Protruding sealing type hippocampus rivet

Abstract

The utility model relates to a protruding sealing type hippocampus rivet, which belongs to the technical field of rivets and comprises a rivet core and a rivet shell, the rivet core is arranged in the rivet shell in a penetrating mode, and the rivet core is sequentially provided with a rivet head, an assembly section, a groove sealing section, a fracture, a hand riveter combination section and a friction wire from top to bottom. The rivet core is tightly connected with the rivet shell through the assembling section, and the diameter of the assembling section is larger than the diameter of the groove sealing section and the diameter of the rivet gun combination section. The diameter of the groove sealing section is smaller than that of other adjacent parts; the nail shell is provided with a brim, the upper portion of the brim is sleeved with a rubber gasket, and a protrusion is arranged at the bottom of the brim of the nail shell. According to the utility model, the rubber gasket is arranged on the nail shell to seal the gap between the nail shell and the connecting piece; during riveting, the bulge on the rivet shell is extruded by a hand riveter, so that the bulge is deformed and embedded into the groove sealing section for sealing; the sealing structure has good sealing performance after being installed, and can effectively prevent dust, water and the like from entering the inside of a product to cause damage to the product.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of convex sealing type sea horse rivets, belong to rivet technical field. BACKGROUND

[0002] Sea horse rivet is a structural rivet, with excellent shear strength and tensile strength, suitable for high-strength riveting demand;Its characteristics include high tensile and shear capacity, can provide powerful anti-shock joint connection, with high anti-shock and large blind end bearing area. Sea horse rivet is widely used in building, automobile, ship, aircraft, machine, electric appliance, furniture and other products.

[0003] However, in some occasions with higher sealing requirements, the use of ordinary sea horse rivet cannot meet the sealing requirements, dust, moisture and other will enter the product from the gap between ordinary sea horse rivet and connecting piece or the gap between rivet core and rivet shell, resulting in product damage. UTILITY MODEL CONTENT

[0004] According to the above deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a convex sealing type sea horse rivet, which has good sealing performance after installation, and can effectively prevent dust, moisture and other from entering the product interior to cause product damage.

[0005] The convex sealing type sea horse rivet, comprising a core and a shell, the core is arranged through the shell, the core is sequentially provided with a head, an assembly section, a groove sealing section, a fracture, a rivet gun joint section and a friction wire from top to bottom;The core is tightly connected with the shell through the assembly section, the diameter of the assembly section is larger than that of the groove sealing section and the rivet gun joint section;The diameter of the groove sealing section is smaller than that of other parts adjacent thereto;The shell is provided with a brim, the upper part of the brim is sleeved with a rubber gasket for sealing the gap between the shell and the connecting piece;The shell brim is provided with a convex portion, which is embedded into the groove sealing section under the extrusion of the rivet gun after riveting, thereby sealing the gap between the shell and the core.

[0006] The technical scheme of the utility model provides a convex sealing type sea horse rivet, which seals the gap between the shell and the connecting piece by providing a rubber gasket on the shell;During riveting, the convex portion on the shell is extruded by the rivet gun to embed into the groove sealing section, thereby sealing the gap between the shell and the core, and achieving good sealing performance.

[0007] Preferably, the assembly section is provided with a cone, the lower part of the cone has a larger diameter than the upper part, to prevent the core from separating from the shell, and the assembly section and the shell are in interference fit.

[0008] Preferably, the shell is provided with a through stepped hole in the center.

[0009] Further, the inner side of the cap brim of the nail shell is provided with an avoiding groove, the avoiding groove provides a moving space for the rubber gasket, the avoiding groove is used for avoiding burrs on the edge of the rivet hole, and the rivet can be closely attached to the connecting piece.

[0010] Preferably, the friction wire is located below the rivet gun jointing section, is used for increasing the friction force, and better cooperates with the rivet gun to complete riveting construction.

[0011] The utility model has the beneficial effect that compared with prior art:

[0012] The convex sealing type sea horse rivet seals the gap between the nail shell and the connecting piece through the rubber gasket arranged on the nail shell, deforms and embeds into the groove sealing section through the convex of the nail shell being extruded by the rivet gun during riveting, and seals the gap between the nail shell and the nail core, the utility model has good sealing performance after installation, and can effectively avoid the situation that dust, moisture and the like enter the product and cause product damage. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 Is the state schematic view before riveting of the utility model;

[0014] Figure 2 Is the structure schematic view of the nail core;

[0015] Figure 3 Is the structure schematic view before assembly of the nail shell;

[0016] Figure 4 Is the state schematic view after riveting of the utility model.

[0017] In the drawing: 1, nail core;11, nail head;12, assembly section;121, cone;13, groove sealing section;14, fracture;15, rivet gun jointing section;16, friction wire;2, nail shell;21, avoiding groove;22, convex;23, rubber gasket;3, connecting piece A;4, connecting piece B. DETAILED DESCRIPTION

[0018] The utility model is further described below in combination with specific embodiments.

[0019] However, the description of the utility model is only an embodiment of structural and even functional description, and the right scope of the utility model is not limited by the embodiment described in the text.

[0020] For example, a plurality of embodiments can have a plurality of changes, a plurality of forms, and it should be understood that the right scope of the utility model includes equivalents capable of realizing the technical idea.

[0021] For example, a plurality of embodiments can have a plurality of changes, a plurality of forms, and it should be understood that the right scope of the utility model includes equivalents capable of realizing the technical idea. Figures 1-4As shown, the embodiment is realized by the following technical solutions: including a nail core 1 and a nail shell 2, the nail core 1 is arranged through the nail shell 2, the nail core 1 is sequentially provided with a nail head 11, an assembly section 12, a groove sealing section 13, a fracture 14, a rivet gun connecting section 15 and a friction wire 16 from top to bottom; the nail core 1 is tightly connected with the nail shell 2 through the assembly section 12, the diameter of the assembly section 12 is larger than the diameters of the groove sealing section 13 and the rivet gun connecting section 15; the diameter of the groove sealing section 13 is smaller than the diameters of other parts adjacent to the groove sealing section 13; the nail shell 2 is provided with a brim, the upper part of the brim is provided with a rubber gasket 23 for sealing the gap between the nail shell 2 and the connecting piece; the bottom of the brim of the nail shell 2 is provided with a protrusion 22, after riveting, the protrusion 22 is embedded into the groove sealing section 13 under the extrusion of the rivet gun, and the gap between the nail shell 2 and the nail core 1 is sealed.

[0022] In the embodiment, the assembly section 12 is provided with a cone 121, the lower part of the cone 121 is larger in diameter than the upper part, so as to prevent the nail core 1 from being separated from the nail shell 2, and the assembly section 12 is in interference fit with the nail shell 2; the center of the nail shell 2 is provided with a through stepped hole; the inner side of the brim of the nail shell 2 is provided with a avoiding groove 21, the avoiding groove 21 provides a moving space for the rubber gasket 23, so as to avoid the burrs on the edge of the rivet hole, and the rivet can be tightly attached to the connecting piece; the friction wire 16 is located below the rivet gun connecting section 15, so as to increase the friction and better cooperate with the rivet gun to complete the riveting construction.

[0023] The use method of the utility model is as follows:

[0024] 1, the protrusion sealing type sea horse rivet is placed in the installation hole of the connecting piece A3 and the connecting piece B4;

[0025] 2, the rivet gun is connected with the rivet gun connecting section 15 on the nail core, then the nail core 1 is pulled by the rivet gun, the nail core 1 continuously applies pressure to the nail shell 2, the nail shell 2 forms a single drum inflation area, and the connecting piece A3 and the connecting piece B4 are gradually clamped and connected;

[0026] 3, continue to pull the nail core 1, until the nail shell 2 cannot continue to deform, the stress at the fracture 14 sharply increases, the fracture 14 is disconnected, and the riveting is completed;

[0027] At this time, the rubber gasket 23 is extruded by the nail shell 2 and the connecting piece B4, and seals the gap between the two; the protrusion 22 on the nail shell is deformed under the extrusion of the rivet gun and is embedded into the groove sealing section 13, so as to seal the gap between the nail shell 2 and the nail core 1, and good waterproof, dustproof and sealing performance is realized.

[0028] Of course, the above only the preferred embodiments of the present application, can not be considered to limit the scope of the embodiments of the present application. The present application is not limited to the above examples, the ordinary skilled in the art within the scope of the present application made by the equivalent changes and improvements, should be attributed to the present application within the scope of the patent.

Claims

1. A projection-seal type hippocrepiform rivet characterized by, The application relates to a rivet, which comprises a rivet core (1) and a rivet shell (2), the rivet core (1) is arranged in the rivet shell (2) in a penetrating mode, and the rivet core (1) is sequentially provided with a rivet head (11), an assembling section (12), a groove sealing section (13), a fracture (14), a rivet gun connecting section (15) and a friction wire (16) from top to bottom; the rivet core (1) is tightly connected with the rivet shell (2) through the assembling section (12), the diameter of the assembling section (12) is larger than the diameters of the groove sealing section (13) and the rivet gun connecting section (15); the diameter of the groove sealing section (13) is smaller than the diameters of other parts adjacent to the groove sealing section (13); the rivet shell (2) is provided with a brim, the upper part of the brim is sleeved with a rubber gasket (23) for sealing; the bottom of the brim of the rivet shell (2) is provided with a protrusion (22).

2. The swage seal-type seahorse rivet of claim 1, wherein, The assembling section (12) is provided with a taper (121), the lower part of the taper (121) has a larger diameter than the upper part, and the assembling section (12) is in interference fit with the rivet shell (2).

3. The swage seal-type seahorse rivet of claim 1, wherein, The rivet shell (2) is provided with a through stepped hole in the center.

4. The swage seal-type seahorse rivet of claim 1, wherein, The inner side of the brim of the rivet shell (2) is provided with a avoiding groove (21).

5. The swage seal-type seahorse rivet of claim 1, wherein, The friction wire (16) is located below the rivet gun connecting section (15).

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