CN109809018A - One kind bearing transport backrest - Google Patents
One kind bearing transport backrest Download PDFInfo
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- CN109809018A CN109809018A CN201910130058.0A CN201910130058A CN109809018A CN 109809018 A CN109809018 A CN 109809018A CN 201910130058 A CN201910130058 A CN 201910130058A CN 109809018 A CN109809018 A CN 109809018A
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- wheel
- backrest
- wheel shaft
- support rod
- earth
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Abstract
The invention discloses one kind to bear transport backrest, including backrest ontology, the harness being arranged on backrest ontology, it further include telescopic support rod, turnover mechanism, wheel shaft and catching hold of the earth wheel, the upper end of the support rod is fixed on the lower end of backrest ontology, the wheel shaft is rotatably connected on the lower end of support rod by turnover mechanism, the catching hold of the earth wheel is rotatably connected on wheel shaft, it is provided with the one-way rotation mechanism for making catching hold of the earth wheel single direction rotation between the catching hold of the earth wheel and wheel shaft, several claw bars are provided on the circumferencial direction of the catching hold of the earth wheel.In the use of the present invention, can be played a supporting role by support rod and catching hold of the earth wheel to the back of user, effectively avoids user during traveling, especially fallen down backward when climbing step because of gravity center instability, guarantee the safety of user.
Description
Technical field
The present invention relates to a kind of backrest, in particular to one kind bears transport backrest.
Background technique
A kind of backrest be people in manpower transport common weight bearing tool.Since backrest is back when in use in user
With, and when using backrest, the article of constant weight is placed in backrest, leading to user, integral central is leaned on when in use
Afterwards, user in transit, especially when climbing step, is accidentally easy gravity center instability and falls down backward, so that user
There is some potential safety problems when in use.
Such as: China Patent Publication No. CN106892182A, the collapsible small backrest of entitled one kind of invention, including difference
Connecting rod, movable connecting rod group, backrest cloth, fixed link, backrest harness, back rope, this foldable small backrest is not by
Same connecting rod forms the basic framework of this backrest, then covers with backrest cloth on the connecting rod in front again, fastens backrest back
Band finally fastens a back rope behind the backrest above connecting rod.The folder function of small backrest is then by the work below small backrest
What the activity of the fixed link at the top of dynamic connecting rod group and small backrest was realized.The invention is disadvantageous in that: the invention is using
When, rearward, user in transit, especially when climbing step, is accidentally easy gravity center instability to user's integral central
It falls down backward, so that user has some potential safety problems when in use.
Summary of the invention
Present invention aim to address traditional backrests, and user's entirety center of gravity to be easy to cause to cause to make rearward when in use
For user during transportation especially during climbing step, user is easy the problem of gravity center instability is fallen down backward, provides one
Kind bears transport backrest, can effectively solve the problem that the above problem.
The purpose of the present invention is what is be achieved through the following technical solutions: one kind bears transport backrest, including backrest ontology, sets
The harness on backrest ontology is set, further includes telescopic support rod, turnover mechanism, wheel shaft and catching hold of the earth wheel, the support rod
Upper end is fixed on the lower end of backrest ontology, and the wheel shaft is rotatably connected on the lower end of support rod by turnover mechanism, described to grab ground
Wheel is rotatably connected on wheel shaft, and the one-way rotation mechanism for making catching hold of the earth wheel single direction rotation is provided between the catching hold of the earth wheel and wheel shaft,
Several claw bars are provided on the circumferencial direction of the catching hold of the earth wheel.
When being transported using the present invention, article to be transported is placed on backrest ontology, user will by harness
Backrest backs on the body, while the length of support rod is adjusted according to the height of user, so that the claw bar on catching hold of the earth wheel connects with ground
Touching.When advancing, catching hold of the earth wheel rolls user with direction of advance.When user is when climbing step, once gravity center instability occurs
The case where, the body of user will retreat, and the claw bar on catching hold of the earth wheel will catch step, due to catching hold of the earth wheel single direction rotation,
Catching hold of the earth wheel makes to maintain static reversely, so that the back to user plays supporting role, avoids falling down for user, this
Sample effectively reduces user's injured probability during transportation.When needing rest, user can be incited somebody to action by turnover mechanism
Catching hold of the earth wheel is overturn to horizontal position, and such catching hold of the earth wheel will become a stable pedestal to be made by adjusting the height of support rod
User can be sitting on backrest ontology and rest.
Preferably, the backrest ontology is " L " type.By the way that backrest ontology to be arranged to the structure of l-shaped, it is not only convenient for
Article is placed above, while also resting convenient for users to sitting on.
Preferably, the claw bar is rod-like structure, the front end of the claw bar is to curving.
Preferably, the support rod includes sleeve and telescopic rod, the support rod is scalable to be connected in sleeve, described
The upper end of sleeve is fixed on the lower end of backrest ontology, and the side of the sleeve is provided with threaded hole, and screw thread connects in the threaded hole
It is connected to lock screw, the front end of the lock screw and the side of telescopic rod contradict.By opposite between telescopic rod and sleeve
It is mobile, just play the role of adjusting support pole length.Support rod is after the completion of adjusting, by lock screw by flexible lever lock
Tightly.
Preferably, the turnover mechanism includes that the first articulated joint of telescopic rod lower end is arranged in and is arranged in wheel shaft one end
The second articulated joint, between first articulated joint and the second articulated joint pass through articulated shaft be rotatablely connected, second articulated joint
The upper side close to the first articulated joint is provided with first positioning hole and second location hole, is threaded in first articulated joint
Adjusting screw, the front end of the adjusting screw are caught in first positioning hole or second location hole；The front end of adjusting screw is caught in
When in first positioning hole and second location hole, wheel shaft is vertical and parallel with support rod respectively.
Preferably, the catching hold of the earth wheel includes cylindric wheel hub, the wheel hub is socketed on wheel shaft, the circle of the wheel hub
Several claw bars are provided in circumferential direction；The one-way rotation mechanism includes the phantom ring being arranged between wheel hub and wheel shaft, institute
Phantom ring is stated to be rotatablely connected between wheel hub and wheel shaft respectively；It is provided on the inner ring surface of the phantom ring peripherally disposed
Limiting slot, be provided with magnetic patch on the outer ring surface of the wheel shaft, the magnetic patch is located in limiting slot；It is provided on the phantom ring
The sliding groove being arranged radially along phantom ring, the sliding groove are correspondingly arranged at one end of limiting slot, the opening court of the sliding groove
To the inner ring surface of wheel hub, the latch segment that can be attracted by magnetic patch, the sliding trench bottom setting are slidably connected in the sliding groove
There is spring groove, is provided with spring between the latch segment and spring trench bottom；Several are provided on the inner ring surface of the wheel hub
Locking slot corresponding with latch segment；The height of the latch segment is greater than the depth of locking slot and is less than the depth of sliding groove.
The working principle of the one-way rotation mechanism is as follows: when catching hold of the earth wheel rotates forward, phantom ring is opposite with wheel shaft under the drive of wheel hub
Rotation, until magnetic patch stops after turning to one end opposite with sliding groove on limiting slot, at this moment latch segment is under the attraction of magnetic patch
It is moved to the bottom of sliding groove, is unlocked between wheel hub and phantom ring, catching hold of the earth wheel can rotate in the forward direction；When catching hold of the earth wheel reversion,
Phantom ring is rotated backward under the drive of wheel hub until turn to the other end of limiting slot, at this moment since magnetic patch is far from latch segment,
Latch segment is caught under the action of the spring in the locking slot being arranged on wheel hub inner ring surface, is locked between such wheel hub and phantom ring
Tightly, so that wheel hub can not reversely rotate.By above-mentioned principle, so that catching hold of the earth wheel can be realized unidirectional rotation.
Preferably, the first ball is provided between the outer ring surface of the phantom ring and the inner ring surface of wheel hub, it is described servo-actuated
The second ball is provided between the inner ring surface of ring and the outer ring surface of wheel shaft.By in the outer ring surface of phantom ring and the inner ring surface of wheel hub
Between the first ball is set, effectively reduce the abrasion between phantom ring and wheel hub；Pass through the inner ring surface and wheel shaft in phantom ring
Outer ring surface between be provided with the second ball, effectively reduce the abrasion between phantom ring and wheel shaft.
Preferably, the latch segment is fabricated from iron.The latch segment is made up of iron, enables latch segment by magnetic patch
Attract, while material is cheap and easy to get.
The beneficial effects of the present invention are: in the use of the present invention, can be by support rod and catching hold of the earth wheel to the back of user
Portion plays a supporting role, and effectively avoids user during traveling, especially when climbing step because gravity center instability and backward
It falls down, guarantees the safety of user.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is front view of the invention.
Fig. 3 is the cross-sectional view of support rod.
Fig. 4 is the portion a enlarged drawing in Fig. 2.
Fig. 5 is the cross-sectional view in the direction A-A in Fig. 4.
Fig. 6 is the portion b enlarged drawing in Fig. 5.
Fig. 7 is the cross-sectional view in the direction B-B in Fig. 5.
Fig. 8 is the portion d enlarged drawing in Fig. 7.
In figure: 1, backrest ontology, 2, harness, 3, sleeve, 4, telescopic rod, 5, turnover mechanism, 6, catching hold of the earth wheel, 7, connection method
Orchid, 8, lock screw, 9, wheel hub, 10, claw bar, the 11, first articulated joint, the 12, second articulated joint, 13, articulated shaft, 14, adjusting spiral shell
Silk, 15, wheel shaft, 16, phantom ring, 17, retaining ring, 18, magnetic patch, 19, spring, 20, latch segment, 21, sliding groove, the 22, first ball,
23, the second ball, 24, locking slot, 25, limiting slot, 26, spring groove.
Specific embodiment
Below by specific embodiment and in conjunction with attached drawing, the invention will be further described.
Embodiment: as shown in Figures 1 to 8, one kind bearing transport backrest, including backrest ontology 1.Backrest ontology 1 is " L "
Type.Harness 2 is provided on backrest ontology 1.The lower end of backrest ontology 1 is provided with telescopic support rod.Support rod is along vertical side
To setting.Support rod includes sleeve 3 and telescopic rod 4.Support rod 4 is scalable to be connected in sleeve 3.The upper end of sleeve 3 passes through company
Acting flange 7 is fixed on the lower end of backrest ontology 1.The side of sleeve 3 is provided with threaded hole.Locking screw is threaded in threaded hole
Silk 8.The front end of lock screw 8 and the side of telescopic rod 4 contradict.By the relative movement between telescopic rod 4 and sleeve 3, just rise
The effect for adjusting support pole length is arrived.Support rod locks telescopic rod 4 after the completion of adjusting, through lock screw 8.
The lower end of support rod is provided with turnover wheel shaft 15.Tipper is provided between wheel shaft 15 and the lower end of support rod
Structure.Turnover mechanism includes the first articulated joint 11 that 4 lower end of telescopic rod is arranged in and the second articulated joint that 15 one end of wheel shaft is arranged in
12.It is rotatablely connected between first articulated joint 11 and the second articulated joint 12 by articulated shaft 13.Close to first in second articulated joint 12
The side of articulated joint 11 is provided with first positioning hole and second location hole.90 are spaced between first positioning hole and second location hole
Degree.Adjusting screw 14 is threaded in first articulated joint.The front end of adjusting screw 14 is caught in first positioning hole or
In two location holes.When the front end of adjusting screw 14 is caught in first positioning hole, wheel shaft 15 is vertical with support rod；Before adjusting screw 14
When end is caught in second location hole, wheel shaft 15 is parallel with support rod.
