Valve body sealing connection structure for air dryer

Abstract

The utility model discloses a valve body sealing connecting structure for an air dryer, which relates to the technical field of air dryer connection and comprises an air dryer connecting pipe, a positioning seat and an external connecting pipe, the positioning seat is mounted on the outer wall of the air dryer connecting pipe, and a bump is mounted on the outer wall of the positioning seat. A sealing groove is formed in the top end of the positioning seat, the inner wall of the air dryer connecting pipe is matched with the outer wall of the external connecting pipe, an inserting groove is formed in the outer wall of the external connecting pipe, and an inner side sealing ring matched with the inner wall of the positioning seat is installed at the bottom end of the external connecting pipe. The device is provided with an extrusion block for extruding a triangular block, and then the triangular block drives an insertion block to be inserted into an insertion groove, so that an external connection pipe and an air dryer connection pipe are quickly clamped, mounted and fixed, and the air dryer connection pipe can be quickly connected and disassembled conveniently; and the test convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air dryer connecting technical field, concretely is a valve body sealing connection structure for air dryer. BACKGROUND

[0002] The air dryer of the locomotive is used to provide clean compressed dry air for the locomotive.

[0003] Two drying towers are contained in the air dryer of the tower.

[0004] However, the valve body sealing connection structure for the air dryer has the following problems in the process of use: the traditional valve body connection mode needs, so that the operator needs a lot of time to install and fix, so that the work efficiency is not high. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a valve body sealing connection structure for air dryer to solve the problems in the above background.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a valve body sealing connection structure for air dryer, including air dryer connecting pipe, positioning seat and external connecting pipe, the outer wall of air dryer connecting pipe is installed with positioning seat, and the outer wall of positioning seat is installed with lug, the top of positioning seat is equipped with sealing groove, the inner wall of air dryer connecting pipe is matched with the outer wall of external connecting pipe, the outer wall of external connecting pipe is equipped with insertion slot, the bottom of external connecting pipe is installed with the inner side sealing ring matched with the inner wall of positioning seat, and the outer wall of inner side sealing ring is provided with the outer layer sealing ring matched with the inner wall of sealing groove, the outer wall of positioning seat is provided with mounting mechanism for quickly fixing the position of external connecting pipe.

[0007] The valve body sealing connection structure for air dryer provided by the technical scheme includes elastic positioning block and triangular block, the top of positioning seat is installed with elastic positioning block, and the outer wall of elastic positioning block is installed with triangular block, the inner wall of elastic positioning block is installed with the insertion block matched with the inner wall of insertion slot.

[0008] The valve body sealing connection structure for air dryer provided by the technical scheme, the outer wall of positioning seat is provided with extrusion block, and the extrusion block is connected with triangular block by screw thread.

[0009] The valve body sealing connection structure for air dryer provided by the technical scheme, the inner wall of inner side sealing ring is provided with arc sealing ball.

[0010] The valve body sealing connection structure for the air dryer has the following beneficial effects compared with the prior art:

[0011] The valve body sealing connection structure for the air dryer has the following beneficial effects compared with the prior art:

[0012] 1、The outer wall of the extrusion block is engaged with the triangular block, so that the triangular block is extruded by the extrusion block, and then the triangular block drives the plug block to be inserted into the insertion slot, so that the external connecting pipe and the air dryer connecting pipe are quickly clamped, installed and fixed.

[0013] 2、The outer connecting pipe position is inserted into the positioning seat and tightly fits the air dryer connecting pipe, so that the outer sealing ring is inserted into the sealing groove, and then the arc-shaped sealing ball at the outer sealing ring position tightly fits the arc-shaped sealing pad in the sealing groove, so that the external connecting pipe and the air dryer connecting pipe position are sealed and fixed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view of the structure of the utility model;

[0015] Figure 2 It is a front view of the structure of the utility model;

[0016] Figure 3 It is a front view of the structure of the utility model; Figure 1 It is an enlarged structure schematic view of A of the utility model;

[0017] Figure 4 It is a bottom view of the air dryer connecting pipe and the extrusion block of the utility model.

[0018] In the figure: 1, air dryer connecting pipe; 2, positioning seat; 3, external connecting pipe; 4, insertion slot; 5, outer sealing ring; 6, inner sealing ring; 7, protruding block; 8, elastic positioning block; 9, triangular block; 10, sealing groove; 11, extrusion block; 12, plug block; 13, arc-shaped sealing ball. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] As shown in Figures 1-2 The utility model provides a valve body sealing connection structure for air dryer, including air dryer connecting pipe 1, positioning seat 2 and outer connection pipe 3, the outer wall of air dryer connecting pipe 1 is installed with positioning seat 2, and the outer wall of positioning seat 2 is installed with lug 7, the top of positioning seat 2 is equipped with sealing groove 10, the inner wall of air dryer connecting pipe 1 is adapted with the outer wall of outer connection pipe 3, the outer wall of outer connection pipe 3 is equipped with slot 4, the bottom of outer connection pipe 3 is installed with the inner side sealing ring 6 of the inner wall adaptation of positioning seat 2, and the outer wall of inner side sealing ring 6 is provided with the outer layer sealing ring 5 of the inner wall adaptation of sealing groove 10, the inner wall of inner side sealing ring 6 is provided with arc sealing ball 13, the inner wall of sealing groove 10 is provided with arc sealing pad, and arc sealing pad and the outer wall of arc sealing ball 13 are closely combined, through the inner side sealing ring 6 of outer connection pipe 3 position insertion positioning seat 2 and air dryer connecting pipe 1 place closely combined, so that the outer layer sealing ring 5 position inserts sealing groove 10, and then the arc sealing ball 13 of outer layer sealing ring 5 place and the arc sealing pad in sealing groove 10 are closely combined, the outer connection pipe 3 and air dryer connecting pipe 1 position sealing fixedly are convenient.

[0021] As shown in Figures 1-4 The utility model provides a valve body sealing connection structure for air dryer, including the installation mechanism for the quick fixing of outer connection pipe 3 position of positioning seat 2 outer wall, the installation mechanism includes elastic positioning block 8 and triangular block 9, the top of positioning seat 2 is installed with elastic positioning block 8, and the outer wall of elastic positioning block 8 is installed with triangular block 9, the inner wall of elastic positioning block 8 is installed with the plug 12 of the inner wall adaptation of slot 4, the outer wall of positioning seat 2 is provided with extrusion block 11, and extrusion block 11 and triangular block 9 adopt threaded connection, by rotating the outer wall of extrusion block 11 and triangular block 9 is engaged, so that extrusion block 11 extrudes triangular block 9, and then triangular block 9 drives plug 12 to insert slot 4, so that outer connection pipe 3 and air dryer connecting pipe 1 place quick snap-fit installation fixed.

[0022] Working principle: First, turn on the external power supply. The operator can insert the air dryer connecting pipe 1 into the external connecting pipe 3, so that the inner sealing ring 6 at the position of the external connecting pipe 3 is inserted into the positioning seat 2 and fits tightly with the air dryer connecting pipe 1, so that the outer sealing ring 5 is inserted into the sealing groove 10, and then the arc-shaped sealing ball 13 at the outer sealing ring 5 is tightly fitted with the arc-shaped sealing gasket in the sealing groove 10, which is convenient for sealing and fixing the external connecting pipe 3 and the air dryer connecting pipe 1. Then, by rotating the extrusion block 11 to engage with the outer wall of the triangular block 9, the extrusion block 11 squeezes the triangular block 9, and then the triangular block 9 drives the insert block 12 to be inserted into the slot 4, so that the external connecting pipe 3 and the air dryer connecting pipe 1 are quickly engaged and fixed. This structure facilitates quick connection and disassembly of the air dryer connecting pipe 1, thereby improving the convenience of testing.

[0023] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Simple modifications or equivalent replacements of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A valve body sealing connection structure for an air dryer, comprising an air dryer connection pipe (1), a positioning seat (2) and an external connection pipe (3), characterized in that: The outer wall of the air dryer connecting pipe (1) is installed with a positioning seat (2), and the outer wall of the positioning seat (2) is installed with a protrusion (7), the top of the positioning seat (2) is provided with a sealing groove (10), the inner wall of the air dryer connecting pipe (1) is adapted to the outer wall of the external connecting pipe (3), the outer wall of the external connecting pipe (3) is provided with a slot (4), the bottom end of the external connecting pipe (3) is installed with an inner sealing ring (6) adapted to the inner wall of the positioning seat (2), and the outer wall of the inner sealing ring (6) is provided with an outer sealing ring (5) adapted to the inner wall of the sealing groove (10), and the outer wall of the positioning seat (2) is provided with a mounting mechanism for quickly fixing the position of the external connecting pipe (3).

2. The valve body seal connection structure for an air dryer according to claim 1, characterized by: The mounting mechanism comprises an elastic positioning block (8) and a triangular block (9); the top of the positioning seat (2) is mounted with the elastic positioning block (8), the outer wall of the elastic positioning block (8) is mounted with the triangular block (9), and the inner wall of the elastic positioning block (8) is mounted with an insert block (12) adapted to the inner wall of the slot (4).

3. The valve body seal connection structure for an air dryer according to claim 1, characterized by: An extrusion block (11) is provided on the outer wall of the positioning seat (2), and the extrusion block (11) is connected to the triangular block (9) by means of threads.

4. The valve body seal connection structure for an air dryer according to claim 1, characterized by: An arc-shaped sealing ball (13) is provided on the inner wall of the inner sealing ring (6).

5. The valve body seal connection structure for an air dryer according to claim 4, characterized by: An arc-shaped sealing gasket is provided on the inner wall of the sealing groove (10), and the arc-shaped sealing gasket is tightly fitted to the outer wall of the arc-shaped sealing ball (13).

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