Adjustable walking machine belt pulley seat

Abstract

The utility model discloses an adjustable walking machine belt pulley seat, which belongs to the technical field of walking machines and comprises a casing, sliding bases are fixedly connected to the bottoms of two sides of an inner cavity of the casing respectively, and moving seats are slidably connected to the inner sides of the two sliding bases respectively. The top ends of the two moving seats extend to the top of the sliding base correspondingly and are fixedly connected with supporting seats, and the top faces of the two supporting seats are fixedly connected with belt pulley supports correspondingly. According to the device, the two transmission shafts and the two second bevel gears are driven by the double-shaft motor to rotate synchronously, the two screws are driven to rotate synchronously through meshing transmission between the two second bevel gears and the two first bevel gears, and the two supporting seats are driven to move synchronously through threaded transmission between the two screws and the two supporting seats. And the position of the roller is adjusted, so that the tightness of a belt on the roller is conveniently adjusted, and the practicability of the adjustable belt pulley seat of the walking machine is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to walking machine technical field more specifically, relate to a kind of adjustable walking machine pulley seat. BACKGROUND

[0002] In recent years, with the importance of people to healthy life and the acceleration of life rhythm, home fitness equipment gradually becomes market hotspot, walking machine is a kind of equipment specially designed for indoor fitness, mainly used for fast walking or jogging, suitable for users with limited space or lower exercise intensity.

[0003] Through the retrieval, the utility model patent with disclosure number CN222033533U discloses a walking machine driving device and walking machine, wherein the inside and / or outside of the servo motor of the walking machine driving device is provided with an encoder and is connected through the encoder and the controller; the transmission shaft of the servo motor is drivingly connected to the walking machine drum; the controller adjusts the change direction and change amplitude of the rotation angle of the servo motor to the encoder; when the rotation angle of the servo motor changes bidirectionally and alternately, the walking machine drum is driven to vibrate horizontally; when the rotation angle of the servo motor changes unidirectionally, the walking machine drum is driven to rotate unidirectionally; the walking machine or treadmill based on the walking machine driving device can drive the walking machine drum to vibrate, rotate unidirectionally or vibrate horizontally in the process of unidirectional rotation. However, the above-mentioned patent still has the following deficiencies: although the position of the front drum can be adjusted to adjust the tightness of the walking machine belt by rotating the adjusting bolt, two adjusting bolts need to be rotated simultaneously, and the adjustment convenience is poor, and the adjusted adjusting bolt is not convenient to fix, so that the tightness stability of the adjusted belt is not convenient to ensure. Therefore, we propose a kind of adjustable walking machine pulley seat. UTILITY MODEL CONTENTS

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a kind of adjustable walking machine pulley seat.

[0005] To solve the above problems, the utility model adopts the following technical solutions:

[0006] The utility model provides a adjustable treadmill pulley wheel seat, including the casing, the bottom of both sides in the cavity of casing is fixedly connected with sliding base respectively, the inboard of two sliding base is slidably connected with mobile seat respectively, the top of two mobile seat extends to the top of sliding base and is fixedly connected with support seat respectively, the top surface of two support seat all is fixedly connected with pulley wheel support, rotatably connected with the drum between two pulley wheel supports, the cavity of casing is fixedly connected with two support blocks, two support blocks are rotatably connected with screw rod respectively, one end of two screw rod is screwed to the inside of two support seat respectively, the other end of two screw rod all is fixedly sleeved with first bevel gear, the cavity of casing is fixedly installed with double shaft motor, two output shafts of double shaft motor are fixedly connected with transmission shaft respectively, the outside of two transmission shafts is fixedly sleeved with second bevel gear, two second bevel gears and two first bevel gears are engaged with each other, the outside of two screw rod all is fixedly sleeved with brake disc, and the cavity of casing is provided with two brake mechanisms.

[0007] As a preferred scheme of the utility model, the brake mechanism includes an electric push rod fixedly installed at the top of the cavity of the casing, and the output end of the electric push rod is fixedly connected with a brake arc-shaped seat.

[0008] As a preferred scheme of the utility model, the cavity of the casing is fixedly connected with two support plates, and one end of each of the two transmission shafts is rotatably connected with a support plate.

[0009] As a preferred scheme of the utility model, the side surface of the mobile seat is attached to the inner wall of the sliding base, and the bottom surface of the mobile seat is attached to the bottom surface of the cavity of the casing.

[0010] As a preferred scheme of the utility model, the bottom surface of the support seat is attached to the top surface of the sliding base.

[0011] As a preferred scheme of the utility model, the inner diameter of the brake arc-shaped seat is equal to the outer diameter of the brake disc.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] (1) In the utility model, the double shaft motor drives the two transmission shafts and the two second bevel gears to rotate synchronously, the meshing transmission between the two second bevel gears and the two first bevel gears drives the two screw rods to rotate synchronously, the threaded transmission between the two screw rods and the two support seats drives the two support seats to move synchronously, so as to adjust the position of the drum, and conveniently adjust the tightness of the belt on the drum, thereby improving the practicability of the adjustable treadmill pulley wheel seat.

[0014] (2) The utility model discloses a screw rod and support seat between the thread cooperation to the position of the roller is adjusted, utilizes electric push rod to drive brake stop arc -shaped seat to go down, makes the inside surface of brake stop arc -shaped seat bottom -end and the outside surface of brake stop disc top -end be in abutment to the brake stop disc extrusion fixed, then fixes the screw rod, fixes the position of support seat, belt pulley support and roller after adjusting, improves the working quality of adjustable treadmill belt pulley seat. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the inside schematic diagram of the utility model shell;

[0017] Figure 3 It is the whole cross section schematic diagram of the utility model;

[0018] Figure 4 It is the structure schematic diagram of the utility model support block.

[0019] Mark explanation in drawing:

[0020] 1, shell;2, sliding base;3, moving seat;4, support seat;5, belt pulley support;6, roller;7, support block;8, screw rod;9, first bevel gear;10, double shaft motor;11, transmission shaft;12, second bevel gear;13, brake stop disc;14, brake stop mechanism;15, electric push rod;16, brake stop arc -shaped seat;17, support plate. DETAILED DESCRIPTION

[0021] The technical schemes in the embodiments of the utility model will be described clearly and completely in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "up", "down", "inner", "outer", "top / bottom end" is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, so it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it is necessary to explain, unless another explicit provision and limitation, the term "installation", "set with", "sleeve set / interface", "connection" and so on, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Embodiment:

[0025] Please refer to Figures 1-4 An adjustable treadmill pulley seat, including casing 1, the bottom of the two sides in the cavity of casing 1 is fixedly connected with sliding base 2 respectively, the inner side of two sliding bases 2 is slidably connected with moving seat 3 respectively, the top of two moving seats 3 extends to the top of sliding base 2 and is fixedly connected with support seat 4 respectively, the top surface of two support seats 4 is fixedly connected with pulley support 5 respectively, the rotationally connected with roller 6 between two pulley supports 5, the inner cavity of casing 1 is fixedly connected with two support blocks 7, two support blocks 7 are rotatably connected with screw rod 8 respectively, one end of two screw rods 8 is screwed to the inside of two support seats 4 respectively, the other end of two screw rods 8 is fixedly sleeved with first bevel gear 9, the inner cavity of casing 1 is fixedly installed with double-shaft motor 10, the two output shafts of double-shaft motor 10 are fixedly connected with transmission shaft 11 respectively, the outer side of two transmission shafts 11 is fixedly sleeved with second bevel gear 12 respectively, two second bevel gears 12 and two first bevel gears 9 are engaged with each other, the outer side of two screw rods 8 is fixedly sleeved with brake disc 13, the inner cavity of casing 1 is provided with two brake mechanisms 14.

[0026] In the embodiment, the double-shaft motor 10 is controlled by the controller of the treadmill, the screw holes threadedly sleeved with the screw rods 8 are arranged on the two support seats 4, so that the support seats 4, the moving seats 3 and the rollers 6 are driven to move through the threaded cooperation between the support seats 4 and the screw rods 8.

[0027] Specifically, please refer to Figure 2 And Figure 4 The brake mechanism 14 includes the electric push rod 15 fixedly installed at the top of the inner cavity of the casing 1, the output end of the electric push rod 15 is fixedly connected with the brake arc-shaped seat 16, the inner side surface of the bottom end of the brake arc-shaped seat 16 and the outer side surface of the top end of the brake disc 13 are in abutment.

[0028] In the embodiment, the electric push rod 15 is controlled by the controller of the treadmill.

[0029] Specifically, please refer to Figure 3The inner cavity of the casing 1 is fixedly connected with two support plates 17, and the two support plates 17 are rotatably connected with one end of the two transmission shafts 11 respectively.

[0030] In the embodiment, the transmission shaft 11 is supported by the support plate 17, so that the strength of the transmission shaft 11 supporting the second bevel gear 12 is ensured.

[0031] Specifically, please refer to Figure 1 and Figure 2 The side surface of the moving seat 3 is attached to the inner wall of the sliding base 2, and the bottom surface of the moving seat 3 is attached to the bottom surface of the inner cavity of the casing 1.

[0032] In the embodiment, the moving seat 3 is limited by the inner wall of the sliding base 2, so that the moving seat 3, the support seat 4, the belt pulley support 5 and the roller 6 can only move along the axial direction of the screw rod 8.

[0033] Specifically, please refer to Figure 2 The bottom surface of the support seat 4 is attached to the top surface of the sliding base 2.

[0034] In the embodiment, the support seat 4 is supported by the top surface of the sliding base 2, so that the strength of the support seat 4 supporting the belt pulley support 5 and the roller 6 is ensured.

[0035] Specifically, please refer to Figure 4 The inner diameter of the stop arc-shaped seat 16 is equal to the outer diameter of the stop disc 13.

[0036] In the embodiment, it is ensured that the stop arc-shaped seat 16 can extrude and fix the outer side of the stop disc 13.

[0037] Working principle: when it is necessary to adjust the tightness of the belt of the walking machine, first, start the double-shaft motor 10 to drive the two transmission shafts 11 to rotate, drive the two second bevel gears 12 to rotate synchronously through the two transmission shafts 11, drive the two screw rods 8 to rotate through the meshing transmission between the two second bevel gears 12 and the two first bevel gears 9, drive the two support seats 4 and the two moving seats 3 to move synchronously through the thread cooperation between the two screw rods 8 and the two support seats 4, so as to drive the roller 6 above the two support seats 4 to move, and then adjust the tightness of the belt sleeved on the roller 6, and then start the electric push rod 15 to drive the stop arc-shaped seat 16 to move downward, so that the inner side surface at the bottom end of the stop arc-shaped seat 16 is in abutment with the outer side surface at the top end of the stop disc 13, so as to extrude and fix the stop disc 13, and then fix the screw rod 8, so as to fix the positions of the support seat 4, the belt pulley support 5 and the roller 6 after adjustment.

[0038] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and improvement concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An adjustable treadmill pulley seat comprising a housing (1) characterised in that: The bottom of the inner cavity of the shell (1) is respectively fixedly connected with a sliding base (2), the inner sides of the two sliding bases (2) are respectively slidably connected with a moving seat (3), the top ends of the two moving seats (3) extend to the top of the sliding base (2) and are fixedly connected with a support seat (4), the top surfaces of the two support seats (4) are fixedly connected with a belt pulley support (5), a roller (6) is rotatably connected between the two belt pulley supports (5), the inner cavity of the shell (1) is fixedly connected with two support blocks (7), the two support blocks (7) are respectively rotatably connected with a screw rod (8), one end of the two screw rods (8) is respectively threadedly sleeved into the interior of the two support seats (4), the other end of the two screw rods (8) is fixedly sleeved with a first bevel gear (9), the inner cavity of the shell (1) is fixedly installed with a double-shaft motor (10), the two output shafts of the double-shaft motor (10) are respectively fixedly connected with a transmission shaft (11), the outer sides of the two transmission shafts (11) are respectively fixedly sleeved with a second bevel gear (12), the two second bevel gears (12) and the two first bevel gears (9) are in mesh with each other, the outer sides of the two screw rods (8) are fixedly sleeved with a brake disc (13), and the inner cavity of the shell (1) is provided with two brake mechanisms (14).

2. An adjustable treadmill pulley mount according to claim 1, wherein: The brake mechanism (14) comprises a motorized push rod (15) fixedly installed at the top of the inner cavity of the shell (1), the output end of the motorized push rod (15) is fixedly connected with a brake arc-shaped seat (16), and the inner side surface of the bottom end of the brake arc-shaped seat (16) is in abutment with the outer side surface of the top end of the brake disc (13).

3. An adjustable treadmill pulley mount according to claim 1, wherein: The inner cavity of the shell (1) is fixedly connected with two support plates (17), and one end of each of the two transmission shafts (11) is rotatably connected with a support plate (17).

4. An adjustable treadmill pulley mount according to claim 1, wherein: The side surface of the moving seat (3) is in abutment with the inner wall of the sliding base (2), and the bottom surface of the moving seat (3) is in abutment with the bottom surface of the inner cavity of the shell (1).

5. An adjustable treadmill pulley mount according to claim 1, wherein: The bottom surface of the support seat (4) is in abutment with the top surface of the sliding base (2).

6. An adjustable treadmill pulley mount according to claim 2, wherein: The inner diameter of the brake arc-shaped seat (16) is equal to the outer diameter of the brake disc (13).

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