CN219673057U

CN219673057U - Screw rust-proof hexagonal nut

Info

Publication number: CN219673057U
Application number: CN202321099231.3U
Authority: CN
Inventors: 秦建龙
Original assignee: Wenzhou Yongbao Fastener Co ltd
Current assignee: Wenzhou Yongbao Fastener Co ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-09-12
Anticipated expiration: 2033-05-09

Abstract

The utility model provides a screw rust-proof hexagonal nut which comprises a hexagonal nut body, wherein a plurality of total oil injection vertical cavities are uniformly formed in the top of the hexagonal nut body in a circle, and upper circulation transverse oil cavities are formed in the upper parts of one sides, close to each other, of the total oil injection vertical cavities. According to the screw rust-proof hexagonal nut, the upper sealing gap rubber ring and the lower sealing gap rubber ring are matched, so that gaps between the nut and the screw can be effectively shielded, external moisture is prevented from entering the gaps, damage to contact surfaces of the nut and the screw is prevented, lubricating oil can be injected into the threaded gaps through the matching of the total oiling vertical cavity, the upper circulating horizontal oil cavity, the middle circulating horizontal oil cavity and the lower circulating horizontal oil cavity, the hexagonal nut body is prevented from being corroded in the using process, the service life is prolonged, and the outer rust-proof rubber protective sleeve is further used for protecting the outer part of the hexagonal nut body and has a simple structure but strong functionality.

Description

Screw rust-proof hexagonal nut

Technical Field

The utility model relates to the field of hexagonal nuts, in particular to a screw rust-proof hexagonal nut.

Background

Nuts are parts of nuts which are screwed with bolts or screws to play a role in fastening, and all components which are necessary for manufacturing machines are classified into carbon steel, stainless steel, nonferrous metals (such as copper) and the like according to different materials. The nut comprises a hexagonal nut, wherein the type I hexagonal nut is most widely applied, and the type C nut is used for machines, equipment or structures with rough surfaces and low requirements on precision; the class A and class B nuts are used on machines, equipment or structures with smooth surfaces and high requirements on precision. The thickness m of the II-type hexagonal nut is thicker and is mostly used in occasions which often need to be assembled and disassembled. The thickness m of the hexagonal thin nut is thinner and is mostly used in the occasions where the surface space of the connected parts is limited.

The existing screw rust-proof hexagonal nut is characterized in that a gap exists between the screw and the screw after the screw is sleeved with the screw, external moisture can enter the gap, so that the nut is rusted, the contact surface of the nut and the screw is damaged, the nut and the screw are connected unstably, and the rust-proof effect is poor.

Disclosure of Invention

The utility model provides a screw rust-proof hexagonal nut, which solves the problems that after a thread sleeve is arranged outside a screw, a gap exists between the thread sleeve and the screw, and external moisture can enter the gap, so that the nut is rusted, the contact surface of the nut and the screw is damaged, the connection between the nut and the screw is unstable, and the rust-proof effect is poor.

In order to solve the technical problems, the screw rust-proof hexagonal nut comprises a hexagonal nut body, a plurality of total oil injection vertical cavities are uniformly formed in the top of the hexagonal nut body in a circle, upper circulation transverse oil cavities are formed in the upper parts of one sides, which are close to each other, of the total oil injection vertical cavities, middle circulation transverse oil cavities are formed in the middle parts of one sides, which are close to each other, of the total oil injection vertical cavities, lower circulation transverse oil cavities are formed in the lower parts of one sides, which are close to each other, of the total oil injection vertical cavities, an upper sealing gap rubber ring is fixedly arranged at the top of the hexagonal nut body, and a lower sealing gap rubber ring is fixedly arranged at the bottom of the hexagonal nut body.

Preferably, the upper sealing gap rubber ring and the lower sealing gap rubber ring have the same structure, and are in an up-down symmetrical state.

Preferably, the outer cover of hexagonal nut body is equipped with outer rust-resistant rubber protective sheath, the even fixed a plurality of protruding sealing rubber cork that are provided with of inner chamber top round of outer rust-resistant rubber protective sheath.

Preferably, the number of the convex sealing rubber plugs is the same as the number of the total oiling vertical cavities.

Preferably, a plurality of the convex sealing rubber plugs respectively penetrate through the top of the corresponding total oiling vertical cavity.

Preferably, the inner diameters of the upper circulation transverse oil cavity, the middle circulation transverse oil cavity and the lower circulation transverse oil cavity are the same.

Compared with the related art, the screw corrosion-resistant hexagonal nut provided by the utility model has the following beneficial effects:

the utility model provides a screw rust-proof hexagonal nut, which can effectively shield a gap between a nut and a screw through the mutual matching of an upper sealing gap rubber ring and a lower sealing gap rubber ring, prevent external moisture from entering the gap, prevent the contact surface of the nut and the screw from being damaged, and can inject lubricating oil into a thread gap through the mutual matching among a total oiling vertical cavity, an upper circulating horizontal oil cavity, a middle circulating horizontal oil cavity and a lower circulating horizontal oil cavity, so that the hexagonal nut body can not be corroded in the using process, the service life is prolonged, and the outer rust-proof rubber protective sleeve further protects the outside of the hexagonal nut body, and has a simple structure but strong functionality.

Drawings

FIG. 1 is a schematic view of a preferred embodiment of a screw anti-rust hex nut according to the present utility model;

FIG. 2 is a cross-sectional view of the device shown in FIG. 1;

fig. 3 is a top view of the hex nut body of fig. 1.

Reference numerals in the drawings: 1. the hexagonal nut body, 2, the vertical chamber of total oil injection, 3, go up the horizontal oil pocket of circulation, 4, well circulation horizontal oil pocket, 5, the horizontal oil pocket of circulation down, 6, go up sealing gap rubber ring, 7, sealing gap rubber ring down, 8, outer rust-resistant rubber protective sheath, 9, protruding sealing rubber cork.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2, and fig. 3 in combination, fig. 1 is a schematic structural view of a preferred embodiment of a screw anti-rust hexagonal nut according to the present utility model; FIG. 2 is a cross-sectional view of the device shown in FIG. 1; fig. 3 is a top view of the hex nut body of fig. 1.

The utility model provides a screw rust-resistant hexagon nut, including hexagon nut body 1, a plurality of total oiling vertical chamber 2 have evenly been seted up at the top round of hexagon nut body 1, a plurality of total oiling vertical chamber 2 all have been seted up on the lateral oil chamber 3 of circulation on one side upper portion that is close to each other, a plurality of total oiling vertical chamber 2 all have been seted up in the lateral oil chamber 4 of circulation in one side middle part that is close to each other, a plurality of total oiling vertical chamber 2 all have been seted up on lateral oil chamber 5 of circulation down on one side lower part that is close to each other, the fixed sealing gap rubber ring 6 that is provided with in top of hexagon nut body 1, the fixed sealing gap rubber ring 7 that is provided with down in bottom of hexagon nut body 1.

The upper sealing gap rubber ring 6 and the lower sealing gap rubber ring 7 have the same structure, and the upper sealing gap rubber ring 6 and the lower sealing gap rubber ring 7 are in an up-down symmetrical state.

The outer cover of hexagon nut body 1 is equipped with outer rust-resistant rubber protective sheath 8, and the inner chamber top round of outer rust-resistant rubber protective sheath 8 is evenly fixed and is provided with a plurality of protruding sealing rubber cork 9.

The number of the plurality of the convex sealing rubber plugs 9 is the same as that of the plurality of the total oiling vertical cavities 2, and the plurality of the convex sealing rubber plugs 9 respectively penetrate through the tops of the corresponding total oiling vertical cavities 2.

The inner diameters of the upper circulation transverse oil cavity 3, the middle circulation transverse oil cavity 4 and the lower circulation transverse oil cavity 5 are the same.

The working principle of the screw corrosion-resistant hexagonal nut provided by the utility model is as follows:

screwing the hexagonal nut body 1 on the outside of the screw rod, screwing the hexagonal nut body to the appointed position, dripping lubricating oil into each total oiling vertical cavity 2, enabling the lubricating oil to freely fall under the action of self gravity, enabling the lubricating oil to flow into a threaded gap through an upper flowing transverse oil cavity 3, a middle flowing transverse oil cavity 4 and a lower flowing transverse oil cavity 5, lubricating the contact surface of the hexagonal nut body 1 and the screw rod, shielding the gap between the hexagonal nut body 1 and the screw rod by an upper sealing gap rubber ring 6 and a lower sealing gap rubber ring 7, isolating outside moisture, sleeving an outer antirust rubber protective sleeve 8 on the outside of the hexagonal nut body 1, enabling each protruding sealing rubber cork 9 to be inserted into the top of each total oiling vertical cavity 2, and sealing the top of the total oiling vertical cavity 2.

through the mutually supporting of last sealing gap rubber ring 6 and lower sealing gap rubber ring 7, can effectively shelter from the gap between nut and the screw rod, avoid outside moisture to get into in the gap, prevent that the contact surface of nut and screw rod from breaking, through the mutual supporting between perpendicular chamber of total oiling 2, go up the horizontal oil pocket 3 of circulation, well circulation horizontal oil pocket 4 and the horizontal oil pocket 5 of circulation down, can pour into lubricating oil into the screw gap in, make hexagonal nut body 1 also can not take place the corrosion in the in-process of using, increase of service life, the setting of outer rust-resistant rubber protective sleeve 8 further protects the outside of hexagonal nut body 1, moreover, the steam generator is simple in structure but functional strong.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. The utility model provides a screw rust-resistant hexagon nut, includes hexagon nut body (1), its characterized in that, a plurality of total oiling vertical cavity (2) have evenly been seted up to the top round of hexagon nut body (1), a plurality of the lateral oil chamber (3) of upper circulation has all been seted up on one side upper portion that total oiling vertical cavity (2) are close to each other, a plurality of the lateral oil chamber (4) of well circulation has all been seted up in one side middle part that total oiling vertical cavity (2) are close to each other, a plurality of lateral oil chamber (5) of lower circulation has all been seted up to one side lower part that total oiling vertical cavity (2) are close to each other, seal gap rubber ring (6) are fixed to be provided with at the top of hexagon nut body (1), seal gap rubber ring (7) down are fixed to be provided with in the bottom of hexagon nut body (1).

2. The screw rust-proof hexagonal nut according to claim 1, wherein the upper sealing slit rubber ring (6) and the lower sealing slit rubber ring (7) are identical in structure, and the upper sealing slit rubber ring (6) and the lower sealing slit rubber ring (7) are in an up-down symmetrical state.

3. The screw anti-rust hexagonal nut according to claim 1, wherein an outer anti-rust rubber protection sleeve (8) is sleeved outside the hexagonal nut body (1), and a plurality of raised sealing rubber soft plugs (9) are uniformly and fixedly arranged on the top of an inner cavity of the outer anti-rust rubber protection sleeve (8).

4. A screw anti-rust hexagonal nut according to claim 3, characterized in that the number of raised sealing rubber plugs (9) is the same as the number of total oil injection vertical cavities (2).

5. A screw anti-rust hexagonal nut according to claim 3, characterized in that a number of said raised sealing rubber plugs (9) extend through the top of the respective total oil injection vertical cavity (2) respectively.

6. The screw anti-rust hexagonal nut according to claim 1, wherein the inner diameters of the upper, middle and lower flow-through lateral oil chambers (3, 4, 5) are the same.