CN108661997B - Single-side bolt fastener capable of being repeatedly disassembled and assembled - Google Patents
Single-side bolt fastener capable of being repeatedly disassembled and assembled Download PDFInfo
- Publication number
- CN108661997B CN108661997B CN201810817698.4A CN201810817698A CN108661997B CN 108661997 B CN108661997 B CN 108661997B CN 201810817698 A CN201810817698 A CN 201810817698A CN 108661997 B CN108661997 B CN 108661997B
- Authority
- CN
- China
- Prior art keywords
- rear end
- spout
- sliding
- bodies
- blocking
- 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.)
- Active
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
-
- 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
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
- F16B35/044—Specially-shaped ends
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a repeatedly detachable unilateral bolt fastener which comprises a screw body, a plurality of sliding grooves, a plurality of sliding bodies, a plurality of blocking bodies, a plurality of elastic clamping pieces, a bushing and a plurality of inserting grooves, wherein all the sliding grooves are uniformly distributed on the peripheral surface of the rear end of the screw body in a circumferential shape, the bottom surfaces of the sliding grooves are inclined planes with low front and high rear, the sliding bodies are arranged in the sliding grooves, the lower end surfaces of the sliding bodies are matched with the bottom surfaces of the sliding grooves, the blocking bodies are arranged at the upper parts of the rear ends of the sliding bodies, the bushing is sleeved on the screw body in front of the blocking bodies, when the front ends of the sliding bodies are in contact with the front ends of the sliding grooves, the upper ends of the blocking bodies exceed the notch of the sliding grooves, and the inserting grooves are internally provided with the elastic clamping pieces.
Description
[ field of technology ]
The invention relates to a repeatedly-detachable unilateral bolt fastener, and belongs to the technical field of civil construction engineering and mechanical assembly.
[ background Art ]
At present, in the fields of civil construction and mechanical installation, the installation requirement for fastening the connection of structural members is large. In the case of bolts currently in common use, when performing a joint tightening operation on a member, a worker needs to simultaneously insert a bolt with a nut on one side of the member and then tighten the nut with a tool on the other side. The connecting and fastening method has the advantages of simple structure, convenient operation and good bearing capacity, but is only suitable for the open section components, and the common bolt and nut connecting and fastening method cannot be used in certain special occasions, such as connecting and fastening the closed section components or the components inconvenient to operate on the other side. Such as: in the steel pipe structure and the steel pipe concrete structure, the beam column connecting joint is provided with a single-side bolt fastener which has a simple structure, is convenient to use and can be repeatedly disassembled and assembled because the steel pipe column is of a closed section and cannot be operated on two sides and can be only connected and installed on one side
[ invention ]
The invention aims to solve the problems in the prior art and provides a unilateral bolt fastener which is simple in structure, convenient to use and capable of being repeatedly disassembled and assembled.
In order to achieve the above-mentioned purpose, the invention provides a repeatable assembled and disassembled unilateral bolt fastener, which comprises a screw body, a plurality of sliding grooves, a plurality of sliding bodies, a plurality of blocking bodies, a plurality of elastic clamping pieces, a lining and a plurality of inserting grooves, wherein all the sliding grooves are uniformly distributed on the peripheral surface of the rear end of the screw body in a circumferential shape, the groove bottom surfaces of the sliding grooves are inclined surfaces with low front and high rear, sliding bodies are arranged in the sliding grooves, the lower end surfaces of the sliding bodies are matched with the groove bottom surfaces of the sliding grooves, the blocking bodies are arranged at the upper parts of the rear ends of the sliding bodies, the lining is sleeved on the screw body in front of the blocking bodies, when the front ends of the sliding bodies are contacted with the front ends of the sliding grooves, the upper ends of the blocking bodies exceed the notch of the sliding grooves, inserting grooves are formed in the front ends of the sliding bodies, the elastic clamping pieces are respectively arranged in the inserting grooves, the elastic clamping pieces comprise inserting parts inserted into the inserting grooves and clamping parts obliquely arranged at the upper ends of the inserting parts, the inner walls of the lining are provided with containing grooves which are corresponding to and matched with the clamping parts, and the containing grooves are arranged at the rear ends of the upper ends of the inserting parts.
Preferably, when the rear end of the sliding body is contacted with the rear end of the sliding groove, the upper end of the sliding body is flush with the notch of the sliding groove.
Preferably, the sliding body and the blocking body are of an integrally formed structure, the upper end of the blocking body is arc-shaped, and when the front end of the sliding body is contacted with the front end of the sliding groove, the upper end of the blocking body is flush with the peripheral surface of the bushing.
Preferably, the rear end of the screw body is integrally formed with an annular protrusion, the diameter of the annular protrusion is equal to that of the bushing, and when the rear end of the sliding body contacts with the rear end of the sliding groove, the rear end of the sliding body also contacts with the annular protrusion.
Preferably, the front end of the screw body is provided with a square head, and the front end of the square head is provided with a groove with a regular polygon cross section.
Preferably, the rear end of the bush is in contact with the front end of the blocking body.
The invention has the beneficial effects that: according to the invention, the unilateral bolt fastener is inserted into the mounting hole of the first component until the rear end of the bushing exceeds the rear end of the mounting hole, then the bushing is pushed backwards, the bushing pushes the blocking body and drives the sliding body to move backwards until the rear end of the sliding body contacts with the rear end of the sliding groove, as the bottom surface of the sliding groove is a slope with low front and high rear, the lower end surface of the sliding body is matched with the bottom surface of the sliding groove, the sliding body moves backwards and forces the clamping part to be changed into a horizontal state from an inclined state, the sliding body drives the blocking body to extend out of the sliding groove more, then the unilateral bolt is pulled forwards until the blocking body is pressed on the rear end of the first component, and then the second component is sleeved on the bushing and is sleeved with the fixing nut in a screwing way on the screw body; when dismantling, pull down fixation nut and second component, then promote unilateral bolt fastener backward to a certain distance, the bush of forward pulling, the bush passes through the elasticity fastener and drives the slider and move forward until the front end of slider is contradicted on the front end of spout, compares with prior art, can simple structure, convenient to use, repeatedly dismouting use.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic cross-sectional view of a re-attachable single-sided bolt fastener of the present invention;
FIG. 2 is a schematic illustration of the installation of a repeatable removable single-sided bolt fastener of the present invention;
FIG. 3 is a partial side view of a repeatable assembled and disassembled single-sided bolt fastener of the present invention;
fig. 4 is a perspective view of the resilient clip and blocking body disposed on the slider.
In the figure: 1-screw body, 2-spout, 3-slider, 4-blocking body, 5-elasticity fastener, 6-bush, 7-jack groove, 8-annular protruding, 9-square head, 10-recess, 11-second component, 12-first component, 13-mounting hole, 14-fixation nut.
[ detailed description ] of the invention
Referring to fig. 1, 2, 3 and 4, the repeatedly detachable unilateral bolt fastener of the invention comprises a screw body 1, a plurality of sliding grooves 2, a plurality of sliding bodies 3, a plurality of blocking bodies 4, a plurality of elastic clamping pieces 5, a lining 6 and a plurality of inserting grooves 7, wherein all the sliding grooves 2 are uniformly distributed on the peripheral surface of the rear end of the screw body 1 in a circumferential shape, the groove bottom surfaces of the sliding grooves 2 are inclined surfaces with low front and high back, the sliding bodies 3 are arranged in the sliding grooves 2, the lower end surfaces of the sliding bodies 3 are matched with the groove bottom surfaces of the sliding grooves 2, the blocking bodies 4 are arranged at the upper parts of the rear ends of the sliding bodies 3, the lining 6 is sleeved on the screw body 1 in front of the blocking bodies 4, when the front ends of the sliding bodies 3 are contacted with the front ends of the sliding grooves 2, the upper ends of the blocking bodies 4 exceed the notch of the sliding grooves 2, the inserting grooves 7 are arranged at the front parts of the upper ends of the sliding bodies 3, the elastic clamping pieces 5 are arranged in the inserting grooves 7, each elastic clamping piece 5 comprises an inserting portion 51 inserted into the inserting groove 7 and a clamping portion 52 obliquely arranged at the upper end of the inserting portion 51, the inner wall of each bushing 6 is provided with containing grooves 15 corresponding to the clamping portions 52 one by one and matched with each other, the high ends of the clamping portions 52 are abutted against the rear ends of the containing grooves 15, when the rear ends of the sliding bodies 3 are contacted with the rear ends of the sliding grooves 2, the upper ends of the sliding bodies 3 are flush with the notch of the sliding grooves 2, the sliding bodies 3 and the blocking bodies 4 are in an integrated structure, the upper ends of the blocking bodies 4 are arc-shaped, when the front ends of the sliding bodies 3 are contacted with the front ends of the sliding grooves 2, the upper ends of the blocking bodies 4 are flush with the outer peripheral surfaces of the bushings 6, annular protrusions 8 are integrally formed at the rear ends of the screw bodies 1, the diameters of the annular protrusions 8 are equal to the diameters of the bushings 6, when the rear end of the sliding body 3 contacts with the rear end of the sliding groove 2, the rear end of the sliding body 3 also contacts with the annular bulge 8, the front end of the screw body 1 is provided with a square head 9, the front end of the square head 9 is provided with a groove 10 with a regular polygon cross section, and the rear end of the bushing 6 contacts with the front end of the blocking body 4.
The working process of the invention comprises the following steps:
in the working process of the repeatedly detachable unilateral bolt fastener, the unilateral bolt fastener is inserted into the mounting hole 13 of the first component 12 until the rear end of the bushing 6 exceeds the rear end of the mounting hole 13, then the bushing 6 is pushed backwards, the bushing 6 pushes the blocking body 4 and drives the sliding body 3 to move backwards until the rear end of the sliding body 3 contacts with the rear end of the sliding groove 2, the lower end surface of the sliding body 3 is matched with the bottom surface of the sliding groove 2 due to the inclined surface of the sliding groove 2, the sliding body 3 moves backwards and forces the clamping part 52 to be changed from an inclined state to a horizontal state, the sliding body 3 drives the part of the blocking body 4 extending out of the sliding groove 2 to be more, then the unilateral bolt is pulled forwards until the blocking body 4 is pressed on the rear end of the first component 12, and then the second component 11 is sleeved on the bushing 6 and the screw body 1 is screwed with the fixing nut 14 and screwed.
When the fixing nut 14 and the second member 11 are detached, the unilateral bolt fastener is pushed backwards to a certain distance, the bushing 6 is pulled forwards, the bushing 6 drives the sliding body 3 to move forwards through the elastic clamping piece 5 (the sliding body 3 moves forwards and simultaneously moves inwards towards the sliding groove 2 under the action of the elastic clamping piece 5, the sliding groove 2 drives the blocking body 4 to move inwards towards the sliding groove 2), until the front end of the sliding body abuts against the front end of the sliding groove, and then the unilateral bolt fastener can be taken out from the mounting hole 13.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (3)
1. A repeatedly detachable unilateral bolt fastener is characterized in that: including the body of screw (1), a plurality of spout (2), a plurality of slide body (3), a plurality of blocking body (4), a plurality of elasticity fastener (5), bush (6), and a plurality of jack groove (7), all spout (2) are circumference form evenly distributed on the rear end global of body of screw (1), the tank bottom face of spout (2) is the inclined plane of low back height in the front, all be equipped with slide body (3) in spout (2), the lower terminal surface of slide body (3) coincide with the tank bottom face of spout (2), the rear end upper portion of slide body (3) all is equipped with and blocks body (4), the cover is equipped with bush (6) on the screw body (1) of blocking body (4) the place ahead, when the front end of slide body (3) and the front end contact of spout (2), the upper end that blocks body (4) surpasss the notch of spout (2), the upper end front portion of slide body (3) all is equipped with jack groove (7), all be equipped with elasticity fastener (5) in jack groove (7), elastic fastener (5) include the inner wall (52) of jack groove (52) and jack groove (52) are established in the corresponding portion of inserting one-to-one, the high-end of joint portion (52) is contradicted on the rear end of holding tank (15), when the rear end of slider (3) and the rear end of spout (2) contact, the upper end of slider (3) and the notch parallel and level of spout (2), slider (3) and blocking body (4) are integrated into one piece structure, the upper end that blocks body (4) is convex shape, when the front end of slider (3) and the front end of spout (2) contact, the upper end that blocks body (4) and the outer peripheral face parallel and level of bush (6), the rear end integrated into one piece of screw rod body (1) has annular bulge (8), the diameter of annular bulge (8) equals with the diameter of bush (6), when the rear end of slider (3) and the rear end of spout (2) contact, the rear end of slider (3) also contacts with annular bulge (8).
2. The re-attachable single-sided bolt fastener of claim 1, wherein: the front end of the screw body (1) is provided with a square head (9), and the front end of the square head (9) is provided with a groove (10) with a regular polygon cross section.
3. The re-attachable single-sided bolt fastener of claim 1, wherein: the rear end of the bushing (6) is in contact with the front end of the blocking body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817698.4A CN108661997B (en) | 2018-07-24 | 2018-07-24 | Single-side bolt fastener capable of being repeatedly disassembled and assembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810817698.4A CN108661997B (en) | 2018-07-24 | 2018-07-24 | Single-side bolt fastener capable of being repeatedly disassembled and assembled |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108661997A CN108661997A (en) | 2018-10-16 |
| CN108661997B true CN108661997B (en) | 2023-08-15 |
Family
ID=63789434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810817698.4A Active CN108661997B (en) | 2018-07-24 | 2018-07-24 | Single-side bolt fastener capable of being repeatedly disassembled and assembled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108661997B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118220B (en) * | 2019-06-10 | 2024-02-06 | 浙江盛世瑞金紧固件股份有限公司 | Lock bolt for highway guardrail |
| CN111705950A (en) * | 2020-05-11 | 2020-09-25 | 广城建设集团有限公司 | High-strength assembly type shear wall structure |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0409722A1 (en) * | 1989-07-20 | 1991-01-23 | Compagnie De Materiel Et D'equipements Techniques C.O.M.E.T. | Devices to attach an element to a drilled support, accessible only from one side |
| JP2005090024A (en) * | 2003-09-16 | 2005-04-07 | Masanori Goto | One-way joint made of synthetic resin |
| CN201486991U (en) * | 2009-09-05 | 2010-05-26 | 杨田野 | Oblique groove screw bolt |
| CN102678720A (en) * | 2012-04-28 | 2012-09-19 | 苏州市邓尉喷胶棉厂 | Bolt |
| CN103541982A (en) * | 2013-10-29 | 2014-01-29 | 同济大学 | Nested-type single-side bolt fastener |
| CN105422582A (en) * | 2015-12-16 | 2016-03-23 | 同济大学 | Whole overturning single-edge bolt fastening piece |
| CN205858896U (en) * | 2016-06-22 | 2017-01-04 | 新昌县七星街道鑫瑞机械厂 | A kind of novel single-side bolt fastener of easy accessibility |
| CN107355458A (en) * | 2017-07-06 | 2017-11-17 | 海盐县通顺标准件厂 | A kind of modified form setscrew |
| CN206860643U (en) * | 2017-07-03 | 2018-01-09 | 温州市三诚不锈钢标准件有限公司 | A kind of check bolt |
| CN207333429U (en) * | 2017-09-21 | 2018-05-08 | 沈阳理工大学 | A kind of locking machine screw |
| CN208719106U (en) * | 2018-07-24 | 2019-04-09 | 海盐哈特惠机械五金制品有限公司 | A kind of unilateral bolt fastener of repeatable dismounting |
-
2018
- 2018-07-24 CN CN201810817698.4A patent/CN108661997B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0409722A1 (en) * | 1989-07-20 | 1991-01-23 | Compagnie De Materiel Et D'equipements Techniques C.O.M.E.T. | Devices to attach an element to a drilled support, accessible only from one side |
| JP2005090024A (en) * | 2003-09-16 | 2005-04-07 | Masanori Goto | One-way joint made of synthetic resin |
| CN201486991U (en) * | 2009-09-05 | 2010-05-26 | 杨田野 | Oblique groove screw bolt |
| CN102678720A (en) * | 2012-04-28 | 2012-09-19 | 苏州市邓尉喷胶棉厂 | Bolt |
| CN103541982A (en) * | 2013-10-29 | 2014-01-29 | 同济大学 | Nested-type single-side bolt fastener |
| CN105422582A (en) * | 2015-12-16 | 2016-03-23 | 同济大学 | Whole overturning single-edge bolt fastening piece |
| CN205858896U (en) * | 2016-06-22 | 2017-01-04 | 新昌县七星街道鑫瑞机械厂 | A kind of novel single-side bolt fastener of easy accessibility |
| CN206860643U (en) * | 2017-07-03 | 2018-01-09 | 温州市三诚不锈钢标准件有限公司 | A kind of check bolt |
| CN107355458A (en) * | 2017-07-06 | 2017-11-17 | 海盐县通顺标准件厂 | A kind of modified form setscrew |
| CN207333429U (en) * | 2017-09-21 | 2018-05-08 | 沈阳理工大学 | A kind of locking machine screw |
| CN208719106U (en) * | 2018-07-24 | 2019-04-09 | 海盐哈特惠机械五金制品有限公司 | A kind of unilateral bolt fastener of repeatable dismounting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108661997A (en) | 2018-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108661997B (en) | Single-side bolt fastener capable of being repeatedly disassembled and assembled | |
| CN103541982A (en) | Nested-type single-side bolt fastener | |
| CN108571507B (en) | Deformation shrinkage self-recovery split type unilateral bolt fastener with cambered surface | |
| JP4741338B2 (en) | Pipe joint and pipe connection structure | |
| CN108661999B (en) | Unilateral bolt fastener | |
| CN112747022A (en) | Anchor assembly for a fastener | |
| CN108661998B (en) | Improved unilateral bolt fastener | |
| CN106939912B (en) | Goods shelf connecting piece | |
| CN209799004U (en) | Fast-assembling steel structure | |
| CN111594515A (en) | Two-way connecting piece convenient to install | |
| CN214092668U (en) | Anti-loosening fastening nut | |
| CN203257845U (en) | Fastening barrel for combining parts on model | |
| CN107299931B (en) | Improved split assembly screw | |
| CN111594519A (en) | Dismantle convenient novel expansion bolts | |
| CN219413210U (en) | Self-locking friction locknut | |
| CN216130256U (en) | Quick-assembly and quick-disassembly device for faucet | |
| CN216130255U (en) | Quick assembly disassembly device that tap is fixed | |
| CN219342827U (en) | Bridge support stopper | |
| CN209781911U (en) | Integral type back taper connects | |
| CN219840888U (en) | Invisible connecting piece for furniture plate | |
| CN217123016U (en) | Sleeve mountable to output assembly of power tool | |
| CN210342259U (en) | Connection structure for steel structure building | |
| CN219865789U (en) | High-strength anti-loosening expansion bolt | |
| CN219623037U (en) | Anchor bolt for photovoltaic solar installation | |
| CN210359085U (en) | Protective structure for ejection of cold heading die of slender rod piece |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 314300 1-2/F, Building 1 and Building 2, No. 199 Hejia Road, Wanghai Street, Haiyan County, Jiaxing, Zhejiang Province Applicant after: Zhejiang Hathaway Technology Co.,Ltd. Address before: 314300 Fenghuang Village, Xitangqiao Town, Haiyan County, Jiaxing City, Zhejiang Province Applicant before: HAIYAN HATEHUI MACHINERY HARDWARE PRODUCTS CO.,LTD. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |