Quick release structure for roller of treadmill

Abstract

The utility model discloses a treadmill roller quick release structure which comprises a bottom frame, a connecting frame is arranged on the top face of the bottom frame, a front roller and a rear roller are sequentially arranged in the connecting frame from front to back, and a set of first mounting mechanisms matched with the rear roller are symmetrically arranged on the connecting frame. A first mounting mechanism and a second mounting mechanism are arranged at the two ends of the front roller, the first mounting mechanism comprises a groove, a first arc-shaped supporting block is arranged in the groove, a second arc-shaped supporting block is arranged on the first arc-shaped supporting block, the second mounting mechanism comprises a driving wheel matched with the front roller, a sleeve is arranged on the driving wheel, and the sleeve is sleeved with the groove. A threaded groove matched with the threaded rod is formed in the inner wall of the sleeve. Compared with the prior art, the device has the advantages that the rear roller can be quickly mounted through the first mounting mechanism, the front roller is quickly mounted through the cooperation of the first mounting mechanism and the second mounting mechanism, the dismounting and mounting efficiency of the device is improved, and the device is convenient to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to running machine technical field, specifically point to a kind of running machine drum quick release structure. BACKGROUND

[0002] During the use of running machine, drum is one of key components, needs to be frequently disassembled and installed to maintain and maintain;

[0003] However, the traditional running machine drum disassembly structure usually needs to be disassembled using tools, and the disassembly process is complicated and time-consuming, and multiple components need to be assembled, the structure is complex, and the space is large, so a running machine drum quick release structure is needed. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is complex disassembly operation, low efficiency, and a running machine drum quick release structure is provided.

[0005] To solve the above technical problems, the technical scheme provided by the utility model is as follows: a running machine drum quick release structure, including chassis, the top surface of the chassis is provided with a connecting frame, a front drum and a rear drum are sequentially arranged in the connecting frame from front to back, a group of first mounting mechanisms matched with the rear drum are symmetrically arranged on the connecting frame, the front drum is provided with a first mounting mechanism and a second mounting mechanism on both ends of the connecting frame, the first mounting mechanism includes a groove on the top surface of the connecting frame, a moving block is arranged in the groove, a first arc-shaped supporting block is arranged on the top surface of the moving block, a second arc-shaped supporting block is matched and arranged on the first arc-shaped supporting block, a connecting rod extending between the first arc-shaped supporting block and the second arc-shaped supporting block is rotatably arranged on both ends of the rear drum, the connecting rod is rotatably arranged at one end of the front drum, a threaded rod is fixedly arranged at the other end of the front drum, the second mounting mechanism includes a fixed groove matched with the other end of the front drum, a drive wheel is rotatably arranged in the fixed groove, a sleeve is fixedly arranged on the drive wheel, and a threaded groove matched with the threaded rod is arranged on the inner wall of the sleeve.

[0006] As an improvement, a plurality of return springs are uniformly embedded on the side of the first arc-shaped supporting block close to the second arc-shaped supporting block, and the other end of the return spring is fixedly connected with the second arc-shaped supporting block, so as to facilitate the quick limiting and fixing of the front drum and the rear drum.

[0007] As an improvement, a group of lock catch movable parts are symmetrically arranged on the outer wall of the first arc-shaped supporting block, and a group of lock catch fixed parts matched with the lock catch movable parts are symmetrically arranged on the second arc-shaped supporting block, so as to improve the stability of limiting and fixing.

[0008] As improvement, the groove is provided with a screw rod rotating in the groove, the moving block is in threaded connection with the screw rod, and the groove is provided with a limiting groove in sliding connection with the moving block, so that the rear roller can be finely adjusted, and the running belt is more stable.

[0009] As improvement, the front roller extends to the sleeve, the front roller extends to between the first arc-shaped supporting block and the second arc-shaped supporting block, the sleeve is provided with a connecting hole penetrating through the sleeve, the threaded rod is provided with a fixing hole penetrating through the threaded rod, and the connecting hole and the fixing hole are in threaded connection, so that the front roller can be fixed again after installation.

[0010] Compared with the prior art, the front roller is quickly installed through cooperation of the first installation mechanism and the second installation mechanism, the efficiency of disassembly and installation of the device is improved, and maintenance and repair are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 is a first perspective view of a treadmill roller quick release structure.

[0012] Figure 2 is a second perspective view of a treadmill roller quick release structure.

[0013] Figure 3 is a third perspective view of a treadmill roller quick release structure.

[0014] Figure 4 is a front roller perspective view of a treadmill roller quick release structure.

[0015] Figure 5 is Figure 3 a structural schematic view of part A.

[0016] Figure 6 is Figure 3 a structural schematic view of part B.

[0017] As shown in the drawings: 1, the chassis; 2, the connecting frame; 3, the front roller; 4, the rear roller; 5, the first installation mechanism; 6, the second installation mechanism; 7, the groove; 8, the moving block; 9, the first arc-shaped supporting block; 10, the second arc-shaped supporting block; 11, the connecting rod; 12, the threaded rod; 13, the fixed groove; 14, the driving wheel; 15, the threaded groove; 16, the return spring; 17, the lock movable part; 18, the lock fixed part; 19, the screw rod; 20, the limiting groove; 21, the connecting hole; 22, the fixed hole. DETAILED DESCRIPTION

[0018] The utility model discloses make further detailed explanation to the utility model below combining the drawing.

[0019] Embodiment one

[0020] Combine the drawing with Figures 1-3 And 5 show, a treadmill drum quick release structure, including the chassis 1, the top surface of chassis 1 is equipped with the connecting frame 2, the front drum 3 and rear drum 4 are sequentially equipped in the connecting frame 2 from front to back, the connecting frame 2 is equipped with a group of first installation mechanism 5 that cooperates rear drum 4 symmetrically, the first installation mechanism 5 including the recess 7 in the connecting frame 2 top surface, the recess 7 is equipped with moving block 8, the top surface of moving block 8 is equipped with the first arc-shaped support block 9, the first arc-shaped support block 9 is equipped with the second arc-shaped support block 10 in matching, the rear drum 4 both ends are rotatably equipped with the connecting rod 11 that extends between the first arc-shaped support block 9 and the second arc-shaped support block 10, the first arc-shaped support block 9 is uniformly embedded with a plurality of reset spring 16 on the side close to the second arc-shaped support block 10, the other end of reset spring 16 is fixedly connected with the second arc-shaped support block 10, the outer wall of first arc-shaped support block 9 is symmetrically equipped with a group of lock catch movable part 17, the second arc-shaped support block 10 is symmetrically equipped with a group of lock catch fixed part 18 that cooperates with lock catch movable part 17, the recess 7 is rotatably equipped with the lead screw 19, moving block 8 is threadedly connected with the lead screw 19, the recess 7 is equipped with the limit groove 20 that cooperates with the sliding connection of moving block 8;

[0021] Through the above structure, when installing rear drum 4, first pull the second arc-shaped support block 10 to make it away from the first arc-shaped support block 9 under the cooperation of reset spring 16, then place the connecting rod 11 of rear drum 4 both ends between the first arc-shaped support block 9 and the second arc-shaped support block 10, release the second arc-shaped support block 10 to make it close to the top end of connecting rod 11 under the cooperation of reset spring 16, complete the limit fixing operation of connecting rod 11, then use lock catch movable part 17 and lock catch fixed part 18 to connect, complete the fastening fixing operation of rear drum 4, at this moment, rear drum 4 can rotate between connecting rod 11, when needed, rotate the lead screw 19 to make it rotate, can drive moving block 8 to slide in limit groove 20, realize the fine adjustment operation of rear drum 4, thereby improve the stability of running belt fixation;

[0022] Embodiment two

[0023] On the basis of embodiment one combines the drawing with Figure 4 And 6As shown, the front roller 3 is rotatably provided with a connecting rod 11 at one end, and is fixedly provided with a threaded rod 12 at the other end; the second mounting mechanism 6 comprises a fixed groove 13 matched with the other end of the front roller 3, and a driving wheel 14 is rotatably arranged in the fixed groove 13; a sleeve is fixedly arranged on the driving wheel 14, and a threaded groove 15 matched with the threaded rod 12 is arranged on the inner wall of the sleeve; the threaded rod 12 of the front roller 3 extends into the sleeve, and the other end of the front roller 3 extends between the first arc-shaped supporting block 9 and the second arc-shaped supporting block 10; a connecting hole 21 is arranged through the sleeve, and a fixed hole 22 matched with the connecting hole 21 is arranged through the threaded rod 12;

[0024] Through the above structure, when the front roller 3 is installed, the second arc-shaped supporting block 10 is pulled away from the first arc-shaped supporting block 9 under the cooperation of the reset spring 16, the threaded rod 12 of the front roller 3 is screwed with the threaded groove 15 of the sleeve, the connecting rod 11 of the front roller 3 is positioned between the first arc-shaped supporting block 9 and the second arc-shaped supporting block 10, the second arc-shaped supporting block 10 is released to clamp and fix the connecting rod 11, finally, the movable part 17 of the lock is connected with the fixed part 18 of the lock, and the front roller 3 is fixed again by penetrating the connecting hole 21 and the fixed hole 22 with a bolt, at this time, the driving wheel 14 can drive the front roller 3 to rotate under the cooperation of the connecting rod 11.

[0025] The utility model discloses in specific implementation, when installing the rear roller 4, first pull the second arc-shaped supporting block 10 make it be away from the first arc-shaped supporting block 9 under the cooperation of reset spring 16, after the connecting rod 11 of rear roller 4 both ends is placed between the first arc-shaped supporting block 9 and the second arc-shaped supporting block 10, release the second arc-shaped supporting block 10 make it be close to connecting rod 11 top under the cooperation of reset spring 16, complete the limiting fixed operation of connecting rod 11, after using the lock movable part 17 with the lock fixed part 18 connection, complete the fastening fixed operation of rear roller 4, at this time, rear roller 4 can rotate between connecting rod 11, when needing, make it rotate through rotating screw rod 19, can drive the moving block 8 to slide in the limiting groove 20, realize the fine adjustment operation of rear roller 4, thereby improve the stability of running belt fixed;

[0026] When the front roller 3 is installed, the second arc-shaped supporting block 10 is pulled away from the first arc-shaped supporting block 9 under the cooperation of the reset spring 16, the threaded rod 12 of the front roller 3 is screwed with the threaded groove 15 of the sleeve, the connecting rod 11 of the front roller 3 is positioned between the first arc-shaped supporting block 9 and the second arc-shaped supporting block 10, the second arc-shaped supporting block 10 is released to clamp and fix the connecting rod 11, finally, the movable part 17 of the lock is connected with the fixed part 18 of the lock, and the front roller 3 is fixed again by penetrating the connecting hole 21 and the fixed hole 22 with a bolt, at this time, the driving wheel 14 can drive the front roller 3 to rotate under the cooperation of the connecting rod 11.

[0027] When the front roller 3 and the rear roller 4 need to be maintained or serviced, the locking movable part 17 is detached from the locking fixed part 18, then the second arc-shaped supporting block 10 is pulled to move away from the first arc-shaped supporting block 9 under the cooperation of the reset spring 16, and the front roller 3 is rotated to move the threaded rod 12 out of the sleeve, so that the quick release operation of the front roller 3 and the rear roller 4 is completed without the aid of tools, which is simple and easy to operate.

[0028] The above describes the present application and its embodiments, which are not restrictive, and the drawings only show one of the embodiments of the present application, and the actual structure is not limited thereto. In summary, if a person skilled in the art is inspired by the present application, without departing from the creative spirit of the present application, similar structural modes and embodiments can be designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A treadmill roller quick release structure, comprising a chassis (1), the top surface of the chassis (1) is provided with a connecting frame (2), the connecting frame (2) is sequentially provided with a front roller (3) and a rear roller (4) from front to back, characterized in that: a set of first mounting mechanisms (5) matched with the rear roller (4) are symmetrically arranged on the connecting frame (2), the front roller (3) is provided with the first mounting mechanism (5) and a second mounting mechanism (6) on the connecting frame (2), the first mounting mechanism (5) comprises a groove (7) on the top surface of the connecting frame (2), a moving block (8) is arranged in the groove (7), the top surface of the moving block (8) is provided with a first arc-shaped supporting block (9), a second arc-shaped supporting block (10) is matched and arranged on the first arc-shaped supporting block (9), the rear roller (4) is rotatably provided with a connecting rod (11) extending between the first arc-shaped supporting block (9) and the second arc-shaped supporting block (10), one end of the front roller (3) is rotatably provided with the connecting rod (11), the other end of the front roller (3) is fixedly provided with a threaded rod (12), the second mounting mechanism (6) comprises a fixed groove (13) matched with the other end of the front roller (3), a drive wheel (14) is rotatably arranged in the fixed groove (13), a sleeve is fixedly arranged on the drive wheel (14), and a threaded groove (15) matched with the threaded rod (12) is arranged on the inner wall of the sleeve.

2. The quick release structure of a treadmill roller according to claim 1, wherein: A plurality of reset springs (16) are uniformly embedded on one side of the first arc-shaped supporting block (9) close to the second arc-shaped supporting block (10), and the other end of the reset spring (16) is fixedly connected with the second arc-shaped supporting block (10).

3. The quick release structure of a treadmill roller according to claim 1, wherein: A set of lock movable parts (17) are symmetrically arranged on the outer wall of the first arc-shaped supporting block (9), and a set of lock fixed parts (18) matched with the lock movable parts (17) are symmetrically arranged on the second arc-shaped supporting block (10).

4. The quick release structure of a treadmill roller according to claim 1, wherein: A lead screw (19) is rotatably arranged in the groove (7), the moving block (8) is threadedly connected with the lead screw (19), and a limiting groove (20) matched with the moving block (8) in sliding connection is arranged in the groove (7).

5. The quick release structure of a treadmill roller according to claim 1, wherein: One end of the front roller (3) extends into the sleeve, the other end of the front roller (3) extends between the first arc-shaped supporting block (9) and the second arc-shaped supporting block (10), a connecting hole (21) is formed through the sleeve, and a fixed hole (22) matched with the connecting hole (21) is formed through the threaded rod (12).

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