CN201619592U - Fastening mechanism and handcart - Google Patents
Fastening mechanism and handcart Download PDFInfo
- Publication number
- CN201619592U CN201619592U CN2010203002504U CN201020300250U CN201619592U CN 201619592 U CN201619592 U CN 201619592U CN 2010203002504 U CN2010203002504 U CN 2010203002504U CN 201020300250 U CN201020300250 U CN 201020300250U CN 201619592 U CN201619592 U CN 201619592U
- Authority
- CN
- China
- Prior art keywords
- bullet pin
- hole
- interlocking
- stay cord
- bullet
- 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 - Lifetime
Links
Images
Abstract
The utility model discloses a fastening mechanism and a handcart. The fastening mechanism is connected with a supporting frame and a locking sheet; the supporting frame comprises two supporting rods and a rail; the supporting rods are provided with through holes; and the locking sheet is provided with locking hole. The fastening mechanism comprises an elastic pin, an elastomer, a draw string and a lock catch. The elastic pin is glidingly connected with the through hole and moves between the locking position and unlocking position; the locking position is that the end of the elastic pin runs through the through hole and is inserted into the locking hole, and the unlocking position is that the end of the elastic pin is separated from the locking hole. The elastomer is connected with the elastic pin and the supporting rod. The draw string is connected with the tail end of the elastic pin. A fastener rotatably connected with the rail rotates between the first position and the second position and is connected to the draw string; the first position is corresponding to the unlocking position of the elastic pin; and the second position is corresponding to the locking position of the elastic pin. The utility model uses relative rotation between the fastener and the rail to drive the draw string to move; and the movement of the draw string applies withdrawal force of the elastic pin so as to unlock and lock the fastening mechanism.
Description
Technical field
The utility model relates to a kind of snap device and hand barrow.
Background technology
Existing snap device, mostly employing is pulled out pull-type.Describedly pull out pull-type snap device, it comprises a pull bar, an elastic body and a draw ring.Described elastic body contact pull bar makes the pull bar head end insert the interlocking hole, so that snap device is in the interlocking state.Described draw ring cylinder lever connecting rod tail end can pull out and pulls out pull bar by socketing draw ring, so that buckle structure is in the pine oil state.Because during pine oil, customer requirement is connected on draw ring with finger hook, the application of force is extracted again, therefore uses inconvenience, and the application of force is big.
The utility model content
The utility model provides a kind of snap device and hand barrow, and it has overcome the deficiency that the existing use of snap device is inconvenient in the background technology, the application of force is big.
One of technical scheme that is adopted that the utility model solves its technical matters is:
A kind of snap device, it is used for buckle and connects bracing frame and interlocking sheet, and support frame as described above comprises that two strut bars and are installed in the cross bar between two strut bars, offer through hole on the described strut bar, offer the interlocking hole on the described interlocking sheet, described snap device, it comprises:
One bullet pin, it is slidingly connected at the through hole of strut bar and moves between snapped-in position and release position, described snapped-in position is the interlocking hole that the head end of bullet pin passes the through hole of strut bar and inserts the interlocking sheet, and described release position is the interlocking hole of the head end separating lock contact pin of bullet pin;
One elastic body, it connects bullet pin and strut bar and produces one makes the bullet pin remain on the elastic force of snapped-in position;
One stay cord, it is connected the tail end of bullet pin; And
One snap close, it is rotatably connected on cross bar and rotates between the primary importance and the second place, and it connects stay cord, the release position of the corresponding bullet pin of described primary importance, the snapped-in position of the corresponding bullet pin of the described second place.
Among one preferred embodiment: it comprises two bullet pins, and described two bullet pin symmetries are connected two strut bars, all are provided with described elastic body between described bullet pin and the strut bar; Two ends of described stay cord are connected to the tail end of two bullet pins.
Among one preferred embodiment: be arranged with rope sling outside the described stay cord, described snap close connects rope sling.
Among one preferred embodiment: described snap close comprises an articulated section, a junction and a hand grip portion, and described articulated section is connected cross bar, and described connecting portion and hand grip portion lay respectively at articulated section two sides, and described connecting portion connects stay cord.
Among one preferred embodiment: also comprise fixed plate, described fixed plate and strut bar are affixed; Convex with a convex shoulder on the described bullet pin, described convex shoulder is between strut bar and fixed plate, and described elastic body contact is between fixed plate and convex shoulder; The tail end of described bullet pin slides and passes fixed plate and connect stay cord.
The utility model solve its technical matters the technical scheme that is adopted two be:
A kind of hand barrow, it comprises:
One car body bracing frame, it comprises that two strut bars and are installed in the cross bar between two strut bars, offer through hole on the described strut bar;
Two are connected the rear wheel under the bracing frame;
Two are connected the front vehicle wheel under the bracing frame;
Two handrail tubes, their lower ends all are pivoted with an interlocking sheet, and described two interlocking sheets are slidingly connected at two strut bars respectively;
Two poles, their lower ends all are pivoted with a cliding seat, and described two cliding seats are slidingly connected at two strut bars respectively, and their upper ends are articulated in two handrail tubes respectively, and described two poles all are connected with another interlocking sheet; And
One snap device, it connects interlocking sheet and bracing frame;
All offer the interlocking hole on the described interlocking sheet;
Described snap device, it comprises:
One bullet pin, it is slidingly connected at the through hole of strut bar and moves between snapped-in position and release position, described snapped-in position is the interlocking hole that the head end of bullet pin passes the through hole of strut bar and inserts the interlocking sheet, and described release position is the interlocking hole of the head end separating lock contact pin of bullet pin;
One elastic body, it connects bullet pin and strut bar and produces one makes the bullet pin remain on the elastic force of snapped-in position;
One stay cord, it is connected the tail end of bullet pin; And
One snap close, it is rotatably connected on cross bar and rotates between the primary importance and the second place, and it connects stay cord, the release position of the corresponding bullet pin of described primary importance, the snapped-in position of the corresponding bullet pin of the described second place.
Among one preferred embodiment: described snap device, it comprises two bullet pins, described two bullet pin symmetries are connected two strut bars, all are provided with described elastic body between described bullet pin and the strut bar; Two ends of described stay cord are connected to the tail end of two bullet pins.
Among one preferred embodiment: be arranged with rope sling outside the described stay cord, described snap close connects rope sling.
Among one preferred embodiment: described snap close comprises an articulated section, a junction and a hand grip portion, and described articulated section is connected cross bar, and described connecting portion and hand grip portion lay respectively at articulated section two sides, and described connecting portion connects stay cord.
Among one preferred embodiment: the downward bending of described strut bar front end, described front-wheel is a cardan wheel, described cardan wheel is articulated in the strut bar end.
The technical program is compared with background technology, utilize relatively rotating between snap close and the cross bar to drive the stay cord activity, apply the withdrawal force of bullet pin by the stay cord activity, to realize snap device pine oil and interlocking, it has following advantage: 1, pine oil is convenient, and is easy and simple to handle, fast, firmly economize, simplicity of design is ingenious; 2, two bullet pins of pine oil simultaneously are to realize two bullet pins pine oil simultaneously, interlocking simultaneously; 3, the bullet pin can be socketed the inside that end is arranged on bracing frame, appearance looks elegant is convenient to protect snap device.Be arranged with rope sling outside the stay cord, utilize rope sling protection stay cord, be convenient to snap close is converted into the activity of stay cord.The downward bending of strut bar front end, realized and cardan wheel between direct connection, reduced technology, simple and practical.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
One of schematic perspective view of Fig. 1 hand barrow of the present utility model.
Two of the schematic perspective view of Fig. 2 hand barrow of the present utility model.
Fig. 3 is the A place enlarged diagram of Fig. 1.
Fig. 4 is the B place enlarged diagram of Fig. 2.
Fig. 5 is the C place enlarged diagram of Fig. 1.
The specific embodiment
Please refer to 1 to Fig. 4, a kind of hand barrow, it comprises a car body bracing frame 100, two rear wheels 200, two front vehicle wheels 300, two handrail tubes 400, two poles 500 and a snap device 600.
Described car body bracing frame 100, it comprises that two strut bars 110 and are installed in the cross bar 120 between two strut bars 110.Offer through hole 111 on the described strut bar 110, described strut bar 110 lateral surfaces are provided with a slide rail 112, and described strut bar 120 medial surfaces are installed with a fixed plate 113 by rivet.Please refer to Fig. 5, the downward arc fold bending of the direct rounding off of the front end of described strut bar 110 forms bending end 114.As required, on strut bar 110, be installed with vertical barrier plate 700.
Please refer to 1 to Fig. 4, described rear wheel 200 is connected the rear end of two strut bars 110.Described front vehicle wheel 300 is a cardan wheel, and described cardan wheel is articulated in the bending end 114 of strut bar 110, is connected with a boss 115 between described bending end 114 and the cardan wheel.
Described two handrail tubes 400 lower ends all are pivoted with one first interlocking sheet 410, and described 2 first interlocking sheets 410 are slidingly connected at the slide rail 112 of two strut bars 110 respectively.The described first interlocking sheet 410 all offers the interlocking hole.As required, be installed with a fixed link 420 between described two handrail tubes 400.
Described two poles 500 lower ends all are pivoted with a cliding seat 520, and described two cliding seats 520 are slidingly connected at the slide rail 112 of two strut bars 110 respectively, and the upper end is articulated in two handrail tubes 400 respectively.Described two poles 500 all are connected with one second interlocking sheet 510, and the described second interlocking sheet 510 all offers the interlocking hole.
The through hole 111 of the position of the first above-mentioned interlocking sheet 410, the position of the second interlocking sheet 510 and strut bar 110 is all corresponding, make when hand barrow is in first state, the interlocking hole alignment through hole 111 of the described first interlocking sheet 410, make when hand barrow is in second state interlocking hole alignment through hole 111 of the described second interlocking sheet 510.
Described snap device 600 comprises two bullet pins 610, two elastic bodys 620, a stay cord 630 and a snap close 640.Described bullet pin 610 has the convex shoulder 611 that a head end, a tail end, are convexly equipped with out bullet pin 610, and described head end is arranged to the spherical crown shape.Described two bullet pins 610 connect the through hole 111 of two strut bars 110 respectively.The following description of connection between described bullet pin 610 and the strut bar 110: described bullet pin 610 slides and passes through hole 111, and moves between snapped-in position and release position; The convex shoulder 611 of described bullet pin 610 is between strut bar 110 and fixed plate 113; Described elastic body 620 contacts make described bullet pin 610 be subjected to an outside elastic force between fixed plate 113 and convex shoulder 611 and socket bullet pin 610, and this elastic force makes the head end of bullet pin 610 pass through hole 111 and remains on snapped-in position; The tail end of described bullet pin 610 slides and passes fixed plate 113.Two ends of described stay cord 630 are connected to the tail end of two bullet pins 610, and among the present embodiment, described stay cord 630 adopts steel rope.Also be arranged with a rope sling 631 outside the described stay cord 630.Described snap close 640 comprises an articulated section, a junction and a hand grip portion, and described articulated section is connected cross bar 120, and described connecting portion and hand grip portion lay respectively at articulated section two sides, and described connecting portion connects the rope sling 631 of stay cord.Among the present embodiment, described snap close 640 comprises a snap close loam cake 641 and a snap close lower cover 642, and described snap close loam cake 641 and the 642 fixing butt joints of snap close lower cover also can be connected on cross bar 120 by turning set, are socketed in the rope sling 631 of stay cord 630.
Following mask body introduction, the working process of snap device 600:
When rotary plastic snap close 640, make snap close 640 rotate primary importance from the second place, stay cord 630 is pulled up, and bullet pin 610 is hauled from the interlocking hole of the first interlocking sheet 410 by stay cord 630 and withdraws from, bullet pin 610 moves to release position by snapped-in position, and locking is opened.
Stow-away arm rest pipe 400 and bracing frame 100, be fixed on the second interlocking sheet 510 on the handrail tube 400 position, interlocking hole can with 610 fastenings of bullet pin, in like manner the rotary plastic snap close 640, stay cord is pulled up, socket cap bullet pin is hauled from the interlocking hole of the second interlocking sheet by stay cord and withdraws from, and locking is opened.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented according to this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (10)
1. snap device, it is used for buckle and connects bracing frame and interlocking sheet, and support frame as described above comprises that two strut bars and are installed in the cross bar between two strut bars, offer through hole on the described strut bar, offer the interlocking hole on the described interlocking sheet, it is characterized in that: described snap device, it comprises:
One bullet pin, it is slidingly connected at the through hole of strut bar and moves between snapped-in position and release position, described snapped-in position is the interlocking hole that the head end of bullet pin passes the through hole of strut bar and inserts the interlocking sheet, and described release position is the interlocking hole of the head end separating lock contact pin of bullet pin;
One elastic body, it connects bullet pin and strut bar and produces one makes the bullet pin remain on the elastic force of snapped-in position;
One stay cord, it is connected the tail end of bullet pin; And
One snap close, it is rotatably connected on cross bar and rotates between the primary importance and the second place, and it connects stay cord, the release position of the corresponding bullet pin of described primary importance, the snapped-in position of the corresponding bullet pin of the described second place.
2. a kind of snap device according to claim 1 is characterized in that: it comprises two bullet pins, and described two bullet pin symmetries are connected two strut bars, all are provided with described elastic body between described bullet pin and the strut bar; Two ends of described stay cord are connected to the tail end of two bullet pins.
3. a kind of snap device according to claim 2 is characterized in that: be arranged with rope sling outside the described stay cord, described snap close connects rope sling.
4. a kind of snap device according to claim 2, it is characterized in that: described snap close comprises an articulated section, a junction and a hand grip portion, described articulated section is connected cross bar, and described connecting portion and hand grip portion lay respectively at articulated section two sides, and described connecting portion connects stay cord.
5. according to claim 1 or 2 or 3 or 4 described a kind of snap devices, it is characterized in that: also comprise fixed plate, described fixed plate and strut bar are affixed; Convex with a convex shoulder on the described bullet pin, described convex shoulder is between strut bar and fixed plate, and described elastic body contact is between fixed plate and convex shoulder; The tail end of described bullet pin slides and passes fixed plate and connect stay cord.
6. hand barrow, it comprises:
One car body bracing frame, it comprises that two strut bars and are installed in the cross bar between two strut bars, offer through hole on the described strut bar;
Two are connected the rear wheel under the bracing frame;
Two are connected the front vehicle wheel under the bracing frame;
Two handrail tubes, their lower ends all are pivoted with an interlocking sheet, and described two interlocking sheets are slidingly connected at two strut bars respectively;
Two poles, their lower ends all are pivoted with a cliding seat, and described two cliding seats are slidingly connected at two strut bars respectively, and their upper ends are articulated in two handrail tubes respectively, and described two poles all are connected with another interlocking sheet; And
One snap device, it connects interlocking sheet and bracing frame;
All offer the interlocking hole on the described interlocking sheet;
It is characterized in that: described snap device, it comprises:
One bullet pin, it is slidingly connected at the through hole of strut bar and moves between snapped-in position and release position, described snapped-in position is the interlocking hole that the head end of bullet pin passes the through hole of strut bar and inserts the interlocking sheet, and described release position is the interlocking hole of the head end separating lock contact pin of bullet pin;
One elastic body, it connects bullet pin and strut bar and produces one makes the bullet pin remain on the elastic force of snapped-in position;
One stay cord, it is connected the tail end of bullet pin; And
One snap close, it is rotatably connected on cross bar and rotates between the primary importance and the second place, and it connects stay cord, the release position of the corresponding bullet pin of described primary importance, the snapped-in position of the corresponding bullet pin of the described second place.
