CN101598163A - Pulling rivet - Google Patents
Pulling rivet Download PDFInfo
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- CN101598163A CN101598163A CNA2009101580018A CN200910158001A CN101598163A CN 101598163 A CN101598163 A CN 101598163A CN A2009101580018 A CNA2009101580018 A CN A2009101580018A CN 200910158001 A CN200910158001 A CN 200910158001A CN 101598163 A CN101598163 A CN 101598163A
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- collar
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- pulling rivet
- nail bar
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Abstract
The present invention discloses a kind of pulling rivet, comprises ailhead, nail bar and the collar, the pull bar section that the nail bar has the groove section that cooperates with the collar and is used for cooperating with riveting equipment; Have axial groove on the outer surface of nail bar groove section, have radially-protruding projection on the inwall of the collar; And the collar is sleeved on the outside of groove section, and this projection places in the axial groove; Protruding axial displacement along with the collar is moved in axial groove, and can enter along with the circumferential displacement of the collar in the groove of nail bar, so that limit the axial position between the collar and the nail bar.Like this, when the operator carries out the extruding and connecting operation at the operation riveting equipment, need not simultaneously the collar to be positioned, can improve the operability and the working efficiency of riveted joint operation.In addition, the affixed rear section collar metal of finishing is full of in the axial groove of following closely on the bar groove section, can effectively avoid the collar to produce circumferential movement, can further improve the anti-loosening property of pulling rivet.
Description
Technical field
The present invention relates to technical field of fastening, be specifically related to a kind of pulling rivet.
Background technique
Rivet connects better with its plasticity and toughness, and power transmission is reliable, and the advantage that quality is easy to check is applicable to the connection of directly bearing the dynamic load structure; Especially, the rivet Placement also has join strength and connects greater than plain bolt, and overall weight is less than the characteristics of bolt, thereby is widely used in the connection of the steel structure of industries such as vehicle, bridge and building.
The pulling rivet connection also has These characteristics, generally needing can be used for the parts of bolt or riveted joint.It is to utilize the Hooke's law principle that pulling rivet connects, after adopting the pulling rivet special device to treat that with two conjunction clamps, the metal of the ring-type collar that is inserted in of extruding also is full of in the pit of many annular ditch grooves of hitching post, makes the tight a kind of fastening means that combines of the collar and hitching post.Therefore, every pulling rivet fastening piece has characteristics such as identical fastening force and never becoming loose after assembling is finished.
Chinese patent literature (publication number: CN 2906172Y) disclose a kind of pulling rivet, compare with traditional pulling rivet and to have following beneficial technical effects: the one, good anti-vibration, because its unique annular groove design, fundamentally solved traditional pulling rivet and under the vibration situation, be prone to loosening problem, realized being solidly connected forever; The 2nd, anti-corrosive properties are strong, the life-span is long, because the major ring groove on the nail bar is to form by the distortion interlock that a circle circle does not connect with fixedlying connected of cover interannular, can thoroughly eliminate the gap, and therefore, atmosphere and liquids can't be invaded, and improve working life greatly.But the disclosed pulling rivet of this scheme needs earlier the collar manually to be located in the riveted joint operation process, and when particularly the collar was below riveting parts, the operator is artificial positioning ring on one side, Yi Bian operate riveting equipment, operability is relatively poor.
Chinese patent literature (publication number: CN 101429960A) disclose a kind of Bobtail tension rivet and clinching method, compare with traditional pulling rivet, improved rivet point bilge construction that riveting equipment matches and the riveting equipment that matches, be easy to rivet operation and can effectively improve operating efficiency.Equally, the disclosed pulling rivet of this scheme also needs the collar is manually located in the riveted joint operation process, has the relatively poor problem of operability.
In view of this, demand developing a kind of pulling rivet of easy operating urgently, the operability with effective raising riveted joint operation reduces operator's working strength.
Summary of the invention
At above-mentioned defective, the technical problem that the present invention solves is, a kind of pulling rivet of optimal design is provided, and need not positioning ring simultaneously when the operator operates riveting equipment, and then reduces operator's working strength, effectively improves the operability of riveted joint operation.
Pulling rivet provided by the invention comprises ailhead, nail bar and the collar, the pull bar section that described nail bar has the groove section that cooperates with the collar and is used for cooperating with riveting equipment; Have axial groove on the outer surface of the groove section of described nail bar, have radially-protruding projection on the inwall of the described collar; And the described collar is sleeved on the outside of described groove section, and this projection places in the axial groove; Described projection is along with the axial displacement of the collar is moved in described axial groove, and can enter along with the circumferential displacement of the collar in the groove of nail bar, so that limit the collar and the axial position of following closely between the bar.
Preferably, axial groove on the described nail bar and the projection on the described collar all are set at least two, and respectively along circumferentially corresponding one by one setting.
Preferably, the sectional shape of described projection is circle, rectangle or ellipse.
Preferably, the groove of described groove section is specially and sets gradually several annular grooves vertically or be specially outside thread.
Preferably, the end that is connected with ailhead of described nail bar is the polished rod section.
Preferably, the external diameter of described pull bar section is less than the external diameter of groove section.
Preferably, the outer surface of described pull bar section has and is used for the afterbody groove that cooperates with riveting equipment.
Preferably, described afterbody groove is specially and sets gradually several annular grooves vertically or be specially outside thread.
Preferably, has separating vessel between the groove section of described nail bar and the pull bar section.
Preferably, described ailhead is specially round end, coiled hair or countersunk head.
On the basis of the nail bar that has pulling rivet now, collar cooperating structure, the present invention has carried out improving design: have axial groove on the outer surface of the groove section of nail bar, have the radially-protruding projection that cooperates with this axial groove on the inwall of the collar.When riveting operation, at first will follow closely in the through hole that bar is installed on parts to be connected; To after the axial groove centering on projection on the collar inwall and the nail bar collar be sleeved on the nail bar then, and during along the axial promotion collar of nail bar to nearly position component to be connected, rotational lantern ring makes the projection on it be positioned at nail bar groove, with the relative axial position between retaining collar and the nail bar; At last, adopt riveting equipment to finish extruding and connecting.
Above-mentioned analysis as can be known, based on projection on the collar and the design of following closely the axial groove on the bar, after nail bar and collar assembling are finished, the collar is determined with respect to the axial position relation of nail bar, like this, when the operator carries out the extruding and connecting operation at the operation riveting equipment, need not simultaneously the collar to be positioned, conveniently carry out execute-in-place; Therefore, operator's working strength be can effectively reduce, and then the operability and the working efficiency of riveted joint operation improved.In addition, in the extruding and connecting process, will there be part collar metal to be full of in the axial groove on the nail bar groove section, after affixed the finishing, can effectively avoid can further improve the anti-loosening property of pulling rivet because of factors such as impact, vibration, varying load and gap increase produce circumferential movement.
In preferred version of the present invention, axial groove on the described nail bar and the projection on the described collar all are set at least two, and respectively along circumferentially corresponding one by one setting.That is to say that after nail bar and collar assembling were finished, axial limiting projection between the two was at least two, with further raising working stability of the present invention.
Pulling rivet provided by the invention is keeping that groove riveted joint mode high strength connects, in the premium properties that antitheft, corrosion preventive and strength, life-span are long, is having more convenient operation, an advantage that anti-loosening property is stronger; Be specially adapted to the annexation that the anti-loosening property requirement is higher, the collar needs stationary positioned.
Description of drawings
Fig. 1 is the overall structure schematic representation of pulling rivet described in first kind of mode of execution;
Fig. 2 is ailhead shown in Fig. 1, follows closely the A of bar to view;
Fig. 3 is the B-B sectional view of the collar shown in Fig. 1;
Fig. 4, Fig. 5 and Fig. 6 show the schematic representation of each component locations relationship change in the operation process of riveted joint described in the mode of execution respectively;
Fig. 7 is the ailhead of second kind of mode of execution, the schematic representation of nail bar;
Fig. 8 is the ailhead of the third mode of execution, the schematic representation of nail bar.
Among the figure:
Ailhead 1, nail bar 2, groove section 21,21a, axial groove 211, pull bar section 22,22a, 22b, afterbody axial groove 221, separating vessel 23, the collar 3, projection 31.
Embodiment
Based on the shank of existing pulling rivet and the cooperating structure of the collar, the present invention has carried out optimal design, to satisfy the requirement that each use occasion firmly connects, makes that riveting operation is convenient, efficient is higher, and can increase security and stability; Its core is: have axial groove on the outer surface of the groove section of nail bar, have the radially-protruding projection that cooperates with this axial groove on the inwall of the collar; After nail bar and collar assembling were finished, the collar was determined with respect to the axial position relation of nail bar, therefore, when the operator carries out the extruding and connecting operation at the operation riveting equipment, need not simultaneously the collar to be positioned, and conveniently carries out execute-in-place.
Specify present embodiment below in conjunction with Figure of description.
See also Fig. 1, this figure is the overall structure schematic representation of the described pulling rivet of present embodiment.
The agent structure and the prior art of the described pulling rivet of present embodiment are identical, comprise ailhead 1, nail bar 2 and the collar 3; Nail bar 2 has groove section 21 and pull bar section 22.
Wherein, this groove section 21 cooperates with the collar 3, realizes between the two affixed with the metal that holds the collar 3; This pull bar section 22 is used for cooperating with riveting equipment, so that the chuck clamping pull bar of riveting equipment is finished the riveted joint operation.
Need to prove that the riveting equipment that is used with the described pulling rivet of present embodiment is not the application's inventive point place, those of ordinary skill in the art can realize fully based on prior art, so repeat no more herein.
Has axial groove 211 on the outer surface of the groove section 21 of nail bar 2.Please in the lump referring to Fig. 2, this figure is ailhead shown in Fig. 1, follows closely the A of bar to view.
In conjunction with illustrated in figures 1 and 2, this axial groove can be used punching press, also can be with various processing technology manufacturings such as millings; In addition, during actual design, can determine length, the width equidimension parameter of this axial groove according to the pulling rivet integral intensity.
Have radially-protruding protruding 31 on the inwall of the collar 3; Please in the lump referring to Fig. 3, this figure is the B-B sectional view of the collar shown in Fig. 1.
In conjunction with Fig. 1 and shown in Figure 3, the axial groove 211 on the shape of this projection 31, size and the nail bar 2 is suitable; Be understandable that the sectional shape of projection 31 is circle, rectangle or ellipse, use needs all can as long as satisfy.
When the collar 3 was sleeved on the outside of groove section 21, this projection 31 placed in the axial groove 211; Along with the axial displacement of the collar 3 along groove section 21, this projection 31 moves axially in described axial groove 211 in the lump, when the collar 3 moves to the working position Later Zhou Dynasty, one of the Five Dynasties to rotational lantern ring 3, this projection 31 can enter along with the circumferential displacement of the collar 3 in the groove of nail bar 2, at this moment, can limit the collar and the axial position of nail between the bar.That is to say, when the operator carries out the extruding and connecting operation at the operation riveting equipment, need not simultaneously the collar to be positioned, greatly facilitate execute-in-place.
Need explanation a bit, aforementioned working position is meant the axial promotion collar along the nail bar to position component to be connected place, should be appreciated that this working position be one vertically the zone but not a concrete point.
The described pulling rivet of brief description present embodiment is riveted the operating process of operation, and please in the lump referring to Fig. 4, Fig. 5 and Fig. 6, figure shown in two point is drawn among the figure is two parts to be connected.
At first, nail bar 2 is installed in the through hole of two parts to be connected, and the collar 3 is sleeved on the outside of nail bar groove section 21, and the projection on it 31 places the axial groove 211 interior (as shown in Figure 4) on the nail bar; Then, (that is, the working position as shown in Figure 5), rotates the collar 3 again and makes the projection 31 on it enter in the groove of groove section 21, to limit the relative axial position between the collar 3 and the nail bar 2 to be riveted surface to pass the collar 3 vertically; Again, start riveting equipment and push fixed operation, the metal of the collar 3 enters the groove and the axial groove 211 interior (as shown in Figure 6) of groove section 21; At last, take off the special-purpose riveting machine of pulling rivet, riveted joint finishes.
Obviously, when the operator carries out the extruding and connecting operation at the operation riveting equipment, need not simultaneously the collar to be positioned, be convenient to operation; Behind the extruding and connecting, part collar metal is full of in the axial groove of following closely on the bar groove section, can effectively limit the motion of collar circumferencial direction, improves the anti-loosening property of pulling rivet.
In fact, a plurality of (not shown)s that axial groove 211 on the nail bar 2 and the projection 31 on the collar 3 all can be set to two or more, certainly, a plurality of projectioies and axial groove circumferentially corresponding one by one setting of edge respectively.So design, owing to before starting riveting equipment, play carrying in the spacing relation of projection 31 between the collar 3 and nail bar 2, therefore, the design of a plurality of projectioies can further improve working stability.
See also Fig. 7 and Fig. 8, wherein, Fig. 7 is the ailhead of second kind of mode of execution, the schematic representation of nail bar; Fig. 8 is the ailhead of the third mode of execution, the schematic representation of nail bar.
Be to be understood that; basic design philosophy in the application (has axial groove on the outer surface of the groove section of nail bar; have the radially-protruding projection that cooperates with this axial groove on the inwall of the collar) the basis on, other structures of pulling rivet are optimized the scheme of design all in the scope that the application asks for protection.
Such as, the groove of groove section 21 can adopt multiple structural type, and as shown in Figure 1, this groove section 21 is for setting gradually several annular grooves vertically; As shown in Figure 7, groove section 21a also can be outside thread.
Such as, as shown in Figure 7, the pull bar section 22a and the groove section 21a of nail bar can be isometrical, so design, and the outer surface of pull bar section 22a has afterbody axial groove 221; As shown in Figure 1, the external diameter of pull bar section 22 can be less than the external diameter of groove section 21.
Have such as, the outer surface of pull bar section and to be used for the afterbody groove that cooperates with riveting equipment.In like manner, this afterbody groove also can adopt multiple structural type, and as shown in Figure 1, the afterbody groove of pull bar section 22 is specially and sets gradually several annular grooves vertically; As shown in Figure 8, the afterbody groove of pull bar section 22b is specially outside thread.
Such as, according to the running parameter of different riveting equipments, can select pulling rivet for use with separating vessel.As shown in Figure 7, has separating vessel 23 between the groove section 21a of nail bar and the pull bar section.
In addition, for cutting down finished cost, improve the intensity of nail bar, as shown in Figure 1, the end that is connected with ailhead 1 of nail bar 2 is a polished rod section 24.
In addition, ailhead is specially round end (as shown in Figure 1), coiled hair (not shown) or countersunk head (as shown in Figure 8).
To sum up, the present invention is the improvement design of carrying out on the basis of existing pulling rivet: have axial groove on the outer surface of the groove section of nail bar, have the radially-protruding projection that cooperates with this axial groove on the inwall of the collar.The present invention makes the riveting operation convenient when having kept groove riveted joint mode high strength, antitheft, anticorrosive property is strong, the life-span is long premium properties, and anti-loosening property is stronger; Be specially adapted to that the anti-loosening property requirement is higher, the collar needs the stationary positioned part.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1, pulling rivet comprises ailhead, nail bar and the collar, the pull bar section that described nail bar has the groove section that cooperates with the collar and is used for cooperating with riveting equipment; It is characterized in that,
Have axial groove on the outer surface of the groove section of described nail bar,
Has radially-protruding projection on the inwall of the described collar; And
The described collar is sleeved on the outside of groove section, and this projection places in the axial groove; Described projection is along with the axial displacement of the collar is moved in described axial groove, and can enter along with the circumferential displacement of the collar in the groove of nail bar, so that limit the collar and the axial position of following closely between the bar.
2, pulling rivet according to claim 1 is characterized in that, axial groove on the described nail bar and the projection on the described collar all are set at least two, and respectively along circumferentially corresponding one by one setting.
3, pulling rivet according to claim 1 and 2 is characterized in that, the sectional shape of described projection is circle, rectangle or ellipse.
4, pulling rivet according to claim 3 is characterized in that, the groove of described groove section is specially and sets gradually several annular grooves vertically or be specially outside thread.
5, pulling rivet according to claim 4 is characterized in that, the end that is connected with ailhead of described nail bar is the polished rod section.
6, pulling rivet according to claim 4 is characterized in that, the external diameter of described pull bar section is less than the external diameter of groove section.
7, pulling rivet according to claim 4 is characterized in that, the outer surface of described pull bar section has and is used for the afterbody groove that cooperates with riveting equipment.
8, pulling rivet according to claim 7 is characterized in that, described afterbody groove is specially and sets gradually several annular grooves vertically or be specially outside thread.
9, pulling rivet according to claim 4 is characterized in that, has separating vessel between the groove section of described nail bar and the pull bar section.
10, pulling rivet according to claim 4 is characterized in that, described ailhead is specially round end, coiled hair or countersunk head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101580018A CN101598163A (en) | 2009-07-15 | 2009-07-15 | Pulling rivet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101580018A CN101598163A (en) | 2009-07-15 | 2009-07-15 | Pulling rivet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101598163A true CN101598163A (en) | 2009-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101580018A Pending CN101598163A (en) | 2009-07-15 | 2009-07-15 | Pulling rivet |
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| CN (1) | CN101598163A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728768A (en) * | 2012-06-04 | 2012-10-17 | 南车眉山车辆有限公司 | Method for fastening member with high strength and low riveting force and 10.9-level short-tail pulling rivet |
| CN102840205A (en) * | 2011-06-22 | 2012-12-26 | 彭亮生 | Bobtail high strength rivet connection pair and manufacturing method thereof |
| CN107152448A (en) * | 2017-06-19 | 2017-09-12 | 潘昊阳 | A kind of shared bicycle pulling rivet bolt |
| CN109185303A (en) * | 2018-11-16 | 2019-01-11 | 常州华森医疗器械有限公司 | A kind of absorbable pulling rivet |
| CN110232861A (en) * | 2019-06-06 | 2019-09-13 | 广州供电局有限公司 | Cable identification board, cable identification board component and its application method |
-
2009
- 2009-07-15 CN CNA2009101580018A patent/CN101598163A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840205A (en) * | 2011-06-22 | 2012-12-26 | 彭亮生 | Bobtail high strength rivet connection pair and manufacturing method thereof |
| CN102728768A (en) * | 2012-06-04 | 2012-10-17 | 南车眉山车辆有限公司 | Method for fastening member with high strength and low riveting force and 10.9-level short-tail pulling rivet |
| CN107152448A (en) * | 2017-06-19 | 2017-09-12 | 潘昊阳 | A kind of shared bicycle pulling rivet bolt |
| CN109185303A (en) * | 2018-11-16 | 2019-01-11 | 常州华森医疗器械有限公司 | A kind of absorbable pulling rivet |
| CN110232861A (en) * | 2019-06-06 | 2019-09-13 | 广州供电局有限公司 | Cable identification board, cable identification board component and its application method |
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Application publication date: 20091209 |