CN214778651U - Automatic tensioning locking mechanism for synchronous belt - Google Patents
Automatic tensioning locking mechanism for synchronous belt Download PDFInfo
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- CN214778651U CN214778651U CN202120865225.9U CN202120865225U CN214778651U CN 214778651 U CN214778651 U CN 214778651U CN 202120865225 U CN202120865225 U CN 202120865225U CN 214778651 U CN214778651 U CN 214778651U
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Abstract
The utility model provides an automatic tensioning locking mechanism of hold-in range, including the support, the elastic component locates synchronizing wheel, first axostylus axostyle and stiff end on the support, and rotates and locate the first tension wheel on the first axostylus axostyle. The support corresponds the primary shaft pole position and has seted up first bar groove, and the primary shaft pole is arranged in first bar inslot, and the one end and the primary shaft pole of elastic component are connected, the other end and stiff end are connected, and first bar groove sets up along hold-in range tensioning direction, is equipped with a plurality of first screens that are used for preventing the primary shaft pole to keep away from the stiff end motion on the first bar groove. Therefore, the synchronous belt is always in a compression state of tensioning the first pressing wheel through the tension of the elastic piece, and cannot be stretched outwards, so that the synchronous belt tensioning effect is achieved. And under the blockking of first screens, when the pulling force of hold-in range load exceeded the elastic component, can prevent to compress tightly the first straining wheel of hold-in range and keep away from the stiff end motion, play the lock effect of dying, prevent the tooth that jumps, effectively improve the life of hold-in range.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the technique of hold-in range tensioning and specifically relates to an automatic tensioning locking mechanism of hold-in range is related to.
[ background of the invention ]
It is well known that belts must be pre-tensioned to function properly in accordance with the principle of the belt's friction drive. Therefore, in order to prolong the service life of the synchronous belt, a synchronous belt tensioning mechanism is generally arranged in the belt transmission and used for adjusting the condition of looseness after the belt transmission runs for a certain time, and the belt transmission capacity is ensured.
At present, the existing synchronous belt tensioning mechanism generally directly drives a synchronous wheel through a spring to tension a synchronous belt. However, in the existing synchronous belt tensioning mechanism, when the load of the synchronous belt exceeds the tension of the spring, the tensioning device fails, the phenomenon of tooth jumping of the synchronous belt occurs, and when the tension of the spring exceeds the load born by the synchronous belt, the synchronous belt is in a high-strength stretching state for a long time, so that the service life of the synchronous belt is greatly reduced.
Accordingly, the prior art is in need of improvement and development.
[ Utility model ] content
An object of the utility model is to provide an automatic tensioning locking mechanism of hold-in range for solve current hold-in range straining device and surpass the spring tension at the load and can lead to the hold-in range to jump the problem of tooth and can reduce life's problem at the long-term high strength tensile state of hold-in range.
The technical scheme of the utility model as follows: an automatic tensioning and locking mechanism for a synchronous belt comprises a bracket, an elastic piece, a synchronous wheel, a first shaft lever, a fixed end and a first tensioning wheel, wherein the synchronous wheel, the first shaft lever and the fixed end are arranged on the bracket;
the support corresponds first axle lever position and has seted up first bar groove, first bar inslot is arranged in to the first axle lever, the one end and the first axle lever of elastic component are connected, the other end is connected with the stiff end, first bar groove sets up along hold-in range tensioning direction, be provided with a plurality of screens that are used for preventing the first axle lever to keep away from the stiff end motion on the first bar groove.
Preferably, the synchronous belt automatic tensioning locking mechanism further comprises a second tensioning wheel, and the fixed end is a second shaft rod;
the support is provided with a second strip-shaped groove corresponding to the second shaft lever, the second strip-shaped groove and the first strip-shaped groove are located on two opposite sides of the synchronizing wheel, the second tensioning wheel is rotatably arranged on the second shaft lever, and the second strip-shaped groove is provided with a plurality of second clamping positions used for preventing the second shaft lever from moving away from the first shaft lever.
Preferably, the fixed end is located on a side of the first tensioning wheel remote from the synchronizing wheel.
Preferably, the fixed end is located on a side of the synchronizing wheel remote from the first tensioning wheel.
Preferably, the first strip-shaped groove and the second strip-shaped groove are arranged in a splayed shape.
Preferably, the number of the elastic members is two, and the two elastic members are respectively arranged at intervals.
Preferably, the first clip and the second clip are cambered surfaces.
Preferably, the two ends of the first shaft lever and the second shaft lever are both provided with limiting gaskets, and the support is located between the limiting gaskets at the two ends.
Preferably, the elastic member is a tension spring.
The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses utilize the taut first axostylus axostyle of elastic component to this, the hold-in range is in all the time by under the state that compresses tightly of the taut first pinch roller of elastic component pulling force, unable external stretching, thereby plays the effect of tensioning hold-in range. When the load of synchronous belt drive surpasses the pulling force of elastic component, the transmission, through the taut first tight pulley of hold-in range, under the effect in first bar groove, spacing first tight pulley, can effectively protect the elastic component not damage, prevent that the hold-in range load is greater than the elastic component pulling force and damage the elastic component to can effectively compress tightly the hold-in range, play the tensioning effect, prevent that the dead mechanism of hold-in range automatic tensioning lock from becoming invalid, influence synchronous belt drive. And, the hold-in range can appear lax in long-term use, under this state, when the effort of hold-in range load is less than the elastic component pulling force promptly, first pinch roller is along first bar groove motion under the elastic component pulling force effect, it is the same with hold-in range load effort to be close to the stiff end to remove to the elastic component pulling force promptly, with this effect of tensioning hold-in range, and, first screens has been removed when primary shaft pole, later when the hold-in range load surpassed the pulling force of elastic component, under the blockking of first screens, can prevent to compress tightly the first pinch roller of hold-in range and move backward, play the lock effect of dying, prevent to appear jumping the tooth, with this effect of effectively playing tensioning hold-in range, effectively improve the life of hold-in range.
[ description of the drawings ]
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the utility model used in cooperation with the synchronous belt.
Fig. 3 is a structural diagram of the bracket of the present invention.
Fig. 4 is the schematic diagram of the fixed end, the first tension wheel and the synchronous wheel matching with the synchronous belt.
Fig. 5 is another schematic diagram of the fixed end, the first tension wheel and the synchronous wheel of the present invention cooperating with the synchronous belt.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1-5, an embodiment of the present invention provides an automatic tightening locking mechanism for a synchronous belt.
This dead mechanism of automatic tensioning lock of hold-in range includes: the device comprises a support 1, an elastic piece 4, a synchronous wheel 5 arranged on the support 1, a first shaft rod 6, a fixed end 3 and a first tensioning wheel 7 which is rotatably arranged on the first shaft rod 6 and used for tensioning a synchronous belt 10. The support 1 corresponds the first axle 6 position and has seted up first bar groove 8, and first axle 6 is arranged in first bar groove 8, and the one end and the first axle 6 of elastic component 4 are connected, the other end is connected with stiff end 3, and first bar groove 8 sets up along hold-in range 10 tensioning direction, is provided with a plurality of first screens 81 that are used for preventing that the first axle 6 from keeping away from the motion of stiff end 3 on the first bar groove 8.
Like this, when synchronous belt 10 transmission, elastic component 4 is through the taut first axostylus axostyle 6 of stiff end 3 to this, synchronous belt 10 is in all the time by elastic component 4 tensile force under the state of compressing tightly of taut first pinch roller, unable outside tensile, thereby plays tensioning synchronous belt 10's effect. When the driven load of hold-in range 10 surpassed the pulling force of elastic component 4 the transmission, tensioning first pinch roller 7 through hold-in range 10, under the effect of first bar groove 8, spacing first pinch roller 7, can effectively protect elastic component 4 and do not damage, prevent that hold-in range 10 load is greater than the 4 pulling forces of elastic component and damage elastic component 4, and thereby can effectively compress tightly hold-in range 10, play the tensioning effect, prevent that the automatic tensioning of hold-in range from locking the dead mechanism and losing efficacy, influence hold-in range 10 transmission. And, the hold-in range 10 can appear lax in long-term use, under this state, when the effort of hold-in range 10 load is less than the elastic component 4 pulling force, first pinch roller moves along first bar groove 8 under the elastic component 4 pulling force effect, it is the same with hold-in range 10 load effort to be close to stiff end 3 and remove to elastic component 4 pulling force promptly, play the tensioning hold-in range 10 effect with this, and, first shaft lever 6 has removed a first screens 81, later when the hold-in range 10 load surpassed the pulling force of elastic component 4, under the blockking of first screens 81, can prevent to compress tightly the first pinch roller 7 backward movement of hold-in range 10, play the lock effect, prevent the tooth skipping, with this effect of tensioning hold-in range 10 effectively plays, effectively improve the life of hold-in range 10.
Wherein, the elastic element 4 is a tension spring.
In an embodiment, the stiff end 3 is located one side that synchronous wheel 5 was kept away from to first tensioning wheel 7, as shown in fig. 4, in the utility model discloses in the application, stiff end 3 is located the same one side of hold-in range 10 with synchronous wheel 5, and synchronous wheel 5 is located the both sides of hold-in range 10 with first tensioning wheel 7 to, stiff end 3 is located one side that synchronous wheel 5 was kept away from to first tensioning wheel 7, cooperates first tensioning wheel 7 can realize the effect of tensioning hold-in range 10.
In one embodiment, the fixed end 3 is located on the side of the synchronizing wheel 5 remote from the first tensioning wheel 7, as shown in fig. 5. The utility model discloses in the application, stiff end 3 is located same one side of hold-in range 10 with first tensioning, and synchronizing wheel 5 is located the both sides of hold-in range 10 with first tensioning wheel 7 to, stiff end 3 is located one side that first tensioning wheel 7 was kept away from to synchronizing wheel 5, and the effect that tensioning hold-in range 10 can be realized to first tensioning wheel 7 of cooperation.
In an embodiment, the synchronous belt automatic tensioning locking mechanism further comprises a second tensioning wheel 11, and the fixed end 3 is a second shaft rod. The bracket 1 is provided with a second strip-shaped groove 9 corresponding to the position of the second shaft rod, the second strip-shaped groove 9 and the first strip-shaped groove 8 are located on two opposite sides of the synchronizing wheel 5, the second tensioning wheel 11 is rotatably arranged on the second shaft rod, and the second strip-shaped groove 9 is provided with a plurality of second clamping positions 91 for preventing the second shaft rod from moving away from the first shaft rod 6, as shown in fig. 1 and 2.
With this, transmission when synchronous belt 10 driven load surpasses elastic component 4's pulling force, first pole 6 is spacing through first bar groove 8 and second bar groove 9 with the second pole, can't continue to draw elastic component 4 and remove to both sides, can effectively protect elastic component 4 not to damage, prevent that the synchronous belt 10 load is greater than elastic component 4 pulling force and damages elastic component 4, and thereby can effectively compress tightly synchronous belt 10, play the tensioning effect, prevent that the automatic tensioning of synchronous belt 10 deadlocking mechanism from becoming invalid, influence the transmission of synchronous belt 10. When the effort of hold-in range 10 load is less than the tensile of elastic component 4, first axostylus axostyle 6 and second axostylus axostyle are close to each other under the tensile of elastic component 4 to this plays tensioning hold-in range 10 effect, and, when first axostylus axostyle 6 has removed a plurality of first screens 81 and/or the second axostylus axostyle has removed a plurality of second screens 91, later hold-in range 10 load when exceeding elastic component 4's pulling force, under the blockking of first screens 81 and second screens 91, can prevent to compress tightly the first take-up pulley 7 and the backward motion of second take-up pulley 11 of hold-in range 10, play the lock effect, prevent the tooth that jumps, with this effectively plays tensioning hold-in range 10 effect, effectively improve hold-in range 10's life.
Specifically, the first strip-shaped groove 8 and the second strip-shaped groove 9 are arranged in a splayed shape. This "eight" style of calligraphy can be according to the utility model discloses the dead mechanism of automatic tensioning lock of hold-in range 10's installation direction is different and rotatory, does not do the injecing here, and first bar groove 8 is symmetrical structure with second bar groove 9. Therefore, when the tension of the elastic element 4 is greater than the acting force of the transmission load of the synchronous belt 10, the first shaft rod 6 and the second shaft rod can move along the first strip-shaped groove 8 and the second strip-shaped groove 9 respectively more effectively, and the first tension wheel 7 and the second tension wheel 11 are effectively matched to play a role in tensioning the synchronous belt 10.
In the above embodiment, the two elastic members 4 are respectively disposed at intervals and located at two ends of the first shaft 6, so that the stability of the tension of the elastic members 4 is improved, and the tensioning effect of the synchronous belt 10 can be more effectively realized.
The first and second blocking portions 81 and 91 are arc surfaces, so that the first and second shafts 6 and 9 can move smoothly along the first and second bar- shaped grooves 8 and 9 respectively. Specifically, the tip formed between the arc surfaces of the two first detents 81 faces the direction of tensioning the timing belt 10, thereby preventing the first shaft lever 6 and the second shaft lever from jumping.
The two ends of the first shaft lever 6 and the second shaft lever are respectively provided with a limiting gasket 2, the support 1 is positioned between the limiting gaskets 2 at the two ends, and the first shaft lever 6 and the second shaft lever can be limited in the first strip-shaped groove 8 and the second strip-shaped groove 9 respectively through the limiting gaskets 2.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (9)
1. The automatic tensioning and locking mechanism for the synchronous belt is characterized by comprising a bracket, an elastic piece, a synchronous wheel, a first shaft lever, a fixed end and a first tensioning wheel, wherein the synchronous wheel, the first shaft lever and the fixed end are arranged on the bracket;
the support corresponds first axle lever position and has seted up first bar groove, first bar inslot is arranged in to the first axle lever, the one end and the first axle lever of elastic component are connected, the other end is connected with the stiff end, first bar groove sets up along hold-in range tensioning direction, be provided with a plurality of screens that are used for preventing the first axle lever to keep away from the stiff end motion on the first bar groove.
2. The synchronous belt automatic tensioning locking mechanism of claim 1, further comprising a second tensioning wheel, wherein the fixed end is a second shaft;
the support is provided with a second strip-shaped groove corresponding to the second shaft lever, the second strip-shaped groove and the first strip-shaped groove are located on two opposite sides of the synchronizing wheel, the second tensioning wheel is rotatably arranged on the second shaft lever, and the second strip-shaped groove is provided with a plurality of second clamping positions used for preventing the second shaft lever from moving away from the first shaft lever.
3. The synchronous belt automatic tensioning deadlocking mechanism of claim 1, wherein the fixed end is located on a side of the first tensioning wheel distal from the synchronous wheel.
4. The synchronous belt automatic tensioning deadlocking mechanism of claim 1, wherein the fixed end is located on a side of the synchronous wheel distal from the first tensioning wheel.
5. The automatic tensioning and locking mechanism for the synchronous belt according to claim 2, wherein the first strip-shaped groove and the second strip-shaped groove are arranged in a splayed shape.
6. The automatic tensioning and locking mechanism for the synchronous belt according to any one of claims 1 to 5, wherein the number of the elastic members is two, and the two elastic members are respectively arranged at intervals.
7. The automatic tensioning deadlocking mechanism for a synchronous belt of claim 6, wherein the first detent and the second detent are arcuate.
8. The automatic tensioning and locking mechanism for the synchronous belt according to claim 7, wherein the first shaft rod and the second shaft rod are provided with limiting gaskets at two ends, and the support is located between the limiting gaskets at two ends.
9. The automatic tensioning deadlocking mechanism for a synchronous belt of claim 8 wherein the resilient member is a tension spring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021201239157 | 2021-01-15 | ||
| CN202120123915 | 2021-01-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214778651U true CN214778651U (en) | 2021-11-19 |
Family
ID=78689507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120865225.9U Active CN214778651U (en) | 2021-01-15 | 2021-04-25 | Automatic tensioning locking mechanism for synchronous belt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214778651U (en) |
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2021
- 2021-04-25 CN CN202120865225.9U patent/CN214778651U/en active Active
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