CN109306997A - A kind of automobile high-strength fastener locking assembling bolt - Google Patents
A kind of automobile high-strength fastener locking assembling bolt Download PDFInfo
- Publication number
- CN109306997A CN109306997A CN201811543496.1A CN201811543496A CN109306997A CN 109306997 A CN109306997 A CN 109306997A CN 201811543496 A CN201811543496 A CN 201811543496A CN 109306997 A CN109306997 A CN 109306997A
- Authority
- CN
- China
- Prior art keywords
- head
- skid washer
- screw rod
- slop serrations
- automobile high
- 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.)
- Withdrawn
Links
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004381 surface treatment Methods 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object
-
- 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
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a kind of automobile high-strength fastener locking assembling bolts, comprising: connected head and screw rod, the head has supporting surface, and offers multiple equally distributed first anti-slop serrations on the support surface；The screw rod has integrally formed smooth department and threaded portion, and the anti-skid washer that can be moved axially along the screw rod is arranged on the smooth department；The longitudinal cross-section on the anti-skid washer, the close head is even surface, multiple equally distributed second anti-slop serrations are offered on the longitudinal cross-section of the anti-skid washer, the close threaded portion, through the above way, the present invention has stable axial clamping force after capable of guaranteeing bolt assembly, to solve the problems, such as the decaying of privileged sites bolt torque, bolt looseness, abnormal sound, the product quality of vehicle is improved.
Description
Technical field
The present invention relates to a kind of fastener bolt, in particular to a kind of automobile high-strength fastener locking assembling bolt.
Background technique
Currently, domestic new-energy automobile is to realize vehicle lightweight, to the structure of the important connecting portion such as vehicle body, chassis
Design optimization has been carried out with material, has used the materials such as aluminium alloy or magnesium alloy, has been filled during the connection process using high-strength bolt
After matching, since phenomena such as torque decaying, piece surface conquassation occurs in the relationship of design of part, vehicle generates during road test
The defects of bolt looseness, fracture, abnormal sound, seriously affects the safety of running car.
Summary of the invention
The invention mainly solves the technical problem of providing a kind of automobile high-strength fastener locking assembling bolts, can
There is stable axial clamping force after guaranteeing bolt assembly, to solve the decaying of privileged sites bolt torque, bolt looseness, abnormal sound
The problem of, improve the product quality of vehicle.
In order to solve the above technical problems, one technical scheme adopted by the invention is that: it is tight to provide a kind of automobile high-strength
The locking assembling bolt of firmware, comprising: connected head and screw rod；
The head has supporting surface, and offers multiple equally distributed first anti-slop serrations on the support surface；
The screw rod has integrally formed smooth department and threaded portion, and being arranged on the smooth department can be along the screw shaft
To mobile anti-skid washer；
The longitudinal cross-section on the anti-skid washer, the close head is even surface, the anti-skid washer, the close screw thread
Multiple equally distributed second anti-slop serrations are offered on the longitudinal cross-section in portion.
In a preferred embodiment of the present invention, the hardness of the head and the screw rod need to be greater than the anti-skid washer
Hardness.
In a preferred embodiment of the present invention, the tooth form of first anti-slop serrations is straight tooth-shaped.
In a preferred embodiment of the present invention, the tooth form of second anti-slop serrations is zigzag
The beneficial effects of the present invention are: a kind of automobile high-strength fastener locking assembling bolt of the present invention, by using in head
Portion is arranged the first anti-slop serrations, while using the second anti-slop serrations are arranged on anti-skid washer, so that anti-slop serrations during tightening
Tooth form is embedded in anti-skid washer and clamped part, and biggish frictional force is then generated at insertion, plays good anti-loosing effect,
There is stable axial clamping force after ensure that bolt assembly, to solve privileged sites bolt torque decaying, bolt looseness, different
Loud problem improves the product quality of vehicle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present invention in a preferred embodiment；
Fig. 2 is the side view of anti-skid washer shown in Fig. 1；
Fig. 3 is the side view on head shown in Fig. 2；
The components in the drawings are labeled as follows: 1, head, 2, screw rod, 3, anti-skid washer, 11, supporting surface, the 12, first anti-slop serrations,
21, threaded portion, 22, smooth department, 31, even surface, the 32, second anti-slop serrations.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Fig. 1-3 is please referred to, the embodiment of the present invention includes:
A kind of automobile high-strength fastener locking assembling bolt, comprising: connected head 1 and screw rod 2；
The head 1 has supporting surface 11, and multiple equally distributed first anti-slop serrations 12 are offered on the supporting surface 11；
The screw rod 2 has integrally formed smooth department 22 and threaded portion 21, and being arranged on the smooth department 22 can be along institute
State the anti-skid washer 3 of the axial movement of screw rod 2；
The longitudinal cross-section on the anti-skid washer 3, the close head 1 is even surface 31, the anti-skid washer 3, close institute
It states and offers multiple equally distributed second anti-slop serrations 32 on the longitudinal cross-section of threaded portion 21.
It further illustrating, the head 1 need to be greater than the hardness of the anti-skid washer 3 with the hardness of the screw rod 2, so as to
Enough guarantee that the first anti-slop serrations 12 of 1 supporting surface 11 of head can be embedded in anti-skid washer 3, to realize head 1 and anti-skid washer 3
Between it is axial locking.
It further illustrates, the tooth form of first anti-slop serrations 12 is straight tooth-shaped, and the tooth form of second anti-slop serrations 32 is saw
Tooth form enables the first anti-slop serrations 12 and the second anti-slop serrations 32 to have the axial grasp of the tool of varying strength, so that
Guarantee the service life of bolt itself during clamping, and also can be further improved anti-loosing effect.
Further illustrate, present invention discloses a kind of automobile high-strength fastener locking assembling bolts, specific to transport
It is as follows with principle:
Firstly, the threaded portion 21 of screw rod 2 is inserted into part to be clamped, spiral is carried out by screw thread and is tightened, gradually with screw rod 2
Deeply, so that the anti-skid washer 3 being located on screw rod smooth department 22 is gradually driven to head 1, as screw rod 2 is further pressed
Tightly, so that the first anti-slop serrations 12 on 1 supporting surface 11 of head are embedded on the even surface on anti-skid washer 3, while anti-skid washer 3
On the second anti-slop serrations 22 be also embedded in the surface of part to be clamped, under the action of the first anti-slop serrations 12 and the first anti-slop serrations 32,
So that generating frictional force between head 1, anti-skid washer 3 and part to be clamped, solve different materials and different surface treatment shape
Influence of the state to screw-down torque, the axial pre tightening force after realizing bolt assembly are stablized.
It is different from the prior art, a kind of automobile high-strength fastener locking assembling bolt of the present invention, by using in head
The first anti-slop serrations 12 are arranged in portion 1, while using the second anti-slop serrations 32 are arranged on anti-skid washer 3, so that preventing during tightening
In the tooth form insertion anti-skid washer 3 of slip teeth and clamped part, biggish frictional force is then generated at insertion, is played good anti-
Loose effect has stable axial clamping force after ensure that bolt assembly, to solve the decaying of privileged sites bolt torque, bolt
The problem of loosening, abnormal sound, improve the product quality of vehicle.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (4)
1. a kind of automobile high-strength fastener locking assembling bolt characterized by comprising connected head and screw rod；
The head has supporting surface, and offers multiple equally distributed first anti-slop serrations on the support surface；
The screw rod has integrally formed smooth department and threaded portion, and being arranged on the smooth department can be along the screw shaft
To mobile anti-skid washer；
The longitudinal cross-section on the anti-skid washer, the close head is even surface, the anti-skid washer, the close screw thread
Multiple equally distributed second anti-slop serrations are offered on the longitudinal cross-section in portion.
2. automobile high-strength fastener locking assembling bolt according to claim 1, which is characterized in that the head with
The hardness of the screw rod need to be greater than the hardness of the anti-skid washer.
3. automobile high-strength fastener locking assembling bolt according to claim 1, which is characterized in that described first is anti-
The tooth form of slip teeth is straight tooth-shaped.
4. automobile high-strength fastener locking assembling bolt according to claim 1, which is characterized in that described second is anti-
The tooth form of slip teeth is zigzag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543496.1A CN109306997A (en) | 2018-12-17 | 2018-12-17 | A kind of automobile high-strength fastener locking assembling bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543496.1A CN109306997A (en) | 2018-12-17 | 2018-12-17 | A kind of automobile high-strength fastener locking assembling bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109306997A true CN109306997A (en) | 2019-02-05 |
Family
ID=65221602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811543496.1A Withdrawn CN109306997A (en) | 2018-12-17 | 2018-12-17 | A kind of automobile high-strength fastener locking assembling bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109306997A (en) |
-
2018
- 2018-12-17 CN CN201811543496.1A patent/CN109306997A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190205 |