CN219139587U

CN219139587U - Detachable locking double-end stud

Info

Publication number: CN219139587U
Application number: CN202223556555.3U
Authority: CN
Inventors: 马凤科; 李光普; 刘斌
Original assignee: Jiangsu Xinhengsheng Machinery Technology Co ltd
Current assignee: Jiangsu Xinhengsheng Machinery Technology Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-06-06
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a detachable anti-loosening double-end stud which comprises a connecting column, wherein a first screw head is fixed at the top end of the connecting column, a hexagon head is arranged in the middle of the upper end of the first screw head, screw holes are formed in the hexagon head and the middle of the first screw head, a T-shaped screw rod penetrates through the screw holes, a sliding plate is connected to the bottom end of the T-shaped screw rod, and four connecting rods are annularly arranged at the periphery of the bottom end of the sliding plate. The beneficial effects are that: according to the utility model, after connection and fixation, the sliding plate can move downwards along the sliding cavity by rotating the T-shaped screw rod, so that the anti-loosening push plate is pushed out of the sliding groove through the connecting rod in the sliding plate moving downwards process, the anti-loosening performance of the double-end stud is effectively improved under the condition that a rubber pad on the anti-loosening push plate is tightly attached to an installation screw hole on an external connecting piece, looseness of the double-end stud caused by external load vibration, change, high-temperature creep of materials and other factors is avoided, and the use reliability of the double-end stud is improved.

Description

Detachable locking double-end stud

Technical Field

The utility model relates to the technical field of studs, in particular to a detachable anti-loosening stud.

Background

The stud is also called a stud, refers to a cylindrical fastener with threads at two ends, and is widely applied to electric power, chemical industry, oil refining, valves, railways, bridges, steel structures, steam friction fittings, machinery, boiler steel structures, towers, large-span steel structures, large-scale buildings and the like.

The patent number CN201120505604.3 discloses a novel easy-to-disassemble stud, which comprises a screw rod and threads, wherein the threads are arranged at two ends of the stud, a groove is formed at the top of one end of the stud, a shallow groove is formed in the middle of the screw rod, and the conventional tool can be used as a tool for single-head tightening or disassembling of the stud, so that the simplicity and convenience of disassembly are greatly improved; when the stud is tightened, the damage of the screw to the screw thread caused by the traditional back screw can be avoided, and the tightening degree of the bolt can be ensured.

The stud bolt disclosed in the above patent can be conveniently and rapidly detached by being matched with an external tool when in use, but is easily affected by external load vibration, change, high-temperature creep of materials and other factors in the use process to reduce friction force, so that threaded connection is loosened, and the reliability of the stud bolt in the use process is greatly reduced.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to solve the technical problem of the prior art and provides a detachable anti-loosening stud capable of improving the anti-loosening performance of a stud by increasing friction.

(II) technical scheme

The utility model is realized by the following technical scheme: the utility model provides a detachable anti-loosening double-end stud, which comprises a connecting column, wherein a first screw head is fixed at the top end of the connecting column, a hexagon head is arranged in the middle of the upper end of the first screw head, screw holes are formed in the hexagon head and the middle of the first screw head, a T-shaped screw rod penetrates through the screw holes, a sliding plate is connected to the bottom end of the T-shaped screw rod, four connecting rods are annularly arranged at the periphery of the bottom end of the sliding plate, an anti-loosening push plate is connected to the bottom end of the connecting rod, a rubber pad is fixed on the side wall of the anti-loosening push plate opposite to the connecting rod, a sliding cavity is formed in the connecting column opposite to the sliding plate, and a sliding groove is formed in the connecting column opposite to the anti-loosening push plate.

Further, a second screw head is fixed at the bottom end of the connecting column, the second screw head and the first screw head have the same rod diameter, and the second screw head is longer than the first screw head.

Through adopting above-mentioned technical scheme, design so that this double-end double-screw bolt can carry out convenient connection to two spare parts that the connecting aperture is the same when using and fix.

Further, the first screw head and the second screw head are both formed on the connecting column, and external threads are formed on the first screw head and the second screw head.

By adopting the technical scheme, the design can ensure the reliable installation and fixation of the first screw head and the second screw head.

Further, the T-shaped screw rod is connected with the screw hole in a screwed mode, and the T-shaped screw rod is connected with the sliding plate in a rotating mode.

By adopting the technical scheme, after the first screw head is fixedly connected with the second screw head, the T-shaped screw rod is screwed into the screw hole, so that the sliding plate moves downwards.

Furthermore, the sliding plate is of a circular plate-shaped structure, and the sliding plate is in sliding connection with the sliding cavity.

By adopting the technical scheme, the sliding plate can realize the downward pressing of the connecting rod after moving downwards in the sliding cavity, so that the anti-loosening push plate is pushed out of the sliding groove under the action of the connecting rod.

Further, the connecting rod is hinged with the anti-loosening push plate and the sliding plate, and the rubber pad is adhered with the anti-loosening push plate.

Through adopting above-mentioned technical scheme, locking push pedal just can realize after pushing out to the spout outside the rubber pad is with outside to press the closely laminating of screw to increase the locking performance of this stud through the mode that increases frictional force.

Further, the anti-loosening push plate is in sliding connection with the sliding groove, and the sliding groove is communicated with the sliding cavity.

By adopting the technical scheme, the design can ensure the reliable connection of the anti-loosening push plate and the connecting rod.

(III) beneficial effects

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

in order to solve the problem that the existing stud can be conveniently and rapidly disassembled by being matched with an external tool when in use, friction force is easy to be reduced due to the influence of external load vibration, change, high-temperature creep of materials and the like in the use process, so that threaded connection is loose, and reliability of the stud in the use process is greatly reduced.

Drawings

FIG. 1 is a schematic view of a removable check stud according to the present utility model;

fig. 2 is a front cross-sectional view of a removable check stud according to the present utility model.

The reference numerals are explained as follows:

1. a T-shaped screw; 2. a hexagonal head; 3. a first screw head; 4. a connecting column; 5. a second screw head; 6. a rubber pad; 7. a screw hole; 8. a connecting rod; 9. an anti-loosening push plate; 10. a sliding cavity; 11. a chute; 12. and (3) a sliding plate.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1-2, a detachable locking stud in this embodiment, including spliced pole 4, spliced pole 4 top is fixed with first 3 of spiral shell, first 3 upper end mid-mounting of spiral shell has hexagon head 2, hexagon head 2 can cooperate with outside inner hexagonal spanner and realize convenient dismantlement of this stud, screw 7 has all been seted up at hexagon head 2 and first 3 middle part of spiral shell, run through in screw 7 has T type screw 1, T type screw 1 bottom is connected with slide 12, slide 12 bottom periphery is annular and installs four connecting rods 8, connecting rod 8 bottom is connected with locking push plate 9, locking push plate 9 is fixed with rubber pad 6 on the lateral wall of connecting rod 8 dorsad, sliding cavity 10 has been seted up to slide 12 department in spliced pole 4, chute 11 has been seted up to locking push plate 9 department in the spliced pole 4, second 5 of spiral shell bottom is fixed with spiral shell first 3, after the connection of spiral shell first 5 is fixed, only need inwards screw 7 with T type screw 1, so as to realize the downshift of slide 12, thereby realize that slide 8 can realize the effect under the cavity 10 and then realize that two external diameter of spiral shell head 8 is followed closely to push out the diameter at the side wall of spiral shell, thereby the same length of connecting rod 5 is realized at the spiral shell 3, the external diameter of connecting rod 5 is realized at the same end is realized to the external diameter of spiral shell and is adjusted to the spiral shell head 9, the external diameter is increased by the connecting rod is realized at the end of the spiral shell and is 5, the external diameter is increased to the spiral shell is 5.

