Automobile elbow joint

By designing a car bend joint containing an annular capsule bump and a tapered sleeve, the problem of falling off and liquid leakage caused by heat softening in high temperature environments is solved, and a stable and sealed connection is achieved.

CN222894836UActive Publication Date: 2025-05-23NINGBO YUNSHENG IND & TRADE
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Patent Information

Application Number
CN202421872524.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-02
Publication Date
2025-05-23
Estimated Expiration
2034-08-02

AI Technical Summary

Technical Problem

Car plastic bent pipes are easily softened by heat in high temperature environments, resulting in gaps at the connection with the water tank, which are difficult to be fixed continuously, and can easily lead to problems such as pipes falling off or liquid leakage.

Method used

An automobile pipe bending joint is designed, including a connecting pipe and a automobile pipe bending. The outer surface of the connecting pipe is equipped with an annular array of capsule bumps, a conical sleeve and a conical sleeve. By combining the adjustment ring and the compression spring, the bent pipe is tightly fixed to avoid falling off and liquid leakage.

Benefits of technology

It effectively avoids the problem of car bends falling off or leaking after being heated and softened, ensures the stability and sealing of the connection, and improves the heat dissipation efficiency of the car water tank.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an automobile elbow joint which comprises a connecting pipe and an automobile elbow, the connecting pipe is inserted into one end of the automobile elbow, a plurality of capsule bumps are arranged at one end of the outer surface of the connecting pipe, and the capsule bumps are arranged at one end of the outer surface of the connecting pipe in an annular array. The utility model relates to the technical field of automobile elbow joints. According to the automobile elbow joint, after an automobile elbow is heated to be softened, the compression spring can stretch and push the fixing ring and the adjusting ring on the two sides to move towards the two ends correspondingly, then the fixing ring enables the automobile elbow to be tightly attached to the capsule protruding block again, and the adjusting ring can push the push ring and the conical sleeve; the pipe opening of the automobile bent pipe is attached to the outer wall of the conical sleeve, so that the effect that the automobile bent pipe and the connecting pipe are still attached to each other after the automobile bent pipe is heated and softened is achieved, and then the problem that the automobile bent pipe is prone to falling off or liquid leakage after being heated and softened can be effectively solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile elbow joints, in particular to an automobile elbow joint. Background Art

[0002] Automobile plastic hose elbow is a common component in automobile manufacturing, mainly used to connect the pipelines between various parts of the automobile and transmit various gases and liquids;

[0003] Automobile plastic hose bends refer to pipes made of plastic material with a curved shape. According to different uses and materials, automobile plastic hose bends can be divided into many types, such as fuel hose bends, cooling system hose bends, brake system hose bends, etc. These bends play an important role in connection, transmission and sealing in automobiles;

[0004] However, a lot of heat is generated when a car is driving, and this heat is gathered inside the water tank through the flow of water inside the water tank. At this time, the temperature inside the water tank is high, and the temperature of the water flow is also high. The higher temperature will cause the plastic bent pipes connected to the water inlet and outlet of the water tank to soften due to heat. In order to improve the heat dissipation efficiency of the water tank, the water tank is generally made of metal. Therefore, the plastic bent pipes connected to the metal pipes are easily prone to falling off after being softened by heat and shaking when the car is driving.

[0005] In the prior art, a plastic elbow is generally connected to the water inlet of a water tank by a clamp. However, after the plastic pipe softens due to heat, a gap is easily formed between the clamp and the plastic pipe. Therefore, it is difficult for a traditional clamp to continuously fix the plastic pipe. Utility Model Content

[0006] In view of the deficiencies in the prior art, the purpose of the utility model is to provide an automobile elbow joint so as to solve the technical problems mentioned in the above background technology.

[0007] The above technical objectives of the utility model are achieved through the following technical solutions:

[0008] A car elbow joint comprises a connecting pipe and a car elbow, wherein the connecting pipe is inserted into one end of the car elbow, a plurality of capsule bumps are arranged on one end of the outer surface of the connecting pipe in a circular array, a conical sleeve is sleeved on one end of the connecting pipe away from the capsule bumps, a conical sleeve and a fixing ring are sleeved on the outer surface of the connecting pipe, a push ring is fixedly connected to the outer surface of the conical sleeve, an adjusting ring is arranged on one end of the push ring, and a compression spring is arranged inside the adjusting ring.

[0009] Furthermore, the conical end of the conical sleeve faces the position of the capsule protrusion.

[0010] Furthermore, one end of the connecting pipe provided with the capsule protrusion is inserted into the interior of the automobile elbow, and the pipe opening of the automobile elbow is in contact with the tapered sleeve.

[0011] Furthermore, a plurality of guide grooves are formed on the outer surface of the tapered sleeve.

[0012] Furthermore, a plurality of guide plates are arranged inside the conical sleeve, the guide plates are slidably matched with the guide grooves, and the positions of the guide plates and the guide grooves correspond one to one, and there is a gap between the inner wall of the conical sleeve and the outer wall of the connecting pipe.

[0013] Furthermore, the outer surface of the push ring is provided with an external thread.

[0014] Furthermore, an internal thread groove matching with the external thread is provided inside the adjusting ring.

[0015] Furthermore, two ends of the compression spring are rotatably connected to the inside of the push ring and the side wall of the fixing ring respectively.

[0016] Furthermore, a pressing groove is provided on one side of the fixing ring facing the capsule protrusion, the pressing groove has the same shape as the capsule protrusion, and there is a gap between the inner ring wall of the fixing ring and the outer wall of the connecting tube.

[0017] In summary, the present invention includes at least one of the following beneficial technical effects:

[0018] 1. The automobile elbow joint, when the adjusting ring is rotated, the adjusting ring and the push ring cooperate with the inner screw groove and the outer screw thread, the adjusting ring moves in the direction of the compression spring, and the push ring pushes the tapered sleeve to move in the direction of the tapered sleeve. At this time, the adjusting ring compresses the compression spring to shrink and accumulate potential energy, and pushes the fixing ring and the tapered sleeve to approach the capsule protrusion and the tapered sleeve respectively. Since the compression groove has the same shape as the capsule protrusion, when the fixing ring approaches the capsule protrusion, the pipe wall of the automobile elbow will be tightly attached to the capsule protrusion, thereby achieving the purpose of fixing the automobile elbow and the connecting pipe, and effectively avoiding the problem of twisting, and the distance between the tapered sleeve and the tapered sleeve becomes smaller, thereby achieving the purpose of fixing the pipe mouth of the automobile elbow;

[0019] 2. This kind of automobile elbow joint, when the automobile elbow is heated and softened, the compression spring is always in a compressed state due to the influence of the adjusting ring. After the automobile elbow is heated and softened, the compression spring will stretch, pushing the fixing ring and the adjusting ring on both sides to move to both ends respectively, so that the fixing ring will again fit the automobile elbow and the capsule protrusion tightly, and the adjusting ring will push the push ring and the tapered sleeve to fit the pipe mouth of the automobile elbow with the outer wall of the tapered sleeve, so that after the automobile elbow is heated and softened, the automobile elbow and the connecting pipe can still be tightly attached to each other, thereby effectively avoiding the problem of the automobile elbow easily falling off or leaking after being heated and softened. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0021] Figure 1 The utility model is a structural schematic diagram of an automobile elbow joint.

[0022] Figure 2 The utility model is a schematic diagram of the structure inside the adjusting ring of an automobile elbow joint.

[0023] Figure 3 The utility model is a structural schematic diagram of the positional relationship among a tapered sleeve, a tapered sleeve, a fixing ring and an adjusting pipe of an automobile elbow joint.

[0024] Figure 4 The utility model is a structural explosion diagram showing the positional relationship among a tapered sleeve, a tapered sleeve, a fixing ring and an adjusting pipe of an automobile elbow joint.

[0025] Figure 5 The utility model is a schematic diagram of the connection structure of an automobile elbow pipe joint, an automobile elbow pipe and a connecting pipe.

[0026] Figure 6 The utility model is a structural plane sectional view of an automobile elbow joint.

[0027] In the figure, 1, connecting pipe; 2, automobile bent pipe; 3, capsule bump; 4, tapered sleeve; 5, tapered sleeve; 6, fixing ring; 7, push ring; 8, adjusting ring; 9, clamping spring; 10, guide groove; 11, guide plate; 12, external thread; 13, internal thread groove; 14, clamping groove. DETAILED DESCRIPTION

[0028] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0029] Example:

[0030] Reference Figure 1-Figure 6 The utility model discloses a car elbow 2 joint, comprising a connecting pipe 1 and a car elbow 2, the connecting pipe 1 being inserted into one end of the car elbow 2, a plurality of capsule bumps 3 being arranged at one end of the outer surface of the connecting pipe 1, the capsule bumps 3 being arranged in a ring array at one end of the outer surface of the connecting pipe 1, a conical sleeve 4 being sleeved at one end of the connecting pipe 1 away from the capsule bumps 3, a conical sleeve 5 and a fixing ring 6 being sleeved on the outer surface of the connecting pipe 1, a push ring 7 being fixedly connected to the outer surface of the conical sleeve 5, an adjusting ring 8 being arranged at one end of the push ring 7, and a compression spring 9 being arranged inside the adjusting ring 8.

[0031] In this embodiment, when the automobile curved pipe 2 and the connecting pipe 1 are connected to each other, one end of the connecting pipe 1 provided with the capsule protrusion 3 is inserted into the interior of the automobile curved pipe 2. Since the automobile curved pipe 2 is made of plastic, the automobile curved pipe 2 is affected by the capsule protrusion 3 when it is sleeved on the outer surface of the connecting pipe 1, and a protrusion is formed at a position corresponding to the capsule protrusion 3, such as Figure 5 As shown, the tightness of the connection between the automobile elbow 2 and the connecting pipe 1 is improved, so as to achieve the effect that the connection between the automobile elbow 2 and the connecting pipe 1 is not easy to fall off, and can effectively avoid the problem that the automobile elbow 2 will be twisted due to the influence of gravity when the vehicle shakes;

[0032] When the automobile curved pipe 2 is sleeved on the outer surface of the connecting pipe 1, the connecting pipe 1 is continuously inserted into the interior of the automobile curved pipe 2, so that the pipe mouth of the automobile curved pipe 2 fits with the outer wall of the tapered sleeve 4. Since the tapered sleeve 4 is tapered, after the tapered sleeve 4 is inserted into the interior of the automobile curved pipe 2, it fits with the pipe wall of the automobile curved pipe 2, so as to achieve the effect of improving the sealing between the automobile curved pipe 2 and the connecting pipe 1;

[0033] By setting the conical sleeve 5 and the fixing ring 6, when the automobile bent pipe 2 is sleeved on the outer surface of the connecting pipe 1, the positions of the conical sleeve 5 and the fixing ring 6 are both on the outer surface of the automobile bent pipe 2. At this time, by setting the adjusting ring 8 and the clamping spring 9, the conical sleeve 5 cooperates with the conical sleeve 4 to clamp the pipe mouth of the automobile bent pipe 2, so as to further prevent the automobile bent pipe 2 and the connecting pipe 1 from falling off. By setting the fixing ring 6 and cooperating with the capsule protrusion 3, the position of the automobile bent pipe 2 is fixed to prevent the automobile bent pipe 2 from twisting. When the automobile bent pipe 2 is softened by heat, the automobile bent pipe 2 is always tightly fitted with the conical sleeve 4 and the capsule protrusion 3 to prevent the automobile bent pipe 2 from being deformed by heat and leaking or falling off.

[0034] In a further preferred embodiment of the present invention, Figure 1-6 As shown, the conical end of the conical sleeve 4 faces the capsule protrusion 3 .

[0035] In this embodiment, since the tapered end of the tapered sleeve 4 is facing the position of the capsule protrusion 3, when the automobile bent pipe 2 is sleeved on the outer surface of the connecting pipe 1 and the connecting pipe 1 is continuously inserted into the interior of the automobile bent pipe 2, the tapered end of the tapered sleeve 4 will prop up the pipe mouth of the automobile bent pipe 2 as the connecting pipe 1 is inserted, so as to improve the sealing between the automobile bent pipe 2 and the connecting pipe 1.

[0036] In a further preferred embodiment of the present invention, Figure 1-6 As shown, one end of the connecting pipe 1 provided with the capsule protrusion 3 is inserted into the interior of the automobile elbow pipe 2, and the pipe opening of the automobile elbow pipe 2 is in contact with the tapered sleeve 4.

[0037] In this embodiment, when the automobile bent pipe 2 and the connecting pipe 1 are connected to each other, one end of the connecting pipe 1 provided with the capsule protrusion 3 is inserted into the interior of the automobile bent pipe 2. Since the automobile bent pipe 2 is made of plastic, the automobile bent pipe 2 will be affected by the capsule protrusion 3 when it is sleeved on the outer surface of the connecting pipe 1, and a protrusion is formed at a position corresponding to the capsule protrusion 3, which can effectively avoid the problem that the automobile bent pipe 2 will be twisted due to the influence of gravity when the vehicle shakes. When the automobile bent pipe 2 is sleeved on the outer surface of the connecting pipe 1 and the connecting pipe 1 is continuously inserted into the interior of the automobile bent pipe 2, the tapered end of the tapered sleeve 4 will prop up the pipe mouth of the automobile bent pipe 2 as the connecting pipe 1 is inserted, so as to improve the sealing between the automobile bent pipe 2 and the connecting pipe 1.

[0038] In a further preferred embodiment of the present invention, Figure 1-6 As shown, a plurality of guide grooves 10 are formed on the outer surface of the tapered sleeve 4 .

[0039] In this embodiment, the guide groove 10 is provided to limit the conical sleeve 5 to prevent the conical sleeve 5 from rotating along with the adjusting ring 8 when the adjusting ring 8 is rotated.

[0040] In a further preferred embodiment of the present invention, Figure 1-6 As shown, a plurality of guide plates 11 are arranged inside the conical sleeve 5 , and the guide plates 11 are slidably matched with the guide grooves 10 , and the positions of the guide plates 11 and the guide grooves 10 correspond one to one, and there is a gap between the inner wall of the conical sleeve 5 and the outer wall of the connecting pipe 1 .

[0041] In this embodiment, by setting the guide plate 11, when the pipe mouth of the automobile elbow 2 is clamped by the tapered sleeve 5 and the tapered sleeve 4, the positions of the guide plate 11 and the wire groove correspond one by one to prevent the tapered sleeve 5 from rotating.

[0042] In a further preferred embodiment of the present invention, Figure 1-6 As shown, the outer surface of the push ring 7 is provided with an external thread 12 .

[0043] In this embodiment, the external thread 12 is provided to achieve the effect of pushing the push ring 7 to move by rotating the adjusting ring 8 .

[0044] In a further preferred embodiment of the present invention, Figure 1-6 As shown, an inner thread groove 13 matching with the outer thread 12 is formed inside the adjusting ring 8 .

[0045] In this embodiment, since the push ring 7 is fixedly connected to the tapered sleeve 5, the push ring 7 will not rotate along with the adjusting ring 8, and the cooperation between the inner thread groove 13 and the outer thread 12 can achieve the purpose of pushing the push ring 7 to move.

[0046] In a further preferred embodiment of the present invention, Figure 1-6 As shown, the two ends of the compression spring 9 are rotatably connected to the inside of the push ring 7 and the side wall of the fixing ring 6 respectively.

[0047] In this embodiment, since both ends of the clamping spring 9 are rotatably connected to the two ends of the push ring 7, the clamping spring 9 will not rotate with the rotation of the fixing ring 6, thereby reducing the wear between the spring and the fixing ring 6 and increasing the service life of the connecting device.

[0048] In a further preferred embodiment of the present invention, Figure 1-6 As shown, a pressing groove 14 is formed on one side of the fixing ring 6 facing the capsule protrusion 3 . The pressing groove 14 has the same shape as the capsule protrusion 3 . There is a gap between the inner ring wall of the fixing ring 6 and the outer wall of the connecting tube 1 .

