CN213575107U - Assembly type unilateral bolt assembly - Google Patents
Assembly type unilateral bolt assembly Download PDFInfo
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- CN213575107U CN213575107U CN202021556692.5U CN202021556692U CN213575107U CN 213575107 U CN213575107 U CN 213575107U CN 202021556692 U CN202021556692 U CN 202021556692U CN 213575107 U CN213575107 U CN 213575107U
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Abstract
The utility model provides an assembly type unilateral bolt component, which comprises a screw rod, wherein the screw rod passes 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 second hole is seted up to first steel sheet, the diameter of eccentric wheel pitch arc is more than or equal to the diameter in second hole works as when unilateral bolt assembly fixes first steel sheet and second steel sheet, in the eccentric wheel embedded into the second hole of first steel sheet, make eccentric wheel and the inner wall card in second hole die, the restriction backing plate rotates. The utility model discloses the inner wall card of eccentric wheel and second hole is dead to in guaranteeing the work progress, the gasket does not rotate along with the bolt together, reduces often appurtenance's in the construction application, need not fix end subassembly, avoids the construction loaded down with trivial details, improves the efficiency of construction.
Description
Technical Field
The utility model relates to a building engineering technical field, in particular to unilateral bolt assembly of equipment type.
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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an assembly type unilateral bolt assembly, which comprises a screw rod, wherein the screw rod passes through an expansion 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 second hole is seted up to first steel sheet, the diameter of eccentric wheel pitch arc is more than or equal to the diameter in second hole works as when unilateral bolt assembly fixes first steel sheet and second steel sheet, in the eccentric wheel embedded into the second hole of first steel sheet, make eccentric wheel and the inner wall card in second hole die, 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.
The utility model provides a pair of unilateral bolt assembly of equipment type adopts a backing plate that has the eccentric wheel, imbeds the eccentric wheel in the second hole of the outside steel sheet of construction (near-end steel sheet), makes the inner wall card of eccentric wheel and second hole die, and the restriction backing plate rotates to guarantee in the work progress, the gasket does not rotate along with the bolt, reduces often appurtenance's in the construction application, need not fix end subassembly, avoids the loaded down with trivial details of being under construction, improves the efficiency of construction.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not restrictive of the invention, as claimed.
Drawings
Further objects, functions and advantages of the present invention will become apparent from the following description of embodiments of the present invention, with reference to the accompanying drawings, in which:
fig. 1 schematically shows the assembly type single-side bolt assembly of the present invention.
Fig. 2 shows the cross-sectional view of the backing plate structure of the assembled type single-side bolt assembly of the present invention.
Fig. 3 shows a side view a in fig. 2.
Fig. 4 shows the assembly type single-side bolt assembly expansion crack sleeve schematic diagram of the utility model.
Figure 5 shows a top view of the split sleeve of figure 4.
Figure 6 shows a bottom view of the split sleeve of figure 4.
Fig. 7 shows the schematic view of the assembly type single-side bolt assembly in the using process of the present invention.
Fig. 8 shows a schematic diagram of the second hole of the first steel plate with the pad plate embedded in the second hole.
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.
In order to solve among the prior art unilateral bolt work progress, the gasket rotates along with the bolt, needs to use the technical problem of appurtenance fixed shim or tip in the construction, the utility model provides an assembly type unilateral bolt assembly.
According to the utility model discloses an embodiment, as shown in FIG. 1 the utility model discloses each subassembly of the unilateral bolt subassembly of equipment type decomposes the schematic diagram, and the unilateral bolt subassembly of equipment type includes bolt 1, and bolt 1 includes screw rod 102 and screw head 101, and the work progress twists soon screw head 101. 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. As shown in fig. 2 the utility model discloses assembly type unilateral bolt assembly's backing plate structure's cross-sectional view, fig. 3 shows a side view in fig. 2, and backing plate 2 includes gasket part 202, and convex eccentric wheel 203, and first hole 201 is seted up to the gasket part, and eccentric wheel 203 is run through to first hole 201, and the diameter of first hole 201 is the same with the diameter of screw rod 102, and eccentric wheel 203 bottom has recess 204.
