CN111927870A - Assembly type unilateral bolt assembly - Google Patents
Assembly type unilateral bolt assembly Download PDFInfo
- Publication number
- CN111927870A CN111927870A CN202010756156.8A CN202010756156A CN111927870A CN 111927870 A CN111927870 A CN 111927870A CN 202010756156 A CN202010756156 A CN 202010756156A CN 111927870 A CN111927870 A CN 111927870A
- Authority
- CN
- China
- Prior art keywords
- hole
- eccentric wheel
- bolt assembly
- eccentric
- embedded
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 54
- 239000010959 steel Substances 0.000 claims abstract description 54
- 230000008961 swelling Effects 0.000 claims abstract description 4
- 238000010276 construction Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 13
- 230000003313 weakening effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
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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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
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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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
Abstract
The invention provides an assembled unilateral bolt assembly, which comprises a screw, a nut and a bolt seat, wherein the screw penetrates through a swelling sleeve and is screwed into a conical nut; the unilateral bolt assembly further comprises a backing plate, the backing plate comprises a gasket part and a convex eccentric wheel, the gasket part is provided with a first hole, and the first hole penetrates through the eccentric wheel; the diameter of eccentric wheel pitch arc is more than or equal to the diameter of the second hole of the first steel sheet that the eccentric wheel was embedded into works as when unilateral bolt assembly fixes first steel sheet and second steel sheet, the eccentric wheel is embedded into in the second hole of first steel sheet, makes the inner wall card of eccentric wheel and second hole die, and the restriction backing plate rotates. The eccentric wheel is clamped with the inner wall of the second hole, so that the gasket is prevented from rotating along with the bolt in the construction process, the application of common auxiliary tools in construction is reduced, the end component does not need to be fixed, the construction is prevented from being complicated, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to an assembled unilateral bolt assembly.
Background
The unilateral bolt is a bolt with the function of unilateral installation and unilateral tightening, and is constructed on the basis of not damaging a closed steel structure, so that the construction is simple and convenient, the welding amount is extremely small, and the problem of connection between steel members using closed section steel can be well solved.
The existing unilateral bolt usually stretches one end of a unilateral bolt belt into the hollow of two steel members connected according to the required quantity, the bolt is screwed outside for construction, and the nut on the inner side extrudes the clamped members, so that the steel members connected with each other are fastened.
However, in the prior art, when the unilateral bolt is screwed up at the outside, a gasket is generally required to be installed between the outside steel member and the screw rod, and in the construction process, the gasket often rotates along with the bolt, so that an auxiliary tool is often required to fix the gasket in the construction process, thereby resulting in troublesome construction and low efficiency.
Therefore, in view of the technical problems in the prior art, an assembly type unilateral bolt assembly is needed to solve the technical problem that the gasket rotates along with the bolt, and reduce the application of auxiliary tools in construction.
Disclosure of Invention
The invention aims to provide an assembled type unilateral bolt assembly, which comprises a screw rod, a nut and a bolt sleeve, wherein the screw rod penetrates through a swelling sleeve and is screwed into a conical nut;
the unilateral bolt assembly further comprises a backing plate, the backing plate comprises a gasket part and a convex eccentric wheel, the gasket part is provided with a first hole, and the first hole penetrates through the eccentric wheel;
the diameter of eccentric wheel pitch arc is more than or equal to the diameter of the second hole of the first steel sheet that the eccentric wheel was embedded into works as when unilateral bolt assembly fixes first steel sheet and second steel sheet, the eccentric wheel is embedded into in the second hole of first steel sheet, makes the inner wall card of eccentric wheel and second hole die, and the restriction backing plate rotates.
Preferably, when the diameter of the arc line of the eccentric wheel is equal to the diameter of the second hole of the first steel plate embedded in the eccentric wheel, the eccentric wheel is embedded into the second hole of the first steel plate, and the arc line of the eccentric wheel deviates from the inner wall of the second hole, so that the eccentric wheel is clamped with the inner wall of the second hole.
Preferably, the screw penetrates through the first hole, so that the cushion plate is arranged between the screw head and the expansion fracture casing.
Preferably, the expansion crack sleeve is provided with a convex block protruding upwards, the bottom of the eccentric wheel is provided with a groove corresponding to the convex block, and when the backing plate is arranged between the screw head and the expansion crack sleeve, the convex block is embedded into the groove.
Preferably, the expansion sleeve is embedded in the third hole of the second steel plate.
Preferably, the lower end of the expansion fracture sleeve is provided with at least three gaps,
and the bottom of the expansion sleeve is provided with an inclined plane, and when the screw penetrates through the expansion sleeve and is screwed into the conical nut, the conical head of the conical nut abuts against the inclined plane.
Preferably, the outer side wall of the expansion casing is recessed inwards to form a weakening groove.
According to the assembled unilateral bolt assembly provided by the invention, the base plate with the eccentric wheel is adopted, the eccentric wheel is embedded into the second hole of the outer steel plate (the near-end steel plate) under construction, so that the eccentric wheel is clamped with the inner wall of the second hole, and the rotation of the base plate is limited, therefore, in the construction process, the gasket does not rotate along with the bolt, the application of common auxiliary tools in construction is reduced, the end assembly does not need to be fixed, the construction is prevented from being complicated, and the construction efficiency is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
Further objects, features and advantages of the present invention will become apparent from the following description of embodiments of the invention, with reference to the accompanying drawings, in which:
fig. 1 is a schematic exploded view of the assembled single-side bolt assembly of the present invention.
Fig. 2 shows a schematic view of a backing plate structure of the assembly type single-side bolt assembly of the present invention.
Fig. 3 shows a schematic view of the assembled single-sided bolt assembly split sleeve of the present invention.
Figure 4 shows a top view of the split sleeve of figure 3.
Figure 5 shows a bottom view of the split sleeve of figure 3.
Fig. 6 is a schematic view illustrating a use process of the assembly type single-side bolt assembly according to the present invention.
Fig. 7 is a schematic view showing the pad plate of the present invention inserted into the second hole of the first steel plate in a misaligned state.
Detailed Description
The objects and functions of the present invention and methods for accomplishing the same will be apparent by reference to the exemplary embodiments. However, the present invention is not limited to the exemplary embodiments disclosed below; it can be implemented in different forms. The nature of the description is merely to assist those skilled in the relevant art in a comprehensive understanding of the specific details of the invention.
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the drawings, the same reference numerals denote the same or similar parts, or the same or similar steps.
The invention provides an assembled type unilateral bolt assembly, which aims to solve the technical problem that in the unilateral bolt construction process in the prior art, a gasket rotates along with a bolt, and an auxiliary tool is required to be used for fixing the gasket or an end part in construction.
According to an embodiment of the present invention, as shown in fig. 1, an assembly type unilateral bolt assembly of the present invention is shown in an exploded view, wherein the assembly type unilateral bolt assembly comprises a bolt 1, the bolt 1 comprises a screw 102 and a screw head 101, and the screw head 101 is screwed during a construction process. In some embodiments, the bolt 1 may be a regular hexagonal high strength bolt screw.
The assembled single-side bolt assembly further comprises a swelling sleeve 3, a conical nut 4 and a backing plate 2. Fig. 2 is a schematic diagram of a backing plate structure of an assembled type single-sided bolt assembly according to the present invention, wherein (a) is a cross-sectional view, and (b) is a side view a of (a), the backing plate 2 includes a spacer portion 202, and a convex eccentric 203, the spacer portion is provided with a first hole 201, the first hole 201 penetrates through the eccentric 203, the diameter of the first hole 201 is the same as the diameter of the screw 102, and the bottom of the eccentric 203 is provided with a groove 204.
Fig. 3 is a schematic diagram of an assembled single-sided bolt assembly expansion shell of the present invention, fig. 4 is a top view of the expansion shell of fig. 3, and fig. 5 is a bottom view of the expansion shell of fig. 3. The expansion sleeve 3 is a cylindrical structure, and the diameter of the inner cavity 301 of the expansion sleeve 3 is the same as that of the screw 102.
The expansion crack sleeve 3 is provided with a convex block 302 which protrudes upwards, the groove 204 at the bottom of the eccentric wheel 203 corresponds to the convex block 302, when the assembly of each component of the single-side bolt component is completed, the backing plate 2 is arranged between the screw head 101 and the expansion crack sleeve 3, and the convex block 302 is embedded into the groove 204, so that the backing plate 2 and the expansion crack sleeve 3 do not rotate relatively.
At least three gaps 303 are formed at the lower end of the expansion sleeve 3, in the embodiment, six gaps 303 are formed (as shown in fig. 5) exemplarily, the bottom of the expansion sleeve 3 is provided with an inclined plane 305, the screw 102 is screwed into the conical nut 4 after passing through the inner cavity 301 of the expansion sleeve, and the conical head of the conical nut 4 abuts against the inclined plane 305, so that the contact surface of the conical nut 4 and the expansion sleeve 3 does not rotate relatively.
According to the embodiment of the invention, in order to make the expansion crack of the lower end of the expansion crack sleeve 3 easier to realize in the use process of the one-sided bolt assembly provided by the invention, in some preferred embodiments, the outer side wall of the expansion crack sleeve 3 is recessed inwards to form the weakening groove 304, when the screw 201 is screwed into the inner ring 401 of the cone nut 4 (through the matching of the external thread of the screw and the internal thread of the inner ring), the screw 201 is continuously screwed, and the cone nut 4 presses the expansion crack sleeve 3, so that the lower end of the expansion crack sleeve 3 is folded outwards at the position of the weakening groove 304.
The following provides a detailed description of the use process of the assembly type single-side bolt assembly, and as shown in fig. 6, the assembly type single-side bolt assembly of the present invention is used in a schematic view, before the single-side bolt assembly is used, the components of the single-side bolt are assembled.
According to an embodiment of the invention, the screw 102 is threaded through the lumen 301 of the split sleeve 3 into the inner ring 401 of the cone nut 4. According to the embodiment of the invention, after the assembly of the components, namely the bolt 1, the backing plate 2, the expansion crack sleeve 3 and the cone nut 4 is completed, the screw 102 penetrates through the first hole 102, so that the backing plate 2 is arranged between the screw head 101 and the expansion crack sleeve 3.
The screw 102 of the bolt 1 passes through the first hole 201 of the backing plate 2 and the inner cavity 301 of the expansion sleeve 3, and the screw 102 is screwed into the cone nut 4. The upper surface of the gasket part 202 of the backing plate 2 is abutted against the lower surface of the screw head 101, and the projection 302 of the expansion crack sleeve 3 is embedded into the groove 204 formed on the lower surface of the eccentric 203 of the backing plate 2, so that the backing plate 2 and the expansion crack sleeve 3 are ensured not to rotate relatively.
The screw 102 of the bolt 1 is screwed into the cone nut 4, so that the conical head 402 of the cone nut 4 abuts against the inclined surface 305 at the bottom of the expanding crack sleeve 3, and the cone nut 4 and the contact surface of the expanding crack sleeve 3 do not rotate relatively.
After the assembly of the components of the unilateral bolt is completed according to the above process of the embodiment, the unilateral bolt component extends into the second hole 501 of the first steel plate 5 and the third hole 601 of the second steel plate 6 which is inconvenient to construct from the first steel plate 5 which is convenient to construct.
According to the embodiment of the present invention, the diameter of the arc of the eccentric 203 is larger than/equal to the diameter of the second hole 203 of the first steel plate 5 in which the eccentric 203 is embedded, and the eccentric 203 of the backing plate 2 is embedded in the second hole 501 of the first steel plate 5. The outer diameter of the expansion crack sleeve 3 is the same as the inner diameter of the third hole 601 of the second steel plate 6, and the expansion crack sleeve 3 is embedded into the third hole 601 of the second steel plate 6. The outer diameter of the cone nut 4 is the same as the inner diameter of the third hole 601 of the second steel plate 6, and the cone nut 4 penetrates through the third hole and is arranged on one side inconvenient to construct.
According to the embodiment of the invention, when the unilateral bolt assembly fixes the first steel plate and the second steel plate, the eccentric wheel 203 is embedded into the second hole 504 of the first steel plate 5, so that the eccentric wheel 203 is clamped with the inner wall of the second hole 203, and the base plate is limited to rotate.
Referring to fig. 7, a schematic diagram of the pad plate of the present invention being inserted into the second hole of the first steel plate in a staggered manner, in some embodiments, when the diameter of the arc of the eccentric 203 is larger than the diameter of the second hole 203 of the first steel plate 5 in which the eccentric 203 is inserted, the first steel plate 5 is installed in a staggered manner, so that the eccentric 203 is inserted into the second hole 504 of the first steel plate 5, and the eccentric 203 is guaranteed to be stuck with the inner wall of the second hole 203.
In other embodiments, when the diameter of the arc of the eccentric 203 is equal to the diameter of the second hole 203 of the first steel plate 5 in which the eccentric 203 is embedded, by mounting the first steel plate 5 in a staggered manner, the eccentric 203 is embedded in the second hole 501 of the first steel plate 5, and the arc 2031 of the eccentric 203 is deviated from the inner wall 5011 of the second hole 501, so that the eccentric 203 and the inner wall 5011 of the second hole 501 are locked, and the backing plate 2 is prevented from rotating together with the screw 1 during bolt screwing.
After installing the unilateral bolt assembly through the process, the unilateral bolt assembly passes through the first steel plate 5 and the second steel plate 6, the lower surface of the gasket part 202 of the bolt backing plate 2 is abutted against the outer side surface of the first steel plate 5, the screw head 101 is screwed through one side (the outer side surface of the first steel plate 5) which is convenient to construct, the conical nut 4 is moved along the axial direction (B direction in figure 6) of the screw 102, the lower end of the expansion crack sleeve 3 is extruded, the lower end of the expansion crack sleeve 3 is folded and expanded along the gap 303 and the weakening groove 304, the second steel plate 6 is tightly attached, and the fixation of the unilateral bolt assembly on the first steel plate 5 and the second steel plate 6 is realized.
According to the assembled unilateral bolt assembly provided by the invention, the base plate with the eccentric wheel is adopted, the eccentric wheel is embedded into the second hole of the outer steel plate (the near-end steel plate) under construction, so that the eccentric wheel is clamped with the inner wall of the second hole, and the rotation of the base plate is limited, therefore, in the construction process, the gasket does not rotate along with the bolt, the application of auxiliary tools in construction is reduced, the construction complexity is avoided, and the construction efficiency is improved.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
Claims (7)
1. An assembly type unilateral bolt assembly is characterized in that the unilateral bolt assembly comprises a screw rod, and the screw rod penetrates through a swelling sleeve and is screwed into a conical nut;
the unilateral bolt assembly further comprises a backing plate, the backing plate comprises a gasket part and a convex eccentric wheel, the gasket part is provided with a first hole, and the first hole penetrates through the eccentric wheel;
the diameter of eccentric wheel pitch arc is more than or equal to the diameter of the second hole of the first steel sheet that the eccentric wheel was embedded into works as when unilateral bolt assembly fixes first steel sheet and second steel sheet, the eccentric wheel is embedded into in the second hole of first steel sheet, makes the inner wall card of eccentric wheel and second hole die, and the restriction backing plate rotates.
2. The single-sided bolt assembly of claim 1, wherein when the diameter of the eccentric arc is equal to the diameter of the second hole of the first steel plate in which the eccentric is embedded, the eccentric is embedded in the second hole of the first steel plate, and the eccentric arc is offset from the inner wall of the second hole, so that the eccentric is locked with the inner wall of the second hole.
3. The single-sided bolt assembly of claim 1, wherein the bolt passes through the first hole, such that the washer is disposed between the bolt head and the expansion casing.
4. The single-side bolt assembly according to claim 3, wherein the expansion sleeve is provided with a projection projecting upwards, the bottom of the eccentric wheel is provided with a groove corresponding to the projection, and when the backing plate is placed between the screw head and the expansion sleeve, the projection is embedded into the groove.
5. The single-sided bolt assembly of claim 1, wherein the expansion shell is embedded within a third hole of the second steel plate.
6. The single-side bolt assembly according to claim 1, 3, 4 or 5, wherein the lower end of the expansion casing is provided with at least three gaps,
and the bottom of the expansion sleeve is provided with an inclined plane, and when the screw penetrates through the expansion sleeve and is screwed into the conical nut, the conical head of the conical nut abuts against the inclined plane.
7. The single-sided bolt assembly of claim 6, wherein the outer side wall of the expansion shell is recessed inwardly to form a weakened groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756156.8A CN111927870A (en) | 2020-07-31 | 2020-07-31 | Assembly type unilateral bolt assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010756156.8A CN111927870A (en) | 2020-07-31 | 2020-07-31 | Assembly type unilateral bolt assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111927870A true CN111927870A (en) | 2020-11-13 |
Family
ID=73315607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010756156.8A Pending CN111927870A (en) | 2020-07-31 | 2020-07-31 | Assembly type unilateral bolt assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111927870A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530950A (en) * | 2021-07-19 | 2021-10-22 | 海盐猛凌汽车配件有限公司 | Adjustable bolt |
-
2020
- 2020-07-31 CN CN202010756156.8A patent/CN111927870A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530950A (en) * | 2021-07-19 | 2021-10-22 | 海盐猛凌汽车配件有限公司 | Adjustable bolt |
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