CN206846995U - A kind of use for laboratory ventilation equipment - Google Patents
A kind of use for laboratory ventilation equipment Download PDFInfo
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- CN206846995U CN206846995U CN201720684785.8U CN201720684785U CN206846995U CN 206846995 U CN206846995 U CN 206846995U CN 201720684785 U CN201720684785 U CN 201720684785U CN 206846995 U CN206846995 U CN 206846995U
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Abstract
The utility model discloses a kind of use for laboratory ventilation equipment, including plate, the both sides of the plate are provided with circular hole, the lower middle side part of the upper end closed connection circular shaft part of the movable joint flexible pipe, follow block is fixedly mounted in the left part of the inserted link, and the right-hand member of the inserted link is fixedly connected in the middle part of the left end of arm-tie.The front and rear square ell of upset, drive the upset of circular shaft part, pass through the first spring back pressure friction plate, increase overturns the rotary resistance of square ell, it ensure that square ell will not be without front and rear upset in the case of artificial, more convenient regulation plenum height, pull out arm-tie, inserted link is driven to move right, closing door-plate is driven instantaneously to be removed inside square loose slot, push pull bar, flexible square bar part is driven to move down, when door-plate regulation to be closed is to suitable height, and lockhole corresponds to the end of inserted link, unclamp arm-tie, pin closing door-plate, then it have adjusted the ventilating opening size of the ventilation equipment of the use for laboratory.
Description
Technical field
Ventilation equipment technical field is the utility model is related to, specially a kind of use for laboratory ventilation equipment.
Background technology
Often along with chemicals smell in laboratory, however as social development, the environment in laboratory also has very big change
It is kind, ventilation shaft will be installed on each laboratory table, then by the operating of outside ventilation blower, discharge laboratory internal chemicals
Smell.
But existing ventilation shaft can not be more convenient to adjust ventilation shaft ventilating opening size, to adapt to different chemical experiments
Requirement of the product to volatility, and need the more preferable position for adjusting ventilation shaft to meet the ventilation of the experimental apparatus of different height
Need.
Utility model content
The purpose of this utility model is to provide a kind of use for laboratory ventilation equipment, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of use for laboratory ventilation equipment, including plate
Part, the both sides of the plate are provided with circular hole, and the middle part of the plate is soft by movable span activity installation movable joint flexible pipe, the movable joint
The lower middle side part of the upper end closed connection circular shaft part of pipe, the inside of the circular shaft part is provided with internal pipeline, a left side for the circular shaft part
Right both ends are fixedly connected with the outer corresponding end of rotating shaft part, and the outer correspondence portion of the rotating shaft part is rotatably installed in square convex by rotary axis groove
Rise interior correspondence portion, the outer corresponding end of the interior corresponding end frictional connection friction plate of the square protruding, the friction plate it is interior right
The outer corresponding end for first spring that is slidably connected should be held, the upper middle side part closing of the circular shaft part connects the lower end of square ell,
The top of the square ell is fixed by square loose slot activity installation closing door-plate, the upper center of the closing door-plate
The lower end of the flexible square bar part of connection, the upper end of the flexible square bar part is fixedly connected with the lower middle side part of pull bar, the flexible square bar
The lower outside of part is cased with second spring, and the flexible square bar part is movably arranged on square frame upper center by square opening,
The inside of the flexible square bar part is movably arranged on inverted U plate by lockhole activity installation inserted link, the inserted link by circular hole
Follow block is fixedly mounted in middle part, the left part of the inserted link, and the right-hand member of the follow block is fixedly connected with the 3rd spring, the right-hand member of the inserted link
It is fixedly connected in the middle part of the left end of arm-tie.
Preferably, the movable joint flexible pipe is to leading to internal pipeline, and internal pipeline is to the inside of logical square ell.
Preferably, the interior corresponding end of first spring is fixedly connected with the left and right ends of circular shaft part.
Preferably, the lower end of the second spring is fixedly connected with the upper center of closing door-plate.
Preferably, the upper end of the second spring is fixedly connected in the middle part of the inner top side of square frame.
Preferably, the lower end left part of the inverted U plate is fixedly connected with the upper end right part of square frame.
Preferably, first spring housing is on the outside of the interior correspondence portion of rotating shaft part.
Preferably, the 3rd spring housing is at the middle part of inserted link, and the right-hand member of the 3rd spring is fixedly connected on the inside of inverted U plate
Right-hand member.
Compared with prior art, the beneficial effects of the utility model are：The ventilation equipment of the use for laboratory, front and rear upset side
Shape ell, the upset of circular shaft part is driven, by the first spring back pressure friction plate, increase overturns the rotary resistance of square ell,
It ensure that square ell will not be more convenient regulation plenum height, pull out arm-tie without front and rear upset in the case of artificial,
Drive inserted link to move right, while drive follow block to compress the 3rd spring, inserted link abjection lockhole, by the resilience of the 3rd spring, stretch
Contracting square bar part instantaneously moves up, and drives closing door-plate instantaneously to be removed inside square loose slot, pushes pull bar, drives flexible square bar part
Move down, when door-plate regulation to be closed is to suitable height, and lockhole corresponds to the end of inserted link, unclamps arm-tie, passes through the 3rd spring
Resilience, inserted link is sprung into lockhole, pins closing door-plate, the ventilating opening that then have adjusted the ventilation equipment of the use for laboratory is big
It is small, to adapt to requirement of the different chemical experiment product to volatility.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is sectional view of the present utility model；
Fig. 3 is that the utility model closes door-plate and square loose slot cooperation schematic diagram.
