CN218760763U - Mechanical seal self-clinching fastener - Google Patents
Mechanical seal self-clinching fastener Download PDFInfo
- Publication number
- CN218760763U CN218760763U CN202223166449.4U CN202223166449U CN218760763U CN 218760763 U CN218760763 U CN 218760763U CN 202223166449 U CN202223166449 U CN 202223166449U CN 218760763 U CN218760763 U CN 218760763U
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- China
- Prior art keywords
- guide unit
- flange portion
- positioning guide
- mechanical seal
- fastener
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- Insertion Pins And Rivets (AREA)
Abstract
The utility model discloses a mechanical seal is from buckleing tight firmware, it is used for being connected with panel, be provided with the through-hole on the panel, the fastener includes: the outer side of the end part of the rod body is annularly provided with a flange part; the positioning guide unit is arranged on one side of the rod body, the positioning guide unit is far away from the flange part, the outer diameter of one end of the rod body is close to the flange part, and the cross section of one end of the rod body is the same as that of the through hole. The utility model discloses it is more nimble changeable to use the scene, can use in the comparatively compact structure in space, has reduced the space that occupies. In addition, the mounting of the waterproof and dustproof cover can achieve very good sealing, dustproof and waterproof capabilities.
Description
Technical Field
The utility model relates to a fastener field, specific is a mechanical seal is from buckleing tight firmware.
Background
The fastener is a mechanical part which is used for fastening connection and has extremely wide application. In the in-service use process, often need be connected fastener and panel, current fastener include the body of rod with set up in flange portion around the body of rod is provided with blind hole or flower tooth structure in flange portion and makes flange portion can and panel between produce extrusion deformation to it is connected between flange portion and the panel to make partial panel produce deformation, and then realizes the effect of being connected between fastener and the panel. However, in the fastener in the prior art, in the structure after the fastener is connected with the plate, the flange part protrudes out of the plate, so that the space of one side of the plate close to the flange is limited by the flange part, the fastener cannot be used in a structure with a compact space, and the problem of overlarge occupied space exists. In addition, because only realize through the extrusion deformation of blind hole or flower tooth for contact and the deformation area between panel and the fastener are less, lead to the bonding property relatively poor, and its dustproof and waterproof's of connecting back structure self effect is not good, still need coat sealed glue on the flange portion when needs realize sealed effect, wastes time and energy.
SUMMERY OF THE UTILITY MODEL
To overcome the deficiencies in the prior art, embodiments of the present invention provide a mechanical seal self-clinching fastener for addressing one or more of the above-mentioned problems.
The embodiment of the application discloses: a mechanical seal self-clinching fastener for connection to a panel, the panel having a through-hole provided therein, the fastener comprising: the outer side of the end part of the rod body is annularly provided with a flange part, and the sectional area of the flange part in the direction vertical to the thickness of the flange part is larger than the sectional area of the through hole in the direction vertical to the thickness of the through hole; the positioning guide unit is connected with the end part, close to the flange part, of the rod body, is arranged on one side, far away from the rod body, of the flange part, the outer diameter of the positioning guide unit is gradually reduced from one end, far away from the rod body, of the positioning guide unit to one end, close to the flange part, of the positioning guide unit, so that a material containing cavity is formed between one end, far away from the flange part, of the positioning guide unit and the flange part, and the cross section shape of one end, far away from the rod body, of the positioning guide unit is the same as that of the through hole; the fastener with in-process is riveted to the through-hole pressure on the panel, the location guide unit is kept away from the one end of the body of rod stretches into the through-hole, flange portion closes on one side of location guide unit with panel butt will this part gradually the panel extrusion extremely hold in the material chamber to the flange portion after making the pressure rivet keep away from the side of location guide unit with panel parallel and level.
Further, the side face of the flange part far away from the positioning guide unit and the end part of the positioning guide unit far away from the flange part form a preset distance in the thickness direction of the flange part, and the preset distance is the same as the thickness of the plate.
Further, the rod body is internally provided with an internal thread extending along the thickness direction of the flange part.
Further, the outer diameter of the positioning guide unit is uniformly reduced from one end, away from the rod body, of the positioning guide unit to one end, close to the flange portion, of the positioning guide unit, so that the gradient of the positioning guide unit of the portion of the positioning guide unit is kept the same.
Furthermore, one side of the flange part, which is close to the positioning and guiding unit, is provided with a conical annular structure extending along the thickness direction of the flange part, and the conical annular structure is annularly arranged on the flange part.
Further, the plate is made of copper or aluminum.
Further, the cross-sectional shape of the flange portion perpendicular to the thickness direction thereof is a polygon.
Further, in a sectional shape of the flange portion perpendicular to a thickness direction thereof, the outer ring is provided with outwardly extending spline portions.
Further, one end of the positioning guide unit, which is away from the flange portion, has a fixing portion extending in a thickness direction of the flange portion in a circumferential direction thereof.
Further, the cross-sectional shape of the through hole in the direction perpendicular to the thickness direction of the plate material is circular, and the cross-sectional radius of the flange portion in the thickness direction thereof is larger than the cross-sectional radius of the plate material.
The utility model has the advantages as follows:
1. through carrying out extrusion deformation with the panel of flange portion butt part to in getting into holding the material chamber, can be so that the structure after the connection realizes can providing high performance torsion resistance and anti ejecting power ability, can not lose the support bearing effect of flange again, and the flange can be hidden in by the installation panel, make its installation back structure level and compact, especially use and need the scene of leveling relatively at installation back structure restriction, thereby its application scene is more nimble changeable, can use in the comparatively compact structure in space, the space that has reduced to occupy. In addition, because the plate abutted to the flange part is integrally extruded into the material accommodating cavity and is a tight self-fastening blind hole fastener, the sealing, dust-proof and water-proof capabilities of the plate after installation can be achieved.
2. After the fastening piece is connected with the plate, the end part of the flange part, which is far away from the positioning guide unit, can be abutted against one side of the plate, the side surface of the flange part, which is far away from the positioning guide unit, can be in the same plane with the other side of the plate, so that the fastening piece is better in connection effect with the plate, and the structure after connection has better sealing and connection performances.
3. The internal thread can enable the fastener to be connected with the bolt, so that the bolt can fasten the rest of plates and the plates connected to the fastener, and a good connecting effect is achieved.
4. In the process that the plate is extruded by the flange part to deform, the positions of the positioning and guiding units can uniformly apply pressure to the plate, and in the process, the plate can be guided by the positioning and guiding units, so that the plate can completely enter the material accommodating cavity, and the guide performance and the accommodating performance of the fastener on the plate are better.
5. The conical annular structure can pierce the plate in the riveting process of the plate and the flange part, so that relative movement between the fastener and the plate in the plane direction perpendicular to the thickness of the flange part can be avoided, and the connecting effect of the plate and the fastener is better.
6. After the riveting, the outer diameter of the flange part can limit the plate, so that the plate and the fastener are limited to rotate relatively along the circumferential direction of the flange part, and the plate and the fastener are better in connection effect.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a first embodiment of a mechanical seal self-clinching fastener in an embodiment of the invention;
FIG. 2 is a schematic structural view of a second embodiment of a mechanical seal self-clinching fastener of an embodiment of the invention;
FIG. 3 is a schematic structural view of a third embodiment of a mechanical seal self-clinching fastener of an embodiment of the invention;
fig. 4 is a schematic structural view of the mechanical seal self-clinching fastener of the embodiment of the present invention before it is connected to the plate;
FIG. 5 is a schematic cross-sectional view of a mechanical seal self-clinching fastener in an embodiment of the invention;
fig. 6 is a schematic structural view of the mechanical seal self-clinching fastener of the embodiment of the present invention after being connected to a plate;
reference numerals of the above figures: 1. a rod body; 2. a flange portion; 3. a positioning guide unit; 4. a material containing cavity; 5. a conical ring-shaped structure; 6. a fixed part; 7. a plate material; 71. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 6, the mechanical seal self-clinching fastener of this embodiment is used for connecting with a sheet material 7, and the side of the sheet material 7 adjacent to the fastener may be a flat surface, so that the overall structure of the subsequent fastener after connecting with the sheet material 7 is more flat, and of course, in other alternative embodiments, the specific shape of the sheet material 7 may be adjusted according to specific needs. Be provided with through-hole 71 on the panel 7, through-hole 71 be used for with the fastener rivets, the fastener includes:
the rivet pressing device comprises a rod body 1, wherein a flange part 2 can be arranged on the outer side of the end part of the rod body 1 in a surrounding mode, the sectional area, perpendicular to the thickness direction, of the flange part 2 is larger than that of the through hole 71, the sectional area, perpendicular to the thickness direction, of the through hole 71 is larger than that of the through hole 71, so that the flange part 2 can be abutted to a plate 7 around the through hole 71, and pressure is applied to the plate 7 in the follow-up riveting process to enable the plate 7 to deform.
In this embodiment, in the process of press riveting the fastener and the through hole 71 on the plate 7, one end of the positioning and guiding unit 3, which is far away from the rod body 1, extends into the through hole 71, so that one end of the positioning and guiding unit 3, which is far away from the rod body 1, can be abutted against the inner wall of the through hole 71, one side of the flange part 2, which is close to the positioning and guiding unit 3, is abutted against the plate 7 and gradually extrudes the part of the plate 7 into the material accommodating cavity 4, so that the side surface, which is far away from the positioning and guiding unit 3, of the flange part 2 after press riveting is flush with the plate 7.
Borrow by above-mentioned structure, through carrying out extrusion deformation with 2 butt partial panel 7 of flange portion, and get into and hold in the material chamber 4, can make the structure after the connection realize providing high performance torsion resistance and anti ejecting power ability, can not lose the support bearing effect of flange portion 2 again, and flange portion 2 can be hidden in by installation panel 7, make its installation back structure level and compactness, especially use in installation back structure restriction and need the scene of leveling relatively, thereby its applied scene is more nimble changeable, can use in the structure that the space is comparatively compact, the space that has reduced to occupy. In addition, because the plate 7 abutted against the flange part 2 is integrally extruded into the material accommodating cavity 4 and is a tight self-fastening blind hole fastener, the excellent sealing, dust-proof and water-proof capabilities can be achieved after the plate is installed.
Specifically, the flange part 2 is far away from the side face of the positioning guide unit 3 and the positioning guide unit 3 is far away from the end part of the flange part 2, which is formed in the thickness direction of the flange part 2, and the preset distance is the same as the thickness of the plate 7. Therefore, after the fastening piece is connected with the plate 7, the end part, far away from the flange part 2, of the positioning guide unit 3 can be abutted against one side of the plate 7, the side face, far away from the positioning guide unit 3, of the flange part 2 can be located on the same plane with the other side of the plate 7, and therefore the fastening piece is better in connection effect with the plate 7, and the structure after connection has better sealing and connection performance.
Specifically, the inside of the rod body 1 is provided with an internal thread extending along the thickness direction of the flange part 2. The inside blind hole that can be of the body of rod 1 to make the inside better sealed, waterproof and dustproof performance of having of the body of rod 1, certainly, in other optional embodiment, the body of rod 1 also can be other structures that can hold the internal thread such as through structure. The internal thread enables the fastener to be connected with the bolt, so that the bolt (not shown) can fasten the rest of the plates 7 with the plates 7 connected with the fastener, thereby having better connection effect.
Specifically, the outer diameter of the positioning guide unit 3 is uniformly reduced from the end thereof far away from the rod body 1 to the end thereof near the flange part 2, so that the gradient of the positioning guide unit 3 at the part thereof is kept the same. Therefore, in the process that the plate 7 is extruded by the flange part 2 to deform, the positions of the positioning guide units 3 can uniformly apply pressure to the plate 7, and in the process, the plate 7 can be guided by the positioning guide units 3, so that the plate 7 can completely enter the material containing cavity 4, and the guide performance and the containing performance of the fastener for the plate 7 are better.
Specifically, one side of the flange part 2, which is close to the positioning and guiding unit 3, is provided with a conical annular structure 5 extending along the thickness direction of the flange part, and the conical annular structure 5 is annularly arranged on the flange part 2. By conical it is meant that its thickness decreases in a direction away from the flange part 2, thereby forming a conical structure facing the sheet 7, and by annular it is meant that it is provided around said flange part 2. The conical ring-shaped structure 5 can penetrate into the plate 7 in the riveting process of the plate 7 and the flange part 2, so that relative movement between the fastener and the plate 7 in the plane direction perpendicular to the thickness of the flange part 2 can be avoided, and the connection effect of the plate 7 and the fastener is better.
Specifically, panel 7 is copper or aluminium material to make panel 7's pliability can be higher, and then makes at the riveting in-process panel 7 can have better extrusion deformation effect, and makes the structure after connecting produce better waterproof and dustproof ability in view of the above.
Specifically, the cross-sectional shape of the flange portion 2 perpendicular to the thickness direction thereof may be a polygon. Therefore, after the riveting, the outer diameter of the flange part 2 and the plate 7 can be limited, so that the plate 7 and the fastener are limited to rotate relatively along the circumferential direction of the flange part 2, and the plate 7 and the fastener are better in connection effect.
Specifically, the flange portion 2 is provided with outwardly extending serrations on the outer ring in a sectional shape perpendicular to the thickness direction thereof. Therefore, after the riveting, the outer diameter of the flange part 2 and the plate 7 can be limited, so that the plate 7 and the fastener are limited to rotate relatively along the circumferential direction of the flange part 2, and the plate 7 and the fastener are better in connection effect.
Specifically, one end of the positioning guide unit 3 remote from the flange portion 2 has a fixing portion 6 extending in the thickness direction of the flange portion 2 in the circumferential direction thereof. Accordingly, the cross-sectional shape of the fixing portion 6 in the direction perpendicular to the thickness direction of the flange portion 2 may be the same as the through hole 71, so that the fixing portion 6 as a whole can abut against the inside of the through hole 71, thereby improving the positioning effect between the positioning guide unit 3 and the plate material 7.
Specifically, the cross-sectional shape of the through hole 71 in the direction perpendicular to the thickness direction of the plate 7 is circular, and the cross-sectional radius of the flange portion 2 in the thickness direction thereof is larger than the cross-sectional radius of the plate 7. Therefore, the plate 7 around the through hole 71 can be abutted against the flange part 2 and is extruded by the flange part 2, and the plate 7 and the flange part 2 can be connected well.
The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A mechanical seal self-clinching fastener for connection to a panel, the panel having a through-hole formed therein, the fastener comprising:
the outer side of the end part of the rod body is annularly provided with a flange part, and the sectional area of the flange part in the direction vertical to the thickness of the flange part is larger than the sectional area of the through hole in the direction vertical to the thickness of the through hole;
the positioning guide unit is connected with the end part, close to the flange part, of the rod body, is arranged on one side, far away from the rod body, of the flange part, the outer diameter of the positioning guide unit is gradually reduced from one end, far away from the rod body, of the positioning guide unit to one end, close to the flange part, of the positioning guide unit, so that a material containing cavity is formed between one end, far away from the flange part, of the positioning guide unit and the flange part, and the cross section shape of one end, far away from the rod body, of the positioning guide unit is the same as that of the through hole;
the fastener with in-process is riveted to the through-hole pressure on the panel, the location guide unit is kept away from the one end of the body of rod stretches into the through-hole, flange portion closes on one side of location guide unit with panel butt will this part gradually the panel extrusion extremely hold in the material chamber to the flange portion after making the pressure rivet keep away from the side of location guide unit with panel parallel and level.
2. The mechanical seal self-clinching fastener of claim 1, wherein a side of the flange portion remote from the positioning guide unit forms a predetermined distance in a thickness direction of the flange portion with an end of the positioning guide unit remote from the flange portion, the predetermined distance being the same as a thickness of the plate material.
3. The mechanical seal self-clinching fastener of claim 1, wherein the shank is internally threaded to extend through the thickness of the flange portion.
4. The mechanical seal self-clinching fastener of claim 1, wherein the outer diameter of the positioning guide unit is uniformly reduced from an end thereof remote from the shank to an end thereof adjacent to the flange portion, so that the slope of the positioning guide unit of the portion thereof is maintained the same.
5. The mechanical seal self-clinching fastener of claim 1, wherein a side of the flange portion adjacent to the positioning guide unit is provided with a tapered annular structure extending in a thickness direction thereof, the tapered annular structure being annularly provided on the flange portion.
6. The mechanical seal self-clinching fastener of claim 1, wherein the sheet material is copper or aluminum.
7. The mechanical seal self-clinching fastener of claim 1, wherein the flange portion is polygonal in cross-sectional shape perpendicular to its thickness.
8. The mechanical seal self-clinching fastener of claim 1, wherein the flange portion has, in cross-sectional shape perpendicular to its thickness, an outwardly extending spline portion on the outer ring.
9. The mechanical seal self-clinching fastener of claim 1, wherein an end of the positioning guide unit remote from the flange portion has a fixing portion extending in a thickness direction of the flange portion in a circumferential direction thereof.
10. The mechanical seal self-clinching fastener of claim 1, wherein the through-hole is circular in cross-sectional shape perpendicular to the thickness of the sheet material, and the flange portion has a larger cross-sectional radius in the thickness direction than the sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223166449.4U CN218760763U (en) | 2022-11-29 | 2022-11-29 | Mechanical seal self-clinching fastener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223166449.4U CN218760763U (en) | 2022-11-29 | 2022-11-29 | Mechanical seal self-clinching fastener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218760763U true CN218760763U (en) | 2023-03-28 |
Family
ID=85675238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223166449.4U Active CN218760763U (en) | 2022-11-29 | 2022-11-29 | Mechanical seal self-clinching fastener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218760763U (en) |
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2022
- 2022-11-29 CN CN202223166449.4U patent/CN218760763U/en active Active
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