Hydraulic oil cylinder with filtering function

Abstract

The hydraulic oil cylinder with the filtering function comprises a hydraulic oil cylinder body and a hydraulic pump, the top of the left side of the hydraulic oil cylinder body is communicated with an oil conveying pipe, the other end of the oil conveying pipe is communicated with a filtering box, and the top of the surface of the filtering box is in threaded connection with a mounting cover. According to the hydraulic oil cylinder, the filtering box is arranged, a user starts the hydraulic pump to pump hydraulic oil in the hydraulic oil cylinder body into the filtering box through the oil conveying pipe, then the hydraulic oil is filtered through the filtering assembly, and then the filtered hydraulic oil is pumped into the hydraulic pump through the oil inlet pipe; and then the hydraulic pump enables the filtered hydraulic oil to enter the hydraulic oil cylinder body through the connecting pipe to push the piston to generate linear motion, so that the problems that during use, impurities such as water rust, casting sand, welding slag and scrap iron are inevitably mixed into the hydraulic oil, the hydraulic elements are abraded and blocked by the impurities in the circulation process of the hydraulic oil, and the service life of the hydraulic oil cylinder is prolonged are solved. And a system fault is further caused.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic oil cylinder technical field, concretely is a kind of hydraulic oil cylinder with filtering function. BACKGROUND

[0002] With the development of science and technology and the progress of the times, hydraulic cylinder is the hydraulic energy conversion into mechanical energy, do linear reciprocating motion or swing motion hydraulic actuator, it is simple in structure, reliable in operation, when it is used to realize reciprocating motion, can be exempted from speed reducer, and there is no transmission gap, movement is stable, therefore it is widely used in the hydraulic system of various machines

[0003] The existing hydraulic oil cylinder uses, impurities such as water rust, cast sand, welding slag, iron filings, etc. are inevitably mixed in hydraulic oil, and the impurities can cause wear and blockage to hydraulic components during the circulation of hydraulic oil, thereby causing system failure, and the system failure needs frequent maintenance and replacement of components, which not only increases the maintenance cost, but also affects the production efficiency. UTILITY MODEL CONTENTS

[0004] To solve the problems in the above background art, the utility model aims to provide a hydraulic oil cylinder with filtering function, which has the advantages of filtering and cleaning, solves the problem that impurities such as water rust, cast sand, welding slag and iron filings are inevitably mixed in hydraulic oil during use, and the impurities can cause wear and blockage to hydraulic components during the circulation of hydraulic oil, thereby causing system failure, and the system failure needs frequent maintenance and replacement of components, which not only increases the maintenance cost, but also affects the production efficiency.

[0005] To achieve the above object, the utility model provides the following technical scheme: a hydraulic oil cylinder with filtering function, comprising a hydraulic oil cylinder body and a hydraulic pump, the top of the left side of the hydraulic oil cylinder body is communicated with an oil delivery pipe, the other end of the oil delivery pipe is communicated with a filter box, the top surface of the filter box is threadedly connected with a mounting cover, the top of the mounting cover is communicated with an oil inlet pipe, the other end of the oil inlet pipe is communicated with the left side of the top of the hydraulic pump, the right side of the top of the hydraulic pump is connected with a connecting pipe, the other end of the connecting pipe is communicated with the bottom of the left side of the hydraulic oil cylinder body, and the bottom of the mounting cover is fixedly connected with a filter assembly.

[0006] As the utility model is preferred, the filter assembly comprises a mounting seat, the mounting seat is fixedly connected to the bottom of the mounting cover, the bottom of the mounting seat is provided with a filter core, and the filter core is clamped and fixed with the mounting seat.

[0007] As the utility model is preferred, the bottom of the filter box is provided with a clamping groove, and the clamping groove is internally clamped and fixed with a filter screen.

[0008] As the utility model is preferred, the bottom of the filter core is fixedly connected with a threaded rod, the bottom of the filter core is provided with a magnetic ring, the magnetic ring is attached to the bottom of the filter core, the bottom of the magnetic ring is provided with a nut, and the nut is threadedly connected with the threaded rod.

[0009] As the utility model is preferred, the top of the inner wall of the mounting cover is inlaid with a rubber ring.

[0010] As the utility model is preferred, the surface of the mounting cover is provided with anti-skid grooves.

[0011] As the utility model is preferred, the filter core is made of glass fiber material.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1、 the utility model discloses a filter box is set up, and the user starts the hydraulic pump and is with oil pipe and is drawn into the filter box in the hydraulic oil cylinder body inside hydraulic oil, and then the filter assembly is filtered to the hydraulic oil, and then the oil pipe is drawn into the hydraulic pump in the hydraulic oil of filtering completion, and then the hydraulic pump makes the hydraulic oil of filtering completion enter the hydraulic oil cylinder body in the connecting pipe, and the linear motion is generated to the piston, when using, the hydraulic oil is inevitably mixed with impurities, such as water rust, cast sand, welding slag, iron filings, etc., the impurities can cause wear and tear and blockage to the hydraulic element in the circulation process of the hydraulic oil, and then the system failure is caused, and the system failure needs frequent maintenance and element replacement, which not only increases the maintenance cost, but also affects the production efficiency, and the effect of filtering and cleaning is achieved.

[0014] 2、 the utility model discloses a filter assembly, and the mounting seat and the mounting cover are fixed, and then the filter core is clamped and installed with the mounting seat, and the user pushes upwards and rotates the filter core to make it separate from the mounting seat, so that it is convenient to replace or clean, and the filter core can effectively filter out small particles and colloidal substances in the working medium, ensure the cleanliness of the hydraulic oil, reduce the failure caused by impurities, thereby prolonging the service life of the hydraulic element.

[0015] 3、 the utility model discloses a clamping groove and a filter screen, and the filter screen is clamped and installed with the clamping groove of the filter box, and the filter screen can effectively intercept these larger solid particles, reduce the pressure for the filter core, and improve the service life of the filter core. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structure schematic view of the utility model;

[0017] Fig. 2 It is a structure schematic view of the utility model;

[0018] Fig. 3 It is a structure schematic view of the utility new.

[0019] In the drawing: 1, hydraulic oil cylinder body; 2, hydraulic pump; 3, oil delivery pipe; 4, filter box; 5, installation cover; 6, oil inlet pipe; 7, connecting pipe; 8, filter assembly; 81, mounting seat; 82, filter core; 9, clamping groove; 10, filter screen; 11, threaded rod; 12, magnetic ring; 13, nut; 14, rubber ring; 15, anti-skid groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] As Figs. 1 to 3 Indicated, the utility model provides a kind of hydraulic oil cylinder with filtering function, including hydraulic oil cylinder body 1 and hydraulic pump 2, the top of the left side of hydraulic oil cylinder body 1 is communicated with oil delivery pipe 3, another end of oil delivery pipe 3 is communicated with filter box 4, the top of the surface of filter box 4 is screw-connected with installation cover 5, the top of installation cover 5 is communicated with oil inlet pipe 6, another end of oil inlet pipe 6 is communicated with the left side of the top of hydraulic pump 2, the right side of the top of hydraulic pump 2 is connected with connecting pipe 7, another end of connecting pipe 7 is communicated with the bottom of the left side of hydraulic oil cylinder body 1, the bottom of installation cover 5 is fixedly connected with filter assembly 8.

[0022] Reference Fig. 3 , filter assembly 8 includes mounting seat 81, and mounting seat 81 is fixedly connected at the bottom of installation cover 5, and the bottom of mounting seat 81 is provided with filter core 82, and filter core 82 is fixedly connected with mounting seat 81.

[0023] As a technical optimization scheme of the utility model, through setting filter assembly 8, make mounting seat 81 and mounting cover 5 fixed, make filter core 82 and mounting seat 81 joint installation again, user pushes up and rotates filter core 82 and makes it separate from mounting seat 81, it is convenient to replace or clean, and filter core 82 can effectively filter out small particles and colloidal substance in working medium, ensure the cleanliness of hydraulic oil, reduce the failure caused by impurities, thereby prolong the service life of hydraulic element.

[0024] Reference Fig. 3 The bottom of the filter box 4 is provided with a clamping groove 9, and the clamping groove 9 is fixedly connected with a filter screen 10.

[0025] As a technical optimization scheme of the utility model, through setting clamping groove 9 and filter screen 10, filter screen 10 and clamping groove 9 of filter box 4 are clamped and installed, and the filter screen 10 can effectively intercept the larger solid particles, reduce the pressure for filter core 82, and improve the service life of filter core 82.

[0026] Reference Fig. 2 The bottom of the filter core 82 is fixedly connected with a threaded rod 11, and the bottom of the filter core 82 is provided with a magnetic ring 12, the magnetic ring 12 is attached to the bottom of the filter core 82, the bottom of the magnetic ring 12 is provided with a nut 13, and the nut 13 is threadedly connected with the threaded rod 11.

[0027] As a technical optimization scheme of the utility model, through setting threaded rod 11, magnetic ring 12 and nut 13, threaded rod 11 and filter core 82 are fixed, magnetic ring 12 is attached to filter core 82, and nut 13 is threadedly connected with threaded rod 11, magnetic ring 12 and filter core 82 are fixed by nut 13, so that they will not shake, metal powder is adsorbed by the magnetic force of magnetic ring 12, which helps to reduce the wear of hydraulic oil cylinder and improve the service life.

[0028] Reference Fig. 3 The top of the inner wall of the mounting cover 5 is embedded with a rubber ring 14.

[0029] As a technical optimization scheme of the utility model, through setting rubber ring 14, rubber ring 14 is embedded in the inside of mounting cover 5, the gap between mounting cover 5 and filter box 4 is filled by rubber ring 14, so that leakage does not occur during use, and the stability during use is improved.

[0030] Reference Fig. 2 The surface of the mounting cover 5 is provided with anti-skid grooves 15.

[0031] As a kind of technical optimization scheme of the utility model, by setting anti-skid groove 15, make anti-skid groove 15 open in the surface of mounting cover 5, increase the friction between the hand of user and mounting cover 5 by anti-skid groove 15, so that it will not appear the condition of dropping hand when rotating.

[0032] Reference Fig. 3 The filter core 82 is made of glass fiber.

[0033] As a kind of technical optimization scheme of the utility model, by setting filter core 82, the material of the filter core 82 of the equipment is glass fiber, which can effectively filter out small particles and protect hydraulic components. Due to its high strength and wear resistance, the service life is guaranteed, and the maintenance cost is reduced.

[0034] The working principle and use process of the utility model are as follows: when in use, the user starts the hydraulic pump 2 to draw the hydraulic oil in the hydraulic oil cylinder body 1 into the filter box 4 through the oil delivery pipe 3, first intercepts larger solid particles through the filter screen 10, then magnetically adsorbs metal powder through the magnetic ring 12, and finally filters the hydraulic oil through the filter core 82 to ensure the cleanliness of the hydraulic oil. The filtered hydraulic oil is then drawn into the hydraulic pump 2 through the oil inlet pipe 6, and then the hydraulic pump 2 makes the filtered hydraulic oil enter the hydraulic oil cylinder body 1 through the connecting pipe 7 to push the piston to produce linear motion. When replacement or cleaning is needed, the equipment is stopped and the mounting cover 5 is opened by rotating, the user pushes and rotates the filter core 82 upward to separate it from the mounting seat 81, which facilitates cleaning of the filter core 82. The magnetic block is then removed by rotating the nut 13 at the bottom, and the metal powder on the surface of the magnetic block is cleaned, making the maintenance work more easy and efficient.

[0035] In summary: the hydraulic oil cylinder with filtering function, by setting filter box 4, the user starts the hydraulic pump 2 to draw the hydraulic oil in the hydraulic oil cylinder body 1 into the filter box 4 through the oil delivery pipe 3, then filters the hydraulic oil through the filter assembly 8, and then draws the filtered hydraulic oil into the hydraulic pump 2 through the oil inlet pipe 6. Then the hydraulic pump 2 makes the filtered hydraulic oil enter the hydraulic oil cylinder body 1 through the connecting pipe 7 to push the piston to produce linear motion. When in use, impurities such as water rust, cast sand, welding slag and iron filings will inevitably mix in the hydraulic oil. The impurities will cause wear and blockage to the hydraulic components during the circulation of the hydraulic oil, which will cause system failure. Frequent maintenance and replacement of components are required, which not only increases the maintenance cost, but also affects the production efficiency.

[0036] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A hydraulic cylinder with filtering function, comprising a hydraulic cylinder body (1) and a hydraulic pump (2), characterized in that: The top of the left side of the hydraulic oil cylinder body (1) is communicated with an oil delivery pipe (3), the other end of the oil delivery pipe (3) is communicated with a filter box (4), the top surface of the filter box (4) is threadedly connected with a mounting cover (5), the top of the mounting cover (5) is communicated with an oil inlet pipe (6), the other end of the oil inlet pipe (6) is communicated with the left side of the top of the hydraulic pump (2), the right side of the top of the hydraulic pump (2) is connected with a connecting pipe (7), the other end of the connecting pipe (7) is communicated with the bottom of the left side of the hydraulic oil cylinder body (1), and the bottom of the mounting cover (5) is fixedly connected with a filter assembly (8).

2. The hydraulic cylinder with filtering function according to claim 1, characterized in that: The filter assembly (8) comprises a mounting seat (81), the mounting seat (81) is fixedly connected to the bottom of the mounting cover (5), and the bottom of the mounting seat (81) is provided with a filter core (82).

3. The hydraulic cylinder with filtering function according to claim 1, characterized in that: The bottom of the filter box (4) is provided with a clamping groove (9), and the clamping groove (9) is internally clamped and fixed with a filter screen (10).

4. The hydraulic cylinder with filtering function according to claim 2, characterized in that: The bottom of the filter core (82) is fixedly connected with a threaded rod (11), the bottom of the filter core (82) is provided with a magnetic ring (12), the magnetic ring (12) is attached to the bottom of the filter core (82), the bottom of the magnetic ring (12) is provided with a nut (13), and the nut (13) is threadedly connected with the threaded rod (11).

5. The hydraulic cylinder with filtering function according to claim 1, characterized in that: The top of the inner wall of the mounting cover (5) is inlaid with a rubber ring (14).

6. The hydraulic cylinder with filtering function according to claim 1, characterized in that: The surface of the mounting cover (5) is provided with an anti-skid groove (15).

7. The hydraulic cylinder with filtering function according to claim 2, characterized in that: The filter core (82) is made of glass fiber material.

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