CN218325708U

CN218325708U - Reinforced bolt fastener

Info

Publication number: CN218325708U
Application number: CN202222778428.1U
Authority: CN
Inventors: 潘桂华
Original assignee: Zhuorong Precision Manufacturing Jiangsu Co ltd
Current assignee: Zhuorong Precision Manufacturing Jiangsu Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-01-17
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a reinforced bolt fastener, which relates to the technical field of bolt fastening and comprises a bolt rod, a double-nut anti-loosening component and a gasket anti-loosening component; bolt bar: the upper end is fixedly connected with a nut; double-nut anti-loose assembly: the bolt is arranged in the middle of the bolt rod; the washer anti-loosening assembly: contain the packing ring, lower packing ring, latch one and wedge one, the middle part threaded connection of shank of bolt has last packing ring, the middle part of shank of bolt is located packing ring downside threaded connection and has lower packing ring, the upper end of going up the packing ring is equipped with a plurality of annular latch one, go up a plurality of wedge one of lower extreme week side fixedly connected with of packing ring, go up packing ring and latch one and can carry out the chucking to the bottom of nut two, avoided traditional friction locking to lead to long-time load after, produce not hard up influence to can stabilize nut two and last packing ring, can double-deck strengthen fastening between bolt and the nut, even can not take place not hard up under long-time vibration yet, finally can avoid the emergence of accident.

Description

Reinforced bolt fastener

Technical Field

The utility model relates to a bolt-up technical field specifically is a reinforcement type bolt fastener.

Background

The fastener is a mechanical part which is used for fastening and connecting and has wide application, the fastener has wide application industries, including the industries of energy, electronics, electrical appliances, machinery, chemical engineering, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical engineering, instruments, supplies and the like, and the fastener is a mechanical basic part which has the most wide application. It features that the fastening pieces of existing national standard are called standard fastening pieces or standard parts for short, and the expansion bolt fastening piece is a special screw connector for fixing pipeline support, hanger, bracket and equipment on wall, floor and column.

Wherein among the prior art to the fastening between bolt and the nut difficult to strengthen, can lead to taking place not hard up like this under long-time vibration between bolt and the connected piece, can cause the emergence of accident at last.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a reinforcement type bolt fastener, can double-deck enhancement to the fastening between bolt and the nut, even can not take place not hard up under long-time vibration yet, finally can avoid the emergence of accident, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a reinforced bolt fastener comprises a bolt rod, a double-nut anti-loosening assembly and a gasket anti-loosening assembly;

bolt bar: the upper end is fixedly connected with a nut;

double-nut anti-loose assembly: is arranged in the middle of the bolt rod;

the gasket locking assembly: contain packing ring, lower packing ring, latch one and wedge one, the middle part threaded connection of shank of bolt has last packing ring, the middle part of shank of bolt is located packing ring downside threaded connection and has lower packing ring, the upper end of going up the packing ring is equipped with a plurality of annular latch one, go up a plurality of wedges of lower extreme week side fixedly connected with of packing ring one, go up packing ring and latch one and can carry out the chucking to the bottom of nut two, avoided traditional friction locking to lead to long-time load after, produce not hard up influence to can stabilize nut two and last packing ring.

Further, the packing ring locking subassembly still contains two and latch two wedge blocks the lower extreme week side fixedly connected with of packing ring is a plurality of latch two down, the upper end week side fixedly connected with of packing ring is a plurality of two wedge blocks down, two wedge blocks can with the mutual chucking of wedge block, rotate the packing ring make one wedge block pass through and the wedge effect between two wedge blocks, lock upper washer and lower packing ring.

Furthermore, two nut locking components contain nut one and locking post, the bolt pole middle part is located the washer upside threaded connection and has nut one, a plurality of locking posts of fixedly connected with are surveyed all around to the lower extreme of nut one, rotate nut one and make locking post can vertical removal.

Furthermore, the double-nut anti-loosening assembly further comprises a second nut, the middle of the bolt rod is located on the lower side of the nut and is connected with the second nut in a threaded mode, the lower end of the second nut abuts against the first clamping tooth, and the second nut can vertically move along the bolt rod by rotating the second nut until the second nut abuts against the first clamping tooth, so that the lower end of the second nut can be fixed.

Further, two nut locking subassemblies still contain shallow spout and dark spout, shallow spout has been seted up to the upper end week side of nut two, the side that the upper end of nut two is located shallow spout has seted up dark spout, and the locking post can vertical removal to by sliding to dark spout, and when taking place not hard up, shallow spout can support the pressure to the side of locking post, prevents that the locking post from rotating, finally prevents that nut one from rotating to reach reinforced effect.

Further, still contain the connecting piece, the lower extreme threaded connection of shank of bolt has the connecting piece, the upper end and the two chucking of latch of connecting piece, thereby the upper end of connecting piece through with two chucking of latch have guaranteed that the lower gasket can not take place relative rotation with the shank of bolt, finally make nut two and the shank of bolt can not take place relative rotation to reach and consolidate nut two and connecting piece.

Compared with the prior art, the beneficial effects of the utility model are that: this reinforcement type bolt fastener has following benefit:

1. this reinforcement type bolt fastener has set up the locking subassembly of packing ring, goes up packing ring and latch one and can carry out the chucking to the bottom of nut two, has avoided traditional friction locking to lead to long-time load after, produces not hard up influence to can stabilize nut two and go up the packing ring.

2. The reinforced bolt fastener utilizes the wedge effect, rotates the upper washer to enable the first wedge block to be connected with the second wedge block in a wedge shape, and locks the upper washer and the lower washer.

3. This reinforcement type bolt fastener has set up two nut locking subassemblies, rotates nut two and can make nut two along the vertical removal of shank of bolt, until supporting tightly with latch one to the lower extreme that can fixation nut two when taking place not hard up, shallow spout can support the pressure to the side of locking post, prevents that the locking post from rotating, finally prevents that nut one from rotating, thereby reaches reinforced effect.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic view of the upper side structure of the present invention;

FIG. 3 is a right side schematic view of the present invention;

fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 3 according to the present invention.

In the figure: the locking device comprises a nut 1, a bolt 2, a nut 3 double-nut locking assembly, a nut 31I, a locking column 32, a nut 33 II, a shallow sliding groove 34, a deep sliding groove 35, a connecting piece 4, a washer 5 locking assembly, an upper washer 51, a lower washer 52, a latch 53I, a wedge 54I, a wedge 55 II and a latch 56.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present embodiment provides a technical solution: a reinforced bolt fastener comprises a bolt rod 2, a double-nut anti-loosening assembly 3 and a gasket anti-loosening assembly 5;

the bolt rod 2: the upper end is fixedly connected with a nut 1;

double-nut anti-loose assembly 3: is arranged in the middle of the bolt rod 2; the double-nut anti-loose assembly 3 comprises a first nut 31 and locking columns 32, the first nut 31 is in threaded connection with the middle of the bolt rod 2 and is positioned on the upper side of the upper washer 51, the locking columns 32 are fixedly connected to the periphery of the lower end of the first nut 31, and the first nut 31 is rotated to enable the locking columns 32 to move vertically.

The double-nut anti-loose assembly 3 further comprises a second nut 33, the middle of the bolt rod 2 is located on the lower side of the first nut 31 and is in threaded connection with the second nut 33, the lower end of the second nut 33 is tightly abutted to the first latch 53, and the second nut 33 can vertically move along the bolt rod 2 by rotating the second nut 33 until the second nut is tightly abutted to the first latch 53, so that the lower end of the second nut 33 can be fixed.

The double-nut anti-loose assembly 3 further comprises a shallow sliding groove 34 and a deep sliding groove 35, the shallow sliding groove 34 is formed in the peripheral side of the upper end of the second nut 33, the deep sliding groove 35 is formed in the side face, located on the shallow sliding groove 34, of the upper end of the second nut 33, the locking column 32 can vertically move to the deep sliding groove 35 through sliding, when loosening occurs, the shallow sliding groove 34 can abut against the side end of the locking column 32, the locking column 32 is prevented from rotating, the first nut 31 is finally prevented from rotating, and therefore the reinforcing effect is achieved.

Washer anti-loosening assembly 5: contain packing ring 51, lower packing ring 52, a latch 53 and a wedge 54, the middle part threaded connection of shank of bolt 2 has last packing ring 51, the middle part of shank of bolt 2 is located packing ring 51 downside threaded connection and has lower packing ring 52, the upper end of going up packing ring 51 is equipped with a plurality of annular latches 53, go up a plurality of wedges 54 of lower extreme week side fixedly connected with of packing ring 51, go up packing ring 51 and latch 53 and can carry out the chucking to the bottom of two 33 nuts, avoided traditional locking of friction to lead to long-time load after, produce not hard up influence, thereby can stabilize two 33 nuts and go up packing ring 51.

