CN205220765U - Locking -type handcart is separated to push rod - Google Patents
Locking -type handcart is separated to push rod Download PDFInfo
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- CN205220765U CN205220765U CN201520908564.5U CN201520908564U CN205220765U CN 205220765 U CN205220765 U CN 205220765U CN 201520908564 U CN201520908564 U CN 201520908564U CN 205220765 U CN205220765 U CN 205220765U
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- push rod
- pedestal
- interior pipe
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- outer tube
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Abstract
The utility model discloses a locking -type handcart is separated to push rod, including an automobile body and the at least telescopic push rod of setting on the automobile body, be provided with at least one folding joint on the automobile body, folding articular locking and unblock be by the flexible motion control of push rod, but when push rod retraction unblock when packing up the state folding joint, the folding receipts in the folding joint of automobile body accessible this moment is closed. The utility model discloses can make things convenient for, quick fold to receive close and expand the operation, very big made things convenient for the use.
Description
Technical field
The utility model relates to a kind of hand barrow.
Background technology
Hand barrow is often gone on a journey for infant, conveniently carry, hand barrow generally employ folding structure, manual unlocking folding joint is needed when folding, in addition, the push rod major part of existing hand barrow have employed the structure of Telescopic shaft type, also needs other manual unlocking expansion link when folding hand barrow, just need when folding pushchair so repeatedly to unlock, bring certain inconvenience to use.
Utility model content
In order to solve the problem, the purpose of this utility model be to provide a kind of can fast folding fold, push rod unlocking type hand barrow easy to use.
The utility model is the technical scheme that its technical matters of solution adopts:
A kind of push rod unlocking type hand barrow, comprise a car body and be arranged at least one telescopic push rod on car body, car body is provided with at least one folding joint, the locking and unlocking of described folding joint is controlled by the expanding-contracting action of push rod, can unlock described folding joint when push rod is contracted to collapsed state, now car body folds by folding joint is folding.
Preferably, described folding joint is comprised one first pedestal and is hubbed on one second pedestal on the first pedestal by the drive-connecting shaft of a transverse direction, the first described pedestal laterally slides and is provided with positioning piece, this locations is provided with some positioning teeths around described drive-connecting shaft, first pedestal is provided with for limiting locations relative to the location structure that rotate of the first pedestal around described drive-connecting shaft, second pedestal is provided with the some positioning grooves matched with described positioning teeth, the front portion of positioning teeth is plugged in positioning groove to limit the first pedestal and the second pedestal relatively rotating around described drive-connecting shaft, move after the expanding-contracting action of described push rod can promote locations and make positioning teeth depart from positioning groove to unlock folding joint.
Preferably, described positioning teeth is uniformly distributed on the positioning element around drive-connecting shaft circumference.
Preferably, described location structure is the some chutes matched with described positioning teeth be opened on the first pedestal.
Preferably, described locations is provided with the pulling face tilted at angle with the end face of locations, the sidepiece of the first pedestal slides and is provided with a pushing block, and the front end of this pushing block is resisted against on pulling face; Described pushing block can be promoted and forward slip by the contractive action of push rod, and when push rod is contracted to collapsed state, pushing block moves to after promoting locations by pulling face and makes positioning teeth depart from positioning groove to unlock folding joint.
Preferably, described push rod comprises pipe in an outer tube and, and described outer tube is arranged on car body, and interior pipe slides and is plugged in the inner chamber of outer tube; The rear end of described pushing block is arranged in the inner chamber of outer tube, and can lean with interior pipe relative to outer tube slip forward and be promoted to move forward to unblock folding joint by interior pipe along with interior pipe.
Preferably, be provided with a retracing spring between described locations and the first pedestal, described retracing spring resets for promoting locations reach.
Preferably, described car body comprises some vehicle frames, and each vehicle frame and push rod connect into a connecting rod mechanism and can fold by synchronous folding.
Preferably, described push rod is provided with one for push-rod lock being fixed on a lockout mechanism of extended state and being used for opening and closing an actuating device of this lockout mechanism.
Preferably, described push rod comprises the outer tube be arranged on car body and is plugged in pipe in one in the inner chamber of outer tube with sliding, described lockout mechanism comprise a locating part in the inner chamber radially sliding and be arranged on interior pipe and slide axially be arranged on interior pipe inner chamber in a sliding part, described sliding part is provided with the guiding face tilted that to have angle with the center shaft of interior pipe, locating part is provided with the guiding block matched with guiding face, the sidewall of interior pipe offers one first opening that can pass for the front portion of locating part, the sidewall of outer tube offers can with one second opening of the first register, when sliding part slides axially along interior pipe, guiding face can promote guiding block and moves to and make the front portion of locating part through the first opening plugging in the second opening to be fixed on outer tube by interior pipe.
The beneficial effects of the utility model are: in the utility model, the locking and unlocking of folding joint is controlled by the expanding-contracting action of push rod, folding joint is unlocked when push rod usually can be made to pack up, push rod then locks folding joint when being stretched to extended state, like this, in use just only need first car body to be launched, after drawing push rod can complete the expansion of this hand barrow, only need pack up push rod when needing to carry out folding and can unlock folding joint, be foldable body afterwards, the utility model can carrying out easily and fast be folding folds and launch operation, greatly facilitates use.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is integral structure figure of the present utility model;
Fig. 2 is the decomposition chart of push rod in the utility model;
Fig. 3 is the partial enlarged drawing of part A in Fig. 2;
Fig. 4 is the partial enlarged drawing of part B in Fig. 2;
Fig. 5 is the decomposition chart of lockout mechanism in the utility model;
Fig. 6 be in the utility model push rod stretch out after structural representation;
Fig. 7 is the partial enlarged drawing of C part in Fig. 6;
Fig. 8 be in the utility model folding joint decompose and local section after structural representation;
Fig. 9 is the decomposition chart at another visual angle of folding joint in the utility model.
Detailed description of the invention
Referring to figs. 1 through Fig. 9, a kind of push rod unlocking type hand barrow, at least one telescopic push rod 20 comprising a car body 10 and be arranged on car body 10, car body 10 is provided with at least one folding joint 30, the locking and unlocking of folding joint 30 is controlled by the expanding-contracting action of push rod 20, can unlock folding joint 30 when push rod 20 is contracted to collapsed state, now car body 10 folds by folding joint 30 is folding.In the utility model, the locking and unlocking of folding joint 30 is controlled by the expanding-contracting action of push rod 20, folding joint 30 is unlocked when push rod 20 usually can be made to pack up, push rod 20 then locks folding joint 30 when being stretched to extended state, like this, in use just only need first car body 10 to be launched, after drawing push rod 20 can complete the expansion of this hand barrow, only need pack up push rod 20 when needing to carry out folding and can unlock folding joint 30, be foldable body 10 afterwards, the utility model can carrying out easily and fast be folding folds and launch operation, greatly facilitates use.
In the present embodiment, folding joint 30 is comprised one first pedestal 31 and is hubbed on one second pedestal 32 on the first pedestal 31 by the drive-connecting shaft 33 of a transverse direction, this first pedestal 31 and the second pedestal 32 are separately fixed on car body 10 and push rod 20, first pedestal 31 laterally slides and is provided with positioning piece 34, this locations 34 is provided with some positioning teeths 341 around drive-connecting shaft 33, first pedestal 31 is provided with for limiting locations 34 relative to the location structure that rotate of the first pedestal 31 around drive-connecting shaft 33, second pedestal 32 is provided with the some positioning grooves 321 matched with positioning teeth 341, the front portion of positioning teeth 341 is plugged in positioning groove 321 to limit the first pedestal 31 and the second pedestal 32 relatively rotating around drive-connecting shaft 33, move and make positioning teeth 341 depart from positioning groove 321 after the expanding-contracting action of push rod 20 can promote locations 34 and also unlock folding joint 30.This folding joint 30 is simple and reliable for structure, is convenient to produce and assembling.In addition, positioning teeth 341 can be made to be evenly distributed on locations 34 around drive-connecting shaft 33 circumference, like this, just flexibly push rod 20 can be fixed on arbitrary suitable angle, easy to use.Location structure in the present embodiment is the some chutes 311 matched with positioning teeth 341 be opened on the first pedestal 31, so just, make the structure of the first pedestal 31 and the second pedestal 32 similar, be convenient to production and processing, certainly, in practical application, this location structure also can be the loose key structure etc. between locations 34 and drive-connecting shaft 33.Certainly, folding joint 30 also can select other common structures such as ratchet structure etc., is not limited thereto.
Sidepiece locations 34 being provided with pulling face 342, first pedestal 31 tilted at angle with the end face of locations 34 slides and is provided with a pushing block 35, and the front end of this pushing block 35 is resisted against on pulling face 342; Pushing block 35 can be promoted and forward slip by the contractive action of push rod 20, when push rod 20 is contracted to collapsed state, pushing block 35 moves to after promoting locations 34 by pulling face 342 and makes positioning teeth 341 depart from positioning groove 321 to unlock folding joint 30, this is simple and reliable for structure, not easily break down, can the use safety of this hand barrow of effective guarantee, and be convenient to processing and assembling.Push rod 20 comprises pipe 22 in an outer tube 21 and, and outer tube 21 is arranged on car body 10, and interior pipe 22 slides and is plugged in the inner chamber of outer tube 21; The rear end of pushing block 35 is arranged in the inner chamber of outer tube 21, and can lean with interior pipe 22 along with the slip forward of the relative outer tube 21 of interior pipe 22 and be promoted to move forward to by interior pipe 22 and unlock folding joint 30, like this, when interior pipe 22 moves forward, its front end can promote pushing block 35 and to have moved forward unblock, after moving to locking folding joint 30 after interior pipe 22, when moving after continuing, pushing block 35 moves after also can not continuing with interior pipe 22 again, structure is simple, without the need to setting up connection structure in addition to connect interior pipe 22 and pushing block 35, convenient production and assembling.In practical application, the common structures such as drag-line also can be adopted to move after driving locations 34, be not limited thereto.
A retracing spring (not shown) is provided with between locations 34 and the first pedestal 31, this retracing spring resets for promoting locations 34 reach, thus automatically locking of folding joint 30 can be realized, can prevent folding joint 30 from unlocking voluntarily, ensure use safety.
Car body 10 comprises some vehicle frames, each vehicle frame and push rod 20 connect into a connecting rod mechanism and can fold by synchronous folding, the folding of this hand barrow can be simplified so further and launch operation, easy to use, connecting rod mechanism is widely used in hand barrow, separately be not described further at this, in practical application, suitable connecting rod mechanism can be selected flexibly as required.
After this hand barrow launches, need to be fixed push rod 20, prevent it from packing up voluntarily, therefore push rod 20 can be arranged one for push rod 20 being locked in a lockout mechanism of extended state and being used for opening and closing an actuating device of this lockout mechanism, in the present embodiment, lockout mechanism comprise the locating part 41 in the inner chamber radially sliding and be arranged on interior pipe 22 and slide axially be arranged on interior pipe 22 inner chamber in a sliding part 42, sliding part 42 is provided with the guiding face 421 tilted that to have angle with the center shaft of interior pipe 22, locating part 41 is provided with the guiding block 411 matched with guiding face 421, the sidewall of interior pipe 22 offers one first opening that can pass for the front portion of locating part 41, the sidewall of outer tube 21 offers can with one second opening of the first register, when sliding part 42 slides axially along interior pipe 22, guiding face 421 can promote guiding block 411 and moves to and make the front portion of locating part 41 through the first opening plugging in the second opening to be fixed on outer tube 21 by interior pipe 22, this lockout mechanism is simple and reliable for structure, be convenient to mass production and assembling, can effectively enhance productivity.Actuating device comprises briquetting 51 and a hauling rope 52, briquetting 51 radially slides and is arranged on interior pipe 22, interior pipe 22 offers first bar hole 221 parallel with interior pipe 22, briquetting 51 offers the second bar hole 511 tilted that to have angle with the first bar hole 221, one end of hauling rope 52 is fixed on sliding part 42, the other end is provided with a sliding shoe 53, the front portion of this sliding shoe 53 is arranged in the first bar hole 221, rear portion is plugged in the second bar hole 511, when the mutually internal pipe 22 of briquetting 51 moves radially, the second bar hole 511 can promote sliding shoe 53 and makes it slide along the first bar hole 221, owing to there being two folding joints 30 in the present embodiment, therefore two lockout mechanisms are needed, two the second bar holes 511 can be offered accordingly on briquetting 51, so just, control two lockout mechanisms by a briquetting 51 simultaneously, easy to use.
The foregoing is only preferred embodiments of the present utility model, as long as the technical scheme realizing the utility model object with basic same approach all belongs within protection domain of the present utility model.
Claims (10)
1. a push rod unlocking type hand barrow, it is characterized in that: comprise a car body (10) and be arranged at least one telescopic push rod (20) on car body (10), car body (10) is provided with at least one folding joint (30), the locking and unlocking of described folding joint (30) is controlled by the expanding-contracting action of push rod (20), can unlock described folding joint (30) when push rod (20) is contracted to collapsed state, now car body (10) folds by folding joint (30) is folding.
2. a kind of push rod unlocking type hand barrow according to claim 1, it is characterized in that: described folding joint (30) is comprised one first pedestal (31) and is hubbed on one second pedestal (32) on the first pedestal (31) by the drive-connecting shaft (33) of a transverse direction, upper laterally slip of described the first pedestal (31) is provided with positioning piece (34), this locations (34) is provided with some positioning teeths (341) around described drive-connecting shaft (33), first pedestal (31) is provided with for limiting locations (34) relative to the location structure that rotate of the first pedestal (31) around described drive-connecting shaft (33), second pedestal (32) is provided with the some positioning grooves (321) matched with described positioning teeth (341), the front portion of positioning teeth (341) is plugged in positioning groove (321) to limit the first pedestal (31) and the second pedestal (32) relatively rotating around described drive-connecting shaft (33), move after the expanding-contracting action of described push rod (20) can promote locations (34) and make positioning teeth (341) depart from positioning groove (321) to unlock folding joint (30).
3. a kind of push rod unlocking type hand barrow according to claim 2, is characterized in that: described location structure is for being opened in the some chutes (311) matched with described positioning teeth (341) on the first pedestal (31).
4. a kind of push rod unlocking type hand barrow according to claim 2, is characterized in that: described positioning teeth (341) is evenly distributed on locations (34) around described drive-connecting shaft (33) circumference.
5. a kind of push rod unlocking type hand barrow according to claim 2, it is characterized in that: described locations (34) is provided with the pulling face (342) tilted at angle with the end face of locations (34), the sidepiece of the first pedestal (31) slides and is provided with a pushing block (35), and the front end of this pushing block (35) is resisted against on pulling face (342); Described pushing block (35) can be promoted and forward slip by the contractive action of push rod (20), and when push rod (20) is contracted to collapsed state, pushing block (35) moves to after promoting locations (34) by pulling face (342) and makes positioning teeth (341) depart from positioning groove (321) to unlock folding joint (30).
6. a kind of push rod unlocking type hand barrow according to claim 5, it is characterized in that: described push rod (20) comprises pipe (22) in an outer tube (21) and, described outer tube (21) is arranged on car body (10), and interior pipe (22) slides and is plugged in the inner chamber of outer tube (21); The rear end of described pushing block (35) is arranged in the inner chamber of outer tube (21), and can along with interior pipe (22) relatively outer tube (21) slip forward and lean with interior pipe (22) and be promoted to move forward to by interior pipe (22) and unlock folding joint (30).
7. a kind of push rod unlocking type hand barrow according to claim 5, is characterized in that: be provided with a retracing spring between described locations (34) and the first pedestal (31), and described retracing spring resets for promoting locations (34) reach.
8. a kind of push rod unlocking type hand barrow according to claim 1, it is characterized in that: described car body (10) comprises some vehicle frames, each vehicle frame and push rod (20) form a connecting rod mechanism and can fold by synchronous folding.
9. a kind of push rod unlocking type hand barrow according to claim 1, is characterized in that: described push rod (20) is provided with one for push rod (20) being locked in a lockout mechanism of extended state and the actuating device for opening and closing this lockout mechanism.
10. a kind of push rod unlocking type hand barrow according to claim 9, it is characterized in that: described push rod (20) comprises and is arranged on an outer tube (21) on car body (10) and slip is plugged in pipe (22) in one in the inner chamber of outer tube (21), described lockout mechanism comprise the locating part (41) in the inner chamber radially sliding and be arranged on interior pipe (22) and slide axially be arranged on interior pipe (22) inner chamber in a sliding part (42), described sliding part (42) is provided with the guiding face (421) tilted that to have angle with the center shaft of interior pipe (22), locating part (41) is provided with the guiding block (411) matched with guiding face (421), the sidewall of interior pipe (22) offers one first opening that the front portion of locating part (41) can be supplied to pass, the sidewall of outer tube (21) offers can with one second opening of the first register, when sliding part (42) slides axially along interior pipe (22), guiding face (421) can promote guiding block (411) and moves to and make the front portion of locating part (41) through the first opening plugging in the second opening to be fixed on outer tube (21) by interior pipe (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520908564.5U CN205220765U (en) | 2015-11-12 | 2015-11-12 | Locking -type handcart is separated to push rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520908564.5U CN205220765U (en) | 2015-11-12 | 2015-11-12 | Locking -type handcart is separated to push rod |
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| Publication Number | Publication Date |
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| CN205220765U true CN205220765U (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520908564.5U Active CN205220765U (en) | 2015-11-12 | 2015-11-12 | Locking -type handcart is separated to push rod |
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| CN (1) | CN205220765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043399A (en) * | 2016-07-12 | 2016-10-26 | 东莞恒耀日用制品有限公司 | Folding baby carriage |
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2015
- 2015-11-12 CN CN201520908564.5U patent/CN205220765U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106043399A (en) * | 2016-07-12 | 2016-10-26 | 东莞恒耀日用制品有限公司 | Folding baby carriage |
| CN106043399B (en) * | 2016-07-12 | 2018-04-20 | 东莞恒耀日用制品有限公司 | A kind of Pushchair |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |