CN216009674U - Novel insert type plastic safety valve - Google Patents

Abstract

The utility model discloses a novel insert type plastic safety valve which comprises a copper insert, a plastic piece, an internal leakage component, an external leakage component and a valve body, wherein the valve body consists of the copper insert and the plastic piece, the copper insert is used for ensuring the accuracy and the stability of the external leakage pressure, an external thread at the bottom of the plastic piece is connected with a water inlet pipe, and an internal thread at the top of the plastic piece is connected with an electricity-proof wall. The novel insert type plastic safety valve reduces the technological process of semi-finished products, improves the production efficiency of the shell of a producer and reduces the production cost; the prior art has longer raw material purchasing period, and the processing technology has a series of processing passes such as blanking, forging, trimming, sand blasting, appearance watching, finish machining, surface treatment and the like, so that the production period and circulation are longer; the plastic copper insert injection molding process adopts a new process, one can reduce the purchase period of raw materials, the other reduces the processing process and the circulation frequency and the aging of semi-finished products, and the third reduces the production cost.

Description

Novel insert type plastic safety valve

Technical Field

The utility model relates to the technical field of household electric water heaters, in particular to a novel insert type plastic safety valve.

Background

The electric water heater is a water heater which heats by taking electricity as energy. Is one of three water heaters which are parallel to a gas water heater and a solar water heater. The electric water heater can be divided into a water storage type, an instant heating type and an instant heating type according to the heating power.

In the prior art, when an electric water heater is in a power-on water-flowing state and in an electric heating process, when the water pressure in an inner container is too high, part of water is discharged through internal drainage, and when the pressure of the inner container is higher than external drainage pressure, water drops from an external drainage port to be drained and decompressed. Generally, water drops in the heating process, which is a normal phenomenon; if no water drops out, the water pressure is in the rated pressure range set by the safety valve in the heating process; in addition, the prior art has longer purchase period of raw materials, and the processing technology has a series of processing passes including blanking, forging, trimming, sand blasting, appearance watching, finish machining, surface treatment and the like, so that the production period and circulation are longer.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel insert type plastic safety valve, which better meets the pressure performance of a protective inner container of an electric water heater and reduces the cost so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a novel insert type plastic safety valve comprises a copper insert, a plastic piece, an internal leakage assembly, an external leakage assembly and a valve body, wherein the valve body consists of the copper insert and the plastic piece;

the plastic part is internally provided with an internal drainage component, on one hand, the internal drainage component is used for serving as a one-way valve, water enters the inner container of the water heater through the valve body according to certain water pressure, and then is reversely sealed and cannot reversely flow water, and on the other hand, when the electric water heater works, the pressure of the inner container rises along with the heating of water, when the pressure of the inner container and the water inlet pressure have certain pressure difference, the water is drained through a channel of the internal drainage component, and part of the pressure of the inner container is released;

the copper mold insert internally mounted has the subassembly that leaks, and the subassembly that leaks is used for protecting inner bag pressure, when inner bag pressure rose, when interior leaking also was in saturated condition, along with the rising of pressure, through the compression of spring, opened sealed face to water flows from the pressure release mouth, and the inner bag pressure is released to the solid line.

Furthermore, the internal leakage assembly comprises a silica gel gasket, a spring seat, an internal leakage spring, an opening spring, an internal leakage filter screen and a one-way valve element, the one-way valve element is vertically installed at the middle part of the internal leakage assembly, and the silica gel gasket, the spring seat, the internal leakage spring, the opening spring and the internal leakage filter screen are sequentially installed on the outer side of the one-way valve element from bottom to top.

Further, the subassembly of leaking includes silica gel gasket, little stainless steel gasket, rubber seat, leaks the spring, compresses tightly cap, 0 type circle one, rivet, handle, mesopore stainless steel sheet, 0 type circle two, seal receptacle and pull rod, the pull rod is transversely installed at the inboard middle part of subassembly of leaking, and pull rod right-hand member cover has the rubber seat, rubber seat right side internally mounted has silica gel gasket and little stainless steel gasket, the spring that leaks is installed in the left pull rod outside of rubber seat, leak the spring left side with compress tightly cap looks joint, compress tightly the left pull rod outside of cap and install the seal receptacle, the left inside and outside both sides of seal receptacle overlap respectively has 0 type circle two and 0 type circle one, mesopore stainless steel sheet is installed to the seal receptacle left end, the pull rod left end is connected with the handle through the rivet.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model reduces the technological process of semi-finished products, improves the production efficiency of the shell of a producer, and reduces the production cost;

2. the prior art has longer raw material purchasing period, and the processing technology has a series of processing passes such as blanking, forging, trimming, sand blasting, appearance watching, finish machining, surface treatment and the like, so that the production period and circulation are longer; the plastic copper insert injection molding process adopts a new process, one can reduce the purchase period of raw materials, the other reduces the processing process and the circulation frequency and the aging of semi-finished products, and the third reduces the production cost.

Drawings

FIG. 1 is a schematic view of the valve body of the present invention;

FIG. 2 is a schematic view of the installation position of the internal leakage component and the external leakage component;

FIG. 3 is a schematic view of the internal structure of the present invention.

In the figure: 1. the valve comprises a copper insert, 2, a plastic part, 3, an internal leakage component, 31, a silica gel gasket, 32, a spring seat, 33, an internal leakage spring, 34, an opening spring, 35, an internal leakage filter screen, 36, a one-way valve core, 4, an external leakage component, 41, a silica gel gasket, 42, a small stainless steel gasket, 43, a rubber seat, 44, an external leakage spring, 45, a pressing cap, 46, a 0-shaped ring I, 47, a rivet, 48, a handle, 49, a middle-hole stainless steel sheet, 410, a 0-shaped ring II, 411, a sealing seat, 412, a pull rod, 5 and a valve body.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a novel insert type plastic safety valve comprises a copper insert 1, a plastic piece 2, an inner leakage component 3, an outer leakage component 4 and a valve body 5, wherein the valve body 5 consists of the copper insert 1 and the plastic piece 2, the copper insert 1 is used for ensuring the accuracy and stability of the outer leakage pressure, the plastic piece 2 has certain deformation along with the change of the working environment temperature, so that the outer leakage pressure is misaligned, an external thread at the bottom of the plastic piece 2 is connected with a water inlet pipe, and an internal thread at the top of the plastic piece 2 is connected with an electricity-proof wall;

referring to fig. 2, an internal drainage component 3 is installed inside a plastic part 2, on one hand, the internal drainage component is used as a check valve to feed water into an inner container of a water heater through a valve body according to a certain water pressure, and then the internal drainage component is reversely sealed and cannot reversely drain water;

referring to fig. 2, an external leakage assembly 4 is installed inside the copper insert 1, the external leakage assembly 4 is used for protecting the pressure of the inner container, when the pressure of the inner container rises and the internal leakage is already in a saturated state, the sealing surface is opened by the compression of the spring along with the rise of the pressure, so that water flows out of the pressure relief opening, and the pressure of the inner container is released by the solid line.

Referring to fig. 3, the internal leakage assembly 3 includes a silica gel gasket 31, a spring seat 32, an internal leakage spring 33, an opening spring 34, an internal leakage filter screen 35 and a one-way valve core 36, the one-way valve core 36 is vertically installed in the middle of the internal leakage assembly 3, and the silica gel gasket 31, the spring seat 32, the internal leakage spring 33, the opening spring 34 and the internal leakage filter screen 35 are sequentially installed on the outer side of the one-way valve core 36 from bottom to top;

the leakage component 4 comprises a silica gel gasket 41, a small stainless steel gasket 42, a rubber seat 43, a leakage spring 44, a pressing cap 45, a first 0-shaped ring 46, a rivet 47, a handle 48, a middle hole stainless steel sheet 49, a second 0-shaped ring 410, a sealing seat 411 and a pull rod 412, wherein the pull rod 412 is transversely installed in the middle of the inner side of the leakage component 4, the rubber seat 43 is sleeved at the right end of the pull rod 412, the silica gel gasket 41 and the small stainless steel gasket 42 are installed inside the right side of the rubber seat 43, the leakage spring 44 is installed outside the pull rod 412 on the left side of the rubber seat 43, the left side of the leakage spring 44 is clamped with the pressing cap 45, the sealing seat 411 is installed outside the pull rod 412 on the left side of the pressing cap 45, the second 0-shaped ring 410 and the first 0-shaped ring 46 are respectively sleeved on the inner side and the outer side of the left side of the sealing seat 411, the middle hole stainless steel sheet 49 is installed in the left end of the sealing seat 411, and the left end of the pull rod 412 is connected with the handle 48 through the rivet 47.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (3)

1. The utility model provides a novel inserts formula plastics relief valve, includes copper mold insert (1), working of plastics (2), interior subassembly (3), the subassembly (4) and the valve body (5) of leaking, its characterized in that: the valve body (5) consists of a copper insert (1) and a plastic part (2), the copper insert (1) is used for ensuring the accuracy and stability of the leakage pressure, the external thread at the bottom of the plastic part (2) is connected with a water inlet pipe, and the internal thread at the top of the plastic part (2) is connected with an electricity-proof wall;

the plastic piece (2) is internally provided with an internal drainage component (3) which is used as a check valve, on one hand, water enters the inner container of the water heater through the valve body according to a certain water pressure, and on the other hand, the internal drainage component is reversely sealed and can not reversely drain water;

the copper insert (1) is internally provided with an external leakage component (4), and the external leakage component (4) is used for protecting the pressure of the inner container.

2. The novel plastic insert safety valve as claimed in claim 1, wherein: interior let out subassembly (3) include silica gel gasket (31), spring holder (32), interior let out spring (33), open spring (34), interior let out filter screen (35) and check valve case (36), the middle part of letting out subassembly (3) is installed perpendicularly in check valve case (36), and the check valve case (36) outside from upwards installing silica gel gasket (31), spring holder (32) in proper order down, interior let out spring (33), open spring (34) and interior filter screen (35) of letting out.

3. The novel plastic insert safety valve as claimed in claim 1, wherein: the subassembly (4) of leaking includes silica gel gasket (41), little stainless steel gasket (42), rubber seat (43), the spring (44) of leaking, compresses tightly cap (45), 0 type circle (46), rivet (47), handle (48), mesopore stainless steel sheet (49), 0 type circle two (410), seal receptacle (411) and pull rod (412), pull rod (412) are transversely installed at the inboard middle part of subassembly (4) of leaking, and pull rod (412) right-hand member cover has rubber seat (43), rubber seat (43) right side internally mounted has silica gel gasket (41) and little stainless steel gasket (42), spring (44) of leaking is installed in the left pull rod (412) outside of rubber seat (43), spring (44) left side of leaking with compress tightly cap (45) looks joint, compress tightly the left pull rod (412) outside of cap (45) and install seal receptacle (411), the left inside and outside of seal receptacle (411) is overlapped respectively has 0 type circle two (410) and 0 one (46) The left end of the sealing seat (411) is provided with a middle hole stainless steel sheet (49), and the left end of the pull rod (412) is connected with the handle (48) through a rivet (47).

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