Four-way connector and coffee machine

Abstract

The utility model discloses a four-way joint and discloses a coffee machine with the four-way joint, the four-way joint comprises a joint main body, the joint main body is provided with a first channel, a second channel, a third channel and a fourth channel which are communicated with one another, the first channel is used for being communicated with a steam valve, and the second channel is used for being communicated with a pressure gauge. The third channel is used for communicating with the pressure valve, and the fourth channel is used for communicating with the boiler, so that the boiler, the pressure gauge, the pressure valve and the steam valve of the coffee machine can communicate with one another through the single four-way connector, the waterway structure can be simplified, the number of parts of the coffee machine is reduced, and the assembly efficiency of the coffee machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coffee machines, in particular to a four-way joint and a coffee machine. Background Art

[0002] The pressure water circuit structure of the existing pressure coffee machine generally has multiple three-way joints connecting the boiler, the pressure gauge, the pressure valve and the steam valve. The number of three-way joints is large and the water circuit structure is complex, which cannot improve the assembly efficiency of the coffee machine. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a four-way connector, which can improve the assembly efficiency of the coffee machine.

[0004] The utility model also provides a coffee machine with the four-way joint.

[0005] According to the first aspect of the present invention, a four-way joint includes a joint body, wherein the joint body is provided with a first channel, a second channel, a third channel and a fourth channel which are interconnected, wherein the first channel is used to communicate with a steam valve, the second channel is used to communicate with a pressure valve, the third channel is used to communicate with a pressure gauge, and the fourth channel is used to communicate with a boiler.

[0006] The four-way joint according to the first embodiment of the utility model has at least the following beneficial effects:

[0007] The first channel is connected to the steam valve through the first water pipe, and the steam valve is used to discharge steam. The second channel is connected to the pressure gauge through the second water pipe, and the pressure gauge is used to detect the pressure in the boiler. The third channel is connected to the pressure valve through the third water pipe, and the pressure valve is used to release pressure. The fourth channel is connected to the boiler through the fourth water pipe, and the boiler is used to heat water. The boiler, pressure gauge, pressure valve and steam valve of the coffee machine can be connected to each other through a single four-way joint, which can abandon the traditional technical solution of using multiple three-way joints to connect the boiler, pressure gauge, pressure valve and steam valve, simplify the water channel structure, reduce the number of parts of the coffee machine, and improve the assembly efficiency of the coffee machine.

[0008] According to some embodiments of the utility model, the joint body includes a first joint, a second joint, a third joint and a fourth joint, the first channel is arranged at the first joint, the second channel is arranged at the second joint, the third channel is arranged at the third joint, the fourth channel is arranged at the fourth joint, and the second joint, the third joint and the fourth joint are all arranged at the first joint.

[0009] According to some embodiments of the present invention, along the length direction of the first channel, the second joint, the third joint and the fourth joint are arranged side by side and spaced apart.

[0010] According to some embodiments of the present invention, the first joint, the second joint, the third joint and the fourth joint are an integrated structure.

[0011] According to some embodiments of the present invention, connecting ears are respectively provided on two opposite sides of the first joint in the width direction, and the connecting ears are used to connect to the body of the coffee machine.

[0012] According to some embodiments of the present invention, the second joint, the third joint and the fourth joint are located on the same straight line.

[0013] According to some embodiments of the utility model, the second channel is provided with a first through hole and a second through hole on two opposite sides, the third channel is provided with a third through hole and a fourth through hole on two opposite sides, and the fourth channel is provided with a fifth through hole and a sixth through hole on two opposite sides, the first through hole, the third through hole and the fifth through hole are connected to form a first installation channel, and the first installation channel is used for inserting one end of a U-shaped retaining ring, the second through hole, the fourth through hole and the sixth through hole are connected to form a second installation channel, and the second installation channel is used for inserting the other end of the U-shaped retaining ring.

[0014] According to some embodiments of the utility model, the joint body also includes a first reinforcing rib, a second reinforcing rib, a third reinforcing rib and a fourth reinforcing rib, the first reinforcing rib is arranged at the first joint, the second reinforcing rib is arranged at the second joint, the third reinforcing rib is arranged at the third joint, the fourth reinforcing rib is arranged at the fourth joint, and the second reinforcing rib, the third reinforcing rib and the fourth reinforcing rib are all connected to the first reinforcing rib.

[0015] According to the second aspect of the present invention, the coffee machine comprises a machine body, a steam valve, a pressure valve, a pressure gauge, a boiler and the four-way joint described in the above embodiments, wherein the boiler and the four-way joint are both arranged on the machine body, the steam valve is connected to the first channel through a first water pipe, the pressure valve is connected to the second channel through a second water pipe, the pressure gauge is connected to the third channel through a third water pipe, and the boiler is connected to the fourth channel through a fourth water pipe.

[0016] The coffee machine according to the second embodiment of the utility model has at least the following beneficial effects:

[0017] The first channel is connected to the steam valve through the first water pipe, and the steam valve is used to discharge steam. The second channel is connected to the pressure gauge through the second water pipe, and the pressure gauge is used to detect the pressure in the boiler. The third channel is connected to the pressure valve through the third water pipe, and the pressure valve is used to release pressure. The fourth channel is connected to the boiler through the fourth water pipe, and the boiler is used to heat water. The boiler, pressure gauge, pressure valve and steam valve of the coffee machine can be connected to each other through a single four-way joint, which can abandon the traditional technical solution of using multiple three-way joints to connect the boiler, pressure gauge, pressure valve and steam valve, simplify the water channel structure, reduce the number of parts of the coffee machine, and improve the assembly efficiency of the coffee machine.

[0018] According to some embodiments of the utility model, a water tank and a pump body assembly are also included. The boiler is connected to the water tank through a fifth water pipe, and the pump body assembly is arranged on the fifth water pipe to pump the water in the water tank into the boiler.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 This is a schematic diagram of the structure of a four-way connector according to an embodiment of the present utility model;

[0022] Figure 2 It is a rear view of a cross-connector according to an embodiment of the utility model;

[0023] Figure 3 for Figure 2 Sectional view along line AA;

[0024] Figure 4 A top view of a cross-connector according to an embodiment of the present invention;

[0025] Figure 5 for Figure 4 Sectional view along the midline BB;

[0026] Figure 6 This is a schematic diagram of the structure of a coffee machine according to an embodiment of the utility model;

[0027] Figure 7 A top view of a coffee machine according to an embodiment of the utility model;

[0028] Figure 8 This is a schematic diagram of the internal structure of a pressure valve according to an embodiment of the utility model.

[0029] Reference numerals:

[0030] Joint body 100, first channel 101, second channel 102, first through hole 1021, second through hole 1022, third channel 103, third through hole 1031, fourth through hole 1032, fourth channel 104, fifth through hole 1041, sixth through hole 1042, first installation channel 105, second installation channel 106, first joint 110, first reinforcing rib 111, second joint 120, second reinforcing rib 121, third joint 130, The third reinforcing rib 131, the fourth joint 140, the fourth reinforcing rib 141, the connecting ear 150, the fifth reinforcing rib 160, the machine body 200, the steam valve 300, the pressure valve 400, the valve body 410, the fifth channel 411, the valve core 420, the elastic member 430, the pressure gauge 500, the boiler 600, the first water pipe 710, the second water pipe 720, the third water pipe 730, the fourth water pipe 740, the fifth water pipe 750, the water tank 810, and the pump body assembly 820. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0032] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0033] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0035] Reference Figures 1 to 5According to the four-way joint of the first embodiment of the utility model, the joint body 100 is provided with a first channel 101, a second channel 102, a third channel 103 and a fourth channel 104 which are interconnected. The first channel 101 is used to communicate with the steam valve 300, the second channel 102 is used to communicate with the pressure gauge 500, the third channel 103 is used to communicate with the pressure valve 400, and the fourth channel 104 is used to communicate with the boiler 600. In this way, the boiler 600, the pressure gauge 500, the pressure valve 400 and the steam valve 300 of the coffee machine can be interconnected through a single four-way joint, which can simplify the water channel structure, reduce the number of parts of the coffee machine, and improve the assembly efficiency of the coffee machine.

[0036] Specifically, the first channel 101 is connected to the steam valve 300 through the first water pipe 710, and the steam valve 300 is used to discharge steam. The second channel 102 is connected to the pressure gauge 500 through the second water pipe 720, and the pressure gauge 500 is used to detect the pressure in the boiler 600. The third channel 103 is connected to the pressure valve 400 through the third water pipe 730, and the pressure valve 400 is used to release pressure. The fourth channel 104 is connected to the boiler 600 through the fourth water pipe 740, and the boiler 600 is used to heat water, so that the boiler 600, the pressure gauge 500, the pressure valve 400 and the steam valve 300 of the coffee machine can be connected to each other through a single four-way connector, which can abandon the traditional technical solution of using multiple three-way connectors to connect the boiler 600, the pressure gauge 500, the pressure valve 400 and the steam valve 300, can simplify the water channel structure, reduce the number of parts of the coffee machine, and improve the assembly efficiency of the coffee machine.

[0037] In some embodiments of the present invention, the joint body 100 includes a first joint 110, a second joint 120, a third joint 130 and a fourth joint 140, the first channel 101 is arranged on the first joint 110, the second channel 102 is arranged on the second joint 120, the third channel 103 is arranged on the third joint 130, and the fourth channel 104 is arranged on the fourth joint 140. The second joint 120, the third joint 130 and the fourth joint 140 are all arranged on the first joint 110, which can simplify the structure of the four-way joint to facilitate the production of the four-way joint.

[0038] Specifically, the first channel 101 is extended along the length direction of the first joint 110, the second channel 102 is extended along the length direction of the second joint 120, the third channel 103 is extended along the length direction of the third joint 130, and the fourth channel 104 is extended along the length direction of the fourth joint 140. One end of the second channel 102, one end of the third channel 103 and one end of the fourth channel 104 all pass through the side wall of the first channel 101, which can simplify the structure of the four-way joint to facilitate the production of the four-way joint.

[0039] In some embodiments of the utility model, the second joint 120, the third joint 130 and the fourth joint 140 are arranged side by side and spaced apart along the length direction of the first channel 101, so that the second joint 120, the third joint 130 and the fourth joint 140 are arranged neatly, which can facilitate the operator to arrange the drainage structure, thereby improving the assembly efficiency of the coffee machine.

[0040] In some embodiments of the present invention, the first connector 110, the second connector 120, the third connector 130 and the fourth connector 140 are an integrated structure, which can reduce the number of molds to reduce the production cost of the molds, thereby reducing the production cost of the coffee machine.

[0041] Specifically, the first connector 110, the second connector 120, the third connector 130 and the fourth connector 140 can be integrally formed by injection molding, which can reduce the number of molds to reduce the production cost of the molds, thereby reducing the production cost of the coffee machine.

[0042] Of course, in some specific embodiments, the first connector 110, the second connector 120, the third connector 130 and the fourth connector 140 may also be connected by welding, which is not limited here. The welding method includes but is not limited to resistance welding, ultrasonic welding or laser welding, etc., which is not limited here.

[0043] In some embodiments of the present invention, connecting ears 150 are respectively provided on two opposite sides of the first joint 110 in the width direction. The connecting ears 150 are used to connect to the body 200 of the coffee machine, which can facilitate the installation of the four-way joint.

[0044] Specifically, one of the two connecting ears 150 is arranged on one side of the width direction of the first joint 110, and the other is arranged on the other side of the width direction of the first joint 110. The connecting ear 150 is provided with a through hole. The connecting ear 150 can be installed on the body 200 by means of fasteners. The fasteners are passed through the through holes and are threadedly connected to the body 200, so that the four-way joint can be installed on the body 200. The operation is simple, convenient and quick, and the four-way joint can be easily installed.

[0045] It should be noted that the fasteners may be bolts, screws or other components, which are not limited here.

[0046] In some embodiments of the present invention, the second joint 120, the third joint 130 and the fourth joint 140 are located on the same straight line, so that the second joint 120, the third joint 130 and the fourth joint 140 are arranged neatly, which can facilitate the operator to arrange the drainage structure, thereby improving the assembly efficiency of the coffee machine.

[0047] Reference Figure 2In some embodiments of the utility model, the second channel 102 is provided with a first through hole 1021 and a second through hole 1022 on opposite sides, the third channel 103 is provided with a third through hole 1031 and a fourth through hole 1032 on opposite sides, and the fourth channel 104 is provided with a fifth through hole 1041 and a sixth through hole 1042 on opposite sides. The first through hole 1021, the third through hole 1031 and the fifth through hole 1041 are connected to form a first installation channel 105, and the first installation channel 105 is used for inserting one end of the U-shaped retaining spring. The second through hole 1022, the fourth through hole 1032 and the sixth through hole 1042 are connected to form a second installation channel 106, and the second installation channel 106 is used for inserting the other end of the U-shaped retaining spring, which can facilitate the assembly of the U-shaped spring to improve the assembly efficiency of the coffee machine.

[0048] Specifically, along the length direction of the first channel 101, the first through hole 1021 and the second through hole 1022 both penetrate the second joint 120, the third through hole 1031 and the fourth through hole 1032 both penetrate the third joint 130, the fifth through hole 1041 and the sixth through hole 1042 both penetrate the fourth joint 140, and the first through hole 1021, the third through hole 1031 and the fifth through hole 1041 are aligned, and the second through hole 1022, the fourth through hole 1032 and the sixth through hole 1042 are aligned, and the second water pipe 720 is assembled. , the third water pipe 730 and the fourth water pipe 740, the operator can insert the two ends of the U-shaped spring into the first installation channel 105 and the second installation channel 106 respectively, and the two ends of the U-shaped spring can abut against one end of the second water pipe 720, one end of the third water pipe 730 and one end of the fourth water pipe 740, thereby ensuring that the second water pipe 720 can be stably connected to the second joint 120, the third water pipe 730 can be stably connected to the second joint 120, and the fourth water pipe 740 can be stably connected to the fourth joint 140.

[0049] In some embodiments of the utility model, the joint body 100 also includes a first reinforcing rib 111, a second reinforcing rib 121, a third reinforcing rib 131 and a fourth reinforcing rib 141. The first reinforcing rib 111 is arranged on the first joint 110, the second reinforcing rib 121 is arranged on the second joint 120, the third reinforcing rib 131 is arranged on the third joint 130, and the fourth reinforcing rib 141 is arranged on the fourth joint 140. The second reinforcing rib 121, the third reinforcing rib 131 and the fourth reinforcing rib 141 are all connected to the first reinforcing rib 111, which can improve the structural stability of the four-way joint, thereby improving the service life of the four-way joint.

[0050] Specifically, the first reinforcing rib 111 is extended along the length direction of the first joint 110, the second reinforcing rib 121 is extended along the length direction of the second joint 120, the third reinforcing rib 131 is extended along the length direction of the third joint 130, and the fourth reinforcing rib 141 is extended along the length direction of the fourth joint 140. The second reinforcing rib 121, the third reinforcing rib 131 and the fourth reinforcing rib 141 are arranged side by side and spaced apart along the length direction of the first joint 110, and the second reinforcing rib 121, the third reinforcing rib 131 and the fourth reinforcing rib 141 are respectively connected to the first reinforcing rib 111, which can improve the structural stability of the four-way joint, thereby improving the service life of the four-way joint.

[0051] It should be pointed out that the joint body 100 also includes a fifth reinforcing rib 160, which is arranged side by side with the first reinforcing rib 111, and the second reinforcing rib 121, the third reinforcing rib 131 and the fourth reinforcing rib 141 are respectively connected to the fifth reinforcing rib 160, which can improve the structural stability of the four-way joint, and is not limited here.

[0052] Refer to Figure 6. Figure 7 According to the coffee machine of the second embodiment of the utility model, the coffee machine includes a body 200, a steam valve 300, a pressure valve 400, a pressure gauge 500, a boiler 600 and a four-way joint of the first embodiment of the utility model, the boiler 600 and the four-way joint are both arranged on the body 200, the steam valve 300 is connected to the first channel 101 through the first water pipe 710, the pressure valve 400 is connected to the second channel 102 through the second water pipe 720, the pressure gauge 500 is connected to the third channel 103 through the third water pipe 730, and the boiler 600 is connected to the fourth channel 104 through the fourth water pipe 740.

[0053] Specifically, the first channel 101 is connected to the steam valve 300 through the first water pipe 710, and the steam valve 300 is used to discharge steam. The second channel 102 is connected to the pressure gauge 500 through the second water pipe 720, and the pressure gauge 500 is used to detect the pressure in the boiler 600. The third channel 103 is connected to the pressure valve 400 through the third water pipe 730, and the pressure valve 400 is connected to the funnel assembly. When the pressure of the second water pipe 720 is greater than the preset value, the pressure valve 400 opens, and the water in the second water pipe 720 enters the funnel assembly to brew coffee. When the second water pipe 720 is opened, the water in the second water pipe 720 enters the funnel assembly to brew coffee. When the pressure at 720 is less than a preset value, the pressure valve 400 is closed, and the fourth channel 104 is connected to the boiler 600 through the fourth water pipe 740. The boiler 600 is used to heat water, so that the boiler 600, the pressure gauge 500, the pressure valve 400 and the steam valve 300 of the coffee machine can be interconnected through a single four-way connector, which can abandon the traditional technical solution of using multiple three-way connectors to connect the boiler 600, the pressure gauge 500, the pressure valve 400 and the steam valve 300, and can simplify the water channel structure, reduce the number of parts of the coffee machine, and improve the assembly efficiency of the coffee machine.

[0054] It should be noted that the pressure valve 400 includes a valve body 410, a valve core 420 and an elastic member 430. The valve body 410 is provided with a fifth channel 411. The valve core 420 is movably arranged in the fifth channel 411. One end of the elastic member 430 is connected to the valve core 420, and the other end of the elastic member 430 is connected to the valve body 410. The elastic member 430 is used to make the valve core 420 close the fifth channel 411, so that the pressure valve 400 has a one-way valve function. Specifically, the elastic member 430 is a component that can undergo axial elastic deformation, such as a compression spring. When the pressure of the second water pipe 720 is greater than the elastic force of the elastic member 430, the valve core 420 opens the fifth channel 411. When the pressure of the second water pipe 720 is less than the elastic force of the elastic member 430, the valve core 420 closes the fifth channel 411. No further details are given here.

[0055] Reference Figure 7 In some embodiments of the utility model, a water tank 810 and a pump body assembly 820 are also included. The boiler 600 is connected to the water tank 810 through a fifth water pipe 750. The pump body assembly 820 is arranged on the fifth water pipe 750 to pump the water in the water tank 810 into the boiler 600, and can automatically fill the boiler 600 with water for user convenience.

[0056] Specifically, the input end of the pump body assembly 820 is connected to the water tank 810, and the output end of the pump body assembly 820 is connected to the boiler 600, so as to pump the water in the water tank 810 into the boiler 600, and can automatically fill the boiler 600 with water for user convenience.

[0057] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0058] The embodiment is described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiment, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the present purpose.

Claims

1. A four-way joint, characterized in that: include: The joint body (100) is provided with a first channel (101), a second channel (102), a third channel (103) and a fourth channel (104) which are interconnected, wherein the first channel (101) is used to communicate with a steam valve (300), the second channel (102) is used to communicate with a pressure valve (400), the third channel (103) is used to communicate with a pressure gauge (500), and the fourth channel (104) is used to communicate with a boiler (600).

2. The cross joint according to claim 1, characterized in that: The joint body (100) comprises a first joint (110), a second joint (120), a third joint (130) and a fourth joint (140); the first channel (101) is arranged on the first joint (110); the second channel (102) is arranged on the second joint (120); the third channel (103) is arranged on the third joint (130); the fourth channel (104) is arranged on the fourth joint (140); the second joint (120), the third joint (130) and the fourth joint (140) are all arranged on the first joint (110).

3. The cross joint according to claim 2, characterized in that: Along the length direction of the first channel (101), the second joint (120), the third joint (130) and the fourth joint (140) are arranged side by side and at intervals.

4. The cross joint according to claim 2, characterized in that: The first connector (110), the second connector (120), the third connector (130) and the fourth connector (140) are an integrated structure.

5. The cross joint according to claim 2, characterized in that: The first joint (110) is provided with connecting ears (150) on two opposite sides in the width direction, respectively, and the connecting ears (150) are used to be connected to the body (200) of the coffee machine.

6. The cross joint according to claim 2, characterized in that: The second joint (120), the third joint (130) and the fourth joint (140) are located on the same straight line.

7. The cross joint according to claim 6, characterized in that: The second channel (102) is provided with a first through hole (1021) and a second through hole (1022) on two opposite sides, the third channel (103) is provided with a third through hole (1031) and a fourth through hole (1032) on two opposite sides, and the fourth channel (104) is provided with a fifth through hole (1041) and a sixth through hole (1042) on two opposite sides. The first through hole (1021), the third through hole (1031) and the fifth through hole (1041) are connected to form a first installation channel (105), and the first installation channel (105) is used for inserting one end of a U-shaped retaining ring. The second through hole (1022), the fourth through hole (1032) and the sixth through hole (1042) are connected to form a second installation channel (106), and the second installation channel (106) is used for inserting the other end of the U-shaped retaining ring.

8. The cross joint according to claim 2, characterized in that: The joint body (100) further comprises a first reinforcing rib (111), a second reinforcing rib (121), a third reinforcing rib (131) and a fourth reinforcing rib (141); the first reinforcing rib (111) is arranged on the first joint (110); the second reinforcing rib (121) is arranged on the second joint (120); the third reinforcing rib (131) is arranged on the third joint (130); the fourth reinforcing rib (141) is arranged on the fourth joint (140); the second reinforcing rib (121), the third reinforcing rib (131) and the fourth reinforcing rib (141) are all connected to the first reinforcing rib (111).

9. A coffee machine, characterized in that: The invention comprises a machine body (200), a steam valve (300), a pressure valve (400), a pressure gauge (500), a boiler (600) and a four-way joint according to any one of claims 1 to 8, wherein the boiler (600) and the four-way joint are both arranged on the machine body (200), the steam valve (300) is connected to the first channel (101) through a first water pipe (710), the pressure valve (400) is connected to the second channel (102) through a second water pipe (720), the pressure gauge (500) is connected to the third channel (103) through a third water pipe (730), and the boiler (600) is connected to the fourth channel (104) through a fourth water pipe (740).

10. The coffee machine according to claim 9, characterized in that It also includes a water tank (810) and a pump assembly (820); the boiler (600) is connected to the water tank (810) via a fifth water pipe (750); the pump assembly (820) is arranged on the fifth water pipe (750) to pump the water in the water tank (810) into the boiler (600).

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