JPH04119609U - band fastener - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a band tightening tool for a utility pole band, etc., with a simple structure, flat and thin structure, and to easily and reliably tighten and fix the band in a tensioned state. [Structure] One end of the main body metal fitting 1 and the presser metal fitting 2 are connected in an openable and closable manner with a shaft pin 3, and a band latching hole 10 is provided for latching one end B1 of the band B to the main body metal fitting 1, and the other end B2 of the band B is connected to the main body metal fitting 1 so as to be openable and closable. A band winding part 11 to be wound is provided, and a locking member 4 for fixing the band B wound around the band winding part 11 by sandwiching it between the band winding part 11 is rotated around the shaft pin 3. A substantially U-shaped guide groove 12 that bends the middle part of the band B when the presser metal fitting 2 is closed against the main body metal fitting 1, and a protrusion that pushes the band B into the guide groove 12. A piece 22 is provided facing the main body fitting 1 and the presser metal fitting 2, and engagement uneven portions 13 and 23 for holding the presser metal fitting 2 in a closed state in the main body fitting 1 are provided on the main body metal fitting 1 and the presser metal fitting 2. It is characterized by being provided facing the.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention fixes cables, conduit tubes, or protective plates, etc., to the circumferential surface of utility poles, for example. So-called utility pole vans used when installing support brackets for advertisements, street lights, etc. The present invention relates to a band tightening tool for tightening and fixing various flexible bands such as bands.

0002

[Conventional technology]

Various band fasteners of this type have been proposed in the past, such as a book with a U-shaped cross section. A band winding shaft is rotatably provided between the opposite side plates of the body metal fitting, and the band winding shaft is opposite to the band winding shaft. A ratchet mechanism for preventing reverse rotation is interposed between the side plate and the side plate. Then wrap it around a telephone pole etc. Insert one end of the band into the band latching hole formed on the main body metal fittings and fold it back to prevent it from falling out. There is a known method in which the band is hooked, the other end of the band is wound up on the winding shaft, and the band is tightened and fixed. (For example, see Japanese Utility Model Publication No. 17029/1983 proposed by the present applicant). Alternatively, the main body metal fitting having a U-shaped cross section and the band holding metal fitting are connected with a shaft so that they can be opened and closed. Hook one end of the band into the band hooking hole formed on the main body metal fittings in the same way as above, and then Wrap the other end around the shaft and hook it to the free end of the presser metal fitting, and then attach the presser metal fitting to the main body. Fold it back while pulling the other end of the band by closing it against the body metal fittings. While tightening the band, hold down the other end of the band and tighten the free ends of the metal fitting and main body metal fitting. Something that is fixed between the parts (for example, Utility Model Publication No. 50-40757 proposed by the present applicant) (see Publication No. 1), etc. are known.

0003

[Problem that the idea aims to solve]

However, like the former, those equipped with a band winding shaft, ratchet mechanism, etc. It is complicated, requires many parts and assembly man-hours, and has the disadvantage of increasing manufacturing costs. Bang again In order to provide a take-up shaft, ratchet mechanism, etc., the height dimension perpendicular to the band must be increased. For example, when installed on a utility pole, it may protrude significantly from the circumference of the pole and become a nuisance. There are problems such as. On the other hand, as in the latter case, wrap the other end of the band around the opening/closing shaft of the presser fitting relative to the main body fitting. When closing the presser foot, pull the band back and fold it back to close the presser foot and the main body. For items that are fixed between the metal fittings, the other end of the above band must be securely fixed. There was a risk that the band would come loose. Also, increase the diameter of the shaft. The more the band is pulled, the more the band is pulled, increasing the tightening force. There is a problem that the protrusion height from the surrounding surface increases.

0004 This invention was proposed in view of the above problems, and has a simple structure, flat and thin design, Moreover, the band tightening method allows you to easily and reliably tighten and fix the band in a tensioned state. The purpose is to provide ingredients.

[0005]

[Means to solve the problem]

In order to achieve the above purpose, the band fastener according to the present invention has the following configuration. It is something that That is, one end of the main body metal fitting and the presser metal fitting are connected so as to be openable and closable with a shaft pin, and the above body metal fitting A band hanging hole for hanging one end of the band, and a band winding hole for wrapping the other end of the band. A hook part is provided, and the band wrapped around the band wrap part is placed between the band wrap part and the band wrap part. Rotatably attach the locking member to the above-mentioned shaft pin, and then attach the above-mentioned presser fitting to the main body. A roughly U-shaped guide groove that bends the middle part of the band when it is closed against the body fittings. and a protruding piece for pushing the band into the guide groove, facing the main body metal fitting and the holding metal fitting. an engaging uneven portion that holds the presser metal fitting in a closed state in the main body metal fitting. It is characterized in that it is provided facing the main body metal fitting and the presser metal fitting.

[0006]

[Effect]

With the band tightening tool configured as above, you can, for example, tighten a band wrapped around a utility pole. When tightening and fixing, insert one end of the band into the above band latching hole and fold it back. Hold the band between the main body metal fittings and the telephone pole, and wrap the other end of the band around the band wrapping part to lock it. Secure it by sandwiching it between the parts. In this state, close the presser metal fitting against the main body metal fitting. direction and push the middle part of the band into the guide groove while bending it with the protrusion. When the band is pulled together, the band becomes tense, and when the uneven portions are engaged, the band is pressed. The metal fitting is held in a closed state with respect to the main body metal fitting, as shown above. This is compatible with wrapping the other end of the band around the band wrapping part and securing it by sandwiching it between the band and the locking member. The band is bent into the guide groove and held in the pressed state by the protruding piece. By doing so, it becomes possible to reliably tighten and fix the band in a tensioned state.

[0007]

【Example】

Hereinafter, the present invention will be specifically explained based on embodiments shown in the drawings. Figure 1 is based on the present invention. FIG. 2 is a cross-sectional plan view showing one embodiment of the band fastener according to the present invention, and FIG. 2 is a front view thereof. In the figure, 1 is the main body metal fitting, 2 is the band holding metal fitting, and both metal fittings are The inner surface of both U-shaped metal fittings is It has a structure in which the sides face each other and one end is connected with a shaft pin 3 so that it can be opened and closed.

[0008] The main body fitting 1 has band latching holes 10 and 10 for latching one end B1 of the band B. and a band winding part 11 around which the other end B2 of the band B is wound. That bar In the case shown in the figure, a part of the bottom plate of the U-shaped main body fitting 1 is bent and cut. The band B, which is formed into an L-shaped surface and is wound around the band winding part 11, is wrapped around the band winding part 11. A locking member 4 which is sandwiched and fixed between the shaft pin 11 and the shaft pin 3 is rotatably attached to the shaft pin 3. ing. Reference numeral 21 denotes a lock formed on the bottom plate of the presser fitting 2 on the back side of the locking member 4. This is a cut-and-raised piece for fixing parts.

[0009] Furthermore, the main body metal fitting 1 has a substantially U-shaped guide groove 12 for bending the band B. The presser metal fitting 2 has protrusions 22 for pushing the band B into the guide groove 12. are provided integrally. The guide groove 12 and the protrusion 22 may be formed by appropriate means. However, the guide groove 12 in the illustrated example is formed by folding a part of the bottom plate of the U-shaped main body fitting 1 into a substantially U-shape. The projecting piece 22 is a part of the bottom plate of the U-shaped presser metal fitting 2. It is formed by cutting and raising it into an L-shape. In addition, it is good to provide multiple sets of the guide grooves 12 and protrusions 22 as necessary. In the embodiment, two sets are provided. In this case, the depth of the guide groove 12 is set as in the embodiment. It is possible to vary the In addition, in the above embodiment, the guide groove in the main body fitting 1 is 12, the protruding piece 22 was provided on the presser metal fitting 2, but the protruding piece was provided on the main body metal fitting 1 and the protruding piece on the presser metal fitting 2. A guide groove may also be formed.

0010 Furthermore, the main body metal fitting 1 and the presser metal fitting 2 have the presser metal fitting 2 enclosed in the main body metal fitting 1. This type is provided with an engaging uneven part to hold it in the open state, as shown in Fig. 3 (b) in the case of the figure. A convex portion 13 protruding outward is formed on the opposing side plates 1a, 1a of the U-shaped main body fitting 1. and a recess (opening) 23 that engages therewith is formed in the opposing side plates 2a, 2a of the presser metal fitting 2. This is what I did. Note that an inward convex portion is formed on the presser metal fitting 2, and a concave portion that engages with the inward convex portion is formed on the presser metal fitting 2. may be formed on the main body fitting 1.

