CN209067760U - A kind of vacuum pump damping device - Google Patents

Abstract

The utility model discloses a kind of vacuum pump damping devices, including level-one damping device, two-step buffer and three-level damping device, the upper surface of the level-one damping device of the lower end surface of the two-step buffer is fixedly connected, and the upper surface of two-step buffer is fixedly connected on the lower end surface of three-level damping device, the level-one damping device is by Shang Kagai, lower Ka Gai and card slot composition, the shape of the lower Ka Gai is rectangle, and the upper surface middle part of lower Ka Gai is provided with card slot, rubber layer is provided at the inside center of the card slot, and the two sides of rubber layer have been symmetrically arranged polyethylene foam and silencing cotton layer.A kind of vacuum pump of the utility model carries out damping and noise reduction by Multistage damping device with damping device, and damping effect when improving vacuum pump work reduces noise.

Description

A kind of vacuum pump damping device

Technical field

The utility model relates to vacuum pump cushion technique field, specially a kind of vacuum pump damping device.

Background technique

Vacuum pump, which refers to, to be obtained using machinery, physics, chemically or physically chemical method to being evacuated by pumping container The device or equipment of vacuum are widely used in the industries such as metallurgy, chemical industry, food, electronics plated film, but positive empty pump is at work, Often strenuous vibration is brought to have certain damage for equipment and pipeline because revolving speed is too fast, the mode of vacuum pump damping now is more It is that choker block sound-proof material or other soft materials are used for vibration-absorbing and reducing noise under mounting base, but this mode noise reduction damping effect is unknown It shows and installs more difficult.

A kind of vibration when therefore needing vacuum pump that can preferably absorb vacuum pump work with damping device, and then absorb Vibration reduces noise and is conducive to equipment safety and maintenance ambient enviroment.

Utility model content

The purpose of this utility model is to provide a kind of vacuum pump damping devices, it is intended to improve existing vacuum pump damping dress It sets that damping effect is unobvious, installs more difficult problem.

The utility model is realized in this way: a kind of vacuum pump damping device, including level-one damping device, second level damping The upper surface of device and three-level damping device, the level-one damping device of the lower end surface of the two-step buffer is fixedly connected, and The upper surface of two-step buffer is fixedly connected on the lower end surface of three-level damping device.

Further, the level-one damping device is made of Shang Kagai, lower Ka Gai and card slot, the shape of the lower Ka Gai The upper surface middle part of rectangle, and lower Ka Gai is provided with card slot, rubber layer, and rubber are provided at the inside center of the card slot The two sides of layer have been symmetrically arranged polyethylene foam and silencing cotton layer, and polyethylene foam is close to rubber layer, under described Buckle has Shang Kagai in the top card slot of Ka Gai, and the bottom surface outer surface of lower Ka Gai is evenly arranged with hemispheric rubber pad.

Further, the two-step buffer be by flexible axle sleeve, telescopic shaft, groove, yielding rubber circle, fixinig plate and Threaded post composition, the flexible axle sleeve is symmetrically mounted on the two sides of card cap upper surface, and flexible axle sleeve shape is cylinder, institute It states there are four telescopic shaft sets, and offer cylindrical groove along the vertical direction at the upper end face center of flexible axle sleeve, it is described recessed The bottom of slot is equipped with yielding rubber circle, and yielding rubber loop-shaped is circular ring shape, and the fixed plate shape is circular ring shape, and solid Stator is arranged on the upper surface of yielding rubber circle, and the bottom of the threaded post is fixedly mounted in the central circular of fixinig plate, And threaded post top is connected with telescopic shaft.

Further, the lower surface of the telescopic shaft is provided with the first threaded hole with threaded post cooperation along the vertical direction, The upper surface of the fixinig plate is along the circumferential direction evenly arranged with several tapped through holes through fixinig plate upper surface, and damping rubber The upper surface of cushion rubber offers the second threaded hole corresponding with tapped through hole, installs in the tapped through hole and the second threaded hole There is the first bolt.

Further, the outer diameter of the fixinig plate and the outer diameter of yielding rubber circle are identical, and the internal diameter of fixinig plate be less than subtract The internal diameter of rubber ring is shaken, the internal diameter of the groove is greater than the outer diameter of telescopic shaft, and the internal diameter of groove and fixinig plate and yielding rubber The outer diameter of circle is identical.

Further, the three-level damping device be by bearing plate, installation set, fixed block, the first spring, second spring and Guide post composition, the bottom surface of the bearing plate is fixed on the top surface of telescopic shaft, and the upper surface two sides of bearing plate are symmetrically installed There is installation set, the installation set is the rectangular parallelepiped structure of inner hollow, and installation set is internally provided with fixed block, the fixed block Cross sectional shape be T shape, and the bottom center of fixed block is equipped with guide post, and the installation set bottom is equipped with and guide post Corresponding support base, the second spring upper end is set in guide post, and second spring lower end is fixed on support base upper surface On, first spring is symmetrically fixedly connected between fixed block side and the inner surface of installation set, and the first spring is provided with Several.

Further, the upper surface two sides of the fixed block are respectively provided with there are two third screw hole, and peace inside third screw hole Equipped with the second bolt, the outer diameter of the fixed block is less than the internal diameter of installation set.

Compared with prior art, the utility model has the beneficial effects that the utility model has design reasonable and easy to operate The characteristics of, a kind of vacuum pump of the utility model carries out damping and noise reduction by Multistage damping device with damping device, improves true Damping effect when empty pump work reduces noise.

(1), the utility model is subtracted by setting level-one damping device, two-step buffer and three-level damping device, second level The upper surface for shaking the level-one damping device of the lower end surface of device is fixedly connected, and the upper surface of two-step buffer is fixedly connected on On the lower end surface of three-level damping device, and then the vibration that vacuum pump running generates, tool are absorbed by the damping device of multistage setting There is the advantages of good damping effect.

(2), the shape that the utility model passes through lower Ka Gai is rectangle, and the upper surface middle part of lower Ka Gai is provided with card slot, Rubber layer is provided at the inside center of card slot, and the two sides of rubber layer have been symmetrically arranged polyethylene foam and silencing cotton Layer, and polyethylene foam is close to rubber layer, buckle has Shang Kagai, and the bottom surface appearance of lower Ka Gai in the top card slot of lower Ka Gai Face is evenly arranged with hemispheric rubber pad, and then rubber layer polyethylene foam and silencing cotton layer by being arranged in card slot are done To absorbing sound and lowering noise, at the same by the softness on its surface can further damping, have by the rubber pad of the bottom surface of lower Ka Gai The function of anti-slip shock absorption.

(3), the utility model is symmetrically mounted on the two sides of upper card cap upper surface, and flexible axle sleeve shape by the axle sleeve that stretches For cylinder, there are four telescopic shaft sets, and offers cylindrical groove along the vertical direction at the upper end face center of flexible axle sleeve, The bottom of groove is equipped with yielding rubber circle, and yielding rubber loop-shaped is circular ring shape, and then the elasticity for passing through yielding rubber circle The vibration of vacuum pump is absorbed, fixed plate shape is circular ring shape, and fixinig plate is arranged on the upper surface of yielding rubber circle, threaded post Bottom be fixedly mounted in the central circular of fixinig plate, and threaded post top is connected with telescopic shaft, the lower surface edge of telescopic shaft Vertical direction is provided with the first threaded hole with threaded post cooperation, and the upper surface of fixinig plate is along the circumferential direction evenly arranged with several Tapped through hole through fixinig plate upper surface, and the upper surface of yielding rubber circle offers the second spiral shell corresponding with tapped through hole First bolt is installed in pit, tapped through hole and the second threaded hole, and then passes through tapped through hole, the second threaded hole and the first spiral shell Flexible axle sleeve and telescopic shaft are fixed and absorb a part vibration, fixinig plate by the extruding of fixinig plate and yielding rubber circle by bolt Outer diameter it is identical as the outer diameter of yielding rubber circle, and the internal diameter of fixinig plate is less than the internal diameter of yielding rubber circle, in this way can be in order to Increase fixinig plate and yielding rubber circle contact area can better shock-absorbing, the internal diameter of groove is greater than the outer diameter of telescopic shaft, has It is moved down when conducive to telescopic shaft stress while fixinig plate will be forced through and be dispersed in yielding rubber circle and be conducive to damping, and is recessed The internal diameter of slot is identical as the outer diameter of fixinig plate and yielding rubber circle, and then can pass through the outer of groove fixinig plate and yielding rubber circle Movement, which will not occur, for the identical guarantee yielding rubber circle of diameter can enhance shock-absorbing effect, and then pass through threaded post and the first threaded hole The precession depth of threaded post can be changed the height for changing simultaneously damping device by rotatable engagement according to the concrete condition of equipment.

(4), the utility model is fixed on the top surface of telescopic shaft by the bottom surface of bearing plate, and the upper surface two of bearing plate Side is symmetrically installed with installation set, and installation set is the rectangular parallelepiped structure of inner hollow, and installation set is internally provided with fixed block, fixed The cross sectional shape of block is T shape, and the bottom center of fixed block is equipped with guide post, and installation set bottom is equipped with and guide post pair The support base answered, second spring upper end are set in guide post, and second spring lower end is fixed on support base upper surface, and first Spring is symmetrically fixedly connected between fixed block side and the inner surface of installation set, and the first spring is provided with several, fixed The upper surface two sides of block are respectively provided with there are two third screw hole, and the second bolt is equipped with inside third screw hole, the outer diameter of fixed block Part vibration less than the internal diameter of installation set, and then when absorbing by the presence of the first spring second spring vacuum pump work, and It is convenient for fixed vacuum pump by third screw hole and the second bolt, while the outer diameter of fixed block is conducive to admittedly less than the internal diameter of installation set Determine block to enter when being squeezed in installation set convenient for by force dispersion.

Detailed description of the invention

It, below will be to required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment The attached drawing used is briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore not It should be considered as the restriction to range, for those of ordinary skill in the art, without creative efforts, It can also be obtained according to these attached drawings other relevant attached drawings.

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the structural schematic diagram of the utility model level-one damping device；

Fig. 3 is the structural schematic diagram of the utility model two-step buffer；

Fig. 4 is the structural schematic diagram of the utility model three-level damping device；

Fig. 5 is the partial front elevation view of Ka Gai under the utility model；

Fig. 6 is the enlarged drawing of the utility model A structure；

Fig. 7 is the enlarged drawing of the utility model B structure；

In figure: 1, level-one damping device；11, Shang Kagai；12, Xia Kagai；13, card slot；131, silencing cotton layer；132, poly- second Alkene froth bed；133, rubber layer；2, two-step buffer；21, stretch axle sleeve；22, telescopic shaft；23, groove；24, yielding rubber Circle；25, fixinig plate；26, the first bolt；27, threaded post；221, the first threaded hole；241, the second threaded hole；251, screw thread is logical Hole；3, three-level damping device；31, bearing plate；32, installation set；33, fixed block；34, the first spring；35, second spring；36, Guide post；331, third screw hole；332, the second bolt；321, support base.

Specific embodiment

It is practical below in conjunction with this to keep the purposes, technical schemes and advantages of the utility model embodiment clearer The technical solution in the utility model embodiment is clearly and completely described in attached drawing in novel embodiment, shows So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.It is practical based on this Embodiment in novel, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment is fallen within the protection scope of the utility model.Therefore, the implementation to the utility model provided in the accompanying drawings below The detailed description of mode is not intended to limit the range of claimed invention, but is merely representative of the utility model Selected embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative labor Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the equipment of indication or suggestion meaning or element must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

It please refers to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of vacuum pump damping device, including level-one Damping device 1, two-step buffer 2 and three-level damping device 3, the level-one damping device 1 of the lower end surface of two-step buffer 2 Upper surface be fixedly connected, and the upper surface of two-step buffer 2 is fixedly connected on the lower end surface of three-level damping device 3, into And the vibration that vacuum pump running generates is absorbed by the damping device of multistage setting, have the advantages that good damping effect.

Level-one damping device 1 is made of upper card lid 11, lower card lid 12 and card slot 13, and the shape of lower card lid 12 is rectangle, And the upper surface middle part of lower card lid 12 is provided with card slot 13, and rubber layer 133, and rubber are provided at the inside center of card slot 13 The two sides of layer 133 have been symmetrically arranged polyethylene foam 132 and silencing cotton layer 131, and polyethylene foam 132 is close to rubber Glue-line 133, buckle has upper card lid 11 in the top card slot 13 of lower card lid 12, and the bottom surface outer surface of lower card lid 12 is evenly arranged with Hemispheric rubber pad 121, and then 133 polyethylene foam 132 of rubber layer and silencing cotton layer by being arranged in card slot 13 131 accomplish absorbing sound and lowering noise, at the same by the softness on its surface can further damping, pass through the rubber of the bottom surface of lower card lid 12 Pad 121 has the function of anti-slip shock absorption.

Two-step buffer 2 is by flexible axle sleeve 21, telescopic shaft 22, groove 23, yielding rubber circle 24, fixinig plate 25 and spiral shell Line column 27 forms, and flexible axle sleeve 21 is symmetrically mounted on the two sides of 11 upper surface of card lid, and flexible 21 shape of axle sleeve is cylinder, There are four flexible axle sleeves 21, and offers cylindrical groove 23 along the vertical direction at the upper end face center of flexible axle sleeve 21, recessed The bottom of slot 23 is equipped with yielding rubber circle 24, and 24 shape of yielding rubber circle is circular ring shape, and then passes through yielding rubber circle 24 Elasticity absorb the vibration of vacuum pump, 25 shape of fixinig plate is circular ring shape, and the upper of yielding rubber circle 24 is arranged in fixinig plate 25 On surface, the bottom of threaded post 27 is fixedly mounted in the central circular of fixinig plate 25, and 27 top of threaded post be connected with it is flexible Axis 22, the lower surface of telescopic shaft 22 are provided with the first threaded hole 221 cooperated with threaded post 27, fixinig plate 25 along the vertical direction Upper surface be along the circumferential direction evenly arranged with several tapped through holes 251 through 25 upper surface of fixinig plate, and yielding rubber circle 24 upper surface offers second threaded hole 241 corresponding with tapped through hole 251, tapped through hole 251 and the second threaded hole First bolt 26 is installed in 241, and then passes through tapped through hole 251, the second threaded hole 241 and the first bolt 26 for flexible axle sleeve 21 and telescopic shaft fix and a part vibration absorbed by the extruding of fixinig plate 25 and yielding rubber circle 24, fixinig plate 25 it is outer Diameter is identical as the outer diameter of yielding rubber circle 24, and the internal diameter of fixinig plate 25 is less than the internal diameter of yielding rubber circle 24, can be in this way Increase fixinig plate 25 and yielding rubber circle 24 contact area can better shock-absorbing, the internal diameter of groove 23 is greater than telescopic shaft 22 outer diameter, is conducive to fixinig plate 25 is moved down while will be forced through when 22 stress of telescopic shaft and is dispersed in yielding rubber circle 24 On be conducive to damping, and the internal diameter of groove 23 is identical as the outer diameter of fixinig plate 25 and yielding rubber circle 24, and then can be by recessed Identical guarantee yielding rubber circle 24 will not occur movement and can enhance shock-absorbing 23 fixinig plate 25 of slot with the outer diameter of yielding rubber circle 24 Effect, and then can be according to the concrete condition of equipment by threaded post by the rotatable engagement of threaded post 27 and the first threaded hole 221 27 precession depth changes the height for changing simultaneously damping device.

Three-level damping device 3 is by bearing plate 31, installation set 32, fixed block 33, the first spring 34, second spring 35 and to lead It is formed to column 36, the bottom surface of bearing plate 31 is fixed on the top surface of telescopic shaft 22, and the upper surface two sides of bearing plate 31 are symmetrically pacified Equipped with installation set 32, installation set 32 is the rectangular parallelepiped structure of inner hollow, and installation set 32 is internally provided with fixed block 33, Gu The cross sectional shape for determining block 33 is T shape, and the bottom center of fixed block 33 is equipped with guide post 36, and 32 bottom of installation set is equipped with Support base 321 corresponding with guide post 36,35 upper end of second spring are set in guide post 36, and 35 lower end of second spring is solid It is scheduled on 321 upper surface of support base, the first spring 34 is symmetrically fixedly connected on the inner surface of fixed block 33 side and installation set 32 Between, and the first spring 34 is provided with several, and the upper surface two sides of fixed block 33 are respectively provided with that there are two third screw holes 331, and Second bolt 332 is installed, the outer diameter of fixed block 33 is less than the internal diameter of installation set 32, and then passes through the inside third screw hole 331 The presence of one spring, 34 second spring 35 absorbs part vibration when vacuum pump work, and passes through third screw hole 331 and the second spiral shell Bolt 332 is convenient for fixed vacuum pump, while the outer diameter of fixed block 33 is conducive to fixed block 33 by crowded less than the internal diameter of installation set 32 Enter in installation set 32 when pressure and is convenient for force dispersion.

The device obtained by above-mentioned design has been able to satisfy a kind of making for the vacuum pump damping device of damping noise reduction substantially With, but in line with the objective for further improving its function, designer has carried out further improvement to the device.

Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for For those skilled in the art, various modifications and changes may be made to the present invention.All spirit and original in the utility model Within then, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of vacuum pump damping device, including level-one damping device (1), two-step buffer (2) and three-level damping device (3), it is characterised in that: the upper surface of the level-one damping device (1) of the lower end surface of the two-step buffer (2) is fixedly connected, And the upper surface of two-step buffer (2) is fixedly connected on the lower end surface of three-level damping device (3).

2. a kind of vacuum pump damping device according to claim 1, which is characterized in that the level-one damping device (1) It is made of Shang Kagai (11), Xia Kagai (12) and card slot (13), the shape of the lower Ka Gai (12) is rectangle, and lower Ka Gai (12) upper surface middle part is provided with card slot (13), is provided with rubber layer (133) at the inside center of the card slot (13), and rubber The two sides of glue-line (133) have been symmetrically arranged polyethylene foam (132) and silencing cotton layer (131), and polyethylene foam (132) it is close to rubber layer (133), there is Shang Kagai (11) buckle in the top card slot (13) of the lower Ka Gai (12), and lower Ka Gai (12) bottom surface outer surface is evenly arranged with hemispheric rubber pad (121).

3. a kind of vacuum pump damping device according to claim 2, which is characterized in that the two-step buffer (2) It is by flexible axle sleeve (21), telescopic shaft (22), groove (23), yielding rubber circle (24), fixinig plate (25) and threaded post (27) group At the flexible axle sleeve (21) is symmetrically mounted on the two sides of Shang Kagai (11) upper surface, and flexible axle sleeve (21) shape is cylinder Shape, there are four the flexible axle sleeves (21), and offers cylinder along the vertical direction at the upper end face center of flexible axle sleeve (21) Groove (23), the bottom of the groove (23) is equipped with yielding rubber circle (24), and yielding rubber circle (24) shape is annulus Shape, fixinig plate (25) shape is circular ring shape, and fixinig plate (25) is arranged on the upper surface of yielding rubber circle (24), institute The bottom for stating threaded post (27) is fixedly mounted in the central circular of fixinig plate (25), and threaded post (27) top be connected with it is flexible Axis (22).

4. a kind of vacuum pump damping device according to claim 3, which is characterized in that the following table of the telescopic shaft (22) Face is provided with the first threaded hole (221) with threaded post (27) cooperation, the upper surface edge of the fixinig plate (25) along the vertical direction Circumferencial direction is evenly arranged with several tapped through holes (251) through fixinig plate (25) upper surface, and yielding rubber circle (24) Upper surface offers the second threaded hole (241) corresponding with tapped through hole (251), the tapped through hole (251) and the second spiral shell First bolt (26) are installed in pit (241).

5. a kind of vacuum pump damping device according to claim 4, which is characterized in that the outer diameter of the fixinig plate (25) It is identical as the outer diameter of yielding rubber circle (24), and the internal diameter of fixinig plate (25) is less than the internal diameter of yielding rubber circle (24), it is described recessed The internal diameter of slot (23) is greater than the outer diameter of telescopic shaft (22), and the internal diameter of groove (23) and fixinig plate (25) and yielding rubber circle (24) Outer diameter it is identical.

6. a kind of vacuum pump damping device according to claim 5, which is characterized in that the three-level damping device (3) It is by bearing plate (31), installation set (32), fixed block (33), the first spring (34), second spring (35) and guide post (36) group At the bottom surface of the bearing plate (31) is fixed on the top surface of telescopic shaft (22), and the upper surface two sides of bearing plate (31) are symmetrical It is equipped with installation set (32), the installation set (32) is the rectangular parallelepiped structure of inner hollow, and installation set (32) is internally provided with The cross sectional shape of fixed block (33), the fixed block (33) is T shape, and the bottom center of fixed block (33) is equipped with guide post (36), installation set (32) bottom is equipped with support base (321) corresponding with guide post (36), on the second spring (35) End cap is located on guide post (36), and second spring (35) lower end is fixed on support base (321) upper surface, first spring (34) it is symmetrically fixedly connected between fixed block (33) side and the inner surface of installation set (32), and the first spring (34) is provided with Several.

7. a kind of vacuum pump damping device according to claim 6, which is characterized in that the upper table of the fixed block (33) Face two sides are respectively provided with there are two third screw hole (331), and are equipped with the second bolt (332) inside third screw hole (331), described solid The outer diameter for determining block (33) is less than the internal diameter of installation set (32).