Dustproof cover structure of steering column

Abstract

The utility model belongs to the field of steering column dust prevention, and particularly relates to a steering column dust cover structure which comprises a steering column body, a rotating shaft is rotatably connected to the inner wall of the steering column body, a positioning table is fixedly connected to the top of the steering column body, and a dust prevention assembly is arranged on the positioning table and comprises a cover body. A cover body is inserted into the outer wall of the positioning table, a positioning seat is fixedly connected to the inner wall of the cover body, an insertion hole is formed in the positioning seat, and a positioning column is fixedly connected to the top of the positioning table. According to the steering column dust cover structure, a traditional metal pressing plate and a screw are replaced by the dust cover assembly for locking, during installation, only the cover body needs to be inserted into the positioning table and pressed to complete fixing, the number of parts is greatly reduced (screws and pressing plates are omitted), assembly steps are greatly reduced, and working hours are shortened; the dustproof cover can adapt to space limitation of different vehicle types, and the adaptability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steering column dustproof technical field, concretely is a kind of steering column dust cover structure. BACKGROUND

[0002] The dust cover of automobile steering gear is the key component to ensure the cleanliness of steering system, and its function is to isolate external dust, water vapor and other pollutants from invading the steering gear housing through the gap between pinion shaft and vehicle body sheet metal.

[0003] At present, the traditional steering gear dust cover scheme (such as adopting single-layer dust cover + metal pressing plate split structure) has the following defects: redundant structure and inefficient assembly: additional metal pressing plate and screw fixing are needed, which increases the cost of parts procurement and management, and multiple station operation is needed during installation, which leads to complex assembly process and easy sealing failure due to screw missing, therefore, we propose a steering column dust cover structure. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a steering column dust cover structure, which can solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the steering column dust cover structure provided by the utility model comprises a steering column body, a rotating shaft is rotatably connected to the inner wall of the steering column body, a positioning table is fixedly connected to the top of the steering column body, a dustproof assembly is arranged on the positioning table, and the dustproof assembly comprises:

[0006] Cover body, a cover body is inserted into the outer wall of the positioning table, and a positioning seat is fixedly connected to the inner wall of the cover body;

[0007] Hole, a hole is formed in the positioning seat, and a positioning column is fixedly connected to the top of the positioning table;

[0008] Positioning ring groove, a positioning ring groove is formed in the positioning column, and a positioning rod is slidably connected to the inner wall of the positioning seat;

[0009] Push block, a push block is fixedly connected to the outer wall of the positioning rod, and the positioning seat and the push block are elastically connected by a spring.

[0010] Preferably, the positioning column can be inserted into the hole, and the positioning rod can be slid into the positioning ring groove.

[0011] Preferably, the inner wall of the cover body is fixedly connected with a receiving seat, the inner wall of the receiving seat is slidably connected with a guide rod, and the top of the guide rod is fixedly connected with a movable sleeve.

[0012] Preferably, a placing ring groove is formed in the movable sleeve, and foam cotton is fixedly connected to the inner wall of the placing ring groove.

[0013] Preferably, the inner wall of the receiving seat is slidingly connected with a receiving block, the receiving seat and the receiving block are elastically connected through a spring two, and the receiving seat and the movable sleeve are elastically connected through a spring three.

[0014] Preferably, the outer wall of the pushing block 47 is fixedly connected with a connecting rod 12, the guide rod 6 is provided with a clamping groove 13, and the receiving block 10 can be clamped in the clamping groove 13.

[0015] The utility model provides a dust cover structure of steering column possesses following beneficial effect:

[0016] (1), this dust cover structure of steering column replaces traditional metal pressing plate and screw lock through dustproof subassembly, only need to insert cover body into positioning table and press to complete fixed when installing, greatly reduce spare parts quantity (cancel screw, pressing plate) and assembly step, shorten working hours, simultaneously realize the space limit of dust cover adaptation different vehicle type through the elastic telescopic design of receiving seat and movable sleeve, improve the adaptability of the device.

[0017] (2), this dust cover structure of steering column is inserted and is matched through the positioning rod and the positioning ring groove, and the first heavy fixed is formed in combination with the elastic reset action of spring one, and the connecting rod linkage receiving block is used for exerting secondary pressure on the pushing block, the positioning rod is effectively prevented from slipping off caused by vehicle vibration, the connection stability of the dust cover and the steering column body is remarkably improved, and the dustproof effect is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creating labor.

[0019] Figure 1 It is the whole three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the cover body and the positioning table part explosion section view structure schematic diagram of the utility model;

[0021] Figure 3 It is the positioning seat and the positioning rod part section view structure schematic diagram of the utility model;

[0022] Figure 4 It is the receiving seat and the receiving block part section view structure schematic diagram of the utility model.

[0023] Explanation of reference numerals: 1, steering column body; 2, rotating shaft; 3, positioning table; 4, dustproof assembly; 41, cover body; 42, positioning seat; 43, insertion hole; 44, positioning column; 45, positioning ring groove; 46, positioning rod; 47, push block; 48, spring I; 5, storage seat; 6, guide rod; 7, movable sleeve; 8, placing ring groove; 9, foam cotton; 10, storage block; 11, spring II; 12, connecting rod; 13, clamping notch; 14, spring III.

[0024] The realization, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-4 The utility model provides a kind of steering column dust cover structure, including steering column body 1, the inner wall of the steering column body 1 is connected with rotating shaft 2, the top of the steering column body 1 is fixedly connected with positioning table 3, dustproof assembly 4 is provided on the positioning table 3, the dustproof assembly 4 includes cover body 41, the outer wall of the positioning table 3 is inserted with cover body 41, the inner wall of the cover body 41 is fixedly connected with positioning seat 42, insertion hole 43 is opened on the positioning seat 42, the top of the positioning table 3 is fixedly connected with positioning column 44, positioning ring groove 45 is opened on the positioning column 44, the inner wall of the positioning seat 42 is slidably connected with positioning rod 46, the outer wall of the positioning rod 46 is fixedly connected with push block 47, the positioning seat 42 and push block 47 are elastically connected by spring I 48.

[0027] In the utility model, the positioning column 44 can be inserted into insertion hole 43, the positioning rod 46 can be slid into positioning ring groove 45, positioning seat 42 and positioning column 44 are provided with two groups, cover body 41 is oriented by two positioning columns 44, so that cover body 41 cannot rotate.

[0028] Further, the inner wall of the cover body 41 is fixedly connected with a receiving seat 5, the inner wall of the receiving seat 5 is slidably connected with a guide rod 6, the top of the guide rod 6 is fixedly connected with a movable sleeve 7, the movable sleeve 7 is provided with a placing ring groove 8, the inner wall of the placing ring groove 8 is fixedly connected with foam cotton 9, the foam cotton 9 is placed through the placing ring groove 8, the foam cotton 9 is conveniently matched with the body sheet metal through the elastic connection of the movable sleeve 7, the space limitation of the dust cover for different vehicle models is also realized, and the adaptability of the device is improved.

[0029] Further, the inner wall of the receiving seat 5 is slidably connected with a receiving block 10, the receiving block 10 is designed in a T shape, the receiving seat 5 and the receiving block 10 are elastically connected through a spring 11, the receiving seat 5 and the movable sleeve 7 are elastically connected through a spring 14, the outer wall of the push block 47 is fixedly connected with a connecting rod 12, the guide rod 6 is provided with a clamping groove 13, the receiving block 10 can be clamped in the clamping groove 13, the end of the connecting rod 12 away from the push block 47 is designed in the same height as the receiving block 10, and the receiving block 10 can be closely attached to the connecting rod 12 through the cooperation of the spring 11.

[0030] In use, in order to store the device, the movable sleeve 7 can be moved to drive the guide rod 6 to move on the receiving seat 5, so that the position of the clamping groove 13 changes, when the clamping groove 13 moves to the specified area, the movable sleeve 7 is located in the inside of the cover body 41 at this time, the receiving block 10 is driven to move in the direction of the receiving seat 5 through the action of the spring 11, and then the receiving block 10 slides into the clamping groove 13, the position of the guide rod 6 is limited at this time, and then the position of the movable sleeve 7 is limited, and the storage of the movable sleeve 7 is completed.

[0031] The cover body 41 is moved, the positioning column 44 is inserted into the insertion hole 43, the positioning rod 46 is extruded through the slope of the positioning column 44, the positioning rod 46 slides on the surface of the positioning column 44, the positioning rod 46 can automatically slide into the positioning ring groove 45 through the spring 48, the fixing work of the cover body 41 and the steering column body 1 is completed, and convenience and convenience are achieved.

[0032] When the positioning rod 46 slides into the positioning ring groove 45, the push block 47 is ensured to be close to the positioning column 44 through the spring 48, so that the positioning rod 46 is prevented from sliding out of the positioning ring groove 45 due to vibration, and the receiving block 10 is also close to the positioning column 44 through the spring 11, at this time, the receiving block 10 pushes the connecting rod 12, so that the connecting rod 12 is close to the receiving seat 5 and the positioning column 44, and then the push block 47 is close to the positioning column 44, and the double guarantee scheme can improve the stability of the device and ensure the dustproof effect.

[0033] The above merely describes preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the inventive concept of the present application, and using the content of the present application specification and drawings, are included in the patent protection scope of the present application.

Claims

1. A steering column duster structure comprising a steering column body (1), characterized in that: The inner wall of the steering column body (1) is rotatably connected with a rotating shaft (2), the top of the steering column body (1) is fixedly connected with a positioning table (3), the positioning table (3) is provided with a dustproof assembly (4), the dustproof assembly (4) comprises: The outer wall of the positioning table (3) is inserted with a cover body (41), the inner wall of the cover body (41) is fixedly connected with a positioning seat (42); The positioning seat (42) is provided with a insertion hole (43), the top of the positioning table (3) is fixedly connected with a positioning column (44); The positioning column (44) is provided with a positioning ring groove (45), the inner wall of the positioning seat (42) is slidably connected with a positioning rod (46); The outer wall of the positioning rod (46) is fixedly connected with a push block (47), the positioning seat (42) and the push block (47) are elastically connected through a spring (48).

2. A column shroud structure according to claim 1, characterized by: The positioning column (44) can be inserted into the insertion hole (43), and the positioning rod (46) can be inserted into the positioning ring groove (45).

3. A column shroud structure according to claim 1, wherein: The inner wall of the cover body (41) is fixedly connected with a receiving seat (5), the inner wall of the receiving seat (5) is slidably connected with a guide rod (6), and the top of the guide rod (6) is fixedly connected with a movable sleeve (7).

4. A column shroud structure according to claim 3, wherein: The movable sleeve (7) is provided with a placing ring groove (8), and the inner wall of the placing ring groove (8) is fixedly connected with foam cotton (9).

5. A column shroud structure according to claim 4, wherein: The inner wall of the receiving seat (5) is slidably connected with a receiving block (10), the receiving seat (5) and the receiving block (10) are elastically connected through a spring (11), and the receiving seat (5) and the movable sleeve (7) are elastically connected through a spring (14).

6. A column shroud structure according to claim 5, wherein: The outer wall of the push block (47) is fixedly connected with a connecting rod (12), the guide rod (6) is provided with a clamping groove (13), and the receiving block (10) can be clamped in the clamping groove (13).

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