CN218934968U

CN218934968U - Rust-resistant bolt

Info

Publication number: CN218934968U
Application number: CN202320022127.8U
Authority: CN
Inventors: 林景荣
Original assignee: Wenzhou Ruichuang Fastener Manufacturing Co ltd
Current assignee: Wenzhou Ruichuang Fastener Manufacturing Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-04-28
Anticipated expiration: 2033-01-05

Abstract

The utility model belongs to the field of bolt fasteners, and particularly relates to a rust-proof bolt, which comprises: the lower end of the screw is provided with a connecting thread, and the screw also comprises a vent hole and a channel which are communicated; the bolt head comprises a cavity, a through hole and a second notch; the cap is in threaded connection with the cavity and further comprises a plug-in groove, a fixing part and a first notch; the water absorbing strip is hollow and filled with water absorbing materials, is inserted into the channel and further comprises water absorbing holes, raised strips and positioning parts; a protective cover; the sealing gasket has the beneficial effects that: when the bolt is in a fastening state, the air around the bolt contains moisture, and the moisture can enter the channel through the air holes and then is absorbed by the water absorbing strip, so that the drying of the surrounding environment of the bolt is kept, the rusting speed of the bolt can be greatly slowed down, the fastening effect of the bolt and other equipment is ensured, and safety accidents are avoided.

Description

Rust-resistant bolt

Technical Field

The utility model belongs to the field of bolt fasteners, and particularly relates to a rust-proof bolt.

Background

The bolt is a fastener consisting of a head part and a screw rod, and is matched with the nut for use, and is used for fastening and connecting two parts with through holes.

When the existing bolt is in a wet environment for a long time, the problem that the bolt is easy to rust is solved, the appearance is affected, the bolt is broken and loosened due to corrosion, the property safety is endangered, the bolt is also caused to fall off when the equipment is maintained and detached, a major safety accident is caused, and the bolt connection fatigue life is greatly shortened due to the fact that the loosening pretightening force of the bolt is reduced.

Disclosure of Invention

The utility model aims at solving the technical problems and provides a rust-proof bolt which achieves the effect of improving the rust resistance.

In view of this, the present utility model provides a rust-proof bolt, characterized by comprising:

the lower end of the screw is provided with a connecting thread, the connecting thread is provided with an air hole, a channel is penetrated in the middle of the screw, and the air hole is communicated with the channel;

the lower end of the bolt head is connected with the upper end of the screw rod, a cavity is arranged in the bolt head, a through hole is formed in the bottom surface of the cavity, and the through hole is communicated with the channel;

the cap is in threaded connection with the cavity in the bolt head, and the lower end of the cap is connected with a water absorbing strip;

and the water absorbing strip is inserted into the channel.

In this technical scheme, rust-resistant bolt's screw rod and bolt head are as an organic whole made up, the upper end of screw rod is connected as an organic wholely with the lower extreme of bolt head, be provided with the connecting thread on the side of screw rod lower extreme, the connecting thread can be used for the connection and the fastening of bumper shock absorber and other auto parts, is equipped with at least one bleeder vent on the connecting thread, the bleeder vent runs through the screw rod with the radial direction of screw rod as the direction, still run through the passageway in the axial direction in the screw rod, the bleeder vent communicates with each other with the passageway, be equipped with the cavity in the bolt head, the cavity bottom surface is provided with the through-hole, the through-hole communicates with each other with the passageway, be threaded connection between the cavity in cap and the bolt head, the lower extreme of cap is connected with the strip that absorbs water, the strip that absorbs water inserts in the passageway from the through-hole after inserting, then when the bolt is in the fastening state, contains moisture in the air around the bolt, and these moisture can get into the passageway through the bleeder vent, then by the strip absorption, keep the drying of bolt surrounding environment to slow down the bolt rusty speed greatly, guarantee the fastening effect of bolt and other equipment.

In the above technical scheme, further characterized in that the water absorbing strip is hollow and filled with water absorbing material, and the side surface of the water absorbing strip is also provided with water absorbing holes.

In the technical scheme, the water absorbing strip is hollow and is filled with water absorbing materials, at least one water absorbing hole is further formed in the side face of the water absorbing strip, and if the air around the bolt contains moisture, the moisture can be absorbed by the water absorbing materials in the water absorbing strip through the water absorbing holes, so that the environment around the bolt is kept dry.

In the above technical solution, further, the method further includes:

and the protective cover is sleeved on the bolt head.

In the technical scheme, the protective cover is sleeved on the bolt head, so that the rust-proof bolt can be prevented from being splashed by water, and the bolt head can be prevented from being worn.

In the above technical solution, further, the method further includes:

and the sealing gasket is arranged at the joint of the screw rod and the bolt head.

In the technical scheme, the sealing gasket is arranged at the joint of the screw rod and the bolt head, namely, when the rust-proof bolt is in a fastening state, the sealing gasket can prevent moisture outside the bolt fastening part from entering, so that the moisture content in the air around the bolt fastening part is reduced, the drying of the air around the bolt fastening part is kept, and the rust speed of the bolt is slowed down.

In the above technical solution, further characterized in that the cap further includes:

the first notch is arranged on the upper end face of the cap.

In this technical scheme, first notch sets up on the up end of cap, and first notch can be used for installing or dismantle the cap, then can replace the strip that absorbs water that is connected with the cap after the cap is dismantled, keeps the drying of bolt fastening part surrounding air, slows down the rusty speed of bolt.

In the above technical solution, further characterized in that the bolt head further includes:

the second notch is arranged on the upper end face of the bolt head, and the width of the second notch is the same as that of the first notch.

In this technical scheme, the second notch sets up on the up end of bolt head, and the width of second notch is the same with the width of first notch, then has wearing and tearing when bolt head side, when can't twist out rust-resistant bolt with the instrument through the bolt head, then can unscrew the bolt head with the joint part that the instrument formed after aligning through first notch and second notch, with the bolt.

In the above technical solution, further, the method further includes:

the two plugging grooves are symmetrically arranged on the lower end face of the cap;

the fixing part is communicated with the inserting groove;

the two convex strips are symmetrically arranged at one end of the water absorption strip, and are inserted into the inserting grooves;

and the positioning part is connected with the convex strips and is jointed with the fixing part.

In this technical scheme, the spliced groove has two and symmetry to be seted up on the lower terminal surface of cap, and fixed part is linked together with the spliced groove, the sand grip has two and symmetry to set up on the one end of water absorption strip, and the sand grip can correspond to insert the spliced groove, and the sand grip front end still has the location portion, then can rotate into the fixed part with the location portion through rotatory water absorption strip to fix the water absorption strip at the cap lower extreme, the water absorption strip can not drop, when replacing the water absorption strip in addition, after dismantling the cap, because water absorption strip links to each other with the cap, water absorption strip and cap are taken out together, then reverse rotation rotates out the location portion from the fixed part just can take out the water absorption strip.

The beneficial effects of the utility model are as follows:

1. when the bolt is in a fastening state, the air around the bolt contains moisture, and the moisture can enter the channel through the air holes and then is absorbed by the water absorbing strip to keep the surrounding environment of the bolt dry, so that the rusting speed of the bolt can be greatly slowed down, the fastening effect of the bolt and other equipment is ensured, and safety accidents are avoided;

2. when the side face of the bolt head is worn and the rust-proof bolt cannot be screwed out through the bolt head by using a tool, the bolt head can be unscrewed by using a joint part formed by aligning the first notch and the second notch by using the tool, and the bolt is screwed out.

3. The convex strip of the water absorption strip can be correspondingly inserted into the inserting groove, the positioning part is arranged at the front end of the convex strip, the positioning part can be rotated into the fixing part through rotating the water absorption strip, so that the water absorption strip is fixed at the lower end of the cap, the water absorption strip cannot fall off, when the water absorption strip is replaced, after the cap is detached, the water absorption strip is connected with the cap, the water absorption strip and the cap are taken out together, and then the positioning part is rotated out of the fixing part through reverse rotation, so that the water absorption strip can be taken out.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a perspective view of the present utility model;

FIG. 5 is a perspective view of a cap and a wicking strip;

FIG. 6 is a schematic diagram of example 6;

the reference numerals in the drawings are:

10. a screw; 11. a connecting thread; 12. ventilation holes; 13. a channel; 20. a bolt head; 21. a chamber; 22. a through hole; 23. a second notch; 30. a cap; 31. a first notch; 32. a plug-in groove; 33. a fixing part; 40. a water absorbing strip; 41. a water absorbing material; 42. a water suction hole; 43. a convex strip; 44. a positioning part; 50. a protective cover; 60; and a sealing gasket.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. In addition, in the specification and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an or relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in this application, 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. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

the embodiment provides a rust-resistant bolt, includes:

the screw rod 10, the lower extreme of said screw rod 10 has connecting screw threads 11, there are air vents 12 on the said connecting screw threads 11, there are channels 13 in the middle of the said screw rod 10, the air vent 12 communicates with channel 13;

the lower end of the bolt head 20 is connected with the upper end of the screw rod 10, a cavity 21 is arranged in the bolt head 20, a through hole 22 is arranged on the bottom surface of the cavity 21, and the through hole 22 is communicated with the channel 13;

a cap 30, wherein the cap 30 is in threaded connection with the cavity 21 in the bolt head 20, and the lower end of the cap 30 is connected with a water absorbing strip 40;

a water absorbing strip 40, said water absorbing strip 40 being inserted in the channel 13.

In this embodiment, the screw 10 and the bolt head 20 of the anti-rust bolt are integrally combined, the upper end of the screw 10 is integrally connected with the lower end of the bolt head 20, a connecting thread 11 is provided on the side surface of the lower end of the screw 10, the connecting thread 11 can be used for connecting and fastening a shock absorber with other air fittings, at least one ventilation hole 12 is provided on the connecting thread 11, the ventilation hole 12 penetrates the screw 10 in the radial direction of the screw 10, a channel 13 is also penetrated in the axial direction of the screw 10, the ventilation hole 12 is communicated with the channel 13, a cavity 21 is provided in the bolt head 20, a through hole 22 is provided on the bottom surface of the cavity 21, the through hole 22 is communicated with the channel 13, a threaded connection is provided between the cap 30 and the cavity 21 in the bolt head 20, a water absorbing strip 40 is connected to the lower end of the cap 30, and when the bolt is in a fastened state after the through hole 22 is inserted into the channel 13, the water is contained in the air around the bolt, and can enter the channel 13 through the ventilation hole 12, and then be absorbed by the ventilation hole 12, and the water absorbing strip 40 in the radial direction, thus the drying environment is kept, the big rust of the bolt can be avoided, and the safety of other devices can be fastened.

Example 2:

the present embodiment provides a rust-proof bolt having the following technical features in addition to the technical scheme including the above embodiment.

Further, the water absorbing strip 40 is hollow and is filled with a water absorbing material 41, and water absorbing holes 42 are further formed in the side surface of the water absorbing strip 40.

In this embodiment, the water absorbing strip 40 is hollow and is filled with a water absorbing material 41, and at least one water absorbing hole 42 is further formed on the side surface of the water absorbing strip 40, and if the air around the bolt contains moisture, the moisture can be absorbed by the water absorbing material 41 in the water absorbing strip 40 through the water absorbing hole 42, so that the environment around the bolt is kept dry.

Example 3:

Further, the method further comprises the following steps:

and the protective cover 50 is sleeved on the bolt head 20.

In this embodiment, the protective cover 50 is sleeved on the bolt head 20, so that the rust-proof bolt can be prevented from being splashed by water, and the bolt head 20 can be prevented from being worn.

Example 4:

Further, the method further comprises the following steps:

a sealing washer 60, said sealing washer 60 being arranged at the junction of the screw 10 and the bolt head 20.

In this embodiment, the sealing washer 60 is disposed at the joint of the screw 10 and the bolt head 20, that is, when the anti-rust bolt is in a fastened state, the sealing washer 60 can prevent moisture outside the bolt fastening portion from entering, thereby reducing the moisture content in the air around the bolt fastening portion, keeping the air around the bolt fastening portion dry, and slowing down the rust speed of the bolt.

Example 5:

Further, the cap 30 further includes:

a first notch 31, the first notch 31 being provided on the upper end face of the cap 30.

In this embodiment, the first notch 31 is provided on the upper end surface of the cap 30, the first notch 31 can be used for installing or detaching the cap 30, and the water absorbing strip 40 connected with the cap 30 can be replaced after detaching the cap 30, so that the air around the fastening portion of the bolt is kept dry, and the rusting speed of the bolt is reduced.

Example 6:

Further, the bolt head 20 further includes:

and a second notch 23, wherein the second notch 23 is arranged on the upper end surface of the bolt head 20, and the width of the second notch 23 is the same as that of the first notch 31.

In this embodiment, the second notch 23 is disposed on the upper end surface of the bolt head 20, and the width of the second notch 23 is the same as the width of the first notch 31, so when the side surface of the bolt head 20 is worn and the rust-proof bolt cannot be screwed out by a tool through the bolt head 20, the bolt head 20 can be unscrewed by a tool through the joint portion formed after the alignment of the first notch 31 and the second notch 23.

Example 7:

Further, the method further comprises the following steps:

the plug-in grooves 32 are two and symmetrically arranged on the lower end surface of the cap 30;

a fixing portion 33, wherein the fixing portion 33 is communicated with the inserting groove 32;

two protruding strips 43 are symmetrically arranged on one end of the water absorbing strip 40, and the protruding strips 43 are inserted into the inserting grooves 32;

and a positioning portion 44, wherein the positioning portion 44 is connected to the protruding strip 43, and the positioning portion 44 is engaged with the fixing portion 33.

In this embodiment, two insertion grooves 32 are symmetrically arranged on the lower end surface of the cap 30, the fixing portion 33 is communicated with the insertion groove 32, two protruding bars 43 are symmetrically arranged on one end of the water absorbing strip 40, the protruding bars 43 can be correspondingly inserted into the insertion groove 32, the positioning portions 44 are arranged at the front ends of the protruding bars 43, the positioning portions 44 can be rotated into the fixing portion 33 by rotating the water absorbing strip 40, so that the water absorbing strip 40 is fixed at the lower end of the cap 30, the water absorbing strip 40 cannot fall off, when the water absorbing strip 40 is replaced, after the cap 30 is detached, the water absorbing strip 40 and the cap 30 are taken out together due to the fact that the water absorbing strip 40 is connected with the cap 30, and then the positioning portions 44 are rotated out of the fixing portion 33 in a reverse rotation mode.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims

1. A rust-resistant bolt, comprising:

the screw rod (10), the lower extreme of screw rod (10) is equipped with connecting screw thread (11), be equipped with bleeder vent (12) on connecting screw thread (11), run through in the middle of screw rod (10) has passageway (13), bleeder vent (12) communicate with each other with passageway (13);

the screw bolt comprises a screw bolt head (20), wherein the lower end of the screw bolt head (20) is connected with the upper end of a screw bolt (10), a cavity (21) is arranged in the screw bolt head (20), a through hole (22) is formed in the bottom surface of the cavity (21), and the through hole (22) is communicated with a channel (13);

the cap (30) is in threaded connection with the cavity (21) in the bolt head (20), and the lower end of the cap (30) is connected with a water absorption strip (40);

a water absorbing strip (40), wherein the water absorbing strip (40) is inserted into the channel (13).

2. A rust-resistant bolt according to claim 1, characterized in that the water absorbing strip (40) is hollow and filled with water absorbing material (41), the side of the water absorbing strip (40) being further provided with water absorbing holes (42).

3. A rust-resistant bolt as set forth in claim 1 further comprising:

and the protective cover (50) is sleeved on the bolt head (20).

4. A rust-resistant bolt as set forth in claim 1 further comprising:

and a sealing gasket (60), wherein the sealing gasket (60) is arranged at the joint of the screw (10) and the bolt head (20).

5. A rust-resistant bolt according to claim 1, wherein the cap (30) further comprises:

the first notch (31) is arranged on the upper end face of the cap (30).

6. A rust-resistant bolt according to claim 5, wherein the bolt head (20) further comprises:

and the second notch (23) is arranged on the upper end face of the bolt head (20), and the width of the second notch (23) is the same as that of the first notch (31).

7. A rust-resistant bolt as set forth in claim 1 further comprising:

the plug-in grooves (32) are formed in two and symmetrically arranged on the lower end face of the cap (30);

a fixing part (33), wherein the fixing part (33) is communicated with the inserting groove (32);

the two raised strips (43) are symmetrically arranged at one end of the water absorbing strip (40), and the raised strips (43) are inserted into the inserting grooves (32);

and a positioning part (44), wherein the positioning part (44) is connected with the convex strip (43), and the positioning part (44) is jointed with the fixed part (33).