CN218934664U

CN218934664U - Air pump inflating assembly for bionic midwifery instrument

Info

Publication number: CN218934664U
Application number: CN202223184183.6U
Authority: CN
Inventors: 宋萍
Original assignee: Zibo Wisdom Precision Instrument Co ltd
Current assignee: Zibo Wisdom Precision Instrument Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-28
Anticipated expiration: 2032-11-30

Abstract

The utility model relates to the technical field of bionic midwifery instruments, in particular to an air pump inflating component for a bionic midwifery instrument, which comprises an air pump, wherein an air outlet of the air pump is connected with a first air hose, one end of the first air hose is in close fit connection with a first one-way valve, one end of the first one-way valve is in close fit connection with a three-way pipe, one end of the three-way pipe is connected with an inflating cylinder body through a valve mechanism, and a piston is arranged in the inflating cylinder body in a matched mode. This scheme is through setting up inflator pump, piston, movable sealing mechanism and piston rod, and the staff drives the piston through operating the piston rod and remove in the inflator pump, and movable sealing mechanism adjusts the leakproofness between sealing washer and the air vent according to the direction of movement of piston, conveniently promotes the three-way pipe with the compression of gas through the piston in, and then makes things convenient for gas to carry to the gasbag through the three-way pipe in, and then conveniently can carry out the operation of aerifing through the mode of manual operation when the air pump can not work.

Description

Air pump inflating assembly for bionic midwifery instrument

Technical Field

The utility model relates to the technical field of bionic midwifery instruments, in particular to an air pump inflation assembly for a bionic midwifery instrument.

Background

In the prior art, the disclosed inflatable bionic midwifery instrument with the patent number of CN201521080729.0 adopts an air pump to supply air to the air bag, and the air pump is inflated in a manner faster than a manual inflation manner, but has higher dependence on energy, and under the condition that no energy is available, the air pump cannot work, so that the air bag cannot be expanded in air pressure, and an existing manual inflatable air bag operator can press and inflate in a reciprocating manner, so that the operation is more laborious.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides an air pump inflation assembly for a bionic midwifery instrument.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a bionical midwifery is air pump subassembly for appearance, includes the air pump, the gas outlet of air pump is connected with first air hose, the one end close-fitting of first air hose is connected with first check valve, the one end close-fitting of first check valve is connected with the three-way pipe, the one end of three-way pipe is connected with the cylinder of aerifing through valve mechanism, the inside matching of aerifing the cylinder is equipped with the piston, the surface of piston and the internal surface sliding contact of aerifing the cylinder, a plurality of gas pockets have been seted up to the side of piston, the side of piston is equipped with the movable sealing mechanism that corresponds with a plurality of gas pockets position, a plurality of piston rods are installed through the screw to the side of piston, a plurality of the one end opening of aerifing the cylinder is passed to its one side to the one end of piston rod is connected with the mounting panel through the screw between a plurality of piston rods, the mounting panel is connected with the connecting rod through the hinge, one side of mounting panel is equipped with the plectane, along the side circular arc side of plectane side installs the round pin axle through the screw, the one end movable sleeve of connecting rod is established at the surface of round pin axle, the side of plectane is equipped with movable supporting mechanism.

Preferably, the valve mechanism comprises a second one-way valve, one end of the second one-way valve is tightly arranged at one end of the three-way pipe, the other end of the second one-way valve is tightly connected with a second input hose, and one end of the second input hose is tightly connected with the air outlet end of the inflatable cylinder.

Preferably, the movable sealing mechanism comprises a movable rod, one end of the movable rod penetrates through the side face of the piston and extends to one side of the piston, a stop block is arranged at one end of the movable rod through a screw, a sealing gasket is adhered to the surface of the stop block, the surface of the sealing gasket is in contact with the side face of the piston, the sealing gasket corresponds to the positions of a plurality of air holes, a baffle is arranged at the other end of the movable rod through a screw, a second compression spring is movably sleeved on the surface of the movable rod, and two ends of the second compression spring are respectively arranged on the surfaces of the baffle and the piston through screws.

Preferably, the limiting plate is installed through the screw in one end opening part of the inflatable cylinder, the limiting plate is sleeved on the surfaces of the plurality of piston rods, the surfaces of the piston rods slide along the inner wall of the limiting plate, the air inlets are formed in the side surfaces of the limiting plate, the surfaces of the plurality of piston rods are movably sleeved with first compression springs, and the two ends of each first compression spring are respectively installed on the side surfaces of the limiting plate and the mounting plate through the screw.

Preferably, the movable supporting mechanism comprises a bearing, the bearing is installed on the side face of the circular plate in a penetrating mode, the bearing and the circular plate are arranged in a coaxial line mode, the inner ring of the bearing is in tight fit connection with a fixed shaft, and one end of the fixed shaft is provided with a supporting seat through a screw.

Preferably, a plurality of mounting seats are arranged at the bottom of the inflatable cylinder body through screws, at least two mounting seats are arranged, and the mounting seats are symmetrically arranged.

Compared with the prior art, the utility model has the following beneficial effects:

according to the scheme, the inflator pump, the piston, the movable sealing mechanism and the piston rod are arranged, a worker drives the piston to move in the inflator pump by operating the piston rod, the movable sealing mechanism adjusts the tightness between the sealing gasket and the air hole according to the moving direction of the piston, so that gas is conveniently pushed into the three-way pipe through compression of the piston, and is conveniently conveyed into the air bag through the three-way pipe, and further, when the air pump cannot work, the air pump can be conveniently inflated in a manual operation mode;

this scheme is through setting up connecting rod and plectane, and the plectane drives the connecting rod and advances to swing in the circular arc direction when rotatory, and the connecting rod drives the piston rod synchronous movement simultaneously, for pressing the comparatively laborious mode of inflation, the convenience of operation has been promoted to the mode of rotating the plectane.

Drawings

FIG. 1 is an isometric view of an air pump inflation assembly for a bionic midwifery apparatus of the present utility model;

FIG. 2 is a connection diagram of a circular plate and an inflator of the air pump inflation assembly for the bionic midwifery instrument;

FIG. 3 is a schematic view of the connection structure of the mounting plate, the piston rod and the first compression spring of the air pump inflation assembly for the bionic midwifery instrument;

FIG. 4 is a schematic diagram of the connection structure of the inflatable cylinder and the piston of the air pump inflatable assembly for the bionic midwifery instrument;

fig. 5 is a schematic diagram of a connection structure between a piston and a movable sealing mechanism of an air pump inflating assembly for a bionic midwifery instrument.

In the figure: the air pump 1, a first air delivery hose 2, a first one-way valve 3, a three-way pipe 4, a second one-way valve 5, a second input hose 6, an inflatable cylinder 7, a first compression spring 8, a mounting plate 9, a connecting rod 10, a circular plate 11, a supporting seat 12, a mounting seat 13, a bearing 14, a fixed shaft 15, a piston rod 16, an air inlet 17, a limiting plate 18, a piston 19, a stop block 20, an air hole 21, a movable rod 22, a second compression spring 23, a stop block 24 and a sealing gasket 25.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

The air pump inflating component for the bionic midwifery instrument shown in the figures 1-5 comprises an air pump 1, an air outlet of the air pump 1 is connected with a first air conveying hose 2, one end of the first air conveying hose 2 is connected with a first one-way valve 3 in a tight fit manner, one end of the first one-way valve 3 is connected with a three-way pipe 4 in a tight fit manner, one end of the three-way pipe 4 is connected with an inflating cylinder 7 through a valve mechanism, the valve mechanism comprises a second one-way valve 5, one end of the second one-way valve 5 is arranged at one end of the three-way pipe 4 in a tight fit manner, the other end of the second one-way valve 5 is connected with a second input hose 6 in a tight fit manner, and one end of the second input hose 6 is connected with an air outlet end of the inflating cylinder 7 in a tight fit manner; when the air pump 1 works and inflates, the first one-way valve 3 is opened, the second one-way valve 5 is closed, and the other end of the three-way pipe 4 is connected with a handle with an air bag through a soft air pipe, so that the air pump 1 can inflate the air bag conveniently; when the three-way valve is inflated manually, the second one-way valve 5 is opened, the first one-way valve 3 is closed, and gas for facilitating manual inflation is flushed into the air bag through the other end of the three-way pipe 4.

The inside of the inflatable cylinder 7 is provided with a piston 19 in a matching way, the surface of the piston 19 is in sliding contact with the inner surface of the inflatable cylinder 7, the side surface of the piston 19 is provided with a plurality of air holes 21, the side surface of the piston 19 is provided with a movable sealing mechanism corresponding to the positions of the plurality of air holes 21, the movable sealing mechanism comprises a movable rod 22, one end of the movable rod 22 penetrates through the side surface of the piston 19 and extends to one side of the piston, one end of the movable rod 22 is provided with a stop block 20 through a screw, the surface of the stop block 20 is adhered with a sealing gasket 25, the surface of the sealing gasket 25 is contacted with the side surface of the piston 19, the sealing gasket 25 corresponds to the positions of the plurality of air holes 21, the other end of the movable rod 22 is provided with a baffle 24 through a screw, the surface of the movable rod 22 is movably sleeved with a second compression spring 23, the two ends of the second compression spring 23 are respectively arranged on the surfaces of the baffle 24 and the piston 19 through screws, when manual inflation is performed, the piston rod 16 pushes the piston 19 to slide on the inner wall of the inflation cylinder 7, the piston 19 moves towards the air outlet end of the inflation cylinder 7, the baffle 24 is pushed by the second compression spring 23 through self elasticity along with the movement of the piston 19, the baffle 24 drives the movable rod 22 to slide in the piston 19, the movable rod 22 drives the stop block 20 to synchronously move, the stop block 20 drives the sealing gasket 25 to press on the side surface of the piston 19, and the sealing gasket 25 plays a role in sealing a plurality of air holes 21, so that the piston 19 is convenient to push the air of the inflation cylinder 7 into the air bag; when gas is flushed into the inflatable cylinder 7, only the piston rod 16 is required to be pulled, because the air pressure difference of the inner cavities of the inflatable cylinder 7 at the two sides of the piston 19 is different, when the piston rod 16 pulls the piston 19 to move reversely, the air pressure of the inner cavity of the inflatable cylinder 7 in the reverse moving direction of the piston 19 is larger than the air pressure of the inner cavity at the other side of the inflatable cylinder, so that the baffle 24 is pushed by the air pressure, the baffle 24 pushes the second compression spring 23 and the movable rod 22 to slide, the movable rod 22 is further convenient to push the baffle 20 to separate from the piston 19, and further, the external gas is convenient to flow into the inner cavity at the other side of the inflatable cylinder 7 along with the movement of the piston 19, when the movement limit of the piston 19 is reached, the piston rod 16 is stopped to be pushed again, the gas in the inflatable cylinder 7 is conveniently flushed into the air bag again, and the manual inflation is completed after the reciprocating for a plurality of times.

The side of the piston 19 is provided with a plurality of piston rods 16 through screws, one ends of the plurality of piston rods 16 penetrate through one end opening of the inflatable cylinder 7 and extend to one side of the inflatable cylinder, a mounting plate 9 is arranged between one ends of the plurality of piston rods 16 through screws, the mounting plate 9 is connected with a connecting rod 10 through a hinge, one side of the mounting plate 9 is provided with a circular plate 11, a pin shaft is arranged along the side arc side of the circular plate 11 through screws, one end of the connecting rod 10 is movably sleeved on the surface of the pin shaft, and the side of the circular plate 11 is provided with a movable supporting mechanism; the movable supporting mechanism comprises a bearing 14, the bearing 14 is arranged on the side surface of the circular plate 11 in a penetrating way, the bearing 14 and the circular plate 11 are arranged on the same axis, the inner ring of the bearing 14 is closely connected with a fixed shaft 15 in a plugging way, and one end of the fixed shaft 15 is provided with a supporting seat 12 through a screw; the supporting seat 12 plays a supporting role on the circular plate 11, the bearing 14 and the fixed shaft 15 are arranged, the circular plate 11 can rotate on the supporting seat 12, when the circular plate 11 is manually poked to rotate, the circular plate 11 drives the connecting rod 10 to synchronously move through the pin shaft, the connecting rod 10 synchronously swings on the mounting plate 9 through the hinge, when the circular plate 11 drives the connecting rod 10 to rotate to a semicircular track, the connecting rod 10 pulls the piston rod 16 through the mounting plate 9, the circular plate 11 drives the connecting rod 10 to push the piston rod 16 through the mounting plate 9 after rotating the semicircular track, the piston rod 16 is conveniently pushed by the connecting rod 10 to sequentially reciprocate, and the airbag is conveniently inflated in a reciprocating mode.

The limiting plate 18 is arranged at the opening of one end of the inflatable cylinder 7 through screws, the limiting plate 18 is sleeved on the surfaces of the plurality of piston rods 16, the surfaces of the piston rods 16 slide along the inner walls of the limiting plate 18, the side surfaces of the limiting plate 18 are provided with air inlets 17, the surfaces of the plurality of piston rods 16 are movably sleeved with the first compression springs 8, two ends of the first compression springs 8 are respectively arranged on the side surfaces of the limiting plate 18 and the mounting plate 9 through screws, and the arrangement of the limiting plate 18 can enable the plurality of piston rods 16 to slide in the inner walls of the piston rods 16, so that the stability of the piston rods 16 in moving is improved; the air inlet 17 can be used for allowing external air to flow into the inflatable cylinder 7; the setting of first compression spring 8, when mounting panel 9 promotes piston rod 16 and slides in limiting plate 18, mounting panel 9 promotes first compression spring 8, and length shortens behind the first compression spring 8 atress, and first compression spring 8 exerts reverse effort to mounting panel 9 simultaneously for slow down the velocity of movement of piston rod 16, and then make things convenient for dog 20 to drive sealed pad 25 and slowly leave from piston 19, avoid piston 19 velocity of movement too fast to lead to the condition transmission of dog 20 unable separation, further promoted gas transportation's stability.

The bottom of the inflatable cylinder 7 is provided with a plurality of mounting seats 13 through screws, the mounting seats 13 are at least provided with two, the mounting seats 13 are symmetrically arranged, the mounting seats 13 play a supporting role on the inflatable cylinder 7, and the stability of the position of the inflatable cylinder 7 is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bionic midwifery is air pump inflation component for appearance, including air pump (1), the gas outlet of air pump (1) is connected with first air hose (2), its characterized in that, the one end close-fitting of first air hose (2) is connected with first check valve (3), the one end close-fitting of first check valve (3) is connected with three-way pipe (4), the one end of three-way pipe (4) is connected with inflatable cylinder (7) through valve mechanism, the inside matching of inflatable cylinder (7) is equipped with piston (19), the surface of piston (19) and the internal surface sliding contact of inflatable cylinder (7), a plurality of gas pockets (21) have been seted up to the side of piston (19), the side of piston (19) is equipped with the movable sealing mechanism that corresponds with a plurality of gas pockets (21) position, the side of piston (19) is equipped with a plurality of piston rods (16) through the screw, a plurality of piston rods (16) one end pass the one end opening of inflatable cylinder (7) and extend to its one side, pass through valve mechanism between the one end of a plurality of piston rods (16) and be equipped with piston rod (9), install mounting panel (9) through pivot (11) the side of mounting panel (11) is equipped with through the pivot (9), one end of the connecting rod (10) is movably sleeved on the surface of the pin shaft, and a movable supporting mechanism is arranged on the side face of the circular plate (11).

2. The air pump inflation assembly for the bionic midwifery instrument according to claim 1, wherein the valve mechanism comprises a second one-way valve (5), one end of the second one-way valve (5) is tightly mounted at one end of the three-way pipe (4), the other end of the second one-way valve (5) is tightly connected with a second input hose (6), and one end of the second input hose (6) is tightly connected with an air outlet end of the inflation barrel (7).

3. The air pump inflation assembly for the bionic midwifery instrument according to claim 1, wherein the movable sealing mechanism comprises a movable rod (22), one end of the movable rod (22) penetrates through the side face of the piston (19) and extends to one side of the movable rod, a stop block (20) is arranged at one end of the movable rod (22) through a screw, a sealing gasket (25) is adhered to the surface of the stop block (20), the surface of the sealing gasket (25) is in contact with the side face of the piston (19), the sealing gasket (25) corresponds to the positions of the air holes (21), a baffle (24) is arranged at the other end of the movable rod (22) through the screw, a second compression spring (23) is movably sleeved on the surface of the movable rod (22), and two ends of the second compression spring (23) are respectively arranged on the surfaces of the baffle (24) and the piston (19) through the screw.

4. The air pump inflation assembly for the bionic midwifery instrument according to claim 1, wherein a limiting plate (18) is installed at an opening at one end of the inflation barrel (7) through a screw, the limiting plate (18) is sleeved on the surfaces of a plurality of piston rods (16), the surfaces of the piston rods (16) slide along the inner walls of the limiting plate (18), an air inlet (17) is formed in the side surface of the limiting plate (18), a plurality of first compression springs (8) are movably sleeved on the surfaces of the piston rods (16), and two ends of each first compression spring (8) are respectively installed on the side surfaces of the limiting plate (18) and the mounting plate (9) through screws.

5. The air pump inflation assembly for the bionic midwifery instrument according to claim 1, wherein the movable supporting mechanism comprises a bearing (14), the bearing (14) is installed on the side face of the circular plate (11) in a penetrating mode, the bearing (14) and the circular plate (11) are arranged in a coaxial line mode, the inner ring of the bearing (14) is tightly connected with a fixed shaft (15) in a plugging mode, and one end of the fixed shaft (15) is provided with a supporting seat (12) through a screw.

6. The air pump inflating assembly for the bionic midwifery instrument according to claim 1, wherein a plurality of mounting seats (13) are mounted at the bottom of the inflating cylinder (7) through screws, at least two mounting seats (13) are arranged, and the mounting seats (13) are symmetrically arranged.