Automobile cylinder cover air tightness detection device

Abstract

The utility model provides an automobile cylinder cover air tightness detection device, which relates to the technical field of automobile cylinder cover processing detection and comprises a shell mechanism, a detection mechanism and an air pressure mechanism. The detection mechanism comprises two telescopic rods and a rotating shaft, fixing blocks are fixedly installed at the telescopic ends of the two telescopic rods, protective pads are fixedly installed at the bottoms of the two fixing blocks, and connecting blocks are fixedly installed on the opposite sides of the two fixing blocks. According to the utility model, the rubber layer is arranged on the outer surface wall of the cylinder cover body, the bolts are in threaded connection with the mounting block and the detection box body, the rubber layer is fixed, and the glass plate is arranged on the outer surface wall of the rubber layer, so that if small gas leakage occurs, the rubber layer is blown to the inner wall of the glass plate along with gas, and the glass plate is prevented from being damaged after friction for a period of time. When gas leakage occurs, static electricity can be generated, so that the gas leakage is adsorbed on the glass plate, and when large gas leakage occurs, the gas pressure detection column is used for detection, thereby facilitating improvement of data accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile cylinder head processing and detection, in particular to an automobile cylinder head air tightness detection device. Background Art

[0002] The automobile cylinder head is an important part of the automobile engine. It is located on the upper part of the cylinder and together with the cylinder block and the piston, it forms the combustion chamber. Its main functions include sealing the cylinder, dissipating heat, and forming the combustion chamber. During production and use, its airtightness needs to be tested.

[0003] In the prior art, when testing the air tightness of automobile cylinder heads, there is a problem of limited detection accuracy. Some devices may not be sensitive enough when detecting tiny leaks, resulting in some potential air tightness problems not being discovered in time. When using air pressure testing, if the pressure is not properly controlled, it may cause the cylinder head to rupture or parts to fly out, posing certain safety hazards. Utility Model Content

[0004] The utility model mainly provides an automobile cylinder head air tightness detection device with high detection accuracy and safe detection.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automobile cylinder head air tightness detection device, comprising: a shell mechanism, a detection mechanism and an air pressure mechanism; the detection mechanism comprises two telescopic rods and a rotating shaft, the telescopic ends of the two telescopic rods are fixedly installed with fixed blocks, the bottoms of the two fixed blocks are fixedly installed with protective pads, the opposite sides of the two fixed blocks are fixedly installed with connecting blocks, the opposite sides of the two connecting blocks are fixedly installed with a detection base, the bottom of the detection base is fixedly installed with an air pressure detection column, the outer wall of the rotating shaft is fixedly installed with a glass plate, the inner wall of the glass plate is fixedly connected to a rubber layer, both ends of the rubber layer are fixedly connected to the mounting blocks, bolts are inserted through the insides of the two mounting blocks, and the bolts are threadedly connected to the mounting blocks.

[0006] Preferably, the housing mechanism comprises a detection box, a hinge is fixedly mounted on one side of the detection box, a door panel is fixedly mounted on one end of the hinge, and the door panel is snap-connected with the detection box.

[0007] Preferably, a viewing window is fixedly provided inside the door panel, reinforcing ribs are fixedly installed on the front side of the door panel, and a rotating groove is provided inside the detection box.

[0008] Preferably, the pneumatic mechanism comprises a cylinder head body and a mounting plate, and an air pump is fixedly mounted on the top of the mounting plate.

[0009] Preferably, the output end of the air pump is fixedly connected to the air outlet pipe, the input end of the air pump is fixedly connected to the air inlet pipe, and control valves are fixedly arranged on the outer walls of the air inlet pipe and the air outlet pipe.

[0010] Preferably, the top of the telescopic rod is fixedly connected to the top inner wall of the detection box, the rotating shaft is arranged inside the rotating groove, and the rotating shaft is rotatably connected to the detection box.

[0011] Preferably, the mounting plate is fixedly connected to the detection box, the cylinder head body is arranged on the bottom inner wall of the detection box, the air outlet pipe and the air inlet pipe are both connected to the detection box, and the fixing block is arranged on the outer wall of the cylinder head body.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, a rubber layer is arranged on the outer wall of the cylinder head body, and is threadedly connected with a mounting block and a detection box body by bolts to fix the rubber layer. A glass plate is arranged on the outer wall of the rubber layer. If a small gas leakage occurs, the rubber layer will be blown to the inner wall of the glass plate along with the gas. After a period of friction, static electricity will be generated, thereby being adsorbed on the glass plate. When a large gas leakage occurs, an air pressure detection column is used for detection, thereby improving the accuracy of the data.

