CN112412949A - Penetrating type fastening nut - Google Patents
Penetrating type fastening nut Download PDFInfo
- Publication number
- CN112412949A CN112412949A CN202011386244.XA CN202011386244A CN112412949A CN 112412949 A CN112412949 A CN 112412949A CN 202011386244 A CN202011386244 A CN 202011386244A CN 112412949 A CN112412949 A CN 112412949A
- Authority
- CN
- China
- Prior art keywords
- ring
- middle ring
- clamping ring
- fastening nut
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000149 penetrating effect Effects 0.000 title abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 238000005728 strengthening Methods 0.000 claims 3
- 239000002184 metal Substances 0.000 abstract description 23
- 239000000463 material Substances 0.000 description 7
- 230000035515 penetration Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- F16B37/00—Nuts or like thread-engaging members
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/048—Non-releasable devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The invention discloses a penetrating type fastening nut, which belongs to the field of nuts, is used for connecting a metal plate body and comprises a body provided with a middle ring body; the end face of the middle ring body is flush with the inner side face of the body, and the outer diameter of the middle ring body is continuously increased while the middle ring body is far away from the body along the direction of the central axis; the clamping rings are arranged on the outer side surface of the middle ring body in the circumferential direction layer by layer in the direction of the central axis; a pressing ring groove is formed in the contact position of the middle ring body and the inner side surface of the body, an annular boss integrated with the middle ring body is formed in the pressing ring groove, and the annular boss forms a stepped structure in the pressing ring groove; the annular boss and the middle ring body are coaxially arranged; the pressing ring is arranged at the edge of the inner side face of the body and is of a ring body structure protruding out of the inner side face of the body. It can realize the improvement of nut and plate body connection stability, guarantees the connection quality of plate body.
Description
Technical Field
The present application pertains to nuts, and more particularly, to a penetrating fastening nut.
Background
The penetration type fastening nut is generally attached to a plate material, which enables improvement in stability and firmness of connection of the metal plate material with the bolt. When the penetration type fastening nut is pressed into the metal plate material, the penetration type fastening nut can form a through hole at the metal plate material, and the connection of the metal plate material and the penetration type fastening nut is realized by plastic working of the metal plate material at the through hole position. The penetrating fastening nut generally needs to face two main technical problems, one of which is the strength of the connecting position of the connecting nut and the metal plate, and the other is how to design the penetrating fastening nut so that the penetrating fastening nut can be better connected with the metal plate, and the stability and the firmness of the connecting position are improved.
Disclosure of Invention
An object of this application is to provide a penetrating type fastening nut, and it can realize the improvement of nut and plate body connection stability, guarantees the connection quality of plate body.
In order to achieve the purpose, the method is realized by the following technical scheme:
the penetrating fastening nut comprises a body, wherein a middle ring body is arranged at the central axis of the body, is positioned on the inner side surface of the body, which is in contact with a plate body, and extends along the central axis in the direction far away from the inner side surface of the body; the end face of the middle ring body is flush with the inner side face of the body, and the outer diameter of the middle ring body is continuously increased while the middle ring body is far away from the body along the direction of the central axis; the clamping rings are arranged on the outer side surface of the middle ring body in the circumferential direction layer by layer in the direction of the central axis; a pressing ring groove is formed in the contact position of the middle ring body and the inner side surface of the body, an annular boss integrated with the middle ring body is formed in the pressing ring groove, and the annular boss forms a stepped structure in the pressing ring groove; the annular boss and the middle ring body are coaxially arranged; the pressing ring is arranged at the edge of the inner side face of the body and is of a ring body structure protruding out of the inner side face of the body.
Furthermore, the outer edge of the annular boss is provided with the reinforcing rib, the reinforcing rib extends towards the inner wall of the pressing ring groove in the pressing ring groove, and the height of the reinforcing rib is gradually reduced in the extending process.
Furthermore, the bottom surface of the rib body is machined in the reinforcing rib, and the bottom surface of the rib body is flush with the bottom surface of the annular groove.
Furthermore, a pressing ring embedding groove is machined in the connecting position of the circumferential outer surface of the pressing ring and the body.
Further, the pressing ring caulking groove in the present invention extends in the direction of the central axis of the main body by a distance 1/2 of the pressing ring.
Furthermore, the clamping ring comprises a clamping ring inclined surface, and the outer diameter of the clamping ring inclined surface is gradually increased in the process of approaching the body; the bottom on snap ring inclined plane meets with the snap ring bottom surface, and the snap ring bottom surface is the medial surface parallel and level of body.
Furthermore, a snap ring groove is formed between adjacent snap rings on the circumferential outer side surface of the middle ring body.
Compared with the prior art, the beneficial effects of this application are:
the penetrating type fastening nut is structurally improved at the connecting position of the penetrating type fastening nut and a metal plate, and the connecting stability and the firmness of the plate and the penetrating type fastening nut can be improved after the metal plate is subjected to plastic processing.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
In the figure: 1. a body; 2. pressing a ring; 3. a pressure ring groove; 4. an annular boss; 5. reinforcing ribs; 6. a middle ring body; 7. a threaded hole; 8. a snap ring; 9. the bottom surface of the rib body; 10. a snap ring bevel; 11. a snap ring bottom surface; 12. a snap ring groove; 13. and pressing the ring embedding groove.
Detailed Description
The technical solutions described in the present application are further described below with reference to examples. It should be noted that, in the following paragraphs, possible directional terms including, but not limited to, "upper, lower, left, right, front, rear" and the like are used, and all directions are meant to correspond to the visual directions shown in the drawings of the specification, which should not be construed as limiting the scope of the present invention, and are only for facilitating the better understanding of the technical solutions described in the specification by those skilled in the art.
In the description of the following paragraphs, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; 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 meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances in combination with common general knowledge in the art, design specifications, standard documents, and the like.
Example 1
A penetrating type fastening nut comprises a body 1, wherein a middle ring body 6 is arranged at the central axis of the body 1, and the middle ring body 6 is positioned on the inner side surface of the body 1, which is in contact with a plate body, and extends along the central axis in the direction far away from the inner side surface of the body 1; the end face of the middle ring body 6 is flush with the inner side face of the body 1, and the outer diameter of the middle ring body is continuously increased while the middle ring body is far away from the body 1 along the direction of the central axis; a clamping ring 8 is arranged on the circumferential outer side surface of the middle ring body 6, and the clamping ring 8 is arranged on the outer side surface of the middle ring body 6 layer by layer in the direction of the central axis; a pressing ring groove 3 is formed in the contact position of the middle ring body 6 and the inner side surface of the body 1, an annular boss 4 integrated with the middle ring body 6 is formed in the pressing ring groove 3, and the annular boss 4 forms a stepped structure in the pressing ring groove 3; the annular boss 4 and the middle ring body 6 are coaxially arranged; the pressing ring 2 is arranged at the edge of the inner side face of the body 1, and the pressing ring 2 is of a ring body structure protruding out of the inner side face of the body 1.
Example 2
A penetrating type fastening nut is characterized in that a reinforcing rib 5 is arranged at the position of the outer edge of an annular boss 4, the reinforcing rib 5 extends towards the inner wall of a pressing ring groove 3 in the pressing ring groove 3, and the height of the reinforcing rib 5 is gradually reduced in the extending process; a rib body bottom surface 9 is processed in the reinforcing rib 5, and the rib body bottom surface 9 is flush with the bottom surface of the annular groove 3; a pressing ring embedding groove 13 is processed at the connecting position of the circumferential outer surface of the pressing ring 2 and the body 1; the distance of the compression ring embedding groove 13 extending towards the central axis direction of the body 1 is 1/2 of the compression ring 2; the snap ring 8 comprises a snap ring inclined surface 10, and the outer diameter of the snap ring inclined surface 10 is gradually increased in the process of approaching the body 1; the bottom end of the clamp ring inclined plane 10 is connected with a clamp ring bottom surface 11, and the clamp ring bottom surface 11 is flush with the inner side surface of the body 1; and a snap ring groove 12 is formed between adjacent snap rings 8 on the circumferential outer side surface of the middle ring body 6. The structure and connection relationship of the rest parts are the same as those described in any of the foregoing embodiments, and are not described herein again to avoid the tedious text.
On the basis of the above-mentioned embodiments, the following paragraphs are used to continue detailed description of the technical features involved therein and the functions and actions of the technical features in the technical solutions, so as to help those skilled in the art fully understand the technical solutions and reproduce the technical solutions.
In the present invention, the main body 1 may be a circular plate structure or a polygonal plate structure (as shown in fig. 1 and fig. 2), and the end surface of the main body and the metal plate is defined as an inner side surface, and the end surface of the main body away from the metal plate is defined as an outer side surface. The central axis position department at body 1 is provided with the integrative middle part ring body 6 with body 1, and middle part ring body 6 extends along the central axis of body 1 to the direction of keeping away from body 1 medial surface. The outer diameter of the middle ring body 6 is gradually increased in the process of extending along the central axis of the body 1, so that the circumferential outer side face of the middle ring body 6 forms a face inclined relative to the inner side face of the body 1.
The outer edge of the top surface of the middle ring body 6 is a cut edge penetrating through a metal plate, and the circumferential outer side surface of the middle ring body 6 in the above paragraph is in a structure clamped with a through hole of the metal plate, so that the penetrating fastening nut and the metal plate are fixed. Specifically, in the present invention, the outer circumferential surface of the middle ring 6 is inclined with respect to the inner surface of the body 1, and the middle ring 6 is further provided with a plurality of snap rings 8 which surround the middle ring 6, and the snap rings 8 are uniformly distributed along the outer circumferential surface of the middle ring 6 in the central axis direction. The snap ring 8 of each layer comprises a snap ring inclined surface 10 and a snap ring bottom surface 11, and the longitudinal section of the snap ring 8 formed by the snap ring inclined surface 10 and the snap ring bottom surface 11 is triangular. The outer diameter of the clamp ring inclined plane 10 is continuously increased in the process of being close to the body 1, and the bottom end of the clamp ring inclined plane 10 and the bottom surface 11 of the clamp ring form a clamping edge for clamping the metal plate body at a perforation. The bottom surface 11 of the snap ring is parallel to the inner side surface of the body 1, and a snap ring groove 12 is processed between the adjacent snap rings 8 on the middle ring body 6.
The bottom surface of the snap ring groove 12 is an inclined surface, and a side line formed by the longitudinal section of the inclined surface is flush with a side line formed by the longitudinal section of the circumferential outer side surface of the middle ring body 6. The purpose of this arrangement is to further increase the stability of the connection at the position where the metal plate body piercing hole contacts the circumferential outer side surface of the middle ring body 6.
In the invention, a through hole penetrating through the middle ring body 6 and the body 1 is processed downwards on the end surface of the middle ring body 6, and an internal thread is processed on the inner wall of the through hole to form a threaded hole 7. The threaded hole 7 is connected with a bolt.
In the invention, the inner side surface of the body 1 is provided with an annular groove 3, and a sufficient distance is reserved between the annular groove 3 and the outer edge of the body 1 for placing the pressure ring 2. The annular groove 3 is machined down from the inner side of the body 1 to a depth less than 1/2 of the body 1. The connecting position of the middle ring body 6 and the body 1 is positioned in the annular groove 3, the connecting position of the middle ring body and the body extends outwards to form an annular boss 4, and the annular boss 4 forms a step structure in the annular groove 3. And reinforcing ribs 5 are arranged between the circumferential outer side surface of the annular boss 4 and the inner wall of the annular groove 3, and the height of the reinforcing ribs 5 is gradually reduced from the annular boss 4 to the annular groove 3 in the extending process. And the reinforcing ribs 5 are uniformly distributed in the annular groove 3 around the central axis of the body 1.
In the invention, the reinforcing rib 5 is provided with a sedimentation groove body, the sedimentation groove body forms a rib body bottom surface 9 on the reinforcing rib 5, and the rib body bottom surface 9 is flush with the bottom surface of the pressing ring groove 3. The structure described in this paragraph and the structure described in the preceding paragraph, which is effective in increasing the connection area between a penetrating type fastening nut and the metal plate when the metal plate is shaped at the position of the through hole, and preventing the penetrating type fastening nut from rotating when the penetrating type fastening nut is fixed to the metal plate.
In the invention, the pressing ring 2 is positioned at the outer edge of the body 1 and extends from the outer edge of the body 1 to the outer edge of the pressing ring groove 3. The clamping ring 2 is higher than the inner side face of the body 1, a clamping ring caulking groove 13 is processed on the circumferential outer surface of the clamping ring 2, and the bottom face of the clamping ring caulking groove 13 is flush with the inner side face of the body 1. The distance that clamping ring caulking groove 13 extended to clamping ring 2 is 1/2 of body 1 outside along to 3 outside along distances of clamping ring recess, can guarantee that clamping ring 2 has certain elasticity and can guarantee the stability and the intensity of clamping ring 2 structure again.
In the invention, an elastic rubber material can be sleeved in the pressing ring embedding groove 13 of the pressing ring 2, when a penetrating type fastening nut is connected with a metal plate and the molding is finished, the pressing ring 2 can generate certain elastic deformation, an acting force far away from the metal plate body is applied to the middle ring body 6 in the process of resisting the elastic deformation, and the middle ring body 6 penetrating through the metal plate body is matched with the circumferential outer side face inclined relative to the inner side face of the body 1 to realize the fixing of the penetrating type fastening nut.
Finally, although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description of the present description is for clarity reasons only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims (7)
1. A penetration-type fastening nut comprising a body (1), characterized in that: the body (1) is provided with a middle ring body (6) at the central axis, and the middle ring body (6) is positioned on the inner side surface of the body (1) contacted with the plate body and extends along the central axis in the direction far away from the inner side surface of the body (1); the end face of the middle ring body (6) is flush with the inner side face of the body (1), and the outer diameter of the middle ring body is continuously increased while the middle ring body is far away from the body (1) along the direction of the central axis; a clamping ring (8) is arranged on the outer side surface of the middle ring body (6) in the circumferential direction, and the clamping ring (8) is arranged on the outer side surface of the middle ring body (6) layer by layer in the direction of the central axis; a pressing ring groove (3) is formed in the contact position of the middle ring body (6) and the inner side surface of the body (1), an annular boss (4) integrated with the middle ring body (6) is formed in the pressing ring groove (3), and the annular boss (4) forms a stepped structure in the pressing ring groove (3); the annular boss (4) and the middle ring body (6) are coaxially arranged; the clamping ring is characterized in that the body (1) is provided with a clamping ring (2) at the edge position of the inner side face of the body, and the clamping ring (2) is of a ring body structure protruding out of the inner side face of the body (1).
2. A penetration-type fastening nut as defined in claim 1, wherein: the outer border position department of annular boss (4) is provided with strengthening rib (5), and strengthening rib (5) extend to the inner wall of clamping ring recess (3) in clamping ring recess (3), and highly reduce gradually at the in-process strengthening rib (5) that extend.
3. A penetration-type fastening nut as defined in claim 2, wherein: a rib body bottom surface (9) is processed in the reinforcing rib (5), and the rib body bottom surface (9) is flush with the bottom surface of the annular groove (3).
4. A penetration-type fastening nut as defined in claim 3, wherein: and a pressing ring embedding groove (13) is processed at the connecting position of the circumferential outer surface of the pressing ring (2) and the body (1).
5. A penetration-type fastening nut as claimed in claim 4, wherein: the distance that clamping ring caulking groove (13) extend to body (1) central axis direction is 1/2 of clamping ring (2).
6. A penetration-type fastening nut as claimed in claim 5, wherein: the clamping ring (8) comprises a clamping ring inclined surface (10), and the outer diameter of the clamping ring inclined surface (10) is gradually increased in the process of approaching the body (1); the bottom end of the clamping ring inclined plane (10) is connected with the clamping ring bottom surface (11), and the clamping ring bottom surface (11) is flush with the inner side surface of the body (1).
7. A penetration-type fastening nut as claimed in claim 6, wherein: and a snap ring groove (12) is processed between adjacent snap rings (8) on the circumferential outer side surface of the middle ring body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011386244.XA CN112412949B (en) | 2020-12-01 | 2020-12-01 | Penetrating type fastening nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011386244.XA CN112412949B (en) | 2020-12-01 | 2020-12-01 | Penetrating type fastening nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112412949A true CN112412949A (en) | 2021-02-26 |
| CN112412949B CN112412949B (en) | 2022-08-12 |
Family
ID=74829367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011386244.XA Active CN112412949B (en) | 2020-12-01 | 2020-12-01 | Penetrating type fastening nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112412949B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3736969A (en) * | 1966-09-22 | 1973-06-05 | H Warn | Pierce nut |
| US20030039530A1 (en) * | 2001-08-22 | 2003-02-27 | Gerold Ross | Self-punching fastener which in a way safe against rotation and pressing out can be pressed into a metal sheet |
| CN101438066A (en) * | 2006-04-25 | 2009-05-20 | 斯特罗姆肖尔曼股份公司 | Pierce nut and use thereof |
| CN103790918A (en) * | 2012-10-31 | 2014-05-14 | 东普雷股份有限公司 | Penetrating fastening nut and penetrating fastening nut combination body |
| CN108506317A (en) * | 2018-06-27 | 2018-09-07 | 浙江洪扬汽车零部件有限公司 | A kind of locking self-clinching nut |
-
2020
- 2020-12-01 CN CN202011386244.XA patent/CN112412949B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3736969A (en) * | 1966-09-22 | 1973-06-05 | H Warn | Pierce nut |
| US20030039530A1 (en) * | 2001-08-22 | 2003-02-27 | Gerold Ross | Self-punching fastener which in a way safe against rotation and pressing out can be pressed into a metal sheet |
| CN101438066A (en) * | 2006-04-25 | 2009-05-20 | 斯特罗姆肖尔曼股份公司 | Pierce nut and use thereof |
| CN103790918A (en) * | 2012-10-31 | 2014-05-14 | 东普雷股份有限公司 | Penetrating fastening nut and penetrating fastening nut combination body |
| CN108506317A (en) * | 2018-06-27 | 2018-09-07 | 浙江洪扬汽车零部件有限公司 | A kind of locking self-clinching nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112412949B (en) | 2022-08-12 |
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