CN219673042U - Device for preventing rivet head from loosening - Google Patents

Abstract

The utility model discloses a device for preventing loosening of a pulling rivet head, which relates to the technical field of pulling rivet heads and comprises a rivet sleeve, wherein a waterproof layer is arranged on the outer surface of the rivet sleeve, an anti-corrosion layer is arranged on the outer surface of the waterproof layer, a sleeve is fixedly arranged at one end of the rivet sleeve, a disassembling component is arranged on the outer surface of the sleeve, and through holes for installing a rivet body are formed in the rivet sleeve, the sleeve and the disassembling component. According to the utility model, through the locking assembly, when the rivet body is rotated, the rivet body drives the loop bar and the rivet head to move downwards, the loop bar slowly enters the inside of the sleeve, so that the rivet head enters the inside of the rivet sleeve body, the volume of the rivet sleeve is enlarged, the joint piece is clamped, and the two clamping blocks stretch out and draw back towards the inside of the loop bar until the loop bar slowly enters the inside of the sleeve, and the clamping blocks are meshed with the clamping grooves in the sleeve, so that the loosening of the rivet head can be prevented by utilizing the cooperation between the clamping blocks and the clamping grooves.

Description

Device for preventing rivet head from loosening

Technical Field

The utility model relates to the technical field of hand riveter heads, in particular to a device for preventing the hand riveter heads from loosening.

Background

The blind rivet, national standard blind rivet, also called Haclar rivet or Hagram HUCK bolt, is a fastening mode which uses Hooke's law principle to clamp 2 binding pieces by special equipment for blind rivet, then extrudes the metal of sleeved annular lantern ring or nut without screw thread and fills the metal into the groove of the stud with a plurality of annular grooves, so that the lantern ring and the stud are tightly combined.

In the prior art, the mechanical connecting structure with more applications mainly comprises riveting and welding, in the welding structure, corresponding nuts matched with threads of welding nails are needed to be used for fixing a connected piece, the existing rivet heads are easy to loosen when in use, a locking device is not arranged between the screw heads and a rivet rod, the use of mechanical equipment can be influenced when the rivet heads are loosened, and therefore the device for preventing the loosening of the pulling rivet heads is provided.

Disclosure of Invention

Therefore, the utility model aims to provide a device for preventing a rivet head from loosening, so as to solve the problems that when the existing rivet head is used, the prior art mainly uses a plurality of mechanical connecting structures including riveting and welding, in the welding structure, corresponding nuts matched with threads of the welding nails are needed to be used for fixing a connected piece, the existing rivet head is easy to loosen when in use, a locking device is not arranged between the screw head and a rivet rod, and mechanical equipment is influenced when the rivet head is loosened, and the device for preventing the rivet head from loosening is provided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prevent rivet head looseness device, includes the rivet cover, the surface mounting of rivet cover has the waterproof layer, the surface mounting of waterproof layer has the anticorrosion layer, the one end fixed mounting of rivet cover has the sleeve, telescopic surface mounting has the dismantlement subassembly, rivet cover, sleeve and dismantlement subassembly's inside has all been seted up the through-hole that is used for installing the rivet body, the one end of rivet cover is equipped with locking subassembly, locking subassembly's the other end is equipped with the die;

the locking assembly comprises a loop bar, one end of the loop bar is fixedly connected with the rivet body, the other end of the loop bar is fixedly connected with the rivet head, the inner wall of the loop bar is symmetrically provided with a placing groove for installing the telescopic bars, and the telescopic ends of the two telescopic bars are fixedly provided with clamping blocks;

the two telescopic rods are sleeved with first springs, and two ends of each first spring are fixedly connected with the inner wall of the placing groove and the outer wall of the clamping block respectively.

Preferably, a clamping groove matched with the clamping block is formed in the sleeve.

Preferably, the disassembly assembly comprises a hollow round block, through holes for installing pull rods are formed in the upper end and the lower end of the hollow round block, pull blocks are fixedly installed at the opposite ends of the pull rods, second springs are sleeved outside the pull rods, and two ends of the second springs are fixedly connected with the side walls of the pull blocks and the outer walls of the hollow round blocks respectively.

Preferably, the outer surface of the sleeve is provided with a through hole matched with the pull rod.

Preferably, the waterproof layer is made of waterproof paint.

Preferably, the anti-corrosion layer is made of anti-corrosion paint.

Preferably, the pull block is arranged in a circular structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the locking assembly, when the rivet body is rotated, the rivet body drives the loop bar and the rivet head to move downwards, the loop bar slowly enters the inside of the sleeve, so that the rivet head enters the inside of the rivet sleeve body, the volume of the rivet sleeve is enlarged, the joint piece is clamped, and the two clamping blocks stretch out and draw back towards the inside of the loop bar until the loop bar slowly enters the inside of the sleeve, and the clamping blocks are meshed with the clamping grooves in the sleeve, so that the loosening of the rivet head can be prevented by utilizing the cooperation between the clamping blocks and the clamping grooves.

2. According to the utility model, through the disassembly component, when the two combined parts are required to be disassembled, the pull block is pulled to drive the pull rod to be far away from the through hole on the surface of the sleeve, so that the two combined parts can be conveniently disassembled.

3. According to the utility model, the rivet sleeve can be effectively protected through the waterproof layer and the anti-corrosion layer, and the service life of the rivet body is prolonged.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the combined parts of the locking assembly and rivet according to the present utility model;

FIG. 3 is a schematic view of a disassembly assembly according to the present utility model;

FIG. 4 is a schematic view of the structure of the waterproof layer and the anticorrosive layer according to the present utility model;

FIG. 5 is a schematic view of a locking assembly according to the present utility model;

fig. 6 is a schematic structural diagram of a card slot according to the present utility model.

In the figure: 1. a rivet sleeve; 2. a locking assembly; 201. a loop bar; 202. a clamping block; 203. a first spring; 204. a telescopic rod; 3. riveting heads; 4. a sleeve; 5. disassembling the assembly; 501. hollow round blocks; 502. a pull rod; 503. a second spring; 504. pulling blocks; 6. a rivet body; 7. a clamping groove; 8. a waterproof layer; 9. and an anti-corrosion layer.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

Referring to fig. 1-6, a device for preventing loosening of rivet heads comprises a rivet sleeve 1, wherein a waterproof layer 8 is arranged on the outer surface of the rivet sleeve 1, an anti-corrosion layer 9 is arranged on the outer surface of the waterproof layer 8, a sleeve 4 is fixedly arranged at one end of the rivet sleeve 1, a disassembling component 5 is arranged on the outer surface of the sleeve 4, through holes for installing a rivet body 6 are formed in the rivet sleeve 1, the sleeve 4 and the disassembling component 5, a locking component 2 is arranged at one end of the rivet sleeve 1, and a rivet head 3 is arranged at the other end of the locking component 2;

the locking assembly 2 comprises a loop bar 201, one end of the loop bar 201 is fixedly connected with the rivet body 6, the other end of the loop bar 201 is fixedly connected with the rivet head 3, the inner wall of the loop bar 201 is symmetrically provided with a placing groove for installing telescopic bars 204, and the telescopic ends of the two telescopic bars 204 are fixedly provided with clamping blocks 202;

the outside of two telescopic links 204 is all overlapped and is equipped with first spring 203, the both ends of two first springs 203 respectively with the inner wall of standing groove and the outer wall fixed connection of fixture block 202, the draw-in groove 7 with fixture block 202 looks adaptation is seted up to the inside of sleeve 4, through the locking subassembly 2 that sets up, when rotating rivet body 6, rivet body 6 can drive loop bar 201 and die 3 and move down, the inside of sleeve 4 is got into slowly to loop bar 201, make the inside of entering rivet cover 1 body of die 3, thereby make the volume grow of rivet cover 1 press from both sides the fastener tight, and when sleeve 201 slowly gets into sleeve 4 inside, two fixture blocks 202 can stretch out and draw back to the inside of loop bar 201, until with the inside draw-in groove 7 meshing of sleeve 4, at this moment utilize the cooperation work between fixture block 202 and the draw-in groove 7 can prevent the rivet head from becoming flexible.

Referring to fig. 1-6, a device for preventing loosening of rivet heads is disclosed, the disassembling component 5 comprises a hollow round block 501, through holes for installing pull rods 502 are formed in the upper end and the lower end of the hollow round block 501, pull blocks 504 are fixedly installed at opposite ends of the two pull rods 502, second springs 503 are sleeved outside the two pull rods 502, two ends of the two second springs 503 are fixedly connected with the side wall of the pull blocks 504 and the outer wall of the hollow round block 501 respectively, through holes matched with the pull rods 502 are formed in the outer surface of the sleeve 4, and when two combined parts are required to be disassembled, the pull blocks 504 are pulled to drive the pull rods 502 to be far away from the through holes in the surface of the sleeve 4 through the disassembling component 5, so that the two combined parts can be conveniently disassembled.

Referring to fig. 1-6, a device for preventing loosening of rivet heads is disclosed, wherein a waterproof layer 8 is made of waterproof paint, an anti-corrosion layer 9 is made of anti-corrosion paint, a pull block 504 is arranged in a circular structure, the rivet sleeve 1 can be effectively protected through the waterproof layer 8 and the anti-corrosion layer 9, and the service life of a rivet body 6 is prolonged.

Working principle: when the rivet is used, two binding pieces are stacked together, the rivet body 6 penetrates through the through hole formed in the binding piece, the hollow disc is larger than the through hole formed in the binding piece, the hollow disc is tightly attached to the binding piece, the rivet body 6 is pulled by the pulling gun head to drive the rivet body 6 to rotate, when the rivet body 6 is rotated, the rivet body 6 can drive the sleeve rod 201 and the rivet head 3 to move downwards, the sleeve rod 201 slowly enters the inside of the sleeve 4, the rivet head 3 enters the inside of the rivet sleeve 1 body, the volume of the rivet sleeve 1 is enlarged to clamp the binding piece, the sleeve rod 201 slowly enters the inside of the sleeve 4, simultaneously, the two clamping blocks 202 stretch out and draw back to the inside of the sleeve rod 201 until the clamping grooves 7 in the sleeve 4 are meshed, at this time, the rivet head can be prevented from loosening by utilizing the cooperation between the clamping blocks 202 and the clamping grooves 7, afterwards, when the rivet body 6 is required to be disassembled, the sleeve rod is pulled by pulling the pulling block 504 to drive the sleeve rod 502 to be far away from the through hole on the surface of the sleeve 4, the two binding pieces are really disassembled conveniently, and finally, the rivet life of the rivet sleeve 6 can be effectively prolonged by utilizing the waterproof layer 8 and the anti-corrosion layer 9.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. Device for preventing rivet head from loosening, comprising a rivet sleeve (1), characterized in that: the anti-corrosion rivet comprises a rivet sleeve (1), and is characterized in that a waterproof layer (8) is arranged on the outer surface of the rivet sleeve (1), an anti-corrosion layer (9) is arranged on the outer surface of the waterproof layer (8), a sleeve (4) is fixedly arranged at one end of the rivet sleeve (1), a disassembling component (5) is arranged on the outer surface of the sleeve (4), through holes for installing a rivet body (6) are formed in the rivet sleeve (1), the sleeve (4) and the disassembling component (5), a locking component (2) is arranged at one end of the rivet sleeve (1), and a rivet head (3) is arranged at the other end of the locking component (2);

the locking assembly (2) comprises a loop bar (201), one end of the loop bar (201) is fixedly connected with the rivet body (6), the other end of the loop bar (201) is fixedly connected with the rivet head (3), the inner wall of the loop bar (201) is symmetrically provided with a placing groove for installing the telescopic bars (204), and the telescopic ends of the two telescopic bars (204) are fixedly provided with clamping blocks (202);

the two telescopic rods (204) are sleeved with first springs (203), and two ends of each first spring (203) are fixedly connected with the inner wall of the placing groove and the outer wall of the clamping block (202) respectively.

2. A device for preventing loosening of rivet heads according to claim 1, wherein: the inside of sleeve (4) is offered draw-in groove (7) with fixture block (202) looks adaptation.

3. A device for preventing loosening of rivet heads according to claim 1, wherein: the disassembly assembly (5) comprises a hollow round block (501), through holes for installing pull rods (502) are formed in the upper end and the lower end of the hollow round block (501), pull blocks (504) are fixedly installed at opposite ends of the pull rods (502), second springs (503) are sleeved outside the pull rods (502), and two ends of the second springs (503) are fixedly connected with the side walls of the pull blocks (504) and the outer wall of the hollow round block (501) respectively.

4. A device for preventing loosening of rivet heads according to claim 1, wherein: the outer surface of the sleeve (4) is provided with a through hole matched with the pull rod (502).

5. A device for preventing loosening of rivet heads according to claim 1, wherein: the waterproof layer (8) is made of waterproof paint.

6. A device for preventing loosening of rivet heads according to claim 1, wherein: the anti-corrosion layer (9) is made of anti-corrosion paint.

7. A device for preventing loosening of a rivet head according to claim 3, characterized in that: the pull blocks (504) are arranged in a circular structure.