CN112683460A - Rear cover air tightness detection device for automobile electronic water pump production - Google Patents
Rear cover air tightness detection device for automobile electronic water pump production Download PDFInfo
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- CN112683460A CN112683460A CN202011569306.0A CN202011569306A CN112683460A CN 112683460 A CN112683460 A CN 112683460A CN 202011569306 A CN202011569306 A CN 202011569306A CN 112683460 A CN112683460 A CN 112683460A
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Abstract
The invention discloses a rear cover air tightness detection device for automobile electronic water pump production, and belongs to the technical field of rear cover air tightness detection of automobile electronic water pumps. The utility model provides a lid gas tightness detection device after automobile electronic water pump production is with, includes the swivel mount, be fixed with the airtight casing that detects of rectangle on the swivel mount, sliding connection has lid determine module behind the automobile electronic water pump on the stock, lid determine module bottom is connected with inflating mechanism behind the automobile electronic water pump, lid determine module left end is connected with pneumatic telescopic machanism behind the automobile electronic water pump, pneumatic telescopic machanism is connected with casing upper cover seal structure, casing upper cover seal structure both sides are equipped with pull ring preloading mechanism. The invention can conveniently detect the air tightness under the action of each pressure, has good detection effect and parameter adjusting function, can simultaneously detect the air tightness or water tightness of two surfaces of a test piece by positive and negative pressure tests, and has strong capability of probing the hidden defect.
Description
Technical Field
The invention relates to the technical field of rear cover air tightness detection of automobile electronic water pumps, in particular to a rear cover air tightness detection device for automobile electronic water pump production.
Background
Automobile electronic water pumps, many special vehicles such as new energy automobiles and motor homes and the like are commonly used as micro water pumps for water circulation, cooling or water supply systems on automobiles, and the micro self-sucking water pumps are collectively called as automobile water pumps. The circular motion of the motor, make the diaphragm inside the water pump make reciprocating motion through the mechanical device, thus compress, stretch the air in the pump chamber (fixed volume), under the function of the check valve, form the positive pressure at the drain outlet (the actual output pressure is relevant with helping hand and characteristic of the pump that the pump drain outlet receives); a vacuum is formed at the water pumping opening, so that a pressure difference is generated between the water pumping opening and the external atmospheric pressure. Under the action of pressure difference, the water is pressed into the water inlet and then discharged from the water outlet. Under the action of kinetic energy transferred by the motor, water is continuously sucked and discharged to form stable flow.
The water pump rear cover is used as an important component of an automobile electronic water pump connecting motor and an impeller, the requirements of the component on water sealing performance and air sealing performance are very high, and the produced automobile electronic water pump rear cover can be used only after the sealing performance detection, the detection of the sealing performance and the passage of a hidden injury.
The back lid gas tightness detection device is used in present automobile electronic water pump production can not conveniently detect the gas tightness under each pressure effect when detecting, detects not well effectual still not have the effect of adjusting parameter simultaneously, just negative pressure test can carry out gas tightness or water tightness to two surfaces of test piece simultaneously and detect, explores secretly to hinder defect ability not high.
Disclosure of Invention
The invention aims to solve the problems that the existing irrigation technology and equipment in the prior art cannot realize integration of water, fertilizer and pesticide automatically, irrigation efficiency is low, effect is poor, and water resource waste is serious.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a lid gas tightness detection device after automobile electronic water pump production is with, includes the swivel mount, be fixed with the airtight casing that detects of rectangle on the swivel mount, the airtight casing bottom symmetry that detects of rectangle is fixed with two stock, sliding connection has lid determine module behind the automobile electronic water pump on the stock, lid determine module bottom is connected with aerifys the mechanism behind the automobile electronic water pump, lid determine module left end is connected with pneumatic telescopic machanism behind the automobile electronic water pump, pneumatic telescopic machanism is connected with casing upper cover seal structure, casing upper cover seal structure both sides are equipped with pull ring pretension mechanism.
Preferably, the swivel mount includes the support frame, it is connected with the rotation post to rotate on the support frame, it is equipped with the screw thread section to rotate post bilateral symmetry, both sides the cover has left thread bush and right thread bush respectively on the screw thread section, left thread bush and right thread bush articulate respectively and have first articulated frame and second articulated frame, first articulated frame and second articulated frame articulate on the fixed disk, are located it is connected with the rotation handle to rotate the post right-hand member.
Preferably, the first hinge frame and the second hinge frame are hinged on the fixed disc at positions opposite to the edge of the disc surface, and the thread turning directions of thread sections on two sides of the rotating column are opposite.
Preferably, lid detection subassembly includes automobile electronic water pump back lid casing, the motor room is connected to automobile electronic water pump back lid casing upper end, automobile electronic water pump back lid casing opening end cover has airtight sealed the pad, airtight sealed pad is connected with sealed apron, sealed apron both ends are equipped with fastening seal assembly, sealed apron and airtight sealed pad central point are connected with the air guide mouth.
Preferably, a motor is installed in the motor chamber, the motor is connected with a motor shaft, and the motor shaft is connected with a simulation impeller.
Preferably, the fastening and sealing assembly comprises an annular plate, the annular plate is fixed on the outer side of the rear cover shell of the automobile electronic water pump, the annular plate, the airtight sealing gasket and the sealing cover plate are fastened together by bolts and nuts, a U-shaped sliding plate is clamped on the bolts and nuts, and the U-shaped sliding plate is connected to the long rod in a sliding mode.
Preferably, the pneumatic telescopic mechanism comprises a pneumatic telescopic rod, the upper end of the pneumatic telescopic rod is connected with a gas pipe, the gas pipe is connected with a barometer, and the gas pipe is connected with a gas aspirator.
Preferably, the shell upper cover sealing structure comprises a rubber sealing cushion, an upper cover plate covers the rubber sealing cushion, and rectangular rubber rings are fixed on the rectangular airtight detection shell at the lower ends of two sides of the rubber sealing cushion.
Preferably, the inflating mechanism comprises an air faucet rotary joint, the air faucet rotary joint is connected with a curled rubber air duct, the curled rubber air duct is connected with a fixed inflator, a movable rod is sleeved in the fixed inflator, the movable rod is connected with a bar-shaped connecting plate, and the bar-shaped connecting plate is connected with a rear cover detection assembly of the automobile electronic water pump.
Preferably, the bottom end of the movable rod is connected with a first piston and a second piston, and a certain distance is reserved between the first piston and the second piston.
Compared with the prior art, the invention provides a rear cover air tightness detection device for automobile electronic water pump production, which has the following beneficial effects:
1. this rear cover gas tightness detection device is used in automobile electronic water pump production detects the principle that utilizes and is: the method comprises the steps of sealing a piece to be detected, injecting high-pressure gas into the piece, then putting the piece into water, observing whether the bubbles emitted are continuous or not, and if the bubbles are continuous, indicating that the piece to be detected is poor in air tightness and even a workpiece has dark damage or defects.
In the embodiment of the invention, the rotating frame can provide a rotation function, so that the rectangular airtight detection shell can be reversed, when the rectangular airtight detection shell is placed rightly, the airtightness of the high-pressure working state of the automobile electronic water pump rear cover detection assembly can be detected, when the rectangular airtight detection shell is placed backwards, the watertightness of the negative pressure state of the automobile electronic water pump rear cover detection assembly can be detected, the inflation mechanism provides high-pressure and negative-pressure gas for the automobile electronic water pump rear cover detection assembly, the pneumatic telescopic mechanism serves as a pressure applying unit and actively extrudes or decompresses the automobile electronic water pump rear cover detection assembly, the air pressures of the inflation mechanism and the pneumatic telescopic mechanism are the same, and the air tightness under the action of each pressure can be conveniently detected by reading the air pressure meter on the pneumatic telescopic mechanism, the detection effect is good, and the parameter adjusting function is also provided, the positive and negative pressure test can simultaneously carry out air tightness and water tightness detection on two surfaces of the test piece, and the capability of detecting the hidden damage defect is strong.
2. This lid gas tightness detection device after automobile electronic water pump production is with, the rotatory effect of swivel mount, the manual handle that rotates then the post and rotates, then left thread bush and right thread bush move on the screw thread section on both sides respectively, then first articulated frame and the articulated frame pulling fixed disk rotation of second reach the purpose of fixed disk upset.
The screw thread section screw thread that rotates the post both sides is turned to the opposite and is made left thread cover and right thread cover keep relative movement when removing, first articulated frame and second articulated frame are the quotation edge relative position on the fixed disk, first articulated frame of pulling and second articulated frame when removing are overlapped to left thread cover and right thread like this, reach the upset more easily when first articulated frame and second articulated frame pulling fixed disk then, it is worth mentioning that, this structure has utilized the motion inertia of the airtight detection casing of rectangle when the upset degree, and rotate the reversal of handle control rotation post during the upset, just can guarantee the airtight detection casing of rectangle and continue by the upset of degree to degree.
3. According to the rear cover air tightness detection device for the production of the automobile electronic water pump, air is introduced into the air guide nozzle to pressurize the inner cavity of the rear cover shell of the automobile electronic water pump, the motor chamber and the rear cover shell of the automobile electronic water pump are integrated, air tightness detection is carried out together, and the air tightness sealing gasket, the sealing cover plate and the fastening sealing assembly are a sealing means for sealing the opening of the rear cover shell of the automobile electronic water pump. Because the motor chamber and the automobile electronic water pump rear cover shell are immersed at the bottom of the rectangular airtight detection shell filled with clear water, the air tightness conclusion can be obtained only by observing air bubbles above the motor chamber and the automobile electronic water pump rear cover shell. A motor is arranged in the motor chamber, the motor is started to drive the motor shaft, and then the simulation impeller simulates the air tightness of the piece to be detected in the working state, and the simulation impeller can also obtain the air tightness.
The annular plate is fixed in automobile electronic water pump rear cover casing outside, and cooperation airtight packing pad and sealed apron are in the same place with bolt and nut fastening, and is sealed effectual to automobile electronic water pump rear cover casing opening, prevents that the lower extreme opening from to the influence that the gas tightness detected, controls two U type sliding plates and presss from both sides automobile electronic water pump rear cover detection subassembly and slide on the stock.
The gas aspirator inflates and pressurizes the pneumatic telescopic rod through the gas-supply pipe, then the extension of the movable rod of the pneumatic telescopic rod drives the lower cover detection assembly of the automobile electronic water pump, then the lower connecting plate connected with the lower cover detection assembly of the automobile electronic water pump slides down, then the movable rod moves down, then the gas in the fixed inflator is extruded, and the cover shell is arranged behind the leading-in automobile electronic water pump of curled rubber gas-guide tube.
In order to prevent water leakage at the bottom when the rectangular airtight detection shell is turned upside down, a rubber sealing cushion, an upper cover plate and a rectangular rubber ring are mutually extruded and sealed, and extrusion force is from a pull ring pre-tightening mechanism.
The air nozzle rotary joint is connected with an air guide nozzle in a rotary mode to form a switching air transmission head, air in the fixed air cylinder is increased or reduced along with the up and down of the movable rod, and when the rectangular airtight detection shell is turned upside down, the fixed air cylinder pumps the air from the interior of the automobile electronic water pump rear cover shell through the curled rubber air guide pipe, so that negative pressure is formed. Need first piston to carry out extrusion gas, the assurance that the second piston carries out waterproof seepage and enters, two pistons help the movable rod to be rectilinear movement simultaneously.
The device has the advantages that the air tightness under each pressure action can be conveniently detected, the detection effect is good, the parameter adjusting function is realized, the positive and negative pressure tests can simultaneously detect the air tightness or the water tightness of two surfaces of a test piece, and the capability of detecting the hidden damage defect is strong.
Drawings
FIG. 1 is a schematic structural view of a rear cover air-tightness detection device for the production of an electronic water pump of an automobile according to the present invention;
FIG. 2 is a schematic view of a structural connection;
FIG. 3 is an enlarged view of the structure of FIG. 2 at A;
FIG. 4 is an enlarged view of the structure of FIG. 2 at B;
fig. 5 is a schematic view of a connection structure of the rotating frame.
In the figure: 1. a rotating frame; 11. a support frame; 12. rotating the column; 13. a threaded segment; 14. rotating the handle; 15. a left threaded sleeve; 16. a right thread bush; 17. a first hinge frame; 18. a second hinge frame; 19. fixing the disc; 2. a rectangular airtight detection case; 3. a long rod; 4. a rear cover detection assembly of the automobile electronic water pump; 41. a rear cover shell of the automobile electronic water pump; 42. a motor chamber; 43. a hermetic seal; 44. sealing the cover plate; 45. fastening the sealing assembly; 451. an annular plate; 452. a bolt and a nut; 453. a U-shaped sliding plate; 46. an air guide nozzle; 47. a motor; 48. a motor shaft; 49. simulating an impeller; 5. an inflation mechanism; 51. an air nozzle rotary joint; 52. curling the rubber air duct; 53. a fixed air cylinder; 54. a movable rod; 55. a strip-shaped connecting plate; 56. a first piston; 57. a second piston; 6. a pneumatic telescoping mechanism; 61. a pneumatic telescopic rod; 62. a gas delivery pipe; 63. a barometer; 64. a gas aspirator; 7. the upper cover of the shell is sealed; 71. a rubber sealing cushion; 72. an upper cover plate; 73. a rectangular rubber ring; 8. a pull ring pre-tightening mechanism; 9. air bubbles.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1:
as shown in fig. 1-5, in the embodiment of the present invention, a rear cover air-tightness detection device for automobile electronic water pump production includes a rotating frame 1, a rectangular air-tightness detection housing 2 is fixed on the rotating frame 1, two long rods 3 are symmetrically fixed at the bottom of the rectangular air-tightness detection housing 2, an automobile electronic water pump rear cover detection assembly 4 is slidably connected onto the long rods 3, an inflation mechanism 5 is connected to the bottom end of the automobile electronic water pump rear cover detection assembly 4, a pneumatic telescoping mechanism 6 is connected to the left end of the automobile electronic water pump rear cover detection assembly 4, the pneumatic telescoping mechanism 6 is connected to a housing upper cover sealing structure 7, and pre-tightening pull ring mechanisms 8 are arranged on two sides of the housing upper cover sealing structure 7.
In an embodiment of the invention, the principle utilized for detection is: the method comprises the steps of sealing a piece to be detected, injecting high-pressure gas into the piece, then putting the piece into water, and observing whether the bubbles 9 emitted are continuous or not, wherein if the bubbles 9 are continuous, the airtightness of the piece to be detected is poor, and even the workpiece has dark damage or defects.
In the embodiment of the invention, the rotating frame 1 can provide 180-degree rotation function, so that the rectangular airtight detection shell 2 can be reversed, when the rectangular airtight detection shell 2 is placed rightly, the air tightness of the high-pressure working state of the automobile electronic water pump rear cover detection assembly 4 can be detected, when the rectangular airtight detection shell 2 is placed backwards, the water tightness of the negative pressure state of the automobile electronic water pump rear cover detection assembly 4 can be detected, the inflation mechanism 5 provides high-pressure and negative-pressure gas for the automobile electronic water pump rear cover detection assembly 4, the pneumatic telescopic mechanism 6 serves as a pressure applying unit and actively extrudes or reduces the pressure of the automobile electronic water pump rear cover detection assembly 4, the air pressure of the inflation mechanism 5 is the same as that of the pneumatic telescopic mechanism 6 and can be read through the air pressure gauge 63 on the pneumatic telescopic mechanism 6, and thus the air tightness under each pressure action can be conveniently detected, the testing effect is good, the testing device also has the function of adjusting parameters, the positive and negative pressure tests can simultaneously carry out air tightness and water tightness detection on two surfaces of a test piece, and the capability of probing the hidden defect is strong.
Example 2:
as shown in fig. 1-5, in the embodiment of the present invention, the rotating frame 1 includes a supporting frame 11, a rotating column 12 is rotatably connected to the supporting frame 11, threaded sections 13 are symmetrically arranged on the left and right sides of the rotating column 12, a left threaded sleeve 15 and a right threaded sleeve 16 are respectively sleeved on the threaded sections 13 on both sides, the left threaded sleeve 15 and the right threaded sleeve 16 are respectively hinged to a first hinge frame 17 and a second hinge frame 18, the first hinge frame 17 and the second hinge frame 18 are hinged to a fixed plate 19, and a rotating handle 14 is connected to the right end of the rotating column 12.
In the embodiment of the invention, the handle 14 is manually rotated by the rotating frame 1, then the rotating column 12 is rotated, then the left threaded sleeve 15 and the right threaded sleeve 16 move on the threaded sections 13 at the two sides respectively, and then the fixed disc 19 is pulled by the first hinge frame 17 and the second hinge frame 18 to rotate, so that the purpose of turning the fixed disc 19 is achieved.
Example 3:
as shown in fig. 1 to 5, in the embodiment of the present invention, the hinge positions of the first hinge bracket 17 and the second hinge bracket 18 on the fixed plate 19 are opposite to the plate surface edge, and the thread directions of the thread sections 13 on both sides of the rotary post 12 are opposite.
In the embodiment of the present invention, the thread directions of the thread sections 13 on both sides of the rotation column 12 are opposite to each other, so that the left thread sleeve 15 and the right thread sleeve 16 are kept moving relatively when moving, the hinge positions of the first hinge bracket 17 and the second hinge bracket 18 on the fixed disk 19 are opposite to each other, so that the left thread sleeve 15 and the right thread sleeve 16 pull the first hinge bracket 17 and the second hinge bracket 18 when moving, and then the first hinge bracket 17 and the second hinge bracket 18 pull the fixed disk 19 to more easily achieve turning, it is worth mentioning that this structure utilizes the motion inertia of the rectangular airtight detection housing 2 when turning 90 degrees, and the rotation handle 14 controls the rotation column 12 to turn reversely when turning 90 degrees, so as to ensure that the rectangular airtight detection housing 2 continues to turn from 90 degrees to 180 degrees.
Example 4:
as shown in fig. 1-5, in the embodiment of the present invention, the rear cover detection assembly 4 of the electronic water pump for automobile includes a rear cover casing 41 of the electronic water pump for automobile, an upper end of the rear cover casing 41 of the electronic water pump for automobile is connected to a motor chamber 42, an opening end of the rear cover casing 41 of the electronic water pump for automobile is covered with an airtight sealing gasket 43, the airtight sealing gasket 43 is connected to a sealing cover plate 44, two ends of the sealing cover plate 44 are provided with fastening sealing assemblies 45, and a gas guiding nozzle 46 is connected to the center of the airtight sealing gasket 43 and the sealing cover plate.
In the embodiment of the invention, the air guide nozzle 46 is used for introducing air to pressurize the inner cavity of the automobile electronic water pump rear cover shell 41, the motor chamber 42 and the automobile electronic water pump rear cover shell 41 are integrated, and the air tightness detection is also carried out together, and the air tightness sealing gasket 43, the sealing cover plate 44 and the fastening sealing assembly 45 are a sealing means for sealing the opening of the automobile electronic water pump rear cover shell 41. Because the motor chamber 42 and the automotive electronic water pump rear cover shell 41 are immersed at the bottom of the rectangular airtight detection shell 2 filled with clean water, the air tightness can be concluded only by observing the air bubbles 9 above the motor chamber 42 and the automotive electronic water pump rear cover shell 41.
Example 5:
as shown in fig. 1 to 5, in the embodiment of the present invention, a motor 47 is installed in the motor chamber 42, a motor shaft 48 is connected to the motor 47, and a dummy impeller 49 is connected to the motor shaft 48.
In the embodiment of the invention, a motor 47 is arranged in the motor chamber 42, the motor 47 is started to drive the motor shaft 48, and then the simulated impeller 49 simulates the air tightness of the piece to be detected in the working state, which can be obtained similarly.
Example 6:
as shown in fig. 1 to 5, in the embodiment of the present invention, the fastening and sealing assembly 45 includes an annular plate 451, the annular plate 451 is fixed to the outer side of the rear cover housing 41 of the electronic water pump of the automobile, the annular plate 451, the airtight sealing pad 43 and the sealing cover plate 44 are fastened together by a bolt and nut 452, a U-shaped sliding plate 453 is fastened to the bolt and nut 452, and the U-shaped sliding plate 453 is slidably connected to the long rod 3.
In the embodiment of the present invention, the annular plate 451 is fixed to the outer side of the rear cover 41 of the electronic water pump of the vehicle, and is fastened together with the airtight seal 43 and the seal cover 44 by the bolt and the nut 452, so as to seal the opening of the rear cover 41 of the electronic water pump of the vehicle effectively and prevent the influence of the lower end opening on the airtightness detection, and the left and right U-shaped sliding plates 453 slide on the long rod 3 by sandwiching the rear cover detection assembly 4 of the electronic water pump of the vehicle.
Example 7:
as shown in fig. 1 to 5, in the embodiment of the present invention, the pneumatic telescoping mechanism 6 includes a pneumatic telescopic rod 61, the upper end of the pneumatic telescopic rod 61 is connected to a gas pipe 62, the gas pipe 62 is connected to a gas pressure gauge 63, and the gas pipe 62 is connected to a gas aspirator 64.
In the embodiment of the invention, the air aspirator 64 inflates and pressurizes the pneumatic telescopic rod 61 through the air pipe 62, then the movable rod of the pneumatic telescopic rod 61 extends to drive the rear cover detection component 4 of the automobile electronic water pump to slide downwards, then the strip-shaped connecting plate 55 connected with the rear cover detection component 4 of the automobile electronic water pump slides downwards, then the movable rod 54 moves downwards, then the air in the fixed air cylinder 53 is extruded, and the air is guided into the rear cover shell 41 of the automobile electronic water pump through the coiled rubber air duct 52.
Example 8:
as shown in fig. 1 to 5, in the embodiment of the present invention, the housing upper cover sealing structure 7 includes a rubber sealing cushion 71, an upper cover plate 72 covers the rubber sealing cushion 71, and rectangular rubber rings 73 are fixed to the rectangular airtight detection housing 2 at the lower ends of both sides of the rubber sealing cushion 71.
In the embodiment of the present invention, in order to prevent water leakage from the bottom when the rectangular airtight detection housing 2 is turned upside down, the rubber seal cushion 71, the upper cover plate 72 and the rectangular rubber ring 73 are configured to be pressed and sealed with each other, and the pressing force is from the pull ring pre-tightening mechanism 8.
Example 9:
as shown in fig. 1-5, in the embodiment of the present invention, the inflating mechanism 5 includes an air nozzle rotary joint 51, the air nozzle rotary joint 51 is connected to a coiled rubber air duct 52, the coiled rubber air duct 52 is connected to a fixed air cylinder 53, a movable rod 54 is sleeved in the fixed air cylinder 53, the movable rod 54 is connected to a strip-shaped connecting plate 55, and the strip-shaped connecting plate 55 is connected to the rear cover detecting assembly 4 of the electronic water pump of the automobile.
In the embodiment of the present invention, the air nozzle rotary joint 51 is rotatably connected with the air guide nozzle 46 to form a rotary air delivery joint, the air in the fixed air cylinder 53 increases or decreases along with the up and down movement of the movable rod 54, and when the rectangular airtight detection housing 2 is turned upside down, the fixed air cylinder 53 pumps the air from the interior of the automobile electronic water pump rear cover housing 41 through the coiled rubber air duct 52, so that a negative pressure is formed.
Example 10:
as shown in fig. 1 to 5, in the embodiment of the present invention, a first piston 56 and a second piston 57 are connected to the bottom end of the movable rod 54, and a certain distance is provided between the first piston 56 and the second piston 57.
In the embodiment of the present invention, the first piston 56 is required to compress the gas, the second piston 57 is ensured to be waterproof against the leakage of the gas, and both pistons contribute to the linear movement of the movable rod 54.
The embodiment of the invention provides the rear cover air tightness detection device for the production of the automobile electronic water pump, the device can conveniently detect the air tightness under the action of each pressure, has good detection effect and parameter adjusting function, can simultaneously detect the air tightness or water tightness of two surfaces of a test piece by positive and negative pressure tests, and has strong capability of detecting the hidden damage defects.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a lid gas tightness detection device after automobile electronic water pump production is with, includes swivel mount (1), its characterized in that, be fixed with the airtight casing that detects of rectangle (2) on swivel mount (1), the airtight casing that detects of rectangle (2) bottom symmetry is fixed with two stock (3), sliding connection has lid determine module (4) behind the automobile electronic water pump on stock (3), lid determine module (4) bottom is connected with aerifys mechanism (5) behind the automobile electronic water pump, lid determine module (4) left end is connected with pneumatic telescopic machanism (6) behind the automobile electronic water pump, pneumatic telescopic machanism (6) are connected with casing upper cover seal structure (7), casing upper cover seal structure (7) both sides are equipped with pull ring pretension mechanism (8).
2. The rear cover air-tightness detection device for the production of the automobile electronic water pump according to claim 1, wherein the rotating frame (1) comprises a support frame (11), a rotating column (12) is rotatably connected to the support frame (11), threaded sections (13) are symmetrically arranged on the left and right sides of the rotating column (12), a left threaded sleeve (15) and a right threaded sleeve (16) are respectively sleeved on the threaded sections (13) on the two sides, the left threaded sleeve (15) and the right threaded sleeve (16) are respectively hinged to a first hinge frame (17) and a second hinge frame (18), the first hinge frame (17) and the second hinge frame (18) are hinged to a fixed disc (19), and a rotating handle (14) is connected to the right end of the rotating column (12).
3. The rear cover air-tightness detection device for the production of the automobile electronic water pump as claimed in claim 2, wherein the hinge positions of the first hinge bracket (17) and the second hinge bracket (18) on the fixed disc (19) are opposite to the disc surface edge, and the thread directions of the thread sections (13) on both sides of the rotating column (12) are opposite.
4. The rear cover air-tightness detection device for the production of the automobile electronic water pump according to claim 1, wherein the rear cover detection assembly (4) of the automobile electronic water pump comprises a rear cover shell (41) of the automobile electronic water pump, a motor chamber (42) is connected to the upper end of the rear cover shell (41) of the automobile electronic water pump, an air-tight sealing gasket (43) is covered on an opening end of the rear cover shell (41) of the automobile electronic water pump, a sealing cover plate (44) is connected to the air-tight sealing gasket (43), fastening sealing assemblies (45) are arranged at two ends of the sealing cover plate (44), and an air guide nozzle (46) is connected to the center parts of the sealing cover plate (44) and the air-tight sealing gasket (.
5. The rear cover air-tightness detecting device for the production of the automobile electronic water pump as claimed in claim 4, wherein a motor (47) is installed in the motor chamber (42), a motor shaft (48) is connected to the motor (47), and a dummy impeller (49) is connected to the motor shaft (48).
6. The rear cover air-tightness detecting device for the production of the automobile electric water pump as claimed in claim 4, wherein the fastening and sealing assembly (45) comprises an annular plate (451), the annular plate (451) is fixed on the outer side of the rear cover housing (41) of the automobile electric water pump, the annular plate (451), the air-tight sealing gasket (43) and the sealing cover plate (44) are fastened together by a bolt nut (452), a U-shaped sliding plate (453) is clamped on the bolt nut (452), and the U-shaped sliding plate (453) is slidably connected on the long rod (3).
7. The rear cover airtightness detection device for the production of the automotive electronic water pump, according to claim 1, is characterized in that the pneumatic telescoping mechanism (6) comprises a pneumatic telescopic rod (61), an air pipe (62) is connected to the upper end of the pneumatic telescopic rod (61), an air pressure gauge (63) is connected to the air pipe (62), and an air aspirator (64) is connected to the air pipe (62).
8. The rear cover air-tightness detection device for the production of the automobile electronic water pump as claimed in claim 1, wherein the housing upper cover sealing structure (7) comprises a rubber sealing cushion (71), the rubber sealing cushion (71) is covered with an upper cover plate (72), and rectangular rubber rings (73) are fixed on the rectangular air-tightness detection housing (2) at the lower ends of the two sides of the rubber sealing cushion (71).
9. The rear cover air-tightness detection device for the production of the automotive electronic water pump according to claim 1, characterized in that the air inflation mechanism (5) comprises an air faucet rotary joint (51), the air faucet rotary joint (51) is connected with a coiled rubber air duct (52), the coiled rubber air duct (52) is connected with a fixed air cylinder (53), the fixed air cylinder (53) is sleeved with a movable rod (54), the movable rod (54) is connected with a strip-shaped connecting plate (55), and the strip-shaped connecting plate (55) is connected with the rear cover detection component (4) of the automotive electronic water pump.
10. The rear cover air-tightness detecting device for the production of the automobile electronic water pump as claimed in claim 9, wherein a first piston (56) and a second piston (57) are connected to a bottom end of the movable rod (54), and a certain distance is provided between the first piston (56) and the second piston (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569306.0A CN112683460A (en) | 2020-12-26 | 2020-12-26 | Rear cover air tightness detection device for automobile electronic water pump production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011569306.0A CN112683460A (en) | 2020-12-26 | 2020-12-26 | Rear cover air tightness detection device for automobile electronic water pump production |
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| CN112683460A true CN112683460A (en) | 2021-04-20 |
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| CN202011569306.0A Withdrawn CN112683460A (en) | 2020-12-26 | 2020-12-26 | Rear cover air tightness detection device for automobile electronic water pump production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115877820A (en) * | 2022-12-05 | 2023-03-31 | 张骏 | New energy automobile electronic water pump controller production detection device |
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2020
- 2020-12-26 CN CN202011569306.0A patent/CN112683460A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115877820A (en) * | 2022-12-05 | 2023-03-31 | 张骏 | New energy automobile electronic water pump controller production detection device |
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Application publication date: 20210420 |