CN213725137U - Long-life hydraulic filter - Google Patents

Abstract

The utility model discloses a long-life hydraulic pressure filter, including sealing plate, sealing plate's inboard fixed mounting has the uide bushing, the inboard of uide bushing is provided with the water filtering piece, the filter stand main part is installed in the outside of water filtering piece upper end, the lower terminal surface sliding connection who filters the stand main part has the separation backup pad, filter the stand main part and separate the backup pad and pass through sealed pad connection, the outside fixed mounting who separates the backup pad has the filter main part shell, one side fixed mounting who filters the main part shell has leads oil pipe, lead oil pipe's inboard and install supporting spring, the unidirectional flow head is installed to supporting spring's one end, the inboard sliding connection of unidirectional flow head one end has the uide bushing, the secondary filter piece is installed to one side of water bushing. The utility model discloses a carry out secondary filter and one-way water conservancy diversion to hydraulic oil, the pressure that can effectively avoid hydraulic oil is to the knot structure and is constructed into the damage, and life is more of a specified duration.

Description

Long-life hydraulic filter

Technical Field

The utility model relates to a filter technical field specifically is a long-life hydraulic filter.

Background

Along with social economy's rapid development, the scale of car is bigger and bigger, and hydraulic oil in the car need use the filter to filter, and the hydraulic oil quality influences hydraulic system working property greatly, and the root cause of a lot of troubles all derives from it, can hold back the pollutant in the fluid through the filter, can make fluid keep clean, guarantees that fluid system normally works, and the effect of hydraulic oil is: energy transfer, lubrication, corrosion prevention, rust prevention, cooling, inevitable mixing of moisture, gas, volatile substances and impurities into the hydraulic oil for various reasons, accelerating oxidation of some, and promoting formation of foam and oil stain.

However, the existing hydraulic filter is susceptible to pressure influence on the filtering of hydraulic oil, so that the structure is damaged, the filtering efficiency is poor, and the service life is further influenced; thus, the existing requirements are not met, and a long-life hydraulic filter is provided for the same.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long-life hydraulic filter to the current hydraulic filter who proposes easily receives the pressure influence to the filtration of hydraulic oil in solving above-mentioned background art, causes the damage of structure, and the filtration efficiency variation, and then influences life scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high life hydraulic pressure filter, includes sealing plate, sealing plate's inboard fixed mounting has the uide bushing, the inboard of uide bushing is provided with the piece that strains water, strain the outside of water piece upper end and install the filter frame main part, the lower terminal surface sliding connection who crosses the filter frame main part has the separation backup pad, it passes through sealed pad connection with the separation backup pad to cross the filter frame main part, the outside fixed mounting who separates the backup pad has the filter body shell, one side fixed mounting who filters the body shell has leads oil pipe, lead oil pipe's inboard and install supporting spring, the one-way flow guide head is installed to supporting spring's one end, the inboard sliding connection of one-way flow guide head one end has the water conservancy diversion cover, the secondary filter piece is installed to one side of water conservancy diversion cover, the outside sliding connection of filtering frame main part upper end has the locating rack.

Preferably, an upper end cover is fixedly mounted on the upper end face of the filtering main body shell, the upper end cover is connected with the filtering main body shell through a sealing ring, and an oil inlet end is arranged at the upper end of the upper end cover.

Preferably, one end of the oil guide pipe is fixedly connected with the filtering main body shell through a screw, the flow guide sleeve is connected with the oil guide pipe through a thread, and a flow guide hole is formed in the outer side of one end of the flow guide sleeve.

Preferably, the one-way flow guide head is connected with the oil guide pipe through a support spring, a flow guide frame is arranged on the inner side of one end of the oil guide pipe, and one end of the support spring is welded and fixed with the flow guide frame.

Preferably, the secondary filter block is in threaded connection with the filter body shell, and filter holes are formed in the inner side of the secondary filter block.

Preferably, the upper end of locating rack passes through the screw connection with filtering the main part shell fixedly, the outside of filtering the upper end of frame main part is provided with the constant head tank, the bottom of locating rack is pegged graft in the inboard of constant head tank.

Preferably, the bottom end of the guide sleeve is in threaded connection with a sealing bottom plate, and the sealing bottom plate is fixedly connected with the filtering main body shell through screws.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a locating rack can be fixed a position the filter frame main part, avoid taking place the skew when using, can filter hydraulic oil through the filter frame main part, filter the back and carry out the secondary filtration operation through the filtration hole that secondary filter block inboard was provided with, and then effectively improve filtration efficiency and the oil quality after filtering, be provided with the water conservancy diversion hole in the outside of water conservancy diversion cover one end, make the water conservancy diversion hole when carrying out the water conservancy diversion to hydraulic oil, one-way water conservancy diversion bandeau moves supporting spring and contracts, and then realize one-way water conservancy diversion operation, effectively avoid the pressure of hydraulic oil to cause the damage to filter structure and influence filtration ability;

2. the utility model discloses a bottom of filtering the frame main part is passed through sealed the pad with separating the backup pad and is connected for sealed the leakproofness that can effectively strengthen filtering frame main part bottom of filling up is provided with the drainage piece in the inboard of uide bushing, makes the drainage piece can separate the moisture in the opposite hydraulic oil, improves oil purity.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

FIG. 2 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 3 is a schematic view of a partial cross-sectional structure of the oil conduit of the present invention;

fig. 4 is a schematic view of a partial structure of the filter holder body according to the present invention.

In the figure: 1. a filter body housing; 2. an upper end cover; 3. an oil guide pipe; 4. a seal ring; 5. a filter frame main body; 6. a positioning frame; 7. a support spring; 8. a gasket; 9. a guide sleeve; 10. a separation support plate; 11. a water filtering block; 12. sealing the bottom plate; 13. a secondary filtering block; 14. a flow guide sleeve; 15. a unidirectional flow guide head; 16. an oil inlet end.

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.

Referring to fig. 1 to 4, the present invention provides an embodiment: a long-life hydraulic filter comprises a sealing base plate 12, a guide sleeve 9 is fixedly installed on the inner side of the sealing base plate 12, a water filtering block 11 is arranged on the inner side of the guide sleeve 9, a filter frame main body 5 is installed on the outer side of the upper end of the water filtering block 11, a separating support plate 10 is connected to the lower end face of the filter frame main body 5 in a sliding mode, the filter frame main body 5 is connected with the separating support plate 10 through a sealing gasket 8, a filter main body shell 1 is fixedly installed on the outer side of the separating support plate 10, an oil guide pipe 3 is fixedly installed on one side of the filter main body shell 1, a support spring 7 is installed on the inner side of the oil guide pipe 3, a one-way flow guide head 15 is installed at one end of the support spring 7, the one-way flow guide head 15 drives the support spring 7 to contract, one-way flow guide operation is further achieved, the filtering capability is effectively prevented from being influenced by the damage of the pressure of hydraulic oil to a filtering structure, a flow guide sleeve 14 is connected to the inner side of one end of the one-way flow guide head 15 in a sliding mode, be convenient for lead to one-way water conservancy diversion head 15 through water conservancy diversion cover 14, keep one-way water conservancy diversion head 15's stability, secondary filter block 13 is installed to one side of water conservancy diversion cover 14, and the outside sliding connection that crosses 5 upper ends of filter frame main part has locating rack 6, wholly through carrying out secondary filter and one-way water conservancy diversion to hydraulic oil, can effectively avoid the pressure of hydraulic oil to be constructed into the damage to the knot, life is more of a specified duration.

Further, an upper end cover 2 is fixedly mounted on the upper end face of the filtering main body shell 1, the upper end cover 2 is connected with the filtering main body shell 1 through a sealing ring 4, and an oil inlet end 16 is arranged at the upper end of the upper end cover 2.

Through adopting above-mentioned technical scheme, hydraulic oil gets into the inboard that filters main part shell 1 through upper end cover 2, and the leakproofness is good.

Furthermore, one end of the oil guide pipe 3 is fixedly connected with the filtering main body shell 1 through a screw, the flow guide sleeve 14 is connected with the oil guide pipe 3 through a thread, and a flow guide hole is formed in the outer side of one end of the flow guide sleeve 14.

By adopting the technical scheme, the guide sleeve 14 is convenient for guiding the one-way guide head 15, and the stability of the one-way guide head 15 is kept.

Furthermore, the one-way flow guide head 15 is connected with the oil guide pipe 3 through a support spring 7, a flow guide frame is arranged on the inner side of one end of the oil guide pipe 3, and one end of the support spring 7 is welded and fixed with the flow guide frame.

Through adopting above-mentioned technical scheme, one-way water conservancy diversion head 15 drives supporting spring 7 and contracts, and then realizes one-way water conservancy diversion operation, effectively avoids the pressure of hydraulic oil to cause the damage to filtration influence filtration ability.

Further, the secondary filter block 13 is connected with the filter body shell 1 through threads, and filter holes are formed in the inner side of the secondary filter block 13.

Through adopting above-mentioned technical scheme, carry out the secondary filter operation through filtering the hole, and then effectively improve filtration efficiency and filter back oil quality.

Further, the upper end of locating rack 6 is fixed with filtering main part shell 1 through screwed connection, and the outside of filtering 5 upper ends of shelf main part is provided with the constant head tank, and the bottom of locating rack 6 is pegged graft in the inboard of constant head tank.

Through adopting above-mentioned technical scheme, can fix a position filter frame main part 5 through locating rack 6, avoid taking place the skew when using.

Further, the bottom end of the guide sleeve 9 is connected with the sealing bottom plate 12 through threads, and the sealing bottom plate 12 is fixedly connected with the filtering main body shell 1 through screws.

Through adopting above-mentioned technical scheme, install the protection through uide bushing 9 to straining water piece 11, the piece 11 of straining water of being convenient for can separate the moisture in the hydraulic oil, improves oil purity.

The working principle is as follows: when in use, whether the functions of all parts are intact is checked, the oil inlet end 16 is connected with a pipeline, then hydraulic oil enters the inner side of the filtering main body shell 1 through the upper end cover 2, the outer side of the upper end of the filtering frame main body 5 is provided with a positioning groove, the bottom end of the positioning frame 6 is inserted into the inner side of the positioning groove, so that after the filtering frame main body 5 is placed, the filtering frame main body 5 can be positioned through the positioning frame 6, the deviation in use is avoided, the hydraulic oil can be filtered through the filtering frame main body 5, secondary filtering operation is carried out through the filtering holes arranged on the inner side of the secondary filtering block 13 after filtering, further the filtering efficiency and the quality of the filtered oil are effectively improved, the inner side of the oil guide pipe 3 is connected with the guide sleeve 14 through threads, so that the guide sleeve 14 guides the one-way guide head 15, the outer side of one end of the guide sleeve 14 is provided, unilateral flow guide head 15 drives supporting spring 7 and contracts, and then realize one-way water conservancy diversion operation, the pressure of effectively avoiding hydraulic oil causes the damage to filtration to influence filtering capacity, the bottom of filtering frame main part 5 with separate backup pad 10 and pass through sealed 8 connection, make sealed 8 can effectively strengthen the leakproofness of filtering frame main part 5 bottom, inboard at uide bushing 9 is provided with water filtering block 11, make water filtering block 11 can separate the moisture in the hydraulic oil, improve oil purity.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (7)

1. A long-life hydraulic filter, includes sealing bottom plate, its characterized in that: the inboard fixed mounting of sealing bottom plate has the uide bushing, the inboard of uide bushing is provided with the piece of straining water, the filter stand main part is installed in the outside of straining water piece upper end, the lower terminal surface sliding connection of filter stand main part has the separation backup pad, the filter stand main part passes through sealed pad connection with the separation backup pad, the outside fixed mounting who separates the backup pad has the filter body shell, one side fixed mounting who filters the body shell leads oil pipe, lead oil pipe's inboard and install supporting spring, the one-way flow guide head is installed to supporting spring's one end, the inboard sliding connection of one-way flow guide head one end has the water conservancy diversion cover, the secondary filter piece is installed to one side of water conservancy diversion cover, the outside sliding connection of filter stand main part upper end has the locating rack.

2. A long-life hydraulic filter as claimed in claim 1, wherein: the upper end face of the filtering main body shell is fixedly provided with an upper end cover, the upper end cover is connected with the filtering main body shell through a sealing ring, and the upper end of the upper end cover is provided with an oil inlet end.

3. A long-life hydraulic filter as claimed in claim 1, wherein: one end of the oil guide pipe is fixedly connected with the filtering main body shell through a screw, the flow guide sleeve is connected with the oil guide pipe through threads, and a flow guide hole is formed in the outer side of one end of the flow guide sleeve.

4. A long-life hydraulic filter as claimed in claim 1, wherein: the single-direction flow guide head is connected with the oil guide pipe through a support spring, a flow guide frame is arranged on the inner side of one end of the oil guide pipe, and one end of the support spring is welded and fixed with the flow guide frame.

5. A long-life hydraulic filter as claimed in claim 1, wherein: the secondary filter block is connected with the filter main body shell through threads, and filter holes are formed in the inner side of the secondary filter block.

6. A long-life hydraulic filter as claimed in claim 1, wherein: the upper end of the positioning frame is fixedly connected with the filtering main body shell through screws, the positioning groove is formed in the outer side of the upper end of the filtering main body, and the bottom end of the positioning frame is inserted into the inner side of the positioning groove.

7. A long-life hydraulic filter as claimed in claim 1, wherein: the bottom end of the guide sleeve is connected with the sealing bottom plate through threads, and the sealing bottom plate is fixedly connected with the filtering main body shell through screws.

Images