A generator assembly
By designing a generator assembly that integrates tensioner wheels and belt tensioner devices, the automatic tensioner is solved due to space limitations and high costs, and flexible adjustment of belt tightness and cost savings are achieved.
Patent Information
- Application Number
- CN202422139497.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-02
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-09-02
AI Technical Summary
Due to space limitations and high costs, existing automatic tensioners are difficult to widely use in non-road engines.
A generator assembly is designed, integrating tensioning wheels and belt tensioner devices, and using adjustment brackets, adjustment components and adjustment sliders to achieve elastic adjustment of the belt to adapt to space-constrained installation needs.
It realizes flexible adjustment of belt tightness, reduces parts quantity and cost, and is suitable for engine systems with limited space.
Smart Images

Figure CN222717361U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engines, in particular to a generator assembly. Background Art
[0002] The function of the belt tensioner is to adjust the tightness of the belt, reduce the vibration of the belt during operation, and prevent the belt from slipping to a certain extent, so as to ensure the normal and stable operation of the transmission system.
[0003] Using an automatic tensioner to tension the accessory belt is a better tensioning method, which can ensure the tension of the belt and make the accessory gear train run reliably. However, some gear trains have small spaces, which makes it impossible to arrange the automatic tensioner. At the same time, the automatic tensioner is relatively expensive, which is costly for non-road engines. Utility Model Content
[0004] In view of the above situation, it is necessary to provide a generator assembly to solve the problems of the automatic tensioner in the prior art being limited by the space of the gear train and being too costly.
[0005] A generator assembly is used in conjunction with an engine, the generator assembly comprising a generator assembly body, a tensioning wheel and a belt tensioner device, the tensioning wheel is arranged on one side of the generator assembly body, a belt is sleeved on the tensioning wheel, the belt is rotatably connected to the tensioning wheel, the belt tensioner device is arranged at the upper end of the generator assembly body, the belt tensioner device comprises an adjustment bracket, an adjustment component and an adjustment slide rod, the two ends of the adjustment bracket are bent to form a first bending surface and a second bending surface, the first bending surface is provided with an opening and a first through hole, the opening is communicated with the first through hole, the size of the opening is smaller than the size of the first through hole, the adjustment component comprises an adjustment A joint bolt and an adjusting gasket, wherein both end surfaces of the adjusting gasket are respectively abutted against one end of the adjusting bolt and the first bending surface, and the other end of the adjusting bolt passes through the first through hole, and the adjusting slide rod comprises a first rod body and a second rod body, the first rod body and the second rod body are fixedly connected, the first rod body is provided with a first threaded through hole, the first rod body is screwed with the adjusting bolt through the first threaded through hole, a U-shaped groove is provided on one side of the adjusting bracket, the second rod body passes through the U-shaped groove, the second rod body is screwed with the generator assembly body through a first fixing nut, and the second bending surface is provided with a second through hole, and the second through hole is screwed with the generator through the first fixing bolt.
[0006] Beneficial effects of the utility model:
[0007] 1. When the belt tightness needs to be adjusted, first loosen the second fixing bolt and the first fixing nut respectively. Only loosen them slightly, and then turn the adjustment assembly to move the adjustment slide bar in the U-shaped groove of the adjustment bracket, driving the generator assembly and the tensioning wheel to rotate with the second fixing bolt as the rotation axis, thereby adjusting the tightness of the belt. When the belt is adjusted to the appropriate degree, tighten the first fixing nut and the second fixing bolt.
[0008] 2. The structure is simple and the operation is flexible. The integrated generator assembly of the belt tensioner device and the generator assembly is beneficial to the arrangement of parts, reduces the number of parts and saves costs.
[0009] Furthermore, the length of the adjusting bolt is greater than the length of the U-shaped groove.
[0010] Furthermore, a flange is sleeved on one end of the first rod body adjacent to the second rod, the flange abuts against one side of the adjustment bracket, and the width of the U-shaped groove is smaller than the width of the flange.
[0011] Furthermore, the tensioning wheel is provided with a wheel groove, and the wheel groove is adapted to the belt.
[0012] Furthermore, the belt is in a triangular shape, and is respectively connected to the fan wheel and the crankshaft input wheel.
[0013] Furthermore, a support column is provided at the upper end of the generator assembly body, the support column is adjacent to the adjustment bracket, and the support column is connected to the adjustment bracket through the second rod body.
[0014] Furthermore, fixing brackets are provided on both sides of the bottom of the generator assembly body, the fixing brackets are provided with third through holes, and the generator assembly body is connected to the engine by passing a second fixing bolt through the third through holes. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model;
[0016] Figure 2 It is a left side view of the first embodiment of the utility model;
[0017] Figure 3 It is a right side view of the first embodiment of the utility model;
[0018] Figure 4 This is a schematic structural diagram of an adjustment bracket according to a first embodiment of the utility model;
[0019] Figure 5 It is a structural schematic diagram of the adjustment component of the first embodiment of the utility model;
[0020] Figure 6 This is a schematic structural diagram of the adjustment slide bar of the first embodiment of the utility model;
[0021] Figure 7 It is a structural schematic diagram of the second fixing bolt and the second fixing nut of the first embodiment of the utility model.
[0022] Explanation of the reference numerals: 1. generator assembly; 100. support column; 101. fixing bracket; 102. second fixing bolt; 103. second fixing nut; 2. tensioning wheel; 201. wheel groove; 3. belt tensioner device; 300. adjusting bracket; 301. first bending surface; 302. opening; 303. first through hole; 304. second bending surface; 305. second through hole; 306. U-shaped groove; 307. first fixing bolt; 310. adjusting assembly; 311. adjusting bolt; 312. adjusting gasket; 320. adjusting slide rod; 321. first rod body; 322. flange; 323. second rod body; 324. first threaded through hole; 325. first fixing nut; 4. belt. DETAILED DESCRIPTION
[0023] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The drawings provide embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing this embodiment is to make the disclosure of the present invention more thorough and comprehensive.
[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by technicians in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items. In addition, the various embodiments of the present invention, the features in the embodiments, and the features of the embodiments can be freely combined without obvious conflicts or contradictions.
[0026] This embodiment provides a generator assembly, which is used in conjunction with an engine (not shown). Figures 1 to 3As shown, the generator assembly includes a generator assembly body 1 , a tensioning pulley 2 and a belt tensioner device 3 .
[0027] Specifically, the tensioning wheel 2 is arranged on one side of the generator assembly body 1, and a belt 4 is sleeved on the tensioning wheel 2. The tensioning wheel 2 is provided with a wheel groove 201. The belt 4 is rotatably connected to the tensioning wheel 2. The belt 4 is triangular in shape, and the belt 4 is also respectively connected to the fan wheel (not shown) and the crankshaft input wheel (not shown).
[0028] Specifically, a support column 100 is provided at the upper end of the generator assembly body 1 , and the support column 100 is connected to the adjustment bracket 300 via the second rod body 323 , and the second rod body 323 is screwed to the generator assembly body 1 via a first fixing nut 325 .
[0029] Specifically, fixing brackets 101 are provided on both sides of the bottom of the generator assembly 1, and the fixing brackets 101 are provided with a third through hole (not shown) and a second fixing bolt 102. The generator assembly 1 uses the second fixing bolt 102 to pass through the two third through holes and the engine respectively, and then uses the second fixing nut 103 to lock the generator assembly 1 and the engine.
[0030] Specifically, Figures 1 to 7As shown, the belt tensioner device 3 is arranged at the upper end of the generator assembly 1, and the belt tensioner device 3 includes an adjustment bracket 300, an adjustment assembly 310 and an adjustment slide rod 320. The two ends of the adjustment bracket 300 are bent to form a first bending surface 301 and a second bending surface 304. The first bending surface 301 is provided with an opening 302 and a first through hole 303. The opening 302 is connected to the first through hole 303, and the size of the opening 302 is smaller than the size of the first through hole 303. The adjustment assembly 310 includes an adjustment bolt 311 and an adjustment gasket 312. The two end surfaces of the adjustment gasket 312 abut against one end of the adjustment bolt 311 and the first bending surface 301, and the other end of the adjustment bolt 311 passes through the first through hole 303. The adjustment slide rod 320 includes a first rod body 321 and The second rod body 323, the first rod body 321 is fixedly connected with the second rod body 323, the outer edge of one end of the first rod body 321 adjacent to the second rod 123 is provided with a flange 322, the width of the U-shaped groove 306 is smaller than the width of the flange 322, the first rod body 321 is provided with a first threaded through hole 324, the first rod body 321 is screwed with the adjusting bolt 311 through the first threaded through hole 324, one side of the adjusting bracket 300 is provided with a U-shaped groove 306, the length of the adjusting bolt 311 is greater than the length of the U-shaped groove 306, the second rod body 323 passes through the U-shaped groove 306, the flange 322 abuts against one side of the adjusting bracket 300, the second bending surface 304 is provided with a second through hole 305, and the second through hole 305 is screwed with the generator through a first fixing bolt 307.
[0031] The implementation process of this utility model is:
[0032] When the tightness of the belt 4 needs to be adjusted, the adjusting bracket 300 is kept fixedly connected to the generator through the first fixing bolt 307, and the first fixing nut 325 and the second fixing nut 103 are loosened respectively, only slightly loosened, and then the adjusting bolt 311 is turned to loosen the adjusting slide bar 320 and the adjusting bracket 300, so that the second rod body 323 moves in the U-shaped groove 106, and the flange 322 ensures that the adjusting slide bar 320 can move along the side of the U-shaped groove 106, driving the generator assembly 200 and the tensioning wheel 2 to rotate around the second fixing bolt 102 as the center, and the triangular belt is connected to the tensioning wheel 2, the fan wheel and the crankshaft input wheel at the same time. The tightness of the connection between one end of the tensioning wheel 2 and the belt 4 is adjusted. The belt 4 remains connected to the fan wheel and the crankshaft input wheel unchanged, thereby adjusting the tightness of the belt 4. When the belt 4 is adjusted to a suitable tightness, the first fixing nut 325 and the second fixing nut 103 are tightened again.
[0033] The utility model has a simple structure and flexible operation, and integrates the belt tensioner device 3 with the generator assembly body 1 to form an integrated generator assembly, which is beneficial to parts arrangement, reduces the number of parts, and saves manufacturing costs.
[0034] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0035] The above-mentioned embodiments only express the implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A generator assembly, used in conjunction with an engine, characterized in that: The generator assembly comprises a generator assembly body, a tensioning wheel and a belt tensioner device, wherein the tensioning wheel is arranged on one side of the generator assembly body, a belt is sleeved on the tensioning wheel, and the belt is rotatably connected to the tensioning wheel, and the belt tensioner device is arranged at the upper end of the generator assembly body, and the belt tensioner device comprises an adjustment bracket, an adjustment component and an adjustment slide rod, and the two ends of the adjustment bracket are bent to form a first bending surface and a second bending surface, and the first bending surface is provided with an opening and a first through hole, and the opening is connected to the first through hole, and the size of the opening is smaller than the size of the first through hole, and the adjustment component comprises an adjustment bolt and an adjustment gasket, The two end surfaces of the adjusting gasket are respectively abutted against one end of the adjusting bolt and the first bent surface, and the other end of the adjusting bolt passes through the first through hole, and the adjusting slide rod includes a first rod body and a second rod body, the first rod body and the second rod body are fixedly connected, the first rod body is provided with a first threaded through hole, the first rod body is screwed with the adjusting bolt through the first threaded through hole, a U-shaped groove is provided on one side of the adjusting bracket, the second rod body passes through the U-shaped groove, the second rod body is screwed with the generator assembly body through a first fixing nut, and the second bending surface is provided with a second through hole, and the second through hole is screwed with the generator through the first fixing bolt.
2. The generator assembly according to claim 1, characterized in that: The length of the adjusting bolt is greater than the length of the U-shaped groove.
3. The generator assembly according to claim 1, characterized in that: A flange is sleeved on one end of the first rod body adjacent to the second rod, the flange abuts against one side of the adjustment bracket, and the width of the U-shaped groove is smaller than the width of the flange.
4. The generator assembly according to claim 1, characterized in that: The tensioning wheel is provided with a wheel groove, and the wheel groove is adapted to the belt.
5. The generator assembly according to claim 4, characterized in that: The belt is in a triangular shape and is respectively connected to the fan wheel and the crankshaft input wheel.
6. The generator assembly according to claim 1, characterized in that: A support column is disposed at the upper end of the generator assembly body, the support column is adjacent to the adjustment bracket, and the support column is connected to the adjustment bracket through the second rod body.
7. The generator assembly according to claim 1, characterized in that: The generator assembly body is provided with fixing brackets at both sides of the bottom, the fixing brackets are provided with third through holes, and the generator assembly body is connected to the engine by passing second fixing bolts through the third through holes.