CN213117072U

CN213117072U - Combined nut

Info

Publication number: CN213117072U
Application number: CN202021237862.3U
Authority: CN
Inventors: 吴寿武
Original assignee: Wenzhou Kaian Auto Parts Co ltd
Current assignee: Wenzhou Kaian Auto Parts Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-05-04
Anticipated expiration: 2030-06-30

Abstract

The utility model discloses a combined nut in five metals field, including the nut body, the nut body comprises internal thread nut, connecting seat and outer thread nut, and the inside bottom of internal thread nut has outer thread nut through second internal thread threaded connection, and outer thread nut comprises end and screw rod, and the outer wall of end passes through second internal thread and internal thread nut threaded connection, and the bottom fixedly connected with screw rod of end, the external screw thread has been seted up to the outer wall of screw rod, and the top of internal thread nut has the connecting seat through first internal thread threaded connection, the beneficial effects of the utility model are that: the connecting seat and the internal thread nut are combined and matched for use, so that workers can rotate the connecting seat to rotationally disassemble and assemble the nut conveniently; the bottom end inside the inner screw nut is connected with the outer screw nut through the second inner screw thread, so that the nut is convenient to use under two conditions of compatible inner screw thread and outer screw thread.

Description

Combined nut

Technical Field

The utility model relates to a five metals field specifically is a combination nut.

Background

The nut is a nut, and is screwed together with a bolt or a screw rod to play a role in fastening, and one element which is necessary for all production and manufacturing machines is divided into carbon steel, stainless steel, non-ferrous metal (such as copper) and other types according to different materials.

The nut is widely applied to production life of people as a part of the fastener, the nut and a fastening structure of the nut are locked and loosened through rotation, and the nut needs a corresponding tool to operate when being rotated. When in fact operating the nut, we must use the instrument that corresponds with the nut rotating surface, when lacking the instrument, just can not carry out the rotation operation, current nut usually need carry out the dismouting with the help of external equipment, the work of dismouting nut is not convenient for carry out, and nut formula structure as an organic whole usually, when the connecting device existence that needs the installation was seted up under the two kinds of circumstances of internal thread and external screw thread, the unable compatible use of nut.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination nut to provide the work of being not convenient for carry out the dismouting nut among the solution above-mentioned background art, and current nut does not possess the problem that internal thread and external screw thread compatible use.

In order to achieve the above object, the utility model provides a following technical scheme: the nut comprises a nut body, the nut body comprises interior screw nut, connecting seat and outer screw nut, the inside bottom of interior screw nut has outer screw nut through second internal thread threaded connection, outer screw nut comprises end and screw rod, the outer wall of end passes through second internal thread and interior screw nut threaded connection, the bottom fixedly connected with screw rod of end, the external screw thread has been seted up to the outer wall of screw rod, the top of interior screw nut has the connecting seat through first internal thread threaded connection.

As a further aspect of the present invention: the cavity is formed in the inner screw nut, and a second internal thread is fixedly arranged in the cavity and is convenient to install and fix with the connecting equipment.

As a further aspect of the present invention: the top end of the internal thread nut is provided with a groove, the inner wall of the groove is provided with a first internal thread, the groove is penetrated through the first internal thread, and the diameter of the groove is larger than that of the cavity, so that the installation among the internal thread nut, the connecting equipment and the external thread nut is not influenced.

As a further aspect of the present invention: the bottom mounting of interior silk nut is equipped with the gasket, the avris of gasket bottom is fixed and is equipped with the packing ring, increases and the connecting tightness between the jointing equipment.

As a further aspect of the present invention: the packing ring is made by the rubber material, the fixed surface of interior screw nut is equipped with outer hexagonal face, and the workman of being convenient for rotates interior screw nut, saves the labour.

As a further aspect of the present invention: a plurality of flutings have been seted up to the outer wall of connecting seat, the connecting seat is close to a plurality of slotted corners and all fixes being equipped with the fillet, improves and uses the travelling comfort, makes things convenient for the workman to rotate the connecting seat to carry out dismouting work to the nut.

As a further aspect of the present invention: the diameter of the connecting seat is larger than that of the internal thread nut, and the rubber sleeve is fixedly arranged on the surface of the connecting seat, so that friction force is increased, the connecting seat is favorable for workers to rotate, and the internal thread nut is rotated.

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

1. the utility model discloses in, there is the connecting seat through first internal thread threaded connection on the top through the internal thread nut, and the outer wall of connecting seat has seted up a plurality of flutings, and the connecting seat is close to the equal fixed fillet that is equipped with of a plurality of grooved corners, uses connecting seat and internal thread nut combination are supporting, thereby need not with the help of external equipment, thereby the workman of being convenient for rotates the connecting seat and carries out rotatory dismouting to the nut.

2. The utility model discloses in, by the internal thread nut through the nut body, connecting seat and outer silk nut are constituteed, the inside bottom of internal thread nut has outer silk nut through second internal thread threaded connection, outer silk nut comprises end and screw rod, the outer wall of end passes through second internal thread and internal thread nut threaded connection, when the internal thread is seted up to the jointing equipment that needs the installation, only need match the installation with it with internal thread nut, when the jointing equipment that needs the installation exists and has seted up the external screw thread, with outer silk nut and the supporting use of internal thread nut combination, trun into the external screw thread with the internal thread, thereby increase the compatibility that the nut used.

Drawings

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

FIG. 2 is a schematic structural view of the connection between the female screw nut and the connecting seat and the gasket of the present invention;

fig. 3 is a schematic view of the internal structure of the middle inner screw nut of the present invention.

In the figure: 1. a nut body; 2. an internal thread nut; 3. a connecting seat; 4. an external thread nut; 5. a groove; 6. a first internal thread; 7. a second internal thread; 8. a tip; 9. a screw; 10. a gasket; 11. a gasket; 12. an outer hexagonal surface; 13. grooving; 14. and (4) rounding.

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 work belong to the protection scope of the present invention.

Please refer to fig. 1-3, in the embodiment of the utility model, a combination nut, including nut body 1, nut body 1 is by interior screw nut 2, connecting seat 3 and outer screw nut 4 are constituteed, the inside bottom of interior screw nut 2 has outer screw nut 4 through 7 threaded connection of second internal thread, outer screw nut 4 comprises end 8 and screw rod 9, the outer wall of end 8 passes through 7 and 2 threaded connection of interior screw nut of second internal thread, the bottom fixedly connected with screw rod 9 of end 8, the external screw thread has been seted up to the outer wall of screw rod 9, the selectivity is with outer screw nut 4 and the supporting use of interior screw nut 2 combination, thereby increase the compatibility that nut body 1 used, the top of interior screw nut 2 has connecting seat 3 through 6 threaded connection of first internal thread, need not with the help of external equipment, thereby the workman of being convenient for rotates connecting seat 3 and carries out rotatory dismouting to interior screw nut 2.

A cavity is formed in the inner wire nut 2, and a second internal thread 7 is fixedly arranged in the cavity, so that the inner wire nut and the connecting equipment can be conveniently installed and fixed; the top end of the inner screw nut 2 is provided with a groove 5, the inner wall of the groove 5 is provided with a first internal thread 6, the groove 5 is penetrated through the first internal thread 6, and the diameter of the groove 5 is larger than that of the cavity, so that the installation between the inner screw nut 2 and the connecting equipment and between the outer screw nut 4 is not influenced; a gasket 10 is fixedly arranged at the bottom end of the internal thread nut 2, and a washer 11 is fixedly arranged on the side of the bottom end of the gasket 10, so that the connection tightness between the nut body 1 and the connecting equipment is improved; the washer 11 is made of rubber materials, so that the waterproofness is improved, the outer hexagonal surface 12 is fixedly arranged on the surface of the inner screw nut 2, workers can conveniently rotate the inner screw nut 2, and the labor force is saved; the outer wall of the connecting seat 3 is provided with a plurality of slots 13, and corners of the connecting seat 3 close to the slots 13 are fixedly provided with fillets 14, so that the use comfort is improved, and workers can rotate the connecting seat 3 conveniently, and the nut body 1 can be disassembled and assembled; the diameter of connecting seat 3 is greater than the diameter of interior screw nut 2, and the fixed surface of connecting seat 3 is equipped with the rubber sleeve, increases frictional force, is favorable to the workman to rotate connecting seat 3 to rotatory interior screw nut 2.

The utility model discloses a theory of operation is: when the nut body 1 is used, when connecting equipment to be installed is provided with an internal thread, only the internal screw nut 2 needs to be installed in a matching way with the internal screw nut, firstly, the connecting seat 3 is assembled and installed with the internal screw nut 2 through the first internal thread 6, the connecting seat 3 is rotated to drive the internal screw nut 2 to rotate, because the outer wall of the connecting seat 3 is provided with a plurality of slots 13, the corners of the connecting seat 3 close to the slots 13 are all fixedly provided with fillets 14, the use comfort is improved, workers can rotate the connecting seat 3 conveniently, so that the internal screw nut 2 is installed on the connecting equipment, when the connecting equipment to be installed is provided with an external thread, the external screw nut 4 is assembled and matched with the internal screw nut 2 through the second internal thread 7, the outer wall of the end 8 is in threaded connection with the internal screw nut 2 through the second internal thread 7, the bottom end of the end 8 is fixedly connected with, the internal thread is converted into the external thread, so that the use compatibility of the nut body 1 is improved, the gasket 10 is fixedly arranged at the bottom end of the internal thread nut 2, the gasket 11 is fixedly arranged on the side of the bottom end of the gasket 10, the connection tightness between the nut body 1 and the connecting equipment is improved, and the waterproofness is improved.

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

1. The utility model provides a combination nut, includes nut body (1), its characterized in that: the nut body (1) comprises interior screw nut (2), connecting seat (3) and outer screw nut (4), the inside bottom of interior screw nut (2) has outer screw nut (4) through second internal thread (7) threaded connection, outer screw nut (4) comprises end (8) and screw rod (9), the outer wall of end (8) passes through second internal thread (7) and interior screw nut (2) threaded connection, the bottom fixedly connected with screw rod (9) of end (8), the external screw thread has been seted up to the outer wall of screw rod (9), the top of interior screw nut (2) has connecting seat (3) through first internal thread (6) threaded connection.

2. The composite nut as claimed in claim 1, wherein: the inner screw nut (2) is internally provided with a cavity, and a second internal thread (7) is fixedly arranged in the cavity.

3. The composite nut as claimed in claim 2, wherein: the top end of the internal thread nut (2) is provided with a groove (5), the inner wall of the groove (5) is provided with a first internal thread (6), the groove (5) is penetrated through the first internal thread (6), and the diameter of the groove (5) is larger than that of the cavity.

4. The composite nut as claimed in claim 1, wherein: the bottom mounting of interior silk nut (2) is equipped with gasket (10), the avris of gasket (10) bottom is fixed and is equipped with packing ring (11).

5. The composite nut as claimed in claim 4, wherein: the gasket (11) is made of rubber materials, and an outer hexagonal surface (12) is fixedly arranged on the surface of the inner thread nut (2).

6. The composite nut as claimed in claim 1, wherein: a plurality of flutings (13) have been seted up to the outer wall of connecting seat (3), corner that connecting seat (3) are close to a plurality of flutings (13) all fixedly is equipped with fillet (14).

7. The composite nut as claimed in claim 1, wherein: the diameter of the connecting seat (3) is larger than that of the internal thread nut (2), and a rubber sleeve is fixedly arranged on the surface of the connecting seat (3).