CN215672688U

CN215672688U - Gear pump

Info

Publication number: CN215672688U
Application number: CN202121708115.8U
Authority: CN
Inventors: 连文全
Original assignee: Dongguan Kechang Hydraulic Technology Co ltd
Current assignee: Dongguan Kechang Hydraulic Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-01-28
Anticipated expiration: 2031-07-26

Abstract

The utility model provides a gear pump, which relates to the field of pumps, and comprises: a pump body; the driving shaft penetrates through two opposite sides of the pump body; the driving gear is arranged in the pump body, is connected to the driving shaft and can be driven to rotate by the driving shaft; and the driven gear is arranged in the pump body and is meshed with the driving gear. In this gear pump, the drive shaft runs through the relative both sides of the pump body, and its one end can be connected the motor to the rotation of this gear pump of drive, other equipment can be connected to the other end, in order to utilize the motor to drive the operation of other equipment, avoids the waste of energy and power.

Description

Gear pump

Technical Field

The utility model relates to the field of pumps, in particular to a gear pump.

Background

The gear pump is a rotary pump which transfers or pressurizes liquid by means of a change in a displacement volume and a movement formed between a pump body 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. Generally, one of the two gears is a driving gear and the other is a driven gear, and the driving shaft is connected with the driving gear and the motor to drive the driving gear to rotate and further drive the driven gear to rotate. However, the power of the motor is still surplus and not utilized except for driving the gear pump to rotate, so that energy is wasted.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a gear pump which can utilize surplus energy and power outside the work of a gear pump driven by a motor.

An embodiment of a first aspect of the present invention provides a gear pump comprising: a pump body; the driving shaft penetrates through two opposite sides of the pump body; the driving gear is arranged in the pump body, is connected to the driving shaft and can be driven to rotate by the driving shaft; and the driven gear is arranged in the pump body and is meshed with the driving gear.

The gear pump provided by the embodiment of the utility model at least has the following technical effects:

in this gear pump, the drive shaft runs through the relative both sides of the pump body, and its one end can be connected the motor to the rotation of this gear pump of drive, other equipment can be connected to the other end, in order to utilize the motor to drive the operation of other equipment, avoids the waste of energy and power.

According to some embodiments of the present invention, the driving shaft further comprises an aluminum ring, and the aluminum ring is sleeved on the driving shaft.

According to some embodiments of the present invention, the pump body includes two cover bodies disposed opposite to each other and an aluminum housing disposed between the two cover bodies, the cover bodies are provided with through holes, the driving shaft passes through the through holes, and two opposite sides of the aluminum housing are respectively provided with an oil inlet and an oil outlet.

According to some embodiments of the utility model, the cover further comprises a bolt, the bolt penetrates through the two covers and the aluminum shell, and the bolt is used for fixing the covers to the aluminum shell.

According to some embodiments of the present invention, the driving shaft further comprises an oil seal ring, the oil seal ring is sleeved on the driving shaft and located at a position close to the through hole, and the oil seal ring is used for sealing the through hole.

According to some embodiments of the utility model, the driving shaft is provided with connecting keys at two ends, and the connecting keys are used for clamping external equipment.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a gear pump according to an embodiment of the present invention;

fig. 2 is an exploded view of a gear pump according to an embodiment of the present invention.

Reference numerals:

the driving shaft 100, the connecting key 110, the oil seal ring 120, the aluminum shell 200, the cover 210, the through hole 220, the bolt 230, the driving gear 300, the driven gear 400 and the aluminum ring 500.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the positional or positional relationships referred to in the positional descriptions, such as up, down, front, rear, left, right, etc., are based on the positional or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means is two or more, and greater than, less than, more than, etc. are understood as excluding the present number, and greater than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly defined, terms such as arrangement, installation, connection and the like should be broadly construed, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the detailed contents of the technical solutions.

A gear pump according to an embodiment of the present invention is described below with reference to fig. 1 to 2.

Referring to fig. 1 and 2, fig. 1 shows a gear pump according to an embodiment of the present invention, which includes: a pump body; a driving shaft 100 penetrating opposite sides of the pump body; a driving gear 300 disposed inside the pump body, the driving gear 300 being connected to the driving shaft 100, the driving gear 300 being capable of being driven to rotate by the driving shaft 100; the driven gear 400 is disposed inside the pump body, and the driven gear 400 is engaged with the driving gear 300.

In the gear pump, the driving shaft 100 penetrates through two opposite sides of the pump body, one end of the driving shaft can be connected with the motor to drive the gear pump to rotate, and the other end of the driving shaft can be connected with other equipment to drive the motor to drive the other equipment to operate, so that the waste of energy and power is avoided.

Referring to fig. 2, it can be understood that the gear pump further includes an aluminum ring 500, and the driving shaft 100 is sleeved with the aluminum ring 500. The aluminum ring 500 is provided to serve as a bearing for supporting the drive shaft 100 for rotation. Further, the driven gear 400 is sleeved on the driven shaft, the driven shaft is also arranged in the pump body, and the driven shaft can also be sleeved with the aluminum ring 500 to achieve similar effects.

Referring to fig. 1 and 2, it can be understood that the pump body includes two oppositely disposed cover bodies 210 and an aluminum casing 200 disposed between the two cover bodies 210, the cover body 210 is provided with a through hole 220, the driving shaft 100 passes through the through hole 220, and two opposite sides of the aluminum casing 200 are respectively provided with an oil inlet and an oil outlet. It can be understood that the oil inlet and the oil outlet are not strictly limited to two ports on the aluminum housing 200, and are determined according to the rotation directions of the driving gear 300 and the driven gear.

Referring to fig. 2, it can be understood that the gear pump further includes bolts 230, the bolts 230 penetrate through the two covers 210 and the aluminum case 200, and the bolts 230 are used for fixing the covers 210 to the aluminum case 200. The two cover bodies 210 and the aluminum shell 200 are fixed to each other by bolts 230. It is understood that the two cover bodies 210 can also be welded to the two opposite sides of the green housing, and the welding is not limited thereto.

Referring to fig. 2, it can be understood that the gear pump further includes an oil seal ring 120, the oil seal ring 120 is sleeved on the driving shaft 100 and located at a position close to the through hole 220, and the oil seal ring 120 is used for sealing the through hole 220. By arranging the oil seal ring 120, the through hole 220 on the pump body is sealed, and the problems of oil leakage, air leakage and the like are prevented.

Referring to fig. 1 and 2, it can be understood that the driving shaft 100 is provided at both ends thereof with connection keys 110, and the connection keys 110 are used for clamping the external device. Wherein, one end of the driving shaft 100 is connected with the driving motor, and the other end is connected with other external equipment. It is understood that the driving shaft 100 and other devices may be connected by a coupling, but not limited thereto.

Referring now to fig. 1 and 2, a gear pump according to an embodiment of the present invention will be described in detail with a specific embodiment. It is to be understood that the following description is illustrative only and is not intended as a specific limitation on the utility model.

A gear pump, comprising: a pump body; a driving shaft 100 penetrating opposite sides of the pump body; a driving gear 300 disposed inside the pump body, the driving gear 300 being connected to the driving shaft 100, the driving gear 300 being capable of being driven to rotate by the driving shaft 100; the driven gear 400 is disposed inside the pump body, and the driven gear 400 is engaged with the driving gear 300. The gear pump further comprises an aluminum ring 500, and the driving shaft 100 is sleeved with the aluminum ring 500. The pump body includes two oppositely disposed cover bodies 210 and an aluminum casing 200 disposed between the two cover bodies 210, the cover body 210 is provided with a through hole 220, the driving shaft 100 passes through the through hole 220, and two opposite sides of the aluminum casing 200 are respectively provided with an oil inlet and an oil outlet. The gear pump further includes bolts 230, the bolts 230 penetrate through the two covers 210 and the aluminum case 200, and the bolts 230 are used for fixing the covers 210 to the aluminum case 200. The gear pump further includes an oil seal ring 120, the oil seal ring 120 is sleeved on the driving shaft 100 and located at a position close to the through hole 220, and the oil seal ring 120 is used for sealing the through hole 220. The driving shaft 100 is provided at both ends thereof with connection keys 110, and the connection keys 110 are used for clamping external devices.

By the gear pump according to the embodiment of the utility model, at least some technical effects as follows can be achieved: in the gear pump, the driving shaft 100 penetrates through two opposite sides of the pump body, one end of the driving shaft can be connected with the motor to drive the gear pump to rotate, and the other end of the driving shaft can be connected with other equipment to drive the motor to drive the other equipment to operate, so that the waste of energy and power is avoided.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and the equivalents.

Claims

1. Gear pump, its characterized in that includes:

a pump body;

the driving shaft penetrates through two opposite sides of the pump body;

the driving gear is arranged in the pump body, is connected to the driving shaft and can be driven to rotate by the driving shaft;

and the driven gear is arranged in the pump body and is meshed with the driving gear.

2. The gear pump of claim 1, wherein: still include the aluminium circle, the aluminium circle cover is located the drive shaft.

3. The gear pump of claim 1, wherein: the pump body comprises two oppositely arranged cover bodies and an aluminum shell arranged between the two cover bodies, the cover bodies are provided with through holes, a driving shaft penetrates through the through holes, and the two opposite sides of the aluminum shell are respectively provided with an oil inlet and an oil outlet.

4. The gear pump of claim 3, wherein: the aluminum shell is characterized by further comprising a bolt, the bolt penetrates through the two cover bodies and the aluminum shell, and the bolt is used for fixing the cover bodies to the aluminum shell.

5. The gear pump of claim 3, wherein: still include the oil blanket ring, the oil blanket ring cover is located the drive shaft to be located near fenestrate position, the oil blanket ring is used for sealing the perforation.

6. Gear pump according to any of claims 1 to 5, characterized in that: the drive shaft both ends are provided with the connecting key, the connecting key is used for the external equipment of joint.