CN116296106B - Inflator pump gas tightness detection device - Google Patents
Inflator pump gas tightness detection device Download PDFInfo
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- CN116296106B CN116296106B CN202310528281.7A CN202310528281A CN116296106B CN 116296106 B CN116296106 B CN 116296106B CN 202310528281 A CN202310528281 A CN 202310528281A CN 116296106 B CN116296106 B CN 116296106B
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention belongs to the field of air tightness detection of an inflator pump, in particular to an air tightness detection device of an inflator pump, which comprises a hollowed-out placing frame, wherein the hollowed-out placing frame is placed on a testing device, and the testing device comprises: the bearing table mechanism is provided with a hollowed-out placing frame, the hollowed-out placing frame is positioned on the bearing table mechanism and used for placing the inflator pump shell, the sealed box mechanisms are symmetrically distributed on two sides of the bearing table mechanism, the pressurizing mechanism is fixedly arranged on one group of sealed box mechanisms, two groups of connecting rods are driven in opposite directions, the connecting rods push the turntable to rotate by taking the rotary joint shaft as an axis, in the rotating process of the turntable, four groups of protruding shafts slide along four groups of guide sliding grooves respectively, under the guidance of the guide sliding grooves, the protruding shafts drive the correction plates to move towards the inflator pump shell along the guide posts, the four groups of correction plates are folded towards the inflator pump shell, and the four groups of folded correction plates are used for correcting the inflator pump shell at the middle part of the hollowed-out placing frame, so that an air inlet of the inflator pump shell can be positioned under the pressurizing mechanism.
Description
Technical Field
The invention belongs to the field of air tightness detection of an inflator pump, and particularly relates to an air tightness detection device of an inflator pump.
Background
The simple air pump is widely applied to various aspects of life, when buying an inflatable boat or an inflatable cushion, a merchant often gives the simple air pump, so that a user can inflate the inflatable boat or the inflatable cushion, and the important guarantee of normal use of the conventional simple air pump is an air pump shell with excellent air tightness, so that an air pump manufacturer needs to detect the air tightness of the formed air pump shell.
The utility model provides a publication number CN213148227U an inflator pump shell gas tightness detection device, relate to air pump check out test set field, including frame and multiunit independent detection mechanism, wherein detection mechanism includes the lower mould, go up mould, cylinder and transparent graduated flask, the staff puts into the lower mould with the inflator pump shell, the cylinder promotes the mould lock on the lower mould, when last mould lock in the lower mould, the airtight air inlet of inflator pump shell of the exit of the air inlet channel of last mould, the air inlet pipeline is through the air inlet channel to the inflator pump shell in this moment, when the inflator pump shell gas tightness is good, then no bubble produces in the graduated flask, therefore the gas tightness of high-efficient detection inflator pump shell under the dry environment has been realized, not only labour saving and time saving, moreover can improve the circulation efficiency of later stage inflator pump shell by a wide margin.
When the scheme is implemented, a worker is required to manually place the inflator housing on the lower die, then the upper die moves downwards, so that the upper die is buckled on the lower die, and an air inlet channel in the upper die is in butt joint with an air inlet of the inflator housing, however, the lower die is not provided with a related limiting and positioning structure, so that the inflator housing is placed on the lower die, the air inlet of the inflator housing cannot be determined to be positioned under the air inlet channel in the upper die, and the successful butt joint between the air inlet of the inflator housing and the air inlet channel in the upper die cannot be ensured in the process of buckling the upper die downwards; therefore, the invention provides an inflator pump air tightness detection device.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to an inflator pump air tightness detection device, which comprises a hollowed-out placing frame, wherein the hollowed-out placing frame is placed on a testing device, and the testing device comprises: plummer mechanism, fretwork rack are located plummer mechanism, and the fretwork rack is used for placing the pump shell, and symmetrical distribution is in the seal box mechanism of plummer mechanism both sides, and fixed mounting is at the pressurizing mechanism on a set of seal box mechanism to and be located the piston rod directly over two sets of seal box mechanisms, and plummer mechanism includes: the device comprises a bearing table main body, four groups of correction plates, a rotary shaft, a rotary table, four groups of guide sliding grooves, a convex shaft, two groups of connecting rods, a driving mechanism and a control mechanism, wherein the four groups of correction plates are slidably arranged on the bearing table main body; the two groups of connecting rods are driven in opposite directions, so that the connecting rods push the rotary table to rotate by taking the rotary connecting shafts as axes, in the rotating process of the rotary table, the four groups of protruding shafts slide along the four groups of guide sliding grooves respectively, under the guidance of the guide sliding grooves, the protruding shafts drive the correction plates to move towards the inflator pump shell along the guide posts, the four groups of correction plates are folded towards the inflator pump shell, the folded four groups of correction plates realize correction of the inflator pump shell at the middle part of the hollowed-out rack, and the air inlet of the inflator pump shell can be located under the pressurizing mechanism.
Preferably, the seal box mechanism includes: the box body, two sets of boxes are symmetrically distributed on two sides of the main body of the bearing platform, rectangular grooves formed on one side of the box body, sealing rubber gaskets adhered on the inner side of the box body, and guide plates fixedly mounted on the inner side of the box body, two sets of rectangular holes are formed on the outer ring of the main body of the bearing platform, the guide plates are in sliding connection with the rectangular holes, and the inner side wall of the box body is hinged with a connecting rod; two sets of boxes after merging not only make sealed cushion by the extrusion between box and plummer main part, two sets of sealed cushion are mutual extrudees simultaneously to make between box and the plummer main part obtain sealedly, two sets of boxes close and also obtain sealedly, and then make the pump shell be arranged in the airtight space that box and plummer main part formed.
Preferably, the test device further comprises: l template, fixed connection L template lower extreme electric putter to and L template movable mounting is in actuating mechanism's top, and actuating mechanism includes: the electric push rod is fixed on the fixed plate, two groups of oblique sliding grooves are symmetrically formed in the fixed plate, a bearing shaft is connected with the oblique sliding grooves in a sliding mode, a T-shaped frame is inserted into the bearing shaft, two groups of sliding rods are symmetrically and fixedly arranged on the upper end face of the fixed plate, the T-shaped frame is provided with a transverse sliding groove, the bearing shaft is connected with the transverse sliding groove in a sliding mode, one end of the bearing shaft is connected with the rectangular groove in a sliding mode, the upper end of the T-shaped frame is fixedly connected with an L-shaped plate, two groups of guide holes are symmetrically formed in the L-shaped plate, and the guide holes are connected with the sliding rods in a sliding mode; the electric push rod sequentially passes through the L-shaped plate and the T-shaped frame, so that the two groups of bearing shafts respectively slide along the two groups of inclined sliding grooves, meanwhile, the bearing shafts downwards slide along the rectangular grooves, and under the guidance of the two groups of inclined sliding grooves, the end parts of the two groups of bearing shafts respectively squeeze the inner walls of the two groups of rectangular grooves, thereby realizing the combination of the two groups of sealing box mechanisms and the correction of the four groups of correction plates on the inflator pump shell.
Preferably, the piston rod is fixed on the L-shaped plate, the pin shaft of fixed mounting on the L-shaped plate, and the pressurizing mechanism includes: the fixed cover, fixed cover is fixed on a set of box, connects the outer axle sleeve in the fixed cover outside soon, and movable mounting is at the inside interior axle mechanism of fixed cover, sets up the helicla flute on outer axle sleeve to and two sets of limit position spouts of both sides in outer axle sleeve are seted up to the symmetry, and interior axle mechanism includes: the inner shaft main body is positioned in the fixed sleeve, two groups of guide blocks are symmetrically arranged at two sides of the upper end of the inner shaft main body, a rubber sleeve is coated on the inner shaft main body, two groups of pressing plates are arranged on the inner shaft main body, springs are arranged between the two groups of pressing plates, the springs are sleeved on the inner shaft main body, four groups of teeth are arranged on one group of pressing plates at equal angles, the teeth are meshed with the fluted disc, the guide blocks are in sliding connection with a limiting chute, and the upper end surface of the fluted disc is fixedly connected with the inner wall of the fixed sleeve;
because the lower end of the oblique chute is communicated with the vertical chute, the bearing shaft slides downwards along the vertical chute, the pin shaft enters the spiral groove and slides along the spiral groove, the outer sleeve rotates, the outer sleeve drives the guide block through the limiting chute, the guide block drives the inner shaft main body to rotate in the inner cavity of the outer sleeve together with the rubber sleeve, the inner shaft main body drives the four groups of teeth to rotate in the rotating process of the inner shaft main body, the rotating teeth extrude tooth grooves on the fluted disc, the fluted disc is fixed, the teeth drive the inner shaft main body to slide downwards along the inner cavity of the fixed sleeve through one group of pressing plates, and the other group of pressing plates compress the springs until the lower end of the inner shaft main body is inserted into the air inlet of the air pump shell, and the other group of pressing plates cling to the upper port of the fixed sleeve until the pin shaft staggers the spiral groove, and the upper end of the fixed sleeve and the air inlet of the outer shell are respectively sealed with the corresponding position of the inner shaft main body.
Preferably, the pin shaft is in sliding connection with the spiral groove, the lower end part of the piston rod is provided with a rubber plug, and the lower end part of the piston rod is in sliding connection with the inner cavity of the inner shaft main body together with the rubber plug; the pin shaft continuously slides along the vertical sliding groove communicated with the lower end of the spiral groove, and meanwhile, the lower end part of the piston rod and the rubber plug enter the inner cavity of the inner shaft main body, so that air in the inner cavity of the inner shaft main body is compressed into the inflator pump shell, the pin shaft is stopped from moving downwards, and the inflator pump shell is pressurized.
The beneficial effects of the invention are as follows:
1. the two groups of connecting rods are driven in opposite directions, so that the connecting rods push the rotary table to rotate by taking the rotary connecting shafts as axes, in the rotating process of the rotary table, the four groups of protruding shafts slide along the four groups of guide sliding grooves respectively, under the guidance of the guide sliding grooves, the protruding shafts drive the correction plates to move towards the inflator pump shell along the guide posts, the four groups of correction plates are folded towards the inflator pump shell, the folded four groups of correction plates realize correction of the inflator pump shell at the middle part of the hollowed-out rack, and the air inlet of the inflator pump shell can be located under the pressurizing mechanism.
2. Two sets of boxes after merging not only make sealed cushion by the extrusion between box and plummer main part, two sets of sealed cushion are mutual extrudees simultaneously to make between box and the plummer main part obtain sealedly, two sets of boxes close and also obtain sealedly, and then make the pump shell be arranged in the airtight space that box and plummer main part formed.
3. The electric push rod pulls the L-shaped plate to slide downwards along the slide bar, the L-shaped plate pushes the T-shaped frame to slide downwards, the T-shaped frame pushes the two groups of bearing shafts to slide along the two groups of oblique sliding grooves respectively, the bearing shafts slide downwards along the rectangular grooves simultaneously, under the guidance of the two groups of oblique sliding grooves, the end parts of the two groups of bearing shafts respectively squeeze the inner walls of the two groups of rectangular grooves, so that the two groups of boxes move relatively until the bearing shafts are staggered from the oblique sliding grooves, and therefore, the combination of the two groups of sealing box mechanisms and the correction of the four groups of correction plates on the inflator pump shell are realized.
4.L the template drives piston rod and round pin axle simultaneously and moves downwards, when accept the oblique spout of axle stagger, the pump casing after correcting this moment is sealed between two sets of seal box mechanisms, and pressurizing mechanism is located pump casing air inlet directly over, electric putter continues to downwards pulling L template, because the vertical spout of oblique spout lower extreme intercommunication, accept the axle and slide downwards along vertical spout this moment, the round pin axle will enter into the helicla flute simultaneously, and slide along the helicla flute, make outer sleeve rotate, simultaneously the outer axle sleeve passes through spacing spout drive guide block, the guide block drives the inner axle main part and rotates in outer sleeve inner chamber with rubber sleeve, the inner axle main part rotates in-process, the inner axle main part drives four sets of tooth and rotates, tooth groove on the extrusion fluted disc will be fixed because the fluted disc is fixed, consequently, on tooth main part is driven through a set of clamp plate down, and the inner axle main part slides downwards along the fixed sleeve inner chamber, and another set of clamp plate compression spring, until the inner axle main part lower extreme inserts in the pump casing air inlet, and another set of clamp plate is hugged closely fixed in the fixed sleeve upper port, make the inner axle main part and the rubber sleeve with the pump casing air inlet interface department obtain the extrusion, and the fixed sleeve is realized and is fixed with the fixed to the corresponding seal sleeve department of air inlet, the position is realized respectively.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a schematic illustration of a combination of a hollow-out rack, a testing device, and an inflator housing of the present invention.
Fig. 3 is a schematic diagram of a combination of a hollow rack, a carrying table mechanism and a sealing box mechanism.
FIG. 4 is a schematic cross-sectional view of a carrier mechanism according to the present invention.
FIG. 5 is a schematic diagram of a combination of the driving mechanism and the seal box mechanism of the present invention.
FIG. 6 is a schematic view of the seal box mechanism of the present invention.
FIG. 7 is a schematic view of the combination of the pressurizing mechanism, the L-shaped plate, the piston rod and the pin shaft of the present invention.
FIG. 8 is a schematic diagram of a combination of a cross-sectional pressurization mechanism and inflator housing of the present invention.
FIG. 9 is a schematic diagram of a cross-sectional combination of a retaining sleeve and an inner shaft mechanism of the present invention.
FIG. 10 is a schematic diagram of the outer hub and inner shaft mechanism combination of the present invention.
In the figure: 1. the placing frame is hollowed out; 2. a testing device; 3. an inflator housing; 4. an air pipe; 5. a measuring cup; 201. a loading table mechanism; 202. a seal box mechanism; 203. a pressurizing mechanism; 204. a driving mechanism; 205. an L-shaped plate; 51. a guide hole; 206. a piston rod; 207. a pin shaft; 208. an electric push rod; 2011. a loading table main body; 11. a mounting hole; 12. a rectangular hole; 2012. a correction plate; 21. a through hole; 22. a guide post; 2013. a rotary connecting shaft; 2014. a turntable; 2015. a guide chute; 2016. a protruding shaft; 2017. a connecting rod; 2021. a case; 2022. rectangular grooves; 2023. sealing rubber cushion; 2024. a guide plate; 2041. a fixing plate; 2042. an inclined chute; 2043. a receiving shaft; 2044. a T-shaped frame; 41. a transverse chute; 2045. a slide bar; 2031. a fixed sleeve; 2032. an outer sleeve; 2033. an inner shaft mechanism; 2034. a spiral groove; 2035. limiting sliding grooves; 31. an inner shaft body; 32. a guide block; 33. a rubber sleeve; 34. a pressing plate; 35. a spring; 36. teeth; 37. a fluted disc.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
Embodiment one: as shown in fig. 1 to 10, an inflator pump air tightness detection device according to an embodiment of the present invention includes a hollowed-out rack 1, the hollowed-out rack 1 is placed on a testing device 2, and the testing device 2 includes: plummer mechanism 201, the fretwork rack 1 is located plummer mechanism 201, and the fretwork rack 1 is used for placing pump housing 3, and symmetrical distribution is in the seal box mechanism 202 of plummer mechanism 201 both sides, and the pressurization mechanism 203 of fixed mounting on a set of seal box mechanism 202 to and be located the piston rod 206 directly over two sets of seal box mechanisms 202, plummer mechanism 201 includes: the correction device comprises a plummer body 2011, four groups of correction plates 2012, a rotary joint shaft 2013, a rotary table 2014, four groups of guide sliding grooves 2015, a protruding shaft 2016, two groups of connecting rods 2017, wherein the four groups of correction plates 2012 are slidably arranged on the plummer body 2011, the rotary joint shaft 2013 is fixedly arranged in the plummer body 2011, the rotary table 2014 is rotationally connected with the rotary joint shaft 2013, the four groups of guide sliding grooves 2015 are formed in the rotary table 2014 at equal angles, the protruding shaft 2016 is fixedly connected with the correction plates 2012, and the two groups of connecting rods 2017 are hinged on the rotary table 2014, and the protruding shaft 2016 is used for driving the correction plates 2012 to correct the inflator housing 3.
Specifically, one side of a group of seal box mechanism 202 is connected with an air pipe 4, one end of the air pipe 4 is connected with a measuring cup 5, a small amount of water is filled in the measuring cup 5, through holes 21 are formed in a correcting plate 2012, the through holes 21 are connected with guide posts 22 in a sliding mode, four groups of mounting holes 11 are formed in the bearing table main body 2011 at equal angles, the guide posts 22 are fixed in the mounting holes 11, before the air tightness detection device is used, two groups of seal box mechanisms 202 are in a separated state, when air tightness detection needs to be carried out on an inflator housing 3, the inflator housing 3 is placed on a hollowed-out placing frame 1, the inflator housing 3 is positioned between the four groups of correcting plates 2012, two groups of connecting rods 2017 are driven in opposite directions, the connecting rods 2017 are driven to push a turntable 2014 to rotate by taking a rotating joint shaft 2013 as an axis, in the rotating process of the turntable 2014, the four groups of protruding shafts 2016 respectively slide along four groups of guide slide grooves 2015, under the guide of the guide grooves 2015, the protruding shafts 2012 drive the correcting plates 2012 to move towards the inflator housing 3, the four groups of correcting plates 3 are folded, when the inflator housing 3 is needed, the four groups of correcting plates 2012 are folded, when the inflator housing 3 is needed to carry out air tightness detection, the inflator housing 3 is placed on the hollow-out, the inflator housing 3 is pressed into the hollow housing 1, the air tightness detection mechanism is driven by the hollow housing 3, and the two groups of the air pump housing 202 is driven by the piston rod mechanism 203, and the piston rod 203 is driven to be positioned in the hollow in the air-out space, and the sealing mechanism 203, and the hollow housing 203 is positioned in the air-filled cavity, and the hollow housing 3 is formed, and the hollow mechanism 203, and the piston mechanism is pressed into the hollow cavity, and is positioned in the air cavity, and the hollow mechanism is pressed, and the hollow mechanism, and the piston mechanism is placed in the piston mechanism, and has and pressurized, and has the piston mechanism and is pressed, and has the piston mechanism and has a compression mechanism and is pressed. Air can flow into the airtight space formed by the two groups of sealing box mechanisms 202 and the bearing table main body 2011 from the inside of the inflator housing 3, and flows into the measuring cup 5 through the air pipe 4, so that the water in the measuring cup 5 generates bubbles, otherwise, the air tightness of the inflator housing 3 is qualified, and the detection of the inflator housing 3 is realized.
As shown in fig. 2, 3, and 6, the seal box mechanism 202 includes: the box 2021, two sets of box 2021 symmetrical distribution are in plummer main part 2011 both sides, offer rectangular channel 2022 in box 2021 one side, the sealed cushion 2023 of adhesion in box 2021 inboard to and fixed mounting is at the deflector 2024 of box 2021 inboard, and plummer main part 2011 outer circle is offered two sets of rectangular holes 12, and deflector 2024 sliding connection rectangular hole 12, box 2021 inside wall hinge connecting rod 2017.
Specifically, in the process of driving the two sets of seal box mechanisms 202 in opposite directions, the two sets of boxes 2021 move in opposite directions, and the two sets of boxes 2021 push the two sets of connecting rods 2017 to move in opposite directions respectively, so that correction of the four sets of correction plates 2012 on the inflator housing 3 is achieved, meanwhile, the two sets of boxes 2021 are combined, the seal rubber pads 2023 are extruded between the boxes 2021 and the bearing table main body 2011, and meanwhile, the two sets of seal rubber pads 2023 are mutually extruded, so that sealing is achieved between the boxes 2021 and the bearing table main body 2011, and the joint of the two sets of boxes 2021 is also sealed, so that the inflator housing 3 is located in a sealed space formed by the boxes 2021 and the bearing table main body 2011.
As shown in fig. 5 and 6, the test device 2 further includes: the L-shaped plate 205, the electric putter 208 of fixed connection L-shaped plate 205 lower extreme to and L-shaped plate 205 movable mounting is in the top of actuating mechanism 204, and actuating mechanism 204 includes: the electric push rod 208 is fixed on the fixed plate 2041, two groups of oblique sliding grooves 2042 are symmetrically formed in the fixed plate 2041, a bearing shaft 2043 which is connected with the oblique sliding grooves 2042 in a sliding mode, a T-shaped frame 2044 which is connected with the bearing shaft 2043 in a sliding mode, two groups of sliding rods 2045 which are symmetrically and fixedly arranged on the upper end face of the fixed plate 2041 are formed in the T-shaped frame 2044, the bearing shaft 2043 is connected with the transverse sliding grooves 41 in a sliding mode, one end of the bearing shaft 2043 is connected with the rectangular groove 2022 in a sliding mode, the upper end of the T-shaped frame 2044 is fixedly connected with the L-shaped plate 205, two groups of guide holes 51 are symmetrically formed in the L-shaped plate 205, and the guide holes 51 are connected with the sliding rods 2045 in a sliding mode.
Specifically, the electric push rod 208 pulls the L-shaped plate 205 to slide downwards along the sliding rod 2045, the L-shaped plate 205 pushes the T-shaped frame 2044 to slide downwards, the T-shaped frame 2044 pushes the two sets of receiving shafts 2043 to slide along the two sets of oblique sliding grooves 2042 respectively, meanwhile, the receiving shafts 2043 slide downwards along the rectangular grooves 2022, and under the guidance of the two sets of oblique sliding grooves 2042, the ends of the two sets of receiving shafts 2043 respectively press the inner walls of the two sets of rectangular grooves 2022, so that the two sets of box bodies 2021 move in opposite directions until the receiving shafts 2043 stagger the oblique sliding grooves 2042, and therefore, the combination of the two sets of seal box mechanisms 202 and the correction of the inflator pump housing 3 by the four sets of correction plates 2012 are realized.
Embodiment two: as shown in fig. 7 to 10, a comparative example one in which another embodiment of the present invention is: the piston rod 206 is fixed on the L-shaped plate 205, the pin 207 is fixedly installed on the L-shaped plate 205, and the pressurizing mechanism 203 includes: the fixed sleeve 2031, the fixed sleeve 2031 is fixed on a set of box 2021, the outer sleeve 2032 is screwed on the outside of the fixed sleeve 2031, the inner shaft mechanism 2033 is movably installed inside the fixed sleeve 2031, the spiral groove 2034 is formed on the outer sleeve 2032, and two sets of limit sliding grooves 2035 are symmetrically formed on two sides inside the outer sleeve 2032, the inner shaft mechanism 2033 comprises: the inner shaft main body 31, the inner shaft main body 31 is located in the fixed sleeve 2031, two groups of guide blocks 32 symmetrically arranged on two sides of the upper end of the inner shaft main body 31, a rubber sleeve 33 wrapping the inner shaft main body 31, two groups of pressing plates 34 arranged on the inner shaft main body 31, a spring 35 arranged between the two groups of pressing plates 34, the spring 35 sleeved on the inner shaft main body 31, four groups of teeth 36 arranged on one group of pressing plates 34 at equal angles, and teeth 36 meshed with a fluted disc 37, the guide blocks 32 are slidably connected with a limiting sliding groove 2035, the upper end face of the fluted disc 37 is fixedly connected with the inner wall of the fixed sleeve 2031, a pin shaft 207 is slidably connected with a spiral groove 2034, the lower end part of a piston rod 206 is provided with a rubber plug, and the lower end part of the piston rod 206 is slidably connected with the inner cavity of the inner shaft main body 31 together with the rubber plug.
Specifically, in the process that the L-shaped plate 205 pushes the T-shaped frame 2044 to slide downwards, the L-shaped plate 205 simultaneously drives the piston rod 206 and the pin shaft 207 to move downwards, when the bearing shaft 2043 is staggered with the inclined sliding groove 2042, the corrected inflator housing 3 is sealed between the two groups of seal box mechanisms 202, the pressurizing mechanism 203 is positioned right above the air inlet of the inflator housing 3, the electric push rod 208 continues to pull the L-shaped plate 205 downwards, because the lower end part of the inclined sliding groove 2042 is communicated with the vertical sliding groove, the bearing shaft 2043 slides downwards along the vertical sliding groove, the pin shaft 207 simultaneously enters the spiral groove 2034 and slides along the spiral groove 2034, the outer shaft sleeve 2032 rotates, the outer shaft sleeve 2032 simultaneously drives the guide block 32 through the limiting sliding groove 2035, the guide block 32 drives the inner shaft main body 31 and the rubber sleeve 33 to rotate in the inner cavity of the outer shaft sleeve 2032, the inner shaft main body 31 drives the four groups of teeth 36 to rotate in the rotating process of the inner shaft main body 31, the tooth teeth 36 which rotate extrude tooth grooves on the tooth disc 37, the tooth teeth 36 drive the inner shaft main body 31 to slide downwards along the inner cavity of the fixed sleeve 2031 through one group of pressing plates 34 under the action of the reverse thrust force on the tooth teeth 36 because the tooth disc 37 is fixed, the other group of pressing plates 34 compress the spring 35 until the lower end of the inner shaft main body 31 is inserted into the air inlet of the inflator housing 3, the other group of pressing plates 34 cling to the upper port of the fixed sleeve 2031, the rubber sleeve 33 at the interface of the inner shaft main body 31 and the air inlet of the inflator housing 3 is extruded, the rubber sleeve 33 at the joint of the other group of pressing plates 34 and the upper port of the fixed sleeve 2031 is extruded until the pin 207 staggers the spiral grooves 2034, the sealing of the upper end of the fixed sleeve 2031 and the air inlet of the housing 3 corresponding to the inner shaft main body 31 is realized, at the moment, the pin 207 continues to slide along the vertical sliding grooves communicated with the lower end of the spiral grooves 2034, meanwhile, the lower end part of the piston rod 206 and the rubber plug enter the inner cavity of the inner shaft main body 31, so that air in the inner cavity of the inner shaft main body 31 is compressed into the inflator housing 3, the pin shaft 207 stops moving downwards, the inflator housing 3 is pressurized, whether air bubbles are generated in water in the measuring cup 5 or not is observed, and whether the air tightness of the inflator housing 3 is qualified or not is tested.
When the air tightness of the inflator housing 3 needs to be detected, the inflator housing 3 is placed on the hollowed placement frame 1, the inflator housing 3 is positioned between four groups of correction plates 2012, the electric push rod 208 pulls the L-shaped plate 205 to slide downwards along the sliding rods 2045, the L-shaped plate 205 pushes the T-shaped frame 2044 to slide downwards, the T-shaped frame 2044 pushes the two groups of receiving shafts 2043 to slide along the two groups of inclined sliding grooves 2042 respectively, the receiving shafts 2043 slide downwards along the rectangular grooves 2022 simultaneously, under the guidance of the two groups of inclined sliding grooves 2042, the end parts of the two groups of receiving shafts 2043 respectively press the inner walls of the two groups of rectangular grooves 2022, so that the two groups of boxes 2021 move oppositely, the two groups of boxes 2021 respectively push the two groups of connecting rods 2017 to move oppositely, the connecting rods 2017 push the rotating disc 2014 to rotate around the rotating connecting shafts 2013 as axes, the four groups of protruding shafts 2016 slide along the four groups of guide sliding grooves 2015 respectively, under the guidance of the guide sliding grooves 2015, the protruding shafts 2016 drive the correcting plates 2012 to move along the guide posts 22 towards the inflator housing 3, so that the four groups of correcting plates 2012 fold towards the inflator housing 3, the four groups of correcting plates 2012 fold to correct the inflator housing 3 at the middle part of the hollowed-out rack 1, two groups of boxes 2021 are combined at the same time, the inflator housing 3 is positioned in a closed space formed by the boxes 2021 and the bearing table main body 2011, the pressurizing mechanism 203 is positioned right above the air inlet of the inflator housing 3, the electric push rod 208 continues to pull the L-shaped plate 205 downwards, as the lower end part of the inclined sliding groove 2042 is communicated with the vertical sliding groove, the bearing shaft 2043 slides downwards along the vertical sliding groove, the pin shaft 207 enters the spiral groove 2034 and slides along the spiral groove 2034, the outer shaft 2032 rotates, the outer shaft 2032 drives the guide block 32 through the limiting sliding groove 2035, the guide block 32 drives the inner shaft main body 31 and the rubber sleeve 33 to rotate in the inner cavity of the outer shaft sleeve 2032, during the rotation process of the inner shaft main body 31, the inner shaft main body 31 drives four groups of teeth 36 to rotate, the teeth 36 which rotate squeeze tooth grooves on the tooth disc 37, the teeth 36 are driven to slide downwards along the inner cavity of the fixed sleeve 2031 by the action of the counter thrust because the tooth disc 37 is fixed, the other group of pressing plates 34 compress the spring 35 until the lower end of the inner shaft main body 31 is inserted into the air inlet of the inflator housing 3, and the other group of pressing plates 34 cling to the upper port of the fixed sleeve 2031, the rubber sleeve 33 at the interface of the inner shaft main body 31 and the air inlet of the inflator housing 3 is extruded, the rubber sleeve 33 at the joint of the other group of pressing plates 34 and the upper port of the fixed sleeve 2031 is extruded until the pin shafts 207 are staggered with the spiral groove 2034, at the moment, the pin shafts 207 continue to slide along the vertical sliding grooves communicated with the lower ends of the spiral groove 2034, meanwhile, the lower end part of the piston rod 206 and the rubber plug enter the inner cavity of the inner shaft main body 31, so that air in the inner cavity of the inner shaft main body 31 is compressed into the inflator housing 3, the pin shafts 207 are stopped from moving downwards, the inflator housing 3 is pressurized, whether air bubbles are generated in water in the measuring cup 5 is observed, and whether the air tightness of the inflator housing 3 is qualified is tested.
The foregoing has shown and described the basic principles, principal 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, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides an inflator pump gas tightness detection device, includes fretwork rack (1), its characterized in that: the hollow placing frame (1) is placed on the testing device (2);
the test device (2) comprises:
the bearing table mechanism (201), the hollowed-out placing frame (1) is positioned on the bearing table mechanism (201), and the hollowed-out placing frame (1) is used for placing the inflator pump shell (3);
the seal box mechanisms (202) are symmetrically distributed on two sides of the bearing table mechanism (201);
a pressurizing mechanism (203) fixedly mounted on a set of the seal box mechanisms (202);
and piston rods (206) located directly above the two sets of seal box mechanisms (202);
the loading table mechanism (201) comprises: a carrier body (2011);
four sets of correction plates (2012) slidably mounted on the stage main body (2011);
a swivel shaft 2013 fixedly mounted in the carrier body 2011;
a turntable (2014) screwed on the screwing shaft (2013);
four groups of guide sliding grooves (2015) which are arranged on the turntable (2014) at equal angles;
a protruding shaft (2016) slidingly connected with the guide chute (2015), the protruding shaft (2016) being fixedly connected with a correction plate (2012);
two groups of connecting rods (2017) hinged on the rotary table (2014), wherein the two groups of connecting rods (2017) are driven to rotate in opposite directions, the rotary table (2014) slides four groups of protruding shafts (2016) along four groups of guide sliding grooves (2015) to drive four groups of correction plates (2012) to fold, the protruding shafts (2016) are used for driving the correction plates (2012) to correct an inflator pump shell (3), and the testing device (2) further comprises:
an L-shaped plate (205), the piston rod (206) being fixed to the L-shaped plate (205);
a pin shaft (207) fixedly mounted on the L-shaped plate (205);
the electric push rod (208) is fixedly connected with the lower end of the L-shaped plate (205);
and, L template (205) movable mounting is in the top of actuating mechanism (204), seal box mechanism (202) include:
the two groups of the box bodies (2021) are symmetrically distributed on two sides of the bearing table main body (2011);
a rectangular groove (2022) formed in one side of the case (2021);
a seal gasket (2023) adhered to the inside of the case (2021);
and a guide plate (2024) fixedly installed inside the case (2021);
two sets of rectangular holes (12) are formed in the outer ring of the bearing table main body (2011), the guide plate (2024) is connected with the rectangular holes (12) in a sliding mode, the connecting rod (2017) is hinged to the inner side wall of the box body (2021), and the driving mechanism (204) comprises:
a fixed plate (2041), wherein the electric push rod (208) is fixed on the fixed plate (2041);
two groups of oblique sliding grooves (2042) symmetrically arranged on the fixed plate (2041);
a receiving shaft (2043) which is connected with the inclined chute (2042) in a sliding way;
a T-shaped frame (2044) inserted into the bearing shaft (2043);
two groups of sliding rods (2045) symmetrically and fixedly arranged on the upper end surface of the fixed plate (2041);
offer horizontal spout (41) on T type frame (2044), accept axle (2043) sliding connection horizontal spout (41), accept axle (2043) one end sliding connection rectangular channel (2022), two sets of axle (2043) are accepted in drive along two sets of slant spouts (2042) and are used for driving two sets of box (2021) and merge sealedly, two sets of box (2021) that merge are used for driving two sets of connecting rods (2017) and move in opposite directions, L shaped board (205) are offered to T type frame (2044) upper end fixed connection, two sets of guiding holes (51) are offered to symmetry on L shaped board (205), guiding hole (51) sliding connection slide bar (2045).
2. The inflator gas tightness detection device of claim 1 wherein: the pressurizing mechanism (203) includes:
a securing sleeve (2031), the securing sleeve (2031) being secured to a set of the boxes (2021);
an outer sleeve (2032) screwed on the outer side of the fixed sleeve (2031);
an inner shaft mechanism (2033) movably mounted inside the fixed sleeve (2031);
a spiral groove (2034) formed in the outer sleeve (2032);
and two groups of limit sliding grooves (2035) symmetrically arranged on two sides in the outer shaft sleeve (2032), wherein the inner shaft mechanism (2033) comprises:
an inner shaft body (31), the inner shaft body (31) being located within the stationary sleeve (2031);
two groups of guide blocks (32) symmetrically arranged at two sides of the upper end of the inner shaft main body (31);
a rubber sleeve (33) coated on the inner shaft main body (31);
two sets of pressing plates (34) provided on the inner shaft main body (31);
a spring (35) positioned between the two groups of pressing plates (34), wherein the spring (35) is sleeved on the inner shaft main body (31);
four sets of teeth (36) equiangularly disposed on a set of said platens (34);
and, tooth (36) interlock fluted disc (37), guide block (32) sliding connection limit runner (2035), fluted disc (37) up end fixed connection the inner wall of fixed cover (2031), piston rod (206) lower tip is provided with the rubber buffer, and piston rod (206) lower tip is connected with rubber buffer sliding connection the inner chamber of interior axle main part (31), round pin axle (207) sliding connection helicla flute (2034), guide block (32) sliding connection limit runner (2035), drive round pin axle (207) are used for driving outer axle sleeve (2032) rotation along helicla flute (2034) sliding, and pivoted outer axle sleeve (2032) drives guide block (32) and interior axle main part (31) rotation through limit runner (2035), and pivoted interior axle main part (31) drive tooth (36) extrusion fluted disc (37) are used for inserting interior axle main part (31) air inlet of inflator housing (3), continue to drive round pin axle (207) along the vertical runner lower extreme intercommunication helicla flute (2034), and continue to slide down along with helicla flute (2034) and be used for driving interior axle main part (31) and drive air pump (206) into interior axle main part (3).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310528281.7A CN116296106B (en) | 2023-05-11 | 2023-05-11 | Inflator pump gas tightness detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310528281.7A CN116296106B (en) | 2023-05-11 | 2023-05-11 | Inflator pump gas tightness detection device |
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| CN116296106A CN116296106A (en) | 2023-06-23 |
| CN116296106B true CN116296106B (en) | 2023-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310528281.7A Active CN116296106B (en) | 2023-05-11 | 2023-05-11 | Inflator pump gas tightness detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118003021B (en) * | 2024-02-05 | 2024-06-25 | 益阳百炼链条科技有限公司 | Welding deflection device |
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| CN116296106A (en) | 2023-06-23 |
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