CN111853019A

CN111853019A - Electronic device and rivet

Info

Publication number: CN111853019A
Application number: CN202010795690.XA
Authority: CN
Inventors: 刘苑辉; 杨仲凯
Original assignee: Comba Telecom Technology Guangzhou Ltd
Current assignee: Comba Telecom Technology Guangzhou Ltd; Comba Telecom Systems Guangzhou Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2020-10-30

Abstract

The invention discloses an electronic device and a rivet, wherein the rivet comprises a rivet sleeve and a rivet core, the rivet sleeve is provided with a matching hole penetrating through two ends of the rivet sleeve, one end of the rivet sleeve is provided with a limiting convex body, the rivet sleeve is also provided with a notch, the notch is communicated with the matching hole, and the notch penetrates through the end part of the other end of the rivet sleeve from a preset position of the side wall of the matching hole; the nail core includes the nail pole and sets up in the head of a nail of the one end of nail pole, the head of a nail be equipped with spacing complex cooperation portion of spacing convex body, the nail pole can insert in the mating holes for the breach grow, and spacing convex body and the spacing cooperation of cooperation portion make the nail pole stopping. The rivet has the backstop function, so that the backstop is not required to be carried out by using glue dripping, and the labor cost is favorably reduced. This electronic equipment has adopted this rivet, can reduce the glue dripping process, reduces the cost of labor, improves production packaging efficiency.

Description

Electronic device and rivet

Technical Field

The present invention relates to the field of connection technologies, and in particular, to an electronic device and a rivet.

Background

At present, in the base station antenna, the rivet is an indispensable basic material, can carry out rapid Assembly, is favorable to promoting the convenience of base station antenna assembly.

The number of rivets required for a base station antenna may range from tens to hundreds, so that the reliability of the rivets also often determines the overall assembly reliability of the base station antenna. In the conventional technology, in order to ensure the reliability of the rivet, after the riveting is completed, the rivet is still prevented from retreating by adopting a glue dripping scheme, so that the connection failure caused by the retreat of the rivet is avoided. However, the glue dripping treatment is adopted, so that the labor cost is increased, the risk of missing glue dripping exists, and the reliability of the base station antenna is influenced.

Disclosure of Invention

Accordingly, there is a need for an electronic device and a rivet. The rivet has the backstop function, so that the backstop is not required to be carried out by using glue dripping, and the labor cost is favorably reduced. This electronic equipment has adopted this rivet, can reduce the glue dripping process, reduces the cost of labor, improves production packaging efficiency.

The technical scheme is as follows:

on one hand, the rivet comprises a rivet sleeve and a rivet core, wherein the rivet sleeve is provided with a matching hole penetrating through two ends of the rivet sleeve, one end of the rivet sleeve is provided with a limiting convex body, the rivet sleeve is also provided with a notch, the notch is communicated with the matching hole, and the notch penetrates through the end part of the other end of the rivet sleeve from a preset position of the side wall of the matching hole; the nail core includes the nail pole and sets up in the head of a nail of the one end of nail pole, the head of a nail be equipped with spacing complex cooperation portion of spacing convex body, the nail pole can insert in the mating holes for the breach grow, and spacing convex body and the spacing cooperation of cooperation portion make the nail pole stopping.

When the rivet is used, the rivet sleeve is inserted into at least two elements to be connected, then the rivet rod is inserted into the matching hole, and the notch is extruded, so that the part of the rivet sleeve becomes large, and the body of the rivet sleeve after the part becomes large is matched with the limiting convex body to form a riveting and fixing structure, so that the elements are connected together. In the process, the matching part is matched with the limiting convex body in a limiting way, so that the nail rod can stop, the body of the nail sleeve after the part is enlarged cannot be reduced, the riveting reliability is guaranteed, the nail rod does not need to be fixed by glue dripping, and the nail rod is prevented from retreating from the matching hole. The rivet has the backstop function, so that the backstop is not required to be carried out by using glue dripping, and the labor cost is favorably reduced.

The technical solution is further explained below:

in one embodiment, the matching part is provided with a groove for accommodating the nail sleeve and a clamping groove arranged in the groove, and the limiting convex body is in snap fit with the clamping groove.

In one embodiment, the limiting convex body is arranged on the side surface of the nail sleeve in a protruding mode, the limiting convex body is an elastic bulge or an elastically resettable bulge, the clamping groove is a clamping hole arranged on the side surface of the groove, and the clamping hole is in clamping fit with the bulge.

In one embodiment, at least two limiting convex bodies are convexly arranged on the side surface of the nail sleeve, the matching part is provided with at least two clamping bodies which are arranged at intervals with the bottom wall of the groove to form a clamping groove, and an inlet and an outlet for the limiting convex bodies to penetrate are arranged between every two adjacent clamping bodies.

In one embodiment, all the limiting convex bodies are uniformly arranged at intervals along the same circumference, and the notches and the clamping bodies correspond to the limiting convex bodies one to one.

In one embodiment, the card body or the limit convex body is provided with a lead-in structure.

In one embodiment, the bottom wall of the card body or the groove is provided with a rotation stopping part, and the rotation stopping part and the leading-in structure are arranged at intervals.

In one embodiment, the limiting convex body is provided with a first elastic extrusion layer, and the first elastic extrusion layer is arranged in the clamping groove in an extrusion manner; or/and the bottom wall of the groove or the clamping body is provided with a second elastic extrusion layer, and the second elastic extrusion layer is extruded and arranged in the clamping groove.

In one embodiment, the matching hole comprises a conical hole arranged at the notch, and the nail rod is of a cylindrical structure; or/and the mating holes are provided with internal thread structures, the internal thread structures are arranged at one end of the nail sleeve, the nail rod is provided with external thread structures matched with the internal thread structures in a threaded manner, and the external thread structures are arranged close to the nail cap.

On the other hand, the application also provides an electronic device, and the rivet is applied to the electronic device.

When the electronic equipment is assembled, the nail sleeve is inserted into at least two elements needing to be connected, then the nail rod is inserted into the matching hole, and the notch is extruded, so that the nail sleeve is partially enlarged, and the body of the nail sleeve after the partial enlargement is matched with the limiting convex body to form a riveting fixing structure, so that the elements are connected together. In the process, the matching part is matched with the limiting convex body in a limiting way, so that the nail rod can stop, the body of the nail sleeve after the part is enlarged cannot be reduced, the riveting reliability is guaranteed, the nail rod does not need to be fixed by glue dripping, and the nail rod is prevented from retreating from the matching hole. Therefore, the electronic equipment adopts the rivet with the retaining function, the retaining is not required to be carried out by glue dripping, the glue dripping process can be reduced, the labor cost is reduced, and the production and assembly efficiency is improved.

Drawings

FIG. 1 is a schematic illustration of a rivet in one embodiment;

FIG. 2 is a schematic half-section view of the rivet shown in FIG. 1;

FIG. 3 is an exploded view of the rivet shown in FIG. 1;

FIG. 4 is a schematic half-section view of the rivet shown in FIG. 3;

FIG. 5 is a schematic structural view of the tack sleeve shown in FIG. 3;

fig. 6 is a schematic structural view of the mandrel shown in fig. 3.

Description of reference numerals:

100. nailing a sleeve; 110. a mating hole; 112. a tapered hole; 120. a limit convex body; 122. introducing a structure; 130. a notch; 200. a nail core; 210. a nail rod; 220. a nail cap; 222. a fitting portion; 202. a groove; 204. a card slot; 206. a card body; 208. an inlet and an outlet; 224. a force application part.

Brief description of the drawingsthe accompanying drawings, which form a part of this application, are included to provide a further understanding of the invention, and are included to explain illustrative embodiments of the invention and the description thereof and are not to be considered limiting of the invention.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, 2 and 6, in one embodiment, a rivet is provided, which includes a rivet sleeve 100 and a rivet core 200, wherein the rivet sleeve 100 has a fitting hole 110 penetrating through two ends thereof, one end of the rivet sleeve 100 is provided with a limiting protrusion 120, the rivet sleeve 100 is further provided with a notch 130, the notch 130 is communicated with the fitting hole 110, and the notch 130 penetrates from a predetermined position of a side wall of the fitting hole 110 to an end of the other end of the rivet sleeve 110; the nail core 200 comprises a nail rod 210 and a nail cap 220 arranged at one end of the nail rod 210, the nail cap 220 is provided with a matching part 222 in limited matching with the limiting convex body 120, the nail rod 210 can be inserted into the matching hole 110, so that the gap 130 is enlarged, and the limiting convex body 120 is in limited matching with the matching part 222, so that the nail rod 210 is stopped.

When the rivet is used, the nail sleeve 100 is inserted into at least two elements to be connected, then the nail rod 210 is inserted into the matching hole 110, and the notch 130 is squeezed open, so that the nail sleeve 100 is partially enlarged, and the body of the nail sleeve 100 with the partially enlarged part is matched with the limiting convex body 120 to form a riveting fixing structure, so that the elements are connected together. In the process, the matching part 222 is in limit matching with the limit convex body 120, so that the nail rod 210 stops moving, the body of the nail sleeve 100 after the part is enlarged cannot be reduced, the riveting reliability is guaranteed, glue dripping is not needed for fixing, and the nail rod 210 is prevented from moving out of the matching hole 110. The rivet has the backstop function, so that the backstop is not required to be carried out by using glue dripping, and the labor cost is favorably reduced.

The phrase "the nail cover 100 is partially enlarged" means that the nail cover 100 body corresponding to the longitudinal direction of the notch 130 is deformed by the notch 130 being pushed open and enlarged, so that the maximum diameter of the nail cover 100 body is enlarged.

The 'preset position' can be set according to actual needs, such as a side wall arranged in the middle of the matching hole, a side wall close to the limiting convex body and the like.

On the basis of the above embodiments, as shown in fig. 2 and fig. 5, in an embodiment, the fitting portion 222 is provided with a groove 202 for accommodating the nail sleeve 100 and a slot 204 disposed in the groove 202, and the limiting convex body 120 is in snap fit with the slot 204. Thus, when the rivet is used, the nail sleeve 100 is inserted into at least two elements to be connected, then the nail rod 210 is inserted into the matching hole 110, and the notch 130 is extruded, so that the nail sleeve 100 is partially enlarged, and the body of the nail sleeve 100 with the partially enlarged part is matched with the limiting convex body 120 to form a riveting fixing structure, so that the nail sleeve 100 is fixed on the connected elements; at this time, the groove 202 is utilized to accommodate one end of the nail sleeve 100, and the slot 204 in the groove 202 is in snap fit with the limit protrusion 120, so that the nail core 200 is fixed on the nail sleeve 100, and the nail sleeve 100 is fixed on the connected element, so that the nail core 200 is also fixed, and the nail rod 210 cannot exit from the matching hole 110, thereby ensuring the reliability of riveting.

On the basis of the above embodiments, in an embodiment, the limiting convex body 120 is convexly disposed on the side surface of the nail sleeve 100, the limiting convex body 120 is an elastic protrusion or an elastically resettable protrusion, the locking groove 204 is a locking hole disposed on the side surface of the groove 202, and the locking hole is in snap fit with the protrusion. So, in the in-process that the nail pole 210 inserts the mating holes 110, the one end of nail cover 100 also inserts in recess 202, and this arch is extruded and is shrunk by the lateral wall of recess 202, and when reacing card hole position, this arch can pop out and with card hole snap-fit, and then the refill 200 can be locked on nail cover 100, and then can prevent that the nail pole 210 from withdrawing from the mating holes 110 for this rivet's connection reliability is high, and convenient operation.

The convex body has elasticity and can be contracted, or the elastic unit can be used for making the convex body be contracted, so that the convex body can be firstly contracted and then be popped out to be matched with the clamping hole.

On the basis of the above-mentioned embodiment of the locking groove 204, as shown in fig. 2 and fig. 6, in another embodiment, at least two limiting protrusions 120 are convexly disposed on the side surface of the nail sleeve 100, the matching portion is provided with at least two locking bodies 206 spaced from the bottom wall of the groove 202 to form the locking groove 204, and an inlet/outlet 208 for inserting the limiting protrusion 120 is disposed between two adjacent locking bodies 206. In this way, in the process of inserting the nail rod 210 into the matching hole 110, one end of the nail sleeve 100 is also inserted into the groove 202, the limiting convex body 120 also enters the groove 202 through the inlet and outlet 208, and when the limiting convex body reaches the clamping groove 204, the nail cap 220 is rotated, so that the limiting convex body 120 is arranged in the clamping groove 204; and then utilize the card body 206 and the diapire of recess 202 to carry on spacingly with spacing convex body 120 for the refill 200 can be locked on the nail cover 100, and then can prevent that the nail pole 210 from withdrawing from the mating holes 110, makes the connection reliability of this rivet high, and convenient operation.

Further, as shown in fig. 3 to 5, in an embodiment, all the limit protrusions 120 are uniformly spaced along the same circumference, and the notches 130 and the locking bodies 206 are in one-to-one correspondence with the limit protrusions 120. Therefore, the matching stress between the limiting convex body 120 and the clamping groove 204 is more uniform, the connection between the nail core 200 and the nail sleeve 100 is more reliable, and the nail rod 210 cannot exit from the matching hole 110.

Optionally, in an embodiment, the card body 206 is provided with a lead-in structure. Therefore, the guiding structure is matched with the bottom wall of the groove 202 to form a guiding opening, so that the limiting convex body 120 is conveniently guided into the clamping groove 204.

Specifically, the lead-in structure is a rounded corner structure or an inverted corner structure.

On the basis of the above embodiments, in an embodiment, the bottom wall of the card body 206 or the groove 202 is provided with a rotation stopping portion (not shown), and the rotation stopping portion is spaced from the guiding structure. Thus, when the rotation stopping portion is used to prevent the screw cap 220 from rotating, the rotation angle is too large, and the limiting convex body 120 is rotated out of the clamping groove 204, resulting in the failure of the snap fit between the limiting convex body 120 and the clamping groove 204. Meanwhile, the rotation stopping part is arranged, so that an operator can conveniently judge whether the limiting convex body 120 reaches a proper position.

The rotation stop portion is a protrusion, and may be disposed on the card body 206 or on the bottom wall of the groove 202.

Or as shown in fig. 4, in the embodiment, the limiting convex body is provided with a guiding structure 122. As such, the guiding structure 122 is utilized to facilitate guiding the limiting protrusion 120 into the slot 204.

The lead-in structure 122 is a rounded or reverse tapered structure.

In addition to any of the above embodiments, in an alternative embodiment, one end of the nail shaft 210 may also be provided with a guiding structure, which is used to facilitate the insertion into the matching hole 110.

On the basis of any of the above embodiments, in an embodiment, the limiting convex body 120 is provided with a first elastic extrusion layer (not shown), and the first elastic extrusion layer is arranged in the clamping groove 204 in an extrusion manner. Thus, the first elastic extrusion layer can make the fit between the position-limiting protrusion 120 and the slot 204 more tight, so that the position-limiting protrusion 120 can be firmly fixed in the slot 204, and the nail stem 210 cannot easily move.

Or in another embodiment, the bottom wall of the groove 202 or the card body 206 is provided with a second elastic extrusion layer (not shown), and the second elastic extrusion layer is arranged in the card slot 204 in an extrusion manner. Thus, the second elastic extrusion layer can make the fit between the position-limiting protrusion 120 and the slot 204 more tight, so that the position-limiting protrusion 120 can be firmly fixed in the slot 204, and the nail stem 210 cannot easily move.

In yet another embodiment, the limiting convex body 120 is provided with a first elastic extrusion layer, and the first elastic extrusion layer is extruded and arranged in the clamping groove 204; and the bottom wall or card body 206 of the recess 202 is provided with a second resilient extrusion layer, which is arranged in the card slot 204 in an extruded manner. Thus, the first elastic extrusion layer and the second elastic extrusion layer can make the matching between the limiting convex body 120 and the slot 204 more tight, so that the limiting convex body 120 can be firmly fixed in the slot 204, and the nail rod 210 cannot easily move.

It should be noted that the "first elastic extrusion layer" and the "second elastic extrusion layer" may be disposed on the corresponding elements in any manner, such as painting, adhering, and the like.

The material of the "first elastic extrusion layer" and the "second elastic extrusion layer" can be rubber, silica gel, etc.

In addition to any of the above embodiments, as shown in fig. 2 and 4, in one embodiment, the matching hole 110 includes a tapered hole 112 disposed at the notch 130, and the nail shaft 210 is in a cylindrical structure. Thus, the nail rod 210 can press the tapered hole 112, so that the notch 130 is enough, and the nail sleeve 100 is partially enlarged, and then can be matched with the limiting convex body 120 to form a riveting fixing structure. By utilizing the characteristics of the tapered hole 112, in the process of matching with the nail shank 210, the side wall of the matching hole 110 is gradually expanded outwards, so that the stress concentration is reduced, and the structure of the deformed nail sleeve 100 is reliable.

In addition to any of the above embodiments, in one embodiment, the mating hole 110 is provided with an internal thread structure (not shown) disposed at one end of the nail sleeve 100, and the nail shaft 210 is provided with an external thread structure (not shown) threadedly engaged with the internal thread structure, the external thread structure being disposed adjacent to the nail cap 220. Thus, the matching of the internal thread structure and the external thread structure is utilized, and the rotary power can be converted into the power for extruding the nail sleeve 100, so that the direct extrusion force is reduced, and the operation is convenient. And by utilizing the self-locking principle of the thread transmission, the nail rod 210 can be stopped immediately after rotating, the nail rod 210 can be further prevented from being withdrawn from the matching hole 110, and the riveting reliability of the rivet can be ensured.

In addition to any of the above embodiments, in one embodiment, the matching hole 110 includes a tapered hole 112 disposed at the notch 130, and the nail shaft 210 is in a cylindrical structure; the mating holes 110 are provided with an internal thread structure, the internal thread structure is arranged at one end of the nail sleeve 100, the nail rod 210 is provided with an external thread structure matched with the internal thread structure in a threaded manner, and the external thread structure is arranged close to the nail cap 220. Thus, the nail rod 210 can press the tapered hole 112, so that the notch 130 is enough, and the nail sleeve 100 is partially enlarged, and then can be matched with the limiting convex body 120 to form a riveting fixing structure. By utilizing the characteristics of the tapered hole 112, in the process of matching with the nail shank 210, the side wall of the matching hole 110 is gradually expanded outwards, so that the stress concentration is reduced, and the structure of the deformed nail sleeve 100 is reliable. Meanwhile, the matching of the internal thread structure and the external thread structure is utilized, so that the rotary power can be converted into the power for extruding the nail sleeve 100, the extrusion force of direct extrusion is reduced, and the operation is convenient; and by utilizing the self-locking principle of the thread transmission, the nail rod 210 can be stopped immediately after rotating, the nail rod 210 can be further prevented from being withdrawn from the matching hole 110, and the riveting reliability of the rivet can be ensured.

It should be noted that the "internal thread structure" may also be referred to as a threaded hole, the "external thread structure" may also be referred to as a screw, and the specific structure and matching of the "internal thread structure" and the "external thread structure" may be implemented in the prior art, which is not described herein in detail.

In addition to any of the above embodiments, as shown in fig. 1 and 3, in an embodiment, the nut 220 further includes a force application portion 224. Thus, the force application portion 224 facilitates insertion of the shank 210 into the mating hole 110 and also facilitates rotation of the nut 220.

In one embodiment, an electronic device is further provided, and the rivet is applied.

When the electronic device is assembled, the nail sleeve 100 is inserted into at least two elements to be connected, then the nail rod 210 is inserted into the matching hole 110, and the notch 130 is squeezed open, so that the nail sleeve 100 is partially enlarged, and the body of the nail sleeve 100 with the partially enlarged part is matched with the limiting convex body 120 to form a riveting fixing structure, so that the elements are connected together. In the process, the matching part 222 is in limit matching with the limit convex body 120, so that the nail rod 210 stops moving, the body of the nail sleeve 100 after the part is enlarged cannot be reduced, the riveting reliability is guaranteed, glue dripping is not needed for fixing, and the nail rod 210 is prevented from moving out of the matching hole 110. Therefore, the electronic equipment adopts the rivet with the retaining function, the retaining is not required to be carried out by glue dripping, the glue dripping process can be reduced, the labor cost is reduced, and the production and assembly efficiency is improved.

The electronic equipment can be a base station antenna, a display screen, an electric cabinet and the like.

When the rivet is applied to the base station antenna, the backstop function of the rivet can be utilized, so that the rivet can be prevented from retreating and causing connection failure. Need not so to adopt the glue dripping to handle, reduced the glue dripping process in the base station antenna assembling process, can overcome and omit the glue dripping and lead to the insecure problem of base station antenna connection, can reduce the glue dripping process again, reduce the cost of labor, improve production packaging efficiency.

It should be noted that the "first card body" may be a part of the "nail cap", that is, the "first card body" and the "other part of the" nail cap "are integrally formed; the first clamping body can be manufactured independently and then combined with the other parts of the nail head into a whole.

Equivalently, the "body" and the "certain part" can be parts of the corresponding "component", i.e., the "body" and the "certain part" are integrally manufactured with other parts of the "component"; the "part" can be made separately from the "other part" and then combined with the "other part" into a whole. The expressions "a certain body" and "a certain part" in the present application are only one example, and are not intended to limit the scope of the present application for reading convenience, and the technical solutions equivalent to the present application should be understood as being included in the above features and having the same functions.

It should be noted that the "rivet" may be one of the parts of the module of the "electronic device", that is, it is modularly assembled with the "other components of the electronic device"; or can be relatively independent and separable from other components of the electronic equipment unit, namely, the device can be modularly assembled with the other components of the electronic equipment.

Equivalently, the components included in the unit, the assembly, the mechanism and the device can be flexibly combined, and can be produced in a modularized mode according to actual needs, so that the modularized assembly is convenient. The division of the above-mentioned components in the present application is only one example, which is convenient for reading and is not a limitation to the protection scope of the present application, and the same functions as the above-mentioned components should be understood as equivalent technical solutions in the present application.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to," "disposed on," "secured to," or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Further, when one element is considered as "fixed transmission connection" with another element, the two elements may be fixed in a detachable connection manner or in an undetachable connection manner, and power transmission can be achieved, such as sleeving, clamping, integrally-formed fixing, welding and the like, which can be achieved in the prior art, and is not cumbersome. When an element is perpendicular or nearly perpendicular to another element, it is desirable that the two elements are perpendicular, but some vertical error may exist due to manufacturing and assembly effects. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A rivet, comprising:

the nail sleeve is provided with a matching hole penetrating through two ends of the nail sleeve, one end of the nail sleeve is provided with a limiting convex body, the nail sleeve is also provided with a notch, the notch is communicated with the matching hole, and the notch penetrates from the preset position of the side wall of the matching hole to the end part of the other end of the nail sleeve; and

the nail core, the nail core including the nail pole and set up in the head of a nail of the one end of nail pole, the head of a nail be equipped with spacing complex cooperation portion of spacing convex body, the nail pole can insert in the mating holes, make the breach grow, just spacing convex body and the spacing cooperation of cooperation portion make the nail pole stopping.

2. The rivet according to claim 1, wherein the fitting portion is provided with a groove for accommodating the nail sleeve, and a catching groove provided in the groove, and the stopper projection is snap-fitted to the catching groove.

3. The rivet according to claim 2, wherein the limiting protrusion is disposed on a side surface of the rivet sleeve in a protruding manner, the limiting protrusion is an elastic protrusion or an elastically resettable protrusion, the locking groove is a locking hole disposed on a side surface of the groove, and the locking hole is in snap fit with the protrusion.

4. The rivet according to claim 2, wherein at least two of the limiting protrusions are convexly disposed on a side surface of the rivet sleeve, the engaging portion is provided with at least two of the engaging bodies spaced from a bottom wall of the groove to form the engaging groove, and an inlet and an outlet are disposed between two adjacent engaging bodies for the limiting protrusions to penetrate through.

5. The rivet according to claim 4, wherein all the limit protrusions are uniformly spaced along the same circumference, and the notches and the engaging bodies correspond to the limit protrusions one to one.

6. Rivet according to claim 4, characterized in that the clip body or the limit projection is provided with a lead-in structure.

7. The rivet according to claim 6, wherein the bottom wall of the clip body or the groove is provided with a rotation stopping portion, and the rotation stopping portion is spaced from the lead-in structure.

8. The rivet according to claim 4, wherein the limiting convex body is provided with a first elastic extrusion layer, and the first elastic extrusion layer is arranged in the clamping groove in an extrusion manner; or/and the bottom wall of the groove or the clamping body is provided with a second elastic extrusion layer, and the second elastic extrusion layer is arranged in the clamping groove in an extrusion manner.

9. The rivet according to any one of claims 1 to 8, wherein the fitting hole comprises a tapered hole provided at the notch, and the shank has a cylindrical structure; or/and the mating holes are provided with internal thread structures, the internal thread structures are arranged at one ends of the nail sleeves, the nail rod is provided with external thread structures matched with the internal thread structures in a threaded manner, and the external thread structures are close to the nail cap.

10. An electronic device, characterized in that the rivet according to any one of claims 1 to 9 is applied.