CN204226582U - Fixed stretcher - Google Patents
Fixed stretcher Download PDFInfo
- Publication number
- CN204226582U CN204226582U CN201420633686.3U CN201420633686U CN204226582U CN 204226582 U CN204226582 U CN 204226582U CN 201420633686 U CN201420633686 U CN 201420633686U CN 204226582 U CN204226582 U CN 204226582U
- Authority
- CN
- China
- Prior art keywords
- adjusting bolt
- belt wheel
- retaining sheet
- connecting rod
- hole
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of fixed stretcher, it comprises: the fixing frame in L-type, and it comprises the base portion with through hole and is connected with base portion is vertical and has the sidepiece of regulating tank; Through the adjusting bolt of through hole, it comprises screw part and spiral shell afterbody; To be installed on sidepiece and the belt wheel that be connected adjustable with adjusting bolt; And to be arranged between adjusting bolt and belt wheel and to make belt wheel can along the adjusting part of regulating tank movement, it also comprises a retaining sheet, and the spiral shell afterbody of described retaining sheet and adjusting bolt lays respectively at the both sides up and down of base portion.The utility model comes off downwards when can prevent adjusting bolt from installing from bottom to top, and without the need to modifying to existing product, the retaining sheet structure increased is simple, with low cost, is convenient to user operation and uses.
Description
Technical field
The utility model relates to a kind of fixed stretcher, particularly relates to a kind of fixed stretcher being applied to engine accessory wheel system.
Background technique
Usually by driving component, power is passed to each annex from main shaft in machinery or motor car engine.Wherein driving component is generally chain or belt, for belt, in belt using process, need to carry out tightening belt by arranging stretcher, make belt after a long time use, still can, with suitable tension transferring power in train, in part train, fixed stretcher be wherein used to carry out tightening belt.
With reference to Fig. 1 of CN202017740U, there is disclosed a kind of Manual belt tensioning device, comprise adjusting pole 1, auxiliary adjusting pole 2, adjustment bolt 3 and connecting bolt, the auxiliary right angle walls of auxiliary adjusting pole there is bolt hole 2d respectively, when initially installing, adjustment bolt 3 is passing bolt hole 2d, and when being not yet threaded with nut 7, because this adjustment bolt 3 is cross settings, so adjustment bolt can not come off from bolt hole 2d.But in other structures, Idle wheel may be vertically arrange, and the hexagonal spiral shell tail of adjustment bolt 3 down, then when initially installing, bolt may come off from bolt hole 2d, increases the difficulty of assembling.
For above-mentioned situation, with reference to CN201705872U, adjusting screw rod 5 is designed a position-arresting disk 51 by its proposition, corresponding, bolt hole 12 is designed to U-type groove hole, then position-arresting disk 51 can prevent screw rod 5 from coming off from slotted eye.But screw rod is special spiral rod in this design proposal, manufacture difficulty increases, and adds purchase cost; Meanwhile, U-type groove hole also can increase manufacture difficulty and manufacture cost.
Therefore, be necessary to provide a kind of fixed stretcher to carry out tightening belt, its structure with improvement can prevent adjusting bolt from coming off when mounted, and manufacture cost is lower.
Model utility content
The utility model object is: provide a kind of fixed stretcher, and its structure with improvement can prevent adjusting bolt from coming off when mounted.
The technical solution of the utility model is: a kind of fixed stretcher, and it comprises: the fixing frame in L-type, and it comprises the base portion with through hole and is connected with base portion is vertical and has the sidepiece of regulating tank; Through the adjusting bolt of through hole, it comprises screw part and spiral shell afterbody; To be installed on sidepiece and the belt wheel that be connected adjustable with adjusting bolt; And to be arranged between adjusting bolt and belt wheel and to make belt wheel can along the adjusting part of regulating tank movement, it also comprises a retaining sheet, and the spiral shell afterbody of described retaining sheet and adjusting bolt lays respectively at the both sides up and down of base portion.
On the basis of technique scheme, comprise following attached technological scheme further:
Described retaining sheet be annular or C type, and with adjusting bolt interference fit.
Described retaining sheet is plastic material or metal material.
Described retaining sheet is that plastic annular part is made, comprise allow adjusting bolt to pass center hole, to be connected with center hole and circumferencial direction several through slots spaced, by adjacent two through slot gap-formings and with several holding sections of adjusting bolt interference fit.
The U-shaped retaining sheet of described retaining sheet, and resiliently deformable ground is clamped in adjusting bolt.
Described adjusting part comprises a regualting frame and a connecting rod be arranged on joinably between regualting frame and belt wheel, this regualting frame be L-type and comprise the horizontal part corresponding with the base portion of fixing frame, corresponding with the sidepiece of fixing frame and with the vertical portion that is connected of horizontal part one, wherein horizontal part is provided with the tapped hole allowing the screw part of adjusting bolt to pass, and vertical portion is provided with the attachment hole allowing one end of connecting rod to pass.
Also comprise a connecting rod be arranged on joinably between regualting frame and belt wheel, regulating tank and the attachment hole of sidepiece are passed in described connecting rod one end, and are fixedly connected with by the first nut is adjustable.
The other end of described connecting rod is fixedly connected with by the second nut with belt wheel.
Described connecting rod comprises and is wholely set thereon and makes to keep between sidepiece and belt wheel the flange in gap.
Described adjusting part comprises through belt wheel and along the connecting rod of regulating tank movement, and this connecting rod is provided with the tapped hole that be connected adjustable with adjusting bolt.
Described adjusting part comprises the regualting frame that is N or Z-type.
The utility model advantage is:
The utility model comes off downwards when can prevent adjusting bolt from installing from bottom to top, and without the need to modifying to existing product, the retaining sheet structure increased is simple, with low cost, is convenient to user operation and uses.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is exploded view of the present utility model;
Fig. 2 is three-dimensional assembly diagram of the present utility model;
Fig. 3 is the side view of Fig. 2;
Fig. 4 is the sectional view of Fig. 3 along A-A line;
Fig. 5 is the plan view of retaining sheet in the utility model.
Wherein: 10, fixing frame; 12, base portion; 14, sidepiece; 20, adjusting bolt; 22, screw part; 24, spiral shell afterbody; 30, regualting frame; 32, tapped hole; 34, attachment hole; 40, retaining sheet; 42, center hole; 44, through slot; 46, holding section; 50, belt wheel; 60, connecting rod; 61, flange; 62, the first nut; 64, the second nut; 120, through hole; 140, regulating tank.
Embodiment
Embodiment: as Figure 1-5, the utility model provides a kind of specific embodiment of fixed stretcher, and it comprises: the fixing frame 10 in L-type, and it comprises the base portion 12 with through hole 120 and is connected with base portion 12 is vertical and has the sidepiece 14 of regulating tank 140; Through the adjusting bolt 20 of through hole 120, it comprises screw part 22 and spiral shell afterbody 24; To be installed on sidepiece 14 and the belt wheel 50 that be connected adjustable with adjusting bolt 20; And to be arranged between adjusting bolt 20 and belt wheel 50 and to make belt wheel 50 can along the adjusting part of regulating tank 140 movement, it also comprises a retaining sheet 40, and described retaining sheet 40 and the spiral shell afterbody 24 of adjusting bolt 20 lay respectively at the both sides up and down of base portion 12.In the present embodiment, adjusting part comprises a regualting frame 30 and a connecting rod 60 be arranged on joinably between regualting frame 30 and belt wheel 50, and belt wheel 50 is connected with adjusting bolt 20 is adjustable by connecting rod 60, regualting frame 30 in L-type; For reducing costs further and simplified structure, adjusting part also can adopt and omit the mode of regualting frame, and namely connecting rod 60 arranges tapped hole and is directly connected with adjusting bolt 20 is adjustable, can realize the utility model object too; In other embodiments, the regualting frame in adjusting part can adopt regualting frame that is Z-shaped or N-type to connect belt wheel 50 and adjusting bolt 20 too, to replace existing regualting frame 30 and connecting rod 60, and reduces costs.
Fixing frame 10 is roughly in L-type, its base portion 12 and sidepiece 14 are for intersecting vertically, base portion 12 is preferably substantially horizontal and extends, and sidepiece 14 is preferably Vertical direction extension, wherein base portion 12 has through hole 120, sidepiece 14 then has the regulating tank 140 extended in the vertical direction, and regulating tank 140 allows one end of connecting rod 60 to pass.
Adjusting bolt 20 comprises screw part 22 and spiral shell afterbody 24, and screw part 22 is in upside, spiral shell afterbody 24 is in downside, screw part 22 upwards passes through hole 120 successively by the lower surface of base portion 12, pass retaining sheet 40 again and be connected by tapped hole 32 is adjustable with regualting frame 30, retaining sheet 40 and spiral shell afterbody 24 lay respectively at the both sides up and down of base portion 12.
Regualting frame 30 is also in L-type, and it comprises the horizontal part 31 corresponding with the base portion 12 of fixing frame 10, and the vertical portion 33 that with horizontal part 31 be integrally connected corresponding with the sidepiece 14 of fixing frame 10.Wherein horizontal part 31 is provided with the tapped hole 32 allowing the screw part 22 of adjusting bolt 20 to pass, and vertical portion 33 is provided with the attachment hole 34 allowing one end of connecting rod 60 to pass.
Retaining sheet 40 is flexible, the parts that can be stuck in the screw part 22 of adjusting bolt 20, it can be such as that steel wire is bent into, generally u-shaped elasticity retaining sheet, also can be the retaining sheet of an annular or C type, also can be the retaining sheet that other industries are known.When retaining sheet 40 is U-shaped elastic component, it is clamped in adjusting bolt is realized holding function by resiliently deformable.Annular or C type retaining sheet can be plastic material, metal material or other materials, preferred steel in metal material.Be described in detail for the retaining sheet of annular plastics material below, as shown in Figure 5, the annular retaining sheet 40 that plastics are made comprise allow adjusting bolt 20 to pass center hole 42, to be connected with center hole 42 and circumferencial direction several through slots 44 spaced, by adjacent two through slot 44 gap-formings and with several holding sections 46 of adjusting bolt 20 interference fit.Retaining sheet 40 is arranged on above the base portion 12 of fixing frame 10, and holding section 46 is held in the screw part of adjusting bolt 20, and make the power that holds between retaining sheet 40 and adjusting bolt 20 be greater than the gravity of adjusting bolt 20, prevent adjusting bolt 20 from coming off from through hole 120 thus.
Connecting rod 60 comprises and is wholely set thereon and makes to keep between sidepiece 14 and belt wheel 50 flange 61 in gap.
The utility model further comprise the first nut 62 of being respectively in sidepiece 14 both sides with belt wheel 50 and with belt wheel 50 be arranged on sidepiece 14 the same side and the second nut 64 be connected with connecting rod 60 the other end with fixed pulley 50, wherein the first nut 62 is fixedly connected with one end of connecting rod 60 is adjustable, and belt wheel 50 is between flange 61 and the second nut 64, attachment hole 34 is between the first nut 62 and sidepiece 14.Adjusting bolt 20 is indirectly connected with belt wheel 50 is adjustable by the parts such as regualting frame 30, connecting rod 60 thus.
Adopt the utility model, increase above base portion 12 one with the retaining sheet 40 of adjusting bolt 20 interference fit, before adjusting bolt 20 coordinates with tapped hole 32, first by retaining sheet 40, adjusting bolt 20 is held on the through hole 120 of fixing frame 10, this avoid adjusting bolt 20 through through hole 120, and tapped hole 32 not yet coordinates with adjusting bolt 20, the situation that adjusting bolt 20 can come off downwards from tapped hole 32, therefore the utility model is not only without the need to modifying to existing product, and retaining sheet 40 structure is simple, with low cost.In assembly process, can use machinery or manually directly be fitted in adjusting bolt 20 by retaining sheet 40, easy to assembly, be convenient to user operation and use, and installation time is extremely short, manufacturing efficiency is high.In using, the position of the parts such as regualting frame 30, connecting rod 60, belt wheel 50, first nut 62, second nut 64 is regulated by rotating adjusting bolt 20, above-mentioned parts are made to move to precalculated position along regulating tank 140, screw fastening by the first nut 62 with connecting rod 60 again, the tensioning realizing belt is thus adjustable.
Certain above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to the Spirit Essence of the utility model main technical schemes or modification, all should be encompassed within protection domain of the present utility model.
Claims (10)
1. a fixed stretcher, comprise: the fixing frame (10) in L-type, it comprises the base portion (12) with through hole (120) and is connected with base portion (12) is vertical and has the sidepiece (14) of regulating tank (140); Through the adjusting bolt (20) of through hole (120), it comprises screw part (22) and spiral shell afterbody (24); Be installed on sidepiece (14) to go up and the belt wheel (50) that be connected adjustable with adjusting bolt (20); And to be arranged between adjusting bolt (20) and belt wheel (50) and to make belt wheel (50) can along the adjusting part of regulating tank (140) movement, it is characterized in that: also comprise a retaining sheet (40), described retaining sheet (40) lays respectively at the both sides up and down of base portion (12) with the spiral shell afterbody (24) of adjusting bolt (20).
2. fixed stretcher as claimed in claim 1, is characterized in that: described retaining sheet (40) for annular or C type, and with adjusting bolt (20) interference fit.
3. fixed stretcher as claimed in claim 2, is characterized in that: described retaining sheet (40) is plastic material or metal material.
4. fixed stretcher as claimed in claim 3, it is characterized in that: described retaining sheet (40) is made for plastic annular part, comprise allow adjusting bolt (20) to pass center hole (42), to be connected with center hole (42) and circumferencial direction several through slots spaced (44), by adjacent two through slots (44) gap-forming and with several holding sections (46) of adjusting bolt (20) interference fit.
5. fixed stretcher as claimed in claim 1, is characterized in that: described retaining sheet (40) U-shaped retaining sheet, and resiliently deformable ground is clamped in adjusting bolt (20).
6. the fixed stretcher as described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described adjusting part comprises a regualting frame (30) and a connecting rod (60) be arranged on joinably between regualting frame (30) and belt wheel (50), this regualting frame (30) is in L-type and comprise and the horizontal part (31) of the screw part screw-thread fit of adjusting bolt (20) and the vertical portion (33) that is fixedly connected with belt wheel (50), horizontal part (31) is provided with the tapped hole (32) coordinated with screw part, and vertical portion (33) are provided with the attachment hole (34) allowing one end of connecting rod (60) to pass, regulating tank (140) and the attachment hole (34) of sidepiece (14) are passed in described connecting rod (60) one end, and be fixedly connected with belt wheel (50) is adjustable by the first nut (62).
7. fixed stretcher as claimed in claim 6, is characterized in that: the other end of described connecting rod (60) is fixedly connected with by the second nut (64) with belt wheel (50).
8. fixed stretcher as claimed in claim 7, is characterized in that: described connecting rod (60) comprises and is wholely set thereon and makes to keep between sidepiece (14) and belt wheel (50) flange (61) in gap.
9. the fixed stretcher as described in claim 1 or 2 or 3 or 4 or 5, it is characterized in that: described adjusting part comprises through belt wheel (50) and along the connecting rod (60) of regulating tank (140) movement, and this connecting rod (60) is provided with the tapped hole that be connected adjustable with adjusting bolt (20).
10. the fixed stretcher as described in claim 1 or 2 or 3 or 4 or 5, is characterized in that: described adjusting part comprises the regualting frame (30) that is N or Z-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420633686.3U CN204226582U (en) | 2014-10-29 | 2014-10-29 | Fixed stretcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420633686.3U CN204226582U (en) | 2014-10-29 | 2014-10-29 | Fixed stretcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226582U true CN204226582U (en) | 2015-03-25 |
Family
ID=52924681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420633686.3U Expired - Fee Related CN204226582U (en) | 2014-10-29 | 2014-10-29 | Fixed stretcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204226582U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984927A (en) * | 2015-07-12 | 2015-10-21 | 安徽捷迅光电技术有限公司 | Positioning adjustment device for driving wheel |
| CN106641140A (en) * | 2017-03-03 | 2017-05-10 | 安徽江淮纳威司达柴油发动机有限公司 | Engine belt tensioning adjusting mechanism |
| CN107351388A (en) * | 2017-07-19 | 2017-11-17 | 广西数仿科技有限公司 | A kind of 3D printer timing belt clamping system |
-
2014
- 2014-10-29 CN CN201420633686.3U patent/CN204226582U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104984927A (en) * | 2015-07-12 | 2015-10-21 | 安徽捷迅光电技术有限公司 | Positioning adjustment device for driving wheel |
| CN106641140A (en) * | 2017-03-03 | 2017-05-10 | 安徽江淮纳威司达柴油发动机有限公司 | Engine belt tensioning adjusting mechanism |
| CN106641140B (en) * | 2017-03-03 | 2018-06-26 | 安徽江淮纳威司达柴油发动机有限公司 | A kind of dynamo belt tensioner regulating mechanism |
| CN107351388A (en) * | 2017-07-19 | 2017-11-17 | 广西数仿科技有限公司 | A kind of 3D printer timing belt clamping system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150325 Termination date: 20211029 |