CN207772786U - A kind of universal wheel and cart - Google Patents

A kind of universal wheel and cart Download PDF

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Publication number
CN207772786U
CN207772786U CN201820039399.8U CN201820039399U CN207772786U CN 207772786 U CN207772786 U CN 207772786U CN 201820039399 U CN201820039399 U CN 201820039399U CN 207772786 U CN207772786 U CN 207772786U
Authority
CN
China
Prior art keywords
jack
holder
bolt
universal wheel
fixing piece
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201820039399.8U
Other languages
Chinese (zh)
Inventor
李洁
吕文旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, Chengdu BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201820039399.8U priority Critical patent/CN207772786U/en
Application granted granted Critical
Publication of CN207772786U publication Critical patent/CN207772786U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of universal wheel and carts, are related to cart technical field, to solve the problems, such as that existing universal wheel causes cart the problem of various conveyances occur because that can not orient when needed.The universal wheel includes fixing piece, holder and idler wheel, the holder is rotatablely connected with the fixing piece, the idler wheel is connect with the holder pivots, it further include the first jack, second jack and bolt, first jack is opened on the fixing piece, second jack is opened on the holder, and it is staggered with the center of rotation of the holder, rotation with the holder relative to the fixing piece, second jack can be opposite with first jack, when second jack is opposite with first jack, the bolt can be inserted into simultaneously in first jack and second jack, so that the holder is static relative to the fixing piece.The utility model is for enabling cart to turn to.

