Sundry equipment for air inlet structure of diesel engine

Abstract

The utility model discloses sundry equipment for an air inlet structure of a diesel engine, which relates to the technical field of air inlet of engines and comprises an air inlet box, an air inlet pipe is fixedly mounted on one side of the surface of the air inlet box, and a fixing sleeve is fixedly mounted at one end, far away from the air inlet box, of the air inlet pipe. A filter screen is detachably installed in the fixing sleeve, a fixing device is detachably installed on one side of the fixing sleeve, limiting and fixing of the filter screen are completed through the sleeve matched with the fixing device, the firmness of the filter screen is improved, and the situation that an existing filter screen falls off from one side of the air inlet pipe due to jolting, and use of the air inlet pipe is affected is prevented. Through the cooperation of the fixing sleeve, the fixing device and the positioning assembly, the filter screen installed in the fixing sleeve can be disassembled and assembled conveniently, the filter screen can be cleaned or replaced conveniently, the disassembling and assembling speed of the filter screen is increased, time and labor are saved, and the working efficiency of maintenance personnel is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of engine air intake, in particular to a sundry device for an air intake structure of a diesel engine. Background Art

[0002] A diesel engine is an engine that burns diesel to release energy. The injectors of the fuel supply system in a diesel engine spray fuel into the cylinder combustion chamber at extremely high pressure in a very short time. The diesel forms fine oil particles and mixes with high-pressure and high-temperature air. The combustible mixture burns on its own, expands violently to produce explosive force, and pushes the piston downward to do work. In order to prevent impurities in the air system from entering the diesel engine along with the air and affecting its normal use, the filter installed on the side of the intake pipe connected to the air intake box is very important.

[0003] However, when disassembling and assembling the filter installed in one side of the existing intake pipe, the process is rather cumbersome, time-consuming and labor-intensive, and it is inconvenient for maintenance personnel to disassemble and assemble the filter, thereby reducing the work efficiency of maintenance personnel. Secondly, the existing filter has poor stability and is easily removed from one side of the intake pipe when encountering bumps, thus affecting the use of the intake pipe and the air intake box. Utility Model Content

[0004] In order to solve the problem that the filter screen on one side of the intake pipe of the existing diesel engine is inconvenient to disassemble and assemble; the purpose of the utility model is to provide a debris device for the intake structure of the diesel engine.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a debris device for a diesel engine intake structure, comprising an air intake box, an air intake pipe is fixedly installed on one side of the surface of the air intake box, a fixing sleeve is fixedly installed on one end of the air intake pipe away from the air intake box, a filter screen is detachably installed in the fixing sleeve, a fixing device is detachably installed on one side of the fixing sleeve, the fixing device comprises a first positioning sleeve, a second positioning sleeve is detachably installed on one side of the first positioning sleeve, and evenly distributed positioning pieces are fixedly installed on one side of the fixing sleeve, the number of the positioning pieces is four, and the first positioning sleeve and the second positioning sleeve are respectively slidably clamped on adjacent ones. The two positioning parts on the side, one end of the two sides of the first positioning sleeve is fixedly installed with a rotating sleeve, the number of the rotating sleeves is two, the surfaces of the two rotating sleeves are sleeved with rotating rods, the rotating rods are rotatably installed on the surface of the rotating sleeve, the number of the rotating rods is two, and one end of the two rotating rods is fixedly installed with a positioning assembly, the positioning assembly includes a fixed cylinder, a positioning pin is installed on the bottom surface of the fixed cylinder, a sliding part is fixedly installed on the top of the positioning pin, the sliding part is slidably installed in the fixed cylinder, a return spring is fixedly installed on the top surface of the sliding part, and the positioning pin is slidably inserted in the second positioning sleeve through the sliding part and the return spring.

[0006] Preferably, a lifting member is fixedly mounted on one side of the surface of the sliding member, a lifting groove is provided on one side of the surface of the fixed cylinder, the lifting member is slidably mounted in the lifting groove, and the lifting member cooperates with the sliding member.

[0007] Preferably, one side of each of the first positioning sleeve and the second positioning sleeve is symmetrically provided with positioning slots, the positioning slots are slidably inserted on the surface of the positioning piece, and the positioning slots cooperate with the positioning piece.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. In the utility model, through the cooperation of the fixing sleeve, the fixing device and the positioning assembly, it is convenient to disassemble and assemble the filter installed in the fixing sleeve, clean or replace the filter, improve the disassembly and assembly speed of the filter, save time and labor, and improve the work efficiency of maintenance personnel;

[0010] 2. In the utility model, the filter screen is fixed in position by the sleeve matched with the fixing device, thereby increasing the firmness of the filter screen and preventing the existing filter screen from falling off from one side of the air intake pipe due to bumps, thereby affecting the use of the air intake pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 This is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 This is a schematic diagram of the exploded structure of the fixing device of the utility model.

[0014] Figure 3 For this utility model Figure 2 A magnified view of the structure in the middle.

[0015] Figure 4 This is a schematic diagram of the structure of the fixing device of the utility model in conjunction with the air intake pipe.

[0016] Figure 5 For this utility model Figure 4 The enlarged view of the structure at B in the middle.

[0017] Figure 6 This is a schematic diagram of the structure of the air intake pipe and the fixing sleeve of the utility model.

[0018] In the figure: 1. air intake box; 2. air intake pipe; 21. fixing sleeve; 22. positioning member; 23. fixing groove; 3. ventilation pipe; 4. filter; 5. fixing device; 51. first positioning sleeve; 511. rotating sleeve; 512. rotating rod; 52. second positioning sleeve; 53. positioning slot; 6. positioning assembly; 61. fixing cylinder; 611. positioning sleeve; 62. positioning pin; 621. positioning hole; 63. sliding member; 64. return spring; 65. pulling member; 651. pulling groove. DETAILED DESCRIPTION

[0019] 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.

[0020] Example: Figure 1-6 As shown, the utility model provides a debris device for the intake structure of a diesel engine, including an intake box 1, an intake pipe 2 is fixedly installed on one side of the surface of the intake box 1, a fixing sleeve 21 is fixedly installed on the end of the intake pipe 2 away from the intake box 1, a filter screen 4 is detachably installed in the fixing sleeve 21, a fixing device 5 is detachably installed on one side of the fixing sleeve 21, the fixing device 5 includes a first positioning sleeve 51, a second positioning sleeve 52 is detachably installed on one side of the first positioning sleeve 51, and evenly distributed positioning pieces 22 are fixedly installed on one side of the fixing sleeve 21, and the number of the positioning pieces 22 is four. The first positioning sleeve 51 and the second positioning sleeve 52 are respectively slidably clamped on the surfaces of two positioning pieces 22 on the adjacent side, and the first positioning sleeve A rotating sleeve 511 is fixedly installed at one end of both sides of 51, and there are two rotating sleeves 511. The surfaces of the two rotating sleeves 511 are sleeved with rotating rods 512. The rotating rods 512 are rotatably installed on the surface of the rotating sleeve 511. There are two rotating rods 512. A positioning assembly 6 is fixedly installed at one end of the two rotating rods 512. The positioning assembly 6 includes a fixed cylinder 61. A positioning latch 62 is installed on the bottom surface of the fixed cylinder 61. A sliding member 63 is fixedly installed on the top of the positioning latch 62. The sliding member 63 is slidably installed in the fixed cylinder 61. A return spring 64 is fixedly installed on the top surface of the sliding member 63. The positioning latch 62 is slidably inserted in the second positioning sleeve 52 through the sliding member 63 and the return spring 64.

