CN112460099A - Pneumatic push rod with air pump and using method thereof - Google Patents

Pneumatic push rod with air pump and using method thereof Download PDF

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Publication number
CN112460099A
CN112460099A CN202011336456.7A CN202011336456A CN112460099A CN 112460099 A CN112460099 A CN 112460099A CN 202011336456 A CN202011336456 A CN 202011336456A CN 112460099 A CN112460099 A CN 112460099A
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CN
China
Prior art keywords
piston
air
push rod
air pump
pneumatic push
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Withdrawn
Application number
CN202011336456.7A
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Chinese (zh)
Inventor
袁海洋
游张平
张蕊华
叶晓平
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Lishui University
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Lishui University
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Priority to CN202011336456.7A priority Critical patent/CN112460099A/en
Publication of CN112460099A publication Critical patent/CN112460099A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/123—Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/149—Fluid interconnections, e.g. fluid connectors, passages
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18—Combined units comprising both motor and pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

A pneumatic push rod with an air pump and a using method thereof are disclosed, wherein a separation plate is fixedly connected to the middle part of the inner wall of the upper end of a shell of the pneumatic push rod, a sliding plate is fixedly connected to the lower end of the separation plate, the front end and the rear end of the sliding plate and the front end and the rear end of the separation plate are fixedly connected to the front end and the rear end of the inner wall of the shell of the pneumatic push rod, a piston cavity shell is arranged at the lower end of the sliding plate, piston cavity sealing rings are fixedly connected to the front upper surface and the rear lower surface of the piston cavity shell, the piston cavity sealing rings are slidably connected to the lower end of the sliding plate and the inner wall of the shell of the pneumatic push rod, the sliding plate and the separation plate separate the interior of the pneumatic push rod into a left cavity and a right, the left end of the small air pump is fixedly connected with an air guide rod, and the air guide rod penetrates through the shell of the pneumatic push rod and the right end of the shell of the piston cavity to enter the right piston cavity.

Description

Pneumatic push rod with air pump and using method thereof
Technical Field
The invention relates to the technical field of pneumatic push rods, in particular to a pneumatic push rod with an air pump and a using method thereof.
Background
The pneumatic push rod is a common mechanical part, a cylindrical metal machine part which guides a piston to perform linear reciprocating motion in a cylinder is used for generating pressure difference through expansion or compression of air in two side chambers of the pneumatic push rod and converting the pressure difference into mechanical energy; the gas is compressed by a piston in a pneumatic push rod of the compressor to increase the pressure.
At present, the main working principle of the piston type pneumatic push rod is that an air inlet and an air outlet are respectively connected to two ends of a piston, then an external large-scale air pump controls the two ends of the piston to enter or exit air to generate air pressure difference, the pneumatic push rod is pushed to move, the pneumatic push rod is common under the application of fixed automation equipment at the present stage and is commonly arranged in a factory assembly line, the pneumatic push rod at the present stage can not be used indoors, and the requirement of using under the field condition can also be met, and the piston type pneumatic push rod is single in functional structure.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a pneumatic push rod with an air pump, wherein a piston cavity shell is pushed to drive a piston rod to move by utilizing a traditional mode of externally connecting a large-scale air pump in a factory or indoor environment, and the piston rod is driven by a piston in a piston cavity by a small-sized air pump to move in a field environment.
The invention adopts the technical scheme for solving the technical problems that: the dual-purpose pneumatic push rod comprises a pneumatic push rod shell, a left air port, a right air port, a piston rod and a small air pump, wherein the left end and the right end of the upper end of the pneumatic push rod shell are respectively connected with the left air port and the right air port, the right end of the pneumatic push rod shell is fixedly connected with the small air pump, the middle part of the inner wall of the upper end of the pneumatic push rod shell is fixedly connected with a partition plate, the lower end of the partition plate is fixedly connected with a slide plate, the front end and the rear end of the slide plate and the front end and the rear end of the partition plate are fixedly connected with the front end and the rear end of the inner wall of the pneumatic push rod shell, the front end, the rear end, the upper surface and the lower surface of the piston cavity shell are fixedly connected with piston cavity sealing rings, the piston cavity sealing rings are slidably connected with the lower end of, the left end of the piston is fixedly connected with one end of a piston rod, the other end of the piston rod penetrates through the left end of a piston cavity shell and the left end of a pneumatic push rod shell, an air guide rod is fixedly connected with the left end of the small air pump, the air guide rod penetrates through the right ends of the pneumatic push rod shell and the piston cavity shell to enter a piston right cavity, an air pump port with the right end connected with the small air pump is arranged inside the air guide rod, the piston cavity shell is integrally used as a piston of an external high-power air pump when being used indoors, two air pump air ports of the external large air pump are respectively connected with a left air port and a right air port when the pneumatic push rod is used outdoors, the left air port and the right air port are disconnected with the external large air pump, the left cavity and the right cavity keep air pressure balance, the piston in the piston cavity pushes the piston cavity to move as the piston of the pneumatic push rod, and the air, the air guide rod can adapt to different environments to extend or shorten.
For further perfection, be equipped with the buffer board in the piston right side intracavity, both ends about the air guide rod are connected to buffer board fixed connection, the buffer board left end is equipped with the buffer board shell, buffer board shell left end fixedly connected with diving board, the air pump mouth passes buffer board shell and diving board, the air pump mouth is worn out the diving board and can be let small-size air pump freely aerify or bleed piston right side chamber, diving board, buffer board and spring prevent the excessive striking of piston when playing the piston and drawing to the right-hand member.
Further perfect, fixed connection elasticity sponge around the left intracavity wall of piston, the left intracavity left end of piston is connected with the sponge gas port, elasticity sponge has the automatic inflation function, the automatic inflation sponge in the preferred outdoor automatic inflation air cushion, the sponge gas port is connected with elasticity sponge, and the gas port is opened and just can be aerifyd for elasticity sponge, elasticity sponge receives the extrusion to deflate through the sponge gas port.
The piston sealing ring is fixedly connected to the periphery of the piston, the piston sealing ring is connected to the periphery of the inner wall of the piston cavity shell in a sealing and sliding mode, the piston sealing ring on the periphery of the piston and the inner wall of the piston cavity can keep good tightness, meanwhile, the piston sealing ring can flexibly slide in the inner wall, and normal use of the piston is kept.
Further perfect, piston chamber shell left end inner wall fixedly connected with buffering diving board, the piston rod passes and sliding connection buffering diving board, buffering diving board can prevent that piston chamber shell from excessively striking pneumatic push rod shell when removing left, prevents simultaneously that the sponge gas port from receiving the extrusion collision.
Further perfection, piston chamber shell left end fixedly connected with second prevents dust and fills in, the inboard fixedly connected with second guide ring of second prevents dust and fills in, the inboard and piston rod sliding connection of second guide ring, the effect of second prevents dust and prevents that sand and dust from getting into the piston cavity inside and influencing piston body performance, the second guide ring is for wearing out piston cavity's piston rod direction, fixed effect, makes the piston rod at piston cavity left end lateral sliding axial fixity.
Further perfect, the first dustproof stopper of pneumatic push rod shell left end fixedly connected with, the first leading collar of the inboard fixedly connected with of first dustproof stopper, the inboard and piston rod sliding connection of first leading collar, the effect of first dustproof stopper prevents that sand and dust from getting into the inside piston chamber shell performance that influences of pneumatic push rod shell, first leading collar is for wearing out piston rod direction, the fixed effect of pneumatic push rod shell, makes the piston rod at the lateral sliding axial fixity of pneumatic push rod shell left end.
Further perfecting, a use method of the pneumatic push rod with the air pump, when the piston rod needs to push fast and high frequency in a reciprocating way and an external large air pump is used, the use steps of the pneumatic push rod with the left and right air ports externally connected with the large air pump are as follows:
1) screwing the thread parts of the left air port and the right air port and the thread part of the air port of the large air pump in a rotating manner, and then ventilating the large air pump in an attempt, wherein the connection is finished when no obvious air leakage exists at the joint of the air ports;
2) the right air port is used for ventilating, when the left air port exhausts air, the air pressure of the left cavity is reduced, the air pressure of the right cavity is increased, and the piston cavity shell pushes out the piston rod to move leftwards integrally;
3) when the left air port is ventilated, the air pressure of the right cavity is reduced and the air pressure of the left cavity is increased when the right air port is ventilated, and the piston cavity shell pulls back the piston rod to move rightwards integrally;
when the reciprocating frequency and the speed of the piston rod are required to be controlled relatively accurately, the pneumatic push rod with the air pump is used, and the pneumatic push rod with the air pump has the following use steps:
1) the left air port and the right air port are disconnected with an external air pump and keep ventilation with the outside, the pneumatic push rod works by depending on the operation of a small air pump, the sponge air ports normally inflate elastic sponge, and the elastic sponge expands to keep the balance of the piston;
2) when the small air pump inflates the right cavity of the piston, the air pressure of the right cavity of the piston is increased, the piston pushes leftwards and extrudes the elastic sponge to force the air port of the sponge to spit air outwards, the piston drives the piston rod to push leftwards, and the elastic sponge plays a role in buffering the piston while controlling the air pressure balance;
3) when the air pressure of the right piston cavity is reduced to 0-0.5 atmospheric pressure, the piston moves to the right end and is buffered by the piston under the action of the elastic sponge and the buffer plate.
Further perfection, the elastic sponge is any one or more of thermoplastic vulcanized rubber or polyvinyl chloride.
The invention has the beneficial effects that: the invention provides a dual-purpose pneumatic push rod, which can be used indoors and in factories and can also be used by a small air pump outdoors under the condition of keeping a left air port and a right air port to ventilate;
firstly, a high-power air pump is externally connected when the air pump is used indoors, an air port of the air pump is respectively connected with a left air port and a right air port, a piston cavity is taken as a piston body at the moment, air pressure difference between a left cavity and a right cavity is controlled by air entering from the left air port and air exiting from the right air port or air entering from the right air port and air exiting from the left air port, and the piston cavity moves left and right on a sliding plate to push;
when the air pump is used in the field, the left air port and the right air port are kept ventilated, the piston rod is pushed by the piston in the piston cavity, the small air pump inflates the right piston cavity, the air pressure of the right piston cavity is increased to push the piston and the piston rod to the left, and when the small air pump exhausts the air from the right piston cavity, the air pressure of the right piston cavity is reduced, and the piston drives the piston rod to move to the right;
the invention has the advantages that the pneumatic push rod can ensure that a high-power air pump is externally connected indoors or in a factory, simultaneously, the basic functions of the air pump which can be used for air suction and inflation through low power can be met when the pneumatic push rod is placed outdoors for use, the air pump function is realized by a mode that the external high-power air pump is used for inflating or deflating the left and right chambers to push the piston chamber to move when the pneumatic push rod is placed indoors or in the factory, the air pump function is realized by a mode that the air pump for air suction or inflation through low power controls the air pressure of the right chamber of the piston to move the piston under the condition that no high-power supply exists outdoors, and.
Drawings
FIG. 1 is a schematic front view of a dual-purpose pneumatic ram of the present invention;
FIG. 2 is a schematic left side view of the dual-purpose pneumatic ram of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention.
Description of reference numerals: 1. pneumatic push rod shell, 2, left gas port, 3, right gas port, 4, piston rod, 5, piston chamber shell, 6, small air pump, 7, left chamber, 8, right chamber, 9, slide plate, 10, partition plate, 11, sponge gas port, 12, piston chamber sealing ring, 13, piston left chamber, 131, elastic sponge, 14, piston, 141, piston sealing ring, 15, piston right chamber, 16, buffer plate, 161, spring, 162, buffer plate shell, 163, air pump port, 164, springboard, 17, air guide rod, 18, first dust plug, 19, first guide ring, 20, second guide ring, 21, second dust plug, 22, buffer springboard.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
with reference to the accompanying drawings: the pneumatic push rod with the air pump in the embodiment comprises a pneumatic push rod shell 1, a left air port 2, a right air port 3, a piston rod 4 and a small air pump 6, wherein the left end and the right end of the upper end of the pneumatic push rod shell 1 are respectively connected with the left air port 2 and the right air port 3, the right end of the pneumatic push rod shell 1 is fixedly connected with the small air pump 6, the middle part of the inner wall of the upper end of the pneumatic push rod shell 1 is fixedly connected with a partition plate 10, the lower end of the partition plate 10 is fixedly connected with a sliding plate 9, the front end and the rear end of the sliding plate 9 and the front end and the rear end of the partition plate 10 are fixedly connected with the front end and the rear end of the inner wall of the pneumatic push rod shell 1, the lower end of the sliding plate 9 is provided with a piston cavity shell 5, the front end, the rear end, the, the inner wall of the piston cavity shell 5 is hermetically connected with a piston 14, the left end and the right end of the piston cavity shell 5 are divided into a piston left cavity 13 and a piston right cavity 15 by the piston 14, the left end of the piston 14 is fixedly connected with one end of a piston rod 4, the other end of the piston rod 4 penetrates through the left end of the piston cavity shell 5 and the left end of a pneumatic push rod shell 1, the left end of the small air pump 6 is fixedly connected with an air guide rod 17, the air guide rod 17 penetrates through the pneumatic push rod shell 1 and the right end of the piston cavity shell 5 to enter the piston right cavity 15, an air pump port 163 with the right end connected with the small air pump 6 is arranged in the air guide rod 17, the left cavity 7 and the right cavity 8 are hermetically separated by the piston cavity shell 5, openings are arranged at the left end and the right end of the slide 9 to ensure that air in the left air port 2 can be introduced into the left cavity 7, air in the right, the piston cavity shell 5 can slide left and right between the sliding plate 9 and the pneumatic push rod shell 1, and the piston 14 can slide left and right in the inner wall of the piston cavity shell 5.
The air pump structure is characterized in that a buffer plate 16 is arranged in the piston right cavity 15, the buffer plate 16 is fixedly connected to the upper end and the lower end of an air guide rod 17, a buffer plate shell 162 is arranged at the left end of the buffer plate 16, an elastic plate 164 is fixedly connected to the left end of the buffer plate shell 162, an air pump port 163 penetrates through the buffer plate shell 162 and the elastic plate 164, elastic sponge 131 is fixedly connected to the periphery of the inner wall of the piston left cavity 13, a sponge air port 11 is connected to the left end of the piston left cavity 13, a piston sealing ring 141 is fixedly connected to the periphery of the piston 14, the piston sealing ring 141 is connected to the periphery of the inner wall of the piston cavity shell 5 in a sealing and sliding manner, a buffer elastic plate 22 is fixedly connected to the inner wall of the left end of the piston cavity shell 5, the piston rod 4 penetrates through and is connected with the buffer elastic plate 22 in a sliding manner, the air guide rod 17, the piston chamber 5 moves leftwards, the spring 161 is contracted to match with the buffering elastic plate 22 to play a buffering role, meanwhile, when the piston 14 is used in the field, the piston 14 moves rightwards, the elastic sponge 131 is stretched to match with the buffering plate 16 and the spring 161 to play a buffering role, the piston 14 moves leftwards, and the elastic sponge 131 is contracted to play a buffering role for the piston 14.
5 left end fixedly connected with second dustproof stopper 21 of piston chamber shell, the inboard fixedly connected with second guide ring 20 of second dustproof stopper 21, the inboard and 4 sliding connection of piston rod of second guide ring 20, the first dustproof stopper 18 of 1 left end fixedly connected with of pneumatic push rod shell, the inboard first guide ring 19 of fixedly connected with of first dustproof stopper 18, 19 inboard and 4 sliding connection of piston rod of first guide ring, the sealed sliding connection of first guide ring 19 and second guide ring 20 plays the guide effect for piston rod 4 in the piston rod 4 outside, first dustproof stopper 18 and the dustproof stopper 21 of second fixed sealing connection respectively play dustproof, inclosed effect between pneumatic push rod shell 1 and first guide ring 19 and between piston chamber shell 5 and second guide ring 21.
A use method of a pneumatic push rod with an air pump comprises the following use steps that when a piston rod 4 needs to be pushed to and fro at a high speed and at a high frequency and an external large air pump is used, the external large air pump is connected with a left air port and a right air port of the pneumatic push rod:
1) screwing the thread parts of the left air port 2 and the right air port 3 and the thread part of the air port of the large air pump in a rotating manner, and then ventilating the large air pump in an attempt, wherein the connection is finished when no obvious air leakage exists at the joint of the air ports;
2) when the right air port 3 is ventilated, when the left air port 2 is ventilated, the air pressure of the left cavity 7 is reduced, the air pressure of the right cavity 8 is increased, and the piston cavity shell 5 pushes the piston rod 4 to integrally move leftwards;
3) when the left air port 2 is ventilated, and the right air port 3 is ventilated, the air pressure of the right cavity 8 is reduced, the air pressure of the left cavity 7 is increased, and the piston cavity shell 5 pulls the piston rod 4 back to move rightwards integrally;
when the reciprocating frequency and the speed of the piston rod 4 are required to be controlled relatively accurately, the pneumatic push rod with the air pump is used, and the pneumatic push rod with the air pump has the following use steps:
1) the left air port 2 and the right air port 3 are disconnected with an external air pump and keep ventilation with the outside, the pneumatic push rod works by depending on the operation of the small air pump 6, the sponge air port 11 is normally used for inflating the elastic sponge 131, and the elastic sponge 131 expands to keep the balance of the piston 14;
2) when the small air pump 6 inflates the piston right cavity 15, the air pressure of the piston right cavity 15 is increased, the piston 14 pushes leftwards and extrudes the elastic sponge 131 to force the sponge air port 11 to spit air outwards, the piston 14 drives the piston rod 4 to push leftwards, and the elastic sponge 131 plays a role in buffering the piston 14 while controlling the air pressure balance;
3) when the small air pump 6 is used for pumping air from the piston right cavity 16, the air pressure of the piston right cavity 15 is reduced, the piston 14 pushes and stretches the elastic sponge 131 rightwards, the sponge air port 11 inflates the elastic sponge 131 inwards, and when the air pressure of the piston right cavity 15 is reduced to 0-0.5 atmospheric pressure, the piston 14 moves to the right end and is buffered by the piston 14 under the action of the elastic sponge 131 and the buffer plate 16.
The elastic sponge 131 is any one or more of thermoplastic vulcanized rubber or polyvinyl chloride.
While the invention has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.

Claims (9)

1.一种自带气泵的气动推杆，包括气动推杆外壳(1)、左气口(2)、右气口(3)、活塞杆(4)和小型气泵(6)，所述气动推杆外壳(1)上端的左右两端分别连接左气口(2)和右气口(3)，所述气动推杆外壳(1)右端固定连接小型气泵(6)，其特征是：所述气动推杆外壳(1)上端内壁中部固定连接有分隔板(10)，所述分隔板(10)下端固定连接有滑板(9)，所述滑板(9)和分隔板(10)前后两端固定连接于气动推杆外壳(1)内壁前后两端，所述滑板(9)下端设有活塞腔壳(5)，所述活塞腔壳(5)前后上下四面固定连接有活塞腔密封圈(12)，所述活塞腔密封圈(12)滑动连接在滑板(9)下端和气动推杆外壳(1)内壁，所述滑板(9)和分隔板(10)将气动推杆内部分隔为左腔(7)和右腔(8)，所述活塞腔壳(5)内壁密封连接有活塞(14)，所述活塞(14)将活塞腔壳(5)的左右两端分为活塞左腔(13)和活塞右腔(15)，所述活塞(14)左端固定连接活塞杆(4)的一端，所述活塞杆(4)的另一端穿过活塞腔壳(5)左端和气动推杆外壳(1)左端，所述小型气泵(6)左端固定连接有导气杆(17)，所述导气杆(17)穿过气动推杆外壳(1)和活塞腔壳(5)右端进入活塞右腔(15)，所述导气杆(17)内部设有右端连接小型气泵(6)的气泵口(163)。1. A pneumatic push rod with a self-contained air pump, comprising a pneumatic push rod housing (1), a left air port (2), a right air port (3), a piston rod (4) and a small air pump (6). The left and right ends of the upper end of the casing (1) are respectively connected to the left air port (2) and the right air port (3), and the right end of the pneumatic push rod casing (1) is fixedly connected to a small air pump (6), characterized in that: the pneumatic push rod A partition plate (10) is fixedly connected to the middle part of the inner wall of the upper end of the casing (1), a slide plate (9) is fixedly connected to the lower end of the partition plate (10), and the front and rear ends of the slide plate (9) and the partition plate (10) are fixedly connected. It is fixedly connected to the front and rear ends of the inner wall of the pneumatic push rod housing (1). The lower end of the slide plate (9) is provided with a piston cavity shell (5). 12), the piston cavity sealing ring (12) is slidably connected to the lower end of the slide plate (9) and the inner wall of the pneumatic push rod housing (1), and the slide plate (9) and the partition plate (10) divide the interior of the pneumatic push rod into The left cavity (7) and the right cavity (8), the piston (14) is sealingly connected to the inner wall of the piston cavity shell (5), and the piston (14) divides the left and right ends of the piston cavity shell (5) into the left and right ends of the piston. A cavity (13) and a right piston cavity (15), the left end of the piston (14) is fixedly connected to one end of the piston rod (4), and the other end of the piston rod (4) passes through the left end of the piston cavity shell (5) and the pneumatic The left end of the push rod housing (1), the left end of the small air pump (6) is fixedly connected with an air guide rod (17), and the air guide rod (17) passes through the pneumatic push rod housing (1) and the piston cavity shell (5) The right end enters the right cavity (15) of the piston, and the air guide rod (17) is provided with an air pump port (163) at the right end connected to the small air pump (6). 2.根据权利要求1所述的一种自带气泵的气动推杆，其特征是：所述活塞右腔(15)内设有缓冲板(16)，所述缓冲板(16)固定连接在导气杆(17)上下两端，所述缓冲板(16)左端设有缓冲板壳(162)，所述缓冲板壳(162)左端固定连接有弹板(164)，所述气泵口(163)穿过缓冲板壳(162)和弹板(164)。2. A pneumatic push rod with an air pump according to claim 1, wherein a buffer plate (16) is provided in the right piston chamber (15), and the buffer plate (16) is fixedly connected to the The upper and lower ends of the air guide rod (17), the left end of the buffer plate (16) is provided with a buffer plate shell (162), the left end of the buffer plate shell (162) is fixedly connected with a spring plate (164), the air pump port ( 163) through the buffer plate shell (162) and the spring plate (164). 3.根据权利要求2所述的一种自带气泵的气动推杆，其特征是：所述活塞左腔(13)内壁周围固定连接有弹性海绵(131)，所述活塞左腔(13)左端连接有海绵气口(11)。3. A pneumatic push rod with a self-contained air pump according to claim 2, wherein an elastic sponge (131) is fixedly connected around the inner wall of the left piston cavity (13), and the left piston cavity (13) The left end is connected with a sponge air port (11). 4.根据权利要求3所述的一种自带气泵的气动推杆，其特征是：所述活塞(14)周围固定连接有活塞密封圈(141)，所述活塞密封圈(141)密封滑动连接在活塞腔壳(5)内壁四周。4. A pneumatic push rod with a self-contained air pump according to claim 3, wherein a piston sealing ring (141) is fixedly connected around the piston (14), and the piston sealing ring (141) seals and slides Connected around the inner wall of the piston cavity shell (5). 5.根据权利要求4所述的一种自带气泵的气动推杆，其特征是：所述活塞腔壳(5)左端内壁固定连接有缓冲弹板(22)，所述活塞杆(4)穿过并滑动连接缓冲弹板(22)。5. A pneumatic push rod with a self-contained air pump according to claim 4, characterized in that: a buffer spring plate (22) is fixedly connected to the inner wall of the left end of the piston cavity shell (5), and the piston rod (4) Pass through and slide to connect the buffer spring plate (22). 6.根据权利要求5所述的一种自带气泵的气动推杆，其特征是：所述活塞腔壳(5)左端固定连接有第二防尘塞(21)，所述第二防尘塞(21)内侧固定连接有第二导向圈(20)，所述第二导向圈(20)内侧与活塞杆(4)滑动连接。6. A pneumatic push rod with a self-contained air pump according to claim 5, characterized in that: the left end of the piston cavity shell (5) is fixedly connected with a second dust plug (21), the second dust The inner side of the plug (21) is fixedly connected with a second guide ring (20), and the inner side of the second guide ring (20) is slidably connected with the piston rod (4). 7.根据权利要求6所述的一种自带气泵的气动推杆，其特征是：所述气动推杆外壳(1)左端固定连接有第一防尘塞(18)，所述第一防尘塞(18)内侧固定连接有第一导向圈(19)，所述第一导向圈(19)内侧与活塞杆(4)滑动连接。7. A pneumatic push rod with a self-contained air pump according to claim 6, wherein the left end of the pneumatic push rod housing (1) is fixedly connected with a first dust plug (18), the first anti-dust plug (18) A first guide ring (19) is fixedly connected to the inner side of the dust plug (18), and the inner side of the first guide ring (19) is slidably connected to the piston rod (4). 8.根据权利要求7所述的一种自带气泵的气动推杆的使用方法，需要活塞杆(4)往复推动速度快、频率高时，使用外接大型气泵时，气动推杆左右气口外接大型气泵的使用步骤如下：8. The method of using a pneumatic push rod with a self-contained air pump according to claim 7, when the piston rod (4) is required to reciprocate at a high speed and a high frequency, when using an external large air pump, the left and right air ports of the pneumatic push rod are connected with a large external large air pump. The steps to use the air pump are as follows: 1)将左气口(2)和右气口(3)的螺纹部与大型气泵的气口螺纹部旋转拧紧，再将大型气泵试通气，气口接缝处没有明显漏气则完成连接；1) Rotate and tighten the threaded part of the left air port (2) and the right air port (3) with the air port threaded part of the large air pump, and then test the air of the large air pump. If there is no obvious air leakage at the air port joints, the connection is completed; 2)右气口(3)通气，左气口(2)出气时，左腔(7)气压减小，右腔(8)气压增大，活塞腔壳(5)推出活塞杆(4)整体向左移动；2) When the right air port (3) is ventilated, when the left air port (2) is vented, the air pressure in the left chamber (7) decreases, the air pressure in the right chamber (8) increases, and the piston chamber shell (5) pushes out the piston rod (4) as a whole to the left move; 3)左气口(2)通气，右气口(3)出气时，右腔(8)气压减小，左腔(7)气压增大，活塞腔壳(5)拉回活塞杆(4)整体向右移动；3) When the left air port (2) is ventilated, and the right air port (3) is vented, the air pressure of the right chamber (8) decreases, the air pressure of the left chamber (7) increases, and the piston chamber shell (5) pulls the piston rod (4) back to the overall direction. move right; 需要活塞杆(4)往复频率、速度慢相对更精准控制推杆位置时，使用自带气泵，气动推杆自带气泵的使用步骤如下：When the reciprocating frequency and speed of the piston rod (4) are required to control the position of the push rod more accurately, the self-contained air pump is used. The steps for using the air pump of the pneumatic push rod are as follows: 1)左气口(2)和右气口(3)与外接气泵断接且与外界保持通气，气动推杆依靠小型气泵(6)运行工作，海绵气口(11)正常为弹性海绵(131)充气，弹性海绵(131)膨胀保持活塞(14)平衡；1) The left air port (2) and the right air port (3) are disconnected from the external air pump and kept ventilated with the outside world. The pneumatic push rod relies on the small air pump (6) to operate and work, and the sponge air port (11) is normally inflated by the elastic sponge (131), The elastic sponge (131) expands to keep the piston (14) balanced; 2)小型气泵(6)为活塞右腔(15)充气时，活塞右腔(15)气压增大，活塞(14)向左推动、挤压弹性海绵(131)迫使海绵气口(11)向外吐气，活塞(14)带动活塞杆(4)向左推出，弹性海绵(131)控制气压平衡的同时，也起到缓冲活塞(14)的作用；2) When the small air pump (6) inflates the right piston chamber (15), the air pressure in the right piston chamber (15) increases, and the piston (14) pushes and squeezes the elastic sponge (131) to the left to force the sponge air port (11) outward. Exhale, the piston (14) drives the piston rod (4) to push out to the left, while the elastic sponge (131) controls the air pressure balance, it also acts as a buffer for the piston (14); 3)小型气泵(6)为活塞右腔(16)抽气时，活塞右腔(15)气压减小，活塞(14)向右推动、拉伸弹性海绵(131)，海绵气口(11)向内为弹性海绵(131)充气，当活塞右腔(15)气压减小到0-0.5个大气压时，活塞(14)移至右端在弹性海绵(131)和缓冲板(16)的作用下为活塞(14)缓冲。3) When the small air pump (6) pumps air into the right piston chamber (16), the air pressure in the right piston chamber (15) decreases, the piston (14) pushes and stretches the elastic sponge (131) to the right, and the sponge air port (11) moves toward the right side. The elastic sponge (131) is inflated inside. When the air pressure in the right piston chamber (15) is reduced to 0-0.5 atmospheres, the piston (14) moves to the right end under the action of the elastic sponge (131) and the buffer plate (16). Piston (14) cushioning. 9.根据权利要求8所述的一种自带气泵的气动推杆的使用方法，其特征是：所述弹性海绵(131)为热塑性硫化橡胶或聚氯乙烯的任意一种或多种。9 . The method for using a pneumatic push rod with an air pump according to claim 8 , wherein the elastic sponge ( 131 ) is any one or more of thermoplastic vulcanized rubber or polyvinyl chloride. 10 .
CN202011336456.7A 2020-11-25 2020-11-25 Pneumatic push rod with air pump and using method thereof Withdrawn CN112460099A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114321082A (en) * 2021-12-24 2022-04-12 苏州赛泰克机械科技有限公司 Hydraulic cylinder with high buffer performance
CN116192567A (en) * 2023-01-13 2023-05-30 武汉菲奥达物联科技有限公司 Gateway is patrolled and examined to low-power consumption equipment health status

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114321082A (en) * 2021-12-24 2022-04-12 苏州赛泰克机械科技有限公司 Hydraulic cylinder with high buffer performance
CN116192567A (en) * 2023-01-13 2023-05-30 武汉菲奥达物联科技有限公司 Gateway is patrolled and examined to low-power consumption equipment health status

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Application publication date: 20210309