Pull rod type quick-release filter

Abstract

The utility model relates to a pull rod type quick release filter which comprises a barrel body, an upper opening and a lower opening are respectively arranged at two ends of the barrel body, a bottom plate is arranged at the position of the lower opening of the barrel body, a barrel cover is arranged at the position of the upper opening, a rotating pull rod is arranged on the outer side of the bottom plate, a pressing rod is arranged at the end of the pull rod, and the pressing rod is pressed on the upper side of the barrel cover. The bottom plate is arranged on the lower side of the can body, then the pull rod is rotated to the upper side of the can cover, and the pressing rod is also located on the upper side of the can cover, so that the can cover can be pressed and fixed to the upper side of the can body through the pressing rod, and the can cover, the bottom plate and the can body are fixed; at the moment, the bottom plate, the barrel cover and the barrel body are not connected through threads, the filter can be rapidly disassembled and installed in the using process, and therefore the filter element can be rapidly replaced, and operation is convenient.

Description

Technical Field

[0001] This utility model relates to the field of filters, and in particular to a pull-rod type quick-release filter. Background Technology

[0002] Filters are used to filter impurities in liquids. To achieve filtration, a filter element is installed. By passing the liquid through the filter element, filtration is completed under its action. During use, the filter element generally has a certain service life. When it can no longer achieve the filtration effect, it needs to be replaced in time. In the current technology, the filter element is generally fixed to the filter barrel by a threaded connection. When it needs to be replaced, it is unscrewed through the thread and then replaced. In this case, in order to ensure the filter element is fixed, the thread is usually set with multiple turns, which is more troublesome in the replacement process and affects the user experience. Utility Model Content

[0003] Therefore, it is necessary to provide a lever-type quick-release filter to address the problems in the existing technology.

[0004] A pull rod type quick-release filter is characterized in that it includes a barrel body, with an upper opening and a lower opening at both ends of the barrel body, a bottom plate at the lower opening of the barrel body, a barrel cover at the upper opening, a rotating pull rod on the outside of the bottom plate, and a pressure rod at the end of the pull rod, the pressure rod pressing against the upper side of the barrel cover.

[0005] In one embodiment, there are two pull rods, located on both sides of the base plate. The base plate has a rotating shaft corresponding to the pull rod. The rotating shaft is fixed on the outside of the base plate, and the pull rod is rotatably connected to the rotating shaft.

[0006] In one embodiment, the pressure rod is located between two tie rods, and the pressure rod is rotatably connected to the tie rods.

[0007] In one embodiment, a positioning screw is provided in the middle of the bucket lid, and an arc-shaped groove adapted to the surface of the positioning screw is provided on the upper side of the positioning screw. When the pressure rod is rotated to the upper side of the bucket lid to press the bucket lid and the bucket body together, the pressure rod is engaged in the arc-shaped groove.

[0008] In one embodiment, a baffle is also fixedly provided on the upper side of the bucket lid. When the pressure rod rotates to the upper side of the bucket lid to press the bucket lid and the bucket body together, the pull rod abuts against the baffle.

[0009] In one embodiment, the bucket lid is provided with a fixed pin, the upper side of the pin is provided with a positioning hole, the pressure rod is provided with a corresponding through hole, and a ball screw is provided in the through hole. When the pressure rod is rotated to the upper side of the bucket lid to press the bucket lid and the bucket body together, the ball screw is engaged in the positioning hole of the pin.

[0010] In one embodiment, the bottom plate is provided with a water inlet, the side wall of the barrel is provided with a water outlet, and a filter element is provided inside the barrel.

[0011] In one embodiment, a lower protective plate is provided on the lower side of the base plate, the pull rod is fixed to the side of the lower protective plate, an upper protective plate is provided on the upper side of the bucket lid, and the pressure rod is pressed against the upper side of the bucket lid. The lower and upper protective plates are made of stainless steel.

[0012] In one embodiment, the lower protective plate and the upper protective plate are fixed to the bottom plate and the bucket lid respectively by fasteners.

[0013] In one embodiment, the lower protective plate has a connecting hole in the middle corresponding to the water inlet, and the water inlet extends from the connecting hole to the outside of the lower protective plate.

[0014] The aforementioned pull-rod type quick-release filter has its base plate located on the lower side of the barrel body. The pull rod is then rotated to the upper side of the barrel lid, and the pressure rod is also positioned on the upper side of the lid. This allows the lid to be pressed and fixed to the upper side of the barrel body, thus securing the lid, base plate, and barrel body. To disassemble, simply rotate the pull rod and move the pressure rod from the upper side of the lid to remove the filter. Since the base plate, lid, and barrel body are not connected by threads, the filter can be quickly disassembled and installed during use, enabling rapid filter element replacement and convenient operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of the pull-rod type quick-release filter of this utility model;

[0016] Figure 2 This is a schematic diagram of the bottom structure of the pull-rod type quick-release filter of this utility model;

[0017] Figure 3 This is an exploded view of the pull-rod type quick-release filter of this utility model;

[0018] Figure 4 This is an exploded view of the pull-rod type quick-release filter of this utility model;

[0019] The components are as follows: 1. Barrel body; 2. Base plate; 3. Barrel lid; 4. Pull rod; 5. Pressure rod; 6. Rotating shaft; 7. Positioning screw; 71. Arc groove; 8. Baffle plate; 9. Pin; 91. Positioning hole; 10. Water inlet interface; 11. Water outlet interface; 12. Lower protective plate; 13. Upper protective plate. Detailed Implementation

[0020] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below.

[0021] It should be noted that when an element is said to be "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is said to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. Conversely, when an element is said to be "directly on" another element, there is no intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] like Figures 1 to 4 As shown, a pull rod type quick-release filter is characterized by comprising a barrel body 1, with an upper opening and a lower opening at both ends of the barrel body 1, a bottom plate 2 at the lower opening of the barrel body 1, a barrel cover 3 at the upper opening, a rotating pull rod 4 on the outside of the bottom plate 2, and a pressure rod 5 at the end of the pull rod 4, the pressure rod 5 pressing against the upper side of the barrel cover 3.

[0024] The base plate 2 is located on the lower side of the barrel body 1. Then, the pull rod 4 is rotated to the upper side of the barrel cover 3, and the pressure rod 5 is also located on the upper side of the barrel cover 3. In this way, the barrel cover 3 can be pressed and fixed to the upper side of the barrel body 1 by the pressure rod 5, thereby fixing the barrel cover 3, the base plate 2 and the barrel body 1. When it is necessary to disassemble, simply rotate the pull rod 4 and move the pressure rod 5 from the upper side of the barrel cover 3 to disassemble the filter. At this time, the base plate 2, the barrel cover 3 and the barrel body 1 are not connected by threads. During use, the filter can be quickly disassembled and installed, thereby enabling quick replacement of the filter element and convenient operation.

[0025] The pressure rod 5 is connected via the pull rod 4, and the pressure rod 5 acts on the upper side of the lid 3. Therefore, to ensure the stability of the pressure rod 5 when pressing the lid 3, in this embodiment, two pull rods 4 are provided, located on both sides of the base plate 2 respectively. The base plate 2 is provided with a rotating shaft 6 corresponding to the pull rod 4, and the rotating shaft 6 is fixed on the outer side of the base plate 2. The pull rod 4 is rotatably connected to the rotating shaft 6. Furthermore, the pressure rod 5 is located between the two pull rods 4, and the pressure rod 5 is rotatably connected to the pull rod 4. In this way, the two ends of the pressure rod 5 are connected via two pull rods 4 respectively, so that the pressure rod 5 is relatively stable when moving and pressing on the upper side of the lid 3, thereby ensuring the overall stability of the filter after fixing.

[0026] At this time, the pull rod 4 is rotatably connected to the base plate 2 through the rotating shaft 6, so that the pull rod 4 can rotate with the base plate 2, and the pressure rod 5 can rotate with the base plate 2. During the rotation of the pressure rod 5, the pressure rod 5 will rotate to the upper side of the bucket lid 3, and then the bucket lid 3 can be pressed tightly.

