CN118670645B - Air tightness detection device of air pump - Google Patents

Air tightness detection device of air pump Download PDF

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Publication number
CN118670645B
CN118670645B CN202411163612.2A CN202411163612A CN118670645B CN 118670645 B CN118670645 B CN 118670645B CN 202411163612 A CN202411163612 A CN 202411163612A CN 118670645 B CN118670645 B CN 118670645B
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CN
China
Prior art keywords
fixedly connected
air
pipe
blocking
detection device
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Application number
CN202411163612.2A
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Chinese (zh)
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CN118670645A (en
Inventor
张道保
陆张海
庞祥
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Qidong Fengxin Pump Technology Co ltd
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Qidong Fengxin Pump Technology Co ltd
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Priority to CN202411163612.2A priority Critical patent/CN118670645B/en
Publication of CN118670645A publication Critical patent/CN118670645A/en
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Publication of CN118670645B publication Critical patent/CN118670645B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow in pipes or hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
    • 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
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3209—Details, e.g. container closure devices
    • 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
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

The invention belongs to the technical field of air pump air tightness detection, and discloses an air pump air tightness detection device which comprises a fixing mechanism, wherein a sealing mechanism is arranged on the fixing mechanism, a plugging mechanism or a pressure gauge is arranged on the sealing mechanism, the fixing mechanism comprises a lantern ring, a plurality of bolts are connected to the lantern ring in a threaded manner, the lower end of the lantern ring is rotationally connected with a toothed ring, a plurality of first gears are meshed with the circumferential side of the toothed ring, the first gears are fixedly connected with a threaded sleeve, the sealing mechanism comprises a threaded column in threaded connection with the threaded sleeve, the upper end of the threaded column is fixedly connected with a plugging disc, the plugging disc is fixedly connected with a connecting pipe, and the circumferential side of the connecting pipe is fixedly connected with a rubber ring. The fixing mechanism is matched with the sealing mechanism, can be installed and connected with the air inlet pipe (air outlet pipe) openings on a plurality of air storage tanks with different openings, ensures the tightness of the connecting pipe and the air inlet pipe (air outlet pipe), is provided with a pressure gauge for plugging and judging whether the air storage tanks are qualified or not, is provided with a plugging mechanism for being connected with an air charging device, and can be plugged after the air charging is finished.

Description

Air tightness detection device of air pump
Technical Field
The invention belongs to the technical field of air pump air tightness detection, and particularly relates to an air pump air tightness detection device.
Background
The air pump is an "air pump," a device that removes air from an enclosed space or adds air from an enclosed space. The air pump is mainly divided into an electric air pump, a manual air pump and a foot-operated air pump. The electric air pump is an air pump taking electric power as power, and continuously compresses air through the electric power.
The electric air pump mainly comprises an air storage tank and an air compressor arranged on the air storage tank, and the air generated by the air compressor is led in through an air inlet pipe on the air storage tank.
In the production process of the air storage tank shell, the problem of material and process defects exists, so that pores which cannot be distinguished by naked eyes are easily formed on the air storage tank shell, the strength of the air storage tank shell is insufficient or air leakage is easy to occur, in order to ensure the quality of the air storage tank shell, the air tightness of the air storage tank shell needs to be detected after the air storage tank shell is manufactured, the air storage tank is placed in water, the air storage tank is inflated to observe whether air bubbles are formed or not, and the defect exists in the air storage tank due to the fact that air bubbles exist.
Because the gas holder use is different, also leads to the gas holder size difference of producing, and then leads to the intake pipe on the gas holder and outlet duct bore size also different, when need aerify in the gas holder, need block up one of them mouth of pipe, aerify from another mouth of pipe, at this moment, then need a plugging device that can be applicable to different mouth of pipe bore and to air guide device.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide an air tightness detection device of an air pump, which can be installed and connected with air inlet pipe (air outlet pipe) ports on a plurality of air storage tanks with different diameters through the cooperation of a fixing mechanism and a sealing mechanism, so as to ensure the air tightness between a connecting pipe and the air inlet pipe (air outlet pipe) ports, can be used for plugging through installing a pressure gauge, can also be used for judging whether the air storage tanks are qualified through the change of pressure values, and can be connected with an air charging pipe on an air charging device through installing a plugging mechanism, and can be plugged after the air charging is finished.
The aim of the invention can be achieved by the following technical scheme:
The air tightness detection device of the air pump comprises two groups of fixing mechanisms, wherein each group of fixing mechanisms is provided with a sealing mechanism, one group of sealing mechanisms is provided with a plugging mechanism, and the other group of sealing mechanisms is provided with a pressure gauge;
The fixing mechanism comprises a lantern ring, the upper end of the lantern ring is connected with a plurality of bolts along the circumferential direction of the lantern ring in a threaded manner, the lower end of the lantern ring is connected with a toothed ring in a rotating manner, a plurality of uniformly distributed first gears are connected to the circumferential side of the toothed ring in a meshed manner, a threaded sleeve is fixedly connected to the upper surface of each first gear, a connecting block is connected to the lower end of each threaded sleeve in a rotating manner, and the connecting blocks are fixedly connected to the circumferential side of the lantern ring;
the sealing mechanism comprises a threaded column in threaded connection with the threaded sleeve, the upper end of the threaded column is fixedly connected with a plugging disc, a connecting pipe is fixedly connected in the middle of the plugging disc, and a rubber ring is fixedly connected to the periphery of the connecting pipe on the same side of the threaded column.
The plugging mechanism comprises a plugging tube fixedly connected with the connecting tube, a plugging block is arranged on the inner side of the plugging tube, a plurality of vent holes are formed in the periphery of the plugging block, a groove is formed in the middle of the plugging block, regulating grooves communicated with the groove are symmetrically formed in two sides of the plugging block, a second gear is arranged in the groove, the second gear is meshed with a rack, the rack is fixedly connected to the side wall of the groove, connecting rods are fixedly connected to two sides of the second gear, the connecting rods penetrate through the regulating grooves and extend outwards from the side wall of the plugging tube, a limiting assembly is arranged at the outer side end of one connecting rod, and an air pipe is fixedly connected to the upper end of the plugging block.
Further, the spacing subassembly include with connecting rod fixedly connected with spacing wheel, spacing wheel week side is provided with the tooth, spacing wheel outside cover has the stop collar, and the stop collar inside wall is provided with the tooth's socket with tooth meshing, fixedly connected with square slide bar on the stop collar, sliding connection has the support on the square slide bar, support and shutoff pipe lateral wall fixed connection, the support with the cover has the spring on the square slide bar between the stop collar.
Further, the lower end of the lantern ring is fixedly connected with a connecting ring, and the toothed ring is sleeved on the connecting ring for rotary connection.
Further, the upper surface fixedly connected with pivot of first gear, the upper end of pivot with threaded sleeve's lower extreme fixed connection, the pivot with the connecting block rotates to be connected.
Further, a hole is formed in the inner side of the threaded sleeve along the axis of the threaded sleeve, an internal thread is arranged in the inner side of the hole, and the threaded column is in threaded connection with the hole.
Further, the cross-sectional shape of the threaded sleeve is regular hexagon.
Further, the outer diameter of the rubber ring is sequentially increased from bottom to top.
Further, a rubber gasket is arranged at the inner side part of the plugging tube.
Further, the outer side end of the other connecting rod is fixedly connected with a knob.
The noun, conjunctive or adjective parts related to the above technical solution are explained as follows:
By fixed connection is meant a connection without any relative movement after the parts or components are fixed. The device is divided into a detachable connection type and a non-detachable type.
The detachable connection is to fix the parts together by using screws, splines, wedge pins and the like. The connection mode can be disassembled during maintenance, and parts cannot be damaged. The connector used must be of the correct size (e.g. length of bolt, key) and tightened properly.
(2) The non-detachable connection mainly refers to welding, riveting, tenon passing matching and the like. Because the parts can be disassembled only by forging, sawing or oxygen cutting during maintenance or replacement, the parts cannot be used for a second time generally. Also, during connection, attention should be paid to process quality, technical inspection and remedial measures (e.g., correction, polishing, etc.).
Threaded connection refers to a detachable connection in which a threaded member (or threaded portion of a connected member) is used to connect the connected member into one body.
Sliding connection means that two objects are in contact but not fixed, and the two objects can slide relatively.
Rotational coupling means that the coupling between the parts causes the parts to rotate relative to each other.
The invention has the beneficial effects that:
Through the cooperation of fixed establishment and sealing mechanism, can carry out the erection joint with intake pipe (outlet duct) mouth on the gas holder of most different bore, guarantee the gas tightness between connecting pipe and the intake pipe (outlet duct) mouth, can not only block up through installing the manometer, can also judge whether the gas holder is qualified through the pressure value change, can be connected with the gas tube on the aerating device through installing the shutoff mechanism, after filling up, can block up.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort.
FIG. 1 is a schematic view showing the overall structure of a connection with an air inlet pipe (air outlet pipe) according to an embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of the embodiment of the present invention, which is not connected to an air inlet pipe (air outlet pipe);
FIG. 3 is a schematic view of a first view structure of a fixing mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic view of a second view of a securing mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a seal mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a plugging mechanism according to an embodiment of the present invention;
FIG. 7 is a schematic block diagram of an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a limiting component according to an embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like indicate orientation or positional relationships, merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
As shown in fig. 1-8, an air tightness detection device of an air pump comprises two groups of fixing mechanisms 1, wherein each group of fixing mechanisms 1 is provided with a sealing mechanism 2, one group of sealing mechanisms 2 is provided with a plugging mechanism 3, and the other group of sealing mechanisms 2 is provided with a pressure gauge;
the fixing mechanism 1 comprises a lantern ring 11, wherein the upper end of the lantern ring 11 is connected with a plurality of bolts 12 along the circumferential direction of the lantern ring, the lower end of the lantern ring 11 is rotationally connected with a toothed ring 13, a plurality of uniformly distributed first gears 14 are connected on the circumferential side of the toothed ring 13 in a meshed manner, a threaded sleeve 15 is fixedly connected on the upper surface of the first gears 14, a connecting block 111 is rotationally connected at the lower end of the threaded sleeve 15, and the connecting block 111 is fixedly connected on the circumferential side of the lantern ring 11;
The sealing mechanism 2 comprises a threaded column 21 in threaded connection with the threaded sleeve 15, a plugging disc 22 is fixedly connected to the upper end of the threaded column 21, a connecting pipe 23 is fixedly connected to the middle of the plugging disc 22, and a rubber ring 24 is fixedly connected to the periphery of the connecting pipe 23 positioned on the same side of the threaded column 21;
The plugging mechanism 3 comprises a plugging tube 31 fixedly connected with the connecting tube 23, a plugging block 32 is arranged on the inner side of the plugging tube 31, a plurality of vent holes 321 are formed in the periphery of the plugging block 32, a groove 322 is formed in the middle of the plugging block 32, regulating grooves 323 communicated with the groove 322 are symmetrically formed in two sides of the plugging block 32, a second gear 33 is arranged in the groove 322, the second gear 33 is meshed with a rack 34, the rack 34 is fixedly connected to the side wall of the groove 322, connecting rods 35 are fixedly connected to two sides of the second gear 33, the connecting rods 35 penetrate through the regulating grooves 323 and extend outwards from the side wall of the plugging tube 31, a limiting assembly 36 is arranged at the outer side end of one connecting rod 35, and an air pipe 37 is fixedly connected to the upper end of the plugging block 32.
When the sealing mechanism is used, two groups of fixing mechanisms 1 and sealing mechanisms 2 are taken out, the lantern ring 11 is sleeved on the air inlet pipe (air outlet pipe), the connecting pipe 23 is inserted into the pipe orifice of the air inlet pipe (air outlet pipe), the bolt 12 is screwed down for fastening, the lantern ring 11 is fixed on the air inlet pipe (air outlet pipe), one of the threaded sleeves 15 is rotated, the threaded sleeve 15 drives the first gear 14 at the lower end to rotate, the first gear 14 drives the toothed ring 13 to rotate, the first gear 14 drives the rest first gear 14 to rotate, the threaded sleeve 15 is further synchronously rotated, the threaded columns 21 move jointly into the threaded sleeve 15, the plurality of threaded columns 21 are pulled, the plugging disc 22 moves towards the pipe orifice of the air inlet pipe (air outlet pipe), the pipe orifice of the air inlet pipe (air outlet pipe) is tightly pressed against the rubber ring 24, so that the air tightness between the pipe orifice of the air inlet pipe (air outlet pipe) and the connecting pipe 23 can be ensured, and the air leakage cannot be ensured by fixedly connecting a pressure gauge on the connecting pipe 23 on the sealing mechanism 2. The other group of connecting pipes 23 on the sealing mechanism 2 are fixedly connected with the plugging mechanism 3, the plugging mechanism 3 is connected with an inflation pipe on the inflation device, when the inflation device blows enough pressure gas into the gas storage tank, the plugging mechanism 3 is closed, the gas is guaranteed to be unable to leak, the gas storage tank is placed for a period of time, whether the pressure gauge changes or not is observed, and whether the gas storage tank is qualified or not is further judged.
When the inflatable device is inflated, the air pipe 37 is connected with the inflation pipe on the inflation device, air enters the space at the upper end inside the plugging tube 31 from the air pipe 37, and enters the space at the lower end inside the plugging tube 31 along the vent hole 321, and then enters the air storage tank through the connecting pipe 23. After the air is flushed, the connecting rod 35 is rotated to enable the second gear 33 to rotate, the second gear 33 drives the rack 34 to move downwards, the rack 34 drives the plugging block 32 to move downwards on the inner side of the plugging tube 31 until the lower end of the plugging block 32 is tightly attached to the bottom of the inner side of the plugging tube 31, and the vent 321 is plugged, and at the moment, the connecting rod 35 is limited to rotate through the limiting component 36.
In one embodiment of the present invention, the limiting assembly 36 includes a limiting wheel 361 fixedly connected to the connecting rod 35, teeth are provided on the peripheral side of the limiting wheel 361, a limiting sleeve 362 is sleeved on the outer side of the limiting wheel 361, tooth grooves meshed with the teeth are provided on the inner side wall of the limiting sleeve 362, a square sliding rod 363 is fixedly connected to the limiting sleeve 362, a bracket 364 is slidingly connected to the square sliding rod 363, the bracket 364 is fixedly connected to the side wall of the plugging tube 31, and a spring 365 is sleeved on the square sliding rod 363 between the bracket 364 and the limiting sleeve 362. When the connecting rod 35 needs to rotate, the square slide bar 363 is pulled outwards to enable the limiting sleeve 362 to be separated from the limiting wheel 361, when the connecting rod 35 needs to be limited to rotate, the square slide bar 363 is loosened, under the elasticity of the spring 365, the limiting sleeve 362 is sleeved on the limiting wheel 361, tooth grooves on the inner side of the limiting sleeve 362 are meshed with tooth teeth on the periphery of the limiting wheel 361, and the limiting sleeve 362 cannot rotate due to the fact that the square slide bar 363 cannot rotate, and then the limiting wheel 361 and the connecting rod 35 cannot rotate.
In one embodiment of the invention, the lower end of the collar 11 is fixedly connected with a connecting ring 112, and the toothed ring 13 is sleeved on the connecting ring 112 to be connected in a rotating way.
In one embodiment of the present invention, a rotating shaft is fixedly connected to the upper surface of the first gear 14, the upper end of the rotating shaft is fixedly connected to the lower end of the threaded sleeve 15, and the rotating shaft is rotatably connected to the connection block 111.
In one embodiment of the present invention, the inside of the threaded sleeve 15 is provided with a hole 151 along its axis, the inside of the hole 151 is provided with an internal thread, and the threaded post 21 is screwed into the hole 151.
In one embodiment of the invention, the cross-sectional shape of the threaded sleeve 15 is a regular hexagon. The wrench can be screwed.
In one embodiment of the present invention, the outer diameter of the rubber ring 24 increases sequentially from bottom to top. The part of the outer diameter of the rubber ring 24 smaller than the inner diameter of the air inlet pipe (air outlet pipe) is plugged into the mouth of the air inlet pipe (air outlet pipe) for blocking, and the part of the outer diameter of the rubber ring 24 larger than the inner diameter of the air inlet pipe (air outlet pipe) is plugged into the mouth of the air inlet pipe (air outlet pipe). The sealing effect can be enhanced.
In one embodiment of the invention, the inner side of the occlusion tube 31 is provided with a rubber gasket. When the lower end of the plugging block 32 abuts against the rubber gasket, the rubber gasket plugs the vent 321, so that the sealing effect is ensured.
In one embodiment of the present invention, a knob 38 is fixedly attached to the outer end of the other connecting rod 35. The connecting rod 35 is rotated together with the rest of the components on the connecting rod 35 by rotating the knob 38.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
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 foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined in the appended claims.

Claims (9)

1.一种气泵的气密性检测装置，其特征在于，包括两组固定机构（1），每一组固定机构（1）上均设置有密封机构（2），一组密封机构（2）上设置有封堵机构（3），另一组密封机构（2）上设置有压力表；1. An air tightness detection device for an air pump, characterized in that it comprises two sets of fixing mechanisms (1), each set of fixing mechanisms (1) is provided with a sealing mechanism (2), one set of sealing mechanisms (2) is provided with a blocking mechanism (3), and the other set of sealing mechanisms (2) is provided with a pressure gauge; 所述固定机构（1）包括套环（11），所述套环（11）上端沿其周向螺纹连接有若干个螺栓（12），所述套环（11）下端转动连接有齿环（13），所述齿环（13）周侧啮合连接有若干个均匀分布的第一齿轮（14），所述第一齿轮（14）上表面固定连接有螺纹套筒（15），所述螺纹套筒（15）下端转动连接有连接块（111），所述连接块（111）固定连接在所述套环（11）周侧；The fixing mechanism (1) comprises a collar (11), the upper end of the collar (11) being threadedly connected to a plurality of bolts (12) along its circumferential direction, the lower end of the collar (11) being rotatably connected to a gear ring (13), the circumferential side of the gear ring (13) being meshingly connected to a plurality of evenly distributed first gears (14), the upper surface of the first gear (14) being fixedly connected to a threaded sleeve (15), the lower end of the threaded sleeve (15) being rotatably connected to a connecting block (111), the connecting block (111) being fixedly connected to the circumferential side of the collar (11); 所述密封机构（2）包括与所述螺纹套筒（15）螺纹连接的螺纹柱（21），所述螺纹柱（21）上端固定连接有封堵盘（22），所述封堵盘（22）中间固定连接有连接管（23），位于所述螺纹柱（21）同侧的所述连接管（23）周侧固定连接有橡胶圈（24）；The sealing mechanism (2) comprises a threaded column (21) threadedly connected to the threaded sleeve (15); a sealing disk (22) is fixedly connected to the upper end of the threaded column (21); a connecting tube (23) is fixedly connected to the middle of the sealing disk (22); and a rubber ring (24) is fixedly connected to the peripheral side of the connecting tube (23) located on the same side of the threaded column (21); 所述封堵机构（3）包括与所述连接管（23）固定连接的封堵管（31），所述封堵管（31）内侧设置有封堵块（32），所述封堵块（32）周侧开设有若干个通气孔（321），所述封堵块（32）中间开设有凹槽（322），所述封堵块（32）两侧对称开设有与所述凹槽（322）相通的调节槽（323），所述凹槽（322）内设置有第二齿轮（33），所述第二齿轮（33）啮合有齿条（34），所述齿条（34）固定连接在所述凹槽（322）侧壁，所述第二齿轮（33）两侧固定连接有连接杆（35），所述连接杆（35）穿过所述调节槽（323）与所述封堵管（31）侧壁向外侧延伸，其中一个所述连接杆（35）外侧端设置有限位组件（36），所述封堵块（32）的上端固定连接有气管（37）；The blocking mechanism (3) comprises a blocking tube (31) fixedly connected to the connecting tube (23); a blocking block (32) is arranged inside the blocking tube (31); a plurality of vent holes (321) are arranged around the blocking block (32); a groove (322) is arranged in the middle of the blocking block (32); adjustment grooves (323) communicating with the groove (322) are symmetrically arranged on both sides of the blocking block (32); a second gear (33) is arranged in the groove (322); ), the second gear (33) is meshed with a rack (34), the rack (34) is fixedly connected to the side wall of the groove (322), connecting rods (35) are fixedly connected to both sides of the second gear (33), the connecting rods (35) pass through the adjustment groove (323) and the side wall of the blocking tube (31) and extend outward, a limiting component (36) is provided at the outer end of one of the connecting rods (35), and the upper end of the blocking block (32) is fixedly connected to the trachea (37); 充气时，气管（37）与充气装置上的充气管进行连接，气体从气管（37）进入到封堵管（31）内部上端的空间内，气体顺着通气孔（321）进入到封堵管（31）内部下端的空间内，接着通过连接管（23）进入到储气罐内；当冲完气后，转动连接杆（35）使得第二齿轮（33）转动，第二齿轮（33）驱动齿条（34）下移，齿条（34）带动封堵块（32）在封堵管（31）内侧下移，直至封堵块（32）下端与封堵管（31）内侧底部紧密贴合，将通气孔（321）堵住，此时通过限位组件（36）限制连接杆（35）转动。During inflation, the air pipe (37) is connected to the inflation pipe on the inflation device, and the gas enters the space at the upper end of the sealing pipe (31) from the air pipe (37), and enters the space at the lower end of the sealing pipe (31) along the vent hole (321), and then enters the gas storage tank through the connecting pipe (23); when the inflation is completed, the connecting rod (35) is rotated to rotate the second gear (33), and the second gear (33) drives the rack (34) to move downward, and the rack (34) drives the blocking block (32) to move downward inside the blocking pipe (31) until the lower end of the blocking block (32) is tightly fitted with the bottom of the inner side of the blocking pipe (31), thereby blocking the vent hole (321), and at this time, the rotation of the connecting rod (35) is limited by the limit assembly (36). 2.根据权利要求1所述的一种气泵的气密性检测装置，其特征在于，所述限位组件（36）包括与所述连接杆（35）固定连接有限位轮（361），所述限位轮（361）周侧设置有齿牙，所述限位轮（361）外侧套有限位套（362），所述限位套（362）内侧壁设置有与齿牙啮合的齿槽，所述限位套（362）上固定连接有方形滑杆（363），所述方形滑杆（363）上滑动连接有支架（364），所述支架（364）与所述封堵管（31）侧壁固定连接，所述支架（364）与所述限位套（362）之间的所述方形滑杆（363）上套有弹簧（365）。2. An air tightness detection device for an air pump according to claim 1, characterized in that the limit assembly (36) includes a limit wheel (361) fixedly connected to the connecting rod (35), the limit wheel (361) is provided with teeth on its circumferential side, the limit wheel (361) is sleeved with a limit sleeve (362) on its outer side, the inner wall of the limit sleeve (362) is provided with tooth grooves meshing with the teeth, the limit sleeve (362) is fixedly connected with a square slide bar (363), the square slide bar (363) is slidably connected with a bracket (364), the bracket (364) is fixedly connected to the side wall of the blocking tube (31), and a spring (365) is sleeved on the square slide bar (363) between the bracket (364) and the limit sleeve (362). 3.根据权利要求1所述的一种气泵的气密性检测装置，其特征在于，所述套环（11）的下端固定连接有连接环（112），所述齿环（13）套在所述连接环（112）上转动连接。3. An air tightness detection device for an air pump according to claim 1, characterized in that a connecting ring (112) is fixedly connected to the lower end of the collar (11), and the gear ring (13) is sleeved on the connecting ring (112) and rotatably connected. 4.根据权利要求1所述的一种气泵的气密性检测装置，其特征在于，所述第一齿轮（14）的上表面固定连接有转轴，所述转轴的上端与所述螺纹套筒（15）的下端固定连接，所述转轴与所述连接块（111）转动连接。4. An air tightness detection device for an air pump according to claim 1, characterized in that a rotating shaft is fixedly connected to the upper surface of the first gear (14), the upper end of the rotating shaft is fixedly connected to the lower end of the threaded sleeve (15), and the rotating shaft is rotatably connected to the connecting block (111). 5.根据权利要求4所述的一种气泵的气密性检测装置，其特征在于，所述螺纹套筒（15）的内侧沿其轴线开设有孔洞（151），所述孔洞（151）内侧设置有内螺纹，所述螺纹柱（21）螺纹连接在所述孔洞（151）内。5. An air tightness detection device for an air pump according to claim 4, characterized in that a hole (151) is opened on the inner side of the threaded sleeve (15) along its axis, an internal thread is arranged on the inner side of the hole (151), and the threaded column (21) is threadedly connected in the hole (151). 6.根据权利要求5所述的一种气泵的气密性检测装置，其特征在于，所述螺纹套筒（15）的截面形状为正六边形。6. An air tightness detection device for an air pump according to claim 5, characterized in that the cross-sectional shape of the threaded sleeve (15) is a regular hexagon. 7.根据权利要求1所述的一种气泵的气密性检测装置，其特征在于，所述橡胶圈（24）的外径从下往上依次增大。7. An air tightness detection device for an air pump according to claim 1, characterized in that the outer diameter of the rubber ring (24) increases from bottom to top. 8.根据权利要求2所述的一种气泵的气密性检测装置，其特征在于，所述封堵管（31）的内侧部设置有橡胶垫圈。8. An air tightness detection device for an air pump according to claim 2, characterized in that a rubber gasket is provided on the inner side of the sealing tube (31). 9.根据权利要求8所述的一种气泵的气密性检测装置，其特征在于，另一个所述连接杆（35）外侧端固定连接有旋钮（38）。9. An air tightness detection device for an air pump according to claim 8, characterized in that a knob (38) is fixedly connected to the outer end of the other connecting rod (35).
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