JPH0332876Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a hose fixing tool used to tighten and securely fix a hose to a pipe when connecting a hose and a pipe.

BACKGROUND ART Conventionally, when unloading a tank truck loaded with liquid fuel, etc., the end of the unloading hose A of the tank truck is connected to a pipe B of factory piping, etc., as shown in FIG. Liquid fuel, etc. is flowed from pipe A to pipe B. At this time, in order to prevent the connection between hose A and pipe B from becoming disconnected and to prevent liquid fuel, etc. from leaking from the connection point, the pipe of hose A is Generally, the hose A is firmly fixed to the pipe B by wrapping a wire C around the part that contacts the hose B and tightening the wire C.

Problems that the invention aims to solve: However, as mentioned above, when winding a wire around a hose and connecting it to a pipe, the work is troublesome and it is difficult to tighten the wire sufficiently. There was a risk that the connection to the pipe would become loose, causing liquid fuel to leak outside from the connection, or that an accident could occur if the hose came off from the pipe.

The present invention was developed in view of the above circumstances, and an object of the present invention is to provide a hose fixing tool that can firmly connect a hose to a pipe with a simple operation.

Means for Solving the Problems In other words, in order to achieve the above-mentioned object, the present invention includes a fixing device main body consisting of a chain member for tightening a mounting base, and a tightening device consisting of a nut body and a tightening bar. The mounting base has a rectangular base connecting plate that connects the base ends of a pair of side plates each having an arcuate notch formed at the tip thereof, and a bolt insertion hole is bored between one side of the base. A configuration is provided in which side connecting plates are provided, and chevron-shaped protrusions are provided on the inner surfaces of the side plates, respectively, so as to form bolt entry paths having a square cross section between these protrusions and the base connecting plate. The tightening chain member includes a bolt body in which a cylindrical bolt portion having a thread on the outer periphery is connected to a rectangular cylindrical mounting portion that can be inserted into the bolt entry path;
The distal end portion is attached to the attachment portion, and the proximal end portion includes a chain or a string-like object attached to a chain attachment body provided on the side connecting plate side of the both side plates, Further, the nut body has a bar mounting plate embedded therein, in which a bar mounting hole is bored in the outer periphery of the cylindrical nut part, the inner periphery of which is threaded to engage with the thread of the bolt part. The tightening bar has a structure in which the base end of a rod is bent into an L-shape, and this bent base end is rotatably attached to the bar attachment hole, and Insert the part into the notch of the mounting base, wrap a chain or string-like object around the hose, and insert the bolt body into the bolt entry path so that the tip of the bolt projects outward from the bolt insertion hole. The nut part of the fastener is screwed onto the bolt part, and the nut part is rotated by turning the bar, so that the bolt body advances inside the bolt entry path toward the outside of the base body while pulling the chain or string-like object. To provide a hose fixing tool characterized in that, as a result, the hose can be tightened by a chain or a string-like object.

Function The hose fixing tool of the present invention has the above-described structure, so that when tightening a hose connected to a pipe, the cutout of the mounting board 2 is attached to the part of the hose 28 that comes into contact with the pipe 29, as shown in FIG. 4 and connect the chain or string-like object 15 to the hose 2.
8 and attached to the other end of the bolt body 2 is inserted into the bolt insertion hole 8 of the base body 2.
2 is engaged with a bolt entry path 10 having a square cross section provided in the base body 2, and the nut body 17 of the fastener 16 is attached to the tip of the bolt body 14 which protrudes outward from the base body 2 from the insertion hole 8. By simply rotating the nut body 17 by screwing them together and turning the tightening bar 18, the chain or string-like object 15 can be attached to the base body 2 together with the bolt body 14 without the bolt body 14 rotating or wobbling. As the hose 28 is advanced outwardly, the chain or string 15 can tighten the hose 28 and press the hose 28 against the pipe 29, thereby firmly connecting the hose to the pipe.

EXAMPLES Hereinafter, the present invention will be specifically explained with reference to examples, but the present invention is not limited to the following examples.

Embodiment FIG. 1 shows a hose fixing tool according to an embodiment of the present invention.

In the figure, reference numeral 1 denotes a fixture main body consisting of a mounting base 2 and a tightening chain member 3, each made of metal. The mounting base 2 has a pair of substantially horseshoe-shaped side plates 5, 5 each having a semicircular notch 4 formed from the tip to the center as shown in FIGS. 2 to 5.
are arranged facing each other with a predetermined spacing between them, and the proximal edges of these side plates 5, 5 are integrally connected via a rectangular base connecting plate 6, and a rectangular side connecting plate 7 is integrally connected between one side edge. It was established in Here, the base connecting plate 6 is formed from approximately the middle of the proximal edges of the plates 5, 5 to one side edge, and the side connecting plate 7 is formed from approximately the middle of one side edge to the proximal edge. Further, a bolt insertion hole 8 is bored on the base end side of the side connecting plate 7, and a bolt insertion hole 8 is provided on the inner surface of the side plates 5, 5 on the outer side of the insertion hole 8 for the base connecting plate. A pair of square chevron-shaped protrusions 9 provided parallel to 6,
9 are protruded to face each other, and a bolt entry path 10 having a square cross section is formed between the protrusions 9, 9 and the base connecting plate 6. Furthermore, between the side plates 5 and 5, a cylindrical chain attachment rod 1 is provided between the notch 4 and the side connecting plate 7 near the periphery of the circular notch 4.
1 is fixed.

Further, as shown in FIG. 6, the chain member 3 includes a square columnar mounting portion 12 that can be inserted into the bolt entry path 10, and a cylindrical bolt portion 13 having a rectangular thread 13a screwed around the periphery. A chain 15 whose width is slightly narrower than the spacing between the side plates 5, 5 is attached to the mounting portion 12 of the bolt body 14, which is formed by integrally connecting the side plates 5, 5. A fixture body 1 is formed by attaching the chain attachment rod 11 of the attachment base 2 to the chain attachment rod 11 of the attachment base 2.

Further, reference numeral 16 in FIG. 1 is a tightening tool consisting of a nut body 17 and a tightening bar 18. The nut body 17 above
As shown in FIGS. 7 and 8, a substantially rectangular bar mounting plate is attached to the outer periphery of the cylindrical nut part 20, which has a square thread 19 screwed onto the inner periphery thereof to be screwed into the bolt part 13. The side portions of the mounting plate 21 are fixed along the axial direction, and a circular bar mounting hole 22 is bored in the center of the mounting plate 21. The lower end of the mounting plate 21 is on the same plane as the lower end of the nut part 20, but the height of the mounting plate 21 is longer than the axial length of the nut part 20, so the upper end of the mounting plate 21 is on the same plane as the lower end of the nut part 20. It is located above the upper end of the section 20.
The tightening bar 18 is formed into an L-shape by bending the base end of a circular bar.
A is rotatably attached to the mounting plate 21 by inserting it into the mounting hole 22. In addition,
A circular fall prevention plate 23 is fixed to the base end of the bar 18, and a protrusion 24 is bored on the outer surface of the bending part of the bar 18.
By holding the mounting plate 21 between them, the mounting plate 21 is prevented from slipping out from the bent portion 18a.

As shown in FIGS. 1, 3 to 5, both ends of a substantially U-shaped chain attachment rod 25 are fixed near the base connecting plate 6 on the outer surface of the base end of one side plate 5. The other end of a chain 27 connected to a hook 26 is attached to one end of the attachment rod 25.

When fixing a hose to a pipe using the above-mentioned hose fixing tool, as shown in FIG. Insert the body 14 into the bolt entry path 10 and remove the bolt 1.
3 protrudes outward from the bolt insertion hole 8,
The nut portion 20 of the fastener 16 is screwed onto the protruding bolt portion 13, and the nut portion 20 is rotated by turning the bar 18. As a result, bolt body 1
4 pulls the chain 15 while bolt entry path 1
As a result, the hose 28 is tightened by the chain 15, and the hose 28 is firmly fixed to the pipe 29.

Therefore, according to the hose fixing tool of this embodiment,
Attach the mounting base 2 to the hose 28 and connect the chain 1
5 around the hose 28, and bolt part 1.
3 protrudes outward from the insertion hole 8 through the entry path 10, the nut body 17 of the fastener 16 is screwed onto this bolt part 13, and the nut body 17 is rotated by the tightening bar 18. , the hose 28 can be easily and firmly fixed to the pipe 29. That is, in this case, the fastener 16 is constructed by fixing the bar mounting plate 21 to the nut portion 20 and rotatably attaching the bar 18 to the mounting plate 21, so that by turning the bar 18, the nut can be tightened. Part 2
For example, at the beginning of tightening, by turning the bar 18 parallel to the nut section 20, the nut section 20 can be quickly rotated, and at the end of tightening, the bar 18 can be rotated easily.
By making 8 perpendicular to the nut part 20, the bar 1
8 can be used as a lever to tighten the nut portion 20. In addition, since the square columnar mounting portion 12 is connected to the base end of the bolt portion 12, this mounting portion 12
is engaged with the bolt entry path 10, so that the bolt body 14 does not rotate within the entry path 10 during tightening, and the bolt body 14 does not wobble within the base body 2, so that the chain 15 is connected to the hose 28. Can be wrapped tightly. Furthermore, the fixing tool of this embodiment has threads 13 of the bolt part 13 and the nut part 20.
Since the screw threads 13a and 19a are formed into a square chevron shape, the threads 13a and 19a are not easily worn out, resulting in high durability.Also, since the chain 15 can be wrapped around almost the entire circumference of the hose 28, the hose 28 can be wrapped evenly. It can be tightened strongly, and the base 2
Since a chain 27 with a hook 26 attached to the hose is connected, by hooking the hook to an appropriate location on the piping side, it is possible to effectively prevent the fixing tool from coming off from the hose even if the fastening tool becomes loose. It also has advantages.

In the above embodiment, a chain was used to tighten the hose, but a string-like object such as a wire may also be used. Further, although the notch is formed in a semicircular shape, it may be formed in other circular arc shapes, and other configurations may be modified in various ways without departing from the gist of the present invention.

Effects of the Invention As explained above, according to the hose fixing tool of the present invention, a hose can be firmly fixed to a pipe without any gaps with a simple operation. Therefore, when the fixing device of the present invention is used, for example, when unloading a tank truck loaded with liquid fuel, it is possible to reliably prevent the liquid fuel from leaking to the outside from the joint between the hose and the pipe. be.

[Brief explanation of drawings]

Fig. 1 is a front view showing a hose fixing tool according to an embodiment of the present invention, Figs. 2 to 5 each show a mounting base of the same example, Fig. 2 is a front sectional view, and Fig. 3 is a left side view, Figure 4 is a right side view, and Figure 5 is a right side view.
The figure is a plan view, FIG. 6 is a partially omitted front view showing a chain member of the same example, and FIGS. 7 and 8 respectively show a fastener of the same example. 8
The figure is a plan view, Figure 9 is a partial cross-sectional view showing a hose connected to a pipe using the same fixture, and Figure 10 is a cross-sectional view showing a hose connected to a pipe using a wire. It is. DESCRIPTION OF SYMBOLS 1... Fixture body, 2... Mounting base, 3... Chain member, 4... Notch, 5... Side plate, 6...
Base connection plate, 7... Side connection plate, 8... Bolt insertion hole, 9... Chevron-shaped protrusion, 10... Bolt entry path with square cross section, 11... Chain attachment part, 12...
Square columnar mounting part, 13...Cylindrical bolt part, 13
a... Screw thread, 14... Bolt body, 15... Chain or string-like object, 16... Fastener, 17...
Nut body, 18... Tightening bar, 19... Screw thread,
20... Cylindrical nut part, 21... Bar mounting plate,
22... Bar mounting hole, 28... Hose, 29...
pipe.

Claims (1)

[Scope of utility model registration request] A fixture body 1 consisting of a mounting base 2 and a tightening chain member 3, a nut body 17 and a tightening bar 1
The mounting base 2 has a rectangular base connecting plate 6 between the base ends of the pair of side plates 5, 5 having the arcuate notch 4 formed at the tip.
A side connecting plate 7 with bolt insertion holes 8 is provided between one side thereof, and chevron-shaped protrusions 9, 9 are provided on the inner surfaces of the both side plates 5, 5, respectively. The tightening chain member 3 has a structure in which a bolt entry path 10 having a square cross section is protruded between the parts 9, 9 and the base connecting plate 6.
A bolt body 14 is formed by connecting a square columnar mounting portion 12 that can be inserted into the bolt entry path 10 with a cylindrical bolt portion 13 having a thread 13a on the outer periphery.
and a chain or string-like object 15 whose distal end is attached to the attachment part 12 and whose base end is attached to the chain attachment body 11 provided on the side connecting plate 7 side of the side plates 5, 5. The nut body 17 has a cylindrical nut part 20 on the outer peripheral part thereof, and the nut body 17 has a thread 19 screwed onto the inner peripheral surface thereof to be threaded into the thread 13a of the bolt part 13. The tightening bar 18 has a structure in which a bar mounting plate 21 in which a bar mounting hole 22 is bored is arranged in series, and the tightening bar 18 is made by bending the base end of a rod into an L-shape. It has a configuration in which the bar is rotatably attached to the bar attachment hole 22,
Insert the outer circumference of the hose 28 into the notch 4 of the mounting base 2, wrap the chain or string-like material 15 around the hose 28, insert the bolt body 14 into the bolt entry path 10, and insert the tip of the bolt 13 into the bolt hole. The nut part 20 of the fastener 16 is screwed onto the protruding bolt part 13, and the nut part 20 is rotated by turning the bar 18.
As a result, the bolt body 14 advances in the bolt entry path 10 toward the outside of the base body 2 while pulling the chain or string-like object 15, and as a result, the hose 28 is tightened by the chain or string-like object 15. A hose fixing tool characterized by: