Hookah

Abstract

A hookah having a housing in which a receptacle to be filled with a liquid medium and a heating chamber are incorporated, the receptacle being provided with at least one suction connection, the heating chamber being connected to the receptacle via a suction hose, whereby the heating chamber has a holding fixture for a bladder for receiving a smoking medium, the receptacle and the housing part housing the electronic unit are connected in a detachable manner around the edges of both, the receptacle comprising a cover with an annular seal, the retaining fixture surrounding and precisely fitting with the bladder such that, when the receptacle and the housing part are connected together, the retaining fixture is secured to the receptacle and the housing part. The receiver and the heating chamber having a holding fixture and a bladder are sealed, and a valve is provided in the region of the mouth of the suction hose leading into the receiver.

Description

[0001] This application is a divisional application of the patent application for an invention named "Hookah with a connection between a receptacle and a housing", with the application date of June 15, 2018, the application number of 2018800964465 (PCT / DE2018 / 100563). Technical Field

[0002] The present invention relates to a hookah, which has a housing in which a receptacle and a heating chamber are incorporated. The receptacle is to be filled with a liquid medium and is provided with at least one suction connection, and the heating chamber is connected to the receptacle via a suction hose. Thus, the heating chamber has a retaining fixture for a bladder-shaped member for receiving a smoke medium. Background Art

[0003] The hookah, also known as a water pipe or a shisha pipe, originally originated in the East Asian region. In recent years, hookahs have become increasingly popular, especially as an alternative to cigarettes, particularly among young people and adolescents. Such hookahs are known from US4031906 or US2012 / 0042884, etc. Such hookahs have a receptacle that can be partially filled with water or another liquid medium. Suction at the mouthpiece creates a negative pressure in the receptacle. Additionally, the smoke column partially extends into the water; the smoke column has a head member at its upper end for receiving tobacco, and the tobacco is heated by charcoal located on top of the smoke column. Then, the smoker inhales a mixture of air, steam, and smoke particles generated when the tobacco is heated. Obviously, heating by glowing charcoal can lead to carbon monoxide poisoning, combustion accidents, or even fires in extreme cases. Such conventional hookahs are known from US2014 / 0,069,446 or US2012 / 0,042,884, etc. Since the hookah is manually filled, it is usually not possible to ensure a legally compliant filling of the hookah. In principle, the hookahs known today should therefore only be operated outdoors or indoors with a guaranteed fresh air supply.

[0004] Hookahs using this technology are also relatively heavy and large, the hookah must be assembled from multiple parts, and it is difficult to transport in the form of the individual parts of the hookah. Cleaning is also time-consuming and often does not meet hygiene standards. For example, electronic hookahs are known from US4,133,318, but these electronic hookahs do not satisfactorily reduce some of the above problems. The hookahs known from WO2017 / 080545 have also proven to be particularly advantageous. However, due to air leakage in the connection area between the water tank and the housing of the hookah, this technology still has defects. This transition from the receptacle represents a predefined break point that has a corresponding detrimental effect on the handling and smoking experience. Summary of the Invention

[0005] Accordingly, the object of the present invention is to create a hookah that is characterized by a high degree of tightness and is thus effective for the smoking experience.

[0006] This object is solved by detachably connecting the receiver and the housing part that houses the electronic unit, and a valve is provided in the area where the mouth of the suction hose leads into the receiver.

[0007] The housing of the hookah mainly comprises a first housing part, a second housing part and a third housing part. The receiver serves as the first housing part. The second housing part houses the electronic device and the suction hose, and the third housing part houses the heating chamber for the bladder. Preferably, the first housing part, the second housing part and the third housing part are included in the order mentioned from top to bottom. The receiver and the housing part that houses the electronic unit are detachably connected to each other, and a valve is additionally connected. The valve ensures improved sealing, which is a particularly effective method of preventing the escape of secondary air from the hookah according to the present invention.

[0008] Preferably, for this purpose, the valve is arranged centrally, and if necessary, a part of the valve protrudes into the interior of the receiver.

[0009] It has been mentioned that the receiver is located above the housing part that houses the electronic unit. In this sense, it is desirable that the valve should fit precisely on the suction hose that protrudes upward from the housing part. The suction hose is connected to the valve in a precisely fitting manner at the upper end of the suction hose, so that no secondary air can escape in the whole area, wherein the lower end of the suction hose leads into the heating chamber, and the suction hose passes through the housing part that houses the electronic unit.

[0010] Specifically, this means that the suction hose leads into the base of the receiver from below. Therefore, the base must be overall strong enough to form a stable mounting for the valve and the end of the hose.

[0011] A preferred design of the present invention is that the base of the receiver has a hollow space, and the hollow space has an integral central mounting plate for fixing the suction hose. The mounting plate positioned centrally in the hollow space of the originally relatively strong base serves as a mounting for the suction hose.

[0012] In addition, the suction hose is designed to lead into the mounting plate. Therefore, the suction hose terminates in the receiver, preferably in the base of the receiver, and in a particularly advantageous manner terminates in the mounting plate incorporated into the base of the receiver.

[0013] It goes without saying that the suction hose and the valve are arranged on the longitudinal axis of the hookah, such that when the receiver and the housing are assembled, for example after cleaning, the suction hose directly finds its position in the valve.

[0014] This type of installation between the suction hose and the valve seems to be advantageous if the mouth of the suction hose is provided with a seal in the base of the receiver. The seal provides a seal between the suction hose and the base of the receiver and / or between the suction hose and the mounting plate located in the hollow space, thus absolutely ensuring a reliable and safe air path via the suction hose and the connectors of the suction hose without causing losses.

[0015] It has already been mentioned that the receiver and the housing part accommodating the electronic device are detachably connected to each other. A preferred design of the present invention is that the receiver and the housing part accommodating the electronic device are connected to each other at the edge, which is then supplemented by an exact fit between the top of the suction hose and the valve.

[0016] For example, it has been considered that the receiver and the housing part accommodating the electronic device are connected to each other via a universal thread, snap connection, bayonet lock or universal insertion connection. A preferred design is a screw connection, a thread. The receiver is screwed onto the housing part accommodating the electronic unit, which involves establishing a connection between the suction hose and the valve. The receiver, the housing, the suction hose and the valve are synchronized, such that a firm external connection and a reliable positioning of the valve are inevitable.

[0017] The receiver is closed at the end facing away from the suction hose by a cover. Desirably, the receiver has an inwardly protruding collar at the upper end of the receiver, and a sealing member is incorporated into the cover on the bottom side of the receiver facing the collar.

[0018] An O-ring is preferred, such that the seal is already in place when the cover is connected to the receiver. Here, a threaded connection is also a preferred design.

[0019] The advantage of the fact that the housing part accommodating the electronic device has switches, indicator lights, connectors, etc. on the upper side of the housing part is that these switches, indicator lights and connectors can only be easily accessed when the receiver has been removed, and these switches, indicator lights and connectors are not otherwise obstructive or detrimental to the design.

[0020] The aim is to ensure efficient heat transfer between the heating chamber and the bladder inserted into the heating chamber, which is achieved by a precise fit between on the one hand the retaining fixture or a part of the retaining fixture and on the other hand the bladder. The conical part is very important for this precise fit. Due to the precise fit between the side wall of the retaining fixture surrounding the bladder and the bladder itself, this allows for a particularly targeted heat transfer. The more firmly the bladder is positioned in the retaining fixture, the more effectively the heat is transferred from the outside, i.e., from the direction of the heating chamber, towards the direction of the bladder. A particularly advantageous variant for this precise fit is one in which the side wall of the retaining fixture tapers in a conical manner towards the interior of the heating chamber, where the angle of the conical part is from about 5° to 10°, preferably about 7°. An ideal geometry is obtained when the diameter of the retaining fixture increases constantly by about 1.1 times to 1.25 times, preferably about 1.17 times, between the front part and the rear part of the retaining fixture, or when the diameter of the bladder increases constantly by about 1.1 times to 1.25 times, preferably about 1.17 times, between the front part and the rear part of the bladder. According to a design of the invention, the retaining fixture has a closing ring on the outer part of the retaining fixture, which closing ring extends transversely to the longitudinal axis of the housing, and the retaining fixture for the bladder is joined into this closing ring, i.e., the closing ring or the heating chamber is arranged and designed to correspond to each other such that the closing ring has a central opening and the bladder is positioned in this central opening in the retaining fixture. Depending on the arrangement of the receiver, the heating chamber, etc., the closing ring also forms the upper end part or the lower end part of the housing or the heating chamber. Additionally, when the bladder is inserted into the heating chamber, the closing ring also serves as a stop for the gasket on the bladder. Thus, the closing ring ensures that the bladder is positioned in the heating chamber, especially since the bladder has a gasket with which the bladder abuts against the closing ring.

[0021] Due to the mechanism in the retaining fixture for pushing the used bladder out of its position in the retaining fixture in a direction opposite to the insertion direction, the used bladder can be pushed out of its position in the heating chamber in the retaining fixture without the user having to touch parts of the hookah that may be exposed to high temperatures. Thus, this health hazard caused by the high temperature of up to 200 °C that the heated hookah bladder can have is eliminated, and at the same time the situation where the bladder gets stuck when being pulled out is eliminated. Any inflation process of the bladder is irrelevant because the bladder can be pushed out of the retaining fixture in a particularly effective manner in a direction away from the receiver. The fact that the mechanism can be operated from the outside of the heating chamber serves the same purpose, which purpose is specifically to create a sufficient distance between the operator's hand and the heating chamber or to create a sufficient distance between the operator's hand and the bladder inside the heating chamber.

[0022] The advantageous design of the present invention is configured such that the suction hose is mounted so that it can move in the direction of the longitudinal axis of the suction hose. For such a mechanism, this is a particularly optimal solution because the existing suction hose has an additional function as a mechanism for removing the cartridge. In terms of the high temperature of the used cartridge in the heating chamber, this additional function is achieved at a completely safe distance. By simply pressing the suction hose, a force is exerted on the cartridge in a direction opposite to the direction of cartridge insertion. Thus, the cartridge is inevitably released from its position in the retaining fixture in the heating chamber. For ease of operation, it has been considered to mount the suction hose so that it can move against a spring force, such that after use the suction hose returns to its initial position to release the cartridge, and the play of the suction hose during operation is restricted.

[0023] The present invention is particularly characterized in that the hookah ensures an optimal total air supply from the cartridge to the air discharged through the mouthpiece. This is due to the special connection between the water tank and the housing of the hookah, specifically between the water tank and the central housing part that houses the electronic components. The reliable transmission of air between the heating chamber, the central housing part that houses the electronic components, and the water tank via the suction hose ensures that air does not escape between the heating chamber, the central housing part that houses the electronic components, and the water tank, because when the receptacle and the central housing part are assembled or screwed together, a particularly firm connection can be established through a valve located in the center of the receptacle and the central housing part. Additionally, the suction hose leads into the receptacle, specifically into the hollow base of the receptacle having a central mounting plate, and this central mounting plate serves as a mounting member for the suction hose in this area of the hookah. Description of the Drawings

[0024] Other details and advantages of the object of the present invention can be found in the following description of the associated drawings, which show preferred design examples with the necessary details and individual parts. Shown are:

[0025] Figure 1 is a top view of the hookah,

[0026] Figure 2 is a cross-section of the hookah according to Figure 1 ,

[0027] Figure 3 is a cross-section of the mouth of the suction hose,

[0028] Figure 4 is a perspective view of the receptacle and the housing part that houses the electronic unit,

[0029] Figure 5 is a cross-section of the receptacle and the housing part,

[0030] Figure 6 is a longitudinal section of the receiver and the housing part,

[0031] Figure 7 shows the receiver in a perspective view,

[0032] Figure 8 is a longitudinal section of the receiver,

[0033] Figure 9 is a cross-section of the receiver,

[0034] Figure 10 is Figure 11 a detail view of

[0035] Figure 11 is the connecting ring, the retaining fixture and the bladder, and

[0036] Figure 12 is a spring-mounted suction hose. DETAILED DESCRIPTION

[0037] Figure 1 shows a hookah 1 having a housing 2, also known as a shisha or hookah. The receiver 3 is closed at the top by a cap 23. A suction hose 55 is connected at the integral end of the suction hose to a connector 56 which is part of the cap 23, and the suction hose is fitted at its other end with a replaceable mouthpiece 57. A plurality of hoses can be connected. 58 indicates the water level for the water stored in the receiver 3, which is particularly desirable when only partially filling the receiver 3. The heating chamber, the accumulator and the control unit are hidden by the housing 59. 60 indicates the open, close and standby switches for operating the hookah. 10 and 10' indicate two bladders having perforations 61 for receiving a solid or liquid smoking medium. The air inlets in the form of a plurality of air gaps are marked 62.

[0038] In addition, Figure 2 shows a cross-section of the hookah 1. In the center, marked 7, is the housing part for receiving the control unit, and in the lower part is the heating chamber 4 which has a retaining fixture 5 for the bladder and a removable base plate 30. The thread 22 between the receiver 3 and the housing part 7 for receiving the electronics is clearly visible, such that when assembling these two components, the valve 9 positioned in the center is automatically positioned, which is located in the base 12 of the receiver or projects partially into the interior 19 of the receiver. The receiver 3 is screwed onto the housing part 7 for receiving the electronic unit, which involves establishing a connection between the suction hose 6 and the valve 9.

[0039] Figure 3First, a solid multi-layer design of the base 12 of the receptacle 3 is shown. The mouth 8 of the suction hose 6 is fixed by three seals in the form of O-rings 16, 17, and 18. The valve 9 and the suction hose 6 are positioned on a common longitudinal axis 15. The hollow space incorporated into the base 12 is labeled 13 and serves to hold the central mounting plate 14, and then the suction hose 6 leads very precisely into the central mounting plate 14.

[0040] Figure 4 The housing part 7 is shown, which is used to accommodate the electronic unit connected to the receptacle 3. The switch for operating the electronic unit and thus the hookah is labeled with reference numeral 31.

[0041] The cross-section of the receptacle is shown in Figure 5 which has a central valve 9 and a thread 22 on the outer edge 20.

[0042] In Figure 6 this partial solution with the receptacle 3 and the housing part 7 is additionally shown, where the receptacle 3 and the housing part 7 are connected via the valve 9.

[0043] Figure 7 The receptacle 3 is shown, which has a valve 9 at its lower end 26. The thread on the outer edge of the receptacle 3 is labeled 22. The opposite upper end 25 of the receptacle provides the possibility of connection for a cover not shown here. Here, the housing 3 has an inward-facing gasket 27, on the bottom side 28 of which a sealing part in the form of an O-ring 29 can be found here. Then the cover can be screwed onto the receptacle 3 via the internal thread 24.

[0044] Additionally, this is shown in Figure 8 where the receptacle 3 is characterized by being connected on one side to a housing part (not shown here) for accommodating the electronic unit and on the other side to a cover.

[0045] Figure 9 The cross-section of the housing 2 of the hookah 1 with a central valve 9 and an external thread 22 is shown again.

[0046] Additionally, Figure 10 a detailed view circled in Figure 11 is shown, which is in the form of incorporating a retaining fixture into a closure ring 41. The closure ring 41 is connected to a gasket 42 on the retaining fixture. At the same time, a bladder 10 with a gasket 43 is located in the retaining fixture 5 and is particularly tight due to having a uniform taper of approximately 7°. It should also be mentioned that, in order to adapt to the closure ring 41, the bladder 10 has a section 45 between the gasket 43 and the actual wall 44 of the bladder, where the wall of the bladder 10 extends completely parallel to the longitudinal axis 46.

[0047] Finally, Figure 12 shows a cross-section. The reference numeral 6 indicates a suction hose which can be moved in the direction of the longitudinal axis 63 by applying pressure to the suction hose 6 in the direction of arrow 50 manually or via a control unit. The suction hose 6 has two hose sections 52 and 53 with different diameters. The diameter of the section 53 of the suction hose 6 facing the heating chamber 4 is smaller than the diameter of the section 53 facing the receiver (not shown here), so that a collar 51 or a stop is formed which, when the suction hose 6 moves, acts on the spring 48. It is conceivable to provide an inner hose 49 here. In addition, the second hose section 53 is surrounded by a compression spring 48 at the end of the second hose section facing the first hose section 52, or a spring housing 64 is incorporated into the wall 47 of the heating chamber 4 facing the receiver. It can be clearly seen that the front end 65 of the second hose section 53 projects into the heating chamber 4. The guide pin for the suction hose 6 is labeled 54.

Claims

1. A hookah (1), the hookah having a housing in which a receptacle (3) and a heating chamber (4) are incorporated, the receptacle being to be filled with a liquid medium, and the receptacle being provided with at least one suction connection, the heating chamber (4) being connected to the receptacle via a suction hose (6), whereby the heating chamber (4) has a retaining fixture (5) for a bladder (10) for receiving a smoke medium, the hookah being characterized in that, The receiver (3) and the housing part (7) that houses the electronic unit are detachably connected to each other around the edges of both, where, the receptacle includes a lid having an annular seal, and the retaining fixture surrounds the bladder and fits precisely with the bladder such that when the receptacle is connected to the housing part, the receptacle and the heating chamber having the retaining fixture and the bladder are sealed, and a valve (9) is provided in a region where the mouth (8) of the suction hose (6) leads into the receptacle (3).

2. The water pipe according to claim 1, wherein The valve (9) fits precisely on the suction hose (6) protruding from the housing part (7).

3. The hookah according to claim 1, characterized in that, The suction hose (6) leads into the base (12) of the receptacle (3) from below.

4. The hookah according to claim 3, characterized in that, The base (12) of the receptacle (3) has a hollow space (13) having an integral central mounting plate (14) for fixing the suction hose (6).

5. The hookah according to claim 1, characterized in that, The receptacle includes a mounting plate (14), wherein the suction hose (6) leads into the mounting plate (14).

6. The water pipe according to claim 1, characterized in that, The suction hose (6) and the valve (9) are arranged on the longitudinal axis (15) of the housing (2) of the hookah (1).

7. The hookah according to claim 1, characterized in that, The receptacle (3) has an inwardly protruding collar at the upper end of the receptacle for a sealing component to be incorporated into the lid.

8. The hookah according to claim 1, characterized in that, The receptacle (3) and the housing part (7) accommodating the electronic unit are connected to each other via a thread (22), snap connection, bayonet lock or plug connection.

9. The hookah according to claim 1, characterized in that, The receptacle (3) has an inwardly protruding collar (27) at the upper end (25) of the receptacle, and the annular seal is incorporated into the lid (23) on the bottom side of the receptacle facing the collar (27).

10. The hookah according to claim 1, characterized in that, The receptacle (3) has both a base (12) and a lid (23).

11. The hookah according to claim 10, the hookah further including a seal provided on the receptacle (3) in a region where the mouth (8) of the suction hose (6) leads into the receptacle (3).

12. The hookah according to claim 11, the suction hose (6) passing through an additional seal provided on the housing part (7).

13. The hookah according to claim 10, wherein, The base is integrally formed with the receptacle at one end of the receptacle, and the receptacle is closed by a lid at the other end.

14. The hookah according to claim 1, wherein, A plurality of additional seals are provided on the receptacle (3) in a region where the mouth (8) of the suction hose (6) leads into the receptacle (3).

15. The hookah according to claim 1, wherein, When the receiver and the housing part are connected together, the receiver and the heating chamber having the retaining fixture and the bladder are sealed to prevent the escape of secondary air during use.

16. A hookah (1) having a housing (2) in which a receiver (3) and a heating chamber (4) are incorporated, the receiver being fillable with a liquid medium and the receiver being provided with at least one suction connection, the heating chamber being connected to the receiver via a suction hose (6), whereby the heating chamber (4) has a retaining fixture (5) for a bladder (10) for receiving a smoke medium, characterized in that the receiver (3) and the housing part (7) accommodating the electronic unit are detachably connected, and a valve (9) is provided in the region where the mouth (8) of the suction hose (6) leads into the receiver (3).

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