CN210509577U

CN210509577U - Rubber liquid pump

Info

Publication number: CN210509577U
Application number: CN201921380507.9U
Authority: CN
Inventors: 张冠宇; 张艳君; 张伟
Original assignee: Tianjin Junyu Technology Co ltd
Current assignee: Tianjin Junyu Technology Co ltd
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-05-12
Anticipated expiration: 2029-08-23

Abstract

The utility model discloses a rubber liquid pump, including the pump body, feed liquor end, driving gear, mounting structure and mechanical seal structure, the feed liquor end is installed to the bottom of the pump body, and is provided with inlet channel bottom the pump body of feed liquor end position department to be provided with the mechanical seal structure on the inner wall of feed liquor end, the inside second circulation chamber that is provided with of the pump body of feed liquor channel top, and the inside first circulation chamber that is provided with of the pump body of second circulation chamber one side to the inside liquid pressing chamber that is provided with of the pump body of first circulation chamber top, the inside in liquid pressing chamber is provided with the driving shaft, and the liquid pressing intracavity portion of driving shaft top is provided with the driven shaft to weld equidistant left rotor and the right rotor on the outer wall of driven shaft and driving shaft both sides respectively, the cover is equipped with the bearing on the outer wall of driving shaft. The utility model discloses not only reduced the condition that reveals appears in fluid, improved the convenience when the bearing overhauls, improved the rationality of hydraulic pump inner structure moreover.

Description

Rubber liquid pump

Technical Field

The utility model relates to a high-pressure pump technical field specifically is a rubber liquid pump.

Background

The hydraulic pump is a power element of a hydraulic system, is driven by an engine or a motor, sucks oil from a hydraulic oil tank, and discharges pressure oil, and is structurally divided into a gear pump, a plunger pump, a vane pump and a screw pump.

The hydraulic pumps on the market are various and can basically meet the use requirements of people, but certain defects still exist, and the specific problems are as follows.

(1) When the traditional hydraulic pump is used, due to poor sealing performance, the liquid leakage is easy to occur, and meanwhile, the pressure is easy to reduce sharply, so that the inconvenience is caused to the transmission work of oil liquid;

(2) when the traditional hydraulic pump is used for overhauling the bearing, the pump body is not easy to locally dismantle, so that the convenience degree in maintenance is not high;

(3) when the traditional hydraulic pump is used, a power source is usually required to drive the pump body, the rationalization degree of the internal structure of the pump body is not high, and the utilization degree of the power source is not high enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rubber liquid pump to it is not good to propose the leakproofness of hydraulic pump when using in solving above-mentioned background art, maintains the inconvenient and not high enough problem of utilization degree of power supply.

In order to achieve the above object, the utility model provides a following technical scheme: a rubber liquid pump comprises a pump body, a liquid inlet end, a driving gear, a mounting structure and a mechanical seal structure, wherein the liquid inlet end is mounted at the bottom end of the pump body, a liquid inlet channel is arranged at the bottom of the pump body at the position of the liquid inlet end, the mechanical seal structure is arranged on the inner wall of the liquid inlet end, a second circulation cavity is arranged inside the pump body above the liquid inlet channel, a first circulation cavity is arranged inside the pump body on one side of the second circulation cavity, a liquid pressing cavity is arranged inside the pump body above the first circulation cavity, a driving shaft is arranged inside the liquid pressing cavity, a driven shaft is arranged inside the liquid pressing cavity above the driving shaft, a left rotor and a right rotor which are equidistant are welded on the outer walls of the driven shaft and the driving shaft respectively, a bearing is sleeved on the outer wall of one side of the driving shaft and the driven shaft, and a positioning sleeve, one side of the pump body is provided with the gear box, and the opposite side of the pump body is provided with the cooler bin, the inside mounting that all is fixed with of the pump body of cooler bin one side, and be provided with mounting structure on the cooler bin outer wall of mounting position department, be fixed with the bush on the inner wall of pump body both sides, and the top of the pump body is provided with out the liquid end.

Preferably, threaded rod, thread groove and mounting groove have set gradually to mounting structure's inside, all are provided with the mounting groove on the outer wall of mounting one side, and are provided with the thread groove on the cooler bin outer wall of mounting groove position department, and the inside threaded connection of thread groove has the threaded rod, and the one end of threaded rod extends to the inside of mounting groove, and the other end of threaded rod extends to the outside of thread groove.

Preferably, one end of the driven shaft extends to the inside of the gear box and is provided with a driven gear, a second fastening nut is fixed at one end of the driven shaft on one side of the driven gear, and the other end of the driven shaft penetrates through the cooling box and extends to the outside of the pump body.

Preferably, the one end of driving shaft extends to the inside of gear box and installs the driving gear, driving gear and driven gear intermeshing, and the driving shaft one end of driving gear one side is fixed with first fastening nut to the other end of driving shaft runs through the cooler bin and extends to the outside of the pump body.

Preferably, the inside of machine seal structure has set gradually quiet ring, rotating ring, seal groove and sealing washer, installs quiet ring on the inner wall of feed liquor end, and the rotating ring is installed to one side of quiet ring.

Preferably, a sealing groove is formed in the outer wall of one side, away from the static ring, of the movable ring, and a sealing ring is fixed inside the sealing groove.

Compared with the prior art, the beneficial effects of the utility model are that: the rubber liquid pump not only reduces the leakage of oil, improves the convenience of bearing maintenance, but also improves the rationality of the internal structure of the hydraulic pump;

(1) the static ring, the movable ring, the sealing groove and the sealing ring are arranged, the static ring and the movable ring on the inner wall of the liquid inlet end are matched with each other, and meanwhile, under the action of the sealing ring in the sealing groove, the sealing performance of the liquid inlet end is improved, so that the condition that oil is leaked is reduced;

(2) by arranging the threaded rod, the threaded groove and the mounting groove, the threaded rod is rotated to be screwed out from the inside of the mounting groove and drive the cooling box to be far away from the pump body, so that the disassembly work of the cooling box is completed, and the convenience in maintenance of the bearing is improved;

(3) through being provided with driving gear, driven gear, driving shaft, driven shaft, left rotor and dextrorotation son, the driving gear rotation of driving shaft one end drives driven gear rotatory to make the driven shaft rotate, the levorotation son on driving shaft and the driven shaft outer wall is rotatory and the meshing with the dextrorotation son, has improved the rationality of hydraulic pump inner structure.

Drawings

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

FIG. 2 is a schematic view of the liquid inlet end of the present invention showing an enlarged structure from the bottom;

FIG. 3 is a side view of the driving gear of the present invention showing an enlarged structure;

FIG. 4 is an enlarged schematic view of the mounting structure of the present invention;

fig. 5 is an enlarged schematic structural view of the mechanical seal structure of the present invention.

In the figure: 1. a fixing member; 2. a pump body; 3. a first flow-through chamber; 4. a liquid inlet end; 5. a liquid inlet channel; 6. a second flow-through chamber; 7. a fluid pressurizing chamber; 8. a gear case; 9. a first fastening nut; 10. a driving gear; 11. a second fastening nut; 12. a driven gear; 13. a bushing; 14. a left rotator; 15. a liquid outlet end; 16. a right rotator; 17. a positioning sleeve; 18. a bearing; 19. a mounting structure; 1901. a threaded rod; 1902. a thread groove; 1903. mounting grooves; 20. a driven shaft; 21. a cooling tank; 22. a drive shaft; 23. a machine seal structure; 2301. a stationary ring; 2302. a moving ring; 2303. a sealing groove; 2304. and (5) sealing rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a rubber liquid pump comprises a pump body 2, a liquid inlet end 4, a driving gear 10, a mounting structure 19 and a mechanical seal structure 23, wherein the liquid inlet end 4 is mounted at the bottom end of the pump body 2, a liquid inlet channel 5 is arranged at the bottom of the pump body 2 at the position of the liquid inlet end 4, and the mechanical seal structure 23 is arranged on the inner wall of the liquid inlet end 4;

a stationary ring 2301, a movable ring 2302, a sealing groove 2303 and a sealing ring 2304 are sequentially arranged in the mechanical seal structure 23, the stationary ring 2301 is installed on the inner wall of the liquid inlet end 4, the movable ring 2302 is installed on one side of the stationary ring 2301, the sealing groove 2303 is arranged on the outer wall of the movable ring 2302 on the side far away from the stationary ring 2301, and the sealing ring 2304 is fixed in the sealing groove 2303;

the static ring 2301 on the inner wall of the liquid inlet end 4 is matched with the dynamic ring 2302, and meanwhile, under the action of the sealing ring 2304 in the sealing groove 2303, the sealing performance of the liquid inlet end 4 is improved, so that the condition of leakage of oil liquid is reduced;

a second circulation cavity 6 is arranged in the pump body 2 above the liquid inlet channel 5, a first circulation cavity 3 is arranged in the pump body 2 on one side of the second circulation cavity 6, a liquid pressing cavity 7 is arranged in the pump body 2 above the first circulation cavity 3, a driving shaft 22 is arranged in the liquid pressing cavity 7, a driven shaft 20 is arranged in the liquid pressing cavity 7 above the driving shaft 22, and the outer walls of the driven shaft 20 and the driving shaft 22 at two sides are respectively welded with a left rotor 14 and a right rotor 16 which are at equal intervals;

one end of the driven shaft 20 extends to the inside of the gear box 8 and is provided with a driven gear 12, one end of the driven shaft 20 on one side of the driven gear 12 is fixedly provided with a second fastening nut 11, the other end of the driven shaft 20 penetrates through the cooling box 21 and extends to the outside of the pump body 2, one end of the driving shaft 22 extends to the inside of the gear box 8 and is provided with a driving gear 10, the driving gear 10 is meshed with the driven gear 12, one end of the driving shaft 22 on one side of the driving gear 10 is fixedly provided with a first fastening nut 9, and the other end of the driving shaft 22 penetrates through the cooling box 21 and extends to the outside of the pump body 2 to;

the outer walls of one sides of the driving shaft 22 and the driven shaft 20 are sleeved with bearings 18, the outer walls of the driving shaft 22 and the driven shaft 20 on one sides of the bearings 18 are provided with positioning sleeves 17, one side of the pump body 2 is provided with a gear box 8, the other side of the pump body 2 is provided with a cooling box 21, the interior of the pump body 2 on one side of the cooling box 21 is fixed with a fixing part 1, the outer wall of the cooling box 21 at the position of the fixing part 1 is provided with a mounting structure 19, the inner walls on two sides of the pump body 2 are fixed with bushings 13, and the top end of the;

a threaded rod 1901, a threaded groove 1902 and an installation groove 1903 are sequentially arranged inside the installation structure 19, the installation groove 1903 is arranged on the outer wall of one side of the fixing piece 1, the threaded groove 1902 is arranged on the outer wall of the cooling box 21 at the position of the installation groove 1903, the threaded rod 1901 is connected with the internal thread of the threaded groove 1902 in a threaded manner, one end of the threaded rod 1901 extends to the inside of the installation groove 1903, and the other end of the threaded rod 1901 extends to the outside of the threaded groove 1902;

the staff makes its inside from mounting groove 1903 screw out and drives the cooling box 21 and keep away from the pump body 2 through rotatory threaded rod 1901, accomplishes the dismantlement work of cooling box 21, has improved the convenience when bearing 18 overhauls.

The working principle is as follows: when the hydraulic pump is used, a worker firstly connects the driving shaft 22 on one side of the hydraulic pump with external driving equipment, secondly, the external driving equipment is electrified to enable the driving shaft 22 to rotate, at the moment, the driving gear 10 on one end of the driving shaft 22 rotates to drive the driven gear 12 to rotate, so that the driven shaft 20 rotates, then oil is led into the liquid inlet channel 5 from the liquid inlet end 4, the oil respectively enters the liquid pressing cavity 7 from the second circulation cavity 6 and the first circulation cavity 3, in the process, the static ring 2301 and the dynamic ring 2302 on the inner wall of the liquid inlet end 4 are mutually matched, meanwhile, the sealing performance of the liquid inlet end 4 is improved under the action of the sealing ring 2304 in the sealing groove 2303, the condition that the oil is leaked is reduced, then, the left rotor 14 and the right rotor 16 on the outer walls of the driving shaft 22 and the driven shaft 20 rotate and are meshed, the oil is squeezed from two sides to the center and is discharged from the liquid outlet end, finally, the staff makes it screw out and drive the cooling tank 21 and keep away from the pump body 2 from the inside of mounting groove 1903 through rotatory threaded rod 1901, accomplishes the dismantlement work of cooling tank 21, has improved the convenience when bearing 18 overhauls, accomplishes the work of rubber liquid pump.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a rubber liquid pump, includes the pump body (2), feed liquor end (4), driving gear (10), mounting structure (19) and mechanical seal structure (23), its characterized in that: the liquid inlet end (4) is installed at the bottom end of the pump body (2), a liquid inlet channel (5) is arranged at the bottom of the pump body (2) at the position of the liquid inlet end (4), a sealing structure (23) is arranged on the inner wall of the liquid inlet end (4), a second circulation cavity (6) is arranged inside the pump body (2) above the liquid inlet channel (5), a first circulation cavity (3) is arranged inside the pump body (2) on one side of the second circulation cavity (6), a liquid pressing cavity (7) is arranged inside the pump body (2) above the first circulation cavity (3), a driving shaft (22) is arranged inside the liquid pressing cavity (7) above the driving shaft (22), a driven shaft (20) is arranged inside the liquid pressing cavity (7) above the driving shaft (22), and a left rotator (14) and a right rotator (16) which are equidistant are welded on the outer walls of the two sides of the driven shaft (20) and the driving shaft (22, the utility model discloses a cooling pump, including driving shaft (22), driven shaft (20), gear box (8), cooling box (21), mounting structure (19), bearing (18) are overlapped on the outer wall of driving shaft (22) and driven shaft (20) one side, and install position sleeve (17) on driving shaft (22) and the driven shaft (20) outer wall of bearing (18) one side, one side of the pump body (2) is provided with gear box (8), and the opposite side of the pump body (2) is provided with cooling box (21), the inside mounting (1) that all is fixed with of the pump body (2) of cooling box (21) one side, and be provided with mounting structure (19) on cooling box (21) outer wall of mounting (1) position department, be fixed with bush (13) on the inner wall.

2. A rubber liquid pump according to claim 1, wherein: threaded rod (1901), thread groove (1902) and mounting groove (1903) have set gradually to the inside of mounting structure (19), all be provided with mounting groove (1903) on the outer wall of mounting piece (1) one side, and be provided with thread groove (1902) on cooling tank (21) outer wall of mounting groove (1903) position department, and the internal thread of thread groove (1902) is connected with threaded rod (1901), and the one end of threaded rod (1901) extends to the inside of mounting groove (1903), and the other end of threaded rod (1901) extends to the outside of thread groove (1902).

3. A rubber liquid pump according to claim 1, wherein: one end of the driven shaft (20) extends to the inside of the gear box (8) and is provided with a driven gear (12), one end of the driven shaft (20) on one side of the driven gear (12) is fixed with a second fastening nut (11), and the other end of the driven shaft (20) penetrates through the cooling box (21) and extends to the outside of the pump body (2).

4. A rubber liquid pump according to claim 3, wherein: one end of the driving shaft (22) extends to the inside of the gear box (8) and is provided with a driving gear (10), the driving gear (10) is meshed with a driven gear (12), one end of the driving shaft (22) on one side of the driving gear (10) is fixed with a first fastening nut (9), and the other end of the driving shaft (22) penetrates through the cooling box (21) and extends to the outside of the pump body (2).

5. A rubber liquid pump according to claim 1, wherein: the inside of machine seal structure (23) has set gradually quiet ring (2301), rotating ring (2302), seal groove (2303) and sealing washer (2304), install quiet ring (2301) on the inner wall of feed liquor end (4), and one side of quiet ring (2301) installs rotating ring (2302).

6. A rubber liquid pump according to claim 5, wherein: the outer wall of one side, far away from the static ring (2301), of the dynamic ring (2302) is provided with a sealing groove (2303), and a sealing ring (2304) is fixed inside the sealing groove (2303).