CN208651411U - Torsion shaft and trailer with replaceable spindle nose function - Google Patents

Abstract

The utility model provides a kind of torsion shaft and trailer with replaceable spindle nose function.Torsion shaft with replaceable spindle nose function, it include: support tube and two adjustable torsion shaft assemblies, the adjustable torsion shaft assembly includes torque arm, torsion plate and spindle nose, and the torsion plate is arranged on the torque arm, and the spindle nose is detachably arranged on the torsion plate；The one end of the torque arm is mounted in the corresponding end of the support tube.Realize that the spindle nose of torsion shaft can be replaced, to extend the service life of torsion shaft.

Description

Torsion shaft and trailer with replaceable spindle nose function

Technical field

The utility model relates to technical field of vehicle more particularly to a kind of torsion shaft with replaceable spindle nose function and drag Vehicle.

Background technique

Currently, automobile is common a kind of means of transport in people's daily life, with the improvement of living standards, the whole world is each The more and more families in ground take a vacation choosing open air after work, this has also speeded up the development of domestic and international trailer cause. Wherein, the components such as wheel are installed configured with torsion shaft on the car body of trailer, torsion shaft generally comprises square tube and torque arm, torsion Wheel is installed configured with spindle nose on bar, torque arm is inserted in square tube, and square tube is then mounted on the car body of trailer, since wheel is pacified On spindle nose, after long-time, spindle nose is easy to happen abrasion, and since spindle nose is welded on torque arm, after spindle nose damage, then Integral replacing torsion shaft is needed, causes the service life of torsion shaft lower.How to design a kind of torsion shaft with long service life is Technical problem to be solved in the utility model.

Utility model content

The utility model provides a kind of torsion shaft and trailer with replaceable spindle nose function, realizes that the spindle nose of torsion shaft can With replacement, to extend the service life of torsion shaft.

The utility model provides a kind of torsion shaft with replaceable spindle nose function, comprising: support tube and two adjustable torsions Shaft assembly, the adjustable torsion shaft assembly include torque arm, torsion plate and spindle nose, and the torsion plate is arranged on the torque arm, The spindle nose is detachably arranged on the torsion plate；The one end of the torque arm is mounted on the corresponding end of the support tube In portion.

Further, one end of the spindle nose is set as tapered shaft, and the free end of the tapered shaft is provided with threaded rod, The bellmouth of the tapered shaft cooperation is provided on the torsion plate, the tapered shaft is inserted in the bellmouth, the screw thread Nut is threaded on bar.

Further, it is provided with a plurality of annular groove on the tapered shaft, is provided with washer in the annular groove.

Further, the torque arm is inserted in the support tube, and gum sleeve, the rubber are cased on the torque arm Casing is extruded between the torque arm and the tube wall of the support tube.

Further, the outer wall of the gum sleeve opens up fluted.

Further, welding baffle is additionally provided on the torque arm, between the welding baffle and the rubber sleeve It is provided with heat shield, the welding baffle is welded on the corresponding end of the support tube.

Further, the surface of the torque arm offers locating slot, and the inner tubal wall of the gum sleeve is provided with positioning Muscle, the positioning bar are located in the locating slot.

Further, the both ends of the support tube are respectively arranged with reinforcing sleeve, and the reinforcing sleeve is covered in the support tube Correspondence nozzle outside.

The utility model also provides a kind of trailer, including car body, further includes above-mentioned torsion shaft, the support tube of the torsion shaft It is installed on the car body, the wheel is mounted on the spindle nose of the torsion shaft.

Torsion shaft and trailer provided by the utility model with replaceable spindle nose function, by using torsion plate by spindle nose It is detachably arranged on torque arm, it in actual use, then can be by axis in the case that serious wear occurs in spindle nose Under head is dismantled from torsion plate, then the spindle nose more renewed, then is installed wheel on new spindle nose and is continued to use, without Integral replacing falls entire torsion shaft, realizes that the spindle nose of torsion shaft can be replaced, to extend the service life of torsion shaft.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts, It is also possible to obtain other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of the utility model torsion shaft embodiment；

Fig. 2 is the adjustable structural schematic diagram for turning round shaft assembly in the utility model torsion shaft embodiment；

Fig. 3 is the structural schematic diagram of torque arm in the utility model torsion shaft embodiment;

Fig. 4 is the structural schematic diagram of the utility model trailer embodiment.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

