Novel dustproof automobile air conditioner electromagnetic clutch belt pulley

Abstract

The utility model belongs to the technical field of belt pulleys, and particularly relates to a novel dustproof automobile air conditioner electromagnetic clutch belt pulley which comprises a belt pulley body, a limiting device is arranged in the belt pulley body, and the limiting device comprises a rivet, a mounting cylinder, an annular groove and a partition plate. And the rivet is inserted into the belt pulley body, so that the mounting cylinder is stably clamped in the circular ring groove. According to the novel dustproof automobile air conditioner electromagnetic clutch belt pulley, in order to prevent the belt pulley body from being excessively abraded, a protection plate is installed on the outer side of the belt pulley body, fixing columns on the inner side of the protection plate abut against rivets to prevent the rivets from falling off, and a threaded rod penetrates through the interior of the protection plate to be installed in the belt pulley body; the protection plate is stably installed outside the belt pulley body, the limiting rod limits the threaded rod and prevents the threaded rod from loosening, the limiting rod is clamped between every two screws, the position of the limiting rod is kept stable, then it is guaranteed that the threaded rod cannot fall off from the belt pulley body, and the protection plate is not prone to falling off.

Description

Technical Field

[0001] The utility model relates to the technical field of pulleys, in particular to a novel dustproof automobile air-conditioning electromagnetic clutch pulley. Background Art

[0002] For example, in a new type of dustproof automobile air-conditioning clutch pulley with a friction plate structure disclosed on the Chinese Patent Network (application number: 202222612753.0), in order to prevent the pulley from being excessively worn, a friction plate is installed on the outside of the pulley to protect the pulley and prevent excessive friction of the pulley. However, after the friction plate is installed, there is a lack of a limiting device, which causes the friction plate to fall off, making the pulley unable to be stably protected. Utility Model Content

[0003] Based on the technical problem that the existing pulley protection mechanism may fall off and thus cannot provide stable protection, the utility model proposes a novel dustproof automobile air-conditioning electromagnetic clutch pulley.

[0004] The utility model proposes a novel dustproof automobile air-conditioning electromagnetic clutch pulley, comprising a pulley body, wherein a limiting device is arranged inside the pulley body, wherein the limiting device comprises a rivet, a mounting tube, an annular groove and a partition, wherein the rivet is inserted into the pulley body to stably clamp the mounting tube in the annular groove, and the partition is clamped in the annular groove to divide the annular groove into a plurality of parts.

[0005] Preferably, the annular groove is opened on the left side surface of the pulley body, and several of the partitions are fixedly installed inside the annular groove. Several of the annular grooves are distributed in a circular array with the axis of the pulley body as the array center, and the outer surface of the pulley body is provided with tooth grooves.

[0006] Through the above technical solution, the annular groove is opened on the side of the pulley body, and the tooth groove increases the friction of the pulley body, making it easier for the pulley body to drive the belt.

[0007] Preferably, several of the rivets are slidably inserted into the interior of the pulley body, several of the rivets are placed on the inner side of the annular groove, several of the mounting tubes are slidably inserted into the interior of the annular groove, and several of the mounting tubes are distributed in a circular array with the axis of the pulley body as the array center, and the inner surface of the mounting tube is in contact with the outer surface of the rivet.

[0008] Through the above technical solution, the rivet is installed in the annular groove and clamped on the inner side of the installation tube, so that the installation tube can be stably clamped inside the annular groove.

[0009] Preferably, a mounting ring is fixedly mounted on the left side surface of the pulley body, the interior of the mounting ring is rotatably connected to a rotating rod, the outer surface of the rotating rod is fixedly connected to a rotating ring, and the outer surface of the rotating ring is rotatably connected to the interior of the mounting ring.

[0010] Through the above technical solution, the rotating ring is clamped inside the mounting ring for rotation, ensuring that the rotating rod is stably clamped inside the mounting ring for rotation.

[0011] Preferably, a limit rod is fixedly installed on the front end surface of the rotating rod, and a plurality of the limit rods are distributed in a circular array with the axis of the pulley body as the array center. A protective plate is arranged close to the left side surface of the pulley body, and a fixing column is fixedly installed on the inner surface of the protective plate, and the top surface of the fixing column is in contact with the outer surface of the rivet.

[0012] Through the above technical solution, the rotating rod is stuck in the mounting ring and rotates, allowing the limit rod to swing along the outside of the protective plate. The protective plate is attached to the outside of the pulley body to protect the pulley body and prevent excessive wear.

[0013] Preferably, the internal thread of the protective plate is connected to a threaded rod, the threaded rod passes through the interior of the protective plate and is connected to the internal thread of the pulley body, the outer surface of the limiting rod contacts the head surface of the threaded rod, the internal thread of the protective plate is connected to a screw, and the outer surface of the screw contacts the outer surface of the limiting rod.

[0014] Through the above technical solution, the threaded rod passes through the inside of the protective plate and is installed inside the pulley body, the protective plate is stably installed outside the pulley body, and the limit rod restricts the threaded rod to prevent the threaded rod from loosening.

[0015] The beneficial effects of the present invention are:

[0016] By setting a limit device, in order to prevent the pulley body from being subjected to excessive wear, a protective plate is installed on the outside of the pulley body, and the fixed column on the inside of the protective plate holds the rivet to prevent the rivet from falling off, and the threaded rod passes through the inside of the protective plate and is installed inside the pulley body, so that the protective plate is stably installed outside the pulley body, and the limit rod limits the threaded rod to prevent it from loosening. Every two screws clamp the limit rod in the middle to keep the position of the limit rod stable, thereby ensuring that the threaded rod cannot fall off from the pulley body and the protective plate is not easy to fall off, thereby preventing the pulley protection mechanism from falling off and causing unstable protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of a new type of dustproof automobile air conditioner electromagnetic clutch pulley proposed by the utility model;

[0018] Figure 2This is a cross-sectional view of the pulley body structure of a new type of dust-proof automobile air-conditioning electromagnetic clutch pulley proposed by the utility model;

[0019] Figure 3 This is a three-dimensional diagram of the pulley structure of a new type of dust-proof automobile air-conditioning electromagnetic clutch pulley proposed by the utility model;

[0020] Figure 4 The utility model is a cross-sectional view of a protective plate structure of a new type of dust-proof automobile air-conditioning electromagnetic clutch pulley.

[0021] In the figure: 1. Pulley body; 11. Tooth groove; 12. Mounting ring; 13. Rotating rod; 14. Rotating ring; 15. Limit rod; 16. Protective plate; 17. Fixed column; 18. Threaded rod; 19. Screw; 2. Rivet; 3. Mounting cylinder; 4. Circular ring groove; 5. Partition. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-Figure 4 A new type of dustproof automobile air-conditioning electromagnetic clutch pulley includes a pulley body 1. In order to facilitate the limiting of the pulley protection mechanism, a limiting device is arranged inside the pulley body 1. The limiting device includes a rivet 2, a mounting cylinder 3, an annular groove 4 and a partition 5. The rivet 2 is inserted into the pulley body 1 to stably clamp the mounting cylinder 3 in the annular groove 4. The partition 5 is clamped in the annular groove 4 to divide the annular groove 4 into multiple parts.

[0024] In order to make it easier for the pulley body 1 to drive the belt, an annular groove 4 is opened on the left surface of the pulley body 1, and a number of partitions 5 are fixedly installed inside the annular groove 4. The annular grooves 4 are distributed in a circular array with the axis of the pulley body 1 as the array center. A tooth groove 11 is opened on the outer surface of the pulley body 1. The annular groove 4 is opened on the side of the pulley body 1. The tooth groove 11 increases the friction of the pulley body 1, allowing the pulley body 1 to drive the belt more easily.

[0025] In order to ensure that the mounting tube 3 can be stably stuck in the annular groove 4, several rivets 2 are slidably inserted in the inside of the pulley body 1, several rivets 2 are placed on the inner side of the annular groove 4, several mounting tubes 3 are slidably inserted in the inside of the annular groove 4, and several mounting tubes 3 are distributed in a circular array with the axis of the pulley body 1 as the array center. The inner surface of the mounting tube 3 contacts the outer surface of the rivet 2, and the rivet 2 is installed in the annular groove 4 and stuck on the inner side of the mounting tube 3, so that the mounting tube 3 can be stably stuck in the inside of the annular groove 4.

[0026] In order to ensure that the rotating rod 13 is stably stuck in the mounting ring 12 and rotates, a mounting ring 12 is fixedly installed on the left surface of the pulley body 1, the internal rotation of the mounting ring 12 is connected to the rotating rod 13, the outer surface of the rotating rod 13 is fixedly connected to the rotating ring 14, the outer surface of the rotating ring 14 is rotationally connected to the internal part of the mounting ring 12, the rotating ring 14 is stuck in the internal part of the mounting ring 12 and rotates, ensuring that the rotating rod 13 is stably stuck in the mounting ring 12 and rotates.

[0027] In order to prevent excessive wear of the pulley body 1, a limit rod 15 is fixedly installed on the front end surface of the rotating rod 13. A plurality of limit rods 15 are distributed in a circular array with the axis of the pulley body 1 as the array center. A protective plate 16 is arranged close to the left surface of the pulley body 1. A fixing column 17 is fixedly installed on the inner surface of the protective plate 16. The top surface of the fixing column 17 contacts the outer surface of the rivet 2. The rotating rod 13 is clamped in the mounting ring 12 and rotates, so that the limit rod 15 can swing along the outside of the protective plate 16. The protective plate 16 is attached to the outside of the pulley body 1 to protect the pulley body 1 and prevent excessive wear.

[0028] In order to prevent the threaded rod 18 from loosening, the internal thread of the protective plate 16 is connected to the threaded rod 18, and the threaded rod 18 passes through the inside of the protective plate 16 and is connected to the internal thread of the pulley body 1. The outer surface of the limiting rod 15 contacts the head surface of the threaded rod 18, and the internal thread of the protective plate 16 is connected to the screw 19, and the outer surface of the screw 19 contacts the outer surface of the limiting rod 15. The threaded rod 18 passes through the inside of the protective plate 16 and is installed inside the pulley body 1. The protective plate 16 is stably installed outside the pulley body 1, and the limiting rod 15 restricts the threaded rod 18 to prevent the threaded rod 18 from loosening.

[0029] By setting a limiting device, in order to prevent the pulley body 1 from being subjected to excessive wear, a protective plate 16 is installed on the outside of the pulley body 1, and the fixed column 17 on the inside of the protective plate 16 supports the rivet 2 to prevent the rivet 2 from falling off, and the threaded rod 18 passes through the inside of the protective plate 16 and is installed inside the pulley body 1, so that the protective plate 16 is stably installed on the outside of the pulley body 1, and the limiting rod 15 limits the threaded rod 18 to prevent the threaded rod 18 from loosening. Every two screws 19 clamp the limiting rod 15 in the middle to keep the position of the limiting rod 15 stable, thereby ensuring that the threaded rod 18 cannot fall off from the pulley body 1, and the protective plate 16 is not easy to fall off, thereby preventing the pulley protection mechanism from falling off and causing unstable protection.

[0030] Working principle: In order to prevent the pulley body 1 from being subjected to excessive wear, a protective plate 16 is installed on the outside of the pulley body 1. The fixed column 17 on the inside of the protective plate 16 holds the rivet 2 to prevent the rivet 2 from falling off, and the threaded rod 18 passes through the inside of the protective plate 16 and is installed inside the pulley body 1. The protective plate 16 is stably installed on the outside of the pulley body 1. The limit rod 15 limits the threaded rod 18 to prevent the threaded rod 18 from loosening. Every two screws 19 clamp the limit rod 15 in the middle to keep the position of the limit rod 15 stable, thereby ensuring that the threaded rod 18 cannot fall off from the pulley body 1 and the protective plate 16 is not easy to fall off.

[0031] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A novel dustproof automobile air conditioner electromagnetic clutch pulley, comprising a pulley body (1), characterized in that: A limiting device is arranged inside the pulley body (1), and the limiting device comprises a rivet (2), a mounting tube (3), an annular groove (4) and a partition (5). The rivet (2) is inserted into the pulley body (1) so that the mounting tube (3) is stably clamped in the annular groove (4), and the partition (5) is clamped in the annular groove (4) so ​​as to divide the annular groove (4) into a plurality of parts.

2. The new dustproof automobile air conditioner electromagnetic clutch pulley according to claim 1 is characterized in that: The annular groove (4) is provided on the left side surface of the pulley body (1), and a plurality of partitions (5) are fixedly installed inside the annular groove (4). The annular grooves (4) are distributed in a circular array with the axis of the pulley body (1) as the array center, and a tooth groove (11) is provided on the outer surface of the pulley body (1).

3. The new dustproof automobile air conditioner electromagnetic clutch pulley according to claim 1 is characterized in that: A plurality of the rivets (2) are slidably inserted into the interior of the pulley body (1), a plurality of the rivets (2) are placed inside the annular groove (4), a plurality of the mounting tubes (3) are slidably inserted into the interior of the annular groove (4), a plurality of the mounting tubes (3) are distributed in a circular array with the axis of the pulley body (1) as the array center, and the inner surface of the mounting tube (3) contacts the outer surface of the rivet (2).

4. The new dustproof automobile air conditioner electromagnetic clutch pulley according to claim 1 is characterized in that: A mounting ring (12) is fixedly mounted on the left side surface of the pulley body (1), the interior of the mounting ring (12) is rotatably connected to a rotating rod (13), the outer surface of the rotating rod (13) is fixedly connected to a rotating ring (14), and the outer surface of the rotating ring (14) is rotatably connected to the interior of the mounting ring (12).

5. The new dustproof automobile air conditioner electromagnetic clutch pulley according to claim 4 is characterized in that: A limiting rod (15) is fixedly installed on the front end surface of the rotating rod (13), and a plurality of the limiting rods (15) are distributed in a circular array with the axis of the pulley body (1) as the array center. A protective plate (16) is arranged close to the left side surface of the pulley body (1), and a fixing column (17) is fixedly installed on the inner side surface of the protective plate (16), and the top end surface of the fixing column (17) contacts the outer surface of the rivet (2).

6. The new type dustproof automobile air conditioner electromagnetic clutch pulley according to claim 5 is characterized in that: The internal thread of the protective plate (16) is connected to a threaded rod (18), and the threaded rod (18) passes through the interior of the protective plate (16) and is connected to the internal thread of the pulley body (1). The outer surface of the limiting rod (15) contacts the head surface of the threaded rod (18). The internal thread of the protective plate (16) is connected to a screw (19), and the outer surface of the screw (19) contacts the outer surface of the limiting rod (15).

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