CN210565851U - Special-shaped seamless steel pipe - Google Patents
Special-shaped seamless steel pipe Download PDFInfo
- Publication number
- CN210565851U CN210565851U CN201921464310.3U CN201921464310U CN210565851U CN 210565851 U CN210565851 U CN 210565851U CN 201921464310 U CN201921464310 U CN 201921464310U CN 210565851 U CN210565851 U CN 210565851U
- Authority
- CN
- China
- Prior art keywords
- steel pipe
- seamless steel
- spline
- pipe body
- snap ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a relate to heterotypic seamless steel pipe technical field, specifically be an heterotypic seamless steel pipe, including the seamless steel pipe body, the outer lane end fixing welding of seamless steel pipe body has the round snap ring, and the outer lane department cover of snap ring is equipped with the rubber circle, and the snap ring cover is established in the draw-in groove of rubber circle inner circle department, and the inner circle department end fixing of seamless steel pipe body is provided with four groups and is the spline that circular array form distributes, and the leading flank of spline is provided with the tightening screw, and the tightening screw passes through screw-thread fit connection in the screw hole of side surface before the. The rubber ring is arranged at the outer ring of the seamless steel pipe body, so that the wear resistance is strong, and the service life of the seamless steel pipe body is prolonged; the utility model discloses be provided with the tightening screw of tightening and compress tightly the post on the inside spline of well seamless steel pipe body, the structure is firm in the connection pivot, and is difficult not hard up, has increased the life of equipment.
Description
Technical Field
The utility model relates to a heterotypic seamless steel pipe technical field specifically is a heterotypic seamless steel pipe.
Background
The special-shaped seamless steel tube is made of a whole metal, the surface of the steel tube is not provided with a seam, the defect that an outer ring is easy to wear exists in the actual use process, the connecting structure between the spline and the key groove is easy to shake, the connection is unstable, unbalanced stress exists, the steel tube is easy to damage, and the service life is short.
Therefore, we propose a special-shaped seamless steel pipe to solve the above disadvantages well.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heterotypic seamless steel pipe to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heterotypic seamless steel pipe, includes the seamless steel pipe body, the outer lane end fixing welding of seamless steel pipe body has the round snap ring, the outer lane department cover of snap ring is equipped with the rubber circle, the snap ring cover is established in the draw-in groove of rubber circle inner circle department, the inner circle department end fixing of seamless steel pipe body is provided with four groups and is the spline that circular array form distributes, and the leading flank of spline is provided with the tightening screw, the tightening screw passes through screw-thread fit connection in the screw hole of the side surface before the spline, the rear end intercommunication of screw hole is provided with the movable hole, and the inside equal activity joint in both ends of movable hole has the post that compresses tightly, it is round rod-like structure to compress tightly the post, through spring fixed.
Preferably, the cross-section of snap ring is the trapezium structure, the cross-section of draw-in groove is the trapezium groove body structure, and snap ring and draw-in groove match the setting.
Preferably, the spline is of an arc-shaped strip structure, and the spline is arranged in a front-back direction.
Preferably, the movable hole is transversely arranged in the spline, the movable hole is in a circular hole shape, and the left end and the right end of the movable hole respectively penetrate through the left side surface and the right side surface of the spline.
Preferably, the front surface of one end of the compression column in the middle of the movable hole is provided with an inclined plane, and the end part of one end of the tightening screw in the threaded hole is provided with a contact.
Preferably, the contact-abutting head is of a conical structure, and the contact-abutting head is movably attached to the inclined plane.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the rubber ring is arranged at the outer ring of the seamless steel pipe body, so that the wear resistance is strong, and the service life of the seamless steel pipe body is prolonged;
2. the utility model discloses be provided with the tightening screw of tightening and compress tightly the post on the inside spline of well seamless steel pipe body, the structure is firm in the connection pivot, and is difficult not hard up, has increased the life of equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a side view of the present invention;
3 FIG. 3 4 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 3 3 according 3 to 3 the 3 present 3 invention 3; 3
Fig. 5 is a schematic view of the internal structure of the spline of the present invention.
