CN106704327A - Bolt special for heavy duty goods shelf - Google Patents
Bolt special for heavy duty goods shelf Download PDFInfo
- Publication number
- CN106704327A CN106704327A CN201710159714.0A CN201710159714A CN106704327A CN 106704327 A CN106704327 A CN 106704327A CN 201710159714 A CN201710159714 A CN 201710159714A CN 106704327 A CN106704327 A CN 106704327A
- Authority
- CN
- China
- Prior art keywords
- bolt
- expansion
- support
- nut
- set cylinder
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims description 7
- 238000010008 shearing Methods 0.000 claims description 5
- 238000004901 spalling Methods 0.000 claims description 5
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000003801 milling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Assembled Shelves (AREA)
Abstract
The invention relates to a bolt special for a heavy duty goods shelf and belongs to the technical field of fasteners. The bolt special for the heavy duty goods shelf comprises a bolt body (1), a fastening sleeve (2), an expansion sleeve (3) and an expanding nut (4). A bolt head of the bolt body (1) is rotated rightwards through a spanner, then the expanding nut (4) is driven to rotate rightwards and move rightwards relative to the bolt body (1), and the expansion sleeve (3) penetrates into the expanding nut (4), so that the diameter of the expanding nut (4) is increased, a goods shelf assembly is compressed, fastening is achieved, idle is avoided, looseness is prevented, and single-sided mounting is convenient and rapid. The expansion sleeve (3) can be expanded so that the fastening sleeve (2) can penetrate into the expansion sleeve (3), shear force is borne through a contact face of the goods shelf assembly, and firmness and reliability are achieved. The bolt body (1) and the fastening sleeve (2) of the bolt can be used repeatedly and can be dismounted and mounted conveniently. The bolt can be used for connecting the heavy duty goods shelf assembly, can also be used for connecting and fastening two parts with through holes of all parts, and can bear tensile and shear force.
Description
First, technical field
The present invention relates to a kind of bolt, belong to technical field of fastening.
2nd, background technology
Shelf are used to store article as a kind of storage facilities, improve space availability ratio.Heavy weight shelving be usually used in workshop and
Warehouse, mainly including column, crossbeam and laminate.Mainly there are welding, bolt connection and butterfly button between the column and crossbeam of shelf
Connection.Butterfly button bonding strength is low.Welding manner intensity is high, but can not dismantle.Bolt connection intensity is high, can dismantle again,
But because tie point is more, dismounting workload is big, and efficiency is low.Bolt connection is the main connected mode of current heavy weight shelving.
Bolt is cylindrical threaded fastener, be made up of head and screw rod, it is necessary to and nut screw connection, to connect and tight
Gu two parts with through hole, belong to and are detachably connected.Bolt for heavy weight shelving bears axial tension, is also subjected to transverse direction
Shearing force.Bolted deficiency is easily to loosen, it is impossible to which one side is installed.
In order to solve the problems, such as that one side is installed, expansion bolt has been occurred in that at present, by the deformation for expanding lasso so that
Diameter increases and fastens.The bolt that this kind of one side is installed increases its diameter and is fixed on inconvenience all by the deformation of deformation element
The side of installation, but deformation element low intensity, deformed shape are uncontrollable so that bonding strength is limited.Expansion bolt can not
For the connection of through hole object, can otherwise dally, it is impossible to fixed.
The present invention on this basis, proposes a kind of heavy weight shelving special bolt.
3rd, the content of the invention
It is an object of the invention to provide a kind of heavy weight shelving special bolt, can connect to high intensity shelf component turns into whole
Body, is convenient to mount and dismount quick.
A kind of heavy weight shelving special bolt includes bolt 1, fastening sleeve 2, support expansion set cylinder 3 and expansion nut 4, such as Fig. 1 and
Shown in Fig. 2.The expansion nut 4 carries internal thread, coordinates with bolt 1, with spanner 1 tightened relative sleeve of bolt 2 can be driven right
Rotation, expansion nut 4 moved to right so that bolt 1, fastening sleeve 2, support expansion set cylinder 3 and expansion nut 4 are compressed, can one side install, can
Avoid dallying and locking.The support expansion set cylinder 3 is columnar structured, can extrude and support swollen expansion nut 4 so that expansion nut 4
Diameter increases, and compresses shelf component, realizes the threaded connection of heavy weight shelving component, is convenient to mount and dismount quick.
The bolt 1 carries bolt head and shank of bolt；The bolt head is positive six prismsby structure, can be driven with spanner and revolved
Turn；The shank of bolt is rigidly connected on right side with bolt head, and external screw thread is carried in left side, is coordinated with expansion nut 4.
The fastening sleeve 2 is columnar structured, and left side carries outer conical surface, is compressed with support expansion set cylinder 3, and right side carries six
Angle head, the bolt head with the bolt 1 is compressed.The turret head is positive six prismsby structure, is easy to drive rotation with spanner, is carried
Through hole so that bolt 1 is passed through, boss is carried on right side.The boss is compressed with the bolt head of bolt 1.
The support expansion set cylinder 3 carries outer conical surface 31 in left side, with the swollen groove 32 of support on the right side of external cylindrical surface, such as Fig. 3 institutes
Show.The outer conical surface 31 is extrudable and supports swollen expansion nut 4 so that the diameter of expansion nut 4 increases.The swollen depth of groove 32 of support
Less than wall thickness, stress concentration and spalling can be produced under the extruding of fastening sleeve 2 so that fastening sleeve 2 penetrates support expansion set
Cylinder 3, by the contact surface of shelf component, bears shearing force, is easy to fastening.
The expansion nut 4 carries bending groove 41 in external cylindrical surface, is threaded hole 42 in center, the spiral shell with bolt 1
Tightening latch coordinates, and evenly distributed axial groove 43 is carried on the right side of external cylindrical surface, as shown in Figure 3.In figure 3, drawn in broken circle
Be arrow meaning position profile.The screwed hole 42 extends into the right circular cone unthreaded hole in the left end of axial pass trough 43.It is described
Bending groove 41 is vertical with the axis of expansion nut 4, equal with the quantity of axial pass trough 43, in the outer conical surface 31 with support expansion set cylinder 3
During compression, produce stress concentration, be easy to the right side of expansion nut 4 to be radially bent out, diameter increases, expansion, and with shelf group
Part is compressed.The screwed hole 42 carries internal thread, and the external screw thread with bolt 1 on the left of shank of bolt coordinates.The axial pass trough 43
Quantity be not less than 2, be easy to the right side of expansion nut 4 to be bent outwardly.
It is using installation process of the invention：（1）The relative position of heavy weight shelving component is adjusted first, it is ensured that heavy weight shelving
The through hole of component is concentric.（2）Bolt of the invention is inserted into through hole from right side, it is ensured that the outer conical surface 31 in the left side of support expansion set cylinder 3
Expose through hole length enough.Then with the bolt head of bolt 1 described in spanner dextrorotation, expansion nut 4 is driven with respect to the bolt of bolt 1
Bar dextrorotation so that expansion nut 4 is moved to right.If bolt 1 dallies, the turret head of fastening sleeve 2 can be blocked with another spanner, really
Protect and relatively rotate.（3）Because expansion nut 4 is moved to right so that expansion nut 4 compresses the outer conical surface 31 in the left side of support expansion set cylinder 3.It is swollen
The right side of expansion nut 4 is radially bent out, and diameter increases, expansion.（4）The right side of expansion nut 4 is radially bent out and diameter
After increase, further dextrorotation may be such that the outer conical surface in the left side of fastening sleeve 2 compresses support expansion set cylinder 3 so that support swollen groove 32 spalling,
Fastening sleeve 2 penetrates support expansion set cylinder 3, by the contact surface of shelf component, realizes fastening.Connection status of the invention such as Fig. 2 institutes
Show.
The beneficial effects of the invention are as follows：By the bolt head of bolt 1 described in spanner dextrorotation, expansion nut 4 is driven with respect to spiral shell
The shank of bolt dextrorotation of bolt 1 is simultaneously moved to right, and the outer conical surface 31 of support expansion set cylinder 3 penetrates expansion nut 4 so that the right side edge of expansion nut 4
Bend radially outward, diameter increases, and expansion compresses the left side of shelf component, realizes fastening, it is to avoid dally and locking, one side peace
Fill convenient and swift.The swollen groove 32 of support of the support expansion set cylinder 3 can spalling so that fastening sleeve 2 penetrates support expansion set cylinder 3, by shelf
The contact surface of component, bears shearing force, and fastening is reliable.Bolt of the invention 1 and fastening sleeve 2 are reusable, and it is convenient to dismount.
Bolt of the invention cannot be only used for the connection of heavy weight shelving component, can be used to connecting and fastening two with through hole all zero
Part, can bear stretching and shearing force.
4th, illustrate
Fig. 1 is general structure schematic diagram of the invention；
Fig. 2 is structural representation of the present invention in tightening state；
Fig. 3 is the structural representation for supportting expansion set cylinder 3 and expansion nut 4.
Description of reference numerals：Bolt 1, fastening sleeve 2, support expansion set cylinder 3, outer conical surface 31, support swollen groove 32, expansion nut 4,
Bending groove 41, screwed hole 42 and axial pass trough 43.
5th, specific embodiment
Technical scheme is described in detail below in conjunction with accompanying drawing and specific embodiment.
Fig. 1 is general structure schematic diagram of the invention, including bolt 1, fastening sleeve 2, support expansion set cylinder 3 and expansion nut 4.
The preferred medium carbon steel bar of the bolt 1, by cold-heading, extruding, thread rolling, finishing and heat treatment shaping.The bolt head of bolt 1 and
The link position design transition circular arc of shank of bolt, is easy to shaping, it is to avoid stress concentration, improves intensity.In order to avoid corrosion, improve
Intensity, also can be using materials such as stainless steel, high-carbon steel and steel alloys.
The fastening sleeve 2 is columnar structured, and left side carries outer conical surface, and right side carries turret head, preferably mild steel
Tubing, through hot-pressed；Also can be first separately formed by the turret head of fastening sleeve 2, then welded with metal pipe material, then carry out
Machining.
The support expansion set cylinder 3 carries outer conical surface 31 in left side, with the swollen groove 32 of support on the right side of external cylindrical surface, such as Fig. 3 institutes
Show, preferably medium carbon steel tubing is through hot-pressed.The depth of the swollen groove 32 of support is less than wall thickness, preferably Milling Process,
Ensure in fastener cycle, after expansion nut 4 is first bent outwardly, then spalling.
Fig. 2 is structural representation of the present invention in tightening state.In tightening state, it is to be ensured that fastening sleeve 2 and support
Expansion set cylinder 3 is easy to the present invention to bear cross shear all by the contact surface of shelf component.
The expansion nut 4 carries bending groove 41 in external cylindrical surface, and hole 42 is threaded in center, right in external cylindrical surface
Side carries evenly distributed axial groove 43, as shown in Figure 3.The screwed hole 42 extends into the right circle in the left end of axial pass trough 43
Cone unthreaded hole.The preferred medium carbon steel bar of the expansion nut 4, shapes through cold-heading, tapping, milling and heat treatment process.The bending
Groove 41 and the preferred Milling Process of axial pass trough 43 shape, and quantity is equal, preferably 4.
Above-mentioned implementation is only the preferred embodiment of the present invention, is not construed as limiting the invention.Meeting the present invention
Structure and performance requirement under the conditions of, change material and manufacturing process, all within protection scope of the present invention.
Claims (5)
1. a kind of heavy weight shelving special bolt includes bolt（1）, fastening sleeve（2）, support expansion set cylinder（3）And expansion nut（4）, its
It is characterised by the expansion nut（4）With internal thread, with bolt（1）Coordinate, bolt can be driven with spanner（1）Tightened relative set
Cylinder（2）Dextrorotation, expansion nut（4）Move to right so that bolt（1）, fastening sleeve（2）, support expansion set cylinder（3）And expansion nut（4）Pressure
Tightly, can one side install, can avoid idle running and it is locking；The support expansion set cylinder（3）It is extrudable and support swollen expansion for columnar structured
Nut（4）So that expansion nut（4）Diameter increases, and compresses shelf component, realizes the threaded connection of heavy weight shelving component, assembles and disassembles
It is convenient and swift.
2. according to a kind of heavy weight shelving special bolt described in claim 1, it is characterised in that the bolt（1）With bolt head
And shank of bolt；The bolt head is positive six prismsby structure；The shank of bolt is rigidly connected on right side with bolt head, is carried in left side
External screw thread.
3. according to a kind of heavy weight shelving special bolt described in claim 1, it is characterised in that the fastening sleeve（2）It is cylinder
Shape structure, left side carries outer conical surface, with support expansion set cylinder（3）Compress, right side carries turret head, with the bolt（1）Bolt
Head is compressed.
4. according to a kind of heavy weight shelving special bolt described in claim 1, it is characterised in that the support expansion set cylinder（3）In left side
With outer conical surface（31）, with the swollen groove of support on the right side of external cylindrical surface（32）；The swollen groove of support（32）Depth is less than wall thickness,
Can be in fastening sleeve（2）Extruding under spalling so that fastening sleeve（2）Penetrate support expansion set cylinder（3）, by the contact of shelf component
Face, bears shearing force, is easy to fastening.
5. according to a kind of heavy weight shelving special bolt described in claim 1, it is characterised in that the expansion nut（4）Cylindrical
Cylinder carries bending groove（41）, hole is threaded in center（42）, with evenly distributed axial logical on the right side of external cylindrical surface
Groove（43）；The screwed hole（42）In axial pass trough（43）Left end extends into the right circular cone unthreaded hole；The bending groove（41）With it is swollen
Expansion nut（4）Axis it is vertical, with axial pass trough（43）Quantity is equal, is easy to expansion nut（4）Right side is radially bent out,
Diameter increases, expansion, and is compressed with shelf component；The screwed hole（42）With internal thread, with bolt（1）On the left of shank of bolt
External screw thread coordinate；The axial pass trough（43）Quantity be not less than 2, be easy to expansion nut（4）Right side be bent outwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710159714.0A CN106704327A (en) | 2017-03-17 | 2017-03-17 | Bolt special for heavy duty goods shelf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710159714.0A CN106704327A (en) | 2017-03-17 | 2017-03-17 | Bolt special for heavy duty goods shelf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106704327A true CN106704327A (en) | 2017-05-24 |
Family
ID=58886782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710159714.0A Pending CN106704327A (en) | 2017-03-17 | 2017-03-17 | Bolt special for heavy duty goods shelf |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106704327A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441925A (en) * | 2018-12-10 | 2019-03-08 | 重庆大学 | A kind of one-way bolt with controllable expansion part |
| CN109707714A (en) * | 2019-01-16 | 2019-05-03 | 沈阳飞机工业（集团）有限公司 | A kind of conical surface generation radial displacement tensioning device |
| CN110005060A (en) * | 2019-05-08 | 2019-07-12 | 湖南集建创装配式建筑科技有限公司 | Timber structure steel feather joint part |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5458448A (en) * | 1994-05-20 | 1995-10-17 | Cheng; Yu-Hsin | Expansion bolt structure |
| CN102678720A (en) * | 2012-04-28 | 2012-09-19 | 苏州市邓尉喷胶棉厂 | Bolt |
| CN104564961A (en) * | 2014-12-22 | 2015-04-29 | 宁波市镇海翔遨机电有限公司 | Expansion bolt |
| CN105240365A (en) * | 2014-07-08 | 2016-01-13 | 马宝峰 | Multi-functional expansion bolt |
| CN105570256A (en) * | 2014-10-11 | 2016-05-11 | 中国航空工业集团公司西安飞机设计研究所 | Adjustable interference fit connecting piece |
| CN105840611A (en) * | 2016-05-26 | 2016-08-10 | 鲁东大学 | High-strength bolt assembly used for single-side mounting |
-
2017
- 2017-03-17 CN CN201710159714.0A patent/CN106704327A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5458448A (en) * | 1994-05-20 | 1995-10-17 | Cheng; Yu-Hsin | Expansion bolt structure |
| CN102678720A (en) * | 2012-04-28 | 2012-09-19 | 苏州市邓尉喷胶棉厂 | Bolt |
| CN105240365A (en) * | 2014-07-08 | 2016-01-13 | 马宝峰 | Multi-functional expansion bolt |
| CN105570256A (en) * | 2014-10-11 | 2016-05-11 | 中国航空工业集团公司西安飞机设计研究所 | Adjustable interference fit connecting piece |
| CN104564961A (en) * | 2014-12-22 | 2015-04-29 | 宁波市镇海翔遨机电有限公司 | Expansion bolt |
| CN105840611A (en) * | 2016-05-26 | 2016-08-10 | 鲁东大学 | High-strength bolt assembly used for single-side mounting |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441925A (en) * | 2018-12-10 | 2019-03-08 | 重庆大学 | A kind of one-way bolt with controllable expansion part |
| CN109441925B (en) * | 2018-12-10 | 2023-09-29 | 重庆大学 | Unidirectional bolt with controllable expansion piece |
| CN109707714A (en) * | 2019-01-16 | 2019-05-03 | 沈阳飞机工业（集团）有限公司 | A kind of conical surface generation radial displacement tensioning device |
| CN109707714B (en) * | 2019-01-16 | 2024-01-23 | 沈阳飞机工业（集团）有限公司 | Conical surface radial displacement tensioning device |
| CN110005060A (en) * | 2019-05-08 | 2019-07-12 | 湖南集建创装配式建筑科技有限公司 | Timber structure steel feather joint part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
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| RJ01 | Rejection of invention patent application after publication |