CN216519804U

CN216519804U - Safety relief valve and mocha kettle

Info

Publication number: CN216519804U
Application number: CN202122391544.3U
Authority: CN
Inventors: 王楼君; 胡忠献; 王鑫淼; 李泽念
Original assignee: Zhejiang Seecin Housewares Co ltd
Current assignee: Zhejiang Seecin Housewares Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-05-13
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to the technical field of mocha kettles, and discloses a safety relief valve and a mocha kettle, which comprise an exhaust hole arranged on the side wall of a lower kettle body of the mocha kettle and a valve component which can realize the opening and closing of the exhaust hole in a matching way, wherein the valve component comprises a plug which is arranged on the outer wall of the lower kettle body and has a diameter larger than the aperture of the exhaust hole, an elastic connecting strip which extends from one side of the plug close to the lower kettle body and is in clearance insertion fit with the exhaust hole, a connecting piece is arranged on the inner wall of the lower kettle body, the connecting piece is connected with one end of the elastic connecting strip, which is far away from the plug, and drives the plug to block the exhaust hole, when the air pressure in the lower kettle body reaches a preset value, the air passes through the fit clearance between the exhaust hole and the elastic connecting strip and pushes the plug to be far away from the lower kettle body until the air is exhausted to the outside of a target object, the safety relief valve is simple in arrangement, safe to use and low in manufacturing cost, so that the production cost of the mocha kettle is reduced.

Description

Safety relief valve and mocha kettle

Technical Field

The utility model relates to the technical field of mocha kettles, in particular to a safety relief valve and a mocha kettle.

Background

The structure of current mocha kettle is generally like the chinese patent publication of publication No. CN212591642U that an automatic brewing mocha kettle, including the second kettle body (upper kettle body) and the first kettle body (target object) that set up from top to bottom, be provided with the relief valve on the first kettle body, the relief valve is also called the relief valve, its purpose is in time to discharge the excessive gas in the first kettle body, because in the use of mocha kettle, heat first kettle body, the funnel of placing the coffee powder through advancing after the water boiling in the first kettle body, enter into the second kettle body through the inlet tube that is located the second kettle body at last, along with the heating of first kettle body, atmospheric pressure in the first kettle body is bigger and bigger, need set up the relief valve and keep the balance of inside atmospheric pressure, avoid first kettle body explosion.

The prior pressure relief valve is generally made of copper materials, and the structure of the pressure relief valve is disclosed in Chinese patent with the publication number of CN208364878U, and the pressure relief valve comprises a valve body and an internal pressure relief component, wherein the valve body is provided with a through hole for installing the pressure relief component, the pressure relief assembly comprises a base, a fixing piece, a screw rod, an adjusting nut, a piston head and a spring, the base is arranged in the through hole and matched with the aperture of the through hole, the screw rod is arranged on the fixing piece in a penetrating way, the adjusting nut and the piston head are respectively arranged on the screw rod and positioned at the two ends of the fixing piece, the spring is arranged on the screw in a penetrating way, two ends of the spring are respectively propped against the adjusting nut and the fixing piece, the piston head keeps in contact with the fixing piece under the action of the spring, the fixing piece is provided with an air vent, and the piston head covers and seals the air vent.

The relief valve is a delicate part, and as a simple relief valve, the number of internal parts is already large, so that the setting cost can be increased.

SUMMERY OF THE UTILITY MODEL

Aiming at the problem that the existing pressure relief valve is complex in structure and high in manufacturing cost, the utility model aims to provide a safety pressure relief valve which is remarkably reduced in manufacturing cost.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a safety relief valve, include the exhaust hole that sets up on the target object and can realize its valve module of opening and close with this exhaust hole cooperation, the valve module is including being located the end cap that target object outer wall and diameter are greater than exhaust hole aperture, extend in one side that the end cap is close to the target object with exhaust hole clearance interlude complex elastic connection strip, be provided with a connecting piece on the inner wall of target object, the connecting piece is connected and orders about the end cap and plug up the exhaust hole with the one end that the end cap was kept away from to the elastic connection strip, when atmospheric pressure in the target object reaches the default, gaseous cooperation clearance that passes exhaust hole and elastic connection strip and promotes the end cap and keeps away from the target object until gaseous emission to the target object outside.

According to the scheme: the plug in the valve component is close to or far away from the exhaust hole to realize opening and closing of the exhaust hole, and the plug is connected with a target object through an elastic connecting strip, wherein the connecting piece is used for connecting the elastic connecting strip and driving the elastic connecting strip to pull the plug under the action of normal pressure, so that the plug is abutted to the outside of the target object and is in a state of plugging the exhaust hole, when the air pressure in the target object is gradually increased to overcome the tension of the elastic connecting strip and the gravity of the plug, the air directly pushes the plug to be separated from the exhaust hole after passing through a matching gap between the exhaust hole and the elastic connecting strip, therefore, the air can be discharged from the inside of the target object to the outside of the target object, and when the air pressure in the target object is smaller than the tension of the elastic connecting strip, the plug plugs the exhaust hole again.

Furthermore, the connecting piece includes the installed part that is connected with the one end that the end cap was kept away from to the elastic connecting strip and with target object inner wall interval complex and the cooperation piece that extends perpendicularly in installed part outward flange and target object inner wall butt or fixed.

According to the scheme: the connecting piece can be fixed on the inner wall of the target object or can be abutted against the inner wall of the target object under the action of the elastic connecting strip, and the purpose that the connecting piece is always connected with the inner wall of the target object can be achieved through the two setting modes.

Furthermore, the connecting piece is in an omega shape or a Z shape or a hat shape with air holes.

According to the scheme: the connecting pieces in the shapes can achieve the purpose that gas in the target object enters the matching gap between the exhaust hole and the elastic connecting piece.

Furthermore, the elastic connecting strip can be dismantled with the installed part and be connected, and detachable construction includes that the diameter that the one end setting of keeping away from the end cap in the elastic connecting strip is greater than its stopper, and the stopper is located the one side that the exhaust hole was kept away from to the installed part, is provided with draw-in groove or the through-hole that can supply elastic connecting strip card to go into or pass but spacing stopper to pass through on the installed part.

According to the scheme: the elastic connecting strip is detachably connected with the mounting piece, so that any part can be conveniently replaced.

Furthermore, the plug is an elastic plug.

According to the scheme: due to the deformation capacity, the elastic plug is more attached to the outer wall of the target object, and the sealing performance is better.

Furthermore, one end of the plug close to the exhaust hole extends towards the elastic connecting strip to form a frustum-shaped extension section which can be partially clamped into the exhaust hole.

According to the scheme: the frustum-shaped extension section is arranged, so that the part of the extension section is elastically inserted into the exhaust hole, and the sealing performance is further improved.

The utility model also provides a mocha kettle, which comprises a lower kettle body, wherein the side wall of the lower kettle body is provided with the safety relief valve.

According to the scheme: the safety relief valve is arranged on the lower kettle body of the mocha kettle, excessive gas can be timely discharged when the lower kettle body is heated, and the safety relief valve is simple in structure and low in manufacturing cost, so that the manufacturing cost of the mocha kettle can be reduced while the safety of the mocha kettle is ensured.

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

1. the safety valve comprises a valve component and an exhaust hole which is matched with the valve component and is arranged on a target object, wherein a plug in the valve component is close to or far away from the exhaust hole to open and close the exhaust hole, and is connected with the target object through an elastic connecting strip, a connecting piece is used for connecting the elastic connecting strip and driving the elastic connecting strip to pull the plug under the action of normal pressure so that the plug is abutted to the outside of the target object and is in a state of blocking the exhaust hole, when the air pressure in the target object is gradually increased to overcome the tension of the elastic connecting strip and the gravity of the plug, the air passes through a matching gap between the exhaust hole and the elastic connecting strip and then directly pushes the plug to separate from the exhaust hole, so that the air can be discharged from the inside of the target object to the outside of the target object, when the air pressure in the target object is smaller than the tension of the elastic connecting strip, the plug blocks the exhaust hole again, and the structure is simple and convenient to install, the manufacturing cost can be obviously reduced.

2. The safety relief valve is arranged on the lower kettle body of the mocha kettle, excessive gas can be timely discharged when the lower kettle body is heated, and the safety relief valve is simple in structure and low in manufacturing cost, so that the manufacturing cost of the mocha kettle can be reduced while the safety of the mocha kettle is ensured.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a sectional view of a lower pot body of a Mocha pot with a safety relief valve in the embodiment;

FIG. 2 is a cross-sectional view of A of the drawing;

FIG. 3 is a sectional view of the safety relief valve of the present embodiment when depressurized;

FIG. 4 is a sectional view of the safety relief valve of the embodiment when mounted with the lower pot.

In the figure: 1. a lower kettle body; 2. an exhaust hole; 3. an elastic plug; 4. a frustum-shaped extension section; 5. an elastic connecting strip; 6. a limiting block; 7. a connecting member; 701. a mounting member; 702. a mating member; 8. and (5) a drawing section.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Examples

A mocha kettle with a safety relief valve is disclosed, referring to fig. 1-3, comprising a lower kettle body 1, wherein the lower kettle body 1 is provided with the safety relief valve, the safety relief valve comprises an exhaust hole 2 arranged at the upper end of the side wall of the lower kettle body 1 and a valve component which can be matched with the exhaust hole 2 to open and close, the valve component comprises a plug arranged on the outer wall of the lower kettle body 1 and having a diameter larger than the aperture of the exhaust hole 2, an elastic connecting strip 5 which is in clearance insertion fit with the exhaust hole 2 extends from one end of the plug close to the lower kettle body 1, a connecting piece 7 is arranged on the inner wall of the lower kettle body 1, the connecting piece 7 is connected with one end of the elastic connecting strip 5 far away from the plug and drives the elastic plug 3 to be in a state of blocking the exhaust hole 2, when the air pressure in a target object reaches a preset value (larger than the pulling force of the elastic connecting strip 5 and the gravity of the plug), the air passes through the fit clearance of the exhaust hole 2 and the elastic connecting strip 5 and pushes the plug to keep away from the target object until the air is discharged to the target object The target object is external.

Among the above-mentioned setting, elasticity end cap 3 is preferred to the end cap, the advantage lies in, elasticity end cap 3 can utilize its deformation power, make it more laminate with the 1 outer wall of the lower kettle body, thereby improve sealing performance, in this embodiment, elasticity end cap and elastic connection strip 5 an organic whole make and make by high temperature resistant rubber, furthermore, it has one can locally block into frustum form extension section 4 in exhausting hole 2 to the extension of elastic connection strip 5 direction at the one end that elasticity end cap 3 is close to exhausting hole 2, under the ordinary pressure, elastic connection strip 5 orders about frustum form extension section 4 and partially stretches into in exhausting hole 2, thereby further improve the leakproofness of elasticity end cap 3 to exhausting hole 2.

In order to facilitate the installation of the safety relief valve, a drawing section 8 with a diameter smaller than or equal to that of the exhaust hole 2 extends from one end of the elastic plug 3 away from the lower pot body 1, as shown in fig. 4, in this embodiment, the drawing section 8 and the elastic plug 3 are made of the same material and are integrally arranged, the drawing section 8 passes through the exhaust hole 2 from the inner wall of the lower pot body 1 and then is pulled outwards until the elastic plug 3 deforms and penetrates out of the exhaust hole 2, the elastic plug 3 at this time is elastically abutted to the outer wall of the lower pot body 1 to seal the exhaust hole 2, and then the drawing section 8 is cut off.

The connecting piece 7 is shown by referring to fig. 2, and comprises a mounting piece 701 connected with one end of the elastic connecting strip 5 far away from the plug and matched with the inner wall of the target object at a distance and a matching piece 702 vertically extending from the outer edge of the mounting piece and abutted or fixed with the inner wall of the target object, in the embodiment, the whole connecting piece 7 is abutted on the inner wall of the lower pot body 1, the connecting piece 7 is in an omega shape or a Z shape or a hat shape with air holes, in the embodiment, the connecting piece is in an omega shape, namely, the cross section of the matching piece 702 is in an L shape and is abutted on the inner wall of the lower pot body 1, so that the arrangement can not only allow air to enter the matching gap between the exhaust hole 2 and the elastic connecting strip 5 without obstacles, but also can ensure the abutting stability of the connecting piece 7.

In order to further improve the convenience of connecting piece 7 installation or dismantlement, elastic connection strip 5 can be dismantled with installed part 701 and be connected, refer to fig. 2, detachable construction includes that the diameter that the one end that keeps away from the end cap in elastic connection strip 5 set up is greater than its stopper 6, stopper 6 is located the one side that exhaust hole 2 was kept away from to installed part 701, but be provided with draw-in groove or the through-hole that can supply elastic connection strip 5 card to go into or pass but spacing stopper 6 to pass through on installed part 701, in this embodiment, what set up on the installed part 701 is the draw-in groove, it is more convenient that installed part 701 is connected with elastic connection strip 5.

When the kettle is installed, the elastic connecting strip 5 is clamped into the clamping groove and pulled until the limiting block 6 abuts against one side of the installation part 701 far away from the exhaust hole 2, the pulling section 8 passes through the exhaust hole 2 and then is pulled outwards until the elastic plug 3 is deformed in the lower kettle body 1 in an interference manner and penetrates out of the lower kettle body 1, at the moment, the elastic connecting strip 5 drives the connecting piece 7 and the elastic plug 3 to abut against the inner side wall and the outer side wall of the lower kettle body 1 respectively, specifically, as shown in fig. 4, the pulling section 8 is cut off, when the lower kettle body 1 is heated, the air pressure in the lower kettle body 1 exceeds the tensile force of the elastic connecting strip 5 and the gravity of the elastic plug 3, the elastic plug 3 is pushed outwards, when the elastic plug 3 is separated from the exhaust hole 2, the air in the lower kettle body 1 can be discharged out of the lower kettle body 1, at the moment, as shown in fig. 3, when the pressure in the lower kettle body 1 is reduced to be lower than the internal restoring force of the elastic connecting piece 7, the plug blocks the vent hole 2 again.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a safety relief valve, includes exhaust hole (2) that set up on the target object and can realize its valve module of opening and close with this exhaust hole (2) cooperation, its characterized in that: the valve module is including being located the end cap of target object outer wall and diameter greater than exhaust hole (2) aperture, extend in one side that the end cap is close to the target object with exhaust hole (2) clearance interlude complex elastic connection strip (5), be provided with a connecting piece (7) on the inner wall of target object, connecting piece (7) and elastic connection strip (5) keep away from the one end of end cap and be connected and order about the end cap and block up exhaust hole (2), when atmospheric pressure in the target object reaches the default, gaseous cooperation clearance that passes exhaust hole (2) and elastic connection strip (5) and promote the end cap and keep away from the target object until gaseous discharge to the target object outside.

2. A safety relief valve according to claim 1, characterized in that: the connecting piece (7) comprises a mounting piece (701) which is connected with one end of the elastic connecting strip (5) far away from the plug and is in clearance fit with the inner wall of the target object, and a fitting piece (702) which extends vertically at the outer edge of the mounting piece and is abutted against or fixed on the inner wall of the target object.

3. A safety relief valve according to claim 2, characterized in that: the connecting piece (7) is in an omega shape or a Z shape or a hat shape with air holes.

4. A safety relief valve according to claim 2, characterized in that: elastic connection strip (5) can be dismantled with installed part (701) and be connected, and detachable construction includes that the diameter that keeps away from the one end setting of end cap in elastic connection strip (5) is greater than its stopper (6), and stopper (6) are located installed part (701) and keep away from one side of exhaust hole (2), are provided with draw-in groove or through-hole that can supply elastic connection strip (5) card to go into or pass but limit stopper (6) to pass through on installed part (701).

5. A safety relief valve according to claim 1, characterized in that: the plug is an elastic plug (3).

6. A safety relief valve according to claim 5, characterized in that: one end of the plug close to the exhaust hole (2) extends towards the elastic connecting strip (5) to form a frustum-shaped extension section (4) which can be partially clamped into the exhaust hole (2).

7. Mocha kettle, comprising a lower kettle body (1), characterized in that the upper end of the side wall of the lower kettle body (1) is provided with a safety relief valve according to any one of claims 1-6.