CN107299931B - Improved split assembly screw - Google Patents
Improved split assembly screw Download PDFInfo
- Publication number
- CN107299931B CN107299931B CN201710546764.4A CN201710546764A CN107299931B CN 107299931 B CN107299931 B CN 107299931B CN 201710546764 A CN201710546764 A CN 201710546764A CN 107299931 B CN107299931 B CN 107299931B
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- Prior art keywords
- midbody
- falling
- protrusions
- intermediate body
- anticreep
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 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
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- 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
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- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses an improved split assembly type screw which comprises an upper body, a lower body, a first intermediate body, a second intermediate body, a supporting body, two first anti-falling bodies, two second anti-falling bodies, a sleeve body and two anti-falling mechanisms, wherein the upper body, the lower body, the first intermediate body, the second intermediate body and the supporting body are matched to form a threaded rod of the screw, the sleeve body is sleeved on the threaded rod, the first intermediate body, the second intermediate body and the supporting body are positioned between the upper body and the lower body, the supporting body is positioned between the first intermediate body and the second intermediate body, the upper end and the lower end of the supporting body are respectively connected with the upper body and the lower body through an anti-falling mechanism, the first anti-falling bodies are arranged at the rear ends of the upper body and the lower body, and the second anti-falling bodies are arranged at the rear ends of the first intermediate body and the second intermediate body.
Description
[ field of technology ]
The invention relates to the technical field of screws, in particular to the technical field of improved split assembly type screws.
[ background Art ]
At present, in the field of civil construction and mechanical installation, the installation requirement for fastening structural members is large. The common bolt fastener is mainly composed of a bolt and a screw. In the case of connecting and fastening members, it is necessary for a worker to insert a bolt with a nut on one side of the member and then tighten the nut on the other side with a tool such as a wrench. The connecting and fastening method is convenient to operate and high in bearing capacity, but is only applicable to the opening cross-section member. In particular applications, such as the connection fastening of closed-section components or components that are inconvenient to operate on the other side, such conventional bolt-and-nut connection fastening methods cannot be used. In the steel pipe structure and the steel pipe concrete structure, the beam column connecting joint is not capable of being operated on two sides and only capable of being connected and installed on one side because the steel pipe column is of a closed section, so that the common bolt and nut connection fastening method cannot be adopted for fastening and installing.
The application of the bolt pretightening force is difficult to realize by the common expansion one-way bolt, and the fastening effect cannot meet the design requirement under a larger load. The core penetrating bolts in the prior art have extremely high requirement on the reserved precision of bolt hollows, are difficult to install on site, and are difficult to apply at the joints of side columns and corner columns.
At present, no corresponding unilateral bolt product exists in the domestic market, and the related patent is disclosed, so that the bolt rod is weakened too much, the stress point of the bolt head is too small, or a complex installation tool and complex installation steps are required, so that the method is not suitable for popularization and use in engineering.
[ invention ]
The invention aims to solve the problems in the prior art, and provides an improved split assembly type screw which can realize unilateral implementation of fastening operation, is convenient to detach and install, can be repeatedly used and improves the comprehensive mechanical property of bolt bearing.
In order to achieve the above purpose, the invention provides an improved split assembly type screw, which comprises an upper body, a lower body, a first intermediate body, a second intermediate body, a supporting body, two first anti-falling bodies, two second anti-falling bodies, a sleeve body and two anti-falling mechanisms, wherein the upper body, the lower body, the first intermediate body, the second intermediate body and the supporting body are matched to form a threaded rod of the screw, the sleeve body is sleeved on the threaded rod, the first intermediate body, the second intermediate body and the supporting body are positioned between the upper body and the lower body, the supporting body is positioned between the first intermediate body and the second intermediate body, the upper end and the lower end of the supporting body are respectively connected with the upper body and the lower body through anti-falling mechanisms, and the rear ends of the upper body and the lower body are respectively provided with the first anti-falling bodies, and the rear ends of the first intermediate body and the second intermediate body are respectively provided with the second anti-falling bodies.
Preferably, the anti-disengaging mechanism comprises two first bulges, an elastic sheet and a second bulge, wherein the arc-shaped elastic sheet is arranged on the inner sides of the two first bulges, the top end of the elastic sheet is flush with the upper end of the first bulge, the top end of the elastic sheet is provided with a second bulge, the second bulge is arc-shaped bulge, the upper body and the lower body are respectively provided with a first groove matched with the first bulge, and the upper end of the first groove is provided with a second groove matched with the second bulge.
Preferably, the front end of the support body is provided with an anti-rotation clamping part, and the anti-rotation clamping part is provided with a plug hole.
Preferably, the opposite surfaces of the support body and the first intermediate body and the second intermediate body are respectively provided with a third bulge, and the first intermediate body and the second intermediate body are provided with sliding grooves matched with the third bulges.
Preferably, the free ends of the first anti-falling body and the second anti-falling body are cambered surfaces, and the peripheral surface of the sleeve body does not exceed the free ends of the first anti-falling body and the second anti-falling body.
