Left crankcase cover with anti-scald cover plate

Abstract

The utility model discloses a left crankcase cover with an anti-scald cover plate, which belongs to the technical field of crankcases and comprises a left crankcase cover part, an inner mounting surface connected with a crankcase and an outer contact surface in contact with legs are arranged on the left crankcase cover part; the anti-scald cover plate piece is used for preventing the legs from being in direct contact with the outer contact surface and is arranged on the outer contact surface in a sleeving manner; the anti-scald cover plate is arranged at the position of the outer contact face on the left crankcase cover piece, so that the contact between the legs of a human body and the left crankcase cover piece increases hindrance, the anti-scald cover plate can be prevented from being scalded, and the left crankcase cover piece can be prevented from being scalded by the anti-scald cover plate, so that the anti-scald cover plate can be prevented from being scalded. Therefore, the direct influence of the heat on the left crankcase cover piece on the legs of the human body is greatly reduced, and the heat transfer from the left crankcase cover piece to the anti-scald cover plate piece is effectively reduced by arranging the heat insulation pad on the anti-scald cover plate piece.

Description

Technical Field

[0001] The utility model relates to the technical field of crankcases, in particular to a left crankcase cover with a scalding-proof cover plate. Background Art

[0002] The crankcase is a hollow structure in a motorcycle that holds the crankshaft. It is located at the bottom of the engine and is an important component of the engine. The crankcase is composed of multiple structures, including a left crankcase cover. The left crankcase cover and the right crankcase cover are connected together to form the crankcase cover, which is mainly used to protect and seal the crankcase. Because its crankcase is generally made of aluminum alloy, and the left crankcase cover is generally located at the position of the magneto and the rotor, part of the heat generated by the engine and the crankshaft structure will be transferred to the left crankcase cover.

[0003] When riding a motorcycle, one side of the leg will come into contact with the left crankcase cover, and the heat from the left crankcase cover will be transferred to the leg, especially when the skin is in direct contact with the left crankcase cover, the heat will have a more obvious impact on the leg, and the left crankcase cover is generally not equipped with protective devices. When riding a motorcycle for a long time, the heat will accumulate on the left crankcase cover, and when the leg comes into contact with the left crankcase cover, the increase in temperature will cause discomfort to the leg skin, and it is very likely to cause certain burns to the leg skin. Utility Model Content

[0004] The embodiment of the utility model provides a left crankcase cover with a scalding-proof cover plate to solve the above-mentioned technical problems.

[0005] The utility model embodiment adopts the following technical solutions: including

[0006] A left crankcase cover, wherein the left crankcase cover is provided with an inner mounting surface connected to the crankcase and an outer contact surface in contact with the leg;

[0007] An anti-scalding cover plate, which is used to prevent the legs from directly contacting the outer contact surface and is sleeved on the outer contact surface;

[0008] A fixing member, the fixing member is used to fix the anti-scalding cover plate member to the left crankcase cover member;

[0009] A heat insulation pad is used to reduce the heat transfer from the left crankcase cover to the anti-scalding cover plate.

[0010] Furthermore, the fixing member is a bolt, one end of which passes through the anti-scalding cover plate and is threadedly connected to the left crankcase cover.

[0011] Furthermore, the thermal insulation pad includes a No. 1 thermal insulation pad and a No. 2 thermal insulation pad fixedly connected to the inner wall of the anti-scalding cover plate, and the No. 1 thermal insulation pad and the No. 2 thermal insulation pad are both in active contact with the outer contact surface.

[0012] Furthermore, the thermal insulation pad also includes a No. 3 thermal insulation pad that blocks the left crankcase cover from transferring heat to the anti-scalding cover plate through the bolts, and the No. 3 thermal insulation pad is fixedly connected to the anti-scalding cover plate and contacts the bolts.

[0013] Furthermore, a plurality of heat-preventing plates are provided on the inner side wall of the anti-scalding cover plate, and an air insulation channel for increasing thermal resistance is formed between two adjacent heat-preventing plates.

[0014] Furthermore, the anti-scalding cover is provided with a plurality of ventilation holes for ventilating and dissipating heat between the anti-scalding cover and the left crankcase cover, and the plurality of ventilation holes are equidistantly arranged around the central axis of the anti-scalding cover.

[0015] Furthermore, a plurality of long protrusions are provided on the outer surface of the anti-scalding cover plate to prevent the legs from directly contacting the anti-scalding cover plate.

[0016] At least one of the above technical solutions adopted in the embodiment of the utility model can achieve the following beneficial effects:

[0017] In the utility model, an anti-scalding cover plate is provided at the position of the outer contact surface of the left crankcase cover, thereby increasing the contact between the human body's legs and the left crankcase cover, thereby greatly reducing the direct impact of the heat on the left crankcase cover on the human body's legs; the anti-scalding cover plate is fixedly installed on the left crankcase cover by a fixing member, and after fixing, an insulating pad is provided on the anti-scalding cover plate, thereby effectively reducing the heat transferred from the left crankcase cover to the anti-scalding cover plate, avoiding damage to the human body's legs due to the increase in the temperature of the left crankcase cover, and playing a certain protective role on the human body's legs. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

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

[0020] Figure 2 It is a schematic diagram of the isometric side section structure of the utility model;

[0021] Figure 3 For the utility model Figure 2 A schematic diagram of the structure enlargement in the middle;

[0022] Figure 4 It is a schematic diagram of the structure of the left crankcase cover of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the anti-scalding cover plate in the utility model;

[0024] Figure 6 It is a schematic diagram of the structure of the heat-proof conductive plate and the air barrier channel in the utility model.

[0025] Attached photos

[0026] Left crankcase cover 1, inner mounting surface 100, outer contact surface 101, anti-scalding cover plate 2, anti-heat conductive plate 200, air barrier channel 201, fixing part 3, thermal insulation pad No. 1 401, thermal insulation pad No. 2 402, thermal insulation pad No. 3 403, ventilation hole 5, and long protrusion 6. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in combination with the specific embodiments of the utility model and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0028] The technical solutions provided by various embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0029] The embodiment of the utility model provides a left crankcase cover with an anti-scalding cover plate, comprising a left crankcase cover 1, wherein the left crankcase cover 1 is provided with an inner mounting surface 100 connected to the crankcase and an outer contact surface 101 in contact with the legs, and the left crankcase cover 1 is fixedly mounted on the crankcase. When riding a motorcycle, one leg of the human body will naturally be placed on the outer contact surface 101 of the left crankcase cover 1, and the heat generated by the internal structure of the crankcase will be transferred to the left crankcase cover 1. When the leg contacts the left crankcase cover 1, the heat on the left crankcase cover 1 will be transferred to the leg, thereby causing discomfort to the leg. When the internal structure of the crankcase works for a long time, the internal heat will continue to accumulate, thereby causing more heat to be transferred to the leg position of the human body. After reaching a certain height, it will cause damage to the leg of the human body.

[0030] The anti-scalding cover 2 is used to prevent the legs from directly contacting the outer contact surface 101 and is sleeved on the outer contact surface 101. By arranging the anti-scalding cover 2 at the position of the outer contact surface 101, the anti-scalding cover 2 prevents the legs from contacting the left crankcase cover 1. When heat is transferred, it will first be transferred to the anti-scalding cover 2 and then transferred to the position of the legs. At this time, the heat received by the legs is lower than the heat transferred when the left crankcase cover 1 is in direct contact with the legs. At this time, the anti-scalding cover 2 reduces the heat received by the legs, thereby avoiding burns to the legs caused by the increase in heat of the left crankcase cover 1.

[0031] The fixing member 3 is used to fix the anti-scalding cover plate 2 to the left crankcase cover 1 to ensure the stability of the anti-scalding cover plate 2 when it is sleeved on the left crankcase cover 1.

[0032] Insulating pad, the insulating pad is used to reduce the heat transfer from the left crankcase cover 1 to the anti-scalding cover 2. When the fixing part 3 is used to fix the anti-scalding cover 2 on the left crankcase cover 1, the insulating pad is used between the anti-scalding cover 2 and the left crankcase cover 1. While ensuring the stability of the anti-scalding cover 2 when in use, it can reduce the heat transfer from the left crankcase cover 1 to the anti-scalding cover 2.

[0033] Preferably, the thermal insulation pad includes a No. 1 thermal insulation pad 401 and a No. 2 thermal insulation pad 402 fixedly connected to the inner wall of the anti-scalding cover plate 2, and the No. 1 thermal insulation pad 401 and the No. 2 thermal insulation pad 402 are both in active contact with the outer contact surface 101. The thermal insulation pad also includes a No. 3 thermal insulation pad 403 for blocking the left crankcase cover plate 1 from transferring heat to the anti-scalding cover plate 2 through bolts. The No. 1 thermal insulation pad 401 is arranged at the inner edge position of the anti-scalding cover plate 2, and the anti-scalding cover plate 2 is fixedly mounted on the left crankcase cover plate 1. When the crankcase cover 1 is on, the No. 1 thermal insulation pad 401 contacts the outer contact surface 101 on the left crankcase cover 1. When the heat on the left crankcase cover 1 is transferred to the anti-scalding cover plate 2, it will pass through the No. 1 thermal insulation pad 401. The thermal insulation pad is made of some existing materials with good thermal conductivity, such as mica, asbestos tile, perlite and other materials. The purpose is to support the anti-scalding cover plate 2 and the left crankcase cover 1 while being able to play a thermal resistance function.

[0034] Preferably, the fixing member 3 is a bolt, one end of which passes through the anti-scalding cover plate 2 and is threadedly connected to the left crankcase cover plate 1, and the No. 3 thermal insulation pad 403 is fixedly connected to the anti-scalding cover plate 2 and contacts the bolt. When the bolt fixes the anti-scalding cover plate 2 on the left crankcase, the nut position on the bolt contacts the No. 3 thermal insulation pad 403. By continuously tightening the bolt, the nut position on the bolt also continuously squeezes the No. 3 thermal insulation pad 403, and then squeezes the anti-scalding cover plate 2, while the No. 2 thermal insulation pad 403 is squeezed. The thermal pad 402 is located on the inner side of the anti-scalding cover plate 2 near the No. 3 thermal insulation pad 403. When the No. 2 thermal insulation pad 402 is subjected to the force from the bolts on the No. 3 thermal insulation pad 403, the anti-scalding cover plate 2 will squeeze the outer contact surface 101 on the left crankcase cover 1 through the No. 2 thermal insulation pad 402, and then under the action of the No. 2 thermal insulation pad 402, the anti-scalding cover plate 2 is supported and cooperated with the No. 3 thermal insulation pad 403, so that the bolts can fix the anti-scalding cover plate 2.

[0035] Preferably, the anti-scalding cover 2 is provided with a plurality of ventilation holes 5 for ventilating and dissipating heat between the anti-scalding cover 2 and the left crankcase cover 1. The plurality of ventilation holes 5 are equidistantly arranged around the central axis of the anti-scalding cover 2. The inner wall of the anti-scalding cover 2 is provided with a plurality of heat-conducting plates 200. An air barrier channel 201 for increasing thermal resistance is formed between two adjacent heat-conducting plates 200. When the motorcycle is riding, the airflow formed by the speed of the vehicle will enter the space between the anti-scalding cover 2 and the outer contact surface 101 through the ventilation holes 5. After the air passes between the two, it will take away the air between the two. The heat between them can quickly reduce the temperature of the anti-scalding cover 2 and the left crankcase cover 1, and the anti-heat conductive plate 200 is used to reduce the heat transfer from the left crankcase cover 1 to the anti-scalding cover 2. The air barrier channel 201 formed between the several anti-heat conductive plates 200 can increase the barrier during heat transfer. After the heat on the left crankcase cover 1 is blocked by the several anti-heat conductive plates 200, the heat finally transferred to the anti-scalding cover 2 through the air is greatly weakened and reduced, which is beneficial to reduce the influence of the left crankcase cover 1 on the anti-scalding cover 2.

[0036] Preferably, the outer surface of the anti-scalding cover 2 is provided with a plurality of long protrusions 6 to prevent the legs from directly contacting the anti-scalding cover 2. When the legs of the human body come into contact with the outer side of the anti-scalding cover 2, the legs will first come into contact with the long protrusions 6, thereby reducing the contact area between the legs and the anti-scalding cover 2, thereby reducing the transfer of heat from the anti-scalding cover 2 to the legs. At the same time, the long protrusions 6 can also increase the area of ​​the outer surface of the anti-scalding cover 2, thereby better dissipating heat.

[0037] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A left crankcase cover with a scalding-proof cover plate, characterized in that: include A left crankcase cover (1), wherein the left crankcase cover (1) is provided with an inner mounting surface (100) connected to the crankcase and an outer contact surface (101) in contact with the leg; an anti-scalding cover plate (2), the anti-scalding cover plate (2) being used to prevent the leg from directly contacting the outer contact surface (101) and being sleeved on the outer contact surface (101); A fixing member (3), the fixing member (3) being used to fix the anti-scalding cover member (2) to the left crankcase cover member (1); A heat insulation pad, the heat insulation pad is used to reduce heat transfer from the left crankcase cover (1) to the anti-scalding cover plate (2).

2. The left crankcase cover with a scalding-proof cover plate according to claim 1, characterized in that: The fixing member (3) is a bolt, one end of which passes through the anti-scalding cover plate member (2) and is threadedly connected to the left crankcase cover member (1).

3. The left crankcase cover with a scalding-proof cover plate according to claim 1, characterized in that: The thermal insulation pad comprises a first thermal insulation pad (401) and a second thermal insulation pad (402) fixedly connected to the inner side wall of the anti-scalding cover plate (2), and the first thermal insulation pad (401) and the second thermal insulation pad (402) are both in active contact with the outer contact surface (101).

4. The left crankcase cover with a scalding-proof cover plate according to claim 2, characterized in that: The heat insulation pad also includes a No. 3 heat insulation pad (403) for preventing the left crankcase cover (1) from transferring heat to the anti-scalding cover plate (2) through the bolts, and the No. 3 heat insulation pad (403) is fixedly connected to the anti-scalding cover plate (2) and is in contact with the bolts.

5. The left crankcase cover with a scalding-proof cover plate according to claim 1, characterized in that: A plurality of heat-conducting protection plates (200) are provided on the inner side wall of the anti-scalding cover plate (2), and an air insulation channel (201) for increasing thermal resistance is formed between two adjacent heat-conducting protection plates (200).

6. The left crankcase cover with a scalding-proof cover plate according to claim 1, characterized in that: The anti-scalding cover (2) is provided with a plurality of ventilation holes (5) for ventilating and dissipating heat at a position between the anti-scalding cover (2) and the left crankcase cover (1), and the plurality of ventilation holes (5) are arranged at equal distances around the central axis of the anti-scalding cover (2).

7. The left crankcase cover with a scalding-proof cover plate according to claim 1, characterized in that: A plurality of long protrusions (6) are provided on the outer surface of the anti-scalding cover plate (2) to prevent the legs from directly contacting the anti-scalding cover plate (2).

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