Double-handle faucet main body structure and manufacturing mold

Abstract

The utility model provides a double-handle faucet main body structure and a manufacturing die, the main body structure comprises a first metal pipe, a second metal pipe, a first valve seat inserted in the first metal pipe, a second valve seat inserted in the second metal pipe, and a shell wrapping and connecting the first valve seat and the second valve seat, the first valve seat is provided with a first valve pipe, and the second valve seat is provided with a second valve pipe; the first inner pipe is arranged below the first valve pipe, the first threaded pipe is arranged on the first valve pipe, the first inner pipe is inserted into the first metal pipe, and a first side pipe is arranged on the side portion of the first valve pipe; the second valve seat is provided with a second valve pipe, a second inner pipe arranged below the second valve pipe and a second threaded pipe arranged on the second valve pipe; the second inner pipe is inserted into the second metal pipe, and a second side pipe is arranged on the side portion of the second valve pipe. The double-handle faucet body is reasonable in structural design and simple in structure, and water can be stably distributed without a sealing ring. The first valve seat and the second valve seat are formed during first injection molding of the manufacturing mold, and production of the main body structure is completed through secondary injection molding.

Description

TECHNICAL FIELD

[0001] The utility model relates to faucet technical field, specifically, relate to double handle faucet main body structure and manufacturing mould. BACKGROUND

[0002] Double handle faucet is generally H-shaped, including connecting pipe and two valve seats arranged on the two sides of connecting pipe respectively, and water outlet is arranged on the connecting pipe. The existing double handle faucet is generally formed by injection molding, such as a double handle faucet body and faucet spool cooperation structure disclosed by Chinese invention patent CN108662204B, the double handle faucet body includes integrally injection molded left and right two edge bodies and a central body, the edge body includes a valve seat and a water inlet pipe connected with the bottom of the valve seat, the two ends of the central body are connected with the two edge bodies respectively, the bottom of the valve seat is communicated with the water inlet channel of the water inlet pipe, one side of the valve seat is provided with a water outlet channel opposite to the central body and a water passing hole communicated with the water outlet channel, the other side of the valve seat is provided with a core pulling hole opposite to the water passing hole, each valve seat is fixed with a faucet spool, and a separation sealing element is arranged between the outer wall of the valve shell of the faucet spool and the inner wall of the valve seat, the separation sealing element blocks the communication between the core pulling hole and the water inlet channel of the valve seat and blocks the communication between the core pulling hole and the water outlet channel of the valve seat.

[0003] The present application can solve the water leakage problem caused by the core pulling hole by arranging the separation sealing element. The technical scheme integrally injection molds the double handle faucet body, has high precision requirements for the mold, and the core pulling difficulty increases after the main body is formed, resulting in low production efficiency and low yield. In addition, the faucet formed by the present application also needs to install the separation sealing element, which increases the installation process and production cost.

[0004] Therefore, it is urgent to improve the technical scheme to overcome the defects of the prior art. CONTENT OF THE UTILITY MODEL

[0005] In order to overcome the defects of the prior art, the utility model provides a double handle faucet main body structure and manufacturing mold, which solves the technical problem that the core pulling difficulty of the double handle faucet main body is large in the prior art, and water leakage is easy to occur.

[0006] The technical scheme of the utility model is as follows: a double handle faucet main body structure, including a first metal pipe and a second metal pipe, a first valve seat inserted into the first metal pipe and a second valve seat inserted into the second metal pipe, and an outer shell wrapping and connecting the first valve seat and the second valve seat.

[0007] The first valve seat has a first valve pipe, a first inner pipe arranged below the first valve pipe, and a first threaded pipe arranged on the first valve pipe. The first valve pipe is used for accommodating a valve body, the first inner pipe is inserted into the first metal pipe, and the first threaded pipe is used for connecting a handle. The side of the first valve pipe is provided with a first side pipe.

[0008] The second valve seat has a second valve tube, a second inner tube arranged below the second valve tube, and a second threaded tube arranged on the second valve tube. The second valve tube is used for accommodating the valve body, the second inner tube is inserted into the second metal tube, and the second threaded tube is used for connecting another handle. The side of the second valve tube is provided with a second side tube.

[0009] Preferably, after the first inner tube is inserted into the first metal tube, the first inner tube is fixedly connected with the first metal tube, and the top end of the first metal tube is fixedly connected with the bottom end of the first valve tube.

[0010] After the second inner tube is inserted into the second metal tube, the second inner tube is fixedly connected with the second metal tube, and the top end of the second metal tube is fixedly connected with the bottom end of the second valve tube.

[0011] The first side tube communicates with the first valve tube, and the second side tube communicates with the second valve tube. The first side tube and the second side tube are respectively used for conveying water in the first valve tube and the second valve tube to the shell.

[0012] The upper part and the lower part of the first valve tube are respectively provided with upper and lower convex edges along the outer wall thereof, which are used for cooperating with the shell.

[0013] The shell comprises a connecting tube and first and second valve housings arranged at two ends of the connecting tube. The first valve housing wraps the first valve tube, and the second valve housing wraps the second valve tube. The first valve seat and the second valve seat are arranged side by side, so that the first side tube and the second side tube are opposite to each other, and the first side tube and the second side tube are respectively accommodated in the connecting tube. The middle part of the connecting tube is provided with a water outlet used for connecting a faucet.

[0014] A plurality of reinforcing ribs are arranged at the connection between the connecting tube and the first and second valve housings, which are used for reinforcing the connection.

[0015] The production mold of the double-handle faucet main structure comprises a mold base, a fixed mold core arranged on the mold base, and a movable mold core matched with the fixed mold core. The fixed mold core is provided with a first valve seat forming cavity, a second valve seat forming cavity, and a shell forming cavity. The first valve seat forming cavity comprises a containing cavity containing a first metal cylinder, a valve seat forming cavity arranged at the top of the containing cavity, and a side tube forming cavity. The movable mold core is provided with a first matching cavity matched with the first valve seat forming cavity, and a second matching cavity matched with the second valve seat forming cavity. The second valve seat forming cavity has the same structure as the first valve seat forming cavity.

[0016] The shell forming cavity comprises a connecting tube forming cavity and first and second valve seat containing cavities arranged at two ends of the connecting tube forming cavity. The movable mold core is provided with a third matching cavity matched with the shell forming cavity.

[0017] The utility model discloses a beneficial effect is: the utility model discloses double handle faucet main part structure reasonable design, simple structure, core -pulling is easy after forming, and can be stable and divide water without sealing ring. When the first injection molding of manufacturing mould, only the first valve seat and second valve seat are formed, and the half -finished product of first valve seat and first metal pipe assembly is completed, and the half -finished product of second valve seat and second metal pipe assembly, core -pulling is easy, and the assembled half -finished product will not be damaged. Then with the first valve seat and first metal pipe of assembled, second valve seat and second metal pipe are as mould core, and its outer shell is formed, and the shell of injection molding only needs the core -pulling of water outlet, and core -pulling is simple, and the double handle faucet main part structure will not be damaged, and the yield is high, avoids the leakage problem of difficult core -pulling. Since the most structure of double handle faucet main part structure is twice injection molding, its wall is thin, can shorten the pressure -holding time and cooling time of injection molding, improves production efficiency. In addition, twice injection molding double handle faucet main part structure also solves the problem of plastic shrinkage deformation and leakage caused by too thick wall thickness, and the product quality is high, improves the yield of product, and reduces production cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be to the embodiment or the needed use of the prior art description of the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0019] Figure 1 It is the structure diagram of double handle faucet main part structure of the utility model.

[0020] Figure 2 It is Figure 1 It is the exploded view of double handle faucet main part structure shown.

[0021] Figure 3 It is Figure 1 It is the sectional view of double handle faucet main part structure shown.

[0022] Figure 4 It is the structure diagram of first valve seat 20.

[0023] Figure 5 It is the plan view of first valve seat 20.

[0024] Figure 6 It is the structure diagram of first valve seat 20 and first metal pipe 10 assembly.

[0025] Figure 7 It is Figure 6 The plan view of.

[0026] Figure 8 It is alongFigure 7 A-A line section view.

[0027] Figure 9 The exploded structural schematic view of the mold for manufacturing the utility model.

[0028] Figure 10 The exploded structural schematic view of the mold core and the fixed mold core for manufacturing the utility model.

[0029] Figure 11 The exploded structural schematic view of the mold core and the fixed mold core for manufacturing the utility model. Figure 10 The exploded structural schematic view of the mold core and the fixed mold core for manufacturing the utility model.

[0030] Figure 12 The structural schematic view of the mold for manufacturing the utility model to produce the double-handle faucet main body structure. DETAILED DESCRIPTION

[0031] The embodiments of the utility model are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the utility model, and cannot be understood as a limitation of the utility model.

[0032] In the description of the embodiments of the utility model, it should be understood that the orientation or position relationship indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the utility model.

[0033] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0034] Referring to Figures 1-3 A double-handle faucet main body structure, comprising a first metal pipe 10 and a second metal pipe 10', a first valve seat 20 inserted into the first metal pipe 10 and a second valve seat 20' inserted into the second metal pipe 10', and a shell 30 wrapping and connecting the first valve seat 20 and the second valve seat 20'.

[0035] Referring toFigures 2-8 The first valve seat 20 has a first valve pipe 21, a first inner pipe 22 arranged below the first valve pipe 21, and a first threaded pipe 23 arranged on the first valve pipe 21. The first valve pipe 21 is used to accommodate a valve body (not shown in the figure), the first inner pipe 22 is inserted into the first metal pipe 10, and the first threaded pipe 23 is used to connect a handle. The side of the first valve pipe 21 is provided with a first side pipe 24.

[0036] Referring to Figure 2 and Figure 3 The second valve seat 20' has a second valve pipe 21', a second inner pipe 22' arranged below the second valve pipe 21', and a second threaded pipe 23' arranged on the second valve pipe 21'. The second valve pipe 21' is used to accommodate a valve body (not shown in the figure), the second inner pipe 22' is inserted into the second metal pipe 10', and the second threaded pipe 23' is used to connect another handle. The side of the second valve pipe 21' is provided with a second side pipe 24'.

[0037] Preferably, after the first inner pipe 22 is inserted into the first metal pipe 10, the first inner pipe 22 is fixedly connected with the first metal pipe 10, and the top end of the first metal pipe 10 is fixedly connected with the bottom end of the first valve pipe 21.

[0038] After the second inner pipe 22' is inserted into the second metal pipe 10', the second inner pipe 22' is fixedly connected with the second metal pipe 10', and the top end of the second metal pipe 10' is fixedly connected with the bottom end of the second valve pipe 21'.

[0039] Referring to Figure 1 and Figure 3 The first side pipe 24 communicates with the first valve pipe 21, and the second side pipe 24' communicates with the second valve pipe 21'. The first side pipe 24 and the second side pipe 24' are respectively used to transport water in the first valve pipe 21 and the second valve pipe 21' to the connecting pipe 31 described below.

[0040] The upper part and the lower part of the first valve pipe 21 are respectively provided with upper and lower convex edges 25 and 26 along the outer wall thereof, which are used to be connected with the shell 30. The upper part and the lower part of the second valve pipe 22 are also respectively provided with upper and lower convex edges 25' and 26' along the outer wall thereof, which are used to be connected with the shell 30.

[0041] Referring to Figure 1 and Figure 2 The shell 30 includes a connecting pipe 31 and first and second valve shells 32 and 33 arranged at both ends of the connecting pipe 31. The first valve shell 32 wraps the first valve pipe 21, and the second valve shell 33 wraps the second valve pipe 21'. The first valve seat 20 and the second valve seat 20' are arranged side by side, so that the first side pipe 24 and the second side pipe 24' are opposite to each other, and the first side pipe 24 and the second side pipe 24' are respectively accommodated in the connecting pipe 31. The middle part of the connecting pipe 31 is provided with a water outlet 34, which is used to be connected with a water outlet pipe.

[0042] The connecting pipe 31 is provided with a plurality of reinforcing ribs 35 at the connecting position with the first valve housing 32 and the second valve housing 33, for reinforcing the connection.

[0043] Referring to Figures 9-12 The production mold of the double-handle faucet body structure comprises a mold base 40 and 40', a fixed mold core 41 arranged on the mold base 40, and a movable mold core 42 matched with the fixed mold core 41. The fixed mold core 41 is provided with a first valve seat forming cavity 43, a second valve seat forming cavity 44, and a housing forming cavity 45. The first valve seat forming cavity 43 comprises a containing cavity 431 containing the first metal pipe 10, a valve seat forming cavity 432 arranged at the top of the containing cavity 431, and a side pipe forming cavity 433. The movable mold core 42 is provided with a first matching cavity 46 matched with the first valve seat forming cavity 43, and a second matching cavity 47 matched with the second valve seat forming cavity 44. The second valve seat forming cavity 44 has the same structure as the first valve seat forming cavity 43.

[0044] When the first valve seat 20 and the second valve seat 20' are formed, the first metal pipe 10 and the second metal pipe 10' are respectively arranged in the two containing cavities 431. After the movable mold core 42 is combined with the fixed mold core 41, the first matching cavity 46 is matched with the first valve seat forming cavity 43, and the second matching cavity 47 is matched with the second valve seat forming cavity 44. Liquid plastic is injected into the space between the first valve seat forming cavity 43 and the first matching cavity 46, and the space between the second valve seat forming cavity 44 and the second matching cavity 47, so as to form the first valve seat 20 and the second valve seat 20'. The first valve seat 20 is fixedly connected with the first metal pipe 10, and the second valve seat 20' is fixedly connected with the second metal pipe 10'.

[0045] Referring to Figure 10 and Figure 12The shell forming cavity 45 comprises a connecting pipe forming cavity 451, a first valve seat accommodating cavity 452 and a second valve seat accommodating cavity 453 arranged at both ends of the connecting pipe forming cavity 451, and a water outlet forming cavity 454 arranged in the middle. The movable mold core 42 is provided with a third matching cavity 48 matched with the shell forming cavity 45. When the shell 30 is formed, the first valve seat 20 and the first metal pipe 10 after being formed are arranged in the first valve seat accommodating cavity 452, the second valve seat 20' and the second metal pipe 10' are arranged in the second valve seat accommodating cavity 453 as mold cores, and only an additional mold core needs to be arranged at the water outlet 34. After the movable mold core 42 and the fixed mold core 41 are closed, the third matching cavity 48 is matched with the shell forming cavity 45, liquid plastic is injected into the space between the shell forming cavity 45 and the third matching cavity 48, the shell 30 is formed, and the shell 30 wraps and connects the first valve seat 20 and the second valve seat 20', so that the double-handle faucet main body structure is produced by twice injection molding. After being formed, only the mold core at the water outlet needs to be pulled out, the mold core pulling-out process is simple and easy to operate, and the double-handle faucet main body structure will not be damaged.

[0046] The above is a further detailed description of the utility model in combination with specific preferred embodiments, and the specific implementation of the utility model cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, the architecture form can be flexible and variable without departing from the concept of the utility model, and a series of products can be derived. Any simple deduction or replacement should be regarded as belonging to the patent protection range determined by the submitted claims.

Claims

1. A main structure for a double-handle faucet, comprising a first metal tube and a second metal tube, a first valve seat inserted into the first metal tube and a second valve seat inserted into the second metal tube, and a shell enclosing and connecting the first valve seat and the second valve seat, characterized in that, The first valve seat has a first valve tube, a first inner tube disposed below the first valve tube and a first threaded tube disposed on the first valve tube, the first inner tube being inserted into the first metal tube, and a first side tube being provided on the side of the first valve tube. The second valve seat has a second valve tube, a second inner tube disposed below the second valve tube, and a second threaded tube disposed on the second valve tube; the second inner tube is inserted into the second metal tube, and a second side tube is provided on the side of the second valve tube.

2. The main structure of the double-handle faucet according to claim 1, characterized in that, After the first inner tube is inserted into the first metal tube, the first inner tube is fixedly connected to the first metal tube, and the top end of the first metal tube is fixedly connected to the bottom end of the first valve tube.

3. The main structure of the double-handle faucet according to claim 1, characterized in that, After the second inner tube is inserted into the second metal tube, the two inner tubes are fixedly connected to the second metal tube, and the top end of the second metal tube is fixedly connected to the bottom end of the second valve tube.

4. The main structure of the double-handle faucet according to any one of claims 1-3, characterized in that, The first side pipe is connected to the first valve pipe; the second side pipe is connected to the second valve pipe.

5. The main structure of the double-handle faucet according to claim 1, characterized in that, The upper and lower parts of the first valve tube are respectively provided with an upper convex edge and a lower convex edge along its outer wall.

6. The main structure of the double-handle faucet according to any one of claims 1-3, characterized in that, The outer casing includes a connecting pipe and a first valve housing and a second valve housing disposed at both ends of the connecting pipe. The first valve housing encloses the first valve pipe, and the second valve housing encloses the second valve pipe.

7. The main structure of the double-handle faucet according to claim 6, characterized in that, The first valve seat and the second valve seat are arranged side by side, such that the first side pipe and the second side pipe are opposite to each other, and the first side pipe and the second side pipe are respectively housed in the connecting pipe; the connecting pipe is provided with an outlet in the middle.

8. The main structure of the double-handle faucet according to claim 7, characterized in that, Several reinforcing ribs are provided at the connection points between the connecting pipe and the first valve housing and the second valve housing.

9. A production mold for a double-handle faucet body structure as described in any one of claims 1-8, comprising a mold base, a fixed mold core disposed on the mold base, and a movable mold core cooperating with the fixed mold core; characterized in that, The fixed mold core is provided with a first valve seat forming cavity, a second valve seat forming cavity, and a shell forming cavity; the first valve seat forming cavity and the second valve seat forming cavity each include a receiving cavity for accommodating the first metal tube or the second metal tube, a valve seat forming cavity located at the top of the receiving cavity, and a side tube forming cavity located on the side of the valve seat forming cavity; the moving mold core is provided with a first mating cavity that mates with the first valve seat forming cavity and a second mating cavity that mates with the second valve seat forming cavity.

10. The production mold for the main structure of the double-handle faucet according to claim 9, characterized in that, The outer shell forming cavity includes a connecting pipe forming cavity and a first valve seat receiving cavity and a second valve seat receiving cavity located at both ends of the connecting pipe forming cavity; the moving mold core is provided with a third mating cavity that mates with the outer shell forming cavity.

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