Quick connector loosening and pressing device

Abstract

The utility model discloses a quick connector loosening and pressing device, which relates to the technical field of quick connector installation, and comprises a connecting pipe, the left end part of the connecting pipe is provided with a fixed connecting pipe, the right end part of the connecting pipe is provided with an insertion connecting pipe, and the outer surface side of the fixed connecting pipe is fixedly connected with a quick connector. The connecting pipe can be inserted into the connecting pipe to be matched with the quick connectors of other connecting pipes to be connected with the fixed connecting pipe. According to the utility model, the negative pole magnet ring and the positive pole magnet ring can be quickly aligned and preliminarily connected through the attraction force of the magnets of the negative pole magnet ring and the positive pole magnet ring, and meanwhile, the fixing assembly is triggered to mechanically fix the fixing groove, so that additional locking force can be provided, the joint is prevented from accidentally loosening in the working process, and the connection effect is improved; and through a guide groove, a compensation spring and a compensation piston, tight connection between the fixing pipe body and the connector body can be maintained, and the connection stability of the loosening and pressing device to the pipeline is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to quick connector installation technical field, concretely is a quick connector loosening and pressure tight device. BACKGROUND

[0002] Quick connector is a device used for pipeline connection, which can realize quick connection and disconnection of pipeline. The quick connector is usually composed of a male connector and a female connector. When the male connector is inserted into the female connector, the quick connection is realized through the internal sealing structure and locking mechanism to ensure the sealing of the connection and prevent fluid leakage. When the connection is disconnected, the male connector and the female connector can be easily separated through a specific operation mode.

[0003] The existing technology has the following problems:

[0004] In various application scenarios, the quick connector may be affected by vibration, external force pulling, etc., causing the connector to accidentally loosen during operation, resulting in fluid leakage, equipment damage, even safety accidents, reducing the effect of connection, and when the fluid pressure in the pipeline fluctuates, the ordinary quick connector cannot effectively resist the influence of pressure change, and excessive pressure may cause pipeline rupture and other damage, which cannot guarantee the stable operation of the system and has low stability. INVENTION CONTENTS

[0005] The utility model provides a quick connector loosening and pressure tight device to solve the problem raised in the above background.

[0006] To solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A quick connector loosening and pressure tight device, comprising a connecting pipe, the left end of the connecting pipe is provided with a fixed connecting pipe, the right end of the connecting pipe is provided with an insertion connecting pipe, the outer surface of the fixed connecting pipe is fixedly connected with a quick connector, and the insertion connecting pipe can be connected with the fixed connecting pipe of the quick connector of another connecting pipe.

[0008] The utility model technical scheme is further improved in that: the quick connector comprises a connector main body, an insertion slot is formed in the left end of the connector main body, a fixed assembly is arranged on the inner wall of the insertion slot on the upper and lower sides, a moving sliding groove is formed in the inner wall of the insertion slot on the front and rear sides, a guide rib is slidably connected to the inner side of the moving sliding groove, a drive unlocking cylinder is fixedly connected to the opposite sides of the two guide ribs, a pressing ring is fixedly connected to the left end of the drive unlocking cylinder, the inner diameter of the connector main body is equal to the outer diameter of the insertion connecting pipe, the inner diameter of the drive unlocking cylinder is equal to the inner diameter of the connector main body, and the drive unlocking cylinder can be sleeved on the outer surface of the insertion connecting pipe.

[0009] The further improvement in the utility model technical scheme lies in that the insertion connecting pipe comprises an insertion pipe main body, a negative magnet ring is fixedly connected to the right end of the insertion pipe main body, a fixing groove is formed in the right side of the outer surface of the insertion pipe main body, and the outer diameter of the insertion pipe main body is same as that of the negative magnet ring.

[0010] The further improvement in the utility model technical scheme lies in that the fixing assembly comprises a telescopic guide groove, the telescopic guide groove is formed in the inner side of the insertion groove, a telescopic spring is fixedly connected to the middle part of the one end of the telescopic guide groove away from the insertion pipe main body, a guide plate is fixedly connected to the one end of the telescopic spring close to the insertion pipe main body, a fixing arc edge is fixedly connected to the one end of the guide plate away from the telescopic spring, telescopic supporting columns are fixedly connected to the front and back sides of the one end of the guide plate away from the fixing arc edge, and the one end of the telescopic supporting columns away from the guide plate is fixedly connected to the inner side of the telescopic guide groove.

[0011] The further improvement in the utility model technical scheme lies in that the one side of the fixing arc edge close to the insertion pipe main body can enter the fixing groove, the left side outer corner of the one end of the fixing arc edge away from the guide plate is a bevel, and the arc degree of the fixing arc edge is same as that of the fixing groove.

[0012] The further improvement in the utility model technical scheme lies in that the fixing connecting pipe comprises a fixing pipe main body, a guide ring is fixedly connected to the left end of the fixing pipe main body, the outer diameter of the guide ring is same as that of the insertion pipe main body, the outer surface of the guide ring is fixedly connected to the right side of the inner wall of the joint main body, a positive magnet ring is fixedly connected to the left end of the guide ring, the positive magnet ring is same in shape with the negative magnet ring, a plurality of elastic compensation assemblies are arranged on the left side of the outer surface of the fixing pipe main body, the elastic compensation assemblies are located on the inner side of the joint main body, and the outer diameter of the fixing pipe main body is smaller than that of the guide ring.

[0013] The further improvement in the utility model technical scheme lies in that the elastic compensation assembly comprises a guide groove, the guide groove is formed in the inner side of the joint main body, an elastic compensation spring is fixedly connected to the one end of the inner side of the guide groove away from the fixing pipe main body, an elastic compensation piston is fixedly connected to the one end of the elastic compensation spring close to the fixing pipe main body, the one end of the elastic compensation piston away from the guide groove is fixedly connected to the outer surface of the fixing pipe main body, and the outer surface of the elastic compensation piston is tightly attached to the inner side of the guide groove.

[0014] Thanks to the above technical scheme, the utility model has the following technical progress compared with the prior art.

[0015] The utility model provides a quick connector loosening and pressure releasing and tightening device, can make two quick alignment and preliminary connection through the magnet attraction of negative pole magnet ring and positive pole magnet ring, simultaneously triggers fixed assembly to carry out mechanical type fixed to fixed groove, forms loosening and pressure releasing and tightening device, can provide additional locking force, prevents the accidental loosening of joint in the working process, avoids the fluid leakage caused by the disconnection, promotes the effect of connection, and can remove the fixing of fixed assembly to fixed groove through the drive unlocking cylinder, makes the insertion pipe main body can be pulled out quickly, so that the quick connector is more convenient and fast in the emergency or the occasion which needs to connect and disconnect frequently.

[0016] The utility model provides a quick connector loosening and pressure releasing and tightening device, can when fixed pipe main body in quick connector receives external force interference from different directions, external force will be transmitted to fixed pipe main body, at this moment, the compensation piston of corresponding direction will slide in the guide groove, compresses or stretches elastic compensation spring, absorbs and compensates these external forces through the elastic deformation of elastic compensation spring, thereby maintains the close connection between fixed pipe main body and joint main body, and guarantees that joint main body will not fail or loosen prematurely due to external force impact, improves the connection stability of loosening and pressure releasing and tightening device to pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is the structural schematic diagram of the utility model quick connector;

[0019] Figure 3 It is the connection schematic diagram of fixed assembly and insertion connecting pipe of the utility model;

[0020] Figure 4 It is the structural schematic diagram of fixed connecting pipe of the utility model;

[0021] Figure 5 It is the structural schematic diagram of the utility model Figure 4 It is the structural schematic diagram of A place of the utility model.

[0022] In the drawing: 1, insertion connecting pipe; 11, negative pole magnet ring; 12, fixed groove; 13, insertion pipe main body; 2, quick connector; 21, press ring; 22, drive unlocking cylinder; 23, joint main body; 24, mobile sliding slot; 25, fixed assembly; 251, fixed arc edge; 252, telescopic support column; 253, guide plate; 254, telescopic spring; 255, telescopic guide groove; 26, insertion groove; 27, guide edge; 3, fixed connecting pipe; 31, positive pole magnet ring; 32, guide ring; 33, elastic compensation assembly; 331, elastic compensation spring; 332, guide groove; 333, compensation piston; 34, fixed pipe main body. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As shown in Figures 1-5 The utility model provides a quick coupling loosening and pressure releasing and tightening device, including connecting pipe, the left end part of connecting pipe is provided as fixed connecting pipe 3, the right end part of connecting pipe is provided as inserting connecting pipe 1, the outer surface side of fixed connecting pipe 3 is fixedly connected with quick coupling 2, and the connecting pipe can be connected with the fixed connecting pipe 3 of quick coupling 2 of other connecting pipes through the cooperation of inserting connecting pipe 1, and the inserting connecting pipe 1 and the fixed connecting pipe 3 of two connecting pipes can be docked, connected and fixed by quick coupling 2.

[0025] As shown in Figure 2 The utility model provides a quick coupling loosening and pressure releasing and tightening device technical scheme: preferably, quick coupling 2 includes joint main part 23, the left end of joint main part 23 is provided with insertion slot 26, and the inner wall of insertion slot 26 is provided with fixed assembly 25 on the upper side and the lower side, the inner wall of insertion slot 26 is provided with mobile sliding slot 24 on the front side and the back side, mobile sliding slot 24 is slidably connected with guide rib 27 on the inner side, and the opposite side of two guide ribs 27 is fixedly connected with drive unlocking cylinder 22, drive unlocking cylinder 22 is fixedly connected with pressing ring 21 on the left end, the inner diameter of joint main part 23 is equal to the outer diameter of inserting connecting pipe 1, and the inner diameter of drive unlocking cylinder 22 is equal to the inner diameter of joint main part 23, and drive unlocking cylinder 22 can be sleeved on the outer surface of inserting connecting pipe 1.

[0026] Joint main part 23 provides a basic framework for the whole connection and unlocking process, insertion slot 26 provides a moving space for drive unlocking cylinder 22, so that drive unlocking cylinder 22 can slide between inserting connecting pipe 1 and joint main part 23, fixed assembly 25 plays a fixing role in the connection process, mobile sliding slot 24 provides a sliding track for guide rib 27, guide rib 27 acts as a connecting component between drive unlocking cylinder 22 and mobile sliding slot 24, plays a role of transmitting motion and guiding, when it is necessary to disconnect, the operator presses the pressing ring 21 on the left end of drive unlocking cylinder 22, drive unlocking cylinder 22 slides in mobile sliding slot 24 through guide rib 27, and the moving process will unlock fixed assembly 25.

[0027] As shown in Figure 3As shown in the utility model provides a quick connector relaxes and tightens device technical scheme: preferably, the insert connecting pipe 1 includes the insert pipe main body 13, the insert pipe main body 13 right end fixedly connected with negative magnet ring 11, the insert pipe main body 13 outer surface right side is equipped with fixed groove 12, the insert pipe main body 13 and negative magnet ring 11 outer diameter is same, the insert pipe main body 13 is the basic structure of realization and other components connection, negative magnet ring 11 can be under the magnetic attraction in the connecting process played the primary guiding and positioning function, fixed groove 12 and fixed assembly 25 cooperation can play the effect of fixed position to the insert pipe main body 13.

[0028] As Figure 3 shown, the utility model provides a quick connector relaxes and tightens device technical scheme: preferably, fixed assembly 25 includes telescopic guide slot 255, and telescopic guide slot 255 is equipped in insert slot 26 inner side, and telescopic guide slot 255 far from the middle part fixedly connected with telescopic spring 254 of one end of insert pipe main body 13, and telescopic spring 254 fixedly connected with guide plate 253 of one end close to insert pipe main body 13, and the one end fixedly connected with fixed arc edge 251 of guide plate 253 far from telescopic spring 254, and the front and back sides of the one end fixedly connected with telescopic support column 252 of guide plate 253 far from fixed arc edge 251, and telescopic support column 252 far from the inner side fixedly connected in telescopic guide slot 255 of guide plate 253.

[0029] As Figure 3 shown, the utility model provides a quick connector relaxes and tightens device technical scheme: preferably, the one side close to insert pipe main body 13 of fixed arc edge 251 can enter fixed groove 12, and the left side outer angle place of the one end far from guide plate 253 of fixed arc edge 251 is inclined plane, and the radian of fixed arc edge 251 is same with fixed groove 12.

[0030] When not carrying out connecting operation, telescopic spring 254 in fixed assembly 25 is in natural extension state, and fixed arc edge 251 is partially located in telescopic guide slot 255 and partially protrudes from the inner wall of insert slot 26 under the elastic force of telescopic spring 254, so that the state of being capable of receiving insert connecting pipe 1 is formed, when the insert pipe main body 13 starts to be inserted, the front end of the insert pipe main body 13 first contacts the inclined surface of the fixed arc edge 251, and an force is applied to the fixed arc edge 251, the force is transmitted to the guide plate 253 through the fixed arc edge 251, the guide plate 253 is compressed after being subjected to the force, so that the fixed arc edge 251 is gradually pressed into the telescopic guide slot 255, when the insert pipe main body 13 is inserted to a certain depth, so that the fixed groove 12 corresponds to the position of the fixed arc edge 251, the elastic force of the telescopic spring 254 pushes the guide plate 253 in the direction of the insert pipe main body 13, and the fixed arc edge 251 is clamped into the fixed groove 12 under the driving of the guide plate 253, so that the fixing is completed.

[0031] When it is needed to disconnect, by pressing the drive unlocking cylinder 22, an external force is applied to the fixed assembly 25, so that the fixed arc rib 251 overcomes the elastic force of the telescopic spring 254, and enters the telescopic guide groove 255 again, at this time the insertion pipe body 13 is no longer limited by the fixed assembly 25, and can be pulled out from the insertion slot 26, realizing the separation of the insertion connecting pipe 1 and the quick connector 2.

[0032] As shown in Figure 4 The utility model provides a kind of quick connector relaxes and tightens device technical scheme: preferably, fixed connecting pipe 3 includes fixed pipe body 34, fixed pipe body 34 left end is fixedly connected with guide ring 32, the outer diameter of guide ring 32 is same with insertion pipe body 13, guide ring 32 outer surface is fixedly connected to the right side of the inner wall of connector body 23, guide ring 32 left end is fixedly connected with positive magnet ring 31, positive magnet ring 31 and negative magnet ring 11 same shape, the left side of the outer surface of fixed pipe body 34 is provided with a plurality of elastic compensation components 33, elastic compensation component 33 is located inside connector body 23, the outer diameter of fixed pipe body 34 is less than the outer diameter of guide ring 32.

[0033] Fixed pipe body 34 provides main support and connection basis for the whole connection structure, guide ring 32 can make fixed connecting pipe 3 adhere to the inside of connector body 23, positive magnet ring 31 and negative magnet ring 11 same shape and attract each other, magnetic attraction makes both quickly close and preliminary alignment, which provides convenience for subsequent accurate connection operation, elastic compensation component 33 can effectively reduce the influence of external force on connection structure when quick connector relaxes and tightens device is disturbed by external force.

[0034] As shown in Figure 5 The utility model provides a kind of quick connector relaxes and tightens device technical scheme: preferably, elastic compensation component 33 includes guide groove 332, guide groove 332 is opened in the inside of connector body 23, elastic compensation spring 331 is fixedly connected to the end of the inside of guide groove 332 away from fixed pipe body 34, the end of elastic compensation spring 331 close to fixed pipe body 34 is fixedly connected with compensation piston 333, the end of compensation piston 333 away from guide groove 332 is fixedly connected to the outer surface of fixed pipe body 34, and the outer surface of compensation piston 333 is tightly attached to the inside of guide groove 332.

[0035] Guide groove 332 provides accurate path and direction restriction for the movement of compensation piston 333, elastic compensation spring 331 can convert the energy of external force into its own elastic potential energy and store it, thereby effectively reducing the direct impact of external force on connection structure, compensation piston 333 plays the role of connecting fixed pipe body 34 and elastic compensation spring 331, and is the key medium of external force transmission.

[0036] The working principle of the quick connector relaxes and tightens device will be described in detail below.

[0037] As Figures 1-5 shown, the insertion pipe body 13 is inserted into the joint body 23 through the inside of the driving unlocking cylinder 22, the fixed arc edge 251 is extruded by the insertion pipe body 13 during the insertion process, the guide plate 253 compresses the extension spring 254 to make the fixed arc edge 251 retract, when the fixed slot 12 corresponds to the position of the fixed arc edge 251, the extension spring 254 pushes the fixed arc edge 251 to be clamped into the fixed slot 12, the connection is completed, the pressing ring 21 of the driving unlocking cylinder 22 is pressed, the driving unlocking cylinder 22 slides in the moving sliding groove 24 through the guide edge 27, the fixed arc edge 251 is pushed to overcome the elastic force of the extension spring 254 to be separated from the fixed slot 12, the insertion pipe body 13 can be pulled out from the insertion slot 26, and the disconnection is realized.

[0038] The utility model is described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A quick connector pressure release device comprising a connecting pipe, characterized in that: The left end part of the connecting pipe is provided with a fixed connecting pipe (3), and the right end part of the connecting pipe is provided with an insertion connecting pipe (1), the outer surface side of the fixed connecting pipe (3) is fixedly connected with a quick connector (2), and the insertion connecting pipe (1) can be connected with the fixed connecting pipe (3) of other connecting pipes through cooperation of the quick connector (2) of the insertion connecting pipe (1).

2. A quick hitch pressure relief device according to claim 1, wherein: The quick connector (2) comprises a connector body (23), an insertion slot (26) is formed in the left end of the connector body (23), fixed assemblies (25) are arranged on the inner wall of the insertion slot (26) on the upper side and the lower side, moving sliding grooves (24) are formed in the inner wall of the insertion slot (26) on the front side and the rear side, guide edges (27) are slidably connected to the inner side of the moving sliding grooves (24), drive unlocking barrels (22) are fixedly connected to the opposite sides of the two guide edges (27), a pressing ring (21) is fixedly connected to the left end of the drive unlocking barrel (22), the inner diameter of the connector body (23) is equal to the outer diameter of the insertion connecting pipe (1), the inner diameter of the drive unlocking barrel (22) is equal to the inner diameter of the connector body (23), and the drive unlocking barrel (22) can be sleeved on the outer surface of the insertion connecting pipe (1).

3. A quick hitch pressure relief device according to claim 2, wherein: The insertion connecting pipe (1) comprises an insertion pipe body (13), a negative magnet ring (11) is fixedly connected to the right end of the insertion pipe body (13), a fixed groove (12) is formed in the right side of the outer surface of the insertion pipe body (13), and the outer diameter of the insertion pipe body (13) is the same as that of the negative magnet ring (11).

4. A quick hitch pressure release device according to claim 3, wherein: The fixed assembly (25) comprises a telescopic guide groove (255), the telescopic guide groove (255) is formed in the inner side of the insertion slot (26), a telescopic spring (254) is fixedly connected to the middle part of one end of the telescopic guide groove (255) away from the insertion pipe body (13), a guide plate (253) is fixedly connected to one end of the telescopic spring (254) close to the insertion pipe body (13), a fixed arc edge (251) is fixedly connected to one end of the guide plate (253) away from the telescopic spring (254), telescopic supporting columns (252) are fixedly connected to the front side and the rear side of one end of the guide plate (253) away from the fixed arc edge (251), and one end of the telescopic supporting column (252) away from the guide plate (253) is fixedly connected to the inner side of the telescopic guide groove (255).

5. A quick hitch pressure relief device according to claim 4, wherein: The side of the fixed arc edge (251) close to the insertion pipe body (13) can enter the fixed groove (12), the outer corner of the left side of one end of the fixed arc edge (251) away from the guide plate (253) is an inclined surface, and the arc of the fixed arc edge (251) is the same as that of the fixed groove (12).

6. A quick hitch pressure relief device according to claim 3, wherein: The fixed connecting pipe (3) comprises a fixed pipe body (34), the left end of the fixed pipe body (34) is fixedly connected with a guide ring (32), the outer diameter of the guide ring (32) is same as that of the insertion pipe body (13), the outer surface of the guide ring (32) is fixedly connected to the right side of the inner wall of the joint body (23), the left end of the guide ring (32) is fixedly connected with a positive magnet ring (31), the positive magnet ring (31) is same in shape with the negative magnet ring (11), a plurality of elastic compensation components (33) are arranged on the left side of the outer surface of the fixed pipe body (34), the elastic compensation components (33) are located on the inner side of the joint body (23), and the outer diameter of the fixed pipe body (34) is smaller than that of the guide ring (32).

7. A quick hitch pressure relief device according to claim 6, wherein: The elastic compensation component (33) comprises a guide groove (332), the guide groove (332) is arranged on the inner side of the joint body (23), the one end of the guide groove (332) away from the fixed pipe body (34) is fixedly connected with an elastic compensation spring (331), the one end of the elastic compensation spring (331) close to the fixed pipe body (34) is fixedly connected with a compensation piston (333), the one end of the compensation piston (333) away from the guide groove (332) is fixedly connected to the outer surface of the fixed pipe body (34), and the outer surface of the compensation piston (333) is tightly attached to the inner side of the guide groove (332).

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