Inflation valve structure for stove

Abstract

The inflation valve structure comprises a main body, and a limiting convex ring is integrally formed on the inner wall of the main body; an ejector pin, a sealing ring, a spring and a locking nut are arranged in the main body; an internal thread is arranged at the end part of the inner wall of the main body, and an external thread is arranged on the locking nut; the ejector pin is located in the body, and the sealing ring abuts against the position between the ejector pin and the side face of the limiting protruding ring. The spring is arranged between the ejector pin and the locking nut, the end of the ejector pin abuts against the center of the limiting protruding ring under the action of the spring, and external air pressure can compress the spring to enable the ejector pin to be loosened from the limiting protruding ring to achieve inflation. The structure is reasonable in arrangement, inflation control can be achieved, the ejector pin can abut against the limiting convex ring for sealing under the action of the spring, when the external air pressure is larger than the pressure of the spring during inflation, the spring can be compressed, the ejector pin is loosened from the limiting convex ring, the effectiveness, stability and reliability of inflation are guaranteed, the machining cost is reduced, and the production efficiency is improved. And the air inflation device does not swing during air inflation, so that the air leakage condition is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of inflation, specifically relates to a gas filling valve structure for stove. BACKGROUND

[0002] The corresponding gas storage structure is needed when using the gas stove or gas stove, and the corresponding gas filling structure will be in the gas storage structure, in order to guarantee the effectiveness of the gas filling, the corresponding gas filling valve structure is needed, the gas filling valve of prior art includes valve shell, valve core, gas nozzle and sealing ring, although it can satisfy the use demand of general situation, but its structure is more complex, and will swing when filling gas, thereby causing gas leakage, influence the effectiveness and stability of the gas filling, therefore, the applicability is limited. SUMMARY

[0003] The utility model discloses a gas filling valve structure for stove which is reasonable in structure and is beneficial to improving the use stability.

[0004] The technical scheme of the utility model discloses a gas filling valve structure for stove, which comprises a main body, a limiting convex ring is integrally formed on the inner wall of the main body.

[0005] A thimble, a sealing ring, a spring and a locking nut are arranged in the main body.

[0006] An internal thread is arranged at the end of the inner wall of the main body, and an external thread is arranged on the locking nut.

[0007] The thimble is arranged in the main body, and the sealing ring is arranged between the thimble and the side surface of the limiting convex ring.

[0008] The spring is arranged between the thimble and the locking nut, and the end of the thimble is arranged at the center of the limiting convex ring under the action of the spring, and the external air pressure can compress the spring to make the thimble loose from the limiting convex ring to realize gas filling.

[0009] Further preferably, a guide nut is arranged at one end of the main body away from the locking nut.

[0010] A sealing washer is arranged between the guide nut and the limiting convex ring.

[0011] Further preferably, the thimble comprises a circular plate, a spring abutting column integrally formed in the middle of the side surface of the circular plate and a circular truncated cone needle body integrally formed in the middle of the other side surface of the circular plate.

[0012] A buffer groove is arranged in the middle of the end surface of the circular truncated cone needle body.

[0013] The inner diameter of the limiting convex ring is greater than the diameter of the end surface of the circular truncated cone needle body and less than the middle diameter of the circular truncated cone needle body.

[0014] Further preferably, the diameter of the circular plate is greater than the inner diameter of the limiting convex ring and less than the inner diameter of the main body.

[0015] The utility model has the positive effect: the utility model discloses the structure is reasonable, and it can realize the inflation control through the thimble cooperation spring and main part, and under the action of spring, the thimble can be sealed in the limiting convex ring, when the external air pressure is greater than the pressure of spring when inflating, the spring will compress and the thimble is loose from the limiting convex ring, guarantee the effectiveness and the stable reliability of inflation, and the overall structure is simple, is favorable for reducing the processing cost, and also will not swing when inflating, thereby will not appear the air leakage condition, and the applicability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily be clearly understood, the following according to specific embodiment and combining with the drawings, the utility model is further detailed, wherein:

[0017] Fig. 1 It is the split structure schematic view of the utility model.

[0018] Fig. 2 It is the split structure schematic view of the utility model.

[0019] Reference signs: main body 1, limiting convex ring 2, thimble 3, circular plate 31, spring abutment column 32, circular table shape needle body 33, buffer groove 34, sealing ring 4, spring 5, locking nut 6, guide nut 7, sealing washer 8. DETAILED DESCRIPTION

[0020] The technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model. EMBODIMENT

[0021] See Figs. 1-2 As shown in the figure, a kind of gas filling valve structure for stove, including main body 1, the inner wall of the main body is integrally formed with limiting convex ring 2;In the embodiment, its main body is the conventional structure of prior art, just simply application;

[0022] In the embodiment, a plunger, a sealing ring, a spring and a locking nut are arranged in the main body; during processing, an inner thread is arranged on the inner wall end of the main body, and an outer thread is arranged on the locking nut; during assembly, the plunger is arranged in the main body, and the sealing ring is arranged between the plunger and the side surface of the limiting convex ring; the spring is arranged between the plunger and the locking nut, and the end of the plunger is arranged at the center of the limiting convex ring under the action of the spring; the spring can be compressed by external air pressure to make the plunger loose from the limiting convex ring to realize inflation.

[0023] In the embodiment, a guide nut is arranged on the end of the main body away from the locking nut; and a sealing washer is arranged between the guide nut and the limiting convex ring, so that the sealing property of the connection part can be ensured.

[0024] Meanwhile, the plunger comprises a circular plate, a spring abutting column integrally formed in the middle of the side surface of the circular plate and a circular truncated cone needle body integrally formed in the middle of the other side surface of the circular plate; a buffer groove is arranged in the middle of the end surface of the circular truncated cone needle body; and during processing, the inner diameter of the limiting convex ring is greater than the diameter of the end surface of the circular truncated cone needle body and smaller than the middle diameter of the circular truncated cone needle body. The diameter of the circular plate is greater than the inner diameter of the limiting convex ring and smaller than the inner diameter of the main body. Through the above structure, the convenience and effectiveness of plugging and opening of the plunger can be improved, the operation is convenient, and the applicability is strong.

[0025] The utility model has the positive effect: the structure of the utility model is reasonable, and inflation control can be realized through the plunger, the spring and the main body; the plunger can be abutted at the limiting convex ring to be sealed under the action of the spring; when the external air pressure is greater than the pressure of the spring during inflation, the spring is compressed and the plunger is loose from the limiting convex ring, so that the effectiveness and stability and reliability of inflation are ensured; the overall structure is simple, the processing cost is reduced, and the applicability is strong.

[0026] The standard parts used in the embodiment can be directly purchased from the market, and the non-standard structural parts according to the description can also be directly processed according to the existing technical knowledge without doubt; meanwhile, the connection mode of each part adopts the mature conventional means in the existing technology, and the machinery, parts and equipment adopt the conventional models in the existing technology, so specific description is not made here.

[0027] Obviously, the above embodiment of the utility model is only an example for clearly illustrating the utility model, and is not a limitation on the implementation mode of the utility model. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. The changes or variations extended from the essential spirit of the utility model are still within the protection scope of the utility model.

Claims

1. A gas filling valve structure for a cooking appliance, comprising a main body, characterized by: The inner wall of the main body is integrally formed with a limiting convex ring; A plunger, a sealing ring, a spring and a locking nut are arranged in the main body; The inner wall of the main body is provided with an internal thread, and the locking nut is provided with an external thread; The plunger is arranged in the main body, and the sealing ring is arranged between the plunger and the side surface of the limiting convex ring; The spring is arranged between the plunger and the locking nut, and the plunger is arranged at the center of the limiting convex ring under the action of the spring, and the spring can be compressed by external air pressure to make the plunger loose from the limiting convex ring to realize inflation.

2. The gas charging valve structure for a cooktop according to claim 1, characterized in that: The main body is provided with a guide nut at the end away from the locking nut; A sealing washer is arranged between the guide nut and the limiting convex ring.

3. The gas inflation valve structure for a cooktop according to claim 1, characterized in that: The plunger comprises a circular plate, a spring abutting column integrally formed in the middle of the side surface of the circular plate, and a circular truncated cone needle body integrally formed in the middle of the other side surface of the circular plate; The end surface of the circular truncated cone needle body is provided with a buffer groove in the middle; The inner diameter of the limiting convex ring is greater than the diameter of the end surface of the circular truncated cone needle body and less than the middle diameter of the circular truncated cone needle body.

4. The gas charging valve structure for a cooktop according to claim 3, characterized in that: The diameter of the circular plate is greater than the inner diameter of the limiting convex ring and less than the inner diameter of the main body.

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