 5 interferes (see FIG. 5C), the door roller 1 can be used without the above-mentioned interference by removing the guide member 5. As described above, the door roller 1 of the present embodiment is made more versatile by making the guide member 5 removable.
(2) Since the guide main body 50 abuts on the inner surfaces of the pair of inner frame side surface portions 31 and 32 in the mounted state of the door roller 1, for example, only the elastic piece portions 52 and 53 hit the pair of inner frame side surface portions 31 and 32. Compared to the case of contact, even if the shoji swings in the prospective direction with respect to the rail 14 and a force in the Z-axis direction is applied to the guide member 5, the guide main body portion 50 is held by the inner frame side surface portions 31 and 32. By doing so, you can receive the power.
(3) The engaging portion 70 is a pair of elastic piece portions 52, 53 extending upward from the guide main body portion 50, and a pair of inner frame side surfaces formed at the upper ends of the elastic piece portions 52, 53, respectively. It has engaging claws 54 and 55 that engage with the portions 31 and 32. Therefore, since the elastic piece portions 52 and 53 are elastically deformed, the engaging claws 54 and 55 can be easily inserted between the inner frame side surface portions 31 and 32 in order to attach the guide member 5 to the inner frame 3. On the other hand, by elastically deforming the elastic piece portions 52, 53 by pushing the engaging claws 54, 55 in order to remove the guide member 5 from the inner frame 3, the inner frame side surface portions 31, of the engaging claws 54, 55, The engagement with 32 can be easily disengaged.
(4) Since the positioning protrusions 58, 59 abut on the inner frame side surface portions 31, 32, the engaging claws 54, 55 are placed on the inner frame side surface portions 31, while positioning the vertical positions of the guide member 5 with respect to the inner frame 3. It can be engaged with the upper edge of 32. Further, since the engaging claws 54 and 55 engage with the upper edges of the inner frame side surface portions 31 and 32 in this way, for example, the engaging claws 54 and 55 are formed in the inner frame side surface portions 31 and 32. The engaging claws 54 and 55 can be easily removed from the inner frame side surface portions 31 and 32 as compared with the configuration in which the engaging claws 54 and 55 are engaged.
(5) The pair of grips 56 and 57 formed on the upper ends of the pair of elastic piece portions 52 and 53 are attached to the inner frame 3 of the guide member 5 with respect to the inner frame side surface portions 31 and 32, respectively. Since they are arranged at intervals, the elastic pieces 52 and 53 can be elastically deformed in the direction of approaching each other by holding the knobs 56 and 57 with tools such as fingers and needle-nose pliers. The pliers 54 and 55 can be easily removed from the inner frame side surface portions 31 and 32.
(6) The door wheel frame 10 includes an outer frame 2 and an inner frame 3 attached so as to be vertically adjustable with respect to the outer frame 2, and the inner frame 3 is a pair of inner frame side surface portions 31, 32. The wheel 4 is pivotally supported by the inner frame 3, and the inner frame side surface portions 31 and 32 are rotatably attached to the outer frame side surface portions 21 and 22 via the connecting pin 6. Therefore, the pivot type door roller 1 that adjusts the height position of the wheel 4 and the guide member 5 can be configured by rotating the inner frame 3 with respect to the outer frame 2 by the rotation of the height adjusting screw 8. Even in the door roller 1 configured in the above, the guide member 5 can be used properly depending on whether it is attached to the inner frame 3 or removed. Further, since the guide member 5 is arranged at a position farther from the connecting pin 6 in the X-axis direction than the wheel 4, for example, when the guide member 5 is arranged at a position closer to the connecting pin 6 than the wheel 4. In comparison, the guide member 5 can be largely moved up and down by rotating the inner frame 3 with respect to the outer frame 2. Therefore, for example, when the shoji is lifted, the guide member 5 is greatly lowered downward, so that the shoji can be further prevented from coming off the rail 14.

[Modification example]
In the above embodiment, the engaging claws 54 and 55 engage with the engaging recess 37 formed on the upper edges of the inner frame side surface portions 31 and 32, but for example, the engaging claws 54 and 55 are engaged with the inner frame side surface portions 31 and 32. It may engage in the hole. With such a configuration, the configuration of the positioning protrusions 58 and 59 may be omitted if the guide member 5 is in a state of use in which almost no force is applied in the Y-axis direction or the X-axis direction.
In the above embodiment, the grips 56 and 57 are formed at the upper ends of the elastic pieces 52 and 53 so that the engaging claws 54 and 55 can be easily disengaged. For example, the engaging claw 54 When the engagement is disengaged by directly pushing the fingers, 55 so as to approach each other with a finger or the like, the knobs 56 and 57 are not used, and these configurations may be omitted.
In the above embodiment, the pivot type door roller 1 in which the inner frame 3 is rotatably attached to the outer frame 2 is configured, but in addition, the inner frame 3 and the wheels 4 can slide up and down with respect to the outer frame 2. A slide type door wheel that can be attached may be configured.
In the above embodiment, the door roller frame 10 including the outer frame 2 and the inner frame 3 whose vertical position can be adjusted with respect to the outer frame 2 is configured, but the height position of the wheel 4 is adjusted to the door roller 1. When it is not necessary to configure the mechanism to be used, the configuration of the inner frame 3 may be omitted and the outer frame 2 may be used as the door wheel frame 10. In this case, the wheel 4 is pivotally supported by the outer frame 2, the engaging portion 70 of the guide member 5 is engaged with the outer frame 2, and the guide main body portion 50 is on the inner surface of the outer frame side surface portions 21 and 22 of the outer frame 2. Contact.
Further, as described above, when the inner frame 3 is not provided, the guide member 5 is attached to the engaging portion 70 composed of the elastic piece portions 52, 53 extending upward from the guide main body portion 50 and the engaging claws 54, 55. Alternatively, for example, the guide main body portion 50 may have an engaging portion formed laterally in the X-axis direction. In this case, the guide member 5 may be configured to be slid-inserted in the X-axis direction between the outer frame side surface portions 21 and 22 of the outer frame 2 so that the engaging portion engages with the outer frame 2.
In the above embodiment, the positioning protrusions 58 and 59 are formed so as to project from the guide main body 50 and come into contact with the lower edges of the inner frame side surface portions 31, 32, but the present invention is not limited to this, and for example, the inner portion is formed. A recess or a hole may be formed on the inner surface of the frame side surface portions 31 and 32, and may have a positioning protrusion arranged at a position where the recess or the hole is fitted, or the inner frame side surface portion 31 may have a positioning protrusion. , 32, a positioning protrusion may be formed on the inner surface thereof, and a recess or a hole fitted to the positioning protrusion may be formed in the guide main body 50.
The door roller 1 according to the embodiment may be mounted on a screen door or the like, in addition to a shoji screen that can slide in the left-right direction.

1 ... door wheel, 10 ... door roller frame, 11 ... lower frame, 12 ... groove, 13 ... window frame, 14 ... rail, 15, 16 ... airtight material, 2 ... outer frame, 21,22 ... outer frame side surface, 23 ... Outer frame upper surface, 24, 35 ... Shaft hole, 25 ... Inner protrusion, 26 ... Side hole, 27 ... Recess, 28 ... Upper hole, 3 ... Inner frame, 31, 32 ... Inner frame side surface, 33, 34 ... Inner frame connecting portion, 36 ... fitting recess, 37 ... engaging recess, 4 ... wheel, 5 ... guide member, 50 ... guide body, 501 ... top surface, 502 ... bottom surface, 502A, 66 ... inclined surface, 503 ... front surface , 504 ... rear surface, 505, 506 ... side surface, 51 ... rail guide groove, 52, 53 ... elastic piece part, 521, 531 ... side surface, 54, 55 ... engaging claw, 56, 57 ... knob part, 58, 59 ... Positioning protrusions, 6 ... connecting pins, 61, 62 ... contact side surfaces, 63 ... horizontal protrusions, 64 ... fitting protrusions, 65 ... hanging surfaces, 7 ... shaft pins, 70 ... engaging parts, 8 ... height Adjusting screw, L1 ... length dimension, L2 ... vertical dimension, T ... thickness dimension.

Claims (3)

It is a door car that is attached to a shoji and can move on rails.
It is provided with a door roller frame fixed to the shoji, wheels pivotally supported by the door roller frame, and a guide member that can be attached to and detached from the door roller frame.
The door roller frame has a pair of frame side surface portions connected to each other.
The guide member includes a guide main body portion having a rail guide groove formed at the lower end portion and the door roller frame.
Has an engaging part that engages with
The guide main body portion is configured to abut on the inner surface of the pair of frame side surface portions in a state where the engaging portion is engaged with the door roller frame.
The engaging portion engages with a pair of elastic piece portions extending upward from the guide main body portion and a pair of elastic piece portions formed at the upper ends of the pair of elastic piece portions and engaging with the pair of frame side surface portions. It has a joint claw and
The pair of engaging claws are configured to be engageable with the upper edge of the pair of frame side surface portions.
A door roller characterized in that one of the guide main body portion and the door roller frame is formed with a positioning protrusion that abuts on the other. It is a door car that is attached to a shoji and can move on rails.
It is provided with a door roller frame fixed to the shoji, wheels pivotally supported by the door roller frame, and a guide member that can be attached to and detached from the door roller frame.
The door roller frame has a pair of frame side surface portions connected to each other.
The guide member has a guide main body portion in which a rail guide groove is formed at a lower end portion, and an engaging portion that engages with the door roller frame.
The guide main body portion is configured to abut on the inner surface of the pair of frame side surface portions in a state where the engaging portion is engaged with the door roller frame.
The engaging portion engages with a pair of elastic piece portions extending upward from the guide main body portion and a pair of elastic piece portions formed at the upper ends of the pair of elastic piece portions and engaging with the pair of frame side surface portions. It has a joint claw and
A knob is formed at the upper end of the pair of elastic pieces.
The pair of knobs is a door roller, characterized in that the guide member is attached to the door roller frame and is arranged at a distance from each of the pair of frame side surface portions. In the door roller according to claim 1 or 2 .
The door roller frame includes an outer frame fixed to the shoji and an inner frame attached so as to be vertically adjustable with respect to the outer frame.
The inner frame has the pair of frame side surface portions.
The wheel is pivotally supported by the inner frame and is supported by the inner frame.
The outer frame has a pair of outer frame side surface portions to which the pair of frame side surface portions are rotatably attached via a connecting pin, and an outer frame upper surface portion connecting the pair of outer frame side surface portions. And
The inner frame has an inner frame connecting portion that connects the pair of frame side surface portions and is screwed with a height adjusting screw that abuts on the outer frame upper surface portion.
The door roller is characterized in that the guide member is arranged at a position farther from the connecting pin than the wheel.

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