Along-road gulp valve

Abstract

The utility model provides an along-road gulp valve which is installed on a pipeline and comprises a front valve seat, a rear valve seat, a nozzle and a sealing ring. The front valve seat and the rear valve seat are connected end to end, a cavity is formed between the front valve seat and the rear valve seat, the nozzle enters the cavity through the rear valve seat, and a sealing ring is arranged between the nozzle and a wall. The front valve seat is communicated with the pipeline, the nozzle is communicated with an air source, and air enters the pipeline through the nozzle, the inner cavity and the front valve seat. The gulp valve can solve the problems that a traditional gulp valve is short in service life and slow in response.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of air supplement valve, especially along the road air supplement valve. BACKGROUND

[0002] In the pharmaceutical, food, chemical industry, the conveying process of material pipeline will form negative pressure, seriously affect the conveying efficiency of material; in addition, if the equipment is restarted, material will be accumulated in the pipeline, the material (especially powder) will block the pipeline after restarting the equipment, which can easily cause damage to the equipment, along the road air supplement valve is a kind of automatic, convenient replacement, high-efficiency compressed air supplement device, the service life of traditional air supplement valve is short, and response is slow. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the utility model aims at providing a kind of along the road air supplement valve to solve the problem of short service life and slow response of traditional air supplement valve.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A kind of along the road air supplement valve, install to pipeline, including front valve seat, rear valve seat, nozzle and sealing ring;

[0006] The front valve seat and rear valve seat are connected head to tail, and a cavity is formed between the front valve seat and the rear valve seat, the nozzle enters the cavity through the rear valve seat,

[0007] Sealing ring is arranged between the nozzle and the wall, the front valve seat is communicated with the pipeline, the nozzle is communicated with the gas source, and the gas enters the pipeline through the nozzle, the inner cavity and the front valve seat.

[0008] Further, the nozzle includes a fixed part and an air inlet part connected at the end,

[0009] The fixed part is connected with the rear valve seat, the circumferential surface of the air inlet part is provided with an air inlet hole, and the sealing ring realizes the cladding of the circumferential surface of the air inlet part, thereby realizing the plugging of the air inlet hole.

[0010] Further, a groove is arranged at the connection between the circumferential surface of the air inlet part and the fixed part, the inner side of the sealing ring is provided with a protrusion corresponding to the groove, and the relative limiting between the nozzle and the sealing ring is realized.

[0011] Further, the outer side of the sealing ring is provided with two limiting convex rings, and the inner wall of the rear valve seat is provided with a limiting concave ring corresponding to the limiting convex ring, so as to limit the sealing ring.

[0012] Further, the inner wall of the rear valve seat is a conical surface, and the inner diameter of the rear valve seat gradually increases from the rear valve seat end to the front valve seat end, so that one side of the sealing ring is in close contact with the inner wall of the rear valve seat, and the other side has a cooperation gap with the inner wall of the rear valve seat.

[0013] Further, the nozzle is ventilated, the air flow lifts the sealing ring through the air inlet hole, the air inlet gap is formed between the sealing ring and the outer wall of the fixed part, the air flow enters the pipeline through the front valve seat, and air supplement is realized.

[0014] Compared with the prior art, the along-road air supplement valve has the following advantages:

[0015] The along-road air supplement valve has the advantages of simple structure, simple working principle, fewer parts, low cost, effective solution to the phenomenon that material cannot be conveyed and is blocked due to equipment shutdown and restart, reduced wear, improved service life, and fast response. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments of the application illustrated in the drawings are presented by way of example only and are not intended to limit the present application unless otherwise specified. In the drawings:

[0017] Figure 1 The along-road air supplement valve is shown in a cross-sectional view.

[0018] Figure 2 The along-road air supplement valve is shown in a cross-sectional view.

[0019] BRIEF DESCRIPTION OF DRAWINGS

[0020] 1, front valve seat; 2, rear valve seat; 3, nozzle; 31, groove; 32, fixed part; 33, air inlet part; 4, sealing ring; 41, protruding block; 5, cavity; 6, fit gap. DETAILED DESCRIPTION

[0021] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0023] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0024] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0025] A type of air supply valve is installed on the pipeline, such as... Figure 1 Figure 2 As shown, it includes a front valve seat 1, a rear valve seat 2, a nozzle 3, and a sealing ring 4;

[0026] The front valve seat 1 and the rear valve seat 2 are connected end to end, forming a cavity 5 between them. The nozzle 3 enters the cavity 5 through the rear valve seat 2.

[0027] A sealing ring 4 is provided between the nozzle 3 and the wall; the front valve seat 1 is connected to the pipeline, and the nozzle 3 is connected to the gas source. Gas enters the pipeline through the nozzle 3, the inner cavity, and the front valve seat 1. The sealing ring 4 is made of elastic material.

[0028] Preferably, the nozzle 3 includes a fixing part 32 and an air inlet part 33 that are connected at both ends.

[0029] The fixing part 32 is connected to the rear valve seat 2. The circumferential surface of the air intake part 33 is provided with an air intake hole. The sealing ring 4 covers the circumferential surface of the air intake part 33, thereby blocking the air intake hole.

[0030] Preferably, the circumferential surface of the air inlet part 33 is provided with a groove 31 at the connection with the fixed part 32, and the inner side of the sealing ring 4 is provided with a protrusion 41 corresponding to the groove 31, so as to limit the relative position between the nozzle 3 and the sealing ring 4.

[0031] Preferably, the outer side of the sealing ring 4 is provided with two limiting protrusions, and the inner wall of the rear valve seat 2 is provided with limiting recesses corresponding to the limiting protrusions, so as to limit the sealing ring 4 and improve the sealing performance.

[0032] Preferably, the inner wall of the rear valve seat 2 is a conical surface, and the inner diameter of the rear valve seat 2 gradually increases from the rear valve seat 2 end to the front valve seat 1 end, so that one side of the sealing ring 4 is in close contact with the inner wall of the rear valve seat 2, and the other side has a cooperation gap 6 with the inner wall of the rear valve seat 2.

[0033] Preferably, during operation, air is supplied to the nozzle 3, and the air flow lifts the sealing ring 4 through the air inlet hole, so that there is an air inlet gap between the sealing ring 4 and the outer wall of the fixed part 32, and the air flow enters the pipeline through the front valve seat 1 to realize air supplement.

[0034] When there is no air supply, the sealing ring 4 always covers the air inlet part 33 of the nozzle 3, so as to avoid air leakage.

[0035] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A road call valve for installation on a pipeline, characterised in that: The front valve seat, the rear valve seat, the nozzle and the sealing ring are included. The front valve seat and the rear valve seat are connected in sequence, and a cavity is formed between the front valve seat and the rear valve seat, and the nozzle enters the cavity through the rear valve seat, The sealing ring is arranged between the nozzle and the wall body, the front valve seat is communicated with the pipeline, the nozzle is communicated with the gas source, and the gas enters the pipeline through the nozzle, the inner cavity and the front valve seat.

2. A roadside air supplement valve according to claim 1, characterized in that: The nozzle includes a fixed part and an air inlet part connected in sequence, The fixed part is connected with the rear valve seat, the circumferential surface of the air inlet part is provided with an air inlet hole, the sealing ring realizes the cladding of the circumferential surface of the air inlet part, and the air inlet hole is blocked.

3. A roadside air supplement valve according to claim 2, characterized in that: The connecting part of the circumferential surface of the air inlet part and the fixed part is provided with a groove, the inner side of the sealing ring is provided with a protrusion corresponding to the groove, and the relative limiting between the nozzle and the sealing ring is realized.

4. A roadside air supplement valve according to claim 2, characterized in that: The outer side of the sealing ring is provided with two limiting convex rings, and the inner wall of the rear valve seat is provided with limiting concave rings corresponding to the limiting convex rings, so that the limiting of the sealing ring is realized.

5. A roadside air supplement valve according to claim 4, characterized in that: The inner wall of the rear valve seat is a conical surface, the inner diameter of the rear valve seat gradually increases from the rear valve seat end to the front valve seat end, one side of the sealing ring is in close contact with the inner wall of the rear valve seat, and the other side of the sealing ring has a cooperation gap with the inner wall of the rear valve seat.

6. A roadside air supplement valve according to claim 4, characterized in that: Air is supplied to the nozzle, the air flow lifts up the sealing ring through the air inlet hole, so that there is an air inlet gap between the sealing ring and the outer wall of the fixed part, and then the air flow enters the pipeline through the front valve seat, so that the air is supplemented.

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