Coaxial reducing connector
By designing a coaxial reducing connector, and utilizing the cooperation of locking protrusions and locking grooves, combined with a limiting ring and a pin, the problem of pipe length mismatch is solved, enabling flexible adjustment and stable connection of the pipe, and improving the reliability and sealing of the connection.
Patent Information
- Application Number
- CN202520577870.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-28
AI Technical Summary
Existing reducing couplings are prone to problems when connecting pipes that are too long or too short, resulting in an inability to connect effectively with the coupling and causing inconvenience to workers.
A coaxial reducing connector was designed. By setting interfaces with different diameters at both ends of the connector, and installing adjustment grooves and locking grooves along the axial direction at the interfaces, the length of the pipe can be adjusted and locked by the cooperation of locking protrusions and locking grooves. Combined with the design of limit rings and pins, the pipe can be prevented from rotating or loosening.
It enables adjustment based on pipe length, avoids difficulties in pipe assembly, improves the stability and sealing of the connection, prevents loosening and detachment of the connection, and enhances the performance of the connector.
Smart Images
Figure CN223806739U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline connection technical field, concretely is a coaxial different diameter connector. BACKGROUND
[0002] The different diameter adapter is a pipeline accessory, is used for the connection of two different pipe diameters, is installed at the place where the pipeline pipe diameter needs to be changed, has wide application, for example, in the gas delivery field, needs to utilize the pipeline to deliver gas, according to actual production use needs, sometimes different diameter adapter needs to be carried out in the gas delivery pipeline, needs different diameter adapter to connect.
[0003] The current different diameter connector is usually connected with flange or thread when connecting the pipeline, but the pipeline (refers to rigid pipeline) is usually too long or too short in the process of connection, cannot be connected with the different diameter connector, and the staff needs to replace the pipeline of different length or cut the pipeline, thereby causing inconvenience to the staff.
[0004] Therefore, the coaxial different diameter connector is provided to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at solving the above problems.
[0006] To achieve the above object, the utility model adopts the following technical scheme: a coaxial different diameter connector, including connector, the both ends of the connector are provided with interfaces with different hole diameters, the interfaces of the connector are respectively provided with pipelines, and the connection part of the connector and the pipeline is provided with a locking part, the interface of the connector is provided with an adjusting groove along the axial direction, and a plurality of locking grooves are formed in one side of the adjusting groove, the end of the pipeline is fixed with a locking protrusion matched with the adjusting groove and the locking groove, when the locking protrusion is located in the adjusting groove, the length of the connection between the connector and the pipeline is adjusted, and when the locking protrusion is located in the locking groove, the connector and the pipeline are locked.
[0007] Further, the locking part includes a threaded sleeve, one end of the threaded sleeve is threadedly connected with the end of the connector, and the other end of the threaded sleeve is fixed with an annular protrusion.
[0008] Further, the annular protrusion and the connector are provided with a limiting ring sleeved on the pipeline, the outer diameter of the limiting ring is larger than the hole diameter of the annular protrusion, one end of the limiting ring is fixed with a bolt extending into the adjusting groove.
[0009] Further, the limiting ring, the connector and the pipeline are respectively provided with a sealing ring sleeved on the pipeline.
[0010] The utility model has the advantages that:
[0011] The connecting head can be connected with the pipeline, and the locking protrusion at the end of the pipeline can be rotated into different locking grooves and locked according to the length of the pipeline, so that the length of the pipeline can be adjusted, and the situation that the pipeline cannot be assembled due to the excessive length of the pipeline is avoided, and the use effect of the reducing connecting head is improved.
[0012] The limiting ring drives the bolt to extend into the adjusting groove and abut against the locking protrusion, so that the locking protrusion is limited; the relative rotation between the connecting head and the pipeline is prevented during the gas or liquid conveying process; the connecting part of the connecting head and the pipeline is further provided with a locking part, the locking part sleeved on the pipeline is connected with the connecting head, and the limiting effect and the fastening effect are further achieved, the loosening phenomenon of the connecting part of the connecting head and the pipeline is prevented, and the stability of the reducing connecting head is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a use state structure schematic diagram (three-dimensional) of the utility model;
[0014] Figure 2 is a use state structure schematic diagram (explosion) of the utility model;
[0015] Figure 3 is a three-dimensional structure schematic diagram of the connecting head in the utility model;
[0016] Figure 4 is a connecting structure schematic diagram of the limiting ring and the bolt in the utility model;
[0017] Figure 5 is a cross section structure schematic diagram of the locking part in the utility model.
[0018] Corresponding names of various marks in the drawing:
[0019] 1, connecting head; 2, pipeline; 3, locking part; 301, threaded sleeve; 302, annular protrusion; 4, adjusting groove; 5, locking groove; 6, locking protrusion; 7, limiting ring; 8, bolt; 9, sealing ring. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art belong to the protection scope of the utility model.
[0021] A coaxial and different-diameter connector, comprising a connector 1, two ends of the connector 1 are respectively provided with interfaces with different diameters, and the axes of the two interfaces are located on the same horizontal line; the connector 1 is used for connecting pipelines 2 with different diameters; in use: the two interfaces of the connector 1 are respectively inserted into the pipelines 2, and are used for conveying liquid or gas;
[0022] A plurality of adjusting grooves 4 are respectively and equidistantly provided at the interfaces of the two ends of the connector 1 along the circumferential direction, a plurality of locking grooves 5 are equidistantly provided on one side of each adjusting groove 4; a plurality of locking protrusions 6 are equidistantly fixed on the end of the pipeline 2 along the circumferential direction, and the number of the locking protrusions 6 is the same as that of the adjusting grooves 4; if the locking protrusions 6 on the outer surface of the pipeline 2 are located inside the adjusting grooves 4, one end of the pipeline 2 can be stretched and contracted in the connector 1 along the axial direction, so that the area where the connector 1 and the pipeline 2 are connected can be adjusted according to the length of the pipeline 2; the phenomenon that the connector 1 cannot be assembled due to the pipeline 2 being too short or too long is avoided; if the pipeline 2 drives the plurality of locking protrusions 6 to rotate into the locking grooves 5, the connector 1 and the pipeline 2 are locked, and the movement of the connector 1 and the pipeline 2 in the opposite direction is limited.
