CN208169031U

CN208169031U - A kind of breather valve for oil transfer pump

Info

Publication number: CN208169031U
Application number: CN201820343709.5U
Authority: CN
Inventors: 蒋哲; 蒋哲一
Original assignee: Tianjin Dexin Petrochemical Equipment Co Ltd
Current assignee: Tianjin Dexin Petrochemical Equipment Co Ltd
Priority date: 2018-03-14
Filing date: 2018-03-14
Publication date: 2018-11-30
Anticipated expiration: 2028-03-14

Abstract

The utility model is a kind of breather valve for oil transfer pump, including breathing valve module and drainage component；The breathing valve module includes first pipe, the first pipe connects oil transfer pump, the left and right ends on the top of the first pipe are respectively equipped with exhaust passage and inlet channel, an overall channel is converged on the top of the exhaust passage and the inlet channel, the top of the overall channel is connected with lateral second pipe, the left and right ends portion of the bottom end of the second pipe is respectively equipped with third pipeline, is equipped with filter screen in each third pipeline；The fixed inner wall for being located at the first pipe of first drainage component；Second drainage component is fixed to be located at the third inner wall of the pipe.Second drainage component and filter screen can prevent extraneous dust from entering in exhaust passage, avoid dust blocking exhaust passage that the oil in oil transfer pump is caused to leak out；First drainage component can prevent the oil in oil transfer pump from flowing out from breather valve, and the oil further avoided in oil transfer pump leaks out.

Description

A kind of breather valve for oil transfer pump

Technical field

The utility model relates to oil transfer pump field more particularly to a kind of breather valves for oil transfer pump.

Background technique

The effect of oil transfer pump is to guarantee that diesel oil recycles in low pressure oil way, and supply enough and certain pressure fuel oil to spray Oil pump, output oil amount should be 3-4 times of full load maximum distributive value, oil transfer pump be divided into gear fuel supply pump, diaphragm fuel supply pump, Plunger-type fuel delivery pump and duct type oil transfer pump etc..

At work, the internal and external pressure difference that usually will appear oil transfer pump is inconsistent for oil transfer pump, when the pressure ratio in oil transfer pump When extraneous pressure is big, if the pressure in oil transfer pump cannot discharge, the air pressure in oil transfer pump will push the oil in oil transfer pump to External leakage；When the pressure in the pressure ratio external world in oil transfer pump is small, the meeting in oil transfer pump generates negative pressure, if not in oil transfer pump It carries out negative pressure to compensate, power required for oil transportation process is just not achieved in oil transfer pump.Therefore existing oil transfer pump needs It is inconsistent come the internal and external pressure difference for adjusting oil transfer pump that a breather valve is provided on oil transfer pump, on breather valve have inlet channel, Intake valve, exhaust passage and exhaust valve discharge the extra pressure in oil transfer pump by exhaust passage and exhaust valve, lead to Inlet channel and intake valve is crossed to supplement the negative pressure in oil transfer pump, to guarantee the normal operation of oil transfer pump,

But traditional device that a breather valve is set on oil transfer pump, the exhaust passage on breather valve is all external, And the aperture of exhaust passage is too small, when extraneous dust enters in exhaust passage, can block exhaust passage, cause oil transfer pump Internal extra pressure is unable to get discharge, and the oil in oil transfer pump is caused to leak out.

For this purpose, designing a kind of breather valve for oil transfer pump, problem above is solved.

Summary of the invention

The utility model is to overcome the above deficiency, provides a kind of breather valve for oil transfer pump, including breathing valve module and Drainage component；

The breathing valve module includes first pipe, and the first pipe is vertical direction setting, and the first pipe connects Oil transfer pump is connect, the left and right ends on the top of the first pipe are respectively equipped with exhaust passage and inlet channel, the exhaust passage It is interior to be equipped with exhaust check valve, breather check valve, the top of the exhaust passage and the inlet channel are equipped in the inlet channel An overall channel is converged at end, and the top of the overall channel is connected with lateral second pipe, a left side for the bottom end of the second pipe Right both ends are respectively equipped with third pipeline, and the third pipeline is vertical direction setting, are equipped in each third pipeline Strainer；

The drainage component includes the first drainage component and the second drainage component, and first drainage component includes first left Drainage plate and the first right drainage plate, second drainage component include the second left drainage plate and the second right drainage plate, described first Left drainage plate, the first right drainage plate, the second left drainage plate and the second right drainage plate tilt down；The first left drainage plate and It is arc-shaped side on the left of the second left drainage plate, right side is right-angle side；The first right drainage plate and second right side are drawn It is right-angle side on the left of flowing plate, right side is arc-shaped side；

The first left drainage plate and the first right drainage plate are staggered up and down, the first left drainage plate and described There is channel one that can be for gas to pass through between first right drainage plate；

The second left drainage plate and the second right drainage plate are staggered up and down, the second left drainage plate and described There is channel two that can be for gas to pass through between second right drainage plate；

The fixed inner wall for being located at the first pipe of first drainage component；Second drainage component is fixed to be located at institute State third inner wall of the pipe.

Further, the breather check valve is bolted on the inner wall of the inlet channel.

Preferably, the exhaust check valve is bolted on the inner wall of the exhaust passage.

Further, the described first left drainage plate, the first right drainage plate, the second left drainage plate and the second right drainage plate are equal For steel.

Preferably, first drainage component and second drainage component have several groups.

A kind of beneficial effect of breather valve for oil transfer pump described in the utility model is：

1. the second drainage component and filter screen in third inner wall of the pipe can prevent extraneous dust from entering in exhaust passage, Dust blocking exhaust passage is avoided to cause the oil in oil transfer pump to outward leakage；

2. even if the first drainage component on first pipe inner wall can prevent defeated the oil in oil transfer pump is intended to leak out Oil in oil pump is flowed out from breather valve, and the oil further avoided in oil transfer pump leaks out.

Detailed description of the invention

Fig. 1 is the main view of the utility model；

Fig. 2 is the top view of the first left drainage plate and the two the first left drainage plates；

Fig. 3 is the top view of the first right drainage plate and the second right drainage plate；

Wherein：The right drainage plate of 1- first；2- first pipe；The left drainage plate of 3- first；4- exhaust passage；5- inlet channel； 6- exhaust check valve；7- breather check valve；8- overall channel；9- second pipe；10- filter screen；11- third pipeline；12- second Left drainage plate；The right drainage plate of 13- second.

Specific embodiment

It is described in detail below with reference to the embodiments of the present invention referring to attached drawing.

As shown in Figure 1, a kind of breather valve for oil transfer pump, including breathing valve module and drainage component；

As shown in Figure 1, the breathing valve module includes first pipe 2, the first pipe 2 is vertical direction setting, institute It states first pipe 2 and connects oil transfer pump, the left and right ends on the top of the first pipe 2 are respectively equipped with exhaust passage 4 and air inlet is logical Road 5, the exhaust passage 4 is interior to be equipped with exhaust check valve 6, and the exhaust check valve 6 gases allowed in the oil transfer pumps are arranged Out, breather check valve 7 is equipped in the inlet channel 5, the breather check valve 7 allow described in the gas entrance in the external world In oil transfer pump, an overall channel 8, the top of the overall channel 8 are converged into the top of the exhaust passage 4 and the inlet channel 5 It is connected with lateral second pipe 9, the left and right ends portion of the bottom end of the second pipe 9 is respectively equipped with third pipeline 11, described Third pipeline 11 is vertical direction setting, is equipped with filter screen 10 in each third pipeline 11, the filter screen 10 can prevent Extraneous dust enters in the exhaust passage 4；

As shown in Figure 1, Figure 2 and Figure 3, the drainage component includes the first drainage component and the second drainage component, and described the One drainage component includes the first left drainage plate 3 and the first right drainage plate 1, and second drainage component includes the second left drainage plate 12 With the second right drainage plate 13, the first left drainage plate 3, the first right drainage plate 1, the second left drainage plate 12 and the second right drainage plate 13 tilt down；It is arc-shaped side on the left of the first left drainage plate 3 and the second left drainage plate 12, right side is right angle Side；It is right-angle side on the left of the first right drainage plate 1 and the second right drainage plate 13, right side is arc-shaped side；

The first left drainage plate 3 and first right about 1 drainage plate are staggered, first left 3 He of drainage plate There is channel one that can be for gas to pass through between the first right drainage plate 1；

The second left drainage plate 12 and second right the upper and lower of drainage plate 13 are staggered, the second left drainage plate There is channel two that can be for gas to pass through between 12 and the second right drainage plate 13；

First drainage component fixes the inner wall for being located at the first pipe 2, described on 2 inner wall of first pipe First drainage component can prevent the oil in oil transfer pump from flowing out from breather valve；Second drainage component is fixed to be located at the third pipe 11 inner wall of road, second drainage component can prevent extraneous dust from entering in the exhaust passage 4.

Further, the breather check valve 7 is bolted on the inner wall of the inlet channel 5.

Preferably, the exhaust check valve 6 is bolted on the inner wall of the exhaust passage 4.

Further, the described first left drainage plate 3, the first right drainage plate 1, the second left drainage plate 12 and second right side are drawn Flowing plate 13 is steel.

Application method：

When the pressure in the pressure ratio external world in oil transfer pump is big, oil transfer pump exhaust, exhaust check valve 6 is opened, in oil transfer pump Gas pass sequentially through first pipe 1, exhaust passage 4, overall channel 8, second pipe 9 and third pipeline 11, to balance oil transfer pump Inside and outside pressure difference；Oil in oil transfer pump can also enter first pipe 2, due to gravity, into the oil of first pipe 2 from the It falls on one left drainage plate 3 on first right drainage plate 1, then is fallen into oil transfer pump from the first right drainage plate 1, in first pipe 2 The first drainage component on wall can prevent the oil in oil transfer pump from flowing out from breather valve, and the oil in oil transfer pump leaks out.

When the pressure in the pressure ratio external world in oil transfer pump is small, oil transfer pump air inlet, breather check valve 7 is opened, extraneous gas Body passes sequentially through third pipeline 11, second pipe 9, overall channel 8, inlet channel 5 and first pipe 2, to balance inside and outside oil transfer pump Pressure difference；Extraneous dust can also enter third pipeline 11, due to gravity, into the dust of third pipeline 11 from second It falls on left drainage plate 12 on second right drainage plate 13, then is fallen into atmosphere from the second right drainage plate 13, in third pipeline 11 The second drainage component and filter screen 10 on wall can prevent extraneous dust from entering in exhaust passage 4, avoid dust blocking exhaust The oil in oil transfer pump is caused to leak out in channel 4.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and Retouching also should be regarded as the protection scope of the utility model.

Claims

1. a kind of breather valve for oil transfer pump, which is characterized in that including breathing valve module and drainage component；

The breathing valve module includes first pipe (2), and the first pipe (2) is vertical direction setting, the first pipe (2) oil transfer pump is connected, the left and right ends on the top of the first pipe (2) are respectively equipped with exhaust passage (4) and inlet channel (5), exhaust check valve (6) are equipped in the exhaust passage (4), are equipped with breather check valve (7) in the inlet channel (5), institute An overall channel (8), the top connection of the overall channel (8) are converged into the top for stating exhaust passage (4) and the inlet channel (5) Have lateral second pipe (9), the left and right ends portion of the bottom end of the second pipe (9) is respectively equipped with third pipeline (11), institute Third pipeline (11) is stated as vertical direction setting, is equipped with filter screen (10) in each third pipeline (11)；

The drainage component includes the first drainage component and the second drainage component, and first drainage component includes the first left drainage Plate (3) and the first right drainage plate (1), second drainage component include the second left drainage plate (12) and the second right drainage plate (13), the described first left drainage plate (3), the first right drainage plate (1), the second left drainage plate (12) and the second right drainage plate (13) are equal It tilts down；It is arc-shaped side on the left of the first left drainage plate (3) and the second left drainage plate (12), right side is right angle Side；It is right-angle side on the left of the first right drainage plate (1) and the second right drainage plate (13), right side is arc-shaped side；

The first left drainage plate (3) and the first right drainage plate (1) are staggered up and down, the first left drainage plate (3) There is channel one that can be for gas to pass through between the first right drainage plate (1)；

The second left drainage plate (12) and the second right drainage plate (13) are staggered up and down, the second left drainage plate (12) there is channel two that can be for gas to pass through between the second right drainage plate (13)；

The fixed inner wall for being located at the first pipe (2) of first drainage component；Second drainage component is fixed to be located at institute State third pipeline (11) inner wall.

2. a kind of breather valve for oil transfer pump according to claim 1, which is characterized in that the breather check valve (7) It is bolted on the inner wall of the inlet channel (5).

3. a kind of breather valve for oil transfer pump according to claim 2, which is characterized in that the exhaust check valve (6) It is bolted on the inner wall of the exhaust passage (4).

4. a kind of breather valve for oil transfer pump according to claim 3, which is characterized in that the first left drainage plate (3), the first right drainage plate (1), the second left drainage plate (12) and the second right drainage plate (13) are steel.

5. a kind of breather valve for oil transfer pump according to claim 3, which is characterized in that first drainage component and Second drainage component has several groups.