CN218606130U

CN218606130U - Large-displacement safety check valve

Info

Publication number: CN218606130U
Application number: CN202222872209.XU
Authority: CN
Inventors: 张全强; 林志坚
Original assignee: Taizhou Changqiao Machinery Factory
Current assignee: Taizhou Changqiao Machinery Factory
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-14
Anticipated expiration: 2032-10-28

Abstract

The utility model belongs to the technical field of valve stopping and opening, in particular to a safe valve with large discharge capacity; the method comprises the following steps: the valve sleeve is provided with a valve hole; the valve rod is inserted in the valve hole, the bottom of the valve rod is provided with a pressure hole which is coaxial with the valve hole, and the side part of the valve rod is provided with a pressure relief hole communicated with the pressure hole; wherein, a limit edge is formed in the valve hole, the valve rod moves up and down in the valve hole and enables the pressure relief hole to move on the upper side and the lower side of the limit edge under the action of the limit edge; the valve barrel is arranged to be connected with the cover body, the valve rod is arranged on the valve barrel, the valve rod can be driven to move upwards when the pressure in the cooker is too high, the pressure relief hole moves to the upper side of the limiting edge to relieve the pressure, and the good pressure relief effect is achieved through the two parts.

Description

Large-displacement safety check valve

Technical Field

The utility model belongs to the technical field of the valve that only opens, especially, relate to a valve is only opened to safety of big discharge capacity.

Background

At present, pressure cooking appliances utilize the principle of increasing the boiling point of liquid by air pressure to make the water in the cooking cavity reach higher temperature without boiling, so as to accelerate the cooking efficiency of food. Pressure cooking utensil needs the pressure release to exhaust at the culinary art in-process or after the culinary art is accomplished, if steam in the cooking utensil can not in time discharge, causes the potential safety hazard easily. Therefore, it is necessary to provide a valve for preventing opening of the cooker.

However, the conventional valve stopping and opening structure is as shown in the valve stopping and opening cover and the cooking utensil of chinese utility model patent No. CN213551176U, and such valve stopping and opening structure includes a valve rod, a sealing element, an elastic structure, and a structure such as a stopping plate and a mounting seat which needs to be arranged on the cover, thereby increasing the mounting difficulty of the valve stopping and opening; meanwhile, the blind hole of the valve rod faces outwards, so that blockage is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the technical problem who exists to the aforesaid, provide a simple structure and easily assemble only open valve.

In view of this, the utility model provides a safe open-stop valve of big discharge capacity, include:

the valve sleeve is provided with a valve hole;

the valve rod is inserted in the valve hole, the bottom of the valve rod is provided with a pressure hole which is coaxial with the valve hole, and the side part of the valve rod is provided with a pressure relief hole communicated with the pressure hole;

wherein, a limit edge is formed in the valve hole, and the valve rod moves up and down in the valve hole and enables the pressure relief hole to move on the upper side and the lower side of the limit edge under the action of the limit edge.

In this technical scheme, the setting of valve barrel is used for being connected with the lid, and the valve rod setting is on the valve barrel, then can drive the valve rod when the pressure is too high in the pot and shift up for the pressure release hole moves to the upside on spacing edge and carries out the pressure release, thereby has reached good pressure release effect through two parts.

In the above technical solution, further, the valve housing further includes:

the outer wall of the valve sleeve is provided with an annular clamping groove.

In the technical scheme, the clamping groove is used for fixing the valve sleeve on the cover body of the pot cover, so that the valve sleeve is convenient to mount, rotate and fix.

In the above technical solution, further, the valve housing further includes:

and the air inlet is arranged on the lower end face of the valve sleeve, is coaxially arranged with the valve hole and is communicated with the valve hole.

In this technical scheme, the setting of inlet port can be convenient for the inboard gaseous exhaust of lid, and then ensures the good effect of opening and exhausting of stopping of the valve of opening.

In above-mentioned technical scheme, it is further, the valve rod is including setting gradually:

the upper bearing section is of a solid structure, and the diameter of the upper bearing section is smaller than that of the valve hole;

the lower limiting section is in sliding fit with the limiting edge, the diameter of the lower limiting section is equal to the inner diameter of the limiting edge, the lower limiting section is of a solid structure, and the diameter of the lower limiting section is smaller than that of the upper bearing section;

the pressure relief section is provided with a pressure relief hole, the pressure relief hole is coaxially arranged on the pressure relief section, and the diameter of the pressure relief hole is equal to that of the lower limiting section;

the diameter of the lower support edge is larger than that of the upper bearing section and smaller than that of the valve hole, and the pressure relief hole penetrates through the lower support edge and extends into the pressure relief section.

In this technical scheme, the section normality of accepting on is located the valve bore, and is located the upside on spacing edge, and the card is on spacing edge down in the section normality of spacing, makes spacing section of spacing shift up down after pressure is big with valve rod jack-up to with the ejecting spacing edge of pressure release section.

In the above technical solution, further, the valve sleeve is made of gas phase glue.

In the technical scheme, the valve sleeve made of the gas-phase glue material has certain elasticity and toughness, so that the upper limiting section and the pressure relief section can be conveniently moved.

In the above technical solution, further, the valve rod further includes:

the upper supporting edge is formed at the joint of the lower limiting section and the pressure relief section. The diameter of the upper supporting edge is larger than the inner diameter of the limiting edge.

In this technical scheme, go up the support along the downside that can be in spacing edge when pressure hour, and make the valve rod shift up greatly as pressure, until going up the support along spacing along offsetting for spacing along the downside has formed a confined space, can make to go up to support along can ejecting spacing edge owing to the valve barrel of the gluey material of gaseous phase after pressure reaches a certain degree.

In the above technical solution, further, four pressure relief holes are uniformly distributed on the sidewall of the pressure relief section according to the circumference, and are located at one side close to the lower limiting section.

In this technical scheme, can better must carry out the exhaust pressure release through the setting of four pressure release holes to the discharge capacity of only opening the valve has been ensured.

In the above technical solution, further, the valve housing further includes:

and the lower end surface of the valve sleeve is provided with an exhaust slot communicated with the air inlet.

In the technical scheme, the arrangement of the exhaust slot can increase the exhaust volume of the check valve, so that a good pressure relief effect is ensured.

In the technical scheme, further, the diameter of the air inlet hole is smaller than the inner diameters of the valve hole and the limiting edge.

In this technical scheme, the diameter of inlet port is less than the internal diameter on valve opening and spacing edge to guarantee that the under bracing edge does not deviate from the valve opening, can better obtain the effect of spacing valve rod.

The utility model has the advantages that:

1. the whole structure of the valve stop-open valve is simplified through the arrangement of the valve sleeve and the valve rod, so that the whole assembly of the valve stop-open valve is facilitated, the cost is reduced, and the production efficiency is improved;

2. the clamping groove is convenient for fixing and disassembling the valve sleeve, so that the valve can be assembled conveniently;

3. the four pressure relief holes are arranged to improve the discharge capacity during pressure relief, so that a good exhaust and pressure relief effect is achieved.

Drawings

Fig. 1 is a schematic structural view of a first viewing angle of the present invention;

fig. 2 is a schematic structural diagram of a second view angle of the present invention;

fig. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic structural view of the valve stem of the present invention;

the labels in the figure are: the pressure relief valve comprises a valve sleeve 1, a valve hole 1a, a limiting edge 1b, a clamping groove 1c, an air inlet 1d, an exhaust grooving 1e, a valve rod 2, a pressure hole 2a, a pressure relief hole 2b, an upper bearing section 2c, a lower limiting section 2d, a pressure relief section 2e, a lower supporting edge 2f and an upper supporting edge 2g.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the accompanying drawings in the embodiments of the present application, and refer to fig. 1 to 4;

1-a

valve sleeve

1, 1 a-a valve hole 1a, 1 b-a limiting edge 1b, 1 c-a clamping groove 1c, 1 d-an air inlet 1d, 1 e-an exhaust slotting 1e, 2-

a valve rod

2, 2

a-a pressure hole

2a, 2 b-a

pressure relief hole

2b, 2 c-an

upper bearing section

2c, 2 d-a lower

limiting section

2d, 2 e-a

pressure relief section

2e, 2 f-a lower supporting

edge

2f, 2 g-an upper supporting edge 2g.

The first embodiment is as follows:

the embodiment provides a large-displacement safety valve, which comprises:

the valve comprises a valve sleeve 1, wherein a valve hole 1a is formed in the valve sleeve 1;

the valve rod 2 is inserted into the valve hole 1a, a pressure hole 2a which is coaxial with the valve hole 1a is formed in the bottom of the valve rod 2, and a pressure relief hole 2b which is communicated with the pressure hole 2a is formed in the side portion of the valve rod 2;

wherein, a limiting edge 1b is formed in the valve hole 1a, the valve rod 2 moves up and down in the valve hole 1a and enables the pressure relief hole 2b to move on the upper side and the lower side of the limiting edge 1b under the action of the limiting edge 1 b.

