Pressing type pneumatic connector

Abstract

The utility model relates to the technical field of pneumatic connecting devices, in particular to a pressing type pneumatic connector. The long rod M thread valve element comprises a button and a long rod M thread valve element, the arc surface of the button is in sliding connection with a fixing buckle, the inner wall of the fixing buckle is in sliding connection with a lock catch, the arc surface of the lock catch is in sliding connection with a pressing ring, one side of the pressing ring is in sliding connection with a special-shaped sealing ring, and the arc surface of the lock catch is provided with a plastic part. The arc face of the long rod M threaded valve element is connected with a long rod valve element O-shaped sealing ring in a sliding mode, the arc face of the long rod M threaded valve element is sleeved with a spring and a valve body, and the inner wall of the valve body is connected with a valve element O-shaped sealing ring in a sliding mode. The problem that before the valve body is not used, dust or moisture easily enters a port of the valve body in an industrial environment or a humid environment, and then parts in the valve body are damaged is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic connection device technical field especially relates to a press formula pneumatic joint. BACKGROUND

[0002] The press formula pneumatic joint is a kind of connecting device for pneumatic system, mainly through the operation of pressing button to realize the quick connection and disconnection of air pipe, its inside usually contains a valve core structure, when the release button of joint is pressed, valve core opens, so that air pipe can be inserted or pulled out smoothly;After button is loosened, valve core restores original position under the action of spring or other elastic element, closes passage, guarantees the sealing property of pneumatic system, it is more extensive in industrial automation field, automobile manufacturing and maintenance industry and electronic equipment manufacturing industry etc.

[0003] For the above and existing related technologies, the inventor considers that the following defects often exist: when valve body is not used, in many industrial environments, there are a lot of dust, metal chips, fibers and other impurities in air, impurities can easily enter the inside of valve body, and then can affect normal work, when in some high humidity environment, moisture can also easily enter the inside of valve body, can cause metal parts to rust, corrosion, or make internal rubber sealing element etc. damp aging, reduce its sealing performance and service life etc.;Therefore, aiming at the above problems, a press formula pneumatic joint is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings that in prior art, dust or moisture can easily enter the port of valve body under industrial environment or damp environment before valve body is not used, and then cause damage to internal parts, and provides a press formula pneumatic joint.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a press formula pneumatic joint, including button and long rod M screw thread valve core, the circular arc surface of button is connected with fixed buckle slidingly, the inner wall of fixed buckle is connected with lock buckle slidingly, the circular arc surface of lock buckle is connected with compression ring slidingly, the side of compression ring is connected with special-shaped sealing ring slidingly, the circular arc surface of lock buckle is equipped with plastic piece, the circular arc surface of long rod M screw thread valve core is connected with long rod valve core O-shaped sealing ring slidingly, the circular arc surface of long rod M screw thread valve core is equipped with spring, the circular arc surface of long rod M screw thread valve core is equipped with valve body, the inner wall of valve body is connected with valve core O-shaped sealing ring slidingly, the circular arc surface of valve core O-shaped sealing ring is connected with valve core body slidingly, the inner wall of valve body is connected with protection plug slidingly.

[0006] The effect achieved by the above-mentioned components is that the port of the valve body is protected, and when the valve body is not in use, there are a lot of dust, metal chips, fibers and other impurities in the air in many industrial environments, which can easily enter the interior of the valve body and affect the normal work of the whole, and when in some high humidity environments, moisture can also easily enter the interior of the valve body, which may cause the metal parts to rust, corrode, or make the internal rubber sealing elements damp and age, reduce the sealing performance and service life, and improve the practicality of the device.

[0007] Preferably, the surface of the protective plug is fixedly connected with a U-shaped block.

[0008] The effect achieved by the above-mentioned components is that the U-shaped block is provided to facilitate the staff to pull the protective plug better, and the circular arc surface of the protective plug is not convenient to pull and has less leakage.

[0009] Preferably, the circular arc surface of the protective plug is fixedly connected with a soft pad, and the material of the soft pad is sponge.

[0010] The effect achieved by the above-mentioned components is that when the protective plug needs to be pulled out for use of the valve body, the sponge material soft pad will also be wiped and cleaned on the inner wall of the valve body during the pulling process to remove the dust or other impurities that have penetrated into the gap.

[0011] Preferably, the circular arc surface of the button is fixedly connected with four fixed plates, and the shape of the fixed plate is U-shaped.

