CN205423658U - Vibration isolator - Google Patents

Abstract

The utility model discloses a vibration isolator, include: the box, including the roof and with the bottom plate that the roof is relative, the box has a cavity, wherein an opening has been seted up on the roof, a connection structure, including upper end part and lower tip, connection structure wear to establish through the opening makes the upper end part is in outside the box, the tip is in down in the cavity, the upper end part is used for connecting the equipment of treating the damping, horizontal vibration isolation structure sets up in the cavity, first perpendicular vibration isolation structure sets up the bottom plate with down between the tip. The utility model provides an above -mentioned vibration isolator solves the poor technical problem of damping effect that there is vibration isolator in prior art.

Description

A kind of vibration isolator

Technical field

This utility model relates to electronic technology field, particularly to a kind of vibration isolator.

Background technology

Development along with the epoch, the progress of science and technology, more and more electronic equipments are widely used, many electronic equipments are higher for its environmental requirement placed, such as: the electronic equipment such as precision instrument, military industry equipment, it is harsher to environmental requirement, can have a strong impact on its service behaviour in vibration environment, when Oscillation Amplitude is bigger, it is also possible to cause electronic equipment to damage.Therefore, when electronic equipment is in vibration environment, need to design vibration isolator to reduce the Oscillation Amplitude of electronic equipment.In prior art, existing in vibration environment under the vibration environment that vibration value is relatively big and vibration value is less, common vibration isolator, when vibration insulation structure rigidity Design is less, easily produces bottoming phenomenon simultaneously, and when vibration insulation structure rigidity Design is bigger, it is easily caused vibration isolating effect poor.So, there is the technical problem of the vibration isolating effect difference of vibration isolator in prior art.

Utility model content

This utility model embodiment provides a kind of vibration isolator, for solving the technical problem that prior art exists the vibration isolating effect difference of vibration isolator.

This utility model embodiment has supplied a kind of vibration isolator, including:

Casing, including top board and the base plate relative with described top board, described casing has a cavity, wherein, offers an opening on described top board；

First attachment structure, including upper part and end portion, described attachment structure wears by described opening so that described upper part is outside described casing, and described end portion is in described cavity, and described upper part is for connecting equipment to be damped；

Horizontal vibration insulation structure, is arranged in described cavity；

First vertical vibration isolation structure, is arranged between described base plate and described end portion.

Optionally, described first attachment structure includes cylindrical member and plate-shaped member, and the first end of described cylindrical member is vertically set on described plate-shaped member, and the second end of described cylindrical member is described upper part, and described plate-shaped member place end is described end portion.

Optionally, described first vertical vibration isolation structure includes the first volute spring, one end of described first volute spring is connected by welding, screwing or snap fit are fixing with the base plate of described casing, and the other end of described first volute spring is connected with described plate-shaped member.

Optionally, described first vertical vibration isolation structure also includes the second volute spring, be arranged on described end portion with in the similar face set by described first volute spring, the vertical height of described second volute spring is less than the vertical height of described first volute spring；Wherein, after described first volute spring produces deformation in the vertical direction of described base plate, after described second volute spring and described contacts baseplate, described second volute spring produces deformation in the vertical direction of described base plate so that described first volute spring can reduce described equipment oscillation amplitude in the vertical direction of described base plate with the combinative structure of described second volute spring.

Optionally, described vibration isolator also includes the second vertical vibration isolation structure, is arranged between described plate-shaped member and described top board.

Optionally, described horizontal vibration piece includes the first plane scroll spring, described first plane scroll spring has the first through hole, described cylindrical member wears described first through hole, make the upper part of described first attachment structure in the side of described first through hole, the end portion of described first attachment structure is at the opposite side of described first through hole, the outboard end of described first plane scroll spring is connected by welding, screwing or snap fit are fixing with the sidewall of described casing, and described first plane scroll spring is parallel to the base plate of described casing.

Optionally, described vibration isolator also includes the second attachment structure, described second attachment structure is fastened between described first plane scroll spring and described top board, described second attachment structure has the second through hole, described cylindrical member wears described first through hole, make the upper part of described first attachment structure in the side of described second through hole, the end portion of described first attachment structure at the opposite side of described second through hole, described second attachment structure be arranged on described second vertical vibration isolation form touch.

Optionally, described horizontal vibration piece also includes the second plane scroll spring, described second plane scroll spring has third through-hole, it is set in described second attachment structure by the second plane scroll spring described in described third through-hole, described second plane scroll spring is parallel to the base plate of described casing, and the radius of described second plane scroll spring is less than the radius of described first plane scroll spring；Wherein, after described first plane scroll spring produces deformation in the horizontal direction of the base plate of described casing, after the sidewall contact of described second plane scroll spring and described casing, described second plane scroll spring produces deformation in the horizontal direction of described base plate so that described first plane scroll spring can reduce described equipment oscillation amplitude in the horizontal direction of described base plate with the combinative structure of described second plane scroll spring.

Optionally, described second vertical vibration isolation structure includes the first helical spring, and one end of described helical spring is connected by welding, screwing or snap fit are fixing with described plate-shaped member, and described cylindrical member is set in described first helical spring.

Optionally, described second vibration insulation structure also includes the second helical spring, be arranged on described plate-shaped member with in the similar face set by described first helical spring, one end of described second helical spring is connected by welding or screw or snap fit is fixing with described platy structure is connected, described cylindrical member is set in described second helical spring, and the vertical height of described second helical spring is less than the vertical height of described first helical spring；Wherein, after described first helical spring produces deformation in the vertical direction of the base plate of described casing, after described second helical spring contacts with described second attachment structure, described second helical spring produces deformation in the vertical direction of the base plate of described casing so that described first helical spring can reduce described equipment oscillation amplitude in the vertical direction of the base plate of described casing with the combinative structure of described second helical spring.

Optionally, described vibration isolator also includes:

First block rubber, described first block rubber is attached on the base plate of described casing by vulcanization；

Second block rubber, described second block rubber is attached to the surface of described end portion by vulcanization；

3rd block rubber, described 3rd block rubber is attached on the sidewall of described casing by vulcanization；

Wherein, described first block rubber, described second block rubber all can produce elastic deformation to reduce the Oscillation Amplitude on Impact direction with described 3rd block rubber under stressing conditions.

Optionally, described vibration isolator also includes:

4th block rubber, described 4th block rubber is attached on the surface that the sidewall with described casing of described second attachment structure is corresponding by vulcanization, wherein, described 4th block rubber can produce elastic deformation to reduce the Oscillation Amplitude on Impact direction under stressing conditions.

Said one in the embodiment of the present application or multiple technical scheme, at least have one or more technique effects following:

Due to vibration isolator in the embodiment of the present application, including: casing, including top board and the base plate relative with described top board, described casing has a cavity, wherein, offers an opening on described top board；First attachment structure, including upper part and end portion, described attachment structure wears by described opening so that described upper part is outside described casing, and described end portion is in described cavity, and described upper part is for connecting equipment to be damped；Horizontal vibration insulation structure, is arranged in described cavity；First vertical vibration isolation structure, is arranged between described base plate and described end portion.So, when equipment to be damped is connected with upper part, equipment to be damped vibration in the horizontal direction can be reduced by the horizontal vibration insulation structure of vibration isolator, equipment to be damped vibration in vertical direction can be reduced by the first vertical vibration isolation structure, and, due to radial direction (horizontal vibration insulation structure) and the rigidity separately design of axial (the first vertical vibration isolation structure) of vibration isolator, meet the diversity of different directions rigidity requirement.Thus it is possible to effectively solve the technical problem that prior art exists the effectiveness in vibration suppression difference of vibration isolator, it is achieved the effectively technique effect of vibration damping.

Due in vibration isolator in the embodiment of the present application, described first vertical vibration isolation structure in the axial direction includes the first volute spring and the second volute spring, the vertical height of described second volute spring is less than the vertical height of described first volute spring, and horizontal vibration insulation structure diametrically includes the first plane scroll spring and the second plane scroll spring, the radius of described second plane scroll spring is less than the radius of described first plane scroll spring.As can be seen here, the vibration isolator in the application, all use two stage stiffness design radial and axial, when equipment to be damped is impacted or produces the biggest transient vibration, vibration isolator provides bigger rigidity, it is to avoid rigid shock occurs.So, it is achieved that in the environment of vibratory output is relatively big and vibratory output is less, it is respectively provided with good effectiveness in vibration suppression.

Owing to, in vibration isolator in the embodiment of the present application, being also devised with the second vertical vibration isolation structure at axial direction, being arranged between described plate-shaped member and described top board.Described second vertical vibration isolation structure includes the first helical spring and the second helical spring, and the vertical height of described second helical spring is less than the vertical height of described first helical spring.So, owing to equipment to be damped vibratory output in vertical direction is relatively big, designs the second vertical vibration isolation structure and can reduce equipment to be damped vibration in vertical direction further, it is ensured that good effectiveness in vibration suppression.

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme in the embodiment of the present application or prior art, in describing embodiment below, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only embodiments more of the present utility model.

Fig. 1 is the structural section schematic diagram of vibration isolator in the embodiment of the present application；

Fig. 2 is the first volute spring 41 and concrete structure schematic diagram of the second volute spring 42 in the embodiment of the present application；

Fig. 3 is the first plane scroll spring 31 and concrete structure schematic diagram of the second plane scroll spring 32 in the embodiment of the present application；

Fig. 4 is the first helical spring 51 and concrete structure schematic diagram of the second helical spring 52 in the embodiment of the present application.

Detailed description of the invention

This utility model embodiment provides a kind of vibration isolator, for solving the technical problem that prior art exists the vibration isolating effect difference of vibration isolator.

For solving above-mentioned technical problem, this utility model embodiment provides a kind of vibration isolator, and general thought is as follows:

A kind of vibration isolator, including:

Casing, including top board and the base plate relative with described top board, described casing has a cavity, wherein, offers an opening on described top board；

First attachment structure, including upper part and end portion, described attachment structure wears by described opening so that described upper part is outside described casing, and described end portion is in described cavity；

Horizontal vibration insulation structure, is arranged in described cavity；

First vertical vibration isolation structure, is arranged between described base plate and described end portion.

Due to vibration isolator in the embodiment of the present application, including: casing, including top board and the base plate relative with described top board, described casing has a cavity, wherein, offers an opening on described top board；First attachment structure, including upper part and end portion, described attachment structure wears by described opening so that described upper part is outside described casing, and described end portion is in described cavity, and described upper part is for connecting equipment to be damped；Horizontal vibration insulation structure, is arranged in described cavity；First vertical vibration isolation structure, is arranged between described base plate and described end portion.So, when equipment to be damped is connected with end portion, equipment to be damped vibration in the horizontal direction can be reduced by the horizontal vibration insulation structure of vibration isolator, equipment to be damped vibration in vertical direction can be reduced by the first vertical vibration isolation structure, and, due to radial direction (horizontal vibration insulation structure) and the rigidity separately design of axial (the first vertical vibration isolation structure) of vibration isolator, meet the diversity of different directions rigidity requirement.Thus it is possible to effectively solve the technical problem that prior art exists the effectiveness in vibration suppression difference of vibration isolator, it is achieved the effectively technique effect of vibration damping.

Below in conjunction with the accompanying drawings the main of the embodiment of the present application technical scheme is realized principle, detailed description of the invention and be explained in detail the beneficial effect that should be able to reach.

Embodiment

Refer to Fig. 1, this utility model embodiment provides a kind of vibration isolator, including:

Casing 10, including top board 11 and the base plate 12 relative with described top board 11, described casing 10 has a cavity, wherein, offers an opening on described top board 11；

First attachment structure 20, including upper part 21 and end portion 22, described first attachment structure 20 wears by described opening so that described upper part 21 is outside described casing 10, described end portion 22 is in described cavity, and described upper part 21 is for connecting equipment to be damped；

Horizontal vibration insulation structure, is arranged in described cavity；

First vertical vibration isolation structure, is arranged between described base plate 12 and described end portion 22.

Described first attachment structure 20 includes cylindrical member and plate-shaped member, and the first end of described cylindrical member is vertically set on described plate-shaped member, and the second end of described cylindrical member is described upper part 21, and described plate-shaped member place end is described end portion 22.

Described first vertical vibration isolation structure includes the first volute spring 41, and one end of described first volute spring is connected by welding, screwing or snap fit are fixing with the base plate of described casing, and the other end of described first volute spring is connected with described plate-shaped member.

Described first vertical vibration isolation structure also includes the second volute spring 42, be arranged on described end portion 22 with in the similar face set by described first volute spring 41, the vertical height of described second volute spring 42 is less than the vertical height of described first volute spring 41；Wherein, after described first volute spring 41 produces deformation in the vertical direction of described base plate 12, after described second volute spring 42 contacts with described base plate 12, described second volute spring 42 produces deformation in the vertical direction of described base plate 12 so that described first volute spring can reduce described equipment oscillation amplitude in the vertical direction of described base plate 12 with the combinative structure of described second volute spring.

