CN218670448U

CN218670448U - Belt tensioner for automobile generator

Info

Publication number: CN218670448U
Application number: CN202223231272.1U
Authority: CN
Inventors: 胡定高
Original assignee: Changzhou Bosheng Alloy Technology Co ltd
Current assignee: Changzhou Bosheng Alloy Technology Co ltd
Priority date: 2022-12-03
Filing date: 2022-12-03
Publication date: 2023-03-21
Anticipated expiration: 2032-12-03

Abstract

The utility model discloses an automobile power generation machine belt tightener, including the device body, the one end demountable installation of device body has first tensioning subassembly, and first tensioning subassembly's side surface swing joint has a protection component, and second tensioning subassembly and runner assembly are installed respectively to the both sides of device body, and the device body includes the triangle dish, and one side fixed surface of triangle dish is connected with the connecting plate. The utility model discloses a device body cooperation buffering subassembly and protection component's dual can protect the belt to alleviate the degree of wear of belt, and then increase of service life, can strengthen tensioning ware's performance under the condition that does not use lubricating oil through first tensioning subassembly, second tensioning subassembly and runner assembly mutually supporting in addition, thereby reduce use cost.

Description

Belt tensioner for automobile generator

Technical Field

The utility model relates to a tensioning ware field specifically is an automobile power generation machine belt tightener.

Background

The tensioner is generally used for timely providing tension or resilience force for tightening a belt when the belt is driven to rotate by a belt pulley, so that the belt is prevented from being clamped and broken, wherein the belt tensioner disclosed by the application number of CN201921223487.4 is an increasingly mature technology, and the belt tensioner provided by the utility model is different from the existing annular tensioner in that the roller is arranged at the opening part of the belt in contact with the tensioner shell, so that the belt can be prevented from directly contacting with the tensioner shell, the abrasion of the belt in the operation process is avoided, the service life of the belt is prolonged, and the roller has the guiding effect on the belt; the end parts for limiting the belt are arranged on the first tensioning wheel and the second tensioning wheel, so that the phenomenon that the belt deviates in the running process and is separated from the tensioning wheels is avoided; the utility model can also adjust the tensity of the belt with different lengths and different tension requirements, and has wider application range; still be provided with the oil feed passageway that is used for pouring into lubricating oil on the gyro wheel, can in time pour into lubricating oil into, lubricate roller tube and inner core to it is better to you guide effect to the belt ground transfer, but this tensioning ware in the use, still has following defect: the tensioner only uses a single roller structure to protect the belt in order to avoid the friction damage of the belt and the tensioner shell, but the protection effect of the roller structure is not obvious enough, the rebound resilience of the belt is insufficient, the protection effect of the protection structure is to be optimized, and meanwhile, the tensioner achieves the lubricating effect through lubricating oil, but the cost is increased due to the fact that the lubricating oil is used for a long time, and therefore the use cost is not saved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile power generation machine belt tightener to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a belt tensioner for an automobile generator comprises a device body, wherein a first tensioning assembly is detachably mounted at one end of the device body, a protection assembly is movably connected to the side surface of the first tensioning assembly, and a second tensioning assembly and a rotating assembly are respectively mounted on two sides of the device body;

the device body comprises a triangular disc, a connecting plate is fixedly connected to the surface of one side of the triangular disc, a first screw hole is formed in one end of the connecting plate, a first fixing ring is fixedly mounted at the other end of the connecting plate, and a buffering assembly is detachably connected to one end of the triangular disc.

As a preferred scheme of the utility model, two second screws, two have been seted up to the one end of triangle dish the equal movable mounting in inside of second screw has the spring, the equal fixed mounting in both ends of spring has the spiral shell piece, one of them spiral shell piece bolted connection is in the inside of second screw.

As a preferred scheme of the utility model, first tensioning subassembly includes the take-up pulley, the inside wall fixed mounting of take-up pulley has first bearing, the spacing groove has been seted up to the side surface of take-up pulley, the equal threaded connection in inside of first bearing and first screw has first bolt.

As the utility model discloses a preferred scheme, the protection component includes the bar shaped plate, one side fixed surface of bar shaped plate installs the guard plate, the fixed surface of guard plate installs the arc, the both ends of arc all rotate and are connected with the gyro wheel.

As a preferred scheme of the utility model, two third screws, two have been seted up to a side surface of lath the equal threaded connection in inside of third screw has the spiral shell piece.

