CN1278073C - Exhaust pipe mounting structure for microwave oven - Google Patents
Exhaust pipe mounting structure for microwave oven Download PDFInfo
- Publication number
- CN1278073C CN1278073C CN 02116996 CN02116996A CN1278073C CN 1278073 C CN1278073 C CN 1278073C CN 02116996 CN02116996 CN 02116996 CN 02116996 A CN02116996 A CN 02116996A CN 1278073 C CN1278073 C CN 1278073C
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- CN
- China
- Prior art keywords
- blast pipe
- exhaust pipe
- external box
- fixing hole
- microvave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The present invention discloses an exhaust pipe mounting structure for a microwave oven, which comprises an exhaust pipe, an external box body and fixing screws, wherein the exhaust pipe is arranged above a microwave oven cavity; the upper part of the exhaust pipe is combined with part of the external box body; the cross section of the exhaust pipe forms a rectangle; an air exhaust flow passage is formed inside the exhaust pipe; both ends of the exhaust pipe are opened, the back end of the exhaust pipe is provided with two through holes, and the through holes are communicated with air exhaust port of a ventilating fan assembly; the upper ends of two side plates of the exhaust pipe are respectively provided with two fixed combining slots and clamping springs; a fixing hole is arranged on one side plate of the exhaust pipe; a top plate of the external box body is provided with a plurality of hanging hooks, and the external box body is also provided with a fixing hole. The present invention has the advantages of simple structure, simple and easy assembly and disassembly and high installation precision.
Description
Technical field
The present invention relates to a kind of microwave oven component, particularly relate to a kind of exhaust pipe mounting structure of micro-wave oven.
Background technology
As shown in Figure 1, microwave oven frame forms cavity 30, and the rear portion of microwave oven cavity 30 is provided with rear board 34, and the inside of microwave oven cavity 30 forms cooking room 32, and cooking room 32 is places of cooking food; A top side of microwave oven cavity 30 is provided with magnetron 36, and magnetron 36 provides microwave in cooking room 32; The top of microwave oven cavity 30 is provided with blast pipe 40, blast pipe 40 be provided with fixing hole 7 ', fixing hole 7 ' be arranged on microwave oven cavity 30 on fixing hole 1 ' the position corresponding, by fixing hole 7 ' and fixing hole 1 ' available hold-down screw 8 blast pipe 40 is fixed on the microwave oven cavity 30; In addition, the upper end of blast pipe 40 biside plates is respectively arranged with several fixing holes 9, by fixing hole 9 and fixing hole 14 ' available hold-down screw 10 blast pipe 40 is fixed on the external box of microvave 60; The rear of blast pipe 40 is provided with ventilating fan assembly 50; Top and the two sides of micro-wave oven are formed with external box of microvave 60, external box of microvave 60 be provided with several fixing holes 14 ', fixing hole 14 ' corresponding with the position of the fixing hole 9 of blast pipe 40.
Below, the installation process of blast pipe in the exhaust pipe mounting structure of above-mentioned existing micro-wave oven is elaborated:
At first, with hold-down screw 8 pass fixing hole 7 ' be screwed in fixing hole 1 ' in, blast pipe 40 is fixed on the microwave oven cavity 30; Then, several hold-down screws 10 are passed fixing hole 14 ' be screwed in the fixing hole 9 respectively, blast pipe 40 is fixed on the external box of microvave 60.
During micro-wave oven work, ventilating fan assembly 19 inhaled airs (drawing together the air of ventilation function and the air of cooled microwave furnace interior heat) just can be discharged from the place ahead of micro-wave oven by blast pipe 40.
The following shortcoming of the exhaust pipe mounting structure of above-mentioned existing micro-wave oven:
Blast pipe is installed need be used a plurality of hold-down screws, installation procedure is many, and operating efficiency is low.In addition,,, make blast pipe gas leakage, cause the exhaust performance of blast pipe to reduce so under fixing coarse situation, can make between blast pipe and the micro-wave oven external box of microvave and produce the slit because blast pipe need be fixed on microwave oven cavity and the external box of microvave simultaneously.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the shortcoming of the exhaust pipe mounting structure of existing micro-wave oven, a kind of installation simple in structure, easy is provided, the exhaust pipe mounting structure of the high micro-wave oven of precision is installed.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: the exhaust pipe mounting structure of micro-wave oven comprises: the exhaust pipe mounting structure of micro-wave oven of the present invention comprises: blast pipe, external box of microvave and hold-down screw; Described blast pipe is arranged on the top of microwave oven cavity, the top of blast pipe combines with the part of external box of microvave, its cross section is rectangular, the inner exhaust flow path that forms of blast pipe, the front opening of blast pipe, its rear end is provided with through hole, and through hole is connected with the exhaust outlet of ventilating fan assembly, the upper end of blast pipe biside plate is respectively arranged with several secure bond groove and jump rings, has first fixing hole on the side plate of blast pipe; The top board of described external box of microvave is provided with several hooks, and the shape of these hooks and position are corresponding one by one with jump ring and secure bond groove, and the external box of microvave place above hook is provided with otch; Also be provided with second fixing hole on the described external box of microvave, the position of first fixing hole on these second fixing holes and the blast pipe biside plate is corresponding.When blast pipe is installed, jump ring is inserted corresponding hook by otch, then hold-down screw is passed second fixing hole on the external box of microvave and be screwed in first fixing hole on the blast pipe biside plate, blast pipe just has been installed on the external box of microvave.
Described jump ring is positioned at the inside of secure bond groove, and the upper surface of jump ring is identical with the upper level of blast pipe side plate.
Look that above external box of microvave described hook is to lower recess.
The invention has the beneficial effects as follows: simple in structure, assembling and apportioned effort are simple and easy to do, and the precision height is installed.
Description of drawings
Fig. 1 is the structural representation of the exhaust pipe mounting structure of existing micro-wave oven;
Fig. 2 is the structural representation of the exhaust pipe mounting structure specific embodiment of micro-wave oven of the present invention;
Fig. 3 is the cutaway view of primary structure in the exhaust pipe mounting structure specific embodiment of micro-wave oven of the present invention.
Among the figure:
30: microwave oven cavity 32: cooking room
34: rear board 36: magnetron
40: blast pipe 42: exhaust flow path
44: through hole 46: the secure bond groove
47: 48: the first fixing holes of jump ring
49: hold-down screw 50: ventilating fan assembly
60: external box of microvave 62: hook
64: 65: the second fixing holes of otch
The specific embodiment
Be described in further detail below in conjunction with the exhaust pipe mounting structure of the drawings and specific embodiments the existing micro-wave oven of the present invention:
Shown in Fig. 2,3, the microwave oven cavity 30 that microwave oven frame forms, the inside of microwave oven cavity 30 is to be used for the cooking room 32 of cooking food, the back of microwave oven cavity 30 is provided with rear board 34.In addition, a top side of microwave oven cavity 30 is provided with magnetron 36, and magnetron 36 provides microwave to cooking room 32.The rear portion, top of microwave oven cavity 30 is provided with ventilating fan assembly 50, and ventilating fan assembly 50 has ventilation function, and the mobile motive power that provides of the air of micro-wave oven inside is provided.Top and the two sides of micro-wave oven are formed with external box of microvave 60.
The exhaust pipe mounting structure of micro-wave oven of the present invention comprises: blast pipe 40, external box of microvave 60 and hold-down screw 49; Blast pipe 40 is arranged on the top of microwave oven cavity 30, the top of blast pipe 40 combines with the part of external box of microvave 60, its cross section is rectangular, the blast pipe 40 inner exhaust flow paths 42 that form, the front opening of blast pipe 40, its rear end is provided with two through holes 44, through hole 44 is connected with the exhaust outlet of ventilating fan assembly 50, the upper end of blast pipe 40 biside plates is respectively arranged with two secure bond grooves 46 and jump ring 47, jump ring 47 is positioned at the inside of secure bond groove 46, the upper surface of jump ring 47 is identical with the upper level of blast pipe 40 side plates, has first fixing hole 48 on the side plate of blast pipe 40; The top board of external box of microvave 60 is provided with several hooks 62, the shape and the position of these hooks 62 are corresponding one by one with jump ring 47 and secure bond groove 46, look hook 62 to lower recess above external box of microvave 60, and external box of microvave 60 places above hook 62 are provided with cuts 2 64; It is corresponding with the position of first fixing hole 48 also to be provided with second fixing hole, 65, the second fixing holes 65 on the external box of microvave 60.When blast pipe 40 is installed, jump ring 47 is inserted corresponding hook 62 by otch 64, then hold-down screw 49 is passed second fixing hole 65 and be screwed in first fixing hole 48, blast pipe 40 just has been installed on the external box of microvave 60.
Below, to outstanding downwards hook 62 on the installation process of the exhaust pipe mounting structure of micro-wave oven of the present invention and the effect external box of microvave 60 thereof; Move blast pipe 40 according to the described direction of arrow A among Fig. 3 then, make the jump ring 47 of blast pipe 40 be positioned at pairing hook 62 above, hook 62 is entered in the secure bond groove 46, jump ring 47 hangs on the corresponding hook 62; Then, make hold-down screw 49 pass second fixing hole 65 and it is screwed in first fixing hole 48, just blast pipe 40 is fixed on the following of external box of microvave 60.
The air communication that ventilating fan assembly 50 forms is crossed the guiding of blast pipe 40 and is discharged to the outside through the front portion of micro-wave oven in micro-wave oven.
Claims (3)
1. the exhaust pipe mounting structure of a micro-wave oven comprises: blast pipe, external box of microvave and hold-down screw; Described blast pipe is arranged on the top of microwave oven cavity, described blast pipe utilize insert structure and at least one hold-down screw be fixed on external box of microvave below; It is characterized in that: the inner exhaust flow path (42) that forms of described blast pipe (40), the front opening of blast pipe (40), its rear end is provided with through hole (44), through hole (44) is connected with the exhaust outlet of ventilating fan assembly (50), the upper end of blast pipe (40) biside plate is respectively arranged with several secure bond grooves (46) and jump ring (47), has first fixing hole (48) on the side plate of blast pipe (40); The top board of external box of microvave (60) is provided with several hooks (62), and shape of these hooks (62) and position are corresponding one by one with jump ring (47) and secure bond groove (46); External box of microvave (60) in hook (62) top locates to be provided with otch (64); Also be provided with second fixing hole (65) on the external box of microvave (60), second fixing hole (65) is corresponding with the position of first fixing hole (48); Described jump ring (47) inserts corresponding hook (62) by otch (64); Described hold-down screw (49) passes second fixing hole (65) and is screwed in first fixing hole (48).
2. the exhaust pipe mounting structure of micro-wave oven according to claim 2, it is characterized in that: described jump ring (47) is positioned at the inside of secure bond groove (46), and the upper surface of jump ring (47) is identical with the upper level of blast pipe (40) side plate.
3. according to the exhaust pipe mounting structure of claim 2 or 3 described micro-wave ovens, it is characterized in that: look that above external box of microvave (60) described hook (62) is to lower recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02116996 CN1278073C (en) | 2002-04-29 | 2002-04-29 | Exhaust pipe mounting structure for microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02116996 CN1278073C (en) | 2002-04-29 | 2002-04-29 | Exhaust pipe mounting structure for microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1455158A CN1455158A (en) | 2003-11-12 |
| CN1278073C true CN1278073C (en) | 2006-10-04 |
Family
ID=29257092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02116996 Expired - Fee Related CN1278073C (en) | 2002-04-29 | 2002-04-29 | Exhaust pipe mounting structure for microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1278073C (en) |
-
2002
- 2002-04-29 CN CN 02116996 patent/CN1278073C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1455158A (en) | 2003-11-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |