CN207033838U - A kind of wind cap opening device in blower fan - Google Patents
A kind of wind cap opening device in blower fan Download PDFInfo
- Publication number
- CN207033838U CN207033838U CN201720960773.3U CN201720960773U CN207033838U CN 207033838 U CN207033838 U CN 207033838U CN 201720960773 U CN201720960773 U CN 201720960773U CN 207033838 U CN207033838 U CN 207033838U
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- CN
- China
- Prior art keywords
- blast cap
- staving
- air duct
- blower fan
- opening device
- 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.)
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Abstract
The utility model provides the wind cap opening device in a kind of blower fan, belongs to field of mechanical technique.It solves the problems, such as that existing opening device manufacturing cost is high.In the utility model, blower fan includes air duct and blast cap, blast cap is made up of left blast cap and right blast cap, left blast cap and right blast cap are hinged with air duct, blast cap headstock gear includes two push rods in air duct, two push rod upper ends are connected with left blast cap and right blast cap respectively by hinge, staving is fixedly provided with air duct, staving left end and right-hand member are in open state and closed respectively, piston is provided with staving, the inner chamber of staving is divided into mutual disconnected left chamber and right chamber by piston, there is straight tube-like connecting portion at the top of staving, connecting portion has two, two push rod lower ends are respectively inserted in two connecting portions, being horizontally disposed with left chamber has drive rod, drive rod right-hand member is fixedly connected with piston, the present apparatus also includes the actuator that drive rod or so can be promoted to translate, hydraulic oil is filled with right chamber.The utility model has the advantages of manufacturing cost is low.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of blower fan, and the blast cap in particularly a kind of blower fan opens dress
Put.
Background technology
At present, the blast cap material generally use fiberglass of China's roof-type ventilator, its upright projection are circular, tool mostly
There is simple in construction, easily manufactured, lower-price characteristic.It is but particularly large-scale because blast cap uses overall package fixed structure
Matched with blower motor run-of-the-mill can just enter blower fan more than 100kg after blast cap, impeller and motor need to be removed when maintenance of fan
Inside, and user can not find suitable lifting tool for the moment, the maintenance to equipment brings many inconvenience and potential safety hazard.
To solve above-mentioned technical problem, people, which have invented one kind, makes blast cap can random angle in the range of certain angle
The roof-type ventilator wind cap opening device opened is spent, to facilitate overhaul of the equipments.Above-mentioned device is by blast cap, push rod, actuator
Deng composition.Wherein, blast cap is made up of left blast cap and right blast cap, and left blast cap and right blast cap are cut with scissors by the air duct of rotating shaft and blower fan
Connect；Push rod has two and is vertically arranged in air duct, the upper ends of two push rods by hinge respectively with left blast cap and right blast cap
It is connected；Actuator has two and is each attached in air duct, actuator can driving push rod slide up and down, make left blast cap and right blast cap
Rotate to open or cover the nozzle of air duct.
Existing opening device has a problem that：The drive mechanism that actuator and push rod are formed and left blast cap and right wind
Cap is individually adapted to, and causes the cost of whole device higher.
Utility model content
The purpose of this utility model is above mentioned problem be present for existing technology, it is proposed that the blast cap in a kind of blower fan is opened
Opening device, the technical problem of solution are how to reduce manufacturing cost.
The purpose of this utility model can be realized by following technical proposal：A kind of wind cap opening device in blower fan, wind
Machine includes air duct, the motor being installed in air duct and the blast cap at the top of air duct, and described blast cap is by left blast cap and right wind
Cap is formed, and left blast cap and right blast cap are hinged by rotating shaft and described air duct, and this blast cap headstock gear includes being vertically arranged
Push rod in air duct, push rod have two and are respectively at the both sides of motor, and the upper end of the push rod described in two passes through hinge point
It is not connected with left blast cap and right blast cap, it is characterised in that also level is installed with staving in described air duct, and at described staving
Below motor, the left end and right-hand member of staving are in open state and closed respectively, piston are provided with staving, and described piston will
The inner chamber of staving is divided into mutual disconnected left chamber and right chamber, and the top of described staving has the connecting portion in straight tube-like protrusion,
And the inner chamber of connecting portion is connected with described right chamber, described connecting portion has two, and the lower end of two above-mentioned push rods is inserted respectively
In two connecting portions, and sealing is formed between push rod and connecting portion madial wall, being horizontally disposed with described left chamber has drive rod, drives
The right-hand member of lever is fixedly connected with piston, and this blast cap headstock gear also includes the actuator that drive rod or so can be promoted to translate, described
Right chamber in be filled with hydraulic oil.
