JP2011058571A - Hose connection part structure of hose connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hose connection part structure of a hose connector, which allows a hose to be smoothly inserted into an internal through-hole of a fixing member for fastening and fixing the hose to a hose connection part of a hose connector, and also allows the hose to be firmly fastened and fixed to the hose connection part by the fixing member. <P>SOLUTION: A cylindrical fixing member 5 is used for fastening and fixing a hose 3 to a hose connection part 1 of a body 2 being a hose connector. A through-hole 12 of the fixing member is formed to have an almost equal inner diameter between both openings of the fixing member. When the hose 3, fittingly inserted to the hose connection part 1, is fastened and fixed by inserting a fixing nut 9 to the body 2 by screwing, the outer peripheral face 4 of the hose 3 is widely pressed by the inner wall face 8 of the fixing member 5 so as to fasten and fix the hose 3 to the hose connection part 1. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a hose connection structure in a hose connector such as a hose connector connected to a nipple tool attached to a watering nozzle or a water tap.

  Conventionally, when connecting a hose to a hose connector such as a watering nozzle or a hose connector, a hose fitted into the hose connection formed in the cylindrical shape of the main body of these hose connectors is used as a component of the main body. A cylindrical fixing member capable of reducing the inner diameter of at least a portion thereof, and the fixing member is fastened and connected to the hose connection portion of the main body by a fixing nut capable of pressing the outer peripheral surface of the hose (for example, , See Patent Document 1).

  The fixing member and the fixing nut are set on the hose before the hose is fitted on the outer periphery of the hose connecting portion. In the fixing member, the hose is securely connected to the connecting portion of the main body. In order to fasten and fix the tube to the outer wall of the hose, a protrusion protruding into the inner space of the cylinder is provided around the inner wall near the one opening end of the cylinder as the fixing member. The hose is fastened and fixed to the hose connection part of the main body.

  Also, the inner diameter around the protrusion is smaller than the outer diameter of the hose from here in order to securely fasten and fix the hose to the hose connection part of the main body, so when setting the fixing member on the hose, The hose could not be easily passed through the internal hole of the fixing member, and when trying to force it, fingers and nails could be damaged, making it very difficult to set.

JP 2001-200970 A (pages 1 to 5, FIGS. 1 to 5)

  An object of the present invention is that the hose can be smoothly inserted into the internal through hole of the fixing member for fastening and fixing the hose to the hose connection portion of the hose connector, and the hose can be inserted by the fixing member. It is possible to provide a hose connection part structure of a hose connector that can be firmly fixed to a connection part.

  In order to solve the above-described problem, the structure of the hose connection part according to the present invention is the same as that of the main body having a cylindrical hose connection part for connecting a predetermined hose and the hose fitted on the outer periphery of the hose connection part. A fixing member that is positioned on the outer periphery of the fitting insertion portion and is driven by an operation of another member to press the outer peripheral surface of the hose inward, and a female screw portion that has a pair of female screw portions on the male screw portion of the main body. In the hose connector comprising a fixing nut that moves the fixing member toward the outer peripheral surface of the hose by screwing, the same opening of the hose in which the fixing nut is set is inserted into the outer periphery of the hose connecting portion and the hose When the fixing nut is screwed into the main body with the fixing member positioned on the outer periphery of the hose, the fixing member that contacts the inner wall of the fixing nut moves toward the outer peripheral surface of the hose, Fitted on the outer circumference By pressing the outer peripheral surface inner wall surface of the hose of the same fixing member located on the outer peripheral surface of the over scan, there hose as those configured to be fastened to the hose connection.

  Further, the fixing member is a cylindrical body having substantially the same inner diameter through which the hose can be inserted between both openings, and an appropriate number of slits are provided substantially parallel to the vicinity of the opening edge on the opposite side from both opening edges, and The inner wall surface on the rear side in the screwing direction of the female screw portion of the fixing nut gradually protrudes from the front edge toward the rear edge in the screwing direction on the inner wall, and extends into the inner space. The outer wall surface and the inner wall surface of the fixing nut are assumed to be a pair of surfaces that can substantially contact each other.

  Further, the fixing member is a cylindrical body having a substantially equal inner diameter through which a hose can be inserted between both openings, and an axial section having a notch with a predetermined width over both openings is substantially C-shaped, and The inner wall surface on the rear side in the screwing direction of the female screw portion of the fixing nut gradually protrudes from the front edge toward the rear edge in the screwing direction on the inner wall, and extends into the inner space. The outer wall surface and the inner wall surface of the fixing nut are assumed to be a pair of surfaces that can substantially contact each other.

  In addition, protrusions are provided on the outer periphery of the hose connection portion of the main body and the inner wall of the fixing member.

  According to the hose connection part structure of the hose connector according to the present invention, when fixing the hose connected to the hose connection part of the main body, the outer wall surface of the hose is widely pressed by the inner wall surface of the fixing member and the hose is hose. Since it is fastened and fixed to the connection portion, it is not necessary to provide a protrusion for biting into the outer peripheral surface of the hose around the inner wall of the fixing member as in the prior art. Therefore, the inner wall surface of the fixing member can be made flat. In addition, when the fixing member is set on the hose, the hose can be smoothly passed through the internal hole of the fixing member.

  As a result, the hose can be set safely and easily without fear of damaging fingers or nails when the fixing member is set on the hose, and the hose can be fixed on the inner wall surface of the fixing member. Since the outer peripheral surface of the hose is widely pressed by this, the hose can be firmly tightened and fixed to the hose connection port.

  And even when providing a protrusion for allowing the hose connected to the hose connection part to be more firmly fixed on the inner wall of the fixing member as required, this protrusion can be provided as an auxiliary, As compared with the conventional case where the hose is fixed to the hose connection portion by biting the protrusion, it is not necessary to increase the protrusion height of the protrusion. Therefore, the hose is inserted into the internal hole of the fixing member. When passing through the hose, the hose can be smoothly passed through the internal hole without being blocked by the projection.

The disassembled perspective view which shows an example of the hose connector which has the structure of the hose connection part which concerns on this invention. Sectional drawing of the hose connector in the disassembled state shown in FIG. Sectional drawing of the hose connector which shows the fixing operation process of a hose. The perspective view which shows an example of the member for fixing. The perspective view which shows an example of a hose connection part.

  Hereinafter, the hose connection part structure of the hose connector according to the present invention will be described with reference to the accompanying drawings.

  FIG. 1 shows an example of a hose connector as a hose connector having a hose connection part structure according to the present invention. The hose connector includes a main body 2 having a cylindrical hose connection part 1 for connecting a predetermined hose. The fixing member 5 that presses the outer peripheral surface 4 of the hose 3 inserted into the outer periphery of the hose connecting portion 1 inward, and the male screw 6 of the main body 2 has a pair of female screws 7. It is composed of a fixing nut 9 that presses the inner wall surface 8 against the outer peripheral surface 4 of the hose 3.

  Further, the fixing member 5 is a cylinder having a through hole 12 having an approximately equal inner diameter through which a hose can be inserted between both openings, and an appropriate number of slits 13 are substantially parallel to the vicinity of the opposite opening edge from both opening edges. Is provided.

  Further, the inner wall surface 11 on the rear side in the screwing direction of the female screw 7 in the fixing nut 9 gradually protrudes from the front edge toward the rear edge of the inner wall 11 in the screwing direction (see FIG. 2). .

  Further, the outer wall surface 14 of the fixing member 5 serving as the cylindrical body and the inner wall surface 11 of the fixing nut 9 form a pair of surfaces that can substantially contact each other (see FIG. 2).

  3 will be described with reference to FIG. 3. First, as shown in FIG. 3A, the fixing member 5 and the fixing nut are attached to the hose 3. As shown in FIG. Set 9

  Next, as shown in FIG. 3B, the opening of the hose 3 in which the fixing member 5 and the fixing nut 9 are set is inserted into the outer periphery of the hose connection portion 1 of the main body 2 which is a hose connector. .

  Next, as shown in FIG. 3 (c), the fixing member 5 is moved closer to the main body 2 and is positioned on the hose 3 positioned on the hose connection portion 1.

  Next, as shown in FIG. 3 (d), the fixing nut 9 is moved toward the main body 2 so as to cover the fixing member 5, and the female screw 7 of the fixing nut 9 is screwed into the male screw 6 of the main body 2. Go.

  As a result, as shown in FIG. 3 (e), the fixing nut 9 is screwed so that the inner wall surface 11 of the fixing nut 9 comes into contact with the outer wall surface 14 of the fixing member 5 and is fixed. The member 5 is moved in the direction of the outer peripheral surface 4 of the hose 3, and the gap between the slits 13 of the fixing member 5 is reduced by this movement, and the diameter of the through hole 12 is reduced and fixed. The inner wall surface 8 of the member 5 presses the outer peripheral surface 4 of the hose 3 to tighten and fix the hose 3 to the hose connection portion 1.

  Further, in the fixing member 5 of the above-described embodiment, the through holes 12 of the fixing member 5 are provided by providing an appropriate number of slits 13 substantially parallel to the opposite opening edge from both opening edges of the fixing member 5. As shown in FIG. 4, a notch 15 having a predetermined width is provided over both openings of the fixing member 5 ′, and the fixing nut 9 is used as described above. When the fixing member 5 ′ moves in the direction of the outer peripheral surface 4 of the hose 3, the diameter of the through-hole 12 ′ decreases due to the gap between the notches 15 in the fixing member 5 ′ being small, and the fixing member 5 ′ In some cases, the inner wall surface 16 of the member 5 ′ presses the outer peripheral surface 4 of the hose 3 so that the hose 3 can be fastened and fixed to the hose connection portion 1.

  Then, as shown in FIG. 4, a protrusion 17 is provided on the inner wall 16 of the fixing member 5 ′ as necessary, or as shown in FIGS. 5 (a) and 5 (b). In some cases, the protrusion 17 may be disposed on the hose connection portion 1 of the main body 2.

DESCRIPTION OF SYMBOLS 1 Hose connection part 2 Main body 3 Hose 4 Outer peripheral surface 5 Fixing member 5 'Fixing member 6 Male screw 7 Female screw 8 Inner wall surface 9 Fixing nut 10 Outer surface 11 Inner wall surface 12 Through hole 12' Through hole 13 Slit 14 Outer wall surface 15 Notch 16 Inner wall surface 17 Projection

Claims (5)

  A main body having a cylindrical hose connection part for connecting a predetermined hose, and an outer periphery of the hose which is positioned on the outer periphery of the same insertion part of the hose inserted on the outer periphery of the hose connection part and is driven by operation of another member A fixing member that presses the surface inward, and a fixing member that moves the fixing member in the direction of the outer peripheral surface of the hose by having a pair of female screw portions in the male screw portion of the main body and screwing the female screw portions. In a hose connector comprising a nut, the fixing nut is screwed onto the main body with the same opening of the hose in which the fixing nut is set inserted into the outer periphery of the hose connecting portion and the fixing member positioned on the outer periphery of the hose. As it is inserted, the fixing member that contacts the inner wall of the fixing nut moves toward the outer peripheral surface of the hose, and the inner wall surface of the fixing member located on the outer peripheral surface of the hose fitted on the outer periphery of the hose connecting portion is The outer surface of the hose Pressure, the configuration and hose connection structure of the hose fitting comprising such clamping can be fixed hose to hose connections.   The fixing member is a cylindrical body having substantially the same inner diameter through which a hose can be inserted between both openings, and an appropriate number of slits are provided substantially in parallel to the vicinity of the opening edge on the opposite side from both opening edges, and The inner wall surface on the rear side in the screwing direction of the female screw portion of the fixing nut gradually protrudes from the front edge to the rear edge in the screwing direction on the inner wall, and the outer wall surface in the cylindrical body. The hose connection part structure of the hose connector according to claim 1, wherein the inner wall surface of the fixing nut is a pair of surfaces that are substantially surface-contactable.   The fixing member is a cylindrical body having an approximately equal inner diameter through which a hose can be inserted between both openings, and an axial cross section having a notch with a predetermined width over both openings is substantially C-shaped, and The inner wall surface on the rear side in the screwing direction of the female screw portion of the fixing nut gradually protrudes from the front edge to the rear edge in the screwing direction on the inner wall, and the outer wall surface in the cylindrical body. The hose connection part structure of the hose connector according to claim 1, wherein the inner wall surface of the fixing nut is a pair of surfaces that are substantially surface-contactable.   The hose connection part structure of the hose connector according to claim 1, wherein a protrusion is provided on the outer periphery of the hose connection part of the main body.   The hose connection part structure of the hose connector according to claim 1, wherein a protrusion is provided on the inner wall of the fixing member.

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