CN207842554U - A kind of Inflatable rotary mechanism - Google Patents
A kind of Inflatable rotary mechanism Download PDFInfo
- Publication number
- CN207842554U CN207842554U CN201820240444.6U CN201820240444U CN207842554U CN 207842554 U CN207842554 U CN 207842554U CN 201820240444 U CN201820240444 U CN 201820240444U CN 207842554 U CN207842554 U CN 207842554U
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- China
- Prior art keywords
- sealing
- fixing device
- seal
- tracheae
- rotary
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Abstract
The utility model is related to a kind of Inflatable rotary mechanisms, including the first fixing device being fixed on wheel hub, the second fixing device being fixed on vehicle sedan-chair, the air outlet adapter and tracheae being fixed in the first fixing device, one end of the tracheae is connected by the first rotary sealing appts and the first fixing device rotary seal, and it is connected to the air inlet of air outlet adapter, the other end of the tracheae is connected by the second rotary sealing appts and the second fixing device rotary seal, and it is connected with inflation source, the tracheae and the concentric setting of wheel hub, to solve the problems, such as that existing Inflatable rotary mechanism rotatory sealing performance is bad.
Description
Technical field
The utility model is related to automobile tire automatic charge and discharge gas mechanism fields, are specifically related to a kind of Inflatable rotary mechanism.
Background technology
Some automobiles on the market have central tire inflation system at present, with by control the air pressure in each tire come
Improve driving performance of the automobile on different road surfaces.Due to needing to be inflated in vehicle traveling process, it is therefore desirable to pass through
One Inflatable rotary mechanism connects pneumatic supply and tire, but the rotatory sealing performance of existing Inflatable rotary mechanism is bad, deposits
When in use the case where gas leakage.
Utility model content
The utility model is intended to provide a kind of Inflatable rotary mechanism, to solve the rotatory sealing of existing Inflatable rotary mechanism
The bad problem of energy.
Concrete scheme is as follows：
A kind of Inflatable rotary mechanism, including be fixed on wheel hub the first fixing device, be fixed on vehicle sedan-chair it is second solid
One end of the air outlet adapter and tracheae determined device, be fixed in the first fixing device, the tracheae is filled by the first rotatory sealing
It sets and is connected with the first fixing device rotary seal, and be connected to the air inlet of air outlet adapter, the other end of the tracheae passes through
Two rotary sealing appts and the second fixing device rotary seal connection, and be connected with inflation source, the tracheae and wheel hub are coaxial
The heart is arranged.
Further, first rotary sealing appts include a first seal, and one end of the first seal is located at
It is tightly connected in the air inlet of air outlet adapter and with air outlet adapter, the through-hole passed through with air supply pipe in first seal is described
Tracheae passes through one end of through-hole that there is the flange opened outward, the position of first seal corresponding flange to have a groove, this is recessed
There is the first sealing ring in slot.
Further, also there is the second sealing ring between the top surface of the first seal and the contact surface of air outlet adapter.
Further, first fixing device includes end cap and fastener, the outer rim of the end cap and fastener it is outer
Edge forms a closed cavity when being bonded, and the air outlet adapter is fixedly mounted on end cap, and the air inlet of air outlet adapter is located at
In the closed cavity, the first seal, which is located on one end outside air outlet adapter air inlet, has external screw thread, the fastener
Middle part have and the matched screw hole of external screw thread.
Further, also there is a horn-like third sealing element, the third sealing element between the end cap and fastener
Horn mouth towards and fastener.
Further, the third sealing element is silicone-rubber seals.
Further, second rotary sealing appts include second seal, one end of the second seal and
Two fixing devices are threadedly coupled, and second seal and the second fixing device all have third sealing ring on the end of its contact,
One of third sealing ring is connected with tracheae rotary seal.
Inflatable rotary mechanism provided by the utility model has the following advantages compared with prior art：The utility model carries
The Inflatable rotary mechanism of confession realizes tracheae and wheel hub and pneumatic supply by the first rotary sealing appts and the second rotary sealing appts
Between rotatory sealing connection, sealing effect is good, and when use is not easy gas leakage.
Description of the drawings
Fig. 1 shows the stereogram of Inflatable rotary mechanism.
Fig. 2 shows the sectional views of Inflatable rotary mechanism.
Fig. 3 shows the enlarged drawing at A in Fig. 2.
Fig. 4 shows the enlarged drawing at B in Fig. 2.
Specific implementation mode
To further illustrate that each embodiment, the utility model are provided with attached drawing.These attached drawings are in the utility model discloses
A part for appearance mainly to illustrate embodiment, and can coordinate the associated description of specification to explain that the running of embodiment is former
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, the utility model provides a kind of Inflatable rotary mechanism, including be fixed on wheel hub
One fixing device 1, the second fixing device 2 being fixed on vehicle sedan-chair, the air outlet adapter 3 and tracheae being fixed in the first fixing device
4, one end of tracheae 4 is connected by the first rotary sealing appts 5 with 1 rotary seal of the first fixing device, and with air outlet adapter 3
Air inlet is connected to, and the other end of the tracheae 4 is connected by the second rotary sealing appts 6 with 2 rotary seal of the second fixing device,
And be connected with inflation source, tracheae 4 and the concentric setting of wheel hub, in vehicle traveling process, tracheae 4 and tire rotate synchronously,
First rotary sealing appts and the second sealing device 6 ensure that tracheae 4 remains able to and the first fixing device 1 and second in rotation
Fixing device 2 keeps sealing, makes it will not gas leakage.
With reference to figure 1- Fig. 3, in the present embodiment, the first rotary sealing appts 5 are a first seal 5a, the first seal
One end be located in the air inlet of air outlet adapter 3 and be tightly connected with air outlet adapter, in first seal there is air supply pipe 4 to pass through
Through-hole 50, the internal diameter of through-hole 50 is more bigger than the outer diameter of tracheae 4, the tracheae 4 pass through through-hole 50 one end have opens outward
Flange 40, form similar horn mouth and rotate, the positions of first seal 5a corresponding flanges has a groove 52, tool in the groove
There are the first sealing ring 70,70 gentle pipe of the first sealing ring to form rotary seal connection, the cooperation of the flange 40 and groove 52 of tracheae
Then prevent the abjection out of groove 52 of the first sealing ring 70.
With reference to figure 3, also there is the second sealing ring between the top surface and the contact surface of air outlet adapter 3 of the first seal 5a
72, the second sealing ring 72 covers the top surface of the flange 40 of tracheae and first seal 5a, further ensures first seal
Sealing performance between 5a and air outlet adapter 3.
With reference to figure 2, first fixing device 1 includes end cap 10 and fastener 12, the outer rim of the end cap 10 and fastening
A closed cavity 100 is formed when the outer rim fitting of part 12, the air outlet adapter 3 is fixedly mounted on end cap, and air outlet adapter
Air inlet be located in the closed cavity 100, have on one end that the first seal 5a is located at outside air outlet adapter air inlet
The middle part of external screw thread, the fastener 12 has and the matched screw hole of external screw thread, i.e. fastener 12 is to be screwed onto first seal
On 5a.Further, also there is a horn-like third sealing element 14, the third between the end cap 10 and fastener 12
Preferably silicone-rubber seals are made by silica gel in horn mouth direction and the fastener 12 of sealing element 14, wherein third sealing element 14, with
Ensure the leakproofness for the closed cavity 100 that end cap 10 and fastener 12 are formed, namely ensure that first seal 5a and outlet connect
Sealing performance between first 4.
With reference to figure 2 and Fig. 4, in one embodiment, second rotary sealing appts 6 are a second seal 6a, described
One end of second seal 6a and the second fixing device 2 are threadedly coupled, and second seal 6a and the second fixing device 2 are in its contact
End on all there is third sealing ring 74, one of third sealing ring connects with 4 rotary seal of tracheae.Double third sealing rings
The 74 further sealing performances that ensure that between tracheae and the second fixing device 2.Tracheae 4 passes through the second fixing device 2 and the
Two sealing element 6a are connected with a hose 8 on the other end of second seal 6a, and hose 8 is connected to inner gas pressure, hose 8 and
Two sealing element 6a form a seal chamber, and the end that tracheae 4 is pierced by second seal 6a is then located in the seal chamber.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art answers
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (7)
1. a kind of Inflatable rotary mechanism, it is characterised in that：Including be fixed on wheel hub the first fixing device, be fixed on vehicle sedan-chair
The second fixing device, the air outlet adapter and tracheae that are fixed in the first fixing device, one end of the tracheae passes through the first rotation
Turn sealing device and the first fixing device rotary seal connection, and be connected to the air inlet of air outlet adapter, the tracheae it is another
End is connected by the second rotary sealing appts and the second fixing device rotary seal, and is connected with inflation source, the tracheae and
The concentric setting of wheel hub.
2. Inflatable rotary mechanism according to claim 1, it is characterised in that：First rotary sealing appts include one the
One end of one sealing element, the first seal is located in the air inlet of air outlet adapter and is tightly connected with air outlet adapter, and first is close
The through-hole passed through with air supply pipe on sealing, the tracheae pass through one end of through-hole to have the flange opened outward, the first sealing
The position of part corresponding flange has a groove, has the first sealing ring in the groove.
3. Inflatable rotary mechanism according to claim 2, it is characterised in that：The top surface of the first seal and outlet connect
Also there is the second sealing ring between the contact surface of head.
4. Inflatable rotary mechanism according to claim 2, it is characterised in that：First fixing device includes end cap and tight
Firmware, the outer rim of the end cap and the outer rim of fastener form a closed cavity when being bonded, and air outlet adapter is fixedly mounted on end cap
On, and the air inlet of air outlet adapter is located in the closed cavity, and the first seal is located at outside air outlet adapter air inlet
There is external screw thread, the middle part of the fastener has and the matched screw hole of external screw thread on one end.
5. Inflatable rotary mechanism according to claim 4, it is characterised in that：Also have one between the end cap and fastener
Horn-like third sealing element, the horn mouth direction and fastener of the third sealing element.
6. Inflatable rotary mechanism according to claim 5, it is characterised in that：The third sealing element is silicone-rubber seals.
7. Inflatable rotary mechanism according to claim 1, it is characterised in that：Second rotary sealing appts include one the
Two sealing elements, one end of the second seal and the second fixing device are threadedly coupled, second seal and the second fixing device
All there is third sealing ring, one of third sealing ring to be connected with tracheae rotary seal on the end of its contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240444.6U CN207842554U (en) | 2018-02-09 | 2018-02-09 | A kind of Inflatable rotary mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820240444.6U CN207842554U (en) | 2018-02-09 | 2018-02-09 | A kind of Inflatable rotary mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207842554U true CN207842554U (en) | 2018-09-11 |
Family
ID=63409511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820240444.6U Expired - Fee Related CN207842554U (en) | 2018-02-09 | 2018-02-09 | A kind of Inflatable rotary mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207842554U (en) |
-
2018
- 2018-02-09 CN CN201820240444.6U patent/CN207842554U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 Termination date: 20190209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |