CN213839440U - Chain tensioning device - Google Patents
Chain tensioning device Download PDFInfo
- Publication number
- CN213839440U CN213839440U CN202022529276.2U CN202022529276U CN213839440U CN 213839440 U CN213839440 U CN 213839440U CN 202022529276 U CN202022529276 U CN 202022529276U CN 213839440 U CN213839440 U CN 213839440U
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- CN
- China
- Prior art keywords
- connecting plate
- push rod
- tensioning
- chain
- plate
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Abstract
The utility model relates to a chain tensioning device, including mounting bracket, connecting plate, tensioning assembly, back shaft, adorn a back shaft admittedly on the mounting bracket, hinge dress a connecting plate on the back shaft, the connecting plate can rotate around the back shaft, at the one end installation tensioning assembly of connecting plate, at the other end installation sprocket of connecting plate. The utility model discloses utilize lever principle, a thrust is applyed on the connecting plate through the push rod to the tensioning spring, makes the sprocket of being connected with the connecting plate other end be in the tensioning state, if the chain is loose, can self-adaptation regulation.
Description
Technical Field
The utility model belongs to machinery conveying field relates to the chain and adjusts the technique, especially a chain overspeed device tensioner.
Background
The chain is easy to fall off from the chain wheel after being used for a period of time, the chain wheel needs to be adjusted to tension the chain, and the existing tensioning mechanism is complex in structure, cannot be adjusted in real time and needs to be manually adjusted by a person.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, provide a but chain overspeed device tensioner of self-adaptation regulation.
The utility model provides a technical scheme that technical problem adopted is:
a chain tensioning device comprises an installation frame, a connecting plate, a tensioning assembly and a supporting shaft, wherein the supporting shaft is fixedly installed on the installation frame, the supporting shaft is hinged with the connecting plate, the connecting plate can rotate around the supporting shaft, the tensioning assembly is installed at one end of the connecting plate, and a chain wheel is installed at the other end of the connecting plate.
And the tensioning assembly comprises a push rod and a tensioning spring, one end of the push rod is fixedly installed with the connecting plate through the fixing plate, the other end of the push rod penetrates out of the baffle of the mounting frame, a push rod through hole is formed in the baffle, a locking nut is fixedly installed at the outer end of the push rod, and the tensioning spring is sleeved on the push rod between the locking nut and the baffle.
Moreover, the connecting plate is a flat plate with a certain bending angle in the middle.
And the mounting frame is Z-shaped and consists of a mounting plate and two baffles, wherein the two baffles are integrally formed at the two ends of the mounting plate and are vertical to the mounting plate.
The utility model has the advantages that:
the utility model discloses utilize lever principle, the connecting plate is equivalent to the seesaw, and a thrust is applyed on the connecting plate through the push rod to the tensioning spring, makes the sprocket of being connected with the connecting plate other end be in the tensioning state, if the chain is loose, can self-adaptation regulation.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a right side view of FIG. 1;
fig. 3 is a top view of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only, and are not intended to be limiting, and the scope of the present invention should not be limited thereby.
A chain tensioning device comprises an installation frame, a connecting plate 7, a tensioning assembly and a supporting shaft 8, wherein the supporting shaft is fixedly installed on the installation frame, the supporting shaft is hinged with the connecting plate, the connecting plate can rotate around the supporting shaft, the tensioning assembly is installed at one end of the connecting plate, and a chain wheel 9 is installed at the other end of the connecting plate.
The tensioning assembly comprises a push rod 3, a tensioning spring 4 and a fixing plate 1, one end of the push rod is fixedly installed with the connecting plate through the fixing plate, the other end of the push rod penetrates out of a baffle 10 of the mounting frame, a push rod through hole is formed in the baffle, a locking nut 6 is fixedly installed at the outer end of the push rod, and the tensioning spring 4 is sleeved on the push rod between the locking nut and the baffle.
A nut washer 5 is sleeved on the push rod between the locking nut and the spring.
The connecting plate is a flat plate with a certain bending angle in the middle.
The mounting bracket is Z-shaped and consists of a mounting plate 2 and two baffles 10, wherein the two baffles are integrally manufactured at the two ends of the mounting plate and are vertical to the mounting plate.
The working principle of the device is as follows:
the utility model discloses utilize lever principle, the connecting plate is equivalent to the seesaw, and a thrust is applyed on the connecting plate through the push rod to the tensioning spring, makes the sprocket of being connected with the connecting plate other end be in the tensioning state, if the chain is loose, can self-adaptation regulation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the spirit of the present invention, and these modifications and improvements are all within the protection scope of the present invention.
Claims (4)
1. A chain tensioner, characterized by: the chain wheel tensioning device comprises an installation frame, a connecting plate, a tensioning assembly and a supporting shaft, wherein the supporting shaft is fixedly installed on the installation frame, the connecting plate is hinged to the supporting shaft and can rotate around the supporting shaft, the tensioning assembly is installed at one end of the connecting plate, and a chain wheel is installed at the other end of the connecting plate.
2. The chain tensioner as set forth in claim 1, wherein: the tensioning assembly comprises a push rod and a tensioning spring, one end of the push rod is fixedly installed with the connecting plate through the fixing plate, the other end of the push rod penetrates out of the baffle of the mounting frame, a push rod through hole is formed in the baffle, a locking nut is fixedly installed at the outer end of the push rod, and the tensioning spring is sleeved on the push rod between the locking nut and the baffle.
3. The chain tensioner as set forth in claim 1, wherein: the connecting plate is a flat plate with a certain bending angle in the middle.
4. The chain tensioner as set forth in claim 1, wherein: the mounting bracket is Z-shaped and consists of a mounting plate and two baffles, wherein the two baffles are integrally manufactured at the two ends of the mounting plate and are vertical to the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529276.2U CN213839440U (en) | 2020-11-05 | 2020-11-05 | Chain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022529276.2U CN213839440U (en) | 2020-11-05 | 2020-11-05 | Chain tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839440U true CN213839440U (en) | 2021-07-30 |
Family
ID=77013418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022529276.2U Active CN213839440U (en) | 2020-11-05 | 2020-11-05 | Chain tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839440U (en) |
-
2020
- 2020-11-05 CN CN202022529276.2U patent/CN213839440U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |