BOM double drum rivets

Abstract

The utility model relates to the field of mechanical processing technology, specifically a BOM double-drum rivet, including a nail head and a clamping assembly, wherein the clamping assembly is arranged on the top of the nail head, and the clamping assembly includes a fixed ring 1, wherein the interior of the fixed ring 1 is fixedly connected to a limiting ring 1, wherein the interior of the limiting ring 1 is slidably connected to the limiting ring 1, wherein the interior of the limiting ring 1 is slidably connected to a spring, wherein the spring is fixedly connected to the top of the limiting ring 1 with a clamping block, wherein the side surface of the fixed ring 2 is fixedly connected to the limiting ring 2, wherein the side surface of the limiting ring 2 is slidably connected to the interior of the fixed ring 1. The BOM double-drum rivet, by installing the clamping assembly, can press the clamping block against the bottom of the groove by the elastic force of the spring when the nail head is fixing the groove of the object, thereby effectively solving the problem of gaps inside the groove, and at the same time, can press the nail head to prevent the nail head from loosening.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing, in particular to a BOM double-drum rivet. Background Art

[0002] BOM rivets, also known as BMW rivets or Hack rivets, are a type of high-strength structural blind rivets. They can be riveted from one side and are cast with carbon steel. The rivet core lock groove and the rivet body are multiple-bite locked to provide reliable riveting. After riveting, the drum shape is flat and has good blind surface support.

[0003] When a BOM rivet needs to be fixed inside an object, a groove is usually opened on the surface of the object, and then the BOM rivet can be placed inside the groove so that the BOM rivet can be installed on the surface of the object. However, after the BOM rivet completes the fixing work, a gap will be generated between the rivet head and the inside of the groove. After long-term use, the rivet head may become loose. Utility Model Content

[0004] The utility model aims to provide a BOM double-drum rivet to solve the problem in the above background technology that after the BOM rivet completes the fixing work, a gap will be generated between the rivet head and the inside of the groove. To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a BOM double-drum rivet, comprising a nail head and a tightening assembly, the tightening assembly being arranged at the top of the nail head, the tightening assembly comprising a fixing ring 1, the fixing ring 1 being internally fixedly connected to a limiting ring 1, the limiting ring 1 being internally slidably connected to a fixing ring 2, the limiting ring 1 being internally slidably connected to a spring, the spring being fixedly connected to a tightening block at the top of the limiting ring 1, the bottom of the spring being fixedly connected to the top of the nail head, the side surface of the fixing ring 2 being fixedly connected to the limiting ring 2, the side surface of the limiting ring 2 being internally slidably connected to the fixing ring 1, the top of the limiting ring 2 being fixedly connected to the bottom of the limiting ring 1, by installing the tightening assembly, when the nail head is fixing the groove of the object, the tightening block can be pressed against the bottom of the groove by the elastic force of the spring, thereby effectively solving the problem of gaps inside the groove, and at the same time, the nail head can be tightened to prevent the nail head from loosening.

[0005] Further preferably, a connecting rod 1 is fixedly connected to the middle of the bottom of the fixing ring 1, a threaded groove is provided in the middle of the bottom of the connecting rod 1, and a connecting component is provided inside the threaded groove, which can be connected to the rivet body, thereby improving the convenience of the device.

[0006] Further preferably, the connecting assembly includes a rivet body, which is fixedly connected to the bottom of connecting rod one, and a screw thread is provided on the side surface of the rivet body. A connecting rod two is fixedly connected to the middle part of the top of the rivet body, and a thread two is provided on the side surface of the connecting rod two. The outer side of the thread two is connected to the inner thread of the thread groove. Through the threaded connection between connecting rod one and connecting rod two, the rivet body can be disconnected from the nail head, so that the rivet body can be easily removed, thereby improving the practicality of the device.

[0007] Further preferably, the connecting rod 1 is sleeved with a fixing tube on the side surface of the rivet body, the bottom of the fixing tube is fixedly connected with a fixing head, the interior of the fixing head is slidably connected to the side surface of the rivet body, and the object can be firmly fixed.

[0008] Further preferably, the connecting rod is sleeved with a fixing tube on the side surface of the rivet body, the bottom of the fixing tube is fixedly connected to a fixing head, a screw groove is opened in the middle of the fixing head, the inside of the screw groove is threadedly connected to the outer side of the screw tooth, so that it is convenient to fix the fixing tube inside the object.

[0009] Compared with the prior art, the utility model has the following beneficial effects:

[0010] In the utility model, by installing the clamping assembly, when the nail head is fixing the groove of the object, the clamping block can be pressed against the bottom of the groove through the elastic force of the spring, which effectively solves the problem of gaps inside the groove. At the same time, the nail head can be clamped to prevent it from loosening.

[0011] In the utility model, by installing the connection assembly, when the rivet body needs to be removed, the rivet body can be rotated in the opposite direction through the screw thread, and the rivet body can be disconnected from the nail head through the threaded connection between the connecting rod one and the connecting rod two, so that the rivet body can be easily removed, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0013] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0014] Figure 3 This is a schematic diagram of the cross-sectional structure of the utility model;

[0015] Figure 4 For this utility model Figure 3 Schematic diagram of the structure at a in the middle;

[0016] Figure 5 For this utility model Figure 3 Schematic diagram of the structure at b in the middle;

[0017] Figure 6 It is a schematic diagram of the three-dimensional structure of the tightening component of the utility model.

[0018] In the figure: 1. nail head; 2. tightening assembly; 201. fixing ring 1; 202. limiting ring 1; 203. fixing ring 2; 204. spring; 205. tightening block; 206. limiting ring 2; 3. connecting rod 1; 4. thread groove; 5. connecting assembly; 501. rivet body; 502. screw thread; 503. connecting rod 2; 504. thread 2; 6. fixing tube; 7. fixing head; 8. screw groove. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-Figure 6 The utility model provides a technical solution: a BOM double-drum rivet, comprising a nail head 1 and a tightening component 2, the tightening component 2 is arranged on the top of the nail head 1, the tightening component 2 comprises a fixing ring 201, the fixing ring 201 is internally fixedly connected with a limiting ring 202, the limiting ring 202 is internally slidably connected with a fixing ring 203, the limiting ring 202 is internally slidably connected with a spring 204, the spring 204 is fixedly connected to the top of the limiting ring 202 with a tightening block 205, the bottom of the spring 204 is fixedly connected to the top of the nail head 1, the side surface of the fixing ring 203 is fixedly connected with the limiting ring 206, the side surface of the limiting ring 206 is internally slidably connected with the fixing ring 201, and the top of the limiting ring 206 is fixedly connected to the bottom of the limiting ring 202.

[0021] In this embodiment, Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6As shown, a connecting rod 1 3 is fixedly connected to the middle part of the bottom of the fixing ring 1 201, a thread groove 4 is provided in the middle part of the bottom of the connecting rod 1 3, a connecting assembly 5 is arranged inside the thread groove 4, and the connecting assembly 5 includes a rivet body 501, the rivet body 501 is fixedly connected to the bottom of the connecting rod 1 3, a screw thread 502 is provided on the side surface of the rivet body 501, a connecting rod 2 503 is fixedly connected to the middle part of the top of the rivet body 501, a thread 2 504 is provided on the side surface of the connecting rod 2 503, and the outer side of the thread 2 504 is connected to the inner thread of the thread groove 4. When the rivet body 501 needs to be removed, the rivet body 501 can be rotated in the opposite direction through the screw thread 502, so that the rivet body 501 drives the connecting rod 2 503 to rotate in the opposite direction, so that the connecting rod 2 503 is disconnected from the connecting rod 1 3 through the thread 2 504, so that the rivet body 501 can be removed.

[0022] In this embodiment, Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 As shown, a fixing tube 6 is sleeved on the side surface of the connecting rod 3 and the rivet body 501, and a fixing head 7 is fixedly connected to the bottom of the fixing tube 6. The interior of the fixing head 7 is slidably connected to the side surface of the rivet body 501, and a fixing tube 6 is sleeved on the side surface of the connecting rod 3 and the rivet body 501, and a fixing head 7 is fixedly connected to the bottom of the fixing tube 6. A screw groove 8 is opened in the middle of the fixing head 7, and the interior of the screw groove 8 is threadedly connected to the outer side of the screw tooth 502. When using the device, the staff can first place the device in the groove opened in the object according to the direction of the nail head 1, so that the fixing tube 6 is placed in the inside of the groove, and the tightening block 205 can tighten the bottom of the groove, and then the rivet body 501 can be driven to rotate by the rivet gun, and the rivet gun will tighten the fixing head 7, so that the fixing head 7 is pressed against the surface of the object, so that the nail head 1 can squeeze the fixing tube 6, so that the fixing tube 6 is deformed, and the inside of the groove of the fixing tube 6 is squeezed and tightened.

[0023] The use method and advantages of the utility model: When the BOM double drum rivet is used, the working process is as follows:

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, when using the device, the staff can first place the device in the groove opened in the object according to the direction of the nail head 1, so that the fixing tube 6 is placed in the groove, and the tightening block 205 can be tightened against the bottom of the groove, and then the rivet body 501 can be driven to rotate by the rivet gun, and the rivet gun will tighten the fixing head 7, so that the fixing head 7 is pressed against the surface of the object, and the rivet body 501 is rotated inside the screw groove 8 through the screw teeth 502, and the rivet body 501 can be moved to the outside of the object through the coordinated rotation of the screw teeth 502 and the screw groove 8, and the rivet body 501 drives the connecting rod 2 503 to rotate while driving the connecting rod 2 503 to move to the outside of the object, so that the connecting rod 2 503 drives the connecting rod 1 3 and the nail head 1 and the tightening assembly 2 to the outside of the object through the thread groove 4. The nail head 1 moves so that it can squeeze the fixed tube 6, causing the fixed tube 6 to deform and squeeze the inside of the groove of the fixed tube 6. When the nail head 1 moves outward, the fixing ring 1 201, the limiting ring 1 202, the fixing ring 203 and the limiting ring 206 cooperate and slide, so that the clamping block 205 and the spring 204 can be limited. The elastic force of the spring 204 can press the clamping block 205 against the bottom of the groove, and the nail head 1 can be pressed at the same time. When the rivet body 501 needs to be removed, the rivet body 501 can be rotated in the opposite direction through the screw thread 502, so that the rivet body 501 drives the connecting rod 2 503 to rotate in the opposite direction, so that the connecting rod 2 503 is disconnected from the connecting rod 1 3 through the thread 2 504, so that the rivet body 501 can be removed.

[0025] 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 BOM double-drum rivet, comprising a rivet head (1) and a fastening assembly (2), characterized in that: The clamping assembly (2) is arranged at the top of the nail head (1), and the clamping assembly (2) comprises a fixing ring (201), the interior of the fixing ring (201) is fixedly connected to a limiting ring (202), the interior of the limiting ring (202) is slidably connected to a fixing ring (203), the interior of the limiting ring (202) is slidably connected to a spring (204), the spring (204) and the top of the limiting ring (202) are fixedly connected to a clamping block (205), the bottom of the spring (204) is fixedly connected to the top of the nail head (1), the side surface of the fixing ring (203) is fixedly connected to a limiting ring (206), the side surface of the limiting ring (206) is slidably connected to the interior of the fixing ring (201), and the top of the limiting ring (206) is fixedly connected to the bottom of the limiting ring (202).

2. The BOM double-drum rivet according to claim 1, characterized in that: A connecting rod (3) is fixedly connected to the middle of the bottom of the fixing ring (201), a thread groove (4) is provided in the middle of the bottom of the connecting rod (3), and a connecting assembly (5) is provided inside the thread groove (4).

3. The BOM double-drum rivet according to claim 2, characterized in that: The connecting assembly (5) comprises a rivet body (501), wherein the rivet body (501) is fixedly connected to the bottom of a connecting rod (3), a screw thread (502) is provided on the side surface of the rivet body (501), a connecting rod (503) is fixedly connected to the middle of the top of the rivet body (501), a thread (504) is provided on the side surface of the connecting rod (503), and the outer side of the thread (504) is connected to the inner thread of the thread groove (4).

4. The BOM double-drum rivet according to claim 3, characterized in that: The connecting rod 1 (3) is sleeved with a fixing tube (6) on the side surface of the rivet body (501); the bottom of the fixing tube (6) is fixedly connected with a fixing head (7); the interior of the fixing head (7) is slidably connected with the side surface of the rivet body (501).

5. The BOM double-drum rivet according to claim 2, characterized in that: The connecting rod 1 (3) and the side surface of the rivet body (501) are sleeved with a fixing tube (6), the bottom of the fixing tube (6) is fixedly connected with a fixing head (7), a screw groove (8) is provided in the middle of the fixing head (7), and the inside of the screw groove (8) is threadedly connected with the outer side of the screw thread (502).

Images