[0012] The effect achieved by the above-mentioned components is that during actual operation, the staff may be in various postures and angles, and the shape of the fixed plate is U-shaped, so that the staff can put their fingers into the inner wall of the fixed plate for pressing, thereby achieving multi-directional pressing of the button and improving the convenience of operation.

[0013] Preferably, the circular arc surface of the fixed buckle is fixedly connected with four triangular blocks, and the lower surface of the fixed plate is provided with a triangular groove.

[0014] The effect achieved by the above-mentioned components is that when the staff needs to press the button, the fingers are placed in the inner wall of the fixed plate and pressed downward until the triangular groove of the fixed plate contacts and fits the triangular block, at which time it is not necessary to continuously press the button downward to confirm whether it is pressed in place, thereby improving the flexibility.

[0015] Preferably, the inner wall of the fixed plate is provided with a plurality of anti-skid protrusions, and the size of the triangular block is matched with the size of the triangular groove.

[0016] The effect achieved by the above-mentioned components is that the anti-skid protrusions can increase the friction between the fingers and the inner wall of the fixed plate, so that the fingers can more stably hold the fixed plate.

[0017] Therefore, the utility model has the advantages that:

[0018] In the utility model, the port of the valve body is protected, when the valve body is not used, there are a lot of dust, metal chips, fibers and other impurities in the air in many industrial environments, the impurities can easily enter the inside of the valve body, and then can affect the normal work of the whole, when in some environments with high humidity, the moisture can also easily enter the inside of the valve body, can cause the metal parts to rust, corrosion, or make the inside rubber sealing element etc. damp and age, reduce its sealing performance and service life etc. conditions, improve the practicality of the device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is the first explosion drawing of the utility model;

[0021] Figure 3 It is the second explosion drawing of the utility model;

[0022] Figure 4 It is the sectional view of the button in the utility model;

[0023] Figure 5 It is the structure schematic view of the protective plug in the utility model;

[0024] Figure 6 It is the structure schematic view of the protective plug in the utility model; Figure 1

[0025] Figure 7 It is the structure schematic view of the fixed plate in the utility model.

[0026] Legend: 1, button; 2, fixed buckle; 3, lock buckle; 4, compression ring; 5, special-shaped sealing ring; 6, plastic part; 7, long rod M threaded valve core; 8, long rod valve core O-shaped sealing ring; 9, spring; 10, valve body; 11, valve core O-shaped sealing ring; 12, valve core body; 13, protective plug; 14, U-shaped block; 15, soft pad; 16, fixed plate; 17, triangular block; 18, triangular groove; 19, anti-skid convex point. DETAILED DESCRIPTION

[0027] Refer to Figures 1-7 ​The utility model provides a technical scheme: a press type pneumatic joint, including button 1 and long rod M screw thread valve core 7, the circular surface sliding connection of button 1 has fixed buckle 2, the inner wall sliding connection of fixed buckle 2 has lock catch 3, the circular surface sliding connection of lock catch 3 has compression ring 4, the one side sliding connection of compression ring 4 has special-shaped sealing ring 5, the circular surface of lock catch 3 is equipped with plastic piece 6, the circular surface sliding connection of long rod M screw thread valve core 7 has long rod valve core O type sealing ring 8, the circular surface of long rod M screw thread valve core 7 is covered with spring 9, the circular surface of long rod M screw thread valve core 7 is covered with valve body 10, the inner wall sliding connection of valve body 10 has valve core O type sealing ring 11, the circular surface sliding connection of valve core O type sealing ring 11 has valve core body 12, the inner wall sliding connection of valve body 10 has protective plug 13, reached the effect of the port of valve body 10 is protected, when valve body 10 is not used, in many industrial environments, there are a lot of dust, metal chips, fibers and other impurities in the air, impurities can easily enter the inside of valve body 10, and then can affect the normal work of the whole, when in some high humidity environment, moisture can also easily enter the inside of valve body 10, can cause metal parts to rust, corrosion, or make the inside rubber sealing element etc. damp aging, reduce its sealing performance and service life etc. situation, improve the practicability of device, the surface fixed connection of protective plug 13 has U-shaped block 14, by setting U-shaped block 14, to facilitate the staff better pull protective plug 13, the circular surface of protective plug 13 is not convenient to pull, and the part of leakage is less, the circular surface fixed connection of protective plug 13 has soft pad 15, the material of soft pad 15 is sponge, when needing to pull out protective plug 13 and use valve body 10, in the process of pulling out, protective plug 13 also drives the soft pad 15 of sponge material to wipe and clean the dust or other impurities that drill into the gap in the inner wall of valve body 10, the circular surface fixed connection of button 1 has four fixed plates 16, the shape of fixed plate 16 is U-shaped, in the process of actual operation, staff can be in various different postures and angles, set the shape of fixed plate 16 as U-shaped, so that staff can put fingers into the inner wall of fixed plate 16 in the appropriate position and press, so as to reach multidirectional press button 1, improve the convenience of operation, the circular surface fixed connection of fixed buckle 2 has four triangular blocks 17, the lower surface of fixed plate 16 is provided with triangular groove 18, when staff need to press button 1, put fingers in the inner wall of fixed plate 16 and press downward until fixed plate 16 triangular groove 18 and triangular block 17 contact and fit, at this time, do not need to press button 1 downward continuously to confirm whether to press in place, improve its flexibility, the inner wall of fixed plate 16 is equipped with a plurality of anti-skid convex points 19, the size of triangular block 17 and the size of triangular groove 18 are adapted, anti-skid convex point 19 can increase the friction between the fingers and the inner wall of fixed plate 16, so that the fingers can more stably hold fixed plate 16.

[0028] The working principle is that when the worker needs to protect the port of the valve body 10 in advance, the U-shaped block 14 is pushed to drive the protection plug 13 to slide on the inner wall of the valve body 10, the protection plug 13 drives the soft pad 15 to slide, and the soft pad 15 can wipe and absorb the dust or water vapor in the inner wall of the valve body 10 until it cannot slide against the inner wall; when the valve body 10 needs to be used, the U-shaped block 14 is pulled to drive the protection plug 13 to slide outwards on the inner wall of the valve body 10, and the soft pad 15 continues to wipe and absorb the dust or water vapor in the inner wall of the valve body 10 until the soft pad 15 is away from the inner wall of the valve body 10; when the worker needs to press the button 1, the finger can be placed on the inner wall of the fixed plate 16, the fixed plate 16 is pressed to drive the button 1 to move downwards until the triangular groove 18 on the fixed plate 16 is in contact with the triangular block 17, and then the pressing is in place, and the protection effect of the port of the valve body 10 is achieved; when the valve body 10 is not used, in many industrial environments, there are a large amount of dust, metal chips, fibers and other impurities in the air, and the impurities can easily enter the inside of the valve body 10, thereby affecting the normal work of the whole body; when in some environments with high humidity, moisture can also easily enter the inside of the valve body 10, which can cause the metal parts to rust and corrode, or make the internal rubber sealing element damp and age, reduce the sealing performance and service life, and improve the practicability of the device.

[0029] In the description of the present application, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A push-button pneumatic connector, comprising a button (1) and a long-rod M-threaded valve core (7), characterized in that: The button (1) has a fixed buckle (2) slidably connected to its arc surface. The inner wall of the fixed buckle (2) has a lock buckle (3) slidably connected to its inner wall. The lock buckle (3) has a pressure ring (4) slidably connected to its arc surface. A special-shaped sealing ring (5) is slidably connected to one side of the pressure ring (4). A plastic part (6) is installed on the arc surface of the lock buckle (3). The long rod M-thread valve core (7) has a long rod valve core O-ring (8) slidably connected to its arc surface. A spring (9) is fitted on the arc surface of the long rod M-thread valve core (7). A valve body (10) is fitted on the arc surface of the long rod M-thread valve core (7). A valve core O-ring (11) is slidably connected to the inner wall of the valve body (10). A valve core body (12) is slidably connected to the arc surface of the valve core O-ring (11). A protective plug (13) is slidably connected to the inner wall of the valve body (10).

2. The push-button pneumatic connector according to claim 1, characterized in that: The surface of the protective plug (13) is fixedly connected to a U-shaped block (14).

3. A press-type pneumatic connector according to claim 1, characterized in that: The protective plug (13) has a soft pad (15) fixedly connected to its arc surface. The soft pad (15) is made of sponge.

4. A press-type pneumatic connector according to claim 1, characterized in that: The button (1) has four fixing plates (16) fixedly connected to its arc surface. The fixing plates (16) are U-shaped.

5. A press-type pneumatic connector according to claim 4, characterized in that: The arc surface of the fixing buckle (2) is fixedly connected with four triangular blocks (17), and the lower surface of the fixing plate (16) is provided with a triangular groove (18).

6. A press-type pneumatic connector according to claim 5, characterized in that: The inner wall of the fixing plate (16) is provided with several anti-slip protrusions (19), and the size of the triangular block (17) is adapted to the size of the triangular groove (18).

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