A device for detecting the piston hemispherical clearance of an automotive air conditioning compressor

Abstract

This invention provides a piston hemispherical clearance detection device for an automotive air conditioning compressor, comprising: a dust prevention component. A dust prevention component is fixedly installed on the upper left side of the front outer surface of the main shaft swashplate, directly above the right end of the pin cylinder, to prevent dust from falling onto the pin cylinder mounting bracket. The dust prevention component includes: a main housing, an upper housing, a lower housing, a dust control component for controlling dust introduction and collection, and a dust suction component for absorbing the introduced dust. This automotive air conditioning compressor piston hemispherical clearance detection device enables the main shaft swashplate to have a dust prevention function. Even after multiple checks of the piston hemispherical clearance of the automotive air conditioning compressor, dust on the main shaft swashplate is less likely to fall onto the pin cylinder mounting bracket, allowing for timely collection and processing of the dust. This ensures the normal movement of the V-block driven by the pin cylinder, enabling the slide plate to smoothly return to its initial position.

Description

Technical Field

[0001] This invention relates to the field of piston hemisphere clearance detection, and more specifically, to a device for detecting piston hemisphere clearance in an automotive air conditioning compressor. Background Technology

[0002] Currently, the detection of piston hemispherical clearance in air conditioning compressors mainly relies on manual measurement methods. This method is relatively outdated, requires a high level of technical skill from workers, has low detection efficiency and accuracy, and is not suitable for large-scale testing.

[0003] Regarding the aforementioned issues, particularly the low efficiency of detecting the piston hemisphere clearance in air conditioning compressors, extensive research revealed a patent (CN201310193607.1) for a device and method for detecting the piston hemisphere clearance of an automotive air conditioning compressor. This patent includes a base plate, a slide plate, a main shaft swashplate fixing plate, a swashplate clamping cylinder, a left-hand rotation cylinder, a slide plate cylinder, a pin cylinder, and a dial indicator. This patent is applicable to clamping the main shaft swashplate and hollow piston of an automotive air conditioning compressor and detecting the clearance between the piston hemispheres. The process involves: installing the swashplate into the designated position; activating the swashplate clamping cylinder to clamp the swashplate; installing the hollow piston into the designated position; activating the left rotation cylinder to clamp the hollow piston; and starting the slide cylinder to drive the hollow piston axially. A dial indicator is used to detect and record the clearance of the piston hemisphere of the automotive air conditioning compressor. After the test is completed, the pin cylinder activates, and the slide returns to its original position. This patented method is simple to use, requires low skill levels from workers, has high testing efficiency, and high accuracy, making it suitable for detecting the clearance of the piston hemisphere of automotive air conditioning compressors.

[0004] However, the technical solution provided by this patent does not have a dust-proof function for the main shaft swashplate fixing plate. After the clearance of the piston hemisphere of the car air conditioning compressor is tested multiple times, the dust on the main shaft swashplate fixing plate is easy to fall onto the pin cylinder mounting bracket. If the dust is not collected and processed in time, it will affect the normal movement of the pin cylinder driving the V block, making it difficult for the slide plate to return to the initial position. Summary of the Invention

[0005] The present invention aims to solve the technical problems mentioned in the background art and provide a piston hemispherical clearance detection device for automotive air conditioning compressors.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a piston hemispherical clearance detection device for an automotive air conditioning compressor, comprising:

[0007] A base plate has a spindle swashplate fixing plate fixedly installed at the rear end of its top outer surface. Swashplate clamping cylinder mounting brackets are fixedly installed on the upper left and right sides of the rear outer surface of the spindle swashplate fixing plate. A pin cylinder mounting bracket is fixedly installed at the bottom end of the front outer surface of the spindle swashplate fixing plate, which is connected to the top outer surface of the base plate. A sliding plate is slidably installed at the right end of the top outer surface of the pin cylinder mounting bracket. A pin cylinder is fixedly installed at the left end of the top outer surface of the pin cylinder mounting bracket. A V-block is connected to the right end of the pin cylinder, and the pin cylinder controls the initial position of the sliding plate through the V-block.

[0008] A dust-proof component is fixedly installed on the upper left side of the front outer surface of the spindle swashplate, directly above the right end of the pin cylinder, to prevent dust from falling onto the pin cylinder mounting bracket. The dust-proof component includes: a main shell, an upper shell, a lower shell, a dust control component that can control the introduction and collection of dust, and a dust suction component that can absorb the introduced dust.

[0009] The main housing is fixedly installed on the upper left side of the front outer surface of the spindle swashplate, directly above the right end of the pin cylinder. The main housing is a flat semi-cylindrical shape with a hollow interior, a flat top and a convex bottom, and an opening at the top of the main housing.

[0010] An upper shell is fixedly installed on the outer surface of the front side of the main shaft swashplate fixing plate at the middle of the top of the main shell. The upper shell is a semi-circular arc shape with a hollow interior, closed front and back, and convex top and concave bottom in a longitudinal section. The inner diameter of the upper shell is smaller than the inner diameter of the main shell. There is a distance between the bottom outer wall of the upper shell and the top inner wall of the main shell.

[0011] The lower shell is fixedly installed inside the upper shell. The lower shell is also a semi-circular arc shape with a hollow interior, closed front and back, and convex top and concave bottom in a longitudinal section. The inner diameter of the lower shell is smaller than the inner diameter of the upper shell. The lower shell and the upper shell share the same center in a longitudinal section. There is a distance between the outer wall of the lower shell and the inner wall of the upper shell.

[0012] Dust control components are movably installed between the top left and right parts of the main shell and the outer wall of the upper shell and the inner wall of the lower shell.

[0013] A dust collection component is movably installed between the inner middle of the lower shell and the inner middle of the main shell.

[0014] A further preferred embodiment: the dust control component includes:

[0015] A rotating shaft is installed at the top left and right sides of the inner top of the main shell in a horizontally rotating manner.

[0016] The lower plate is fixedly installed around the lower end of the outer surface of one side of the rotating shaft. Under normal circumstances, the lower plate is in a static equilibrium state with an inclination of 15° to the horizontal plane. Under normal circumstances, the top outer surface of the lower plate is statically attached to the bottom outer surface of the upper shell and the lower shell. Under normal circumstances, the tail outer surface of the lower plate is statically attached to the top surface of the left and right inner walls of the main shell.

[0017] The upper plate is fixedly installed around the upper part of the outer surface of the other side of the rotating shaft. Under normal circumstances, the upper plate is in a static equilibrium state with an inclination of 24° on the same horizontal plane. The upper plate is located at the left and right ends inside the lower shell.

[0018] A further preferred embodiment: the dust control component further includes:

[0019] An insert plate is fixedly installed at the tail end of the top outer surface of the upper plate. The insert plate is in the shape of a short arc plate. The left and right ends of the lower shell are provided with through holes that run vertically through the bottom. Under normal circumstances, there is a distance between the top of the insert plate and the through holes.

[0020] A further preferred embodiment: the dust control component further includes:

[0021] A limiting plate is fixedly installed between the left and right ends of the inner wall of the upper shell and the left and right ends of the outer wall of the lower shell, and the limiting plate is adjacent to the insertion hole of the lower shell.

[0022] A further preferred embodiment: the dust control component further includes:

[0023] An airbag is embedded between the top outer surface of the limiting plate and the inner wall of the upper shell and the outer wall of the lower shell. The airbag is fan-shaped in a longitudinal section.

[0024] A further preferred embodiment: the vacuuming assembly includes:

[0025] A partition is fixedly installed vertically at the middle of the inner wall of the lower shell, with the bottom end of the partition located at the upper middle of the inner part of the main shell.

[0026] A further preferred embodiment: the vacuuming assembly further includes:

[0027] The slide rail has through holes at the top left and right ends of the lower shell. The slide rail is fixedly installed on the outer surfaces of the left and right sides of the partition, and the top of the slide rail is located in the through hole.

[0028] A further preferred embodiment: the vacuuming assembly further includes:

[0029] The slide plate is slidably mounted on the inner wall of the slide rail in a vertical direction. The top outer surface of the slide plate is in contact with the bottom outer surface of the airbag. Under normal circumstances, the bottom end of the slide plate is located at the inner bottom end of the slide rail.

[0030] A further preferred embodiment: the vacuuming assembly further includes:

[0031] A push plate is fixedly installed on the bottom outer surface of the slide plate. The push plate is a short arc plate shape with a concave top and a convex bottom. The push plate is located at the top of the middle part of the main shell. The push plate and the slide plate are made of plastic.

[0032] A further preferred embodiment: the vacuuming assembly further includes:

[0033] A storage tank is fixedly installed at the upper middle part of the main shell. The storage tank is a long arc shape with a hollow interior, closed front and back, and flat top and convex bottom in a longitudinal section. The interior of the storage tank is pre-filled with clean water.

[0034] Beneficial effects:

[0035] 1. This automotive air conditioning compressor piston hemispherical clearance detection device, by incorporating a dust-prevention component, utilizes the principles of leverage, negative pressure, and buoyancy. When dust on the main shaft swashplate falls towards the pin cylinder mounting bracket, the dust first falls onto the outer wall of the upper housing of the dust-prevention component and slides down along the outer wall to the left and right ends of the top opening of the main housing of the dust-prevention component. Under the action of the leverage principle, the dust control component of the dust-prevention component is activated, guiding the dust downwards to the bottom of the main housing for collection. Then, under the action of the negative pressure principle, the dust control component deforms, triggering the dust suction component of the dust-prevention component to activate. Finally, under the action of the buoyancy principle, the suction material in the suction component is drawn out to the bottom of the main housing to absorb the previously introduced dust, thus preventing dust from falling onto the pin cylinder mounting bracket.

[0036] 2. This type of automotive air conditioning compressor piston hemispherical clearance detection device, by incorporating a dust control component, utilizes the principles of leverage and negative pressure. When dust on the main shaft swashplate fixing plate does not fall towards the pin cylinder mounting bracket, the lower plate of the dust prevention component is in a static equilibrium state at a 15° tilt on the same horizontal plane. Its top outer surface is statically attached to the bottom outer surface of the upper shell and the lower shell of the dust prevention component, and its tail outer surface is statically attached to the top surfaces of the left and right inner walls of the main shell. The upper plate of the dust prevention component is in a static equilibrium state at a 24° tilt on the same horizontal plane. There is a distance between the top of the insertion plate of the dust prevention component and the insertion hole of the lower shell. The airbag of the dust prevention component is in a state of natural inflation. The dust is in a deformed state; however, when the dust on the main shaft swashplate falls towards the pin cylinder mounting bracket, this state is gradually broken. As mentioned above, when the dust falls to the left and right ends of the top opening of the main housing, the dust is temporarily collected by the tail area of ​​the top outer surface of the lower plate. Under the action of the lever principle, the lower plate rotates downward to guide the dust towards the bottom of the main housing. At the same time as the lower plate rotates, it will drive the upper plate to rotate upward, so that the insert plate is finally inserted into the insertion hole of the lower housing, which squeezes the airbag. Under the action of the negative pressure principle, the airbag is deformed by pressure so as to trigger the activity of the dust collection component. This controls the introduction and collection of dust and facilitates the prevention of dust falling.

