CN214875382U - Tensioning device convenient for installation of synchronous belt and chain - Google Patents
Tensioning device convenient for installation of synchronous belt and chain Download PDFInfo
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- CN214875382U CN214875382U CN202121478878.8U CN202121478878U CN214875382U CN 214875382 U CN214875382 U CN 214875382U CN 202121478878 U CN202121478878 U CN 202121478878U CN 214875382 U CN214875382 U CN 214875382U
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Abstract
A tensioning device convenient for mounting a synchronous belt and a chain comprises a frame, an upright post arranged in the center of the frame and a wheel cover arranged at the lower end of the upright post, wherein a left upper supporting arm and a right upper supporting arm are arranged on the left side and the right side of the rear part of the upper end of the upright post; a left lower supporting arm positioned below the left upper supporting arm and a right lower supporting arm positioned below the right upper supporting arm are arranged on the left side and the right side behind the wheel cover; the rear ends of the left upper support arm and the right upper support arm are inclined downwards; the left upper supporting arm, the left lower supporting arm and the upright post are enclosed to form a triangle; the right upper supporting arm, the right lower supporting arm and the upright post are enclosed to form a triangle; and a fixing block is arranged at the rear end of the upper right supporting arm. The utility model discloses a overspeed device tensioner convenient to hold-in range and chain installation not only can accomplish the installation of chain fast, and can make the chain keep the state at the tensioning according to the tensioning degree of actual required quick adjustment chain.
Description
Technical Field
The utility model relates to a overspeed device tensioner, especially a overspeed device tensioner convenient to hold-in range and chain installation.
Background
The bicycle refers to the small-size land vehicle of two wheels or tricycle, and electric bicycle is then one kind of bicycle, no matter bicycle or electric bicycle, the frame center is equipped with the action wheel, erect the rear wheel center side of frame rear side and be equipped with from the driving wheel, the action wheel is connected through hold-in range or chain from between the driving wheel, personnel trample the bicycle pedal through trampling drive action wheel rotatory back by bike, under the effect of hold-in range or chain, take place rotatoryly from the driving wheel thereupon, thereby it takes place rotatoryly to drive the rear wheel, realize advancing of bicycle.
The rear wheel is erected in the rear end of the frame through a rear wheel shaft, so that the driven wheel is also positioned in the rear end of the frame, if the synchronous belt is connected between the driving wheel and the driven wheel, the synchronous belt is annular, the driven wheel is positioned in the rear end of the frame, the installation of the synchronous belt is extremely difficult to complete without any gap capable of being clamped, if the chain is connected between the driving wheel and the driven wheel, the chain can be only completed in a long-chain state, one end of the chain is firstly inserted into the rear end of the frame, then the chain surrounds the driven wheel, then the chain is drawn forwards and surrounds the driving wheel, and finally the two ends of the chain are connected by using the chain connector, so that the connection process is extremely troublesome, the tensioning degree of the chain in matching with the driving wheel and the driving wheel is difficult to grasp, and the distance between the axis of the driving wheel and the axis of the driven wheel of the traditional bicycle is unchanged, once the chain is in not hard up state after the installation, just need dismantle the chain once more, reconnect, lead to whole installation chain's process very troublesome, efficiency is extremely low.
Disclosure of Invention
The utility model aims to solve the current technical problem and provide a overspeed device tensioner convenient to hold-in range and chain installation, it not only can accomplish the installation of hold-in range or chain fast, and can make hold-in range or chain keep the state at the tensioning according to the tensioning degree of actual required quick adjustment chain.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model discloses a overspeed device tensioner convenient to installation of hold-in range and chain, including the frame, locate the stand at frame center and locate the wheel cap of stand lower extreme, its characterized in that: the left and right sides of the rear part of the upper end of the upright post are provided with a left upper supporting arm and a right upper supporting arm; a left lower supporting arm positioned below the left upper supporting arm and a right lower supporting arm positioned below the right upper supporting arm are arranged on the left side and the right side behind the wheel cover; the rear ends of the left upper support arm and the right upper support arm are inclined downwards; the left upper supporting arm, the left lower supporting arm and the upright post are enclosed to form a triangle; the right upper supporting arm, the right lower supporting arm and the upright post are enclosed to form a triangle; a fixed block is arranged at the rear end of the right upper supporting arm; the rear end of the right lower supporting arm is provided with a right adjusting seat; a disassembly arm matched with the fixed block extends from the rear end of the right adjusting seat towards the direction of the fixed block, and the disassembly arm and the fixed block are fixed through screws; the right adjusting seat is provided with a right adjusting structure matched with the right adjusting seat; and a left adjusting structure is arranged between the rear end of the upper left supporting arm and the rear end of the lower left supporting arm.