[0049] In this embodiment, when the adjusting ring 8 is rotated, the adjusting ring 8 and the push ring 7 cooperate with the inner screw groove 13 and the outer screw thread 12, and the adjusting ring 8 moves in the direction of the compression spring 9, and the push ring 7 pushes the tapered sleeve 5 in the direction of the tapered sleeve 4. At this time, the adjusting ring 8 will compress the compression spring 9 to make it contract and accumulate potential energy, and due to the compression of the compression spring 9, the fixing ring 6 will be pushed close to the capsule protrusion 3. Since the compression groove 14 has the same shape as the capsule protrusion 3, when the fixing ring 6 approaches the capsule protrusion 3, the pipe wall of the automobile curved pipe 2 will be tightly attached to the capsule protrusion 3, thereby achieving the purpose of fixing the automobile curved pipe 2 and the connecting pipe 1, and can effectively avoid the problem of twisting, and the distance between the tapered sleeve 5 and the tapered sleeve 4 becomes smaller, thereby achieving the purpose of fixing the pipe mouth of the automobile curved pipe 2;

[0050] On the other hand, when the automobile bent pipe 2 is heated and softened, the above-mentioned compression spring 9 is always in a compressed state due to the influence of the adjusting ring 8. After the automobile bent pipe 2 is heated and softened, the supporting force of the compression spring 9 is reduced. At this time, the compression spring 9 will stretch and push the fixing ring 6 and the adjusting ring 8 on both sides to move to both ends respectively, so that the fixing ring 6 will again press the automobile bent pipe 2 and the capsule protrusion 3 tightly, and the adjusting ring 8 will push the push ring 7 and the tapered sleeve 5 to fit the pipe mouth of the automobile bent pipe 2 with the outer wall of the tapered sleeve 4, so as to achieve the effect of pressing the automobile bent pipe 2 and the connecting pipe 1 tightly against each other after the automobile bent pipe 2 is heated and softened, thereby effectively avoiding the problem of the automobile bent pipe 2 easily falling off or leaking after being heated and softened.

[0051] The embodiments of this specific implementation method are all preferred embodiments of the utility model, and are not intended to limit the protection scope of the utility model. Therefore, all equivalent changes made based on the structure, shape, and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An automobile elbow joint, characterized in that: The invention comprises a connecting pipe (1) and an automobile curved pipe (2), wherein the connecting pipe (1) is inserted into one end of the automobile curved pipe (2), a plurality of capsule protrusions (3) are arranged at one end of the outer surface of the connecting pipe (1), and the capsule protrusions (3) are arranged in a ring array at one end of the outer surface of the connecting pipe (1), a conical sleeve (4) is sleeved at one end of the connecting pipe (1) away from the capsule protrusions (3), a conical sleeve (5) and a fixing ring (6) are sleeved on the outer surface of the connecting pipe (1), a push ring (7) is fixedly connected to the outer surface of the conical sleeve (5), an adjusting ring (8) is arranged at one end of the push ring (7), and a compression spring (9) is arranged inside the adjusting ring (8).

2. The automobile elbow joint according to claim 1, characterized in that: The conical end of the conical sleeve (4) faces the position of the capsule protrusion (3).

3. The automobile elbow joint according to claim 2, characterized in that: One end of the connecting pipe (1) provided with the capsule convex block (3) is inserted into the interior of the automobile curved pipe (2), and the pipe mouth of the automobile curved pipe (2) is in contact with the conical sleeve (4).

4. The automobile elbow joint according to claim 3, characterized in that: The outer surface of the conical sleeve (4) is provided with a plurality of guide grooves (10).

5. The automobile elbow joint according to claim 4, characterized in that: A plurality of guide plates (11) are arranged inside the conical sleeve (5), the guide plates (11) are slidably matched with the guide grooves (10), and the positions of the guide plates (11) and the guide grooves (10) correspond one to one, and there is a gap between the inner wall of the conical sleeve (5) and the outer wall of the connecting pipe (1).

6. The automobile elbow joint according to claim 5, characterized in that: The outer surface of the push ring (7) is provided with an external thread (12).

7. The automobile elbow joint according to claim 6, characterized in that: The interior of the adjusting ring (8) is provided with an internal thread groove (13) which matches the external thread (12).

8. The automobile elbow joint according to claim 7, characterized in that: The two ends of the compression spring (9) are rotatably connected to the inside of the push ring (7) and the side wall of the fixing ring (6) respectively.

9. The automobile elbow joint according to claim 8, characterized in that: A pressing groove (14) is provided on one side of the fixing ring (6) facing the capsule protrusion (3); the pressing groove (14) has the same shape as the capsule protrusion (3); and a gap is provided between the inner ring wall of the fixing ring (6) and the outer wall of the connecting tube (1).