High-pressure filter

Abstract

The utility model discloses a high-pressure filter which comprises a shell and a cup body, the bottom of the cup body is provided with a residue discharge pipe, the interior of the residue discharge pipe is provided with a sealing stud, the bottom end of the sealing stud is provided with a rotating mechanism, the rotating mechanism comprises a connecting assembly and an extending assembly, the connecting assembly comprises a box body, and the box body is provided with an opening. The extension assembly comprises an extension block, one end of the extension block is provided with a locking piece, and the bottom of the box body is provided with an unlocking piece; by means of the design of the slag discharging pipe, the sealing stud and the rotating mechanism, when the sealing stud needs to be detached, the pushing block extrudes the clamping block by pressing the pressing block, the clamping block moves into the limiting groove, the extending block can be drawn out through the pulling ring, the extending block extends out of the box body, and therefore the sealing stud can be detached by rotating the extending block. Therefore, the sealing stud can be driven to rotate through the box body, so that the sealing stud is separated from the deslagging pipe, and the sealing stud can be conveniently disassembled.

Description

Technical Field

[0001] The utility model relates to the field of hydraulic pump filtering equipment, in particular to a high-pressure filter. Background Art

[0002] A high-pressure filter is generally installed between the hydraulic pump and the multi-way valve to filter the hydraulic oil. A liquid inlet pipe is set on the top shell of the filter to allow the hydraulic oil to flow into the cup shell, and then flow out from the liquid outlet pipe after being filtered through the filter.

[0003] A slag discharge pipe is generally provided at the bottom of the cup shell to discharge the blocked debris. Usually, a thread is provided on the inner wall of the slag discharge pipe. The slag discharge pipe is sealed by inserting a bolt through the thread of the slag discharge pipe. However, a hexagonal groove is usually provided at the end of the bolt. When the bolt is rotated, an L-shaped hexagonal wrench is required to unscrew it. Therefore, after long-term use, the inner wall of the hexagonal groove is worn, and the edges and corners are worn and smooth. If a wrench is inserted at this time, the wrench will slip, affecting the removal of the bolt. Utility Model Content

[0004] The purpose of the utility model is to provide a high-pressure filter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-pressure filter, comprising a shell and a cup body, a slag discharge pipe for discharging filter residues is arranged at the bottom of the cup body, a sealing stud for opening and closing the slag discharge pipe is arranged inside the slag discharge pipe, a rotating mechanism for rotating the sealing stud is arranged at the bottom of the sealing stud, the rotating mechanism comprises a connecting assembly and an extension assembly, the connecting assembly comprises a box body, the extension assembly comprises an extension block, a locking piece for locking the position of the extension block is arranged at one end of the extension block, and an unlocking piece for releasing the lock of the extension block is arranged at the bottom of the box body.

[0006] Preferably, the bottom end of the shell is fixedly connected to the top end of the cup body, the bottom end of the cup body is through-connected to the top end of the slag discharge pipe, the two ends of the shell are respectively through-connected with a liquid inlet pipe and a liquid outlet pipe for liquid inlet and outlet, and the sealing stud is threadedly connected to the slag discharge pipe.

[0007] Preferably, the bottom end of the sealing stud is fixedly connected to the top end of the box body, and a receiving groove for slidingly inserting the extension block is provided on one side of the box body.

[0008] Preferably, the locking member includes a card block, a locking hole is provided at the bottom end of the inner wall of the storage groove, the card block is interlaced with the locking hole, a cavity for installing the locking member is provided inside one end of the extension block, a baffle is fixedly connected to the top end of the card block, and an elastic block is provided at the top end of the baffle.

[0009] Preferably, a transverse limiting groove is provided at the bottom end of the receiving groove, and the transverse limiting groove is used to limit the moving distance of the extension block.

[0010] Preferably, a vertical limiting groove for installing an unlocking member is opened in the middle of the locking hole, and the unlocking member includes a pressing block, a limiting plate is fixedly connected to the top of the pressing block, a pushing block is fixedly connected to the top of the limiting plate, the pushing block is slidably and interlacedly connected to the vertical limiting groove, and the pressing block and the pushing block are respectively interlacedly connected to the locking hole.

[0011] Preferably, the other end of the extension block is fixedly connected with a pulling ring for facilitating pulling of the extension block.

[0012] Technical effects and advantages of the utility model:

[0013] The utility model utilizes the design of the slag discharge pipe, the sealing stud and the rotating mechanism. When the sealing stud needs to be disassembled, the pressing block is pressed to make the pushing block squeeze the clamping block, so that the clamping block is moved into the limiting groove, so that the extension block can be extracted by the pulling ring, so that the extension block extends out of the box body, and the sealing stud can be driven to rotate through the box body by rotating the extension block, so that the sealing stud is separated from the slag discharge pipe, and the sealing stud is conveniently disassembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the structure of the rotating mechanism of the utility model in the contracted state.

[0016] Figure 3 It is a structural schematic diagram of the utility model's rotating mechanism in the extended state.

[0017] Figure 4 It is a front view cross-sectional structural diagram of the rotating mechanism of the utility model.

[0018] Figure 5 For this utility model Figure 4 A is a schematic diagram of the enlarged structure.

[0019] Figure 6 It is a schematic diagram of the three-dimensional structure of the unlocking member of the utility model.

[0020] In the figure: 1. Shell; 2. Cup body; 3. Liquid inlet pipe; 4. Liquid outlet pipe; 5. Slag discharge pipe; 6. Sealing stud; 7. Box body; 8. Extension assembly; 81. Extension block; 82. Card block; 83. Baffle; 84. Elastic block; 9. Unlocking piece; 91. Pressing block; 92. Limiting plate; 93. Pushing block; 10. Pulling ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-6 A high-pressure filter is shown, comprising a shell 1 and a cup body 2, a slag discharge pipe 5 for discharging filter residue is arranged at the bottom of the cup body 2, a sealing stud 6 for opening and closing the slag discharge pipe 5 is arranged inside the slag discharge pipe 5, a rotating mechanism for rotating the sealing stud 6 is arranged at the bottom end of the sealing stud 6, the rotating mechanism comprises a connecting assembly and an extension assembly 8, the connecting assembly comprises a box body 7, the extension assembly 8 comprises an extension block 81, a locking piece for locking the position of the extension block 81 is arranged at one end of the extension block 81, and an unlocking piece 9 for releasing the lock of the extension block 81 is arranged at the bottom of the box body 7.

[0023] Specifically, the bottom end of the shell 1 is fixedly connected to the top end of the cup body 2, the bottom end of the cup body 2 is through-connected to the top end of the slag discharge pipe 5, the two ends of the shell 1 are through-connected with a liquid inlet pipe 3 and a liquid outlet pipe 4 for liquid inlet and outlet, respectively, and the sealing stud 6 is threadedly connected to the slag discharge pipe 5.

[0024] Furthermore, the shell 1, the cup body 2, the liquid inlet pipe 3, the liquid outlet pipe 4, the slag discharge pipe 5 and the sealing stud 6 constitute an existing high-pressure filter for a hydraulic system. The hydraulic oil flows from the shell 1 into the cup body 2 through the liquid inlet pipe 3, and the filter element inside the cup body 2 filters the hydraulic oil, and then flows out from the liquid outlet pipe 4. The inner wall of the slag discharge pipe 5 is provided with threads, and the threads are engaged with the threads on the outer wall of the sealing stud 6. The sealing stud 6 is connected with the threads of the slag discharge pipe 5 through insertion, so as to achieve the closure of the slag discharge pipe 5. By rotating the sealing stud 6, the sealing stud 6 is disengaged from the inside of the slag discharge pipe 5, and the filtered debris can be discharged from the slag discharge pipe 5 through the slag discharge pipe 5.

[0025] Specifically, the bottom end of the sealing stud 6 is fixedly connected to the top end of the box body 7, a receiving groove for slidingly inserting the extension block 81 is provided on one side of the box body 7, the locking piece includes a card block 82, a locking hole is provided at the bottom end of the inner wall of the receiving groove, the card block 82 is inserted and connected with the locking hole, a cavity for installing the locking piece is provided inside one end of the extension block 81, a baffle 83 is fixedly connected to the top end of the card block 82, an elastic block 84 is provided at the top end of the baffle 83, a lateral limiting groove is provided at the bottom end of the receiving groove, and a lateral limiting groove is provided. The limiting groove is used to limit the moving distance of the extension block 81. A vertical limiting groove for installing the unlocking member 9 is opened in the middle of the locking hole. The unlocking member 9 includes a pressing block 91. The top of the pressing block 91 is fixedly connected to a limiting plate 92. The top of the limiting plate 92 is fixedly connected to a pushing block 93. The pushing block 93 is slidably and interlacedly connected with the vertical limiting groove. The pressing block 91 and the pushing block 93 are respectively interlacedly connected with the locking hole. The other end of the extension block 81 is fixedly connected to a pulling ring 10 for facilitating pulling of the extension block 81.

[0026] Furthermore, the bottom end of the sealing stud 6 is fixed to the top end of the box body 7 by welding, the size of the storage groove is 1.02 times the size of the extension block 81, the shape of the storage groove is the same as the shape of the extension block 81, the pull ring 10 is connected to the end opposite to the extension block 81 by welding, the horizontal cross-sectional size of the locking hole is 1.02 times the horizontal cross-sectional size of the card block 82, the horizontal cross-sectional size of the card block 82 is the same as the horizontal cross-sectional size of the push block 93 and the pressing block 91, the inner wall of the cavity is provided with an interpenetrating hole, the card block 82 is interpenetratingly connected with the interpenetrating hole, the elastic block 84 is an elastic rubber block, and the elastic block 84 is always in a compressed state in the cavity, the size of the baffle plate 83 is 1.2 times the size of the interpenetrating hole, the horizontal cross-sectional size of the card block 82 is 0.98 times the size of the interpenetrating hole, the height of the vertical limiting groove is the sum of the heights of the limiting plate 92 and the pushing block 93, the horizontal cross-sectional size of the vertical limiting groove is 1.2 times the horizontal cross-sectional size of the locking hole, and the horizontal cross-sectional size of the limiting plate 92 is The size of the inch is 1.1 times the horizontal cross-sectional size of the locking hole. Therefore, when the sealing stud 6 needs to be rotated, the pressing block 91 is pressed toward the box body 7. The pressing block 91 drives the limiting plate 92, so that the limiting plate 92 drives the pushing block 93 to push the card block 82 for extrusion, so that the card block 82 moves into the transverse limiting groove. At this time, the extension block 81 is pulled by the pulling ring 10 to make the extension block 81 away from the box body 7, so that the extension block 81 can be extended out of the box body 7. Because the card block 82 is in the limiting groove, the extension block 81 cannot move out of the box body 7. By rotating the extension block 81, the extension block 81 drives the box body 7 to rotate the sealing stud 6, and the sealing stud 6 is separated from the slag discharge pipe 5. When the extension block 81 is not in use, the extension block 81 is pushed into the receiving groove. Under the action of the restoring force of the elastic block 84, the card block 82 is inserted into the locking hole to limit the movement of the extension block 81 and store the extension block 81 inside the box body 7.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-pressure filter, comprising a housing (1) and a cup body (2), wherein a slag discharge pipe (5) for discharging filter residue is provided at the bottom of the cup body (2), characterized in that: A sealing stud (6) for opening and closing the slag discharge pipe (5) is arranged inside the slag discharge pipe (5); a rotating mechanism for rotating the sealing stud (6) is arranged at the bottom end of the sealing stud (6); the rotating mechanism comprises a connecting component and an extending component (8); the connecting component comprises a box body (7); the extending component (8) comprises an extending block (81); a locking piece for locking the position of the extending block (81) is arranged at one end of the extending block (81); and an unlocking piece (9) for releasing the lock of the extending block (81) is arranged at the bottom of the box body (7).

2. A high pressure filter according to claim 1, characterized in that: The bottom end of the shell (1) is fixedly connected to the top end of the cup body (2), the bottom end of the cup body (2) is connected through the top end of the slag discharge pipe (5), the two ends of the shell (1) are respectively connected through a liquid inlet pipe (3) and a liquid outlet pipe (4) for liquid inlet and outlet, and the sealing stud (6) is threadedly connected to the slag discharge pipe (5).

3. A high pressure filter according to claim 1, characterized in that: The bottom end of the sealing stud (6) is fixedly connected to the top end of the box body (7), and a receiving groove for slidingly inserting the extension block (81) is provided on one side of the box body (7).

4. A high pressure filter according to claim 3, characterized in that: The locking member comprises a clamping block (82), a locking hole is provided at the bottom end of the inner wall of the receiving groove, the clamping block (82) is interlaced and connected with the locking hole, a cavity for installing the locking member is provided inside one end of the extension block (81), a baffle (83) is fixedly connected to the top end of the clamping block (82), and an elastic block (84) is provided at the top end of the baffle (83).

5. A high pressure filter according to claim 4, characterized in that: A transverse limiting groove is provided at the bottom end of the receiving groove, and the transverse limiting groove is used to limit the moving distance of the extension block (81).

6. A high pressure filter according to claim 4, characterized in that: A vertical limiting groove for installing an unlocking member (9) is provided in the middle of the locking hole. The unlocking member (9) comprises a pressing block (91). A limiting plate (92) is fixedly connected to the top of the pressing block (91). A pushing block (93) is fixedly connected to the top of the limiting plate (92). The pushing block (93) is slidably connected to the vertical limiting groove. The pressing block (91) and the pushing block (93) are respectively connected to the locking hole.

7. A high pressure filter according to claim 1, characterized in that: The other end of the extension block (81) is fixedly connected with a pulling ring (10) for facilitating pulling of the extension block (81).

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