[0037] 3. This automotive air conditioning compressor piston hemispherical clearance detection device, by incorporating a dust collection component, utilizes the principle of buoyancy. When dust on the main shaft swashplate does not fall towards the pin cylinder mounting bracket, the bottom end of the dust collection component's sliding plate is positioned inside the slide rail by the buoyancy of the clean water; the clean water in the dust collection component's storage tank does not overflow. However, when dust on the main shaft swashplate falls towards the pin cylinder mounting bracket, this state is gradually broken. As described above, when the airbag is compressed and deformed, the bottom middle part of the airbag pushes the sliding plate downward along the sliding hole of the lower shell, causing it to slide downward within the slide rail. This, in turn, squeezes the clean water from the dust collection component's push plate, causing the clean water to overflow from the storage tank, absorbing the dust previously introduced by the dust control component. This achieves the absorption of introduced dust, facilitating dust prevention.

[0038] 4. In summary, this automotive air conditioning compressor piston hemisphere clearance detection device, through the combined action of dust prevention components, dust control components, and dust collection components, enables the main shaft swashplate fixing plate to have a dust prevention function. Even after multiple clearance tests of the automotive air conditioning compressor piston hemisphere, the dust on the main shaft swashplate fixing plate is not likely to fall onto the pin cylinder mounting bracket, and the dust can be collected and processed in a timely manner, ensuring the normal movement of the pin cylinder driving the V-block and allowing the slide plate to smoothly return to its initial position. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0040] Figure 2 This is a partial three-dimensional view of the spindle swashplate fixing plate and the three-dimensional cross-sectional structure of the dust prevention component of the present invention.

[0041] Figure 3 For the present invention Figure 2 Enlarged structural diagram at point A in the middle;

[0042] Figure 4 For the present invention Figure 2 Enlarged structural diagram at point B;

[0043] Figure 5 This is a three-dimensional cross-sectional view of the dust prevention component when the dust control component and the dust collection component of the present invention are in an active state.

[0044] Figure 6 This is a three-dimensional exploded cross-sectional view of the dust-proof component of the present invention;

[0045] Figure 1-6 In the middle: 1-base plate; 2-slant plate fixing plate; 3-slant plate clamping cylinder mounting bracket; 4-pin cylinder mounting bracket; 5-slide plate; 6-pin cylinder; 7-V-block; 8-dustproof component; 9-main shell; 10-upper shell; 11-lower shell; 12-dust control component; 13-dust suction component; 14-rotating shaft; 15-lower plate; 16-upper plate; 17-insertion plate; 18-limiting plate; 19-airbag; 20-partition plate; 21-slide rail; 22-slide plate; 23-push plate; 24-storage trough. Detailed Implementation

[0046] The following will refer to the appendices in the embodiments of the present invention. Figures 1-6 The technical solutions in the embodiments of the present invention will be clearly and completely described.

[0047] Example 1

[0048] Please see Figure 1-2 In this embodiment of the invention, a piston hemispherical clearance detection device for an automotive air conditioning compressor includes:

[0049] A base plate 1 is provided. A spindle swash plate 2 is fixedly installed at the rear end of the top outer surface of the base plate 1. Swash plate clamping cylinder mounting brackets 3 are fixedly installed at the upper left and right ends of the rear outer surface of the spindle swash plate 2. A pin cylinder mounting bracket 4 is fixedly installed at the bottom end of the front outer surface of the spindle swash plate 2 and the top outer surface of the base plate 1. A slide plate 5 is slidably installed at the right end of the top outer surface of the pin cylinder mounting bracket 4. A pin cylinder 6 is fixedly installed at the left end of the top outer surface of the pin cylinder mounting bracket 4. A V-block 7 is connected to the right end of the pin cylinder 6. The pin cylinder 6 controls the initial position of the slide plate 5 through the V-block 7.

[0050] The dust prevention component 8 is fixedly installed on the upper left side of the front outer surface of the spindle swashplate 2, directly above the right end of the pin cylinder 6. The dust prevention component 8 includes: a main shell 9, an upper shell 10, a lower shell 11, a dust control component 12 that controls the introduction and collection of dust, and a dust suction component 13 that absorbs the introduced dust.

