Dustproof cover for tightening bearing

Abstract

The utility model discloses a screw tightening bearing dust cover which comprises a dust cover body, a screw tightening ring is arranged in the center of the top end of the dust cover body, the plane where the inner wall of the screw tightening ring is located is coplanar with the plane where the inner wall of the dust cover body is located, a plurality of screw tightening structures are arranged on the outer wall of the screw tightening ring, and the included angle between every two adjacent screw tightening structures is 90 degrees. A through hole is formed in the center inside the wire tightening ring, the two ends of the through hole extend to the outside of the wire tightening ring, an inner rounded corner end is arranged on the inner wall of the upper end of the wire tightening ring, an outer rounded corner end is arranged on the outer wall of the upper end of the wire tightening ring, the dustproof cover body comprises a dustproof cover outer layer, and the dustproof cover outer layer is arranged at the upper end inside the dustproof cover body. According to the dustproof cover, the phenomena of corrosion, abrasion and the like of the dustproof cover body can be effectively reduced, so that the service life of the dustproof cover is prolonged, the purpose that the dustproof cover can be easily and efficiently installed is achieved, the safety of the dustproof cover in use is improved, and the comfort when the hands of a person make contact with the dustproof cover is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing protection technical field, concretely is a kind of tight silk bearing dust cover. BACKGROUND

[0002] As important components in mechanical equipment, the running stability and service life of bearings are directly affected by external environment, especially the invasion of dust, sand and other impurities, which can cause internal wear of bearings to intensify, and even cause failure. In order to reduce such phenomenon, the corresponding bearing dust cover needs to be used.

[0003] Referring to the announcement No. CN212377126U bearing dust cover, it includes annularly arranged dust cover body, the outer circumferential surface of the dust cover body is provided with a flange, the flange is composed of a plurality of pressure relief edges, the pressure relief groove is formed between the adjacent two pressure relief edges, the inner circumferential surface of the dust cover body is provided with a rubber edge, the dust cover body is provided with an arc-shaped protrusion, the arc-shaped protrusion is provided with a reinforcing rib, the setting of the rubber edge has good sealing effect, which can effectively prevent impurities from entering the bearing interior; the setting of the pressure relief groove can prevent the dust cover from being damaged due to excessive tightness during installation; the setting of the arc-shaped protrusion and the reinforcing rib can prevent thermal expansion deformation during work, prolong the service life, according to the above, the bearing dust cover can be better applied, but the corrosion resistance, temperature resistance and rigidity of the bearing dust cover are generally general, which can cause damage to the bearing dust cover after long-term use, thereby affecting the service life of the bearing dust cover, and the user is often troubled. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of tight silk bearing dust cover to solve the problem that bearing dust cover can be better applied in the above background technology, but the corrosion resistance, temperature resistance and rigidity of the bearing dust cover are generally general, which can cause damage to the bearing dust cover after long-term use, thereby affecting the service life of the bearing dust cover.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of tight silk bearing dust cover, including dust cover body, the central position of the top of the dust cover body is provided with tight silk ring, the plane where the inner wall of the tight silk ring is located is coplanar with the plane where the inner wall of dust cover body is located, a plurality of tight silk structures are provided on the outer wall of the tight silk ring, the included angle between adjacent tight silk structures is ninety degrees, a through hole is provided at the central position inside the tight silk ring, both ends of the through hole extend to the outside of the tight silk ring, an inner fillet end is provided on the inner wall of the upper end of the tight silk ring, and an outer fillet end is provided on the outer wall of the upper end of the tight silk ring.

[0006] Preferably, the dust cover body comprises a dust cover outer layer, the upper end of the dust cover body is provided with the dust cover outer layer, the dust cover outer layer is made of stainless steel, and the dust cover outer layer is made of stainless steel, so that the corrosion and wear resistance of the dust cover body is improved.

[0007] Preferably, the dust cover body comprises a dust cover base layer, the bottom end of the dust cover outer layer is provided with the dust cover base layer, the dust cover base layer is made of high-carbon chromium steel, and the dust cover body is made of high-carbon chromium steel, so that the rigidity of the dust cover body is improved.

[0008] Preferably, the dust cover body comprises a dust cover inner layer, one end of the dust cover base layer away from the dust cover outer layer is provided with the dust cover inner layer, the dust cover inner layer is made of heat-resistant steel, and the dust cover inner layer is made of heat-resistant steel, so that the high-temperature resistance of the dust cover body is improved.

[0009] Preferably, the tight wire structure comprises an upper piece cavity, and the outer wall of the upper end of the tight wire ring is provided with equidistant upper piece cavities, and the tight wire bolt piece is arranged through the upper piece cavities.

[0010] Preferably, the tight wire structure comprises a lower piece cavity and a tight wire block, the outer wall of the tight wire ring below the upper piece cavity is provided with a lower piece cavity, and the lower piece cavity is provided with a tight wire block inside, and the tight wire hole is arranged through the tight wire block.

[0011] Preferably, the tight wire structure comprises a tight wire hole, the inside of the tight wire block is provided with a tight wire hole, and both ends of the tight wire hole extend to the outside of the tight wire block, and the dust cover and the bearing are tightly fixed and sealed in the form of bolt connection through the tight wire hole.

[0012] Compared with the prior art, the dust cover of the tight wire bearing can effectively reduce the corrosion and wear of the dust cover body, prolong the service life of the dust cover, easily and efficiently install the dust cover, improve the safety of the dust cover in use, and ensure the comfort of the personnel when the hand contacts the dust cover.

[0013] (1) The dust cover body is formed by the combination of the dust cover outer layer, the dust cover base layer and the dust cover inner layer, so that the dust cover body has good corrosion resistance, wear resistance and temperature resistance, and the service life of the dust cover is prolonged.

[0014] (2) through the top of the dust cover body is provided with a tight wire ring, and the outer wall of the tight wire ring is provided with a plurality of tight wire structure, namely, by means of screw tight wire piece using bolted way to tightly fixed and sealed between the dust cover and bearing, so as to achieve the purpose of easy to install the dust cover efficiently;

[0015] (3) through the inner edge and the outer edge of the top of the tight wire ring are respectively provided with the inner fillet end and the outer fillet end, so as to effectively reduce the risk of injury caused by sharp edge to the user's hand, such as scratching, collision, etc., thereby improving the safety of the dust cover in use, and ensuring the comfort of the personnel's hand when contacting the dust cover. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a top view three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is a tight wire structure enlarged structure schematic diagram of the utility model;

[0018] Figure 3 It is a top view structure schematic diagram of the utility model;

[0019] Figure 4 It is a dust cover body partial section structure schematic diagram of the utility model.

[0020] In the drawing: 1, dust cover body; 101, dust cover outer layer; 102, dust cover base layer; 103, dust cover inner layer; 2, tight wire ring; 201, through hole; 202, inner fillet end; 203, outer fillet end; 3, tight wire structure; 301, upper piece cavity; 302, lower piece cavity; 303, tight wire block; 304, tight wire hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides an embodiment: a tight wire bearing dust cover, including dust cover body 1, dust cover body 1 includes dust cover outer layer 101, the upper end inside dust cover body 1 is provided with dust cover outer layer 101, dust cover outer layer 101 is made of stainless steel material;

[0023] When using, dust cover outer layer 101 is made of stainless steel material to improve the corrosion and wear resistance of dust cover body 1;

[0024] The dust cover body 1 comprises a dust cover base layer 102, the bottom end of the dust cover outer layer 101 is provided with the dust cover base layer 102, and the dust cover base layer 102 is made of high-carbon chromium steel;

[0025] In use, the dust cover body 1 is made of high-carbon chromium steel, so as to improve the rigidity strength of the dust cover body 1;

[0026] The dust cover body 1 comprises a dust cover inner layer 103, the end of the dust cover base layer 102 away from the dust cover outer layer 101 is provided with the dust cover inner layer 103, and the dust cover inner layer 103 is made of heat-resistant steel;

[0027] In use, the dust cover inner layer 103 is made of heat-resistant steel, so as to improve the high-temperature resistance of the dust cover body 1;

[0028] The dust cover body 1 is provided with a wire tightening ring 2 at the center position of the top end, the plane where the inner wall of the wire tightening ring 2 is located is coplanar with the plane where the inner wall of the dust cover body 1 is located, a plurality of wire tightening structures 3 are arranged on the outer wall of the wire tightening ring 2, the included angle between adjacent wire tightening structures 3 is ninety degrees, the wire tightening structure 3 comprises an upper piece cavity 301, and the outer wall of the upper end of the wire tightening ring 2 is provided with equidistant upper piece cavities 301;

[0029] In use, the upper piece cavities 301 are arranged to facilitate the arrangement of the wire tightening bolt;

[0030] The wire tightening structure 3 comprises a lower piece cavity 302 and a wire tightening block 303, the outer wall of the wire tightening ring 2 below the upper piece cavity 301 is provided with a lower piece cavity 302, and the inside of the lower piece cavity 302 is provided with a wire tightening block 303;

[0031] In use, the wire tightening block 303 is arranged to facilitate the arrangement of the wire tightening hole 304;

[0032] The wire tightening structure 3 comprises a wire tightening hole 304, the inside of the wire tightening block 303 is provided with a wire tightening hole 304, and both ends of the wire tightening hole 304 extend to the outside of the wire tightening block 303;

[0033] In use, the wire tightening hole 304 is arranged to facilitate the use of the threaded wire tightening piece to tightly fix and seal the dust cover and the bearing by means of bolting;

[0034] The center position inside the wire tightening ring 2 is provided with a through hole 201, both ends of the through hole 201 extend to the outside of the wire tightening ring 2, the inner wall of the upper end of the wire tightening ring 2 is provided with an inner fillet end 202, and the outer wall of the upper end of the wire tightening ring 2 is provided with an outer fillet end 203.

[0035] The embodiment of the application is used, first, the tight wire ring 2 is arranged at the top of the dust cover body 1, and a plurality of tight wire structures 3 are arranged on the outer wall of the tight wire ring 2, that is, the dust cover and the bearing are tightly fixed and sealed by means of bolt connection through the threaded tight wire piece, specifically: one end of the threaded tight wire piece is threaded through the tight wire hole 304 and screwed into the threaded pin hole reserved in the bearing inner ring, so that the bearing dust cover is efficiently installed, then the inner fillet end 202 and the outer fillet end 203 are arranged at the inner edge and the outer edge of the top of the tight wire ring 2 respectively, so as to effectively reduce the risk of injury such as scratching and collision of the sharp edge to the user's hand, improve the safety of the dust cover during use, and finally the dust cover body 1 is formed by combination of the dust cover outer layer 101, the dust cover base layer 102 and the dust cover inner layer 103, the dust cover outer layer 101 is made of stainless steel, the dust cover base layer 102 is made of high-carbon chromium steel, and the dust cover inner layer 103 is made of heat-resistant steel, so that the dust cover body 1 has good corrosion resistance, wear resistance and temperature resistance, thereby effectively reducing the damage of the dust cover body 1 due to corrosion and wear, and completing the use of the bearing dust cover.

[0036] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such process, method, article or equipment.

[0037] Although the utility model has been described above with reference to the embodiments, various improvements can be made and equivalent parts can be replaced without departing from the scope of the utility model. In particular, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described exhaustively in this specification only for the purpose of saving space and resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A dust cover for a tight wire bearing, characterized by: Including dust cover body (1), the center position of the top end of dust cover body (1) is provided with tight silk ring (2), the plane where the inner wall of tight silk ring (2) is located is coplanar with the plane where the inner wall of dust cover body (1) is located, a plurality of tight silk structures (3) are provided on the outer wall of tight silk ring (2), the included angle between adjacent tight silk structures (3) is ninety degrees, the central position inside tight silk ring (2) is provided with through hole (201), both ends of through hole (201) extend to the outside of tight silk ring (2), the inner wall on the upper end of tight silk ring (2) is provided with inner fillet end (202), the outer wall on the upper end of tight silk ring (2) is provided with outer fillet end (203); The dust cover body (1) includes a dust cover outer layer (101), the upper end inside the dust cover body (1) is provided with a dust cover outer layer (101), the dust cover outer layer (101) is made of stainless steel material; The dust cover body (1) includes a dust cover base layer (102), the bottom end of the dust cover outer layer (101) is provided with a dust cover base layer (102), the dust cover base layer (102) is made of high-carbon chromium steel; The dust cover body (1) includes a dust cover inner layer (103), the end away from the dust cover outer layer (101) of the dust cover base layer (102) is provided with a dust cover inner layer (103), the dust cover inner layer (103) is made of heat-resistant steel.

2. A dust cover for a tight-coil bearing as defined in claim 1, wherein: The tight silk structure (3) includes an upper piece cavity (301), the outer wall of the upper end of the tight silk ring (2) is provided with equidistant upper piece cavities (301).

3. A dust cover for a tight-coil bearing as defined in claim 2, wherein: The tight silk structure (3) includes a lower piece cavity (302) and a tight silk block (303), the outer wall of the tight silk ring (2) below the upper piece cavity (301) is provided with a lower piece cavity (302), the inside of the lower piece cavity (302) is provided with a tight silk block (303).

4. A dust cover for a tight-coil bearing as defined in claim 3, wherein: The tight silk structure (3) includes a tight silk hole (304), the inside of the tight silk block (303) is provided with a tight silk hole (304), both ends of the tight silk hole (304) extend to the outside of the tight silk block (303).

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