CN114544094A - Water pump cavity gas tightness detection device - Google Patents
Water pump cavity gas tightness detection device Download PDFInfo
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- CN114544094A CN114544094A CN202210081712.5A CN202210081712A CN114544094A CN 114544094 A CN114544094 A CN 114544094A CN 202210081712 A CN202210081712 A CN 202210081712A CN 114544094 A CN114544094 A CN 114544094A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/10—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for containers, e.g. radiators
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- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to the technical field of water pump cavity air tightness detection, in particular to a water pump cavity air tightness detection device which comprises a fixed seat, wherein a supporting plate is fixed on the top surface of the fixed seat, a clamping and sealing mechanism for clamping and sealing two sides of a water pump shell is arranged on one side of the supporting plate, a groove is formed in the top surface of the fixed seat, the inner bottom surface of the groove is inclined, an inserting hole is formed in the inner bottom surface of the groove, and an inflation detection mechanism for inflating and detecting the interior of the water pump shell is arranged in the inserting hole; a water adding mechanism for automatically adding water solution into the groove is arranged on one side of the groove; this scheme is at the testing process, through observing whether the pump housing produces the bubble with inflation inlet hookup location, is favorable to in time judging whether the condition that whether water pump housing and inflation inlet hookup location have gas leakage takes place to prevent to take place because water pump housing and inflation inlet hookup location take place gas leakage and cause the unsafe condition of detection to take place.
Description
Technical Field
The invention relates to the field of air tightness detection of a water pump cavity, in particular to an air tightness detection device of the water pump cavity.
Background
Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal.
The prior art discloses partial invention patents related to a water pump cavity air tightness detection device, and Chinese patent with application number of 201910659339.5, and discloses an air tightness detection device for water pump manufacturing, which comprises a machine table, a rear end cover and a pressing rod; the left side of the front end face of the machine table is hinged with a group of connecting plates; the middle part of the connecting plate is in threaded connection with a group of first handles; three groups of the pressing rods are uniformly hinged on the outer side of the lower end cover; a group of lifting connecting rods are hinged below the three groups of pressing rods; the lifting connecting rod is in sliding connection with the machine table; the lifting connecting rod is internally threaded with a group of lifting screws; the lifting screw rod is in axial connection with the machine table.
The cavity at the top of the water pump is generally welded on the shell, the welding between the cavity and the water pump shell requires air tightness, most of the existing modes are that the air is inflated into the cavity, the air pressure value inside the cavity is detected again, whether the air tightness of the water pump is qualified is judged, the air tightness detection device for the cavity of the water pump is used for inflating the inside of the water pump, the force applied to the position where the water pump is connected with an inflation inlet is the largest, the position is easy to leak air, but the air tightness detection device in the prior art is difficult to detect whether the air leaks from the inflation inlet in time, if the air leaks from the inflation inlet in time, the accuracy of a detection result is adversely affected, and therefore, the air tightness detection device for the cavity of the water pump is provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a water pump cavity airtightness detection device.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a water pump cavity airtightness detection device comprises a fixed seat, wherein a supporting plate is fixed on the top surface of the fixed seat, a clamping and sealing mechanism for clamping and sealing two sides of a water pump shell is arranged on one side of the supporting plate, a groove is formed in the top surface of the fixed seat, the inner bottom surface of the groove is inclined, an insertion hole is formed in the inner bottom surface of the groove, and an inflation detection mechanism for performing inflation detection on the interior of the water pump shell is arranged inside the insertion hole; a water adding mechanism for automatically adding water solution into the groove is arranged on one side of the groove, a water discharging chamber is arranged on the fixed seat below the groove, a plurality of first water permeable holes communicated with the inside of the groove are formed in the top surface of the water discharging chamber, an adjusting mechanism for adjusting the opening and closing of the first water permeable holes is arranged at the bottom of the first water permeable holes, when the clamping and sealing mechanism clamps the water pump, the adjusting mechanism seals the first water permeable holes, and when the clamping and sealing mechanism cancels clamping of the water pump, the adjusting mechanism synchronously opens the first water permeable holes; when the air tightness detection device of the water pump cavity works, in the process of inflating the interior of the water pump, the position where the water pump is connected with the inflation inlet is subjected to the largest force, so that the position is easy to leak air, but the air tightness detection device in the prior art is difficult to detect whether the air is leaked from the inflation inlet in time, and if the air is not leaked from the inflation inlet in time in the inflation process, the detection result accuracy is adversely affected. When the clamping and sealing mechanism clamps the water pump shell, the adjusting mechanism seals the first water permeable hole, the water adding mechanism automatically adds water into the groove, when water is not at the position where the water pump shell is connected with the inflation inlet, the water adding mechanism automatically stops adding water, then the inflation detection mechanism inflates the interior of the water pump shell, the air tightness of the water pump shell is detected, after the detection is finished, the clamping of the water pump is cancelled through the clamping and sealing mechanism, the adjusting mechanism synchronously opens the first water permeable hole, because the inner bottom surface of the groove is inclined, water flow in the groove is automatically discharged into the drainage chamber through the first water permeable hole, and in the detection process, whether bubbles are generated at the position where the water pump is connected with the inflation inlet or not is observed, so that whether air leakage occurs at the position where the water pump is connected with the inflation inlet or not is favorably and timely judged, thereby preventing the inaccurate detection caused by air leakage at the connecting position of the water pump and the inflation inlet.
Preferably, the clamping and sealing mechanism comprises two U-shaped rods, the U-shaped rods are arranged on the top surface of the fixed seat, two ends of each U-shaped rod are fixed on the side wall of the supporting plate, a connecting plate is fixed between the two U-shaped rods, an electric push rod is fixed on one side of the connecting plate away from the supporting plate, a piston rod of the electric push rod penetrates through the connecting plate and is fixed with an extrusion plate after extending out, the extrusion plate is connected to the side wall of the U-shaped rods in a sliding manner, and sealing plugs are fixed on the supporting plate and the extrusion plate; the during operation, put into back between stripper plate and the backup pad when water pump shell, through starting electric putter, electric putter's piston rod promotes the stripper plate and removes to one side that is close to the backup pad, it is fixed to extrude water pump shell through backup pad and stripper plate, and two sealing plugs synchronous insertion water pump shell's inside, the opening part to water pump shell both sides is sealed, be favorable to carrying out stable support and sealed to water pump shell, prevent the testing process in the later stage, water pump shell takes place to rock, lead to sealed department gas leakage, and then lead to the unsafe condition of testing result to take place.
Preferably, one side of the supporting plate, which is close to the extrusion plate, is provided with a first guide mechanism for guiding and inserting one side of the water pump shell, the first guide mechanism comprises a first guide plate, the side wall of the first guide plate is slidably connected to the side wall of the U-shaped rod, a plurality of first springs are jointly fixed between the first guide plate and the supporting plate, a first limiting column is inserted into each first spring, one end of each first limiting column is fixed on the side wall of the supporting plate, the other end of each first limiting column is in contact with the corresponding first guide plate, the surface of each first guide plate is provided with a abdicating through groove corresponding to the corresponding sealing plug, and the top end of the side, which is close to the extrusion plate, of each first guide plate is provided with an inclined surface; during operation, when not inserting water pump housing, under the elastic force effect of first spring, promote first guide board and keep away from the backup pad for the sealing plug is located between backup pad and the first guide board, prevents when water pump housing inserts, and the sealing plug stops the water pump, and the inclined plane has been seted up to one side that first guide board is close to the stripper plate, is favorable to making the water pump insert fast between backup pad and the first guide board.
Preferably, a second guide mechanism used for guiding and inserting the other side of the water pump is arranged on one side, close to the supporting plate, of the extrusion plate, the second guide mechanism comprises two second guide plates, the two second guide plates are symmetrically arranged on one side of the extrusion plate, the two second guide plates are connected to the side wall of the U-shaped rod in a sliding mode, a second spring is fixed between the two second guide plates and the extrusion plate, a second limiting column is inserted into the second spring, one end of the second limiting column is fixed to the outer wall of the extrusion plate, the other end of the second limiting column is in contact with the second guide plates, and an inclined surface is formed in the top end, close to the side face of the supporting plate, of each second guide plate; during operation, when not inserting water pump housing, under the elastic force effect of second spring, promote the second guide board and keep away from the stripper plate for the sealing plug is located between stripper plate and the second guide board, prevents when water pump housing inserts, and the sealing plug stops water pump housing, and the inclined plane has been seted up to one side that the second guide board is close to the backup pad, is favorable to making the water pump insert fast between first guide board and the second guide board.
Preferably, a pressing mechanism is arranged between the two second guide plates, when the water pump housing is clamped by the squeezing plate, the pressing mechanism synchronously squeezes the water pump housing downwards, the pressing mechanism comprises a pressing plate, the pressing plate is arranged between the two second guide plates, the pressing plate is vertically and slidably connected to the outer wall of the squeezing plate, first chutes are symmetrically formed in the side wall of the pressing plate, one ends of the two first chutes, which are close to the squeezing plate, are higher than the other ends of the two first chutes, guide pins are inserted into the two first chutes, and the two guide pins are respectively fixed on the side walls of the corresponding second guide plates; the during operation, when the stripper plate extrudees to one side that is close to the water pump casing, the second guide board removes along with the stripper plate, under the extrusion of stripper plate and water pump casing, the second guide board removes to stripper plate one side, and compress the second spring, the guide pin removes along with the second guide board, and under the guide effect through guide pin and first chute, make the pressure board remove downwards, and extrude the location to the top of water pump shell in step, make the air inlet of water pump shell bottom carry out in close contact with the opening border of inserting the establishing hole, be favorable to further strengthening the stability of water pump casing in the testing process.
Preferably, the inflation detection mechanism comprises an inflation hole and an air tightness detector, the air tightness detector is fixed on one side of the fixed seat, the inflation hole is formed in the inner bottom surface of the insertion hole, the inflation hole penetrates through the fixed seat and extends out, an inflation end of the air tightness detector is communicated with the inflation hole, and an elastic cushion is fixed at the opening edge of the top surface of the inflation hole; during operation, through setting up the cushion, seal water pump shell and inflation hole junction, the end of giving vent to anger of gas tightness detector with aerify the hole and pass through the fixed intercommunication of external pipe, aerify to aerifing downthehole portion through the gas tightness detector, aerify to water pump shell inside through aerifing the hole, aerify the completion back, detect the pressure of water pump shell inside through the gas tightness detector to judge whether qualified to water pump shell's gas tightness.
Preferably, a dustproof mechanism used for shielding and preventing dust at the insertion hole is arranged above the insertion hole and comprises a guide ring, the guide ring is sleeved outside the insertion hole and fixed on the inner bottom surface of the groove, a pressing plate is vertically and slidably connected inside the guide ring, a third spring is jointly fixed between the pressing plate and the inner bottom surface of the groove, a through chute is formed in the side wall of one end of the pressing plate, a shielding plate is slidably connected inside the chute, guide columns are fixed on two sides of the shielding plate, two second chutes are symmetrically formed in the inner side wall of the guide ring, the height of one end, close to the insertion hole, of each second chute is larger than that of the other end of each second chute, and the guide columns are inserted into the second chutes; during operation, in daily use, insert and establish the inside impurity such as dust that drops easily of hole, cause the condition of aerifing the hole jam to take place, examine time measuring not, under the spring action of third spring, shelter from the opening part of guide ring through clamp plate and shielding plate, prevent that impurity such as dust from dropping, examine time measuring when needs, inside the guiding groove is inserted through the outlet pipe with the water pump housing, make the clamp plate downstream, and drive the shielding plate downstream, under the guide effect of guide post and second chute, drive the shielding plate and remove to keeping away from one side of inserting the hole, thereby spill the position of establishing the hole, the water pump of being convenient for inserts and establishes downthehole portion.
Preferably, the adjusting mechanism comprises a plugging plate, a strip-shaped groove and a linkage rod, the strip-shaped groove is formed in the side wall of the fixing seat and communicated with the inside of the drainage chamber, the plugging plate is connected to the inner top surface of the drainage chamber in a sliding mode, a plurality of second water permeable holes corresponding to the first water permeable holes are formed in the plugging plate, the first water permeable holes and the second water permeable holes are arranged in a staggered mode, a fourth spring is jointly fixed between one end of the plugging plate and the inner wall of the drainage chamber, a pushing rod is fixed to the side wall of the plugging plate, the pushing rod penetrates through the strip-shaped groove and extends out, one end of the linkage rod is fixed to the side wall of the extrusion plate, and the other end of the linkage rod is in contact with the pushing rod; when the water pump casing is not detected, the first water permeable hole and the second water permeable hole are in a communicated state, when the water pump casing is extruded by the extrusion plate, the linkage rod is driven by the extrusion plate to move towards one side close to the support plate, so that the push rod is pushed by the linkage rod, the blocking plate is driven by the push rod to move towards one side close to the support plate, so that the first water permeable hole and the second water permeable hole are alternately closed, water can be conveniently added into the groove through the water adding mechanism, after the detection is finished, the linkage rod moves towards one side far away from the support plate along with the extrusion plate, under the elastic force of the fourth spring, the blocking plate is pushed to move towards one side far away from the support plate, so that the first water permeable hole and the second water permeable hole are in a communicated state, water flow in the groove flows into the drainage chamber from the first water permeable hole and the second water permeable hole, so that the water flow in the groove is timely drained after the detection is finished, the new water pump shell is convenient to install in subsequent detection.
Preferably, the water adding mechanism comprises a water tank and a water inlet, the water tank is fixed on one side of the supporting plate, the water inlet is formed in the side wall of the groove, a water outlet pipe of the water tank is communicated with the water inlet, and an automatic adjusting mechanism for automatically opening and closing the water inlet is arranged in the groove and located at the water inlet; the during operation, carry out the retaining through setting up the water tank, rivers are along the outlet pipe, inside water inlet flow direction recess, through observing whether the pump produces the bubble with inflation inlet hookup location, be favorable to in time judging whether the condition that pump and inflation inlet hookup location have gas leakage takes place, thereby prevent to cause the unsafe condition of detection to take place because water pump and inflation inlet hookup location take place gas leakage, and through the switching that sets up automatic regulating mechanism control water inlet, be favorable to in time opening or closing the water inlet, and need not artifical manual operation, convenient and fast.
Preferably, the automatic adjusting mechanism comprises a rectangular frame, an adjusting groove and an adjusting rod, the rectangular frame is sleeved outside the water inlet, the rectangular frame is fixed on the inner side wall of the groove, the adjusting groove is formed in the side wall of the groove and is communicated with the inside of the rectangular frame, a floating block is connected inside the rectangular frame in a sliding mode, an extending rod is fixed at one end of the floating block, the extending rod penetrates through the adjusting groove and extends out, one end of the adjusting rod is fixed on the side wall of the plugging plate, a supporting block is fixed at the other end of the adjusting rod after penetrating through the strip-shaped groove, the supporting block is in sliding contact with the side wall of the fixing seat, an inclined surface is formed in the top end, close to the extending rod, of the supporting block, and a limiting plate is fixed at the top end of the supporting block; when the water pump is in work, the supporting block is positioned below the extension rod when the water pump is not detected, the extension rod is supported by the supporting block, so that the water inlet is blocked by the floating plate, the water is prevented from flowing out from the water inlet when the water pump is not detected, when the water pump is detected, the blocking plate drives the supporting block to move to one side close to the supporting plate by the adjusting rod, so that the supporting block is separated from the extension rod, the floating plate moves downwards under the action of gravity and is separated from the water inlet, so that the water inlet is opened, the water flows to the inside of the groove from the water inlet, when the water flows do not flow through the joint of the water pump shell and the inflation inlet, the floating block rises along with the water flow under the action of buoyancy, so that the water inlet is closed in time, when the water is drained after the detection is finished, the blocking plate drives the supporting block to move to the position below the extension rod again, so as to support the extension rod, so that the sealing state of the water inlet is maintained by the floating plate, the automatic adjusting mechanism is arranged to control the water inlet to be opened and closed, so that the water inlet can be opened or closed in time, manual operation is not needed, and convenience and rapidness are achieved.
Compared with the prior art, the invention has the following beneficial effects:
firstly, when in detection, a water pump shell is placed on the top surface of a fixed seat, an opening at one end of the water pump is inserted into a hole, the two sides of the water pump shell are clamped and sealed through a clamping and sealing mechanism, so that the water pump shell is stably supported, the situation that the detection result is inaccurate due to the fact that the water pump shakes in the later detection process is prevented, when the clamping and sealing mechanism clamps the water pump shell, an adjusting mechanism seals a first water permeable hole, a water adding mechanism automatically adds water into a groove, when the water does not pass through the connecting position of the water pump shell and an inflation inlet, the water adding mechanism automatically stops adding water, then the interior of the water pump shell is inflated through an inflation detection mechanism, the air tightness of the water pump shell is detected, after the detection is finished, the clamping of the water pump is cancelled through the clamping and sealing mechanism, and the adjusting mechanism synchronously opens the first water permeable hole, because the inner bottom surface of recess is the slope form for the inside rivers of recess are automatic to be arranged to the drainage chamber through first hole of permeating water inside, and in the testing process, through observing whether the bubble produces with inflation inlet hookup location, be favorable to in time judging whether the condition that water pump and inflation inlet hookup location have gas leakage takes place, thereby prevent to take place because water pump and inflation inlet hookup location take place gas leakage and cause the unsafe condition of detection to take place.
Two, when not inserting water pump shell, under the elastic force effect of second spring, promote the second guide board and keep away from the stripper plate for the sealing plug is located between stripper plate and the second guide board, prevents when water pump shell inserts, and the sealing plug stops the water pump, and the inclined plane has been seted up to one side that the second guide board is close to the backup pad, is favorable to making the water pump insert fast between first guide board and the second guide board.
Thirdly, when the stripper plate extrudees to one side that is close to the water pump casing, the second guide board removes along with the stripper plate, under the extrusion of stripper plate and water pump casing, the second guide board removes to stripper plate one side, and compress the second spring, the guide pin removes along with the second guide board, and under the guide effect through guide pin and first chute, make the pressure movable plate remove downwards, and extrude the location to the top of water pump shell in step, make the air inlet of water pump shell bottom carry out in close contact with the opening border of inserting the establishing hole, be favorable to further strengthening the stability of water pump casing in the testing process.
Fourth, in daily use, insert and establish the inside impurity such as dust that drops easily of hole, cause the condition of inflating hole jam to take place, examine time measuring not, under the spring action of third spring, shelter from the opening part of guide ring through clamp plate and shielding plate, prevent that impurity such as dust from dropping, examine time measuring when needs, inside the guiding groove is inserted through the outlet pipe with the water pump housing, make the clamp plate downstream, and drive the shielding plate downstream, under the guide effect of guide post and second chute, drive the shielding plate and remove to keeping away from one side of inserting the hole, thereby spill and insert the position of establishing the hole, be convenient for the water pump to insert and establish downthehole portion.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of a hole site structure on a water pump housing according to the present invention.
Fig. 3 is a schematic structural diagram of a first overall cross section of the present invention.
Fig. 4 is a schematic structural diagram of the invention at a in fig. 3.
Fig. 5 is a schematic structural diagram of the position B in fig. 3 according to the present invention.
Fig. 6 is a schematic view of the overall (water pump housing and clamping mechanism removed) structure of the present invention.
Fig. 7 is a second overall cross-sectional rear structure diagram of the present invention.
Fig. 8 is a schematic structural view of the invention at C in fig. 7.
Fig. 9 is a schematic view of the overall (rear) structure of the present invention.
Fig. 10 is a schematic diagram of the structure at position D in fig. 9 according to the present invention.
Fig. 11 is a schematic diagram of the structure at E in fig. 9 according to the present invention.
Fig. 12 is a third overall cross-sectional rear structure diagram of the present invention.
Fig. 13 is a schematic view of the structure at F in fig. 12 according to the present invention.
Fig. 14 is a fourth overall cross-sectional rear structure diagram of the present invention.
Fig. 15 is a schematic view of the structure at G in fig. 14 according to the present invention.
In the figure: 1. a fixed seat; 2. a support plate; 3. a groove; 4. inserting the holes; 5. a drain chamber; 6. a first water permeable hole; 7. a U-shaped rod; 8. a connecting plate; 9. an electric push rod; 10. a pressing plate; 11. a sealing plug; 12. a first guide plate; 13. a first spring; 14. a first limit post; 15. a yielding through groove; 16. a second guide plate; 17. a second spring; 18. a second limit post; 19. pressing the movable plate; 20. a first chute; 21. a guide pin; 22. an inflation hole; 23. an air tightness detector; 24. an elastic pad; 25. a guide ring; 26. pressing a plate; 27. a third spring; 28. a chute; 29. a shielding plate; 30. a guide post; 31. a second chute; 32. a plugging plate; 33. a strip-shaped groove; 34. a linkage rod; 35. a second water permeable hole; 36. a fourth spring; 37. a push rod; 38. a water tank; 39. a water inlet; 40. a rectangular frame; 41. an adjustment groove; 42. floating blocks; 43. an extension rod; 44. adjusting a rod; 45. a support block; 46. a limiting plate; 47. and (4) a water pump shell.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
The water pump cavity airtightness detection device shown in fig. 1 to 15 comprises a fixed seat 1, wherein a support plate 2 is fixed on the top surface of the fixed seat 1, a clamping and sealing mechanism for clamping and sealing two sides of a water pump shell 47 is arranged on one side of the support plate 2, a groove 3 is formed in the top surface of the fixed seat 1, the inner bottom surface of the groove 3 is inclined, an insertion hole 4 is formed in the inner bottom surface of the groove 3, and an inflation detection mechanism for performing inflation detection on the interior of the water pump shell 47 is arranged inside the insertion hole 4; a water adding mechanism for automatically adding water solution into the groove 3 is arranged on one side of the groove 3, a water discharging chamber 5 is arranged at the position, below the groove 3, of the fixed seat 1, a plurality of first water permeable holes 6 communicated with the inside of the groove 3 are formed in the top surface of the water discharging chamber 5, an adjusting mechanism for adjusting the opening and closing of the first water permeable holes 6 is arranged at the bottom of the first water permeable holes 6, when the clamping and sealing mechanism clamps the water pump, the adjusting mechanism seals the first water permeable holes 6, and when the clamping and sealing mechanism cancels clamping of the water pump, the adjusting mechanism synchronously opens the first water permeable holes 6; when the air tightness detection device for the water pump cavity works, in the process of inflating the interior of the water pump, the position where the water pump is connected with the inflation inlet is subjected to the largest force, so that the position is easy to leak air, but the air tightness detection device in the prior art is difficult to detect whether the air leakage exists at the inflation inlet in time, and if the air leakage does not exist at the inflation inlet in time, the detection result is adversely affected in accuracy. The water pump shakes to cause inaccurate detection results, when the clamping and sealing mechanism clamps the water pump shell 47, the adjusting mechanism seals the first water permeable hole 6, the water adding mechanism automatically adds water into the groove 3, when the water is beyond the connecting position of the water pump shell 47 and the inflation inlet, the water adding mechanism automatically stops adding water, then the inflation detecting mechanism inflates the inner part of the water pump shell 47, the air tightness of the water pump shell 47 is detected, after the detection is finished, the clamping of the water pump is cancelled through the clamping and sealing mechanism, the adjusting mechanism synchronously opens the first water permeable hole 6, as the inner bottom surface of the groove 3 is inclined, the water flow in the groove 3 is automatically discharged into the drainage chamber 5 through the first water permeable hole 6, in the detection process, whether bubbles are generated at the connecting position of the water pump and the inflation inlet or not is observed, the condition that whether air leakage occurs at the connecting position of the water pump and the inflation inlet or not is conveniently judged in time, thereby preventing the inaccurate detection caused by air leakage at the connecting position of the water pump and the inflation inlet.
As a further embodiment of the invention, the clamping and sealing mechanism comprises two U-shaped rods 7, the U-shaped rods 7 are arranged on the top surface of the fixed seat 1, two ends of each U-shaped rod 7 are fixed on the side wall of the supporting plate 2, a connecting plate 8 is jointly fixed between the two U-shaped rods 7, an electric push rod 9 is fixed on one side of the connecting plate 8 far away from the supporting plate 2, a piston rod of the electric push rod 9 penetrates through the connecting plate 8 and is fixed with a squeezing plate 10 after extending out, the squeezing plate 10 is slidably connected on the side wall of each U-shaped rod 7, and sealing plugs 11 are fixed on the supporting plate 2 and the squeezing plate 10; the during operation, put into back between stripper plate 10 and the backup pad 2 when water pump shell 47, through starting electric putter 9, electric putter 9's piston rod promotes stripper plate 10 and removes to one side that is close to backup pad 2, extrude fixedly water pump shell 47 through backup pad 2 and stripper plate 10, and two sealing plugs 11 synchronous insertion water pump shell 47's inside, seal the opening part of water pump shell 47 both sides, be favorable to carrying out stable support and sealed to water pump shell 47, prevent in the testing process in the later stage, water pump shell 47 takes place to rock, lead to the sealed department gas leakage, and then lead to the unsafe condition of testing result to take place.
As a further embodiment of the present invention, a first guide mechanism for guiding and inserting one side of the water pump housing is disposed on one side of the supporting plate 2 close to the extrusion plate 10, the first guide mechanism includes a first guide plate 12, a side wall of the first guide plate 12 is slidably connected to a side wall of the U-shaped rod 7, a plurality of first springs 13 are jointly fixed between the first guide plate 12 and the supporting plate 2, a first limit post 14 is inserted inside the first spring 13, one end of the first limit post 14 is fixed on the side wall of the supporting plate 2, the other end of the first limit post 14 is in contact with the first guide plate 12, a abdicating through groove 15 corresponding to the sealing plug 11 is disposed on the surface of the first guide plate 12, and an inclined surface is disposed at the top end of the side of the first guide plate 12 close to the extrusion plate 10; during operation, when not inserting water pump housing 47, under the spring action of first spring 13, promote first guide board 12 and keep away from backup pad 2 for sealing plug 11 is located between backup pad 2 and first guide board 12, prevents when water pump housing 47 inserts, and sealing plug 11 blocks the water pump, and first guide board 12 is close to one side of stripper plate 10 and has seted up the inclined plane, is favorable to making the water pump insert fast between backup pad 2 and the first guide board 12.
As a further embodiment of the invention, a second guide mechanism for guiding and inserting the other side of the water pump is arranged on one side of the extrusion plate 10 close to the support plate 2, the second guide mechanism comprises two second guide plates 16, the two second guide plates 16 are symmetrically arranged on one side of the extrusion plate 10, the two second guide plates 16 are both slidably connected to the side wall of the U-shaped rod 7, a second spring 17 is jointly fixed between the two second guide plates 16 and the extrusion plate 10, a second limit post 18 is inserted into the second spring 17, one end of the second limit post 18 is fixed on the outer wall of the extrusion plate 10, the other end of the second limit post 18 is in contact with the second guide plates 16, and the top end of the side surface of the second guide plate 16 close to the support plate 2 is provided with an inclined surface; during operation, when not inserting water pump housing 47, under the spring action of second spring 17, promote second guide board 16 and keep away from stripper plate 10 for sealing plug 11 is located between stripper plate 10 and second guide board 16, prevents when water pump housing 47 inserts, and sealing plug 11 blocks water pump housing 47, and second guide board 16 is close to the inclined plane of having seted up in one side of backup pad 2, is favorable to making the water pump insert fast between first guide board 12 and the second guide board 16.
As a further embodiment of the present invention, a pressing mechanism is arranged between the two second guide plates 16, and when the pressing plate 10 clamps the water pump housing, the pressing mechanism synchronously presses the water pump housing downwards, the pressing mechanism includes a pressing plate 19, the pressing plate 19 is arranged between the two second guide plates 16, the pressing plate 19 is vertically and slidably connected to the outer wall of the pressing plate 10, first chutes 20 are symmetrically formed on the side wall of the pressing plate 19, one ends of the two first chutes 20 close to the pressing plate 10 are higher than the other ends of the two first chutes 20, guide pins 21 are inserted into the two first chutes 20, and the two guide pins 21 are respectively fixed on the side walls of the corresponding second guide plates 16; in operation, when the stripper plate 10 extrudees to the one side that is close to the water pump casing, second guide 16 board moves along with stripper plate 10, under the extrusion of stripper plate 10 and water pump casing, second guide board 16 moves to stripper plate 10 one side, and compress second spring 17, guide pin 21 moves along with second guide 16 board, and under the guide effect through guide pin 21 and first chute 20, make pressure movable plate 19 remove downwards, and extrude the location to the top of water pump shell 47 in step, make the air inlet of water pump shell 47 bottom and insert the opening border of establishing hole 4 and carry out in close contact with, be favorable to further strengthening the stability of water pump casing in the testing process.
As a further embodiment of the invention, the inflation detection mechanism comprises an inflation hole 22 and an air tightness detector 23, the air tightness detector 23 is fixed on one side of the fixed seat 1, the inflation hole 22 is arranged on the inner bottom surface of the insertion hole 4, the inflation hole 22 penetrates through the fixed seat 1 and extends out, the inflation end of the air tightness detector 23 is communicated with the inflation hole 22, and an elastic cushion 24 is fixed at the opening edge of the top surface of the inflation hole 22; during operation, through setting up cushion 24, seal water pump shell 47 and inflation hole 22 junction, the end of giving vent to anger of gas tightness detector 23 and inflation hole 22 are through the fixed intercommunication of external pipe, aerify to inflation hole 22 inside through gas tightness detector 23, aerify to water pump shell 47 inside through inflation hole 22, aerify the back of accomplishing, detect the pressure of water pump shell 47 inside through gas tightness detector 23 to judge whether qualified the gas tightness of water pump shell 47.
As a further embodiment of the invention, a dustproof mechanism for shielding and preventing dust at the insertion hole 4 is arranged above the insertion hole 4, the dustproof mechanism comprises a guide ring 25, the guide ring 25 is sleeved outside the insertion hole 4, the guide ring 25 is fixed on the inner bottom surface of the groove 3, a press plate 26 is vertically and slidably connected inside the guide ring 25, a third spring 27 is jointly fixed between the press plate 26 and the inner bottom surface of the groove 3, a through chute 28 is formed in the side wall of one end of the press plate 26, a shielding plate 29 is slidably connected inside the chute 28, guide posts 30 are fixed on two sides of the shielding plate 29, two second chutes 31 are symmetrically formed in the inner side wall of the guide ring 25, the height of one end, close to the insertion hole 4, of each second chute 31 is greater than that of the other end, and the guide posts 30 are inserted inside the second chutes 31; during operation, in daily use, insert and establish hole 4 inside impurity such as dust that drops easily, cause the condition of aerifing hole 22 jam to take place, when not examining, under the spring action of third spring 27, shelter from the opening part of guide ring 25 through clamp plate 26 and shielding plate 29, prevent that impurity such as dust from dropping, examine time measuring when needs, inside the outlet pipe through with water pump housing 47 inserts the guiding groove, make clamp plate 26 remove downwards, and drive shielding plate 29 remove downwards, under the guide effect of guide post 30 and second chute 31, it removes to keeping away from the one side of inserting hole 4 to drive shielding plate 29, thereby spill and insert the position of establishing hole 4, it inserts inside inserting hole 4 to be convenient for the water pump.
As a further embodiment of the present invention, the adjusting mechanism includes a blocking plate 32, a strip-shaped groove 33, and a linkage rod 34, the strip-shaped groove 33 is formed on the side wall of the fixing base 1, and the strip-shaped groove 33 is communicated with the inside of the drainage chamber 5, the blocking plate 32 is slidably connected to the inner top surface of the drainage chamber 5, the blocking plate 32 is provided with a plurality of second water permeable holes 35 corresponding to the first water permeable holes 6, the first water permeable holes 6 and the second water permeable holes 35 are staggered, a fourth spring 36 is jointly fixed between one end of the blocking plate 32 and the inner wall of the drainage chamber 5, a push rod 37 is fixed on the side wall of the blocking plate 32, the push rod 37 penetrates through the strip-shaped groove 33 and extends out, one end of the linkage rod 34 is fixed on the side wall of the extrusion plate 10, and the other end of the linkage rod 34 is in contact with the push rod 37; when the water pump is in operation, when the water pump is not detected, the first water permeable hole 6 and the second water permeable hole 35 are in a communicated state, when the squeezing plate 10 squeezes the water pump shell 47, the linkage rod 34 is driven by the squeezing plate 10 to move towards one side close to the support plate 2, so that the pushing rod 37 is pushed by the linkage rod 34, the plugging plate 32 is driven by the pushing rod 37 to move towards one side close to the support plate 2, so that the first water permeable hole 6 and the second water permeable hole 35 are closed in a staggered manner, water can be conveniently added into the groove 3 through the water adding mechanism, after the detection is finished, the linkage rod 34 moves towards one side far away from the support plate 2 along with the squeezing plate 10, under the elastic force of the fourth spring 36, the plugging plate 32 is pushed to move towards one side far away from the support plate 2, so that the first water permeable hole 6 and the second water permeable hole 35 are in a communicated state, the water flow in the groove 3 flows towards the inside of the drainage chamber 5 from the first water permeable hole 6 and the second water permeable hole 35, thereby after detecting the completion, in time with the inside rivers discharge of recess 3, be convenient for install new water pump shell 47 in the follow-up detection.
As a further embodiment of the invention, the water adding mechanism comprises a water tank 38 and a water inlet 39, the water tank 38 is fixed on one side of the supporting plate 2, the water inlet 39 is arranged on the side wall of the groove 3, a water outlet pipe of the water tank 38 is communicated with the water inlet 39, and an automatic adjusting mechanism for automatically opening and closing the water inlet 39 is arranged in the groove 3 and positioned at the water inlet 39; during operation, impound through setting up water tank 38, rivers are along the outlet pipe, water inlet 39 flows to inside recess 3, through observing whether the pump produces the bubble with inflation inlet hookup location, be favorable to in time judging whether the condition that pump and inflation inlet hookup location have gas leakage takes place, thereby prevent to take place because the pump takes place gas leakage with inflation inlet hookup location and causes the unsafe condition of detection to take place, and through the switching that sets up automatic regulating mechanism control water inlet 39, be favorable to in time opening or closing water inlet 39, and need not artifical manual operation, and is convenient and fast.
As a further embodiment of the present invention, the automatic adjusting mechanism includes a rectangular frame 40, an adjusting groove 41, and an adjusting rod 44, the rectangular frame 40 is sleeved outside the water inlet 39, the rectangular frame 40 is fixed on the inner side wall of the groove 3, the adjusting groove 41 is provided on the side wall of the groove 3, the adjusting groove 41 is communicated with the inside of the rectangular frame 40, the inside of the rectangular frame 40 is slidably connected with a floating block 42, one end of the floating block 42 is fixed with an extending rod 43, the extending rod 43 penetrates through the adjusting groove 41 and extends out, one end of the adjusting rod 44 is fixed on the side wall of the plugging plate 32, the other end of the adjusting rod 44 penetrates through the strip-shaped groove 33 and is fixed with a supporting block 45, the supporting block 45 is slidably contacted on the side wall of the fixed seat 1, the top end of the supporting block 45 near the extending rod 43 is provided with an inclined plane, and the top end of the supporting block 45 is fixed with a limiting plate 46; when the device works, the supporting block 45 is positioned below the extension rod 43 when the device is not detected, the extension rod 43 is supported by the supporting block 45, so that the water inlet 39 is blocked by the floating plate, water is prevented from flowing out of the water inlet 39 when the device is not detected, when the device is detected, the blocking plate 32 drives the supporting block 45 to move towards one side close to the supporting plate 2 through the adjusting rod 44, so that the supporting block 45 is separated from the extension rod 43, the floating plate moves downwards under the action of gravity and is separated from the water inlet 39, so that the water inlet 39 is opened, water flows into the groove 3 from the water inlet 39, when the water flow does not pass through the joint of the water pump shell 47 and the inflation inlet, the floating block 42 rises along with the water flow under the action of buoyancy, so that the water inlet 39 is closed in time, when the device is detected, and when water is drained, the blocking plate 32 drives the supporting block 45 to move to the lower part of the extension rod 43 again, support extension rod 43 to make the kickboard maintain the encapsulated situation to water inlet 39, through setting up the switching of automatic regulating mechanism control water inlet 39, be favorable to in time opening or closing water inlet 39, and need not artifical manually operation, convenient and fast.
The working principle of the invention is as follows:
during detection, firstly, the water pump shell 47 is placed on the top surface of the fixed seat 1, an opening at one end of the water pump is inserted into the insertion hole 4, the two sides of the water pump shell 47 are clamped and sealed through the clamping and sealing mechanism, so that the water pump shell 47 is stably supported, the situation that the detection result is inaccurate due to the fact that the water pump shakes in the later detection process is prevented, when the clamping and sealing mechanism clamps the water pump shell 47, the adjusting mechanism seals the first water permeable hole 6, the water adding mechanism automatically adds water into the groove 3, when water is not at the position where the water pump shell 47 is connected with the air charging port, the water adding mechanism automatically stops adding water, then the interior of the water pump shell 47 is inflated through the air charging detection mechanism, the air tightness of the water pump shell 47 is detected, and after the detection is completed, the clamping of the water pump is cancelled through the clamping and sealing mechanism, adjusting mechanism opens first hole 6 of permeating water in step, because the inner bottom of recess 3 is personally submitted the slope form for the inside rivers of recess 3 are automatic to be arranged to 5 insides of drainage chamber through first hole 6 of permeating water, in the testing process, through observing whether bubble is produced to water pump and inflation inlet hookup location, are favorable to in time judging whether the condition that water pump and inflation inlet hookup location have gas leakage takes place, thereby prevent to take place because the condition that water pump and inflation inlet hookup location take place gas leakage and cause the inaccurate condition of detection to take place.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a water pump cavity gas tightness detection device, includes fixing base (1), its characterized in that: a supporting plate (2) is fixed on the top surface of the fixed seat (1), a clamping and sealing mechanism for clamping and sealing two sides of the water pump shell is arranged on one side of the supporting plate (2), a groove (3) is formed in the top surface of the fixed seat (1), the inner bottom surface of the groove (3) is inclined, an inserting hole (4) is formed in the inner bottom surface of the groove (3), and an inflation detection mechanism for performing inflation detection on the interior of the water pump shell is arranged in the inserting hole (4);
one side of recess (3) is provided with the mechanism of adding water that is used for automatic interpolation aqueous solution to recess (3) inside, fixing base (1) are located recess (3) below position and have seted up drainage chamber (5), set up on the top surface of drainage chamber (5) with a plurality of first holes (6) of permeating water that recess (3) inside is linked together, the bottom in first hole (6) of permeating water is provided with and is used for adjusting the first adjustment mechanism who permeates water hole (6) and open and shut, when centre gripping sealing mechanism carries out the centre gripping to the water pump, adjustment mechanism seals first hole (6) of permeating water, when centre gripping sealing mechanism cancellation was to the centre gripping of water pump, adjustment mechanism opens first hole (6) of permeating water in step.
2. The water pump cavity airtightness detection device according to claim 1, wherein: centre gripping sealing mechanism includes two U type poles (7), U type pole (7) set up on the top surface of fixing base (1), the both ends of U type pole (7) are all fixed on the lateral wall of backup pad (2), two be fixed with connecting plate (8) jointly between U type pole (7), one side that backup pad (2) were kept away from in connecting plate (8) is fixed with electric putter (9), the piston rod of electric putter (9) runs through connecting plate (8) and extends out the after-fixing and has stripper plate (10), stripper plate (10) sliding connection is on the lateral wall of U type pole (7), all be fixed with sealing plug (11) on backup pad (2) and stripper plate (10).
3. The water pump cavity airtightness detection device according to claim 2, wherein: one side of the supporting plate (2) close to the extrusion plate (10) is provided with a first guide mechanism for guiding and inserting one side of the water pump shell, the first guide mechanism comprises a first guide plate (12), the side wall of the first guide plate (12) is connected to the side wall of the U-shaped rod (7) in a sliding way, a plurality of first springs (13) are jointly fixed between the first guide plate (12) and the support plate (2), a first limiting column (14) is inserted in the first spring (13), one end of the first limiting column (14) is fixed on the side wall of the support plate (2), the other end of the first limit column (14) is contacted with the first guide plate (12), the surface of the first guide plate (12) is provided with a yielding through groove (15) corresponding to the sealing plug (11), the top end of the side surface of the first guide plate (12) close to the extrusion plate (10) is provided with an inclined surface.
4. The water pump cavity airtightness detection device according to claim 2, wherein: one side of the extrusion plate (10) close to the support plate (2) is provided with a second guide mechanism for guiding and inserting the other side of the water pump, the second guide mechanism comprises two second guide plates (16), the two second guide plates (16) are symmetrically arranged on one side of the extrusion plate (10), the two second guide plates (16) are connected to the side wall of the U-shaped rod (7) in a sliding mode, a second spring (17) is fixed between each second guide plate (16) and the extrusion plate (10) together, and a second limit column (18) is inserted in the second spring (17), one end of the second limit column (18) is fixed on the outer wall of the extrusion plate (10), the other end of the second limit column (18) is contacted with the second guide plate (16), the top end of the side surface of the second guide plate (16) close to the support plate (2) is provided with an inclined surface.
5. The water pump cavity airtightness detection device according to claim 4, wherein: two be provided with between second guide board (16) and press the dynamic mechanism, when stripper plate (10) carried out the centre gripping to the water pump casing, press the dynamic mechanism to extrude the water pump casing downwards in step, press the dynamic mechanism to include and press dynamic plate (19), press dynamic plate (19) to set up between two second guide boards (16), press the vertical sliding connection of dynamic plate (19) on the outer wall of stripper plate (10), first chute (20), two have been seted up to the symmetry on the lateral wall of pressure dynamic plate (19) first chute (20) are close to the height that the one end of stripper plate (10) all is higher than the other end, two first chute (20) inside all is inserted and is equipped with guide pin (21), two guide pin (21) are fixed respectively on the lateral wall of corresponding second guide board (16).
6. The water pump cavity airtightness detection device according to claim 1, wherein: aerify detection mechanism includes aerifing hole (22), gas tightness detector (23), one side at fixing base (1) is fixed in gas tightness detector (23), aerify hole (22) set up on inserting the interior bottom surface of establishing hole (4), aerify hole (22) run through fixing base (1) and extend away, the end and the gas filling hole (22) intercommunication of aerifing of gas tightness detector (23), it is fixed with cushion (24) to aerify hole (22) top surface opening edge department.
7. The water pump cavity airtightness detection device according to claim 6, wherein: a dustproof mechanism used for shielding and preventing dust at the position of the inserting hole (4) is arranged above the inserting hole (4), the dustproof mechanism comprises a guide ring (25), the guide ring (25) is sleeved on the outer side of the inserting hole (4), the guide ring (25) is fixed on the inner bottom surface of the groove (3), a pressing plate (26) is vertically and slidably connected inside the guide ring (25), a third spring (27) is jointly fixed between the pressing plate (26) and the inner bottom surface of the groove (3), a through chute (28) is formed in the side wall at one end of the pressing plate (26), a shielding plate (29) is slidably connected inside the chute (28), guide columns (30) are fixed on two sides of the shielding plate (29), two second chutes (31) are symmetrically formed in the inner side wall of the guide ring (25), and the height of one end, close to the inserting hole (4), of each second chute (31) is greater than that of the other end, the guide post (30) is inserted in the second chute (31).
8. The water pump cavity airtightness detection device according to claim 2, wherein: the adjusting mechanism comprises a blocking plate (32), a strip-shaped groove (33) and a linkage rod (34), the strip-shaped groove (33) is formed in the side wall of the fixing seat (1), the strip-shaped groove (33) is communicated with the inside of the drainage chamber (5), the blocking plate (32) is connected to the inner top surface of the drainage chamber (5) in a sliding mode, a plurality of second water permeable holes (35) corresponding to the first water permeable holes (6) are formed in the blocking plate (32), the first water permeable holes (6) and the second water permeable holes (35) are arranged in a staggered mode, a fourth spring (36) is fixed between one end of the blocking plate (32) and the inner wall of the drainage chamber (5) jointly, a push rod (37) is fixed to the side wall of the blocking plate (32), the push rod (37) penetrates through the strip-shaped groove (33) and extends out, one end of the linkage rod (34) is fixed to the side wall of the extrusion plate (10), the other end of the linkage rod (34) is in contact with a pushing rod (37).
9. The water pump cavity airtightness detection device according to claim 8, wherein: the mechanism of adding water includes water tank (38), water inlet (39), one side in backup pad (2) is fixed in water tank (38), set up on the lateral wall of recess (3) water inlet (39), the outlet pipe and the water inlet (39) of water tank (38) are linked together, recess (3) inside is located water inlet (39) position and is provided with the automatic regulating mechanism who is used for carrying out automatic switching to water inlet (39).
10. The water pump cavity airtightness detection device according to claim 9, wherein: the automatic adjusting mechanism comprises a rectangular frame (40), an adjusting groove (41) and an adjusting rod (44), the rectangular frame (40) is sleeved on the outer side of the water inlet (39), the rectangular frame (40) is fixed on the inner side wall of the groove (3), the adjusting groove (41) is arranged on the side wall of the groove (3), the adjusting groove (41) is communicated with the inside of the rectangular frame (40), a floating block (42) is connected to the inside of the rectangular frame (40) in a sliding manner, an extending rod (43) is fixed at one end of the floating block (42), the extending rod (43) penetrates through the adjusting groove (41) and extends out, one end of the adjusting rod (44) is fixed on the side wall of the blocking plate (32), a supporting block (45) is fixed at the back of the strip-shaped groove (33) through the other end of the adjusting rod (44), and the supporting block (45) is in sliding contact with the side wall of the fixing base (1), the top end of one side of the supporting block (45) close to the extension rod (43) is provided with an inclined surface, and the top end of the supporting block (45) is fixed with a limiting plate (46).
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| CN202210081712.5A CN114544094B (en) | 2022-01-24 | 2022-01-24 | Water pump cavity airtightness detection device |
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| CN202210081712.5A CN114544094B (en) | 2022-01-24 | 2022-01-24 | Water pump cavity airtightness detection device |
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