CN217415374U

CN217415374U - Fast-assembling structure of truckle and use shallow of this truckle

Info

Publication number: CN217415374U
Application number: CN202221028533.7U
Authority: CN
Inventors: 吕双文; 吕双武
Original assignee: Zhejiang Xianfeng Magnetic Material Co ltd
Current assignee: Zhejiang Xianfeng Magnetic Material Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-09-13
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to a fast-assembling structure of truckle and use shallow of this truckle, fast-assembling structure includes depression bar, compression spring and sets up at the terminal ring channel of the shaft of truckle, and the shaft end is installed in the shaft hole of axle bed lateral part, the depression bar is installed in the guide hole on the upper portion of axle bed and is slided from top to bottom along the guide hole, sets up on the top of depression bar and carries the portion of drawing, sets up the briquetting at the end of depression bar, and the briquetting gomphosis is in the ring channel, and compression spring cup joints and compresses tightly the briquetting on the depression bar in the ring channel. After the lifting part of the pressure rod is lifted forcefully to lift the pressure block from the annular groove, the caster wheel with the wheel shaft can be replaced quickly. When the lifting part is put down, the pressing block falls into the annular groove of the wheel shaft under the action of the compression spring, and the caster wheel is positioned on the shaft seat by the pressing block, so that the caster wheel is quickly installed. The utility model discloses still set up the truckle about high adjusting device can the quick adjustment truckle height on the shallow, facilitate the use.

Description

Fast-assembling structure of truckle and use shallow of this truckle

Technical Field

The utility model belongs to the technical field of simple handling tool, in particular to fast-assembling structure of truckle and use shallow of this truckle.

Background

The truckles of the existing cart are generally fixed on a cart body and are inconvenient to disassemble and replace. On the other hand, the relative position between the caster wheel and the cart body of the existing cart is not adjustable, the height between the cart body and the ground is relatively fixed, and when the distance between the cart body and the ground needs to be adjusted, the caster wheels with different diameters need to be replaced, so that inconvenience is brought to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a fast-assembling structure of truckle and use shallow of this truckle are provided, tear open fast and trade the truckle.

The utility model discloses a realize like this, provide a fast-assembling structure of truckle, the truckle includes the shaft, and the truckle rotates around the shaft, and the end of shaft is installed in the shaft hole of axle bed lateral part, fast-assembling structure includes depression bar, compression spring and sets up at the terminal ring channel of shaft the upper portion of axle bed sets up the guide hole, the depression bar is installed in the guide hole and is slided from top to bottom along the guide hole the top of depression bar sets up carries the portion the end of depression bar sets up the briquetting, the briquetting gomphosis is in the ring channel, compression spring cup joints and compresses tightly the briquetting in the ring channel on the depression bar.

Furthermore, the fast-assembling structure still includes the platform that splines that sets up at the shaft end, correspondingly, set up on the inner wall in shaft hole and spline platform matched with spline plane.

Furthermore, the fast-assembling structure also comprises a caster vertical height adjusting device arranged on the shaft seat, the height adjusting device comprises an adjusting screw rod and an adjusting nut which are mutually matched in a rotating way, an adjusting knob is fixed at the top of the adjusting screw rod, a clamping groove is arranged on the outer surface of the adjusting knob, the clamping groove is arranged at the top of a shell which is additionally arranged and clamped in a screw rod hole on the shell, the adjusting knob rotates in the screw rod hole, the shaft seat is arranged in the shell, the adjusting nut is fixed at the top of the shaft seat, an external thread matched with the adjusting nut is arranged on the outer surface of the adjusting screw rod, a shaft through hole is arranged at the axis of the adjusting screw rod, the pressure rod is arranged in the shaft through hole, a protective sleeve is also arranged in the shaft seat, the protective sleeve is arranged outside the adjusting screw rod, the compression spring is sleeved outside the protective sleeve, and a lifting guide pillar is also arranged in the shell, correspondingly, a guide post hole matched with the lifting guide post is formed in the shaft seat, and the shaft seat, a wheel shaft and a caster wheel are installed on the shaft seat and slide up and down along the lifting guide post.

The utility model discloses a realize like this, provide a shallow use as the previous on the shallow the fast-assembling structure of truckle.

Compared with the prior art, the utility model discloses a shallow of fast-assembling structure and use this truckle of truckle, the fast-assembling structure includes depression bar, compression spring and sets up at the terminal ring channel of the shaft of truckle, and the shaft end is installed in the shaft hole of axle bed lateral part, the depression bar is installed in the guide hole on the upper portion of axle bed and is slided from top to bottom along the guide hole the top of depression bar sets up carries the portion the end of depression bar sets up the briquetting, the briquetting gomphosis is in the ring channel, compression spring cup joints and compresses tightly the briquetting in the ring channel on the depression bar. After the lifting part of the pressure rod is lifted forcefully to lift the pressure block from the annular groove, the caster wheel with the wheel shaft can be replaced quickly. After the lifting part is put down, the pressing block falls into the annular groove of the wheel shaft under the action of the compression spring, and the caster wheel is positioned on the shaft seat by the pressing block, so that the caster wheel is quickly installed. The utility model discloses still set up the truckle about high adjusting device can the quick adjustment truckle height on the shallow, facilitate the use.

Drawings

Fig. 1 is a perspective view of a preferred embodiment of the cart of the present invention;

FIG. 2 is a cross-sectional view taken along line M-M of FIG. 1;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a view of the shaft seat and the component set mounted on the shaft seat and moving up and down simultaneously driven by the adjusting nut after the adjusting knob is rotated in FIG. 1;

FIG. 5 is a perspective view of the adjustment knob of FIG. 3 in an assembled state with the shaft seat and its built-in components;

FIG. 6 is a perspective view of the axle seat of FIG. 5;

figure 7 is a perspective view of the axle of figure 5;

FIG. 8 is a perspective view of FIG. 7 from another angle;

FIG. 9 is a perspective view of the adjustment screw and the adjustment knob of FIG. 5;

fig. 10 is a perspective view of the pressure bar of fig. 5.

Detailed Description

In order to make the technical problem, technical solution and beneficial effects to be solved by the present invention more clearly understood, the following description is made in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2 and 3, the cart according to the preferred embodiment of the present invention includes a housing 1 as a cart body and casters 2 disposed on two sides of the housing 1, wherein a shaft seat 3 for mounting the casters 2 is disposed in the housing 1. Shaft seats 3 are respectively arranged at the left side and the right side of the shell 1. The caster 2 comprises a hub 4, the caster 2 being rotatable about the hub 4. The end of the wheel axle 4 is mounted in the axle hole 31 at the side of the axle seat 3. The axle seat 3 is provided with the fast-assembling structure of the caster wheel.

The fast-assembling structure comprises a pressure lever 5, a compression spring 6, an annular groove 41 arranged at the tail end of a wheel shaft 4 and a caster vertical height adjusting device 7 arranged on a shaft seat 3.

Referring to fig. 3, 4 and 10, a guide hole 32 is formed at an upper portion of the shaft seat 3, and the pressing rod 5 is installed in the guide hole 32 and slides up and down along the guide hole 32. The top end of the pressure lever 5 is provided with a lifting part 51, the tail end of the pressure lever 5 is provided with a pressing block 52, the pressing block 52 is embedded in the annular groove 41, the compression spring 6 is sleeved on the pressure lever 5 to press the pressing block 52 in the annular groove 41, and the wheel shaft 4 and the caster 2 are positioned on the side part of the shaft seat 3.

When the press block 52 is lifted from the annular groove 41 by force applied to the lifting part 51, the caster 2 with the wheel axle can be directly pulled out from the axle hole 31 at the side of the axle seat 3. When the caster 2 needs to be installed, the wheel shaft 4 is inserted into the shaft hole 31, the pressure lever 5 is pulled up forcibly, after the wheel shaft 4 is installed in place, the lifting part 51 of the pressure lever 5 is loosened, the pressing block 52 of the pressure lever 5 falls into the annular groove 41 of the wheel shaft 4 under the action of the compression spring 6, the caster 2 is installed and positioned, and the caster 2 is installed and positioned quickly.

Referring to fig. 3 to 8, a rotation stopping platform 42 is disposed at the end of the axle 4, and correspondingly, a rotation stopping plane 33 matched with the rotation stopping platform 42 is disposed on the inner wall of the axle hole 31. The anti-rotation platform 42 is parallel to the axis of the wheel axle 4.

Referring to fig. 1 to 9, the height adjusting device 7 includes an adjusting screw 8 and an adjusting nut 9 that are rotatably engaged with each other. An adjusting knob 10 is fixed at the top of the adjusting screw 8, a clamping groove 101 is arranged on the outer surface of the adjusting knob 10, and the clamping groove 101 is installed at the top of the shell 1 and clamped in a screw hole 11 on the shell 1. The adjusting knob 10 rotates in the screw hole 11.

The adjusting nut 9 is fixed on the top of the shaft seat 3. The outer surface of the adjusting screw 8 is provided with an external thread matched with the adjusting nut 9, and the axis of the adjusting screw is provided with a shaft through hole 81. The shaft through hole 81 is equivalent to the guide hole 32. The pressing rod 5 is arranged in the shaft through hole 81.

A sheath 34 is further arranged in the shaft seat 3, the sheath 34 is arranged outside the adjusting screw 8, and the compression spring 6 is sleeved outside the sheath 34. The shell 1 is also provided with a lifting guide post 12, correspondingly, the shaft seat 3 is provided with a guide post hole 35 matched with the lifting guide post 12, and the shaft seat 3, a wheel shaft 4 arranged on the shaft seat and a caster 2 slide up and down along the lifting guide post 12.

Referring to fig. 3 and 4 to 5, the adjusting knob 10 on the adjusting screw 8 is turned, and the adjusting screw 8 drives the shaft seat 3, and the caster 2, the wheel shaft 4, the pressing rod 5, the compression spring 6, the lifting part 51, the pressing block 52, and the like mounted on the shaft seat 3 to slide up and down along the lifting guide pillar 12 through the adjusting nut 9, so as to adjust the up and down position of the caster 2 in the housing 1, thereby achieving the purpose of adjusting the height of the housing 1 and the ground.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a fast-assembling structure of truckle, the truckle includes the shaft, and the truckle rotates around the shaft, and the end of shaft is installed in the shaft hole of axle bed lateral part, its characterized in that, fast-assembling structure includes depression bar, compression spring and sets up the ring channel at the shaft end the upper portion of axle bed sets up the guide hole, the depression bar is installed in the guide hole and slides from top to bottom along the guide hole the top of depression bar sets up carries the portion the end of depression bar sets up the briquetting, the briquetting gomphosis is in the ring channel, compression spring cup joints on the depression bar and compresses tightly the briquetting in the ring channel.

2. The quick assembling structure of the caster wheel as claimed in claim 1, further comprising a rotation stopping platform provided at an end of the wheel axle, and correspondingly, a rotation stopping plane matched with the rotation stopping platform is provided on an inner wall of the axle hole.

3. The quick assembling structure of the caster as claimed in claim 1, further comprising a caster vertical height adjusting device disposed on the axle seat, wherein the height adjusting device comprises an adjusting screw and an adjusting nut rotatably engaged with each other, an adjusting knob is fixed on the top of the adjusting screw, a slot is disposed on the outer surface of the adjusting knob, the height adjusting device further comprises a housing, the slot is mounted on the top of the housing and engaged with a screw hole on the housing, the adjusting knob rotates in the screw hole, the axle seat is disposed in the housing, the adjusting nut is fixed on the top of the axle seat, an external thread engaged with the adjusting nut is disposed on the outer surface of the adjusting screw, a shaft through hole is disposed at the axis, the pressing rod is disposed in the shaft through hole, a sheath is disposed in the axle seat, and the sheath is disposed outside the adjusting screw, the compression spring is sleeved outside the sheath, the shell is also internally provided with a lifting guide post, correspondingly, a guide post hole matched with the lifting guide post is arranged on the shaft seat, and the shaft seat, a wheel shaft and a caster wheel are arranged on the shaft seat and slide up and down along the lifting guide post.

4. A cart characterized by a quick-fit structure of the caster as claimed in any one of claims 1 to 3 on said cart.