Limiting assembly for preventing screw from falling off

Abstract

The screw anti-falling limiting assembly comprises a bolt, a shell is arranged below the bolt, a through opening is formed in the upper surface of the shell, a sleeve is fixedly embedded in the right side face of the shell, the inner wall of the sleeve is slidably connected with a connecting rod, the left end of the connecting rod is fixedly connected with a push plate, and the right end of the push plate is fixedly connected with a screw. The inner side wall of the shell is fixedly connected with a sliding rod, and the outer surface of the sliding rod is slidably connected with a sliding barrel. According to the device, through the design of a through opening, one end of a bolt can be conveniently inserted into the shell, meanwhile, according to cooperation of a sliding rod and a sliding cylinder, a push plate can move more stably, then tension provided by a tension spring is utilized, the push plate drives a connecting rod to slide in a sleeve under the action of the tension, and meanwhile through the thrust of the push plate, the connecting rod can move more stably. The positioning block is conveniently pushed to be inserted into the positioning groove, then the bolt is conveniently limited through cooperation of the positioning groove and the positioning block, the problem that the bolt falls off is avoided, and current use is facilitated.

Description

Technical Field

[0001] The utility model relates to the field of screws, in particular to a screw anti - falling limit component. Background Art

[0002] A screw is a common fastener used to fix two or more objects together. It consists of a helical thread and a head. The head can be of various shapes such as flat head, round head, and hexagonal head to adapt to different tools and usage scenarios.

[0003] At the present stage, during the use of screws, they are usually prone to looseness due to vibration, resulting in screw detachment and inability to fasten objects. This poses a relatively high risk, is likely to cause major accidents, and is not conducive to current use. Therefore, improvements are needed. For this reason, we propose a screw anti - falling limit component to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a screw anti - falling limit component to solve the problems raised in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A screw anti - falling limit component includes a bolt. A housing is provided below the bolt. An opening is formed on the upper surface of the housing. A sleeve is fixedly embedded on the right side surface of the housing. A connecting rod is slidably connected to the inner wall of the sleeve. The left end of the connecting rod is fixedly connected to a push plate. A sliding rod is fixedly connected to the inner side wall of the housing. A sliding cylinder is slidably connected to the outer surface of the sliding rod. The upper surface of the sliding cylinder is fixedly connected to the bottom surface of the push plate. A tension spring is fixedly connected to the inner side wall of the housing. The right end of the tension spring is fixedly connected to the left side surface of the push plate. A positioning block is fixedly connected to the left side surface of the push plate. A positioning groove is formed on the outer surface of the bolt.

[0007] In a further embodiment, a warning sign is provided in front of the housing, and the back surface of the warning sign is fixedly connected to the front surface of the housing.

[0008] In a further embodiment, a limiting plate is provided on the right side of the housing, and the left side surface of the limiting plate is fixedly connected to the right end of the connecting rod.

[0009] In a further embodiment, the sliding rod is adapted to the sliding cylinder, and the connecting rod is adapted to the sleeve.

[0010] In a further embodiment, a model label is provided above the bolt, and the bottom surface of the model label is fixedly connected to the upper surface of the bolt.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] Through the design of the through-port, one end of the bolt is facilitated to be inserted into the interior of the housing. Meanwhile, according to the cooperation of the slide rod and the sliding cylinder, the movement of the push plate is made more stable. Then, by using the pulling force provided by the tension spring, it is convenient for the push plate to drive the connecting rod to slide inside the sleeve under the pulling force. At the same time, through the thrust of the push plate, it is convenient to push the positioning block into the positioning groove. Then, by using the cooperation of the positioning groove and the positioning block, it is convenient to limit the bolt and avoid the problem of the bolt falling off, and it is beneficial for current use. Brief Description of the Drawings

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the overall screw anti-drop limit component;

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the side view of the housing of the screw anti-drop limit component;

[0015] Figure 3 It is a sectional view of the front view of the housing of the screw anti-drop limit component;

[0016] Figure 4 It is a three-dimensional structural schematic diagram of the front view of the push plate of the screw anti-drop limit component.

[0017] In the figure: 1, warning sign; 2, limit plate; 3, model label; 4, bolt; 5, through-port; 6, housing; 7, sleeve; 8, push plate; 9, slide rod; 10, tension spring; 11, sliding cylinder; 12, positioning block; 13, connecting rod; 14, positioning groove. Detailed Description of the Preferred Embodiments

[0018] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first", "second", etc. may explicitly or implicitly include one or more of such features. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more.

[0019] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figures 1-4 , in the present utility model, a screw anti-drop limit assembly includes a bolt 4. A housing 6 is provided below the bolt 4. A through hole 5 is formed in the upper surface of the housing 6. A sleeve 7 is fixedly embedded in the right side surface of the housing 6. A connecting rod 13 is slidably connected to the inner wall of the sleeve 7. The left end of the connecting rod 13 is fixedly connected to a push plate 8. A sliding rod 9 is fixedly connected to the inner side wall of the housing 6. A sliding cylinder 11 is slidably connected to the outer surface of the sliding rod 9. The upper surface of the sliding cylinder 11 is fixedly connected to the bottom surface of the push plate 8. A tension spring 10 is fixedly connected to the inner side wall of the housing 6. The right end of the tension spring 10 is fixedly connected to the left side surface of the push plate 8. A positioning block 12 is fixedly connected to the left side surface of the push plate 8. A positioning groove 14 is formed in the outer surface of the bolt 4. Through the design of the through hole 5, it is convenient for one end of the bolt 4 to be inserted into the interior of the housing 6. At the same time, according to the cooperation of the sliding rod 9 and the sliding cylinder 11, it is convenient for the push plate 8 to move more stably. Then, by using the pulling force provided by the tension spring 10, it is convenient for the push plate 8 to be driven by the pulling force to drive the connecting rod 13 to slide inside the sleeve 7. At the same time, through the pushing force of the push plate 8, it is convenient to push the positioning block 12 into the positioning groove 14. Then, by using the cooperation of the positioning groove 14 and the positioning block 12, it is convenient to limit the bolt 4 and avoid the problem of the bolt 4 falling off, and it is beneficial for current use.

[0022] A warning sign 1 is provided in front of the housing 6. The back surface of the warning sign 1 is fixedly connected to the front surface of the housing 6. The warning sign 1 is used to serve the purpose of warning. A limit plate 2 is provided on the right side of the housing 6. The left side surface of the limit plate 2 is fixedly connected to the right end of the connecting rod 13. The limit plate 2 is used to limit the connecting rod 13.

[0023] The slide rod 9 is matched with the slide cylinder 11, the connecting rod 13 is matched with the sleeve 7, and a model mark 3 is provided above the bolt 4. The bottom surface of the model mark 3 is fixedly connected to the upper surface of the bolt 4. The model mark 3 is used to facilitate users to understand the model of the bolt 4.

[0024] The working principle of the utility model is:

[0025] When in use, first use the combination of bolt 4 and nut to fix the object, then use the design of limit plate 2 to drive connecting rod 13 to slide inside sleeve 7, and make one end of bolt 4 pass through through opening 5, at the same time, according to the tension provided by tension spring 10, pull push plate 8 to drive slide cylinder 11 to move, and then according to the thrust of push plate 8, push positioning block 12 to insert into positioning groove 14, so as to prevent the screw from falling off.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A screw anti - falling limit component, characterized in that: It includes a bolt (4). Below the bolt (4), there is a housing (6). An opening (5) is formed in the upper surface of the housing (6). A sleeve (7) is fixedly embedded in the right side surface of the housing (6). A connecting rod (13) is slidably connected to the inner wall of the sleeve (7). The left end of the connecting rod (13) is fixedly connected to a push plate (8). A sliding rod (9) is fixedly connected to the inner side wall of the housing (6). A sliding cylinder (11) is slidably connected to the outer surface of the sliding rod (9). The upper surface of the sliding cylinder (11) is fixedly connected to the bottom surface of the push plate (8). A tension spring (10) is fixedly connected to the inner side wall of the housing (6). The right end of the tension spring (10) is fixedly connected to the left side surface of the push plate (8). A positioning block (12) is fixedly connected to the left side surface of the push plate (8). A positioning groove (14) is formed in the outer surface of the bolt (4).

2. The screw anti-dropping limit component according to claim 1, wherein: A warning sign (1) is provided in front of the housing (6). The back surface of the warning sign (1) is fixedly connected to the front surface of the housing (6).

3. The anti-dropping limit assembly for screws according to claim 1, characterized in that: A limiting plate (2) is provided on the right side of the housing (6). The left side surface of the limiting plate (2) is fixedly connected to the right end of the connecting rod (13).

4. The anti-loosening limit assembly for a screw according to claim 1, wherein: The sliding rod (9) is adapted to the sliding cylinder (11), and the connecting rod (13) is adapted to the sleeve (7).

5. A screw anti - shedding limit assembly according to claim 1, characterized in that: A model label (3) is provided above the bolt (4). The bottom surface of the model label (3) is fixedly connected to the upper surface of the bolt (4).

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