[0051] The dust prevention component 8 here can facilitate the introduction of dust on the spindle swashplate 2 into the main housing 9 through the dust control component 12, and the dust is absorbed by the dust suction component 13.

[0052] The main housing 9 is fixedly installed on the upper left side of the front outer surface of the spindle swash plate 2, directly above the right end of the pin cylinder 6. The main housing 9 is a flat semi-cylindrical shape with a hollow interior, a flat top and a convex bottom, and an opening at the top of the main housing 9.

[0053] The main shell 9 here is for holding the introduced dust, and together with the lower shell 12, it houses the dust collection component 13 to absorb the introduced dust inside the main shell 9.

[0054] An upper shell 10 is fixedly installed on the outer surface of the front side of the main shaft swashplate 2 at the middle of the top of the main shell 9. The upper shell 10 is a semi-circular arc shape with a hollow interior, closed front and back, and convex top and concave bottom in a longitudinal section. The inner diameter of the upper shell 10 is smaller than the inner diameter of the main shell 9. There is a distance between the bottom outer wall of the upper shell 10 and the top inner wall of the main shell 9.

[0055] The upper shell 10 here is for the purpose of housing the upper part of the dust control component 12 together with the lower shell 11. When dust is introduced, the dust control component 12 is triggered to deform so that the suction component 13 can be activated in the future to release suction material and absorb the introduced dust.

[0056] The lower shell 11 is fixedly installed inside the upper shell 10. The lower shell 11 is also a semi-circular arc shape with a hollow interior, closed front and back, and convex top and concave bottom in a longitudinal section. The inner diameter of the lower shell 11 is smaller than the inner diameter of the upper shell 10. The lower shell 11 and the upper shell 10 have the same center in a longitudinal section. There is a distance between the outer wall of the lower shell 11 and the inner wall of the upper shell 10.

[0057] The lower shell 11 here is for facilitating the installation of the dust control component 12 and the dust collection component 13, respectively, along with the upper shell 10 and the main shell 9, and provides the track and space for the dust control component 12 and the dust collection component 13 to move and deform.

[0058] A dust control component 12 is movably installed between the top left and right sides of the main shell 9 and the outer wall of the upper shell 10 and the inner wall of the lower shell 11.

[0059] The dust control component 12 here is designed to utilize the principles of leverage and negative pressure. When dust falls onto the opening at the top of the main shell 9, the dust control component 12 will move and deform, drawing the dust into the main shell 9 for collection. At the same time, it can also trigger the dust suction component 13 to move in a timely manner.

[0060] A dust collection component 13 is movably installed between the inner middle of the lower shell 11 and the inner middle of the main shell 9;

[0061] The dust collection component 13 here is designed to utilize the principle of buoyancy. After the dust control component 12 deforms, the dust collection component 13 moves to guide the pre-loaded dust collection material inside to the bottom of the main shell 9 to absorb the previously introduced dust.

[0062] This automotive air conditioning compressor piston hemispherical clearance detection device, equipped with a dust-prevention component 8, utilizes the principles of leverage, negative pressure, and buoyancy. When dust on the main shaft swashplate 2 falls towards the pin cylinder mounting bracket 3, the dust first falls onto the outer wall of the upper shell 10 of the dust-prevention component 8 and slides down along the outer wall of the upper shell 10 to the left and right ends of the top opening of the main shell 9 of the dust-prevention component 8. Under the action of the leverage principle, the dust control component 12 of the dust-prevention component 8 is activated, guiding the dust downwards to the bottom of the main shell 9 for collection. Then, under the action of the negative pressure principle, the dust control component 12 deforms, thereby triggering the dust suction component 13 of the dust-prevention component 8 to activate. Then, under the action of the buoyancy principle, the dust suction material in the dust suction component 13 is led out to the bottom of the main shell 9 to absorb the previously introduced dust, thus preventing the dust from falling onto the pin cylinder mounting bracket 4.

