阅读说明：本技术 一种减振型脚轮 (Damping type truckle ) 是由 利伟坚 于 2020-07-28 设计创作，主要内容包括：本发明涉及脚轮技术领域,具体是一种减振型脚轮,包括脚轮支架以及安装在脚轮支架下部的轮子,脚轮支架包括悬架、安装架以及至少一个弹簧,悬架包括两个内侧板以及连接两个内侧板的第一挡板；弹簧位于第一挡板和第二挡板之间,且弹簧的后端与第一挡板抵接,弹簧的前端与第二挡板抵接,安装架包括两个外侧板以及连接两个外侧板的第二挡板；本申请一种减振型脚轮,利用安装架、悬架和弹簧配合形成的杠杆原理的减振机构,减振效果好,且对弹簧的要求及损耗更小,整体结构更加稳定耐用,有利于提高脚轮的使用寿命。(The invention relates to the technical field of casters, in particular to a vibration reduction type caster which comprises a caster bracket and wheels arranged at the lower part of the caster bracket, wherein the caster bracket comprises a suspension, a mounting frame and at least one spring, and the suspension comprises two inner side plates and a first baffle plate connected with the two inner side plates; the spring is positioned between the first baffle and the second baffle, the rear end of the spring is abutted against the first baffle, the front end of the spring is abutted against the second baffle, and the mounting frame comprises two outer side plates and a second baffle connected with the two outer side plates; the utility model provides a damping type truckle utilizes the damping mechanism of the lever principle of mounting bracket, suspension and spring cooperation formation, and the damping is effectual, and is littleer to the requirement and the loss of spring, and overall structure is stable more durable, is favorable to improving the life of truckle.)

1. A vibration damping caster, comprising: the caster comprises a caster bracket and wheels arranged at the lower part of the caster bracket, wherein the caster bracket comprises a suspension, a mounting frame and at least one spring which is horizontally arranged, the suspension comprises two inner side plates which are vertically and parallelly arranged and a first baffle plate which is connected with the upper parts of the two inner side plates, and the lower parts of the two inner side plates are respectively hinged with wheel shafts at two sides of the wheels; the mounting frame comprises two outer side plates which are vertically and parallelly arranged and a second baffle plate which is connected with the upper parts of the two outer side plates, and the lower part of each outer side plate is hinged with the outer side of the corresponding inner side plate; the spring is located between first baffle and the second baffle, and the rear end and the first baffle butt of spring, the front end and the second baffle butt of spring.

2. The vibration damping caster of claim 1, wherein the inner side plate is provided with a stop at an outer side thereof, the inner side plate is hinged to the wheel at a first hinge point, the outer side plate is hinged to the inner side plate at a second hinge point, and the stop is located between the first hinge point and the outer side plate.

3. A vibration damping caster according to claim 1, wherein both of said outer side plates are provided with perforations, and a reinforcing rod is inserted into both of said perforations and connects said outer side plates together.

4. A vibration damping caster according to claim 3, wherein said reinforcing bar is located at the rear side of said first panel to limit the movement of the first panel.

5. The vibration damping caster wheel according to claim 1, wherein a horizontally rotatable turntable assembly is movably mounted on the upper portion of the mounting bracket, the turntable assembly includes an upper wave plate, a lower wave plate, a plurality of first balls, a plurality of second balls and fasteners, the caster wheel support is provided with an annular connecting portion, the annular connecting portion is located between the upper wave plate and the lower wave plate, a first ring groove and a second ring groove are respectively and oppositely arranged on the lower surface of the upper wave plate and the upper surface of the annular connecting portion, a third ring groove and a fourth ring groove are respectively and oppositely arranged on the lower surface of the annular connecting portion and the upper surface of the lower wave plate, the cross sections of the first ring groove, the second ring groove, the third ring groove and the fourth ring groove are all concave arc structures, the first balls are arranged between the first ring groove and the second ring groove, the second balls are arranged between the third ring groove and the fourth ring groove, the caster wheel support is rotatably connected with the turntable assembly through the first balls and the second balls, the fasteners vertically penetrate through the through holes in the centers of the upper wave plate and the lower wave plate in sequence and fasten the upper wave plate and the lower wave plate together.

6. A vibration damping castor according to claim 4, wherein the perforated edge of said upper waveplate and the perforated edge of said lower waveplate are held together by said fastener, and wherein the perforated inner side wall of said upper waveplate and the perforated inner side wall of said lower waveplate are held together by the outer side wall of said fastener.

7. A vibration damping caster according to claim 4, wherein said second ring groove and said third ring groove are offset in a radial direction of said annular connection portion, and the second ring groove is located radially outside the third ring groove.

8. A vibration damping castor according to claim 4, wherein said wave-applying plate is provided with a connection hole for connection to a load-carrying device, or said fastening member is provided with an integrally formed rod or screw for connection to a load-carrying device.

9. A vibration damping caster according to claim 7, wherein a snap spring is provided on the upper part of said insert rod.

10. The vibration damping caster wheel according to claim 1, wherein a mounting plate is fixedly connected to the upper portion of the mounting frame, the mounting plate is horizontally and fixedly arranged on the upper portion of the mounting frame and is integrally formed with the mounting frame, and the mounting plate is used for being connected with a load-bearing device.

Technical Field

The invention relates to the technical field of casters, in particular to a vibration reduction type caster.

Background

The truckle is a common mechanical hardware fitting, and it is extensively be applicable to the bottom that bears equipment (like furniture, shallow, machining equipment, medical instrument) for conveniently bear the removal of equipment, when the truckle passes through some unevenness's ground, can produce great vibration, not only can influence and bear equipment and use experience, can exert an influence to the life-span of truckle moreover. At present, some current truckles also have the damping function, but generally directly carry out the damping through the spring bearing, and the damping effect of this kind of damping mode is not good, because the direct bearing of spring, is higher to the requirement of spring moreover, and is also great to the loss of spring moreover, and the damping function inefficacy easily.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the vibration reduction type caster, which utilizes a vibration reduction mechanism of a lever principle formed by matching an installation frame, a suspension and a spring, has good vibration reduction effect, has smaller requirements and loss on the spring, has more stable and durable integral structure and is beneficial to prolonging the service life of the caster.

The task of the invention is realized by the following technical scheme:

a vibration reduction type caster comprises a caster bracket and wheels arranged at the lower part of the caster bracket, wherein the caster bracket comprises a suspension, an installation frame and at least one spring arranged horizontally, the suspension comprises two inner side plates which are arranged vertically and in parallel and a first baffle plate which is connected with the upper parts of the two inner side plates, and the lower parts of the two inner side plates are respectively hinged with wheel shafts at two sides of the wheels; the mounting frame comprises two outer side plates which are vertically and parallelly arranged and a second baffle plate which is connected with the upper parts of the two outer side plates, and the lower part of each outer side plate is hinged with the outer side of the corresponding inner side plate; the spring is located between first baffle and the second baffle, and the rear end and the first baffle butt of spring, the front end and the second baffle butt of spring.

Preferably, the outer side of the inner side plate is provided with a limiting block, the inner side plate is hinged with the wheel to form a first hinge point, the outer side plate is hinged with the inner side plate to form a second hinge point, and the limiting block is positioned between the first hinge point and the outer side plate.

Preferably, both of the outer panels are provided with perforations, and a reinforcing rod is inserted into both of the perforations and connects the two outer panels together.

Preferably, the reinforcing rod is located at the rear side of the first baffle plate, so that the movement of the first baffle plate can be limited.

Preferably, mounting bracket upper portion movable mounting has can horizontal pivoted carousel subassembly, carousel subassembly includes wave plate, a plurality of first ball, a plurality of second ball and fastener down, be equipped with annular connecting portion on the truckle support, annular connecting portion are located wave plate and wave plate down between, and wave plate's lower surface and annular connecting portion's upper surface are equipped with first annular and second annular relatively respectively, and annular connecting portion's lower surface and wave plate's upper surface are equipped with third annular and fourth annular relatively respectively, and the cross-section of first annular, second annular, third annular and fourth annular is the concave arc structure, first ball is located between first annular and the second annular, and the second ball is located between third annular and the fourth annular, truckle support and carousel subassembly rotate through first ball and second ball and are connected, the fastener passes the perforation at wave plate and wave plate center perpendicularly in proper order and with wave plate and wave plate down tightly Are fixed together.

Preferably, the perforated edge of the upper wave plate and the perforated edge of the lower wave plate are tightly attached together under the action of the fastener, and the perforated inner side wall of the upper wave plate and the perforated inner side wall of the lower wave plate are both tightly attached to the outer side wall of the fastener.

Preferably, the second ring groove and the third ring groove are arranged in a staggered manner in the radial direction of the annular connecting part, and the second ring groove is located on the outer side of the third ring groove in the radial direction.

Preferably, the wave loading disc is provided with a connecting hole for connecting with the bearing equipment, or the fastener is provided with an inserted bar or a screw rod integrally formed with the fastener, and the inserted bar and the screw thread are used for connecting with the bearing equipment.

Preferably, the upper part of the inserted link is also provided with a clamp spring.

Preferably, mounting bracket upper portion fixedly connected with mounting panel, the mounting panel level sets firmly the upper portion of mounting bracket and with mounting bracket integrated into one piece, the mounting panel is used for bearing equipment and being connected.

Compared with the prior art, the vibration reduction type caster has the following advantages: the damping type caster wheel has the advantages that the damping mechanism is formed by matching the mounting frame, the suspension frame and the spring, the damping effect is better, the bearing of the spring can be effectively reduced by utilizing the lever principle, the requirement on the spring is lower, the loss of the spring can be reduced, the damping mechanism in the damping type caster wheel is more stable and durable, the service life is longer, the spring in the embodiment is horizontally arranged, the height of the whole caster wheel can be reduced, the space is saved, and the matching between the suspension frame and the mounting frame is more compact, the structure design is ingenious.

The conception, specific structure and effects of the present invention will be further described in conjunction with the accompanying drawings to fully understand the objects, features and effects of the present invention.

Drawings

Fig. 1 is a schematic structural view of a vibration damping type caster in embodiment 1;

FIG. 2 is a schematic view showing the structure of a vibration damping type caster in a state where a turntable assembly is hidden in embodiment 1;

FIG. 3 is an exploded view of the structure of FIG. 1;

fig. 4 is a sectional view of a vibration damping type caster in embodiment 1;

fig. 5 is a schematic structural view of a vibration damping type caster in embodiment 2.

Wherein: the caster wheel bracket 1, the annular connecting part 11, the wheel 2, the wheel shaft 21, the suspension 3, the inner side plate 31, the first baffle 32, the limit block 33, the mounting frame 4, the outer side plate 41, the second baffle 42, the reinforcing rod 43, the spring 5, the mounting assembly 6, the turntable assembly 61, the upper wave plate 62, the lower wave plate 63, the first ball 64, the second ball 65, the fastener 66, the first annular groove 671, the second annular groove 672, the third annular groove 673 and the fourth annular groove 674.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the description of the specific embodiments is intended to be illustrative of the invention and is not intended to limit the invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element through intervening elements. Also, the terms "upper," "lower," "left," "right," "front," "rear," "lateral," "vertical," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.