JP2005199273A - Snow melting nozzle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a snow melting nozzle with a ring member prevented from turning by stopper latches by providing the ring member and a nozzle main body with the stopper latches, wherein a spray direction can be changed easily. <P>SOLUTION: A plurality of the stopper latches 3a comprising a pair of rising parts opposed to each other to sandwich the stopper latch 6a on the ring member 6 to be fitted in a fitting recessed groove 7 are provided on the nozzle body 3 in the circumferential direction. The distance between the opposing rising parts is approximately same as or wider than the width of one or a plurality of the stopper latches formed on the ring member. At least one of the stopper latches on the ring member can be fitted between the rising parts. The ring member can be freely turned within a determined range until the stopper latch on the ring member collides against the rising parts in the state of being fitted in the recessed groove 7 or the stopper latch is fitted between the other rising parts. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a snow extinguishing nozzle.

  As a snow removal nozzle that is buried in the ground and performs snow removal, for example, a fitting recess into which a ring member can be fitted is provided at the tip opening of the nozzle body, and this ring member communicates with the water passage of the nozzle body. In addition to forming a watering passage that regulates the direction and angle of water jetting, an insertion hole is formed through which the valve body is inserted, and the engaging portion of the head of the valve body is engaged with the insertion hole. A stop portion is provided, and the valve body is provided with a screw portion that is screwed with a screwing portion provided in the water passage of the nozzle body, the valve body is inserted into the insertion hole, and the screw portion is screwed into the screwing portion. The ring member is configured to be held in a pressed-down state by being screwed to the nozzle body, and the amount of water spray is adjusted by a valve mechanism provided on the valve body to spray water from the water spray passage of the ring member. .

  Specifically, there are various structures such as a structure in which the water passage is formed in the ring member, a structure in which the water passage is provided between the ring member and the valve body, or between the ring member and the fitting recess. There is a structure.

  In general, a snow-dissipating nozzle is often embedded in a road on which an automobile travels, and when the automobile travels on the snow-dissipating nozzle, the ring member does not rotate or does not travel directly on the upper surface. When the ring member rattles and rotates due to vibration transmitted by the traveling of the automobile, the valve body that holds down and stops the ring member may be loosened, and in some cases, the ring member may be detached. There is.

  Therefore, conventionally, as disclosed in, for example, Japanese Patent No. 3156914, a positioning portion including a protrusion and a recess is provided in the fitting recess and the ring member of the nozzle body, and the ring member is made to be positioned by this positioning portion. By positioning, the ring member is prevented from rotating due to vibration of the automobile or the like.

  By the way, when using a snow-dissipating nozzle, for example, if the watering channel is formed at intervals of 90 degrees on the upper surface of the nozzle body and is set so as to perform snow-dissipation by jetting water in all directions, Since it is difficult for water to reach between the comrades and there is a portion where snow remains (for example, a position of 45 degrees from both sides), there is a case where it is desired to change the direction of water ejection.

  However, in the case of a conventional snow-dissipating nozzle, the ring member cannot be rotated if it is still fitted in the fitting recess. The direction cannot be changed. Therefore, it is necessary to prepare several kinds of ring members having different ejection directions, which is troublesome.

  In view of the present situation as described above, the present invention can prevent the rotation of the ring member by the rotation locking part by providing the rotation locking part on the ring member and the nozzle body, respectively, and in the watering direction. It is an object of the present invention to provide a snow extinguishing nozzle excellent in practicality that can be easily changed.

  The gist of the present invention will be described with reference to the accompanying drawings.

  A fitting recess 7 into which the ring member 6 can be fitted is provided in the tip opening 1 of the nozzle body 3, and the ring member 6 is supported by a fitting support portion 10 provided on the inner wall of the water passage 4 of the nozzle body 3. A watering passage that fits with the fitting recess 7 and communicates with the water passage 4 between the ring member 6 or the ring member 6 and the nozzle body 3 to define the direction and angle of water ejection. 2 is formed, and this ring member 6 is formed with an insertion hole 5 through which the valve body 9 is inserted, and the insertion hole 5 is engaged with a locking portion 9a of the head of the valve body 9 A step portion 5a is provided, and the valve body 9 is provided with a screw portion 9b to be screwed with the screwing portion 8 provided in the water passage 4 of the nozzle body 3, and the valve body 9 is inserted into the insertion hole 5 to The ring member 6 is fastened to the nozzle body 3 by screwing the portion 9b with the screwing portion 8, and this ring The material 6 and the nozzle body 3 are respectively provided with anti-rotation locking portions 6 a and 3 a, and the anti-rotation locking portion 6 a provided on the ring member 6 is connected to the anti-rotation locking portion 3 a provided on the nozzle body 3. The ring member 6 is configured so as to be prevented from rotating by abutting and locking, and the nozzle body 3 sandwiches the rotation stop locking part 6a of the ring member 6 inserted into the fitting recess 7. A pair of rising portions provided opposite to the forward rotation side and the reverse rotation side of the ring member 6 are referred to as the anti-rotation locking portions 3a, and a plurality of the pair of rising portions are provided in the circumferential direction. The opposite width of the rising portion of the ring member 6 is set to be substantially the same as or slightly wider than the width of the one or more anti-rotation locking portions 6a provided on the ring member 6, and at least one anti-rotation locking provided on the ring member 6 The part 6a can be fitted between the pair of rising parts. The ring member 6 can be freely rotated within a predetermined range until the rotation locking portion 6a provided on the ring member 6 hits the rising portion and is locked in the state where the ring member 6 is fitted in the fitting recess 7. A snow extinguishing nozzle configured to be able to change the direction in which water is ejected by moving it or by fitting a detent locking portion 6a provided on the ring member 6 between the pair of different rising portions. It is related to.

  Further, a fitting recess 7 into which the ring member 6 can be fitted is provided in the tip opening 1 of the nozzle body 3, and the ring member 6 is provided by a fitting support portion 10 provided on the inner wall of the water passage 4 of the nozzle body 3. The ring member 6 or the ring member 6 and the nozzle body 3 are communicated with the water passage 4 to define the direction and angle of water ejection. A water spray channel 2 is formed, and an insertion hole 5 through which the valve body 9 is inserted is formed in the ring member 6, and a locking portion 9 a of the head of the valve body 9 is locked in the insertion hole 5. A locking step portion 5a is provided, and the valve body 9 is provided with a screw portion 9b to be screwed with the screwing portion 8 provided in the water passage 4 of the nozzle body 3, and the valve body 9 is inserted into the insertion hole 5. The ring member 6 is fixed to the nozzle body 3 by being screwed into the screw part 8 with the screw part 9b. The ring member 6 and the nozzle body 3 are respectively provided with anti-rotation locking portions 6a and 3a, and the anti-rotation locking portion 6a provided on the ring member 6 is provided with the anti-rotation locking portion provided on the nozzle body 3. The ring member 6 is configured to be able to prevent the ring member 6 from rotating by abutting and locking to the ring member 3a, and the ring member 6 is sandwiched with the rotation locking part 3a of the nozzle body 3 into which the ring member 6 is fitted. A pair of rising portions provided opposite to the forward rotation side and the reverse rotation side of the ring member 6 are referred to as the anti-rotation locking portions 6a, and a plurality of the pair of rising portions are provided in the circumferential direction. The opposing width of the rising portion is set to be substantially the same as or slightly wider than the width of one or more anti-rotation locking portions 3a provided on the nozzle body 3, and at least one anti-rotation locking provided on the nozzle body 3 The portion 3a can be inserted between the pair of rising portions. The ring member 6 is freely inserted in a predetermined range until the rotation stop locking portion 3a provided in the nozzle body 3 hits the rising portion and is locked in the state where the ring member 6 is fitted in the fitting recess 7. It is configured to be able to change the direction of water ejection by inserting the anti-rotation locking part 3a provided in the nozzle body 3 between the pair of different rising parts. It concerns the snow nozzle.

  Since this invention is comprised as mentioned above, it becomes a snow extinguishing nozzle excellent in the practicality which can prevent rotation of a ring member and can also change the watering direction easily.

  Embodiments of the present invention that are considered suitable (how to carry out the invention) will be briefly described with reference to the drawings, illustrating the operation of the present invention.

  The nozzle main body 3 is embedded in the road surface, and the snow is removed from the road surface by ejecting from the water sprinkling channel 2 of the nozzle main body 3.

  At this time, for example, even if the vehicle travels on the upper surface of the nozzle body 3 or the ring member 6 rotates due to vibrations transmitted from the vehicle traveling in the vicinity, the anti-rotation locking portion 6a provided on the ring member 6 Since the rotation is prevented by abutting and engaging with the detent locking portion 3a provided in the nozzle body 3, even if vibration is applied by an automobile or the like, the rotation of the ring member 6 causes the valve body 9 and It is possible to prevent the ring member 6 from being loosened due to loosening of the threaded portion 8 of the nozzle body 3.

  That is, the rotation of the ring member 6 is not limited, and the rotation stop locking portion 6a provided on the ring member 6 is in a predetermined range until the rotation stop locking portion 3a provided on the nozzle body 3 hits and locks. Therefore, the screw member 9b of the valve body 9 can be prevented from loosening and coming off due to the rotation of the ring member 6.

  Moreover, for example, even if the watering passages 2 are provided at intervals of 90 degrees, and there is a portion where water is difficult to reach between the watering passages 2, the ring main body 3 has, for example, a ring stop portion 3 a as a ring member. A pair of rising portions provided in an opposing state is provided on the forward rotation side and the reverse rotation side so as to sandwich the non-rotating locking portion 6a of 6 and a plurality of the pair of rising portions are arranged in the circumferential direction. When the facing width of the pair of rising portions is set to be slightly wider than the width of the rotation locking portion 6a provided on the ring member 6, the ring member 6 is fitted in the fitting recess 7 of the nozzle body 3, The detent locking portion 6a provided on the ring member 6 can be rotated by the opposite width of the rising portion to finely adjust the water ejection direction, and the detent locking portion 6a of the ring member 6 is previously By inserting it between different rising parts, the direction of water ejection is greatly increased. So that it is also possible to change without.

  Therefore, it is possible to set the desired jetting direction by rotating the single ring member 6 without preparing several types of ring members having different water jetting directions.

  In addition, for example, when the facing width of the rising portion is set to be substantially the same as the width of the anti-rotation locking portion 6a provided on the ring member 6, the rotation of the ring member 6 can be more reliably prevented. It becomes.

  Therefore, according to the present invention, the rotation of the ring member due to vibration can be prevented and the screwing of the valve body and the nozzle body can be prevented from being loosened. It becomes a snow extinguishing nozzle with excellent practicality that can freely set the ejection direction.

  Specific embodiments of the present invention will be described with reference to the drawings.

  In this embodiment, a fitting recess 7 into which a ring member 6 can be fitted is provided at the tip opening 1 of the nozzle body 3, and this ring member 6 is fitted on the inner wall of the water passage 4 of the nozzle body 3. The ring member 6 is supported by the fitting portion 7 and is fitted into the fitting recess 7. The ring member 6 is formed with a water spray channel 2 that communicates with the water flow channel 4 and defines a water jetting direction and a jetting angle. 6 is formed with an insertion hole 5 through which the valve body 9 is inserted, and the insertion hole 5 is provided with a locking step portion 5a for locking the locking portion 9a of the head of the valve body 9. The body 9 is provided with a threaded portion 9b that is threadedly engaged with the threaded portion 8 provided in the water passage 4 of the nozzle body 3. The valve body 9 is inserted into the insertion hole 5, and the threaded portion 9b is threaded with the threaded portion 8. The ring member 6 is fixed to the nozzle body 3 by being screwed together, and the ring member 6 and the nozzle body 3 are rotated. The locking members 6a and 3a are respectively provided, and the locking member 6a provided on the ring member 6 abuts and locks against the locking member 3a provided on the nozzle body 3 to thereby lock the ring member 6. Of the ring member 6 so as to sandwich the rotation locking portion 6a of the ring member 6 inserted into the fitting recess 7 in the nozzle body 3. A pair of rising portions provided opposite to each other on the opposite rotation side is referred to as the detent locking portion 3a, and a plurality of the pair of rising portions are provided in the circumferential direction. It is set so that it is slightly wider than the width of the one locking stop 6a provided on the member 6, and the locking stop 6a provided on the ring member 6 can be fitted between the pair of rising parts. In this state, the ring member 6 is inserted into the fitting recess 7. The rotation stopper locking portion 6a provided can be freely rotated within a predetermined range until it hits and locks against the rising portion, or the rotation locking locking portion 6a provided on the ring member 6 is different between the pair of rising portions. It is configured to be able to change the direction of water ejection by being inserted into the.

  Specifically, the anti-rotation locking portion 6 a provided on the ring member 6 is provided in a protruding state on the base end side of the nozzle body 3 with the ring member 6, and the anti-rotation locking portion provided on the nozzle body 3. 3a is used as the inner wall of the water passage 4 of the nozzle body 3 and is provided on the installation surface 11 provided between the fitting support portion 10 and the screwing portion 8 so as to protrude toward the ring member 6 side.

  In this embodiment, as shown in FIG. 1, the upper portion of the nozzle body 3 is a large diameter portion 13, the fitting concave portion 7 is formed in the large diameter portion 13, and the lower portion of the fitting concave portion 7 is the diameter. The fitting support portion 10 is set to have a diameter smaller than that of the large portion 13, and the screwing portion 8 is formed at a substantially central portion of the nozzle body 3.

  Further, in the present embodiment, a small diameter portion 14 that protrudes in the horizontal direction is formed at a substantially intermediate position between the fitting support portion 10 and the screwing portion 8, and from the large diameter portion 13 to the front of the small diameter portion 14. Is set to an inclined surface 16 that gently slopes downward.

  In the present embodiment, the inner surface of the small-diameter portion 14 is set as the installation surface 11, and a large number of anti-rotation locking portions 3 a are arranged at predetermined intervals in the rotational direction of the ring member 6 on the inner surface of the small-diameter portion 14. The provided crown member 12 is fitted (see FIG. 2), and the contact surface with the locking portion 9a of the head of the valve body 9 is formed as a locking step portion 5a provided in the insertion hole 5 of the ring member 6. On the back surface 15 (the surface facing the upper surface of the small-diameter portion 14), one detent locking portion 6a provided on the ring member 6 is provided (see FIG. 3).

  More specifically, the anti-rotation locking portion 6a provided on the ring member 6 and the anti-rotation locking portion 3a provided on the nozzle body 3 are respectively formed as convex portions until the convex portions come into contact with each other. The ring member 6 is set so as to be rotatable (a plurality of convex portions provided on the nozzle body 3 are opposed to each other in the direction of rotation of the ring member 6 as rising portions in the claims).

  In the present embodiment, the interval between the convex portions provided on the nozzle body 3 as the anti-rotation locking portion 3a (that is, the opposing width of the rising portion) is the convexity of the ring member 6 as the anti-rotation locking portion 6a. It is set to be slightly wider than the width of the part (see FIG. 4).

  Accordingly, it is possible to finely adjust the watering direction by rotating the ring member 6 within a predetermined range (range of intervals between the convex portions) with the ring member 6 provided in the fitting concave portion 7 of the nozzle body 3. The sprinkling direction can also be changed by removing 6 from the fitting recess 7 of the nozzle body 3 and rotating it so that the projections of the ring member 6 are fitted between the projections of different nozzle bodies 3.

  In this embodiment, the interval between the locking stoppers 3a is set to be slightly wider than the width of the locking latch 6a. You may set to the width | variety substantially the same as the width | variety of the stop part 6a. Also in this case, as described above, the sprinkling direction is changed by removing the ring member 6 from the nozzle body 3 and rotating it so that the anti-rotation locking portion 6a is inserted between the anti-rotation locking portions 3a different from the previous one. In addition, the rotation of the ring member 6 can be prevented with certainty.

  In the present embodiment, the nozzle body 3 is provided with a number of anti-rotation locking portions 3a, and the ring member 6 is provided with one anti-rotation locking portion 6a. However, as shown in FIG. The main body 3 may be provided with one anti-rotation locking portion 3a, and the ring member 6 may be provided with a number of anti-rotation locking portions 6a as shown in FIG. Further, a plurality of (multiple) anti-rotation locking portions 3a and 6a may be provided.

  Further, in the present embodiment, the inner surface of the small diameter portion 14 is adopted as the installation surface 11, but another configuration, for example, a configuration in which the rotation stop locking portion 3a is provided on the inclined surface 16 may be adopted.

  Further, in the present embodiment, the case where the convex portions are employed as the anti-rotation locking portions 3a and 6a in the nozzle main body 3 and the ring member 6 has been described, but the same applies to the case where any one of them is a concave portion. . In addition, when employ | adopting a recessed part, the rising surface part by the side of the rotation direction of the ring member 6 connected with the bottom face part of a recessed part (facing) turns into a rising part said by a claim.

  Further, the valve structure of the valve body 9 of this embodiment is such that one end communicating with the opening 9c provided on the side surface of the valve body 9 as shown in FIG. 1 is narrowed and gradually widened toward the other end. The valve rod 17 provided with the flow restricting groove 17a is provided inside the valve body 9, and by inserting a screwdriver or the like into the concave groove 17b provided in the head of the valve rod 17 and turning it, Although the communication area between the flow restricting groove 17a and the opening 9c is varied and the flow rate of water flowing from the water passage 4 to the water sprinkling passage 2 is controlled, a different valve structure may be adopted.

  Further, in this embodiment, the sprinkling channel 2 is formed by making a hole in the ring member 6, but a groove formed between the ring member 6 and the fitting recess 7, or a ring member The water sprinkling channel 2 may be constituted by a groove formed between 6 and the valve body 9.

  A rising water supply pipe 18 is inserted into the water passage 4 on the proximal end side of the nozzle body 3.

  Since the present embodiment is configured as described above, when the nozzle main body 3 is embedded in the road surface and sprayed from the water sprinkling path 2 of the nozzle main body 3 to perform snow removal on the road surface, for example, the upper surface of the nozzle main body 3 is Even if the ring member 6 is rotated by vibrations transmitted from an automobile traveling or in the vicinity of the automobile, the rotation locking part 6a provided on the ring member 6 is provided with the rotation locking part provided on the nozzle body 3. Since the rotation is prevented by abutting and engaging with 3a, even if vibration is applied by an automobile or the like, the screw between the valve body 9 and the screwing portion 8 of the nozzle body 3 is caused by the rotation of the ring member 6. It is possible to prevent the ring member 6 from coming off due to loosening.

  That is, the rotation of the ring member 6 is not limited, and the rotation stop locking portion 6a provided on the ring member 6 is in a predetermined range until the rotation stop locking portion 3a provided on the nozzle body 3 hits and locks. Therefore, the screw member 9b of the valve body 9 can be prevented from loosening and coming off due to the rotation of the ring member 6.

  In addition, for example, even if the watering passages 2 are provided at intervals of 90 degrees, and there is a portion where water is difficult to reach between the watering passages 2, the nozzle body 3 has the ring member 6 as a detent locking portion 3 a. A pair of rising portions are provided on the forward rotation side and the reverse rotation side so as to sandwich the anti-rotation locking portion 6a, and a plurality of the pair of rising portions are provided side by side in the circumferential direction. Since the facing width of the rising portion is set to be slightly wider than the width of the locking stopper 6a provided on the ring member 6, the ring member 6 is fitted in the fitting recess 7 of the nozzle body 3 (the valve body 9 is removed). In the state where the ring member 6 is not rotated), the rotation stopping portion 6a provided on the ring member 6 can be rotated by the opposite width of the rising portion to finely adjust the water ejection direction. By inserting the locking portion 6a between the rising portions different from the previous one, So that it is also possible to change the ejection direction of the larger.

  Therefore, it is possible to set the desired jetting direction by rotating the single ring member 6 without preparing several types of ring members having different water jetting directions.

  Therefore, in this embodiment, the rotation of the ring member due to vibration can be prevented and the screwing of the valve body and the nozzle body can be prevented from loosening. This is a snow-melting nozzle with excellent practicality that can freely set the jet direction.

It is explanatory side sectional drawing (in the state where the valve element was fixed) of the present Example. It is explanatory side sectional drawing (a state which removed the valve body) of a present Example. It is an explanatory back view of the ring member of a present Example. It is a description top view of the nozzle body of a present Example. It is an explanatory back view of a ring member of another example. It is a description top view of the nozzle body of another example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tip opening part 2 Sprinkling channel 3 Nozzle main body 3a Non-rotating locking part 4 Water channel 5 Insertion hole 6 Ring member 6a Non-rotating locking part 7 Fitting recessed part 8 Screwing part 9 Valve body 9a Locking part 9b Screw part
10 Insertion support

Claims (2)

  A fitting recess into which a ring member can be fitted is provided at the tip opening of the nozzle body, and this ring member is supported by a fitting support provided on the inner wall of the water passage of the nozzle body and is fitted with the fitting recess. In addition, a watering passage is formed between the ring member or the ring member and the nozzle body so as to communicate with the water passage and define a water jetting direction and a jetting angle. An insertion hole to be inserted is formed, and a locking step portion for locking a locking portion of the head portion of the valve body is provided in the insertion hole, and the valve body is provided in a water passage of the nozzle body. Provided with a threaded portion that is threadedly engaged with the threaded portion, the valve body is inserted into the insertion hole, and the threaded portion is threadedly engaged with the threaded portion, so that the ring member is fixed to the nozzle body in a pressed-down state. The ring member and the nozzle body are each provided with an anti-rotation locking portion, and the rotation provided on the ring member. The locking portion is configured to be able to prevent rotation of the ring member by abutting and locking to a rotation stop locking portion provided in the nozzle body, and is inserted into the fitting recess in the nozzle body. A pair of rising portions provided on the forward rotation side and the reverse rotation side of the ring member so as to sandwich the rotation stop locking portion of the ring member is used as the rotation stop locking portion. A plurality of rising portions are provided in the circumferential direction, and the opposing width of the pair of rising portions is set to be approximately the same as or slightly wider than the width of the one or more anti-rotation locking portions provided on the ring member. The at least one detent locking portion is configured to be fitted between the pair of rising portions, and the detent locking portion provided on the ring member with the ring member fitted in the fitting recess. Until it hits and locks against the rising part It is configured to be able to change the direction of water ejection by allowing it to freely rotate within a fixed range or by inserting a detent locking portion provided on this ring member between the pair of different rising portions. A snow-melting nozzle   A fitting recess into which a ring member can be fitted is provided at the tip opening of the nozzle body, and this ring member is supported by a fitting support provided on the inner wall of the water passage of the nozzle body and is fitted with the fitting recess. In addition, a watering passage is formed between the ring member or the ring member and the nozzle body so as to communicate with the water passage and define a water jetting direction and a jetting angle. An insertion hole to be inserted is formed, and a locking step portion for locking a locking portion of the head portion of the valve body is provided in the insertion hole, and the valve body is provided in a water passage of the nozzle body. Provided with a threaded portion that is threadedly engaged with the threaded portion, the valve body is inserted into the insertion hole, and the threaded portion is threadedly engaged with the threaded portion, so that the ring member is fixed to the nozzle body in a pressed-down state. The ring member and the nozzle body are each provided with an anti-rotation locking portion, and the rotation provided on the ring member. The ring locking portion is configured to be able to prevent rotation of the ring member by abutting and locking to a rotation stop locking portion provided in the nozzle body, and the ring member is inserted into the ring member. A pair of rising portions provided on the forward rotation side and the reverse rotation side of the ring member so as to sandwich the detent locking portion of the nozzle body are used as the detent locking portions, and the pair of rising portions are A plurality of circumferentially provided, the opposing width of the pair of rising portions is set to be substantially the same as or slightly wider than the width of one or more anti-rotation locking portions provided in the nozzle body, and at least provided in the nozzle body One rotation prevention locking portion is configured to be fitted between the pair of rising portions, and the rotation prevention locking portion provided in the nozzle body in a state where the ring member is fitted in the fitting recess Until it hits the rising part and locks It is configured to be able to change the direction of water jetting by freely rotating within a predetermined range or by inserting a detent stop portion provided on the nozzle body between the pair of different rising portions. And a snow-melting nozzle.

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