Self-cleaning type blowback air filter wind resistance switch induction device for vehicle

Abstract

The utility model relates to the field of switch induction devices, and discloses a vehicle self-cleaning type blowback air filter wind resistance switch induction device which comprises a main body, an induction proximity switch is fixedly arranged on one side of the main body, a hinge is fixed to the inner top face of the main body in a threaded mode, and a wind resistance elastic piece is fixed to the other side of the upper end face of the hinge in a threaded mode. Three elastic sheet wind resistance adjusting buckles are fixedly arranged on one side of the upper end face of the wind resistance elastic sheet, an adjusting spring is arranged in one of the three elastic sheet wind resistance adjusting buckles in a clamped mode, the body comprises a fixing sheet, and a mounting support is fixedly arranged on one side of the front end face of the fixing sheet. In the utility model, when in use, the wind resistance sensing device is arranged in the air inlet channel of the blowback air filter and is connected with a computer, the wind resistance elastic sheet balances the air velocity and the resistance of the elastic sheet through the spring, when the acting force of the wind resistance is greater than the tension of the spring, the elastic sheet is separated from the proximity switch, and the computer waits for an electric signal sent by the proximity switch; and reverse blowing action is not performed.

Description

Technical Field

[0001] This utility model relates to the field of switch sensing devices, and in particular to a self-cleaning backflush air filter wind resistance switch sensing device for automobiles. Background Technology

[0002] Automotive backflush filters specifically refer to the backflush cleaning technology in the air filtration systems of vehicles such as cars, trucks, and construction machinery. The purpose of this type of filter is to efficiently intercept impurities such as dust and sand in the air, while also having self-cleaning capabilities to extend the life of the filter element. It is suitable for vehicles operating in dusty or harsh environments.

[0003] When a backflushing air filter is used in equipment, because the timed backflushing is from the inside out, the engine will have a large intake air volume at high speeds. At this time, the backflushing and the engine intake air will counteract each other, greatly reducing the dust removal effect of the air filter backflushing. In addition, the dust that has just been blown out will be instantly sucked back into the original air filter, thus reducing the backflushing efficiency.

[0004] Therefore, those skilled in the art have provided a self-cleaning backflushing air filter resistance switch sensing device for automobiles to solve the problems mentioned in the background art. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a self-cleaning backflushing air filter wind resistance switch sensing device for vehicles. The wind resistance spring and the proximity switch are separated. The computer waits for the electrical signal from the proximity switch and does not perform a backflushing action. After the wind resistance decreases, the wind resistance spring returns to its original position, and the proximity switch releases an electrical signal to the computer board to cause the pulse valve to backflush.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a vehicle self-cleaning backflush air filter wind resistance switch sensing device, comprising a main body, a proximity switch fixedly disposed on one side of the main body, a hinge threadedly fixed on the inner top surface of the main body, a wind resistance spring fixedly threaded on the other side of the upper end face of the hinge, three spring wind resistance adjustment buckles fixedly disposed on one side of the upper end face of the wind resistance spring, and an adjustment spring being internally engaged in one of the three spring wind resistance adjustment buckles;

[0007] The main body includes a fixing plate, a mounting bracket is fixedly installed on one side of the front end face of the fixing plate, a mounting block is fixedly installed on the upper end face of the mounting bracket, fixing plates are fixedly installed on both sides of the upper end face of the fixing plate, and a mounting plate is fixedly installed on one side of the fixing plate.

[0008] Furthermore, two fixing screws are threaded on both sides of the upper end face of the hinge, and the four fixing screws are respectively threaded on the wind resistance spring and the upper end of the main body.

[0009] Further, the other side of the upper end face of the air resistance elastic sheet is fixedly provided with a close elastic sheet.

[0010] Further, the lower part of the front end face of the fixed sheet is fixedly provided with a first stop block.

[0011] Further, one side of the upper end face of the fixed sheet is fixedly provided with a second stop block.

[0012] Further, the upper end face of the two fixed plates is provided with a fixed hole.

[0013] Further, the material of the main body is stainless steel.

[0014] Further, one side of the mounting plate is provided with two mounting holes.

[0015] The utility model has the following beneficial effects:

[0016] 1. The air resistance elastic sheet is balanced by the spring according to the air flow rate and the elastic sheet resistance, when the force of the air resistance is greater than the spring tension, the elastic sheet is separated from the sensing proximity switch, at this time, the computer waits for the electric signal sent by the sensing proximity switch, and no back blowing action is performed, when the engine speed decreases, the flow rate in the air inlet channel decreases, the air resistance elastic sheet returns to the sensing proximity switch, the sensing proximity switch releases the electric signal to the computer board, and the computer board supplies power to the pulse valve after receiving the signal, so that the pulse valve is back blown once.

[0017] 2. The air resistance elastic sheet can be rotated, the air resistance elastic sheet can move away from the sensing proximity switch during rotation, the three elastic sheet air resistance adjusting buckles are fixed to the upper end of the air resistance elastic sheet, and the adjusting spring and the different elastic sheet air resistance adjusting buckles can make the air resistance elastic sheet rotate under different air resistances. DRAWINGS

[0018] Figure 1 It is a front view of the utility model;

[0019] Figure 2 It is a rear view of the utility model;

[0020] Figure 3 It is a bottom view of the utility model;

[0021] Figure 4 It is a top view of the utility model.

[0022] LEGEND:

[0023] 1, the main body; 2, inductive proximity switch; 3, hinge; 4, wind resistance spring piece; 5, fixing screw; 6, spring piece wind resistance adjusting buckle; 7, adjusting spring; 8, close spring piece; 101, fixed piece; 102, first stop block; 103, second stop block; 104, mounting plate; 105, mounting hole; 106, fixed plate; 107, fixed hole; 108, mounting bracket; 109, mounting block. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] Referring to Figures 1-4 The utility model provides an embodiment: a kind of self-cleaning type backflushing air filter wind resistance switch sensing device for vehicle, including main body 1, main body 1 side is fixedly arranged with inductive proximity switch 2, the top surface of main body 1 is fixed with hinge 3, the upper end surface of hinge 3 other side is fixed with wind resistance spring piece 4 with screw thread, three spring piece wind resistance adjusting buckles 6 are fixedly arranged on the upper end surface of wind resistance spring piece 4 side, adjusting spring 7 is arranged in one of three spring piece wind resistance adjusting buckles 6 with clamping, two fixed screws 5 are threadedly covered with screw thread on the upper end surface of hinge 3 both sides, four fixed screws 5 are respectively threadedly covered on wind resistance spring piece 4 and the upper end of main body 1, close spring piece 8 is fixedly arranged on the upper end surface other side of wind resistance spring piece 4, the material used by main body 1 is stainless steel.

[0026] Specifically, the wind resistance sensing device needs to be placed inside the back-blowing air filter intake passage during use. The main body 1 of the wind resistance sensing device can be fixed with the back-blowing air filter intake passage. The inner top surface of the main body 1 is fixed with the hinge 3 through the fixing screw 5. The other side of the hinge 3 is connected with the wind resistance spring piece 4 through the fixing screw 5. After the air enters the back-blowing air filter intake passage, the wind resistance spring piece 4 can move downward at the front end of the main body 1. When the wind resistance spring piece 4 moves downward, the sensing proximity switch 2 close to the spring piece 8 away from the main body 1 can be moved. The sensing proximity switch 2 needs to be connected with the computer during use. When the sensing proximity switch 2 close to the spring piece 8 away from the sensing proximity switch 2, the computer will wait for the electric signal sent by the sensing proximity switch 2, and will not perform back-blowing. The upper end of the wind resistance spring piece 4 is fixed with three spring piece wind resistance adjusting buckles 6. The spring piece wind resistance adjusting buckles 6 can be connected with the adjusting spring 7. When the wind resistance in the back-blowing air filter intake passage becomes small, the adjusting spring 7 can make the wind resistance spring piece 4 return to the original position. At this time, the sensing proximity switch 2 will release the electric signal to the computer. After the computer receives the electric signal, it will supply power to the pulse valve to perform back-blowing once. When the adjusting spring 7 is connected with different spring piece wind resistance adjusting buckles 6, the wind resistance spring piece 4 can rotate under different wind resistances.

[0027] Referring to Figure 2 , Figure 3 , the main body 1 comprises a fixed sheet 101. The fixed sheet 101 is fixedly provided with a mounting bracket 108 on one side of the front end surface. The mounting bracket 108 is fixedly provided with a mounting block 109 on the upper end surface. The fixed sheet 101 is fixedly provided with a fixed plate 106 on each of the two sides of the upper end surface. The fixed sheet 101 is fixedly provided with a mounting plate 104 on one side. The fixed sheet 101 is fixedly provided with a first stop block 102 on the lower part of the front end surface. The fixed sheet 101 is fixedly provided with a second stop block 103 on one side of the upper end surface. The upper end surface of each of the two fixed plates 106 is provided with a fixed hole 107. One side of the mounting plate 104 is provided with two mounting holes 105.

