Faucet assembly with self-positioning inner core
By combining a flat structure with a positioning block on the inner core tube of the faucet, the problem of water leakage caused by wear of the inner core is solved, thereby improving stability and cost-effectiveness and simplifying the manufacturing process.
Patent Information
- Application Number
- CN202423143417.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-19
AI Technical Summary
The inner core of existing faucets is prone to wear during use, which can cause the water outlet to deflect from the water outlet channel of the shell, resulting in water leakage. At the same time, the casting and molding of metal shell molds is inefficient and costly.
It adopts a flat inner core tube and positioning block structure. The outer wall of the inner core tube has no protrusions. The positioning protrusions of the positioning block restrict the rotation of the inner core. Combined with the sealing structure, it prevents water leakage. The inner core tube is formed by directly cutting stainless steel pipe to reduce costs.
It effectively prevents the inner core from deflecting, eliminates water leakage, simplifies the manufacturing process, reduces manufacturing costs, and improves assembly stability and efficiency.
Smart Images
Figure CN223563565U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to faucet accessory technical field, especially relate to a kind of inner core self-positioning faucet assembly. BACKGROUND
[0002] As Figure 1 As shown in the drawing, faucet mainly includes metal shell 1, plastic inner core 2, valve core, handle, inner core top and shell form the valve core cavity 3 for installing valve core between, valve core is driven under the rotation of handle Mixed cold and hot water, inner core is cooperated with the limit rotation protrusion 5 of the inner wall of shell through the positioning groove 4 of its own opening to avoid core body rotation with valve core and handle.With the use of faucet, plastic inner core is expanded under the abrasion of metal limit rotation protrusion The caliber of positioning groove is even separated from limit rotation protrusion, so that inner core is driven to rotate under the valve core, the water outlet 6 of inner core and the water outlet passage 7 of shell are deflected to cause internal water seepage and influence water outlet, and, the shell needs to be formed by mould casting, and the efficiency is low and the cost is high.
[0003] In order to solve the above problems, the utility model provides a kind of inner core self-positioning faucet, which is directly made of pipe cutting into inner core pipe body as shell main part, and inner core can be well limited to rotate under the smooth inner wall of inner core pipe body without positioning protrusion. UTILITY MODEL CONTENTS
[0004] Therefore, in view of the above problems, the utility model provides an inner core self-positioning faucet assembly for solving the deflection problem of inner core water outlet and shell water outlet passage.
[0005] To solve the above technical problems, the utility model adopts the following solutions: a kind of inner core self-positioning faucet assembly, including shell, inner core, it is characterized by: the shell includes inner core pipe body and water outlet pipe body, the outer wall and inner wall of the inner core pipe body are even without protrusion, the fixed end of the water outlet pipe body is fixedly arranged on the inner core pipe body, the water outlet pipe body is provided with water outlet passage, the inner core pipe body is provided with water outlet hole for water outlet with water outlet passage communication;The inner core is arranged in the inner core pipe body, the upper end surface of the inner core and the inner core pipe body upper port form valve core cavity for installing external valve core;The upper end of the inner core is provided with cutout towards water outlet pipe body, the water outlet of the inner core is located on the end face of the cutout, the cutout is filled with positioning block for limiting the rotation of the inner core, the planar side wall of the positioning block is attached to the cutout end face, the arc-shaped side wall of the positioning block is attached to the inner wall of the inner core pipe body, the arc-shaped side wall of the positioning block is provided with positioning protrusion for limiting the rotation of the inner core pipe body, and the positioning protrusion penetrates the water outlet hole and fills the water outlet hole, the water passage is provided in the positioning block and is communicated with the water outlet of the inner core and the water outlet passage, the cutout end face and the positioning block are provided with first sealing structure to avoid water seepage along the gap between the inner core and the positioning block, and the arc-shaped side wall of the positioning block is provided with second sealing structure to avoid water seepage along the gap between the positioning block and the inner wall of the inner core pipe body.
[0006] Further improvement is that: the plane where the cutout end face is located intersects with the central axis of the inner core pipe body above the water outlet of the inner core.
[0007] Further improvement is that: the arc-shaped edges of the upper end surface of the inner core and the arc-shaped edges of the upper end surface of the positioning block are respectively upwardly protruded to form first arc-shaped protrusion and second arc-shaped protrusion, and the first arc-shaped protrusion and the second arc-shaped protrusion surround to form valve core cavity for installing external valve core.
[0008] Further improvement is that: the first sealing structure includes first sealing groove opened on the cutout end face or the planar side wall of the positioning block outside the water outlet of the inner core, and a first sealing ring is arranged in the first sealing groove, and the outer end face of the first sealing ring is extruded and arranged on the planar side wall of the positioning block or the cutout end face.
[0009] Further improvement is that: the second sealing structure includes second sealing groove opened on the arc-shaped side wall of the positioning block outside the water passage, and a second sealing ring is arranged in the second sealing groove, and the outer end face of the second sealing ring is extruded and arranged on the inner wall of the inner core pipe body.
[0010] Further improvement is that: the inner core pipe body is made of stainless steel pipe, the material of the water outlet pipe body is stainless steel, and the water outlet pipe body is welded on the inner core pipe body.
[0011] Further improvement is that the lower end of the inner core pipe body is provided with a lower pressing cover for pressing upward the inner core to make the cutout end face of the inner core fit with the planar side wall of the positioning block.
[0012] Further improvement is that the lower pressing cover is welded with the inner core pipe body.
[0013] By adopting the foregoing technical scheme, the utility model has the beneficial effects that:
[0014] In the case, the positioning block with the positioning protrusion is used to limit the rotation of the inner core in the faucet shell, and the positioning protrusion structure does not need to be arranged on the inner wall of the inner core pipe body, so that the inner core pipe body can directly use the inner core pipe body formed by cutting a circular pipe, and the manufacturing cost of the inner core pipe body is greatly reduced.
[0015] The positioning protrusion of the positioning block is arranged in the water outlet hole of the inner core pipe body to limit the movement of the positioning block, and then the inner core is arranged in the inner core pipe body, so that the cutout end face of the inner core fits with the planar side wall of the positioning block to limit the rotation of the inner core, and the structure is simple and convenient to assemble. The cutout end face of the inner core fits with the planar side wall of the positioning block to limit the rotation of the inner core around the axial direction of the inner core pipe body. Compared with the rotation limiting structure of the existing inner core through the rotation limiting protrusion and the positioning groove, the contact area between the inner core and the positioning block is large, the rotation limiting stability is better, the inner core and the positioning block do not abrade each other, the inner core does not deflect after long-term use, and the water seepage in the faucet caused by the deflection of the inner core is avoided.
[0016] Further beneficial effect is that the plane where the cutout end face is located can also intersect with the central axis of the inner core pipe body above the water outlet of the inner core, so as to facilitate the assembly of the inner core, and the inclined cutout end face and the inclined planar side wall can be used to limit the upward movement of the inner core, and the assembly stability between the inner core and the positioning block in the longitudinal direction is increased.
[0017] Further beneficial effect is that the arc-shaped edges of the upper end face of the inner core and the first arc-shaped protrusion and the second arc-shaped protrusion upwardly protruding on the edges of the upper end face of the positioning block are arranged respectively, the fitting area between the inner core and the positioning block is increased, and the assembly stability between the inner core and the positioning block is further improved.
[0018] Further beneficial effect is that the inner core and the shell are rotationally connected through the positioning block, the internal structure of the inner core pipe body is simplified, the protrusion structure does not need to be arranged on the inner wall of the inner core pipe body, so that the inner core pipe body can cut the stainless steel pipe with a corresponding inner and outer diameter to be directly used, which is beneficial to simplify the manufacturing of the faucet shell, shorten the production cycle of the faucet shell, and reduce the manufacturing cost of the faucet. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 is a structural schematic diagram of an existing faucet in the background art.
[0020] Figure 2 is a side view structural schematic diagram of an inner core self-positioning faucet assembly according to an embodiment of the present application.
[0021] Figure 3 is a top view structural schematic diagram of an inner core self-positioning faucet assembly according to an embodiment of the present application.
[0022] Figure 4 is an internal structure schematic diagram of an inner core pipe body in an inner core self-positioning faucet assembly according to an embodiment of the present application.
[0023] Figure 5 is an internal structure schematic diagram of an inner core self-positioning faucet assembly according to an embodiment of the present application. DETAILED DESCRIPTION
[0024] The present application will be further described in conjunction with the drawings and specific embodiments.
[0025] Reference Figures 1 to 5 The present application discloses a specific embodiment of a mixing faucet composed of an inner core self-positioning faucet assembly, which comprises a shell 10, an inner core 11, a valve core (not shown in the figure), an upper pressing cover (not shown in the figure), a handle (not shown in the figure), and a lower pressing cover 12. The shell 10 comprises an inner core pipe body 101 and a water outlet pipe body 102. The outer wall and the inner wall of the inner core pipe body 101 are flat without protrusions. The inner core pipe body 101 is directly cut from a food-grade stainless steel pipe. The material of the water outlet pipe body 102 is food-grade stainless steel. The water outlet pipe body 102 is provided with a water outlet channel 13. The inner core pipe body 101 is provided with a water outlet hole 14 which is in communication with the water outlet channel 13 for water outlet. The fixed end of the water outlet pipe body 102 is welded on the inner core pipe body 101. The inner core 11 is a cold and hot water mixing inner core 11. The inner core 11 is arranged in the inner core pipe body 101. The upper end surface of the inner core 11 and the upper port of the inner core pipe body 101 form a valve core cavity for installing the valve core. The inner wall of the upper port of the inner core pipe body 101 is provided with a first inner thread 15. The sidewall of the upper pressing cover is provided with a first outer thread which is in screw connection with the first inner thread 15 to press and fix the valve core on the upper end surface of the inner core 11. The lower pressing cover 12 is welded on the lower port of the inner core pipe body 101. The lower pressing cover 12 upwardly abuts against the inner core to make the cutout end surface of the inner core fit with the flat sidewall of the positioning block. The handle is fixed on the control rod of the valve core. The free end of the water outlet pipe body 102 is provided with a bubbler (not shown in the figure) in screw connection.
[0026] The inner core 11 upper end is provided with a cutout 18 facing the water outlet pipe body, the cutout end surface of the cutout 18 is parallel to the central axis of the inner core pipe body 101, the water outlet 17 of the inner core 11 is located on the end surface of the cutout 18, the cutout 18 is filled with a positioning block 19 for limiting the rotation of the inner core 11, the planar side wall 16 of the positioning block 19 is attached to the end surface of the cutout 18, the arc-shaped side wall of the positioning block 19 is attached to the inner wall of the inner core pipe body 101, the arc-shaped side wall of the positioning block 19 is provided with a positioning protrusion 20 protruding towards the water outlet pipe body 102 for limiting the movement of itself and the rotation of the inner core pipe body, the positioning protrusion 20 penetrates through the water outlet hole 14 and fills the water outlet hole 14, a water passing channel 22 is provided in the positioning block 19 and penetrates through the positioning protrusion 20 horizontally, the water passing channel 22 is in communication with the water outlet 17 and the water outlet channel 13 of the inner core 11, a first sealing structure is provided between the cutout end surface 18 and the positioning block 19 to prevent water from seeping along the gap between the inner core 11 and the positioning block 19, the first sealing structure comprises a first sealing groove 23 provided on the planar side wall 16 of the cutout end surface 18 or the positioning block 19 outside the water outlet 17 of the inner core 11, a first sealing ring 24 is provided in the first sealing groove 23, and the outer end surface of the first sealing ring 24 is pressed against the planar side wall 16 of the positioning block 19 or the cutout end surface 18. A second sealing structure is provided on the arc-shaped side wall of the positioning block 19 to prevent water from seeping along the gap between the positioning block 19 and the inner wall of the inner core pipe body 101, the second sealing structure comprises a second sealing groove 25 provided on the arc-shaped side wall of the positioning block 19 outside the water passing channel 22, a second sealing ring 26 is provided in the second sealing groove 25, and the outer end surface of the second sealing ring 26 is pressed against the inner wall of the inner core pipe body 101.
[0027] An assembling method of a mixing faucet composed of an inner core self-positioning faucet assembly
[0028] The first sealing ring 24 and the second sealing ring are installed into the first sealing groove 23 and the second sealing groove, the positioning block 19 is first inserted into the inner core pipe body 101 from the upper port and is fixed to the inner wall of the inner core pipe body 101 through the positioning protrusion 20, then the inner core 11 is inserted into the inner core pipe body 101 from the lower port of the inner core pipe body 101, the cutout end surface 18 of the inner core 11 is attached to the planar side wall 16 of the positioning block 19, the first sealing ring 24 is tightly attached between the cutout end surface 18 of the inner core 11 and the planar side wall 16 of the positioning block 19, the second sealing ring is tightly attached between the arc-shaped side wall of the positioning block 19 and the inner wall of the inner core pipe body 101, and the valve core, the upper gland, the lower gland 12 and the handle are assembled correspondingly.
[0029] Based on the above technical scheme: the arc-shaped edge of the upper end surface of the inner core 11 and the arc-shaped edge of the upper end surface of the positioning block 19 are respectively provided with first arc-shaped protrusions 27 and second arc-shaped protrusions 28, and the first arc-shaped protrusions 27 and the second arc-shaped protrusions 28 are arranged to form a valve core cavity 29 for installing an external valve core. The fitting surface of the first arc-shaped protrusions 27 and the second arc-shaped protrusions 28 increases the fitting area of the inner core 11 and the fixing block, and improves the assembly stability of the inner core 11 and the fixing block.
[0030] Based on the above technical scheme: the plane where the cut end surface 18 is located can also intersect with the central axis of the inner core pipe body 101 above the water outlet 17 of the inner core 11, so as to facilitate the assembly of the inner core 11, and the inclined cut end surface 18 and the inclined plane side wall 16 limit the upward movement of the inner core 11, and increase the assembly stability of the inner core 11 and the positioning block 19 in the longitudinal direction.
[0031] The basic principle and main features of the utility model and its advantages are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements. These changes and improvements fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A self-positioning faucet assembly with an inner core, comprising a housing and an inner core, characterized in that: The housing includes an inner core tube and an outlet tube. The outer and inner walls of the inner core tube are flat and without protrusions. The fixed end of the outlet tube is fixedly mounted on the inner core tube. The outlet tube contains an outlet channel, and the inner core tube has an outlet hole communicating with the outlet channel for water discharge. The inner core passes through the inner core tube, and a valve core cavity for installing an external valve core is formed between the upper end face of the inner core and the upper end of the inner core tube. A cutout facing the outlet tube is formed at the upper end of the inner core, and the outlet of the inner core is located on the end face of the cutout. A positioning block is filled within the cutout to restrict its own rotation and the rotation of the inner core. The planar sidewall of the positioning block fits against the cut end face, and the arc-shaped sidewall of the positioning block fits against the inner wall of the inner core tube. The arc-shaped sidewall of the positioning block protrudes towards the water outlet tube and is provided with a positioning protrusion for restricting the rotation of the inner core tube. The positioning protrusion extends through the water outlet hole and fills the water outlet hole. A water passage is provided horizontally through the positioning protrusion inside the positioning block, which is connected to the water outlet and water outlet channel of the inner core. A first sealing structure is provided between the cut end face and the positioning block to prevent water from seeping out along the gap between the inner core and the positioning block. A second sealing structure is provided on the arc-shaped sidewall of the positioning block to prevent water from seeping out along the gap between the positioning block and the inner wall of the inner core tube.
2. The self-positioning faucet assembly with inner core according to claim 1, characterized in that: The plane containing the cut end face intersects the central axis of the inner core tube above the water outlet of the inner core.
3. A self-positioning faucet assembly with an inner core according to claim 1 or 2, characterized in that: The arc-shaped edge of the upper end face of the inner core and the arc-shaped edge of the upper end face of the positioning block respectively protrude upward to form a first arc-shaped protrusion and a second arc-shaped protrusion. The first arc-shaped protrusion and the second arc-shaped protrusion surround a valve core cavity for installing an external valve core.
4. A self-positioning faucet assembly with an inner core according to claim 1 or 2, characterized in that: The first sealing structure includes a first sealing groove formed on the cut end face or the side wall of the positioning block plane around the water outlet of the inner core. A first sealing ring is provided in the first sealing groove, and the outer end face of the first sealing ring is pressed against the side wall of the positioning block plane or the cut end face.
5. A self-positioning faucet assembly with an inner core according to claim 1 or 2, characterized in that: The second sealing structure includes a second sealing groove opened on the arc-shaped sidewall of the positioning block around the outside of the water passage, and a second sealing ring is provided in the second sealing groove. The outer end face of the second sealing ring is pressed against the inner wall of the inner core tube.
6. A self-positioning faucet assembly with an inner core according to claim 1 or 2, characterized in that: The inner core tube is made of stainless steel, and the outlet tube is also made of stainless steel. The outlet tube is welded onto the inner core tube.
7. The self-positioning faucet assembly with inner core according to claim 1, characterized in that: The lower end of the inner core tube is provided with a lower pressure cap for pushing the inner core upward so that the cut end face of the inner core fits against the planar side wall of the positioning block.
8. A self-positioning faucet assembly with an inner core according to claim 7, characterized in that: The lower pressure cap is welded and fixed to the inner core tube.