CN108547855A - Screw thread presses anti-rotation structure and its application method - Google Patents
Screw thread presses anti-rotation structure and its application method Download PDFInfo
- Publication number
- CN108547855A CN108547855A CN201810379735.8A CN201810379735A CN108547855A CN 108547855 A CN108547855 A CN 108547855A CN 201810379735 A CN201810379735 A CN 201810379735A CN 108547855 A CN108547855 A CN 108547855A
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- Prior art keywords
- riveting
- perforation
- cylindrical portion
- tooth
- screw thread
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007373 indentation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
- F16C11/0623—Construction or details of the socket member
- F16C11/0642—Special features of the plug or cover on the blind end of the socket
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
Abstract
The present patent application belongs to screw thread anti-rotation technical field, a kind of screw thread is specifically disclosed to press anti-rotation structure, including the cylindrical portion with riveting perforation clearance fit on the riveting perforation and plug screw being located at endoporus outer on ball seat, the riveting perforation and female coaxial setting, the internal diameter of riveting perforation is more than the internal diameter at inner hole thread, and the diameter of the cylindrical portion is less than the diameter of plug screw；Multiple riveting teeth are pressed into positioned at riveting perforation and the gap location of cylindrical portion, multiple riveting teeth are uniformly distributed on the circumference where riveting perforation, the gap for the riveting perforation and cylindrical portion that the width of the riveting tooth is more than.Compared with prior art, this is simple in structure, easy to use, is not destroying screw thread, can effectively prevent the rotation of threaded connection place in bulb pin assembly.
Description
Technical field
The invention belongs to screw thread anti-rotation technical field, specifically discloses a kind of screw thread and press anti-rotation structure and its user
Method.
Background technology
Threaded connection, which is that one kind is widely used, to be removably fixedly connected, with simple in structure, connection is reliable, assembly and disassembly side
Just the advantages that, therefore be widely used in mechanical connection.Screw thread is the key structure being threadedly coupled, according to the shape of planar graph
Shape, screw thread can be divided into triangle, rectangle, trapezoidal and saw-tooth thread etc..According to the direction of circling of helix, left-handed spiral shell can be divided into
Line and right-handed thread rise to left hand thread, it is specified that helix rises to the right right-handed thread when screw thread is upright to the left.Machinery
Right-handed thread is generally used in manufacture, when having particular/special requirement, just uses left hand thread.According to the number of helix, list can be divided into
The multi start thread of line screw thread and equidistant arrangement.In order to easily manufactured, screw thread is usually no more than 4 lines.
Though be threadedly coupled it is very convenient, under impact, vibrations or varying load effect, and high temperature or temperature change compared with
When big, the frictional force between screw thread instantaneously can reduce or disappear, and two connectors of threaded connection may relatively rotate
And loosen, there are security risks.Screw thread anti-rotation is always industry problems, especially major thread；Have at present and increases ring flange, changes
Screw thread inclination angle, however have the shortcomings that it is anti-lock it is unstable, manufacture maintenance cost is high, and be not suitable for major thread anti-rotation.
Ball pin carries main stress in automobile suspension system, so the structure of ball pin must be protected during use
Hold the stabilization of state；Relevant bulb pin assembly is devised according to the high motor-driven use demand of automobile hanging thus.Ball stud is total
At including mainly the ball seat for installing ball pin and the plug screw for fixing ball pin position in ball seat, ball seat is equipped with endoporus use
In installation ball pin, a part of endoporus is provided with screw thread for installing plug screw.During the use of bulb pin assembly, ball pin stress
Impact, vibrations etc. will occur with ball seat, the threaded connection of plug screw and ball seat is caused to be easy to happen loosening.Industry is mainly led at present
It crosses increase flange face or changes screw thread inclination angle and reach anti-rotation ability, the former is to increase contact area to increase frictional force, Hou Zheshi
Change screw thread stress and reaches self-locking.Experimental results demonstrate both the above methods to be not suitable for major thread connection, especially hangs ball
The high motor-driven final racks of connection of pin class are durable and roadway experiment proof presses, and anti-rotation can thoroughly solve the technical barrier.
Invention content
The purpose of the present invention presses anti-rotation structure and its application method providing a kind of screw thread, to solve ball seat and plug screw
Threaded connection place influences the problem of bulb pin assembly uses easily with respect to rotation between ball seat and plug screw.
In order to achieve the above object, base case of the invention is：Screw thread presses being located on anti-rotation structure, including ball seat
Cylindrical portion on riveting perforation and plug screw at endoporus outer with riveting perforation clearance fit, the riveting perforation and female coaxial setting,
The internal diameter of riveting perforation is more than the internal diameter at inner hole thread, and the diameter of the cylindrical portion is less than the diameter of plug screw；Positioned at riveting perforation with
The gap location of cylindrical portion is pressed into multiple riveting teeth, and multiple riveting teeth are uniformly distributed on the circumference where riveting perforation, the width of the riveting tooth
Spend the gap of the riveting perforation and cylindrical portion that are more than.
The operation principle of this base case is：This structure in bulb pin assembly suitable for bulb pin assembly, carrying out
When assembly, plug screw is after being packed into ball seat and being threadedly coupled therewith, and riveting perforation will match with cylindrical portion and merge there are gap, at this time root
Appropriate number of riveting tooth is selected according to the specification of screw thread, and riveting tooth is pressed into the gap between riveting perforation and cylindrical portion by forcing press
In.Due to the gap of riveting perforation and cylindrical portion that the width of riveting tooth is more than, riveting tooth will be under the effect of the pressure of forcing press to spiral shell
Plug and ball seat generate physical deformation, to make plug screw and ball seat that relative motion will not occur so that the screw thread of plug screw and ball seat
Junction will not rotate.Since the gap between riveting perforation and cylindrical portion is in circular ring shape, indentation riveting is acted on herein by pressure
Tooth, can be further such that plug screw and ball seat will not relatively rotate, to further prevent the threaded connection of plug screw and ball seat
Place rotates.This structure carries out anti-rotation, structure relative to the modes such as ring flange, change screw thread inclination angle are increased to being threadedly coupled
It is simpler, it also is adapted for producing in enormous quantities, while anti-rotation intensity can be limited by the quantity of riveting tooth with pressing, to make this knot
Structure is suitable for the threaded connection place of plurality of specifications.
Anti-rotation restriction is carried out to the threaded connection place of bulb pin assembly by this structure, when the threaded connection of ball seat and plug screw
When place needs dismounting, lathe can be used and cut out riveting tooth, the anti-rotation of bulb pin assembly threaded connection place is limited to release this structure
It is fixed, plug screw can be disassembled from ball seat.It needs to prevent threaded connection place from rotating after plug screw is threadedly coupled with ball seat again
When, riveting tooth can be pressed again by the other positions in gap.
The advantageous effect of this base case is：This structure is relatively simple, is conveniently operated, and is threadedly coupled to bulb pin assembly
The anti-rotation action intensity at place is larger, can effectively prevent plug screw and ball seat threaded connection place from relatively rotating.Because of unique concave station
Ingenious in design can be such that screw thread is not destroyed when pressing, and to which riveting tooth can be removed in use, and can reuse, very
Bulb pin assembly is facilitated to repair in use.This structure is smaller, using will not interfere bulb in bulb pin assembly
The use of pin assembly.Compared with prior art, this is simple in structure, easy to use, can effectively prevent screw thread in bulb pin assembly
The rotation of junction.
Preferred embodiment one：As the preferred of basic scheme, the cross section of the riveting tooth is rectangle, and the width of riveting tooth is 5-
10mm.Since the gap of riveting perforation and cylindrical portion is in circular ring shape, the cross section of riveting tooth, which is rectangle, to be had with riveting perforation and cylindrical portion
More contact surface, it is larger to plug screw and the effect of ball seat material resources when to make riveting tooth be pressed into gap, further make the spiral shell of this structure
Line anti-rotation intensity bigger.
Preferred embodiment two：Preferably one it is preferred, the cross section of the riveting tooth is the square that length is 2-5 times of width
Shape.Riveting tooth and plug screw, the contact area of ball seat material resources are further increased, to make the screw thread anti-rotation intensity bigger of this structure.
Preferred embodiment three：As the preferred of any one of basic scheme, preferred embodiment one, preferred embodiment two, the riveting tooth is
2-10.According to the specification of screw thread, using 2-10 riveting tooth, it is enough meets the intensity of threaded connection place anti-rotation.
Preferred embodiment four：Preferably three it is preferred, the riveting tooth is 4-8.Due to the total spiral shell of bulb pin assembly
Line connection is more the screw thread using medium format, therefore during specific manufacture, more 4-8 riveting tooth pair of more options
Threaded connection place carries out anti-rotation processing.
Press the application method of anti-rotation structure the present invention also provides a kind of screw thread, includes the following steps：
(1) ball pin is fitted into the endoporus of ball seat, and is threadedly coupled with ball seat inner hole thread section using plug screw, plug screw and seat
Body is threadedly coupled；
(2 tighten plug screw, by the riveting perforation position alignment of plug screw cylindrical portion and ball seat, and between riveting perforation and cylindrical portion
Gap is cleaned；
(3) riveting tooth root is fixed on by the quantity that required riveting tooth is determined according to the specification of screw thread according to its required position being pressed into
On forcing press, riveting tooth is pressed into the gap between riveting perforation and cylindrical portion using forcing press；
(4) when needing to remove plug screw from ball seat, riveting tooth is cut away by lathe, is rotated along the screw thread of endoporus
Plug screw can take out plug screw from ball seat；
(5) when the threaded connection place of plug screw and ball seat needs to fix anti-rotation again, step (1) (2) can be sequentially repeated
(3), riveting tooth is pressed into again in the gap between riveting perforation and cylindrical portion at other positions.
By method used above, screw thread anti-rotation structure can be made to be quickly assembled on bulb pin assembly, and rigging position is more
To be suitable, to make the anti-rotation intensity of screw thread anti-rotation structure further strengthen so that the threaded connection place of bulb pin assembly will not
Rotation.
Description of the drawings
Fig. 1 be used screw thread of the present invention press anti-rotation structure bulb pin assembly structure sectional view；
Fig. 2 is the upward view of Fig. 1.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Ball pin 10, plug screw 20, cylindrical portion 21, ball seat 30, endoporus 31, riveting tooth
Hole 32, gap 40, riveting tooth 41.
As shown in Figure 1 and Figure 2, screw thread press on anti-rotation structure, including ball seat 30 be located at 31 outer of endoporus at riveting perforation
32 and plug screw 20 on cylindrical portion 21 with the cooperation of 32 gap 40 of riveting perforation, riveting perforation 32 and endoporus 31 be coaxially disposed, riveting perforation 32
Internal diameter be more than the internal diameter at 31 screw thread of endoporus, the diameter of cylindrical portion 21 is less than the diameter of plug screw 20；Positioned at riveting perforation 32 and circle
Multiple riveting teeth 41 are pressed at the gap 40 in column portion 21, multiple riveting teeth 41 are uniformly distributed on the circumference where riveting perforation 32, riveting tooth
The gap 40 of riveting perforation 32 and cylindrical portion 21 that 41 width is more than.The cross section of riveting tooth 41 is rectangle, and the width of riveting tooth 41 is
5-10mm；The cross section of riveting tooth 41 is the rectangle that length is 2-5 times of width, is preferably 3 times in the present embodiment.Riveting tooth 41 is 2-10
It is a, it is preferably 6 in the present embodiment.
This structure is suitable for bulb pin assembly, when bulb pin assembly is assembled, plug screw 20 is being packed into ball seat 30
And after being threadedly coupled therewith, riveting perforation 32 will there are gaps 40 with merging with cylindrical portion 21, at this time according to the choosing of the specification of screw thread
Appropriate number of riveting tooth 41 is selected, and riveting tooth 41 is pressed into the gap 40 between riveting perforation 32 and cylindrical portion 21 by forcing press.
Due to the gap 40 of riveting perforation 32 and cylindrical portion 21 that the width of riveting tooth 41 is more than, riveting tooth 41 will be acted in the pressure of forcing press
Under physical deformation is generated to plug screw 20 and ball seat 30, to make plug screw 20 and ball seat 30 that relative motion will not occur so that spiral shell
The threaded connection place of plug 20 and ball seat 30 will not rotate.Since the gap 40 between riveting perforation 32 and cylindrical portion 21 is in circular ring shape,
Act on indentation riveting tooth 41 herein by pressure, can further such that plug screw 20 and ball seat 30 will not relatively rotate, to
Plug screw 20 and the threaded connection place of ball seat 30 is further prevented to rotate.This structure is relative to increase ring flange, change screw thread
The modes such as inclination angle carry out anti-rotation to being threadedly coupled, and structure is simpler, also is adapted for producing in enormous quantities, while anti-rotation intensity can lead to
It crosses the quantity of riveting tooth 41 and presses to limit, to make this structure be suitable for the threaded connection place of plurality of specifications.
Anti-rotation restriction is carried out to the threaded connection place of bulb pin assembly by this structure, when the screw thread of ball seat 30 and plug screw 20
When junction needs dismounting, lathe can be used and cut out riveting tooth 41, to release this structure to bulb pin assembly threaded connection place
Anti-rotation limits, and can disassemble plug screw 20 from ball seat 30.It needs to prevent after plug screw 20 is threadedly coupled with ball seat 30 again
When threaded connection place rotates, riveting tooth 41 can be pressed again by the other positions in gap 40.
Press the application method of anti-rotation structure the present invention also provides a kind of screw thread, includes the following steps：
(1) ball pin 10 is fitted into the endoporus 31 of ball seat 30, and uses plug screw 20 and 30 endoporus of ball seat, 31 thread segment screw thread
Connection, plug screw 20 are threadedly coupled with pedestal；
(2 tighten plug screw 20, by 32 position alignment of riveting perforation of 20 cylindrical portion 21 and ball seat 30 of plug screw, and to riveting perforation 32
It is cleaned with the gap 40 of cylindrical portion 21；
(3) quantity that required riveting tooth 41 is determined according to the specification of screw thread consolidates riveting tooth 41 according to its required position being pressed into
It is scheduled on forcing press, riveting tooth 41 is pressed into the gap between riveting perforation 32 and cylindrical portion 21 using forcing press；
(4) when needing to remove plug screw 20 from ball seat 30, riveting tooth 41 is cut away by lathe, along the spiral shell of endoporus 31
Plug screw 20 is rotated at line plug screw 20 can be taken out from ball seat 30；
(5) when the threaded connection place of plug screw 20 and ball seat 30 needs to fix anti-rotation again, step (1) can be sequentially repeated
(2) riveting tooth 41 is pressed into the gap between riveting perforation 32 and cylindrical portion 21 at other positions by (3) again.
By method used above, screw thread anti-rotation structure can be made to be quickly assembled on bulb pin assembly, and rigging position is more
To be suitable, to make the anti-rotation intensity of screw thread anti-rotation structure further strengthen so that the threaded connection place of bulb pin assembly will not
Rotation.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these should also be considered as protection scope of the present invention, these all do not interfere with what the present invention was implemented
Effect and patent practicability.
Claims (6)
- The anti-rotation structure 1. screw thread presses, which is characterized in that including on the riveting perforation and plug screw being located at endoporus outer on ball seat With the cylindrical portion of riveting perforation clearance fit, the riveting perforation and female coaxial setting, the internal diameter of riveting perforation are more than at inner hole thread Internal diameter, the diameter of the cylindrical portion is less than the diameter of plug screw；Multiple riveting teeth are pressed into positioned at riveting perforation and the gap location of cylindrical portion, Multiple riveting teeth are uniformly distributed on the circumference where riveting perforation, between the width riveting perforation being more than and cylindrical portion of the riveting tooth Gap.
- The anti-rotation structure 2. screw thread as described in claim 1 presses, which is characterized in that the cross section of the riveting tooth is rectangle, riveting The width of tooth is 5-10mm.
- The anti-rotation structure 3. screw thread as claimed in claim 2 presses, which is characterized in that the cross section of the riveting tooth is that length is wide The rectangle of 2-5 times of degree.
- The anti-rotation structure 4. screw thread as described in any one of claims 1-3 presses, which is characterized in that the riveting tooth is 2-10.
- The anti-rotation structure 5. screw thread as claimed in claim 4 presses, which is characterized in that the riveting tooth is 4-8.
- The application method of anti-rotation structure 6. screw thread as claimed in claim 5 presses, which is characterized in that include the following steps：(1) ball pin is fitted into the endoporus of ball seat, and is threadedly coupled with ball seat inner hole thread section using plug screw, plug screw and pedestal spiral shell Line connects；(2 tighten plug screw, by the riveting perforation position alignment of plug screw cylindrical portion and ball seat, and to the gap of riveting perforation and cylindrical portion into Row cleaning；(3) riveting tooth root is fixed on pressure by the quantity that required riveting tooth is determined according to the specification of screw thread according to its required position being pressed into On machine, riveting tooth is pressed into the gap between riveting perforation and cylindrical portion using forcing press；(4) when needing to remove plug screw from ball seat, riveting tooth is cut away by lathe, plug screw is rotated along the screw thread of endoporus Plug screw can be taken out from ball seat；(5) when the threaded connection place of plug screw and ball seat needs to fix anti-rotation again, it can be sequentially repeated step (1) (2) (3), Riveting tooth is pressed into again in the gap between riveting perforation and cylindrical portion at other positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379735.8A CN108547855B (en) | 2018-04-25 | 2018-04-25 | Screw thread pressure riveting anti-rotation structure and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810379735.8A CN108547855B (en) | 2018-04-25 | 2018-04-25 | Screw thread pressure riveting anti-rotation structure and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108547855A true CN108547855A (en) | 2018-09-18 |
| CN108547855B CN108547855B (en) | 2020-04-21 |
Family
ID=63512608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810379735.8A Active CN108547855B (en) | 2018-04-25 | 2018-04-25 | Screw thread pressure riveting anti-rotation structure and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108547855B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2203219A (en) * | 1938-03-31 | 1940-06-04 | Timken Roller Bearing Co | Cap bolt lock |
| US2466546A (en) * | 1943-02-03 | 1949-04-05 | Scovill Manufacturing Co | Threaded insert |
| US3212796A (en) * | 1962-07-16 | 1965-10-19 | Nenschotz Robert | Sealed threaded fitting |
| US8794860B1 (en) * | 2009-06-08 | 2014-08-05 | James W. McGean | Rotational connector device |
-
2018
- 2018-04-25 CN CN201810379735.8A patent/CN108547855B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2203219A (en) * | 1938-03-31 | 1940-06-04 | Timken Roller Bearing Co | Cap bolt lock |
| US2466546A (en) * | 1943-02-03 | 1949-04-05 | Scovill Manufacturing Co | Threaded insert |
| US3212796A (en) * | 1962-07-16 | 1965-10-19 | Nenschotz Robert | Sealed threaded fitting |
| US8794860B1 (en) * | 2009-06-08 | 2014-08-05 | James W. McGean | Rotational connector device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108547855B (en) | 2020-04-21 |
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