CN203548685U - Internal fine groove air intake stay wire type air damper - Google Patents
Internal fine groove air intake stay wire type air damper Download PDFInfo
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- CN203548685U CN203548685U CN201320497248.4U CN201320497248U CN203548685U CN 203548685 U CN203548685 U CN 203548685U CN 201320497248 U CN201320497248 U CN 201320497248U CN 203548685 U CN203548685 U CN 203548685U
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- piston
- damper
- air inlet
- air
- tongue piece
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Abstract
An internal fine groove air intake stay wire type air damper is an air damper which enables an automobile glove box to be opened at a uniform speed. The air damper comprises a cylinder, a cylinder cover, a stay wire, a piston, an O-shaped ring, a spring and the like, wherein the O-shaped ring which is arranged on an internal piston of the cylinder of the damper, is provided with a tongue piece having a valve function in the middle, forms a damping system for internal air inlet and outlet together with an exhaust hole and an air inlet groove in the piston. During air inlet, the tongue piece valve is closed, air enters the damper through the air inlet groove to have a damping effect, and the glove box is opened at the uniform speed. When the glove box is closed, the tongue piece valve of the O-shaped ring in the damper is opened, and air is quickly discharged through the exhaust hole.
Description
Technical field
The utility model patent relates to a kind of air damper that prevents that box cover from opening fast, is particularly useful for automobile glove box, prevents from the quick unlatching that causes due to deadweight when glove box cover plate is opened from it at the uniform velocity being opened.
Background technique
At present, the air damper of equipment glove box is conventionally by being installed on the middle piston with small inlet hole of inner barrel, the O shape circle of cylinder lumen sealing use, is installed on cylindrical shell outer bottom forms the outside exhaust of inner air inlet with the exhaust port of bottom damped system as the rubber gasket of valve.The damper constituent part of this kind of structure is more, causes cost high, and the difficult processing of the forming die of small air inlet hole, is prone to shaping burr, causes the variation of air inlet pore size, causes the variation of damping force.
Model utility content
in order to reduce expensive that air damper part causes more, overcome the damping force that little gas inlet hole causes bad.The utility model provides a kind of boom guy type air damper of slot type air inlet, it is a part with O shape circle that this air damper not only merges rubber seal chip valve, constituent part is reduced to 6 from the past 8, thereby reduce costs, and adopt slot type air inlet, can effectively reduce the Mould Machining difficulty at air inlet position, reduce cob webbing, improve the sensitivity of damper, sealing, damping retentivity.
The utility model solves the technological scheme that its technical problem adopts: a kind of air damper, comprises cylindrical shell, cover, bracing wire, piston, O shape circle, spring.Cylinder body bottom is airtight, and exhaust port is not set; The zone line of piston is provided with the exhaust port that runs through upper and lower surface, and the upper surface of piston is provided with air inlet duct radially, and air inlet duct is communicated with exhaust port; The O shape circle that valve function is played with tongue piece in centre is arranged on the piston of inner barrel, the outer circumferential face of O shape circle is with the internal face sealing of cylindrical shell, after the middle tongue piece of O shape circle is installed by the tongue piece groove on piston, tongue piece is covered on the exhaust port of piston, when middle tongue piece is realized when closed from the air inlet duct air inlet of piston or opens from the valve function of the exhaust port exhaust of piston, thereby O shape circle forms the damped system of inner air inlet exhaust gas inside with piston; Returnning spring is installed on one end, outside of the piston in cylindrical shell, is compressed between piston and cover.Piston is provided with hook hole, and bracing wire pulls piston to move up and down by snapping in the hook hole of piston.
Boom guy type air damper specific works principle is as follows: air damper cylindrical shell is fixed on gloves casing, case lid is fixed in the bracing wire of stretching out, when case lid is opened, under gravitational moment effect, rotate, drive bracing wire fast moving, bracing wire drive cylindrical shell inner carrier upwards acceleration moves, due to tiny air inlet duct fail timely air inlet supplement, tube inner chamber forms negative pressure, O shape circle tongue piece on piston is adsorbed and closed exhaust hole, form damping force, piston moves and causes degree of vacuum to increase, air damping increases, the compressed formation resistance of Returnning spring simultaneously, until resistance sum is applied to the resistance torque of bracing wire with case lid weight torque balance, under trimming moment effect, on one side by air inlet duct air inlet, bracing wire on one side at the uniform velocity moves up, glove box lid is at the uniform velocity opened.Be opened to after several angle, at case lid, limit position and stop operating.While closing case lid, under inner barrel Returnning spring thrust, piston moves down, and cylinder internal pressure increases, and O shape circle tongue piece is opened, exhaust rapidly.After case lid is closed, in air damper cylindrical shell, gas is discharged from, and completes one and opens and closes circulation.
the beneficial effects of the utility modelbe: reduce part, simplified structure, on the basis reducing costs, improves damping capacity.
accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the profile stereogram after boom guy type air damper assembling of the present utility model.
Fig. 2 is the exploded view of boom guy type air damper of the present utility model.
Fig. 3 is the closed condition figure of glove box.
Fig. 4 is the opening state figure of glove box.
Fig. 5 is the longitudinal section tectonic maps of the wait state of boom guy type air damper of the present utility model.
Fig. 6 is the longitudinal section tectonic maps of the air-suction state of boom guy type air damper of the present utility model.
Fig. 7 is the longitudinal section tectonic maps of the exhaust condition of boom guy type air damper of the present utility model.
embodiment:
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail, but the present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof, all should list protection domain of the present utility model in.
As shown in Figure 2, embodiment of the present utility model comprises cylindrical shell 1, cover 3, bracing wire 2, piston 5, O shape circle 6, spring 4.Cylindrical shell 1 bottom is airtight, and exhaust port is not set.The zone line of piston 5 is provided with the exhaust port 17 that runs through upper and lower surface, and the upper surface of piston 5 is provided with air inlet duct 18 radially, and air inlet duct 18 is communicated with exhaust port 17.The middle circle of the O shape with 19 valve function of tongue piece 6 is arranged on the piston 5 of cylindrical shell 1 inside, the outer circumferential face of O shape circle 6 is with the internal face sealing of cylindrical shell 1, after the middle tongue piece 19 of O shape circle 6 is installed by the tongue piece groove 12 on piston 5, tongue piece 19 is covered on the exhaust port 17 of piston 5, when middle tongue piece 19 is realized when closed from air inlet duct 18 air inlets of piston 5 or opens from the valve function of exhaust port 17 exhausts of piston 5, thereby O shape circle 6 forms the damped system of inner air inlet exhaust gas inside with piston 5.Returnning spring 4 is installed on one end, outside of the piston 5 in cylindrical shell 1, is compressed between piston 5 and cover 3.Piston 5 is provided with hook hole 15, and bracing wire 2 pulls piston 5 to move up and down by snapping in the hook hole 15 of piston 5.
As shown in Fig. 2, Fig. 1, the assembly process of boom guy type air damper is: the tongue piece 19 of O shape circle 6 is through after the tongue piece groove 12 of piston 5, and O shape circle is installed in the annular groove 13 of piston 5, and tongue piece 19 is covered on exhaust port 17.Bracing wire 2, through after the hook hole 15 of piston 5, is hung on piston 5.Returnning spring 4 is installed on piston seat 14 through bracing wire 2.Little assembly after piston 5, O shape circle 6, Returnning spring 4, bracing wire 2 assemblings is installed in cylindrical shell 1.Cover 3 is through assembling by buckle 11 and the hole clipping 10 of cylindrical shell 1 after bracing wire 2, and so far, boom guy type air damper completes all installations.
In Fig. 3, the mounting hole 9 of the cylindrical shell 1 of the damper of installation is screwed on the screw column 20 of gloves casing 7, and one end of bracing wire 2 hangs on the hook 21 of glove box lid 8.
Conventionally the closed condition of glove box in Fig. 3, the state of the each assembly of damper is as Fig. 5.As shown in Fig. 4, Fig. 6, when opening glove box lid 8, case lid 8 is rotated down around axis hole 22 under dead-load moment effect, bracing wire 2 pulls piston 5 to rise, piston 5 rises and makes cylindrical shell 1 inner chamber produce damping force negative pressure F, and under suction function, the tongue piece 19 of O shape circle 6 is attracted to seal vents 17 on the sealing surface 16 of piston 5, air inlet duct 18 starts air inlet, and damper enters the air inlet damping state of Fig. 6.While increasing along with velocity of piston, because air inlet duct 18 is very little, air inlet is not enough to supplement piston 5 risings and produces vacuum space, and vacuum chamber increases, and air damping increases, the compressed formation resistance of Returnning spring 4 simultaneously, until resistance sum is applied to the resistance torque of bracing wire 2 with case lid weight torque balance, under trimming moment effect, on one side by air inlet duct 18 air inlets, bracing wire 2 on one side at the uniform velocity moves up, and glove box lid 8 is at the uniform velocity opened.Be opened to after several angle, at case lid, limit position and stop operating.
As shown in Fig. 4, Fig. 7, while closing glove box lid 8, Returnning spring 4 promotes piston 5 and moves down, and the interior generation malleation of cylindrical shell 1 is opened the tongue piece 19 on O shape circle 6, and in chamber, air starts to discharge.
Under cylindrical shell 1 constant diameter, damping force has relation with air inlet duct 18 sizes.Air inlet duct 18 is less, and air inlet is slower, and the damping force of generation is also larger, and damping is obvious.Air inlet duct 18 is larger, and piece is got in air inlet, and the damping force of generation is also less, and damping is not obvious.When glove box deadweight and load change are when larger, can consider to select the air inlet duct 18 of different pore size specification, with the unlatching that remains a constant speed.
Claims (5)
1. an air damper, comprise cylindrical shell, cover, bracing wire, piston, O shape circle, spring, it is characterized in that: the zone line of piston is provided with the exhaust port that runs through upper and lower surface, the upper surface of piston is provided with air inlet duct radially, the O shape circle that valve function is played with tongue piece in centre is arranged on the piston of inner barrel, and the outer circumferential face of O shape circle is with the internal face sealing of cylindrical shell.
2. air damper according to claim 1, is characterized in that: air inlet duct is communicated with exhaust port.
3. air damper according to claim 1, is characterized in that: after the middle tongue piece of O shape circle is installed by the tongue piece groove on piston, tongue piece is covered on the exhaust port of piston.
4. air damper according to claim 1, is characterized in that: Returnning spring is installed on one end, outside of the piston in cylindrical shell, is compressed between piston and cover.
5. air damper according to claim 1, is characterized in that: piston is provided with hook hole, and bracing wire pulls piston to move up and down by snapping in the hook hole of piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497248.4U CN203548685U (en) | 2013-08-15 | 2013-08-15 | Internal fine groove air intake stay wire type air damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320497248.4U CN203548685U (en) | 2013-08-15 | 2013-08-15 | Internal fine groove air intake stay wire type air damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548685U true CN203548685U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320497248.4U Expired - Fee Related CN203548685U (en) | 2013-08-15 | 2013-08-15 | Internal fine groove air intake stay wire type air damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203548685U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438138A (en) * | 2013-08-15 | 2013-12-11 | 苏新文 | Internal small hole air intake stay wire type air damper |
-
2013
- 2013-08-15 CN CN201320497248.4U patent/CN203548685U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103438138A (en) * | 2013-08-15 | 2013-12-11 | 苏新文 | Internal small hole air intake stay wire type air damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180619 Address after: 201108 floor 3 of Minhang District City Road, Minhang District, Shanghai, Shanghai Patentee after: SHANGHAI QITIAN AUTOMOTIVE TECHNOLOGY CO.,LTD. Address before: 201108 2005, room 123, 123 lane, 1165 lane, Kim Du Road, Shanghai. Patentee before: Su Xinwen |
|
| 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: 20140416 |