Improved bolt fastener

Abstract

The utility model relates to the technical field of fasteners, in particular to an improved bolt fastener which comprises a nut, a screw rod is fixedly connected to one side of the nut, a nut is connected to the screw rod in a threaded mode, a fastening device is arranged on the screw rod, the fastening device comprises a stabilizing groove and a sliding barrel, and the stabilizing groove is connected with the sliding barrel. The stabilizing groove is formed in the end, away from the nut, of the screw rod, the sliding barrel slides on the inner wall of the stabilizing groove, an extrusion groove is formed in the surface of the screw rod, a supporting block is fixedly connected to the surface of the nut, one end of the supporting block is inserted into the extrusion groove, a rotating hole is formed in the surface of the nut, and one end of the rotating hole communicates with the stabilizing groove. And a guide rod is rotationally connected into the rotating hole. According to the scheme, the bolt is effectively improved, the situation that the bolt shakes and loosens due to vibration of a workpiece in the use process is effectively reduced, stable use of the bolt fastener is ensured, potential safety hazards of the bolt fastener in the use process are reduced, and popularization and use are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of fasteners, in particular to an improved bolt fastener. Background Art

[0002] Fasteners are a type of mechanical parts used for fastening connections and are extremely widely used. Bolts are a type of fastener consisting of a head and a screw. They need to be used in conjunction with nuts to fasten two parts with through holes. They are anchoring components that anchor the connected parts to the hardened concrete substrate. With the development of society, bolts have been put into use on a large scale.

[0003] Existing technology includes a utility model with publication number CN203146552U, which discloses an improved bolt fastener comprising a bolt and a matching nut. The bolt's shank is sheathed with a tubular support member, which is defined between the bolt's head and the nut, and has a lumen that provides a clearance fit within the shank. The bolt fastener of this utility model overcomes the shortcomings of conventional bolt fasteners and can be used in certain special situations.

[0004] At present, most bolt fasteners are used to fasten and install workpieces through the combination of bolts and nuts. However, bolt fasteners are easily shaken or loosened by the vibration of the workpiece during use, which in turn affects the use of the bolt fasteners and causes certain safety hazards during the use of the workpiece. Improvements are needed. Summary of the Invention

[0005] The purpose of the utility model is to solve the shortcomings in the prior art that most bolt fasteners are used to fasten and install workpieces by combining bolts and nuts, but the bolt fasteners are easily shaken or loosened by the vibration of the workpiece during use, which in turn affects the use of the bolt fasteners and causes certain safety hazards to the workpiece during use. An improved bolt fastener is proposed to solve the shortcomings in the prior art that most bolt fasteners are used to fasten and install workpieces by combining bolts and nuts, but the bolt fasteners are easily shaken or loosened by the vibration of the workpiece during use, which in turn affects the use of the bolt fasteners and causes certain safety hazards to the workpiece during use.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an improved bolt fastener, including a nut, one side of the nut is fixedly connected to a screw, a nut is threadedly connected to the screw, a fastening device is provided on the screw, and the fastening device includes a stabilizing groove and a slide barrel, the stabilizing groove is opened at one end of the screw away from the nut, the slide barrel slides with the inner wall of the stabilizing groove, an extrusion groove is opened on the surface of the screw, a support block is fixedly connected to the surface of the nut, one end of the support block is inserted into the extrusion groove, and a rotating hole is opened on the surface of the nut, and the rotating hole One end is connected with the stabilizing groove, and a guide rod is rotatably connected in the rotating hole. One end of the guide rod is inserted into the slide cylinder, and a thread is provided on the surface of the guide rod located in the mounting groove. The guide rod is threadedly connected to the inner wall of the slide cylinder, and an adjusting cap is fixedly connected to the end of the guide rod away from the slide cylinder. An auxiliary device is provided on the side of the nut close to the screw. This scheme effectively improves the bolt, effectively reduces the situation where the bolt shakes and loosens due to vibration of the workpiece during use, ensures the stable use of the bolt fastener, reduces the safety hazards of the bolt fastener during use, and facilitates popular use.

[0007] Preferably, a slot is provided on the side of the slide away from the nut, and a stop block is fixedly connected to the end of the guide rod away from the adjusting cap. The stop block is inserted into the slot, and the adjusting cap is rotated using a wrench. The adjusting cap drives the guide rod to rotate, and the slide drives the support block to move toward the nut. The support block is displaced in the extrusion groove, and the support block immediately squeezes the bolt at the tail end of the screw to lift it up, and the lifted screw restricts the rotation of the nut.

[0008] Preferably, the cross-sections of the slot and the stopper are both circular, the outer diameter of the stopper is smaller than the inner diameter of the slot, and the stopper effectively restricts the slide from leaving the stabilizing groove.

[0009] Preferably, the longitudinal sections of the extrusion groove and the support block are both trapezoidal, and the widths of the extrusion groove and the support block gradually decrease from the stop block toward the nut, and the end of the screw can be tilted by adjusting the position of the support block.

[0010] Preferably, the number of the extrusion grooves and the number of the support blocks are both two, and the two extrusion grooves and the support blocks are mirror-imaged to ensure normal use of the bolt fastener.

[0011] Preferably, the auxiliary device includes a positioning groove and a retaining ring, the positioning groove is opened on the side of the nut close to the screw, the retaining ring is sleeved on the screw, the side of the retaining ring close to the nut is fixedly connected with a slider, one end of the slider is inserted into the positioning groove, and the side of the slider away from the retaining ring is fixedly connected with a spring, the spring is located in the positioning groove, and the end of the spring away from the slider is fixedly connected to the inner wall of the positioning groove. When in use, the screw is passed through the holes of two workpieces to be fixed, and the spring pushes the retaining ring through the slider to resist the surface of one of the workpieces, and then the nut is threadedly sleeved on the screw, and then a wrench is used to tighten the bolt and nut. During operation, the workpiece squeezes the retaining ring, and the retaining ring drives the slider to be fully inserted into the positioning groove to complete the operation.

[0012] Preferably, there are four positioning grooves and four sliders, and the four positioning grooves and sliders are arranged in a circular array. The surface of the support ring is provided with a protrusion, which effectively supports the workpiece and reduces the probability of the nut sliding during use.

[0013] Compared with the prior art, the advantages and positive effects of the present invention are:

[0014] 1. In the utility model, when in use, the screw rod is passed through the holes of the two workpieces to be fixed, and the spring pushes the counter ring through the slider to resist the surface of one of the workpieces, and then the nut is threaded on the screw rod, and then a wrench is used to tighten the bolt and nut. During the operation, the workpiece squeezes the counter ring, and the counter ring drives the slider to be fully inserted into the positioning groove to complete the operation. Then the wrench is used to turn the adjusting cap, and the adjusting cap drives the guide rod to rotate, and the slide drives the support block to move in the direction close to the nut, and the support block displaces in the extrusion groove, and the support block immediately squeezes the bolt at the tail end of the screw rod and tilts it, and then the tilted screw rod restricts the rotation of the nut. This scheme effectively improves the bolt, effectively reduces the situation where the bolt is shaken and loosened due to the vibration of the workpiece during use, ensures the stable use of the bolt fastener, reduces the safety hazards of the bolt fastener during use, and is convenient for popular use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The present invention provides a schematic diagram of the three-dimensional structure of an improved bolt fastener;

[0016] Figure 2 The utility model provides a schematic side view of the structure of an improved bolt fastener;

[0017] Figure 3 The utility model provides an exploded structural diagram of an improved bolt fastener;

[0018] Figure 4 The utility model proposes an improved bolt fastener Figure 3 A side structural diagram of

[0019] Figure 5 The utility model provides a schematic cross-sectional structure diagram of an improved bolt fastener.

[0020] Legend:

[0021] 1. Nut; 2. Screw; 3. Nut; 4. Fastening device; 41. Adjusting cap; 42. Guide rod; 43. Stop block; 44. Extrusion groove; 45. Slide; 46. Support block; 47. Slot; 48. Stabilizing groove; 49. Rotating hole; 5. Auxiliary device; 51. Positioning groove; 52. Retaining ring; 53. Slider; 54. Spring. DETAILED DESCRIPTION

[0022] See also Figure 1-Figure 5 The utility model provides a technical solution: an improved bolt fastener, including a nut 1, a screw 2 is fixedly connected to one side of the nut 1, a nut 3 is threadedly connected to the screw 2, a fastening device 4 is provided on the screw 2, the fastening device 4 includes a stabilizing groove 48 and a slide 45, the stabilizing groove 48 is opened at the end of the screw 2 away from the nut 1, the slide 45 slides with the inner wall of the stabilizing groove 48, an extrusion groove 44 is opened on the surface of the screw 2, a support block 46 is fixedly connected to the surface of the nut 1, one end of the support block 46 is inserted into the extrusion groove 44, a rotating hole 49 is opened on the surface of the nut 1, and one end of the rotating hole 49 is connected to the stabilizing groove The grooves 48 are connected, and a guide rod 42 is rotatably connected in the rotary hole 49. One end of the guide rod 42 is inserted into the slide 45. The surface of the guide rod 42 located in the mounting groove is provided with a thread. The guide rod 42 is threadedly connected to the inner wall of the slide 45. The end of the guide rod 42 away from the slide 45 is fixedly connected with an adjusting cap 41, and an auxiliary device 5 is provided on the side of the nut 1 close to the screw 2. This solution effectively improves the bolt, effectively reduces the situation where the bolt shakes and loosens due to vibration of the workpiece during use, ensures the stable use of the bolt fastener, reduces the safety hazards of the bolt fastener during use, and facilitates popular use.

[0023] In this embodiment: a slot 47 is provided on the side of the slide 45 away from the nut 1, and a stop block 43 is fixedly connected to the end of the guide rod 42 away from the adjusting cap 41. The stop block 43 is inserted into the slot 47. The adjusting cap 41 is rotated using a wrench, and the adjusting cap 41 drives the guide rod 42 to rotate. The slide 45 drives the support block 46 to move toward the nut 1, and the support block 46 is displaced in the extrusion groove 44. The support block 46 then squeezes the bolt at the tail end of the screw rod 2 and lifts it up, and the lifted screw rod 2 restricts the rotation of the nut 3.

[0024] Specifically, the cross-sections of the locking groove 47 and the stopper 43 are both circular, and the outer diameter of the stopper 43 is smaller than the inner diameter of the locking groove 47 . The stopper 43 effectively restricts the slide 45 from leaving the stabilizing groove 48 .

[0025] Specifically, the longitudinal sections of the extrusion groove 44 and the support block 46 are both trapezoidal, and the width of the extrusion groove 44 and the support block 46 gradually decreases from the stop block 43 toward the nut 1. The end of the screw rod 2 can be tilted by adjusting the position of the support block 46.

[0026] Specifically, there are two extrusion grooves 44 and two support blocks 46 , and the two extrusion grooves 44 and the two support blocks 46 are mirror-imaged to ensure normal use of the bolt fastener.

[0027] In this embodiment: the auxiliary device 5 includes a positioning groove 51 and a retaining ring 52. The positioning groove 51 is opened on the side of the nut 1 close to the screw rod 2, and the retaining ring 52 is sleeved on the screw rod 2. The side of the retaining ring 52 close to the nut 1 is fixedly connected with a slider 53, one end of the slider 53 is inserted into the positioning groove 51, and the side of the slider 53 away from the retaining ring 52 is fixedly connected with a spring 54. The spring 54 is located in the positioning groove 51, and the end of the spring 54 away from the slider 53 is fixedly connected to the inner wall of the positioning groove 51. When in use, the screw rod 2 is passed through the holes of the two workpieces to be fixed, and the spring 54 pushes the retaining ring 52 to resist the surface of one of the workpieces through the slider 53. Then the nut 3 is threadedly sleeved on the screw rod 2, and then a wrench is used to tighten the bolt and nut 1. During the operation, the workpiece squeezes the retaining ring 52, and the retaining ring 52 drives the slider 53 to be fully inserted into the positioning groove 51 to complete the operation.

[0028] Specifically, there are four positioning grooves 51 and four sliders 53, which are arranged in a circular array. The surface of the support ring 52 is provided with protrusions to effectively support the workpiece and reduce the probability of the nut 3 sliding during use.

[0029] Working principle: When in use, the screw rod 2 is passed through the holes of the two workpieces to be fixed, and the spring 54 pushes the ring 52 to resist the surface of one of the workpieces through the slider 53, and then the nut 3 is threadedly sleeved on the screw rod 2, and then the bolt and nut 1 are tightened with a wrench. During the operation, the workpiece squeezes the ring 52, and the ring 52 drives the slider 53 to be fully inserted into the positioning groove 51 to complete the operation. Then the adjusting cap 41 is rotated with a wrench, and the adjusting cap 41 drives the guide rod 42 to rotate, and the slide 45 drives the support block 46 to move in the direction close to the nut 1, and the support block 46 moves in the extrusion groove 44. The support block 46 immediately squeezes the bolt at the tail end of the screw rod 2 and lifts it up, and then the lifted screw rod 2 restricts the rotation of the nut 3. This solution effectively improves the bolt, effectively reduces the situation where the bolt is shaken and loosened due to the vibration of the workpiece during use, ensures the stable use of the bolt fastener, reduces the safety hazards of the bolt fastener during use, and is convenient for popularization.

Claims

1. An improved bolt fastener, comprising a nut (1), a screw rod (2) fixedly connected to one side of the nut (1), a nut (3) threadedly connected to the screw rod (2), characterized in that: The screw (2) is provided with a fastening device (4), and the fastening device (4) includes a stabilizing groove (48) and a slide (45), the stabilizing groove (48) is located at one end of the screw (2) away from the nut (1), and the slide (45) slides with the inner wall of the stabilizing groove (48), the surface of the screw (2) is provided with an extrusion groove (44), the surface of the nut (1) is fixedly connected with a support block (46), one end of the support block (46) is inserted into the extrusion groove (44), and the surface of the nut (1) is provided with a rotation hole (44). 9), one end of the rotating hole (49) is connected to the stabilizing groove (48), a guide rod (42) is rotatably connected in the rotating hole (49), one end of the guide rod (42) is inserted into the slide cylinder (45), a thread is provided on the surface of the guide rod (42) located in the mounting groove, the guide rod (42) is threadedly connected to the inner wall of the slide cylinder (45), an adjusting cap (41) is fixedly connected to the end of the guide rod (42) away from the slide cylinder (45), and an auxiliary device (5) is provided on the side of the nut (1) close to the screw rod (2).

2. The improved bolt fastener according to claim 1, characterized in that: A slot (47) is provided on a side of the slide (45) away from the nut (1), and a stopper (43) is fixedly connected to one end of the guide rod (42) away from the adjustment cap (41), and the stopper (43) is inserted into the slot (47).

3. The improved bolt fastener according to claim 2, characterized in that: The cross-sections of the clamping groove (47) and the stopper (43) are both circular, and the outer diameter of the stopper (43) is smaller than the inner diameter of the clamping groove (47).

4. The improved bolt fastener according to claim 1, characterized in that: The longitudinal sections of the extrusion groove (44) and the support block (46) are both trapezoidal, and the widths of the extrusion groove (44) and the support block (46) gradually decrease from the stop block (43) toward the nut (1).

5. The improved bolt fastener according to claim 1, characterized in that: The number of the extrusion grooves (44) and the number of the support blocks (46) are both two, and the two extrusion grooves (44) and the two support blocks (46) are arranged in a mirror image.

6. The improved bolt fastener according to claim 1, characterized in that: The auxiliary device (5) comprises a positioning groove (51) and a retaining ring (52), wherein the positioning groove (51) is opened on a side of the nut (1) close to the screw rod (2), and the retaining ring (52) is sleeved on the screw rod (2). A slider (53) is fixedly connected to the side of the retaining ring (52) close to the nut (1), and one end of the slider (53) is inserted into the positioning groove (51). A spring (54) is fixedly connected to the side of the slider (53) away from the retaining ring (52), and the spring (54) is located in the positioning groove (51). An end of the spring (54) away from the slider (53) is fixedly connected to the inner wall of the positioning groove (51).

7. The improved bolt fastener according to claim 6, characterized in that: The number of the positioning grooves (51) and the number of the sliding blocks (53) are both four, and the four positioning grooves (51) and the sliding blocks (53) are arranged in a circular array, and a protrusion is provided on the surface of the retaining ring (52).

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