Description

A kind of universal wheel and cart
Technical field
The utility model is related to cart technical field more particularly to a kind of universal wheels and cart.
Background technology
The motion structure of cart is fairly simple, the design of typically preceding directional wheel (power wheel)+rear universal wheel, and utilization is universal Wheel carries out servo-actuated and course changing control, however, universal wheel in the prior art can lead to cart because that can not orient when needed There are various conveyance problems.Such as mask plate cart (Mask MGV) and clip cart (CST MGV), both carts are in reality There are problems that following conveyance because universal wheel can not orient when needed in use:
1, it when mask plate (Mask) rearranges arrangement between different clips (CST), needs to be realized with mask plate cart Mask plate straight line passes in and out clip, however, universal wheel can not orient at this moment, the unstability in direction is difficult to make mask plate cart Realize the demand;
2, it for throw the net (Tension) equipment or inspection (Inspection) equipment of off-line state, is required for using monolithic Mask plate cart completes the transporting operation of mask plate, to ensure that mask plate is put into equipment with relatively fixed position, outside equipment It is laid with the fixation guide rail for fixing the mask plate cart direction of motion, but the guide rail can not orient universal wheel, universal wheel Itself can not also be oriented, therefore mask plate cart is easy to be stuck on guide rail because of the careless rotation of universal wheel in disengaging, at this time It needs to pull mask plate cart energetically, and then mask plate is caused to shift;
It needs to use clip cart when mask plate 3, being put into vapor deposition (EV) equipment, fixation has equally been laid with outside evaporated device Guide rail, where there is the problems identical with 2, and clip cart volume is larger, and trailing wheel blocks more difficult.
Utility model content
The embodiments of the present invention provide a kind of universal wheel and cart, can solve existing universal wheel because can not be in needs When orientation and cause cart the problem of various conveyance problems occur.
In order to achieve the above objectives, the embodiments of the present invention adopt the following technical scheme that:
The utility model embodiment provides a kind of universal wheel, including fixing piece, holder and idler wheel, the holder and institute Fixing piece rotation connection is stated, the idler wheel connect with the holder pivots, further includes the first jack, the second jack and bolt, First jack is opened on the fixing piece, and second jack is opened on the holder, and with the holder turn Dynamic center is staggered, the rotation with the holder relative to the fixing piece, and second jack can be with the first jack phase Right, when second jack is opposite with first jack, the bolt can be inserted into first jack and described simultaneously In two jacks, so that the holder is static relative to the fixing piece.
Further, the bolt is set in first jack, further includes location structure, the location structure can be by institute It states bolt and is positioned at first position or the second position, when the bolt is in the first position, the bolt is close to described One end of holder can be inserted into second jack, so that the holder is static relative to the fixing piece, at the bolt When the second position, the bolt is located at close to one end of the holder outside second jack.
Further, the location structure is refill for ball-point pen telescoping mechanism.
Further, the refill for ball-point pen telescoping mechanism includes sliding slot group, rotating member, pressing piece and spring, the cunning Slot group is fixedly installed, and the rotating member is connect with the one end of the bolt far from the holder, and the pressing piece is covered on described The one end of rotating member far from the holder, for driving the rotating member to be moved to close to the direction of the holder, the rotation Part and the pressing piece coordinate with the sliding slot group, and the spring pocket is set on the bolt, close to the rotating member One end is abutted with the rotating member, and another end position is fixed.
Further, tube-like piece is equipped in first jack, the sliding slot group is fixedly installed on the interior of the tube-like piece On surface, the fixing piece is plate.
Further, the tube-like piece is circular conical surface close to the outer surface of one end of the holder.
Further, the bolt is coniform close to one end of the holder.
Further, second jack is two, and the center of rotation relative to the holder is symmetrical.
Further, the holder includes rack body and the protrusion set on the rack body side, the holder Ontology is rotatablely connected with the fixing piece, and the idler wheel is rotatablely connected with the rack body, and second jack is opened in institute It states on protrusion.
The utility model embodiment additionally provides a kind of cart, and the trailing wheel of the cart is described in any of the above-described technical solution Universal wheel.
The universal wheel and cart that the utility model embodiment provides, due to including the first jack, the second jack and bolt, First jack is opened on the fixing piece, and second jack is opened on the holder, and with the holder turn Dynamic center is staggered, the rotation with the holder relative to the fixing piece, and second jack can be with the first jack phase Right, when second jack is opposite with first jack, the bolt can be inserted into first jack and described simultaneously In two jacks, so that the holder is static relative to the fixing piece, i.e. matching by the first jack, the second jack and bolt Conjunction can lock holder, to make the direction of idler wheel determine, that is to say, that the universal wheel can orient when needed, therefore There are various conveyance problems in avoidable cart.
Description of the drawings
Fig. 1 is the stereogram of the utility model embodiment universal wheel;
Fig. 2 is the front view of the utility model embodiment universal wheel;
Fig. 3 is the partial enlarged view of Fig. 2;
Fig. 4 is the explosive view of location structure in the utility model embodiment universal wheel;
Fig. 5 is the upward view of the utility model embodiment universal wheel.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be understood that term "center", "upper", "lower", "front", "rear", The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute The orientation or positional relationship shown, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply and is signified Device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this practicality Novel limitation.
Term " first ", " second " are used for description purposes only, be not understood to indicate or imply relative importance or Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply Ground includes one or more this feature.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two It is a or more than two.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be directly connected, can also can be indirectly connected through an intermediary the connection inside two elements.For For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to figs. 1 to Fig. 5, the utility model embodiment provides a kind of universal wheel, including fixing piece 1, holder 2 and rolling Wheel 3, fixing piece 1 are used to fix with the main body of cart, and holder 2 is rotatablely connected with fixing piece 1, so that holder 2 can horizontal 360-degree rotation Turn, idler wheel 3 is rotatablely connected with holder 2, further includes the first jack 4, the second jack 5 and bolt 6, and the first jack 4 is opened in solid Determine on part 1, the second jack 5 is opened on holder 2, and is staggered with the center of rotation of holder 2, as holder 2 is relative to fixing piece 1 Rotation, the second jack 5 can be opposite with the first jack 4, and when the second jack 5 is opposite with the first jack 4, bolt 6 can be inserted simultaneously Enter in the first jack 4 and the second jack 5, so that holder 2 is static relative to fixing piece 1.
The universal wheel that the utility model embodiment provides, due to including the first jack 4, the second jack 5 and bolt 6, the One jack 4 is opened on fixing piece 1, and the second jack 5 is opened on holder 2, and is staggered with the center of rotation of holder 2, with branch Rotation of the frame 2 relative to fixing piece 1, the second jack 5 can be opposite with the first jack 4, when the second jack 5 and the first jack 4 are opposite When, bolt 6 can be inserted into simultaneously in the first jack 4 and the second jack 5, so that holder 2 is static relative to fixing piece 1, that is, pass through The cooperation of one jack 4, the second jack 5 and bolt 6 can lock holder 2, to make the direction of idler wheel 3 determine, that is to say, that The universal wheel can orient when needed, therefore can avoid cart and various conveyance problems occur.
With reference to Fig. 3, bolt 6 is set in the first jack 4, further includes location structure 7, bolt 6 can be positioned at by location structure 7 First position or the second position, when bolt 6 is in first position, bolt 6 can be inserted into the second jack 5 close to one end of holder 2 It is interior, so that holder 2 is static relative to fixing piece 1, to make universal wheel orient;When bolt 6 is in the second position, bolt 6 leans on One end of nearly holder 2 is located at outside the second jack 5, to make universal wheel can horizontal 360-degree rotation;Thus bolt 6 can be made to locate always In in the first jack 4, to prevent bolt 6 to lose.
The embodiment of location structure 7 is more, for example, location structure 7 may include set on the interior of 4 inner surface of the first jack Bolt 6 can be positioned at first by screw thread and external screw thread set on 6 side of bolt, internal thread with the cooperation of externally threaded different location Position or the second position, and the present embodiment location structure 7 is preferably refill for ball-point pen telescoping mechanism, thus can pass through the side of pressing Bolt 6 is positioned at first position or the second position by formula, more efficient compared to the mode of operation that internal thread and external screw thread screw.
With reference to Fig. 4, refill for ball-point pen telescoping mechanism includes sliding slot group 71, rotating member 72, pressing piece 73 and spring 74, sliding slot Group 71 is fixedly installed, and multiple sliding slot A in sliding slot group 71 are arranged along the extending direction of the first jack 4, and uniform around bolt 6 Distribution, adjacent two sliding slot A are all provided between one end of holder 2 there are two the first tooth B, and rotating member 72 and bolt 6 are separate One end of holder 2 connects, specifically, rotating member 72 includes the rotating shaft C being arranged along 4 extending direction of the first jack and multiple raised line D, Rotating shaft C is connect with the one end of bolt 6 far from holder 2, and multiple raised line D are uniformly distributed around rotating shaft C, and are fixed on the side of rotating shaft C Face, pressing piece 73 are covered on the one end of rotating shaft C far from holder 2, and raised line D is wedge structure E, pressing close to one end of pressing piece 73 Part 73 is equipped with multiple second tooth F close to one end of holder 2, and the outer surface of pressing piece 73 is equipped with multiple sliding block G, in rotating member 72 Multiple raised line D in sliding slot group 71 multiple sliding slot A one-to-one correspondence be slidably matched, multiple sliding block G in pressing piece 73 and cunning Multiple sliding slot A one-to-one correspondence in slot group 71 is slidably matched, and spring 74 is sheathed on bolt 6, and spring 74 is close to rotating member 72 One end is abutted with rotating shaft C, and another end position is fixed.
In practical operation, pressing piece 73 is pressed to close to the direction of holder 2, can make sliding block G in corresponding sliding slot A to by The direction sliding of nearly holder 2, while the second tooth F can extrude the wedge structure E on raised line D, make raised line D in corresponding sliding slot A It is slided to close to the direction of holder 2, to keep rotating member 72 and bolt 6 whole to close to the movement of the direction of holder 2, this process Spring 74 can be squeezed into compressive state, when raised line D is skidded off out of sliding slot A, in the elastic force effect of spring 74 and the second tooth F Under mating reaction with wedge structure E, rotating member 72 can rotate, between so that wedge structure E is caught in two the first tooth B, this When, you can bolt 6 is positioned at first position;
Pressing piece 73 is pressed to close to the direction of holder 2 again, can make sliding block G in corresponding sliding slot A to close to holder 2 Direction sliding, while the second tooth F can extrude the wedge structure E on raised line D, when wedge structure E is from sliding between two the first tooth B When going out, under the elastic force effect and the mating reaction of the second tooth F and wedge structure E of spring 74, rotating member 72 continues to rotate, from And raised line D is made to slide into next sliding slot A, and slided to the direction far from holder 2 along sliding slot A, while sliding block G is slided accordingly It is slided to the direction far from holder 2 in slot A, during this, bolt 6, rotating member 72 and pressing piece 73 are to far from holder 2 Direction movement, when sliding block G is abutted with limiting section (not shown)s of the sliding slot A far from 2 one end of holder, you can by bolt 6 It is positioned at the second position.
It is equipped with tube-like piece 8 in first jack 4, sliding slot group 71 is fixedly installed on the inner surface of tube-like piece 8, at this point, spring 74, bolt 6, rotating member 72 and pressing piece 73 are respectively positioned in tube-like piece 8, and the first jack 4 is directly arranged in compared to by sliding slot group 71 Inner surface on, the present embodiment is set as plate, to save material cost without fixing piece 1 being arranged blocked up.
Further, tube-like piece 8 is circular conical surface 81 close to the outer surface of one end of holder 2, and tube-like piece 8 thus can be facilitated to insert Enter in the first jack 4, to facilitate assembling.
Bolt 6 is coniform close to one end of holder 2, in order to which bolt 6 is inserted into the first jack 4 and the second jack 5.
With reference to Fig. 5, the second jack 5 is two, and the center of rotation relative to holder 2 is symmetrical, as a result, when any one It when a second jack 5 is opposite with the first jack 4, can be locked by bolt 6, to keep locking more convenient.
Holder 2 includes rack body 21 and the protrusion 22 set on 21 side of rack body, rack body 21 and fixing piece 1 Rotation connection, idler wheel 3 are rotatablely connected with rack body 21, and the second jack 5 is opened on protrusion 22, thus can make rack body 21 without the excessive of setting, to reduce the size of rack body 21.
The utility model embodiment additionally provides a kind of cart, and the trailing wheel of cart is universal described in any of the above-described embodiment Wheel.
The cart that the utility model embodiment provides, since universal wheel includes the first jack 4, the second jack 5 and bolt 6, the first jack 4 is opened on fixing piece 1, and the second jack 5 is opened on holder 2, and is staggered with the center of rotation of holder 2, with Rotation of the holder 2 relative to fixing piece 1, the second jack 5 can be opposite with the first jack 4, when the second jack 5 and the first jack 4 When opposite, bolt 6 can be inserted into simultaneously in the first jack 4 and the second jack 5, so that holder 2 is static relative to fixing piece 1, i.e., it is logical Holder 2 can be locked by crossing the cooperation of the first jack 4, the second jack 5 and bolt 6, to make the direction of idler wheel 3 determine, also It is to say, which can orient when needed, therefore can avoid cart and various conveyance problems occur.
Other compositions etc. about the utility model embodiment cart have been well known to those skilled in the art, herein not It is described in detail again.
Above description is only a specific implementation of the present invention, but the scope of protection of the utility model is not limited to In this, any one skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power Subject to the protection domain that profit requires.

Claims (10)

1. a kind of universal wheel, including fixing piece, holder and idler wheel, the holder is rotatablely connected with the fixing piece, the rolling Wheel is connect with the holder pivots, which is characterized in that further includes the first jack, the second jack and bolt, first jack It being opened on the fixing piece, second jack is opened on the holder, and is staggered with the center of rotation of the holder, with Rotation of the holder relative to the fixing piece, second jack can be opposite with first jack, when described second When jack is opposite with first jack, the bolt can be inserted into simultaneously in first jack and second jack, so that The holder is static relative to the fixing piece.
2. universal wheel according to claim 1, which is characterized in that the bolt is set in first jack, further includes The bolt can be positioned at first position or the second position by location structure, the location structure, when the bolt is in described When first position, the bolt can be inserted into close to one end of the holder in second jack so that the holder relative to The fixing piece is static, and when the bolt is in the second position, the bolt is located at institute close to one end of the holder It states outside the second jack.
3. universal wheel according to claim 2, which is characterized in that the location structure is refill for ball-point pen telescoping mechanism.
4. universal wheel according to claim 3, which is characterized in that the refill for ball-point pen telescoping mechanism includes sliding slot group, turns Moving part, pressing piece and spring, the sliding slot group fixed setting, the rotating member and the one end of the bolt far from the holder Connection, the pressing piece are covered on the one end of the rotating member far from the holder, for driving the rotating member to close to institute The direction movement of holder is stated, the rotating member and the pressing piece coordinate with the sliding slot group, and the spring pocket is set to described On bolt, abutted with the rotating member close to one end of the rotating member, another end position is fixed.
5. universal wheel according to claim 4, which is characterized in that be equipped with tube-like piece, the sliding slot in first jack Group is fixedly installed on the inner surface of the tube-like piece, and the fixing piece is plate.
6. universal wheel according to claim 5, which is characterized in that appearance of the tube-like piece close to one end of the holder Face is circular conical surface.
7. universal wheel according to claim 1, which is characterized in that the bolt is circular cone close to one end of the holder Shape.
8. universal wheel according to claim 1, which is characterized in that second jack is two, and relative to the branch The center of rotation of frame is symmetrical.
9. according to universal wheel according to any one of claims 1 to 8, which is characterized in that the holder include rack body and Protrusion set on the rack body side, the rack body and the fixing piece are rotatablely connected, the idler wheel with it is described Rack body is rotatablely connected, and second jack is opened on the protrusion.
10. a kind of cart, which is characterized in that the trailing wheel of the cart is universal wheel according to any one of claims 1 to 9.
CN201820039399.8U 2018-01-10 2018-01-10 A kind of universal wheel and cart Expired - Fee Related CN207772786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820039399.8U CN207772786U (en) 2018-01-10 2018-01-10 A kind of universal wheel and cart

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820039399.8U CN207772786U (en) 2018-01-10 2018-01-10 A kind of universal wheel and cart

Publications (1)

Publication Number Publication Date
CN207772786U true CN207772786U (en) 2018-08-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820039399.8U Expired - Fee Related CN207772786U (en) 2018-01-10 2018-01-10 A kind of universal wheel and cart

Country Status (1)

Country Link
CN (1) CN207772786U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110360427A (en) * 2019-07-29 2019-10-22 陈君辉 A kind of Portable adjustable measuring instrument support frame
CN111674202A (en) * 2020-05-09 2020-09-18 湖州埭溪振华工贸有限公司 Universal directional conversion wheel
CN113458539A (en) * 2021-07-30 2021-10-01 中车石家庄车辆有限公司 Auxiliary air cylinder hanging seat assembly welding tool

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110360427A (en) * 2019-07-29 2019-10-22 陈君辉 A kind of Portable adjustable measuring instrument support frame
CN111674202A (en) * 2020-05-09 2020-09-18 湖州埭溪振华工贸有限公司 Universal directional conversion wheel
CN113458539A (en) * 2021-07-30 2021-10-01 中车石家庄车辆有限公司 Auxiliary air cylinder hanging seat assembly welding tool

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GR01 Patent grant
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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180828

Termination date: 20220110