CN207679819U - Seal limiting device, wind turbine noise abatement box and lung ventilator - Google Patents

Abstract

A kind of sealing limiting device, wind turbine noise abatement box and lung ventilator, sealing limiting device includes sealing ring and limiting buffer part.The sealing ring has inner edge and outer rim.The limiting buffer part extends from the outer rim of the sealing ring to the inner edge direction far from the sealing ring, is convexly equipped in the sealing ring outer rim to limit sealing ring rotation, and there is the limiting buffer part outer end to buffer edge.After the wind turbine noise abatement box of lung ventilator uses sealing limiting device provided by the utility model, a series of problems, such as capable of solving the problems, such as to seal simultaneously and connect limit, and then cost increase, stability is avoided to reduce.

Description

Seal limiting device, wind turbine noise abatement box and lung ventilator

Technical field

The utility model is related to respiratory therapy fields, and dress is limited more particularly to a kind of sealing for lung ventilator It sets, the wind turbine noise abatement box with the sealing limiting device and the lung ventilator with the wind turbine noise abatement box.

Background technology

Lung ventilator is a kind of normal physiologic respiration that can replace, control or change people, increases pulmonary ventilation volume, improves work of breathing Can, mitigate respiratory function consumption, saves the device of heart reservation ability.Sleep-respiratory machine is by given pressure, constantly Air is provided for patient, with this come the problem of improving patient sleeps.Sleep-respiratory machine (or being noninvasive ventilator) is mainly used for Treat sleep apnea syndrome, that is, severe snoring and with symptom of feeling suffocated, and it can also treat sleep and exhale The complication of pause syndrome is inhaled, blood oxygen concentration when user's nighttime sleep, treatment hypoxemia etc. are improved.

Lung ventilator generally use wind turbine come manufacture compressed air so that by for the air delivery of breathing to user.Due to During manufacturing compressed air, the high speed rotation of fan blade will produce significant shock noise and aerodynamic noise, this A little noises propagate the sleep quality that can seriously affect user by wind turbine outward.It makes an uproar in order to effectively reduce lung ventilator wind turbine Sound ensures that user's sleep quality, existing lung ventilator are provided with wind turbine noise abatement box mostly.

Currently, the sealing between two box bodys of wind turbine noise abatement box of lung ventilator mostly uses greatly the following two kinds form：When One independent sealing ring is set between two box bodys, is pressed with the structure on two box bodys to realize；Second is that by wherein It is realized using the pressing of latter two box body of encapsulated technique on one box body.In addition, between wind turbine noise abatement box and host shell Connection limit is general, and also there are two types of forms, first, wind turbine noise abatement box is directly fixed on host shell by fasteners such as screws In, it is limited with host shell second is that forming buffer structure using encapsulated technique on one of wind turbine noise abatement box and/or two box bodys Position is separately provided a buffer unit wind turbine noise abatement box is limited in host shell.

An independent sealing ring is arranged if it is use in sealing between two box bodys of wind turbine noise abatement box of lung ventilator, by In sealing ring it is profile-followed and makes, shape is irregular, can be very cumbersome in the installation process of product batch production, seriously affects life Production progress and consistency.It is encapsulated although installation can be solved the problems, such as if it is the form using encapsulated technique The yield rates such as process mould is of high cost, complex process, starved overflow edge are low, encapsulated bring new problem again with master batch compatibility etc. And risk.

And the connection limit between wind turbine noise abatement box and host shell, be the equal of rigidity if directly fastened with screw It connects, the vibrations in fan operation are directly just transferred on host shell by noise abatement box, and complete machine is caused to generate vibrations therewith.Such as Fruit makes wind turbine noise abatement box be flexible coupling with host shell realization by encapsulated or buffer structure, is brought although rigid connection can be solved Vibration problems, but carried out associated description above encapsulated the process bands risk and problem come, it is not tired herein to state.And it is independent Buffer structure is set other than increasing cost, the increase for the invisible cost that installation, process etc. are brought and the risk of its stability All it is new problem.

Therefore, it is necessary to provide a kind of sealing limiting device of the wind turbine noise abatement box for lung ventilator, there is sealing limit The wind turbine noise abatement box of position device and the lung ventilator with the wind turbine noise abatement box, to solve the above problems at least partly.

Utility model content

In order to solve the above problems at least partly, the utility model provides a kind of sealing limit for wind turbine noise abatement box Device, the sealing limiting device includes sealing ring and limiting buffer part.The sealing ring has inner edge and outer rim.The limit Bolster extends from the outer rim of the sealing ring to the inner edge direction far from the sealing ring, is convexly equipped in outside the sealing ring Edge is to limit sealing ring rotation, and there is the limiting buffer part outer end to buffer edge.

Preferably, the limiting buffer part includes connector and bolster, outer rim of the connector from the sealing ring Extend to the inner edge direction far from the sealing ring, there is outer end face；Outer end face of the bolster from the connector Extend to the direction far from the connector, the outer end buffering edge is arranged on the bolster, and the outer end is slow The outer end face for rushing edge and the connector is oppositely arranged.

Preferably, also there is the connector side end face, the bolster also to have interior ora terminalis and side edge, slow in limit In the width direction of stamping, the side edge of the bolster protrudes from the side end face setting of the connector in the bolster Interior ora terminalis and the outer rim of the sealing ring between form clamping groove.

Preferably, there are multiple buffering teeth on the outer end buffering edge.

Preferably, the thickness of the bolster is more than the thickness of the connector.

Preferably, there is the bolster upper surface, the connector to have upper surface, in a thickness direction, described slow The upper surface of stamping is arranged higher than the upper surface of the connector；The bolster has lower face, under the connector has End face, in a thickness direction, the lower face of the bolster are arranged less than the lower face of the connector.

Preferably, the number of the connector and the number of the bolster are all at least two, and the bolster with The connector corresponds；The sealing ring, the connector and the bolster are integrally formed.

Another aspect according to the present utility model, also provides a kind of wind turbine noise abatement box, and the wind turbine noise abatement box includes upper box Body component, lower box body component and limiting device is sealed as described above, the upper cartridge body component is opposite with the lower box body component Conjunction forms box body, and sealing area, the sealing limiting device are formed between the upper cartridge body component and the lower box body component It is limited in the sealing area, is set corresponding to the sealing area on the upper cartridge body component and/or the lower box body component It is equipped with link slot, the limiting buffer part of the sealing limiting device matches limitation sealing ring rotation with the link slot.

Preferably, the bolster of the limiting buffer part is located on the outside of the border of the box body.

It is according to the present utility model in another aspect, also provide a kind of lung ventilator, the lung ventilator includes main case and as above The wind turbine noise abatement box, the wind turbine noise abatement box are arranged in the main case, and the main case has inner wall, the limit The outer end buffering edge of bolster is in contact with the inner wall of the main case.

Sealing limiting device provided by the utility model, due to sealing ring and limiting buffer part.Sealing ring is used for close Two box bodys for sealing wind turbine noise abatement box, by the isolation of wind turbine and noise abatement box.On the one hand limiting buffer part subtracts as with wind turbine Make an uproar box box body installation when positioning；On the other hand it is used for buffering and absorbing part vibrations；Another further aspect is used for and main case Limit, prevents wind turbine noise abatement box from being shaken in main case.As it can be seen that sealing limiting device provided by the utility model can solve simultaneously Connection between sealing and wind turbine noise abatement box and main case between two box bodys of wind turbine noise abatement box limits problem.Without in order to Sealing is separately provided sealing ring or uses encapsulated technique, screw fastener is separately provided or using packet without in order to connect limit A buffer unit is separately provided in adhesive process, increases so as to avoid the cost thus brought, and stability reduction etc. is a series of Problem.

A series of concept of reduced forms is introduced in utility model content, this will in the detailed description section into One step is described in detail.The utility model content part is not meant to attempt to limit the pass of technical solution claimed Key feature and essential features do not mean that the protection domain for attempting to determine technical solution claimed more.

Below in conjunction with attached drawing, the advantages of the utility model is described in detail and feature.

Description of the drawings

The following drawings of the utility model is used to understand the utility model in this as the part of the utility model.Attached drawing In show the embodiment and its description of the utility model, for explaining the principles of the present invention.In the accompanying drawings,

Fig. 1 be according to the exploded view of the lung ventilator of the utility model one embodiment (illustrate only in figure main case and Wind turbine noise abatement box)；

Fig. 2 is the stereogram of the lower box body component of the wind turbine noise abatement box in Fig. 1；

Fig. 3 is the stereogram according to the sealing limiting device of the utility model one embodiment；

Fig. 4 is the portions the I enlarged drawing in Fig. 3；

Fig. 5 is the structural schematic diagram after the sealing limiting device installation positioning in Fig. 3；

Fig. 6 is the structural schematic diagram after the wind turbine noise abatement box installation positioning by the utility model one embodiment.

Wherein, reference numeral is

10-wind turbine noise abatement boxes

110-box bodys

112-upper cartridge body components

1122-flange connectors

1124-link slots

114-lower box body components

1141-storage tanks

1142-flange connectors

1144-link slots

200-sealing limiting devices

220-sealing rings

222-inner edges

224-outer rims

240-connectors

241-upper surfaces

242-side end faces

243-lower faces

244-outer end faces

260-bolsters

261-upper surfaces

262-inner faces

263-lower faces

264-outer ends buffer edge

2641-buffering teeth

266-side edge

280-clamping grooves

20-main cases

21-inner walls

Specific implementation mode

In the following description, a large amount of details is provided so as to thoroughly understand the utility model.However, ability Field technique personnel will be seen that, exemplarily only show the preferred embodiment of the utility model, the utility model described below It may not need details as one or more and be carried out.In addition, in order to avoid obscuring with the utility model, for Some technical characteristics well known in the art are not described in detail.

One side according to the present utility model provides a kind of lung ventilator.Fig. 1-6 shows lung ventilator from all angles The all parts or part that entirety and lung ventilator are included, such as wind turbine noise abatement box and main case.In order to understand these components Or position and role of the part in lung ventilator, globality description is carried out to lung ventilator first, so as to thoroughly geographical Solve the utility model.

As shown in Fig. 1, Fig. 6, lung ventilator includes wind turbine noise abatement box 10 and main case 20, and fan noise 10 is used for reducing breathing The noise of the wind turbine of machine.Wind turbine noise abatement box 10 is arranged in main case 20, has the wind of accommodating lung ventilator in wind turbine noise abatement box 10 The accommodating space of machine belongs to the prior art due to housing the accommodating space of wind turbine of lung ventilator, does not just repeat it herein more. Main case 20 has inner wall 21, and main case 20 can be rectangular.In unshowned embodiment, main case 20 can also be other Shape, as long as wind turbine noise abatement box 10 can be placed in main case 20.

Below in conjunction with attached drawing detailed description wind turbine noise abatement box 10.

As shown in Figure 1 and Figure 5, wind turbine noise abatement box 10 includes upper cartridge body component 112, lower box body component 114 and sealing limit Device 200, upper cartridge body component 112 are involutory to be formed for housing the box body 110 of wind turbine in the inner with lower box body component 114, on Sealing area is formed between box component 112 and lower box body component 114, sealing limiting device 200 is set in sealing area And the bolster 260 (bolster 260 will describe below) for sealing limiting device 200 is located at outside the border of box body 110 Side.As shown in Fig. 2, for convenience with the sealing cooperation of limiting device 200 to meet hermetic seal and positioning requirements, it can be in lower box body group Storage tank 1141 is set on the surface of part 114 being in contact with upper cartridge body component 112, and storage tank 1141 is mainly used for housing hereinafter The sealing ring 220 of the sealing limiting device 200.Sealing area corresponds to storage tank 1141 and is arranged, right on lower box body component 114 Should sealing area be provided with flange connector 1142 and link slot 1144, link slot 1144 is connected with storage tank 1141.It is preferred that Ground, can also be arranged storage tank on the surface of upper cartridge body component 112 being in contact with lower box body component 114, and sealing area corresponds to The storage tank is arranged, and sealing area setting flange connector 1122 and link slot 1124 are corresponded on upper cartridge body component 112.It is preferred that Ground, can be in setting storage tank 1141, sealing area pair on the surface of lower box body component 114 being in contact with upper cartridge body component 112 It answers storage tank 1141 to be arranged, sealing area setting flange connector 1142 and link slot 1144 is corresponded on lower box body component 114；Together When, in storage tank is arranged on the surface of upper cartridge body component 112 being in contact with lower box body component 114, sealing area corresponds to the appearance Slot setting is set, sealing area setting flange connector 1122 and link slot 1124 are corresponded on upper cartridge body component 112.

In conjunction with refering to Fig. 3 and Fig. 4, sealing limiting device 200 includes sealing ring 220, connector 240 and bolster 260. Sealing ring 220 is used for sealing upper cartridge body component 112 and lower box body component 114 and is involutory the box body 110 to be formed, by wind turbine and wind turbine The isolation of noise abatement box 10.Sealing ring 220 has inner edge 222 and outer rim 224.Connector 240 and the whole conduct of bolster 260 Limiting buffer part has the function of limiting and buffer.Specifically, connector 240 is as positioning when being installed with box body 110 Part, connector 240 extend from the outer rim 224 of sealing ring 220 to 222 direction of inner edge far from sealing ring 220, have outer end Face 244 and side end face 242.Bolster 260 extend from the outer end face 244 of connector 240 to the direction far from connector 240 and Go out, there is interior ora terminalis 262, outer end buffering edge 264 and side edge 266.Outer end buffering edge 264 and the connector 240 of bolster 260 Outer end face 244 be oppositely arranged, and, in the direction of the width, the side edge 266 of bolster 260 protrudes from the side of connector 240 The setting of face 242 between the interior ora terminalis 262 of bolster 260 and the outer rim 224 of sealing ring 220 to form clamping groove 280.

It in conjunction with refering to Fig. 5, seals and is located by connecting to achieve the purpose that, sealing limiting device 200 is set to sealing When in region, the sealing ring 220 of sealing limiting device 200 is limited in storage tank 1141, and connector 240 is arranged in link slot In 1144, the 1142 phase clip of flange connector of clamping groove 280 and part, and bolster 260 is located on the outside of the border of box body 110. Corresponding to the structure that storage tank is arranged on the surface of upper cartridge body component 112 being in contact with lower box body component 114, sealing is limited When device 200 is set in sealing area, the sealing ring 220 of sealing limiting device 200 is set to the accommodating of upper cartridge body component 112 In slot, connector 240 is arranged in link slot 1124, the 1122 phase clip of flange connector of clamping groove 280 and part, and bolster 260 are located on the outside of the border of box body 110.Corresponding to being set on the surface of lower box body component 114 being in contact with upper cartridge body component 112 Storage tank is set, and, the structure of storage tank is also provided on the surface of box component 112 being in contact with lower box body component 114, it will be close When envelope limiting device 200 is set in sealing area, a part (such as lower half of the sealing ring 220 of limiting device 200 is sealed Point) be set in storage tank 1141, a part of (such as top half) is set in the storage tank of upper cartridge body component 112；Connector 240 part (such as lower half portion) is arranged in link slot 1144, and a part of (such as top half) is arranged in link slot 1124 It is interior；The 1122 phase clip of flange connector of clamping groove 280 and part, meanwhile, the 1142 phase clip of flange connector with part；And it buffers Part 260 is located on the outside of the border of box body 110.

In order to have preferable buffering effect, as shown in figure 4, having on the outer end buffering edge 264 of bolster 260 multiple slow Tooth 2641 is rushed, the section shape of buffering tooth 2641 is not limited to shape shown in Fig. 4, can also be triangle, semicircle, Half elliptic etc..As shown in figures 1 to 6, when wind turbine noise abatement box 10 is placed in main case 20, the outer end of bolster 260 is slow Edge 264 is rushed to be in contact with the inner wall 21 of main case 20.In the case that buffering edge 264 has buffering tooth 2641 in outer end, work as generation When shaking or falling, buffering tooth 2641 is compressed first to buffer and absorb a part of vibrations.When beyond buffering tooth 2641 When limit of power, the main body of bolster 260 is in contact with the inner wall 21 of main case 20, and further buffering and absorption vibrations, prevent There is larger offset in wind turbine noise abatement box, achievees the purpose that limit.For on the outer end buffering edge 264 of unshowned bolster 260 Embodiment without buffering tooth, can equally buffer and absorb vibrations, prevent wind turbine noise abatement box from larger offset occur, reach limit The purpose of position will only be inferior to the embodiment with buffering tooth 2641 in effect.

In order to increase the buffering effect of bolster 260, the thickness of bolster 260 is preferably thicker than the thickness of connector 240.Show In a thickness direction, delay as shown in figure 4, there is bolster 260 upper surface 261, connector 240 to have upper surface 241 on example ground The upper surface 261 of stamping 260 is arranged higher than the upper surface 241 of connector 240.Bolster 260 has lower face 263, connector 240 there is lower face 243 in a thickness direction, can also be adopted to make the thickness of bolster 260 be thicker than the thickness of connector 240 It is less than the set-up mode of the lower face 243 of connector 240 with the lower face 263 of bolster 260.It is, of course, also possible to be as divided into Set mode：The upper surface 261 of bolster 260 is arranged higher than the upper surface 241 of connector 240, meanwhile, the lower end of bolster 260 Face 263 is arranged less than the lower face 243 of connector 240.

Preferably, the number and bolster 260 of the connector 240 on the border of the sealing ring 220 of sealing limiting device 200 Number be all at least two, and bolster 260 and connector 240 correspond.As shown in figure 3, the number of connector 240 and The number of bolster 260 is all five.

In order to facilitate being molded and installing, sealing ring 220, connector 240 and bolster 260 are integrally formed, that is, entire close Envelope limiting device 200 is integrated.The sealing limiting device 200 of one can be used silica gel material and be made, it is also possible to flexible glue or class It is replaced like material.It is using the advantage of the structure：At low cost, processing is simple, easy for installation.

It should be noted that the directional terminology related with sealing limiting device 200 involved by this paper, such as "high", " low ", "up" and "down" etc. are for sealing limiting device is in first direction shown in Fig. 2.Such as Fig. 3 institutes Show, which namely seals side residing when limiting device installs supreme box component 112 on lower box body component 114 To sealing limiting device direction residing under normal operating condition.

In unshowned embodiment, limiting buffer part is not limited to include connector 240 and bolster 260, as long as Limiting buffer part is convexly equipped in 220 outer rim of sealing ring and can limit the rotation of sealing ring 220 when coordinating with link slot 1144 and can play Cushioning effect.

Sealing limiting device provided by the utility model is due to sealing ring and limiting buffer part.Sealing ring is used for sealing Two box bodys of wind turbine noise abatement box, by the isolation of wind turbine and noise abatement box.Limiting buffer part on the one hand as with wind turbine noise abatement Positioning when the box body installation of box；On the other hand it is used for buffering and absorbing part vibrations；Another further aspect is used for limiting with main case Position, prevents wind turbine noise abatement box from being shaken in main case.As it can be seen that sealing limiting device provided by the utility model can solve wind simultaneously Connection between sealing and wind turbine noise abatement box and main case between two box bodys of machine noise abatement box limits problem.Without in order to close Envelope is separately provided sealing ring or uses encapsulated technique, screw fastener is separately provided or using encapsulated without in order to connect limit A buffer unit is separately provided in technique, increases so as to avoid the cost thus brought, and stability reduction etc. is a series of to ask Topic.Seal limiting device can not only one it is multi-purpose, and the product stability of lung ventilator can be improved.

The utility model is illustrated by above-described embodiment, but it is to be understood that, above-described embodiment is Purpose for illustrating and illustrating, and be not intended to limit the invention within the scope of described embodiment.In addition ability Field technique personnel are it is understood that the utility model is not limited to above-described embodiment, and introduction according to the present utility model is also More kinds of variants and modifications can be made, these variants and modifications all fall within the utility model range claimed with It is interior.The scope of protection of the utility model is defined by the appended claims and its equivalent scope.

Claims (10)

1. a kind of sealing limiting device for wind turbine noise abatement box, which is characterized in that the sealing limiting device includes：

Sealing ring, the sealing ring have inner edge and outer rim；And

Limiting buffer part, the limiting buffer part extend from the outer rim of the sealing ring to the inner edge direction far from the sealing ring And go out, the sealing ring outer rim is convexly equipped in limit sealing ring rotation, and there is the limiting buffer part outer end to buffer edge.

2. sealing limiting device as described in claim 1, which is characterized in that the limiting buffer part includes：

Connector, the connector extend to the inner edge direction far from the sealing ring from the outer rim of the sealing ring, have There is outer end face；And

Bolster, direction of the bolster from the outer end of the connector away from the connector is extended, described Outer end buffers edge and is arranged on the bolster, and the outer end face of the outer end buffering edge and the connector is oppositely arranged.

3. sealing limiting device as claimed in claim 2, which is characterized in that the connector also has side end face, described slow Stamping also has interior ora terminalis and side edge, and in the width direction of limiting buffer part, the side edge of the bolster protrudes from institute The side end face for stating connector is arranged to form clamping groove between the interior ora terminalis and the outer rim of the sealing ring of the bolster.

4. sealing limiting device as described in claim 1, which is characterized in that there are multiple bufferings on the outer end buffering edge Tooth.

5. sealing limiting device as claimed in claim 2, which is characterized in that the thickness of the bolster is more than the connector Thickness.

6. sealing limiting device according to claim 5, which is characterized in that the bolster has upper surface, the company Fitting has upper surface, and in a thickness direction, the upper surface of the bolster is arranged higher than the upper surface of the connector；Or institute Stating bolster, there is lower face, the connector to have lower face, and in a thickness direction, the lower face of the bolster is less than institute State the lower face setting of connector.

7. sealing limiting device according to claim 2, which is characterized in that the number of the connector and the bolster Number be all at least two, and the bolster and the connector correspond；The sealing ring, the connector and institute State bolster integrated molding.

8. a kind of wind turbine noise abatement box, which is characterized in that the wind turbine noise abatement box includes upper cartridge body component, lower box body component and such as weighs Profit requires the sealing limiting device described in any one of 1-7, the upper cartridge body component to be involutory to be formed with the lower box body component Box body, is formed with sealing area between the upper cartridge body component and the lower box body component, the sealing limiting device is limited in In the sealing area, the sealing area is provided with company on the upper cartridge body component and/or the lower box body component The limiting buffer part of access slot, the sealing limiting device matches limitation sealing ring rotation with the link slot.

9. wind turbine noise abatement box according to claim 8, which is characterized in that the bolster of the limiting buffer part is located at described On the outside of the border of box body.

10. a kind of lung ventilator, which is characterized in that the lung ventilator includes main case and as described in any one of claim 8-9 Wind turbine noise abatement box, the wind turbine noise abatement box is arranged in the main case, and the main case has inner wall, the limiting buffer The outer end buffering edge of part is in contact with the inner wall of the main case.