One-way non-return air valve adjusting device

Abstract

The utility model provides a one-way non-return air valve adjusting device which comprises a valve assembly and an adjusting assembly, the adjusting assembly used for adjusting the air inlet amount is installed in the valve assembly, the valve assembly comprises a valve body, an air inlet pipe is installed on the surface of the upper side of the valve body, and a valve cover is installed at the lower end of the valve body. An air outlet pipe used for air outlet is installed on the surface of the outer side of the valve body, an installation base is installed on the valve body, and an adjusting assembly is installed on the surface of the upper side of the installation base. At the moment, the blocking piece can be matched with the blocking piece for adjustment, the blocking rod is made to move, the blocking plate is driven to change the position at the fan-shaped opening of the blocking bin, and therefore the air inlet amount is finely adjusted, the ventilation system can more accurately adapt to actual requirements through adjustment, and the air amount is prevented from being too large or too small.

Description

TECHNICAL FIELD

[0001] The utility model belongs to valve equipment field, especially relate to a one-way check valve adjusting device. BACKGROUND

[0002] One-way check valve is a device installed in the ventilation duct of range hood or smoke hood fan, it only allows air or gas such as oil fume to flow in one direction. The existing one-way check valve has certain limitations in practical application, which makes the air volume unable to be controlled as needed. Because the air volume demand is greatly different in different use scenarios, such as the cooking methods of family kitchen are various, the oil fume amount generated by simple cooking and stir-frying is different, and the fixed air volume check valve is difficult to adapt, and this problem is more prominent in the multi-device and high-intensity cooking scenarios of commercial kitchen. The conventional solution is to select different specifications of check valves, but this needs to accurately estimate the air volume demand in advance, otherwise it is easy to select inappropriate specifications, which leads to excessive air volume, increases the energy consumption and noise of the fan, and affects the service life of the equipment, or the air volume is too small, the smoke is not discharged in time, and the environment is polluted by oil fume accumulation. Moreover, it is troublesome to replace the check valve, which needs to interrupt the use of the equipment, and affects normal cooking or commercial operation, so a new structure needs to be proposed to solve the above technical problems. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a one-way check valve adjusting device to solve the problems in the background art.

[0004] The utility model discloses a one-way check valve adjusting device, including: valve assembly and adjusting assembly, the adjusting assembly for adjusting the air volume is installed in the valve assembly, the valve assembly includes: valve body, the upper side surface of valve body is installed with the air inlet pipe, the lower end of valve body is installed with the valve cover, the outer side surface of valve body is installed with the air outlet pipe for air outlet, the mounting seat is installed to the valve body, the upper side surface of mounting seat is installed with adjusting assembly, the adjusting assembly includes: micro push rod and adjusting spring, the upper side surface of mounting seat is installed with micro push rod, the outer side surface of micro push rod is installed with adjusting spring, the end away from mounting seat of micro push rod is installed with the obturator, the obturator is arranged between valve body and air inlet pipe.

[0005] As a preferred implementation, the outer surface of the valve body is provided with an air outlet pipe, the upper surface of the valve body is provided with an air inlet pipe in the form of a funnel structure, the inner wall of the air inlet pipe is symmetrically provided with two air volume sensors, and the two air volume sensors are connected with an external control device and a micro push rod through wireless signals.

[0006] As a preferred implementation, the blocking piece comprises a blocking bin, a blocking block, a blocking rod and a blocking plate, the blocking bin is installed between the air inlet pipe and the valve body, the blocking bin is provided with a circular through hole in the middle, the blocking rod is movably installed in the circular through hole, and the lower surface of the blocking bin is provided with a fan-shaped opening, and the outer surface of the blocking rod is provided with a circular blocking plate.

[0007] As a preferred implementation, the blocking rod is installed at the center of the upper surface of the blocking block, the blocking block is installed on the upper surface of the micro push rod, the inner portion of the valve cover is provided with a mounting seat through a fixing rod, and the micro push rod is installed at the center of the upper surface of the mounting seat, when the adjustment assembly adjusts the air inlet volume, the blocking piece can be adjusted to move the blocking rod and drive the blocking plate to change the position of the fan-shaped opening of the blocking bin, so as to finely adjust the air inlet volume, and the ventilation system can be more accurately adapted to the actual demand.

[0008] As a preferred implementation, the telescopic rod of the micro push rod is connected with the center of the lower surface of the blocking block, the outer surface of the micro push rod is provided with an adjusting spring, and the upper end and the lower end of the adjusting spring are connected with the lower surface of the blocking block and the upper surface of the mounting seat respectively.

[0009] As a preferred implementation, the blocking block, the blocking rod and the blocking plate are placed at the opening of the lower surface of the blocking bin through the micro push rod.

[0010] After the above technical scheme is adopted, the beneficial effects of the present application are as follows: the adjustment assembly is installed in the valve assembly to adjust the air inlet volume, the air inlet volume can be adjusted by the adjustment assembly of the one-way check valve adjustment device according to the demand of air volume in different scenes and equipment operation modes, the formation of excessive negative pressure in the kitchen can be avoided to prevent a large amount of cold air from the outside from rushing in or to ensure that the oil smoke is quickly and effectively removed.

[0011] By setting the plugging piece, the plugging piece includes: a plugging bin, a plugging block, a plugging rod and a plugging plate, the plugging bin is installed between the air inlet pipe and the valve body, a circular through hole is arranged in the middle of the plugging bin, the plugging rod is movably installed in the circular through hole, the lower surface of the plugging bin is provided with a fan-shaped opening, and the outer surface of the plugging rod is provided with a circular plugging plate, when the adjusting assembly adjusts the air inlet amount, the plugging piece can be adjusted at this time, the plugging rod is moved, the plugging plate is driven to change the position at the fan-shaped opening of the plugging bin, so that the air inlet amount is finely adjusted, and the ventilation system can more accurately adapt to the actual demand, and the air volume is prevented from being too large or too small. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0013] Fig. 1 It is a whole structure schematic view of the one-way check valve adjusting device.

[0014] Fig. 2 It is a side structure schematic view of the one-way check valve adjusting device.

[0015] Fig. 3 It is an internal structure schematic view of the one-way check valve adjusting device.

[0016] In the figure, 100 is a valve body, 110 is an air inlet pipe, 111 is an air volume sensor, 120 is a valve cover, and 130 is an air outlet pipe.

[0017] 200 is a fixing rod, 210 is a mounting seat, 220 is a micro push rod, and 230 is an adjusting spring.

[0018] 300 is a plugging block, 310 is a plugging rod, 320 is a plugging bin, and 330 is a plugging plate. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0020] Please refer toFigs. 1-3 The utility model provides a technical scheme: a one-way check valve adjusting device, it is including: valve component and adjusting assembly, the adjusting assembly that is used for adjusting the air intake of valve component inside installation, valve component includes: valve body 100, the upper side surface of valve body 100 is installed and enters the air pipe 110, the lower end of valve body 100 is installed and valve cover 120, the outer side surface of valve body 100 is installed and is used for the air outlet pipe 130 of air outlet, valve body 100 is installed and installs seat 210, the upper side surface of installing seat 210 is installed and adjusting assembly, adjusting assembly includes: micro push rod 220 and adjusting spring 230, the upper side surface of installing seat 210 is installed and micro push rod 220, the outer side surface of micro push rod 220 is installed and adjusting spring 230, the end of micro push rod 220 away from installing seat 210 is installed and the obturator, the obturator is arranged between valve body 100 and the air inlet pipe 110.

[0021] Please refer to Figs. 1-3 As the first embodiment of the utility model: the outer side surface center position of valve body 100 is installed and air outlet pipe 130, the upper side surface of valve body 100 is installed and is entered the air pipe 110 of funnel structure, the inner wall of air inlet pipe 110 is installed and is symmetric with two air volume sensors 111, two air volume sensors 111 are connected through wireless signal and external control equipment and micro push rod 220;

[0022] When using, the user first installs the device in the position that needs to install, then the air outlet pipe 130 of valve body 100 outer side surface is guided to the air outlet of device, the air inlet pipe 110 of valve body 100 is guided to the air inlet of device, and when the device is completed, the user can use the range hood or smoke cover fan to start working, when working, the air volume sensor 111 installed in the inner wall of air inlet pipe 110 can feel the size of smoke volume, and the micro push rod 220 in the adjusting assembly is started (the air volume sensor 111 and micro push rod 220 are prior art, and the model can be selected from the market, and the working principle and structure will not be repeated here), when the micro push rod is started, the obturator is driven away from the opening between the air inlet pipe 110 and the valve body 100, so as to open the passage between the valve body 100, so that the flue gas is discharged from the air outlet pipe 130, since the opening in the obturator is an inverted fan structure, when the flue gas is discharged through the opening, the flue gas will be blocked when it wants to backflow, so that the one-way effect is achieved, since the demand for air volume is different in different scenes and equipment operation modes when using, the adjusting assembly of the one-way check valve adjusting device can adjust the air intake, which can avoid the formation of strong negative pressure in the kitchen to cause a large amount of cold air from the outside to flow in or ensure that the cooking fume is quickly and effectively removed.

[0023] Please refer to Figs. 1-3 , as a second embodiment of the utility model: the plugging piece includes: plugging bin 320, plugging block 300, plugging rod 310 and plugging plate 330, plugging bin 320 is installed between air inlet pipe 110 and valve body 100, the middle of plugging bin 320 is provided with a circular through hole, the inside of the circular through hole is movably installed with plugging rod 310, the lower side surface of plugging bin 320 is provided with a fan-shaped opening, the outer side surface of plugging rod 310 is installed with plugging plate 330 of circular structure;

[0024] Plugging rod 310 is installed at the center position of the upper side surface of plugging block 300, plugging block 300 is installed on the upper side surface of micro push rod 220, the inside of valve cover 120 is installed with mounting seat 210 through fixed rod 200, micro push rod 220 is installed at the center position of the upper side surface of mounting seat 210;

[0025] The telescopic rod of micro push rod 220 is connected with the center position of the lower side surface of plugging block 300, the outer side surface of micro push rod 220 is sleeved with adjusting spring 230, the upper end and the lower end of adjusting spring 230 are connected with the lower side surface of plugging block 300 and the upper side surface of mounting seat 210 respectively;

[0026] Plugging block 300, plugging rod 310 and plugging plate 330 are placed at the opening of the lower side surface of plugging bin 320 through micro push rod 220;

[0027] When using, when the smoke exhaust operation is carried out through the operation steps of the first embodiment, micro push rod 220 is started according to the air volume at this time, the telescopic rod of micro push rod 220 is retracted (the retraction distance depends on the size of the air volume), when the air volume is small, the retraction distance of micro push rod 220 is small at this time, which drives plugging block 300 and the plugging rod 310 and plugging plate 330 on the upper side surface thereof to move away from the plugging piece, so that plugging plate 330 leaves the fan-shaped opening (not completely leaves) of the lower side surface of the plugging piece, thereby opening the opening, so that the flue gas is discharged from the opening, when the air volume is large, micro push rod 220 is completely retracted at this time, and then drives plugging block 300 and plugging plate 330 to completely move away from the opening of the lower side surface of the plugging piece, thereby completely opening the opening, so that the flue gas is discharged from the opening, since when using, when the adjusting assembly adjusts the air inlet volume, the plugging piece can be adjusted at this time, so that plugging rod 310 moves, drives plugging plate 330 to change the position at the fan-shaped opening of plugging bin 320, thereby finely adjusting the air inlet volume, which can make the ventilation system more accurately adapt to the actual demand, avoid that the air volume is too large or too small.

[0028] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A one-way check valve regulating device, comprising: The valve assembly and the adjusting assembly are characterized in that the valve assembly is internally provided with an adjusting assembly for adjusting the air inlet amount, and the valve assembly comprises a valve body (100); An air inlet pipe (110) is mounted on the upper side surface of the valve body (100), a valve cover (120) is mounted on the lower end of the valve body (100), an air outlet pipe (130) for air outlet is mounted on the outer side surface of the valve body (100), and a mounting seat (210) is mounted on the valve body (100), and an adjusting assembly is mounted on the upper side surface of the mounting seat (210). The adjusting assembly comprises a micro push rod (220) and an adjusting spring (230), the micro push rod (220) is mounted on the upper side surface of the mounting seat (210), the adjusting spring (230) is mounted on the outer side surface of the micro push rod (220), and a blocking piece is mounted on the end of the micro push rod (220) away from the mounting seat (210), and the blocking piece is arranged between the valve body (100) and the air inlet pipe (110).

2. A unidirectional check valve regulating device as defined in claim 1, wherein: An air outlet pipe (130) is mounted on the center position of the outer side surface of the valve body (100), an air inlet pipe (110) in a funnel structure is mounted on the opening of the upper side surface of the valve body (100), two air volume sensors (111) are symmetrically mounted on the inner wall of the air inlet pipe (110), and the two air volume sensors (111) are connected with an external control device and the micro push rod (220) through wireless signals.

3. A unidirectional check valve regulating device as defined in claim 1, wherein: The blocking piece comprises a blocking bin (320), a blocking block (300), a blocking rod (310) and a blocking plate (330), the blocking bin (320) is mounted between the air inlet pipe (110) and the valve body (100), a circular through hole is arranged in the middle of the blocking bin (320), the blocking rod (310) is movably mounted in the circular through hole, the lower side surface of the blocking bin (320) is provided with a fan-shaped opening, and the blocking plate (330) in a circular structure is mounted on the outer side surface of the blocking rod (310).

4. A device for regulating a check valve as defined in claim 3, wherein: The blocking rod (310) is mounted on the center position of the upper side surface of the blocking block (300), the blocking block (300) is mounted on the upper side surface of the micro push rod (220), the mounting seat (210) is mounted in the valve cover (120) through a fixing rod (200), and the micro push rod (220) is mounted on the center position of the upper side surface of the mounting seat (210).

5. A device for regulating a check valve as defined in claim 4, wherein: The extension rod of the micro push rod (220) is connected with the center position of the lower side surface of the blocking block (300), the adjusting spring (230) is sleeved on the outer side surface of the micro push rod (220), and the upper end and the lower end of the adjusting spring (230) are respectively connected with the lower side surface of the blocking block (300) and the upper side surface of the mounting seat (210).

6. A device for regulating a check valve as defined in claim 5, wherein: The blocking block (300), the blocking rod (310) and the blocking plate (330) are arranged at the opening of the lower side surface of the blocking bin (320) through the micro push rod (220).

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