CN215409711U

CN215409711U - Hexagonal flange large-specification external member locknut

Info

Publication number: CN215409711U
Application number: CN202120255785.2U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jiaxing Jinlong Auto Parts Co ltd
Current assignee: Jiaxing Jinlong Auto Parts Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2022-01-04
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a large-size hexagonal flange external member locknut which comprises a threaded rod, wherein an anti-falling mechanism is arranged above the threaded rod, the middle inner wall of the nut is in threaded connection with the upper outer wall of the threaded rod, and the top edge of the nut is fixedly connected with a sleeve. The utility model relates to the technical field of a large-specification hexagonal flange external member check nut, wherein a curved rod rotates on the outer side of a connecting block through a pin shaft, the curved rod drives a vertical block to move towards the outer side of the outer wall of a cross rod, the cross rod moves on a vertical plate through the pin shaft to meet the moving angle of the vertical block on the cross rod, the vertical block provides the outward tensile force for a spring to stretch the spring on the outer wall of the cross rod, otherwise, the curved rod can reset through the elasticity of the spring, the curved rod drives an inclined block to rotate towards the inner side to reset, and the inclined block is tightly propped against a threaded rod to enable a sleeve to play a limiting role, so that the stability of a nut on the threaded rod is enhanced, the outer wall of the nut on the threaded rod is prevented from loosening, and the connection stability is enhanced.

Description

Hexagonal flange large-specification external member locknut

Technical Field

The utility model relates to the technical field of nuts, in particular to a large-specification hexagonal flange sleeve check nut.

Background

The nut is a nut and is a part which is screwed together with the bolt or the screw rod to play a role in fastening, one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, nonferrous metal (such as copper) and other types according to different materials, and a large-size sleeve of the hexagonal flange needs to be connected by the nut,

however, the nut of the large-specification external member of the existing hexagonal flange is loosened due to long-time use of the nut and the bolt, so that the problem of connection looseness is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a large-specification hexagonal flange sleeve check nut, which solves the problem that the existing large-specification hexagonal flange sleeve nut is loose in connection due to the fact that the nut and a bolt are loose after long-time use.

In order to achieve the purpose, the utility model provides the following technical scheme: a locknut of a large-size hexagonal flange external member comprises a threaded rod, wherein an anti-falling mechanism is arranged above the threaded rod;

the anti-falling mechanism comprises a nut, a sleeve, a groove, a vertical plate, a curved rod, a pin shaft, a connecting block, a vertical block, a cross rod, a spring, a top block and an inclined block;

the middle inner wall of the nut is in threaded connection with the upper outer wall of the threaded rod, the top end edge of the nut is fixedly connected with a sleeve, the middle inner wall of the sleeve is in clearance fit with the upper outer wall of the threaded rod, a groove is formed in the middle of the left side of the sleeve, a vertical plate is fixedly connected to the rear side surface of the left side of the groove, a curved rod is arranged on the right side of the vertical plate and is rotatably connected with a connecting block through a pin shaft, the left end of the connecting block is fixedly connected to the right end of the vertical plate, a vertical block is fixedly connected to the upper portion of the curved rod, a cross rod is in clearance fit with the middle inner wall of the vertical block, the left side of the cross rod is rotatably connected with the vertical plate through a pin shaft, a spring is fixedly connected to the right end of the vertical block, the inner wall of the spring is in clearance fit with the right outer wall of the cross rod, a top block is fixedly connected to the left end of the top block, and an oblique block is fixedly connected to the right end of the curved rod, the right end of the inclined block is attached to the outer wall of the left side above the threaded rod.

Preferably, the outer wall of the lower part of the curved rod is provided with grinding grains.

Preferably, the swash block is triangular.

Preferably, the swash blocks are symmetrically arranged about the threaded rod.

Preferably, the bottom rigid coupling of threaded rod has the spiral shell head, the below outer wall of threaded rod and the interior surface clearance fit of mounting hole, the middle inner wall at first panel and second panel is seted up to the mounting hole, the top of spiral shell head and the bottom intermediate phase laminating of second panel, laminate mutually with the bottom of nut in the middle of the top of first panel.

Preferably, the clearance distance between the mounting hole and the threaded rod is 0.1-0.2 cm.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: this big specification external member locknut of hexagonal flange, overall structure is comparatively novel, the operation degree of difficulty is low, bring the convenience of carrying for the user, good operation effect has, it is specifically beneficial, the knee-lever rotates in the outside on the connecting block through the round pin axle, the knee-lever drives the riser and moves to the outside at the outer wall of horizontal pole, and the horizontal pole passes through the round pin axle and moves about on the riser, satisfy the activity angle of riser on the horizontal pole, the riser makes the spring tensile at the outer wall of horizontal pole for the pulling force of spring to the outside, otherwise elasticity through the spring can make the knee-lever reset, the knee-lever drives the sloping block and rotates to the inboard and resets, the sloping block supports tightly on the threaded rod, make the sleeve play limiting displacement, thereby the steadiness of nut on the threaded rod has been strengthened, prevent that the nut is not hard up at the outer wall of threaded rod, reinforcing connection stability.