As shown in Figure 1-Figure 3, the present embodiment torsion shaft, including support tube 1 and two adjustable torsion shaft assemblies 2, it is described adjustable Turning round shaft assembly 2 includes torque arm 21, torsion plate 22 and spindle nose 23, and the torsion plate 22 is arranged on the torque arm 21, described Spindle nose 23 is detachably arranged on the torsion plate 22, and the one end of the torque arm 21 is mounted on pair of the support tube 1 It answers on end,

Specifically, the spindle nose 23 in the present embodiment torsion shaft is mounted on torque arm 21 by torsion plate 22, and spindle nose Dismountable connection type is used between 23 and torsion plate 22, in this way, in actual use, it, can after spindle nose 23 damages It is reduced with dismantling the spindle nose 23 of damage from torsion plate 22 and installing new spindle nose 23 without integral replacing torsion shaft Maintenance cost extends the service life of torsion shaft.Wherein, it is dismounted for the ease of spindle nose 23, one end of the spindle nose 23 is set It is set to tapered shaft 231, the free end of the tapered shaft 231 is provided with threaded rod 232, is provided on the torsion plate 22 described The bellmouth (unmarked) of tapered shaft cooperation, the tapered shaft 231 are inserted in the bellmouth, screw thread on the threaded rod 232 It is connected with the second nut 233.Specifically, spindle nose 23 is mounted on torsion plate 22 by the way of tapered shaft 231 and bellmouth cooperation On, and a plurality of annular groove 234 is provided on tapered shaft 23, washer 235 is provided in the annular groove 234, washer 235 can subtract The friction generated between fine taper axis 231 and torsion plate 22, to improve service life.

Further, torsion plate 22 can be welded on torque arm 21, it is preferred that the other end of the torque arm 21 is set It is equipped with gear structure 211, the torsion plate 22 offers mounting hole 221, forms gear ring structure in the mounting hole 221, described The one end of torsion plate 22 is additionally provided with the gap structure 222 for being connected to the mounting hole 221, meanwhile, pair of the torsion plate 22 End is answered to be additionally provided with the through-hole 223 through the gap structure 222, bolt passes through the through-hole 223 and is threaded with the One nut, the gear structure 221 are located in the gear ring structure, and the spindle nose 23 is mounted on the other end of the torsion plate 22 Portion.Specifically, the present embodiment torsion shaft is respectively arranged with the adjustable torsion axis of adjustable windup-degree at the both ends of support tube 1 Component 2, wherein the angle position of each adjustable torque arm 21 turned round in shaft assembly 2 and torsion plate 22 can be adjusted, torsion After bar 21 is mounted on support tube 1, torsion plate 22 can according to need to be rotated relative to torque arm 21, to adjust windup-degree Meet the needs of specific user, detailed process is as follows: when needing to adjust torsion plate 22, then first unclamping the bolt on torsion plate 22 It, so that gear ring structure is separated with gear structure, is turned round with the first nut in this way, opening the gap structure 222 of torsion plate 22 Power plate 22 can be rotated relative to torque arm 21, and behind the position for adjusting torsion plate 22, the first nut is being tightened, so that It obtains gap structure 222 to clamp, in this way, gear structure 221 is meshed convenient for gear ring structure, realizes that torsion plate 22 is fixed and determine Position.Wherein, in order to improve the structural strength of support tube 1, the both ends of support tube 1 are respectively arranged with reinforcing sleeve 11, the reinforcement The outside of correspondence nozzle of 11 sets of the set in the support tube 1, it is strong to enhance the structure of nozzle of support tube 1 by reinforcing sleeve 11 Degree, the nozzle for avoiding the occurrence of support tube 1 are split up, and improve use reliability.

Further, gum sleeve 24 is cased on the torque arm 21, the gum sleeve 24 is extruded in the torque arm Between 21 and the tube wall of the support tube 1.Specifically, 21 housing rubber sleeve pipe 24 of torque arm, is inserted by torque arm 21 After in support tube 1, the free gap between torque arm 21 and support tube 1 can be reduced by gum sleeve 24, so that turning round Between power bar 21 and support tube 1 can more uniform stress, to improve bearing capacity.Wherein, the outer wall of gum sleeve 24 opens up Fluted 241, during torque arm 21 is inserted into support tube 1, the impurity in support tube 1 will be expressed to groove 241 In, contact entire gum sleeve 24 preferably with the inner wall of support tube 1.And in order to improve between torque arm 21 and support tube 1 Bonding strength, welding baffle 25, the end of the welding baffle 25 and the rubber sleeve 24 are additionally provided on torque arm 21 Between be provided with heat shield 26, the welding baffle 25 is welded on the corresponding end of the support tube 1.Specifically, welding baffle 25 can be arranged on torque arm 21 using welding or integrally formed mode, after torque arm 21 is inserted into support tube 1, welding Baffle 25 and support tube 1 weld, and heat shield 26 can reduce the heat transfer of welding to gum sleeve 24, avoid rubber sleeve Pipe 24 is heated damage.And gum sleeve 24 can be covered on torque arm 21 for individual components, encapsulated work can also be used Skill is integrally formed on the torque arm 21, for above two mode, in order to improve between gum sleeve 24 and torque arm 21 Bonding strength, the surface of torque arm 21 offers locating slot 212, and the inner tubal wall of the gum sleeve 24 is provided with positioning bar (not shown), the positioning bar are located in the locating slot 212.

The utility model also provides a kind of trailer, including car body 100 and wheel 200, further includes above-mentioned torsion shaft 300, institute The support tube for stating torsion shaft 300 is mounted on the car body 100, and wheel 200 is mounted on the spindle nose of the torsion shaft 300.

Torsion shaft and trailer provided by the utility model with replaceable spindle nose function, is adopted between torque arm and torsion plate It is attached with gear and gear ring structure cooperation, in actual use, according to the demand of different windup-degrees, it is only necessary to pine First nut of dynamic bolt can meet not so that torsion plate is rotated relative to torque arm to obtain required windup-degree With the requirement of user, in this way, in the actual processing process, then not needing frequently to adjust for the torsion shaft of different windup-degrees Whole tooling, improves processing efficiency；Also, it is adjustable that torsion shaft may be implemented windup-degree, effectively raises using versatility.

Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc. With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (9)

1. a kind of torsion shaft with replaceable spindle nose function characterized by comprising support tube and two adjustable torsion axis groups Part, the adjustable torsion shaft assembly include torque arm, torsion plate and spindle nose, and the torsion plate is arranged on the torque arm, described Spindle nose is detachably arranged on the torsion plate；The one end of the torque arm is mounted on the corresponding end of the support tube On.

2. the torsion shaft according to claim 1 with replaceable spindle nose function, which is characterized in that one end of the spindle nose It is set as tapered shaft, the free end of the tapered shaft is provided with threaded rod, and the tapered shaft is provided on the torsion plate and is matched The bellmouth of conjunction, the tapered shaft are inserted in the bellmouth, are threaded with nut on the threaded rod.

3. the torsion shaft according to claim 2 with replaceable spindle nose function, which is characterized in that set on the tapered shaft It is equipped with a plurality of annular groove, is provided with washer in the annular groove.

4. the torsion shaft according to claim 1 with replaceable spindle nose function, which is characterized in that the torque arm is inserted in In the support tube, gum sleeve is cased on the torque arm, the gum sleeve is extruded in the torque arm and the support Between the tube wall of pipe.

5. the torsion shaft according to claim 4 with replaceable spindle nose function, which is characterized in that the gum sleeve Outer wall opens up fluted.

6. the torsion shaft according to claim 4 with replaceable spindle nose function, which is characterized in that on the torque arm also It is provided with welding baffle, heat shield is provided between the welding baffle and the rubber sleeve, the welding baffle is welded on The corresponding end of the support tube.

7. the torsion shaft according to claim 4 with replaceable spindle nose function, which is characterized in that the table of the torque arm Face offers locating slot, and the inner tubal wall of the gum sleeve is provided with positioning bar, and the positioning bar is located in the locating slot.

8. the torsion shaft according to claim 1 with replaceable spindle nose function, which is characterized in that the two of the support tube End is respectively arranged with reinforcing sleeve, and the reinforcing sleeve is covered in the outside of the correspondence nozzle of the support tube.

9. a kind of trailer, including car body and wheel, which is characterized in that further include it is a method as claimed in any one of claims 1-8 have can The torsion shaft of spindle nose function is replaced, the support tube of the torsion shaft is installed on the car body, and the wheel is mounted on the torsion On the spindle nose of power axis.