Connecting device capable of being quickly disassembled and assembled

Abstract

The utility model relates to a connecting device capable of being quickly disassembled and assembled. A step is arranged on the inner side of the end part of the outer joint; the annular boss is fixedly mounted at the end part of the inner joint; the buckling assembly comprises a plurality of buckling pieces which are uniformly distributed and connected to the outer joint in the circumferential direction, the root parts of the buckling pieces are connected with the outer joint, and the end parts of the buckling pieces are inwards contracted towards the inner side of the outer joint and outwards bent and extend to form corresponding driving handles; the annular boss is fixed in a front-back limiting mode through cooperation of the step of the outer connector and the buckling piece, and the inner connector and the outer connector are fixed in an inserted mode. When all the driving handles are synchronously pressed inwards in the radial direction, the end of the buckling piece moves outwards in the radial direction to form receding, the inner connector can be pulled outwards to be separated from connection of the outer connector, and the buckling piece has the movement tendency of elastically swinging inwards to reset. And when the pressing force is withdrawn, the buckling piece swings inwards and resets under the elastic acting force of the buckling piece. According to the utility model, the operation convenience and speed of bidirectional quick disassembly and assembly are realized, the structure is simplified, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe fitting connecting device technical field, specifically point to a kind of quick-release quick-mounting connecting device. BACKGROUND

[0002] Existing equipment, instrument or electric appliance etc. need corresponding pipeline for conveying medium, and need corresponding connecting device or pipe fitting joint for connecting two sections of pipeline, to connect device or extend pipeline. Traditionally, connecting device or pipe fitting joint includes inner joint and outer joint respectively sealed connecting corresponding pipeline, inner and outer joint are connected by thread screwing mode for quick connection. However, thread screwing mode needs to form rotation between inner and outer joint, which can easily lead to pipeline winding.

[0003] Various quick connectors appear on the market, which can quickly connect two pipelines without rotating the pipeline, but generally can only achieve one-way quick installation or one-way quick disassembly. Therefore, at present, efforts are being made to research and realize the connecting device of bidirectional disassembly and quick operation, but the existing bidirectional quick disassembly connecting device is relatively complex in structure, which leads to more complicated production process and cannot reduce product production cost.

[0004] Therefore, the research purpose of the utility model is to design a quick-release quick-mounting connecting device, which further realizes the operation convenience and rate of bidirectional quick disassembly, simplifies the structure and reduces the cost. UTILITY MODEL CONTENTS

[0005] In view of the technical problems existing in the prior art, the utility model provides a quick-release quick-mounting connecting device, which can effectively solve the technical problems existing in the prior art.

[0006] The technical scheme of the utility model is:

[0007] A quick-release quick-mounting connecting device, comprising:

[0008] Inner joint;

[0009] Outer joint, for quick disassembly of two pipe fittings by mutual insertion with the inner joint, the end inside of the outer joint is provided with corresponding terrace;

[0010] Annular boss, fixedly installed at the end of the inner joint, and its diameter is greater than the outer diameter of the inner joint;

[0011] The buckle connecting assembly comprises a plurality of buckle members arranged on the outer connector in a circumferential direction, the root of the buckle member is connected with the outer connector, the end of the buckle member is inwardly recessed and outwardly bent to form a corresponding driving handle, the annular boss is limited and fixed by the step of the outer connector and the buckle member, the inner connector and the outer connector are inserted and fixed, when all the driving handles are pressed synchronously and radially inwardly, the end of the buckle member is radially outwardly moved to form a gap, the inner connector can be pulled outwardly to be separated from the outer connector, the buckle member has a movement tendency of being elastically inwardly swung back, and the buckle member is elastically inwardly swung back when the pressing force is removed.

[0012] The end of the inner connector and the outer connector which are not connected is respectively connected with a corresponding pipe.

[0013] At least one groove is arranged on the outer side of the annular boss of the inner connector, and a corresponding sealing ring is detachably arranged on the groove, or at least one corresponding sealing ring is arranged on the inner side of the step of the outer connector, when the inner connector is inserted into the outer connector, the sealing ring is arranged in an extruded manner to seal the inner connector and the outer connector.

[0014] The annular boss is detachably or integrally arranged on the inner connector, the side of the detachable annular boss is provided with a groove penetrating the upper and lower ends, and the inner connector is inwardly recessed at the end connected with the outer connector and is provided with an annular groove for arranging the annular boss, the annular boss is detachably buckled into the annular groove of the inner connector by spreading the grooves on the two sides of the annular boss.

[0015] The annular boss comprises a boss part arranged on the outer end and an arranging part arranged on the inner end, the arc inner diameter formed by the end of all the buckle members is smaller than the diameter of the annular boss, and the inner side wall of the end of the buckle member abuts or is pressed against the side wall of the arranging part of the annular boss when the inner connector and the outer connector are inserted into each other.

[0016] The driving handle and the buckle member are integrally arranged in a V-shaped structure, the end of the driving handle is outwardly extended and arranged on the outer side of the outer connector and is horizontally spaced apart from the outer side wall of the outer connector, the inner side wall of the buckle member is gradually inwardly inclined to form an inclined surface from the root to the end of the buckle member, and the thickness of the root is smaller than that of the rest part.

[0017] The utility model discloses the advantages of the following:

[0018] 1) The utility model discloses a structure is simple, and the operation is convenient, and the cost is lower, and the inner joint and the outer joint are fixedly connected through the step cooperation of the step of the outer joint and the annular boss of the inner joint, and the inner joint is separated from the outer joint through the synchronous pressing of the driving handle, thereby realizing the two-way quick disassembly of the inner joint and the outer joint, further realizing the two-way quick disassembly of the two pipelines, and the inner joint and the outer joint connection mechanism structure is more simple, and the operation is more convenient, and the cost is more low.

[0019] 2) When the inner joint and the outer joint are mutually inserted and installed, only need to insert the inner joint into the outer joint, and the annular boss will push the inner joint radially outward along the inclined surface of the buckling piece, and the inner joint continues to move inward until the annular boss abuts against the step, and the end of the buckling piece is reset and moved inward under the elastic action of itself, and the annular boss is fixed and limited in front and back through the cooperation of the step, thereby quickly and fixedly connecting the inner joint and the outer joint.

[0020] 3) When the inner joint and the outer joint are disassembled, only need to press the driving handle inward synchronously, and drive the buckling piece connected with the driving handle to swing outward to form a gap, and the inner joint can be conveniently separated from the connection of the outer joint. The driving handle and the buckling piece are arranged by using the lever principle, which is simple in structure and easy to realize, and the driving mode is simple and convenient, and the action is light and labor-saving. And when disassembling, all the driving handles arranged in a ring shape must be pressed inward synchronously, so that all the buckling pieces move outward to withdraw from the fixing of the annular boss, and the installation mode and the structure of the buckling piece make it have elasticity, so that even if part of the buckling piece is touched, it can be reset and clamped under the action of the elastic force, thereby ensuring the stability of the connection of the inner joint and the outer joint and improving the practical effect of the utility model.

[0021] 4) The inner side wall of the buckling piece is gradually inclined inward from the root to the end to form an inclined surface, thereby facilitating the outward movement of the buckling piece to form a gap when the inner joint is inserted, and the thickness of the root of the buckling piece connected with the outer joint is thinner than other parts, so that the buckling piece will be elastically deformed when the driving handle is pressed, and the position of the buckling piece is higher than the connection part of the buckling piece and the outer joint, so that the inner side of the buckling piece moves outward radially when pressed inward, thereby realizing quick disassembly. DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model.

[0023] Figure 2 It is Figure 1The exploded schematic view of the pipe joint.

[0024] Figure 3 The section view of the pipe joint when the outer joint and the inner joint are not connected.

[0025] Figure 4 The section view of the pipe joint. Figure 1

[0026] Figure 5 The state schematic view of the pipe joint when the pipe joint is disassembled.

[0027] Figure 6 The schematic view of the second embodiment of the pipe joint.

[0028] Figure 7 The section view of the second embodiment of the pipe joint when the pipe joint is installed.

[0029] In the drawings: the inner joint 1, the annular groove 101, the recess 102, the outer joint 2, the step 201, the annular boss 3, the boss part 301, the mounting part 302, the groove body 303, the buckle assembly 4, the buckle part 401, the driving handle 402, the sealing ring 5. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of those skilled in the art, the structure of the present application will be further described in detail in combination with the drawings:

[0031] Embodiment one

[0032] Referring to Figures 1-5 A quick-release quick-assembly connecting device, comprising:

[0033] The inner joint 1;

[0034] The outer joint 2 is used for quickly disassembling two pipe fittings by being inserted with the inner joint 1, and the end inside of the outer joint 2 is provided with a corresponding step 201;

[0035] The annular boss 3 is fixedly installed at the end of the inner joint 1, and the diameter of the annular boss 3 is greater than the outer diameter of the inner joint 1;

[0036] ​The buckle connecting assembly 4 comprises a plurality of buckle connecting pieces 401 arranged on the outer connector 2 in a circumferential uniform manner, the root of the buckle connecting piece 401 is connected with the outer connector 2, the end thereof is inwardly retracted and outwardly bent and extended to form a corresponding driving handle 402; the annular boss 3 is fixed by the step 201 of the outer connector 2 and the buckle connecting piece 401 in cooperation with each other, the inner connector 1 and the outer connector 2 are inserted and fixed; when all the driving handles 402 are synchronously pressed radially inwardly, the end of the buckle connecting piece 401 is radially moved outwardly to form a position for the inner connector 1 to be pulled out of the outer connector 2, the buckle connecting piece 401 has a movement tendency of being elastically swung inwardly to reset; when the pressing force is removed, the buckle connecting piece 401 is swung inwardly to reset under the elastic force of itself.

[0037] The inner connector 1 and the outer connector 2 are optimized and improved, a plurality of buckle connecting pieces 401 are arranged on the outer connector 2 in a circumferential uniform manner, the driving handle 402 is formed by the outward bending and extension of the buckle connecting piece 401, the annular boss 3 is fixed by the cooperation of the buckle connecting piece 401 and the step 201 of the outer connector 2, and the inner and outer connectors are fixedly connected; the buckle connecting piece 401 is radially moved outwardly by synchronously pressing the driving handle 402, the inner connector 1 is separated from the outer connector 2, thereby effectively realizing the bidirectional quick disassembly of the inner and outer connectors, further realizing the bidirectional quick disassembly of the two pipelines, and the inner and outer connector connecting mechanism is more simple in structure, more convenient in operation and more low in cost.

[0038] When the inner and outer connectors are inserted and installed, the inner connector 1 is inserted into the outer connector 2, the annular boss 3 pushes the retracted buckle connector radially outwardly along the inclined surface of the buckle connecting piece 401, the inner connector 1 continues to move inwardly until the annular boss 3 abuts against the step 201, the end of the buckle connecting piece 401 is reset and moved inwardly under the elastic force of itself, the annular boss 3 is fixed by the cooperation of the step 201, and the inner and outer connectors are quickly and fixedly connected.

[0039] When the inner and outer connectors are disassembled, only need to press the driving handle 402 synchronously inward, drive the buckle piece 401 connected with the driving handle 402 to swing outward to form a gap, and the inner connector 1 can be conveniently separated from the connection of the outer connector 2. The connection driving handle 402 and the buckle piece 401 are arranged by using the lever principle, which is simple in structure and easy to realize, and the driving mode is simple and convenient, and the action is light and labor-saving. Moreover, when disassembling, all the driving handles 402 arranged in a ring shape must be pressed synchronously inward, so that all the buckle pieces 401 move outward to withdraw from the fixing of the annular boss 3, and the installation mode and the structure of the buckle piece 401 make it have elasticity, so that even if part of the buckle piece 401 is touched, it can be reset and buckled tightly under the action of its own elastic force, thereby ensuring the stability of the connection of the inner and outer connectors and improving the practical effect of the utility model.

[0040] The end part of the inner connector 1 and the outer connector 2 not connected with each other is sealedly connected with the corresponding pipe.

[0041] The outer side of the annular boss 3 on the inner connector 1 is detachably provided with a corresponding sealing ring 5 through at least one groove 102, or at least one corresponding sealing ring 5 is arranged on the inner side of the step 201 of the outer connector 2; when the inner connector 1 is inserted into the outer connector 2, the sealing ring 5 is arranged in an extruded manner to seal the connection between the inner connector 1 and the outer connector 2.

[0042] The annular boss 3 is detachably fixedly arranged on the inner connector 1, and the side of the detachably connected annular boss 3 is provided with a groove 303 penetrating the upper and lower ends thereof, and the end part of the inner connector 1 located opposite to the outer connector 2 is inwardly recessed and provided with an annular groove 101 for arranging the annular boss 3; the annular boss 3 is detachably buckled into the annular groove 101 of the inner connector 1 by spreading the grooves 303 on both sides of the annular boss 3.

[0043] The annular boss 3 comprises a boss part 301 arranged at the outer end and an arranging part 302 arranged at the inner end, and the arc inner diameter of the end part of all the buckle pieces 401 is smaller than the diameter of the annular boss 3; when the inner connector 1 and the outer connector 2 are inserted into each other, the inner side wall of the end part of the buckle piece 401 abuts or is pressed against the side wall of the arranging part 302 of the annular boss 3.

[0044] The driving handle 402 and the buckle piece 401 are integrally formed and arranged in a V-shaped structure, the end part of the driving handle 402 extends outward and is arranged on the outer side of the outer connector 2 and is horizontally spaced apart from the outer side wall of the outer connector 2; the inner side wall of the buckle piece 401 gradually inclines inward from the root part to the end part to form an inclined surface, and the thickness of the root part is thinner than that of the rest part.

[0045] The inner side wall of the buckling piece 401 is gradually inclined inward from the root to the end to form an inclined surface, thereby facilitating the direct pushing of the buckling piece 401 outward to form a gap when the inner joint 1 is inserted; and the thickness of the root of the buckling piece 401 connected with the outer joint 2 is thinner than other parts, so that the buckling piece 401 will be elastically deformed when the pressing driving handle 402 is pressed; and since the position of the buckling piece 401 is higher than the connection between the buckling piece 401 and the outer joint 2, when pressed inward, the entire buckling piece 401 takes the connection as a fulcrum, the inner side of the buckling piece 401 moves outward in the radial direction, and quick disassembly is achieved.

[0046] Embodiment two

[0047] Reference Figures 6-7 The difference between the embodiment and the embodiment one is that the annular boss 3 is integrally formed and fixedly installed on the inner joint 1.

[0048] It should be pointed out that the embodiment and the embodiment one have the same implementation principle and technical effects, and for brief description, the places not mentioned in the embodiment can refer to the corresponding contents in the embodiment one.

[0049] The above is only the preferred embodiment of the utility model, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the utility model, and these improvements and refinements should also be regarded as the protection range of the utility model.

Claims

1. A quick release quick connect device, characterized in that, The utility model relates to a quick joint for two pipe fittings, comprising: an inner joint (1); an outer joint (2) for quick dismounting and mounting the two pipe fittings by mutual insertion with the inner joint (1), the inner side of the end of the outer joint (2) is provided with a corresponding step (201); a ring-shaped boss (3) fixedly installed at the end of the inner joint (1) and having a diameter greater than the outer diameter of the inner joint (1); a buckle assembly (4) comprising a plurality of circumferentially distributed buckle members (401) connected to the outer joint (2), the root of the buckle member (401) is connected to the outer joint (2), the end thereof is inwardly retracted and outwardly bent to form a corresponding driving handle (402); the ring-shaped boss (3) is fixed by the step (201) of the outer joint (2) and the buckle member (401) in cooperation with each other, the inner joint (1) and the outer joint (2) are inserted and fixed; when all the driving handles (402) are synchronously pressed radially inward, the end of the buckle member (401) is radially outwardly displaced to form a clearance, the inner joint (1) can be pulled outwardly to disengage the connection with the outer joint (2), the buckle member (401) has a movement tendency of elastically swinging back to the original position; when the pressing force is removed, the buckle member (401) swings back to the original position under the elastic force of itself.

2. The quick release and quick attach coupling device of claim 1, wherein, The ends of the inner joint (1) and the outer joint (2) not connected with each other are respectively sealingly connected with corresponding pipe fittings.

3. The quick release and quick attach coupling device of claim 1, wherein, At least one groove (102) is formed on the outer side of the ring-shaped boss (3) of the inner joint (1) for detachably installing a corresponding sealing ring (5), or at least one corresponding sealing ring (5) is installed on the inner side of the step (201) of the outer joint (2); when the inner joint (1) is inserted into the outer joint (2), the sealing ring (5) is arranged in an extruded manner to sealingly connect the inner joint (1) and the outer joint (2).

4. The quick release and quick attach coupling device of claim 1, wherein, The ring-shaped boss (3) is detachably or integrally fixedly installed on the inner joint (1), the side of the detachable ring-shaped boss (3) is provided with a slot (303) penetrating through the upper and lower ends thereof, the inner joint (1) is inwardly recessed at the end thereof connected with the outer joint (2) to form a ring-shaped groove (101) for installing the ring-shaped boss (3); the ring-shaped boss (3) is detachably buckled into the ring-shaped groove (101) of the inner joint (1) by spreading the slots (303) on both sides of the ring-shaped boss (3).

5. The quick release and quick attach coupling device of claim 1, wherein, The ring-shaped boss (3) comprises a boss portion (301) arranged at the outer end and an installation portion (302) arranged at the inner end, the inner diameter of the circular arc formed by the end of each buckle member (401) is smaller than the diameter of the ring-shaped boss (3); when the inner joint (1) is inserted into the outer joint (2), the inner side wall of the end of the buckle member (401) abuts or is pressed against the side wall of the installation portion (302) of the ring-shaped boss (3).

6. The quick release and quick attach coupling device of claim 1, wherein, The driving handle (402) is integrally arranged with the buckle (401) and has a V-shaped structure, the end of the driving handle (402) extends outward and is arranged on the outside of the outer connector (2) and horizontally spaced from the outside wall of the outer connector (2); the inner wall of the buckle (401) gradually inclines inward from the root to the end to form an inclined surface, and the thickness of the root is thinner than the rest.

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