CN208503229U - A kind of Anti-off bolt sub-assembly - Google Patents
A kind of Anti-off bolt sub-assembly Download PDFInfo
- Publication number
- CN208503229U CN208503229U CN201821080730.7U CN201821080730U CN208503229U CN 208503229 U CN208503229 U CN 208503229U CN 201821080730 U CN201821080730 U CN 201821080730U CN 208503229 U CN208503229 U CN 208503229U
- Authority
- CN
- China
- Prior art keywords
- bolt
- ontology
- tightening latch
- card base
- slip cover
- 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
Landscapes
- Connection Of Plates (AREA)
Abstract
The utility model relates to a kind of Anti-off bolt sub-assemblies, it includes Anti-off bolt and Anti-slip cover, Anti-off bolt includes bolt head and tightening latch, tightening latch circumferential surface is provided with a circle anticreep protrusion, anticreep protrusion is provided with screw thread far from the tightening latch circumferential surface of the bolt head side, Anti-slip cover, which has, covers the circular ontology on tightening latch, the gap at ontology both ends is formed through on ontology, ontology is provided with multiple card bases close to one end periphery of bolt head, and card base is protruded and is limited between bolt head and anticreep protrusion to the axial line of Anti-off bolt.Due to being formed through the gap at the ontology both ends on ontology, so that the change that the outer diameter of Anti-slip cover allows to have small, in this way when installing anti-drop bolt sub-assembly, even if bore size has small deviation in object, the installation of anti-drop bolt sub-assembly will not be influenced.
Description
Technical field
The utility model relates to a kind of fasteners, more particularly to a kind of anti-drop bolt sub-assembly.
Background technique
After bolt fastens two objects, bolt bears certain power, therefore bolt has the possibility loosened.If
The distal threads of bolt are screwed out from object, then bolt is easy to happen and falls off under object vibration or traffic condition, anticreep spiral shell
The application of bolt is just come into being.In general, Anti-off bolt has bolt head and tightening latch, the circumferential surface of tightening latch is provided with circle protrusion,
The protrusion can prevent bolt falling in object by stopper.A kind of anti-drop bolt combination is also used in the prior art
Part, the sub-assembly include Anti-off bolt and cover the Anti-slip cover on tightening latch, since the protrusion on the tightening latch of Anti-off bolt is by anticreep
Stopper is covered, Anti-off bolt is made not fall off from Anti-slip cover, as long as Anti-slip cover is fixed on object, Anti-off bolt just will not be from
It falls off in object.
Authorization Notice No. is that the Chinese patent document of CN204312514U just discloses " a kind of anti-drop bolt group " in this way,
Including a sleeve and an Anti-off bolt, the end of sleeve has a circle anticreep protuberance, has card division in Anti-off bolt, due to card division
It is limited in Anti-off bolt in sleeve with the collective effect of anti-portion protrusion.Due to the outer diameter of the sleeve in the anti-drop bolt group
Fixed, so if need bore size a little deviation in the object that fastens, will result in anti-drop bolt group without
Method installation, so if can solve this problem, will certainly be such that anti-drop bolt group installs more conveniently.
Utility model content
The utility model aim is to provide for a kind of anti-drop bolt sub-assembly, and how solve makes anti-drop bolt group more
The problem of easily to install.
In order to achieve the above objectives, the technical solution adopted in the utility model is:
The utility model provides a kind of anti-drop bolt sub-assembly, it includes Anti-off bolt and Anti-slip cover, the anticreep
Bolt includes bolt head and tightening latch, and the tightening latch circumferential surface is provided with a circle anticreep protrusion, and the anticreep protrusion is far from the spiral shell
The tightening latch circumferential surface of bolt head side is provided with screw thread, and the Anti-slip cover, which has, covers the circular ontology on the tightening latch,
The gap at the ontology both ends is formed through on the ontology, the ontology is arranged close to one end periphery of the bolt head
There are multiple card bases, the card base protrudes to the axial line of the Anti-off bolt and is limited in the bolt head and the anticreep
Between protrusion.
Further, the gap opening size about 1mm.
Further, recess is provided on the ontology of the card base two sides.
Further, the quantity of the card base is 4 and the card base is evenly distributed on the body end periphery.
Since above-mentioned technical proposal is used, the utility model has the advantage that compared with prior art
A kind of anti-drop bolt sub-assembly of the utility model, due to being formed through the seam at the ontology both ends on ontology
Gap, so that the change that the outer diameter of Anti-slip cover allows to have small, in this way when installing anti-drop bolt sub-assembly, even if being opened in object
Pore size has small deviation, will not influence the installation of anti-drop bolt sub-assembly.
Detailed description of the invention
Some specific realities of the utility model are described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter
Apply example.Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that
The drawings are not necessarily drawn to scale.In attached drawing:
Fig. 1 is the stereoscopic schematic diagram according to a kind of anti-drop bolt sub-assembly of the utility model one embodiment；
Fig. 2 is the structural schematic diagram of Anti-off bolt in embodiment illustrated in fig. 1；
Fig. 3 is the structural schematic diagram of Anti-slip cover in embodiment illustrated in fig. 1；
Fig. 4 is the internal perspective view of embodiment illustrated in fig. 1；
Fig. 5 is a cross-sectional view of the embodiment illustrated in fig. 1 close to anticreep protrusion；
Wherein, the reference numerals are as follows:
1, Anti-off bolt；11, bolt head；12, tightening latch；121, anticreep protrusion；122, screw thread；123, narrow portion；
2, Anti-slip cover；21, ontology；211, gap；212, it is recessed；22, card base.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Here a kind of anti-drop bolt sub-assembly production method is first introduced.
A kind of anti-drop bolt sub-assembly production method, it includes:
Step 1: prefabricated Anti-off bolt, the Anti-off bolt include bolt head and tightening latch, the tightening latch circumferential surface setting
There is a circle anticreep protrusion；
Step 2: prefabricated square piece shape covers base；
Step 3: the set base is placed in stamping die, along perpendicular to the set on a side of the set base
Base in-plane stamps out multiple card bases to the same side protrusion；
Step 4: the Anti-off bolt is placed on the set base, and the protrusion direction of the card base is towards the anticreep
Bolt, the side where adjusting the card base are located between the bolt head of the Anti-off bolt and anticreep protrusion；
Step 5: the set base is rolled the Anti-slip cover to form circle shape, the circle while Anti-slip cover is rolled by machine punching press
State the tightening latch of Anti-off bolt in residence.
Wherein, the sequence of step 1 and step 2 is not particularly limited, and can first be made set base and be made Anti-off bolt again,
Or the two is prepared simultaneously.Wherein, Anti-off bolt and set base can be made of cold pier technique, and such producing efficiency is high；It is anti-
De- bolt and set base can also be made of Vehicle Processing technique, and Anti-off bolt and set base size obtained in this way are more accurate.
After step 3, position two sides can also be rushed in advance in the set each card base of base and be punched into notch, when in step 5
When flex housing base, indentation, there forms the weaker position of load ability to being easily bent at this, at this moment, the bending journey of card base
It spends smaller, it may be said that card base will not be bent substantially, it ensure that the intensity of card base, to make anti-drop bolt sub-assembly obtained
Structure it is more firm.The process for being punched into notch is a kind of preferred scheme, in other technical solutions, can not also be rushed
Cut out notch.
Preferably, stamping die is the progressive die, that is, makes to cover base and connects to be stamped in the progressive die and gradually form,
Save the working hour of conversion mold in this way to improve processing efficiency.Above-mentioned steps three are to step 5 in the same progressive die
Middle completion.Also, above-mentioned in the set each card base of base, to rush position two sides in advance to be punched into notch be also to complete in this progressive die.
The quantity for the card base that step 3 stamps out is 4, and the distance between two neighboring described card base is about the card
The 1/4 of side side length where foot." 4 " this quantity will not dramatically increase the bending difficulty of set base, and make on molding Anti-slip cover
Card base have enough support forces clamping anticreep protuberance.Again due to the distance between two neighboring card base be about card base where while while
Long 1/4, this make the card base of Anti-slip cover end after molding be it is equally distributed, being conducive to card base, preferably to hold anticreep convex
Portion.
Multiple card bases are stamped out in a line of set base, are finally that a clamping circle is enclosed using multiple card bases,
The clamping circle is limited between bolt head and anticreep protrusion, and multiple card bases why are arranged, and is to be conducive to cover base
Bending, the card base of multiple dispersions are small to the bending resistance of set base.Also, due to card base be it is spaced, between card base
Set base ontology it is relatively weak, be easily bent, that is, card base itself be do not allow it is flexible, it ensure that card base is strong
Degree, to ensure that card base to the antagonism of anticreep protrusion.
A kind of anti-drop bolt sub-assembly of the utility model is described below, can be made by the above method.
Preferred embodiment,
As shown in Figure 1, anti-drop bolt sub-assembly includes Anti-off bolt 1 and Anti-slip cover 2,2 phase of Anti-off bolt 1 and Anti-slip cover
Cooperation fits together, as described below.
Anti-off bolt 1 includes bolt head 11 and tightening latch 12, and bolt head 11 has ring flange and spanner wedging position, this
Bolt head 11 is in embodiment for the holding of hexagonal double offset ring spanner, but the concrete shape of wedging position is not restricted by, also
It can be the shapes such as interior four directions, interior hexagonal, outer four directions, outer-hexagonal.Tightening latch 12 and bolt head 11 are integrally formed, and tightening latch 12 is from spiral shell
The one side surface center of ring flange of bolt head 11 extends to remote.
As shown in Fig. 2, the circumferential surface of the medium position of the about length direction of tightening latch 12 is provided with a circle anticreep protrusion 121, anticreep
Protrusion 121 is provided with screw thread 122 to 12 circumferential surface of tightening latch of distal end (" remote " refers to the distance with a distance from bolt head 11 herein) side,
Screw thread 122 is made fastening and is used.It is polished rod in tightening latch 12 of the anticreep protrusion 121 close to 11 side of bolt head, wherein close to anticreep
The a bit of tightening latch 12 of protrusion 121 is that diameter reduces, and as narrow portion 123, narrow portion 123 are seen below to card base 22() vacate one
Space is determined, in order to the activity of card base 22.
As shown in Fig. 1, Fig. 3 and Fig. 5, Anti-slip cover 2 includes annulus cylindrical body 21, and ontology 21 is to cover base by a square piece shape
(square or rectangular, depending on the specific size of Anti-off bolt sub-assembly) is rolled to be formed as round, therefore,
The circumferential surface of ontology 21 has gap 211, and the both ends of ontology 21 are run through in gap 211, and the opening size in gap 211 is about 1mm.This
One end of body 21, the specifically end close to bolt head 11, the end portions are provided with 4 card bases 22, and card base 22 is
Preparatory punching press is on a side of square piece shape set base, and then card base 22 is enclosed in around tightening latch 12 with rolling for base of set.
Card base 22 is protruded to the axial line of Anti-off bolt 1, and is limited between bolt head 11 and anticreep protrusion 121.In this way, by
In the collective effect of card base 22 and anticreep protrusion 121, Anti-off bolt 1 is limited in Anti-slip cover 2, only a degree of activity
Spatial dimension (scope of activities of the space length i.e. about between card base 22 and bolt head 11), also, Anti-off bolt 1 will not
It is kept completely separate with Anti-slip cover 2 namely Anti-off bolt 1 will not fall off from Anti-slip cover 2.Fig. 4 shows that Anti-slip cover 2 is movable to the left
Utmostly.As long as Anti-slip cover 2 is fixed on an object in this way, Anti-off bolt 1 would not fall off from the object.Usually
Drilling placement Anti-slip cover 2(has disposed Anti-off bolt 1 simultaneously in an object), and the hole can lead to the screw thread of another object
Kong Zhong, Anti-off bolt 1 can be reached on another object and be screwed in threaded hole, so that two objects be fastened.In an object
When upper drilling installation Anti-slip cover 2, the internal diameter in the hole that may be bored has a deviation more or less, and the seam in the present embodiment
Gap 211 can allow for the outer diameter of Anti-slip cover 2 to have small adjustment, this Anti-slip cover 2 also and can be installed into size to have deviation
Object hole in, be particularly suitable for size on object for the hole of installing Anti-slip cover 2 situation less than normal.In the present embodiment, seam
The opening size of gap 211 about 1mm, the deformation that this allows Anti-slip cover 2 is larger, and does not influence card base 22 to anticreep protrusion 121
Clamping.In the present embodiment, the quantity of card base 22 is 4, and is evenly distributed on 21 end portions of ontology, and at this moment, set base is easy
If it is more to be bent obtained 22 quantity of Anti-slip cover 2(card base, biggish resistance can be formed by bending to set base), and card base 22 is clamped anticreep
Raised 121 effects are preferable.
As shown in Figure 1 and Figure 5, it is provided with recess 212 on the ontology 21 of each 22 two sides of card base, recess 212 is from ontology
21 end faces extend inwards.Its effect is: recess 212 at load ability be it is weak, when by opening and closing gap 211 adjustment prevent
Press-off 2 outer diameter when, ontology 21 has a change of bending degree, and so that bending is occurred mainly in recess 212 attached for 212 presence of being recessed
On close ontology 21, at this moment the bending of card base 22 is very small, it is believed that card base 22 will not bend, it ensure that card base 22
Intensity, advantageously ensure that the quality of Anti-off bolt sub-assembly.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention,
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (4)
1. a kind of Anti-off bolt sub-assembly, it includes Anti-off bolt (1) and Anti-slip cover (2), and the Anti-off bolt (1) includes bolt
Head (11) and tightening latch (12), tightening latch (12) circumferential surface are provided with a circle anticreep protrusion (121), and the anticreep is raised (121)
The tightening latch (12) circumferential surface far from the bolt head (11) side is provided with screw thread (122), it is characterised in that: the anticreep
Set (2), which has, covers the circular ontology (21) on the tightening latch (12), is formed through the ontology on the ontology (21)
(21) gap (211) at both ends, one end periphery of the ontology (21) close to the bolt head (11) are provided with multiple card bases
(22), the card base (22) protrudes to the axial line of the Anti-off bolt (1) and is limited in the bolt head (11) and institute
It states between anticreep raised (121).
2. Anti-off bolt sub-assembly according to claim 1, it is characterised in that: gap (211) opening size is about
1mm。
3. Anti-off bolt sub-assembly according to claim 1, it is characterised in that: the ontology of card base (22) two sides
(21) recess (212) are provided on.
4. Anti-off bolt sub-assembly according to claim 1, it is characterised in that: the quantity of the card base (22) be 4 and
The card base (22) is evenly distributed on the ontology (21) end portions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821080730.7U CN208503229U (en) | 2018-07-09 | 2018-07-09 | A kind of Anti-off bolt sub-assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821080730.7U CN208503229U (en) | 2018-07-09 | 2018-07-09 | A kind of Anti-off bolt sub-assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503229U true CN208503229U (en) | 2019-02-15 |
Family
ID=65283710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821080730.7U Expired - Fee Related CN208503229U (en) | 2018-07-09 | 2018-07-09 | A kind of Anti-off bolt sub-assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644217A (en) * | 2018-07-09 | 2018-10-12 | 苏州永基精密五金制品有限公司 | A kind of Anti-off bolt sub-assembly and preparation method thereof |
-
2018
- 2018-07-09 CN CN201821080730.7U patent/CN208503229U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108644217A (en) * | 2018-07-09 | 2018-10-12 | 苏州永基精密五金制品有限公司 | A kind of Anti-off bolt sub-assembly and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3032119B1 (en) | Anti-loosening bolt assembly | |
| CN103104581B (en) | Screw assembly element | |
| US20090317207A1 (en) | Fastener Assembly Including a Screw and a Captively Arranged Bush | |
| CN208503229U (en) | A kind of Anti-off bolt sub-assembly | |
| US20180266477A1 (en) | Connecting Structural Member | |
| US20050025605A1 (en) | Locator stud and method of assembly | |
| KR101797532B1 (en) | Insert for deckplate | |
| JP2009197966A (en) | Synthetic resin member with metallic internal thread part | |
| CN108644217A (en) | A kind of Anti-off bolt sub-assembly and preparation method thereof | |
| JP5105551B2 (en) | Column rebar assembling jig, column rebar assembling jig set, and method for manufacturing reinforced concrete column | |
| CN202572300U (en) | Installation tool for thread insert with key | |
| CN212509151U (en) | Fastening mechanism | |
| CN202531576U (en) | Internal strong expansion screw | |
| CN211071478U (en) | Clamping structure of lower punch of stamping device | |
| CN109773045B (en) | Die for riveting locknut and production process thereof | |
| CN107503403B (en) | Locking device for faucet installation | |
| CN111503117A (en) | Fastening mechanism and assembling method thereof | |
| CN202564529U (en) | Resonant rod and cavity filter | |
| KR200482379Y1 (en) | Supporting post | |
| JP2010007771A (en) | Insert t-nut | |
| CN219262944U (en) | Buffering type nut column | |
| CN212202791U (en) | Hidden door handle stud adjusting bolt of car | |
| CN211071477U (en) | Clamping structure of punch on stamping device | |
| CN103016495A (en) | Riveting nut suitable for light and heavy loads | |
| CN221401282U (en) | Anti-deformation elastic cylindrical pin |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20200709 |