Quick-change connector
Technical Field
The utility model relates to the technical field of pipeline processing, in particular to a quick-change connector.
Background
The pipeline has wide application in mechanical equipment and pipeline systems, in particular to one of the simplest and most safe transportation modes of water, fuel oil, fuel gas and other mediums. The existing pipeline connection mode basically comprises the following steps of firstly carrying out hot melting welding on two groups of pipeline ports in a hot melting mode, wherein the hot melting process is complex, the time is long, the operation difficulty is high under the open air working condition, secondly, connecting the pipeline ports and the connecting positions of the valves through the flange pipe joint, wherein the flange pipe joint is generally suitable for the connecting positions of the pipeline ports and the valves, the pipeline ports and the flanges are required to be connected firstly, and then the two flanges are connected, and because the flanges are required to be high in coaxiality, the installation is difficult, and leakage is easy to occur.
Therefore, the quick-change connector is provided for solving the problems of complicated connecting steps, high operation difficulty and easy leakage of the existing pipeline.
Disclosure of utility model
The utility model aims to overcome the defects and shortcomings in the prior art, and provides a quick-change connector, which effectively solves the problems of complicated pipeline connection steps, high operation difficulty and easy leakage after connection.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
The utility model provides a quick-change connector, which comprises a pressure ring assembly and a locking assembly detachably connected to the pressure ring assembly, wherein the pressure ring assembly comprises a first arc pressure ring and a second arc pressure ring, one side of the first arc pressure ring is hinged to one side of the second arc pressure ring, the other side of the first arc pressure ring and the other side of the second arc pressure ring are fixed through the locking assembly, a tightening hole for clamping a pipe fitting is formed between the first arc pressure ring and the second arc pressure ring, a drainage tube penetrating through the side wall of the second arc pressure ring and communicated with the tightening hole is further arranged on the second arc pressure ring, an extension section is reserved on the drainage tube towards the direction of the tightening hole, a groove is formed in the inner wall of the second arc pressure ring along the circumferential direction of the extension section, and a sealing gasket matched with the shape of the groove is arranged in the groove.
Preferably, the drainage tube and the second arc-shaped compression ring are integrally formed.
Preferably, the thickness of the gasket is greater than the depth of the groove and less than the length of the extension.
Preferably, a positioning hole penetrating through the side wall of the first arc-shaped pressing ring is formed in the first arc-shaped pressing ring, and the axis of the positioning hole coincides with the axis of the extension section.
Preferably, the locking assembly comprises a nut and a bolt, a mounting hole for mounting the nut is formed in the first arc-shaped pressing ring, a locking hole is formed in the second arc-shaped pressing ring at a position corresponding to the mounting hole, and the bolt penetrates through the locking hole and then is in threaded connection with the nut in the mounting hole.
Preferably, the drainage tube is an L-shaped pipeline, and the opening of the L-shaped pipeline located at the outer side tightening hole faces to the hinged side of the first arc-shaped compression ring and the second arc-shaped compression ring.
Preferably, the nut of the locking assembly is a press-riveting nut, and is fixedly connected with the mounting hole on the first arc-shaped compression ring in a press-riveting mode.
Preferably, the first arc-shaped pressing ring is hinged with the second arc-shaped pressing ring through a primary rivet and a secondary rivet.
Preferably, the inner side surfaces of the first arc-shaped pressing ring and the second arc-shaped pressing ring are also provided with strip-shaped grooves.
Preferably, the first arc-shaped compression ring and the second arc-shaped compression ring are provided with reinforcing ribs at one end of the locking assembly.
Compared with the prior art, the utility model has the following beneficial effects:
1. The quick-change connector provided by the utility model is provided with the compression ring assembly and the locking assembly, the first arc compression ring and the second arc compression ring are utilized to clamp and clamp the pipe fitting, the detachable locking assembly is matched, the clamping acting force can be adjusted, and the connecting pipe fitting is firmly connected with the drainage tube, so that the operation is convenient and quick.
