Anti-corrosion bolt of elevator

Abstract

The anti-corrosion bolt comprises a supporting device used for limiting, the top of the inner end face of the supporting device is in threaded connection with a locking device, the inner end face of the supporting device is slidably connected with an oil absorption cotton column in a clamped mode, and oil absorption cotton swabs are arranged on the side end face of the oil absorption cotton column at equal intervals. And a connecting rotating plate is fixedly mounted at the center of the upper end face of the oil absorption cotton column, and a limiting rotating groove is formed in the center of the upper end face of the connecting rotating plate. According to the anti-rust bolt, the locking device and the supporting device are arranged, when anti-rust operation is conducted on the outside of the bolt shell, the oil absorption cotton column can guide adsorbed anti-rust oil out of the oil guide hole through the multiple sets of oil absorption cotton swabs, the anti-rust oil can be gradually collected on the outside of the bolt shell, and therefore the anti-rust performance of the bolt shell body is effectively improved, and the service life of the anti-rust bolt is prolonged. And meanwhile, the oil absorption cotton swab is combined with the oil guide hole, so that oil blockage during follow-up butt joint can be prevented, and the rust-proof stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator accessories and equipment, in particular to an anti-corrosion bolt of an elevator. Background Art

[0002] When installing an elevator, it needs to be fixed with bolts to improve the stability of the subsequent operation of the elevator. The existing elevator installation environment is mostly dark, especially underground elevators, so anti-corrosion bolts are indispensable. It can improve the anti-corrosion performance of the bolts and improve the safety of elevator installation.

[0003] For example, the utility model patent disclosed in the publication number is CN218509934U, and the anti-corrosion elevator bolt includes a bolt head and a screw rod, the bolt head and the screw rod are fixedly connected, a through groove is provided at the top of the bolt head, an oil injection groove is provided in the middle of the screw rod, and a pressing mechanism is provided in the inner cavity of the through groove, and the pressing mechanism includes a pressing plate, a pressing block, a compression spring, a connecting rod and oil-absorbing cotton, the pressing block is fixedly connected to the top of the pressing plate, the connecting rod is fixedly connected to the bottom end of the inner wall of the through groove, the pressing plate and the pressing block are both slidably interlaced with the connecting rod, the compression spring is sleeved on the outside of the connecting rod, the oil-absorbing cotton is located in the inner cavity of the through groove, and a connecting groove is provided at the bottom end of the inner wall of the through groove, and the connecting groove is communicated with the oil injection groove. The utility model utilizes the arrangement mode of matching the pressing plate, the pressing block, the compression spring, the connecting rod and the oil-absorbing cotton, and by pressing the pressing block, the pressing block drives the pressing plate to slide downward under the action of the connecting rod, and squeezes the oil-absorbing cotton, so as to achieve comprehensive lubrication and rust prevention of the screw rod, and can effectively prevent rust.

[0004] Although the above-mentioned bolts have a certain anti-corrosion function, they only drain the oil through the oil-absorbing cotton placed inside the bolts. After long-term use, the oil outlet holes may be clogged, affecting the subsequent anti-rust performance of the bolts. Therefore, an anti-corrosion bolt for an elevator is urgently needed to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide an anti-corrosion bolt for an elevator to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-corrosion bolt of an elevator, comprising a supporting device for limiting position, a locking device being threadedly connected to the top of the inner end surface of the supporting device, an oil-absorbing cotton column being slidably clamped on the inner end surface of the supporting device, and oil-absorbing cotton sticks are equidistantly arranged on the side end surfaces of the oil-absorbing cotton column, a connecting rotating plate is fixedly installed at the center of the upper end surface of the oil-absorbing cotton column, and a limiting rotating groove is provided at the center of the upper end surface of the connecting rotating plate.

[0007] Preferably, the locking device comprises an internal hexagonal threaded shaft, an inner end surface of the internal hexagonal threaded shaft is provided with six groups of oil filling holes at equal intervals, and a limit rotation plate is fixedly provided at the center of the lower end surface of the internal hexagonal threaded shaft.

[0008] Preferably, the supporting device includes a bolt housing, an oil guide cavity is opened at the center of the inner end surface of the bolt housing, and an oil guide hole is opened on the side end surface of the bolt housing and passes through the oil guide cavity, and a threaded rotating cylinder is fixedly arranged at the center of the upper end surface of the bolt housing.

[0009] Preferably, the oil-absorbing cotton column passes through the oil guide cavity and is then slidably engaged in the interior of the bolt housing, and the diameter of the connecting rotating plate is smaller than the diameter of the locking device, so as to facilitate the subsequent rapid addition of oil.

[0010] Preferably, the oil-absorbing cotton swab passes through the oil guide hole and is slidably engaged with the interior of the bolt housing. The sliding connection between the oil-absorbing cotton swab and the oil guide hole can prevent subsequent blockage of the oil guide hole.

[0011] Preferably, the height of the oil-absorbing cotton column is slightly higher than the top end surface of the bolt housing, and the oil filling hole is directly opposite to the gap between the connecting rotating plate and the threaded rotating cylinder, which can facilitate the subsequent rapid addition of oil.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model provides a locking device and a supporting device. When the outside of the bolt shell is subjected to rust prevention operation, the oil-absorbing cotton column can guide the absorbed anti-rust oil out of the oil guide hole through multiple groups of oil-absorbing cotton swabs, so that the anti-rust oil can be gradually collected outside the bolt shell, thereby effectively improving the anti-rust performance of the bolt shell body. At the same time, the combination of the oil-absorbing cotton swab and the oil guide hole can also prevent the oil from being blocked during subsequent docking, thereby improving the anti-rust stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a disassembled diagram of the main body of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the main body of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the locking device of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the support device of the utility model.

[0018] In the figure: 1-locking device, 2-connecting rotating plate, 3-oil absorbing cotton column, 4-oil absorbing cotton stick, 5-supporting device, 6-limit rotating groove, 11-hexagonal threaded shaft, 12-limit rotating plate, 13-oil filling hole, 51-oil guide hole, 52-bolt housing, 53-oil guide chamber, 54-threaded rotating cylinder. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides an embodiment: an anti-corrosion bolt of an elevator, comprising a supporting device 5 for limiting position, a locking device 1 is threadedly connected to the top of the inner end surface of the supporting device 5, an oil-absorbing cotton column 3 is slidably clamped on the inner end surface of the supporting device 5, and oil-absorbing cotton sticks 4 are equidistantly arranged on the side end surface of the oil-absorbing cotton column 3, a connecting rotating plate 2 is fixedly installed at the center of the upper end surface of the oil-absorbing cotton column 3, and a limiting rotating groove 6 is provided at the center of the upper end surface of the connecting rotating plate 2.

[0021] The locking device 1 comprises an inner hexagonal threaded shaft 11 , an inner end surface of which is provided with six groups of oil injection holes 13 at equal intervals, and a limit rotating plate 12 is fixedly provided at the center of the lower end surface of the inner hexagonal threaded shaft 11 .

[0022] The supporting device 5 includes a bolt housing 52 , an oil guide cavity 53 is provided at the center of the inner end surface of the bolt housing 52 , an oil guide hole 51 is provided on the side end surface of the bolt housing 52 and passes through the oil guide cavity 53 , and a threaded rotating cylinder 54 is fixedly provided at the center of the upper end surface of the bolt housing 52 .

[0023] The oil-absorbing cotton column 3 is slidably engaged in the bolt housing 52 through the oil guide cavity 53 , and the diameter of the connecting rotating plate 2 is smaller than the diameter of the locking device 1 , so that the subsequent rapid addition of oil is convenient.

[0024] The oil-absorbing cotton swab 4 is slidably connected with the inside of the bolt housing 52 through the oil guide hole 51 . The sliding connection between the oil-absorbing cotton swab 4 and the oil guide hole 51 can prevent the subsequent oil guide hole 51 from being blocked.

[0025] The height of the oil-absorbing cotton column 3 is slightly higher than the top end surface of the bolt housing 52, and the oil filling hole 13 is directly opposite to the gap between the connecting rotating plate 2 and the threaded rotating cylinder 54, which can facilitate the subsequent rapid addition of oil.

[0026] Working principle: When in use, the user can introduce the anti-rust oil into the threaded cylinder 54 through the oil filling hole 13, and then the oil can flow into the oil-absorbing cotton column 3 through the cavity gap connecting the rotating plate 2 and the threaded cylinder 54. The oil-absorbing cotton column 3 can use multiple groups of oil-absorbing cotton sticks 4 to introduce the oil through the oil guide hole 51 to the outside of the bolt housing 52 for rust prevention operations. At the same time, the user can use an external tool to rotate the hexagonal threaded shaft 11, so that the hexagonal threaded shaft 11 can be connected to the threaded cylinder 54 through the thread, and then the oil-absorbing cotton column 3 can be brought out synchronously, which is convenient for the elimination of the oil-absorbing cotton column 3 to be exported and replaced.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-corrosion bolt for an elevator, comprising a support device (5) for limiting position, wherein the top of the inner end surface of the support device (5) is threadedly connected with a locking device (1), characterized in that: The inner end surface of the support device (5) is slidably engaged with an oil-absorbing cotton column (3), and oil-absorbing cotton sticks (4) are equidistantly arranged on the side end surface of the oil-absorbing cotton column (3). A connecting rotating plate (2) is fixedly installed at the center of the upper end surface of the oil-absorbing cotton column (3), and a limited rotation groove (6) is provided at the center of the upper end surface of the connecting rotating plate (2).

2. The anti-corrosion bolt of an elevator according to claim 1, characterized in that: The locking device (1) comprises a hexagonal threaded shaft (11), the inner end surface of the hexagonal threaded shaft (11) is provided with six groups of oil injection holes (13) at equal intervals, and a limit rotation plate (12) is fixedly arranged at the center of the lower end surface of the hexagonal threaded shaft (11).

3. The anti-corrosion bolt of an elevator according to claim 2, characterized in that: The support device (5) comprises a bolt housing (52), an oil guide cavity (53) is provided at the center of the inner end surface of the bolt housing (52), an oil guide hole (51) is provided on the side end surface of the bolt housing (52) and passes through the oil guide cavity (53), and a threaded rotating cylinder (54) is fixedly provided at the center of the upper end surface of the bolt housing (52).

4. The anti-corrosion bolt of an elevator according to claim 3, characterized in that: The oil-absorbing cotton column (3) passes through the oil guide cavity (53) and is then slidably engaged in the interior of the bolt housing (52), and the diameter of the connecting rotating plate (2) is smaller than the diameter of the locking device (1).

5. The anti-corrosion bolt of an elevator according to claim 3, characterized in that: The oil-absorbing cotton stick (4) passes through the oil guide hole (51) and is then slidably engaged with the interior of the bolt housing (52).

6. The anti-corrosion bolt of an elevator according to claim 4, characterized in that: The height of the oil-absorbing cotton column (3) is slightly higher than the top end surface of the bolt housing (52), and the oil injection hole (13) is directly opposite to the gap between the connecting rotating plate (2) and the threaded rotating cylinder (54).

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