[0014] 2. In the utility model, a detection box is provided and a door panel is connected with the detection box to facilitate sealing detection, thereby avoiding rupture caused by excessive air pressure and causing harm to the staff. The telescopic rod is then used to extend and retract to drive the fixing block to fix the cylinder head body, thereby reducing the risk of rupture and flying out. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a three-dimensional structural schematic diagram of an automobile cylinder head air tightness detection device;

[0016] Figure 2 The utility model provides a three-dimensional structural schematic diagram of a shell mechanism in a vehicle cylinder head air tightness detection device;

[0017] Figure 3 The utility model provides a three-dimensional structural schematic diagram of a detection mechanism in an automobile cylinder head air tightness detection device;

[0018] Figure 4 The utility model provides a three-dimensional structural schematic diagram of a pneumatic mechanism in an automobile cylinder head air tightness detection device.

[0019] Legend: 1. Shell mechanism; 101. Detection box; 102. Hinge; 103. Door panel; 104. Window; 105. Reinforcement rib; 106. Rotation slot; 2. Detection mechanism; 201. Telescopic rod; 202. Fixing block; 203. Protective pad; 204. Connecting block; 205. Detection base; 206. Air pressure detection column; 207. Rotating shaft; 208. Glass plate; 209. Rubber layer; 210. Mounting block; 211. Bolt; 3. Air pressure mechanism; 301. Cylinder head body; 302. Mounting plate; 303. Air pump; 304. Air outlet pipe; 305. Air inlet pipe; 306. Control valve. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] See also Figure 1-Figure 4The utility model provides a technical solution: an automobile cylinder head air tightness detection device, comprising: a shell mechanism 1, a detection mechanism 2 and an air pressure mechanism 3; the detection mechanism 2 comprises two telescopic rods 201 and a rotating shaft 207, the telescopic ends of the two telescopic rods 201 are fixedly installed with fixed blocks 202, the bottoms of the two fixed blocks 202 are fixedly installed with protective pads 203, the opposite sides of the two fixed blocks 202 are fixedly installed with connecting blocks 204, the opposite sides of the two connecting blocks 204 are fixedly installed with detection bases 205, the bottom of the detection bases 205 is fixedly installed with air pressure detection columns 206, the outer wall of the rotating shaft 207 is fixedly installed with a glass plate 208, and the inner wall of the glass plate 208 is fixedly connected to the inner wall of the glass plate 208. The rubber layer 209 is fixedly connected to the mounting blocks 210 at both ends of the rubber layer 209. Bolts 211 are inserted through the inside of the two mounting blocks 210, and the bolts 211 are threadedly connected to the mounting blocks 210. Two telescopic rods 201 are fixedly installed on the top inner wall of the detection box 101, and fixed blocks 202 are fixedly installed on the telescopic ends of the two telescopic rods 201. The height of the fixed blocks 202 is controlled by adjusting the length of the telescopic rods 201. The cylinder head body 301 is fixed by the fixed blocks 202. The protective pad 203 is fixedly installed at the bottom of the fixed blocks 202. While avoiding scratching the cylinder head body 301, the fixing effect of the cylinder head body 301 is increased. Then, the fixed blocks 20 2, a connecting block 204 is fixedly installed on the opposite side of the two connecting blocks 204, a detection base 205 is fixedly installed between the two connecting blocks 204, a group of air pressure detection columns 206 are fixedly installed at the bottom of the detection base 205, and the pressure is detected by using the air pressure detection columns 206; finally, a rotating groove 106 is opened inside the detection box 101, a rotating shaft 207 is arranged inside the rotating groove 106, and the rotating shaft 207 is arranged to be rotatably connected with the detection box 101, a glass plate 208 is fixedly installed on the outer wall of the rotating shaft 207, a rubber layer 209 is fixedly connected to the inner wall of the glass plate 208, and mounting blocks 210 are fixedly connected to both ends of the rubber layer 209, and bolts 211 are inserted into the inner wall of the mounting block 210. The rubber layer 209 is arranged on the outer wall of the cylinder head body 301, and is threadedly connected with the mounting block 210 and the detection box 101 by bolts 211 to fix the rubber layer 209, and then the glass plate 208 is arranged to be clamped with the detection box 101. When the compressed gas is input into the interior of the cylinder head body 301, if there is a small gas leakage, the rubber layer 209 at the leakage point will approach the glass plate 208 with the air flow. After a period of contact, static electricity is formed and adsorbed on the inner wall of the glass plate 208, and the sealing condition of the cylinder head body 301 is judged in turn. If there is a large gas leakage, the air pressure detection column 206 will detect the air pressure, so as to improve the accuracy of the detection data.

[0023] like Figure 2As shown, the shell mechanism 1 includes a detection box 101, a hinge 102 is fixedly installed on one side of the detection box 101, a door panel 103 is fixedly installed on one end of the hinge 102, and the door panel 103 is snap-fitted with the detection box 101; by fixing the hinge 102 on one side of the detection box 101, fixing the door panel 103 on one end of the hinge 102, and setting the door panel 103 to be snap-fitted with the detection box 101, it is convenient to seal the detection box 101 and increase the safety of detection.

[0024] like Figure 2 As shown, a viewing window 104 is fixedly arranged inside the door panel 103, a reinforcing rib 105 is fixedly installed on the front side of the door panel 103, and a rotating groove 106 is opened inside the detection box 101; by fixing the viewing window 104 inside the door panel 103, it is convenient to observe the test conditions inside the detection box 101, and by fixing the reinforcing rib 105 on the front side of the door panel 103, it is convenient to reinforce the door panel 103.

[0025] like Figure 4 As shown, the pneumatic mechanism 3 includes a cylinder head body 301 and a mounting plate 302, and an air pump 303 is fixedly installed on the top of the mounting plate 302; by fixing the air pump 303 on the top of the mounting plate 302, it is convenient to input or suck out gas and detect the cylinder head body 301.

[0026] like Figure 4 As shown, the output end of the air pump 303 is fixedly connected to the air outlet pipe 304, and the input end of the air pump 303 is fixedly connected to the air inlet pipe 305. The outer walls of the air inlet pipe 305 and the air outlet pipe 304 are fixedly provided with control valves 306; the air inlet pipe 305 and the air outlet pipe 304 are used to supply and release gas to the cylinder head body 301 respectively, and the control valve 306 is used for control, so as to facilitate air tightness detection.

[0027] like Figure 2 and Figure 3 As shown, the top of the telescopic rod 201 is fixedly connected to the top inner wall of the detection box 101, and the rotating shaft 207 is arranged inside the rotating groove 106, and the rotating shaft 207 is rotatably connected to the detection box 101; by fixing the top of the telescopic rod 201 to the top inner wall of the detection box 101, it is convenient to fix it, and then the rotating shaft 207 is used to be rotatably connected to the detection box 101, so as to facilitate opening and closing of the glass plate 208 and taking and placing of the cylinder cover body 301.

[0028] like Figure 1-Figure 4As shown, the mounting plate 302 is fixedly connected to the detection box 101, the cylinder head body 301 is arranged on the bottom inner wall of the detection box 101, the air outlet pipe 304 and the air inlet pipe 305 are both connected to the detection box 101, and the fixing block 202 is arranged on the outer wall of the cylinder head body 301; by setting the cylinder head body 301 on the bottom inner wall of the detection box 101, it is convenient to detect it, and the gas is discharged by the air outlet pipe 304 and introduced by the air inlet pipe 305 to control the gas circulation, and then the fixing block 202 is set on the outer wall of the cylinder head body 301 to fix it.

[0029] The use method and working principle of the device: When the device is in use, first, a hinge 102 is fixedly installed on one side of the detection box 101, a door panel 103 is fixedly installed on one end of the hinge 102, and the door panel 103 is arranged to be snap-fitted with the detection box 101 to facilitate sealing the detection box 101, and then a window 104 is fixedly arranged inside the door panel 103 to facilitate observation of the test situation inside the detection box 101, and a reinforcing rib 105 is fixedly installed on the front of the door panel 103 to facilitate reinforcement of the door panel 103; secondly, a cylinder head body 301 is arranged on the bottom inner wall of the detection box 101, a mounting plate 302 is fixedly connected to the bottom of the detection box 101, an air pump 303 is fixedly installed on the top of the mounting plate 302, and a reinforcing rib 105 is fixedly installed on the output end of the air pump 303. The air outlet pipe 304 is connected, and the input end is fixedly connected to the air inlet pipe 305. The control valve 306 is fixedly set on the outer wall of the air inlet pipe 305 and the air outlet pipe 304. The air outlet pipe 304 and the air inlet pipe 305 are both connected to the detection box 101. The control valve 306 is used to control the inlet and outlet of the gas, so as to facilitate the delivery of the compressed gas to the inside of the cylinder head body 301 for air tightness detection. Then, two telescopic rods 201 are fixedly installed on the top inner wall of the detection box 101, and fixed blocks 202 are fixedly installed at the telescopic ends of the two telescopic rods 201. The height of the fixed block 202 is controlled by adjusting the length of the telescopic rod 201, and the cylinder head body 301 is fixed by the fixed block 202. The protective pad 202 is fixedly installed at the bottom of the fixed block 202 3. While avoiding scratching the cylinder head body 301, the fixing effect of the cylinder head body 301 is increased, and then the connecting block 204 is fixedly installed on the opposite side of the fixing block 202, and the detection base 205 is fixedly installed between the two connecting blocks 204. A group of air pressure detection columns 206 are fixedly installed at the bottom of the detection base 205, and the pressure is detected by the air pressure detection columns 206; finally, a rotating groove 106 is opened inside the detection box 101, and a rotating shaft 207 is set inside the rotating groove 106. The rotating shaft 207 is set to be rotatably connected with the detection box 101, and a glass plate 208 is fixedly installed on the outer wall of the rotating shaft 207, and a rubber layer 209 is fixedly connected to the inner wall of the glass plate 208, and the mounting blocks are fixedly connected to both ends of the rubber layer 209 210, insert the bolt 211 into the inside of the mounting block 210, set the rubber layer 209 on the outer wall of the cylinder head body 301, use the bolt 211 to thread the mounting block 210 and the detection box 101 to fix the rubber layer 209, and then set the glass plate 208 to snap into the detection box 101. When the compressed gas is input into the inside of the cylinder head body 301, if there is a small gas leakage, the rubber layer 209 at the leakage point will approach the glass plate 208 with the air flow. After a period of contact, static electricity is formed and adsorbed on the inner wall of the glass plate 208. The sealing condition of the cylinder head body 301 is judged in turn. If there is a large gas leakage, the air pressure detection column 206 will detect the air pressure to improve the accuracy of the detection data.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. An automobile cylinder head air tightness detection device, characterized in that: include: A housing mechanism (1), a detection mechanism (2) and a pneumatic mechanism (3); The detection mechanism (2) comprises two telescopic rods (201) and a rotating shaft (207); the telescopic ends of the two telescopic rods (201) are fixedly mounted with fixed blocks (202); the bottoms of the two fixed blocks (202) are fixedly mounted with protective pads (203); the opposite sides of the two fixed blocks (202) are fixedly mounted with connecting blocks (204); the opposite sides of the two connecting blocks (204) are fixedly mounted with a detection base (205); the bottom of the detection base (205) is fixedly mounted with an air pressure detection column (206); the outer wall of the rotating shaft (207) is fixedly mounted with a glass plate (208); the inner wall of the glass plate (208) is fixedly connected with a rubber layer (209); both ends of the rubber layer (209) are fixedly connected with mounting blocks (210); bolts (211) are inserted through the interiors of the two mounting blocks (210); the bolts (211) are threadedly connected to the mounting blocks (210).

2. The automobile cylinder head air tightness detection device according to claim 1, characterized in that: The housing mechanism (1) comprises a detection box (101), a hinge (102) is fixedly mounted on one side of the detection box (101), a door panel (103) is fixedly mounted on one end of the hinge (102), and the door panel (103) is snap-connected with the detection box (101).

3. The automobile cylinder head air tightness detection device according to claim 2, characterized in that: A viewing window (104) is fixedly arranged inside the door panel (103), a reinforcing rib (105) is fixedly installed on the front side of the door panel (103), and a rotating groove (106) is provided inside the detection box (101).

4. The automobile cylinder head air tightness detection device according to claim 2, characterized in that: The pneumatic mechanism (3) comprises a cylinder head body (301) and a mounting plate (302), and an air pump (303) is fixedly mounted on the top of the mounting plate (302).

5. The automobile cylinder head air tightness detection device according to claim 4, characterized in that: The output end of the air pump (303) is fixedly connected to the air outlet pipe (304), and the input end of the air pump (303) is fixedly connected to the air inlet pipe (305). The outer walls of the air inlet pipe (305) and the air outlet pipe (304) are both fixedly provided with control valves (306).

6. The automobile cylinder head air tightness detection device according to claim 3, characterized in that: The top of the telescopic rod (201) is fixedly connected to the top inner wall of the detection box (101), the rotating shaft (207) is arranged inside the rotating groove (106), and the rotating shaft (207) is rotatably connected to the detection box (101).

7. The automobile cylinder head air tightness detection device according to claim 5, characterized in that: The mounting plate (302) is fixedly connected to the detection box (101), the cylinder head body (301) is arranged on the bottom inner wall of the detection box (101), the air outlet pipe (304) and the air inlet pipe (305) are both connected to the detection box (101), and the fixing block (202) is arranged on the outer wall of the cylinder head body (301).

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