CN218151278U

CN218151278U - Fluid stepless pressure regulating swash plate pump

Info

Publication number: CN218151278U
Application number: CN202222699490.1U
Authority: CN
Inventors: 吴继群; 朱鹤; 展望
Original assignee: Danniao Electromechanical Suzhou Co ltd
Current assignee: Danniao Electromechanical Suzhou Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2022-12-27
Anticipated expiration: 2032-10-13

Abstract

The utility model discloses a fluid stepless pressure regulating swash plate pump, the middle part is rotated and is connected with the sloping cam plate in the pump case, and sloping cam plate right side edge fixedly connected with rail, logical groove has been seted up at the sloping cam plate middle part for adjust output hydraulic pressure adjusting part sets up in the sloping cam plate top, adjusting part includes telescopic link, slide, spout, slide bar, slider and spring, upper portion right side fixedly connected with telescopic link in the pump case, and telescopic link left end fixedly connected with slide, the spout has been seted up at the slide middle part, and the embedded slide bar that is connected with that closes of spout, slide bar middle part fixedly connected with slider, slide left fixedly connected with spring, the slide bar passes through spout and slide sliding connection, spring and pump case fixed connection. The utility model discloses a cooperation between each part, at the in-process that uses the swash plate pump, can adjust as required the output pressure of fluid, and accommodation process is in the same direction as smooth nature.

Description

Fluid stepless pressure regulating swash plate pump

Technical Field

The utility model relates to a sloping cam plate plunger pump technical field specifically is a fluid stepless pressure regulating sloping cam plate pump.

Background

The plunger pump is an important device of a hydraulic system, changes the volume of a sealed working cavity to absorb and press oil by means of the reciprocating motion of a plunger in a cylinder body, has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, is widely applied to occasions where high pressure, large flow and flow need to be regulated, such as hydraulic machines, engineering machinery and ships, and currently, when the swash plate type axial plunger pump is used, a proper working area needs to be selected according to the actual situation and needs to be connected with an output shaft of an external motor, so that power is provided for the swash plate type axial plunger pump.

For example, utility model CN202122854992.2 discloses a swash plate type axial plunger pump, which comprises a housing and a liquid pumping unit; a housing: a rotating rod is rotatably connected in an opening arranged on the left end inclined plane of the rotary shaft through a bearing; a liquid pumping unit: including sloping cam plate, universal ball joint, the connecting rod, the plunger, join in marriage the food tray, the rotor plate, cylinder body and ceramic packing ring, the sloping cam plate sets up in the extrados right-hand member of dwang, the right-hand member face of sloping cam plate is equipped with evenly distributed's universal ball joint, the right-hand member of universal ball joint all is equipped with the connecting rod, the right-hand member of connecting rod all is equipped with the plunger, it is equipped with ceramic packing ring all to overlap in the recess that the extrados of plunger right-hand member set up, the inner chamber right wall of shell is equipped with joins in marriage the food tray, the left end face of joining in marriage the food tray has the rotor plate through annular spout sliding connection, the opening part that the rotor plate left end face evenly set up all is equipped with the cylinder body, this sloping cam plate axial plunger pump, the purpose of the different height quick regulations of sloping cam plate axial plunger pump has been satisfied, reduce the noise of whole sloping cam plate axial plunger pump during operation.

Swash plate axial piston pumps similar to the above applications currently suffer from the following disadvantages: it is inconvenient to adjust the output hydraulic pressure during use.

Therefore, the existing structure and defects are researched and improved, and a fluid stepless pressure regulating swash plate pump is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fluid stepless pressure regulating swash plate pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a stepless pressure regulating swash plate pump of fluid, includes pump case and adjusting part, the middle part rotates in the pump case and is connected with the sloping cam plate, and sloping cam plate right side edge fixedly connected with rail, logical groove has been seted up at the sloping cam plate middle part for adjust output hydraulic pressure adjusting part sets up in the sloping cam plate top, adjusting part includes telescopic link, slide, spout, slide bar, slider and spring, upper portion right side fixedly connected with telescopic link in the pump case, and telescopic link left end fixedly connected with slide, the spout has been seted up at the slide middle part, and the embedded sliding rod that is connected with of spout, slide middle part fixedly connected with slider, slide left fixedly connected with spring, the slide bar passes through spout and slide sliding connection, spring and pump case fixed connection.

Furthermore, the sliding block is rotatably connected with the sliding plate through a sliding rod, the sliding plate is elastically connected with the pump shell through a spring, and the sliding block is fixedly connected with the swash plate.

Furthermore, the pump case left side fixedly connected with motor, and motor right-hand member fixedly connected with drive shaft, the symmetry fixedly connected with fixture block in drive shaft right part.

Further, the carousel has been cup jointed on the drive shaft right side, and the carousel left side middle part has seted up the card chamber, the card chamber symmetry has seted up the draw-in groove all around, and the fixture block passes through the draw-in groove to be connected with the carousel block, the drive shaft passes through the card chamber to be connected with the carousel gomphosis.

Further, the piston chamber has been seted up on the carousel surface, and piston intracavity sliding connection has a piston post, piston post left end fixedly connected with universal joint, and universal joint left side gomphosis is connected with the bottom block, fixedly connected with jump ring between piston post right-hand member and the piston chamber, piston chamber equidistance circumference distributes on the carousel, and piston post and piston chamber laminating, bottom block and sloping cam plate laminating.

Furthermore, an embedding groove is formed in the inner right side of the pump shell, a liquid inlet groove is formed in the lower portion of the right end of the pump shell, and a liquid outlet groove is formed in the upper portion of the right end of the pump shell.

Furthermore, a flow distribution plate is fixedly connected in the embedded groove, a rotating groove is formed in the left side of the flow distribution plate, a liquid inlet is formed in the lower portion of the right side of the flow distribution plate, and a liquid outlet is formed in the upper portion of the right side of the flow distribution plate.

The utility model provides a stepless pressure regulating swash plate pump of fluid possesses following beneficial effect:

according to the fluid stepless pressure regulating swash plate pump, through the matching of parts of each part, the output pressure of the fluid can be regulated as required in the process of using the swash plate pump, and the regulation process is smooth and natural;

1. the utility model discloses a setting of adjusting part makes in the in-process of using the swash plate pump, and the telescopic link can promote the slide as required to drive the slide bar and remove in the spout, and then drives the swash plate through the slider and rotate in the pump case, changes the angle of inclination between swash plate and the pump case, thereby changes the stroke of piston post in the piston chamber, and then adjusts the output pressure of fluid, and the accommodation process is smooth nature;

2. the utility model discloses a setting of rail, when the motor drives through the drive shaft and drives the carousel and rotate, the piston post is reciprocating motion in the piston chamber under the effect of bottom block and jump ring, and the bottom block is laminated with the right surface of sloping cam plate all the time and is guaranteed that the motion route of piston post can not squint, and the rail can avoid sloping cam plate to adjust excessively to lead to the bottom block to follow sloping cam plate edge roll-off, and the fixture block can guarantee that the carousel can follow the drive shaft through the draw-in groove and carry out synchronous operation;

3. the utility model discloses a setting of valve plate for valve plate accessible rotary groove restricts the carousel, and stability when keeping the carousel to rotate, and at the sloping cam plate pump during operation, the fluid can follow the feed liquor groove and get into the piston chamber through the inlet, leaves the pump case through the drain tank from the liquid outlet again, and the diameter of feed liquor groove, drain tank all is less than the diameter of inlet, liquid outlet, can avoid high-low pressure chamber to collude.

Drawings

Fig. 1 is a schematic sectional front view structure diagram of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the port plate of the present invention.

In the figure: 1. a pump housing; 2. a swash plate; 3. a fence; 4. a through groove; 5. an adjustment assembly; 501. a telescopic rod; 502. a slide plate; 503. a chute; 504. a slide bar; 505. a slider; 506. a spring; 6. a motor; 7. a drive shaft; 8. a clamping block; 9. a turntable; 10. a card cavity; 11. a card slot; 12. a piston cavity; 13. a piston post; 14. a universal joint; 15. a bottom block; 16. a clamp spring; 17. caulking grooves; 18. a liquid inlet tank; 19. a liquid outlet groove; 20. a valve plate; 21. rotating the groove; 22. a liquid inlet; 23. and a liquid outlet.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1, a fluid stepless pressure regulating swash plate pump includes a pump housing 1 and an adjusting assembly 5, a swash plate 2 is rotatably connected to the middle portion in the pump housing 1, a fence 3 is fixedly connected to the edge of the right side of the swash plate 2, a through groove 4 is formed in the middle portion of the swash plate 2, the adjusting assembly 5 for adjusting output hydraulic pressure is disposed above the swash plate 2, the adjusting assembly 5 includes a telescopic rod 501, a sliding plate 502, a sliding groove 503, a sliding rod 504, a sliding block 505 and a spring 506, a telescopic rod 501 is fixedly connected to the right side of the upper portion in the pump housing 1, the sliding plate 502 is fixedly connected to the left side of the telescopic rod 501, the sliding block 503 is disposed in the sliding groove 503, the sliding block 505 is fixedly connected to the middle portion of the sliding rod 504, the spring 506 is fixedly connected to the left side of the sliding plate 502, the sliding rod 504 is slidably connected to the sliding block 502 through the sliding groove 503, the sliding block 505 is rotatably connected to the sliding plate 502 through the sliding rod 504, the sliding block 502 is elastically connected to the sliding block 1 through the spring 506, the sliding block 505 is fixedly connected to the swash plate 2 through the adjusting assembly 5, such that in the process of using the telescopic rod can push the sliding plate 502, the sliding block 502 to drive the sliding block 502 to move the sliding rod 502 to change the piston 1, and to adjust the pressure of the piston 1, and the piston 1, thereby, the piston stroke of the piston 1 is changed along the piston 1, and the piston 1 is adjusted by the piston stroke of the piston 1, and the piston 1, the piston 12, the piston is adjusted by the piston, the piston 1.

As shown in fig. 1 and fig. 2, pump case 1 left side fixedly connected with motor 6, and motor 6 right-hand member fixedly connected with drive shaft 7, drive shaft 7 right part symmetry fixedly connected with fixture block 8, carousel 9 has been cup jointed on drive shaft 7 right side, and carousel 9 left side middle part has seted up card chamber 10, card chamber 10 symmetry has all around seted up draw-in groove 11, and fixture block 8 is connected with carousel 9 block through draw-in groove 11, drive shaft 7 is connected with carousel 9 gomphosis through card chamber 10, piston chamber 12 has been seted up on the surface of carousel 9, and sliding connection has piston post 13 in piston chamber 12, piston post 13 left end fixedly connected with universal joint 14, and universal joint 14 left side gomphosis is connected with bottom block 15, fixedly connected with jump ring 16 between piston post 13 right-hand member and the piston chamber 12, piston chamber 12 equidistance circumference distributes on carousel 9, and piston post 13 and piston chamber 12 laminating, bottom block 15 and swash plate 2 laminate, through the setting of rail 3, when motor 6 drives carousel 9 to rotate through drive shaft 7 drives through drive shaft 7, piston post 13 drives the carousel 9 and drives the rotation, piston post 13 is under the effect of bottom block 15 and the rail 16, do the effect, do the motion of bottom block 12, it can guarantee that swash plate 15 can not follow the swash plate 2 to follow the synchronous movement of swash plate 2, the swash plate can guarantee that swash plate edge can follow the swash plate edge to follow the swash plate 11, the synchronous motion.

As shown in fig. 1 and fig. 3, an embedding groove 17 is formed in the right side in the pump case 1, a liquid inlet groove 18 is formed in the lower portion of the right end of the pump case 1, a liquid outlet groove 19 is formed in the upper portion of the right end of the pump case 1, a flow distribution plate 20 is fixedly connected in the embedding groove 17, a rotary groove 21 is formed in the left side of the flow distribution plate 20, a liquid inlet 22 is formed in the lower portion of the right side of the flow distribution plate 20, a liquid outlet 23 is formed in the upper portion of the right side of the flow distribution plate 20, the flow distribution plate 20 can limit the rotary plate 9 through the rotary groove 21, stability of the rotary plate 9 during rotation is maintained, and when the swash plate pump works, fluid can enter the piston cavity 12 through the liquid inlet 22 from the liquid inlet groove 18 and then leave the pump case 1 through the liquid outlet groove 19 from the liquid outlet 23, and the diameters of the liquid inlet groove 18 and the liquid outlet groove 19 are smaller than those of the liquid inlet 22 and the liquid outlet 23, so as to prevent the high and low pressure cavities from communicating with each other.

In summary, when the fluid stepless pressure regulating swash plate pump is used, firstly, according to the structure shown in fig. 1, fig. 2 and fig. 3, the motor 6 is started, the motor 6 drives the rotating disc 9 to rotate through the driving shaft 7, the piston column 13 reciprocates in the piston cavity 12 under the action of the bottom block 15 and the clamp spring 16, the bottom block 15 is always attached to the right surface of the swash plate 2 to ensure that the moving path of the piston column 13 cannot be deviated, and the fence 3 can prevent the bottom block 15 from sliding out of the edge of the swash plate 2 due to excessive regulation of the swash plate 2, the clamping block 8 can ensure that the rotating disc 9 can synchronously run along with the driving shaft 7 through the clamping groove 11, the distribution disc 20 can limit the rotating disc 9 through the rotating groove 21, the stability during rotation of the rotating disc 9 is maintained, when the swash plate pump works, fluid can enter the piston cavity 12 from the fluid inlet groove 18 through the fluid inlet 22, then leave the pump housing 1 from the fluid outlet 19 through the fluid outlet groove 23, the diameters of the fluid inlet groove 18 and the fluid outlet groove 19 are smaller than the diameters of the fluid inlet groove 22 and the fluid outlet groove 23, thereby preventing the high and low pressure of the swash plate from flowing through the sliding block 505, and further adjusting the sliding block 501, thereby changing the sliding of the piston column in the pump housing 2, and further adjusting the sliding of the sliding piston 1, thereby naturally adjusting piston 1, and changing the sliding of the sliding rod 502, and the sliding of the sliding rod 2 in the pump housing, and changing the sliding of the pump.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a stepless pressure regulating swash plate pump of fluid, includes pump case (1) and adjusting part (5), its characterized in that, the middle part is rotated and is connected with sloping cam plate (2) in pump case (1), and sloping cam plate (2) right side edge fixedly connected with rail (3), logical groove (4) have been seted up at sloping cam plate (2) middle part for adjust output hydraulic pressure adjusting part (5) set up in sloping cam plate (2) top, adjusting part (5) include telescopic link (501), slide (502), spout (503), slide bar (504), slider (505) and spring (506), upper portion right side fixedly connected with telescopic link (501) in pump case (1), and telescopic link (501) left end fixedly connected with slide (502), spout (503) have been seted up in slide (502) middle part, and the embedded closing of spout (503) is connected with slide bar (504), slide bar (504) middle part fixedly connected with slider (505), slide (502) left fixedly connected with spring (506), slide (504) pass through spout (503) and slide (502) sliding connection, spring (506) and pump case (1) fixed connection.

2. The swash plate pump with stepless fluid pressure regulation according to claim 1, characterized in that the slide block (505) is rotatably connected with the slide plate (502) through a slide rod (504), the slide plate (502) is elastically connected with the pump shell (1) through a spring (506), and the slide block (505) is fixedly connected with the swash plate (2).

3. The swash plate pump with stepless pressure regulation for fluid according to claim 1, characterized in that the left side of the pump casing (1) is fixedly connected with a motor (6), the right end of the motor (6) is fixedly connected with a driving shaft (7), and the right part of the driving shaft (7) is symmetrically and fixedly connected with a clamping block (8).

4. The fluid stepless pressure regulating swash plate pump according to claim 3, wherein the right side of the drive shaft (7) is sleeved with a turntable (9), a clamping cavity (10) is formed in the middle of the left side of the turntable (9), clamping grooves (11) are symmetrically formed in the periphery of the clamping cavity (10), the clamping blocks (8) are connected with the turntable (9) in a clamping manner through the clamping grooves (11), and the drive shaft (7) is connected with the turntable (9) in an embedded manner through the clamping cavity (10).

5. The fluid stepless pressure regulating swash plate pump according to claim 4, characterized in that piston chamber (12) has been seted up on carousel (9) surface, and sliding connection has piston post (13) in piston chamber (12), piston post (13) left end fixedly connected with universal joint (14), and universal joint (14) left side gomphosis is connected with bottom block (15), fixedly connected with jump ring (16) between piston post (13) right-hand member and piston chamber (12), piston chamber (12) equidistance circumference distributes on carousel (9), and piston post (13) and piston chamber (12) laminating, bottom block (15) and swash plate (2) laminating.

6. The fluid stepless pressure regulating swash plate pump as claimed in claim 1, wherein the right side in the pump case (1) is provided with an embedded groove (17), the lower part of the right end of the pump case (1) is provided with a liquid inlet groove (18), and the upper part of the right end of the pump case (1) is provided with a liquid outlet groove (19).

7. The fluid stepless pressure regulating swash plate pump according to claim 6, characterized in that a valve plate (20) is fixedly connected in the caulking groove (17), a rotating groove (21) is formed in the left side of the valve plate (20), a liquid inlet (22) is formed in the lower portion of the right side of the valve plate (20), and a liquid outlet (23) is formed in the upper portion of the right side of the valve plate (20).