Grooving and closing-up rivet

Abstract

The utility model discloses a slotting and closing-in rivet. The slotting and closing-in rivet comprises a main body, a connecting part and a closing-in part, the connecting part is integrally connected to the main body; the closing part is integrally connected to the connecting part; the closing-up part converges towards the central axis of the slotted closing-up rivet and is in a conical shape; a plurality of grooves are formed in the closing-up part, the length of the grooves is equal to the length of the curled edge after the slotted closing-up rivet is bloomed, and the grooves are arranged at intervals in the annular direction of the closing-up part; according to the grooving and closing rivet, the closing part and the connecting part can form a cone shape conveniently, and when the grooving and closing rivet is riveted, the groove cannot be clamped and scraped with the hole edge of a product, so that the automatic feeding function is achieved, manual feeding is avoided, and the working efficiency is improved; the groove is arranged in the groove, the opening is arranged at one end of the groove, and the opening is exposed at the end part of the closing part and is communicated with the external environment, so that metal powder scraps caused by tearing the rivet wall cannot be generated in the flowering process of the slotted closing rivet, the metal powder scraps are prevented from being in contact with a product, and the product is prevented from being scrapped.

Description

Technical Field

[0001] The utility model relates to the technical field of rivets, in particular to a slotted and closed rivet. Background Art

[0002] With the development of science and technology, rivets are used in industry. Rivets are used to press together multi-layer circuit boards. The existing ordinary slotted metal rivets are prone to cracking and deformation before riveting, and are stuck and scraped at the edge of the hole. They can only be manually installed and cannot be automatically loaded, resulting in low work efficiency. Utility Model Content

[0003] One purpose of the utility model is to provide a slotted closing rivet, wherein the connecting part is arranged on one side of the main body and is integrally connected to the main body, thereby ensuring the connection stability between the connecting part and the main body, improving the connection strength between the connecting part and the main body, and avoiding separation between the connecting part and the main body; the closing part is arranged on the side of the connecting part facing away from the main body and is integrally connected to the connecting part, thereby ensuring the connection stability between the closing part and the connecting part, improving the connection strength between the closing part and the connecting part, and avoiding separation between the closing part and the connecting part; the closing part converges to the central axis of the slotted closing rivet and is conical; the closing part is provided with a plurality of grooves, and the plurality of grooves are arranged at intervals along the annular direction of the closing part so that the closing part and the connecting part form a cone shape, and the grooves of the slotted closing rivet will not be stuck with the hole edge of the product when riveting, thereby realizing the automatic feeding function, avoiding manual feeding, and improving work efficiency.

[0004] At the same time, the length of the groove is the length of the curling of the slotted closing rivet after it blooms, and an opening is provided at one end of the groove, which is exposed to the end of the closing part and is connected to the external environment, so that the slotted closing rivet will not generate metal powder caused by tearing the rivet wall during the blooming process, thereby preventing the metal powder from contacting the product and avoiding product scrapping; further, the use of plastic rivets is avoided, the tensile strength is improved, and the slotted closing rivet is prevented from being deformed under subsequent high temperature and high pressure, thereby reducing costs.

[0005] To achieve the above object, the present invention provides a solution: a slotted and closed rivet, comprising:

[0006] main body;

[0007] A connecting portion, provided on one side of the main body and integrally connected to the main body;

[0008] The closing portion is arranged on the side of the connecting portion facing away from the main body and is integrally connected to the connecting portion; the closing portion converges toward the central axis of the slotted closing rivet and is conical in shape; the closing portion is provided with a plurality of grooves, the length of the grooves being the length of the curling of the slotted closing rivet after blooming, and the plurality of grooves are arranged at intervals along the annular direction of the closing portion; an opening is provided at one end of the groove, the opening is exposed at the end of the closing portion, and is connected to the external environment.

[0009] Optionally, the aperture of the connecting portion is D1;

[0010] The aperture of the end portion of the closing portion is D2, which is smaller than D1.

[0011] Optionally, the aperture of the closing portion gradually decreases along the direction of the connecting portion facing away from the main body.

[0012] Optionally, the closing portion is provided with a plurality of closing arms, the plurality of closing arms are interconnected, and one closing arm is provided between two adjacent grooves.

[0013] Optionally, the closing arm is inclined toward the central axis of the slotted closing rivet.

[0014] Optionally, the groove is a U-shaped groove, and the length of the groove is the length of the curling of the slotted closing rivet after it blooms.

[0015] Optionally, the connecting portion is annular.

[0016] Optionally, the main body is arranged on the peripheral side of the connecting portion and protrudes outward.

[0017] Optionally, the main body and the closing portion are used to press against the circuit board; the connecting portion and the closing portion penetrate the connecting hole of the circuit board when riveting, and the closing portion is pressed flat against the opposite side of the main body after riveting is completed.

[0018] Optionally, the main body is an annular sheet.

[0019] The beneficial effects of the present invention are:

[0020] The utility model provides a slotted closing rivet, wherein the connecting part is arranged at one side of the main body and is connected to the main body in an integral manner, ensuring the connection stability between the connecting part and the main body, improving the connection strength between the connecting part and the main body, and avoiding separation between the connecting part and the main body; the closing part is arranged at the side of the connecting part facing away from the main body and is connected to the connecting part in an integral manner, ensuring the connection stability between the closing part and the connecting part, improving the connection strength between the closing part and the connecting part, and avoiding separation between the closing part and the connecting part; the closing part converges to the central axis of the slotted closing rivet and is tapered; the closing part is provided with a plurality of grooves, the length of the grooves being the length of the curling edge of the slotted closing rivet after blooming, and the plurality of grooves are arranged at intervals along the annular direction of the closing part so that the closing part and the connecting part form a cone shape, and the grooves of the slotted closing rivet will not be stuck with the hole edge of the product when riveting, thereby realizing the automatic feeding function, avoiding manual feeding, and improving work efficiency.

[0021] At the same time, an opening is provided at one end of the groove, which is exposed at the end of the closing portion and is connected to the external environment, so that the slotted closing rivet will not generate metal powder caused by tearing the rivet wall during the opening process, thereby preventing the metal powder from contacting the product and avoiding product scrapping; further, the use of plastic rivets is avoided, the tensile strength is improved, and the slotted closing rivet is prevented from being deformed under subsequent high temperature and high pressure, thereby reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0023] Figure 1 This is a schematic diagram of the assembly structure of the slotted closing rivet provided in the embodiment of the present utility model;

[0024] Figure 2 This is a schematic diagram of the assembly structure of another state of the slotted closing rivet provided in the embodiment of the present utility model;

[0025] Figure 3 This is a front view of the assembly structure of the slotted closing rivet provided in the embodiment of the present utility model;

[0026] Figure 4 Shown Figure 3 A partial enlarged view of the middle A;

[0027] Figure 5 It is a cross-sectional view of the assembly structure of the slotted and closed rivet provided in an embodiment of the utility model.

[0028] Description of Figure Numbers:

[0029] 100. Slotted and closed rivets;

[0030] 10. Subject;

[0031] 20. Connecting part;

[0032] 30. Closure portion; 30a. Groove; 30b. Opening; 31. Closure support arm. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Please refer to the attached Figures 1 to 5 An embodiment of the present application provides a slotted and closed-end rivet 100, which is used to press a multi-layer circuit board to prevent the multi-layer circuit board from deflecting.

