CN220720739U

CN220720739U - Caster structure

Info

Publication number: CN220720739U
Application number: CN202322469353.3U
Authority: CN
Inventors: 李新建; 李文建
Original assignee: Guangdong Haokang Medical Equipment Co ltd
Current assignee: Guangdong Haokang Medical Equipment Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-04-05
Anticipated expiration: 2033-09-12

Abstract

The utility model relates to the field of casters, in particular to a caster structure, which has the technical scheme that: the novel bicycle comprises casters and a connecting frame, wherein the connecting frame is arranged on the outer part of each caster, a supporting part is arranged at the upper end of each caster, a pedal is arranged at the front end of each supporting part, a connecting cylinder is movably arranged at the upper end of each supporting part, and a mounting plate is fixedly arranged at the top end of each connecting cylinder, so that the novel bicycle has the advantages that: the ball surface self-lubricating is convenient, and the lubrication fluid is injected into the connecting cylinder through the oil filling port, and is accumulated and stored at the lower end of the inner cavity of the connecting cylinder, and the injected lubrication fluid can seep out through the micropores, so that the seeped lubrication fluid is adsorbed by the sponge strip, and when the caster rotates with the supporting part, the surface of the ball is in rolling contact with the surface of the sponge strip due to the fact that the ball is limited between the annular groove and the limiting groove, so that the surface of the ball is always stained with the lubrication fluid, and people do not need to paint the lubrication oil regularly.

Description

Caster structure

Technical Field

The utility model relates to the field of casters, in particular to a caster structure.

Background

The caster is a common mechanical accessory, is mainly used for being arranged at the bottom of an object to facilitate the movement of the object, and is widely applied to objects needing to be moved conveniently, such as furniture, logistics carts, shelves, instruments and equipment and the like.

The existing casters generally consist of wheels, a bracket, a rotating structure, a brake pedal and a mounting plate, and are usually arranged at the bottom of each device or object to be moved, and when the object is moved and turned, the rotating structure (balls) of the casters are required to operate so as to enable the object to be moved and turned. The existing casters on the market are inflexible in steering during rotation, abrasion and clamping are easy to occur, at this time, people are required to regularly paint lubricating liquid to lubricate the rotating structure (ball), however, the people are troublesome in regularly painting the lubricating liquid, the rotating structure (ball) cannot be self-lubricated, and meanwhile, redundant lubricating liquid generated by painting cannot be collected, so that waste is caused.

Therefore, it is necessary to invent a caster structure.

Disclosure of Invention

The present utility model is directed to solving the problems set forth in the background art.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides a truckle structure, includes truckle and link, the externally mounted of truckle has the link, supporting part is installed to the upper end of truckle, the front end of supporting part is provided with the footboard, the upper end movable mounting of supporting part has the connecting cylinder, connecting cylinder top fixed mounting has the mounting panel.

Based on the above characteristics: the truckle is installed inside the lower extreme of link and supporting part, and the connecting cylinder rotates to be connected in the supporting part upper end, and the junction of two is provided with rotatable rotating structure, and inside the connecting cylinder can be injected into in advance to the lubrication fluid, makes things convenient for the lubrication fluid to the junction self-lubricating of supporting part and connecting cylinder, and the connecting cylinder then can be fixed in the bottom of equipment or object through the mounting panel connection, and the mounting panel is installed fixedly and is mostly through the bolt fastening.

Preferably, an oil drain pipe is arranged at the bottom of the supporting part, the outlet end of the oil drain pipe is in threaded connection with a sealing cover, and a positioning groove is formed in the middle of the upper end of the supporting part.

Based on the above characteristics: the lower extreme of connecting cylinder rotates through constant head tank and supporting part and is connected, and lubricating liquid is lubricated the back to rotating structure, and unnecessary lubricating liquid will be accumulated in the inner chamber bottom of constant head tank, and arrange oil pipe and the inner chamber bottom of constant head tank and be linked together, when needs take out unnecessary lubricating liquid, can open sealed lid, makes unnecessary lubricating liquid discharge through arranging oil pipe and carries out the reutilization, need not the oil extraction time, can utilize sealed lid to arrange oil pipe seal.

Preferably, a limit groove is formed in the inner wall of the upper end of the positioning groove.

Based on the above characteristics: the connecting cylinder is limited when the connecting cylinder is connected with the supporting part, so that the supporting part can rotate and the connecting cylinder is not separated from the supporting part.

Preferably, an annular groove is formed in the outer wall of the lower end of the connecting cylinder, a ball is arranged between the annular groove and the limiting groove, an oil filling port is formed in one side of the connecting cylinder, and a sealing plug is arranged in the oil filling port.

Based on the above characteristics: after the lower extreme of connecting cylinder inserts inside the constant head tank, align ring channel and spacing groove, be annular array form with the ball and set up between ring channel and spacing groove this moment, make things convenient for supporting part and connecting cylinder activity rotatory, when needs are to the inside injection lubrication fluid of connecting cylinder, can open sealed end cap, pour into the connecting cylinder inside through the oiling mouth with lubrication fluid, after the lubrication fluid pours into, utilize sealed end cap to the oiling mouth shutoff can.

Preferably, the lower end of the inner cavity of the connecting cylinder is of a hollow structure.

Based on the above characteristics: the injected lubricating liquid is convenient to accumulate and store.

Preferably, the inner wall of the annular groove is provided with a groove, the surface of the groove is provided with annular array micropores, and the outer wall of the groove is sleeved with a sponge strip.

Based on the above characteristics: the injected lubricating liquid can permeate out through the micropores, the permeated lubricating liquid is adsorbed by the sponge strip, the sponge strip is limited and sleeved on the inner side of the groove, and the sponge strip is prevented from being separated from the annular groove.

Preferably, the sponge strip is of an annular structure, and the sponge strip is located between the groove and the ball.

Based on the above characteristics: the sponge strip is matched with the outer diameters of the annular groove and the groove, when the ball rotates, the ball extrudes and adheres to the lubricating liquid absorbed by the sponge strip, so that the surface of the ball can be always stained with the lubricating liquid, and the self-lubricating effect is achieved.

The beneficial effects of the utility model are as follows:

1. the ball surface self-lubricating is convenient, and the lubrication fluid is injected into the connecting cylinder through the oil filling port, and is accumulated and stored at the lower end of the inner cavity of the connecting cylinder, and the injected lubrication fluid can seep out through the micropores, so that the seeped lubrication fluid is adsorbed by the sponge strip, and when the caster rotates with the supporting part, the surface of the ball is in rolling contact with the surface of the sponge strip due to the fact that the ball is limited between the annular groove and the limiting groove, so that the surface of the ball is always stained with the lubrication fluid, and people do not need to paint the lubrication oil regularly.

2. After the lubricating liquid lubricates the rotating structure, redundant lubricating liquid is accumulated at the bottom of the inner cavity of the positioning groove, and the oil drain pipe is communicated with the bottom of the inner cavity of the positioning groove, when the redundant lubricating liquid is required to be taken out, the sealing cover can be opened, so that the redundant lubricating liquid is discharged through the oil drain pipe for secondary use, and when oil drain is not required, the sealing cover can be used for sealing the oil drain pipe, so that redundant lubricating oil leakage is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of a caster according to the present utility model;

fig. 2 is a split view of a caster and a connecting frame with a caster structure provided by the utility model;

FIG. 3 is a diagram showing the separation of a supporting part and a connecting cylinder of a caster structure according to the present utility model;

fig. 4 is a schematic structural view of a caster structure connecting cylinder provided by the utility model.

In the figure: 1. casters; 2. a connecting frame; 3. a support part; 31. an oil drain pipe; 32. sealing cover; 33. a positioning groove; 331. a limit groove; 4. a pedal; 5. a connecting cylinder; 51. an annular groove; 511. a groove; 512. micropores; 513. a sponge strip; 52. a ball; 53. an oil filling port; 54. sealing the plugs; 6. and (3) mounting a plate.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Referring to fig. 1-4, the caster structure provided by the utility model comprises a caster 1 and a connecting frame 2, wherein the connecting frame 2 is arranged outside the caster 1, a supporting part 3 is arranged at the upper end of the caster 1, a pedal 4 is arranged at the front end of the supporting part 3, a connecting cylinder 5 is movably arranged at the upper end of the supporting part 3, and a mounting plate 6 is fixedly arranged at the top end of the connecting cylinder 5.

The truckle 1 is installed inside the lower extreme of link 2 and supporting part 3, and connecting cylinder 5 rotates to be connected in supporting part 3 upper end, and the junction of both is provided with rotatable rotating structure, and inside the connecting cylinder 5 can be poured into in advance to the lubricating liquid, makes things convenient for the lubricating liquid to the junction self-lubricating of supporting part 3 and connecting cylinder 5, and connecting cylinder 5 then can be connected through mounting panel 6 and fix in the bottom of equipment or object, and most through the bolt fastening when mounting panel 6 installs fixedly.

Further, an oil drain pipe 31 is installed at the bottom of the supporting portion 3, an outlet end of the oil drain pipe 31 is in threaded connection with a sealing cover 32, and a positioning groove 33 is formed in the middle of the upper end of the supporting portion 3.

The lower extreme of connecting cylinder 5 passes through constant head tank 33 and supporting part 3 rotation connection, and the lubrication liquid is lubricated the back to rotating structure, and unnecessary lubrication liquid will be accumulated and is held up in the inner chamber bottom of constant head tank 33, and arrange oil pipe 31 and the inner chamber bottom of constant head tank 33 and link to each other, when needs take out unnecessary lubrication liquid, can open sealed lid 32, makes unnecessary lubrication liquid discharge through arranging oil pipe 31 and carries out the reutilization, need not the oil extraction time, can utilize sealed lid 32 to arrange oil pipe 31 sealedly.

Further, a limiting groove 331 is formed in the inner wall of the upper end of the positioning groove 33.

The connecting cylinder 5 is limited when the connecting cylinder 5 is connected with the supporting part 3, so that the supporting part 3 can rotate and the connecting cylinder 5 is not separated from the supporting part 3.

Further, an annular groove 51 is formed in the outer wall of the lower end of the connecting cylinder 5, a ball 52 is installed between the annular groove 51 and the limiting groove 331, an oil filling port 53 is formed in one side of the connecting cylinder 5, and a sealing plug 54 is installed in the oil filling port 53.

After the lower end of the connecting cylinder 5 is inserted into the positioning groove 33, the annular groove 51 is aligned with the limiting groove 331, the balls 52 are arranged between the annular groove 51 and the limiting groove 331 in an annular array mode, the supporting portion 3 and the connecting cylinder 5 are conveniently and movably rotated, when lubricating fluid needs to be injected into the connecting cylinder 5, the sealing plug 54 can be opened, the lubricating fluid is injected into the connecting cylinder 5 through the oil injection port 53, and after the lubricating fluid injection is completed, the oil injection port 53 is plugged by the sealing plug 54.

Further, the lower end of the inner cavity of the connecting cylinder 5 is of a hollow structure.

The injected lubricating liquid is convenient to accumulate and store.

Further, a groove 511 is formed in the inner wall of the annular groove 51, annular array-shaped micropores 52 are formed in the surface of the groove 511, and a sponge strip 513 is sleeved on the outer wall of the groove 511.

The injected lubricating fluid can permeate through the micropores 52, the permeated lubricating fluid is adsorbed by the sponge strips 513, the sponge strips 513 are limited and sleeved on the inner sides of the grooves 511, and the sponge strips 513 are prevented from being separated from the annular grooves 51.

Further, the sponge strip 513 is in a ring-shaped structure, and the sponge strip 513 is located between the groove 511 and the ball 52.

The sponge strip 513 is matched with the outer diameters of the annular groove 51 and the groove 511, when the ball 52 rotates, the ball 52 presses and adheres to the lubricating liquid adsorbed by the sponge strip 513, so that the surface of the ball 52 can be always adhered with the lubricating liquid, and the self-lubricating effect is achieved.

The application process of the utility model is as follows: when the sealing plug 54 is opened in use, lubricating fluid is injected into the connecting cylinder 5 through the oil filling port 53, after the lubricating fluid injection is completed, the sealing plug 54 is used for plugging the oil filling port 53, at this time, the lubricating fluid is accumulated and stored at the lower end of the inner cavity of the connecting cylinder 5, the injected lubricating fluid can seep out through the micro holes 52, the seeped lubricating fluid is adsorbed by the sponge strip 513, when the caster wheel 1 and the supporting part 3 rotate, the upper end of the supporting part 3 is movably regulated through the balls 52 and the lower end of the connecting cylinder 5, because the balls 52 are limited between the annular groove 51 and the limiting groove 331, at this time, the surface of the balls 52 is in rolling contact with the surface of the sponge strip 513, the lubricating fluid is always smeared on the surface of the balls 52, and the redundant seeped lubricating fluid falls to the bottom of the inner cavity of the positioning groove 33, because the oil drain pipe 31 is communicated with the bottom of the inner cavity of the positioning groove 33, when the redundant lubricating fluid needs to be taken out, the sealing cover 32 can be opened, the redundant lubricating fluid can be drained through the oil drain 31, and the oil drain pipe 31 can be sealed by the sealing cover 32.

The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. The utility model provides a truckle structure, includes truckle (1) and link (2), the externally mounted of truckle (1) has link (2), its characterized in that: the upper end of truckle (1) is installed supporting part (3), the front end of supporting part (3) is provided with footboard (4), the upper end movable mounting of supporting part (3) has connecting cylinder (5), connecting cylinder (5) top fixed mounting has mounting panel (6).

2. A castor structure according to claim 1, wherein: an oil discharge pipe (31) is arranged at the bottom of the supporting part (3), a sealing cover (32) is connected with the outlet end of the oil discharge pipe (31) in a threaded mode, and a positioning groove (33) is formed in the middle of the upper end of the supporting part (3).

3. A castor structure according to claim 2, wherein: and a limiting groove (331) is formed in the inner wall of the upper end of the positioning groove (33).

4. A castor structure according to claim 1, wherein: an annular groove (51) is formed in the outer wall of the lower end of the connecting cylinder (5), a ball (52) is arranged between the annular groove (51) and the limiting groove (331), an oil filling port (53) is formed in one side of the connecting cylinder (5), and a sealing plug (54) is arranged in the oil filling port (53).

5. A castor structure according to claim 1, wherein: the lower end of the inner cavity of the connecting cylinder (5) is of a hollow structure.

6. A caster structure according to claim 4, wherein: the inner wall of the annular groove (51) is provided with a groove (511), the surface of the groove (511) is provided with annular array micropores (512), and the outer wall of the groove (511) is sleeved with a sponge strip (513).

7. A castor structure according to claim 6, wherein: the sponge strip (513) is of an annular structure, and the sponge strip (513) is located between the groove (511) and the ball (52).