7. a kind of hand barrow according to claim 6 is characterized in that: described snap device, and it comprises two bullet pins, described two bullet pin symmetries are connected two strut bars, all are provided with described elastic body between described bullet pin and the strut bar; Two ends of described stay cord are connected to the tail end of two bullet pins.
8. a kind of hand barrow according to claim 7 is characterized in that: be arranged with rope sling outside the described stay cord, described snap close connects rope sling.
9. a kind of hand barrow according to claim 7, it is characterized in that: described snap close comprises an articulated section, a junction and a hand grip portion, described articulated section is connected cross bar, and described connecting portion and hand grip portion lay respectively at articulated section two sides, and described connecting portion connects stay cord.
10. a kind of hand barrow according to claim 6 is characterized in that: the downward bending of described strut bar front end, and described front-wheel is a cardan wheel, described cardan wheel is articulated in the strut bar end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203002504U CN201619592U (en) | 2010-01-07 | 2010-01-07 | Fastening mechanism and handcart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010203002504U CN201619592U (en) | 2010-01-07 | 2010-01-07 | Fastening mechanism and handcart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201619592U true CN201619592U (en) | 2010-11-03 |
Family
ID=43023049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010203002504U Expired - Lifetime CN201619592U (en) | 2010-01-07 | 2010-01-07 | Fastening mechanism and handcart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201619592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015051721A1 (en) * | 2013-10-09 | 2015-04-16 | 青岛中瑞物流器械有限公司 | Logistics vehicle and bottom support frame |
-
2010
- 2010-01-07 CN CN2010203002504U patent/CN201619592U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015051721A1 (en) * | 2013-10-09 | 2015-04-16 | 青岛中瑞物流器械有限公司 | Logistics vehicle and bottom support frame |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204895534U (en) | Return vehicle to garage and knock off improvement structure of subassembly of infant's car interlock | |
| CN205615550U (en) | Shopping cart of can folding up | |
| CN202123949U (en) | Telescopic support device | |
| CN105416110A (en) | Turnover type back row seat | |
| CN203032314U (en) | Trailer automatic dragging device | |
| CN102259811A (en) | Guardrail for aerial working platform | |
| CN210011782U (en) | Quick folding structure of baby carriage | |
| CN202830568U (en) | Folding locking structure of folding clothes hanger | |
| CN201272460Y (en) | Foldable bicycle handle | |
| CN203780582U (en) | Foldable baby carriage | |
| CN101633383A (en) | Folding bicycle handles | |
| CN201619592U (en) | Fastening mechanism and handcart | |
| CN106043400A (en) | Child cart structure capable of being folded and quickly assembled | |
| CN2905520Y (en) | Assembled type automobile draw bar | |
| CN201457448U (en) | Combined type infant handcart convenient for back and forth continuous connection | |
| CN210455077U (en) | Folding and fixing mechanism of scooter | |
| CN206171534U (en) | Novel infant's frame | |
| CN203318478U (en) | Handle system of baby stroller | |
| CN202827931U (en) | Folding bicycle | |
| CN204236523U (en) | Can collapsible case and bag, the luggage mobile device of stair activity step | |
| CN201761514U (en) | Baby carriage capable of being folded bidirectionally | |
| CN201076718Y (en) | Golf cart | |
| CN203780577U (en) | Locking mechanism of foldable baby carriage | |
| CN201760049U (en) | Folding type golf cart | |
| CN204184421U (en) | A kind of Novel double-person seat perambulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |