Anti-falling fastener

Abstract

The utility model discloses an anti-falling fastener, which relates to the technical field of fasteners, including a fixing main body screw and a plug-in auxiliary fixing screw, wherein a plug-in slot is provided in the middle of the fixing main body screw, a plug-in hole is provided on the top surface of the fixing main body screw, and auxiliary limiting slots are provided on the two side surfaces of the fixing main body screw. The first step of fixing is directly performed by setting the fixing main body screw, and the plug-in auxiliary fixing screw is inserted into the plug-in slot. At this time, the plug-in column directly enters the inside of the plug-in slot, and the clamping fixing claw will be directly received into the inside of the connecting spring until it slides to the position of the auxiliary limiting slot, and then pops out directly, clamps the position of the auxiliary limiting slot, and performs horizontal fixing through the auxiliary fixing hole on the clamping fixing claw. By vertically fixing the fixing main body screw, and then using the horizontal fixing of the auxiliary fixing hole, a multi-directional fixing effect is achieved, thereby achieving an anti-falling effect.

Description

Technical Field

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

[0002] Fasteners are a type of mechanical parts used for fastening and connection and are extremely widely used. Fasteners are widely used in a wide range of industries, including energy, electronics, electrical appliances, machinery, chemicals, metallurgy, molds, hydraulics and other industries. Various types of fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, instruments and supplies. They are the most widely used mechanical basic parts. Its characteristics are a wide variety of varieties and specifications, different performances and uses, and a high degree of standardization, serialization and generalization. Therefore, some people call a type of fasteners with national standards standard fasteners, or simply standard parts. Utility Model Content

[0003] The utility model aims to provide an anti-falling fastener.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: an anti-falling fastener, comprising a fixing main screw and a plug-in auxiliary fixing screw, the fixing main screw is provided with a plug-in groove in the middle of the interior, the top surface of the fixing main screw is provided with a plug-in hole, and the two side surfaces of the fixing main screw are provided with auxiliary limiting grooves, the plug-in auxiliary fixing screw comprises a plug-in column, and the two side surfaces of the plug-in column are provided with a cache compartment, the inner bottom end of the cache compartment is fixedly connected with a connecting spring, the top of one side of the connecting spring is fixedly connected with a clamping fixing claw, and one side surface of the clamping fixing claw is provided with an auxiliary fixing hole.

[0005] Preferably, the connection relationship between the auxiliary limiting grooves and the clamping and fixing claws is a movable clamping connection, and the number of the auxiliary limiting grooves and the number of the clamping and fixing claws are the same.

[0006] Preferably, the connection relationship between the plug-in column and the plug-in slot is a movable sleeve connection, and the connection relationship between the plug-in column and the fixing body screw is a sliding connection.

[0007] Preferably, there are several connecting springs, and the several connecting springs are arranged in a straight line inside the cache compartment along the vertical direction.

[0008] Preferably, a fixing screw is detachably installed inside the auxiliary fixing hole, and a latch rod is fixedly connected to the bottom end surface of the latch auxiliary fixing screw.

[0009] Preferably, the connection relationship between the clamping fixing claw and the fixing screw is a threaded connection, the connection relationship between the latch rod and the latch hole is a movable clamping connection, and the positions of the latch rod and the latch hole correspond one to one.

[0010] Preferably, a fixing ear is fixedly welded to the edge of the top end of one side of the plug auxiliary fixing screw, and a fastening ear groove is provided inside the fixing ear.

[0011] Preferably, the number of the fixing ears is several, and the several fixing ears are distributed in a circle on the top edge of the pin auxiliary fixing screw.

[0012] Compared with the related art, the anti-falling fastener provided by the utility model has the following beneficial effects:

[0013] 1. The utility model provides an anti-falling fastener, which directly performs the first step of fixing by setting a fixing main body screw, inserts a plug-in auxiliary fixing screw into the interior of the plug-in slot, and the plug-in column directly enters the interior of the plug-in slot. At this time, the clamping fixing claw will be directly retracted into the interior of the connecting spring until it slides to the position of the auxiliary limit slot, and then pops out directly, locking the position of the auxiliary limit slot, and horizontally fixing is performed through the auxiliary fixing hole on the clamping fixing claw. The vertical fixation of the fixing main body screw and the horizontal fixation of the auxiliary fixing hole are used to achieve a multi-directional fixing effect, thereby achieving an anti-falling effect.

[0014] 2. The utility model provides an anti-falling fastener, which utilizes a latch rod to directly connect to the inside of a latch hole. Firstly, it increases the direct fixation of a fixing main body screw and an auxiliary latch screw to avoid the problem of rotation of the auxiliary latch screw. Secondly, it can assist in the limiting connection of the clamping fixing claw. Through a plurality of fixing ears at the top of the auxiliary latch screw, the auxiliary latch screw and the object are directly fixedly connected again to avoid the problem of falling off of the auxiliary latch screw, thereby further improving the installation stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the main fixing screw and the latch auxiliary fixing screw of the utility model in a disassembled bottom view;

[0017] Figure 3 This is a schematic diagram of the internal cross-sectional structure of the latch auxiliary fixing screw of the utility model;

[0018] Figure 4 It is a schematic diagram of the overall bottom view of the latch-assisted fixing screw of the utility model.

[0019] Numbers in the figure: 1. Fixing main body screw; 2. Auxiliary fixing screw for latch; 3. Plug-in slot; 4. Latch hole; 5. Auxiliary limit slot; 6. Plug-in column; 7. Cache compartment; 8. Connecting spring; 9. Snap-in fixing claw; 10. Auxiliary fixing hole; 11. Fixing screw; 12. Latch rod; 13. Fixing ear; 14. Fastening ear slot. DETAILED DESCRIPTION

[0020] Embodiment 1:

[0021] See also Figure 1-4 The utility model provides a technical solution: an anti-falling fastener, comprising a fixing main body screw 1 and a plug auxiliary fixing screw 2, a plug slot 3 is opened in the middle of the fixing main body screw 1, a plug hole 4 is opened on the top surface of the fixing main body screw 1, and auxiliary limiting slots 5 are opened on both side surfaces of the fixing main body screw 1. The plug auxiliary fixing screw 2 comprises a plug column 6, and a cache compartment 7 is opened on both side surfaces of the plug column 6. The bottom end of the inner bottom of the cache compartment 7 is fixedly connected with a connecting spring 8, and the top of one side of the connecting spring 8 is fixedly connected with a clamping fixing claw 9, and an auxiliary fixing hole 10 is opened on one side surface of the clamping fixing claw 9. The connection relationship between the auxiliary limiting slot 5 and the clamping fixing claw 9 is a movable clamping connection, and the number of the auxiliary limiting slot 5 and the clamping fixing claw 9 is the same, the connection relationship between the plug column 6 and the plug slot 3 is a movable sleeve connection, and the connection relationship between the plug column 6 and the fixing main body screw 1 is a sliding connection. The number of connecting springs 8 is a plurality of, and the plurality of connecting springs 8 are arranged in a straight line inside the cache compartment 7 along the vertical direction.

[0022] In the implementation scheme, the first step of fixing is directly performed by setting a fixing main body screw 1, and the pin auxiliary fixing screw 2 is inserted into the inside of the plug-in slot 3. At this time, the plug-in column 6 directly enters the inside of the plug-in slot 3. At this time, the snap-fitting fixing claw 9 will be directly retracted into the inside of the connecting spring 8 until it slides to the position of the auxiliary limit slot 5, and then pops out directly, snapping the position of the auxiliary limit slot 5, and horizontally fixing is performed through the auxiliary fixing hole 10 on the snap-fitting fixing claw 9. By fixing the main body screw 1 vertically, and then using the auxiliary fixing hole 10 for horizontal fixation, a multi-directional fixing effect is achieved, thereby achieving an anti-falling effect.

[0023] Embodiment 2:

[0024] See also Figure 1-4The utility model provides a technical solution: an anti-falling fastener, comprising an auxiliary fixing hole 10 with a fixing screw 11 detachably installed inside, a latch rod 12 fixedly connected to the bottom surface of the latch auxiliary fixing screw 2, a connection relationship between the clamping fixing claw 9 and the fixing screw 11 is a threaded connection, a connection relationship between the latch rod 12 and the latch hole 4 is an active clamping connection, the positions of the latch rod 12 and the latch hole 4 correspond one to one, a fixing ear 13 is fixedly welded to the edge of the top end of one side of the latch auxiliary fixing screw 2, a fastening ear groove 14 is provided inside the fixing ear 13, the number of the fixing ears 13 is several, and the several fixing ears 13 are circumferentially distributed on the top edge of the latch auxiliary fixing screw 2.

[0025] In the implementation scheme, by setting up the latch rod 12 to directly connect to the inside of the latch hole 4, firstly, the direct fixation of the fixing main screw 1 and the latch auxiliary fixing screw 2 is increased to avoid the problem of rotation of the latch auxiliary fixing screw 2, and secondly, the limiting connection of the clamping fixing claw 9 can be assisted, and the multiple fixing ears 13 on the top of the latch auxiliary fixing screw 2 are used to directly fix the latch auxiliary fixing screw 2 and the object again, thereby avoiding the problem of the latch auxiliary fixing screw 2 falling off, and further improving the installation stability of the device.

[0026] Working principle:

[0027] The first step of fixing is directly performed by setting the fixing main body screw 1, and the plug auxiliary fixing screw 2 is inserted into the inside of the plug slot 3. At this time, the plug column 6 directly enters the inside of the plug slot 3. At this time, the clamping fixing claw 9 will be directly retracted into the inside of the connecting spring 8 until it slides to the position of the auxiliary limiting groove 5, and then pops out directly, buckles the position of the auxiliary limiting groove 5, and is horizontally fixed through the auxiliary fixing hole 10 on the clamping fixing claw 9. The vertical fixation of the fixing main body screw 1 and the horizontal fixation of the auxiliary fixing hole 10 are used to achieve a multi-directional fixing effect, thereby achieving an anti-falling effect;

[0028] By setting up the latch rod 12 to directly connect to the inside of the latch hole 4, firstly, the fixing of the main screw 1 and the latch auxiliary fixing screw 2 is directly increased to avoid the problem of rotation of the latch auxiliary fixing screw 2. Secondly, it can assist the limiting connection of the clamping fixing claw 9. Through the multiple fixing ears 13 on the top of the latch auxiliary fixing screw 2, the latch auxiliary fixing screw 2 and the object are directly fixed again to avoid the problem of the latch auxiliary fixing screw 2 falling off, thereby further improving the installation stability of the device.

Claims

1. An anti-drop fastener, comprising a fixing main screw (1) and a latch auxiliary fixing screw (2), wherein a plug slot (3) is provided in the middle of the fixing main screw (1), characterized in that: The top surface of the fixing main body screw (1) is provided with a pin hole (4), and the two side surfaces of the fixing main body screw (1) are provided with auxiliary limit grooves (5). The pin auxiliary fixing screw (2) includes a plug-in column (6), and the two side surfaces of the plug-in column (6) are provided with a buffer compartment (7). The inner bottom end of the buffer compartment (7) is fixedly connected with a connecting spring (8), and the top end of one side of the connecting spring (8) is fixedly connected with a clamping fixing claw (9), and one side surface of the clamping fixing claw (9) is provided with an auxiliary fixing hole (10).

2. The anti-drop fastener according to claim 1, characterized in that: The connection relationship between the auxiliary limiting groove (5) and the clamping fixing claw (9) is a movable clamping connection, and the number of the auxiliary limiting groove (5) and the number of the clamping fixing claw (9) are the same.

3. The anti-drop fastener according to claim 1, characterized in that: The connection relationship between the plug-in column (6) and the plug-in slot (3) is a movable sleeve connection, and the connection relationship between the plug-in column (6) and the fixing body screw (1) is a sliding connection.

4. The anti-drop fastener according to claim 1, characterized in that: The number of the connecting springs (8) is several, and the several connecting springs (8) are arranged in a straight line inside the buffer compartment (7) along the vertical direction.

5. The anti-drop fastener according to claim 1, characterized in that: A fixing screw (11) is detachably mounted inside the auxiliary fixing hole (10), and a latch rod (12) is fixedly connected to the bottom end surface of the latch auxiliary fixing screw (2).

6. The anti-drop fastener according to claim 5, characterized in that: The connection relationship between the clamping fixing claw (9) and the fixing screw (11) is a threaded connection, the connection relationship between the latch rod (12) and the latch hole (4) is a movable clamping connection, and the positions of the latch rod (12) and the latch hole (4) correspond one to one.

7. The anti-drop fastener according to claim 1, characterized in that: A fixing ear (13) is fixedly welded to the edge of the top end of one side of the plug auxiliary fixing screw (2), and a fastening ear groove (14) is provided inside the fixing ear (13).

8. The anti-drop fastener according to claim 7, characterized in that: The number of the fixing ears (13) is several, and the fixing ears (13) are distributed in a circle on the top edge of the latch auxiliary fixing screw (2).

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