CN108397526B - Tensioning device - Google Patents
Tensioning device Download PDFInfo
- Publication number
- CN108397526B CN108397526B CN201810355076.4A CN201810355076A CN108397526B CN 108397526 B CN108397526 B CN 108397526B CN 201810355076 A CN201810355076 A CN 201810355076A CN 108397526 B CN108397526 B CN 108397526B
- Authority
- CN
- China
- Prior art keywords
- tensioner
- face
- guide post
- top seat
- cylinder
- Prior art date
- 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.)
- Active
Links
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- 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
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
-
- 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
- F16H2007/0808—Extension coil springs
-
- 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
- F16H2007/0842—Mounting or support of tensioner
Abstract
The invention discloses a tensioner, comprising: a bottom plate; the lower end of the tensioner guide post is fixedly connected to the upper end surface of the bottom plate; the tensioner guide column body is placed in the tensioner guide column from the upper end of the tensioner guide column, and the outer wall of the tensioner guide column body is connected with the inner wall of the tensioner guide column in a sliding manner; the lower end surface of the tensioner guide cylinder is provided with three first through holes along the left-right direction of the tensioner guide cylinder, and the top of each first through hole is provided with a bolt fixing seat; the tail parts of the three positioning bolts penetrate through the bottom plate from bottom to top, and each positioning bolt penetrates into one first through hole; each tensioner cylinder is sleeved on one positioning bolt; each spring is positioned between the bolt fixing seat and the upper end face of the step part; the tensioner head is fixedly connected to the upper end face of the tensioner guide cylinder through a tensioner top seat. According to the invention, the spring is arranged in the guide post of the tensioner, so that the tension of the chain is adaptively adjusted through the telescopic adjusting function of the spring, and the chain is effectively adjusted.
Description
Technical Field
The invention relates to the technical field of tensioners, in particular to the technical field of tensioners.
Background
The transmission is loose due to the clearance of the chain and the installation, and the transmission efficiency is easy to be reduced after long-term use, so that the tensioner is arranged. The existing tensioner is complex in general structural design and complex in using steps; a tensioner configuration is thus now devised.
Disclosure of Invention
In view of the above-mentioned shortcomings, an object of the present invention is to provide a tensioner capable of conveniently and adaptively adjusting a chain.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a tensioner, comprising:
a bottom plate;
the lower end of the tensioner guide post is fixedly connected to the upper end face of the bottom plate;
a tensioner guide post body placed within the tensioner guide post from an upper end of the tensioner guide post, and an outer wall of the tensioner guide post body slidably connected to an inner wall of the tensioner guide post; the lower end face of the tensioner guide cylinder is provided with three first through holes along the left-right direction of the lower end face, and the top of each first through hole is provided with a bolt fixing seat;
the tail parts of the three positioning bolts penetrate through the bottom plate from bottom to top, each positioning bolt penetrates through the first through hole, and the tail part of each positioning bolt is opposite to the bolt fixing seat;
three tensioner cylinders, each of which is sleeved on one of the positioning bolts, and each of which is fixed on one of the positioning bolts; simultaneously, the tensioner guide post body is in sliding connection with three tensioner cylinders;
three springs, each of which is sleeved on the outer wall of one tensioner cylinder; the upper end of each spring is fixed on the bolt fixing seat, and the lower end of each spring is fixed on the upper end face of the stepped part of the tensioner cylinder;
the tensioner head is fixedly connected to the upper end face of the tensioner guide cylinder through a tensioner top seat.
The tensioner is characterized in that the tensioner top seat is a plate with a C-shaped section; the opening of tensioning ware footstock up, the lower terminal surface of tensioning ware footstock pass through four first screw fixed connection in the up end of tensioning ware guide body.
The tensioner, wherein the tensioner head comprises a tensioning part and a clamping part; the tensioning part is a cambered plate, the arc line of the tensioning part faces upwards, and the clamping and embedding part is arranged on the lower end face of the tensioning part; the clamping and embedding part is a plate with a convex section, the small end of the clamping and embedding part is fixed on the lower end face of the tensioning part, and the large end of the clamping and embedding part faces downwards; the clamping and embedding part slides into a groove of the top seat of the tensioner from one end of the top seat of the tensioner in the left-right direction.
The tensioner comprises two second screws, wherein the two second screws penetrate through the tensioner top seat from bottom to top into the tensioner head; and the two second screws are respectively positioned at two ends of the tensioner top seat in the left-right direction.
In the tensioner, two round holes are formed in the middle of the upper end face of the tensioner top seat, and each round hole penetrates into the groove; the two first screws are respectively positioned in one round hole.
The tensioner as described above, wherein each of the tensioner cylinders includes the step portion and the shaft portion; the upper end surface of the step part is provided with the shaft part; the upper end face of the shaft part is provided with a second through hole, and the second through hole penetrates through to the lower end face of the step part.
In the tensioner, one end face of the tensioner guide body in the front-rear direction is provided with a groove along the up-down direction.
The tensioner comprises a positioning plug, wherein the positioning plug is arranged on one end face of the tensioner guide post in the front-rear direction, and the positioning plug and the groove are positioned on the same side in the front-rear direction; the positioning plug penetrates into the groove.
With the technical scheme, the following beneficial effects can be achieved:
according to the invention, the spring is arranged in the guide post of the tensioner, so that the tension of the chain is adaptively adjusted through the telescopic adjusting function of the spring, and the chain is effectively adjusted.
Drawings
FIG. 1 is a front elevational view, in half section, of a tensioner of the present invention;
FIG. 2 is a side view of a tensioner of the present invention;
FIG. 3 is a top view of a tensioner top seat of a tensioner of the present invention;
FIG. 4 is a cross-sectional view of A-A of FIG. 3;
FIG. 5 is a front view of a tensioner of the present invention;
FIG. 6 is a cross-sectional view of B-B of FIG. 5;
fig. 7 is a cross-sectional view of a tensioner cylinder of a tensioner of the present invention.
In the accompanying drawings: 1. a bottom plate; 2. a tensioner guide post; 3. a tensioner guide post; 31. a first through hole; 311. a bolt fixing seat; 32. a groove; 33. positioning a plug; 4. positioning bolts; 5. a tensioner cylinder; 51. a step portion; 52. a shaft portion; 521. a second through hole; 6. a spring; 7. a tensioner head; 71. a tensioning part; 72. a clamping and embedding part; 8. a tensioner top seat; 81. a first screw; 82. a groove; 83. a second screw; 84. a round hole; 9. and (5) a label.
Detailed Description
The invention is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a front view, in half section, of a tensioner of the present invention. Fig. 2 is a side view of a tensioner of the present invention. FIG. 3 is a top view of a tensioner top seat of a tensioner of the present invention; fig. 4 is a cross-sectional view of A-A of fig. 3. Fig. 5 is a front view of a tensioner of the present invention. Fig. 6 is a sectional view of B-B of fig. 5. Fig. 7 is a cross-sectional view of a tensioner cylinder of a tensioner of the present invention.
Referring to fig. 1 to 7, in a preferred embodiment, a tensioner includes:
a base plate 1.
The tensioner guide post 2, the tensioner guide post 2 is the casing of both ends open-ended, and the lower extreme fixed connection of tensioner guide post 2 is in the up end of bottom plate 1.
The tensioner guide post body 3 is placed in the tensioner guide post 2 from the upper end of the tensioner guide post 2, and the outer wall of the tensioner guide post body 3 is connected with the inner wall of the tensioner guide post 2 in a sliding manner; the lower end surface of the tensioner guide post body 3 is provided with three first through holes 31 along the left-right direction, and the top of each first through hole 31 is provided with a bolt fixing seat 311.
The three positioning bolts 4 penetrate through the bottom plate 1 from bottom to top, and each positioning bolt 4 penetrates into one first through hole 31, and the tail of each positioning bolt 4 is opposite to one bolt fixing seat 311.
Three tensioner cylinders 5, each tensioner cylinder 5 being sleeved on one positioning bolt 4; and each tensioner cylinder 5 is fixed to one positioning bolt 4. Simultaneously, the tensioner guide post body 3 is slidingly connected with three tensioner cylinders 5.
Three springs 6, each spring 6 being fitted over the outer wall of one tensioner cylinder 5; the upper end of each spring 6 is fixed to the bolt fixing seat 311, and the lower end of each spring 6 is fixed to the upper end face of the stepped portion 51 of the tensioner cylinder 5.
The tensioner head 7, the tensioner head 7 is fixed connection in the up end of tensioner guide cylinder 3 through tensioner footstock 8.
The foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the embodiments and the protection scope of the present invention.
Further, in a preferred embodiment, the tensioner top seat 8 is a plate with a C-shaped cross section; the opening of the tensioner top seat 8 faces upwards, and the lower end surface of the tensioner top seat 8 is fixedly connected to the upper end surface of the tensioner guide body 3 through four first screws 81.
Further, in a preferred embodiment, tensioner head 7 includes a tensioning portion 71 and a snap-fit portion 72; the tensioning part 71 is a cambered plate, the arc line of the tensioning part 71 faces upwards, and the lower end surface of the tensioning part 71 is provided with a clamping and embedding part 72; the clamping and embedding part 72 is a plate with a convex section, the small end of the clamping and embedding part 72 is fixed on the lower end surface of the tensioning part 71, and the large end of the clamping and embedding part 72 faces downwards; the engaging portion 72 slides from one end of the tensioner top seat 8 in the lateral direction into the groove 82 of the tensioner top seat 8.
Further, in a preferred embodiment, two second screws 83 extend from bottom to top through the tensioner top seat 8 into the tensioner head 7; and two second screws 83 are respectively located at both ends of the tensioner top seat 8 in the left-right direction.
Further, in a preferred embodiment, two circular holes 84 are formed in the middle of the upper end surface of the tensioner top seat 8, and each circular hole 84 penetrates into the groove 82; two first screws 81 are each located in one circular hole 84.
Further, in a preferred embodiment, each tensioner cylinder 5 includes a step 51 and a shaft 52; the upper end surface of the step portion 51 is provided with a shaft portion 52; the upper end surface of the shaft portion 52 is provided with a second through hole 521, and the second through hole 521 penetrates the lower end surface of the stepped portion 51.
Further, in a preferred embodiment, a recess 32 is formed in one end face of the tensioner guide post body 3 in the front-rear direction in the up-down direction.
Further, in a preferred embodiment, the tensioner comprises a positioning plug 33, the positioning plug 33 is provided at one end face of the tensioner guide post 2 in the front-rear direction, and the positioning plug 33 and the groove 32 are located at the same side in the front-rear direction; the positioning plug 33 penetrates into the groove 32.
Further, in a preferred embodiment, the method comprises: a label 9, wherein the label 9 is arranged on one end face of the tensioner guide post body 3 in the front-rear direction, and the label 9 and the groove 32 are positioned on the same end face; the upper part of the label 9 is green, the middle part of the label 9 is yellow, and the lower part of the label 9 is red. The spring 6 is in an operating state when the tensioner guide post body 3 is only exposed to green, the spring 6 is in an early warning state when the tensioner guide post body 3 is exposed to yellow, and the spring 6 is in a dangerous state when the tensioner guide post body 3 is exposed to red.
In addition to the above embodiments, the present invention also has the following working methods:
when in use, the bottom plate is fixed on the chain mechanism, and the tensioner head 7 is arranged under the chain of the chain mechanism; when the tensioning force of the chain is insufficient, the lower pressure of the tensioner head 7 is insufficient, so that the elastic force of the spring 6 is larger than the lower pressure, the tensioner head 7 is lifted by the elastic force of the spring 6, the chain is tightened, and the tensioning force of the chain is improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention and is not intended to limit the embodiments and scope of the present invention, and it should be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present invention, and are intended to be included in the scope of the present invention.
Claims (4)
1. A tensioner, comprising:
a bottom plate;
the lower end of the tensioner guide post is fixedly connected to the upper end face of the bottom plate;
a tensioner guide post body placed within the tensioner guide post from an upper end of the tensioner guide post, and an outer wall of the tensioner guide post body slidably connected to an inner wall of the tensioner guide post; the lower end face of the tensioner guide cylinder is provided with three first through holes along the left-right direction of the lower end face, and the top of each first through hole is provided with a bolt fixing seat;
the tail parts of the three positioning bolts penetrate through the bottom plate from bottom to top, each positioning bolt penetrates through the first through hole, and the tail part of each positioning bolt is opposite to the bolt fixing seat;
three tensioner cylinders, each of which is sleeved on one of the positioning bolts, and each of which is fixed on one of the positioning bolts; simultaneously, the tensioner guide post body is in sliding connection with three tensioner cylinders;
three springs, each of which is sleeved on the outer wall of one tensioner cylinder; the upper end of each spring is fixed on the bolt fixing seat, and the lower end of each spring is fixed on the upper end face of the stepped part of the tensioner cylinder;
the tensioner head is fixedly connected to the upper end face of the tensioner guide cylinder through a tensioner top seat;
the tensioner top seat is a plate with a C-shaped section; the opening of the top seat of the tensioner faces upwards, and the lower end face of the top seat of the tensioner is fixedly connected to the upper end face of the guide cylinder of the tensioner through four first screws respectively;
the tensioner head includes a tensioning portion and a clamping portion; the tensioning part is a cambered plate, the arc line of the tensioning part faces upwards, and the clamping and embedding part is arranged on the lower end face of the tensioning part; the clamping and embedding part is a plate with a convex section, the small end of the clamping and embedding part is fixed on the lower end face of the tensioning part, and the large end of the clamping and embedding part faces downwards; the clamping and embedding part slides into a groove of the top seat of the tensioner from one end of the top seat of the tensioner in the left-right direction;
wherein, one end face of the tensioner guide post body in the front-back direction is provided with a groove along the up-down direction;
the positioning plug is arranged on one end face of the tensioner guide post in the front-rear direction, and the positioning plug and the groove are positioned on the same side in the front-rear direction; the positioning plug penetrates into the groove.
2. The tensioner of claim 1 wherein two second screws extend through the tensioner top seat from bottom to top into the tensioner head; and the two second screws are respectively positioned at two ends of the tensioner top seat in the left-right direction.
3. The tensioner as claimed in claim 1, wherein two circular holes are formed in a middle portion of an upper end surface of the tensioner top seat, each of the circular holes penetrating into the groove; the two first screws are respectively positioned in one round hole.
4. The tensioner of claim 1 wherein each tensioner cylinder comprises the step and shaft; the upper end surface of the step part is provided with the shaft part; the upper end face of the shaft part is provided with a second through hole, and the second through hole penetrates through to the lower end face of the step part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355076.4A CN108397526B (en) | 2018-04-19 | 2018-04-19 | Tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355076.4A CN108397526B (en) | 2018-04-19 | 2018-04-19 | Tensioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108397526A CN108397526A (en) | 2018-08-14 |
| CN108397526B true CN108397526B (en) | 2024-01-16 |
Family
ID=63100218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810355076.4A Active CN108397526B (en) | 2018-04-19 | 2018-04-19 | Tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108397526B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB761819A (en) * | 1954-07-15 | 1956-11-21 | Smith & Davis Ltd | Improvements in or relating to spring catches for doors and the like |
| JPH06260329A (en) * | 1993-03-05 | 1994-09-16 | Toshiba Corp | Fixing structure for ground coil |
| JP3072252U (en) * | 2000-04-04 | 2000-10-06 | 明福 郭 | Single leg scooter folding structure |
| US6264578B1 (en) * | 1998-06-26 | 2001-07-24 | Unitta Company | Belt tensioner with vibration damping function |
| JP2007218372A (en) * | 2006-02-17 | 2007-08-30 | Ntn Corp | Chain tensioner |
| JP2007239822A (en) * | 2006-03-07 | 2007-09-20 | Ntn Corp | Hydraulic automatic tensioner |
| JP2011161471A (en) * | 2010-02-08 | 2011-08-25 | Tokyo Hatsujo Seisakusho:Kk | Method of preventing breaking of coil spring |
| CN205824061U (en) * | 2016-06-22 | 2016-12-21 | 玉环常捷机械有限公司 | A kind of engine timing chain stretcher |
| CN205824070U (en) * | 2016-06-22 | 2016-12-21 | 玉环常捷机械有限公司 | A kind of fluid pressure type timing chain tensioner |
| CN205824064U (en) * | 2016-06-22 | 2016-12-21 | 玉环常捷机械有限公司 | A kind of chain tensioning device |
| JP2018017351A (en) * | 2016-07-29 | 2018-02-01 | 株式会社Ｓｕｂａｒｕ | Chain Tensioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9605732B2 (en) * | 2013-07-10 | 2017-03-28 | Borgwarner, Inc. | Expanding piston hydraulic chain tensioner |
-
2018
- 2018-04-19 CN CN201810355076.4A patent/CN108397526B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB761819A (en) * | 1954-07-15 | 1956-11-21 | Smith & Davis Ltd | Improvements in or relating to spring catches for doors and the like |
| JPH06260329A (en) * | 1993-03-05 | 1994-09-16 | Toshiba Corp | Fixing structure for ground coil |
| US6264578B1 (en) * | 1998-06-26 | 2001-07-24 | Unitta Company | Belt tensioner with vibration damping function |
| JP3072252U (en) * | 2000-04-04 | 2000-10-06 | 明福 郭 | Single leg scooter folding structure |
| JP2007218372A (en) * | 2006-02-17 | 2007-08-30 | Ntn Corp | Chain tensioner |
| JP2007239822A (en) * | 2006-03-07 | 2007-09-20 | Ntn Corp | Hydraulic automatic tensioner |
| JP2011161471A (en) * | 2010-02-08 | 2011-08-25 | Tokyo Hatsujo Seisakusho:Kk | Method of preventing breaking of coil spring |
| CN205824061U (en) * | 2016-06-22 | 2016-12-21 | 玉环常捷机械有限公司 | A kind of engine timing chain stretcher |
| CN205824070U (en) * | 2016-06-22 | 2016-12-21 | 玉环常捷机械有限公司 | A kind of fluid pressure type timing chain tensioner |
| CN205824064U (en) * | 2016-06-22 | 2016-12-21 | 玉环常捷机械有限公司 | A kind of chain tensioning device |
| JP2018017351A (en) * | 2016-07-29 | 2018-02-01 | 株式会社Ｓｕｂａｒｕ | Chain Tensioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108397526A (en) | 2018-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2955860A1 (en) | Connecting clamp for template splicing | |
| CN108397526B (en) | Tensioning device | |
| CN108386502B (en) | Tensioning device | |
| CN201071235Y (en) | Safety locking device for mine hoisting hanging cradle | |
| CN110424553B (en) | Steel structure connecting piece | |
| CN210799617U (en) | Connecting sleeve rod with good positioning effect | |
| CN106050793A (en) | External locking oil cylinder | |
| CN214118833U (en) | Damping support is used in steel processing | |
| CN211202523U (en) | Clamp spring rod easy to assemble retaining ring | |
| CN219524198U (en) | Marine fender convenient to install | |
| CN205226249U (en) | Machinery overspeed device tensioner | |
| CN103643766A (en) | Tensioning connection piece used for steel structure | |
| CN217808323U (en) | Lifting hook with cap | |
| CN220612936U (en) | Anti-collision block press-fitting device of H-shaped control arm of automotive suspension | |
| CN108622767B (en) | Rope head combination device of traction rope of elevator car | |
| CN216643679U (en) | Hydraulic engineering is auxiliary fixture for electromechanical device | |
| CN211059185U (en) | Anti-loose hinge structure of engineering machinery | |
| CN215967283U (en) | Rope wheel bearing installation press-in machine | |
| CN210025104U (en) | Quick-release bow-shaped shackle mounting box | |
| CN211521345U (en) | Tool for hoisting round-head hanging nail of precast concrete member | |
| CN211924619U (en) | Pneumatic finger cylinder | |
| CN219746553U (en) | Positioning device for connecting rod neck of gear shaper | |
| CN211192141U (en) | Bidirectional composite angle guide die | |
| CN219685413U (en) | Mounting device applied to opening elastic sealing ring | |
| CN217080971U (en) | Safety cylinder with overflow structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |