Tensioning plate, engine and vehicle

Abstract

The tensioning plate is used for the engine and comprises a support and a guide rail plate, a containing groove is formed in the surface of the support, the guide rail plate is contained in the containing groove, the guide rail plate is in interference fit with the containing groove so that the guide rail plate can be prevented from tilting relative to the support, and the guide rail plate is prevented from tilting relative to the support.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a tensioning plate, an engine and a vehicle. Background Art

[0002] At present, the tensioning plate of the timing chain can play a guiding and tensioning role on the timing belt or timing chain of the engine. The tensioning plate on the market is a structure in which the guide plate and the bracket are manufactured separately. During installation, the guide plate is assembled to the bracket. In the prior art, the guide plate and the bracket are assembled together by matching and plugging. This assembly method makes the guide plate easy to warp up, affecting other parts of the engine. Utility Model Content

[0003] The utility model aims to provide a tensioning plate, an engine and a vehicle, which solve the problem of warping of a guide rail plate.

[0004] In order to achieve the purpose of the utility model, the utility model provides the following technical solutions:

[0005] In a first aspect, the utility model provides a tensioning plate, which is used for an engine and includes: a bracket, a surface of which is provided with a receiving groove; a guide rail plate, which is received in the receiving groove, and the guide rail plate is interference fit with the receiving groove to prevent the guide rail plate from tilting relative to the bracket.

[0006] In one embodiment, the guide rail plate includes a first end and a second end opposite to each other in the length direction of the receiving groove, the first end is interference fit with the receiving groove, and the second end is clearance fit or snap fit with the receiving groove.

[0007] In one embodiment, the bracket includes a body and a first baffle and a second baffle disposed on the body, wherein the first baffle includes a first portion and a second portion disposed along a length direction;

[0008] The receiving groove includes a first section and a second section;

[0009] The first section is at least surrounded by the first portion, the body and the second baffle;

[0010] The second section is at least surrounded by the second portion, the body and the second baffle;

[0011] The first end portion and the first section are interference fit, the second end portion and the second section are clearance fit or snap fit, and the width of the first section is smaller than the width of the second section.

[0012] In one embodiment, a third baffle is provided on the main body, and the third baffle is respectively connected to the first baffle and the second baffle, the second section is at least surrounded by the second part, the main body, the second baffle and the third baffle, the third baffle is opposite to the second end, and a gap is formed between the second end and the third baffle.

[0013] In one embodiment, the first baffle plate and the second baffle plate are provided with a plurality of matching grooves, and the guide rail plate further has a plurality of matching protrusions arranged at intervals, and the plurality of matching grooves correspond to the plurality of matching protrusions one by one and are clearance-matched.

[0014] In one embodiment, a receiving cavity is provided on a side of the main body away from the guide rail plate, the receiving cavity is suitable for partially receiving a tensioner, and an abutment surface for the tensioner to abut is formed at the opening of the receiving cavity, so that the tensioner can tension the chain on the guide rail plate through the main body.

[0015] In one embodiment, the main body has a cylindrical portion extending along a width direction, and a mounting hole penetrating along the width direction is formed on the cylindrical portion, and the width direction is substantially perpendicular to a length direction of the guide rail plate.

[0016] In one embodiment, the bracket is bent and the guide rail plate is arc-shaped.

[0017] In a second aspect, the utility model further provides an engine, comprising a tensioner and a tensioning plate as described in any one of the various embodiments of the first aspect, wherein the tensioner is connected to the tensioning plate.

[0018] In a third aspect, the present invention further provides a vehicle, comprising an engine as described in any one of the various embodiments of the second aspect.

[0019] By setting a bracket and a guide plate, the bracket is provided with a receiving groove on its surface, and the guide plate is received in the receiving groove. The guide plate and the receiving groove are interference fit to prevent the guide plate from tilting relative to the bracket. During the operation of the engine, the interference fit between the guide plate and the receiving groove enables the guide plate to be fixed in the receiving groove, thereby preventing the guide plate from tilting relative to the bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1is a first perspective view of a tension plate structure of an embodiment;

[0022] Figure 2 is a second perspective view of a tension plate structure of an embodiment;

[0023] Figure 3 is a first perspective view of a tension plate assembly of one embodiment;

[0024] Figure 4 FIG. 1 is a second perspective view of a tension plate assembly of an embodiment.

[0025] Description of reference numerals:

[0026] 10-tensioning plate, 11-bracket, 111-body, 112-first baffle, 113-third baffle, 114-second baffle, 115-fourth baffle, 116-first surface, 1161-first bracket groove, 1162-third bracket groove, 1163-fourth bracket groove, 1164-first main protrusion, 117-second surface, 1171-second bracket groove, 1172-second main protrusion, 1173-fifth bracket groove, 1174-sixth bracket groove, 12-accommodating groove, 13-guide plate, 131-first protrusion, 132-first surface, 133-second surface, 134-first side surface, 135-second side surface, 136-third side surface, 137-fourth side surface, 138-first groove, 139-plate body, 14-first abutting portion, 15-matching groove, 16-contact portion, 17-matching protrusion, 18-accommodating cavity, 19-barrel portion, 20-mounting hole, 21-second groove, X-length direction, Y-width direction. DETAILED DESCRIPTION

[0027] 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 of 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.

[0028] It should be noted that when a component is said to be "fixed to" another component, it can be directly on the other component or there can be a central component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there can be a central component at the same time.

[0029] Unless otherwise defined, all technical and scientific terms used in this utility model have the same meaning as those commonly understood by technicians in the technical field of this utility model. The terms used in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used in this utility model includes any and all combinations of one or more related listed items.

[0030] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0031] The utility model embodiment provides a tensioning plate 10, the tensioning plate 10 is used for an engine, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 , including a bracket 11, a receiving groove 12 and a guide rail plate 13.

[0032] The bracket 11 is provided with a receiving groove 12 on its surface. Optionally, the receiving groove 12 can be any one of a polygonal groove, a circular groove and an elliptical groove. Optionally, the receiving groove 12 can be, but is not limited to, a quadrilateral groove, a pentagonal groove, a hexagonal groove, an octagonal groove, a circular groove and an elliptical groove.

[0033] The guide plate 13 is received in the receiving groove 12, and the guide plate 13 and the receiving groove 12 are interference fit to prevent the guide plate 13 from tilting relative to the bracket 11. Optionally, the guide plate 13 abuts against at least part of the wall surface of the receiving groove 12, so that the guide plate 13 and the receiving groove 12 are interference fit.

[0034] By setting the bracket 11 and the guide plate 13, the bracket 11 is provided with a receiving groove 12 on its surface, and the guide plate 13 is received in the receiving groove 12. The guide plate 13 and the receiving groove 12 are interference fit to avoid the guide plate 13 from tilting relative to the bracket 11. During the operation of the engine, the interference fit between the guide plate 13 and the receiving groove 12 makes the guide plate 13 fixed in the receiving groove 12, thereby avoiding the guide plate 13 from tilting relative to the bracket 11.

[0035] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The guide rail plate 13 includes a first end and a second end opposite to each other in the length direction X of the receiving groove 12 , the first end is interference fit with the receiving groove 12 , and the second end is clearance fit or snap fit with the receiving groove 12 .

[0036] Optionally, the sizes of the first end and the second end are not limited. Optionally, the second end is clearance-matched with the receiving groove 12. Optionally, the second end is snap-fitted with the receiving groove 12.

[0037] Specifically, the above arrangement avoids interference between the guide rail plate 13 and other components, and is installed firmly.

[0038] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The bracket 11 includes a main body 111 and a first baffle 112 and a second baffle 114 arranged on the main body 111, the first baffle 112 includes a first part and a second part arranged along the length direction X; the accommodating groove 12 includes a first section and a second section; the first section is at least surrounded by the first section, the main body 111 and the second baffle 114; the second section is at least surrounded by the second section, the main body 111 and the second baffle 114; the first end and the first section are interference fit, the second end and the second section are clearance fit or snap fit, and the width of the first section is smaller than the width of the second section.

[0039] Optionally, the first baffle 112 is opposite to the second baffle 114. Specifically, one end of the first baffle 112 and the second baffle 114 are connected to the body 111 to form an opening, which is opposite to the surface of the body 111. Optionally, the length of the first baffle 112 is the same as the length of the second baffle 114.

[0040] Optionally, the guide plate 13 includes a plate body 139 and a first protrusion 131, a first groove 138 is further provided on the side of the plate body 139, the bottom wall of the first groove 138 is connected to the first protrusion 131, the bracket 11 protrudes the first abutment portion 14 from the inner wall of the first baffle plate 112 facing the accommodating groove 12, the first baffle plate 112 is provided with a second groove 21 near the first abutment portion 14, the side wall of the first groove 138 cooperates with the second groove 21, the first protrusion 131 abuts against the surface of the first baffle plate 112 facing the second baffle plate 114, and the first abutment portion 14 abuts against the first protrusion 131. Optionally, the shape of the first protrusion 131 can be any one of a polygonal protrusion, a circular protrusion and an elliptical protrusion. Optionally, the shape of the first protrusion 131 can be specifically but not limited to a quadrilateral protrusion, a pentagonal protrusion, a hexagonal protrusion, an octagonal protrusion, a circular protrusion and an elliptical protrusion. Optionally, the first protrusion 131 abuts against the inner wall surface of the first baffle 112 to limit the guide plate 13 in the width direction Y of the receiving groove 12. Optionally, the first protrusion 131 is polished. Optionally, the polishing process can be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, etc., so as to prevent the first protrusion 131 from scratching the first abutting portion 14.

[0041] Optionally, the plate body 139 includes a first surface 132 and a second surface 133, the first surface 132 and the second surface 133 are connected at opposite ends of the side surface of the plate body 139, the guide plate 13 cooperates with the receiving groove 12 so that the second surface 133 is in close contact with the surface of the body 111, and the side surface of the plate body 139 also includes a first side surface 134, a second side surface 135, a third side surface 136 and a fourth side surface 137 connected in sequence, the first side surface 134 is opposite to the inner wall surface of the first baffle 112, the first side surface 134 is provided with a first groove 138, and the third side surface 136 is opposite to the inner wall surface of the second baffle 114. Specifically, this cooperation method avoids interference between the bracket 11 and surrounding components, and also avoids noise caused by the collision.

[0042] Specifically, the first surface 132 and the second surface 133 are the thickness of the guide rail plate 13, and the thickness may range from 5 mm to 50 mm. Optionally, the thickness may specifically be, but not limited to, 5 mm, 10 mm, 20 mm, and 50 mm.

[0043] Specifically, chamfers are provided at the connections of the first side surface 134 , the second side surface 135 , the third side surface 136 and the fourth side surface 137 which are connected in sequence for transition.

[0044] Optionally, the length of the first side surface 134 is the same as the length of the third side surface 136, and the length ranges from 50 mm to 1000 mm. Optionally, the length of the first side surface 134 and the length of the third side surface 136 can be, but are not limited to, 50 mm, 100 mm, 150 mm, and 1000 mm.

[0045] Optionally, the first surface 132 and the second surface 133 are polished. Optionally, the polishing process may be fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, etc. Moreover, the first surface 132 and the second surface 133 are polished to make the first surface 132 and the second surface 133 smooth and glossy, which can prevent the first surface 132 and the second surface 133 from scratching other parts during the installation process, and also avoid dangerous situations such as scratching the fingers of the installer.

[0046] Optionally, the first side surface 134 also has a first groove 138, and the bracket 11 protrudes a first abutment portion 14 from the inner wall of the first baffle plate 112 facing the accommodating groove 12. The first baffle plate 112 is provided with a defective portion near the first abutment portion 14, and the first groove 138 cooperates with the defective portion. The first groove 138 is provided with a first protrusion 131, and the first abutment portion 14 abuts against the first protrusion 131.

[0047] Specifically, the first groove 138 is a groove formed on the first side surface 134. Optionally, the first abutting portion 14 protrudes from the inner wall of the first baffle plate 112 toward the receiving groove 12 by a distance of 1 mm to 15 mm. Optionally, the distance by which the first abutting portion 14 protrudes from the inner wall of the first baffle plate 112 toward the receiving groove 12 may be, but is not limited to, 1 mm, 6 mm, 10 mm, 12 mm, 15 mm, etc.

[0048] Optionally, the first abutting portion 14 abuts against the first protrusion 131 to limit the guide rail plate 13 in the thickness direction of the accommodating groove 12 .

[0049] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 A third baffle 113 is provided on the main body 111, and the third baffle 113 is respectively connected to the first baffle 112 and the second baffle 114. The second section is at least surrounded by the second part, the main body 111, the second baffle 114 and the third baffle 113. The third baffle 113 is opposite to the second end, and a gap is formed between the second end and the third baffle 113.

[0050] Optionally, one end of the third baffle 113 is connected to the first baffle 112, and the other end is connected to the second baffle 114. Optionally, a fourth baffle 115 is provided on the body 111, and the fourth baffle 115 is connected to the first baffle 112 and the second baffle 114 respectively, and the fourth baffle 115 is opposite to the third baffle 113.

[0051] Specifically, the above arrangement improves the structure of the body 111 and avoids interference between the guide plate 13 and other components.

[0052] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The first baffle plate 112 and the second baffle plate 114 are provided with a plurality of matching grooves 15, and the guide rail plate 13 further has a plurality of matching protrusions 17 arranged at intervals, and the plurality of matching grooves 15 correspond to the plurality of matching protrusions 17 one by one and are clearance-matched.

[0053] Optionally, the first baffle 112 and the second baffle 114 further protrude a plurality of contact portions 16 from the positions of the plurality of matching grooves 15 toward the receiving groove 12 , and the plurality of contact portions 16 correspond to and abut against the plurality of matching protrusions 17 one by one.

[0054] Optionally, the number of the matching grooves 15 ranges from 2 to 6. Optionally, the number of the matching grooves 15 may be, but is not limited to, 2, 3, 4, and 6. Optionally, the number of the matching protrusions 17 ranges from 2 to 6. Optionally, the number of the matching protrusions 17 may be, but is not limited to, 2, 3, 4, and 6.

[0055] Optionally, the shape of the matching groove 15 is any one of polygonal, circular and elliptical.

[0056] Optionally, the shape of the matching groove 15 may be, but is not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, or the like.

[0057] Optionally, the shape of the mating protrusion 17 can be any one of a polygonal protrusion, a circular protrusion and an elliptical protrusion. Optionally, the shape of the mating protrusion 17 can be, but is not limited to, a quadrilateral protrusion, a pentagonal protrusion, a hexagonal protrusion, an octagonal protrusion, a circular protrusion and an elliptical protrusion.

[0058] Specifically, the above arrangement avoids interference between the guide rail plate 13 and other components, and is installed firmly.

[0059] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 A receiving cavity 18 is provided on one side of the main body 111 away from the guide rail plate 13. The receiving cavity 18 is suitable for partially receiving the tensioner, and an abutting surface for the tensioner to abut is formed at the opening of the receiving cavity 18, so that the tensioner can tension the chain on the guide rail plate 13 through the main body 111.

[0060] Optionally, the tensioner is arranged on the side of the body 111 away from the guide plate 13, and is partially installed in the accommodating chamber 18; the telescopic end of the tensioner abuts against the opening of the accommodating chamber 18, and under the action of hydraulic pressure, the telescopic end applies a force to the body 111, prompting the body 111 to tension the chain on the guide plate 13. A spring is also arranged in the accommodating chamber 18, and the spring abuts against the tensioner to enable the telescopic end of the tensioner to retract.

[0061] Optionally, the first surface 116 is provided with a first bracket groove 1161, the second surface 117 is provided with a second bracket groove 1171, the bottom surface of the first bracket groove 1161 is provided with a first main protrusion 1164, the bottom surface of the second bracket groove 1171 is provided with a second main protrusion 1172, and the first main protrusion 1164 and the second main protrusion 1172 enclose the accommodating cavity 18.

[0062] Optionally, the first surface 116 is any one of a polygon, a circle and an ellipse.

[0063] Optionally, the first surface 116 may be, but is not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, or the like.

[0064] Optionally, the second surface 117 is any one of a polygon, a circle and an ellipse.

[0065] Optionally, the second surface 117 may be, but is not limited to, a quadrilateral, a pentagon, a hexagon, an octagon, a circle, an ellipse, or the like.

[0066] Optionally, the shape of the first bracket groove 1161 is any one of a polygonal groove, a circular groove and an elliptical groove. Optionally, the first bracket groove 1161 can be specifically but not limited to a quadrilateral groove, a pentagonal groove, a hexagonal groove, an octagonal groove, a circular groove and an elliptical groove.

[0067] Optionally, the second bracket slot 1171 is in the shape of a polygonal slot, a circular slot, or an elliptical slot. Optionally, the second bracket slot 1171 may be, but is not limited to, a quadrilateral slot, a pentagonal slot, a hexagonal slot, an octagonal slot, a circular slot, an elliptical slot, or the like.

[0068] Optionally, the shape of the first main protrusion 1164 can be any one of a polygonal protrusion, a circular protrusion and an elliptical protrusion. Optionally, the shape of the first main protrusion 1164 can be, but not limited to, a quadrilateral protrusion, a pentagonal protrusion, a hexagonal protrusion, an octagonal protrusion, a circular protrusion and an elliptical protrusion. Optionally, the shape of the second main protrusion 1172 can be, but not limited to, a quadrilateral protrusion, a pentagonal protrusion, a hexagonal protrusion, an octagonal protrusion, a circular protrusion and an elliptical protrusion. Optionally, the shape of the second main protrusion 1172 can be, but not limited to, a quadrilateral protrusion, a pentagonal protrusion, a hexagonal protrusion, an octagonal protrusion, a circular protrusion and an elliptical protrusion.

[0069] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The main body 111 has a barrel portion 19 extending along the width direction Y. The barrel portion 19 is provided with a mounting hole 20 penetrating along the width direction Y. The width direction Y is substantially perpendicular to the length direction X of the guide rail plate 13.

[0070] Optionally, the body 111 is provided with a barrel portion 19 extending from the first surface 116 to the second surface 117 , and the body 111 is further provided with a mounting hole 20 extending from the first surface 116 to the second surface 117 .

[0071] Optionally, at least a portion of the first bracket groove 1161 surrounds the barrel 19 , and at least a portion of the second bracket groove 1171 surrounds the barrel 19 . The bracket 11 also has a mounting hole 20 extending from the first surface 116 through the barrel 19 to the second surface 117 .

[0072] Optionally, the mounting hole 20 is any one of a polygonal hole, a circular hole and an elliptical hole.

[0073] Optionally, the mounting hole 20 may be, but is not limited to, a quadrilateral hole, a pentagonal hole, a hexagonal hole, an octagonal hole, a circular hole, an elliptical hole, or the like.

[0074] Optionally, the shape of the cylinder 19 is any one of a polygonal cylinder 19 , a circular cylinder 19 and an elliptical cylinder 19 .

[0075] Optionally, the shape of the cylinder 19 may be, but is not limited to, a quadrilateral cylinder 19, a pentagonal cylinder 19, a hexagonal cylinder 19, an octagonal cylinder 19, a circular cylinder 19, an elliptical cylinder 19, or the like.

[0076] Specifically, the above arrangement makes it convenient for the main body 111 to cooperate with other components.

[0077] Optional, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The first surface 116 is also provided with a third bracket groove 1162 and a fourth bracket groove 1163, and the first bracket groove 1161, the third bracket groove 1162 and the fourth bracket groove 1163 are arranged at intervals. The second surface 117 is provided with a fifth bracket groove 1173 and a sixth bracket groove 1174, and the second bracket groove 1171, the fifth bracket groove 1173 and the sixth bracket groove 1174 are arranged at intervals.

[0078] Optionally, the shape of the third bracket groove 1162 is any one of a polygonal groove, a circular groove and an elliptical groove. Optionally, the first bracket groove 1161 can be specifically but not limited to a quadrilateral groove, a pentagonal groove, a hexagonal groove, an octagonal groove, a circular groove and an elliptical groove.

[0079] Optionally, the shape of the fourth bracket groove 1163 is any one of a polygonal groove, a circular groove and an elliptical groove. Optionally, the fourth bracket groove 1163 can be, but is not limited to, a quadrilateral groove, a pentagonal groove, a hexagonal groove, an octagonal groove, a circular groove and an elliptical groove. Optionally, the shape of the fifth bracket groove 1173 and the sixth bracket groove 1174 is any one of a polygonal groove, a circular groove and an elliptical groove.

[0080] Specifically, the above arrangement improves the structure of the bracket 11, avoids interference with other components, and facilitates coordination with other components.

[0081] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The bracket 11 is bent and the guide rail plate 13 is arc-shaped.

[0082] Optionally, the bracket 11 is bent at an arc ranging from 1 degree to 50 degrees. Optionally, the guide plate 13 is bent at an arc ranging from 1 degree to 50 degrees.

[0083] Specifically, the above arrangement allows the shapes of the bracket 11 and the guide rail plate 13 to be flexible, thereby being adaptable to a variety of matching parts of different shapes and matching forms.

[0084] The embodiment of the utility model further provides an engine, comprising a tensioner and the aforementioned tensioning plate 10 , wherein the tensioner is connected to the tensioning plate 10 .

[0085] Optionally, the engine can be a one-cylinder engine, a three-cylinder engine, a four-cylinder engine, a six-cylinder engine, a twelve-cylinder engine, etc., without limitation. Optionally, the engine also includes a cylinder body and a chain, etc. Specifically, one end of the tensioning plate 10 is rotatably connected to the cylinder body of the engine, and the other end is supported by a tensioner. The tensioner can control the tensioning plate 10 to rotate freely. The lower end of the tensioning plate 10 is rotatably connected to the cylinder body. The tensioner can provide effective tensioning force for the tensioning plate 10 to ensure that the chain has appropriate tensioning force during operation, so that it can operate stably.

[0086] An embodiment of the utility model further provides a vehicle, comprising the engine as described above.

[0087] Optionally, the vehicle can be divided into a micro car, a light car, a mid-size car and a high-end car according to the displacement of the engine, and the vehicles all have an engine including the above-mentioned embodiment.

[0088] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship of terms such as "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" are based on the orientation or positional relationship of the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0089] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the present invention still fall within the scope covered by the present invention.

Claims

1. A tensioning plate, characterized in that: The tensioning plate is used for an engine, comprising: The bracket has a receiving groove on its surface; The guide rail plate is received in the receiving groove, and the guide rail plate and the receiving groove are interference fit to prevent the guide rail plate from tilting relative to the bracket.

2. The tensioning plate according to claim 1, characterized in that The guide rail plate comprises a first end and a second end opposite to each other in the length direction of the receiving groove, the first end is interference fit with the receiving groove, and the second end is clearance fit or snap fit with the receiving groove.

3. The tensioning plate according to claim 2, characterized in that The bracket includes a body and a first baffle and a second baffle arranged on the body, wherein the first baffle includes a first part and a second part arranged along a length direction; The receiving groove includes a first section and a second section; The first section is at least surrounded by the first portion, the body and the second baffle; The second section is at least surrounded by the second portion, the body and the second baffle; The first end portion and the first section are interference fit, the second end portion and the second section are clearance fit or snap fit, and the width of the first section is smaller than the width of the second section.

4. The tensioning plate according to claim 3, characterized in that A third baffle is provided on the main body, and the third baffle is respectively connected to the first baffle and the second baffle. The second section is at least surrounded by the second part, the main body, the second baffle and the third baffle. The third baffle is opposite to the second end, and a gap is formed between the second end and the third baffle.

5. The tensioning plate according to claim 4, characterized in that The first baffle plate and the second baffle plate are provided with a plurality of matching grooves, and the guide rail plate further has a plurality of matching protrusions arranged at intervals, and the plurality of matching grooves correspond to the plurality of matching protrusions one by one and are clearance-matched.

6. The tensioning plate according to claim 3, characterized in that A receiving cavity is provided on one side of the body away from the guide rail plate. The receiving cavity is suitable for partially receiving the tensioner, and an abutting surface for the tensioner to abut is formed at the opening of the receiving cavity, so that the tensioner can tension the chain on the guide rail plate through the body.

7. The tensioning plate according to claim 6, characterized in that The main body has a cylindrical portion extending along a width direction, and a mounting hole penetrating along the width direction is provided on the cylindrical portion. The width direction is substantially perpendicular to a length direction of the guide rail plate.

8. The tensioning plate according to claim 1, characterized in that The bracket is bent, and the guide rail plate is arc-shaped.

9. An engine, characterized in that: The invention comprises a tensioner and the tensioning plate according to any one of claims 1 to 8, wherein the tensioner is connected to the tensioning plate.

10. A vehicle, characterized in that: Comprising the engine as claimed in claim 9.

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