Air conditioner access door observation window

Abstract

The utility model discloses an air conditioner access door observation window which comprises a window frame fixed on an access door, a first window panel arranged on the front end face of the window frame and a second window panel arranged on the rear end face of the window frame. Each supporting frame comprises a frame body and a clamping edge arranged on the outer side end face of the frame body, guide holes communicated with the clamping edges are formed in the outer side wall of the periphery of the frame body, the guide holes of the two supporting frames are communicated in a one-to-one correspondence mode, the first window panel is arranged on the clamping edge of the supporting frame at the front end, and the second window panel is arranged on the clamping edge of the supporting frame at the rear end. A fixing blind hole corresponding to the guide hole is formed in the rear end face of the first window panel, a fixing through hole corresponding to the guide hole is formed in the second window panel, and a self-tapping screw sequentially penetrates through the fixing through hole, the guide hole of the rear end supporting frame, the guide hole of the front end supporting frame and the fixing blind hole from back to front. The observation window can be prevented from generating condensed fog, and the thickness of the window frame of the observation window can be adjusted.

Description

Technical Field

[0001] The utility model relates to an observation window, in particular to an observation window for an air-conditioning maintenance door. Background Art

[0002] In order to facilitate the maintenance of the air conditioner, an inspection door with an observation window is usually provided on the air conditioner casing so that maintenance personnel can observe the operation of the air conditioner at any time. However, the window frame of the observation window on the existing air conditioner inspection door is an integral whole and cannot be adjusted. Therefore, it cannot be applied to air conditioner inspection doors of various thicknesses. In addition, due to the large temperature difference between the inside and outside of the air conditioner, condensation is easily generated on the observation window, which affects the maintenance personnel's observation. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provide an observation window for an air-conditioning maintenance door, so as to solve the problem that the thickness of the observation window frame cannot be adjusted and condensation occurs on the observation window.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: an air-conditioning maintenance door observation window, comprising a window frame fixed on the maintenance door, a first window panel arranged on the front end face of the window frame and close to the maintenance door, and a second window panel arranged on the rear end face of the window frame and close to the maintenance door, the window frame comprises two support frames arranged and combined together in front and back, the support frame comprises a frame body and a card edge arranged on the outer end face of the frame body, the outer side walls around the frame body are provided with guide holes connected with the card edge, the front end of the guide hole is provided with a countersunk hole on the card edge, and the countersunk hole is provided with an open groove on the inner side of the frame body, when the two support frames are combined, the inner end faces of the support frames contact and fit each other, and the guide hole of the front support frame is connected to the guide hole of the rear support frame in a one-to-one correspondence, and the first window panel The plate is arranged on the card edge of the front end support frame, and the second window panel is arranged on the card edge of the rear end support frame. The rear end surface of the first window panel is provided with a first limiting annular strip placed in the frame body of the front end support frame and a fixed blind hole corresponding to the guide hole of the front end support frame. A connecting piece is provided between the first limiting annular strip and the fixed blind hole. The rear end of the fixed blind hole is arranged in the countersunk hole, and the connecting piece is arranged in the open groove. The second window panel is provided with a second limiting annular strip placed in the frame body of the rear end support frame and a fixed through hole corresponding to the guide hole of the rear end support frame. The fixed through hole, the guide hole of the rear end support frame, the guide hole of the front end support frame and the fixed blind hole are connected in sequence from back to front by self-tapping screws.

[0005] Furthermore, the support frame is provided with a first support frame and a second support frame according to the thickness of the frame body, and the window frame can be combined with the first support frame and the first support frame, or the first support frame and the second support frame, or the second support frame and the second support frame according to the thickness of the inspection door.

[0006] Furthermore, each side of the frame is provided with at least a first guide hole and a second guide hole, the outer wall of the first guide hole is a step-shaped protrusion, and the rear end of the second guide hole is provided with a step hole, and the step-shaped protrusion of the first guide hole of the front support frame is arranged in the step hole of the second guide hole of the rear end support frame.

[0007] Furthermore, the rear end face of the first window panel is located in the outer ring of the fixed blind hole and is embedded with a first sealing ring that is close to the front end face of the inspection door.

[0008] Furthermore, a second sealing ring is embedded in the outer ring of the fixing through hole on the front end surface of the second window panel and is in close contact with the rear end surface of the inspection door.

[0009] Furthermore, the first window panel and the second window panel are made of transparent PC material, and the window frame is made of ABS material.

