CN206317772U - Steering gear dust cover and its mounting structure - Google Patents
Steering gear dust cover and its mounting structure Download PDFInfo
- Publication number
- CN206317772U CN206317772U CN201621257850.0U CN201621257850U CN206317772U CN 206317772 U CN206317772 U CN 206317772U CN 201621257850 U CN201621257850 U CN 201621257850U CN 206317772 U CN206317772 U CN 206317772U
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- CN
- China
- Prior art keywords
- steering gear
- dust cover
- vehicle body
- installation end
- flange
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Abstract
The utility model provides a kind of steering gear dust cover and its mounting structure, the steering gear dust cover includes the dust boot body of inner hollow, clamping support and spring leaf, the dust boot body includes cylinder, it is connected to the vehicle body installation end of described cylinder one end and is connected to the steering gear installation end of the cylinder other end, sealing is provided with the end face of the vehicle body installation end, neck is provided with the madial wall of the vehicle body installation end, the clamping support includes the flange being caught in the neck and the clamping piece for the inner side for being arranged on the flange, the spring leaf is fixedly installed on position relative with the clamping piece on the clamping support, the clamping piece and the spring leaf can be connected on the vehicle body sheet metal mounting hole corresponding to the steering gear dust cover.The steering gear dust cover is reusable, reduces after-sales service cost.
Description
Technical field
The utility model belongs to auto steerer technical field, more particularly to a kind of steering gear dust cover and its installation
Structure.
Background technology
Vehicle steering gear dust guard, it is to seal the hole that vehicle body sheet metal is opened by steering gear input shaft that it, which is acted on, is prevented simultaneously
Noise, foreign matter are passed directly to crew module by enging cabin.
Existing steering gear dust cover, due to being influenceed by steering gear, vehicle body sheet metal design attitude, tends to out turn now to
Higher, the problems such as mating surface angle of inclination is big of device dust cover height.Dust cover is general first to be installed with steering gear cooperation, then together
Car is closed to be assembled on vehicle body sheet metal face.In the process, due to the rigging error of conjunction ride plate, parts foozle is added,
Tend to occur dust cover to fit with vehicle body sheet metal face dislocation, or even dust cover is filled in and causes waterproof to be prevented in vehicle body sheet metal perforate
The problem of dirt disabler.
Due to rigging error, the hermetic unit unbalance stress that dust cover is contacted with vehicle body sheet metal face holds after long-time stress
It is easily caused local permanent plastic deformation, final seal failure.So, if continuing to install and use after the dismounting of steering gear dust cover, its
Sealing property is greatly reduced, and water inlet risk is high, it is seen that existing steering gear dust cover is difficult to reuse, and adds after-sales service
Cost.
Utility model content
Technical problem to be solved in the utility model is the dress due to closing ride plate for existing steering gear dust cover
With error and parts foozle, easily there is dust cover and fitted with vehicle body sheet metal face dislocation, or even dust cover fills in vehicle body
Functions of waterproof and dustproof is caused to fail in metal plate perforate, it is difficult to which there is provided a kind of steering gear dust cover for the problem of reusing.
The technical scheme that the utility model solution above-mentioned technical problem is used is as follows：
A kind of steering gear dust cover is provided, includes dust boot body, clamping support and the spring leaf of inner hollow, it is described anti-
Boot body includes cylinder, is connected to the vehicle body installation end of described cylinder one end and is connected to the steering gear of the cylinder other end
It is provided with installation end, the end face of the vehicle body installation end on sealing, the madial wall of the vehicle body installation end and is provided with neck,
The clamping support includes the flange being caught in the neck and the clamping piece for the inner side for being arranged on the flange, the spring leaf
Position relative with the clamping piece on the clamping support is fixedly installed on, the clamping piece and the spring leaf can be connected in
On vehicle body sheet metal mounting hole corresponding to the steering gear dust cover.
Further, the clamping piece includes connection sheet, compressing piece and prerotation vane, and one end of the connection sheet is connected to institute
The inner side of flange is stated, the other end of the connection sheet is connected to one end of the compressing piece, the other end connection of the compressing piece
In one end of the prerotation vane, the upper surface of the compressible periphery metal plate in above-mentioned vehicle body sheet metal mounting hole of the compressing piece.
Further, the spring leaf includes fixed part, guide part and pressure contact portion, and the fixed part is fixed on the flange
On, one end of the guide part is connected on the fixed part, and the other end of the guide part is connected to the one of the pressure contact portion
End, the upper surface of the compressible periphery metal plate in above-mentioned vehicle body sheet metal mounting hole of the other end of the pressure contact portion.
Further, the fixed part is U-shaped shell fragment, and the U-shaped shell fragment is clamped on the outside of the flange and is caught in institute
State in neck, a welding hole is provided with the flange, the bottom of the U-shaped shell fragment sets oriented described welding hole to protrude and stretch into
Solder-bump in described welding hole, the solder-bump is welded at described welding hole with the flange.
Further, the sealing includes the first sealing shirt rim and be arranged on the inside of first sealing shirt rim second
Sealing shirt rim, the height of first sealing shirt rim is more than the height of second sealing shirt rim.
Further, opposite the first guide tabs and the second guide tabs are additionally provided with the inside of the flange.
Further, the position being connected on the cylinder with the steering gear installation end is provided with waveform tubular structure.
Further, the steering gear installation end at cylinder link position with being provided with first boss, the first boss
Protruded inwardly by the madial wall of the steering gear installation end.
Further, the lower position on the madial wall of the steering gear installation end positioned at the first boss is provided with the
Two boss, the second boss is protruded inwardly by the madial wall of the steering gear installation end, the inside pleurapophysis of second boss
The width gone out is less than the width that the first boss is protruded inwardly.
Further, the bottom of the steering gear installation end is provided with the convex of the end face that protrudes from the steering gear installation end
Spacing hole is provided with above ear, the lug.
According to steering gear dust cover of the present utility model, clamping piece and spring card are connected on corresponding to the steering gear dust cover
Vehicle body sheet metal mounting hole on, the vehicle body installation end of steering gear dust cover is connected on vehicle body sheet metal, due to spring leaf tool
There is deformability, therefore, it is possible to make up rigging error and parts when steering gear dust cover is connected with vehicle body sheet metal in itself
Permanent plastic deformation will not occur for foozle, the sealing uniform force of steering gear dust cover, after the dismounting of steering gear dust cover
If continuing to install and use, its sealing property will not decline so that the steering gear dust cover is reusable, reduces after-sales service
Cost.Simultaneously, it is to avoid steering gear dust cover occur and fitted with vehicle body sheet metal face dislocation, and dust cover fills in vehicle body sheet metal installation
Cause the problem of functions of waterproof and dustproof of steering gear dust cover fails in hole.Also, the assembly difficulty of the steering gear dust cover is low,
Improve efficiency of assembling.
In addition, the utility model additionally provides a kind of steering gear dust cover attaching structure, it includes vehicle body sheet metal, steering gear
The car corresponding to the vehicle body installation end is provided with input shaft end housing and above-mentioned steering gear dust cover, the vehicle body sheet metal
Body metal plate mounting hole, the clamping piece and the spring leaf can be connected on the vehicle body sheet metal mounting hole, and the steering gear is defeated
Enter shaft end housing to be fitted in the steering gear installation end.
Brief description of the drawings
Fig. 1 is the schematic diagram for the steering gear dust cover that the embodiment of the utility model one is provided；
Fig. 2 is the sectional view in the A-A directions along along Fig. 1；
Fig. 3 is that the assembling of its clamping support of steering gear dust cover and spring leaf that the embodiment of the utility model one is provided is illustrated
Figure；
Fig. 4 is the schematic diagram of its clamping support of the steering gear dust cover of the embodiment of the utility model one offer；
Fig. 5 is the schematic diagram of its spring leaf of the steering gear dust cover of another embodiment offer of the utility model；
Fig. 6 is the schematic diagram for the steering gear dust cover attaching structure that the embodiment of the utility model one is provided；
Fig. 7 is the sectional view in the B-B directions along along Fig. 6；
Fig. 8 is the sectional view in the C-C directions along along Fig. 6；
Fig. 9 is the enlarged drawing at a in Fig. 2；
Figure 10 is the enlarged drawing at b in Fig. 2.
Reference in Figure of description is as follows：
10 steering gear dust covers；1st, dust boot body；11st, cylinder；111st, waveform tubular structure；12nd, vehicle body installation end；
121st, neck；13rd, steering gear installation end；131st, first boss；132nd, second boss；133rd, lug；134th, spacing hole；14th,
One sealing shirt rim；15th, the second sealing shirt rim；
2nd, clamping support；21st, flange；211st, welding hole is put；22nd, clamping piece；221st, connection sheet；222nd, compressing piece；223rd, lead
To piece；23rd, the first guide tabs；24th, the second guide tabs；
3rd, spring leaf；31st, fixed part；311st, solder-bump；32nd, guide part；321st, inclined plane；33rd, pressure contact portion；
4th, vehicle body sheet metal；41st, vehicle body sheet metal mounting hole；
5th, steering gear input shaft end housing；51st, positioning convex.
Embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model is solved are more clearly understood, below
With reference to drawings and Examples, the utility model is described in further detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
As shown in Figures 1 to 5, the steering gear dust cover 10 that the embodiment of the utility model one is provided, including inner hollow
Dust boot body 1, clamping support 2 and spring leaf 3.
In the present embodiment, dust boot body 1 is the rubber parts of inner hollow, and clamping support 2 and spring leaf 3 are metalwork.
As shown in Figures 1 and 2, the dust boot body 1 includes cylinder 11, is connected to the vehicle body peace of described one end of cylinder 11
It is provided with dress end 12 and the steering gear installation end 13 for being connected to the other end of cylinder 11, the end face of the vehicle body installation end 12
Sealing.As shown in Fig. 2 the sealing includes the first sealing shirt rim 14 and is arranged on the inner side of the first sealing shirt rim 14
Second sealing shirt rim 15, the height of first sealing shirt rim 14 is more than the height of second sealing shirt rim 15.
As shown in fig. 7, the first sealing shirt rim 14, the second sealing shirt rim 15 and the lower surface of vehicle body sheet metal 4 are interference fitted,
After first sealing shirt rim 14 failure in outside, if there is liquid to flow out vehicle body sheet metal edge, the second sealing shirt rim 15 of inner side is still
Effective sealing can be so played, equivalent to foring two seals.
As shown in Fig. 2 figures, neck 121 is provided with the madial wall of the vehicle body installation end 12.Such as Fig. 2 to Fig. 4 and Fig. 9 institutes
Show, the clamping support 2 includes the flange 21 being caught in the neck 121 and is arranged on the clamping piece of the inner side of the flange 21
22, the clamping piece 22 includes connection sheet 221, compressing piece 222 and prerotation vane 223, and one end of the connection sheet 221 is connected to institute
The inner side of flange 21 is stated, the other end of the connection sheet 221 is connected to one end of the compressing piece 222, the compressing piece 222
The other end is connected to one end of the prerotation vane 223.As shown in fig. 7, the compressing piece 222 is compressible in above-mentioned vehicle body sheet metal peace
Fill the upper surface of the periphery metal plate (i.e. vehicle body sheet metal 4 in figure) in hole.One end of prerotation vane 223 from compressing piece 222 start gradually to
Outside is tilted, and the prerotation vane 223 play the guiding role when clamping piece 22 is with vehicle body sheet metal 41 clamping of mounting hole.
As shown in Fig. 2, Fig. 3 and Fig. 5, the spring leaf 3 is fixedly installed on the clamping support 2 and the clamping piece 22
Relative position, the clamping piece 22 and the spring leaf 3 can be connected in the vehicle body sheet metal peace corresponding to the steering gear dust cover
Fill on hole.The spring leaf 3 includes fixed part 31, guide part 32 and pressure contact portion 33, and the fixed part 31 is fixed on the flange
On 21, one end of the guide part 32 is connected on the fixed part 31, and the other end of the guide part 32 is connected to the pressure
One end of socket part 33.As shown in fig. 7, the compressible periphery metal plate in vehicle body sheet metal mounting hole of the other end of the pressure contact portion 33
The upper surface of (i.e. vehicle body sheet metal 4 in figure).Guide part 32 has an inclined plane 321, and the inclined plane 321 is in spring leaf 3 and vehicle body
It is play the guiding role during metal plate 41 clamping of mounting hole.
In the present embodiment, as shown in Fig. 2 to Fig. 5 and Figure 10, the fixed part 31 is U-shaped shell fragment, the U-shaped shell fragment clamping
In the outside of the flange 21 and it is caught in the neck 121, a welding hole 211, the U-shaped shell fragment is provided with the flange 21
Bottom the solder-bump 311 that oriented described welding hole 211 is protruded and stretched into described welding hole 211 is set, the welding is convex
311 are played to weld with the flange 21 at described welding hole 211.By the welding of (solder joint) at this, spring leaf 3 and card are added
Connect the reliability that support 2 is fixedly connected.By the way that the flange 21 and U-shaped shell fragment of clamping support 2 are caught in the neck 121, card
Groove 121 can play the role of positioning to clamping support 2, spring leaf 3, and the correct position of each parts is effectively ensured.
In addition, as shown in Figures 2 to 4, the inner side of the flange 21 is additionally provided with opposite the first guide tabs 23 and
Two guide tabs 24.First guide tabs 23 and the second guide tabs 24 make it that vehicle body installation end 11 exists with vehicle body sheet metal mounting hole
It can be accurately aimed at during installation, clamping support 2 is snapped fit onto and play the guiding role on vehicle body sheet metal mounting hole 41.
As shown in Fig. 2 the steering gear installation end 13 at the link position of cylinder 11 with being provided with first boss 131, it is described
First boss 131 is protruded inwardly by the madial wall of the steering gear installation end 13.The madial wall of the steering gear installation end 13
The upper lower position positioned at the first boss 131 is provided with second boss 132, and the second boss 132 is by the steering gear
The madial wall of installation end 13 is protruded inwardly, and the width (area) that the second boss 132 is protruded inwardly is less than described first
The width (area) that boss 131 is protruded inwardly.As shown in figure 8, steering gear input shaft end housing 5 loads steering gear peace from bottom
End 13 is filled, the upper surface of steering gear input shaft end housing 5 is resisted against the lower surface of the first boss 131, adjusts first boss
131 internal diameter (width) can adjust steering gear dust cover and the contact area of the upper surface of steering gear input shaft end housing 5, adjustment
The thickness of first boss 131 can adjust steering gear dust cover and the axial interference of the upper surface of steering gear input shaft end housing 5
Amount, flexible design is also add while steering gear dust cover lower end (steering gear connection end 13) axial seal is effectively ensured
Property.
As shown in figure 8, the inner side of the peripheral part of steering gear input shaft end housing 5 and two second boss 132 is interference fitted,
Play radial seal effect.The internal diameter (width) for adjusting two second boss 132 can adjust steering gear dust cover lower end with turning to
The magnitude of interference of the radial direction of device input shaft end housing 5, while steering gear dust cover lower circumferential direction sealing is effectively ensured
It also add design flexibility.With this so that the applicable different steering gear of the steering gear dust cover and vehicle body sheet metal cloth set
Put.
As shown in Fig. 1 and Fig. 8, the bottom of the steering gear installation end 13, which is provided with, protrudes from the steering gear installation end 13
End face lug 133, the top of the lug 133 is provided with spacing hole 134.Steering gear input shaft end housing 5 is set on periphery
The positioning convex 51 put can be inserted into the spacing hole 134, the assembling to steering gear dust cover and steering gear input shaft end housing 5
Positioned.The shape of spacing hole 134 and the shape of positioning convex 51 match.In the present embodiment, spacing hole 134 it is square
Hole, positioning convex 51 is in square.The design of lug 133 facilitates workman's assembly manipulation, and in clamping support 2, spring leaf 3 and car
Avoided during vehicle body sheet metal 41 clamping of mounting hole of body metal plate 4 because the tension of dust boot body 1 causes the first convex of steering gear dust cover
The lower surface of platform 131 is disengaged with the upper surface of steering gear input shaft end housing 5.
As shown in figure 1, the position being connected on the cylinder 11 with the steering gear installation end 13 is provided with waveform tubular knot
Structure 111.It is dust-proof that waveform tubular structure 111 can eliminate the steering gear caused by manufacture, alignment error in assembling process, on the one hand
Cover movement, the caused deformation of torsiversion malposition of upper end, it is ensured that steering gear dust cover upper end (vehicle body installation end 12) can be with vehicle body metal plate
Golden 4 correct clampings；On the other hand, when clamping support 2 and spring leaf 3 are snapped fit onto on vehicle body sheet metal 4, waveform tubular structure is passed through
111 stretching ensure steering gear dust cover first boss 131 and the upper surface of steering gear input shaft end housing 5 contact all the time by
Power, it is ensured that the axially effectively sealing of steering gear dust cover lower end (steering gear connection end 13).Assemble and complete in steering gear dust cover
Afterwards, waveform tubular structure 111 is compressed there is provided the lower surface to first boss 131 along the axial compression stress of steering gear input shaft,
It is further ensured that the decrement of first boss 131.In the present embodiment, the only one of which waveform of waveform tubular structure 111, if turned to
Device dust cover height is higher, and waveform tubular structure 111 may be designed as two or more waveform, by adjusting waveform tubular structure 111
Size can also control the deflection of waveform tubular structure 111.
According to the steering gear dust cover of the utility model above-described embodiment, clamping piece and spring card are connected on the steering gear and prevented
On vehicle body sheet metal mounting hole corresponding to dust hood, the vehicle body installation end of steering gear dust cover is connected on vehicle body sheet metal, prevented
Spacing hole on the steering gear installation end of boot body coordinates with the positioning convex in steering gear input shaft end housing, steering gear peace
The upper surface of the first boss and steering gear input shaft end housing that fill end is interference fitted, and the second boss of steering gear installation end is with turning
It is interference fitted to device input shaft end housing outer diameter, it is spacing because the clamping reliability of clamping piece and spring leaf and vehicle body sheet metal is high
Hole coordinates with positioning convex to play the role of positioning, the interference of dust cover first boss and second boss and steering gear input shaft end housing
Coordinate reliability high, and dust boot body stress small deformation is small, adds and be connected on clamping piece cylinder with the steering gear installation end
Position set waveform tubular structure and spring leaf there is deformability, therefore, it is possible to make up steering gear dust cover and vehicle body
The foozle of rigging error and parts in itself when metal plate is connected, it is to avoid steering gear dust cover occur and pasted with vehicle body sheet metal face
Close dislocation, and dust cover fills in asking of causing the functions of waterproof and dustproof of steering gear dust cover to fail in vehicle body sheet metal mounting hole
Topic.Adverse effect of the alignment error to the sealing property of steering gear dust cover is effectively prevent, steering gear dust cover is improved
Sealing property and reliability.And dust boot body stress is small, deformed after long-time use it is small, if steering gear dust cover dismounting after after
Continuous to install and use, its sealing property will not decline, it is seen that the steering gear dust cover is reusable, reduce after-sales service into
This.Also, the assembly difficulty of the steering gear dust cover is low, improves efficiency of assembling.
In addition, as shown in Figure 6 to 8, the embodiment of the utility model one additionally provides a kind of steering gear dust cover and installs knot
Structure, it includes the steering gear dust cover 10 of vehicle body sheet metal 4, steering gear input shaft end housing 5 and above-described embodiment, the vehicle body metal plate
The vehicle body sheet metal mounting hole 41 corresponding to the vehicle body installation end 12, the clamping piece 22 and the spring leaf 3 are provided with gold 4
It can be connected on the vehicle body sheet metal mounting hole 41, the steering gear input shaft end housing 5 is fitted in the steering gear installation end
In 13.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (11)
1. a kind of steering gear dust cover, it is characterised in that the dust boot body including inner hollow, clamping support and spring leaf,
The dust boot body includes cylinder, is connected to the vehicle body installation end of described cylinder one end and is connected to the cylinder other end
It is provided with sealing, the madial wall of the vehicle body installation end and sets on steering gear installation end, the end face of the vehicle body installation end
There is neck, the clamping support includes the flange being caught in the neck and the clamping piece for the inner side for being arranged on the flange, institute
State spring leaf and be fixedly installed on position relative with the clamping piece on the clamping support, the clamping piece and the spring leaf
It can be connected on the vehicle body sheet metal mounting hole corresponding to the steering gear dust cover.
2. steering gear dust cover according to claim 1, it is characterised in that the clamping piece includes connection sheet, compressing piece
And prerotation vane, one end of the connection sheet is connected to the inner side of the flange, and the other end of the connection sheet is connected to the pressure
One end of contact pin, the other end of the compressing piece is connected to one end of the prerotation vane, and the compressing piece is compressible in above-mentioned car
The upper surface of the periphery metal plate of body metal plate mounting hole.
3. steering gear dust cover according to claim 1, it is characterised in that the spring leaf includes fixed part, guide part
And pressure contact portion, the fixed part is fixed on the flange, and one end of the guide part is connected on the fixed part, described to lead
One end of the pressure contact portion is connected to the other end in portion, the other end of the pressure contact portion is compressible to be installed in above-mentioned vehicle body sheet metal
The upper surface of the periphery metal plate in hole.
4. steering gear dust cover according to claim 3, it is characterised in that the fixed part is U-shaped shell fragment, the U-shaped
Shell fragment is clamped on the outside of the flange and is caught in the neck, and a welding hole is provided with the flange, the U-shaped shell fragment
Bottom sets the solder-bump that oriented described welding hole is protruded and stretched into described welding hole, and the solder-bump is in the spot welding
Welded at hole with the flange.
5. steering gear dust cover according to claim 1, it is characterised in that the sealing include the first sealing shirt rim and
The second sealing shirt rim on the inside of first sealing shirt rim is arranged on, the height of first sealing shirt rim is close more than described second
Seal the height of shirt rim.
6. steering gear dust cover according to claim 1, it is characterised in that be additionally provided with the inside of the flange opposite
First guide tabs and the second guide tabs.
7. steering gear dust cover according to claim 1, it is characterised in that with the steering gear installation end on the cylinder
The position of connection is provided with waveform tubular structure.
8. the steering gear dust cover according to claim 1-7 any one, it is characterised in that the steering gear installation end with
Be provided with first boss at cylinder link position, the first boss by the steering gear installation end the inside pleurapophysis of madial wall
Go out.
9. steering gear dust cover according to claim 8, it is characterised in that the madial wall of the steering gear installation end is upper
The lower position of the first boss is provided with second boss, the second boss by the steering gear installation end madial wall
Protrude inwardly, the width that the second boss is protruded inwardly is less than the width that the first boss is protruded inwardly.
10. the steering gear dust cover according to claim 1-7 any one, it is characterised in that the steering gear installation end
Bottom be provided with above the lug of the end face for protruding from the steering gear installation end, the lug and be provided with spacing hole.
11. a kind of steering gear dust cover attaching structure, it is characterised in that including vehicle body sheet metal, steering gear input shaft end housing and
It is provided with and is installed corresponding to the vehicle body on steering gear dust cover described in claim 1-10 any one, the vehicle body sheet metal
The vehicle body sheet metal mounting hole at end, the clamping piece and the spring leaf can be connected on the vehicle body sheet metal mounting hole, described turn
It is fitted in device input shaft end housing in the steering gear installation end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257850.0U CN206317772U (en) | 2016-11-18 | 2016-11-18 | Steering gear dust cover and its mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257850.0U CN206317772U (en) | 2016-11-18 | 2016-11-18 | Steering gear dust cover and its mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206317772U true CN206317772U (en) | 2017-07-11 |
Family
ID=59264054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621257850.0U Active CN206317772U (en) | 2016-11-18 | 2016-11-18 | Steering gear dust cover and its mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206317772U (en) |
-
2016
- 2016-11-18 CN CN201621257850.0U patent/CN206317772U/en active Active
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