CN113483429B

CN113483429B - Kitchen ventilation unit easy to assemble

Info

Publication number: CN113483429B
Application number: CN202111033303.XA
Authority: CN
Inventors: 许卫琴; 姜海军
Original assignee: Haimen Jinbaiheng Stainless Steel Products Co ltd
Current assignee: HAIMEN DADE INTELLECTUAL PROPERTY SERVICE CO.,LTD.
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2021-11-19
Anticipated expiration: 2041-09-03
Also published as: CN113483429A

Abstract

The invention discloses a kitchen ventilation device convenient to install, which comprises a ventilation annular base and a driving motor body, wherein the ventilation annular base is sleeved outside the driving motor body, fan blades are arranged at the output end of the driving motor body, an installation ring is sleeved outside the ventilation annular base, a fixing ring is arranged on one side of the ventilation annular base, a protective net is arranged in the fixing ring, a limiting ring is fixedly connected to one side of the fixing ring, an annular groove is formed in one side of the ventilation annular base, first limiting blocks are fixedly connected to two sides of the fixing ring, and the first limiting blocks are connected with the ventilation annular base through limiting assemblies. The invention discloses a kitchen ventilation device convenient to mount, belongs to the technical field of ventilation devices, and is convenient for mounting and dismounting a mounting ring and a ventilation ring-shaped base, cleaning a protective net and fan blades and replacing and overhauling a driving motor body.

Description

Kitchen ventilation unit easy to assemble

Technical Field

The invention relates to the technical field of ventilation devices, in particular to a kitchen ventilation device convenient to install.

Background

Ventilation is a building environment control technology which controls the propagation and harm of air pollutants by means of ventilation dilution or ventilation removal and the like, and realizes the quality guarantee of indoor and outdoor air environments. Kitchen ventilation unit generally fixes through the bolt, and the actual dismouting is comparatively inconvenient, generally sets up the protection network on the kitchen ventilation unit for protecting the flabellum in the kitchen ventilation unit, in the in-service use process, protection network and flabellum can stick dust and oil, and the protection network dismouting of not being convenient for, and then be not convenient for clear up protection network and flabellum.

Disclosure of Invention

The invention mainly aims to provide a kitchen ventilation device convenient to install, which can effectively solve the problems in the background art.

In order to achieve the purpose, the invention adopts the technical scheme that:

a kitchen ventilation device convenient to mount comprises a ventilation annular base and a driving motor body, wherein the ventilation annular base is sleeved outside the driving motor body, the output end of the driving motor body is provided with a fan blade, the outside of the ventilation annular base is sleeved with a mounting ring, one side of the ventilation annular base is provided with a fixing ring, a protective net is arranged in the fixing ring, one side of the fixing ring is fixedly connected with a limiting ring, one side of the ventilation annular base is provided with an annular groove, two sides of the fixing ring are both fixedly connected with first limiting blocks, the first limiting blocks and the ventilation annular base are connected through limiting assemblies, each limiting assembly comprises an anti-falling mechanism and an anti-rotating mechanism, and the driving motor body and the ventilation annular base are connected through a supporting and fixing assembly;

the supporting and fixing assembly comprises a first fixing column and a second fixing column which are arranged in a ventilation annular base, the top end of the first fixing column is fixedly connected with a driving motor body, the bottom end of the second fixing column is fixedly connected with the driving motor body, the bottom of the first fixing column is fixedly connected with a first clamping block, a first clamping groove is formed in the inner wall of the ventilation annular base, a second clamping groove is formed in the top of the second fixing column, a movable column is arranged above the second fixing column, a second clamping block is fixedly connected to the bottom of the movable column, an movable groove is formed in the top of the ventilation annular base, a limiting plate is arranged in the movable groove, the top end of the movable column penetrates into the movable groove, the top of the movable column is fixedly connected with the bottom of the limiting plate, and a blocking mechanism is arranged at the top of the limiting plate;

two first sliding grooves are formed in two sides of the ventilation annular base, inner walls of two sides of each first sliding groove are communicated with two sides of the ventilation annular base, a third clamping groove is formed in each first sliding groove, two first grooves are formed in inner walls of two sides of the mounting ring, a connecting plate is arranged in each first sliding groove, a limiting clamping strip is fixedly connected onto each connecting plate, one end of each connecting plate extends into each first groove, and two adjacent connecting plates are connected through a stop mechanism;

the locking mechanism comprises a first rectangular hole formed in the inner wall of one side of the first groove, two first movable rods and two second movable rods are arranged on one side of the mounting ring, connecting blocks are fixedly connected to the first movable rods and the second movable rods, the connecting blocks penetrate through the first rectangular hole, one side of each connecting block is fixedly connected with one side of the corresponding connecting plate, the first movable rods are located above the second movable rods, and the first movable rods and the second movable rods are connected through elastic locking mechanisms;

the outside screwed pipe of second movable rod is located including the cover to the dead mechanism of elastic lock, elastic cavity is all seted up in first movable rod and the second movable rod, be equipped with the movable block in the elastic cavity, one side of movable block and one side inner wall of elastic cavity pass through first spring coupling, be equipped with the connecting rod between first movable rod and the second movable rod, the both ends of connecting rod run through respectively to two adjacent elastic cavity in, just the both ends of connecting rod are connected with two movable blocks respectively, the one end that first movable rod and second movable rod are close to mutually all is equipped with the screw thread with screwed pipe matched with.

Preferably, stop mechanism includes that the symmetry sets up the second spout in the inner wall of activity groove both sides, the second rectangular hole has been seted up to one side inner wall of second spout, the spacing groove has been seted up to the both sides inner wall symmetry in second rectangular hole, just one side inner wall of spacing groove is linked together with one side of ventilation ring frame, be equipped with two press plates in the activity inslot, press plate's one end to extend to in the second spout, just press plate's one end and one side inner wall of second spout to pass through a plurality of second spring coupling, one side of ventilation ring frame is equipped with two cardboards, one side of cardboard is passed through the telescopic link with one side of pressing plate and is connected, just the telescopic link is located the second rectangular hole.

Preferably, the top of the limiting plate is in contact with the bottom of the pressing plate, the second clamping block is located in the second clamping groove, and the first clamping block is located in the first clamping groove.

Preferably, one side of the clamping plate, which is far away from the ventilation annular base, is fixedly connected with a pull ring.

Preferably, the anti-disengaging mechanism comprises two first baffles, the first baffles are connected with one side of the ventilation annular base through a supporting plate, one side of each first baffle is in contact with one side of the first limiting block far away from the ventilation annular base, one of the supporting plate is located at the bottom of one of the first limiting blocks, and the other supporting plate is located at the top of the other first limiting block.

Preferably, prevent that favourable turn constructs including two second recesses of seting up in ventilation annular frame one side, be equipped with the second stopper in the second recess, the one end of second stopper extends to the outside of second recess, the other end of second stopper passes through third spring coupling with one side inner wall of second recess, one of them the bottom of second stopper contacts with the top of one of them first stopper, another the top of second stopper contacts with the bottom of another first stopper.

Preferably, the limiting ring is located in the annular groove, and one side of the first limiting block, which is far away from the ventilation annular base, is fixedly connected with a handle.

Preferably, the equal two second baffles of fixedly connected with of both sides inner wall of collar, one side of second baffle contacts with the one side that solid fixed ring was kept away from to the annular frame that ventilates.

Compared with the prior art, the invention has the following beneficial effects:

1. through the arrangement of the first sliding groove, the third clamping groove, the first groove, the connecting plates, the limiting clamping strip and the stop mechanism, the first movable rod and the second movable rod are driven to move close to each other, so that the two corresponding connecting plates move close to each other, the limiting clamping strip is separated from the corresponding third clamping groove, the limiting clamping strip moves into the first sliding groove, the limitation on the position of the ventilation annular base is removed, the ventilation annular base is driven to move, the ventilation annular base is not located in the mounting ring any more, the mounting ring and the ventilation annular base can be dismounted, and the operation steps are simple and convenient;

2. through the arranged elastic locking mechanism, when the first movable rod and the second movable rod are close to each other and move, the first spring is in a compressed state, one end of the threaded pipe is sleeved at one end of the first movable rod by driving the threaded pipe to rotate, so that the first movable rod and the second movable rod are fixed together, the first spring keeps in the compressed state, the limiting clamping strip is kept in a state of being separated from the third clamping groove, the first movable rod and the second movable rod do not need to be pulled all the time, and convenience is improved;

3. the position of the first limiting block is limited by the second groove, the second limiting block and the third spring, the first limiting block is prevented from rotating, the fixing ring and the limiting ring are prevented from rotating, the position of the first limiting block is limited by the first baffle and the supporting plate, the first limiting block is prevented from moving away from the ventilation annular base and further prevented from rotating in the annular groove, so that the fixing ring is fixed relative to the ventilation annular base, when the fixing ring and the protective net need to be dismantled, the second limiting block is driven to move, the second limiting block is enabled to completely slide into the second groove, the third spring is in a compressed state, the limitation on the position of the first limiting block is removed, the first limiting block can rotate, the first limiting block and the fixing ring are driven to rotate, and the first baffle is enabled not to be in contact with one side of the first limiting block away from the ventilation annular base any more, the first limiting block can move away from the ventilation annular base, so that the fixing ring is driven to move away from the ventilation annular base, the limiting ring is separated from the annular groove, the fixing ring and the protective net can be detached conveniently, the protective net and the fan blades can be cleaned conveniently, and later-stage use is facilitated;

4. the clamping plate is driven to move by the arrangement of the first fixing column, the first clamping block, the first clamping groove, the second fixing column, the second clamping groove, the movable column, the second clamping block, the movable groove, the limiting plate and the blocking mechanism, so that the telescopic rod drives the pressing plate to move, the two pressing plates are far away from moving, the pressing plate is finally prevented from contacting with the top of the limiting plate, the second spring is in a compressed state, the clamping plate moves to one side of the limiting groove, the clamping plate is driven to move towards the pressing plate, the telescopic rod is in a contracted state, the clamping plate is inserted into the second rectangular hole, the two ends of the clamping plate are respectively inserted into the two limiting grooves, the positions of the telescopic rod and the pressing plate are fixed, the second spring is kept in a compressed state, the clamping plate does not need to be pulled all the time, and the pressing plate is prevented from contacting with the top of the limiting plate, finally, the limitation on the position of the limiting plate is removed, the movable column and the second fixed column can move upwards, the driving motor body is lifted upwards, the first fixed column and the second fixed column move upwards, the first clamping block is separated from the first clamping groove, the movable column moves upwards, the second clamping block is separated from the second clamping groove, the limitation on the positions of the first fixed column and the second fixed column is removed, the fixing on the position of the driving motor body is removed, the driving motor body can be separated from the ventilation annular base, and the driving motor body is convenient to replace and overhaul.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the vented annular stand configuration of the present invention;

FIG. 3 is a schematic view of a mounting ring configuration of the present invention;

FIG. 4 is a schematic view of a portion of the enlarged structure at A in FIG. 1;

FIG. 5 is a schematic view of a portion of the enlarged structure at B in FIG. 1;

FIG. 6 is a schematic view of the stop mechanism of the present invention;

FIG. 7 is a schematic view of the internal structure of the elastic chamber according to the present invention;

FIG. 8 is a schematic view of the blocking mechanism of the present invention;

fig. 9 is a schematic view of a stopper ring structure of the present invention.

In the figure: 1. a ventilated annular stand; 2. a drive motor body; 3. a mounting ring; 4. a fixing ring; 5. a protective net; 6. a limiting ring; 7. an annular groove; 8. a first stopper; 9. a first fixed column; 10. a first clamping block; 11. a first card slot; 12. a second fixed column; 13. a second card slot; 14. a movable post; 15. a second fixture block; 16. a movable groove; 17. a limiting plate; 18. a first chute; 19. a third card slot; 20. a first groove; 21. a connecting plate; 22. limiting clamping strips; 23. a first rectangular hole; 24. connecting blocks; 25. a first movable bar; 26. a second movable bar; 27. an elastic chamber; 28. a movable block; 29. a connecting rod; 30. a first spring; 31. a threaded pipe; 32. a second chute; 33. a second rectangular hole; 34. a limiting groove; 35. clamping a plate; 36. a telescopic rod; 37. a pressing plate; 38. a first baffle plate; 39. a second groove; 40. a second limiting block; 41. a second spring; 42. a support plate; 43. a second baffle; 44. a handle; 45. a pull ring; 46. a fan blade; 47. and a third spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-9, a kitchen ventilation device convenient to install comprises a ventilation annular base 1 and a driving motor body 2, the ventilation annular base 1 is sleeved outside the driving motor body 2, the output end of the driving motor body 2 is provided with fan blades 46, the outside of the ventilation annular base 1 is sleeved with a mounting ring 3, one side of the ventilation annular base 1 is provided with a fixing ring 4, a protective net 5 is arranged in the fixing ring 4, one side of the fixing ring 4 is fixedly connected with a limiting ring 6, one side of the ventilation annular base 1 is provided with an annular groove 7, both sides of the fixing ring 4 are fixedly connected with first limiting blocks 8, the first limiting blocks 8 are connected with the ventilation annular base 1 through limiting components, each limiting component comprises an anti-falling mechanism and an anti-rotating mechanism, the driving motor body 2 is connected with the ventilation annular base 1 through a supporting and fixing component, each anti-falling mechanism comprises two first baffles 38, the first baffle 38 is connected with one side of the ventilation annular base 1 through a support plate 42, one side of the first baffle 38 is in contact with one side of the first limit block 8 far away from the ventilation annular base 1, one support plate 42 is positioned at the bottom of one first limit block 8, the other support plate 42 is positioned at the top of the other first limit block 8, the anti-rotation mechanism comprises two second grooves 39 arranged at one side of the ventilation annular base 1, second limit blocks 40 are arranged in the second grooves 39, one ends of the second limit blocks 40 extend to the outer parts of the second grooves 39, the other ends of the second limit blocks 40 are connected with the inner wall of one side of the second grooves 39 through third springs 47, the bottom of one second limit block 40 is in contact with the top of one first limit block 8, the top of the other second limit block 40 is in contact with the bottom of the other first limit block 8, and the first limit block is connected with the bottom of the other first limit block 8 through the second grooves 39, The second limiting block 40 and the third spring 47 limit the position of the first limiting block 8 to prevent the first limiting block 8 from rotating and further prevent the fixing ring 4 and the limiting ring 6 from rotating, the first baffle 38 and the support plate 42 are arranged to limit the position of the first limiting block 8 and prevent the first limiting block 8 from moving away from the ventilation ring base 1 and further prevent the limiting ring 6 from rotating in the annular groove 7, so that the fixing ring 4 is fixed relative to the ventilation ring base 1, when the fixing ring 4 and the protection net 5 need to be dismantled, the second limiting block 40 is driven to move, the second limiting block 40 completely slides into the second groove 39, the third spring 47 is in a compressed state, the limitation on the position of the first limiting block 8 is removed, the first limiting block 8 can rotate, the first limiting block 8 and the fixing ring 4 are driven to rotate, so that the first baffle 38 is not contacted with one side of the first limiting block 8 away from the ventilation ring base 1 any more, the first limiting block 8 can move away from the ventilation annular base 1, so that the fixing ring 4 is driven to move away from the ventilation annular base 1, the limiting ring 6 is separated from the annular groove 7, the fixing ring 4 and the protective net 5 can be detached conveniently, the protective net 5 and the fan blades 46 can be cleaned conveniently, and later-stage use is facilitated;

in this embodiment, the supporting and fixing assembly includes a first fixing column 9 and a second fixing column 12 disposed in the ventilation ring base 1, the top end of the first fixing column 9 is fixedly connected to the driving motor body 2, the bottom end of the second fixing column 12 is fixedly connected to the driving motor body 2, the bottom of the first fixing column 9 is fixedly connected to a first clamping block 10, the inner wall of the ventilation ring base 1 is provided with a first clamping groove 11, the top of the second fixing column 12 is provided with a second clamping groove 13, the upper portion of the second fixing column 12 is provided with a movable column 14, the bottom of the movable column 14 is fixedly connected to a second clamping block 15, the top of the ventilation ring base 1 is provided with a movable groove 16, a limiting plate 17 is disposed in the movable groove 16, the top end of the movable column 14 penetrates into the movable groove 16, the top of the movable column 14 is fixedly connected to the bottom of the limiting plate 17, and the top of the limiting plate 17 is provided with a blocking mechanism, the blocking mechanism comprises second sliding grooves 32 symmetrically arranged on the inner walls of two sides of the movable groove 16, a second rectangular hole 33 is arranged on the inner wall of one side of the second sliding groove 32, limiting grooves 34 are symmetrically arranged on the inner walls of two sides of the second rectangular hole 33, the inner wall of one side of each limiting groove 34 is communicated with one side of the ventilating annular base 1, two pressing plates 37 are arranged in the movable groove 16, one ends of the pressing plates 37 extend into the second sliding groove 32, one ends of the pressing plates 37 are connected with the inner wall of one side of the second sliding groove 32 through a plurality of second springs 41, two clamping plates 35 are arranged on one side of the ventilating annular base 1, one sides of the clamping plates 35 are connected with one side of each pressing plate 37 through telescopic rods 36, the telescopic rods 36 are positioned in the second rectangular holes 33, the tops of the limiting plates 17 are contacted with the bottoms of the pressing plates 37, the second clamping blocks 15 are positioned in the second clamping grooves 13, the first clamping blocks 10 are positioned in the first clamping grooves 11, the driving clamping plate 35 moves, so that the telescopic rod 36 drives the pressing plates 37 to move, and further two pressing plates 37 are far away from each other to move, and finally the pressing plates 37 are no longer in contact with the top of the limiting plate 17, the second spring 41 is in a compressed state, and simultaneously the clamping plate 35 moves to one side of the limiting groove 34, and further the driving clamping plate 35 moves towards the pressing plates 37, the telescopic rod 36 is in a contracted state, and further the clamping plate 35 is inserted into the second rectangular hole 33, and two ends of the clamping plate 35 are respectively inserted into the two limiting grooves 34, so as to limit the position of the clamping plate 35, so that the positions of the telescopic rod 36 and the pressing plates 37 are fixed, and further the second spring 41 keeps in a compressed state, and the clamping plate 35 does not need to be pulled all the time, because the pressing plates 37 are no longer in contact with the top of the limiting plate 17, the limitation on the position of the limiting plate 17 is finally removed, so that the movable column 14 and the second fixed column 12 can move upwards, lifting the driving motor body 2 upwards, moving the first fixing column 9 and the second fixing column 12 upwards, separating the first clamping block 10 from the first clamping groove 11, further moving the movable column 14 upwards to separate the second clamping block 15 from the second clamping groove 13, removing the position limitation of the first fixing column 9 and the second fixing column 12, further removing the position fixation of the driving motor body 2, separating the driving motor body 2 from the ventilation annular base 1, further facilitating the replacement and maintenance of the driving motor body 2, fixedly connecting a pull ring 45 to one side of the clamping plate 35, far away from the ventilation annular base 1, and facilitating the movement of the driving clamping plate 35 through the arranged pull ring 45;

in this embodiment, two first sliding grooves 18 are formed on both sides of the ventilation annular base 1, inner walls of both sides of the first sliding grooves 18 are communicated with both sides of the ventilation annular base 1, third clamping grooves 19 are formed on the first sliding grooves 18, two first grooves 20 are formed on inner walls of both sides of the mounting ring 3, a connecting plate 21 is arranged in the first sliding groove 18, a limiting clamping strip 22 is fixedly connected to the connecting plate 21, one end of the connecting plate 21 extends into the first groove 20, and two adjacent connecting plates 21 are connected by a locking mechanism, the locking mechanism includes a first rectangular hole 23 formed in an inner wall of one side of the first groove 20, two first movable rods 25 and two second movable rods 26 are arranged on one side of the mounting ring 3, connecting blocks 24 are fixedly connected to the first movable rods 25 and the second movable rods 26, the connecting blocks 24 penetrate through the first rectangular holes 23, and one side of the connecting blocks 24 is fixedly connected to one side of the connecting plates 21, the first movable rod 25 is located above the second movable rod 26, the first movable rod 25 and the second movable rod 26 are connected through an elastic locking mechanism, the first movable rod 25 and the second movable rod 26 are driven to move close to each other, and then the two corresponding connecting plates 21 are driven to move close to each other, so that the limiting clamping strips 22 are separated from the corresponding third clamping grooves 19, the limiting clamping strips 22 move into the first sliding grooves 18, the limitation on the position of the ventilation annular engine base 1 is removed, the ventilation annular engine base 1 is driven to move, the ventilation annular engine base 1 is no longer located in the installation ring 3, the installation ring 3 and the ventilation annular engine base 1 can be dismounted, the operation steps are simple and convenient, the elastic locking mechanism comprises a threaded pipe 31 sleeved outside the second movable rod 26, elastic cavities 27 are respectively arranged in the first movable rod 25 and the second movable rod 26, movable blocks 28 are arranged in the elastic cavities 27, one side of the movable block 28 is connected with the inner wall of one side of the elastic chamber 27 through a first spring 30, a connecting rod 29 is arranged between the first movable rod 25 and the second movable rod 26, two ends of the connecting rod 29 respectively penetrate into the two adjacent elastic chambers 27, two ends of the connecting rod 29 are respectively connected with the two movable blocks 28, the ends, close to the first movable rod 25 and the second movable rod 26, of the first movable rod 25 and the second movable rod 26 are respectively provided with a thread matched with a threaded pipe 31, through the arranged elastic locking mechanism, when the first movable rod 25 and the second movable rod 26 move close to each other, the first spring 30 is in a compressed state, and through driving the threaded pipe 31 to rotate, one end of the threaded pipe 31 is sleeved at one end of the first movable rod 25, so that the first movable rod 25 and the second movable rod 26 are fixed together, the first spring 30 keeps in a compressed state, so that the limit clamping strip 22 keeps a state of being separated from the third clamping groove 19, it is not necessary to pull the first movable bar 25 and the second movable bar 26 all the time, improving convenience.

In this embodiment, the spacing ring 6 is located ring channel 7, one side fixedly connected with handle 44 of ventilation annular frame 1 is kept away from to first stopper 8, two second baffles 43 of the equal fixedly connected with of both sides inner wall of collar 3, one side of second baffle 43 contacts with one side that solid fixed ring 4 was kept away from to ventilation annular frame 1, through the second baffle 43 that sets up, the position of spacing ventilation annular frame 1 in collar 3, make spacing calorie of strip 22 aim at third draw-in groove 19, through the handle 44 that sets up, be convenient for drive first stopper 8 and remove.

It should be noted that, when in use, the kitchen ventilation device convenient to install drives the first movable rod 25 and the second movable rod 26 to move close to each other through the first sliding slot 18, the third clamping slot 19, the first groove 20, the connecting plate 21, the limit clamping strip 22 and the stop mechanism, so that the two corresponding connecting plates 21 move close to each other, so that the limit clamping strip 22 is separated from the corresponding third clamping slot 19, the limit clamping strip 22 moves into the first sliding slot 18, the limit on the position of the ventilation annular base 1 is removed, and the ventilation annular base 1 is driven to move, so that the ventilation annular base 1 is no longer located in the installation ring 3, the removal of the installation ring 3 and the ventilation annular base 1 can be completed, the operation steps are simple and convenient, when the first movable rod 25 and the second movable rod 26 move close to each other, the first spring 30 is in a compressed state, the convenience is improved by driving the threaded pipe 31 to rotate, so that one end of the threaded pipe 31 is sleeved at one end of the first movable rod 25, the first movable rod 25 and the second movable rod 26 are fixed together, the first spring 30 keeps a compressed state, the limiting clamping strip 22 keeps a state of being separated from the third clamping groove 19, the first movable rod 25 and the second movable rod 26 do not need to be pulled all the time, when the fixing ring 4 and the protection net 5 need to be dismantled, the second limiting block 40 is driven to move, the second limiting block 40 completely slides into the second groove 39, the third spring 47 is in a compressed state, the limitation on the position of the first limiting block 8 is removed, the first limiting block 8 can rotate, the first limiting block 8 and the fixing ring 4 are driven to rotate, the first baffle 38 is not contacted with one side of the first limiting block 8 away from the annular ventilation base 1 any more, and the first limiting block 8 can move away from the annular ventilation base 1, and then the fixing ring 4 is driven to move away from the ventilation ring base 1, so that the limiting ring 6 is separated from the annular groove 7, and then the dismantling of the fixing ring 4 and the protective net 5 can be completed, so that the dismantling of the fixing ring 4 and the protective net 5 is facilitated, and further the protective net 5 and the fan blades 46 are facilitated to be cleaned, so that the later-stage use is facilitated, the clamping plate 35 is driven to move, so that the telescopic rod 36 drives the pressing plate 37 to move, so that the two pressing plates 37 are kept away from each other, and finally the pressing plate 37 is not contacted with the top of the limiting plate 17, the second spring 41 is in a compressed state, and meanwhile, the clamping plate 35 moves to one side of the limiting groove 34, so that the clamping plate 35 is driven to move towards the pressing plate 37, the telescopic rod 36 is in a contracted state, so that the clamping plate 35 is inserted into the second rectangular hole 33, and the two ends of the clamping plate 35 are respectively inserted into the two limiting grooves 34, so that the position of the clamping plate 35 is pressed, so that the positions of the telescopic rod 36 and the clamping plate 37 are fixed, and then make second spring 41 keep the compression state, need not stimulate cardboard 35 all the time, because press the clamp plate 37 no longer with the top contact of limiting plate 17, finally remove the injecing to the limiting plate 17 position, make activity post 14 and second fixed column 12 can shift up, and then lift driving motor body 2, first fixed column 9 and second fixed column 12 shift up, first fixture block 10 breaks away from first draw-in groove 11, and then shift up activity post 14, make second fixture block 15 break away from second draw-in groove 13, remove the injecing to first fixed column 9 and second fixed column 12 position, and then remove the fixed to driving motor body 2 position, make driving motor body 2 can break away from ventilation ring frame 1, and then be convenient for change the maintenance to driving motor body 2.

The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. It will be evident that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. Accordingly, the embodiments should be considered as exemplary and non-limiting. The above are only preferred embodiments of the present invention, and do not limit the scope of the claims of the present invention.

Claims

1. The utility model provides a kitchen ventilation unit easy to assemble which characterized in that: the ventilating ring-shaped base comprises a ventilating ring-shaped base (1) and a driving motor body (2), wherein the ventilating ring-shaped base (1) is sleeved outside the driving motor body (2), fan blades (46) are arranged at the output end of the driving motor body (2), a mounting ring (3) is sleeved outside the ventilating ring-shaped base (1), a fixing ring (4) is arranged on one side of the ventilating ring-shaped base (1), a protective net (5) is arranged in the fixing ring (4), a limiting ring (6) is fixedly connected to one side of the fixing ring (4), a ring groove (7) is formed in one side of the ventilating ring-shaped base (1), first limiting blocks (8) are fixedly connected to two sides of the fixing ring (4), the first limiting blocks (8) are connected with the ventilating ring-shaped base (1) through limiting assemblies, and each limiting assembly comprises an anti-falling mechanism and an anti-rotating mechanism, the driving motor body (2) is connected with the ventilation annular base (1) through a supporting and fixing component;

the supporting and fixing assembly comprises a first fixing column (9) and a second fixing column (12) which are arranged in a ventilation annular base (1), the top end of the first fixing column (9) is fixedly connected with a driving motor body (2), the bottom end of the second fixing column (12) is fixedly connected with the driving motor body (2), a first clamping block (10) is fixedly connected with the bottom of the first fixing column (9), a first clamping groove (11) is formed in the inner wall of the ventilation annular base (1), a second clamping groove (13) is formed in the top of the second fixing column (12), a movable column (14) is arranged above the second fixing column (12), a second clamping block (15) is fixedly connected with the bottom of the movable column (14), a movable groove (16) is formed in the top of the ventilation annular base (1), and a limiting plate (17) is arranged in the movable groove (16), the top end of the movable column (14) penetrates into the movable groove (16), the top of the movable column (14) is fixedly connected with the bottom of the limiting plate (17), and the top of the limiting plate (17) is provided with a blocking mechanism;

two first sliding grooves (18) are formed in two sides of the ventilation annular base (1), inner walls of two sides of the first sliding grooves (18) are communicated with two sides of the ventilation annular base (1), third clamping grooves (19) are formed in the first sliding grooves (18), two first grooves (20) are formed in inner walls of two sides of the mounting ring (3), connecting plates (21) are arranged in the first sliding grooves (18), limiting clamping strips (22) are fixedly connected to the connecting plates (21), one ends of the connecting plates (21) extend into the first grooves (20), and two adjacent connecting plates (21) are connected through a stopping mechanism;

the locking mechanism comprises a first rectangular hole (23) formed in the inner wall of one side of the first groove (20), two first movable rods (25) and two second movable rods (26) are arranged on one side of the mounting ring (3), connecting blocks (24) are fixedly connected to the first movable rods (25) and the second movable rods (26), the connecting blocks (24) penetrate through the first rectangular hole (23), one side of each connecting block (24) is fixedly connected with one side of the corresponding connecting plate (21), the first movable rods (25) are located above the second movable rods (26), and the first movable rods (25) are connected with the second movable rods (26) through elastic locking mechanisms;

elastic lock dies mechanism locates outside screwed pipe (31) of second movable rod (26) including the cover, all offer elasticity cavity (27) in first movable rod (25) and second movable rod (26), be equipped with movable block (28) in elasticity cavity (27), one side of movable block (28) is connected through first spring (30) with one side inner wall of elasticity cavity (27), be equipped with connecting rod (29) between first movable rod (25) and second movable rod (26), the both ends of connecting rod (29) are run through respectively to two adjacent elasticity cavities (27) in, just the both ends of connecting rod (29) are connected with two movable blocks (28) respectively, the one end that first movable rod (25) and second movable rod (26) are close to mutually all is equipped with the screw thread with screwed pipe (31) matched with.

2. An easy to install kitchen ventilation device according to claim 1, characterized in that: the blocking mechanism comprises second sliding chutes (32) symmetrically arranged on the inner walls of the two sides of the movable groove (16), a second rectangular hole (33) is arranged on the inner wall of one side of the second sliding chute (32), limiting grooves (34) are symmetrically arranged on the inner walls of two sides of the second rectangular hole (33), and the inner wall of one side of the limit groove (34) is communicated with one side of the ventilation annular base (1), two pressing plates (37) are arranged in the movable groove (16), one end of each pressing plate (37) extends into the second sliding groove (32), one end of the pressing plate (37) is connected with the inner wall of one side of the second sliding chute (32) through a plurality of second springs (41), one side of the ventilation annular base (1) is provided with two clamping plates (35), one side of each clamping plate (35) is connected with one side of each pressing plate (37) through an expansion rod (36), and the expansion rods (36) are located in the second rectangular holes (33).

3. An easy to install kitchen ventilation device according to claim 2, characterized in that: the top of the limiting plate (17) is in contact with the bottom of the pressing plate (37), the second clamping block (15) is located in the second clamping groove (13), and the first clamping block (10) is located in the first clamping groove (11).

4. An easy to install kitchen ventilation device according to claim 3, characterized in that: and one side of the clamping plate (35) far away from the ventilation annular base (1) is fixedly connected with a pull ring (45).

5. An easy to install kitchen ventilation device according to claim 1, characterized in that: the anti-falling mechanism comprises two first baffle plates (38), the first baffle plates (38) are connected with one side of the ventilation annular base (1) through a supporting plate (42), one side of each first baffle plate (38) is in contact with one side of the first limiting block (8) far away from the ventilation annular base (1), one of the first baffle plates is located at the bottom of one of the first limiting blocks (8) through the supporting plate (42), and the other supporting plate (42) is located at the top of the other first limiting block (8).

6. An easy to install kitchen ventilation device according to claim 1, characterized in that: prevent changeing the mechanism and include two second recess (39) of seting up in ventilation annular frame (1) one side, be equipped with second stopper (40) in second recess (39), the one end of second stopper (40) extends to the outside of second recess (39), the other end of second stopper (40) is connected through third spring (47) with one side inner wall of second recess (39), one of them the bottom of second stopper (40) contacts with the top of one of them first stopper (8), another the top of second stopper (40) contacts with the bottom of another first stopper (8).

7. An easy to install kitchen ventilation device according to claim 1, characterized in that: the limiting ring (6) is located in the annular groove (7), and the first limiting block (8) is far away from one side of the ventilation annular base (1) and is fixedly connected with a handle (44).

8. An easy to install kitchen ventilation device according to claim 1, characterized in that: two second baffles (43) of equal fixedly connected with of both sides inner wall of collar (3), one side of second baffle (43) contacts with the one side that solid fixed ring (4) was kept away from in ventilation annular frame (1).