Connecting device capable of automatically adjusting flow direction based on temperature

Abstract

The utility model discloses a connecting device capable of automatically adjusting flow direction based on temperature, which comprises an upper shell and a lower shell which are connected in a sleeved mode, a feeding port and a first discharging port are arranged on the lower shell in a communicated mode, a second discharging port is arranged on the upper shell in a communicated mode, a sealing nut used for sealing the second discharging port is arranged in the upper shell, and the sealing nut is arranged on the lower shell. The lower shell is provided with a lower valve element used for blocking the first discharging opening, and a temperature control telescopic assembly is arranged between the sealing nut and the lower valve element. The temperature control telescopic assemblies are arranged in the upper shell and the lower shell, the temperature control telescopic assemblies drive the lower valve element and the sealing nut to move according to the principle of thermal expansion and cold contraction caused by temperature changes of fluid media, the two discharging ports are plugged respectively, the flow direction of the fluid media is changed accordingly, the using structure is simplified, and the service life is prolonged; and the use stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle pipelines, in particular to a connection device that automatically adjusts flow direction based on temperature. Background Art

[0002] At present, the automobile piping system needs to control the flow of fluid medium to different pipeline branches under different temperature conditions, especially when the temperature of the fluid medium rises during use, and timely heat dissipation and cooling treatment are required. Currently, the thermostat component is mainly added. Since it is set in the flow direction of a pipeline, the temperature of the fluid medium rises. Even if it circulates, the efficiency of the thermostat will be greatly reduced due to untimely heat dissipation. Moreover, such components are mainly made of metal materials, which are not only heavy but also costly. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the utility model is to provide a connection device which can reduce weight and ensure stability in use and can automatically adjust the flow direction based on temperature.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a connection device that automatically adjusts the flow direction based on temperature, including an upper shell and a lower shell that are sleeve-connected, a feed port and a first discharge port are connected on the lower shell, a second discharge port is connected on the upper shell, a sealing nut for sealing the second discharge port is provided in the upper shell, a lower valve core for sealing the first discharge port is provided on the lower shell, and a temperature-controlled telescopic assembly is provided between the sealing nut and the lower valve core.

[0005] With the above structure, a sleeved upper shell and a lower shell are provided to ensure the sealing of the installation. Only a temperature-controlled telescopic component, a sealing nut and a lower valve core for sealing the discharge port are provided in the internal cavity formed by the sleeve connection of the two shells, which greatly simplifies the structure and thus reduces the weight. When in use, the sealing nut initially blocks the second discharge port, and the fluid medium in the two shells enters from the feed port and is discharged from the first discharge port. When the temperature of the fluid medium in the pipeline rises to a certain temperature, the temperature-controlled telescopic component expands after being heated and drives the lower valve core and the sealing nut to move downward along the guide rod. When the lower valve core moves to the feed end position of the first discharge port, the sealing is achieved. When the sealing nut is disconnected from the feed end of the second outlet, the blocking position is opened, and the fluid medium is discharged through the second outlet, thereby realizing the flow direction redirection of the fluid medium; similarly, when the temperature of the fluid medium drops to a certain temperature, the temperature-controlled telescopic component contracts when it is cold and drives the lower valve core and the sealing nut to move upward along the guide rod, thereby opening the blocking position of the first outlet, and the second outlet is blocked at the same time, realizing the flow direction redirection of the fluid medium again; the principle of thermal expansion and contraction is used to drive the movement of components to realize the adjustment of the discharge direction, which reduces the loss of components, extends the service life of components, and improves the stability of performance while ensuring the use of sealing.

[0006] In order to better ensure the installation sealing and simplify the structure, preferably, a boss is provided on one side of the outer side wall of the lower shell, and a first step hole is provided on one side of the upper shell. One end of the lower shell extends into the large hole end of the first step hole, and the end face of the large hole end of the first step hole abuts against the end face of the corresponding end of the boss, and the end face of the extending end of the lower shell abuts against the step face, thereby realizing the sleeve connection between the upper shell and the lower shell.

[0007] In order to simplify the structure and facilitate installation, preferably, the temperature-controlled telescopic assembly includes a support seat, a sleeve and a guide rod arranged in the upper shell and extending into the sleeve, the support seat includes a positioning ring and a fixing plate connected by a support plate, the positioning ring is sleeved and positioned with the lower shell, a sleeve is inserted on the fixing plate, and a sealing hose, an isolation ring and a sealing ring are arranged in the sleeve from the inside to the outside, the sealing hose and the inner wall of the sleeve are enclosed to form a cavity filled with a heat-absorbing medium, the sealing nut is threadedly connected to the connecting block arranged on the sleeve and abuts against the outer wall of the sealing ring; a reset spring is sleeved on the outer side of the sleeve, one end of the reset spring abuts against the bottom of the directional groove arranged on the fixing plate, and the other end abuts against the end face of the corresponding end of the connecting block to limit the position.

[0008] In order to facilitate the installation and limiting of the support seat, preferably, a second step hole is provided in the lower shell body, a limiting groove connected to the step surface is provided on the hole wall of the small hole end of the second step hole, and a limiting block is provided at the connection position of the support plate and the positioning ring. When the support seat is placed in the lower shell body, the positioning ring overlaps the step surface of the second step hole, the outer end face of the positioning ring abuts the step surface of the first step hole, and the limiting block is placed in the limiting groove to position the support seat in the horizontal direction.

[0009] In order to facilitate the installation between the sealing hose and the guide rod, preferably, a third step hole is provided in the sleeve, a protrusion overlapping the step surface of the third step hole is provided on one side of the sealing hose, and a clearance hole connected with the sealing hose is provided on the protrusion; through holes are provided at the positions of the sealing nut, the isolation ring and the sealing ring corresponding to the clearance holes, and the guide rod passes through the sealing nut, the sealing ring and the isolation ring from the outside to the inside in sequence through the through holes, and the protruding end of the guide rod extends into the sealing hose through the clearance hole.

[0010] To facilitate the installation of the guide rod, preferably, a fixing sleeve is integrally formed in the upper shell, a fixing groove is provided in the fixing sleeve, a limiting protrusion is provided on the guide rod, one end of the guide rod extends into the fixing sleeve, and the limiting protrusion is embedded in the fixing groove.

[0011] To facilitate the installation of the lower valve core, preferably, a connecting rod is provided at the protruding end of the sleeve, an annular groove is provided on the connecting rod, a check ring is embedded in the annular groove, the lower valve core is sleeved on the outer wall of the connecting rod, the inner wall of the lower valve core abuts against the outer wall of the fixed plate, and the outer wall of the lower valve core abuts against the inner wall of the check ring.

[0012] In order to ensure the sealing of the lower valve core in the blocking position, preferably, a first placement groove is provided around the inner wall of the lower valve core, an inner sealing ring is provided in the first placement groove, and the outer wall of the inner sealing ring is fitted with the outer wall of the connecting rod; a second placement groove is provided around the outer wall of the lower valve core, a first outer sealing ring is provided in the second placement groove, and the outer wall of the first outer sealing ring is fitted with the inner shell wall of the lower shell.

[0013] In order to ensure the sealing performance of the sealing nut in the blocking position, preferably, a third placement groove is arranged around the outer wall of the sealing nut, a second outer sealing ring is arranged in the third placement groove, and the outer wall of the second outer sealing ring is in contact with the inner shell wall of the upper shell.

[0014] In order to better achieve movement limitation of the lower valve core and the sealing nut, preferably, a first boss surface is provided on the inner side of the upper shell body at the position of the feed end corresponding to the second discharge port, and the outer side wall of the sealing nut abuts against the first boss surface for limitation; a second boss surface is provided on the inner side of the lower shell body at the position of the feed end corresponding to the first discharge port, and the outer side wall of the lower valve core abuts against the second boss surface for limitation.

[0015] Beneficial effects: The utility model arranges temperature-controlled telescopic components in the upper and lower shells, and uses the principle of thermal expansion and contraction caused by the temperature change of the fluid medium to drive the lower valve core and the sealing nut to move, so as to respectively block the two discharge ports and thereby change the flow direction of the fluid medium, thereby simplifying the use structure, extending the service life, and improving the stability of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 It is an exploded view of the utility model.

[0018] Figure 2 It is a schematic diagram of the structure of the upper shell.

[0019] Figure 3 It is a schematic diagram of the structure of the lower shell.

[0020] Figure 4 It is a structural schematic diagram of the support seat.

[0021] Figure 5 This is a three-dimensional diagram of the internal structure of the sealing nut.

[0022] Figure 6 Schematic diagram of the casing structure.

[0023] Figure 7 It is a schematic diagram of the structure of the sealing hose.

[0024] Figure 8 It is a schematic diagram of the installation structure of the utility model.

[0025] Fig. 9 This is a usage state diagram of the utility model.

[0026] The meanings of the symbols in the accompanying drawings are:

[0027] Upper shell-1; first step hole-10; second discharge port-11; fixing sleeve-12; fixing groove-121; first boss surface-13;

[0028] Lower housing 2; feed port 20; first discharge port 21; lower valve core 22; inner sealing ring 221; first outer sealing ring 222; boss 23; second step hole 24; limiting groove 241; second boss surface 25;

[0029] Support plate-30; limit block-301; positioning ring-31; fixing plate-32; directional groove-321; return spring-33;

[0030] Sealing nut-4; second outer sealing ring-41; sleeve-5; third step hole-50; connecting rod-51; stop ring-52; connecting block-53;

[0031] Sealing ring-6; isolating ring-7; sealing hose-8; protrusion-80; clearance hole-81; guide rod-9; limiting protrusion-91. DETAILED DESCRIPTION

[0032] Depend on Figures 1 to 9 As shown, the utility model includes an upper shell 1 and a lower shell 2 which are sleeve-connected, a feed port 20 and a first discharge port 21 are connected on the lower shell 2, a second discharge port 11 is connected on the upper shell 1, a sealing nut 4 for blocking the second discharge port 11 is provided in the upper shell 1, a lower valve core 22 for blocking the first discharge port 21 is provided on the lower shell 2, and a temperature-controlled telescopic component is provided between the sealing nut 4 and the lower valve core 22.

[0033] Specifically, a boss 23 is provided around one side of the outer wall of the lower shell 2, and a first step hole 10 is provided on one side of the upper shell 1. One end of the lower shell 2 extends into the large hole end of the first step hole 10, and the end face of the large hole end of the first step hole 10 abuts against the end face of the corresponding end of the boss 23, and the end face of the extending end of the lower shell 2 abuts against the step face, thereby realizing the sleeve connection between the upper shell 1 and the lower shell 2.

[0034] The temperature control telescopic assembly includes a support seat, a sleeve 5 and a guide rod 9 arranged in the upper shell 1 and extending into the sleeve 5. The support seat includes a positioning ring 31 and a fixing plate 32 connected by a support plate 30. The positioning ring 31 is sleeved and positioned with the lower shell 2. A sleeve 5 is inserted on the fixing plate 32. A sealing hose 8, an isolation ring 7 and a sealing ring 6 are arranged in sequence from the inside to the outside of the sleeve 5. The sealing hose 8 and the inner wall of the sleeve 5 are enclosed to form a cavity filled with a heat-absorbing medium. The sealing nut 4 is screwed with a connecting block 53 arranged on the sleeve 5 and abuts against the outer wall of the sealing ring 6. A reset spring 33 is sleeved on the outer side of the sleeve 5, one end of the reset spring 33 abuts against the bottom of the directional groove 321 arranged on the fixing plate 32, and the other end abuts against the end face of the corresponding end of the connecting block 53 for limiting.

[0035] A second step hole 24 is provided in the lower shell body 2, and a limiting groove 241 connected to the step surface is provided on the hole wall of the small hole end of the second step hole 24, and a limiting block 301 is provided at the connection position of the support plate 30 and the positioning ring 31. When the support seat is placed in the lower shell body 2, the positioning ring 31 overlaps the step surface of the second step hole 24, and the outer end surface of the positioning ring 31 abuts against the step surface of the first step hole 10, and the limiting block 301 is placed in the limiting groove 241 to position and install the support seat in the horizontal direction.

[0036] A third step hole 50 is provided in the sleeve 5, a protrusion 80 overlapping the step surface of the third step hole 50 is provided on one side of the sealing hose 8, and a clearance hole 81 connected with the sealing hose 8 is provided on the protrusion 80; through holes are provided at the positions corresponding to the clearance hole 81 on the sealing nut 4, the isolation ring 7 and the sealing ring 6, and the guide rod 9 passes through the sealing nut 4, the sealing ring 6 and the isolation ring 7 from the outside to the inside in sequence through the through holes, and the protruding end of the guide rod 9 extends into the sealing hose 8 through the clearance hole 81.

[0037] A fixing sleeve 12 is integrally formed in the upper shell 1 , a fixing groove 121 is provided in the fixing sleeve 12 , a limiting protrusion 91 is provided on the guide rod 9 , one end of the guide rod 9 extends into the fixing sleeve 12 , and the limiting protrusion 91 is embedded in the fixing groove 121 .

[0038] The outlet end of the sleeve 5 is provided with a connecting rod 51, on which an annular groove is provided, and a check ring 52 is embedded in the annular groove. The lower valve core 22 is sleeved on the outer wall of the connecting rod 51, and the inner wall of the lower valve core 22 abuts against the outer wall of the fixed plate 32, and the outer wall of the lower valve core 22 abuts against the inner wall of the check ring 52; a first placement groove is arranged around the inner wall of the lower valve core 22, and an inner sealing ring 221 is arranged in the first placement groove, and the outer wall of the inner sealing ring 221 is fitted with the outer wall of the connecting rod 51; a second placement groove is arranged around the outer wall of the lower valve core 22, and a first outer sealing ring 222 is arranged in the second placement groove, and the outer wall of the first outer sealing ring 222 is fitted with the inner shell wall of the lower shell 2; a third placement groove is arranged around the outer wall of the sealing nut 4, and a second outer sealing ring 41 is arranged in the third placement groove, and the outer wall of the second outer sealing ring 41 is fitted with the inner shell wall of the upper shell 1.

[0039] A first boss surface 13 is provided on the inner side of the upper shell 1 at a position corresponding to the feed end of the second discharge port 11, and the outer side wall of the sealing nut 4 abuts against the first boss surface 13 for limiting position; a second boss surface 25 is provided on the inner side of the lower shell 2 at a position corresponding to the feed end of the first discharge port 21, and the outer side wall of the lower valve core 22 abuts against the second boss surface 25 for limiting position.

[0040] The operating principle of the utility model is as follows:

[0041] like Figures 1 to 9 As shown, during installation, first extend one end of the guide rod 9 into the fixing sleeve 12, and the limiting protrusion 91 is embedded in the fixing groove 121; then put the support seat into the lower shell 2, at this time, the positioning ring 31 overlaps the step surface of the second step hole 24, the outer end surface of the positioning ring 31 abuts against the step surface of the first step hole 10, and the limiting block 301 is placed in the limiting groove 241 to position the support seat in the horizontal direction.

[0042] like Figure 1 , Figures 4 to 8 As shown, then, the reset spring 33 is vertically placed on the fixed plate 32, one end of the reset spring 33 is abutted against the bottom of the directional groove 321, and then the sleeve 5 is placed in the reset spring 33, and the other end of the reset spring 33 is abutted against the end surface of the corresponding end of the connecting block 53 for limiting, and the lower valve core 22 is sleeved on the outer wall of the connecting rod 51, the inner wall of the lower valve core 22 is abutted against the outer wall of the fixed plate 32, and the outer wall of the lower valve core 22 is abutted against the inner wall of the stop ring 52.

[0043] Then, put a mixture of paraffin and copper powder into the sleeve 5, and then put the sealing hose 8, the isolation ring 7 and the sealing ring 6 into the third step hole 50 in the sleeve 5 in turn, insert the sealing hose 8 into the mixture, and then screw the sealing nut 4 on the connecting block 53, and make the sealing nut 4 abut against the outer wall of the sealing ring 6.

[0044] Finally, the guide rod 9 is passed through the sealing nut 4, the sealing ring 6 and the isolation ring 7 from the outside to the inside in sequence through the through hole, and the protruding end of the guide rod 9 is extended into the sealing hose 8 through the clearance hole 81, and then one end of the lower shell 2 is extended into the large hole end of the first step hole 10, and the end face of the large hole end of the first step hole 10 abuts against the end face of the corresponding end of the boss 23, and the end face of the protruding end of the lower shell 2 abuts against the step surface of the first step hole 10, so as to realize the sleeve connection between the upper shell 1 and the lower shell 2. At the same time, the outer side wall of the sealing nut 4 abuts against the first boss surface 13 to limit the position, the feed port 20 and the first discharge port 21 are in a connected state, the second discharge port 11 is blocked, and the second outer sealing ring 41 fits against the inner shell wall of the upper shell 1.

[0045] When using, Figure 8 and Fig. 9As shown, as the temperature of the fluid medium rises, when the temperature rises to a certain temperature, the mixture in the sleeve 5 expands in volume after being heated, and the sealing hose 8 is compressed. Since the sealing hose 8 wraps the guide rod 9, the reaction force formed by the compression force and the pressure of the expansion of the mixture on the inner wall of the sleeve 5 jointly form a thrust on the sleeve 5, and the sleeve 5 extends out of the fixed plate 32, and drives the lower valve core 22 to move to the position of the first discharge port 21 at the same time. At the same time, the connecting block 53 squeezes the reset spring 33 and causes the sealing nut 4 to move downward and gradually leave the second discharge port 11. When the lower valve core 22 moves to the second boss surface 25 in the lower shell body 2 to abut against the limit position, the first discharge port 21 is blocked, the first outer sealing ring 222 fits with the inner shell wall of the lower shell body 2, the sealing nut 4 is separated from the feed end of the second discharge port 11, the second discharge port 11 is opened, and the fluid medium is discharged through the second discharge port 11.

[0046] Thereafter, when the temperature of the fluid medium gradually decreases and the expansion force is less than the elastic force of the return spring 33, under the action of the elastic force, the return spring 33 pushes the connecting block 53 and simultaneously drives the sleeve 5 to move upward along the guide rod 9, and when the outer wall of the sealing nut 4 abuts against the first boss surface 13 to limit the position, the second feed port 11 is blocked, the first discharge port 21 is opened, and the fluid medium is discharged through the first discharge port 21; this process is repeated, and the flow direction of the fluid medium is effectively adjusted by utilizing the temperature of the fluid medium to ensure the stability of the temperature regulation of the fluid medium.

[0047] It should be noted that, in order to ensure the reliability of sealing, the sleeve joints of the upper shell 1 and the lower shell 2 should be welded on the outside of the sleeve joints to better prevent leakage caused by loose sleeve joints.

Claims

1. A connection device that automatically adjusts flow direction based on temperature, Features: The invention comprises an upper shell (1) and a lower shell (2) which are sleeve-connected, wherein a feed port (20) and a first discharge port (21) are connectedly provided on the lower shell (2), a second discharge port (11) is connectedly provided on the upper shell (1), a sealing nut (4) for sealing the second discharge port (11) is provided in the upper shell (1), a lower valve core (22) for sealing the first discharge port (21) is provided in the lower shell (2), and a temperature control telescopic component is provided between the sealing nut (4) and the lower valve core (22).

2. A connection device for automatically adjusting flow direction based on temperature as claimed in claim 1, Features: A boss (23) is arranged around one side of the outer wall of the lower shell (2), and a first step hole (10) is arranged on one side of the upper shell (1). One end of the lower shell (2) extends into the large hole end of the first step hole (10), and the end surface of the large hole end of the first step hole (10) abuts against the end surface of the boss (23), and the end surface of the extending end of the lower shell (2) abuts against the step surface, thereby realizing the sleeve connection between the upper shell (1) and the lower shell (2).

3. A connection device for automatically adjusting flow direction based on temperature as claimed in claim 2, Features: The temperature control telescopic assembly comprises a support seat, a sleeve (5), and a guide rod (9) arranged in the upper shell (1) and extending into the sleeve (5); the support seat comprises a positioning ring (31) and a fixing plate (32) connected by a support plate (30); the positioning ring (31) is sleeved and positioned with the lower shell (2); the sleeve (5) is inserted into the fixing plate (32); a sealing hose (8), an isolation ring (7) and a sealing ring (6) are arranged in sequence from the inside to the outside in the sleeve (5); The sealing hose (8) and the inner wall of the sleeve (5) are combined to form a hollow cavity filled with a heat-absorbing medium; the sealing nut (4) is threadedly connected to a connecting block (53) arranged on the sleeve (5) and abuts against the outer wall of the sealing ring (6); a return spring (33) is sleeved on the outer side of the sleeve (5); one end of the return spring (33) abuts against the bottom of a directional groove (321) arranged on the fixing plate (32), and the other end abuts against the end face of the corresponding end of the connecting block (53) to limit the position.

4. A connection device for automatically adjusting flow direction based on temperature as claimed in claim 3, Features: A second step hole (24) is provided in the lower shell (2); a limiting groove (241) communicating with the step surface is provided on the hole wall of the small hole end of the second step hole (24); a limiting block (301) is provided at the connection position between the support plate (30) and the positioning ring (31); when the support seat is placed in the lower shell (2), the positioning ring (31) overlaps the step surface of the second step hole (24); the outer end surface of the positioning ring (31) abuts against the step surface of the first step hole (10); and the limiting block (301) is placed in the limiting groove (241) so as to position and install the support seat in the horizontal direction.

5. A connection device for automatically adjusting flow direction based on temperature as claimed in claim 3, Features: A third step hole (50) is provided in the sleeve (5), a convex block (80) overlapped with the step surface of the third step hole (50) is provided on one side of the sealing hose (8), and a clearance hole (81) connected with the sealing hose (8) is provided on the convex block (80); through holes are provided at positions corresponding to the clearance hole (81) on the sealing nut (4), the isolating ring (7) and the sealing ring (6), and the guide rod (9) passes through the sealing nut (4), the sealing ring (6) and the isolating ring (7) from the outside to the inside in sequence through the through holes, and the protruding end of the guide rod (9) extends into the sealing hose (8) through the clearance hole (81).

6. A connection device for automatically adjusting flow direction based on temperature as claimed in claim 5, Features: A fixing sleeve (12) is integrally formed in the upper shell (1), a fixing groove (121) is provided in the fixing sleeve (12), a limiting protrusion (91) is provided on the guide rod (9), one end of the guide rod (9) extends into the fixing sleeve (12), and the limiting protrusion (91) is embedded in the fixing groove (121).

7. A connection device for automatically adjusting flow direction based on temperature as claimed in claim 3, Features: The outlet end of the sleeve (5) is provided with a connecting rod (51), an annular groove is provided on the connecting rod (51), a backstop ring (52) is embedded in the annular groove, the lower valve core (22) is sleeved on the outer wall of the connecting rod (51), the inner wall of the lower valve core (22) abuts against the outer wall of the fixing plate (32), and the outer wall of the lower valve core (22) abuts against the inner wall of the backstop ring (52).

8. A connection device capable of automatically adjusting flow direction based on temperature as claimed in claim 7, Features: A first placement groove is arranged around the inner wall of the lower valve core (22), an inner sealing ring (221) is arranged in the first placement groove, and the outer wall of the inner sealing ring (221) is in contact with the outer wall of the connecting rod (51); a second placement groove is arranged around the outer wall of the lower valve core (22), a first outer sealing ring (222) is arranged in the second placement groove, and the outer wall of the first outer sealing ring (222) is in contact with the inner wall of the lower shell (2).

9. A connection device capable of automatically adjusting flow direction based on temperature as claimed in claim 5, Features: A third placement groove is arranged around the outer wall of the sealing nut (4), a second outer sealing ring (41) is arranged in the third placement groove, and the outer wall of the second outer sealing ring (41) is in contact with the inner wall of the upper shell (1).

10. A connection device capable of automatically adjusting flow direction based on temperature as claimed in claim 1, Features: A first boss surface (13) is provided on the inner side of the upper shell (1) at a position corresponding to the feed end of the second discharge port (11), and the outer side wall of the sealing nut (4) abuts against the first boss surface (13) for limiting position; a second boss surface (25) is provided on the inner side of the lower shell (2) at a position corresponding to the feed end of the first discharge port (21), and the outer side wall of the lower valve core (22) abuts against the second boss surface (25) for limiting position.

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