CN111469629A - Air conditioner high-low pressure pipe assembly - Google Patents
Air conditioner high-low pressure pipe assembly Download PDFInfo
- Publication number
- CN111469629A CN111469629A CN202010559012.3A CN202010559012A CN111469629A CN 111469629 A CN111469629 A CN 111469629A CN 202010559012 A CN202010559012 A CN 202010559012A CN 111469629 A CN111469629 A CN 111469629A
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- ring
- sealing
- pressure pipe
- low
- extrusion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00564—Details of ducts or cables of air ducts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00507—Details, e.g. mounting arrangements, desaeration devices
- B60H1/00557—Details of ducts or cables
- B60H1/00571—Details of ducts or cables of liquid ducts, e.g. for coolant liquids or refrigerants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/10—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing
- F16J15/104—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with non-metallic packing characterised by structure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses an air conditioner high-low pressure pipe assembly, which relates to the technical field of automobile air conditioner pipelines, and adopts the technical scheme that the air conditioner high-low pressure pipe assembly comprises a high-low pressure pipe fitting and an extrusion sealing block; the extrusion sealing block is provided with a through hole for the high-pressure and low-pressure pipe fitting to pass through and is used for extrusion sealing of the pipe end of the high-pressure and low-pressure pipe fitting; the high-low pressure pipe fitting penetrates through one end of the through hole, a limiting ring abutted to the extrusion sealing block is arranged on the end of the through hole, one side of the limiting ring is abutted to the limiting ring in a sleeved mode, the other side of the rubber ring is used for extruding the sealed rubber ring, and the rubber ring is sleeved with a metal ring. The invention has the advantages that when the pipe ends of the high-pressure and low-pressure pipe fittings are sealed, the effect of preventing the high-pressure and low-pressure pipe fittings from being separated from the extrusion sealing block is achieved by the abutting of the limiting ring and the extrusion sealing block, and the effect of extrusion sealing is realized after the extrusion sealing block is installed and fixed by the rubber ring with one side abutting against the limiting ring and the other side for extrusion sealing, so that the effects of obviously reducing the product cost and obviously improving the sealing quality and convenience are achieved.
Description
Technical Field
The invention relates to the technical field of automobile air conditioner pipelines, in particular to an air conditioner high-low pressure pipe assembly.
Background
The automobile air conditioner high-low pressure pipe total composition high-pressure pipe and low-pressure pipe, under the effect of air-blower, the air is blown into the car after the evaporimeter cooling and is realized the cooling, and the refrigerant vaporization becomes gas in the evaporimeter, and gas becomes high-temperature high-pressure gas after compressor compression, gets into the condenser through the high-pressure pipeline and condenses into liquid, passes through the expansion valve after the drying of stock solution drier-filter again and flows to the evaporimeter through the high-pressure pipe.
In the prior art, the end structure of the high-low pressure pipe of the automobile air conditioner is sealed by a welding joint and a sealing ring in an extrusion way. The sealing structure in the form has high requirement on size precision, the sealing ring is easy to scratch and damage in the transportation and assembly processes, the processing cost of the welding structure is high, and the problems of leakage at the welding position, size out-of-tolerance after high temperature and the like are easy to occur in the subsequent welding process and need to be improved.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an air conditioner high-low pressure pipe assembly which has the effect of improving the product quality while effectively reducing the product cost.
In order to achieve the purpose, the invention provides the following technical scheme:
an air conditioner high-low pressure pipe assembly comprises a high-low pressure pipe fitting and an extrusion sealing block;
the extrusion sealing block is provided with a through hole for the high-pressure and low-pressure pipe fitting to pass through and is used for extrusion sealing of the pipe end of the high-pressure and low-pressure pipe fitting;
the high-low pressure pipe fitting penetrates through one end of the through hole, a limiting ring abutted to the extrusion sealing block is arranged on the end of the through hole, one side of the limiting ring is abutted to the limiting ring in a sleeved mode, the other side of the rubber ring is used for extruding the sealed rubber ring, and the rubber ring is sleeved with a metal ring.
Through adopting above-mentioned technical scheme, when sealing up the pipe end of high low pressure pipe fitting, through spacing and the sealed piece butt of extrusion in order to reach the effect of avoiding high low pressure pipe fitting to break away from in the sealed piece of extrusion, rethread one side is used for extrusion seal's rubber circle with spacing ring butt opposite side, realizes extrusion seal's effect behind the fixed sealed piece of extrusion of installation, has and is showing reduction product cost, is showing the effect that promotes sealed quality and convenience.
The invention is further configured to: the high-pressure and low-pressure pipe fittings comprise two through holes which respectively penetrate through the corresponding through holes, and each through hole comprises a round hole matched with one of the high-pressure and low-pressure pipe fittings and an adjusting waist groove with the width matched with the other high-pressure and low-pressure pipe fitting.
By adopting the technical scheme, after one high-low pressure pipe fitting penetrates through the through hole, the other high-low pressure pipe fitting is subjected to position adjustment and fixation through the adjusting waist groove, the mounting and fixing difficulty of the air conditioner high-low pressure pipe assembly is remarkably reduced, and the product quality is improved while the cost is reduced.
The invention is further configured to: the inner side of the metal ring is provided with an inserting ring, and the inner side of the rubber ring is provided with an annular inserting groove matched with the inserting ring.
Through adopting above-mentioned technical scheme, grafting ring and annular inserting groove match fixedly, when showing the fixed degree of difficulty of installation that reduces metal loop and rubber circle, promote the fixed stability of being connected of metal loop and rubber circle to effectively reduce manufacturing cost.
The invention is further configured to: the both sides of metal loop are provided with a plurality of spacing grooves that the radian distributes such as, the both sides of rubber circle are provided with a plurality of respectively with corresponding the stopper that the spacing groove matches.
Through adopting above-mentioned technical scheme, spacing groove and stopper match fixedly, when showing the fixed degree of difficulty of installation that reduces ferrule and rubber circle, promote the fixed stability of being connected of ferrule and rubber circle to effectively reduce manufacturing cost.
The invention is further configured to: the rubber ring is a first sealing ring, first sealing convex rings are arranged on two sides of the first sealing ring, the first sealing convex rings protrude from the metal ring, the first sealing convex rings located on one side are abutted to the limiting ring, and the first sealing convex rings located on the other side are used for extrusion sealing.
Through adopting above-mentioned technical scheme, the first sealed bulge loop of first sealing washer both sides is protruding from corresponding one side respectively, and is located the first sealed bulge loop and the spacing ring butt of one side, and the first sealed bulge loop that is located the opposite side is used for extrusion sealing to form stable protection to first sealing washer, have the installation convenient, show the effect that promotes sealing performance and increase of service life.
The invention is further configured to: the rubber ring is a second sealing ring, second sealing convex rings are arranged on two sides of the second sealing ring, the second sealing convex rings protrude from the metal ring, the second sealing convex rings on one side are abutted to the limiting ring, and the second sealing convex rings on the other side are used for extrusion sealing.
Through adopting above-mentioned technical scheme, the sealed bulge loop of second sealing washer both sides is protruding from corresponding one side respectively, and the sealed bulge loop of second that is located one side and spacing ring butt, and the sealed bulge loop of second that is located the opposite side is used for extrusion seal to form stable protection to the second sealing washer, have the installation convenient, show the effect that promotes sealing performance and increase of service life.
The invention is further configured to: the rubber ring is a first sealing ring and a second sealing ring, first sealing convex rings are arranged on two sides of the first sealing ring, the first sealing convex rings protrude from the inside of the metal ring, the first sealing convex ring on one side is abutted with the limiting ring, and the first sealing convex ring on the other side is used for extrusion sealing; and second sealing convex rings are arranged on two sides of the second sealing ring, the second sealing convex rings protrude from the metal ring, the second sealing convex ring on one side is abutted to the limiting ring, and the second sealing convex ring on the other side is used for extrusion sealing.
Through adopting above-mentioned technical scheme, first sealing washer and second sealing washer respectively with corresponding high-low pressure pipe fitting accordant connection to the high-low pressure pipe fitting of the corresponding pipe diameter of adaptation further prolongs the life of rubber circle.
In conclusion, the invention has the following beneficial effects: through spacing and the sealed piece butt of extrusion in order to reach the effect of avoiding high low pressure pipe fitting to break away from the sealed piece of extrusion, rethread one side and spacing ring butt opposite side are used for the sealed rubber circle of extrusion, and first sealing washer and second sealing washer respectively with the high low pressure pipe fitting accordant connection of corresponding pipe diameter, realize the sealed effect of extrusion after the sealed piece of fixed extrusion of installation, have and show reduction product cost, show the effect that promotes sealing quality and convenience.
Drawings
FIG. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic view of an exploded structure of the present embodiment;
fig. 3 is an enlarged schematic view of a portion a of fig. 2.
Description of reference numerals: 1. high and low pressure pipe fittings; 11. a limiting ring; 2. extruding the sealing block; 21. adjusting the waist groove; 22. extruding the sealing hole; 3. a metal ring; 31. a plug-in ring; 32. a limiting groove; 4. a rubber ring; 4a, a first sealing ring; 4b, a second sealing ring; 41. an annular insertion groove; 42 a limiting block; 43. a first sealing convex ring; 44. and a second sealing convex ring.
Detailed Description
In order to make the technical solution and advantages of the present invention more clear, the present invention will be further described in detail with reference to the accompanying drawings.
Example one
As shown in fig. 1, an air conditioner high-low pressure pipe assembly includes a high-low pressure pipe 1 and a squeeze sealing block 2. The extrusion sealing block 2 is provided with a through hole through which the high-low pressure pipe fitting 1 passes and is used for extrusion sealing of the pipe end of the high-low pressure pipe fitting 1; high low pressure pipe fitting 1 passes fenestrate one end and is provided with the spacing ring 11 with the sealed piece 2 butt of extrusion, and cup jointed one side and the 11 butt of spacing ring, the opposite side is used for extrusion seal's rubber circle 4, when sealing up the pipe end of high low pressure pipe fitting 1, through spacing and the sealed piece 2 butt of extrusion in order to reach the effect of avoiding high low pressure pipe fitting 1 to break away from in the sealed piece 2 of extrusion, rethread one side and the 11 butt opposite side of spacing ring are used for extrusion seal's rubber circle 4, realize extrusion seal's effect behind the sealed piece 2 of fixed extrusion of installation, it reduces product cost to have showing, show the effect that promotes sealed quality and convenience. It should be mentioned that the rubber ring 4 is sleeved with the metal ring 3. The metal ring 3 plays a role in protecting the rubber ring 4, and further effectively avoids the rubber ring 4 from influencing the connection sealing performance of the air conditioner high-low pressure pipe assembly due to scratch damage in the transportation and assembly processes of the rubber ring 4.
As shown in fig. 2 and 3, the high-pressure pipe 1 and the low-pressure pipe 1 include two pipes and respectively pass through corresponding through holes. The through hole comprises a round hole matched with one high-pressure pipe fitting 1 and an adjusting waist groove 21 with the width matched with the other high-pressure pipe fitting 1. After one of the high-low pressure pipe fittings 1 passes through the through hole, the other high-low pressure pipe fitting 1 is subjected to position adjustment and fixation through the adjusting waist groove 21, and the air conditioner high-low pressure pipe assembly has the effects of remarkably reducing the installation and fixation difficulty of the air conditioner high-low pressure pipe assembly, reducing the cost and improving the product quality.
The insert ring 31 is provided inside the ferrule 3. The inner side of the rubber ring 4 is provided with an annular plug groove 41 matching with the plug ring 31. The plug ring 31 and the annular plug groove 41 are matched and fixed, the installation fixing difficulty of the metal ring 3 and the rubber ring 4 is remarkably reduced, and meanwhile, the connection fixing stability of the metal ring 3 and the rubber ring 4 is improved, so that the production and manufacturing cost is effectively reduced. Meanwhile, a plurality of limiting grooves 32 distributed in an equal radian are arranged on two sides of the metal ring 3. A plurality of spacing grooves 32 set up for the left and right symmetry of plug ring 31 to be provided with a plurality of stoppers that match with corresponding spacing groove 32 respectively in the both sides of rubber circle 4, and then match fixedly through spacing groove 32 and stopper, when showing the fixed degree of difficulty of installation that reduces ferrule 3 and rubber circle 4, promote the connection fixed stability of ferrule 3 and rubber circle 4, thereby effectively reduce production manufacturing cost.
As shown in fig. 3, the rubber ring 4 is a first seal ring 4 a. The first sealing ring 4a is provided with first sealing convex rings 43 on both sides. The first sealing convex ring 43 protrudes from the metal ring 3, the first sealing convex ring 43 on one side is abutted against the limiting ring 11, and the first sealing convex ring 43 on the other side is used for extrusion sealing. Therefore, the first sealing convex rings 43 on two sides of the first sealing ring 4a respectively protrude from one corresponding side, the first sealing convex ring 43 on one side is abutted against the limiting ring 11, and the first sealing convex ring 43 on the other side is used for extrusion sealing, so that the first sealing ring 4a is stably protected, and the effects of convenience in installation, remarkable improvement of sealing performance and prolonged service life are achieved.
Example two
The second embodiment is different from the first embodiment in that the rubber ring 4 in the second embodiment is a second seal ring 4 b. And second sealing convex rings are arranged on two sides of the second sealing ring 4 b. The second seal convex ring 44 protrudes from the inside of the metal ring 3, and the second seal convex ring 44 on one side abuts against the stopper ring 11, and the second seal convex ring 44 on the other side is used for compression sealing. Therefore, the second sealing convex rings 44 on two sides of the second sealing ring 4b respectively protrude from one corresponding side, the second sealing convex ring 44 on one side is abutted to the limiting ring 11, and the second sealing convex ring 44 on the other side is used for extrusion sealing, so that the second sealing ring 4b is stably protected, and the effects of convenience in installation, remarkable improvement of sealing performance and prolonged service life are achieved.
EXAMPLE III
The third embodiment is different from the first embodiment in that the rubber rings 4 in the third embodiment are a first seal ring 4a and a second seal ring 4 b. The first sealing ring 4a is provided with first sealing convex rings 43 on both sides. The first sealing convex ring 43 protrudes from the metal ring 3, the first sealing convex ring 43 on one side is abutted with the limiting ring 11, and the first sealing convex ring 43 on the other side is used for extrusion sealing; and second sealing convex rings 44 are arranged on two sides of the second sealing ring 4 b. The second seal convex ring 44 protrudes from the inside of the metal ring 3, and the second seal convex ring 44 on one side abuts against the stopper ring 11, and the second seal convex ring 44 on the other side is used for compression sealing. Therefore, through first sealing washer 4a and second sealing washer 4b respectively with corresponding high-low pressure pipe fitting 1 accordant connection to the high-low pressure pipe fitting 1 of the corresponding pipe diameter of adaptation further prolongs the life of rubber circle 4.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, but all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the present invention may occur to those skilled in the art without departing from the principle of the present invention, and such modifications and embellishments should also be considered as within the scope of the present invention.
Claims (6)
1. The utility model provides an air conditioner high-low pressure pipe assembly which characterized in that: comprises a high-pressure pipe fitting (1) and a low-pressure pipe fitting (2);
the extrusion sealing block (2) is provided with a through hole for the high-pressure and low-pressure pipe fitting (1) to pass through and is used for extrusion sealing of the pipe end of the high-pressure and low-pressure pipe fitting (1);
one end of the high-pressure and low-pressure pipe fitting (1) penetrating through the through hole is provided with a limiting ring (11) abutted to the extrusion sealing block (2), and is sleeved with a rubber ring (4) with one side abutted to the limiting ring (11) and the other side used for extrusion sealing, and the rubber ring (4) is sleeved with a metal ring (3);
wherein, the inside of metal circle (3) is provided with plug ring (31), the inside of rubber circle (4) is provided with plug ring (31) the annular inserting groove (41) that matches.
2. An air conditioning high and low pressure pipe assembly according to claim 1, wherein: the high-pressure and low-pressure pipe fittings (1) comprise two through holes which respectively penetrate through the corresponding through holes, and each through hole comprises a round hole matched with one of the high-pressure and low-pressure pipe fittings (1) and an adjusting waist groove (21) with the width matched with the other high-pressure and low-pressure pipe fitting (1).
3. An air conditioning high and low pressure pipe assembly according to claim 1, wherein: the both sides of metal loop (3) are provided with a plurality of spacing grooves (32) that distribute with equal radian, the both sides of rubber circle (4) are provided with a plurality of respectively with corresponding spacing block that spacing groove (32) match.
4. An air conditioning high and low pressure pipe assembly according to claim 3, wherein: the rubber ring (4) is a first sealing ring (4a), first sealing convex rings (43) are arranged on two sides of the first sealing ring (4a), the first sealing convex rings (43) protrude from the metal ring (3), the first sealing convex rings (43) on one side are abutted to the limiting ring (11), and the first sealing convex rings (43) on the other side are used for extrusion sealing.
5. An air conditioning high and low pressure pipe assembly according to claim 3, wherein: the rubber ring (4) is a second sealing ring (4b), second sealing convex rings (44) are arranged on two sides of the second sealing ring (4b), the second sealing convex rings (44) protrude from the metal ring (3), the second sealing convex rings (44) on one side are abutted to the limiting ring (11), and the second sealing convex rings (44) on the other side are used for extrusion sealing.
6. An air conditioning high and low pressure pipe assembly according to claim 3, wherein: the rubber ring (4) is composed of a first sealing ring (4a) and a second sealing ring (4b), first sealing convex rings (43) are arranged on two sides of the first sealing ring (4a), the first sealing convex rings (43) protrude from the metal ring (3), the first sealing convex ring (43) on one side is abutted to the limiting ring (11), and the first sealing convex ring (43) on the other side is used for extrusion sealing; and second sealing convex rings (44) are arranged on two sides of the second sealing ring (4b), the second sealing convex rings (44) protrude from the metal ring (3), the second sealing convex ring (44) on one side is abutted to the limiting ring (11), and the second sealing convex ring (44) on the other side is used for extrusion sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010559012.3A CN111469629B (en) | 2020-06-18 | 2020-06-18 | Air conditioner high-low pressure pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010559012.3A CN111469629B (en) | 2020-06-18 | 2020-06-18 | Air conditioner high-low pressure pipe assembly |
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| Publication Number | Publication Date |
|---|---|
| CN111469629A true CN111469629A (en) | 2020-07-31 |
| CN111469629B CN111469629B (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010559012.3A Active CN111469629B (en) | 2020-06-18 | 2020-06-18 | Air conditioner high-low pressure pipe assembly |
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| CN (1) | CN111469629B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234185A (en) * | 1992-02-21 | 1993-08-10 | General Motors Corporation | Unitary pipe clamp and assembly |
| US7022008B1 (en) * | 2005-01-06 | 2006-04-04 | Denso International America, Inc. | Air duct seal for HVAC case |
| CN201293160Y (en) * | 2008-10-08 | 2009-08-19 | 书元机械企业(昆山)有限公司 | Seal ring for pipe fitting sealing connection |
| CN203926764U (en) * | 2014-06-20 | 2014-11-05 | 嘉兴职业技术学院 | A kind of seal ring |
| CN104340136A (en) * | 2013-07-17 | 2015-02-11 | 汉拿伟世通空调有限公司 | Bulkhead sealing assembly |
| CN104566882A (en) * | 2014-12-17 | 2015-04-29 | 合肥三艾汽车配件有限公司 | Air-conditioner pipe |
| CN207906676U (en) * | 2017-12-29 | 2018-09-25 | 玉环县亨日塑胶制品有限公司 | A kind of directly-inserted quick quick coupling |
| CN208774462U (en) * | 2018-09-10 | 2019-04-23 | 南京协众汽车空调集团有限公司 | A kind of vehicle warm air core assembly |
| CN208816911U (en) * | 2018-08-01 | 2019-05-03 | 奇瑞商用车（安徽）有限公司 | A kind of automobile air conditioner pipeline connector structure |
| CN210191082U (en) * | 2019-06-11 | 2020-03-27 | 浙江吉利控股集团有限公司 | Combined pipeline fixing structure |
| CN210261295U (en) * | 2019-06-14 | 2020-04-07 | 阳昕环保科技（上海）有限公司 | Water ecological floating island fixing device |
-
2020
- 2020-06-18 CN CN202010559012.3A patent/CN111469629B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5234185A (en) * | 1992-02-21 | 1993-08-10 | General Motors Corporation | Unitary pipe clamp and assembly |
| US7022008B1 (en) * | 2005-01-06 | 2006-04-04 | Denso International America, Inc. | Air duct seal for HVAC case |
| CN201293160Y (en) * | 2008-10-08 | 2009-08-19 | 书元机械企业(昆山)有限公司 | Seal ring for pipe fitting sealing connection |
| CN104340136A (en) * | 2013-07-17 | 2015-02-11 | 汉拿伟世通空调有限公司 | Bulkhead sealing assembly |
| CN203926764U (en) * | 2014-06-20 | 2014-11-05 | 嘉兴职业技术学院 | A kind of seal ring |
| CN104566882A (en) * | 2014-12-17 | 2015-04-29 | 合肥三艾汽车配件有限公司 | Air-conditioner pipe |
| CN207906676U (en) * | 2017-12-29 | 2018-09-25 | 玉环县亨日塑胶制品有限公司 | A kind of directly-inserted quick quick coupling |
| CN208816911U (en) * | 2018-08-01 | 2019-05-03 | 奇瑞商用车（安徽）有限公司 | A kind of automobile air conditioner pipeline connector structure |
| CN208774462U (en) * | 2018-09-10 | 2019-04-23 | 南京协众汽车空调集团有限公司 | A kind of vehicle warm air core assembly |
| CN210191082U (en) * | 2019-06-11 | 2020-03-27 | 浙江吉利控股集团有限公司 | Combined pipeline fixing structure |
| CN210261295U (en) * | 2019-06-14 | 2020-04-07 | 阳昕环保科技（上海）有限公司 | Water ecological floating island fixing device |
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| CN111469629B (en) | 2021-11-23 |
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