End cover of airtight air dryer

Abstract

The utility model provides an airtight air dryer end cover which comprises a cover body, an air inlet, an air outlet and an installation concave hole used for being connected with a drying cylinder are formed in the cover body, the air inlet and the air outlet are both communicated with the installation concave hole, the cover body is fixedly connected with a partition plate located in the installation concave hole, and the partition plate is fixedly connected with the air inlet and the air outlet. The partition plate is located between the air inlet and the air outlet, the cover body is fixedly connected with a fixing pipe used for being connected with the drying cylinder, the fixing pipe is located in the installation concave hole, the cover body is fixedly connected with a sealing ring, and the sealing ring is located at an opening of the installation concave hole. The sealing ring is provided with a plurality of clamping grooves used for clamping the end of the drying cylinder, the clamping grooves and the sealing ring are coaxially arranged, and the purpose that the drying cylinder is not prone to being separated from the cover body is achieved.

Description

Technical Field

[0001] The utility model relates to a dryer, and particularly to an airtight end cover of an air dryer. Background Art

[0002] At present, a Chinese patent with the authorization announcement number CN202909614U discloses an automotive air dryer, which includes a main body and a drying cylinder provided on the main body and filled with a desiccant. The main body is provided with an air inlet, an air outlet and a back blowing port. One side of the main body is provided with a pressure regulating device and an unloading valve, and the other side is provided with a power supply connector. A sewage discharge valve is provided at the end of the main body, and a muffler is installed on the sewage discharge valve. The main body is also provided with an integral connection base, which is integrally connected with the main body. The connection base includes three connecting columns distributed in an equilateral triangle, and threaded connection holes are respectively provided at the end parts of each connecting column.

[0003] This kind of automotive air dryer has a simple structure. However, this drying cylinder is only fixedly connected to the main body by means of bolts, and the sealing performance between the drying cylinder and the main body is not good. During the driving of the vehicle, the generated bumps can easily cause the drying cylinder to become loose from the main body, and a large amount of compressed air is likely to leak through the dryer. Summary of the Utility Model

[0004] In view of this, the purpose of the utility model is to provide an airtight end cover of an air dryer, so as to achieve the purpose of making the drying cylinder not easily separated from the cover plate.

[0005] To solve the above technical problems, the technical solution of the utility model is: an airtight end cover of an air dryer, including a cover body. An air inlet, an air outlet and an installation concave hole for connecting with a drying cylinder are opened on the cover body. The air inlet and the air outlet are both communicated with the installation concave hole. A partition plate located between the air inlet and the air outlet is fixedly connected to the cover body within the installation concave hole. A fixing pipe for connecting with the drying cylinder is fixedly connected to the cover body within the installation concave hole. A sealing ring is fixedly connected to the cover body, and the sealing ring is located at the opening of the installation concave hole. A plurality of clamping grooves for clamping the end of the drying cylinder are opened on the sealing ring, and the plurality of clamping grooves are coaxially arranged with the sealing ring.

[0006] When the above technical solution is realized, the drying cylinder is moved towards the installation concave hole, so that the clamping grooves are in contact with the end of the drying cylinder. Through the clamping action of the clamping grooves, the drying cylinder and the cover plate have good sealing performance and fixing effect. During the driving of the vehicle, due to the certain elasticity of the sealing ring, it has a buffering effect, making the drying cylinder and the cover plate not easily separated, and thus the purpose of not easily occurring a large amount of leakage is achieved.

[0007] As a preferred embodiment of the present utility model, an auxiliary port is provided on the cover body, and the auxiliary port is communicated with the air outlet, and the axis of the air outlet is perpendicular to the axis of the auxiliary port.

[0008] To achieve the above technical solution, the air inlet enters the installation concave hole, then enters the drying cylinder, and then is simultaneously led out from the auxiliary port and the air outlet after passing through the drying cylinder, so as to increase the air output and improve the practicability.

[0009] As a preferred embodiment of the present utility model, a detection port is provided on the cover plate, and the detection port is communicated with the fixed pipe.

[0010] To achieve the above technical solution, it is convenient to connect the detection device to the cover plate.

[0011] As a preferred embodiment of the present utility model, a sliding hole is provided on the inner wall of the fixed pipe, a pressing plate for abutting against the drying cylinder is slidably connected in the sliding hole, and a conduction component for driving the pressing plate to move is arranged in the fixed pipe.

[0012] To achieve the above technical solution, when the compressed air enters the fixed pipe from the drying cylinder, the pressing plate moves along the sliding hole through the conduction component, so that the pressing plate abuts against the drying cylinder, and the generated frictional force makes the connection between the drying cylinder and the cover body closer.

[0013] As a preferred embodiment of the present utility model, the conduction component includes a sliding rod, a pushing plate, a push rod, an elastic member, a first inclined surface and a second inclined surface. The sliding rod is fixedly connected with the pressing plate and slidably connected in the sliding hole. A cross bar is fixedly connected in the fixed pipe. The push rod is slidably connected on the cross bar. One end of the push rod is provided with the first inclined surface, and the other end is fixedly connected with the pushing plate. The second inclined surface is provided on the sliding rod and abuts against the first inclined surface. Two ends of the elastic member are respectively connected with the inner wall of the fixed pipe and the sliding rod.

[0014] To achieve the above technical solution, the compressed air enters the fixed pipe. Through the action of the wind force, the pushing plate moves, the pushing plate drives the push rod to move, and the force is transmitted through the abutment of the first inclined surface and the second inclined surface, so that the sliding rod moves along the length direction of the sliding hole, and the pressing plate can abut against the drying cylinder, and the generated frictional force makes the placement of the drying cylinder more stable.

[0015] As a preferred embodiment of the present utility model, a abutting arc surface is provided on the surface of the pressing plate, and the abutting arc surface abuts against the drying cylinder.

[0016] To achieve the above technical solution, the provision of the abutting arc surface increases the contact area between the pressing plate and the drying cylinder and further improves the frictional force.

[0017] As a preferred embodiment of the present utility model, a threaded pipe is fixedly connected to the side wall of the cover body, and the threaded pipe penetrates into the installation concave hole.

[0018] To achieve the above technical solution, through the arrangement of the threaded pipe, it is convenient to install the cover body on the vehicle. Moreover, since the threaded pipe penetrates into the installation concave hole, the overall structure is more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the external structure in the embodiment;

[0020] Figure 2 It is a schematic diagram showing the position of the threaded pipe;

[0021] Figure 3 It is a schematic diagram showing the position of the auxiliary port;

[0022] Figure 4 It is a schematic cross-sectional view showing the conduction component;

[0023] Figure 5 It is a schematic diagram showing the structure of the pressing plate.

[0024] Reference numerals: 1, cover body; 11, air inlet; 12, air outlet; 13, auxiliary port; 3, partition; 4, installation concave hole; 41, sealing ring; 42, clamping groove; 5, fixed pipe; 51, detection port; 61, sliding hole; 62, pressing plate; 7, conduction component; 71, sliding rod; 72, pushing plate; 73, push rod; 74, elastic member; 75, first inclined surface; 76, second inclined surface; 77, abutting arc surface; 78, cross bar; 8, threaded pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following further details the specific embodiments of the present utility model in conjunction with the accompanying drawings, so that the technical solutions of the present utility model are easier to understand and master.

[0026] An airtight air dryer end cover includes a cover body 1, and an air inlet 11, an air outlet 12 and an installation concave hole 4 for connecting with a drying cylinder are formed on the cover body 1. The air inlet 11 and the air outlet 12 are both communicated with the installation concave hole 4.

[0027] A partition 3 located inside the installation concave hole 4 is fixedly connected to the cover body 1, and the partition 3 is located between the air inlet 11 and the air outlet 12. An auxiliary port 13 is formed on the cover body 1, and the auxiliary port 13 is communicated with the air outlet 12, and the axis of the air outlet 12 is perpendicular to the axis of the auxiliary port 13.

[0028] An installation recess 4 for installing a drying cylinder is provided on the cover body 1. A sealing ring 41 is fixedly connected to the cover body 1. The sealing ring 41 is located at the opening of the installation recess 4. A plurality of clamping grooves 42 for clamping the end of the drying cylinder are provided on the sealing ring 41. The plurality of clamping grooves 42 are coaxially arranged with the sealing ring 41, that is, the plurality of clamping grooves 42 are concentrically arranged.

[0029] A fixing pipe 5 for connecting with the drying cylinder is fixedly connected to the cover body 1. The fixing pipe 5 is located in the installation recess 4, and the fixing pipe 5 is coaxially arranged with the installation recess 4. A detection port 51 is provided on the cover plate. The detection port 51 communicates with the fixing pipe 5.

[0030] A sliding hole 61 is provided on the inner wall of the fixing pipe 5. The axis of the sliding hole 61 is perpendicular to the axis of the fixing pipe 5. A pressing plate 62 for abutting against the drying cylinder is slidably connected in the sliding hole 61. A conduction assembly 7 for driving the pressing plate 62 to move is provided in the fixing pipe 5.

[0031] The conduction assembly 7 includes a sliding rod 71, a push plate 72, a push rod 73, an elastic member 74, a first inclined surface 75 and a second inclined surface 76. The sliding rod 71 is fixedly connected to the pressing plate 62 and slidably connected in the sliding hole 61. A cross bar 78 is fixedly connected in the fixing pipe 5. The length direction of the cross bar 78 is arranged along the radial direction of the fixing pipe 5. The push rod 73 is slidably connected on the cross bar 78. The push rod 73 moves along the axial direction of the fixing pipe 5. A first inclined surface 75 is provided at one end of the push rod 73, and the other end is fixedly connected to the push plate 72. A second inclined surface 76 is provided on the sliding rod 71 and abuts against the first inclined surface 75. The elastic member 74 is a spring. The two ends of the elastic member 74 are respectively connected to the inner wall of the fixing pipe 5 and the sliding rod 71. The sliding rod 71 and the push rod 73 are cuboids. The push plate 72 is disc-shaped.

[0032] The push plate 72 is disc-shaped and close to the opening of the fixing pipe 5. There is a gap between the push plate 72 and the inner wall of the fixing pipe 5. After the compressed gas enters the fixing pipe 5 from the drying cylinder, the push plate 72 drives the push rod 73 to move under the action of wind force. Through the conduction action of the first inclined surface 75 and the second inclined surface 76, the sliding rod 71 moves along its own length direction and the pressing plate 62 abuts against the drying cylinder, and the generated frictional force makes the connection between the drying cylinder and the cover plate more stable.

[0033] When the injection of compressed air stops, the wind force decreases. Through the action of the elastic member 74, the pressing plate 62 moves away from the drying cylinder, reducing the frictional force between the pressing plate 62 and the drying cylinder, so as to facilitate the replacement of the drying cylinder.

[0034] A resisting arc surface 77 is provided on the surface of the pressing plate 62. The resisting arc surface 77 abuts against the drying cylinder.

[0035] A threaded tube 8 is fixedly connected to the side wall of the cover body 1, and a part of the threaded tube 8 penetrates into the installation concave hole 4. The two threaded tubes 8 are arranged in parallel.

[0036] Of course, the above are only typical examples of the present utility model. In addition, the present utility model can also have many other specific implementation manners. Any technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present utility model.

Claims

1. An airtight air dryer end cover, comprising a cover body (1). An air inlet (11), an air outlet (12) and an installation concave hole (4) for connecting with a drying cylinder are formed in the cover body (1). The air inlet (11) and the air outlet (12) are both communicated with the installation concave hole (4). A partition plate (3) located in the installation concave hole (4) is fixedly connected to the cover body (1). The partition plate (3) is located between the air inlet (11) and the air outlet (12). A fixing pipe (5) for connecting with the drying cylinder is fixedly connected to the cover body (1). The fixing pipe (5) is located in the installation concave hole (4), and its characteristics are as follows: A sealing ring (41) is fixedly connected to the cover body (1). The sealing ring (41) is located at the opening of the installation concave hole (4). A plurality of clamping grooves (42) for clamping the end of the drying cylinder are formed in the sealing ring (41), and the plurality of clamping grooves (42) are coaxially arranged with the sealing ring (41).

2. The end cover of an airtight air dryer according to claim 1, characterized in that: An auxiliary port (13) is formed in the cover body (1). The auxiliary port (13) is communicated with the air outlet (12), and the axis of the air outlet (12) is perpendicular to the axis of the auxiliary port (13).

3. The end cover of an airtight air dryer according to claim 1, characterized in that: A detection port (51) is formed in the cover body, and the detection port (51) is communicated with the fixed pipe (5).

4. The end cover of an airtight air dryer according to claim 3, characterized in that: A sliding hole (61) is formed in the inner wall of the fixed pipe (5). A pressing plate (62) for abutting against the drying cylinder is slidably connected in the sliding hole (61), and a conduction assembly (7) for driving the pressing plate (62) to move is arranged in the fixed pipe (5).

5. The end cover of an airtight air dryer according to claim 4, characterized in that: The conduction assembly (7) includes a sliding rod (71), a pushing disk (72), a push rod (73), an elastic member (74), a first inclined surface (75) and a second inclined surface (76). The sliding rod (71) is fixedly connected to the pressing plate (62) and slidably connected in the sliding hole (61). A cross bar (78) is fixedly connected in the fixed pipe (5). The push rod (73) is slidably connected to the cross bar (78). A first inclined surface (75) is formed at one end of the push rod (73), and the other end is fixedly connected to the pushing disk (72). The second inclined surface (76) is formed on the sliding rod (71) and abuts against the first inclined surface (75). Two ends of the elastic member (74) are respectively connected to the inner wall of the fixed pipe (5) and the sliding rod (71).

6. The end cover of an airtight air dryer according to claim 5, characterized in that: A contact arc surface (77) is formed on the surface of the pressing plate (62), and the contact arc surface (77) abuts against the drying cylinder.

7. The end cover of an airtight air dryer according to claim 4, characterized in that: A threaded pipe (8) is fixedly connected to the side wall of the cover body (1), and the threaded pipe (8) penetrates into the installation concave hole (4).

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