Air dryer convenient to assemble

Abstract

The utility model relates to an air dryer, in particular to an air dryer convenient to assemble, which comprises an upper cover and a base, the base is provided with buckling strips at intervals along the circumferential direction, the upper cover is connected with the buckling strips in a buckling mode, the upper cover is provided with clamping grooves in the circumferential direction, and the buckling strips extend into the clamping grooves. The buckling strip is connected with the groove wall of the clamping groove in a buckling mode, the buckling strip is sleeved with the clamping groove in the assembling process, assembling can be completed by pressing the upper cover, assembling is rapid, and the structure is simple. Adjacent clamping grooves can act synchronously, and buckling connection of multiple sets of openings and buckling protrusions is completed through one-time pressing.

Description

TECHNICAL FIELD

[0001] The utility model relates to an air dryer, in particular to an air dryer which is convenient to assemble. BACKGROUND

[0002] An existing air dryer comprises an inner shell, an inner shell cover, an upper cover and a base, the upper cover and the base are respectively provided with a buckle strip and are connected through the buckle strip, during assembly, the inner shell is connected with the base first, then the inner shell cover is put in, a compression spring is put on the inner shell cover, and finally the upper cover is put on the compression spring, the compression state of the spring needs to be kept during buckle connection, which is time-consuming and laborious. SUMMARY

[0003] In view of the technical problems in the background art, the utility model aims to provide an air dryer which is convenient to assemble, the buckle strip is sleeved on the buckle groove, and buckle connection of the upper cover and the base can be completed by pressing the upper cover, which is quick and convenient to assemble.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the air dryer which is convenient to assemble comprises an upper cover and a base, the base is provided with buckle strips at intervals in the circumferential direction, the upper cover is buckle-connected with the buckle strips, wherein the upper cover is provided with buckle grooves in the circumferential direction for the buckle strips to extend into, and the buckle strips are buckle-connected with the groove walls of the buckle grooves.

[0005] In this scheme, the buckle groove is sleeved on the buckle strip during assembly, and assembly can be completed by pressing the upper cover, which is quick and convenient to assemble and simple in structure.

[0006] Preferably, the upper cover and the base form an air passage, an inner shell is arranged in the air passage, the inner shell is connected with the base, one end of the inner shell is provided with an inner shell cover, a compression spring is arranged between the inner shell cover and the upper cover, an air inlet is arranged on the inner shell cover, the inner shell cover and the inner shell form a filter cavity, and filter elements are arranged in the filter cavity.

[0007] In this scheme, the inner shell cover does not need to be fixed by glue and can adapt to a high-temperature and high-pressure working environment.

[0008] Preferably, the base is provided with an air inlet and an air outlet, the air inlet is arranged around the air outlet, the other end of the inner shell is provided with a ring-shaped protrusion and an air outlet, the ring-shaped protrusion is arranged around the air outlet, and a ring groove is arranged between the air inlet and the air outlet for the ring-shaped protrusion to be inserted into.

[0009] In this scheme, the ring-shaped protrusion is inserted into the ring groove to complete connection of the inner shell and the base.

[0010] Preferably, the other end of the inner shell is provided with a limiting protrusion, the limiting protrusion is arranged around the annular protrusion, and the inner side of the base is provided with limiting blocks which are spaced apart in the circumferential direction, and the limiting protrusions are arranged to extend into the limiting blocks.

[0011] In this scheme, the limiting blocks limit the rotation of the inner shell relative to the base through the limiting protrusions.

[0012] Preferably, the outer side of the clamping strip is provided with a clamping protrusion, the outer groove wall of the clamping groove is provided with an opening for clamping the clamping protrusion, and the clamping grooves are arranged in the circumferential direction of the upper cover.

[0013] In this scheme, the clamping protrusion is clamped into the opening to complete the clamping connection of the upper cover and the base, and the clamping grooves arranged at intervals are used for positioning the upper cover during assembly.

[0014] Preferably, the utility model also comprises a cover shell, the cover shell covers the upper cover and the base, and the base is provided with a supporting table for supporting the cover shell.

[0015] In this scheme, the cover shell covers the upper cover and the base to complete the sealing of the air passage.

[0016] Preferably, the outer groove walls of adjacent clamping grooves are connected in the circumferential direction of the upper cover, and the bottom end lines of the upper cover are continuous in the circumferential direction.

[0017] In this scheme, the adjacent clamping grooves can act synchronously, and the clamping connection of multiple groups of openings and clamping protrusions can be completed by one pressing.

[0018] Preferably, the clamping strip is higher than the inner shell.

[0019] In this scheme, the distance from the force point to the clamping connection point is short, and the clamping connection can be completed by one pressing.

[0020] The utility model discloses a clamping groove and a clamping strip are arranged on the upper cover, the clamping groove is arranged in the circumferential direction of the upper cover, the clamping strip is arranged on the base, and the clamping groove is arranged to clamp the clamping strip. ACCURATE DRAWINGS

[0021] The related details and working principles of the embodiments of the utility model will be described below in combination with the drawings.

[0022] Figure 1 It is a perspective view of the utility model.

[0023] Figure 2 It is a sectional view of the utility model.

[0024] Figure 3 It is a perspective view of the upper cover in the utility model.

[0025] Figure 4 It is the three-dimensional structure schematic view of the base in the utility model.

[0026] Figure 5 It is the three-dimensional structure schematic view of the inner container shell in the utility model.

[0027] In the drawing: 1, upper cover; 2, base; 3, buckle strip; 4, clamping groove; 5, air passage; 6, inner container shell; 7, inner container cover; 8, filter cavity; 9, air inlet; 10, air outlet; 11, annular protrusion; 12, air outlet; 13, ring groove; 14, limiting protrusion; 15, limiting block; 16, buckle protrusion; 17, opening; 18, supporting table. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by those skilled in the art based on the embodiments in the utility model without creative labor belong to the scope of protection of the utility model.

[0029] In the description of the present application, it should be understood that the terms "upper", "lower" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0030] In the description of the present application, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated.

[0031] Referring to the drawings Figures 1-4 , the embodiment of the present embodiment is a kind of air dryer that is easy to assemble, including upper cover 1 and base 2, the buckle strip 3 is arranged at the base 2 along the circumference, the upper cover 1 is buckled with the buckle strip 3, the upper cover 1 and the base 2 form air passage 5, the inner container shell 6 is arranged in the air passage 5, the inner container shell 6 is connected with the base 2, one end of the inner container shell 6 is provided with inner container cover 7, compression spring is arranged between the inner container cover 7 and the upper cover 1, air inlet is arranged on the inner container cover 7, the inner container cover 7 and the inner container shell 6 form filter cavity 8, filter core is distributed in the filter cavity 8.

[0032] Among them, the card slots 4 are arranged at intervals along the circumference of the upper cover 1, and a card protrusion 16 is provided on the outer side of the card slot 3. The outer groove wall of the card slot 4 is provided with an opening 17 for the card protrusion 16 to be snapped in. It also includes a cover shell, which is provided on the upper cover 1 and the base 2. The base 2 is provided with a support 18 for supporting the cover shell. The outer groove walls of adjacent card slots 4 are connected in the circumferential direction of the upper cover 1, and the bottom end edge line of the upper cover 1 is continuous in the circumferential direction. The card slot 3 is higher than the inner shell 6.

[0033] In this embodiment, during assembly, the inner liner shell 6 is first connected to the base 2, the filter element is placed in the inner liner shell 6, and then the inner liner cover 7 is covered. A compression spring is placed on the inner liner cover 7, the upper cover 1 is covered and the snap strip 3 is extended into the slot 4, the upper cover 1 is pressed, the compression spring is compressed and the snap protrusion 16 is snapped into the opening 17, and finally the cover shell is covered. A groove can be provided on the inner liner cover 7 for placing the compression spring, and a mounting column can also be provided for the compression spring to be mounted; the inner groove wall of the slot 4 can be shorter than the outer groove wall for easy assembly.

[0034] In other alternative embodiments, the snap protrusion 16 may be provided on the upper cover 1 , and the opening 17 may be provided on the snap strip 3 .

