CN208619495U - A kind of dust-proof nut - Google Patents

Abstract

The utility model discloses a kind of dust-proof nuts, including the first fixed plate, through-hole is offered at the top of first fixed plate, the bottom of first fixed plate offers the first groove, the internal activity of first groove is connected with the second fixed plate, offers placing groove at the top of second fixed plate；The two sides of described first fixed plate surface offer long hole, and long hole is connected to the first groove.The utility model passes through the first fixed plate of setting and the first groove; achieve the effect that place the second fixed plate, by through-hole and placing groove, achievees the effect that connect bolt; pass through expansion plate; achieve the effect that assist the second fixed plate mobile, by expansion plate and the second fixed plate, achievees the effect that protect bolt thread; pass through fixture block, the first card slot and the second card slot; achieve the effect that the second fixed plate and the fixed limit of expansion plate can protect the thread of bolt, also facilitate and dismantle bolt.

Description

A kind of dust-proof nut

Technical field

The utility model relates to nut technical field, specially a kind of dust-proof nut.

Background technique

Nut is also known as nut, is a kind of fixed tool, and there is hole at center, there is screw thread on the inside of hole, nut often with The screw that size is harmonious shares, and glue can be used if the environmental factors such as vibration enable nut loosen with the related bonding part of fixation The tools such as water or safety pin are further that related part reinforces, and nut is in hexagon more, next is square, screw bolt and nut cooperation In use, the thread for having part bolt is exposed for a long time outside, bolt is exposed for a long time to get rusty easily when outer, Er Qiehui There are a large amount of dust or soil to be attached on bolt, so that inconvenient dismantle bolt, it is thus it is proposed that a kind of anti- Dirt nut.

Utility model content

The purpose of this utility model is to provide a kind of dust-proof nut, the thread of bolt can be protected by having, when long Between it is exposed when outer, be not easy the advantages of getting rusty and adhere to a large amount of dusts and soil, the thread of bolt can not be protected by solving Shield, it is exposed when outer for a long time, the problem of getting rusty easily and adhere to a large amount of dusts and soil.

To achieve the above object, the utility model provides the following technical solutions: a kind of dust-proof nut, including first fixed Plate, offers through-hole at the top of first fixed plate, and the bottom of first fixed plate offers the first groove, and described first The internal activity of groove is connected with the second fixed plate, offers placing groove at the top of second fixed plate；

The two sides of described first fixed plate surface offer long hole, and long hole is connected to the first groove, the long hole Internal slide is connected with expansion plate, and the bottom of the expansion plate is fixedly connected with the second fixed plate, first fixed plate bottom Two sides be fixedly connected to fixed block, the side of the fixed block offers the second groove, and the inside of second groove is set It is equipped with connecting rod, the side of the connecting rod is fixedly connected with fixture block, and the two sides of second fixed plate offer the first card Slot, the fixture block and the first card slot are clamped, and the surface of the connecting rod is arranged with spring, and one end and the fixture block of the spring are fixed Connection, the one end of the spring far from fixture block is fixedly connected with the inner wall of the second groove, and the side of the expansion plate offers the Two draw-in groove.

Preferably, sliding block is fixedly connected at the top of the expansion plate side, the surface of first fixed plate offers Sliding slot, and sliding slot is connected to long hole, the sliding block is slidably connected with sliding slot.

Preferably, the quantity of second card slot is several, and is in be equally spaced.

Preferably, the connecting rod extends to the outside of fixed block far from one end of fixture block, and the connecting rod, which is located at, fixes One end outside block is fixedly connected with pulling plate.

Compared with prior art, the beneficial effects of the utility model are as follows:

1, the utility model is achieved the effect that place the second fixed plate, be led to by the first fixed plate of setting and the first groove Through-hole and placing groove are crossed, achievees the effect that connect bolt, by expansion plate, achievees the effect that assist the second fixed plate mobile, lead to Expansion plate and the second fixed plate are crossed, achievees the effect that protect bolt thread, by fixture block, the first card slot and the second card slot, reach To the effect to the second fixed plate and the fixed limit of expansion plate, the thread of bolt can be protected, also facilitate and bolt is carried out Disassembly.

2, the utility model achievees the effect that auxiliary telescopic plate is mobile, expansion plate is avoided to move by sliding block and sliding slot Excessive situation is moved, by long hole, achievees the effect that place expansion plate, avoids expansion plate from being in the presence of not placing, pass through Second groove achievees the effect that place connecting rod, by connecting rod and spring, achievees the effect that support fixture block, also convenient card Block is resetted after movement, by pulling plate, facilitates pulling connecting rod, and connecting rod is avoided irremovable situation occur.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the partial structurtes enlarged diagram of A in the utility model Fig. 1.

In figure: 1 first fixed plate, 2 through-holes, 3 first grooves, 4 second fixed plates, 5 placing grooves, 6 long holes, 7 expansion plates, 8 Fixed block, 9 second grooves, 10 connecting rods, 11 fixture blocks, 12 first card slots, 13 springs, 14 second card slots, 15 sliding blocks, 16 sliding slots, 17 pulling plates.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of dust-proof nut referring to FIG. 1-2, including the first fixed plate 1, the top of the first fixed plate 1 offer through-hole 2, the bottom of the first fixed plate 1 offers the first groove 3, and the internal activity of the first groove 3 is connected with the second fixed plate 4, and second The top of fixed plate 4 offers placing groove 5；

The two sides on 1 surface of the first fixed plate offer long hole 6, and long hole 6 is connected to the first groove 3, by long hole 6, Achieve the effect that place expansion plate 7, avoids expansion plate 7 from being in the presence of not placing, the internal slide of long hole 6 is connected with flexible Plate 7, two expansion plates 7 are disposed as semicircle shape, are conveniently used cooperatively, and also facilitate and protect to bolt, 7 side of expansion plate Top is fixedly connected with sliding block 15, and the surface of the first fixed plate 1 offers sliding slot 16, and sliding slot 16 is connected to long hole 6, sliding block 15 It is slidably connected with sliding slot 16, by sliding block 15 and sliding slot 16, achievees the effect that auxiliary telescopic plate 7 is mobile, expansion plate 7 is avoided to occur It is moved through more situations, the bottom of expansion plate 7 is fixedly connected with the second fixed plate 4, and the two sides of 1 bottom of the first fixed plate are fixed It is connected with fixed block 8, the side of fixed block 8 offers the second groove 9, by the second groove 9, reaches the effect for placing connecting rod 10 Fruit, the second groove 9 are internally provided with connecting rod 10, and connecting rod 10 extends to the outside of fixed block 8 far from one end of fixture block 11, One end that connecting rod 10 is located at outside fixed block 8 is fixedly connected with pulling plate 17, by pulling plate 17, facilitates and pulls connecting rod 10, keep away Exempt from connecting rod 10 and irremovable situation occur, the side of connecting rod 10 is fixedly connected with fixture block 11, the two sides of the second fixed plate 4 The first card slot 12 is offered, fixture block 11 and the first card slot 12 are clamped, and the surface of connecting rod 10 is arranged with spring 13, passes through connection Bar 10 and spring 13 achieve the effect that support fixture block 11, also facilitate fixture block 11 to be resetted after movement, one end of spring 13 It being fixedly connected with fixture block 11, the one end of spring 13 far from fixture block 11 is fixedly connected with the inner wall of the second groove 9, and the one of expansion plate 7 Side offers the second card slot 14, and the quantity of the second card slot 14 is several, and in being equally spaced, by the way that the first fixed plate 1 is arranged With the first groove 3, achieve the effect that place the second fixed plate 4, by through-hole 2 and placing groove 5, achieve the effect that connect bolt, By expansion plate 7, achievees the effect that assist the second fixed plate 4 mobile, by expansion plate 7 and the second fixed plate 4, reach to bolt The effect of thread protection reaches solid to the second fixed plate 4 and expansion plate 7 by fixture block 11, the first card slot 12 and the second card slot 14 The effect of fixing limit can protect the thread of bolt, also facilitate and dismantle to bolt.

In use, bolt is screwed into through-hole 2 and placing groove 5, pulling plate 17 is pulled, pulling plate 17 drives card by connecting rod 10 Block 11 is extracted out out of first card slot 12, rotating bolt, and bolt drives the second fixed plate 4 mobile, and the second fixed plate 4 is mobile same When also drive expansion plate 7 mobile, expansion plate 7 is moved to after suitable position through the cooperation of fixture block 11 and the second card slot 14 to flexible Plate 7 is fixed, and protects also by the position that expansion plate 7 and the second fixed plate 4 stretch out bolt, facilitates people to bolt Carry out using.

In summary: the dust-proof nut by the first fixed plate 1, through-hole 2, the first groove 3, the second fixed plate 4, is placed The cooperation of slot 5, expansion plate 7, fixed block 8, connecting rod 10, fixture block 11, the first card slot 12, spring 13 and the second card slot 14 solves The thread of bolt can not be protected, it is exposed when outer for a long time, it gets rusty easily and adheres to asking for a large amount of dusts and soil Topic.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (4)

1. a kind of dust-proof nut, including the first fixed plate (1), it is characterised in that: offered at the top of first fixed plate (1) The bottom of through-hole (2), first fixed plate (1) offers the first groove (3), and the internal activity of first groove (3) connects It is connected to the second fixed plate (4), offers placing groove (5) at the top of second fixed plate (4)；

The two sides on the first fixed plate (1) surface offer long hole (6), and long hole (6) is connected to the first groove (3), institute The internal slide for stating long hole (6) is connected with expansion plate (7), and the bottom and the second fixed plate (4) of the expansion plate (7) are fixed to be connected It connects, the two sides of the first fixed plate (1) bottom are fixedly connected to fixed block (8), and the side of the fixed block (8) offers Second groove (9), second groove (9) are internally provided with connecting rod (10), and the side of the connecting rod (10) is fixed to be connected It is connected to fixture block (11), the two sides of second fixed plate (4) offer the first card slot (12), the fixture block (11) and the first card Slot (12) clamping, the surface of the connecting rod (10) are arranged with spring (13), and one end and fixture block (11) of the spring (13) are solid Fixed connection, the spring (13) are fixedly connected far from the one end of fixture block (11) with the inner wall of the second groove (9), the expansion plate (7) side offers the second card slot (14).

2. a kind of dust-proof nut according to claim 1, it is characterised in that: the top of expansion plate (7) side is fixed It being connected with sliding block (15), the surface of first fixed plate (1) offers sliding slot (16), and sliding slot (16) is connected to long hole (6), The sliding block (15) is slidably connected with sliding slot (16).

3. a kind of dust-proof nut according to claim 1, it is characterised in that: the quantity of second card slot (14) is several It is a, and be in be equally spaced.

4. a kind of dust-proof nut according to claim 1, it is characterised in that: the connecting rod (10) is far from fixture block (11) One end extends to the outside of fixed block (8), and the connecting rod (10) is located at the external one end of fixed block (8) and is fixedly connected with pulling plate (17)。