The right adjusting structure comprises a right sliding chute arranged on the left side wall of the right adjusting seat, and the right sliding chute is spread to the disassembling arm; a right tensioning seat matched with the right sliding chute is arranged in the right sliding chute; a first right adjusting hole communicated with the right sliding groove is formed in the side wall of the right side of the right adjusting seat; a second right adjusting hole communicated with the right chute is formed in the side wall of the right side of the disassembling arm and is parallel to the first right adjusting hole; the first right adjusting hole and the second right adjusting hole are waist-shaped holes; a first right sliding block matched with the first right adjusting hole and a second right sliding block matched with the second right adjusting hole are arranged on the right side wall of the right tensioning seat; the right side wall of the first right sliding block and the right side wall of the second right sliding block are provided with a plurality of right fastening screw holes which are uniformly distributed; the rear end of the right tensioning seat is provided with a right rear axle positioning part, and the lower surface of the right rear axle positioning part is provided with a right axle groove.
A guide step is formed between the side wall of the right side of the disassembling arm and the bottom of the right sliding groove; the upper side wall of the rear end of the right tensioning seat is attached to the guide step; and the lower side wall of the front end of the right tensioning seat is attached to the wall of the right sliding groove.
The side wall of the left side of the fixed block is provided with an installation step; the front end of the disassembling arm is provided with an installation part matched with the installation step, and the installation step and the installation part are fixed through screws.
The left adjusting structure comprises a left adjusting seat arranged between the rear end of the upper left supporting arm and the rear end of the lower left supporting arm, and the left adjusting seat is V-shaped; the right side wall of the left adjusting seat is provided with a left sliding chute; a first left adjusting hole and a second left adjusting hole are formed in the side wall of the left side of the left adjusting seat, the second left adjusting hole is located above and behind the first left adjusting hole, and the second left adjusting hole is parallel to the first left adjusting hole; the first left adjusting hole and the second left adjusting hole are waist-shaped holes; the first left adjusting hole and the second left adjusting hole are communicated with the left sliding chute; a left tensioning seat matched with the left sliding groove is arranged in the left sliding groove; a first left sliding block matched with the first left adjusting hole and a second left sliding block matched with the second left adjusting hole are arranged on the side wall of the left tensioning seat; the left side wall of the first left sliding block and the left side wall of the second left sliding block are provided with a plurality of left fastening screw holes which are uniformly distributed; the rear end of the left tensioning seat is provided with a left rear axle positioning part, and the lower surface of the left rear axle positioning part is provided with a left axle groove coaxial with the right axle groove.
The lower side wall of the front end of the left tensioning seat is attached to the lower side wall of the left sliding chute; the lateral wall of left side tensioning seat rear end upside is laminated with the cell wall of left spout rear top mutually.
The rear ends of the left upper supporting arm, the left lower supporting arm and the end part of the left adjusting seat are connected by welding; and the fixing block and the rear end of the upper right supporting arm and the front end of the right adjusting seat and the rear end of the lower right supporting arm are connected through welding.
The upper left supporting arm and the upper right supporting arm are integrally formed to form a rear fixing frame, and the rear fixing frame is V-shaped.
The utility model has the advantages that:
compared with the prior art, the disassembly arm of the tensioning device which adopts the structure of the utility model and is convenient for installing the synchronous belt and the chain is fixed with the fixed block through the screw, therefore, after the screw is loosened, a gap can be formed between the disassembling arm and the fixing block, the annular chain can be easily installed into the frame by utilizing the gap, the connection between the driven wheel and the driving wheel can be rapidly completed, the condition that a large amount of time is consumed by using a synchronous belt or chain for connection is effectively avoided, the installation efficiency of the synchronous belt or chain is effectively improved, when the tensioning degree needs to be adjusted after the synchronous belt or the chain is installed, the adjustment of the tensioning degree of the synchronous belt or the chain can be quickly completed only by adjusting the positions of the left tensioning seat and the right tensioning seat, therefore, the synchronous belt or the annular chain is kept in a tensioning state after the installation is finished, and the use performance of the bicycle and the electric bicycle is effectively guaranteed.
Drawings
FIG. 1 is a schematic view of an angle of the tensioning device of the present invention to facilitate synchronous belt and chain installation;
FIG. 2 is a schematic view of another angle of the tensioning device of the present invention to facilitate synchronous belt and chain installation;
FIG. 3 is a schematic view of an angle of the right adjustment structure;
FIG. 4 is a schematic view of another angle of the right adjustment structure;
FIG. 5 is a schematic view of an angle of the left adjustment structure;
fig. 6 is a schematic view of another angle of the left adjustment structure.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 6, the utility model provides a tensioning device convenient for installing a synchronous belt and a chain, which comprises a frame 1, a vertical column 2 arranged at the center of the frame 1 and a wheel cover 3 arranged at the lower end of the vertical column 2, wherein a left upper support arm 4 and a right upper support arm 5 are arranged at the left side and the right side of the rear upper end of the vertical column 2; a left lower supporting arm 6 positioned below the left upper supporting arm 4 and a right lower supporting arm 7 positioned below the right upper supporting arm 5 are arranged on the left side and the right side behind the wheel cover 3; the rear ends of the left upper supporting arm 4 and the right upper supporting arm 5 are inclined downwards; the left upper supporting arm 4, the left lower supporting arm 6 and the upright post 2 are enclosed to form a triangle; the right upper supporting arm 5, the right lower supporting arm 7 and the upright post 2 are enclosed to form a triangle; the rear end of the right upper supporting arm 5 is provided with a fixed block 8; the rear end of the right lower supporting arm 7 is provided with a right adjusting seat 9; a disassembly arm 10 matched with the fixing block 8 extends from the rear end of the right adjusting seat 9 towards the fixing block 8, and the disassembly arm 10 and the fixing block 8 are fixed through screws; the right adjusting seat 9 is provided with a right adjusting structure matched with the right adjusting seat; a left adjusting structure is arranged between the rear end of the upper left supporting arm 4 and the rear end of the lower left supporting arm 6.
The right adjusting structure comprises a right sliding chute 11 arranged on the left side wall of the right adjusting seat 9, and the right sliding chute 11 extends to the disassembling arm 10; a right tensioning seat 12 matched with the right sliding groove 11 is arranged in the right sliding groove; a first right adjusting hole 13 communicated with the right chute 11 is formed in the right side wall of the right adjusting seat 9; a second right adjusting hole 14 communicated with the right chute 11 is formed in the side wall of the right side of the disassembling arm 10, and the second right adjusting hole 14 is parallel to the first right adjusting hole 13; the first right adjusting hole 13 and the second right adjusting hole 14 are both waist-shaped holes; a first right sliding block 15 matched with the first right adjusting hole 13 and a second right sliding block 16 matched with the second right adjusting hole 14 are arranged on the right side wall of the right tensioning seat 12; the right side wall of the first right sliding block 15 and the right side wall of the second right sliding block 16 are both provided with a plurality of right fastening screw holes 17 which are uniformly distributed; the rear end of the right tensioning seat 12 is provided with a rear axle right positioning part 18, and the lower surface of the rear axle right positioning part 18 is provided with a right axle groove 19.
A guide step 20 is formed between the right side wall of the disassembling arm 10 and the bottom of the right chute 11; the upper side wall of the rear end of the right tensioning seat 12 is attached to the guide step 20; the lower side wall of the front end of the right tensioning seat 12 is attached to the wall of the right chute 11.
A mounting step 21 is arranged on the left side wall of the fixed block 8; the front end of the dismounting arm 10 is provided with an installation part 22 matched with the installation step 21, and the installation step 21 and the installation part 22 are fixed through screws.
The left adjusting structure comprises a left adjusting seat 23 arranged between the rear end of the left upper supporting arm 4 and the rear end of the left lower supporting arm 6, and the left adjusting seat 23 is V-shaped; a left sliding groove 24 is formed in the side wall of the right side of the left adjusting seat 23; a first left adjusting hole 25 and a second left adjusting hole 26 are formed in the left side wall of the left adjusting seat 23, the second left adjusting hole 26 is located at the rear upper part of the first left adjusting hole 25, and the second left adjusting hole 26 is parallel to the first left adjusting hole 25; the first left adjusting hole 25 and the second left adjusting hole 26 are waist-shaped holes; the first left adjusting hole 25 and the second left adjusting hole 26 are communicated with the left sliding chute 24; a left tensioning seat 27 matched with the left sliding groove 24 is arranged in the left sliding groove; a first left sliding block 28 matched with the first left adjusting hole 25 and a second left sliding block 29 matched with the second left adjusting hole 26 are arranged on the side wall of the left tensioning seat 27; the left side wall of the first left sliding block 28 and the left side wall of the second left sliding block 29 are provided with a plurality of left fastening screw holes 30 which are uniformly distributed; the rear end of the left tensioning seat 27 is provided with a rear axle left positioning part 31, and the lower surface of the rear axle left positioning part 31 is provided with a left axle groove 32 which is coaxial with the right axle groove 19.
The lower side wall of the front end of the left tensioning seat 27 is attached to the lower side wall of the left sliding chute 24; the lateral wall of the upper side of the rear end of the left tensioning seat 27 is attached to the rear upper side of the left sliding groove 24.
The rear ends of the left upper supporting arm 4 and the left lower supporting arm 6 are connected with the end part of the left adjusting seat 23 through welding; between fixed block 8 and the upper right support arm 5 rear end, all through welded connection between the right side 9 front end tip of adjusting and the lower right support arm 7 rear end.
Left side upper support arm 4 and right side upper support arm 5 integrated into one piece form back mount 33, and back mount 33 is the V type.
The utility model discloses a use method as follows:
when the rear wheel of the bicycle is installed, the left end and the right end of the rear wheel shaft at the center of the rear wheel can be respectively clamped into the left shaft groove 32 of the left positioning part 31 of the rear wheel shaft and the right shaft groove 19 of the right positioning part 18 of the rear wheel shaft, then the left and right ends of the rear wheel axle are both screwed with nuts, when the nuts at the left end of the rear wheel axle are tightly pressed on the left side wall of the left positioning part 31 of the rear wheel axle, the left end of the rear wheel axle is fixed, when the nut at the right end of the rear wheel axle is extruded on the side wall at the right side of the right positioning part 18 of the rear wheel axle, the right end of the rear wheel axle is fixed, because the rear wheel is connected with the rear wheel shaft through the bearing, after the rear wheel shaft is fixed, only the axle center position of the rear wheel is fixed, but do not influence the rotation of rear wheel, when the driven wheel that passes through hold-in range or chain drive rear wheel right side center is rotatory along with the action wheel, the rear wheel then can take place to rotate with rear wheel axle as the center to the drive bicycle moves ahead.
Because the mounting step 21 on the fixing block 8 arranged at the rear end of the upper right supporting arm 5 and the mounting part 22 at the front end of the dismounting arm 10 are fixed by screws, the mounting part 22 can leave the mounting step 21 only by screwing out the screws, the mounting part 22 and the mounting step 21 are not in a state of being tightly attached to each other, a gap can be generated between the mounting step 21 and the mounting part 22, the synchronous belt or the chain which is connected into a ring can be clamped between the left adjusting seat 23 and the right adjusting seat 9 through the gap between the mounting step 21 and the mounting part 22, the fixing block 8 is positioned at the front upper part of the dismounting arm 10, the right shaft groove 19 of the right positioning part 18 of the rear wheel shaft is positioned at the rear lower part of the dismounting arm 10, when the synchronous belt or the ring chain enters between the left adjusting seat 23 and the right adjusting seat 9 through the gap between the mounting step 21 of the fixing block 8 and the mounting part 22 of the dismounting arm 10, the rear part of the synchronous belt or the ring chain is just sleeved outside the driven wheel at the right center of the rear wheel, and the position at action wheel place does not have the hindrance, can easily overlap outside the action wheel with hold-in range or cyclic annular chain front portion, just can accomplish the action wheel and follow the connection between the driving wheel, can adopt the cyclic annular chain of accomplishing both ends and connecting when knowing from this, but the chain of non-cluster form, effectively avoid extravagant in the connection work of the both ends tip of cluster form chain with a large amount of time, effectively improve chain installation effectiveness, and when adopting the hold-in range to connect, the installation of hold-in range can be accomplished fast equally.
If in hold-in range or chain installation, discovery hold-in range or cyclic annular chain are difficult to install to the action wheel with follow the driving wheel on or install to the action wheel with follow the driving wheel on the back have not hard up condition, then accessible left side is adjusted the structure and is adjusted the structure with the right side and change rear wheel axle center position to change the interval between action wheel axle center and the driven wheel axle center, realize the regulation of hold-in range or chain tensioning degree.
When the synchronous belt or the ring chain is too short to complete the connection between the driving wheel and the driven wheel, the distance between the axle center of the driving wheel and the axle center of the driven wheel can be shortened, when the distance is shortened, the position of the left tensioning seat 27 can be adjusted first, then the position of the right tensioning seat 12 is adjusted, when the left tensioning seat 27 is adjusted, the first left slide block 28 on the left tensioning seat 27 can move forwards along the track of the first left adjusting hole 25, the second left slide block 29 on the left tensioning seat 27 can move forwards along the track of the second left adjusting hole 26, at the moment, the left tensioning seat 27 moves forwards, the left shaft groove 32 of the rear wheel axle left positioning part 31 moves forwards along with the track of the first right adjusting hole 13, when the right tensioning seat 12 is adjusted, the first right slide block 15 on the right seat 12 can move forwards along the track of the first right adjusting hole 13, and the second right slide block 16 on the right tensioning seat 12 can move forwards along the track of the second right adjusting hole 14, at this time, the right tensioning seat 12 moves forward, the right shaft groove 19 of the right positioning part 18 of the rear wheel shaft moves forward, when the left shaft groove 32 and the right shaft groove 19 move forward, the left shaft groove 32 and the right shaft groove 19 are always kept in a coaxial state, the rear wheel shaft installed in the left shaft groove 32 and the right shaft groove 19 moves forward along with the forward movement of the left shaft groove 32 and the right shaft groove 19, the shaft center of the driven wheel arranged at the right center of the rear wheel moves forward, and the distance between the shaft center of the driving wheel and the shaft center of the driven wheel is shortened.
When the synchronous belt or the annular chain is loosened after connecting the driving wheel and the driven wheel, the distance between the axle center of the driving wheel and the axle center of the driven wheel can be increased, so that the annular chain is in a tensioning state, when the distance between the axle center of the driving wheel and the axle center of the driven wheel needs to be increased, the position of the left tensioning seat 27 can be adjusted firstly, then the position of the right tensioning seat 12 is adjusted, when the left tensioning seat 27 is adjusted, the first left slide block 28 on the left tensioning seat 27 can move backwards along the track of the first left adjusting hole 25, the second left slide block 29 on the left tensioning seat 27 can move backwards along the track of the second left adjusting hole 26, at the moment, the left tensioning seat 27 moves backwards, the left shaft groove 32 of the left positioning part 31 of the rear wheel axle moves backwards along with the left shaft groove 32, when the right tensioning seat 12 is adjusted, the first right slide block 15 on the right tensioning seat 12 can move backwards along the track of the first right adjusting hole 13, so that the second right slide block 16 on the right tensioning seat 12 moves backwards along the track of the second right adjusting hole 14, at this time, the right tensioning seat 12 moves backwards, the right shaft groove 19 of the right positioning part 18 of the rear wheel shaft moves backwards along with the right tensioning seat, when the left shaft groove 32 and the right shaft groove 19 move backwards, the left shaft groove 32 and the right shaft groove 19 are always in a coaxial state, the rear wheel shaft installed in the left shaft groove 32 and the right shaft groove 19 moves backwards along with the left shaft groove 32 and the right shaft groove 19 move backwards, the shaft center of the driven wheel arranged at the right center of the rear wheel moves backwards, and the distance between the shaft center of the driving wheel and the shaft center of the driven wheel is increased.
When the front and back position control of left tensioning seat 27 is accomplished the back, then can fix the position of left tensioning seat 27, when fixed left tensioning seat 27, can pass first left regulation hole 25 or the left regulation hole 26 of second with left fastening screw hole 30 assorted screw, then spiro union is in left fastening screw hole 30, along with the screw constantly screws in left fastening screw hole 30, the head of screw finally sticiss on left side lateral wall of left adjustment seat 23, first left slider 28 this moment, second left slider 29 is fixed in on left adjustment seat 23, thereby realize the fixed between left tensioning seat 27 and the left adjustment seat 23.
