Width adjusting and tensioning auxiliary shaft capable of preventing jamming

Abstract

The utility model relates to the technical field of width adjusting and tensioning auxiliary shafts, and discloses an anti-locking width adjusting and tensioning auxiliary shaft which comprises a rotating rod, the outer wall of the rotating rod is in threaded connection with a sleeve, the outer wall of the sleeve is hinged to a hinged plate, and the end, away from the sleeve, of the hinged plate is hinged to a supporting block. The outer wall of the supporting block is fixedly connected with a clamping block, the outer wall of the clamping block is in threaded connection with a limiting plate, the outer wall of the limiting plate is fixedly connected with a rotating cylinder, the outer wall of the supporting block is sleeved with a sleeve shell, and a rolling assembly is arranged in the supporting block. According to the width-adjusting tensioning auxiliary shaft capable of preventing locking, when a rotating cylinder difficultly enables the auxiliary shaft to rotate, a pressing rod can be rotated to drive a threaded rod to enable a connecting plate to move, so that two sets of pushing inclined blocks can push a top inclined block to drive a rotating seat to enable a roller to ascend, at the moment, the roller can be sleeved with a sleeve shell, and the sleeve shell can rotate; therefore, the sleeve shell is prevented from being blocked and difficult to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to width adjusting and tensioning auxiliary shaft technical field, concretely is a kind of prevent jamming's width adjusting and tensioning auxiliary shaft. BACKGROUND

[0002] Width adjusting and tensioning auxiliary shaft is a kind of equipment that can realize the control of the tensioning degree of belt etc.

[0003] But existing equipment in actual use process, when encountering rotating drum has no space to make auxiliary shaft rotate, need to place sleeve shell on auxiliary shaft, at this time, support block supports sleeve shell and will lift sleeve shell, so that sleeve shell is stuck by support block and difficult to rotate, so that belt cannot rotate;In view of this, we propose a kind to prevent jamming's width adjusting and tensioning auxiliary shaft. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind to prevent jamming's width adjusting and tensioning auxiliary shaft to solve the problems presented in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind to prevent jamming's width adjusting and tensioning auxiliary shaft, including rotating lever, the outer wall of rotating lever is connected with sleeve by screw thread, the outer wall of sleeve is hinged with hinged plate, the end of hinged plate away from sleeve is hinged with support block, the outer wall of support block is fixedly connected with clamping block, the outer wall of clamping block is connected with limit plate by screw thread, the outer wall of limit plate is fixedly connected with rotating drum, the outer wall of support block is equipped with sleeve shell, the inside of support block is provided with rolling assembly, and the rolling assembly includes:

[0006] Pressing rod, the pressing rod is connected with the inner wall of clamping block and is slidably connected, the end of pressing rod close to support block is fixedly connected with threaded rod, the end of threaded rod away from pressing rod is rotatably connected with connecting plate, the outer wall of connecting plate is fixedly connected with push inclined block;

[0007] Top inclined block, the top inclined block is slidably connected on the outer wall of push inclined block, the end of top inclined block away from push inclined block is fixedly connected with rotating seat, the outer wall of rotating seat is fixedly connected with spring, the inner wall of rotating seat is rotatably connected with gyro wheel.

[0008] Preferably, the support block is internally provided with a rotating assembly, which includes a rotating block fixedly connected to the end of the pressure rod away from the threaded rod. A collar is rotatably connected to the end of the connecting plate near the threaded rod. A limiting groove is formed on the inner wall of the collar. A limiting ring is fixedly connected to the end of the threaded rod away from the pressure rod. The limiting ring is rotatably connected to the inner wall of the limiting groove. When the pressure rod rotates and causes the threaded rod to rotate, the end of the threaded rod can rotate within the collar. Furthermore, the cooperation between the limiting ring and the limiting groove allows the connecting plate to move together when the threaded rod rotates and moves, without causing the connecting plate to rotate.

[0009] Preferably, the inclined surface of the pusher block has the same slope as the inclined surface of the top inclined block, and the inclined surface of the pusher block fits into the inclined surface of the top inclined block. Pusher blocks are fixedly connected to both ends of the connecting plate, and top inclined blocks are fixedly connected to both ends of the rotating seat. When the two sets of pusher blocks are driven by the two sets of connecting plates respectively, the top inclined block can drive the rotating seat to make the roller rise in parallel, so that the contact area between the roller and the housing is larger.

[0010] Preferably, the number of support blocks is set to four sets, and the four sets of support blocks are evenly distributed in a circumferential array on the outer wall of the sleeve, so that the support blocks can support the inner wall of the sleeve in four directions, and the support blocks can be better fixed in the sleeve.

[0011] Preferably, the outer wall of the limiting plate has a through groove, and the locking block is set in the shape of an "I". The shorter end of the locking block matches the width of the groove, and the shorter end of the locking block is slidably connected to the inner wall of the groove. When the rotating rod is rotated, the sleeve slides on the rotating rod, thereby causing the hinge plate to drive the support block to move. Furthermore, through the cooperation between the locking block and the groove of the limiting plate, the support block can move more smoothly on the limiting plate, making the position of the support block more stable.

[0012] Preferably, the outer wall of the support block is provided with a rotating groove, the rotating seat is slidably connected to the inner wall of the rotating groove, and the end of the spring away from the rotating seat is fixedly connected to the inner wall of the rotating groove, so that when the rotating pressure rod is rotated to move the pushing block away from the top inclined block, the rotating seat can be driven by the spring to return to the rotating groove.

[0013] Preferably, one end of the rotating rod is rotatably connected to the outer wall of the limiting plate, the other end of the rotating rod is provided with a torsion block, and the sleeve is fitted onto the threaded outer wall of the rotating rod, so that when the rotating rod is rotated, the rotating cylinder can move on the rotating rod, and the rotating rod will not detach from the rotating cylinder.

[0014] Compared with the prior art, this utility model provides a width-adjusting tensioning auxiliary shaft that can prevent jamming, and has the following beneficial effects:

[0015] 1. This anti-jamming adjustable tensioning auxiliary shaft can be rotated when the rotating drum makes it difficult to rotate. The pressure rod can be rotated to drive the threaded rod to move the connecting plate. This will cause the two sets of push blocks to push the top tilt block to drive the rotating seat and raise the roller. At this time, the sleeve can be put on the roller so that the sleeve can rotate, thus avoiding the sleeve from being jammed and difficult to use.

[0016] 2. The anti-jamming adjustable tensioning auxiliary shaft allows the end of the threaded rod to rotate within the collar when the pressure rod rotates. The cooperation between the limiting ring and the limiting groove enables the connecting plate to move together when the threaded rod rotates and moves, without causing the connecting plate to rotate. This allows the pusher block to better fit with the top inclined block, thus enabling the roller to rise more smoothly. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of the present utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the casing of this utility model;

[0019] Figure 3 This is a schematic diagram of the support block structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the support block of this utility model;

[0021] Figure 5 This is a schematic diagram of the rotating component structure of this utility model.

[0022] In the diagram: 1. Rotating rod; 2. Sleeve; 3. Hinge plate; 4. Support block; 5. Locking block; 6. Limiting plate; 7. Rotating cylinder; 8. Rolling assembly; 81. Pressure rod; 82. Threaded rod; 83. Connecting plate; 84. Pushing block; 85. Top pushing block; 86. Rotating seat; 87. Spring; 88. Roller; 9. Rotating assembly; 91. Rotating block; 92. Collar; 93. Limiting groove; 94. Limiting ring; 10. Housing. Detailed Implementation

[0023] like Figures 1-5 As shown, this utility model provides a technical solution: a width-adjusting tensioning auxiliary shaft that can prevent jamming, including a rotating rod 1, a sleeve 2 threadedly connected to the outer wall of the rotating rod 1, a hinge plate 3 hinged to the outer wall of the sleeve 2, a support block 4 hinged to the end of the hinge plate 3 away from the sleeve 2, a locking block 5 fixedly connected to the outer wall of the support block 4, a limit plate 6 threadedly connected to the outer wall of the locking block 5, a rotating cylinder 7 fixedly connected to the outer wall of the limit plate 6, a sleeve 10 sleeved on the outer wall of the support block 4, and a rolling assembly 8 provided inside the support block 4, the rolling assembly 8 including a pressure rod 81, a threaded rod 82, a connecting plate 83, a pusher block 84, a top tilter block 85, a rotating seat 86, a spring 87, and a roller 88.

[0024] In an embodiment of the utility model, the press bar 81 is through the clamping block 5 and is connected with the inner wall of clamping block 5 slidingly, the one end of press bar 81 close to support block 4 is fixedly connected with threaded rod 82, threaded rod 82 is rotatably connected with the outer wall of connecting plate 83 of the one end away from press bar 81, the outer wall of connecting plate 83 is fixedly connected with push inclined block 84.

[0025] In an embodiment of the utility model, the top inclined block 85 is rotatably connected on the outer wall of push inclined block 84, the one end away from push inclined block 84 of top inclined block 85 is fixedly connected with rotary seat 86, the outer wall of rotary seat 86 is fixedly connected with spring 87, the inner wall of rotary seat 86 is rotatably connected with gyro wheel 88.

[0026] In addition, the inside of support block 4 is provided with rotating assembly 9, rotating assembly 9 includes rotating block 91, rotating block 91 is fixedly connected on the one end of press bar 81 away from threaded rod 82, the one end of connecting plate 83 close to threaded rod 82 is rotatably connected with sleeve ring 92, the inner wall of sleeve ring 92 is provided with limiting slot 93, the one end of threaded rod 82 away from press bar 81 is fixedly connected with limiting ring 94, limiting ring 94 is rotatably connected with the inner wall of limiting slot 93, when press bar 81 rotates and makes threaded rod 82 rotate, the end of threaded rod 82 can rotate in sleeve ring 92, and limiting ring 94 is cooperated with limiting slot 93, when threaded rod 82 rotates and moves, can drive connecting plate 83 to move in unison, and will not make connecting plate 83 rotate, thereby push inclined block 84 can push and better adhere to top inclined block 85, and further make gyro wheel 88 can more stably rise.

[0027] In the embodiment of the utility model, the slope of push inclined block 84 is consistent with the slope of top inclined block 85, and the slope of push inclined block 84 is attached to the slope of top inclined block 85, both ends of connecting plate 83 are fixedly connected with push inclined block 84, both ends of rotary seat 86 are fixedly connected with top inclined block 85, when two groups of push inclined block 84 are driven by two groups of connecting plate 83 respectively, top inclined block 85 can drive rotary seat 86 to make gyro wheel 88 can rise in parallel, make the contact area of gyro wheel 88 and sleeve 10 larger, thereby sleeve 10 can better rotate.

[0028] In the embodiment of the utility model, the number of support block 4 is provided with four groups, four groups of support block 4 are evenly distributed on the outer wall of sleeve 2 in circumferential array, make support block 4 can support four directions of the inner wall of sleeve 10, make support block 4 can better fix in sleeve 10, thereby sleeve 10 can better drive the transmission belt to drive.

[0029] In this embodiment of the present invention, the outer wall of the limiting plate 6 is provided with a through groove, and the locking block 5 is set in the shape of "I". The shorter end of the locking block 5 matches the width of the groove, and the shorter end of the locking block 5 is slidably connected to the inner wall of the groove, so that when the rotating rod 1 is rotated, the sleeve 2 slides on the rotating rod 1, thereby causing the hinge plate 3 to drive the support block 4 to move. Through the cooperation between the locking block 5 and the groove of the limiting plate 6, the support block 4 can move more smoothly on the limiting plate 6, making the position of the support block 4 more stable, thereby making the tension of the auxiliary shaft adjustment more stable.

[0030] In an embodiment of this utility model, the outer wall of the support block 4 is provided with a rotating groove, the rotating seat 86 is slidably connected to the inner wall of the rotating groove, and the end of the spring 87 away from the rotating seat 86 is fixedly connected to the inner wall of the rotating groove. When the rotating pressure rod 81 causes the pushing block 84 to move away from the top inclined block 85, the rotating seat 86 can be driven by the spring 87 to return to the rotating groove, thereby enabling the support block 4 to fix the casing 10.

[0031] In an embodiment of this utility model, one end of the rotating rod 1 is rotatably connected to the outer wall of the limiting plate 6, and the other end of the rotating rod 1 is provided with a torsion block. The sleeve 2 is sleeved on the threaded outer wall of the rotating rod 1, so that when the rotating rod 1 is rotated, the rotating cylinder 7 can move on the rotating rod 1, and the rotating rod 1 will not detach from the rotating cylinder 7, making the tensioning effect of the auxiliary rod more stable.

[0032] In this invention, during use, the rotating rod 1 can be rotated, causing the sleeve 2 to slide on the rotating rod 1, thereby rotating the hinge plate 3 and the support block 4. Simultaneously, the sliding connection between the locking block 5 and the sliding groove of the limiting plate 6 allows the support block 4 to move more smoothly on the limiting plate 6, thus achieving tension adjustment. When the rotating cylinder 7 makes it difficult to rotate the auxiliary shaft, the pressure rod 81 can be rotated, causing the pressure rod 81 to drive the threaded rod 82, moving the connecting plate 83, thereby enabling the two sets of push-tilt blocks 84 to push... The top inclined block 85 causes the rotating seat 86 to rise, preventing the sleeve 10 from being jammed. When the pressure rod 81 rotates, causing the threaded rod 82 to rotate, the end of the threaded rod 82 can rotate within the collar 92. The cooperation between the limiting ring 94 and the limiting groove 93 allows the threaded rod 82 to rotate and move, driving the connecting plate 83 to move together without causing the connecting plate 83 to rotate. This allows the pusher block 84 to push and better fit with the top inclined block 85, thus allowing the roller 88 to rise more smoothly.

[0033] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A width-adjusting tensioning auxiliary shaft that can prevent jamming, comprising a rotating rod (1), a sleeve (2) threadedly connected to the outer wall of the rotating rod (1), a hinge plate (3) hinged to the outer wall of the sleeve (2), a support block (4) hinged to the end of the hinge plate (3) away from the sleeve (2), a locking block (5) fixedly connected to the outer wall of the support block (4), a limiting plate (6) threadedly connected to the outer wall of the locking block (5), a rotating cylinder (7) fixedly connected to the outer wall of the limiting plate (6), and a sleeve shell (10) fitted onto the outer wall of the support block (4), characterized in that: The support block (4) is internally provided with a rolling component (8), the rolling component (8) comprising: A pressure rod (81) passes through the locking block (5) and is slidably connected to the inner wall of the locking block (5). A threaded rod (82) is fixedly connected to one end of the pressure rod (81) near the support block (4). A connecting plate (83) is rotatably connected to one end of the threaded rod (82) away from the pressure rod (81). A pusher block (84) is fixedly connected to the outer wall of the connecting plate (83). A top inclined block (85) is slidably connected to the outer wall of a push inclined block (84). A rotating seat (86) is fixedly connected to one end of the top inclined block (85) away from the push inclined block (84). A spring (87) is fixedly connected to the outer wall of the rotating seat (86). A roller (88) is rotatably connected to the inner wall of the rotating seat (86).

2. The anti-jamming adjustable tensioning auxiliary shaft according to claim 1, characterized in that: The support block (4) is provided with a rotating assembly (9) inside. The rotating assembly (9) includes a rotating block (91). The rotating block (91) is fixedly connected to the end of the pressure rod (81) away from the threaded rod (82). The end of the connecting plate (83) near the threaded rod (82) is rotatably connected to a collar (92). The inner wall of the collar (92) is provided with a limiting groove (93). The end of the threaded rod (82) away from the pressure rod (81) is fixedly connected to a limiting ring (94). The limiting ring (94) is rotatably connected to the inner wall of the limiting groove (93).

3. The anti-jamming adjustable tensioning auxiliary shaft according to claim 1, characterized in that: The inclined surface of the push-in block (84) has the same slope as the inclined surface of the top inclined block (85), and the inclined surface of the push-in block (84) is in contact with the inclined surface of the top inclined block (85). The two ends of the connecting plate (83) are fixedly connected with push-in blocks (84), and the two ends of the rotating seat (86) are fixedly connected with top inclined blocks (85).

4. The anti-jamming adjustable tensioning auxiliary shaft according to claim 1, characterized in that: The number of the support blocks (4) is set to four sets, and the four sets of support blocks (4) are evenly distributed in a circumferential array on the outer wall of the sleeve (2).

5. The anti-jamming adjustable tensioning auxiliary shaft according to claim 4, characterized in that: The outer wall of the limiting plate (6) is provided with a through groove, the locking block (5) is set in the shape of "I", the shorter end of the locking block (5) matches the width of the groove, and the shorter end of the locking block (5) is slidably connected to the inner wall of the groove.

6. The anti-jamming adjustable tensioning auxiliary shaft according to claim 1, characterized in that: The outer wall of the support block (4) is provided with a rotating groove, the rotating seat (86) is slidably connected to the inner wall of the rotating groove, and the end of the spring (87) away from the rotating seat (86) is fixedly connected to the inner wall of the rotating groove.

7. The anti-jamming adjustable tensioning auxiliary shaft according to claim 1, characterized in that: One end of the rotating rod (1) is rotatably connected to the outer wall of the limiting plate (6), the other end of the rotating rod (1) is provided with a torsion block, and the sleeve (2) is sleeved on the threaded outer wall of the rotating rod (1).

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