CN214837537U

CN214837537U - Filter element for hydraulic system

Info

Publication number: CN214837537U
Application number: CN202121418782.2U
Authority: CN
Inventors: 张小龙; 肖湘宁; 乔文海
Original assignee: Haifutaike Hydraulic Technology Shanghai Co ltd
Current assignee: Haifutaike Hydraulic Technology Shanghai Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-11-23
Anticipated expiration: 2031-06-24

Abstract

The utility model belongs to the technical field of filter equipment and specifically relates to a filter core for hydraulic system is related to, it includes filter core body and an installation section of thick bamboo, has placed the slider in the installation section of thick bamboo, is equipped with the pressure spring between the top of slider and installation section of thick bamboo inner chamber, and the connection can be dismantled on the installation section of thick bamboo to the filter core body, and the installation section of thick bamboo is connected in the oil tank. The application has the advantage of reducing the possibility that the installation cylinder is jointly replaced.

Description

Filter element for hydraulic system

Technical Field

The utility model belongs to the technical field of filter equipment and specifically relates to a filter core for hydraulic system is related to.

Background

The filter element is a filtering device, and can be applied to an oil circuit of a hydraulic system to remove metal powder and other mechanical impurities generated by abrasion of various elements, so that the oil circuit is kept clean, and the service life of the hydraulic system is further prolonged.

A filter core for hydraulic circuit among the correlation technique, refer to fig. 1, including filter core body 1, the bottom fixedly connected with installation section of thick bamboo 2 of filter core body 1 has placed slider 3 in the installation section of thick bamboo 2, is equipped with pressure spring 4 between the top of the 2 inner chambers of slider 3 and installation section of thick bamboo, and slider 3 cooperates with the nose bar of oil tank bottom.

Its filter effect can reduce gradually after the filter core uses for a long time, thereby operating personnel need realize dismantling protruding pole and slider and change, then because the installation section of thick bamboo is fixed connection this internally at the filter core, consequently the installation section of thick bamboo often can be changed by taking along, but this waste that has just led to the fact the installation section of thick bamboo has had obvious not enough.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility that the installation barrel is connected with and replaced, the application provides a filter element for a hydraulic system.

The application provides a filter core for hydraulic system adopts following technical scheme:

the utility model provides a filter core for hydraulic system, includes filter core body and an installation section of thick bamboo, the slider has been placed in the installation section of thick bamboo, be equipped with the pressure spring between the top of slider and installation section of thick bamboo inner chamber, the connection can be dismantled on an installation section of thick bamboo to the filter core body, an installation section of thick bamboo is connected in the oil tank.

Through adopting above-mentioned technical scheme, can dismantle the connection on installation section of thick bamboo with the filter core body to this operating personnel can realize the split to installation section of thick bamboo and filter core body, and the installation section of thick bamboo need not to be changed jointly.

Optionally, filter core body slip cap establishes to the installation section of thick bamboo on, the bottom of installation section of thick bamboo lateral wall is connected with the fixed knot that is "C" type, fixed open-ended one side of detaining is towards the axis of installation section of thick bamboo, be equipped with the solid fixed cylinder in the oil tank, the installation section of thick bamboo slides and rotates the cover and establishes to the solid fixed cylinder on, be equipped with the buckle that is used for supplying the fixed knot joint on the lateral wall of solid fixed cylinder, it has the breach that is the arc type to open on the buckle.

Through adopting above-mentioned technical scheme, during the split, operating personnel at first presses filter core body downwards, and filter core body drives installation section of thick bamboo downstream, and the installation section of thick bamboo drives the fixed breach of passing on the buckle, then rotates filter core body, and filter core body will fix through the installation section of thick bamboo and detain and rotate to the buckle on, has great interval between the top of buckle and oil tank inner chamber this moment, supplies filter core body upward movement and takes off from the installation section of thick bamboo.

Optionally, the fixing buckle is arranged at a chamfer angle relative to the circumferential side wall of the retaining ring.

Through adopting above-mentioned technical scheme, the setting up of chamfer makes the rotation that the fixed knot can be more smooth and easy to the buckle on.

Optionally, a limiting groove is formed in the top of the mounting cylinder, and a limiting strip used for being inserted into the limiting groove is fixedly connected to the inside of the filter element body.

Through adopting above-mentioned technical scheme, the grafting cooperation of spacing groove and spacing strip is favorable to reducing the possibility that takes place to skid between installation section of thick bamboo and the filter core body.

Optionally, a limiting block is fixedly connected to the outer side wall of the fixed cylinder, and the limiting block is located under the notch.

Through adopting above-mentioned technical scheme, the stopper realizes injecing the motion lowest position of fixed knot to this when fixed knot moves to the lowest, fixed knot just can rotate to the buckle on.

Optionally, two handles are symmetrically arranged on the outer side wall of the filter element body in the circumferential direction.

Through adopting above-mentioned technical scheme, the setting up of handle makes the pulling filter core body that operating personnel can be more laborsaving move down.

Optionally, one side of the limiting block relative to the circumferential direction of the fixed cylinder is connected with a limiting piece, and the limiting piece is flush with one side of the notch in the arc direction.

Through adopting above-mentioned technical scheme, setting up of spacing piece has the positioning action to fixed the knot, when fixed knot contradicts spacing piece, fixed knot just is just to the breach to this fixed knot can be smooth and easy pass the breach.

Optionally, the retaining ring is near the bottom of the fixed cylinder.

Through adopting above-mentioned technical scheme, when the filter core body pushed down the installation section of thick bamboo, the installation section of thick bamboo can inject in lower position to guarantee to have sufficient distance between the top of installation section of thick bamboo and oil tank inner chamber and supply operating personnel to change the filter core body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the filter element body is detachably connected to the mounting cylinder, so that an operator can split the mounting cylinder and the filter element body, and the mounting cylinder does not need to be jointly replaced;

2. when the filter core is disassembled, an operator firstly presses the filter core body downwards, the filter core body drives the installation cylinder to move downwards, the installation cylinder drives the fixing buckle to pass through the notch on the retaining ring, then the filter core body is rotated, the filter core body rotates the fixing buckle to the retaining ring through the installation cylinder, a larger space is arranged between the top of the retaining ring and the top of the inner cavity of the oil tank at the moment, and the filter core body moves upwards and is taken down from the installation cylinder.

Drawings

Fig. 1 is a sectional view for embodying the related art;

FIG. 2 is a schematic structural diagram for embodying the present application;

FIG. 3 is a sectional view showing the connection relationship among the mounting cylinder, the fixing cylinder, the snap ring and the fixing buckle in the present application;

fig. 4 is a schematic structural diagram for showing a connection relationship among the mounting cylinder, the fixing cylinder, the retaining ring and the retaining buckle in the present application.

Description of reference numerals: 1. a filter element body; 2. mounting the cylinder; 21. a limiting groove; 3. a slider; 4. a pressure spring; 5. a fixing buckle; 6. a fixed cylinder; 7. a retaining ring; 71. a notch; 8. a limiting strip; 9. a handle; 10. a limiting sheet; 11. and a limiting block.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses filter core for hydraulic system. Referring to fig. 2 and 3, the filter element for the hydraulic system comprises a fixed cylinder 6 fixedly connected in an oil tank, wherein the fixed cylinder 6 is vertically arranged, and the top and the bottom of the fixed cylinder are both open.

Referring to fig. 2 and 3, the fixed cylinder 6 slides and rotates the cover and is equipped with an installation cylinder 2, a pressure spring 4 and a sliding block 3 are also placed in the installation cylinder 2, the sliding block 3 is located above the fixed cylinder 6 and is tightly attached to the inner side wall of the installation cylinder 2, and the pressure spring 4 is supported between the top wall of the inner cavity of the sliding block 3 and the top wall of the inner cavity of the installation cylinder 2.

Referring to fig. 2 and 3, filter core body 1 slip cap is established to an installation section of thick bamboo 2 to this has realized dismantling between filter core body 1 and the installation section of thick bamboo 2 and is connected, and when operating personnel changed filter core body 1, realized the operation to filter core body 1 and an installation section of thick bamboo 2, has reduced installation section of thick bamboo 2 and has taken the possibility of being changed.

Referring to fig. 3 and 4, a fixing buckle 5 in a C shape is fixedly connected to the bottom end of the outer side wall of the mounting cylinder 2, and the open side of the fixing buckle 5 faces the axis of the mounting cylinder 2.

The outer side wall of the fixed cylinder 6 is fixedly connected with a ring-shaped snap ring 7, an arc-shaped gap 71 is formed in the snap ring 7, and the snap ring 7 is buckled on the snap ring 7 through the gap 71.

Referring to fig. 3 and 4, when the filter element is normally used, the installation cylinder 2 drives the filter element body 1 to abut against the top of the inner cavity of the oil tank under the action of the pressure spring 4.

During the change, manual filter core body 1 that filters downwards of operating personnel, filter core body 1 drive installation section of thick bamboo 2 downstream, and fixed 5 downstream detains rotate fixed knot 5 to make fixed knot 5 rotate to the buckle 7 on.

At this moment, the installation cylinder 2 and the top of the inner cavity of the oil tank are spaced enough, and an operator pulls the filter element body 1 upwards in the reverse direction, so that the filter element body 1 is detached from the installation cylinder 2.

Referring to fig. 3 and 4, an operator sets a new filter element body 1 on the installation cylinder 2, the filter element body 1 drives the installation cylinder 2 to rotate through friction, the installation cylinder 2 is separated from the retaining ring 7 through the notch 71, and the pressure spring 4 can push the filter element body 1 to abut against the top of the inner cavity of the oil tank again.

Referring to fig. 2 and 3, two handles 9 are fixedly connected to the outer side wall of the filter element body 1, the two handles 9 are circumferentially and symmetrically arranged relative to the axis of the filter element body 1, and the arrangement of the handles 9 enables an operator to press down the filter element body 1 more laborsavingly.

Referring to fig. 3 and 4, the top surface of the mounting cylinder 2 is provided with a limiting groove 21, a limiting strip 8 inserted into the limiting groove 21 is fixedly connected in the filter element body 1, and the cross sections of the limiting strip 8 and the limiting groove 21 are arranged in a cross shape.

The inserting and connecting cooperation of the limiting strip 8 and the limiting groove 21 is beneficial to reducing the possibility that the filter element body 1 slips from the mounting cylinder 2, so that the filter element body 1 cannot drive the fixing buckle 5 to fall off from the retaining ring 7.

Referring to fig. 3 and 4, the wall thickness of each position on the fixing buckle 5 is equal, the outer side wall of the fixing cylinder 6 is welded with the limiting block 11, the limiting block 11 is located under the notch 71, and the distance between the upper surface of the limiting block 11 and the lower surface of the retaining ring 7 is just equal to the wall thickness of the fixing buckle 5.

Referring to fig. 3 and 4, when the bottom of the fixing buckle 5 abuts against the limiting block 11, the operator rotates the filter element body 1, and the fixing buckle 5 can just rotate to the retaining ring 7.

Referring to fig. 3 and 4, the fixing buckle 5 is chamfered with respect to the circumferential side wall of the retaining ring 7, and the chamfered arrangement enables the fixing buckle 5 to be smoothly rotated onto the retaining ring 7.

Referring to fig. 3 and 4, a limiting piece 10 is welded on one side of the limiting block 11 relative to the circumferential direction of the fixed cylinder 6, and the limiting piece 10 is flush with one side of the notch 71 in the arc direction.

When the fixing buckle 5 butts against the limiting sheet 10, the fixing buckle 5 is just positioned under the notch 71, so that under the action of the pressure spring 4, the fixing buckle 5 can just penetrate through the notch 71, and the installation of the new filter element body 1 is facilitated.

Referring to fig. 3 and 4, the retaining ring 7 is close to the bottom of the fixed cylinder 6, so that when the cartridge body 1 presses the mounting cylinder 2 downward, the mounting cylinder 2 can be limited to a lower position, thereby ensuring that there is a sufficient distance between the mounting cylinder 2 and the top of the tank cavity for an operator to replace the cartridge body 1.

The implementation principle of a filter core for hydraulic system of the embodiment of this application does: when the time of tearing open, operating personnel passes through handle 9 and at first presses filter core body 1 downwards, filter core body 1 drives installation section of thick bamboo 2 downstream, installation section of thick bamboo 2 drives fixed 5 of detaining and passes breach 71 on the buckle 7 until fixed 5 of detaining contradicts on stopper 11, then rotates filter core body 1, filter core body 1 will fix through installation section of thick bamboo 2 and detain 5 and rotate to buckle 7 on, it supplies filter core body 1 upward movement and take off from installation section of thick bamboo 2 to have great interval between the top of buckle 7 and oil tank inner chamber this moment. After changing new filter core body 1, operating personnel rotates filter core body 1, and filter core body 1 drives fixed 5 of detaining and rotates to contradicting on spacing piece 10, and filter core body 1 is located breach 71 this moment, and under the effect of pressure spring 4, 2 upward movements of installation section of thick bamboo are contradicted new filter core body 1 at the top of oil tank inner chamber.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a filter core for hydraulic system, includes filter core body (1) and installation section of thick bamboo (2), slider (3) have been placed in installation section of thick bamboo (2), be equipped with pressure spring (4), its characterized in that between the top of slider (3) and installation section of thick bamboo (2) inner chamber: the filter element body (1) is detachably connected to the installation cylinder (2), and the installation cylinder (2) is connected to the oil tank.

2. The filter cartridge for a hydraulic system of claim 1, wherein: the utility model discloses a filter core, including filter core body (1), installation section of thick bamboo (2), the bottom of installation section of thick bamboo (2) lateral wall is connected with the fixed knot (5) that are "C" type, the axis of fixed knot (5) open-ended one side orientation installation section of thick bamboo (2) is detained, be equipped with solid fixed cylinder (6) in the oil tank, installation section of thick bamboo (2) slide and rotate the cover and establish to gu fixed cylinder (6), be equipped with buckle (7) that are used for supplying fixed knot (5) joint on the lateral wall of gu fixed cylinder (6), it has breach (71) that are the camber to open on buckle (7).

3. The filter cartridge for a hydraulic system of claim 2, wherein: the fixing buckle (5) is arranged in a chamfering mode relative to the circumferential side wall of the retaining ring (7).

4. The filter cartridge for a hydraulic system of claim 1, wherein: the top of the mounting cylinder (2) is provided with a limiting groove (21), and the filter element body (1) is internally and fixedly connected with a limiting strip (8) which is inserted into the limiting groove (21).

5. The filter cartridge for a hydraulic system of claim 2, wherein: the outer side wall of the fixed cylinder (6) is fixedly connected with a limiting block (11), and the limiting block (11) is located under the notch (71).

6. The filter cartridge for a hydraulic system of claim 1, wherein: two handles (9) are symmetrically arranged on the outer side wall of the filter element body (1) in the circumferential direction.

7. The filter cartridge for a hydraulic system of claim 5, wherein: one side of stopper (11) relative fixed cylinder (6) circumference is connected with spacing piece (10), spacing piece (10) flush with one side of breach (71) arc to.

8. The filter cartridge for a hydraulic system of claim 2, wherein: the retaining ring (7) is close to the bottom of the fixed cylinder (6).