[0063] Example 2

[0064] Please see Figure 2-3 and Figure 5-6 The difference between this embodiment and embodiment 1 is that the dust control component 12 includes:

[0065] Rotating shaft 14 is installed on the left and right sides of the top of the main housing 9 in a horizontally rotating manner.

[0066] The lower plate 15 is fixedly installed around the lower end of one side of the outer surface of the rotating shaft 14. Under normal circumstances, the lower plate 15 is in a static equilibrium state with an inclination of 15° on the same horizontal plane. Under normal circumstances, the top outer surface of the lower plate 15 is statically attached to the bottom outer surface of the upper shell 10 and the lower shell 11. Under normal circumstances, the tail outer surface of the lower plate 15 is statically attached to the top surface of the left and right inner walls of the main shell 9.

[0067] The lower plate 15 here is designed to catch falling dust. It rotates downwards under the action of the lever principle to guide the dust into the main shell 9.

[0068] The upper plate 16 is fixedly installed around the upper end of the outer surface of the other side of the rotating shaft 14. Under normal circumstances, the upper plate 16 is in a static equilibrium state with an inclination of 24° at the same horizontal plane. The upper plate 16 is located at the left and right ends inside the lower shell 11.

[0069] The upper plate 16 here is designed to utilize the lever principle so that when the lower plate 15 rotates, the upper plate 16 rotates upward simultaneously, thereby pushing the push plate 17 into the insertion hole of the lower shell 11.

[0070] In this embodiment of the invention, the dust control component 12 further includes:

[0071] Insert plate 17 is fixedly installed at the tail end of the top outer surface of the upper plate 16. Insert plate 17 is in the shape of a short arc plate. Insert holes that pass through vertically are obliquely opened at both ends of the lower shell 11. Under normal circumstances, there is a distance between the top of the insert plate 17 and the insertion hole.

[0072] The insert plate 17 here is inserted into the insertion hole after the upper plate 16 is rotated to compress the airbag 19.

[0073] In this embodiment of the invention, the dust control component 12 further includes:

[0074] Limiting plate 18 is fixedly installed between the left and right ends of the inner wall of the upper shell 10 and the left and right ends of the outer wall of the lower shell 11, with the limiting plate 18 adjacent to the insertion hole of the lower shell 11.

[0075] The limiting plate 18 here is used to limit and support the airbag 19. When the insert plate 17 squeezes the airbag 19, the airbag 19 can eventually make the dust collection component 13 move smoothly to draw out the dust collection material.

[0076] In this embodiment of the invention, the dust control component 12 further includes:

[0077] Airbag 19 is embedded between the top outer surface of the limiting plate 18 and the inner wall of the upper shell 10 and the outer wall of the lower shell 11. Airbag 19 is fan-shaped in a longitudinal section.

[0078] The airbag 19 here is designed to utilize the principle of negative pressure so that when the insert plate 17 squeezes the bottom of its left and right ends, the middle part of its bottom can deform smoothly downwards, thereby pushing the dust collection component 13 to move and release the dust collection material.

