Pipeline connecting device for evaporator of tube ice machine

Abstract

A pipeline connecting device for a tube ice machine evaporator belongs to the technical field of pipeline connection and comprises a transverse pipe, connecting pipes are arranged at two ends of the transverse pipe respectively, one end of each connecting pipe is connected with the transverse pipe in a matched mode through a movable connector, and external threads are arranged at the other end of each connecting pipe. A jacket cavity isolated from the outside is formed between the transverse pipe and the outer pipe, a movable pipe is installed in the transverse pipe in an airtight sliding mode, an annular filter plate is fixedly arranged in the jacket cavity, and the jacket cavity is divided into a left cavity and a right cavity through the annular filter plate. The device is simple in structure and ingenious in conception, the connecting pipe and the transverse pipe are connected through the movable connector, dismounting and mounting are convenient, and filtered-out matter and water scale in the transverse pipe are convenient to clean; the filter plate filters water, when filtered substances are excessive, the standby flow channel is opened by utilizing water pressure, the filtered substances are collected in the left cavity, and then the initial flow channel is recovered, so that the blockage of the transverse pipe is reduced, the cleaning frequency of the transverse pipe is reduced, the market demand can be met, and the device is suitable for popularization.

Description

Technical Field

[0001] The present invention belongs to the technical field of pipeline connection, and specifically relates to a pipeline connection device for an evaporator of an ice tube machine. Background Art

[0002] The evaporator pipelines of an ice tube machine usually involve refrigerant pipelines and water circulation pipelines. The refrigerant pipelines are used to connect the evaporator with a compressor, a condenser, and an expansion valve to form a refrigeration cycle, including a refrigerant input pipe (high-pressure liquid) and an output pipe (low-pressure gas); the water circulation pipelines are used to connect the evaporator with a water system (water pump, water tank, spraying device), responsible for water supply, spraying, and drainage, and also include a hot water or hot gas bypass pipeline for defrosting (used for assisting defrosting); among them, the water circulation pipelines are prone to scaling, and it is necessary to frequently clean the water circulation pipelines, and thus it is necessary to frequently disassemble and install the pipelines. Therefore, quick-connect pipe joints are usually used for the water circulation pipelines. The existing pipeline connection device is internally provided with a filter screen for filtering scale, reducing the flow of scale and the adverse effects on subsequent pipelines. However, the scale accumulated for a long time affects the normal use of the pipelines, and it is necessary to manually clean the accumulated scale. To solve the above problems, we have invented a pipeline connection device. Summary of the Invention

[0003] The present invention provides a pipeline connection device for an evaporator of an ice tube machine to solve the defects in the prior art.

[0004] The present invention is achieved through the following technical solutions: A pipeline connection device for an evaporator of an ice tube machine includes a horizontal pipe. Connecting pipes are respectively provided at both ends of the horizontal pipe. One end of the connecting pipe is connected to the horizontal pipe through a movable joint, and the other end is provided with an external thread. An outer pipe is fixedly sleeved on the outer periphery of the horizontal pipe, and a jacket cavity isolated from the outside is formed between the horizontal pipe and the outer pipe. A movable pipe is hermetically and slidably installed in the horizontal pipe. An annular filter plate is fixedly provided in the jacket cavity. The annular filter plate divides the jacket cavity into a left cavity and a right cavity. A filter plate is fixedly provided at one end of the movable pipe. A slag collection port communicating with the left cavity and a water return port communicating with the right cavity are opened on the horizontal pipe. A water return hole capable of communicating with the water return port is opened on the movable pipe. The movable pipe and the horizontal pipe are connected through a reset elastic member.

[0005] For a pipeline connection device for an evaporator of an ice tube machine as described above, the reset elastic member is a spring telescopic rod. A stop rod is fixedly installed on the movable pipe. The stop rod can slide left and right in the water return port. One end of the stop rod is fixedly connected to the spring telescopic rod, and the other end of the spring telescopic rod is fixedly connected to the horizontal pipe.

