CN212529955U - Motorcycle chain tensioner - Google Patents
Motorcycle chain tensioner Download PDFInfo
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- CN212529955U CN212529955U CN202020825682.0U CN202020825682U CN212529955U CN 212529955 U CN212529955 U CN 212529955U CN 202020825682 U CN202020825682 U CN 202020825682U CN 212529955 U CN212529955 U CN 212529955U
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- chain
- tensioner
- ejector pin
- pressure sensor
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Abstract
The utility model relates to a motorcycle chain tensioning ware belongs to automobile-used chain technical field. Including tensioning ware base, flat spiral spring, special double-screw bolt, interior spiral ejector pin, the key hole, pressure sensor, screw fixing hole, the fastener is received in the sensing, the utility model discloses a including spiral ejector pin top installation pressure sensor, through the elasticity of pressure sensor accurate measurement chain, and through flat spiral spring bending deformation energy storage, thereby release energy pushes up interior spiral ejector pin when the chain is lax and support the tensioning with the chain, pressure sensor continues to detect pressure this moment, when pressure reaches the default, transmit pressure signal for the sensing and receive the fastener, the sensing is received the fastener and is tightened up, prevent interior spiral ejector pin further to push up, thereby guarantee that the chain is in best elasticity state, realized the accurate control to the chain elasticity, wide application prospect has.
Description
Technical Field
The utility model relates to a motorcycle chain tensioning ware belongs to automobile-used chain technical field.
Background
The running stability of the chain, which is one of the key functional components of motorcycle running power transmission, affects the service life of the chain in addition to the direct relation to the power transmission performance, running comfort and safety of the motorcycle. The chain runs in severe environments such as impact, vibration, sand and dust and the like, and is very easy to loosen and generate a large dynamic load, so that the chain fails in advance. In the design of power transmission chain running mechanisms of middle and high-grade motorcycles, a common method for overcoming the problems and improving the running stability is to configure an automatic chain tensioner, and ensure that the running tension of the chain is within a design specified range in the power transmission process through the automatic tensioning of the tensioner, so that the power transmission performance and the transmission stability are improved. However, in the domestic motorcycle industry, the performance difference of the automatic tensioner for the power chain is large, and the test on the looseness of the chain is not accurate, so that the tensioning is not timely, and the use of the chain is still influenced.
In view of the above-mentioned drawbacks, the present designer has made active research and innovation to create a chain tensioner for motorcycles that has industrial application value.
Disclosure of Invention
In order to solve the technical problem, the utility model aims to provide a motorcycle chain tensioner.
The utility model discloses an including spiral ejector pin top installation pressure sensor, through the elasticity of pressure sensor precision measurement chain, and through plane spiral spring bending deformation energy storage, thereby release energy pushes up the interior spiral ejector pin when the chain is lax and supports the tensioning with the chain, pressure sensor continues to detect pressure this moment, when pressure reaches the default, give pressure signal transmission and receive the fastener, the fastener is received in the sensing and is tightened up, prevent interior spiral ejector pin further to push up, thereby guarantee that the chain is in best elasticity state, the accurate control to the chain elasticity has been realized.
A motorcycle chain tensioner comprises a tensioner base, wherein the tensioner base is of a hollow cavity structure, a plane volute spring is installed inside a cavity of the tensioner base, a special stud is installed in a counter bore inside the tensioner base, a key hole for rotating the special stud is formed in the bottom of the tensioner base, a through hole is formed in the upper portion of the cavity of the tensioner base, an inner spiral ejector rod connected with the special stud is installed in the through hole, a pressure sensor is installed at the top end of the inner spiral ejector rod, and a sensing receiving fastener is further installed in the inner cavity of the tensioner base.
Furthermore, one end of the plane spiral spring is connected with the inner cavity of the tensioner base, and the other end of the plane spiral spring is connected with the special stud.
Furthermore, the surface of the special stud is provided with an external thread, and the inner wall of the inner spiral ejector rod is provided with an internal thread matched with the external thread of the special stud.
Furthermore, screw fixing holes are symmetrically formed in two sides of the tensioner base.
Furthermore, the sensing receiving fastener is of a circular ring-shaped structure, is sleeved on the surface of the special stud and is fixedly connected with the bottom surface of the inner cavity of the tensioner base.
By the scheme, the invention at least has the following advantages:
the utility model discloses an including spiral ejector pin top installation pressure sensor, through the elasticity of pressure sensor precision measurement chain, and through plane spiral spring bending deformation energy storage, thereby release energy pushes up the interior spiral ejector pin when the chain is lax and supports the tensioning with the chain, pressure sensor continues to detect pressure this moment, when pressure reaches the default, give pressure signal transmission and receive the fastener, the fastener is received in the sensing and is tightened up, prevent interior spiral ejector pin further to push up, thereby guarantee that the chain is in best elasticity state, the accurate control to the chain elasticity has been realized.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a front view of a motorcycle chain tensioner of the present invention;
FIG. 2 is a top view of the motorcycle chain tensioner of the present invention;
wherein, in the figure, 1, a tensioner base; 2. a flat spiral spring; 3. a special stud; 4. an internal spiral ejector rod; 5. a key hole; 6. a pressure sensor; 7. a screw fixing hole; 8. a fastener is received by the sensor.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, a motorcycle chain tensioner according to a preferred embodiment of the present invention comprises a tensioner base 1, the tensioner base 1 is a hollow cavity structure, screw fixing holes 7 are symmetrically formed on both sides of the tensioner base 1, a spiral spring 2 is installed inside the cavity of the tensioner base 1, one end of the spiral spring 2 is connected to the inner cavity of the tensioner base 1, the other end of the spiral spring is connected to a special stud 3, the special stud 3 is installed in a counter bore inside the tensioner base 1, a key hole 5 for rotating the special stud 3 is formed at the bottom of the tensioner base 1, a through hole is formed at the upper part of the cavity of the tensioner base 1, an inner screw ejector rod 4 connected to the special stud 3 is installed in the through hole, an outer thread is formed on the surface of the special stud 3, an inner thread matched with the outer thread of the special stud 3 is formed on the inner wall of, a pressure sensor 6 is installed at the top end of the inner spiral ejector rod 4, a sensing receiving fastener 8 is further installed in the inner cavity of the tensioner base 1, and the sensing receiving fastener 8 is of an annular structure and is sleeved on the surface of the special stud 3 and fixedly connected with the bottom surface of the inner cavity of the tensioner base 1.
The utility model discloses an at 4 top installation pressure sensor 6 of interior spiral ejector pin, elasticity through 6 accurate measurement chains of pressure sensor, and through 2 bending deformation stored energy of spiral spring, thereby release energy pushes up interior spiral ejector pin 4 and supports the tensioning with the chain when the chain is lax, pressure sensor 6 continues to detect pressure this moment, when pressure reaches the default, give pressure signal transmission and receive fastener 8 for the sensing, fastener 8 tightens up is received in the sensing, prevent interior spiral ejector pin 4 further to push up, thereby guarantee that the chain is in best elasticity state, the accurate control to the chain elasticity has been realized.
The working principle of the utility model is as follows:
in actual use, the motorcycle to which the chain tensioner is to be installed is checked first to ensure that the chain tensioning degree meets the requirements. Then, adjusting the automatic tensioner, and rotating the special stud 3 by penetrating a key pick through a key hole 5 on the tensioner base 1, wherein the special stud 3 transmits the rotating torque to the flat spiral spring 2 to promote the flat spiral spring 2 to bend and deform and store energy; meanwhile, the inner spiral ejector rod 4 retracts into the cavity of the chain tensioner base 1 under the rotation action, when the inner spiral ejector rod 4 retracts into the chain tensioner to reach the maximum stroke, the key plectrum is taken out, the inner retraction state of the chain tensioner is kept, finally, the chain tensioner is installed and fixed on the frame of the motorcycle by passing a screw through a screw fixing hole 7, so that a pressure sensor 6 at the top end of the inner spiral ejector rod 4 is contacted with a chain tensioning pressing plate, when the motorcycle chain is loosened, the pressure sensor 6 detects that the pressure of the chain tensioning pressing plate on the inner spiral ejector rod 4 of the chain tensioner is small, at the moment, the energy stored by the flat spiral spring 2 is released to drive the special stud 3 to rotate, the inner spiral ejector rod 4 extends out from the cavity of the tensioner base 1, and when the chain tensioning degree is moderate, the pressure sensor 6 transmits a detected pressure signal to a sensing receiving fastener 8, the sensing receiving fastener 8 is tightened to prevent the inner spiral ejector rod 4 from further jacking up, so that the chain is ensured to be in the optimal tightness state.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. Motorcycle chain tensioner comprising a tensioner base (1), characterized in that: tensioner base (1) is the cavity structure of inside hollow, tensioner base (1) cavity internally mounted has flat spiral spring (2), and special double-screw bolt (3) are installed in the inside counter bore of tensioner base (1), tensioner base (1) bottom is equipped with keyhole (5) of rotating special double-screw bolt (3), is equipped with the through-hole on the cavity upper portion of tensioner base (1), installs interior spiral ejector pin (4) of being connected with special double-screw bolt (3) in the through-hole, installs pressure sensor (6) on interior spiral ejector pin (4) top still install sensing and receive fastener (8) in tensioner base (1) inner chamber.
2. A motorcycle chain tensioner according to claim 1, characterised in that: one end of the plane spiral spring (2) is connected with the inner cavity of the tensioner base (1), and the other end of the plane spiral spring is connected with the special stud (3).
3. A motorcycle chain tensioner according to claim 1, characterised in that: the surface of the special stud (3) is provided with an external thread, and the inner wall of the inner spiral ejector rod (4) is provided with an internal thread matched with the external thread of the special stud (3).
4. A motorcycle chain tensioner according to claim 1, characterised in that: screw fixing holes (7) are symmetrically formed in two sides of the tensioner base (1).
5. A motorcycle chain tensioner according to claim 1, characterised in that: the sensing receiving fastener (8) is of a circular ring structure, is sleeved on the surface of the special stud (3), and is fixedly connected with the bottom surface of the inner cavity of the tensioner base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825682.0U CN212529955U (en) | 2020-05-18 | 2020-05-18 | Motorcycle chain tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020825682.0U CN212529955U (en) | 2020-05-18 | 2020-05-18 | Motorcycle chain tensioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212529955U true CN212529955U (en) | 2021-02-12 |
Family
ID=74541659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020825682.0U Active CN212529955U (en) | 2020-05-18 | 2020-05-18 | Motorcycle chain tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212529955U (en) |
-
2020
- 2020-05-18 CN CN202020825682.0U patent/CN212529955U/en active Active
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