Inflation valve

Abstract

The utility model provides an inflation valve, and relates to the field of inflation sealing devices. The inflation valve comprises a valve seat, an air tap, a safety valve, a sealing ring, a one-way valve, an end cover, a sealing gasket and a bridle, the valve seat is provided with a pressing edge and an annular groove A, the air tap is provided with an inner connecting end, an outer connecting end, a limiting ring, a valve groove, a pressure relief hole and a valve frame, the end cover is provided with an annular groove B and a pressing ring, the bridle is provided with a lantern ring A, a lantern ring B and a lantern ring C, and the lantern ring B is provided with an air closing ring; the inner connecting end and the outer connecting end of the air tap are respectively fixed with the valve seat and the end cover in a screwed mode, a sealing ring is arranged between the air tap and the valve seat, a sealing gasket is arranged between the end cover and the air tap, the safety valve is sleeved on a valve groove of the air tap, the one-way valve is arranged on the valve frame, the lantern ring A and the lantern ring C are respectively sleeved on the annular groove A and the annular groove B, and the lantern ring B is sleeved on the inner side of the limiting ring. During inflation, air enters an inflation article through the air tap, and when the air pressure is too high, the air ejects open the safety valve to be exhausted, and the inflation article is protected.

Description

Technical Field

[0001] The present application relates to the field of inflatable sealing devices, and in particular to an inflatable valve. Background Art

[0002] With the development of inflatable product technology, the application scope of inflatable products is becoming wider and wider, and the inflation pressure of inflatable equipment for some products is also getting higher and higher, especially the outdoor inflatable tents, inflatable beds and inflatable kayaks that have developed well in recent years; as the inflation pressure of inflatable equipment is getting higher and higher, the overcharging protection of inflatable products has also received attention, so overcharging safety valves are added to inflatable products. While installing overcharging safety valves to protect inflatable products, it also increases material costs and process costs; the inflation valves in the prior art only have the functions of inflating and holding air.

[0003] Therefore, there is an urgent need for a technical solution with a reasonable structure that can add an overfill protection function to the existing inflation valve without affecting the production and use of existing inflation products. Utility Model Content

[0004] The purpose of this application is to provide an inflation valve to solve the above-mentioned technical problems.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: The present application provides an inflation valve, which includes a valve seat, an air nozzle, a safety valve, a sealing ring, a one-way valve, an end cover, a sealing gasket and a band, the valve seat is provided with a pressed edge and a ring groove A, the air nozzle is provided with an inner end, an outer end, a limit ring, a valve groove, a pressure relief hole and a valve frame, the end cover is provided with a ring groove B and a pressure ring, the band is provided with a sleeve ring A, a sleeve ring B and a sleeve ring C, and the sleeve ring B is provided with an air-closing ring; the inner end and the outer end of the air nozzle are respectively connected to the The valve seat and the end cover are screwed and fixed, and the sealing ring is arranged between the air nozzle and the valve seat, and the sealing gasket is arranged between the end cover and the air nozzle. The safety valve is sleeved on the valve groove of the air nozzle, and the one-way valve is installed on the valve frame. The sleeve ring A and the sleeve ring C are sleeved on the ring groove A and the ring groove B respectively, and the sleeve ring B is sleeved on the inner side of the limit ring. During inflation, the gas enters the inflatable product through the air nozzle. When the air pressure is too high, the gas pushes open the safety valve and is discharged to protect the inflatable product.

[0006] Optionally, the valve seat is provided with a pressing edge and an annular groove A, and the valve seat is pressed and connected to the inflatable product via the pressing edge.

[0007] Optionally, the air nozzle is provided with an inner end, an outer end, a limit ring, a valve groove, a pressure relief hole and a valve frame. The air nozzle structure is a hollow tubular structure. The inner end and the outer end are both provided with external threads. The air nozzle is screwed and fixed to the valve seat through the inner end. The valve groove is provided as an annular groove structure. The pressure relief holes are opened on the valve groove and are arranged in a ring on the valve groove. The diameter of the pressure relief holes is smaller than the width of the valve groove.

[0008] Optionally, the safety valve is an annular structure and is made of soft rubber material. The inner side surface structure of the safety valve is the same as the outer groove surface structure of the valve groove. When the safety valve is sleeved on the valve groove, the safety valve can fit tightly on the valve groove and the safety valve can completely close the pressure relief hole.

[0009] Optionally, the valve rack is arranged on the valve slot at a side of the external end of the air nozzle, and the one-way valve is assembled on the valve rack. The one-way valve can prevent the inflated gas from leaking when the inflatable device is removed.

[0010] Optionally, the end cover is provided with a ring groove B and a pressure ring, and the end cover is screwed and fixed on the external end of the gas nozzle. When the end cover is tightened, the pressure ring presses the sleeve ring B downward so that the air-closing ring presses the safety valve downward.