[0011] In the above configuration, when tightening and fixing a utility pole band, etc., for example, use the method shown in Figure 4. As shown, pass one end B1 of the band B wrapped around the utility pole P through the band hooking hole 10. Fold it back and sandwich it between the main body metal fitting 1 and the utility pole P. Then, open the presser metal fitting 2. In this state, the other end B2 of the band B is passed over the guide groove 12 and attached to the band winding part 11. Wrap it around and pull it, put the locking member 4 on top of it and press it, and the locking member 4 and The band B is sandwiched and fixed between the band winding part 11 and the band winding part 11. At that time, the above band end If B2 protrudes outward to a large extent, cut it with a cutter or the like as necessary. Next, rotate the presser metal fitting 2 in the direction of closing it relative to the main body metal fitting 1 as shown by the arrow in Fig. 4. At that time, the cut-and-raised piece 21 formed on the presser metal fitting 2 moves the locking member 4. The band B is held between the locking member pressed against the back surface and the band winding portion 11. At the same time, the protruding piece 22 pushes the band B into the guide groove 12. When inserted, it bends into a U-shape as shown in Figure 1. Due to the bending of band B, it As the wrapped band is pulled together and becomes tense, the protruding piece 22 and the guide groove 1 A band B is held between the two. Continue to rotate the presser metal fitting 2 towards the main body metal fitting 1 side. When it is closed, the presser metal fitting 2 is attached to the convex portion 13 of the main body metal fitting 1, as shown in FIG. 3(b). The concave portion 23 of is engaged to hold the presser metal fitting 2 in a closed state with respect to the main body metal fitting 1, Band B is tightened and fixed in a taut state.

0012 When removing the above band fastener, for example, The ends opposite to the shaft pin 3 are narrowed inward to release the engagement between the convex portion 13 and the concave portion 23. Then, open the presser fitting 2. In that case, the bottom plate of the main body fitting 1 as shown in the illustration If the cut groove 14 is formed at the end opposite to the shaft pin 3, the above-mentioned opposing side plate 1a. 1a can be easily narrowed inward.

[0013] In addition, in the above embodiment, a plurality of sets of guide grooves 12 and protrusions 22 are provided. However, for example, as shown in FIG. 6, only one set may be provided. Especially metal bars such as stainless steel When using bands, there is little stretch, so just one set is enough to tighten the band. can be stretched. On the other hand, when using a synthetic resin band, etc., the It is desirable to provide two or more sets as in the embodiment.

[0014]

[Effect of the idea]

As explained above, the band fastener of the present invention has one end connected to the band of the main body fitting 1. The other end of the band hooked on the stop hole 10 is wrapped around the band winding part 11 and connected to the locking member 3. It is sandwiched and fixed between the above-mentioned winding part 11 and the presser metal fitting 1 is closed against the main body metal fitting 2. When inserting the band, bend and push the middle part of the band into the guide groove 12 using the protruding piece 22. Therefore, the pushing action tensions the band and connects the locking member 3 with the above-mentioned The other end of the band is connected to the winding part 11 and between the projecting piece 22 and the guide groove 12. The band B can be easily and reliably tightened and fixed. In addition, complicated mechanisms such as the band winding shaft and ratchet mechanism are used as in the conventional method. Since it is not necessary, the structure is simple and can be easily and inexpensively mass-produced, and it is constructed with a flat and thin structure. This allows the band fastener to extend outward from the circumference of utility poles, etc., unlike the conventional method. It has the advantage that it does not stick out and get in the way.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional plan view showing an embodiment of a band fastener according to the present invention.

FIG. 2 is a front view of the band fastener.

FIG. 3(a) is a sectional view taken along line a-a in FIG. 1; (b) is a sectional view taken along the line bb in FIG. 1.

FIG. 4 is a cross-sectional plan view of a state in which a band is fastened with the band fastener according to the present invention.

FIG. 5 is a front view of the state.

FIG. 6 is a cross-sectional plan view showing another embodiment of the band fastener according to the present invention.

[Explanation of symbols]

1 Body metal fittings 2 Presser metal fittings 3 axis pin 4 Locking member 10 Band hanging hole 11 Band winding part 12 Guide groove 13 Engagement protrusion 21 Cut-up piece 22 Projection piece 23 Engagement recess B band

Claims (1)

[Scope of utility model registration request] [Claim 1] A main body metal fitting and one end of a presser metal fitting are connected in an openable and closable manner with a shaft pin, and a band latching hole for latching one end of a band to the main body metal fitting, and a band winding part for wrapping the other end of the band. and the band wrapped around the band wrapping part,
A locking member that is sandwiched and fixed between the band wrapping part is rotatably attached to the shaft pin, and when the presser metal fitting is closed to the main body metal fitting, the middle part of the band is bent. A letter-shaped guide groove and a protruding piece for pushing the band into the guide groove are provided to face the main body fitting and the presser fitting, and an engaging uneven portion is provided to hold the presser fitting in a state enclosed in the main body fitting. A band fastening tool characterized in that a main body metal fitting and a presser metal fitting are provided facing each other.