Quick connector of detachable joint of pipe fitting

Abstract

The utility model relates to the technical field of pipe fitting connectors, in particular to a quick connector of a detachable joint of a pipe fitting, which comprises a connecting joint and a connecting unit, the connecting unit comprises a connecting main body, a fixed ring, a sliding rod, a first spring, a lug plate, a movable ring, a sealing ring, a fixed rod, a locking assembly and an auxiliary assembly, the locking assembly is arranged on the outer side wall of the connecting body, the auxiliary assembly is arranged on the inner side wall of the connecting body, during use, the connecting joint is inserted into the connecting body and abuts against the movable ring to move towards the center till the sealing ring makes contact with the fixed ring, the fixed rod assists the movable ring to slide, and in the process, the lug plate compresses the first spring; the resistance is provided for sliding of the moving ring, then the locking assembly is used for limiting sliding of the moving ring, the auxiliary assembly is used for improving the liquid fluidity, the overall sealing performance is improved through the mode, the connector is suitable for connection under different strengths, and normal use of workers is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe fitting connector technical field especially relates to a quick connector of pipe fitting's detachable joint. BACKGROUND

[0002] Pipe fitting needs to be connected with pipeline in construction process, and the traditional connecting mode is all welding treatment, and subsequent maintenance is more troublesome after such operation, which can easily increase the work burden of maintenance personnel.

[0003] At present, the pipe connecting structure is used for connection, the existing pipe connecting structure is generally provided with a connecting head and a locking mechanism for connecting the pipe, the pipe is fixed by the connecting head and the sleeve, which facilitates installation and reduces the workload of maintenance personnel,

[0004] However, by using the sleeve to fix the connecting head to the pipe, the subsequent disassembly and installation of the maintenance personnel are facilitated. However, the sealing performance is poor during the whole use process, which cannot adapt to high-strength connection and affects the use of workers. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a quick connector of pipe fitting's detachable joint, which solves the problem of poor sealing performance in the prior art, which cannot adapt to high-strength connection and affects the use of workers.

[0006] To achieve the above-mentioned purpose, the utility model provides a quick connector of pipe fitting's detachable joint, which comprises a connecting head and a connecting unit, the connecting unit comprises a connecting body, a fixing ring, a sliding rod, a first spring, an ear plate, a moving ring, a sealing ring, a fixing rod, a locking assembly and an auxiliary assembly, the connecting unit is arranged on the outer side wall of the connecting head, the connecting body is arranged on the outer side wall of the connecting head, the connecting body has a sliding groove, the sliding groove is in sliding fit with the ear plate, the fixing ring is fixedly connected with the connecting body and located on the inner side wall of the connecting body, the sliding rod is fixedly connected with the connecting body and located on the inner side wall of the sliding groove, and the sliding rod is in sliding fit with the ear plate, the moving ring is fixedly connected with the ear plate and located on one side of the ear plate, and the moving ring is in sliding fit with the connecting body, the moving ring is in contact with the connecting head, the two ends of the first spring are fixedly connected with the connecting body and the ear plate respectively, and the first spring is sleeved on the outer side wall of the sliding rod, the fixing rod is fixedly connected with the fixing ring and located on one side of the fixing ring, the sealing ring is fixedly connected with the moving ring and located on one side of the moving ring, the sealing ring and the moving ring respectively have sliding holes, the sliding holes are in sliding fit with the fixing rod, the locking assembly is arranged on the outer side wall of the connecting body, and the auxiliary assembly is arranged on the inner side wall of the connecting body.

[0007] The locking assembly includes a connecting chamber, a limiting plate, a second spring, and a pull rod. The connecting chamber is fixedly connected to the connecting body and is located on the outer side wall of the connecting body. The limiting plate is connected to the inner side wall of the connecting chamber. The pull rod is fixedly connected to the limiting plate and is located above the limiting plate. The pull rod is slidably engaged with the connecting chamber. The two ends of the second spring are fixedly connected to the limiting plate and the connecting chamber, respectively.

[0008] The locking assembly further includes an arc-shaped ring, which is fixedly connected to the limiting plate and located on one side of the limiting plate, and the arc-shaped ring is in contact with the connecting joint.

[0009] The auxiliary component includes a connecting ring, multiple connecting posts, and a sealing outer ring. The multiple connecting posts are fixedly connected to the connecting body and are located on the inner sidewall of the connecting body. The connecting ring is fixedly connected to the multiple connecting posts and is located at one end of the multiple connecting posts. The connecting ring is in contact with the fixing ring. The sealing outer ring is fixedly connected to the connecting ring and is located on the outer sidewall of the connecting ring.

[0010] The auxiliary component includes a beveled ring, which is fixedly connected to the connecting ring and located at one end of the connecting ring.

[0011] This utility model discloses a quick connector for a detachable pipe fitting. In use, the connector is inserted into the connecting body, causing it to move against the moving ring towards the center until the sealing ring contacts the fixed ring. The fixed rod assists the moving ring in sliding. During this process, the ear plate compresses the first spring, providing resistance to the sliding of the moving ring. Then, the locking assembly restricts the sliding of the moving ring. The auxiliary assembly is used to improve liquid flowability, thereby improving overall sealing performance. It is suitable for connections under different strengths, ensuring normal use by operators. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0013] Figure 1 This is a structural schematic diagram of the quick connector for the detachable joint of the pipe fitting of this utility model.

[0014] Figure 2 This is a right view of the quick connector for the detachable joint of the pipe fitting of this utility model.

[0015] Figure 3 This is the utility model Figure 2 A sectional view along line AA.

[0016] Figure 4 is the pipe joint of the utility model Figure 3 the partial structure enlarged view of B place of

[0017] 101-connecting joint, 102-connecting body, 103-fixing ring, 104-sliding rod, 105-first spring, 106-ear plate, 107-moving ring, 108-sealing ring, 109-fixing rod, 110-connecting bin, 111-limiting plate, 112-second spring, 113-pull rod, 114-arc ring, 115-connecting ring, 116-connecting column, 117-sealing outer ring, 118-inclined surface ring, 119-sliding groove, 120-sliding hole. DETAILED DESCRIPTION

[0018] Please refer to Figures 1 to 4 Among them, Figure 1 is the structure diagram of the quick connector of the detachable joint of the pipe joint of the utility model, Figure 2 is the right view of the quick connector of the detachable joint of the pipe joint of the utility model, Figure 3 is the pipe joint of the utility model Figure 2 the A-A line section view of, Figure 4 is the pipe joint of the utility model Figure 3 the partial structure enlarged view of B place of.

[0019] The utility model provides a kind of quick connector of the detachable joint of pipe joint, including connecting joint 101 and connecting unit, the connecting unit includes connecting body 102, fixing ring 103, sliding rod 104, first spring 105, ear plate 106, moving ring 107, sealing ring 108, fixed rod 109, locking assembly and auxiliary assembly, the locking assembly includes connecting bin 110, limiting plate 111, second spring 112, pull rod 113 and arc ring 114, the auxiliary assembly includes connecting ring 115, multiple connecting columns 116, sealing outer ring 117 and inclined surface ring 118, the connecting body 102 has sliding groove 119, the sealing ring 108 and the moving ring 107 respectively have sliding hole 120.

[0020] The connecting unit is arranged on the outer side wall of the connecting joint 101; the connecting body 102 is arranged on the outer side wall of the connecting joint 101, the connecting body 102 is provided with a sliding groove 119 which is in sliding fit with the ear plate 106, the fixed ring 103 is fixedly connected with the connecting body 102 and located on the inner side wall of the connecting body 102, the sliding rod 104 is fixedly connected with the connecting body 102 and located on the inner side wall of the sliding groove 119, and the sliding rod 104 is in sliding fit with the ear plate 106, the moving ring 107 is fixedly connected with the ear plate 106 and located on one side of the ear plate 106, and the moving ring 107 is in sliding fit with the connecting body 102, the moving ring 107 is in contact with the connecting joint 101, both ends of the first spring 105 are fixedly connected with the connecting body 102 and the ear plate 106 respectively, and the first spring 105 is sleeved on the outer side wall of the sliding rod 104, the fixed rod 109 is fixedly connected with the fixed ring 103 and located on one side of the fixed ring 103, the sealing ring 108 is fixedly connected with the moving ring 107 and located on one side of the moving ring 107, the sealing ring 108 and the moving ring 107 are respectively provided with sliding holes 120 which are in sliding fit with the fixed rod 109, the locking assembly is arranged on the outer side wall of the connecting body 102, and the auxiliary assembly is arranged on the inner side wall of the connecting body 102.

[0021] In the embodiment, the connecting joint 101 is inserted into the connecting body 102 in use, and the connecting joint 101 is moved towards the center by abutting against the moving ring 107 until the sealing ring 108 is in contact with the fixed ring 103, the fixed rod 109 assists the moving ring 107 to slide, the ear plate 106 compresses the first spring 105 in the process to provide resistance for the sliding of the moving ring 107, then the locking assembly is used to limit the sliding of the moving ring 107, and the auxiliary assembly is used to improve the fluidity of liquid, so that the overall sealing performance is improved, and the connection under different strengths is suitable, and the normal use of the staff is ensured.

[0022] Further, the connecting bin 110 is fixedly connected with the connecting body 102 and located on the outer side wall of the connecting body 102, the limiting plate 111 is located on the inner side wall of the connecting bin 110, the pull rod 113 is fixedly connected with the limiting plate 111 and located above the limiting plate 111, and the pull rod 113 is in sliding fit with the connecting bin 110, and both ends of the second spring 112 are fixedly connected with the limiting plate 111 and the connecting bin 110 respectively.

[0023] In the embodiment, when the connecting joint 101 is installed, the pull rod 113 is pulled upward, the limiting plate 111 compresses the second spring 112, when the sealing ring 108 contacts with the fixed ring 103, the pull rod 113 is released, due to the characteristics of the second spring 112, the limiting plate 111 is driven to move downward, the movement of the connecting joint 101 to the right is limited, and the purpose of quick connection is achieved.

[0024] Further, the arc-shaped ring 114 is fixedly connected with the limiting plate 111 and located on one side of the limiting plate 111, and the arc-shaped ring 114 contacts with the connecting joint 101.

[0025] In the embodiment, the arc-shaped ring 114 can better fit the connecting joint 101, and the stability of connection is ensured.

[0026] Further, the plurality of connecting columns 116 are fixedly connected with the connecting body 102 and respectively located on the inner side walls of the connecting body 102, the connecting ring 115 is fixedly connected with the plurality of connecting columns 116 and located on one end of the plurality of connecting columns 116, and the connecting ring 115 contacts with the fixed ring 103, and the sealing outer ring 117 is fixedly connected with the connecting ring 115 and located on the outer side wall of the connecting ring 115.

[0027] In the embodiment, the connecting ring 115 avoids the rolling of liquid in the connecting body 102, reduces the occurrence of shaking, and ensures the stability of liquid flow, and the sealing outer ring 117 can improve the sealing between the fixed ring 103 and the connecting ring 115, and reduce the expenditure of later maintenance cost.

[0028] Further, the inclined surface ring 118 is fixedly connected with the connecting ring 115 and located on one end of the connecting ring 115.

[0029] In the embodiment, the inclined surface ring 118 can avoid the contact of liquid with the side surface of the connecting ring 115, and relieve the pressure caused by liquid flow.

[0030] The above disclosure is only a preferred embodiment of the present application, and cannot limit the scope of the rights of the present application. Those skilled in the art can understand that all or part of the above-mentioned processes are implemented, and equivalent changes are made according to the claims of the present application, which still belong to the scope covered by the present application.

Claims

1. A quick connector for a detachable fitting of a pipe, comprising a connecting joint, characterized in that, It also includes a connecting unit, which is disposed on the outer side wall of the connecting joint; The connecting unit includes a connecting body, a fixing ring, a sliding rod, a first spring, an ear plate, a moving ring, a sealing ring, a fixing rod, a locking assembly, and auxiliary components. The connecting body is disposed on the outer side wall of the connecting joint. The connecting body has a sliding groove, which slidably engages with the ear plate. The fixing ring is fixedly connected to the connecting body and located on the inner side wall of the connecting body. The sliding rod is fixedly connected to the connecting body and located on the inner side wall of the sliding groove, and slidably engages with the ear plate. The moving ring is fixedly connected to the ear plate and located on one side of the ear plate, and the moving ring slidably engages with the ear plate. The connecting body slides in fit, the movable ring contacts the connecting joint, the two ends of the first spring are fixedly connected to the connecting body and the ear plate respectively, and the first spring is sleeved on the outer side wall of the slide rod, the fixed rod is fixedly connected to the fixed ring and located on one side of the fixed ring, the sealing ring is fixedly connected to the movable ring and located on one side of the movable ring, the sealing ring and the movable ring each have a sliding hole, the sliding hole slides in fit with the fixed rod, the locking component is disposed on the outer side wall of the connecting body, and the auxiliary component is disposed on the inner side wall of the connecting body.

2. The quick connector for the detachable joint of the pipe fitting as described in claim 1, characterized in that, The locking assembly includes a connecting chamber, a limiting plate, a second spring, and a pull rod. The connecting chamber is fixedly connected to the connecting body and is located on the outer side wall of the connecting body. The limiting plate is connected to the inner side wall of the connecting chamber. The pull rod is fixedly connected to the limiting plate and is located above the limiting plate. The pull rod is slidably engaged with the connecting chamber. The two ends of the second spring are fixedly connected to the limiting plate and the connecting chamber, respectively.

3. The quick connector for the detachable joint of the pipe fitting as described in claim 2, characterized in that, The locking assembly also includes an arc-shaped ring, which is fixedly connected to the limiting plate and located on one side of the limiting plate, and the arc-shaped ring is in contact with the connecting joint.

4. The quick connector for the detachable joint of the pipe fitting as described in claim 3, characterized in that, The auxiliary component includes a connecting ring, multiple connecting posts, and a sealing outer ring. The multiple connecting posts are fixedly connected to the connecting body and are respectively located on the inner sidewall of the connecting body. The connecting ring is fixedly connected to the multiple connecting posts and is located at one end of the multiple connecting posts. The connecting ring is in contact with the fixing ring. The sealing outer ring is fixedly connected to the connecting ring and is located on the outer sidewall of the connecting ring.

5. The quick connector for the detachable joint of the pipe fitting as described in claim 4, characterized in that, The auxiliary component includes a beveled ring, which is fixedly connected to the connecting ring and located at one end of the connecting ring.

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