In figure：1 plate, 2 circular holes, 3 movable spans, 4 movable joint flexible pipes, 5 circular shaft parts, 6 internal pipelines, 7 rotating shaft parts, 8 rotary axis grooves,
9 square protrudings, 11 friction plates, 12 first springs, 13 square ells, 14 square loose slots, 15 closing door-plates, 16 flexible square bars
Part, 17 pull bars, 18 second springs, 19 square frames, 20 lockholes, 21 inserted links, 22 inverted U plates, 23 follow blocks, 24 the 3rd springs, 25
Arm-tie.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", " preceding ",
The orientation or position relationship of the instruction such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " be based on
Orientation shown in the drawings or position relationship, it is for only for ease of description the utility model, rather than instruction or the dress for implying meaning
Put or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model
Limitation.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of use for laboratory ventilation equipment, including plate
1, the both sides of plate 1 are provided with circular hole 2, and the convenient ventilation equipment by the use for laboratory are arranged on the desktop in laboratory, plate 1
By the activity installation movable joint of movable span 3 flexible pipe 4, movable joint flexible pipe 4 is used for connecting outside air exhauster, ensure that movable joint flexible pipe 4 at middle part
More easily move forward and backward, movable joint flexible pipe 4 is to leading to internal pipeline 6, and internal pipeline 6 is to the inside of logical square ell 13, living
The lower middle side part of the upper end closed connection circular shaft part 5 of flexible pipe 4 is saved, ensure that movable joint flexible pipe 4 and the internal pipeline at the middle part of rotating shaft part 5
The closure of 6 connections, makes ventilation more efficient, and the inside of circular shaft part 5 is provided with internal pipeline 6, and movable joint flexible pipe 4 is to leading to inner tube
Road 6, and internal pipeline 6, to the inside of logical square ell 13, the left and right ends of circular shaft part 5 are fixedly connected with the outer right of rotating shaft part 7
Ying Duan, the outer correspondence portion of rotating shaft part 7 are rotatably installed in the interior correspondence portion of square protruding 9 by rotary axis groove 8, square protruding 9 it is interior
The outer corresponding end of corresponding end frictional connection friction plate 11, the interior corresponding end of friction plate 11 are slidably connected the outer correspondence of the first spring 12
End, the first spring 12 are enclosed on the interior correspondence portion outside of rotating shaft part 7, and the first spring 12 is compressive state, the first spring 12 it is interior right
The left and right ends for being fixedly connected with circular shaft part 5 should be held, the upper middle side part closing of circular shaft part 5 connects the lower end of square ell 13, after
And ensure that the internal pipeline 6 inside circular shaft part 5 and the closure that the inside of square ell 13 is connected, square ell 13 it is upper
Portion ensure that closing door-plate 15 can be in the square inside of loose slot 14 up and down by the square activity of loose slot 14 installation closing door-plate 15
Mobile, the upper center of closing door-plate 15 is fixedly connected with the lower end of flexible square bar part 16, and the upper end for the square bar part 16 that stretches, which is fixed, to be connected
The lower middle side part of pull bar 17 is connect, the lower outside of flexible square bar part 16 is cased with second spring 18, and the upper end of second spring 18 is fixed
In the middle part of the inner top side for connecting square frame 19, second spring stability flexible about 18 ensure that, under second spring 18
End is fixedly connected with the upper center of closing door-plate 15, and second spring 18 is extended state, and flexible square bar part 16 is lived by square opening
Dynamic to be arranged on the upper center of square frame 19, the inside for the square bar part 16 that stretches passes through the activity installation inserted link 21 of lockhole 20, inserted link 21
The middle part of inverted U plate 22 is movably arranged on by circular hole, ensure that the stability that inserted link 21 moves left and right, under inverted U plate 22
End left part is fixedly connected with the upper end right part of square frame 19, ensure that the stability of inverted U plate 22, and the left part of inserted link 21 fixes peace
Follow block 23 is filled, the right-hand member of follow block 23 is fixedly connected with the 3rd spring 24, and the 3rd spring 24 is enclosed on the middle part of inserted link 21, ensure that the 3rd
The flexible stability of spring 24, and the right-hand member of the 3rd spring 24 is fixedly connected with the inner side right-hand member of inverted U plate 22, the right-hand member of inserted link 21 is consolidated
Surely in the middle part of the left end for connecting arm-tie 25.
The utility model is in the specific implementation：The front and rear square ell 13 of upset, drives circular shaft part 5 to overturn, passes through first
The back pressure friction plate 11 of spring 12, then increase friction plate 11 and the frictional resistance of corresponding end in square protruding 9, then increase upset
The rotary resistance of square ell 13, it ensure that square ell 13 will not be convenient to adjust without front and rear upset in the case of artificial
The angle of ventilation is saved, pulls out arm-tie 25, drives inserted link 21 to move right, while drives follow block 23 to compress the 3rd spring 24,
Inserted link 21 deviates from lockhole 20, and by the resilience of the 3rd spring 24, flexible square bar part 16 instantaneously moves up, and drives closing door-plate 15 instantaneous
From the removal of the square inside of loose slot 14, pull bar 17 is pushed, drives flexible square bar part 16 to move down, door-plate 15 to be closed is adjusted to suitable
Height when, arm-tie 25 is unclamped, by the resilience of the 3rd spring 24, by the bullet of inserted link 21 in and the end of the corresponding inserted link 21 of lockhole 20
Enter in lockhole 20, pin closing door-plate 15, then have adjusted the ventilating opening size of the ventilation equipment of the use for laboratory.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of use for laboratory ventilation equipment, including plate（1）, it is characterised in that：The plate（1）Both sides be provided with circular hole
（2）, the plate（1）Middle part pass through movable span（3）Activity installation movable joint flexible pipe（4）, the movable joint flexible pipe（4）Upper end seal
Close connection circular shaft part（5）Lower middle side part, the circular shaft part（5）Inside be provided with internal pipeline（6）, the circular shaft part（5）'s
Left and right ends are fixedly connected with rotating shaft part（7）Outer corresponding end, the rotating shaft part（7）Outer correspondence portion pass through rotary axis groove（8）Rotate
Installed in square protruding（9）Interior correspondence portion, the square protruding（9）Interior corresponding end frictional connection friction plate（11）It is outer right
Ying Duan, the friction plate（11）Interior corresponding end be slidably connected the first spring（12）Outer corresponding end, the circular shaft part（5）It is upper
Middle side part closing connects square ell（13）Lower end, the square ell（13）Top pass through square loose slot（14）
Activity installation closing door-plate（15）, the closing door-plate（15）Upper center be fixedly connected with flexible square bar part（16）Lower end,
The flexible square bar part（16）Upper end be fixedly connected with pull bar（17）Lower middle side part, the flexible square bar part（16）Bottom outside
Side is cased with second spring（18）, the flexible square bar part（16）Square frame is movably arranged on by square opening（19）In upper end
Portion, the flexible square bar part（16）Inside pass through lockhole（20）Activity installation inserted link（21）, the inserted link（21）Pass through circular hole
It is movably arranged on inverted U plate（22）Middle part, the inserted link（21）Left part be fixedly mounted follow block（23）, the follow block（23）'s
Right-hand member is fixedly connected with the 3rd spring（24）, the inserted link（21）Right-hand member be fixedly connected with arm-tie（25）Left end in the middle part of.
A kind of 2. use for laboratory ventilation equipment according to claim 1, it is characterised in that：The movable joint flexible pipe（4）To logical
Internal pipeline（6）, and internal pipeline（6）To leading to square ell（13）Inside.
A kind of 3. use for laboratory ventilation equipment according to claim 1, it is characterised in that：First spring（12）It is interior
Corresponding end is fixedly connected with circular shaft part（5）Left and right ends.
A kind of 4. use for laboratory ventilation equipment according to claim 1, it is characterised in that：The second spring（18）Under
End is fixedly connected with closing door-plate（15）Upper center.
A kind of 5. use for laboratory ventilation equipment according to claim 1, it is characterised in that：The second spring（18）It is upper
End is fixedly connected with square frame（19）Inner top side in the middle part of.
A kind of 6. use for laboratory ventilation equipment according to claim 1, it is characterised in that：The inverted U plate（22）Under
End left part is fixedly connected with square frame（19）Upper end right part.
A kind of 7. use for laboratory ventilation equipment according to claim 1, it is characterised in that：First spring（12）It is enclosed on
Rotating shaft part（7）Interior correspondence portion on the outside of.
A kind of 8. use for laboratory ventilation equipment according to claim 1, it is characterised in that：3rd spring（24）It is enclosed on
Inserted link（21）Middle part, and the 3rd spring（24）Right-hand member be fixedly connected with inverted U plate（22）Inner side right-hand member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720684785.8U CN206846995U (en) | 2017-06-13 | 2017-06-13 | A kind of use for laboratory ventilation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720684785.8U CN206846995U (en) | 2017-06-13 | 2017-06-13 | A kind of use for laboratory ventilation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206846995U true CN206846995U (en) | 2018-01-05 |
Family
ID=60800124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720684785.8U Expired - Fee Related CN206846995U (en) | 2017-06-13 | 2017-06-13 | A kind of use for laboratory ventilation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206846995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331105A (en) * | 2018-01-24 | 2018-07-27 | 仲先亮 | A kind of sewer line dredging device |
-
2017
- 2017-06-13 CN CN201720684785.8U patent/CN206846995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331105A (en) * | 2018-01-24 | 2018-07-27 | 仲先亮 | A kind of sewer line dredging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20200613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |