JPH04105181U - Connection structure between flush toilet and cleaning pipe - Google Patents

Abstract

(57) [Summary] [Purpose] To easily connect cleaning pipes without using rotating tools, etc., and to eliminate water leakage. [Structure] A notch 5e running in the circumferential direction is provided on the outer circumferential surface of the spud 5 at a portion to be inserted into the cleaning pipe 3 in a watertight manner, and a slit 3b is provided in the cleaning pipe 3 so that the notch 5e faces outside.
By engaging the holder 9 inserted into the slit 3b with the notch 5e, the cleaning tube 3 and spud 5 are restrained from each other. [Effect] The cleaning pipe 3 and spud 5 can be easily connected by simply inserting the holder 9, and the seal can be maintained well.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention is a connection structure for the flush pipe to the toilet body for supplying flush water to the flush toilet. Regarding construction.

0002

[Conventional technology]

To supply flush water to flush urinals, connect the flush pipe from the external water supply source to the inside of the toilet body. This is done by connecting to the washing water flow path of the section. This connection requires that the toilet itself be Since it is made of ceramic, which has a large manufacturing tolerance, it is necessary to insert the spud into the connection hole cut into the toilet body. At the same time, the structure of incorporating packing between the outer periphery of this spud and the connection port is uniform. Generally adopted.

0003 FIG. 7 is a vertical cross-sectional view of the main parts showing an example of a conventional cleaning pipe connection structure, and shows the main part of the toilet bowl body. A connection port 51 that communicates with the internal flow path 50a of 50 is opened on the back side, and a spud is inserted into this port. 52 is fitted together with the packing 53. The tip of the spud 52 and the connection port 51 are Both have a tapered shape, and have a male thread 5 formed on the outer periphery of the spud 52. By screwing the nut 54 onto 2a, the taper of the spud 52 and the connection port 51 can be adjusted. The spud 52 is fixed to the toilet bowl body 50 using a fit. Also, spud 52 The cleaning pipe 55 connected to the piping of the building etc. is connected with a cap nut 56, and the internal flow path is A wash water flow path to 50a is formed.

0004 Further, FIG. 8 shows another example, in which a thin-walled cleaning pipe 57 is connected to a cap nut 5. 8 to the spud 52 side.

[0005] In any of these examples, the tapered fit between the spud 52 and the connection port 51 At the same time, the spud 52 is firmly disposed of by tightening the seal to ensure the seal of the packing 53. It is necessary to fix it to the container body 50. For such a connection, spud 52 The work procedure is to strengthen the taper fitting by moving it to the right in the figure. Tighten the cap nuts 56 and 58 so that there is a tightening allowance for the cleaning pipes 55 and 57. This is done through the work of growing.

[0006]

[Problem that the idea aims to solve]

However, since a work space is required to tighten the cap nuts 56 and 58, the space is narrow. During construction in a small work space, it is quite difficult to tighten the cap nuts 56 and 58. In particular, it is equipped with a sensor that detects people to automatically flush water from the automatic flush valve. In the case of flush toilets, valve units and control parts are incorporated, so Furthermore, this task is accompanied by difficulty. Therefore, the cleaning pipes 55 and 57 are connected to the toilet main body 50. Even if the connection is made, the taper fit between the spud 52 and the connection port 51 remains loose. This may result in water leakage.

[0007] The problem to be solved with this invention is that the cleaning pipe can be easily connected to the toilet body. The purpose is to prevent water leakage, etc.

[0008]

[Means to solve the problem]

This invention uses a sealing pad to attach a spud to the flush water supply connection hole in the toilet body. The spud is arranged so that it can be fitted in a tapered manner with the connector, and the spud comes out from the connection port. It has a connection structure in which a nut is screwed into the spud and a cleaning pipe is connected to the spud. The spud can be inserted into the end of the cleaning tube in a watertight manner, and the spud can be inserted into the end of the cleaning tube in a watertight manner. A notch running in the circumferential direction is provided on the outer circumferential surface of the portion where the cleaning tube is inserted, and the cleaning tube has A slit is cut out so that the notch faces outward, and the material is inserted into the slit. The cleaning tube and spud are connected to each other by a retainer that fits into the notch. It is characterized by being able to be restrained.

[0009]

[Effect]

The notch of the spud that is inserted into the cleaning tube in a watertight manner is inserted into the slit in the cleaning tube. The retainer fits into the flush tube and the spud. Axial movement is restricted. For this reason, the spud and cleaning pipe are connected via a retainer. Once they are joined, there will be no gap between the two. Therefore, all you have to do is insert the holder. The cleaning pipe and spud can be easily connected.

0010

【Example】

Figure 1 is a longitudinal sectional view showing the main parts of the connection structure of the water supply pipe to the toilet bowl of the present invention, and Figure 2 is 4 is a cross-sectional view of the main parts of the toilet bowl shown in FIGS. 3 and 4. We will explain the water supply piping when the system is installed.

[0011] 3 and 4, a chamber 1b with a lid 1a is formed at the upper end of the toilet bowl body 1. A valve unit 2 such as an automatic flush valve is installed in this chamber 1b. It is incorporated. This valve unit 2 uses infrared rays etc. provided on the front of the toilet main body 1. It opens and closes the flow path in response to signals from the sensor 2a used, and the button on the toilet body 1. A cleaning pipe 3 is provided at the lower end to feed cleaning water into the roll section. This cleaning pipe 3 is the toilet bowl. It is fixed using the connection port 4 communicating with the internal flow path 1c of the main body 1, and as shown in FIGS. 1 and 2. As shown, a spud 5 is inserted into the connection port 4 for this fixing.

0012 The spud 5 has a tapered portion 5a matching the taper of the connection port 4 on one end side. A packing 6 is installed around the tapered part 5a to seal the space between it and the inner peripheral surface of the connection port 4. be incorporated to do so. Moreover, if the male thread 5b is formed following the tapered part 5a, In both cases, the distal end is a joint 5c inserted into the cleaning tube 3, and the joint 5c is A packing 5d that fits into the inner periphery of the cleaning tube 3 and comes into close contact with it is attached to the tip. A notch 5 running in the circumferential direction is provided on the circumferential surface on the side closer to the male thread 5b than the packing 5d. Two pieces ``e'' are carved facing each other in the radial direction of the joint 5c.

[0013] The spud 5 is attached to the tapered part 5a in order to be incorporated into the manufactured ceramic toilet bowl body 1. The outer diameter of the tip is slightly smaller than the inner diameter of the smallest part of the connection port 4, making it easy to assemble. and insert it into the connection port 4 together with the packing 6. Then, the auxiliary packing 7 to seal around the opening edge of the connection port 4, and insert a nut into the male thread 5a of the spud 5. By screwing the parts 8 together, the tapered part 5a and the packing 6 are connected to the inner circumferential wall of the connection port 4. The spud 5 is fixed to the connection port 4 by tapered fitting between the spuds 5 and 4.

[0014] On the other hand, the tip of the cleaning tube 3 into which the joint 5c of the spud 5 is inserted is the joint 5c. It is formed as an adjustment port 3a having an inner diameter slightly larger than the outer diameter. For this reason, When the joint 5c is inserted into the cleaning tube 3 as shown in Figures 1 and 2, the pad at the tip The kin 5d fits tightly into the inner periphery of the cleaning pipe 3, but the joint 5c is not connected to the adjustment port 3a. is free to some extent in the radial direction. Therefore, spud 5 and cleaning tube 3 For example, it can be connected freely even if the axis lines of each other intersect, and the spa When connecting the head 5 and the cleaning pipe 3, it is possible to connect the head 5 and the cleaning pipe 3 by absorbing their mutual positional deviations. Ru. Since the packing 5d protrudes beyond the outer peripheral surface of the joint 5c, this packing The backlash 5d serves as a fulcrum and the play between the spud 5 and the cleaning pipe 3 is absorbed. It will also happen.

[0015] Also, the outer peripheral wall of the adjustment port 3a corresponds to the notch 5e of the spud 5 to be joined. At the position, two slits 3b are cut in the circumferential direction. These slits 3 b is opened by penetrating the peripheral wall of the adjustment port 3a, and is used for holding the holder 9 shown in FIG. By restraining the notch 5e of the spud 5 through the spud 5, the spud 5 and the cleaning pipe 3 are Used to hold it so it doesn't come off.

[0016] The holder 9 is made of a suitable material such as a metal plate, and is attached to the bottom as shown in Figure 5. Two arms 9a are formed in a bifurcated shape at the end, and a spud is inserted between these arms 9a. It has a shape that is slightly smaller than the outer diameter of the joint portion 5c of No. 5. Also, the upper end of the holder 9 A handle 9b used for removal work is formed into a hook shape.

[0017] In the above configuration, the connection work between the spud 5 and the cleaning pipe 3 is performed in the following manner. First, insert the spud 5 into the connection port 4 as explained above, and The spud 5 is fixed to the toilet bowl housing 1 together with the auxiliary packing 7 by a nut 8. Next Then, insert the joint part 5c of the spud 5 into the cleaning pipe 3 so that the packing 5d is attached to the cleaning pipe. Insert it until it comes into contact with the inner wall of step 3.

[0018] In this insertion work, the inner diameter of the adjustment port 3a at the tip of the cleaning tube 3 is Since the outer diameter of the joint 5c is larger than the outer diameter of the joint 5c, these cleaning tubes 3 and spuds 5 are Even if the center is misaligned or the axes intersect, the contact combination is possible. That is, when the tip of the joint 5c enters the cleaning tube 3, Since the inner diameter of the adjustment port 3a is large, the shaft is such that the joint 5c and the cleaning pipe 3 intersect. Even if it is a wire, the joint 5c can move freely to some extent inside the adjustment port 3a. Wear. Therefore, you may have to change the posture of the spud 5 or force the height or direction of the cleaning pipe 3. It is possible to join the spud 5 and the cleaning tube 3 without changing the structure.

[0019] Insert the joint 5c of the spud 5 into the cleaning tube 3 by a predetermined amount as shown in FIG. When the notch 5e and slit 3b are almost aligned, remove the holder 9 from above. into the slit 3b. FIG. 6 is a diagram explaining this work, and shows the bottom of the holder 9. When the cleaning tube 3 is inserted into the arms 9a at the end, these arms 9a It enters into the slit 3b of the cleaning tube 3. Therefore, the arm 9a has the slit 3b. As shown in FIG. Get stuck in. Therefore, the spud 5 is connected to the axis of the arm 9a through the notch 5e. This prevents the spud from moving between the spud 5 and the cleaning pipe 3. The two are integrated without any occurrence.

[0020] In addition, in order to prevent the handle 9b of the holder 9 from coming off, attach a screw or the like to the handle 9b. b and fix it at an appropriate location. Also, the joint portion 5c of the spud 5 The notches 5e provided on the outer periphery are instead of being partially provided at two locations as shown in FIG. Alternatively, a groove may be cut around the entire circumference of the joint portion 5c.

[0021] In this way, just by inserting the holder 9 into the slit 3b of the cleaning tube 3, the spud 5 and the cleaning pipe 3 can be connected. For this reason, cap nuts etc. are not used as in the past. Compared to conventional methods, there is no need to turn tools, so it is easier to join. Even in a narrow work space inside the chamber 1b, the spud 5 and cleaning pipe 3 can be easily attached and detached. can be done. In addition, even if the pad in the joint 5c is not tightened with a cap nut etc. The flow path between the cleaning tube 3 and the spud 5 is reliably sealed by the skin 5d, and the bag na- ner is sealed. There is no chance of cutting the gasket by turning the nut too much.

[0022]

[Effect of the idea]

With this invention, the spud and cleaning tube can be connected by simply inserting the holder into the slit of the cleaning tube. Since it is possible to prevent the nuts from coming off and to connect them, it is easier to connect them than when using conventional cap nuts. You can easily perform tasks with one touch. Also, there is no need to rotate the tool at all. Therefore, even if there is a narrow space between the spud and the cleaning pipe, the holder can be inserted. As long as there is a gap to clean the toilet, the work can be done without any problems.For example, if an automatic cleaning mechanism is installed in the toilet body, It is most suitable for cases where it is crowded.

[Brief explanation of drawings]

FIG. 1 is a longitudinal cross-sectional view showing the main parts of a connection structure for a water supply pipe to a flush toilet according to the present invention.

FIG. 2 is a cross-sectional view showing the main part of FIG. 1;

FIG. 3 is a diagram showing an example in which the toilet main body is equipped with an automatic cleaning system.

FIG. 4 is a diagram showing a connection portion between a cleaning pipe and a toilet main body in an automatic cleaning system.

FIG. 5 is a diagram showing details of the holder.

FIG. 6 is a schematic exploded perspective view showing the connection between the cleaning tube and the spud using the holder.

FIG. 7 is a diagram showing a connection structure of cleaning pipes in a conventional automatic cleaning system.

FIG. 8 is a diagram showing another example of a conventional connection between a spud and a cleaning pipe.

[Explanation of symbols]

1 Toilet bowl body 1c Internal flow path 2 Valve unit 3 Cleaning tube 3a Adjustment port 3b slit 4 Connection port 5 Spud 5a Taper part 5b male screw 5c Joint part 5d Packing 5e Notch 6 Packing 7 Auxiliary packing 8 Nut 9 Holder 9a arm

Claims (1)

[Scope of utility model registration request] Claim 1: A spud and a sealing gasket are arranged so as to fit into a taper in a connection port for supplying flushing water opened in the toilet body, and a nut is screwed into the portion where the spud protrudes from the connection port. and a connection structure for piping connecting a cleaning pipe to the spud, the spud being able to be inserted into the pipe end of the cleaning pipe in a watertight manner, and having an outer peripheral surface around the part where the spud is inserted into the cleaning pipe. A notch running in the direction is provided, the cleaning tube is provided with a slit cut out so that the notch faces outward, and the cleaning tube and spud are connected by a holder inserted into the slit and fitted into the notch. A connection structure for a flush toilet and a flushing pipe, characterized in that they can be restrained from each other.