Melt filter element convenient to replace

Abstract

The utility model provides a melt filter element capable of being conveniently replaced, which relates to the technical field of filter equipment and comprises an inner support tube, an outer support tube, an outer support tube, an outer support tube and an inner support tube which are sequentially arranged from inside to outside, and the upper end of the inner support tube is fixedly provided with a connector while the lower end is detachably connected with a positioning head; the inner side of the connector is provided with a connecting channel communicated with the interior of the inner supporting pipe, and the outer side of the connector is provided with external threads. The filtering piece is detachably connected with the inner supporting pipe; and the outer protective sleeve is detachably connected with the connector. The positioning head is detachably connected with the inner supporting pipe, and the outer protective sleeve is detachably connected with the connector, so that the filtering piece can be independently replaced after the positioning head and the outer protective sleeve are detached, the whole filter element does not need to be replaced, and the cost is lower.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering equipment, in particular to a melt filter element which can be replaced conveniently. Background Art

[0002] Melt filter is an important equipment for high-speed spinning and spinning fine denier yarn. It is used to remove impurities and unmelted particles in the melt to improve the spinning performance of the melt and ensure the spinning quality.

[0003] The filter element of the melt filter is a consumable that needs to be replaced regularly. In order to facilitate the maintenance of the melt filter, the present application provides a melt filter element that can be easily replaced. Utility Model Content

[0004] In view of the above situation, the utility model provides a melt filter element that can be easily replaced. After the positioning head and the outer protective sleeve are disassembled, the filter element can be replaced separately without replacing the entire filter element, which is more cost-effective.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] The utility model provides a melt filter element which can be replaced conveniently, comprising:

[0007] The inner support tube has a connector fixed on its upper end and a positioning head detachably connected to its lower end; the inner side of the connector has a connection channel connected to the inner part of the inner support tube and the outer side has an external thread;

[0008] A filter element, detachably connected to the inner support tube;

[0009] The outer protective cover is detachably connected to the connector.

[0010] In some embodiments of the present invention, the connector is provided with:

[0011] The plug is movably arranged along the radial direction of the connector, and the upper end of the outer protective sleeve is provided with a socket for use with the plug;

[0012] A trigger button, movably arranged on the lower inner wall of the connecting channel;

[0013] The reversing assembly is used to connect the trigger button and the latch and make the trigger button and the latch move in opposite directions.

[0014] In some embodiments of the present invention, the reversing assembly includes:

[0015] A guide cavity is arranged along the radial direction of the connector;

[0016] A first piston is connected to the latch and is slidingly and sealingly fitted in the guide cavity;

[0017] A second piston is connected to the trigger button and is slidably and sealingly fitted in the guide cavity;

[0018] A partition is arranged in the guide cavity and between the first piston and the second piston; the first piston, the partition and the second piston divide the guide cavity into a first accommodating cavity, a cavity and a second accommodating cavity;

[0019] A compression spring, one end of which is connected to the partition plate and the other end of which is connected to the second piston;

[0020] A fluid channel, one end of which is connected to the first accommodating chamber and the other end of which is connected to the second accommodating chamber;

[0021] The inner wall of the cavity is provided with a breathing hole; the fluid channel, the first accommodating cavity and the second accommodating cavity are filled with fluid.

[0022] In some embodiments of the present invention, the filter element has frames at the upper and lower ends, and the frames are detachably connected to the inner support tube.

[0023] In some embodiments of the present invention, the filter element includes a stainless steel fiber sintered felt layer and a stainless steel woven mesh layer that are bonded to each other.

[0024] In some embodiments of the present invention, the upper portion of the connecting channel is polygonal.

[0025] In some embodiments of the present invention, the positioning head is conical.

[0026] In some embodiments of the present invention, a connecting column is provided at the center of the end of the positioning head with a larger diameter, and the connecting column is threadedly connected to the inner side of the lower end of the inner support tube.

[0027] The embodiments of the present invention have at least the following advantages or beneficial effects:

[0028] 1. The filter element can be supported and protected by the arrangement of the outer protective sleeve and the inner support tube.

[0029] Second, the connection head is provided to facilitate the disassembly and assembly of the melt filter element and the filter element support, which can be easily replaced.

[0030] 3. Through the setting of the positioning head, the lower part of the melt filter element which can be easily replaced can be positioned.

[0031] Fourth, the positioning head is detachably connected to the inner support tube, and the outer protective cover is detachably connected to the connecting head. Thus, after removing the positioning head and the outer protective cover, the filter element can be replaced separately without replacing the entire filter element, which is more cost-effective.

[0032] Other features and advantages of the present invention will be set forth in the following description, and in part will become apparent from the description, or may be understood by practicing the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0034] Figure 1 It is a schematic diagram of the structure of a melt filter element and a filter element support that can be easily replaced;

[0035] Figure 2 It is a schematic diagram of the structure of a melt filter element that can be easily replaced;

[0036] Figure 3 for Figure 2 A partial enlarged view of position A in the middle;

[0037] Figure 4 for Figure 2 A partial enlarged view of position B in the middle;

[0038] Figure 5 It is a schematic diagram of the structure of the stainless steel fiber sintered felt layer and the stainless steel woven mesh layer.

[0039] icon:

[0040] 1-filter support, 11-water inlet, 12-connection port, 13-positioning slot,

[0041] 2-Easily replaceable melt filter element,

[0042] 3-Inner support tube,

[0043] 4-filter, 41-frame, 42-stainless steel fiber sintered felt layer, 43-stainless steel woven mesh layer, 44-screw,

[0044] 5-outer protective cover, 51-jack,

[0045] 6-connector, 61-connecting channel, 62-latch pin, 63-trigger button, 641-guide chamber, 642-first piston, 643-second piston, 644-partition, 645-compression spring, 646-fluid channel, 647-first accommodating chamber, 648-cavity, 649-second accommodating chamber,

[0046] 7- positioning head, 71- connecting column. DETAILED DESCRIPTION

[0047] In the following, only some exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the present invention.

[0048] In the description of the embodiments of the present invention, it should be understood that the terms "center", "lateral", "up", "down", "top", "bottom", "inside", "outside", "radial", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention 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 therefore cannot be understood as a limitation on the embodiments of the present invention.

[0049] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0050] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral body; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0051] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0052] Example

[0053] See also Figure 1 to Figure 5 This embodiment provides a melt filter element 2 that can be easily replaced. The melt filter element 2 that can be easily replaced is installed on a filter element support 1.

[0054] The top of the filter element support 1 has a water inlet 11, a connection port 12 and a positioning groove 13 arranged in sequence from top to bottom. Water can enter from the water inlet 11, be filtered by the easily replaceable melt filter element 2, and then be discharged from the side of the filter element support 1. The inner side of the connection port 12 has an internal thread.

[0055] The conveniently replaceable melt filter element 2 comprises an inner support tube 3, a filter element 4 and an outer protective sleeve 5 which are arranged in sequence from the inside to the outside.

[0056] A plurality of holes are distributed on the inner support tube 3 (the positions and areas of the holes can be adjusted as needed); a connector 6 is fixed to the upper end of the inner support tube 3 and a positioning head 7 is detachably connected to the lower end.

[0057] The inner side of the connector 6 has a connection channel 61 connected to the inner side of the inner support tube 3, and the outer side has an external thread for connecting to the internal thread of the connection port 12. In this embodiment, the upper part of the connection channel 61 is in a hexagonal or other polygonal shape, so that a hexagonal hole is formed on the upper part of the connector 6, so that the connector 6 can be screwed by a corresponding tool, thereby facilitating the disassembly and assembly of the melt filter element 2 that can be easily replaced on the filter element support 1.

[0058] The positioning head 7 is conical and is used in conjunction with the positioning groove 13 to facilitate positioning of the lower part of the melt filter element 2 which can be easily replaced. A connecting column 71 is provided at the center of the end with a larger diameter of the positioning head 7, and the connecting column 71 is threadedly connected to the inner side of the lower end of the inner support tube 3; after the positioning head 7 is connected to the lower end of the inner support tube 3, the lower part of the filter element 4 contacts the positioning head 7.

[0059] The filter element 4 has an annular frame 41 at the upper and lower ends, and the frame 41 can be detachably connected to the inner support tube 3 by screws 44; the filter element 4 includes a stainless steel fiber sintered felt layer 42 and a stainless steel woven mesh layer 43 that fit each other, the stainless steel fiber sintered felt layer 42 has high filtering accuracy and plays a major filtering role, and the stainless steel woven mesh layer 43 is used to support the stainless steel fiber sintered felt. In this embodiment, the stainless steel fiber sintered felt layer 42 is located between the stainless steel woven mesh layer 43 and the outer protective sleeve 5, and in other embodiments, the stainless steel fiber sintered felt layer 42 can also be located between the stainless steel woven mesh layer 43 and the inner support tube 3.

[0060] The outer protective cover 5 protects the filter element 4 and has a plurality of holes (the positions and areas of the holes can be adjusted as needed). The outer protective cover 5 is detachably connected to the connector 6 .

[0061] The connector 6 is provided with a plurality of latches 62 , a trigger button 63 and a reversing assembly.

[0062] The plug pin 62 is movably arranged along the radial direction of the connector 6 , and the upper end of the outer protective sleeve 5 has a plug hole 51 used in conjunction with the plug pin 62 .

[0063] The trigger button 63 is movably disposed on the lower inner wall of the connecting channel 61 .

[0064] The reversing assembly is used to connect the trigger button 63 and the latch 62 and make the trigger button 63 and the latch 62 move in opposite directions.

[0065] The working principle of the latch 62, the trigger button 63 and the reversing assembly is as follows: when removing the filter element 4, the easily replaceable melt filter element 2 can be taken out of the filter element holder 1 as a whole, and then an external tool such as a round rod is inserted downward into the lower part of the connecting channel 61 to push the trigger button 63 outward, and at the same time, the latch 62 is moved inward through the transmission of the reversing assembly, so that the latch 62 is separated from the socket 51 on the outer protective sleeve 5, and then the positioning head 7 is removed, and the outer protective sleeve 5 is taken out downward, and the filter element 4 can be removed, so that the filter element 4 can be replaced.

[0066] The reversing assembly includes: a guide chamber 641 , a first piston 642 , a second piston 643 , a partition plate 644 , a compression spring 645 and a fluid channel 646 , which are located in the connecting head 6 .

[0067] The guide cavity 641 is arranged along the radial direction of the connecting head 6 .

[0068] The first piston 642 is connected to the latch pin 62 and is slidingly and sealingly fitted in the guide cavity 641 .

[0069] The second piston 643 is connected to the trigger button 63 and is slidably and sealingly fitted in the guide cavity 641 .

[0070] The partition 644 is arranged in the guide chamber 641 and is located between the first piston 642 and the second piston 643; the first piston 642, the partition 644 and the second piston 643 divide the guide chamber 641 into a first accommodating chamber 647, a cavity 648 and a second accommodating chamber 649; the inner wall of the cavity 648 has a breathing hole (not shown in the figure) to enable the first piston 642 to move smoothly.

[0071] One end of the compression spring 645 is connected to the partition plate 644 , and the other end is connected to the second piston 643 .

[0072] One end of the fluid channel 646 is connected to the first accommodating chamber 647 , and the other end is connected to the second accommodating chamber 649 ; the fluid channel 646 , the first accommodating chamber 647 and the second accommodating chamber 649 are filled with fluid.

[0073] The working principle of the reversing assembly is that when the trigger button 63 moves, the pressure is transmitted by the fluid to drive the latch 62 to move in the opposite direction. Through the arrangement of the latch 62, the trigger button 63 and the reversing assembly, the outer protective sleeve 5 can be easily and quickly removed and the filter element 4 can be replaced.

[0074] 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. For those skilled in the art, the present invention may be subject to various modifications and variations. In the absence of conflicts, the embodiments of the present application and the features in the embodiments may be combined with each other at will. 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 conveniently replaceable melt filter element, characterized in that: Including from the inside to the outside: An inner support tube, with a connector fixed on the upper end and a positioning head detachably connected to the lower end; the inner side of the connector has a connection channel connected to the inner part of the inner support tube, and the outer side has an external thread; A filter element, detachably connected to the inner support tube; An outer protective sleeve, detachably connected to the connector; Wherein, the connector is provided with: A plug is movably arranged along the radial direction of the connector, and the upper end of the outer protective sleeve has a socket for use with the plug; A trigger button, movably arranged on the lower inner wall of the connecting channel; The reversing component is used to connect the trigger button and the latch and make the trigger button and the latch move in opposite directions.

2. The conveniently replaceable melt filter element according to claim 1, characterized in that: The reversing assembly includes: A guide cavity is arranged along the radial direction of the connector; a first piston connected to the latch and slidingly and sealingly fitted in the guide cavity; a second piston connected to the trigger button and slidingly and sealingly engaged in the guide cavity; a partition plate, arranged in the guide cavity and between the first piston and the second piston; the first piston, the partition plate and the second piston divide the guide cavity into a first accommodating cavity, a cavity and a second accommodating cavity; A compression spring, one end of which is connected to the partition plate and the other end of which is connected to the second piston; a fluid channel, one end of which is connected to the first accommodating chamber and the other end of which is connected to the second accommodating chamber; Wherein, a breathing hole is provided on the inner wall of the cavity; and the fluid channel, the first accommodating chamber and the second accommodating chamber are filled with fluid.

3. The conveniently replaceable melt filter element according to claim 1, characterized in that: The filter element has frames at the upper and lower ends, and the frames are detachably connected to the inner support tube.

4. The conveniently replaceable melt filter element according to claim 1, characterized in that: The filter element comprises a stainless steel fiber sintered felt layer and a stainless steel woven mesh layer which are bonded to each other.

5. The conveniently replaceable melt filter element according to claim 1, characterized in that: The upper portion of the connecting channel is polygonal.

6. The conveniently replaceable melt filter element according to claim 1, characterized in that: The positioning head is conical.

7. The conveniently replaceable melt filter element according to claim 6, characterized in that: A connecting column is provided at the center of the end of the positioning head with a larger diameter, and the connecting column is threadedly connected to the inner side of the lower end of the inner support tube.

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