CN218266329U

CN218266329U - Gear pump with good sealing effect

Info

Publication number: CN218266329U
Application number: CN202222679729.9U
Authority: CN
Inventors: 刘海龙
Original assignee: Tianjin Shide Hydraulic Technology Co ltd
Current assignee: Tianjin Shide Hydraulic Technology Co ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2023-01-10
Anticipated expiration: 2032-10-09

Abstract

The utility model relates to a gear pump technical field just discloses a sealed effectual gear pump, including the front end housing, the top fixedly connected with pump body of front end housing, the inside fixedly connected with bearing of the pump body, the inside fixedly connected with main shaft of bearing, the outer wall fixedly connected with driving gear of main shaft, the inside swing joint of the pump body has the thrust plate, one side swing joint of driving gear has driven gear, driven gear's inside fixedly connected with assists the axle, the top fixedly connected with rear end housing of the pump body, the fixed section of thick bamboo of top fixedly connected with of rear end housing. This sealed effectual gear pump can make this gear pump have good sealed effect, effectively improves the sealed effect and the sealing performance of gear pump, promotes the result of use of gear pump simultaneously to effectively prolong the life of gear pump, thereby make the practicality of this gear pump obtain certain promotion.

Description

Gear pump with good sealing effect

Technical Field

The utility model relates to a gear pump technical field specifically is a sealed effectual gear pump.

Background

Gear pumps are rotary pumps that deliver or pressurize fluid by virtue of the change in working volume and movement created between a pump cylinder and a meshing gear. Two gears, pump body and front and back covers form two closed spaces, when the gears rotate, the space on the gear disengagement side becomes larger from smaller to larger to form vacuum to suck liquid, and the space on the gear engagement side becomes smaller from larger to smaller to squeeze liquid into the pipeline. The suction chamber and the discharge chamber are separated by a meshing line of the two gears. The pressure at the discharge port of the gear pump is entirely dependent on the amount of resistance at the pump outlet.

The gear pump that current sealed effectual is sealed the effect relatively poor at the in-process that uses, leads to reducing the result of use to the gear pump to the main shaft of gear pump can cause certain wearing and tearing to the sealing member under the condition of long-time output, influences sealed effect, makes the practicality of gear pump reduce.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a sealed effectual gear pump possesses sealed effectual advantage such as, has solved the problem among the above-mentioned background art.

(II) technical scheme

For realizing the above-mentioned sealed effectual purpose, the utility model provides a following technical scheme: the utility model provides a sealed effectual gear pump, includes the front end housing, the top fixedly connected with pump body of front end housing, the inside fixedly connected with bearing of the pump body, the inside fixedly connected with main shaft of bearing, the outer wall fixedly connected with driving gear of main shaft, the inside swing joint of the pump body has the thrust plate, one side swing joint of driving gear has driven gear, the axle is assisted to driven gear's inside fixedly connected with.

The utility model discloses a gear pump, including the pump body, the top fixedly connected with rear end cap of the pump body, the top fixedly connected with solid fixed cylinder of rear end cap, the inside fixedly connected with carbon fiber sealing layer of solid fixed cylinder, the top fixedly connected with gland of solid fixed cylinder, gland's the first sealed pad of bottom fixedly connected with, the spacing section of thick bamboo of the bottom fixedly connected with of first sealed pad, the inner wall fixedly connected with sealing washer of spacing section of thick bamboo, gland's the sealed pad of top fixedly connected with second can make this gear pump have good sealed effect, effectively improve the sealed effect and the sealing performance of gear pump, promote the result of use of gear pump simultaneously to effectively prolong the life of gear pump, thereby make the practicality of this gear pump obtain certain promotion.

Preferably, the shape and size of the fixed cylinder and the shape and size of the limiting cylinder are matched with each other, and the fixed cylinder is fixedly connected with the limiting cylinder to perform double sealing on the main shaft.

Preferably, the regulation hole has been seted up to the inside of sealed pad of second, the wear-resistant coating of inner wall fixedly connected with of regulation hole is convenient for improve the stand wear and tear degree of sealing member, avoids the gear pump to carry out wearing and tearing to the sealing member under the condition of long-time work, influences the sealed effect of sealing member, effectively prolongs the life of sealing member.

Preferably, the shape and size of the wear-resistant coating are matched with those of the second sealing gasket, and the wear-resistant coating is fixedly connected with the second sealing gasket, so that the wear resistance of the second sealing gasket is improved.

Preferably, the shape and size of the carbon fiber sealing layer are matched with those of the main shaft, and the carbon fiber sealing layer is movably connected with the main shaft, so that the sealing performance between the main shaft and the fixed cylinder is improved.

Preferably, the shape and size of the sealing ring are matched with those of the fixed cylinder, and the sealing ring is fixedly connected with the fixed cylinder, so that the sealing performance of the fixed cylinder is improved.

Preferably, the shape and size of the second sealing gasket are matched with those of the sealing gland, and the second sealing gasket is fixedly connected with the sealing gland, so that the sealing performance of the sealing gland is improved.

(III) advantageous effects

Compared with the prior art, the utility model provides a sealed effectual gear pump possesses following beneficial effect:

1. this sealed effectual gear pump through the main shaft that sets up, solid fixed cylinder, carbon fiber sealing layer, gland, first sealed pad, spacing section of thick bamboo, sealing washer, the sealed pad of second, can be so that this gear pump has good sealed effect, effectively improves the sealed effect and the sealing performance of gear pump, promotes the result of use of gear pump simultaneously to effectively prolong the life of gear pump, thereby make the practicality of this gear pump obtain certain promotion.

2. This sealed effectual gear pump through the regulation hole and the wear resistant coating that set up, can be so that this gear pump has good protecting effect, is convenient for improve the wear resistant degree of sealing member, avoids the gear pump to wear and tear the sealing member under the circumstances of long-time work, influences the sealed effect of sealing member, effectively prolongs the life of sealing member to make the suitability of this gear pump obtain certain promotion.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a perspective view of the connection structure of the limiting cylinder and the sealing ring of the present invention;

fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention.

In the figure: 1. a front end cap; 2. a pump body; 3. a bearing; 4. a main shaft; 5. a driving gear; 6. a thrust plate; 7. a driven gear; 8. an auxiliary shaft; 9. a rear end cap; 10. a fixed cylinder; 11. a carbon fiber sealing layer; 12. a sealing gland; 13. a first gasket; 14. a limiting cylinder; 15. a seal ring; 16. a second gasket; 17. an adjustment hole; 18. a wear resistant coating.

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 efforts all belong to the protection scope of the present invention.

Example 1

The utility model provides a better embodiment of the effectual gear pump of seal is shown in fig. 1 to fig. 4: the utility model provides a sealed effectual gear pump, includes front end housing 1, the top fixedly connected with pump body 2 of front end housing 1, the inside fixedly connected with bearing 3 of the pump body 2, the inside fixedly connected with main shaft 4 of bearing 3, the outer wall fixedly connected with driving gear 5 of main shaft 4, the inside swing joint of the pump body 2 has thrust plate 6, one side swing joint of driving gear 5 has driven gear 7, the axle 8 is assisted to the inside fixedly connected with of driven gear 7.

The top fixedly connected with rear end cap 9 of the pump body 2, the fixed section of thick bamboo 10 of top fixedly connected with of rear end cap 9, the inside fixedly connected with carbon fiber sealing layer 11 of fixed section of thick bamboo 10, the top fixedly connected with gland 12 of fixed section of thick bamboo 10, the first sealed pad 13 of the first bottom fixedly connected with of gland 12, the spacing section of thick bamboo 14 of the bottom fixedly connected with of first sealed pad 13, the inner wall fixedly connected with sealing washer 15 of spacing section of thick bamboo 14, the sealed pad 16 of the top fixedly connected with second of gland 12, can make this gear pump have good sealed effect, effectively improve the sealed effect and the sealing performance of gear pump, promote the result of use of gear pump simultaneously, and effectively prolong the life of gear pump, thereby make the practicality of this gear pump obtain certain promotion.

In this embodiment, the shape and size of the fixed cylinder 10 are matched with the shape and size of the limiting cylinder 14, and the fixed cylinder 10 is fixedly connected with the limiting cylinder 14 to perform double sealing on the spindle 4.

Example 2

On the basis of embodiment 1, the preferred embodiment of the gear pump with good sealing effect provided by the utility model is shown in fig. 1 to 4: the regulation hole 17 has been seted up to the inside of sealed 16 of second, and the wear-resistant coating 18 of inner wall fixedly connected with of regulation hole 17 is convenient for improve the wear-resisting degree of sealing member, avoids the gear pump to wear and tear the sealing member under the condition of long-time work, influences the sealed effect of sealing member, effectively prolongs the life of sealing member.

In this embodiment, the shape and size of the wear-resistant coating 18 are matched with those of the second seal gasket 16, and the wear-resistant coating 18 is fixedly connected to the second seal gasket 16, so as to improve the wear resistance of the second seal gasket 16.

Furthermore, the shape and size of the carbon fiber sealing layer 11 are matched with the shape and size of the spindle 4, and the carbon fiber sealing layer 11 is movably connected with the spindle 4, so that the sealing performance between the spindle 4 and the fixed cylinder 10 is improved.

Furthermore, the shape and size of the sealing ring 15 are matched with those of the fixed cylinder 10, and the sealing ring 15 is fixedly connected with the fixed cylinder 10, so that the sealing performance of the fixed cylinder 10 is improved.

In addition, the shape and size of the second sealing gasket 16 are matched with the shape and size of the sealing gland 12, and the second sealing gasket 16 is fixedly connected with the sealing gland 12, so that the sealing performance of the sealing gland 12 is improved.

During the use, through the inside carbon fiber sealing layer 11 of fixed section of thick bamboo 10 and the setting of gland 12, improve the leakproofness of 4 departments of main shaft, establish sealing washer 15 and spacing section of thick bamboo 14 through wrapping at fixed section of thick bamboo 10 outer wall simultaneously, and cooperate the first sealed pad 13 and the sealed 16 of second of gland 12 both ends, promote the sealing performance to this gear pump once more, main shaft 4 can be to gland 12 at the in-process of output simultaneously, the inner wall of the sealed 16 inside regulation hole 17 of first sealed pad 13 and second is sealed rubs, wear-resistant coating 18 is effectual to be improved gland 12, the antifriction performance of the sealed pad 16 of first sealed pad 13 and second, avoid wearing and tearing to influence sealed effect, thereby work is accomplished.

To sum up, this sealed effectual gear pump, can make this gear pump have good sealed effect, effectively improve the sealed effect and the sealing performance of gear pump, promote the result of use of gear pump simultaneously, and effectively prolong the life of gear pump, thereby make the practicality of this gear pump obtain certain promotion, this gear pump has good protecting effect, be convenient for improve the stand wear and tear degree of sealing member, avoid the gear pump to abrade the sealing member under the condition of long-time work, influence the sealed effect of sealing member, effectively prolong the life of sealing member, thereby make the suitability of this gear pump obtain certain promotion.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed effectual gear pump, includes front end housing (1), its characterized in that: the top end of the front end cover (1) is fixedly connected with a pump body (2), a bearing (3) is fixedly connected inside the pump body (2), a main shaft (4) is fixedly connected inside the bearing (3), a driving gear (5) is fixedly connected to the outer wall of the main shaft (4), a thrust plate (6) is movably connected inside the pump body (2), a driven gear (7) is movably connected to one side of the driving gear (5), and an auxiliary shaft (8) is fixedly connected inside the driven gear (7);

the pump body (2) top fixedly connected with rear end cap (9), the top fixedly connected with solid fixed cylinder (10) of rear end cap (9), the inside fixedly connected with carbon fiber sealing layer (11) of solid fixed cylinder (10), the top fixedly connected with gland (12) of solid fixed cylinder (10), the first sealed pad (13) of bottom fixedly connected with of gland (12), the spacing section of thick bamboo (14) of bottom fixedly connected with of the first sealed pad (13), the inner wall fixedly connected with sealing washer (15) of the spacing section of thick bamboo (14), the sealed pad (16) of top fixedly connected with second of gland (12).

2. The gear pump with good sealing effect as claimed in claim 1, wherein: the shape and size of the fixed cylinder (10) are matched with the shape and size of the limiting cylinder (14), and the fixed cylinder (10) is fixedly connected with the limiting cylinder (14).

3. The gear pump with good sealing effect as claimed in claim 1, wherein: the inner part of the second sealing gasket (16) is provided with an adjusting hole (17), and the inner wall of the adjusting hole (17) is fixedly connected with a wear-resistant coating (18).

4. A gear pump with good sealing effect according to claim 3, characterized in that: the shape and the size of the wear-resistant coating (18) are matched with those of the second sealing gasket (16), and the wear-resistant coating (18) is fixedly connected with the second sealing gasket (16).

5. The gear pump with good sealing effect as claimed in claim 1, wherein: the shape and the size of the carbon fiber sealing layer (11) are matched with those of the main shaft (4), and the carbon fiber sealing layer (11) is movably connected with the main shaft (4).

6. The gear pump with good sealing effect as claimed in claim 1, wherein: the shape and size of the sealing ring (15) are matched with those of the fixed cylinder (10), and the sealing ring (15) is fixedly connected with the fixed cylinder (10).

7. The gear pump with good sealing effect as claimed in claim 1, wherein: the shape and size of the second sealing gasket (16) are matched with those of the sealing gland (12), and the second sealing gasket (16) is fixedly connected with the sealing gland (12).