Flow sensor convenient to install

Abstract

The utility model relates to the technical field of flow sensor installation, and discloses a flow sensor convenient to install, which comprises a measuring cylinder, the left end and the right end of the outer wall of the measuring cylinder are both fixedly connected with connecting shells, the outer walls of the two connecting shells are both provided with clamping grooves, and the sides, away from each other, of the two connecting shells are both provided with limiting grooves. A plurality of sliding grooves are formed in the interior of the measuring cylinder, sliding blocks are slidably connected to the interiors of the sliding grooves, filtering cylinders are fixedly connected between the adjacent sliding blocks, external pipelines are arranged in the two connecting shells, and mounting holes are formed in the outer walls of the two external pipelines. According to the utility model, the buckle is aligned with the limiting groove on the connecting shell for insertion, and then the buckle is clamped into the clamping groove in a rotating manner, so that the installation work can be quickly completed, and the heat absorption and heat dissipation effects can be well achieved through the heat conduction silica gel, the heat conduction sheet and the copper pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of flow sensor installation, in particular to a flow sensor which is easy to install. Background Art

[0002] The air flow sensor is a device that measures the air flow rate of the engine. In order to ensure the best mixture concentration under various working conditions, the amount of air inhaled at each moment must be accurately measured, which is the main basis for the ECU to calculate the injection amount. If the sensor or circuit fails, the ECU cannot receive the correct intake signal, resulting in abnormal fuel injection control, causing the mixture to be too rich or too lean, affecting the normal operation of the engine.

[0003] Traditional flow sensors are installed by welding and cannot be disassembled after installation. Replacement requires a lot of time and is very inconvenient. Therefore, a flow sensor that is easy to install is proposed to solve the above problems. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a flow sensor that is easy to install, aiming to improve the problem in the prior art that the flow sensor cannot be disassembled after installation and the replacement takes a long time.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a flow sensor which is easy to install, comprises a measuring cylinder, the left and right ends of the outer wall of the measuring cylinder are fixedly connected with a connecting shell, the outer walls of the two connecting shells are provided with a card groove, the two connecting shells have a limiting groove on the opposite side, the interior of the measuring cylinder is provided with a plurality of sliding grooves, the interiors of the plurality of sliding grooves are slidably connected with sliders, the adjacent plurality of sliders are fixedly connected with filter cylinders, the interiors of the two connecting shells are provided with external pipes, the outer walls of the two external pipes are provided with mounting holes, the interiors of the plurality of mounting holes are slidably connected with buckles, the adjacent ends of the plurality of buckles are fixedly connected with springs, the outer wall of the measuring cylinder is provided with a signal receiver, and the outer wall of the measuring cylinder is provided with a heat dissipation mechanism.

[0006] As a further description of the above technical solution:

[0007] The heat dissipation mechanism includes two thermally conductive silicone rubbers, the inner walls of the two thermally conductive silicone rubbers are fixedly connected to the outer wall of the measuring tube, a plurality of thermally conductive sheets are fixedly connected to the interior of the two thermally conductive silicone rubbers, copper tubes are fixedly connected between adjacent thermally conductive sheets, a protective shell is installed on the outer wall of the measuring tube, the outer wall of the protective shell is connected to a heat dissipation box, and a fan is fixedly connected to the front side of the heat dissipation box.

[0008] As a further description of the above technical solution:

[0009] The outer walls of the two external pipes are both fixedly connected with sealing rings.

[0010] As a further description of the above technical solution:

[0011] The left side of the heat dissipation box is fixedly connected with a switch box, and the left side of the switch box is rotatably connected with a dust cover.

[0012] As a further description of the above technical solution:

[0013] The switch box is electrically connected to the fan and the signal receiver respectively.

[0014] As a further description of the above technical solution:

[0015] A plurality of air outlets are provided on the rear side of the heat dissipation box.

[0016] As a further description of the above technical solution:

[0017] The top of the heat dissipation box is slidably connected with a filter plate.

[0018] As a further description of the above technical solution:

[0019] A handle is fixedly connected to the top of the filter plate.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, the buckle is aligned with the limit slot on the connecting shell, and then the buckle is engaged into the slot by rotating, so that the installation work can be completed quickly. When disassembling, it is only necessary to press the buckle to disengage it from the slot and finally pull it out.

[0022] 2. In the utility model, the heat-conducting silica gel, the heat-conducting sheet and the copper tube can achieve good heat absorption and heat dissipation effects, the protective shell can protect the measuring tube from collision, and the service life of the measuring tube can be increased. The fan can accelerate the heat dissipation speed of the measuring tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional schematic diagram of a flow sensor that is easy to install proposed by the utility model;

[0024] Figure 2 This is a disassembled diagram of the flow sensor that is easy to install proposed by the utility model;

[0025] Figure 3 This is a schematic structural diagram of a heat dissipation device for a flow sensor that is easy to install and is proposed by the utility model.

[0026] Legend:

[0027] 1. Measuring tube; 2. Heat dissipation mechanism; 201. Thermal conductive silicone; 202. Thermal conductive sheet; 203. Copper tube; 204. Protective shell; 205. Heat dissipation box; 206. Fan; 207. Switch box; 208. Dust cover; 209. Air outlet; 210. Filter plate; 211. Handle; 3. Connecting shell; 4. Slot; 5. Limiting slot; 6. Slide; 7. Slider; 8. Filter tube; 9. Signal receiver; 10. External pipe; 11. Mounting hole; 12. Spring; 13. Buckle; 14. Sealing ring. DETAILED DESCRIPTION

[0028] 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.

[0029] Reference Figure 1 , Figure 2 and Figure 3 The utility model provides an embodiment of a flow sensor that is easy to install, including a measuring cylinder 1, the left and right ends of the outer wall of the measuring cylinder 1 are fixedly connected with a connecting shell 3, the outer walls of the two connecting shells 3 are provided with a card slot 4, the two connecting shells 3 are provided with a limiting slot 5 on the side away from each other, the interior of the measuring cylinder 1 is provided with a plurality of slide grooves 6, the interiors of the plurality of slide grooves 6 are slidably connected with sliders 7, and the adjacent plurality of sliders 7 are fixedly connected with filter cylinders 8, the interiors of the two connecting shells 3 are provided with external pipes 10, the outer walls of the two external pipes 10 are provided with mounting holes 11, the interiors of the plurality of mounting holes 11 are slidably connected with buckles 13, and the adjacent ends of the plurality of buckles 13 are fixedly connected with springs 12, the outer wall of the measuring cylinder 1 is provided with a signal receiver 9, the outer wall of the measuring cylinder 1 is provided with a heat dissipation mechanism 2, and the outer walls of the two external pipes 10 are fixedly connected with sealing rings 14.

[0030] Specifically, a connecting shell 3 is fixed at both ends of the measuring cylinder 1, a slot 4 is provided on the outer wall of the connecting shell 3, and a plurality of slide grooves 6 are provided on the inner wall of the measuring cylinder 1. The filter cylinder 8 is inserted into the slide groove 6, and then the slider 7 is used for limiting the position, so that when the gas is detected, it can be more accurate and at the same time, pollutants are prevented from affecting the signal receiver 9. When the external pipe 10 is inserted into the measuring cylinder 1, a plurality of mounting holes 11 are provided on the outer wall of the external pipe 10, and buckles 13 are installed inside the mounting holes 11. A spring 12 is installed between the buckle 13 and the mounting hole 11, and the buckle 12 is aligned with the limiting slot 5 on the connecting shell 3, and then the buckle 13 is engaged in the slot 4 by rotation, so that the installation work can be completed quickly. When disassembling, it is only necessary to press the buckle 13 to disengage it from the slot 4, and finally pull it out.

[0031] Reference Figure 1 , Figure 2 and Figure 3 The heat dissipation mechanism 2 includes two thermally conductive silicone rubbers 201, the inner walls of the two thermally conductive silicone rubbers 201 are fixedly connected to the outer wall of the measuring tube 1, a plurality of thermally conductive sheets 202 are fixedly connected inside the two thermally conductive silicone rubbers 201, and copper tubes 203 are fixedly connected between adjacent thermally conductive sheets 202. A protective shell 204 is installed on the outer wall of the measuring tube 1, and the outer wall of the protective shell 204 is connected to a heat dissipation box 205, and a fan 206 is fixedly connected to the front side of the heat dissipation box 205.

[0032] Specifically, a variety of heat-conducting components are fixed on the outer wall of the measuring tube 1, including heat-conducting silica gel 201, heat-conducting sheet 202 and copper tube 203, all of which have good heat absorption and heat dissipation effects. A protective shell 204 is installed on the outer wall of the measuring tube 1, and the protective shell 204 can be used to protect the measuring tube 1 from collision, thereby improving the service life of the measuring tube 1. A heat dissipation box 205 is connected to the outer wall of the protective shell 204, and a fan 206 is installed on the front side of the heat dissipation box 205, and the fan 206 can accelerate the heat dissipation speed of the measuring tube 1.

[0033] Reference Figure 1 and Figure 2 A switch box 207 is fixedly connected to the left side of the heat sink 205, and a dust cover 208 is rotatably connected to the left side of the switch box 207. The switch box 207 is electrically connected to the fan 206 and the signal receiver 9 respectively. A plurality of air outlets 209 are provided on the rear side of the heat sink 205. A filter plate 210 is slidably connected to the top of the heat sink 205, and a handle 211 is fixedly connected to the top of the filter plate 210.

[0034] Specifically, the dust cover 208 can prevent dust from falling into the switch box 207, and the switch box 207 can be used to conveniently control the fan 206 and the signal receiver 9 on the entire device. The hot air can be directly discharged through the air outlet 209, and the filter plate 210 can prevent dust from falling into it, so that the internal cleanliness of the protective shell 204 can be improved.

[0035] Working principle: First, when installing the pipeline, a connecting shell 3 is fixed at both ends of the measuring tube 1, a card slot 4 is opened on the outer wall of the connecting shell 3, and a plurality of slide grooves 6 are opened on the inner wall of the measuring tube 1. The filter tube 8 is inserted into it through the slide groove 6, and then the slider 7 is used for limiting processing. In this way, when detecting the gas, it can be more accurate and avoid the influence of pollutants on the signal receiver 9. After the external pipe 10 is inserted into the measuring tube 1, a plurality of mounting holes 11 are opened on the outer wall of the external pipe 10, a buckle 13 is installed inside the mounting hole 11, a spring 12 is installed between the buckle 13 and the mounting hole 11, the buckle 12 is aligned with the limit groove 5 on the connecting shell 3, and then the buckle 13 is engaged into the slot 4 by rotation, so that the installation work can be completed quickly. When disassembling, it is only necessary to press the buckle 13 to disengage it from the slot 4, and finally pull it out. In addition, a variety of heat-conducting components are fixed on the outer wall of the measuring tube 1, including heat-conducting silica gel 201, heat-conducting sheet 202 and copper tube 203, which all have good heat absorption and heat dissipation effects. A protective shell 204 is installed on the outer wall of the measuring tube 1, and the measuring tube 1 can be protected from collision by the protective shell 204, thereby improving the service life of the measuring tube 1. The outer wall of the protective shell 204 is connected to a heat dissipation box 205 , and a fan 206 is installed on the front side of the heat dissipation box 205 . The fan 206 can accelerate the heat dissipation speed of the measuring tube 1 .

[0036] 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 flow sensor that is easy to install, comprising a measuring tube (1), characterized in that: The left and right ends of the outer wall of the measuring cylinder (1) are fixedly connected to a connecting shell (3), the outer walls of the two connecting shells (3) are provided with a clamping groove (4), and the two connecting shells (3) are provided with a limiting groove (5) on the side away from each other. The interior of the measuring cylinder (1) is provided with a plurality of sliding grooves (6), and the interiors of the plurality of sliding grooves (6) are slidably connected with a slider (7), and the adjacent plurality of sliders (7) are fixedly connected with a filter cylinder (8), and the interiors of the two connecting shells (3) are provided with an external pipe (10), and the outer walls of the two external pipes (10) are provided with a mounting hole (11), and the interiors of the plurality of mounting holes (11) are slidably connected with a buckle (13), and the adjacent ends of the plurality of buckles (13) are fixedly connected with a spring (12), and the outer wall of the measuring cylinder (1) is provided with a signal receiver (9), and the outer wall of the measuring cylinder (1) is provided with a heat dissipation mechanism (2).

2. The flow sensor that is easy to install according to claim 1, characterized in that: The heat dissipation mechanism (2) comprises two heat-conducting silica gels (201), the inner walls of the two heat-conducting silica gels (201) are fixedly connected to the outer wall of the measuring tube (1), a plurality of heat-conducting sheets (202) are fixedly connected inside the two heat-conducting silica gels (201), copper tubes (203) are fixedly connected between adjacent heat-conducting sheets (202), a protective shell (204) is installed on the outer wall of the measuring tube (1), the outer wall of the protective shell (204) is connected to a heat dissipation box (205), and a fan (206) is fixedly connected to the front side of the heat dissipation box (205).

3. The flow sensor that is easy to install according to claim 1, characterized in that: The outer walls of the two external pipes (10) are both fixedly connected with sealing rings (14).

4. The flow sensor that is easy to install according to claim 2, characterized in that: The left side of the heat dissipation box (205) is fixedly connected to a switch box (207), and the left side of the switch box (207) is rotatably connected to a dust cover (208).

5. The flow sensor that is easy to install according to claim 4, characterized in that: The switch box (207) is electrically connected to the fan (206) and the signal receiver (9) respectively.

6. The flow sensor that is easy to install according to claim 2, characterized in that: The rear side of the heat dissipation box (205) is provided with a plurality of air outlets (209).

7. The flow sensor that is easy to install according to claim 2, characterized in that: A filter plate (210) is slidably connected to the top of the heat dissipation box (205).

8. The flow sensor that is easy to install according to claim 7, characterized in that: A handle (211) is fixedly connected to the top of the filter plate (210).

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