CN110701349A

CN110701349A - Safety valve with anti-blocking structure for electric water heater

Info

Publication number: CN110701349A
Application number: CN201911104335.7A
Authority: CN
Inventors: 冯森蕾
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-01-17

Abstract

The invention discloses a safety valve with an anti-blocking structure for an electric water heater, which comprises a one-way valve, wherein external threads are integrally formed on the outer surface of the bottom end of the one-way valve, a pressure relief valve is welded on the right side of the one-way valve, a pressure discharge pipe and a fixing pile are integrally connected to the lower surface of the pressure relief valve, the fixing pile is arranged on the right side of the pressure discharge pipe, a safety handle is arranged on the right side of the fixing pile, the inner side of the one-way valve is connected with an inner cylinder through threads, a connecting rod and a first retaining ring are welded on the inner side of the inner cylinder, the first retaining ring is arranged above the connecting rod, a connecting sleeve is welded on the inner side of the connecting rod in a penetrating manner, a first valve core is arranged on the. The anti-blocking handle has an anti-blocking structure, so that the limit of the safety handle is conveniently released, and the operation convenience is improved.

Description

Safety valve with anti-blocking structure for electric water heater

Technical Field

The invention relates to the technical field of safety valves, in particular to a safety valve with an anti-blocking structure for an electric water heater.

Background

When the electric water heater works, the temperature in the heating cylinder is too high, hot pressing can be generated, certain potential safety hazards can exist due to the fact that the hot pressing is too high, the safety valve can automatically discharge pressure, and the use safety of the electric water heater is guaranteed.

When being used for electric water heater to use, because the heating all is the running water in the electric water heater, some running water that quality of water is not good can produce the incrustation scale after the electric water heater heats, some slight incrustation scale can fall into the relief valve receiving the influence of aquatic heat flow, block up the relief valve, influence the relief valve normal use, and current relief valve safety handle is fixed through screw and valve body, still need lift the screw off during the operation, it is very troublesome, consequently need to design a safety valve for electric water heater with anti-blocking structure to solve above-mentioned problem urgently.

Disclosure of Invention

The invention aims to provide a safety valve with an anti-blocking structure for an electric water heater, which aims to solve the problem that the limit of a safety handle cannot be conveniently released due to the fact that the anti-blocking structure is absent in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a safety valve with an anti-blocking structure for an electric water heater comprises a one-way valve, wherein external threads are integrally formed on the outer surface of the bottom end of the one-way valve, a pressure relief valve is welded on the right side of the one-way valve, the lower surface of the pressure relief valve is integrally connected with a pressure-discharging pipe and a fixing pile, the fixing pile is arranged on the right side of the pressure-discharging pipe, a safety handle is arranged on the right side of the fixing pile, the inner side of the one-way valve is connected with an inner cylinder through threads, a connecting rod and a first retaining ring are welded on the inner side of the inner cylinder, a connecting sleeve is welded on the inner side of the connecting rod in a penetrating manner, a first valve core is arranged on the inner side of the connecting sleeve in a penetrating manner, a water wheel is sleeved on the outer surface of the first valve core, a cleaning rod is integrally connected on the, and a second valve core is arranged on the inner side of the limiting sleeve in a penetrating manner.

Preferably, both ends of spud pile all are equipped with the connecting sleeve pole, connecting sleeve pole is connected with the spud pile rotation through the pivot.

Preferably, the inboard of connecting the loop bar runs through and is provided with the gag lever post, the surface cover of gag lever post is equipped with first spring, the elastic construction is constituteed with first spring to the gag lever post, the draw-in groove has been seted up to safety handle's left side surface, gag lever post and draw-in groove block.

Preferably, the first valve core is of an I-shaped structure, the first valve core and the connecting sleeve form a telescopic structure, and the water wheel and the first valve core form a rotating structure.

Preferably, the outer surface of the second valve core is sleeved with a second spring, the right side of the second valve core is rotatably connected with the safety handle through a rotating shaft, and the second valve core and the limiting sleeve form a telescopic structure.

Preferably, the second valve core is of a T-shaped structure, the left side of the second valve core is abutted to the second retaining ring, a sealing sleeve is sleeved on the outer surface of the second valve core, the right side of the sealing sleeve is arranged on the inner side of the limiting sleeve, and the sealing sleeve and the limiting sleeve form a telescopic structure.

Compared with the prior art, the invention has the beneficial effects that: the electric water heater with the anti-blocking structure has the anti-blocking structure, so that the limit of the safety handle is conveniently released, and the operation convenience is improved;

(1) the cleaning device is provided with a water wheel and a cleaning rod, the water wheel is sleeved on the outer surface of the first valve core, the cleaning rod is integrally connected to the outer surface of the water wheel, the cleaning rod is positioned at the narrowest position in the one-way valve at the cleaning position by mounting the water wheel on the inner side of the first baffle ring, the anti-blocking effect is further improved, and the cleaning rod can clean an easily blocked area and prevent blockage by pushing the water wheel to rotate through water flow;

(2) be provided with the draw-in groove, connect loop bar and gag lever post, both ends through at the spud pile all are connected with the connecting loop bar through the pivot, and run through in the connecting loop bar and be provided with the gag lever post, through having seted up the draw-in groove on safety handle, make the gag lever post can with the draw-in groove block, it is spacing to carry out safety handle, keep away from the draw-in groove through stirring the gag lever post downwards, can relieve safety handle's spacing, the trouble problem of screw fixation dismantlement has been solved, and then it is spacing to reach the release safety handle of being convenient for, improve the effect of convenient operation nature.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional elevation view of the structure of the present invention;

fig. 3 is an enlarged view of the structure at a in fig. 2 according to the present invention.

In the figure: 1. a one-way valve; 2. an inner barrel; 3. an external thread; 4. a pressure relief valve; 5. a pressure discharge pipe; 6. a safety handle; 7. a card slot; 8. fixing the pile; 9. connecting the loop bar; 10. a limiting rod; 11. a first spring; 12. a connecting rod; 13. a connecting sleeve; 14. a first valve spool; 15. a first retainer ring; 16. a water wheel; 17. a cleaning rod; 18. a second retainer ring; 19. a limiting sleeve; 20. a second valve core; 21. a sealing sleeve; 22. a second spring.

Detailed Description

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. 1-3, an embodiment of the present invention is shown: a safety valve with an anti-blocking structure for an electric water heater comprises a one-way valve 1, wherein external threads 3 are integrally formed on the outer surface of the bottom end of the one-way valve 1, a pressure release valve 4 is welded on the right side of the one-way valve 1, the lower surface of the pressure release valve 4 is integrally connected with a pressure discharge pipe 5 and a fixing pile 8, the fixing pile 8 is arranged on the right side of the pressure discharge pipe 5, two ends of the fixing pile 8 are respectively provided with a connecting sleeve rod 9, the connecting sleeve rod 9 is rotatably connected with the fixing pile 8 through a rotating shaft, a limiting rod 10 penetrates through the inner side of the connecting sleeve rod 9, a first spring 11 is sleeved on the outer surface of the limiting rod 10, the limiting rod 10 and the first spring 11 form an elastic structure, a clamping groove 7 is formed in the outer surface of the left side of a safety handle 6, the limiting rod 10 is clamped with the clamping groove 7, the first spring 11 plays a, the safety handle 6 and the pressure release valve 4 can be connected and fixed by clamping the limiting rod 10 and the clamping groove 7.

The right side of spud pile 8 is equipped with safety handle 6, there is inner tube 2 inboard of check valve 1 through threaded connection, the inboard welding of inner tube 2 has connecting rod 12 and first fender ring 15, and first fender ring 15 sets up in the top of connecting rod 12, the inboard through-welding of connecting rod 12 has connecting sleeve 13, the inboard of connecting sleeve 13 is run through and is provided with first case 14, first case 14 is "worker" font structure, first case 14 constitutes extending structure with connecting sleeve 13, water wheels 16 constitutes revolution mechanic with first case 14, the top and the bottom of first case 14 all are the disc, rotate on first case 14 through water wheels 16, can drive cleaning rod 17 and rotate, prevent that the incrustation scale from locating the gathering at first fender ring 15.

The outer surface of the first valve core 14 is sleeved with a water wheel 16, the outer surface of the water wheel 16 is integrally connected with a cleaning rod 17, the inner side of the pressure release valve 4 is welded with a second retaining ring 18 and a limiting sleeve 19, the limiting sleeve 19 is arranged on the right side of the second retaining ring 18, the inner side of the limiting sleeve 19 is provided with a second valve core 20 in a penetrating manner, the outer surface of the second valve core 20 is sleeved with a second spring 22, the right side of the second valve core 20 is rotatably connected with the safety handle 6 through a rotating shaft, the second valve core 20 and the limiting sleeve 19 form a telescopic structure, the second valve core 20 is of a T-shaped structure, the left side of the second valve core 20 is abutted against the second retaining ring 18, the outer surface of the second valve core 20 is sleeved with a sealing sleeve 21, the right side of the sealing sleeve 21 is arranged on the inner side of the limiting sleeve 19, the sealing sleeve 21 and the, when no external force is applied to the second spool 20, the second spool 20 can be always maintained in the state shown in fig. two, and the second spring 22 can be protected by the sealing sleeve 21 surrounding the second spool 20.

The working principle is as follows: when the electric water heater is used, the external thread 3 is connected with an external cold water pipe, the top end of the one-way valve 1 is connected with a cold water inlet pipe of the electric water heater, water flows into the electric water heater from the bottom end of the one-way valve 1 through the external cold water pipe when the electric water heater is normally used, at the moment, the safety valve with the anti-blocking structure for the electric water heater is in a state shown in a figure I, the first valve core 14 is jacked up, water flow can flow upwards through a gap between the first valve core 14 and the first retaining ring 15, when water in the electric water heater flows backwards outwards, the first valve core 14 is jacked downwards by water pressure, the first valve core 14 is abutted against the first;

when the pressure in the electric water heater is greater than the maximum bearing pressure of the second spring 22, the water pressure pushes the second valve core 20 to move to the right side, so that water in the electric water heater flows out through a gap between the second baffle ring 18 and the second valve core 20, and is discharged outwards through the pressure discharge pipe 5, and the safety work of the electric water heater is guaranteed through water dropping and pressure relief, and the electric water heater is practical.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Safety valve for electric water heater with prevent stifled structure, including check valve (1), its characterized in that: the external thread (3) is integrally formed on the outer surface of the bottom end of the one-way valve (1), the pressure relief valve (4) is welded on the right side of the one-way valve (1), the lower surface of the pressure relief valve (4) is integrally connected with a pressure discharge pipe (5) and a fixing pile (8), the fixing pile (8) is arranged on the right side of the pressure discharge pipe (5), a safety handle (6) is arranged on the right side of the fixing pile (8), the inner side of the one-way valve (1) is connected with an inner cylinder (2) through threads, a connecting rod (12) and a first retaining ring (15) are welded on the inner side of the inner cylinder (2), the first retaining ring (15) is arranged above the connecting rod (12), a connecting sleeve (13) is welded on the inner side of the connecting rod (12) in a penetrating manner, a first valve core (14) is arranged on the inner side of the connecting, the outer surface integration of water wheels (16) is connected with clean pole (17), the inboard welding of relief valve (4) has second to keep off ring (18) and stop sleeve (19), stop sleeve (19) set up in the right side that the second kept off ring (18), the inboard of stop sleeve (19) is run through and is provided with second case (20).

2. The safety valve for an electric water heater with an anti-blocking structure according to claim 1, wherein: the both ends of spud pile (8) all are equipped with and connect loop bar (9), connect loop bar (9) and rotate with spud pile (8) through the pivot and be connected.

3. The safety valve for an electric water heater with an anti-blocking structure according to claim 2, wherein: the inboard of connecting loop bar (9) is run through and is provided with gag lever post (10), the surface cover of gag lever post (10) is equipped with first spring (11), elastic construction is constituteed with first spring (11) gag lever post (10), draw-in groove (7) have been seted up to the left side surface of safety handle (6), gag lever post (10) and draw-in groove (7) block.

4. The safety valve for an electric water heater with an anti-blocking structure according to claim 1, wherein: the first valve core (14) is of an I-shaped structure, the first valve core (14) and the connecting sleeve (13) form a telescopic structure, and the water wheel (16) and the first valve core (14) form a rotating structure.

5. The safety valve for an electric water heater with an anti-blocking structure according to claim 1, wherein: the outer surface of the second valve core (20) is sleeved with a second spring (22), the right side of the second valve core (20) is rotatably connected with the safety handle (6) through a rotating shaft, and the second valve core (20) and the limiting sleeve (19) form a telescopic structure.

6. The safety valve for an electric water heater with an anti-blocking structure according to claim 1, wherein: the second valve core (20) is of a T-shaped structure, the left side of the second valve core (20) is abutted to the second stop ring (18), the outer surface of the second valve core (20) is sleeved with a sealing sleeve (21), the right side of the sealing sleeve (21) is arranged on the inner side of the limiting sleeve (19), and the sealing sleeve (21) and the limiting sleeve (19) form a telescopic structure.