JP5411453B2 - Gas cock mounting structure - Google Patents

Description

  The present invention relates to a gas cock mounting structure of a gas range, and more particularly to a gas cock mounting structure characterized by a connection structure between a gas cock and a main pipe.

  Conventionally, as shown in FIG. 5, the gas cock 90 of the gas range 100 is attached and fixed to the gas main pipe 91 by providing a screw hole 92 in the main pipe 91 and a screw pipe 93 provided in the gas cock 90 as the main pipe 91. The screw hole 92 is directly screwed in, and a hole 96 for inserting the nozzle 94 is provided. A holding plate 95 for holding the nozzle 94 by inserting the nozzle 94 into the hole 96 is used for the gas range body 101 with the screw 97. In this case, the fixing is performed between the burner chamber 98 and the piping chamber 97.

  In addition, as a pipe connection structure, a first pipe having a flange at the tip is fitted with a substantially Ω-shaped quick fastener, and the quick fastener is engaged with the rear surface of the flange to form a connection portion and a flange at the tip. The connecting portion of the second pipe is inserted into the first pipe in a sealed manner via an O-ring, and the mounting portion provided to project in the radial direction of the quick fastener and the second pipe A structure in which a flange is fastened with a screw has been proposed (for example, see Patent Document 1).

Japanese Utility Model Publication No. 6-24633

  However, in the structure for mounting and fixing the gas cock to the gas main pipe as shown in FIG. 5, it is necessary to fix both the gas cock and the nozzle to separate members, and therefore, extremely high accuracy is required at the time of product production. . Specifically, if the relative position of the main piping and the holding plate is not always constant for each gas range, the same-shaped gas cock that is integrally molded in large quantities cannot be used. As a result, gas pipes will leak, so the installation and formation positions of the main pipe, screw holes provided in the main pipe, the holding plate, and the holes for inserting the nozzles of the holding plate are required to have extremely high accuracy. If the position of the hole, the depth of the screw thread in the screw hole, and the male thread in the screw tube provided in the gas cock are not accurate, the nozzle will be attached to the gas range body when the screw tube is securely fastened to the screw hole. If the nozzle cannot be inserted into the insertion hole of the holding plate and cannot be inserted into the mixing tube of the burner, and the nozzle is forcibly inserted into the insertion hole of the holding plate. , So would cause a scan leakage, and cut the degree of root joint in the screw hole of the main pipe, cut the degree of the male screw in a screw tube provided in the gas cock is there is a problem in that a very high accuracy is required. Furthermore, the installation position of the main piping in the gas range is limited, and there is a problem that there is no degree of design freedom.

  In addition, it is necessary to attach and detach the holding plate and the gas cock when manufacturing the gas range and repairing the gas cock. However, if the parts such as the gas cock used as described above do not have high accuracy, the burden on the parts such as the gas cock There was a risk of gas leakage due to stress, breakage, misalignment of joints, and the like.

  In addition, since the gas cock is fixed to the main pipe by a screw-in type, there is a problem in that it requires a knack for skillfully mounting and requires skill, and anyone cannot easily mount or replace it. There is also a problem that the mounting position is not stable.

  Furthermore, when removing the gas cock, it is necessary to remove all of the plurality of fixing parts, that is, removing the nozzle from the gas cock, removing the holding plate from the gas range body, and removing the gas cock from the main pipe, On the other hand, when the gas cock is attached, it is necessary to attach all of these fixing portions, and there is a problem that the operation is complicated and the operation time is long.

  Furthermore, when removing the gas cock, it is necessary to rotate the gas cock to unscrew it from the main pipe, and when rotating the gas cock, it will hit the holding plate and its movement will be restricted, so it will be necessary to remove the holding plate. Yes, the holding plate between the burner chamber and the piping chamber must be easy to remove, and a shape that completely separates the burner chamber and the piping chamber and a structure that is fixed to the gas range body may be adopted. There was a problem that oil and cooking debris entered into the piping room, and cleaning was difficult and unsanitary.

  Further, in the pipe connection structure described in Patent Document 1, since the quick fastener mounting portion and the second pipe flange are fastened with screws, the quick fastener mounting portion and the pipe flange are provided. It is necessary to form a screw hole in the device, which is complicated to manufacture, and the screw must be turned with a screwdriver for attachment and removal, which makes it difficult and complicated to work in a narrow space. It was.

  Therefore, the present invention solves the above-described problems of the prior art, and without attaching a gas cock to the main pipe, without causing gas leakage, the main pipe, the screw hole provided in the main pipe, the holding plate, and the nozzle of the holding plate The purpose is to avoid stress and stress on these parts without requiring high precision in individual parts such as holes for inserting the holes, the installation position and formation position of the components.

  Furthermore, the installation position of the main pipe in the gas range is not limited, and an object is to obtain a degree of freedom in designing the gas range.

  In addition, it is not necessary to remove the holding plate when removing and attaching the gas cock, and the configuration is such that the burner chamber and the piping chamber are completely partitioned, and the structure is fixed to the gas range body, making it difficult for oil and cooking debris to enter the piping chamber. There is no need to maintain cleanliness.

  Further, it is an object of the present invention to attach and detach the gas cock to / from the main pipe simply and easily, to perform it easily even in a narrow space, to shorten the work time, and to always stabilize the gas cock mounting position.

  The present invention for solving the above-described problems of the prior art is provided with a first connection pipe in the gas cock, a second connection pipe in the main pipe, the first connection pipe and the second connection pipe connected by a conduit, The gas cock mounting structure is characterized in that the conduit and the first connecting pipe and the conduit and the second connecting pipe are each fixed using a quick fastener.

  Further, in the gas cock mounting structure, flanges are formed at both ends of the conduit, and rings are provided inside the flanges, respectively, at the ends of the first connection pipe and the second connection pipe. A flange is formed, both ends of the conduit are inserted into the first connecting pipe and the second connecting pipe, and a flange provided in the first connecting pipe, a ring of the conduit and the second connecting pipe are provided. The flange and the ring of the conduit are brought into contact with each other, and the flange provided on the first connection pipe, the ring of the conduit, the flange provided on the second connection pipe and the ring of the conduit are respectively placed in the holding holes of the quick fastener. The gas cock mounting structure is characterized by being inserted.

  In the gas cock mounting structure, an O-ring is interposed between the first connection pipe and the conduit and between the second connection pipe and the conduit, respectively.

  Further, in the gas cock mounting structure, a nozzle hole is provided in the partition plate fixed to the gas range body, and a tip of the branch pipe of the gas cock is brought into contact with the partition plate so as to be in contact with the nozzle hole. The gas cock mounting structure is characterized in that a screw part of a nozzle passes through the nozzle hole and is screwed into a tip of the branch pipe to fix the gas cock to the gas range body.

  In the gas cock mounting structure, the conduit has flexibility, the gas cock mounting structure.

  In the gas cock mounting structure, the conduit is provided with an auxiliary ring between the flange of the conduit and the ring.

  Further, in the gas cock mounting structure, the main pipe is piped horizontally or under the gas cock 1, and the conduit is L-shaped.

  Further, the gas cock is provided with a first connection pipe, a main pipe is provided with a second connection pipe, the first connection pipe and the second connection pipe are connected by a conduit, and the conduit, the first connection tube and the conduit are connected. And fixing the second connecting pipes using quick fasteners, respectively.

  According to the present invention as described above, when the gas cock is attached to the main pipe, the main pipe, the screw hole provided in the main pipe, the holding plate, the hole for inserting the nozzle of the holding plate, etc. without causing gas leakage, etc. It was possible to install these parts without imposing a burden without requiring high accuracy in the installation positions and formation positions of individual parts and components.

  Moreover, the installation position of the main piping in the gas range is not limited, and the degree of freedom in designing the gas range can be obtained.

  In addition, it is not necessary to remove the holding plate when the gas cock is attached / detached, and it is possible to adopt a configuration in which the burner chamber and the piping chamber are completely partitioned, and a structure fixed to the gas range body. It was difficult to enter, and there was no need for cleaning, making it possible to maintain cleanliness.

  In addition, it is simple and easy to attach and detach the gas cock to the main piping. It can be easily performed even in a small space, requires a short work time, and the gas cock mounting position can always be stabilized.

  Embodiments of the present invention will be described below with reference to the drawings. In the attachment structure of the gas cock 1 in the gas range of the present invention, the first connection pipe 3 is provided in the gas cock 1 and the second connection pipe 4 is provided in the main pipe 2 in the connection between the gas cock 1 and the main pipe 2. The connecting pipe 3 and the second connecting pipe 4 are connected by a conduit 5, and the conduit 5 and the first connecting tube 3 and the conduit 5 and the second connecting tube 4 are fixed using a quick fastener 6, respectively. That is, the gas cock 1 is connected to the main pipe 2 via the conduit 5, the gas cock 1 and the conduit 5 are connected via the first connection pipe 3, and the main pipe 2 and the conduit 5 are connected via the second connection pipe 4. Has been. The conduit 5 and the first connection pipe 3, and the conduit 5 and the second connection pipe 4 are fixed using a quick fastener 6.

  The gas cock 1 has an L-shaped branch pipe 13 extending from both sides of the hollow base portion 11 and provided with a nozzle 17 at the tip. The gas cock 1 projects upward from the main pipe 2 to the gas cock 1 at the upper portion of the base portion 11. An introduction pipe 12 to be introduced is provided.

  A partition plate 70 is fixed to the gas range body 7 between a piping chamber 76 in which the gas cock 1 and the main pipe 2 are installed and a burner chamber 77 in which the gas burner 79 is installed. Nozzle holes 72 are provided for inserting the. The partition plate 70 is replaced with a conventional holding plate, and does not need to be removed when the gas cock 1 is attached / detached. The partition plate 70 has a shape that completely partitions the burner chamber 77 and the piping chamber 76 and is fixed to the gas range body 7. Therefore, it is difficult for oil and cooking debris to enter the piping chamber, and there is no need for cleaning, and cleanliness can be maintained. This configuration is possible because the gas cock 1 does not need to be rotated when the gas cock 1 is attached or detached.

  In the gas cock 1, the tip of the branch pipe 13 is aligned with the nozzle hole 72 and brought into contact with the partition plate 70, and the threaded portion of the nozzle 17 is screwed into the tip of the branch pipe 13 through the nozzle hole 72 from the opposite side of the partition plate 70. The gas range body 7 is fixed. Furthermore, the base 11 of the gas cock 1 may be screwed to a bracket (not shown) fixed to the gas range body 7 to secure the gas cock 1 to the gas range body 7 with certainty.

  The introduction pipe 12 is provided with two flanges 14 and 15 with a predetermined interval, and an O-ring 16 is installed between the flanges 14 and 15.

  The first connection pipe 3 is L-shaped, and an end connected to the introduction pipe 12 is provided with a screw hole penetrating the first connection pipe 3, and an end connected to the conduit 5 is stretched outward. A flange 31 is formed. A step 35 is formed inside the end connected to the conduit 5.

  The introduction pipe 12 is inserted into one end of the L-shaped first connection pipe 3, a gas that prevents gas leakage between the introduction pipe 12 and the first connection pipe 3 by the O-ring 16, and passes through the first connection pipe 3. 39 is fastened and fixed, and the introduction pipe 12 and the first connection pipe 3 are connected. The screw 39 is locked to the flange 14 provided on the lower side of the flanges 14 and 15 to prevent the first connection pipe 3 from coming off from the introduction pipe 12. At this time, the end portion of the first connection pipe 3 connected to the conduit 5 is open in the lateral direction.

  The main pipe 2 is a gas pipe, and is piped horizontally below the gas cock 1 so that the screw hole 21 is opened upward. The main pipe 2 is located directly below the introduction pipe 12 and installed in a direction orthogonal to the nozzle 17 of the gas cock, but is not limited to this arrangement. By piping the main pipe 2 in a horizontal direction below or above the gas cock 1, it is possible to save the space of the piping chamber 76 and to further facilitate the work of attaching and detaching the gas cock 1.

  The second connection pipe 4 is I-shaped, and an end portion connected to the main pipe 2 is provided with a screw portion 42 that is screwed into the screw hole 21 of the main tube 2, and an external portion is connected to the end portion connected to the conduit 5. A flange 41 projecting in the direction is formed. A step 45 is formed inside the end connected to the conduit 5. The second connection pipe 4 is preferably provided with a hexagonal bolt head 49 so that it can be easily screwed with the screw hole 21 of the main pipe 2.

