CN214403158U - Cabinet door lifting mechanism and cabinet thereof - Google Patents

Abstract

The utility model discloses a cabinet door elevating system and cabinet thereof, cabinet door elevating system is used for realizing opening and shutting of well door and lower door, including power spare, linkage unit, first slide rail and second slide rail, the linkage unit includes well door connecting piece, lower door connecting piece and drive assembly, well door with the lower door is along first slide rail with the recess orbit of second slide rail removes, first slide rail has the screens groove, the screens groove makes the unable smooth upward movement of lower door under the effect of linkage unit and first slide rail, second slide rail, well door and lower door realize that semi-automatic moves up perpendicularly or move down simultaneously. The cabinet comprises a cabinet door lifting mechanism, a cabinet body and an upper door. Adopt the utility model discloses, can follow the vertical direction and open simultaneously and close two-layer cabinet door, avoid the cabinet door side to open and occupy user's activity space, the cabinet door can semi-automatic lift simultaneously, and the effect is carried in laborsaving, still has the advantage that the operation is level and smooth, control is reliable.

Description

Cabinet door lifting mechanism and cabinet thereof

Technical Field

The utility model relates to a locker technical field especially relates to cabinet door elevating system and cabinet thereof.

Background

The storage cabinet is often used for storing articles such as articles for daily use, kitchen utensils or food, and is widely applied to occasions such as bedrooms, living rooms, kitchens and bathrooms. The cabinet doors of most existing storage cabinets are designed to be side-hung doors, and when the shorter side-hung doors are opened at the sides, the space for users to move in front of the storage cabinets needs to be occupied, so that certain inconvenience can be brought to users with compact housing types and small indoor space by the side-hung door opening scheme.

Simultaneously, to the cabinet door that uses heavier materials such as stainless steel, need great strength when opening, if user's hand holds the heavy object this moment, then is difficult to operate more.

In addition, the side is opened the cabinet door and is being opened the state, can produce the potential safety hazard to there being children's family, and children collide with open cabinet door closed angle easily when the activity to arouse the incident.

Disclosure of Invention

The utility model aims to solve the technical problem that a cabinet door elevating system and cabinet thereof is provided, can follow the vertical direction and open two-layer cabinet door simultaneously, avoid the cabinet door side to open the activity space that occupies the user, the cabinet door can semi-automatic lift simultaneously, and is laborsaving to carry the effect.

The utility model discloses can also make two-layer cabinet door reachd only the off-position simultaneously, have the advantage that the operation is level and smooth, control is reliable.

In order to solve the technical problem, the utility model provides a cabinet door elevating system, it is used for the drive well door and the lower door goes up and down to realize opening and shutting of cabinet door, cabinet door elevating system includes power spare and linkage unit, the linkage unit includes well door connecting piece, lower door connecting piece and drive assembly, well door connecting piece and lower door connecting piece's stiff end all with the power spare links to each other, drive assembly includes fixed pulley and movable pulley, the fixed pulley is located well door top, the movable pulley with well door fixed connection.

The movable end of the middle door connecting piece is wound around the fixed pulley, then the movable end of the middle door connecting piece is wound downwards around the bottom of the movable pulley and then extends upwards, the tail end of the middle door connecting piece is fixed at the top of the cabinet door lifting mechanism, the movable end of the lower door connecting piece penetrates through the fixed pulley and vertically wound downwards, and the tail end of the lower door connecting piece is fixed at the lower door.

The cabinet door lifting mechanism further comprises first slide rails, the first slide rails are located on two sides of the lower door, a first section of each first slide rail is provided with a clamping groove, and the clamping grooves can limit vertical upward movement of the lower door.

The power part comprises a clockwork spring and a scroll, one end of the clockwork spring is fixed on the scroll, and the other end of the clockwork spring is connected with the middle door connecting piece and the lower door connecting piece respectively.

The cabinet door lifting mechanism is characterized in that outer columns and inner columns are arranged on the left side and the right side of the cabinet door lifting mechanism, the first sliding rails are arranged on the outer columns, the inner columns are provided with second sliding rails, and the groove orientations of the second sliding rails are opposite to those of the first sliding rails.

The cabinet door lifting mechanism is further provided with a middle door roller and a lower door roller, the middle door roller and the lower door roller are respectively installed on two sides of the middle door and two sides of the lower door, and the middle door roller and the lower door roller are respectively matched with the first sliding rail and the second sliding rail, so that the middle door and the lower door respectively move along the groove tracks of the first sliding rail and the second sliding rail.

Wherein, screens groove is from keeping away from the position of lower door, court the direction extension of lower door, and the while kickup forms the circular arc part, the afterbody in screens groove up extends the straight part that forms all the time, the circular arc part in screens groove with straight part constitutes jointly first slide rail.

The length of the straight part of the first slide rail is twice of the distance from the stop position of the second slide rail to the center of the movable pulley wheel disc.

The middle door roller and the lower door roller respectively comprise a parallel direction roller and a vertical direction roller, the end surfaces of the parallel direction rollers are parallel to the inner wall surfaces of two sides of the cabinet door lifting mechanism, the end surfaces of the vertical direction rollers are perpendicular to the end surfaces of the parallel direction rollers, the rolling directions of the parallel direction rollers and the vertical direction rollers are vertical directions, and the parallel direction rollers of the middle door roller and the parallel direction rollers of the lower door roller are respectively matched with the grooves of the first sliding rail and the grooves of the second sliding rail.

The outer side surface of the lower door is provided with a strip-shaped bulge, and the strip-shaped bulge is used for pulling the lower door to be separated from the limit of the arc part of the clamping groove.

Correspondingly, the utility model also provides a cabinet, include as above arbitrary cabinet door elevating system, still include the cabinet body and last door, go up the door the well door with the lower door is installed the lateral surface of the cabinet body, in order to cover the cavity of the cabinet body, cabinet body left and right both sides all are equipped with the outer column with the inner column, power spare install in on the bottom inner wall of the cabinet body, the fixed pulley is located the upper portion of the cabinet body, first slide rail with the second slide rail is located the both sides of the cabinet body.

Implement the utility model discloses, following beneficial effect has:

1. the lower door is connected with the clockwork spring through the lower door connecting piece and the fixed pulley, and under the action of the clockwork spring, the lower door continuously receives upward pulling force, but the lower door cannot automatically move upwards due to the friction force applied by the clamping groove. When a user opens the cabinet door, the lower door can be separated from the clamping groove only by applying lifting action to the lower door, the lower door starts to move upwards under the elastic force action of the clockwork spring, meanwhile, the clockwork spring starts to contract and is influenced by the length shortening of the clockwork spring, and the middle door is pulled by the clockwork spring under the action of the middle door connecting piece and the movable pulley and moves upwards together with the lower door. When the door is closed, the lower door is pulled downwards from the upper part only by slight force and is pushed back to the corresponding position of the clamping groove, and the middle door can automatically descend under the action of gravity along with the elongation of the clockwork spring. Therefore, the utility model discloses can follow the vertical direction and open two-layer cabinet door simultaneously, avoid the cabinet door side to open and occupy user's activity space, the cabinet door can semi-automatic lift simultaneously, and is laborsaving to carry the effect.

2. Because the middle door connecting piece and the lower door connecting piece are simultaneously connected with the clockwork spring, when the clockwork spring contracts, the middle door connecting piece and the lower door connecting piece move in equal length, but because the lower door uses the fixed pulley, the moving distance of the lower door is equal to the moving distance of the lower door connecting piece, the middle door uses the movable pulley, the moving distance of the middle door is half of the moving distance of the lower door connecting piece, and because the length of the straight part of the first sliding rail is twice of the distance from the stopping position of the second sliding rail to the center of the movable pulley wheel disc, the lower door and the middle door can simultaneously reach the stopping position.

3. Because well door gyro wheel and lower door gyro wheel all include parallel direction gyro wheel and vertical direction gyro wheel, the direction of rolling of parallel direction gyro wheel and vertical direction gyro wheel is upper and lower direction, consequently well door and lower door in-process of up-and-down motion, parallel direction gyro wheel and vertical direction gyro wheel have restricted the direction of motion of well door and lower door betterly, make well door and lower door operation level and smooth.

4. The utility model discloses use mechanical control to realize the switch of cabinet door, there is not electrical control part, consequently avoided because of the bad consequence that the circumstances such as circuit is impaired, procedure error or have a power failure brought, have the advantage that control is reliable.

Drawings

Fig. 1 is an overall schematic view of the cabinet door lifting mechanism of the present invention;

FIG. 2 is an overall schematic view of the cabinet door lifting mechanism of the present invention after the outer column is removed;

FIG. 3 is an overall schematic view of the cabinet door lifting mechanism after the outer column and the inner column are removed;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is a top view of the cabinet door lifting mechanism of the present invention;

FIG. 6 is an enlarged view of portion B of FIG. 1;

FIG. 7 is an enlarged view of section C of FIG. 1;

FIG. 8 is an enlarged view of section D of FIG. 2;

FIG. 9 is an enlarged view of section E of FIG. 3;

fig. 10 is a schematic view of an outer column of the cabinet door lifting mechanism of the present invention;

fig. 11 is an overall schematic view of the cabinet with the cabinet door lifting mechanism of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

Referring to fig. 1 and 2, the first embodiment of the present invention provides a cabinet door lifting mechanism, which is used for driving a middle door 1 and a lower door 2 to lift and lower, so as to open and close a cabinet door, the cabinet door lifting mechanism includes a power component 3 and a linkage unit 4, the linkage unit 4 includes a middle door connecting component 41, a lower door connecting component 42 and a transmission component 43, fixed ends of the middle door connecting component 41 and the lower door connecting component 42 are all connected to the power component 3, the transmission component 43 includes a fixed pulley 43a and a movable pulley 43b, the fixed pulley 43a is located above the middle door 1, and the movable pulley 43b is fixedly connected to the middle door 1.

Referring to fig. 2 and 4, the movable end of the middle door connecting piece 41 passes through the top groove of the wheel disc of the fixed pulley 43a, then passes through the bottom of the movable pulley 43b downwards and extends upwards, and the tail end of the middle door connecting piece is fixed at the top of the cabinet door lifting mechanism; the movable end of the lower door link 42 passes through the fixed pulley 43a and vertically winds down, and the tail end thereof is fixed to the lower door 2.

The middle door connecting piece 41 and the lower door connecting piece 42 are preferably steel wire ropes, the number of the steel wire ropes is at least 4, 2 of the steel wire ropes are connected to the left side and the right side of the lower door 2, and the other 2 steel wire ropes pass through the movable pulley 43b of the middle door 1 to be connected with the top of the cabinet door lifting mechanism. The number of the movable pulleys 43b is 2 in this embodiment, and the movable pulleys are respectively installed on the upper portions of the left and right sides of the middle door 1. The number of the fixed pulleys 43a in this embodiment is 16, of which 12 are used for guiding the middle door connecting piece 41 and the lower door connecting piece 42 to the left and right sides of the cabinet door lifting mechanism, and the other 4 act on the fixed parts of the movable pulleys 43b on the two sides of the middle door 1 and the two sides of the lower door 2 respectively.

Referring to fig. 1 and 9, the cabinet door lifting mechanism further includes a first slide rail 5, the first slide rail 5 is located at two sides of the lower door, a first section of the first slide rail 5 is provided with a position-locking groove 51, and the position-locking groove 51 can limit the vertical upward movement of the lower door 2. The power member 3 includes a spring 31 and a winding shaft 32, the spring 31 has elasticity, and one end of the spring 31 is fixed to the winding shaft 32 and the other end is connected to the middle door link 41 and the lower door link 42, respectively.

When the cabinet door is closed, the clockwork spring 31 is in an open and tight state, the middle door 1 and the lower door 2 are both under the pulling force of the clockwork spring 31, but the clamping groove 51 limits the lower door 2 to directly move upwards by using friction force, so the clockwork spring 31 cannot contract, and the middle door 1 is still at a closed position.

The working principle and the process of the embodiment are as follows:

the lower door 2 is connected to the clockwork spring 31 through the lower door link 42 and the fixed pulley 43a, and the lower door 2 is continuously pulled upward by the clockwork spring 31, but the lower door 2 cannot be automatically moved upward due to the frictional force applied by the catching groove 51. When a user opens the cabinet door, the lower door 2 is separated from the blocking groove 51 by applying a pulling motion to the lower door 2, the lower door 2 starts to move upward by the elastic force of the spiral spring 31, and at the same time, the spiral spring 31 starts to contract, and the middle door 1 is pulled by the spiral spring 31 by the middle door link 41 and the movable pulley 43b and moves upward together with the lower door 2 under the influence of the length reduction of the spiral spring 31. When the door is closed, the lower door 2 is pulled from top to bottom only by a little force and pushed back to the corresponding position of the clamping groove 51, and the middle door 1 can automatically descend under the action of gravity along with the extension of the clockwork spring 31.

Therefore, the utility model discloses can follow the vertical direction and open two-layer cabinet door simultaneously, avoid the cabinet door side to open and occupy user's activity space, the cabinet door can semi-automatic lift simultaneously, and is laborsaving to carry the effect.

Referring to fig. 2 and 8, the left and right sides of the cabinet door lifting mechanism are provided with an outer upright post 7 and an inner upright post 8, the first slide rail 5 is arranged on the outer upright post 7, the inner upright post 8 is provided with a second slide rail 6, and the direction of the groove of the second slide rail 6 is opposite to the direction of the groove of the first slide rail 5. The middle door roller 11 and the lower door roller 21 are respectively installed on two sides of the middle door 1 and the lower door 2, and the middle door roller 11 and the lower door roller 21 are respectively matched with the first sliding rail 5 and the second sliding rail 6, so that the middle door 1 and the lower door 2 move along the groove tracks of the first sliding rail 5 and the second sliding rail 6. The length of the straight portion 52 of the first slide rail 5 is twice the distance from the stop position of the second slide rail 6 to the center of the wheel disc of the movable pulley 43b, and because of the length relationship, the movable pulley 43b and the fixed pulley 43a are displaced, the middle door 1 and the lower door 2 can reach the stop position at the same time.

Since the middle door link 41 and the lower door link 42 are simultaneously connected to the clockwork spring 31, when the clockwork spring 31 contracts, the middle door link 41 and the lower door link 42 move equally, but since the lower door 2 uses the fixed pulley 43a, the lower door 2 moves by a distance equal to the moving distance of the lower door link 42, and the middle door 1 uses the movable pulley 43b, the middle door 1 moves by a distance half of the moving distance of the lower door link 42, and since the length of the straight portion 52 of the first slide rail 5 is twice the distance from the stopping position of the second slide rail 6 to the center of the wheel of the movable pulley 43b, the lower door 2 and the middle door 1 can simultaneously reach the stopping position.

The middle door roller 11 and the lower door roller 21 both include a parallel direction roller 100 and a vertical direction roller 200, the end surface of the parallel direction roller 100 is parallel to the inner wall surfaces of both sides of the cabinet door lifting mechanism, and the end surface of the vertical direction roller 200 is perpendicular to the end surface of the parallel direction roller 100 and is also parallel to the inner wall surfaces of both sides of the cabinet door lifting mechanism. The rolling directions of the parallel direction roller 100 and the vertical direction roller 200 are both the up-down direction, wherein the parallel direction roller 100 of the middle door roller 11 and the parallel direction roller 100 of the lower door roller 21 are respectively matched with the groove of the first slide rail 5 and the groove of the second slide rail 6.

Preferably, the lower door roller 21 may be divided into a lower door upper roller 21a and a lower door lower roller 21b, wherein the movable end of the lower door link 42 is fixed to the lower door upper roller 21 a. The middle door roller 11 may be divided into a middle door upper roller 11a and a middle door lower roller 11 b.

Because the middle door roller 11 and the lower door roller 21 both include the parallel direction roller 100 and the vertical direction roller 200, and the rolling directions of the parallel direction roller 100 and the vertical direction roller 200 are both the up-down direction, in the up-down movement process of the middle door 1 and the lower door 2, the parallel direction roller 100 and the vertical direction roller 200 better limit the movement directions of the middle door 1 and the lower door 2, so that the middle door 1 and the lower door 2 run smoothly.

Referring to fig. 10 and 11, the detent groove 51 extends from a position away from the lower door 2 toward the lower door 2 while being bent upward to form a circular arc portion 51a, and a rear portion of the detent groove 51 extends upward all the way to form a straight portion 52, and the circular arc portion 51a and the straight portion 52 of the detent groove 51 together constitute the first slide rail 5. The outer side surface of the lower door 2 has a strip-shaped protrusion 22, and the strip-shaped protrusion 22 is used for pulling the lower door 2 to be away from the limitation of the arc part 51a of the blocking groove 51.

The utility model discloses use mechanical control to realize the switch of cabinet door, there is not electrical control part, consequently avoided because of the bad consequence that the circumstances such as circuit is impaired, procedure error or have a power failure brought, have the advantage that control is reliable.

Referring to fig. 11, the utility model discloses cabinet that the second embodiment provided, its characterized in that, including as above arbitrary cabinet door elevating system, still include the cabinet body 10 and upper door 9, well door 1 and lower door 2 are installed at the lateral surface of the cabinet body 10 to cover the cavity of the cabinet body 10, the cabinet body 10 left and right both sides all are equipped with outer column 7 and inner column 8, power component 3 is installed on the bottom inner wall of the cabinet body 10, fixed pulley 43a is located the upper portion of the cabinet body 10. The upper door 9 of this embodiment adopts ordinary vertical hinged door, because the upper door 9 is higher, the vertical hinged door can not occupy user's activity space. In different embodiments, the upper door 9 may also be a vertically opening flap door, a sliding door or a folding door that moves along a rail, or the like.

The utility model discloses second embodiment cabinet's beneficial effect as follows:

the lower door 2 is connected to the power unit 3 through the lower door connecting member 42 and the fixed pulley 43a, and the lower door 2 is continuously pulled upward by the elasticity of the power unit 3, but the lower door 2 cannot be automatically moved upward due to the frictional force of the catching groove 51 since the lower door roller 21 is positioned in the catching groove 51. When a user wants to open the lower door 2 and the middle door 1, the lower door 2 can be separated from the clamping groove 51 by applying a transverse force to the lower door 2, the lower door 2 is pulled to move upwards under the action of the elastic force of the power part 3, the deformation of the clockwork spring 31 is reduced and the clockwork spring 31 starts to contract, and under the influence of the length reduction of the clockwork spring 31, the clockwork spring 31 starts to pull the movable pulley 43b of the middle door 1 to move upwards and drives the middle door 1 to move upwards together with the lower door 2. When the user needs to close the door, the user only needs to pull the lower door 2 downwards from the upper part with a little force and push the lower door 2 back to the corresponding position of the blocking groove 51, at this time, the clockwork spring 31 will be stretched, and the middle door 1 will automatically descend under the action of gravity until the cavity of the cabinet 10 is completely covered. Therefore, the utility model discloses can follow the vertical direction and open two-layer cabinet door simultaneously, avoid the cabinet door side to open and occupy user's activity space, the cabinet door can semi-automatic lift simultaneously, and is laborsaving to carry the effect.

Since the middle door link 41 and the lower door link 42 are simultaneously connected to the clockwork spring 31, when the clockwork spring 31 contracts, the middle door link 41 and the lower door link 42 also contract equally, but since the lower door 2 uses the fixed pulley 43a, the moving distance of the lower door 2 is equal to the moving distance of the lower door link 42, and the middle door 1 uses the movable pulley 43b, the moving distance of the middle door 1 is half of the moving distance of the lower door link 42, so the moving speed of the lower door 2 is twice as fast as that of the middle door 1, and since the length of the straight portion 52 of the first slide rail 5 is just twice as fast as that of the stopping position of the second slide rail 6 to the center of the wheel of the movable pulley 43b, the time for the lower door 2 and the middle door 1 to simultaneously reach the stopping position is the same, that is, the lower door 2 and the middle door 1 simultaneously reach the stopping position.

Because the middle door roller 11 and the lower door roller 21 both comprise the parallel direction roller 100 and the vertical direction roller 200, and the rolling directions of the parallel direction roller 100 and the vertical direction roller 200 are both the up-down direction, in the up-down movement process of the middle door 1 and the lower door 2, the parallel direction roller 100 and the vertical direction roller 200 jointly act on the movement of the middle door 1 and the lower door 2, so that the movement directions of the middle door 1 and the lower door 2 are well limited, and the middle door 1 and the lower door 2 can run smoothly.

The utility model discloses the second embodiment uses mechanical control to realize the switch of cabinet door, need not the participation of automatically controlled part, has consequently avoided because of the bad consequence that the circumstances such as circuit is impaired, procedure error or power failure brought, has the advantage that control is reliable.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.

Claims (9)

1. The cabinet door lifting mechanism is used for driving the middle door and the lower door to lift so as to realize opening and closing of a cabinet door, and is characterized by comprising a power part and a linkage unit, wherein the linkage unit comprises a middle door connecting piece, a lower door connecting piece and a transmission assembly;

the movable end of the middle door connecting piece rounds the fixed pulley, rounds the bottom of the movable pulley downwards and extends upwards, and the tail end of the middle door connecting piece is fixed at the top of the cabinet door lifting mechanism; the movable end of the lower door connecting piece penetrates through the fixed pulley and vertically winds downwards, and the tail end of the lower door connecting piece is fixed on the lower door;

the cabinet door lifting mechanism further comprises first slide rails, the first slide rails are located on two sides of the lower door, a first section of each first slide rail is provided with a clamping groove, and the clamping grooves can limit vertical upward movement of the lower door.

2. The cabinet door lifting mechanism according to claim 1, wherein the power member comprises a spring and a winding shaft, one end of the spring is fixed on the winding shaft, and the other end of the spring is connected to the middle door connecting member and the lower door connecting member, respectively.

3. The cabinet door lifting mechanism according to claim 1, wherein the cabinet door lifting mechanism has an outer column and an inner column on the left and right sides thereof, the first slide rail is provided on the outer column, the inner column is provided with a second slide rail, and the groove of the second slide rail faces in a direction opposite to the groove of the first slide rail.

4. The cabinet door lifting mechanism according to claim 3, further comprising a middle door roller and a lower door roller, wherein the middle door roller and the lower door roller are respectively mounted on two sides of the middle door and the lower door, and the middle door roller and the lower door roller are respectively engaged with the first slide rail and the second slide rail, so that the middle door and the lower door respectively move along the groove tracks of the first slide rail and the second slide rail.

5. The cabinet door lifting mechanism according to claim 1, wherein the locking groove extends from a position away from the lower door toward the lower door and is bent upward to form a circular arc portion, a tail portion of the locking groove extends upward to form a straight portion, and the circular arc portion and the straight portion of the locking groove together form the first slide rail.

6. The cabinet door lifting mechanism according to claim 3, wherein the straight portion of the first slide rail has a length twice a distance from the stop position of the second slide rail to the center of the movable pulley sheave.

7. The cabinet door lifting mechanism according to claim 4, wherein the middle door roller and the lower door roller each comprise a parallel direction roller and a perpendicular direction roller, end surfaces of the parallel direction rollers are parallel to inner wall surfaces of two sides of the cabinet door lifting mechanism, end surfaces of the perpendicular direction rollers are perpendicular to end surfaces of the parallel direction rollers, rolling directions of the parallel direction rollers and the perpendicular direction rollers are both vertical directions, and the parallel direction rollers of the middle door roller and the parallel direction rollers of the lower door roller are respectively matched with the grooves of the first slide rail and the grooves of the second slide rail.

8. The cabinet door lifting mechanism according to claim 1, wherein the outer side surface of the lower door has a strip-shaped protrusion for pulling the lower door to be out of the limit of the arc portion of the detent groove.

9. The cabinet is characterized by comprising the cabinet door lifting mechanism as claimed in any one of claims 1 to 8, and further comprising a cabinet body and an upper door, wherein the upper door, the middle door and the lower door are mounted on the outer side surface of the cabinet body so as to cover the cavity of the cabinet body, outer columns and inner columns are arranged on the left side and the right side of the cabinet door lifting mechanism, second slide rails are arranged on the inner columns, the power part is mounted on the inner wall of the bottom of the cabinet body, the fixed pulley is positioned on the upper portion of the cabinet body, and the first slide rails and the second slide rails are positioned on the two sides of the cabinet body.

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