Multi-groove belt pulley

Abstract

The utility model relates to the technical field of belt pulley devices, in particular to a multi-groove belt pulley which comprises a multi-groove belt pulley body and a driving shaft body, the multi-groove belt pulley body is of a hollow structure, and the peripheral wall of the driving shaft body is fixedly connected with a fixed side disc. And the positioning installation assembly comprises an installation groove formed in the peripheral wall of the driving shaft body, the inner side of the multi-groove belt wheel is fixedly connected with a strip-shaped installation block, the strip-shaped installation block is in sliding fit with the installation groove, and the strip-shaped installation block is fixedly connected with an elastic abutting part. Independent mounting and dismounting of the multi-groove belt pulley can be achieved so that the multi-groove belt pulley can be dismounted, maintained and replaced, meanwhile, the positioning and mounting efficiency of the multi-groove belt pulley can be improved, the movable side disc can be conveniently, rapidly and stably mounted and dismounted, and the dismounting, maintaining and operating efficiency of the multi-groove belt pulley can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a pulley device technical field, concretely relates to a multi -slot pulley. BACKGROUND

[0002] The pulley is a kind of mechanical transmission component, usually by rim, hub and spoke etc. It relies on the friction between belt and rim to transmit power, and multi -slot pulley refers to the pulley with multiple wheel grooves on the rim, multiple wheel grooves on the multi -slot pulley can accommodate multiple belts simultaneously, compared with ordinary pulley, it can transmit more power, and in some complex transmission system, it can also realize more accurate power distribution and transmission ratio adjustment, and it is commonly used in industrial automation production line and automobile engine auxiliary system and other occasions with high transmission performance requirements.

[0003] The prior art has the following problems when in use:

[0004] During the long-term use, the belt and the wheel groove will be worn due to more friction, and the multi -slot pulley is large in size, so the dismounting and maintenance operation is more complicated, and the multi -slot pulley cannot be quickly disassembled, maintained and replaced, resulting in low efficiency of dismounting and maintenance operation of the multi -slot pulley. UTILITY MODEL CONTENTS

[0005] In view of the above shortcomings of the prior art, the utility model provides a multi -slot pulley, which can effectively solve the problem of low efficiency of dismounting and maintenance operation of the multi -slot pulley in the prior art.

[0006] To achieve the above purpose, the utility model realizes by the following technical scheme:

[0007] The utility model provides a multi -slot pulley, which comprises:

[0008] The multi -slot pulley is provided with a hollow structure, and the driving shaft body is fixedly connected with a fixed side disc on the outer peripheral wall;

[0009] The positioning and mounting assembly comprises a mounting groove formed in the outer peripheral wall of the driving shaft body, the multi -slot pulley is fixedly connected with a strip-shaped mounting block on the inner side, the strip-shaped mounting block is in sliding cooperation with the mounting groove, the strip-shaped mounting block is fixedly connected with an elastic abutting component, and the elastic abutting component is used for quickly completing the installation and positioning of the strip-shaped mounting block and the mounting groove;

[0010] The outer peripheral wall of the driving shaft body is slidably connected with a movable side disc, the movable side disc is provided in annular structure, and the inner side of the movable side disc is fixedly connected with two quick dismounting and mounting assemblies.

[0011] Further, the elastic abutting component comprises a positioning sleeve fixedly connected to the strip-shaped mounting block, two adapter sliding plates are slidably connected to the inner wall of the positioning sleeve, abutting shaft bodies are fixedly connected to the outer walls of the two adapter sliding plates, the two abutting shaft bodies respectively penetrate through the two axial side walls of the positioning sleeve, a plurality of positioning grooves are formed in the inner side of the mounting groove, and the abutting shaft bodies are matched with the positioning grooves.

[0012] Further, the elastic abutting component further comprises a compression spring fixedly connected between the two adapter sliding plates, and the compression spring is made of alloy steel.

[0013] Further, the quick dismounting assembly comprises a mounting protrusion fixedly connected to the inner side of the movable side disc, the mounting protrusion is in sliding fit with the mounting groove, a pin shaft is fixedly connected to the axial outer wall of the movable side disc, a bidirectional damping bearing is fixedly mounted to the outer peripheral wall of the pin shaft, a dismounting support is fixedly connected to the outer ring of the bidirectional damping bearing, a concave fixing frame is fixedly connected to the axial outer wall of the driving shaft body, a locking screw is threadedly connected to the concave fixing frame, a threaded hole is formed in the end portion of the dismounting support, and the locking screw is in threaded rotary fit with the threaded hole.

[0014] Further, the outer surfaces of the multi-groove pulley, the fixed side disc and the movable side disc are coated with rust-proof coating layers, and the outer diameters of the fixed side disc and the movable side disc are larger than the outer diameter of the multi-groove pulley.

[0015] Further, the end portion of the locking screw, away from the concave fixing frame, is fixedly connected with a dismounting knob.

[0016] Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

[0017] In the utility model, the independent installation and dismounting of the multi-groove pulley can be realized by the sliding fit of the strip-shaped mounting block in the multi-groove pulley with the mounting groove on the driving shaft body and the movable side disc supporting the dismounting, so that the multi-groove pulley can be dismounted, maintained and replaced, the elastic abutting shaft bodies can be quickly inserted into the positioning grooves by the elastic potential energy of the compression spring, and the positioning and installation efficiency of the multi-groove pulley is improved; and the quick dismounting assembly is arranged, the dismounting support supporting the rotation can be clamped and limited by the concave fixing frame when the movable side disc is installed, the dismounting support is fully locked and fixed by the threaded rotary fit of the locking screw with the threaded hole, and the quick and stable installation and dismounting operation of the movable side disc is facilitated, so that the dismounting and maintenance efficiency of the multi-groove pulley is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only 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.

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the present application.

[0020] Figure 2 It is a schematic diagram of the partial structure of the multi-groove pulley in the present application.

[0021] Figure 3 It is a sectional view of the partial structure of the positioning sleeve in the present application.

[0022] Figure 4 It is a schematic diagram of the partial structure of the driving shaft body in the present application.

[0023] Figure 5 It is an exploded view of the partial structure of the quick disassembly and assembly component in the present application.

[0024] The drawings are as follows: 1, multi-groove pulley; 2, driving shaft body; 3, fixed side disc; 4, mounting groove; 5, strip-shaped mounting block; 6, movable side disc; 7, positioning sleeve; 8, adapter slide plate; 9, abutting shaft body; 10, positioning groove; 11, pressure spring; 12, mounting protrusion; 13, bidirectional damping bearing; 14, disassembly support; 15, concave fixing frame; 16, locking screw; 17, threaded through hole; 18, disassembly knob. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0026] The present application will be further described below in combination with the embodiments.

[0027] Embodiment: refer to Figures 1 to 5The utility model provides a kind of multi-groove pulley, including: multi-groove pulley 1, drive shaft body 2 and positioning installation component, multi-groove pulley 1 is arranged using hollow structure, and fixedly connected with fixed side disc 3 on the outer peripheral wall of drive shaft body 2;Positioning installation component includes installation groove 4 being opened in the outer peripheral wall of drive shaft body 2, and the inside of multi-groove pulley 1 is fixedly connected with strip-shaped mounting block 5, and strip-shaped mounting block 5 is slidably matched with installation groove 4, and strip-shaped mounting block 5 is fixedly connected with elastic abutment component, and elastic abutment component is used for quickly completing the installation positioning of strip-shaped mounting block 5 and installation groove 4, and elastic abutment component includes positioning sleeve 7 fixedly connected on strip-shaped mounting block 5, two transfer sliding plates 8 are slidably connected on the inner wall of positioning sleeve 7, the outer wall of two transfer sliding plates 8 is fixedly connected with abutment shaft body 9, and two abutment shaft bodies 9 respectively penetrate the two axial side walls of positioning sleeve 7, and the inside of installation groove 4 is provided with a plurality of positioning grooves 10, and abutment shaft body 9 is matched with positioning groove 10;

[0028] With the sliding cooperation of strip-shaped mounting block 5 and installation groove 4 and the movable side disc 6 that can be supported and disassembled, the independent installation and disassembly of the multi-groove pulley 1 can be realized, so that the multi-groove pulley 1 can be disassembled, maintained and replaced. When the strip-shaped mounting block 5 slides relative to the installation groove 4 during the installation of the multi-groove pulley 1, the abutment shaft body 9 can be quickly inserted into the positioning groove 10 by the elastic force potential of the pressure spring 11, so as to improve the positioning and installation efficiency of the multi-groove pulley 1.

[0029] Referring to Figure 1 、 Figure 4 and Figure 5 , the outer peripheral wall of the drive shaft body 2 is slidably connected with the movable side disc 6, the movable side disc 6 is arranged in a ring structure, the outer surfaces of the multi-groove pulley 1, the fixed side disc 3 and the movable side disc 6 are coated with a rust-proof coating, the outer diameters of the fixed side disc 3 and the movable side disc 6 are larger than the outer diameter of the multi-groove pulley 1, the inside of the movable side disc 6 is fixedly connected with two quick disassembly and assembly components, the elastic abutment component further includes a pressure spring 11 fixedly connected between the two transfer sliding plates 8, the pressure spring 11 is made of alloy steel, the quick disassembly and assembly component includes a mounting protrusion 12 fixedly connected to the inside of the movable side disc 6, the mounting protrusion 12 is slidably matched with the installation groove 4, the axial outer wall of the movable side disc 6 is fixedly connected with a pin shaft, the outer peripheral wall of the pin shaft is fixedly installed with a bidirectional damping bearing 13, the outer ring of the bidirectional damping bearing 13 is fixedly connected with a disassembly and assembly support 14, the axial outer wall of the drive shaft body 2 is fixedly connected with a concave fixing frame 15, the concave fixing frame 15 is threadedly connected with a locking screw 16 penetrating therethrough, the end of the locking screw 16 away from the concave fixing frame 15 is fixedly connected with a disassembly and assembly knob 18, the end of the disassembly and assembly support 14 is provided with a threaded hole 17, and the locking screw 16 is threadedly rotatably matched with the threaded hole 17.

[0030] The concave fixing bracket 15 is used to lock and limit the rotation of the disassembly bracket 14, and the locking screw 16 is driven to rotate by turning the disassembly knob 18, so that the locking screw 16 can be threadedly rotated with the threaded through hole 17, thereby fully locking and fixing the disassembly bracket 14, so as to enable the quick and stable installation and disassembly of the movable side plate 6, effectively improving the efficiency of disassembly and maintenance of the multi-groove pulley 1.

[0031] The working principle of this utility model is as follows:

[0032] 1. When installing and disassembling the multi-groove pulley 1, the inner strip mounting block 5 of the multi-groove pulley 1 is connected to the mounting groove 4 on the drive shaft 2. The sliding fit between the strip mounting block 5 and the mounting groove 4, as well as the movable side plate 6 that supports disassembly and assembly, can realize the independent installation and disassembly of the multi-groove pulley 1, so as to disassemble, maintain and replace the multi-groove pulley 1. At the same time, during the installation of the multi-groove pulley 1, when the strip mounting block 5 slides relative to the mounting groove 4, the elastic potential energy of the pressure spring 11 can elastically push the abutment shaft 9 to quickly enter the positioning groove 10, thereby improving the positioning and installation efficiency of the multi-groove pulley 1.

[0033] 2. When the movable side plate 6 is disassembled and used, the concave fixing bracket 15 can be used to lock and limit the rotation of the disassembly and assembly bracket 14, and the locking screw 16 can be driven to rotate by turning the disassembly and assembly knob 18, so that the locking screw 16 can be threadedly rotated with the threaded through hole 17, thereby fully locking and fixing the disassembly and assembly bracket 14, so as to quickly and stably install and disassemble the movable side plate 6, effectively improving the efficiency of disassembly and maintenance of the multi-groove pulley 1.

[0034] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of this utility model.

Claims

1. A multi-groove pulley, characterized in that, include: A multi-groove pulley (1) and a drive shaft (2) are provided. The multi-groove pulley (1) is hollow and the drive shaft (2) is fixedly connected to a fixed side plate (3) on its outer peripheral wall. The positioning and installation assembly includes a mounting groove (4) formed on the outer peripheral wall of the drive shaft (2), a strip-shaped mounting block (5) fixedly connected to the inner side of the multi-groove pulley (1), the strip-shaped mounting block (5) slidingly engaging with the mounting groove (4), and an elastic abutment component fixedly connected to the strip-shaped mounting block (5), the elastic abutment component being used to quickly complete the installation and positioning of the strip-shaped mounting block (5) and the mounting groove (4); The drive shaft (2) has a movable side plate (6) slidably connected to its outer peripheral wall. The movable side plate (6) is arranged in a ring shape, and two quick-release components are fixedly connected to the inner side of the movable side plate (6).

2. The multi-groove pulley according to claim 1, characterized in that, The elastic abutment component includes a positioning sleeve (7) fixedly connected to the strip mounting block (5). The inner wall of the positioning sleeve (7) is slidably connected to two transition slide plates (8). The outer walls of the two transition slide plates (8) are fixedly connected to abutment shafts (9). The two abutment shafts (9) pass through the two axial side walls of the positioning sleeve (7) respectively. The inner side of the mounting groove (4) is provided with several positioning grooves (10). The abutment shafts (9) match the positioning grooves (10).

3. A multi-groove pulley according to claim 2, characterized in that, The elastic abutment component also includes a pressure spring (11) fixedly connected between the two transition slides (8), and the pressure spring (11) is made of alloy steel.

4. A multi-groove pulley according to claim 1, characterized in that, The quick-release assembly includes a mounting protrusion (12) fixedly connected to the inner side of the movable side plate (6). The mounting protrusion (12) slides in fit with the mounting groove (4). A pin is fixedly connected to the outer wall of the movable side plate (6). A bidirectional damping bearing (13) is fixedly installed on the outer peripheral wall of the pin. A disassembly bracket (14) is fixedly connected to the outer ring of the bidirectional damping bearing (13). A concave fixing bracket (15) is fixedly connected to the outer wall of the drive shaft (2). A locking screw (16) is threaded through the concave fixing bracket (15). A threaded through hole (17) is opened at the end of the disassembly bracket (14). The locking screw (16) and the threaded through hole (17) are threadedly rotated in fit.

5. A multi-groove pulley according to claim 1, characterized in that, The outer surfaces of the multi-groove pulley (1), the fixed side plate (3) and the movable side plate (6) are all coated with an anti-rust coating. The outer diameter of the fixed side plate (3) and the movable side plate (6) is larger than the outer diameter of the multi-groove pulley (1).

6. A multi-groove pulley according to claim 4, characterized in that, The end of the locking screw (16) away from the concave fixing bracket (15) is fixedly connected to a disassembly knob (18).

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