CN114909275B - Miniature suction pipe type air pump - Google Patents

Abstract

The invention belongs to the technical field of miniature air pumps, and discloses a miniature suction pipe type air pump which comprises a pump body, wherein the end face of the pump body is fixedly communicated with a second pipe, an air suction valve is arranged in the second pipe, the inner surface of the second pipe is fixedly connected with a fixing frame, the top surface of the fixing frame is fixedly connected with a first spring, and the top surface of the first spring is fixedly connected with a mounting mechanism. According to the invention, when the air pump sucks moisture air, moisture in the air is sucked into the drying agent in the second pipe through the ventilation layer, so that the humidity of the sucked air is greatly reduced, the moisture in the air is prevented from flowing to the suction valve and the air outlet valve, the failure of the suction valve and the air outlet valve caused by oxidization is avoided, the service life of the air pump is prolonged, the fixing mechanism is pulled and the sleeve plate is enabled to move outwards when the drying agent is replaced, the drying mechanism is enabled to be removed through the filtering hole, the actual replacement operation is simple, the first cylinder and the second cylinder are pulled to be separated, the replacement can be opened, the operation is simple, and the use effect is good.

Description

Miniature suction pipe type air pump

Technical Field

The invention belongs to the technical field of miniature air pumps, and particularly relates to a miniature suction pipe type air pump.

Background

The miniature air pump is a gas conveying device which is small in size, adopts a gaseous working medium, is mainly used for multiple purposes such as gas sampling, gas circulation, vacuum adsorption, vacuum pressure maintaining, air extraction, inflation, pressurization and the like, is usually used for sucking when being used in the medical field, and adopts a mode of being connected with an air suction pipe to realize air suction.

The existing miniature suction pipe type air pump is characterized in that in the use process, air is sucked by the air pump, when partial medical measures are sucked, a great amount of moisture is mixed with sucked air, so that the wet air is sucked into the pump body in the suction process, the suction check valve and the air outlet check valve of the pump body are of precise structures, when the wet air suction is frequently carried out, the internal environments of the pump body, the suction check valve and the air outlet check valve are moist, the internal structure of the check valve is oxidized, the action blocking of the check valve is caused, and the condition of inexact sealing is influenced, so that the service life of the air pump is influenced.

In addition, current miniature straw formula air pump, when cup jointing the straw, cup joint the suction hose in the outside of fixed pipe generally, utilize suction hose and fixed pipe cup joint damping to realize stably cup jointing, however, frequent pulling suction hose is easy in the use, suction hose needs to wash after using, actual suction hose cup joint and take off the frequency higher for suction hose inner wall wearing and tearing, thereby follow-up cup joint the back, actual damping effect weakens, suction hose is easy not hard up, in the process of breathing in, when receiving external force and coming off, easy gas leakage that makes the suction, the in-service use effect is not good.

Disclosure of Invention

The invention aims to provide a miniature suction pipe type air pump so as to solve the problems in the prior art.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a miniature straw formula air pump, includes the pump body, the terminal surface fixed intercommunication of the pump body has No. two pipes, no. two pipe's inside is equipped with the suction valve, no. two pipe's internal surface fixedly connected with mount, the top surface fixedly connected with spring of mount, the top surface fixedly connected with installation mechanism of spring, installation mechanism's top surface movable mounting has drying mechanism, installation mechanism's top surface fixedly connected with sleeve plate, no. two pipe's internal surface fixed has cup jointed the filter, no. two pipe's surface activity has cup jointed suction hose, the through-hole has been seted up to suction hose's surface, no. two pipe's surface has seted up the side tank, side tank's internal surface movable mounting has fixed establishment, fixed establishment and sleeve plate fixed connection.

First embodiment: as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, when the second pipe is used for sucking air, the sucked mixed humid air enters the inside of the second pipe, impurities in the air are filtered in the filtering holes of the filtering plate, the humid mixed air enters the outside of the drying mechanism through the filtering plate, moisture in the mixed air is sucked into the inside through the ventilation layer and adsorbed with the drying agent in the inside, the air after being filtered and dried enters the inside of the pump body through pushing the suction valve and is blown out through the air outlet valve, when the drying agent in the drying mechanism needs to be replaced, the fixing mechanism is pulled outwards, the fixing mechanism drives the sleeve plate to move, the sleeve plate is pulled to move outwards, the drying mechanism arranged at the side surface of the mounting mechanism passes through the filtering holes, the drying mechanism is taken out from the side surface inlet of the second pipe, the first cylinder and the second cylinder are pulled outwards, the elastic rope is stretched, the inside drying agent is poured out, the new drying agent is thrown into the first cylinder and the second cylinder, the drying mechanism is sleeved into the mounting hole of the mounting mechanism along the filtering holes of the filtering plate, the first cylinder and the first cylinder is reset, and the magnetic spring is driven to release the fixing mechanism; when the filter material in the filter holes on the filter plate needs to be cleaned, the fixing mechanism is pulled outwards, so that the sleeve plate is driven to pull the mounting mechanism to move, the drying mechanism is sleeved in the filter holes along with the stretching of the first spring, and the blocking material is extruded, so that the blocking impurities are cleaned.

Firstly, through add the mount in No. two pipes, and make a spring and the installation mechanism fixed connection on the mount top, and offer the mounting hole at the top surface of installation mechanism, utilize the magnetic plate in the mounting hole to adsorb fixedly the drying mechanism who cup joints in the mounting hole, and utilize elastic rope to connect a horn and a No. two barrels of drying mechanism, make the drier store in a horn and No. two barrels, and cooperate the ventilative layer in the drying mechanism, when making the air pump suck the moisture in the air, the moisture in the air is inhaled in No. two pipes through ventilative layer in inside drier, greatly reduced the humidity of inhaled air, moisture in the air is avoided flowing to suction valve and venthole department, avoid oxidation to make suction valve and venthole trouble inefficacy, improve air pump life, and when changing the drier, pulling fixed establishment and make the sleeve plate outwards remove, make drying mechanism shift out through the filtration hole, and in practice change easy operation, pulling a horn and No. two barrel separation can open the change, easy operation, good use effect.

In addition, through add installation mechanism and drying mechanism in No. two pipes, and make drying mechanism and the filtration pore one-to-one of filter, in the filter appears blocking up the in-process, through pulling the cover board and drive installation mechanism and remove, make the drying mechanism of installing on installation mechanism top surface embolia in the filtration pore of filter, realize the extrusion of plug in the filtration pore, thereby the convenience of actually cleaning up the filter has been improved greatly, the cooperation is with No. two pipe sleeved suction hose, and make suction hose and fixed establishment be connected, make in-process of connecting suction hose, drive fixed establishment through pulling suction hose and remove, thereby realize the removal of cover board, realize that drying mechanism extrudes impurity in with the filtration pore, guarantee to install behind the suction hose and when putting into service, still can realize the clearance of plug through pulling suction hose, excellent in use effect.

Preferably, the installation mechanism comprises installation rings, connecting blocks, installation holes and magnetic plates, wherein the installation holes are formed in the top surfaces of the installation rings, the magnetic plates are fixedly sleeved in the installation holes, and the number of the installation rings is three, and the installation rings are fixedly connected through the connecting blocks.

Preferably, the quantity of mounting hole is the same with the quantity of drying mechanism, the internal surface of mounting hole cup joints with the activity of drying mechanism, and is three have the clearance of equidimension between the collar, through guaranteeing to have sufficient clearance between the collar, avoid blocking No. two pipes, guarantee gaseous inhaled stability, through the magnetism that utilizes the magnetic plate realizes cup jointing the absorption of a horn in the mounting hole fixed, and convenient to detach changes the drier under the magnetism absorption.

Preferably, the drying mechanism comprises a first horn, a second horn, an elastic rope, an annular groove and a ventilation layer, wherein the first horn is connected with the second horn through the elastic rope, the annular groove is formed in the outer surfaces of the first horn and the second horn, the ventilation layer is fixedly connected in the annular groove, the ventilation layer allows moisture in air to enter, and the ventilation layer is matched with an inside drying agent to dry the air, so that transition oxidization of an air suction valve and an air outlet valve is avoided.

Preferably, the filter holes and the trepanning have been seted up respectively to the side of filter, the internal surface and the trepanning activity of trepanning cup joint, the quantity of filter holes is the same with the quantity of drying mechanism, filter holes and drying mechanism one-to-one through making filter holes and drying mechanism one-to-one for every filter holes all can receive extrusion clearance to and guarantee that every group drying mechanism all can shift out, the elasticity rope has the trend of shrink under a horn and No. two canister contact condition, guarantees to strain fixedly with a horn and No. two canister stability.

Preferably, the shape size of a horn is the same with that of a horn, the diameter of a horn is less than the internal diameter of filtration pore, the length of a horn is greater than the thickness of filter, guarantees that a horn and a horn all can pass the filtration pore, and the setting of cooperation length for when drying mechanism slipped out from the filtration pore, had sufficient area to hold, conveniently realized drying mechanism's taking out.

Preferably, the fixed establishment includes adjustable shelf, hole, solid fixed ring, no. two springs, plectane, fixed plate, action bars, bottom plate and fixture block, the surface and the side tank activity of adjustable shelf cup joint, the medial surface and the cover board fixed connection of adjustable shelf, the side and the plectane activity of adjustable shelf cup joint, the outer terminal surface and the fixed plate fixed connection of plectane, action bars fixed connection is on the side of fixed plate, and the outer end of action bars is located the outside of side tank, fixed plate and adjustable shelf all are located the inside of side tank.

Preferably, the upper end and the bottom plate fixed connection of fixed plate, fixture block fixed connection is on the side of bottom plate, the diameter of fixture block is less than the internal diameter of through-hole, through utilizing the fixture block to cup joint in the through-hole, realizes being connected with the suction hose for when pulling the suction hose, can realize fixed establishment's pulling.

Preferably, the inner hole is formed in the side face of the movable frame, the fixed ring is fixedly connected to the side face of the movable frame and is communicated with the inner hole, the second spring is fixedly connected to the inner hole, the inner end face of the circular plate is sleeved in the inner hole and is fixedly connected with the second spring, the circular plate can move to the inner hole by utilizing the elasticity of the second spring, and automatic reset can be achieved after the operating rod is loosened.

Preferably, the side of the pump body is fixedly communicated with a first pipe, an air hole is formed in the outer surface of the pump body, the air hole is communicated with the first pipe, an air outlet valve is arranged in the air hole, pumping of sucked air is achieved through the air outlet valve, and the air suction valve and the air outlet valve are all existing mechanisms.

Second embodiment: as shown in fig. 1, fig. 2, fig. 3, fig. 7 and fig. 8, when the suction hose is sleeved on the outer surface of the second tube, the operating rod of the fixing mechanism is pressed, so that the operating rod drives the fixing plate to slide towards the inside of the side groove, meanwhile, the circular plate on the side surface of the fixing plate compresses the second spring along the inner hole, the bottom plate at the top end of the fixing plate is driven to move and press into the inside of the side groove, the clamping block on the outer side surface of the bottom plate is driven to move from the outer side of the side groove to the inside of the side groove, the suction hose is pushed to be sleeved continuously, the through hole on the suction hose slides downwards along the position of the side groove, and when the through hole is aligned with the clamping block, the operating rod is released, the clamping block is sleeved in the through hole of the suction hose, and when the suction hose is pulled outwards, the fixing mechanism is driven to move, so that the connected sleeve plate drives the mounting mechanism to slide, and the suction hose is stopped along with the stretching of the first spring and the limiting of the filtering plate.

Firstly, set up the side slot through the lateral surface at No. two pipes to make and add fixed establishment in the side slot, utilize fixed establishment's movable frame and cover board fixed connection, drive cover board and installation mechanism and remove when making pulling fixed establishment, and be connected with the plectane through No. two springs in the hole of movable frame, when making emboliaing the suction hose, make fixture block on the fixed establishment emboliaing in the through-hole of suction hose, under external force pulling suction hose, through driving fixed establishment removal, draw the tensile of No. one spring, and cooperate the spacing of filter, make the suction hose after the cup jointing have very reliable spacing effect, make the suction hose of cup jointing unable slippage from No. two pipes, improve the stability after the cup jointing, greatly reduced the slippage causes the condition of gas leakage, excellent in use effect.

The beneficial effects of the invention are as follows:

1. according to the invention, the fixing frame is additionally arranged in the second pipe, the first spring on the top end of the fixing frame is fixedly connected with the mounting mechanism, the mounting hole is formed in the top surface of the mounting mechanism, the magnetic plate in the mounting hole is used for adsorbing and fixing the drying mechanism sleeved in the mounting hole, the first cylinder and the second cylinder of the drying mechanism are connected by the elastic rope, so that the drying agent is stored in the first cylinder and the second cylinder, and the air permeable layer in the drying mechanism is matched, when the air pump pumps moisture and absorbs air, moisture in the air is sucked into the inside drying agent through the air permeable layer in the second pipe, the humidity of the sucked air is greatly reduced, the moisture in the air is prevented from flowing to the positions of the air suction valve and the air outlet valve, the failure of the air suction valve and the air outlet valve is avoided, the service life of the air pump is prolonged, the fixing mechanism is pulled, the sleeve plate is outwards moved, the drying mechanism is moved out through the filtering hole, the actual replacement operation is simple, the first cylinder and the second cylinder can be opened for replacement by pulling separation, and the use effect is good.

2. According to the invention, the installation mechanism and the drying mechanism are additionally arranged in the second pipe, the drying mechanism corresponds to the filter holes of the filter plate one by one, in the process of blocking the filter plate, the sleeve plate is pulled and the installation mechanism is driven to move, so that the drying mechanism arranged on the top surface of the installation mechanism is sleeved in the filter holes of the filter plate, and the extrusion of blocking matters in the filter holes is realized, thereby greatly improving the convenience of actually cleaning the filter plate.

3. According to the invention, the side groove is formed in the outer side surface of the second pipe, the fixing mechanism is additionally arranged in the side groove, the movable frame of the fixing mechanism is fixedly connected with the sleeve plate, so that the sleeve plate and the mounting mechanism are driven to move when the fixing mechanism is pulled, the inner hole of the movable frame is connected with the circular plate through the second spring, the clamping block on the fixing mechanism is sleeved in the through hole of the suction hose when the suction hose is sleeved, the suction hose is pulled by external force, the fixing mechanism is driven to move, the tension of the first spring is pulled, and the limit of the filter plate is matched, so that the sleeved suction hose has a very reliable limit effect, the sleeved suction hose cannot slip from the second pipe, the stability after the sleeve connection is improved, the air leakage caused by the slip is greatly reduced, and the use effect is good.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is an exploded view of the invention between the shroud and the filter plate;

FIG. 5 is an exploded view of the mounting mechanism of the present invention;

FIG. 6 is an exploded view of the drying mechanism of the present invention;

FIG. 7 is an exploded view of the present invention between the second tube and the securing mechanism;

fig. 8 is an exploded view of the securing mechanism of the present invention.

In the figure: 1. a pump body; 2. a first pipe; 3. a second pipe; 4. an air outlet valve; 5. an air suction valve; 6. a fixing frame; 7. a first spring; 8. a mounting mechanism; 81. a mounting ring; 82. a connecting block; 83. a mounting hole; 84. a magnetic plate; 9. a drying mechanism; 91. a first horn; 92. a second cylinder; 93. an elastic rope; 94. a ring groove; 95. a ventilation layer; 10. a sleeve plate; 11. a filter plate; 12. a filter hole; 13. trepanning; 14. a side groove; 15. a fixing mechanism; 151. a movable frame; 152. an inner bore; 153. a fixing ring; 154. a second spring; 155. a circular plate; 156. a fixing plate; 157. an operation lever; 158. a bottom plate; 159. a clamping block; 16. a suction hose; 17. a through hole; 18. and (5) air holes.

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.

As shown in fig. 1 to 8, in the embodiment of the invention, a miniature suction pipe type air pump comprises a pump body 1, wherein the end surface of the pump body 1 is fixedly communicated with a second pipe 3, an air suction valve 5 is arranged in the second pipe 3, the inner surface of the second pipe 3 is fixedly connected with a fixing frame 6, the top surface of the fixing frame 6 is fixedly connected with a first spring 7, the top surface of the first spring 7 is fixedly connected with a mounting mechanism 8, the top surface of the mounting mechanism 8 is movably provided with a drying mechanism 9, the top surface of the mounting mechanism 8 is fixedly connected with a sleeve plate 10, the inner surface of the second pipe 3 is fixedly sleeved with a filter plate 11, the outer surface of the second pipe 3 is movably sleeved with a suction hose 16, the outer surface of the suction hose 16 is provided with a through hole 17, the outer surface of the second pipe 3 is provided with a side groove 14, the inner surface of the side groove 14 is movably provided with a fixing mechanism 15, and the fixing mechanism 15 is fixedly connected with the sleeve plate 10.

First embodiment: as shown in fig. 1, 2, 3, 4, 5 and 6, when the second tube 3 is sucked, the sucked mixed humid gas enters the interior of the second tube 3, impurities in the gas are filtered in the filtering holes 12 of the filtering plate 11, the humid mixed gas enters the outer side of the drying mechanism 9 through the filtering plate 11, moisture in the mixed air is sucked into the interior through the air permeable layer 95 and is adsorbed with the drying agent in the interior, the filtered and dried air enters the interior of the pump body 1 through pushing the suction valve 5 and is blown out through the air outlet valve 4, when the drying agent in the drying mechanism 9 needs to be replaced, the fixing mechanism 15 is pulled outwards, so that the fixing mechanism 15 drives the sleeve plate 10 to move, the sleeve plate 10 pulls the installation mechanism 8 to move outwards, the drying mechanism 9 installed at the side surface of the installation mechanism 8 penetrates through the filter hole 12, the drying mechanism 9 is taken out from the inlet of the end surface of the second pipe 3, the first cylinder 91 and the second cylinder 92 of the drying mechanism 9 are pulled outwards, the elastic rope 93 is stretched, the inside drying agent is poured out, new drying agent is put into the first cylinder 91 and the second cylinder 92, the first cylinder 91 and the second cylinder 92 are closed, the drying mechanism 9 is sleeved into the installation hole 83 of the installation mechanism 8 along the filter hole 12 of the filter plate 11, the first cylinder 91 is fixedly adsorbed with the magnetic plate 84 in the installation hole 83, and the fixing mechanism 15 is loosened, so that the first spring 7 drives the installation mechanism 8 to reset; when the filter material in the filter holes 12 on the filter plate 11 needs to be cleaned, the fixing mechanism 15 is pulled outwards, so that the sleeve plate 10 is driven to pull the mounting mechanism 8 to move, and along with the stretching of the first spring 7, the drying mechanism 9 is sleeved in the filter holes 12 and extrudes the blockage material, so that the cleaning of the blockage impurity is realized.

Firstly, through add mount 6 in No. two pipes 3, and make the first spring 7 and the installation mechanism 8 fixed connection on mount 6 top, and offer mounting hole 83 at the top surface of installation mechanism 8, utilize the magnetic plate 84 in mounting hole 83 to adsorb the drying mechanism 9 that cup joints in mounting hole 83 fixedly, and utilize elastic cord 93 to connect first horn 91 and No. two barrels 92 of drying mechanism 9, make the drier deposit in first horn 91 and No. two barrels 92, and cooperate ventilation layer 95 in drying mechanism 9, when making the air pump suck the moisture in the air, moisture in the air is inhaled in No. two pipes 3 through ventilation layer 95, greatly reduced the humidity of inhaling the air, avoid the moisture in the air to flow to suction valve 5 and air outlet valve 4 department, avoid oxidation and make suction valve 5 and air outlet valve 4 trouble inefficacy, improve the air pump life, and when changing the drier, pulling fixed establishment 15 and make the outside removal of drying mechanism 9 pass through filtration hole 12, and change the actual operation is simple, pulling first horn 91 and No. two barrels 92 separate the operation is easy to open, can be changed easily.

In addition, through add installation mechanism 8 and drying mechanism 9 in No. two pipes 3, and make drying mechanism 9 and filter hole 12 one-to-one of filter 11, in the filter 11 appears blockking up the in-process, through pulling sleeve board 10 and drive installation mechanism 8 removal, make the drying mechanism 9 of installing on installation mechanism 8 top surface embolia in the filter hole 12 of filter 11, realize the extrusion of plug in the filter hole 12, thereby the convenience of actually clearing up the filter has been improved greatly, the cooperation is with the suction hose 16 that No. 3 cup jointed, and make suction hose 16 and fixed establishment 15 be connected, make in-process of connecting suction hose 16, drive fixed establishment 15 through pulling suction hose 16 and remove, thereby realize the removal of sleeve board 10, realize that drying mechanism 9 extrudes the impurity in the filter hole 12, guarantee that suction hose 16 is installed after and when put into use, still can realize the clearance of plug through pulling suction hose 16, excellent in use effect.

Wherein, the installation mechanism 8 includes collar 81, connecting block 82, mounting hole 83 and magnetic plate 84, and the mounting hole 83 is seted up on the top surface of collar 81, and magnetic plate 84 is fixed to be cup jointed in the inside of mounting hole 83, and the quantity of collar 81 is three, and three collar 81 pass through connecting block 82 fixed connection.

Wherein, the quantity of mounting hole 83 is the same with the quantity of drying mechanism 9, and the internal surface of mounting hole 83 cup joints with the activity of drying mechanism 9, has the clearance of equidimension between the three collar 81, through guaranteeing to have sufficient clearance between the collar 81, avoids blocking up No. two pipe 3, guarantees the stability of gaseous inhalation, realizes the absorption of cup jointing a horn 91 in mounting hole 83 fixedly through utilizing the magnetism of magnetic plate 84, and convenient to detach changes the drier under the magnetism absorption.

Wherein, drying mechanism 9 includes a horn 91, two horns 92, elastic cord 93, annular 94 and ventilative layer 95, connects through elastic cord 93 between a horn 91 and the two horns 92, and annular 94 is offered on the surface of a horn 91 and two horns 92, ventilative layer 95 fixed connection in the inside of annular 94, ventilative layer 95 allows the moisture in the air to get into to the inside drier of cooperation realizes the drying of air, avoids suction valve 5 and air outlet valve 4 transitional oxidation.

Wherein, filter hole 12 and trepanning 13 have been seted up respectively to the side of filter 11, the internal surface of trepanning 13 cup joints with the activity of trepanning 10, the quantity of filter hole 12 is the same with the quantity of drying mechanism 9, filter hole 12 and drying mechanism 9 one-to-one, through making filter hole 12 and drying mechanism 9 one-to-one for every filter hole 12 all can receive extrusion clearance, and guarantee that every group drying mechanism 9 all can shift out, elastic cord 93 has the trend of shrink under a horn 91 and a horn 92 contact condition, guarantee to take up fixedly with a horn 91 and a horn 92 steadily.

Wherein, the shape size of a horn 91 is the same with the shape size of a horn 92, and the diameter of a horn 91 is less than the internal diameter of filtration pore 12 with a horn 92, and the length of a horn 91 is greater than the thickness of filter 11 with a horn 92, guarantees that a horn 91 and a horn 92 all can pass filtration pore 12, and the setting of cooperation length for when drying mechanism 9 slipped out from filtration pore 12, had sufficient area to hold, conveniently realized taking out of drying mechanism 9.

Wherein, fixed establishment 15 includes movable frame 151, hole 152, solid fixed ring 153, no. two springs 154, plectane 155, fixed plate 156, action bars 157, bottom plate 158 and fixture block 159, and the surface of movable frame 151 cup joints with side tank 14 activity, and the medial surface and the sleeve board 10 fixed connection of movable frame 151, the side of movable frame 151 cup joints with plectane 155 activity, and the outer terminal surface and the fixed plate 156 fixed connection of plectane 155, action bars 157 fixed connection are on the side of fixed plate 156, and the outer end of action bars 157 is located the outside of side tank 14, fixed plate 156 and movable frame 151 all are located the inside of side tank 14.

Wherein, the upper end and the bottom plate 158 fixed connection of fixed plate 156, fixture block 159 fixed connection is on the side of bottom plate 158, and the diameter of fixture block 159 is less than the internal diameter of through-hole 17, through utilizing fixture block 159 to cup joint in through-hole 17, realizes being connected with suction hose 16 for when pulling suction hose 16, can realize the pulling of fixed establishment 15.

Wherein, the inner hole 152 is opened on the side of the movable frame 151, the fixed ring 156 is fixedly connected on the side of the movable frame 151 and is communicated with the inner hole 152, the second spring 154 is fixedly connected in the inner hole 152, the inner end surface of the circular plate 155 is sleeved in the inner hole 152 and is fixedly connected with the second spring 154, the circular plate 155 can move to the inner hole 152 by utilizing the elasticity of the second spring 154, and automatic reset can be realized after the operating rod 157 is loosened.

Wherein, the side of the pump body 1 is fixedly communicated with a first pipe 2, an air hole 18 is formed on the outer surface of the pump body 1, the air hole 18 is communicated with the first pipe 2, an air outlet valve 4 is arranged in the air hole 18, the air suction valve 5 and the air outlet valve 4 are all existing mechanisms by utilizing the air outlet valve 4 to realize the pumping of sucked air.

Second embodiment: as shown in fig. 1, 2, 3, 7 and 8, when the suction hose 16 is sleeved, as the suction hose 16 is sleeved on the outer surface of the No. two pipe 3, the operating lever 157 of the fixing mechanism 15 is pressed, so that the operating lever 157 drives the fixing plate 156 to slide towards the inside of the side groove 14, and simultaneously, the circular plate 155 on the side surface of the fixing plate 156 is made to compress the No. two spring 154 along the inner hole 152, and further, the bottom plate 158 on the top end of the fixing plate 156 is driven to move and press into the inside of the side groove 14, so that the clamping block 159 on the outer side surface of the bottom plate 158 moves from the outer side of the side groove 14 to the inside of the side groove 14, the suction hose 16 is continuously pushed to be sleeved, the through hole 17 on the suction hose 16 slides down along the position of the side groove 14, and when the through hole 17 is aligned with the clamping block 159, the operating lever 157 is released, as the through hole 159 is reset of the No. two spring 154, the circular plate 155 is driven to slide along the through hole 17 of the suction hose 16, and when the suction hose 16 is pulled outwards, the connecting sleeve plate 10 is driven to slide the mounting mechanism 8, as the clamping block 159 is pulled, and the suction hose 11 is pulled and stopped.

Firstly, a side groove 14 is formed in the outer side surface of the second pipe 3, a fixing mechanism 15 is additionally arranged in the side groove 14, a movable frame 151 of the fixing mechanism 15 is fixedly connected with a sleeve plate 10, the sleeve plate 10 and an installation mechanism 8 are driven to move when the fixing mechanism 15 is pulled, a circular plate 155 is connected with an inner hole 152 of the movable frame 151 through a second spring 154, a clamping block 159 on the fixing mechanism 15 is sleeved in a through hole 17 of the suction hose 16 when the suction hose 16 is sleeved, under the condition that the suction hose 16 is pulled by external force, the fixing mechanism 15 is driven to move, the stretching of the first spring 7 is pulled, and the limit of the filter plate 11 is matched, so that the sleeved suction hose 16 has a very reliable limit effect, the sleeved suction hose 16 cannot slip from the second pipe 3, the stability after the sleeve joint is improved, the condition of air leakage caused by the slip is greatly reduced, and the use effect is good.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a miniature suction tube type air pump, includes the pump body (1), its characterized in that: the utility model discloses a magnetic pump, including pump body (1), pump body, filter, mounting plate, magnetic connection board, mounting plate (8), mounting plate (10) are fixedly connected with to the terminal surface of pump body (1), the inside of No. two pipe (3) is equipped with suction valve (5), the internal surface fixedly connected with mount (6) of No. two pipe (3), the top surface fixedly connected with spring (7) of No. one of mount (6), the top surface fixedly connected with mounting plate (8) of spring (7), the top surface movable mounting of mounting plate (8) has drying mechanism (9), the top surface fixedly connected with jacket plate (10) of mounting plate (8), the internal surface fixed cup joint of No. two pipe (3) has filter board (11), the surface activity of No. two pipe (3) has cup jointed suction hose (16), through-hole (17) have been seted up to the surface of suction hose (16), lateral groove (14) have been seted up to the surface of No. two pipe (3), the internal surface movable mounting plate (15) of lateral groove (14), fixed mechanism (15) and jacket plate (10) are fixedly connected, mounting plate (8) include mounting ring (82), mounting plate (83) and mounting plate (83) are cup jointed at the top surface (81) of magnetic connection board (81), the number of the mounting rings (81) is three, the three mounting rings (81) are fixedly connected through connecting blocks (82), the number of the mounting holes (83) is the same as the number of the drying mechanisms (9), the inner surfaces of the mounting holes (83) are movably sleeved with the drying mechanisms (9), gaps with the same size are reserved between the three mounting rings (81), the fixing mechanisms (15) comprise a movable frame (151), an inner hole (152), a fixing ring (153), a second spring (154), a circular plate (155), a fixing plate (156), an operating rod (157), a bottom plate (158) and a clamping block (159), the outer surface of the movable frame (151) is movably sleeved with a side groove (14), the inner side surface of the movable frame (151) is fixedly connected with a sleeve plate (10), the outer end surface of the circular plate (155) is fixedly connected with a fixing plate (156), the operating rod (157) is fixedly connected to the side surface of the fixing plate (156), the upper end of the fixing plate (156) is fixedly connected with the inner hole (158) of the bottom plate (158) on the side surface of the bottom plate (158), the diameter of the clamping block (159) is smaller than the diameter of the bottom plate (158), the fixed plate (156) is fixedly connected to the side face of the movable frame (151) and is communicated with the inner hole (152), the second spring (154) is fixedly connected to the inner hole (152), and the inner end face of the circular plate (155) is sleeved in the inner hole (152) and is fixedly connected with the second spring (154).

2. A miniature bellows air pump according to claim 1, wherein: the drying mechanism (9) comprises a first horn (91), a second horn (92), an elastic rope (93), a ring groove (94) and a ventilation layer (95), wherein the first horn (91) and the second horn (92) are connected through the elastic rope (93), the ring groove (94) is formed in the outer surfaces of the first horn (91) and the second horn (92), and the ventilation layer (95) is fixedly connected inside the ring groove (94).

3. A miniature bellows air pump according to claim 1, wherein: the side of filter (11) has seted up filtration pore (12) and trepanning (13) respectively, the internal surface of trepanning (13) cup joints with trepanning (10) activity, the quantity of filtration pore (12) is the same with the quantity of drying mechanism (9), filtration pore (12) and drying mechanism (9) one-to-one.

4. A miniature bellows air pump according to claim 2, wherein: the shape size of a horn (91) is the same with that of a horn (92), the diameters of the horn (91) and the horn (92) are smaller than the inner diameter of a filtering hole (12), and the lengths of the horn (91) and the horn (92) are larger than the thickness of a filtering plate (11).

5. A miniature bellows air pump according to claim 1, wherein: the side of the pump body (1) is fixedly communicated with a first pipe (2), an air hole (18) is formed in the outer surface of the pump body (1), the air hole (18) is communicated with the first pipe (2), and an air outlet valve (4) is arranged in the air hole (18).