[0028] Specifically, the main body 1 can be connected with the back-blowing air filter intake passage. The main structure of the main body 1 comprises a fixed sheet 101. The lower part of the front end of the fixed sheet 101 is provided with a first stop block 102, which can limit the downward rotating position of the wind resistance spring piece 4. The upper end of the fixed sheet 101 is fixedly provided with a second stop block 103, which can limit the upward rotating position of the wind resistance spring piece 4. The mounting bracket 108 provided on one side of the front end of the fixed sheet 101 can be connected with the hinge 3 through the fixing screw 5. The mounting block 109 fixed on the upper end of the mounting bracket 108 can be connected with the adjusting spring 7, so that the adjusting spring 7 can make the wind resistance spring piece 4 return to the original position. The two fixed plates 106 fixed on the upper end of the fixed sheet 101 can be connected with the back-blowing air filter intake passage through the fixed holes 107. The mounting plate 104 fixed on one side of the fixed sheet 101 can be fixed with the sensing proximity switch 2 through the mounting holes 105.

[0029] Working principle: the main body 1 is fixed through the fixing screw 5 and the hinge 3, the other side of the hinge 3 is connected with the wind resistance elastic sheet 4, after the air enters the air inlet channel inside the reverse blowing air filter, the wind resistance between the wind and the wind resistance elastic sheet 4 is generated, the wind resistance can make the wind resistance elastic sheet 4 move at the front end of the main body 1;

[0030] When the wind resistance elastic sheet 4 moves downwards, the sensing proximity switch 2 which is close to the elastic sheet 8 and is threadedly connected with the main body 1 is separated, the sensing proximity switch 2 needs to be connected with the computer when in use, the computer waits for the electric signal sent by the sensing proximity switch 2 when the elastic sheet 8 is separated from the sensing proximity switch 2, and does not make the reverse blowing action.

[0031] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or makes equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A self-cleaning backflushing air filter resistance switch induction device for vehicles, comprising a main body (1), characterized in that: The body (1) one side is provided with induction proximity switch (2), the body (1) inside top surface is fixed with hinge (3), the hinge (3) upper end surface other side is fixed with wind resistance elastic sheet (4), the wind resistance elastic sheet (4) upper end surface one side is fixed with three elastic sheet wind resistance adjusting buckle (6), three the elastic sheet wind resistance adjusting buckle (6) one of inside is provided with adjusting spring (7); The body (1) includes a fixing sheet (101), the fixing sheet (101) is provided with a mounting bracket (108) on one side of the front end surface, the mounting bracket (108) is provided with a mounting block (109) on the upper end surface, the fixing sheet (101) is provided with a fixing plate (106) on both sides of the upper end surface, and the fixing sheet (101) is provided with a mounting plate (104) on one side.

2. A self-cleaning backflushing air filter resistance switch induction device for vehicles as claimed in claim 1, wherein: The hinge (3) is provided with two fixed screws (5) on both sides of the upper end surface, and the four fixed screws (5) are respectively screwed on the wind resistance elastic sheet (4) and the upper end of the body (1).

3. A self-cleaning backflushing air filter resistance switch sensing device for a vehicle as defined in claim 1, wherein: The wind resistance elastic sheet (4) is provided with a close elastic sheet (8) on the other side of the upper end surface.

4. A self-cleaning backflushing air filter resistance switch sensing device for vehicles as defined in claim 1, wherein: The fixing sheet (101) is provided with a first stop block (102) on the lower part of the front end surface.

5. A self-cleaning backflushing air filter resistance switch sensing device for vehicles as defined in claim 1, wherein: The fixing sheet (101) is provided with a second stop block (103) on one side of the upper end surface.

6. A self-cleaning backflushing air filter resistance switch sensing device for vehicles as defined in claim 1, wherein: The upper end surface of the two fixing plates (106) is provided with a fixing hole (107).

7. A self-cleaning backflushing air filter resistance switch sensing device for vehicles as defined in claim 1, wherein: The material of the body (1) is stainless steel.

8. A self-cleaning backflushing air filter resistance switch sensing device for vehicles as defined in claim 1, wherein: The mounting plate (104) is provided with two mounting holes (105) on one side.

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