CN218440806U - Overpressure protection relief valve in oven cavity - Google Patents
Overpressure protection relief valve in oven cavity Download PDFInfo
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- CN218440806U CN218440806U CN202222833839.6U CN202222833839U CN218440806U CN 218440806 U CN218440806 U CN 218440806U CN 202222833839 U CN202222833839 U CN 202222833839U CN 218440806 U CN218440806 U CN 218440806U
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Abstract
The utility model discloses an oven intracavity superpressure protection relief valve, including the cover body and the sub-relief valve of setting in the cover body, sub-relief valve one side is provided with the inlet end, and opposite side exhaust end is opened has a plurality of through-holes, and a plurality of sub-relief valves set up at a cover internally, and easy to assemble reduces the angle modulation knob that the space occupied simultaneously and be provided with the adjustable pressure velocity of flow on sub-relief valve. The advantage installs a plurality of sub-relief valves at the cover internally, utilizes the cover body to reduce the big problem of a plurality of sub-relief valves occupation space, is provided with angle adjust knob again on every sub-relief valve simultaneously, adjusts the pressure release speed of every sub-relief valve through angle adjust knob, has also strengthened the commonality of device when facilitating the use.
Description
Technical Field
The utility model particularly relates to an overpressure protection relief valve in an oven cavity.
Background
Need pressurize in the oven in the industry oven use, in order to prevent to appear the bubble in the product and eliminate the bubble that has produced in the product, need carry out slow appropriate amount's release to the pressure in the oven under different stage pressure after the pressurization, need adjust the speed of pressure release under different products and different pressure, consequently adjust through installing a plurality of relief valves mostly, current relief valve size is great, there is the great inconvenient problem of installation of occupation space in a plurality of relief valve installation.
In Chinese patent: 201520929316.9, entitled: the pressure relief valve is characterized by comprising a valve core, a positioning pin, a positioning shaft, a top cover and a valve cover, wherein the top cover is arranged at the top of the valve cover and is in threaded connection with the valve cover, the valve core is arranged in the valve cover and is tightly pressed and sealed with a pressure relief opening in the valve cover, the valve core is fixedly connected with the bottom end of the positioning pin in a threaded manner, the top end of the positioning pin is inserted into an inner cavity of the positioning shaft from the bottom, the top end of the positioning pin can slide up and down in the inner cavity of the positioning shaft, the outer side wall of the bottom end of the positioning shaft is fixedly connected with the top cover in a threaded manner, and the top end of the positioning shaft extends out of the top cover.
As shown in fig. 1 of patent 201520929316.9, the patent is a common pressure relief valve, and the pressure relief valve can stably relieve pressure by relieving pressure through a pressure relief opening, but cannot solve the problem that a plurality of pressure relief valves occupy a large space when installed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the current relief valve uses the great problem of occupation space when a plurality of.
Aiming at the technical problem, an overpressure protection relief valve in an oven cavity is provided; the method is realized by the following technical scheme: the utility model provides an oven intracavity superpressure protection relief valve, includes the cover body and sets up the sub-relief valve in the cover body, and sub-relief valve one side is provided with the inlet end, and the opposite side exhaust end is opened has a plurality of through-holes, and a plurality of sub-relief valves set up at one cover internally, and easy to assemble reduces the angle adjust knob that the space occupied simultaneously and be provided with adjustable pressure velocity of flow on sub-relief valve.
The utility model discloses in, install a plurality of sub-relief valves at the cover internally, utilize the cover body to reduce the big problem of a plurality of sub-relief valve occupation spaces, be provided with angle knob again on every sub-relief valve simultaneously, through the pressure release speed of angle knob regulation every sub-relief valve, also strengthened the commonality of device when facilitating the use.
It is right to the utility model discloses technical scheme's preferred, sub-relief valve includes valve barrel, ball stopper and angle adjust knob, and the ball stopper setting is inside the valve barrel to the top and the angle adjust knob of ball stopper are connected, and angle adjust knob's setting makes, and the pressure release speed of every sub-relief valve is adjusted to accessible angle adjust knob, has also strengthened the commonality of device when facilitating the use.
It is right to the utility model discloses technical scheme's preferred, open in the ball stopper have with the exhaust hole of valve barrel intercommunication, the angle between the exhaust hole in the adjustable valve barrel of rotation angle adjust knob and the rotatory ball stopper, the diameter in exhaust hole is convenient for adjust through rotatory ball stopper in the setting of rotatory ball stopper, and then adjustment pressure release speed.
It is right the utility model discloses technical scheme's preferred is provided with the check valve between the internal two sub-relief valves of cover, and through the sub-relief valve exhaust high-pressure gas of check valve one-way discharge, the setting up of check valve makes exhaust high-pressure gas discharge along the check valve in the internal energy of cover, has also prevented when having strengthened exhaust effect that the interference influence normal operating of each other from producing between a plurality of sub-relief valves.
To the utility model discloses technical scheme's preferred, the spiral is provided with the cooling tube on the inner wall of the cover body, and the setting of the cooling tube of spiral just with cool down to sub-relief valve exhaust high-temperature gas, prevent that exhaust high-temperature high-pressure gas from hindering the people.
Compared with the prior art, the utility model beneficial effect who has is:
the technical scheme of the utility model, install a plurality of sub-relief valves at the cover internally, utilize the cover body to reduce the big problem of a plurality of sub-relief valve occupation spaces, be provided with angle knob again on every sub-relief valve simultaneously, through the pressure release speed of angle knob regulation every sub-relief valve, also strengthened the commonality of device when facilitating the use.
Drawings
Fig. 1 is a schematic perspective view (with cylinder) of embodiment 1 of the present invention.
Fig. 2 is a cross-sectional view (with cylinder) of embodiment 1 of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic perspective view of the sub-relief valve.
Fig. 5 is a schematic perspective view of the ball plug and the angle adjusting knob of the present invention.
Fig. 6 is a sectional view (with cylinder) of embodiment 2 of the present invention.
Detailed Description
The technical solution in the embodiment of the present invention will be described in detail with reference to fig. 1 to 6 in the embodiment of the present invention.
Example 1
As shown in fig. 1 and 2, the pressure relief valve comprises a cover body 1 and a sub pressure relief valve 2 arranged in the cover body 1, wherein the sub pressure relief valve 2 is connected with a cylinder connected with an air outlet on an oven, and the sub pressure relief valve 2 is arranged on the cover body 1.
As shown in fig. 2, 3 and 4, the sub relief valve 2 includes an outermost valve housing 21, a ball plunger 22 inserted in the valve housing 21, and an angle adjusting knob 23 provided outside the valve housing 21 and connected to the ball plunger 22.
The aperture of the two sub-hollow pipes is enlarged at one end provided with the flange platform, the enlarged size diameter is equal to the diameter of the ball plug 22, and the ball plug 22 is plugged in the sub-hollow pipes through the end ports of the sub-hollow pipes.
As shown in fig. 5, the ball plug 22 is a sphere with a through hole in the middle, the ball plug 22 has a circular through hole passing through the center of the sphere in the middle, the circular through hole is communicated with the sub hollow tube when the ball plug 22 rotates, in order to facilitate the rotation and fixation of the ball plug, a mounting hole with internal threads is formed on the surface of the ball plug, a circular hole is also formed on the sub hollow tube corresponding to the ball plug 22, and the circular hole formed on the sub hollow tube is vertically opposite to the mounting hole with internal threads on the ball plug 22.
In order to facilitate the adjustment of the ball plug 22, an angle adjusting knob 23 is fixed on the ball plug 22, a round mounting column is arranged below the angle adjusting knob 23, threads are arranged on the mounting column, the angle adjusting knob 23 passes through a round hole on the sub hollow pipe and is fixed in a mounting hole on the ball plug 22, an indicating plate 24 is arranged on the sub hollow pipe for accurate and fine adjustment, the mounting column on the angle adjusting knob 23 passes through the center of the indicating plate 24, the indicating plate 24 is provided with a value from 0 to 100, when the ball plug 22 is completely communicated with the sub hollow pipe, the angle adjusting knob 23 corresponds to 100 on the indicating plate 24, and when the ball plug 22 completely blocks the sub hollow pipe, the angle adjusting knob 23 corresponds to 0 on the indicating plate 24.
Regarding the speed of pressure release regulated by the ball plug 22, when the speed of pressure release is required to be regulated, firstly, the value of the ball plug 22 required to be regulated is calculated according to the pressure, then, the angle regulating knob 23 is rotated to a proper position on the indicating plate 24 according to the value, at this time, the ball plug 22 is rotated under the action of the angle regulating knob 23, when the ball plug 22 is rotated, the angle between the through hole on the ball plug 22 and the sub hollow pipe is changed, and then the ball plug 22 is used for blocking the valve sleeve 21, so that the flow rate of compressed air is regulated.
As shown in fig. 4, in order to reduce the noise generated when the high-pressure gas passes through the sub relief valve 2, a plurality of noise reduction holes 25 perpendicular to the valve sleeve 21 are formed on the cylindrical surface of the exhaust end of the valve sleeve 21, and for convenience of installation, a screw thread for convenience of installation is further provided on the cylindrical surface of the end.
As shown in fig. 1 and 2, the cover body 1 is a hollow circular tube, evenly sets up three circular port on the face of cylinder of the cover body 1 to set up the internal thread in the circular port, sub-relief valve 2 is fixed on the cover body 1 through the screw thread of self, influences normal operating in order to prevent to interfere mutually between three sub-relief valve 2 on the cover body 1, is provided with check valve 11 between two sub-relief valves 2 on the cover body 1.
Check valve 11 includes separation blade 13 and valve clack 14, separation blade 13 is the inside of circular thin slice welding cover body 1, and the welding department is airtight, separation blade 13 is in between two sub-relief valve 2, it has a circular through-hole to open at the middle part of separation blade, valve clack 14 is inserted in circular through-hole, compressed air is from one side flow vector one side of separation blade 13, the pot head of valve clack 14 in the one side that compressed air pressure is high has a spring, rely on pressure jack-up spring control's valve clack 14 to lift up, and then carry out the pressure release, pressure disappears the back, valve clack 14 resets under the effect of spring force.
In order to reduce the noise generated when the high-pressure gas passes through the sub-pressure release valve 2, noise reduction cotton can be added into the space between the two baffle plates 13, so that the noise generated during pressure release is reduced.
The using process of the embodiment is as follows: calculate the speed this embodiment of pressure release when pressure release at every turn before the heating and use the different pressure release speed of cubic as an example, suitable position on the back is calculated according to numerical value rotation angle adjust knob 23 to dial 24, then add pressure and heat as required, when reaching first pressure release condition, the cylinder of connector relief valve 2 is automatic to be opened, compressed gas flows through sub relief valve 2, carry out first pressure release, after releasing pressure to certain pressure, the cylinder is closed and is ended first pressure release, then continue to add pressure and heat as required, when reaching second pressure release condition, the cylinder of connector relief valve 2 is automatic to be opened, compressed gas flows through sub relief valve 2, carry out secondary pressure release, after releasing pressure to certain pressure, the cylinder is closed and is ended secondary pressure release, then pressurize or pressurize for a period as required again, then carry out the third pressure release again.
Example 2
As shown in fig. 6, since the gas released in the oven is high-temperature high-pressure gas, in order to prevent the released gas from scalding people, on the basis of embodiment 1, a cooling pipe 12 is added in the cover body 1, the cooling pipe 12 is a copper cooling water pipe arranged spirally, the cooling pipe 12 is placed in the cover body 1 and between two blocking pieces 13, and a water outlet and a water inlet on the cooling pipe 12 penetrate through the outer wall of the cover body 1 and leak outside the cover body 1, and the released high-temperature gas can be cooled by injecting circulating water into the cooling pipe 12 during pressure relief.
The using process of the embodiment is as follows: the embodiment of the speed of pressure relief calculates the pressure relief at each time before heating by taking different pressure relief speeds of three times as an example, after calculation, according to a value rotation angle, the adjusting knob 23 is adjusted to a proper position on the indicating dial 24, then pressurization and heating are carried out as required, when a first pressure relief condition is reached, the cylinder of the connecting sub-pressure relief valve 2 is automatically opened, compressed gas flows out through the sub-pressure relief valve 2, the pressure relief is carried out for the first time, meanwhile, circulating water is injected into the cooling pipe 12 during the pressure relief, the heat of the exhausted air is reduced, after the pressure relief is carried out to a certain pressure, the cylinder of the connecting sub-pressure relief valve 2 is automatically opened, the compressed gas flows out through the sub-pressure relief valve 2, secondary pressure relief is carried out, meanwhile, circulating water is injected into the cooling pipe 12 during the pressure relief, the heat of the exhausted air is reduced, after the cylinder is closed to a certain pressure, the secondary pressure relief is finished, then, the pressure relief is carried out for the third time as required.
Above embodiment only is for explaining the utility model discloses a technical thought can not be injectd with this the utility model discloses a protection scope, all according to the utility model provides a technical thought, any change of doing on technical scheme basis all falls into the utility model discloses within the protection scope.
Claims (5)
1. The utility model provides an oven intracavity superpressure protection relief valve which characterized in that: including the cover body (1) and sub-relief valve (2) of setting in the cover body (1), sub-relief valve (2) one side is provided with the inlet end, and the opposite side exhaust end is opened has a plurality of through-holes, and a plurality of sub-relief valves (2) set up in a cover body (1), and the angle adjust knob (23) that the space occupy and be provided with the adjustable pressure velocity of flow simultaneously on sub-relief valve (2) is reduced in easy to assemble.
2. The oven cavity overpressure protection relief valve of claim 1, wherein: the sub-pressure release valve (2) comprises a valve sleeve (21), a ball plug (22) and an angle adjusting knob (23), wherein the ball plug (22) is arranged inside the valve sleeve (21), and the top of the ball plug (22) is connected with the angle adjusting knob (23).
3. The oven cavity overpressure protection relief valve of claim 2, wherein: an air vent hole communicated with the valve sleeve (21) is formed in the ball plug (22), and the angle between the valve sleeve (21) and the air vent hole in the rotating ball plug (22) can be adjusted by the rotating angle adjusting knob (23).
4. The oven cavity overpressure protection relief valve of claim 1, wherein: a one-way valve (11) is arranged between the two sub pressure release valves (2) in the cover body (1), and high-pressure gas discharged by the sub pressure release valves (2) is discharged in a one-way mode through the one-way valve (11).
5. The pressure relief valve for over-pressure protection in an oven cavity according to claim 1, wherein: a cooling pipe (12) is spirally arranged on the inner wall of the cover body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222833839.6U CN218440806U (en) | 2022-10-27 | 2022-10-27 | Overpressure protection relief valve in oven cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222833839.6U CN218440806U (en) | 2022-10-27 | 2022-10-27 | Overpressure protection relief valve in oven cavity |
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| Publication Number | Publication Date |
|---|---|
| CN218440806U true CN218440806U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222833839.6U Active CN218440806U (en) | 2022-10-27 | 2022-10-27 | Overpressure protection relief valve in oven cavity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117803736A (en) * | 2024-02-28 | 2024-04-02 | 四川省简阳市川力机械制造有限责任公司 | Cut-off valve |
-
2022
- 2022-10-27 CN CN202222833839.6U patent/CN218440806U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117803736A (en) * | 2024-02-28 | 2024-04-02 | 四川省简阳市川力机械制造有限责任公司 | Cut-off valve |
| CN117803736B (en) * | 2024-02-28 | 2024-04-26 | 四川省简阳市川力机械制造有限责任公司 | Cut-off valve |
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