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CN205715398U - The suspension cushion block of radiator - Google Patents

The suspension cushion block of radiator Download PDF

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Publication number
CN205715398U
CN205715398U CN201620318901.XU CN201620318901U CN205715398U CN 205715398 U CN205715398 U CN 205715398U CN 201620318901 U CN201620318901 U CN 201620318901U CN 205715398 U CN205715398 U CN 205715398U
Authority
CN
China
Prior art keywords
cushion block
radiator
suspension cushion
vibration damping
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201620318901.XU
Other languages
Chinese (zh)
Inventor
王晓峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Borgward Automotive China Co Ltd
Original Assignee
Borgward Automotive China Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Borgward Automotive China Co Ltd filed Critical Borgward Automotive China Co Ltd
Priority to CN201620318901.XU priority Critical patent/CN205715398U/en
Application granted granted Critical
Publication of CN205715398U publication Critical patent/CN205715398U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses the suspension cushion block of a kind of radiator, described suspension cushion block includes that the first connecting portion, described first connecting portion are suitable to be connected with described radiator;Second connecting portion, described second connecting portion is suitable to be connected with vehicle body;Vibration damping portion, described vibration damping portion is connected between described first connecting portion and described second connecting portion, and described vibration damping portion includes multiple transducer part that subtracts, and the plurality of subtracting at least includes different first the subtracting transducer part and second and subtract transducer part of rigidity in transducer part.The suspension cushion block of the radiator according to this utility model embodiment, damping cushion effect is good.

