CN215256644U

CN215256644U - Air inlet device for air compressor

Info

Publication number: CN215256644U
Application number: CN202121519323.3U
Authority: CN
Inventors: 刘全辉; 吴成华
Original assignee: Jiangsu Jingren Mechanical And Electrical Technology Co ltd
Current assignee: Jiangsu Jingren Mechanical And Electrical Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-21
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses an air inlet device for an air compressor, which comprises a piston assembly, wherein the piston cylinder assembly comprises a box body arranged at the lower part, a driving shaft in transmission connection with a driving device is arranged in the box body, and the driving shaft is connected with a piston through a connecting rod; a left piston cylinder and a right piston cylinder are respectively arranged on the left upper side and the right upper side of the box body; the top parts of the left piston cylinder and the right piston cylinder are provided with an air suction port and an air inlet which are communicated with the interior of the piston cylinder, and the air inlet is fixedly connected with an air inlet pipeline; and the air inlet pipelines of the left piston cylinder and the right piston cylinder are communicated in series and then communicated with the air inlet of the air storage tank. The utility model discloses a setting of left piston cylinder and right piston cylinder to and after establishing ties left piston cylinder and right piston cylinder through the admission line and communicate, carry the gas holder with gas through total admission line, when the air compressor machine admits air, can admit air for the gas holder simultaneously through two piston cylinders, can effectually accelerate air inlet speed, save the induction time.

Description

Air inlet device for air compressor

Technical Field

The utility model relates to an air compressor technical field, concretely relates to air inlet unit for air compressor.

Background

The air compressor is a main body of an air source device, is used for converting mechanical energy of a prime motor into gas pressure energy, and is used for compressing outside air into a tank body for storage. Along with the progress and the development of science and technology, often use air compressor to work in the industrial field, air compressor is the equipment that is used for compressed gas, and air compressor is similar with the water pump structure, and most of air compressor are reciprocating piston, rotating vane or rotatory screw rod, therefore can know that present air compressor satisfies people's demand basically.

However, in many industrial air compressor fields, it is still desirable to improve the air compressor, for example, based on the original situation, to further accelerate the air intake time of the air compressor to the air storage tank. Therefore, the air inlet time of the air compressor can be shortened, the service time of the air compressor can be prolonged, and the industrial working efficiency can be further improved.

Disclosure of Invention

In order to solve the technical problem, the utility model provides an air inlet device for an air compressor; the technical problem can be effectively solved.

The utility model discloses a following technical scheme realizes:

an air inlet device for an air compressor comprises a piston assembly, wherein a piston cylinder assembly comprises a box body arranged at the lower part, a driving shaft in transmission connection with a driving device is arranged in the box body, and the driving shaft is connected with a piston through a connecting rod; a left piston cylinder and a right piston cylinder are respectively arranged on the left upper side and the right upper side of the box body; the top parts of the left piston cylinder and the right piston cylinder are provided with an air suction port and an air inlet which are communicated with the interior of the piston cylinder, and the air inlet is fixedly connected with an air inlet pipeline; and the air inlet pipelines of the left piston cylinder and the right piston cylinder are communicated in series and then communicated with the air inlet of the air storage tank.

Furthermore, two connecting rods which can move along with the rotation of the driving shaft are arranged on the driving shaft and are positioned in the box body, the other ends of the two connecting rods are respectively connected with pistons, and the two pistons are respectively arranged in the left piston cylinder and the right piston cylinder to form a left piston and a right piston.

Further, valve plate assemblies are arranged at the tops of the left piston and the right piston, and a cylinder cover is arranged on the upper side of each valve plate assembly; the front side at cylinder cap top is provided with the induction port with the inside intercommunication of piston cylinder, is located the rear side at cylinder cap top, is provided with the air inlet with the induction port intercommunication, the air inlet on fixedly connected with admission line.

Furthermore, the left piston and the right piston both comprise piston bodies, the inside of each piston body is hollow, two pin bosses are correspondingly arranged in the middle of the side wall of each piston body, the two pin bosses are fixedly connected through a transverse shaft, and the transverse shaft is rotatably connected with the free end of the connecting rod; when the connecting rod shifts along with the rotation of the driving shaft, the connecting rod can drive the piston body to move up and down in the piston cylinder, and therefore air in the air is sucked into the air inlet pipe through the air suction port.

Furthermore, the side wall of the piston body is provided with 4 air rings, and the air rings are made of soft rubber materials.

Furthermore, an air outlet is formed in the middle of the left piston cylinder and the right piston cylinder and is positioned at the top of the box body, and a respirator is fixedly installed at the position of the air outlet through threads.

Advantageous effects

The utility model provides an air inlet unit for air compressor compares with traditional prior art, and it has following beneficial effect:

(1) this technical scheme is through the setting of left piston cylinder and right piston cylinder to and after establishing ties left piston cylinder and right piston cylinder and communicate through the admission line, carry the gas holder through total admission line with gas, when the air compressor machine admits air, can admit air for the gas holder simultaneously through two piston cylinders, can effectually accelerate intake speed, save the admit air time.

(2) According to the technical scheme, the friction force between the piston body and the inner wall of the cylinder cover can be increased through the 4 air rings arranged on the side wall of the piston body, when the piston body moves downwards, the air pressure between the upper side of the piston body in the piston cylinder and the air suction port and between the upper side of the piston body in the piston cylinder and the air inlet port can be reduced, so that the pressure in the air can enter a cavity of the piston cylinder or an air inlet pipe more quickly, the air in the air can be sucked into the air inlet pipe more quickly, and then the air is input into the storage tank through the air inlet main pipe; the efficiency of effectual increase admit air for the gas holder air intake speed, the further air inlet time that reduces the gas holder.

(3) This technical scheme can discharge the waste gas that scurries from the piston top better through the respirator, keeps the atmospheric pressure in the box equal with external pressure, makes the long-time continuous operation of air compressor machine.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the external structure of the present invention.

Fig. 3 is a schematic diagram of the split state of the present invention.

Fig. 4 is a schematic structural view of the piston body according to the present invention.

Fig. 5 is a schematic view of the inner cavity structure of the piston body according to the present invention.

Reference numbers in the drawings: 1-box body, 2-left piston cylinder, 3-right piston cylinder, 4-driving shaft, 5-connecting rod, 6-piston, 61-piston body, 62-pin seat, 63-horizontal shaft, 64-first air ring, 65-second air ring, 66-third air ring, 67-fourth air ring, 68-vent hole, 7-valve plate component, 8-cylinder cover, 81-air suction port, 9-air inlet pipeline, 10-respirator, 11-air outlet and 12-total air inlet pipeline.

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.

As shown in fig. 1 to 3, an air intake device for an air compressor comprises a piston cylinder assembly, wherein the piston cylinder assembly comprises a box body 1 arranged at the lower part, and a left piston cylinder 2 and a right piston cylinder 3 are respectively arranged at the upper left side and the upper right side of the box body 1.

A driving shaft 4 penetrating through the box body 1 is arranged on the inner wall of the box body 1 through a bearing, and the bearing is arranged between the driving shaft 4 and the side wall of the box body 1; and the two connecting rods 5 are positioned in the box body 1, the driving shaft 4 is provided with two connecting rods 5 which can move along with the rotation of the driving shaft 4, the other ends of the two connecting rods 5 are respectively connected with pistons 6, and the two pistons 6 are respectively arranged in the left piston cylinder 2 and the right piston cylinder 3 to form a left piston and a right piston. And valve plate assemblies 7 are arranged at the tops of the left piston and the right piston.

Install cylinder cap 8 at the upside of valve block subassembly 7, the front side at 8 tops of cylinder cap is provided with the induction port 81 with the inside intercommunication of piston cylinder, is located the rear side at 8 tops of cylinder cap, is provided with the air inlet with induction port 81 intercommunication, the air inlet on fixedly connected with admission line 9.

After the air inlet pipelines 9 of the left piston cylinder 2 and the right piston cylinder 3 are communicated in series, the air inlet pipelines are communicated with the air storage tank, and the air conveyed by the left piston cylinder 2 and the right piston cylinder 3 is simultaneously input into the air storage tank. The setting of left piston cylinder 2 and right piston cylinder 3 to and through inlet line 9 with left piston cylinder 2 and right piston cylinder 3 series connection intercommunication back, carry the gas holder through total inlet line with gas, when the air compressor machine admits air, can admit air for the gas holder simultaneously through two piston cylinders, can effectually accelerate intake velocity, save the admit air time.

The outer walls of the air inlet pipeline 9 and the main air inlet pipeline are provided with radiating fins for radiating; the temperature that can effectual reduction pipeline avoids the pipeline inside to cause the damage to the pipeline because the high temperature, the service life of effectual increase pipeline.

An air outlet 11 is formed in the top of the box body 1 at the middle position of the left piston cylinder 2 and the right piston cylinder 3, and a breather 10 is fixedly installed at the position of the air outlet 11 through threads. The breather 10 can better discharge the waste gas from the top of the piston, and the air pressure in the box body 1 is kept equal to the external pressure, so that the air compressor can continuously operate for a long time.

As shown in fig. 3-4, the piston 6 includes a piston body 61, the inside of the piston body 61 is hollow, two pin seats 62 are correspondingly disposed in the middle of the side wall of the piston body 61, the two pin seats 62 are fixedly connected with each other by a transverse shaft 63, and the transverse shaft 63 is rotatably connected with the free end of the connecting rod 5. When the connecting rod 5 is displaced along with the rotation of the driving shaft 4, the connecting rod 5 drives the piston body 61 to move up and down in the cylinder cover 8, so that air in the air is sucked into the air inlet pipeline 9 and then is input into the storage tank through the air inlet main pipe.

A first air ring 64 and a second air ring 65 are arranged on the upper part of the side wall of the piston body 61, and the first air ring 64 and the second air ring 65 are arranged in parallel; and a third air ring 66 and a fourth air ring 67 are arranged on the side wall of the piston body 61 and positioned on the lower side of the second air ring 65, the third air ring 66 and the fourth air ring 67 are respectively arranged on the upper side and the lower side of the pin seat 62, the third air ring 66 and the fourth air ring 67 are both U-shaped air rings, and a vent hole 68 is arranged on the bottom surface of each U-shaped air ring.

The 4 air rings on the side wall of the piston body 61 can increase the friction force between the piston body 61 and the inner wall of the cylinder cover 8, when the piston body 61 moves downwards, the air pressure from the upper side of the piston body 61 in the piston cylinder to the air suction port 81 and the air inlet can be reduced quickly, so that the pressure in the air can enter the cavity of the piston cylinder or the air inlet pipeline 9 more quickly, the air in the air can be sucked into the air inlet pipeline 9 more quickly, and then the air is input into the storage tank through the air inlet main pipe; the efficiency of effectual increase admit air for the gas holder air intake speed, the further air inlet time that reduces the gas holder.

Claims

1. The air inlet device for the air compressor comprises a piston assembly, wherein the piston cylinder assembly comprises a box body (1) arranged at the lower part, a driving shaft (4) in transmission connection with a driving device is installed in the box body (1), and the driving shaft (4) is connected with a piston (6) through a connecting rod (5); the method is characterized in that: a left piston cylinder (2) and a right piston cylinder (3) are respectively arranged on the left upper side and the right upper side of the box body (1); the top parts of the left piston cylinder (2) and the right piston cylinder (3) are provided with an air suction port (81) and an air inlet which are communicated with the interior of the piston cylinders, and the air inlet is fixedly connected with an air inlet pipeline (9); and the air inlet pipelines (9) of the left piston cylinder (2) and the right piston cylinder (3) are communicated in series and then are communicated with the air inlet of the air storage tank through a main air inlet pipeline (12).

2. An air intake apparatus for an air compressor as claimed in claim 1, wherein: the two connecting rods (5) which can move along with the rotation of the driving shaft (4) are arranged in the box body (1), the other ends of the two connecting rods (5) are respectively connected with pistons (6), and the two pistons (6) are respectively arranged in the left piston cylinder (2) and the right piston cylinder (3) to form a left piston and a right piston.

3. An air intake apparatus for an air compressor as claimed in claim 2, wherein: valve plate assemblies (7) are arranged at the tops of the left piston and the right piston, and a cylinder cover (8) is arranged on the upper side of each valve plate assembly (7); the front side at cylinder cap (8) top is provided with induction port (81) with the inside intercommunication of piston cylinder, is located the rear side at cylinder cap (8) top, is provided with the air inlet with induction port (81) intercommunication, the air inlet on fixedly connected with admission line (9).

4. An air intake apparatus for an air compressor according to claim 2 or 3, characterized in that: the left piston and the right piston respectively comprise a piston body (61), the inside of the piston body (61) is hollow, two pin bases (62) are correspondingly arranged in the middle of the side wall of the piston body (61), the two pin bases (62) are fixedly connected through a transverse shaft (63), and the transverse shaft (63) is rotatably connected with the free end of the connecting rod (5); when the connecting rod (5) is displaced along with the rotation of the driving shaft (4), the connecting rod (5) drives the piston body (61) to move up and down in the piston cylinder, so that air in the air is sucked into the air inlet pipeline (9) through the air suction port (81).

5. An air intake apparatus for an air compressor as claimed in claim 4, wherein: the side wall of the piston body (61) is provided with 4 air rings, and the air rings are made of soft rubber materials.

6. An air intake apparatus for an air compressor as claimed in claim 1, wherein: and an air outlet (11) is formed in the middle position of the left piston cylinder (2) and the right piston cylinder (3) and positioned at the top of the box body (1), and a breather (10) is fixedly installed at the position of the air outlet (11) through threads.