CN212838246U

CN212838246U - Piston assembly of air compressor

Info

Publication number: CN212838246U
Application number: CN202021852056.7U
Authority: CN
Inventors: 肖双慧; 肖金芳
Original assignee: Jiangxi Zhiqi Compressor Co ltd
Current assignee: Jiangxi Zhiqi Compressor Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-03-30
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses an air compressor piston assembly, which comprises a cylinder, one side fixedly connected with mount pad of cylinder, be equipped with the main shaft in the inner chamber of mount pad, symmetry fixedly connected with roller bearing on the outer wall of main shaft, be provided with the sleeve between two roller bearing, the top fixed interlude of mount pad is connected with into oil pipe, the bottom of advancing oil pipe is equipped with the connecting pipe, seted up on the sleeve with connecting pipe matched with T shape hole, the bottom activity interlude of mount pad is connected with collects the box, the bottom of collecting the box has seted up logical groove, the symmetry has seted up the through-hole between collection box and the mount pad, the one end fixedly connected with crank of main shaft. The utility model discloses utilize mount pad, main shaft, sleeve, roller bearing, advance oil pipe, connecting pipe, T shape hole, collect the box, lead to groove, through-hole and articulate cooperation, improve the lubricity of roller bearing department, avoid roller bearing to take place noise and damage after using for a long time, improve air compressor's life simultaneously.

Description

Piston assembly of air compressor

Technical Field

The utility model relates to a piston assembly field, in particular to air compressor piston assembly.

Background

One of the important parts in the air compressor is a piston assembly, a piston pin penetrates through the piston, the upper end of the piston rod is sleeved on the piston pin, the lower end of the piston rod is driven by a crankshaft connecting rod to further drive the whole piston to move up and down in a cylinder, a servo motor adopted at the input end of a crank drives a main shaft to rotate, and in order to reduce the friction force between the main shaft and an inner cavity of a mounting seat, a bearing is also arranged between the outer side wall of the main shaft and the inner cavity of the mounting seat by part of manufacturers to reduce the friction.

The existing bearing can generate continuous rolling friction in the inner cavity of the mounting seat, if the bearing is used for a long time, the inside of the bearing can generate slight clamping stagnation, so that large noise is generated, a main shaft is clamped seriously, even the whole air compressor is caused to lose efficacy, and the service life of the compressor is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air compressor piston assembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an air compressor piston assembly, includes the cylinder, one side fixedly connected with mount pad of cylinder, it is connected with the main shaft to rotate the interlude in the inner chamber of mount pad, symmetry fixedly connected with roller bearing, two on the outer wall of main shaft be provided with the sleeve between the roller bearing, the sleeve cup joints with the inner chamber of mount pad is fixed, the sleeve rotates with the main shaft to alternate and is connected, the top fixedly interlude of mount pad is connected with into oil pipe, the bottom fixedly connected with connecting pipe that advances oil pipe, set up the T shape hole with connecting pipe matched with on the sleeve, the bottom activity interlude of mount pad is connected with collects the box, the bottom of collecting the box has been seted up logical groove, the symmetry has been seted up the through-hole between collection box and the mount pad, the one end.

Preferably, the bottom fixedly connected with bottom plate of cylinder, the bottom fixedly connected with fixing base of cylinder inner chamber, the fixing base rotates with the main shaft and alternates and is connected.

Preferably, the middle part of the crank is hinged with a connecting rod, and one end of the connecting rod is rotatably connected with a piston block.

Preferably, one side fixedly connected with handle of collection box, the top screw thread that advances oil pipe alternates to cup joint the top cap.

Preferably, the fixing seat and the cylinder are fixedly inserted and connected with a sealing sleeve, and one side of the cylinder is fixedly inserted and connected with an air inlet pipe.

Preferably, the top of the other side of the air cylinder is fixedly connected with an air collecting pipe in an inserting mode, and the bottom of the air collecting pipe is fixedly connected with an air outlet pipe in an inserting mode.

The utility model discloses a technological effect and advantage:

(1) the utility model discloses utilize the cooperation of mount pad, main shaft, sleeve, roller bearing, oil inlet pipe, connecting pipe, T shape hole, collection box, logical groove, through-hole and crank, improved the lubricity of roller bearing department, avoided the roller bearing to take place noise and damage after long-time the use, improved air compressor's life simultaneously;

(2) the utility model discloses utilize bottom plate, fixing base, connecting rod, piston piece, handle, top cap, seal cover, air-supply line and the cooperation that goes out the tuber pipe, improved the leakproofness in the compressor inner chamber to the rapidity of crank and connecting rod linkage has been improved, thereby has improved holistic practicality.

Drawings

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

Fig. 2 is a schematic structural view of the back of the present invention.

Fig. 3 is a schematic view of the front internal structure of the present invention.

Fig. 4 is a schematic view of the internal structure of the side of the present invention.

Fig. 5 is a schematic structural view of the sleeve of the present invention.

In the figure: 1. a cylinder; 2. a mounting seat; 3. a main shaft; 4. a roller bearing; 5. a sleeve; 6. an oil inlet pipe; 7. a connecting pipe; 8. a top cover; 9. a collection box; 10. a handle; 11. sealing sleeves; 12. a fixed seat; 13. a base plate; 14. a crank; 15. a connecting rod; 16. a piston block; 17. an air collecting pipe; 18. an air inlet pipe.

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.

The utility model provides an air compressor piston assembly as shown in figures 1-5, which comprises an air cylinder 1, a mounting seat 2 is fixedly connected with one side of the air cylinder 1, a main shaft 3 is rotatably and alternately connected in the inner cavity of the mounting seat 2, the other end of the main shaft 3 is in transmission connection with the output end of an external servo motor, roller bearings 4 are symmetrically and fixedly connected on the outer wall of the main shaft 3, the cross sections of the main shaft 3 and the roller bearings 4 are both circular, the roller bearings 4 are attached to the inner wall of the mounting seat 2, the main shaft 3 is prevented from shaking in the inner cavity of the mounting seat 2, a sleeve 5 is arranged between the two roller bearings 4, the sleeve 5 is fixedly sleeved with the inner cavity of the mounting seat 2, the sleeve 5 is rotatably and alternately connected with the main shaft 3, an oil inlet pipe 6 is fixedly and alternately connected at the top of the mounting seat 2, a connecting pipe 7 is fixedly connected at the, the entering of the lubricating oil of being convenient for, set up the T shape hole with 7 matched with of connecting pipe on the sleeve 5, the lubricating oil of being convenient for gets into in the inner chamber of sleeve 5, then lubricate in getting into roller bearing 4's the inner circle, the bottom activity interlude of mount pad 2 is connected with collects box 9, the bottom of collecting box 9 has been seted up logical groove, be convenient for unnecessary lubricating oil recovery, collect the symmetry between box 9 and the mount pad 2 and seted up the through-hole, the one end fixedly connected with crank 14 of main shaft 3, during the use, main shaft 3 drives crank 14 and rotates, make piston block 16 carry out the up-and-down back motion through.

The bottom fixedly connected with bottom plate 13 of cylinder 1, the cross-section of bottom plate 13 is circular, and the bottom fixedly connected with fixing base 12 of 1 inner chamber of cylinder, fixing base 12 rotate with main shaft 3 and alternate and be connected, carry out the spacing of direction of rotation to main shaft 3, take place to rock when avoiding main shaft 3 to drive crank 14 to rotate.

The middle part of crank 14 articulates there is connecting rod 15, and the one end of connecting rod 15 rotates and is connected with piston piece 16, is convenient for turn into spacing slip with the rotation of main shaft 3 to the working process of compressor has been improved.

Collect one side fixedly connected with handle 10 of box 9, the dismouting of collecting box 9 of being convenient for is washd, and the top screw thread that advances oil pipe 6 alternates and has cup jointed top cap 8, receives the influence of dust in the inner chamber of avoiding advancing oil pipe 6.