2. In the process of connecting the pipe fitting and the drainage tube, the extension section of the drainage tube is embedded into the side wall opening of the connection pipe fitting, so that the pipe fitting and the drainage tube can be directly opposite to each other rapidly, and the sealing gasket structure is further arranged, so that the connection tightness between the pipe fitting and the drainage tube can be greatly improved, and the leakage of the connection part is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a quick-change connector according to an embodiment of the present utility model;
FIG. 2 is an exploded view of the overall structure of a quick-change coupling according to an embodiment of the present utility model;
FIG. 3 is an exploded view of the overall structure of a quick-change coupling according to another embodiment of the present utility model;
FIG. 4 is a front view of FIG. 3 in an embodiment of the utility model;
fig. 5 is a top view of fig. 3 in an embodiment of the utility model.
The device comprises a first arc-shaped compression ring 1, a positioning hole 2, a mounting hole 3, a second arc-shaped compression ring 4, a drainage tube 5, a drainage tube 6, an extension section 7, a groove 8, a locking hole 9, a bolt 10, a nut 11, a flat pad 12, a spring pad 13, a primary and secondary rivet 14, a sealing pad 15, a locking boss 16, a reinforcing rib 17, a strip-shaped groove 18, a U-shaped frame 19, a protrusion 20 and a hinge hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1 to 5, the utility model provides a quick-change connector, which comprises a pressure ring assembly and a locking assembly detachably connected to the pressure ring assembly, wherein the pressure ring assembly comprises a first arc pressure ring 1 and a second arc pressure ring 4, the first arc pressure ring 1 is hinged to one side of the second arc pressure ring 4, the other side of the first arc pressure ring 1 and the other side of the second arc pressure ring 4 are fixed through the locking assembly, a tightening hole for clamping a pipe fitting is formed between the first arc pressure ring 1 and the second arc pressure ring 4, a drainage tube 5 penetrating through the side wall of the second arc pressure ring and communicated with the tightening hole is further arranged on the second arc pressure ring 4, an extension section 6 is reserved in the drainage tube 5 towards the tightening hole, a groove 7 is formed in the inner wall of the second arc pressure ring 4 along the circumferential direction of the extension section, and a sealing gasket 14 matched with the shape of the groove 7 is arranged in the groove 7.
Through the mode that sets up first arc clamping ring 1 and second arc clamping ring 4 that articulated together, can expand first arc clamping ring 1 and second arc clamping ring 4 when the installation, then in the opening of embedding pipe fitting lateral wall with extension 6, the locking of pipe fitting is carried out to reclosing first arc clamping ring 1 and second arc clamping ring 4 to install drainage tube 5 in place on the pipe fitting, installation dismantlement convenient and fast. In order to ensure the tightness of the opening fit of the extending section 6 and the side wall of the pipe fitting, the inner wall of the second arc-shaped compression ring 4 is provided with a groove 7 along the circumferential direction of the extending section 6, and a sealing gasket 14 is arranged in the groove 7 to seal the circumferential direction of the extending section 6, so that a better sealing effect is achieved.
The drainage tube 5 and the second arc-shaped compression ring 4 are of an integrated structure, so that the number of potential leakage points existing after the quick-change connector is connected with a pipe fitting is reduced while the connection strength of the drainage tube 5 and the second arc-shaped compression ring 4 is ensured, and the sealing difficulty is reduced.
On the basis of the structure, the thickness of the sealing gasket 14 is larger than the depth of the groove 7 and smaller than the length of the extension section 6, and the sealing effect is further improved by utilizing the extrusion of the second arc-shaped compression ring 4 and the side wall of the pipe fitting to the sealing gasket 14.
As shown in fig. 2, a positioning hole 2 penetrating through the side wall of the first arc-shaped compression ring 1 is formed in the first arc-shaped compression ring 1, the axis of the positioning hole 2 coincides with the axis of the extension section 6, before a joint is installed, a drainage hole for installing the extension section 6 needs to be formed in a preset position on the outer wall of a pipe fitting, the position opposite to the positioning hole 2 is the position of the drainage hole in a reverse pre-installation mode of the quick-change joint, then the extension section 6 can be embedded into the drainage hole to be installed and positioned by installing the quick-change joint in the forward direction, and the accurate positioning of the extension section 6 of the quick-change joint on the pipe fitting is realized.
