CN2499628Y - Pin shaft type joint - Google Patents
Pin shaft type joint Download PDFInfo
- Publication number
- CN2499628Y CN2499628Y CN 01213174 CN01213174U CN2499628Y CN 2499628 Y CN2499628 Y CN 2499628Y CN 01213174 CN01213174 CN 01213174 CN 01213174 U CN01213174 U CN 01213174U CN 2499628 Y CN2499628 Y CN 2499628Y
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- CN
- China
- Prior art keywords
- pin
- pin shaft
- joint
- shaft hole
- open
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a pin shaft type joint, aiming to overcome the disadvantages that the prior flange type and socket type joints are complex in structure, time and labor consuming to be to assembled and disassembled, heavy in weight and large in volume. The technical solution provided comprises a male joint, a female joint and a pin shaft, wherein the middle part of an outer ring of the male joint is a convex square; an open pin shaft hole is symmetrically arranged on the horizontal plane of the convex square; an open pin shaft hole is also symmetrically arranged on the horizontal plane of a concave square of an inner ring of the female joint; the pin shaft is arranged inside the pin shaft hole formed by connecting a pair of the open pin shaft holes; a cotter pin is arranged on the pin shaft; the connecting part of the rear part of the outer ring of the male joint and the convex square is provided with a limit step. The utility model is suitable for the connection of drilling tools and grouting guide tubes with various applications.
Description
The utility model relates to a kind of pin axle type joint.
The present common joint that has four types, be respectively screw thread formula, clamping-type, flange plate type and socket type, wherein flange plate type and socket type joint all can transmit bigger forward and backward Operating torque and have the better seal performance, but they all exist following shortcoming: complex structure, attaching and time-consuming the taking a lot of work of dismounting, weight is big, and volume is big.
The purpose of this utility model provides a kind of pin axle type joint, overcoming the prior art complex structure, and attaching and time-consuming the taking a lot of work of dismounting, weight is big, bulky shortcoming.
For achieving the above object, technical solution of the present utility model is as follows, a kind of pin axle type joint, comprise female joint 1, tool joint pin 2, seal ring 3, its special way is: also comprise cotter pin 4 and bearing pin 5, front portion, described tool joint pin 2 outer ring is provided with the annular ditch groove 8 of built-in seal ring 3, middle part, tool joint pin 2 outer rings is protruding side, be symmetrically arranged with open pin shaft hole 9 on this position horizontal plane, be symmetrically arranged with open pin shaft hole on the horizontal plane of the recessed quadrate part of female joint 1 inner ring position, bearing pin 5 is arranged in this pin shaft hole, and cotter pin 4 is installed on the bearing pin 5, and tool joint pin rear portion, 2 outer ring and protruding side joint are provided with limited step 7.
Above-mentioned open pin shaft hole 9 cross sections can be semicircle, and the bearing pin of selecting for use 5 is circular bearing pins, and the circular pin axis hole of open formation that pin shaft hole engages is processed simpler.
Above-mentioned open pin shaft hole 9 cross sections can be rectangles, and the bearing pin of selecting for use 5 is rectangle bearing pins, and the circular bearing pin of rectangular pin axial ratio can bear bigger load.
Recessed side in the above-mentioned female joint 1, the protruding side in the tool joint pin 2 are corresponding positive four directions, positive six sides, positive all directions etc., look the torque of required transmission and the size of the interior latus rectum of joint and select for use.
Open pin shaft hole 9 in the above-mentioned tool joint pin 2 can be a pair of.
How right open pin shaft hole 9 in the above-mentioned tool joint pin 2 can be, the time can increase the chance that forms pin shaft hole with female joint 1 in assembling, assemble more conveniently, and often adopts greatly the time at interior latus rectum.
Open pin shaft hole 9 in the above-mentioned female joint 1 can be a pair of.
How right open pin shaft hole 9 in the above-mentioned female joint 1 can be, the time can increase the chance that forms pin shaft holes with tool joint pin 2 in assembling, assemble more conveniently, and often adopts greatly the time at interior latus rectum.
The accompanying drawing drawing is described as follows:
Fig. 1 is the utility model tool joint pin, the structural representation when female joint is assemblied in the steel pipe two ends;
Structural representation when Fig. 2 is the utility model tool joint pin, female joint assembling;
Fig. 3 is the A-A sectional view of Fig. 2.
Description of reference numerals is as follows:
1---female joint, 2---tool joint pin, 3---seal ring, 4---cotter pin, 5---bearing pin, 6---the female joint mounting end, 7---limited step, 8---groove, 9---open pin shaft hole, 10---steel pipe, 11---the dowel screw.
The utility model is described in further detail below in conjunction with accompanying drawing:
Referring to Fig. 1, the utility model comprises female joint 1, tool joint pin 2, seal ring 3, cotter pin 4 and bearing pin 5, said tool joint pin 2 is welded in steel pipe 10 1 ends, female joint 1 is welded in steel pipe 10 the other ends, be provided with tool joint pin 2 in it, front portion, said tool joint pin 2 outer ring is provided with the annular ditch groove 8 of built-in seal ring 3, its rear portion is provided with the limited step 7 that limits female joint mounting end 6 positions, middle part, tool joint pin 2 outer rings is protruding side, it is semicircular open pin shaft hole 9 that the radial symmetric position of this position horizontal plane is provided with a pair cross-section, it is semicircular open pin shaft hole that radial symmetric position on the horizontal plane of the recessed quadrate part of said female joint 1 inner ring position is provided with a pair cross-section, it and the open pin shaft hole 9 of the semicircle that tool joint pin 2 corresponding positions are provided with in it are formed the circular pin axis hole, and bearing pin 5 is arranged in it.When need bore big load, female joint 1 and tool joint pin 2 and steel pipe 10 connection parts also can install dowel screw 11 additional except that welding.
Referring to Fig. 2, female joint 1 is welded in steel pipe 10 1 ends, be provided with tool joint pin 2 in it with 10 welding of another section steel pipe, front portion, said tool joint pin 2 outer ring is provided with the annular ditch groove 8 of built-in seal ring 3, its rear portion is provided with the limited step 7 that limits female joint mounting end 6 positions, middle part, tool joint pin 2 outer rings is protruding side, it is semicircular open pin shaft hole 9 that the radial symmetric position of this position horizontal plane is provided with a pair cross-section, it is semicircular open pin shaft hole that the radial symmetric position of the recessed quadrate part of said female joint 1 inner ring position horizontal plane is provided with a pair cross-section, it and the open pin shaft hole 9 of the semicircle that tool joint pin 2 corresponding positions are provided with in it are formed the circular pin axis hole, and bearing pin 5 is arranged in it.
Referring to Fig. 3, the interior loop-shaped of female joint 1 working surface is shaped as the corresponding positive all directions of size with the outer ring of tool joint pin 2 working surfaces, and said bearing pin 5 is provided with cotter pin 4.
Add man-hour, all there is the coaxality requirement at the position of the relative seal ring in concave, convex position of said female joint and tool joint pin, and the connection part of steel pipe of selecting for use and female joint, tool joint pin also all has the coaxality requirement, guarantees to connect coaxality and satisfies usage requirement.
When conduit connects, place the aperture to maintain static tool joint pin 2, the orientation of open pin shaft hole 9 in the tool joint pin 2 is aimed in the female joint 1 of another secondary conduit, fall to female joint mounting end 6 along the conduit axial direction and withstand limited step 7 places that are provided with in the tool joint pin 2, a pair of open pin shaft hole on female joint this moment 1 inner ring and a pair of open pin shaft hole in the tool joint pin 29 form two complete pin shaft holes, in pin shaft hole, insert circular pin axle 5, load onto cotter pin 4 and promptly finish connection work.
During the conduit dismounting, will tool joint pin 2 place the aperture to maintain static, tear open and take off cotter pin 4, withdraw from circular bearing pin 5, lift another the secondary conduit that links together with female joint 1 and promptly finish dismantlement work.
Compared with prior art, the utility model advantage is as follows:
1, simple and compact for structure, attaching and convenient disassembly, the common laborer only needs a few minutes to finish, Than using traditional jointing can improve work efficiency more than 5 times;
2, product weight is light, and volume is little, can greatly reduce labor strength, reduces workload;
3, axiality is good, can satisfy the use requirement;
4, protruding side's plane torsion pass, bearing pin bears Tensile or Compressive Loading, and torsion pass is born by different parts with load, Long and the convenient disassembly of part life;
5, purposes is extensive, and strong adaptability not only is applicable to heavy caliber, high pulling torque, reverse circulation drilling tool Connection, also be applicable to the connection of basis stake engineering concrete perfusion conduit, also be applicable to other purposes drilling tool and lead The connection of pipe.
Claims (7)
1, a kind of pin axle type joint, comprise tool joint pin (2), female joint (1), seal ring (3), it is characterized in that: also comprise bearing pin (5) and cotter pin (4), described tool joint pin (2) front portion, outer ring is provided with the annular ditch groove (8) of built-in seal ring (3), middle part, tool joint pin (2) outer ring is protruding side, be symmetrically arranged with open pin shaft hole (9) on this position horizontal plane, be symmetrically arranged with open pin shaft hole on the horizontal plane of the recessed quadrate part of female joint (1) inner ring position, bearing pin (5) is arranged in the pin shaft hole, cotter pin (4) is installed on the bearing pin (5), and tool joint pin (2) rear portion, outer ring and protruding side joint are provided with limited step (7).
2, pin axle type joint as claimed in claim 1 is characterized in that: described open pin shaft hole (9) cross section is semicircle, and described bearing pin (5) is circular bearing pin.
3, pin axle type joint as claimed in claim 1 is characterized in that: described open pin shaft hole (9) cross section is a rectangle, and described bearing pin (5) is the rectangle bearing pin.
4, as claim 1 or 2 or 3 described pin axle type joints, it is characterized in that: the open pin shaft hole (9) in the described tool joint pin (2) is a pair of.
5, as claim 1 or 2 or 3 described pin axle type joints, it is characterized in that: how right the open pin shaft hole (9) in the described tool joint pin (2) be.
6, as claim 1 or 2 or 3 described pin axle type joints, it is characterized in that: the open pin shaft hole (9) in the described female joint (1) is a pair of.
7, as claim 1 or 2 or 3 described pin axle type joints, it is characterized in that: how right the open pin shaft hole (9) in the described female joint (1) be.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01213174 CN2499628Y (en) | 2001-04-06 | 2001-04-06 | Pin shaft type joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01213174 CN2499628Y (en) | 2001-04-06 | 2001-04-06 | Pin shaft type joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2499628Y true CN2499628Y (en) | 2002-07-10 |
Family
ID=33632216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01213174 Expired - Fee Related CN2499628Y (en) | 2001-04-06 | 2001-04-06 | Pin shaft type joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2499628Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937370A (en) * | 2016-07-06 | 2016-09-14 | 福建省正丰信息技术发展有限公司 | Bolt type tool joint |
| CN110549810A (en) * | 2018-05-30 | 2019-12-10 | 浙江三花汽车零部件有限公司 | Fluid heat exchange assembly |
-
2001
- 2001-04-06 CN CN 01213174 patent/CN2499628Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105937370A (en) * | 2016-07-06 | 2016-09-14 | 福建省正丰信息技术发展有限公司 | Bolt type tool joint |
| CN105937370B (en) * | 2016-07-06 | 2019-09-17 | 福建省正丰信息技术发展有限公司 | A kind of bolt-type tool joint |
| CN110549810A (en) * | 2018-05-30 | 2019-12-10 | 浙江三花汽车零部件有限公司 | Fluid heat exchange assembly |
| CN110549810B (en) * | 2018-05-30 | 2020-12-29 | 浙江三花汽车零部件有限公司 | Fluid heat exchange assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |