Corrosion-resistant lock washer

Abstract

The utility model relates to the field of lock washers, in particular to a corrosion-resistant lock washer which comprises a washer body, at least one pair of lock lugs are symmetrically and fixedly arranged on the washer body, a groove is formed in each lock lug, and a guide slope is arranged on one side, close to the washer body, of each groove. Due to the fact that the groove is formed in the stop lug, water drops tend to move along the groove under the action of burrs, and therefore the situation that the water drops remain at the contact position of the stop lug and the round nut due to the action of water surface tension is avoided, and the position is prevented from rusting. In addition, through the arrangement of the contact ring surface, the problem that the contact area between the gasket body and the round nut is too small due to the arrangement of the guide inclined surface is avoided.

Description

Technical Field

[0001] The utility model relates to the field of stop washers, in particular to a corrosion-resistant stop washer. Background Art

[0002] The stop washer is a common washer that uses the stop ear and the round nut opening to prevent the round nut from loosening. The stop washer is generally used with the round nut and is widely used in electrical appliances, elevators, and mechanical accessories to fix rolling bearings and prevent them from loosening.

[0003] Since the stop washer needs to bend the stop ear to match the round nut, after being wetted by rain, due to the tension of water, if the tension of the bottom of the water drop is greater than the gravity of the water drop itself, the water drop will easily remain between the stop ear and the round nut, making the stop ear prone to corrosion and rust. Therefore, it is necessary to improve such a structure to overcome the above defects. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings of the prior art and provide a corrosion-resistant stop washer. The utility model is achieved through the following technical solutions:

[0005] A corrosion-resistant stop washer comprises a washer body, on which at least one pair of stop ears are symmetrically fixedly arranged, each of the stop ears is provided with a groove, and a guiding slope is provided on one side of the groove close to the washer body.

[0006] In the above technical solution: the gasket body serves as the main structure of the gasket and realizes the basic function of the gasket; the stopping ear is used to cooperate with the round nut to realize the stopping function; the groove is used to destroy the surface tension of the water droplets and make the water droplets flow down smoothly through capillary action; the guiding slope is used to prevent the water droplets from remaining in the groove.

[0007] The utility model is further configured as follows: the upper surface of the gasket body is a conical surface.

[0008] In the above technical solution: the upper surface of the gasket body is a conical surface, which is used to guide water drops to flow down from the gasket body.

[0009] The utility model is further configured as follows: a contact annular surface is further provided on the upper surface of the gasket body, the outer diameter of the contact annular surface is smaller than the outer diameter of the gasket body, and the contact annular surface is concentrically arranged with the upper surface of the gasket body.

[0010] In the above technical solution: the contact annular surface is used to contact the bottom surface of the round nut, and the friction force is too small due to the small contact area between the washer body and the round nut; the outer diameter of the contact annular surface is smaller than the outer diameter of the washer body, so that the conical surface difference must exist; the contact annular surface is concentrically arranged with the upper surface of the washer body, so that water drops flowing down from the stop ear will definitely flow to the upper surface of the washer body.

[0011] The utility model is further configured as follows: the cross-sectional shape of the guiding inclined surface is an arc shape.

[0012] The utility model is further configured as follows: an anti-rust layer is also provided on the gasket body.

[0013] In the above technical solution: the anti-rust layer is used to provide a preliminary waterproof function.

[0014] The utility model is further configured as follows: a hydrophobic coating is also provided on the guiding inclined surface.

[0015] In the above technical solution: the hydrophobic coating is used to further prevent water droplets from remaining on the guiding slope.

[0016] The utility model discloses a corrosion-resistant stop washer. Compared with the prior art:

[0017] 1. The utility model provides a groove on the stop ear, so that under the action of burrs, water drops tend to move along the groove, thereby preventing water drops from remaining at the contact position between the stop ear and the round nut due to the action of water surface tension, thereby preventing rust at this position;

[0018] 2. The utility model also avoids the problem of too small contact area between the washer body and the round nut due to the setting of the guiding inclined surface by setting the contact annular surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 It is a top view of the utility model.

[0021] The corresponding component names represented by the numbers and letters in the figure are: 10-washer body; 101-contact annular surface; 20-stop ear; 201-groove; 202-guide slope. DETAILED DESCRIPTION

[0022] The following is a detailed description of an embodiment of the utility model. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and a specific operation process are given, but the protection scope of the utility model is not limited to the following embodiment.

[0023] like Figure 1-2 As shown, the utility model provides a corrosion-resistant stop washer, comprising a washer body 10, on which at least one pair of stop ears 20 are symmetrically fixedly arranged, each of which is provided with a groove 201, and a guide slope 202 is provided on one side of the groove 201 close to the washer body 10. The number of the stop ears is three pairs; the length of the groove 201 is consistent with the length of the stop ear.

[0024] like Figure 1-2 As shown, the utility model provides a corrosion-resistant stop washer, wherein the upper surface of the washer body 10 is a conical surface, wherein the conicity of the conical surface is 1 to 3 degrees.

[0025] like Figure 1-2 As shown, the utility model proposes a corrosion-resistant stop washer, and a contact annular surface 101 is also provided on the upper surface of the washer body 10, the outer diameter of the contact annular surface 101 is smaller than the outer diameter of the washer body 10, and the contact annular surface 101 is concentrically arranged with the upper surface of the washer body 10.

[0026] like Figure 1-2 As shown, the utility model provides a corrosion-resistant stop washer, and the cross-sectional shape of the guide slope 202 is an arc.

[0027] like Figure 1-2 As shown, the utility model provides a corrosion-resistant stop washer, wherein the washer body 10 is also provided with an anti-rust layer, wherein the anti-rust layer is a phosphate protective layer.

[0028] like Figure 1-2 As shown, the corrosion-resistant stop washer proposed by the present invention has a hydrophobic coating disposed on the guide slope 202. The hydrophobic coating is made of polyolefin.

[0029] The working principle of the utility model is:

[0030] a) bend the stop ear of the utility model and match it with the round nut to complete the installation;

[0031] b) When it rains, the small droplets are in contact with the stop ear and the round nut;

[0032] c) The small droplet contacts the groove, and the main tension of the part of the small droplet in the groove is located in the direction of the groove opening on the side; d) The tension of the lower part of the part of the small droplet in the groove is less than its gravity, so that the water droplet gradually flows out of the groove; e) The water flows along the groove and encounters the guiding slope;

[0033] f) The water flows out of the groove and then flows out of the gasket body along the conical surface of the gasket body.

[0034] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A corrosion-resistant stop washer, characterized in that: The invention comprises a gasket body (10), on which at least one pair of stop ears (20) are symmetrically fixedly arranged, each of the stop ears (20) is provided with a groove (201), and a guide slope (202) is provided on one side of the groove (201) close to the gasket body (10).

2. A corrosion-resistant stop washer according to claim 1, characterized in that: The upper surface of the gasket body (10) is a conical surface.

3. A corrosion-resistant stop washer according to claim 2, characterized in that: A contact annular surface (101) is also provided on the upper surface of the gasket body (10); the outer diameter of the contact annular surface (101) is smaller than the outer diameter of the gasket body (10), and the contact annular surface (101) is concentrically arranged with the upper surface of the gasket body (10).

4. A corrosion-resistant stop washer according to any one of claims 1 to 3, characterized in that: The cross-sectional shape of the guiding slope (202) is an arc.

5. A corrosion-resistant stop washer according to claim 4, characterized in that: The washer body (10) is also provided with an anti-rust layer.

6. A corrosion-resistant stop washer according to claim 5, characterized in that: The guiding slope (202) is also provided with a hydrophobic coating.

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