The fixed seat 12 and the cylinder 1 are fixedly connected with a sealing sleeve 11 in an inserting way, so that lubricating oil at the roller bearing 4 is prevented from entering an inner cavity of the cylinder 1, the safety of the whole mechanism is improved, and one side of the cylinder 1 is fixedly connected with an air inlet pipe 18 in an inserting way.

The top fixed interlude of 1 opposite side of cylinder is connected with collection tuber pipe 17, and the equal activity interlude in middle part of air-supply line 18 and collection tuber pipe 17 is connected with the gag lever post, and the bottom fixedly connected with block rubber of gag lever post, the top symmetry fixedly connected with baffle of gag lever post, fixedly connected with spring between two baffles, the bottom fixed interlude of collection tuber pipe 17 is connected with out the tuber pipe, has improved the high efficiency and the rapidity of compressor work implementation.

The utility model discloses the theory of operation: when the device is used, a user starts the servo motor to rotate the main shaft 3, so that the roller bearings 4 and the crank 14 synchronously rotate, the circumferential rotation of the crank 14 drives the bottom end of the connecting rod 15 to perform circumferential motion, the top end of the connecting rod 15 drives the piston block 16 to perform up-and-down reciprocating motion, external air at the air inlet pipe 18 enters the inner cavity of the air collecting pipe 17 under the compression of the piston block 16, then the device is put into use through the air outlet pipe, when the roller bearings 4 are used for a long time, the top cover 8 is manually unscrewed, lubricating oil is poured into the inner cavity of the oil inlet pipe 6, so that the lubricating oil enters the T-shaped holes through the connecting pipe 7 and then respectively enters the inner rings of the roller bearings 4 at two sides, the roller bearings 4 are lubricated, redundant lubricating oil enters the inner cavity of the mounting base 2 under the swinging action of the rotation of the main shaft 3 and then enters the inner cavity of the, it is disposed of and replaced by the handle 10.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

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

Claims

1. The air compressor piston assembly comprises an air cylinder (1) and is characterized in that one side of the air cylinder (1) is fixedly connected with an installation seat (2), a main shaft (3) is rotatably and alternately connected in an inner cavity of the installation seat (2), roller bearings (4) are symmetrically and fixedly connected on the outer wall of the main shaft (3), a sleeve (5) is arranged between the two roller bearings (4), the sleeve (5) is fixedly sleeved with the inner cavity of the installation seat (2), the sleeve (5) is rotatably and alternately connected with the main shaft (3), an oil inlet pipe (6) is fixedly and alternately connected at the top of the installation seat (2), a connecting pipe (7) is fixedly connected at the bottom of the oil inlet pipe (6), a T-shaped hole matched with the connecting pipe (7) is formed in the sleeve (5), and a collection box (9) is movably and alternately connected at the bottom of the installation seat (2), the bottom of collecting box (9) has been seted up logical groove, the through-hole has been seted up to the symmetry between collecting box (9) and mount pad (2), the one end fixedly connected with crank (14) of main shaft (3).

2. The air compressor piston assembly as claimed in claim 1, wherein a bottom plate (13) is fixedly connected to the bottom of the cylinder (1), a fixing seat (12) is fixedly connected to the bottom of the inner cavity of the cylinder (1), and the fixing seat (12) is rotatably inserted and connected with the main shaft (3).

3. The air compressor piston assembly according to claim 1, wherein a connecting rod (15) is hinged to the middle of the crank (14), and a piston block (16) is rotatably connected to one end of the connecting rod (15).

4. The air compressor piston assembly as claimed in claim 1, wherein a handle (10) is fixedly connected to one side of the collecting box (9), and a top cover (8) is screwed and sleeved on the top of the oil inlet pipe (6).

5. The air compressor piston assembly as claimed in claim 2, wherein a sealing sleeve (11) is fixedly inserted and connected to the fixing seat (12) and the cylinder (1), and an air inlet pipe (18) is fixedly inserted and connected to one side of the cylinder (1).

6. The air compressor piston assembly as claimed in claim 1, wherein an air collecting pipe (17) is fixedly inserted and connected to the top of the other side of the air cylinder (1), and an air outlet pipe is fixedly inserted and connected to the bottom of the air collecting pipe (17).