阅读说明：本技术 机动车机油滤清器干式密封性试验的专用限定容积装置 (Special volume limiting device for dry-type sealing performance test of motor vehicle oil filter ) 是由 张中军 于 2021-08-06 设计创作，主要内容包括：本发明涉及机油滤清器检测技术领域,尤其涉及机动车机油滤清器干式密封性试验的专用限定容积装置,包括安装板和限制模块,所述安装板的下端面固定安装有旋转气缸,所述旋转气缸的输出端延伸至安装板的上端并与法兰固定连接,所述限制模块位于安装板的上端,限制模块上端面为倾斜设置,限制模块上端面的一端与安装板的上端面相接近,本装置设置有限制模块,将安装板安装在锁紧机构的下面,在检测机构锁紧滤清器后,利用旋转气缸带动限制模块转动,将限制模块垫到锁紧机构底部,以固定橡胶密封垫型变量,达到保证检测密封罩和滤清器之间的检测空腔容积持续不变的效果,保证检测结果的精度,整个装置结构简单合理,造价低廉,适合推广使用。(The invention relates to the technical field of detection of an oil filter, in particular to a special volume limiting device for a dry-type sealing test of the oil filter of a motor vehicle, which comprises a mounting plate and a limiting module, wherein a rotary cylinder is fixedly mounted on the lower end surface of the mounting plate, the output end of the rotary cylinder extends to the upper end of the mounting plate and is fixedly connected with a flange, the limiting module is positioned at the upper end of the mounting plate, the upper end surface of the limiting module is obliquely arranged, one end of the upper end surface of the limiting module is close to the upper end surface of the mounting plate, the limiting module is arranged below a locking mechanism, after the filter is locked by a detection mechanism, the limiting module is driven to rotate by the rotary cylinder to be padded at the bottom of the locking mechanism so as to fix rubber sealing pad type variables and achieve the effect of ensuring the volume of a detection cavity between a detection sealing cover and the filter to be continuously unchanged, the precision of the detection result is ensured, the whole device has simple and reasonable structure and low manufacturing cost, and is suitable for popularization and use.)

1. Experimental special limited displacement device of motor vehicle oil cleaner dry-type leakproofness, including mounting panel (1) and restriction module (2), its characterized in that, the lower terminal surface fixed mounting of mounting panel (1) has revolving cylinder (5), the output of revolving cylinder (5) extend to the upper end of mounting panel (1) and with flange (3) fixed connection, restriction module (2) are located the upper end of mounting panel (1), and restriction module (2) up end sets up for the slope, and the one end of restriction module (2) up end is close with the up end of mounting panel (1) mutually, and is provided with the draw-in groove on the lateral wall of restriction module (2), and restriction module (2) pass through the lateral wall fixed connection of draw-in groove and flange (3), and revolving cylinder (5) drive restriction module (2) through flange (3) and rotate.

2. A special volume-defining means for the dry tightness test of motor vehicle oil filters according to claim 1, characterized in that the angle of inclination of the upper end face of the restriction module (2) is 3 ° -45 °.

3. A special volume-defining means for the dry tightness test of motor vehicle oil filters according to claim 2, characterized in that the angle of inclination of the upper end face of the restriction module (2) is 5 ° -20 °.

4. A special volume-defining device for the dry tightness test of motor vehicle oil filters according to claim 1, characterized in that the minimum distance between the upper end face of the restriction module (2) and the upper end face of the mounting plate (1) is 1mm-5 mm.

5. A special volume-defining device for the dry tightness test of an automotive oil filter according to claim 1, characterized in that the limiting module (2) is semicircular, and the center of the flange (3) coincides with the center of the circle on which the limiting module (2) is located.

6. The special volume limiting device for the dry tightness test of the motor vehicle oil filter of claim 1, wherein the mounting plate (1) is further provided with a vertical through hole (4).

7. A dedicated volume-defining means for the dry tightness test of an automotive oil filter according to claim 1, characterized in that the mounting plate (1) is an oblong plate.

Technical Field

The invention relates to the technical field of detection of engine oil filters, in particular to a special volume limiting device for a dry-type sealing test of an engine oil filter of a motor vehicle.

Background

The rubber sealing gasket is arranged between a detection platform of the conventional filter dry-type leak detector and a detected filter on the detection platform, when high-pressure air is filled in the detected filter, the rubber sealing gasket can be compressed, tests prove that the compression process can continuously occur, the volume of a detection cavity between the detection sealing cover and the filter can be continuously changed due to the phenomenon, in the whole detection process, the pressure of gas in the detection cavity can be stabilized, so that the precision of a detection result can be reduced, particularly, a large error can be caused when a small leakage amount is detected, further, the detection error can be caused, the stability of the detection result is poor, equipment faults are easily caused, the production line is stopped, and great loss is caused to the production of users.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a special volume limiting device for a dry sealing test of an oil filter of a motor vehicle.

In order to achieve the purpose, the invention adopts the following technical scheme:

experimental special limited displacement device of motor vehicle oil cleaner dry-type leakproofness, including mounting panel and restriction module, the lower terminal surface fixed mounting of mounting panel has revolving cylinder, revolving cylinder's output extend to the upper end of mounting panel and with flange fixed connection, the restriction module is located the upper end of mounting panel, and the restriction module up end sets up for the slope, and the one end of restriction module up end is close mutually with the up end of mounting panel, and is provided with the draw-in groove on the lateral wall of restriction module, and the restriction module passes through the lateral wall fixed connection of draw-in groove and flange, and revolving cylinder passes through flange drive restriction module and rotates.

Preferably, the inclination angle of the upper end face of the limiting module is 3-45 degrees.

Preferably, the inclination angle of the upper end face of the limiting module is 5-20 degrees.

Preferably, the minimum distance between the upper end face of the limiting module and the upper end face of the mounting plate is 1mm-5 mm.

Preferably, the limiting module is semicircular, and the center of the flange coincides with the center of a circle where the limiting module is located.

Preferably, the mounting plate is further provided with a vertical through hole.

Preferably, the mounting plate is an oblong plate.

The invention has the beneficial effects that: this device is provided with the restriction module, installs the mounting panel below locking mechanism, behind detection mechanism locking filter, utilizes revolving cylinder to drive the restriction module and rotates, fills up the restriction module to locking mechanism bottom to fixed rubber seal pad type variable reaches and guarantees to detect the detection cavity volume between sealed cowling and the filter and lasts unchangeable effect, guarantees the precision of testing result, and whole device simple structure is reasonable, and low in cost is fit for using widely.

Drawings

Fig. 1 is a schematic structural diagram of a special volume limiting device for a dry-type sealability test of an oil filter of a motor vehicle, which is provided by the invention.

In the figure: 1 mounting plate, 2 restriction modules, 3 flanges, 4 through holes and 5 rotary cylinders.

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.

Referring to fig. 1, experimental special use of motor vehicle oil cleaner dry-type leakproofness is injectd the displacement device, including mounting panel 1 and restriction module 2, mounting panel 1's lower terminal surface fixed mounting has revolving cylinder 5, revolving cylinder 5's output extend to mounting panel 1's upper end and with flange 3 fixed connection, restriction module 2 is located mounting panel 1's upper end, and restriction module 2 up end sets up for the slope, and the one end of restriction module 2 up end is close with mounting panel 1's up end mutually, and is provided with the draw-in groove on restriction module 2's the lateral wall, and restriction module 2 passes through the lateral wall fixed connection of draw-in groove and flange 3, and revolving cylinder 5 passes through flange 3 drive restriction module 2 and rotates.

Furthermore, the inclination angle of the upper end surface of the limiting module 2 is 3-45 degrees.

Furthermore, the inclination angle of the upper end surface of the limiting module 2 is 5-20 degrees.

Furthermore, the minimum distance between the upper end surface of the limiting module 2 and the upper end surface of the mounting plate 1 is 1mm-5 mm.

Furthermore, the limiting module 2 is semicircular, and the center of the flange 3 coincides with the center of a circle where the limiting module 2 is located.

Furthermore, a vertical through hole 4 is formed in the mounting plate 1, and the through hole 4 is used for connecting the mounting plate 1 with the detection table.

Further, the mounting plate 1 is an oblong plate.

In this embodiment, this device is provided with restriction module 2, install mounting panel 1 below locking mechanism, after detection mechanism locking filter, utilize revolving cylinder 5 to drive restriction module 2 and rotate, fill up locking mechanism bottom with restriction module 2, restriction module 2's upper end sets up for the slope, be convenient for between slow crowded mounting panel 1 and the locking mechanism of getting into of restriction module 2, with fixed rubber seal pad type variable, reach the detection cavity volume that guarantees to detect between sealed cowling and the filter and last unchangeable effect, guarantee the precision of testing result, whole device simple structure is reasonable, low in cost, and is suitable for being generalized to use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.