CN205278055U - Bolt and device that has bolt - Google Patents
Bolt and device that has bolt Download PDFInfo
- Publication number
- CN205278055U CN205278055U CN201520615754.8U CN201520615754U CN205278055U CN 205278055 U CN205278055 U CN 205278055U CN 201520615754 U CN201520615754 U CN 201520615754U CN 205278055 U CN205278055 U CN 205278055U
- Authority
- CN
- China
- Prior art keywords
- bolt
- shank
- packing ring
- section
- cross
- 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
- 238000012856 packing Methods 0.000 claims abstract description 69
- 230000000295 complement effect Effects 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
- 238000010079 rubber tapping 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/06—Specially-shaped heads
-
- 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
- F16B33/00—Features common to bolt and nut
- F16B33/02—Shape of thread; Special thread-forms
-
- 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
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The utility model relates to a bolt (1) that has shank of bolt (4) in outfit arc limit cross -section to the threaded pressure angle that takes shape on the shank of bolt is 50 screw thread at least. Attach in packing ring (2) of bolt (1) have decentered, with shank of bolt (4) the complemental holes in cross -section (9), shank of bolt (4) may not rotate by in the patchhole (9).
Description
Technical field
This utility model relates to a kind of bolt or screw and the device with bolt, employs described bolt or screw in said device.
Background technology
In order to interconnect with making part adjustable, especially for the camber angle such as arranging motor vehicles, it is also known to use with the bolt of eccentric orfice packing ring. This bolt has one or two cannelures traditionally in shank of bolt, engages with the ledge of packing ring respectively in cannelure, so that packing ring and shank of bolt connect un-rotatably. When bolt rotates around own longitudinal axes time, packing ring also together rotates. When packing ring is directly included in framework, can the position of calibration bolt bar by the rotation of bolt and packing ring; If on the contrary, when shank of bolt is included into hole with small space, the assembly on the limit that press against packing ring from outside can be calibrated by the rotation of bolt and packing ring. Fluting makes bolt become expensive, because it manufactures the operation required in general by milling (in the process can not integrated screw forming) and extra other instruments of use. Additionally, fluting substantially weakens shank of bolt, so that comparing with the bolt not having cannelure, for reaching the load allowable specified, the bolt weakened because of fluting must have bigger nominal diameter.
Utility model content
Technical problem to be solved in the utility model is, it is achieved a kind of bolt suitable in adjustable device, and its manufacturing expense is low and has higher load allowable when nominal diameter is less. Another one of the present utility model to solve the technical problem that, it is achieved a kind of bolt device, it is suitable for carrying out calibration tasks on the direction longitudinally perpendicular with bolt and combining low cost and the advantage of height load allowable.
First technical problem is realized by first form of implementation of the present utility model, i.e. a kind of bolt, and described bolt has the shank of bolt in arc limit (lobular) cross section and the head zone eccentric relative to shank of bolt. If shank of bolt is included in hole with close cooperation, object just can be calibrated by the rotation of bolt, method is, makes the calibration surface limit against head zone of object the location according to bolt (Orientierung) take the different distance of its pivot center. On the contrary, what calibration surface can also be fixed in position, then bolt oneself seeks to the object of calibration, and wherein, the position of bolt pivot center is set corresponding to its orientation.
Head zone can include the eccentric head of relative shank of bolt and between head and shank of bolt the first packing ring of arranged off-centre. At packing ring for while axially adjustable, head achieves placed coaxial rotating or instrument for keeping bolt not rotate for bolt.
First packing ring can be directly arranged at the head of bolt and can constitute with head integral type.
Alternative form of implementation solves described technical problem, namely by the device of the bolt of the shank of bolt with cross section, arc limit, especially catches up with and states the same bolt and first packing ring eccentric relative to shank of bolt.
Packing ring can not push-and-pull on shank of bolt rotationally; In order to realize the quick assembling of device, it is also possible to pad is pressed on bolt.
Preferably having the hole corresponding with shank of bolt cross section of bias in two forms of implementation, shank of bolt can not push in this hole rotationally.
In order to make quickly and be placed on bolt by packing ring without error and become simple, the location quantity that packing ring can adopt on shank of bolt should be lacked as much as possible. The quantity of location can not less than the quantity of the identical circular arc in composition cross section, arc limit. If the mirror symmetry planes that packing ring does not extend axially, then the quantity of possible location can become twice as. Therefore, packing ring should have such mirror symmetry planes.
In order to make the calibration undertaken by the rotation of device become simple, additionally on the head of bolt, the second packing ring should be arranged with axially flushing with the first packing ring. Especially for obtaining such device flushed, the symmetry of above-mentioned packing ring is helpful.
Preferably, the cross section of shank of bolt can be arc limit triangle (trilobular). Although the quantity of the arc section on the limit in composition cross section may not be three, but when quantity is less, the expansion of the quantity and area of transmitting the surface of moment of torsion between shank of bolt and packing ring is less, and therefore making the too high danger of load the deformation danger that thus causes too high; the quantity on arc limit is more many; the cross sectional shape of formation is more approximately round, makes form fit that a slight deformation is just enough to destroy between shank of bolt and packing ring and makes two parts to relatively rotate.
Bolt with shank of bolt cross section, arc limit is configured to the tapping screw thread with the relatively minor thread angle of engagement mostly. In contrast to this, according to this utility model angle of rifling at least up to 50 ��, with realize shank of bolt and be inserted on shank of bolt and between the packing ring of shank of bolt cross-section complementary perforate moment of torsion transmission, without making the screw thread of bolt cut into packing ring or be deformed by packing ring. Especially the angle of rifling is compatible with metric thread, 60 ��, or is compatible with Webster pitch thread, 55 ��.
In order to avoid cutting tilts, the screw thread top of the screw thread of bolt additionally should be made not want too sharp. Preferably, screw thread top is at least at least 1/8th of the depth of thread at the most advanced and sophisticated width in cross section, arc limit. Place outside tip, screw thread does not contact packing ring, here makes the width on screw thread top not affect torque capacity.
Second described technical problem is realized by form of implementation of the present utility model, namely with the device of bolt, described bolt is with the shank of bolt in cross section, arc limit and is referred to the bolt according to first form of implementation described above, and described device is also with first packing ring eccentric relative to shank of bolt.
In order to be fixed on such as the wheel suspension place of vehicle, described device additionally can include the nut complementary with bolt.
Although the shank of bolt cross section based on non-rounding makes bolt thread not have regular screw threads, probably as DIN13-xx, but can be adjusted by size, in order to the nut according to this standard can be used. This make device of the present utility model to save into local realization because can in use habit, substantial amounts of nut with low cost.
Accompanying drawing explanation
The illustrating and drawing the reference of institute's accompanying drawing from following example of this utility model further features and advantages. Schematic diagram is:
Fig. 1 is according to the axonometric chart of bolt of the present utility model and affiliated packing ring;
The axial of Fig. 2 bolt and packing ring;
Fig. 3 along Fig. 2 with the A screw thread gained profile of straight line cutting bolt indicated;
The profilograph of Fig. 4 guillotine gained, in described device, two assemblies that can radially mutually calibrate are by connecting according to bolt of the present utility model and pad;
Fig. 5 is according to the bolt of second embodiment of this utility model and the side of its pad and schematic cross-section; With
The side schematic view of the Fig. 6 bolt according to the 3rd embodiment of this utility model and its pad.
Detailed description of the invention
Fig. 1 shows bolt 1 and the axonometric chart of the packing ring 2 with bolt 1 adaptation. Bolt 1 has head 3, at head away from the face of observer is formed with the profile for bearing moment of torsion arbitrary, well-known, it is preferred to outer-hexagonal or interior hexagonal. Shank of bolt 4 and described profile coaxially extend, and in situation about here showing, in the whole length of described shank of bolt, regulation has external screw thread and has the cross section of non-rounding.
The cross sectional shape of shank of bolt 4 can in fig. 2 it will become clear that in fig. 2, and the edge (i.e. imaginary plane extends at the bottom of screw thread in described imaginary plane) of the core of shank of bolt 4 is denoted as 5, apical threads the outer surface defined indicates with 6. Two curves 5,6 are all the cross sectional shapes of so-called arc limit triangle, and namely three limits are identical, rotational symmetric shape, and it is made up of the curvature that three identical sections are different with along girth. The cross section of the arc limit triangle shown here includes three more weak circular arc sections 7 of local inclination degree, the more weak circular arc section of described degree of crook is interconnected by the section 8 of strong bending, and can be devised by the following method, namely three have the circle of same diameter around the summit of equilateral triangle intersect and the rounding of angle of the intersection of three circles is processed.
Fig. 1 showing, shank of bolt 4 somewhat comes to a point to its free end; But shank of bolt can also have the diameter remained unchanged over the whole length.
Hole 9 with the arc limit triangle section with shank of bolt 4 complementation is placed in rounded washers 2 by bias. The free cross-section in hole 9 is only bigger than outer surface 6, so that when the shank of bolt 4 of bolt 1 is inserted in hole 9, can only rotate together with packing ring 2.
Fig. 2 is painted with the straight line A through washer center point 10 and the longitudinal axis 11 of shank of bolt 4. The core limit 5 of shank of bolt and shank of bolt outer surface 6 are divided into the part of two mirror images each other by straight line A. In the section 8 of three strong bendings of curve 5,6 one is towards central point 10, so that the curve between central point 10 and longitudinal axis 11 intersects with portion's section 8. Based on this symmetry, packing ring 2 can only have three different location or orientation when it moves on shank of bolt 4, described location or directed according to slightly different from each other from the farthest direction that shank of bolt 4 stretches out.
Fig. 3 shows the screw thread gained cutting plane of the shank of bolt 4 in the section 8 of strong bending of the direction cutting along longitudinal axis 11, and such as cutting is exactly that section 8 towards the central point 10 of packing ring 2 in the plane of straight line A. As known M-screw thread, thread contour side 12,13 each positions with 60 �� of angles of the longitudinal axis 11 one-tenth. Two are passed through to connect on the screw thread top 14 of radially straight extension along outer surface 6 when shown radially outward against the thread contour side 12,13 extended, being different from this, the bottom of thread 15 between the end of two thread contour sides relatively extended to the direction of the longitudinal axis 11 12,13 is the cross section of rounding. The width on screw thread top 14 not b is approximately corresponding to 1/8th of depth of thread t, and the described depth of thread is namely in the distance outwards and between the intersection point 16,17 extended internally of the imagination of the thread contour side 12,13 of radial measurement.
The pitch h of screw thread is less than the thickness of packing ring 2, so that realizing and the screw thread top 14 contact on the whole girth in hole 9 on each position that packing ring 2 can have along shank of bolt 4, and so make bolt 1 and packing ring 2 can extrude mutually at any point place of shank of bolt 4 or the girth in hole 9, without being transmitted between bolt 1 and packing ring 2 with the direction being not parallel to the longitudinal axis by moment of torsion.
Fig. 4 schematically illustrates the axial cross section of device, in the drawings, two assemblies are schematically represented as the pin 19 of universal joint 18 and two universal-joint forks encased by universal joint 18 herein, and are interconnected by bolt 1 and packing ring 2 adjustable ground as above. Universal joint 18 porose 20, shank of bolt 4 and bolt 1 are with only small gap, be rotatably received in hole 20. Two pins 19 each porose 21, the diameter in hole 21 is significantly greater than hole 20, and has, at the lateral surface place away from universal joint 18 in hole 21, the recess 22 that the diameter concentric with hole 21 is bigger. The diameter of recess 22 is arranged to, and makes packing ring 2 substantially irremovable on the direction being perpendicular to the longitudinal axis 11 in recess 22, but can around hole 21 and the common axis of recess 22 rotate. The function of alignment surface 29 is played on the limit of described recess, on the limit of alignment surface 29 place packing ring 2 at least point by point mutually touching or against, wherein, in alignment surface against the radius of point determine the position of axis 11. Being shown that at pin 19 place on the left side, the first packing ring 2 is in recess 22 and is stuck in the head 3 of bolt and between the shoulder 23 that hole 21 is constrained to by recess 22. Between recess 22 and the nut 24 being screwed on shank of bolt 4 of the second packing ring 2 pin 19 on the right. Right packing ring 2 is inserted on shank of bolt 4 with the location with left packing ring 2 alinement, and because in most cases just can swing with the freedom of motion in several years around axis 11 shank of bolt 4 coordinating closely in the hole 9 of packing ring.
For calibration bolt 1, on purpose nut 24 being screwed on shank of bolt 4 in so much, although making packing ring 2 but without being blocked securely, but can not deviate from from recess 22 again. So being defined the axis 25 fixing relative to universal-joint fork position by the central point 10 of two packing rings 2, packing ring can rotate with bolt 1 together with axis 25, and axis 25 is overlapping with the axis in hole 21 and recess 22.
In order to calibrate the position of longitudinal axis 11, it is possible to the head 3 of suitable instrument stud bolt 1 and rotate. The connection of form fit forces packing ring 2 to rotate together, makes bolt 1 while its longitudinal axis 11 rotates, and longitudinal axis 11 detours along the circuit orbit around axis 25. Making, in this way when the position finding axis 11 to envision in hole 21, to be fixed by bolt 1, method is fastening nut 24, torsionally holds the head 3 of bolt 1 simultaneously.
Fig. 5 shows the flexible program of bolt 1, and wherein, shank of bolt 4 has the section 26 of enlargement in section in the place being directly adjacent to head 3. One of them packing ring 2 is fixed in this section 26 by pressing. Section 26 can have the exterior contour of somewhat fluting or tooth punching, and described exterior contour is pressed into packing ring 2 when pressure is set with along the limit in hole 9, and thus produces gapless, fixing connection between bolt 1 and packing ring 2. The bolt 1 being fixedly linked by this way and packing ring 2 can be produced in batches in advance by bolt manufacturer and supply, and the assembling to reduce bolt repacking expends.
In structure shown in figure 6, that manufacture respectively with bolt 1 and and head 3 contact fixing packing ring 2 and be cancelled, the substitute is the packing ring 28 being integrally formed at head 3 place, form here is circular flange, and described circular flange is formed between outer-hexagonal 27 and shank of bolt 4 and the diameter of described circular flange is identical with the packing ring 2 of display type in the Fig. 1 being inserted on shank of bolt 4 with eccentricity.
Although it is clear that explanation and accompanying drawing in detail above illustrate the representative configuration determined of the present utility model, but these are simply for the consideration illustrated with example, should not be not understood as scope of the present utility model with being limited. Without departing under the scope of the claims below and its equivalent scope situation, the multiple modification of described structure is possible. The feature of the embodiment do not mentioned in the claims particularly can also be obtained with this explanation and accompanying drawing for starting point. These features are likely to be different from combination specifically disclosed herein to be occurred. Therefore the correctness of following conclusion can not be described at identical sentence or the fact that mutually mention multiple this feature in multi-form context, and namely they can only appear in specifically disclosed combination; The substitute is starting point substantially is, multiple such features can also be deleted or modification, as long as it does not affect of the present utility model functional.
Accompanying drawing labelling
1 bolt
2 packing rings
3 heads
4 shanks of bolt
The limit of 5 cores
6 outer surfaces
The section that 7 degree of crook are more weak
The section that 8 degree of crook are stronger
9 holes
10 central points
11 longitudinal axis
12 thread contour sides
13 thread contour sides
14 screw thread tops
At the bottom of 15 screw threads
16 intersection points
17 intersection points
18 universal joints
19 pins
20 holes
21 holes
23 recesses
24 nuts
25 axis
26 sections
27 outer-hexagonals
28 packing rings
29 calibration surface
Claims (15)
1. a bolt (1), has the shank of bolt (4) being equipped with cross section, arc limit and the head zone eccentric relative to shank of bolt (4).
2. the bolt described in claim 1, wherein, head zone include the head (3) coaxial with shank of bolt (4) and between head (3) and shank of bolt (4) first packing ring (2,28) of arranged off-centre.
3. the bolt described in claim 2, wherein, head (3) unitary design of the first packing ring (28) quilt and bolt (1).
4. according to the bolt one of claims 1 to 3 Suo Shu, wherein, Shi Hu limit, shank of bolt (4) cross section triangle.
5. according to the bolt one of claims 1 to 3 Suo Shu, wherein, the screw forming on shank of bolt be the angle of rifling minimum be 50 ��.
6. according to the bolt one of claims 1 to 3 Suo Shu, wherein, the top (14) of screw thread is at least at least 1/8th of the depth of thread (t) at the width (b) of the tip in cross section, arc limit (8).
7., with a device for bolt (1), described device has according to the bolt one of the claims Suo Shu and first packing ring (2) eccentric relative to shank of bolt (4).
8. the device described in claim 7, wherein, the first packing ring (2) can not be upper mobile at shank of bolt (4) rotationally.
9. the device described in claim 8, wherein, the first packing ring (2) is crushed on bolt (1).
10. according to the device one of claim 7 to 9 Suo Shu, wherein, hole (9) that the first packing ring (2) has bias, that be complementary to shank of bolt cross section, shank of bolt (9) can not insert in hole (9) rotationally.
11. the device described in claim 10, wherein, packing ring (2) has the plane of mirror symmetry (A) extended axially.
12. according to the device one of claim 7 to 9 Suo Shu, wherein, the second packing ring (2; 28) axially aligned arrange with the first packing ring (2).
13. according to the device one of claim 7 to 9 Suo Shu, wherein, described device also has the nut (24) complementary with bolt.
14. the device described in claim 13, wherein, nut (24) has M-screw thread.
15. according to the device one of claim 7 to 9 Suo Shu, wherein, the limit of at least one packing ring (2) is resisted against in calibration surface (29).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014014086.5A DE102014014086A1 (en) | 2014-09-23 | 2014-09-23 | Screw and screw arrangement |
DE102014014086.5 | 2014-09-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205278055U true CN205278055U (en) | 2016-06-01 |
Family
ID=55444337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201520615754.8U Expired - Fee Related CN205278055U (en) | 2014-09-23 | 2015-08-14 | Bolt and device that has bolt |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN205278055U (en) |
DE (1) | DE102014014086A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110953234A (en) * | 2019-12-18 | 2020-04-03 | 惠州卓越紧固***有限公司 | Triangular threaded screw and design method |
TWI738043B (en) * | 2019-08-28 | 2021-09-01 | 精法精密工業股份有限公司 | Quick fastening screw |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3681963A (en) * | 1970-01-19 | 1972-08-08 | Res Eng & Mfg | Self-thread forming threaded fasteners and method and apparatus for making the same |
DE3332570A1 (en) * | 1983-09-09 | 1985-03-28 | Friedr. Boesner GmbH, 5450 Neuwied | METHOD FOR PRODUCING SELF-SHAPING AND SELF-LOCKING SCREWS WITH ADDITIONAL SEALING AND / OR SETTING PROPERTIES |
DE202008011738U1 (en) * | 2008-09-03 | 2010-01-14 | Abc Umformtechnik Gmbh & Co. Kg | Connecting element with eccentric discs |
-
2014
- 2014-09-23 DE DE102014014086.5A patent/DE102014014086A1/en not_active Withdrawn
-
2015
- 2015-08-14 CN CN201520615754.8U patent/CN205278055U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI738043B (en) * | 2019-08-28 | 2021-09-01 | 精法精密工業股份有限公司 | Quick fastening screw |
CN110953234A (en) * | 2019-12-18 | 2020-04-03 | 惠州卓越紧固***有限公司 | Triangular threaded screw and design method |
Also Published As
Publication number | Publication date |
---|---|
DE102014014086A1 (en) | 2016-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20190814 |
|
CF01 | Termination of patent right due to non-payment of annual fee |