The washer anti-loose assembly 5 further comprises a second wedge block 55 and a second latch 56, wherein the second latch 56 is fixedly connected to the peripheral side of the lower end of the lower washer 52, the second wedge block 55 is fixedly connected to the peripheral side of the upper end of the lower washer 52, the second wedge block 55 can be tightly clamped with the first wedge block 54, and the upper washer 51 and the lower washer 52 are locked through the wedge effect between the first wedge block 54 and the second wedge block 55 by rotating the upper washer 51.

Still contain connecting piece 4, the lower extreme threaded connection of shank of bolt 2 has connecting piece 4, the upper end and the second 56 chucking of latch of connecting piece 4, thereby the upper end of connecting piece 4 through with the second 56 chucking of latch have guaranteed that lower gasket 52 can not take place relative rotation with shank of bolt 2, finally make second 33 of nuts and shank of bolt 2 can not take place relative rotation to reach two 33 of reinforcing nuts and connecting piece 4.

The utility model provides a pair of reinforcement type bolt fastener's theory of operation as follows: the first nut 31 is rotated to enable the locking column 32 to vertically move, the second nut 33 is rotated to enable the second nut 33 to vertically move along the bolt rod 2 until the second nut 33 is tightly abutted to the first latch 53, so that the lower end of the second nut 33 can be fixed, when loosening occurs, the shallow sliding groove 34 can abut against the side end of the locking column 32 to prevent the locking column 32 from rotating, and finally the first nut 31 is prevented from rotating, so that a reinforcing effect is achieved, the bottom end of the second nut 33 can be clamped by the upper washer 51 and the first latch 53, the long-time load caused by traditional friction locking is avoided, the loosening influence is avoided, so that the second nut 33 and the upper washer 51 can be stabilized, the upper washer 51 is rotated to enable the first wedge 54 to pass through the wedge effect between the first wedge 55 and the second wedge, the upper washer 51 and the lower washer 52 are locked, the upper end of the connecting piece 4 is tightly abutted to the second latch 56 so that the lower washer 52 cannot relatively rotate with the bolt rod 2, and finally the second nut 33 and the connecting piece 4 cannot relatively rotate, and the reinforcing nut 33 and the connecting piece 4 are achieved.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A reinforcement type bolt fastener characterized in that: the bolt locking device comprises a bolt rod (2), a double-nut locking assembly (3) and a gasket locking assembly (5);

bolt shank (2): the upper end is fixedly connected with a nut (1);

double-nut anti-loose assembly (3): is arranged in the middle of the bolt rod (2);

gasket anti-loose assembly (5): contain packing ring (51), lower gasket (52), latch (53) and wedge (54), the middle part threaded connection of shank of bolt (2) has last packing ring (51), the middle part of shank of bolt (2) is located packing ring (51) downside threaded connection and has lower packing ring (52), the upper end of going up packing ring (51) is equipped with a plurality of annular latch (53), go up a plurality of wedges (54) of lower extreme week side fixedly connected with of packing ring (51).

2. The reinforced bolt fastener of claim 1, wherein: the washer locking assembly (5) further comprises two wedge blocks (55) and two latch teeth (56), the lower end periphery of the lower washer (52) is fixedly connected with the two wedge teeth (56), the upper end periphery of the lower washer (52) is fixedly connected with the two wedge blocks (55), and the two wedge blocks (55) can be mutually clamped with the one wedge block (54).

3. A reinforced bolt fastener according to claim 1, wherein: double nut locking subassembly (3) contain nut (31) and locking post (32), the bolt bar (2) middle part is located washer (51) upside threaded connection and has nut (31), a plurality of locking posts (32) of fixedly connected with are surveyed all around to the lower extreme of nut (31).

4. A reinforced bolt fastener according to claim 3, wherein: the double-nut anti-loosening assembly (3) further comprises a second nut (33), the middle of the bolt rod (2) is located on the lower side of the first nut (31) and is in threaded connection with the second nut (33), and the lower end of the second nut (33) is tightly abutted to the first latch (53).

5. A reinforced bolt fastener according to claim 4, wherein: the double-nut anti-loosening assembly (3) further comprises a shallow sliding groove (34) and a deep sliding groove (35), the shallow sliding groove (34) is formed in the peripheral side of the upper end of the second nut (33), and the deep sliding groove (35) is formed in the side face, located on the shallow sliding groove (34), of the upper end of the second nut (33).

6. The reinforced bolt fastener of claim 1, wherein: the bolt is characterized by further comprising a connecting piece (4), the lower end of the bolt rod (2) is in threaded connection with the connecting piece (4), and the upper end of the connecting piece (4) is clamped with the second clamping tooth (56).