CN213899522U - Anti-rotation pipe connecting device - Google Patents
Anti-rotation pipe connecting device Download PDFInfo
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- CN213899522U CN213899522U CN202022715722.9U CN202022715722U CN213899522U CN 213899522 U CN213899522 U CN 213899522U CN 202022715722 U CN202022715722 U CN 202022715722U CN 213899522 U CN213899522 U CN 213899522U
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- bolt
- nut
- connecting joint
- boss
- fixed support
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Abstract
The utility model provides a prevent rotatory union coupling device, include: the device comprises a fixed support (1), a connecting joint (2) and a bolt assembly (3); wherein, the round boss of the fixed support (1) is provided with an anti-rotation bulge; the connecting joint (2) is cylindrical, one end of the connecting joint is provided with an anti-rotation recess corresponding to the anti-rotation bulge on the fixed support (1), the other end of the connecting joint is provided with an opening, and a bolt anti-loosening groove is formed between the chord-shaped boss of the connecting joint (2) and the circular boss of the fixed support (1); the bolt assembly (3) includes: the bolt, the first nut and the second nut are sleeved on the bolt, and the second nut is a nut with a self-locking function; the first nut is arranged in the bolt anti-loosening groove, and the second nut is positioned on one side, far away from the metal pipe, of the fixed platform. Simple structure, low in manufacturing cost, accessible adjustment attach fitting's pipe diameter is in order to be suitable for the tubular metal resonator of different diameters, can prevent that attach fitting from taking place circumferential direction and rotating, has guaranteed connecting device's firmness and stability.
Description
Technical Field
The utility model belongs to mechanical structure designs the field, concretely relates to prevent rotatory union coupling device.
Background
When the metal pipe is connected with the platform, a single lug or a fork lug joint is usually installed on the metal pipe, a corresponding lug joint needs to be installed on the platform, and the metal pipe and the platform are connected through bolts.
For metal pipes with different diameters, the pipe joint cannot be used universally, and has a complex structure and high processing cost; in addition, in order to avoid the rotation of the metal pipe, the pipe joint and the platform joint are connected by at least two bolts, and the requirement on the strength of the bolts is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prevent rotation pipe connection device solves the unable general problem of current tubular metal resonator and platform connected mode.
The utility model provides a prevent rotation pipe connection device, include: the device comprises a fixed support 1, a connecting joint 2 and a bolt assembly 3; wherein the content of the first and second substances,
the fixed support 1 comprises a contact surface and a circular boss which are in contact with the fixed platform; the circular boss is arranged on the contact surface, a bolt through hole is formed in the middle of the circular boss, and an anti-rotation bulge is arranged on the circular boss;
the connecting joint 2 is cylindrical, one end of the connecting joint is provided with an anti-rotation recess corresponding to the anti-rotation bulge on the fixed support 1, the other end of the connecting joint is provided with an opening for inserting a metal pipe to be connected, the inner diameter of the connecting joint 2 is matched with the outer diameter of the metal pipe to be connected, a bolt mounting plane is arranged on the pipe wall of the connecting joint 2, and a bolt connecting hole connected with the metal pipe is arranged on the bolt mounting plane; a bolt through hole corresponding to the bolt through hole in the middle of the circular boss of the fixed support 1 is formed in the middle of the string-shaped boss at one end of the connecting joint 2, and a bolt anti-loosening groove is formed between the string-shaped boss of the connecting joint 2 and the circular boss of the fixed support 1;
the bolt assembly 3 includes: the bolt comprises a bolt, a first nut and a second nut, wherein the first nut and the second nut are sleeved on the bolt; the bolt is followed pass in proper order in the tubular metal resonator attach fitting 2 with the bolt clearing hole on fixing support 1 and the fixed platform bolt clearing hole, first nut sets up in the bolt locking inslot, the second nut is located fixed platform keeps away from one side of tubular metal resonator.
Optionally, four bolt mounting planes are symmetrically arranged on the pipe wall of the connecting joint 2.
Optionally, the metal pipe and the connecting joint 2 are connected by a first bolt and a second bolt penetrating through the metal pipe and the connecting joint 2;
the first bolt and the second bolt both pass through the metal pipe axis.
Optionally, the contact surface is provided with a mounting hole, and the contact surface is mounted on the fixed platform by a screw or a rivet passing through the mounting hole.
Optionally, the anti-rotation protrusion of the fixing support 1 is a chord-shaped boss.
Optionally, the second nut is a hexagonal self-locking nut; alternatively, the first and second electrodes may be,
the second nut comprises a locking gasket and a hexagonal nut; alternatively, the first and second electrodes may be,
the second nut includes a slotted nut and a cotter pin.
The utility model provides a prevent rotation pipe connection device, this connecting device simple structure, low in manufacturing cost, accessible adjustment attach fitting's pipe diameter is with the tubular metal resonator that is suitable for different diameters, and the device is inside to have set up the string shape boss moreover, can prevent that attach fitting from taking place rotation in a circumferential direction, has guaranteed connecting device's firmness and stability.
Drawings
FIG. 1 is a schematic structural view of an anti-rotation pipe connection provided by the present invention;
FIG. 2 is an exploded view of the anti-rotation pipe connection provided by the present invention;
FIG. 3 is a top view of the anti-rotation tube connection provided by the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
FIG. 5 is a schematic connection diagram of an anti-rotation pipe connection provided by the present invention;
description of reference numerals:
1-fixed support, 2-connecting joint, 3-bolt component and 4-metal pipe.
Detailed Description
The anti-rotation pipe connection device provided by the present invention will be explained with reference to the accompanying drawings.
Referring to fig. 1 to 5, the present invention provides an anti-rotation pipe connecting device, including: the device comprises a fixed support 1, a connecting joint 2 and a bolt assembly 3;
the bottom of the fixed support 1 is a contact surface with a fixed platform, is provided with a mounting hole and is mounted on the fixed platform through a screw or a rivet; a round boss is arranged on the bottom surface, and a bolt through hole is formed in the middle of the round boss; the top is a string-shaped boss;
the connecting joint 2 is tubular, the inner diameter of the connecting joint is matched with the outer diameter of the metal pipe 4 to be connected, and two groups of bolt mounting holes and bolt mounting planes connected with the metal pipe 4 are arranged on the pipe wall of the connecting joint; the bottom of the bracket is provided with a string-shaped boss corresponding to the fixed support 1, the middle of the boss is provided with a bolt connecting hole, and the inside of the boss is provided with a bolt anti-loosening groove;
the bolt assembly 3 comprises a bolt, a first nut and a second nut, the second nut is a hexagonal self-locking nut, the first nut is a common hexagonal nut and is placed between the fixed support 1 and the connecting joint 2, and the bolt is prevented from falling into a pipe to be connected when the bolt assembly is disassembled; the bolt assembly 3 connects and fixes the fixed support 1 and the connecting joint 2.
Optionally, the second nut includes a lock washer and a hexagon nut; alternatively, the second nut includes a slotted nut and a cotter pin.
The utility model provides a prevent rotation pipe connection device, this connecting device simple structure, low in manufacturing cost, accessible adjustment attach fitting 2's pipe diameter is with the tubular metal resonator 4 that is suitable for different diameters, and the device is inside to have set up string shape boss moreover, can prevent that attach fitting 2 from taking place the rotation in a circumferential direction, has guaranteed connecting device's firmness and stability.
Referring to fig. 5, when the metal pipe 4 is connected, the installation and disassembly steps are as follows:
step 1: the fixed support 1 is arranged on the fixed platform through screws or rivets;
step 2: putting the bolt in the bolt assembly 3 into the connecting joint 2, and locking the bolt by using a first nut (common nut) at the outer end of the connecting joint 2;
and step 3: the connecting joint 2 is connected with the fixed support 1 in a matching mode, the string-shaped bosses are aligned and attached, and the bottom of the fixed support 1 is fixedly connected with a second nut (self-locking nut) in the bolt assembly 3;
and 4, step 4: and (5) putting the pipe fittings to be connected into the connecting joint 2, fixing by using two groups of bolts, and finishing the installation.
The utility model has simple structure, can be suitable for metal pipes with different diameters by adjusting the inner diameter of the connecting joint 2, and has better universality; fixing support 1 and attach fitting 2 have set up the chordal boss that matches, can prevent that attach fitting 2 from taking place the rotation in a circumferential direction, and attach fitting 2 is inside to be set up the recess that prevents 3 not hard up bolt assemblies simultaneously, has all guaranteed connecting device's firmness and stability.
Claims (6)
1. An anti-rotation pipe connection, comprising: the device comprises a fixed support (1), a connecting joint (2) and a bolt assembly (3); wherein the content of the first and second substances,
the fixed support (1) comprises a contact surface and a circular boss, wherein the contact surface is in contact with the fixed platform; the circular boss is arranged on the contact surface, a bolt through hole is formed in the middle of the circular boss, and an anti-rotation bulge is arranged on the circular boss;
the connecting joint (2) is cylindrical, one end of the connecting joint is provided with an anti-rotation recess corresponding to the anti-rotation bulge on the fixed support (1), the other end of the connecting joint is provided with an opening for inserting a metal pipe to be connected, the inner diameter of the connecting joint (2) is matched with the outer diameter of the metal pipe to be connected, a bolt mounting plane is arranged on the pipe wall of the connecting joint (2), and a bolt connecting hole connected with the metal pipe is arranged on the bolt mounting plane; a bolt through hole corresponding to the bolt through hole in the middle of the circular boss of the fixed support (1) is formed in the middle of the string-shaped boss at one end of the connecting joint (2), and a bolt anti-loosening groove is formed between the string-shaped boss of the connecting joint (2) and the circular boss of the fixed support (1);
the bolt assembly (3) includes: the bolt comprises a bolt, a first nut and a second nut, wherein the first nut and the second nut are sleeved on the bolt; the bolt is followed pass in proper order in the tubular metal resonator attach fitting (2) with the bolt clearing hole on fixing support (1) and the fixed platform bolt clearing hole, first nut sets up in the bolt locking groove, the second nut is located fixed platform keeps away from one side of tubular metal resonator.
2. The device according to claim 1, characterized in that four bolt mounting planes are symmetrically arranged on the pipe wall of the connecting joint (2).
3. The device according to claim 2, characterized in that the metal pipe and the connection joint (2) are connected by means of a first and a second bolt passing through the metal pipe and the connection joint (2);
the first bolt and the second bolt both pass through the metal pipe axis.
4. The device of claim 1, wherein the contact surface is provided with mounting holes, and the contact surface is mounted on the fixed platform by screws or rivets passing through the mounting holes.
5. Device according to claim 4, characterized in that the anti-rotation boss of the fixing support (1) is a chordal boss.
6. The device of claim 1, wherein the second nut is a hex self-locking nut; alternatively, the first and second electrodes may be,
the second nut comprises a locking gasket and a hexagonal nut; alternatively, the first and second electrodes may be,
the second nut includes a slotted nut and a cotter pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022715722.9U CN213899522U (en) | 2020-11-20 | 2020-11-20 | Anti-rotation pipe connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022715722.9U CN213899522U (en) | 2020-11-20 | 2020-11-20 | Anti-rotation pipe connecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213899522U true CN213899522U (en) | 2021-08-06 |
Family
ID=77121110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022715722.9U Active CN213899522U (en) | 2020-11-20 | 2020-11-20 | Anti-rotation pipe connecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213899522U (en) |
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2020
- 2020-11-20 CN CN202022715722.9U patent/CN213899522U/en active Active
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