Quick-change connector convenient to disassemble

Abstract

The quick-change connector convenient to disassemble comprises an elbow joint, a quick-change head is arranged at one end of the elbow joint, a hexagonal ring is arranged on the outer side of the other end of the elbow joint in a sleeved mode, a power assisting component is arranged on the edge side of the top of the hexagonal ring and comprises a fixing clamping groove formed in the top of the hexagonal ring, and a telescopic part is arranged in an inner cavity of the fixing clamping groove. Fixed parts are symmetrically arranged on the outer side of the fixed clamping groove, and each telescopic part comprises a sleeve and a movable rod; according to the utility model, the top of the hexagonal ring of the elbow joint is provided with the power-assisted component for assisting the elbow joint in rotating and fixing, so that an operator can unfold the elbow joint by utilizing the telescopic part hinged with the inner cavity of the fixed clamping groove in the power-assisted component, and rotate the elbow joint by utilizing the sleeve and the movable rod in the telescopic part; and the telescopic part is limited by the fixing part arranged on the outer side of the fixing clamping groove, and by means of the design, installation personnel can conveniently rotate and disassemble the elbow joint when the outer side of the hexagonal ring is damaged due to thread slipping and cannot be disassembled through a wrench.

Description

Technical Field

[0001] The utility model relates to the technical field of quick-change joints, in particular to a quick-change joint which is easy to disassemble. Background Art

[0002] The air pipe quick connector is a connection accessory used for pneumatic tools and equipment. It connects or disconnects the air circuit by a quick plug-in and pull-out method, which greatly facilitates the installation, maintenance and operation of the pneumatic system. According to the structural form, it can be divided into right-angle, three-way, multi-tube docking, etc., wherein a hexagonal ring is sleeved on one end of the bottom of the right-angle connector, so that the installer can use a wrench and the hexagonal ring to rotate and fix the thread of the right-angle connector. However, after multiple rotations and uses, the hexagonal edge of the existing hexagonal ring is prone to wear, resulting in thread slippage during the contact and rotation of the wrench and the hexagonal ring, affecting the installation and disassembly of the quick-change connector. In order to solve this problem, a new type of quick-change connector that is easy to disassemble is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a quick-change connector that is easy to disassemble, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-change connector that is easy to disassemble, including an elbow connector, a quick-change head is provided at one end of the elbow connector, a hexagonal ring for rotating and fixing the elbow connector is sleeved on the outer side of the other end of the elbow connector, and an assisting component for assisting the rotation and disassembly of the elbow connector is provided on the top side of the hexagonal ring, the assisting component includes a fixed slot provided on the top of the hexagonal ring, the inner cavity of the fixed slot is provided with a telescopic part for assisting in pushing the hexagonal ring, and a fixing part for fixing the telescopic part is symmetrically provided on the outer side of the fixed slot, and the telescopic part includes a sleeve and a movable rod.

[0005] Preferably, the bottom end of the sleeve is hinged to the inner wall of the fixed slot, the movable rod is inserted and connected to the middle part of the sleeve, and a limiting member for preventing the movable rod from moving and falling off is provided inside the sleeve.

[0006] Preferably, the limiting member comprises a rubber block arranged at the end of the movable rod, and the rubber block is used to increase the friction between the sleeve and the movable rod.

[0007] Preferably, the fixing part includes a sleeve, the end of the sleeve is threadedly inserted and connected to the side of the fixed slot, the inner cavity of the sleeve is provided with an elastic block, the elastic block is provided with a movable plate on the side close to the movable rod, and the side of the movable plate is provided with a locking protrusion for inserting and fixing the side of the sleeve.

[0008] Preferably, a limiting plate for fixing the movable plate is provided on the inner wall of the sleeve and located on the outer side of the locking protrusion.

[0009] Preferably, the end of the locking protrusion is configured to be hemispherical.

[0010] Preferably, the sleeve side is symmetrically provided with hemispherical grooves for the locking protrusions to penetrate.

[0011] Preferably, a cylindrical protrusion is provided at the hinge between the sleeve and the fixed slot, and the cylindrical protrusion is inserted and connected to the inner wall of the fixed slot.

