CN2749344Y - Hand pulling type schoolbag - Google Patents

Hand pulling type schoolbag Download PDF

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Publication number
CN2749344Y
CN2749344Y CN 200420054985 CN200420054985U CN2749344Y CN 2749344 Y CN2749344 Y CN 2749344Y CN 200420054985 CN200420054985 CN 200420054985 CN 200420054985 U CN200420054985 U CN 200420054985U CN 2749344 Y CN2749344 Y CN 2749344Y
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CN
China
Prior art keywords
pull rod
rod device
school bag
carriage
drags
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Expired - Fee Related
Application number
CN 200420054985
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Chinese (zh)
Inventor
王祥飞
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 200420054985 priority Critical patent/CN2749344Y/en
Application granted granted Critical
Publication of CN2749344Y publication Critical patent/CN2749344Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a hand pulling type schoolbag which comprises a schoolbag body, a telescopic pull rod device and rolling wheels arranged under the pull rod device, wherein the schoolbag body is connected to the pull rod device through a movable connection device. The utility model has the advantages that the schoolbag body is connected to the pull rod device with the rolling wheels through the movable connection device; thus, the schoolbag can be pulled ahead to alleviate the load born by the body of a student, and consequently, scoliosis, chest drawn, humpback and fossa shoulder which are caused by the use of a single-race schoolbag or a double-brace schoolbag can be avoided; the schoolbag body and the pull rod device are in movable connection, the schoolbag body and the pull rod device are convenient to separate, and thus, the collection and the use of the schoolbag body are convenient; at the same time, as the telescopic pull rod device is adopted, the schoolbag can be suitable for the students of different stature; besides, when the utility model is collected, the volume of the pull rod device can be reduced and the pull rod device is convenient to collect.

Description

Hand drags the formula school bag
Technical field
The utility model relates to a kind of school bag, and particularly a kind of hand drags the formula school bag.
Background technology
The school bag that existing student uses is mainly both shoulders endorsement bag.The school bag of this form has certain advantage than single shoulder formula school bag: it is evenly stressed about can making human body by one-sided stressed changing into, thereby can avoid teen-age backbone to produce lateral bending, but behind student's back both shoulders school bag, hold balance in order to keep, the inevitable chest that contains forward in upper body, bow-backed, simultaneously, thereby both shoulders also must cause the nest shoulder to the precoila song, so this both shoulders formula school bag and single shoulder formula school bag, just make student's health be subjected to force direction different, it remains disadvantageous to growing up healthy and sound of student.
Summary of the invention
The purpose of this utility model be to overcome weak point of the prior art and provide a kind of convenient that use, help the healthy school bag of student.
The purpose of this utility model realizes by following approach
A kind of hand drags the formula school bag, comprises the school bag body, and its structural feature is that described school bag also comprises a telescopic pull rod device, and the roller that is arranged at the pull rod device below, and the school bag body is connected on this pull rod device by articulating device.
Be connected in common school bag body on the pull rod device with roller by articulating device, the student just need not to carry the school bag walking like that to prior art like this, and can directly school bag be walked in tow by pull rod device, alleviating the suffered load of student's health, thereby can avoid the student because of the scoliosis that uses single shoulder or both shoulders school bag to be brought, the generation that contains chest, hunchback, nest shoulder or the like phenomenon; Again owing to will adopt flexible connection between school bag body and the pull rod device, so just can easily the school bag body be separated with pull rod device, thereby be convenient to this school bag body be put into the drawer of desk or use, that is to say the collection of being convenient to the school bag body or when not needing pull rod device, use by existing method; Also owing to adopted telescopic pull rod device, the student who just makes this school bag can be fit to differing heights so on the one hand uses simultaneously, and the volume of this pull rod device in the time of can reducing to collect on the other hand is convenient to the collection of this pull rod device.
The purpose of this utility model further also can be achieved by the following scheme
The form of the articulating device between school bag body and the pull rod device has a lot, below is two kinds of forms that the inventor provides:
Described articulating device is a kind of box and pin, described pin thread or be arranged on the pull rod device or be arranged on the school bag body, and box then correspondence is arranged on school bag body or the pull rod device.
Described articulating device is a kind of buckle, described snap seats or be arranged on the pull rod device or be arranged on the school bag body, and buckle head then correspondence is arranged on school bag body or the pull rod device.
Certainly except the articulating device that adopts above-mentioned two kinds of forms, also can directly on the school bag body, band be set, then the school bag body be tied up on pull rod device with band.
The purpose of this utility model further also can be achieved by the following scheme again
Described pull rod device is a kind of two-tube pull rod device, it comprises that one has the handle of button, and the two parallel traction pieces that are positioned at the handle two ends and link to each other with button, two traction pieces are set with in corresponding in the pipe, interior pipe is installed in the lower end of handle, be provided with a blocking device in the lower end of interior pipe, the lower end of traction piece is connected with blocking device, also is set with the outer tube that can supply interior pipe to slide within it in the outside of interior pipe.
Certainly except the pull rod device of this form, the single tube pull rod device also is suitable in the utility model, and it is a kind of prior art, does not describe in detail herein.
Described blocking device comprises a housing that cooperates with the inwall of interior pipe, there is a hole upper surface of housing, the top of housing inner chamber is provided with member of trumpet type, the small end of this member is protruding upward outside housing by the hole of housing upper end, and link to each other with traction piece, below the trumpet type member, be provided with spring, the spherical groove that a plurality of correspondences are arranged on the trumpet type member, be provided with a plurality of in the groove, the orbicule that matches with groove, on the housing of the corresponding side of orbicule and interior pipe, be provided with aperture, its aperture is less than the diameter of orbicule, on outer tube, be provided with plural number row's from top to bottom, the hole that columns is suitable with orbicule quantity, and the aperture is less than the diameter of orbicule.
Adopt the blocking device of this form, when traction piece presses down the housing of blocking device, housing then presses down coupled spring, make its distortion, thereby make orbicule be in free state, then the pull rod device retractable, when hand is decontroled button, then orbicule will match with immediate hole on the outer tube, thereby pin pull rod device, and it can't be moved freely.
Certainly except the blocking device that adopts this form, the blocking device of other form in the present technology is all applicable to this.
Also be provided with a carriage below pull rod device, this carriage is positioned at the lower end of pull rod device, is located by connecting with pull rod device.
Below pull rod device, set up a carriage, will make being connected between school bag and the pull rod device more steadily with firm.
Described being located by connecting comprise and flexibly connect and fixedly connected, and describedly is fixedly connected as welding, rivets etc.
Be connected to a kind of flexible connection between carriage and the pull rod device.
Will be between carriage and the pull rod device adopt to flexibly connect, just can adjust angle between pull rod device and the carriage,, also be convenient to pull rod device and carriage and carry out stored collapsed to reach the angle of user's use habit the most suitable according to user's use habit.
Described flexible connection is for being hinged with the plate with plurality of receptacles on pull rod device, carriage is provided with the bearing pin that matches and use with jack on the plate.