[0011] Optionally, the collar A and the collar C are respectively sleeved on the ring groove A and the ring groove B, and the collar B is sleeved on the inner side of the limiting ring.

[0012] The beneficial effects of the embodiments of the present application include:

[0013] The present application provides an air release valve on the air nozzle. In the absence of a separate safety air release valve, the inflatable product can be effectively protected from being exploded by the inflatable equipment during the inflation process, and can also provide pressure relief protection when the inflation port is squeezed and the internal pressure is too high during use.

[0014] The present application provides an air release valve on the air nozzle, and air release valves of different strengths can be selected according to the air pressure tolerance values ​​of different inflatable products, thereby improving the adaptability of the inflation valve.

[0015] The present application provides an air release valve on the air nozzle, and the overall structure is slightly different from the existing inflation valve, which will not increase the difficulty of the existing production and assembly process, and there is no need to install a separate safety air release valve, which can effectively reduce the production difficulty and production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A schematic diagram of the appearance of the inflation valve provided in an embodiment of the present application;

[0018] Figure 2 A schematic diagram of the cross-sectional structure of the inflation valve provided in an embodiment of the present application;

[0019] Figure 3 A disassembly diagram of an inflation valve provided in an embodiment of the present application;

[0020] Figure 4 A schematic diagram of a cross-sectional structure of a valve seat provided in an embodiment of the present application;

[0021] Figure 5 A schematic diagram of the cross-sectional structure of the gas nozzle provided in an embodiment of the present application;

[0022] Figure 6 A schematic diagram of the cross-sectional structure of the end cover provided in an embodiment of the present application;

[0023] Figure 7 A schematic diagram of a strap structure provided in an embodiment of the present application;

[0024] Figure 8 This is a schematic diagram of the cross-sectional structure of the strap provided in an embodiment of the present application.

[0025] In the figure: 01, inflation valve, 10, valve seat, 101, pressed edge, 102, ring groove A, 20, air nozzle, 201, inner end, 202, outer end, 203, limit ring, 204, valve groove, 205, pressure relief hole, 206, valve frame, 21, safety valve, 22, sealing ring, 23, one-way valve, 30, end cover, 301, ring groove B, 302, pressing ring, 31, sealing gasket, 40, strap, 401, sleeve ring A, 402, sleeve ring B, 4021, air closing ring, 403, sleeve ring C. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0029] In the description of the present application, it should be noted that the terms "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the application is usually placed when in use. These are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0030] In the description of this application, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "disposed" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] like Figures 1 to 7As shown, this embodiment provides an inflation valve 01, which includes a valve seat 10, an air nozzle 20, a safety valve 21, a sealing ring 22, a one-way valve 23, an end cover 30, a sealing gasket 31 and a band 40, wherein the valve seat 10 is provided with a pressed edge 101 and an annular groove A102, the air nozzle 20 is provided with an inner end 201, an outer end 202, a limit ring 203, a valve groove 204, a pressure relief hole 205 and a valve frame 206, the end cover 30 is provided with an annular groove B301 and a pressure ring 302, the band 40 is provided with a sleeve ring A401, a sleeve ring B402 and a sleeve ring C403, and the sleeve ring B402 is provided with an air-closing ring 4021; the inner end 201 and the outer end 202 of the air nozzle 20 are provided with a sealing ring 4021; The end 202 is screwed and fixed to the valve seat 10 and the end cover 30 respectively, and the sealing ring 22 is arranged between the air nozzle 20 and the valve seat 10, and the sealing gasket 31 is arranged between the end cover 30 and the air nozzle 20. The safety valve 21 is sleeved on the valve groove 204 of the air nozzle 20, and the one-way valve 23 is installed on the valve frame 206. The collar A401 and the collar C403 are sleeved on the annular groove A102 and the annular groove B301 respectively, and the collar B402 is sleeved on the inner side of the limit ring 203. During inflation, the gas enters the inflatable product through the air nozzle 20. When the air pressure is too high, the gas pushes open the safety valve 21 and is discharged to protect the inflatable product.

[0032] Specifically, the valve seat 10 is provided with a pressing edge 101 and an annular groove A102, and the valve seat 10 is pressed and connected to the inflatable product through the pressing edge 101; the air nozzle 20 is screwed and fixed to the valve seat 10 through the inner connection end 201; the sealing ring 22 is provided between the valve seat 10 and the air nozzle 20, and when the air nozzle 20 is tightened, the air nozzle 20 presses the sealing ring 22 between the air nozzle 20 and the valve seat 10, thereby ensuring the sealing between the air nozzle 20 and the valve seat 10.

[0033] Specifically, the valve groove 204 is configured as an annular groove structure, the pressure relief hole 205 is opened on the valve groove 204 and is arranged in a ring on the valve groove 204, the diameter of the pressure relief hole 205 is smaller than the width of the valve groove 204, the safety valve 21 is annular in structure and is made of soft rubber material, and safety valves 21 of different strengths can be adapted according to different air pressure requirements, the inner side surface structure of the safety valve 21 is the same as the outer groove surface structure of the valve groove 204, when the safety valve 21 is sleeved on the valve groove 204, the safety valve 21 can fit tightly on the valve groove 204 and the safety valve 21 can completely close the pressure relief hole 205, the pressure bearing strength of the safety valve 21 is set to be less than the maximum pressure bearing strength of the inflatable product, when the inflation pressure is greater than the pressure bearing force of the safety valve 21, the gas pushes the safety valve 21 open and is discharged, and the inflatable equipment cannot continue to inflate the inflatable product with gas, thereby preventing the inflatable product from being inflated and exploded.

[0034] Specifically, the valve frame 206 of the air nozzle 20 is arranged on the side of the valve slot 205 biased towards the external end 202, and the one-way valve 23 is assembled on the valve frame 206. During inflation, when the air pressure is less than the air-closing valve value of the safety valve 21, the gas enters through the external end 202, pushes open the one-way valve 23 and then enters the inflatable product. When the inflation pressure is greater than the air-closing valve value of the safety valve 21, the gas is directly discharged after pushing open the safety valve 21 through the pressure relief hole 205. At this time, the gas pumped by the inflation equipment cannot be pumped into the inflatable product, thereby protecting the inflatable product from being exploded.

[0035] Specifically, the end cover 30 is provided with a pressure ring 302, and the strap 40 is provided with an air-closing ring 4021. After the inflation is completed, when the end cover 30 is tightened, the pressure ring 302 presses the sleeve ring B402 downward so that the air-closing ring 4021 presses the safety valve 21 downward to prevent the gas from leaking out of the safety valve 21; when the use scenario of the inflatable product is relatively complicated, severe squeezing is prone to occur and the inflatable product may be crushed and exploded, the end cover 30 can be unscrewed. When severe squeezing occurs, the gas can leak out from the safety valve 21, thereby preventing the inflatable product from being squeezed and exploded.

[0036] Specifically, the sealing gasket 31 is further disposed between the end cover 30 and the gas nozzle 20 , and the sealing gasket 31 can improve the sealing performance between the end cover 30 and the gas nozzle 20 .

[0037] Although the embodiments of the present application have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An inflation valve, characterized in that: include: A valve seat, an air nozzle, a safety valve, a sealing ring, a one-way valve, an end cover, a sealing gasket and a band. The valve seat is provided with a pressed edge and a ring groove A. The air nozzle is provided with an inner end, an outer end, a limit ring, a valve groove, a pressure relief hole and a valve frame. The end cover is provided with a ring groove B and a pressure ring. The band is provided with a sleeve ring A, a sleeve ring B and a sleeve ring C. The sleeve ring B is provided with an air-closing ring. The inner end and the outer end of the air nozzle are respectively screwed and fixed to the valve seat and the end cover, and the air nozzle and the The sealing ring is arranged between the valve seats, the sealing gasket is arranged between the end cover and the air nozzle, the safety valve is sleeved on the valve groove of the air nozzle, the one-way valve is installed on the valve frame, the sleeve ring A and the sleeve ring C are sleeved on the ring groove A and the ring groove B respectively, and the sleeve ring B is sleeved on the inner side of the limit ring. During inflation, the gas enters the inflatable product through the air nozzle. When the air pressure is too high, the gas pushes open the safety valve and is discharged to protect the inflatable product.

2. The inflation valve according to claim 1, characterized in that: The valve groove structure is an annular structure, the valve groove is provided with the pressure relief holes, the pressure relief holes are distributed in a ring on the valve groove, the diameter of the pressure relief holes is smaller than the width of the valve groove, and the pressure relief holes are connected with the inside of the air nozzle.

3. The inflation valve according to claim 1, characterized in that: The safety valve is an annular structure and is made of soft rubber material. The inner side surface structure of the safety valve is the same as the outer groove surface structure of the valve groove. When the safety valve is sleeved on the valve groove, the safety valve can fit tightly on the valve groove and the safety valve can completely close the pressure relief hole.

4. The inflation valve according to claim 1, characterized in that: The gas nozzle is provided with the valve frame, the valve frame is arranged on the valve slot at a side of the gas nozzle external connection end, and the one-way valve is assembled on the valve frame.

5. The inflation valve according to claim 1, characterized in that: When the end cover is tightened, the pressure ring presses the sleeve ring B downward so that the air-closing ring presses the safety valve downward.

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