[0027] After the lever 4 is rotated to the upper side of the lid 3, the pressure rod 5 needs to be positioned. Otherwise, the pressure rod 5 will move. This ensures that after the pressure rod 5 presses the lid 3, it can press the lid 3 and the body 1 together. Therefore, in this embodiment, the lid 3 is provided with a positioning screw 7 in the middle. The upper side of the positioning screw 7 is provided with an arc groove 71 that is adapted to the surface of the pressure rod 5. When the pressure rod 5 is rotated to the upper side of the lid 3 to press the lid 3 and the body 1 together, the pressure rod 5 is engaged in the arc groove 71. The positioning screw 7 is located in the middle of the passage. After the pressure rod 5 rotates to the upper position of the lid 3, it engages in the arc groove 71 of the positioning screw 7, thereby positioning the pressure rod 5 and preventing it from rotating left and right on the upper side of the lid 3. At the same time, the arc groove 71 of the positioning screw 7 is higher than the upper side of the lid 3. In order to ensure that the pressure rod 5 can be engaged in the arc groove 71, the length of the pull rod 4 is greater than the height of the bucket body 1. In this way, during the rotation of the pull rod 4, the pressure rod 5 at the end of the pull rod 4 will not interfere with the bucket body 1 and the lid 3, thus ensuring that the pressure rod 5 can rotate to the upper position of the lid 3. Moreover, after rotating to the spiral groove of the positioning screw 7 on the upper side of the lid 3, it can be engaged in the arc groove 71, thereby pressing the pressure rod 5 tightly on the upper side of the positioning screw 7.

[0028] During the rotation of the pull rod 4, to prevent the pull rod 4 from rotating too much, in this embodiment, a baffle 8 is also fixedly provided on the upper side of the bucket lid 3. When the pressure rod 5 rotates to the upper side of the bucket lid 3 to press the bucket lid 3 and the bucket body 1 together, the pull rod 4 abuts against the baffle 8. At this time, the baffle 8 is located on the side of the positioning screw 7, and the baffle 8 protrudes from the side of the bucket lid 3 and the bucket body 1. In this way, during the rotation of the pull rod 4, it can be used to limit the rotation of the pull rod 4, so that when the pull rod 4 abuts against the baffle 8, the pressure rod 5 is just locked in the arc groove 71, thereby facilitating operation.

[0029] After the pressure rod 5 is rotated to the upper side of the lid 3, in order to further prevent the pressure rod 5 from rotating, in this embodiment, the lid 3 is provided with a fixing pin 9. The upper side of the pin 9 is provided with a positioning hole 91, and the pressure rod 5 is provided with a corresponding through hole. A ball screw is provided in the through hole. When the pressure rod 5 is rotated to the upper side of the lid 3 to press the lid 3 and the body 1 together, the ball screw is engaged in the positioning hole 91 of the pin 9. The ball screw is fixed in the through hole of the pressure rod 5 by a threaded connection. When it is not necessary to fix the pressure rod 5, the ball screw can be screwed into the through hole of the pressure rod 5, which will not affect the normal use of the pressure rod 5. When it is necessary to press the pressure rod 5 to the upper side of the lid 3, the ball screw is unscrewed until the ball screw abuts against the positioning hole 91 of the lower pin 9. This can further restrict the rotation of the pressure rod 5, thereby fixing the pressure rod 5 to the upper side of the lid 3.

[0030] In order to achieve filtration, in this embodiment, the bottom plate 2 is provided with a water inlet 10, the side wall of the barrel 1 is provided with a water outlet 11, and the barrel 1 is provided with a filter element.

[0031] To improve service life, in this embodiment, a lower protective plate 12 is provided on the lower side of the base plate 2, the pull rod 4 is fixed to the side of the lower protective plate 12, an upper protective plate 13 is provided on the upper side of the lid 3, and the pressure rod 5 is pressed against the upper side of the lid 3. The lower protective plate 12 and the upper protective plate 13 are made of stainless steel. Using stainless steel lower and upper protective plates 12 and 13 avoids direct contact between the pull rod 4 and pressure rod 5, which are subjected to rotational forces, and the filter body. The forces exerted by the pull rod 4 and pressure rod 5 are transmitted to the base plate 2 and lid 3 through the lower and upper protective plates 12 and 13. This reduces the material requirements for the base plate 2 and lid 3, lowers production costs, and extends service life.

[0032] Furthermore, the lower protective plate 12 and the upper protective plate 13 are fixed to the base plate 2 and the bucket lid 3 respectively by fasteners. The lower protective plate 12 and the upper protective plate 13 are fixed to the base plate 2 and the bucket lid 3 respectively, so they belong to the same component as the base plate 2 and the bucket lid 3, thus reducing the number of components and facilitating the operation process.

[0033] Of course, after setting the lower protective plate 12, in order not to affect the normal filter function, in this embodiment, the lower protective plate 12 is provided with a connecting hole corresponding to the water inlet 10 in the middle, and the water inlet 10 extends from the connecting hole to the outside of the lower protective plate 12.

[0034] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0035] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A pull-stem quick disconnect filter, comprising: Including the barrel body, both ends of the barrel body are respectively provided with upper opening and lower opening, the lower opening of the barrel body is provided with the bottom plate, the upper opening is provided with the barrel cover, the outer side of the bottom plate is provided with the rotating pull rod, the end of the pull rod is provided with the pressure rod, the pressure rod is pressed on the upper side of the barrel cover.

2. The pull-stem quick disconnect filter of claim 1, wherein, The pull rod is provided with two, which are respectively located on both sides of the bottom plate, the bottom plate is provided with the rotating shaft corresponding to the pull rod, the rotating shaft is fixed on the outer side of the bottom plate, and the pull rod is rotatably connected with the rotating shaft.

3. The pull-stem quick disconnect filter of claim 2, wherein, The pressure rod is located between the two pull rods, and the pressure rod is rotatably connected with the pull rod.

4. The pull-stem quick disconnect filter of any one of claims 1 to 3, wherein, The middle part of the barrel cover is provided with a positioning screw, the upper side of the positioning screw is provided with an arc-shaped groove matched with the surface of the pressure rod, and the pressure rod is clamped in the arc-shaped groove when the pressure rod is rotated to the upper side of the barrel cover and the barrel cover is pressed tightly with the barrel body.

5. The pull-stem quick disconnect filter of any one of claims 1 to 3, wherein, The upper side of the barrel cover is also fixedly provided with a baffle, and the pull rod abuts against the baffle when the pressure rod is rotated to the upper side of the barrel cover and the barrel cover is pressed tightly with the barrel body.

6. The pull-stem quick disconnect filter of any one of claims 1 to 3, wherein, The barrel cover is provided with a fixed pin, the upper side of the pin is provided with a positioning hole, the pressure rod is provided with a corresponding through hole, the through hole is provided with a wave bead screw, and the wave bead screw is clamped in the positioning hole of the pin when the pressure rod is rotated to the upper side of the barrel cover and the barrel cover is pressed tightly with the barrel body.

7. The pull-stem quick disconnect filter of claim 1, wherein, The bottom plate is provided with a water inlet interface, the sidewall of the barrel body is provided with a water outlet interface, and the barrel body is provided with a filter core.

8. The pull-stem quick disconnect filter of claim 7, wherein, The lower side of the bottom plate is provided with a lower protective plate, the pull rod is fixed on the side edge of the lower protective plate, the upper side of the barrel cover is provided with an upper protective plate, the pressure rod is pressed on the upper side of the barrel cover, and the lower protective plate and the upper protective plate are stainless steel plates.

9. The pull-stem quick disconnect filter of claim 8, wherein, The lower protective plate and the upper protective plate are respectively fixed with the bottom plate and the barrel cover through fasteners.

10. The pull-stem quick disconnect filter of claim 8, wherein, The middle part of the lower protective plate is provided with a communication hole corresponding to the water inlet interface, and the water inlet interface extends from the communication hole position to the outer side of the lower protective plate.

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