CN203463574U - Novel tensioner - Google Patents
Novel tensioner Download PDFInfo
- Publication number
- CN203463574U CN203463574U CN201320345300.4U CN201320345300U CN203463574U CN 203463574 U CN203463574 U CN 203463574U CN 201320345300 U CN201320345300 U CN 201320345300U CN 203463574 U CN203463574 U CN 203463574U
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- CN
- China
- Prior art keywords
- spring
- tension arms
- tensioner
- tensioning device
- self
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 239000000428 dust Substances 0.000 claims abstract description 5
- 239000004677 Nylon Substances 0.000 claims description 27
- 229920001778 nylon Polymers 0.000 claims description 27
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 210000000617 arm Anatomy 0.000 description 26
- 230000006872 improvement Effects 0.000 description 16
- 230000008901 benefit Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004512 die casting Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/081—Torsion springs
Landscapes
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The utility model relates to a novel tensioner. The tensioner is characterized in that the tensioner comprises a bottom housing and a spring arranged in the bottom housing; a clamp ring cooperating with the spring to rotate is arranged outside the spring; the tensioner also comprises a tensioning arm and a coupling shaft core; a central hole is arranged in the center of the tensioning arm; a self-lubricating bear is arranged in the central hole; the self-lubricating bearing cooperates with the coupling shaft core so that the tensioning arm is allowed to rotate around the coupling shaft core; one end of the spring is linked with the bottom housing and the other end is linked with the tensioning arm so that the tensioning arm and the bottom housing are allowed to produce rotation force via the spring; and the tensioner further comprises a belt pulley housing, a bearing and a bolt, wherein the bolt is used for tightly screwing an anti-dust cover and the bearing on the tensioning arm. Compared with the prior art, the tensioner is advantageous in that firstly, the tensioner is simple in whole structure, easy to operate and lower in cost; and secondly, the tensioner is simple in production and manufacturing process and reliable in quality, and service lifetime of the tensioner is greatly prolonged.
Description
Technical field
The utility model relates to a kind of stretcher, is the stretcher that on motor, belt transmits specifically, belongs to drive technology field.
Background technique
Stretcher is holding device conventional on belt, chain transmission system, be characterized in keeping belt, chain in transmission process, can have suitable tightening belt tension force, thereby avoid belt slippage, or avoid Timing Belt that tooth, de-tooth phenomenon occur to jump, or prevent that belt from becoming flexible, coming off, alleviate belt wheel, belt wearing and tearing.The structure of stretcher is varied, it roughly comprises stationary structure and elasticity self-regulation structure, the wherein stationary structure tensionings that adopt fixing adjustable tapes wheel to regulate belt more, elasticity self-regulation structure adopt more elastic member can automatic rebounding control belt, the tensioning of chain.Mostly there is following problem in stretcher in the market, complex structure, and its manufacturing cost is higher; Some prices are relatively cheap, but it is second-rate, and working life is shorter.Therefore, exigence is a kind of is the guaranteed novel tensioning device of low price and quality.
Summary of the invention
The utility model, just for the technical problem existing in prior art, provides a kind of novel tensioning device simple in structure, easy to operate, lower-cost, and this stretcher is simple in structure, stable performance, firm, and production and processing is simple, easy to operate.
To achieve these goals, the technical solution of the utility model is as follows, a kind of novel tensioning device, it is characterized in that, described stretcher comprises bottom shell, be arranged on the spring in housing, the outer installment of described spring has the collar that coordinates spring rotation, described stretcher also comprises tension arms, coupling spindle core, described tension arms center is provided with center hole, self-lubricating bearing is housed in center hole, self-lubricating bearing coordinates with coupling spindle core, tension arms can be rotated around coupling spindle core, described spring one end connects bottom shell, the other end connects tension arms, by spring, make tension arms and housing produce rotating force, described stretcher also comprises belt pulley shell, bearing, bolt, described bolt is tightened in dust cover and bearing on tension arms.
As a kind of improvement of the present utility model, described stretcher also comprises nylon spacer and riveting sheet, and described nylon spacer and riveting sheet are arranged between tension arms and shell.
As a kind of improvement of the present utility model, in described bottom shell, be provided with centre bearing, described centre bearing is cast in bottom shell with the form of mold insert, makes both firm combining, and becomes as a whole.
As a kind of improvement of the present utility model, the bottom of described bottom shell is provided with the first screw face and the first vertical plane, described the first vertical plane is arranged on the afterbody of the first screw face, described the first screw face and the first vertical plane and spring cooperating, make vertical being placed in bottom shell of spring.
As a kind of improvement of the present utility model, described collar comprises bracing ring and the nylon lining being used in conjunction with support circle.
As a kind of improvement of the present utility model, on described bracing ring, be provided with groove, the centre of described nylon lining is provided with boss, and described boss sticks in groove, makes bracing ring and nylon lining be connected to an integral body.
As a kind of improvement of the present utility model, described tension arms bottom is provided with the second screw face and the second vertical plane, and described the second screw face and the second vertical plane and spring cooperating, vertically place spring.
As a kind of improvement of the present utility model, the bottom of described tension arms is provided with groove, and the bottom of described nylon lining is provided with boss, and described boss sticks in the groove of tension arms, makes nylon lining and tension arms be connected to an integral body.
As a kind of improvement of the present utility model, described stretcher comprises two self-lubricating bearings, and described self-lubricating bearing compresses respectively the two ends of tension arms center hole, and described central rotating shaft and two self-lubricating bearings are slidably connected.
With respect to prior art, advantage of the present utility model is as follows, and 1) this overall structure is simple, easy to operate, cost is lower; 2) this stretcher is produced, processing technology is simple, and reliable in quality, has greatly extended the working life of stretcher, has promoted the popularization greatly that domestic stretcher is produced.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model sealed supporting ring structure schematic diagram;
Fig. 3 is the utility model nylon lining structural representation;
Fig. 4 is the utility model bottom shell structural representation;
Fig. 5 is the utility model bottom shell structural representation;
Fig. 6 is the utility model spring structure schematic diagram;
Fig. 7 is the utility model tension arms structural representation;
Fig. 8 is the utility model tension arms structural representation;
In figure: 1 housing, 2 central rotating shafts, 3 springs, 4 bracing rings, 5 nylon linings, 6 self-lubricating bearings, 7 tension armss, 8 nylon spacers, 9 riveting sheets, 10 belt pulley shells, 11 bearings, 12 dust covers, 13 bolts, 14 first screw faces, 15 first vertical planes, 16 spring end faces, 17 second screw faces, 18 second vertical planes, 19 spring end faces, 20 grooves, 21 boss, 22 boss, 23 grooves, 24 planes, 25 planes, 26 planes, 27 planes, 28 planes.
Embodiment
In order to deepen, to understanding and cognition of the present utility model, below in conjunction with the drawings and specific embodiments, the utility model to be made further instructions and introduced.
embodiment 1:
Referring to Fig. 1, a kind of novel tensioning device, described stretcher comprises bottom shell 1, be arranged on the spring 3 in housing, the outer installment of described spring has the collar that coordinates spring rotation, described stretcher also comprises tension arms 7, coupling spindle core, described tension arms center is provided with center hole, self-lubricating bearing 6 is housed in center hole, self-lubricating bearing 6 coordinates with coupling spindle core, tension arms can be rotated around coupling spindle core, described spring one end connects bottom shell, the other end connects tension arms, by spring, make tension arms and housing produce rotating force, described stretcher also comprises belt pulley shell, bearing 11, bolt 13, described bolt is tightened in dust cover 12 and bearing on tension arms 7.Its middle shell 1 is aluminum alloy die casting, simple by this technological scheme overall structure of mould one-step die casting, reliable in quality, and production and processing technology is simple, and cost is lower, and working life is longer.
embodiment 2:
Referring to Fig. 1, as a kind of improvement of the present utility model, described stretcher also comprises nylon spacer 8 and riveting sheet 9, and described nylon spacer 8 and riveting sheet 9 are arranged between tension arms 7 and belt pulley shell 10.Nylon spacer 8, between part tension arms 7 and riveting sheet 9, works to support and reduce planar friction; Riveting sheet 9 is connected into an integral body with the mode of central rotating shaft 2 use riveted joints.All the other advantages are identical with embodiment 1.
embodiment 3:referring to Fig. 1, as a kind of improvement of the present utility model, in described bottom shell 1, be provided with central rotating shaft 2, described central rotating shaft 2 is cast in bottom shell with the form of mold insert, makes both firm combining, and becomes as a whole.All the other advantages are identical with embodiment 1.
embodiment 4:referring to Fig. 4, Fig. 5, as a kind of improvement of the present utility model, the bottom of described housing 1 is provided with the first screw face 14 and the first vertical plane 15, described the first vertical plane 15 is arranged on the afterbody of the first screw face 14, wherein the first screw face 14 is consistent with helical spring helix angle, guarantee that spring placement is vertical, described the first screw face 14 and the first vertical plane 15 and spring 3 cooperatings, make vertical being placed in bottom shell 1 of spring 3, during work, the first vertical plane 15 active forces are in spring end face 16.All the other advantages are identical with embodiment 1.
embodiment 5:referring to Fig. 2, Fig. 3
,as a kind of improvement of the present utility model, described collar comprises bracing ring 4 and the nylon lining 5 being used in conjunction with support circle.Bracing ring 4 has inner plane 24, and outerplanar 25, inner plane 24 is fitted with the disc 26 of tension arms 7, the outerplanar 25 of bracing ring 4 and 27 laminatings of the inner plane of nylon lining ring 5, the outerplanar 28 of nylon lining ring 5 and 29 laminatings of the inner plane of housing 1, this faying surface has relative displacement to produce damping.All the other advantages are identical with embodiment 1.
embodiment 6:referring to Fig. 2, Fig. 3, as a kind of improvement of the present utility model, on described bracing ring 4, be provided with groove 20, described groove 20 is set to two, can be also three or more, the centre of described nylon lining 5 is provided with boss 21, the quantity of described boss is set to two, can be also three or more, and described boss 21 sticks in groove 20, make bracing ring 4 and nylon lining 5 be connected to an integral body, more firm.All the other advantages are identical with embodiment 1.
embodiment 7:referring to Fig. 7, as a kind of improvement of the present utility model, described tension arms 7 bottoms are provided with the second screw face 17 and the second vertical plane 18, described the second screw face is consistent with helical spring helix angle, guarantee that spring placement is vertical, described the second screw face 17 and the second vertical plane 18 and spring cooperating, during work, the second vertical plane 18 active forces, in spring end face 19, vertically place spring.All the other advantages are identical with embodiment 1.
embodiment 8:referring to Fig. 3, Fig. 8, as a kind of improvement of the present utility model, the bottom of described tension arms 7 is provided with groove 23, and the bottom of described nylon complete 5 is provided with boss 22, described boss 22 sticks in the groove 23 of tension arms, makes nylon lining 5 and tension arms 7 be connected to an integral body.All the other advantages are identical with embodiment 1.
embodiment 9:referring to Fig. 1, as a kind of improvement of the present utility model, described stretcher comprises two self-lubricating bearings 6, and described self-lubricating bearing 6 compresses respectively the two ends of tension arms 7 center holes, and described central rotating shaft 2 and two self-lubricating bearings 6 are slidably connected.All the other advantages are identical with embodiment 1.
embodiment 10:in addition, on bottom shell 1, be provided with mark, described mark is used for the shortest belt of mark, long belt and change the particular location of belt, easy-to-operat.All the other structures are identical with embodiment 1 with advantage.
The utility model can also, by least one and embodiment in technical characteristics described in embodiment 2,3,4,5,6,7,8,9,10 1 combination, form new mode of execution.
It should be noted that above-described embodiment is only preferred embodiment of the present utility model; be not used for limiting protection domain of the present utility model; being equal to replacement or substituting of having done on the basis of the above all belongs to protection domain of the present utility model, and protection domain of the present utility model is as the criterion with claims.
Claims (9)
1. a novel tensioning device, it is characterized in that, described stretcher comprises bottom shell, be arranged on the spring in housing, the outer installment of described spring has the collar that coordinates spring rotation, described stretcher also comprises tension arms, coupling spindle core, described tension arms center is provided with center hole, self-lubricating bearing is housed in center hole, self-lubricating bearing coordinates with coupling spindle core, tension arms can be rotated around coupling spindle core, described spring one end connects bottom shell, the other end connects tension arms, by spring, make tension arms and housing produce rotating force, described stretcher also comprises belt pulley shell, bearing, bolt, described bolt is tightened in dust cover and bearing on tension arms.
2. novel tensioning device according to claim 1, is characterized in that, described stretcher also comprises nylon spacer and riveting sheet, and described nylon spacer and riveting sheet are arranged between tension arms and housing.
3. novel tensioning device according to claim 1, is characterized in that, in described bottom shell, is provided with central rotating shaft, and described central rotating shaft is cast in bottom shell with the form of mold insert, makes both firm combining, and becomes as a whole.
4. according to the novel tensioning device described in claim 1 or 2 or 3, it is characterized in that, the bottom of described bottom shell is provided with the first screw face and the first vertical plane, described the first vertical plane is arranged on the afterbody of the first screw face, the first screw face and the first vertical plane and spring cooperating, make vertical being placed in bottom shell of spring.
5. novel tensioning device according to claim 1, is characterized in that, described collar comprises bracing ring and the nylon lining being used in conjunction with support circle.
6. novel tensioning device according to claim 5, is characterized in that, on described bracing ring, is provided with groove, and the centre of described nylon lining is provided with boss, and described boss sticks in groove, makes bracing ring and nylon lining be connected to an integral body.
7. according to the novel tensioning device described in claim 1 or 2 or 3 or 4, it is characterized in that, described tension arms bottom is provided with the second screw face and the second vertical plane, and described the second screw face and the second vertical plane and spring cooperating, vertically place spring.
8. according to the novel tensioning device described in claim 5 or 6, it is characterized in that, the bottom of described tension arms is provided with groove, and the complete bottom of described nylon is provided with boss, described boss sticks in the groove of tension arms, makes nylon lining and tension arms be connected to an integral body.
9. novel tensioning device according to claim 3, is characterized in that, described stretcher comprises two self-lubricating bearings, and described self-lubricating bearing is compressed into respectively the two ends of tension arms center hole, and described central rotating shaft and two self-lubricating bearings are slidably connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320345300.4U CN203463574U (en) | 2013-06-17 | 2013-06-17 | Novel tensioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320345300.4U CN203463574U (en) | 2013-06-17 | 2013-06-17 | Novel tensioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203463574U true CN203463574U (en) | 2014-03-05 |
Family
ID=50175941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320345300.4U Withdrawn - After Issue CN203463574U (en) | 2013-06-17 | 2013-06-17 | Novel tensioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203463574U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267097A (en) * | 2013-06-17 | 2013-08-28 | 江苏爱尔特实业有限公司 | Novel tensioner |
| CN106763584A (en) * | 2017-01-13 | 2017-05-31 | 扬州安德机电制造有限公司 | A kind of belt stress with electromagnetic braking mechanism |
| CN111207192A (en) * | 2019-09-30 | 2020-05-29 | 宁波丰茂远东橡胶有限公司 | Automatic tensioner with circular damping sleeve |
-
2013
- 2013-06-17 CN CN201320345300.4U patent/CN203463574U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267097A (en) * | 2013-06-17 | 2013-08-28 | 江苏爱尔特实业有限公司 | Novel tensioner |
| CN103267097B (en) * | 2013-06-17 | 2016-06-15 | 江苏爱尔特实业有限公司 | A kind of stretcher |
| CN106763584A (en) * | 2017-01-13 | 2017-05-31 | 扬州安德机电制造有限公司 | A kind of belt stress with electromagnetic braking mechanism |
| CN111207192A (en) * | 2019-09-30 | 2020-05-29 | 宁波丰茂远东橡胶有限公司 | Automatic tensioner with circular damping sleeve |
| CN111207192B (en) * | 2019-09-30 | 2021-01-15 | 宁波丰茂远东橡胶有限公司 | Automatic tensioner with circular damping sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160615 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160615 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |