CN219865796U - Ring groove rivet connection pair capable of being pre-tightened for multiple times - Google Patents
Ring groove rivet connection pair capable of being pre-tightened for multiple times Download PDFInfo
- Publication number
- CN219865796U CN219865796U CN202320940335.6U CN202320940335U CN219865796U CN 219865796 U CN219865796 U CN 219865796U CN 202320940335 U CN202320940335 U CN 202320940335U CN 219865796 U CN219865796 U CN 219865796U
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- Prior art keywords
- rivet
- riveting
- tightening
- rod
- nut
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- 241001079814 Symphyotrichum pilosum Species 0.000 claims description 4
- 235000004224 Typha angustifolia Nutrition 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 230000002452 interceptive effect Effects 0.000 abstract description 2
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Insertion Pins And Rivets (AREA)
- Connection Of Plates (AREA)
Abstract
The utility model discloses a ring groove rivet connection pair capable of being pre-tightened for multiple times. The connecting pair comprises a rivet, a lantern ring, a pre-tightening nut and a riveting gun head for riveting; the connecting pair adopts a full thread structure, so that the riveting range of the connecting pair is enlarged, the pre-tightening function is increased in the original structure, the pre-tightening rivet is directly penetrated into the connecting piece during construction, the pre-tightening nut is screwed in after penetrating into the lantern ring, the torque is applied, the initial pre-tightening force is generated, the adjustment can be carried out according to the actual working condition, and the accurate positioning of the component is realized through multiple pre-tightening. The structure of the utility model omits the step of replacing rivets after pre-tightening by bolts, improves the installation efficiency, avoids the problems of dislocation and the like of components such as angle steel and the like in the installation process, effectively eliminates the gaps of the components and ensures the accurate positioning of the components; the tail part of the connecting pair rivet is connected by internal threads, so that the fastening connection of a riveting tool and the rivet is ensured, and the phenomenon of tail tooth pull-out is avoided; the end faces of the riveted rivets are flush, so that the rivet is attractive and avoids the overlong tail teeth from interfering with the assembly of the workpiece.
Description
Technical Field
The utility model belongs to the technical field of riveting, and particularly relates to a ring groove rivet connection pair capable of being pre-tightened for multiple times for fastening and installing an iron tower component, belonging to the riveting class (B21J) and the fastening class (F16B) of metal machining.
Background
The iron tower, especially the electric power iron tower is formed by the mode fastening connection of angle steel, channel steel in a welding mode, a bolting mode and the like, wherein bolts in the bolting mode are loose and are lost more, hidden danger is brought to the safe operation of the iron tower, and the maintenance time and cost of the iron tower are increased. The ring groove rivet has the characteristics of high reliability, good anti-loosening performance and the like, and can well solve the pain problem. The existing rivet connection pair does not have a pre-tightening function generally, in the installation process, bolts are needed to be used for pre-tightening and leveling in advance, after the leveling work is completed, the bolts are all removed, and finally, ring groove rivets are penetrated into the ring groove rivets for riveting. The existing riveting construction process is complex, the installation efficiency is seriously affected, and the installation cost is increased.
Disclosure of Invention
The utility model discloses a ring groove rivet connection pair capable of being pre-tightened for multiple times according to the defects of the prior art. The utility model aims to solve the problem of providing a matched ring groove rivet connection auxiliary assembly which can realize the multi-time pretightening adjustment of a connecting piece and the riveting fastening of an optimal combination state.
The utility model is realized by the following technical scheme:
the utility model provides a but annular rivet connection pair of multiple pretension, includes rivet and lantern ring, its characterized in that: the riveting gun head is used for riveting the pre-tightening nut;
the rivet comprises a rail and a shank; the screw thread is arranged on the whole surface of the screw rod, a connecting end groove is formed in the inner side of the tail end of the screw rod, and a connecting internal screw thread is formed in the wall of the end groove;
the collar comprises a deformation zone and a flange; the other end of the inner wall of the lantern ring, which is opposite to the flange, is provided with a latch matched with the screw thread of the rivet rod and used for screwing in the rivet rod;
the pre-tightening nut is an external hexagonal nut, the internal thread of the nut is matched with the surface thread of the nail rod, and the maximum diagonal length of the external hexagonal nut is smaller than the outer diameter of the deformation area of the lantern ring;
the riveting gun head comprises a connecting rod and an anvil which are arranged in a riveting driving tool in a driving mode, the connecting rod and the anvil are arranged in a coaxial mode, and the connecting rod is located in the center, and the front end of the connecting rod is provided with external rivet threads matched with internal rivet threads connected with the inner side grooves of the tail end of the nail rod.
The surface of the inner wall ring of the flange is provided with convex points. The rivet joint is of an outer hexagonal structure.
The method for installing the ring groove rivet connection pair capable of being pre-tightened for multiple times comprises the following steps:
1) Passing a rivet through the attached piece from one side;
2) Sleeving the lantern ring from the tail end of the rivet, and enabling the clamping teeth to be meshed with the thread grooves, so that the lantern ring is screwed into the rivet;
3) Then screwing in a pre-tightening nut from a thread groove at the tail part of the rivet, applying torque to the pre-tightening nut by using tools such as a spanner and the like, so that the connecting pair generates initial pre-tightening force, and the pre-tightening force is transmitted to a connected piece through a flange structure of the lantern ring; the gap of the connected piece can be eliminated by pre-tightening the early warning nut of the connecting pair for a plurality of times before riveting, so that the position of the connected piece is corrected;
4) Screwing the external screw thread of the rivet connection of the riveting tool riveting gun head connecting rod into the internal screw thread of the rivet tail connection;
5) Pressing down the switch, and enabling an anvil of a riveting gun head of a riveting tool to move downwards to squeeze a deformation area of the lantern ring so as to enable the deformation area to generate plastic deformation; when the riveting tool reaches the set riveting force, the end part of the anvil presses out marks on the spherical protruding points on the flange surface of the collar, the riveting gun head of the riveting tool returns to the original position, and the connecting pair realizes the fastening function;
6) Reversely screwing out the riveting gun head connecting rod from the rivet tail connecting internal thread through the riveting connecting external thread to finish riveting.
The utility model has the advantages. The rivet of the connecting pair adopts a full thread structure, so that the riveting range of the connecting pair is enlarged; the pre-tightening function is added on the basis of the original structure of the rivet, the pre-tightening rivet is directly penetrated into a hole of the connecting piece during construction, the tail of the rivet is screwed into a special pre-tightening nut after penetrating into the lantern ring, a certain torque is applied, the initial pre-tightening force of the connecting byproduct is generated, the position of the connecting piece is adjusted according to the actual working condition, and after all adjustment is finished, the riveting is finished by using a riveting tool.
In the installation process, the nut of the rivetless connection pair can be adjusted according to the structural size change of the connected piece, and the accurate positioning of the component is realized through multiple pretensions. The structure omits the step of replacing the rivet after pre-tightening by the bolt, so that the integral installation efficiency is greatly improved, and the construction process is simplified. In addition, the problems of dislocation and the like of components such as angle steel and the like in the installation process can be avoided, the gaps of the components are effectively eliminated, and the accurate positioning of the components is ensured.
The tail part of the connecting pair rivet is connected by adopting internal threads, so that the fastening connection between a riveting tool and the rivet is ensured, and the phenomenon that tail teeth are pulled out in the conventional riveting process is avoided; the end faces of the riveted rivets are flush, thereby improving the appearance of the component and avoiding the overlong tail teeth from interfering the assembly of the workpiece.
Drawings
FIG. 1 is a schematic view of the structure of a connecting pair rivet according to the present utility model;
FIG. 2 is an end view of the connecting pair rivet of the present utility model;
FIG. 3 is a schematic side view of a coupling sub-collar of the present utility model;
FIG. 4 is a schematic front view of a coupling sub-collar of the present utility model;
FIG. 5 is a schematic front view of the coupling set nut of the present utility model;
FIG. 6 is a schematic side view of a coupling set nut of the present utility model;
FIG. 7 is a schematic partial cross-sectional view of a dispensing riveter head of the present utility model;
FIG. 8 is a schematic front view of the present utility model with a riveting gun head;
fig. 9 to 16 are schematic views of the riveting process according to the present utility model.
In the figure, 1 is a rivet, 1.1 is a rail, 1.2 is a thread groove, 1.3 is a connecting internal thread, and 1.4 is an end groove; 2 is a lantern ring, 2.1 is a deformation area, 2.2 is a flange, 2.3 is a salient point, and 2.4 is a latch; 3 is an early warning nut, 3.1 is an external hexagon, and 3.2 is an internal thread; 4 is a riveting gun head, 4.1 is a rivet connection external thread, 4.2 is an anvil, 4.3 is a riveting gun connection external thread, and 4.4 is a connecting rod.
Detailed Description
The present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.
In combination with the accompanying drawings.
As shown in fig. 1 and 2, the rail 1.1 of the auxiliary rivet 1 is of a hexagonal structure, so that the rivet 1 can be clamped during installation; the thread grooves 1.2 are arranged in a full thread structure along the full shank of the rivet shank, so that the riveting range of the rivet 1 is enlarged; an end groove 1.4 is arranged in the tail end of the rivet rod, the inner wall of the end groove 1.4 is provided with a connecting internal thread 1.3 structure which is matched with the rivet connecting external thread 4.1 structure of the connecting rod 4.4 of the special riveting tool gun head 4, and a connecting stress point is provided for the installation of the rivet 1.
As shown in fig. 3 and 4, a deformation area 2.1 of the connecting auxiliary lantern ring 2 is a riveting deformation key area, a flange 2.2 is a clamping force transmission area, a convex point 2.3 is used for observing whether a riveting process is in place, and a latch 2.4 is matched with a thread groove 1.2, so that the lantern ring 2 is conveniently screwed into a rivet 1, and the lantern ring 2 is prevented from falling off.
As shown in fig. 5 and 6, the internal thread 3.2 profile of the connecting pair pre-tightening nut 3 is matched with the thread groove 1.2 profile, and at least one complete internal thread profile is required to exist for providing initial pre-tightening force; the maximum diagonal length of the external hexagon 3.2 of the pre-tightening nut 3 is smaller than the outer diameter of the deformation zone 2.1 of the lantern ring 2, so that interference with the inner wall of the anvil 4.2 of the riveting tool gun head 4 in the riveting process is avoided.
As shown in fig. 7 and 8, the external rivet connection thread 4.1 of the connecting rod 4 of the riveting tool gun head 4 is matched with the internal rivet connection thread 1.3 at the tail end of the rivet 1 and is used for being connected with the tail end of the rivet 1 to transmit riveting force; the anvil 4.2 is used for extruding the lantern ring 2 to generate plastic deformation and controlling the forming size after riveting; the external thread 4.3 for connecting the riveter is used for connecting with the riveter body.
According to the utility model, through the combination of the pre-tightening nut 3 and the matched ring groove rivet comprising the rivet 1 and the lantern ring 2, the riveting range of the rivet 1 can be greatly improved, the connecting pair has the function of providing a certain initial pre-tightening force, and multiple pre-tightening of the connecting pair can be realized through the pre-tightening nut 3. The tail of the rivet 1 is connected with the external rivet connecting thread 4.1 of the connecting rod 4.4 of the riveting gun head 4 of the riveting tool through the internal connecting thread 1.3, so that the riveting tool is connected with the rivet 1 more firmly, and the phenomenon that the riveting is not in place due to the fact that tail teeth are pulled out is avoided.
