阅读说明：本技术 一种活塞式压缩制冷机吸排气辅助设备 (Air suction and exhaust auxiliary equipment of piston type compression refrigerating machine ) 是由 高金桥 于 2020-07-10 设计创作，主要内容包括：本发明涉及制冷机吸排气辅助技术领域,且公开了一种活塞式压缩制冷机吸排气辅助设备,包括壳体,所述壳体的内部开始有中空通道,中空通道的表面活动连接有活塞块,活塞块的背部固定活动连接有连杆,活塞块的表面活动连接有拉环,拉环的表面活动连接有拉绳,拉绳远离拉环的一端活动连接有往复弹簧,往复弹簧远离拉绳的一端活动连接有绕丝杆。当活塞块由壳体的右侧移动至左侧时,此时拉绳对往复弹簧的拉力变小,故往复弹簧在自身弹力的作用下将拉绳收卷回来,且随着活塞块的移动,壳体内部的气流压强变大,故会从气口流出吹在抽吸叶的表面,故抽吸叶反向旋转帮助壳体中的气体排出,故从而达到了辅助活塞块吸排气体的效果。(The invention relates to the technical field of refrigerator air suction and exhaust assistance, and discloses a piston type compression refrigerator air suction and exhaust assistance device which comprises a shell, wherein a hollow channel is arranged in the shell, the surface of the hollow channel is movably connected with a piston block, the back of the piston block is fixedly and movably connected with a connecting rod, the surface of the piston block is movably connected with a pull ring, the surface of the pull ring is movably connected with a pull rope, one end of the pull rope, far away from the pull ring, is movably connected with a reciprocating spring, and one end of the reciprocating spring, far away from the pull rope, is movably. When the piston block moved to the left side by the right side of casing, the stay cord became little to reciprocating spring's pulling force this moment, and the event reciprocating spring rolled back the stay cord under self elastic force's effect, and along with the removal of piston block, the inside air current pressure intensity grow of casing, and the event can be blown from the gas port outflow and blow the surface at the suction vane, and the event suction vane counter-rotation helps the gas in the casing to discharge, so reached the effect of supplementary piston block suction exhaust gas.)

1. The utility model provides a piston compression refrigeration machine air suction and exhaust auxiliary assembly, includes casing (1), its characterized in that: the inside of casing (1) begins to have cavity passageway (2), the surperficial swing joint of cavity passageway (2) has piston block (3), the fixed swing joint in back of piston block (3) has connecting rod (4), the surface swing joint of piston block (3) has pull ring (5), the surface swing joint of pull ring (5) has stay cord (6), the one end swing joint that pull ring (5) were kept away from in stay cord (6) has reciprocating spring (7), the one end swing joint that stay cord (6) were kept away from in reciprocating spring (7) has wire winding rod (8), the upper end fixedly connected with pivot (9) of wire winding rod (8), the upper end swing joint of pivot (9) has engaging wheel (10), the equal swing joint in both sides of engaging wheel (10) has buffer box (11), one side swing joint that engaging wheel (10) were kept away from in buffer box (11) has suction leaf (12).

2. A suction and discharge auxiliary apparatus for a piston type compression refrigerator as claimed in claim 1, wherein: the number of the rotating shafts (9) and the reciprocating springs (7) is two, and the rotating shafts and the reciprocating springs are symmetrically distributed on two sides of the meshing wheel (10).

3. A suction and discharge auxiliary apparatus for a piston type compression refrigerator as claimed in claim 1, wherein: the back of the reciprocating spring (7) is movably connected with a sealing plate (13), and the length of the sealing plate (13) is matched with that of the shell (1).

4. A suction and discharge auxiliary apparatus for a piston type compression refrigerator as claimed in claim 1, wherein: and a voltage-stabilizing tube (14) is fixedly connected to the surface of the shell (1) and is positioned at the bottom of the sealing plate (13).

5. A suction and discharge auxiliary apparatus for a piston type compression refrigerator as claimed in claim 1, wherein: the connecting part of the rotating shaft (9) and the wire winding rod (8) is fixedly and movably connected with a supporting frame (15), and the supporting frame (15) is designed in a rectangular shape.

6. A suction and discharge auxiliary apparatus for a piston type compression refrigerator as claimed in claim 5, wherein: the surface of the support frame (15) is provided with two air ports (16), and the number of the air ports (16) is two.

7. A suction and discharge auxiliary apparatus for a piston type compression refrigerator as claimed in claim 4, wherein: and an arc-shaped ring (17) is fixedly connected inside the voltage-stabilizing tube (14).

Technical Field

The invention relates to the technical field of refrigerator air suction and exhaust assistance, in particular to air suction and exhaust assistance equipment for a piston type compression refrigerator.

Background

The piston type compressor is a compressor which pressurizes and conveys gas by means of reciprocating motion of a piston; belongs to a volume type compressor, also known as a reciprocating piston compressor or a reciprocating compressor; the compression mechanism mainly comprises a working cavity, a transmission component, a machine body and an auxiliary component, and has the advantages of wide applicable pressure range, high compression efficiency and the like.

The air suction and exhaust process of the existing piston compressor completely depends on the movement of the piston block, and the method has the following result that the working efficiency of the air suction and exhaust of the piston block is greatly reduced if the sealing performance in the shell of the compressor is poor.

Disclosure of Invention

In order to achieve the purposes of sucking and exhausting gas and assisting to strengthen the sealing property of the shell, the invention provides the following technical scheme: the utility model provides a piston compression refrigerator air suction and exhaust auxiliary assembly, which comprises a housin, the inside of casing begins to have the cavity passageway, the surperficial swing joint of cavity passageway has the piston piece, the fixed swing joint in back of piston piece has the connecting rod, the surperficial swing joint of piston piece has the pull ring, the surperficial swing joint of pull ring has the stay cord, the one end swing joint that the pull ring was kept away from to the stay cord has reciprocal spring, the one end swing joint that the stay cord was kept away from to reciprocal spring has the wire winding rod, the upper end fixedly connected with pivot of wire winding rod, the upper end swing joint of pivot has the meshing wheel, the equal swing joint in the left and right.

The invention has the beneficial effects that:

1. the piston block is placed on the surface of the hollow channel, the driving part is started to enable the piston block to work, when the piston block moves from the left side of the shell to the right side of the shell, the air suction process is performed, along with the movement of the piston block, the pulling rope can be pulled to be tight and leaves the surface of the wire winding rod through the reciprocating spring, so the wire winding rod can be pulled to rotate, the rotation of the wire winding rod can drive the rotating shaft to rotate, the rotating shaft drives the suction blade to rotate forwards through the meshing wheel, the suction blade rotates to suck external air flow into the shell through the air port to help the piston block to perform suction work, otherwise, when the piston block moves from the right side to the left side of the shell, the air exhaust process is performed, the pulling force of the pulling rope on the reciprocating spring is reduced, the pulling rope is wound back by the reciprocating spring under the action of self elastic force, along with the movement of the piston block, the air flow pressure inside the shell is increased, so the air flow flows out, therefore, the suction blades rotate reversely to help the air in the shell to be discharged, and the effect of assisting the piston block to suck and discharge the air is achieved.

2. The states of the pull rope and the reciprocating spring can be changed when the piston block moves, when the piston block inhales air, the rotating shaft rotates to lose the tension of the reciprocating spring on the upper portion, so that the reciprocating spring releases elasticity to push the sealing plate to move towards the direction close to the pressure stabilizing tube, namely, the pressure stabilizing tube is further blocked and sealed, otherwise, when the piston block exhausts air, the suction blade is blown by air flow to rotate to drive the rotating shaft to rotate, the rotating shaft rotates reversely to pull the reciprocating spring and enable the sealing plate to leave the surface of the pressure stabilizing tube, the air exhaust is facilitated, the air flow pressure in the shell is reduced, and the effect of assisting in strengthening the sealing performance of the shell is achieved.

Preferably, the number of the rotating shaft and the reciprocating spring is two, and the rotating shaft and the reciprocating spring are symmetrically distributed on two sides of the meshing wheel.

Preferably, the back of the reciprocating spring is movably connected with a sealing plate, and the length of the sealing plate is matched with that of the shell.

Preferably, a voltage stabilizing tube is fixedly connected to the surface of the shell and the bottom of the sealing plate.

Preferably, a support frame is fixedly and movably connected at the joint of the rotating shaft and the wire winding rod. The support frame is designed to be rectangular.

Preferably, the surface of the support frame is provided with two air ports.

Preferably, the interior of the voltage-stabilizing tube is fixedly connected with an arc-shaped ring.

Drawings

FIG. 1 is a front cross-sectional view of the housing construction of the present invention;

FIG. 2 is a schematic view of a sealing plate according to the present invention;

FIG. 3 is a schematic view of a suction vane according to the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3.

In the figure: 1. a housing; 2. a hollow channel; 3. a piston block; 4. a connecting rod; 5. a pull ring; 6. pulling a rope; 7. a reciprocating spring; 8. winding a screw rod; 9. a rotating shaft; 10. an engaging wheel; 11. a buffer tank; 12. sucking the leaves; 13. a sealing plate; 14. a voltage stabilizing tube; 15. a support frame; 16. a gas port; 17. an arc-shaped ring;

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. 1-4, an auxiliary device for air suction and exhaust of a piston type compression refrigerator comprises a housing 1, wherein a surge tank 14 is fixedly connected to the surface of the housing 1 and the bottom of a sealing plate 13; a hollow channel 2 is arranged in the shell 1, the surface of the hollow channel 2 is movably connected with a piston block 3, and the back of the piston block 3 is fixedly and movably connected with a connecting rod 4; when the piston block 3 inhales air, the rotating shaft 9 rotates to lose the pulling force on the reciprocating spring 7 at the upper part, so that the reciprocating spring 7 releases elastic force to push the sealing plate 13 to move towards the direction close to the pressure stabilizing tube 14, namely the pressure stabilizing tube 14 is further blocked and sealed, otherwise, when the piston block 3 exhausts air, the suction blade 12 is blown by air flow to rotate to drive the rotating shaft 9 to rotate in the positive direction, the rotating shaft 9 rotates in the reverse direction to pull the reciprocating spring 7 and enable the sealing plate 13 to leave the surface of the pressure stabilizing tube 14, the air exhaust is facilitated, the air flow pressure in the shell 1 is reduced, and the effect of assisting in strengthening the sealing performance of the shell 1 is achieved.

The surface swing joint of piston piece 3 has pull ring 5, and the surface swing joint of pull ring 5 has stay cord 6, and the one end swing joint that pull ring 5 was kept away from to stay cord 6 has reciprocal spring 7, and the back swing joint of reciprocal spring 7 has closing plate 13, the length of closing plate 13 and the length looks adaptation of casing 1.

When the piston block 3 moves from the left side of the shell 1 to the right side of the shell 1, in the air suction process, along with the movement of the piston block 3, the pull rope 6 is pulled to be tight and leaves the surface of the wire winding rod 8 through the reciprocating spring 7, so the wire winding rod 8 is pulled to rotate, the wire winding rod 8 rotates to drive the rotating shaft 9 to rotate, the rotating shaft 9 rotates to drive the suction blade 12 to rotate forward through the meshing wheel 10, the suction blade 12 rotates to suck the external air flow into the shell 1 through the air port 16 to help the piston block 3 to perform the suction work, on the contrary, when the piston block 3 moves from the right side to the left side of the shell 1, the exhaust process is performed, at the moment, the pulling force of the pull rope 6 on the reciprocating spring 7 is reduced, so the reciprocating spring 7 winds the pull rope 6 back under the action of the self elastic force and moves along with the piston block 3, the pressure of the air flow inside the housing 1 becomes high, and the air flow flows out from the air port 16 and blows on the surface of the suction vane 12, so that the suction vane 12 rotates reversely to help the air in the housing 1 to be discharged, and the effect of assisting the piston block 3 in sucking and discharging the air is achieved.

One end of the reciprocating spring 7, which is far away from the stay cord 6, is movably connected with a wire winding rod 8, the upper end of the wire winding rod 8 is fixedly connected with a rotating shaft 9, and the joint of the rotating shaft 9 and the wire winding rod 8 is fixedly and movably connected with a support frame 15. The support frame 15 is designed in a rectangular shape; the surface of the supporting frame 15 is provided with two air ports 16, and the number of the air ports 16 is two; an arc-shaped ring 17 is fixedly connected inside the voltage stabilizing tube 14.

The number of the rotating shaft 9 and the reciprocating spring 7 is two, and the rotating shaft and the reciprocating spring are symmetrically distributed on two sides of the meshing wheel 10; the upper end swing joint of pivot 9 has engaging wheel 10, and the equal swing joint of the left and right sides of engaging wheel 10 has buffer tank 11, and one side swing joint that buffer tank 11 kept away from engaging wheel 10 has suction leaf 12.

When the air suction device is used, the piston block 3 is placed on the surface of the hollow channel 2, then the driving part is started to enable the piston block 3 to work, when the piston block 3 moves from the left side of the shell 1 to the right side of the shell 1, in the air suction process, along with the movement of the piston block 3, the pull rope 6 is pulled to be tight and leaves the surface of the wire winding rod 8 through the reciprocating spring 7, so the wire winding rod 8 is pulled to rotate, the wire winding rod 8 rotates to drive the rotating shaft 9 to rotate, the rotating shaft 9 rotates to drive the suction blade 12 to rotate forwardly through the meshing wheel 10, the suction blade 12 rotates to suck external air into the shell 1 through the air port 16 to help the piston block 3 to perform suction work, on the contrary, when the piston block 3 moves from the right side to the left side of the shell 1, the air discharge process is performed, at the moment, the pulling force of the pull rope 6 on the reciprocating spring 7 is reduced, so the reciprocating spring 7 winds the pull, and as the piston block 3 moves, the pressure of the air flow inside the housing 1 increases, so that the air flow flows out from the air port 16 and blows on the surface of the suction blade 12, and the suction blade 12 rotates reversely to help the air in the housing 1 to be discharged, so that the effect of assisting the piston block 3 in sucking and discharging the air is achieved.

The states of the pull rope 6 and the reciprocating spring 7 can be changed when the piston block 3 moves, when the piston block 3 sucks air, the rotating shaft 9 rotates and loses the tension on the reciprocating spring 7 on the upper part, so that the reciprocating spring 7 releases elasticity to push the sealing plate 13 to move towards the direction close to the pressure stabilizing tube 14, namely the pressure stabilizing tube 14 is further blocked and sealed, otherwise, when the piston block 3 exhausts air, the suction blade 12 is blown by air flow to rotate to drive the rotating shaft 9 to rotate forwards, the rotating shaft 9 rotates reversely to pull the reciprocating spring 7 and enable the sealing plate 13 to leave the surface of the pressure stabilizing tube 14, so that air exhaust is facilitated, the air flow pressure in the shell 1 is reduced, and the effect of assisting in strengthening the sealing performance of the shell 1 is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.