[0006] A pipe connection device for an evaporator of an ice tube machine as described above, wherein an internally threaded pipe is slidably provided in the right cavity, a screw rod is installed in the internally threaded pipe in an internally threaded fit, one end of the screw rod extends out of the outer pipe through a reserved hole on the outer pipe, and the screw rod is rotationally and sealingly connected to the outer pipe. Two lever rods are fixedly installed on the internally threaded pipe, and the stop rod is located between the two lever rods.

[0007] A pipe connection device for an evaporator of an ice tube machine as described above, wherein the movable joint includes a sleeve, the sleeve is slidably sleeved on the connecting pipe, the end of the horizontal pipe is inserted into the sleeve, a sealing gasket ring is fixedly provided at the end of the connecting pipe, the sealing gasket ring is clamped between the connecting pipe and the horizontal pipe, a through hole is opened on the sleeve, a clamping bead is movably provided in the through hole, the clamping bead can only move radially along the sleeve in the through hole, a clamping groove is opened on the horizontal pipe corresponding to the clamping bead, a sliding ring for preventing the clamping bead from moving out of the clamping groove is slidably sleeved on the outer periphery of the sleeve, and the sliding ring is connected to the sleeve through a return spring.

[0008] A pipe connection device for an evaporator of an ice tube machine as described above, wherein a transverse chute is opened on the inner wall of the sleeve, a sliding rod is slidably provided in the transverse chute, and the sliding rod is fixed on the connecting pipe.

[0009] A pipe connection device for an evaporator of an ice tube machine as described above, wherein a slag discharge port communicating with the left cavity is opened on the outer pipe, and a sealing cover is installed in the slag discharge port in an internally threaded fit.

[0010] A pipe connection device for an evaporator of an ice tube machine as described above, wherein the clamping groove is an annular groove coaxial with the horizontal pipe, and the cross section of the annular groove is a curved surface capable of fitting with the clamping bead.

[0011] The advantages of the present invention are as follows: The structure of the present invention is simple and ingenious in conception. The connecting pipe and the horizontal pipe are connected through a movable joint, and the disassembly and installation are convenient, which is convenient for cleaning the filtered substances and scale in the horizontal pipe; the filter plate filters water. When there are too many filtered substances, the standby flow channel is opened by using water pressure, and the filtered substances are collected in the left cavity, and then the initial flow channel is restored, so as to reduce the blockage of the horizontal pipe and reduce the cleaning frequency of the horizontal pipe, which can meet the market demand and is suitable for popularization. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0013] Figure 1 is a schematic structural diagram of the present invention; Figure 2 is Figure 1 a partial enlarged view of part Ⅰ of Figure 3 isFigure 1 Partial enlarged view at II

[0014] Reference numerals: 1, horizontal pipe; 2, connecting pipe; 3, outer pipe; 4, jacket cavity; 5, movable pipe; 6, annular filter plate; 7, filter plate; 8, slag collection port; 9, water return port; 10, water return hole; 11, reset elastic member; 20, stop bar; 30, internally threaded pipe; 31, screw rod; 32, lever; 40, sleeve; 41, sealing gasket ring; 42, through hole; 43, detent ball; 44, card slot; 45, sliding ring; 46, return spring; 50, transverse chute; 51, slide bar; 60, slag discharge port; 61, sealing cover. Detailed implementation manners

[0015] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Apparently, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0016] A pipe connection device for an evaporator of a tube ice machine, as shown in Figure 1 , Figure 2 , Figure 3As shown in the figure, it includes a horizontal pipe 1. Connecting pipes 2 are respectively provided at both ends of the horizontal pipe 1. Both the horizontal pipe 1 and the connecting pipes 2 are circular pipes. One end of the connecting pipe 2 is connected to the horizontal pipe 1 through a movable joint, and the other end is provided with an external thread for threaded connection with the pipeline. An outer pipe 3 is fixedly sleeved on the outer periphery of the horizontal pipe 1. The inner holes at both ends of the outer pipe 3 are respectively hermetically and fixedly connected to the outer periphery of the horizontal pipe 1. A jacket cavity 4 isolated from the outside is formed between the horizontal pipe 1 and the outer pipe 3. A movable pipe 5 is hermetically and slidably installed in the horizontal pipe 1. The outer periphery of the movable pipe 5 is in airtight sliding contact with the inner periphery of the horizontal pipe 1. The horizontal pipe 1, the connecting pipes 2, the outer pipe 3 and the movable pipe 5 are coaxially arranged. An annular filter plate 6 is fixedly provided in the jacket cavity 4. The annular filter plate 6 divides the jacket cavity 4 into a left cavity and a right cavity. The annular filter plate 6 is an annular plate provided with filter holes. The inner periphery of the annular plate is fixedly connected to the outer periphery of the horizontal pipe 1, and the outer periphery is fixedly connected to the inner periphery of the outer pipe 3. A filter plate 7 is fixedly provided at one end of the movable pipe 5. The filter plate 7 plugs the left end of the movable pipe 5. The filter plate 7 is a circular plate provided with filter holes. A slag collection port 8 communicating with the left cavity and a water return port 9 communicating with the right cavity are opened on the horizontal pipe 1. A water return hole 10 capable of communicating with the water return port 9 is opened on the movable pipe 5. In the initial state, the movable pipe 5 blocks the slag collection port 8 and the water return port 9, and the horizontal pipe 1 blocks the water return hole 10. The movable pipe 5 and the horizontal pipe 1 are connected by a reset elastic member 11. The structure of the present invention is simple and ingenious. The connecting pipe 2 and the horizontal pipe 1 are connected through a movable joint, which is convenient for disassembly and installation, and is convenient for cleaning the filter residues and scale in the horizontal pipe 1; the filter plate 7 filters the water. When there is too much filter residue, the standby flow channel is opened by using water pressure, and the filter residues are collected in the left cavity, and then the initial flow channel is restored, so as to reduce the blockage of the horizontal pipe 1 and reduce the cleaning frequency of the horizontal pipe 1, which can meet the market demand and is suitable for promotion. When using the present invention, first install the two connecting pipes 2 in the water supply pipeline, and then install the horizontal pipe 1 between the two connecting pipes 2 through the movable joint, and make the left end of the horizontal pipe 1 face the high-pressure water source. The horizontal pipe 1 is convenient for cleaning and replacement; the high-pressure water source enters the horizontal pipe 1 through the left connecting pipe 2 and flows out through the right connecting pipe 2. When the water flow passes through the filter plate 7, the filter plate 7 filters the water, and the filter residues accumulate on the left side of the filter plate 7. The filter residues include particulate impurities and scale lumps in the water. At this time, the water enters from the left end of the movable pipe 5 and flows out from the right end. This flow channel is the initial flow channel; when the filter residues accumulated on the left side of the filter plate 7 are too much, the filter holes of the filter plate 7 are blocked. Under the action of water pressure, the filter plate 7 and the movable pipe 5 are pushed to move to the right until the movable pipe 5 no longer blocks the slag collection port 8 and the water return port 9. At this time, the horizontal pipe 1 also no longer blocks the water return hole 10. At this time, the standby flow channel is opened, and the water and filter residues at the left end of the horizontal pipe 1 enter the left cavity through the slag collection port 8. The filter residues are filtered by the annular filter plate 6 again and are intercepted in the left cavity. The water enters the right cavity and then flows back into the movable pipe 5 through the water return port 9 and the water return hole 10; as the filter residues on the left side of the filter plate 7 decrease, the movable pipe 5 restores the initial flow channel under the action of the reset elastic member 11, so as to realize the automatic cleaning of the initial flow channel and reduce the blockage.

[0017] Specifically, as Figure 1 and Figure 3 shown, the reset elastic member 11 in this embodiment is a spring telescopic rod. The spring telescopic rod has waterproof performance and can be used in water. A stop rod 20 is fixedly installed on the moving pipe 5. The stop rod 20 can slide left and right in the water return port 9. The stop rod 20 is fixedly connected to one end of the spring telescopic rod, and the other end of the spring telescopic rod is fixedly connected to the horizontal pipe 1. The spring telescopic rod is located in the right cavity, reducing the erosion of scale on the spring telescopic rod and preventing the spring telescopic rod from being immersed in the circulating water flow for a long time. When the moving pipe 5 moves to the right relative to the horizontal pipe 1, the moving pipe 5 drives one end of the spring telescopic rod to move through the stop rod 20, and the spring telescopic rod is compressed to store energy, and the stop rod 20 slides to the right in the water return port 9; when the acting force on the moving pipe 5 to the right disappears, under the action of the spring telescopic rod, the moving pipe 5 moves to the left to reset.

[0018] Specifically, as Figure 1 and Figure 3As shown in the figure, an internally threaded tube 30 is slidably arranged in the right cavity. The internally threaded tube 30 is arranged parallel to the horizontal tube 1. A strip-shaped chute is opened on the inner wall of the outer tube 3. A slider is slidably arranged in the strip-shaped chute, and the slider is fixedly connected to the internally threaded tube 30. When the internally threaded tube 30 moves left and right, it drives the slider to slide left and right along the strip-shaped chute, avoiding the rotation of the internally threaded tube 30 with the screw 31. The internally threaded tube 30 is internally threaded and fitted with the screw 31. One end of the screw 31 extends out of the outer tube 3 through a reserved hole on the outer tube 3, and the screw 31 is rotationally and sealingly connected to the outer tube 3. The rotational and sealing connection adopts mechanical seal - end face seal, and the end face seal can maintain a good rotational sealing effect under high pressure. The other end of the screw 31 is rotationally connected to the outer tube 3 through a shaft seat to increase the stability of the screw 31. A handwheel is fixedly installed at the end of the screw 31 extending out of the outer tube 3, and it is more labor-saving to turn the screw 31 through the handwheel. Two lever rods 32 are fixedly installed on the internally threaded tube 30, and the stop rod 20 is located between the two lever rods 32. In the initial state, when the moving tube 5 moves left and right, it drives the stop rod 20 to move between the two lever rods 32, and the lever rods 32 do not block the movement of the stop rod 20. Turn the screw 31 to make the internally threaded tube 30 move left and right along the screw 31. The internally threaded tube 30 drives the lever rods 32 to move left and right. When manual slag discharge is required, turn the screw 31 to make the internally threaded tube 30 drive the lever rod 32 to move to the right until the left lever rod 32 comes into contact and cooperation with the stop rod 20, thereby driving the stop rod 20 and the moving tube 5 to move to the right. The force for turning the screw 31 is increased. Continue to turn the screw 31, and the moving tube 5 moves to the right, and the spring telescopic rod is compressed to store energy until the slag collection port 8, the water return port 9, and the water return hole 10 are opened to achieve manual slag discharge and can maintain this state. Turn the screw 31 in the reverse direction again, and the above process is reversed to restore the initial state. Continue to turn the screw 31 in the reverse direction to make the right lever rod 32 abut against the stop rod 20, thereby restricting the rightward movement of the moving tube 5 and keeping the slag collection port 8, the water return port 9, and the water return hole 10 in a closed state. At this time, it is convenient to discharge and clean the slag in the left cavity.

[0019] Further, as Figure 1 and Figure 2As shown in the figure, the movable joint in this embodiment includes a sleeve 40. The sleeve 40 is slidably sleeved on the connecting pipe 2. The sleeve 40 and the connecting pipe 2 are coaxially arranged. The inner circumference of the sleeve 40 is in airtight sliding contact and cooperation with the outer circumference of the connecting pipe 2. The end of the horizontal pipe 1 is inserted into the sleeve 40. The outer circumference of the horizontal pipe 1 is in sliding contact and cooperation with the inner circumference of the sleeve 40. A sealing gasket ring 41 is fixedly provided at the end of the connecting pipe 2. The sealing gasket ring 41 is clamped between the connecting pipe 2 and the horizontal pipe 1. A through hole 42 is provided on the sleeve 40. The axis of the through hole 42 is distributed along the radial direction of the sleeve 40. A clamping bead 43 is movably arranged in the through hole 42. The clamping bead can only move along the radial direction of the sleeve 40 within the through hole 42. Stop rings for preventing the clamping bead 43 from falling out are respectively provided at both ends of the through hole 42. A clamping groove 44 is provided on the horizontal pipe 1 corresponding to the clamping bead 43. A sliding ring 45 for preventing the clamping bead 43 from moving out of the clamping groove 44 is slidably sleeved on the outer circumference of the sleeve 40. The inner circumference of the sliding ring 45 is in sliding contact and cooperation with the outer circumference of the sleeve 40. The sliding ring 45 and the sleeve 40 are coaxially arranged. The sliding ring 45 and the sleeve 40 are connected by a return spring 46. The return spring 46 is sleeved on the outer circumference of the sleeve 40. One end of the return spring 46 is fixedly connected to the sliding ring 45, and the other end is fixedly connected to the sleeve 40. When the clamping bead 43 is located in the clamping groove 44, one side of the clamping bead 43 is in contact with the clamping groove 44, and the other side is in close contact and cooperation with the inner wall of the sliding ring 45, increasing the connection stability between the sleeve 40 and the horizontal pipe 1. When the horizontal pipe 1 is separated from the connecting pipe 2, first, the sliding ring 45 is pushed towards the end of the connecting pipe 2 with an external thread. The return spring 46 is compressed and stores energy, so that the sliding ring 45 is moved away from the outside of the through hole 42, so that the clamping bead 43 can be moved out of the clamping groove 44. The sliding ring 45 drives the sleeve 40 to move along the connecting pipe 2, and the sleeve 40 gradually moves away from the end of the horizontal pipe 1. At this time, the horizontal pipe 1 can be moved away from between the two connecting pipes 2; conversely, when the above process is carried out in reverse order, the horizontal pipe 1 can be quickly installed between the two connecting pipes 2; when the clamping bead 43 is located in the clamping groove 44, the sleeve 40 cannot continue to slide away from the external thread of the connecting pipe 2.

[0020] Furthermore, as Figure 1 and Figure 2 shown, a horizontal sliding groove 50 is provided on the inner wall of the sleeve 40 in this embodiment. A sliding rod 51 is slidably arranged in the horizontal sliding groove 50. The sliding rod 51 is fixed on the connecting pipe 2. With the cooperation of the horizontal sliding groove 50 and the sliding rod 51, the sleeve 40 can only slide left and right relative to the connecting pipe 2; and when the clamping bead 43 is located in the clamping groove 44, the sliding rod 51 is exactly located at the end of the horizontal sliding groove 50, so that the sealing gasket ring 41 is kept clamped between the connecting pipe 2 and the horizontal pipe 1, and the sealing gasket ring 41 undergoes elastic deformation, forming a good seal between the connecting pipe 2, the horizontal pipe 1 and the sleeve 40.

[0021] Furthermore, as Figure 1As shown, a slag discharge port 60 communicating with the left cavity is provided on the outer tube 3 of this embodiment, and a sealing cover 61 is installed in the slag discharge port 60 by screw thread fitting. The opening and closing of the slag discharge port 60 are controlled by the sealing cover 61. When the slag discharge port 60 is opened, the scale collected in the left cavity can be discharged from the outer tube 3.

[0022] Furthermore, as Figure 1 and Figure 2 shown, the clamping groove 44 of this embodiment is an annular groove coaxial with the horizontal tube 1, and the cross-section of the annular groove is a curved surface that can fit with the clamping bead 43. The annular groove facilitates the relative rotation of the horizontal tube 1 with respect to the sleeve 40 and facilitates the clamping bead 43 to be clamped into the clamping groove 44.

[0023] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A pipeline connection device for an evaporator of an ice tube machine, comprising a horizontal tube (1), both ends of the horizontal tube (1) are respectively provided with connecting tubes (2), one end of the connecting tube (2) is connected with the horizontal tube (1) through a movable joint, and the other end is provided with an external thread, characterized in that: An outer tube (3) is fixedly sleeved on the outer periphery of the horizontal tube (1). A jacket cavity (4) isolated from the outside is formed between the horizontal tube (1) and the outer tube (3). A movable tube (5) is hermetically and slidably installed in the horizontal tube (1). An annular filter plate (6) is fixedly arranged in the jacket cavity (4). The annular filter plate (6) divides the jacket cavity (4) into a left cavity and a right cavity. A filter plate (7) is fixedly arranged at one end of the movable tube (5). A slag collection port (8) communicating with the left cavity and a water return port (9) communicating with the right cavity are formed on the horizontal tube (1). A water return hole (10) capable of communicating with the water return port (9) is formed on the movable tube (5). The movable tube (5) and the horizontal tube (1) are connected by a reset elastic member (11).

2. The pipe connection device for an evaporator of an ice tube machine according to claim 1, characterized in that: The reset elastic member (11) is a spring telescopic rod. A stop rod (20) is fixedly installed on the movable tube (5). The stop rod (20) can slide left and right in the water return port (9). The stop rod (20) is fixedly connected to one end of the spring telescopic rod. The other end of the spring telescopic rod is fixedly connected to the horizontal tube (1).

3. The pipeline connection device for an evaporator of an ice tube machine according to claim 2, characterized in that: An internally threaded tube (30) is slidably arranged in the right cavity. A screw rod (31) is installed in the internally threaded tube (30) by internal thread fit. One end of the screw rod (31) extends out of the outer tube (3) through a reserved hole on the outer tube (3). And the screw rod (31) is rotationally and hermetically connected to the outer tube (3). Two dial rods (32) are fixedly installed on the internally threaded tube (30). The stop rod (20) is located between the two dial rods (32).

4. A pipe connection device for an evaporator of an ice tube machine according to claim 1, characterized in that: The movable joint includes a sleeve (40). The sleeve (40) is slidably sleeved on the connecting pipe (2). The end of the horizontal tube (1) is inserted into the sleeve (40). A sealing gasket ring (41) is fixedly arranged at the end of the connecting pipe (2). The sealing gasket ring (41) is clamped between the connecting pipe (2) and the horizontal tube (1). A through hole (42) is formed on the sleeve (40). A clamping bead (43) is movably arranged in the through hole (42). The clamping bead can only move radially along the sleeve (40) in the through hole (42). A clamping groove (44) corresponding to the clamping bead (43) is formed on the horizontal tube (1). A sliding ring (45) for preventing the clamping bead (43) from moving out of the clamping groove (44) is slidably sleeved on the outer periphery of the sleeve (40). The sliding ring (45) is connected to the sleeve (40) by a reset spring (46).

5. The pipe connection device for an evaporator of an ice tube machine according to claim 4, characterized in that: A transverse chute (50) is formed on the inner wall of the sleeve (40). A sliding rod (51) is slidably arranged in the transverse chute (50). The sliding rod (51) is fixed on the connecting pipe (2).

6. The pipe connection device for an evaporator of an ice tube machine according to claim 1, characterized in that: A slag discharge port (60) communicating with the left cavity is formed on the outer tube (3). A sealing cover (61) is installed in the slag discharge port (60) by internal thread fit.

7. A pipe connection device for an evaporator of a tube ice machine according to claim 4, characterized in that: The clamping groove (44) is an annular groove coaxial with the horizontal tube (1). And the cross section of the annular groove is a curved surface capable of fitting with the clamping bead (43).

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