Mounting structure for air filter cap of tractor

Abstract

The utility model relates to the field of agricultural machinery, and discloses a tractor air filter cap mounting structure which comprises an air filter body and a cap body, a mounting block is fixedly connected to the inner wall of the cap body, a mounting mechanism is arranged in the mounting block, the mounting mechanism comprises a first air pressure bin, the first air pressure bin is formed in the inner wall of the mounting block, and a second air pressure bin is arranged in the cap body. A second air pressure bin is formed in the inner wall, located above the first air pressure bin, of the mounting block, a push block is connected to the inner wall of the second air pressure bin through a piston, the bottom end of the push block is fixedly connected with the top end of the sliding plate, a control block is connected to the inner wall of the second air pressure bin through a piston, and a control strip is fixedly connected to the left end of the control block. According to the air filter, due to the arrangement of the installation mechanism, the installation block can be conveniently arranged outside the upper end of the air filter body in a sleeving mode, the installation block can be attached to the outer wall of the air filter body through expansion of the air bag, and a good fixing effect is achieved.

Description

Technical Field

[0001] The utility model relates to the field of agricultural machinery, in particular to an air filter cap mounting structure for a tractor. Background Art

[0002] The tractor air filter cap is an important part of the tractor air filter, which is mainly used to prevent dust, sand, impurities, etc. from entering the engine to ensure the normal operation of the engine.

[0003] At present, most of the existing tractor air filter caps are fixed to the top outer wall of the air filter body by a clamp, so that the air filter cap is located above the air filter body.

[0004] At present, when fixing the air filter cap, it is often difficult to directly control the clamp because the lower end diameter of the air filter cap is often smaller than the upper end diameter. It is often necessary to use a wrench or other tools to tighten the clamp, which is troublesome and laborious. Therefore, a tractor air filter cap mounting structure is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a mounting structure for an air filter cap of a tractor, aiming to improve the problem in the prior art that it is often difficult to clamp the clamp due to the shape of the air filter cap.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a mounting structure for a tractor air filter cap, comprising an air filter body and a cap body, the inner wall of the cap body being fixedly connected with a mounting block, the interior of the mounting block being provided with a mounting mechanism, the mounting mechanism comprising an air pressure chamber 1, the air pressure chamber 1 being opened on the inner wall of the mounting block, the inner wall of the mounting block being above the air pressure chamber 1 being provided with an air pressure chamber 2, the inner wall piston of the air pressure chamber 2 being connected with a push block, the bottom end of the push block being fixedly connected with the top end of a slide plate, the inner wall piston of the air pressure chamber 2 being connected with a control block, the left end of the control block being fixedly connected with a control strip, the interior of the control strip and the inner wall of the cap body being jointly provided with a fixing component, the fixing component comprising a mounting chamber, the mounting chamber being opened on the inner wall of the control strip.

[0007] As a further description of the above technical solution:

[0008] The inner wall piston of the air pressure chamber 1 is connected with a slide plate, the bottom end of the slide plate is elastically connected to the inner wall of the air pressure chamber 1 through a spring 1, the inner wall of the mounting block is fixedly connected with an air bag, and the interior of the air bag is connected with the interior of the air pressure chamber 1.

[0009] As a further description of the above technical solution:

[0010] The inner wall of the installation bin is slidably connected with a push bar, the bottom end of the push bar is elastically connected to the inner wall of the installation bin via a second spring, and the top end of the push bar is fixedly connected with a pressing block.

[0011] As a further description of the above technical solution:

[0012] A card slot is provided at the bottom end of the control strip, a mounting slot is provided on the inner wall of the cap body below the control strip, a card block is slidably connected to the inner wall of the mounting slot, and the bottom end of the card block is elastically connected to the inner wall of the mounting slot via a spring.

[0013] As a further description of the above technical solution:

[0014] The shape of the air pressure chamber 1 is a circular ring with a concave cross section, and the outer wall of the slide plate is in contact with the inner wall of the air pressure chamber 1.

[0015] As a further description of the above technical solution:

[0016] The airbag is annular in shape, made of rubber, and has a thickness after expansion that is greater than a radius difference between an inner wall of the mounting block and an outer wall at the top end of the air filter body.

[0017] As a further description of the above technical solution:

[0018] The shape of the card block is a rectangle with a triangular cut corner at the upper left end, and the width of the card block matches the card slot.

[0019] As a further description of the above technical solution:

[0020] The height of the installation groove is consistent with the height of the clamping block and the height of the spring three after being squeezed.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, by setting the mounting mechanism, a gap exists when the mounting block is connected to the upper end of the air filter body, so that the mounting block can be conveniently sleeved on the outside of the upper end of the air filter body, and through the expansion of the airbag, the mounting block can fit with the outer wall of the air filter body, achieving a better fixed installation effect.

[0023] 2. In the utility model, by setting the fixing component, the control strip can only move unidirectionally to the right when the pressing block is not squeezed, thereby ensuring that the airbag can maintain the expanded state after expansion, ensuring the fixing effect during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional structural schematic diagram of the overall structure of the utility model;

[0025] Figure 2 It is a schematic cross-sectional view of the three-dimensional structure of the overall structure of the utility model;

[0026] Figure 3 For the utility model Figure 2 A magnified schematic diagram of the three-dimensional structure of part A;

[0027] Figure 4 For the utility model Figure 3 A magnified schematic diagram of the three-dimensional structure of part B;

[0028] Figure 5 For the utility model Figure 4 The three-dimensional structure of the C part is enlarged x schematic diagram;

[0029] Figure 6 For the utility model Figure 5 Schematic diagram of the enlarged three-dimensional structure of part D in the middle.

[0030] Legend:

[0031] 1. Air filter body; 2. Cap body; 3. Mounting block; 4. Mounting mechanism; 41. Air pressure chamber 1; 42. Slide plate; 43. Spring 1; 44. Air bag; 45. Air pressure chamber 2; 46. Push block; 47. Control block; 48. Control strip; 49. Fixing assembly; 491. Mounting chamber; 492. Push strip; 493. Spring 2; 494. Pressing block; 495. Slot; 496. Mounting slot; 497. Slot; 498. Spring 3. DETAILED DESCRIPTION

[0032] 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.

[0033] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a mounting structure for a tractor air filter cap, comprising an air filter body 1 and a cap body 2, wherein the inner wall diameter of the bottom end of the cap body 2 is larger than the outer wall diameter of the top end of the air filter body 1, and a mounting block 3 is fixedly connected to the inner wall of the cap body 2, and the inner diameter of the mounting block 3 is larger than the outer wall diameter of the top end of the air filter body 1.

[0034] Reference Figure 2 - Figure 4The mounting block 3 is provided with a mounting mechanism 4, which includes an air pressure chamber 41, which is opened on the inner wall of the mounting block 3, and the shape of the air pressure chamber 41 is a circular ring with a concave cross-section. The inner wall piston of the air pressure chamber 41 is connected with a slide plate 42, and the outer wall of the slide plate 42 is fitted with the inner wall of the air pressure chamber 41. The fitting relationship is set to ensure that the gas at the upper and lower ends of the slide plate 42 cannot be connected, and the bottom end of the slide plate 42 is elastically connected to the inner wall of the air pressure chamber 41 through a spring 43, one end of the spring 43 is fixedly connected to the bottom end of the slide plate 42, and the other end of the spring 43 is fixedly connected to the inner wall of the air pressure chamber 41. The inner wall of the mounting block 3 is fixedly connected with an air bag 44, which is in the shape of an annular shape and is made of rubber. The interior of the air bag 44 is connected with the interior of the air pressure chamber 41, and the thickness of the air bag 44 after expansion is greater than the radius difference between the inner wall of the mounting block 3 and the outer wall of the top of the air filter body 1.

[0035] Reference Figure 3 - Figure 5 The inner wall of the mounting block 3 above the air pressure chamber 1 41 is provided with an air pressure chamber 2 45, and the shape of the air pressure chamber 2 45 is L-shaped. The inner wall piston of the air pressure chamber 2 45 is connected with a push block 46, and the outer wall of the push block 46 is in contact with the inner wall of the air pressure chamber 2 45. The bottom end of the push block 46 is fixedly connected to the top end of the slide plate 42, and the inner wall piston of the air pressure chamber 2 45 is connected with a control block 47, and the inner wall of the air pressure chamber 2 45 is in contact with the outer wall of the control block 47. The left end of the control block 47 is fixedly connected with a control strip 48.

[0036] Reference Figure 4 - Figure 6The interior of the control strip 48 and the inner wall of the cap body 2 are jointly provided with a fixing component 49, and the fixing component 49 includes an installation chamber 491, and the installation chamber 491 is opened on the inner wall of the control strip 48. The inner wall of the installation chamber 491 is slidably connected with a push strip 492, and the height of the push strip 492 is consistent with the height of the installation chamber 491. The bottom end of the push strip 492 is elastically connected to the inner wall of the installation chamber 491 through a spring 2 493, and the bottom end of the push strip 492 is fixedly connected to one end of the spring 2 493, and the inner wall of the installation chamber 491 is fixedly connected to the other end of the spring 2 493. The top of the push strip 492 is fixedly connected with a pressing block 494, and a card slot 495 is opened at the bottom end of the control strip 48. The height of the pressing block 494 is consistent with the height of the card slot 495 The inner wall of the cap body 2 below the control strip 48 is provided with a mounting groove 496, and the inner wall of the mounting groove 496 is slidably connected with a block 497, the width of the block 497 matches the width of the slot 495, and the shape of the block 497 is a rectangle with an oblique angle at the upper left end. The shape setting of the block 497 ensures that the control strip 48 can move smoothly to the right but cannot move to the left, and the bottom end of the block 497 is elastically connected to the inner wall of the mounting groove 496 by a spring three 498, one end of the spring three 498 is fixedly connected to the bottom end of the block 497, and the other end of the spring three 498 is fixedly connected to the inner wall of the mounting groove 496, and the height of the mounting groove 496 is consistent with the height of the block 497 and the height of the spring three 498 after being squeezed.

[0037] Working principle: When in use, the staff first puts the installation block 3 on the outside of the top raised part of the air filter body 1, and then pushes the control strip 48 to the right. In the process of the control strip 48 being forced to move to the right, the control strip 48 pushes the control block 47 to move to the right, thereby reducing the space inside the air pressure chamber 2 45, thereby increasing the gas pressure inside the air pressure chamber 2 45, so that the push block 46 moves downward under the action of the air pressure.

[0038] When the push block 46 moves downward, the push block 46 drives the slide plate 42 to move downward, thereby increasing the air pressure in the air pressure chamber 41 below the slide plate 42, so that the gas enters the airbag 44, thereby causing the airbag 44 to expand. When the airbag 44 expands, the airbag 44 can fit with the outer wall of the raised part at the upper end of the air filter body 1, thereby achieving an installation and fixing effect.

[0039] At the same time, when the staff pushes the control strip 48, when the control strip 48 moves to the right, the left end of the block 497 is pushed, so it moves downward to enter the interior of the installation groove 496, and moves upward under the elastic force of the spring three 498 after being free from external force, so that the block 497 can enter the groove 495 after moving upward. At this time, if the control strip 48 is subjected to a force to the left, it will be unable to move further because the inner wall of the groove 495 contacts the vertical edge of the block 497, so the inflation state of the airbag 44 can be guaranteed.

[0040] However, when the equipment needs to be disassembled, the staff presses the pressing block 494 downward, so that the pressing block 494 drives the pushing bar 492 to move out of the card slot 495, so that the card block 497 can leave the card slot 495. Therefore, the staff can smoothly move the control bar 48 to the left at this time. Therefore, the slide plate 42 can move upward under the elastic force of the spring 2 493 at this time, so that the gas inside the airbag 44 enters the air pressure chamber 1 41, so that the airbag 44 shrinks, so that the staff can smoothly remove the cap body 2.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A tractor air filter cap mounting structure, comprising an air filter body (1) and a cap body (2), characterized in that: The inner wall of the cap body (2) is fixedly connected to a mounting block (3), and a mounting mechanism (4) is arranged inside the mounting block (3). The mounting mechanism (4) comprises a gas pressure chamber 1 (41), and the gas pressure chamber 1 (41) is arranged on the inner wall of the mounting block (3). The inner wall of the mounting block (3) above the gas pressure chamber 1 (41) is provided with a gas pressure chamber 2 (45), and the inner wall piston of the gas pressure chamber 2 (45) is connected to a push block (46), and the push block ( The bottom end of the air pressure chamber (46) is fixedly connected to the top end of the slide plate (42), the inner wall piston of the air pressure chamber (45) is connected to a control block (47), the left end of the control block (47) is fixedly connected to a control strip (48), the interior of the control strip (48) and the inner wall of the cap body (2) are jointly provided with a fixing assembly (49), and the fixing assembly (49) includes an installation chamber (491), and the installation chamber (491) is opened on the inner wall of the control strip (48).

2. The air filter cap mounting structure for a tractor according to claim 1, characterized in that: The inner wall piston of the air pressure chamber (41) is connected to a slide plate (42), the bottom end of the slide plate (42) is elastically connected to the inner wall of the air pressure chamber (41) via a spring (43), the inner wall of the mounting block (3) is fixedly connected to an air bag (44), the interior of the air bag (44) is connected to the interior of the air pressure chamber (41).

3. The air filter cap mounting structure for a tractor according to claim 1, characterized in that: The inner wall of the installation bin (491) is slidably connected with a push bar (492), the bottom end of the push bar (492) is elastically connected to the inner wall of the installation bin (491) via a second spring (493), and the top end of the push bar (492) is fixedly connected with a pressing block (494).

4. The air filter cap mounting structure for a tractor according to claim 1, characterized in that: The bottom end of the control strip (48) is provided with a slot (495), the inner wall of the cap body (2) below the control strip (48) is provided with a mounting slot (496), the inner wall of the mounting slot (496) is slidably connected with a block (497), and the bottom end of the block (497) is elastically connected to the inner wall of the mounting slot (496) via a spring three (498).

5. The mounting structure for a tractor air filter cap according to claim 2, characterized in that: The shape of the air pressure chamber 1 (41) is a circular ring with a concave cross-section, and the outer wall of the slide plate (42) is in contact with the inner wall of the air pressure chamber 1 (41).

6. The air filter cap mounting structure for a tractor according to claim 2, characterized in that: The airbag (44) is annular in shape and is made of rubber. The thickness of the airbag (44) after expansion is greater than the radius difference between the inner wall of the mounting block (3) and the outer wall of the top end of the air filter body (1).

7. The air filter cap mounting structure for a tractor according to claim 4, characterized in that: The shape of the clamping block (497) is a rectangle with a triangular cut corner at the upper left end, and the width of the clamping block (497) matches the clamping slot (495).

8. The air filter cap mounting structure for a tractor according to claim 4, characterized in that: The height of the installation groove (496) is consistent with the height of the clamping block (497) and the height of the spring three (498) after being squeezed.

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