A faucet rotary joint

Abstract

The present invention relates to a faucet rotary joint, characterized in that it comprises a joint body, a rotary sleeve, a sealing collar and a stopper; the joint body comprises a cylindrical section with a flow hole, the bottom end side of the cylindrical section is provided with a stopper step protruding radially outward, the rotary sleeve is rotatably mounted on the joint body, the upper end of the rotary sleeve is provided with the sealing collar, and the upper end of the joint body is provided with a stopper to limit the rotary sleeve and the sealing collar to the joint body in synchronous rotation. With the above structure, the sealing structure and the overall structure of the present invention are relatively simple, the assembly process is simple and easy to operate, more cost-saving, more durable, and not easy to wear.

Description

Technical Field

[0001] The invention relates to the field of sanitary ware, in particular to a faucet rotary joint installed on a kitchen faucet. Background Art

[0002] The existing faucet rotary joints have a relatively complex structure, mostly including an inner seal and an outer seal. For example, a faucet rotary joint disclosed in Chinese invention patent 201921910039.1 includes an inner core, a rotary sleeve and a pressure ring, an outer sealing ring is provided on the rotary sleeve, and an inner sealing ring is provided on the inner core; an outer sealing groove for installing the outer sealing ring is provided on the outer wall of the rotary sleeve, and an inner sealing groove for installing the inner sealing ring is provided on the inner wall of the rotary sleeve, and the outer sealing groove and the inner sealing groove are staggered in the axial direction of the rotary sleeve. This structure not only involves more parts and a complex structure, but also makes assembly more complicated.

[0003] In order to further improve and innovate the existing structure, the present invention is produced. Summary of the invention

[0004] The object of the present invention is to provide a faucet rotary joint which integrates the inner sealing function and the outer sealing function, has a simple structure and is easy to assemble and operate.

[0005] In order to achieve the above object, the technical solution of the present invention is:

[0006] A faucet rotary joint comprises a joint body, a rotating sleeve, a sealing ring and a limit piece, wherein the joint body comprises a cylindrical section with a flow hole, the bottom end side of the cylindrical section is provided with a limit step protruding radially outward, the rotating sleeve is rotatably mounted on the joint body, the sealing ring is provided on the upper end of the rotating sleeve, and a limit piece is provided on the upper end of the joint body to limit the rotating sleeve and the sealing ring to be synchronously rotated on the joint body.

[0007] By adopting the above structure, the seal of the present invention can be used for water sealing between the water outlet pipe and the rotating sleeve, and can also be used as a water seal between the joint body and the rotating sleeve. Compared with the prior art, this design integrates the external sealing and internal sealing functions into one, has a simple and reliable structure, is easy to assemble, and is more durable and not easy to wear.

[0008] Preferably, the limiting member comprises a pressure ring and a limiting buckle, the pressure ring is arranged above the sealing ring, the upper end side of the joint body is provided with a limiting groove, and the limiting buckle is arranged in the limiting groove.

[0009] Preferably, the rotating sleeve and the sealing sleeve ring are in a non-rotational fit, which can extend the service life of the sealing element.

[0010] Preferably, the upper end surface of the rotating sleeve is provided with a rotation-stopping protrusion, and the matching surfaces of the sealing ring and the rotating sleeve are provided with a rotation-stopping groove.

[0011] Preferably, an embedding groove is provided on the upper end surface of the sealing ring, and a flange extending downward and shrinking inward is provided on the matching surface of the pressure ring and the sealing ring.

[0012] Preferably, it also includes a stopper, which is arranged at the lower end of the rotating sleeve, and the upper end surface of the stopper is provided with a plurality of gear holes, and the matching surface of the rotating sleeve and the stopper is provided with a pin hole, and a spring and a bayonet are arranged in the pin hole.

[0013] Preferably, a positioning hole for installing a faucet outlet pipe is provided on the rotating sleeve, and an annular step radially protruding from the outer peripheral surface of the rotating sleeve is also formed on the lower end of the rotating sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the overall structure of the first embodiment of the present invention.

[0015] Figure 2 This is an axial cross-sectional view of the overall structure of Example 1 of the present invention.

[0016] Figure 3 The overall structure explosion of Example 1 of the present invention Figure 1 .

[0017] Figure 4 The overall structure explosion of Example 1 of the present invention Figure 2 .

[0018] Figure 5 It is a three-dimensional diagram of the overall structure of the second embodiment of the present invention.

[0019] Figure 6 This is an axial cross-sectional view of the overall structure of Example 2 of the present invention.

[0020] Figure 7 The overall structure explosion of Example 2 of the present invention Figure 1 .

[0021] Figure 8 The overall structure explosion of Example 2 of the present invention Figure 2 . DETAILED DESCRIPTION

[0022] The technical solutions and beneficial effects of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] Example 1

[0024] like Figure 1-4As shown, this embodiment provides a faucet rotary joint, including a joint body 1, a rotating sleeve 2, a sealing collar 3 and a stopper. The joint body 1 includes a cylindrical section 11 with a flow hole 10, and the bottom end of the cylindrical section 11 is provided with a radially outwardly protruding stopper step 111, the rotating sleeve 2 is rotatably mounted on the joint body 1, and the upper end of the rotating sleeve 2 is provided with the sealing collar 3, which is made of soft rubber material and can be one or more pieces arranged up and down. A stopper is provided at the upper end of the joint body 1 to limit the rotating sleeve 2 and the sealing collar 3 to the joint body 1 in synchronous rotation.

[0025] Specifically, the limiting member includes a pressure ring 4 and a limiting buckle 5, the pressure ring 4 is arranged above the sealing ring 3, the upper end side of the joint body 1 is provided with a limiting groove 112, and the limiting buckle 5 is arranged in the limiting groove 112. It should be noted that the limiting member here can also be other structural forms, such as bolts or E-shaped buckles.

[0026] Furthermore, the rotating sleeve 2 and the sealing sleeve ring 3 are in a non-rotating fit. Specifically, the upper end surface of the rotating sleeve 2 is provided with a non-rotating protrusion 21, and the matching surface of the sealing sleeve ring 3 and the rotating sleeve 2 is provided with a non-rotating groove 31. The upper end surface of the sealing sleeve ring 3 is provided with an embedded groove 32, and the matching surface of the pressure ring 4 and the sealing sleeve ring 3 is provided with a flange 41 extending downward and shrinking inward.

[0027] As a preferred implementation, this embodiment also includes a stop body 7 that cooperates with the rotating sleeve 2. The upper end surface of the stop body 7 is provided with a plurality of gear holes 71, and the mating surfaces of the rotating sleeve 2 and the stop body 7 are provided with a pin hole 22. A spring 221 and a latch 222 are provided in the pin hole 22. The rotating sleeve 2 rotates relative to the stop body 7 and makes a "click" sound to prompt the gear switch.

[0028] In this embodiment, in order to connect the water inlet pipe with the water outlet pipe, a positioning hole 20 for installing the faucet water outlet pipe is provided on the rotating sleeve 2, and the lower end of the stop body 7 is also formed with an annular step 72 radially protruding from the outer peripheral surface of the stop body 7.

[0029] In this embodiment, in order to connect the faucet connector to the water inlet pipe, the lower end of the connector body 1 is provided with a water inlet end 6 for connecting to the water inlet pipe, and the connector body 1 is also provided with a sealing groove 60 located on the upper side of the water inlet end 6 for installing a sealing ring 61.

[0030] Example 2

[0031] like Figure 5-8 As shown, this embodiment provides a faucet rotary joint, including a joint body 1, a rotary sleeve 2, a sealing ring 3 and a pressure ring 4.

[0032] The joint body 1 comprises a cylindrical section 11 with a flow hole 10 , a limiting step 111 protruding radially outward is provided on the bottom end side of the cylindrical section 11 , and a limiting groove 112 is provided on the upper end side.

[0033] The rotating sleeve 2 is rotatably mounted on the joint body 1. The upper end of the rotating sleeve 2 is provided with the sealing collar 3. The sealing collar 3 is made of soft rubber material and can be one or more pieces arranged up and down. The upper end of the joint body 1 is provided with a pressure ring 4 above the sealing collar 3. The rotating sleeve 2, the sealing collar 3 and the pressure ring 4 are coaxially mounted on the joint body 1 from bottom to top. The pressure ring 4 is used to limit the sealing collar 3 and the rotating sleeve 2 to be synchronously rotatable on the joint body 1.

[0034] More specifically, the rotating sleeve 2 and the sealing sleeve ring 3 are in a non-rotating fit. Specifically, the upper end surface of the rotating sleeve 2 is provided with a non-rotating protrusion 21, and the matching surface of the sealing sleeve ring 3 and the rotating sleeve 2 is provided with a non-rotating groove 31. The upper end surface of the sealing sleeve ring 3 is provided with an embedded groove 32, and the matching surface of the pressure ring 4 and the sealing sleeve ring 3 is provided with a flange 41 extending downward and shrinking inward.

[0035] In this embodiment, in order to connect the water inlet pipe with the water outlet pipe, the rotating sleeve 2 is provided with a positioning hole 20 for installing the faucet water outlet pipe, and the lower end of the rotating sleeve 2 is also formed with an annular step 23 radially protruding from the outer circumference of the rotating sleeve 2.

[0036] In this embodiment, in order to connect the faucet connector to the water inlet pipe, the lower end of the connector body 1 is provided with a water inlet end 6 for connecting to the water inlet pipe, and the connector body 1 is also provided with a sealing groove 60 located on the upper side of the water inlet end 6 for installing a sealing ring 61.

[0037] The above embodiments are only for illustrating the technical idea of ​​the present invention, and cannot be used to limit the protection scope of the present invention. Any improvement and equivalent replacement made on the basis of the technical solution in accordance with the technical idea proposed by the present invention shall fall within the protection scope of the present invention.

Claims

1. A faucet rotary joint, It is characterized in that It comprises a joint body, a rotating sleeve, a sealing ring and a limiting member; the joint body comprises a cylindrical section with a flow hole, the bottom end side of the cylindrical section is provided with a limiting step protruding radially outward, the rotating sleeve is rotatably installed on the joint body, the upper end of the rotating sleeve is provided with the sealing ring, and the upper end of the joint body is provided with a limiting member to limit the rotating sleeve and the sealing ring to be synchronously rotated on the joint body; the limiting member comprises a pressing ring and a limiting buckle, the pressing ring is arranged above the sealing ring, the upper end side of the joint body is provided with a limiting groove, and the limiting buckle is arranged in the limiting groove; the rotating sleeve and the sealing ring are in a rotation-stopping fit; the sealing ring is made of soft rubber material; the upper end face of the sealing ring is provided with an embedded groove, and the mating surface of the pressing ring and the sealing ring is provided with a flange extending downward and shrinking inward.

2. A faucet rotary joint as claimed in claim 1, It is characterized in that The upper end surface of the rotating sleeve is provided with a rotation-stopping protrusion, and the matching surfaces of the sealing sleeve ring and the rotating sleeve are provided with a rotation-stopping groove.

3. A faucet rotary joint as claimed in claim 1, It is characterized in that It also includes a stopper, which is arranged at the lower end of the rotating sleeve. The upper end surface of the stopper is provided with a plurality of gear holes, and the matching surface of the rotating sleeve and the stopper is provided with a pin hole, and a spring and a bayonet are arranged in the pin hole.

4. A faucet rotary joint as claimed in claim 1, It is characterized in that The rotating sleeve is provided with a positioning hole for installing the faucet water outlet pipe, and the lower end of the rotating sleeve is also formed with an annular step radially protruding from the outer peripheral surface of the rotating sleeve.

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