Filter for refrigerating machine

Abstract

The utility model discloses a filter for a refrigerating machine. The filter comprises a barrel, a mounting mechanism, a filtering mechanism and a fixing mechanism, the mounting mechanism comprises an air inlet pipe, a movable disc, an inner sleeve, an inner groove, a push handle and a side groove; the filtering mechanism comprises a baffle disc, an inner cylinder, a connecting cylinder, a sealing cover and an exhaust pipe; the fixing mechanism comprises a connecting sleeve, a through hole, a connecting groove and a limiting groove. The sealing cover drives the connecting cylinder and the blocking disc to be inserted into the cylinder body, the blocking disc slides along the inner wall of the cylinder body, the sealing cover drives the sealing ring to be clamped with the sealing groove, the sealing effect of the sealing cover and the cylinder body is improved through the sealing ring and the sealing groove, and the sealing cover drives the clamping block to be inserted into the limiting groove along the connecting groove; the clamping block makes contact with the check block, pushes the pull rod to move upwards and compresses the second spring, when the clamping block and the check block break away from contact, the second spring resets, the clamping block and the check block are clamped with each other, and therefore the sealing cover is convenient to install, fix and disassemble.

Description

Technical Field

[0001] The present application relates to the technical field of refrigerators, and in particular to a filter for refrigerators. Background Art

[0002] A refrigerator is a machine that transfers the heat of a cooled object with a lower temperature to the ambient medium to obtain cooling capacity. The refrigerant filters used in refrigerators and other refrigerators all use single-layer filters.

[0003] The patent specification with publication number CN2090951 discloses a filter for refrigerators with two or more filter layers. The filter for refrigerators has a cylindrical barrel with two ends thinner than the middle section. An inlet filter screen is provided at the upper end of the barrel to prevent the molecular sieve from escaping. The pore size of the mesh is 0.5-1 mm, and the total area of ​​the holes is more than twice the cross-sectional area of ​​the inlet pipe. In the middle of the barrel is a molecular sieve that can filter out impurities in the refrigerant and absorb moisture therein. The particle diameter of the molecular sieve is 2-3 mm. A coarse filter screen is provided at the lower end of the molecular sieve, and a fine filter screen is provided at the lower end of the coarse filter screen.

[0004] The above-mentioned existing technical solutions have shortcomings. The current filters are mainly welded by the cylinder, and then a filter screen is added inside to filter the dust. This type of filter is not convenient to disassemble and clean the filter screen. At the same time, the filtering effect of the single-layer filter screen is poor. Therefore, a filter for a refrigerator is proposed to solve the above problems. Summary of the invention

[0005] In this embodiment, a filter for a refrigerator is provided to address the deficiencies of the prior art solutions, namely, the problem that the filter which adds a filter net inside to filter dust is not convenient to disassemble and clean, and the filtering effect of a single-layer filter net is poor.

[0006] According to one aspect of the present application, there is provided a filter for a refrigerator, comprising a cylinder, a mounting mechanism, a filtering mechanism and a fixing mechanism;

[0007] The mounting mechanism comprises an air inlet pipe, a movable disk, an inner sleeve, an inner groove, a push handle and a side groove. One end of the cylinder is connected to the air inlet pipe. The interior of the cylinder is slidably connected to the movable disk. Both ends of the movable disk are provided with inner grooves. The interior of the inner groove is fixedly connected to the inner sleeve.

[0008] The filtering mechanism comprises a baffle, an inner cylinder, a connecting cylinder, a sealing cover and an exhaust pipe, wherein the interior of the cylinder is slidably connected to the baffle, one end of the baffle is fixedly connected to the connecting cylinder, an inner cylinder is installed at the center of the connecting cylinder and the baffle, one end of the connecting cylinder is fixedly connected to the sealing cover, and one end of the sealing cover is connected to the exhaust pipe;

[0009] The fixing mechanism comprises a connecting sleeve, a through hole, a connecting groove and a limiting groove. The outer wall of the cylinder is fixedly connected to the connecting sleeve. The connecting sleeve is provided with a limiting groove inside. The top of the connecting sleeve is provided with a through hole.

[0010] Furthermore, the interior of the inner groove is fixedly connected to the inner sleeve, the center of the inner sleeve is slidably connected to the movable rod, one end of the movable rod is fixedly connected to the positioning block, and the positioning block is slidably connected to the interior of both ends of the movable disk.

[0011] Furthermore, one end of the movable rod is fixedly connected to a push handle, and the push handle is slidably connected to a side groove, and the side groove is opened inside one end of the movable disk.

[0012] Furthermore, a first spring is sleeved on the outer side of the movable rod, one end of the first spring is fixedly connected to one end of the positioning block, and the other end of the first spring is fixedly connected to one end side wall of the inner sleeve.

[0013] Furthermore, a positioning groove is provided on the inner wall of the cylinder, and the positioning groove is engaged with a positioning block.

[0014] Furthermore, the central thread of the movable disk is connected to a threaded sleeve, and a filter screen is installed inside the threaded sleeve.

[0015] Furthermore, both end side walls of the inner cylinder are provided with equidistantly distributed micropores, and a molecular sieve is installed inside the inner cylinder.

[0016] Furthermore, an annular sealing groove is provided on the side wall at one end of the cylinder, a sealing ring is engaged and connected inside the sealing groove, and the sealing ring is installed at one end of the sealing cover, and the inner diameter of the sealing ring is larger than the inner diameter of the cylinder.

[0017] Furthermore, the sealing cover is sleeved on one end side wall of the cylinder body, one end of the sealing cover is fixedly connected to a clamping block, the clamping block is slidably connected to a connecting groove, the connecting groove is arranged on one end side wall of the connecting sleeve, and the connecting groove is connected to the limiting groove.

[0018] Furthermore, the inside of the through hole is slidably connected to a pull rod, the pull rod passes through the through hole and is fixedly connected to a block, the top of the block is fixedly connected to one end of a second spring, the other end of the second spring is fixedly connected to the inner wall of the limiting groove, the second spring is sleeved on the outside of the pull rod, the clamping block and the block are engaged with each other, and both the clamping block and the block are located inside the limiting groove.

[0019] Through the above-mentioned embodiments of the present application, the filter screen is fixed to the movable disk thread by the threaded sleeve, and then the push handle is pulled, the push handle drives the movable rod to slide along the inner sleeve, the movable rod drives the positioning block to move down and enter the inner groove, the positioning block drives the first spring to compress and accumulate force, and then the movable disk drives the filter screen to be pushed into the cylinder body. When the movable disk reaches the position, the first spring resets and pushes the positioning block into the positioning groove, so that the movable disk can be quickly installed, which is convenient for later disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] 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 embodiments or the description of the prior art 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 creative labor.

[0021] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an embodiment of the present application;

[0022] Figure 2 This is a schematic diagram of the overall structure of an embodiment of the present application;

[0023] Figure 3 This is a schematic diagram of the positions of a support plate, a partition, a limiting groove, a limiting block and a spring according to an embodiment of the present application.

[0024] In the figure: 1. cylinder; 2. air inlet pipe; 3. movable disk; 4. positioning groove; 5. positioning block; 6. inner sleeve; 7. inner groove; 8. first spring; 9. movable rod; 10. push handle; 11. side groove; 12. threaded sleeve; 13. filter screen; 14. baffle plate; 15. inner cylinder; 16. micropores; 17. molecular sieve; 18. connecting cylinder; 19. sealing cover; 20. sealing groove; 21. sealing ring; 22. exhaust pipe; 23. connecting sleeve; 24. through hole; 25. pull rod; 26. second spring; 27. connecting groove; 28. block; 29. ​​baffle; 30. limiting groove. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0026] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0027] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0028] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0029] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0030] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0031] See also Figure 1-3 As shown, a filter for a refrigerator includes a cylinder 1 and a mounting mechanism, a filtering mechanism and a fixing mechanism;

[0032] The mounting mechanism comprises an air inlet pipe 2, a movable disk 3, an inner sleeve 6, an inner groove 7, a push handle 10 and a side groove 11. One end of the cylinder 1 is connected to the air inlet pipe 2, the interior of the cylinder 1 is slidably connected to the movable disk 3, and both ends of the movable disk 3 are provided with inner grooves 7, and the interior of the inner groove 7 is fixedly connected to the inner sleeve 6;

[0033] The filtering mechanism comprises a baffle 14, an inner cylinder 15, a connecting cylinder 18, a sealing cover 19 and an exhaust pipe 22. The interior of the cylinder body 1 is slidably connected to the baffle 14, one end of the baffle 14 is fixedly connected to the connecting cylinder 18, the inner cylinder 15 is installed at the center of the connecting cylinder 18 and the baffle 14, one end of the connecting cylinder 18 is fixedly connected to the sealing cover 19, and one end of the sealing cover 19 is connected to the exhaust pipe 22;

[0034] The fixing mechanism includes a connecting sleeve 23, a through hole 24, a connecting groove 27 and a limiting groove 30. The outer wall of the cylinder 1 is fixedly connected to the connecting sleeve 23. The connecting sleeve 23 has a limiting groove 30 inside. The connecting sleeve 23 has a through hole 24 on its top.

[0035] By threading the filter screen 13 with the movable disk 3 through the threaded sleeve 12, and then pulling the push handle 10, the push handle 10 drives the movable rod 9 to slide along the inner sleeve 6, the movable rod 9 drives the positioning block 5 to move down and enter the inner groove 7, the positioning block 5 drives the first spring 8 to compress and accumulate force, and then the movable disk 3 drives the filter screen 13 to be pushed into the cylinder 1. When the movable disk 3 reaches the position, the first spring 8 resets and pushes the positioning block 5 to insert into the positioning groove 4, so that the movable disk 3 can be quickly installed, which is convenient for later disassembly and maintenance.

[0036] The interior of the inner groove 7 is fixedly connected to the inner sleeve 6, and the center of the inner sleeve 6 is slidably connected to the movable rod 9, one end of the movable rod 9 is fixedly connected to the positioning block 5, and the positioning block 5 is slidably connected to the inside of both ends of the movable disk 3; one end of the movable rod 9 is fixedly connected to the push handle 10, and the push handle 10 is slidably connected to the side groove 11, and the side groove 11 is opened inside one end of the movable disk 3; the outer side of the movable rod 9 is sleeved with a first spring 8, one end of the first spring 8 is fixedly connected to one end of the positioning block 5, and the other end of the first spring 8 is fixedly connected to the side wall of one end of the inner sleeve 6; the inner wall of the cylinder 1 is provided with a positioning groove 4, and the positioning groove 4 is snap-connected to the positioning block 5; the center of the movable disk 3 is threadedly connected to the threaded sleeve 12, and a filter screen 13 is installed inside the threaded sleeve 12; the side walls of both ends of the inner cylinder 15 are provided with equidistantly distributed micropores 16, and the interior of the inner cylinder 15 is installed with a molecular sieve 17; one end of the cylinder 1 An annular sealing groove 20 is provided on the side wall, and a sealing ring 21 is engaged inside the sealing groove 20. The sealing ring 21 is installed at one end of the sealing cover 19, and the inner diameter of the sealing ring 21 is greater than the inner diameter of the cylinder 1; the sealing cover 19 is sleeved on one end side wall of the cylinder 1, and one end of the sealing cover 19 is fixedly connected to a block 28, and the block 28 is slidably connected to the connecting groove 27, and the connecting groove 27 is provided on one end side wall of the connecting sleeve 23, and the connecting groove 27 is connected to the limiting groove 30; the inside of the through hole 24 is slidably connected to the pull rod 25, and the pull rod 25 passes through the through hole 24 and is fixedly connected to the block 29, and the top end of the block 29 is fixedly connected to one end of the second spring 26, and the other end of the second spring 26 is fixedly connected to the inner wall of the limiting groove 30, and the second spring 26 is sleeved on the outside of the pull rod 25, and the block 28 and the block 29 are engaged with each other, and the block 28 and the block 29 are both located inside the limiting groove 30.

[0037] When the present application is in use, the filter screen 13 is firstly fixed with the movable disk 3 by the threaded sleeve 12, and then the push handle 10 is pulled, and the push handle 10 drives the movable rod 9 to slide along the inner sleeve 6, and the movable rod 9 drives the positioning block 5 to move down and enter the inner groove 7, and the positioning block 5 drives the first spring 8 to compress and store force, and then the movable disk 3 drives the filter screen 13 to be pushed into the cylinder body 1. When the movable disk 3 reaches the position, the first spring 8 resets and pushes the positioning block 5 to be inserted into the positioning groove 4, so that the movable disk 3 can be quickly installed, which is convenient for later disassembly and maintenance. Then the sealing cover 19 drives the connecting cylinder 18 and the baffle plate 14 to be inserted into the cylinder body 1, and the baffle plate 14 slides along the inner wall of the cylinder body 1, and the sealing cover 19 drives the sealing ring 21 to engage with the sealing groove 20. The sealing effect between the sealing cover 19 and the cylinder 1 is improved by the sealing ring 21 and the sealing groove 20. The sealing cover 19 drives the block 28 to be inserted into the limit groove 30 along the connecting groove 27. The block 28 contacts the block 29 and pushes the pull rod 25 to move upward and compress the second spring 26. When the block 28 is out of contact with the block 29, the second spring 26 is reset, and the block 28 and the block 29 are engaged with each other, so as to facilitate the installation and fixation of the sealing cover 19 and facilitate disassembly. By setting the filter screen 13 with different mesh apertures, it is convenient to filter coarser impurities. By setting the micropores 16, the inner cylinder 15 and the molecular sieve 17, it is convenient to intercept and filter smaller impurities, thereby ensuring the normal circulation of the refrigeration system.

[0038] The benefits of this application are:

[0039] 1. The application is simple to operate. By pulling the push handle, the push handle drives the movable rod to slide along the inner sleeve, the movable rod drives the positioning block to move down and enter the inner groove, the positioning block drives the first spring to compress and store force, and then the movable disk drives the filter screen to be pushed into the cylinder. When the movable disk reaches the position, the first spring resets and pushes the positioning block into the positioning groove, so that the movable disk can be quickly installed, which is convenient for later disassembly and maintenance;

[0040] 2. The structure of the present application is reasonable. The sealing cover drives the connecting cylinder and the baffle plate to be inserted into the cylinder body. The baffle plate slides along the inner wall of the cylinder body. The sealing cover drives the sealing ring to engage with the sealing groove. The sealing effect between the sealing cover and the cylinder body is improved by the sealing ring and the sealing groove. The sealing cover drives the clamping block to be inserted into the limiting groove along the connecting groove. The clamping block contacts the baffle and pushes the pull rod to move upward and compresses the second spring. When the clamping block is out of contact with the baffle, the second spring is reset, and the clamping block engages with the baffle, thereby facilitating the installation and fixation of the sealing cover and facilitating disassembly.

[0041] 3. The structure of the present application is reasonable. The filter net is provided to facilitate filtering of coarser impurities, and the micropores, inner cylinder and molecular sieve are provided to facilitate interception and filtering of smaller impurities, thereby ensuring the normal circulation of the refrigeration system.

[0042] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A filter for a refrigerator, comprising a cylinder (1) and a mounting mechanism, a filtering mechanism and a fixing mechanism, characterized in that: The mounting mechanism comprises an air intake pipe (2), a movable disk (3), an inner sleeve (6), an inner groove (7), a push handle (10) and a side groove (11); one end of the cylinder (1) is connected to the air intake pipe (2); the interior of the cylinder (1) is slidably connected to the movable disk (3); both ends of the movable disk (3) are provided with inner grooves (7); the interior of the inner groove (7) is fixedly connected to the inner sleeve (6); The filtering mechanism comprises a baffle (14), an inner cylinder (15), a connecting cylinder (18), a sealing cover (19) and an exhaust pipe (22); the interior of the cylinder (1) is slidably connected to the baffle (14); one end of the baffle (14) is fixedly connected to the connecting cylinder (18); the inner cylinder (15) is installed at the center of the connecting cylinder (18) and the baffle (14); one end of the connecting cylinder (18) is fixedly connected to the sealing cover (19); and one end of the sealing cover (19) is connected to the exhaust pipe (22); The fixing mechanism comprises a connecting sleeve (23), a through hole (24), a connecting groove (27) and a limiting groove (30); the outer wall of the cylinder (1) is fixedly connected to the connecting sleeve (23); the limiting groove (30) is provided inside the connecting sleeve (23); and the through hole (24) is provided on the top of the connecting sleeve (23).

2. A filter for a refrigerator according to claim 1, characterized in that: The interior of the inner groove (7) is fixedly connected to the inner sleeve (6), the center of the inner sleeve (6) is slidably connected to the movable rod (9), one end of the movable rod (9) is fixedly connected to the positioning block (5), and the positioning block (5) is slidably connected to the interior of both ends of the movable disk (3).

3. A filter for refrigerator according to claim 2, characterized in that: One end of the movable rod (9) is fixedly connected to a push handle (10), and the push handle (10) is slidably connected to a side groove (11), and the side groove (11) is opened inside one end of the movable disk (3).

4. A filter for a refrigerator according to claim 2, characterized in that: A first spring (8) is sleeved on the outer side of the movable rod (9), one end of the first spring (8) is fixedly connected to one end of the positioning block (5), and the other end of the first spring (8) is fixedly connected to a side wall of one end of the inner sleeve (6).

5. A filter for refrigerator according to claim 1, characterized in that: The inner wall of the cylinder (1) is provided with a positioning groove (4), and the positioning groove (4) is snap-connected with a positioning block (5).

6. A filter for refrigerator according to claim 1, characterized in that: The central thread of the movable disk (3) is connected to a threaded sleeve (12), and a filter screen (13) is installed inside the threaded sleeve (12).

7. A filter for a refrigerator according to claim 1, characterized in that: The side walls at both ends of the inner cylinder (15) are provided with micropores (16) distributed at equal intervals, and a molecular sieve (17) is installed inside the inner cylinder (15).

8. The filter for refrigerator according to claim 1, characterized in that: An annular sealing groove (20) is formed on a side wall at one end of the cylinder (1), and a sealing ring (21) is engaged and connected inside the sealing groove (20). The sealing ring (21) is installed on one end of the sealing cover (19), and the inner diameter of the sealing ring (21) is larger than the inner diameter of the cylinder (1).

9. A filter for a refrigerator according to claim 1, characterized in that: The sealing cover (19) is sleeved on one end side wall of the cylinder body (1); one end of the sealing cover (19) is fixedly connected to a clamping block (28); the clamping block (28) is slidably connected to a connecting groove (27); the connecting groove (27) is provided on one end side wall of the connecting sleeve (23); and the connecting groove (27) is connected to a limiting groove (30).

10. A filter for a refrigerator according to claim 9, characterized in that: The pull rod (25) is slidably connected inside the through hole (24), and the pull rod (25) passes through the through hole (24) and is fixedly connected to a stop block (29). The top end of the stop block (29) is fixedly connected to one end of a second spring (26), and the other end of the second spring (26) is fixedly connected to the inner wall of the limiting groove (30). The second spring (26) is sleeved on the outside of the pull rod (25), and the clamping block (28) and the stop block (29) are engaged with each other. The clamping block (28) and the stop block (29) are both located inside the limiting groove (30).

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