Interpenetrating and opposite-extruding expansion type stainless steel fastener

Abstract

The utility model relates to the technical field of fasteners, and discloses an interpenetrating and extruding expansion type stainless steel fastener which comprises a fixing sleeve, a groove is formed in the fixing sleeve, a stabilizing mechanism is arranged in the groove, fastening bolts are arranged on the two sides of the fixing sleeve, and the fixing sleeve and the fixing sleeve are connected through bolts. The stabilizing mechanism comprises a fixing nut, two extrusion blocks and two pressed blocks, guide sliding blocks are fixedly connected to the surfaces of the two sides of the two pressed blocks, reset springs are arranged on one sides of the two guide sliding blocks, and two rotating blocks are rotationally connected to the surfaces of one sides of the two pressed blocks. According to the interpenetrating and opposite-extruding expansion type stainless steel fastener, the fixing sleeve extends into a preset mounting hole in an object, then the two fastening bolts are screwed into the fixing sleeve, after the fastening bolts are screwed into the fixing sleeve, the expansion clamping blocks are tightly attached to the inner wall of the mounting hole of the object, and the contact area between the expansion clamping blocks and the inner wall of the mounting hole is increased through the locking protrusions; therefore, friction force is increased, looseness is prevented, and the fastening effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to an interpenetrating, extruding and expanding stainless steel fastener. Background Art

[0002] Fasteners are a general term for a type of mechanical parts used to fasten two or more parts or components into a whole. Fasteners are the most widely used mechanical basic parts and are in great demand. Stainless steel fasteners are a type of fastener. In the prior art, stainless steel fasteners are prone to loosening when fastening objects, making the fastening effect less than ideal.

[0003] For example, patent announcement number CN210290424U specifically discloses a stainless steel fastener with flexible length, including a first fastener, a nut is provided at the top of the first fastener, a cross groove is provided at the center of the upper surface of the nut, a screw is fixedly installed at the lower end of the nut through a thread, and a telescopic screw is provided inside the screw, a sleeve is provided at the upper end of the telescopic screw, a spring is fixedly installed inside the sleeve, and a pressing block is connected to the top of the spring, and three groups of connecting holes are evenly provided on the top of the screw, and five groups of connecting sliders are evenly installed on the outer surface of the telescopic screw except the top, and a fixing groove and a sliding groove channel are provided inside the screw. The utility model describes a stainless steel fastener with flexible length, which can adjust the length of the fastener according to different needs of users, and can be tightened by different operating methods, bringing better prospects for use. However, there is a problem that this stainless steel fastener is prone to loosening when fastening an object, resulting in an unsatisfactory fastening effect. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an interpenetrating and extruding expansion type stainless steel fastener, which solves the problem that the stainless steel fastener is prone to loosening when fastening an object, resulting in an unsatisfactory fastening effect.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an interpenetrating and extruding expansion type stainless steel fastener, comprising a fixing sleeve, a groove is provided inside the fixing sleeve, a stabilizing mechanism is provided inside the groove, and fastening bolts are provided on both sides of the fixing sleeve;

[0006] The stabilizing mechanism comprises a fixing nut, two extrusion blocks and two pressure blocks, both side surfaces of the two pressure blocks are fixedly connected with guide sliders, one side of the two guide sliders is provided with a reset spring, one side surface of the two pressure blocks is rotatably connected with two rotating blocks, the end of the rotating block is fixedly connected with a connecting rod, the outside of the connecting rod is slidably connected with a sliding sleeve, the sliding sleeve is fixedly connected with a rotating shaft, the end of the sliding sleeve is fixedly connected with an expansion block, and the surface of the expansion block is fixedly connected with a locking protrusion.

[0007] Preferably, the cross-sectional shapes of the two extrusion blocks and the two pressure blocks are both set to be annular, and the two extrusion blocks are fixedly mounted on two fastening bolts.

[0008] Preferably, the fixing nut is fixedly installed in the central part of the fixing sleeve, and the fixing nut matches the two fastening bolts.

[0009] Preferably, the two pressure blocks are slidably connected to the inner wall of the fixing sleeve via a guide slider, and the inner diameter of the pressure block is larger than the diameter of the fastening bolt.

[0010] Preferably, the rotating shaft is rotatably connected to the inner wall of the fixing sleeve, and the sliding sleeve is rotatably connected to the inner wall of the fixing sleeve via the rotating shaft.

[0011] Preferably, the expansion block is arranged in the groove, and the expansion block is communicated with the outside.

[0012] Preferably, a suspension assembly is provided on the fastening bolt, and the suspension assembly includes a connecting screw.

[0013] Preferably, a connecting screw hole is provided on the fastening bolt, the connecting screw hole matches the connecting screw rod, and a hanging ring is fixedly connected to the end of the connecting screw rod.

[0014] Beneficial Effects

[0015] The utility model provides an interpenetrating and extruding expansion type stainless steel fastener. Compared with the prior art, it has the following beneficial effects:

[0016] 1. The interpenetrating and extruding expansion stainless steel fastener extends the fixing sleeve into the preset mounting hole on the object, and then screws two fastening bolts into the fixing sleeve. After the fastening bolts are screwed in, the expansion block is tightly attached to the inner wall of the mounting hole of the object, and the locking protrusion is used to increase the contact area with the inner wall of the mounting hole, thereby increasing friction, preventing loosening, and improving the fastening effect.

[0017] 2. The interpenetrating and extruding expansion type stainless steel fastener can install the hanging ring into the fastening bolt by screwing the connecting screw into the connecting screw hole, so that the object can be hung conveniently and the convenience of use is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the stabilizing mechanism of the utility model;

[0020] Figure 3 For the utility model Figure 2 A magnified view of the structure at center;

[0021] Figure 4 For the utility model Figure 1 Enlarged view of the structure at point B in the middle.

[0022] In the figure: 1. fixing sleeve; 2. stabilizing mechanism; 201. fixing nut; 202. extrusion block; 203. pressure block; 204. guide slider; 205. rotating block; 206. return spring; 207. connecting rod; 208. sliding sleeve; 209. rotating shaft; 210. expansion block; 211. locking protrusion; 3. groove; 4. fastening bolt; 5. suspension assembly; 501. connecting screw hole; 502. connecting screw; 503. hanging ring. DETAILED DESCRIPTION

[0023] 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 technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-3 The utility model provides a technical solution: an interpenetrating and extruding expansion type stainless steel fastener, comprising a fixing sleeve 1, a groove 3 is provided inside the fixing sleeve 1, a stabilizing mechanism 2 is provided inside the groove 3, and fastening bolts 4 are provided on both sides of the fixing sleeve 1. The fixing sleeve 1 can be extended into a preset installation hole on an object, and then two fastening bolts 4 are screwed into the fixing sleeve 1 to extrude the stabilizing mechanism 2, so that it fixes the inner wall of the installation hole of the object to prevent loosening and improve the fastening effect.

[0025] The stabilizing mechanism 2 includes a fixing nut 201, two extrusion blocks 202 and two pressure blocks 203. The cross-sectional shapes of the two extrusion blocks 202 and the two pressure blocks 203 are both set to be annular, and the two extrusion blocks 202 are fixedly mounted on the two fastening bolts 4, so that after the fastening bolts 4 are screwed in, the pressure blocks 203 can be pushed to move by the extrusion blocks 202. The fixing nut 201 is fixedly mounted in the central part of the fixing sleeve 1, and the fixing nut 201 matches the two fastening bolts 4. The two sides of the pressure blocks 203 are fixedly connected with guide sliders 204. The two pressure blocks 203 The guide slider 204 is slidably connected to the inner wall of the fixed sleeve 1, which can play a good limiting and guiding role in the movement of the pressure block 203. The inner diameter of the pressure block 203 is larger than the diameter of the fastening bolt 4, so that the fastening bolt 4 can pass through the pressure block 203. A reset spring 206 is provided on one side of the two guide sliders 204, which can reset the pressure block 203 and facilitate removal. The surface of one side of the two pressure blocks 203 is rotatably connected to two rotating blocks 205, and the end of the rotating block 205 is fixedly connected to a connecting rod 207, and the outside of the connecting rod 207 is slidably connected to a sliding sleeve 208 The sliding sleeve 208 is fixedly connected with a rotating shaft 209, and the rotating shaft 209 is rotatably connected to the inner wall of the fixed sleeve 1. The sliding sleeve 208 is rotatably connected to the inner wall of the fixed sleeve 1 through the rotating shaft 209, so that the sliding sleeve 208 can rotate around the rotating shaft 209. The end of the sliding sleeve 208 is fixedly connected with an expansion block 210, which is set in the groove 3 and communicated with the outside. The surface of the expansion block 210 is fixedly connected with a locking protrusion 211. The fixing sleeve 1 can be inserted into the preset installation hole on the object, and then two fastening bolts 4 are tightened. After being screwed into the fixing sleeve 1, the fastening bolt 4 drives the extrusion block 202 to move the cabinet, and the movement of the extrusion block 202 pushes the pressure block 203 to move, and the movement of the pressure block 203 drives the rotating block 205 to rotate, and the rotation of the rotating block 205 drives the sliding sleeve 208 to rotate, so that the sliding sleeve 208 rotates around the rotating shaft 209, and the rotation of the sliding sleeve 208 drives the expansion block 210 to move, and the expansion block 210 is tightly attached to the inner wall of the mounting hole of the object, and the locking protrusion 211 is used to increase the contact area with the inner wall of the mounting hole, thereby increasing the friction, preventing loosening, and improving the fastening effect.

[0026] See also Figure 1 and Figure 4 A hanging component 5 is provided on the fastening bolt 4, and the hanging component 5 includes a connecting screw 502. A connecting screw hole 501 is opened on the fastening bolt 4, and the connecting screw hole 501 matches the connecting screw 502. A hanging ring 503 is fixedly connected to the end of the connecting screw 502. The connecting screw 502 can be screwed into the connecting screw hole 501, so that the hanging ring 503 can be installed in the fastening bolt 4, which makes it convenient to hang objects and improves the convenience of use.

[0027] During operation, the fixing sleeve 1 is inserted into the preset mounting hole on the object, and then the two fastening bolts 4 are screwed into the fixing sleeve 1. After the fastening bolts 4 are screwed in, the extrusion block 202 is driven to move the cabinet, and the movement of the extrusion block 202 pushes the pressure block 203 to move. The movement of the pressure block 203 drives the rotating block 205 to rotate, and the rotation of the rotating block 205 drives the sliding sleeve 208 to rotate, so that the sliding sleeve 208 rotates around the rotating shaft 209. The rotation of the sliding sleeve 208 drives the expansion block 210 to move, and the expansion block 210 is tightly attached to the inner wall of the mounting hole of the object, and the locking protrusion 211 is used to increase the contact area with the inner wall of the mounting hole, thereby increasing the friction, preventing loosening, and improving the fastening effect.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. An interpenetrating and extruding expansion type stainless steel fastener, comprising a fixing sleeve (1), characterized in that: The fixing sleeve (1) is provided with a groove (3) inside, a stabilizing mechanism (2) is provided inside the groove (3), and fastening bolts (4) are provided on both sides of the fixing sleeve (1); The stabilizing mechanism (2) comprises a fixing nut (201), two extrusion blocks (202) and two pressure blocks (203); the surfaces of both sides of the two pressure blocks (203) are fixedly connected with guide sliders (204); one side of the two guide sliders (204) is provided with a return spring (206); one side surface of the two pressure blocks (203) is rotatably connected with two rotating blocks (205); the ends of the rotating blocks (205) are fixedly connected with a connecting rod (207); the outside of the connecting rod (207) is slidably connected with a sliding sleeve (208); the sliding sleeve (208) is fixedly connected with a rotating shaft (209); the ends of the sliding sleeve (208) are fixedly connected with an expansion block (210); the surface of the expansion block (210) is fixedly connected with a locking protrusion (211).

2. The interpenetrating and extruding expansion type stainless steel fastener according to claim 1, characterized in that: The cross-sectional shapes of the two extrusion blocks (202) and the two pressure blocks (203) are both set to be annular, and the two extrusion blocks (202) are fixedly mounted on two fastening bolts (4).

3. The interpenetrating and extruding expansion type stainless steel fastener according to claim 1, characterized in that: The fixing nut (201) is fixedly mounted at the central portion of the fixing sleeve (1), and the fixing nut (201) matches the two fastening bolts (4).

4. The interpenetrating and extruding expansion type stainless steel fastener according to claim 1, characterized in that: The two pressure blocks (203) are slidably connected to the inner wall of the fixing sleeve (1) via a guide slider (204); the inner diameter of the pressure block (203) is greater than the diameter of the fastening bolt (4).

5. The interpenetrating and extruding expansion type stainless steel fastener according to claim 1, characterized in that: The rotating shaft (209) is rotatably connected to the inner wall of the fixed sleeve (1), and the sliding sleeve (208) is rotatably connected to the inner wall of the fixed sleeve (1) via the rotating shaft (209).

6. The interpenetrating and extruding expansion type stainless steel fastener according to claim 1, characterized in that: The expansion block (210) is arranged in the groove (3), and the expansion block (210) is in communication with the outside.

7. The interpenetrating and extruding expansion type stainless steel fastener according to claim 1, characterized in that: The fastening bolt (4) is provided with a suspension assembly (5), and the suspension assembly (5) comprises a connecting screw rod (502).

8. The interpenetrating and extruding expansion type stainless steel fastener according to claim 7, characterized in that: The fastening bolt (4) is provided with a connecting screw hole (501), the connecting screw hole (501) matches the connecting screw rod (502), and the end of the connecting screw rod (502) is fixedly connected with a hanging ring (503).

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