CN217453731U

CN217453731U - Combined tool for disassembling automobile steering wheel

Info

Publication number: CN217453731U
Application number: CN202221179065.3U
Authority: CN
Inventors: 杨森; 杨光生
Original assignee: Tengzhou Jinjing Glass Co ltd; Shandong Jin Jing Technology Co ltd
Current assignee: Tengzhou Jinjing Glass Co ltd; Shandong Jin Jing Technology Co ltd
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-09-20
Anticipated expiration: 2032-05-17

Abstract

The utility model belongs to the technical field of automobile steering wheels, in particular to a combined tool for disassembling an automobile steering wheel, which comprises a guide rod; the end part of the guide rod is fixedly connected with a limiting block, and the two limiting blocks are connected in parallel; the end part of the guide rod is connected with a pin bush in a sliding way; the end part of the pin sleeve is fixedly connected with a clamping plate; the end part of the clamping plate is provided with a groove; the stress is even when making steering wheel bearing and hydraulic gearbox F axle and R bearing dismantle, can not cause the damage to bearing itself, more can not spread relevant spare part to make the bearing life-span have very big improvement, reduce the accessory and damage the consumption, and improved maintainer's maintenance efficiency, just alone can easily take out, very big improvement work efficiency, the risk factor that brings when also having avoided knocking simultaneously.

Description

Combined tool for disassembling automobile steering wheel

Technical Field

The utility model relates to a car steering wheel technical field specifically is a combination tool is used in car steering wheel dismantlement.

Background

The wheel-like device for steering the driving direction of a vehicle is designed to convert the force applied by the driver to the rim of the steering wheel into a torque and transmit the torque to the steering shaft.

When the existing automobile steering wheel is disassembled, the F shaft and the R bearing of the steering wheel or the hydraulic gearbox can be taken out only by using a common hammer and a crowbar brute force knocking mode, the process is difficult, a main shaft and related parts are easy to damage, the service life of the bearing is influenced even if the main shaft and the related parts are taken out, the accessory cost is increased, the working efficiency is too low, and certain dangerous factors exist when a maintainer works; therefore, the combined tool for disassembling the steering wheel of the automobile is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to compensate prior art's not enough, solve current car steering wheel when dismantling, need use ordinary hammer, the mode of the brute force of crowbar to strike to take out steering wheel or hydraulic gearbox F axle and R bearing, the process is difficult, very easily damages main shaft and relevant part moreover, even take out the life that also can influence the bearing, increases the accessory cost, and work efficiency is too low, also has the problem of certain risk factor to the maintainer during operation, the utility model provides a combination tool is used in car steering wheel dismantlement.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to a combined tool for disassembling an automobile steering wheel, which comprises a guide rod; the end part of the guide rod is fixedly connected with a limiting block, and the two limiting blocks are connected in parallel; the end part of the guide rod is connected with a pin bush in a sliding way; the end part of the pin sleeve is fixedly connected with a clamping plate; the end part of the clamping plate is provided with a groove; the middle parts of the pair of limiting blocks are connected with a screw rod through threads; the top of the screw rod is fixedly connected with a nut; slide to the middle part through promoting the pin bush, make the recess joint of splint tip fixed on the bearing, because the lead screw passes through threaded connection in the inside of stopper, through rotating the nut, make the nut drive the lead screw and promote downwards in the inside of stopper, the lead screw inserts on the steering wheel middle part bearing, continuously rotate the nut, make the low side of lead screw extrude the top of steering wheel bearing, come to dismantle the steering wheel, the atress is even when making steering wheel bearing and hydraulic gearbox F axle and R bearing dismantle, can not lead to the fact the damage to bearing itself, can not reach relevant spare part more, thereby make the bearing life-span have very big improvement, reduce the accessory and damage the consumption, and the maintenance efficiency of maintainer has been improved, alone just can easily take out, very big improvement work efficiency, the risk factor that brings when also having avoided knocking simultaneously.

Preferably, the inner side wall of the clamping plate is fixedly connected with a plurality of spring plates; the end part of the elastic sheet is fixedly connected with a protective pad; through sliding splint to the middle part, carry out the centre gripping, the surface at the protection pad is extruded to the lateral wall of bearing in the centre gripping process for the protection pad opens to both sides and extrudees the shell fragment and produce elasticity and cushion, and the protection pad is laminated, improves the effect of protection.

Preferably, a clamping block is fixedly connected to the side end of the pin sleeve; a locking groove is formed in the fixture block; a clamping groove is formed in the limiting block; a cavity is formed inside the limiting block; a locking block is connected inside the cavity in a sliding manner; the top of the locking block is fixedly connected with a spring; the other end of the spring is fixedly connected to the inner side wall of the cavity; when the fixture block inserted the inside of draw-in groove, the tip of extrusion locking piece for the inside extrusion spring that the locking piece stretches out and draws back to the cavity produces elasticity, and when cavity and locked groove were alignd, the spring produced elasticity and promoted the inside that the locking piece inserted the locked groove and carries out the joint fixed, avoids splint when the centre gripping bearing is dismantled, appears the problem that the pine takes off.

Preferably, the top of the locking block is fixedly connected with a pull rod, and the pull rod is connected with the inside of the cavity and the limiting block in a sliding manner; the top of the pull rod is fixedly connected with a pull ring; the clamping block slides out of the clamping groove, the pin bush slides to the two sides to be taken out, and workers can detach and install the clamping block conveniently.

Preferably, the magnetic blocks are fixedly connected to the end parts of the pair of clamping plates and are positioned on the same horizontal plane; the end part of the protective pad is shaped like a Chinese character 'ao'; the end part of the clamping block is in an outward convex arc shape; the end part of the locking block is in a semi-arc shape and is positioned on the same horizontal plane with the clamping block; through installing the magnetic path, when two splint slided to the middle part for the magnetic path is laminated each other and is adsorbed fixedly, improves the centre gripping effect of splint.

The utility model discloses an useful part lies in:

1. the utility model pushes the pin bush to slide towards the middle part, so that the groove at the end part of the splint is clamped on the bearing for fixing, because the screw rod is connected with the inside of the limiting block through the threads, the nut drives the screw rod to push downwards in the limiting block through rotating the nut, the screw rod is inserted into the bearing in the middle of the steering wheel, the nut is continuously rotated to enable the lower end of the screw rod to extrude the top of the steering wheel bearing to disassemble the steering wheel, so that the bearing of the steering wheel and the F shaft and the R bearing of the hydraulic gearbox are stressed uniformly when being disassembled, the bearing is not damaged, and related parts are not affected, therefore, the service life of the bearing is greatly prolonged, the damage consumption of accessories is reduced, the maintenance efficiency of a maintainer is improved, the bearing can be easily taken out by one person, the working efficiency is greatly improved, and meanwhile, the risk factors caused by knocking are also avoided.

2. The utility model discloses when splint when the bearing is extruded to middle part slip, because the great problem that can lead to the bearing tip wearing and tearing to appear of centre gripping dynamics, through sliding splint to the middle part, carry out the centre gripping, in the centre gripping process, the lateral wall extrusion of bearing is on the surface of protecting the pad for the protection pad is opened extrusion shell fragment to both sides and is produced elasticity and cushion, and the protection pad is laminated, improves the effect of protection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a sectional view of the first embodiment;

FIG. 2 is a top view of the clamping plate of the first embodiment;

FIG. 3 is an enlarged view of FIG. 1 at A;

FIG. 4 is a schematic view of a splint according to an embodiment;

fig. 5 is a schematic structural view of the wear pad of the second embodiment.

In the figure: 11. a guide bar; 12. a limiting block; 13. a screw rod; 14. a pin bush; 15. a splint; 16. a magnetic block; 17. a nut; 21. a protective pad; 22. a spring plate; 31. a clamping block; 32. locking the groove; 33. a card slot; 34. a cavity; 35. a locking block; 36. a spring; 37. a pull rod; 38. a pull ring; 4. a wear pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, a combination tool for disassembling a steering wheel of an automobile includes a guide bar 11; the end part of the guide rod 11 is fixedly connected with a limiting block 12, and the two limiting blocks 12 are arranged side by side and connected through a connecting plate; the end part of the guide rod 11 is connected with a pin sleeve 14 in a sliding way; a clamping plate 15 is fixedly connected to the end part of the pin sleeve 14; the end part of the clamping plate 15 is provided with a groove; the connecting rods in the middle of the pair of limiting blocks 12 are connected with a screw rod 13 through threads; the top of the screw rod 13 is fixedly connected with a nut 17; when the automobile steering wheel is disassembled, the steering wheel or an F shaft of a hydraulic gearbox and an R bearing can be taken out only by using a common hammer and a crowbar brute force knocking mode, the process is difficult, a main shaft and related parts are easy to damage, the service life of the bearing is influenced even if the main shaft and the related parts are taken out, the accessory cost is increased, the working efficiency is too low, certain dangerous factors exist when a maintenance worker works, 2 pins of 20mm 100mm and 2 pin sleeves of 30mm 50mm are formed by taking out a waste iron plate with the thickness of 10mm, then cutting the waste iron plate into two pieces of 80mm 150mm, two pieces of 70mm 80mm, 1 screw rod of 20mm, 2 nuts of 20mm, 2 pins of 20mm 100mm and 2 pin sleeves of 30mm 50mm, respectively punching a hole of 30mm 50mm on two iron plates of 80mm 150mm, welding the two pieces of 80mm iron plates and the two pieces of 70mm 80mm iron plates together in an L shape, and putting the pin sleeves 14 into the hole of the iron plates for welding and polishing, the guide rods 11 penetrate the pin sleeves 14, the two guide rods 11 are welded together by 20mm nuts, the top ends of the screw rods 13 are welded with 20mm nuts 17, the assembly is completed, then the clamping plates 15 are aligned to the bearings at the bottom of the automobile steering wheel, the pin sleeves 14 are pushed to slide towards the middle part, the grooves at the end parts of the clamping plates 15 are clamped on the bearings to be fixed, as the screw rods 13 are connected to the connecting plates through threads, the screw rods 13 are driven by the screw rods 13 to push downwards in the limiting blocks 12 by rotating the nuts 17, the screw rods 13 are inserted into the bearings at the middle part of the steering wheel, the nuts 17 are continuously rotated, the lower ends of the screw rods 13 extrude the top parts of the bearings of the steering wheel to disassemble the steering wheel, so that the bearings of the steering wheel, F shafts of a hydraulic gearbox and R bearings are uniformly stressed when being disassembled, the bearings cannot be damaged, and related parts cannot be affected, and the service life of the bearings is greatly prolonged, the accessory damage consumption is reduced, the maintenance efficiency of a maintenance worker is improved, the maintenance worker can easily take out the accessory, the working efficiency is greatly improved, and meanwhile, the risk factors caused by knocking are also avoided.

The inner side wall of the clamping plate 15 is fixedly connected with a plurality of spring pieces 22; the end part of the elastic sheet 22 is fixedly connected with a protective pad 21; the during operation, when splint 15 when the bearing is pushed to middle part sliding extrusion, because the great problem that can lead to bearing tip wearing and tearing to appear of centre gripping dynamics through sliding splint 15 to the middle part, carries out the centre gripping, and in the centre gripping process, the lateral wall extrusion of bearing is on the surface of protection pad 21 for protection pad 21 opens extrusion shell fragment 22 to both sides and produces elasticity and cushion, and protection pad 21 laminates, improves the effect of protection.

A clamping block 31 is fixedly connected to the side end of the pin sleeve 14; a locking groove 32 is formed in the fixture block 31; a clamping groove 33 is formed in the limiting block 12; a cavity 34 is formed inside the limiting block 12; a locking block 35 is slidably connected inside the cavity 34; a spring 36 is fixedly connected to the top of the locking block 35; the other end of the spring 36 is fixedly connected to the inner side wall of the cavity 34; during operation, when the cotter 14 slides to the side, drive fixture block 31 and slide to the side, make fixture block 31 insert the inside of draw-in groove 33, play the effect of location direction, when fixture block 31 inserts the inside of draw-in groove 33, the tip of extrusion locking piece 35, make locking piece 35 stretch out and draw back to the inside extrusion spring 36 of cavity 34 and produce elasticity, when cavity 34 aligns with locked groove 32, spring 36 produces elasticity and promotes locking piece 35 and insert the inside of locked groove 32 and carry out the joint fixed, avoid splint 15 when centre gripping bearing dismantles, the problem of pine takes off appears.

A pull rod 37 is fixedly connected to the top of the locking block 35, and the pull rod 37 is slidably connected to the inside of the cavity 34 and the limiting block 12; a pull ring 38 is fixedly connected to the top of the pull rod 37; during operation, after the steering wheel is disassembled, the pull ring 38 is pulled to slide upwards, and then the pull rod 37 is used for stretching the locking block 35 to the inside of the cavity 34, so that the clamping block 31 slides out of the inside of the clamping groove 33, the pin bush 14 slides towards two sides and is taken out, and the disassembly and the assembly of a worker are facilitated.

The magnetic blocks 16 are fixedly connected to the end parts of the pair of clamping plates 15 and are positioned on the same horizontal plane; the end part of the protective pad 21 is in a concave shape; the end part of the clamping block 31 is in an arc shape with a convex middle part; the end part of the locking block 35 is in a semi-arc shape and is positioned on the same horizontal plane with the clamping block 31; during operation, through installing magnetic block 16, when two splint 15 slide to the middle part for magnetic block 16 laminates each other and adsorbs fixedly, improves splint 15's clamping effect.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a plurality of wear pads 4 are fixedly connected to the side wall of the protection pad 21; during operation, when the protection pad 21 laminating is on the lateral wall of bearing, through installing wear pad 4, increase the frictional force between protection pad 21 and the bearing, avoid appearing the problem of slippage between bearing and the protection pad 21.

The working principle is that when the existing automobile steering wheel is disassembled, the F shaft and the R bearing of the steering wheel or the hydraulic gearbox can be taken out only by using a common hammer and a crowbar brute force knocking mode, the process is difficult, a main shaft and related parts are easy to damage, the service life of the bearing can be influenced even if the main shaft and the related parts are taken out, the accessory cost is increased, the working efficiency is too low, certain dangerous factors exist in the working process of maintenance workers, 2 pins of 20mm 100mm pins and 2 pin sleeves of 30mm 50mm are taken out, then the two iron plates of 80mm 150mm, two iron plates of 70mm 80mm, 1 screw rod of 20mm, 2 nuts of 20mm, 2 pins of 20mm 100mm and 2 pin sleeves of 30mm 50mm are cut, two iron plates of 80mm 150mm and two iron plates of 70mm 80mm are respectively welded together in an L shape, the two iron plates of 80mm 150mm and two iron plates of 70mm 80mm are put into the hole for welding and grinding, the guide rods 11 penetrate through the pin sleeves 14, the two guide rods 11 are welded together by using 20mm nuts, the top ends of the screw rods 13 are welded with 20mm nuts 17, the assembly is completed, then the clamping plates 15 are aligned to the bearings at the bottom of the automobile steering wheel, the pin sleeves 14 are pushed to slide towards the middle parts, the grooves at the end parts of the clamping plates 15 are clamped on the bearings to be fixed, as the screw rods 13 are connected to the inside of the limiting blocks 12 through threads, the screw rods 13 are driven by the screw rods 17 to push downwards in the inside of the limiting blocks 12 by rotating the nuts 17, the screw rods 13 are inserted into the bearings at the middle parts of the steering wheel, the nuts 17 are continuously rotated, the lower ends of the screw rods 13 extrude the top parts of the bearings of the steering wheel to disassemble the steering wheel, the bearings of the steering wheel, F shafts and R bearings of the hydraulic gearbox are uniformly stressed when being disassembled, the bearings cannot be damaged, and the related parts cannot be affected, therefore, the service life of the bearing is greatly prolonged, the damage consumption of accessories is reduced, the maintenance efficiency of a maintainer is improved, the bearing can be easily taken out by one person, the working efficiency is greatly improved, and meanwhile, the risk factors caused by knocking are avoided, when the clamping plate 15 is slidingly extruded to the bearing towards the middle part, the end part of the bearing is abraded due to high clamping force, the clamping plate 15 is slidingly extruded to the middle part for clamping, in the clamping process, the side wall of the bearing is extruded on the surface of the protective pad 21, so that the protective pad 21 is opened towards two sides to extrude the elastic sheets 22 to generate elastic force for buffering, and the protective pad 21 is attached to improve the protective effect; when the pin sleeve 14 slides to the side end, the fixture block 31 is driven to slide to the side end, so that the fixture block 31 is inserted into the clamping groove 33 to play a role in positioning and guiding, when the fixture block 31 is inserted into the clamping groove 33, the end part of the locking block 35 is extruded, the locking block 35 stretches into the cavity 34 to extrude the spring 36 to generate elasticity, when the cavity 34 is aligned with the locking groove 32, the spring 36 generates elasticity to push the locking block 35 to be inserted into the locking groove 32 to be clamped and fixed, and the problem that the clamping plate 15 is loosened when the clamping bearing is disassembled is avoided; after the steering wheel is disassembled, the pull ring 38 is pulled to slide upwards, and then the lock block 35 is pulled to the inside of the cavity 34 through the pull rod 37, so that the fixture block 31 slides out of the inside of the clamping groove 33, the pin sleeve 14 slides towards two sides to be taken out, and workers can disassemble and assemble the steering wheel conveniently; through installing magnetic path 16, when two splint 15 slide to the middle part for magnetic path 16 laminates each other and adsorbs fixedly, improves splint 15's clamping effect.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a combination tool is used in dismantlement of car steering wheel which characterized in that: comprises a guide rod (11); the end part of the guide rod (11) is fixedly connected with a limiting block (12), and the two limiting blocks (12) are connected in parallel; the end part of the guide rod (11) is connected with a pin sleeve (14) in a sliding way; a clamping plate (15) is fixedly connected to the end part of the pin sleeve (14); the end part of the clamping plate (15) is provided with a groove; the middle parts of the pair of limiting blocks (12) are connected with a screw rod (13) through threads; and a nut (17) is fixedly connected to the top of the screw rod (13).

2. The combination tool for dismounting a steering wheel of an automobile according to claim 1, wherein: the inner side wall of the clamping plate (15) is fixedly connected with a plurality of spring plates (22); the end part of the elastic sheet (22) is fixedly connected with a protective pad (21).

3. The combination tool for dismounting a steering wheel of an automobile according to claim 1, wherein: a clamping block (31) is fixedly connected to the side end of the pin sleeve (14); a locking groove (32) is formed in the fixture block (31); a clamping groove (33) is formed in the limiting block (12); a cavity (34) is formed in the limiting block (12); a locking block (35) is connected inside the cavity (34) in a sliding manner; a spring (36) is fixedly connected to the top of the locking block (35); the other end of the spring (36) is fixedly connected to the inner side wall of the cavity (34).

4. The combination tool for dismounting a steering wheel of an automobile according to claim 3, wherein: the top of the locking block (35) is fixedly connected with a pull rod (37), and the pull rod (37) is connected with the inside of the cavity (34) and the limiting block (12) in a sliding manner; a pull ring (38) is fixedly connected to the top of the pull rod (37).

5. The combination tool for disassembling the steering wheel of the automobile as set forth in claim 2, wherein: the ends of the clamping plates (15) are fixedly connected with magnetic blocks (16) and are positioned on the same horizontal plane; the end part of the protective pad (21) is in a concave shape.

6. The combination tool for dismounting a steering wheel of an automobile according to claim 3, wherein: the end part of the clamping block (31) is in a semi-arc shape; the end part of the locking block (35) is in a convex arc shape and is positioned on the same horizontal plane with the clamping block (31).