CN220792150U - Single sliding sleeve constant temperature valve core - Google Patents

Single sliding sleeve constant temperature valve core Download PDF

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Publication number
CN220792150U
CN220792150U CN202322327151.5U CN202322327151U CN220792150U CN 220792150 U CN220792150 U CN 220792150U CN 202322327151 U CN202322327151 U CN 202322327151U CN 220792150 U CN220792150 U CN 220792150U
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China
Prior art keywords
sliding sleeve
opening
inner sliding
extrusion part
sleeve
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CN202322327151.5U
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Chinese (zh)
Inventor
陈绿林
李传贺
金阳水
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Shanghai Yj Cartridge Co ltd
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Shanghai Yj Cartridge Co ltd
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Abstract

The utility model relates to the technical field of valve cores, in particular to a single sliding sleeve constant temperature valve core, wherein a first opening and/or a second opening are/is protruded towards the direction in a valve cavity to form a first extrusion part; the inner sliding sleeve is provided with a second extrusion part; a water passing hole is formed between the first extrusion part and the second extrusion part; when the inner sliding sleeve moves back and forth along the axial direction of the valve cavity, the first extrusion part moves close to or far away from the second extrusion part; according to the method, the step of arranging the water passing Kong Zheyi on the inner sliding sleeve is omitted, so that on one hand, the process can be simplified, the accuracy of arranging the water passing holes on the inner sliding sleeve is not required to be measured, on the other hand, the stability of the inner sliding sleeve can be improved, and the problem that the inner sliding sleeve is easy to deform due to the arrangement of the water passing holes is avoided; through protruding first extrusion portion and the second extrusion portion of setting up on well valve body and interior sliding sleeve, the impact of outside rivers that can be better is resisted, and then avoids appearing the condition of deformation.

Description

Single sliding sleeve constant temperature valve core
Technical Field
The utility model relates to the technical field of valve cores, in particular to a single sliding sleeve constant temperature valve core.
Background
The existing constant temperature valve core comprises a valve core body and an inner sliding sleeve arranged in the valve core body, wherein the inner sliding sleeve can reciprocate along the axial direction of the valve core body, a first opening and a second opening are formed in the valve core body and are respectively used for passing cold water and hot water, and the inner sliding sleeve can correspondingly open or close the first opening and the second opening in the process of moving along the axial direction of the valve core body.
Chinese patent CN218152477U discloses a single sliding sleeve thermostatic valve core, a cold water inlet and a hot water inlet (i.e. a first opening and a second opening) are provided on an inner sliding sleeve, and specifically discloses an inner sliding sleeve with two structures, one of which is provided with a first water passing hole on the inner sliding sleeve, the first water passing hole corresponds to the cold water inlet or the hot water inlet, and the other is provided with a second water passing hole and a third water passing hole on the inner sliding sleeve, the second water passing hole and the third water passing hole correspond to the hot water inlet and the cold water inlet respectively.
However, the inner sliding sleeve is provided with corresponding water passing holes for passing cold water and hot water, and at least the following problems exist:
1. the inner sliding sleeve is provided with a water hole with higher precision requirement and complex manufacturing process.
2. The water hole directly corresponds to the first opening or the second opening, so that when the water hole is communicated with the first opening or the second opening, external water flow directly impacts the water hole, and due to the arrangement of the water hole, the outer surface of the water hole of the inner sliding sleeve is easy to deform under the impact of the external water flow, even if the water hole is misplaced with the first opening or the second opening, the external water flow can enter the water hole along the outer surface of the deformed inner sliding sleeve, and the water leakage occurs inside the valve core through the water hole.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a single sliding sleeve constant temperature valve core.
In order to solve the technical problems, the utility model is solved by the following technical scheme:
a single sliding sleeve constant temperature valve core comprises a first extrusion part and a second extrusion part,
the first opening and/or the second opening are/is protruded towards the direction in the valve cavity to form the first extrusion part;
the second extrusion part is arranged on the inner sliding sleeve at a position corresponding to the first extrusion part;
a water passing hole is formed between the first extrusion part and the second extrusion part; when the inner sliding sleeve moves back and forth along the axial direction of the valve cavity, the first extrusion part moves close to or far away from the second extrusion part so as to realize the opening or closing of the water passing hole.
Preferably, the water passing hole is formed between the second pressing part and a side wall of the first pressing part, which is away from the first opening and/or the second opening.
Preferably, the second pressing part is detachably disposed on the inner sliding sleeve.
Preferably, the second pressing part includes a connection part and a protrusion part,
the connecting part is detachably arranged on the inner sliding sleeve;
one end of the protruding part is connected to the connecting part, and the water passing hole is formed between the other end of the protruding part and the first extrusion part.
Preferably, when the water passing hole is in an open state, the connecting portion corresponds to the first opening or the second opening.
Preferably, the diameter of the inner sleeve is smaller than the diameter of the valve cavity.
Preferably, the inner side wall of the valve cavity between the first opening and the second opening is sealed with the inner slide sleeve.
Preferably, a through hole is formed in the inner sliding sleeve on one side, far away from the first extrusion part, of the second extrusion part, and the through hole is connected with the water passing hole and the valve cavity.
Preferably, the inner sleeve at the side of the through hole far from the second extrusion part is sealed with the inner side wall of the valve cavity.
Preferably, the connecting part is connected to the inner sliding sleeve in a threaded manner.
The utility model has at least the following beneficial effects:
1. the water Kong Zheyi step of seting up on the inner sliding sleeve has been cancelled to this application, can simplify the technology on the one hand, need not to measure the precision that the water hole set up on the inner sliding sleeve, on the other hand can be corresponding the stability of improvement inner sliding sleeve, avoids because the seting up of water hole leads to the easy problem of deformation of inner sliding sleeve.
2. This application is through protruding first extrusion portion and the second extrusion portion that sets up on well valve body and interior sliding sleeve for well valve body adds first extrusion portion and interior sliding sleeve and adds second extrusion portion can have the thickness of preferred, thereby the impact of resistance outside rivers that can be preferred, and then avoid appearing the condition of deformation.
3. In-process that outside rivers entered into the valve pocket in this application has experienced cubic buffering altogether, the impact force of reduction outside rivers that can be better, and then the deformation of avoiding the water hole that can be better, and can avoid outside rivers direct impact valve pocket inside, and then avoid the strain of the inside part of valve pocket.
4. The impact force of rivers can be reduced through the cubic buffering before outside rivers get into the valve pocket is inside in this application to it is comparatively mild, even when making outside rivers get into the valve pocket inside, the rivers that get into the valve pocket inside from first water hole and second water hole can comparatively even mix.
Drawings
FIG. 1 is a cross-sectional view of a single sliding sleeve thermostatic cartridge of the present application;
fig. 2 is a partial enlarged view at a in fig. 1.
The names of the parts indicated by the numerical references in the drawings are as follows:
110. an upper valve body; 111. adjusting the handle; 112. a handle sleeve; 120. a middle valve body; 121. a first opening; 122. a second opening; 123. a first pressing part; 130. a lower valve body; 140. a valve cavity; 141. a return spring; 142. a thermosensitive element; 150. an inner sliding sleeve; 151. a mounting base; 152. a second pressing part; 153. a through hole; 210. a first water passing hole; 220. a second water passing hole; 230. a connection part; 240. a protruding portion; 250. a first rubber ring; 260. a second rubber ring; 270. a thread groove.
Detailed Description
For a further understanding of the present utility model, the present utility model will be described in detail with reference to the drawings and examples. It is to be understood that the examples are illustrative of the present utility model and are not intended to be limiting.
As shown in fig. 1-2, the present embodiment provides a single sliding sleeve thermostatic cartridge, which includes a first pressing portion 123 and a second pressing portion 152,
the first extrusion part 123 is formed at the first opening 121 and/or the second opening 122 to protrude toward the direction in the valve chamber 140;
the second pressing part 152 is provided on the inner slide 150 at a position corresponding to the first pressing part 123;
a water passing hole is formed between the first pressing part 123 and the second pressing part 152; when the inner sleeve 150 reciprocates along the axial direction of the valve chamber 140, the first pressing portion 123 moves close to or away from the second pressing portion 152, so as to open or close the water passing hole.
The single sliding sleeve constant temperature valve core in the embodiment specifically comprises an upper valve body 110, a middle valve body 120 and a lower valve body 130 which are fixedly connected in sequence, wherein an adjusting handle 111 with one end positioned in the upper valve body 110 is arranged at the upper valve body 110, and a handle sleeve 112 is arranged at one end of the adjusting handle 111 through threads; the valve cavity 140 is internally provided with a reset spring 141, an inner sliding sleeve 150 and a thermosensitive element 142, the inner ring of the inner sliding sleeve 150 is provided with a mounting seat 151, one end of the reset spring 141 is abutted against the handle sleeve 112, the other end of the reset spring 141 is abutted against the mounting seat 151, one end of the thermosensitive element 142 is abutted against one side of the mounting seat 151 far away from the reset spring 141, and the other end of the thermosensitive element 142 is abutted against the inner side wall of the lower valve body 130;
the staff rotates the adjusting handle 111 to enable the adjusting handle 111 and the handle sleeve 112 to rotate relatively, so that the position of the handle sleeve 112 in the valve core is adjusted, the handle sleeve 112 drives the inner sliding sleeve 150 to move, the water temperature is adjusted manually, a mixed water outlet is formed in the bottom of the lower valve body 130, and cold water and hot water entering the valve cavity 140 flow out from the mixed water outlet after being mixed;
further, the cold water and the hot water entering the valve cavity 140 are mixed and then contact with the heat sensitive element 142, so that the heat sensitive element 142 can drive the inner sliding sleeve 150 to move in the valve cavity 140 under the characteristic of thermal expansion and contraction of the heat sensitive element 142, and the water temperature can be adjusted.
In this embodiment, the middle valve body 120 is provided with a first opening 121 and a second opening 122, wherein a first extrusion part 123 is disposed on the middle valve body 120 at a position of the first opening 121 and/or the second opening 122, and the first extrusion part 123 protrudes toward the direction in the valve cavity 140; a second pressing part 152 is provided on the inner sliding sleeve 150 at a position corresponding to the first pressing part 123, wherein a gap between the second pressing part 152 and the first pressing part 123 forms a water passing hole; in use, external water flows through the first opening 121 and/or the second opening 122 into the corresponding water passing holes, and then into the valve chamber 140 through the water passing holes;
further, when the inner sliding sleeve 150 reciprocates along the axial direction of the valve cavity 140, the distance between the first extruding portion 123 and the second extruding portion 152 will change correspondingly, when the first extruding portion 123 and the second extruding portion 152 approach each other, the size of the water passing hole will decrease, when the first extruding portion 123 and the second extruding portion 152 move away from each other, the size of the water passing hole will increase, and further, when the first extruding portion 123 and the second extruding portion 152 press against each other, the size of the water passing hole will be closed, and the external water cannot enter the valve cavity 140.
It should be noted that, in the present embodiment, the step of forming the water Kong Zheyi on the inner sliding sleeve 150 is omitted, so that on one hand, the process can be simplified, the accuracy of forming the water hole on the inner sliding sleeve 150 is not required to be measured, on the other hand, the stability of the inner sliding sleeve 150 can be correspondingly improved, and the problem that the inner sliding sleeve 150 is easy to deform due to the formation of the water hole is avoided;
further, in this embodiment, the first extrusion portion 123 and the second extrusion portion 152 are protruded on the middle valve body 120 and the inner sliding sleeve 150, so that the middle valve body 120, the first extrusion portion 123 and the inner sliding sleeve 150, and the second extrusion portion 152 can have a better thickness, so that the impact of external water flow can be better resisted, and deformation can be avoided.
In actual production, the first pressing portion 123 may be provided only in the first opening 121 or the second opening 122, or the first pressing portion 123 may be provided in both the first opening 121 and the second opening 122; in the present embodiment, the first pressing part 123 is disposed at each of the first opening 121 and the second opening 122, and the first water passing hole 210 is formed between the first pressing part 123 and the second pressing part 152 at the first opening 121, and the second water passing hole 220 is formed between the first pressing part 123 and the second pressing part 152 at the second opening 122.
In this embodiment, the water passing hole is formed between the second pressing portion 152 and a sidewall of the first pressing portion 123 away from the first opening 121 and/or the second opening 122.
In the present embodiment, the first pressing portion 123 corresponding to the first opening 121 is provided on the side of the first opening 121 away from the second opening 122, and the first pressing portion 123 corresponding to the second opening 122 is provided on the side of the second opening 122 away from the first opening 121; further, a first water passing hole 210 and a second water passing hole 220 are formed between a side of the two second pressing parts 152 away from the first opening 121 and/or the second opening 122 and the corresponding first pressing part 123.
Taking the first opening 121 as an example, by the configuration in the present embodiment, in the practical use process, the external water flow first impacts the side wall of the inner sleeve 150 through the first opening 121, then enters between the first extrusion part 123 and the second extrusion part 152 through the gap between the inner sleeve 150 and the first extrusion part 123, that is, enters into the first water through hole 210, then enters into the valve cavity 140 through the gap between the second extrusion part 152 and the inner wall of the valve cavity 140, and the second opening 122 is treated in the same way.
It should be noted that, during the process of the external water flow entering the valve cavity 140, three times of buffering are totally experienced, the first time is that the external water flow directly impacts the inner sliding sleeve 150 through the first opening 121, the second time is that the external water flow impacts the second extrusion part 152 through the gap between the inner sliding sleeve 150 and the first extrusion part 123, and the third time is that the external water flow impacts the inner sidewall of the valve cavity 140 through the gap between the first extrusion part 123 and the second extrusion part 152; through three times of buffering of external water flow, the impact force of the external water flow can be reduced better, and further deformation of the water passing holes can be avoided better; further, the third buffering of the external water flow is achieved through the third direction changing of the external water flow, in this embodiment, the impact force of the external water flow can be reduced through the third direction changing buffering of the external water flow, and on the other hand, the external water flow can be prevented from directly impacting the valve cavity 140, so that the strain of the components in the valve cavity 140 is avoided.
In this embodiment, the second pressing portion 152 is detachably disposed on the inner sleeve 150.
In this embodiment, the second pressing portion 152 is detachably connected to the inner sliding sleeve 150, so that the installation and use are convenient, specifically, during the installation, the second pressing portion 152 corresponding to the first opening 121 or the second opening 122 may be first installed on the inner sliding sleeve 150, and then the other second pressing portion 152 and the inner sliding sleeve 150 may be respectively extended into the middle valve body 120 from two ends of the middle valve body 120 for assembly.
Further, since the second pressing portion 152 is detachably disposed, when the external water flow is buffered for the second time, the external water flow may impact the second pressing portion 152, and thus, after a long time use, the second pressing portion 152 may be detached for replacement, repair or maintenance.
In this embodiment, the second pressing portion 152 includes a connection portion 230 and a protrusion portion 240,
the connecting part 230 is detachably disposed on the inner sleeve 150;
one end of the protruding portion 240 is connected to the connecting portion 230, and the water passing hole is formed between the other end and the first pressing portion 123.
In this embodiment, the second extruding portion 152 specifically includes two parts, namely a connecting portion 230 and a protruding portion 240, wherein one end of the connecting portion 230 is fixedly connected with one end of the protruding portion 240, and in this embodiment, the connecting portion 230 and the protruding portion 240 are integrally formed; the connecting portion 230 is detachably connected with the inner sliding sleeve 150, and the other end of the protruding portion 240 is used for being matched with the first extruding portion 123 to form a water passing hole; further, in the present embodiment, the cross section of the second pressing portion 152 is L-shaped.
Through the construction in the present embodiment, the connection portion 230 and the inner sliding sleeve 150 are detachably connected, so that the second extrusion portion 152 can be preferably detachably connected to the inner sliding sleeve 150, thereby being convenient for installation and use;
further, since the external water flows are impacted to the second pressing part 152 when the external water flows are buffered for the second time, the second pressing part 152 can be removed for replacement, repair or maintenance after long-term use.
Specifically, in the present embodiment, only the second pressing portion 152 provided at the first opening 121 is detachably connected to the inner slide 150, that is, the connecting portion 230 provided at the first opening 121 is detachably connected to the inner slide 150; the second pressing portion 152 at the second opening 122 is integrally formed with the inner slide 150.
In this embodiment, when the water hole is in an open state, the connection portion 230 corresponds to the first opening 121 or the second opening 122.
Through the configuration in the embodiment, the first opening 121 and the second opening 122 can always correspond to the corresponding connection portion 230, so that when the external water flow is buffered for the first time, the external water flow can directly impact on the connection portion 230 instead of directly impacting the inner sliding sleeve 150, thereby protecting the inner sliding sleeve 150 to a certain extent; further, the connection portion 230 may be detached from the inner sliding sleeve 150, so as to replace, repair and maintain the connection portion 230.
It should be noted that in the present embodiment, in the process of buffering the external water flow for the first time and the second time, the impact force of the external water flow directly acts on the detachable second pressing portion 152, so that the inner sliding sleeve 150 can be used for a long time by detaching the second pressing portion 152 and performing replacement, repair and maintenance.
In this embodiment, the diameter of the inner sleeve 150 is smaller than the diameter of the valve chamber 140.
In this embodiment, the inner sleeve 150 includes a second pressing portion 152.
By the configuration in the present embodiment, a certain space can be provided between the connection portion 230 and the first pressing portion 123 and between the second pressing portion 152 and the inner side wall of the valve chamber 140 for the passage of the external water flow, so that the external water flow can enter the valve chamber 140.
Of course, since the inner slide sleeve 150 is disposed in the valve chamber 140, the diameter of the inner slide sleeve 150 is necessarily smaller than that of the valve chamber 140, and since the external water flow is flowing, even if the outer side surface of the inner slide sleeve 150 is attached to the inner side surface of the valve chamber 140, the external water flow can pass through, but the passing amount per unit time is small; in this embodiment, a large space is left between the outer sidewall of the inner sliding sleeve 150 and the inner sidewall of the valve cavity 140, so that smooth passage of the external water flow can be ensured and more water flow can be passed in unit time.
In this embodiment, a sealing process is performed between the inner sidewall of the valve chamber 140 and the inner sleeve 150 between the first opening 121 and the second opening 122.
In the present embodiment, a sealing process is performed between the inner sidewall of the valve chamber 140 between the first opening 121 and the second opening 122 and the inner sleeve 150 by the first rubber ring 250; so that the water flow entering the first opening 121 can be prevented from entering the second opening 122 and flowing out of the valve cavity 140 from the second opening 122, and correspondingly, the water flow entering the second opening 122 can be prevented from entering the first opening 121 and flowing out of the valve cavity 140 from the first opening 121; so that the first opening 121 and the second opening 122 are isolated from each other.
In this embodiment, a through hole 153 is provided on the inner sleeve 150 on a side of the second pressing portion 152 away from the first pressing portion 123, and the through hole 153 connects the water passing hole and the valve cavity 140.
A through hole 153 is also provided in the present embodiment, the through hole 153 being provided on the inner slide 150 on a side of the second pressing portion 152 remote from the first pressing portion 123; after the third buffering of the external water flow, the external water flow can enter the valve chamber 140 through the through hole 153.
It should be noted that the position of the through hole 153 in the present embodiment does not directly correspond to the first opening 121 or the second opening 122, and the external water flow enters the valve cavity 140 through the through hole 153 after three times of buffering to reduce the impact force, so that the impact is not caused to the through hole 153.
Specifically, in the present embodiment, the through hole 153 is provided only on the inner slide 150 on the side of the second pressing portion 152 away from the first pressing portion 123 corresponding to the second opening 122, and further, the through hole 153 is provided through the mounting base 151.
In this embodiment, the inner sleeve 150 located at the side of the through hole 153 away from the second pressing portion 152 is sealed with the inner sidewall of the valve chamber 140.
In the present embodiment, the inner sleeve 150 at the side of the through hole 153 away from the second pressing portion 152 and the inner side wall of the valve chamber 140 are sealed by the second rubber ring 260; through the arrangement of the second rubber ring 260, external water flow can be better ensured to enter the valve cavity 140 through the through hole 153, and the external water flow is prevented from directly entering the lower valve body 130 to be in contact with the thermosensitive element 142 through a gap between the inner sliding sleeve 150 and the inner side wall of the valve cavity 140.
Specifically, the sealing process is performed by the second rubber ring 260 only at the through hole 153 corresponding to the second opening 122 in the present embodiment.
In this embodiment, the connecting portion 230 is screwed to the inner sliding sleeve 150.
In this embodiment, the connecting portion 230 is fastened to the inner sliding sleeve 150 by threads, specifically, a thread groove 270 is formed on the outer surface of the inner sliding sleeve 150, and the connecting portion 230 is sleeved in the thread groove 270.
It should be appreciated that in another preferred embodiment of the present application, the connection portion 230 may also be mounted on the inner sliding sleeve 150 by means of a snap fit, an adhesive fit, or a bolt fit.
In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims (10)

1. A single sliding sleeve constant temperature case, its characterized in that: comprises a first extrusion part and a second extrusion part,
the first opening and/or the second opening are/is protruded towards the direction in the valve cavity to form the first extrusion part;
the second extrusion part is arranged on the inner sliding sleeve at a position corresponding to the first extrusion part;
a water passing hole is formed between the first extrusion part and the second extrusion part; when the inner sliding sleeve moves back and forth along the axial direction of the valve cavity, the first extrusion part moves close to or far away from the second extrusion part so as to realize the opening or closing of the water passing hole.
2. The single-sleeve thermostatic cartridge of claim 1, wherein: the water passing hole is formed between the second extrusion part and the side wall of the first extrusion part, which is far away from the first opening and/or the second opening.
3. The single-sleeve thermostatic cartridge of claim 1, wherein: the second extrusion part is detachably arranged on the inner sliding sleeve.
4. A single-sleeve thermostatic cartridge according to claim 1 or 3, characterized in that: the second pressing part includes a connecting part and a protruding part,
the connecting part is detachably arranged on the inner sliding sleeve;
one end of the protruding part is connected to the connecting part, and the water passing hole is formed between the other end of the protruding part and the first extrusion part.
5. The single-sleeve thermostatic cartridge of claim 4, wherein: when the water passing hole is in an open state, the connecting part corresponds to the first opening or the second opening.
6. The single-sleeve thermostatic cartridge of claim 1, wherein: the diameter of the inner sliding sleeve is smaller than that of the valve cavity.
7. The single-sleeve thermostatic cartridge of claim 1, wherein: and sealing between the inner side wall of the valve cavity between the first opening and the second opening and the inner sliding sleeve.
8. The single-sleeve thermostatic cartridge of claim 1, wherein: the second extrusion part is far away from the inner sliding sleeve on one side of the first extrusion part and is provided with a through hole, and the through hole is connected with the water passing hole and the valve cavity.
9. The single-sleeve thermostatic cartridge of claim 8, wherein: and sealing treatment is carried out between the inner sliding sleeve at one side of the through hole far away from the second extrusion part and the inner side wall of the valve cavity.
10. The single-sleeve thermostatic cartridge of claim 4, wherein: the connecting part is in threaded connection with the inner sliding sleeve.
CN202322327151.5U 2023-08-29 2023-08-29 Single sliding sleeve constant temperature valve core Active CN220792150U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322327151.5U CN220792150U (en) 2023-08-29 2023-08-29 Single sliding sleeve constant temperature valve core

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322327151.5U CN220792150U (en) 2023-08-29 2023-08-29 Single sliding sleeve constant temperature valve core

Publications (1)

Publication Number Publication Date
CN220792150U true CN220792150U (en) 2024-04-16

Family

ID=90656531

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322327151.5U Active CN220792150U (en) 2023-08-29 2023-08-29 Single sliding sleeve constant temperature valve core

Country Status (1)

Country Link
CN (1) CN220792150U (en)

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