CN219472522U - Screw not easy to loosen - Google Patents

Abstract

The application discloses a screw not easy to loosen, which comprises a screw, an anti-loosening mechanism and a fastening mechanism; the anti-loosening mechanism comprises a fixed sleeve, the fixed sleeve is sleeved at the top of a screw, the top end of the screw is fixedly connected with a bolt head, the bolt head is lapped on the bottom wall of the fixed sleeve, the top end of the fixed sleeve is fixedly connected with two connecting blocks, the two connecting blocks are spliced in connecting grooves, the two connecting grooves are respectively fixedly arranged at two ends of the bottom of the top cover, and the two connecting blocks are fixedly provided with splicing grooves. This application is with top cap overlap joint on fixed cover, and the connecting block is to the spread groove internal motion, promotes the sliding plate motion in to the fixed cavity of second with the spliced block, and the slider slides on fixed spout, and the second spring compresses, and the spliced block contacts with the spliced groove on the connecting block afterwards, and the second spring promotes the sliding plate motion, drives the spliced block grafting grass spliced groove, and is fixed to the top cap, prevents that external force rotation screw from leading to the screw not hard up.

Description

Screw not easy to loosen

Technical Field

The application relates to the field of screws, in particular to a screw not easy to loosen.

Background

The screw is a tool for progressively fastening the machine parts by utilizing the physical and mathematical principles of the inclined circular rotation and friction force of the object, and is an indispensable industrial necessity in daily life.

The existing screw is easy to loosen after being screwed up under the action of external force, so that the fixing effect of the screw is affected, and meanwhile, the screw is loosened when being used for a long time, so that the stability of the screw is poor. Therefore, a screw which is not easy to loosen is proposed to solve the above problems.

Disclosure of Invention

The embodiment provides a screw which is not easy to loosen, which is used for solving the problem that the screw in the prior art is easy to loosen due to external effects.

According to one aspect of the present application, there is provided a screw that is not easily loosened, including a screw, an anti-loosening mechanism, and a fastening mechanism;

the anti-loosening mechanism comprises a fixed sleeve, the fixed sleeve is sleeved at the top of a screw, the top end of the screw is fixedly connected with a bolt head, the bolt head is lapped on the bottom wall of the fixed sleeve, the top end of the fixed sleeve is fixedly connected with two connecting blocks, the two connecting blocks are spliced in connecting grooves, the two connecting grooves are respectively fixedly arranged at two ends of the bottom of a top cover, the two connecting blocks are fixedly provided with splicing grooves, the two splicing grooves are respectively internally spliced with splicing blocks, the two splicing blocks penetrate through the connecting grooves and the side wall of a second fixed cavity and extend into the second fixed cavity, and the other ends of the splicing blocks are fixedly connected with a sliding plate.

Further, a second spring is fixedly connected to the sliding plate, and the other end of the second spring is fixedly connected to the second fixing cavity.

Further, both ends of the sliding plate are fixedly connected with sliding blocks, two sliding blocks are slidably connected to the fixed sliding grooves, and the two fixed sliding grooves are fixedly arranged on the side wall of the second fixed cavity.

Further, the top of the top cover is fixedly connected with a T-shaped block.

Further, the fastening mechanism comprises a first fixing cavity, the first fixing cavity is fixedly arranged in the screw, two fixing rods are fixedly connected to the first fixing cavity respectively, two moving plates are sleeved on the two fixing rods in a sliding mode, a pushing plate is fixedly connected to the two moving plates, and the other ends of the pushing plate penetrate through two sides of the screw and extend to the outside.

Further, two moving plate both ends are respectively fixedly connected with first spring both ends, and two first springs cup joint on the dead lever.

Through above-mentioned embodiment of this application, adopted locking mechanism, solved the screw and received the not hard up problem of external effect easily, improved the stability of screw.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

fig. 3 is a schematic view of a partial enlarged structure at a of fig. 2 according to an embodiment of the present application.

In the figure: 1. a screw; 2. a push plate; 3. a moving plate; 4. a first fixed cavity; 5. a fixed rod; 6. a first spring; 7. a fixed sleeve; 8. a bolt head; 9. a T-shaped block; 10. a top cover; 11. a rubber block; 12. a second spring; 13. a second fixed cavity; 14. a sliding plate; 15. a plug-in groove; 16. a connecting groove; 17. a connecting block; 18. a plug block; 19. a slide block; 20. and fixing the sliding groove.

Detailed Description

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-3, a screw which is not easy to loosen comprises a screw 1, an anti-loosening mechanism and a fastening mechanism;

the anti-loosening mechanism comprises a fixing sleeve 7, the fixing sleeve 7 is sleeved at the top of a screw 1, a bolt head 8 is fixedly connected to the top end of the screw 1, the bolt head 8 is lapped on the bottom wall of the fixing sleeve 7, two connecting blocks 17 are fixedly connected to the top end of the fixing sleeve 7, the two connecting blocks 17 are inserted into connecting grooves 16, the two connecting grooves 16 are respectively fixedly arranged at two ends of the bottom of a top cover 10, two inserting grooves 15 are respectively fixedly arranged in the connecting blocks 17, inserting blocks 18 are respectively inserted into the inserting grooves 15, the other ends of the inserting blocks 18 penetrate through the connecting grooves 16 and the side wall of a second fixing cavity 13 and extend into the second fixing cavity 13, the other ends of the inserting blocks 18 are fixedly connected to a sliding plate 14, the top cover 10 is conveniently fixed through inserting between the inserting blocks 18 and the inserting grooves 15, and the screw 1 is prevented from loosening caused by external force.

The sliding plate 14 is fixedly connected with a second spring 12, and the other end of the second spring 12 is fixedly connected with a second fixed cavity 13, so that the second spring 12 can push the sliding plate 14 to move; the two ends of the sliding plate 14 are fixedly connected with sliding blocks 19, the two sliding blocks 19 are slidably connected to the fixed sliding grooves 20, and the two fixed sliding grooves 20 are fixedly arranged on the side wall of the second fixed cavity 13 so as to facilitate the movement of the sliding plate 14; the top of the top cover 10 is fixedly connected with a T-shaped block 9, so that the top cover 10 is convenient to pick up; the fastening mechanism comprises a first fixed cavity 4, the first fixed cavity 4 is fixedly arranged in the screw 1, two ends of two fixed rods 5 are fixedly connected to the first fixed cavity 4 respectively, two movable plates 3 are sleeved on the two fixed rods 5 in a sliding manner, a push plate 2 is fixedly connected to the two movable plates 3, and the other ends of the two push plates 2 extend to the outside through two sides of the screw 1, so that the screw 1 can be fastened conveniently; two moving plate 3 both ends are fixedly connected with first spring 6 both ends respectively, two first spring 6 cup joints on dead lever 5, and the first spring 6 of being convenient for promotes the moving plate 3 motion.

When the screw 1 is used, the bottom end of the screw 1 is placed into a hole of the screw 1, the cross groove at the top of the bolt head 8 is rotated, the screw 1 is screwed into the hole of the screw 1, meanwhile, the inner wall of the hole of the screw 1 pushes the two push plates 2 into the first fixed cavity 4, the movable plate 3 slides on the fixed rod 5, the first spring 6 compresses, the first spring 6 pushes the movable plate 3 to move, the push plates 2 are driven to move, so that the screw 1 is conveniently fastened in the hole of the screw 1, then the top cover 10 is lapped on the fixed sleeve 7, the connecting block 17 moves into the connecting groove 16, the plug block 18 pushes the sliding plate 14 to move into the second fixed cavity 13, the sliding block 19 slides on the fixed sliding groove 20, the second spring 12 compresses, then the plug block 18 contacts with the plug groove 15 on the connecting block 17, the second spring 12 pushes the sliding plate 14 to move, the plug block 18 is driven to be plugged into the plug groove 15, the top cover 10 is fixed, and the screw 1 is prevented from loosening due to external force rotating the screw 1.

The beneficial point of the application lies in:

1. according to the screw fixing device, the top cover is lapped on the fixing sleeve, the connecting block moves into the connecting groove, the plug-in block pushes the sliding plate to move into the second fixing cavity, the sliding block slides on the fixing sliding groove, the second spring is compressed, then the plug-in block is contacted with the plug-in groove on the connecting block, the second spring pushes the sliding plate to move, the plug-in block is driven to be plugged into the grass plug-in groove, the top cover is fixed, and the screw loosening caused by external force rotation of the screw is prevented;

2. this application is put into the screw hole with the screw bottom, rotates the cross recess at bolt head top, in with screw in screw hole, the screw hole inner wall promotes two push plates to first fixed cavity in simultaneously, and the movable plate slides on the dead lever, and first spring compression, first spring promote movable plate motion drives the push pedal motion to be convenient for screw fastening in the screw hole.

The related circuits, electronic components and modules are all in the prior art, and can be completely implemented by those skilled in the art, and needless to say, the protection of the present application does not relate to improvements of software and methods.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (6)

1. The utility model provides a difficult not hard up screw which characterized in that: comprises a screw (1), a locking mechanism and a fastening mechanism;

the anti-loosening mechanism comprises a fixing sleeve (7), the fixing sleeve (7) is sleeved at the top of a screw (1), a bolt head (8) is fixedly connected to the top end of the screw (1), the bolt head (8) is lapped on the bottom wall of the fixing sleeve (7), two connecting blocks (17) are fixedly connected to the top end of the fixing sleeve (7), the two connecting blocks (17) are inserted into connecting grooves (16), the two connecting grooves (16) are respectively fixedly arranged at two ends of the bottom of a top cover (10), the two connecting blocks (17) are fixedly provided with inserting grooves (15), the two inserting blocks (18) are inserted into the inserting grooves (15), the other ends of the inserting blocks (18) penetrate through the side walls of the connecting grooves (16) and the second fixing cavity (13) and extend into the second fixing cavity (13), and the other ends of the two inserting blocks (18) are fixedly connected to a sliding plate (14).

2. A screw as defined in claim 1, wherein: the sliding plate (14) is fixedly connected with a second spring (12), and the other end of the second spring (12) is fixedly connected to the second fixing cavity (13).

3. A screw as defined in claim 1, wherein: two ends of the sliding plate (14) are fixedly connected with sliding blocks (19), two sliding blocks (19) are slidably connected to the fixed sliding grooves (20), and the two fixed sliding grooves (20) are fixedly arranged on the side wall of the second fixed cavity (13).

4. A screw as defined in claim 1, wherein: the top of the top cover (10) is fixedly connected with a T-shaped block (9).

5. A screw as defined in claim 1, wherein: the fastening mechanism comprises a first fixing cavity (4), the first fixing cavity (4) is fixedly arranged in the screw (1), two fixing rods (5) are fixedly connected to the first fixing cavity (4) respectively, two fixing rods (5) are sleeved with two ends of two movable plates (3) in a sliding manner, two pushing plates (2) are fixedly connected to the movable plates (3), and the other ends of the pushing plates (2) penetrate through two sides of the screw (1) to extend to the outside.

6. The difficult-to-loosen screw of claim 5, wherein: two ends of the moving plate (3) are respectively and fixedly connected with two ends of a first spring (6), and the two first springs (6) are sleeved on the fixed rod (5).