JP3019600U - French drop bracket - Google Patents

Abstract

(57) [Summary] [Purpose] To smoothly fit the appearance and disappearance shaft of France. [Structure] A French dropping body 3 attached to the lower end or the upper end of the door 6 on the free end side, and the French dropping body 3 on the floor surface or the door at the closed or open position of the door 6.
In a French drop configured by a receiver 2 attached at a position corresponding to, the receiver 2 is a thin metal plate 1 formed with a tapered cylindrical portion 11 and a mounting screw insertion hole 12 by drawing, and the plate 1 of the plate 1. It is composed of a receiving piece made of synthetic resin, which is rotatably and tightly fitted to the tapered cylindrical portion 11 and has a hole 41 into which the tip of the slide shaft 31 of the French dropping body 3 is fitted at an eccentric position. An engaging portion 43 for engaging a rotary tool is formed on the end surface on the large diameter side of 4,
On the small diameter side peripheral surface of the receiving piece 4, the tapered cylindrical portion of the plate 1 is provided.
A retaining piece (44) that catches on (11) and defines retaining from the tapered cylindrical portion (11) is provided.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a French drop receiver that can hold a door in a closed position or an open position and in which a retractable shaft is fitted.

[0002]

[Prior Art and Problems to be Solved]

 France drop is installed at the corresponding position between the flange drop body attached to the lower end or the upper end of the open / closed end of the door and the floor surface at the closed or open position of the door or the above-mentioned franc drop body. It is composed of a receiving device. The receiver has a hole that fits the slide shaft of the French dropper. In France, which is for outdoor use, there are many cases in which a receiving hole is not provided and a receiving hole is directly formed on the concrete floor.

As shown in FIG. 5, a conventional receiving member is formed by forming a through-hole (13) at the center of a substantially rectangular plate (1) and screw insertion holes (12) and (12) at both ends. There is. A long hole is opened in advance on the floor, and the long hole and the long hole (13) of the plate (1) are aligned with each other, and the plate (1) is screwed to the floor. Within the range of the long hole (13), the misalignment between the slide shaft (31) of the French dropper and the plate (1) can be allowed. In the case of the above-mentioned receiving member, the inside of the hole on the floor can be seen through the long hole (13) of the plate (1), which is unattractive.

Therefore, the receiving tool (2) shown in FIGS. 3 and 4 is implemented. The receiving member (2) has a straight tube portion (10) projecting in the center and screw insertion holes (12) (12) at both ends, and is formed on the straight tube portion (10) of the plate (1). The receiving piece (4) is rotatably press-fitted, and a bearing hole (41) is opened at an eccentric position of the receiving piece (4). When the coin is fitted into the groove-shaped engaging part (43) formed on the upper end surface of the receiving piece (4) and rotated, the hole (41) can be eccentrically rotated, so that the French dropping body (3) appears and disappears. It is possible to eliminate the deviation of the mounting error between the slide shaft (31) and the receiving member (2).

However, since the plate (1) and the straight tubular portion (10) are integrally molded of synthetic resin, the thickness of the plate (1) needs to be about 2 mm in order to obtain the required strength. If the thickness of the plate (1) is about 2 mm, the recessed step (72) is formed on the floor surface (7) so that the plate (1) cannot be submerged on the floor surface (7). The lower end collides with the plate (1). The submerged stepped portion (72) is processed with a chisel of a carpenter's tool, but it takes time and effort to shave the floor surface beautifully and horizontally within the area where the plate (1) fits. I hate it.

Further, the receiving piece (4) is also made of synthetic resin, and can be rotated around the straight cylindrical portion (10) of the synthetic resin plate (1) by using a rotary tool such as a coin. However, in order to press fit the shaft (31) so that it does not rotate when it hits the shaft (31), the outer diameter of the receiving piece (4) and the inner diameter of the straight tube (10) require high accuracy, and It is difficult to obtain high precision with the molded products of. The present invention clarifies a French drop receiver that can solve the above problems.

[0007]

[Means for solving the problem]

 The present invention comprises a French dropping body (3) attached to a lower end or an upper end of a door (6), and a French dropping body (3) on a floor surface or a door in a closed or open position of the door (6). In France, which is composed of the receiving device (2) attached to the corresponding position, the receiving device (2) is thin and has a tapered cylindrical part (11) and a mounting screw insertion hole (1 2) formed by drawing. The metal plate (1) and the tapered cylindrical portion (11) of the plate (1) are rotatably and tightly fitted, and the tip of the slide shaft (31) of the France drop body (3) is fitted at the eccentric position. It is constituted by a truncated cone-shaped synthetic resin receiving piece (4) having a round hole (41). The large diameter side end surface of the receiving piece (4) has an engaging portion for engaging a rotary tool. (43) is formed, and on the small-diameter side peripheral surface of the receiving piece (4), the tapered cylindrical portion (11) is hooked on the reduced-diameter side edge of the tapered cylindrical portion (11) of the plate (1) ( A retaining piece (44) is provided to project from the 11).

[0008]

[Action and effect]

 Since the metal plate (1) can obtain the necessary strength even if it is thin, it is not necessary to process the recessed stepped part to drop the plate (1) on the floor surface or the duck when installing the receiver (2). Becomes Of course, it is necessary to machine the mounting hole (71) into which the tapered cylindrical part (11) of the plate (1) is fitted, but since the mounting hole (71) is completely hidden by the plate (1), it is rough. It can be processed, does not require skill, and can be done easily. The fitting between the tapered cylindrical portion (11) of the plate (1) and the frustoconical synthetic resin receiving piece (4) is a taper fitting, so that the conventional straight cylindrical portion and the straight receiving piece (4) It is easier to manufacture the plate (1) and the receiving piece (4) than the fitting of () because it requires more precision and coarseness.

A retaining piece (44) is projectingly provided on the small diameter side peripheral surface of the receiving piece (4), which resists press-fitting into the tapered tubular portion (1 1), but the receiving piece (4) Also, since the cylindrical part (11) is tapered, the same strong press-in resistance does not act from the beginning to the end, but strong resistance acts only toward the end, and the retaining piece (44) is tapered. After passing through the tubular portion (11), it elastically returns and is hooked on the tip edge of the tapered tubular portion (11), so that assembly is easy. However, since the tapered tubular part (11) is made of a thin metal plate and the receiving piece (4) is made of synthetic resin, they are elastically deformed to each other when press-fitting, which facilitates assembly. You can

[0010]

【Example】

 As shown in Fig. 1, the plate (1) of the French drop receiver (2) is formed by drawing a thin stainless steel plate having a width of 19 mm, a length of 44 mm and a thickness of 0.8 to 1.0 mm at the center. A tapered cylindrical portion (11) whose tip has a reduced diameter is formed, and screw insertion holes (12) (12) are opened at both ends of the plate. The inner diameter of the large diameter portion of the tapered cylindrical portion (11) is 15 mm, and the inner diameter of the small diameter portion is 14 mm. The length of the tapered cylindrical portion (11) is 4-5 mm. The screw insertion hole (12) is a tapered hole so that the head of a flat head screw sinks.

A truncated cone-shaped synthetic resin receiving piece (4) is press-fitted into the tapered cylindrical portion (11) of the plate (1) and is rotatably fitted when a strong rotational force is applied. The large-diameter end surface of the receiving piece (4) is substantially aligned with the plate surface of the plate (1), and the small-diameter end surface is projected about 1 mm from the tip of the tapered cylindrical portion (11), and the tapered cylindrical portion is formed on the outer circumference of the protruding end. A plurality of retaining pieces (44) (44) hooked on the tip of (11) are provided in a protruding manner. Further, the receiving piece (4) is provided with a hole (41) having a diameter of about 9 mm at a position eccentric by 3 mm, and the hole edge on the large diameter side of the receiving piece (4) is chamfered (42). A groove-shaped engaging portion (43) is formed on the diameter side end face on the diameter line.

However, on the floor surface at the closed position of the door (6), corresponding to the retractable slide shaft (31) of the French dropping body (3) attached to the lower end of the door (6), the receiving member (2) is attached. Open a mounting hole (71) into which the tapered tubular portion (11) fits. The tapered cylindrical portion (11) is fitted into the mounting hole (71), and the plate (1) is fixed with screws (5) and (5). Close the door (6), lower the retractable slide shaft (31) of the France drop body (3), and check the fitting state of the receiving piece (4) into the hole (41). When the retractable slide shaft (31) is caught on the edge of the hole and does not fall into the hole (41) smoothly, the coin is engaged with the engaging portion (43) of the receiving piece (4) and rotated with a strong force. The receiving piece (4) rotates and the hole (41) is misaligned. It suffices to turn the receiving piece (4) until the slide shaft (31) is smoothly dropped into the hole (41).

Since the metal plate (1) can obtain the necessary strength even if it is thin, when the receiving member (2) is attached, a submerged stepped portion for dropping the plate (1) on the floor surface or the duck is provided. No processing is required. Of course, it is necessary to machine the mounting hole (71) into which the tapered cylindrical part (11) of the plate (1) is fitted, but since the mounting hole (71) is completely hidden by the plate (1), it is rough. It can be processed, does not require skill, and can be done easily.

Since the fitting of the tapered tubular portion (11) of the plate (1) and the receiving piece (4) made of synthetic resin is taper fitting, the conventional straight tubular portion and the straight receiving piece (4) are Compared with the fitting of 4), it is necessary to make the plate rough and precise, so that it is easy to manufacture the plate 1 and the receiving piece 4.

The receiving member (2) of the present invention can be installed at a position corresponding to the French dropping body (3) at the opening position of the door (6) to hold the door (6) open. Of course. In addition, the French dropper (3) is often installed on the upper end of the door (6), but in this case, the receiver (2) may be attached to the duck. The present invention is not limited to the configuration of the above embodiment, and various modifications can be made within the scope of the utility model registration request.

[Brief description of drawings]

FIG. 1 is a perspective view of a receiver.

FIG. 2 is a cross-sectional view of the receiver in an attached state.

FIG. 3 is a plan view of a receiver.

FIG. 4 is a sectional view of a conventional example.

FIG. 5 is a perspective view of another conventional example.

[Explanation of symbols]

 (1) Plate (11) Tapered cylindrical part (2) Receiving device (3) France drop body (4) Receiving piece (41) Hole (43) Engaging part

Claims (1)

[Scope of utility model registration request] 1. A French dropping body (3) attached to a lower end or an upper end of a door (6), and a French dropping body (3) on a floor surface or a duck at a closed position or an open position of the door (6). In a French drop configured with a receiver (2) attached at a corresponding position, the receiver (2) is a thin metal plate having a tapered cylindrical portion (11) and a mounting screw insertion hole (12) formed by drawing. (1) and the tapered cylindrical part (11) of the plate (1) are rotatably and tightly fitted to each other, and the tip end of the slide shaft (31) of the France drop body (3) is fitted in the eccentric position. (41) is formed by a truncated cone-shaped synthetic resin receiving piece (4), and an engaging portion (43) for engaging a rotary tool is formed on the large-diameter side end surface of the receiving piece (4). Then, on the small diameter side peripheral surface of the receiving piece (4), the tapered cylindrical portion (11) is caught by the edge of the tapered cylindrical portion (11) of the plate (1) on the reduced diameter side. Pivot bracket of dropping France retaining Luo El retainer pieces (44) are projected.