Oil pipeline filter with filter element convenient to replace

Abstract

The oil pipeline filter comprises an oil inlet pipe, a flow dividing pipe, an oil storage pipe and an oil outlet pipe, and further comprises a flow guiding mechanism, the flow guiding mechanism comprises an upper shell and a lower shell, and an oil inlet and an oil outlet are formed in the two ends of the outer surface of the upper shell respectively; the inlet end of the oil inlet is connected with the outlet end of the first throttling valve, the flow guiding mechanism further comprises a switching filtering assembly, and the switching filtering assembly comprises a driving shaft arranged in the middle of the upper shell and oil cylinders located at the two ends of the interior of the upper shell. A flow guide mechanism is arranged between a flow dividing pipe and an oil storage pipe, a worm gear and a driving shaft are driven by a rotating worm to rotate, and an oil barrel is driven by a switching rod to be switched, so that on one hand, continuous conveying of oil can be guaranteed, and on the other hand, a worker can conveniently disassemble and treat a blocked net filter element; by means of the mode that oil liquid is conveyed in a split-flow mode, continuous conveying of the oil liquid can be guaranteed while one conveying channel is closed.

Description

Technical Field

[0001] The utility model belongs to the technical field of filters, and particularly relates to an oil pipeline filter convenient for replacing a filter element. Background Art

[0002] An oil pipeline is composed of an oil pipe and its accessories, and is equipped with corresponding oil pump units according to the requirements of the technological process, and is designed and installed into a complete pipeline system to complete the tasks of oil unloading and transfer.

[0003] The existing oil pipeline filters generally use the mesh filter element inside to intercept impurities doped in the oil. However, the existing mesh filter element is generally fixed on the inner wall of the oil pipeline filter by bolts. If it becomes blocked, it is not convenient to replace it in time, which is likely to affect the continuous transportation of the oil. Therefore, an oil pipeline filter convenient for replacing a filter element is provided. Content of the Utility Model

[0004] The purpose of the utility model is to provide an oil pipeline filter convenient for replacing a filter element to solve the technical problems raised in the background art.

[0005] To achieve the above purpose, the specific technical solution of the utility model is as follows: An oil pipeline filter convenient for replacing a filter element includes an inlet oil pipe, a shunt pipe, a storage oil pipe, and an outlet oil pipe. The outlet end of the inlet oil pipe is connected to the inlet end of the shunt pipe. It further includes: two symmetrically distributed diversion mechanisms. The diversion mechanism includes an upper shell and a lower shell. The two ends of the outer surface of the upper shell are respectively provided with an oil inlet and an oil outlet. The inlet end of the oil inlet is connected to the outlet end of the first throttle valve. The outlet end of the oil outlet is connected to the inlet end of the storage oil pipe. The diversion mechanism further includes a switching filter component. The switching filter component includes a driving shaft arranged in the middle of the upper shell and oil cylinders located at both ends inside the upper shell. The driving shaft is rotatably arranged with the upper shell through a bearing.

[0006] Preferably, the shunt pipe is designed in a Y-shaped structure. Two first throttle valves are respectively installed at both ends of the outer surface of the bottom of the shunt pipe. The outlet oil pipe is designed in a T-shaped structure. Two second throttle valves are respectively installed at both ends of the outer surface of the outlet oil pipe. Two oil delivery ports are respectively arranged on both sides of the outer surface of the bottom of the outlet oil pipe, and a one-way valve is installed at the inlet end of the oil delivery port.

[0007] Preferably, the outlet end of the storage oil pipe is connected to the inlet end of the second throttle valve. An air inlet is arranged on the outer surface of the top of the storage oil pipe, and an air inlet valve is installed at the inlet end of the air inlet. A drain port is arranged on the outer surface of the bottom of the storage oil pipe, and a drain valve is installed at the outlet end of the drain port.

[0008] Preferably, a worm gear is fixedly installed on the outer surface of the drive shaft. The switching and filtering assembly further includes a bearing seat fixedly installed on the outer surface of the upper housing and located on one side of the worm gear. A worm is rotatably installed inside the bearing seat through a bearing. The worm is meshed with the worm gear. The outer end of the worm is connected and assembled with the output end of an external drive motor through a coupling. The drive motor is a servo motor.

[0009] Preferably, the oil cylinder is connected to the drive shaft through a transfer rod. Two second O-rings are respectively fixed at both ends of the outer surface of the oil cylinder. Two mesh filters with different mesh sizes are respectively arranged at both ends of the inner surface of the oil cylinder. The mesh filters are slidably arranged with the oil cylinder. The two mesh filters are connected through a connecting rod. A plurality of filter element supports are fixedly arranged on the inner surface of the oil cylinder at equal intervals in a circular shape. A first O-ring is arranged on the inner wall of the outer surface of the mesh filter.

[0010] Preferably, two disassembly openings are respectively formed through both sides of the outer surface of the upper housing, and the disassembly openings correspond to the positions of the oil cylinders. The switching and filtering assembly further includes a fixing plate fixedly arranged on the outer surface of the upper housing and located on one side of the oil outlet. The fixing plate corresponds to the position of the oil cylinder. A push-pull rod is slidably arranged in the middle of the fixing plate, and a fork head is fixedly arranged in the middle of one end of the outer surface of the push-pull rod and located on the mesh filter.

[0011] Preferably, it further includes an oil transfer pump, an oil transfer pipe, and an oil suction pipe. One end of the oil suction pipe is connected to the inlet end of the oil transfer pump, and the other end of the oil suction pipe is connected to the outlet end of the drain valve. One end of the oil transfer pipe is connected to the outlet end of the oil transfer pump, and the other end of the oil transfer pipe is connected to the inlet end of the check valve.

[0012] The oil pipeline filter of the present utility model that is convenient for replacing the filter element has the following advantages:

[0013] 1. By arranging a diversion mechanism between the shunt pipe and the oil storage pipe in the present utility model, during use, the rotating worm drives the worm gear and the drive shaft to rotate, and drives the oil cylinder to switch through the transfer rod. On the one hand, it can ensure the continuous delivery of the oil liquid, and on the other hand, it is convenient for the staff to disassemble and process the blocked mesh filter.

[0014] 2. By using the method of diverting and delivering the oil liquid, while closing one of the delivery channels, it can also ensure the continuous delivery of the oil liquid. In addition, the oil transfer pump, the oil transfer pipe, and the oil suction pipe are used to evacuate the remaining oil liquid in the oil storage pipe, which is convenient for the staff to carry out the subsequent disassembly work. Description of the Drawings

[0015] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the accompanying drawings required for the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is an exploded view of the partial structure of the present utility model;

[0018] Figure 3 is a partial plan sectional view of the present utility model.

[0019] Reference numerals in the figures: 100, inlet oil pipe; 200, shunt pipe; 201, first throttle valve; 300, upper housing; 301, oil inlet; 302, oil outlet; 400, switching and filtering assembly; 401, drive shaft; 402, mesh filter element; 403, fork head; 404, oil cylinder; 405, fixing plate; 406, push-pull rod; 407, drive motor; 408, worm; 409, bearing seat; 410, worm gear; 411, adapter rod; 412, first O-ring; 413, second O-ring; 414, connecting rod; 415, filter element support; 500, oil transfer pump; 501, oil transfer pipe; 502, suction pipe; 600, oil storage pipe; 601, intake valve; 602, intake port; 603, oil drain port; 604, oil drain valve; 700, outlet oil pipe; 701, second throttle valve; 702, oil transfer port; 703, check valve; 800, lower housing. Detailed Embodiments

[0020] In the following text, only some exemplary embodiments are briefly described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than restrictive.

[0021] In the description of the embodiments of the present utility model, it should be understood that the orientation or positional relationships indicated by terms such as "length", "vertical", "horizontal", "top", "bottom", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the embodiments of the present utility model.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the embodiments of the present utility model, "a plurality of" means two or more, unless otherwise specifically defined.

[0023] In the embodiments of the present utility model, unless otherwise clearly specified and defined, terms such as "installed", "connected", "coupled", "fixed", etc. shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0024] The following disclosure provides many different embodiments or examples for implementing different structures of the embodiments of the present utility model. To simplify the disclosure of the embodiments of the present utility model, components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model may repeat reference numerals and / or reference letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] To better understand the purpose, structure, and function of the present utility model, the following further describes in detail an oil pipeline filter for facilitating filter element replacement of the present utility model with reference to the accompanying drawings.

[0026] As Figures 1-3As shown in the figure, a kind of oil pipeline filter which is convenient for replacing the filter element of the utility model includes an inlet oil pipe 100, a shunt pipe 200, an oil storage pipe 600 and an outlet oil pipe 700. The outlet end of the inlet oil pipe 100 is connected to the inlet end of the shunt pipe 200. The shunt pipe 200 is designed in a Y-shaped structure. Two first throttle valves 201 are respectively installed at both ends of the outer surface of the bottom of the shunt pipe 200. The outlet oil pipe 700 corresponds to the position of the shunt pipe 200. The outlet oil pipe 700 is designed in a T-shaped structure. Two second throttle valves 701 are respectively installed at both ends of the outer surface of the outlet oil pipe 700. Two oil outlets 702 are respectively arranged on both sides of the outer surface of the bottom of the outlet oil pipe 700. And a one-way valve 703 is installed at the inlet end of the oil outlet 702 for making the oil flow into the outlet oil pipe 700 unidirectionally and avoiding the backflow of the oil. There are two oil storage pipes 600, and the two oil storage pipes 600 are symmetrically arranged about the outlet oil pipe 700 on the left and right. The outlet end of the oil storage pipe 600 is connected to the inlet end of the second throttle valve 701. An air inlet 602 is arranged on the outer surface of the top of the oil storage pipe 600. And an air inlet valve 601 is installed at the inlet end of the air inlet 602. An oil drain port 603 is arranged on the outer surface of the bottom of the oil storage pipe 600. And an oil drain valve 604 is installed at the outlet end of the oil drain port 603. In this equipment, there is also included: two diversion mechanisms which are symmetrically distributed for diverting the oil. The diversion mechanisms are located between the shunt pipe 200 and the oil storage pipe 600.

[0027] In this equipment, there is also included an oil transfer pump 500, an oil transfer pipe 501 and an oil extraction pipe 502. One end of the oil extraction pipe 502 is connected to the inlet end of the oil transfer pump 500, and the other end of the oil extraction pipe 502 is connected to the outlet end of the oil drain valve 604. One end of the oil transfer pipe 501 is connected to the outlet end of the oil transfer pump 500, and the other end of the oil transfer pipe 501 is connected to the inlet end of the one-way valve 703 for evacuating the residual oil inside the oil storage pipe 600 and transporting it into the outlet oil pipe 700 for joint transportation.

[0028] Specifically, the diversion mechanism includes an upper shell 300 and a lower shell 800. The upper shell 300 and the lower shell 800 are connected by fasteners. An oil inlet 301 and an oil outlet 302 are respectively arranged at both ends of the outer surface of the upper shell 300. The inlet end of the oil inlet 301 is connected to the outlet end of the first throttle valve 201. The outlet end of the oil outlet 302 is connected to the inlet end of the oil storage pipe 600.

[0029] Further, the flow guiding mechanism further includes a switching filter assembly 400. Specifically, the switching filter assembly 400 includes a drive shaft 401 disposed in the middle of the upper housing 300, and oil cylinders 404 located at both ends inside the upper housing 300. The oil outlet 302, the oil cylinders 404, and the oil inlet 301 are coaxial. The drive shaft 401 is rotatably disposed with the upper housing 300 through a bearing. A worm gear 410 is fixedly installed on the outer surface of the drive shaft 401. The switching filter assembly 400 further includes a bearing block 409 fixedly installed on the outer surface of the upper housing 300 and located on one side of the worm gear 410. A worm 408 is rotatably installed inside the bearing block 409 through a bearing. The worm 408 is meshed with the worm gear 410. The outer end of the worm 408 is connected and assembled with the output end of an external drive motor 407 through a coupling. The drive motor 407 is installed on the bearing block 409. The drive motor 407 is a servo motor. The oil cylinder 404 is connected to the drive shaft 401 through a transfer rod 411 for synchronous rotation with the drive shaft 401. Two second O-rings 413 are respectively fixed at both ends of the outer surface of the oil cylinder 404. Two screen filters 402 with different mesh sizes are respectively disposed at both ends of the inner surface of the oil cylinder 404. The screen filters 402 are slidably disposed with the oil cylinder 404. The two screen filters 402 are connected by a connecting rod 414, which facilitates the staff to disassemble the two screen filters 402 synchronously. A plurality of filter element supports 415 are fixedly disposed on the inner surface of the oil cylinder 404 and are evenly distributed in a ring shape for positioning the screen filters 402. A first O-ring 412 is disposed on the inner wall of the outer surface of the screen filter 402. The outer surface of the first O-ring 412 is in contact with the inner surface of the oil cylinder 404. It should be noted that the mesh size of the screen filter 402 located at the oil inlet 301 is slightly larger than the mesh size of the screen filter 402 located at the oil outlet 302, and a plurality of filter element supports 415 are all used for positioning the screen filter 402 located at the oil outlet 302.

[0030] Further, two disassembly openings are respectively penetrated through both sides of the outer surface of the upper housing 300, and the disassembly openings correspond to the positions of the oil cylinders 404. The switching filter assembly 400 further includes a fixing plate 405 fixedly disposed on the outer surface of the upper housing 300 and located on one side of the oil outlet 302. The fixing plate 405 corresponds to the position of the oil cylinder 404. A push-pull rod 406 is slidably disposed in the middle of the fixing plate 405. A fork head 403 is fixedly disposed in the middle of one end of the outer surface of the push-pull rod 406 and located at the screen filter 402 for pushing the screen filter 402, which facilitates the staff to disassemble the screen filter 402.

[0031] According to the above, the utility model sets a diversion mechanism between the shunt pipe 200 and the oil storage pipe 600. During use, the rotating worm 408 drives the worm wheel 410 and the drive shaft 401 to rotate, and the oil cylinder 404 is driven to switch through the adapter rod 411. On the one hand, it can ensure the continuous delivery of oil. On the other hand, it is convenient for the staff to disassemble and handle the blocked mesh filter element 402. The utility model uses the method of diverting and delivering oil. While closing one of the delivery channels, it can also ensure the continuous delivery of oil. In addition, the oil remaining in the oil storage pipe 600 is evacuated by the oil transfer pump 500, the oil transfer pipe 501 and the oil suction pipe 502, which is convenient for the staff to carry out the subsequent disassembly work.

[0032] It can be understood that the present utility model is described through some embodiments. As is known to those skilled in the art, without departing from the spirit and scope of the present utility model, various changes or equivalent replacements can be made to these features and embodiments. In addition, under the teaching of the present utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present utility model.

Claims

1. An oil pipeline filter that is easy to replace a filter element, comprising an oil inlet pipe (100), a shunt pipe (200), an oil storage pipe (600) and an oil outlet pipe (700), wherein the outlet end of the oil inlet pipe (100) is connected to the inlet end of the shunt pipe (200), and is characterized in that: Also includes: Two symmetrically distributed flow guiding mechanisms, the flow guiding mechanisms comprising an upper shell (300) and a lower shell (800), the outer surface of the upper shell (300) being provided with an oil inlet (301) and an oil outlet (302) at two ends thereof, the inlet end of the oil inlet (301) being connected to the outlet end of the first throttle valve (201), the outlet end of the oil outlet (302) being connected to the inlet end of the oil storage pipe (600), the flow guiding mechanism further comprising a switching filter assembly (400), the switching filter assembly (400) comprising a driving shaft (401) arranged in the middle of the upper shell (300), and oil cylinders (404) located at two ends of the interior of the upper shell (300), the driving shaft (401) and the upper shell (300) being rotatably arranged via bearings.

2. The oil pipeline filter with easy filter element replacement according to claim 1, characterized in that: The shunt pipe (200) is designed in a Y-shaped structure, and two first throttle valves (201) are respectively installed at both ends of the outer surface of the bottom of the shunt pipe (200); the oil outlet pipe (700) is designed in a T-shaped structure, and two second throttle valves (701) are respectively installed at both ends of the outer surface of the oil outlet pipe (700); two oil delivery ports (702) are respectively arranged on both sides of the outer surface of the bottom of the oil outlet pipe (700), and a one-way valve (703) is installed at the inlet end of the oil delivery port (702).

3. The oil pipeline filter with easy filter element replacement according to claim 1, characterized in that: The outlet end of the oil storage pipe (600) is connected to the inlet end of the second throttle valve (701); the outer surface of the top of the oil storage pipe (600) is provided with an air inlet (602), and the inlet end of the air inlet (602) is installed with an air inlet valve (601); the outer surface of the bottom of the oil storage pipe (600) is provided with an oil discharge port (603), and the outlet end of the oil discharge port (603) is installed with an oil discharge valve (604).

4. The oil pipeline filter with easy filter element replacement according to claim 1, characterized in that: A worm gear (410) is fixedly mounted on the outer surface of the drive shaft (401), and the switch filter assembly (400) further comprises a bearing seat (409) fixedly mounted on the outer surface of the upper shell (300) and located on one side of the worm gear (410), a worm (408) is rotatably mounted inside the bearing seat (409) via a bearing, the worm (408) is meshed with the worm gear (410), and the outer end of the worm (408) is connected and assembled with the output end of an external drive motor (407) via a coupling, and the drive motor (407) is a servo motor.

5. The oil pipeline filter with easy filter element replacement according to claim 1, characterized in that: The oil cylinder (404) is connected to the drive shaft (401) via a transfer rod (411); two second O-rings (413) are fixed to the two ends of the outer surface of the oil cylinder (404); two mesh filter elements (402) with different mesh sizes are arranged at the two ends of the inner surface of the oil cylinder (404); the mesh filter element (402) and the oil cylinder (404) are slidably arranged; the two mesh filter elements (402) are connected via a connecting rod (414); a plurality of filter element holders (415) distributed in an annular shape and at equal intervals are fixedly arranged on the inner surface of the oil cylinder (404); and a first O-ring (412) is arranged on the inner wall of the outer surface of the mesh filter element (402).

6. The oil pipeline filter with easy filter element replacement according to claim 1, characterized in that: Two disassembly openings are respectively provided on both sides of the outer surface of the upper shell (300), and the disassembly openings correspond to the positions of the oil cylinder (404). The switch filter assembly (400) further comprises a fixing plate (405) fixedly arranged on the outer surface of the upper shell (300) and located on one side of the oil outlet (302), and the fixing plate (405) corresponds to the position of the oil cylinder (404). A push-pull rod (406) is slidably arranged in the middle of the fixing plate (405), and a fork head (403) is fixedly arranged on the outer surface of the push-pull rod (406) and located in the middle of one end of the mesh filter element (402).

7. The oil pipeline filter with easy filter element replacement according to claim 1, characterized in that: It also includes an oil delivery pump (500), an oil delivery pipe (501) and an oil extraction pipe (502), one end of the oil extraction pipe (502) is connected to the inlet end of the oil delivery pump (500), and the other end of the oil extraction pipe (502) is connected to the outlet end of the oil discharge valve (604), one end of the oil delivery pipe (501) is connected to the outlet end of the oil delivery pump (500), and the other end of the oil delivery pipe (501) is connected to the inlet end of the one-way valve (703).

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