CN216788959U

CN216788959U - Screw rod with self-locking structure

Info

Publication number: CN216788959U
Application number: CN202123188634.9U
Authority: CN
Inventors: 王辉; 王继敏; 杨建兰
Original assignee: Guangdong Teyuan Energy Saving Technology Co ltd
Current assignee: Guangdong Teyuan Energy Saving Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-21
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a screw with a self-locking structure, which comprises a screw body, wherein the outer part of the screw body is provided with threads, the top end of the screw body is fixedly connected with a screw head, the top surface of the screw head is provided with a cross-shaped locking groove, the top surface of the screw head is penetrated and connected with a protection mechanism, one side of the screw head is provided with a self-locking mechanism, the bottom of the screw head is fixedly connected with a pressure plate, the outer part of the pressure plate is sleeved with a sealing plate, the top thread of the screw body is connected with a compression nut, the top of the compression nut is provided with an auxiliary mechanism, the self-locking function of the screw is realized through the arranged self-locking mechanism, a first fastening rod is rotated to push a supporting plate along with the screwing-in of the first fastening rod, the middle part of the supporting plate is rotationally connected with the inner wall of the screw body through a rotating column, and then the self-locking plate at the bottom of the supporting rod is pushed out, namely, one side at the bottom of the screw body is exposed, so that the screw body is locked to realize the self-locking effect, the use is safer and more reliable.

Description

Screw rod with self-locking structure

Technical Field

The utility model relates to the technical field of screws, in particular to a screw with a self-locking structure.

Background

Screw nut is as present most common connection fastening assembly, because have good fastening effect, and have extensive application in production life, along with the progress of social science and technology, industrial and agricultural production mechanization degree improves, has higher requirement to mechanical equipment's security, require that the connection between the spare part is safe and reliable more, otherwise can cause economic loss, and have certain danger, current screw rod has the problem that can not self-lock, in some machinery that can shake, the screw rod has the danger that is led to the pine by vibrations, or because of external factors leads to the interior tooth of screw rod to take place wearing and tearing, thereby the danger that the screw rod broke off the tooth appears.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a screw with a self-locking structure, which is used for solving the problems that the screw in the current market cannot be self-locked and the practical effect is not good enough, which are provided by the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a screw rod with from locking structure, includes the screw rod main part, the outside of screw rod main part is equipped with the screw thread, the top fixedly connected with spiral shell head of screw rod main part, cross locking groove has been seted up to the top surface of spiral shell head, the top surface interlude of spiral shell head is connected with protection machanism, one side of spiral shell head is equipped with self-locking mechanism, the bottom fixedly connected with clamp plate of spiral shell head.

In order to better compress the screw body, as a preferred scheme of the utility model: the top of the screw rod main body is in threaded connection with a compression nut, and an auxiliary mechanism is arranged at the top of the compression nut.

In order to have the self-locking function, the utility model adopts a preferable scheme that: self-locking mechanism includes first anchorage bar, the one end of first anchorage bar is equipped with the backup pad, the middle part of backup pad is connected through rotating the post and screw rod main part inner wall rotation, bottom one side fixedly connected with from the jam plate of backup pad, alternate with bottom one side of screw rod main part and be connected from one side of jam plate.

In order to better complete self-locking, the utility model adopts a preferable scheme that: one side of the top of the supporting plate is elastically connected with one side of the inner wall of the screw head through a spring.

In order to better protect the screw body, as a preferred scheme of the utility model: and a sealing plate is sleeved outside the pressing plate.

In order to make the locking groove on the screw head better, the utility model adopts a preferable scheme that: the protection mechanism comprises a protective cover, the top surface of the protective cover is fixedly connected with a pulling block, the two sides of the bottom of the protective cover are fixedly connected with inserting rods, the two sides of the top surface of the screw head are provided with inserting holes, and the two inserting holes are alternately connected with the two inserting rods.

For better use, as a preferred embodiment of the present invention: the auxiliary mechanism comprises a base plate fixedly connected to the top surface of the compression nut, the top of the base plate is rotatably connected with a brake block, one side of the brake block is in threaded connection with a second fastening rod, a plurality of threaded holes are formed in the top of one side of the screw rod main body, and one end of the second fastening rod is in threaded connection with the threaded holes.

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

1) the self-locking function of the screw is realized through the arranged self-locking mechanism, wherein the first fastening rod is rotated, the supporting plate is pushed along with the screwing of the first fastening rod, the middle part of the supporting plate is rotationally connected with the inner wall of the screw main body through the rotating column, and then the self-locking plate at the bottom of the supporting rod is pushed out, namely, the self-locking plate is exposed at one side of the bottom of the screw main body, so that the screw main body is locked to realize the self-locking effect, and the use is safer and more reliable;

2) compress tightly the screw rod main part through the gland nut who is equipped with, and then when using this screw rod, the effect of connecting is better, and be equipped with complementary unit and carry out spacing fixed with gland nut better, wherein carry out the screw in with the screw hole of second anchorage bar correspondence screw rod main part one side, and the second anchorage bar is fixed in one side of brake pads, the brake pads passes through the cushion and is connected with gland nut rotation, and then the locking of second anchorage bar and screw hole leads to the brake pads can't be rotated, gland nut passes through the screw rod main part the screw rod with tightly pushing down, and be equipped with the locking groove and the screw thread of visor and closing plate with better protection screw rod, thereby the effect of using is better.

Drawings

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

FIG. 2 is a schematic exploded view of the protection mechanism of the present invention;

FIG. 3 is a schematic cross-sectional front view of the present invention;

fig. 4 is an enlarged schematic view of the region a in fig. 3.

In the figure: 1. a screw body; 2. a thread; 3. a screw head; 4. a cross-shaped locking groove; 5. a protection mechanism; 51. a protective cover; 52. pulling the block; 53. a rod is inserted; 54. a jack; 6. a self-locking mechanism; 61. a first fastening rod; 62. a support plate; 63. rotating the column; 64. a self-locking plate; 65. a spring; 7. a compression nut; 8. an auxiliary mechanism; 81. a base plate; 82. a brake pad; 83. a second fastening rod; 84. a threaded hole; 9. pressing a plate; 10. and (7) sealing the plate.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a screw rod with from locking structure, includes screw rod main part 1, and the outside of screw rod main part 1 is equipped with screw thread 2, and the top fixedly connected with spiral shell head 3 of screw rod main part 1, cross locking groove 4 has been seted up to the top surface of spiral shell head 3, and the top surface interlude of spiral shell head 3 is connected with protection machanism 5, and one side of spiral shell head 3 is equipped with self-locking machanism 6, and the bottom fixedly connected with clamp plate 9 of spiral shell head 3.

Further, the top threaded connection of screw rod main part 1 has gland nut 7, and gland nut 7's top is equipped with complementary unit 8, screws on screw rod main part 1 through gland nut 7 to carry on spacingly and compress tightly it, thereby connect the effect of fastening better.

Further, self-locking mechanism 6 includes first anchorage bar 61, the one end of first anchorage bar 61 is equipped with backup pad 62, the middle part of backup pad 62 is connected with the rotation of screw rod main part 1 inner wall through rotating post 63, bottom one side fixedly connected with of backup pad 62 is from jam plate 64, it is connected to alternate in one side of jam plate 64 and screw rod main part 1's bottom one side, make inside its screw in screw rod main part 1 through rotating first anchorage bar 61, and then promote backup pad 62, the middle part of backup pad 62 is connected with screw rod main part 1 inner chamber rotation through rotating post 63, and then bottom one side of backup pad 62 is released from jam plate 64, expose from jam plate 64 on one side of the bottom of screw rod main part 1 promptly, thereby accomplish the auto-lock.

Furthermore, one side of the top of the supporting plate 62 is elastically connected with one side of the inner wall of the screw head 3 through a spring 65, and the self-locking plate 64 is reset through the spring 65 in a better help manner, so that the use is more convenient.

Furthermore, a sealing plate 10 is sleeved outside the pressing plate 9, the thread main body 1 is protected through the sealing plate 10, and the threads on the surface of the thread main body are prevented from being corroded by liquid.

Further, protection mechanism 5 includes visor 51, and visor 51's top surface fixedly connected with draws piece 52, the equal fixedly connected with inserted bar 53 in visor 51's bottom both sides, and jack 54 has all been seted up to the top surface both sides of spiral shell head 3, and two jacks 54 alternate with two inserted bars 53 to be connected, correspond jack 54 through the inserted bar 53 with visor 51 bottom and insert, and then accomplish the protection to cross locking groove 4.

Further, the auxiliary mechanism 8 comprises a backing plate 81 fixedly connected to the top surface of the compression nut 7, a brake block 82 is rotatably connected to the top of the backing plate 81, a second fastening rod 83 is in threaded connection with one side of the brake block 82, a plurality of threaded holes 84 are formed in the top of one side of the screw body 1, one end of the second fastening rod 83 is in threaded connection with the threaded holes 84, the second fastening rod 83 on one side of the second fastening rod is correspondingly screwed into the threaded holes 84 on one side of the top of the screw body 1 by rotating the brake block 82, so that braking is completed, and the compression nut 7 is fixed in a limiting mode.

The working principle is as follows: when the screw with the self-locking structure is used, firstly, a user screws in the screw body 1 through the hole positions which need to be connected correspondingly, so that the connection and fastening effects of the screw body are realized, then, self-locking is realized through the self-locking mechanism 6, wherein, the screw body 1 is screwed in the screw body 1 through rotating the first fastening rod 61, so that the supporting plate 62 is pushed, the middle part of the supporting plate 62 is rotatably connected with the inner cavity of the screw body 1 through the rotating column 63, and then, the self-locking plate 64 at one side of the bottom of the supporting plate 62 is pushed out, namely, the self-locking plate 64 is exposed at one side of the bottom of the screw body 1, so that self-locking is completed, and the user can better help the screw body 1 to be connected and fastened through rotating the compression nut 7 and limit and fix the compression nut 7 through the auxiliary mechanism 8, wherein, the second fastening rod 83 at one side of the braking block 82 is screwed in correspondingly to the threaded hole 84 at one side of the top of the screw body 1 through rotating the braking block 82, thereby accomplish the braking, gland nut 7 is fixed by spacing promptly to this screw connection fastening effect is better, and uses safer and more reliable.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a screw rod with from keying structure, includes screw rod main part (1), its characterized in that: the screw rod is characterized in that threads (2) are arranged outside the screw rod main body (1), a top end fixedly connected with screw head (3) of the screw rod main body (1), a cross-shaped locking groove (4) is formed in the top surface of the screw head (3), a protection mechanism (5) is connected to the top surface of the screw head (3) in an inserting mode, a self-locking mechanism (6) is arranged on one side of the screw head (3), and a pressing plate (9) is fixedly connected to the bottom of the screw head (3).

2. The screw with the self-locking structure as claimed in claim 1, wherein: the top of the screw rod main body (1) is in threaded connection with a compression nut (7), and an auxiliary mechanism (8) is arranged at the top of the compression nut (7).

3. The screw with the self-locking structure as claimed in claim 1, wherein: self-locking mechanism (6) include first anchorage bar (61), the one end of first anchorage bar (61) is equipped with backup pad (62), the middle part of backup pad (62) is connected with screw rod main part (1) inner wall rotation through rotating post (63), bottom one side fixedly connected with of backup pad (62) is from jam plate (64), alternate with bottom one side of screw rod main part (1) and be connected from one side of jam plate (64).

4. A screw with a self-locking structure according to claim 3, wherein: one side of the top of the supporting plate (62) is elastically connected with one side of the inner wall of the screw head (3) through a spring (65).

5. The screw with the self-locking structure as claimed in claim 1, wherein: and a sealing plate (10) is sleeved outside the pressing plate (9).

6. The screw with the self-locking structure as claimed in claim 1, wherein: protection mechanism (5) include visor (51), the top surface fixedly connected with of visor (51) draws piece (52), the equal fixedly connected with inserted bar (53) in bottom both sides of visor (51), jack (54) have all been seted up to the top surface both sides of spiral shell head (3), two jack (54) alternate with two inserted bar (53) and are connected.

7. The screw with the self-locking structure as claimed in claim 2, wherein: complementary unit (8) are including fixed connection in backing plate (81) of gland nut (7) top surface, the top of backing plate (81) is rotated and is connected with brake pad (82), one side threaded connection of brake pad (82) has second anchorage bar (83), a plurality of screw holes (84) have been seted up at one side top of screw rod main part (1), the one end and the screw hole (84) threaded connection of second anchorage bar (83).