Air valve and cigarette paste heating device

Abstract

The utility model discloses an air valve and a cigarette paste heating device, and relates to the technical field of valves, the air valve comprises a mounting bracket, an air inlet end part, an air outlet end part and a valve body part; a mounting groove is concavely formed in the mounting bracket; the air inlet end part and the air outlet end part are both accommodated in the mounting groove, and the air inlet end part comprises a first air inlet, a first air outlet and a first channel for communicating the first air inlet with the first air outlet; the air outlet end part comprises a second air inlet, a second air outlet and a second channel communicated with the second air inlet and the second air outlet; and the second air inlet of the air outlet end part is movably mounted at the first air outlet of the air inlet end part. According to the technical scheme, the air valve is of a split structure, namely, the second air inlet of the air outlet end is movably installed at the first air outlet of the air inlet end, so that detachable cleaning can be achieved, on one hand, the interior of the air valve can be cleaned more deeply, and on the other hand, damage to equipment caused by water spraying is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, especially a kind of air valve and tobacco extract heating device. BACKGROUND

[0002] Existing airflow one-way valve, due to the need to maintain air tightness, generally is integral structure, and is fixed on equipment, for the environment needing to be cleaned frequently, it is very unfriendly.If overall cleaning will cause equipment to be damaged again. INVENTION CONTENTS

[0003] The utility model discloses a kind of air valve and tobacco extract heating device, to provide a kind of split type detachable cleaning air valve and tobacco extract heating device.

[0004] To achieve the above object, the air valve provided by the utility model comprises:

[0005] Mounting bracket, recessed with mounting groove;

[0006] Air inlet end, housed in the mounting groove, the air inlet end includes first air inlet and first air outlet, and the first channel that is communicated with the first air inlet and the first air outlet;

[0007] Air outlet end, housed in the mounting groove, the air outlet end includes second air inlet and second air outlet, and the second channel that is communicated with the second air inlet and the second air outlet;And,

[0008] Valve body, set in the second channel of the air outlet end, to make airflow one-way flow from the air inlet end to the air outlet end;

[0009] Wherein, the second air inlet of the air outlet end is movably installed at the first air outlet of the air inlet end.

[0010] In an embodiment, sealing element is provided at the connection of the second air inlet of the air outlet end and the first air outlet of the air inlet end, to seal the first channel and the second channel.

[0011] In an embodiment, recess is recessed at one of the outer periphery side of the second air inlet of the air outlet end and the outer periphery side at the first air outlet of the air inlet end;

[0012] The sealing element includes elastic rubber ring, housed in the recess.

[0013] In an embodiment, the second air outlet is set on the upper side of the second air inlet;

[0014] The second passage of the air outlet end portion is expanded to form a valve cavity near the second air outlet;

[0015] The air valve further comprises a gravity ball accommodated in the valve cavity, and the gravity ball has a diameter greater than that of the second passage;

[0016] The valve body portion comprises the valve cavity and the gravity ball.

[0017] In an embodiment, a matching taper is formed on the outer circumferential side of the gravity ball relative to the connection between the second passage and the valve cavity.

[0018] In an embodiment, a plurality of blocking pieces are protruded on the side wall of the second passage near the second air outlet.

[0019] In an embodiment, a through hole is formed in the air outlet end portion relative to the second passage;

[0020] The air outlet end portion further comprises a cover body for covering the through hole to seal the second passage.

[0021] In an embodiment, a mounting protruding rib is annularly arranged on the side wall of the through hole relative to the cover body, so that the cover body is elastically clamped in the through hole.

[0022] In an embodiment, a flange is further protruded on the circumferential side of the cover body, so as to assist the cover body to separate from the through hole of the air outlet end portion.

[0023] The utility model further provides a tobacco paste heating device, the tobacco paste heating device includes the air valve as any one of the preceding embodiments; wherein, the air valve comprises:

[0024] The mounting bracket is concave and has a mounting groove;

[0025] The air inlet end portion is accommodated in the mounting groove, and the air inlet end portion comprises a first air inlet and a first air outlet, and a first passage connecting the first air inlet and the first air outlet;

[0026] The air outlet end portion is accommodated in the mounting groove, and the air outlet end portion comprises a second air inlet and a second air outlet, and a second passage connecting the second air inlet and the second air outlet; and,

[0027] The valve body portion is arranged in the second passage of the air outlet end portion, so that the airflow flows unidirectionally from the air inlet end portion to the air outlet end portion;

[0028] The second air inlet of the air outlet end portion is movably mounted at the first air outlet of the air inlet end portion.

[0029] The technical scheme of the utility model discloses a split type structure of the air valve, namely, the second air inlet of the air outlet end is movably installed at the first air outlet of the air inlet end, so that detachable cleaning can be realized, the air valve can be cleaned more deeply, and the equipment itself is not damaged by water. BRIEF DESCRIPTION OF DRAWINGS

[0030] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structure shown in the drawings without creative labor for those skilled in the art.

[0031] Figure 1 The utility model provides a structure schematic diagram of an embodiment of air valve;

[0032] Figure 2 For Figure 1 The inner cross-sectional view in the left view direction;

[0033] Figure 3 For Figure 2 The local enlarged view at A;

[0034] Figure 4 The utility model provides a structure schematic diagram of an embodiment of tobacco paste heating device.

[0035] Explanation of the reference numerals in the drawings:

[0036] 100, air valve;1, mounting bracket;11, mounting groove;2, air inlet end;11, first air inlet;12, first air outlet;121, sealing element;1211, elastic rubber ring;122, groove;13, first channel;3, air outlet end;31, second air inlet;32, second air outlet;321, blocking element;33, second channel;331, matching taper surface;34, through hole;35, cover body;351, mounting convex rib;352, flange;4, valve body part;41, valve body cavity;42, gravity ball;200, tobacco paste heating device.

[0037] The realization, functional characteristics and advantages of the utility model will be further illustrated with reference to the drawings in combination with the embodiments. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0039] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.

[0040] In addition, if the embodiments of the present application involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, "and / or" or "and / or" appearing throughout the text means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0041] The existing air flow one-way valve needs to maintain air tightness, generally has an integral structure, and is fixed on the equipment, which is very unfriendly to the environment that needs to be cleaned frequently. If the whole is cleaned, water will enter the equipment, causing damage to the equipment.

[0042] To solve the above problems, the present application provides a gas valve and a tobacco paste heating device, which aims to provide a split type detachable cleaning gas valve and a tobacco paste heating device, Figures 1 to 4 The structure diagram of an embodiment provided by the gas valve of the present application.

[0043] Please refer to Figures 1 to 3In an embodiment of the utility model, the air valve 100 includes installation support 1, air inlet end 2, air outlet end 3 and valve body part 4, installation support 1 is recessed with installation groove 11, air inlet end 2 is contained in installation groove 11, air inlet end 2 includes first air inlet 11 and first air outlet 12, and the first channel 13 that communicates first air inlet 11 with first air outlet 12, air outlet end 3 is contained in installation groove 11, air outlet end 3 includes second air inlet 31 and second air outlet 32, and the second channel 33 that communicates second air inlet 31 with second air outlet 32, valve body part 4 is arranged in the second channel 33 of air outlet end 3, to be used for the one-way flow of air current from air inlet end 2 to air outlet end 3, wherein the second air inlet 31 of air outlet end 3 is movably installed at the first air outlet 12 of air inlet end 2.

[0044] The technical scheme of the utility model is through the air valve 100 with split type structure, namely the second air inlet 31 of air outlet end 3 is movably installed at the first air outlet 12 of air inlet end 2, so setting can realize detachable cleaning, can wash the inside of air valve 100 more deeply on the one hand, and the equipment itself will not be damaged by being watered on the one hand.

[0045] Further, please refer to Figure 2 And Figure 3 The sealing member 121 is arranged at the connection of the second air inlet 31 of air outlet end 3 and the first air outlet 12 of air inlet end 2, to seal the first channel 13 and the second channel 33. It can be understood that, since the air valve 100 is assembled by the air inlet end and air outlet end 3, in order to guarantee the air tightness of the connection, the sealing member 121 is arranged at the connection of the second air inlet 31 of air outlet end 3 and the first air outlet 12 of air inlet end 2, and the connection of the first channel 13 and the second channel 33 is sealed by the sealing member 121, to further guarantee the one-way flow and air tightness of the air valve 100.

[0046] Further, please refer to Figure 2 And Figure 3, one of the outer periphery of the second air inlet 31 of the air outlet end 3 and the outer periphery at the first air outlet 12 of the air inlet end 2 is recessed with a groove 122; the sealing member 121 comprises an elastic rubber ring 1211, which is accommodated in the groove 122. It can be understood that, in order to guarantee the one-way flow and air tightness of the air valve 100, specifically, one of the outer periphery of the second air inlet 31 of the air outlet end 3 and the outer periphery at the first air outlet 12 of the air inlet end 2 is recessed with the groove 122; the sealing member 121 comprises the elastic rubber ring 1211, which is accommodated in the groove 122, thereby air-tightly sealing the connection between the air inlet end 2 and the air outlet end 3 by the elastic rubber ring 1211. In order to prevent the elastic rubber ring 1211 from being displaced or lost when the air inlet end 2 and the air outlet end 3 are disassembled and assembled each time the air valve 100 is cleaned, thereby causing the air tightness of the air valve 100 to fail. Therefore, in order to avoid the displacement or loss of the elastic rubber ring 1211, the groove 122 is recessed at one of the outer periphery of the second air inlet 31 of the air outlet end 3 and the outer periphery at the first air outlet 12 of the air inlet end 2, and the elastic rubber ring 1211 is accommodated in the groove 122. On the other hand, the groove 122 also limits the elastic rubber ring 1211, so as to ensure that the elastic rubber ring 1211 is not lost when the air inlet end 2 and the air outlet end 3 are installed or disassembled, thereby further guaranteeing the air tightness of the air valve 100, that is, guaranteeing the reliability of the air valve 100.

[0047] In addition, please refer to Figure 2 and Figure 3, the second air outlet 32 is arranged on the upper side of the second air inlet 31; a part of the second channel 33 of the air outlet end 3 near the second air outlet 32 is expanded to form a valve cavity 41; the air valve 100 further comprises a gravity ball 42 accommodated in the valve cavity 41, and the diameter of the gravity ball 42 is greater than the diameter of the second channel 33; wherein the valve body part 4 comprises the valve cavity 41 and the gravity ball 42. It can be understood that, in order to realize the one-way flow of the air valve 100, that is, to realize that the flow direction of the air flow of the air valve 100 is from the first air inlet 11 of the air inlet end 2 to the second air outlet 32 of the air outlet end, specifically, a part of the second channel 33 of the air outlet end 3 near the second air outlet 32 is expanded to form the valve cavity 41; the air valve 100 further comprises a gravity ball 42 accommodated in the valve cavity 41, and the diameter of the gravity ball 42 is greater than the diameter of the second channel 33, and at the same time, the second air outlet 32 is arranged on the upper side of the second air inlet 31, so that when the air flow flows from the first air inlet 11 to the second air outlet 32, the air flow lifts the gravity ball 42, so that the first channel 13 and the second channel 33 remain in a state of communication, and when there is no air flow or the air flow flows from the second air outlet 32 to the first air inlet 11, the gravity ball 42 falls back to the bottom of the valve cavity 41 under the action of gravity, and because the diameter of the gravity ball 42 is greater than the diameter of the second channel 33, the gravity ball 42 blocks the second channel 33, so that the air flow cannot flow from the second channel 33 to the first channel 13, thereby realizing the one-way flow of the air valve 100.

[0048] Further, referring to Figure 2 and Figure 3 , a matching taper surface 331 is formed at the connection between the second channel 33 and the valve cavity 41 opposite the outer circumferential side of the gravity ball 42. It can be understood that, in order to ensure that the gravity ball 42 can fully block the second channel 33 after falling back to the valve cavity 41, so as to ensure the air tightness of the one-way flow of the air valve 100, the matching taper surface 331 is formed at the connection between the second channel 33 and the valve cavity 41 opposite the outer circumferential side of the gravity ball 42, and the matching taper surface 331 is in full contact with the arc surface of the outer circumferential side of the gravity ball 42, thereby ensuring that the gravity ball 42 fully and reliably blocks the second channel 33, thereby ensuring the one-way flow of the air valve 100.

[0049] Further, referring to Figure 2 and Figure 3The side wall of the second channel 33 is provided with a plurality of blocking pieces 321 near the second air outlet 32. It can be understood that in order to avoid the air flow from the air inlet end 2 to the air outlet end 3 being too large and too strong, and thus the gravity ball 42 being pushed out of the second air outlet 32 under the action of the strong air flow, the side wall of the second channel 33 is provided with the plurality of blocking pieces 321 near the second air outlet 32. The plurality of blocking pieces 321 provided at the second air outlet 32 can avoid the possibility that the gravity ball 42 is pushed out of the valve body 4 by the strong air flow.

[0050] In addition, referring to Figure 2 and Figure 3 , the air outlet end 3 is provided with a through hole 34 relative to the second channel 33; the air outlet end 3 further includes a cover body 35, which is used to cover the through hole 34 to close the second channel 33. It can be understood that in order to be able to clean the air valve 100, the air outlet end 3 is provided with the through hole 34 relative to the second channel 33, so that the air outlet end 3 can be removed from the first air outlet 12 of the air inlet end 2, and then the inside of the air outlet end 3 and the valve body cavity 41 can be cleaned through the through hole 34. At the same time, the air outlet end 3 further includes the cover body 35, which is used to cover the through hole 34 to close the second channel 33. The through hole 34 of the air outlet end 3 after cleaning is covered by the cover body 35, so as to ensure the air tightness of the air valve 100 in use.

[0051] Further, referring to Figure 2 and Figure 3 , the cover body 35 is provided with a mounting convex rib 351 relative to the side wall of the through hole 34, which is used to elastically hold the cover body 35 in the through hole 34. In order to ensure the air tightness of the cover body 35 covering the through hole 34, the cover body 35 is provided with the mounting convex rib 351 relative to the side wall of the through hole 34, which is used to elastically hold the cover body 35 in the through hole 34. Through the arrangement of the mounting convex rib 351, when the cover body 35 covers the through hole 34, the mounting convex rib 351 tightly abuts against the side wall of the through hole 34, so as to ensure the air tightness of the cover body 35 covering the through hole 34, that is, the air tightness of the air valve 100 as a whole.

[0052] Further, referring to Figure 2 and Figure 3The cover 35 is further provided with a flange 352 on the periphery thereof, which is used to assist the cover 35 to be separated from the through hole 34 of the air outlet end 3. It can be understood that, in order to facilitate the cover 35 to be detached from the through hole 34 of the air outlet end 3, the cover 35 is further provided with the flange 352 on the periphery thereof, through which the user can easily separate the cover 35 from the through hole 34 of the air outlet end 3, thereby reducing the operation difficulty of the user.

[0053] The utility model discloses still propose a tobacco paste heating device 200, please refer to Figure 2 Figure 3 Figure 4 The tobacco paste heating device 200 includes the air valve 100, and the specific structure of the air valve 100 refers to the above embodiment, since the tobacco paste heating device 200 adopts all the technical schemes of the above all embodiments, thus at least has all the beneficial effects brought by the technical scheme of the above embodiment, here will not repeat.

[0054] The above-mentioned is only the exemplary implementation of the utility model, and does not limit the patent range of the utility model, and all equivalent structural transformations made by the utility model specification and the attached drawings under the technical concept of the utility model, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A gas valve characterized by, The gas valve comprises: a mounting bracket, which is concave with a mounting groove; an air inlet end, which is accommodated in the mounting groove, and comprises a first air inlet, a first air outlet, and a first channel connecting the first air inlet and the first air outlet; an air outlet end, which is accommodated in the mounting groove, and comprises a second air inlet, a second air outlet, and a second channel connecting the second air inlet and the second air outlet; and a valve body, which is arranged in the second channel of the air outlet end, and is used for one-way flow of air from the air inlet end to the air outlet end; wherein the second air inlet of the air outlet end is movably mounted at the first air outlet of the air inlet end.

2. The gas valve of claim 1, wherein A sealing member is arranged at the connection between the second air inlet of the air outlet end and the first air outlet of the air inlet end, and is used for sealing the first channel and the second channel.

3. The gas valve of claim 2 wherein, One of the outer circumferential side of the second air inlet of the air outlet end and the outer circumferential side at the first air outlet of the air inlet end is concave with a groove; The sealing member comprises an elastic rubber ring, which is accommodated in the groove.

4. The gas valve of claim 1 wherein, The second air outlet is arranged above the second air inlet; The second channel of the air outlet end is expanded to form a valve body cavity near the second air outlet; The gas valve further comprises a gravity ball, which is accommodated in the valve body cavity, and has a diameter greater than that of the second channel; wherein the valve body comprises the valve body cavity and the gravity ball.

5. The gas valve of claim 4 wherein, A matching taper surface is formed at the connection between the second channel and the valve body cavity, and is opposite the outer circumferential side of the gravity ball.

6. The gas valve of claim 1 wherein, A plurality of blocking members are protruded from the side wall of the second channel near the second air outlet.

7. The gas valve of claim 1 wherein, The air outlet end is penetrated with a through hole relative to the second channel; The air outlet end further comprises a cover, which is used for covering the through hole to close the second channel.

8. The gas valve of claim 7 wherein, The cover is annularly provided with a mounting protruding rib relative to the side wall of the through hole, and is elastically clamped in the through hole.

9. The gas valve of claim 7 wherein, The cover is further protruded with a flange towards its circumferential side, and is used for assisting the cover to separate from the through hole of the air outlet end.

10. A smoking-paste heating device, characterized by, The smoke paste heating device comprises the gas valve according to any one of claims 1-9.

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