Described vibration isolator also includes the second vertical vibration isolation structure, is arranged between described plate-shaped member and described top board 11.Described horizontal vibration piece includes the first plane scroll spring 31, described first plane scroll spring 31 has the first through hole, described cylindrical member wears described first through hole, make the upper part 21 of described first attachment structure 20 in the side of described first through hole, the end portion 22 of described first attachment structure 20 is at the opposite side of described first through hole, the outboard end of described first plane scroll spring 31 is connected by welding, screwing or snap fit are fixing with the sidewall of described casing, and described first plane scroll spring 31 is parallel to the base plate 12 of described casing.

Described vibration isolator also includes the second attachment structure 60, described second attachment structure 60 is fastened between described first plane scroll spring 31 and described top board 11, described second attachment structure 60 has the second through hole, described cylindrical member wears described first through hole, make the upper part 21 of described first attachment structure 20 in the side of described second through hole, the end portion 22 of described first attachment structure 20 at the opposite side of described second through hole, described second attachment structure 60 be arranged on described second vertical vibration isolation form touch.

Described horizontal vibration piece also includes the second plane scroll spring 32, described second plane scroll spring 32 has third through-hole, it is set in described second attachment structure 60 by the second plane scroll spring 32 described in described third through-hole, described second plane scroll spring 32 is parallel to the base plate 12 of described casing, and the radius of described second plane scroll spring 32 is less than the radius of described first plane scroll spring 31；Wherein, after described first plane scroll spring 31 produces deformation in the horizontal direction of the base plate 12 of described casing, after the sidewall contact of described second plane scroll spring 32 and described casing, described second plane scroll spring 32 produces deformation in the horizontal direction of described base plate 12 so that described first plane scroll spring 31 can reduce described equipment oscillation amplitude in the horizontal direction of described base plate 12 with the combinative structure of described second plane scroll spring 32.

Described second vertical vibration isolation structure includes the first helical spring 51, and one end of described helical spring is connected by welding, screwing or snap fit are fixing with described plate-shaped member, and described cylindrical member is set in described first helical spring 51.Described second vertical vibration isolation structure also includes the second helical spring 52, be arranged on described plate-shaped member with in the similar face set by described first helical spring 51, one end of described second helical spring 52 is connected by welding or screw or snap fit is fixing with described platy structure is connected, described cylindrical member is set in described second helical spring 52, and the vertical height of described second helical spring 52 is less than the vertical height of described first helical spring 51；Wherein, after described first helical spring 51 produces deformation in the vertical direction of the base plate 12 of described casing, after described second helical spring 52 contacts with described second attachment structure 60, described second helical spring 52 produces deformation in the vertical direction of the base plate 12 of described casing so that described first helical spring 51 can reduce described equipment oscillation amplitude in the vertical direction of the base plate 12 of described casing with the combinative structure of described second helical spring 52.

Concrete, the casing 10 in vibration isolator in the present embodiment can be designed as rectangular structure, cube structure, cylindrical structure etc. according to practical situation, here, the application does not limits.In the present embodiment, casing 10 is designed primarily to cylindrical structure, including the base plate 12 being oppositely arranged and top board 11, casing 10 also includes sidewall, and casing 10 can be made up of the metal material that hardness is stronger, such as: the materials such as ferrum, copper, rustless steel, in specific implementation process, the shape of casing 10 and material all can set according to practical situation, here, the application does not limits.

First attachment structure 20 includes cylindrical member and plate-shaped member, cylindrical member can be cylinder, it can also be square cylinder, the shape of plate-shaped member can be the structure of discoid structure or square shape, and, cylindrical member and plate-shaped member can be that one generates, can also be to be assembled by two parts, cylindrical member can be made up of the metal material that hardness is stronger with plate-shaped member, as: ferrum, copper, the materials such as rustless steel, in specific implementation process, the concrete structure of the first attachment structure 20 and material can set according to practical situation, at this, the application does not limits.Second end of the first attachment structure 20 cylindrical member is used for connecting equipment to be damped, and the second end of cylindrical member can be connected by screw with equipment to be damped, be connected together etc., and mode is fixed together.

Second attachment structure 60 is set in the cylindrical member of the first attachment structure 20, and, second attachment structure 60 is fastened between the first plane scroll spring 31 top board 11, can move left and right, in second attachment structure 60, draw-in groove can be set, for blocking the internal diameter corresponding end of the first plane scroll spring 31, certainly, draw-in groove also can be set in the second attachment structure 60, for blocking the internal diameter corresponding end of the second plane scroll spring 32.Second attachment structure 60 is specifically configured to a Snap ring structure, can threadedly be connected by two parts assembly, it is possible to one-body molded, not be restricted in this application.Second attachment structure 60 can be made up of the metal material that hardness is stronger, such as: the materials such as ferrum, copper, rustless steel, and in specific implementation process, the concrete structure of the second attachment structure 60 and material can set according to practical situation, here, the application does not limits.

In order to meet the requirement to vibration isolator of the vibratory output less vibration environment bigger with vibratory output simultaneously, first vertical vibration isolation structure and horizontal vibration piece all use two grades of stiffness structure designs, first vertical vibration isolation structure includes the first volute spring 41 and the second volute spring 42, the concrete structure of the first volute spring 41 and the second volute spring 42 is as in figure 2 it is shown, the vertical height of the first volute spring 41 is more than the vertical height of the second volute spring 42.First volute spring 41 can be made up of the metal material that hardness is stronger with the second volute spring 42, such as: the materials such as ferrum, copper, rustless steel are made, here, the application is not construed as limiting.In like manner, horizontal vibration piece includes the concrete structure of the first plane scroll spring 31 and the second plane scroll spring 32 as shown in Figure 3, the radius of the second plane scroll spring 32 is less than the radius of the first plane scroll spring 31, first plane scroll spring 31 can be made up of the metal material that hardness is stronger with the second plane scroll spring 32, such as: the materials such as ferrum, copper, rustless steel are made.Here, the application is not construed as limiting.

In order to reduce the vibration in vertical direction further, the second vertical vibration isolation structure that vibration isolator includes, second vertical vibration isolation structure is also adopted by two grades of stiffness structure designs, second vertical vibration isolation structure includes the first helical spring 51 and the second helical spring 52, the concrete structure of the first helical spring 51 and the second helical spring 52 is as shown in Figure 4, the vertical height of the second helical spring 52 is less than the vertical height of described first helical spring 51, first helical spring 51 can be made up of the metal material that hardness is stronger with the second helical spring 52, as: ferrum, copper, the materials such as rustless steel are made, at this, the application is not construed as limiting.

When vibration isolator is subject to less load effect in vertical direction, the first helical spring 51 and the first volute spring 41 provide axial rigidity；When vibration isolator is when being vertically upward subject to bigger load effect, and the first helical spring 51 and the first volute spring 41 and the second helical spring 52 provide axial rigidity；When vibration isolator is when being subject to bigger load effect vertically downward, and the first helical spring 51 and the first volute spring 41 and the second volute spring 42 provide axial rigidity.When vibration isolator is when being radially subject to less load effect, and the first plane scroll spring 31 and the first volute spring 41 provide radial rigidity；When vibration isolator is radially by bigger load effect time, the first plane scroll spring 31 and the second plane scroll spring 32 and and the first volute spring 41 radial rigidity is provided.Second plane scroll spring the 32, second volute spring 42 act as with the second helical spring 52: when the displacement of vibration isolator reaches to a certain degree, it is provided that extra greater stiffness, it is to avoid rigid shock.All using two stage stiffness design radial and axial, when equipment is impacted or produces the biggest transient vibration, vibration isolator provides bigger rigidity, it is to avoid rigid shock.This vibration isolator structure is simple, insensitive to environmental condition reaction, does not use steel net pad, it is to avoid the rigidity mutation problems brought by steel net pad creep or fracture, stable performance.

Further, first volute spring 41 is oppositely oriented with the second volute spring 42, first helical spring 51 is oppositely oriented with the second helical spring 52, and the first plane scroll spring 31 is oppositely oriented with the second plane scroll spring 32, and this design can avoid adjacent springs generation chiasm interference phenomenon.

In order to be able to be further ensured that vibration isolating effect, described vibration isolator also includes: the first block rubber, and described first block rubber is attached on the base plate 12 of described casing by vulcanization；Second block rubber, described second block rubber is attached to the surface of described end portion 22 by vulcanization；3rd block rubber, described 3rd block rubber is attached on the sidewall of described casing by vulcanization；Wherein, described first block rubber, described second block rubber all can produce elastic deformation to reduce the Oscillation Amplitude on Impact direction with described 3rd block rubber under stressing conditions.Meanwhile, the surface that the second attachment structure 60 is corresponding with the sidewall of casing 10 can also arrange the 4th block rubber, for reducing equipment to be damped Oscillation Amplitude in the horizontal direction.

By the one or more technical schemes in the embodiment of the present application, it is possible to achieve following one or more technique effects:

Due to vibration isolator in the embodiment of the present application, including: casing, including top board and the base plate relative with described top board, described casing has a cavity, wherein, offers an opening on described top board；First attachment structure, including upper part and end portion, described attachment structure wears by described opening so that described upper part is outside described casing, and described end portion is in described cavity, and described upper part is for connecting equipment to be damped；Horizontal vibration insulation structure, is arranged in described cavity；First vertical vibration isolation structure, is arranged between described base plate and described end portion.So, when equipment to be damped is connected with upper part, equipment to be damped vibration in the horizontal direction can be reduced by the horizontal vibration insulation structure of vibration isolator, equipment to be damped vibration in vertical direction can be reduced by the first vertical vibration isolation structure, and, due to radial direction (horizontal vibration insulation structure) and the rigidity separately design of axial (the first vertical vibration isolation structure) of vibration isolator, meet the diversity of different directions rigidity requirement.Thus it is possible to effectively solve the technical problem that prior art exists the effectiveness in vibration suppression difference of vibration isolator, it is achieved the effectively technique effect of vibration damping.

Due in vibration isolator in the embodiment of the present application, described first vertical vibration isolation structure in the axial direction includes the first volute spring and the second volute spring, the vertical height of described second volute spring is less than the vertical height of described first volute spring, and horizontal vibration insulation structure diametrically includes the first plane scroll spring and the second plane scroll spring, the radius of described second plane scroll spring is less than the radius of described first plane scroll spring.As can be seen here, the vibration isolator in the application, all use two stage stiffness design radial and axial, when equipment to be damped is impacted or produces the biggest transient vibration, vibration isolator provides bigger rigidity, it is to avoid rigid shock occurs.So, it is achieved that in the environment of vibratory output is relatively big and vibratory output is less, it is respectively provided with good effectiveness in vibration suppression.

Owing to, in vibration isolator in the embodiment of the present application, being also devised with the second vertical vibration isolation structure at axial direction, being arranged between described plate-shaped member and described top board.Described second vertical vibration isolation structure includes the first helical spring and the second helical spring, and the vertical height of described second helical spring is less than the vertical height of described first helical spring.So, owing to equipment to be damped vibratory output in vertical direction is relatively big, designs the second vertical vibration isolation structure and can reduce equipment to be damped vibration in vertical direction further, it is ensured that good effectiveness in vibration suppression.

Although having been described for preferred embodiment of the present utility model, but those skilled in the art once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of this utility model scope.

Obviously, those skilled in the art can carry out various change and modification without deviating from spirit and scope of the present utility model to this utility model.So, if these amendments of the present utility model and modification belong within the scope of this utility model claim and equivalent technologies thereof, then this utility model is also intended to comprise these change and modification.

Claims (12)

1. a vibration isolator, including:

Casing, including top board and the base plate relative with described top board, described casing has a cavity, wherein, offers an opening on described top board；

First attachment structure, including upper part and end portion, described attachment structure wears by described opening so that described upper part is outside described casing, and described end portion is in described cavity, and described upper part is for connecting equipment to be damped；

Horizontal vibration insulation structure, is arranged in described cavity；

First vertical vibration isolation structure, is arranged between described base plate and described end portion.

2. vibration isolator as claimed in claim 1, it is characterized in that, described first attachment structure includes cylindrical member and plate-shaped member, first end of described cylindrical member is vertically set on described plate-shaped member, second end of described cylindrical member is described upper part, and described plate-shaped member place end is described end portion.

3. vibration isolator as claimed in claim 2, it is characterized in that, described first vertical vibration isolation structure includes the first volute spring, one end of described first volute spring is connected by welding, screwing or snap fit are fixing with the base plate of described casing, and the other end of described first volute spring is connected with described plate-shaped member.

4. vibration isolator as claimed in claim 3, it is characterized in that, described first vertical vibration isolation structure also includes the second volute spring, be arranged on described end portion with in the similar face set by described first volute spring, the vertical height of described second volute spring is less than the vertical height of described first volute spring；Wherein, after described first volute spring produces deformation in the vertical direction of described base plate, after described second volute spring and described contacts baseplate, described second volute spring produces deformation in the vertical direction of described base plate so that described first volute spring can reduce described equipment oscillation amplitude in the vertical direction of described base plate with the combinative structure of described second volute spring.

5. vibration isolator as claimed in claim 2, it is characterised in that described vibration isolator also includes the second vertical vibration isolation structure, is arranged between described plate-shaped member and described top board.

6. vibration isolator as claimed in claim 5, it is characterized in that, described horizontal vibration insulation structure includes the first plane scroll spring, described first plane scroll spring has the first through hole, described cylindrical member wears described first through hole, make the upper part of described first attachment structure in the side of described first through hole, the end portion of described first attachment structure is at the opposite side of described first through hole, the outboard end of described first plane scroll spring is by welding, screw connects or snap fit is fixing with the sidewall of described casing is connected, described first plane scroll spring is parallel to the base plate of described casing.

7. vibration isolator as claimed in claim 6, it is characterized in that, described vibration isolator also includes the second attachment structure, described second attachment structure is fastened between described first plane scroll spring and described top board, described second attachment structure has the second through hole, described cylindrical member wears described first through hole, make the upper part of described first attachment structure in the side of described second through hole, the end portion of described first attachment structure at the opposite side of described second through hole, described second attachment structure be arranged on described second vertical vibration isolation form touch.

8. vibration isolator as claimed in claim 7, it is characterized in that, described horizontal vibration insulation structure also includes the second plane scroll spring, described second plane scroll spring has third through-hole, it is set in described second attachment structure by the second plane scroll spring described in described third through-hole, described second plane scroll spring is parallel to the base plate of described casing, and the radius of described second plane scroll spring is less than the radius of described first plane scroll spring；Wherein, after described first plane scroll spring produces deformation in the horizontal direction of the base plate of described casing, after the sidewall contact of described second plane scroll spring and described casing, described second plane scroll spring produces deformation in the horizontal direction of described base plate so that described first plane scroll spring can reduce described equipment oscillation amplitude in the horizontal direction of described base plate with the combinative structure of described second plane scroll spring.

9. vibration isolator as claimed in claim 7, it is characterized in that, described second vertical vibration isolation structure includes the first helical spring, one end of described helical spring is connected by welding, screwing or snap fit are fixing with described plate-shaped member, and described cylindrical member is set in described first helical spring.

10. vibration isolator as claimed in claim 9, it is characterized in that, described second vertical vibration isolation structure also includes the second helical spring, be arranged on described plate-shaped member with in the similar face set by described first helical spring, one end of described second helical spring is connected by welding or screw or snap fit is fixing with described platy structure is connected, described cylindrical member is set in described second helical spring, and the vertical height of described second helical spring is less than the vertical height of described first helical spring；Wherein, after described first helical spring produces deformation in the vertical direction of the base plate of described casing, after described second helical spring contacts with described second attachment structure, described second helical spring produces deformation in the vertical direction of the base plate of described casing so that described first helical spring can reduce described equipment oscillation amplitude in the vertical direction of the base plate of described casing with the combinative structure of described second helical spring.

11. vibration isolators as described in any claim in claim 1-10, it is characterised in that described vibration isolator also includes:

First block rubber, described first block rubber is attached on the base plate of described casing by vulcanization；

Second block rubber, described second block rubber is attached to the surface of described end portion by vulcanization；

3rd block rubber, described 3rd block rubber is attached on the sidewall of described casing by vulcanization；

Wherein, described first block rubber, described second block rubber all can produce elastic deformation to reduce the Oscillation Amplitude on Impact direction with described 3rd block rubber under stressing conditions.

12. vibration isolators as described in any claim in claim 7-10, it is characterised in that described vibration isolator also includes:

4th block rubber, described 4th block rubber is attached on the surface that the sidewall with described casing of described second attachment structure is corresponding by vulcanization, wherein, described 4th block rubber can produce elastic deformation to reduce the Oscillation Amplitude on Impact direction under stressing conditions.