Air valve cover with good protectiveness

Abstract

The utility model discloses an air valve cover with good protectiveness, which relates to the technical field of air valve covers, and comprises an inner shell, a connecting ring detachably fixed with the inner shell, an outer shell arranged outside the inner shell, and an air passage formed among the inner shell, the connecting ring and the outer shell, and the inner shell and the outer shell are fixed through a plurality of groups of connecting components; the air channel comprises an air collecting channel, an air rising channel and an air falling channel which are sequentially communicated, the air falling channel is communicated outside the shell, and the air collecting channel is located on the inner side of the connecting ring; the inner side of the inner shell is in threaded connection with the connecting ring; the connecting assemblies are uniformly distributed between the inner shell and the outer shell; the air purifier has the advantages that airflow from the air valve enters the air collecting channel, flows upwards through the air ascending channel, flows downwards through the air descending channel and is discharged to the outer side of the shell, a fluctuating space is provided, and the shielding performance of the inlet and the outlet is good so that the dust blocking capacity can be improved; the inner shell and the outer shell are fixed through the connecting assembly, the air channel is directly formed, and manufacturing can be convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air valve cover, more specifically to a good protective air valve cover. BACKGROUND

[0002] The air valve is a kind of device for controlling gas flow, and is widely used in various mechanical equipment and systems;It can control the flow of gas by opening, closing or adjusting the opening degree to meet the needs under different working conditions;

[0003] The prior art "application number: CN201320211906.9, a vehicle air conditioner compressor exhaust valve dust cover", provides the smooth exhaust valve, and also effectively prevents dust;

[0004] But the cover cavity structure of the exhaust valve dust cover is too simple, and there is the shortcoming of poor dust blocking protection. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of good protective air valve covers to solve the above technical problems.

[0006] The utility model discloses a kind of good protective air valve covers to solve the above technical problems.

[0007] The utility model provides a kind of good protective air valve cover, including inner shell, with the inner shell detachable fixed link ring, be located the shell outside the inner shell, and form the air passage between the inner shell, link ring and shell, the inner shell is fixed between shell by several groups of connecting components;

[0008] Air passage includes the air collection passage, ascending air passage and descending air passage communicated in sequence, descending air passage is communicated outside shell, and air collection passage is in the inner side of link ring.

[0009] As a preferred technical scheme of the utility model, the inner side of the inner shell is threadedly connected with the link ring.

[0010] As a preferred technical scheme of the utility model, the ascending air passage is in the shape of expanding annular from bottom to top.

[0011] As a preferred technical scheme of the utility model, the descending air passage is in the shape of expanding annular from top to bottom.

[0012] As a preferred technical scheme of the utility model, the connecting component is provided with multiple groups and is evenly distributed between the inner shell and the shell.

[0013] As a preferred technical scheme of the utility model, the connecting component includes a vertical rod fixed in the shell at one end of a rod and a perforation provided on the inner shell, and the vertical rod is fixed in the perforation.

[0014] The utility model has the beneficial effects as follows:

[0015] The gas valve is provided in the gas collecting passage, flows upward through the ascending passage, and then flows downward through the descending passage and is discharged to the outside of the shell, so that the high-low fluctuation space is provided, the inlet and outlet have good shielding property, and the dust blocking capacity is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the utility model;

[0017] Figure 2 is Figure 1 a sectional structure schematic view;

[0018] Figure 3 is an implementation structure schematic view of the utility model.

[0019] The drawings show that the utility model discloses: a gas valve cover with good protection, the material of the gas valve cover is stainless steel, and the gas valve cover comprises an inner shell 1, a connecting ring 2 fixedly connected with the inner shell 1 in a detachable mode, DETAILED DESCRIPTION

[0020] As Figures 1-3 shown, the utility model provides: a gas valve cover with good protection, the material of the gas valve cover is stainless steel, and the gas valve cover comprises an inner shell 1, a connecting ring 2 fixedly connected with the inner shell 1 in a detachable mode,

[0021] As Figure 3 shown, the gas valve is installed at the bottom end of the connecting ring 2 and surrounds the gas port end, and the shell is fixed to the connecting ring 2 by welding or the like, and the position of the connecting ring 2 is in the inner side of the inner shell 1, so that part of the gas valve cover can be covered, and the protection is improved.

[0022] The inner side of the inner shell 1 is screw-connected with the connecting ring 2, so that the inner shell 1 can be conveniently detached for maintenance or replacement.

[0023] Further comprise the outer shell 3 that is established in the inner shell 1 outside, and the gas passage 4 that is formed between the inner shell 1, the connecting ring 2 and the outer shell 3, the ventilation of gas valve is carried out by the gas passage 4, and the inner shell 1 and the outer shell 3 are fixed by a plurality of groups of connecting assemblies 5;

[0024] The gas passage 4 comprises a gas collecting passage 41, an ascending passage 42 and a descending passage 43 connected in sequence, the descending passage 43 is communicated with the outside of the outer shell 3, and the gas collecting passage 41 is in the inner side of the connecting ring 2, as Figure 2 shown, when the gas valve top end discharges gas, the gas passes through the gas collecting passage 41, flows upward through the ascending passage 42, then flows downward through the descending passage 43 and is discharged to the outside of the outer shell 3, so that the high-low fluctuation space is provided, the inlet and outlet have good shielding property, and the dust blocking capacity is improved.

[0025] Among them, the air duct 42 is expanded annular shape from bottom to top; the air duct 43 is expanded annular shape from top to bottom, can the gas in the gas collecting duct 41 is evenly diffused flow, slow down the airflow to a certain noise reduction;

[0026] The connecting assembly 5 is provided with multiple groups, which are uniformly distributed between the inner shell 1 and the outer shell 3, and the multiple groups are reasonably distributed to improve the strength of the connecting support structure;

[0027] The specific structure of the connecting assembly 5 is as follows:

[0028] The connecting assembly 5 includes a vertical rod 51 fixed in the outer shell 3 and a perforated hole 52 provided on the inner shell 1, the vertical rod 51 extends into the perforated hole 52 and is fixed, the vertical rod 51 and the outer shell 3 can be fixed and integrated by welding or one-piece forming, after the vertical rod 51 is placed in the perforated hole 52, welding or other methods can be used for fixing and integration, so as to form the air duct 4 conveniently.

[0029] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, for those skilled in the art, obviously, the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0030] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, the description manner of the specification is only for clarity, those skilled in the art should regard the specification as a whole, the technical solutions in each embodiment can also be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A protective air valve bonnet characterized by, The utility model relates to a gas stove, including inner shell (1), with the inner shell (1) detachable fixed link chain (2), be located the outer shell (3) of inner shell (1), and form the air passage (4) between inner shell (1), link chain (2) and outer shell (3), the inner shell (1) with outer shell (3) between through several groups of connecting assembly (5) fixed, The air passage (4) includes the air collecting passage (41) that communicates successively, the ascending air passage (42) and the descending air passage (43), and the descending air passage (43) is communicated outside the outer shell (3), and the air collecting passage (41) is inside the link chain (2).

2. A protective air valve bonnet as defined in claim 1, wherein, The inner side of the inner shell (1) is threadedly connected with the link chain (2).

3. A protective air valve bonnet as defined in claim 1 wherein, The ascending air passage (42) is in the shape of an expanding ring from bottom to top.

4. A protective air valve bonnet as defined in claim 3 wherein, The descending air passage (43) is in the shape of an expanding ring from top to bottom.

5. A protective air valve bonnet as defined in claim 1 wherein, The connecting assembly (5) is provided with multiple groups and is uniformly distributed between the inner shell (1) and the outer shell (3).

6. A protective air valve bonnet as defined in claim 5 wherein, The connecting assembly (5) includes a vertical rod (51) fixed in the outer shell (3) at one end of a rod and a perforation (52) provided on the inner shell (1), and the vertical rod (51) extends into the perforation (52) and is fixed.

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