Spliced drawing faucet
By replacing screw fixation by sliding rail engaging and connecting method, the problems of poor sealing and rust caused by screw fixation in the prior art are solved, and uniform stress and rapid assembly between the support pipe and the inner valve core body are achieved, thereby reducing production costs.
Patent Information
- Application Number
- CN202421876304.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-05
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-08-05
AI Technical Summary
In the existing split splicing and pulling faucet technology, screw fixing causes uneven force and easy leakage of sealing ring; screw fixing device is damp and rusted, affecting the fixing effect; screw fixing and assembly is cumbersome, increasing production costs.
The support pipe and the inner valve core are connected and fixed by sliding rail engaging connection method, instead of screws to achieve quick splicing and fixing of parts.
The uniform stress of the support pipe and the inner valve core body is achieved, water leakage is avoided, assembly process is simplified, and production costs are reduced.
Smart Images

Figure CN222910841U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of faucets, in particular to a spliced pull-out faucet. Background Art
[0002] Nowadays, faucets have already entered thousands of households and become an essential item in people's lives. The pull-out faucets with complete functions are deeply loved by users.
[0003] The Chinese utility model patent with the patent publication number CN218031638U discloses a pull-out faucet that is easy to assemble. This utility model proposes a pull-out faucet with a simple structure and easy to assemble, including a faucet housing, an inner valve core body arranged in the faucet housing, a valve seat arranged on the inner valve core body for placing an external valve core, a water inlet hole and a water outlet hole opened on the valve seat, a water inlet pipe arranged on the inner valve core body for connecting an external water inlet pipe and the water inlet hole, a water outlet pipe arranged on the inner valve core body for connecting an external pull-out pipe and the water outlet hole, and a pull-out channel opened on the inner valve core body for the pull-out of the pull-out pipe. The faucet housing includes: a faucet housing body for placing the inner valve core body, a support pipe for placing the pull-out shower head and allowing the pull-out pipe to slide. A connection port is opened on the circumferential side of the faucet housing body, which is matched with the support pipe for inserting the support pipe and allowing the pull-out pipe to pass through. A fixing device for positioning the inner valve core body and the support pipe on the faucet housing body is arranged between the support pipe and the inner valve core body, and the positioning part in the fixing device is a screw.
[0004] The mainstream technology of the split spliced pull-out faucet on the market mainly uses screws to connect and fix each component. However, this technology has major drawbacks: 1. The local screw fixation will cause uneven stress on the sealing ring, and the non-stressed side will warp, resulting in water leakage; 2. The screw fixing device will rust quickly due to long-term moisture, affecting the fixing effect and exacerbating the water leakage phenomenon; 3. The screw fixing assembly is cumbersome, increasing the production cost. Content of the Utility Model
[0005] In order to solve the above problems, the purpose of the utility model is to provide a spliced pull-out faucet, which uses a slide rail clamping connection method to connect and fix the support pipe and the inner valve core body, and can quickly complete the splicing and fixing of the pull-out faucet parts without using screws.
[0006] To achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A spliced pull-out faucet, including a housing, an inner valve core body, a base and a support pipe. The base is installed at the bottom of the inner valve core body, and the housing is sleeved outside the inner valve core body.
[0008] The inner valve core body includes a cold water inlet channel, a hot water inlet channel, a water outlet pipe, a connecting sleeve and a valve seat. The lower ends of the cold water inlet channel, the hot water inlet channel and the water outlet pipe are jointly connected to the connecting sleeve. The upper ends of the cold water inlet channel, the hot water inlet channel and the water outlet pipe are connected to the bottom surface of the valve seat and communicate with the inner cavity of the valve seat. Two parallel sliding rails are provided on the sides of the cold water inlet channel and the hot water inlet channel.
[0009] A support pipe mounting hole is provided on the outer shell.
[0010] A guiding chute is provided at the connecting end of the support pipe. After the connecting end of the support pipe is inserted through the support pipe mounting hole, the guiding chute is slidably engaged with the sliding rail. The connecting end of the support pipe is embedded and installed in the support pipe mounting hole, and the connecting end is slidably engaged with the inner valve core body. A notch for threading a draw hose is provided at the connecting end of the support pipe.
[0011] The base is fixed to the bottom of the inner valve core body through the connecting sleeve to fix the outer shell and the support pipe to the inner valve core body.
[0012] Further, the inner valve core body further includes a sliding rail, the sliding rail is parallelly arranged on the sides of the cold and hot water inlet channels, the support pipe further includes a guiding chute, and the sliding rail and the guiding chute can be slidably engaged and connected.
[0013] Further, a limiting step is provided at one end of the sliding rail.
[0014] Further, threaded connection holes are respectively provided at the bottom ends of the cold water inlet channel, the hot water inlet channel and the water outlet pipe, and the threaded connection holes are respectively connected to a cold water pipe, a hot water pipe and a draw hose.
[0015] Further, fixing pieces are arranged around the connecting sleeve, and the sides of the fixing pieces support the bottom of the outer shell.
[0016] Further, an internal thread is provided at the open end of the valve seat, and the valve seat is used for installing a control valve core.
[0017] Further, the cross section of the connecting end of the support pipe fits the cylindrical surface of the inner valve core body.
[0018] Further, a groove is provided at the pipe leading end of the support pipe.
[0019] Further, the connecting sleeve and the base are in threaded connection.
[0020] Further, the support pipe further includes a positioning step, the positioning step is arranged at the junction of the connecting end and the pipe leading end, and can fit the outer shell.
[0021] Furthermore, a positioning block is provided on the connection end of the support pipe opposite to the notch, and the positioning block is clamped in the groove between the outer sides of the cold water inlet channel and the hot water inlet channel.
[0022] The utility model has the following beneficial effects:
[0023] 1. Two parallel sliding rails are arranged on the outer side of the inner valve core body of the utility model, and a guiding sliding groove matched with the sliding rails is arranged on the support pipe. The two can be clamped and assembled, with simple operation and short time consumption, greatly reducing the labor cost.
[0024] 2. After the connection end of the support pipe of the utility model is inserted into the installation hole on the outer shell, the guiding sliding groove is slidably clamped and connected with the sliding rails, and then the outer shell and the support pipe are fixed to the inner valve core body by using the base at the bottom of the inner valve core body, without the need to use screws for fixation. The assembly is firm and not easily deformed or damaged.
[0025] 3. The force on the connection part between the support pipe and the inner valve core body of the utility model is uniform, not easily deformed or damaged, and not easily causing water leakage. Description of the drawings
[0026] Figure 1 is a three-dimensional schematic diagram of the utility model;
[0027] Figure 2 is a top view of the utility model;
[0028] Figure 3 is a bottom view of the utility model;
[0029] Figure 4 is a three-dimensional schematic diagram of the outer shell component of the utility model;
[0030] Figure 5 is a three-dimensional schematic diagram of the inner valve core body component of the utility model;
[0031] Figure 6 is a bottom view of the inner valve core body component of the utility model;
[0032] Figure 7 is a three-dimensional schematic diagram of the support pipe component of the utility model;
[0033] Figure 8 is a three-dimensional schematic diagram of the base component of the utility model.
[0034] Description of the reference numerals:
[0035] 1. Outer shell; 11. Support pipe mounting hole; 2. Inner valve core body; 21. Cold water inlet channel; 22. Hot water inlet channel; 23. Outlet pipe; 24. Connecting sleeve; 241. Fixed piece; 25. Valve seat; 26. Slide rail; 261. Limit step; 27. Threaded connection hole; 3. Base; 4. Support pipe; 41. Notch; 42. Guide chute; 43. Groove; 44. Positioning step; 45. Positioning block. Detailed implementation mode
[0036] The following further elaborates on the present utility model in conjunction with the attached drawings and specific embodiments:
[0037] See Figure 1-8 As shown, a spliced and pull-out faucet includes an outer shell 1, an inner valve core body 2, a base 3, and a support pipe 4. The base 3 is installed at the bottom of the inner valve core body 2, and the outer shell 1 is sleeved outside the inner valve core body 2. The inner valve core body 2 includes a cold water inlet channel 21, a hot water inlet channel 22, an outlet pipe 23, a connecting sleeve 24, and a valve seat 25. The lower ends of the cold water inlet channel 21, the hot water inlet channel 22, and the outlet pipe 23 are jointly connected to the connecting sleeve 24. The upper ends of the cold water inlet channel 21, the hot water inlet channel 22, and the outlet pipe 23 are connected to the bottom surface of the valve seat 25 and communicate with the internal cavity of the valve seat 25. The inner valve core body 2 further includes a slide rail 26, and the slide rail 26 is arranged in parallel on the outer sides of the cold water inlet channel 21 and the hot water inlet channel 22. The support pipe 4 further includes a guide chute 42, and the slide rail 26 and the guide chute 42 can be slidably engaged. One end of the slide rail 26 is provided with a limit step 261 for limiting the support pipe 4. Threaded connection holes 27 are respectively provided at the bottom ends of the cold water inlet channel 21, the hot water inlet channel 22, and the outlet pipe 23, and the threaded connection holes 27 are respectively connected to a cold water pipe, a hot water pipe, and an outlet pull-out hose. Fixed pieces 241 are arranged around the connecting sleeve 24, and the sides of the fixed pieces 241 support the inner side of the bottom of the outer shell 1. The open end of the valve seat 25 is provided with an internal thread, and the valve seat 25 is used for installing a control valve core. A support pipe mounting hole 11 is provided on the outer shell 1. The connecting end of the support pipe 4 is embedded and installed in the support pipe mounting hole 11, and the guide chute 42 at the connecting end is engaged and slid with the slide rail 26 on the inner valve core body 2. A notch 41 for passing through a pull-out hose is provided at the connecting end of the support pipe 4. The end face of the connecting end of the support pipe 4 is attached to the cylindrical surface of the inner valve core body 2. A groove 43 is provided at the pipe-leading end of the support pipe 4 to facilitate placing the water outlet nozzle of the pull-out faucet. The support pipe 4 further includes a positioning step 44, and the positioning step 44 is arranged at the junction of the connecting end and the pipe-leading end and can be attached to the outer circle of the outer shell 1. A positioning block 45 is provided on the connecting end of the support pipe 4 opposite to the notch 41, and the positioning block 45 is clamped in the groove between the outer sides of the cold water inlet channel 21 and the hot water inlet channel 22 to ensure uniform force at the connection part between the support pipe 4 and the inner valve core body 2. The base 3 is fixed to the bottom of the inner valve core body 2 through the connecting sleeve 24 and prevents the outer shell 1 and the support pipe 4 from separating from the inner valve core body 2. The connecting sleeve 24 and the base 3 are connected by matching threads.
[0038] The working principle of the utility model is as follows: The connecting end of the support pipe 4 extends into the housing 1 from the support pipe mounting hole 11, and the guide chute 42 and the slide rail 26 are engaged and connected, so that the support pipe 4 and the inner valve core body 2 are snap-connected. The cold water pipe and the hot water pipe are respectively connected to the cold water inlet channel 21 and the hot water inlet channel 22 through the threaded connection holes 27. The cold and hot water are mixed in the inner cavity of the valve seat 25 and then enter the water outlet pipe 23 and lead to the base 3. The pull-out faucet water outlet is connected to the threaded connection hole 27 at the lower end of the water outlet pipe 23 through a pull-out hose. The pull-out hose goes upward through the base 3, passes through the notch 41 and the support pipe 4 to provide warm water for the pull-out faucet water outlet.
[0039] The above is only the specific implementation manner of the utility model, and does not limit the patent scope of the utility model. Any equivalent structural transformation made by using the description and drawings of the utility model, or directly or indirectly applied in other related technical fields, shall be included in the patent protection scope of the utility model by the same token.
Claims
1. A spliced pull-out faucet, comprising an outer shell (1), an inner valve core body (2), a base (3) and a support tube (4), wherein the base (3) is mounted on the bottom of the inner valve core body (2), and the outer shell (1) is sleeved outside the inner valve core body (2), characterized in that: The inner valve core body (2) comprises a cold water inlet channel (21), a hot water inlet channel (22), a water outlet pipe (23), a connecting sleeve (24) and a valve seat (25); the lower ends of the cold water inlet channel (21), the hot water inlet channel (22) and the water outlet pipe (23) are connected to the connecting sleeve (24); the upper ends of the cold water inlet channel (21), the hot water inlet channel (22) and the water outlet pipe (23) are connected to the bottom surface of the valve seat (25) and communicate with the internal cavity of the valve seat (25); two parallel slide rails (26) are provided on the side surfaces of the cold water inlet channel (21) and the hot water inlet channel (22); The housing (1) is provided with a support tube mounting hole (11); The connecting end of the support tube (4) is provided with a guide slot (42); after the connecting end of the support tube (4) is inserted into the support tube mounting hole (11), the guide slot (42) is slidably engaged with the slide rail (26) and connected; the connecting end of the support tube (4) is provided with a notch (41) for passing a pull hose; The base (3) is fixed to the bottom of the inner valve core body (2) via the connecting sleeve (24) to fix the outer shell (1) and the supporting tube (4) to the inner valve core body (2).
2. The spliced pull-out faucet according to claim 1, characterized in that: A limiting step (261) is provided at one end of the slide rail (26).
3. The spliced pull-out faucet according to claim 1, characterized in that: The bottom ends of the cold water inlet channel (21), the hot water inlet channel (22) and the water outlet pipe (23) are respectively provided with threaded connection holes (27), and the threaded connection holes (27) are respectively connected to the cold water pipe, the hot water pipe and the pull-out hose.
4. The spliced pull-out faucet according to claim 1, characterized in that: The connection sleeve (24) is provided with fixing pieces (241) around its periphery, and the fixing pieces (241) support the bottom of the housing (1) on the side.
5. The spliced pull-out faucet according to claim 1, characterized in that: The opening end of the valve seat (25) is provided with an internal thread, and the valve seat (25) is used for mounting a control valve core.
6. The spliced pull-out faucet according to claim 1, characterized in that: The cross section of the connecting end of the support tube (4) fits the cylindrical surface of the inner valve core body (2).
7. The spliced pull-out faucet according to claim 1, characterized in that: The leading end of the support tube (4) is provided with a groove (43).
8. The spliced pull-out faucet according to claim 1, characterized in that: The connecting sleeve (24) and the base (3) are threadedly connected.
9. The spliced pull-out faucet according to claim 7, characterized in that: The support tube (4) further comprises a positioning step (44), wherein the positioning step (44) is arranged at the junction of the connection end and the guide tube end and is capable of fitting closely to the outer shell (1).
10. The spliced pull-out faucet according to claim 1, characterized in that: A positioning block (45) is provided on the connection end of the support tube (4) opposite to the notch (41), and the positioning block (45) is clamped in a groove between the outer sides of the cold water inlet channel (21) and the hot water inlet channel (22).
Citation Information
Patent Citations
Drawing faucet convenient to assemble
CN218031638U