CN210242010U

CN210242010U - Safety valve

Info

Publication number: CN210242010U
Application number: CN201920621221.9U
Authority: CN
Inventors: Yihui Ye; 叶益辉; Xiangying Zhao; 赵相盈; Youting Cheng; 程优婷
Original assignee: Linhai Weixing New Building Materials Co Ltd
Current assignee: Linhai Weixing New Building Materials Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-04-03
Anticipated expiration: 2029-04-30

Abstract

The utility model provides a safety valve, this safety valve includes: the device comprises a body, an electric insulation mechanism and a connecting pipe which is made of a preset insulation material and has a preset length and a preset inner diameter; the outlet end of the body is integrally formed with the first end of the connecting pipe through the electricity isolating mechanism, the second end of the connecting pipe is used for extending into the electric water heater, and the electricity isolating mechanism is connected with the electric water heater; the inside of isolating from the electricity mechanism is provided with transfer passage, and the inside pipeline of body and the inside homogeneous phase intercommunication of transfer passage and connecting pipe. The utility model discloses in, with body and isolated electric mechanism and connecting pipe integrated into one piece, need not to connect a plurality of parts as prior art, the preparation is convenient for each junction is more stable, has improved holistic intensity effectively, has not only kept the effect that prevents that pressure from transfiniting of relief valve self, and in addition, material, length and the internal diameter of connecting pipe can weaken the electric current effectively, reduce the risk of electric leakage, have guaranteed user's personal safety.

Description

Safety valve

Technical Field

The utility model relates to the technical field of valves, particularly, relate to a relief valve.

Background

The electric water heater is a water heater which heats by taking electricity as energy. The water inlet end of the electric water heater is connected with a water delivery pipe, and the water delivery pipe is provided with a safety valve to prevent the pressure in the electric heater from rising or the internal pressure from exceeding the limit. When the electric water heater is electrified to work, the water inside the electric water heater is electrified, so that the electric leakage phenomenon is easy to occur, and the joint of the water delivery pipe and the safety valve is unstable, so that the risk of electric leakage is increased, and the personal safety of a user is threatened.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a relief valve aims at solving among the prior art electric water heater and easily leaks electricity and threatens the problem of user's personal safety.

The utility model provides a safety valve, this safety valve includes: the device comprises a body, an electric insulation mechanism and a connecting pipe which is made of a preset insulation material and has a preset length and a preset inner diameter; the outlet end of the body is integrally formed with the first end of the connecting pipe through the electricity isolating mechanism, the second end of the connecting pipe is used for extending into the electric water heater, and the electricity isolating mechanism is connected with the electric water heater; the inside of isolating from the electricity mechanism is provided with transfer passage, and the inside pipeline of body and the inside homogeneous phase intercommunication of transfer passage and connecting pipe.

Further, in the safety valve, the electricity isolating mechanism includes: electricity-proof walls and annular connectors; the first end of the electricity-proof wall and the outlet end of the body are integrally formed, the second end of the electricity-proof wall and the first end of the connecting pipe are integrally formed, and the interior of the electricity-proof wall is hollow so as to form a conveying channel; the connecting piece is sleeved outside the first end of the connecting pipe and integrally formed with the second end of the electricity-proof wall, and the connecting piece is connected with the electric water heater.

Furthermore, in the safety valve, the end face of the first end of the electricity-proof wall is provided with an annular first groove which is sunken towards the second end, and the pipe wall at the outlet end of the body is inserted into the first groove and is integrally formed with the first end of the electricity-proof wall.

Further, in the safety valve, at least one circle of annular first dovetail grooves are formed in the pipe wall at the outlet end of the body, and the first end of the electricity-proof wall and the outlet end of the body are integrally formed in an injection molding mode and are plugged.

Further, in the safety valve, an annular bulge is convexly arranged on the end face of the second end of the electricity-proof wall, the first end of the connecting pipe and the bulge are integrally formed, and the inside of the bulge is communicated with the conveying channel and the inside of the connecting pipe.

Furthermore, in the safety valve, the end face of the second end of the electricity-proof wall is provided with an annular second groove which is concave towards the first end, the connecting piece is sleeved outside the convex part, the first end of the connecting piece extends into the second groove and is integrally formed with the second end of the electricity-proof wall, and the second end of the connecting piece is connected with the electric water heater.

Further, in the safety valve, at least one circle of annular second dovetail groove is formed in the outer side wall of the first end of the connecting piece, and the second end of the electricity-proof wall and the first end of the connecting piece are integrally formed in an injection molding mode and are plugged.

Further, in the safety valve, the outer side wall of the second end of the connecting piece is provided with a thread for being screwed with the electric water heater.

Further, the safety valve further includes: a blow-off pipe and a plugging piece; wherein, the blow-off pipe is arranged at the bottom of the body and communicated with the internal pipeline of the body; the blocking piece is detachably arranged on the sewage draining pipe to block the sewage draining pipe.

Further, in the safety valve, the outer wall of the drain pipe is provided with threads, the plugging piece is a screw cap, and the screw cap is in threaded connection with the drain pipe.

The utility model discloses in, with body and isolated electric mechanism and connecting pipe integrated into one piece, need not to connect a plurality of parts as prior art, the preparation is convenient, make each junction more stable, holistic intensity has been improved effectively, the effect that prevents that the pressure of relief valve self from transfiniting has not only been kept, and in addition, the material of connecting pipe, length and internal diameter can weaken the electric current effectively, reduce the risk of electric leakage, user's personal safety has been guaranteed, the problem of the easy electric leakage threat user's of electric water heater personal safety among the prior art has been solved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a safety valve provided in an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a safety valve provided in an embodiment of the present invention. As shown in the drawings, the safety valve may be applied to an electric water heater, and may also be applied to other fields. The safety valve includes: body 1, electric isolation mechanism 2 and connecting pipe 3. The outlet end of the body 1 is integrally formed with the first end of the connecting pipe 3 through the electricity isolating mechanism 2, the second end of the connecting pipe 3 is used for extending into the electric water heater, and the electricity isolating mechanism 2 is connected with the electric water heater. Specifically, the body 1 is disposed at the water inlet end of the electric water heater, the outlet end of the body 1 is integrally formed with the electricity isolating mechanism 2, and the electricity isolating mechanism 2 is integrally formed with the first end of the connecting pipe 3.

The inside of the electricity isolating mechanism 2 is provided with a conveying channel 21, and the internal pipeline of the body 1 is communicated with the conveying channel 21 and the inside of the connecting pipe 3 so as to convey external water into the electric water heater through the inside of the body 1, the conveying channel 21 and the connecting pipe 3. Specifically, the delivery passage 21 is cylindrical, and the inner diameter of the internal pipeline of the body 1 is the same as the inner diameter of the delivery passage 21 and the inner diameter of the connecting pipe 3, so that external water can be smoothly delivered into the electric water heater, and resistance caused by different inner diameters is avoided.

The connecting pipe 3 is made of a preset insulating material, and preferably, the connecting pipe 3 is a PPR plastic pipe. And, connecting pipe 3 has preset length and preset the internal diameter to the conduction path of restriction water for water reaches and predetermines the resistance, should predetermine the resistance and can make even the electric leakage also can not reach fatal current value, thereby guaranteed the personal safety. In specific implementation, the preset insulation material, the preset length and the preset inner diameter can be determined according to actual conditions, and this embodiment does not limit this.

It can be seen that, in this embodiment, with body 1 and 3 integrated into one piece of electricity isolation mechanism 2 and connecting pipe, need not to connect a plurality of parts as prior art, the preparation is convenient, make each junction more stable, holistic intensity has been improved effectively, the effect that prevents pressure overrun of relief valve self has not only been kept, and, the material of connecting pipe 3, length and internal diameter can weaken the electric current effectively, reduce the risk of electric leakage, user's personal safety has been guaranteed, the problem that the easy electric leakage threatens user's personal safety among the prior art has been solved.

Referring to fig. 1, in the above embodiment, the electricity isolating mechanism 2 may include: electricity-proof walls 22 and connectors 23. Wherein, the first end (left end shown in fig. 1) of the electricity-proof wall 22 is integrally formed with the outlet end (right end shown in fig. 1) of the body 1, the second end (right end shown in fig. 1) of the electricity-proof wall 22 is integrally formed with the first end (left end shown in fig. 1) of the connecting pipe 3, and the interior of the electricity-proof wall 22 is hollow to form the conveying passage 21. Specifically, the electricity-proof wall 22 is made of plastic, so that the first end of the electricity-proof wall 22 and the outlet end of the body 1 are integrally formed by injection molding, and the second end of the electricity-proof wall 22 and the first end of the connecting pipe 3 are also integrally formed by injection molding.

The connecting member 23 is annular, the connecting member 23 is sleeved outside the first end of the connecting tube 3, specifically, the inner diameter of the connecting member 23 is greater than or equal to the outer diameter of the connecting tube 3, and the connecting member 23 and the connecting tube 3 are only in contact with each other but not connected to each other, that is, the connecting member 23 is only sleeved outside the connecting tube 3 without any connection relationship. And, the connecting piece 23 is integrally formed with the second end of the electricity-proof wall 22, specifically, the second end of the electricity-proof wall 22 has a predetermined wall thickness, and the first end of the connecting pipe 3 and the connecting piece 23 are integrally formed with the end face of the second end of the electricity-proof wall 22. In specific implementation, the preset wall thickness may also be determined according to actual conditions, and this embodiment does not limit this.

The connecting piece 23 is connected with the electric water heater to realize the connection between the electricity isolating mechanism 2 and the electric water heater and ensure the stable connection between the electricity isolating mechanism 2 and the electric water heater.

It can be seen that, in this embodiment, the electricity-proof wall 22 can effectively isolate electricity, and together with the connection tube 3, it can prevent electricity leakage, further protecting the personal safety of users, and the connection member 23 can ensure the stable connection between the main body 1 and the electric water heater.

With reference to fig. 1, in the above embodiment, the end surface of the first end of the electricity-proof wall 22 is provided with a first groove, the first groove is recessed toward the second end of the electricity-proof wall 22, and the first groove is annular. Specifically, the conveying passage 21 inside the electricity-proof wall 22 is cylindrical, and the annular first groove is disposed on the outer ring of the conveying passage 21.

The pipe wall at the outlet end of the body 1 is inserted into the first groove, and the outlet end of the body 1 and the first end of the electricity-proof wall 22 are integrally formed.

In order to ensure the stable connection between the electricity-proof wall 22 and the main body 1 and improve the overall strength of the safety valve, at least one ring of annular first dovetail grooves 11 are formed in the pipe wall at the outlet end of the main body 1, the first dovetail grooves 11 are uniformly distributed on the pipe wall at the outlet end of the main body 1, and the first dovetail grooves 11 are arranged from the end surface close to the outlet end of the main body 1 to the inlet end (the left end shown in fig. 1) of the main body 1 at intervals. The first end of the electricity-proof wall 22 and the outlet end of the body 1 are integrally formed by injection molding, and the electricity-proof wall 22 is subjected to hot melting during injection molding and is blocked by the first dovetail grooves 11 after being condensed. The arrangement of the first dovetail groove 11 can ensure the tight connection between the electricity-proof wall 22 and the body 1, and improve the pressure bearing capacity of the electricity-proof wall 22 and the body 1.

It can be seen that, in this embodiment, the outlet end of the body 1 is inserted into the first groove at the first end of the electricity-proof wall 22 and is integrally formed, so that the manufacturing is simple, the risk of electric leakage is reduced, the strength between the electricity-proof wall 22 and the outlet end of the body 1 can be effectively improved, and the overall strength and reliability of the safety valve are improved.

With continued reference to fig. 1, in the above embodiments, the end surface of the second end of the electricity-proof wall 22 is protruded with the annular protrusion 221, the protrusion 221 is integrally formed with the second end of the electricity-proof wall 22, and the first end of the connection pipe 3 is integrally formed with the protrusion 221. Specifically, a boss 221 is provided at the second end of the electricity-proof wall 22 corresponding to the conveying passage 21 inside, the boss 221 extends to the second end away from the electricity-proof wall 22, the inside of the boss 221 is hollow, and the inside of the boss 221 communicates with both the conveying passage 21 and the inside of the connecting pipe 3. Specifically, the material of the protruding portion 221 is the same as that of the electricity-proof wall 22.

It can be seen that, in this embodiment, the annular protruding portion 221 is protruded at the second end of the electricity-proof wall 22, so as to be integrally formed with the connection pipe 3, and the structure is simple and easy to implement.

With reference to fig. 1, in the above embodiment, the end surface of the second end of the electricity-proof wall 22 is provided with an annular second groove, the second groove is recessed toward the first end of the electricity-proof wall 22, and the second groove is disposed outside the protruding portion 221 at the position of the end surface of the second end of the electricity-proof wall 22.

The annular connecting member 23 is sleeved outside the protruding portion 221, a first end (a left end shown in fig. 1) of the connecting member 23 extends into the second groove, the first end of the connecting member 23 and a second end of the electricity-proof wall 22 are integrally formed, and the second end (a right end shown in fig. 1) of the connecting member 23 is connected to the electric water heater. Specifically, the second end of the connecting member 23 is sleeved outside the protruding portion 221, the inner sidewall of the second end of the connecting member 23 is in contact with but not connected to the outer wall of the protruding portion 221, and the outer sidewall of the second end of the connecting member 23 is connected to the electric water heater.

Preferably, the outer side wall of the second end of the connecting member 23 is provided with screw threads to be screwed with the electric water heater.

In order to ensure the stable connection between the electricity-proof wall 22 and the connecting member 23 and improve the overall strength of the safety valve, at least one ring of annular second dovetail grooves 231 is formed in the outer side wall of the first end of the connecting member 23, the second dovetail grooves 231 are uniformly distributed on the outer side wall of the connecting member 23, and the second dovetail grooves 231 are arranged from the end surface close to the first end of the connecting member 23 to the second end of the connecting member 23 at intervals. The second end of the electricity-proof wall 22 and the first end of the connecting member 23 are integrally formed by injection molding, and the electricity-proof wall 22 is subjected to hot melting during injection molding and is sealed and blocked by the second dovetail grooves 231 after condensation. The second dovetail groove 231 is arranged to ensure the tight connection between the electricity-proof wall 22 and the connecting piece 23, and improve the pressure bearing capacity of the electricity-proof wall 22 and the body 1.

It can be seen that, in this embodiment, the first end of the connecting member 23 is inserted into the second groove of the electricity-proof wall 22 and is integrally formed, so that the manufacturing is simple, the risk of electric leakage is reduced, the strength between the electricity-proof wall 22 and the connecting member 23 can be effectively improved, and the overall strength and reliability of the safety valve are improved.

With continued reference to fig. 1, in the above embodiments, the safety valve may further include: a sewage discharge pipe 4 and a plugging piece. Wherein, the sewage discharging pipe 4 is arranged at the bottom of the body 1 (the lower part shown in figure 1), and the inside of the sewage discharging pipe 4 is communicated with the internal pipeline of the body 1. Specifically, an inlet end (left end shown in fig. 1) and an outlet end (right end shown in fig. 1) of the body 1 are respectively arranged at two opposite sides of the body 1, the top (upper part shown in fig. 1) of the body 1 is an operating handle, and the bottom (lower part shown in fig. 1) of the body 1 is provided with a sewage discharge pipe 4.

The blocking piece is detachably arranged on the sewage draining pipe 4 to block the sewage draining pipe 4. Preferably, the outer wall of the sewage draining pipe 4 is provided with threads, the plugging piece is a screw cap, and the screw cap is in threaded connection with the sewage draining pipe 4 so as to plug the sewage draining pipe 4, so that the structure is simple and the implementation is convenient.

It can be seen that, in the embodiment, through setting up blow off pipe 4, when wasing electric water heater, need not to dismantle the pipeline like this, only need to take off plugging member from blow off pipe 4 can discharge the change to the water in the electric water heater, after the washing is accomplished, reuse plugging member shutoff blow off pipe 4 to guarantee that body 1 normally works, convenient operation.

In conclusion, in this embodiment, with body 1 and electric isolation mechanism 2 and connecting pipe 3 integrated into one piece, need not to connect a plurality of parts as prior art, the preparation is convenient for each junction is more stable, has improved holistic intensity effectively, has not only kept the effect that prevents the pressure overrun of relief valve self, and in addition, the material, length and the internal diameter of connecting pipe 3 can weaken the electric current effectively, reduce the risk of electric leakage, have guaranteed user's personal safety.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A safety valve, comprising: the device comprises a body (1), an electric insulation mechanism (2) and a connecting pipe (3) which is made of a preset insulation material and has a preset length and a preset inner diameter; wherein the content of the first and second substances,

the outlet end of the body (1) is integrally formed with the first end of the connecting pipe (3) through the electricity isolating mechanism (2), the second end of the connecting pipe (3) is used for extending into the electric water heater, and the electricity isolating mechanism (2) is connected with the electric water heater;

the inside of the electricity isolating mechanism (2) is provided with a conveying channel (21), and an internal pipeline of the body (1) is communicated with the conveying channel (21) and the inside of the connecting pipe (3).

2. The safety valve according to claim 1, characterized in that the electricity isolating mechanism (2) comprises: an electricity-proof wall (22) and a ring-shaped connecting member (23); wherein the content of the first and second substances,

the first end of the electricity-proof wall (22) is integrally formed with the outlet end of the body (1), the second end of the electricity-proof wall (22) is integrally formed with the first end of the connecting pipe (3), and the interior of the electricity-proof wall (22) is hollow to form the conveying channel (21);

the connecting piece (23) is sleeved outside the first end of the connecting pipe (3) and integrally formed with the second end of the electricity-proof wall (22), and the connecting piece (23) is connected with the electric water heater.

3. The safety valve according to claim 2, characterized in that the end face of the first end of the electricity-proof wall (22) is provided with a first annular groove recessed toward the second end, and the pipe wall at the outlet end of the body (1) is inserted into the first groove and is integrally formed with the first end of the electricity-proof wall (22).

4. The safety valve according to claim 3, characterized in that the pipe wall at the outlet end of the body (1) is provided with at least one ring of annular first dovetail grooves (11), and the first end of the electricity-proof wall (22) and the outlet end of the body (1) are integrally formed by injection molding and block each first dovetail groove (11).

5. The safety valve according to claim 2, characterized in that the end face of the second end of the electricity-proof wall (22) is protruded with a ring-shaped convex portion (221), the first end of the connection pipe (3) is integrally formed with the convex portion (221), and the inside of the convex portion (221) communicates with both the delivery passage (21) and the inside of the connection pipe (3).

6. The safety valve according to claim 5, characterized in that the end surface of the second end of the electricity-proof wall (22) is provided with a second annular groove recessed toward the first end, the connecting piece (23) is sleeved outside the protruding part (221), the first end of the connecting piece (23) extends into the second groove and is integrally formed with the second end of the electricity-proof wall (22), and the second end of the connecting piece (23) is connected with the electric water heater.

7. The safety valve according to claim 6, characterized in that the outer side wall of the first end of the connecting piece (23) is provided with at least one ring of annular second dovetail grooves (231), and the second end of the electricity-proof wall (22) and the first end of the connecting piece (23) are integrally formed by injection molding and block each second dovetail groove (231).

8. Safety valve according to claim 6, characterized in that the outer side wall of the second end of the connector (23) is provided with a thread for screwing with the electric water heater.

9. The safety valve of claim 1, further comprising: a blow-off pipe (4) and a plugging piece; wherein the content of the first and second substances,

the sewage discharge pipe (4) is arranged at the bottom of the body (1) and is communicated with an internal pipeline of the body (1);

the blocking piece is detachably arranged on the sewage discharge pipe (4) to block the sewage discharge pipe (4).

10. Safety valve according to claim 9, characterized in that the outer wall of the drain pipe (4) is provided with a thread and the closure is a screw cap which is screwed to the drain pipe (4).