Drawings

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

FIG. 2 is a schematic structural view of a curved bar, a pin shaft and a connecting block of the present invention;

FIG. 3 is a schematic view of the construction of a curved bar, a swash block and a threaded bar of the present invention;

fig. 4 is a schematic structural view of a first plate, a second plate and a mounting hole of the utility model.

In the figure: 1. the anti-loosening device comprises a first plate, 2, a second plate, 3, a mounting hole, 4, a loosening prevention mechanism, 401, a nut, 402, a sleeve, 403, a groove, 404, a vertical plate, 405, a curved rod, 406, a pin shaft, 407, a connecting block, 408, a vertical block, 409, a cross rod, 410, a spring, 411, a top block, 412, an inclined block, 5, a threaded rod, 6 and a screw head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

Referring to fig. 1-4, the present invention provides a technical solution: a hexagonal flange large-specification suite locknut comprises a threaded rod 5, an anti-slip mechanism 4 is installed above the threaded rod 5, the anti-slip mechanism 4 comprises a nut 401, a sleeve 402, a groove 403, a vertical plate 404, a curved rod 405, a pin shaft 406, a connecting block 407, a vertical block 408, a cross rod 409, a spring 410, a top block 411 and an inclined block 412, the middle inner wall of the nut 401 is in threaded connection with the upper outer wall of the threaded rod 5, the top end edge of the nut 401 is fixedly connected with the sleeve 402, the middle inner wall of the sleeve 402 is in clearance fit with the upper outer wall of the threaded rod 5, the left middle of the sleeve 402 is provided with the groove 403, the left rear side surface of the left side of the groove 403 is fixedly connected with the vertical plate 404, the right side of the vertical plate 404 is provided with the curved rod 405, the curved rod 405 is rotatably connected with the connecting block 407 through the pin shaft 406, the curved rod 405 rotates on the outer side of the connecting block 407 through the pin shaft 406, the left end of the connecting block 407 is fixedly connected to the right end of the vertical plate 404, the vertical block 408 is fixedly connected above the curved rod 405, a cross rod 409 is in clearance fit with the middle inner wall of the vertical block 408, the left side of the cross rod 409 is rotatably connected with the vertical plate 404 through a pin shaft 406, the vertical block 408 is driven by the bent rod 405 to move outwards on the outer wall of the cross rod 409, the cross rod 409 moves on the vertical plate 404 through the pin shaft 406 to meet the moving angle of the vertical block 408 on the cross rod 409, a spring 410 is fixedly connected to the right end of the vertical block 408, the inner wall of the spring 410 is in clearance fit with the right outer wall of the cross rod 409, a top block 411 is fixedly connected to the right end of the spring 410, the cross rod 409 is fixedly connected to the middle of the left end of the top block 411, the spring 410 is stretched on the outer wall of the cross rod 409 by the outward pulling force of the vertical block 408, otherwise, the bent rod 405 can be reset through the elasticity of the spring 410, an inclined block 412 is fixedly connected to the right end of the bent rod 405, the right end of the inclined block 412 is attached to the left outer wall above the threaded rod 5, the inclined block 405 drives the inclined block 412 to rotate inwards and reset, the inclined block 412 is tightly abutted to the threaded rod 5, the sleeve 402 has a limiting effect, so that the stability of the nut 401 on the threaded rod 5 is enhanced, the nut 401 is prevented from loosening on the outer wall of the threaded rod 5, abrasive grains are processed on the outer wall below the curved rod 405, the friction force between the curved rod 405 and the hand is increased, the inclined blocks 412 are triangular, the curved rod 405 can be conveniently and tightly clamped on the outer wall of the threaded rod 5, and the inclined blocks 412 are symmetrically arranged relative to the threaded rod 5, so that the nut 401 is prevented from loosening;

in the specific implementation, it is worth noting that the outward pulling force of the vertical block 408 on the spring 410 causes the spring 410 to stretch on the outer wall of the cross rod 409, whereas the curved rod 405 can be reset by the elasticity of the spring 410.

The bottom end of the threaded rod 5 is fixedly connected with a screw head 6, the outer wall below the threaded rod 5 is in clearance fit with the inner surface of the mounting hole 3, the mounting hole 3 is formed in the inner wall between the first plate 1 and the second plate 2, the top end of the screw head 6 is attached to the bottom end of the second plate 2, the middle of the top end of the first plate 1 is attached to the bottom end of the nut 401, the threaded rod 5 penetrates through the mounting hole 3 in the first plate 1 and the second plate 2, the nut 401 is mounted, the nut 401 applies downward force to the first plate 1, the screw head 6 is tightly abutted to the second plate 2, the first plate 1 is connected with the second plate 2, the clearance distance between the mounting hole 3 and the threaded rod 5 is 0.1-0.2cm, and the first plate 1 is more stably connected with the second plate 2;

in the specific implementation process, it is worth pointing out that the threaded rod 5 passes through the mounting holes 3 on the first plate 1 and the second plate 2, the nut 401 is mounted, the nut 401 gives a downward force to the first plate 1, the screw head 6 is tightly pressed on the second plate 2, and the first plate 1 and the second plate 2 are connected together.

Through the above, the working principle of the large-specification external member locknut with the hexagonal flange is as follows: firstly, a threaded rod 5 penetrates through a mounting hole 3 on a first plate 1 and a second plate 2, a nut 401 is mounted, the nut 401 applies downward force to the first plate 1, a screw head 6 is tightly abutted to the second plate 2, the first plate 1 and the second plate 2 are connected together, a curved bar 405 rotates on an outer side of a connecting block 407 through a pin 406, the curved bar 405 drives a vertical block 408 to move on an outer wall of a cross bar 409 outwards, the cross bar 409 moves on a vertical plate 404 through the pin 406 to meet the moving angle of the vertical block 408 on the cross bar 409, the vertical block 408 applies outward tension to a spring 410 to stretch the outer wall of the cross bar 409, otherwise, the curved bar 405 can reset through the elasticity of the spring 410, the curved bar 405 drives an inclined block 412 to rotate inwards, the inclined block 412 is tightly abutted to the threaded rod 5, so that a sleeve 402 has a limiting effect, and the stability of the nut 401 on the threaded rod 5 is enhanced, preventing the nut 401 from loosening on the outer wall of the threaded rod 5.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a big specification external member locknut of hexagonal flange, includes threaded rod (5), its characterized in that: an anti-falling mechanism (4) is arranged above the threaded rod (5);

the anti-falling mechanism (4) comprises a nut (401), a sleeve (402), a groove (403), a vertical plate (404), a curved rod (405), a pin shaft (406), a connecting block (407), a vertical block (408), a cross rod (409), a spring (410), a top block (411) and an inclined block (412);

the middle inner wall of nut (401) and the top outer wall threaded connection of threaded rod (5), the top edge rigid coupling of nut (401) has sleeve (402), the middle inner wall of sleeve (402) and the top outer wall clearance fit of threaded rod (5), set up fluted (403) in the middle of the left side of sleeve (402), the left side rear side surface rigid coupling of recess (403) has riser (404), the right side of riser (404) is equipped with curved bar (405), curved bar (405) rotates with connecting block (407) through round pin axle (406) and links to each other, the left end rigid coupling of connecting block (407) is at the right-hand member of riser (404), the top rigid coupling of curved bar (405) has riser (408), the middle inner wall clearance fit of riser (408) has horizontal pole (409), the left side of horizontal pole (409) rotates with riser (404) through round pin axle (406) and links to each other, the right-hand member rigid coupling of riser block (408) has spring (410), the right side outer wall clearance fit of the inner wall of spring (410) and horizontal pole (409), the right-hand member rigid coupling of spring (410) has kicking block (411), the rigid coupling has horizontal pole (409) in the middle of the left end of kicking block (411), the right-hand member rigid coupling of curved bar (405) has sloping block (412), the right-hand member of sloping block (412) is laminated with the top left side outer wall of threaded rod (5) mutually.

2. The large-specification hexagonal flange set locknut of claim 1, wherein: the outer wall of the lower part of the curved rod (405) is provided with grinding grains.

3. The large-specification hexagonal flange set locknut of claim 1, wherein: the swash block (412) is triangular.

4. The large-specification hexagonal flange set locknut of claim 1, wherein: the oblique blocks (412) are arranged symmetrically with respect to the threaded rod (5).

5. The large-specification hexagonal flange set locknut of claim 1, wherein: the bottom rigid coupling of threaded rod (5) has spiral shell head (6), the below outer wall of threaded rod (5) and the interior surface clearance fit of mounting hole (3), the middle inner wall at first panel (1) and second panel (2) is seted up in mounting hole (3), laminate mutually in the middle of the top of spiral shell head (6) and the bottom of second panel (2), laminate mutually with the bottom of nut (401) in the middle of the top of first panel (1).

6. The large-specification hexagonal flange set locknut of claim 5, wherein: the clearance distance between the mounting hole (3) and the threaded rod (5) is 0.1-0.2 cm.