Engine rear cover

Abstract

The utility model relates to the technical field of engine accessories, and discloses an engine rear cover which comprises a cover body, a fixing frame is fixedly connected to the front side of the cover body, a filter screen is arranged in the fixing frame, mounting grooves are formed in the outer walls of the upper end and the lower end of the filter screen, mounting blocks penetrating through the outer wall of the fixing frame are arranged in the mounting grooves, and the mounting blocks are fixedly connected with the fixing frame. A clamping groove is formed in the outer wall of the right side of the mounting block, a fixing plate is fixedly connected to the position, located on one side of the mounting block, of the cover body, a pull rod is slidably connected into the fixing plate, a spring is arranged on the outer side of the pull rod, a clamping block is fixedly connected to the left end of the pull rod, and the clamping block is located in the clamping groove and tightly attached to the clamping groove. Through cooperation of the mounting groove, the mounting block, the clamping groove, the fixing plate, the pull rod, the spring and the clamping block, the effect of quickly disassembling the filtering device is achieved, so that the filtering device is conveniently and timely replaced, and normal use of an engine is not affected.

Description

Technical Field

[0001] The utility model relates to the field of engine accessories, in particular to an engine rear cover. Background Art

[0002] The engine rear cover is an important component of the car engine. It can provide good protection for the car engine. The heat generated by the engine can be dissipated through the engine rear cover, thereby extending the service life of the engine.

[0003] The existing filter device on the rear cover of the engine is often fixedly connected by bolts. When it needs to be replaced after long-term use, it is troublesome to disassemble. In addition, the rear cover of the engine generally only uses a fan for cooling, and the cooling effect is poor. Utility Model Content

[0004] The utility model aims to provide an engine rear cover to solve the problems in the above-mentioned background technology that the filter device on the existing engine rear cover is often fixedly connected by bolts, and when it needs to be replaced after long-term use, it is troublesome to disassemble and generally only uses a fan for cooling, which has a poor cooling effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an engine rear cover, comprising a cover body, a fixing frame fixedly connected to the front side of the cover body, a filter screen arranged in the fixing frame, mounting grooves are provided on the upper and lower outer walls of the filter screen, a mounting block penetrating the outer wall of the fixing frame is arranged in the mounting groove, a clamping groove is provided on the right outer wall of the mounting block, the cover body is fixedly connected to a fixing plate at a position on one side of the mounting block, a pull rod is slidably connected in the fixing plate, a spring is arranged on the outside of the pull rod, a clamping block is fixedly connected to the left end of the pull rod, the clamping block is located in the clamping groove and fits tightly, and both ends of the spring are respectively fixedly connected to the fixing plate and the clamping block.

[0006] Furthermore, a sliding block is fixedly connected to the rear end of the clamping block, a sliding groove is provided on the outer wall of the front end of the cover body, and the sliding block is slidably connected to the sliding groove.

[0007] Furthermore, the left end of the cover body is fixedly connected to an air cooler, the input end of the air cooler is fixedly connected to an exhaust fan, the input end of the exhaust fan is fixedly connected to an air inlet pipe, the output end of the air cooler is fixedly connected to an air outlet pipe, the other end of the air outlet pipe extends to the inside of the cover body, and the inner wall at the rear end of the cover body is fixedly connected to left and right fans opposite to each other.

[0008] Furthermore, a cooling ring is provided in the cover body, and a plurality of evenly distributed heat-conducting columns are fixedly connected to the rear end of the cooling ring, and the other end of the heat-conducting column is fixedly connected to the inner wall of the rear end of the cover body, the input end of the cooling ring is fixedly connected to a liquid inlet pipe passing through the outer wall of the upper end of the cover body, and the output end of the cooling ring is fixedly connected to a liquid outlet pipe passing through the outer wall of the lower end of the cover body.

[0009] Furthermore, the front end outer wall of the cover body is fixedly connected with left and right opposite sound absorbing panels.

[0010] Furthermore, evenly distributed mounting holes are formed through the outer wall of the front end of the cover body.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model achieves the effect of quick disassembly of the filter device through the cooperation between the mounting groove, the mounting block, the clamping groove, the fixing plate, the pull rod, the spring and the clamping block, so as to facilitate timely replacement without affecting the normal use of the engine.

[0013] 2. The utility model achieves multiple heat dissipation effects through the cooperation among the air cooler, exhaust fan, air inlet pipe, air outlet pipe, fan, cooling ring, heat conducting column, liquid inlet pipe and liquid outlet pipe, thereby improving the cooling effect and extending the service life of the engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of an engine rear cover of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of an engine rear cover filter of the utility model;

[0016] Figure 3 This is a schematic diagram of the disassembly of the upper structure of the engine rear cover body of the utility model;

[0017] Figure 4 This is a schematic diagram of the internal structure of an engine rear cover body of the utility model;

[0018] Figure 5 The utility model is a schematic diagram of the cooling ring structure of an engine rear cover.

[0019] In the figure: 1. cover; 2. fixing frame; 3. filter screen; 4. mounting groove; 5. mounting block; 6. card slot; 7. fixing plate; 8. pull rod; 9. spring; 10. card block; 11. slider; 12. slide slot; 13. air cooler; 14. exhaust fan; 15. air inlet pipe; 16. air outlet pipe; 17. fan; 18. cooling ring; 19. heat conduction column; 20. liquid inlet pipe; 21. liquid outlet pipe; 22. sound absorbing board; 23. mounting hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] See also Figure 1-5 The utility model provides a technical solution: an engine rear cover, including a cover body 1, a fixing frame 2 is fixedly connected to the front side of the cover body 1, a filter screen 3 is arranged in the fixing frame 2, mounting grooves 4 are provided on the upper and lower outer walls of the filter screen 3, a mounting block 5 penetrating the outer wall of the fixing frame 2 is arranged in the mounting groove 4, a clamping groove 6 is provided on the right outer wall of the mounting block 5, a fixing plate 7 is fixedly connected to the cover body 1 at one side of the mounting block 5, a pull rod 8 is slidably connected in the fixing plate 7, a spring 9 is arranged on the outside of the pull rod 8, a clamping block 10 is fixedly connected to the left end of the pull rod 8, the clamping block 10 is located in the clamping groove 6 and fits tightly, and the two ends of the spring 9 are respectively fixedly connected to the fixing plate 7 and the clamping block 10. Specifically, when the filter 3 needs to be disassembled, the upper and lower side pull rods 8 are pulled to the right, and the pull rods 8 drive the card block 10 to squeeze the spring 9 and move it out of the card slot 6, and then the mounting block 5 is pulled to the outside of the cover body 1 and moved out of the mounting slot 4 to take out the filter 3. When a new filter 3 needs to be installed, the upper and lower side pull rods 8 are pulled to the right, and the pull rods 8 drive the card block 10 to squeeze the spring 9, and then the mounting block 5 is placed in the mounting slot 4, and the pull rod 8 is released. The card block 10 moves to the left under the elastic force of the spring 9 and engages in the card slot 6 to complete the fixation of the filter 3.

[0022] The rear end of the block 10 is fixedly connected with a slider 11, the front end outer wall of the cover body 1 is provided with a slide groove 12, and the slider 11 is slidably connected to the slide groove 12. Specifically, the slider 11 and the slide groove 12 play a guiding and limiting role for the block 10.

[0023] The left end of the cover body 1 is fixedly connected to an air cooler 13, the input end of the air cooler 13 is fixedly connected to an exhaust fan 14, the input end of the exhaust fan 14 is fixedly connected to an air inlet pipe 15, the output end of the air cooler 13 is fixedly connected to an air outlet pipe 16, the other end of the air outlet pipe 16 extends to the inside of the cover body 1, and the inner wall of the rear end of the cover body 1 is fixedly connected to fans 17 opposite to each other on the left and right. Specifically, through the output of the exhaust fan 14, the outside air is transported to the air cooler 13 through the air inlet pipe 15 for cooling, and then transported to the inside of the cover body 1 through the air outlet pipe 16, and blown to various places by the fan 17 for heat dissipation.

[0024] Among them, a cooling ring 18 is arranged inside the cover body 1, and a plurality of evenly distributed heat-conducting columns 19 are fixedly connected to the rear end of the cooling ring 18, and the other end of the heat-conducting column 19 is fixedly connected to the inner wall of the rear end of the cover body 1, and the input end of the cooling ring 18 is fixedly connected to a liquid inlet pipe 20 penetrating the outer wall of the upper end of the cover body 1, and the output end of the cooling ring 18 is fixedly connected to a liquid outlet pipe 21 penetrating the outer wall of the lower end of the cover body 1. Specifically, the heat generated by the engine is transferred to the cooling ring 18 through the heat-conducting columns 19, and the coolant is added through the liquid inlet pipe 20 to cool the heat on the cooling ring 18, and then the coolant is discharged through the liquid outlet pipe 21.

[0025] The front end outer wall of the cover body 1 is fixedly connected with left and right opposite sound absorbing panels 22. Specifically, the sound absorbing panels 22 can absorb part of the noise generated when the engine is working.

[0026] The front end outer wall of the cover body 1 is penetrated with evenly distributed mounting holes 23. Specifically, the cover body 1 is mounted on the engine through the mounting holes 23.

[0027] Working principle: When the filter 3 needs to be disassembled, the upper and lower pull rods 8 are pulled to the right, and the pull rods 8 drive the card block 10 to squeeze the spring 9 and move it out of the card slot 6, and then the installation block 5 is pulled out to the outside of the cover body 1 and moved out of the installation slot 4 to take out the filter 3. When a new filter 3 needs to be installed, the upper and lower pull rods 8 are pulled to the right, and the pull rods 8 drive the card block 10 to squeeze the spring 9, and then the installation block 5 is placed in the installation slot 4, and the pull rod 8 is released. The card block 10 moves to the left under the elastic force of the spring 9 and is engaged in the card slot 6 to complete the fixation of the filter 3. , so that it is convenient to replace in time without affecting the normal use of the engine. Through the output of the exhaust fan 14, the outside air is transported to the air cooler 13 through the air inlet pipe 15 for cooling, and then transported to the inside of the cover body 1 through the air outlet pipe 16, and blown to various places by the fan 17 for heat dissipation. The heat generated by the engine is transmitted to the cooling ring 18 through the heat conducting column 19, and the coolant is added through the liquid inlet pipe 20 to cool the heat on the cooling ring 18, and then the coolant is discharged through the liquid outlet pipe 21, achieving the effect of multiple heat dissipation, thereby improving the cooling effect and extending the service life of the engine.

[0028] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. An engine rear cover, comprising a cover body (1), characterized in that: The front side of the cover body (1) is fixedly connected to a fixing frame (2), a filter screen (3) is arranged in the fixing frame (2), the upper and lower outer walls of the filter screen (3) are provided with mounting grooves (4), a mounting block (5) penetrating the outer wall of the fixing frame (2) is arranged in the mounting groove (4), a clamping groove (6) is arranged on the right outer wall of the mounting block (5), the cover body (1) is fixedly connected to a fixing plate (7) at a position on one side of the mounting block (5), a pull rod (8) is slidably connected in the fixing plate (7), a spring (9) is arranged on the outside of the pull rod (8), a clamping block (10) is fixedly connected to the left end of the pull rod (8), the clamping block (10) is located in the clamping groove (6) and is tightly fitted, and the two ends of the spring (9) are respectively fixedly connected to the fixing plate (7) and the clamping block (10).

2. The engine rear cover according to claim 1, characterized in that: The rear end of the clamping block (10) is fixedly connected to a sliding block (11), the front end outer wall of the cover body (1) is provided with a sliding groove (12), and the sliding block (11) is slidably connected to the sliding groove (12).

3. The engine rear cover according to claim 1, characterized in that: The left end of the cover body (1) is fixedly connected to an air cooler (13); the input end of the air cooler (13) is fixedly connected to an exhaust fan (14); the input end of the exhaust fan (14) is fixedly connected to an air inlet pipe (15); the output end of the air cooler (13) is fixedly connected to an air outlet pipe (16); the other end of the air outlet pipe (16) extends to the inside of the cover body (1); and the inner wall of the rear end of the cover body (1) is fixedly connected to fans (17) opposite to each other on the left and right.

4. The engine rear cover according to claim 1, characterized in that: A cooling ring (18) is arranged inside the cover body (1), and a plurality of evenly distributed heat-conducting columns (19) are fixedly connected to the rear end of the cooling ring (18), and the other end of the heat-conducting column (19) is fixedly connected to the inner wall of the rear end of the cover body (1), and the input end of the cooling ring (18) is fixedly connected to a liquid inlet pipe (20) that passes through the outer wall of the upper end of the cover body (1), and the output end of the cooling ring (18) is fixedly connected to a liquid outlet pipe (21) that passes through the outer wall of the lower end of the cover body (1).

5. The engine rear cover according to claim 1, characterized in that: The front end outer wall of the cover body (1) is fixedly connected with left and right opposite sound absorbing panels (22).

6. The engine rear cover according to claim 1, characterized in that: The front end outer wall of the cover body (1) is penetrated by evenly distributed mounting holes (23).

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