CN111795050A - Automobile engine locking bolt - Google Patents
Automobile engine locking bolt Download PDFInfo
- Publication number
- CN111795050A CN111795050A CN202010727550.9A CN202010727550A CN111795050A CN 111795050 A CN111795050 A CN 111795050A CN 202010727550 A CN202010727550 A CN 202010727550A CN 111795050 A CN111795050 A CN 111795050A
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- China
- Prior art keywords
- screw rod
- head
- automobile engine
- inner screw
- interior
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
- F16B13/066—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses an automobile engine locking bolt, which comprises an inner screw rod, a screw head, an outer screw rod and an expansion head, wherein the screw head is arranged at one end of the inner screw rod, the expansion head is arranged at the other end of the inner screw rod, the diameter of the expansion head is larger than that of the inner screw rod, an inner screw rod installation sliding cavity capable of being matched with the inner screw rod is arranged at the inner center of the outer screw rod, the outer screw rod is sleeved on the inner screw rod through the matching of the inner screw rod installation sliding cavity and the inner screw rod, and the outer screw rod is in sliding connection with the inner screw rod installation sliding cavity. The anti-loosening performance of the bolt is better.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of bolts, in particular to the technical field of automobile engine locking bolts.
[ background of the invention ]
Bolt: mechanical parts, the cylindrical threaded fastener of adapted nut, a class of fastener of compriseing head and screw rod two parts, need cooperate with the nut, a part that is used for fastening connection two areas to have the through-hole, bolted connection is called to this kind of connection form, if the nut is from the bolt, can make these two parts separately again, so bolted connection belongs to and can dismantle the connection, a vehicle that can not leave in the modern traffic on the car, the fixed bolt fastening that uses more of each part of car product, but the fastening effect of the bolt of current car fixed is not good, because can produce a large amount of vibrations in the car use, the fixed of bolt can become flexible along with vibrations, can not satisfy current demand.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides an automobile engine locking bolt which can be used for realizing the tightness of connection between a bolt and an automobile and has better anti-loosening performance.
In order to achieve the purpose, the invention provides an automobile engine locking bolt which comprises an inner screw rod, a screw head, an outer screw rod and an expansion head, wherein the screw head is arranged at one end of the inner screw rod, the expansion head is arranged at the other end of the inner screw rod, the diameter of the expansion head is larger than that of the inner screw rod, an inner screw rod installation sliding cavity capable of being matched with the inner screw rod is arranged in the inner center of the outer screw rod, the outer screw rod is sleeved on the inner screw rod through the matching of the inner screw rod installation sliding cavity and the inner screw rod, the outer screw rod is connected with the inner screw rod installation sliding cavity in a sliding mode, and outer screw rod external threads are wound on the surface of the outer screw rod.
Preferably, an inner screw sliding cavity conical opening is formed in the inner screw mounting sliding cavity at one end, far away from the female screw head, of the inner screw mounting sliding cavity, and the inner screw sliding cavity conical opening can be matched with the expansion head.
Preferably, the outer screw on be close to inner screw sliding cavity cone type open end and be equipped with a plurality of open slots, the equal outer screw center equidistance of a plurality of open slots set up, the open slot with outer screw near inner screw sliding cavity cone type open end separate into a plurality of outer screw elasticity movable pieces, the expansion head can make outer screw elasticity movable piece outwards open with inner screw sliding cavity cone type opening cooperation.
Preferably, the cross section of the inner screw is a regular polygon, and the cross section of the inner screw installation sliding cavity is a polygon which is the same as the cross section of the inner screw.
Preferably, the cross section of the screw head is a regular hexagon.
Preferably, the inner screw rod and the screw head are integrally formed.
Preferably, the inner screw rod, the screw head and the expansion head are coaxially arranged.
Preferably, one end of the screw head close to the inner screw rod is uniformly provided with a plurality of anti-skid grains.
The automobile engine locking bolt has the beneficial effects that: according to the automobile bolt, the outer screw rod is sleeved outside the inner screw rod, the expansion head is arranged at one end of the inner screw rod, the expansion head can be matched with the conical opening of the sliding cavity of the inner screw rod to enable the elastic movable sheet of the outer screw rod to expand outwards, the contact area between the elastic movable sheet and the bolt hole in an automobile is increased, the bolt is tightly supported, the friction force is increased, the connection tightness between the bolt and the automobile is improved, and the anti-loosening performance of the bolt is better.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a vehicle engine lock bolt according to the present invention;
FIG. 2 is a front cross-sectional view of an automotive engine lock bolt of the present invention;
FIG. 3 is a schematic top view of an automotive engine lock bolt according to the present invention.
In the figure: 1-internal screw rod, 2-screw head, 3-external screw rod, 4-expansion head, 21-anti-skid grain, 31-internal screw rod installation sliding cavity, 32-external screw rod external screw thread, 33-internal screw rod sliding cavity conical opening, 34-open slot and 35-external screw rod elastic movable sheet.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention
Referring to fig. 1, 2 and 3, the invention relates to an automobile engine locking bolt, which comprises an inner screw rod 1, a screw head 2, an outer screw rod 3 and an expansion head 4, wherein the screw head 2 is arranged at one end of the inner screw rod 1, the expansion head 4 is arranged at the other end of the inner screw rod 1, the diameter of the expansion head 4 is larger than that of the inner screw rod 1, an inner screw rod mounting sliding cavity 31 capable of being matched with the inner screw rod 1 is arranged at the inner center of the outer screw rod 3, the outer screw rod 3 is sleeved on the inner screw rod 1 through the matching of the inner screw rod mounting sliding cavity 31 and the inner screw rod 1, the outer screw rod 3 is slidably connected with the inner screw rod mounting sliding cavity 31, an outer screw rod external screw thread 32 is coiled on the surface of the outer screw rod 3, an inner screw rod sliding cavity opening 33 is arranged at the inner screw rod mounting sliding cavity 31 at one end far away from the nut screw head 2, the inner screw rod sliding cavity conical opening 33 can be matched with the expansion head 4, a plurality of open grooves 34 are arranged on the end of the outer screw rod 3 close to the inner screw rod sliding cavity conical opening 33, the plurality of the open slots 34 are all arranged at the same distance from the center of the outer screw rod 3, the open slots 34 divide the end of the outer screw rod 3 close to the tapered opening 33 of the sliding cavity of the inner screw rod into a plurality of outer screw rod elastic movable sheets 35, the expansion head 4 can be matched with the conical opening 33 of the sliding cavity of the inner screw rod to ensure that the elastic movable sheet 35 of the outer screw rod is outwards expanded, the cross section of the inner screw 1 is a regular polygon, the cross section of the inner screw installation sliding cavity 31 is a polygon which is the same as the cross section of the inner screw 1, the cross section of the screw head 2 is regular hexagon, the inner screw rod 1 and the screw head 2 are integrally formed, the inner screw rod 1, the screw head 2 and the expansion head 4 are coaxially arranged, and a plurality of anti-skid grains 21 are uniformly arranged at one end, close to the inner screw rod 1, of the screw head 2.
The working process of the invention is as follows:
during the working process of the automobile engine locking bolt, the outer thread 32 of the outer bolt 3 on the surface is matched with a threaded hole on an automobile to be fixed, the bolt is screwed into the threaded hole, when the bolt is screwed, the outer bolt 3 has a force towards the threaded hole due to the matching of the outer thread 32 of the outer bolt and the threaded hole, the inner bolt 1, the bolt head 2 and the expansion head 4 are integrated, the inner bolt 1 and the expansion head 4 cannot be screwed into the threaded hole continuously due to the fact that the bolt head 2 is matched with the outer end surface of the threaded hole to generate a barrier, and the expansion head 4 can be matched with the conical opening 33 of the sliding cavity of the inner bolt to enable the elastic movable piece 35 of the outer bolt to expand outwards, so that the contact area of the bolt with the bolt hole on the automobile is increased, the bolt is supported, the friction force is increased, and the tightness of the connection between.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (8)
1. The utility model provides an automobile engine lock bolt which characterized in that: including interior screw rod (1), spiral shell head (2), outer screw rod (3), inflation head (4), interior screw rod (1) one end be equipped with spiral shell head (2), interior screw rod (1) other end be equipped with inflation head (4), the diameter of inflation head (4) be greater than the diameter of interior screw rod (1), outer screw rod (3) inner center be equipped with can with interior screw rod (1) complex interior screw rod installation sliding chamber (31), outer screw rod (3) establish with interior screw rod (1) through the cooperation cover of interior screw rod installation sliding chamber (31) and interior screw rod (1) on, outer screw rod (3) and interior screw rod installation sliding chamber (31) between slidable connection, outer screw rod (3) surface coiling be equipped with outer screw rod external screw thread (32).
2. The lock bolt for an automobile engine as claimed in claim 1, wherein: an inner screw sliding cavity conical opening (33) is formed in an opening of the inner screw mounting sliding cavity (31) at one end, far away from the female screw head (2), of the inner screw mounting sliding cavity (31), and the inner screw sliding cavity conical opening (33) can be matched with the expansion head (4).
3. The lock bolt for an automobile engine as claimed in claim 2, wherein: outer screw (3) on be close to interior screw rod sliding chamber taper opening (33) end and be equipped with a plurality of open slots (34), a plurality of open slots (34) equal outer screw rod (3) center equidistance set up, open slot (34) separate into a plurality of outer screw rod elasticity movable pieces (35) with being close to interior screw rod sliding chamber taper opening (33) end of outer screw rod (3), inflation head (4) can make outer screw rod elasticity movable piece (35) outwards open with interior screw rod sliding chamber taper opening (33) cooperation.
4. The lock bolt for an automobile engine as claimed in claim 1, wherein: the cross section of the inner screw (1) is a regular polygon, and the cross section of the inner screw installation sliding cavity (31) is a polygon which is the same as the cross section of the inner screw (1).
5. The lock bolt for an automobile engine as claimed in claim 1, wherein: the cross section of the screw head (2) is in a regular hexagon shape.
6. The lock bolt for an automobile engine as claimed in claim 1, wherein: the inner screw rod (1) and the screw head (2) are integrally formed.
7. The lock bolt for an automobile engine as claimed in claim 1, wherein: the inner screw rod (1), the screw head (2) and the expansion head (4) are coaxially arranged.
8. The lock bolt for an automobile engine as claimed in claim 1, wherein: one end of the screw head (2) close to the inner screw rod (1) is uniformly provided with a plurality of anti-skid grains (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010727550.9A CN111795050A (en) | 2020-07-23 | 2020-07-23 | Automobile engine locking bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010727550.9A CN111795050A (en) | 2020-07-23 | 2020-07-23 | Automobile engine locking bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111795050A true CN111795050A (en) | 2020-10-20 |
Family
ID=72827226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010727550.9A Pending CN111795050A (en) | 2020-07-23 | 2020-07-23 | Automobile engine locking bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111795050A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191423468A (en) * | 1914-12-03 | 1915-07-08 | Thomas Alfred Smith | Improvements in Expansible Screw-threaded Sockets. |
| CN202338549U (en) * | 2011-11-17 | 2012-07-18 | 中铁十五局集团有限公司 | Jacking type self-locking bolt |
| CN108533602A (en) * | 2018-06-06 | 2018-09-14 | 海盐汇联通用配件有限公司 | A kind of Multifunctional connecting component that anti-loose ability is strong |
| CN111350736A (en) * | 2020-03-10 | 2020-06-30 | 嘉兴萨雷特汽车零部件有限公司 | Fastening bolt with good anti-loosening performance for motorcycle |
-
2020
- 2020-07-23 CN CN202010727550.9A patent/CN111795050A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191423468A (en) * | 1914-12-03 | 1915-07-08 | Thomas Alfred Smith | Improvements in Expansible Screw-threaded Sockets. |
| CN202338549U (en) * | 2011-11-17 | 2012-07-18 | 中铁十五局集团有限公司 | Jacking type self-locking bolt |
| CN108533602A (en) * | 2018-06-06 | 2018-09-14 | 海盐汇联通用配件有限公司 | A kind of Multifunctional connecting component that anti-loose ability is strong |
| CN111350736A (en) * | 2020-03-10 | 2020-06-30 | 嘉兴萨雷特汽车零部件有限公司 | Fastening bolt with good anti-loosening performance for motorcycle |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201020 |
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| RJ01 | Rejection of invention patent application after publication |