CN215379749U

CN215379749U - Rotary cultivator with fertilization function

Info

Publication number: CN215379749U
Application number: CN202121219046.4U
Authority: CN
Inventors: 温海生
Original assignee: Ningxia Senlei Agricultural Machinery Service Co ltd
Current assignee: Ningxia Senlei Agricultural Machinery Service Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-04
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a rotary cultivator with a fertilizing function, which comprises a shell, wherein a bearing sleeve is arranged in the inner cavity of the shell and close to the bottom of the shell, a lifting mechanism is arranged at the top of the bearing sleeve, and a fertilizing mechanism is arranged at the top of the shell. When the rotary cultivator is used, multiple fertilizers can be proportioned and mixed through the mutual matching of the feeding hopper, the motor, the first single grooved wheel, the second single grooved wheel, the belt, the rotating shaft and the stirring rod, and the discharging pipe is continuously knocked by the round ball to avoid discharging blockage through the mutual matching of the worm, the worm wheel, the movable shaft, the movable rod, the push rod, the movable block, the connecting rod, the arc-shaped rod, the round ball, the discharging pipe and the material passing pipe, so that the seed bed is fertilized through a plurality of leakage holes when the rotary cultivator moves, the working efficiency is high, the height of the rotary cultivating blade can be adjusted through the mutual matching of the sliding plate, the rack, the gear, the bearing rod, the round pipe, the threaded rod, the internal thread and the hydraulic cylinder, and the rotary cultivating effect on most of the ground can be met.

Description

Rotary cultivator with fertilization function

Technical Field

The utility model relates to the technical field of rotary cultivators, in particular to a rotary cultivator with a fertilizing function.

Background

A rotary cultivator is a cultivator matched with a tractor to complete the operations of ploughing and harrowing, has the characteristics of strong soil breaking capability, flat ground surface after ploughing and the like, is widely applied, can cut off stubbles buried below the ground surface, is convenient for the operation of a seeder and provides a good seedbed for later seeding.

The existing rotary cultivator does not have a construction function, needs to fertilize a seedbed through manual work after rotary tillage is carried out on soil, not only needs to consume a large amount of labor force and is low in working efficiency, but also cannot adjust the height of a rotary tillage blade according to uneven ground when the rotary tillage is carried out on the existing rotary cultivator, so that the rotary tillage effect is not ideal.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a rotary cultivator with a fertilizing function.

One of the purposes of the utility model is realized by adopting the following technical scheme:

the utility model provides a rotary cultivator with fertilization function, includes the shell, the inner chamber of shell is close to bottom department and is equipped with the bearing housing, just the inner chamber of bearing housing runs through and is equipped with the transmission shaft, the equal fixedly connected with a plurality of rotary tillage blade in transmission shaft top and bottom, the equal swing joint in transmission shaft left and right sides has the bearing frame, two the equal fixedly connected with square bar in top of bearing frame, the inner chamber top of shell is close to the equal fixedly connected with side's pipe in left and right sides department, two peg graft respectively in adjacent side's pipe inner chamber on the square bar top, the top of bearing housing is equipped with elevating system, the top of shell is equipped with fertilizing mechanism.

Further, elevating system includes the casing, casing fixed connection is in the top intermediate position department of shell, just the opening has been seted up to the bottom of casing, the inner chamber of casing is close to top department and is equipped with the slide, the first slider of the equal fixedly connected with in slide left and right sides, the inner chamber left and right sides of casing is close to top department and has all seted up first spout, two swing joint is respectively at adjacent first spout inner chamber for first slider, the bottom intermediate position department fixedly connected with rack of slide, the front side of rack is close to the meshing of intermediate position department and has had the gear, the through-hole that matches each other with the rack is seted up at the top of shell, the through-hole inner chamber is run through to the bottom of rack to fixedly connected with bearing bar, just the bottom and the bearing housing fixed connection of bearing bar.

Further, the inner chamber bottom of casing is equipped with the fixing base, just fixing base bottom and shell fixed connection, fixedly connected with first bearing on the fixing base, first bearing inner chamber runs through and is equipped with the pipe, just the left end and the gear fixed connection of pipe, the inner chamber right side of casing is close to bottom fixedly connected with pneumatic cylinder, the power end fixedly connected with threaded rod of pneumatic cylinder, just the left end of threaded rod is pegged graft in the inner chamber of pipe, the internal thread that matches each other with the threaded rod is seted up to the inner chamber of pipe, the threaded rod passes through internal thread and pipe swing joint.

Further, fertilizing mechanism includes the box, box fixed connection is in the top front side department of shell, the top of box is pegged graft and is had feed hopper, just feed hopper's top articulates there is the fender lid, the bottom of box is pegged graft and is had the discharging pipe, just the bottom of discharging pipe is equipped with leads to the material pipe, the bottom of discharging pipe is pegged graft at the top that leads to the material pipe, a plurality of small opening has been seted up to the bottom that leads to the material pipe.

Further, a motor is arranged on the right side of the box body, a supporting seat is fixedly connected to the bottom of the motor, the bottom of the supporting seat is fixedly connected with the shell, a first single grooved wheel is fixedly connected to a power output end of the motor, a second single grooved wheel is arranged on the top of the first single grooved wheel, a belt is arranged between the first single grooved wheel and the second single grooved wheel, the first single grooved wheel is in transmission connection with the second single grooved wheel through the belt, a rotating shaft is fixedly connected to the left side of the second single grooved wheel, second bearings are fixedly connected to positions, close to the top, of the left side and the right side of the box body, of the rotating shaft, the left end of the rotating shaft penetrates through the adjacent second bearings and is in plug connection with inner cavities of the second bearings which are far away from the rotating shaft, a plurality of stirring rods are fixedly connected to the top and the bottom of the rotating shaft, and the plurality of stirring rods are located in the inner cavities of the box body.

Further, a worm is fixedly connected to the left side of the first single grooved wheel, a worm wheel is arranged in the position, close to the bottom, of the inner cavity of the box body, a movable shaft penetrates through the inner cavity of the worm wheel, a third bearing is fixedly connected to the position, close to the right side, of the inner cavity of the box body, the bottom end of the movable shaft is inserted into the inner cavity of the third bearing, a fourth bearing is fixedly connected to the position, close to the bottom, of the right side of the box body, the left end of the worm penetrates through the fourth bearing and is meshed with the rear side of the worm wheel, a movable rod is fixedly connected to the top end of the movable shaft, a connecting shaft is movably connected to the position, close to the right side, of the top end of the movable rod, a push rod is movably connected to the top end of the connecting shaft, a movable block is arranged on the left side of the worm wheel, one end, far away from the connecting shaft, of the push rod is hinged to the movable block, a second sliding block is fixedly connected to the bottom of the movable block, and a second sliding chute is arranged at the bottom of the box body, second slider swing joint is in second spout inner chamber, the top of movable block articulates there is the connecting rod, the left side of movable block is equipped with the arc pole, just the bottom of arc pole is articulated with the box, the top fixedly connected with ball of arc pole, the one end that the movable block was kept away from to the connecting rod is articulated with the arc pole.

Further, the inner chamber left and right sides of box is close to equal fixedly connected with swash plate, two of intermediate position department the adjacent one side of swash plate is laminated each other, and two upward contained angle is the obtuse angle between the swash plate, the top of discharging pipe extends to the inner chamber of box, and plug in two swash plate bottoms.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the mutual matching among the feeding hopper, the motor, the first single grooved wheel, the second single grooved wheel, the belt, the rotating shaft and the stirring rod, various fertilizers can be proportioned and mixed, and through the mutual matching among the worm, the worm wheel, the movable shaft, the movable rod, the push rod, the movable block, the connecting rod, the arc-shaped rod, the ball, the discharging pipe and the material passing pipe, the discharging pipe is continuously knocked by the ball to avoid discharging blockage, so that the seed bed is fertilized through a plurality of leakage holes when the rotary cultivator moves, and the working efficiency is high;

2. the height of the rotary tillage blade can be adjusted through the mutual matching of the sliding plate, the rack, the gear, the bearing rod, the round pipe, the threaded rod, the internal thread and the hydraulic cylinder, so that the rotary tillage on most of the ground can be met, and the rotary tillage effect is good.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a front cross-sectional view of a component housing;

FIG. 2 is a front cross-sectional view of the component enclosure;

FIG. 3 is a left side view of the present embodiment;

fig. 4 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a housing; 2. a bearing seat; 3. a bearing housing; 4. a drive shaft; 5. a rotary tillage blade; 6. a housing; 7. a slide plate; 8. a rack; 9. a gear; 10. a load-bearing bar; 11. a circular tube; 12. a threaded rod; 13. a hydraulic cylinder; 14. a box body; 15. a feed hopper; 16. a discharge pipe; 17. a material passing pipe; 18. a rotating shaft; 19. a stirring rod; 20. a second single sheave; 21. a first single sheave; 22. a motor; 23. a worm; 24. a worm gear; 25. a movable shaft; 26. a movable rod; 27. a push rod; 28. a movable block; 29. a connecting rod; 30. an arcuate bar; 31. and (4) a ball.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a rotary cultivator with fertilizing function comprises a shell 1, a bearing sleeve 3 is arranged in the position, close to the bottom, of an inner cavity of the shell 1, a transmission shaft 4 penetrates through the inner cavity of the bearing sleeve 3, a plurality of rotary tillage blades 5 are fixedly connected to the top and the bottom of the transmission shaft 4, bearing seats 2 are movably connected to the left side and the right side of the transmission shaft 4, square rods are fixedly connected to the tops of the two bearing seats 2, square tubes are fixedly connected to the positions, close to the left side and the right side, of the top of the inner cavity of the shell 1, the top ends of the two square rods are respectively inserted into the inner cavities of the adjacent square tubes, a lifting mechanism is arranged at the top of the bearing sleeve 3, the lifting mechanism comprises a shell 6, the shell 6 is fixedly connected to the middle position of the top of the shell 1, an opening is formed in the bottom of the shell 6, a sliding plate 7 is arranged in the position, and first sliding blocks are fixedly connected to the left side and the right side of the sliding plate 7, the left side and the right side of the inner cavity of the shell 6 are respectively provided with a first chute near the top, two first sliding blocks are respectively movably connected with the inner cavities of the adjacent first chutes, the middle position of the bottom of the sliding plate 7 is fixedly connected with a rack 8, the front side of the rack 8 is engaged with a gear 9 near the middle position, the top of the shell 1 is provided with a through hole matched with the rack 8, the bottom of the rack 8 penetrates through the inner cavity of the through hole and is fixedly connected with a bearing rod 10, the bottom end of the bearing rod 10 is fixedly connected with a bearing sleeve 3, the bottom of the inner cavity of the shell 6 is provided with a fixed seat, the bottom of the fixed seat is fixedly connected with the shell 1, a first bearing is fixedly connected on the fixed seat, the inner cavity of the first bearing is provided with a round pipe 11 in a penetrating manner, the left end of the round pipe 11 is fixedly connected with the gear 9, the right side of the inner cavity of the shell 6 is fixedly connected with a hydraulic cylinder 13 near the bottom, and the power end of the hydraulic cylinder 13 is fixedly connected with a threaded rod 12, the left end of the threaded rod 12 is inserted into the inner cavity of the circular tube 11, the inner cavity of the circular tube 11 is provided with an inner thread matched with the threaded rod 12, the threaded rod 12 is movably connected with the circular tube 11 through the inner thread, the top of the shell 1 is provided with a fertilizing mechanism, the fertilizing mechanism comprises a box body 14, the box body 14 is fixedly connected to the front side of the top of the shell 1, the top of the box body 14 is inserted with a feeding funnel 15, the top of the feeding funnel 15 is hinged with a blocking cover, the bottom of the box body 14 is inserted with a discharging tube 16, the bottom of the discharging tube 16 is provided with a material passing tube 17, the bottom of the discharging tube 16 is inserted at the top of the material passing tube 17, the bottom of the material passing tube 17 is provided with a plurality of leakage holes, the right side of the box body 14 is provided with a motor 22, the bottom of the motor 22 is fixedly connected with a supporting seat, the bottom of the supporting seat is fixedly connected with the shell 1, the power output end of the motor 22 is fixedly connected with a first single sheave 21, the top of the first single sheave 21 is provided with a second single sheave 20, a belt is arranged between the first single grooved wheel 21 and the second single grooved wheel 20, the first single grooved wheel 21 is in transmission connection with the second single grooved wheel 20 through the belt, the left side of the second single grooved wheel 20 is fixedly connected with a rotating shaft 18, the positions of the left side and the right side of the box body 14, which are close to the top, are fixedly connected with second bearings, the left end of the rotating shaft 18 penetrates through the adjacent second bearings and is inserted in the inner cavity of the second bearing which is far away, the top and the bottom of the rotating shaft 18 are fixedly connected with a plurality of stirring rods 19, the stirring rods 19 are all positioned in the inner cavity of the box body 14, the left side of the first single grooved wheel 21 is fixedly connected with a worm 23, the position of the inner cavity of the box body 14, which is close to the bottom, is provided with a worm wheel 24, the inner cavity of the worm wheel 24 is penetrated with a movable shaft 25, the position of the bottom of the inner cavity of the box body 14, which is close to the right side, is inserted in the inner cavity of the third bearing, and the right side of the box body 14 is fixedly connected with a fourth bearing, the left end of the worm 23 penetrates through the fourth bearing and is meshed with the rear side of the worm wheel 24, the top end of the movable shaft 25 is fixedly connected with a movable rod 26, the top part of the movable rod 26, which is close to the right side, is movably connected with a connecting shaft, the top end of the connecting shaft is movably connected with a push rod 27, the left side of the worm wheel 24 is provided with a movable block 28, one end of the push rod 27, which is far away from the connecting shaft, is hinged with the movable block 28, the bottom of the movable block 28 is fixedly connected with a second sliding block, the bottom of the box body 14 is provided with a second sliding groove, the second sliding block is movably connected with an inner cavity of the second sliding groove, the top part of the movable block 28 is hinged with a connecting rod 29, the left side of the movable block 28 is provided with an arc-shaped rod 30, the bottom end of the arc-shaped rod 30 is hinged with the box body 14, the top end of the arc-shaped rod 30 is fixedly connected with a round ball 31, one end of the connecting rod 29, which is far away from the movable block 28, is hinged with the arc-shaped rod 30, the left side and the right side of the inner cavity of the box body 14 are both fixedly connected with inclined plates, the adjacent one side of two swash plates is laminated each other, and the contained angle up between two swash plates is the obtuse angle, and the top of discharging pipe 16 extends to the inner chamber of box 14, and plug connects in two swash plate bottoms.

The working principle is as follows: when the rotary tillage machine is used, when the height of a rotary tillage blade 5 is required to be adjusted according to the ground of rotary tillage, a hydraulic cylinder 13 is started, the hydraulic cylinder 13 works to drive a threaded rod 12 to move leftwards, the threaded rod 12 moves in an inner cavity of a circular tube 11, the circular tube 11 is driven to rotate through internal threads, a gear 9 is driven to rotate through the rotation of the circular tube 11, the gear 9 drives a rack 8 meshed with the gear to move downwards through the rotation of the gear 9, the rack 8 moves downwards to drive a sliding plate 7 to move downwards, the sliding plate 7 is limited through the movement of two first sliding blocks in the inner cavities of adjacent first sliding grooves respectively, so that the rack 8 moves vertically downwards, a bearing sleeve 3 is driven to move downwards through a bearing rod 10, a transmission shaft 4, the rotary tillage blade 5 and the bearing seats 2 are driven to move downwards, and the two square rods are used for limiting the two bearing seats 2 through the extension and retraction of the inner cavities of square tubes, so that a plurality of rotary tillage blades 5 are contacted with the ground, therefore, the rotary tillage effect is better, when the rotary tillage is started, the baffle cover is turned, the chemical fertilizer to be applied is poured into the inner cavity of the box body 14 through the feeding hopper 15, when the rotary tillage is started, the motor 22 is started through the external power supply, the motor 22 works to drive the first single grooved pulley 21 to rotate, the first single grooved pulley 21 rotates to drive the second single grooved pulley 20 to rotate through the belt, the second single grooved pulley 20 rotates to drive the rotating shaft 18 to rotate, the rotating shaft 18 rotates to drive the plurality of stirring rods 19 to rotate, the plurality of stirring rods 19 rotate to stir and mix a plurality of chemical fertilizers, the chemical fertilizers are conveyed into the feed pipe 17 through the feed pipe 16, the chemical fertilizers fall onto the seed bed through the plurality of leakage holes, the first single grooved pulley 21 rotates to drive the worm 23 to rotate, the worm 23 rotates to drive the worm wheel 24 which is meshed with the worm wheel 24, the worm wheel 24 rotates to drive the movable shaft 25 to rotate, the movable shaft 25 rotates to drive the movable rod 26 to rotate, the movable rod 26 rotates to drive the push rod 27 to move left and right through the connecting shaft, so that the movable block 28 is pushed to move left and right, the movable block 28 moves left and right, the arc-shaped rod 30 is driven to swing left and right through the connecting rod 29, the discharging pipe 16 is driven to continuously knock the round ball 31, the situation that the fertilizer is blocked in the discharging pipe 16 to influence discharging is avoided, after rotary tillage is finished, the motor 22 is turned off, and the hydraulic cylinder 13 is started to retract the rotary tillage blades 5 into the inner cavity of the shell 1.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a rotary cultivator with fertilization function, includes shell (1), its characterized in that: the utility model discloses a rotary tillage machine, including shell (1), inner chamber, transmission shaft (4), the equal swing joint in transmission shaft (4) left and right sides has bearing frame (2), two the equal fixedly connected with square pole in top of bearing frame (2), the inner chamber top of shell (1) is close to the equal fixedly connected with side of left and right sides pipe, two equal fixedly connected with side's pipe in the department of bottom is equipped with bearing housing (3), just the inner chamber of bearing housing (3) runs through and is equipped with transmission shaft (4), transmission shaft (4) top and the equal swing joint in bottom have bearing frame (2), two the equal fixedly connected with side's pipe in top of the inner chamber of left and right sides department, two peg graft respectively at adjacent side's pipe inner chamber, the top of bearing housing (3) is equipped with elevating system, the top of shell (1) is equipped with fertilizing mechanism.

2. The rotary cultivator with the fertilizing function as claimed in claim 1, wherein: the lifting mechanism comprises a shell (6), the shell (6) is fixedly connected to the middle position of the top of the shell (1), an opening is formed in the bottom of the shell (6), a sliding plate (7) is arranged at the position, close to the top, of an inner cavity of the shell (6), first sliding blocks are fixedly connected to the left side and the right side of the sliding plate (7), first sliding grooves are formed in the positions, close to the top, of the left side and the right side of the inner cavity of the shell (6), the two first sliding blocks are movably connected to the inner cavities of the adjacent first sliding grooves respectively, a rack (8) is fixedly connected to the middle position of the bottom of the sliding plate (7), a gear (9) is meshed to the position, close to the middle position, of the front side of the rack (8), through holes matched with the rack (8) are formed in the top of the shell (1), the inner cavities of the through holes are formed in the bottom of the rack (8), and a bearing rod (10) is fixedly connected to the inner cavity of the through holes, and the bottom end of the bearing rod (10) is fixedly connected with the bearing sleeve (3).

3. The rotary cultivator with the fertilizing function as claimed in claim 2, wherein: the utility model discloses a hydraulic pressure cooker, including casing (6), gear (9), first bearing, power end fixedly connected with threaded rod (12) of pneumatic cylinder (13), just the left end of threaded rod (12) is pegged graft at the inner chamber of pipe (11), the inner chamber of casing (11) is seted up the internal thread that matches each other with threaded rod (12), threaded rod (12) are through internal thread and pipe (11) swing joint.

4. The rotary cultivator with the fertilizing function as claimed in claim 1, wherein: fertilizing mechanism includes box (14), box (14) fixed connection is in the top front side department of shell (1), the top of box (14) is pegged graft and is had feed hopper (15), just the top of feed hopper (15) articulates there is the fender lid, the bottom of box (14) is pegged graft and is had discharging pipe (16), just the bottom of discharging pipe (16) is equipped with leads to material pipe (17), the bottom of discharging pipe (16) is pegged graft at the top that leads to material pipe (17), a plurality of small opening has been seted up to the bottom that leads to material pipe (17).

5. The rotary cultivator with fertilizing function as claimed in claim 4, wherein: a motor (22) is arranged on the right side of the box body (14), a support seat is fixedly connected to the bottom of the motor (22), the bottom of the support seat is fixedly connected with the shell (1), a first single grooved wheel (21) is fixedly connected to the power output end of the motor (22), a second single grooved wheel (20) is arranged on the top of the first single grooved wheel (21), a belt is arranged between the first single grooved wheel (21) and the second single grooved wheel (20), the first single grooved wheel (21) is in transmission connection with the second single grooved wheel (20) through the belt, a rotating shaft (18) is fixedly connected to the left side of the second single grooved wheel (20), second bearings are fixedly connected to the positions, close to the tops, of the left side and the right side of the box body (14), the left end of the rotating shaft (18) penetrates through the adjacent second bearings and is inserted into the inner cavities of the second bearings which are far away from each other, and a plurality of stirring rods (19) are fixedly connected to the tops and the bottoms of the rotating shaft (18), and the stirring rods (19) are all positioned in the inner cavity of the box body (14).

6. The rotary cultivator with fertilizing function as claimed in claim 5, wherein: the left side of the first single grooved wheel (21) is fixedly connected with a worm (23), the inner cavity of the box body (14) is close to the bottom and is provided with a worm wheel (24), the inner cavity of the worm wheel (24) is provided with a movable shaft (25) in a penetrating way, the bottom of the inner cavity of the box body (14) is close to the right side and is fixedly connected with a third bearing, the bottom end of the movable shaft (25) is inserted into the inner cavity of the third bearing, the right side of the box body (14) is close to the bottom and is fixedly connected with a fourth bearing, the left end of the worm (23) is penetrated through the fourth bearing and is mutually meshed with the rear side of the worm wheel (24), the top end of the movable shaft (25) is fixedly connected with a movable rod (26), the top end of the movable rod (26) is movably connected with a connecting shaft close to the right side, the top end of the connecting shaft is movably connected with a push rod (27), the left side of the worm wheel (24) is provided with a movable block (28), one end of the push rod (27) far away from the connecting shaft is hinged with the movable block (28), the bottom fixedly connected with second slider of movable block (28), the second spout has been seted up to the bottom of box (14), second slider swing joint is at second spout inner chamber, the top of movable block (28) articulates there is connecting rod (29), the left side of movable block (28) is equipped with arc pole (30), just the bottom of arc pole (30) is articulated with box (14), the top fixedly connected with ball (31) of arc pole (30), the one end that movable block (28) were kept away from in connecting rod (29) is articulated with arc pole (30).

7. The rotary cultivator with fertilizing function as claimed in claim 4, wherein: the utility model discloses a packing box, including box (14), the equal fixedly connected with swash plate of intermediate position department, two of the inner chamber left and right sides of box (14) is close to equal fixedly connected with swash plate, two the adjacent one side of swash plate is laminated each other, and two upward contained angle is the obtuse angle between the swash plate, the top of discharging pipe (16) extends to the inner chamber of box (14), and plug connects in two swash plate bottoms.