Engine front end wheel train with flat wheel automatic tensioner

Abstract

The utility model belongs to the technical field of vehicle engines, and particularly relates to an engine front-end wheel train with a flat wheel automatic tensioner, which comprises a tensioning assembly, a tensioning wheel of the tensioning assembly is abutted against a transmission belt lapped on an engine body front-end wheel train, the tensioning wheel is rotatably connected onto a fixing shaft integrally arranged on a fixing frame, and the fixing shaft is rotatably connected with the tensioning assembly. One end of the fixing frame is rotationally connected to the placement frame, a damping supporting rod is arranged between the fixing frame and the placement frame, and a debugging push rod is arranged on the portion, located in the adjusting groove, of the inserting shaft. According to the tensioning device, the damping supporting rod is used for providing supporting force for the tensioning wheel, so that the tensioning wheel can stably abut against the transmission belt, the transmission belt is tensioned, it is guaranteed that the transmission belt effectively conducts transmission, and meanwhile the damping supporting rod can properly stretch out and draw back along with changes of the stress, borne by the tensioning wheel, of the transmission belt. And it is guaranteed that the tensioning wheel conducts effective tensioning operation on the transmission belt all the time, the overall structure is simple, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle engines, in particular to a front end wheel system of an engine with an automatic tensioner of a flat wheel. Background Art

[0002] The front gear train of the engine refers to a transmission system that connects the crankshaft pulley, fan pulley, water pump pulley, etc. through one or more belts to achieve the transmission of engine power. In the prior art, a manual tensioner is usually set in the front gear train of the engine to adjust the tension of the belt manually, such as manually adjusting the manual tensioner screw regularly to tighten or loosen the belt, which is cumbersome and complicated to operate and inconvenient to use. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides an engine front end gear train with a tension wheel automatic tensioner, which solves the problem that the tension wheel needs to be debugged manually on a regular basis, which is cumbersome and complicated to operate and inconvenient to use.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] The front end wheel system of an engine with a balance wheel automatic tensioner comprises a tensioning assembly, the tensioning wheel of the tensioning assembly abuts against a transmission belt placed on the front end wheel system of the engine body, and the tensioning wheel is rotatably connected to a fixed shaft integrally arranged on a fixed frame, one end of the fixed frame is rotatably connected to a mounting frame, and a damping support rod is arranged between the fixed frame and the mounting frame, one end of the damping support rod is plugged into the mounting frame through a plug-in shaft, and the other end is plugged into an adjustment groove provided on the fixed frame through the plug-in shaft, and a debugging push rod is arranged on the plug-in shaft located in the adjustment groove.

[0008] The cam is connected to the fixing frame via a rivet shaft, and a support rod is integrally provided at one end of the fixing frame, and a foot plate is integrally provided at the end of the support rod, and a plug-in hole matching the plug-in shaft is provided on the fixing frame, and a limit stop ring is arranged on the plug-in shaft, and the plug-in shaft is rotatably connected to a connecting ear arranged at the end of the damping support rod, and the plug-in shaft at one end of the fixing frame is through-plugged into the adjusting groove, and the debugging push rod is arranged on the shaft body of the plug-in shaft located in the through groove, and a lap groove is arranged at the end of the debugging push rod, and a stop rod is fixedly arranged in the adjusting groove, and the stop rod is matched with the limit groove on one side of the adjusting groove, and the lap groove opened at the end of the debugging push rod corresponds to the stop rod and matches the stop rod.

[0009] (III) Beneficial effects

[0010] Compared with the prior art, the utility model provides an engine front end gear train with a sprocket automatic tensioner, which has the following beneficial effects:

[0011] The utility model utilizes the damping support rod to provide supporting force for the tensioning wheel, so that the tensioning wheel can stably contact the transmission belt, tighten the transmission belt, and ensure that the transmission belt is effectively transmitted. At the same time, the damping support rod can appropriately expand and contract as the tensioning wheel is subjected to the stress change of the transmission belt, so as to ensure that the tensioning wheel can always effectively tighten the transmission belt. The overall structure is simple and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the tensioning assembly in the utility model;

[0013] Figure 2 It is a structural schematic diagram of the fixing frame in the utility model;

[0014] Figure 3 It is a structural schematic diagram of the placement frame in the utility model;

[0015] Figure 4 It is a structural schematic diagram of the damping support rod in the utility model;

[0016] Figure 5 It is a structural schematic diagram of the utility model.

[0017] In the figure: 1. tensioning assembly; 101. tensioning wheel; 102. fixing frame; 1021. fixing shaft; 1022. baffle; 1023. through slot; 1024. adjusting slot; 1025. stop rod; 103. limit stopper; 104. mounting frame; 1041. support rod; 1042. foot plate; 105. riveted shaft; 106. damping support rod; 1061. connecting ear; 1062. plug-in shaft; 1063. debugging push rod; 1064. overlapping slot; 2. engine body. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] Example

[0020] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, an embodiment of the utility model proposes: an engine front end gear train with a flat wheel automatic tensioner, including a tensioning assembly 1, a tensioning wheel 101 of the tensioning assembly 1 abuts against a transmission belt placed on the front end gear train of the engine body 2, and the tensioning assembly 1 is used to effectively tension the transmission belt to ensure that the transmission belt can stably transmit power, and the tensioning wheel 101 is rotatably connected to a fixed shaft 1021 integrally arranged on a fixed frame 102, and the tensioning wheel 101 is stably mounted on the fixed frame 102 by the fixed shaft 1021, so that the two can be stably used together, and one end of the fixed frame 102 is rotatably connected to a mounting frame 104, and the mounting frame 104 is used to stably mount the fixed frame 102 and the tensioning wheel 101 on the engine casing, so that the entire tensioning assembly 1 is stably It is installed to facilitate the tensioning operation of the transmission belt, and a damping support rod 106 is arranged between the fixed frame 102 and the mounting frame 104, one end of the damping support rod 106 is plugged into the mounting frame 104 through the plug-in shaft 1062, and the other end is plugged into the adjusting groove 1024 opened on the fixed frame 102 through the plug-in shaft 1062. The damping support rod 106 is used to provide a stable supporting force for the fixed frame 102 and the tensioning wheel 101, thereby ensuring that the tensioning wheel 101 can stably contact the transmission belt and effectively perform a tensioning operation on it. A debugging push rod 1063 is arranged on the plug-in shaft 1062 located in the adjusting groove 1024, which is convenient for debugging the position of the damping support rod 106 on the fixed frame 102, realizing debugging operations with different supporting forces, achieving the purpose of stable use, and improving the convenience of use.

[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, in some embodiments, a limited stopper 103 can be detachably installed on the fixed shaft 1021, and the tensioning wheel 101 is rotatably connected to the shaft body between the baffle 1022 and the limited stopper 103 on the fixed shaft 1021, so that an effective blockage is formed on the fixed shaft 1021, so that the tensioning wheel 101 can be stably installed on the fixed shaft 1021, and rotate on the fixed shaft 1021 together with the transmission belt during use, so that the tensioning wheel 101 always tensions the transmission belt, and a through groove 1023 for accommodating the accommodating frame 104 is provided on the fixed frame 102, and the fixed frame 102 is rotatably connected to the accommodating frame 104 through the riveted shaft 105, so as to ensure that the accommodating frame 104 and the fixed frame 102 are stably installed together and can be used after use. The process ensures smooth rotation of the two, so as to ensure that the tensioning wheel 101 and the fixing frame 102 rotate together with the different tensioning requirements of the transmission belt, so as to achieve the purpose of stable use, and the tensioning wheel 101 can effectively tension the transmission belt, and one end of the mounting frame 104 is integrally provided with a support rod 1041, and the end of the support rod 1041 is integrally provided with a foot plate 1042. The support rod 1041 and the foot plate 1042 are used together to stably install the mounting frame 104 on the engine casing, and the foot plate 1042 is provided with a through hole for inserting bolts, so that the installation and fixing bolts can pass smoothly, so that the foot plate 1042 can be fixedly installed on the engine casing, and the mounting frame 104 is provided with a matching The plug-in hole of the plug-in shaft 1062 is provided with a limited stop ring, so that the plug-in shaft 1062 can be used to stably install the damping support rod 106 on the mounting frame 104, so that the two can be stably matched together. The plug-in shaft 1062 is rotatably connected to the connecting ear 1061 provided at the end of the damping support rod 106. The rotational connection between the two is convenient to ensure that the damping support rod 106 can produce adaptive rotation on the plug-in shaft 1062 during the extension and retraction process during use, avoiding motion interference and ensuring the smooth operation of the damping support rod 106. The damping support rod 106 provides a stable supporting force for the fixing frame 102 and the tensioning wheel 101, so that the tensioning wheel 101 can stably resist the transmission belt. The effective tensioning operation of the transmission belt is achieved. At the same time, the damping support rod 106 can generate appropriate expansion and contraction as the tension wheel 101 is subjected to the change of the transmission belt stress, ensuring that the tension wheel 101 always performs effective tensioning operation on the transmission belt, and the plug-in shaft 1062 of the damping support rod 106 at one end of the fixed frame 102 is inserted into the adjustment groove 1024 in a through-type manner, and the debugging push rod 1063 is arranged on the shaft body of the plug-in shaft 1062 located in the through groove 1023, so that when adjustment is needed during use, the debugging push rod 1063 is directly used to drive the plug-in shaft 1062 to slide in the adjustment groove 1024, and the position of the end of the damping support rod 106 is adjusted to complete the debugging operation of the damping support rod 106 with different supporting forces, so as to better adapt to the use requirements.In addition, a lap groove 1064 is provided at the end of the debugging push rod 1063, and a stopper 1025 is fixedly arranged in the adjustment groove 1024. The stopper 1025 is matched with the limiting groove on one side of the adjustment groove 1024 in a one-to-one manner, and the lap groove 1064 provided at the end of the debugging push rod 1063 is matched with the stopper 1025 in a one-to-one manner, so that during the debugging process, the debugging push rod 1063 is driven to overlap the lap groove 1064 on the stopper 1025, and then the debugging push rod 1063 is rotated with the center axis of the stopper 1025, so as to drive the plug-in shaft 1062 to slide in the adjustment groove 1024, and the adjustment groove 1024 is pushed to the limiting groove at different positions, so as to complete the position debugging operation of the end of the damping support rod 106, and the end of the damping support rod 106 is limited and fixed at this position to ensure stable use.

[0022] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An engine front end gear train with an automatic tensioner for a flat wheel, comprising a tensioning assembly (1), characterized in that: The tensioning wheel (101) of the tensioning assembly (1) contacts a driving belt placed on a front wheel train of the engine body (2), and the tensioning wheel (101) is rotatably connected to a fixed shaft (1021) integrally arranged on a fixed frame (102), one end of the fixed frame (102) is rotatably connected to a placement frame (104), and a damping support rod (106) is arranged between the fixed frame (102) and the placement frame (104), one end of the damping support rod (106) is plugged into the placement frame (104) through a plug-in shaft (1062), and the other end of the damping support rod (106) is plugged into an adjustment groove (1024) provided on the fixed frame (102) through a plug-in shaft (1062), and an adjustment push rod (1063) is arranged on the plug-in shaft (1062) located in the adjustment groove (1024).

2. The engine front end gear train with a parallel wheel automatic tensioner according to claim 1, characterized in that: The fixed shaft (1021) is detachably provided with a limit stopper (103); the tension wheel (101) is rotatably connected to the shaft between the baffle plate (1022) and the limit stopper (103) on the fixed shaft (1021); a through slot (1023) for accommodating the accommodating frame (104) is provided on the fixed frame (102); the fixed frame (102) and the accommodating frame (104) are rotatably connected via a riveted shaft (105); and a support rod (1041) is integrally provided at one end of the accommodating frame (1044); and a foot plate (1042) is integrally provided at the end of the support rod (1041).

3. The engine front end gear train with a parallel wheel automatic tensioner according to claim 2, characterized in that: The mounting frame (104) is provided with a plug-in hole for matching the plug-in shaft (1062), a limit stop ring is arranged on the plug-in shaft (1062), the plug-in shaft (1062) is rotatably connected to a connecting ear (1061) arranged at the end of the damping support rod (106), and the plug-in shaft (1062) of the damping support rod (106) located at one end of the fixing frame (102) is inserted into the adjustment groove (1024), the adjustment push rod (1063) is arranged on the shaft body of the plug-in shaft (1062) located in the through groove (1023), and the end of the adjustment push rod (1063) is provided with a lap groove (1064).

4. The engine front end gear train with a parallel wheel automatic tensioner according to claim 3, characterized in that: A blocking rod (1025) is fixedly arranged in the adjustment groove (1024), the blocking rod (1025) is matched with a limiting groove on one side of the adjustment groove (1024) in a one-to-one manner, and a lap groove (1064) provided at the end of the debugging push rod (1063) is matched with the blocking rod (1025) in a one-to-one manner.

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