Double-reset drawing type faucet

By employing a combination structure of hose, connector, and limiting boss in the faucet, and utilizing the self-resetting design of spring and gravity block, the problems of non-compact structure and high cost of existing faucet structures are solved, achieving a compact structure and precise pull-out effect.

CN224120724UActive Publication Date: 2026-04-14LINSHENG XIAMEN BUILDING MATERIAL IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LINSHENG XIAMEN BUILDING MATERIAL IND
Filing Date
2025-04-10
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Existing double-reset pull-out faucets rely on components such as gravity hammers, resulting in a non-compact structure, increased production costs and lengthy pipes, and difficulty in accurately controlling the pull-out range.

Method used

The faucet adopts a combination structure of hose and connector, limiting boss and spring. A gravity block is set at the lower end of the hose. The self-resetting is achieved by the action of spring and gravity block, which simplifies the structure of the faucet and reduces the production cost.

Benefits of technology

This design achieves a compact faucet structure and self-resetting function, reducing production costs and improving the precision control of the pull-out range.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-reset drawing type faucet which comprises a faucet water outlet pipe and a hose arranged in a hollow structure of a core portion of the faucet water outlet pipe, the lower end of the hose is connected to the inner wall of the lower end of the faucet water outlet pipe in a sealed mode through a connector, and a water inlet channel communicated with the hose is arranged on the connector. A limiting boss is arranged in the middle or at the tail end of the faucet water outlet pipe, and a spring allowing the hose to penetrate through is arranged between the connector and the limiting boss. At least one gravity block is arranged at the lower end of the hose. When the drawing head is pulled to move outwards, the gravity block ascends along with the hose, and meanwhile the connector moves upwards to enable the spring located between the connector and the limiting boss to be compressed. After a user loosens the drawing head, the hose moves downwards under the action of the gravity block, and when the spring recovers to the original length from the compressed state, downward force can be applied to the hose, so that the hose is driven to move downwards quickly under the dual action of the gravity block and the spring, and the drawing head ascends to the initial position.
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Description

Technical Field

[0001] This utility model relates to a double-reset pull-out faucet, and more particularly to a compact, self-resetting double-reset pull-out faucet. Background Technology

[0002] Faucets are something we use almost every day in our daily lives, and this frequent use has increased the demand for them. With the development of the bathroom industry, there are now many more styles of faucets, and the water outlet is no longer limited to the traditional fixed method.

[0003] Pull-out faucets are currently widely used, and their convenient pull-out design brings numerous benefits. Existing double-reset pull-out faucets rely on components such as a gravity hammer located beneath the faucet body. Furthermore, to ensure a sufficient pull-out range, the pull-out hose needs to be lengthened, increasing production costs. Additionally, the gravity hammer is typically located under the sink, with a lengthy pipe connecting the pull-out head and the gravity hammer, further increasing costs. Therefore, achieving precise and compact control is a problem that this invention urgently needs to solve. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a double-reset pull-out faucet with a compact structure and self-resetting characteristics.

[0005] To solve the above-mentioned technical problems, the technical solution of this utility model is as follows: a double-reset pull-out faucet, wherein the double-reset pull-out faucet is installed on the faucet body, and its innovation lies in: the double-reset pull-out faucet includes a faucet outlet pipe and a flexible hose disposed in the hollow structure of the core of the faucet outlet pipe. The lower end of the flexible hose is sealed to the lower inner wall of the faucet outlet pipe through a connector. The connector is provided with a water inlet channel communicating with the flexible hose. A limiting boss is provided on the faucet outlet pipe at the middle or end of the length direction of the faucet outlet pipe, located on the inner wall of the faucet outlet pipe. A spring is provided between the connector and the limiting boss for the flexible hose to pass through. At least one gravity block is provided at the lower end of the flexible hose.

[0006] Preferably, the faucet outlet pipe is connected to the faucet body, with one end of the faucet outlet pipe connected to the faucet body being the inlet end and the other end of the faucet outlet pipe away from the faucet body being the outlet end; the flexible hose is distributed along the length of the faucet outlet pipe.

[0007] Preferably, the water outlet is provided with a pull head that cooperates with the faucet water outlet pipe, the upper end of the hose is connected to the pull head, and the pull head is provided with a water outlet channel that communicates with the hose.

[0008] The pull-out head is equipped with a pull-out head control switch to control the water outlet mode.

[0009] Preferably, the gravity block is disposed on the connector, or on the lower end of the hose, or disposed below the connector and connected to the connector by a strap.

[0010] Preferably, when the gravity block is placed on the lower end of the hose, two gravity blocks are distributed on the hose, including a first gravity block and a second gravity block located above the first gravity block. The first gravity block and the second gravity block are respectively transition-fitted or interference-fitted with the hose.

[0011] One end of the connector is embedded in the hose. When the first gravity block is fitted onto the hose, the first gravity block presses the hose against the end of the connector. When the second gravity block is fitted onto the hose, the part of the second gravity block that mates with the hose, the end of the connector, does not enter.

[0012] Preferably, the hose and the connector are connected by one of the following: threaded connection, quick-connect / quick-plug connection, and snap-fit ​​connection;

[0013] When the hose and the connector are connected by a quick-connect / quick-plug connection, the connector includes a cylindrical connector body and a connector head embedded in the connector body. One end of the connector head is embedded in a connector mounting hole provided on the connector body, and the other end of the connector head is interference-fitted with the hose. The connector mounting hole is connected to the water inlet channel.

[0014] Preferably, a sealing ring is provided between the connector and the fitting mounting hole; a barbed structure is provided around the end of the connector that contacts the hose, and the barbed structure contacts the inner wall of the hose.

[0015] Preferably, the connector body is a sleeve-shaped structure, and the connector body is provided with a connector mounting hole for the lower end of the hose connector to be inserted. A first sealing element is provided between the connector body and the lower inner wall of the faucet outlet pipe, and a second sealing element is provided between the faucet body and the faucet outlet pipe. The first sealing element and the second sealing element are any one of an ORING sealing ring, a Y-shaped rubber ring, and a Y-shaped silicone ring.

[0016] The connector body and the connector head are either snap-fitted together or connected by a wedge block;

[0017] When the connector body and the connecting head wedge block are connected, the connector body is provided with wedge blocks that are radially distributed along the connector and pass through the connector body and the connecting head respectively. The connector body is provided with a through wedge hole for the wedge block to pass through. The connecting head is provided with a wedge groove for the wedge hole to be positioned and abutted. The wedge groove is a non-through structure.

[0018] Preferably, two wedge-shaped blocks are symmetrically arranged on the connector around its central axis.

[0019] Preferably, the stroke end of the connector does not exceed the limiting boss provided on the vertical section of the faucet outlet pipe.

[0020] The advantages of this invention are as follows: With the above structure, the flexible hose is installed inside the faucet's outlet pipe. One end of the hose is connected to a connector with an internal water inlet channel, and the other end is connected to a pull-out head with an internal water outlet channel. In use, when the faucet switch is turned on, water begins to flow into the faucet's outlet pipe. Since the inlet channel of the connector, the hose, and the outlet channel of the pull-out head form a water path, water flows out from the pull-out head through this path. When the pull-out head is pulled outwards, the hose moves upwards with it, and the gravity block rises with the hose. Simultaneously, the upward movement of the connector compresses the spring located between the connector and the limiting boss. When the user releases the pull-out head, the hose moves downwards under the action of the gravity block, and when the spring returns to its original length from its compressed state, it applies a downward force to the hose. Thus, the combined action of the gravity block and the spring drives the hose downwards rapidly, causing the pull-out head to rise to its initial position. Attached Figure Description

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0022] Figure 1 This is a schematic diagram of the structure of a double-reset pull-out faucet according to this utility model.

[0023] Figure 2 This is a three-dimensional exploded view of a double-reset pull-out faucet according to this utility model.

[0024] Figure 3 This is a schematic diagram of the hose and connector area structure of the first type of double-reset pull-out faucet according to this utility model.

[0025] Figure 4 This is a schematic diagram of the second type of hose and connector area structure in a double-reset pull-out faucet according to this utility model.

[0026] Figure 5This is a schematic diagram of the third type of hose and connector area structure in a double-reset pull-out faucet according to this utility model.

[0027] Figure 6 This is a schematic diagram of the middle limiting boss part of a double reset pull-out faucet according to this utility model.

[0028] Figure 7 This is a schematic diagram of the structure of a double-reset pull-out faucet of this utility model when the pull-out head is pulled out.

[0029] Figure 8 This is a schematic diagram of the structure of a double-reset pull-out faucet in the springback state of the pull-out head.

[0030] In the diagram: 1-faucet outlet pipe, 2-hose, 3-connector, 31-connector body, 32-connector head, 33-sealing ring, 34-barbed structure, 35-wedge block, 36-connector mounting hole, 37-first seal, 38-second seal, 4-water inlet channel, 5-limiting boss, 6-spring, 7-gravity block, 71-first gravity block, 72-second gravity block, 8-pull-out head, 9-pull-out head control switch, 10-tether strap. Detailed Implementation

[0031] This utility model discloses a double-reset pull-out faucet installed on the faucet body, including a faucet outlet pipe 1 and a flexible hose 2 disposed in the hollow structure of the core of the faucet outlet pipe 1. The lower end of the flexible hose 2 is sealed to the lower inner wall of the faucet outlet pipe 1 through a connector 3. The connector 3 is provided with a water inlet channel 4 communicating with the flexible hose 2. A limiting boss 5 is provided on the inner wall of the faucet outlet pipe 1 at the middle or end of the length direction of the faucet outlet pipe 1. A spring 6 is provided between the connector 3 and the limiting boss 5 for the flexible hose 2 to pass through. At least one gravity block 7 is provided at the lower end of the flexible hose 2.

[0032] With the above structure, the hose 2 is installed inside the faucet outlet pipe 1. One end of the hose 2 is connected to the connector 3 with an internal water inlet channel 4, and the other end is connected to the pull-out head 8 with an internal water outlet channel. In use, when the faucet switch is turned on, water begins to flow into the faucet outlet pipe 1. Since the water inlet channel 4 of the connector 3, the hose 2, and the water outlet channel of the pull-out head 8 form a water path, water flows out from the pull-out head 8 through this path. When the pull-out head 8 is pulled outwards, the hose 2 moves upwards along with it, and the gravity block 7 rises with the hose 2. Simultaneously, the upward movement of the connector 3 compresses the spring 6 located between the connector 3 and the limiting boss 5. When the user releases the pull-out head 8, the hose 2 moves downwards under the action of the gravity block 7, and when the spring 6 returns to its original length from its compressed state, it applies a downward force to the hose 2. Thus, the combined action of the gravity block 7 and the spring 6 drives the hose 2 to move rapidly downwards, causing the pull-out head 8 to rise to its initial position.

[0033] In this invention, the faucet outlet pipe 1 is connected to the faucet body. The end of the faucet outlet pipe 1 connected to the faucet body is the water inlet, and the end of the faucet outlet pipe 1 furthest from the faucet body is the water outlet. The flexible hose 2 is distributed along the length of the faucet outlet pipe 1. To facilitate the pulling of the flexible hose 2, a pull-out head 8 is provided on the water outlet, which cooperates with the faucet outlet pipe 1. The upper end of the flexible hose 2 is connected to the pull-out head 8, and a water outlet channel communicating with the flexible hose 2 is provided inside the pull-out head 8. To facilitate the control of the water outlet pattern discharged through the flexible hose 2 and the pull-out head 8, a pull-out head control switch 9 is provided on the pull-out head 8 to control the water outlet pattern.

[0034] To ensure the automatic rebound and return effect, the gravity block 7 is installed on the connector 3 (e.g., Figure 3 As shown), or it can be installed on the lower end of hose 2 (as shown). Figure 4 (As shown), or it can be located below connector 3 and connected to connector 3 via strap 10, as shown. Figure 5 As shown.

[0035] When the gravity block 7 is placed on the lower end of the hose 2, two gravity blocks 7 are distributed on the hose 2, including a first gravity block 71 and a second gravity block 72 located above the first gravity block 71. The first gravity block 71 and the second gravity block 72 are respectively transition-fitted or interference-fitted with the hose 2. One end of the connector 3 is embedded in the hose 2. When the first gravity block 71 is placed on the hose 2, the first gravity block 71 presses the hose 2 against the end of the connector 3. When the second gravity block 72 is placed on the hose 2, the part of the second gravity block 72 that mates with the hose 2, the end of the connector 3, is not inserted.

[0036] The hose 2 and the connector 3 of this utility model are connected by one of the following: threaded connection, quick-connect / quick-plug connection, and snap-fit ​​connection. When the hose 2 and the connector 3 are connected by a quick-connect / quick-plug connection, the connector 3 includes a cylindrical connector body 31 and a connector head 32 embedded in the connector body 31. One end of the connector head 32 is embedded in the connector 3 mounting hole 36 provided on the connector body 31, and the other end of the connector head 32 is interference-fitted with the hose 2. The connector 3 mounting hole 36 is connected to the water inlet channel 4.

[0037] A sealing ring 33 is provided between the connector 32 and the mounting hole 36 of the connector 3. In order to prevent the connector 3 and the hose 2 from slipping, a barbed structure 34 is provided around the end of the connector 32 that contacts the hose 2, and the barbed structure 34 contacts the inner wall of the hose 2.

[0038] The aforementioned connector body 31 is a sleeve-shaped structure. The connector body 31 is provided with a connector 3 mounting hole 36 for the lower end of the hose 2 connector 32 to be inserted. A first sealing element 37 is provided between the connector body 31 and the lower inner wall of the faucet outlet pipe 1, and a second sealing element 38 is provided between the faucet body and the faucet outlet pipe 1. The first sealing element 37 and the second sealing element 38 are any one of the following: an ORING sealing ring, a Y-shaped rubber ring, and a Y-shaped silicone ring.

[0039] To ensure a reliable connection between the connector 32 and the connector body 31, the connector body 31 and the connector 32 are either snap-fitted together or connected by wedge blocks 35. When the connector body 31 and the connector 32 are connected by wedge blocks 35, the connector body 31 is provided with wedge blocks 35 distributed radially along the connector 3 and passing through both the connector body 31 and the connector 32. The connector body 31 is provided with through wedge holes through which the wedge blocks 35 pass, and the connector 32 is provided with wedge grooves for positioning and abutting against the wedge holes. The wedge grooves are non-through structures. To further ensure a reliable connection between the connector 32 and the connector body 31, two wedge blocks 35 are symmetrically arranged on the left and right sides of the central axis of the connector 3.

[0040] The stroke end of the connector 3 of this utility model does not exceed the limiting boss 5 set on the vertical section of the faucet outlet pipe 1, and the limiting boss 5 is used to prevent the connector 3 connected to the lower end of the hose 2 from being completely pulled out.

[0041] The above embodiments are merely descriptions for clearly illustrating the present invention and are not intended to limit the implementation. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all implementations here, and any obvious variations or modifications derived therefrom are still within the protection scope of the present invention.

Claims

1. A double-reset pull-out faucet, wherein the double-reset pull-out faucet is installed on the faucet body, characterized in that: The double-reset pull-out faucet includes a faucet outlet pipe and a flexible hose disposed in the hollow structure of the faucet outlet pipe core. The lower end of the flexible hose is sealed to the lower inner wall of the faucet outlet pipe via a connector. The connector is provided with a water inlet channel communicating with the flexible hose. A limiting boss is provided on the inner wall of the faucet outlet pipe at the middle or end of the length direction of the faucet outlet pipe. A spring is provided between the connector and the limiting boss for the flexible hose to pass through. At least one gravity block is provided at the lower end of the flexible hose.

2. The double-reset pull-out faucet as described in claim 1, characterized in that: The faucet outlet pipe is connected to the faucet body, with the end of the faucet outlet pipe connected to the faucet body being the inlet end and the end of the faucet outlet pipe away from the faucet body being the outlet end; the flexible hose is distributed along the length of the faucet outlet pipe.

3. A double-reset pull-out faucet as described in claim 2, characterized in that: The water outlet is provided with a pull head that cooperates with the faucet water outlet pipe. The upper end of the hose is connected to the pull head, and the pull head is provided with a water outlet channel that communicates with the hose. The pull-out head is equipped with a pull-out head control switch to control the water outlet mode.

4. A double-reset pull-out faucet as described in claim 1, characterized in that: The gravity block is located on the connector, or on the lower end of the hose, or below the connector and connected to the connector by a strap.

5. A double-reset pull-out faucet as described in claim 4, characterized in that: When the gravity block is set on the lower end of the hose, two gravity blocks are distributed on the hose and sleeved on the hose, including a first gravity block and a second gravity block located above the first gravity block. The first gravity block and the second gravity block are respectively transition fit or interference fit with the hose. One end of the connector is embedded in the hose. When the first gravity block is fitted onto the hose, the first gravity block presses the hose against the end of the connector. When the second gravity block is fitted onto the hose, the part of the second gravity block that mates with the hose, the end of the connector, does not enter.

6. A double-reset pull-out faucet as described in claim 1, characterized in that: The hose and the connector are connected by one of the following: threaded connection, quick-connect / quick-fit connection, or snap-fit ​​connection; When the hose and the connector are connected by a quick-connect / quick-plug connection, the connector includes a cylindrical connector body and a connector head embedded in the connector body. One end of the connector head is embedded in a connector mounting hole provided on the connector body, and the other end of the connector head is interference-fitted with the hose. The connector mounting hole is connected to the water inlet channel.

7. A double-reset pull-out faucet as described in claim 6, characterized in that: A sealing ring is provided between the connector and the mounting hole of the connector; a barbed structure is provided around the end of the connector that contacts the hose, and the barbed structure contacts the inner wall of the hose.

8. A double-reset pull-out faucet as described in claim 6, characterized in that: The connector body is a sleeve-shaped structure. The connector body is provided with a connector mounting hole for the lower end of the hose connector to be inserted. A first sealing element is provided between the connector body and the lower inner wall of the faucet outlet pipe. A second sealing element is provided between the faucet body and the faucet outlet pipe. The first sealing element and the second sealing element are any one of 0RING sealing ring, Y-shaped rubber ring and Y-shaped silicone ring. The connector body and the connector head are either snap-fitted together or connected by a wedge block; When the connector body and the connecting head wedge block are connected, the connector body is provided with wedge blocks that are radially distributed along the connector and pass through the connector body and the connecting head respectively. The connector body is provided with a through wedge hole for the wedge block to pass through. The connecting head is provided with a wedge groove for the wedge hole to be positioned and abutted. The wedge groove is a non-through structure.

9. A double-reset pull-out faucet as described in claim 8, characterized in that: Two wedge-shaped blocks are symmetrically arranged on the left and right sides of the central axis of the connector.

10. A double-reset pull-out faucet as described in claim 1, characterized in that: The stroke end of the connector does not exceed the limiting boss set on the vertical section of the faucet outlet pipe.