CN210566066U - Transmission chain tension adjusting mechanism - Google Patents
Transmission chain tension adjusting mechanism Download PDFInfo
- Publication number
- CN210566066U CN210566066U CN201920658231.XU CN201920658231U CN210566066U CN 210566066 U CN210566066 U CN 210566066U CN 201920658231 U CN201920658231 U CN 201920658231U CN 210566066 U CN210566066 U CN 210566066U
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- section
- shaft
- tension
- tensioning wheel
- tension adjusting
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 13
- 238000005381 potential energy Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to a drive chain tensile force adjustment mechanism, its characterized in that: comprises a tension adjusting shaft, a fixing plate, a tension wheel, a connecting swing rod and a torsion spring; the tension adjusting shaft is arranged on one side of the transmission chain through a fixing plate and sequentially comprises an adjusting section, a thread section, a first cylindrical shaft section, a shaft shoulder section and a second cylindrical shaft section which are coaxially arranged from left to right; the one end of connecting the pendulum rod is passed through the slewing bearing suit on the second cylinder shaft section of tension adjusting shaft, and the torsional spring suit is on the second cylinder shaft section on jump ring right side, the one end of torsional spring links to each other and the other end of torsional spring links to each other with being connected the pendulum rod with second cylinder shaft section through the pin. The utility model has the advantages that: through loosening the locking nut and rotating the adjusting section, the whole tensioning wheel shaft rotates along the axis of the whole tensioning wheel shaft, the elastic potential energy of the torsion spring is changed, the locking nut is locked again, the tension of the tensioning wheel is adjusted, and the adjustment is convenient and fast.
Description
Technical Field
The utility model relates to a drive chain's a regulation field especially relates to a drive chain tensile force adjustment mechanism.
Background
In general, tension adjustment of a transmission chain for longitudinal transmission adopts a mode of two fixing points, wherein a first fixing point is hinged with a swinging rod with a tension wheel, a second fixing point is connected with one end of a spring at the other side, and the other end of the spring is connected to a tension roller.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a drive chain tensile force adjustment mechanism, can solve the poor problem of mode structural stability that general drive chain tensile force adjustment mechanism adopted two fixed points.
In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a drive chain tensile force adjustment mechanism which innovation point lies in: comprises a tension adjusting shaft, a fixing plate, a tension wheel, a connecting swing rod and a torsion spring; the tension adjusting shaft is arranged on one side of the transmission chain through a fixing plate and sequentially comprises an adjusting section, a thread section, a first cylindrical shaft section, a shaft shoulder section and a second cylindrical shaft section which are coaxially arranged from left to right; the fixing plate is provided with a mounting hole for accommodating a first cylindrical shaft section, the first cylindrical shaft section is embedded in the mounting hole on the fixing plate, the thread section extends out of the left side of the fixing plate, and the thread section is in threaded connection with a locking nut; one end of the connecting swing rod is sleeved on a second cylindrical shaft section of the tension adjusting shaft through a rotary bearing, a clamp spring is arranged on the second cylindrical shaft section on the right side of the rotary bearing, and the clamp spring is matched with the shaft shoulder section to fix an inner ring of the rotary bearing; the torsion spring is sleeved on the second cylindrical shaft section on the right side of the clamp spring, one end of the torsion spring is connected with the second cylindrical shaft section of the tension adjusting shaft through a pin, and the other end of the torsion spring is connected with the connecting swing rod or abuts against the surface of the connecting swing rod; the tensioning wheel is connected to the other end of the connecting swing rod through a tensioning wheel shaft, and the axis of the tensioning wheel is parallel to the axis of the tension adjusting shaft.
Furthermore, the adjusting section of the tension adjusting shaft is of a regular polygon structure.
Further, tensioning shaft includes tensioning shaft thread section, tensioning shaft shoulder section, take-up pulley installation section and second regulation section, tensioning shaft thread section and the other end threaded connection who is connected the pendulum rod, the take-up pulley setting is on the take-up pulley installation section to carry on spacingly through the cooperation of second jump ring and tensioning shaft shoulder section to the take-up pulley, the second is adjusted the section and is regular polygon structure.
The utility model has the advantages that:
1) in the utility model, the mounting plate is arranged on one side of the transmission chain and is matched with the tension adjusting shaft through the torsional spring structure; the adjusting section is rotated by loosening the locking nut, so that the whole tensioning wheel shaft rotates along the axis of the whole tensioning wheel shaft, the elastic potential energy of the torsion spring is changed, the locking nut is locked again, and the tension of the tensioning wheel is adjusted; the mechanism is arranged on one side of the transmission chain, and has compact structure and high stability.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a transmission chain tension adjusting mechanism of the present invention.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
The tension adjusting mechanism of the transmission chain shown in fig. 1 comprises a tension adjusting shaft 1, a fixing plate 2, a tension wheel 3, a connecting swing rod 4 and a torsion spring.
The tension adjusting shaft 1 is arranged on one side of the transmission chain through the fixing plate 2, and the tension adjusting shaft 1 sequentially comprises an adjusting section 11, a thread section 12, a first cylindrical shaft section 13, a shaft shoulder section 14 and a second cylindrical shaft section 15 which are coaxially arranged from left to right.
Be provided with the mounting hole that holds first cylinder shaft section 13 on fixed plate 2, first cylinder shaft section 13 embedding is in the mounting hole on fixed plate 2, and threaded section 12 stretches out the left side of fixed plate 2, and threaded connection has lock nut 6 on threaded section 12.
One end of the connecting swing rod 4 is sleeved on a second cylindrical shaft section 15 of the tension adjusting shaft through a rotary bearing 7, a clamp spring 8 is arranged on the second cylindrical shaft section 15 on the right side of the rotary bearing 7, and the clamp spring 8 is matched with a shaft shoulder section 14 to fix an inner ring of the rotary bearing 7; the torsion spring is sleeved on the second cylindrical shaft section 15 on the right side of the clamp spring,
one end of the torsion spring is provided with a hook part, the other end of the torsion spring is provided with a limit rod section, the hook part at one end of the torsion spring is connected with the second cylindrical shaft section 15 of the tension adjusting shaft 1 through a pin 9, and the other end of the torsion spring is connected with the connecting swing rod 4 or props against the surface of the connecting swing rod 4; the tensioning wheel 3 is connected to the other end of the connecting swing rod 4 through a tensioning wheel shaft 10, and the axis of the tensioning wheel 3 is parallel to the axis of the tension adjusting shaft 1.
As more specific embodiments of the present invention: the tensioning shaft comprises a tensioning shaft thread section, a tensioning shaft shoulder section, a tensioning wheel mounting section and a second adjusting section, the tensioning shaft thread section is in threaded connection with the other end of the connecting swing rod, the tensioning wheel is arranged on the tensioning wheel mounting section, the tensioning wheel is limited by the cooperation of the second snap spring and the tensioning shaft shoulder section, and the second adjusting section is of a regular polygon structure.
In addition, in the embodiment, the adjusting section 11 of the tension adjusting shaft 1 is in a regular polygon structure, so that the torsion spring can be conveniently adjusted in a rotating manner.
The utility model discloses a theory of operation is: a fixed plate is arranged on one side of the transmission chain and is matched with the tension adjusting shaft through a torsion spring structure; when the tension of the tension wheel is adjusted, the locking nut is loosened, the adjusting section is rotated, so that the whole tension wheel shaft rotates along the axis of the whole tension wheel shaft, the elastic potential energy of the torsion spring is changed, the locking nut is locked again, and the tension of the tension wheel is adjusted; the adjustment is only needed to be carried out on one side of the fixing plate, and the adjustment is convenient and fast.
Claims (3)
1. The utility model provides a drive chain tensile force adjustment mechanism which characterized in that: comprises a tension adjusting shaft, a fixing plate, a tension wheel, a connecting swing rod and a torsion spring;
the tension adjusting shaft is arranged on one side of the transmission chain through a fixing plate and sequentially comprises an adjusting section, a thread section, a first cylindrical shaft section, a shaft shoulder section and a second cylindrical shaft section which are coaxially arranged from left to right; the fixing plate is provided with a mounting hole for accommodating a first cylindrical shaft section, the first cylindrical shaft section is embedded in the mounting hole on the fixing plate, the thread section extends out of the left side of the fixing plate, and the thread section is in threaded connection with a locking nut;
one end of the connecting swing rod is sleeved on a second cylindrical shaft section of the tension adjusting shaft through a rotary bearing, a clamp spring is arranged on the second cylindrical shaft section on the right side of the rotary bearing, and the clamp spring is matched with the shaft shoulder section to fix an inner ring of the rotary bearing;
the torsion spring is sleeved on the second cylindrical shaft section on the right side of the clamp spring, one end of the torsion spring is connected with the second cylindrical shaft section of the tension adjusting shaft through a pin, and the other end of the torsion spring is connected with the connecting swing rod or abuts against the surface of the connecting swing rod;
the tensioning wheel is connected to the other end of the connecting swing rod through a tensioning wheel shaft, and the axis of the tensioning wheel is parallel to the axis of the tension adjusting shaft.
2. A drive chain tension adjustment mechanism as claimed in claim 1, wherein: the adjusting section of the tension adjusting shaft is of a regular polygon structure.
3. A drive chain tension adjustment mechanism as claimed in claim 1, wherein: the tensioning wheel shaft comprises a tensioning shaft thread section, a tensioning shaft shoulder section, a tensioning wheel mounting section and a second adjusting section, the tensioning shaft thread section is in threaded connection with the other end of the connecting swing rod, the tensioning wheel is arranged on the tensioning wheel mounting section, the tensioning wheel is limited by the cooperation of the second snap spring and the tensioning shaft shoulder section, and the second adjusting section is of a regular polygon structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658231.XU CN210566066U (en) | 2019-05-09 | 2019-05-09 | Transmission chain tension adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920658231.XU CN210566066U (en) | 2019-05-09 | 2019-05-09 | Transmission chain tension adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210566066U true CN210566066U (en) | 2020-05-19 |
Family
ID=70641110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920658231.XU Expired - Fee Related CN210566066U (en) | 2019-05-09 | 2019-05-09 | Transmission chain tension adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210566066U (en) |
-
2019
- 2019-05-09 CN CN201920658231.XU patent/CN210566066U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |