Fastener self-locking component

Abstract

The fastener self-locking component comprises a pin body, an installation opening is formed in the side wall of the pin body, a sliding plate is inserted into the installation opening and connected with a pipe body through a lifting mechanism, two symmetrically-distributed installation grooves are formed in the side wall of the sliding plate, sliding blocks are inserted into the two installation grooves, and the sliding blocks are connected with the pin body through a lifting mechanism. And the sliding block is connected with the mounting groove through a first telescopic mechanism, and a clamping block is fixed to the top of the sliding block. When the pin is used, the pin body is inserted into a preformed hole of a fastener, the clamping block retracts under the action of the sliding block and the first spring due to the aperture, and when the clamping block reaches a limiting hole in the preformed hole of the fastener, the clamping block is quickly clamped under the action of the first spring, so that the fastener is convenient to fasten; and meanwhile, a rotating rod is rotated to drive a second gear and a second cylinder to rotate, so that a first gear and a first cylinder which are meshed are rotated, a convex block is driven to rotate into a limiting groove, a clamping block is further extruded, the device is firmer, and the self-locking function is better.

Description

Technical Field

[0001] The utility model relates to the field of fasteners, in particular to a self-locking component of a fastener. Background Art

[0002] Fasteners are a type of mechanical parts used for fastening and connection and are extremely widely used. Their characteristics include a wide variety of specifications, different performances and uses, and a high degree of standardization, serialization, and generalization. Pins are a type of fastener.

[0003] The currently used pin-fastening self-locking device includes a pin body and a lock tongue. Although the pin body and the lock tongue can be locked when used for fastening, the lock tongue is easily loosened when encountering vibration, resulting in a poor fastening effect.

[0004] Therefore, a fastener self-locking component is urgently needed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a self-locking component of a fastener to solve the problem of poor fastening effect proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-locking component of a fastener, comprising a pin body, a side wall of the pin body having an installation opening, and a sliding plate inserted in the installation opening, the sliding plate being connected to the tube body through a lifting mechanism, and the side wall of the sliding plate having two symmetrically distributed installation grooves, sliders being inserted in the two installation grooves, and the sliders being connected to the installation grooves through a first telescopic mechanism, a clamping block being fixed on the top of the slider, and a limiting groove being provided on the side wall of the clamping block, a first cylinder being rotatably connected to the top of the sliding plate, and symmetrically distributed protrusions being fixed on the side wall of the first cylinder, the protrusions being matched with the limiting grooves, the rotation of the first cylinder being driven by a driving mechanism, a rubber ring being sleeved on the side wall of the pin body, and the rubber ring being connected to the pin body through a second telescopic mechanism.

[0007] The driving mechanism includes a fixing opening opened on the side wall of the pin body, and a mounting plate is inserted in the fixing opening, the mounting plate is fixed to the side wall of the sliding plate, and a rotating rod is inserted into the mounting plate, both ends of the rotating rod are rotatably connected to the side wall opposite to the fixing opening, and the side wall of the rotating rod is slidably connected to a second gear through a guide mechanism, a second cylinder is fixed to the bottom of the second gear, and the bottom of the second cylinder is rotatably connected to the mounting plate, a first gear is fixed to the top of the first cylinder, and the second gear is meshed with the first gear.

[0008] The guide mechanism comprises two symmetrically distributed fixing grooves opened on the side wall of the rotating rod, and fixing blocks are inserted into the two fixing grooves, and the two fixing blocks are symmetrically fixed on the inner ring of the second gear.

[0009] The lifting mechanism comprises a threaded rod inserted in the first cylinder, and the threaded rod is screwed to the sliding plate, and two ends of the threaded rod are rotatably connected to the side walls opposite to the installation opening through a rotating shaft.

[0010] The first telescopic mechanism comprises a first spring inserted in the mounting slot, and two ends of the first spring are respectively fixed to the slider and the side walls opposite to the mounting slot.

[0011] The second telescopic mechanism comprises a second spring sleeved on the tube body, and two ends of the second spring are respectively fixed on the side walls opposite to the pin body and the rubber ring.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is a fastener self-locking component. When in use, the pin body is inserted into the fastener reserved hole. The block will retract due to the hole diameter under the action of the slider and the first spring. When it reaches the limit hole in the fastener reserved hole, the block is quickly engaged under the action of the first spring, which is convenient for fastening the fastener. At the same time, the second gear and the second cylinder are driven to rotate by rotating the rotating rod, so that the meshed first gear and the first cylinder rotate, driving the protrusion to rotate into the limit groove, further squeezing the block, making the device more tightened and the self-locking function better.

[0014] 2. The utility model provides a self-locking component for a fastener. The device is also applicable to other fasteners. When two fasteners need to be fastened, the pin body is first inserted into the reserved hole of the fastener. The clamping block will be ejected at the bottom of one fastener under the action of the first spring. The sliding plate is driven to slide by rotating the threaded rod. The top of the second fastener will contact the rubber ring, so that the two fasteners are firmly clamped, and the second spring will provide a pre-tightening force to improve the clamping and fastening effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of a self-locking component of a fastener of the utility model;

[0016] Figure 2 It is a schematic diagram of the front cross-section structure of a self-locking component of a fastener of the utility model;

[0017] Figure 3 It is a schematic diagram of the side cross-section structure of a self-locking component of a fastener of the utility model;

[0018] Figure 4 for Figure 2 A schematic diagram of the enlarged structure at point A;

[0019] Figure 5 for Figure 3 A schematic diagram of the enlarged structure at B;

[0020] Figure 6 This is a schematic diagram of the first cylindrical structure of a self-locking component of a fastener of the utility model;

[0021] Figure 7 This is a schematic diagram of the partial structure of a self-locking component of a fastener of the utility model;

[0022] Figure 8 The utility model is a schematic diagram of the local structure of the rotating rod of the self-locking component of the fastener.

[0023] In the figure: 1. pin body; 2. mounting opening; 3. sliding plate; 4. mounting groove; 5. slider; 6. block; 7. limiting groove; 8. first spring; 9. first cylinder; 10. protrusion; 1101. first gear; 1102. second gear; 1103. second cylinder; 1104. rotating rod; 1105. fixing opening; 1106. mounting plate; 1401. fixing groove; 1402. fixing block; 15. second spring; 16. rubber ring; 17. threaded rod. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-8 The utility model provides a self-locking component of a fastener, comprising a pin body 1, a mounting opening 2 is opened on the side wall of the pin body 1, and a sliding plate 3 is inserted in the mounting opening 2, the sliding plate 3 is connected to the tube body 1 through a lifting mechanism, and the side wall of the sliding plate 3 is opened with two symmetrically distributed mounting grooves 4, a slider 5 is inserted in the two mounting grooves 4, and the slider 5 is connected to the mounting groove 4 through a first telescopic mechanism, a clamping block 6 is fixed on the top of the slider 5, and a limiting groove 7 is opened on the side wall of the clamping block 6, a first cylinder 9 is rotatably connected to the top of the sliding plate 4, and the side wall of the first cylinder 9 The wall is fixed with symmetrically distributed protrusions 10, which are adapted to the limiting grooves 7. The rotation of the first cylinder 9 is driven by the driving mechanism. The side wall of the pin body 1 is sleeved with a rubber ring 16, and the rubber ring 16 is connected to the pin body 1 through the second telescopic mechanism. When it reaches the limiting hole in the fastener reserved hole, the clamping block 6 is quickly clamped under the action of the first telescopic mechanism, which is convenient for fastening the fastener. The first cylinder 9 rotates to drive the protrusion 10 to rotate into the limiting groove 7, further squeezing the clamping block 6, making the device more secure and having a better self-locking function.

[0026] The driving mechanism includes a fixing hole 1105 opened on the side wall of the pin body 1, and a mounting plate 1106 is inserted into the fixing hole 1105, the mounting plate 1106 is fixed to the side wall of the sliding plate 3, and a rotating rod 1104 is inserted into the mounting plate 1106, both ends of the rotating rod 1104 are rotatably connected to the side wall opposite to the fixing hole 14, and the side wall of the rotating rod 1104 is slidably connected to the second gear 1102 through a guide mechanism, a second cylinder 1103 is fixed to the bottom of the second gear 1102, and the bottom of the second cylinder 1103 is rotatably connected to the mounting plate 15, a first gear 1101 is fixed to the top of the first cylinder 9, and the second gear 1102 is meshed with the first gear 1101, and the second gear 1102 and the second cylinder 1103 are rotated by rotating the rotating rod 1104, so that the meshed first gear 1101 and the first cylinder 9 rotate, and the protrusion 10 is driven to rotate into the limiting groove 7 to form a self-locking;

[0027] The guide mechanism includes two symmetrically distributed fixing grooves 1401 opened on the side wall of the rotating rod 1104, and the two fixing grooves 1401 are both inserted with fixing blocks 1402, and the two fixing blocks 1402 are both symmetrically fixed to the inner circle of the second gear 1102. The fixing blocks 1402 and the fixing grooves 1401 can limit the rotation of the second gear 1102, and the second gear 1102 can only rotate with the rotating rod 1104 and slide on the rotating rod 1104;

[0028] The lifting mechanism includes a threaded rod 17 inserted into the first cylinder 9, and the threaded rod 17 is screwed to the sliding plate 3. The two ends of the threaded rod 17 are respectively rotatably connected to the side walls opposite to the mounting opening 2 through a rotating shaft. The sliding plate 3 can be driven by rotating the threaded rod 17, and the position of the sliding plate 3 can be adjusted to form a clamping function.

[0029] The first telescopic mechanism includes a first spring 8 inserted in the mounting groove 4, and the two ends of the first spring 8 are respectively fixed to the slider 5 and the opposite side walls of the mounting groove 4, and the first spring 8 can drive the slider 5 to move, so that the clamping block 6 forms a clamping effect;

[0030] The second telescopic mechanism includes a second spring 15 sleeved on the tube body 1, and the two ends of the second spring 15 are respectively fixed to the opposite side walls of the pin body 1 and the rubber ring 16. The second spring 15 can form a pre-tightening force on the rubber ring 16 during clamping, and the clamping effect is better.

[0031] Working principle: When in use, the pin body 1 is inserted into the fastener reserved hole, and the block 6 will retract under the action of the slider 5 and the first spring 8 due to the hole diameter. When it reaches the limit hole in the fastener reserved hole, the block 6 is quickly engaged under the action of the first spring 8, which facilitates the fastening of the fastener.

[0032] At the same time, the second gear 1102 and the second cylinder 1103 are driven to rotate by rotating the rotating rod 1104, so that the meshing first gear 1101 and the first cylinder 9 are rotated, driving the protrusion 10 to rotate into the limiting groove 7, further squeezing the block 6, making the device more secure and having a better self-locking function;

[0033] At the same time, the device is applicable to other fasteners. When two fasteners need to be fastened, the pin body 1 is first inserted into the reserved hole of the fastener. The clamping block 6 will be popped out at the bottom of one fastener under the action of the first spring 8. The sliding plate 3 is driven to slide by rotating the threaded rod 17. The top of the second fastener will contact the rubber ring 16, so that the two fasteners are firmly clamped, and the second spring 15 will provide a pre-tightening force to improve the clamping and fastening effect.

[0034] 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.

Claims

1. A self-locking component of a fastener, comprising a pin body (1), characterized in that: The pin body (1) has a mounting opening (2) on its side wall, and a sliding plate (3) is inserted into the mounting opening (2). The sliding plate (3) is connected to the pin body (1) through a lifting mechanism, and the sliding plate (3) has two symmetrically distributed mounting grooves (4) on its side wall, and sliding blocks (5) are inserted into the two mounting grooves (4), and the sliding blocks (5) are connected to the mounting grooves (4) through a first telescopic mechanism. A clamping block (6) is fixed on the top of the sliding block (5), and a limiting groove (7) is formed on the side wall of the clamping block (6). The top of the sliding plate (3) is rotatably connected to a first cylinder (9), and symmetrically distributed protrusions (10) are fixed on the side wall of the first cylinder (9), and the protrusions (10) are matched with the limiting grooves (7). The rotation of the first cylinder (9) is driven by a driving mechanism. A rubber ring (16) is sleeved on the side wall of the pin body (1), and the rubber ring (16) is connected to the pin body (1) through a second telescopic mechanism.

2. A self-locking component of a fastener according to claim 1, characterized in that: The driving mechanism comprises a fixing opening (1105) provided on the side wall of the pin body (1), and a mounting plate (1106) is inserted into the fixing opening (1105), the mounting plate (1106) is fixed to the side wall of the sliding plate (3), and a rotating rod (1104) is inserted into the mounting plate (1106), both ends of the rotating rod (1104) are rotatably connected to the side wall opposite to the fixing opening (1105), and the side wall of the rotating rod (1104) is slidably connected to a second gear (1102) through a guide mechanism, a second cylinder (1103) is fixed to the bottom of the second gear (1102), and the bottom of the second cylinder (1103) is rotatably connected to the mounting plate (1106), and a first gear (1101) is fixed to the top of the first cylinder (9), and the second gear (1102) is meshed with the first gear (1101).

3. A self-locking component of a fastener according to claim 2, characterized in that: The guide mechanism comprises two symmetrically distributed fixing grooves (1401) opened on the side wall of the rotating rod (1104), and fixing blocks (1402) are inserted into the two fixing grooves (1401), and the two fixing blocks (1402) are symmetrically fixed to the inner ring of the second gear (1102).

4. A self-locking component of a fastener according to claim 1, characterized in that: The lifting mechanism comprises a threaded rod (17) inserted into the first cylinder (9), and the threaded rod (17) is screwed to the sliding plate (3), and the two ends of the threaded rod (17) are rotatably connected to the side walls opposite to the installation opening (2) through a rotating shaft.

5. The self-locking component of a fastener according to claim 1, characterized in that: The first telescopic mechanism comprises a first spring (8) inserted in the mounting groove (4), and two ends of the first spring (8) are respectively fixed to the sliding block (5) and the opposite side walls of the mounting groove (4).

6. A self-locking component of a fastener according to claim 1, characterized in that: The second telescopic mechanism comprises a second spring (15) sleeved on the pin body (1), and two ends of the second spring (15) are respectively fixed to the opposite side walls of the pin body (1) and the rubber ring (16).

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