CN204478518U - Anti-electricity wall and there is the electric heater of this anti-electricity wall - Google Patents

Abstract

The utility model relates to anti-electricity wall and has the electric heater of this anti-electricity wall.A kind of anti-electricity wall, comprise the shell body of insulation, inner housing, shell body is provided with cavity, center water channel, and center water channel stretches in cavity, inner housing to insert in cavity and covers on above the water channel of center, form inner lead between center water channel outer wall and inner housing inwall, form outer water channel between the outer wall of inner housing and cavity inner wall, inner lead is communicated with center water channel, inner lead is communicated with outer water channel, little and the pressure-bearing of volume, effectively can reduce installation site, reduces resistance to water-flow.There is the electric heater of this anti-electricity wall, safe and reliable.

Description

Anti-electric wall and electric water heater with the anti-electric wall

technical field

The utility model relates to an electric protection wall and an electric water heater with the electric protection wall.

Background technique

In the prior art, in order to achieve a safe and reliable effect, most storage-type electric water heaters use anti-electric wall protection measures. The principle of the anti-electric wall is the water resistance attenuation isolation method. By lengthening the waterway, the resistance value of the water is increased, so that the current of the charged water body is lower than the safe current of the human body. However, the pipeline of the one-way channel type anti-electricity wall will be very long and occupy a large installation position; the concentric eddy current type anti-electricity wall does not bear pressure, has large resistance, and is large in size, so it is necessary to add an outer cover to beautify its appearance and increase the power The volume of the water heater. In order to overcome these defects, the anti-electric wall and the electric water heater with the anti-electric wall have been improved.

Contents of the invention

The technical problem to be solved by the utility model is to provide an anti-electricity wall and an electric water heater with the anti-electricity wall, which are small in size and pressure-resistant, can effectively reduce the installation position, and reduce the water flow resistance.

The technical solution adopted by the utility model to solve the technical problem is: a kind of electric protection wall, including an insulating outer shell and an inner shell, the outer shell is provided with a cavity, a central water channel, the central water channel extends into the cavity, and the inner shell Inserted into the cavity and covered above the central waterway, an inner waterway is formed between the outer wall of the central waterway and the inner wall of the inner shell, an outer waterway is formed between the outer wall of the inner shell and the inner wall of the cavity, the inner waterway communicates with the central waterway, and the inner waterway connects with the outer Waterways are connected.

The central waterway, the inner waterway and the outer waterway are arranged coaxially.

The bottom of the inner casing is provided with supporting columns arranged at intervals, the supporting columns are in contact with the bottom of the cavity, and the gaps between adjacent supporting columns are connected to the inner waterway and the outer waterway.

The outer wall of the inner casing is provided with reinforcing ribs at intervals, and the reinforcing ribs form a gap between the outer wall of the inner casing and the inner wall of the cavity.

The top of the inner casing is provided with bosses, and the gap between adjacent bosses forms the water outlet of the outer water channel.

A cover plate is provided above the boss, and a water hole communicating with the water outlet of the outer water channel is provided on the cover plate.

The reinforcing ribs, bosses, and cover plates are integrally formed with the inner shell.

It also includes a plug installed above the boss, which is provided with a water hole communicating with the water outlet of the external waterway. The upper part of the outer shell is provided with internal threads, and the plug has external threads. body threaded connection.

The reinforcing rib extends from the lower part of the inner casing to the upper part of the inner casing and is integrally connected with the boss.

An electric water heater, comprising an inner tank, a water pipe joint, the water pipe joint is fixed on the inner tank and is provided with a water hole communicating with the inner tank, and also includes the above-mentioned anti-electric wall, the outer shell is connected to the water pipe joint, and the central water channel is connected to the outer The pipeline is connected, and the water outlet of the outer water channel is connected with the water hole on the water pipe joint.

Compared with the background technology, the utility model has the beneficial effects: because the utility model adopts an outer casing and an inner casing including insulation, the outer casing is provided with a cavity and a central waterway, and the central waterway extends into the cavity, and the inner casing Inserted into the cavity and covered above the central waterway, an inner waterway is formed between the outer wall of the central waterway and the inner wall of the inner shell, an outer waterway is formed between the outer wall of the inner shell and the inner wall of the cavity, the inner waterway communicates with the central waterway, and the inner waterway connects with the outer The water channel connection scheme, the combination of the inner shell and the outer shell forms a circuitous water flow channel, which is small in size and pressure-bearing, which can effectively reduce the installation position and reduce the water flow resistance.

Description of drawings

Fig. 1 is a kind of structural representation of electric wall of the present utility model;

Fig. 2 is the sectional view of Fig. 1;

Fig. 3 is a connection structure diagram of Fig. 2 applied to the water flow pipeline;

Fig. 4 is another kind of structure schematic diagram of the electric protection wall of the present invention;

Fig. 5 is the structural representation of Fig. 4 being applied in the electric water heater;

Figure 6 is an exploded view of Figure 5;

Fig. 7 is the third structure schematic diagram of the electric protection wall of the present invention;

Fig. 8 is a partial schematic diagram of Fig. 7 applied to an electric water heater.

Detailed ways

Referring to Fig. 1, Fig. 2, Fig. 4, Fig. 5 and Fig. 7, the electric protection wall of this embodiment includes an insulating outer shell 1 and an inner shell 2, and the outer shell 1 is provided with a cavity 3, a central water channel 5, and a central The waterway 5 extends into the cavity 3, the inner casing 2 is inserted into the cavity 3 and covered above the central waterway 5, an inner waterway 6 is formed between the outer wall of the central waterway 5 and the inner wall of the inner casing 2, and the outer wall of the inner casing 2 and the The outer waterway 7 is formed between the inner walls of the cavity 3, the inner waterway 6 communicates with the central waterway 5, the inner waterway 6 communicates with the outer waterway 7, the combination of the outer shell 1 and the inner shell 2 forms a circuitous waterway, and the water flows through the central waterway 5 Flow to the inner waterway 6, then flow into the outer waterway 7, and finally enter the external pipe or container; or the water flow flows into the inner waterway 6 through the outer waterway 7, then flows into the central waterway 5, and finally flows out of the pipe or container, regardless of whether it is installed on the water inlet pipeline and/or Or on the water outlet pipeline, a sufficiently long waterway is guaranteed to achieve a safe effect.

Compared with the one-way channel type anti-electric wall in the existing structure, the one-way pipeline of the anti-electric wall in the utility model is shorter, and the installation space occupied is small; compared with the existing concentric eddy current type anti-electric wall, the utility model The anti-electric wall is under pressure and the water flow resistance is small. It does not need to add an outer cover to beautify its appearance. When it is used on an electric water heater, it occupies a small volume.

Specifically, the central waterway 5, the inner waterway 6, and the outer waterway 7 are coaxially arranged, and the coaxial arrangement of the three makes the water flow uniform in the axial direction.

The bottom of the inner casing 2 is provided with support columns 21 arranged at intervals, the support columns 21 are in contact with the bottom of the cavity 3 , and the gaps between adjacent support columns 21 communicate with the inner water channel 6 and the outer water channel 7 . The support column 21 props up the inner casing 2 to ensure that the inner casing 2 can cover the top of the central waterway 5, and there is a certain gap between the top of the inner casing 2 and the water outlet of the central waterway 5, so as to ensure that the central waterway 5 and the inner The connection of waterway 6.

The outer wall of the inner casing 2 is provided with reinforcing ribs 22 at intervals, and the reinforcing ribs 22 form an outer water channel 7 between the outer wall of the inner casing 2 and the cavity 3 . The reinforcing rib 22 is to form a gap between the outer wall of the inner shell 2 and the wall of the cavity 3 on the one hand, and to increase the strength of the inner shell 2 to prevent the inner shell 2 from breaking.

The top of the inner casing 2 is provided with bosses 23 , and the gap between adjacent bosses 23 forms the water outlet of the outer water channel 7 .

As shown in Figure 4 and Figure 5, the top of the boss 23 is provided with a cover plate 24, the cover plate 24 is provided with a water hole communicating with the water outlet of the outer water channel 7, the cover plate 24 and the boss 23 In combination, the water flowing out from the water outlet of the outer water channel 7 flows out through the water hole on the cover plate 24 .

Further, the reinforcing rib 22 , boss 23 , cover plate 24 are integrally formed with the inner casing 2 . As shown in Fig. 4 and Fig. 5, the inner casing 2 is integrally formed with each component, which has a simple structure and is easy to install.

As shown in Figure 1, Figure 2 and Figure 3, when the electric protection wall of the present invention is directly installed in the water flow pipeline, it also includes a plug 10 installed above the boss 23, and the plug 10 is provided with a The water passage hole connected to the water outlet of the water channel 7, the upper part of the outer shell 1 is provided with internal threads, and the plug 10 has external threads, the plug 10 is threadedly connected with the outer shell 1, and the plug 10 fixes the inner shell 2 In the inner casing 1. In this embodiment, the exterior of the outer casing 2 is also provided with external threads, and the outer casing 2 is connected to the water pipes at both ends through the external threads, so that the water flow pipeline has an anti-electricity function, which is safe and reliable.

