CN215171454U

CN215171454U - Anti-drop bolt assembly for mechanical configuration

Info

Publication number: CN215171454U
Application number: CN202120637116.1U
Authority: CN
Inventors: 刘逸晴
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-12-14
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses an anti-drop bolt assembly for mechanical configuration, including the screw rod, first barrel top surface fixedly connected with annular barrel, be equipped with the barrel directly over the annular barrel top surface, the barrel bottom is inserted into annular barrel, barrel and annular barrel swivelling joint, the lateral wall passes through glue fixedly connected with rubber circle in the first barrel, the annular lateral wall laminates with the inner arc surface of rubber circle, the cover has the second spring on the montant, the second spring top laminates with the annular bottom surface, the second spring bottom laminates with the forked tail piece top surface, the second spring is compression spring, the top surface annular fixedly connected with a plurality of stoppers in the barrel, a plurality of stoppers and logical groove-one-to-one correspondence, the stopper sets up directly over logical groove-, the thickness of sliding ring has 5mm-8mm, the barrel adopts alloy steel material to make, can realize the fixed with screw rod and nut, the nut is effectual to prevent to drop, the potential safety hazard is reduced, the safety performance of machinery is improved, and the use requirement is met.

Description

Anti-drop bolt assembly for mechanical configuration

Technical Field

The utility model relates to an auto parts technical field, concretely relates to anti-drop bolt assembly is used in mechanical configuration.

Background

A bolt is a mechanical part, a cylindrical threaded fastener matched with a nut, a fastener composed of a head part and a screw (a cylinder with an external thread) needs to be matched with the nut and is used for fastening and connecting two parts with through holes, the connection form is called bolt connection, if the nut is screwed off from the bolt, the two parts can be separated, so the bolt connection belongs to detachable connection, the bolt is widely applied in mechanical production, the bolt needs to be matched with the nut for use under most conditions, and the nut is easy to fall off due to various reasons when the bolt is connected for a long time, so that the bolt connection fails, potential safety hazards exist, and the use requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of the existence, the utility model provides an anti-drop bolt assembly is used in mechanical configuration.

The utility model discloses a realize through following technical scheme:

an anti-drop bolt assembly for mechanical configuration comprises a screw rod, wherein a nut matched with the screw rod is sleeved on the screw rod in a threaded manner, the cross section of the nut is in a regular polygon shape, a disc is fixedly connected to the bottom end of the screw rod, a first barrel body is arranged under the disc, the cross section of the first barrel body is in the regular polygon shape, a square rod is fixedly connected to the bottom surface of the disc, the bottom end of the square rod penetrates through the first barrel body and is fixedly connected with the inner bottom surface of the first barrel body, a sliding ring is sleeved on the square rod in a sliding manner, a plurality of through grooves are annularly formed in the outer wall of the sliding ring, a U-shaped rod is arranged on the bottom surface of the first barrel body, the top end of the U-shaped rod penetrates through the first barrel body and is fixedly connected with the bottom surface of the sliding ring, the U-shaped rod is slidably connected with the first barrel body, the bottom surface of the U-shaped rod and the bottom surface of the first barrel body are positioned on the same plane, a first spring is sleeved on the square rod, and the top end of the first spring is attached to the bottom surface of the sliding ring, the first spring is a compression spring, the bottom surface in the first barrel is annularly provided with a dovetail groove-, the dovetail groove-inner joint sliding is provided with two dovetail blocks, the top surfaces of the dovetail blocks are fixedly connected with a vertical rod, the top surface of the first barrel is fixedly connected with an annular barrel, a barrel is arranged right above the top surface of the annular barrel, the bottom end of the barrel is inserted into the annular barrel, the barrel is rotatably connected with the annular barrel, the top end of the vertical rod sequentially penetrates through the barrel and a nut and extends to the outside, the vertical rod is respectively and slidably connected with the barrel and the nut, the joint sliding sleeve on the vertical rod is provided with a vertical pipe, the top end of the vertical pipe is fixedly connected with the bottom surface of the barrel, the vertical rod is provided with a ring in a sliding sleeve manner, the top surface of the ring is fixedly connected with the bottom surface of the vertical pipe, the ring is arranged on the first barrel and is jointed with the inner top surface of the first barrel, and the inner side wall of the first barrel is fixedly connected with a rubber ring through glue, the novel dovetail groove is characterized in that the circular ring side wall is attached to the inner arc surface of the rubber ring, a second spring is sleeved on the vertical rod, the top end of the second spring is attached to the bottom surface of the circular ring, the bottom end of the second spring is attached to the top surface of the dovetail block, the second spring is a compression spring, a plurality of limit blocks are fixedly connected to the inner top surface of the barrel in an annular mode, the limit blocks correspond to the through grooves one to one, and the limit blocks are arranged right above the through grooves.

Preferably, the thickness of the slip ring is 5mm to 8 mm.

Preferably, the cylinder is made of alloy steel materials.

Compared with the prior art, the beneficial effects of the utility model are that: this device simple structure, the function is various, and the practicality is strong, can realize the fixed with screw rod and nut through setting up square pole, sliding ring, U-shaped pole, first spring, dovetail piece, montant, annular staving, barrel, standpipe, ring, rubber circle, second spring and stopper, effectually prevents that the nut from droing, reduces the potential safety hazard, increases the security performance of machinery, satisfies the user demand.

Drawings

FIG. 1 is a block diagram of the present invention;

fig. 2 is a partial top view of the structure of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of the present invention;

fig. 4 is a schematic view of the structure of the present invention.

In the figure: the device comprises a screw rod 1, a nut 2, a disc 3, a first barrel body 4, a square rod 5, a sliding ring 6, a U-shaped rod 7, a first spring 8, a dovetail block 9, a vertical rod 10, an annular barrel body 11, a barrel body 12, a vertical pipe 13, a circular ring 14, a rubber ring 15, a second spring 16, a limiting block 17, a dovetail groove 4-1 and a through groove 6-1.

Detailed Description

The invention will be described in further detail with reference to the following detailed description and accompanying drawings:

as shown in fig. 1, 2, 3 and 4, the anti-falling bolt assembly for mechanical configuration comprises a screw rod 1, a nut 2 matched with the screw rod 1 is sleeved on the screw rod 1 in a threaded manner, the cross section of the nut 2 is a regular polygon, a disc 3 is fixedly connected to the bottom end of the screw rod 1, a first barrel 4 is arranged under the disc 3, the cross section of the first barrel 4 is a regular polygon, a square rod 5 is fixedly connected to the bottom surface of the disc 3, the bottom end of the square rod 5 penetrates through the first barrel 4 and is fixedly connected with the inner bottom surface of the first barrel, a slip ring 6 is sleeved on the square rod 5 in a fit and sliding manner, a plurality of through grooves 6-1 are annularly formed in the outer wall of the slip ring 6, a U-shaped rod 7 is arranged on the bottom surface of the first barrel 4, the top end of the U-shaped rod 7 penetrates through the first barrel 4 and is fixedly connected with the bottom surface of the slip ring 6, and the U-shaped rod 7 is slidably connected with the first barrel 4, the bottom surface of a cross rod of the U-shaped rod 7 and the bottom surface of the first barrel body 4 are positioned on the same plane, the square rod 5 is sleeved with a first spring 8, the top end of the first spring 8 is attached to the bottom surface of a sliding ring 6, the first spring 8 is a compression spring, a dovetail groove 4-1 is annularly formed in the bottom surface of the first barrel body 4, two dovetail blocks 9 are arranged in the dovetail groove 4-1 in an attaching and sliding mode, a vertical rod 10 is fixedly connected to the top surface of each dovetail block 9, an annular barrel body 11 is fixedly connected to the top surface of the first barrel body 4, a barrel body 12 is arranged right above the top surface of the annular barrel body 11, the bottom end of the barrel body 12 is inserted into the annular barrel body 11, the barrel body 12 is rotatably connected with the annular barrel body 11, the top end of the vertical rod 10 sequentially penetrates through the barrel body 12 and the nut 2 to extend to the outside, the vertical rod 10 is respectively connected with the barrel body 12 and the nut 2 in a sliding mode, a sliding vertical rod 13 is attached to the vertical rod 10, the improved barrel is characterized in that the top end of the vertical pipe 13 is fixedly connected with the bottom surface of the barrel body 12, the vertical rod 10 is sleeved with a circular ring 14 in a sliding mode, the top surface of the circular ring 14 is fixedly connected with the bottom surface of the vertical pipe 13, the circular ring 14 is arranged on the first barrel body 4 and is attached to the inner top surface of the first barrel body, the inner side wall of the first barrel body 4 is fixedly connected with a rubber ring 15 through glue, the side wall of the circular ring 14 is attached to the inner arc surface of the rubber ring 15, the vertical rod 10 is sleeved with a second spring 16, the top end of the second spring 16 is attached to the bottom surface of the circular ring 14, the bottom end of the second spring 16 is attached to the top surface of the dovetail block 9, the second spring 16 is a compression spring, the inner top surface of the barrel body 12 is fixedly connected with a plurality of limiting blocks 17, the limiting blocks 17 correspond to the through grooves 6-1 one to one, and the limiting blocks 17 are arranged right above the through grooves 6-1.

The thickness of the slip ring 6 is 5mm-8 mm.

The cylinder 12 is made of alloy steel material.

The working principle is as follows: placing a nut 2 at one end of the equipment, placing a first barrel 4 at the other end of the equipment, penetrating and inserting a vertical rod 10 into the nut 2, as shown in figure 1, then twisting the first barrel 4, driving a square rod 5 to rotate by the first barrel 4, driving a disc 3 to rotate by the square rod 5, driving a screw 1 to rotate in the nut 2 by the disc 3, driving the disc 3 to move by the screw 1, driving the disc 3 to move by the disc 3, driving the square rod 5 to move by the square rod 5, driving the first barrel 4 to move by the first barrel 4, driving a dovetail block 9 to move by the dovetail block 9, driving a second spring 16 to move by the dovetail block 9, driving a ring 14 to move by the second spring 16, driving a vertical pipe 13 to move by the vertical pipe 13, driving a barrel 12 to move gradually, adhering the barrel 12 to the surface of the equipment, continuing to rotate the first barrel 4, indirectly driving the barrel 12 by the first barrel 4, the equipment extrudes the barrel 12 to move, so that the barrel 12 is gradually inserted into the annular barrel body 11, the barrel body 12 drives the limiting block 17 to move, the limiting block 17 moves to extrude the sliding ring 6, the sliding ring 6 moves to extrude the first spring 8, the first barrel body 4 indirectly drives the sliding ring 6 to rotate, when the through groove 6-1 is positioned right above the limiting block 17, the first spring 8 pushes the sliding ring 6 to move, the sliding ring 6 drives the through groove 6-1 to be sleeved on the limiting block 17, as shown in figure 4, the vertical pipe 13 drives the circular ring 14 to move in the rubber ring 15 to extrude the second spring 16, so that the fixing of the screw rod 1 and the nut 2 is realized, the falling-off between the screw rod 1 and the nut 2 is effectively prevented, the arrangement of the first spring 8 and the second spring 16 effectively plays a resetting role to ensure the normal work of the device, the arrangement of the rubber ring 15 extrudes the circular ring 14 to enable the circular ring 14 to slowly slide, when the screw rod 1 and the nut 2 need to be separated, the U-shaped rod 7 is pulled manually, the U-shaped rod 7 drives the sliding ring 6 to move to extrude the first spring 8, the sliding ring 6 drives the through groove 6-1 to move to be separated from the limiting block 17, then the first barrel body 4 is screwed, and the first barrel body 4 indirectly drives the screw rod 1 to move to be separated from the nut 2.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an anti-drop bolt assembly is used in mechanical configuration, includes screw rod (1), threaded sleeve has assorted nut (2) with it on screw rod (1), nut (2) cross-section is regular polygon, its characterized in that: the bottom end of the screw rod (1) is fixedly connected with a disc (3), a first barrel body (4) is arranged under the disc (3), the cross section of the first barrel body (4) is in a regular polygon shape, a square rod (5) is fixedly connected with the bottom surface of the disc (3), the bottom end of the square rod (5) penetrates into the first barrel body (4) and is fixedly connected with the inner bottom surface of the first barrel body, a sliding ring (6) is sleeved on the square rod (5) in a fitting and sliding mode, a plurality of through grooves (6-1) are annularly formed in the outer wall of the sliding ring (6), a U-shaped rod (7) is arranged on the bottom surface of the first barrel body (4), the top end of the U-shaped rod (7) penetrates through the first barrel body (4) and is fixedly connected with the bottom surface of the sliding ring (6), the U-shaped rod (7) is slidably connected with the first barrel body (4), and the bottom surface of the cross rod (7) and the bottom surface of the first barrel body (4) are positioned on the same plane, the square rod (5) is sleeved with a first spring (8), the top end of the first spring (8) is attached to the bottom surface of the sliding ring (6), the first spring (8) is a compression spring, a dovetail groove (4-1) is annularly formed in the bottom surface of the first barrel body (4), two dovetail blocks (9) are arranged in the dovetail groove (4-1) in a fitting and sliding mode, a vertical rod (10) is fixedly connected to the top surface of each dovetail block (9), an annular barrel body (11) is fixedly connected to the top surface of the first barrel body (4), a barrel body (12) is arranged right above the top surface of the annular barrel body (11), the bottom end of the barrel body (12) is inserted into the annular barrel body (11), the barrel body (12) is rotatably connected with the annular barrel body (11), the top end of the vertical rod (10) sequentially penetrates through the barrel body (12) and the nut (2) to extend to the outside, and the vertical rod (10) is respectively slidably connected with the barrel body (12) and the nut (2), the vertical rod (10) is jointed with a vertical pipe (13) in a sliding way, the top end of the vertical pipe (13) is fixedly connected with the bottom surface of the barrel body (12), the vertical rod (10) is jointed with a ring (14) in a sliding way, the top surface of the ring (14) is fixedly connected with the bottom surface of the vertical pipe (13), the ring (14) is arranged on the first barrel body (4) and is jointed with the inner top surface thereof, the inner side wall of the first barrel body (4) is fixedly connected with a rubber ring (15) through glue, the side wall of the ring (14) is jointed with the inner arc surface of the rubber ring (15), the vertical rod (10) is sheathed with a second spring (16), the top end of the second spring (16) is jointed with the bottom surface of the ring (14), the bottom end of the second spring (16) is jointed with the top surface of the dovetail block (9), the second spring (16) is a compression spring, and the inner top surface of the barrel body (12) is fixedly connected with a plurality of limit blocks (17), the limiting blocks (17) are in one-to-one correspondence with the through grooves (6-1), and the limiting blocks (17) are arranged right above the through grooves (6-1).

2. A drop-preventing bolt assembly for mechanical collocation according to claim 1, wherein: the thickness of the slip ring (6) is 5mm-8 mm.

3. A drop-preventing bolt assembly for mechanical collocation according to claim 1, wherein: the cylinder body (12) is made of alloy steel materials.