Blast cap opening process is as follows：Actuator promotes drive rod to move to right compression hydraulic oil, hydraulic oil is entered connecting portion
Interior promotion push rod moves up, so as to drive left blast cap and right blast cap to rotate to open the nozzle of air duct simultaneously, so as to facilitate blower fan
Maintenance.
The present apparatus need to can only be realized simultaneously under the cooperation of an actuator, a staving and a piston left fan housing and
The rotation of right fan housing, relative to " left fan housing and right fan housing be connected respectively with two actuators realization individually rotate " in the prior art this
The overall cost of one technical scheme, staving and piston will be far below the cost of actuator, so can effectively reduce opening device
Manufacturing cost.
In wind cap opening device in above-mentioned blower fan, the left end of described drive rod stretches out staving and air duct successively,
Described actuator is located at outside air duct, has handle on the actuator, and by rotating or pressing shifting of the handle capable of being to drive rod
It is dynamic that power is provided.
The mode of manually rotational handle either Manual press handle is only needed to complete to open the operation of fan housing,
I.e. the present apparatus makes the present apparatus be applied to varying environment, to carry completely without connection external power supply (electric energy or air can wait)
High practicability.
In wind cap opening device in above-mentioned blower fan, described actuator is jack or hydraulic hand-pump.
Alternatively, in the wind cap opening device in above-mentioned blower fan, described actuator is installed in air duct
Interior, the actuator is electric pushrod, and the bar portion of electric pushrod and the left end of described drive rod are fixedly connected with.
In wind cap opening device in above-mentioned blower fan, the bottom side of the wall of described push rod is provided with coaxial with the push rod
Annular groove, is provided with 0 shape circle in described annular groove, and the outer peripheral face of 0 shape circle and the madial wall of connecting portion offset.
In the presence of 0 shape circle, make to form reliable sealing between push rod and connecting portion, to prevent hydraulic fluid leak, come
Improve the job stability of the present apparatus.
In wind cap opening device in above-mentioned blower fan, described piston includes the body being in the form of a column, described body
Lateral wall on offer the annular seal groove coaxial with the body, described annular seal groove has two and along the axial direction of body
Uniformly, annular oil seal is equipped with the annular seal groove described in two, and the lateral wall of annular oil seal and the madial wall of staving offset
Lean on.
Compared with prior art, the wind cap opening device in this blower fan has advantages below：
1st, the present apparatus only can need to simultaneously realize left fan housing under the cooperation of an actuator, a staving and a piston
With the rotation of right fan housing, relative to " left fan housing and right fan housing be connected respectively with two actuators realization individually rotate " in the prior art
The overall cost of this technical scheme, staving and piston will be far below the cost of actuator, so can effectively reduce unlatching dress
The manufacturing cost put.
2nd, the mode of manually rotational handle either Manual press handle is only needed to complete to open the operation of fan housing,
I.e. the present apparatus makes the present apparatus be applied to varying environment, to carry completely without connection external power supply (electric energy or air can wait)
High practicability.
Brief description of the drawings
Fig. 1 is the structural representation before the wind cap opening device use in this blower fan.
Fig. 2 is the mplifying structure schematic diagram at A in Fig. 1.
Fig. 3 is the structural representation after the wind cap opening device use in this blower fan.
In figure, 1, air duct；2nd, motor；3rd, blast cap；3a, left blast cap；3b, right blast cap；4th, rotating shaft；5th, usher to seat flange profile shaft
Hold；6th, push rod；7th, staving；7a, left chamber；7b, right chamber；7c, connecting portion；8th, drive rod；9th, actuator；9a, handle；10th, piston；
10a, annular oil seal；10b, body；11st, hinge；12nd, support；13rd, 0 shape circle.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Embodiment one
As shown in figure 1, in wind cap opening device in blower fan, blower fan include air duct 1, the motor 2 being installed in air duct 1 with
And the blast cap 3 located at the top of air duct 1.Wherein, blast cap 3 is made up of left blast cap 3a and right blast cap 3b, and preferably left blast cap 3a and the right side
Blast cap 3b respectively accounts for the half of blast cap 3.Left blast cap 3a and right blast cap 3b is be hinged by rotating shaft 4 and air duct 1, and by rotating left wind
Cap 3a and right blast cap 3b can cover or open the nozzle of air duct 1.In the present embodiment, the both sides of air duct 1, which are respectively and fixedly provided with, ushers to seat
Flange-type bearing 5, rotating shaft 4 is L-shaped, and one end of two rotating shafts 4 flange-type bearing 5 of being usherd to seat respectively with two is connected, and two rotating shafts 4 is another
One end is fixedly connected with left blast cap 3a and right blast cap 3b respectively, stably to realize that left blast cap 3a and air duct 1 are hinged and right wind
The purpose that cap 3b is hinged with air duct 1.
This wind cap opening device is made up of push rod 6, staving 7, drive rod 8, actuator 9, piston 10 etc..Wherein, push rod 6 is in
Direct rod shape and it is vertically arranged in air duct 1.As shown in figure 1, push rod 6 has two and is respectively arranged on the both sides of motor 2.Wherein one
Push rod 6 is connected by hinge 11 with left fan housing, and another push rod 6 is connected also by hinge 11 with right fan housing.
Staving 7 is arranged horizontally in air duct 1, and now, staving 7 is in the underface of motor 2.As shown in figure 1, bucket
The left end and right-hand member of body 7 are in respectively open state and closed, and the right-hand member of staving 7 is fixedly connected with by support 12 and staving 7.
As shown in Figure 1 to Figure 3, piston 10 is arranged in staving 7, and the inner chamber of staving 7 is divided into and do not connected mutually by the piston 10
Logical left chamber 7a and right chamber 7b.In the present embodiment, piston 10 is made up of annular oil seal 10a and the body 10b being in the form of a column, its
In, the annular seal groove coaxial with body 10b is offered on body 10b lateral wall, annular seal groove there are two and along originally
Body 10b's is axially uniform, is equipped with above-mentioned annular oil seal 10a in two annular seal grooves, and annular oil seal 10a lateral wall with
The madial wall of staving 7 leans, to be stably formed right chamber 7b and left chamber 7a in staving 7.
As shown in figure 1, the top of staving 7 has the connecting portion 7c in straight tube-like protrusion, and connecting portion 7c and staving 7 are one
Body formula structure.Connecting portion 7c has two, and intracavity inter-connection of the two connecting portion 7c inner chamber with staving 7.Two above-mentioned push rods 6
Lower end be respectively inserted in two connecting portion 7c, and between push rod 6 and connecting portion 7c madial walls formed sealing.Specifically, two push away
The annular groove coaxial with push rod 6 is equipped with the bottom side of the wall of bar 6,0 shape circle 13, and 0 shape circle are equipped with two annular grooves
13 outer peripheral face offsets with corresponding connecting portion 7c madial wall, makes to form reliable sealing between connecting portion 7c and push rod 6.From
So, using " side wall of push rod 6 and connecting portion 7c madial wall match and sticked together ", this technical scheme equally can
Realize the purpose that sealing is formed between connecting portion 7c and push rod 6.
Drive rod 8 is in direct rod shape and is horizontally set in left chamber 7a.The right-hand member of drive rod 8 is fixedly connected with body 10b, this wind
Cap headstock gear also includes the actuator 9 that drive rod 8 or so can be promoted to translate, and hydraulic oil is filled with right chamber 7b.
Further illustrate, the left end of drive rod 8 stretches out staving 7 and air duct 1 successively, and actuator 9 is located at outside air duct 1, and drives
There is handle 9a on moving part 9.In the present embodiment, actuator 9 is jack, the push rod of jack and the left end phase of drive rod 8
It is connected, and the mobile offer power of actuator 9 can be provided by rotational handle 9a.Naturally, actuator 9 is also can for hydraulic hand-pump
With, wherein, the left end of the bar of piston 10 and actuator 9 of hydraulic hand-pump is fixedly connected with, and can be to driving by pressing handle 9a
The mobile offer power of bar 8.
As shown in figures 1 and 3, blast cap opening process is as follows：Actuator 9 promotes drive rod 8 to move to right compression hydraulic oil, makes liquid
Force feed, which is entered in connecting portion 7c, promotes push rod 6 to move up, so as to drive left blast cap 3a and right blast cap 3b to rotate to open wind simultaneously
The nozzle of cylinder 1, so as to facilitate the maintenance of blower fan.
Embodiment two
The present embodiment two is essentially identical with the structure and principle of embodiment one, and different place is：Actuator 9 is fixed
In air duct 1, the actuator 9 is electric pushrod 6, and the bar portion of electric pushrod 6 and the left end of drive rod 8 are fixedly connected with.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
1. the wind cap opening device in a kind of blower fan, blower fan includes air duct (1), the motor (2) being installed in air duct (1) and set
Blast cap (3) at the top of air duct (1), described blast cap (3) are made up of left blast cap (3a) and right blast cap (3b), and left blast cap (3a)
Be hinged by rotating shaft (4) and described air duct (1) with right blast cap (3b), this blast cap headstock gear includes being vertically arranged in air duct
(1) push rod (6) in, push rod (6) have two and are respectively at the both sides of motor (2), and the upper end of the push rod (6) described in two is logical
Cross hinge (11) respectively with left blast cap (3a) and right blast cap (3b) to be connected, it is characterised in that also horizontal solid in described air duct (1)
Provided with staving (7), and described staving (7) is in below motor (2), the left end and right-hand member of staving (7) respectively in open state and
Closed, staving (7) is interior to be provided with piston (10), and the inner chamber of staving (7) is divided into a mutual disconnected left side by described piston (10)
Chamber (7a) and right chamber (7b), the top of described staving (7) have the connecting portion (7c) in straight tube-like protrusion, and connecting portion (7c)
Inner chamber be connected with described right chamber (7b), described connecting portion (7c) has two, the lower end difference of two above-mentioned push rods (6)
It is inserted in two connecting portions (7c), and sealing, described left chamber (7a) interior water is formed between push rod (6) and connecting portion (7c) madial wall
Flat to be provided with drive rod (8), right-hand member and the piston (10) of drive rod (8) are fixedly connected with, and this blast cap headstock gear also includes promoting
The actuator (9) of drive rod (8) left and right translation, described right chamber (7b) is interior to be filled with hydraulic oil.
2. the wind cap opening device in blower fan according to claim 1 a, it is characterised in that left side for described drive rod (8)
End stretches out staving (7) successively and air duct (1), described actuator (9) are located at air duct (1) outside, has handle on the actuator (9)
(9a), and can be to the mobile offer power of drive rod (8) by rotating or pressing handle (9a).
3. the wind cap opening device in blower fan according to claim 2, it is characterised in that described actuator (9) is thousand
Jin top or hydraulic hand-pump.
4. the wind cap opening device in blower fan according to claim 1, it is characterised in that described actuator (9) is fixed
In the air duct (1), the actuator (9) be electric pushrod (6), and a left side for the bar portion of electric pushrod (6) and described drive rod (8)
End is fixedly connected with.
5. the wind cap opening device in blower fan according to claim 1, it is characterised in that the lower end of described push rod (6)
Side wall is provided with the annular groove coaxial with the push rod (6), and 0 shape circle (13), and 0 shape circle (13) are provided with described annular groove
The madial wall of outer peripheral face and connecting portion (7c) offset.
6. the wind cap opening device in blower fan according to claim 1 or 2 or 3 or 4 or 5, it is characterised in that described work
Plug (10) includes the body (10b) being in the form of a column, and is offered on the lateral wall of described body (10b) coaxial with the body (10b)
Annular seal groove, described annular seal groove has two and along the axially uniform of body (10b), the annular seal groove described in two
Annular oil seal (10a) is inside equipped with, and the madial wall of the lateral wall of annular oil seal (10a) and staving (7) leans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720960773.3U CN207033838U (en) | 2017-08-02 | 2017-08-02 | A kind of wind cap opening device in blower fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720960773.3U CN207033838U (en) | 2017-08-02 | 2017-08-02 | A kind of wind cap opening device in blower fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207033838U true CN207033838U (en) | 2018-02-23 |
Family
ID=61474296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720960773.3U Expired - Fee Related CN207033838U (en) | 2017-08-02 | 2017-08-02 | A kind of wind cap opening device in blower fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207033838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661938A (en) * | 2018-05-04 | 2018-10-16 | 南方风机股份有限公司 | A kind of rain cap swing roof wind turbine |
-
2017
- 2017-08-02 CN CN201720960773.3U patent/CN207033838U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108661938A (en) * | 2018-05-04 | 2018-10-16 | 南方风机股份有限公司 | A kind of rain cap swing roof wind turbine |
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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: 20180223 Termination date: 20210802 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |