CN208184649U - A kind of goalpost positioning universal shaft structure - Google Patents
A kind of goalpost positioning universal shaft structure Download PDFInfo
- Publication number
- CN208184649U CN208184649U CN201820654742.XU CN201820654742U CN208184649U CN 208184649 U CN208184649 U CN 208184649U CN 201820654742 U CN201820654742 U CN 201820654742U CN 208184649 U CN208184649 U CN 208184649U
- Authority
- CN
- China
- Prior art keywords
- annular
- connecting rod
- goalpost
- living
- slope surface
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 27
- 238000009434 installation Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000004519 grease Substances 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Abstract
A kind of goalpost disclosed by the utility model positions universal shaft structure, including connecting rod, connecting rod bottom is circumferentially evenly provided with multiple hemispherical grooves, the setting of connecting rod bottom end is in living twist, it is living to twist inner wall and hemispherical groove formation goalpost hole, goalpost is provided with driving column in hole, connecting rod bottom centre is provided with bulb mounting hole, bulb is provided in bulb mounting hole, ball seat is correspondingly arranged below bulb, ball seat setting twists upper end living, the outside top living twisted is provided with lock sleeve, annular edge is provided on the inside of lock sleeve, annular support edge is provided on the connecting rod, annular support is along being above provided with annular slope surface, the lower section on annular edge is arranged in the annular slope surface, annular along be provided with sealing structure between annular slope surface.The utility model is provided with spring, and under the action of elastic force, sealing ring can be held in the palm with annular along sealing, as ambient pressure increases sealing effect more preferably, can guarantee that lubricating grease does not leak in seal chamber.
Description
Technical field
The utility model relates to oil drilling helicoid hydraulic motor technical fields more particularly to a kind of goalpost to position universal shaft knot
Structure.
Background technique
Helicoid hydraulic motor is one kind using drilling fluid as power, liquid pressure energy is switched to the positive displacement underground power drilling of mechanical energy
Tool, is mainly made of the big assembly of by-passing valve, fluid motor, universal shaft and transmission shaft etc. four, wherein the effect of universal shaft is by motor
Planetary motion be changed into the fixed-axis rotation of transmission shaft, torque and revolving speed that motor generates are passed into transmission shaft to drill bit.
Our company discloses " goalpost positioning ten thousand in the utility model patent specification of Publication No. " CN204571830U "
To axis ", it is as shown in Figure 1 which positions universal shaft comprising connecting rod 1,1 bottom of connecting rod are provided with multiple hemispherical dimples in one week
2, the setting of 1 bottom end of connecting rod twists in 3 living, and 3 inner walls of strand living and hemispherical dimples 2 form goalpost hole 4, is provided with ball in goalpost hole 4
Column 5,1 bottom centre of connecting rod are provided with bulb hole 6, and bulb 7 is provided in bulb hole 6, ball seat 8 is correspondingly arranged below bulb 7,
The setting of ball seat 8 twists 3 upper ends living, and 1 periphery of connecting rod of 2 top of hemispherical dimples is additionally provided with sheath 9, is provided on the inside of sheath 9
Pressing ring 11, is provided with lock sleeve 10 on the outside of sheath 9, and connecting rod 1 is by sheath 9, the lock sleeve 10 and insertion of pressing ring 11 is living twists in 3,
In above-mentioned technical proposal, the defect that the sheath 9 of sealing function is designed due to structure is played, is prone to wear, makes at work
It leaks at lubricating grease, and the internal mud that enters causes the universal shaft lost of life, for this reason, it may be necessary to design a kind of for universal shaft
Novel sealing structure.
Utility model content
The purpose of this utility model is that providing a kind of goalpost positioning universal shaft knot in place of avoiding the deficiencies in the prior art
Structure, to effectively solve the shortcomings of the prior art.
To achieve the above object, the technical solution that the utility model is taken are as follows: a kind of goalpost positioning universal shaft structure, including
Connecting rod, connecting rod bottom are circumferentially evenly provided with multiple hemispherical grooves, the setting of connecting rod bottom end in living twist, it is living twist inner wall with
Hemispherical groove forms goalpost hole, and driving column is provided in goalpost hole, and connecting rod bottom centre is provided with bulb mounting hole, bulb peace
It is provided with bulb in dress hole, ball seat is correspondingly arranged below bulb, ball seat setting twists upper end, the outside top living twisted living
It is provided with lock sleeve, annular edge is provided on the inside of lock sleeve, annular support edge is provided on the connecting rod, annular support is along upper setting
Have an annular slope surface, the annular slope surface is arranged in the lower section on annular edge, annular along be provided with sealing structure between annular slope surface；
The sealing structure includes annular mounting base, spring, upper annular plate, ball, lower annular plate and sealing ring, described
The inner wall of annular mounting base and lock sleeve is enclosed the ring shaped movable chamber under shed, ring shaped movable it is intracavitary from top to bottom according to
It is secondary to be provided with the spring, upper annular plate, lower annular plate and sealing ring, it is provided with and turns between the upper annular plate and lower annular plate
Kinetoplast；
The rotor includes the interior ball set that inner ring is arranged in and the outer ball set that outer ring is arranged in, the interior ball set
It is made of with outer ball set several balls being circumferentially evenly arranged；
The ball is cooperated to be provided with arc mounting groove on the upper annular plate and lower annular plate；
The bottom cooperation annular slope surface of the sealing ring is provided with domatic binding face, is provided on domatic binding face point
Spacer ring slot separates annular groove for domatic binding face and is divided into inside, two, outside part.
Further, the spring is circumferentially uniform is provided with many places.
Further, the angle of the annular slope surface and horizontal plane is 30-40 °.
The above-mentioned technical proposal of the utility model has the advantages that the utility model is provided with spring, in elastic force
Under the action of, sealing ring can be held in the palm with annular along sealing, as ambient pressure increases sealing effect more preferably, can guarantee seal chamber
Interior lubricating grease does not leak, and as annular support is along the abrasion with sealing ring, double-deck spring can compensate in time, increase and use the longevity
Life；It is provided with rotor, when link motion, a certain range of rotation can be carried out with dynamic seal ring, reduce and rub
It wears consumption.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art；
Fig. 2 is the utility model embodiment structural schematic diagram；
Fig. 3 is the partial enlarged view in Fig. 2 at A.
Specific embodiment
The embodiments of the present invention is described in further detail with reference to the accompanying drawings and examples.Following embodiment
For illustrating the utility model, but cannot be used to limit the scope of the utility model.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term
The orientation of the instructions such as "upper", "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " or position are closed
System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is construed as a limitation of the present invention.In the description of the present invention, it should be noted that unless otherwise specific regulation
And restriction, term " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection,
Or it is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediary can also be passed through
It is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
As Figure 2-3, the universal axle sealing structure of a kind of helicoid hydraulic motor described in the present embodiment, including connecting rod 21, even
21 bottom of bar is circumferentially evenly provided with multiple hemispherical grooves 22, and the setting of 21 bottom end of connecting rod twists in 23 living, living to twist in 23
Wall and hemispherical groove 22 form goalpost hole 24, are provided with driving column 25 in goalpost hole 24,21 bottom centre of connecting rod is provided with ball
First 27 mounting hole 26 is provided with bulb 27 in 27 mounting hole 26 of bulb, ball seat 28 is correspondingly arranged below bulb 27, ball seat 28 is set
It sets and twists 23 upper ends living, 23 outside top living of twisting is provided with lock sleeve 29, and the inside of lock sleeve 29 is provided with annular along 29a,
Annular support is provided on connecting rod 21 along 30, annular support is provided with annular slope surface 30a along 30, and annular slope surface 30a is arranged in annular
Along the lower section of 29a, annular is provided with sealing structure between 29a and annular slope surface 30a；
Sealing structure includes annular mounting base 31, spring 32, upper annular plate 33, lower annular plate 34 and sealing ring 35, ring
The inner wall of shape mounting base 31 and lock sleeve 29 is enclosed the ring shaped movable chamber under shed, and ring shaped movable is intracavitary from top to bottom
It is disposed with spring 32, upper annular plate 33, lower annular plate 34 and sealing ring 35, is set between upper annular plate 33 and lower annular plate 34
It is equipped with rotor；
Rotor includes the interior ball set that inner ring is arranged in and the outer ball set that outer ring is arranged in, interior ball set and outer ball
Group is made of several balls 36 being circumferentially evenly arranged；
Ball 36 is cooperated to be provided with arc mounting groove on upper annular plate 33 and lower annular plate 34；
The bottom cooperation annular slope surface 30a of sealing ring 35 is provided with domatic binding face, and separation is provided on domatic binding face
Annular groove 35a separates annular groove 35a for domatic binding face and is divided into inside, two, outside part, once if side is revealed, the other side
Domatic binding face continue to play the role of sealing, temporary effect can be played to liquid by separating annular groove 36a.
Spring 32 is circumferentially uniform to be provided with many places.
The angle of annular slope surface and horizontal plane is 30-40 °.
The embodiments of the present invention are given for the purpose of illustration and description, and are not exhaustively or to incite somebody to action
The utility model is limited to disclosed form.Many modifications and variations are aobvious and easy for the ordinary skill in the art
See.Embodiment was chosen and described in order to better illustrate the principle and practical application of the utility model, and makes this field
Those of ordinary skill it will be appreciated that the utility model to designing various embodiments suitable for specific applications with various modifications.
Claims (3)
1. a kind of goalpost positions universal shaft structure, including connecting rod, it is recessed that connecting rod bottom is circumferentially evenly provided with multiple hemisphericals
Slot, the setting of connecting rod bottom end is in living twist, and strand inner wall living and hemispherical groove form goalpost hole, and goalpost is provided with driving column in hole,
Connecting rod bottom centre is provided with bulb mounting hole, and bulb is provided in bulb mounting hole, is correspondingly arranged on ball seat, ball below bulb
Seat setting twists upper end living, it is characterised in that: the outside top living twisted is provided with lock sleeve, is provided on the inside of lock sleeve
Annular edge, annular support edge is provided on the connecting rod, and annular support is arranged along annular slope surface, the annular slope surface is above provided in ring
The lower section on shape edge, annular along be provided with sealing structure between annular slope surface；
The sealing structure includes annular mounting base, spring, upper annular plate, lower annular plate and sealing ring, the annular installation
The inner wall of seat and lock sleeve is enclosed the ring shaped movable chamber under shed, and ring shaped movable is intracavitary to be from top to bottom disposed with
The spring, upper annular plate, lower annular plate and sealing ring are provided with rotor between the upper annular plate and lower annular plate；
The rotor includes the interior ball set that inner ring is arranged in and the outer ball set that outer ring is arranged in, the interior ball set and outer
Ball set is made of several balls being circumferentially evenly arranged；
The ball is cooperated to be provided with arc mounting groove on the upper annular plate and lower annular plate；
The bottom cooperation of the sealing ring annular slope surface is provided with domatic binding face, is provided with stripper loop on domatic binding face
Slot separates annular groove for domatic binding face and is divided into inside, two, outside part.
2. a kind of goalpost according to claim 1 positions universal shaft structure, it is characterised in that: the spring is circumferential uniform
Be provided with many places.
3. a kind of goalpost according to claim 1 positions universal shaft structure, it is characterised in that: the annular slope surface and level
The angle in face is 30-40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820654742.XU CN208184649U (en) | 2018-05-04 | 2018-05-04 | A kind of goalpost positioning universal shaft structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820654742.XU CN208184649U (en) | 2018-05-04 | 2018-05-04 | A kind of goalpost positioning universal shaft structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208184649U true CN208184649U (en) | 2018-12-04 |
Family
ID=64432168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820654742.XU Expired - Fee Related CN208184649U (en) | 2018-05-04 | 2018-05-04 | A kind of goalpost positioning universal shaft structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208184649U (en) |
-
2018
- 2018-05-04 CN CN201820654742.XU patent/CN208184649U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207453892U (en) | A kind of damping spiral drilling rig with overload protection | |
| CN103883246A (en) | Efficient positive displacement motor drill under well | |
| CN201225100Y (en) | Screw drilling tool universal joint | |
| CN203022654U (en) | Sealing type universal shaft for screw drilling tool | |
| CN208184649U (en) | A kind of goalpost positioning universal shaft structure | |
| CN204960831U (en) | Universal axis | |
| CN107905740A (en) | A kind of Deep Water Drilling Riser and drilling rod abrasionproof anti-attrition device | |
| CN203097709U (en) | Screw drill drive shaft assembly | |
| CN103912570B (en) | High elasticity spline stretches transmission shaft | |
| CN208184650U (en) | A kind of articulated joint for screw drilling rod | |
| CN208185474U (en) | A kind of universal axle sealing structure of helicoid hydraulic motor | |
| CN201763265U (en) | Underground motor cardan shaft | |
| CN207018384U (en) | The power takeoff of high intensity input unit | |
| CN201236897Y (en) | Cross axle assembly with end face rubber spring structure | |
| CN207554326U (en) | Plunger and plunger pump/piston motor | |
| CN201087694Y (en) | Safe and reliable long-life screw drill | |
| CN208184648U (en) | A kind of rubber sealing goalpost universal shaft | |
| CN208185267U (en) | A kind of helicoid hydraulic motor universal axle sealing structure of goalpost positioning | |
| CN206682245U (en) | A kind of new trackless equipment respirator | |
| CN205260587U (en) | Rotating shaft structure | |
| CN209195938U (en) | A kind of non-maintaining connector shell | |
| CN203603779U (en) | Articulated cardan shaft | |
| CN203856421U (en) | Seal cartridge of cardan shaft of screw drill | |
| CN203285330U (en) | Buffering transmission device of coal bed gas drilling machine | |
| CN203285359U (en) | Positive displacement drill arc-shaped pin roller ball hinge joint universal shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 |