In this embodiment, the valve sleeve 1 is disposed to be connected to the cover, and the valve rod 2 is disposed on the valve sleeve 1, so that the valve rod 2 is driven to move upwards when the pressure in the cooker is too high, so that the pressure releasing hole 2b moves to the upper side of the limiting edge 1b for releasing the pressure, thereby achieving a good pressure releasing effect through two components.

Example two:

the present embodiment provides a large-displacement safety valve, which includes the technical features described in the above embodiments.

The valve housing 1 further comprises:

and the clamping groove 1c is formed in the outer wall of the valve sleeve 1 in an annular shape.

In this embodiment, the clamping groove 1c is arranged to fix the valve sleeve 1 on the cover body of the pot cover, so as to facilitate the rotation and fixation of the valve sleeve 1; and only one hole is needed to be opened on the cover body of the corresponding pressure cooker, and other accessories are not needed to be arranged, so that the whole assembly of the valve is convenient to open.

Example three:

The valve housing 1 further comprises:

the air inlet hole 1d, the air inlet hole 1d sets up the lower terminal surface at valve barrel 1 and sets up with valve opening 1a is coaxial and communicates in valve opening 1 a.

In the present embodiment, the air inlet hole 1d is provided to facilitate the air discharge inside the cover body, thereby ensuring the good opening stopping and exhausting effect of the opening stopping valve.

Example four:

Valve rod 2 is including setting gradually:

the upper bearing section 2c is of a solid structure, and the diameter of the upper bearing section 2c is smaller than that of the valve hole 1a;

the lower limiting section 2d is in sliding fit with the limiting edge 1b, the diameter of the lower limiting section 2d is equal to the inner diameter of the limiting edge 1b, and the lower limiting section 2d is of a solid structure and is smaller than the diameter of the upper bearing section 2c;

the pressure relief section 2e is provided with a pressure relief hole 2b on the side wall of the pressure relief section 2e, and the pressure hole 2a is coaxially arranged on the pressure relief section 2e and has the diameter equal to the lower limiting section 2d;

the diameter of the lower support edge 2f is larger than that of the upper bearing section 2c and smaller than that of the valve hole 1a, and the pressure relief hole 2b penetrates through the lower support edge 2f and extends into the pressure relief section 2e.

In this embodiment, the upper receiving section 2c is normally located in the valve hole 1a and located on the upper side of the limiting edge 1b, the lower limiting section 2d is normally clamped on the limiting edge 1b, when the pressure is high, the valve rod 2 is jacked up, the lower limiting section 2d moves upwards, the pressure relief section 2e is jacked out of the limiting edge 1b, and then the pressure relief hole 2b is communicated with the valve hole 1a on the upper side of the limiting edge 1b to exhaust air; the lower support edge 2f can prevent the valve rod 2 from separating from the limiting edge 1b, so that the valve rod 2 is well fixed and limited.

Example four:

The valve housing 1 is made of a gas phase glue.

In this embodiment, the valve housing 1 made of the gas phase glue material has certain elasticity and toughness, so that the movement of the upper limiting section and the pressure releasing section 2e can be facilitated.

Example five:

the present embodiment provides a large-displacement safety valve, which includes the technical features described in the above embodiments. The valve stem 2 further includes:

an upper supporting edge 2g, the upper supporting edge 2g is formed at the connection part of the lower limiting section 2d and the pressure relief section 2e. The diameter of the upper supporting edge 2g is larger than the inner diameter of the limiting edge 1 b.

In this embodiment, go up the support and can be in spacing downside along 1b when pressure hour along 2g, and make valve rod 2 move up when pressure greatly, it offsets along 1b to go up the support along 2g spacing edge until, make spacing along 1b downside to have formed a confined space, can make to go up to support after pressure reaches certain degree because the valve barrel 1 of gas phase glue material makes and to follow 2g and can ejecting spacing along 1b, and gas can get into spacing valve opening 1a along 1b upside from pressure release hole 2b after passing through pressure release hole 2a, thereby can be better carry out the pressure release exhaust. When the air is exhausted, the upper supporting edge 2g is pressed to the lower side of the limiting edge 1b by manual pressing.

Example six:

The four pressure relief holes 2b are uniformly distributed on the side wall of the pressure relief section 2e according to the circumference and are positioned at one side close to the lower limiting section 2 d.

In this embodiment, the four pressure release holes 2b are provided to enable better air discharge and pressure release, thereby ensuring the displacement of the valve.

Example seven:

The valve housing 1 further comprises:

and the lower end surface of the valve sleeve 1 is provided with an exhaust slot 1e communicated with the air inlet hole 1 d.

In this embodiment, the exhaust slot 1e can increase the exhaust amount of the valve, thereby ensuring a good pressure relief effect.

Example nine:

The diameter of the air inlet hole 1d is smaller than the inner diameters of the valve hole 1a and the limiting edge 1 b.

In this embodiment, the diameter of the air inlet hole 1d is less than the inner diameter of the valve hole 1a and the limiting edge 1b, so as to ensure that the lower support edge 2f does not depart from the valve hole 1a, and the effect of limiting the valve rod 2 can be better achieved.

While the embodiments of the present application have been described in connection with the drawings, the embodiments and features of the embodiments of the present application can be combined with each other without conflict and the present application is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and many modifications may be made by one skilled in the art without departing from the spirit and scope of the present application as claimed.

Claims

1. A large-displacement safety valve, which is characterized by comprising:

the valve comprises a valve sleeve (1), wherein a valve hole (1 a) is formed in the valve sleeve (1);

the valve rod (2) is inserted into the valve hole (1 a), the bottom of the valve rod (2) is provided with a pressure hole (2 a) which is coaxial with the valve hole (1 a), and the side part of the valve rod (2) is provided with a pressure relief hole (2 b) communicated with the pressure hole (2 a);

wherein a limiting edge (1 b) is formed in the valve hole (1 a), the valve rod (2) moves up and down in the valve hole (1 a) and enables the pressure relief hole (2 b) to move on the upper side and the lower side of the limiting edge (1 b) under the action of the limiting edge (1 b).

2. A large displacement safety valve as claimed in claim 1, wherein said valve housing (1) further comprises:

the valve sleeve is characterized by comprising a clamping groove (1 c), wherein the outer wall of the valve sleeve (1) is provided with an annular clamping groove (1 c).

3. A high volume safety valve as claimed in claim 2, wherein said valve housing (1) further comprises:

the air inlet hole (1 d), the air inlet hole (1 d) set up the lower terminal surface and the coaxial setting of valve opening (1 a) of valve barrel (1) and in valve opening (1 a) intercommunication.

4. A high-displacement safety valve as claimed in claim 3, wherein said valve rod (2) comprises, in sequence:

the upper bearing section (2 c), the upper bearing section (2 c) is of a solid structure;

the lower limiting section (2 d) is in sliding fit with the limiting edge (1 b), and the lower limiting section (2 d) is of a solid structure and is smaller than the upper bearing section (2 c) in diameter;

the pressure relief section (2 e), the pressure relief hole (2 b) is arranged on the side wall of the pressure relief section (2 e), the pressure hole (2 a) is coaxially arranged on the pressure relief section (2 e), and the diameter of the pressure hole is equal to that of the lower limiting section (2 d);

the diameter of the lower support edge (2 f) is larger than that of the upper bearing section (2 c) and smaller than the valve hole (1 a), and the pressure relief hole (2 b) penetrates through the lower support edge (2 f) and extends into the pressure relief section (2 e).

5. A large displacement safety valve as claimed in claim 4, wherein said valve housing (1) is made of a gas phase glue.

6. A large displacement safety valve as claimed in claim 5, wherein said valve stem (2) further comprises:

the upper supporting edge (2 g) is formed at the joint of the lower limiting section (2 d) and the pressure relief section (2 e).

7. A high-displacement safety valve as claimed in claim 6, wherein four said pressure-release holes (2 b) are circumferentially distributed on the side wall of the pressure-release section (2 e) and are located on the side close to the lower limit section (2 d).

8. A large displacement safety valve as claimed in claim 7, wherein said valve housing (1) further comprises:

an exhaust slot (1 e), and an exhaust slot (1 e) communicated with the air inlet (1 d) is arranged on the lower end surface of the valve sleeve (1).

9. A large discharge safety valve according to claim 8, wherein the diameter of the inlet hole is smaller than that of the valve hole (1 a).