CN213239355U

CN213239355U - Airtight detection device of high-pressure common rail oil pump

Info

Publication number: CN213239355U
Application number: CN202022130345.2U
Authority: CN
Inventors: 马贵东
Original assignee: Wuxi Xinzheng Precision Machinery Manufacturing Co ltd
Current assignee: Wuxi Xinzheng Precision Machinery Manufacturing Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-05-18
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses an airtight detection device of high pressure common rail oil pump, the on-line screen storage device comprises a base, the upper surface of base difference fixedly connected with left fixed plate, right fixed plate and detection water tank, the side fixed mounting of left side fixed plate has control panel, the spout has all been seted up to the opposite face of left side fixed plate and right fixed plate, and the interior roof fixed mounting of spout has driving motor, driving motor and external power source electric connection, driving motor's output fixedly connected with threaded rod, the surface threaded connection of threaded rod has the slider. This airtight detection device of high pressure common rail oil pump through setting up driving motor, threaded rod, slider, examining test table, placing board, inflation equipment and inflating the hose, whether be convenient for the measurement personnel insert the oil pump in the detection water tank of slowly immersing after the inflation equipment, be convenient for observe when aerifing in to the oil pump and detect whether there is the bubble in the water tank to convenient and fast ground detects the gas tightness of oil pump, has improved work efficiency.

Description

Airtight detection device of high-pressure common rail oil pump

Technical Field

The utility model relates to a detection device technical field specifically is a high pressure common rail oil pump's airtight detection device.

Background

In order to meet the increasingly stringent emission regulation requirements, diesel engine manufacturers in all countries around the world actively develop new products to reduce the emission of diesel engines, the high-pressure common rail fuel injection technology is unique in good application prospect, and the high-pressure common rail fuel injection technology is an oil supply mode which completely separates the generation of injection pressure and the injection process from each other in a closed-loop system consisting of a high-pressure oil pump, a pressure sensor and an electronic control unit.

The oil pump leakproofness is an important index in the oil pump performance, and is also crucial to the quality of oil pump, because the oil pump hole is more, has more increased the degree of difficulty that the oil pump leakproofness detected, the detection to the oil pump leakproofness among the traditional handicraft is generally through inwards irritating oil, observes to have the oil leak phenomenon to accomplish, although the detection of oil pump leakproofness also can be accomplished to this kind of method, the operation process is too loaded down with trivial details, work efficiency is low.

Therefore, the air tightness detection device of the high-pressure common rail oil pump is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an airtight detection device of high pressure common rail oil pump to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an air tightness detection device of a high-pressure common rail oil pump comprises a base, wherein the upper surface of the base is fixedly connected with a left fixing plate, a right fixing plate and a detection water tank respectively, a control panel is fixedly arranged on the side surface of the left fixing plate, sliding grooves are formed in opposite surfaces of the left fixing plate and the right fixing plate, a driving motor is fixedly arranged on an inner top wall of each sliding groove, the driving motor is electrically connected with an external power supply, a threaded rod is fixedly connected with the output end of the driving motor, a sliding block is connected with the surface of the threaded rod in a threaded manner, a supporting plate is fixedly connected with the side surface of the sliding block, a detection table is fixedly connected with the side surface of the supporting plate, inflation equipment is fixedly arranged on the upper surface of the detection table, a plurality of inflation hoses are fixedly connected with the side surface of the inflation equipment, two, an oil pump is placed on the upper surface of the placing plate.

Preferably, the surface of the inflating equipment is provided with an inflating plug connected with an external power supply, and the driving motor is electrically connected with the control panel.

Preferably, the upper surface of the detection platform is fixedly connected with two wire rings through a support rod, and the two wire rings are symmetrically arranged on the upper surface of the detection platform by taking a center line of the upper surface of the detection platform as a symmetry axis.

Preferably, the side surfaces of the two tube penetrating plates are provided with a plurality of tube penetrating holes matched with the inflating hoses.

Preferably, the detection water tank is of a tank body structure with an upper opening, and the detection water tank is made of transparent plastics.

Preferably, one end of the inflating hose, which is far away from the inflating equipment, is respectively inserted into an oil outlet and an oil inlet of the oil pump, and a sealing ring is arranged on the end face of the inflating hose, which is far away from the inflating equipment.

Advantageous effects

The utility model provides an airtight detection device of high pressure common rail oil pump possesses following beneficial effect:

1. this airtight detection device of high pressure common rail oil pump through setting up driving motor, threaded rod, slider, examining test table, placing board, inflation equipment and inflating the hose, whether be convenient for the measurement personnel insert the oil pump in the detection water tank of slowly immersing after the inflation equipment, be convenient for observe when aerifing in to the oil pump and detect whether there is the bubble in the water tank to convenient and fast ground detects the gas tightness of oil pump, has improved work efficiency.

2. This airtight detection device of high pressure common rail oil pump through setting up the wire ring and wearing the tube sheet, is convenient for carry on spacingly to aerifing the hose, prevents to aerify the hose and excessively causes the confusion that detects the platform, through setting up the sealing washer of aerifing the hose terminal surface, is convenient for seal oil-out and oil inlet, avoids influencing detection effect because of oil-out and oil inlet and the gap between the hose of aerifing.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

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

fig. 3 is a schematic side view of the tube penetrating plate of the present invention.

In the figure: the device comprises a base 1, a left fixing plate 2, a right fixing plate 3, a detection water tank 4, a control panel 5, a driving motor 6, a threaded rod 7, a sliding block 8, a supporting plate 9, a detection table 10, an inflation device 11, an inflation hose 12, a tube penetrating plate 13, a placing plate 14, a wire ring 15 and a tube penetrating hole 16.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an airtight detection device of high pressure common rail oil pump, includes base 1, and base 1's upper surface difference fixedly connected with left fixed plate 2, right fixed plate 3 and detection water tank 4, detection water tank 4 are upper shed's box structure, and detection water tank 4's material is transparent plastic, and the side fixed mounting of left fixed plate 2 has control panel 5.

The opposite face of left side fixed plate 2 and right fixed plate 3 has all seted up the spout, and the interior roof fixed mounting of spout has driving motor 6, driving motor 6 and external power source electric connection, driving

motor

6 and 5 electric connection of control panel, driving motor 6's output fixedly connected with threaded rod 7, the surperficial threaded connection of threaded rod 7 has slider 8, slider 8's side fixedly connected with backup pad 9, the side fixedly connected with of backup pad 9 detects platform 10.

Detect the upper surface of platform 10 and pass through bracing piece fixedly connected with wire ring 15, and the quantity of wire ring 15 is two, and two wire rings 15 use the central line that detects the platform 10 upper surface to set up as symmetry axis symmetry at the upper surface of detecting platform 10, detect the upper surface fixed mounting of platform 10 and have gas filled equipment 11, and gas filled equipment 11's surface is provided with the inflation plug that is connected with external power supply.

Inflation equipment 11's side fixedly connected with a plurality of inflatable hose 12, examine two tube sheet 13 of wearing of lower fixed surface connected with of platform 10, two tube sheet 13's side of wearing are all seted up a plurality of and are aerifyd the poling 16 of hose 12 looks adaptation, through setting up wire ring 15 and wearing tube sheet 13, are convenient for carry on spacingly to inflatable hose 12, prevent that inflatable hose 12 is too much to cause the confusion that examines platform 10.

The opposite surfaces of the two tube penetrating plates 13 are fixedly connected with a placing plate 14, an oil pump is placed on the upper surface of the placing plate 14, one end of the inflating hose 12 far away from the inflating equipment 11 is respectively inserted with an oil outlet and an oil inlet of the oil pump, a sealing ring is arranged on the end surface of the inflating hose 12 far away from the inflating equipment 11, by arranging the driving motor 6, the threaded rod 7, the sliding block 8, the detection table 10, the placing plate 14, the inflating equipment 11 and the inflating hose 12, the oil pump is conveniently connected into the inflating equipment 11 by a detection person and then slowly immersed into the detection water tank 4, when the oil pump is inflated, whether the water tank 4 has bubbles or not can be conveniently observed and detected, so that the air tightness of the oil pump can be conveniently and quickly detected, the working efficiency is improved, through setting up the sealing washer of inflatable hose 12 terminal surface, be convenient for seal oil-out and oil inlet, avoid influencing detection effect because of the gap between oil-out and oil inlet and the inflatable hose 12.

The working principle is as follows: when using this high pressure common rail oil pump's airtight detection device, at first place the oil pump on placing board 14, and be connected with the oil-out and the oil inlet of oil pump respectively with aerifing hose 12, later control panel 5 and open driving motor 6, make slider 8 drive detect platform 10 and slowly descend, until the oil pump immerse in detecting water tank 4 and by the water submergence, then close driving motor 6, when waiting for not having water flowers and bubble in detecting water tank 4, with inflating equipment 11 switch-on external power and to the oil pump gas injection, whether bubble appears in the detection water tank 4 of detection personnel careful observation, if appear the bubble then explain the gas tightness not, if do not appear the bubble then explain the gas tightness good, this kind of operation can conveniently swiftly detect the gas tightness of oil pump, and the work efficiency is improved.

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 an airtight detection device of high pressure common rail oil pump, includes base (1), its characterized in that: the upper surface of the base (1) is respectively fixedly connected with a left fixing plate (2), a right fixing plate (3) and a detection water tank (4), a control panel (5) is fixedly arranged on the side surface of the left fixing plate (2), sliding grooves are formed in opposite surfaces of the left fixing plate (2) and the right fixing plate (3), a driving motor (6) is fixedly arranged on an inner top wall of each sliding groove, the driving motor (6) is electrically connected with an external power supply, a threaded rod (7) is fixedly connected with an output end of the driving motor (6), a sliding block (8) is connected with a surface thread of the threaded rod (7), a supporting plate (9) is fixedly connected with the side surface of the sliding block (8), a detection table (10) is fixedly connected with the side surface of the supporting plate (9), an inflation device (11) is fixedly arranged on the upper surface of the detection table (10), and a plurality of inflation hoses (12), the oil pump detection device is characterized in that two tube penetrating plates (13) are fixedly connected to the lower surface of the detection table (10), two placing plates (14) are fixedly connected to opposite surfaces of the tube penetrating plates (13), and an oil pump is placed on the upper surface of the placing plates (14).

2. The airtightness detection apparatus for a high-pressure common rail oil pump according to claim 1, wherein: the surface of the inflating equipment (11) is provided with an inflating plug connected with an external power supply, and the driving motor (6) is electrically connected with the control panel (5).

3. The airtightness detection apparatus for a high-pressure common rail oil pump according to claim 1, wherein: the upper surface of the detection table (10) is fixedly connected with two wire rings (15) through a support rod, and the two wire rings (15) are symmetrically arranged on the upper surface of the detection table (10) by taking the center line of the upper surface of the detection table (10) as a symmetry axis.

4. The airtightness detection apparatus for a high-pressure common rail oil pump according to claim 1, wherein: the side surfaces of the two tube penetrating plates (13) are provided with a plurality of tube penetrating holes (16) matched with the air inflation hoses (12).

5. The airtightness detection apparatus for a high-pressure common rail oil pump according to claim 1, wherein: the detection water tank (4) is of a tank body structure with an upper opening, and the detection water tank (4) is made of transparent plastic.

6. The airtightness detection apparatus for a high-pressure common rail oil pump according to claim 1, wherein: one end, far away from the air charging equipment (11), of the air charging hose (12) is respectively connected with an oil outlet and an oil inlet of the oil pump in an inserting mode, and a sealing ring is arranged on the end face, far away from the air charging equipment (11), of the air charging hose (12).