Flat-head limiting screw shaped like Chinese character'mi '

Abstract

The utility model relates to the technical field of flat head bolts, in particular to a flat head *-shaped limiting screw which comprises a screw body and a connecting assembly, the screw body is arranged at the top of the screw body, the screw body comprises a nut, the nut is fixedly connected to the top of the screw body, a *-shaped flower groove I is formed in the middle of the top of the nut, and a groove II is formed in the middle of the top of the nut. A second *-shaped planter is formed in the bottom of the inner wall of the first *-shaped planter, a third *-shaped planter is formed in the middle of the top of the nut, and a fourth *-shaped planter is formed in the bottom of the inner wall of the second *-shaped planter. According to the flat-end *-shaped limiting screw, by installing the connecting assembly, the screw can be matched with different screwdrivers to be used, it is guaranteed that the screwdrivers are adjusted to be stable in stress, objects can be conveniently connected and fixed, a worker can conveniently fix the screw, and the assembling work efficiency can be improved; and meanwhile, the knife edge is arranged in the screw, so that the assembly of any object is not influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of flat head bolts, in particular to a flat head Pozidriv limit screw. Background Art

[0002] The flat head bolt is a mechanical part, a PT movable fastener, which has a high load-bearing capacity and strong tensile performance. It can connect and fix two or more objects by engaging with the thread groove opened on the object.

[0003] However, the blade design of the flat head bolt is currently single and can only be used with one type of screwdriver. It may happen that the screwdriver cannot adapt to the blade of the bolt, making it more difficult to fix the bolt to the object, thereby affecting work efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a flat head Pozi limit screw to solve the problem that the blade design of the flat head bolt proposed in the above background technology is single and can only be adapted to a screwdriver for use. To achieve the above purpose, the utility model provides the following technical solutions: a flat head Pozi limit screw, including a screw body and a connecting assembly, the screw body is arranged at the top of the screw body, the screw body includes a nut, the nut is fixedly connected to the top of the screw body, a Pozi flower groove 1 is provided in the middle of the top of the nut, a Pozi flower groove 2 is provided at the bottom of the inner wall of the Pozi flower groove 1, a Pozi flower groove 3 is provided in the middle of the top of the nut, and a Pozi flower groove 4 is provided at the bottom of the inner wall of the Pozi flower groove 2, by installing the connecting assembly, the screw can be adapted to different screwdrivers for use, ensuring that the force of the adjusting screwdriver is stable, facilitating the connection and fixing of the object, allowing the staff to conveniently fix the screw, and improving the efficiency of the assembly work, while the blade is arranged inside the screw without affecting the assembly of any object.

[0005] Further preferably, the outer side of the screw body is provided with screw threads, the bottom of the screw body is fixedly connected with a fixing rod, the top of the fixing rod is fixedly connected with a connecting head, and the bottom of the connecting head is provided with a groove. Through the set screw threads, no iron filings will remain in the tooth socket, no rotten teeth will occur, the tooth path is clear, and it is smooth and silky when used. The thickness of the screw is double chamfered, and the automatic machine assembly will not get stuck, which is easy to install, thereby improving work efficiency.

[0006] Further preferably, limiting slide grooves are provided on both sides of the inner wall of the groove, the top of the inner wall of the groove is fixedly connected with a spring, the inner wall of the limiting slide groove is slidably connected with a limiting block, the top of the limiting block is fixedly connected to the bottom of the spring, and the bottom of the limiting block is fixedly connected with a ball, so that the screw thread can fit tightly with the thread of the fixing groove, thereby improving the firmness of the screw and the object.

[0007] Compared with the prior art, the utility model has the following beneficial effects:

[0008] In the utility model, by installing the connecting component, the screw can be adapted to be used with different screwdrivers, thereby ensuring that the force of the adjusting screwdriver is stable, facilitating the connection and fixation of objects, allowing workers to conveniently fix the screws, and improving the efficiency of assembly work. At the same time, the blade is arranged inside the screw and will not affect the assembly of any object.

[0009] In the utility model, by setting the screw thread, no iron filings will remain in the tooth groove, no rotten teeth will occur, the tooth path is clear, it is smooth and silky when in use, the thickness of the screw thread is double chamfered, the automatic machine assembly will not get stuck, and it is easy to install, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0012] Figure 3 This is a schematic diagram of the three-dimensional structure of the screw thread of the utility model;

[0013] Figure 4 This is a schematic diagram of the three-dimensional structure of the connection assembly of the utility model;

[0014] Figure 5 This is a three-dimensional enlarged structural diagram of the connection component of the utility model;

[0015] Figure 6 It is a schematic diagram of the enlarged cross-section structure of the connection component of the utility model.

[0016] In the figure: 1. Screw body; 2. Connecting assembly; 201. Nut; 202. Pozidriv flower groove one; 203. Pozidriv flower groove two; 204. Pozidriv flower groove three; 205. Pozidriv flower groove four; 3. Screw thread; 4. Fixing rod; 5. Connecting head; 6. Groove; 7. Limiting slide groove; 8. Spring; 9. Limiting block; 10. Ball bearing. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-Figure 6 The utility model provides a technical solution: a flat head Pozi limit screw, comprising a screw body 1 and a connecting assembly 2, wherein the screw body 1 is arranged at the top of the screw body 1, the screw body 1 comprises a nut 201, the nut 201 is fixedly connected to the top of the screw body 1, a Pozi flower groove 1 202 is provided in the middle of the top of the nut 201, a Pozi flower groove 203 is provided at the bottom of the inner wall of the Pozi flower groove 1 202, a Pozi flower groove 3 204 is provided in the middle of the top of the nut 201, and the inner wall of the Pozi flower groove 203 is provided A four mitre flower groove 205 is provided at the bottom of the wall, and the staff can insert the connecting end of the screwdriver into the connecting groove of the nut 201, and different screwdrivers can be adapted for use through the provided mitre flower groove 1 202, mitre flower groove 203, mitre flower groove 3 204, and mitre flower groove 4 205. Then the staff can twist the screwdriver, and the screwdriver can drive the screw body 1 to rotate through the mitre flower groove 1 202, mitre flower groove 203, mitre flower groove 3 204, and mitre flower groove 4 205.

[0019] In this embodiment, Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 As shown, a screw thread 3 is provided on the outer side of the screw body 1, a fixing rod 4 is fixedly connected to the bottom of the screw body 1, a connecting head 5 is fixedly connected to the top of the fixing rod 4, a groove 6 is provided at the bottom of the connecting head 5, and the screw body 1 drives the screw thread 3 to rotate so that the screw thread 3 can be meshed and connected with the connecting groove, so that the screw body 1 fixing rod 4 and the connecting head 5 can enter a fixed state with the object, so that the object can be fixed.

[0020] Limiting grooves 7 are provided on both sides of the inner wall of the groove 6, a spring 8 is fixedly connected to the top of the inner wall of the groove 6, a limiting block 9 is slidably connected to the inner wall of the limiting groove 7, the top of the limiting block 9 is fixedly connected to the bottom of the spring 8, and a ball 10 is fixedly connected to the bottom of the limiting block 9. When the screw body 1 moves downward, the screw body 1 will squeeze the ball 10, so that the ball 10 will move upward when under pressure. By installing the spring 8, the limiting groove 7 and the limiting block 9 can be used in coordination to give the screw body 1 an upward force, so that the screw thread 3 can fit tightly with the thread of the fixing groove.

[0021] The use method and advantages of the utility model: When the flat head Pozidriv limit screw is used, the working process is as follows:

[0022] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, when the screw is needed to fix an object, the staff can place the screw inside the fixing groove, and then the staff can insert the connecting end of the screwdriver into the connecting groove of the nut 201, and different screwdrivers can be adapted for use through the provided Mi-shaped flower groove 1 202, Mi-shaped flower groove 203, Mi-shaped flower groove 3 204, and Mi-shaped flower groove 4 205. Then the staff can twist the screwdriver, and the screwdriver can drive the screw body 1 to rotate through the Mi-shaped flower groove 1 202, Mi-shaped flower groove 203, Mi-shaped flower groove 3 204, and Mi-shaped flower groove 4 205, and the screw body 1 drives the screw teeth 3 to rotate, so that the screw teeth 3 can be meshed and connected with the connecting groove, so that the screw body 1 can be connected with the fixing rod 4 and the connecting head 5. The screw body 1 enters a fixed state with the object so that it can fix the object. At the same time, when the screw body 1 moves downward, the screw body 1 will squeeze the ball 10, so that the ball 10 will move upward when under pressure. Through the installed spring 8, the limited slide groove 7 and the limit block 9 can be used in coordination to give the screw body 1 an upward force, so that the screw thread 3 can fit tightly with the thread of the fixing groove, and then the screwdriver can be pulled out. When the screw body 1 needs to be taken out, the staff can insert the connecting end of the screwdriver into the connecting groove of the nut 201 again, and then twist it in the opposite direction to make the screw body 1 drive the screw thread 3 to rotate, so that the screw body 1 can be released from the fixed state with the object and the screw body 1 can be taken out.

[0023] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A flat head Pozidriv limit screw, comprising a screw body (1) and a connecting assembly (2), characterized in that: The screw body (1) is arranged at the top of the screw body (1), and the screw body (1) comprises a nut (201), and the nut (201) is fixedly connected to the top of the screw body (1), and a first cross-shaped groove (202) is provided in the middle of the top of the nut (201), and a second cross-shaped groove (203) is provided at the bottom of the inner wall of the first cross-shaped groove (202), a third cross-shaped groove (204) is provided in the middle of the top of the nut (201), and a fourth cross-shaped groove (205) is provided at the bottom of the inner wall of the second cross-shaped groove (203).

2. A flat head Pozidriv limit screw according to claim 1, characterized in that: The outer side of the screw body (1) is provided with a screw thread (3), the bottom of the screw body (1) is fixedly connected to a fixing rod (4), the top of the fixing rod (4) is fixedly connected to a connecting head (5), and the bottom of the connecting head (5) is provided with a groove (6).

3. A flat head Pozidriv limit screw according to claim 2, characterized in that: Limiting slide grooves (7) are provided on both sides of the inner wall of the groove (6); a spring (8) is fixedly connected to the top of the inner wall of the groove (6); a limiting block (9) is slidably connected to the inner wall of the limiting slide groove (7); the top of the limiting block (9) is fixedly connected to the bottom of the spring (8); and a ball (10) is fixedly connected to the bottom of the limiting block (9).

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