Double-cutting-sleeve corner joint

Abstract

The utility model relates to the technical field of pipe joints, and discloses a double-ferrule angle joint which comprises a main nut, limiting assemblies are arranged on the inner sides of the front face and the back face of the main nut, the limiting assemblies are used for improving the installation stability, and a positioning assembly is arranged on the outer side of the end of the main nut. The positioning assembly is used for limiting the nut structure from falling off, the limiting assembly comprises a front clamping sleeve, and a rear clamping sleeve is arranged on the inner side of the front clamping sleeve. According to the double-clamping-sleeve angle-through connector, the limiting assembly is installed, the splicing groove is formed in the inner side of the front clamping sleeve, the combined splicing effect can be achieved, then the splicing block can be correspondingly inserted into the inner side of the splicing groove, the positions of the front clamping sleeve and the rear clamping sleeve can be effectively limited after insertion, the limiting state can be kept during extrusion, and therefore the double-clamping-sleeve angle-through connector is convenient to use. And the problem that the locking effect and the sealing performance are influenced by non-uniform extrusion caused by incomplete alignment during installation is effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe joints, in particular to a double-ferrule angle joint. Background Art

[0002] Pipe fittings are usually used to connect the joint structure to the pipeline. The front and rear ferrules are pushed to extrude the pipeline by screw sleeve extrusion, and the extrusion method is used to maintain the connection and sealing.

[0003] In the prior art, when in use, the ferrule structure of the existing double-ferrule angle joint is divided into a front ferrule and a rear ferrule, but the problem of unevenness is easily caused when squeezing between the ferrule structures. Utility Model Content

[0004] The purpose of the present utility model is to provide a double ferrule angle joint to solve the problem that the ferrule structure of the existing double ferrule angle joint in the above background technology is divided into a front ferrule and a rear ferrule, but unevenness is easily caused when squeezing between the ferrule structures. The sealing of the installation can be improved by setting a limiting component.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a double-ferrule angle joint, comprising a main nut, wherein limit assemblies are provided on the inner sides of the front and back sides of the main nut, and the limit assemblies are used to increase the stability of the installation, and a positioning assembly is provided on the outer side of the end of the main nut, and the positioning assembly is used to prevent the nut structure from falling off;

[0006] The limiting assembly includes a front ferrule, and a rear ferrule is provided on the inner side of the front ferrule, and splicing blocks are installed on the back sides of both ends of the rear ferrule, and the splicing blocks are located on the inner side of the front ferrule;

[0007] The positioning assembly includes a ferrule nut, and a support spring is provided on the outside of the ferrule nut, an adjustment ring is provided on one side of the support spring, and eight groups of splicing columns are installed at one end of the inner side of the adjustment ring, and the splicing columns are located on the front and back of the inner side of the main nut.

[0008] Preferably, a main joint is installed on the outside of the main nut, and eight groups of positioning holes are opened on the front and back of the main nut, and the positioning holes are located on the outside of the splicing column.

[0009] Preferably, fixing screw heads are installed on the front and back sides of the inner side of the main nut, and the fixing screw heads are located on the outer side of the front ferrule.

[0010] Preferably, splicing grooves are provided on the inner sides of both ends of the front ferrule, and the splicing grooves are located on the outer sides of the splicing blocks.

[0011] Preferably, a thread groove is provided on the inner side of the ferrule nut, and the thread groove is located on the outer side of the fixing screw head.

[0012] Preferably, an adjustment groove is provided on the outside of the ferrule nut, and the adjustment groove is located on the outside of the support spring and the adjustment ring, eight groups of sliding grooves are provided on the inside of the adjustment groove, and a pull-out groove is provided on the front of the sliding groove, and the pull-out groove is located on the outside of the splicing column.

[0013] Preferably, eight groups of sliding blocks are installed on the inner side of the adjustment ring, and the sliding blocks are located on the inner side of the sliding grooves, and the sliding blocks are located at one end of the splicing column.

[0014] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0015] 1. The utility model achieves the effect of combined splicing by installing a limiting component and opening a splicing groove on the inner side of the front ferrule. The splicing block can then be inserted into the inner side of the splicing groove accordingly. After insertion, the position of the front ferrule and the rear ferrule can be effectively limited, and the restricted state can be maintained during extrusion, effectively avoiding the problem of uneven extrusion affecting the locking effect and sealing due to incomplete alignment during installation.

[0016] 2. The utility model is equipped with a positioning component, and the existing nut structure is easy to be installed and cause the problem of rotation and falling off. By setting a support spring, the adjusting ring can be pushed outward. After the extension, the splicing column will be inserted into the inner side of the positioning hole. After splicing, the effect of limiting and preventing falling off can be achieved. When installing the ferrule nut, the ferrule nut rotates one circle for one thread of the thread structure. When rotating one thread, you can stop at any time to keep the splicing column inserted into the inside of the positioning hole. Insertion can avoid the problem of the nut rotating and falling off due to vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main nut structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the front ferrule structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the ferrule nut of the utility model;

[0021] Figure 5 This is a schematic diagram of the spliced ​​column structure of the utility model.

[0022] Among them: 1. Main nut; 101. Main joint; 102. Positioning hole; 103. Fixing screw head; 2. Front ferrule; 201. Splicing groove; 202. Rear ferrule; 203. Splicing block; 3. Ferrule nut; 301. Thread groove; 302. Adjustment groove; 303. Sliding groove; 304. Pull-out groove; 4. Splicing column; 401. Adjustment ring; 402. Sliding block; 403. Support spring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5 A double-ferrule angle joint includes a main nut 1. The inner sides of the front and back surfaces of the main nut 1 are provided with limit assemblies, and the limit assemblies are used to increase the stability of the installation. The outer side of the end of the main nut 1 is provided with a positioning assembly, and the positioning assembly is used to limit the nut structure from falling off.

[0025] The limiting assembly includes a front ferrule 2, and a rear ferrule 202 is provided on the inner side of the front ferrule 2. Splicing blocks 203 are installed on the back sides of both ends of the rear ferrule 202, and the splicing blocks 203 are located on the inner side of the front ferrule 2;

[0026] The positioning assembly includes a ferrule nut 3, and a support spring 403 is provided on the outside of the ferrule nut 3, an adjustment ring 401 is provided on one side of the support spring 403, and eight groups of splicing columns 4 are installed at one end of the inner side of the adjustment ring 401, and the splicing columns 4 are located on the front and back of the inner side of the main nut 1.

[0027] Through the above technical solution, the effect of combined splicing can be achieved by opening a splicing groove 201 on the inner side of the front ferrule 2, and then the splicing block 203 can be inserted into the inner side of the splicing groove 201 accordingly. After insertion, the position of the front ferrule 2 and the rear ferrule 202 can be effectively restricted, and the restricted state can be maintained during extrusion, effectively avoiding the problem of uneven extrusion due to incomplete alignment during installation, which affects the locking effect and sealing.

[0028] Through the above technical solution, the adjustment ring 401 can be pushed outward by setting the support spring 403. After the outward extension, the splicing column 4 will be inserted into the inner side of the positioning hole 102. After splicing, the effect of limiting and preventing it from falling off can be achieved. When installing the ferrule nut 3, the ferrule nut 3 rotates one circle for one thread of the thread structure. When rotating one thread, you can stop at any time to keep the splicing column 4 inserted into the positioning hole 102. Insertion can avoid the problem of the nut rotating and falling off due to vibration.

[0029] Specifically, a main joint 101 is installed on the outside of the main nut 1 , and eight groups of positioning holes 102 are opened on the front and back of the main nut 1 , and the positioning holes 102 are located on the outside of the splicing column 4 .

[0030] Through the above technical solution, the main joint 101 can assist in installation, and the positioning hole 102 can be used to provide constraints for the splicing column 4.

[0031] Specifically, fixing screw heads 103 are installed on the front and back sides of the inner side of the main nut 1 , and the fixing screw heads 103 are located on the outer side of the front ferrule 2 .

[0032] Through the above technical solution, the fixing screw head 103 can provide an installation position for the sleeve nut 3.

[0033] Specifically, splicing grooves 201 are opened on the inner sides of both ends of the front ferrule 2, and the splicing grooves 201 are located on the outer sides of the splicing block 203.

[0034] Through the above technical solution, the splicing groove 201 can provide a splicing position for the splicing block 203, which can be combined and restricted after insertion.

[0035] Specifically, a thread groove 301 is formed on the inner side of the ferrule nut 3 , and the thread groove 301 is located on the outer side of the fixing screw head 103 .

[0036] Through the above technical solution, the thread groove 301 is used to be combined with the fixing screw head 103.

[0037] Specifically, an adjustment groove 302 is provided on the outside of the ferrule nut 3, and the adjustment groove 302 is located on the outside of the support spring 403 and the adjustment ring 401, eight groups of sliding grooves 303 are provided on the inside of the adjustment groove 302, and a pull-out groove 304 is provided on the front of the sliding groove 303, and the pull-out groove 304 is located on the outside of the splicing column 4.

[0038] Through the above technical solution, the adjustment groove 302 can provide an installation position for the adjustment ring 401 and the support spring 403. The sliding groove 303 can provide restriction for the sliding block 402 to assist in sliding adjustment, and the pull-out groove 304 can assist in providing restriction for the splicing column 4.

[0039] Specifically, eight groups of sliding blocks 402 are installed on the inner side of the adjustment ring 401 , and the sliding blocks 402 are located on the inner side of the sliding groove 303 , and the sliding blocks 402 are located at one end of the splicing column 4 .

[0040] Through the above technical solution, the sliding block 402 can be slidably adjusted along the inner side of the sliding groove 303 .

[0041] During use, first insert the splicing block 203 into the inner side of the splicing groove 201, then set the front ferrule 2 on the inner side of the fixed screw head 103, and then install the ferrule nut 3 on the outer side of the fixed screw head 103, and then insert the pipe into the interior of the fixed screw head 103, use a wrench to clamp and fix the outer side of the main nut 1, and then push the adjusting ring 401 to compress the support spring 403, and use the limiting structure to insert the limiting adjusting ring 401 inside, and then use another set of wrenches to clamp the outer side of the ferrule nut 3, rotate and control the movement of the ferrule nut 3, and during the movement, the front ferrule 2 and the rear ferrule 202 will be used to extrude and deform the pipe to maintain a fixed seal, and finally rotate to keep the splicing column 4 corresponding to the positioning hole 102. After removing the previous limiting structure, the support spring 403 will push the adjusting ring 401 to move, and the splicing column 4 will be inserted into the inner side of the positioning hole 102.

[0042] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-ferrule angle joint, comprising a main nut (1), characterized in that: The inner sides of the front and back sides of the main nut (1) are provided with limiting components, and the limiting components are used to increase the stability of the installation. The outer sides of the ends of the main nut (1) are provided with positioning components, and the positioning components are used to limit the nut structure from falling off. The limiting assembly includes a front ferrule (2), and a rear ferrule (202) is provided on the inner side of the front ferrule (2), and splicing blocks (203) are installed on the back sides of both ends of the rear ferrule (202), and the splicing blocks (203) are located on the inner side of the front ferrule (2); The positioning assembly comprises a ferrule nut (3), and a support spring (403) is provided on the outside of the ferrule nut (3), an adjustment ring (401) is provided on one side of the support spring (403), and eight groups of splicing columns (4) are installed at one end of the inner side of the adjustment ring (401), and the splicing columns (4) are located on the front and back sides of the inner side of the main nut (1).

2. The double-ferrule angle joint according to claim 1, characterized in that: A main joint (101) is installed on the outside of the main nut (1), and eight groups of positioning holes (102) are opened on the front and back of the main nut (1), and the positioning holes (102) are located on the outside of the splicing column (4).

3. The double-ferrule angle joint according to claim 1, characterized in that: Fixed screw heads (103) are installed on the front and back sides of the inner side of the main nut (1), and the fixed screw heads (103) are located on the outer side of the front ferrule (2).

4. The double-ferrule angle joint according to claim 1, characterized in that: The inner sides of both ends of the front ferrule (2) are provided with splicing grooves (201), and the splicing grooves (201) are located on the outer sides of the splicing blocks (203).

5. The double-ferrule angle joint according to claim 1, characterized in that: A thread groove (301) is provided on the inner side of the sleeve nut (3), and the thread groove (301) is located on the outer side of the fixing screw head (103).

6. The double-ferrule angle joint according to claim 1, characterized in that: An adjustment groove (302) is provided on the outside of the ferrule nut (3), and the adjustment groove (302) is located on the outside of the support spring (403) and the adjustment ring (401); eight groups of sliding grooves (303) are provided on the inside of the adjustment groove (302), and a drawing groove (304) is provided on the front of the sliding groove (303); and the drawing groove (304) is located on the outside of the splicing column (4).

7. The double-ferrule angle joint according to claim 1, characterized in that: Eight groups of sliding blocks (402) are installed on the inner side of the adjusting ring (401), and the sliding blocks (402) are located on the inner side of the sliding groove (303). The sliding blocks (402) are located at one end of the splicing column (4).

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