CN217712929U

CN217712929U - Sealed effectual gear pump case structure

Info

Publication number: CN217712929U
Application number: CN202221703196.7U
Authority: CN
Inventors: 叶玉堂; 郑尊纲
Original assignee: Suzhou Renowell Hydraulic Pump Co ltd
Current assignee: Suzhou Renowell Hydraulic Pump Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-11-01
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a gear pump case structure with good sealing effect, which comprises a lower shell, wherein a first heat dissipation plate is arranged on the lower shell, an upper shell is attached to the lower shell, a second heat dissipation plate is arranged on the upper shell, gear case bodies are arranged in the lower shell and the upper shell, one end of each gear case body is provided with an oil suction area, a first annular rubber ring is sleeved on the oil suction area, the outer side of the first annular rubber ring is attached to the inner walls of the lower shell and the upper shell, the first heat dissipation plate is matched with the second heat dissipation plate to lead out heat in the shell, and the first annular rubber ring and the second annular rubber ring ensure the tightness of the connection between the lower shell and the upper shell and the tightness between the lower shell and the upper shell; the nut is screwed off from the bolt, the bolt is pulled out from the first arc-shaped connecting plate and the second arc-shaped connecting plate, the second arc-shaped connecting plate of the upper shell is taken down from the first arc-shaped connecting plate of the lower shell, and the operation is simple and convenient.

Description

Sealed effectual gear pump case structure

Technical Field

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

Background

The gear pump is a rotary pump which conveys liquid or pressurizes the liquid by means of the change and movement of the working volume formed between a pump cylinder and a meshing gear; two gears, a pump body, a front cover and a rear cover form two closed spaces, when the gears rotate, the size of the space on the gear disengagement side is changed from small to large to form vacuum, liquid is sucked in, and the size of the space on the gear engagement side is changed from large to small to squeeze the liquid into a pipeline; the suction chamber and the discharge chamber are separated by a meshing line of two gears.

The patent publication No. CN 215927768U discloses a gear pump casing and a gear pump, wherein the gear pump casing comprises a pump body and a first pump cover, and a sealing element is arranged on the joint surface of the pump body and the first pump cover; and an oil line groove communicated with the low-pressure area is formed in the joint surface of the pump body and the first pump cover and is positioned on the inner side of the sealing element. Through the inboard oil line groove that sets up at the sealing member to make oil line groove and low-pressure area intercommunication, high-pressure oil can flow into earlier in the oil line groove before the seal groove at inflow sealing member place, later flow into in the low-pressure area, make the fluid in the oil line groove remain the low pressure state throughout, avoid the oil pressure to cross in the oil line groove gets into the seal groove, reduce the inside and outside oil pressure difference of sealing member, guaranteed the sealed effect of sealing member.

This patent is through setting up the oil line groove in the inboard of sealing member, and make oil line groove and low-pressure area intercommunication, high-pressure oil is before the seal groove at inflow sealing member place, can flow into the oil line inslot earlier, later flow into in the low-pressure area, make the fluid of oil line inslot keep the low pressure state throughout, avoid the oil pressure to cross in the oil line groove gets into the seal groove, reduce the inside and outside oil pressure difference of sealing member, the sealed effect of sealing member has been guaranteed, but the sealed effect of casing is relatively poor, very big influence pump case structure's use, shell structure's installation is very inconvenient with the dismantlement simultaneously, very big influence shell structure's use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed effectual gear pump case structure to solve ann and tear inconvenient problem open.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a sealed effectual gear pump case structure, includes casing down, be provided with first heating panel down on the casing, first heating panel runs through casing down, and the convenient internal heat of inferior valve is derived, the laminating has last casing down on the casing, and the size of a dimension and the material of going up casing and casing down are the same, upward be provided with the second heating panel on the casing, the second heating panel runs through last casing, conveniently derives the heat in the upper casing, be provided with the gear shell body in casing and the upper casing down, the gear shell body sets up in casing and upper casing down, the one end of gear shell body is provided with inhales the oil zone, and the oil zone sets up the left side at the gear shell body, it has cup jointed first annular rubber ring to inhale on the oil zone, and the outside laminating of first annular rubber ring is in casing and last shells inner wall down, and first annular rubber ring has certain flexibility, can take place certain deformation, guarantees to inhale the oil zone and closely laminate between casing and the lower casing.

Preferably, the other end of the gear shell body is provided with a pressure oil area, and the pressure oil area is arranged on the right side of the gear shell body.

Preferably, the oil pressing area is sleeved with a second annular rubber ring, the outer side of the second annular rubber ring is attached to the lower shell and the inner wall of the upper shell, the second annular rubber ring has certain flexibility and can deform to ensure that the oil pressing area is tightly attached to the upper shell and the lower shell.

Preferably, a first arc-shaped connecting plate is fixed on the outer side of the lower shell and fixedly welded on the outer side of the top of the lower shell.

Preferably, the outside of going up the casing is fixed with second arc connecting plate, and the fixed welding of second arc connecting plate is in the bottom outside of last casing, and second arc connecting plate and first arc connecting plate laminate mutually, and second arc connecting plate is the same with the size of first arc connecting plate size, guarantees the inseparable laminating of two then.

Preferably, bolts penetrate through the first arc-shaped connecting plate and the second arc-shaped connecting plate and penetrate through the first arc-shaped connecting plate and the second arc-shaped connecting plate.

Preferably, the bolt passes through first arc connecting plate and second arc connecting plate and is fixed with the nut, and nut threaded connection is to the bolt, conveniently connects first arc connecting plate and second arc connecting plate.

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

1. the utility model discloses a first heating panel cooperation second heating panel can derive the heat in the casing, and first annular rubber ring and second annular rubber ring guarantee down closely that casing and last casing are connected simultaneously, guarantee down the casing and go up the sealed between the casing.

2. The utility model discloses can be with the nut from the bolt unscrewing, take the bolt out from first arc connecting plate and second arc connecting plate, take off the second arc connecting plate of last casing from the first arc connecting plate of casing down, easy operation is convenient.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

fig. 4 is a top view of the present invention.

In the figure: 1. a lower housing; 21. a first heat dissipation plate; 22. an upper housing; 23. a second heat dissipation plate; 31. a gear case body; 32. an oil absorption area; 35. a first annular rubber ring; 36. pressing an oil area; 37. a second annular rubber ring; 41. a first arc-shaped connecting plate; 42. a second arc-shaped connecting plate; 43. a bolt; 44. and a nut.

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

Referring to fig. 1-4, a pump casing structure of a gear pump with good sealing effect in the figures includes a lower casing 1, a first heat dissipation plate 21 is disposed on the lower casing 1, the first heat dissipation plate 21 penetrates through the lower casing 1 to facilitate guiding out heat in the lower casing 1, an upper casing 22 is attached to the lower casing 1, the upper casing 22 and the lower casing 1 have the same size and material, a second heat dissipation plate 23 is disposed on the upper casing 22, the second heat dissipation plate 23 penetrates through the upper casing 22 to facilitate guiding out heat in the upper casing 22, gear casing bodies 31 are disposed in the lower casing 1 and the upper casing 22, the gear casing bodies 31 are disposed in the lower casing 1 and the upper casing 22, an oil absorption region 34 is disposed at one end of the gear casing bodies 31, the oil absorption region 34 is disposed on the left side of the gear casing bodies 31, a first annular rubber ring 35 is sleeved on the oil absorption region 34, and the outer side of the first annular rubber ring 35 is attached to the inner walls of the lower casing 1 and the upper casing 22, the first annular rubber ring 35 has certain flexibility and can deform, and it can be ensured that the oil absorption region 34 and the upper casing 22 are closely attached to the lower casing 1 and the lower casing 1.

For the tightness of the upper shell 22 and the lower shell 1, the other end of the gear shell body 31 is provided with a pressure oil area 36, the pressure oil area 36 is arranged on the right side of the gear shell body 31, a second annular rubber ring 37 is sleeved on the pressure oil area 36, the outer side of the second annular rubber ring 37 is attached to the inner walls of the lower shell 1 and the upper shell 22, the second annular rubber ring 37 has certain flexibility and can deform to ensure that the pressure oil area 36 is closely attached to the upper shell 22 and the lower shell 1.

When this pump case structure uses: first annular rubber ring 35 wraps up on oil absorption district 34, guarantee the tight laminating between last casing 22 and lower casing 1 and oil absorption district 34, second annular rubber ring 37 wraps up on pressing oil district 36 simultaneously, guarantee the tight laminating between last casing 22 and lower casing 1 and pressing oil district 36, guarantee the tightness of last casing 22 and lower casing 1, first heating panel 21 runs through casing 1 down simultaneously, conveniently derive the heat in the casing 1 down, second heating panel 23 runs through casing 22, conveniently derive the heat in the casing 22.

Example 2

Referring to fig. 1-4, this embodiment further describes embodiment 1, in the figure, a gear pump case structure with good sealing effect includes a lower case 1, a first heat dissipation plate 21 is disposed on the lower case 1, the first heat dissipation plate 21 penetrates through the lower case 1 to facilitate guiding out heat in the lower case 1, an upper case 22 is attached to the lower case 1, the size and material of the upper case 22 are the same as those of the lower case 1, a second heat dissipation plate 23 is disposed on the upper case 22, the second heat dissipation plate 23 penetrates through the upper case 22 to facilitate guiding out heat in the upper case 22, gear case bodies 31 are disposed in the lower case 1 and the upper case 22, the gear case bodies 31 are disposed in the lower case 1 and the upper case 22, an oil absorption region 34 is disposed at one end of the gear case bodies 31, the oil absorption region 34 is disposed at the left side of the gear case bodies 31, a first annular rubber ring 35 is sleeved on the oil absorption region 34, and the outer side of the first annular rubber ring 35 is attached to inner walls of the lower case 1 and the upper case 22, the first annular rubber ring 35 has a certain deformation, which can ensure that the oil absorption region and the upper case bodies 22 are closely attached to each other.

For the installation and the disassembly of the upper shell 22 and the lower shell 1, a first arc-shaped connecting plate 41 is fixed on the outer side of the lower shell 1, the first arc-shaped connecting plate 41 is fixedly welded on the outer side of the top of the lower shell 1, a second arc-shaped connecting plate 42 is fixed on the outer side of the upper shell 22, the second arc-shaped connecting plate 42 is fixedly welded on the outer side of the bottom of the upper shell 22, the second arc-shaped connecting plate 42 is attached to the first arc-shaped connecting plate 41, the second arc-shaped connecting plate 42 is the same as the first arc-shaped connecting plate 41 in size, tight attachment of the two parts is ensured, bolts 43 penetrate through the first arc-shaped connecting plate 41 and the second arc-shaped connecting plate 42, the bolts 43 penetrate through the first arc-shaped connecting plate 41 and the second arc-shaped connecting plate 42 and are fixed with nuts 44, the nuts 44 are in threaded connection with the bolts 43, and the first arc-shaped connecting plate 41 is conveniently connected with the second arc-shaped connecting plate 42.

In this embodiment, the second arc-shaped connecting plate 42 on the upper shell 22 is attached to the first arc-shaped connecting plate 41 of the lower shell 1, the bolt 43 penetrates through the first arc-shaped connecting plate 41 and the second arc-shaped connecting plate 42, and the first arc-shaped connecting plate 41 and the second arc-shaped connecting plate 42 are conveniently connected through the bolt 43 in a threaded manner.

It is noted that, herein, relational terms such as first and second, and the like may be 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 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 case structure, a serial communication port, includes casing (1) down, be provided with first heating panel (21) down on casing (1), laminating casing (22) down on casing (1), upward be provided with second heating panel (23) on casing (22), be provided with gear shell body (31) down in casing (1) and last casing (22), the one end of gear shell body (31) is provided with inhales oil zone (34), it has cup jointed first annular rubber ring (35) on oil zone (34) to inhale, and the outside of first annular rubber ring (35) is laminated in casing (1) and last casing (22) inner wall down.

2. The pump shell structure of the gear pump with good sealing effect as claimed in claim 1, wherein: and the other end of the gear shell body (31) is provided with a pressure oil area (36).

3. The pump shell structure of the gear pump with good sealing effect as claimed in claim 2, wherein: a second annular rubber ring (37) is sleeved on the pressure oil area (36), and the outer side of the second annular rubber ring (37) is attached to the inner walls of the lower shell (1) and the upper shell (22).

4. The pump shell structure of the gear pump with good sealing effect as claimed in claim 1, wherein: and a first arc-shaped connecting plate (41) is fixed on the outer side of the lower shell (1).

5. The pump shell structure of the gear pump with good sealing effect as claimed in claim 4, wherein: a second arc-shaped connecting plate (42) is fixed on the outer side of the upper shell (22), and the second arc-shaped connecting plate (42) is attached to the first arc-shaped connecting plate (41).

6. The pump shell structure of the gear pump with good sealing effect as claimed in claim 4, wherein: bolts (43) penetrate through the first arc-shaped connecting plate (41) and the second arc-shaped connecting plate (42).

7. The gear pump shell structure with the good sealing effect as claimed in claim 6, wherein: the bolt (43) penetrates through the first arc-shaped connecting plate (41) and the second arc-shaped connecting plate (42) and is fixed with the nut (44).