Catching hold of the earth wheel 6 is rotatably connected on wheel shaft 15.Catching hold of the earth wheel 6 includes wheel hub 9.Wheel hub 9 is cylindrical shape.Wheel hub 9 is socketed in
On wheel shaft 15.15 one end of wheel shaft passes through the end face of wheel hub 9.The retaining ring 17 with the cooperation of the end face of wheel hub 9 is provided on wheel shaft 15.Wheel
Several claw bars 10 are provided on the circumferencial direction of hub 9.In the present embodiment, claw bar 10 is altogether there are four settings.Claw bar 10 is rod-shaped
Structure.The front end of claw bar 10 is to curving.One-way rotation mechanism is provided between wheel hub 9 and wheel shaft 15.One-way rotation mechanism
Including the phantom ring 16 being arranged between wheel hub 9 and wheel shaft 15.Rotation connects phantom ring 16 between wheel hub 9 and wheel shaft 15 respectively
It connects.Peripherally disposed limiting slot 25 is provided on the inner ring surface of phantom ring 16.Magnetic is provided on the outer ring surface of wheel shaft 15
Block 18.Magnetic patch 18 is located in limiting slot 25.Sliding groove 21 is provided on phantom ring 16.Sliding groove 21 is radially set along phantom ring
It sets.The outer ring surface of sliding groove perforation phantom ring 21.Inner ring surface of the opening of the sliding groove 21 towards wheel hub 9.Sliding groove 21 is right
One end of limiting slot 25 should be set.The latch segment 20 that can be attracted by magnetic patch 18 is slidably connected in sliding groove 21.Latch segment 20
Match with sliding groove 21.In the present embodiment, the latch segment 20 is fabricated from iron.Latch segment can also by cobalt, nickel or other
It can be made by the material that magnetic patch attracts.21 bottom of sliding groove is provided with spring groove 26.Between 26 bottom of latch segment 20 and spring groove
It is provided with spring 19.Several locking slots 24 corresponding with latch segment 20 are provided on the inner ring surface of wheel hub 9.Latch segment 20
Height is greater than the depth of locking slot 24 and is less than the depth of sliding groove 21.Be provided on the outer ring surface of phantom ring 16 several
One ball grooves.First ball grooves are hemispherical groove.The interlocking of first ball grooves has rotatable first ball 22.First ball
22 contact with the inner ring surface ball of wheel hub 9.The inner ring surface of phantom ring 16 is provided with several the second ball grooves.Second ball grooves are
Hemispherical groove.Interlocking has rotatable second ball 23 in second ball grooves.The outer ring surface of second ball 23 and wheel shaft 15
It is in rolling contact.Frictional force when rotating between wheel hub 9 and phantom ring 16 is greater than rubbing when rotating between phantom ring 16 and wheel shaft 15
Wipe power.The working principle of one-way rotation mechanism is as follows: when catching hold of the earth wheel rotates forward, phantom ring is opposite with wheel shaft under the drive of wheel hub
Rotation, until magnetic patch stops after turning to one end opposite with sliding groove on limiting slot, at this moment latch segment is under the attraction of magnetic patch
It is moved to the bottom of sliding groove, is unlocked between wheel hub and phantom ring, catching hold of the earth wheel can rotate in the forward direction；When catching hold of the earth wheel reversion,
Phantom ring is rotated backward under the drive of wheel hub until turn to the other end of limiting slot, at this moment since magnetic patch is far from latch segment,
Latch segment is caught under the action of the spring in the locking slot being arranged on wheel hub inner ring surface, is locked between such wheel hub and phantom ring
Tightly, so that wheel hub can not reversely rotate.By above-mentioned principle, so that catching hold of the earth wheel can be realized unidirectional rotation.
When being transported using the present invention, article to be transported is placed on backrest ontology, user will by harness
Backrest backs on the body, while the length of support rod is adjusted according to the height of user, so that the claw bar on catching hold of the earth wheel connects with ground
Touching.When advancing, catching hold of the earth wheel rolls user with direction of advance.When user is when climbing step, once gravity center instability occurs
The case where, the body of user will retreat, and the claw bar on catching hold of the earth wheel will catch step, due to catching hold of the earth wheel single direction rotation,
Catching hold of the earth wheel makes to maintain static reversely, so that the back to user plays supporting role, avoids falling down for user, this
Sample effectively reduces user's injured probability during transportation.When needing rest, user can be incited somebody to action by turnover mechanism
Catching hold of the earth wheel is overturn to horizontal position, and such catching hold of the earth wheel will become a stable pedestal to be made by adjusting the height of support rod
User can be sitting on backrest ontology and rest.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (8)
1. one kind bears transport backrest, including backrest ontology (1), the harness (2) being arranged on backrest ontology (1), feature exists
In: it further include that telescopic support rod, turnover mechanism (5), wheel shaft (15) and catching hold of the earth wheel (6), the upper end of the support rod are fixed
In the lower end of backrest ontology (1), the wheel shaft (15) is rotatably connected on the lower end of support rod by turnover mechanism (5), described to grab
Land wheel (6) is rotatably connected on wheel shaft (15), and being provided between the catching hold of the earth wheel (6) and wheel shaft (15) keeps catching hold of the earth wheel (6) unidirectional
The one-way rotation mechanism of rotation is provided with several claw bars (10) on the circumferencial direction of the catching hold of the earth wheel (6).
2. one kind according to claim 1 bears transport backrest, which is characterized in that the backrest ontology (1) is " L " type.
3. one kind according to claim 1 bears transport backrest, which is characterized in that the claw bar (10) is rod-like structure,
The front end of the claw bar (10) is to curving.
4. one kind according to claim 1 bears transport backrest, which is characterized in that the support rod include sleeve (3) and
Telescopic rod (4), the support rod (4) is scalable to be connected in sleeve (3), and the upper end of the sleeve (3) is fixed on backrest ontology
(1) side of lower end, the sleeve (3) is provided with threaded hole, and lock screw (8), institute are threaded in the threaded hole
The side of the front end and telescopic rod (4) of stating lock screw (8) contradicts.
5. one kind according to claim 4 bears transport backrest, which is characterized in that the turnover mechanism includes that setting is being stretched
In second articulated joint (12) of wheel shaft (15) one end, described first is hinged for first articulated joint (11) and setting of contracting bar (4) lower end
It is rotatablely connected between head (11) and the second articulated joint (12) by articulated shaft (13), close to first on second articulated joint (12)
The side of articulated joint (11) is provided with first positioning hole and second location hole, is threaded with adjusting spiral shell in first articulated joint
Silk (14), the front end of the adjusting screw (14) is caught in first positioning hole or second location hole；Before adjusting screw (14)
When end is caught in first positioning hole and second location hole, wheel shaft (15) is vertical and parallel with support rod respectively.
6. one kind described according to claim 1 or 2 or 3 or 4 or 5 bears transport backrest, which is characterized in that the catching hold of the earth wheel
It (6) include cylindric wheel hub (9), the wheel hub (9) is socketed on wheel shaft (15), sets on the circumferencial direction of the wheel hub (9)
It is equipped with several claw bars (10)；The one-way rotation mechanism includes the phantom ring being arranged between wheel hub (9) and wheel shaft (15)
(16), the phantom ring (16) is rotatablely connected between wheel hub (9) and wheel shaft (15) respectively；The inner ring surface of the phantom ring (16)
On be provided with peripherally disposed limiting slot (25), be provided with magnetic patch (18) on the outer ring surface of the wheel shaft (15), it is described
Magnetic patch (18) is located in limiting slot (25)；The sliding groove being arranged radially along phantom ring (16) is provided on the phantom ring (16)
(21), the sliding groove (21) is correspondingly arranged at one end of limiting slot (25), and the opening of the sliding groove (21) is towards wheel hub (9)
Inner ring surface, the latch segment (20) that can be attracted by magnetic patch (18), the sliding groove are slidably connected in the sliding groove (21)
(21) bottom is provided with spring groove (26), is provided with spring (19) between the latch segment (20) and spring groove (26) bottom；Institute
It states and is provided with several locking slots (24) corresponding with latch segment (20) on the inner ring surface of wheel hub (9)；The latch segment (20)
Height be greater than locking slot (24) depth and be less than sliding groove (21) depth.
7. one kind according to claim 6 bears transport backrest, which is characterized in that the outer ring surface of the phantom ring (16) with
It is provided between the inner ring surface of wheel hub (9) the first ball (22), the inner ring surface of the phantom ring (16) and the outer ring of wheel shaft (15)
The second ball (23) are provided between face.
8. one kind according to claim 6 bears transport backrest, which is characterized in that the latch segment (20) is fabricated from iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130058.0A CN109809018B (en) | 2019-02-21 | 2019-02-21 | Shoulder carrying transportation back frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910130058.0A CN109809018B (en) | 2019-02-21 | 2019-02-21 | Shoulder carrying transportation back frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109809018A true CN109809018A (en) | 2019-05-28 |
| CN109809018B CN109809018B (en) | 2020-04-28 |
Family
ID=66607124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910130058.0A Active CN109809018B (en) | 2019-02-21 | 2019-02-21 | Shoulder carrying transportation back frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109809018B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013633A (en) * | 2021-11-03 | 2022-02-08 | 国网安徽省电力有限公司蚌埠供电公司 | Unmanned aerial vehicle with descending buffer structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2056652U (en) * | 1988-12-27 | 1990-05-02 | 李固平 | Multi-functional trolley |
| JP2004042761A (en) * | 2002-07-11 | 2004-02-12 | Mitsuru:Kk | Carry cart |
| US20070075105A1 (en) * | 2005-10-04 | 2007-04-05 | Petrin Raymond R | Trailable backpack |
| CN202641752U (en) * | 2012-07-06 | 2013-01-02 | 王如平 | Backpack type carrying vehicle |
| CN105508460A (en) * | 2015-11-28 | 2016-04-20 | 重庆华洋单向器制造有限公司 | Overrunning clutchclamped by roll balls |
| CN108013551A (en) * | 2018-01-05 | 2018-05-11 | 张秭涵 | It is a kind of to reduce the backrest for falling down injured degree |
| CN108338592A (en) * | 2017-01-20 | 2018-07-31 | 中西合璧有限责任公司 | Baby carrying device |
-
2019
- 2019-02-21 CN CN201910130058.0A patent/CN109809018B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2056652U (en) * | 1988-12-27 | 1990-05-02 | 李固平 | Multi-functional trolley |
| JP2004042761A (en) * | 2002-07-11 | 2004-02-12 | Mitsuru:Kk | Carry cart |
| US20070075105A1 (en) * | 2005-10-04 | 2007-04-05 | Petrin Raymond R | Trailable backpack |
| CN202641752U (en) * | 2012-07-06 | 2013-01-02 | 王如平 | Backpack type carrying vehicle |
| CN105508460A (en) * | 2015-11-28 | 2016-04-20 | 重庆华洋单向器制造有限公司 | Overrunning clutchclamped by roll balls |
| CN108338592A (en) * | 2017-01-20 | 2018-07-31 | 中西合璧有限责任公司 | Baby carrying device |
| CN108013551A (en) * | 2018-01-05 | 2018-05-11 | 张秭涵 | It is a kind of to reduce the backrest for falling down injured degree |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013633A (en) * | 2021-11-03 | 2022-02-08 | 国网安徽省电力有限公司蚌埠供电公司 | Unmanned aerial vehicle with descending buffer structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109809018B (en) | 2020-04-28 |
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