CN218516249U - Plug-in mounting type hydraulic filter - Google Patents

Abstract

The utility model discloses a cartridge type hydraulic filter, which comprises a large-diameter section connecting cover, wherein a filter element is inserted in the middle position of the inner side of the large-diameter section connecting cover, a filtering outer layer is arranged on the outer side of the filter element, an annular cavity is arranged at the edge position of the inner side of the large-diameter section connecting cover, four groups of trapezoidal grooves are arranged on one side of the large-diameter section connecting cover, and an annular sealing cover is arranged on one side of the outer side of the filter element; the utility model discloses a block type seal structure between big footpath section connecting cover and the annular seal cover makes the filter core fix a position at the trapezoidal cardboard of four groups block under the pulling effect of dovetail groove and toroidal cavity, stably pegs graft to the rotation of accessible annular seal cover and the trapezoidal cardboard of four groups, can utilize four group's lugs and setting element accurate positioning that the position corresponds, the effectual stability of guaranteeing this filter work, and make things convenient for dismouting and grafting work, increase the work efficiency that this hydraulic filter maintained the clearance.

Description

Plug-in mounting type hydraulic filter

Technical Field

The utility model relates to a hydraulic filter technical field specifically is a cartridge formula hydraulic filter.

Background

The hydraulic filter is used for filtering various impurities in the hydraulic system, most faults of the hydraulic system are caused by impurities mixed in the medium, and therefore, the working medium is kept clean as a necessary condition for the normal operation of the hydraulic system;

along with long-time filtering work at the filter, its inside filterable impurity can save the skin of filter core, consequently often need clear up the filter dismouting, but the filter is for steady operation, and mounting structure is comparatively complicated, and the degree of difficulty is great when actually dismantling, increases staff's the operation degree of difficulty and inconvenience.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cartridge formula hydraulic filter 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: the utility model provides a cartridge formula hydraulic filter, includes big footpath section connecting cover, big footpath section connecting cover inboard intermediate position department is inserted and is equipped with the filter core, the filtration skin is installed in the outside of filter core, the ring cavity has been seted up to the inboard border position department of big footpath section connecting cover, four trapezoidal grooves of group have been seted up to one side of big footpath section connecting cover, one side in the filter core outside is equipped with the annular seal cover, the edge of annular seal cover one side install the trapezoidal cardboard with the mutual adaptation of trapezoidal groove, four groups the intermediate position department that one side was kept away from each other to trapezoidal cardboard installs the lug, four groups the locating hole has been seted up to the inside of lug, the setting element of four groups and locating hole screw thread adaptation is installed in the outside of big footpath section connecting cover.

Preferably, the jack has been seted up to inboard intermediate position department of major diameter section connecting cover, and jack and filter core mutual adaptation, and the seting up of accessible jack lets make things convenient for the downthehole installation of filter core plug-in.

Preferably, the outside of annular sealed cowling is equipped with sealed the pad, and sealed pad and the mutual laminating of big footpath section connecting cover, increases the leakproofness of structure laminating.

Preferably, the four groups of trapezoidal grooves and the four groups of trapezoidal clamping plates are matched in a clamping manner in a trapezoidal structure, the four groups of trapezoidal clamping plates are rotatably adjusted in the cavity of the annular cavity, and the four groups of trapezoidal clamping plates are conveniently clamped into the trapezoidal grooves with the traction effect to perform position positioning.

Preferably, the four sets of positioning pieces extend into the annular cavity and are in threaded connection with the positioning holes, and the four sets of projections are opposite to the vertical surfaces of the positioning pieces, so that the positioning pieces can be conveniently installed and fixed through the opposite vertical surfaces of the projections and the positioning pieces.

Preferably, an annular empty groove is formed in the middle of the inner side of the annular cavity, and the annular empty groove is matched with the protruding block, so that the protruding block is conveniently located under the annular empty groove, and position adjustment is carried out.

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

the plug-in type hydraulic filter has the advantages that the filter element is enabled to be clamped and positioned under the traction effect of the trapezoid grooves and the annular cavity through the clamping type sealing structure between the large-diameter section connecting cover and the annular sealing cover, the plug-in type hydraulic filter is stably plugged, four groups of convex blocks and positioning pieces which correspond to the positions can be accurately positioned through the rotation of the annular sealing cover and the four groups of trapezoid clamping plates, the working stability of the filter is effectively ensured, the disassembly, the assembly and the plug-in type hydraulic filter are convenient, and the working efficiency of maintenance and cleaning of the hydraulic filter is increased.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a first front cross-sectional view of the present invention;

fig. 3 is a second front cross-sectional view of the present invention;

fig. 4 is a side view of the large diameter section connecting cover of the present invention;

fig. 5 is an enlarged schematic view of the structure at a of fig. 2 according to the present invention.

In the figure: 1. the large-diameter section is connected with the cover; 2. an annular seal housing; 3. filtering the outer layer; 4. a trapezoidal groove; 5. a trapezoidal snap gauge; 6. a filter element; 7. a bump; 8. an annular cavity; 9. a positioning member; 10. and (7) positioning the holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a plug-in type hydraulic filter comprises a large-diameter section connecting cover 1, a filter element 6 is inserted in the middle position of the inner side of the large-diameter section connecting cover 1, an insertion hole is arranged in the middle position of the inner side of the large-diameter section connecting cover 1 and is matched with the filter element 6, the filter element can be conveniently inserted into the jack for installation, the outer filtering layer 3 is arranged on the outer side of the filter element 6, the annular cavity 8 is arranged at the edge position of the inner side of the large-diameter section connecting cover 1, four groups of trapezoidal grooves 4 are arranged on one side of the large-diameter section connecting cover 1, the annular sealing cover 2 is arranged on one side of the outer side of the filter element 6, the sealing pad is arranged on the outer side of the annular sealing cover 2, the sealing gasket is mutually jointed with the large-diameter section connecting cover 1 to increase the sealing performance of the structural joint, the edge of one side of the annular sealing cover 2 is provided with a trapezoidal clamping plate 5 which is mutually matched with the trapezoidal groove 4, the middle position of the inner side of the annular cavity 8 is provided with an annular empty groove, the annular empty groove is matched with the lug 7, the lug 7 is conveniently positioned under the annular empty groove for position adjustment, the lug 7 is installed at the middle position of one side, away from each other, of the four groups of trapezoidal clamping plates 5, the locating hole 10 is formed inside each group of lugs 7, four groups of positioning pieces 9 matched with the locating hole 10 in a threaded mode are installed on the outer side of the large-diameter section connecting cover 1, the four groups of trapezoidal grooves 4 and the four groups of trapezoidal clamping plates 5 are in clamping fit in a trapezoidal structure, the four groups of trapezoidal clamping plates 5 are adjusted in a rotating mode under the cavity of the annular cavity 8, the four groups of trapezoidal clamping plates 5 are conveniently clamped into the trapezoidal grooves 4 with a traction effect for position positioning, the four groups of positioning pieces 9 extend into the annular cavity 8 and are in threaded connection with the locating hole 10, the four groups of lugs 7 are opposite to the vertical surfaces of the positioning pieces 9, and installation and fixation are conveniently carried out through the lugs 7 and the vertical surfaces of the positioning pieces 9.

The working principle is as follows: when the filter needs to be installed, the filter outer layer 3 and the filter element 6 can be used for driving the four groups of trapezoidal clamping plates 5 on the side surface of the annular sealing cover 2 to be inserted into the corresponding trapezoidal grooves 4, the trapezoidal clamping plates 5 can be made to enter the cavity of the annular cavity 8, then the annular sealing cover 2 can be rotated to drive the four groups of trapezoidal clamping plates 5 and the lugs 7 to rotate in the annular cavity 8, so that the four groups of lugs 7 and the positioning pieces 9 correspond to each other, then threaded connection and positioning can be carried out through the positioning holes 10 preset by the positioning pieces 9 and the lugs 7, the installation stability of the hydraulic filter is ensured, when maintenance and cleaning work needs to be carried out, the fixation of the four groups of positioning pieces 9 and the positioning holes 10 can be cancelled, then the above contents are operated reversely, the filter outer layer 3 and the filter element 6 can be accurately and stably detached from the large-diameter section connecting cover 1, the filter outer layer 3 and the filter element 6 can be cleaned independently, and the convenience and the efficiency of the disassembly and assembly work of the hydraulic filter can be improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that unless otherwise explicitly specified or limited, the terms connected or connected should be interpreted broadly, for example, as a fixed connection or a detachable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (6)

1. The utility model provides a cartridge formula hydraulic filter, includes major diameter section connecting cover (1), its characterized in that: big footpath section connecting cover (1) inboard intermediate position department is inserted and is equipped with filter core (6), outer (3) of filtration are installed in the outside of filter core (6), ring cavity (8) have been seted up to big footpath section connecting cover (1) inboard border position department, four sets of dovetail grooves (4) have been seted up to one side of big footpath section connecting cover (1), one side in the filter core (6) outside is equipped with annular seal cover (2), trapezoidal cardboard (5) with dovetail groove (4) mutual adaptation are installed to the edge of annular seal cover (2) one side, four sets of intermediate position department that trapezoidal cardboard (5) kept away from one side each other installs lug (7), four sets of locating hole (10) have been seted up to the inside of lug (7), four sets of setting element (9) with locating hole (10) screw thread adaptation are installed in the outside of big footpath section connecting cover (1).

2. A cartridge hydraulic filter according to claim 1, wherein: the middle position of the inner side of the large-diameter section connecting cover (1) is provided with an insertion hole, and the insertion hole is matched with the filter element (6) mutually.

3. The cartridge hydraulic filter of claim 1, wherein: the outside of annular sealed cowling (2) is equipped with sealed the pad, and sealed pad and big footpath section connecting cover (1) laminating each other.

4. A cartridge hydraulic filter according to claim 1, wherein: the four groups of trapezoidal grooves (4) and the trapezoidal clamping plates (5) are in clamping fit with each other in a trapezoidal structure, and the four groups of trapezoidal clamping plates (5) are rotatably adjusted under the cavity of the annular cavity (8).

5. A cartridge hydraulic filter according to claim 1, wherein: the four groups of positioning pieces (9) extend into the annular cavity (8) and are in threaded connection with the positioning holes (10), and the four groups of lugs (7) are opposite to the vertical surface of the positioning pieces (9).

6. The cartridge hydraulic filter of claim 1, wherein: an annular empty groove is formed in the middle of the inner side of the annular cavity (8), and the annular empty groove is matched with the bump (7).

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