CN201310655Y

CN201310655Y - Plastic faucets

Info

Publication number: CN201310655Y
Application number: CNU2008202030942U
Authority: CN
Inventors: 何灼星
Original assignee: KAIPING HUIERJIA HARDWARE PRODUCTS CO Ltd
Current assignee: KAIPING HUIERJIA HARDWARE PRODUCTS CO Ltd
Priority date: 2008-11-10
Filing date: 2008-11-10
Publication date: 2009-09-16
Anticipated expiration: 2018-11-10

Abstract

The utility model discloses a plastic faucet. The plastic faucet comprises a main body made of a plastic material, a valve plug seat with a valve plug is arranged inside the main body, the outer end of the valve plug extends outward to be connected with a handle, a water intake pipe and a water discharge port are formed on the main body and communicated with each other, the main body consists of an upper part and a lower part, and protruded bars are arranged in the cavities of the upper part and the lower part and engage with each other. After the upper part and the lower part are bonded, the protruded bars divide the inner cavity of the faucet into a cold water chamber, a hot water chamber and a mixed chamber. Through-holes capable of communicating with the valve plug are formed on the cold water chamber, the hot water chamber and the mixed chamber respectively. The lower part of the main body is provided with a connecting hole I which is communicated with the cold water chamber and the hot water chamber respectively. The connecting hole I is connected with the water intake pipe. The mixed chamber is provided with a connecting hole II which is communicated with the water discharge port. The plastic faucet has the advantages of low production cost and practicable and reliable property.

Description

A kind of plastic faucet

Technical field

The utility model relates to a kind of water tap, particularly a kind of plastic faucet.

Background technique

At present, exist various plastic faucets on the market, the mixed plastic water tap that can advance hot and cold water roughly has two kinds, and first kind mainly by plastic casing with in the enclosure intake pipe and outlet pipe is installed constituted (be as application number 200710070171.1 open file as described in); Another is mainly to be made of last lower body, be respectively equipped with the groove that cooperatively interacts in the last lower body, after the last lower body combination, the described groove shaped that cooperatively interacts becomes the water inlet and outlet passage (be as application number 200810059272.3 open file as described in) of tap, wherein, last lower body is to combine by screw connection, clamping or heated contact surface, and upward the surface coverage of lower body has one deck housing.The step of making above-mentioned plastic faucet is many, and making is got up cumbersome, wastes time and energy, and cost of production is than higher; Also have, the water inlet and outlet passage of above-mentioned second kind of water tap just is made of simple groove, the other parts of last lower body are entity, consumptive material is many, is easy to generate distortion during last lower body injection moulding, and the groove of last lower body cooperates cumbersome exactly, and the junction plane of going up lower body can expand with heat and contract with cold under the effect of hot and cold water in generation, make its junction plane the gap occur, the phenomenon that is easy to generate string water between cold/hot water passage or leaks, the use of influence tap.

The model utility content

In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide that a kind of cost of production is low, the practical and reliable plastic faucet.

The technological scheme that its technical problem that solves the utility model adopts is: a kind of plastic faucet, comprise the body of making by plastic materials, has valve core case in the body, spool is housed in the valve core case, the outer end of spool is stretched out body and is connected with handle, the intake pipe and the water outlet that communicate with valve core case also are housed on the body, described body is made of upper body that is superimposed together and lower body, it is characterized in that: upper body and following intracoelomic cavity are provided with the raised line that cooperatively interacts, after the last lower body combination, described raised line is divided into cold water cavity with the inner chamber of tap, hot water cavity and mixing chamber, cold water cavity, hot water cavity and mixing chamber are respectively equipped with the through hole that can communicate with spool, lower body is respectively equipped with and cold water cavity, the attachment hole one that hot water cavity is communicated with, attachment hole one is connected with intake pipe, and mixing chamber is provided with the attachment hole two that is communicated with water outlet.

Wherein, the described raised line of going up in the lower body is circuitous trend in length and breadth.

Wherein, described attachment hole one around be provided with the boss that can be connected with intake pipe.

Wherein, the inwall of described upper body is provided with positioning hole, and lower body is provided with the salient point that can insert in the positioning hole.

Wherein, the inwall of described lower body is provided with limiting stopper, and limiting stopper is positioned at the surface of contact edge.

The beneficial effects of the utility model are: form the cold water cavity of tap because the utility model mainly cooperatively interacts by the raised line of intracoelomic cavity up and down, hot water cavity and mixing chamber, and described cold water cavity, hot water cavity and mixing chamber are equivalent to the cold water channel of existing plastic faucet, hot water channel and exhalant canal, yet, cold water cavity, hot water cavity and mixing chamber are than the cold water channel of existing plastic faucet, hot water channel and exhalant canal space are big, thereby can significantly reduce the quantity of plastics that goes up lower body, save material, prevent that lower body from producing the phenomenon of distortion because of materials are blocked up, guarantee that the raised line surface of contact and the peripheral surface of contact of intracoelomic cavity can accurately closely be bonded together up and down, form the practical and reliable cold water cavity, hot water cavity and mixing chamber.Existing relatively technology, the utility model not only can be saved the consumption of material, can also make cold water cavity, hot water cavity and mixing chamber and body by integral forming up and down, reduce the process step of producing, reduce production costs, and guarantee that the raised line surface of contact and the peripheral surface of contact of intracoelomic cavity can accurately closely be bonded together up and down.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the stereogram of the utility model plastic faucet;

Fig. 2 is the structural representation of the utility model plastic faucet upper body;

Fig. 3 is the structural representation of the utility model plastic faucet lower body;

Fig. 4 is the rear view of Fig. 2;

Fig. 5 is the A place enlarged view of Fig. 3.

Embodiment

Referring to figs. 1 through Fig. 4, a kind of plastic faucet, comprise the body of making by plastic materials 1, has valve core case 2 in the body 1, in the valve core case 2 spool is housed, the outer end of spool is stretched out body 1 and is connected with handle 3, the intake pipe 4 and the water outlet 5 that communicate with valve core case 2 also are housed on the body 1, described body 1 is made of upper body 6 that is superimposed together and lower body 7, described upper body 6 and lower body 7 inner chambers are provided with the raised line 8 that cooperatively interacts, after the last lower body combination, described raised line 8 is divided into cold water cavity 9 with the inner chamber of tap, hot water cavity 10 and mixing chamber 11, cold water cavity 9, hot water cavity 10 and mixing chamber 11 are respectively equipped with the through hole that can communicate with spool, and lower body 7 is respectively equipped with and cold water cavity 9, the attachment hole 1 that hot water cavity 10 is communicated with, intake pipe 4 is connected on the attachment hole 1, and mixing chamber 11 is provided with the attachment hole 2 13 that is communicated with water outlet 5.Because the utility model mainly cooperatively interacts by the raised line 8 of intracoelomic cavity up and down and forms the cold water cavity 9 of tap, hot water cavity 10 and mixing chamber 11, and described cold water cavity 9, hot water cavity 10 and mixing chamber 11 are equivalent to the cold water channel of existing plastic faucet, hot water channel and exhalant canal, yet, cold water cavity 9, hot water cavity 10 and mixing chamber 11 are than the cold water channel of existing plastic faucet, hot water channel and exhalant canal space are big, thereby can significantly reduce the quantity of plastics that goes up lower body, save material, prevent that lower body from producing the phenomenon of distortion because of materials are blocked up, guarantee that raised line 8 surface of contact and the peripheral surface of contact 18 of intracoelomic cavity can accurately closely be bonded together up and down, form practical and reliable cold water cavity 9, hot water cavity 10 and mixing chamber 11.Existing relatively technology, the utility model not only can be saved the consumption of material, can also make cold water cavity 9, hot water cavity 10 and mixing chamber 11 and body by integral forming up and down, reduce the process step of producing, reduce production costs, and guarantee that raised line 8 surface of contact and the peripheral surface of contact 18 of intracoelomic cavity can accurately closely be bonded together up and down.

In order to prevent that lower body from producing distortion in the process of injection moulding, further improve the intensity that goes up lower body, the described raised line of going up in the lower body 8 is circuitous trend in length and breadth.

In addition, be provided with the boss 14 that can be connected with intake pipe 4 around the described attachment hole 1, the area that is connected with lower body of intake pipe 4 will correspondingly increase like this, and assurance intake pipe 4 and lower body 7 link together reliably; Also can further improve the sealing of 7 of intake pipe 4 and lower bodies simultaneously, prevent to leak.

Also have, the inwall of described upper body 6 is provided with positioning hole 15, and lower body 7 is provided with the salient point 16 that can insert in the positioning hole 15, makes things convenient for upper body 6 and lower body 7 to lump together accurately and reliably with this.In order to guarantee that further going up lower body lumps together accurately and reliably, the inwall of described lower body is provided with limiting stopper 17, and limiting stopper 17 is positioned at surface of contact 18 edges.

Wherein, the described material that goes up lower body is an ABS plastic, and described ABS plastic has intensity preferably, anti-aging or the like advantage.Certainly, described ABS plastic can be replaced by nylon, PC or PVC or the like plastics.

Make the method for above-mentioned plastic faucet, it is characterized in that following steps:

The first, selection: choose plastic raw material, send into the material pocket heating of injection machine then, make its fusing standby.

The second, dress mould matched moulds: will be provided with externally threaded mould accessory and be installed in the mould of the left and right sides, then matched moulds.

Three, injection moulding: above-mentioned plastics fused solution is expelled in the mould of the left and right sides, make the raised line 8 inner of the shell of lower body on the water tap one-body molded with it, cooling at room temperature after the molding and forming, the plastics fused solution is solidified, die sinking will be gone up the taking-up of lower body blank then, will be provided with externally threaded mould accessory simultaneously and screw out from last lower body blank; Thereby make the tapped hole of faucet body and the body by integral forming up and down of tap, further simplify production technology of the present utility model.

Four, lower body and the inner raised line 8 that matches thereof on the joint: utilize the high-frequency mechanical vibration of ultrasonic generator to come heat seal to connect; Its working principle is roughly the high-voltage high-frequency signal that produces 20KHZ or 15KHZ by ultrasonic generator, be signal conversion that high-frequency mechanical vibration is added on the lower body by energy converting system then, by surface and inherent intermolecular friction raise the temperature of surface of contact up and down; When temperature reached the fusing point of lower body itself, surface of contact melted rapidly, was filled in the space between interface then; When vibration stops, workpiece is cooling and shaping under certain pressure, and lower body is linked together solid and reliablely.

Five, surface treatment: remove the chimb or the burr of its junction surface annex, spray paint then or electroplate, make plastic faucet of the present utility model surface have surface attractive in appearance.

Six, assembling finished product: global facilities such as spool, intake pipe, water outlet and Decoration cup are installed in the faucet body.

With reference to Fig. 5, in order to guarantee that lower body firmly closely combines more, raised line 8 surfaces and the peripheral surface of contact 18 of the lower body among the described step C are provided with protuberant bar 19.Described protuberant bar 19 will melt under the high-frequency mechanical vibration of ultrasonic generator, combines thereby will go up lower body.

The working principle of the utility model plastic faucet is probably as follows: mention handle with sleeve 3, when spool was communicated with through

hole

20,22,24, hot and cold water will flow in the mixing chamber and mix, and flows out from water outlet 5; When spool was communicated with through

hole

20,24, what water outlet 5 flowed out was cold water or hot water; When spool was communicated with through

hole

22,24, what water outlet 5 flowed out was hot water or cold water.

Certainly, the utility model is not limited to the above embodiments, with of the present utility model be equal to or become bad embodiment also belong to protection domain of the present utility model.

Claims

1. plastic faucet, comprise the body of making by plastic materials (1), has valve core case (2) in the body (1), valve core case is equipped with spool in (2), the outer end of spool is stretched out body (1) and is connected with handle (3), the intake pipe (4) and the water outlet (5) that communicate with valve core case (2) also are housed on the body (1), described body (1) is made of the upper body that is superimposed together (6) and lower body (7), it is characterized in that: upper body (6) and lower body (7) inner chamber are provided with the raised line (8) that cooperatively interacts, after the last lower body combination, described raised line (8) is divided into cold water cavity (9) with the inner chamber of tap, hot water cavity (10) and mixing chamber (11), cold water cavity (9), hot water cavity (10) and mixing chamber (11) are respectively equipped with the through hole that can communicate with spool, lower body (7) is respectively equipped with and cold water cavity (9), the attachment hole one (12) that hot water cavity (10) is communicated with, intake pipe (4) is connected on the attachment hole one (12), and mixing chamber (11) is provided with the attachment hole two (13) that is communicated with water outlet (5).

2. a kind of plastic faucet according to claim 1 is characterized in that: the described raised line of going up in the lower body (8) is circuitous trend in length and breadth.

3. a kind of plastic faucet according to claim 1 is characterized in that: be provided with the boss (14) that can be connected with intake pipe (4) around the described attachment hole one (12).

4. a kind of plastic faucet according to claim 1 is characterized in that: the inwall of described upper body (6) is provided with positioning hole (15), and lower body (7) is provided with the salient point (16) that can insert in the positioning hole (15).

5. a kind of plastic faucet according to claim 1 is characterized in that: the inwall of described lower body is provided with limiting stopper (17), and limiting stopper (17) is positioned at surface of contact (18) edge.