Certainly above-mentioned bearing pin is arranged on the pull rod device, also is fine and plate is articulated on the carriage.
Described carriage is a kind of along its vertical telescopic carriage.
Adopt telescopic support, just can itself and school bag body more be adapted to according to the length of how much adjusting carriage of the content that school bag held in good time.
Described telescopic carriage is a kind of carriage of shaped as frame, and it is by being sleeved on together, and the internal and external casing that interior pipe can slide in outer tube forms, and outer tube is installed on the lateral bracket body, is provided with a blocking device at interior pipe by the nearer end of pull rod device.
Blocking device in this is a kind of blocking device of routine.
Certainly except the scalable carriage that adopts this form, consider that carriage only plays support, therefore used telescoping bracket also can only adopt inside and outside suit, and interior pipe can slide in outer tube, gets final product after interior pipe is adjusted to the desired position.
The minimum point that transports out of the lateral bracket body of pull rod device is in same horizontal plane with the minimum point that is fixed in the roller of pull rod device lower end.
So just can make this hand drag random the parking of formula school bag, and can not topple over.
In sum, the utility model has following advantage compared to existing technology:
Be connected in common school bag body on the pull rod device with roller by articulating device, the student just need not to carry the school bag walking like that to prior art like this, and can directly school bag be walked in tow by pull rod device, thereby alleviate the suffered load of student's health, thereby can avoid because of the scoliosis that uses single shoulder or both shoulders school bag to be brought, the generation that contains chest, hunchback, nest shoulder or the like phenomenon; Again owing to will adopt flexible connection between school bag body and the pull rod device, so just can easily the school bag body be separated with pull rod device, thereby be convenient to this school bag body be put into the drawer of desk or use or the like, that is to say the collection of being convenient to the school bag body or when not needing pull rod device, use by existing method; Also owing to adopted telescopic pull rod device, the student who just makes this school bag can be fit to differing heights so on the one hand uses simultaneously, and the volume of this pull rod device in the time of can reducing to collect on the other hand is convenient to the collection of this pull rod device; Because the utility model also is provided with carriage in the lower end of pull rod device, and it is adopted flexible connection between the two, so just can adjust angle between pull rod device and the carriage, to reach the angle of user's use habit the most suitable according to user's use habit; Because the utility model has also adopted telescopic carriage, so just can itself and school bag body more be adapted to again according to the length of how much adjusting carriage of the content that school bag held in good time.
Description of drawings
Fig. 1 is the structural representation of the utility model most preferred embodiment.
The structure enlarged diagram of Fig. 2 institute pull rod device.
Fig. 3 is the A place enlarged drawing of Fig. 2.
Hole 2 rollers, 3 school bag bodies, 4 articulating devices, 41 buckle head, 42 snap seats, 5 telescopic carriage 6 plates 7 bearing pins on orbicule 15 outer tubes 151 outer tubes in housing 144 blocking devices in spring 143 blocking devices in label declaration 1 pull rod device 11 buttons 12 handles 13 in member 142 blocking devices of pipe 131 traction pieces 14 blocking devices 141 trumpet types
The specific embodiment
Below in conjunction with embodiment the utility model is described in more detail.
Most preferred embodiment:
A kind of hand drags the formula school bag, comprises telescopic pull rod device 1, roller 2, school bag body 3.School bag body 3 is connected on the pull rod device 1 by articulating device 4, and its bottom support is on telescopic carriage 5.Telescopic pull rod device 1 comprises that one has the handle 12 of button 11, and the two parallel traction pieces 131 that are positioned at handle 12 two ends and link to each other with button 11, two traction pieces 131 are set with manages in 13 in corresponding, be provided with a blocking device 14 in the lower end of traction piece 131, blocking device 14 comprises that one is affixed on the housing 143 of inner tube wall, there is a duck eye upper end of housing 143, top in the housing 143 is provided with hard firmware 141 of trumpet type, microcephaly's one end of hard firmware 141 is by outside the duck eye housing protruding upward of housing 143 upper ends, and leads casting die 131 and links to each other.Below hard firmware 141, be provided with spring 142, the dome-type groove that 2 correspondences are arranged on hard firmware 141, be provided with orbicule 144 2, that show consideration for mutually with groove in the groove, housing 143 and interior pipe 13 by arbitrary orbicule one side all dig a corresponding aperture, and the aperture is less than the diameter of orbicule 144.On outer tube 15, be provided with 6 holes row, that columns is suitable with orbicule 144 quantity from top to bottom, and the aperture is less than the diameter of orbicule 144.The hole diameter of housing 143, interior pipe 13, outer tube 15 is suitable substantially, and each aperture moves on same straight line when telescopic lever device 1.Described articulating device 4 is a kind of buckle-type jockey, and buckle head 41 wherein is arranged on the outer tube 15 of pull bar, and snap seats 42 then is arranged on the school bag body 3.Telescopic carriage 5 is a kind of scalable carriage of shaped as frame, and the structure of this scalable carriage 5 is identical with the structure of scalable pull rod device 1.Also be symmetrically arranged with two plates 6 with jack below described scalable pull rod device 1, vertical pallet body of scalable carriage 5 is provided with the bearing pin 7 that matches and use with plate on the scalable pull bar outer tube 15.
When the student when using this school bag, can adjust required drawbar height by scalable pull rod device 1 according to the height of himself, size according to school bag body 3, adjust the length longitudinally of required carriage 5 by telescopic carriage 5, also can adjust angle between pull rod device 1 and the carriage 5 by plate 6 and bearing pin 7 according to the use habit of oneself, in the time need not walking, then can pass through buckle, school bag body 3 is taken collection, also can fold telescopic pull rod device 1 and telescopic carriage 5, make whole pull rod device 1 and carriage 5 reach minimum collection volume.
It is same as the prior art that present embodiment is not stated part.

Claims (11)

1. a hand drags the formula school bag, comprise school bag body (3), it is characterized in that described school bag also comprises a telescopic pull rod device (1), and the roller (2) that is arranged at pull rod device (1) below, school bag body (3) is connected on this pull rod device (1) by articulating device (4).
2. hand according to claim 1 drags the formula school bag, it is characterized in that: described articulating device (4) is a kind of box and pin, described pin thread or be arranged at pull rod device (1) and go up or be arranged on the school bag body (3), box then correspondence is arranged on school bag body (3) or the pull rod device (1).
3. hand according to claim 1 drags the formula school bag, it is characterized in that: described articulating device is a kind of buckle, described snap seats (42) or be arranged at pull rod device (1) and go up or be arranged on the school bag body (3), buckle head (41) then correspondence is arranged on school bag body (3) or the pull rod device (1).
4. drag the formula school bag according to claim 2 or 3 described hands, it is characterized in that: described pull rod device (1) is a kind of two-tube pull rod device, it comprises that one has the handle (12) of button (11), and the two parallel traction pieces (131) that are positioned at handle (12) two ends and link to each other with button (11), two traction pieces (131) are set with manages in (13) in corresponding, interior pipe (13) is installed in the lower end of handle, be provided with a blocking device (14) in the lower end of interior pipe (13), the lower end of traction piece is connected with blocking device (14), also is set with the outer tube (15) that can supply interior pipe (13) to slide within it in the outside of interior pipe (13).
5. hand according to claim 4 drags the formula school bag, it is characterized in that: described blocking device (14) comprises a housing (143) that cooperates with interior pipe (13) inwall, there is a hole upper surface of housing (143), the top of housing (143) inner chamber is provided with member (141) of trumpet type, the small end of this member (141) is protruding upward outside housing (143) by the hole of housing (143) upper end, and link to each other with traction piece (131), be provided with spring (142) in the below of trumpet type member (141), the spherical groove that a plurality of correspondences are arranged on trumpet type member (141), be provided with a plurality of in the groove, the orbicule that matches with groove (144), on the housing (143) of the corresponding side of orbicule (144) and interior pipe (13), be provided with aperture, its aperture is less than the diameter of orbicule (144), on outer tube (15), be provided with plural number row's from top to bottom, the hole (151) that columns is suitable with orbicule quantity, and the aperture is less than the diameter of orbicule (144).
6. hand according to claim 5 drags the formula school bag, it is characterized in that: also be provided with a carriage (5) in the below of pull rod device (1), this carriage (5) is positioned at the lower end of pull rod device (1), is located by connecting with pull rod device (1).
7. hand according to claim 6 drags the formula school bag, it is characterized in that: be connected to a kind of flexible connection between carriage (5) and the pull rod device (1).
8. hand according to claim 7 drags the formula school bag, it is characterized in that: the flexible connection between carriage (5) and the pull rod device (1) is for being hinged with the plate (6) with plurality of receptacles on pull rod device (1), and carriage (5) is provided with the bearing pin (7) of the use that matches with jack on the plate (6).
9. hand according to claim 8 drags the formula school bag, it is characterized in that: described carriage (5) is for a kind of along its vertical telescopic carriage (5).
10. hand according to claim 9 drags the formula school bag, it is characterized in that: described telescopic carriage (5) is a kind of carriage of shaped as frame (5), it is by being sleeved on together, and the internal and external casing that interior pipe can slide in outer tube is formed, outer tube is installed on the lateral bracket body, is provided with a blocking device (14) at interior pipe by the nearer end of pull rod device.
11. hand according to claim 10 drags the formula school bag, it is characterized in that: the minimum point that transports out of the lateral bracket body of pull rod device (1) is in same horizontal plane with the minimum point that is fixed in the roller (2) of pull rod device (1) lower end.
CN 200420054985 2004-12-17 2004-12-17 Hand pulling type schoolbag Expired - Fee Related CN2749344Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420054985 CN2749344Y (en) 2004-12-17 2004-12-17 Hand pulling type schoolbag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420054985 CN2749344Y (en) 2004-12-17 2004-12-17 Hand pulling type schoolbag

Publications (1)

Publication Number Publication Date
CN2749344Y true CN2749344Y (en) 2006-01-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420054985 Expired - Fee Related CN2749344Y (en) 2004-12-17 2004-12-17 Hand pulling type schoolbag

Country Status (1)

Country Link
CN (1) CN2749344Y (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8734324B2 (en) 2008-07-03 2014-05-27 Jbm Holding Apparatus for applying traction to a penis
CN105145513A (en) * 2015-08-07 2015-12-16 湖北风行钓具有限公司 Portable fishing gear bag integral device
CN105253426A (en) * 2015-10-23 2016-01-20 杨菊花 Plastic-wood pallet and information recognizing method thereof
CN107853846A (en) * 2017-05-11 2018-03-30 高月飞 A kind of pull bar knapsack

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8734324B2 (en) 2008-07-03 2014-05-27 Jbm Holding Apparatus for applying traction to a penis
CN105145513A (en) * 2015-08-07 2015-12-16 湖北风行钓具有限公司 Portable fishing gear bag integral device
CN105253426A (en) * 2015-10-23 2016-01-20 杨菊花 Plastic-wood pallet and information recognizing method thereof
CN107853846A (en) * 2017-05-11 2018-03-30 高月飞 A kind of pull bar knapsack

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20060104

Termination date: 20101217