Heat insulation support

By adding a heat-insulating bracket between the hydraulic retarder and the heat exchanger, the problem of the hydraulic retarder's heat generation affecting the heat exchanger's cooling efficiency was solved, achieving the effects of heat insulation and vibration reduction, and improving the stability and safety of the braking system.

CN223574401UActive Publication Date: 2025-11-21NINGBO MAIKE SEALING TECH CO LTD
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Patent Information

Application Number
CN202520092910.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2025-11-21
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Traditional hydraulic retarders generate a lot of heat during braking, which causes the temperature of the heat exchanger installed on its side to rise, affecting the cooling efficiency. Furthermore, frequent use leads to a decline in braking performance, affecting driving safety.

Method used

Design a heat insulation bracket, including an inner plate, a rubber plate and an outer plate, which are fixed by mushroom head flat buckles. The middle part is a flexible rubber plate to increase the heat insulation effect. A stepped hole is set at the oil hole to prevent oil leakage. It is fixed to the hydraulic retarder housing with bolts.

Benefits of technology

It effectively isolates the heat of the hydraulic retarder, preventing it from being conducted to the heat exchanger, maintaining cooling efficiency, and through the shock absorption effect of the rubber plate, improves the flow rate cooling effect and reduces the decline of braking performance.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223574401U_ABST
Patent Text Reader

Abstract

The utility model relates to a heat insulation support which comprises an inner plate, a rubber plate is arranged on one side of the inner plate, and an outer plate is arranged on the other side of the rubber plate. Mushroom head flat buckles are arranged on the two side surfaces of the rubber plate; an inner plate fixing hole is formed in the inner plate, an inner plate counter bore matched with the mushroom head flat buckle is formed in the inner plate, and an oil outlet hole and an oil inlet hole are formed in the inner plate; an outer plate counter bore matched with the mushroom head flat buckle is formed in the outer plate, an oil outlet hole and an oil inlet hole are formed in the outer plate, and stepped holes are formed in the inner plate counter bore and the outer plate counter bore. The heat insulation support is additionally arranged between the hydraulic retarder and the heat exchanger, when a heavy-duty car is braked, the heating value of the hydraulic retarder is especially large, due to the fact that the heat insulation support is arranged in the middle, temperature cannot be conducted to the heat exchanger arranged on the side edge of the hydraulic retarder, and the cooling efficiency of the heat exchanger cannot be affected. In addition, a layer of rubber plate is arranged in the middle of the heat insulation support, is flexible and can play a role in damping the hydraulic retarder.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the manufacturing technical field of automobile parts, especially to a heat insulation support. BACKGROUND

[0002] The automobile brake system is one of the most important systems in the safe driving of the automobile. With the development of the engine technology and the improvement of the road conditions, the driving speed and the single running distance of the automobile have been greatly developed, and the driving kinetic energy is greatly improved, so that the traditional friction plate type brake device cannot adapt to the long time and high strength work requirement. Especially for the heavy duty automobile, the brake efficiency heat recession phenomenon of the friction plate overheating appears due to the frequent or long time use of the service brake, which seriously leads to the brake failure, threatens the driving safety, and increases the transportation cost due to the frequent replacement of the brake shoe and the tire. In order to solve this problem, various vehicle auxiliary brake systems have been rapidly developed, and the hydraulic retarder is one of them. The traditional hydraulic retarder comprises a heat exchanger, a rotor, a stator and a hydraulic retarder shell, the hydraulic retarder shell has an oil storage tank and a working cavity, the rotor is fixed with the automobile transmission system, and the rotor also rotates when the automobile moves. When the hydraulic retarder works, the compressed air enters the oil storage tank, the oil in the oil storage tank is pressed into the space between the hydraulic retarder stator and the rotor, the hydraulic retarder starts to work, the rotor drives the oil to rotate around the axis; at the same time, the oil moves along the direction of the rotor blade, and is thrown to the stator, the stator blade produces a reaction force on the oil, the oil flows out of the stator and then turns back to impact the rotor, so that the resistance torque of the rotor is formed, the rotation of the rotor is hindered, and the deceleration effect on the vehicle is realized.

[0003] Chinese patent publication (announcement) number: CN103047322A, patent title: hydraulic retarder, it discloses "

[0008] in order to realize the above-mentioned purpose, the technical scheme adopted by the present application is as follows: the hydraulic retarder……the heat exchanger is fixedly installed outside the hydraulic retarder shell……", describes that the heat exchanger is installed outside the shell of the hydraulic retarder. Due to the large heat generation of the hydraulic retarder during braking, the temperature of the heat exchanger installed on the side of the hydraulic retarder is increased, which affects the cooling efficiency of the heat exchanger. SUMMARY

[0004] The utility model discloses a heat insulation support, to solve the problem in the background art.

[0005] In order to solve the above technical problems, the utility model is through the following technical measures to realize: a heat insulation support, its characterized in that: including inner plate, rubber plate is provided on one side of the inner plate, outer plate is provided on the other side of the rubber plate, mushroom head flat buckle is provided on both sides of the rubber plate, inner plate fixing hole is formed in the inner plate, inner plate counterbore is formed in the inner plate and matched with the mushroom head flat buckle, oil outlet hole and oil inlet hole are formed in the inner plate, outer plate counterbore is formed in the outer plate and matched with the mushroom head flat buckle, oil outlet hole and oil inlet hole are formed in the outer plate, and step hole is formed in the inner plate counterbore and the outer plate counterbore.

[0006] Compared with the prior art, the utility model has the advantages that: by increasing a set of heat insulation support between the hydraulic retarder and the heat exchanger, when the heavy truck brakes, the heat generation of the hydraulic retarder is particularly large, because of the heat insulation support in the middle, the temperature will not be conducted to the heat exchanger installed on the side, and the cooling efficiency of the heat exchanger will not be affected.

[0007] As an improvement of the utility model, the horizontal height and the vertical height of the inner plate are at least greater than the height of the outer plate. The purpose of selecting this design is that: because the heat insulation support is fixed on the shell of the hydraulic retarder by bolts during use, the inner plate fixing hole is exposed outside, and the bolts can be conveniently disassembled.

[0008] As an improvement of the utility model, the positions of the mushroom head flat buckles are uniformly arranged on the rubber plate. The purpose of selecting this design is that: the rubber plate and the inner plate and the outer plate on both sides are fixed by respectively penetrating the inner plate counterbore and the outer plate counterbore through the mushroom head flat buckles, and then the protruding mushroom head is inverted to be buckled, so that the stress of each buckling point is uniform, and a better fixing effect can be achieved.

[0009] As an improvement of the utility model, the positions of the mushroom head flat buckles on both sides of the rubber plate are mutually symmetrical. The purpose of selecting this design is that: the positions of the mushroom head flat buckles are mutually symmetrical, the stress is uniform, and a better fixing effect can be achieved.

[0010] As an improvement of the utility model, step holes are formed in the oil outlet hole and the oil inlet hole. The purpose of selecting this design is that: the step hole is arranged to place a sealing ring when the heat insulation support and the heat exchanger are installed, so as to prevent oil leakage.

[0011] As an improvement of the utility model, the position of the oil outlet hole and the oil inlet hole is in the connecting area of the inner plate counterbore. The purpose of selecting this design is that the position of the oil outlet hole and the oil inlet hole is in the position with relatively concentrated stress, and the connecting points of the inner plate counterbores are all the clamping points of the rubber plate and the inner plate, and the connecting reliability between the two plates in the connecting area is higher.

[0012] As an improvement of the utility model, the size, shape and position of the oil outlet hole and the oil inlet hole on the outer plate are same as those on the inner plate. The purpose of selecting this design is to keep the consistency of the oil outlet hole and the oil inlet hole, so that the flow resistance of the oil can be reduced, the flow rate can be improved, and the cooling effect can be increased.

[0013] As another embodiment of the utility model, an adhesive layer is arranged between the inner plate, the rubber plate and the outer plate. The materials of the inner plate and the outer plate are usually selected as steel plates, and the adhesive layer is made of high-performance epoxy resin glue or polyurethane glue to realize the adhesion of the rubber and the metal, and the required working strength can be achieved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the application, and are incorporated herein for purposes of illustration. The detailed description references and takes advantage of the drawings.

[0015] In the drawings:

[0016] Figure 1 It is a perspective view of the isolation support.

[0017] Figure 2 It is an exploded view of the isolation support.

[0018] Figure 3 It is a perspective view of the inner plate.

[0019] Figure 4 It is a perspective view of the rubber plate.

[0020] Figure 5 It is a perspective view of the outer plate.

[0021] Label description: 1, inner plate; 2, rubber plate; 3, outer plate; 4, mushroom head flat buckle; 5, inner plate fixing hole; 6, inner plate counterbore; 7, oil outlet hole; 8, oil inlet hole; 9, outer plate counterbore; 10, stepped hole; 11, adhesive layer; 12, threaded hole. DETAILED DESCRIPTION

[0022] The preferred embodiments of the utility model are described below with reference to the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0023] Embodiment 1

[0024] Please refer to Figure 1 -5.

[0025] The heat insulation support provided in the embodiment comprises an inner plate 1, a rubber plate 2 is arranged on one side of the inner plate 1, and an outer plate 3 is arranged on the other side of the rubber plate 2.

[0026] In the embodiments of the utility model application, please refer to Figure 4 The two sides of the rubber plate 2 are provided with mushroom head flat buckles 4, the mushroom head flat buckles 4 are uniformly arranged on the rubber plate 2, there are a total of five buckle joints, and the shape after virtual connection is X-shaped. The rubber plate 2 and the inner plate 1 and the outer plate 3 on both sides are fixed by respectively penetrating the inner plate counterbore 6 and the outer plate counterbore 9 through the mushroom head flat buckles 4 and then being reversely buckled by the protruding mushroom heads, so that the fixing effect is better.

[0027] Further, the positions of the mushroom head flat buckles 4 on the two sides of the rubber plate 2 are symmetrical to each other, so that the fixing effect is better.

[0028] In the embodiments of the utility model application, please refer to Figure 3 The inner plate 1 is provided with five inner plate fixing holes 5, the inner plate 1 is provided with inner plate counterbores 6 matched with the mushroom head flat buckles 4, the inner plate 1 is provided with oil outlet holes 7 and oil inlet holes 8, and the oil outlet holes 7 and the oil inlet holes 8 are provided with stepped holes 10. The stepped holes 10 are arranged to place a sealing ring when the heat insulation support and a heat exchanger are installed, so as to prevent oil leakage.

[0029] Further, the vertical height of the inner plate 1 is greater than the vertical height of the outer plate 3. During use, the heat insulation support is fixed on the shell of the hydraulic retarder by bolts, the inner plate fixing holes 5 are exposed outside, the bolts can be conveniently disassembled and assembled, and there is no interference and shielding.

[0030] In the embodiments of the utility model application, please refer to Figure 5The outer plate 3 is provided with an outer plate counterbore 9 matched with the mushroom head flat buckle 4, and the outer plate 3 is provided with an oil outlet hole 7 and an oil inlet hole 8, and the inner plate counterbore 6 and the outer plate counterbore 9 are provided with a stepped hole 10, and the stepped hole 10 is designed to enable the mushroom head flat buckle 4 to be just fitted, and in the production of the isolation support, hot melt liquid of rubber is flowed into the cavities of the counterbores through a mold, which is prior art and will not be repeated here.

[0031] In the embodiments of the present application, please refer to Figure 3 and Figure 4 The oil outlet hole 7 and the oil inlet hole 8 are located in the central region, that is, in the connecting region of the inner plate counterbore 6. The positions of the oil outlet hole 7 and the oil inlet hole 8 are in a position where the stress is relatively concentrated, and the connecting points of each inner plate counterbore 6 are the clamping points of the rubber plate 2 and the inner plate 1, and the connectivity between the two plates is more reliable in the connecting region.

[0032] Further, the size, shape and position of the oil outlet hole 7 and the oil inlet hole 8 on the outer plate 3 are the same as those of the oil outlet hole 7 and the oil inlet hole 8 on the inner plate 1. The consistency of the oil outlet hole 7 and the oil inlet hole 8 can reduce the flow resistance of the oil during work, improve the flow rate and increase the cooling effect.

[0033] In the embodiments of the present application, the materials of the inner plate 1 and the outer plate 3 are stainless steel.

[0034] As another embodiment of the present application, an adhesive layer 11 is arranged between the inner plate 1, the rubber plate 2 and the outer plate 3. The adhesive is selected from high-performance epoxy resin adhesive or polyurethane adhesive, which can realize the adhesion of rubber and metal and achieve the required working strength.

[0035] The heat insulation support provided in the embodiment is connected as follows: the mushroom head flat buckle 4 on the rubber plate 2 is inserted into the counterbores on the inner plate 1 and the outer plate 3 through an injection molding process, and after cooling, the mechanical structure is fixedly connected. The inner plate 1, the rubber plate 2 and the outer plate 3 can also be connected through an epoxy resin adhesive process, which is equivalent to the process in the traditional skeleton oil seal.

[0036] The heat insulation support provided in the embodiment is used as follows: the isolation support is first installed on the housing of the hydraulic retarder through the inner plate fixing hole 5, and then the heat exchanger is aligned with the oil inlet hole 8 and the oil outlet hole 7 of the outer plate 3 and fixed through the threaded hole 12.

[0037] Compared with the prior art, the advantages of the utility model lie in that: through increasing a set of heat insulation support between the hydraulic retarder and the heat exchanger, when heavy automobile brakes, the heat quantity of the hydraulic retarder is particularly big, because there is heat insulation support in the middle, temperature will not be conducted to the heat exchanger installed on its side, will not influence the cooling efficiency of the heat exchanger.

[0038] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "vertical", "upper", "lower", "horizontal" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0039] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrange", "mount", "connect", "connect" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or electrically connected, can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] Finally, it should be pointed out that: the above only for the preferred embodiment of the utility model has been described, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An insulated support characterized by: The utility model discloses a rubber plate (2) is arranged on one side of inner plate (1), and outer plate (3) is arranged on the other side of rubber plate (2), and the both sides of rubber plate (2) are provided with mushroom head flat buckle (4), and the inner plate (1) is provided with inner plate fixed hole (5), and the inner plate (1) is provided with inner plate counterbore (6) with mushroom head flat buckle (4) is matched with each other, and the inner plate (1) is provided with oil outlet hole (7) and oil inlet hole (8), and the outer plate (3) is provided with outer plate counterbore (9) with mushroom head flat buckle (4) is matched with each other, and the outer plate (3) is provided with oil outlet hole (7) and oil inlet hole (8), and the inner plate counterbore (6) and outer plate counterbore (9) are provided with step hole (10).

2. The heat shielded support of claim 1, wherein: The horizontal height and vertical height of the inner plate (1) are at least one greater than the height of the outer plate (3).

3. The heat shielded support of claim 1, wherein: The mushroom head flat buckle (4) is evenly arranged on the rubber plate (2).

4. The heat shielded support of claim 1, wherein: The mushroom head flat buckle (4) is symmetrically arranged on the both sides of the rubber plate (2).

5. The thermally insulated support of claim 1, wherein: The oil outlet hole (7) and oil inlet hole (8) are provided with step hole (10).

6. The heat shield of claim 1, wherein: The oil outlet hole (7) and oil inlet hole (8) are arranged in the connecting area of the inner plate counterbore (6).

7. The heat shield of claim 1 wherein: The size, shape and position of the oil outlet hole (7) and oil inlet hole (8) on the outer plate (3) are the same as those on the inner plate (1).

Citation Information

Patent Citations

  • Hydraulic retarder

    CN103047322A