Air dryer filter element easy to assemble

Abstract

The utility model relates to the technical field of air dryers, in particular to an air dryer filter element easy to assemble, which comprises a lower support cover, an inner barrel is sleeved outside the lower support cover, a molecular sieve is filled in the inner barrel, an oil-gas separation paper tube is sleeved on the outer side wall of the inner barrel, a retainer ring is wound on the outer side wall of the oil-gas separation paper tube, and a filter element is arranged on the inner barrel. The top of the inner barrel is sleeved with an upper cover, the bottom of the inner barrel is sleeved with a bottom cover, an air outlet is formed in the top of the inner barrel, and a first air inlet is formed in the top of the upper cover. The top and the bottom of the inner barrel are sleeved with the upper cover and the bottom cover respectively, the first male buckle is inserted into the first female buckle to be clamped and fixed, assembling can be completed, tools are not needed, the process is simple and rapid, the assembling efficiency is improved, and production and use of the air dryer are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of air dryers, in particular to an easily assembled air dryer filter element. Background Art

[0002] The air dryer is one of the air handling units of the truck compressed air brake system. Its function is to purify and dry the compressed air of the brake system to prevent the air handling system from freezing and rusting, thereby increasing the service life of the brake system and improving the effectiveness and safety performance of the brake system.

[0003] In the process of using the current air dryer, it is very inconvenient to remove and replace the filter element, which is not conducive to assembly production and reduces the production efficiency of the air dryer. Therefore, an easy-to-assemble air dryer filter element is proposed. Utility Model Content

[0004] In view of this, the utility model provides an easy-to-assemble air dryer filter element to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0005] The technical solution of the utility model is achieved as follows: an easy-to-assemble air dryer filter element, comprising a lower support cover, the outer part of the lower support cover is sleeved with an inner barrel, the interior of the inner barrel is filled with a molecular sieve, the outer side wall of the inner barrel is sleeved with an oil-gas separation paper tube, the outer side wall of the oil-gas separation paper tube is surrounded by a clamping ring, the top of the inner barrel is sleeved with an upper cover, the bottom of the inner barrel is sleeved with a bottom cover, the top of the inner barrel is provided with an air outlet, the top of the upper cover is provided with a first air inlet, and the bottom of the bottom cover is provided with a second air inlet.

[0006] Further preferably, the inner bottom wall of the lower support cover is fixedly connected with a first non-woven fabric, and the inner top wall of the inner barrel is fixedly connected with a second non-woven fabric.

[0007] Further preferably, a first limiting sleeve is fixedly connected to the bottom of the lower support cover, a second limiting sleeve is fixedly connected to the inner bottom wall of the bottom cover, and springs are provided inside the first limiting sleeve and the second limiting sleeve.

[0008] Further preferably, a plurality of first male buckles are integrally formed on the top of the bottom cover, and a plurality of first female buckles are fixedly connected to the lower surface of the upper cover, the first female buckles correspond to the first male buckles, and the first female buckles are snap-connected with the first male buckles.

[0009] Further preferably, one end of the clamp ring is symmetrically fixedly connected with two second male buckles, the outer side wall of the clamp ring is symmetrically fixedly connected with two second female buckles, and the second female buckles are clamped with the second male buckle.

[0010] Further preferably, a first sealing ring is nested on the inner side wall of the top of the inner barrel, and a second sealing ring is nested on the outer side wall of the upper cover.

[0011] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0012] During the use of the utility model, it is only necessary to sleeve the oil-gas separation paper tube on the outside of the inner barrel and fix it by clamping it with a clamping ring, then fill the molecular sieve into the inner barrel, sleeve the upper cover and the bottom cover on the top and bottom of the inner barrel respectively, insert the first male buckle into the first female buckle and fix them by clamping, and the assembly can be completed without the aid of tools. The process is simple and quick, which improves the assembly efficiency and is beneficial to the production and use of the air dryer.

[0013] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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 work.

[0015] Figure 1 This is a structural diagram of the easy-to-assemble air dryer filter element of the utility model;

[0016] Figure 2 It is a cross-sectional structural diagram of the utility model;

[0017] Figure 3 It is the exploded structure diagram of the utility model;

[0018] Figure 4 This is a structural diagram of the lower support cover of the utility model;

[0019] Figure 5 This is a structural diagram of the oil-gas separation paper tube and the clamp ring of the utility model;

[0020] Figure 6 This is a structural diagram of the inner barrel of the utility model;

[0021] Figure 7 It is a structural diagram of the bottom cover of the utility model.

[0022] Figure numerals: 1. lower support cover; 2. first limiting sleeve; 3. inner barrel; 4. molecular sieve; 5. first non-woven fabric; 6. second non-woven fabric; 7. oil-gas separation paper tube; 8. clamping ring; 9. upper cover; 10. first female buckle; 11. bottom cover; 12. first male buckle; 13. second limiting sleeve; 14. spring; 15. air outlet; 16. first air inlet; 17. first sealing ring; 18. second sealing ring; 19. second air inlet; 20. second female buckle; 21. second male buckle. DETAILED DESCRIPTION

[0023] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0024] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0025] like Figure 1-7 As shown, the embodiment of the utility model provides an easy-to-assemble air dryer filter element, including a lower support cover 1, the outer part of the lower support cover 1 is sleeved with an inner barrel 3, the interior of the inner barrel 3 is filled with a molecular sieve 4, the outer wall of the inner barrel 3 is sleeved with an oil-gas separation paper tube 7, the outer wall of the oil-gas separation paper tube 7 is surrounded by a clamping ring 8, the top of the inner barrel 3 is sleeved with an upper cover 9, the bottom of the inner barrel 3 is sleeved with a bottom cover 11, the top of the inner barrel 3 is provided with an air outlet 15, the top of the upper cover 9 is provided with a first air inlet 16, and the bottom of the bottom cover 11 is provided with a second air inlet 19.

[0026] In one embodiment, the inner bottom wall of the lower support cover 1 is fixedly connected with a first non-woven fabric 5, and the inner top wall of the inner barrel 3 is fixedly connected with a second non-woven fabric 6; by setting the first non-woven fabric 5 and the second non-woven fabric 6 at the bottom and top of the molecular sieve 4, the powder produced by the pressure of the molecular sieve 4 is prevented from entering the braking system.

[0027] In one embodiment, the bottom of the lower support cover 1 is fixedly connected with a first limiting sleeve 2, the inner bottom wall of the bottom cover 11 is fixedly connected with a second limiting sleeve 13, and a spring 14 is provided inside the first limiting sleeve 2 and the second limiting sleeve 13; through the setting of the spring 14, the bottom cover 11 is sleeved on the bottom of the inner barrel 3, and the second limiting sleeve 13 on the bottom cover 11 is sleeved on the spring 14 in the first limiting sleeve 2, and the reverse thrust of the spring 14 squeezes the bottom cover 11 to fix the position of the bottom cover 11, thereby improving the stability of the bottom cover 11, and the spring 14 squeezes the molecular sieve 4 in the lower support cover 1, so that the molecular sieve 4 is tighter and the filtering effect is improved.

[0028] In one embodiment, a plurality of first male buckles 12 are integrally formed on the top of the bottom cover 11, and a plurality of first female buckles 10 are fixedly connected to the lower surface of the upper cover 9, and the first female buckle 10 corresponds to the first male buckle 12, and the first female buckle 10 is snap-fitted with the first male buckle 12; through the setting of the first female buckle 10, when the upper cover 9 and the bottom cover 11 are respectively sleeved on the top and bottom of the inner barrel 3, the first male buckle 12 on the bottom cover 11 is inserted into the first female buckle 10 to fix the positions of the bottom cover 11 and the upper cover 9.

[0029] In one embodiment, one end of the clamping ring 8 is symmetrically fixedly connected with two second buckle male buckles 21, and the outer wall of the clamping ring 8 is symmetrically fixedly connected with two second buckle female buckles 20, and the second buckle female buckle 20 is clamped with the second buckle male buckle 21; through the setting of the clamping ring 8, after the clamping ring 8 is wrapped around the oil-gas separation paper tube 7, the second buckle male buckle 21 is inserted into the second buckle female buckle 20 to fix the position of the oil-gas separation paper tube 7.

[0030] In one embodiment, a first sealing ring 17 is embedded in the inner wall of the top of the inner barrel 3, and a second sealing ring 18 is embedded in the outer wall of the upper cover 9; the first sealing ring 17 is provided to improve the sealing performance between the upper cover 9 and the inner barrel 3, and the second sealing ring 18 is provided to improve the sealing performance of the outer shell of the inner barrel 3.

[0031] When the utility model is in operation: first, the oil-gas separation paper tube 7 is sleeved on the outside of the inner barrel 3, and then the clamping ring 8 is wound around the oil-gas separation paper tube 7, and then the second plug-in male buckle 21 is inserted into the second plug-in female buckle 20 to fix the position of the oil-gas separation paper tube 7, and then the molecular sieve 4 is filled into the inner barrel 3, and the lower support cover 1 is covered on the opening of the inner barrel 3, and then the upper cover 9 and the bottom cover 11 are respectively sleeved on the top and bottom of the inner barrel 3, and the second limiting sleeve 13 on the bottom cover 11 is sleeved on the spring 14 in the first limiting sleeve 2, and the first plug-in male buckle 12 on the bottom cover 11 is inserted into the first plug-in female buckle 10 to fix the positions of the bottom cover 11 and the upper cover 9.

[0032] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An easy-to-assemble air dryer filter element, characterized in that: The invention comprises a lower support cover (1), the outer part of which is sleeved with an inner barrel (3), the interior of which is filled with a molecular sieve (4), the outer wall of which is sleeved with an oil-gas separation paper tube (7), the outer wall of which is surrounded by a clamping ring (8), the top of which is sleeved with an upper cover (9), the bottom of which is sleeved with a bottom cover (11), the top of which is provided with an air outlet (15), the top of which is provided with a first air inlet (16), and the bottom of which is provided with a second air inlet (19).

2. The easy-to-assemble air dryer filter element according to claim 1, characterized in that: The inner bottom wall of the lower support cover (1) is fixedly connected to a first non-woven fabric (5), and the inner top wall of the inner barrel (3) is fixedly connected to a second non-woven fabric (6).

3. The easy-to-assemble air dryer filter element according to claim 1, characterized in that: The bottom of the lower support cover (1) is fixedly connected to a first limiting sleeve (2), the inner bottom wall of the bottom cover (11) is fixedly connected to a second limiting sleeve (13), and springs (14) are provided inside the first limiting sleeve (2) and the second limiting sleeve (13).

4. The easy-to-assemble air dryer filter element according to claim 1, characterized in that: The top of the bottom cover (11) is integrally formed with a plurality of first male buckles (12), and the lower surface of the upper cover (9) is fixedly connected with a plurality of first female buckles (10), wherein the first female buckles (10) correspond to the first male buckles (12), and the first female buckles (10) are snap-connected with the first male buckles (12).

5. The easy-to-assemble air dryer filter element according to claim 1, characterized in that: One end of the clamp ring (8) is symmetrically fixedly connected with two second male buckles (21), and the outer side wall of the clamp ring (8) is symmetrically fixedly connected with two second female buckles (20), and the second female buckles (20) are clamped with the second male buckles (21).

6. The easy-to-assemble air dryer filter element according to claim 1, characterized in that: A first sealing ring (17) is embedded in the inner side wall of the top of the inner barrel (3), and a second sealing ring (18) is embedded in the outer side wall of the upper cover (9).

Images