CN216478366U

CN216478366U - Anti-loosening structure of high-strength bearing bolt

Info

Publication number: CN216478366U
Application number: CN202123249735.2U
Authority: CN
Inventors: 石维兴; 武雨超
Original assignee: Zhaoyuan Fangyuan High Strength Standard Parts Co ltd
Current assignee: Zhaoyuan Fangyuan High Strength Standard Parts Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-10
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to a bolt technical field especially relates to a locking structure of high strength bearing bolt, include the bolt body and two locking parts that form by bolt head, pole portion and screw thread portion an organic whole, two locking part symmetrical sleeve locates on the outer wall of pole portion, and the screw thread portion spiro union of bolt body has the nut, two locking part all includes the packing ring, the annular that perpendicular cross-section is the T shape is seted up to the top outer wall of packing ring, and the inner wall of annular rotates and is connected with the ring block that perpendicular cross-section is the T shape. The utility model discloses set up two locking parts, locking subassembly includes that packing ring and two block subassemblies constitute, adjusts the interval between two L shape risers through rotating two threaded rods, then rotates the changeable draw-in groove on the adjustable briquetting of two screws and bolt head or nut and form the joint cooperation, because of bolt head and nut all are the hexagonal shape, so can't rotate, and then realize locking effect.

Description

Anti-loosening structure of high-strength bearing bolt

Technical Field

The utility model relates to a bolt technical field especially relates to a locking structure of high strength bearing bolt.

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes.

Bearing bolt is used for on the fixed to the bearing frame mostly, but the not hard up condition emergence often can appear, and the bearing frame is used for being fixed in mostly of transmission shaft, in case appear not hard up can lead to the emergence of accident situation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a high-strength bearing bolt anti-loosening structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a locking structure of high strength bearing bolt, includes the bolt body and two locking parts that form by bolt head, pole portion and screw thread portion an organic whole, two locking part symmetry cover is located on the outer wall of pole portion, and the screw thread portion spiro union of bolt body has the nut, two locking part all includes the packing ring, the annular that vertical cross-section is the T shape is seted up to the top outer wall of packing ring, and the inner wall of annular rotates and is connected with the ring block that vertical cross-section is the T shape, the outer wall of ring block is fixed with the block subassembly of two symmetric distributions, and two packing rings are all overlapped and are established and slide on the outer wall of pole portion, one of them two block subassemblies on the packing ring form the joint cooperation with the bolt head, and two block subassemblies on another packing ring form the joint cooperation with the nut.

Preferably, the block subassembly includes L shape mounting plate, and two symmetric distribution's T shape spouts are seted up to the bottom inner wall of L shape mounting plate, and the equal sliding connection of inner wall of two T shape spouts has T shape slider, and the top of two T shape sliders is fixed with same L shape riser, and threaded hole is seted up to one side of L shape mounting plate, and the inner wall spiro union of threaded hole has the threaded rod, and the one end of threaded rod is passed through the bearing and is connected with L shape riser.

Preferably, the screw has been seted up to the top outer wall of L shape riser, and the inner wall spiro union of screw has the screw rod, and the bottom of screw rod is connected with briquetting down through the bearing, and the bottom outer wall of briquetting has seted up the polygon draw-in groove down, the inner wall of polygon draw-in groove is fixed with the slipmat.

Preferably, a limiting groove is formed in the inner wall of one side of the L-shaped vertical plate, a limiting block is connected to the inner wall of the limiting groove in a sliding mode, the limiting block is fixedly connected with the lower pressing block, and a protection gasket is fixed to the outer wall of one side, opposite to the gasket, of the two gaskets.

Preferably, the two polygonal clamping grooves on one of the clamping components are in clamping fit with two sides of the bolt head, and the two polygonal clamping grooves on the other clamping component are in clamping fit with two sides of the nut.

Preferably, the bolt head and the nut are hexagonal in shape, and two washers are located between the bolt head and the nut.

The utility model has the advantages that:

1. the anti-loosening structure of the high-strength bearing bolt is provided with two anti-loosening components, each anti-loosening component comprises a washer and two clamping components, the distance between two L-shaped vertical plates is adjusted by rotating two threaded rods, then the two threaded rods are rotated to adjust the multi-deformation clamping grooves on the lower pressing block to be in clamping fit with a bolt head or a nut, and the bolt head and the nut are hexagonal in shape and cannot rotate, so that the anti-loosening effect is realized;

2. this locking structure of high strength bearing bolt, whole structure sets up simply, and is with low costs, the follow-up dismantlement of being convenient for, and can not influence the bolt body and fix the bearing housing, and the cooperation of T shape spout and T shape slider and the cooperation of stopper and spacing groove have all improved the stability of locking part.

Drawings

Fig. 1 is a schematic perspective view of a locking component of a locking structure of a high-strength bearing bolt according to the present invention;

fig. 2 is a schematic view of a connection structure between a locking component and a bolt body of a locking structure of a high-strength bearing bolt provided by the utility model;

fig. 3 is a schematic view of the anti-loosening structure of the high-strength bearing bolt according to the present invention.

In the figure: the anti-skidding type bolt comprises a bolt head 1, a rod part 2, a thread part 3, a gasket 4, a ring block 5, a placement plate 6L, a sliding groove 7T, a sliding block 8T, a vertical plate 9L, a limiting groove 10, a limiting block 11, a lower pressing block 12, an anti-skidding pad 13, a screw rod 14, a threaded rod 15, a protective gasket 16, a nut 17 and a polygonal clamping groove 18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Embodiment 1, refer to fig. 1 to 3, an anti-loosening structure of a high-strength bearing bolt includes a bolt body formed by integrating a bolt head 1, a rod 2, and a threaded portion 3, and two anti-loosening members, wherein the two anti-loosening members are symmetrically sleeved on an outer wall of the rod 2, and a nut 17 is screwed on the threaded portion 3 of the bolt body;

the two anti-loosening components comprise gaskets 4, annular grooves with T-shaped vertical sections are formed in the outer walls of the tops of the gaskets 4, the inner walls of the annular grooves are rotatably connected with annular blocks 5 with T-shaped vertical sections, two clamping assemblies which are symmetrically distributed are fixed on the outer walls of the annular blocks 5, and the two gaskets 4 are sleeved on the outer walls of the rod parts 2 in a sliding mode;

the clamping component comprises an L-shaped mounting plate 6, the inner wall of the bottom of the L-shaped mounting plate 6 is provided with two T-shaped sliding grooves 7 which are symmetrically distributed, the inner walls of the two T-shaped sliding grooves 7 are connected with T-shaped sliding blocks 8 in a sliding mode, the top ends of the two T-shaped sliding blocks 8 are fixed with the same L-shaped vertical plate 9, one side of the L-shaped mounting plate 6 is provided with a threaded hole, the inner wall of the threaded hole is in threaded connection with a threaded rod 15, one end of the threaded rod 15 is connected with the L-shaped vertical plate 9 through a bearing, the distance between the two L-shaped vertical plates 9 is adjusted, and therefore a polygonal clamping groove 18 is attached to a bolt head 1 or a nut 17;

the outer wall of the top of the L-shaped vertical plate 9 is provided with a screw hole, the inner wall of the screw hole is in threaded connection with a screw rod 14, the bottom end of the screw rod 14 is connected with a lower pressing block 12 through a bearing, the outer wall of the bottom of the lower pressing block 12 is provided with a polygonal clamping groove 18, an anti-slip pad 13 is fixed on the inner wall of the polygonal clamping groove 18, the polygonal clamping groove 18 is in clamping fit with a bolt head 1 or a nut 17, and therefore rotation of the bolt head 1 or the nut 17 is avoided, and looseness cannot occur;

limiting groove 10 has been seted up to one side inner wall of L shape riser 9, and the inner wall sliding connection of limiting groove 10 has stopper 11, stopper 11 and lower briquetting 12 fixed connection, and two relative one side outer walls of packing ring 4 all are fixed with protection gasket 16, have increased locking part's stability.

Embodiment 2, optimization is performed on the basis of embodiment 1, the bolt head 1 and the nut 17 are both hexagonal, the two washers 4 are located between the bolt head 1 and the nut 17, and the polygonal clamping groove 18 does not form a rotating fit with the hexagonal bolt head 1 or the nut 17;

two clamping components on one washer 4 are in clamping fit with the bolt head 1, and two clamping components on the other washer 4 are in clamping fit with the nut 17.

The working principle is as follows:

when the bearing seat is used, the washer 4 is sleeved on the rod part 2, then the bearing seat can be fixed by screwing the nut 17, then the two threaded rods 2 close to the bolt head 1 are rotated to drive the two L-shaped vertical plates 9 to be close to the bolt head 1, then the annular block 5 and the annular groove form a rotating fit, the polygonal clamping groove 18 and the bolt head 1 can be clamped, and then the two threaded rods 14 are rotated to drive the anti-skid pads 13 on the two polygonal clamping grooves 18 and two sides of the bolt head 1 to form a clamping fit;

then, the clamping operation can be completed by repeating the operation close to the two clamping components on the screw cap 17, so that the anti-loosening operation is completed.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a locking structure of high strength bearing bolt, includes bolt body and two locking parts that form by bolt head (1), pole portion (2) and screw thread portion (3) an organic whole, its characterized in that, two locking part symmetry cover is located on the outer wall of pole portion (2), and the screw thread portion (3) spiro union of bolt body has nut (17), two locking part all includes packing ring (4), the annular of vertical cross-section for the T shape is seted up to the top outer wall of packing ring (4), and the inner wall of annular rotates and is connected with vertical cross-section for the ring block (5) of T shape, the outer wall of ring block (5) is fixed with the block subassembly of two symmetric distributions, and two packing rings (4) all overlap and establish and slide on the outer wall of pole portion (2), one of them two block subassemblies on packing ring (4) form the joint cooperation with bolt head (1), and two clamping components on the other gasket (4) are in clamping fit with the screw cap (17).

2. The anti-loosening structure of the high-strength bearing bolt as claimed in claim 1, wherein the clamping component comprises an L-shaped mounting plate (6), two T-shaped sliding grooves (7) which are symmetrically distributed are formed in the inner wall of the bottom of the L-shaped mounting plate (6), T-shaped sliding blocks (8) are connected to the inner walls of the two T-shaped sliding grooves (7) in a sliding mode, the top ends of the two T-shaped sliding blocks (8) are fixed to the same L-shaped vertical plate (9), a threaded hole is formed in one side of the L-shaped mounting plate (6), a threaded rod (15) is screwed into the inner wall of the threaded hole, and one end of the threaded rod (15) is connected with the L-shaped vertical plate (9) through a bearing.

3. The anti-loosening structure of the high-strength bearing bolt according to claim 2, wherein the top outer wall of the L-shaped vertical plate (9) is provided with a screw hole, the inner wall of the screw hole is screwed with a screw rod (14), the bottom end of the screw rod (14) is connected with a lower pressing block (12) through a bearing, the bottom outer wall of the lower pressing block (12) is provided with a polygonal clamping groove (18), and the inner wall of the polygonal clamping groove (18) is fixed with an anti-slip pad (13).

4. The anti-loosening structure of the high-strength bearing bolt according to claim 2, wherein a limiting groove (10) is formed in the inner wall of one side of the L-shaped vertical plate (9), a limiting block (11) is connected to the inner wall of the limiting groove (10) in a sliding mode, the limiting block (11) is fixedly connected with the lower pressing block (12), and two protective gaskets (16) are fixed to the outer wall of the opposite side of the gasket (4).

5. The anti-loose structure of the high-strength bearing bolt according to claim 1, wherein two polygonal slots (18) on one of the clamping components are in clamping fit with two sides of the bolt head (1), and two polygonal slots (18) on the other clamping component are in clamping fit with two sides of the nut (17).

6. A high strength bearing bolt looseness prevention structure according to claim 1, wherein the bolt head (1) and the nut (17) are both hexagonal in shape, and two washers (4) are located between the bolt head (1) and the nut (17).