CN215763103U

CN215763103U - High-safety engine tension wheel

Info

Publication number: CN215763103U
Application number: CN202122170637.3U
Authority: CN
Inventors: 王寿金
Original assignee: Wenzhou Ouchai Technology Co ltd
Current assignee: Wenzhou Ouchai Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-08
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a high-safety engine tension wheel in the field of tension wheels, which comprises a protective shell, wherein a first supporting plate is arranged on the front surface of the protective shell, two screw plates are fixedly connected to the outer surface of the first supporting plate, a first bolt is in threaded connection with the inner wall of each screw plate, a first nut is in threaded connection with the outer surface of each first bolt, a second bolt is arranged inside the first supporting plate, a fixed column is arranged on the front surface of the first supporting plate, a first limiting plate is fixedly connected to the outer surface of the fixed column, a second fixing plate is clamped to the outer surface of the fixed column, a second limiting plate is fixedly connected to the outer surface of the second fixing plate, the protective shell can be matched with an air vent and a radiating fan to realize the tension protection effect, the tension wheel can be effectively protected from damaging an engine transmission belt, and when the tension wheel is used for tensioning the engine transmission belt, the problem of overheating of the tension wheel is caused by the fact that the tension wheel swings too fast due to the fact that the transmission belt of the engine is remotely transmitted at a high speed.

Description

High-safety engine tension wheel

Technical Field

The utility model relates to the field of tension wheels, in particular to a high-safety engine tension wheel.

Background

The tension wheel mainly comprises a fixed shell, a tension arm, a wheel body, a torsion spring, a rolling bearing, a spring shaft sleeve and the like, can automatically adjust the tension force according to different tightness degrees of the belt, enables a transmission system to be stable, safe and reliable, is a quick-wear part of parts such as an automobile and the like, is easy to extend after a long time, can automatically adjust the tension of the belt by some tension wheels, is more stable in running and has low noise, but also can prevent slipping, the tension pulley is used for adjusting the tightness of the timing belt and is generally replaced together with the timing belt so as to avoid worries about afterthought, other parts do not need to be replaced, the maintenance is only needed periodically, and the tensioning wheel needs a certain torque in order to keep proper belt tensioning force in the actual use process, avoid belt slipping and compensate elongation caused by belt abrasion and aging.

When the existing agricultural mechanical engine tensioning wheel is used for tensioning the engine transmission belt, due to the high-speed running of the engine transmission belt, the tensioning wheel is unstable in connection caused by the fact that the tensioning wheel is excessively strong in pressure, and the tensioning wheel can be damaged to cause the tensioning wheel not to normally tension the engine transmission belt. Therefore, the high-safety engine tension wheel is provided by the technical personnel in the field to solve the problems in the background technology.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-safety engine tension wheel to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

including the protecting crust, first backup pad has been placed in the front of protecting crust, two fixed plates of the external fixed surface of first backup pad are connected with, every the equal threaded connection of inner wall of fixed plate has first bolt, every the equal threaded connection of surface of first bolt has first nut, the second bolt has been placed to the inside of first backup pad, the fixed column has been placed in the front of first backup pad, the external fixed surface of fixed column is connected with first limiting plate, the external surface joint of fixed column has the second fixed plate, the external fixed surface of second fixed plate is connected with the second limiting plate, the barrier plate has been placed in the front of fixed column.

As a still further scheme of the utility model: every the one end that first bolt is close to the fixed plate all runs through the fixed plate and extends to the outside of protecting crust, the one end that the second bolt is close to first backup pad runs through first backup pad and extends to the inside of fixed column, the surface of second bolt contacts with the inner wall of first backup pad, the inner wall threaded connection of barrier plate has the double-screw bolt, the one end that the double-screw bolt is close to the barrier plate runs through the barrier plate and extends to the inside of fixed column, the inner wall threaded connection of second fixed plate has the third bolt, the surface threaded connection of third bolt has the bearing, the one end that the third bolt is close to the bearing runs through the bearing and extends to the outside of second fixed plate, the surface threaded connection of third bolt has the second nut.

As a still further scheme of the utility model: an anti-collision plate is placed in the protective shell, and the outer surface of the anti-collision plate is fixedly connected with the inner wall of the protective shell.

As a still further scheme of the utility model: the outer surface of the stud is in threaded connection with a stop ring, and the back of the stop ring is in contact with the front of the stop plate.

As a still further scheme of the utility model: the heat dissipation fan has been placed to the inside of protective housing, the left surface of heat dissipation fan and the inside wall fixed connection of protective housing.

As a still further scheme of the utility model: the outer surface of the bearing is fixedly connected with an anti-skid ring, and the inner wall of the anti-skid ring is fixedly connected with the outer surface of the bearing.

As a still further scheme of the utility model: the outer surface of the protective shell is provided with an air vent, the back of the blocking plate is fixedly connected with an anti-slip ring, and the back of the anti-slip ring is in contact with the front of the fixed column.

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

1. according to the utility model, the protection shell can be matched with the vent hole and the heat dissipation fan to protect the tension pulley, so that the tension pulley can be effectively protected from being damaged when the tension pulley greatly shakes the engine transmission belt, and the problem that the tension pulley is overheated due to too fast swinging of the tension pulley caused by high-speed remote transduction of the engine transmission belt when the tension pulley tightly presses the engine transmission belt is avoided.

2. According to the utility model, the first supporting plate is arranged and can be matched with the fixing column and the second bolt to realize the function of adjusting the tension pulley, so that when the tension pulley is used for tensioning the engine transmission belt, the engine transmission belt cannot normally move when the tension pulley is excessively fastened, and when the engine transmission belt is excessively loosened, the tension pulley cannot tension the engine transmission belt, so that the problem that the tension pulley cannot normally play a role in use because the tension pulley cannot be adjusted when being fixed on an engine is solved.

Drawings

FIG. 1 is a schematic three-dimensional structure of a protective shell according to the present invention;

FIG. 2 is a cross-sectional view of a perspective elevation of a protective shell of the present invention;

FIG. 3 is a three-dimensional schematic structural view of a fixing post according to the present invention;

fig. 4 is a schematic perspective view of the bearing of the present invention.

In the figure: 1. a protective shell; 2. a stud; 3. an anti-slip ring; 4. a blocking plate; 5. an anti-slip ring; 6. a vent hole; 7. an anti-collision plate; 8. a screw plate; 9. a first bolt; 10. a first support plate; 11. a heat dissipation fan; 12. a first nut; 13. a first limit plate; 14. fixing a column; 15. a second fixing plate; 16. a blocking ring; 17. a second limiting plate; 18. a second bolt; 19. a second nut; 20. a bearing; 21. and a third bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the utility model, the high-safety engine tension pulley includes a protective shell 1, a first support plate 10 is placed on the front surface of the protective shell 1, two screw plates 8 are fixedly connected to the outer surface of the first support plate 10, a first bolt 9 is in threaded connection with the inner wall of each screw plate 8, a first nut 12 is in threaded connection with the outer surface of each first bolt 9, a second bolt 18 is placed inside the first support plate 10, a fixed column 14 is placed on the front surface of the first support plate 10, a first limiting plate 13 is fixedly connected to the outer surface of the fixed column 14, a second fixed plate 15 is clamped to the outer surface of the fixed column 14, a second limiting plate 17 is fixedly connected to the outer surface of the second fixed plate 15, and a blocking plate 4 is placed on the front surface of the fixed column 14.

Wherein, one end of each first bolt 9 close to the screw plate 8 penetrates through the screw plate 8 and extends to the outer side of the protective shell 1, one end of each second bolt 18 close to the first support plate 10 penetrates through the first support plate 10 and extends to the inside of the fixed column 14, the outer surface of each second bolt 18 contacts with the inner wall of the first support plate 10, the inner wall of each barrier plate 4 is in threaded connection with a stud 2, one end of each stud 2 close to each barrier plate 4 penetrates through the barrier plate 4 and extends to the inside of the fixed column 14, the inner wall of each second fixing plate 15 is in threaded connection with a third bolt 21, the outer surface of each third bolt 21 is in threaded connection with a bearing 20, one end of each third bolt 21 close to each bearing 20 penetrates through each bearing 20 and extends to the outer side of the second fixing plate 15, the outer surface of each third bolt 21 is in threaded connection with a second nut 19, and the tensioning effect on the engine transmission belt is realized through the studs 2, the third bolts 21, the bearings 20 and the second nuts 19, play and prevent that the too high function of engine drive belt from causing the tearing effect of drive belt, crashproof board 7 has been placed to the inside of protecting crust 1, the surface of crashproof board 7 and the inner wall fixed connection of protecting crust 1, through crashproof board 7, the effect that leads to second fixed plate 15 to strike protecting crust 1 when realizing preventing that second fixed plate 15 from rocking, play and reduce second fixed plate 15 and cause the effect of injury to protecting crust 1, the surface threaded connection of double-screw bolt 2 has barrier ring 16, barrier ring 16's the back contacts with the front of barrier plate 4, through barrier ring 16, realize the effect that stops, play and prevent the effect that second fixed plate 15 and barrier plate 4 dropped.

Wherein, heat dissipation fan 11 has been placed to the inside of protecting crust 1, the left surface of heat dissipation fan 11 and the inside wall fixed connection of protecting crust 1, through heat dissipation fan 11, realize carrying out radiating effect in the protecting crust 1, play the effect to the high temperature in the protecting crust 1, bearing 20's external fixed surface is connected with antiskid ring 3, antiskid ring 3's inner wall and bearing 20's external fixed surface are connected, through antiskid ring 3, realize skid-proof effect, play the effect that prevents bearing 20 and engine drive belt and drop, air vent 6 has been seted up to protecting crust 1 surface, the back fixedly connected with antiskid ring 5 of barrier plate 4, the back of antiskid ring 5 contacts with the front of fixed column 14, through antiskid ring 5, realize the effect to barrier plate 4 antiskid, avoid tight wheel that rises to cause the problem that barrier plate 4 drops when the function.

The working principle of the utility model is as follows: when the engine transmission belt needs to be tensioned, the second fixing plate 15 is firstly placed into the protective shell 1, the fixing column 14 is sleeved inside the second fixing plate 15, the second fixing plate 15 is blocked by a large-amplitude pendulum bob through the fixing column 14 and the second limiting plate 17 when the second fixing plate 15 operates, the stud 2 is clockwise rotated into the blocking plate 4, the stud 2 and the blocking plate 4 are clockwise rotated into the fixing column 14, then the blocking ring 16 is clockwise rotated onto the stud 2 to limit the shaking of the second fixing plate 15, the first bolt 9 is clockwise rotated into the screw plate 8 and the protective shell 1, the first nut 12 is clockwise rotated onto the first bolt 9, the first supporting plate 10 is connected through the screw plate 8 for fixing, the second bolt 18 is inserted into the fixing column 14 through the first supporting plate 10 for clockwise rotation, the fixing column 14 is fixed, the tension wheel is protected and prevented from shaking greatly through the screw plate 8 and the protective shell 1, the third bolt 21 is rotated clockwise into the bearing 20 and is inserted into the back of the second fixing plate 15, the second nut 19 is rotated onto the third bolt 21, the antiskid ring 3 is placed on an engine conveying belt, and the conveying belt is tensioned.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. High safe type engine tight pulley that rises, including protecting crust (1), its characterized in that: first backup pad (10) have been placed in the front of protective housing (1), two spiral shell boards (8) of the surface fixedly connected with of first backup pad (10), every the equal threaded connection of inner wall of spiral shell board (8) has first bolt (9), every the equal threaded connection of surface of first bolt (9) has first nut (12), second bolt (18) have been placed to the inside of first backup pad (10), fixed column (14) have been placed in the front of first backup pad (10), the surface fixedly connected with of fixed column (14) has first limiting plate (13), the surface joint of fixed column (14) has second fixed plate (15), the surface fixedly connected with second limiting plate (17) of second fixed plate (15), barrier plate (4) have been placed in the front of fixed column (14).

2. The high safety engine tensioner as claimed in claim 1, wherein: one end, close to the screw plate (8), of each first bolt (9) penetrates through the screw plate (8) and extends to the outer side of the protective shell (1), one end, close to the first supporting plate (10), of each second bolt (18) penetrates through the first supporting plate (10) and extends to the inside of the fixed column (14), the outer surface of each second bolt (18) is in contact with the inner wall of the first supporting plate (10), the inner wall of the blocking plate (4) is in threaded connection with a stud (2), one end, close to the blocking plate (4), of each stud (2) penetrates through the blocking plate (4) and extends to the inside of the fixed column (14), the inner wall of the second fixing plate (15) is in threaded connection with a third bolt (21), the outer surface of the third bolt (21) is in threaded connection with a bearing (20), one end, close to the bearing (20), of each third bolt (21) penetrates through the bearing (20) and extends to the outer side of the second fixing plate (15), and a second nut (19) is connected to the outer surface of the third bolt (21) in a threaded manner.

3. The high safety engine tensioner as claimed in claim 1, wherein: an anti-collision plate (7) is placed in the protective shell (1), and the outer surface of the anti-collision plate (7) is fixedly connected with the inner wall of the protective shell (1).

4. The high safety engine tensioner as claimed in claim 2, wherein: the outer surface of the stud (2) is in threaded connection with a stop ring (16), and the back surface of the stop ring (16) is in contact with the front surface of the stop plate (4).

5. The high safety engine tensioner as claimed in claim 1, wherein: heat dissipation fan (11) have been placed to the inside of protecting crust (1), the left surface of heat dissipation fan (11) and the inside wall fixed connection of protecting crust (1).

6. The high safety engine tensioner as claimed in claim 2, wherein: the outer surface of the bearing (20) is fixedly connected with an anti-skidding ring (3), and the inner wall of the anti-skidding ring (3) is fixedly connected with the outer surface of the bearing (20).

7. The high safety engine tensioner as claimed in claim 1, wherein: the outer surface of the protective shell (1) is provided with a vent hole (6), the back surface of the blocking plate (4) is fixedly connected with an anti-slip ring (5), and the back surface of the anti-slip ring (5) is in contact with the front surface of the fixing column (14).