CN215318155U

CN215318155U - Clamping device for automobile fuel injector experiment

Info

Publication number: CN215318155U
Application number: CN202120296797.XU
Authority: CN
Inventors: 刘雨杰; 陈莺
Original assignee: Fuzhou Hualong Automobile Service Co ltd
Current assignee: Fuzhou Hualong Automobile Service Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-12-28
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a clamping device for an automobile fuel injector experiment in the technical field of automobile detection, wherein a first clamping seat and a second clamping seat of an L-shaped structure are in linear sliding fit, the transverse end of the second clamping seat is rotationally connected with a first screw rod, the first screw rod is in spiral connection with the first clamping seat, an upright post is fixedly connected onto the second clamping seat, a rotating shaft is fixedly connected onto a transverse plate, the rotating shaft and the upright post are rotationally and fixedly connected, a parallel support is fixedly connected onto the transverse plate, and a second screw rod is in threaded connection with the support; the transverse plate and the clamping seat rotate and are fixed relatively through the upright post and the rotating shaft and are used for adjusting the horizontal orientation of the oil sprayer; the rotation of the base plate is used to adjust the angle of inclination of the fuel injector.

Description

Clamping device for automobile fuel injector experiment

Technical Field

The utility model relates to the technical field of automobile detection, in particular to a clamping device for an automobile fuel injector experiment.

Background

The fuel injector is the most key and complex part in the common rail system of the automobile, and accurately controls the fuel injection quantity by receiving a fuel injection pulse signal sent by an ECU (automobile computer); the device is required to have large dynamic flow range, strong anti-blocking and anti-pollution capability and good atomization performance.

The fuel injector is used as a fuel inlet of the engine, fuel supply in each beat is strictly required, excessive fuel is insufficient, finally, redundant fuel is discharged through tail gas to cause environmental pollution and energy waste, insufficient power supply of the engine is caused by insufficient fuel, and the performance of the engine cannot be fully reflected.

The fuel injector can cause nozzle blockage, carbon deposition and the like after being used for a period of time, the fuel injectors for different types of automobiles are different in structure, the fuel injectors and the oil pipes are disassembled from an engine, the effects of field test atomization and the like need to be carried out in the process of comparing the performances of the different fuel injectors, and the fuel injectors for the automobiles need to be clamped in the process.

Based on the clamping device, the clamping device for the automobile fuel injector experiment is designed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping device for an automobile fuel injector experiment, which aims to solve the problem that the automobile fuel injector needs to be clamped in the experiment process in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a clamping device for automobile fuel injector experiments, includes first holder, the second holder of diaphragm and "L" type structure, the horizontal end straight line sliding fit of the horizontal end of first holder and second holder, swivelling joint has first screw rod on the horizontal end of second holder, first screw rod and first holder screwed connection, the rigid coupling has the stand on the second holder, the rigid coupling has the pivot on the diaphragm, rotatory and fixed connection between pivot and the stand, the rigid coupling has parallel support on the diaphragm, one of them is a set of the spiro union has the second screw rod on the support.

Preferably, the outer wall of the rotating shaft is provided with an external spline, the inner side wall of the upright post is provided with an internal spline, and the rotating shaft moves relative to the upright post to enable the external spline to be meshed with or separated from the internal spline.

Preferably, an elastic part is connected between the inner side wall of the upright post and the rotating shaft, and the elastic force of the elastic part drives the external spline to tend to be meshed with the internal spline.

Preferably, one group of the support is close to the other group of the support, one side of the support is hinged with a bottom plate, a third screw rod is connected with the transverse plate in a threaded manner in an inclined mode, and one end of the third screw rod is abutted to the bottom of the bottom plate.

Compared with the prior art, the utility model has the beneficial effects that: the oil pipe clamping device is simple in structure, the first clamping seat and the second clamping seat of the L-shaped structure are close to each other and clamped on a certain part in the front cover of the automobile, an oil pipe connected with an oil sprayer is placed on the transverse plate, and the second screw rod is rotated to be matched with the support to clamp the oil pipe; the transverse plate and the clamping seat rotate and are fixed relatively through the upright post and the rotating shaft and are used for adjusting the horizontal orientation of the oil sprayer; the rotation of the base plate is used to adjust the angle of inclination of the fuel injector.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic view of a first clamping seat and a second clamping seat of the present invention;

FIG. 3 is a schematic view of the bottom plate and the third screw rod of the present invention;

FIG. 4 is a schematic view of the structure of the column and the shaft.

1. A first holder; 2. a second holder; 3. a first screw; 4. a column; 41. an internal spline; 42. an elastic member; 5. a rotating shaft; 51. an external spline; 6. a transverse plate; 7. a support; 8. a second screw; 9. a base plate; 10. and a third screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a clamping device for automobile fuel injector experiments, first holder 1 including diaphragm 6 and "L" type structure, second holder 2, the horizontal end of first holder 1 and the horizontal end sharp sliding fit of second holder 2, swivelling joint has first screw rod 3 on the horizontal end of second holder 2, first screw rod 3 and first holder 1 screwed connection, the rigid coupling has stand 4 on the second holder 2, the rigid coupling has pivot 5 on the diaphragm 6, rotatory and fixed connection between pivot 5 and the stand 4, the rigid coupling has parallel support 7 on the diaphragm 6, the spiro union has second screw rod 8 on one of them group of support 7.

Further, the outer wall of the rotating shaft 5 is provided with an external spline 51, the inner side wall of the upright post 4 is provided with an internal spline 41, and the rotating shaft 5 moves relative to the upright post 4 to enable the external spline 51 to be meshed with or separated from the internal spline 41.

Furthermore, an elastic member 42 is connected between the inner side wall of the upright post 4 and the rotating shaft 5, and the elastic force of the elastic member 42 drives the external spline 51 to tend to be engaged with the internal spline 41.

Furthermore, one side of one group of the support 7 close to the other group of the support 7 is hinged with a bottom plate 9, a third screw 10 is screwed on the transverse plate 6 in an inclined mode, and one end of the third screw 10 is abutted to the bottom of the bottom plate 9.

One embodiment of the utility model:

the oil injectors are separated from the automobile engine, at the moment, a plurality of groups of oil injectors are connected to the oil pipe at the same time, and the length of an oil conveying pipeline is limited.

Oil pipes connected with a plurality of groups of oil injectors are placed between two groups of supports 7 at the top of a transverse plate 6, the second screw 8 is rotated to enable one end of the oil pipes to be abutted to the outer wall of the oil pipes, the oil pipes are fixed to the top of the transverse plate 6, the vertical end of a first clamping seat 1 and the vertical end of a second clamping seat 2 are placed on two opposite sides of a certain part of a front cover of an automobile, the first screw 3 is rotatably connected to the vertical end of the second clamping seat 2 in situ, the first screw 3 is rotated to drive the transverse end of the first clamping seat 1 to linearly move on the transverse end of the second clamping seat 2, and therefore the distance between the vertical end of the first clamping seat 1 and the vertical end of the second clamping seat 2 is adjusted, and the first clamping seat 1 and the second clamping seat 2 are matched and fixed to the certain part.

The upright post 4 is fixed on the top wall of the transverse end of the second clamping seat 2, and the rotating shaft 5 at the bottom of the transverse plate 6 is rotatably connected inside the upright post 4, so that the change of the injection directions of the multiple groups of oil injectors relative to the first clamping seat 1 and the second clamping seat 2 is realized; when the external spline 51 at the lower end of the rotating shaft 5 is engaged with the internal spline 41 on the inner side wall of the column 4, the rotating shaft 5 is fixed relative to the column 4.

The rotating shaft 5 can move along the axial direction of the rotating shaft 5 relative to the column 4, so that the external splines 51 are meshed with or separated from the internal splines 41; the transverse plate 6 and the rotating shaft 5 are kept meshed with the external spline 51 and the internal spline 41 under the action of gravity in a normal state; one end of the elastic piece 42 is connected to the top wall of the inner cavity of the upright post 4, the other end of the elastic piece 42 is abutted to the top wall of the lower end of the rotating shaft 5 and can be separated, the rotating shaft 5 moves upwards relative to the upright post 4 to enable the external spline 51 to be separated from being meshed with the internal spline 41, meanwhile, the elastic piece 42 is compressed to generate reverse elastic force, and at the moment, the rotating shaft 5 rotates relative to the upright post 4 to adjust the orientation of the fuel injector clamped on the transverse plate 6; the elastic member 42 elastically pushes the external spline 51 of the lower end of the rotating shaft 5 to move into engagement with the internal spline 41.

The side wall of one group of the support seats 7 is hinged with a bottom plate 9, the bottom plate 9 is located between the two groups of the support seats 7, when an oil pipe connected with an oil sprayer is placed between the two groups of the support seats 7, the bottom of the oil pipe connected with the oil sprayer is abutted against the bottom plate 9, the bottom plate 9 replaces the transverse plate 6 to be abutted against the oil pipe connected with the oil sprayer to play a supporting role, the inclined upper end of the third screw 10 is abutted against the bottom of the bottom plate 9, and the third screw 10 is rotated to drive the third screw 10 to move along the axis direction of the third screw, so that the bottom plate 9 is driven to rotate relative to the support seats 7 to adjust the included angle between the bottom plate 9 and the transverse plate 6; the oil pipe that the sprayer is connected is placed at bottom plate 9 top to the orientation of change sprayer is realized to the change of the contained angle between bottom plate 9 and diaphragm 6.

The axis of the rotating shaft 5 is perpendicular to the hinge axis of the bottom plate 9.

Two sets of supports 7 are parallel to each other and are fixedly connected in the middle of the transverse plate 6, the length of each support 7 is far less than that of the transverse plate 6, and the length of each support 7 is far less than the distance between every two adjacent fuel injectors.

The electrical equipment is connected with an external power supply through an external control switch.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a clamping device for automobile fuel injector experiments, includes first holder (1), second holder (2) of diaphragm (6) and "L" type structure, its characterized in that: the horizontal end of first holder (1) and the horizontal end sharp sliding fit of second holder (2), swivelling joint has first screw rod (3) on the horizontal end of second holder (2), first screw rod (3) and first holder (1) threaded connection, the rigid coupling has stand (4) on second holder (2), the rigid coupling has pivot (5) on diaphragm (6), rotatory and fixed connection between pivot (5) and stand (4), the rigid coupling has parallel support (7) on diaphragm (6), and wherein a set of the spiro union has second screw rod (8) on support (7).

2. The clamping device for the automobile fuel injector experiment according to claim 1, is characterized in that: the outer wall of the rotating shaft (5) is provided with an external spline (51), the inner side wall of the upright post (4) is provided with an internal spline (41), and the rotating shaft (5) moves relative to the upright post (4) to enable the external spline (51) to be meshed with or separated from the internal spline (41).

3. The clamping device for the automobile fuel injector experiment according to claim 2, is characterized in that: an elastic piece (42) is connected between the inner side wall of the upright post (4) and the rotating shaft (5), and the elastic force of the elastic piece (42) drives the external spline (51) to tend to be meshed with the internal spline (41).

4. The clamping device for the automobile fuel injector experiment according to claim 1, is characterized in that: wherein a set of support (7) are close to another set of support (7) one side articulates there is bottom plate (9), it has third screw rod (10) to slope spiro union on diaphragm (6), third screw rod (10) one end with bottom plate (9) bottom butt.