[0079] This type of automotive air conditioning compressor piston hemispherical clearance detection device, through the installation of a dust control component 12, utilizes the lever and negative pressure principle. When dust on the main shaft swashplate fixing plate 2 does not fall towards the pin cylinder mounting bracket 3, the lower plate 15 of the dust prevention component 8 is in a static equilibrium state at a 15° tilt on the same horizontal plane. Its top outer surface is statically attached to the bottom outer surface of the upper shell 10 and the lower shell 11 of the dust prevention component 8, and its tail outer surface is statically attached to the top surfaces of the left and right inner walls of the main shell 9; the upper plate 16 of the dust prevention component 8 is in a static equilibrium state at a 24° tilt on the same horizontal plane; there is a distance between the top of the insertion plate 17 of the dust prevention component 8 and the insertion hole of the lower shell 11; the airbag 19 of the dust prevention component 8 is in a state of natural inflation. The deformation state; however, when the dust on the main shaft swashplate 2 falls towards the pin cylinder mounting bracket 3, this state will gradually be broken. As mentioned above, when the dust falls to the left and right ends of the top opening of the main housing 9, the dust will be temporarily collected by the tail end area of ​​the top outer surface of the lower plate 15. Under the action of the lever principle, the lower plate 15 will rotate downward to guide the dust to the bottom of the main housing 9. While the lower plate 15 is rotating, it will drive the upper plate 16 to rotate upward, so that the insert plate 17 will be inserted into the insertion hole of the lower housing 11 and squeeze the airbag 19. Under the action of the negative pressure principle, the airbag 19 will be deformed by pressure so as to trigger the activity of the dust collection component 13 in the future. This controls the introduction and collection of dust and facilitates the prevention of dust falling.

[0080] Example 3

[0081] Please see Figure 2 and Figure 4-6 The difference between this embodiment and embodiment 1 is that the dust collection component 13 includes:

[0082] The partition 20 is fixedly installed vertically at the middle position of the inner wall of the lower shell 11. The bottom end of the partition 20 is located at the middle of the upper part of the inner part of the main shell 9.

[0083] The partition 20 here is to facilitate the separation of the left and right slide rails 21 and the lower part of the dust control component 12.

[0084] In this embodiment of the invention, the vacuuming assembly 13 further includes:

[0085] The slide rail 21 has sliding holes at the top left and right ends of the lower shell 11. The slide rail 21 is fixedly installed on the outer surfaces of the left and right sides of the partition plate 20, and the top of the slide rail 21 is located in the sliding hole.

[0086] The slide rail 21 here is a track provided for the slide plate 22 to slide downward inside the airbag 19 when it is compressed.

[0087] In this embodiment of the invention, the vacuuming assembly 13 further includes:

[0088] The slide plate 22 is slidably installed on the inner wall of the slide rail 21 in a vertical direction. The top outer surface of the slide plate 22 is attached to the bottom outer surface of the airbag 19. Under normal circumstances, the bottom end of the slide plate 22 is located at the inner bottom end of the slide rail 21.

[0089] The slide plate 22 here is designed to allow the airbag 19 to expand downwards and extend downwards along the slide rail 21, so that the push plate 23 can squeeze out the water in the storage tank 24.

[0090] In this embodiment of the invention, the vacuuming assembly 13 further includes:

[0091] Push plate 23 is fixedly installed on the bottom outer surface of the slide plate 22. Push plate 23 is a short arc plate shape with a concave top and convex bottom. Push plate 23 is located at the top of the middle part of the main shell 9. Push plate 23 and slide plate 22 are made of plastic.

[0092] Under normal circumstances, the push plate 23 here uses the buoyancy of the clean water in the storage tank 24 to insert the slide plate 22 into the slide rail 21. When the slide plate 22 slides downward under pressure, the clean water is discharged outward through the push plate 23.

[0093] In this embodiment of the invention, the vacuuming assembly 13 further includes:

[0094] Storage tank 24 is fixedly installed at the upper middle part of the main shell 9. The storage tank 24 is a long arc shape with a hollow interior, closed front and back, flat top and convex bottom in a longitudinal section. The interior of the storage tank 24 is pre-filled with clean water.

[0095] The storage tank 24 here is for easy storage of clean water. When the push plate 23 pushes the clean water downwards, the clean water can be smoothly discharged.

[0096] This automotive air conditioning compressor piston hemispherical clearance detection device, by incorporating a dust collection component 13, utilizes the principle of buoyancy. When dust on the main shaft swashplate 2 does not fall towards the pin cylinder mounting bracket 3, the bottom end of the slide plate 22 of the dust collection component 13 is positioned at the bottom of the slide rail 21 of the dust collection component 13 by the buoyancy of the clean water; the clean water in the storage tank 24 of the dust collection component 13 does not overflow. However, when dust on the main shaft swashplate 2 falls towards the pin cylinder mounting bracket 3, this state is gradually broken. As described above, when the airbag 19 is deformed under pressure, the bottom middle part of the airbag 19 will push the slide plate 22 downward along the sliding hole of the lower shell 11 and slide downward within the slide rail 21, thereby squeezing the clean water from the push plate 23 of the dust collection component 13, causing the clean water to overflow from the storage tank 24 and absorb the dust previously introduced by the dust control component 12; thus, the introduced dust is absorbed, facilitating the prevention of dust falling.

Claims

1. A device for detecting the inter-hemisphere clearance of a piston of an automotive air conditioning compressor, characterized by: It includes: The bottom plate (1) is installed with the main shaft swash plate fixed plate (2), the main shaft swash plate fixed plate (2) is installed with the swash plate clamp cylinder mounting bracket (3), the main shaft swash plate fixed plate (2) is installed with the latch cylinder mounting bracket (4), the latch cylinder mounting bracket (4) is installed with the drag plate (5), the latch cylinder mounting bracket (4) is installed with the latch cylinder (6), the latch cylinder (6) is connected with the V-shaped block (7); The dust falling prevention assembly (8) is installed on the main shaft swash plate fixed plate (2), which can prevent dust from falling on the latch cylinder mounting bracket (4), the dust falling prevention assembly (8) includes: main shell (9), upper shell (10), lower shell (11), dust control assembly (12) that can control dust introduction collection and dust suction assembly (13) that can absorb the introduced dust; The main shaft swash plate fixed plate (2) is installed with the main shell (9), which is internally hollow, flat semicircular cylindrical shape with convex top and flat bottom; The main shaft swash plate fixed plate (2) is installed with the upper shell (10), which is internally hollow, semicircular arc shape with closed front and back, convex top and concave bottom in a longitudinal section; The upper shell (10) is installed with the lower shell (11), which is also internally hollow, semicircular arc shape with closed front and back, convex top and concave bottom in a longitudinal section; The main shell (9) is installed with the dust control assembly (12); The lower shell (11) is installed with the dust suction assembly (13); The dust control assembly (12) includes: The main shell (9) is installed with the rotating shaft (14); The rotating shaft (14) is installed with the lower plate (15); The rotating shaft (14) is installed with the upper plate (16); The dust control assembly (12) also includes: The upper plate (16) is installed with the plug-in plate (17), which is in the shape of a short arc plate; The dust control assembly (12) also includes: The upper shell (10) is installed with the limiting plate (18); The dust control assembly (12) also includes: The limiting plate (18) is installed with the air bag (19).

2. A device for detecting the inter-hemisphere clearance of a piston of an automotive air conditioning compressor as set forth in claim 1, characterized in that: The dust suction assembly (13) includes: The lower shell (11) is installed with the partition plate (20).

3. A device for detecting the inter-hemisphere clearance of a piston of an automotive air conditioning compressor as defined in claim 2, characterized in that: The dust suction assembly (13) also includes: The partition plate (20) is installed with the slide rail (21).

4. A device for detecting the inter-hemisphere clearance of a piston of an automotive air conditioning compressor as defined in claim 3, characterized in that: The dust suction assembly (13) also includes: The slide rail (21) is installed with the sliding plate (22).

5. A device for detecting the inter-hemisphere clearance of a piston of an automotive air conditioning compressor as defined in claim 4, characterized in that: The dust suction assembly (13) also includes: The sliding plate (22) is installed with the push plate (23), which is made of plastic.

6. A device for detecting the inter-hemisphere clearance of a piston of an automotive air conditioning compressor as defined in claim 1, characterized in that: The dust suction assembly (13) also includes: The main shell (9) is installed with the storage tank (24), which is preloaded with clean water.

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