The invention has the beneficial effects that: according to the invention, the upper body, the lower body, the first intermediate body, the second intermediate body and the supporting body are matched to form the threaded rod of the screw, so that the rear ends of the upper body and the lower body can be provided with the first anti-falling body, the rear ends of the first intermediate body and the second intermediate body can be provided with the second anti-falling body, the contact surfaces of the first anti-falling body and the second anti-falling body and the mounting component are vertical, the contact surfaces are arranged in a circumferential manner, the contact area is large, the anti-falling body is not easy to pull out under the action of load, the fastening effect is good, the dismounting and mounting are convenient, compared with the prior art, the single-side fastening operation can be realized, the dismounting and mounting are convenient, the repeated use is realized, and the comprehensive mechanical property borne by the bolt is improved.
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 view of an improved split assembly screw according to the present invention;
FIG. 2 is a rear view of a modified split-mount screw of the present invention;
fig. 3 is a schematic view of the improved split assembly screw of the present invention after being fixedly installed.
In the figure: the novel anti-falling nut comprises a 1-upper body, a 2-lower body, a 3-first intermediate, a 4-second intermediate, a 5-supporting body, a 6-first anti-falling body, a 7-second anti-falling body, an 8-sleeve body, a 9-anti-falling mechanism, a 10-first groove, a 11-second groove, a 12-anti-rotation clamping part, a 13-plug hole, a 14-third protrusion, a 91-first protrusion, a 92-elastic sheet, a 93-second protrusion, a 15-mounting hole, a 16-fixed piece and a 17-fastening nut.
[ detailed description ] of the invention
Referring to fig. 1, 2 and 3, the improved split assembly screw of the present invention comprises an upper body 1, a lower body 2, a first intermediate body 3, a second intermediate body 4, a supporting body 5, two first anti-falling bodies 6, two second anti-falling bodies 7, a sleeve body 8 and two anti-falling mechanisms 9, wherein the upper body 1, the lower body 2, the first intermediate body 3, the second intermediate body 4 and the supporting body 5 are matched to form a threaded rod of the screw, the sleeve body 8 is sleeved on the threaded rod, the first intermediate body 3, the second intermediate body 4 and the supporting body 5 are positioned between the upper body 1 and the lower body 2, the supporting body 5 is positioned between the first intermediate body 3 and the second intermediate body 4, the upper end and the lower end of the supporting body 5 are respectively connected with the upper body 1 and the lower body 2 through the anti-falling mechanisms 9, the rear ends of the upper body 1 and the lower body 2 are respectively provided with the first anti-falling bodies 6, the rear ends of the first intermediate body 3 and the second intermediate body 4 are respectively provided with a second anti-falling body 7, the anti-falling mechanism 9 comprises two first bulges 91, an elastic sheet 92 and a second bulge 93, the inner sides of the two first bulges 91 are provided with arc-shaped elastic sheets 92, the top ends of the elastic sheets 92 are flush with the upper ends of the first bulges 91, the top ends of the elastic sheets 92 are provided with second bulges 93, the second bulges 93 are arc-shaped bulges, the upper body 1 and the lower body 2 are respectively provided with a first groove 10 matched with the first bulges 91, the upper end of the first groove 10 is provided with a second groove 11 matched with the second bulges 93, the front end of the support body 5 is provided with an anti-rotation clamping part 12, the anti-rotation clamping part 12 is provided with a plugging hole 13, the opposite surfaces of the support body 5 and the first intermediate body 3 and the second intermediate body 4 are respectively provided with a third bulge 14, the first intermediate body 3 and the second intermediate body 4 are provided with sliding grooves matched with the third protrusions 14, the free ends of the first anti-falling body 6 and the second anti-falling body 7 are cambered surfaces, and the peripheral surface of the sleeve body 8 does not exceed the free ends of the first anti-falling body 6 and the second anti-falling body 7.
The working process of the invention comprises the following steps:
in the working process of the invention, one end of the lower body 2 provided with the first anti-falling body 6 extends into the mounting hole 15 until the first anti-falling body 6 completely exceeds the inner end of the mounting hole 15, then the lower body 2 is dropped down to enable the lower body 2 to rest in the mounting hole 15, one end of the upper body 1 provided with the first anti-falling body 6 extends into the mounting hole 15 until the first anti-falling body 6 completely exceeds the inner end of the mounting hole 15, then one end of the first intermediate body 3 provided with the second anti-falling body 7 is inserted from between the upper body 1 and the lower body 2 until the second anti-falling body 7 completely exceeds the inner end of the mounting hole 15, the first intermediate body 3 is moved to be abutted against the wall of the mounting hole 15, then one end of the second intermediate body 4 provided with the second anti-falling body 7 is inserted from between the upper body 1 and the lower body 2 until the second anti-falling body 7 completely exceeds the inner end of the mounting hole 15, and moving the second intermediate body 4 to make it prop against the hole wall of the mounting hole 15, then inserting the supporting body 5 between the first intermediate body 3 and the second intermediate body 4 until the second protrusion 93 is positioned in the second groove 11, then sleeving the sleeve body 8 on the threaded rod of the screw formed by matching the upper body 1, the lower body 2, the first intermediate body 3, the second intermediate body 4 and the supporting body 5, wherein the diameter of the sleeve body 8 is equal to the diameter of the mounting hole 15, sliding the sleeve body 8 into the mounting hole 15, completing assembly, sleeving the fixed piece 16 and the fastening nut 17 on the threaded rod, fastening the fastening nut 17, realizing fixed connection, removing the fixed piece 16 and the fastening nut 17, then pulling the anti-rotation clamping part 12 to drive the supporting body 5 until the supporting body 5 is completely pulled out, then sliding the second intermediate body 4 to prop against the first intermediate body 3, thus the second intermediate body 4 can be pulled out, then slide first midbody 3 and keep away from mounting hole 15 wall until can pull out first midbody 3, then go up body 1 and just fall naturally at lower body 2 without supporting, then pull out upper body 1, lower body 2 is pulled out together with the cover body 8 at last, compares with prior art, can realize unilateral implementation fastening operation, and convenient dismantlement installation, repeatedly usable improves the comprehensive mechanical properties that the bolt born.
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 (2)
1. An improvement type components of a whole that can function independently assembled screw which characterized in that: including last body (1), lower body (2), first midbody (3), second midbody (4), supporter (5), two first anticreep bodies (6), two second anticreep bodies (7), cover body (8) and two anticreep mechanisms (9), go up body (1), lower body (2), first midbody (3), second midbody (4) and supporter (5) and cooperate the threaded rod that forms the screw, the cover is equipped with cover body (8) on the threaded rod, first midbody (3), second midbody (4) and supporter (5) are located between last body (1) and lower body (2), supporter (5) are located between first midbody (3) and second midbody (4), the upper and lower both ends of supporter (5) are connected with last body (1) and lower body (2) respectively through anticreep mechanism (9), the rear end of last body (1) and lower body (2) all is equipped with first anticreep body (6), first midbody (3) and second midbody (92) are equipped with between the second anticreep body (3) and second (3) are protruding, two (93) are equipped with between the second midbody (4), the novel anti-rotation device is characterized in that arc-shaped elastic sheets (92) are arranged on the inner sides of the two first protrusions (91), third protrusions (14) are arranged on the opposite faces of the supporting body (5) and the first intermediate body (3) and the second intermediate body (4), second protrusions (93) are arc-shaped protrusions, first grooves (10) matched with the first protrusions (91) are formed in the upper body (1) and the lower body (2), second grooves (11) matched with the second protrusions (93) are formed in the upper ends of the first grooves (10), third protrusions (14) are formed in the opposite faces of the supporting body (5) and the first intermediate body (3) and the second intermediate body (4), sliding grooves matched with the third protrusions (14) are formed in the first intermediate body (3) and the second intermediate body (4), and anti-rotation clamping portions (12) are arranged at the front ends of the supporting body (5), and plug-in holes (13) are formed in the anti-rotation clamping portions (12).
2. The improved split-mount screw as claimed in claim 1, wherein: the free ends of the first anti-falling body (6) and the second anti-falling body (7) are cambered surfaces, and the peripheral surface of the sleeve body (8) does not exceed the free ends of the first anti-falling body (6) and the second anti-falling body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710546764.4A CN107299931B (en) | 2017-07-06 | 2017-07-06 | Improved split assembly screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710546764.4A CN107299931B (en) | 2017-07-06 | 2017-07-06 | Improved split assembly screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107299931A CN107299931A (en) | 2017-10-27 |
| CN107299931B true CN107299931B (en) | 2023-07-25 |
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ID=60135285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710546764.4A Active CN107299931B (en) | 2017-07-06 | 2017-07-06 | Improved split assembly screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107299931B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020132928A1 (en) * | 2020-12-10 | 2022-06-15 | Otto Ganter Gmbh & Co. Kg Normteilefabrik | Spring-loaded indexing bolt |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2447552Y (en) * | 2000-08-02 | 2001-09-12 | 林富商 | Insert expansion screw |
| TW444823U (en) * | 2000-10-23 | 2001-07-01 | Shiny G & Amp M Associated Co | Plug-in expansion screw |
| US8444359B2 (en) * | 2010-10-04 | 2013-05-21 | The Boeing Company | Seat track and monument attach fastener |
| CN103711757B (en) * | 2013-12-13 | 2015-08-19 | 同济大学 | A kind of rotary double-nest unilateral bolt fastener |
| CN205605572U (en) * | 2016-02-25 | 2016-09-28 | 东南大学 | Simple and easy components of a whole that can function independently assembled bolt fastener |
| CN206972722U (en) * | 2017-07-06 | 2018-02-06 | 海盐县通顺标准件厂 | A kind of modified form split assembled screw |
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2017
- 2017-07-06 CN CN201710546764.4A patent/CN107299931B/en active Active
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| Publication number | Publication date |
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| CN107299931A (en) | 2017-10-27 |
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