The ring groove rivet connection pair riveting method capable of pre-tightening for multiple times comprises the following steps:
1) As shown in fig. 9 and 10, the rivet 1 is inserted through the connected member from one side;
2) As shown in fig. 11, the collar 2 is sleeved from the tail end of the rivet, and the clamping teeth 2.4 are meshed with the thread grooves 1.2, so that the collar 2 is screwed into the rivet 1;
3) As shown in fig. 12, the pretension nut 3 is screwed in from the thread groove 1.2 at the tail of the rivet 1, and a tool such as a wrench is used to apply torque to the pretension nut 3, so that the connection pair generates an initial pretension force, and the pretension force is transmitted to a connected piece through the flange 2.2 structure of the collar 2; the gap of the connected piece can be eliminated by pre-tightening the early warning nut 3 of the connecting pair for a plurality of times before riveting, so that the position of the connected piece is corrected;
4) As shown in fig. 13 and 14, the external thread 4.1 of the rivet connection of the connecting rod 4.4 of the riveting gun head 4 of the riveting tool is screwed into the internal thread 1.3 of the tail connection of the rivet for connection and fixation;
5) As shown in fig. 15, the switch is pressed down, the anvil 4.2 of the riveting tool riveting gun head 4 moves downwards, and the deformation zone 2.1 of the collar 2 is extruded, so that plastic deformation occurs; when the riveting tool reaches the set riveting force, the end part of the anvil 4.2 presses out marks on the spherical convex points 2.3 on the surface of the flange 2.2 of the lantern ring 2, the riveting gun head 4 of the riveting tool returns to the original position, and the connecting pair realizes the fastening function;
6) As shown in fig. 16, the connecting rod 4.4 of the riveting gun head 4 is reversely screwed out from the internal thread 1.3 of the tail end connection of the rivet 1 through the external thread 4.1 for riveting, and the riveting is completed.
Claims (3)
1. The utility model provides a but annular rivet connection pair of multiple pretension, includes rivet and lantern ring, its characterized in that: the riveting gun head is used for riveting the pre-tightening nut;
the rivet comprises a rail and a shank; the screw thread is arranged on the whole surface of the screw rod, a connecting end groove is formed in the inner side of the tail end of the screw rod, and a connecting internal screw thread is formed in the wall of the end groove;
the collar comprises a deformation zone and a flange; the other end of the inner wall of the lantern ring, which is opposite to the flange, is provided with a latch matched with the screw thread of the rivet rod and used for screwing in the rivet rod;
the pre-tightening nut is an external hexagonal nut, the internal thread of the nut is matched with the surface thread of the nail rod, and the maximum diagonal length of the external hexagonal nut is smaller than the outer diameter of the deformation area of the lantern ring;
the riveting gun head comprises a connecting rod and an anvil which are arranged in a riveting driving tool in a driving mode, the connecting rod and the anvil are arranged in a coaxial mode, and the connecting rod is located in the center, and the front end of the connecting rod is provided with external rivet threads matched with internal rivet threads connected with the inner side grooves of the tail end of the nail rod.
2. The multi-time pretensionable ring groove rivet connection pair according to claim 1, characterized in that: and salient points are arranged on the surface of the inner wall ring of the flange.
3. The multi-time pretensionable ring groove rivet connection pair according to claim 1, characterized in that: the rivet rail is of an outer hexagonal structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320940335.6U CN219865796U (en) | 2023-04-24 | 2023-04-24 | Ring groove rivet connection pair capable of being pre-tightened for multiple times |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320940335.6U CN219865796U (en) | 2023-04-24 | 2023-04-24 | Ring groove rivet connection pair capable of being pre-tightened for multiple times |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865796U true CN219865796U (en) | 2023-10-20 |
Family
ID=88333946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320940335.6U Withdrawn - After Issue CN219865796U (en) | 2023-04-24 | 2023-04-24 | Ring groove rivet connection pair capable of being pre-tightened for multiple times |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865796U (en) |
-
2023
- 2023-04-24 CN CN202320940335.6U patent/CN219865796U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20231020 Effective date of abandoning: 20231030 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20231020 Effective date of abandoning: 20231030 |