CN217458813U

CN217458813U - Water leakage-proof range hood water tank mounting structure and range hood

Info

Publication number: CN217458813U
Application number: CN202221136639.9U
Authority: CN
Inventors: 罗潘; 董斌; 李小忠
Original assignee: Guangdong Macro Gas Appliance Co Ltd
Current assignee: Macro Thermal Energy Technology Co ltd; Guangdong Macro Gas Appliance Co Ltd
Priority date: 2022-01-07
Filing date: 2022-05-12
Publication date: 2022-09-20
Anticipated expiration: 2032-05-12
Also published as: CN114988343A; CN114229778A

Abstract

The utility model relates to a range hood technical field discloses a range hood water tank mounting structure and range hood of leak protection water, include: the detachable mounting is at the water tank on the cigarette machine fuselage, wherein, install the water tank lid on the water tank be equipped with liquid outlet channel and inlet channel on the water tank lid install on the liquid outlet channel and be used for control the one-way liquid outlet check valve that flows of water in the water tank be equipped with on the inlet channel and be used for controlling the one-way entering of outside air the air inlet check valve of water tank. The problem of complex installation process of the water tank is solved, the water tank can be inserted into the corresponding base when in use, and the water tank does not need to be taken down after use; in addition, the water tank has a water leakage prevention function by adopting the air inlet one-way valve and the liquid outlet one-way valve, so that the liquid in the water tank cannot flow out under the condition of nonuse; and the full mechanical structure is used, so that the reliability is higher than that of an electric part.

Description

Water leakage-proof range hood water tank mounting structure and range hood

Technical Field

The utility model relates to a range hood technical field especially relates to a range hood water tank mounting structure and range hood with leak protection water function.

Background

The traditional range hood has simple function and no cleaning function. As consumer demand for products increases, cigarette makers with cleaning capabilities are also emerging in the public's field of view. At present, the inside of a cigarette machine is cleaned by means of heating, converting, spraying, flushing and the like by taking water as a medium for cleaning the cigarette machine, so that a container for containing the water medium is needed, and a water tank is usually arranged on the cigarette machine for containing water.

The existing water tank structure generally comprises an external water tank and a water pipe, wherein one end of the water pipe is connected with the external water tank, and the other end of the water pipe is connected with a cleaning device interface. For example, a chinese utility model patent with publication number CN207094696U discloses a self-cleaning range hood, which comprises a water tank and an electric heating pipe, wherein the water tank is connected with a water inlet pipe which can be led into the volute; the electric heating pipe is arranged in the volute and is close to the bottom end of the volute; the smoke guide plate can guide the cleaning water or cleaning liquid flowing out of the oil leakage port to the oil collecting cup. However, valves are required to be respectively arranged on the oil leakage port and the water inlet pipe to control liquid flow, so that the whole electric power is increased, the electric instability exists, and the reliability is poor once the valve is damaged and cannot work. If a chinese utility model patent that publication number is CN214536372U discloses a range hood washs drinking cup again, it includes water inlet subassembly and drinking cup body, drinking cup body encloses to establish and forms the water cavity, be equipped with the clear water in the water cavity, integrated into one piece or be fixed with water nozzle spare on the drinking cup body, water inlet subassembly is detachable to be fixed in on the cigarette machine casing, drinking cup body with the cigarette machine casing passes through water nozzle spare inserts the sealed detachable fixed of water inlet subassembly, water nozzle spare communicates with the clean system of cigarette machine, drinking cup body is in integrated into one piece or be fixed with water-absorbing pipe spare in the water cavity, water-absorbing pipe spare by water nozzle spare corresponds position department downwardly extending to the bottom of drinking cup body, be provided with the water injection portion on the drinking cup body. When the device is used, the device is communicated with a cleaning system of a cigarette machine through the water nozzle piece, so that the problem of poor installation reliability exists; meanwhile, the inner cavity of the water cup is directly connected with the atmosphere, so that the hidden danger of water leakage exists.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a range hood water tank mounting structure that installation reliability is high, the washing liquid loading container commonality is good and leak protection water.

Another object of the present invention is to provide a range hood with the above range hood water tank mounting structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A leak-proof water tank mounting structure of a range hood comprises: the water tank is detachably mounted on the body of the range hood, a water tank cover is mounted on the water tank, a liquid outlet channel and an air inlet channel are arranged on the water tank cover, a liquid outlet one-way valve used for controlling cleaning liquid in the water tank to flow out in a one-way mode is mounted on the liquid outlet channel, and an air inlet one-way valve used for controlling external air to enter the water tank in a one-way mode is arranged on the air inlet channel.

More preferably, a through hole is formed in the body of the cigarette making machine, and a base used for fixing the water tank is installed in the through hole; the water tank cover and the base are detachably mounted together, and the water tank is assembled and fixed.

More preferably, the base penetrates out of the through hole and abuts against the inner wall of the cigarette machine body through a flange, and the base and the cigarette machine body are locked and fixed through a locking nut.

More preferably, a step position and a water outlet pipe which protrude outwards are formed on the water tank cover, the air inlet channel is positioned on the step position, and the opening of the air inlet channel is in a step shape with the outer width and the inner width; the pipeline of the water outlet pipe forms the liquid outlet channel, and a supporting convex position is arranged in the liquid outlet channel; the shape of the inner cavity of the base is consistent with the shape of the water tank cover, and the water tank cover is fixedly connected with the inner cavity of the base in an inserting mode.

More preferably, a plurality of stripes are arranged on the outer wall of the water tank cover and/or the inner wall of the base, and the direction of the stripes is consistent with the disassembling direction of the water tank cover.

More preferably, the port check valve comprises: the valve comprises a valve body shell with a flow passage, a valve core for opening and closing the flow passage and a valve core spring; the valve core spring is used for adjusting the relative position of the valve core on the flow passage.

More preferably, a valve cover is arranged at the bottom of the valve body shell, and a through hole communicated with the fluid channel and a mounting seat used for mounting the valve core spring are arranged on the valve cover.

More preferably, a valve core sealing ring is sleeved outside the valve core; and a valve body shell sealing ring is sleeved outside the valve body shell, and the valve body shell is in interference fit with the liquid outlet channel through the valve body shell sealing ring.

More preferably, the inlet check valve includes: the valve plate spring is used for adjusting the relative position of the valve plate and the air inlet valve plug; an air inlet channel penetrates through the air inlet valve plug, and the valve plate is used for opening and closing the air inlet channel.

More preferably, the valve plate comprises a valve plate cover covering the air inlet valve plug, and a cylindrical section inserted in the valve plug channel.

A range hood is provided with the range hood water tank mounting structure for preventing water leakage.

The utility model has the advantages that: (1) the problem that the water tank is complex in installation process is solved, the water tank can be inserted into the corresponding base when in use, and the water tank does not need to be taken down after use; in addition, the water tank has a water leakage prevention function by adopting the air inlet one-way valve and the liquid outlet one-way valve, so that the liquid in the water tank cannot flow out under the condition of nonuse; and the full mechanical structure is used, so that the reliability is higher than that of an electric part. (2) Threaded connection who uses between water tank and the tank lid can, therefore can adopt the screw thread the same with ordinary mineral water tank, during the use, the user can use arbitrary mineral water bottle splendid attire liquid, has solved the live time overlength, and the water tank damages the problem that needs the repurchase, and the cost is also reduced simultaneously, and the commonality is good.

Drawings

Fig. 1 shows a cross-sectional view of the water tank of the range hood with the water leakage prevention function provided by the utility model.

Fig. 2 shows a sectional view of the water tank cover of the water tank of the range hood with the water leakage prevention function provided by the utility model.

Fig. 3 is a perspective view of the water tank cover of the water tank of the range hood with the water leakage prevention function provided by the utility model.

Fig. 4 shows that the utility model provides a liquid outlet check valve cross-sectional view of range hood water tank with leak protection water function.

Fig. 5 shows the valve cover structure diagram of the water tank of the range hood with the water leakage prevention function provided by the utility model.

Fig. 6 shows that the utility model provides an air inlet check valve cross-sectional view of range hood water tank with leak protection water function.

Fig. 7 is another schematic view of the water tank cover.

Fig. 8 shows another assembly of the water tank and the water tank cover.

Reference numerals indicate the same.

1: a water tank, 2: a range hood, 3: lock nut, 4: a base, 5: liquid outlet check valve, 6: air inlet check valve, 7: a water tank cover.

51: valve body housing, 52: valve core, 53: spool seal, 54: valve body housing seal ring, 55: spool spring, 56: and a valve cover.

61: intake valve plug, 62: valve plug sealing washer, 63: valve plate, 64: a valve plate spring.

71: liquid outlet channel, 72: intake passage, 73: support boss, 74: an annular groove.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.

In the present invention, unless otherwise explicitly defined or limited, the terms "assembled", "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.

The following description will further describe embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages of the present invention will be more clear and definite. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.

Example 1.

As shown in fig. 1 to 3, a leakage-proof water tank mounting structure of a range hood includes: the water tank is detachably mounted on the body of the cigarette making machine and comprises a water tank cover 1, a water tank cover 7 is mounted on the water tank, a liquid outlet channel 71 and an air inlet channel 72 are arranged on the water tank cover 7, a liquid outlet one-way valve 5 used for controlling water in the water tank to flow out in a one-way mode is mounted on the liquid outlet channel 71, and an air inlet one-way valve 6 used for controlling external air to enter the water tank in a one-way mode is arranged on the air inlet channel 72.

In the embodiment, a through hole is formed in the cigarette machine body 2, and a base 4 is installed in the through hole; the water tank cover 7 and the base 4 are detachably mounted together, so that the water tank 1 is assembled and fixed. The base 4 penetrates out of the through hole and is abutted against the inner wall of the cigarette machine body 2 through a flange, and threads are arranged on the outer surface of the base 4; the base 4 is locked and fixed on the cigarette machine body 2 by the locking nut 3 after passing through the through hole of the cigarette machine body 2.

In the present embodiment, the water tank 1 is screwed to the tank cover 7. A step position and a water outlet pipe which are protruded outwards are formed on the water tank cover 7; the air inlet passage 72 is positioned on the step position, and the opening of the air inlet passage 72 is in a step shape with a wide outside and a narrow inside, so that the air inlet check valve 6 can be conveniently installed; the pipeline of the water outlet pipe forms a liquid outlet channel 71, and a supporting convex position 73 is arranged in the liquid outlet channel 71, so that the liquid outlet one-way valve 5 can be conveniently installed. The shape of the inner cavity of the base 4 is consistent with the shape of the water tank cover 7, and the water tank cover 7 is fixedly inserted into the inner cavity of the base 4.

It should be noted that, a person skilled in the art can adjust the detachable connection modes between the through hole and the base, and between the water tank cover and the water tank according to actual needs, and if the detachable connection modes are set as clamping connection, the detachable connection can be achieved; the present embodiment is not limited.

Referring to fig. 4 and 5, the outlet check valve 5 includes a valve body case 51, a valve core 52, and a valve core spring 55, which are mutually matched, the valve core 52 is movably disposed in the flow passage of the valve body case 51 back and forth and closes the flow passage under the action of the valve core spring 55, and a valve core sealing ring 53 made of rubber is sleeved outside the valve core 52, and has the main functions of playing the best flow passage closing effect and ensuring no water leakage.

The bottom of the valve body shell 51 is provided with a valve cover 56, the valve cover 56 is provided with a second through hole, the valve cover 56 is provided with an installation seat for installing the valve core spring 55, the upper part of the valve core spring 55 is contacted with the valve core 52, and the lower part of the valve core spring 55 is contacted with the valve cover 56. Under normal conditions, the spring 55 is under compression, which applies an upward force to the valve core 52, so that the valve core 52 is lifted upward to close the flow passage, and the valve core sealing ring 53 is pressed against the valve body shell 51 to ensure sealing.

The upper part of the valve body shell 51 is sleeved with a valve body shell sealing ring 54 which is made of rubber, so that the liquid outlet one-way valve 5 is in close contact with the inner wall of the liquid outlet channel 71. The liquid outlet one-way valve 5 is arranged in the liquid outlet channel 71 of the water tank cover 7 and is in interference fit with the liquid outlet channel 71 through the valve body shell sealing ring 54, so that no water leaks out. When in the normal state, the water in the tank 1 has a downward pressure on the valve core 52, and the valve core spring 55 gives a larger force to the valve core, so that the water is isolated at the upper part of the valve core and cannot leak out. When the range hood needs to be cleaned, the opening of the liquid outlet one-way valve 5 is realized through the suction force provided by power devices such as an external water pump and the like.

As shown in fig. 6, the inlet check valve 6 includes: establish air inlet valve plug 61 in the intake passage 72, with air inlet valve plug 61 complex valve block 63 to and be used for adjusting valve block 63 with air inlet valve plug 61 relative position's valve block spring 64. The air inlet valve plug 61 is a cylinder with an air inlet channel arranged in the middle, a valve plug sealing ring 62 is sleeved outside the cylinder, and the air inlet valve plug 61 and the valve plug sealing ring 62 are jointly arranged at the lower end of the air inlet channel 72. Valve block 63 is placed in air inlet valve plug 61's top and is used for opening and close gas outlet valve plug 61's inlet channel, valve block spring 64's upper portion and tank lid 7 contact, valve block spring 64's lower part and valve block 63 contact.

Under normal conditions, valve plate spring 64 is in the compressed state, gives valve plate 63 a decurrent power, makes valve plate 63 hug closely the up end of air inlet valve plug 61, guarantees that liquid can not spill in the water tank 1. After the liquid in the water tank 1 flows out from the liquid outlet channel 71 under the external power, the pressure in the water tank 1 is gradually reduced due to the reduction of the volume of the liquid in the water tank 1, after a certain threshold value is reached, the atmospheric pressure acting on the lower surface of the valve plate 63 is greater than the pressure (spring force and water pressure) acting on the upper surface of the valve plate 63, the valve plate 63 starts to move upwards, and at the moment, the gas enters the water tank 1 from the gas inlet channel of the gas inlet valve plug 61 until the pressure is balanced.

More specifically, the material of valve block is rubber, it establishes including the lid the valve block lid of air inlet valve plug top, and establish the valve block lid below, be used for inserting the cylinder section in the passageway of air inlet valve plug 61. Thus, it is ensured that the valve plate 61 can only move up and down. The air inlet channel 72 on the water tank cover 7 is a step-shaped circular channel, and a first step for limiting the valve plate spring and a second step for limiting the moving position of the valve plate 63 are arranged in the air inlet channel 72.

In addition, the water tank is only limited by name for convenience of description, and the liquid loaded in the water tank is not limited to clean water and can be various cleaning liquids capable of meeting the cleaning requirements; the shape of the water tank is not limited to the shape shown in the drawings, and may be various bottle shapes, box shapes, tank shapes, and the like which are known in the prior art or can be realized in the future. In this embodiment, the specification of preferred water tank lid 7 is unanimous with the water tank lid specification of ordinary mineral water tank on the market for ordinary mineral water bottle on the market also can with the utility model provides a water tank lid is supporting to be used, has solved the live time overlength, and the water tank damages the problem that needs the repurchase, and the while also reduces the cost has stronger commonality. The periphery of the water tank cover 7 is provided with a plurality of stripes, and the direction of the stripes is consistent with the disassembly direction of the water tank cover. Set up the stripe and not only can increase frictional force, conveniently dismantle the tank lid, ensure moreover that the tank lid pegs graft with the base and have sufficient support stability.

In some embodiments, the stripes are arranged on the inner wall of the base instead of the inner wall of the base, or the stripes are arranged on both the outer wall of the water tank cover and the inner wall of the base, so that similar technical effects can be achieved.

Example 2.

Referring to fig. 7 and 8, the leak-proof range hood water tank mounting structure provided in this embodiment is substantially the same as that in embodiment 1, except that an annular groove 74 in interference fit with an outlet front section of the water tank 1 is provided at the bottom of the water tank cover 7, inner and outer walls of the annular groove 74 both protrude inward into the annular cavity (see A, B circle in fig. 8), and the outlet front section of the water tank 1 is a smooth section and is in interference fit with the inner and outer walls of the annular groove 74.

During actual assembly, the water tank 1 and the water tank cover 7 are in threaded connection, so that an interference assembly process can be conveniently and quickly completed by applying certain spiral tightening force, the installation is simple, the optimal assembly sealing effect can be achieved, and the water leakage prevention performance is excellent.

Example 3.

A range hood having a range hood water tank mounting structure as described in embodiment 1 or embodiment 2.

The range hood provided by the embodiment has all the advantages of the embodiment 1 or the embodiment 2, and the description is omitted here. The specific structure of the range hood can adopt the existing or future structure, and the detailed description is not provided herein.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims

1. A leak-proof water tank mounting structure of a range hood comprises: the water tank is detachably mounted on the body of the range hood and is characterized in that a water tank cover is mounted on the water tank, a liquid outlet channel and an air inlet channel are arranged on the water tank cover, a liquid outlet one-way valve used for controlling cleaning liquid in the water tank to flow out in a one-way mode is mounted on the liquid outlet channel, and an air inlet one-way valve used for controlling external air to enter the water tank in a one-way mode is arranged on the air inlet channel.

2. The water tank installation structure of a range hood for preventing water leakage of claim 1, wherein a through hole is formed on a body of the range hood, and a base for fixing the water tank is installed in the through hole; the water tank cover and the base are detachably mounted together, and the water tank is assembled and fixed.

3. The water tank installation structure of a range hood capable of preventing water leakage according to claim 2, wherein the base penetrates out of the through hole and abuts against the inner wall of the body of the range hood through a flange, and the base and the body of the range hood are locked and fixed through a locking nut.

4. The water tank installation structure of a water leakage preventing range hood according to claim 2, wherein a step position and a water outlet pipe which protrude outwards are formed on the water tank cover, the air inlet channel is positioned on the step position, and an opening of the air inlet channel is in a step shape with a wide outside and a narrow inside; the pipeline of the water outlet pipe forms the liquid outlet channel, and a supporting convex position is arranged in the liquid outlet channel; the shape of the inner cavity of the base is consistent with the shape of the water tank cover, and the water tank cover is fixedly connected with the inner cavity of the base in an inserting mode.

5. The water tank installation structure of a water leakage preventing range hood as claimed in claim 4, wherein a plurality of stripes are arranged on the outer wall of the water tank cover and/or the inner wall of the base, and the direction of the stripes is consistent with the disassembly direction of the water tank cover.

6. The water leakage preventing range hood water tank mounting structure of claim 1, wherein the liquid outlet check valve comprises: the valve comprises a valve body shell with a flow passage, a valve core for opening and closing the flow passage and a valve core spring; the valve core spring is used for adjusting the relative position of the valve core on the flow passage; the bottom of the valve body shell is provided with a valve cover, and the valve cover is provided with a through hole communicated with the flow channel and an installation seat used for installing the valve core spring; a valve core sealing ring is sleeved outside the valve core; and a valve body shell sealing ring is sleeved outside the valve body shell, and the valve body shell is in interference fit with the liquid outlet channel through the valve body shell sealing ring.

7. A water leakage preventing cistern mounting structure for range hood as claimed in claim 1, wherein said air inlet check valve comprises: the valve plate spring is used for adjusting the relative position of the valve plate and the air inlet valve plug; an air inlet channel penetrates through the air inlet valve plug, and the valve plate is used for opening and closing the air inlet channel.

8. The water tank installation structure of range hood capable of preventing water leakage of claim 7, wherein the valve plate comprises a valve plate cover covering the air inlet valve plug and a cylindrical section inserted into the air inlet channel.

9. The water tank mounting structure of range hood capable of preventing water leakage according to claim 1, wherein the water tank and the water tank cover are in threaded connection; the bottom of the water tank cover is provided with an annular groove in interference fit with the front section of the outlet of the water tank; the inner wall and the outer wall of the annular groove both protrude inwards to the annular cavity, the front outlet section of the water tank is a smooth section, and the smooth section is in interference fit with the inner wall and the outer wall of the annular groove.

10. A range hood, characterized in that, it has the range hood water tank installation structure of a leak protection water of any claim 1-9.