CN214944828U - Air compressor and piston rod structure thereof - Google Patents

Abstract

The application relates to an air compressor machine and piston rod structure thereof relates to the field of air compressor machines, and the piston rod structure of air compressor machine includes the body of rod and sets up the flexure strip on the body of rod, has seted up the mounting groove on the lateral wall of the body of rod, has seted up the air vent on the tank bottom inner wall of mounting groove, and the flexure strip is located the mounting groove and covers and close the air vent setting, and the inside wall setting of flexure strip butt mounting groove. When the installation flexure strip, with the flexure strip card go into the mounting groove in, through the inside wall of flexure strip butt mounting groove and then carry on spacingly to the flexure strip, reduced the condition that the skew takes place for the position in the flexure strip installation for it is more convenient to install the flexure strip.

Description

Air compressor and piston rod structure thereof

Technical Field

The application relates to the field of air compressors, in particular to an air compressor and a piston rod structure thereof.

Background

The air compressor is a main body of an air source device, is a device for converting mechanical energy of a prime mover (usually an electric motor) into gas pressure energy, is an air pressure generating device for compressing air, and mainly comprises a motor, a box body, an air cylinder, a cylinder cover and other parts.

The piston air compressor is an air compressor which changes the internal volume of the air compressor through a piston rod which reciprocates in an air cylinder, a motor drives a crankshaft to rotate after being started, the piston rod reciprocates through the transmission of a connecting rod, the working volume can change periodically, the crankshaft rotates for a circle, the piston reciprocates once, and the processes of air inlet, compression and exhaust are successively realized in the air cylinder, namely, one working cycle is completed.

Generally, the piston rod comprises a rod body and an elastic sheet fixed on the rod body, wherein the rod body is provided with a vent hole for the gas on two sides of the rod body to circulate, the elastic sheet covers the vent hole, when the piston rod moves, the gas on one side of the rod body pushes the elastic sheet open and then enters the other side of the rod body, and when the piston rod moves reversely, the gas on the other side of the rod body is blocked by the elastic sheet, so that the one-way circulation of the gas is realized, and the subsequent gas is discharged.

By adopting the piston rod, when the elastic piece is installed, the elastic piece and the rod body are generally penetrated through by the bolt, then the bolt is twisted, and the elastic piece is tightly propped against the rod body through the threaded fit of the bolt and the rod body, so that the installation of the elastic piece can be realized.

However, in the process of twisting the bolt, the bolt can drive the elastic sheet to twist, so that the position of the elastic sheet deviates, and the air hole may be leaked locally, thereby affecting the exhaust process.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the position of the elastic sheet is troublesome to adjust continuously when the elastic sheet is installed, the application provides an air compressor and a piston rod structure thereof.

First aspect, the application provides a piston rod structure of air compressor machine adopts following technical scheme:

the utility model provides a piston rod structure of air compressor machine, include the body of rod with set up in flexure strip on the body of rod, the mounting groove has been seted up on the lateral wall of the body of rod, the air vent has been seted up on the tank bottom inner wall of mounting groove, the flexure strip is located in the mounting groove and the lid closes the air vent sets up, just the flexure strip butt the inside wall setting of mounting groove.

Through adopting above-mentioned technical scheme, set up the mounting groove, when installation flexure strip, with the flexure strip card go into the mounting groove in, through the inside wall of flexure strip butt mounting groove and then carry on spacingly to the flexure strip, install fixedly again the flexure strip, reduced the condition that the skew takes place for the position in the flexure strip installation for it is more convenient to install the flexure strip.

Optionally, an elastic piece is arranged on the rod body, and the elastic piece surrounds the rod body.

Through adopting above-mentioned technical scheme, set up the elastic component, when the piston rod structure of this application was installed in the box on the air compressor machine to the leakproofness between increase body of rod and the box has reduced the condition that the air current in the box leaked from the edge of the body of rod and the gap department between the box inner wall, makes the effect of carrying out the exhaust through the piston rod structure of this application better.

Optionally, the body of rod includes the main part and sets up in lid in the main part, the elastic component be located the main part with between the lid, just the lid supports tightly the elastic component sets up, be provided with the retaining member on the lid, the retaining member with main part threaded connection.

Through adopting above-mentioned technical scheme, set up main part, lid and retaining member, when installation elastic component, place the elastic component between main part and lid, twist reverse the retaining member, drive the lid through the screw-thread fit between retaining member and the main part and support tight elastic component, and then support the elastic component tightly in the main part, can realize that the installation of elastic component is fixed to realize the location between main part and the lid, make the installation elastic component more convenient.

Optionally, the main part include the connecting block with set up in boss on the connecting block, the boss is located the connecting block is close to one side of lid, the mounting hole has been seted up on the lid, the mounting hole supplies the boss card is gone into, the mounting groove passes through the boss with the inner wall concatenation of mounting hole forms, the air vent with the flexure strip all set up in on the boss.

Through adopting above-mentioned technical scheme, set up boss and mounting hole, go into in the mounting hole through the boss card to the inner wall of butt mounting hole, and then make connecting block and lid aim at and realize the relative positioning, need not manual location connecting block and lid and make connecting block and lid aim at, make installation connecting block and lid more convenient.

Optionally, a limiting block is arranged on the cover body and located at a position, close to one side of the main body, of the cover body, a limiting groove is formed in the connecting block and used for the limiting block to be clamped in.

Through adopting above-mentioned technical scheme, set up stopper and spacing groove, when installation lid and connecting block, remove the lid and make the stopper card go into the spacing inslot, through the inner wall of stopper butt spacing groove and then carry on spacingly to the lid, improved the stability of location between lid and the connecting block, reduced the wearing and tearing between the inner wall of mounting hole and the boss for the body of rod is more durable.

Optionally, a fixing part is arranged on the elastic sheet, and the fixing part is in threaded connection with the rod body.

Through adopting above-mentioned technical scheme, back in the mounting groove is gone into to the flexure strip card, twist reverse the mounting, through the screw-thread fit of mounting and the body of rod, support the flexure strip tightly on the body of rod, can realize the installation location of flexure strip on the body of rod for it is more convenient to install the flexure strip.

The second aspect, this application provides an air compressor machine, adopts following technical scheme:

an air compressor comprises a box body and a motor arranged in the box body, wherein the box body is internally provided with a piston rod structure.

Through adopting above-mentioned technical scheme, reduced the staggered condition with the air vent in the flexure strip installation, improved the leakproofness between the body of rod and the box for it is better to carry out carminative effect through piston rod structure.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the mounting groove, when the elastic piece is mounted, the elastic piece is clamped into the mounting groove, and the elastic piece is limited by abutting against the inner side wall of the mounting groove, so that the situation that the position of the elastic piece deviates in the mounting process is reduced, and the elastic piece is more convenient to mount;

2. the connecting block and the cover body are aligned and relatively positioned by arranging the boss and the mounting hole and abutting the boss against the inner wall of the mounting hole, and the connecting block and the cover body are aligned without manually positioning the connecting block and the cover body, so that the connecting block and the cover body are more convenient to mount;

3. through setting up stopper and spacing groove, when installation lid and connecting block, go into the spacing inslot with the stopper card, through the inner wall of stopper butt spacing groove and then carry on spacingly to the lid, improved the stability of location between lid and the connecting block, reduced the wearing and tearing between the inner wall of mounting hole and the boss for the body of rod is more durable.

Drawings

FIG. 1 is an overall schematic view of an embodiment of the present application;

FIG. 2 is a structural diagram of the embodiment of the present application, cut away at the box, mainly showing the structure of the motor and the crankshaft;

FIG. 3 is a partial schematic structural view of the present embodiment, mainly showing the structure of the rod body;

FIG. 4 is a partial exploded view of the embodiment of the present application, mainly illustrating the structure of the vent holes;

fig. 5 is a schematic structural diagram of a part of the embodiment of the present application, which mainly shows a structure of the limiting block.

Description of reference numerals: 1. a box body; 2. a motor; 3. a rod body; 31. a main body; 311. connecting blocks; 312. a boss; 3121. a vent hole; 32. a cover body; 321. mounting holes; 4. an elastic sheet; 5. a crankshaft; 6. a limiting block; 61. a limiting groove; 7. a locking member; 8. mounting grooves; 9. a fixing member; 10. an elastic member.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses an air compressor machine. Referring to fig. 1 and 2, the air compressor includes box 1, motor 2 and two piston rod structures, and motor 2 is fixed in box 1, and two piston rod structures all are located box 1 to be located the relative both sides of motor 2 respectively. In this embodiment, the motor 2 is a biaxial stretching motor 2.

Referring to fig. 3 and 4, each of the piston rod structures includes a rod body 3 and an elastic sheet 4, the rod body 3 includes a main body 31 and a cover 32, and the main body 31 includes a connecting block 311 and a boss 312.

Referring to fig. 2 and 4, a crankshaft 5 is rotatably connected to the connecting block 311, the crankshaft 5 is located on one side of the connecting block 311 close to the motor 2, the crankshaft 5 is fixedly connected to one of the output shafts of the motor 2, and the motor 2 drives the crankshaft 5 to rotate. The rotation axis of the crankshaft 5 is arranged parallel to the rotation axis of the crankshaft 5 and the connecting block 311, and the rotation axis of the crankshaft 5 and the connecting block 311 is arranged in a staggered manner with the rotation axis of the crankshaft 5.

In practical use, the motor 2 drives the crankshaft 5 to rotate, and the crankshaft 5 drives the connecting block 311 to reciprocate, wherein the moving direction of the connecting block is perpendicular to the rotating axis of the crankshaft 5.

Referring to fig. 2 and 4, the boss 312 is located at one end of the connecting block 311 far away from the crankshaft 5 and is fixedly connected with the connecting block 311, the cover body 32 is located at one side of the boss 312 far away from the connecting block 311, a mounting hole 321 is formed in the end face of the cover body 32 close to the boss 312, the position of the mounting hole 321 corresponds to the position of the boss 312, the mounting hole 321 is used for the boss 312 to be clamped in, and the outer peripheral wall of the boss 312 is attached to the inner wall of the mounting hole 321.

Referring to fig. 4 and 5, the end face of the cover body 32 close to the connecting block 311 is fixed with the limiting block 6, the limiting block 6 is arranged in a circular ring shape, the mounting hole 321 is located in an area surrounded by the limiting block 6, the end face of the connecting block 311 close to the cover body 32 is provided with a limiting groove 61, the size and the position of the limiting groove 61 correspond to the size and the position of the limiting block 6, and the limiting groove 61 is used for the limiting block 6 to be clamped in.

Referring to fig. 4 and 5, two locking members 7 are further arranged on the cover body 32 in a penetrating manner, the two locking members 7 are located in an area surrounded by the limiting blocks 6 and located on two opposite sides of the mounting hole 321 respectively, and the two locking members 7 are both in threaded connection with the connecting block 311. In this embodiment, the locking member 7 is a bolt.

When installation lid 32 and connecting block 311, wear to establish the mounting hole 321 on the lid 32 with boss 312 on the connecting block 311, inner wall through boss 312 butt mounting hole 321 and then spacing to lid 32, go into the spacing inslot 61 on the connecting block 311 with stopper 6 card on the lid 32 again, inner wall through stopper 6 butt spacing groove 61, thereby carry out further spacing to lid 32, the stability of location between lid 32 and the connecting block 311 has been improved, twist reverse two retaining member 7 on the lid 32 after that, screw-thread fit through two retaining members 7 and connecting block 311, realize the location between lid 32 and the connecting block 311, can accomplish the installation of lid 32 and connecting block 311.

Referring to fig. 3 and 4, the outer side wall of the boss 312 away from the connecting block 311 and the inner wall of the mounting hole 321 are spliced to form a mounting groove 8. The end face of the boss 312, which is far away from the connecting block 311, is further provided with a vent hole 3121, and the vent hole 3121 is located at the bottom of the mounting groove 8. The flexure strip 4 sets up on boss 312, and the flexure strip 4 is located mounting groove 8 and closes air vent 3121 and sets up, and the inside wall setting of the lateral wall butt mounting groove 8 of flexure strip 4.

Referring to fig. 4, a fixing member 9 is inserted through the elastic sheet 4, the fixing member 9 is disposed in a staggered manner with respect to the vent 3121, and the fixing member 9 is inserted through the boss 312 toward a direction close to the boss 312 and is in threaded connection with the boss 312. In this embodiment, the fixing member 9 is a bolt.

Referring to fig. 2 and 4, the connection block 311 is provided with an elastic member 10, the elastic member 10 is located between the connection block 311 and the cover 32 and is disposed around the periphery of the connection block 311, and the elastic member 10 abuts against the inner wall of the box body 1. The cover 32 tightly presses the elastic member 10 against the connection block 311, thereby fixing the elastic member 10 on the connection block 311. In this embodiment, the elastic member 10 is a cup.

The implementation principle of an air compressor machine of the embodiment of the application is:

when installation flexure strip 4, go into the mounting groove 8 with flexure strip 4 card in, inside wall through flexure strip 4 butt mounting groove 8 and then carry on spacingly to flexure strip 4, at this moment, flexure strip 4 lid closes air vent 3121, twist reverse mounting 9 on the flexure strip 4 again, screw-thread fit through mounting 9 and boss 312, make mounting 9 support flexure strip 4 tightly on boss 312, and then realize that the installation of flexure strip 4 on boss 312 is fixed, the condition that the skew takes place for the position of flexure strip 4 in the installation, and then reduced the condition that staggers with air vent 3121 and lead to air vent 3121 to expose in the flexure strip 4 installation, the leakproofness between body of rod 3 and box 1 has been improved, it is better to make to carry out carminative effect through piston rod structure, and it is more convenient to make installation flexure strip 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (7)

1. The utility model provides a piston rod structure of air compressor machine, includes the body of rod (3) and set up in flexure strip (4) on the body of rod (3), its characterized in that: mounting groove (8) have been seted up on the lateral wall of the body of rod (3), air vent (3121) have been seted up on the tank bottom inner wall of mounting groove (8), flexure strip (4) are located in mounting groove (8) and lid close air vent (3121) set up, just flexure strip (4) butt the inside wall setting of mounting groove (8).

2. The piston rod structure of the air compressor of claim 1, wherein: an elastic piece (10) is arranged on the rod body (3), and the elastic piece (10) surrounds the rod body (3).

3. The piston rod structure of the air compressor of claim 2, wherein: the body of rod (3) include main part (31) and set up in lid (32) on main part (31), elastic component (10) are located main part (31) with between lid (32), just lid (32) support tightly elastic component (10) set up, be provided with retaining member (7) on lid (32), retaining member (7) with main part (31) threaded connection.

4. The piston rod structure of the air compressor of claim 3, wherein: main part (31) include connecting block (311) and set up in boss (312) on connecting block (311), boss (312) are located connecting block (311) are close to one side of lid (32), mounting hole (321) have been seted up on lid (32), mounting hole (321) supply boss (312) card is gone into, mounting groove (8) are passed through boss (312) with the inner wall concatenation of mounting hole (321) forms, air vent (3121) with flexure strip (4) all set up in on boss (312).

5. The piston rod structure of the air compressor as claimed in claim 4, wherein: be provided with stopper (6) on lid (32), stopper (6) are located lid (32) are close to one side of main part (31), spacing groove (61) have been seted up on connecting block (311), spacing groove (61) confession stopper (6) card is gone into.

6. The piston rod structure of the air compressor of claim 1, wherein: the elastic piece (4) is provided with a fixing piece (9), and the fixing piece (9) is in threaded connection with the rod body (3).

7. The utility model provides an air compressor machine, includes box (1) and set up in motor (2) in box (1), its characterized in that: the housing (1) further comprises a piston rod structure according to any one of claims 1-6.

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