Preferably, as shown in Fig. 1, Fig. 4 and Fig. 6, the reinforcing rib 22 extends from the lower part of the inner casing 2 to the upper part of the inner casing 2 and is integrated with the boss 23. In this structure, the reinforcing rib 22 is longer, so that the strength of the inner shell 2 is greater, and according to R=ρL/S (R is the resistance, S is the cross-sectional area, L is the length, and ρ resistivity), the reinforcing rib 22 is formed from the bottom of the inner shell 2 It extends to the upper part of the inner shell 2 and is integrated with the boss 23. The gap between adjacent ribs 22 forms a separate water flow channel. Under the same water resistance R, the cross-sectional area of the water flow in this structure is S is small, so the length L is relatively short, which can effectively reduce the volume of the anti-electric wall and facilitate installation.

As shown in Figure 5, Figure 6, and Figure 8, an electric water heater includes an inner tank 9, a water pipe joint 4, and a sealing ring 8. The hole also includes the above-mentioned anti-electric wall, the outer shell 1 is connected to the water pipe joint 4, the water inlet of the central water channel 5 is communicated with the external pipeline, and the water outlet of the outer water channel 7 is communicated with the water hole on the water pipe joint 4. The electric protection wall of the utility model is installed on the water inlet pipe and/or the water outlet pipe of the electric water heater, and plays a safety role. Sealing ring 8 is installed in the junction between electric wall and water pipe joint 4, prevents water leakage.

Further, the upper part of the outer casing 1 is provided with an external thread, and the connection between the water pipe joint 4 and the outer casing is provided with an internal thread, and the outer casing 1 and the water pipe joint 4 are screwed together, which has a simple structure and is easy to install.

Claims (10)

1. an anti-electricity wall, it is characterized in that the shell body (1) comprising insulation, inner housing (2), shell body (1) is provided with cavity (3), center water channel (5), center water channel (5) stretches in cavity (3), inner housing (2) to insert in cavity (3) and covers on center water channel (5) top, inner lead (6) is formed between center water channel (5) outer wall and inner housing (2) inwall, outer water channel (7) is formed between the outer wall of inner housing (2) and cavity (3) inwall, inner lead (6) is communicated with center water channel (5), inner lead (6) is communicated with outer water channel (7).

2. anti-electricity wall according to claim 1, is characterized in that described center water channel (5), inner lead (6), outer water channel (7) are coaxially arranged.

3. anti-electricity wall according to claim 1 and 2, it is characterized in that the bottom of described inner housing (2) is provided with spaced support column (21), support column (21) contacts with cavity (3) bottom, and the gap between adjacent supports post (21) is communicated with inner lead (6) and outer water channel (7).

4. anti-electricity wall according to claim 3, the outer wall that it is characterized in that described inner housing (2) is interval with reinforcement (22), and reinforcement (22) makes to form gap between inner housing (2) outer wall and cavity (3) inwall.

5. anti-electricity wall according to claim 4, it is characterized in that the top of described inner housing (2) is provided with boss (23), the gap between adjacent lands (23) forms the delivery port of outer water channel (7).

6. anti-electricity wall according to claim 5, it is characterized in that the top of described boss (23) is provided with cover plate (24), cover plate (24) is provided with the limbers be communicated with the delivery port of outer water channel (7).

7. anti-electricity wall according to claim 6, is characterized in that described reinforcement (22), boss (23), cover plate (24) and inner housing (2) are one-body molded.

8. anti-electricity wall according to claim 5, characterized by further comprising the plug (10) being arranged on boss (23) top, plug (10) is provided with the limbers be communicated with outer water channel (7) delivery port, the top of described shell body (1) is provided with internal thread, (10) have external screw thread to plug, and plug (10) is threaded with shell body (1).

9. anti-electricity wall according to claim 5, is characterized in that described reinforcement (22) extends to the top of inner housing (2) from the bottom of inner housing (2) and links into an integrated entity with boss (23).

10. an electric heater, comprise inner bag (9), water pipe head (4), water pipe head (4) is fixed on inner bag (9) and goes up and be provided with the limbers be communicated with inner bag (9), characterized by further comprising the anti-electricity wall described in any one of claim 1 ~ 6, shell body (1) is connected with water pipe head (4), center water channel (5) is communicated with exterior line, and outer water channel (7) delivery port is communicated with the limbers in water pipe head (4).