CN204061469U - Two tack Fast Blind blind rivet - Google Patents
Two tack Fast Blind blind rivet Download PDFInfo
- Publication number
- CN204061469U CN204061469U CN201420384755.1U CN201420384755U CN204061469U CN 204061469 U CN204061469 U CN 204061469U CN 201420384755 U CN201420384755 U CN 201420384755U CN 204061469 U CN204061469 U CN 204061469U
- Authority
- CN
- China
- Prior art keywords
- face
- cecum
- head
- cone shape
- hole
- 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 - Lifetime
Links
- 210000004534 cecum Anatomy 0.000 claims abstract description 56
- 230000008602 contraction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Insertion Pins And Rivets (AREA)
Abstract
The utility model provides a kind of two tack Fast Blind blind rivet, comprise the head of a nail and axle, wherein, the head of a nail has cecum face and instrument end face, the head of a nail offers via hole, via hole at least comprises the cecum cone shape hole near cecum face and is positioned at the cylindrical hole of close instrument end face of cecum cone shape hole one end, and the cross diameter of cecum cone shape hole increases from cecum towards instrument end face, and the cross diameter of cylindrical hole equals the maximum cross diameter of cone shape hole; Axle comprises mobile jib and head, mobile jib passes the head of a nail from cecum face, head is positioned at side, cecum face and comprises press section and guide portion, the cross diameter of press section is greater than cecum cone shape hole and cylindrical hole cross diameter, guide portion connects press section and mobile jib, and the cross diameter of guide portion reduces from press section to mobile jib.By setting cylindrical press portion and cone shaped pilot.After having assembled a head of a nail, the head of axle can not produce distortion or fracture, and axle can continue on for assembling other heads of a nail, greatly reduces costs.
Description
Technical field
The utility model relates to a kind of fastening piece, concrete, relates to a kind of two tack Fast Blind blind rivet.
Background technique
Blind blind rivet is a kind of permanent installation fastening piece within the workpiece, and blind blind rivet generally comprises one end to be had the head of a nail of the hollow of horn-like flange portion and forms through the axle of the head of a nail.Usually, workpiece is made up of two parts or layer, also can be the forms of parts to multiple parts, when group connects these parts, to install from the side of workpiece through the axle of the head of a nail and pass the relative side of workpiece, because the head of a nail be can't see in relative side, be commonly referred to blind side, then pull axle, make it be squeezed by the small lugs extruding head of a nail of mandrel head in the part of blind side and expand, forming heading.
The maximum feature of the blind blind rivet of existing one is that mandrel head is solid body and is provided with breakaway neck near head place, is mainly convenient to, when blind blind rivet is installed, pull axle to make head more easy-rupturing.The head of fracture generally stays in the head of a nail after deformation, also may drop in the product installed, there is the potential safety hazard causing the short circuit of circuit circuit for generating.Another existing blind blind rivet, its head does not arrange neck, but is arranged to the structure that can extrude contraction, and namely by the interaction of power, head is extruded contraction thus by the head of a nail, head can not drop and produce above-mentioned hidden danger.But the common feature of above-mentioned two kinds of blind blind rivets is: during installation, and axle all can be damaged, namely a necessary corresponding axle of the head of a nail, so, causes waste of material, cost up.
Sign in above defect, be necessary to provide a kind of two tack Fast Blind blind rivets that can overcome above-mentioned technical problem of the prior art in fact.
Model utility content
The technical problem that the utility model mainly solves is to provide not impaired axle after a kind of assembling head of a nail, thus can be assembled two tack Fast Blind blind rivets of multiple head of a nail by an axle.
The utility model provides a kind of two tack Fast Blind blind rivet, comprise the head of a nail and axle, wherein, the described head of a nail has cecum face and instrument end face, the described head of a nail offers via hole, described via hole at least comprises the cecum cone shape hole near cecum face and is positioned at the cylindrical hole of close instrument end face of cecum cone shape hole one end, and the cross diameter of cecum cone shape hole increases from cecum towards instrument end face, and the cross diameter of described cylindrical hole equals the maximum cross diameter of described cone shape hole; Described axle comprises mobile jib and head, described mobile jib passes the described head of a nail from described cecum face, described head is positioned at described side, cecum face and comprises press section and guide portion, the cross diameter of described press section is greater than described cecum cone shape hole and cylindrical hole cross diameter, described guide portion connects described press section and described mobile jib, and the cross diameter of described guide portion reduces from described press section to described mobile jib.
Improve as one of the present utility model, described via hole comprises three sections, i.e. described cecum cone shape hole, described cylindrical hole and be positioned at the tool ends end cone shape hole of cylindrical hole side; The cross diameter of described tool ends end cone shape hole increases from described cecum towards instrument end face, and the minimum cross diameter of described tool ends end cone shape hole equals the cross diameter of described cylindrical hole, and described tool ends end cone shape hole extends to described instrument end face by one end of cylindrical hole.
Improve as one of the present utility model, described mobile jib cylindrical, described press section is cylindrical and coaxially arranges with described mobile jib, and described guide portion is cone-shaped, the diameter of described guide portion one end equals the diameter of press section, and the diameter of the other end equals the diameter of mobile jib.
Improve as one of the present utility model, the described head of a nail comprises main part and flange, and described main part is cylindrical and comprise described cecum face and vertical cylindrical lateral surface, and described cecum face be circle.
Improve as one of the present utility model, that described flange has a circle and opposing described instrument end face parallel with described cecum face and connect the tapered side of cylindrical lateral surface and instrument end face.
Improve as one of the present utility model, the cross diameter of described tapered side increases from cylindrical lateral surface to instrument end face, and described instrument end face is coaxial with cecum face.
The beneficial effects of the utility model are: the two tack Fast Blind blind rivet of the utility model, by setting cylindrical press portion, cone shaped pilot and corresponding cecum cone shape hole and cylindrical hole.After having assembled a head of a nail, the head of axle can not produce distortion or fracture, and axle can continue on for assembling other heads of a nail, greatly reduces costs.
Accompanying drawing explanation
Fig. 1 is the cross-sectional schematic of a kind of pair of tack Fast Blind blind rivet that the utility model preferred embodiments provides;
It is the stereogram of the head of a nail of two tack Fast Blind blind rivet shown in Fig. 2;
It is the right elevation of the head of a nail shown in Fig. 3;
It is the sectional view of the head of a nail shown in Fig. 4.
Embodiment
Refer to Fig. 1 to Fig. 4, the two tack Fast Blind blind rivet 100 of the one that the utility model preferred implementation provides, for being fastened together at least two workpiece (not shown).Described workpiece can be the housing of component panels, case, cabinet, computer, mobile phone or other products.
Described pair of tack Fast Blind blind rivet 100 comprises the head of a nail 10 and axle 20.The described head of a nail 10 comprises main part 11 and flange 12.Described main part is cylindrical and comprise the cecum face 111 of a circle and the cylindrical lateral surface 112 vertical with cecum face 111.That described flange 12 has a circle and opposing instrument end face 121 parallel with cecum face 111 and connect the tapered side 122 of cylindrical lateral surface 112 and instrument end face 121.The cross diameter of described tapered side 122 increases from cylindrical lateral surface 112 to instrument end face 121.Described instrument end face 121 is coaxial with cecum face 111.
The described head of a nail 10 offers the via hole 13 running through described instrument end face 121 and cecum face 111.Described via hole 13 comprises and at least comprises two sections, the cylindrical hole 132 of the cone shape hole 131 namely at least comprising close cecum face 111 and the close instrument end face being positioned at cone shape hole 131 side.The cross diameter of described cone shape hole 111 increases from described cecum face 111 to described instrument end face 121.The cross diameter of described cylindrical hole 132 equals the maximum cross diameter of described cone shape hole 131, and described cylindrical hole extends to described instrument end face 121 by one end of cecum cone shape hole 131.
In the present embodiment, described via hole 13 comprises three sections, i.e. described cecum cone shape hole 131, described cylindrical hole 132 and be positioned at the tool ends end cone shape hole 133 of cylindrical hole 132 side.The cross diameter of described tool ends end cone shape hole 133 increases from described cecum face 111 to instrument end face 121.The minimum cross diameter of described tool ends end cone shape hole 133 equals the cross diameter of described cylindrical hole, and described tool ends end cone shape hole 133 extends to described instrument end face 121 by one end of cylindrical hole 132.
Described axle 20 is solid construction and comprises mobile jib 21 and head 22.Described mobile jib 21 is elongated cylindrical.Described head 22 comprises the guide portion 222 of columniform press section 221 and cone-shaped.Described press section 221 and described mobile jib 21 be coaxial to be arranged and diameter is greater than the diameter of described mobile jib 21.Described guide portion 222 is connected between described press section 221 and mobile jib portion and the cross diameter of described guide portion 222 is taken portion 221 by force reduce to described mobile jib 21 with from described being squeezed, namely the diameter of described guide portion 222 one end equals the diameter of press section 221, and the diameter of the other end equals the diameter of mobile jib 21.
After assembling, described mobile jib 21 is from described cecum face 111 through the described head of a nail 10, and described head 22 is positioned at the side in described cecum face 111.Wherein, the diameter of described press section 221 is greater than the cross diameter of described cylindrical hole 132 and described tool ends end cone shape hole 133.
When using described pair of tack Fast Blind blind rivet 100, first two for paper row tack Fast Blind blind rivet 100 is arranged on Rivet gun, again by the attachment hole of its alignment pieces, finally, when the mobile jib 21 of Rivet gun stretching axle 20, first described guide portion 222 enters in the cecum cone shape hole 131 of via hole 13, described cecum face 111 first produces lateral expansion distortion, subsequently, press section 221 is successively by the cecum cone shape hole 131 of described via hole 13, cylindrical hole 132 and tool ends end cone shape hole 133, so, head 22 passes from instrument end face 121, the described head of a nail 10 produces lateral deformation by described press section 221 extrusion expansion, thus workpiece is fitted together, counterbore is provided with due to corresponding on trade union college face, therefore, the described head of a nail 10 is after staking, the head of a nail 10 is dissolved in counterbore, the mounting surface of not outstanding workpiece.The two tack Fast Blind blind rivet of aforesaid paper row is a kind of spread pattern of blind blind rivet, is exactly specifically to pack blind blind rivet to fix a kind of mode in a row with the model that paper does.
The two tack Fast Blind blind rivet 100 of the utility model, by setting cylindrical press portion 221, cone shaped pilot 222 and corresponding cecum cone shape hole 131 and cylindrical hole 132.After having assembled a head of a nail, the head of axle 20 can not produce distortion or fracture, and axle can continue on for assembling other heads of a nail, greatly reduces costs.In present embodiment, described axle 20 is entity structure, can strengthen the intensity of axle 20 further.
In other embodiments, described press section 221 also can be arranged to other shapes, such as, have the shape of one or more circular teeth, but the cross diameter of at least one teeth is greater than the cross diameter of cylindrical hole 132 and described tool ends end cone shape hole 133.
In present embodiment, the head 22 of can being more convenient for that arranges of described tool ends end cone shape hole 133 pulls out the head of a nail, and at other mode of executions, also can not arrange tool ends end cone shape hole 133, namely described cylindrical hole 132 directly extends to instrument end face.
The foregoing is only mode of execution of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a two tack Fast Blind blind rivet, comprise the head of a nail and axle, it is characterized in that: the described head of a nail has cecum face and instrument end face, the described head of a nail offers via hole, described via hole at least comprises the cecum cone shape hole near cecum face and is positioned at the cylindrical hole of close instrument end face of cecum cone shape hole one end, the cross diameter of cecum cone shape hole increases from cecum towards instrument end face, and the cross diameter of described cylindrical hole equals the maximum cross diameter of described cone shape hole; Described axle comprises mobile jib and head, described mobile jib passes the described head of a nail from described cecum face, described head is positioned at described side, cecum face and comprises press section and guide portion, the cross diameter of described press section is greater than described cecum cone shape hole and cylindrical hole cross diameter, described guide portion connects described press section and described mobile jib, and the cross diameter of described guide portion reduces from described press section to described mobile jib.
2. tack Fast Blind blind rivet as claimed in claim 1 two, is characterized in that: described via hole comprises three sections, i.e. described cecum cone shape hole, described cylindrical hole and be positioned at the tool ends end cone shape hole of cylindrical hole side; The cross diameter of described tool ends end cone shape hole increases from described cecum towards instrument end face, and the minimum cross diameter of described tool ends end cone shape hole equals the cross diameter of described cylindrical hole, and described tool ends end cone shape hole extends to described instrument end face by one end of cylindrical hole.
3. two tack Fast Blind blind rivet as claimed in claim 2, it is characterized in that: described mobile jib cylindrical, described press section is cylindrical and coaxially arranges with described mobile jib, described guide portion is cone-shaped, the diameter of described guide portion one end equals the diameter of press section, and the diameter of the other end equals the diameter of mobile jib.
4. tack Fast Blind blind rivet as claimed in claim 1 two, is characterized in that: the described head of a nail comprises main part and flange, and described main part is cylindrical and comprise described cecum face and vertical cylindrical lateral surface, and described cecum face be circle.
5. tack Fast Blind blind rivet as claimed in claim 4 two, is characterized in that: that described flange has a circle and opposing described instrument end face parallel with described cecum face and connect the tapered side of cylindrical lateral surface and instrument end face.
6. two tack Fast Blind blind rivet as claimed in claim 5, is characterized in that: the cross diameter of described tapered side increases from cylindrical lateral surface to instrument end face, and described instrument end face is coaxial with cecum face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384755.1U CN204061469U (en) | 2014-07-12 | 2014-07-12 | Two tack Fast Blind blind rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384755.1U CN204061469U (en) | 2014-07-12 | 2014-07-12 | Two tack Fast Blind blind rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061469U true CN204061469U (en) | 2014-12-31 |
Family
ID=52202994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420384755.1U Expired - Lifetime CN204061469U (en) | 2014-07-12 | 2014-07-12 | Two tack Fast Blind blind rivet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061469U (en) |
-
2014
- 2014-07-12 CN CN201420384755.1U patent/CN204061469U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201106 Address after: No.5 Gaoke Gongye 4th Road, Sicun, Tangxia Town, Dongguan City, Guangdong Province 523000 Patentee after: DONGGUAN AITAN HARDWARE TECHNOLOGY Co.,Ltd. Address before: 518000, Shenzhen, Guangdong province Baoan District city people street, Longsheng Road, Xu Lian Industrial Zone, Heng Yi Building, 10 floor Patentee before: SHENZHEN DEHONG ELECTROMECHANICAL INDUSTRY Co.,Ltd. |
|
| TR01 | Transfer of patent right |