[0035] Please refer to the attached Figures 1 to 5 In the present invention, the slotted closing rivet 100 includes a main body 10, a connecting portion 20 and a closing portion 30. The connecting portion 20 is arranged on the lower side of the main body 10, and the closing portion 30 is arranged on the lower side of the connecting portion 20. The connecting portion 20 is integrally connected to the main body 10, ensuring the connection stability between the connecting portion 20 and the main body 10, improving the connection strength between the connecting portion 20 and the main body 10, and avoiding the separation between the connecting portion 20 and the main body 10; the closing portion 30 is arranged on the side of the connecting portion 20 facing away from the main body 10, and is integrally connected to the connecting portion 20, ensuring the connection stability between the closing portion 30 and the connecting portion 20, improving the closing portion The connection strength between the closing portion 30 and the connecting portion 20 avoids the separation between the closing portion 30 and the connecting portion 20; the closing portion 30 converges toward the central axis of the slotted closing rivet 100 and is tapered; the closing portion 30 is provided with a plurality of grooves 30a, the length of the grooves 30a is the length of the curling of the slotted closing rivet 100 after opening, and the plurality of grooves 30a are arranged at intervals along the annular direction of the closing portion 30 so that the closing portion 30 and the connecting portion 20 form a cone shape, and the grooves 30a of the slotted closing rivet 100 will not be stuck with the hole edge of the product when riveting, thereby realizing the automatic loading function, avoiding manual loading, and improving work efficiency.

[0036] At the same time, an opening 30b is provided at one end of the groove 30a, and the opening 30b is exposed at the end of the closing portion 30 and is connected to the external environment, so that the slotted closing rivet 100 will not generate metal powder caused by tearing the rivet wall during the opening process, thereby preventing the metal powder from contacting the product and avoiding product scrapping; further, the use of plastic rivets is avoided, the tensile strength is improved, and the slotted closing rivet 100 is prevented from being deformed under subsequent high temperature and high pressure, thereby reducing costs.

[0037] Please refer to the attached Figures 1 to 5 In the present invention, the main body 10 serves as a supporting component of the slotted and closed rivet 100 , and the main body 10 is used to support the connecting portion 20 and the closing portion 30 .

[0038] Please refer to the attached Figures 1 to 5 In the present invention, the connecting portion 20 is arranged on the lower side of the main body 10, and the connecting portion 20 is integrally connected to the main body 10, so that the connecting portion 20 is fixed to the lower side of the main body 10, ensuring the connection stability between the connecting portion 20 and the main body 10, improving the connection strength between the connecting portion 20 and the main body 10, and avoiding the separation between the connecting portion 20 and the main body 10. Optionally, the connecting portion 20 is annular.

[0039] Please refer to the attached Figures 1 to 5 In the present invention, the closing portion 30 is arranged on the side of the connecting portion 20 facing away from the main body 10 and is integrally connected to the connecting portion 20, so that the closing portion 30 is fixed to the side of the connecting portion 20 facing away from the main body 10; the connection stability between the closing portion 30 and the connecting portion 20 is ensured, the connection strength between the closing portion 30 and the connecting portion 20 is improved, and the separation between the closing portion 30 and the connecting portion 20 is avoided.

[0040] The closing portion 30 converges toward the central axis of the slotted closing rivet 100 and is tapered; the closing portion 30 is provided with a plurality of grooves 30a, the length of the grooves 30a being the length of the curling edge of the slotted closing rivet 100 after opening, and the plurality of grooves 30a are spaced apart along the annular direction of the closing portion 30 so that the closing portion 30 and the connecting portion 20 form a cone shape. When the slotted closing rivet 100 is riveted, the grooves 30a will not be stuck or scraped against the edge of the product hole, thereby realizing the automatic loading function, avoiding manual loading, and improving work efficiency.

[0041] At the same time, an opening 30b is provided at one end of the groove 30a, and the opening 30b is exposed at the end of the closing portion 30 and is connected to the external environment, so that the slotted closing rivet 100 will not generate metal powder caused by tearing the rivet wall during the opening process, thereby preventing the metal powder from contacting the product and avoiding product scrapping; further, the use of plastic rivets is avoided, the tensile strength is improved, and the slotted closing rivet 100 is prevented from being deformed under subsequent high temperature and high pressure, thereby reducing costs.

[0042] Please refer to the attached Figures 1 to 5 In the present invention, the aperture of the connecting portion 20 is D1; ​​the aperture of the end of the closing portion 30 is D2, and D2 is smaller than D1, so that the outer contour of the closing portion 30 is smaller than the outer contour of the connecting portion 20, so that the connecting portion 20 and the connecting portion 20 form a cone shape, so that the groove 30a of the slotted closing rivet 100 will not be stuck with the hole edge of the product during riveting, thereby realizing the automatic loading function, avoiding manual loading, and improving work efficiency.

[0043] Please refer to the attached Figures 1 to 5 In the present invention, the aperture of the closing portion 30 is gradually reduced along the direction of the connecting portion 20 facing away from the main body 10, so that the outer diameter of the closing portion 30 and the outer diameter of the connecting portion 20 are reduced from top to bottom, thereby facilitating the closing portion 30 and the connecting portion 20 to form a cone shape downward, so that the groove 30a of the slotted closing rivet 100 will not be stuck and scraped against the hole edge of the product during riveting, thereby realizing the automatic loading function, avoiding manual loading, and improving work efficiency.

[0044] Please refer to the attached Figures 1 to 5 In the present invention, the closing portion 30 is provided with a plurality of closing arms 31, and the plurality of closing arms 31 are interconnected. A closing arm 31 is provided between two adjacent grooves 30a, so that the plurality of closing arms 31 are enclosed to form a closing portion 30, and the groove 30a is located between two adjacent closing arms 31, so that the closing arms 31 will not be stuck with the edge of the product hole when riveting, thereby realizing the automatic feeding function, avoiding manual feeding, and improving work efficiency. At the same time, the closing arms 31 will not generate metal powder caused by tearing the rivet wall during the riveting process, thereby preventing the metal powder from contacting the product and avoiding product scrapping.

[0045] Please refer to the attached Figures 1 to 5 In the present invention, the closing arm 31 is inclined toward the central axis of the slotted closing rivet 100 so that the upper side of the closing arm 31 is closer to the outside relative to the lower side of the closing arm 31, thereby facilitating the closing arm 31 to tilt downward, and further facilitating multiple closing arms 31 to enclose and form a conical closing portion 30.

[0046] Please refer to the attached Figures 1 to 5 In the present invention, the groove 30a is a U-shaped groove, and the length of the groove 30a is the length of the curling of the slotted closing rivet 100 after opening, so that the notch of the groove 30a faces downward, so that the slotted closing rivet 100 will not generate metal powder caused by tearing the rivet wall during the opening process, thereby preventing the metal powder from contacting the product, avoiding product scrapping, and ensuring product performance.

[0047] Please refer to the attached Figures 1 to 5In the present invention, the main body 10 is arranged on the peripheral side of the connecting portion 20 and protrudes outward so that the main body 10 is fixed to the outer peripheral side of the connecting portion 20, thereby facilitating the outer diameter of the main body 10 to be larger than the outer diameter of the connecting portion 20, thereby facilitating the slotted closing rivet 100 to clamp the product with the closing portion 30 during riveting, thereby ensuring the stability of the slotted closing rivet 100 relative to the product and preventing the product from shifting.

[0048] Please refer to the attached Figures 1 to 5 In the present invention, the main body 10 is used to press the circuit board; the connecting portion 20 and the closing portion 30 are provided with connecting holes of the circuit board, so that the closing portion 30 can clamp the circuit board with the main body 10 after opening, thereby ensuring the stability of the slotted closing rivet 100 relative to the circuit board and preventing the circuit board from shifting. Optionally, the main body 10 is an annular sheet.

[0049] The beneficial effects of the present invention are:

[0050] The utility model provides a slotted closing rivet 100, wherein the connecting portion 20 is arranged on one side of the main body 10 and is integrally connected to the main body 10, thereby ensuring the connection stability between the connecting portion 20 and the main body 10, improving the connection strength between the connecting portion 20 and the main body 10, and avoiding the connection between the connecting portion 20 and the main body 10; the closing portion 30 is arranged on the side of the connecting portion 20 facing away from the main body 10, and is integrally connected to the connecting portion 20, thereby ensuring the connection stability between the closing portion 30 and the connecting portion 20, improving the connection strength between the closing portion 30 and the connecting portion 20, and avoiding The closing portion 30 is separated from the connecting portion 20; the closing portion 30 converges toward the central axis of the slotted closing rivet 100 and is tapered; the closing portion 30 is provided with a plurality of grooves 30a, the length of the grooves 30a being the length of the curling of the slotted closing rivet 100 after opening, and the plurality of grooves 30a are arranged at intervals along the annular direction of the closing portion 30 so that the closing portion 30 and the connecting portion 20 form a cone shape. When the slotted closing rivet 100 is riveted, the grooves 30a will not be stuck with the edge of the product hole, thereby realizing the automatic loading function, avoiding manual loading, and improving work efficiency.

[0051] At the same time, an opening 30b is provided at one end of the groove 30a, and the opening 30b is exposed at the end of the closing portion 30 and is connected to the external environment, so that the slotted closing rivet 100 will not generate metal powder caused by tearing the rivet wall during the opening process, thereby preventing the metal powder from contacting the product and avoiding product scrapping; further, the use of plastic rivets is avoided, the tensile strength is improved, and the slotted closing rivet 100 is prevented from being deformed under subsequent high temperature and high pressure, thereby reducing costs.

[0052] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship and movement status of the various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0053] It should also be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or indirectly connected to the other element through an intervening element.

[0054] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0055] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A slotted rivet, characterized in that: include: main body; A connecting portion, provided on one side of the main body and integrally connected to the main body; The closing portion is arranged on the side of the connecting portion facing away from the main body and is integrally connected to the connecting portion; the closing portion converges toward the central axis of the slotted closing rivet and is conical in shape; the closing portion is provided with a plurality of grooves, the length of the grooves being the length of the curling of the slotted closing rivet after blooming, and the plurality of grooves are arranged at intervals along the annular direction of the closing portion; an opening is provided at one end of the groove, the opening is exposed at the end of the closing portion, and is connected to the external environment.

2. The slotted and closed rivet according to claim 1, characterized in that: The aperture of the connecting portion is D1; The aperture of the end portion of the closing portion is D2, which is smaller than D1.

3. The slotted and closed rivet according to claim 2, characterized in that: The aperture of the closing portion gradually decreases along the direction from the connecting portion to the main body.

4. The slotted and closed rivet according to claim 3, characterized in that: The closing portion is provided with a plurality of closing arms, the plurality of closing arms are interconnected, and one closing arm is provided between two adjacent grooves.

5. The slotted and closed rivet according to claim 4, characterized in that: The closing support arm is inclined toward the central axis of the slotted closing rivet.

6. The slotted and closed rivet according to claim 1, characterized in that: The groove is a U-shaped groove, and the length of the groove is the length of the curling of the slotted closing rivet after it blooms.

7. The slotted and closed rivet according to claim 1, characterized in that: The connecting portion is in a circular ring shape.

8. The slotted and closed rivet according to claim 7, characterized in that: The main body is arranged on the peripheral side of the connecting portion and protrudes outward.

9. The slotted and closed rivet according to claim 8, characterized in that: The main body is used to press the circuit board; the connecting portion and the closing portion are penetrated by connecting holes of the circuit board when riveting, and the closing portion is pressed flat against the opposite side of the main body after riveting is completed.

10. The slotted and closed rivet according to claim 8, characterized in that: The main body is an annular sheet.

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