Double-handle faucet main body structure and manufacturing mold

Abstract

The utility model provides a double-handle faucet body structure and a manufacturing mold. The double-handle faucet body structure comprises a faucet body, two inner pipes and two threaded pipes. The faucet body is H-shaped and is provided with two valve seats arranged on the left side and the right side and a connecting pipe connecting the two valve seats. The bottom of the valve seat extends to form a valve pipe, and the top is provided with a threaded connector. The two inner pipes are arranged in the connecting pipe and close to the joint of the valve seat and the connecting pipe; the two threaded pipes are fixedly arranged at the bottom of the valve seat and arranged outside the valve pipe in a sleeving mode. The double-handle faucet main body is reasonable in structural design. The movable mold core and the fixed mold core of the manufacturing mold are each provided with two inner pipe forming cavities and a faucet forming cavity. During first injection molding, the four inner pipe forming cavities are matched in pairs, and only two inner pipes are formed; and from the second injection molding, the inner pipe formed by the previous injection molding is used as a mold core for the injection molding of the main body structure of the double-handle faucet, and meanwhile, the four inner pipe forming cavities are matched pairwise to form two inner pipes for next use, so that the working procedures can be saved to the greatest extent, the production speed can be increased, and the production efficiency can be improved.

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 respectively arranged on both sides of connecting pipe, and water outlet is arranged on the connecting pipe. The existing double handle faucet is generally formed by injection molding, such as a faucet plastic waterway integrated structure, its molding mold and molding method disclosed by Chinese invention patent CN110360363A, the faucet plastic waterway integrated structure includes main body inner core, secondary injection layer, two side copper pipe feet, the main body inner core is a middle pipe, the two side notches of the main body inner core are inward arc-shaped notches, and a through hole vertically penetrating the main body inner core is arranged in the middle; the secondary injection layer is covered on the outer side of the main body inner core, and two valve core containing cavities communicated with the main body inner core and two middle water pipes communicated with the two valve core containing cavities are respectively formed at the two side arc-shaped notches; the two middle water pipes are respectively formed in the two side copper pipe feet by secondary injection molding, and the secondary injection layer further forms an upper water outlet and a lower water outlet on the vertical through hole in the middle of the main body inner core. The reasonable design makes the main body inner core get four fixing forces in the complete cavity of the molding mold, so that the main body inner core is stably clamped below the upper and lower sliders and cannot fall off, and cannot be offset in the complete cavity, so that the molding result can be completely realized according to the established form, and because the main body inner core no longer needs to be provided with positioning structure, limiting structure, positioning convex particle and other structures, the waterway is completely laid in the main body inner core and the secondary injection layer, so that leakage is no longer generated.

[0003] The technical scheme first injection molds the main body inner core, and secondarily injection molds the injection layer, the two valve core containing cavities and the two middle water pipes covering the main body inner core, so that the production efficiency is low, the precision requirement of the mold is high, and the yield is low.

[0004] Therefore, the technical scheme needs to be improved to overcome the defects of the prior art. INVENTION CONTENTS

[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 overcomes the technical problems that the double handle faucet main body is difficult to be cored after being formed in the prior art, and is easy to cause water leakage.

[0006] The utility model discloses a technical scheme as follows: a double-handle faucet main body structure, including faucet body, two inner tubes and two threaded pipes, the faucet body is H-shaped, has two valve seats arranged on the left and right and a connecting pipe connecting the two valve seats, a valve pipe is arranged at the bottom of the valve seat, and a threaded interface is arranged at the top, the two inner tubes are arranged in the connecting pipe and close to the connecting position of the valve seat and the connecting pipe, and the two threaded pipes are fixedly arranged at the bottom of the valve seat and sleeved on the valve pipe.

[0007] A plurality of flanges and a plurality of clamping protrusions are arranged on the outer wall of the inner tube.

[0008] A plurality of notch grooves are arranged at the top end of the threaded pipe.

[0009] A water outlet is arranged at the middle part of the connecting pipe.

[0010] A reinforcing seat is arranged at the connecting position of the connecting pipe and the valve seat, and a plurality of reinforcing ribs are arranged on the reinforcing seat.

[0011] The valve seat and the inner tube are communicated.

[0012] The manufacturing mold of the double-handle faucet main body structure includes a movable die holder, a fixed die holder, a fixed die core arranged on the fixed die holder and a movable die core arranged on the movable die holder, two inner tube forming cavities and a faucet forming cavity are arranged on the fixed die core, two inner tube forming cavities and a faucet forming cavity are also arranged on the movable die core, the four inner tube forming cavities are arranged in pairs to surround the space between the two inner tube forming cavities, and the space between the two inner tube forming cavities is used for forming a complete inner tube, and the space between the two faucet body forming cavities is used for forming a complete faucet body.

[0013] An arc-shaped groove and a clamping protrusion are arranged on the cavity wall of the inner tube forming cavity.