Fig. 4 shows a schematic view of the assembled single-sided bolt assembly expansion crack sleeve of the present invention, fig. 5 shows a top view of the expansion crack sleeve in fig. 4, and fig. 6 shows a bottom view of the expansion crack sleeve in fig. 4. 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. 6) 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 utility model discloses an embodiment, in the utility model provides an unilateral bolt assembly use, in order to be that the rising cracks the lower extreme of sleeve pipe 3 and realize rising easily and split, in some preferred embodiments, rising cracks the inside sunken weakening groove 304 that forms of sleeve pipe 3 lateral wall, twist in the inner ring 401 of conical nut 4 (the internal thread fit through the external screw thread of screw rod and inner ring) as screw rod 201, continuously twist and twist screw rod 201, conical nut 4 extrusion rising cracks sleeve pipe 3 to the lower extreme that makes rising cracks sleeve pipe 3 turns over the rising at the position that weakens groove 304 and splits.
The following is the utility model provides an assembly type unilateral bolt assembly's use gives detailed explanation, as shown in fig. 7 the utility model discloses assembly type unilateral bolt assembly use schematic diagram, before using unilateral bolt assembly, at first assembles each subassembly of unilateral bolt.
According to an embodiment of the invention, the screw 102 is screwed into the inner ring 401 of the cone nut 4 through the inner cavity 301 of the split sleeve 3. According to the utility model discloses an embodiment, each subassembly is accomplished the equipment back, and bolt 1, backing plate 2, rising split sleeve pipe 3 and conical nut 4 equipment completion back promptly, and screw rod 102 passes first hole 102, makes backing plate 2 arrange in between screw head 101 and the rising split sleeve pipe 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 utility model discloses a diameter of eccentric 203 pitch arc is more than/equal to the diameter of eccentric 203 second hole 501, and eccentric 203 of backing plate 2 is embedded into the second hole 501 of first steel sheet 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 utility model discloses an embodiment, when unilateral bolt assembly fixed first steel sheet and second steel sheet, eccentric wheel 203 is embedded into the second hole 504 of first steel sheet 5, makes eccentric wheel 203 die with the inner wall card of second hole 203, and the restriction backing plate rotates.
As shown in fig. 8, the utility model discloses the schematic diagram of the second hole that the backing plate dislocation was embedded into first steel sheet, in some embodiments, when the diameter of eccentric wheel 203 pitch arc was greater than the diameter of the second hole 203 of the first steel sheet 5 that eccentric wheel 203 was embedded into, through the first steel sheet 5 of dislocation installation to realize that eccentric wheel 203 is embedded into the second hole 504 of first steel sheet 5, guarantee that eccentric wheel 203 and the inner wall card of second hole 203 are dead.
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 7) 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.
The utility model provides a pair of unilateral bolt assembly of equipment type adopts a backing plate that has the eccentric wheel, imbeds the eccentric wheel in the second hole of the outside steel sheet of construction (near-end steel sheet), makes the inner wall card of eccentric wheel and second hole die, and the restriction backing plate rotates to guarantee in the work progress, the gasket does not rotate along with the bolt together, reduces often appurtenance's in the construction application, avoids the loaded down with trivial details of being under construction, improves the efficiency of construction.
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 second hole is seted up to first steel sheet, the diameter of eccentric wheel pitch arc is more than or equal to the diameter in second hole works as when unilateral bolt assembly fixes first steel sheet and second steel sheet, in the eccentric wheel embedded into the second hole of first steel sheet, make eccentric wheel and the inner wall card in second hole die, 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 |
|---|---|---|---|
| CN202021556692.5U CN213575107U (en) | 2020-07-31 | 2020-07-31 | Assembly type unilateral bolt assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021556692.5U CN213575107U (en) | 2020-07-31 | 2020-07-31 | Assembly type unilateral bolt assembly |
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| Publication Number | Publication Date |
|---|---|
| CN213575107U true CN213575107U (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021556692.5U Active CN213575107U (en) | 2020-07-31 | 2020-07-31 | Assembly type unilateral bolt assembly |
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| CN (1) | CN213575107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927870A (en) * | 2020-07-31 | 2020-11-13 | 国住人居工程顾问有限公司 | Assembly type unilateral bolt assembly |
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2020
- 2020-07-31 CN CN202021556692.5U patent/CN213575107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927870A (en) * | 2020-07-31 | 2020-11-13 | 国住人居工程顾问有限公司 | Assembly type unilateral bolt assembly |
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