CN218718068U - Anti-rotation fastening screw fastener - Google Patents
Anti-rotation fastening screw fastener Download PDFInfo
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- CN218718068U CN218718068U CN202222805245.4U CN202222805245U CN218718068U CN 218718068 U CN218718068 U CN 218718068U CN 202222805245 U CN202222805245 U CN 202222805245U CN 218718068 U CN218718068 U CN 218718068U
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- fastening
- screw
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- fastening screw
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Abstract
The utility model provides a can prevent pivoted fastening screw firmware, includes fastening screw and endotheca spare, fastening screw's screw head with be provided with fastening portion between the screw portion, the outer peripheral surface of fastening portion has a plurality of fastening grooves around its circumference and axial setting, the endotheca spare has the sleeve of rim plate for the tip, sleeve inside is hollow, the sleeve registrates the outside at fastening portion, and the rim plate supports to press and is located the surface side with fastening portion junction at the screw head, sleeve its inner peripheral surface has a plurality of fastening sand grips around its inner circumference and axial setting, fastening sand grip is fixed with the cooperation of fastening groove. The utility model discloses, use in some special use occasions very conveniently, like the screw fixation of the external equipment support of high altitude construction installation or article in the narrow and small airtight space in space, be suitable for the fixed connection who has vibrations occasion connecting piece, fastening screw firmware is under the occasion of vibrations, and fastening screw does not have and makes fastening screw and nut take off the spiral shell gradually and drop because of vibrations.
Description
Technical Field
The utility model relates to a technical field of bolt especially relates to a can prevent pivoted fastening screw firmware.
Background
At present, in the locking process of a bolt and in order to prevent the bolt from rotating in the process of screwing the nut into the thread, the bolt is clamped and fixed by the screw head of the bolt through a wrench, the nut is clamped by the other wrench at the other end, and the nut is rotated to enable the nut to be screwed into the thread of the bolt, so that the purpose of fastening between an object and the object is achieved. Therefore, in the process of screwing the nut into a fastening object, the bolt locking process is used for installing the external equipment support in the high-altitude operation in some special use occasions due to the problems, one hand is needed to grasp the safety rope, the other hand is needed to pull the nut to lock the bolt, the bolt rotates along with the bolt in the rotating process, one hand is difficult to safely and quickly screw the nut into the thread of the bolt to lock the bolt, and the bolt and the screw are fastened in a narrow and small closed space due to the defects.
Therefore, in view of the defects of the existing bolt, the present designer has a deep conception aiming at the many defects and inconveniences caused by the imperfect structural design of the fastening screw, and actively researches, improves and tries to develop and design the present invention.
SUMMERY OF THE UTILITY MODEL
Therefore, an object of the utility model is to provide a can prevent rotatory fastening screw firmware, aim at solve current bolt because the bolt follows the nut rotation and cause the inconvenient problem of lock screw at the in-process of nut screw in locking article.
The utility model discloses a following scheme realizes: the utility model provides a can prevent pivoted fastening screw firmware, includes fastening screw and internal member, fastening screw includes screw head and screw thread portion, the screw head with be provided with fastening portion between the screw thread portion, the outer peripheral surface of fastening portion has a plurality of fastening grooves around its circumference and axial setting, the internal member has the sleeve of saucer for the tip, sleeve inside is hollow, the sleeve registrates the outside of fastening portion, and the saucer supports and press the screw head be located with the surface side of fastening portion junction, the internal peripheral surface of sleeve has a plurality of fastening sand grips around its internal circumference and axial setting, the fastening sand grip with fastening groove cooperation is fixed. The fastening screw fastener is sleeved and fixed in the screw hole between fastening objects, and when the nut is screwed in the threaded part of the fastening screw, the fastening convex strip is matched and fixed with the fastening groove, so that the rotation of the nut cannot drive the rotation of the fastening screw, and the fastening screw is not required to be fixed again by an independent wrench or other tools.
Furthermore, the inner sleeve is provided with a rim column at the outer edge side of the pad disc, the rim column and the pad disc form an annular groove, a gasket is fixed in the annular groove, and the thickness of the gasket is larger than the depth of the annular groove.
Further, a filling groove is arranged between the gasket and the sleeve.
Further, the gasket is a rubber ring.
Furthermore, an outer sleeve part is sleeved on the outer side of the sleeve of the inner sleeve part, the outer sleeve part is a pipe fitting with two ends having different diameters, and the small-diameter end of the outer sleeve part is connected to the side, away from the steering side of the cushion pan, of the sleeve. After the fastening screw firmware is through connecting the endotheca, the outside of fastening screw firmware forms the transition of a diameter by little grow gradually, the fastening screw firmware passes through the screw hole of outer sleeve registrate between the fastening article, the fastening screw firmware can closely cooperate in the screw hole by the in-process of little grow gradually through its diameter, thereby, the fastening screw firmware passes through the screw hole of the fixed connection between the fastening article of outer sleeve, guaranteed the fastening screw firmware at the screw thread in-process of nut screw in fastening screw, the fastening screw can not rotate.
Furthermore, the material of the outer sleeve piece is soft copper.
Furthermore, the material of the outer sleeve member is PE.
The utility model discloses, have plastic outer sleeve spare through the setting, outer sleeve spare registrates the screw hole back between the fastening article, at the screw in fastening screw's of nut in-process, through the extrusion of nut and screw hole, plastic outer sleeve spare is like soft copper or PE plastics after the extrusion, the outer sleeve spare of unnecessary thickness produces the screw hole of warping and extruding between the fastening article, make fastening screw can be inseparable connect in the screw hole between the fastening article, even, the outer sleeve spare of the unnecessary thickness of part can extrude to be provided with between packing ring and the sleeve and fill the inslot when the extrusion, the setting in filling the groove, the purpose just lies in carrying out the headspace for the unnecessary part of extrusion of outer sleeve spare.
The utility model discloses a set up the outer cover spare of the pipe fitting of the different diameters in both ends for fastening screw firmware can closely registrate in the screw hole between the fastening article through the physics direction through the outside that gradually becomes big, simultaneously, and the fastening sand grip that utilizes on the internal member is fixed with fastening screw's fastening groove cooperation, has guaranteed fastening screw firmware at locking screw's in-process, and fastening screw can not rotate along with the screw in rotation of nut.
The utility model discloses, the fastening screw firmware is through above-mentioned setting, can use in some special use occasions very conveniently, like the screw fixation of the external equipment support of high altitude construction installation or article in the narrow and small airtight space in space, even, the fastening screw firmware passes through closely fixed of outer cover, it can not rotate to have guaranteed that the fastening screw can not rotate, therefore, the fastening screw firmware also is suitable for the fixed connection who has vibrations occasion connecting piece, the fastening screw firmware is under the occasion of vibrations, the fastening screw does not have and makes fastening screw and nut take off the spiral shell and drop gradually because of vibrations.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of the present invention.
Fig. 2 is a schematic view of the three-dimensional exploded structure of the present invention.
Fig. 3 is a front view of fig. 1.
Fig. 4 isbase:Sub>A schematic sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 3.
Fig. 5 is a partially enlarged view of a in fig. 1.
Fig. 6 is a schematic cross-sectional view of the outer jacket member.
Wherein: 1-fastening screw, 11-screw head, 12-fastening part, 13-screw part, 14-fastening groove, 2-internal sleeve piece, 21-pad, 22-sleeve, 23-edge column, 24-fastening convex strip, 3-gasket, 4-external sleeve piece and 5-filling groove.
Detailed Description
The following provides a brief description of embodiments of the present invention with reference to the accompanying drawings.
A kind of fastening screw firmware that can prevent rotating, refer to fig. 1, fig. 2, including fastening screw 1, inner external member 2, the packing ring 3 and external sleeve 4, wherein the fastening screw 1 includes screw head 11 and screw thread part 13, there are fastening portions 12 between screw head 11 and screw thread part 13, there are multiple fastening grooves 14 set up axially around its circumference on the outer peripheral surface of the fastening portion 12, the inner external member 2 is the sleeve 22 with the pad 21 on the end, the inside of the sleeve 22 sets up the hollow, the sleeve 22 is fitted in the outside of the fastening portion 12 through the hollow, and the pad 21 is pressed against the surface side that the screw head 11 locates at and the junction of the fastening portion 12, there are multiple fastening convex strips 24 set up axially around its inner circumference on the inner peripheral surface of the sleeve 22.
Referring to fig. 5, after the fastening protrusion 24 is fitted and fixed to the fastening groove 14 and the fastening protrusion 24 is fitted and fixed to the fastening groove 14, the rotation of the fastening screw 1 is restricted by the fastening protrusion 24.
The outer edge side of the cushion disc 21 of the inner sleeve member 2 is provided with the edge column 23, the edge column 23 and the cushion disc 21 form an annular groove, the annular groove is fixed with the gasket 3, the thickness of the gasket 3 is larger than the depth of the annular groove, the gasket 3 can protrude out of the annular groove, the edge column 23 is arranged, the cushion disc 21 of the inner sleeve member 2 can well fix the gasket 3, of course, in order to further fix the gasket 3 on the gasket 3, the gasket 3 can also be fixedly connected in a gluing mode, the gasket 3 can be a rubber ring in common use, and the cushion disc 21 and the screw head 11 of the fastening screw 1 can be well connected with an object needing to be fastened to have better contact.
The outer sleeve member 4 is sleeved outside the inner sleeve member 2, referring to fig. 6, the outer sleeve member 4 is a pipe member with two ends having different diameters, the length L1 of the large diameter end of the outer sleeve member 4 is larger than the length L2 of the small diameter end of the outer sleeve member 4, the small diameter end of the outer sleeve member 4 is connected to the sleeve 22 and installed in the direction away from the pad 21, referring to fig. 4 after installation, the outer side of the fastening screw member forms a transition from small to large in diameter, that is, the outer sleeve member 4 on the outer side of the fastening portion 12 gradually forms a small to large outer side in the direction from the thread portion 13 to the thread head 11, and the fastening screw member can be tightly matched in the screw hole in the process that the diameter of the fastening screw member is gradually increased from small to large, so that the fastening screw is fixedly connected in the screw hole between the fastening objects through the outer sleeve member 4, and it is ensured that the fastening screw 1 cannot rotate in the process that the nut is screwed into the thread of the fastening screw 1.
Referring to fig. 4, a filling groove 5 is provided between the washer 3 and the sleeve 22, the filling groove 5 is provided to reserve a space for an excess portion of the outer sleeve 4 during extrusion, the outer sleeve 4 is made of a material with good plasticity, such as soft copper or PE plastic, after the outer sleeve 4 is fitted in the screw hole between the fastening objects, the outer sleeve 4 with excess thickness is deformed and extruded in the screw hole between the fastening objects during the process of screwing the nut into the fastening screw 1, and even after the outer sleeve 4 with excess thickness is extruded in the filling groove 5 provided between the washer 3 and the sleeve 22 during extrusion, the fastening screw can be fixedly connected with the screw hole between the fastening objects, so that the fastening screw 1 does not rotate during screwing the nut, and the fastening screw 1 does not gradually fall off from the nut due to vibration of the fastening screw 1 and the nut.
The utility model relates to a can prevent fastening screw firmware of pivoted, fastening screw 1 and internal member 2 and external sleeve member 4 registrate the screw hole of fastening article, fastening screw 1's screw head 11, packing ring 3 and internal member 2's pad 21 supports presses on one of them screw hole of fastening article is surperficial, utilize external sleeve member 4's setting, preliminary registrate compresses tightly, thereby make at nut locking in-process, fastening screw 1 can not rotate, make things convenient for the screw in of nut, at the in-process of nut screw in locking fastening screw 1 gradually, because the extrusion, external sleeve member 4 produces deformation under the extrusion, the external sleeve member 4 of deformation can fill in the screw hole and further improved fastening screw 1's zonulae occludens effect, of course, the unnecessary part of external sleeve member 1 of deformation can be pushed and can not push up in packing ring 3 or pad 21 in filling groove 5, the full connection of packing ring 3 and fastening article has been influenced.
The above embodiments only express the embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (7)
1. The utility model provides a can prevent pivoted fastening screw firmware, includes fastening screw and internal member, fastening screw includes screw head and screw thread portion, its characterized in that: the screw head with be provided with fastening portion between the screw portion, the outer peripheral surface of fastening portion has a plurality of fastening grooves around its circumference and axial setting, the endotheca spare has the sleeve of rim plate for the tip, sleeve inside is hollow, the sleeve registrates the outside of fastening portion, and the rim plate supports presses the screw head be located with the surface side of fastening portion junction, sleeve its inner peripheral surface has a plurality of fastening sand grips around its inner circumference and axial setting, the fastening sand grip with the cooperation of fastening groove is fixed.
2. An anti-rotation fastening screw as defined in claim 1, wherein: the inner sleeve is characterized in that a rim column is arranged on the outer edge side of the pad disc of the inner sleeve, the rim column and the pad disc form an annular groove, a gasket is fixed in the annular groove, and the thickness of the gasket is larger than the depth of the annular groove.
3. An anti-rotation fastening screw as defined in claim 2, wherein: a filling groove is arranged between the gasket and the sleeve.
4. An anti-rotation fastening screw as defined in claim 2, wherein: the gasket is a rubber ring.
5. An anti-rotation fastening screw as defined in claim 1, wherein: the outer sleeve part is sleeved on the outer side of the sleeve of the inner sleeve part, the outer sleeve part is a pipe fitting with two ends having different diameters, and the small-diameter end of the outer sleeve part is connected to the side, away from the steering wheel, of the sleeve.
6. An anti-rotation fastening screw as defined in claim 5, wherein: the outer sleeve piece is made of soft copper.
7. An anti-rotation fastening screw as defined in claim 5, wherein: the outer sleeve piece is made of PE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805245.4U CN218718068U (en) | 2022-10-25 | 2022-10-25 | Anti-rotation fastening screw fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222805245.4U CN218718068U (en) | 2022-10-25 | 2022-10-25 | Anti-rotation fastening screw fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218718068U true CN218718068U (en) | 2023-03-24 |
Family
ID=85589454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222805245.4U Active CN218718068U (en) | 2022-10-25 | 2022-10-25 | Anti-rotation fastening screw fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218718068U (en) |
-
2022
- 2022-10-25 CN CN202222805245.4U patent/CN218718068U/en active Active
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