[0010] The utility model adopts the above structure to achieve the following beneficial effects: the utility model provides an air-conditioning maintenance door observation window, which is connected and cooperated with each other through two support frames of the same structure, with a modular design, and two sizes of support frames are designed to adjust the window frame thickness according to the thickness of the maintenance door. The sealing pressure between the first window panel and the second window surface and the maintenance door is adjusted by tightening with self-tapping screws, and the fixing blind hole of the first window panel can prevent condensation in the observation window. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The technical solution of the utility model is further described below with reference to the accompanying drawings:

[0012] Figure 1 This is a structural schematic diagram of the observation window of the air conditioner maintenance door described in the present utility model.

[0013] Figure 2 This is a structural schematic diagram of the window frame described in the present utility model.

[0014] Figure 3 This is a structural schematic diagram of the front end surface of the support frame described in the present invention.

[0015] Figure 4 This is a structural diagram of the rear end surface of the support frame described in the present invention.

[0016] Figure 5 This is a schematic diagram of the structure of the first window panel described in the present invention.

[0017] Figure 6 This is a structural diagram of the second window panel described in the present invention.

[0018] Among them: 1. Window frame; 2. First window panel; 3. Second window panel; 4. Support frame; 5. Frame; 6. Card edge; 7. Guide hole; 8. Countersunk hole; 9. Opening groove; 10. First limiting annular strip; 11. Fixed blind hole; 12. Connecting piece; 13. Second limiting annular strip; 14. Fixed through hole; 15. Self-tapping screw; 16. First guide hole; 17. Second guide hole; 18. Step-shaped protrusion; 19. Step hole; 20. First sealing ring; 21. Second sealing ring. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0020] Aiming at the demand for an observation window for an air-conditioning maintenance door, the designer of the utility model innovatively proposes an observation window for an air-conditioning maintenance door, which can prevent condensation on the observation window and adjust the thickness of the observation window frame.

[0021] like Figures 1 to 6As shown, an air conditioning maintenance door observation window includes a window frame 1 fixed on the maintenance door, a first window panel 2 arranged on the front end face of the window frame 1 and close to the maintenance door, and a second window panel 3 arranged on the rear end face of the window frame 1 and close to the maintenance door, the window frame 1 includes two support frames 4 arranged and combined together in front and back, the support frame 4 includes a frame body 5 and a card edge 6 arranged on the outer end face of the frame body 5, the outer side walls around the frame body 5 are provided with guide holes 7 connected with the card edge 6, the front end of the guide hole 7 is located on the card edge 6 and is provided with a countersunk hole 8, and the countersunk hole 8 is located on the inner side of the frame body 5 and is provided with an open groove 9. When the two support frames 4 are combined, the inner end faces of the support frames 4 are in contact with each other, and the guide hole 7 of the front support frame 4 is connected to the guide hole 7 of the rear support frame 4 in a one-to-one correspondence. The first window panel 2 is arranged on the card edge 6 of the front support frame 4, and the second window panel 3 is arranged at the rear On the card edge 6 of the support frame 4, the rear end surface of the first window panel 2 is provided with a first limiting annular strip 10 placed in the frame body 5 of the front end support frame 4 and a fixed blind hole 11 corresponding to the guide hole 7 of the front end support frame 4. The fixed blind hole 11 prevents the large temperature difference between the inside and outside of the air conditioner from causing condensation. A connecting piece 12 is provided between the first limiting annular strip 10 and the fixed blind hole 11. The rear end of the fixed blind hole 11 is arranged in the countersunk hole 8, and the connecting piece 12 is arranged in the open groove 9. The second window panel 3 is provided with a second limiting annular strip 13 placed in the frame body 5 of the rear end support frame 4 and a fixed through hole 14 corresponding to the guide hole 7 of the rear end support frame 4. The fixed through hole 14, the guide hole 7 of the rear end support frame 4, the guide hole 7 of the front end support frame 4 and the fixed blind hole 11 are connected in sequence from back to front by self-tapping screws 15.

[0022] The support frame 4 is provided with a first support frame and a second support frame according to the thickness of the frame body 5. The window frame 1 can be combined with the first support frame and the first support frame, or the first support frame and the second support frame, or the second support frame and the second support frame according to the thickness of the inspection door. The three combinations of support frames 4 are suitable for inspection doors of various thicknesses.

[0023] Each side of the frame body 5 is provided with at least a first guide hole 16 and a second guide hole 17. The outer wall of the first guide hole 16 is formed into a step-shaped protrusion 18, and the rear end of the second guide hole 17 is provided with a step hole 19. The stepped protrusion 18 of the first guide hole 16 of the front support frame 4 is arranged in the stepped hole 19 of the second guide hole 17 of the rear support frame 4.

[0024] The rear end face of the first window panel 2 is located at the outer circle of the fixed blind hole 11 and is embedded with a first sealing ring 20 that is close to the front end face of the inspection door.

[0025] The front end surface of the second window panel 3 is located at the outer circle of the fixing through hole 14 and is embedded with a second sealing ring 21 that is close to the rear end surface of the inspection door.

[0026] The first window panel 2 and the second window panel 3 are made of transparent PC material, and the window frame 1 is made of ABS material.

[0027] During installation, select a combination of the first support frame or the second support frame according to the thickness of the inspection door, place the two support frames 4 at the inspection door observation window installation position from the front and rear ends of the inspection door respectively to form a window frame 1, place the first limiting annular strip 10 of the first window panel 2 in the frame of the front support frame 4, and place the second limiting annular strip 13 of the second window panel 3 in the frame of the rear end support frame 4, and fix the first window panel 2 and the second window panel 3 on the window frame 1 by passing through and locking the self-tapping screws 15 from back to front in sequence, so that the first sealing ring 20 and the second sealing ring 21 are close to the inspection door, and the sealing pressure of the first sealing ring 20 and the second sealing ring 21 on the inspection door is adjusted by locking the self-tapping screws 15.

[0028] The utility model adopts the above structure to achieve the following beneficial effects: the utility model provides an air-conditioning maintenance door observation window, which is connected and cooperated with each other through two support frames of the same structure, with a modular design, and two sizes of support frames are designed to adjust the window frame thickness according to the thickness of the maintenance door. The sealing pressure between the first window panel and the second window surface and the maintenance door is adjusted by tightening with self-tapping screws, and the fixing blind hole of the first window panel can prevent condensation in the observation window.

[0029] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An observation window for an air conditioner inspection door, comprising a window frame fixed to the inspection door, a first window panel arranged at the front end of the window frame and closely adjacent to the inspection door, and a second window panel arranged at the rear end of the window frame and closely adjacent to the inspection door, characterized in that: The window frame includes two support frames arranged together in a front and rear manner, the support frame includes a frame body and a card edge arranged on the outer end surface of the frame body, the outer walls around the frame body are provided with guide holes connected to the card edge, the front end of the guide hole is located on the card edge and has a countersunk hole, and the countersunk hole is located on the inner side of the frame and has an open groove. When the two support frames are combined, the inner end surfaces of the support frames contact and fit each other, and the guide holes of the front support frame are connected to the guide holes of the rear support frame in a one-to-one correspondence. The first window panel is arranged on the card edge of the front support frame, and the second window panel is arranged on the card edge of the rear support frame. The end face is provided with a first limiting annular strip placed in the frame body of the front end support frame and a fixed blind hole corresponding to the guide hole of the front end support frame, a connecting piece is provided between the first limiting annular strip and the fixed blind hole, the rear end of the fixed blind hole is arranged in the countersunk hole, and the connecting piece is arranged in the open groove, and the second window panel is provided with a second limiting annular strip placed in the frame body of the rear end support frame and a fixed through hole corresponding to the guide hole of the rear end support frame, the fixed through hole, the guide hole of the rear end support frame, the guide hole of the front end support frame and the fixed blind hole are connected in sequence from back to front by self-tapping screws.

2. The air conditioner maintenance door observation window according to claim 1, characterized in that: The support frame is provided with a first support frame and a second support frame according to the thickness of the frame body, and the window frame can be combined with the first support frame and the first support frame, or the first support frame and the second support frame, or the second support frame and the second support frame according to the thickness of the inspection door.

3. The air conditioner maintenance door observation window according to claim 1 or 2, characterized in that: Each side of the frame body is provided with at least a first guide hole and a second guide hole, the outer wall of the first guide hole is a stepped protrusion, and the rear end of the second guide hole is provided with a stepped hole, and the stepped protrusion of the first guide hole of the front support frame is arranged in the stepped hole of the second guide hole of the rear support frame.

4. The air conditioner maintenance door observation window according to claim 1, characterized in that: The rear end face of the first window panel is located in the outer ring of the fixed blind hole and is embedded with a first sealing ring that is close to the front end face of the inspection door.

5. The air conditioner maintenance door observation window according to claim 1, characterized in that: The front end surface of the second window panel is located at the outer circle of the fixed through hole and is embedded with a second sealing ring that is close to the rear end surface of the inspection door.

6. The air conditioner maintenance door observation window according to claim 1, characterized in that: The first window panel and the second window panel are made of transparent PC material, and the window frame is made of ABS material.

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