CN214146216U - Screw with dustproof nut - Google Patents

Abstract

The utility model discloses a screw with dustproof nut, including screw body, pocket, butt joint slide bar, nut and plectane, pocket fixed connection is at the lower extreme of screw body, butt joint slide bar sliding connection is in the inner wall of pocket, nut threaded connection is at the surface of screw body, plectane fixed connection is at the lower extreme of nut, the lower extreme fixedly connected with sleeve of plectane, the upper end of plectane is rotated and is connected with the carousel, drive mechanism, upside are installed to the inner wall of carousel the upper end fixedly connected with spacing groove of plectane, the upper end fixedly connected with roof of spacing groove. This screw with dust nut uses through the cooperation of carousel, small-size gear and arc ratch isotructure when using to reach the convenient effect of switch, used through the cooperation of horizontal ratch, rotating gear baffle isotructure, thereby reached and sealed stable effect.

Description

Screw with dustproof nut

Technical Field

The utility model belongs to the technical field of the dustproof nut, especially, relate to screw with dustproof nut.

Background

The nut is also called a nut, and is a fixing tool, the center of which is provided with a hole, the inner side of the hole is provided with threads, the nut is often shared with a screw with the same size to fix a relevant joint part, if the nut is loosened by environmental factors such as vibration and the like, the relevant part can be further reinforced by using tools such as glue or pins, and the nut is a fastener which is provided with internal threads and is matched with the bolt for use.

When screw bolt and nut cooperation were used, the thread that has partial bolt exposes outside for a long time, the bolt exposes outside for a long time easily rusts, and also have a large amount of dust or earth and adhere to on the bolt, thereby inconvenient dismantlement to the bolt, among the prior art, the screw generally exposes in external water and air circumstance for a long time, cause the corrosion of screw bolt and nut easily, influence life, it is very easy to advance dirt and intake, long-term the use back, cause corrosion or fracture easily, influence subsequent installation work.

To this end, we propose a screw with a dust nut to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems, and provides a screw with a dustproof nut, which is convenient to open and close stably.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

screw with dustproof nut, including screw body, collets, butt joint slide bar, nut and plectane, collets fixed connection is at the lower extreme of screw body, butt joint slide bar sliding connection is in the inner wall of collets, nut threaded connection is at the surface of screw body, plectane fixed connection is at the lower extreme of nut, the lower extreme fixedly connected with sleeve of plectane, the upper end of plectane is rotated and is connected with the carousel, drive mechanism, upside are installed to the inner wall of carousel the upper end fixedly connected with spacing groove of plectane, the upper end fixedly connected with roof of spacing groove, the internally mounted of roof has the closing mechanism.

Preferably, drive mechanism comprises small-size gear, pivot, rotating gear and arc ratch, arc ratch fixed connection is on the inner wall of carousel, small-size gear engagement is at the surface of arc ratch, pivot fixed connection is in the middle part of small-size gear upper end, rotating gear fixed connection is in the upper end of pivot.

Preferably, the closing mechanism comprises horizontal ratch, baffle, arc wall and top cap, horizontal ratch sliding connection is on the inner wall of roof, baffle fixed connection is in the upper end of horizontal ratch, the arc wall has been seted up to the inboard of baffle, the inner wall sliding connection of arc wall has the top cap.

Preferably, the circular plates are provided with two circular plates in total, and the two circular plates are respectively and rotatably connected to the upper end and the lower end of the rotary table.

Preferably, the width of the inner wall of the limit groove is equal to the width of the rotating shaft, and the lower end of the rotating shaft penetrates through the circular plate and is connected to the small gear.

Preferably, the number of the rotating gears is two, the two rotating gears are symmetrical about the screw body, and the transverse toothed bar is meshed with the outer surface of each rotating gear.

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

1. this screw with dustproof nut uses through the cooperation of carousel, small-size gear and arc ratch isotructure when using, and it is rotatory that rotatory carousel can drive the arc ratch of inner wall, and the arc ratch can drive inboard small-size gear at this moment rotatory for the small-size gear drives the pivot rotation of upper end, and the pivot can rotate at the inner wall of spacing groove at this moment, thereby has reached the convenient effect of switch.

2. This screw with dust nut uses through the cooperation of horizontal ratch, running gear baffle isotructure when using for two running gear drive two horizontal ratches of surface are close to each other, and at this moment horizontal ratch can drive two baffles and be close to each other, and the upside of screw body is sealed up to two baffles, thereby has reached the stable effect of sealing.

Drawings

Fig. 1 is a schematic structural view of a screw with a dust nut according to the present invention;

FIG. 2 is a schematic view of a connection structure of the turntable, the small gear and the rotating shaft;

FIG. 3 is a schematic view of a connection structure of the baffle plate, the arc-shaped groove and the top cover;

fig. 4 is an enlarged schematic view of a region a in fig. 1.

In the figure: 1 screw body, 2 loop blocks, 3 butt joint slide bars, 4 nuts, 5 round plates, 6 sleeves, 7 turntables, 8 small gears, 9 rotating shafts, 10 limiting grooves, 11 top plates, 12 transverse toothed bars, 13 rotating gears, 14 baffle plates, 15 arc-shaped grooves, 16 top covers and 17 inner toothed bars.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, a screw with a dustproof nut includes a screw body 1, a sleeve block 2, a butt slide rod 3, a nut 4 and a circular plate 5, wherein the sleeve block 2 is fixedly connected to the lower end of the screw body 1, the butt slide rod 3 is slidably connected to the inner wall of the sleeve block 2, the nut 4 is in threaded connection with the outer surface of the screw body 1, the circular plate 5 is fixedly connected to the lower end of the nut 4, the lower end of the circular plate 5 is fixedly connected with a sleeve 6, the upper end of the circular plate 5 is rotatably connected with a turntable 7, the circular plate 5 is provided with two circular plates, the two circular plates 5 are respectively rotatably connected to the upper end and the lower end of the turntable 7, a transmission mechanism is installed on the inner wall of the turntable 7, the upper end of the upper circular plate 5 is fixedly connected with a limiting groove 10, the upper end of the limiting groove 10 is fixedly connected with a top plate 11, and a sealing mechanism is installed inside the top plate 11.

Drive mechanism comprises small-size gear 8, pivot 9, rotating gear 13 and arc ratch 17, and arc ratch 17 fixed connection is on the inner wall of carousel 7, and small-size gear 8 meshes at arc ratch 17's surface, and pivot 9 fixed connection is in the middle part of small-size gear 8 upper end, and the width of spacing groove 10 inner wall equals with the width of pivot 9, and the lower extreme of pivot 9 runs through plectane 5 and connects on small-size gear 8, and rotating gear 13 fixed connection is in the upper end of pivot 9.

Closing mechanism is by horizontal ratch 12, baffle 14, arc wall 15 and top cap 16 are constituteed, horizontal ratch 12 sliding connection is on the inner wall of roof 11, rotating gear 13 has two altogether, two rotating gear 13 are about screw body 1 symmetry, and the surface at rotating gear 13 of horizontal ratch 12 meshing, baffle 14 fixed connection is in the upper end of horizontal ratch 12, arc wall 15 has been seted up to baffle 14's inboard, the inner wall sliding connection of arc wall 15 has top cap 16, top cap 16's design has not only made things convenient for the seal work to screw body 1, also can adapt to the use to not co-altitude screw body 1 simultaneously.

Now, the operation principle of the present invention is described as follows:

when the screw with the dustproof nut is used, after a certain part needs to be fixed, a user firstly places the screw body 1 on the upper side of an area to be installed, then inserts the butt joint sliding rod 3 on the inner wall of the sleeve block 2, the nut 4 is then rotated until the mounting structure is fixed, and the turntable 7 is then rotated, so that the turntable 7 drives the arc-shaped toothed bar 17 of the inner wall to rotate, the arc-shaped toothed bar 17 then drives the small gear 8 on the inner side to rotate, so that the small gear 8 drives the rotating shaft 9 at the upper end to rotate, the rotating shaft 9 can rotate on the inner wall of the limiting groove 10 at the moment, at this time, the rotating gear 13 will rotate along with the rotating shaft 9, so that the two rotating gears 13 drive the two transverse rack bars 12 on the outer surface to approach each other, at this time, the transverse rack 12 drives the two baffles 14 to approach each other until the two baffles 14 close the upper side of the screw body 1, and the top cover 16 is inserted into the arc-shaped groove 15.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The screw with the dustproof nut comprises a screw body (1), a sleeve block (2), a butt joint sliding rod (3), a nut (4) and a circular plate (5), it is characterized in that the sleeve block (2) is fixedly connected with the lower end of the screw body (1), the butt joint sliding rod (3) is connected in the inner wall of the sleeve block (2) in a sliding way, the nut (4) is connected on the outer surface of the screw body (1) in a threaded way, the circular plate (5) is fixedly connected with the lower end of the nut (4), the lower end of the circular plate (5) is fixedly connected with a sleeve (6), the upper end of the circular plate (5) is rotatably connected with a rotary table (7), the inner wall of the rotary table (7) is provided with a transmission mechanism, the upper end of the circular plate (5) at the upper side is fixedly connected with a limit groove (10), the upper end fixedly connected with roof (11) of spacing groove (10), the internally mounted of roof (11) has closing mechanism.

2. The screw with the dustproof nut as claimed in claim 1, wherein the transmission mechanism is composed of a small gear (8), a rotating shaft (9), a rotating gear (13) and an arc-shaped toothed bar (17), the arc-shaped toothed bar (17) is fixedly connected to the inner wall of the rotary table (7), the small gear (8) is meshed with the outer surface of the arc-shaped toothed bar (17), the rotating shaft (9) is fixedly connected to the middle of the upper end of the small gear (8), and the rotating gear (13) is fixedly connected to the upper end of the rotating shaft (9).

3. The screw with the dustproof nut is characterized in that the closing mechanism consists of a transverse toothed bar (12), a baffle plate (14), an arc-shaped groove (15) and a top cover (16), the transverse toothed bar (12) is connected to the inner wall of the top plate (11) in a sliding mode, the baffle plate (14) is fixedly connected to the upper end of the transverse toothed bar (12), the arc-shaped groove (15) is formed in the inner side of the baffle plate (14), and the top cover (16) is connected to the inner wall of the arc-shaped groove (15) in a sliding mode.

4. The screw with the dustproof nut as claimed in claim 1, wherein two circular plates (5) are provided in total, and the two circular plates (5) are rotatably connected to the upper and lower ends of the rotary plate (7), respectively.

5. The screw with the dustproof nut as claimed in claim 2, wherein the width of the inner wall of the limiting groove (10) is equal to the width of the rotating shaft (9), and the lower end of the rotating shaft (9) penetrates through the circular plate (5) and is connected to the small gear (8).

6. Screw with dust nut according to claim 3, characterized in that there are two of said turning gears (13), that two of said turning gears (13) are symmetrical with respect to the screw body (1), and that said transversal toothed bar (12) engages on the outer surface of the turning gears (13).

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