A filter for easy replacement of filter element for paint production and preparation

Abstract

The utility model belongs to the technical field of filters, and specifically relates to a filter for coating production and preparation, which is easy to replace the filter element, comprising a filter housing, a top cover is arranged on the top of the filter housing, a liquid inlet pipe is connected to the top of the top cover, a liquid outlet pipe is connected to the bottom of the filter housing, and a filter element is arranged inside the filter housing. The utility model proposes to rotate the bidirectional screw rod by a knob, so that the two threaded connection blocks on the outer wall can drive the L-shaped plug block to move in opposite directions, and as the two L-shaped plug blocks move in opposite directions, one end of the L-shaped plug block will be disengaged from the slot at the end of the fixed block, and after the L-shaped plug block is disengaged, the top cover can be disassembled from the top of the filter housing, thereby improving the replacement efficiency of the internal filter element.

Description

Technical Field

[0001] The utility model belongs to the technical field of filters, and in particular relates to a filter for coating production and preparation, the filter core of which is easy to replace. Background Art

[0002] The filter used for paint production and preparation can filter the paint through the internal filter element to further improve the quality of the paint.

[0003] At present, after a long period of use, the existing filters for paint production and preparation usually need to replace the internal filter element. However, the top cover and the outer shell of the filter are usually installed by bolt fixing, so it takes a lot of time to use tools to remove the top cover and then replace the internal filter element, which reduces the efficiency of filter element replacement. Utility Model Content

[0004] The utility model aims to provide a filter for paint production and preparation, which is easy to replace the filter element, and aims to solve the problem in the prior art that the existing paint production and preparation filters usually need to replace the internal filter element after long-term use, but the top cover and the outer shell of the filter are usually installed by bolt fixing, so it takes a lot of time to use tools to remove the top cover and then replace the internal filter element, which reduces the efficiency of filter element replacement.

[0005] To achieve the above object, the utility model provides the following technical solution: a filter for coating production and preparation, which is easy to replace the filter element, comprising a filter housing, a top cover is arranged on the top of the filter housing, a liquid inlet pipe is connected to the top of the top cover, a liquid outlet pipe is connected to the bottom of the filter housing, and a filter element is arranged inside the filter housing;

[0006] Two mounting seats are symmetrically distributed on the outer wall of the filter housing, a bidirectional screw rod is inserted through one end of the two mounting seats, the outer wall of the bidirectional screw rod is threadedly connected to two threaded connecting blocks, the tops of the two threaded connecting blocks are fixedly connected with an L-shaped plug block, one end of the bidirectional screw rod is connected to a knob, a guide rod is arranged inside the mounting seat, and two fixing blocks are symmetrically distributed on the outer wall of the filter housing, and slots are opened at the ends of the two fixing blocks.

[0007] As a preferred embodiment of the utility model of a filter for coating production and preparation with easy replacement of filter element, one end of the bidirectional screw rod forms a rotation connection structure with the mounting seat through a bearing.

[0008] As a preferred embodiment of the utility model of a filter for coating production and preparation with easy replacement of filter element, one end of the threaded connection block is sleeved on the outer wall of the guide rod.

[0009] As a preferred embodiment of the utility model of a filter for paint production and preparation with easy replacement of filter elements, the top of the mounting seat is provided with an opening, and the L-shaped plug extends to the outside through the top opening of the mounting seat.

[0010] As a preferred embodiment of the utility model of a filter for coating production and preparation with easy replacement of filter elements, a mounting frame is fixedly connected to the inner wall of the filter housing.

[0011] As a preferred filter for paint production and preparation with easy replacement of filter elements of the utility model, a protrusion is fixedly connected to the top of the filter housing, a groove is opened at the bottom of the top cover, and a waterproof strip is arranged on the inner side of the groove.

[0012] As a preferred embodiment of the utility model of a filter for coating production and preparation with easy replacement of filter element, a bracket is installed on the outer wall of the filter housing.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By turning the two-way screw rod with the knob, the two threaded connection blocks on the outer wall can drive the L-shaped plug block to move towards each other. As the two L-shaped plug blocks move towards each other, one end of the L-shaped plug block will be disengaged from the slot at the end of the fixed block. After the L-shaped plug block is disengaged, the top cover can be disassembled from the top of the filter housing, thereby improving the replacement efficiency of the internal filter element.

[0015] 2. Through the arrangement of the protrusions, the grooves and the waterproof strips, when the top cover and the filter housing are closed, the protrusions will be embedded in the grooves, and the embedded protrusions will fit with the waterproof strips, thereby improving the sealing effect of the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the main disassembly structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the top cover flip structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the enlarged structure of A of the utility model.

[0021] In the figure: 1. filter housing; 2. top cover; 3. liquid inlet pipe; 4. liquid outlet pipe; 5. filter element; 6. mounting seat; 7. two-way screw rod; 8. threaded connection block; 9. L-shaped plug block; 10. knob; 11. guide rod; 12. fixing block; 13. slot; 14. mounting frame; 15. protrusion; 16. groove; 17. waterproof strip; 18. bracket. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-Figure 4 The utility model provides the following technical solutions: a filter for coating production and preparation, which is easy to replace the filter element, comprises a filter housing 1, a top cover 2 is arranged on the top of the filter housing 1, a liquid inlet pipe 3 is connected to the top of the top cover 2, a liquid outlet pipe 4 is connected to the bottom of the filter housing 1, and a filter element 5 is arranged inside the filter housing 1;

[0024] It should be noted that the liquid inlet pipe 3 is connected to the external paint pipeline, and is used to transport the paint to be filtered into the filter, and the paint can be transported by a pump, and the liquid outlet pipe 4 is used to discharge the filtered paint to the outside;

[0025] Two mounting seats 6 are symmetrically distributed on the outer wall of the filter housing 1, a bidirectional screw rod 7 is inserted through one end of the two mounting seats 6, the outer wall of the bidirectional screw rod 7 is threadedly connected with two threaded connecting blocks 8, the tops of the two threaded connecting blocks 8 are fixedly connected with an L-shaped plug block 9, one end of the bidirectional screw rod 7 is connected to a knob 10, a guide rod 11 is arranged inside the mounting seat 6, and two fixing blocks 12 are symmetrically distributed on the outer wall of the filter housing 1, and slots 13 are provided at the ends of the two fixing blocks 12.

[0026] Preferably: one end of the bidirectional screw rod 7 forms a rotating connection structure with the mounting seat 6 through a bearing, one end of the threaded connection block 8 is sleeved on the outer wall of the guide rod 11, an opening is provided at the top of the mounting seat 6, and the L-shaped plug block 9 extends to the outside through the top opening of the mounting seat 6.

[0027] When in use, the two-way screw rod 7 is rotated by the knob 10, so that the two threaded connection blocks 8 on the outer wall can drive the L-shaped plug block 9 to move in opposite directions. As the two L-shaped plug blocks 9 move in opposite directions, one end of the L-shaped plug block 9 will be disengaged from the slot 13 at the end of the fixed block 12. After the L-shaped plug block 9 is disengaged, the top cover 2 can be disassembled from the top of the filter housing 1, thereby improving the replacement efficiency of the internal filter element 5.

[0028] During installation, first, cover the top cover 2 on the top of the filter housing 1, and make the fixing block 12 of the outer wall be located on the top of the mounting seat 6. At this time, by rotating the bidirectional screw rod 7 in the opposite direction through the knob 10, the two threaded connection blocks 8 can drive the L-shaped plug block 9 to move toward each other, so that one end of the L-shaped plug block 9 is inserted into the slot 13, and the installation and fixing of the top cover 2 is completed.

[0029] Preferably, a mounting frame 14 is fixedly connected to the inner wall of the filter housing 1 .

[0030] During specific use, the internal filter element 5 can be installed by setting the installation frame 14.

[0031] Preferably, a protrusion 15 is fixedly connected to the top of the filter housing 1 , a groove 16 is formed at the bottom of the top cover 2 , and a waterproof strip 17 is provided inside the groove 16 .

[0032] During specific use, through the arrangement of the protrusion 15, the groove 16 and the waterproof strip 17, when the top cover 2 and the filter housing 1 are closed, the protrusion 15 will be embedded in the groove 16, and the embedded protrusion 15 will fit with the waterproof strip 17, thereby improving the sealing effect of the filter.

[0033] Preferably, a bracket 18 is installed on the outer wall of the filter housing 1 .

[0034] During specific use, the filter housing 1 can be supported by the bracket 18 .

[0035] Working principle: when using the coating to produce a filter that is easy to replace the filter element, first, when the filter filters the coating for a long time and needs to replace the internal filter element 5, the two-way screw rod 7 is rotated by the knob 10, so that the two threaded connection blocks 8 on its outer wall can drive the L-shaped plug block 9 to move towards each other, and as the two L-shaped plug blocks 9 move towards each other, one end of the L-shaped plug block 9 will be disengaged from the slot 13 at the end of the fixed block 12, and after the L-shaped plug block 9 is disengaged, the top cover 2 can be disassembled from the top of the filter housing 1, thereby improving the replacement efficiency of the internal filter element 5, and through the arrangement of the protrusion 15, the groove 16, and the waterproof strip 17, when the top cover 2 and the filter housing 1 are closed, the protrusion 15 will be embedded in the groove 16, and the embedded protrusion 15 will fit with the waterproof strip 17, thereby improving the sealing effect of the filter.

[0036] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A filter for coating production and preparation, which is easy to replace the filter element, comprising a filter housing (1), characterized in that: A top cover (2) is arranged on the top of the filter housing (1), a liquid inlet pipe (3) is connected to the top of the top cover (2), a liquid outlet pipe (4) is connected to the bottom of the filter housing (1), and a filter element (5) is arranged inside the filter housing (1); The outer wall of the filter housing (1) is symmetrically provided with two mounting seats (6), one end of the two mounting seats (6) is penetrated by a bidirectional screw rod (7), the outer wall of the bidirectional screw rod (7) is threadedly connected with two threaded connection blocks (8), the tops of the two threaded connection blocks (8) are fixedly connected with an L-shaped plug block (9), one end of the bidirectional screw rod (7) is connected with a knob (10), a guide rod (11) is arranged inside the mounting seat (6), and the outer wall of the filter housing (1) is symmetrically provided with two fixing blocks (12), and the ends of the two fixing blocks (12) are provided with slots (13).

2. A filter for coating production and preparation with easy replacement of filter element according to claim 1, characterized in that: One end of the bidirectional screw rod (7) forms a rotation connection structure with the mounting seat (6) via a bearing.

3. The filter for coating production and preparation with easy replacement of filter element according to claim 1, characterized in that: One end of the threaded connection block (8) is sleeved on the outer wall of the guide rod (11).

4. The filter for coating production and preparation with easy replacement of filter element according to claim 1, characterized in that: The top of the mounting seat (6) is provided with an opening, and the L-shaped plug block (9) extends to the outside through the top opening of the mounting seat (6).

5. The filter for coating production and preparation with easy replacement of filter element according to claim 1, characterized in that: A mounting frame (14) is fixedly connected to the inner wall of the filter housing (1).

6. A filter for coating production and preparation with easy replacement of filter element according to claim 1, characterized in that: A protrusion (15) is fixedly connected to the top of the filter housing (1), a groove (16) is provided at the bottom of the top cover (2), and a waterproof strip (17) is provided inside the groove (16).

7. A filter for coating production and preparation with easy replacement of filter element according to claim 1, characterized in that: A bracket (18) is mounted on the outer wall of the filter housing (1).

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