CN219431986U

CN219431986U - Multi-point oil outlet plunger pump

Info

Publication number: CN219431986U
Application number: CN202320664344.7U
Authority: CN
Inventors: 纪顺平; 邢斌
Original assignee: Gu'an Qianyujia Lubricating Equipment Co ltd
Current assignee: Gu'an Qianyujia Lubricating Equipment Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-07-28
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a multi-point oil outlet plunger pump which comprises a top cover, a main cavity and a transmission case, wherein the top cover is positioned right above the main cavity; a main shaft with a groove is vertically arranged in the transmission case, and the upper end of the main shaft with the groove penetrates through the main cavity and extends into the top cover; the inside central authorities of top cap are provided with the pallet, and the equidistance is encircleed around the pallet and is provided with a plurality of plungers, and the upper end of plunger is provided with the adjusting bolt who is used for adjusting plunger motion distance, and the pallet rotates and drives the plunger and do reciprocating motion from top to bottom. According to the utility model, the follower disk is arranged to drive the plungers to reciprocate up and down, so that multi-point oil discharge is realized. The movement distance of the plunger is adjusted through the adjusting bolt, so that the oil discharge amount can be adjusted. The mechanical transmission mode of the transmission worm, the cylindrical helical gear and the main shaft with the grooves replaces electromagnetic reversing control, so that the service life of the equipment is greatly prolonged.

Description

Multi-point oil outlet plunger pump

Technical Field

The utility model relates to a plunger pump, in particular to a multi-point oil outlet plunger pump.

Background

The plunger pump is an important device of a hydraulic system, and depends on the reciprocating motion of a plunger in a cylinder body to change the volume of a sealed working cavity so as to realize oil suction and oil pressing, and is widely applied to occasions requiring high pressure, large flow and flow adjustment, such as hydraulic machines, engineering machinery and ships.

The conventional lubricating plunger pump is usually a single plunger, adopts electromagnetic reversing control, has short service life, is not easy to adjust oil output, has few oil output points, and cannot meet the use requirements of multi-point lubrication.

Disclosure of Invention

In order to solve the defects of the technology, the utility model provides a multi-point oil outlet plunger pump.

In order to solve the technical problems, the utility model adopts the following technical scheme: the multi-point oil outlet plunger pump comprises a top cover, a main cavity and a transmission case, wherein the top cover is positioned right above the main cavity; a main shaft with a groove is vertically arranged in the transmission case, and the upper end of the main shaft with the groove penetrates through the main cavity and extends into the top cover; the inside central authorities of top cap are provided with the pallet, and the equidistance is encircleed around the pallet and is provided with a plurality of plungers, and the upper end of plunger is provided with the adjusting bolt who is used for adjusting plunger motion distance, and the pallet rotates and drives the plunger and do reciprocating motion from top to bottom.

As the preferred scheme, the inside middle level of transmission case is provided with the cylinder helical gear, and one side of cylinder helical gear is provided with the drive worm, and the middle part and the cylinder helical gear meshing transmission of drive worm, the middle part trompil of cylinder helical gear, cylinder helical gear cover are located the lower part outside of trough of belt main shaft, through round pin post and trough of belt main shaft fixed connection.

As a preferable scheme, the top surface of the main shaft with the groove is provided with a threaded hole; the upper side wall of the main shaft with the groove is provided with a horizontal through hole and a first inclined through hole; a first groove is horizontally arranged around the side wall of the middle part of the main shaft with the groove, and a second inclined through hole communicated with the horizontal through hole is arranged in the first groove; the lower side wall of the main shaft with the groove is horizontally provided with a pin hole.

As a preferable scheme, the follower disk consists of a cylindrical barrel and a curved surface disk, the curved surface disk is arranged in the middle of the outer side wall of the cylindrical barrel in a surrounding manner, and a notch is formed in the upper end of the cylindrical barrel; the top of the follower disk is provided with a main shaft cap, the main shaft cap is a disk with a hole in the middle and a clamping block at the edge, and the clamping block is clamped with a notch at the upper end of the cylinder; the follower is sleeved on the outer side of the upper part of the grooved main shaft, and the top surface of the grooved main shaft is fixedly connected with the main shaft cap through bolts.

As a preferable scheme, a second groove is formed in the upper portion of the plunger, the edge of the curved disc is located in the second groove, and the lower portion of the plunger is located in the main cavity; and positioning columns are arranged right below the plunger, the number of the positioning columns is the same as that of the plunger, the positioning columns are fixedly connected with the bottom surface of the main cavity, and the gap between the plunger and the positioning columns is a plunger cavity.

As a preferable scheme, the oil inlet hole and the first groove are positioned on the same horizontal plane; the oil outlet holes of the plurality of groups are distributed at equal intervals, the number of the oil outlet holes is the same as that of the plungers, and each oil outlet hole comprises an upper oil outlet hole and a lower oil outlet hole.

As the preferable scheme, a plurality of long screws are arranged in the transmission case, and the transmission case is fixedly connected with the bottom of the main cavity through the long screws.

Preferably, the top cover and the main cavity are rotationally connected through threads.

According to the utility model, the following disk is arranged to drive the plungers to reciprocate up and down, so that the multi-point oil outlet is realized, and the use requirement of multi-point lubrication can be met. The movement distance of the plunger is adjusted through the adjusting bolt, so that the oil discharge amount can be conveniently adjusted. The traditional electromagnetic reversing control is replaced by a mechanical transmission mode of a transmission worm, a cylindrical helical gear and a main shaft with a groove, so that the service life of the device is greatly prolonged.

Drawings

Fig. 1 is an overall construction diagram of the present utility model.

Fig. 2 is an internal structural view of the present utility model.

Fig. 3 is a longitudinal sectional view of a grooved spindle.

Fig. 4 is a view showing the internal structure of the top cover.

Fig. 5 is a perspective view of the pallet.

Fig. 6 is a perspective view of the main shaft cap.

Fig. 7 is a perspective view of the plunger.

Fig. 8 is an exploded view of the present utility model.

In the figure: 1. a top cover; 2. a main cavity; 3. a transmission case; 4. a long screw; 5. cylindrical helical gear; 6. a drive worm; 7. a grooved spindle; 8. a horizontal through hole; 9. a first inclined through hole; 10. a first groove; 11. a second inclined through hole; 12. a pin hole; 13. a pallet; 14. a spindle cap; 15. a plunger; 16. a second groove; 17. an adjusting bolt; 18. positioning columns; 19. an oil inlet hole; 20. an oil outlet hole; 21. and (5) a bolt.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings of the embodiments provided by the present utility model. It should be noted that, in the description of the present utility model, terms such as "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like, which indicate orientation or positional relationship, are merely for convenience of description, and do not designate a specific orientation that the described components or devices must have, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "mounted," "configured to," "connected," and the like, are intended to be broadly interpreted, as referring to "connected," either permanently connected or removably connected; the mechanical connection and the electrical connection can be adopted; either direct or indirect connection. The specific meaning of the above terms in the present utility model should be understood by those of ordinary skill in the art according to the specific circumstances.

The utility model provides a multiple spot oil outlet plunger pump, is shown as fig. 1 and 8, includes top cap 1, main cavity 2 and transmission case 3, and top cap 1 is located directly over main cavity 2, through screw thread swivelling joint, and transmission case 3 sets up under main cavity 2, and transmission case 3 is inside to be provided with a plurality of long screw rods 4, and transmission case 3 passes through the bottom fixed connection of long screw rod 4 and main cavity 2.

As shown in fig. 2, a cylindrical helical gear 5 is horizontally arranged in the middle of the inside of the transmission case 3, a transmission worm 6 is arranged on one side of the cylindrical helical gear 5, and the middle of the transmission worm 6 is meshed with the cylindrical helical gear 5 for transmission.

As shown in fig. 3, a main shaft 7 with a groove is vertically arranged in the transmission case 3, and a threaded hole is formed in the top surface of the main shaft 7 with the groove; the upper side wall of the main shaft 7 with the groove is provided with a horizontal through hole 8 and a first inclined through hole 9; a first groove 10 is horizontally arranged around the side wall of the middle part of the main shaft 7 with the groove, and a second inclined through hole 11 communicated with the horizontal through hole 8 is arranged in the first groove 10; the lower side wall of the grooved spindle 7 is horizontally provided with a pin hole 12. The middle part of the cylindrical helical gear 5 is provided with a hole, the cylindrical helical gear 5 is sleeved on the outer side of the lower part of the grooved main shaft 7, the cylindrical helical gear is fixedly connected with the grooved main shaft 7 through a pin, and the upper end of the grooved main shaft 7 penetrates through the main cavity 2 and extends to the inside of the top cover 1.

As shown in fig. 4 and 5, the top cover 1 is provided with a follower disk 13 at the inner center, the follower disk 13 is composed of a cylinder and a curved disk, the curved disk is circumferentially arranged at the middle part of the outer side wall of the cylinder, and a notch is formed at the upper end of the cylinder. The top of the follower disk 13 is provided with a spindle cap 14, and as shown in fig. 6, the spindle cap 14 is a disk with a hole in the middle and a clamping block at the edge, and the clamping block is clamped with a notch at the upper end of the cylinder. The follower disk 13 is sleeved on the outer side of the upper portion of the grooved main shaft 7, the top surface of the grooved main shaft 7 is fixedly connected with the main shaft cap 14 through bolts 21, and when the grooved main shaft 7 rotates, the follower disk 13 is driven by the clamping blocks to synchronously rotate.

As shown in fig. 4 and 7, a plurality of plungers 15 are equidistantly and circumferentially arranged around the pallet 13, a second groove 16 is formed in the upper portion of each plunger 15, the edge of the curved-surface disc is located in the second groove 16, and when the pallet 13 rotates, the plungers 15 are driven to reciprocate up and down; the lower part of the plunger 15 is located in the main cavity 2. The upper end of the plunger 15 is provided with an adjusting bolt 17 for adjusting the movement distance of the plunger 15, so that the functions of adjusting oil absorption and oil discharge can be achieved; the plunger 15 is provided with reference columns 18 under, and the quantity of reference columns 18 is the same with plunger 15, and reference columns 18 and the bottom surface fixed connection of main cavity 2, plunger 15 and reference column 18's clearance are the plunger chamber.

As shown in fig. 1, the side wall of the main cavity 2 is provided with an oil inlet 19 and a plurality of groups of oil outlet 20, and the oil inlet 19 and the first groove 10 are positioned on the same horizontal plane; the oil outlet holes 20 are equidistantly distributed, the number of the oil outlet holes 20 is the same as that of the plungers 15, and each oil outlet hole 20 comprises an upper part and a lower part.

The transmission process of the utility model is as follows:

(1) The external motor drives the transmission worm 6 to rotate, and then drives the cylindrical helical gear 5 to rotate.

(2) The cylindrical helical gear 5 rotates to drive the main shaft 7 with the groove to synchronously rotate.

(3) The grooved spindle 7 rotates to drive the follower disk 13 to synchronously rotate.

(4) The follower disk 13 rotates to drive the plunger 15 to reciprocate up and down.

The working principle of the utility model is as follows: lubricating oil enters the first groove 10 from the oil inlet hole 19, when the follower disk 13 rotates to drive the plunger 15 to move upwards, the plunger cavity forms negative pressure due to the volume increase, and the lubricating oil in the first groove 10 is sucked into the plunger cavity through the second inclined through hole 11 and the horizontal through hole 8 to finish the oil suction process; when the follower disk 13 continues to rotate and drives the plunger 15 to move downwards, the volume of the plunger cavity is reduced, and lubricating oil in the plunger cavity can be discharged from the oil outlet 20 through the first inclined through hole 9 under the action of pressure, so that the oil discharge process is completed.

It is apparent that the present utility model has been described in terms of only some, but not all embodiments. Based on the embodiments provided herein, other embodiments that may be obtained by one of ordinary skill in the art without undue burden are also within the scope of the present utility model.

Claims

1. The utility model provides a multiple spot goes out oil plunger pump, includes top cap (1), main cavity body (2) and transmission case (3), and top cap (1) are located directly over main cavity body (2), and transmission case (3) set up under main cavity body (2), its characterized in that: the side wall of the main cavity (2) is provided with an oil inlet (19) and a plurality of groups of oil outlet (20); a main shaft (7) with a groove is vertically arranged in the transmission case (3), and the upper end of the main shaft (7) with the groove penetrates through the main cavity (2) and extends into the top cover (1); the novel movable lifting device is characterized in that a follower disk (13) is arranged in the center of the inside of the top cover (1), a plurality of plungers (15) are arranged around the follower disk (13) at equal intervals, an adjusting bolt (17) used for adjusting the moving distance of the plungers (15) is arranged at the upper end of each plunger (15), and the follower disk (13) rotates to drive the plungers (15) to reciprocate up and down.

2. The multi-point oil delivery plunger pump of claim 1, wherein: the transmission box is characterized in that a cylindrical bevel gear (5) is horizontally arranged in the middle of the transmission box (3), a transmission worm (6) is arranged on one side of the cylindrical bevel gear (5), the middle of the transmission worm (6) is in meshed transmission with the cylindrical bevel gear (5), a hole is formed in the middle of the cylindrical bevel gear (5), the cylindrical bevel gear (5) is sleeved on the outer side of the lower portion of the grooved spindle (7), and the cylindrical bevel gear (5) is fixedly connected with the grooved spindle (7) through a pin.

3. The multi-point oil delivery plunger pump of claim 1, wherein: the top surface of the main shaft (7) with the groove is provided with a threaded hole; the upper side wall of the main shaft (7) with the groove is provided with a horizontal through hole (8) and a first inclined through hole (9); a first groove (10) is horizontally arranged around the side wall of the middle part of the main shaft (7) with the groove, and a second inclined through hole (11) communicated with the horizontal through hole (8) is arranged in the first groove (10); the side wall of the lower part of the main shaft (7) with the groove is horizontally provided with a pin hole (12).

4. The multi-point oil delivery plunger pump of claim 1, wherein: the following disc (13) consists of a cylindrical barrel and a curved disc, the curved disc is arranged in the middle of the outer side wall of the cylindrical barrel in a surrounding manner, and a notch is formed in the upper end of the cylindrical barrel; a main shaft cap (14) is arranged at the top of the follower disk (13), the main shaft cap (14) is a disk with a hole in the middle and a clamping block at the edge, and the clamping block is clamped with a notch at the upper end of the cylinder; the follower disk (13) is sleeved on the outer side of the upper portion of the grooved main shaft (7), and the top surface of the grooved main shaft (7) is fixedly connected with the main shaft cap (14) through bolts (21).

5. The multi-point oil delivery plunger pump of claim 1, wherein: a second groove (16) is formed in the upper portion of the plunger (15), the edge of the curved disc is located in the second groove (16), and the lower portion of the plunger (15) is located in the main cavity (2); and positioning columns (18) are arranged right below the plungers (15), the number of the positioning columns (18) is the same as that of the plungers (15), the positioning columns (18) are fixedly connected with the bottom surface of the main cavity (2), and the gap between the plungers (15) and the positioning columns (18) is a plunger cavity.

6. The multi-point oil delivery plunger pump of claim 1, wherein: the oil inlet hole (19) and the first groove (10) are positioned on the same horizontal plane; the oil outlet holes (20) are distributed at equal intervals, the number of the oil outlet holes (20) is the same as that of the plungers (15), and each oil outlet hole (20) comprises an upper part and a lower part.

7. The multi-point oil delivery plunger pump of claim 1, wherein: the transmission case (3) is internally provided with a plurality of long screws (4), and the transmission case (3) is fixedly connected with the bottom of the main cavity (2) through the long screws (4).

8. The multi-point oil delivery plunger pump of claim 1, wherein: the top cover (1) is rotationally connected with the main cavity (2) through threads.