CN202203352U - Chain tensioning device - Google Patents
Chain tensioning device Download PDFInfo
- Publication number
- CN202203352U CN202203352U CN201120297546XU CN201120297546U CN202203352U CN 202203352 U CN202203352 U CN 202203352U CN 201120297546X U CN201120297546X U CN 201120297546XU CN 201120297546 U CN201120297546 U CN 201120297546U CN 202203352 U CN202203352 U CN 202203352U
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- chain
- coupling shaft
- fixing part
- pressure spring
- adjusting screw
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Abstract
The utility model relates to the technical field of chain transmission, in particular to a chain tensioning device, which comprises a first tensioning wheel, a second tensioning wheel and a tension adjusting device, wherein the first tensioning wheel and the second tensioning wheel are arranged on one side of a chain, and the tension adjusting device is arranged on the other side of the chain. The center line of the first tensioning wheel and the center line of the second tensioning wheel are symmetrically arranged on two sides of the center line of the tension adjusting device which comprises an adjusting device and a tensioning chain wheel contacted with the chain, and the tensioning chain wheel is arranged above the adjusting device. When the first tensioning wheel and the second tensioning wheel are contacted with the chain on one side of the chain, by means of the adjusting device and the tensioning chain wheel which can be adjusted and arranged on the other side of the chain, the tensioning chain wheel is ejected to be contacted with the chain when the adjusting device is adjusted. Therefore, the chain tensioning device can freely control the tightness of the chain, has simple structure and is convenient to adjust.
Description
Technical field
The utility model relates to the chain transmission technical field, relates in particular to a kind of chain stretching device.
Background technique
Traditional mechanical drive mode has gear transmission, belt transmission, sprocket driving and chain-driven or the like; Wherein gear transmission and sprocket driving are unwell to and carry out in the power transmission longer-distance place between two sprocket wheels; And belt transmission and chain-driven are applicable to remote transmission, and chain-driven is because its nonelastic activity and advantages such as skidding, reliable operation are widely used in the every field of machine-building.
But, in the chain-driven process, can only be used for the transmission in the same way between two-parallel axis, in reverse rapidly transmission, be prone to shock and vibration take place, easy to wear, the stationarity of transmission is relatively poor.In order to overcome or to reduce chaindriven shortcoming, produce the bad oscillation phenomenon with chain of engagement when avoiding the sag of chain excessive, general chain-driven all can be adopted tension device.Chain stretching device is made up of tension sprocket and tension force controlling device usually, and present chain stretching device is complex structure not only, and component are more, and cost is higher, and the complicated operation of the controlling device of tension force, and reliability is relatively poor.
Summary of the invention
The purpose of the utility model is to the technical problem that will solve a kind of chain stretching device to be provided, and this chain stretching device is not only simple in structure, and cost is lower, and convenient the adjusting, can freely control the degree of tightness of chain.
In order to solve the problems of the technologies described above, the utility model adopts following technological scheme:
A kind of chain stretching device; Include first Idle wheel and second Idle wheel that are arranged on chain one side; Also include the device that tightens that is arranged on the chain opposite side; The center line of the center line of said first Idle wheel and second Idle wheel is symmetricly set on the said both sides that tighten the center line of device, and the said device that tightens includes controlling device and the tension sprocket that contacts with chain, and said tension sprocket is arranged on the top of controlling device.
Wherein, Said controlling device includes adjusting screw rod, first fixing part, coupling shaft, pressure spring and second fixing part, and said adjusting screw rod is arranged in first fixing part, and an end of said coupling shaft is embedded at first fixing part; The other end of said coupling shaft is arranged in second fixing part; Said pressure spring is set on the coupling shaft, and said pressure spring is arranged between first fixing part and second fixing part, and said tension sprocket is arranged on second fixing part top.
Wherein, Said first fixing part includes nut, fixed base and regulator plate; Said nut is arranged on the front side of fixed base, and said nut sleeve is located on the adjusting screw rod, and said regulator plate is arranged on the rear side of fixed base; Said regulator plate is set on the coupling shaft, and said adjusting screw rod wears fixed base and conflicts with regulator plate.
Wherein, Said second fixing part comprises sprocket wheel pinch roller seat, pad and adjusting screw; Said tension sprocket is fixedly installed on sprocket wheel pinch roller seat top, and said coupling shaft is arranged in sprocket wheel pinch roller seat, and said pad is arranged on the rear end of sprocket wheel pinch roller seat; Offer the through hole that cooperates with coupling shaft on the said pad, said pad is fixedly connected through adjusting screw with sprocket wheel pinch roller seat.
Wherein, said coupling shaft comprises first coupling shaft and second coupling shaft, and said pressure spring comprises first pressure spring and second pressure spring, and said first pressure spring is set on first coupling shaft, on sheathed second coupling shaft of said second pressure spring.
Wherein, offer groove on the said fixed base.
The beneficial effect of the utility model is:
The described a kind of chain stretching device of the utility model; Include first Idle wheel and second Idle wheel that are arranged on chain one side; Also include the device that tightens that is arranged on the chain opposite side; The center line of the center line of said first Idle wheel and second Idle wheel is symmetricly set on the said both sides that tighten the center line of device, and the said device that tightens includes controlling device and the tension sprocket that contacts with chain, and said tension sprocket is arranged on the top of controlling device.When first Idle wheel contacts with chain with the side of second Idle wheel at chain, through adjustable controlling device and tension sprocket being set, when the adjustment controlling device at the chain opposite side; Tension sprocket ejected with chain contact; Can freely control the degree of tightness of chain, simple in structure, the convenient adjusting.
Description of drawings
Accompanying drawing 1 is the working state structure schematic representation of the utility model.
Floor map when accompanying drawing 2 is not adjusted state for the utility model.
Floor map when accompanying drawing 3 is adjusted state for the utility model.
Accompanying drawing 4 is the decomposing schematic representation that tightens device of the utility model.
In Fig. 1 to Fig. 4, include:
1---first Idle wheel 2---second Idle wheel 3---tightens device
4---controlling device 5---tension sprocket 41---adjusting screw rods
42---first fixing part 43---coupling shaft 44---pressure springs
45---second fixing part 421---nut 422---fixed bases
423---regulator plate 451---sprocket wheel pinch roller seat 452---pads
453---adjusting screw 43a---first coupling shaft 43b---second coupling shafts
44a---first pressure spring 44b---second pressure spring.
Embodiment
For the ease of those skilled in the art's understanding, below in conjunction with embodiment and accompanying drawing the utility model is further described, the content that mode of execution is mentioned not is the qualification to the utility model.
Extremely shown in Figure 4 like Fig. 1; A kind of chain stretching device; Include first Idle wheel 1 and second Idle wheel 2 that are arranged on chain one side, also include be arranged on the chain opposite side tighten device 3, the center line of the center line of said first Idle wheel 1 and second Idle wheel 2 is symmetricly set on the said both sides that tighten the center line of device 3; The said device 3 that tightens includes controlling device 4 and the tension sprocket that contacts with chain 5, and said tension sprocket 5 is arranged on the top of controlling device 4.In the utility model; Said first Idle wheel 1 and second Idle wheel 2 are arranged on a side of chain; Be arranged on the opposite side of chain with tightening device 3, the center line symmetry of said first Idle wheel 1 and second Idle wheel 2 is positioned at the both sides of the center line that tightens device 3, and win Idle wheel 1 and second Idle wheel 2 are symmetrical set with respect to tightening device 3; Make things convenient for the adjusting of chain tightness, guarantee the stability that chain is regulated; The said device 3 that tightens includes controlling device 4 and is positioned at the tension sprocket 5 that controlling device 4 tops contact with chain; When adjustment controlling device 4; The tension sprocket 5 that is positioned at controlling device 4 tops can move forwards or backwards according to the adjustment situation; Thereby can freely adjust the degree of tightness situation of chain, the Security and the stability of protection manufacturing mechanism, simple in structure and convenient adjustment.
As preferred embodiment; Said controlling device 4 includes adjusting screw rod 41, first fixing part 42, coupling shaft 43, pressure spring 44 and second fixing part 45; Said adjusting screw rod 41 is arranged in first fixing part 42; One end of said coupling shaft 43 is embedded at first fixing part 42, and the other end of said coupling shaft 43 is arranged in second fixing part 45, and said pressure spring 44 is set on the coupling shaft 43; Said pressure spring 44 is arranged between first fixing part 42 and second fixing part 45, and said tension sprocket 5 is arranged on second fixing part, 45 tops.In the utility model; Described controlling device 4 is made up of adjusting screw rod 41, first fixing part 42, coupling shaft 43, pressure spring 44 and second fixing part 45; Described adjusting screw rod 41, first fixing part 42, coupling shaft 43, pressure spring 44 and second fixing part 45 connect successively, and said tension sprocket 5 is positioned at the top of second fixing part 45.When adjustment adjusting screw rod 41, under the effect of pressure spring 44, promote second fixing part 45 through coupling shaft 43 and travel forward, drive the tension sprocket 5 that is positioned on second fixing part 45 and travel forward, chain is ejected, realize the adjusting of chain degree of tightness.The utility model is simple in structure, and can freely adjust the tightness of chain.
As preferred embodiment; Said first fixing part 42 includes nut 421, fixed base 422 and regulator plate 423; Said nut 421 is arranged on the front side of fixed base 422, and said nut 421 is set on the adjusting screw rod 41, and said regulator plate 423 is arranged on the rear side of fixed base 422; Said regulator plate 423 is set on the coupling shaft 43, and said adjusting screw rod 41 wears fixed base 422 and conflicts with regulator plate 423.In the utility model; Described first fixing part 42 is made up of nut 421, fixed base 422 and regulator plate 423; Said nut 421 is located at the front side of fixed base 422 and is set on the screw rod 41; Said regulator plate 423 is located at the rear side of fixed base 422 and is set on the coupling shaft 43, and the opposite side of said regulator plate 423 contacts with pressure spring 44, and said adjusting screw rod 41 wears fixed base 422 and conflicts with regulator plate 423.When adjustment nut 421; Adjusting screw rod 41 drives regulator plate 423 extruding pressure springs 44 to the rotation of chain direction, travels forward thereby promote second fixing part 45; The tension sprocket 5 that is positioned at second fixing part, 45 tops ejects to the chain direction; Realize the adjusting of chain degree of tightness state, simple in structure, the convenient adjusting.
As another preferred embodiment; Said second fixing part 45 comprises sprocket wheel pinch roller seat 451, pad 452 and adjusting screw 453; Said tension sprocket 5 is fixedly installed on sprocket wheel pinch roller seat 451 tops, and said coupling shaft 43 is arranged in sprocket wheel pinch roller seat 451, and said pad 452 is arranged on the rear end of sprocket wheel pinch roller seat 451; Offer the through hole that cooperates with coupling shaft 43 on the said pad 452, said pad 452 is fixedly connected through adjusting screw 453 with sprocket wheel pinch roller seat 451.In the utility model; Said second fixing part 45 is made up of sprocket wheel pinch roller seat 451, pad 452 and adjusting screw 453; Said tension sprocket 5 is arranged on the top of sprocket wheel pinch roller seat 451 through axle and bearing fixing, installs firmly, has strengthened the Security of the utility model; Said pad 452 is arranged on the rear end of sprocket wheel pinch roller seat 451 and is fixedly connected with sprocket wheel pinch roller seat 451 through adjusting screw 453, said coupling shaft 43 be arranged in sprocket wheel pinch roller seat 451 and with pad 452 on the through hole offered cooperate.When needs are adjusted the degree of tightness of chain, the adjusting screw 453 of fine-tuning pad 452 rear ends, pad 452 keeps at a certain distance away with sprocket wheel pinch roller seat 451; Make sprocket wheel pinch roller seat 451 have enough outwards flexible space; When pressure spring 44 received the Driving force of first fixing part 42, under the elastic force effect of pressure spring 44, sprocket wheel pinch roller seat 451 travelled forward; Make the tension sprocket 5 that is positioned on the sprocket wheel pinch roller seat 451 outwards eject, realize the adjusting of chain degree of tightness.
Further; Said coupling shaft 43 comprises the first coupling shaft 43a and the second coupling shaft 43b; Said pressure spring 44 comprises the first pressure spring 44a and the second pressure spring 44b; Said first compression plays the 44a spring and is set on the first coupling shaft 43a, on the sheathed second coupling shaft 43b of the said second pressure spring 44b.In the utility model; Said coupling shaft 43 is made up of the first coupling shaft 43a and the second coupling shaft 43b; Said pressure spring 44 is by the first pressure spring 44a and the second pressure spring 44b; The said first pressure spring 44a and the second pressure spring 44b correspondence respectively are set on the first coupling shaft 43a and the second coupling shaft 43b, have further strengthened the stability of the utility model.
Further, offer groove 4221 on the said fixed base 422.In the utility model; Offer groove 4221 on the said fixed base 422; Said fixed base 422 passes groove 4221 through screw or other fixed blocks and fixes with frame, prevents that the described chain stretching device of the utility model from rocking, and further strengthened the stability and the Security of the utility model.
The foregoing description is one of preferable implementation of the utility model; In addition; The utility model can also alternate manner realizes, in any conspicuous replacement under the prerequisite that does not break away from the utility model inventive concept all within the protection domain at the utility model.
Claims (6)
1. chain stretching device; Include first Idle wheel (1) and second Idle wheel (2) that are arranged on chain one side; It is characterized in that: also include be arranged on the chain opposite side tighten device (3); The center line of the center line of said first Idle wheel (1) and second Idle wheel (2) is symmetricly set on the said both sides that tighten the center line of device (3); The said device (3) that tightens includes controlling device (4) and the tension sprocket that contacts with chain (5), and said tension sprocket (5) is arranged on the top of controlling device (4).
2. a kind of chain stretching device according to claim 1; It is characterized in that: said controlling device (4) includes adjusting screw rod (41), first fixing part (42), coupling shaft (43), pressure spring (44) and second fixing part (45); Said adjusting screw rod (41) is arranged in first fixing part (42); One end of said coupling shaft (43) is embedded at first fixing part (42); The other end of said coupling shaft (43) is arranged in second fixing part (45); Said pressure spring (44) is set on the coupling shaft (43), and said pressure spring (44) is arranged between first fixing part (42) and second fixing part (45), and said tension sprocket (5) is arranged on second fixing part (45) top.
3. a kind of chain stretching device according to claim 2; It is characterized in that: said first fixing part (42) includes nut (421), fixed base (422) and regulator plate (423); Said nut (421) is arranged on the front side of fixed base (422); Said nut (421) is set on the adjusting screw rod (41); Said regulator plate (423) is arranged on the rear side of fixed base (422), and said regulator plate (423) is set on the coupling shaft (43), and said adjusting screw rod (41) wears fixed base (422) and conflicts with regulator plate (423).
4. a kind of chain stretching device according to claim 2; It is characterized in that: said second fixing part (45) comprises sprocket wheel pinch roller seat (451), pad (452) and adjusting screw (453); Said tension sprocket (5) is fixedly installed on sprocket wheel pinch roller seat (451) top; Said coupling shaft (43) is arranged in sprocket wheel pinch roller seat (451); Said pad (452) is arranged on the rear end of sprocket wheel pinch roller seat (451), offers the through hole that cooperates with coupling shaft (43) on the said pad (452), and said pad (452) is fixedly connected through adjusting screw (453) with sprocket wheel pinch roller seat (451).
5. according to any described a kind of chain stretching device of claim 2 to 4; It is characterized in that: said coupling shaft (43) comprises first coupling shaft (43a) and second coupling shaft (43b); Said pressure spring (44) comprises first pressure spring (44a) and second pressure spring (44b); Said first compression bullet (44a) spring is set on first coupling shaft (43a), on sheathed second coupling shaft (43b) of said second pressure spring (44b).
6. a kind of chain stretching device according to claim 3 is characterized in that: offer groove (4221) on the said fixed base (422).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120297546XU CN202203352U (en) | 2011-08-16 | 2011-08-16 | Chain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120297546XU CN202203352U (en) | 2011-08-16 | 2011-08-16 | Chain tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203352U true CN202203352U (en) | 2012-04-25 |
Family
ID=45967473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120297546XU Expired - Fee Related CN202203352U (en) | 2011-08-16 | 2011-08-16 | Chain tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203352U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267096A (en) * | 2013-05-14 | 2013-08-28 | 佛山市保利来建材实业有限公司 | Flexible chain tensioning structure |
| CN104455256A (en) * | 2014-11-29 | 2015-03-25 | 何理生 | Adjustable tensioning mechanism |
| CN106193702A (en) * | 2016-08-26 | 2016-12-07 | 贵州航天南海科技有限责任公司 | A kind of transverse-moving mechanism of main body cross sliding type parking equipment |
| CN106904407A (en) * | 2017-02-24 | 2017-06-30 | 惠州市天泽盈丰物联网科技股份有限公司 | Garment hanging system elastic adjustment component and the garment hanging system of chain |
| CN107084232A (en) * | 2017-06-20 | 2017-08-22 | 长沙开元仪器股份有限公司 | A kind of vehicle and its chain stretching device |
| CN111911070A (en) * | 2020-06-30 | 2020-11-10 | 杭州临安大地规划勘测有限公司 | Reverse circulation drilling machine system |
| CN112660873A (en) * | 2020-12-11 | 2021-04-16 | 湖南诺贝斯特科技有限公司 | Vertical type seaming device |
| CN112727211A (en) * | 2020-12-29 | 2021-04-30 | 安徽中安创建科技产业有限公司 | Anti-loosening chain device of parking equipment |
| CN113048201A (en) * | 2021-03-11 | 2021-06-29 | 江苏沃得高新农业装备有限公司 | Chain tensioning mechanism |
-
2011
- 2011-08-16 CN CN201120297546XU patent/CN202203352U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267096A (en) * | 2013-05-14 | 2013-08-28 | 佛山市保利来建材实业有限公司 | Flexible chain tensioning structure |
| CN104455256A (en) * | 2014-11-29 | 2015-03-25 | 何理生 | Adjustable tensioning mechanism |
| CN106193702A (en) * | 2016-08-26 | 2016-12-07 | 贵州航天南海科技有限责任公司 | A kind of transverse-moving mechanism of main body cross sliding type parking equipment |
| CN106193702B (en) * | 2016-08-26 | 2018-11-27 | 贵州航天南海科技有限责任公司 | A kind of transverse-moving mechanism of main body cross sliding type parking equipment |
| CN106904407A (en) * | 2017-02-24 | 2017-06-30 | 惠州市天泽盈丰物联网科技股份有限公司 | Garment hanging system elastic adjustment component and the garment hanging system of chain |
| CN107084232A (en) * | 2017-06-20 | 2017-08-22 | 长沙开元仪器股份有限公司 | A kind of vehicle and its chain stretching device |
| CN111911070A (en) * | 2020-06-30 | 2020-11-10 | 杭州临安大地规划勘测有限公司 | Reverse circulation drilling machine system |
| CN112660873A (en) * | 2020-12-11 | 2021-04-16 | 湖南诺贝斯特科技有限公司 | Vertical type seaming device |
| CN112727211A (en) * | 2020-12-29 | 2021-04-30 | 安徽中安创建科技产业有限公司 | Anti-loosening chain device of parking equipment |
| CN113048201A (en) * | 2021-03-11 | 2021-06-29 | 江苏沃得高新农业装备有限公司 | Chain tensioning mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DONGGUAN SCIENCGO MACHINERY MANUFACTURE CO., LTD. Free format text: FORMER NAME: DONGGUAN XINZEGU MACHINERY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 523428 Dongguan city 523428 Liaobu town of Shilong village Huangkeng Jinyuan Industrial Zone No. 23 new road Dongguan xinzegu machinery manufacturing Limited by Share Ltd Patentee after: Dongguan Sciencgo Machinery Manufacturing Co., Ltd. Address before: 523428 Guangdong Province, Dongguan city Liaobu town of Shilong village Huangkeng Jinyuan Industrial Zone No. 23 new road Dongguan xinzegu Machinery Co. Ltd. Patentee before: Dongguan Xinzegu Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20140816 |
|
| EXPY | Termination of patent right or utility model |