  The second connection pipe 4 is connected to the main pipe 2 by screwing a screw portion 42 into the screw hole 21 of the main pipe 2. At this time, the end of the second connection pipe 4 connected to the conduit 5 is open upward. The connecting portion between the second connecting pipe 4 and the main pipe 2 is preferably welded or coated with a synthetic resin. This is because welding and synthetic resin coating can more reliably prevent gas leakage and more firmly fix.

  The conduit 5 is L-shaped, and flanges 51 and 51 projecting outward are formed on the both ends at a predetermined length inside from the ends, and rings 53 are provided on the inside of the flange 51, respectively. . The diameter of the flange 51 is a diameter that can be inserted into the first connection pipe 3 and the second connection pipe 4 and can be locked to the respective step portions 35 and 45. The flange 51 is formed by processing the conduit 5. However, the flange 51 may be formed by a separate member and then fixed to the conduit 5 by welding or the like. The material of the conduit 5 is not particularly limited, but it is preferable that the conduit 5 has flexibility because it is easy to install, and it is preferable that the workability is good. For example, a copper tube is preferable. Moreover, the conduit | pipe 5 can also form the one part or all part, such as a bending part, in a loose shape, and can also give flexibility.

  The ring 53 is formed of a member separate from the conduit 5, and is installed so as to be movable by inserting the conduit 5 into the ring hole 531. In this case, the flange 51 may be provided by processing the conduit 5 after inserting the conduit 5 into the ring 53. The ring 53 may be integrally formed with the conduit 5 or may be fixed integrally with the conduit 5 by fixing another member by welding or the like.

  The shape of the ring 53 may be a shape that can be brought into contact with the opposing flanges 31 and 41 and the diameter of the ring hole 531 may be smaller than the diameter of the flange 51 so that the ring hole 531 can be engaged with the flange 51. The diameter is preferably formed to be equal to the diameter of the opposing flanges 31 and 41.

  The conduit 5 is provided with an auxiliary ring 52 movably between the flange 51 and the ring 53. The auxiliary ring 52 has an outer diameter and an inner diameter that can be inserted into the first connection pipe 3 and the second connection pipe 4 and can be engaged with the flange 51 and the ring 53. When the auxiliary ring 52 is inserted into the first connection pipe 3 or the second connection pipe 4 together with the flange 51, the end face of the first connection pipe 3 or the second connection pipe 4, that is, the end faces of the flanges 31 and 32. The thickness is the same. When the ring 53 and the flange 31 or 41 are fastened with the quick fastener 6, the auxiliary ring 52 engages with the flange 51 and the ring 53, restricts the movement of the flange 51, and is fixed integrally with the flange 51. It is a member that regulates the movement of the conduit 5. The ring 53 and the auxiliary ring 52 may not be separate members, but may be formed as an integral member by integrally molding or fixing them afterwards.

  The connection state between the first connection pipe 3 and the conduit 5 will be described. An O-ring 59 is installed at the step portion 35 of the first connection pipe 3, and the tip of the conduit 5 is inserted into the first connection pipe 3. The tip of the conduit 5 is inserted into the O-ring 59. The flange 51 of the conduit 5 abuts on and presses the O-ring 59 to deform the O-ring 59, and confidentiality is maintained between the first connecting pipe 3 and the conduit 5. At the same time, further insertion of the conduit 5 is restricted. Since the ring 53 is in contact with the end of the first connection pipe 3, the auxiliary ring 52 is inserted into the first connection pipe 3 and is sandwiched between the flange 51 and the ring 53. The O-ring 59 is preferably formed with an inner diameter that fits with the conduit 5. Thus, the O-ring 59 is interposed between the first connection pipe 3 and the conduit 5.

  The quick fastener 6 is provided with pinching portions 62 and 62 by bending a plate body having elasticity and elasticity such as metal or synthetic resin symmetrically in a substantially C shape from the base portion 61, and is sandwiched at a position facing the base portion 61. An opening 63 is formed by separating the tips of the portions 62 and 62, and a guide portion 64 is provided by bending outward from the tip of the sandwiching portion 62 in a direction substantially opposite to each other. The sandwiching portion 62 and the guide portion 64 are circumferentially provided. A clamping hole 65 extending in the direction is drilled.

  The flange 31 of the first connection pipe 3 and the ring 53 of the conduit 5 are fastened with a quick fastener 6, and the first connection pipe 3 and the conduit 5 are fixed. Specifically, the flange 31 and the ring 53 are in contact with each other, inserted into the holding hole 65 of the quick fastener 6, and sandwiched between the inner walls of the holding hole 65. In this way, the movement of the ring 53 is restricted, the movement of the auxiliary ring 52 that contacts the ring 53 and the movement of the flange 51 that contacts the auxiliary ring 52 are restricted, and the movement of the conduit 5 fixed integrally with the flange 51 is prevented. Regulated and the conduit 5 is fixed to the first connecting pipe 3.

  The connection state between the second connection pipe 4 and the conduit 5 will be described in the same manner as the connection between the first connection pipe 3 and the conduit 5. An O-ring 59 is installed in the step 45 of the second connection pipe 4. Is inserted into the second connecting pipe 4. The tip of the conduit 5 is inserted into the O-ring 59. The flange 51 of the conduit 5 abuts against and presses the O-ring 59 to deform the O-ring 59, and confidentiality is maintained between the second connecting pipe 4 and the conduit 5. At the same time, further insertion of the conduit 5 is restricted. Since the ring 53 is in contact with the end of the second connection pipe 4, the auxiliary ring 52 is inserted into the second connection pipe 4 and is sandwiched between the flange 51 and the ring 53. Thus, the O-ring 59 is interposed between the second connection pipe 4 and the conduit 5.

  The flange 41 of the second connection pipe 4 and the ring 53 of the conduit 5 are fastened with a quick fastener 6, and the second connection pipe 4 and the conduit 5 are fixed. Specifically, the flange 41 and the ring 53 are in contact with each other, inserted into the holding hole 65 of the quick fastener 6, and held between the inner walls of the holding hole 65. In this way, the movement of the ring 53 is restricted, the movement of the auxiliary ring 52 that contacts the ring 53, the movement of the flange 51 that contacts the auxiliary ring 52 is restricted, and the movement of the conduit 5 fixed integrally with the flange is restricted. The conduit 5 is fixed to the second connecting pipe 4.

  As described above, the auxiliary ring 52 is equivalent to the distance between the flange 51 and the tips of the first connection pipe 3 and the second connection pipe 4 when the conduit 5 is inserted into the first connection pipe 3 and the second connection pipe 4. The flange 51 is locked to restrict the movement in the direction in which the conduit 5 comes out. Therefore, when the conduit 5 is inserted into the first connection pipe 3 and the second connection pipe 4, the flange 51 has a thickness that is flush with the front end surfaces of the first connection pipe 3 and the second connection pipe 4. In this case, the auxiliary ring 52 is not provided.

  Next, an example of a method for attaching the gas cock 1 will be described. First, the screw hole 21 is provided in the main pipe 2, and the main pipe 2 provided with the screw hole 21 is arranged in the gas range 10 and the screw hole 21 is arranged in the piping chamber 76 with the screw hole 21 facing upward. Then, the second connecting pipe 4 is connected to the main pipe 2 by screwing a screw portion 42 into the screw hole 21 of the main pipe 2. If necessary, welding or synthetic resin coating is performed on the connecting portion between the second connecting pipe 4 and the main pipe 2. The connection between the second connecting pipe 4 and the main pipe 2 is preferable because it is easier to connect the main pipe 2 to the gas range 10 before installation.

  In addition, the introduction pipe 12 of the gas cock 1 is inserted into the first connection pipe 3 to provide confidentiality with the O-ring 16, and the screw 39 is fastened to connect the first connection pipe 3 and the introduction pipe 12.

  Then, the front end of the branch pipe 13 of the gas cock 1 is aligned with the nozzle hole 72 and brought into contact with the partition plate 70, and the screw portion of the nozzle 17 is screwed into the front end of the branch pipe 13 through the nozzle hole 72 from the opposite side of the partition plate 70. Then, the gas cock 1 is fixed to the gas range body 7. The partition plate 70 is fixed to the gas range body 7 in advance. If necessary, the base 11 of the gas cock 1 is screwed to a bracket (not shown) fixed to the gas range body 7.

  The connection between the first connection pipe 3 and the introduction pipe 12 of the gas cock 1 may be after the gas cock 1 is fixed to the gas range body 7, but it is easier and more preferable to make the connection before fixing.

  Next, an O-ring 59 is installed in the step portion 35 of the first connecting pipe 3, the tip of the conduit 5 is inserted into the first connecting pipe 3, and the flange 51 of the conduit 5 is brought into contact with the O-ring 59 and pressed. The O-ring 59 is deformed to provide confidentiality between the first connection pipe 3 and the conduit 5. Then, the ring 53 is brought into contact with the end of the first connection pipe 3, that is, the flange 31, and at the same time, the auxiliary ring 52 is inserted into the first connection pipe 3. Then, when the ring 53 and the flange 31 are in contact with each other, the opening 63 of the quick fastener 6 is pressed, the opening 63 is expanded by its elasticity, and the quick fastener 6 is further pushed in, whereby the ring 53 and the flange 31 are sandwiched between the holding portions 62. 62, the opening 63 narrows due to its elasticity, and the outer periphery of each of the ring 53 and the flange 31 is inserted into the clamping hole 65 and is sandwiched between the inner walls of the clamping hole 65, and at the same time, the first connecting pipe The portion that continues to the third flange 31 is held between the holding portions 62 and 62. In this way, the connection in which the disconnection between the first connecting pipe 3 and the conduit 5 is restricted is established.

  Also, an O-ring 59 is installed in the step 45 of the second connection pipe 4, the tip of the conduit 5 is inserted into the second connection pipe 4, and the flange 51 of the conduit 5 is brought into contact with the O-ring 59 and pressed. The O-ring 59 is deformed to provide confidentiality between the second connection pipe 4 and the conduit 5. In addition, when inserting the front-end | tip of the conduit | pipe 5 in the 2nd connecting pipe 4, the conduit | pipe 5 is bent as needed. Then, the ring 53 is brought into contact with the end of the second connection pipe 4, that is, the flange 41, and at the same time, the auxiliary ring 52 is inserted into the second connection pipe 4. Then, the opening 53 of the quick fastener 6 is pressed against the place where the ring 53 and the flange 41 abut, the opening 63 is expanded by its elasticity, and the quick fastener 6 is further pushed in, so that the ring 53 and the flange 41 are clamped 62. 62, the opening 63 narrows due to its elasticity, and the outer periphery of each of the ring 53 and the flange 41 is inserted into the clamping hole 65 and is sandwiched between the inner walls of the clamping hole 65, and at the same time, the second connecting pipe A portion continuing to the flange 41 of 4 is held between the holding portions 62 and 62. In this way, a connection in which the second connecting pipe 4 and the conduit 5 are prevented from coming off is formed.

  In addition, the connection to the 1st connection pipe 3 and the 2nd connection pipe 4 of the conduit | pipe 5 is not ask | required before and after that. In this way, the gas cock 1 is attached to the gas range 10 while being connected to the main pipe 2. What is necessary is just to perform in the reverse process to the above when removing the gas cock 1. FIG.

  In the above description and drawings, the main pipe 2 is installed in a horizontal direction below the gas cock 1, and the introduction pipe 12 of the gas cock 1 is attached to the gas cock 1 when it has a shape protruding above the gas cock. Although the structure and the shape of each member such as the first connection pipe 3, the second connection pipe 4, and the conduit 5 have been described, the arrangement of the main pipe 2 and the screw holes 21 of the main pipe 2 are not limited to this form. The position, the shape of the gas cock 1, the protruding position and the shape of the introduction pipe 12 from the gas cock main body 11 can be changed as appropriate, and the shape of the conduit 5, the shape of the first connecting pipe 3, The shape and the like of the second connection pipe 4 can be changed as appropriate, and it is also possible to adopt a mode in which the above-described shape and configuration and the appropriately changed configuration and shape are appropriately combined.

  For example, although the conduit 5 is bent at 90 ° and is L-shaped, a curved shape such as a straight line or an arc shape, a shape in which bent portions are provided in multiple stages, a shape in which these are combined, and the like can be used. The one connection pipe 3 and the second connection pipe 4 can also use a curved shape such as an I-shape, an L-shape, an arc shape, a shape provided with multiple bent portions, a shape obtained by combining these, and the like. .

  In addition, the first connection pipe 3 is not configured as a member separate from the gas cock 1, but the introduction pipe 12 of the gas cock 1 is provided with the configuration of the first connection pipe 3 as described above, and the first connection to the introduction pipe 12 is made. The second connecting pipe 4 may be formed integrally with the function of the pipe 3, and the second connecting pipe 4 is not formed as a separate member from the main pipe 2. It is good also as providing the structure of the above-mentioned 2nd connecting pipe 4 in a pipe | tube, and giving the function of the 2nd connecting pipe 4 to this pipe | tube, and forming integrally.

1 is an exploded perspective view of an embodiment of the present invention. One embodiment of the present invention installed state perspective view Partial sectional view of an embodiment of the present invention One embodiment of the present invention in a partially broken side view Partially broken side view showing conventional technology

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Gas cock 10 Gas range 11 Base part 12 Introducing pipe 13 Branch pipe 17 Nozzle 2 Main pipe 21 Screw hole 3 First connection pipe 31 Flange 35 Step part 4 Second connection pipe 41 Flange 45 Step part 5 Conduit 51 Flange 52 Auxiliary ring 53 Ring 59 O-ring 6 Quick fastener 62 Clamping part 63 Opening part 64 Guide part 65 Clamping hole 7 Gas range body 70 Partition plate 76 Piping chamber 77 Burner chamber

Claims (4)

  A gas cock is provided with an L-shaped first connecting pipe, a main pipe is provided with a second connecting pipe, and the first connecting pipe and the second connecting pipe are connected by a flexible L-shaped conduit, The main pipe is horizontally orientated below or above the gas cock, and O-rings are interposed between the first connection pipe and the conduit and between the second connection pipe and the conduit, respectively. The first connecting pipe and the conduit and the second connecting pipe are fixed using a quick fastener, respectively, a nozzle hole is provided in a partition plate fixed to the gas range body, and a tip of the branch pipe of the gas cock is formed in the nozzle hole. In addition, the gas cock is fixed to the gas range body by abutting the partition plate and screwing the screw portion of the nozzle from the opposite side of the partition plate through the nozzle hole and screwing the tip of the branch pipe. Gasco Mounting structure of.   A flange is formed at both ends of the conduit, and a ring is provided inside each of the flanges, and a flange is formed at the ends of the first connection pipe and the second connection pipe. Both ends of the conduit are inserted into the pipe and the second connecting pipe, and the flange provided on the first connecting pipe, the ring of the conduit, the flange provided on the second connecting pipe, and the ring of the conduit are respectively applied. The flange and the conduit ring provided in the first connection pipe and the flange and the conduit ring provided in the second connection pipe are inserted into the holding holes of the quick fastener, respectively. Item 2. A gas cock mounting structure according to Item 1.   The gas cock mounting structure according to claim 2, wherein an auxiliary ring is provided between the flange and the ring of the conduit. A gas cock is provided with an L-shaped first connecting pipe, a main pipe is provided with a second connecting pipe, and the first connecting pipe and the second connecting pipe are connected by a flexible L-shaped conduit, The main pipe is horizontally orientated below or above the gas cock, and O-rings are interposed between the first connection pipe and the conduit and between the second connection pipe and the conduit, respectively. The first connecting pipe and the conduit and the second connecting pipe are fixed using a quick fastener, respectively, a nozzle hole is provided in a partition plate fixed to the gas range body, and a tip of the branch pipe of the gas cock is formed in the nozzle hole. In addition, the gas cock is fixed to the gas range body by abutting the partition plate and screwing the screw portion of the nozzle from the opposite side of the partition plate through the nozzle hole and screwing the tip of the branch pipe. Gasco Method of mounting.

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