JP2009248836A - Caster with double footboards - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a caster with double footboards which keep operability higher, identification of braking state easier, the braking stabler, a noise reduced, the total structure reinforced, and safety in use improved. <P>SOLUTION: The caster A with double footboards has an independent braking and a release function, and includes a body 10, a locking device 20, a caster device 30, and a braking device 40. The body 10 is provided with the locking device 20, the caster device 30, and the braking device 40. The locking device 20 is provided with a locking tool 25 which is provided at one end of the body 10 and pushed to the braking device 40. The caster device 30 is provided at both sides of the body 10 and can be pushed to the braking device 40. The braking device 40 is provided with a release tool 41, an operating tool 42, and a stopper 43. The release tool 41 is pivotably mounted in the body 10, and has a release part 410 at the one end. The operating tool 42 is pivotably mounted in the body 10 and has an operating part 421 at the one end. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

The present invention relates to a leg ring with a two-step plate, and more particularly to a leg ring with a two-step plate applicable to a precision instrument.

A conventional leg ring is provided with a stretching base at the upper end of the frame of the leg ring and a braking device is provided at the front end of the tensioning base as described in, for example, “Lingers” of Taiwan Patent No. 339043. The side plate of the tension base is provided with through holes that are symmetrical to each other, the lug at the front end of the side plate is provided with a pivot hole, and the location near the lug inside the side plate is A side pressing plate that is formed on the vertical side plate and extends rearward is provided at the end of the vertical side plate, and a horizontal engagement block is provided in an area surrounded by the vertical side plate and the side pressing plate. In addition, since the side plate is provided with a connecting tool, the operability is lowered, the stability of use is lowered, the production becomes difficult, the production cost increases, and the whole There was a drawback of being easily deformed.
Taiwan Patent No. 339043

The main object of the present invention is a two-step board that improves operability, facilitates identification of braking conditions, further stabilizes braking, reduces noise, enhances the overall structure, and improves safety of use. It is to provide an attached leg ring.

According to the leg with a two-step plate according to claim 1 of the present invention, the leg with the two-step plate has an independent braking and releasing function and includes a main body, a locking device, a leg ring device, and a braking device. The locking device, the leg ring device, and the braking device are provided on the main body, and the locking device is provided at one end of the main body and is provided on the braking device. A locking tool to be pressed is provided, and the leg ring device is provided on both sides of the main body and can be pressed to the braking device. The braking device includes a release tool, an operating tool, A stopper, and the release tool is pivotally mounted in the main body, a release portion is provided at one end, and the operating tool is pivotally mounted in the main body, An operating portion is provided at one end, the releasing portion of the releasing device, the operating portion of the operating device, The other end of the release tool and the operating tool is pivotally attached to the stopper inside the main body, and the other end of the stopper is pivotally attached to the main body, When a stopper and a pressing portion extend to one end of the locking device facing the locking device and the leg ring device, and the releasing portion of the releasing device and the operating portion of the operating tool are operating In addition, the stopper and the pressing portion of the stopper may be a two-stepped leg ring that is pressed against or not pressed against the locking device of the locking device and the leg ring device in synchronization.

According to the leg with a two-step plate according to claim 2 of the present invention, the main body is provided with an accommodating portion provided with the locking device and two or more combined bodies, and the combined body Is provided in the vicinity of the accommodating portion, the mating body is provided with an insertion portion, two or more penetration portions, and a plurality of insertion portions, and the insertion device includes the leg ring device. The brake device is provided in the penetrating portion, and a bottom cover is provided in the insertion portion.

According to the leg with a two-step plate according to claim 3 of the present invention, the locking device is provided with a fixing tool, a fitting tool, a bearing tool, at least one interposition tool, and a locking tool. The fixing tool has one end provided in the precision instrument, and the other end penetrates the mating tool, the bearing tool, the interposition tool, and the locking tool. Is provided on the outside of the housing portion, and a penetration portion is provided thereon, the penetration portion penetrates into the bearing tool, and the bearing tool is provided on one surface of the intervention tool. The other surface is provided with a locking tool, and the locking tool is provided with a penetrating part on which the insertion fixing tool can be installed and an engaging part on which the braking device can be installed.

According to the two-stepped leg ring according to claim 4 of the present invention, the leg device includes at least a pair of cases, at least a pair of rings, at least a pair of passive tools, and at least a pair of bearing tools. A shaft, the ring is provided with the ring and the bearing tool at one end of the passive tool, the shaft is inserted through the mating body and the bearing tool, and the bearing The case is provided with two or more insertion locking portions provided on the passive tool, the ring is fitted with the passive tool, and the passive tool includes A penetrating portion that can be fitted to the insertion locking portion of the case and a engaging portion having a plurality of tooth shapes, the insertion locking portion of the case penetrating into the penetrating portion, and the engaging portion There is a braking device inserted in The in the center of the outer and the passive member of the body and the bearing member is provided, wherein the shaft is inserted through the body and the bearing member, for regulating the bias of the bearing member.

According to the two-stepped leg ring according to claim 5 of the present invention, the braking device is provided with a release tool, an operating tool, and a stopper, and the release tool and the operating tool are provided with the stopper. The release tool is pivotally attached to the main body, and the release tool is provided with a connecting portion for pivotally attaching the release tool to the operating tool and the main body. A pivot is inserted through the connecting portion and the connecting portion of the release tool, and a stopper is pivotally attached to the connecting portion of the operating tool.

According to the leg with a two-step plate according to claim 6 of the present invention, the stopper is provided with a mating part, an elastic tool, an engaging part, a stopper part, and a pressing part, A pivot is inserted between the mating portion and the connecting portion of the operating tool, the elastic tool is provided in the engaging portion, and is pressed against the main body, and the engaging portion is pivotally attached to the main body. Has been.

According to the leg with a two-step plate according to claim 7 of the present invention, in order to relate to the bottom cover, the main body is provided with a plurality of insertion portions, and the bottom cover is provided with a plurality of engagement portions. The engaging portion is engaged with the insertion portion.

According to the leg with a two-step plate according to claim 8 of the present invention, the leg with the two-step plate has an independent braking and releasing function, and includes a main body, a locking device, a leg ring device, and a braking device. The main body is provided with a housing portion and two or more combined bodies, the housing portion is provided with a locking device, and the mating portion is provided in the vicinity of the housing portion. A body is provided, the mating body is provided with an insertion portion and two or more penetration portions, the insertion portion is provided with a leg ring device, and the penetration portion is braked. And the locking device includes a fixing tool, a mating tool, a circular bearing tool, at least one interposition tool, and a locking tool. The fixing tool has one end. Is provided in the precision instrument, and the other end penetrates into the mating tool, the bearing tool, and the interposition tool, A fixing tool is provided; the mating tool is provided outside the housing portion; a penetrating portion is opened on the fixing tool; and a bearing tool is inserted into the penetrating portion; One or more intervening tools are provided inside the accommodating portion, and a locking tool is provided at the other end of the intervention tool, and an insertion fixing tool is installed in the locking tool. A penetrating portion is provided, and a brake device is engaged with the engaging portion. The leg ring device includes at least a pair of cases, at least a pair of rings, at least a pair of passive tools, and at least a pair of passive devices. Bearings and shafts are provided, the case, the ring and the bearing tool are provided in the passive tool, and the shaft is inserted through the mating body and the bearing tool, The bias of the bearing tool is regulated, One or more insertion locking portions provided in the passive device are provided in the case, the insertion locking portion is provided in the passive device, and the ring is configured to connect the free end of the passive device. The passive tool is provided with a penetrating portion that can be matched with the insertion locking portion of the case and a engaging portion having a plurality of tooth shapes, and the insertion locking portion of the case is provided in the through portion. Penetrating, a braking device is inserted in the engaging portion, a bearing tool is provided in the center of the combined body of the main body and the passive tool, and the shaft includes a combined body of the main body and The bearing tool is inserted to regulate the bias of the bearing tool, and the brake device is provided with a release tool, an operating tool, and a stopper, and the release tool is disposed in the main body. Pivoted and provided with a release portion at one end, It is pivotally attached to the inside of the body, and is provided with an operating part at one end. The releasing part of the releasing tool and the operating part of the operating tool protrude outside, and inside the main body, the releasing tool and The other end of the operating tool is pivotally attached to the stopper, and the other end of the stopper is pivotally attached to the main body, and faces the locking tool of the locking device and the leg ring device. A stopper and a pressing part extend at one end, and when the releasing part of the release tool and the operating part of the operating tool are operating, the stopper and the pressing part of the stopper are the locking device. It is a leg ring with a two-step board characterized by not pressing or pressing against the locking tool and the leg ring device synchronously.

According to the two-stepped foot ring according to claim 9 of the present invention, the release device and the operation device of the braking device are pivotally attached to the stopper and the end portion in the main body, and the connecting portion is connected to the release device. The releaser is pivotally attached to the stopper and the end in the main body by the connecting part and the pivot, and the operating tool is provided with two or more connecting parts, A pivot is inserted through the connecting part of the release tool, and a connecting part of the operating part is pivotally attached to the stopper.

According to the two-stepping plate-equipped leg ring according to claim 10 of the present invention, the stopper is provided with a mating portion, an elastic member, an engaging portion, a stopper portion, and a pressing portion, A pivot is inserted between the mating portion and the connecting portion of the operating tool, the elastic tool is provided in the engaging portion, and is pressed against the inner surface of the mating body of the main body. The locking part and the pressing part are pivotally attached to the penetration part of the mating body of the main body, and the locking part of the locking device is adapted to be braked or released by the release tool and the operating tool. It can be pressed against the engaging portion and the locking portion of the passive device of the leg ring device.

According to the leg with a two-step plate according to claim 11 of the present invention, a bottom cover is provided between the locking device and the leg device of the main body in order to prevent dust from entering the inside. The bottom cover is engaged with the insertion portion of the main body, and a plurality of insertion portions are provided on the main body.

According to the two-stepped foot ring of the present invention, the operability is improved, the braking state is easily identified, the braking is further stabilized, the noise is reduced, the overall structure is strengthened, and the safety of use is improved. There is an effect of improving.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

First, FIG. 1 to FIG. 5 will be referred to. A leg ring A with a two-step plate according to the present invention is applicable to a precision instrument and has a main body 10, and the main body 10 includes a locking device 20, a leg ring device 30, a braking device 40, and a bottom cover. 50, and the braking device 40 is provided between the locking device 20 and the leg ring device 30, and in order to prevent the intrusion of dust inside, the braking device 20 and the leg ring device 30 A bottom cover 50 is provided between them. By the braking and releasing operation of the braking device 40 of the main body 10, the locking with respect to the locking device 20 and the leg ring device 30 is easy and stable. Therefore, the intrusion of dust inside can be prevented, so that the rotation of the two-stepped leg ring A according to the present invention is further stabilized and smooth.

The main body 10 is capable of accommodating the locking device 20 and is provided with a circular accommodating portion 11, and in the vicinity of the accommodating portion 11, a piece 12 and a mating body 12 facing each other are provided. Are provided with an insertion portion 120, two or more penetration portions 121A, 120B, and a plurality of insertion portions 122. The insertion portion 120 is provided with a leg ring device 30, and the penetration portions 121A, A brake device 40 is provided at 120B, and a bottom cover 50 is provided at the insertion portion 122.

The locking device 20 is provided with a fixing tool 21, a mating tool 22, a bearing tool 23, at least one interposition tool 24, a locking tool 25 having a disk shape, and a fixing tool 26. The fixing tool 21 has one end provided in the precision instrument, the other end penetrating the mating tool 22, the bearing tool 23, and the interposition tool 24, and a locking tool provided at the free end thereof. The mating tool 22 covers the housing part 11 and has a through part 220. The through part 220 passes through the bearing tool 23, and the bearing tool 23 is provided in the housing part 11. In addition, an interposition tool 24 is provided on the lower surface, and a locking tool 25 is provided on the other end of the interposition tool 24, and a penetration portion 250 through which the insertion fixture 21 is inserted is formed in the locking tool 25. The engagement device 251 is associated with the braking device 40, and the fixture 26 is fixed to one end of the insertion fixture 21. It is.

The leg ring device 30 is provided with at least a pair of cases 31, at least a pair of rings and 32, at least a pair of passive tools 33, at least a pair of bearing tools 34, and a shaft 36. One or more pins are provided at the vertical end, an insertion locking portion 310 provided in the passive device 33 is opened, and the ring 32 is rotatably fitted to the free end of the passive device 33. The passive device 33 is provided with a through portion 330 that can be fitted to the insertion locking portion 310 of the case 31 and an engaging portion 331 that has a plurality of tooth shapes, and the through portion 330 has an insertion locking portion of the case 31. 310 is inserted, the braking device 40 is inserted into the engaging portion 331, a bearing tool 34 is provided on the outside of the mating body 12 and the center of the passive tool 33, and the shaft 36 is coupled to the mating body 12. And axis The ingredients 34 inserted, regulates the bias of the bearing member 34.

The brake device 40 is provided with a release tool 41, an actuating tool 42 having a square shape, and a stopper 43. The release tool 41 is provided with a release portion 410 at one end, and at the other end. A connecting portion 411 pivotally attached to the penetrating portion 120B between the operating tool 42 and the combined body 12 is provided, and the other end of the connecting portion 411 is pivotally attached to the operating tool 42. Two or more connecting parts 420A and 420B are provided, and an operating part 421 for stopping the slide is provided at the other end. The connecting part 420A is pivotally attached to the other end of the connecting part 411 of the release tool. The connecting portion 420B is provided at one end of the stopper 43, and a pivot can be inserted into the stopper 43. The stopper 43 includes the mating portion 430, an elastic tool, and the like. 431 and a pair of engaging portions 4 2, a pair of stop portions 433, and a pair of pressing portions 434, the mating portion 430 is pivotally attached to the connecting portion 420 </ b> B of the operating tool 42 by a pivot, and the elastic tool 431 is an engaging portion 432. The engaging portion 432 is pivotally attached to the penetrating portion 120 of the mating body 12, and the stopper 433 and the pressing portion 434 are connected to the release tool 41. In accordance with the braking or release of the actuator 42, it can be pressed against the engaging portion 251 of the locking device 25 of the locking device 20 and the locking portion 331 of the passive device 33 of the leg ring device 30.

The bottom cover 50 is an integrally formed piece, and is provided with an engaging portion 51 extending to the main body 10, and the engaging portion 51 is stably engaged with the insertion portion 122 of the main body 10, thereby Unsuccessful rotation due to dust of the leg ring device 30 can be prevented. In addition, as shown in FIG. 4 and FIG. 5, the switching of the brake and release of the leg ring is performed by depressing the operating tool 42 of the braking device 40, and the operating tool 42 drives the release tool 41 in conjunction with the stopper 43. Accordingly, the stopper 433 of the stopper 43 is pressed against the engaging portion 331 of the passive device 33 of the leg ring device 30, and the pressing portion 434 is pressed against the engaging portion 251 of one end of the locking device 25 of the locking device 20. Thus, the stopper 433 and the pressing portion 434 are surely pressed against the locking device 20 and the leg ring device 30, so that the leg ring can be stably stopped. On the other hand, the release tool 41 and the actuating tool 42 of the braking device 40 are divided into upper and lower parts when in use. Therefore, according to the leg wheel A with a two-step plate of the present invention, the operability is improved and the braking state is reduced. Identification is easier, braking is more stable, noise is reduced, the overall structure is strengthened, and safety of use is improved.

It is a perspective view which shows the combined state of the whole structure of this invention. It is a disassembled perspective view which shows the whole structure of this invention. It is sectional drawing which shows the state of the normal time of this invention. It is a perspective view which shows the operation | movement condition of this invention. It is sectional drawing which shows the use condition of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Main body 11 Storage part 12 Matching body 20 Locking device 21 Insertion fixing 22 Matching tool 23 Bearing tool 24 Interposition tool 25 Locking tool 26 Fixing tool 30 Leg ring device 31 Case 32 Ring 33 Passive tool 34 Bearing tool 36 Shaft 40 Braking device 41 Release tool 42 Actuator 43 Stopper 50 Bottom cover 51 Engagement part 120 Insertion part 121A Penetration part 120B Penetration part 220 Penetration part 250 Penetration part 251 Engagement part 310 Insertion lock part 330 Penetration part 331 Lock part 410 Release part 411A Connection part 411B connecting part 420A connecting part 420B connecting part 421 actuating part 430 mating part 431 elastic tool 432 engaging part 433 stop part 434 pressing part

Claims (11)

A leg ring with a two-step plate having an independent braking and releasing function and including a main body, a locking device, a leg ring device, and a braking device,
The main body is provided with the locking device, the leg ring device, and the braking device,
The locking device is provided with a locking tool provided at one end of the main body and pressed against the braking device,
The leg ring device is provided on both sides of the main body and can be pressed against the braking device,
The brake device is provided with a release tool, an operating tool, and a stopper. The release tool is pivotally mounted in the main body, and a release portion is provided at one end thereof. The tool is pivotally mounted in the main body, and is provided with an operating part at one end. The release part of the releasing tool and the operating part of the operating tool protrude to the outside. The other end of the release tool and the actuating tool is pivotally attached to the stopper, and the other end of the stopper is pivotally attached to the main body. A stopper and a pressing part extend at one end facing the device, and when the releasing part of the release tool and the operating part of the operating tool are operating, the stopper and the pressing part of the stopper are The locking device of the locking device is not pressed against the locking device and the leg ring device synchronously or not And wherein, the two treads with casters. The main body is provided with a housing portion provided with the locking device and two or more combined bodies, and the combined body is provided in the vicinity of the housing portion. An insertion portion, two or more penetration portions, and a plurality of insertion portions, wherein the insertion portion is provided with the leg ring device, and the penetration portion is provided with the braking device. The leg ring with two footboards according to claim 1, wherein a bottom cover is provided on the insertion portion. The locking device includes a fixing tool, a mating tool, a bearing tool, at least one interposition tool, and a locking tool, and the fixing tool has one end provided in a precision instrument. The other end penetrates the mating tool, the bearing tool, the interposition tool, and the locking tool, and the mating tool is provided outside the housing portion, and the penetrating portion is provided on the mating tool. The penetrating portion penetrates into the bearing tool, the bearing tool is provided on one surface of the intervention tool, and a locking tool is provided on the other surface of the intervention tool. 2. The leg ring with a two-step plate according to claim 1, wherein the tool is provided with a penetrating part on which the insertion fixing tool can be installed and an engaging part on which the braking device can be installed. The leg ring device is provided with at least a pair of cases, at least a pair of rings, at least a pair of passive tools, at least a pair of bearing tools, and a shaft. A bearing tool is provided at one end of the passive tool, the shaft is inserted through the mating body and the bearing tool, restricts the bias of the bearing tool, and the case is attached to the passive tool. Two or more insertion locking portions provided are provided, the ring is fitted with the passive tool, and the passive tool has a penetrating portion that can be matched with the insertion locking portion of the case, and a plurality of insertion locking portions. An engaging portion having a tooth shape is provided, an insertion locking portion of the case is inserted into the penetrating portion, a braking device is inserted into the engaging portion, and the outer side of the main body and the passive portion are inserted. There is a bearing tool in the center of the tool. Vignetting and, said shaft is inserted through the body and the bearing member, characterized by regulating the bias of the bearing member, the two treads with casters according to claim 1. The brake device includes a release tool, an operating tool, and a stopper, and the release tool and the operating tool are pivotally attached to the stopper and the main body, and the release tool is connected to the operating tool and the In order to pivotally attach to the main body, the release tool is provided with a connecting part, and the operating tool is provided with two or more connecting parts, and the connecting part and the connecting part of the release tool are connected to each other. The leg ring with a two-step plate according to claim 1, wherein a pivot is inserted, and a stopper is pivotally attached to the connecting portion of the operating tool. The stopper is provided with a mating part, an elastic tool, an engaging part, a stopper part, and a pressing part, and a pivot is inserted between the mating part and the connecting part of the operating tool. The two-step board according to claim 5, wherein the elastic tool is provided at an engaging portion, is pressed against the main body, and the engaging portion is pivotally attached to the main body. With a leg ring. In order to relate to the bottom cover, the main body has a plurality of insertion portions, the bottom cover has a plurality of engagement portions, and the engagement portions are engaged with the insertion portion. The leg ring with two footboards according to claim 1, characterized in that it is characteristic. A leg ring with a two-step plate having an independent braking and releasing function and including a main body, a locking device, a leg ring device, and a braking device,
The main body is provided with an accommodating portion and two or more combined bodies, the accommodating portion is provided with a locking device, and the combined body is provided in the vicinity of the accommodating portion. The mating body is provided with an insertion portion and two or more penetration portions, the insertion portion is provided with a leg ring device, and the penetration portion is provided with a braking device. And
The locking device includes a fixing tool, a mating tool, a circular bearing tool, at least one interposition tool, and a locking tool. The fixing tool has one end provided in a precision instrument. And the other end penetrates into the mating tool, the bearing tool, and the interposition tool, and a fixing tool is provided at one end thereof, and the mating tool is provided outside the housing portion. A penetrating portion is opened thereon, a bearing tool is inserted into the penetrating portion, the bearing tool is provided inside the housing portion, and one or more intervening tools are provided, The other end of the interposition tool is provided with a locking tool, the locking tool is provided with a penetrating part for installing an insertion fixing tool, and the engaging part is associated with a braking device. And
The leg ring device is provided with at least a pair of cases, at least a pair of rings, at least a pair of passive tools, at least a pair of bearing tools, and a shaft, and the case, the ring, and the bearing tools. Is provided in the passive tool, the shaft passes through the combined body and the bearing tool, restricts the bias of the bearing tool, and the case is provided with the one provided in the passive tool. Two or more insertion locking parts are provided, the insertion locking part is provided in the passive tool, the ring is fitted with a free end of the passive tool, and the passive tool includes the case A penetrating portion that can be fitted to the insertion locking portion and a engaging portion having a plurality of tooth shapes are provided, and the insertion locking portion of the case penetrates the penetrating portion, and the engaging portion is braked. A device is inserted, In the center of the body combined body and the passive tool and the bearing member is provided, wherein the shaft is inserted through the mating body and the bearing member of the body, and to regulate the bias of the bearing member,
The brake device is provided with a release tool, an operating tool, and a stopper. The release tool is pivotally mounted in the main body, and a release portion is provided at one end thereof. The tool is pivotally mounted in the main body, and is provided with an operating part at one end. The release part of the releasing tool and the operating part of the operating tool protrude to the outside. The other end of the release tool and the actuating tool is pivotally attached to the stopper, and the other end of the stopper is pivotally attached to the main body. A stopper and a pressing part extend at one end facing the device, and when the releasing part of the release tool and the operating part of the operating tool are operating, the stopper and the pressing part of the stopper are The locking device of the locking device is not pressed against the locking device and the leg ring device synchronously or not And wherein, the two treads with casters. The release device and the operation device of the braking device are pivotally attached to the stopper and an end portion in the main body, and a connection portion is provided on the release device, and the release device is connected to the stopper by the connection portion and the pivot. The actuator is provided with two or more connecting portions, a pivot shaft is inserted between the connecting portion and the connecting portion of the release tool, and the stopper 9. The two-stepped leg ring according to claim 8, wherein a connecting portion of the operating portion is pivotally attached to the base. The stopper is provided with a mating part, an elastic tool, an engaging part, a stopper part, and a pressing part, and a pivot is inserted between the mating part and the connecting part of the operating tool. The elastic member is provided at an engaging portion and pressed against an inner surface of the mating body of the main body, and the engaging portion is pivotally attached to a penetrating portion of the mating body of the main body. And the pressing portion are provided in the engagement portion of the locking device of the locking device and the locking portion of the passive device of the leg ring device in accordance with the braking or release of the release tool and the operating tool. The leg ring with two footboards according to claim 8, characterized in that it can be pressed. In order to prevent intrusion of dust inside, a bottom cover is provided between the locking device of the main body and the leg ring device, and the bottom cover is engaged with the insertion portion of the main body. The leg ring with two footboards according to claim 8, wherein a plurality of insertion portions are provided in the main body.

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