CN109268379A - A kind of bolt of built-in bullet core - Google Patents
A kind of bolt of built-in bullet core Download PDFInfo
- Publication number
- CN109268379A CN109268379A CN201811297853.0A CN201811297853A CN109268379A CN 109268379 A CN109268379 A CN 109268379A CN 201811297853 A CN201811297853 A CN 201811297853A CN 109268379 A CN109268379 A CN 109268379A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- screw rod
- bolt
- core
- rod core
- 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- Withdrawn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
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013486 operation strategy Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
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- 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
- F16B35/041—Specially-shaped shafts
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Furniture Connections (AREA)
Abstract
The invention discloses a kind of bolts of built-in bullet core, belong to a kind of bolt, the bolt includes rear cylinder, cylinder before being bolted on rear cylinder, external screw thread is set outside the cylinder that rear cylinder and front pillar body are formed, by installing screw rod core in the inside of above-mentioned cylinder, a cylindrical mesa is set at the top of screw rod core, locating piece is set on the cylinder of the top cylindrical shape table top of screw rod core, space sets securing plate between screw rod core and above-mentioned cylinder, spring is set in the lower part of securing plate, the internal diameter of spring is greater than the diameter of screw rod core, a kind of bolt of built-in bullet core is screwed into the threaded hole of equipment by spanner, recycle screwdriver, turn screw rod core, so that securing plate moves down, to squeeze spring, so that a kind of bolt of entire built-in bullet core is by outside elastic force, make the screw thread and equipment spiral shell on a kind of bolt of built-in bullet core Frictional force between the screw thread of pit increases, so that there is a phenomenon where loosen to be eased for bolt.
Description
Technical field
The present invention relates to a kind of fastening bolts, more specifically, the invention mainly relates to a kind of bolts of built-in bullet core.
Background technique
Bolt in and in industrial production and manufacturing, be can't do without in daily life, and bolt is also referred to as rice of industry,
It can be seen that bolt is extensive with it, the operation strategies of bolt are very extensive, such as: electronic product, engineering goods, digital product,
Power equipment, electromechanical engineering goods etc., anyway being that super more places are useful for bolt, bolt industrially bears important
Business, as long as there is industry on the earth, the function of bolt is forever important, and for now, bolt on the market is mostly national standard
Product or ISO product, but often there is certain defects for certain specific occasions for these standard components, such as:
On the mechanical equipment of movement, it is desirable that bolt was mounted in threaded hole within the angular length time the phenomenon that being not in loosening, such as: vapour
Bolt etc. on wheel hub, therefore, it is necessary to bolt in equipment run duration after lead to the problem of long afterwards loosen progress
Research and improvement.
Summary of the invention
One of the aims of the present invention is to provide...in response to the above drawbacks a kind of bolts of built-in bullet core, are solved with expectation existing
There is in technology bolt run duration in equipment the technical problems such as loosen after generating long afterwards.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of bolt of built-in bullet core provided by the present invention, the bolt includes rear cylinder, and rear cylinder and preceding cylinder pass through
Stud is fixed as one, and the inside of the rear cylinder and preceding cylinder is equipped with screw rod core, and the top of the screw rod core is equipped with locating piece,
The bottom of the screw rod core is equipped with securing plate, and the securing plate lower part is equipped with spring.
Preferably, further technical solution is: the top of the rear cylinder being fixed as one and preceding cylinder is six
The middle part of angle head, the rear cylinder being fixed as one and preceding cylinder is equipped with three-level stepped ramp type through-hole, and the three-level stepped ramp type is logical
The diameter in hole is greater than the diameter of screw rod core, it is described after cylinder and preceding cylinder longitudinally occupy respectively three-level stepped ramp type through-hole two/
One.
Further technical solution is: the top of the screw rod core is equipped with cylinder table top, the top of the cylinder table top
Equipped with cross recess, the middle part of the screw rod core does not set screw thread, and the bottom of the screw rod core is equipped with screw thread.
Further technical solution is: the centre of the securing plate is equipped with through-hole, and the through-hole is equipped with screw thread, described
The screw thread of securing plate and screw rod core lower part matches.
Compared with prior art, beneficial effects of the present invention first is that: in order to facilitate the installation of screw rod core, stud is divided into
Cylinder and preceding cylinder afterwards are fixed at the top of rear cylinder and preceding cylinder by stud, in the cylinder that rear cylinder and front pillar body are formed
Inside set three-level type step through-hole, the middle section diameter of three-level step through-hole is minimum, and the diameter of middle section is greater than screw rod
The diameter of core enables screw rod core to be mounted on rear cylinder and front pillar body forms the inside of cylinder, one is set at the top of screw rod core
Diameter is greater than the cylindrical mesa of screw core diameter, and the cruciform groove being recessed inwardly is set at the top of cylindrical mesa, is made
Used time, user can be installed by Phillips screwdriver or straight screwdriver, in the top cylindrical shape table top of screw rod core
Locating piece, locating piece and rear cylinder are set on cylinder and front pillar body forms the groove gap cooperation that top is set, so that screw rod core will not
Axial displacement is occurred by elastic force, smooth cylindrical surface will be set in the middle part of screw rod core, the length of smooth, cylindrical peripheral surface is equal to rear pillar
The length of internal three-level step through-hole middle section, for reduce screw rod core and rear cylinder and front pillar body formed cylinder inner wall it
Between friction, set screw thread in the lower part of screw rod core, between the cylinder that screw rod core and rear cylinder and front pillar body are formed space set plus
Solid plate sets spring in the lower part of securing plate, the internal diameter of spring is greater than screw rod core using being threadedly engaged between securing plate and screw rod core
Diameter, a kind of bolt of built-in bullet core is screwed into the threaded hole of equipment by spanner, recycle screwdriver, turn screw rod
Core, so that securing plate moves down, to squeeze spring, so that a kind of bolt of entire built-in bullet core is by outside elastic force, from
And increase the frictional force between the screw thread of the screw thread and equipment threaded hole on a kind of bolt of built-in bullet core, so that bolt is sent out
Raw the phenomenon that loosening, is eased.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for illustrating one embodiment of the invention;
Fig. 2 is top surface structure schematic diagram of the invention;
Fig. 3 is top view of the invention;
In figure, 1 it is spring, 2 is securing plate, 3 is rear cylinder, 4 is screw rod core, 5 is locating piece, 6 is stud, 7 is preceding cylinder.
Specific embodiment
The present invention is further elaborated with reference to the accompanying drawing.
A kind of bolt of built-in bullet core with reference to shown in Fig. 1, the bolt includes rear cylinder 3, before installing on rear cylinder 3
Cylinder 7, preceding cylinder 7 and rear cylinder 3 are in symmetrical structure, and the top of preceding cylinder 7 is the half of turret head, and the top of turret head
The vertex of the vertical straight plane of cylinder 7, was arranged countersunk head tapped through hole, in rear cylinder on the cylinder of hexagonal both sides of head before putting
The threaded hole of 3 corresponding position setting same size, but, this threaded hole is not through-hole, by preceding cylinder 7 and rear cylinder 3
Bolt 6 is installed the two is fixed as one on threaded hole, forms cylinder, external screw thread is set in the outer surface of above-mentioned cylinder, is passed through
Screw rod core 4 is installed in the inside of above-mentioned cylinder, sets a cylindrical mesa at the top of screw rod core 4, in the top of screw rod core 4 circle
Locating piece 5 is set on the cylinder of cylindricality table top, groove that locating piece 5 and above-mentioned cylinder are set cooperates, so that screw rod core 4 will not be by
Axial displacement occurs to elastic force, the middle part of screw rod core 4 is set to smooth cylindrical surface, for reducing in screw rod core 4 and rear cylinder 3
Friction between wall, space sets securing plate 2 between screw rod core 4 and above-mentioned cylinder, and spiral shell is used between securing plate 2 and screw rod core 4
Line cooperation sets spring 1 in the lower part of securing plate 2, and the internal diameter of spring 1 is greater than the diameter of screw rod core 4, will be built in one kind by spanner
The bolt of bullet core is screwed into the threaded hole of equipment, is recycled screwdriver, is turned screw rod core 4, so that securing plate 2 moves down, from
And spring 1 is squeezed, so that a kind of bolt of entire built-in bullet core by outside elastic force, makes the spiral shell on a kind of bolt of built-in bullet core
Frictional force between line and the screw thread of equipment threaded hole increases, so that there is a phenomenon where loosen to be eased for bolt.
In the present embodiment, for the ease of using, hexagonal will be set as at the top of cylinder that preceding cylinder 7 and rear cylinder 3 are formed
Head, turret head is having a size of national standard, so that die nut on the market can be adapted to, sets three-level type step in the inside of above-mentioned cylinder
The middle section diameter of through-hole, three-level step through-hole is minimum, and the diameter of middle section is greater than the diameter of screw rod core 4, three-level step
The diameter of via top is equal to the diameter of 4 top cylindrical shape table top of screw rod core, and the diameter of three-level step through-hole lower part, which is equal to, to be reinforced
The outer diameter of plate 2.
It is according to another embodiment of the invention, easy to use for operator referring again to shown in Fig. 1, in screw rod core 4
Top setting diameter be greater than 4 diameter of screw rod core cylindrical mesa, cylindrical mesa top surface be equipped with cross groove, cross
Type groove is Phillips screwdriver use, or straight screwdriver uses, in order to reduce the difficulty of assembly in assembling process,
The middle part of screw rod core 4 is not set into screw thread, is set as smooth cylindrical surface, so that three-level stepped hole in screw rod core 4 and above-mentioned cylinder
Frictional force between middle section is minimum, and the length of 4 smooth, cylindrical peripheral surface of screw rod core is equal in above-mentioned cylinder among three-level stepped hole
Partial length sets screw thread in the bottom of screw rod core 4.
Refering to what is shown in Fig. 1, the above-mentioned preferred one embodiment of the present invention is in actual use, securing plate 2 is column, is added
The centre of solid plate 2 is equipped with through-hole, and the diameter of through-hole is equal to the diameter of screw rod core 4, and the through-hole of securing plate 2 is equipped with screw thread, reinforces
The screw thread of 4 lower part of screw thread and screw rod core in plate 2 cooperates, the smooth outer surface of securing plate 2, and outer diameter is equal in above-mentioned cylinder
The diameter of three-level type step through-hole lower part.
Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation
Example ", " embodiment " etc. refer to that specific features, structure or the feature of embodiment description is combined to be included in the application summary
Property description at least one embodiment in.It is not centainly to refer to the same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that is advocated is knot when describing a specific features, structure or feature in conjunction with any embodiment
Other embodiments are closed to realize that this feature, structure or feature are also fallen within the scope of the present invention.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations will fall in this Shen
It please be within disclosed scope and spirit.More specifically, disclose in the application, drawings and claims in the range of, can
With the building block and/or a variety of variations and modifications of layout progress to theme combination layout.In addition to building block and/or layout
Outside the variations and modifications of progress, to those skilled in the art, other purposes also be will be apparent.
Claims (4)
1. a kind of bolt of built-in bullet core, it is characterised in that: the bolt includes rear cylinder (3), it is described after cylinder (3) and before
Cylinder (7) is fixed as one by stud (6), and the inside of the rear cylinder (3) and preceding cylinder (7) is equipped with screw rod core (4), described
The top of screw rod core (4) is equipped with locating piece (5), and the bottom of the screw rod core (4) is equipped with securing plate (2), under the securing plate (2)
Portion is equipped with spring (1).
2. a kind of bolt of built-in bullet core according to claim 1, it is characterised in that: the rear cylinder (3) being fixed as one
It is turret head with the top of preceding cylinder (7), the middle part of the rear cylinder (3) being fixed as one and preceding cylinder (7) is equipped with three-level
Stepped ramp type through-hole, the diameter of the three-level stepped ramp type through-hole are greater than the diameter of screw rod core (4), the rear cylinder (3) and preceding cylinder
(7) longitudinally occupy the half of three-level stepped ramp type through-hole respectively.
3. a kind of bolt of built-in bullet core according to claim 1, it is characterised in that: set at the top of the screw rod core (4)
There is cylinder table top, the top of the cylinder table top is equipped with cross recess, and the middle part of the screw rod core (4) does not set screw thread, the spiral shell
The bottom of bar core (4) is equipped with screw thread.
4. a kind of bolt of built-in bullet core according to claim 1, it is characterised in that: the centre of the securing plate (2) is set
There is a through-hole, the through-hole is equipped with screw thread, and the screw thread of the securing plate (2) and screw rod core (4) lower part matches.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811297853.0A CN109268379A (en) | 2018-11-02 | 2018-11-02 | A kind of bolt of built-in bullet core |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811297853.0A CN109268379A (en) | 2018-11-02 | 2018-11-02 | A kind of bolt of built-in bullet core |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109268379A true CN109268379A (en) | 2019-01-25 |
Family
ID=65192429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811297853.0A Withdrawn CN109268379A (en) | 2018-11-02 | 2018-11-02 | A kind of bolt of built-in bullet core |
Country Status (1)
Country | Link |
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CN (1) | CN109268379A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109707722A (en) * | 2019-02-28 | 2019-05-03 | 海盐嘉海五金有限公司 | A kind of automotive hub connection bolt |
CN110094403A (en) * | 2019-05-14 | 2019-08-06 | 扬州市金诺尔不锈钢有限公司 | A kind of high-strength stainless steel fastening |
-
2018
- 2018-11-02 CN CN201811297853.0A patent/CN109268379A/en not_active Withdrawn
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109707722A (en) * | 2019-02-28 | 2019-05-03 | 海盐嘉海五金有限公司 | A kind of automotive hub connection bolt |
CN109707722B (en) * | 2019-02-28 | 2023-12-26 | 海盐嘉海五金有限公司 | Automobile hub connecting bolt |
CN110094403A (en) * | 2019-05-14 | 2019-08-06 | 扬州市金诺尔不锈钢有限公司 | A kind of high-strength stainless steel fastening |
CN110094403B (en) * | 2019-05-14 | 2021-03-09 | 扬州市金诺尔不锈钢有限公司 | High-strength stainless steel fastener |
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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: 20190125 |