阅读说明：本技术 一种往复式液压空气压缩机 (Reciprocating type hydraulic air compressor ) 是由 付相银 于 2021-09-15 设计创作，主要内容包括：本发明涉及机械产业技术领域,且公开了一种往复式液压空气压缩机,包括底座、位于底座内的压缩缸I和压缩缸II、位于压缩缸I和压缩缸II内的液压活塞、连接两个液压活塞的液压杆、位于压缩缸I和压缩缸II一侧的进气通道、进气阀、排气阀和排气通道,所述底座的中心开设有活动腔,所述活动腔的顶部活动套接有调压辊。本发明通过设计的撞击杆、换油辊、重力凸起、X形油道,使液压活塞在受液压油影响进行往复运动时,撞击杆能撞击重力凸起,使换油辊转动,并在打破平衡后,在重力凸起的重力影响下,使换油辊自由转动,从而使X形油道进行换向,使压缩缸I和压缩缸II内的进出油转向,从而使空压机在摆脱电子元件的情况下进行往复式气体输送。(The invention relates to the technical field of mechanical industry, and discloses a reciprocating type hydraulic air compressor which comprises a base, a compression cylinder I and a compression cylinder II which are positioned in the base, hydraulic pistons which are positioned in the compression cylinder I and the compression cylinder II, a hydraulic rod which is connected with the two hydraulic pistons, an air inlet channel, an air inlet valve, an air outlet valve and an air outlet channel which are positioned on one sides of the compression cylinder I and the compression cylinder II, wherein a movable cavity is formed in the center of the base, and the top of the movable cavity is movably sleeved with a pressure regulating roller. According to the invention, through the designed impact rod, the oil change roller, the gravity protrusion and the X-shaped oil duct, when the hydraulic piston reciprocates under the influence of hydraulic oil, the impact rod can impact the gravity protrusion to enable the oil change roller to rotate, and after balance is broken, the oil change roller freely rotates under the influence of the gravity protrusion, so that the X-shaped oil duct is reversed, oil inlet and outlet in the compression cylinder I and the compression cylinder II are turned, and the air compressor is enabled to carry out reciprocating gas conveying under the condition of getting rid of electronic elements.)

1. The utility model provides a reciprocating type hydraulic pressure air compressor, includes base (1), be located compression cylinder I (2) and compression cylinder II (3) in base (1), be located hydraulic piston (4) in compression cylinder I (2) and compression cylinder II (3), connect hydraulic stem (5) of two hydraulic piston (4), be located inlet channel (6), admission valve (7), discharge valve (8) and exhaust passage (9) of compression cylinder I (2) and compression cylinder II (3) one side, its characterized in that: the center of the base 1 is provided with a movable cavity (10), the top of the movable cavity (10) is movably sleeved with a pressure regulating roller (11), the middle of the pressure regulating roller (11) is fixedly connected with a driven gear (12), two symmetrical variable-diameter protrusions (13) are respectively and fixedly connected to two ends of the pressure regulating roller (11), an oil changing roller (14) is movably sleeved at the bottom of the movable cavity (10), the center top of the oil changing roller (14) is fixedly connected with two symmetrical gravity protrusions (15), symmetrical X-shaped oil channels (16) are respectively arranged in two ends of the oil changing roller (14), compensation grooves (161) are respectively arranged on the outer sides of two ends of the oil changing roller (14), a symmetrical oil channel (18) is arranged at the bottom of one end of the compression cylinder I (2) close to the center of the base (1), and a limit block (19) is fixedly connected to the bottom of the same end of the compression cylinder I (2), and the same end of compression cylinder I (2) has seted up the groove (22) of accomodating of activity groove (20) and symmetry, activity inslot (20) inside callipers have become chamber board (21), the one end fixedly connected with spring (23) of accomodating groove (22), the other end and the chamber board (21) fixed connection that becomes of spring (23), become chamber board (21) and be just exchanging the biography depression bar (211) of two symmetries of the one end middle part fixedly connected with of compression roller (11), the middle part top fixedly connected with initiative tooth (501) of hydraulic stem (5), and the middle part bottom fixedly connected with striker rod (502) of hydraulic stem (5), the oil inlet pipe way (17) and the oil outlet pipe way (171) of bottom one side fixedly connected with symmetry of base (1).

