A force-balanced single-screw air compressor

Abstract

The present invention is applicable to the technical field of air compressors and provides a force-balanced single-screw air compressor, including a body, a transverse plate arranged on the outside of the screw, and adjacent shells connected by a seamless connection mechanism; an elastic guide mechanism is symmetrically installed at both ends of the transverse plate, for reducing the influence of the transverse plate shaking; a real-time adjustment mechanism is connected to the elastic guide mechanism, for adjusting the opening size of the real-time adjustment mechanism during the reciprocating motion of the elastic guide mechanism, and dynamically adjusting the cooling oil flow passing through; one end of the air-cooling mechanism is connected to the inner wall of the body, and the other end of the air-cooling mechanism is abutted against the driving end of the elastic guide mechanism, and the cold air blown out by the fan blades on the air-cooling mechanism covers the shell; the present application can reduce the vibration caused by expansion, adjust the size of the oil supply channel opening, change the flow rate of the cooling oil, and automatically adjust the fan blade speed, and can keep the temperature of the air compressor within a controllable range while reducing vibration, so as to facilitate its smooth operation.

Description

Technical Field

[0001] The invention belongs to the technical field of air compressors, and in particular relates to a force-balanced single-screw air compressor. Background Art

[0002] The single-screw air compressor consists of a cylindrical screw and two symmetrically arranged planar star wheels forming a meshing pair and is installed in a casing. In addition to its simple structure, small size and no air valve components, it also has the advantages of high efficiency and energy saving, reasonable structure and ideal force stability, low vibration and noise, safe operation device and long service life.

[0003] After the air compressors currently in use have been working for a long time, the internal lubricating oil is reduced, and the lubrication effect is reduced, resulting in an increase in the temperature of the air compressor and a decrease in stability. To avoid the influence of high temperature, the existing air compressors use a special-shaped frame to push the airbag ring to move, squeezing the low-temperature gas into the heat dissipation cavity, and also push the piston rod to inject the oil in the oil filling seat into the bearing seat in a quantitative manner. However, when the internal temperature is too high, more cooling oil cannot be quickly delivered to the cavity, the cooling effect is limited, and the airbag ring becomes smaller, so the low-temperature gas released per unit time is limited. Summary of the Invention

[0004] The purpose of the embodiments of the present invention is to provide a force-balanced single-screw air compressor, aiming to solve the problems raised in the above background technology.

[0005] The embodiment of the present invention is implemented as follows: a force-balanced single-screw air compressor includes a body, a screw rotatably mounted on the body, and planetary gears arranged on both sides of the screw, and further includes:

[0006] A transverse plate is arranged on the outside of the screw, and a shell is also installed on the transverse plate, and adjacent shells are connected by a seamless connection mechanism;

[0007] An elastic guide mechanism, which is symmetrically mounted on both ends of the transverse plate, one end of which is connected to the machine body, and is used to reduce the impact of the transverse plate shaking;

[0008] An oil delivery pipe, the oil delivery pipe being mounted on the side of the housing, with a real-time adjustment mechanism mounted on one end of the oil delivery pipe. The real-time adjustment mechanism is connected to the movable end of the elastic guide mechanism, and the side of the real-time adjustment mechanism is also connected to a liquid supply pipe mounted on the body, for adjusting the opening size of the real-time adjustment mechanism during the reciprocating motion of the elastic guide mechanism to dynamically adjust the flow rate of cooling oil passing therethrough;

[0009] The air cooling mechanism is symmetrically arranged on the liquid supply pipe, one end of the air cooling mechanism is connected to the inner wall of the body, and the other end of the air cooling mechanism is abutted against the driving end of the elastic guide mechanism. The execution end of the air cooling mechanism is also equipped with fan blades, and the cold air blown out by the fan blades covers the shell to cool it down.

[0010] Preferably, the seamless connection mechanism includes a positioning ring installed at one end of the housing, a limit block provided on the inner side of the positioning ring, and an oil separator connected to the inner side of the positioning ring;

[0011] Wherein, the positioning ring and the limiting block are respectively located at the ends of adjacent shells;

[0012] A groove for the limiting block to slide is provided in the positioning ring, and an elastic support member 1 connected to the limiting block is arranged in the groove.

[0013] Preferably, the elastic guide mechanism includes sleeves mounted on both ends of the transverse plate, triangular blocks symmetrically arranged on the sleeves, and longitudinal guide rods abutting against the triangular blocks;

[0014] A T-shaped limit rod is installed on the inner wall of the body, and the T-shaped limit rod is slidably connected to the sliding groove provided on the longitudinal guide rod;

[0015] A positioning sleeve is also installed in the machine body, and the positioning sleeve is slidably connected to the longitudinal guide rod. A second elastic support member is provided at the end of the longitudinal guide rod, and the second elastic support member is connected to a separately arranged damper.

[0016] Preferably, the real-time adjustment mechanism comprises an inner ring, an outer ring and an outer gear ring arranged coaxially with the end of the oil pipeline;

[0017] Wherein, the outer gear ring is also engaged with a tooth plate installed on the side of the longitudinal guide rod;

[0018] A plurality of fixing rods are mounted on the outer ring, one end of each fixing rod is fixedly connected to the inner ring, and the other end is slidably connected to an annular groove provided on the inner side of the outer gear ring;

[0019] A guide rod is also slidably mounted on the inner ring and the outer ring, and one end of the guide rod abuts against a baffle provided on the side surface of the outer gear ring.

[0020] Preferably, the other end of the guide rod is provided with an arc rod, adjacent arc rods are connected by arc sleeves, and a fan plate is installed between the inner ring, the guide rod and the arc sleeve;

[0021] The arc-shaped sleeve and the fan plate are both made of rubber material.

[0022] Preferably, the air cooling mechanism comprises a fixed sleeve fixedly mounted on the liquid supply pipe and a guide plate slidably mounted on the fixed sleeve;

[0023] One end of the guide plate is connected to an elastic support member 4 installed on the inner wall of the machine body;

[0024] A set of rotating shafts is also installed on the liquid supply pipe, and gear 1 and gear 2 that mesh with each other are installed on the same end of the rotating shaft, wherein gear 1 also meshes with the teeth set in the middle of the guide plate, and gear 2 is connected to the fan blade.

[0025] Preferably, the end of the liquid supply pipe is communicated with an external oil storage tank, and oil is delivered to the liquid supply pipe under the action of a separately arranged pump body.

[0026] An embodiment of the present invention provides a force-balanced single-screw air compressor. When the single-screw air compressor is in use, the working area is divided into multiple areas. When the temperature of the corresponding area is too high, causing the transverse plate and the shell to expand, the elastic guide mechanism provided can reduce the vibration caused by the expansion, and cooperate with the real-time adjustment mechanism to adjust the size of the oil supply channel opening according to the expansion process, thereby changing the flow rate of the cooling oil. The elastic guide mechanism also amplifies the expansion amount through the air cooling mechanism and automatically adjusts the rotation speed of the fan blade. The entire adjustment process is driven by the expansion of the transverse plate or the shell, and the whole is dynamically adjusted in real time. While reducing vibration, the temperature of the air compressor can be kept within a controllable range to facilitate its smooth operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A structural schematic diagram of a force-balanced single-screw air compressor provided in an embodiment of the present invention;

[0028] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0029] Figure 3 for Figure 1 A partial enlarged view of point B in the middle

[0030] Figure 4 A three-dimensional structural diagram of a longitudinal guide rod in a force-balanced single-screw air compressor provided by an embodiment of the present invention;

[0031] Figure 5 for Figure 1 A partial enlarged view of point C in the middle;

[0032] Figure 6 A schematic structural diagram of a real-time adjustment mechanism in a force-balanced single-screw air compressor provided by an embodiment of the present invention;

[0033] Figure 7 for Figure 1 A partial enlarged view of point D in the middle.

[0034] In the figure: 1-body; 2-screw; 3-transverse plate; 4-housing; 5-positioning ring; 6-limiting block; 7-elastic support member 1; 8-oil distribution plate; 9-planetary gear; 10-sleeve; 11-triangular block; 12-longitudinal guide rod; 13-slide; 14-T-type limiting rod; 15-positioning sleeve; 16-elastic support member 2; 17-damper; 18-oil delivery pipe; 19-tooth plate; 20-outer gear ring; 21-inner ring; 22-outer ring; 23- Guide rod; 24-fixing rod; 25-annular groove; 26-elastic support member three; 27-baffle; 28-arc-shaped rod; 29-arc-shaped sleeve; 30-fan plate; 31-liquid supply pipe; 32-guide plate; 33-gear one; 34-gear two; 35-rotating shaft; 36-fan blade; 37-fixing sleeve; 38-elastic support member four; 100-seamless connection mechanism; 200-elastic guide mechanism; 300-real-time adjustment mechanism; 400-air cooling mechanism. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0036] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0037] like Figure 1-Figure 7As shown, a structural diagram of a force-balanced single-screw air compressor provided by an embodiment of the present invention includes a body 1, a screw 2 rotatably mounted on the body 1, and planetary gears 9, a transverse plate 3, an elastic guide mechanism 200, an oil pipe 18 and an air cooling mechanism 400 arranged on both sides of the screw 2. The transverse plate 3 is arranged on the outside of the screw 2, and a shell 4 is also mounted on the transverse plate 3. Adjacent shells 4 are connected by a seamless connection mechanism 100; the elastic guide mechanism 200 is symmetrically mounted at both ends of the transverse plate 3, and one end of the elastic guide mechanism 200 is connected to the body 1 to reduce the influence of the shaking of the transverse plate 3; the oil pipe 18 is mounted on the side of the shell 4, and one end of the oil pipe 18 is equipped with a real-time adjustment mechanism Structure 300, the real-time adjustment mechanism 300 is connected to the movable end of the elastic guide mechanism 200, and the side of the real-time adjustment mechanism 300 is also connected to the liquid supply pipe 31 installed on the body 1, for adjusting the opening size of the real-time adjustment mechanism 300 during the reciprocating motion of the elastic guide mechanism 200, and dynamically adjusting the cooling oil flow passing through; the air cooling mechanism 400 is symmetrically arranged on the liquid supply pipe 31, one end of the air cooling mechanism 400 is connected to the inner wall of the body 1, and the other end of the air cooling mechanism 400 is abutted against the driving end of the elastic guide mechanism 200, and the execution end of the air cooling mechanism 400 is also equipped with fan blades 36, and the cold air blown out by the fan blades 36 covers the shell 4 to facilitate cooling it.

[0038] During the specific implementation of this embodiment, when the single-screw air compressor is in use, the working area is divided into multiple areas. When the temperature of the corresponding area is too high, causing the transverse plate 3 and the shell 4 to expand, the elastic guide mechanism 200 provided can reduce the vibration caused by the expansion, and cooperate with the real-time adjustment mechanism 300 to adjust the size of the oil supply channel opening according to the expansion process, and change the flow rate of the cooling oil. The elastic guide mechanism 200 also amplifies the expansion amount through the air cooling mechanism 400 and automatically adjusts the rotation speed of the fan blade 36. The entire adjustment process is driven by the expansion of the transverse plate 3 or the shell 4, and the overall real-time dynamic adjustment is performed, which can keep the temperature of the air compressor within a controllable range while reducing vibration, so as to facilitate its smooth operation.

[0039] In one embodiment of the present invention, the end of the liquid supply pipe 31 is connected to an external oil storage tank, and oil is supplied to the liquid supply pipe 31 under the action of a separately arranged pump body. At the same time, in order to facilitate internal oil circulation, a return pipe is also required to be installed on the transverse plate 3 or the shell 4 to facilitate the exchange of hot and cold oil.

[0040] like Figure 1 and Figure 2 As shown in FIG. 1 , as a preferred embodiment of the present invention, the seamless connection mechanism 100 includes a positioning ring 5 installed at one end of the housing 4 , a limit block 6 provided inside the positioning ring 5 , and an oil separator 8 connected to the inside of the positioning ring 5 ;

[0041] The positioning ring 5 and the limiting block 6 are respectively located at the ends of the adjacent shell 4;

[0042] A groove for the limiting block 6 to slide is provided in the positioning ring 5 , and an elastic support member 7 connected to the limiting block 6 is arranged in the groove.

[0043] During the specific implementation of this embodiment, in actual use, when the amount of oil inside the shell 4 is too small and the temperature is too high, according to the principle of thermal expansion and contraction, the shell 4 expands outward, and the limit block 6 slides along the groove set in the positioning ring 5. At the same time, the elastic support member 7 is also subjected to force and elastically deformed, and the shell 4 also pushes the horizontal plates 3 set on both sides to move. In addition, the oil separation plate 8 mentioned in this embodiment has a certain penetration effect to facilitate the flow of cooling oil.

[0044] like Figure 1 、 Figure 3 、 Figure 4 and Figure 5 As shown in FIG. 1 , as another preferred embodiment of the present invention, the elastic guide mechanism 200 includes sleeves 10 mounted on both ends of the transverse plate 3 , triangular blocks 11 symmetrically arranged on the sleeves 10 , and longitudinal guide rods 12 abutting against the triangular blocks 11 ;

[0045] A T-shaped limiting rod 14 is installed on the inner wall of the body 1, and the T-shaped limiting rod 14 is slidably connected to the sliding groove 13 provided on the longitudinal guide rod 12;

[0046] A positioning sleeve 15 is further installed in the machine body 1 , and the positioning sleeve 15 is slidably connected to the longitudinal guide rod 12 . A second elastic support member 16 is provided at the end of the longitudinal guide rod 12 , and the second elastic support member 16 is connected to a separately arranged damper 17 .

[0047] During the specific implementation of this embodiment, in this embodiment, when the transverse plate 3 is offset, the sleeve 10 and the triangular block 11 move synchronously therewith, and the longitudinal guide rod 12 slides longitudinally along the T-shaped limit rod 14. At the same time, the elastic support member 16 is elastically deformed under the force, and cooperates with the damper 17 set inside the positioning sleeve 15, so that the longitudinal guide rod 12 can slide smoothly.

[0048] like Figure 1 、 Figure 3 and Figure 6 As shown, as another preferred embodiment of the present invention, the real-time adjustment mechanism 300 includes an inner ring 21, an outer ring 22 and an outer gear ring 20 arranged coaxially with the end of the oil pipeline 18;

[0049] The outer gear ring 20 is also engaged with the tooth plate 19 mounted on the side of the longitudinal guide rod 12;

[0050] A plurality of fixing rods 24 are mounted on the outer ring 22. One end of the fixing rod 24 is fixedly connected to the inner ring 21, and the other end is slidably connected to an annular groove 25 provided on the inner side of the outer gear ring 20.

[0051] A guide rod 23 is slidably mounted on the inner ring 21 and the outer ring 22 , and one end of the guide rod 23 abuts against a baffle 27 provided on a side surface of the outer gear ring 20 .

[0052] During the specific implementation of this embodiment, one side of the inner ring 21 in this embodiment is connected to the end of the oil pipeline 18, and the other side of the inner ring 21 is connected to the liquid supply pipe 31. When the longitudinal guide rod 12 slides, the tooth plate 19 at the corresponding position moves synchronously. Since the tooth plate 19 is engaged with the outer gear ring 20 on this side, the outer gear ring 20 is pushed to slide along the end of the fixed rod 24. The outer gear ring 20 also drives the baffles 27 at multiple positions to rotate synchronously so as to push the guide rod 23 to slide along the inner ring 21 and the outer ring 22. The elastic support member three 26 is elastically deformed under force. When the tooth plate 19 moves in the opposite direction, the elastic support member three 26 pushes the guide rod 23 to slide in the opposite direction along the inner ring 21 and the outer ring 22.

[0053] like Figure 6 As shown in FIG. 1 , as another preferred embodiment of the present invention, an arc-shaped rod 28 is provided at the other end of the guide rod 23 , adjacent arc-shaped rods 28 are connected by arc-shaped sleeves 29 , and a fan plate 30 is installed between the inner ring 21 , the guide rod 23 and the arc-shaped sleeves 29 ;

[0054] The arc-shaped sleeve 29 and the fan plate 30 are both made of rubber material.

[0055] During the specific implementation of this embodiment, when the elastic support member 3 26 slides along the inner ring 21, the arc rod 28 moves synchronously therewith. At the same time, the arc rod 28 also slides along the arc sleeve 29. The arc sleeve 29 and the fan plate 30 are stretched by force, thereby adjusting the size of the channel surrounded by the elastic support member 3 26 and the fan plate 30, and making real-time changes to the cooling oil flow passing through per unit time, so that when the transverse plate 3 and the shell 4 expand significantly, the diameter of the channel can be appropriately expanded, and when the expansion is small, the diameter of the channel can be relatively reduced.

[0056] like Figure 1 and Figure 7 As shown, as another preferred embodiment of the present invention, the air cooling mechanism 400 includes a fixed sleeve 37 fixedly mounted on the liquid supply pipe 31 and a guide plate 32 slidably mounted on the fixed sleeve 37;

[0057] One end of the guide plate 32 is connected to the elastic support member 38 mounted on the inner wall of the body 1;

[0058] A set of rotating shafts 35 are also installed on the liquid supply pipe 31, and gear 1 33 and gear 2 34 that mesh with each other are installed at the same end of the rotating shaft 35, wherein the gear 1 33 also meshes with the teeth set in the middle of the guide plate 32, and the gear 2 34 is connected to the fan blade 36.

[0059] During the specific implementation of this embodiment, the gear ratio of gear 1 33 and gear 2 34 is adjusted in this embodiment to amplify the offset of the triangular block 11 and adjust the rotation speed of the fan blade 36 to facilitate cooling of the shell 4. In actual use, when the triangular block 11 is offset, under the action of the elastic support member 4 38, the guide plate 32 slides along the fixed sleeve 37, and the movement direction of the guide plate 32 is adjusted according to the different expansions. Since the guide plate 32 is engaged with gear 1 33, and the gear 1 33 is engaged with gear 2 34, when the guide plate 32 slides, the fan blade 36 is driven to rotate rapidly by the provided gear 1 33 and gear 2 34 in turn. At the same time, ventilation holes can be provided on the side wall of the body 1 as needed.

[0060] In summary, when the shell 4 is overheated and expands outward, the elastic support member 7 is elastically deformed by the force, and the shell 4 also pushes the horizontal plates 3 set on both sides to move, and the sleeve 10 and the triangular block 11 move synchronously therewith. The longitudinal guide rod 12 slides in the longitudinal direction along the T-shaped limit rod 14 set, and the tooth plate 19 at the corresponding position moves synchronously therewith. Since the tooth plate 19 is engaged with the outer gear ring 20 on this side, the outer gear ring 20 is pushed to slide along the end of the fixed rod 24, and the outer gear ring 20 also carries The baffles 27 at multiple positions rotate synchronously to facilitate the guide rod 23 to slide along the inner ring 21 and the outer ring 22. The elastic support member 3 26 is elastically deformed under the force, and the arc rod 28 moves synchronously therewith. The arc rod 28 also slides along the arc sleeve 29. The arc sleeve 29 and the fan plate 30 are stretched under the force, thereby adjusting the size of the channel surrounded by the elastic support member 3 26 and the fan plate 30, and changing the cooling oil flow rate per unit time in real time. The cooling oil flows along the liquid supply pipe 31 through the cooling oil supply pipe 31. The oil enters the housing 4 through the provided oil delivery pipe 18 so as to discharge the high-temperature oil outward, thereby cooling the screw 2, the transverse plate 3, the housing 4 and the planetary gear 9. At the same time, when the triangular block 11 deviates, the guide plate 32 slides along the fixed sleeve 37 under the action of the elastic support member 4 38, and the movement direction of the guide plate 32 is adjusted according to the different expansions. Since the guide plate 32 is engaged with the gear 1 33, and the gear 1 33 is engaged with the gear 2 34, when the guide plate 32 slides, the fan blades 36 are driven to rotate rapidly through the provided gears 1 33 and 2 34 in sequence, thereby cooling the housing 4. The fan blades 36 cooperate with the flowing cooling oil to quickly reduce the air compressor to the specified operating temperature. When in use, this single-screw air compressor can reduce the vibration caused by expansion, adjust the size of the oil supply channel opening, change the flow rate of the cooling oil, and automatically adjust the speed of the fan blades 36. Therefore, the temperature of the air compressor can be kept within a controllable range while reducing vibration, so as to facilitate its stable operation.

[0061] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be embraced therein.

[0062] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A force-balanced single-screw air compressor comprising a body, a screw rotatably mounted on the body, and planetary gears disposed on both sides of the screw, characterized in that: Also includes: A transverse plate is arranged on the outside of the screw, and a shell is also installed on the transverse plate, and adjacent shells are connected by a seamless connection mechanism; An elastic guide mechanism, which is symmetrically mounted on both ends of the transverse plate, one end of which is connected to the machine body, and is used to reduce the impact of the transverse plate shaking; An oil delivery pipe, the oil delivery pipe being mounted on the side of the housing, with a real-time adjustment mechanism mounted on one end of the oil delivery pipe. The real-time adjustment mechanism is connected to the movable end of the elastic guide mechanism, and the side of the real-time adjustment mechanism is also connected to a liquid supply pipe mounted on the body, for adjusting the opening size of the real-time adjustment mechanism during the reciprocating motion of the elastic guide mechanism to dynamically adjust the flow rate of cooling oil passing therethrough; An air cooling mechanism is symmetrically arranged on the liquid supply pipe, one end of the air cooling mechanism is connected to the inner wall of the body, and the other end of the air cooling mechanism abuts against the driving end of the elastic guide mechanism. The execution end of the air cooling mechanism is also equipped with fan blades, and the cold air blown by the fan blades covers the shell to cool it; The elastic guide mechanism includes sleeves installed at both ends of the transverse plate, triangular blocks symmetrically arranged on the sleeves, and longitudinal guide rods abutting against the triangular blocks; A T-shaped limit rod is installed on the inner wall of the body, and the T-shaped limit rod is slidably connected to the sliding groove provided on the longitudinal guide rod; A positioning sleeve is also installed in the machine body, and the positioning sleeve is slidably connected to the longitudinal guide rod. A second elastic support member is provided at the end of the longitudinal guide rod, and the second elastic support member is connected to a separately arranged damper; The real-time adjustment mechanism includes an inner ring, an outer ring and an outer gear ring arranged coaxially with the end of the oil pipeline; Wherein, the outer gear ring is also engaged with a tooth plate installed on the side of the longitudinal guide rod; A plurality of fixing rods are mounted on the outer ring, one end of each fixing rod is fixedly connected to the inner ring, and the other end is slidably connected to an annular groove provided on the inner side of the outer gear ring; A guide rod is also slidably mounted on the inner ring and the outer ring, and one end of the guide rod abuts against a baffle provided on the side of the outer gear ring; The other end of the guide rod is provided with an arc rod, adjacent arc rods are connected by arc sleeves, and a fan plate is installed between the inner ring, the guide rod and the arc sleeve; The arc-shaped sleeve and the fan plate are both made of rubber material; The air cooling mechanism includes a fixed sleeve fixedly mounted on the liquid supply pipe and a guide plate slidably mounted on the fixed sleeve; One end of the guide plate is connected to an elastic support member 4 installed on the inner wall of the machine body; A set of rotating shafts is also installed on the liquid supply pipe, and gear 1 and gear 2 that mesh with each other are installed on the same end of the rotating shaft, wherein gear 1 also meshes with the teeth set in the middle of the guide plate, and gear 2 is connected to the fan blade.

2. The force-balanced single-screw air compressor according to claim 1, characterized in that: The seamless connection mechanism includes a positioning ring installed at one end of the housing, a limit block arranged on the inner side of the positioning ring, and an oil separation plate connected to the inner side of the positioning ring; Wherein, the positioning ring and the limiting block are respectively located at the ends of adjacent shells; A groove for the limiting block to slide is provided in the positioning ring, and an elastic support member 1 connected to the limiting block is arranged in the groove.

3. The force-balanced single-screw air compressor according to claim 1, characterized in that: The end of the liquid supply pipe is communicated with an external oil storage tank, and oil is transported to the liquid supply pipe under the action of a separately arranged pump body.

Images