As a preferred scheme of the utility model, the fixed slot has all been seted up at the both ends of arc, the gyro wheel rotates the inside of connecting at the fixed slot, the through-hole has all been seted up to the both sides of fixed slot, the fixed orifices has been seted up on the surface of guard plate, the inside of gyro wheel is rotated and is connected with the connecting axle, the inside at the through-hole is all fixed pegging graft in the both ends of connecting axle, first bolt fixed mounting is in the inside of fixed orifices.

As a preferred scheme of the utility model, second tensioning subassembly is including installing in the solid fixed ring of second of triangle dish opposite side, the solid fixed ring's of second inside fixed mounting has the torsional spring, the solid fixed ring's of second inside fixed mounting has the apron, the connecting hole has been seted up on the surface of apron.

As a preferred scheme of the utility model, the runner assembly is including installing in the inside rotation wheel of first solid fixed ring, the inside fixed mounting who rotates the wheel has the second bearing.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a buffering subassembly cooperation protective assembly can carry out duplicate protection to the belt, thereby can make protective structure's protecting effect optimize, when the belt pulley rotates along the take-up pulley, the belt is about to when contacting with the arc inside wall, two gyro wheels can contact with the belt and thereby be taken the rotation by the belt, in order to reduce frictional force, the impact force that produces when belt and gyro wheel contact simultaneously can strike the strip shaped plate, and the strip shaped plate cooperates triangle dish compression spring, makes the spring cushion the impact force, compare the clearance frictional force of gyro wheel in prior art "a belt tensioner", the utility model discloses a mutual cooperation of gyro wheel and spring can reach the duplicate protection to the belt, consequently can reduce frictional force and impact force effectively, and then make protective assembly's performance optimize;

2. the utility model discloses can also make the tensioning ware normally work under the condition that does not use lubricating oil simultaneously, when using, the first bearing of take-up pulley inside wall can reduce the frictional force when the belt rotates to make the belt more laborsaving when rotating, can make the torsional spring reduce the frictional force of self when producing the moment of torsion through mutually supporting of rotating wheel and second bearing in addition, consequently can make the effect of tensioning ware when not using lubricating oil the same, consequently can reduce use cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is an exploded view of the overall structure of the present invention;

FIG. 4 is a schematic structural view of the cushion assembly of the present invention;

fig. 5 is an exploded view of the protection assembly structure of the present invention.

In the figure: 1. a device body; 11. a triangular plate; 12. a connecting plate; 13. a first screw hole; 14. a first retaining ring; 15. a buffer assembly; 111. a second screw hole; 151. a spring; 152. a screw block; 2. a tension assembly; 21. a tension wheel; 22. a first bearing; 23. a limiting groove; 24. a first bolt; 3. a guard assembly; 31. a strip plate; 32. an arc-shaped plate; 33. a protection plate; 34. a roller; 311. a third screw hole; 321. fixing grooves; 322. a through hole; 331. a fixing hole; 341. a connecting shaft; 4. a second tensioning assembly; 41. a second retaining ring; 42. a torsion spring; 43. a cover plate; 44. connecting holes; 5. a rotating assembly; 51. a rotating wheel; 52. a second bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a belt tensioner for an automobile generator comprises a device body 1, wherein a first tensioning assembly 2 is detachably mounted at one end of the device body 1, a protection assembly 3 is movably connected to the side surface of the first tensioning assembly 2, and a second tensioning assembly 4 and a rotating assembly 5 are respectively mounted on two sides of the device body 1;

device body 1 includes triangle dish 11, and one side fixed surface of triangle dish 11 is connected with connecting plate 12, and first screw 13 has been seted up to the one end of connecting plate 12, and the other end fixed mounting of connecting plate 12 has first solid fixed ring 14, and the one end of triangle dish 11 can be dismantled and be connected with buffering subassembly 15.

Specifically, the belt and the protection component 3 can be isolated by matching the device body 1 with the protection component 3, so that the protection component 3 and the belt are prevented from being damaged due to mutual friction, the service life is prolonged, in addition, the friction force and the torque generated when the belt rotates and the tensioner is tensioned can be reduced through the first tensioning component 2, the second tensioning component 4 and the rotating component 5, so that the performance of the tensioner can be enhanced under the condition that lubricating oil is not used, the use cost is reduced, the triangular disc 11 is used for connecting the tensioner with a generator, the connecting plate 12 is used for fixing the second tensioning component 4 and the rotating component 5, the buffering component 15 is used for matching the protection component 3 to buffer the friction force and the impact force respectively, the influence degree of the belt is reduced, and the service life of the belt is prolonged.

In this embodiment: two second screw holes 111 have been seted up to the one end of triangle dish 11, and the equal movable mounting in inside of two second screw holes 111 has spring 151, and the equal fixed mounting in both ends of spring 151 has spiral shell piece 152, and one of them spiral shell piece 152 bolted connection is in the inside of second screw hole 111.

Specifically, can carry out threaded connection to spiral shell piece 152 through second screw 111, cooperation protection component 3 can protect the belt, and threaded connection's spiral shell piece 152 can be convenient for dismantle the change to buffering subassembly 15 simultaneously, and it is convenient for the user to provide.

In this embodiment: the first tensioning assembly 2 comprises a tensioning wheel 21, a first bearing 22 is fixedly mounted on the inner side wall of the tensioning wheel 21, a limiting groove 23 is formed in the side surface of the tensioning wheel 21, and a first bolt 24 is in threaded connection with the first bearing 22 and the first screw hole 13.

Specifically, when winding the belt around the belt pulley on tensioning wheel 21 side surface, spacing groove 23 can carry on spacingly to the belt, avoids the belt to drop, and first bearing 22 is used for reducing frictional force when tensioning wheel 21 rotates to strengthen the performance of tensioning ware, can carry out threaded connection with first bearing 22 and connecting plate 12 through first bolt 24.

In this embodiment: protection component 3 includes strip shaped plate 31, and one side fixed surface of strip shaped plate 31 installs guard plate 33, and the fixed surface of guard plate 33 installs arc 32, and the both ends of arc 32 all rotate and are connected with gyro wheel 34.

Specifically, through can be with bar shaped plate 31 and buffer module 15 threaded connection with spiral shell piece 152, guard plate 33 cooperation arc 32 is used for protecting the belt, when the belt is lax, can contact with gyro wheel 34 to make gyro wheel 34 along with the belt rotates, and then avoid arc 33 to cause wearing and tearing to the belt.

In this embodiment: two third screw holes 311 are formed in the surface of one side of the strip-shaped plate 31, and screw blocks 152 are connected to the inner portions of the two third screw holes 311 through threads.

Specifically, through can be connected buffering subassembly 15 and triangular dish 11 and strip shaped plate 31 with spiral shell piece 152 threaded connection inside third screw 311, spring 151 can cushion impact force when the belt receives the impact force, and cooperation gyro wheel 34 can protect the belt, reduces the degree of wear of belt, increase of service life.

In this embodiment: fixed slot 321 has all been seted up at the both ends of arc 33, and gyro wheel 34 rotates the inside of connecting at fixed slot 321, and through-hole 322 has all been seted up to the both sides of fixed slot 321, and fixed orifices 331 have been seted up on the surface of guard plate 33, and gyro wheel 34's inside is rotated and is connected with connecting axle 341, and the both ends of connecting axle 341 are all fixed pegging graft in the inside of through-hole 322, and first bolt 24 fixed mounting is in the inside of fixed orifices 331.

Specifically, the connecting shaft 341 is inserted into the through hole 322, so that the belt can drive the roller 34 to rotate when contacting the roller 34, thereby reducing friction force, and the first bolt 24 is fixed inside the fixing hole 331 to fix the protection plate 33.

In this embodiment: the second tensioning assembly 4 comprises a second fixing ring 41 mounted on the other side of the triangular disc 11, a torsion spring 42 is fixedly mounted inside the second fixing ring 41, a cover plate 43 is fixedly mounted inside the second fixing ring 41, and a connecting hole 44 is formed in the surface of the cover plate 43.

Specifically, when the belt is loosened, the torsion spring 42 is stressed to stretch and rotate, so that torque can be generated, the belt is in a tightening state again, the belt is prevented from falling off, and the cover plate 43 is matched with the connecting hole 44 to connect the tensioner with the generator.

In this embodiment: the rotating assembly 5 includes a rotating wheel 51 mounted inside the first fixed ring 14, and a second bearing 52 is fixedly mounted inside the rotating wheel 51.

Specifically, the friction force of the tensioner during operation can be reduced by the second bearing 52 cooperating with the rotating wheel 51, and the performance of the tensioner can be enhanced by the first bearing 22, and the use cost can be reduced.

The working principle is as follows: when using, the utility model discloses when using, wind the belt pulley in the side surface of take-up pulley 21 around the belt pulley, the spacing groove 23 of take-up pulley 21 side surface can be spacing to the belt, can make the belt rotate under first bearing 22's effect and roll and make more laborsaving, when the belt is lax, take-up pulley 21 skew makes torsional spring 42 rotate and produces the moment of torsion, thereby make the belt tighten, simultaneously the frictional force when the cooperation second bearing 52 of swivel wheel 51 can reduce torsional spring 42 rotational speed, and can contact with two gyro wheels 34 when the belt is lax, gyro wheel 34 rotates along with the belt and thereby avoid the belt to contact with the inside wall of arc 32 and cause frictional damage, gyro wheel 34 transmits the impact force that the belt produced for arc 33 when the belt contacts gyro wheel 34, arc 33 transmits the impact force for spring 151, spring 151 cushions the impact force, cooperation gyro wheel 34 can reduce frictional force and the influence of impact force to the belt, consequently can make the belt normally work, can strengthen the function of tensioning ware and reduce frictional force through above operation simultaneously, the life of extension belt.

It is noted that, herein, relational terms such as first and second, and the like may 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. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automobile generator belt tensioner, comprising a device body (1), characterized in that: a first tensioning assembly (2) is detachably mounted at one end of the device body (1), a protection assembly (3) is movably connected to the side surface of the first tensioning assembly (2), and a second tensioning assembly (4) and a rotating assembly (5) are respectively mounted on two sides of the device body (1);

the device body (1) comprises a triangular disc (11), a connecting plate (12) is fixedly connected to the surface of one side of the triangular disc (11), a first screw hole (13) is formed in one end of the connecting plate (12), a first fixing ring (14) is fixedly mounted at the other end of the connecting plate (12), and a buffering assembly (15) is detachably connected to one end of the triangular disc (11).

2. The automotive generator belt tensioner as claimed in claim 1, wherein: two second screw holes (111) have been seted up to the one end of triangle dish (11), two the equal movable mounting in inside of second screw hole (111) has spring (151), the equal fixed mounting in both ends of spring (151) has spiral shell piece (152), one of them spiral shell piece (152) bolted connection is in the inside of second screw hole (111).

3. An automotive generator belt tensioner as claimed in claim 1, characterized in that: the first tensioning assembly (2) comprises a tensioning wheel (21), a first bearing (22) is fixedly mounted on the inner side wall of the tensioning wheel (21), a limiting groove (23) is formed in the side surface of the tensioning wheel (21), and a first bolt (24) is in threaded connection with the first bearing (22) and the first screw hole (13).

4. A vehicle generator belt tensioner as claimed in claim 3, wherein: protection component (3) include strip shaped plate (31), one side fixed surface of strip shaped plate (31) installs guard plate (33), the fixed surface of guard plate (33) installs arc (32), the both ends of arc (32) are all rotated and are connected with gyro wheel (34).

5. The automotive generator belt tensioner as claimed in claim 4, wherein: two third screw holes (311) are formed in the surface of one side of the strip-shaped plate (31), and screw blocks (152) are connected to the inner portions of the third screw holes (311) in a threaded mode.

6. The automotive generator belt tensioner as claimed in claim 4, wherein: fixed slot (321) have all been seted up at the both ends of arc (32), gyro wheel (34) rotate to be connected in the inside of fixed slot (321), through-hole (322) have all been seted up to the both sides of fixed slot (321), fixed orifices (331) have been seted up on the surface of guard plate (33), the inside rotation of gyro wheel (34) is connected with connecting axle (341), the both ends of connecting axle (341) are all fixed the inside of pegging graft at through-hole (322), first bolt (24) fixed mounting is in the inside of fixed orifices (331).

7. The automotive generator belt tensioner as claimed in claim 1, wherein: second tensioning subassembly (4) including installing in the solid fixed ring of second (41) of triangle dish (11) opposite side, the inside fixed mounting of the solid fixed ring of second (41) has torsional spring (42), the inside fixed mounting of the solid fixed ring of second (41) has apron (43), connecting hole (44) have been seted up on the surface of apron (43).

8. An automotive generator belt tensioner as claimed in claim 1, characterized in that: the rotating assembly (5) comprises a rotating wheel (51) installed inside the first fixing ring (14), and a second bearing (52) is fixedly installed inside the rotating wheel (51).