CN209562307U - A kind of big electric machine fixation structure - Google Patents
A kind of big electric machine fixation structure Download PDFInfo
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- CN209562307U CN209562307U CN201920229712.9U CN201920229712U CN209562307U CN 209562307 U CN209562307 U CN 209562307U CN 201920229712 U CN201920229712 U CN 201920229712U CN 209562307 U CN209562307 U CN 209562307U
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Abstract
The utility model discloses a kind of big electric machine fixation structures, are related to Drive technology field, solve the problems, such as that vibration, noise are big when the work of existing driver.Technical solution is a kind of big electric machine fixation structure, including back box and motor, the back box upper end opening is simultaneously covered with cover board, the motor is arranged in the back box, worm screw has been fixedly and coaxially connected in the shaft of the motor, the end of the motor is fixedly connected with shield, turbine is rotatably connected in the shield, the worm screw engages with the turbine, the lead screw of lifting column movement is driven to be fixedly and coaxially connected on the turbine, mounting plate is fixedly connected in the back box, the shield is pushed against on the mounting plate by the limit of lead screw, cushion is additionally provided between the shield and the mounting plate, the two sides of the cushion are pushed against respectively in the shield and the mounting plate.The utility model is structurally reasonable, and vibration, noise are small when motor works.
Description
Technical field
The utility model relates to Drive technology field, in particular to a kind of big electric machine fixation structure.
Background technique
The driver of the prior art, especially Linear actuator, main function is will to load the movement for making straight line, similar
Cylinder or hydraulic cylinder, it is widely used on the height-adjustable article such as bed, chair, desk.By taking electric elevatable table as an example, electricity
Dynamic same table is made of at least two independent lifting columns, attachment device and isochronous controller, and driver is then used to drive
Lead screw rotation in dynamic lifting column, lead screw rotary motion is converted to the linear motion of feed screw nut, to drive lifting column
Movement, isochronous controller control the synchronous working of at least two lifting columns.
With DC motor technology be constantly progressive and the raising of parts machining level, the electromagnetic noise of motor, turbine
Cooperation vibration/noise between the between cog gearing noise and components of worm screw has been greatly improved.Especially in furniture row
The field of drivers of industry, the price of driver have been a deciding factors, and driver can be fixed on vertical to lifting in box body
Column is driven.Certainly, it under conditions of cost allows, should consider how to reduce driver by noise as much as possible.
Now propose a kind of vibration, the small big electric machine fixation structure of noise.
Utility model content
The purpose of the utility model is to provide the small big electric machine fixation structures of a kind of vibration, noise.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of big motor fixed knot
Structure, including back box and motor, the back box upper end opening are simultaneously covered with cover board, and the motor is arranged in the back box, described
Worm screw is fixedly and coaxially connected in the shaft of motor, the end of the motor is fixedly connected with shield, and rotation connects in the shield
It is connected to turbine, the worm screw engages with the turbine, and the lead screw of lifting column movement is driven to be fixedly and coaxially connected in the turbine
On, mounting plate is fixedly connected in the back box, the shield is pushed against on the mounting plate by the limit of lead screw, described
Cushion is additionally provided between shield and the mounting plate, the two sides of the cushion are pushed against respectively in the shield and the installation
Plate.
By using above scheme, lead screw is fixedly and coaxially connected on turbine by bolt, lead screw passes through mounting plate, and
And the rolling bearing being sleeved and fixed on lead screw is additionally provided between lead screw and mounting plate, rolling bearing is fixed on lead screw, silk
Thick stick is pierced by back box, and the bracket of lifting column is fixed in back box, by the limitation of bracket so that lifting column can only be along it
Axially move back and forth, lead screw and lifting column are threadedly coupled to constitute leadscrew-nut mechanism, are installed mounting plate admittedly by bolt
It is scheduled in back box, and limit of the lead screw by rolling bearing, lead screw are fixedly and coaxially connected on turbine by bolt, thus by
The position-limiting action of bolt, shield are forced to be pushed against on cushion, and motor is fixedly connected with shield again, so that motor is forced to be suspended in midair
It is not contacted with back box, cover board, so that the vibration generated when motor being avoided to work is directly delivered in back box and cover board, reduction is touched
The noise of sending is hit, meanwhile, cushion avoids shield and mounting plate direct collision and issues huge noise, to play damping drop
The effect made an uproar.
The utility model is further arranged to: the cushion is annular in shape, and annular groove is additionally provided on the shield, described soft
The side of pad is embedded in the annular groove.
By using above scheme, annular groove is set on shield, by the side of cushion in annular groove, annular groove can be to soft
Pad is limited, to avoid cushion from shifting in the effect for playing damping noise reduction and influence damping noise reduction effect.
The utility model is further arranged to: the two sides of tail of the motor, which is additionally provided with, to be fixedly connected on the cover board
Baffle, be additionally provided with the resilient cushion in Contraband font between the baffle and the motor, the baffle is inserted into the resilient cushion
Interior, the two sides of tail of the motor is connected on the resilient cushion.
By using above scheme, since motor is the lifting for driving lifting column by the rotation of control lead screw, institute
It will receive reversed resistance at work with motor and it forced to rotate around lead screw, and motor is gradually rotated around lead screw
Can then encounter on the side wall of back box, when the motor and pedestal in work collide it will cause it is huge vibration and issue huge
Noise, so in the tail portion of motor, the maximum place setting baffle two of torque blocks the two sides of motor, and sets therebetween
It sets resilient cushion and avoids the two directly contact.
The utility model is further arranged to: the baffle is additionally provided with reinforcing rib backwards to the motor side, described to add
Strengthening tendons are fixedly connected on the baffle and the cover board.
By using above scheme, because fixed is big motor, the driving force of motor and suffered reversed resistance
It is all corresponding larger, so setting reinforcing rib reinforces the structure of baffle, baffle is preferably consolidated to motor
It is fixed.
The utility model is further arranged to: being also wound with shock absorption strip on the motor.
By using above scheme, although being connected and fixed by bolt so that motor keep vacantly without with cover board, bottom
Box directly contacts, but connection at this time bolt strained excessive and be easy to happen loosening, after bolt looseness, the tail portion of motor
It is then easy to move down and be connected on back box or cover board, motor work at this time can then collide with back box, so twining on motor
Insured around shock absorption strip, avoid motor from directly contacting with back box, cover board, while being supported to motor, so that turbine and silk
The link position of thick stick is not susceptible to bending deformation, so that the bolt of connection is not easy to loosen.
The utility model is further arranged to: its upper and lower surface is plane after the shock absorption strip is wound on the motor
And it is connected to the back box and the cover board respectively.
By using above scheme, shock absorption strip is wrapped in the top and bottom on motor and is set as plane, is subtracted to increase
The contact area for shaking item and cover board, back box, to further increase damping noise reduction effect.
The utility model is further arranged to: one layer of silencing cotton is additionally provided on the inner wall of the back box and the cover board.
By using above scheme, one layer of silencing cotton is set on the inner wall of back box and cover board, silencing cotton, which has to absorb, makes an uproar
The effect of sound, to further decrease noise when motor work.
The utility model is further arranged to: multiple through-holes are also provided on the side wall of the back box.
By using above scheme, made a sound in the space of a sealing, sound wave roundtrip will lead to the increasing of noise
Greatly, so through-hole is arranged on back box side wall, first is the cooling for facilitating air circulation in favor of motor, and second is to reduce sound wave
Reflection is to reduce noise.
The utility model is further arranged to: being additionally provided with two pieces of filling blocks in the back box and is located at the motor
Two sides, the filling block is connected to the back box and the shock absorption strip.
By using above scheme, filling block is set in back box, first is to absorb barrier noise, when reducing motor work
The noise being pierced by, second is the blank filled in back box, so that the part in back box is not easy at random, while enhancing back box side wall
Support strength.
In conclusion the utility model has the following beneficial effects: having reduces the vibration spread out of when motor work and makes an uproar
The effect of sound.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of embodiment 1；
Fig. 2 is the part-structure explosive view of embodiment 1；
Fig. 3 is the part-structure explosive view of embodiment 2.
Appended drawing reference: 1, back box；2, motor；3, cover board；4, shield；5, mounting plate；6, cushion；7, annular groove；8, baffle；9,
Resilient cushion；10, reinforcing rib；11, shock absorption strip；12, silencing cotton；13, through-hole；14, filling block.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1: referring to figs. 1 and 2, a kind of big electric machine fixation structure, including motor 2 and back box 1, back box 1 be in
The rectangular-shape of upper opening, motor 2 are arranged in back box 1, are covered with cover board 3 in 1 upper end opening position of back box to seal out
Mouthful, the setting of motor 2 has been fixedly and coaxially connected worm screw in back box 1, and in the shaft of motor 2, in the fixed company in the end of motor 2
It is connected to shield 4, the turbine being rotatably connected on shield 4, worm screw and turbine engagement are provided in shield 4, also passes through spiral shell in back box 1
Bolt is fixed with one piece of mounting plate 5, and turbine center is provided with the perforation of polygon, the lead screw for driving lifting column to move
One end be also in multilateral shape and be inserted on turbine, and lead screw end thread is connected with a bolt, by the limit of bolt,
So that lead screw is fixedly and coaxially connected on turbine, and lead screw passes through mounting plate 5 and back box 1, is also nested and fixed one on lead screw
A rolling bearing, rolling bearing is mounted plate 5 and fixes, so that lead screw be avoided directly to contact and rub with mounting plate 5 and back box 1
It wipes, is then fixed with lifting column bracket outside back box 1, lifting column is connected with threads of lead screw, and lifting column is by bracket
It limits and move back and forth it can only along its axial direction, to constitute leadscrew-nut mechanism, can then be controlled in 2 positive and negative rotation of motor
The lifting of lifting column.
In order to reduce the vibration that spreads out of when motor 2 works, cricoid cushion 6 is provided between shield 4 and mounting plate 5,
The one side of cushion 6 is pushed against on shield 4, and another side is pushed against on mounting plate 5, by 6 damping noise reduction of cushion, also, In
Annular groove 7 is additionally provided on shield 4, the side of cushion 6 is embedded in annular groove 7, is positioned, is avoided soft to cushion 6 by annular groove 7
Pad 6 shifts.
Shock absorption strip 11 is also wound on motor 2, the upper and lower surface after shock absorption strip 11 is wrapped on motor 2 is plane and difference
It is pushed against on cover board 3 and back box 1.
Two pieces of filling blocks 14 are additionally provided in back box 1, two pieces of filling blocks 14 are located at the two sides of motor 2, and fill
Block 14 is connected to the inner wall and shock absorption strip 11 of back box 1, and noise, damping can be absorbed in filling block 14, and is supported to motor 2,
So that each part be not easy to loosen it is at random.
Two block baffles 8 are also fixedly connected on the inner wall of cover board 3, two block baffles 8 are separately positioned on the two sides of motor 2, and
And resilient cushion 9 is fixed on baffle 8, resilient cushion 9 is in Contraband font, and baffle 8 is interspersed in resilient cushion 9, and the two sides of motor 2 are all
It pushes against in resilient cushion 9, the interlude of resilient cushion 9 is pushed against on cover board 3.
In order to reinforce the structural strength of baffle 8, it is provided with more reinforcing ribs 10 on one side backwards to motor 2 in baffle 8, reinforces
Muscle 10 is fixedly connected on baffle 8 and cover board 3.
Embodiment 2: as shown in figure 3, the present embodiment difference from example 1 is that, the inner wall of cover board 3 and back box 1
On be further fixed on one layer of silencing cotton 12, multiple through-holes 13 are also provided on the side wall of back box 1.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (9)
1. a kind of big electric machine fixation structure, including back box (1) and motor (2), back box (1) upper end opening is simultaneously covered with cover board
(3), motor (2) setting has been fixedly and coaxially connected worm screw in the shaft of the motor (2) in the back box (1), described
The end of motor (2) is fixedly connected with shield (4), and turbine, the worm screw and the turbine are rotatably connected in the shield (4)
Engagement drives the lead screw of lifting column movement to be fixedly and coaxially connected on the turbine, is fixedly connected with peace in the back box (1)
Loading board (5), the shield (4) are pushed against on the mounting plate (5) by the limit of lead screw, it is characterised in that: the shield
(4) it is additionally provided between the mounting plate (5) cushion (6), the two sides of the cushion (6) are pushed against respectively in the shield
(4) and the mounting plate (5).
2. a kind of big electric machine fixation structure according to claim 1, it is characterised in that: the cushion (6) annularly, and institute
It states and is additionally provided on shield (4) annular groove (7), the side of the cushion (6) is embedded in the annular groove (7).
3. a kind of big electric machine fixation structure according to claim 1, it is characterised in that: the two sides of tail of the motor (2)
It is additionally provided with the baffle (8) being fixedly connected on the cover board (3), is additionally provided between the baffle (8) and the motor (2)
In the resilient cushion (9) of Contraband font, the baffle (8) is inserted into the resilient cushion (9), and the two sides of tail of the motor (2) abuts
On the resilient cushion (9).
4. a kind of big electric machine fixation structure according to claim 3, it is characterised in that: the baffle (8) is backwards to the electricity
Machine (2) side is additionally provided with reinforcing rib (10), and the reinforcing rib (10) is fixedly connected on the baffle (8) and the cover board (3).
5. a kind of big electric machine fixation structure according to claim 1, it is characterised in that: be also wound on the motor (2)
Shock absorption strip (11).
6. a kind of big electric machine fixation structure according to claim 5, it is characterised in that: the shock absorption strip (11) is wound in institute
Its upper and lower surface is plane and is connected to the back box (1) and the cover board (3) respectively after stating on motor (2).
7. a kind of big electric machine fixation structure according to claim 1, it is characterised in that: the back box (1) and the cover board
(3) one layer of silencing cotton (12) is additionally provided on inner wall.
8. a kind of big electric machine fixation structure according to claim 1, it is characterised in that: on the side wall of the back box (1) also
Offer multiple through-holes (13).
9. a kind of big electric machine fixation structure according to claim 5, it is characterised in that: be additionally provided in the back box (1)
Two pieces of filling blocks (14) and the two sides for being located at the motor (2), the filling block (14) are connected to the back box (1) and institute
State shock absorption strip (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229712.9U CN209562307U (en) | 2019-02-21 | 2019-02-21 | A kind of big electric machine fixation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229712.9U CN209562307U (en) | 2019-02-21 | 2019-02-21 | A kind of big electric machine fixation structure |
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| Publication Number | Publication Date |
|---|---|
| CN209562307U true CN209562307U (en) | 2019-10-29 |
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ID=68309519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920229712.9U Active CN209562307U (en) | 2019-02-21 | 2019-02-21 | A kind of big electric machine fixation structure |
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| Country | Link |
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| CN (1) | CN209562307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022147640A1 (en) * | 2021-01-05 | 2022-07-14 | 德沃康科技集团有限公司 | Low-noise power device, noise reduction mechanism, and noise reduction method |
-
2019
- 2019-02-21 CN CN201920229712.9U patent/CN209562307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022147640A1 (en) * | 2021-01-05 | 2022-07-14 | 德沃康科技集团有限公司 | Low-noise power device, noise reduction mechanism, and noise reduction method |
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| CP03 | Change of name, title or address |
Address after: 314000 room 247, building 6, Jiaxing Photovoltaic Science and Innovation Park, 1288 Kanghe Road, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee after: Dworkon Technology Group Co., Ltd Address before: 314016 No. 465 Xinnanyang Road, Jingzhen, Wang Jiang, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee before: OKIN Refined Electric Technology Co.,Ltd. |