2. The reciprocating hydraulic air compressor of claim 1, wherein: the center bottom in activity chamber (10) is higher than the center of oil change roller (14), the winding has the torsional spring on pressure regulating roller (11), the one end and the activity chamber (10) fixed connection of torsional spring.

3. The reciprocating hydraulic air compressor of claim 1, wherein: the outer diameter of one of the reducing bulges (13) is gradually reduced in the anticlockwise direction, and the outer diameter of the other reducing bulge (13) is gradually reduced in the clockwise direction.

4. The reciprocating hydraulic air compressor of claim 1, wherein: the oil passage (18) and the X-shaped oil passage (16) are on the same plane, and the limiting block (19) is located at one end, far away from the center of the base (1), of the oil passage (18).

5. The reciprocating hydraulic air compressor of claim 1, wherein: pass depression bar (211) and run through base (1) to activity chamber (10) in, pass the center of depression bar (211) and pressure regulating roller (11) on same straight line, pass the one end that depression bar (211) is located activity chamber (10) and laminate with the outside of reducing arch (13).

6. The reciprocating hydraulic air compressor of claim 1, wherein: the driving teeth (501) are meshed with the driven teeth (12).

7. The reciprocating hydraulic air compressor of claim 1, wherein: trade oil roller (14) and be the I-shaped, trade the great both ends outside of oil roller (14) and all laminate with the inner wall in activity chamber (10), and put fixedly connected with rubber circle at the central point that is close to activity chamber (10), the protruding (15) of gravity is in the coplanar with impact rod (502), the top of the protruding (15) of gravity is twice from one point of impact rod (502) bottom and oil roller (14) center distance value with trading oil roller (14) center distance value.

8. The reciprocating hydraulic air compressor of claim 1, wherein: the cross section of the X-shaped oil passage (16) is in an X-like shape, the compensation groove (161) is communicated with an opening of the X-shaped oil passage (16), the arc length of the compensation groove (161) is twice of that of the opening of the X-shaped oil passage (16), the oil inlet pipeline (17) and one of the X-shaped oil passages (16) are located in the same plane, and the oil outlet pipeline (171) and the other X-shaped oil passage (16) are located in the same plane.

9. The reciprocating hydraulic air compressor of claim 1, wherein: the compression cylinder I (2) and the compression cylinder II (3) have the same internal structure.

Technical Field

The invention relates to the technical field of mechanical industry, in particular to a reciprocating type hydraulic air compressor.

Background

The hydraulic air compressor is characterized by that it utilizes the reciprocating motion of hydraulic control piston to make the piston implement gas compression and suction action to implement air compression process, and utilizes the reversal valve, i.e. the cooperation of electromagnetic reversal valve and displacement sensor to implement reciprocating motion of piston and utilizes the control of circuit board to attain the goal of implementing reversal motion of piston.

However, the circuit board of the air compressor is a non-standard part, and under the long-time operation of the air compressor, the electronic components are affected by vibration and high temperature to cause aging and abrasion, so that the oil liquid is failed to be reversed, the circuit board and the electronic components with high manufacturing cost need to be replaced, the subsequent maintenance cost is greatly increased, and the circuit board and the electronic components are affected by the oil liquid and the temperature, and small electronic components such as a displacement sensor are unstable and poor in reliability, so that the reciprocating piston motion of the air compressor cannot be met.

Disclosure of Invention

The invention provides a reciprocating hydraulic air compressor, aiming at the defects of the prior hydraulic air compressor in the background technology in the use process, and the reciprocating hydraulic air compressor has the advantages that hydraulic oil pushes a piston to perform reciprocating motion, the piston moves to drive an oil change roller to rotate, so that the oil way is changed to achieve the reversing purpose, the pressure regulating roller rotates to increase the volume of a compression cylinder when the oil way is disconnected, so that the piston performs pre-suction action, and the technical problems of reversing failure caused by aging and abrasion of electronic elements, cost increase caused by replacement of the electronic elements, and unstable reciprocating motion of the electronic elements due to the influence of oil and temperature in the background technology are solved.

The invention provides the following technical scheme: a reciprocating hydraulic air compressor comprises a base, a compression cylinder I and a compression cylinder II which are positioned in the base, hydraulic pistons which are positioned in the compression cylinder I and the compression cylinder II, hydraulic rods which are connected with the two hydraulic pistons, an air inlet channel, an air inlet valve, an air outlet valve and an air exhaust channel which are positioned on one side of the compression cylinder I and one side of the compression cylinder II, wherein a movable cavity is formed in the center of the base, a pressure regulating roller is movably sleeved at the top of the movable cavity, a driven tooth is fixedly connected to the middle of the pressure regulating roller, two symmetrical reducing bulges are fixedly connected to two ends of the pressure regulating roller respectively, an oil changing roller is movably sleeved at the bottom of the movable cavity, two symmetrical gravity bulges are fixedly connected to the center top of the oil changing roller, symmetrical X-shaped oil channels are formed in two ends of the oil changing roller, compensation grooves are formed in the outer sides of two ends of the oil changing roller, and symmetrical oil channels are formed in the bottom of one end, which is close to the center of the base, of the compression cylinder I, the compression cylinder I with end bottom fixedly connected with stopper, and the compression cylinder I with the end set up the groove of accomodating of activity groove and symmetry, the activity inslot joint has the chamber board of becoming, accomodate the one end fixedly connected with spring in groove, the other end and the chamber board fixed connection that becomes of spring, become the chamber board and be just exchanging the biography pressure pole of two symmetries of the one end middle part fixedly connected with of compression roller, the middle part top fixedly connected with initiative tooth of hydraulic stem, and the middle part bottom fixedly connected with striker rod of hydraulic stem, the oil inlet pipe way and the play oil pipe way of bottom one side fixedly connected with symmetry of base.

Preferably, the center bottom in activity chamber is higher than the center of oil change roller, the winding has the torsional spring on the pressure regulating roller, the one end and the activity chamber fixed connection of torsional spring.

Preferably, the outer diameter of one of the reducing protrusions is gradually reduced in the counterclockwise direction, and the outer diameter of the other of the reducing protrusions is gradually reduced in the clockwise direction.

Preferably, the oil passage and the X-shaped oil passage are on the same plane, and the limiting block is located at one end, far away from the center of the base, of the oil passage.

Preferably, the pressure transmission rod penetrates through the base to the movable cavity, the pressure transmission rod and the center of the pressure adjusting roller are on the same straight line, and one end of the pressure transmission rod, which is located in the movable cavity, is attached to the outer side of the variable-diameter protrusion.

Preferably, the driving teeth are meshed with the driven teeth.

Preferably, the oil change roller is I-shaped, the great both ends outside of oil change roller all with the inner wall laminating in activity chamber, and put fixedly connected with rubber circle at the central point that is close to the activity chamber, the protruding and striking rod of gravity is in the coplanar, the bellied top of gravity is twice from one point of value with the oil change roller center distance value with the striking rod bottom.

Preferably, the cross section of the X-shaped oil passage is similar to an X shape, the compensation groove is communicated with an opening of the X-shaped oil passage, the arc length of the compensation groove is twice of that of the opening of the X-shaped oil passage, the oil inlet pipeline and one of the X-shaped oil passages are in the same plane, and the oil outlet pipeline and the other X-shaped oil passage are in the same plane.

Preferably, the compression cylinder I and the compression cylinder II have the same structure.

The invention has the following beneficial effects:

1. according to the invention, through the designed impact rod, the oil change roller, the gravity protrusion and the X-shaped oil duct, when the hydraulic piston reciprocates under the influence of hydraulic oil, the impact rod can impact the gravity protrusion to enable the oil change roller to rotate, and after balance is broken, the oil change roller freely rotates under the influence of the gravity protrusion, so that the X-shaped oil duct is reversed, oil inlet and outlet in the compression cylinder I and the compression cylinder II are turned, and the air compressor is enabled to carry out reciprocating gas conveying under the condition of getting rid of electronic elements.

2. According to the invention, through the designed driving teeth, the pressure regulating roller, the driven teeth, the reducing protrusions and the cavity changing plate, when the hydraulic piston reciprocates, the driving teeth can be meshed with the driven teeth, so that the pressure regulating roller rotates, the torsion spring on the pressure regulating roller stores force, the gravity protrusions rotate under the influence of gravity, and when the X-shaped oil passage is not communicated with a hydraulic oil system, the pressure regulating roller can return under the action of the torsion spring, the reducing protrusions of the compression cylinder at one side of the compression cylinder which does extrusion motion rotate, the diameter of the reducing protrusions is reduced, so that after the pressure transmission rod loses extrusion force, the cavity changing plate retracts into the movable groove, the volume of the compression cylinder at one side of the compression cylinder which does extrusion motion is increased, the hydraulic piston in the compression cylinder at one side of the compression cylinder which does extrusion motion does suction motion, and the reciprocating motion of the compression cylinder cannot be interrupted.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing the state of a hydraulic rod during a compression movement in a compression cylinder I according to the present invention;

FIG. 3 is a schematic view of a pressure regulating roller according to the present invention;

FIG. 4 is an enlarged view of a portion of the structure shown in FIG. 3A according to the present invention;

FIG. 5 is a schematic view of the state of the pressure regulating roller during the compression movement in the compression cylinder I according to the present invention;

FIG. 6 is a schematic view of the state of the X-shaped oil passage during the compression movement in the compression cylinder II according to the present invention;

FIG. 7 is a schematic view of the state of the X-shaped oil passage during the compression movement in the compression cylinder I according to the present invention;

FIG. 8 is a schematic view of a movable chamber according to the present invention;

FIG. 9 is a schematic view of a driven tooth according to the present invention;

fig. 10 is a schematic structural view of the oil change roller of the present invention.

In the figure: 1. a base; 2. a compression cylinder I; 3. a compression cylinder II; 4. a hydraulic piston; 5. a hydraulic lever; 501. a driving tooth; 502. a striker bar; 6. an air intake passage; 7. an intake valve; 8. an exhaust valve; 9. an exhaust passage; 10. a movable cavity; 11. a pressure regulating roller; 12. a driven tooth; 13. reducing bulges; 14. oil changing rollers; 15. a gravity bulge; 16. an X-shaped oil passage; 161. a compensation groove; 17. an oil inlet pipeline; 171. an oil outlet pipeline; 18. an oil passage; 19. a limiting block; 20. a movable groove; 21. a cavity-variable plate; 211. a pressure transmission rod; 22. a receiving groove; 23. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3 and 4-9, a reciprocating hydraulic air compressor includes a base 1, a compression cylinder I2 and a compression cylinder II3 located in the base 1, hydraulic pistons 4 located in the compression cylinder I2 and the compression cylinder II3, a hydraulic rod 5 connecting the two hydraulic pistons 4, an air inlet channel 6 located at one side of the compression cylinder I2 and the compression cylinder II3, an air inlet valve 7, an air outlet valve 8 and an air outlet channel 9, a movable chamber 10 is opened at the center of the base 1, the bottom end of the center of the movable chamber 10 is higher than the center of an oil change roller 14, so that when an impact rod 502 impacts a gravity protrusion 15 during moving to rotate the oil change roller 14, the oil change roller 14 can complete the change of an oil inlet and outlet channel within a short time, a pressure regulating roller 11 is movably sleeved at the top of the movable chamber 10, a torsion spring is wound on the pressure regulating roller 11, one end of the torsion spring is fixedly connected with the movable chamber 10, so that when the pressure regulating roller 11 rotates, the torsion spring can accumulate force and drive the pressure regulating roller 11 to rotate in subsequent actions, the middle part of the pressure regulating roller 11 is fixedly connected with a driven tooth 12, two symmetrical reducing protrusions 13 are respectively and fixedly connected to two ends of the pressure regulating roller 11, the outer diameter of one of the reducing protrusions 13 is gradually reduced in the anticlockwise direction, the outer diameter of the other reducing protrusion 13 is gradually reduced in the clockwise direction, when the hydraulic piston 4 moves, the driven tooth 12 can be driven by the driving tooth 501 on the hydraulic rod 5, the pressure regulating roller 11 rotates, the contact point of the two symmetrical reducing protrusions 13 and the pressure transmission rods 211 on two sides can be changed continuously in the rotating process, the variable cavity plate 21 on one side is driven to retract into the movable groove 20, the variable cavity plate 21 on the other side is popped out of the movable groove 20, and the volume change of the compression cylinder I2 and the compression cylinder II3 is completed.

Referring to fig. 1-7, the compression cylinder I2 and the compression cylinder II3 have the same structure, the bottom of the end of the compression cylinder I2 close to the center of the base 1 is provided with symmetrical oil passages 18, the oil passages 18 and the X-shaped oil passage 16 are on the same plane, so that the X-shaped oil passage 16 can be always communicated with the oil passages 18 under the rotation of the oil changing roller 14, thereby completing the oil transportation, the bottom of the same end of the compression cylinder I2 is fixedly connected with a limit block 19, the limit block 19 is located at the end of the oil passage 18 far from the center of the base 1, so that the limit block 19 limits the moving range of the hydraulic piston 4, thereby avoiding the situation that the oil passage 18 is blocked due to excessive movement of the hydraulic piston 4 and the oil cannot be normally transported, the same end of the compression cylinder I2 is provided with a movable groove 20 and symmetrical accommodating grooves 22, a cavity changing plate 21 is clamped in the movable groove 20, one end of the accommodating groove 22 is fixedly connected with a spring 23, the other end of spring 23 and become chamber board 21 fixed connection, become chamber board 21 and just exchange two symmetrical biography pressure poles 211 of one end middle part fixedly connected with of pressure regulating roller 11, pass pressure pole 211 runs through base 1 to activity chamber 10 in, pass pressure pole 211 and pressure regulating roller 11's center is on the same straight line, pass the one end that pressure pole 211 is located activity chamber 10 and the protruding 13 outside laminating of reducing, make reducing protruding 13 when rotating, pass pressure pole 211 can rather than the external diameter contact that changes to make become chamber board 21 accomplish the action of popping out and retracting the activity groove.

Referring to fig. 1-3, 5, 8 and 10, a driving tooth 501 is fixedly connected to the top end of the middle portion of the hydraulic rod 5, the driving tooth 501 is engaged with the driven tooth 12, so that when the hydraulic piston 4 is subjected to pressure movement of hydraulic oil, the driving tooth 501 can engage with the driven tooth 12 to rotate the pressure-regulating roller 11, so as to enable a torsion spring on the pressure-regulating roller 11 to store energy, and simultaneously, the oil-changing roller 14 can rotate rapidly under the self-weight of the gravity protrusion 15, when the oil flow channel is closed, the torsion spring storing energy can drive the pressure-regulating roller 11 to rotate, so that the driven tooth 12 engages with the driving tooth 501, so as to enable the hydraulic piston 4 on one side of the compression movement to perform suction movement, and at the same time, the rotation of the pressure-regulating roller 11 enables the cavity-changing plate 21 on one side of the compression movement to retract into the movable groove 20, so as to increase the volume of the compression cylinder on one side of the compression movement, so that the oil in the closed state can have a space for backflow in the suction movement of the hydraulic piston 4, the hydraulic piston 4 completes the pre-pumping movement unhindered before the oil flow channel is opened, the bottom end of the middle part of the hydraulic rod 5 is fixedly connected with an impact rod 502, the bottom of the movable cavity 10 is movably sleeved with an oil change roller 14, the oil change roller 14 is in an I shape, the top of the center of the oil change roller 14 is fixedly connected with two symmetrical gravity protrusions 15, the gravity protrusions 15 and the impact rod 502 are in the same plane, the distance value between the top end of the gravity protrusion 15 and the center of the oil change roller 14 is one point twice of the distance value between the bottom end of the impact rod 502 and the center of the oil change roller 14, so that the impact rod 502 can impact the gravity protrusions 15 in the moving process and extrude the gravity protrusions 15 to rotate and press downwards continuously, the gravity protrusions 15 on the other side are lifted, the extrusion force of the impact rod 502 to the gravity protrusions 15 is removed after the balance of the two gravity protrusions 15 is broken in the rotating process, and the gravity protrusions 15 which are pressed downwards can complete the rotation of the subsequent oil change roller 14 under the dead weight, symmetrical X-shaped oil ducts 16 are formed in two ends of the oil changing roller 14, the cross section of each X-shaped oil duct 16 is in an X shape, a flow channel can be always communicated with the oil inlet pipeline 17 and the oil channel 18 after the oil changing roller 14 rotates, the oil outlet pipeline 171 and the oil channel 18 ensure oil conveying, the outer sides of the two larger ends of the oil changing roller 14 are attached to the inner wall of the movable cavity 10, a rubber ring is fixedly connected to the position close to the center of the movable cavity 10, oil cannot be led into the movable cavity 10 from an opening in the rotating process of the X-shaped oil ducts 16, oil film protection is formed at the attachment position of the oil changing roller 14 and the movable cavity 10 by the oil, the oil changing roller 14 is easy to rotate, hard friction abrasion is avoided, and the service life is prolonged.

Referring to fig. 6-7 and 10, the outer sides of the two ends of the oil change roller 14 are respectively provided with a compensation groove 161, the compensation groove 161 is communicated with the opening of the X-shaped oil passage 16, the arc length of the compensation groove 161 is twice of the arc length of the opening of the X-shaped oil passage 16, so that the position of the X-shaped oil passage 16 begins to change when the impact rod 502 extrudes the gravity protrusion 15 to rotate the oil change roller 14, at this time, the compensation groove 161 is still communicated with the oil inlet pipeline 17, the oil outlet pipeline 171 and the oil passage 18, so that the oil is kept conveyed, and the situation of incomplete gas compression caused by the straight end conveying is avoided, one side of the bottom of the base 1 is fixedly connected with the symmetrical oil inlet pipeline 17 and the oil outlet pipeline 171, the oil inlet pipeline 17 and one of the X-shaped oil passages 16 are in the same plane, the oil outlet pipeline 171 and the other X-shaped oil passage 16 are in the same plane, so that the oil change roller 14 rotates, and the two X-shaped oil passages 16 can always respectively communicate with the oil inlet pipeline 17, the oil passage 171, the oil passage 16, the oil inlet pipeline, the oil passage 16, and the oil passage 16 and the oil passage, Oil outlet pipe 171 is connected to ensure the flow reversal and ensure the reciprocating compression process of compression cylinder I2 and compression cylinder II 3.

The use method (working principle) of the invention is as follows:

firstly, the hydraulic air compressor is started, at this time, hydraulic oil enters the compression cylinder I2 through the oil inlet pipeline 17, the oil inlet compensating groove 161, the oil inlet X-shaped oil passage 16, the oil inlet compensating groove 161 and the oil inlet oil passage 18, so that the hydraulic piston 4 in the compression cylinder I2 performs extrusion motion, compressed gas in the compression cylinder I2 pushes open the exhaust valve 8 of the compression cylinder I2 and is exhausted through the exhaust passage 9, at this time, the hydraulic piston 4 in the compression cylinder II3 performs suction action, the intake valve of the compression cylinder II3 is opened, so that gas enters the compression cylinder II3, at this time, hydraulic oil in the compression cylinder II3 is discharged through the oil outlet oil passage 18, the oil outlet compensating groove 161, the oil outlet X-shaped oil passage 16, the oil outlet compensating groove 161 and the oil outlet pipeline 171, at the same time, the impact rod 502 is driven by the hydraulic rod 5, moves from one end of the compression cylinder II3 to one end of the compression cylinder I2, and the driving teeth 501 are engaged with the driven oil outlet teeth 12, the pressure regulating roller 11 is rotated anticlockwise, the diameter changing bulge 13 on the right side is rotated, the pressure transmission rod 211 on the right side is jacked up by the diameter changing bulge 13 on the right side, the cavity changing plate 21 on the right side moves towards the compression cylinder I2, the volume of the compression cylinder I2 is reduced, meanwhile, the acting force of the diameter changing bulge 13 on the left side on the pressure transmission rod 211 on the left side is gradually reduced, the spring 23 drives the cavity changing plate 21 on the left side to retract into the movable groove 20, and the volume of the compression cylinder II3 is increased;

then, when the striking rod 502 continues to move, the striking rod 502 will strike the gravity protrusion 15 on one side of the compression cylinder I2 to press it down, so that the oil change roller 14 rotates clockwise, at this time, the gravity protrusion 15 on one side of the compression cylinder II3 is lifted up, so that the X-shaped oil passage 16 rotates, at this time, the compensation groove 161 still enables the hydraulic system to operate normally when rotating, when the position of the gravity protrusion 15 on one side of the compression cylinder I2 is lower than that of the gravity protrusion 15 on one side of the compression cylinder II3, the gravity protrusion 15 on one side of the compression cylinder I2 presses down rapidly under the action of gravity, so that the oil change roller 14 rotates rapidly, at this time, the compensation groove 161 is not communicated with the hydraulic system, and at the same time, after the torsion spring accumulated on the pressure adjustment roller 11 loses the acting force of the hydraulic oil, the pressure adjustment roller 11 rotates to reset clockwise, so that the diameter-changing protrusion 13 on the right side rotates, so that the diameter-changing protrusion 13 on the right side gradually loosens the extrusion force of the right-side pressure transmission rod 211, so that the spring 23 gradually drives the cavity-changing plate 21 on the right side to retract into the movable groove 20, the volume of the compression cylinder I2 is gradually increased, the driven teeth 12 drive the hydraulic rod 5 to move towards the compression cylinder II3 through the driving teeth 501, the hydraulic piston 4 in the compression cylinder I2 performs suction motion, the hydraulic piston 4 in the compression cylinder II3 performs compression motion, and meanwhile, the variable-diameter bulge 13 on the left side and the variable-cavity plate 21 perform opposite motion;

finally, when the gravity protrusion 15 on one side of the compression cylinder I2 is limited by the bottom of the movable cavity 10 to reach the lowest point, the X-shaped oil passage 16 is communicated with the hydraulic oil system through the compensation groove 161 again, at this time, the hydraulic oil enters the compression cylinder II3 through the oil inlet pipeline 17, the oil inlet compensation groove 161, the oil inlet X-shaped oil passage 16, the oil inlet compensation groove 161 and the oil inlet oil passage 18, at this time, the hydraulic oil in the compression cylinder I2 discharges the hydraulic oil through the oil discharge oil passage 18, the oil discharge compensation groove 161, the oil discharge X-shaped oil passage 16, the oil discharge compensation groove 161 and the oil outlet pipeline 171, so that the air compressor performs the reciprocating motion to discharge the compressed gas.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.