Pipeline mechanism for automobile warm air box

By introducing pipe fixing components and bolt anti-loosening components into the automotive heater box pipes, the problem of bolt loosening caused by vibration in traditional automotive heater box pipes is solved, achieving stable fixing and wear prevention for pipes of different specifications.

CN223563643UActive Publication Date: 2025-11-18JIANGSU CHENYU TECH CO LTD
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Patent Information

Application Number
CN202520135485.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-11-18
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Traditional automotive heater core pipes require different sized clamps to secure the flexible and rigid sections, and the bolts are prone to loosening under engine vibration, leading to pipe shaking, wear, and leakage.

Method used

The system employs a pipe fixing assembly and a bolt anti-loosening assembly. The inlet and outlet pipes are clamped by the first and second clamps and tightened by the first fixing bolt. The elastic clamp and torsion spring prevent the bolt from rotating and avoid loosening.

Benefits of technology

It effectively secures pipes of different specifications, prevents bolts from loosening, avoids pipe shaking and wear, and improves the stability and service life of the pipes.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223563643U_ABST
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Abstract

The utility model discloses a pipeline mechanism for an automobile warm air box, and relates to the technical field of automobile warm air box pipelines, the pipeline mechanism comprises a water inlet pipe, a water outlet pipe and in-cabin fixing lugs, a pipeline fixing assembly is arranged between the water inlet pipe and the water outlet pipe, and bolt anti-loosening assemblies are arranged among the water inlet pipe, the water outlet pipe and the in-cabin fixing lugs; according to the technical scheme, the pipeline fixing assembly is arranged, specifically, the first clamping plate and the second clamping plate are used for clamping the water inlet pipe and the water outlet pipe, the first fixing bolt is matched with the first clamping plate, so that the first clamping plate and the second clamping plate are tightened, and during tightening, the elastic clamping plate clamps the water inlet pipe and the water outlet pipe; the first clamping plate and the second clamping plate are tightened to deform and cover the surfaces of the water inlet pipe and the water outlet pipe, water inlet pipes and water outlet pipes of different specifications and sizes can be tightened and fixed, and use is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile heater core pipeline, especially to a pipeline mechanism for automobile heater core. BACKGROUND

[0002] The pipeline of automobile heater core is an important component in the heater system, which is responsible for transferring the heat energy in the engine cooling system to the air in the vehicle cabin, thereby providing a comfortable heating environment. The pipeline of automobile heater core is usually composed of an inlet pipe, an outlet pipe, and a heater core body connecting these pipes. The inlet pipe is responsible for introducing the coolant in the engine cooling system into the heater core, while the outlet pipe returns the coolant after heat exchange to the engine cooling system.

[0003] Traditional automobile heater core pipelines are usually composed of hose sections and hard pipe sections, which are usually installed on the outside of the engine by fixed clamps and bolts. However, since the pipeline is divided into hose sections and hard pipe sections, different sizes of fixed clamps are often needed for fixation. Moreover, during engine operation, some vibration may occur. After pipeline maintenance, some maintenance personnel may not apply anti-loosening glue to the bolts, which may lead to the loosening of the fixed bolts over time, resulting in pipeline shaking, wear, and leakage. SUMMARY

[0004] The utility model provides a pipeline mechanism for automobile heater core to overcome the shortcomings of the prior art, which solves the problem that the pipeline of the prior art automobile heater core is usually composed of hose sections and hard pipe sections, which are usually installed on the outside of the engine by fixed clamps and bolts. However, since the pipeline is divided into hose sections and hard pipe sections, different sizes of fixed clamps are often needed for fixation. Moreover, during engine operation, some vibration may occur. After pipeline maintenance, some maintenance personnel may not apply anti-loosening glue to the bolts, which may lead to the loosening of the fixed bolts over time, resulting in pipeline shaking, wear, and leakage.

[0005] Therefore, the utility model provides a pipeline mechanism for automobile heater core, which includes an inlet pipe, an outlet pipe, and an in-cabin fixed ear. A pipeline fixing assembly is arranged between the inlet pipe and the outlet pipe. A bolt anti-loosening assembly is arranged between the inlet pipe, the outlet pipe, and the in-cabin fixed ear.

[0006] The pipeline fixing assembly includes a first clamping plate, a second clamping plate, a first fixing bolt, a fixed slot, and a plurality of elastic clamping plates. The first fixing bolt is rotatably connected to the middle part of the second clamping plate. The fixed slot is arranged on one side of the first clamping plate and the second clamping plate. The two elastic clamping plates are fixedly connected to the inner side of the fixed slot.

[0007] Optionally, the first clamping plate and the second clamping plate are sleeved on the outer wall of the water inlet pipe and the water outlet pipe.

[0008] Optionally, one end of the first fixing bolt is threadedly connected with the middle part of the first clamping plate.

[0009] Optionally, the angle between the two elastic clamping plates is 85-90 degrees, and the side surfaces of the elastic clamping plates are respectively arranged on the outer wall surfaces of the water inlet pipe and the water outlet pipe.

[0010] Optionally, the bolt anti-loosening assembly comprises a fixed nut, a second fixing bolt, a movable rod, a fixed cover and a torsional spring, one end of the fixed nut is fixedly connected to the side wall of one end of the first clamping plate, one end of the second fixing bolt is threadedly connected to the fixed nut on one side of the in-cabin fixing lug, the movable rod is movably installed at one end of the second clamping plate, the fixed cover is fixedly connected to one end of the movable rod, and the torsional spring is sleeved on one end of the movable rod.

[0011] Optionally, the fixed cover is sleeved on the top of the second fixing bolt, and the inner side of the fixed cover is matched with the shape and size of one end of the second fixing bolt.

[0012] Optionally, one end of the torsional spring is fixedly connected to one end of the movable rod, and the other end of the torsional spring is fixedly connected to the side wall of one end of the second clamping plate.

[0013] From the above technical solutions, it can be seen that the embodiments of the utility model have the following advantages:

[0014] 1. The pipeline mechanism for the automobile heater core, by setting the pipeline fixing assembly, specifically, the first clamping plate and the second clamping plate clamp the water inlet pipe and the water outlet pipe, and the first fixing bolt cooperates with the first clamping plate to make the first clamping plate and the second clamping plate tighten, when tightening, the elastic clamping plate clamps the water inlet pipe and the water outlet pipe, and the first clamping plate and the second clamping plate deform and are wrapped on the surfaces of the water inlet pipe and the water outlet pipe, so that the water inlet pipe and the water outlet pipe of different specifications can be tightly fixed, and the use is facilitated.

[0015] 2. The pipeline mechanism for the automobile heater core, by setting the bolt anti-loosening assembly, specifically, after the first clamping plate and the second clamping plate are combined, the fixed cover is sleeved on the hexagonal head of the second fixing bolt, and under the action of the torsional spring, when vibration occurs, the second fixing bolt is prevented from rotating, so that the phenomenon that the bolt is loosened and falls off due to vibration and shakes and wears the pipeline is avoided.

[0016] The characteristics and advantages of the utility model will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described in combination with the drawings:

[0018] Figure 1 The utility model structural schematic drawing is as follows:

[0019] Figure 2 The utility model structural explosion map is as follows:

[0020] Figure 3 The utility model first clamping plate structural schematic drawing is as follows:

[0021] Figure 4 The utility model second clamping plate structural schematic drawing is as follows.

[0022] Mark 1, inlet pipe, 2, outlet pipe, 3, in-cabin fixing lug, 401, first clamping plate, 402, second clamping plate, 403, first fixing bolt, 404, fixed groove, 405, elastic clamping plate, 501, fixed nut, 502, second fixing bolt, 503, movable rod, 504, fixed cover, 505, torsion spring. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model embodiment is explained and described below in combination with the drawings of the utility model embodiment, but the following embodiment is only the preferred embodiment of the utility model, and is not all. Based on the embodiment in the embodiment, other embodiments obtained by the person skilled in the art without making creative labor all belong to the protection scope of the utility model.

[0024] One kind for automobile warm air box's pipe line mechanism of the utility model embodiment is specifically described below in combination with the drawings.

[0025] Embodiment 1

[0026] For the convenience of understanding, please refer to Figures 1 to 4 One embodiment of a kind of pipe line mechanism for automobile warm air box provided by the utility model, including inlet pipe 1, outlet pipe 2 and in-cabin fixing lug 3, and pipe fixing assembly is arranged between inlet pipe 1 and outlet pipe 2, and bolt anti-loose assembly is arranged between inlet pipe 1, outlet pipe 2 and in-cabin fixing lug 3;

[0027] The pipeline fixing assembly comprises a first clamping plate 401, a second clamping plate 402, a first fixing bolt 403, a fixing groove 404 and a plurality of elastic clamping plates 405. The first fixing bolt 403 is rotationally connected to the middle part of the second clamping plate 402. The fixing groove 404 is respectively arranged on one side of the first clamping plate 401 and the second clamping plate 402. One end of the two elastic clamping plates 405 is fixedly connected to the inner side of the fixing groove 404. The first clamping plate 401 and the second clamping plate 402 are sleeved on the outer walls of the water inlet pipe 1 and the water outlet pipe 2. One end of the first fixing bolt 403 is threadedly connected to the middle part of the first clamping plate 401. The angle between the two elastic clamping plates 405 is 85-90 degrees. The side surfaces of the elastic clamping plates 405 are respectively abutted against the outer wall surfaces of the water inlet pipe 1 and the water outlet pipe 2.

[0028] It should be noted that the first clamping plate 401 and the second clamping plate 402 are arranged, and the elastic clamping plates 405 are arranged on the inner sides of the fixing grooves 404 of the first clamping plate 401 and the second clamping plate 402. The first clamping plate 401 and the second clamping plate 402 clamp the water inlet pipe 1 and the water outlet pipe 2. The first fixing bolt 403 cooperates with the first clamping plate 401 to tighten the first clamping plate 401 and the second clamping plate 402. When the first clamping plate 401 and the second clamping plate 402 are tightened, the elastic clamping plates 405 clamp the water inlet pipe 1 and the water outlet pipe 2. The first clamping plate 401 and the second clamping plate 402 are deformed and wrapped on the surfaces of the water inlet pipe 1 and the water outlet pipe 2. The water inlet pipe 1 and the water outlet pipe 2 of different sizes can be tightly fixed.

[0029] Embodiment 2

[0030] In some embodiments, as shown in Figure 2 、 Figure 4 The bolt anti-loosening assembly comprises a fixed nut 501, a second fixing bolt 502, a movable rod 503, a fixed cover 504 and a torsional spring 505. The fixed nut 501 is fixedly connected to one end of the side wall of the first clamping plate 401. One end of the second fixing bolt 502 penetrates through one side of the cabin inner fixing lug 3 and is threadedly connected to the fixed nut 501. The movable rod 503 is movably installed at one end of the second clamping plate 402. The fixed cover 504 is fixedly connected to one end of the movable rod 503. The torsional spring 505 is sleeved on one end of the movable rod 503. The fixed cover 504 is sleeved on the top of the second fixing bolt 502. The inner side of the fixed cover 504 is matched in shape and size with one end of the second fixing bolt 502. One end of the torsional spring 505 is fixedly connected to one end of the movable rod 503. The other end of the torsional spring 505 is fixedly connected to one end of the side wall of the second clamping plate 402.

[0031] Need to explain, by setting the activity pole 503, and in the activity pole 503 add fixed cover 504 and torsion spring 505, under the action of torsion spring 505 can make fixed cover 504 no matter to any direction rotation, have the tendency of rebound, after the first clamp plate 401 and the second clamp plate 402 merge, fixed cover 504 will be covered in the hexagonal head of the second fixed bolt 502, and under the action of torsion spring 505, when vibration occurs, prevent the second fixed bolt 502 from rotating, avoid the phenomenon of bolt loosening and falling due to vibration, and the phenomenon of shaking and wearing of the pipeline.

[0032] Working principle: in use, first through the cooperation of the second fixed bolt 502 and the fixed nut 501, first fix the first clamp plate 401 on the in-cabin fixing ear 3 of the vehicle frame, then arrange the water inlet pipe 1 and the water outlet pipe 2, clamp the water inlet pipe 1 and the water outlet pipe 2 with the first clamp plate 401 and the second clamp plate 402, and cooperate the first fixed bolt 403 with the first clamp plate 401, so that the first clamp plate 401 and the second clamp plate 402 are tightened, when tightening, the elastic clamp plate 405 clamps the water inlet pipe 1 and the water outlet pipe 2, and with the tightening of the first clamp plate 401 and the second clamp plate 402, the deformation is generated and the water inlet pipe 1 and the water outlet pipe 2 are covered on the surface, at the same time, after the first clamp plate 401 and the second clamp plate 402 merge, the fixed cover 504 will be covered in the hexagonal head of the second fixed bolt 502, and under the action of torsion spring 505, when vibration occurs, prevent the second fixed bolt 502 from rotating, facilitate the fixation of different specifications of automobile heater core pipeline, at the same time, avoid the second fixed bolt 502 connected rigidly with the in-cabin fixing ear 3 of the vehicle frame from loosening or falling due to vibration, cause the pipeline to shake and wear.

[0033] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A ducting mechanism for a vehicle heater core, characterised in that: It includes water inlet pipe (1), water outlet pipe (2) and cabin fixed lug (3), pipe fixing assembly is arranged between water inlet pipe (1) and water outlet pipe (2), bolt anti-loose assembly is arranged between water inlet pipe (1), water outlet pipe (2) and cabin fixed lug (3); The pipe fixing assembly comprises a first clamping plate (401), a second clamping plate (402), a first fixing bolt (403), a fixing groove (404) and a plurality of elastic clamping plates (405), the first fixing bolt (403) is rotatably connected to the middle part of the second clamping plate (402), the fixing groove (404) is formed on one side of the first clamping plate (401) and the second clamping plate (402), and the two elastic clamping plates (405) are fixedly connected to the inner side of the fixing groove (404).

2. A ducting mechanism for a vehicle heater core as defined in claim 1, wherein: The first clamping plate (401) and the second clamping plate (402) are sleeved on the outer walls of the water inlet pipe (1) and the water outlet pipe (2).

3. A ducting mechanism for a vehicle heater core as defined in claim 1, wherein: One end of the first fixing bolt (403) is threadedly connected to the middle part of the first clamping plate (401).

4. A ducting mechanism for a vehicle heater core as defined in claim 1, wherein: The angle between the two elastic clamping plates (405) is 85-90 degrees, and the side surfaces of the elastic clamping plates (405) are respectively arranged on the outer wall surfaces of the water inlet pipe (1) and the water outlet pipe (2).

5. A ducting mechanism for a vehicle heater core as defined in claim 1, wherein: The bolt anti-loose assembly comprises a fixed nut (501), a second fixing bolt (502), a movable rod (503), a fixed cover (504) and a torsional spring (505), the fixed nut (501) is fixedly connected to the side wall of one end of the first clamping plate (401), one end of the second fixing bolt (502) penetrates through one side of the cabin fixed lug (3) and is threadedly connected with the fixed nut (501), the movable rod (503) is movably installed at one end of the second clamping plate (402), the fixed cover (504) is fixedly connected to one end of the movable rod (503), and the torsional spring (505) is sleeved on one end of the movable rod (503).

6. A ducting mechanism for a vehicle heater core as defined in claim 5, wherein: The fixed cover (504) is sleeved on the top of the second fixing bolt (502), and the inner side of the fixed cover (504) is matched with the shape and size of one end of the second fixing bolt (502).

7. A ducting mechanism for a vehicle heater core as defined in claim 5, wherein: One end of the torsional spring (505) is fixedly connected to one end of the movable rod (503), and the other end of the torsional spring (505) is fixedly connected to the side wall of one end of the second clamping plate (402).