[0014] Each faucet forming cavity includes a connecting pipe forming cavity for forming a connecting pipe, a valve seat forming cavity arranged at the two ends of the connecting pipe forming cavity, a threaded interface forming cavity arranged at the top end of the valve seat forming cavity and a valve pipe forming cavity arranged at the bottom end of the valve seat forming cavity, and a water outlet forming cavity is further arranged at the middle part of the connecting pipe forming cavity.

[0015] A reinforcing seat forming cavity is arranged between the valve seat forming cavity and the connecting pipe forming cavity, and the cavity wall of the reinforcing seat forming cavity is recessed to form a reinforcing rib forming cavity.

[0016] The utility model discloses a beneficial effect is: the utility model discloses double handle faucet main body structure reasonable design, simple structure. The movable mould core and the fixed mould core of manufacturing mould are equipped with two inner tube forming cavities and a faucet forming cavity. When first injection moulding, four inner tube forming cavities two cooperation only form two inner tubes. From second injection moulding, the inner tube of last injection moulding is used as the mould core of double handle faucet main body structure injection moulding, and four inner tubes two cooperation form two inner tubes for next injection moulding double handle faucet main body structure, can save the process to the greatest extent, and the production speed is accelerated, and the production efficiency is improved. Moreover, the inner tube is as the mould core of connecting pipe forming, need not extract from the connecting pipe, thereby reduce the damage of extraction mould core to the forming product, improve the product quality. BRIEF DESCRIPTION OF DRAWINGS

[0017] 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 prior art description needed to use the drawing briefly introduced, obviously, the following description in the drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the structure diagram of double handle faucet main body structure of the utility model.

[0019] Figure 2 It is Figure 1 It is the exploded view schematic diagram of double handle faucet main body structure shown in the figure.

[0020] Figure 3 It is Figure 1 It is the sectional view of double handle faucet main body structure shown in the figure.

[0021] Figure 4 It is the structure schematic diagram of inner tube 20.

[0022] Figure 5 It is the exploded view schematic diagram of manufacturing mould of the utility model.

[0023] Figure 6 It is the exploded view schematic diagram of manufacturing mould of the utility model.

[0024] Figure 7 It is the exploded view schematic diagram of another angle of manufacturing mould of the utility model. DETAILED DESCRIPTION

[0025] The embodiments of the present application are described below in detail, examples of the embodiments are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application.

[0026] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application 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 present application.

[0027] In addition, the terms "first", "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 as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0028] Referring to Figures 1-4 A double-handle faucet main body structure, comprising a faucet body 10, two inner pipes 20 and two threaded pipes 30. The faucet body 10 is H-shaped, having two valve seats 11 arranged left and right and a connecting pipe 12 connecting the two valve seats. The bottom of the valve seat 11 is provided with a valve pipe 13, and the top is provided with a threaded interface 14. The two inner pipes 20 are placed in the connecting pipe 12 near the connection between the valve seat and the connecting pipe 12. The two threaded pipes 30 are fixedly arranged at the bottom of the valve seat 11 and are sleeved outside the valve pipe 13. The threaded interface 14 is used to connect the faucet handle.

[0029] A plurality of flanges 21 and a plurality of clamping protrusions 22 are arranged on the outer wall of the inner pipe 20, which are connected stably and do not fall off when the faucet body is injection molded outside the inner pipe.

[0030] The top end of the threaded pipe 30 is provided with a plurality of notched grooves 31, which are connected stably and do not fall off when the faucet body is injection molded outside the threaded pipe.

[0031] The middle part of the connecting pipe 12 is provided with a water outlet 15. It is used to connect the water outlet pipe.

[0032] The connection between the connecting pipe 12 and the valve seat 11 is provided with a reinforcing seat 16, and a plurality of reinforcing ribs 17 are arranged on the reinforcing seat to stabilize the connection between the two, preventing water leakage.

[0033] The valve seat 11 and the inner tube 20 are in communication. Specifically, the valve seat 11 is provided with a through hole 18 on the side wall facing the inner tube.

[0034] Referring to Figures 5-7 The manufacturing mold of the double handle faucet body structure includes a movable mold base 50, a fixed mold base 40, a fixed mold core 41 provided on the fixed mold base 40, and a movable mold core 51 provided on the movable mold base 50. The movable mold core 51 and the fixed mold core 41 cooperate to form a molding cavity. Specifically, the fixed mold core 41 is provided with two inner tube molding cavities 42 and a faucet molding cavity 43. The movable mold core is also provided with two inner tube molding cavities 42 and a faucet molding cavity 53. Each inner tube molding cavity can be used to form one half of a complete inner tube, and the faucet molding cavity can also be used to form one half of a complete faucet body.

[0035] When the mold is closed, the fixed mold core 41 cooperates with the movable mold core 51, and the four inner tube molding cavities 42 are formed in pairs, and the space between them is used to form a complete inner tube 20. The two faucet body molding cavities 43 form a space between them for forming a complete double handle faucet body structure.

[0036] An arc-shaped groove 421 is provided on the cavity wall of the inner tube molding cavity 42 for forming a flange 422 on the outer wall of the inner tube during injection molding of the inner tube. The cavity wall of the inner tube molding cavity is also provided with a plurality of grooves for forming the clamping protrusions on the outer wall of the inner tube during injection molding of the inner tube.

[0037] Each faucet molding cavity 43 includes a connecting pipe molding cavity 431 for forming the connecting pipe 12, a valve seat molding cavity 432 provided at both ends of the connecting pipe molding cavity, a threaded interface molding cavity 433 provided at the top and bottom ends of the valve seat molding cavity 432, and a valve pipe molding cavity 434.

[0038] The cavity wall of the threaded interface molding cavity 433 is provided with threads. A reinforcing seat molding cavity 436 is provided between the valve seat molding cavity and the connecting pipe molding cavity, and the cavity wall of the reinforcing seat molding cavity 436 is recessed to form a reinforcing rib molding cavity 437.

[0039] The middle part of the connecting pipe molding cavity 431 is also provided with a water outlet molding cavity 438.

[0040] The method for producing the double-handle faucet body structure by using the manufacturing mold comprises the following steps: after starting and clamping the mold, two inner pipes 20 are first molded in the enclosed inner pipe molding cavity 42 during the first injection molding; from the second injection molding, the two inner pipes 20 molded in the previous injection molding are placed in the connecting pipe molding cavity 431, while two threaded pipes 30 are respectively placed in two valve pipe molding cavities 434, then the mold is clamped, and injection materials are respectively injected into the inner pipe molding cavity 42 and the faucet molding cavity 43, so as to simultaneously mold two inner pipes 20 and a faucet body. Thus, the inner pipes molded in the previous injection molding are used for producing the double-handle faucet body structure in the next injection molding, which can save the process to the maximum extent, speed up the production, and improve the production efficiency. Moreover, the inner pipe 20 also serves as the mold core for the connecting pipe molding, and thus it is not necessary to extract the connecting pipe 12, thereby reducing the damage of the extraction of the mold core to the molded product and improving the product quality.

[0041] The above is the further detailed description of the utility model in combination with the specific preferred embodiments, and cannot be deemed as the limitation of the specific implementation of the utility model to these descriptions. For the ordinary skilled in the art to which the utility model belongs, the architecture form can be flexible and changeable without departing from the concept of the utility model, and a series of products can be derived. Only a few simple deductions or replacements should be deemed as belonging to the patent protection range determined by the submitted claims of the utility model.

Claims

1. A dual handle faucet body structure, characterized by, The faucet body, two inner pipes and two threaded pipes; the faucet body is H-shaped, having two valve seats arranged on the left and right and a connecting pipe connecting the two valve seats; the bottom of the valve seat is extended with a valve pipe, and the top is provided with a threaded interface; the two inner pipes are arranged in the connecting pipe near the connection between the valve seat and the connecting pipe; the two threaded pipes are fixedly arranged at the bottom of the valve seat and are sleeved outside the valve pipe.

2. The dual handle faucet body structure of claim 1, wherein, The outer wall of the inner pipe is provided with a plurality of flanges and a plurality of clamping protrusions.

3. The dual handle faucet body structure of claim 1, wherein, The top end of the threaded pipe is provided with a plurality of notched grooves.

4. The dual handle faucet body structure of claim 1, wherein, The middle part of the connecting pipe is provided with a water outlet.

5. The dual handle faucet body structure of claim 1, wherein, The connection part of the connecting pipe and the valve seat is provided with a reinforcing seat, and the reinforcing seat is provided with a plurality of reinforcing ribs.

6. The dual handle faucet body structure of claim 1, wherein, The valve seat and the inner pipe are communicated.

7. The mold for manufacturing a dual handle faucet body structure according to any one of claims 1 to 6, comprising a movable mold base and a fixed mold base, a fixed mold core provided on the fixed mold base, and a movable mold core provided on the movable mold base, wherein The fixed mold core is provided with two inner pipe forming cavities and a faucet forming cavity; the movable mold core is also provided with two inner pipe forming cavities and a faucet forming cavity; the four inner pipe forming cavities are surrounded two by two, and the space between them is used for forming the inner pipe; two faucet body forming cavities are surrounded, and the space between them is used for forming the faucet.

8. The manufacturing mold for a dual handle faucet body structure according to claim 7, wherein, The cavity wall of the inner pipe forming cavity is provided with an arc-shaped groove and a clamping protrusion.

9. The manufacturing mold for a dual handle faucet body structure according to claim 7, wherein, Each of the faucet forming cavities comprises a connecting pipe forming cavity for forming a connecting pipe, a valve seat forming cavity arranged at both ends of the connecting pipe forming cavity, a threaded interface forming cavity arranged at the top end and the bottom end of the valve seat forming cavity, and a valve pipe forming cavity; the middle part of the connecting pipe forming cavity is also provided with a water outlet forming cavity.

10. The manufacturing mold for a dual handle faucet body structure according to claim 7, wherein, The valve seat forming cavity and the connecting pipe forming cavity are provided with a reinforcing seat forming cavity, and the cavity wall of the reinforcing seat forming cavity is recessed to form a reinforcing rib forming cavity.

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