Description

The suspension cushion block of radiator
Technical field
This utility model relates to technical field of vehicle manufacture, in particular to the suspension cushion block of a kind of radiator.
Background technology
When vehicle driving-cycle is poor or under bad working environments, radiator is relatively big for the impact of suspension cushion block, in correlation technique, The suspension cushion block of radiator, although simple in construction, but radiator force request under different operating modes can not be met, exist and change Enter space.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new Type proposes the suspension cushion block of the good radiator of a kind of damping cushion effect.
According to the suspension cushion block of radiator of the present utility model, including: the first connecting portion, described first connecting portion is suitable to and institute State radiator to be connected;Second connecting portion, described second connecting portion is suitable to be connected with vehicle body;Vibration damping portion, described vibration damping portion connects Between described first connecting portion and described second connecting portion, described vibration damping portion includes multiple transducer part that subtracts, the plurality of vibration damping Sub-portion at least includes different first the subtracting transducer part and second and subtract transducer part of rigidity.
The suspension cushion block of the radiator according to this utility model embodiment, good damping effect, at least two-stage vibration damping can be realized, with It is beneficial to the service life of heat radiation device, and improves the NVH performance of vehicle.
Described vibration damping portion is column, and described column includes unequal first shaft part of area and second shaft part of cross section, Described first shaft part constitutes described first and subtracts transducer part, and described second shaft part constitutes described second and subtracts transducer part.
Described first variable rigidity subtracting transducer part, described first subtracts the minimum rigidity of transducer part more than or equal to described second vibration damping The rigidity in sub-portion.
Described vibration damping portion is column, and described column includes the first shaft part and the second shaft part, being subject to of described suspension cushion block On force direction, the area of the cross section of described first shaft part is gradually increased, and described first subtracts the face of the minimum cross-section of transducer part The area of the long-pending cross section more than described second shaft part, described first shaft part constitutes described first and subtracts transducer part, described second axle Section constitutes described second and subtracts transducer part.
Described first shaft part includes main part and multiple buffer stopper, and the outer peripheral face of described main part is provided with along described vibration damping portion The first circumferentially extending annular recess, the plurality of buffer stopper is located at described first ring-type recessed along described vibration damping portion circumferentially-spaced On the diapire of groove.
Described first connection part structure is cylinder, the outer surface of described buffer stopper and the flush with outer surface of described first connecting portion.
The plurality of buffer stopper is located on the diapire of described first annular recess along the circumferential uniform intervals in described vibration damping portion.
The the second circumferentially extending annular recess along described vibration damping portion it is formed with on the outer peripheral face of described second shaft part.
Described second connection part structure is column and includes first paragraph, second segment and the 3rd section being sequentially connected, described first paragraph Being connected with described vibration damping portion, the outer peripheral face of described second segment is common with described first paragraph and described 3rd section of end face toward each other Limiting clamp groove, described 3rd section is configured to conical section, and the area of the cross section of described conical section is from described second One end of Duan Xianglian is gradually reduced to the one end away from described second segment.
Accompanying drawing explanation
Fig. 1 is the sectional view of the suspension cushion block of the radiator according to this utility model embodiment;
Fig. 2 is the front view of the suspension cushion block of the radiator according to this utility model embodiment;
Fig. 3 is the structural representation that the suspension cushion block of the radiator according to this utility model embodiment coordinates with vehicle body.
Reference:
Suspension cushion block 100,
First connecting portion 1,
Second connecting portion 2, first paragraph 21, second segment 22, the 3rd section 23, clamp groove 24,
Vibration damping portion 3,
First subtract transducer part 31, main part the 311, first annular recess 3111, buffer stopper 312,
Second subtract transducer part the 32, second annular recess 321,
Centre bore 4,
Vehicle body 200.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings.Below with reference to The embodiment that accompanying drawing describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to of the present utility model Limit.
The suspension cushion block 100 of the radiator according to this utility model embodiment is described referring to Fig. 1-Fig. 3.Such as Fig. 1-Fig. 3 Shown in, include first connecting portion the 1, second connecting portion 2 according to the suspension cushion block 100 of the radiator of this utility model embodiment With vibration damping portion 3.
The suspension cushion block 100 of radiator, between radiator and vehicle body 200, for alleviating the vibration of vehicle body 200 to heat radiation The impact of device.
First connecting portion 1 is suitable to be connected with radiator, and the such as first connecting portion 1 is it is so structured that support seat and be used for supporting heat radiation Device.Second connecting portion 2 is suitable to be connected with vehicle body 200, and specifically, the second connecting portion 2 can be tied with the support of vehicle body 200 Structure is connected, thus is supported on vehicle body 200 by which better suspension cushion block 100.
When suspension cushion block 100 is by External Force Acting, the effect of vibration reduction and cushioning is played in vibration damping portion 3.As shown in Figure 1-Figure 3, subtract After the portion 3 that shakes is connected between the first connecting portion 1 and the second connecting portion 2, thus the external force will transmitted from vehicle body 200 reduces Pass to radiator.
Advantageously, first connecting portion the 1, second connecting portion 2 and vibration damping portion 3 may be integrally formed, and thus simple in construction manufacture is held Easily.As shown in figures 1 and 3, the middle part of suspension cushion block 100 is additionally provided with and axially penetrates through suspension cushion block along suspension cushion block 100 The centre bore 4 of 100, the most not only can alleviate the quality of suspension cushion block 100, and be easy to the company of suspension cushion block 100 and radiator Connect.Alternatively, suspension cushion block 100 uses rubber to make.
As shown in Figure 1-Figure 3, vibration damping portion 3 includes that multiple transducer part that subtracts, multiple subtracting at least include in transducer part that rigidity is different First subtracts transducer part 31 and second subtracts transducer part 32, and rigidity is the ability that finger resists elastic deformation when stress, the most just Being to say, multiple subtract in transducer part, the first rigidity subtracting transducer part 31 varies in size with the second rigidity subtracting transducer part 32, from And when the external force difference that suspension cushion block 100 is subject to, first subtracts transducer part 31 and second subtracts the priority that transducer part 32 is compressed Order is different.
When vehicle travels in shallower road conditions, when i.e. external force suffered by suspension cushion block 100 is less, first subtracts transducer part 31 He Second elder generation subtracting the rigidity in transducer part 32 less is compressed, when vehicle travels in relatively bad working environments, i.e. and suspension cushion block 100 When suffered external force is bigger, first subtracts the elder generation that transducer part 31 and second subtracts the rigidity in transducer part 32 less is compressed, and afterwards the One subtracts transducer part 31 and second subtracts bigger being compressed again of the rigidity in transducer part 32, from there through arranging at least two rigidity Different subtracts transducer part, it is achieved at least two-stage vibration damping, reaches to optimize the purpose of the vibration-damping function of the suspension cushion block 100 of radiator, Improve NVH performance and the driver impression of vehicle.
Certainly, multiple rigidity subtracting transducer part also can be the most unequal, thus multistage detection buffering can play in vibration damping portion 3 Effect.
The suspension cushion block 100 of the radiator according to this utility model embodiment, connects by being connected to the first connecting portion 1 and second The vibration damping portion 3 between portion 2 that connects is arranged to include the mutually different transducer part that subtracts of at least two rigidity, thus realizes at least two-stage Vibration reduction and cushioning, vibration-damping function is optimised, and indirectly extends service life, and preferably improves the stressing conditions of radiator, Meet the traveling demand of different operating mode, improve the NVH performance of vehicle.
Some describing the suspension cushion block 100 according to the radiator of this utility model embodiment referring to Fig. 1-Fig. 3 are concrete Embodiment.
As shown in Figure 1-Figure 3, suspension cushion block 100 includes the first connecting portion the 1, second connecting portion 2 and vibration damping portion 3.Vibration damping portion 3 are connected between the first connecting portion 1 and the second connecting portion 2, and the first connecting portion 1 is connected with radiator, the second connecting portion 2 Being connected with vehicle body 200, radiator is supported in the support member of vehicle body 200 by suspension cushion block 100.
As it is shown in figure 1, vibration damping portion 3 is column, alternatively, the cross section of column is circular, square or triangle. Preferably, the cross section of column is circular, consequently facilitating be connected with vehicle body 200 and radiator, and processing and manufacturing is easier to.
In embodiments more of the present utility model, column includes unequal first shaft part of cross-sectional area and the second shaft part, First shaft part constitutes first and subtracts transducer part 31, and the second shaft part constitutes second and subtracts transducer part 32, say, that by by the first axle The area of the cross section of section is arranged to different from the area of the cross section of the second shaft part, makes the first shaft part and the rigidity of the second shaft part Difference, thus according to the suspension cushion block 100 of this utility model embodiment, it is possible to achieve two grades of effectiveness in vibration suppression.
In a preferred embodiment of the present utility model, first subtracts transducer part 31 on the Impact direction of suspension cushion block 100 Variable, wherein the first minimum rigidity subtracting transducer part 31 is more than the second rigidity subtracting transducer part 32, and i.e. first subtracts transducer part 31 Including the part that multiple rigidity are different, the second rigidity subtracting transducer part 32 is less than or equal to the minimum rigidity in some, thus When by external force, second subtracts transducer part 32 is preferentially compressed, and first subtracts transducer part 31 from rigidity the best part to rigidity Minimum part is progressively compressed.So, the effectiveness in vibration suppression of suspension cushion block 100 is promoted further, it is achieved multistage continuous damping, Better adapt to bad working environments.
In the embodiment of above-mentioned first variable rigidity subtracting transducer part 31, vibration damping portion 3 is column, and this column includes First shaft part and the second shaft part, wherein, on the Impact direction of described suspension cushion block 100, the face of the cross section of the first shaft part Amassing and be gradually increased, first subtracts the area area more than or equal to the cross section of the second shaft part of the minimum cross-section of transducer part 31, the One shaft part constitutes first and subtracts transducer part 31, and the second shaft part constitutes second and subtracts transducer part 32.So, first subtract transducer part 31 from Rigidity the best part is progressively compressed to the part that rigidity is minimum, and transition is mild, promotes subtracting of suspension cushion block 100 further Shake buffering effect, it is achieved multistage continuous damping, better adapts to bad working environments.
Specifically, as shown in Figure 1-Figure 3, the first shaft part includes main part 311 and multiple buffer stopper 312, main part 311 Outer peripheral face be provided with the first circumferentially extending annular recess 3111 along vibration damping portion 3, multiple buffer stoppers 312 are along vibration damping portion 3 The circumferentially-spaced diapire being located at the first annular recess 3111 on.Thus buffer shock-absorbing effect same ensureing the first shaft part Time, the radial dimension of the first shaft part will not be increased, save material and installing space.
The outer peripheral face of the second shaft part is provided with the second circumferentially extending annular recess 321 along vibration damping portion 3, is thus ensureing second While the buffer shock-absorbing effect of shaft part, the radial dimension of the second shaft part will not be increased, save material and installing space.
Preferably, the first annular recess 3111 is connected with the second annular recess 321, and junction is the first annular recess 3111 Radial dimension minimum at and be also at the radial dimension minimum of the second annular recess 321, thus the first shaft part and the second shaft part Seamlessly transit in the axial direction, thus damping cushion effect is good, during by external force, the mild nothing of vibration damping transition of suspension cushion block 100 Sudden change, impacts little.
Further, in order to make the stress of suspension cushion block 100 evenly, reduce moulding complexity and manufacture difficulty further, Multiple buffer stoppers 312 are located on the diapire of the first annular recess 3111 along the circumferential uniform intervals in vibration damping portion 3.
Alternatively, buffer stopper 312 is projected as triangle, trapezoidal or semicircle on the diapire of the first annular recess 3111, Thus buffer stopper 312 can meet different moulding and use demand.
Preferably, the first connecting portion 1 is configured to cylinder, and the outer surface of buffer stopper 312 and the outer surface of the first connecting portion 1 are put down Together, it is to be understood that a part for the outer peripheral face of outer surface that is first shaft part of buffer stopper 312 here, first connects The outer surface in the portion 1 i.e. outer peripheral face of cylinder, both concordant i.e. projections in the axial plane being perpendicular to vibration damping portion 3 overlap. Thus while ensureing that damping cushion effect is good, the radial dimension of suspension cushion block 100 is little, and moulding is simple, processing and manufacturing is held Easily.
As shown in Figure 1-Figure 3, the second connecting portion 2 is configured to column, and the second connecting portion 2 includes being sequentially connected on axially First paragraph 21, second segment 22 and the 3rd section 23, first paragraph 21 is connected with vibration damping portion 3, the outer peripheral face of second segment 22 and One section 21 and the 3rd section of 23 end face toward each other limit the outer peripheral face and of clamp groove 24, i.e. second segment 22 jointly It is recessed that the end face towards first paragraph 21 towards the end face of the 3rd section 23 and the 3rd section 23 of a section 21 limits clamping jointly Groove 24, clamp groove 24 is suitable to be clamped in clamp groove 24 support member on vehicle body 200, thus by vehicle body 200 It is connected with suspension cushion block 100.
First paragraph 21, second segment 22 and the 3rd section 23 are coaxially disposed, and the area of the cross section of second segment 22 is less than first paragraph The area of the cross section of 21, and the area of the cross section that the area of the cross section of second segment 22 is less than the 3rd section 23, thus add Work is easy to manufacture, and can limit the clamp groove 24 for clamping vehicle body 200 more easily.
Advantageously, the outer peripheral face of first paragraph 21 and the outer peripheral face of the first connecting portion 1 are concordant, the thus radial direction of suspension cushion block 100 Size is little, saves material and easy for installation.
Preferably, the 3rd section 23 is configured to conical section, and the area of the cross section of conical section is from be connected with second segment 22 End is gradually reduced to the one end away from second segment 22, is thus easy to be clamped in clamp groove 24 vehicle body 200.Can manage Solving, vehicle body 200 is provided with installing hole, and the diameter of this installing hole is identical with the diameter of second segment 22, by the 3rd section 23 It is configured to conical section, by guiding function and the elastic reaction of the second connecting portion 2, the suspension cushion block of the outer peripheral face of conical section 100 can more firmly and more easily be installed on vehicle body 200.
In short, the suspension cushion block 100 of the radiator according to this utility model embodiment, vibration damping portion 3 is arranged to a rigidity Variable structure, thus realize the multistage detection of suspension cushion block 100, Optimization Vibration buffering effect, optimize the stress of radiator, In the service life of heat radiation device, improve the NVH performance of vehicle, simple in construction and easily fabricated simultaneously.By this suspension cushion block 100 are applied on vehicle, can meet the vibration damping demand of the different operating modes of vehicle.
In description of the present utility model, it is to be understood that term " interior ", " outward ", " axially ", " radially ", " circumferential " It is based on orientation shown in the drawings or position relationship in the orientation indicated or position relationship, is for only for ease of this practicality of description new Type and simplification describe rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation Structure and operation, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed Or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, example Such as two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral;Can Be mechanically connected, it is also possible to be electrical connection or each other can communication;Can be to be joined directly together, it is also possible to by between intermediary Connect connected, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction. For the ordinary skill in the art, concrete in this utility model of above-mentioned term can be understood as the case may be Implication.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score Can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, Fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature Or oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first Levy level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or Feature is contained at least one embodiment of the present utility model or example.In this manual, schematic to above-mentioned term Statement is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature Can be so that one or more embodiments in office or example to combine in an appropriate manner.Additionally, in the case of the most conflicting, Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example Levy and be combined and combine.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model Above-described embodiment be changed, revise, to replace and modification.

Claims (10)

1. the suspension cushion block of a radiator, it is characterised in that including:
First connecting portion, described first connecting portion is suitable to be connected with described radiator;
Second connecting portion, described second connecting portion is suitable to be connected with vehicle body;
Vibration damping portion, described vibration damping portion is connected between described first connecting portion and described second connecting portion, and described vibration damping portion includes Multiple transducer part that subtract, the plurality of subtracting at least includes different first the subtracting transducer part and second and subtract transducer part of rigidity in transducer part.
The suspension cushion block of radiator the most according to claim 1, it is characterised in that described vibration damping portion is column, and Described column includes that unequal first shaft part of the area of cross section and the second shaft part, described first shaft part constitute described first Subtracting transducer part, described second shaft part constitutes described second and subtracts transducer part.
The suspension cushion block of radiator the most according to claim 1, it is characterised in that described first subtracts the rigidity of transducer part Variable.
The suspension cushion block of radiator the most according to claim 3, it is characterised in that described first subtracts the minimum of transducer part Rigidity subtracts the rigidity of transducer part more than or equal to described second.
The suspension cushion block of radiator the most according to claim 3, it is characterised in that described vibration damping portion is column, and Described column includes the first shaft part and the second shaft part, on the Impact direction of described suspension cushion block, and the horizontal stroke of described first shaft part The area in cross section is gradually increased, and described first subtracts the area cross section more than described second shaft part of the minimum cross-section of transducer part Area, described first shaft part constitutes described first and subtracts transducer part, and described second shaft part constitutes described second and subtracts transducer part.
The suspension cushion block of radiator the most according to claim 5, it is characterised in that described first shaft part includes main part With multiple buffer stoppers, the outer peripheral face of described main part is provided with the first circumferentially extending annular recess along described vibration damping portion, institute State multiple buffer stopper along the circumferentially-spaced diapire being located at described first annular recess in described vibration damping portion.
The suspension cushion block of radiator the most according to claim 6, it is characterised in that described first connection part structure is post The flush with outer surface of body, the outer surface of described buffer stopper and described first connecting portion.
The suspension cushion block of radiator the most according to claim 6, it is characterised in that the plurality of buffer stopper subtracts described in edge The circumferential uniform intervals in portion of shaking is located on the diapire of described first annular recess.
The suspension cushion block of radiator the most according to claim 6, it is characterised in that on the outer peripheral face of described second shaft part It is formed with the second circumferentially extending annular recess along described vibration damping portion.
The suspension cushion block of radiator the most according to claim 1, it is characterised in that described second connection part structure is Column and include first paragraph, second segment and the 3rd section being sequentially connected, described first paragraph is connected with described vibration damping portion, and described The outer peripheral face of two-stage nitration and described first paragraph and described 3rd section of end face toward each other limit clamp groove jointly, and the described 3rd Section is configured to conical section, and the area of the cross section of described conical section from the one end being connected with described second segment to away from described the One end of two-stage nitration is gradually reduced.
CN201620318901.XU 2016-04-15 2016-04-15 The suspension cushion block of radiator Expired - Fee Related CN205715398U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620318901.XU CN205715398U (en) 2016-04-15 2016-04-15 The suspension cushion block of radiator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620318901.XU CN205715398U (en) 2016-04-15 2016-04-15 The suspension cushion block of radiator

Publications (1)

Publication Number Publication Date
CN205715398U true CN205715398U (en) 2016-11-23

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CN201620318901.XU Expired - Fee Related CN205715398U (en) 2016-04-15 2016-04-15 The suspension cushion block of radiator

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106926687A (en) * 2017-03-21 2017-07-07 柳州日高汽车减振技术有限责任公司 Vibration damping mat structure under a kind of new radiator
CN107061581A (en) * 2017-03-10 2017-08-18 安徽江淮汽车集团股份有限公司 A kind of radiator vibration damping cushion

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107061581A (en) * 2017-03-10 2017-08-18 安徽江淮汽车集团股份有限公司 A kind of radiator vibration damping cushion
CN106926687A (en) * 2017-03-21 2017-07-07 柳州日高汽车减振技术有限责任公司 Vibration damping mat structure under a kind of new radiator

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Mounting block for radiator

Effective date of registration: 20211213

Granted publication date: 20161123

Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd.

Pledgor: Borgward Automotive (China) Co., Ltd.

Registration number: Y2021990001167

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161123

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20231201

Granted publication date: 20161123

Pledgee: BEIJING AUTOMOTIVE GROUP Co.,Ltd.

Pledgor: Beijing baowo Automobile Co.,Ltd.|Borgward Automotive (China) Co., Ltd.

Registration number: Y2021990001167