CN209875687U - Nut convenient to disassemble and used for special screw - Google Patents

Abstract

The utility model relates to a nut for special screw which can be conveniently disassembled, comprising a first auxiliary handle, an injection opening, a sliding groove, a second auxiliary handle, a rotating shaft, a bearing, a sliding block, a bearing mounting seat, a ball nut pair, a screw rod and a sealing rubber pad, wherein the first auxiliary handle is arranged on one annular side surface of a nut body, the sliding block is connected inside the sliding groove in a sliding way, the bearing is arranged inside the bearing mounting seat, the ball nut pair is arranged inside the sliding groove and close to one side of an internal thread, the annular side surface of the rotating shaft is fixedly connected with an inner ring of the bearing, the screw rod is fixedly connected with one end of the rotating shaft, the screw rod is rotatably connected inside the ball nut pair, the other end of the rotating shaft is fixedly connected with the second auxiliary handle, the injection opening is arranged on the surface of the nut body and is communicated with the sliding groove, when the nut body is not required to be disassembled, the air is blocked to enter the channel at the internal thread, and the corrosion and the rusting of the internal thread are slowed down.

Description

Nut convenient to disassemble and used for special screw

Technical Field

The utility model relates to a machine part field specifically is a special screw nut that can conveniently dismantle.

Background

Nuts are also called nuts, and there are many types of nuts, including hexagonal nuts, round nuts, square nuts, and the like. The nut is a part for tightly connecting mechanical equipment, is screwed with a bolt or a screw rod through an internal thread and is used for fastening, and an element which is necessary for producing and manufacturing machinery is divided into carbon steel, stainless steel, nonferrous metal and the like according to different materials.

The structure as disclosed in CN201572711U among the prior art mainly solves the problem that nut and bolt contact department rust easily and lead to not twisting down, but its shortcoming is, main hole and vice hole lug connection exterior space and internal thread can form a passageway for the air admission internal thread, and the internal screw thread corrosion can be accelerated to impurity in the air for the internal thread rusts, is not convenient for dismantle more, to sum up, this application now provides a special screw that can conveniently dismantle and uses the nut to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special screw nut that can conveniently dismantle to solve the problem that proposes in the above-mentioned background art, the utility model discloses convenient to use, easy operation, systematic height, the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: a nut for special screw capable of being conveniently disassembled comprises a nut body with an internal thread arranged in the middle, and comprises a first auxiliary handle, an injection port, a sliding groove, a second auxiliary handle, a rotating shaft, a bearing, a sliding block, a bearing mounting seat, a ball nut pair, a screw rod and a sealing rubber gasket, wherein the first auxiliary handle is arranged on one annular side surface of the nut body, the sliding groove is arranged on the annular side surface of the nut body corresponding to the first auxiliary handle, the sliding block is connected inside the sliding groove in a sliding manner, the bearing mounting seat is fixed inside the sliding block, the bearing is arranged inside the bearing mounting seat, the ball nut pair is arranged inside the sliding groove and close to one side of the internal thread, the annular side surface of the rotating shaft is fixedly connected with an inner ring of the bearing, the screw rod is fixedly connected with one end of the rotating shaft, the screw rod is rotatably connected inside the ball nut pair, and the other end, the filling opening is opened on the nut body surface, and is linked together with the spout, sealed cushion is fixed and is close to one side of internal thread at the slider.

Furthermore, a hollow cylinder groove for hiding the first auxiliary handle is formed in one side face, where the first auxiliary handle is located, of the nut body.

Further, the outer surfaces of the first auxiliary handle and the second auxiliary handle are wrapped with anti-skidding rubber mats.

Further, a sealing piston is arranged on the contact surface of the sliding block and the sliding groove.

Further, the cross section of the injection port is in a regular hexagon shape, and the cross sectional area of the sealing rubber gasket is larger than that of the injection port.

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

1. the utility model can inject lubricating oil into the internal thread through the injection port and the chute, thereby facilitating disassembly;

2. the utility model enables the worker to exert force better to detach the nut body through the force-assisted action of the first auxiliary handle and the second auxiliary handle;

3. the utility model discloses a sealed filling opening can be sealed to sealed cushion, when need not to dismantle the nut body, seals the filling opening, and separation air gets into the passageway of internal thread department, slows down internal screw thread corrosion and rusts.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the bearing mounting seat of the present invention;

fig. 3 is a schematic structural view of the middle sealing rubber gasket of the present invention.

In the reference symbols: 1. a nut body; 2. a first auxiliary handle; 3. an internal thread; 4. an injection port; 5. a chute; 6. a second auxiliary handle; 7. a rotating shaft; 8. a bearing; 9. a slider; 10. a bearing mount; 11. a ball nut pair; 12. a screw rod; 13. and sealing the rubber gasket.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a nut for special screw which can be conveniently disassembled comprises a nut body 1 provided with an internal thread 3 at the middle position, and comprises a first auxiliary handle 2, an injection opening 4, a chute 5, a second auxiliary handle 6, a rotating shaft 7, a bearing 8, a slide block 9, a bearing mounting seat 10, a ball nut pair 11, a screw rod 12 and a sealing rubber gasket 13, wherein the first auxiliary handle 2 is arranged at one annular side surface of the nut body 1, the chute 5 is arranged at the annular side surface of the nut body 1 corresponding to the first auxiliary handle 2, the slide block 9 is connected inside the chute 5 in a sliding way, the bearing mounting seat 10 is fixed inside the slide block 9, the bearing 8 is arranged inside the bearing mounting seat 10, the ball nut pair 11 is arranged at one side close to the internal thread 3 inside the chute 5, the annular side surface of the rotating shaft 7 is fixedly connected with the inner ring of the bearing 8, the screw rod 12 is fixedly connected with one end of the rotating shaft 7, the other end of the rotating shaft 7 is fixedly connected with a second auxiliary handle 6, the injection port 4 is arranged on the surface of the nut body 1 and communicated with the sliding groove 5, and the sealing rubber gasket 13 is fixed on one side surface of the sliding block 9 close to the internal thread 3.

A hollow cylindrical groove for hiding the first auxiliary handle 2 is formed in one side face of the nut body 1 where the first auxiliary handle 2 is located.

The outer surfaces of the first auxiliary handle 2 and the second auxiliary handle 6 are wrapped with anti-skid rubber pads.

The contact surface of the sliding block 9 and the sliding groove 5 is provided with a sealing piston.

The cross section of the injection port 4 is a regular hexagon, and the cross sectional area of the sealing rubber pad 13 is larger than that of the injection port 4.

The utility model discloses at the during operation: when the nut body 1 needs to be disassembled, the second auxiliary handle 6 is rotated, the second auxiliary handle 6 drives the rotating shaft 7 to rotate, the rotating shaft 7 rotates through the bearing 8, the rotating shaft 7 drives the screw rod 12 to rotate, the screw rod 12 rotates inside the ball nut pair 11, the screw rod 12 moves towards the direction close to the internal thread 3, the sliding block 9 is driven to move towards the internal thread 3 inside the sliding chute 5, the sliding block 9 drives the sealing rubber gasket 13 to move, the sealing rubber gasket 13 gradually opens the injection port 4, lubricating oil is dripped into the injection port 4, the lubricating oil enters the sliding chute 5 through the injection port 4 and enters the internal thread 3 to lubricate the internal thread 3, a worker applies force to disassemble the nut body 1 by means of the first auxiliary handle 2 and the second auxiliary handle 6, and therefore the problem that the external space and the internal thread 3 are directly connected with the main hole and the auxiliary hole in the traditional nut is solved, and air can enter the internal thread 3 to form a channel, the impurity in the air can accelerate the corruption of internal thread 3 for the rust of internal thread 3, the problem of being not convenient for dismantle more.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a can convenient special screw nut of dismantling, includes that the intermediate position is provided with nut body (1) of internal thread (3), its characterized in that: comprises a first auxiliary handle (2), an injection port (4), a chute (5), a second auxiliary handle (6), a rotating shaft (7), a bearing (8), a sliding block (9), a bearing mounting seat (10), a ball nut pair (11), a screw rod (12) and a sealing rubber gasket (13), wherein the first auxiliary handle (2) is arranged on an annular side surface of the nut body (1), the chute (5) is arranged on the annular side surface of the nut body (1) corresponding to the first auxiliary handle (2), the sliding block (9) is connected inside the chute (5) in a sliding manner, the bearing mounting seat (10) is fixed inside the sliding block (9), the bearing (8) is arranged inside the bearing mounting seat (10), the ball nut pair (11) is arranged inside the chute (5) and close to one side of the internal thread (3), and the annular side surface of the rotating shaft (7) is fixedly connected with the inner ring of the bearing (8), screw rod (12) and pivot (7) one end fixed connection, and screw rod (12) rotate to be connected inside ball nut is vice (11), the pivot (7) other end and second assist handle (6) fixed connection, nut body (1) surface is seted up in filling opening (4), and is linked together with spout (5), sealed cushion (13) are fixed in slider (9) and are close to a side of internal thread (3).

2. The nut for special screw capable of being conveniently disassembled according to claim 1, is characterized in that: a hollow cylindrical groove for hiding the first auxiliary handle (2) is formed in one side face of the nut body (1) where the first auxiliary handle (2) is located.

3. The nut for special screw capable of being conveniently disassembled according to claim 1, is characterized in that: the outer surfaces of the first auxiliary handle (2) and the second auxiliary handle (6) are wrapped with anti-skid rubber pads.

4. The nut for special screw capable of being conveniently disassembled according to claim 1, is characterized in that: and a sealing piston is arranged on the contact surface of the sliding block (9) and the sliding groove (5).

5. The nut for special screw capable of being conveniently disassembled according to claim 1, is characterized in that: the cross section of the injection port (4) is in a regular hexagon shape, and the cross sectional area of the sealing rubber gasket (13) is larger than that of the injection port (4).