Auxiliary supporting device for hybrid gearbox special for automobile

Abstract

The utility model belongs to the technical field of hybrid power gearboxes special for automobiles, and discloses an auxiliary supporting device for a hybrid power gearbox special for an automobile, which comprises a supporting mechanism, the supporting mechanism comprises a supporting plate, the top of the supporting plate is fixedly connected with two positioning blocks, the top of the supporting plate is fixedly connected with an anti-collision pad, and the positioning blocks are fixedly connected with the anti-collision pad. Through cooperation of structures such as an anti-collision pad and a supporting plate, the hybrid power gearbox body can be supported and buffered through the anti-collision pad, the elastic force of a first spring and the air pressure in a sealing groove, and the situation that when the hybrid power gearbox body is installed, a shell of the hybrid power gearbox body is damaged due to impact is avoided; meanwhile, the movable support can be buffered and supported through the elastic force of the second spring, the air pressure in the cavity and the air bag, the buffering and supporting strength is improved, vibration energy is absorbed and converted, the displacement amplitude of the hybrid transmission main body is reduced, the stability of the hybrid transmission main body is improved, and abrasion of peripheral parts is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the automobile special hybrid transmission, specifically a kind of automobile special hybrid transmission auxiliary support device. BACKGROUND

[0002] Under the background of the transformation of automobile industry to electrification and intelligentization, hybrid electric vehicle becomes the hot choice in market with its double advantages in energy saving and emission reduction and power performance, and hybrid transmission, as the key component in hybrid vehicle power system, realizes power distribution and conversion between engine and motor, so as to ensure that vehicle can operate efficiently under different working conditions, however, hybrid transmission is complex in structure, and it integrates traditional gear box, clutch, motor, inverter and other components, which not only increases the overall weight of device, but also puts forward higher requirements for stability and service life of transmission.

[0003] The auxiliary support device for the parallel hybrid passenger car special transmission disclosed in the prior art document CN201736803U includes connecting rod, movable support, fixed support, fixed plate, clamp, connecting rod rubber sleeve and two-way shock-absorbing rubber cushion, wherein the fixed support is fixed at the lower part of automobile frame girder, the fixed plate is installed at the lower part of transmission, the connecting rod rubber sleeve is sleeved on the connecting rod, then the clamp is sleeved on the connecting rod rubber sleeve, and finally the clamp is fixed on the fixed plate by screw rod as a whole, and the transmission is connected to form a whole.

[0004] In actual application, hybrid transmission will bear larger torque and vibration under high load working condition, such as sudden acceleration or climbing, which may cause larger stress at the connection between transmission and vehicle body, thereby causing problems such as noise, vibration, abnormal sound, and even accelerating wear of transmission and surrounding parts, affecting driving safety and driving comfort, therefore, the utility model provides a kind of automobile special hybrid transmission auxiliary support device. UTILITY MODEL CONTENTS

[0005] To solve the above background technology, in actual application, hybrid transmission will bear larger torque and vibration under high load working condition, such as sudden acceleration or climbing, which may cause larger stress at the connection between transmission and vehicle body, thereby causing problems such as noise, vibration, abnormal sound, and even accelerating wear of transmission and surrounding parts, affecting driving safety and driving comfort, the utility model provides a kind of automobile special hybrid transmission auxiliary support device.

[0006] To achieve the above object, the utility model provides following technical scheme: a kind of special hybrid transmission auxiliary supporting device for car, the inside of the supporting mechanism is provided with two buffer mechanisms, the inside of the supporting mechanism is provided with main body mechanism, the main body mechanism is between two buffer mechanisms;

[0007] The supporting mechanism includes a support plate, the top of the support plate is fixedly connected with two positioning blocks, the top of the support plate is fixedly connected with a crash pad, the bottom of the support plate is fixedly connected with two first piston rods, the bottom of the first piston rod is fixedly connected with a first spring, the support plate is slidably connected with the inner wall of the fixed support, a plurality of sealing grooves are formed in the inner wall of the fixed support, and air holes are formed in the inner wall of the sealing grooves.

[0008] Preferably, the first piston rod extends through the inner wall of the fixed support to the inside of the sealing groove, the bottom of the first piston rod is elastically connected between the first spring and the inner wall of the sealing groove, and the position where the crash pad is fixedly connected with the positioning block is provided with a protruding portion.

[0009] Preferably, the buffer mechanism includes a movable support, the side of the movable support close to the crash pad is fixedly connected with a silent pad, the side of the movable support away from the silent pad is fixedly connected with a second piston rod, the side of the second piston rod away from the movable support is fixedly connected with a second spring, the inner wall of the support plate is provided with a sliding groove on both sides, the inside of the sliding groove is fixedly connected with an air bag, the top of the movable support and the silent pad is provided with an inclined surface, and the bottom of the movable support and the silent pad is provided with a groove.

[0010] Preferably, the silent pad is slidably connected between the sliding groove, the second piston rod is located in the inside of the air bag, the number of the movable supports is two, and the support plate is located between the two movable supports.

[0011] Preferably, the second piston rod extends through the inner wall of the sliding groove to the inside of the sealing groove, the second piston rod is elastically connected between the second spring and the inner wall of the sealing groove, the size of the groove is matched with the size of the protruding portion of the crash pad, and the plurality of sealing grooves are communicated between the air holes and the air bags.

[0012] Preferably, the main body mechanism includes a hybrid transmission main body, and the bottom of the hybrid transmission main body is provided with two positioning grooves.

[0013] Preferably, the size of the positioning groove is matched with the size of the protruding portion of the crash pad and is clamped with the same, the hybrid transmission main body is located between the two movable supports, and the two sides of the hybrid transmission main body are respectively abutted between the two silent pads.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] The utility model discloses through setting up the structure cooperation of anticollision pad and support plate can through anticollision pad, first spring elasticity and the internal air pressure of sealing groove to mixed motion gearbox main part play the role of support and buffer, avoid the case of damage that mixed motion gearbox main part's shell is caused by impact when installing mixed motion gearbox main part, simultaneously when mixed motion gearbox main part works and produces the vibration or the jolt in the process of car running makes mixed motion gearbox main part to displace in the fixed support inside, mixed motion gearbox main part will extrude movable support, and the second piston rod extrudes second spring and the gas in the cavity, and the air bag is more full through air pressure, thereby through the elasticity of second spring, the cavity air pressure and air bag buffer and support this movable support, improve the buffer and support intensity and absorb and convert vibration energy, reduce mixed motion gearbox main part displacement amplitude, improve mixed motion gearbox main part's stability, reduce the wear and tear of surrounding parts. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic diagram of the utility model;

[0017] Figure 2 It is the structure relationship cooperation schematic diagram of the utility model positioning groove and anticollision pad;

[0018] Figure 3 It is the overhead structure schematic diagram of the utility model support mechanism;

[0019] Figure 4 It is the structure relationship cooperation schematic diagram of the utility model vent groove and air bag;

[0020] Figure 5 It is the buffer mechanism sectional structure schematic diagram of the utility model.

[0021] In the drawing: 1, support mechanism;101, support plate;102, positioning block;103, anticollision pad;104, first piston rod;105, first spring;106, fixed support;107, sealing groove;108, vent hole;2, buffer mechanism;201, movable support;202, mute pad;203, second piston rod;204, second spring;205, air bag;206, inclined plane;207, sliding slot;208, recess;3, main mechanism;301, mixed motion gearbox main part;302, positioning groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0023] As shown in Figures 1 to 5 The utility model provides a kind of auxiliary support device of hybrid transmission for automobile, including support mechanism 1, the inside of support mechanism 1 is provided with two buffer mechanism 2, the inside of support mechanism 1 is provided with main body mechanism 3, main body mechanism 3 is between two buffer mechanism 2;

[0024] Support mechanism 1 includes support plate 101, the top of support plate 101 is fixedly connected with two locating blocks 102, the top of support plate 101 is fixedly connected with anti-collision pad 103, the bottom of support plate 101 is fixedly connected with two first piston rod 104, the bottom of first piston rod 104 is fixedly connected with first spring 105, support plate 101 is slidably connected between the inner wall of fixed bracket 106, several sealing grooves 107 are arranged in the inside of fixed bracket 106, air hole 108 is arranged in the inner wall of sealing groove 107.

[0025] First piston rod 104 extends to the inside of sealing groove 107 by penetrating the inner wall of fixed bracket 106, the bottom of first piston rod 104 is elastically connected between first spring 105 and the inner wall of sealing groove 107, and the position where anti-collision pad 103 is fixedly connected with locating block 102 is provided with protruding part.

[0026] The above scheme is adopted: as shown in Figure 2 First spring 105 is in compression state, as shown in Figure 5 Second spring 204 is in compression state, and the structure such as anti-collision pad 103 and support plate 101 is arranged to cooperate, after hybrid transmission main body 301 is placed in the inside of fixed bracket 106, hybrid transmission main body 301 will extrude anti-collision pad 103 and support plate 101 downwards to make it descend, and by first piston rod 104 extruding first spring 105 and the gas in the inside of sealing groove 107 downwards, by the elastic force of anti-collision pad 103, first spring 105 and the gas pressure in the inside of sealing groove 107, hybrid transmission main body 301 is supported and buffered, to avoid the damage of the shell of hybrid transmission main body 301 caused by impact when hybrid transmission main body 301 is installed.

[0027] As shown in Figures 2 to 5As shown, the buffer mechanism 2 comprises a movable support 201, the movable support 201 is fixedly connected with a mute pad 202 on one side close to the crash pad 103, the other side of the movable support 201 away from the mute pad 202 is fixedly connected with a second piston rod 203, the other side of the second piston rod 203 away from the movable support 201 is fixedly connected with a second spring 204, both sides of the inner wall of the support plate 101 are provided with a sliding groove 207, the inside of the sliding groove 207 is fixedly connected with an air bag 205, the top of the movable support 201 and the mute pad 202 is provided with an inclined surface 206, and the bottom of the movable support 201 and the mute pad 202 is provided with a groove 208.

[0028] The mute pad 202 is in sliding connection with the sliding groove 207, the second piston rod 203 is located in the air bag 205, the number of the movable support 201 is two, the support plate 101 is located between the two movable supports 201, the second piston rod 203 extends to the inside of the sealing groove 107 through the inner wall of the sliding groove 207, the second piston rod 203 is elastically connected between the second spring 204 and the inner wall of the sealing groove 107, the size of the groove 208 is matched with the size of the protruding part of the crash pad 103, and the plurality of sealing grooves 107 are communicated between the air bag 205 through the air holes 108.

[0029] The main body mechanism 3 comprises a hybrid transmission main body 301, two positioning grooves 302 are formed in the bottom of the hybrid transmission main body 301, the size of the positioning groove 302 is matched with the size of the protruding part of the crash pad 103 and is clamped with the same, the hybrid transmission main body 301 is located between the two movable supports 201, and the two sides of the hybrid transmission main body 301 are respectively abutted with the two mute pads 202.

[0030] Adopt the above scheme: because the sealing groove 107 is communicated with the air bag 205 through the vent hole 108, the gas inside the sealing groove 107 is extruded to increase the air pressure in the cavity, so that the air bag 205 is filled, when the hybrid transmission main body 301 is completely placed in the fixed support 106, the recess 208 on the movable support 201 is aligned with the protruding part of the anti-collision pad 103, at this time the air bag 205 is filled to the position that can support the movable support 201, the soundproof pad 202 on the movable support 201 is abutted with the side surface of the hybrid transmission main body 301, and the clamping and fixing of the hybrid transmission main body 301 are completed; when the hybrid transmission main body 301 is displaced in the fixed support 106 due to vibration during work or jolt during driving, the hybrid transmission main body 301 will extrude the movable support 201, so that the second piston rod 203 extrudes the second spring 204 and the gas in the cavity, the air bag 205 is filled more through the air pressure, so that the movable support 201 is buffered and supported by the elastic force of the second spring 204, the air pressure in the cavity and the air bag 205, the buffering and supporting strength is improved, the vibration energy is absorbed and converted, the displacement amplitude of the hybrid transmission main body 301 is reduced, the stability of the hybrid transmission main body 301 is improved, and the wear of the surrounding parts is reduced, and the movable support 201 on the other side will slide on the anti-collision pad 103 under the action of the elastic force of the second spring 204 on the side, and always abut with the surface of the hybrid transmission main body 301, so that the noise and vibration caused by the recontact between the hybrid transmission main body 301 and the movable support 201 after separation is avoided, and the noise reduction effect is improved by arranging the soundproof pad 202.

[0031] The working principle and use process of the utility model: when the hybrid transmission main body 301 is not installed in the fixed support 106, the supporting plate 101 is lifted to the two movable supports 201 by the first spring 105, and is in the state as shown in the figure Figure 3When the hybrid transmission main body 301 is installed to the hybrid transmission main body 301, the positioning groove 302 at the bottom of the hybrid transmission main body 301 is aligned with the protruding part of the crash pad 103 and they are clamped together, and after the hybrid transmission main body 301 is placed inside the fixed support 106, the hybrid transmission main body 301 will press down the crash pad 103 and the support plate 101, and through the first piston rod 104, it will press down the first spring 105 and the gas inside the sealing groove 107, and through the crash pad 103, the first spring 105 and the gas pressure inside the sealing groove 107, the hybrid transmission main body 301 will be supported and buffered, avoiding damage to the shell of the hybrid transmission main body 301 during installation. At the same time, because the sealing groove 107 is connected to the air bag 205 through the air hole 108, the gas inside the sealing groove 107 will be compressed to increase the air pressure in the cavity, thus filling the air bag 205. Finally, when the hybrid transmission main body 301 is completely placed inside the fixed support 106, the groove 208 on the movable support 201 is aligned with the protruding part of the crash pad 103, and at this time the air bag 205 is filled to a position where it can support the movable support 201, so that the silent pad 202 on the movable support 201 is in contact with the side of the hybrid transmission main body 301.

[0032] When the hybrid transmission main body 301 is working and generating vibrations or the car is running and the hybrid transmission main body 301 is displaced inside the fixed support 106, the hybrid transmission main body 301 will press the movable support 201, and the second piston rod 203 will press the second spring 204 and the gas in the cavity, and through the air pressure, the air bag 205 will be filled more, so that through the elastic force of the second spring 204, the air pressure in the cavity and the air bag 205, the movable support 201 will be buffered and supported, the buffering and supporting strength will be improved, and the vibration energy will be absorbed and converted, the displacement amplitude of the hybrid transmission main body 301 will be reduced, and the stability of the hybrid transmission main body 301 will be improved. The other movable support 201 will slide on the crash pad 103 under the action of the elastic force of the second spring 204 on the other side, and will always be in contact with the surface of the hybrid transmission main body 301, avoiding the situation that when the hybrid transmission main body 301 is reset after separation, it will re-contact the movable support 201, causing noise and vibration.

[0033] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0034] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A hybrid transmission auxiliary support device for automobiles, comprising a support mechanism (1), characterized in that: The inside of the support mechanism (1) is provided with two buffer mechanisms (2), and the inside of the support mechanism (1) is provided with a main body mechanism (3) located between the two buffer mechanisms (2); The support mechanism (1) comprises a support plate (101), the top of the support plate (101) is fixedly connected with two positioning blocks (102), the top of the support plate (101) is fixedly connected with a crash pad (103), the bottom of the support plate (101) is fixedly connected with two first piston rods (104), the bottom of the first piston rod (104) is fixedly connected with a first spring (105), and the support plate (101) is slidably connected with the inner wall of a fixed support (106), a plurality of sealing grooves (107) are formed in the inner wall of the fixed support (106), and air holes (108) are formed in the inner wall of the sealing groove (107).

2. The auxiliary support device for a dedicated hybrid transmission of an automobile according to claim 1, characterized in that: The first piston rod (104) extends through the inner wall of the fixed support (106) to the inside of the sealing groove (107), the bottom of the first piston rod (104) is elastically connected between the first spring (105) and the inner wall of the sealing groove (107), and the position where the crash pad (103) and the positioning block (102) are fixedly connected is provided with a protruding portion.

3. The auxiliary support device for a dedicated hybrid transmission of an automobile according to claim 1, characterized in that: The buffer mechanism (2) comprises a movable support (201), the side of the movable support (201) close to the crash pad (103) is fixedly connected with a mute pad (202), the side of the movable support (201) away from the mute pad (202) is fixedly connected with a second piston rod (203), the side of the second piston rod (203) away from the movable support (201) is fixedly connected with a second spring (204), both sides of the inner wall of the support plate (101) are provided with sliding grooves (207), the inside of the sliding groove (207) is fixedly connected with an air bag (205), the top of the movable support (201) and the mute pad (202) is provided with an inclined surface (206), and the bottom of the movable support (201) and the mute pad (202) is provided with a groove (208).

4. The auxiliary support device for a dedicated hybrid transmission of an automobile according to claim 3, characterized in that: The mute pad (202) is slidably connected between the sliding groove (207), the second piston rod (203) is located in the air bag (205), the number of the movable support (201) is two, and the support plate (101) is located between the two movable supports (201).

5. The auxiliary support device for a dedicated hybrid transmission of an automobile according to claim 4, characterized in that: The second piston rod (203) extends through the inner wall of the sliding groove (207) to the inside of the sealing groove (107), the second piston rod (203) is elastically connected between the second spring (204) and the inner wall of the sealing groove (107), the size of the groove (208) is matched with the size of the protruding portion of the crash pad (103), and a plurality of sealing grooves (107) are communicated between the air holes (108) and the air bags (205).

6. The auxiliary support device for a hybrid transmission of a vehicle according to claim 3, characterized in that: The main body mechanism (3) comprises a hybrid transmission main body (301), and the bottom of the hybrid transmission main body (301) is provided with two positioning grooves (302).

7. The auxiliary support device for a dedicated hybrid transmission of an automobile according to claim 6, characterized in that: The positioning groove (302) is matched with the size of the convex part of the anti-collision pad (103) and is clamped with the convex part, the hybrid transmission main body (301) is located between the two movable supports (201), and the two sides of the hybrid transmission main body (301) are respectively abutted with the two silent pads (202).

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