CN214888107U

CN214888107U - Filter for oil cylinder

Info

Publication number: CN214888107U
Application number: CN202121412382.0U
Authority: CN
Inventors: 蒲敏
Original assignee: Chongqing Ailifu Electronics Co ltd
Current assignee: Chongqing Ailifu Electronics Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-11-26
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a filter for oil cylinder, including sleeve and filter screen, a shaping has spring pressure edge and filter screen pressure edge in the section of thick bamboo of sleeve, the filter screen pressure edge is located spring pressure edge top, four circumference even outer discharge openings have been seted up to the section of thick bamboo wall of sleeve, the filter screen is inlayed above the filter screen pressure edge, the filter screen is indent tube-shape filter bowl structure, the spiral shell dress circle is equipped with to the spiral shell on the upper limb spiral shell in the section of thick bamboo of sleeve, the spiral shell dress circle compresses tightly the upper limb of filter screen, the lower surface welding of spring pressure edge has the jump spring; through becoming original slice formula filter equipment deep net formula, guaranteed effectual logical oil rate, make simultaneously through setting up the jump spring in the bottom of barrel and compare in original column formula filter, conveniently can pop out in the oil pipe by the hydro-cylinder, convenient the change has solved the problem that original slice formula and column formula brought on the whole.

Description

Filter for oil cylinder

Technical Field

The utility model relates to a filter technical field, specific field is a filter for hydro-cylinder.

Background

The oil cylinder is the main part of engineering machinery, the oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion, the structure is simple, the operation is reliable, when the oil cylinder is used for realizing reciprocating motion, a speed reducer can be omitted, no transmission gap exists, the motion is stable, the oil cylinder is widely applied to hydraulic systems of various machines, and the output force of the oil cylinder is in direct proportion to the effective area of a piston and the pressure difference between the two sides of the piston.

The existing hydraulic oil cylinder only meets the requirement that piston movement does work outwards, the medium required for transferring kinetic energy by the oil cylinder is hydraulic oil, the structure of the existing hydraulic oil cylinder does not have the function of filtering impurities in the medium (hydraulic oil), the internal sealing performance of the oil cylinder is damaged due to excessive impurities, and the inner wall of the cylinder body is scratched, so that normal use is influenced. Because current filter is mostly used for the water route circulation or in the gas circuit circulation, because the reason of medium for it is not suitable in being applied to the hydro-cylinder for its filter, simultaneously because the size design of hydro-cylinder oil inlet, when the effective through-hole area of filter is less, can cause the influence to whole hydro-cylinder oil feed and produce oil, for this reason we propose a filter for the hydro-cylinder.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a filter for hydro-cylinder 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 filter for hydro-cylinder, includes sleeve and filter screen, a shaping has spring pressure reason and filter screen pressure reason in the telescopic section of thick bamboo, filter screen pressure reason is located spring pressure reason top, the outer mouth of arranging that four circumferences are even is seted up to telescopic section of thick bamboo wall, the top at filter screen pressure reason is inlayed and is equipped with the filter screen, the filter screen is indent tube-shape filter bowl structure, the reason spiral shell dress circle is equipped with to the spiral shell in the telescopic section of thick bamboo, spiral shell dress circle compresses tightly the filter screen and goes up the reason, the lower surface welding at spring pressure reason has the jump spring.

Preferably, the upper end edge of the sleeve is integrally formed with a top edge, an embedded groove is formed in the upper end face of the top edge, and a sealing ring is clamped in the embedded groove.

Preferably, the sealing ring comprises a ring body, an upper sealing bulge is integrally formed on the upper ring surface of the ring body, and a lower sealing bulge is integrally formed on the lower ring surface of the ring body.

Preferably, the bottom edge of the filter screen is positioned above the outer discharge port.

Preferably, the cylindrical outer wall of the filter screen and the filter screen pressing edge are in a non-contact state, and the pressing ring of the filter screen is attached to the inner wall of the sleeve.

Preferably, the tangent line of the lower edge of the outer discharge port is positioned on the upper surface of the spring pressing edge, and the outer discharge port is a circular port.

Compared with the prior art, the beneficial effects of the utility model are that: through becoming original slice formula filter equipment deep net formula, guaranteed effectual logical oil rate, make simultaneously through setting up the jump spring in the bottom of barrel and compare in original column formula filter, conveniently can pop out in the oil pipe by the hydro-cylinder, convenient the change has solved the problem that original slice formula and column formula brought on the whole.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the front view of the present invention;

fig. 3 is a schematic structural diagram of the sealing ring of the present invention.

In the figure: 1. a sleeve; 2. a filter screen; 3. screwing a ring; 4. a seal ring; 41. a ring body; 42. the upper seal bulges; 43. the lower seal is raised; 5. a top edge; 6. an outer discharge port; 7. pressing edges of the springs; 8. a take-off spring; 9. and (5) pressing edges of the filter screen.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a filter for hydro-cylinder, includes sleeve 1 and filter screen 2, one shaping has spring flange 7 and filter screen flange 9 in the section of thick bamboo of sleeve 1, filter screen flange 9 is located spring flange 7 top, four even outer mouths 6 of arranging of circumference have been seted up to the section of thick bamboo wall of sleeve 1, filter screen flange 9's top is inlayed and is equipped with filter screen 2, filter screen 2 is indent tube-shape filter bowl structure, the reason spiral shell dress circle 3 is equipped with to the spiral shell on the section of thick bamboo of sleeve 1, spiral shell dress circle 3 compresses tightly filter screen 2 on the reason, the lower surface welding of spring flange 7 has jump spring 8.

Sleeve 1 is the basic forming structure of whole device, and through 2 press edge cooperation spiral shell dress circles 3 of filter screen, can carry out effectual fixed mounting to filter screen 2, and filter screen 2 strains the bowl structure through the tube-shape of self, guarantee effectual through area of straining, and spring press edge 7 cooperation jump spring 8, when making the device embedded in with the oil pipe of hydro-cylinder, can unload the effort and pop out, the outer mouth 6 of arranging offered on the sleeve 1, the convenient medium that will filter through filter screen 2 exports sleeve 1.

Particularly, the upper end edge integrated into one piece of sleeve 1 has apical margin 5, the caulking groove has been seted up to the up end of apical margin 5, and sealing washer 4 is equipped with to the caulking groove inside callipers.

The upper end limiting structure of the sleeve 1 is added through the top edge 5, so that a gap is reserved between the sleeve 1 and the oil pipe wall of the oil cylinder, the circulation of a medium is facilitated, and meanwhile, the sealing ring 4 is embedded through the caulking groove, and effective sealing combination is carried out on an external screwed pipeline.

Specifically, the seal ring 4 includes a ring body 41, an upper sealing protrusion 42 is integrally formed on an upper ring surface of the ring body 41, and a lower sealing protrusion 43 is integrally formed on a lower ring surface of the ring body 41.

The ring body 41 is the basic structure of the sealing ring 4, the upper sealing bulge 42 performs combined sealing on an external connecting structure in an extrusion state, and the lower sealing bulge 43 performs effective sealing on the caulking groove in the extrusion state, so that the whole sealing performance is improved.

Specifically, the bottom edge of the filter screen 2 is located above the outer discharge port 6.

Through the design of position difference for can carry out effectual integration water conservancy diversion through the filterable medium of filter screen 2, through sleeve 1, protect filter screen 2 simultaneously, avoid causing the damage.

Particularly, the cylindrical outer wall of the filter screen 2 is in a non-contact state with the filter screen pressing edge 9, and the pressing ring of the filter screen 2 is attached to the inner wall of the sleeve 1.

Through the clearance setting of filter screen 2 and shell for filter screen 2 can carry out effectual water conservancy diversion through the filterable medium of tube-shape wall.

Specifically, the lower edge tangent of the outer discharge port 6 is located on the upper surface of the spring pressing edge 7, and the outer discharge port 6 is a circular port.

The outer row opening 6 is effectively enlarged in caliber, the discharge capacity is guaranteed, and meanwhile the influence of the take-off spring 8 and the spring pressing edge 7 on the outer row opening 6 is avoided.

The working principle is as follows: when the oil cylinder is used, the end of the jump spring 8 is embedded into an oil pipe of the oil cylinder, an external pipeline is screwed, the end head of the external pipeline is enabled to press the top edge 5 and the sealing ring 4, then the upper sealing bulge 42 and the lower sealing bulge 43 on the sealing ring 4 are enabled to deform through pressure, the sealing performance is guaranteed, when a medium flows through the filter screen 2, impurities in the medium are filtered by the filter screen 2, then the flow is guided downwards through a gap between the sleeve 1 and the filter screen, and then the flow is guided out through the outer discharge port 6;

when needing to be changed, demolish the back with the outside pipeline, under the effect of take-off spring 8, pop up the oil pipe of whole device hydro-cylinder, conveniently change.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model is including the conventional connected mode of circuit connection adoption conventional among the prior art, and here detailed description is not again.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a filter for hydro-cylinder, includes sleeve (1) and filter screen (2), its characterized in that: the filter is characterized in that a spring pressing edge (7) and a filter screen pressing edge (9) are formed in the sleeve of the sleeve (1), the filter screen pressing edge (9) is located above the spring pressing edge (7), four outer discharge openings (6) with uniform circumferences are formed in the wall of the sleeve (1), a filter screen (2) is embedded above the filter screen pressing edge (9), the filter screen (2) is of an inwards concave cylindrical filter bowl structure, a spiral installing ring (3) is installed on the upper edge of the sleeve (1) in a spiral mode, the spiral installing ring (3) compresses the upper edge of the filter screen (2), and a jump spring (8) is welded on the lower surface of the spring pressing edge (7).

2. The filter for the oil cylinder according to claim 1, wherein: the upper end edge integrated into one piece of sleeve (1) has top edge (5), the caulking groove has been seted up to the up end of top edge (5), and sealing washer (4) are equipped with to the caulking groove inside callipers.

3. The filter for the oil cylinder as claimed in claim 2, wherein: the sealing ring (4) comprises a ring body (41), an upper sealing bulge (42) is formed on the upper ring surface of the ring body (41) in an integrated mode, and a lower sealing bulge (43) is formed on the lower ring surface of the ring body (41) in an integrated mode.

4. The filter for the oil cylinder according to claim 1, wherein: the bottom edge of the filter screen (2) is positioned above the outer discharge port (6).

5. The filter for the oil cylinder according to claim 1, wherein: the cylindrical outer wall of the filter screen (2) is in a non-contact state with the filter screen pressing edge (9), and the pressing ring of the filter screen (2) is attached to the inner wall of the sleeve (1).

6. The filter for the oil cylinder according to claim 1, wherein: the lower edge tangent line of the outer discharge port (6) is positioned on the upper surface of the spring pressing edge (7), and the outer discharge port (6) is a circular port.