CN210953344U

CN210953344U - Filter test fixture

Info

Publication number: CN210953344U
Application number: CN201921462105.3U
Authority: CN
Inventors: 陶士明
Original assignee: Shanghai Jiyi Automobile Fittings Co ltd
Current assignee: Shanghai Jiyi Automobile Fittings Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-07-07
Anticipated expiration: 2029-09-04

Abstract

A filter test fixture comprises a filter base, a central pipe, a filter element to be tested, a first sealing gasket, a second sealing gasket, an adjusting cushion block, a positioning bolt, a shell, a locking bolt and an oil drainage bolt; an oil inlet pore channel and an oil outlet pore channel are formed on the filter seat; the top end of the central tube is connected with an oil outlet pore channel, and an oil outlet hole is formed in the central tube; the filter core, first sealed pad, the sealed pad of second, the regulation cushion that await measuring overlaps on the center tube, and first sealed pad and the sealed pad of second set up respectively in the top and the bottom of the filter core inner chamber that await measuring, and positioning bolt is connected and locks with the bottom of center tube, and the shell covers filter core, the center tube that await measuring to be connected through the bottom surface of locking bolt and filter seat, the bottom of shell cover is equipped with the oil drain hole, and the oil drain bolt is connected with the oil drain hole. The utility model discloses but clamping filter core, simple structure easily assembles, dismantles, has shortened test sample's preparation time, and main filter seat, center tube and shell can use repeatedly, have saved experimental expense.

Description

Filter test fixture

Technical Field

The utility model relates to an anchor clamps, in particular to filter test fixture.

Background

The conventional known filter test fixture adopts a filter base with an oil inlet and an oil outlet, a connecting stud is arranged in the center of the filter base, and the spin-on filter is connected with the filter base through the connecting stud. The filter test fixture has the defects that only a rotary filter can be installed, and the special filter, particularly the filter without a shell (also called a filter element), cannot be installed.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a filter test fixture.

The purpose of the utility model can be realized by the following technical scheme: a filter test fixture comprises a filter base, a central pipe, a filter element to be tested, a first sealing gasket, a second sealing gasket, an adjusting cushion block, a positioning bolt, a shell, a locking bolt and an oil drainage bolt; the filter base is provided with an oil inlet pore channel and an oil outlet pore channel, the oil inlet pore channel is communicated from the side surface to the bottom surface of the filter base, and the oil outlet pore channel is arranged in a fixed through manner from the filter base; the central pipe is erected on the bottom surface of the filter base, the top end of the central pipe is connected with the bottom end of the oil outlet hole channel, more than 2 groups of oil outlet hole groups are arranged in the middle of the central pipe along the axial direction, each group of oil outlet hole groups comprises a plurality of oil outlet holes, and the plurality of oil outlet holes are uniformly distributed along the circumferential direction of the central pipe; the filter core cover that awaits measuring is on the center tube, first sealed pad and the sealed pad cover of second set up respectively on the center tube in the top and the bottom of awaiting measuring filter core inner chamber, adjust the cushion cover on the center tube and withstand the sealed bottom surface that fills up of second, positioning bolt is connected with the bottom of center tube, and positioning bolt will adjust cushion, the sealed pad of second, the filter core that awaits measuring, first sealed pad locking on the center tube from the bottom, the shell covers other parts on filter core, center tube and the center tube that awaits measuring to be connected with the bottom surface of filter seat through locking bolt, the bottom of shell cover is equipped with the oil drain hole, the oil drain bolt is connected with the oil drain hole.

Furthermore, one end of the oil inlet pore passage of the filter base, which corresponds to the side surface of the filter base, is provided with internal threads.

Furthermore, an oil outlet channel of the filter base is provided with an internal thread; the top end of the central tube is provided with external threads.

Furthermore, the bottom of center tube is equipped with the internal thread, the oil drain hole of shell cover is equipped with the internal thread.

Furthermore, a shaft shoulder is arranged at the position, close to the top end, of the central tube, a first annular groove corresponding to the first sealing gasket is arranged at the position of the shaft shoulder, and a second annular groove corresponding to the second sealing gasket is arranged at the position, close to the bottom end, of the outer wall of the central tube.

Furthermore, a gasket is arranged between the adjusting cushion block and the positioning bolt.

Furthermore, a plurality of locking bolt holes are correspondingly and uniformly distributed on the outer shell cover and the filter seat along the circumferential direction.

Furthermore, an O-shaped ring is arranged between the top surface of the outer shell cover and the bottom surface of the filter base, and an O-shaped ring groove corresponding to the O-shaped ring is formed in the top surface of the outer shell cover.

Compared with the prior art, the beneficial effects of the utility model are that: the filter element can be clamped, the whole clamp is simple in structure and easy to assemble and disassemble, the preparation time of a test sample is shortened, the main filter seat, the central tube and the shell can be used repeatedly, and the test cost is saved.

Drawings

Fig. 1 is a top view of the present invention.

Fig. 2 is a sectional view taken along the line a-a in fig. 1.

The parts in the figures are numbered as follows:

1 Filter seat

101 oil inlet duct

102 oil outlet channel

2 center tube

201 oil outlet

3 Filter element to be tested

301 filter material

4 first gasket

5 second gasket

6 adjusting cushion block

7 shim

8 positioning bolt

9 outer cover

10 locking bolt

11 oil drain bolt

12O-ring.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.

Referring to fig. 1 and 2, a filter test fixture mainly comprises a filter base 1, a central tube 2, a filter element 3 to be tested, a first sealing gasket 4, a second sealing gasket 5, an adjusting cushion block 6, a positioning bolt 8, a shell 9, a locking bolt 10 and an oil drain bolt 11.

The filter base 1 is in a circular truncated cone shape, an oil inlet hole channel 101 and an oil outlet hole channel 102 are formed in the filter base 1, the oil inlet hole channel 101 is communicated from the side face to the bottom face of the filter base 1, one end, corresponding to the side face of the filter base 1, of the oil inlet hole channel 101 is an oil inlet, an internal thread is arranged at the position of the oil inlet, the oil inlet is used for being externally connected with an oil inlet pipe, the oil outlet hole channel 102 is communicated with the top bottom of the central axis of the filter base 1, the oil outlet hole channel 102 is provided with the internal thread, an oil outlet is formed in the top end of the oil outlet hole channel 102, the oil.

The central line setting of central tube 2 along filter seat 1 and its top are connected with oil outlet channel 102's bottom, and the top of central tube 2 is equipped with the external screw thread, and the middle part of central tube 2 is equipped with the oil outlet 201 group more than 2 groups along the axial, and every group oil outlet 201 group includes a plurality of oil outlets 201, and a plurality of oil outlets 201 set up along the circumference equipartition of central tube 2, and the bottom of central tube 2 is equipped with the internal thread.

The filter element 3 to be tested is sleeved on the central tube 2, the filter element 3 to be tested is a filter without a shell 9, and a filtering material 301 is arranged in the filter element 3 to be tested. The first sealing gasket 4 and the second sealing gasket 5 are sleeved on the central tube 2 and are respectively arranged at the top end and the bottom end of the inner cavity of the filter element 3 to be tested, and the first sealing gasket 4 and the second sealing gasket 5 separate the inner cavity of the filter element 3 to be tested from the external space. The center tube 2 is provided with a shaft shoulder near the top end, the shaft shoulder is provided with a first annular groove corresponding to the first sealing gasket 4, and the center tube 2 is further provided with a second annular groove corresponding to the second sealing gasket 5 near the bottom end.

The adjusting cushion block 6 is sleeved on the central tube 2 and props against the bottom surface of the second sealing gasket 5. Positioning bolt 8 is connected with the bottom of center tube 2, and positioning bolt 8 will adjust the cushion 6, the sealed pad 5 of second, the filter core 3 that awaits measuring, the sealed 4 locking of first pad on center tube 2 from the bottom, still be equipped with gasket 7 between adjusting cushion 6 and the positioning bolt 8.

The shell 9 covers the filter element 3 to be tested, the central tube 2 and other components on the central tube 2, and is connected with the bottom surface of the filter base 1 through the locking bolts 10, and a plurality of locking bolt 10 holes are correspondingly uniformly distributed on the shell 9 and the filter base 1 along the circumferential direction. The bottom of the shell 9 cover is provided with an oil drain hole which is provided with internal threads. The oil drain bolt 11 is connected with the oil drain hole. An O-shaped ring 12 is arranged between the top surface of the housing 9 cover and the bottom surface of the filter base 1, and an O-shaped ring groove corresponding to the O-shaped ring 12 is formed in the top surface of the housing 9 cover.

During testing, a test medium (such as engine oil) enters the filter base 1 from the oil inlet, enters the housing 9 through the oil inlet duct 101, enters the inner cavity of the filter element 3 to be tested from the peripheral side of the filter element 3 to be tested through the filter material 301, enters the central tube 2 through the oil outlet hole 201, and finally flows out of the oil outlet through the oil outlet duct 102.

The whole clamp is simple in structure and easy to assemble and disassemble, and preparation time and test cost of test samples are shortened.

It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.

Claims

1. A filter test fixture is characterized by comprising a filter seat, a central pipe, a filter element to be tested, a first sealing gasket, a second sealing gasket, an adjusting cushion block, a positioning bolt, a shell, a locking bolt and an oil drainage bolt;

the filter base is provided with an oil inlet pore channel and an oil outlet pore channel, the oil inlet pore channel is communicated from the side surface to the bottom surface of the filter base, and the oil outlet pore channel is arranged in a penetrating manner along the top bottom of the central axis of the filter base;

the central pipe is erected on the bottom surface of the filter base, the top end of the central pipe is connected with the bottom end of the oil outlet hole channel, more than 2 groups of oil outlet hole groups are arranged in the middle of the central pipe along the axial direction, each group of oil outlet hole groups comprises a plurality of oil outlet holes, and the plurality of oil outlet holes are uniformly distributed along the circumferential direction of the central pipe;

the filter core cover that awaits measuring is on the center tube, first sealed pad and the sealed pad cover of second set up respectively on the center tube in the top and the bottom of awaiting measuring filter core inner chamber, adjust the cushion cover on the center tube and withstand the sealed bottom surface that fills up of second, positioning bolt is connected with the bottom of center tube, and positioning bolt will adjust cushion, the sealed pad of second, the filter core that awaits measuring, first sealed pad locking on the center tube from the bottom, the shell covers the filter core, the part on center tube and the center tube that awaits measuring to be connected with the bottom surface of filter seat through locking bolt, the bottom of shell cover is equipped with the oil drain hole, the oil drain bolt is connected with the oil drain hole.

2. The filter test fixture of claim 1, wherein an internal thread is provided at an end of the oil inlet channel of the filter base corresponding to the side of the filter base.

3. The filter test fixture of claim 1, wherein the oil outlet passage of the filter base is internally threaded; the top end of the central tube is provided with external threads.

4. The filter test fixture of claim 1, wherein the bottom end of the center tube is internally threaded and the oil drain hole of the outer housing cover is internally threaded.

5. The filter testing fixture of claim 1, wherein the center tube has a shoulder disposed near the top end thereof, the shoulder having a first annular groove corresponding to the first gasket, and the outer wall of the center tube has a second annular groove corresponding to the second gasket disposed near the bottom end thereof.

6. The filter test fixture of claim 1, wherein a spacer is disposed between the adjustment block and the set screw.

7. The filter test fixture of claim 1, wherein the housing cover and the filter base are circumferentially and uniformly provided with a plurality of locking bolt holes, respectively.

8. The filter test fixture of claim 1, wherein an O-ring is disposed between the top surface of the housing cover and the bottom surface of the filter base, and an O-ring groove corresponding to the O-ring is formed on the top surface of the housing cover.