[0021] With the cooperation of the fixing device 5 and the four positioning members 22 and the positioning assembly 6 installed on one side of the fixing sleeve 21, the filter screen 4 is installed in the fixing sleeve 21 installed at one end of the air intake pipe 2 for fixing, and the gas entering the air intake pipe 2 is filtered through the filter screen 4. When the filter screen 4 needs to be disassembled, with the cooperation of the lifting member 65, the sliding member 63 and the return spring 64, the two positioning pins 62 inserted in the two sides of the second positioning sleeve 52 are taken out from the second positioning sleeve 52. After being taken out, with the cooperation of the rotating sleeve 511, The fixing cylinder 61 is controlled by the rotating rod 512 to rotate the positioning assembly 6 away from the second positioning sleeve 52, thereby completing the separation of the second positioning sleeve 52 and the first positioning sleeve 51. After the separation is completed, the first positioning sleeve 51 and the second positioning sleeve 52 are removed from one side of the fixing sleeve 21 to complete the disassembly of the filter screen 4. Through the cooperation of the fixing sleeve 21, the fixing device 5 and the positioning assembly 6, it is convenient to disassemble and assemble the filter screen 4 installed in the fixing sleeve 21, clean or replace the filter screen 4, improve the disassembly and assembly speed of the filter screen 4, and save time and effort.

[0022] A lifting member 65 is fixedly installed on one side of the surface of the sliding member 63, and a lifting groove 651 is opened on one side of the surface of the fixed tube 61. The lifting member 65 is slidably installed in the lifting groove 651. The lifting member 65 cooperates with the sliding member 63, and the lifting groove 651 assists the lifting member 65 to slide, controls the positioning pin 62 installed at the bottom end of the sliding member 63 to be inserted and removed in the second positioning sleeve 52, and protects the lifting member 65 through the lifting groove 651.

[0023] One side of the first positioning sleeve 51 and the second positioning sleeve 52 are symmetrically provided with positioning slots 53, which are slidably inserted into the surface of the positioning piece 22, and the positioning slots 53 cooperate with the positioning piece 22. The fixing device 5 is fixed to one side of the fixing sleeve 21 by cooperating with the four positioning pieces 22 through the two positioning slots 53 respectively opened on one side of the first positioning sleeve 51 and the second positioning sleeve 52.

[0024] A ventilation pipe 3 is fixedly installed on the surface of the air intake box 1 at one end away from the air intake pipe 2. The ventilation pipe 3 cooperates with the air intake box 1 to transmit suction to the inside of the air intake box 1 through the ventilation pipe 3. When used in conjunction with the air intake box 1, positioning sleeves 611 are fixedly installed on both sides of the second positioning sleeve 52. The fixing cylinder 61 and the positioning sleeve 611 cooperate with each other. The positioning sleeve 611 completes the rotation of the positioning component 6 and limits the position in the fixing cylinder 61, so that the positioning pin 62 is just inserted into the positioning hole 621 of the second positioning sleeve 52, thereby improving the fixing speed of the positioning component 6 to the fixing device 5.

[0025] Positioning holes 621 are provided on both sides of the second positioning sleeve 52, and one side of the positioning sleeve 611. The positioning pins 62 are slidably inserted in the positioning holes 621. The positioning holes 621 cooperate with the positioning pins 62. There are two positioning holes 621. The corresponding positioning pins 62 are inserted and limited in the second positioning sleeve 52 through the two positioning holes 621. A fixing groove 23 is provided in one side of the fixing sleeve 21. The filter screen 4 is slidably inserted in the fixing groove 23. The filter screen 4 is limited and fixed in the fixing sleeve 21 through the fixing groove 23, and is used in conjunction with the intake pipe 2.

[0026] Working principle: With the cooperation of the four positioning members 22 and the positioning assembly 6 installed on one side of the fixing device 5 and the fixing sleeve 21, the filter screen 4 is installed in the fixing sleeve 21 installed at one end of the intake pipe 2 for fixing, and the gas entering the intake pipe 2 is filtered through the filter screen 4. When the filter screen 4 needs to be disassembled, with the cooperation of the lifting member 65, the sliding member 63 and the return spring 64, the two positioning pins 62 inserted in the two sides of the second positioning sleeve 52 are taken out from the second positioning sleeve 52. After taking out, with the cooperation of the rotating sleeve 511, the fixing cylinder 61 is controlled by the rotating rod 512 to rotate the positioning assembly 6 away from the second positioning sleeve 52, so as to complete the separation of the second positioning sleeve 52 and the first positioning sleeve 51. After the separation is completed, the first positioning sleeve 51 and the second positioning sleeve 52 are removed from one side of the fixing sleeve 21 to complete the disassembly of the filter screen 4.

[0027] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A debris device for a diesel engine air intake structure, comprising an air intake box (1), characterized in that: An air intake pipe (2) is fixedly mounted on one side of the surface of the air intake box (1); a fixing sleeve (21) is fixedly mounted on one end of the air intake pipe (2) away from the air intake box (1); a filter screen (4) is detachably mounted in the fixing sleeve (21); a fixing device (5) is detachably mounted on one side of the fixing sleeve (21); the fixing device (5) comprises a first positioning sleeve (51); a second positioning sleeve (52) is detachably mounted on one side of the first positioning sleeve (51); One side of the fixed sleeve (21) is fixedly mounted with uniformly distributed positioning pieces (22), the number of the positioning pieces (22) being four, the first positioning sleeve (51) and the second positioning sleeve (52) being respectively slidably mounted on the surfaces of two positioning pieces (22) on one adjacent side, one end of both sides of the first positioning sleeve (51) being fixedly mounted with a rotating sleeve (511), the number of the rotating sleeves (511) being two, the surfaces of the two rotating sleeves (511) being both sleeved with a rotating rod (512), the rotating rod (512) being rotatably mounted on the surface of the rotating sleeve (511), the rotating rod (512) being 2) is two in number, one end of each of the two rotating rods (512) is fixedly mounted with a positioning assembly (6), the positioning assembly (6) comprises a fixed cylinder (61), a positioning latch (62) is mounted on the inner bottom surface of the fixed cylinder (61), a sliding member (63) is fixedly mounted on the top of the positioning latch (62), the sliding member (63) is slidably mounted in the fixed cylinder (61), a return spring (64) is fixedly mounted on the top surface of the sliding member (63), and the positioning latch (62) is slidably inserted into the second positioning sleeve (52) through the sliding member (63) and the return spring (64).

2. A debris device for a diesel engine air intake structure as claimed in claim 1, characterized in that: A lifting member (65) is fixedly mounted on one side of the surface of the sliding member (63), a lifting groove (651) is provided on one side of the surface of the fixed cylinder (61), the lifting member (65) is slidably mounted in the lifting groove (651), and the lifting member (65) and the sliding member (63) cooperate with each other.

3. A debris device for a diesel engine air intake structure as claimed in claim 1, characterized in that: One side of each of the first positioning sleeve (51) and the second positioning sleeve (52) is symmetrically provided with a positioning slot (53), and the positioning slot (53) is slidably inserted on the surface of the positioning piece (22), and the positioning slot (53) and the positioning piece (22) cooperate with each other.

4. A debris device for a diesel engine air intake structure as claimed in claim 1, characterized in that: A ventilation pipe (3) is fixedly mounted on one end of the surface of the air intake box (1) away from the air intake pipe (2), and the ventilation pipe (3) and the air intake box (1) cooperate with each other.

5. A debris device for a diesel engine air intake structure as claimed in claim 1, characterized in that: Positioning sleeves (611) are fixedly mounted on both sides of the second positioning sleeve (52), and the fixing cylinder (61) and the positioning sleeves (611) cooperate with each other.

6. A debris device for a diesel engine air intake structure as claimed in claim 5, characterized in that: The second positioning sleeve (52) is provided with positioning holes (621) on both sides of the positioning sleeve (611), and the positioning pin (62) is slidably inserted in the positioning hole (621), and the positioning hole (621) and the positioning pin (62) cooperate with each other.

7. A debris device for a diesel engine air intake structure as claimed in claim 1, characterized in that: A fixing groove (23) is provided in one side of the fixing sleeve (21), and the filter screen (4) is slidably mounted in the fixing groove (23).

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