CN218480425U - Sucker structure - Google Patents

Abstract

The embodiment of the utility model discloses a sucker structure for example includes spacing shell, spacing shell is including communicating first opening and second opening, spacing shell is equipped with first spacing face in the second opening, first spacing face is close to the second opening with the first opening junction; the chassis shaft penetrates through the first opening and the second opening; sucking disc spare, sucking disc spare includes the flexible glue bottom plate and sets up the spacing convex part of flexible glue bottom plate one side, sucking disc spare is close to the second opening sets up, spacing convex part is connected the chassis axle, sucking disc spare moves towards under external drive when first opening is tensile, spacing convex part orientation first spacing face extends and is close to or supports and lean on first spacing face. The embodiment of the utility model provides a through the structure of improving sucking disc spare and spacing shell, make the sucking disc difficult production rock under the vibration environment, improved the practicality.

Description

Sucker structure

Technical Field

The utility model relates to a sucking disc technical field especially relates to a sucker structure.

Background

The sucking disc is a device which is fixed on other objects by utilizing suction force, and can be applied to various fields and scenes, for example, a vehicle-mounted mobile phone support is fixed on a center console of an automobile through the sucking disc, so that a driver can conveniently place a mobile phone in driving. However, the sucker in the existing vehicle-mounted mobile phone support has the problem that the mobile phone is prone to falling due to the fact that the sucker is not firmly adsorbed. To this end, for example, this applicant's prior application, chinese utility model patent "sucking disc" with publication number CN216519135U, through setting up mount pad, draw bar assembly and deformation piece in the application embodiment, wherein, set up the extrusion convex part on mount pad and deformation piece matched with face, set up the recess in the corresponding position of deformation piece, and divide into first region and second region with the deformation piece, first region is located the inside in second region, the extrusion convex part is inserted and is located the recess, thereby make under lock status, draw bar assembly can drive the first region part of deformation piece along first direction deformation motion, and the part in second region can not follow first direction and take place the motion, thereby promote adsorption stability, thereby better improvement current sucking disc breaks away from the adsorption plane easily, lead to the problem that the cell-phone dropped.

However, for example, in a use scene such as vibration, when the sucker is in an adsorption state, the deformation chassis is firmly adsorbed on a target surface, and the distance between the part of the deformation piece stretched into the installation seat and the corresponding inner side surface of the installation seat is large, so that the part of the deformation piece in the installation seat is easily deformed due to external vibration, and the deformation piece and the installation seat are easily shaken relatively in environments such as vibration.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a pair of sucker structure through the range of can stretching of restriction sucking disc spare in spacing shell, reduces rocking that the sucking disc produced by environmental impact in adsorbing, has promoted the use experience of sucking disc.

Specifically, the embodiment of the utility model provides a pair of sucker structure, include: the limiting shell comprises a first opening and a second opening which are communicated, a first limiting surface is arranged in the second opening of the limiting shell, and the first limiting surface is close to the joint of the second opening and the first opening; the chassis shaft penetrates through the first opening and the second opening; sucking disc spare, sucking disc spare includes the flexible glue bottom plate and sets up the spacing convex part of flexible glue bottom plate one side, sucking disc spare is close to the second opening sets up, spacing convex part is connected the chassis axle, sucking disc spare moves towards under external drive when first opening is tensile, spacing convex part orientation first spacing face extends and is close to or supports and lean on first spacing face.

In an embodiment of the present invention, the limiting shell further has a second limiting surface disposed in the second opening, the first limiting surface is adjacent to the second limiting surface, the second limiting surface surrounds the second opening inner side surface, a ratio of a linear distance between two opposite sides of the second limiting surface and a linear distance between two opposite sides of the second limiting surface in the limiting convex portion ranges from 0.55 to 0.85.

In an embodiment of the present invention, the limit protrusion is disposed opposite to the first limit surface, and the cross-sectional width of the flexible glue bottom plate is greater than the linear distance between the two opposite sides of the second limit surface;

in an embodiment of the present invention, the chassis shaft includes a connecting portion and a chassis, the chassis is connected to one end of the connecting portion, the connecting portion is inserted into the first opening and extends out of the limiting shell, and the chassis extends to the second opening and is connected to the limiting convex portion.

In an embodiment of the present invention, an accommodating cavity is disposed in the limiting convex portion, and the chassis is embedded in the accommodating cavity; the chassis is provided with an anti-rotation hole; the accommodating cavity is internally provided with an anti-rotation column which is sleeved in the anti-rotation hole.

In an embodiment of the present invention, a ratio of a linear distance between opposite sides of the second limiting surface facing the limiting convex portion and a linear distance between opposite sides of the second limiting surface is 0.7.

The utility model discloses an embodiment, the sucker structure still includes the sucking disc casing, the sucking disc casing is connected spacing shell, be equipped with the third opening on the sucking disc casing, the third opening is close to first opening and intercommunication first opening, the chassis axle is kept away from the one end of spacing shell is worn to locate in the third opening, and extend to the sucking disc casing is kept away from one side of spacing shell.

The utility model discloses an embodiment, sucker structure still includes spanner piece, spanner piece is located the sucking disc casing is kept away from one side of sucking disc piece, be provided with the hinge hole on the spanner piece, spanner piece passes through the hinge hole articulates the chassis axle extends to the one end of sucking disc casing, spanner piece can drive the chassis axle is relative to spacing shell motion.

In an embodiment of the present invention, a first rotation-preventing surface is disposed on the side wall of the third opening, and a second rotation-preventing surface is disposed on the connecting portion of the chassis shaft, wherein the first rotation-preventing surface and the second rotation-preventing surface are disposed correspondingly.

The utility model discloses an embodiment, still include flexible subassembly and connecting piece, flexible subassembly passes through the connecting piece is connected the sucking disc casing, flexible subassembly can wind the connecting piece is relative the sucking disc casing rotates.

The above technical solution may have one or more of the following advantages: the embodiment of the utility model provides a through setting up spacing shell and sucking disc spare, be equipped with the opening in the spacing shell, be equipped with first spacing face in the opening, sucking disc spare is connected the chassis axle and is located opening one end, sucking disc spare can be by the chassis axle is towards the tensile absorption of opening direction, and sucking disc spare extends towards first spacing face and is close to or supports and lean on first spacing face this moment, and then reduces the rocking between sucking disc spare and the spacing shell, thereby makes spacing shell be difficult to rock under the circumstances such as vibration and influence the user and use; in addition, the ratio range of the cross section width of the limiting convex part to the cross section width of the cavity where the limiting convex part is located is limited to be 0.55-0.85, so that the acting force in the sucking disc part is not too large or too small, the pulling force of the chassis shaft is proper, and a user can conveniently pull the chassis shaft to adsorb; in addition, through set up rotatable spanner spare on the chassis axle, set up on the spanner spare and rotate two conflict faces that the axle center distance is different, rotate through spanner spare and different conflict faces tighten up or loosen the sucking disc spare forms the auto-lock when adsorbing, and convenience of customers uses, has increased sucking disc structure's practicality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a suction cup structure according to an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional structure view of the chuck structure shown in fig. 1.

Fig. 3 is an exploded view of the limiting case, the chassis shaft and the sucking disc member of the sucking disc structure shown in fig. 2.

Fig. 4 is a partially exploded view of the chuck structure shown in fig. 2.

FIG. 5 is another cross-sectional structural view of the chuck structure shown in FIG. 4.

Fig. 6a is a schematic cross-sectional view of the suction cup structure shown in fig. 4 in an open-close state.

Fig. 6b is a schematic cross-sectional structural view of the suction cup structure shown in fig. 4 in a suction state.

Fig. 7 is a schematic structural view of the key member in the suction cup structure shown in fig. 4.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Specific structural and functional details disclosed herein are merely representative and are provided for purposes of describing example embodiments of the present invention. The invention may, however, be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the present embodiment provides a suction cup structure 1. The sucker structure 1 comprises a sucker member 10, a chassis shaft 20 and a limiting shell 30. The sucker 10 has a circular structure, and the sucker 10 is an elastic soft rubber part such as rubber. The stopper case 30 is disposed adjacent to the suction cup 10. Preferably, the limiting shell 30 is, for example, a circular ring-shaped shell with a central opening, and is coaxially disposed with the chuck element 10, and one end of the chuck element 10 extends into the accommodating space inside the limiting shell 30 and is connected with the chassis shaft 20. The chassis shaft 20 is, for example, a cylindrical structure provided with a disc base, the chassis shaft 20 is inserted into the central opening of the limiting shell 30, and the disc base end of the chassis shaft 20 is connected to the sucker 10. The two opposite ends of the accommodating space in the limiting shell 30 are respectively communicated with the outside, one end, away from the limiting shell 30, of the sucker 10 can be in contact with a target object, a user can drive the chassis shaft 20 to move in the limiting shell 30 and drive the sucker 10 to move along with the chassis shaft 20, so that the sucker 10 is tightened towards the limiting shell 30 and deformed, and the sucker 10 is adsorbed on the target object.

Specifically, as shown in fig. 3 and 4, the limiting shell 30 includes a first opening 31 and a second opening 32 that are communicated with each other, the first opening 31 is communicated with the second opening 32, the first opening 31 and the second opening 32 are circular openings, for example, and the first opening 31 and the second opening 32 are coaxially arranged, the first opening 31 and the second opening 32 are both communicated with the outside, and the inside of the opening is used for accommodating the chuck element 10 and the chassis shaft 20. The position limiting shell 30 is provided with a first position limiting surface 311 in the second opening 32, and the first position limiting surface 311 is adjacent to the joint of the second opening 32 and the first opening 31. The sucker 10 comprises a soft rubber bottom plate 11 and a limiting convex part 12 arranged on one side of the soft rubber bottom plate 11, the soft rubber bottom plate 11 is positioned at the second opening 32 of the limiting shell 30, and the limiting convex part 12 faces the limiting shell 30 and extends into the second opening 32. The chassis shaft 20 is inserted into the first opening 31, one end of the chassis shaft 20 extends into the second opening 32 and is connected to the limiting protrusion 12, and a gap exists between the chassis shaft 20 and the first opening 31, for example, so that the chassis shaft 20 can move relatively in the first opening 31. Sucking disc spare 10 includes flexible glue bottom plate 11 and sets up spacing convex part 12 of flexible glue bottom plate 11 one side, sucking disc spare 10 is close to second opening 32 sets up, spacing convex part 12 is connected chassis axle 20, sucking disc spare 10 orientation under the exogenic drive during first opening 31 is tensile, spacing convex part 12 orientation first spacing face 311 extends and is close to or supports and lean on first spacing face 311, and then reduce sucking disc spare 10 with rock between the spacing shell 30.

Further, as shown in fig. 3, 4, and 5, the limiting shell 30 is further provided with a second limiting surface 312 in the second opening 32, the first limiting surface 311 is adjacent to the second limiting surface 312, the second limiting surface 312 is disposed around the inner side surface of the second opening 32, a ratio range of a linear distance W1 between two opposite sides of the limiting convex portion 12 facing the second limiting surface 312 and a linear distance W2 between two opposite sides of the second limiting surface 312 is 0.55 to 0.85, at this time, when the chuck 10 is stretched towards the inside of the second opening 32 and deformed, an internal acting force of the chuck 10 is not too large or too small, when a user pulls the chuck shaft 20 to drive the chuck 10 to be adsorbed, a required pulling force is not too large, so that the user can pull the chuck shaft 20 to be adsorbed. In another embodiment of this embodiment, the ratio of the linear distance W1 between the two opposite sides of the convex stopper 12 facing the second stopper surface 312 to the linear distance W2 between the two opposite sides of the second stopper surface 312 is 0.7, and the tension of the chassis shaft 20 is most suitable. The limit convex part 12 is opposite to the first limit surface 311, and the cross-sectional width W3 of the soft rubber bottom plate 11 is greater than the linear distance W2 between the two opposite sides of the second limit surface 312, so that the soft rubber bottom plate 11 is abutted against the second opening 32 of the limit shell 30 in the stretching and adsorbing process, and deforms along with stretching to adsorb.

Further, as shown in fig. 4 and 5, the chassis shaft 20 includes a connecting portion 21 and a chassis 22, the chassis 22 is connected to one end of the connecting portion 21, the connecting portion 21 is inserted into the first opening 31 and extends out of the first opening 31 of the limiting shell 30, the chassis 22 extends into the second opening 32 and is connected to the limiting protrusion 12, wherein the connecting portion 21 is, for example, a cylindrical connecting portion 21, and the chassis 22 is, for example, a disc-shaped chassis 22. An accommodating cavity 121 is formed in the limiting convex part 12, the size of the accommodating cavity 121 corresponds to that of the chassis 22, and the chassis 22 is embedded in the accommodating cavity 121. Furthermore, an anti-rotation hole 221 is formed in the chassis 22, an anti-rotation column 122 is arranged in the accommodating cavity 121, the anti-rotation column 122 is multiple, the anti-rotation column 122 and the anti-rotation hole 221 are in one-to-one correspondence, the anti-rotation column 23 is sleeved in the anti-rotation hole 221 and is matched with the anti-rotation hole 221, and therefore the chassis shaft 20 and the suction cup piece 10 are prevented from rotating relatively.

The utility model discloses an embodiment, sucking disc spare 10 still is equipped with the backing plate, the backing plate subsides are established sucking disc spare 10 is kept away from one side of spacing convex part 11, the backing plate is for example the disc cushion of rubber material, the backing plate is kept away from one side of spacing convex part 11 is the plane to be used for contacting other objects and adsorb on other objects through user operation, just the backing plate makes through adopting the material that the adsorption affinity is bigger sucking disc spare 10's adsorption affinity is stronger.

In an embodiment of the present invention, as shown in fig. 4, the suction cup structure 1 further includes a suction cup housing 40, the suction cup housing 40 is provided with a circular shell surface at one end, for example, the suction cup housing 40 is connected to the first end 31 of the limiting shell 30. The suction cup housing 40 has a receiving space in the center, and the receiving space extends from the housing on the two opposite sides to the direction away from the first end 31. The suction cup shell 40 is provided with a third opening 41, the third opening 41 corresponds to the first opening 31, the third opening 41 is disposed at a side close to the first end 31 in the accommodating space, for example, one end of the suction cup shaft 20 far away from the limiting shell 30 penetrates through the third opening 41 and extends to a side of the suction cup shell 40 far away from the suction cup piece 10. The side wall of the third opening 41 is provided with a first anti-rotation surface 411, one end of the chassis shaft 20, which is far away from the sucker 10, is provided with a second anti-rotation surface 211, and the first anti-rotation surface 411 and the second anti-rotation surface 211 are correspondingly arranged. The first rotation preventing surface 411 and the second rotation preventing surface 211 are, for example, both planes correspondingly arranged in the same direction, wherein the third opening 41 is, for example, a circular opening, the first rotation preventing surface 411 is, for example, a plane protruding toward the axial center direction, the connecting portion 21 on the chassis shaft 20 is, for example, a cylindrical shaft body, and the second rotation preventing surface 211 is, for example, a plane recessed toward the axial center direction, so that the connecting portion 21 can pass through the third opening 41, and the connecting portion 21 cannot relatively rotate in the third opening 41.

Further, as shown in fig. 4 and 7, the suction cup structure 1 further includes a wrench element 50, the wrench element 50 is located on a side of the suction cup housing 40 away from the suction cup element 10, the wrench element 50 is hinged to an end of the suction cup shaft 20 extending to a side of the suction cup housing 40 away from the suction cup element 10, and the wrench element 50 is disposed in a receiving space on the suction cup housing 40, for example. The key element 50 comprises, for example, a pressing part and an anti-rotation part provided with two symmetrically arranged extensions, between which a gap is present for hinging the chassis shaft 20.

Further, as shown in fig. 6a, fig. 6b, and fig. 7, a hinge hole 51 is provided on the key element 50, the key element 50 is hinged on the chassis shaft 20 through the hinge hole 51, and the key element 50 can rotate around the hinge hole 51. The wrench 50 is further provided with a first abutting surface 52 and a second abutting surface 53, and the first abutting surface 52 and the second abutting surface 53 are both disposed on two extending portions of the wrench 50. For example, a transition surface is disposed between the first interference surface 52 and the second interference surface 53, and the first interference surface 52 and the second interference surface 53 may respectively face the third opening 41 along with the rotation of the wrench 50. The difference between the second straight distance from the second interference surface 53 to the center of the hinge hole 51 and the first straight distance from the first interference surface 52 to the center of the hinge hole 51 is greater than or equal to the difference between the height of the cross section of the second opening 32 and the height of the protruding part of the limiting convex part 12. Wherein, first conflict 52 with second conflict 53 is for example the plane, works as spanner 50 is pressed by the user and is taken place to rotate, second conflict 53 is owing to spanner 50 winds hinge hole 51 rotates and rotates, second conflict 53 with sucking disc casing 40 third opening 41 one side plane butt forms the auto-lock, thereby makes chassis axle 20 move towards sucking disc casing 40 direction, sucking disc spare 10 produces deformation, and then adsorbs on acting on the object.

In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the suction cup structure 1 further includes a telescopic assembly 60 and a connecting member 70, the telescopic assembly 60 is, for example, an embedded two-segment structure, the telescopic assembly includes, for example, a first telescopic member 61, a second telescopic member 62 and a positioning member 63, the first telescopic member 61 is disposed in the second telescopic member 62, the positioning member 63 is connected to the second telescopic member 62 and can be abutted on the first telescopic member 61, and the positioning member 63 can fix or release the stretching and contracting of the first telescopic member 61 through a threaded connection. The telescopic assembly 60 passes through the connecting piece 70 is connected sucking disc casing 40, the connecting piece 70 is for example threaded connection spare, telescopic assembly 60 passes through the connecting piece 70 is connected sucking disc casing 40, sucking disc casing 40 is kept away from outside extension of spacing shell 30 one side and swing joint telescopic assembly 60, telescopic assembly 60 can wind the connecting piece 70 is relative sucking disc casing 40 rotates, and passes through connecting piece 70 is fixed or adjusts rotation angle, so that the user uses, makes sucking disc structure 1 can be applied to multiple use scene. The end of the telescopic assembly 60 away from the suction cup housing 40 is further provided with a spherical connector, so that the user can connect the suction cup structure 1 with other devices.

To sum up, the embodiment of the present invention provides a limiting shell and a sucker, wherein an opening is arranged in the limiting shell, a first limiting surface is arranged in the opening, the sucker is connected to the chassis shaft and located at one end of the opening, the sucker can be drawn by the chassis shaft towards the opening direction for adsorption, and at this time, the sucker extends towards the first limiting surface and is close to or abutted against the first limiting surface, so as to reduce the shaking between the sucker and the limiting shell, and thus the limiting shell is not easy to shake under the conditions of vibration and the like to affect the use of a user; in addition, the ratio range of the section width of the limiting convex part to the section width of the cavity where the limiting convex part is located is limited to be 0.55-0.85, so that the acting force in the sucking disc part is not too large or too small, the pulling force of the chassis shaft is proper, and a user can pull the chassis shaft for adsorption conveniently; in addition, through set up rotatable spanner spare on the chassis axle, set up on the spanner spare and rotate two conflict faces that the axle center distance is different, rotate through spanner spare and different conflict faces tighten up or loosen the sucking disc spare forms the auto-lock when adsorbing, and convenience of customers uses, has increased sucking disc structure's practicality.

In addition, it should be understood that the foregoing embodiments are only exemplary illustrations of the present invention, and the technical solutions of the embodiments can be arbitrarily combined and collocated without conflicting technical features and structures and without violating the purpose of the present invention.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and the actual implementation may have another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A suction cup structure, comprising:

the limiting shell comprises a first opening and a second opening which are communicated, a first limiting surface is arranged in the second opening of the limiting shell, and the first limiting surface is adjacent to the joint of the second opening and the first opening;

the chassis shaft penetrates through the first opening and the second opening;

sucking disc spare, sucking disc spare includes the flexible glue bottom plate and sets up the spacing convex part of flexible glue bottom plate one side, sucking disc spare is close to the second opening sets up, spacing convex part is connected the chassis axle, sucking disc spare moves towards under external drive when first opening is tensile, spacing convex part orientation first spacing face extends and is close to or supports and lean on first spacing face.

2. The suction cup structure of claim 1, wherein the retaining shell further comprises a second retaining surface disposed within the second opening, the first retaining surface is adjacent to the second retaining surface, the second retaining surface is disposed around the inner side of the second opening, and a ratio of a linear distance between two opposite sides of the retaining protrusion facing the second retaining surface to a linear distance between two opposite sides of the second retaining surface is in a range of 0.55 to 0.85.

3. The suction cup structure of claim 2, wherein the limit protrusion is opposite to the first limit surface, and the cross-sectional width of the soft rubber bottom plate is greater than the linear distance between the two opposite sides of the second limit surface.

4. The suction cup structure of claim 2, wherein the base plate shaft comprises a connecting portion and a base plate, the base plate is connected to one end of the connecting portion, the connecting portion is inserted into the first opening and extends out of the limiting shell, and the base plate extends to the second opening and is connected to the limiting protrusion.

5. The structure of claim 2, wherein the limiting protrusion has a receiving cavity therein, and the bottom plate is embedded in the receiving cavity; the chassis is provided with an anti-rotation hole; the accommodating cavity is internally provided with an anti-rotation column which is sleeved in the anti-rotation hole.

6. The suction cup structure of claim 2, wherein a ratio of a linear distance between opposite sides of the stopper protrusion facing the second stopper surface to a linear distance between opposite sides of the second stopper surface is 0.7.

7. The suction cup structure according to any one of claims 1 to 6, further comprising a suction cup housing, wherein the suction cup housing is connected to the limiting shell, a third opening is provided on the suction cup housing, the third opening is adjacent to and communicated with the first opening, one end of the bottom plate shaft, which is far away from the limiting shell, is inserted into the third opening and extends to one side of the suction cup housing, which is far away from the limiting shell.

8. The suction cup structure according to claim 7, further comprising a wrench member, the wrench member is located on a side of the suction cup housing away from the suction cup member, the wrench member is provided with a hinge hole, the wrench member is hinged to an end of the chassis shaft extending to the suction cup housing through the hinge hole, and the wrench member can drive the chassis shaft to move relative to the limiting shell.

9. The suction cup structure of claim 8, wherein a first anti-rotation surface is disposed on a sidewall of the third opening, and a second anti-rotation surface is disposed on the base shaft, the first anti-rotation surface and the second anti-rotation surface being disposed correspondingly.

10. The suction cup structure of claim 9, further comprising a telescoping assembly and a connector, wherein the telescoping assembly is connected to the suction cup housing via the connector, and wherein the telescoping assembly is rotatable about the connector relative to the suction cup housing.

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