CN219993917U - Sealing structure for gear oil pump - Google Patents

Abstract

The utility model discloses a sealing structure for a gear oil pump, which belongs to the technical field of gear oil pumps and comprises a supporting seat, wherein a shell is fixedly arranged at the upper end of the supporting seat, a side cover is arranged on one side of the shell, a driving shaft is fixedly arranged on one side of the shell, a first through hole is formed in the side cover, a second through hole is formed in one side of the shell, a mounting hole is formed in the outer wall of the shell, a clamping block is arranged on one side of the side cover, a clamping hole is formed in one side of the shell, a connecting block is fixedly arranged on one side, away from the side cover, of the shell, a bearing is fixedly arranged on the outer wall of the driving shaft, a first sealing ring is arranged on one side of the bearing, and a second sealing ring is arranged on the outer wall of the driving shaft. Therefore, the sealing of the joint can be realized, the condition of liquid leakage of the outer wall of the driving shaft is avoided, and the use is convenient.

Description

Sealing structure for gear oil pump

Technical Field

The utility model relates to a sealing structure for a gear oil pump, in particular to a sealing structure for a gear oil pump, and belongs to the technical field of gear oil pumps.

Background

The gear oil pump is suitable for conveying various lubricating liquids, the gear oil pump is operated by mutually meshed rotation of two gears, the gear oil pump is poor in self-sealing effect during operation, oil liquid leakage easily occurs in a main shaft on one side of the gear oil pump during operation, and oil liquid leakage not only can cause oil liquid waste.

The patent of current patent number CN204553212U proposes a gear oil pump seal structure for teaching, its device is through the partly suit self-lubricating rubber seal who extends work appearance chamber at the initiative gear shaft, it not only can not influence the dynamic teaching demonstration of gear oil pump, make the fluid seepage clearance on the pump body obtain obvious shutoff moreover, thereby effectively improved the seal structure of gear oil pump, only use the oil-resistant paper to seal when the left pump cover of its device is connected with the casing, the contact is incomplete between the metal can appear, the condition emergence that leads to liquid to spill, to above-mentioned problem, the utility model provides a seal structure for gear oil pump makes things convenient for people to use.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a sealing structure for a gear oil pump, which can realize more stable and tight connection of a side cover and a shell, fasten and solve the technical problem of liquid leakage at the joint of the side cover and a pump body in the prior art.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a seal structure for gear oil pump, includes the supporting seat, the upper end of supporting seat is fixedly provided with the casing, one side of casing is provided with the side cap, one side of casing is fixedly provided with the driving shaft, first through-hole has been seted up to the inside of side cap, the second through-hole has been seted up to one side of casing, the mounting hole has been seted up to the outer wall of casing, one side of side cap is provided with the fixture block, the draw-in hole has been seted up to one side of casing;

the utility model discloses a motor drive shaft, including casing, side cap, bearing, first sealing washer, second sealing washer, the casing is kept away from the fixed connecting block that is provided with in one side of side cap, the fixed bearing that is provided with of outer wall of driving shaft, one side of bearing is provided with first sealing washer, the outer wall of driving shaft is provided with the second sealing washer.

Further, a driving gear is arranged on the outer wall of the driving shaft, and a driven gear is meshed with the lower end of the driving gear.

Further, the inside of first through-hole is provided with the dead bolt of lock, the outer wall screw thread of dead bolt is provided with the nut.

Further, one side of the clamping block is communicated with the inside of the clamping hole, and a sealing sleeve is fixedly arranged on one side of the shell.

Further, the first sealing ring is located on the outer wall of the driving shaft.

Further, the first sealing ring and the second sealing ring are made of rubber.

Further, the front end of the shell is fixedly provided with a liquid inlet pipe.

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

1. according to the utility model, through the structure for ensuring the connection stability between the side cover and the pump body, the clamping block and the clamping hole are arranged for auxiliary resort, and the sealing sleeve is used for ensuring the soft seal of the side cover and the shell, so that the condition that the liquid is exposed is avoided;

2. according to the utility model, through the arrangement of the double-layer sealing ring and the arrangement of the bearing between the two sealing rings, the leakage of the liquid from the outer wall of the driving shaft is ensured, and after the liquid permeates the first sealing ring, the liquid stays on the outer wall of the bearing for lubrication, and the second sealing ring is arranged, so that the leakage of the liquid to the outer side is prevented, and the double-layer sealing is realized.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic view showing the overall structure of a seal structure for a gear oil pump according to the present utility model;

FIG. 2 is a schematic front sectional view of a seal structure for a gear oil pump according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is an enlarged view at B of fig. 2.

In the figure: 1. a support base; 2. a housing; 3. a side cover; 4. a driving shaft; 5. a drive gear; 6. a driven gear; 7. a first through hole; 8. a second through hole; 9. a mounting hole; 10. locking the bolt; 11. a nut; 12. a clamping block; 13. a clamping hole; 14. sealing sleeve; 15. a connecting block; 16. a bearing; 17. a first seal ring; 18. a second seal ring; 19. a liquid inlet pipe.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the sealing structure for a gear oil pump provided in this embodiment includes a supporting seat 1, a housing 2 fixedly provided at an upper end of the supporting seat 1, a liquid inlet pipe 19 fixedly provided at a front end of the housing 2, the liquid inlet pipe 19 facilitating entry of liquid, a sealing sleeve 14 fixedly provided at one side of the housing 2, a side cover 3 provided at one side of the housing 2,

a driving shaft 4 is fixedly arranged on one side of the shell 2, a driving gear 5 is arranged on the outer wall of the driving shaft 4, a driven gear 6 is meshed with the lower end of the driving gear 5, a first through hole 7 is formed in the side cover 3, a locking bolt 10 is arranged in the first through hole 7 and used for fixing the side cover 3 and the shell 2, a nut 11 is arranged on the outer wall thread of the locking bolt 10,

a second through hole 8 is formed in one side of the shell 2, a mounting hole 9 is formed in the outer wall of the shell 2, a clamping block 12 is arranged in one side of the side cover 3, a clamping hole 13 is formed in one side of the shell 2, and one side of the clamping block 12 is communicated with the inside of the clamping hole 13;

the fixed connecting block 15 that is provided with in one side that the side cap 3 was kept away from to casing 2, the fixed bearing 16 that is provided with of outer wall of driving shaft 4, one side of bearing 16 is provided with first sealing washer 17, and first sealing washer 17 seals once, and first sealing washer 17 is located the outer wall of driving shaft 4, and the outer wall of driving shaft 4 is provided with second sealing washer 18, and second sealing washer 18 carries out the secondary to the liquid that first sealing washer 17 was revealed and intercepts, and the liquid that is located around bearing 16 through the interception can play lubricated effect, and the material of first sealing washer 17 and second sealing washer 18 is rubber.

The application principle and the application flow of the utility model are as follows: when the sealing sleeve is used, the clamping block 12 on one side of the side cover 3 is clamped into the clamping hole 13, so that the purpose of guiding connection is achieved, the locking bolt 10 passes through the first through hole 7 and the second through hole 8, finally passes through the mounting hole 9, then is fixed by using the nut 11, the nut 11 is screwed down, one side of the side cover 3 is extruded to the sealing sleeve 14, soft sealing of a contact position can be achieved, when an oil body is permeated into the outside from the driving shaft 4, the oil body can firstly stay on the outer wall of the bearing 16 through the first sealing ring 17, secondary interception can be achieved due to the design of the second sealing ring 18, liquid leaked for the first time is intercepted, and better sealing is achieved.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific circumstances.

While the utility model has been described in connection with specific embodiments, it will be apparent to those skilled in the art that the description is intended to be illustrative and not limiting in scope. Various modifications and alterations of this utility model will occur to those skilled in the art in light of the spirit and principles of this utility model, and such modifications and alterations are also within the scope of this utility model.

Claims (7)

1. The utility model provides a seal structure for gear oil pump, its characterized in that, including supporting seat (1), the upper end of supporting seat (1) is fixed to be provided with casing (2), one side of casing (2) is provided with side cap (3), one side of casing (2) is fixed to be provided with driving shaft (4), first through-hole (7) have been seted up to the inside of side cap (3), second through-hole (8) have been seted up to one side of casing (2), mounting hole (9) have been seted up to the outer wall of casing (2), one side of side cap (3) is provided with fixture block (12), draw-in hole (13) have been seted up to one side of casing (2);

connecting block (15) is fixedly arranged on one side, far away from the side cover (3), of the shell (2), a bearing (16) is fixedly arranged on the outer wall of the driving shaft (4), a first sealing ring (17) is arranged on one side of the bearing (16), and a second sealing ring (18) is arranged on the outer wall of the driving shaft (4).

2. The sealing structure for a gear oil pump according to claim 1, wherein a driving gear (5) is provided on an outer wall of the driving shaft (4), and a driven gear (6) is engaged with a lower end of the driving gear (5).

3. The sealing structure for the gear oil pump according to claim 1, wherein a locking bolt (10) is arranged in the first through hole (7), and a nut (11) is arranged on the outer wall thread of the locking bolt (10).

4. The sealing structure for the gear oil pump according to claim 1, wherein one side of the clamping block (12) is communicated with the inside of the clamping hole (13), and a sealing sleeve (14) is fixedly arranged on one side of the shell (2).

5. A sealing structure for a gear oil pump according to claim 1, characterized in that the first sealing ring (17) is located on the outer wall of the driving shaft (4).

6. The sealing structure for the gear oil pump according to claim 1, wherein the first sealing ring (17) and the second sealing ring (18) are made of rubber.

7. The sealing structure for the gear oil pump according to claim 1, wherein the front end of the housing (2) is fixedly provided with a liquid inlet pipe (19).