[0023] A limiting ring 7 is sleeved on the outer surface of the pipeline 2, and a plurality of bolts 8 are fixed on one end of the limiting ring 7 along the circumferential direction, and the plurality of bolts 8 are respectively matched with the plurality of adjusting grooves 4; after the locking protrusions 6 on the outer surface of the pipeline 2 rotate into the locking grooves 5, the limiting ring 7 moves, the limiting ring 7 drives the plurality of bolts 8 to move and extend into the adjusting grooves 4, the side of the bolt 8 abuts against the locking protrusion 6, the rotation of the connector 1 and the pipeline 2 in the opposite direction is limited, and the phenomenon that the connector 1 and the pipeline 2 fall off during the conveying of liquid or gas by the pipeline 2 is prevented.
[0024] A locking piece 3 is arranged at the connection between the connector 1 and the pipeline 2; in detail: the locking piece 3 comprises a threaded sleeve 301 sleeved on the pipeline 2, and an annular protrusion 302 is fixed on the end of the threaded sleeve 301 away from the connector 1; it should be noted that the diameter of the annular protrusion 302 is greater than the outer diameter of the limiting ring 7; if the threaded sleeve 301 drives the annular protrusion 302 to move towards the connector 1, the limiting ring 7 can be pressed, and the phenomenon that the plurality of bolts 8 on one end of the limiting ring 7 are separated from the adjusting grooves 4 is prevented; one end of the connector 1 is provided with a mounting groove 101; when the threaded sleeve 301 contacts the mounting groove 101, the threaded sleeve 301 is rotated, so that the threaded sleeve 301 and the mounting groove 101 can be threadedly connected, and the connector 1 and the pipeline 2 are further fastened;
[0025] The sealing ring 11 is extruded between the limiting ring 7 and the connecting head 1 and the annular protrusion 302, and the sealing ring 11 is arranged to play a sealing role; when the pipeline 2 is used to transport gas or liquid, the connecting head 1 and the pipeline 2 are prevented from being connected to cause gas leakage
[0026] During the process of connecting the connecting head 1 and the pipeline 2, first, the limiting ring 7, the two sealing rings 9 and the locking part 3 are pre-assembled on the pipeline 2, and the assembly sequence is as shown in Figure 2 Second, the plurality of locking protrusions 6 on the outer surface of the pipeline 2 are respectively inserted into the inside of the adjusting groove 4, the length of the pipeline 2 can be adjusted to connect the area of the connecting head 1 and the pipeline 2; then the connecting head 1 or the pipeline 2 is rotated, so that the locking protrusions 6 can be rotated into the inside of the locking groove 5, thereby playing a limiting role of the connecting head 1 and the pipeline 2, limiting the connecting head 1 and the pipeline 2 to move in the opposite direction, and then driving the limiting ring 7 to move, the plurality of pins 8 at one end of the limiting ring 7 can be inserted into the inside of the adjusting groove 4 and abut against the locking protrusions 6, limiting the connecting head 1 and the pipeline 2 to rotate in the opposite direction; finally, the threaded sleeve 301 is moved towards the connecting head 1, the annular protrusion 302 is moved by the threaded sleeve 301 and pressure is applied to the limiting ring 7, if the threaded sleeve 301 is connected with the installation groove 101, the threaded sleeve 301 is screwed to be screwed with the installation groove 101, thereby playing a fastening role.
Claims
1. A coaxial reducing connector, comprising a connector (1), wherein the two ends of the connector (1) are provided with interfaces of different diameters; a pipe (2) is respectively provided at the interface of the connector (1), and a locking element (3) is provided at the connection between the connector (1) and the pipe (2), characterized in that: The interface of the connecting head (1) is provided with an adjusting groove (4) in the axial direction, and a plurality of locking grooves (5) are formed on one side of the adjusting groove (4); the end of the pipeline (2) is fixed with a locking protrusion (6) used in cooperation with the adjusting groove (4) and the locking groove (5); when the locking protrusion (6) is located in the adjusting groove (4), the length of the connection between the connecting head (1) and the pipeline (2) is adjusted; when the locking protrusion (6) is located in the locking groove (5), the connecting head (1) and the pipeline (2) are locked.
2. A coaxial connector as claimed in claim 1, characterised in that: The locking member (3) comprises a threaded sleeve (301), and one end of the threaded sleeve (301) is threadedly connected with the end of the connecting head (1); the other end of the threaded sleeve (301) is fixed with an annular protrusion (302).
3. A coaxial connector as claimed in claim 2, wherein: The annular protrusion (302) and the connecting head (1) are provided with a limiting ring (7) sleeved on the pipeline (2), and the outer diameter of the limiting ring (7) is greater than the hole diameter of the annular protrusion (302); one end of the limiting ring (7) is fixed with a bolt (8) extending into the adjusting groove (4).
4. A coaxial connector as claimed in claim 3, wherein: The limiting ring (7) and the connecting head (1) and the pipeline (2) are respectively provided with a sealing ring (9) sleeved on the pipeline (2).