Novel belt wheel frame

By designing a pulley frame with a detachable and easily detachable pulley seat and an adjustable pulley seat, the problems of inconvenient installation and inflexible position adjustment of traditional pulley frames are solved, the rapid installation and distance adjustment of the pulleys are achieved, and the stability and reliability of the belt transmission system are improved.

CN223459822UActive Publication Date: 2025-10-21SANMEN CHANGXING TRANSMISSION PARTS CO LTD
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Patent Information

Application Number
CN202422757367.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-10-21
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

The traditional pulley frame design is inconvenient to install and disassemble, and the pulley position adjustment is not flexible, which makes it difficult to adjust the tension of the synchronous belt, limiting the application range and performance of the belt drive system.

Method used

A pulley frame is designed, which includes a detachable and easily detachable pulley seat and an adjustable pulley seat. Combined with a limiting structure and an adjustment mechanism, the pulley can be quickly installed and the distance adjusted.

Benefits of technology

It realizes convenient installation and disassembly of the pulley, supports flexible adjustment of the pulley distance, and improves the stability and reliability of the belt transmission system.

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Abstract

The utility model relates to a novel belt wheel frame which comprises a supporting frame, the front end and the rear end of the supporting frame are detachably connected with an easily-detached belt wheel base and an adjustable belt wheel base respectively, a rear belt wheel is arranged on the adjustable belt wheel base in a front-back sliding mode, and an adjusting mechanism used for adjusting the front-back moving position of the rear belt wheel is further arranged on the adjustable belt wheel base. The easily-disassembled belt wheel seat comprises a left seat plate and a right seat plate, the left seat plate and the right seat plate are each provided with a belt wheel installation groove with an upward opening, the belt wheel installation grooves are in a U shape, limiting seats are detachably installed on the belt wheel installation grooves, the lower ends of the limiting seats are in a cambered surface shape, and the limiting seats and the lower sides of the belt wheel installation grooves are combined to form circular notches. A front belt wheel is arranged between the left seat plate and the right seat plate, the middle of the front belt wheel is connected with a rotating shaft, and the two ends of the rotating shaft penetrate out of the round notches.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical transmission device field, especially a novel pulley frame. BACKGROUND

[0002] Among various mechanical equipment, belt drive is a common power transmission mode. Belt drive system usually includes one or more pulleys connected by belts to achieve power transmission. As a key component supporting the pulley, the pulley frame is crucial to ensure the stability and reliability of the belt drive system. Traditional pulley frame design has some limitations, such as inconvenient installation and removal of pulleys, and inflexible adjustment of pulley position leading to inconvenient adjustment of synchronous belt tension. These problems limit the application range and performance of the belt drive system.

[0003] With the continuous improvement of industrial automation level, the market demand for belt drive systems is increasing, and higher requirements are also put forward. For example, in some application scenarios, it may be necessary to frequently replace pulleys of different specifications, or dynamically adjust the distance between pulleys according to actual working conditions to optimize transmission efficiency and reduce wear. Therefore, it is particularly urgent to develop a pulley frame that can facilitate pulley installation and removal and support distance adjustment between pulleys. SUMMARY

[0004] The utility model provides a novel pulley frame which can facilitate pulley installation and removal and support distance adjustment between pulleys, solving the above problems in the use of the prior art.

[0005] The technical solution of the utility model is as follows: a novel pulley frame includes a support frame, the front and rear ends of the support frame are respectively detachably connected with a detachable pulley seat and an adjustable pulley seat, a rear pulley is slidably arranged on the adjustable pulley seat, an adjusting mechanism for adjusting the front and rear movement position of the rear pulley is further arranged on the adjustable pulley seat, the detachable pulley seat includes a left seat plate and a right seat plate, a pulley mounting groove with its opening facing upward is formed on each of the left seat plate and the right seat plate, the pulley mounting groove is in U shape, a limiting seat is detachably mounted on the pulley mounting groove, the lower end of the limiting seat is arc-shaped and combined with the lower side of the pulley mounting groove to form a circular notch, a front pulley is arranged between the left seat plate and the right seat plate, a rotating shaft is connected to the middle part of the front pulley, and the two ends of the rotating shaft pass through the circular notch.

[0006] Preferably, a limiting step is formed on the front and rear sidewalls of the upper side of the pulley mounting groove of each of the left seat plate and the right seat plate, and a resisting block is arranged on the limiting step of the limiting seat.

[0007] Preferably, the left seat plate and the right seat plate are provided with vertical clamping grooves penetrating the limiting steps upward on the front and rear sidewalls of the pulley mounting groove, the limiting seat is provided with vertical clamping strips for clamping into the vertical clamping grooves, the left seat plate and the right seat plate are provided with horizontal clamping grooves on the upper side of the limiting steps on the front and rear sidewalls of the pulley mounting groove, and the limiting seat is provided with horizontal protrusions for clamping in the horizontal clamping grooves.

[0008] Preferably, the right seat plate is integrally formed with a base and a rear seat, and the left seat plate is detachably connected to the base and the rear seat through screws.

[0009] Preferably, the front and rear ends of the support frame are provided with threaded holes, the easy-to-disassemble pulley seat and the adjustable pulley seat are provided with through holes corresponding to the threaded holes, the easy-to-disassemble pulley seat and the adjustable pulley seat are provided with side limiting blocks and bottom limiting blocks on the side facing the support frame, the side limiting blocks are provided with two and abut against the left and right sides of the support frame, and the bottom limiting block abuts against the lower side of the support frame.

[0010] Preferably, the inside of the support frame is provided with a lower belt opening penetrating from front to back, the easy-to-disassemble pulley seat is provided with a belt passing opening corresponding to the lower belt opening on the side facing the support frame, the adjustable pulley seat is provided with a through hole on the side facing the support frame, the upper side of the support frame is provided with a synchronous belt support plate, the easy-to-disassemble pulley seat is provided with a reverse buckle, and the front end of the synchronous belt support plate is provided with a reverse buckle slot for clamping the reverse buckle.

[0011] Preferably, the inside of the support frame is provided with a lower belt opening penetrating from front to back, the easy-to-disassemble pulley seat is provided with a belt passing opening corresponding to the lower belt opening on the side facing the support frame, the adjustable pulley seat is provided with a through hole on the side facing the support frame, the upper side of the support frame is provided with a synchronous belt support plate, the easy-to-disassemble pulley seat is provided with a reverse buckle, and the front end of the synchronous belt support plate is provided with a reverse buckle slot for clamping the reverse buckle.

[0012] In summary, the beneficial effects of the present application are as follows:

[0013] 1. In the present application, the front pulley is installed in the pulley mounting groove through the rotating shaft and is installed on the opening on the upper side of the pulley mounting groove through the limiting seat. When disassembling, only the limiting seat needs to be disassembled, so that the front pulley can be quickly disassembled and replaced. In addition, the rear pulley is arranged on the adjustable pulley seat through front and rear sliding, and the front and rear positions of the rear pulley can be adjusted through the adjusting mechanism, so that the distance between the pulleys is adjusted.

[0014] 2. The left seat plate and the right seat plate are provided with limiting steps, vertical clamping grooves and horizontal clamping grooves, which also ensure that the limiting seat is firmly and reliably clamped in the pulley mounting groove. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0017] Figure 2 It is Figure 1 It is a schematic diagram of the structure when observed from another angle.

[0018] Figure 3 It is a schematic diagram of the structure after the motor and the synchronous belt are installed in the present application.

[0019] Figure 4 It is a schematic diagram of the structure after the adjustable pulley seat is removed in the present application.

[0020] Figure 5 It is a schematic diagram of the structure after the adjustable pulley seat and the easy-to-disassemble pulley seat are removed in the present application.

[0021] Figure 6 It is a schematic diagram of the structure of the easy-to-disassemble pulley seat in the present application.

[0022] Figure 7 It is Figure 6 It is a schematic diagram of the structure of the easy-to-disassemble pulley seat in the present application.

[0023] Figure 8 It is a schematic diagram of the structure of the easy-to-disassemble pulley seat in the present application.

[0024] Figure 9 It is a schematic diagram of the structure of the adjustable pulley seat in the present application.

[0025] Figure 10 It is a schematic diagram of the structure of the adjustable pulley seat in the present application.

[0026] In the figure: 1. Support frame; 11. Threaded hole; 12. Lower belt opening; 13. Synchronous belt support plate; 14. Undercut notch; 2. Easy-to-remove pulley seat; 21. Left seat plate; 22. Right seat plate; 23. Pulley mounting groove; 24. Limit step; 25. Vertical slot; 26. Horizontal slot; 27. Base; 28. Rear seat; 281. Belt opening; 282. Undercut; 29. ​​Circular notch; 3. Limit seat; 31. Stop block; 32. Vertical clip strip; 33. Horizontal ridge; 4. Front pulley; 41. Rotating shaft; 5. Adjustable pulley seat; 51. Through-hole; 52. Slide groove; 53. Block seat; 54. Adjusting screw; 6. Rear pulley; 61. Rotating shaft; 71. Through-hole; 72. Side limit block; 73. Bottom limit block; 81. Synchronous belt; 82. Motor. DETAILED DESCRIPTION

[0027] The following is a combination of the appended examples of the present invention Figures 1-10 , clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0028] Example:

[0029] like Figures 1 to 10 As shown, the utility model discloses a new type of wheeled frame, including a support frame 1, as shown in FIG. Figure 1 and Figure 2 As shown, the front and rear ends of the support frame 1 are detachably connected to a detachable pulley seat 2 and an adjustable pulley seat 5, as shown in FIG. Figure 2 and Figure 10 As shown, the adjustable pulley seat 5 is provided with a rear pulley 6 that can slide forward and backward, and the adjustable pulley seat 5 is also provided with an adjustment mechanism for adjusting the position of the rear pulley 6 to move forward and backward. Figures 6 to 8 As shown, the easily removable pulley seat 2 includes a left seat plate 21 and a right seat plate 22. A pulley mounting groove 23 with an upward opening is provided on the left seat plate 21 and the right seat plate 22. The pulley mounting groove 23 is U-shaped, and a limit seat 3 can be detachably installed on the pulley mounting groove 23. The lower end of the limit seat 3 is arc-shaped and is combined with the lower side of the pulley mounting groove 23 to form a circular notch 29. Figure 1 As shown, a front pulley 4 is provided between the left seat plate 21 and the right seat plate 22. A rotating shaft 41 is connected to the middle of the front pulley 4. Both ends of the rotating shaft 41 pass through the circular notch 29. When installing and using, Figure 3As shown, the motor 82 is fixed on the right seat plate 22 , and the output shaft of the motor 82 is connected to the rotating shaft 41 , thereby being used to drive the rotating shaft 41 . In addition, a synchronous belt 81 is provided between the front pulley 4 and the rear pulley 6 .

[0030] like Figures 6 to 8 As shown, the specific structure of the limit seat 3 installed on the left seat plate 21 and the right seat plate 22 is: the left seat plate 21 and the right seat plate 22 are both provided with limit steps 24 on the front and rear side walls on the upper side of the pulley mounting groove 23, and the limit seat 3 is provided with a stop block 31 for supporting the upper side of the limit step 24. In addition, both the left seat plate 21 and the right seat plate 22 are provided with vertical slots 25 on the front and rear side walls of the pulley mounting groove 23, which penetrate upward through the limiting step 24, and the limiting seat 3 is provided with a vertical clip 32 for snapping into the vertical slot 25. Then, both the left seat plate 21 and the right seat plate 22 are also provided with horizontal slots 26 on the upper side of the limiting step 24 on the front and rear side walls of the pulley mounting groove 23, and the limiting seat 3 is provided with a horizontal ridge 33 for snapping into the horizontal slot 26. Through the arrangement of the above structure, the limiting seat 3 can be stably and reliably installed on the pulley mounting groove 23, and the front pulley 4 can be removed and replaced after the limiting seat 3 is disassembled.

[0031] In addition, Figure 8 As shown, a base 27 and a rear seat 28 are integrally formed on the right seat plate 22, and the left seat plate 21 can be detachably connected to the base 27 and the rear seat 28 by screws. The left seat plate 21 and the right seat plate 22 of the easily detachable pulley seat 2 of the present invention can be directly separated. In extreme cases, such as when the limit seat 3 cannot be removed, this structure is helpful for the disassembly and assembly of the front pulley.

[0032] like Figure 4 and Figure 5 As shown, threaded holes 11 are provided at both ends of the support frame 1. Figure 6 and Figure 9 As shown, the easily detachable pulley seat 2 and the adjustable pulley seat 5 are both provided with a through hole 71 corresponding to the threaded hole 11. The screw 9 is passed through the through hole 71 and threadedly connected to the threaded hole 11 so that the easily detachable pulley seat 2 and the adjustable pulley seat 5 can be fixed to the support frame 1. In addition, the easily detachable pulley seat 2 and the adjustable pulley seat 5 are both provided with a side limit block 72 and a bottom limit block 73 on the side facing the support frame 1. Figure 4 As shown, two side limit blocks 72 are provided and abut against the left and right sides of the support frame 1, and the bottom limit block 73 abuts against the lower side of the support frame 1. Through the setting of this structure, the easily removable pulley seat 2 and the adjustable pulley seat 5 can be accurately positioned on the support frame 1, and fixed stably and reliably by screws.

[0033] like Figure 4 and Figure 5As shown, the lower belt port 12 is provided in the support frame 1 in front and back directions. Figure 6 With Figure 9 As shown, the easy-to-disassemble pulley seat 2 is provided with a belt passing port 281 corresponding to the lower belt port 12 on the side facing the support frame 1, and the adjustable pulley seat 5 is provided with a passing port 51 on the side facing the support frame 1. Figure 1 、 Figure 2 And Figure 5 As shown, the support frame 1 is provided with a synchronous belt support plate 13 on the upper side, and the easy-to-disassemble pulley seat 2 is provided with a reverse buckle 282, and the front end of the synchronous belt support plate 13 is provided with a reverse buckle groove 14 for the reverse buckle 282 to be clamped into, when the synchronous belt 81 is installed on the front pulley 4 and the rear pulley 6, the upper side of the synchronous belt 81 is located on the synchronous belt support plate 13, and the synchronous belt support plate 13 plays a supporting role, and the lower side of the synchronous belt 81 passes through the belt passing port 281, the lower belt port 12 and the passing port 51.

[0034] As shown, Figure 10 The rotation shaft 61 is rotatably provided in the inside of the rear pulley 6, and the adjustable pulley seat 5 is provided with a sliding groove 52 with an opening facing the rear on the left and right ends of the rotation shaft 61, the rotation shaft 61 extends into the sliding groove 52, and the rotation shaft 61 can only slide forward and backward in the sliding groove 52, and the stop seat 53 is detachably connected at the opening position of the sliding groove 52 at the rear end of the adjustable pulley seat 5, the adjustment screw 54 is rotatably connected on the stop seat 53, the adjustment screw 54 is threadedly connected with the rotation shaft 61, and the rotation shaft 61 can be controlled to move forward and backward by rotating the adjustment screw 54, so as to realize the distance adjustment of the rear pulley 6 and the front pulley 4, and in addition, the structure is convenient for disassembling the rear pulley 6.

[0035] At the same time, it needs to be pointed out that the terms indicated by the utility model are as follows: "front", "rear", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0036] The above description is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A novel wheeled stand, characterized by: The support frame is detachably connected with an easy-to-detach pulley seat and an adjustable pulley seat at the front and rear ends, respectively, a rear pulley is slidably arranged on the adjustable pulley seat, an adjusting mechanism for adjusting the front and rear movement of the rear pulley is further arranged on the adjustable pulley seat, the easy-to-detach pulley seat comprises a left seat plate and a right seat plate, a pulley mounting groove with an upward opening is formed in each of the left seat plate and the right seat plate, the pulley mounting groove is in a U shape, a limiting seat is detachably mounted on the pulley mounting groove, the lower end of the limiting seat is arc-shaped and combined with the lower side of the pulley mounting groove to form a circular notch, a front pulley is arranged between the left seat plate and the right seat plate, a rotating shaft is connected to the middle part of the front pulley, and the two ends of the rotating shaft extend out of the circular notch.

2. A new type of wheeled stand according to claim 1, characterized in that: Limiting steps are formed on the front and rear side walls of the pulley mounting groove of each of the left seat plate and the right seat plate, and a stopper is arranged on the limiting seat and used for abutting against the upper side of the limiting step.

3. A new type of wheeled stand according to claim 2, characterized in that: A vertical clamping groove penetrating through the limiting step upward is formed on the front and rear side walls of the pulley mounting groove of each of the left seat plate and the right seat plate, a vertical clamping strip is arranged on the limiting seat and used for clamping into the vertical clamping groove, and a horizontal clamping groove is formed on the upper side of the limiting step on the front and rear side walls of the pulley mounting groove of each of the left seat plate and the right seat plate, a horizontal protruding strip is arranged on the limiting seat and used for clamping in the horizontal clamping groove.

4. A new type of wheeled stand according to claim 1, characterized in that: The right seat plate is integrally formed with a base and a rear seat, and the left seat plate is detachably connected to the base and the rear seat by screws.

5. A new type of wheeled stand according to claim 1, characterized in that: Threaded holes are formed at the front and rear ends of the support frame, and through holes corresponding to the threaded holes are arranged on the easy-to-detach pulley seat and the adjustable pulley seat, side limiting blocks and bottom limiting blocks are arranged on the side of the easy-to-detach pulley seat and the adjustable pulley seat facing the support frame, the two side limiting blocks abut against the left and right sides of the support frame, and the bottom limiting blocks abut against the lower side of the support frame.

6. A new type of wheeled stand according to claim 1, characterized in that: A lower belt opening is formed in the support frame, a belt passing opening corresponding to the lower belt opening is formed on the side of the easy-to-detach pulley seat facing the support frame, and a through hole is formed on the side of the adjustable pulley seat facing the support frame, a synchronous belt supporting plate is arranged on the upper side of the support frame, a reverse clamping is arranged on the easy-to-detach pulley seat, and a reverse clamping groove for clamping the reverse clamping is formed on the front end of the synchronous belt supporting plate.

7. A new type of wheeled stand according to claim 1, characterized in that: A rotating shaft is rotatably sleeved in the inner side of the rear pulley, a sliding groove with a rear opening is formed at the left and right ends of the rotating shaft on the adjustable pulley seat, the rotating shaft extends into the sliding groove at the left and right ends, a blocking seat is detachably connected to the rear end opening of the sliding groove on the adjustable pulley seat, an adjusting screw is rotatably connected to the blocking seat, and the adjusting screw is threadedly connected with the rotating shaft.