As shown in fig. 1-2, in this embodiment, the first screw head 3 and the second screw head 5 are both formed on the connecting post 4, and external threads are formed on the first screw head 3 and the second screw head 5, so that the screw head 3 and the second screw head 5 can be reliably installed and fixed, the T-shaped screw 1 is screwed with the screw hole 7, the T-shaped screw 1 is rotationally connected with the sliding plate 12, the sliding plate 12 is in a circular plate structure, the sliding plate 12 is slidably connected with the sliding cavity 10, the connecting rod 8 is hinged with the anti-loosening push plate 9 and the sliding plate 12, the rubber pad 6 is adhered with the anti-loosening push plate 9, the anti-loosening push plate 9 is slidably connected with the sliding groove 11, and the sliding groove 11 is communicated with the sliding cavity 10, so that the anti-loosening push plate 9 and the connecting rod 8 can be reliably connected.

The specific implementation process of this embodiment is as follows: when the anti-loosening double-end stud is used, the second screw head 5 is screwed onto one workpiece, the other workpiece penetrates through the first screw head 3, an external nut is screwed onto the first screw head 3, so that reliable connection and fixation between the two workpieces are realized, then the sliding plate 12 is only required to be moved downwards along the sliding cavity 10 by rotating the T-shaped screw rod 1, so that the anti-loosening push plate 9 is pushed out of the sliding groove 11 through the connecting rod 8 in the downward moving process of the sliding plate 12, the anti-loosening performance of the double-end stud can be effectively improved under the condition that the rubber pad 6 on the anti-loosening push plate 9 is tightly attached to the installation screw hole 7 on the external connecting piece, loosening of the double-end stud caused by external load vibration, change, high-temperature creep of materials and other factors is avoided, and the use reliability of the double-end stud is improved.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A detachable locking double-end stud which characterized in that: including spliced pole (4), spliced pole (4) top is fixed with first (3) of spiral shell, first (3) upper end mid-mounting of spiral shell has hexagon head (2), hexagon head (2) and first (3) middle part of spiral shell all has seted up screw (7), run through in screw (7) have T type screw rod (1), T type screw rod (1) bottom is connected with slide (12), slide (12) bottom periphery is annular and installs four connecting rods (8), connecting rod (8) bottom is connected with locking push pedal (9), locking push pedal (9) are facing away from be fixed with rubber pad (6) on the lateral wall of connecting rod (8), just in spliced pole (4) slide chamber (10) have been seted up to slide (12) department, just in spliced pole (4) spout (11) have been seted up in locking push pedal (9) department.

2. The detachable check stud according to claim 1, wherein: the screw head II (5) is fixed at the bottom end of the connecting column (4), the screw head II (5) and the screw head I (3) have the same rod diameter, and the length of the screw head II (5) is greater than that of the screw head I (3).

3. The detachable locking stud according to claim 2, wherein: the first screw head (3) and the second screw head (5) are both formed on the connecting column (4), and external threads are formed on the first screw head (3) and the second screw head (5).

4. The detachable check stud according to claim 1, wherein: the T-shaped screw (1) is screwed with the screw hole (7), and the T-shaped screw (1) is rotationally connected with the sliding plate (12).

5. The detachable check stud according to claim 1, wherein: the sliding plate (12) is of a circular plate-shaped structure, and the sliding plate (12) is in sliding connection with the sliding cavity (10).

6. The detachable check stud according to claim 1, wherein: the connecting rod (8) is hinged with the anti-loosening push plate (9) and the sliding plate (12), and the rubber pad (6) is adhered with the anti-loosening push plate (9).

7. The detachable check stud according to claim 1, wherein: the anti-loosening push plate (9) is in sliding connection with the sliding groove (11), and the sliding groove (11) is communicated with the sliding cavity (10).