CN113062909A - Self-plugging rivet with anti-loosening structure - Google Patents
Self-plugging rivet with anti-loosening structure Download PDFInfo
- Publication number
- CN113062909A CN113062909A CN202110329792.7A CN202110329792A CN113062909A CN 113062909 A CN113062909 A CN 113062909A CN 202110329792 A CN202110329792 A CN 202110329792A CN 113062909 A CN113062909 A CN 113062909A
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- rivet
- cap
- limiting
- rivet body
- piece
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- 230000009471 action Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 241000755266 Kathetostoma giganteum Species 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
- F16B19/1027—Multi-part rivets
- F16B19/1036—Blind rivets
- F16B19/1045—Blind rivets fastened by a pull - mandrel or the like
- F16B19/1054—Blind rivets fastened by a pull - mandrel or the like the pull-mandrel or the like being frangible
Abstract
The invention relates to the field of rivets, in particular to a self-plugging rivet with an anti-loosening structure. It includes the rivet body and the nail body, the rivet body cup joints on the nail body, the one end of the nail body is connected with the spacing cap that links to each other with the rivet body tip, the one end that spacing cap was kept away from to the rivet body is provided with the nail cap, a plurality of spacing groove has been seted up on the inner wall of the rivet body, the upper portion of spacing inslot wall one end is rotated and is connected with the flange rather than matcing, spacing inslot fixed is provided with first spring, the other end and the flange fixed connection of first spring, the one end that the pin joint was kept away from to the flange sets up towards nail cap one side, be provided with the stopper with flange matched with on the. The self-plugging rivet has the advantages that the self-plugging rivet is not easy to loosen after riveting, and the riveting quality is improved.
Description
Technical Field
The invention relates to the field of rivets, in particular to a self-plugging rivet with an anti-loosening structure.
Background
The self-plugging rivet is a rivet for single-side riveting, but needs to be riveted by using a special tool, namely a hand riveter (manual, electric and pneumatic). The rivet is especially suitable for riveting occasions where common rivets (which need to be riveted from two sides) are inconvenient to adopt, so that the rivet is widely applied to products such as buildings, automobiles, ships, airplanes, machines, electrical appliances, furniture and the like. The open-type flat-head self-plugging rivet is widely applied, the countersunk head self-plugging rivet is suitable for riveting occasions with surfaces needing to be smooth, and the closed-type self-plugging rivet is suitable for riveting occasions requiring higher loads and having certain sealing performance.
However, the existing blind rivet has the following defects: the existing part of self-plugging rivets are riveted, and due to the influence of storage environment, the riveted parts can vibrate, so that the loose condition of the self-plugging rivets is caused, and the riveting quality is finally influenced.
Disclosure of Invention
The invention aims to provide a self-plugging rivet with an anti-loosening structure, so that the self-plugging rivet is not easy to loosen after riveting, and the riveting quality is improved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides a self-plugging rivet with anti loosening structure, includes the rivet body and the nail body, the rivet body cup joints on the nail body, the one end of the nail body is connected with the spacing cap that links to each other with the rivet body tip, the one end that spacing cap was kept away from to the rivet body is provided with the nail cap, a plurality of spacing groove has been seted up on the inner wall of the rivet body, the upper portion of spacing inslot wall one end is rotated and is connected with the flange rather than matcing, the fixed first spring that is provided with of spacing inslot, the other end and the flange fixed connection of first spring, the one end that the pin joint was kept away from to the flange sets up towards nail cap one side, be provided with the stopper with flange matched with on the nail.
Preferably, the lateral wall of nail cap outwards extends has first connecting plate, the both ends of first connecting plate towards spacing cap one side all are provided with the second spring, the one end that first connecting plate was kept away from to the second spring is connected with the second connecting plate, the one end that the second connecting plate was towards spacing cap is provided with a plurality of non-slip raised.
Preferably, the nail body is including connecting piece, fracture piece and the nail core as an organic whole of coaxial coupling in proper order, connecting piece, fracture piece and nail core are the cylinder structure, fracture groove has been seted up on the fracture piece, spacing cap is connected with the one end that the fracture piece was kept away from to the connecting piece, the stopper sets up on the lateral wall of connecting piece.
Preferably, the number of the limiting grooves is two, and the two limiting grooves are symmetrically arranged on the inner wall of the rivet body along the central axis of the rivet body.
Preferably, the convex plate is of a cuboid plate-shaped structure, the longitudinal section of the limiting block is of a right-angled triangle structure, and the inclined plane of the limiting block is arranged towards one side of the nail cap.
Preferably, the inclined plane of the limiting block and one surface of the convex plate, which is far away from the first spring, are arranged in parallel.
Preferably, the number of the first springs is at least two and is connected with the middle part of the convex plate.
Preferably, the limiting block and the connecting piece are integrally formed.
Compared with the prior art, the invention has the advantages that:
1) according to the self-plugging rivet with the anti-loosening structure, the phenomenon that the self-plugging rivet is not loosened after riveting is avoided, and the riveting quality is improved;
2) the rivet body is sleeved on the rivet body, one end of the rivet body is connected with a limit cap connected with the end part of the rivet body, one end of the rivet body, which is far away from the limit cap, is provided with the rivet cap, the inner wall of the rivet body is provided with a plurality of limit grooves, the upper part of one end of the inner wall of each limit groove is rotatably connected with a convex plate matched with the limit groove, a first spring is fixedly arranged in each limit groove, the other end of the first spring is fixedly connected with the convex plate, one end, which is far away from a hinge joint, of the convex plate is arranged towards one side of the rivet cap, the rivet body is provided with a limit block matched with the convex plate, before riveting, the self-plugging rivet is placed on a riveted piece, the rivet body is pulled outwards by using a hand riveter until the rivet body is fixed, then part of the rivet body is pulled off, the movement of the rivet body drives the limit block to move, the limit block moves outwards, so that the convex plate is pressed towards the inner part of, when the limiting block moves between the nail cap and the convex plate, the limiting block is abutted to one end, far away from the hinged point, of the convex plate, the convex plate forms an obstacle after being reset under the action of the elastic force of the first spring, and when the riveted part shakes, the convex plate and the limiting hole are mutually abutted, namely the phenomenon of looseness cannot occur, and the riveting quality is improved;
3) the first connecting plate extends outwards from the side wall of the rivet cap, the two ends of one side, facing the limiting cap, of the first connecting plate are provided with the second springs, one end, far away from the first connecting plate, of each second spring is connected with the second connecting plate, one end, facing the limiting cap, of each second connecting plate is provided with the plurality of anti-skidding protrusions, when the rivet is used for riveting the riveted piece, the second springs are in a compressed state, the anti-skidding protrusions are tightly attached to the riveted piece, friction between the anti-skidding protrusions and the rivet cap is increased, the loose phenomenon of the self-plugging rivet after riveting is avoided, and the riveting quality is improved;
4) the connecting piece, the broken piece and the nail core are sequentially and coaxially connected into a whole, the connecting piece, the broken piece and the nail core are all arranged to be cylindrical structures, a broken groove is formed in the broken piece, the limiting cap is connected with one end, far away from the broken piece, of the connecting piece, the limiting block is arranged on the side wall of the connecting piece, before riveting is conducted, the self-plugging rivet is placed on a riveted piece, the nail body is pulled outwards by using a hand riveter, then the nail core and the broken piece are disconnected from the broken groove, riveting can be completed, at the moment, the limiting block and the convex plate are mutually abutted, and therefore the loosening phenomenon cannot occur, and the riveting quality is improved;
5) the number of the limiting grooves is two, the two limiting grooves are symmetrically arranged on the inner wall of the rivet body along the central axis of the rivet body, the two limiting grooves are hinged with the convex plates and provided with the first springs, the two convex plates are respectively abutted with the two limiting blocks, so that the phenomenon of looseness after riveting is further reduced, and the riveting quality is improved;
6) the convex plate is arranged to be of a cuboid plate-shaped structure, the longitudinal section of the limiting block is arranged to be of a right-angled triangle structure, the inclined surface of the limiting block is arranged towards one side of the nail cap, the limiting block and the convex plate are arranged in a shape, so that the riveting is smoother, the limiting block is not easy to move towards one side of the limiting cap, the phenomenon of looseness after riveting is reduced, and the riveting quality is improved;
7) the inclined surface of the limiting block is arranged in parallel with the surface of the convex plate far away from the first spring, so that the limiting block cannot be clamped when moving to abut against the convex plate, and the moving smoothness of the nail body during riveting is improved;
8) at least two first springs are arranged and are connected with the middle part of the convex plate, so that the stability of the convex plate is improved due to the at least two first springs, the barrier to the limiting block is ensured, and the riveting quality is also ensured;
9) through setting up stopper and connecting piece into integrated into one piece, the setting up of integrated into one piece structure has improved the structural strength between stopper and the connecting piece, has avoided droing on stopper and the connecting piece, has guaranteed riveted quality.
Drawings
FIG. 1 is a schematic structural view of a blind rivet according to the present invention before riveting;
FIG. 2 is an enlarged schematic view of the structure of section A of FIG. 1;
FIG. 3 is an enlarged schematic view of the structure of section B of FIG. 1;
FIG. 4 is a schematic structural view of the blind rivet of the present invention after riveting;
fig. 5 is an enlarged schematic view of the structure of the portion C in fig. 4.
The meaning of the reference numerals: 1. riveting a body; 2. a nail body; 200. a connecting member; 201. a breaking member; 202. a nail core; 3. a limiting cap; 4. a nail cap; 5. a limiting groove; 6. a convex plate; 7. a first spring; 8. a limiting block; 9. a first connecting plate; 10. a second spring; 11. a second connecting plate; 12. anti-skid projections; 16. a breaking groove; 100. and riveting the parts.
The invention is further described with reference to the following figures and detailed description.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the invention comprises the following steps: a self-plugging rivet with an anti-loose structure is composed of a rivet body 1 and a rivet body 2, wherein the rivet body 1 is sleeved on the rivet body 2, one end of the rivet body 2 is connected with a limiting cap 3 connected with the end of the rivet body 1, one end of the rivet body 1 far away from the limiting cap 3 is provided with a rivet cap 4, the inner wall of the rivet body 1 is provided with a plurality of limiting grooves 5, the upper part of one end of the inner wall of each limiting groove 5 is rotatably connected with a convex plate 6 matched with the limiting groove, a first spring 7 is fixedly arranged in each limiting groove 5, the other end of the first spring 7 is fixedly connected with the convex plate 6, one end of the convex plate 6 far away from a hinged point is arranged towards one side of the rivet cap 4, the rivet body 2 is provided with a limiting block 8 matched with the convex plate 6, before riveting, the self-plugging rivet is placed on a riveted part 100, the rivet body 2 is pulled out and fixed by using a hand-riveting gun, part nail body 2 breaks afterwards, the removal of the nail body 2 has driven stopper 8's removal, stopper 8's outside removal makes with boss 6 oppression to the inside of spacing groove 5 when with boss 6 looks butt, first spring 7 has possessed elasticity this moment, after stopper 8 removed between nail cap 4 and boss 6, stopper 8 and boss 6 keep away from the one end butt of pin joint, boss 6 forms the obstacle after reseing under the effect of first spring 7 elasticity, and when the condition of vibrations appears by riveting piece 100, conflict can't appear not hard up phenomenon promptly between boss 6 and the spacing hole, riveted quality has been improved.
The lateral wall of the rivet cap 4 outwards extends and is provided with a first connecting plate 9, the two ends of one side of the first connecting plate 9 facing the limiting cap 3 are respectively provided with a second spring 10, one end of the second spring 10 far away from the first connecting plate 9 is connected with a second connecting plate 11, one end of the second connecting plate 11 facing the limiting cap 3 is provided with a plurality of anti-skidding protrusions 12, after the rivet is used for riveting the riveted part 100, the second spring 10 is in a compression state, the anti-skidding protrusions 12 are tightly attached to the riveted part 100, the friction force between the anti-skidding protrusions 12 and the rivet cap 4 is increased due to the arrangement of the anti-skidding protrusions 12, the loose phenomenon of the self-plugging rivet after riveting is not prone to occurring, and the riveting quality is improved.
The rivet body 2 comprises a connecting piece 200, a breaking piece 201 and a rivet core 202 which are coaxially connected into a whole in sequence, the connecting piece 200, the breaking piece 201 and the rivet core 202 are all of a cylindrical structure, a breaking groove 16 is formed in the breaking piece 201, one end, far away from the breaking piece 201, of the connecting piece 200 is connected with the limiting cap 3, the limiting block 8 is arranged on the side wall of the connecting piece 200, before riveting is conducted, the self-plugging rivet is placed on the riveted piece 100, the rivet body 2 is pulled out by using a hand riveter, then the rivet core 202 and the breaking piece 201 are disconnected from the breaking groove 16 to complete riveting, at the moment, the limiting block 8 and the convex plate 6 are mutually abutted, namely, the phenomenon of looseness cannot occur, and the riveting quality is improved.
The quantity of spacing groove 5 is provided with two, two spacing groove 5 sets up on the inner wall of rivet 1 along the axis symmetry of rivet 1, and two spacing inslots 5 all articulate has flange 6 and are provided with first spring 7, and two flange 6 respectively with two stopper 8 looks butt set up further reduction appear not hard up phenomenon after the riveting, improved riveted quality.
Protruding board 6 is cuboid platelike structure, stopper 8's longitudinal section is the right triangle structure, stopper 8's inclined plane sets up towards nail cap 4 one side, and stopper 8 makes more smooth and easy when the riveting with the setting of 6 shapes of protruding board, and makes stopper 8 be difficult for appearing the condition to 3 one sides removal of spacing cap, has reduced the phenomenon that appears becoming flexible after the riveting, has improved riveted quality.
The inclined plane of stopper 8 and the one side parallel arrangement that first spring 7 was kept away from to flange 6 make stopper 8 can not appear the card condition of stopping when removing to with flange 6 looks butt, have improved the smooth and easy degree that the nail body 2 removed when the riveting.
The quantity of first spring 7 is provided with two at least and all is connected with the middle part of flange 6, and the improvement of at least two first springs 7 the stability of flange 6 has not only guaranteed to form the obstacle to stopper 8, has also guaranteed riveted quality simultaneously.
The working principle of the invention is as follows:
before riveting, a self-plugging rivet is placed on a riveted piece 100, a rivet body 2 is pulled outwards by using a rivet gun until the rivet body is fixed, then a rivet core 202 and a fracture piece 201 are disconnected from a fracture groove 16 to complete riveting, in the riveting process, the movement of the rivet body 2 drives a limiting block 8 to move, the limiting block 8 moves outwards to press a convex plate 6 to the inside of a limiting groove 5 when abutting against the convex plate 6, at the moment, a first spring 7 has elasticity, after the limiting block 8 moves to a position between a rivet cap 4 and the convex plate 6, the limiting block 8 abuts against one end of the convex plate 6, which is far away from a hinge point, the convex plate 6 forms a barrier after resetting under the action of the elasticity of the first spring 7, and when the riveted piece 100 vibrates, the convex plate 6 and a limiting hole cannot be loosened due to mutual abutting, and after riveting, an anti-skid bulge 12 is tightly attached to the riveted piece 100, the friction force between the anti-skidding bulges 12 and the rivet cap 4 is increased, so that the loose phenomenon of the self-plugging rivet after riveting is not easy to occur, and the riveting quality is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. A self-plugging rivet with an anti-loose structure comprises a rivet body (1) and a rivet body (2), it is characterized in that the rivet body (1) is sleeved on the rivet body (2), one end of the rivet body (2) is connected with a limit cap (3) connected with the end part of the rivet body (1), one end of the rivet body (1) far away from the limit cap (3) is provided with a rivet cap (4), a plurality of limiting grooves (5) are arranged on the inner wall of the rivet body (1), the upper part of one end of the inner wall of each limiting groove (5) is rotatably connected with a convex plate (6) matched with the limiting groove, a first spring (7) is fixedly arranged in the limiting groove (5), the other end of the first spring (7) is fixedly connected with the convex plate (6), one end of the convex plate (6) far away from the hinge point is arranged towards one side of the nail cap (4), the nail body (2) is provided with a limiting block (8) matched with the convex plate (6).
2. The blind rivet with the anti-loose structure according to claim 1, characterized in that a first connecting plate (9) extends outwards from the side wall of the rivet cap (4), second springs (10) are respectively arranged at two ends of one side of the first connecting plate (9) facing the limiting cap (3), a second connecting plate (11) is connected to one end, away from the first connecting plate (9), of each second spring (10), and a plurality of anti-slip protrusions (12) are arranged at one end, facing the limiting cap (3), of each second connecting plate (11).
3. The blind rivet with the anti-loose structure according to claim 1 or 2, characterized in that the rivet body (2) comprises a connecting piece (200), a breaking piece (201) and a rivet core (202) which are coaxially connected into a whole in sequence, the connecting piece (200), the breaking piece (201) and the rivet core (202) are all of a cylindrical structure, a breaking groove (16) is formed in the breaking piece (201), the limiting cap (3) is connected with one end, away from the breaking piece (201), of the connecting piece (200), and the limiting block (8) is arranged on the side wall of the connecting piece (200).
4. The blind rivet with the anti-loose structure according to claim 3, characterized in that the number of the limiting grooves (5) is two, and the two limiting grooves (5) are symmetrically arranged on the inner wall of the rivet body (1) along the central axis of the rivet body (1).
5. The blind rivet with the anti-loose structure according to claim 4, characterized in that the convex plate (6) is a rectangular plate-shaped structure, the longitudinal section of the limiting block (8) is a right-angled triangle structure, and the inclined surface of the limiting block (8) is arranged towards one side of the rivet cap (4).
6. Blind rivet with anti-loose structure according to claim 1, characterized in that the inclined plane of the stop block (8) is arranged parallel to the side of the protruding plate (6) away from the first spring (7).
7. Blind rivet with anti-loose structure according to claim 1, characterized in that the first springs (7) are provided in at least two numbers and are connected to the middle of the protruding plate (6).
8. Blind rivet with anti-loose structure according to claim 3, characterized in that the stop block (8) is integrally formed with the connecting piece (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329792.7A CN113062909A (en) | 2021-03-29 | 2021-03-29 | Self-plugging rivet with anti-loosening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110329792.7A CN113062909A (en) | 2021-03-29 | 2021-03-29 | Self-plugging rivet with anti-loosening structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113062909A true CN113062909A (en) | 2021-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110329792.7A Pending CN113062909A (en) | 2021-03-29 | 2021-03-29 | Self-plugging rivet with anti-loosening structure |
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| Country | Link |
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| CN (1) | CN113062909A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101981330A (en) * | 2008-02-04 | 2011-02-23 | 纽弗雷公司 | Variable grip blind rivet |
| US20110076114A1 (en) * | 2009-09-25 | 2011-03-31 | Newfrey Llc | Plastic blind rivet |
| DE102012019641A1 (en) * | 2012-10-06 | 2014-04-10 | Volkswagen Aktiengesellschaft | Connection assembly for releasable connecting metal sheets with each other, has stop arranged at mandrel or in active compound due to axial return movement of mandrel to functional section of base body |
| CN204186729U (en) * | 2014-10-29 | 2015-03-04 | 浙江明泰标准件有限公司 | A kind of zigzag fashion self tapping anti-loosing screw |
| CN204959748U (en) * | 2015-09-18 | 2016-01-13 | 浙江科技学院 | A anchor for preventing danger rock |
| CN108980170A (en) * | 2018-09-28 | 2018-12-11 | 无锡安士达五金有限公司 | Anti-scratching self-plugging rivet |
| CN110608221A (en) * | 2019-10-09 | 2019-12-24 | 无锡安欣达科技有限公司 | Shockproof rivet |
| CN209856696U (en) * | 2018-12-29 | 2019-12-27 | 河北坦途勘测设计有限公司 | High-efficient RTK measuring equipment |
| CN111894956A (en) * | 2020-07-15 | 2020-11-06 | 常金华 | High-strength sealing rivet |
-
2021
- 2021-03-29 CN CN202110329792.7A patent/CN113062909A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101981330A (en) * | 2008-02-04 | 2011-02-23 | 纽弗雷公司 | Variable grip blind rivet |
| US20110076114A1 (en) * | 2009-09-25 | 2011-03-31 | Newfrey Llc | Plastic blind rivet |
| DE102012019641A1 (en) * | 2012-10-06 | 2014-04-10 | Volkswagen Aktiengesellschaft | Connection assembly for releasable connecting metal sheets with each other, has stop arranged at mandrel or in active compound due to axial return movement of mandrel to functional section of base body |
| CN204186729U (en) * | 2014-10-29 | 2015-03-04 | 浙江明泰标准件有限公司 | A kind of zigzag fashion self tapping anti-loosing screw |
| CN204959748U (en) * | 2015-09-18 | 2016-01-13 | 浙江科技学院 | A anchor for preventing danger rock |
| CN108980170A (en) * | 2018-09-28 | 2018-12-11 | 无锡安士达五金有限公司 | Anti-scratching self-plugging rivet |
| CN209856696U (en) * | 2018-12-29 | 2019-12-27 | 河北坦途勘测设计有限公司 | High-efficient RTK measuring equipment |
| CN110608221A (en) * | 2019-10-09 | 2019-12-24 | 无锡安欣达科技有限公司 | Shockproof rivet |
| CN111894956A (en) * | 2020-07-15 | 2020-11-06 | 常金华 | High-strength sealing rivet |
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