CN205977959U

CN205977959U - Novel hollow rivet

Info

Publication number: CN205977959U
Application number: CN201620759071.4U
Authority: CN
Inventors: 闫宝祥; 吕占军; 赵月起; 李树干; 徐秀腾
Original assignee: TIANJIN TIANLONG DELENG FORMING PARTS Co Ltd
Current assignee: TIANJIN TIANLONG DELENG FORMING PARTS Co Ltd
Priority date: 2016-07-18
Filing date: 2016-07-18
Publication date: 2017-02-22
Anticipated expiration: 2026-07-18

Abstract

The utility model relates to a novel hollow rivet, hollow rivet includes rivet cap and rivet rod, the coaxial an organic whole of rivet cap sets up on rivet rod's top end, and the one section rivet rod who is close to rivet cap is solid section, and the rivet rod of solid section to rivet rod's the bottom other end is hollow section, should establish for the inside of hollow section is coaxial to the cavity form. This hollow rivet suppresses can be the at first outside fracture everywhere in logical groove and forms a plurality of sizes riveting branch the same basically when receiving pressure, also can make the riveting branch behind the tip fracture of the hollow section after suppressing to disperse uniformly, can play the connection effect well, has improved wireless connection, has prolonged its life, has reduced use cost, simultaneously, has also avoided user or the too big strength of corresponding disposition of equipment to suppress, has reduced intensity of labour, has practiced thrift the cost.

Description

A kind of novel hollow rivet

Technical field

This utility model belongs to technical field of fastening, especially a kind of novel hollow rivet.

Background technology

Rivet is the rod-like piece that there is cap a kind of metal one end, after penetrating connected component, beats, presses in the outer end of bar Go out other end, component is compressed, fixes, the rivet core of normal rivet is solid, after penetrating connected component, easily makes Obtain the deformation of member or cracking, or even be not easy to extrude other end.Although there is also some hollow or semi-hollow rivets at present, But, the rivet of this kind of structure, when suppressing out other end, needs larger pressure, cannot guarantee that after suppressing simultaneously Riveting branch after the cracking of other end can be uniformly dispersed, if dispersedly more uneven, such as one riveting branch is relatively Slightly, another one is thinner, then cannot function well as interconnection function, and service life is shorter, improves use cost.

Through retrieval, find as related to present patent application patent publication us in next chapter：

A kind of semitubular rivet (CN202926801U), including rivet cap and rivet core it is characterised in that：Described rivet core Start to medium position to be hollow-core construction from head.Described rivet core head is to turn over riveting knot structure.The hollow axial direction of described rivet core Length is more than the thickness of riveted plating.After the technical solution of the utility model：Because rivet core hollow and its head are to turn over riveting Structure, then can reduce cracking or the deformation of connected copper piece and plastics.

By contrast, there are the different of essence from above-mentioned patent publication us in present patent application.

Utility model content

In place of the purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of novel hollow rivet, this sky Riveting branch after ftractureing after suppressing in the other end of heart rivet is uniformly dispersed, and riveting effect is good, extends service life.

To achieve these goals, the technical scheme that this utility model is adopted is as follows：

A kind of novel hollow rivet, described tubular rivet includes rivet cap and rivet bar, and described rivet cap coaxially integrally sets It is placed on the top end face of rivet bar, is solid-section near one section of rivet bar of rivet cap, the bottom of solid-section to rivet bar is another The rivet bar of one end is hollow section, should coaxially be set to hollow form for the inside of hollow section；

In described hollow section, along the circumferential direction uniform interval is formed with multiple axially disposed suppressing groove and suppress blind slot, The end of described hollow section is made to rivet cap depression and is suppressed groove, and this is suppressed groove and sets with being connected inside the hollow of hollow section Put, one end of close rivet cap that each suppresses groove is connected with the one end suppressing blind slot together with system, and this suppresses blind slot The other end extends close to the other end of the hollow section of solid-section, described suppress blind slot system on the outer surface of hollow section and in Empty position depression, is suppressed blind slot and is separately arranged with hollow part.

And, the ratio of the length of described solid-section and hollow section is 1：1～4.

And, the umbrella-shaped structure that described rivet cap raises up in top, edge is down-set.

And, the end of the close hollow section of described solid-section is set to and rivet cap shaped identical umbrella.

And, the outer surface of described rivet cap and rivet bar and inner surface all closely arrange electrophoretic coating layer.

The advantage that this utility model obtains and good effect are：

1st, this tubular rivet is provided with rivet cap and rivet bar, and in hollow section, along the circumferential direction uniform interval is formed with multiple edges Axially arranged suppress groove and suppress blind slot, when using, user when suppressing to the end of this hollow section, to hollow When the end of section applies pressure, made to rivet cap depression due to the end of hollow section and suppress groove, therefore when being under pressure, Suppress groove and can form the essentially identical riveting branch of multiple sizes by outside at first cracking everywhere, hollow after also making to suppress Riveting branch after the cracking ends of section can be uniformly dispersed, and can function well as interconnection function, improve connection effect, Extend its service life, reduce use cost, meanwhile, it also avoid user or relevant device uses excessive strength Suppressed, reduced labor intensity, saved cost；

Together with the system in addition, one end of close rivet cap that each suppresses groove is connected with the one end suppressing blind slot, should Suppress blind slot the other end extend close to solid-section hollow section the other end, blind slot system of suppressing is on the outer surface of hollow section And to hollow part depression, this structure is further such that if the length of hollow section to be suppressed is longer, rivet branch Also can continue to ftractureing everywhere along suppressing blind slot, and then ensure that the riveting branch after the cracking ends of the hollow section after suppressing Can be uniformly dispersed, also can meet the use demand of different size of part to be connected.

2nd, the umbrella-shaped structure that the rivet cap of this tubular rivet raises up in top, edge is down-set, is being carried out During riveting, because the pressure that the rivet cap below rivet bar is subject to is larger, because rivet cap raises up in top, therefore permissible Improve the anti-pressure ability of this rivet cap so as to be not susceptible to deformation it is ensured that using effect.

3rd, the end of the close hollow section of the solid-section of this tubular rivet is set to and rivet cap shaped identical umbrella, this kind The setting of structure so that the edge of the end of solid-section is thicker compared with its center, due to the end of the solid-section below rivet bar The pressure that edge is subject to is bigger, and therefore this kind structure can improve the anti-pressure ability of the end of solid-section so as to be not susceptible to become Shape is it is ensured that using effect.

4th, the rivet cap of this tubular rivet and the outer surface of rivet bar and inner surface all closely arrange electrophoretic coating layer, this electricity The setting of swimming dope layer, can protect rivet cap and rivet bar, improve anticorrosive property, resistance to water and the chemically-resistant of this rivet Property so that its under the big environment in the more area of rainwater or air humidity also can life-time service, saved use cost, section About resource.

Brief description

Fig. 1 is that structure of the present utility model connects front view；

Fig. 2 is the upward view of Fig. 1.

Specific embodiment

With reference to embodiment, this utility model is further illustrated；Following embodiments are illustrative, are not limited It is impossible to limit protection domain of the present utility model with following embodiments.

Structure, annexation and the method not described in detail in this utility model, all can be understood as public affairs in the art Know general knowledge.

A kind of novel hollow rivet, as depicted in figs. 1 and 2, described tubular rivet includes rivet cap 1 and rivet bar 2, described Rivet cap is coaxially integrally formed on the top end face of rivet bar, is solid-section 3 near one section of rivet bar of rivet cap, solid-section Rivet bar to the bottom other end of rivet bar is hollow section 5, should coaxially be set to hollow form 7 for the inside of hollow section；In this reality Apply in example, the ratio of the length of described solid-section and hollow section is 1：1～4；

In described hollow section, along the circumferential direction uniform interval is formed with multiple axially disposed suppressing groove 8 and suppress blind slot 6, the end of described hollow section is made to rivet cap depression and is suppressed groove, and this is suppressed groove and is connected with inside the hollow of hollow section Setting, one end of close rivet cap that each suppresses groove is connected with the one end suppressing blind slot together with system, and this suppresses blind slot The other end extend close to solid-section hollow section the other end, described suppress blind slot system on the outer surface of hollow section and to Hollow part is recessed, and suppresses blind slot and separately arranges with hollow part.

This tubular rivet is provided with rivet cap and rivet bar, in hollow section along the circumferential direction uniform interval be formed with multiple along axle Suppressing groove and suppress blind slot to setting, when using, user when suppressing to the end of this hollow section, to hollow section End when applying pressure, the end due to hollow section is made and is suppressed groove to rivet cap depression, therefore when being under pressure, beats Pressure groove outwards can ftracture everywhere at first and form the essentially identical riveting branch of multiple sizes, also can make the hollow section after suppressing Cracking ends after riveting branch can be uniformly dispersed, interconnection function can be functioned well as, improve connection effect, prolong Grow its service life, reduced use cost, meanwhile, it also avoid user or relevant device and entered using excessive strength Row is suppressed, and reduces labor intensity, has saved cost；

In the present embodiment, the umbrella-shaped structure that described rivet cap raises up in top, edge is down-set, is entering During row riveting, because the pressure that the rivet cap below rivet bar is subject to is larger, because rivet cap raises up in top, therefore may be used To improve the anti-pressure ability of this rivet cap so as to be not susceptible to deformation it is ensured that using effect.

In the present embodiment, the end of the close hollow section of described solid-section is set to and rivet cap shaped identical umbrella 4, The setting of this kind of structure so that the edge of the end of solid-section is thicker compared with its center, due to the end of the solid-section below rivet bar The pressure that the edge in portion is subject to is bigger, and therefore this kind structure can improve the anti-pressure ability of the end of solid-section so as to be difficult to send out The shape that changes is it is ensured that using effect.

In the present embodiment, the outer surface of described rivet cap and rivet bar and inner surface all closely arrange electrophoretic coating layer (not shown), the setting of this electrophoretic coating layer, rivet cap and rivet bar can be protected, improve the anticorrosion of this rivet Property, resistance to water and chemical resistance so that its under the big environment in the more area of rainwater or air humidity also can life-time service, Save use cost, save resource.

Claims

1. a kind of novel hollow rivet it is characterised in that：Described tubular rivet includes rivet cap and rivet bar, and described rivet cap is same Axle is integrally formed on the top end face of rivet bar, and one section of rivet bar near rivet cap is solid-section, and solid-section is to rivet bar The rivet bar of the bottom other end be hollow section, should coaxially be set to hollow form for the inside of hollow section；

In described hollow section, along the circumferential direction uniform interval is formed with multiple axially disposed suppressing groove and suppress blind slot, described The end of hollow section is made to rivet cap depression and is suppressed groove, and this suppresses groove and the setting that is connected inside the hollow of hollow section, One end of close rivet cap that each suppresses groove is connected with the one end suppressing blind slot together with system, and this suppresses the another of blind slot End extends close to the other end of the hollow section of solid-section, and described blind slot system of suppressing is on the outer surface of hollow section and to hollow bulb Position depression, is suppressed blind slot and is separately arranged with hollow part.

2. novel hollow rivet according to claim 1 it is characterised in that：The ratio of described solid-section and the length of hollow section Example is 1：1～4.

3. novel hollow rivet according to claim 1 it is characterised in that：Described rivet cap raises up in top, four The down-set umbrella-shaped structure of circumferential edges.

4. novel hollow rivet according to claim 1 it is characterised in that：The end of the close hollow section of described solid-section It is set to and rivet cap shaped identical umbrella.

5. the novel hollow rivet according to any one of Claims 1-4 it is characterised in that：Described rivet cap and rivet bar Outer surface and inner surface all closely arrange electrophoretic coating layer.