[0012] Technical effects and advantages of the utility model:

[0013] The utility model provides an assisting member for assisting the rotation and fixing of the elbow joint at the top of the hexagonal ring of the elbow joint. The operator uses the telescopic part hinged in the inner cavity of the fixed card slot in the assisting member to unfold it, and uses the sleeve and the movable rod in the telescopic part to rotate the elbow joint. The fixed part arranged on the outer side of the fixed card slot limits the telescopic part. This design is convenient for the installer to rotate and disassemble the elbow joint when the outer side of the hexagonal ring is damaged by thread slippage and cannot be disassembled with a wrench. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is one of the overall structural diagrams of the utility model.

[0015] Figure 2 The second schematic diagram of the overall structure of the utility model.

[0016] Figure 3 The third is a schematic diagram of the overall structure of the utility model.

[0017] Figure 4 It is a side sectional view of the power assisting component of the utility model.

[0018] Figure 5 It is a front cross-sectional view of the power-assisting component of the utility model.

[0019] In the figure: 1. elbow joint; 2. quick-change head; 3. hexagonal ring; 4. fixed slot; 5. telescopic part; 501. sleeve; 5011. hemispherical groove; 5012. cylindrical protrusion; 502. movable rod; 5021. rubber block; 6. fixed part; 601. sleeve; 602. elastic block; 603. movable plate; 604. locking protrusion; 605. limit plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides Figure 1-5 The quick-change joint shown is easy to disassemble, comprising an elbow joint 1, a quick-change head 2 is arranged at one end of the elbow joint 1, and a hexagonal ring 3 for rotating and fixing the elbow joint 1 is sleeved on the outer side of the other end of the elbow joint 1;

[0022] It should be noted that the hexagonal ring 3 is fixed to the outer side of the elbow joint 1 by welding, and the whole formed by the elbow joint 1 and the quick-change head 2 refers to the working principle of the PL4-01 trachea quick connector;

[0023] The top side of the hexagonal ring 3 is provided with a power-assisting member for assisting the elbow joint 1 in rotating and disassembling;

[0024] Specifically, the assisting member includes a fixed card slot 4 arranged at the top of the hexagonal ring 3, and the inner cavity of the fixed card slot 4 is provided with a telescopic portion 5 for assisting in pushing the hexagonal ring 3;

[0025] Specifically, the telescopic portion 5 includes a sleeve 501 and a movable rod 502. The bottom end of the sleeve 501 is hinged to the inner wall of the fixed slot 4, and the movable rod 502 is inserted and connected to the middle of the sleeve 501.

[0026] It should be noted that the fixed slot 4 and the hexagonal ring 3 are fixed by welding, and a cylindrical protrusion 5012 is provided at the hinge between the sleeve 501 and the fixed slot 4. The cylindrical protrusion 5012 is inserted and connected to the inner wall of the fixed slot 4. The inner wall of the fixed slot 4 is provided with a cylindrical groove for the cylindrical protrusion 5012 to be inserted. The cylindrical protrusion 5012 is fixed to the outer side of the sleeve 501 by welding, so that the sleeve 501 can drive the cylindrical protrusion 5012 to rotate in the cylindrical groove.

[0027] A stopper is provided inside the sleeve 501 to prevent the movable rod 502 from moving and falling off;

[0028] Specifically, the limiting member includes a rubber block 5021 disposed at the end of the movable rod 502, and the rubber block 5021 is used to increase the friction between the sleeve 501 and the movable rod 502;

[0029] It should be noted that the rubber block 5021 and the end of the movable rod 502 are bonded by glue, and the rubber block 5021 rubs against the inner wall of the sleeve 501, so as to limit the insertion and movement of the movable rod 502 in the sleeve 501;

[0030] A fixing portion 6 for fixing the telescopic portion 5 is symmetrically arranged on the outer side of the fixing slot 4.

[0031] Specifically, the fixing portion 6 includes a sleeve 601, the end of the sleeve 601 is threadedly inserted and connected to the side of the fixing slot 4, the inner cavity of the sleeve 601 is provided with an elastic block 602, and the elastic block 602 is provided with a movable plate 603 on one side close to the movable rod 502, and the side of the movable plate 603 is provided with a locking protrusion 604 for inserting and fixing the side of the sleeve 501;

[0032] It should be noted that the outer side of the end of the sleeve 601 is provided with a thread, the side of the fixed slot 4 is provided with a threaded hole for the sleeve 601 to be inserted correspondingly, the elastic block 602 is made of silicone, and the movable plate 603 and the locking protrusion 604 are fixed by welding;

[0033] Specifically, a limiting plate 605 for fixing the movable plate 603 is provided on the inner wall of the sleeve 601 and outside the locking protrusion 604;

[0034] It should be noted that a cylindrical hole for the locking protrusion 604 to penetrate is provided in the middle of the limiting plate 605, the outer side of the limiting plate 605 is bonded to the inner wall of the sleeve 601 by glue, the end of the locking protrusion 604 is set to be hemispherical, and the side of the sleeve 501 is symmetrically provided with a hemispherical groove 5011 for the locking protrusion 604 to penetrate;

[0035] Specifically, the provision of the hemispherical groove 5011 facilitates the insertion and extrusion of the locking protrusion 604;

[0036] In actual use, an assisting component for assisting the rotation and fixation of the elbow joint 1 is provided on the top of the hexagonal ring 3 of the elbow joint 1. The operator uses the telescopic part 5 hinged on the inner cavity of the fixed slot 4 in the assisting component to rotate and disengage the sleeve 501 from the inner cavity of the fixed slot 4, stretch the movable rod 502, push the sleeve 501 and the movable rod 502, and rotate the elbow joint 1. The fixing part 6 provided on the outer side of the fixed slot 4 limits the sleeve 501. This design makes it easy for the installer to rotate and disassemble the elbow joint 1 when the outer side of the hexagonal ring 3 is damaged by thread slippage and cannot be disassembled with a wrench.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A quick-change joint that is easy to disassemble, comprising an elbow joint (1), one end of the elbow joint (1) is provided with a quick-change head (2), and the other end of the elbow joint (1) is sleeved with a hexagonal ring (3) for rotating and fixing the elbow joint (1), characterized in that: The top side of the hexagonal ring (3) is provided with an assisting member for assisting the rotation and disassembly of the elbow joint (1), the assisting member comprises a fixed slot (4) arranged at the top of the hexagonal ring (3), the inner cavity of the fixed slot (4) is provided with a telescopic part (5) for assisting in pushing the hexagonal ring (3), the outer side of the fixed slot (4) is symmetrically provided with a fixing part (6) for fixing the telescopic part (5), and the telescopic part (5) comprises a sleeve (501) and a movable rod (502).

2. The easy-to-disassemble quick-change connector according to claim 1, characterized in that: The bottom end of the sleeve (501) is hinged to the inner wall of the fixed slot (4), the movable rod (502) is inserted and connected to the middle part of the sleeve (501), and a limiting member for preventing the movable rod (502) from moving and falling off is arranged inside the sleeve (501).

3. The quick-change connector that is easy to disassemble according to claim 2, characterized in that: The limiting member comprises a rubber block (5021) arranged at the end of the movable rod (502), and the rubber block (5021) is used to increase the friction force between the sleeve (501) and the movable rod (502).

4. The easy-to-disassemble quick-change connector according to claim 1, characterized in that: The fixing portion (6) comprises a sleeve (601), the end of which is threadedly inserted and connected to the side of the fixing slot (4), the inner cavity of the sleeve (601) is provided with an elastic block (602), a movable plate (603) is provided on the side of the elastic block (602) close to the movable rod (502), and a locking protrusion (604) for inserting and fixing the side of the sleeve (501) is provided on the side of the movable plate (603).

5. The easy-to-disassemble quick-change connector according to claim 4, characterized in that: A limiting plate (605) for fixing the movable plate (603) is provided on the inner wall of the sleeve (601) and located outside the locking protrusion (604).

6. The easy-to-disassemble quick-change connector according to claim 4, characterized in that: The end of the locking protrusion (604) is configured to be hemispherical.

7. The easy-to-disassemble quick-change connector according to claim 4, characterized in that: The sleeve (501) is symmetrically provided with a hemispherical groove (5011) for the locking protrusion (604) to penetrate.

8. The easy-to-disassemble quick-change connector according to claim 2, characterized in that: A cylindrical protrusion (5012) is provided at the hinged portion between the sleeve (501) and the fixed slot (4), and the cylindrical protrusion (5012) is inserted and connected to the inner wall of the fixed slot (4).

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