CN212356413U - Independent vibration isolation unit - Google Patents

Independent vibration isolation unit Download PDF

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Publication number
CN212356413U
CN212356413U CN202020570872.2U CN202020570872U CN212356413U CN 212356413 U CN212356413 U CN 212356413U CN 202020570872 U CN202020570872 U CN 202020570872U CN 212356413 U CN212356413 U CN 212356413U
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China
Prior art keywords
air
vibration isolation
isolation unit
movable platform
valve
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CN202020570872.2U
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Chinese (zh)
Inventor
叶军立
周谦
孙晋文
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Wuhan Huachuang Micro Vibration Electromechanical Equipment Co ltd
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Wuhan Huachuang Micro Vibration Electromechanical Equipment Co ltd
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Abstract

The utility model discloses an independent vibration isolation unit, including the unable adjustment base that the level set up, unable adjustment base's top is equipped with movable platform, is equipped with the inner skleeve that top-down vertically extends on the movable platform, and the cover is equipped with on the inner skleeve establishes on unable adjustment base and be the outer sleeve that vertically extends from bottom to top, inner skleeve sliding connection is in the outer sleeve, be equipped with the gasbag of establishing in inner skleeve and outer sleeve between unable adjustment base and movable platform, bury underground in the unable adjustment base that one end is connected gasbag bottom, the other end is connected with the first air flue of air pump, wear the second air flue that one end is connected gasbag lateral part, the other end is connected; the outer sleeve is provided with a balance hole. The vibration isolation unit has the characteristics of stable lifting adjustment and long service life, and is high in platform horizontal precision, small in error, reliable in use, perfect in overall function and high in practicability.

Description

Independent vibration isolation unit
Technical Field
The utility model relates to a mechanical equipment technical field, more specifically says that it relates to an independent vibration isolation unit.
Background
After some platforms are lifted and adjusted in the market, the platforms can be normally used at a set height. However, the requirement for the use environment is low, the error range of the platform is controlled to be large, the platform can be gradually inclined when the platform is lifted and moved along with the prolonging of the use time and the increasing of the use times, the reason can also be that the working position is eccentrically concentrated at one position, so that the platform cannot be corrected and the lifting unit needs to be replaced. Accordingly, the utility model provides an independent vibration isolation unit.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome not enough among the above-mentioned prior art, provide an independent vibration isolation unit, this vibration isolation unit has the lift adjustment stability, long service life's characteristics to platform horizontal accuracy is high, and the error is little, uses reliably.
In order to solve the technical problem, the purpose of the utility model is to realize like this: the utility model relates to an independent vibration isolation unit, including the unable adjustment base that the level set up, unable adjustment base's top is equipped with movable platform, is equipped with the inner skleeve that top-down vertically extends on the movable platform, and the cover is equipped with on the inner skleeve establishes on unable adjustment base and be the outer sleeve that vertically extends from bottom to top, inner skleeve sliding connection is in the outer sleeve, be equipped with the gasbag of establishing in inner skleeve and outer sleeve between unable adjustment base and movable platform, bury underground in the unable adjustment base that one end is connected gasbag bottom, the other end is connected with the first air flue of air pump, wear the second air flue that one end is connected gasbag lateral part, the other end is; the outer sleeve is provided with a balance hole.
The utility model discloses further set up to: a damper is arranged between the fixed base and the movable platform; the damper comprises a fixed cylinder arranged on the fixed base and a movable column arranged on the movable platform, wherein the movable column is connected in the fixed cylinder in a sliding manner, and the movable column is sleeved with a tension spring of which one end is connected with the movable platform and the other end is connected with the fixed cylinder.
The utility model discloses further set up to: the air release valve comprises a valve body, a valve cavity is arranged in the valve body, an air guide hole communicated with the second air passage and the valve cavity is formed in the valve body, a valve core is connected in the valve cavity in a sliding mode, the valve core faces away from the air guide hole, a push-pull rod extending out of the valve body is arranged at one end of the air guide hole, the other end of the air guide hole is used for plugging the air guide hole, a pressure spring sleeved on the push-pull rod is arranged in the valve cavity, one end of the pressure spring is abutted to the valve core, a push-pull handle is arranged on.
The utility model discloses further set up to: a transition cavity in a circular truncated cone shape is arranged between the air guide hole and the valve cavity, and one end, facing the air guide hole, of the valve core is in a spherical surface shape.
The utility model discloses further set up to: and one end of the valve core, which faces the air guide hole, is provided with a rubber buffer layer.
The utility model discloses further set up to: and a one-way valve communicated from the air pump side to the air bag side is connected in series on the first air passage.
The utility model discloses further set up to: the air bag is of a columnar structure vertically extending from bottom to top and is provided with a folding bag wall.
The utility model discloses further set up to: and a sealing ring which is connected to the inner wall surface of the outer sleeve in a sliding way is embedded in the outer wall surface of the inner sleeve.
The utility model discloses further set up to: and a dustproof sleeve is arranged outside the inner sleeve.
The utility model discloses further set up to: and the upper end surface of the movable platform is provided with an installation screw hole.
To sum up, the utility model discloses following beneficial effect has: the utility model relates to an independent vibration isolation unit gives the gasbag air feed through the air pump function, realizes that movable platform keeps away from unable adjustment base gradually, causes to reach altitude mixture control to add the attenuator that plays the guide effect, make movable platform go up and down steadily and the error is little, and the levelness is high, and the setting of reunion extension spring still makes movable platform have downward traction force, has good antidetonation effect, and buffer performance is good, and overall function is perfect, and the practicality is strong.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the air release valve of the present invention;
fig. 3 is a schematic structural diagram for embodying the valve element of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is provided in conjunction with the specific examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the patent requirements of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1 to 3, an independent vibration isolation unit according to the present embodiment includes a fixed base 1 horizontally disposed, a movable platform 2 is disposed above the fixed base 1, an inner sleeve 3 vertically extending from top to bottom is disposed on the movable platform 2, an outer sleeve 4 vertically extending from bottom to top is sleeved on the inner sleeve 3 and disposed on the fixed base 1, the inner sleeve 3 is slidably connected in the outer sleeve 4, an air bag 5 disposed between the inner sleeve 3 and the outer sleeve 4 is disposed between the fixed base 1 and the movable platform 2, a first air passage 6 having one end connected to the bottom of the air bag 5 and the other end connected to an air pump (not shown in the figure) is embedded in the fixed base 1, and a second air passage 8 having one end connected to the side of the air bag 5 and the other end connected to an air release valve 7 is penetrated through the; the outer sleeve 4 is provided with a balance hole 9.
Wherein, the air pump is the silence air pump, and the vibration that self produced is little, and the noise that produces the environment is little, is suitable for various laboratory occasions.
Wherein, the arrangement of the balance hole 9 effectively compensates the inner and outer air pressure difference of the outer sleeve 4.
In this embodiment, through the operation air pump, realize the air feed to first gas duct 6, will be in the gasbag 5 of the shriveled state and aerify, cause gasbag 5 to swell, push away unable adjustment base 1 and activity platform 2 from top to bottom, reach that inner skleeve 3 makes the slip relative to outer sleeve 4, realize that activity platform 2 makes the lifting, accomplish altitude mixture control. And the air escape valve 7 can realize the discharge of the air quantity in the air bag 5, and realize the reduction of the height of the movable platform 2.
Further, a damper 10 is arranged between the fixed base 1 and the movable platform 2; the damper 10 comprises a fixed cylinder 11 arranged on the fixed base 1 and a movable column 12 arranged on the movable platform 2, wherein the movable column 12 is connected in the fixed cylinder 11 in a sliding manner, and the movable column 12 is sleeved with a tension spring 13 of which one end is connected with the movable platform 2 and the other end is connected with the fixed cylinder 11. The damper 10 is arranged to realize the guiding function of the up-and-down movement of the movable platform 2 relative to the fixed base 1, and the continuous downward traction force is applied to the movable platform 2 along with the arrangement of the tension spring 13, so that the movable platform 2 is not easy to shake, and the vibration resisting and isolating effects are good.
Further, the release valve 7 includes the valve body 71, is equipped with the valve pocket 72 in the valve body 71, set up the air guide hole 73 that is linked together second air flue 8 and valve pocket 72 on the valve body 71, sliding connection has case 74 in the valve pocket 72, and case 74 dorsad the air guide hole 73 is plugged up to the one end of air guide hole 73 being equipped with push-and-pull rod 75, the other end that stretch out the valve body 71, be equipped with the pressure spring 76 of cover on push-and-pull rod 75 in the valve pocket 72, the one end butt of pressure spring 76 valve body 71, other end butt case 74, be equipped with the push-and-pull on 77 on the push-and-pull rod 75, still set up the. The pushing and pulling handle 77 is pulled and pushed in the direction opposite to the air guide hole 73, so that the valve core 74 is gradually far away from the air guide hole 73, the blocked air guide hole 73 is exposed and continuously pulled until the air guide hole 73 is communicated with the air release hole 78, the pressure spring 76 is compressed in the period, the air in the air bag 5 is slowly released, the movable platform 2 is gathered to have continuous downward traction force, the height of the movable platform 2 is reduced, after the movable platform is reduced to a proper position, the pushing and pulling handle 77 is loosened, the pressure spring 76 is deformed and reset, the valve core 74 is pushed to the air guide hole 73, the air guide hole 73 is blocked, the movable platform 2 stops reducing, and the height reduction adjustment of the movable platform 2 is completed.
Furthermore, a circular truncated cone-shaped transition cavity 79 is arranged between the air guide hole 73 and the valve cavity 72, and one end of the valve core 74 facing the air guide hole 73 is spherical, so that when the valve core 74 contacts and abuts against the transition cavity 79, surface contact is changed into circular line contact, and a good cover effect is achieved. If there is no truncated cone-shaped transition cavity 79 between the air vent 73 and the valve cavity 72, the valve core 74 used in cooperation is a planar end surface, and the planar end surface needs to have high flatness, so that the air vent 73 can be effectively plugged.
Further, a rubber buffer layer 80 is disposed at one end of the valve core 74 facing the air vent 73, and the rubber buffer layer 80 has appropriate buffering and deformation effects, so that the circular line contact is changed into circular surface contact, thereby improving sealing performance.
Furthermore, a check valve 14 communicated from the air pump side to the air bag 5 side is connected in series with the first air passage 6, so that backflow of the gas filled into the air bag 5 due to the pressure at the movable platform 2 is avoided, and the effect of preventing gas backflow is achieved.
Further, the airbag 5 is of a columnar structure vertically extending from bottom to top, and the airbag 5 is provided with a folding bag wall 51, so that the airbag 5 has small lateral deviation in the process of upwards unfolding or downwards folding, and can move along a preset folding path, and the airbag 5 can apply more uniform force to all parts of the bearing surface of the movable platform 2.
Further, the sealing ring 15 of sliding connection at the internal face of outer sleeve 4 is inlayed to the outer wall surface of inner skleeve 3, avoids producing the gap of losing heart between inner skleeve 3 and outer sleeve 4 for the lift process is unstable, leads to the platform levelness not high.
Furthermore, the dustproof sleeve 16 is arranged outside the inner sleeve 3, so that external dust is prevented from being stained on the outer wall surface of the inner sleeve 3, a dustproof effect is achieved, and accumulated foreign matters are prevented from being embedded and clamped between the inner sleeve 3 and the outer sleeve 4.
Furthermore, the upper end face of the movable platform 2 is provided with an installation screw hole 17, four vibration isolation units distributed in a two-by-two rectangular array mode are selected, the upper end face of the movable platform is paved with a working platform, and the working platform is connected with the installation screw hole 17 through screws, so that the purpose of fixedly connecting the paved working platform and the vibration isolation units is achieved, and the movable platform is used for assembly.
The utility model relates to an independent vibration isolation unit gives the gasbag air feed through the air pump function, realizes that movable platform keeps away from unable adjustment base gradually, causes to reach altitude mixture control to add the attenuator that plays the guide effect, make movable platform go up and down steadily and the error is little, and the levelness is high, and the setting of reunion extension spring still makes movable platform have downward traction force, has good antidetonation effect, and buffer performance is good, and overall function is perfect, and the practicality is strong.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate an orientation or positional relationship based on the actual orientation or positional relationship shown, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, it is possible for those skilled in the art to combine the embodiments and understand the specific meanings of the above terms according to specific situations.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (10)

1. Independent vibration isolation unit, including the unable adjustment base that the level set up, unable adjustment base's top is equipped with movable platform, the last inner skleeve that top-down extends perpendicularly that is equipped with of movable platform, the cover is equipped with on the inner skleeve and is established unable adjustment base is last and is the outer sleeve that extends perpendicularly from bottom to top, inner skleeve sliding connection is in the outer sleeve, its characterized in that: an air bag arranged in an inner sleeve and an outer sleeve is arranged between the fixed base and the movable platform, a first air passage with one end connected with the bottom of the air bag and the other end connected with an air pump is embedded in the fixed base, and a second air passage with one end connected with the side part of the air bag and the other end connected with an air release valve penetrates through the outer sleeve; the outer sleeve is provided with a balance hole.
2. The isolated vibration isolation unit according to claim 1, wherein: a damper is arranged between the fixed base and the movable platform; the damper comprises a fixed cylinder arranged on the fixed base and a movable column arranged on the movable platform, wherein the movable column is connected in the fixed cylinder in a sliding manner, and the movable column is sleeved with a tension spring of which one end is connected with the movable platform and the other end is connected with the fixed cylinder.
3. The isolated vibration isolation unit according to claim 1 or 2, wherein: the air release valve comprises a valve body, a valve cavity is arranged in the valve body, an air guide hole communicated with the second air passage and the valve cavity is formed in the valve body, a valve core is connected in the valve cavity in a sliding mode, the valve core faces away from the air guide hole, a push-pull rod extending out of the valve body is arranged at one end of the air guide hole, the other end of the air guide hole is used for plugging the air guide hole, a pressure spring sleeved on the push-pull rod is arranged in the valve cavity, one end of the pressure spring is abutted to the valve core, a push-pull handle is arranged on.
4. The isolated vibration isolation unit according to claim 3, wherein: a transition cavity in a circular truncated cone shape is arranged between the air guide hole and the valve cavity, and one end, facing the air guide hole, of the valve core is in a spherical surface shape.
5. The isolated vibration isolation unit according to claim 4, wherein: and one end of the valve core, which faces the air guide hole, is provided with a rubber buffer layer.
6. The isolated vibration isolation unit according to claim 1, wherein: and a one-way valve communicated from the air pump side to the air bag side is connected in series on the first air passage.
7. The isolated vibration isolation unit according to claim 1, wherein: the air bag is of a columnar structure vertically extending from bottom to top and is provided with a folding bag wall.
8. The isolated vibration isolation unit according to claim 1, wherein: and a sealing ring which is connected to the inner wall surface of the outer sleeve in a sliding way is embedded in the outer wall surface of the inner sleeve.
9. The isolated vibration isolation unit according to claim 1, wherein: and a dustproof sleeve is arranged outside the inner sleeve.
10. The isolated vibration isolation unit according to claim 1, wherein: and the upper end surface of the movable platform is provided with an installation screw hole.
CN202020570872.2U 2020-04-17 2020-04-17 Independent vibration isolation unit Active CN212356413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020570872.2U CN212356413U (en) 2020-04-17 2020-04-17 Independent vibration isolation unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020570872.2U CN212356413U (en) 2020-04-17 2020-04-17 Independent vibration isolation unit

Publications (1)

Publication Number Publication Date
CN212356413U true CN212356413U (en) 2021-01-15

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Application Number Title Priority Date Filing Date
CN202020570872.2U Active CN212356413U (en) 2020-04-17 2020-04-17 Independent vibration isolation unit

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Country Link
CN (1) CN212356413U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113084402A (en) * 2021-04-08 2021-07-09 杭州瞩日能源科技有限公司 Battery piece placing floating device
CN115159390A (en) * 2022-06-23 2022-10-11 北京航天发射技术研究所 Large-scale flexible lifting device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113084402A (en) * 2021-04-08 2021-07-09 杭州瞩日能源科技有限公司 Battery piece placing floating device
CN113084402B (en) * 2021-04-08 2023-01-31 杭州瞩日能源科技有限公司 Battery piece placing floating device
CN115159390A (en) * 2022-06-23 2022-10-11 北京航天发射技术研究所 Large-scale flexible lifting device
CN115159390B (en) * 2022-06-23 2024-04-05 北京航天发射技术研究所 Large-scale flexible lifting device

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