CN202274631U

CN202274631U - Connecting structure for electric water heater

Info

Publication number: CN202274631U
Application number: CN201120347676XU
Authority: CN
Inventors: 蒋国平
Original assignee: ZHUJI GUODA PLASTIC CO LTD
Current assignee: ZHUJI GUODA PLASTIC CO LTD
Priority date: 2011-09-16
Filing date: 2011-09-16
Publication date: 2012-06-13
Anticipated expiration: 2021-09-16

Abstract

The utility model discloses a connecting structure for an electric water heater. The connecting structure comprises a pipe body and an inner liner, and is characterized in that one end of the pipe body is fixedly connected with a connecting end plastic element, a first embedding element and a second embedding element are respectively embedded in the inner end and the outer end of the connecting end plastic element, one end of the first embedding element is embedded and arranged in the inner end of the connecting end plastic element, the other end of the first embedding element is in an external threaded structure and is projected out of the connecting end plastic element, an opening is arranged on the inner liner, a third embedding element is fixedly arranged at the opening part of the inner liner, the third embedding element is provided with an internal screw thread structure, internal screw threads of the third embedding element are matched with external screw threads of the first embedding element, and all of the first embedding element, the second embedding element and the third embedding element are made of plastic materials. The connecting structure has the advantages that the sealing performance is good, the product quality is high, and the like.

Description

A kind of syndeton of electric heater

Technical field:

The utility model relates to a kind of syndeton of electric heater, relates in particular to the inner bag of electric heater and the syndeton between the water inlet pipe and water outlet pipe.

Background technology:

At present, be used for the connector of electric heater, like water inlet pipe and outlet pipe; It in the connected mode of inner bag generally is: inner bag adopts external thread structure, and water inlet pipe and water outlet pipe all adopts female thread structure; The defective that this structure mainly exists is: because inner bag adopts external thread structure; This external thread structure generally is flush-mounted on the inner bag through copper insert, when welding, can splash on the external screw thread owing to the booty that welding produces; Can not tightening seal thereby cause between inner bag and the water inlet pipe and water outlet pipe, thus cause leaking.

On the other hand: above-mentioned connector all adopts copper insert as connector, and production cost is higher.

Have based on this, the applicant makes the utility model.

The utility model content:

The utility model purpose provides a kind of syndeton of the electric heater that can effectively improve sealing property between inner bag and the water inlet pipe and water outlet pipe and effectively reduce production costs.

The technical scheme that the utility model is taked is following: a kind of syndeton of electric heater, comprise body, inner bag, and it is characterized in that: an end of body is connected with the link plastic; First inserts, second inserts are flush-mounted in the inside and outside two ends of link plastic respectively, and first inserts, one end is flush-mounted in the inner of link plastic, and the other end of first inserts is an external thread structure; Protrude from the link plastic; On inner bag, be provided with opening, the opening part of inner bag is fixed with the 3rd inserts, and the 3rd inserts has female thread structure; The external screw thread of the internal thread of the 3rd inserts and first inserts is suitable, and described first inserts, second inserts, the 3rd inserts all adopt plastic material to process.

Further: described body is water inlet pipe or outlet pipe.

The beneficial effect of the utility model is following:

1, the utility model is set to external thread structure through the inserts on the body; Inserts on the inner bag is set to female thread structure; Thereby when preventing effectively to weld because of inner bag, the booty that welding produces splashes on the screw thread of inserts, adopts the syndeton of the utility model; Have more excellent sealing ability, product quality improves greatly.

2, the utility model is through replacing to the plastics inserts with the copper insert on the body, thereby effectively reduced production cost, simplified production technology.

Below in conjunction with accompanying drawing and specific embodiment the utility model is further described.

Description of drawings:

Fig. 1 is the structural representation of the utility model body;

Fig. 2 is the structural representation of the utility model inner bag.

The specific embodiment:

Like Fig. 1, shown in Figure 2, the syndeton of a kind of electric heater of the utility model comprises body 1, inner bag 2; Body 1 can be water inlet pipe, also can be outlet pipe, in the present embodiment; Body 1 is the plastic tube of hollow, and an end of body 1 is connected with the inside and outside two ends that link plastic 7, the first inserts 3, second inserts 4 are flush-mounted in link plastic 7 respectively; First inserts, 3 one ends are flush-mounted in the inner of link plastic 7, and the other end of first inserts 3 is an external thread structure, protrudes from link plastic 7.

In conjunction with shown in Figure 2, inner bag 2 is provided with opening 6, and opening 6 places of inner bag 2 are fixed with the 3rd inserts 5, the three inserts 5 and have female thread structure, and the external screw thread of the internal thread of the 3rd inserts 5 and first inserts 3 is suitable.

In the present embodiment, first inserts 3, second inserts 4, the 3rd inserts 5 all adopt plastic material to process.

The principle of the utility model is following:

Claims

1. the syndeton of an electric heater comprises body, inner bag, it is characterized in that: an end of body is connected with the link plastic; First inserts, second inserts are flush-mounted in the inside and outside two ends of link plastic respectively, and first inserts, one end is flush-mounted in the inner of link plastic, and the other end of first inserts is an external thread structure; Protrude from the link plastic; On inner bag, be provided with opening, the opening part of inner bag is fixed with the 3rd inserts, and the 3rd inserts has female thread structure; The external screw thread of the internal thread of the 3rd inserts and first inserts is suitable, and described first inserts, second inserts, the 3rd inserts all adopt plastic material to process.

2. the syndeton of a kind of electric heater according to claim 1, it is characterized in that: described body is water inlet pipe or outlet pipe.