In the figure: the seamless steel tube comprises a seamless steel tube body 1, a rubber ring 2, a spline 3, a tightening screw 4, a compression column 5, a clamping ring 6, a clamping groove 7, a threaded hole 8, a contact 9, a spring 10, an inclined plane 11 and a movable hole 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the present invention provides a technical solution: a special-shaped seamless steel pipe comprises a seamless steel pipe body 1, wherein a circle of snap ring 6 is fixedly welded at the end part of the outer ring of the seamless steel pipe body 1, the cross section of the snap ring 6 is in a trapezoidal structure, the cross section of a snap groove 7 is in a trapezoidal groove body structure, the snap ring 6 and the snap groove 7 are arranged in a matching manner, a rubber ring 2 is clamped on the snap ring 6 at the outer ring of the seamless steel pipe body 1 through the snap groove 7, the connecting structure is stable, the assembly, disassembly and replacement are convenient, and;
the rubber ring 2 is sleeved at the outer ring of the snap ring 6, the snap ring 6 is sleeved in a clamping groove 7 at the inner ring of the rubber ring 2, four groups of splines 3 distributed in a circular array shape are fixedly arranged at the end part of the inner ring of the seamless steel tube body 1, the splines 3 are in an arc-shaped strip-shaped structure, the splines 3 are arranged in the front-back direction, the structural design is reasonable, the splines can be matched and connected with the key grooves, and transmission when the seamless steel tube body 1 is connected with a rotating shaft is realized;
the front side surface of the spline 3 is provided with a tightening screw 4, the tightening screw 4 is connected in a threaded hole 8 on the front side surface of the spline 3 through thread fit, the rear end of the threaded hole 8 is communicated with a movable hole 12, the movable hole 12 is transversely arranged inside the spline 3, the movable hole 12 is in a circular hole shape, the left end and the right end of the movable hole 12 are respectively arranged by penetrating through the left side surface and the right side surface of the spline 3, the movable hole 12 is installed together with the compression column 5, the compression column 5 can move in the movable hole 12, and smooth installation and compression of the device are realized;
the pressing columns 5 are movably clamped inside two ends of the movable hole 12, the front surface of one end of each pressing column 5 in the middle of the movable hole 12 is provided with an inclined surface 11, one end part of each tightening screw 4 in the threaded hole 8 is provided with a contact 9, each contact 9 is in a conical structure, each contact 9 is movably attached to the inclined surface 11, the structural design of each contact 9 is reasonable, and the inclined surfaces 11 can be pressed when the tightening screws rotate downwards, so that the pressing columns 5 on two sides are pressed towards two sides;
wherein, compressing tightly post 5 and being round rod-shaped structure, through spring 10 fixed connection between two sets of rear ends that compress tightly post 5, spring 10 makes compressing tightly post 5 can resume the normal position and get into movable hole 12 when not contradicted by tightening screw 4, does not influence the connection of pivot.
The working principle is as follows: insert in 1 inner circle department of seamless steel pipe body and have the solid pivot that the outer lane has the keyway, the cooperation is connected between 1 inside spline 3 of epaxial keyway and seamless steel pipe body in the pivot, realize the transmission, rotation adjusting screw 4, adjusting screw 4 inwards moves in screw hole 8, the 9 pressfitting inclined planes 11 of conflict head of 4 tip of adjusting screw, make the post 5 that compresses tightly on both sides move toward both sides, compress tightly on the inner wall of keyway both sides, make the connection structure's between spline 3 and the keyway steadiness reinforcing.
The rubber ring 2 at the outer ring of the seamless steel tube body 1 reduces the abrasion of the contact outside the seamless steel tube body 1.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a heterotypic seamless steel pipe, includes seamless steel pipe body (1), its characterized in that: a circle of snap ring (6) is fixedly welded at the end part of the outer ring of the seamless steel pipe body (1), the outer ring of the snap ring (6) is sleeved with a rubber ring (2), the snap ring (6) is sleeved in a clamping groove (7) at the inner ring of the rubber ring (2), four groups of splines (3) distributed in a circular array shape are fixedly arranged at the end part of the inner ring of the seamless steel pipe body (1), the front side surface of each spline (3) is provided with a tightening screw (4), the tightening screw (4) is connected in a threaded hole (8) on the front side surface of the spline (3) through thread fit, the rear end of the threaded hole (8) is communicated with a movable hole (12), the insides of the two ends of the movable hole (12) are movably clamped with a pressing column (5), the compression columns (5) are of round rod-shaped structures, and the rear ends of the two groups of compression columns (5) are fixedly connected through springs (10).
2. The profiled seamless steel pipe of claim 1, wherein: the cross-section of snap ring (6) is the trapezium structure, the cross-section of draw-in groove (7) is the trapezium groove body structure, and snap ring (6) and draw-in groove (7) match the setting.
3. The profiled seamless steel pipe of claim 1, wherein: the spline (3) is of an arc-shaped strip structure, and the spline (3) is arranged in a front-back direction.
4. The profiled seamless steel pipe of claim 1, wherein: the movable hole (12) is transversely arranged in the spline (3), the movable hole (12) is in a circular hole shape, and the left end and the right end of the movable hole (12) respectively penetrate through the left side surface and the right side surface of the spline (3).
5. The profiled seamless steel pipe of claim 1, wherein: the front surface of one end of the compression column (5) in the middle of the movable hole (12) is provided with an inclined plane (11), and the end part of one end of the tightening screw (4) in the threaded hole (8) is provided with a contact stopper (9).
6. The profiled seamless steel pipe of claim 5, wherein: the contact (9) is in a conical structure, and the contact (9) is movably attached to the inclined plane (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921464310.3U CN210565851U (en) | 2019-09-05 | 2019-09-05 | Special-shaped seamless steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921464310.3U CN210565851U (en) | 2019-09-05 | 2019-09-05 | Special-shaped seamless steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565851U true CN210565851U (en) | 2020-05-19 |
Family
ID=70623145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921464310.3U Active CN210565851U (en) | 2019-09-05 | 2019-09-05 | Special-shaped seamless steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210565851U (en) |
-
2019
- 2019-09-05 CN CN201921464310.3U patent/CN210565851U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3334929A (en) | Tube coupling | |
| CN204018564U (en) | Pipe fitting extension fixture | |
| CN210565851U (en) | Special-shaped seamless steel pipe | |
| CN210305150U (en) | Pipeline rounding device convenient to adjust internal diameter | |
| CN210800362U (en) | Water pipe mounting structure | |
| CN210232819U (en) | Multi-purpose convenient quick detachable adjustable electric power equipment overhauls spanner | |
| CN210068856U (en) | Transmission main shaft with buffer structure | |
| CN215807404U (en) | Convenient monitoring screen support of equipment | |
| CN210686569U (en) | Reverse expansion screw | |
| CN210907392U (en) | Roller with sealing performance | |
| CN211423199U (en) | Mechanical connection axle is with subassembly convenient to fix | |
| CN214248684U (en) | PVC pipe joint | |
| CN213628333U (en) | Seamless plug-in type butt joint steel | |
| CN218267222U (en) | Inverted packing sealing structure | |
| CN214788411U (en) | Seamless pipe with butt joint structure for sharing bicycle | |
| CN215563860U (en) | Threaded steel structure | |
| CN220365201U (en) | Novel taper sleeve locking type connector | |
| CN210106795U (en) | Metal embedded pipeline screw joint | |
| CN216242800U (en) | Quick connection device for building pipeline laying | |
| CN216952112U (en) | High-pressure self-tightening flange for pipeline | |
| CN217482228U (en) | Quick connecting device of pipeline for building engineering | |
| CN109424605B (en) | Steel structure column and I-steel connection structure | |
| CN217461194U (en) | High-strength steel bar straight thread connecting device | |
| CN212776091U (en) | Device for connecting steel pipes | |
| CN215146358U (en) | Spiral strengthening rib welded steel tube structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |