CN207762098U - Bolt - Google Patents
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- CN207762098U CN207762098U CN201721757750.9U CN201721757750U CN207762098U CN 207762098 U CN207762098 U CN 207762098U CN 201721757750 U CN201721757750 U CN 201721757750U CN 207762098 U CN207762098 U CN 207762098U
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Abstract
The utility model is to be related to mechanical five metals part technical field about a kind of bolt.The technical solution mainly used for：A kind of bolt comprising：Bolt head；Shank of bolt, the first end of the shank of bolt is connect with the bolt head first end, the shank of bolt first end side wall is provided at least two steps, the step is arranged along the shank of bolt first end to the shank of bolt second end successively, and the sectional area for the step being arranged from the shank of bolt first end to the shank of bolt second end is sequentially reduced；The second end side wall of the shank of bolt is provided with external screw thread.The bolt provided in technical solutions of the utility model can be used in the component that connection waits for that one end through-hole is big compared with other end threaded hole in connector, i.e., can coordinate with above-mentioned through-hole close to the step of bolt head, and shaking is generated after avoiding connection；The intensity that shank of bolt can be increased with the sequentially connected step of step close to bolt head simultaneously, increases the anti-shear ability of shank of bolt.
Description
Technical field
The utility model is related to mechanical five metals part technical fields, more particularly to a kind of bolt.
Background technology
Currently, the connection and fastening of two parts are carried out usually using the mode of screw-thread fit, it is most common to connect, is tight
Gu component is bolt, the screw rod two parts of bolt by head and with externally threaded cylinder form, need to be with nut or screw thread
Hole coordinates, and can connect and fasten two and carry the component of through-hole, or be connected on the component for being threaded hole.
It is threaded hole 2 to connect one end as shown in Figure 1 be 1 other end of through-hole, and has between through-hole 1 and threaded hole 2
When the structure member of installation space, it is desirable that bolt 3 can connect after through-hole 1 with the threaded hole 2 of the parts, be wanted at this time
Ask through-hole 1 bigger 1mm than the diameter of bolt 3 or so, ensure that bolt 3 can smoothly be connect across through-hole 1 with threaded hole 2.But
When the 2 place end face of threaded hole of the structure member is there are when other structures, the processing of threaded hole 2 needs to carry out from 1 side of through-hole, i.e.,
Pass through through-hole 1 to carry out the processing of threaded hole 2 using screw tap, so in order to ensure to process qualified threaded hole 2, through-hole 1 it is straight
Diameter is greater than the maximum gauge of screw tap, and the diameter for eventually leading to through-hole 1 in this way is excessive, and through-hole 1 and threaded hole 2 are passed through in bolt 3
When connection, the Flange Plane and through-hole contact area of bolt head are too small, and bolt 3 and the frictional force of 1 end face of through-hole reduce, unfavorable
In being fastenedly connected for bolt 3, and screw rod shakes that space is excessive in through-holes, influences the service life of bolt 3.
In the prior art in view of the above technical problems, usually as shown in Fig. 2, using the side that through-hole 1 is processed into stepped hole
Formula places a bushing 4 in stepped hole, to reduce shaking of the screw rod in through-hole 1, while increasing and being connect with 1 end face of through-hole
Contacting surface is accumulated, but such mode needs additionally to increase a bushing 4, and needs above-mentioned through-hole 1 being processed into stepped hole, is increased
Processing cost and bolted cost, and then increase the machine cost using bolt and the structure member.Another
Mode is a step coordinated with through-hole to be arranged near bolt head in shank of bolt, but such mode is not suitable for bolt
Bar is longer, and has connection in the middle part of shank of bolt, has the case where shearing force, and shank of bolt at this time is easy under the action of shearing force
It is broken.
Utility model content
The main purpose of the utility model is that a kind of new structural bolt is provided, the technical problem to be solved is that
The case where one end that connector can be applicable in is compared with large through-hole, while ensureing the intensity of bolt, thus more suitable for practicality.
The purpose of this utility model and its technical problem is solved using following technical scheme to realize.According to this practicality
A kind of bolt of novel proposition comprising：
Bolt head；
Shank of bolt, the first end of the shank of bolt are connect with the bolt head first end, the shank of bolt first end side wall
At least two steps are provided with, the step is arranged along the shank of bolt first end to the shank of bolt second end successively, from institute
The sectional area for stating the step that shank of bolt first end is arranged to the shank of bolt second end is sequentially reduced；
The second end side wall of the shank of bolt is provided with external screw thread.
It the purpose of this utility model and solves its technical problem following technical measures also can be used to further realize.
Preferably, bolt above-mentioned, wherein the step includes the first sub- step and the second sub- step, the first sub- platform
Rank and the second sub- step are arranged along the shank of bolt first end to the shank of bolt second end successively；
The first sub- step profile section is circle, and the section of the second sub- step is round or rectangular.
Preferably, bolt above-mentioned, wherein the diameter 1-5mm big compared with the nominal diameter of shank of bolt of the first sub- step.
Preferably, bolt above-mentioned, wherein the length of the first sub- step is 3-15mm.
Preferably, bolt above-mentioned, wherein the both sides up and down of the second end section of the shank of bolt are parallel straight line, it is left
Right both sides are symmetrical circular arc, and the external screw thread is arranged in the arc position.
Preferably, bolt above-mentioned, wherein the second end setting of the bolt head is fluted.
Preferably, bolt above-mentioned, wherein the groove is one in hexagonal indentations, triangular groove or rectangular recess
Kind.
Preferably, bolt above-mentioned, wherein the outer contour shape of the bolt head is in hexagon, circle or square
One kind.
Preferably, bolt above-mentioned further includes：The first end in the bolt head is arranged in ring flange, the ring flange
Between the first end of the shank of bolt.
Preferably, bolt above-mentioned, wherein the surface that the ring flange is located at the shank of bolt side is provided with spiral shape
Anti-skid chequer.
By above-mentioned technical proposal, the utility model bolt at least has following advantages：
A kind of novel bolt is provided in technical solutions of the utility model, the side wall of the first end of shank of bolt is provided with
At least two steps, and direction of the sectional area of step from the first end of shank of bolt to second end is sequentially reduced, and can be used in connecting
The component that one end through-hole is big compared with other end threaded hole in connector is received, i.e., can be matched with above-mentioned through-hole close to the step of bolt head
It closes, shaking is generated after avoiding connection；It can increase the strong of shank of bolt with the sequentially connected step of step close to bolt head simultaneously
Degree, increases the anti-shear ability of shank of bolt, so that bolt is arranged longer, and the sectional area of the step set gradually subtracts successively
It is small, through-hole can be smoothly penetrated in use；In addition it can by with close to bolt head sequentially connected of step
The section of rank is arranged to special shape, such as squarely is arranged, and the completely special construction of group during the connection process needs, increases simultaneously
Add the integral strength of shank of bolt；Additionally the position for being connect with turning tool of bolt head can be arranged to inner groovy
Structure, such as interior hexagonal, Triangle ID etc., while mitigating bolt weight, do not influence the intensity of bolt, while can make bolt
The link position screwed applied to inconvenient common wrench.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Description of the drawings
Fig. 1 is that the embodiments of the present invention provide in the prior art, and it is threaded hole that a kind of one end, which is the through-hole other end,
Structural member and bolt attachment structure schematic diagram；
Fig. 2 is that the embodiments of the present invention provide in the prior art, and another one end is that the through-hole other end is screw thread
The structural member in hole and the attachment structure schematic diagram of bolt；
Fig. 3 is a kind of structural schematic diagram for bolt that the embodiments of the present invention provide；
Fig. 4 is a kind of second end cross section structure schematic diagram of the shank of bolt for bolt that the embodiments of the present invention provide；
Fig. 5 is the cutting at the bolt head position for another bolt that the embodiments of the present invention provide in the axial direction
Structural schematic diagram.
Specific implementation mode
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model is taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes bolt its specific implementation mode, structure, feature and
Its effect is described in detail as after.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same reality
Apply example.In addition, the special characteristic, structure or feature in one or more embodiments can be combined by any suitable form.
As shown in figure 3, a kind of bolt that one embodiment of the utility model proposes comprising：Bolt head 51 and bolt
Bar 52；The first end of the shank of bolt 52 is connect with 51 first end of the bolt head, the setting of 52 first end side wall of the shank of bolt
There are at least two steps 521, the step 521 to be set successively to 52 second end of the shank of bolt along 52 first end of the shank of bolt
It sets, the sectional area for the step 521 being arranged from 52 first end of the shank of bolt to 52 second end of the shank of bolt is sequentially reduced；
The second end side wall of the shank of bolt 52 is provided with external screw thread 522.
Specifically, bolt diameter can be arranged to various specifications, such as usually used 39mm bolts below, spiral shell
The material of bolt can be metal, such as carbon steel, aluminium alloy or plastic cement, can also be other meet bolt strength with
And the material of requirement, herein the utility model be not specifically limited.The structure of bolt head can be shape be hexagonal or
The positive and negative shape of person, the structure of bolt head can also be special construction, such as in hexagonal, Triangle ID or other special knots
Structure needs on bolt head to suppress model coding according to national regulation, and the length and other sizes size of bolt head can bases
The nominal diameter and national regulation of bolt are configured, and the length and other sizes size of bolt head can also make in satisfaction
Under the premise of with intensity, specifically it is arranged according to the design feature of connector, the utility model is not specifically limited herein；Spiral shell
The length and nominal diameter of tightening latch can be specifically arranged according to national regulation, can also be before meeting intensity requirement
It puts, needs to be arranged to required length and nominal diameter according to using；The step of close bolt head on shank of bolt is
All step middle section products are maximum and preferably round, and needs are adapted with the connection through-hole of connector, such as close to bolt
Head step diameter be more than shank of bolt engineering diameter 1-5mm, the length group of the step in 2-18mm, also note that
The step for being proximate to bolt head length, it is also necessary to manufactured with the length and nominal diameter of screw rod, on shank of bolt
Numbers of steps is also required to be manufactured with the length of shank of bolt.
A kind of novel bolt is provided in technical solutions of the utility model, the side wall of the first end of shank of bolt is provided with
At least two steps, and direction of the sectional area of step from the first end of shank of bolt to second end is sequentially reduced, and can be used in connecting
The component that one end through-hole is big compared with other end threaded hole in connector is received, i.e., can be matched with above-mentioned through-hole close to the step of bolt head
It closes, shaking is generated after avoiding connection；It can increase the strong of shank of bolt with the sequentially connected step of step close to bolt head simultaneously
Degree, increases the anti-shear ability of shank of bolt, so that bolt is arranged longer, and the sectional area of the step set gradually subtracts successively
It is small, through-hole can be smoothly penetrated in use；In addition it can by with close to bolt head sequentially connected of step
The section of rank is arranged to special shape, such as squarely is arranged, and the completely special construction of group during the connection process needs, increases simultaneously
Add the integral strength of shank of bolt；Additionally the position for being connect with turning tool of bolt head can be arranged to inner groovy
Structure, such as interior hexagonal, Triangle ID etc., while mitigating bolt weight, do not influence the intensity of bolt, while can make bolt
The link position screwed applied to inconvenient common wrench.
As shown in figure 3, in specific implementation, wherein the step includes the first sub- step 5211 and the second sub- step
5212, the first sub- step, 5211 and second sub- step 5212 is successively along 52 first end of the shank of bolt to the shank of bolt 52
Second end is arranged；First sub- step, 5211 section is circle, and the section of the second sub- step 5212 is round or side
Shape.
Specifically, the quantity of shank of bolt top bar is preferably positioned to two, wherein the first sub- step be used for shown in Fig. 1
Through-hole is adapted to, and the section that needs to be arranged to of the first sub- step is circular structure, and the nominal of diameter more preferably greater than shank of bolt is straight
Diameter 1-5mm, for example, when the nominal diameter of bolt be 5mm once when, the diameter of the first sub- step is big compared with the nominal diameter of bolt
1mm；When the nominal diameter of bolt is 6-12mm, the diameter 2mm big compared with the nominal diameter of bolt of the first sub- step；When bolt
When nominal diameter is 14-20mm, the diameter 3mm big compared with the nominal diameter of bolt of the first sub- step；When the nominal diameter of bolt is
When 22-30mm, the diameter 4mm big compared with the nominal diameter of bolt of the first sub- step；When the nominal diameter of bolt is 33-39mm,
The diameter 5mm big compared with the nominal diameter of bolt of first sub- step.The cross sectional shape of the second sub- step at this time can be according to connection
Need to be arranged to required cross sectional shape when use, such as round either rectangular in addition it being triangle or six
Side shape etc., specific sectional area can specifically be set according to the size for the shearing force of being born.First sub- step is straight
In the case that diameter determines, length is also required to meet the requirement of 3-15mm, such as when the nominal diameter of bolt is 5mm or less,
The length of first sub- step is 3 or 5mm；When the nominal diameter of bolt is 6-12mm, the length of the first sub- step is 5 or 7mm；
When the nominal diameter of bolt is 14-20mm, the length of the first sub- step is 5,7 or 10mm；When the nominal diameter of bolt is 22-
When 30mm, the length of the first sub- step is 7,10 or 12mm；When the nominal diameter of bolt is 33-39mm, the first sub- step
Length is 13,15 or 17mm.The length of the second sub- step at this time can ensure shank of bolt second end connection screw thread length
Under the premise of arbitrary length is set.
As shown in figure 4, in specific implementation, wherein the both sides up and down of the second end section of the shank of bolt are parallel straight
Line, the left and right sides are symmetrical circular arc, and the external screw thread 522 is arranged in the arc position.
Specifically, since no matter bolt is most using in the car or in other mechanical equipments, being required in the prior art
The possible overall weight for mitigating automobile or mechanical equipment, it is possible in the case where ensureing to be threadedly coupled intensity, by spiral shell
The second end of tightening latch is arranged to the structure of half-thread, as described above by the second end of shank of bolt it is opposite cut away two pieces it is arc-shaped
Second end section of shank of bolt is arranged to such as above-mentioned structure by block, i.e., both sides are parallel straight line up and down, and the left and right sides is
The section of symmetrical circular arc, then external screw thread setting not only ensure that the threaded connection intensity of shank of bolt in this way in arc position,
The overall weight of bolt is alleviated simultaneously.
As shown in figure 5, in specific implementation, the second end setting fluted 511 of the bolt head 51.
Specifically, groove can be set to one kind in hexagonal indentations, triangular groove or rectangular recess, i.e., by spiral shell
Bolt is arranged to hexagon socket head cap screw or Triangle ID bolt or interior four corner bolt.Such set-up mode makes the utility model provide
Bolt the outer contour shape of bolt head can be arranged to circle, can be screwed when in use such as connector by tool
Counterbore in；Bolt provided by the utility model can additionally be applied in the connection structure that common wrench can not screw,
Then it is screwed by interior hexagonal, Triangle ID or interior quadrangle spanner, makes bolt suitable for various connection structures.
As shown in figure 3, further, the outer contour shape of the bolt head 51 is in hexagon, circle or square
One kind.
As shown in figure 3, in specific implementation, bolt provided by the utility model further includes：Ring flange 53, the ring flange
53 are arranged between the first end and the first end of the shank of bolt 52 of the bolt head 51.
Specifically, the area of ring flange can be set according to the nominal diameter of bolt, and with reference to national standard into
Row setting, the contact area of bolt and connecting component can be increased by the setting of ring flange, increases frictional force between the two,
Keep the connection of bolt and band connection component even closer.
Further, ring flange is located at the surface of the shank of bolt side and is provided with spiral anti-skid chequer.
So that the frictional force between bolt and connecting component is further increased specifically, adding anti-skid chequer, can bolt with
After connecting component connection fastening, the relaxation of bolt is effectively prevented.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention,
It is still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of bolt, which is characterized in that it includes：
Bolt head；
Shank of bolt, the first end of the shank of bolt are connect with the bolt head first end, the shank of bolt first end side wall setting
There are at least two steps, the step is arranged along the shank of bolt first end to the shank of bolt second end successively, from the spiral shell
Tightening latch first end is sequentially reduced to the sectional area for the step that the shank of bolt second end is arranged；
The second end side wall of the shank of bolt is provided with external screw thread.
2. bolt according to claim 1, which is characterized in that
The step includes the first sub- step and the second sub- step, and the first sub- step and the second sub- step are successively along the spiral shell
Tightening latch first end is arranged to the shank of bolt second end；
The first sub- step profile section is circle, and the section of the second sub- step is round or rectangular.
3. bolt according to claim 2, which is characterized in that
The diameter 1-5mm big compared with the nominal diameter of shank of bolt of the first sub- step.
4. bolt according to claim 2, which is characterized in that
The length of the first sub- step is 3-15mm.
5. bolt according to claim 1, which is characterized in that
The both sides up and down of second end section of the shank of bolt are parallel straight line, and the left and right sides is symmetrical circular arc, described outer
Screw thread is arranged in the arc position.
6. bolt according to claim 1, which is characterized in that
The second end setting of the bolt head is fluted.
7. bolt according to claim 6, which is characterized in that
The groove is one kind in hexagonal indentations, triangular groove or rectangular recess.
8. bolt according to claim 1, which is characterized in that
The outer contour shape of the bolt head is one kind in hexagon, circle or square.
9. bolt according to claim 1, which is characterized in that further include：
Ring flange, the ring flange are arranged between the first end and the first end of the shank of bolt of the bolt head.
10. bolt according to claim 9, which is characterized in that
The surface that the ring flange is located at the shank of bolt side is provided with spiral anti-skid chequer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721757750.9U CN207762098U (en) | 2017-12-15 | 2017-12-15 | Bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721757750.9U CN207762098U (en) | 2017-12-15 | 2017-12-15 | Bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207762098U true CN207762098U (en) | 2018-08-24 |
Family
ID=63187171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721757750.9U Active CN207762098U (en) | 2017-12-15 | 2017-12-15 | Bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207762098U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623021A (en) * | 2019-02-28 | 2020-09-04 | 长城汽车股份有限公司 | Adjusting bolt and vehicle |
| CN114367618A (en) * | 2022-01-12 | 2022-04-19 | 宾科汽车紧固件（昆山）有限公司 | Step hexagonal flange screw forming process and device and step hexagonal flange screw |
-
2017
- 2017-12-15 CN CN201721757750.9U patent/CN207762098U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111623021A (en) * | 2019-02-28 | 2020-09-04 | 长城汽车股份有限公司 | Adjusting bolt and vehicle |
| CN114367618A (en) * | 2022-01-12 | 2022-04-19 | 宾科汽车紧固件（昆山）有限公司 | Step hexagonal flange screw forming process and device and step hexagonal flange screw |
| CN114367618B (en) * | 2022-01-12 | 2024-01-30 | 宾科汽车紧固件（昆山）有限公司 | Step hexagonal flange screw forming process, device and step hexagonal flange screw |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190103 Address after: 215011 No. 78 Keling Road, Suzhou High-tech Zone, Jiangsu Province Patentee after: Future automotive (Suzhou) Limited Address before: 101300 the 4 Building (1) of Beijing science and Technology Innovation Zone, Renjun North Street, Renhe Town, Shunyi District. Patentee before: BEIJING CHANGCHENG HUAGUAN AUTOMOBILE TECHNOLOGY CO., LTD. |