As shown in fig. 2, the first arc-shaped pressing ring 1 is provided with a mounting hole 3, the second arc-shaped pressing ring 4 is provided with a locking hole 8 at a position coaxial with the mounting hole 3, the locking assembly comprises a nut 10 and a bolt 9, the nut 10 is embedded into the mounting hole 3, and the bolt 9 penetrates through the locking hole 8 and then is in threaded connection with the nut 10, so that the first arc-shaped pressing ring 1 and the second arc-shaped pressing ring 4 are locked. Meanwhile, the locking assembly further comprises the flat pad 11 and the elastic pad 12, the flat pad 11 and the elastic pad 12 are sequentially paved between the bolt 9 and the second arc-shaped compression ring 4 before the first arc-shaped compression ring 1 and the second arc-shaped compression ring 4 are locked, and the flat pad 11 and the elastic pad 12 are matched with each other, so that elastic deformation can be generated in the fastening process, the friction force is enhanced, and the bolt is effectively prevented from loosening due to vibration or temperature change.
Further, the nut 10 of the locking assembly is preferably a press-riveting nut, and the press-riveting nut is fixedly connected with the first arc-shaped compression ring 1 in a press-riveting manner, so that the nut 10 is effectively prevented from loosening due to vibration or temperature change.
On the basis of the above structure, in order to improve the locking matching degree of the first arc-shaped pressing ring 1 and the second arc-shaped pressing ring 4, the locking ends of the first arc-shaped pressing ring 1 and the second arc-shaped pressing ring 4 are further provided with locking bosses 15 with matching surfaces respectively, the mounting holes 3 and the locking holes 8 are correspondingly formed in the locking bosses 15, and the locking bosses 15 are locked, so that the first arc-shaped pressing ring 1 and the second arc-shaped pressing ring 4 are locked. The transition sections of the locking lug boss 15 and the first arc-shaped pressing ring 1 and the second arc-shaped pressing ring 4 are further provided with reinforcing ribs 16 for improving the connection strength of the locking lug boss 15 and the first arc-shaped pressing ring 1 and the second arc-shaped pressing ring 4 respectively.
According to the user demand, drainage tube 5 can be straight tube or abnormal shape pipe, when drainage tube 5 is L shape pipeline, and the mouth of pipe that preferential L shape pipeline is located outside stirrup hole is towards the articulated side of first arc clamping ring 1 and second arc clamping ring 4 to at later stage mounting bolt 9 in-process, avoid drainage tube 5 and locking instrument to produce the interference, the operation is more convenient.
As shown in fig. 3, the hinge side of the first arc-shaped compression ring 4 is provided with a U-shaped frame 18, the hinge side of the second arc-shaped compression ring 4 is provided with a protrusion 19 corresponding to the U-shaped frame 18, the U-shaped frame 18 and the protrusion 19 are provided with coaxially arranged hinge holes 20, the hinge holes 20 are internally provided with primary and secondary rivets 13 for movably connecting the first arc-shaped compression ring 1 and the second arc-shaped compression ring 4, the primary and secondary rivets 13 do not limit the opening angle of the first arc-shaped compression ring 1 and the second arc-shaped compression ring 4, and the first arc-shaped compression ring 1 and the second arc-shaped compression ring 4 can be unfolded at least 180 degrees under the condition that the first arc-shaped compression ring 1 and the second arc-shaped compression ring 4 do not interfere with each other.
As shown in fig. 2 to 3, the inner side surfaces of the first arc-shaped compression ring 1 and the second arc-shaped compression ring 4 are provided with strip-shaped grooves 17, so that the friction force of the inner side surfaces of the first arc-shaped compression ring 1 and the second arc-shaped compression ring 4 is improved while the overall weight is reduced, and the displacement caused by temperature change relative to a pipe fitting is prevented.
It should be noted that it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.