After the position control is accomplished around right tensioning seat 12, then can fix the position of right tensioning seat 12, during fixed right tensioning seat 12, can pass first right regulation hole 13 or the right regulation hole 14 of second with right fastening screw 17 assorted screw, then spiro union is in right fastening screw 17, along with the screw constantly in the right fastening screw 17 of screwing in, the head of final screw finally then can sticis on the right side lateral wall of right side regulation seat 9 and dismantle on the right side lateral wall of arm 10, first right slider 15 is fixed on right regulation seat 9 this moment, second right slider 16 is fixed on dismantling arm 10, thereby realize the fixed position of right tensioning seat 12.
In conclusion, can know, the utility model discloses a dismantle between arm 10 and the fixed block 8 and fix mutually through the screw, consequently loosen the back when the screw, dismantle between arm 10 and the fixed block 8 just can appear the clearance, utilize this clearance, can easily pack into annular chain to the frame in, accomplish fast and be connected from the driving wheel with between the action wheel, effectively avoid using hold-in range or chain connection to need consume the condition of plenty of time, effectively improve the installation effectiveness of hold-in range or chain, after hold-in range or chain installation, when needing to adjust the tensioning degree, only need through the position of adjusting left tensioning seat 27 and right tensioning seat 12, just can accomplish the regulation of hold-in range or chain tensioning degree fast, thereby guarantee hold-in range or annular chain and keep in the tensioning state after the installation is accomplished, effectively guarantee bicycle and electric bicycle's performance.
Dismantle and form the direction step between 10 right side lateral walls of arm and the 11 tank bottoms of right spout, the lateral wall of the 12 rear ends upper sides of right tensioning seat is laminated with direction step 20 mutually, and the lateral wall of the 12 front ends downside of right tensioning seat is laminated with the 11 tank walls of right spout mutually, and the existence of direction step 20 and the 11 tank walls of right spout can play the guide effect when right tensioning seat 12 removes, stability when effectively improving right tensioning seat 12 and remove.
The lower side wall of the front end of the left tensioning seat 27 is attached to the lower side wall of the left sliding chute 24; left tensioning seat 27 rear end upside lateral wall laminates with the cell wall of left spout 24 back upper place mutually, and the cell wall of left spout 24 downside cell wall and left spout 24 back upper place can play the guide effect when left tensioning seat 27 removes, stability when effectively improving left tensioning seat 27 and removing.
Upper left support arm 4, left lower support arm 6 encloses with stand 2 and closes a triangle-shaped of formation, upper right support arm 5, right lower support arm 7 encloses with stand 2 and closes a triangle-shaped of formation, the triangle-shaped structure is the most firm, can be in the installation hold-in range of being convenient for, the intensity of frame is guaranteed in the time of the chain, and upper left support arm 4 and upper right support arm 5 integrated into one piece form after-fixing frame 33, after-fixing frame 33 is the U type, can further improve the intensity of frame.
Claims (8)
1. The utility model provides a overspeed device tensioner convenient to hold-in range and chain installation, includes the frame, locates the stand at frame center and locates the wheel cap of stand lower extreme, its characterized in that: the left and right sides of the rear part of the upper end of the upright post are provided with a left upper supporting arm and a right upper supporting arm; a left lower supporting arm positioned below the left upper supporting arm and a right lower supporting arm positioned below the right upper supporting arm are arranged on the left side and the right side behind the wheel cover; the rear ends of the left upper support arm and the right upper support arm are inclined downwards; the left upper supporting arm, the left lower supporting arm and the upright post are enclosed to form a triangle; the right upper supporting arm, the right lower supporting arm and the upright post are enclosed to form a triangle; a fixed block is arranged at the rear end of the right upper supporting arm; the rear end of the right lower supporting arm is provided with a right adjusting seat; a disassembly arm matched with the fixed block extends from the rear end of the right adjusting seat towards the direction of the fixed block, and the disassembly arm and the fixed block are fixed through screws; the right adjusting seat is provided with a right adjusting structure matched with the right adjusting seat; and a left adjusting structure is arranged between the rear end of the upper left supporting arm and the rear end of the lower left supporting arm.
2. A tensioning device to facilitate synchronous belt and chain installation as claimed in claim 1, wherein: the right adjusting structure comprises a right sliding chute arranged on the left side wall of the right adjusting seat, and the right sliding chute is spread to the disassembling arm; a right tensioning seat matched with the right sliding chute is arranged in the right sliding chute; a first right adjusting hole communicated with the right sliding groove is formed in the side wall of the right side of the right adjusting seat; a second right adjusting hole communicated with the right chute is formed in the side wall of the right side of the disassembling arm and is parallel to the first right adjusting hole; the first right adjusting hole and the second right adjusting hole are waist-shaped holes; a first right sliding block matched with the first right adjusting hole and a second right sliding block matched with the second right adjusting hole are arranged on the right side wall of the right tensioning seat; the right side wall of the first right sliding block and the right side wall of the second right sliding block are provided with a plurality of right fastening screw holes which are uniformly distributed; the rear end of the right tensioning seat is provided with a right rear axle positioning part, and the lower surface of the right rear axle positioning part is provided with a right axle groove.
3. A tensioning device to facilitate synchronous belt and chain installation as claimed in claim 2, wherein: a guide step is formed between the side wall of the right side of the disassembling arm and the bottom of the right sliding groove; the upper side wall of the rear end of the right tensioning seat is attached to the guide step; and the lower side wall of the front end of the right tensioning seat is attached to the wall of the right sliding groove.
4. A tensioning device to facilitate synchronous belt and chain installation as claimed in claim 1, wherein: the side wall of the left side of the fixed block is provided with an installation step; the front end of the disassembling arm is provided with an installation part matched with the installation step, and the installation step and the installation part are fixed through screws.
5. A tensioning device to facilitate synchronous belt and chain installation as claimed in claim 2, wherein: the left adjusting structure comprises a left adjusting seat arranged between the rear end of the upper left supporting arm and the rear end of the lower left supporting arm, and the left adjusting seat is V-shaped; the right side wall of the left adjusting seat is provided with a left sliding chute; a first left adjusting hole and a second left adjusting hole are formed in the side wall of the left side of the left adjusting seat, the second left adjusting hole is located above and behind the first left adjusting hole, and the second left adjusting hole is parallel to the first left adjusting hole; the first left adjusting hole and the second left adjusting hole are waist-shaped holes; the first left adjusting hole and the second left adjusting hole are communicated with the left sliding chute; a left tensioning seat matched with the left sliding groove is arranged in the left sliding groove; a first left sliding block matched with the first left adjusting hole and a second left sliding block matched with the second left adjusting hole are arranged on the side wall of the left tensioning seat; the left side wall of the first left sliding block and the left side wall of the second left sliding block are provided with a plurality of left fastening screw holes which are uniformly distributed; the rear end of the left tensioning seat is provided with a left rear axle positioning part, and the lower surface of the left rear axle positioning part is provided with a left axle groove coaxial with the right axle groove.
6. A tensioning device to facilitate synchronous belt and chain installation as claimed in claim 5, wherein: the lower side wall of the front end of the left tensioning seat is attached to the lower side wall of the left sliding chute; the lateral wall of left side tensioning seat rear end upside is laminated with the cell wall of left spout rear top mutually.
7. A tensioning device to facilitate synchronous belt and chain installation as claimed in claim 5, wherein: the rear ends of the left upper supporting arm, the left lower supporting arm and the end part of the left adjusting seat are connected by welding; and the fixing block and the rear end of the upper right supporting arm and the front end of the right adjusting seat and the rear end of the lower right supporting arm are connected through welding.
8. A tensioning device to facilitate synchronous belt and chain installation as claimed in claim 1, wherein: the upper left supporting arm and the upper right supporting arm are integrally formed to form a rear fixing frame, and the rear fixing frame is V-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121478878.8U CN214875382U (en) | 2021-07-01 | 2021-07-01 | Tensioning device convenient for installation of synchronous belt and chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121478878.8U CN214875382U (en) | 2021-07-01 | 2021-07-01 | Tensioning device convenient for installation of synchronous belt and chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214875382U true CN214875382U (en) | 2021-11-26 |
Family
ID=78929183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121478878.8U Active CN214875382U (en) | 2021-07-01 | 2021-07-01 | Tensioning device convenient for installation of synchronous belt and chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214875382U (en) |
-
2021
- 2021-07-01 CN CN202121478878.8U patent/CN214875382U/en active Active
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