CN210087770U - Centering bending-resistant pipe connector - Google Patents
Centering bending-resistant pipe connector Download PDFInfo
- Publication number
- CN210087770U CN210087770U CN201920841697.3U CN201920841697U CN210087770U CN 210087770 U CN210087770 U CN 210087770U CN 201920841697 U CN201920841697 U CN 201920841697U CN 210087770 U CN210087770 U CN 210087770U
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- China
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- elastic locking
- locking sleeve
- bending
- pipe fitting
- pipe
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Abstract
The utility model relates to the field of pipe connection, in particular to a butt-joint bending-resistant pipe connecting device, which comprises an elastic locking sleeve and a fastening flange, wherein a plurality of strip-shaped openings are respectively arranged on the ports at the two sides of the elastic locking sleeve; the first pipe fitting and the second pipe fitting are connected together through an elastic locking sleeve, two ends of the elastic locking sleeve are respectively provided with a fastening flange, and the two fastening flanges are connected through a bolt; the centering bending-resistant pipe connector can realize good connection and torque transmission between pipe fittings; the problem of the manufacturing that causes because the pipe fitting overlength in the transmission process of big span and the transmission pipe fitting deformation problem that harmomegathus produced is solved, in addition, still solved because the transmission pipe fitting overlength causes the deflection bending in the direction of gravity serious, make the sprocket or the gear at both ends produce the problem of beating or chain dropping etc..
Description
Technical Field
The utility model relates to a pipe connection field particularly, relates to a butt joint bending resistance hickey.
Background
At present, large-span transmission is often encountered in specific production, a mechanism with sprockets or gears at two ends to synchronously operate is required, the sprockets or gears at two ends to synchronously operate is required to be provided with a transmission shaft to penetrate through the transmission shaft, the transmission shaft is applied to large-span rotation, a support is not allowed to be used in the middle, if a solid shaft is selected as the transmission shaft, the rigidity cannot be enhanced, and bending caused by gravity is more serious, so that only steel pipes with proper diameters and proper wall thicknesses can be selected, and practice proves that after a period of use, the transmission shaft of the steel pipes can inevitably generate stress and bending deformation of the gravity, the sprockets or gears at two ends of the transmission shaft can jump or be out of chain, and finally, the equipment can not be continuously used. For example: the problems of the slag scraping mechanism on the large-scale air flotation machine, the oil scraping mechanism in the oil separation tank, the mud scraping mechanism of the sedimentation tank and the like exist.
In spite of the existing domestic and foreign equipment, the method for treating the problems is to select a steel pipe with large diameter and large wall thickness; and secondly, a sliding support is adopted as a support. None of the above solutions solves the problem fundamentally. The steel pipe with large diameter and large wall thickness not only increases the production cost and the processing difficulty, but also can not lead the equipment to achieve the due service life; the use of a movable stand increases the complexity of the installation of the equipment and the transmission effect may be affected by the instability of the movable stand.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a butt-joint bending-resistant pipe connecting device, in order to solve the problem that in the existing large-span transmission process, the length of the transmission pipe causes the difficulty in processing, the length of the pipe is serious because the expansion and contraction problem is easy to generate the deformation, the deflection of the transmission pipe in the gravity direction is serious, so that the chain wheel or the gear at both ends of the transmission shaft is jumped or out of the chain, and the transmission accuracy is affected.
In order to achieve the above object, the utility model adopts the following technical scheme:
a centering bending-resistant pipe connector comprises an elastic locking sleeve and a fastening flange, wherein a plurality of strip-shaped openings are respectively formed in two side ports of the elastic locking sleeve; the first pipe fitting and the second pipe fitting are connected together through the elastic locking sleeve, the fastening flanges are respectively installed at two ends of the elastic locking sleeve, and the two fastening flanges are connected through bolts.
Furthermore, the outer wall of the elastic locking sleeve is provided with a taper, and the diameter of the outer wall is gradually reduced from the middle to two ends.
Furthermore, the mounting hole of the fastening flange has a certain taper, and the taper is consistent with the taper of the outer wall of the elastic locking sleeve.
Furthermore, the tail end of the gap is provided with a circular hole.
Furthermore, four openings are respectively arranged on the ports at the two sides of the elastic locking sleeve.
Furthermore, the maximum diameter of the outer wall of the elastic locking sleeve is larger than the maximum inner diameter of the mounting hole of the fastening flange.
Furthermore, the taper of the outer wall of the elastic locking sleeve is 4-12 degrees.
Furthermore, the material of the elastic locking sleeve is 65Mn, and the quenching hardness is HRC 45-55.
The utility model discloses following beneficial effect has:
(1) the centering bending-resistant pipe connecting device is simple in structure and convenient to install, and expansion and contraction joints are reserved in the middle of the pipe connecting device when two pipe fittings are connected, so that deformation caused by expansion and contraction is effectively removed; the elastic locking sleeve is provided with the notch, so that two ends of the elastic locking sleeve can be adjusted in the radial direction, two pipe fittings are directly connected together through the fastening fit of the fastening flange, the operation is simple, and the connecting effect is good;
(2) the outer wall of the elastic locking sleeve is provided with a taper, the taper of the mounting hole of the fastening flange is consistent with that of the outer wall, the fastening flanges are connected through bolts, and axial force is converted into a part of radial force through the taper, so that the elastic locking sleeve is pressed on the pipe fittings to realize the connection between the pipe fittings;
(3) the tail end of the opening on the elastic locking sleeve is provided with the round hole, so that the problem of stress concentration in the installation process can be effectively avoided, the strength of the elastic locking sleeve is increased, and the service life of the elastic locking sleeve is prolonged.
Drawings
FIG. 1 is a schematic view of the present invention in use;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 is a schematic view of the structure of the elastic locking sleeve;
FIG. 4 is a schematic view of a hold-down flange configuration;
FIG. 5 is a cross-sectional view of a hold-down flange;
wherein the figures include the following reference numerals: 1. a first pipe member; 2. an elastic locking sleeve; 21. opening the gap; 22. a circular hole; 3. fastening a flange; 31. mounting holes; 4. a bolt; 5. a second pipe.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-5, the centering bending-resistant pipe connector of the present invention comprises an elastic locking sleeve 2 and a fastening flange 3, wherein the elastic locking sleeve is cylindrical, the outer wall has a taper, and the diameter of the outer wall is gradually reduced from the middle to the two ends; the fastening flanges are respectively arranged at two ends of the elastic locking sleeve, the mounting hole 31 in the middle of the fastening flange has a certain taper, the taper is consistent with that of the outer wall of the elastic locking sleeve, and the effect is optimal when the taper of the outer wall of the elastic locking sleeve is 4-12 degrees; the elastic locking sleeve and the fastening flange have diameter changes, so that the bending of the steel pipe in the vertical direction can be effectively overcome, and the bending strength of the joint is increased.
The maximum diameter of the outer wall of the elastic locking sleeve is larger than the maximum inner diameter of the fastening flange, the fastening flanges on the two sides are connected through the bolts 4, the mounting position of the fastening flange is closer to the middle of the elastic locking sleeve, the radial pressure on the elastic locking sleeve is larger, and therefore the elastic locking sleeve can be tightly pressed on a pipe fitting by adjusting the mounting distance of the two fastening flanges.
The material of the elastic locking sleeve is 65Mn, the quenching hardness is HRC 45-55, and the size of the elastic locking sleeve and the size of the fastening flange are determined according to the size of a pipe fitting to be connected, the size of a dynamic load borne by the pipe fitting and the like.
The end ports of two sides of the elastic locking sleeve are respectively provided with four strip-shaped openings 21, the tail ends of the openings are provided with circular holes 22, two ends of the elastic locking sleeve can have a certain radial adjusting range in the process of fastening the flange, and the elastic locking sleeve shell between the openings is pressed against the pipe fitting under the action of the fastening flange; the circular port can avoid producing stress concentration phenomenon at the in-process opening that compresses tightly, increases the bulk strength and the life of elasticity lock sleeve.
During installation, the fastening flange is placed at the connecting end part of the first pipe fitting 1 and the second pipe fitting 5, then the first pipe fitting and the second pipe fitting are respectively arranged in the elastic locking sleeves, and an installation gap of 2-4 mm is reserved between the first pipe fitting and the second pipe fitting, so that deformation caused by expansion and contraction can be conveniently removed; the fastening flange that will be located first pipe fitting and second pipe fitting link overlaps on the elasticity lock sleeve, and the symmetry is drawn close toward the elasticity lock sleeve centre, and is fixed with two fastening flange connections through the bolt, and the horizontal fastening force between two fastening flanges truns into the packing force of elasticity lock sleeve to first pipe fitting and second pipe fitting through the tapering of fastening flange and elasticity lock sleeve, with two pipe fitting zonulae occludens.
The centering bending-resistant pipe connector can realize good connection and torque transmission between pipe fittings; the problem of the processing manufacturing that causes because the pipe fitting overlength in the transmission process of big span and the pipe fitting deformation problem that harmomegathus produced is solved, in addition, still avoided the pipe fitting that the transmission pipe fitting overlength caused to warp in the direction of gravity bending seriously, the problem that the sprocket or the gear at pipe fitting both ends produce and beat or take off the chain etc..
In the description of the present invention, it should be noted that the terms "front end", "rear end", "left and right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "communicating" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Of course, the above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the embodiments of the present invention. The present invention is not limited to the above examples, and the technical field of the present invention is equivalent to the changes and improvements made in the actual range of the present invention, which should be attributed to the patent coverage of the present invention.
Claims (8)
1. The centering bending-resistant pipe connecting device is characterized by comprising an elastic locking sleeve (2) and a fastening flange (3), wherein a plurality of strip-shaped openings (21) are respectively formed in two side ports of the elastic locking sleeve (2); the first pipe fitting (1) and the second pipe fitting (5) are connected together through the elastic locking sleeve (2), the fastening flanges (3) are installed at the two ends of the elastic locking sleeve (2) respectively, and the two fastening flanges (3) are connected through the bolts (4).
2. Centering kink-resistant pipe adaptor according to claim 1, characterized in that the outer wall of the elastic locking sleeve (2) is tapered, the diameter of the outer wall decreasing from the middle to the ends.
3. Centering and bending-resistant pipe adaptor according to claim 2, characterized in that the mounting hole (31) of the fastening flange (3) is tapered in a size corresponding to the taper of the outer wall of the elastic locking sleeve (2).
4. The centering bending-resistant pipe adaptor according to claim 1, wherein the end of the breach (21) is provided with a circular hole (22).
5. The centering bending-resistant pipe adaptor as claimed in claim 1, wherein the elastic locking sleeve (2) has four notches (21) at its two side ends.
6. A central bending-resistant pipe adaptor according to claim 3, wherein the maximum diameter of the outer wall of the elastic locking sleeve (2) is larger than the maximum inner diameter of the mounting hole (31) of the fastening flange (3).
7. The centering bending-resistant pipe adaptor according to claim 2 or 3, wherein the taper of the outer wall of the elastic locking sleeve (2) is 4-12 degrees.
8. The centering bending-resistant pipe adaptor as claimed in claim 1, wherein the material of the elastic locking sleeve (2) is 65Mn, and the quenching hardness is HRC 45-55.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920841697.3U CN210087770U (en) | 2019-06-04 | 2019-06-04 | Centering bending-resistant pipe connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920841697.3U CN210087770U (en) | 2019-06-04 | 2019-06-04 | Centering bending-resistant pipe connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087770U true CN210087770U (en) | 2020-02-18 |
Family
ID=69481665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920841697.3U Expired - Fee Related CN210087770U (en) | 2019-06-04 | 2019-06-04 | Centering bending-resistant pipe connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087770U (en) |
-
2019
- 2019-06-04 CN CN201920841697.3U patent/CN210087770U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 Termination date: 20210604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |