CN220159077U - Safe anti-falling rotary hanging ring - Google Patents
Safe anti-falling rotary hanging ring Download PDFInfo
- Publication number
- CN220159077U CN220159077U CN202321497151.3U CN202321497151U CN220159077U CN 220159077 U CN220159077 U CN 220159077U CN 202321497151 U CN202321497151 U CN 202321497151U CN 220159077 U CN220159077 U CN 220159077U
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- bolt
- hole
- ring
- lifting
- bolt head
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- 238000005266 casting Methods 0.000 claims description 6
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model provides a safe anti-falling rotary lifting ring, which comprises a lifting ring and a bolt, wherein the lower end of the bolt penetrates through the lower part of the lifting ring and is rotationally connected with the lifting ring, an annular groove is formed in the inner side below the lifting ring, a clamping ring is placed in the annular groove, a clamping ring groove matched with the clamping ring is formed in the upper part of the bolt, a pattern surrounded by a gap between the clamping ring groove and the annular groove is circular, and the clamping ring penetrates through a circular gap between the clamping ring groove and the annular groove to fix the lifting ring and the bolt. The bolts are clamped into the lower parts of the pull rings through the clamping rings, so that damaged bolts can be replaced at any time, and the production cost is saved.
Description
Technical Field
The utility model relates to the technical field of mechanical connectors, in particular to a safe anti-falling rotary hanging ring.
Background
Lifting loops are an important component of overhead operations for securing a rope to a wall or other sturdy structure so that the rope resists the force of a fall. The existing anti-falling anchor point is generally composed of a pull ring and a bolt, the bolt is rotationally connected below the pull ring and is not detachable, the bolt is easy to damage when being used for a long time, the whole anchor point needs to be replaced, if the anchor point is forcedly taken out, the whole main body can be damaged, and the use inconvenience and the cost are improved.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a safe anti-falling rotary hanging ring which is used for solving the technical problems in the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is that the safe anti-falling rotary lifting ring comprises a lifting ring and a bolt, wherein the lower end of the bolt penetrates through the lower part of the lifting ring and is rotationally connected with the lifting ring, an annular groove is formed in the inner side of the lower part of the lifting ring, a clamping ring is placed in the annular groove, a clamping ring groove matched with the clamping ring is formed in the upper part of the bolt, a pattern surrounded by a gap between the clamping ring groove and the annular groove is circular, and the clamping ring penetrates through a circular gap between the clamping ring groove and the annular groove to fix the lifting ring and the bolt.
The pull ring comprises a lifting part and a connecting part, wherein the connecting part is connected below the lifting part, the lifting part and the connecting part are of an integral structure formed by casting once, the section of the lifting part in the vertical direction is shaped, a through hole is formed in the connecting part, the axial direction of the through hole and the section of the lifting part in the vertical direction are on the same horizontal plane, and the lower part of the bolt penetrates through the through hole and is connected with the pull ring in a rotating mode.
The through hole comprises an upper through hole and a lower through hole, the upper through hole is connected with the lower through hole, the aperture of the upper through hole is larger than that of the lower through hole, the joint of the upper through hole and the lower through hole is gradually narrowed, the upper through hole is arranged at the upper end of the connecting part, the lower through hole is arranged at the lower end of the connecting part, the annular groove is arranged in the upper through hole, and the pattern surrounded by the annular groove is circular.
The bolt comprises a bolt head, a bolt body and a bolt column, wherein the bolt head is connected with the bolt column through the bolt body, the bolt is of an integral structure formed by casting once, the projections of the bolt head, the bolt body and the bolt column in the vertical direction are round, the projections of the bolt head, the bolt body and the bolt column in the vertical direction are gradually reduced, the diameter of the bolt head is larger than the aperture of the lower through hole and smaller than the aperture of the upper through hole, the connection part of the top of the bolt body and the bolt head is gradually widened, the diameter of the bottom of the bolt body is smaller than the aperture of the lower through hole, a clamping ring groove is formed in the side end of the bolt head, a figure surrounded by the clamping ring groove is round, and a hexagonal screw hole is formed in the center of the top of the bolt head.
The snap ring is a hollow circular ring with an opening, the snap ring has elasticity, the inner diameter of the snap ring in an initial state is smaller than the diameter of the cross section of the bolt head, the outer diameter of the snap ring is larger than the diameter of the upper through hole, and the snap ring is made of stainless steel or other high-temperature-resistant and corrosion-resistant materials.
The safe anti-falling rotary hanging ring obtained through the technical scheme has the beneficial effects that:
the bolts are clamped into the lower parts of the pull rings through the clamping rings, so that damaged bolts can be replaced at any time, and the production cost is saved.
The bolts are not in direct contact with the pull rings, but are connected through the clamping rings, so that stress concentration is reduced and integral strength is improved during use.
Drawings
FIG. 1 is a schematic view of a safety anti-fall rotary sling according to the present utility model;
FIG. 2 is a schematic diagram of an explosion structure of the safety anti-falling rotary lifting ring;
FIG. 3 is a schematic view of the construction of the tab of the present utility model;
FIG. 4 is a schematic view of the cross-sectional view taken along the direction A-A of FIG. 1 in accordance with the present utility model;
fig. 5 is a schematic view of the structure of the bolt according to the present utility model.
In the figure, 1, a pull ring; 2. a bolt; 3. a clasp; 11. a hoisting part; 12. a connection part; 121. a through hole; 121a, upper through holes; 121b, lower through holes; 122. an annular groove; 21. a bolt head; 22. a bolt body; 23. a peg; 211. and a snap ring groove.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-5, a safe anti-falling rotary hanging ring comprises a pull ring 1 and a bolt 2, wherein the lower end of the bolt 2 penetrates through the lower part of the pull ring 1 and is rotationally connected with the pull ring 1, an annular groove 122 is formed in the inner side of the lower part of the pull ring 1, a clamping ring 3 is placed in the annular groove 122, a clamping ring groove 21a which is matched with the clamping ring 3 is formed in the upper part of the bolt 2, a pattern surrounded by a gap between the clamping ring groove 211 and the annular groove 122 is circular, and the clamping ring 3 penetrates through a circular gap between the clamping ring groove 211 and the annular groove 122 to fix the pull ring 1 and the bolt 2.
The pull ring 1 comprises a hoisting part 11 and a connecting part 12, the connecting part 12 is connected below the hoisting part 11, the hoisting part 11 and the connecting part 12 are of an integral structure formed by casting once, the section of the hoisting part 11 in the vertical direction is n-shaped, the hoisting part 11 is used for connecting hoisting pieces such as ropes, the connecting part 12 is provided with a through hole 121, the axial direction of the through hole 121 and the section of the hoisting part 11 in the vertical direction are on the same horizontal plane, and the lower part of the bolt 2 penetrates through the through hole 121 and is connected with the pull ring 1 in a rotating way.
The through holes 121 comprise an upper through hole 121a and a lower through hole 121b, the upper through hole 121a is connected with the lower through hole 121b, the aperture of the upper through hole 121a is larger than that of the lower through hole 121b, the connection part of the upper through hole 121a and the lower through hole 121b is gradually narrowed, the upper through hole 121a is arranged at the upper end of the connecting part 12, the lower through hole 121b is arranged at the lower end of the connecting part 12, the annular groove 122 is arranged in the upper through hole 121a, and the pattern surrounded by the annular groove 122 is circular.
The bolt 2 comprises a bolt head 21, a bolt body 22 and a bolt 23, the bolt head 21 is connected with the bolt 23 through the bolt body 22, the bolt 2 is of a one-step casting integrated structure, the projections of the bolt head 21, the bolt body 22 and the bolt 23 in the vertical direction are round, the projections of the bolt head 21, the bolt body 22 and the bolt 23 in the vertical direction are gradually reduced, the diameter of the bolt head 21 is larger than the aperture of the lower through hole 121b and smaller than the aperture of the upper through hole 121a, the bolt head 21 is clamped into the upper through hole 121a, the joint of the top of the bolt body 22 and the bolt head 21 is gradually widened, the size of the clamp ring 3 is gradually adjusted when the top of the bolt body 22 passes through the clamp ring 3, the diameter of the bottom of the bolt body 22 is smaller than the aperture of the lower through hole 121b, the bottom of the bolt body 22 passes through the lower through hole 121b, the annular groove is arranged at the side end of the bolt head 21, the annular groove 211 is round, the circle center of the six-shaped corner is arranged at the top of the bolt head 21, and the six-shaped center of the bolt head 21 is provided with a screw hole 23 which is screwed into a solid structure or other screw threads requiring to be screwed into the wall 2.
The snap ring 3 is a hollow circular ring with an opening, the snap ring 3 has elasticity, when the opening of the snap ring 3 is enlarged or reduced by external force, the diameter of the circular ring enclosed by the snap ring 3 is also enlarged or reduced, the inner diameter of the snap ring 3 in an initial state is smaller than the diameter of the cross section of the bolt head 21, and the outer diameter is larger than the diameter of the upper through hole 121a, so that the snap ring is not easy to fall out from the through hole 121 when placed in the annular groove 122, and meanwhile, the bolt 2 enters a connecting part to clamp the bolt head 21, and the snap ring 3 is made of stainless steel or other high-temperature-resistant and corrosion-resistant materials.
During installation, the snap ring 3 is placed on the annular groove 122, the stud 23 below the bolt 2 passes through the through hole 121, the lower part of the bolt head 21 is contacted with the snap ring 3, the opening of the snap ring 3 is enlarged, the inner diameter of the snap ring 3 is enlarged, the screw continuously downwards enables the snap ring 3 to pass through the snap ring groove 211, and the snap ring 3 is reduced due to the fact that the diameter of the snap ring groove 211 is smaller than the diameters of other positions of the bolt head 21, the snap ring 3 is clamped into a gap between the snap ring groove 211 and the annular groove 122 and the bolt 2 is fixed with the pull ring 1.
When the bolt 2 is damaged and needs to be taken out, the bolt 2 is jacked from the lower part, the opening of the clamping ring 3 is enlarged until the clamping ring 3 is extruded out of the clamping ring groove 211 to be contacted with the side wall of the bolt head 21 below, the bolt 2 is jacked up continuously, the bolt 2 is separated from the pull ring 1, a new bolt 2 is replaced, and the installation steps are repeated.
The above technical solution only represents the preferred technical solution of the present utility model, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present utility model, and the technical solution falls within the scope of the present utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Claims (5)
1. The utility model provides a rotatory rings of safe falling protection, includes pull ring (1), bolt (2) lower extreme passes pull ring (1) lower part and with pull ring (1) rotate and are connected, a serial communication port, pull ring (1) below inboard is provided with ring channel (122), snap ring (3) have been placed in ring channel (122), bolt (2) upper portion be provided with snap ring groove (211) that snap ring (3) agrees mutually, snap ring groove (211) with the pattern that the space between ring channel (122) encloses is circular, snap ring (3) pass the circular space between snap ring groove (211) and ring channel (122) will pull ring (1) with bolt (2) are fixed.
2. The anti-falling rotary lifting ring according to claim 1, wherein the lifting ring (1) comprises a lifting part (11) and a connecting part (12), the connecting part (12) is connected below the lifting part (11), the lifting part (11) and the connecting part (12) are of an integral structure formed by casting once, the section of the lifting part (11) in the vertical direction is n-shaped, the connecting part (12) is provided with a through hole (121), the axial direction of the through hole (121) and the section of the lifting part (11) in the vertical direction are on the same horizontal plane, and the lower part of the bolt (2) penetrates through the through hole (121) to be rotationally connected with the lifting ring (1).
3. The anti-falling rotary lifting ring according to claim 2, wherein the through hole (121) comprises an upper through hole (121 a) and a lower through hole (121 b), the upper through hole (121 a) is connected with the lower through hole (121 b), the aperture of the upper through hole (121 a) is larger than that of the lower through hole (121 b), the connection part of the upper through hole (121 a) and the lower through hole (121 b) is gradually narrowed, the upper through hole (121 a) is arranged at the upper end of the connecting part (12), the lower through hole (121 b) is arranged at the lower end of the connecting part (12), the annular groove (122) is arranged in the upper through hole (121 a), and the pattern enclosed by the annular groove (122) is circular.
4. The safety anti-falling rotary lifting ring according to claim 3, wherein the bolt (2) comprises a bolt head (21), a bolt body (22) and a bolt (23), the bolt head (21) is connected with the bolt (23) through the bolt body (22), the bolt (2) is of a one-time casting integrated structure, the projections of the bolt head (21), the bolt body (22) and the bolt (23) in the vertical direction are circular, the projections of the bolt head (21), the bolt body (22) and the bolt (23) in the vertical direction are gradually reduced, the diameter of the bolt head (21) is larger than the aperture of the lower through hole (121 b) and smaller than the aperture of the upper through hole (121 a), the joint of the top of the bolt body (22) and the bolt head (21) is gradually widened, the diameter of the bottom of the bolt body (22) is smaller than the aperture of the lower through hole (121 b), the clamping ring groove (211) is arranged at the side end of the bolt head (21), the clamping ring groove (211) is formed at the periphery of the top of the bolt head (21), and the ring groove (23) is arranged at the periphery of the circle center of the circle.
5. The safety anti-falling rotary lifting ring according to claim 4, wherein the clamping ring (3) is a hollow ring with an opening, the clamping ring (3) has elasticity, the inner diameter of the clamping ring (3) in an initial state is smaller than the diameter of the cross section of the bolt head (21), the outer diameter is larger than the diameter of the upper through hole (121 a), and the clamping ring (3) is made of a high-temperature-resistant and corrosion-resistant material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321497151.3U CN220159077U (en) | 2023-06-13 | 2023-06-13 | Safe anti-falling rotary hanging ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321497151.3U CN220159077U (en) | 2023-06-13 | 2023-06-13 | Safe anti-falling rotary hanging ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220159077U true CN220159077U (en) | 2023-12-12 |
Family
ID=89062923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321497151.3U Active CN220159077U (en) | 2023-06-13 | 2023-06-13 | Safe anti-falling rotary hanging ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220159077U (en) |
-
2023
- 2023-06-13 CN CN202321497151.3U patent/CN220159077U/en active Active
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