[0035] See attached Figures 4-5 The base 2 is provided with an air inlet 9 and an air outlet 10, and the air inlet 9 is arranged around the air outlet 10. The other end of the inner shell 6 is provided with an annular protrusion 11 and an air outlet 12, and the annular protrusion 11 is arranged around the air outlet 12. A ring groove 13 for inserting the annular protrusion 11 is provided between the air inlet 9 and the air outlet 10. The other end of the inner shell 6 is also provided with a limiting protrusion 14, and the limiting protrusion 14 is arranged around the annular protrusion 11. Limiting blocks 15 are provided at intervals along the circumferential direction on the inner side of the base 2, and the limiting protrusion 14 is extended into between the limiting blocks 15.

[0036] In this embodiment, during operation, compressed air enters from the air inlet 9, reaches the inner liner cover 7 through the gap between the inner liner shell 6 and the wall of the air cavity 5, enters the filter cavity 8 from the vent, and is repelled from the water and absorbed by the filter element, and finally leaves from the air outlet 12 through the air outlet 10.

[0037] The above is a preferred embodiment of the present invention. It should be noted that the scope of protection of the present invention is not limited thereto. Those skilled in the art will appreciate that various improvements, modifications, or equivalent substitutions may be made without departing from the scope of protection of the present invention. These modifications and equivalent substitutions are also considered within the scope of protection of the present invention.

Claims

1. An air dryer with convenient assembly, comprising an upper cover (1) and a base (2), wherein the base (2) is provided with buckle strips (3) at intervals along the circumference, and the upper cover (1) is buckledly connected to the buckle strips (3), characterized in that: The upper cover (1) is provided with a circumferential slot (4) for the snap-in strip (3) to extend into, and the snap-in strip (3) is snap-connected to the slot wall of the slot (4).

2. The air dryer with easy assembly as claimed in claim 1, characterized in that: The upper cover (1) and the base (2) form an air cavity (5), an inner liner shell (6) is provided in the air cavity (5), the inner liner shell (6) is connected to the base (2), one end of the inner liner shell (6) is provided with an inner liner cover (7), a compression spring is provided between the inner liner cover (7) and the upper cover (1), a vent is provided on the inner liner cover (7), the inner liner cover (7) and the inner liner shell (6) form a filter cavity (8), and a filter element is distributed in the filter cavity (8).

3. The air dryer with easy assembly as claimed in claim 2, characterized in that: The base (2) is provided with an air inlet (9) and an air outlet (10), the air inlet (9) is arranged around the air outlet (10), the other end of the inner shell (6) is provided with an annular protrusion (11) and an air outlet (12), the annular protrusion (11) is arranged around the air outlet (12), and an annular groove (13) for inserting the annular protrusion (11) is provided between the air inlet (9) and the air outlet (10).

4. The air dryer with easy assembly as claimed in claim 3, characterized in that: The other end of the inner shell (6) is further provided with a limiting protrusion (14), which is arranged around the annular protrusion (11). Limiting blocks (15) are provided at intervals along the circumferential direction on the inner side of the base (2), and the limiting protrusion (14) is inserted between the limiting blocks (15).

5. The air dryer with easy assembly as claimed in claim 1, characterized in that: A snap protrusion (16) is provided on the outside of the snap strip (3), and an outer groove wall of the snap slot (4) is provided with an opening (17) for the snap protrusion (16) to be snapped into. The snap slots (4) are arranged at intervals along the circumference of the upper cover (1).

6. The air dryer with easy assembly as claimed in claim 2, characterized in that: It also includes a cover shell, which is arranged on the upper cover (1) and the base (2), and the base (2) is provided with a support platform (18) for supporting the cover shell.

7. The air dryer with easy assembly as claimed in claim 5, characterized in that: The outer groove walls of adjacent slots (4) are connected in the circumferential direction of the upper cover (1), and the bottom edge line of the upper cover (1) is continuous in the circumferential direction.

8. The air dryer with easy assembly as claimed in claim 2, characterized in that: The buckle strip (3) is higher than the inner shell (6).

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