CN211852076U

CN211852076U - Piston type air compressor capable of avoiding gas backflow

Info

Publication number: CN211852076U
Application number: CN201921655989.4U
Authority: CN
Inventors: 张文来; 吕文霞; 任宝茹
Original assignee: Langfang Zhongchai Air Compressor Co ltd
Current assignee: Langfang Zhongchai Air Compressor Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-11-03
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses an avoid piston air compressor of gaseous refluence, including the air compressor casing, the air compressor casing is equipped with air inlet and gas outlet, air compressor casing inner chamber is equipped with piston, connecting rod and bent axle, and the bent axle passes through the bearing to be fixed in shells inner wall both sides to the one end of connecting rod is alternated to the bent axle middle-end, piston one end is equipped with the recess, and alternates the other end that is connected with the connecting rod through the pivot in the recess, air compressor casing outer wall is equipped with motor and motor, and motor electric connection timer. This avoid piston air compressor of gaseous refluence is equipped with the motor, and the motor acts on the fly leaf through wire rope and makes the fly leaf rotatory, and the fly leaf is rotatory to make air inlet and gas outlet by nimble switching seal, and this process can cooperate the stroke use of motor under the effect of timer to effectively avoid piston air compressor's gaseous refluence, lets piston air compressor's result of use better.

Description

Piston type air compressor capable of avoiding gas backflow

Technical Field

The utility model relates to a piston air compressor technical field specifically is a piston air compressor who avoids gaseous refluence.

Background

The air compressor is a device for compressing air, and the working principle of the piston type air compressor is that a motor is generally used for driving a piston rod to push a piston to reciprocate, so that a cylinder can suck air in a single direction and supply air in a single direction. The reciprocating piston type air compressor with the patent number of CN201820395500.3 reduces the useless power of the piston and improves the operation efficiency of the piston type air compressor.

However, no corresponding measures are taken for the gas backflow of the piston type air compressor, and the prior art solves the problem by adding a check valve, which has a common effect and can affect the working efficiency of the piston type air compressor to a certain extent, so that the prior art has defects and needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an avoid piston air compressor of gas refluence to solve the not good problem of the gas refluence protection measure of the piston air compressor who provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a piston type air compressor for avoiding gas backflow comprises an air compressor shell, wherein an air inlet and an air outlet are arranged on the air compressor shell, the inner cavity of the shell of the air compressor is provided with a piston, a connecting rod and a crankshaft, the crankshaft is fixed on two sides of the inner wall of the shell through bearings, the middle end of the crankshaft is inserted and connected with one end of a connecting rod, one end of the piston is provided with a groove, the other end of the connecting rod is inserted and connected in the groove through a rotating shaft, the outer wall of the shell of the air compressor is provided with a motor and a motor, one end of the motor is fixedly connected to the movable plate, one end of the movable plate is inserted and connected to a corner between the air inlet and the air outlet through the rotating shaft, the motor is fixed at the upper end of the air compressor shell, and the motor shaft of the motor is inserted into the air compressor shell to be fixedly connected with the crankshaft, and the lower end of the air compressor shell is provided with a base.

Preferably, a fixing frame is arranged at one section of the air outlet, a roller is fixedly inserted into the fixing frame through a rotating shaft, and the roller is in contact with one section of the steel wire rope.

Preferably, filter screens are arranged in the air outlet and the air inlet.

Preferably, fly leaf one end is equipped with the cushion, and the cushion other end and the interior wall laminating of gas outlet and air inlet.

Preferably, a part of the steel wire rope is inserted into the conduit, the conduit is fixed on the air compressor shell, and the conduit is arranged in a bending structure.

Compared with the prior art, the beneficial effects of the utility model are that: this avoid piston air compressor of gaseous refluence is equipped with the motor, and the motor acts on the fly leaf through wire rope and makes the fly leaf rotatory, and the fly leaf is rotatory to make air inlet and gas outlet by nimble switching seal, and this process can cooperate the stroke use of motor under the effect of timer to effectively avoid piston air compressor's gaseous refluence, lets piston air compressor's result of use better.

Drawings

FIG. 1 is a schematic view of a piston type air compressor for preventing backflow of air according to the present invention;

FIG. 2 is a front view of a piston type air compressor for preventing backflow of air according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 of the piston air compressor for preventing gas from flowing backwards according to the present invention.

In the figure: 1. the air compressor comprises an air compressor shell, 2, a motor, 3, a piston, 4, a roller, 5, a rubber cushion, 6, an air outlet, 7, a connecting rod, 8, an air inlet, 9, a movable plate, 10, a crankshaft, 11, a base, 12, a filter screen, 13, a wire pipe, 14, a motor, 15 and a steel wire rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a piston type air compressor capable of avoiding gas backflow comprises an air compressor shell 1, a motor 2, a piston 3, rollers 4, a rubber mat 5, an air outlet 6, a connecting rod 7, an air inlet 8, a movable plate 9, a crankshaft 10, a base 11, a filter screen 12, a wire pipe 13, a motor 14 and a steel wire rope 15, wherein the air inlet 8 and the air outlet 6 are arranged on the air compressor shell 1, a fixing frame is arranged at one section of the cross section of the air outlet 6 and is fixedly inserted with the rollers 4 through a rotating shaft, the rollers 4 are in contact with one section of the steel wire rope 15, the rollers 4 can rotate along with the movement of the steel wire rope 15, the steel wire rope 15 is prevented from being rubbed in the movement process, the movement process of the steel wire rope 15 is convenient and labor-saving, the filter screen 12 is arranged in the air outlet 6 and the air inlet 8, the filter screen 12 can play a certain filtering role on, 1 inner chamber of air compressor casing is equipped with piston 3, connecting rod 7 and bent axle 10, and bent axle 10 passes through the bearing to be fixed in 1 inner wall both sides of casing, and bent axle 10 middle-end alternates the one end of connecting

rod

7, 3 one end of piston is equipped with the recess, and alternate the other end that is connected with connecting rod 7 through the pivot in the recess, 1 outer wall of air compressor casing is equipped with motor 2 and

motor

14, and 14 electric connection timers of motor, 14 one end fixed connection of motor is on fly leaf 9, and fly leaf 9 one end alternates the edge of connecting between air inlet 8 and gas outlet 6 through the pivot, motor 2 is fixed in 1 upper end of air compressor casing, and the motor shaft of motor 2 alternates air compressor casing 1 and bent axle 10 fixed connection, 1 lower extreme of air compressor casing is equipped with.

Example 1: 9 one end of fly leaf is equipped with cushion 5, and the cushion 5 other end laminates mutually with gas outlet 6 and 8 inner walls of air inlet, and cushion 5 can let fly leaf 9 better to the sealed effect of gas outlet 6 and air inlet 8, lets the protective efficiency of gas refluence further strengthen.

Example 2: part of wire rope 15 alternates in spool 13, and spool 13 is fixed on air compressor casing 1 to spool 13 sets up to the type structure of buckling, and spool 13 can play certain guard action, avoids wire rope 15 scotch operating personnel's hand at the activity in-process.

The working principle is as follows: when the piston type air compressor for avoiding gas backflow is used, firstly, the power supply of the equipment is turned on, the motor 14 drives the steel wire rope 15 to be wound under the action of the timer, the movable plate 9 rotates from the position of the air inlet 8 to the position of the air outlet 6 under the action of the winding action, then, the motor 2 is electrified to drive the crankshaft 10 to rotate, the crankshaft 10 rotates to drive the connecting rod 7 to move, the connecting rod 7 movably acts on the penetrating rotating shaft of the connecting rod and the piston 3 to enable the piston 3 to move backwards along the track of the air compressor shell 1, air is sucked into the compressor shell 1 from the air inlet 8, then, the motor 14 is turned off under the action of the timer, the steel wire rope 15 wound on the shaft of the motor 14 is loosened under the action of the gravity of the movable plate 9, the movable plate 9 rotates from the position of the air outlet 6 to the position of the air inlet 8 again in, the piston 3 advances in the air compressor housing 1 as the crankshaft 10 rotates, and air is compressed out of the air outlet 6, which is the operation of the piston type air compressor to prevent reverse flow of air.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a piston air compressor of avoiding gas refluence, includes air compressor casing (1), its characterized in that: the air compressor is characterized in that an air inlet (8) and an air outlet (6) are arranged on the air compressor shell (1), an inner cavity of the air compressor shell (1) is provided with a piston (3), a connecting rod (7) and a crankshaft (10), the crankshaft (10) is fixed on two sides of the inner wall of the shell (1) through a bearing, the middle end of the crankshaft (10) is inserted and connected with one end of the connecting rod (7), one end of the piston (3) is provided with a groove, the other end of the connecting rod (7) is inserted and connected with the groove through a rotating shaft, the outer wall of the air compressor shell (1) is provided with a motor (2) and a motor (14), the motor (14) is electrically connected with a timer, one end of the motor (14) is fixedly connected onto a movable plate (9), one end of the movable plate (9) is inserted and connected with a corner between the air inlet (8) and the air outlet (, and the motor shaft of the motor (2) is inserted into the air compressor shell (1) and fixedly connected with the crankshaft (10), and the lower end of the air compressor shell (1) is provided with a base (11).

2. A piston type air compressor for preventing reverse flow of gas as claimed in claim 1, wherein: a fixing frame is arranged at one section of the air outlet (6), the fixing frame is fixedly provided with a roller (4) in an inserting mode through a rotating shaft, and the roller (4) is in contact with one section of the steel wire rope (15).

3. A piston type air compressor for preventing reverse flow of gas as claimed in claim 1, wherein: and filter screens (12) are arranged in the air outlet (6) and the air inlet (8).

4. A piston type air compressor for preventing reverse flow of gas as claimed in claim 1, wherein: and one end of the movable plate (9) is provided with a rubber cushion (5), and the other end of the rubber cushion (5) is attached to the inner walls of the air outlet (6) and the air inlet (8).

5. A piston type air compressor for preventing reverse flow of gas as claimed in claim 2, wherein: a part of the steel wire rope (15) is inserted into the line pipe (13), the line pipe (13) is fixed on the air compressor shell (1), and the line pipe (13) is arranged to be of a bending structure.