CN105711334A - Support-rod-braked trundle - Google Patents
Support-rod-braked trundle Download PDFInfo
- Publication number
- CN105711334A CN105711334A CN201610295174.4A CN201610295174A CN105711334A CN 105711334 A CN105711334 A CN 105711334A CN 201610295174 A CN201610295174 A CN 201610295174A CN 105711334 A CN105711334 A CN 105711334A
- Authority
- CN
- China
- Prior art keywords
- wheel
- brake bar
- baffle ring
- wheel carrier
- trundle
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0078—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism
- B60B33/0089—Castors in general; Anti-clogging castors characterised by details of the wheel braking mechanism acting on the floor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2900/00—Purpose of invention
- B60B2900/20—Avoidance of
- B60B2900/212—Damage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention provides a support-rod-braked trundle. A U-shaped frame is arranged on a convex top surface of a trundle base; pin shaft slots are formed on two wings of the U-shaped frame; a positioning slot is formed on the trundle base in a lateral concave form; the trundle frame is pivoted with the trundle base; a brake rod body passes through a lower hole of the trundle frame and an inner baffle ring of a connector; a spring is arranged in a connecting sleeve; the lower end of the spring acts on the inner baffle ring of the connecting sleeve while the upper end acts on a baffle pan of the brake rod; a trigger handle is arranged at one end of a wrenching piece; a horizontal opposite penetrating pin shaft is arranged on the middle position of the wrenching piece; the other end of the wrenching piece is hinged with the upper end of the brake rod; the pin shaft respectively passes through the pin shaft slots on the two sides of the U-shaped frame, so as to form hinge and sliding connection. In a braking process, the trundle body leaves the ground and the trundle body and the trundle frame have a protecting function.
Description
Technical field
The present invention relates to a kind of wheel tool, especially a kind of castor having strut brake unit.
Background technology
The brake unit of existing castor is arranged on the wheel carrier of castor and brake control power acts on wheel body, fragile wheel body；If universal wheel, wheel body be deviation support central shaft, cause brake pulling piece can with the rotation of wheel body change location, cause operation inconvenience, even if though braking rear-wheel body is by locking, but wheel carrier and wheel body remain to around support central axis.Further, the stress point that universal wheel is over the ground is deviation supports central shaft, the fragile wheel carrier of moment of generation.
Also some designs are had to wish to improve existing castor, Chinese patent such as " a kind of luggage case use castor " that publication number is CN2888175Y and " a kind of castor for luggage case " that publication number is CN2863516Y, disclose a kind of castor, trip gear is arranged in the wheel seat above wheel carrier, drives brake member braking wheel body by follower lever.This mode of braking makes pulling piece no longer rotate with wheel carrier, and pulling piece is above wheel body, facilitate brake operation, but still there is wheel carrier and wheel body will around supporting central axis, fragile wheel body, and the stress point that universal wheel is over the ground is that deviation supports central shaft, the problem of the fragile wheel carrier of moment produced, it addition, they braking positioner all adopt be push away spring flex point location, belong to unstable state location, easily cause location to lose efficacy when external force is very big, affect braking reliability.
Summary of the invention
It is an object of the invention to: for the problems referred to above, it is provided that a kind of manipulation pulling piece above wheel body, brake with strut, and braking positions reliable castor.
The technical scheme is that a kind of strut brake castor, be made up of wheel seat, wheel carrier, wheel body, bearing, adapter sleeve, brake bar, spring, pulling piece, locating slot, pin groove.
Described wheel seat, for casing one inferior horn, has an epirelief, has side recessed a side in bottom surface.Bore is taken turns at middle part, and epirelief upper end has a wall to be perpendicular to epirelief end face, and opening points to the U-shaped frame that side is recessed.Pin groove is the horizontal slotted hole opened respectively at U-shaped frame both wings；Locating slot is the inversed l-shaped through-hole groove arranged on side is recessed.
Described wheel carrier, lower end one side shaft fifth wheel body, wheel carrier top and bottom have hole and wheel carrier lower opening on coaxial wheel carrier respectively, and wheel carrier upper end and wheel seat are by bearing hinge joint, and on pivot joint rear wheel frame, hole is coaxial with wheel bore.
Described connection is cased with sleeve, sleeve upper end and middle part outward extending upper baffle ring and lower baffle ring respectively, and there is the inner baffle ring extended internally lower end.Upper baffle ring and lower baffle ring are respectively clamped into hole peritreme on wheel bore and wheel carrier.
Described brake bar is rod-like element, and lower end is connected to a callosity, and a block plate is arranged at top, and there is a pin joint upper end.Brake bar shaft is through the inner baffle ring of wheel carrier lower opening and connector, and callosity is placed in outside wheel carrier lower opening, and block plate is placed in above the upper baffle ring of connector.
Described spring is placed in and connects in part set, is socketed with brake bar shaft, and lower spring end acts on the inner baffle ring of adapter sleeve, and upper end acts on the block plate of brake bar.
Described pulling piece is a long elements, and one end is trigger piece, and the other end has a pin joint, has one laterally to wearing bearing pin at medium position.Trigger piece be placed in the side of wheel seat recessed outside, bearing pin two ends are each passed through the pin groove on U-shaped frame both sides, are formed hinged and are slidably connected, the pin joint of pulling piece be combined with the pin joint of brake bar formed hinged.
The shaft of described brake bar is round bar.
There is a perforation described brake bar upper end, described pulling piece one end is trigger piece, the other end has two parallel lugs, and two lug have the lug of a correspondence to bore a hole respectively, it is hinged that the pin joint of described pulling piece is combined formation with the pin joint of brake bar, it is possible to it is hinged that to be pin make pulling piece and brake bar be formed through the perforation of lug perforation and brake bar upper end.
The work process of the present invention is: when castor is in normal operating condition, brake bar is positioned in an up under the action of the spring, and callosity leaves ground, makes wheel body and wheel carrier energy normal rotation.Now, hinged due to brake bar of pulling piece, rotate around bearing pin, make trigger piece be placed in locating slot vertical slot lower end.
When needs are braked, upwards pulling trigger piece to vertical slot upper end, pulling piece rotates around bearing pin, hinged due to pulling piece and brake bar, and bearing pin can slide in pin groove, and brake bar is placed in bottom.Now laterally pull trigger piece, can rotate around brake bar axle center due to pulling piece and bearing pin can slide in pin groove so that trigger piece can laterally snap in locating slot translot, forms stable state location, and brake bar stable state is positioned bottom the most at last.Now callosity and earth surface lift wheel body, has reached braking and the release purpose to wheel body and wheel carrier active force.
The invention has the beneficial effects as follows:
1, pulling the trigger piece of pulling piece during braking, make wheel body leave ground, brake force no longer acts on wheel body, and wheel body is served protective effect.
2, after wheel body leaves ground, wheel carrier is no longer produced moment, wheel carrier is served protective effect；
3, after braking, the rotation of wheel carrier no longer affects casing, makes braking more stable；
4, pulling of pulling piece achieves stable state location with Position Design, adds braking reliability；
5, owing to pulling piece is arranged on above wheel carrier, and no longer along with wheel carrier rotates, make brake operating convenient.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and embodiment, the present invention will be further described.
Fig. 1 is the forward sectional view when castor is in normal operating condition.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the forward sectional view when castor is in on-position.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the axonometric drawing of embodiment.
In figure: 1. wheel seat, 1a. epirelief, 1b. side is recessed, and 1c. takes turns bore, 1d.U shape frame, 1e. locating slot, 1ea. vertical slot, 1eb. translot, 1f. pin groove, 2. wheel carrier, hole on 2a. wheel carrier, 2b. wheel carrier lower opening, 3. wheel body, 4. bearing, 5. adapter sleeve, 5a. sleeve pipe, 5b. upper baffle ring, 5c. lower baffle ring, 5d. inner baffle ring, 6. brake bar, 6a. callosity, 6b. block plate, 6c. bores a hole, 6d. shaft, 7. spring, 8. pulling piece, 8a. trigger piece, 8b. lug, 8c. lug is bored a hole, 8d. bearing pin, 9. pin.
Detailed description of the invention
Such as Fig. 1 to Fig. 5, a kind of strut brake castor, including wheel seat 1, wheel carrier 2, wheel body 3, bearing 4, adapter sleeve 5, brake bar 6, spring 7, pulling piece 8, locating slot 1e, pin groove 1f.
Described wheel seat 1, for casing one inferior horn, has an epirelief 1a, has the recessed 1b in side a side in bottom surface.Taking turns bore 1c in the middle part of epirelief 1a, upper end has an opening to point to the U-shaped frame 1d that side is recessed.Pin groove 1f is the horizontal slotted hole opened respectively at U-shaped frame 1d both wings；Locating slot 1e is the inversed l-shaped through-hole groove arranged on the recessed 1b in side.
Described wheel carrier 2, lower end one side shaft fifth wheel body 3, wheel carrier 2 upper center and lower end have hole 2a and wheel carrier lower opening 2b on coaxial wheel carrier respectively, and wheel carrier 2 upper end and wheel seat 1 are by bearing 4 pivot joint, and on pivot joint rear wheel frame, hole 2a is coaxial with wheel bore 1c.
Described adapter sleeve 5 has sleeve 5a, sleeve pipe 5a upper end and middle part to have outward extending upper baffle ring 5b and lower baffle ring 5c respectively, and there is the inner baffle ring 5d extended internally lower end.Upper baffle ring 5b and lower baffle ring 5c is respectively clamped into hole 2a peritreme on wheel bore 1c and wheel carrier.
Described brake bar 6 is round bar, and lower end is connected to a callosity 6a, and a block plate 6b is arranged at top, and there is a perforation 6c upper end.Brake bar shaft 6d is placed in outside wheel carrier lower opening 2b through the inner baffle ring 5d, callosity 6a of wheel carrier lower opening 2b and adapter sleeve, and block plate 2a is placed in above the upper baffle ring 5b of connector.
In described spring 7 company of being placed in part set 5, being socketed with brake bar shaft 6d, spring 7 lower end acts on the inner baffle ring 5d of adapter sleeve, and upper end acts on the block plate 6a of brake bar.
Described pulling piece 8 is a long elements, and one end is trigger piece 8a, and the other end has two parallel lug 8b, and two lugs have a lug perforation 8c respectively, have one laterally to wearing bearing pin 8d at medium position.Trigger piece 8a is placed in outside the recessed 1b in side of wheel seat, and bearing pin 8d two ends are each passed through the pin groove 1f on U-shaped frame both sides, is formed hinged and is slidably connected.It is hinged that the perforation 6c of pin 9 traverse lug perforation 8c and brake bar upper end makes pulling piece and brake bar be formed.
The work process of the present invention is: when castor is in normal operating condition, and brake bar 6 is positioned in an up under spring 7 acts on, and callosity 6a leaves ground, makes wheel body 3 and wheel carrier 2 energy normal rotation.Now, hinged due to brake bar 6 of pulling piece 8, rotate around bearing pin 8d, make trigger piece 8a be placed in locating slot vertical slot 1ea lower end.
When needs are braked, upwards pulling trigger piece 8a to vertical slot 1ea upper end, pulling piece 8 rotates around bearing pin 8d, hinged due to pulling piece 8 and brake bar 6, and bearing pin 8d can slide in pin groove 1f, and brake bar 6 is placed in bottom.Now laterally pull trigger piece 8a, can rotate around brake bar 6 axle center due to pulling piece 8 and bearing pin 8a can slide in pin groove 1f so that trigger piece 8a can laterally snap in locating slot translot 1eb, forms stable state location, and brake bar 6 stable state is positioned bottom the most at last.Now callosity 6a and earth surface lift wheel body 3, has reached braking and the release purpose to wheel body 3 and wheel carrier 2 active force.
Claims (3)
1. a strut brake castor, is made up of wheel seat, wheel carrier, wheel body, bearing, adapter sleeve, brake bar, spring, pulling piece, locating slot, pin groove；Described wheel seat, for casing one inferior horn, has an epirelief, has side recessed a side in bottom surface；Bore is taken turns at middle part, and epirelief upper end has a wall to be perpendicular to epirelief end face, and opening points to the U-shaped frame that side is recessed, it is characterized in that: described pin groove is the horizontal slotted hole opened respectively at U-shaped frame both wings；Locating slot is the inversed l-shaped through-hole groove arranged on side is recessed；
Described wheel carrier, lower end one side shaft fifth wheel body, wheel carrier top and bottom have hole and wheel carrier lower opening on coaxial wheel carrier respectively, and wheel carrier upper end and wheel seat are by bearing hinge joint, and on pivot joint rear wheel frame, hole is coaxial with wheel bore；
Described connection is cased with sleeve, sleeve upper end and middle part outward extending upper baffle ring and lower baffle ring respectively, and there is the inner baffle ring extended internally lower end；Upper baffle ring and lower baffle ring are respectively clamped into hole peritreme on wheel bore and wheel carrier；
Described brake bar is rod-like element, and lower end is connected to a callosity, and a block plate is arranged at top, and there is a pin joint upper end；Brake bar shaft is through the inner baffle ring of wheel carrier lower opening and connector, and callosity is placed in outside wheel carrier lower opening, and block plate is placed in above the upper baffle ring of connector；
Described spring is placed in and connects in part set, is socketed with brake bar shaft, and lower spring end acts on the inner baffle ring of adapter sleeve, and upper end acts on the block plate of brake bar；
Described pulling piece is a long elements, and one end is trigger piece, and the other end has a pin joint, has one laterally to wearing bearing pin at medium position；Trigger piece be placed in the side of wheel seat recessed outside, bearing pin two ends are each passed through the pin groove on U-shaped frame both sides, are formed hinged and are slidably connected, the pin joint of pulling piece be combined with the pin joint of brake bar formed hinged.
2. a kind of strut brake castor according to claim 1, is characterized in that: the shaft of described brake bar is round bar.
3. a kind of strut brake castor according to claim 1, it is characterized in that: there is a perforation described brake bar upper end, described pulling piece one end is trigger piece, the other end has two parallel lugs, and two lug have the lug of a correspondence to bore a hole respectively, it is hinged that the pin joint of described pulling piece is combined formation with the pin joint of brake bar, it is possible to it is hinged that to be pin make pulling piece and brake bar be formed through the perforation of lug perforation and brake bar upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295174.4A CN105711334A (en) | 2016-05-06 | 2016-05-06 | Support-rod-braked trundle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610295174.4A CN105711334A (en) | 2016-05-06 | 2016-05-06 | Support-rod-braked trundle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105711334A true CN105711334A (en) | 2016-06-29 |
Family
ID=56162361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610295174.4A Pending CN105711334A (en) | 2016-05-06 | 2016-05-06 | Support-rod-braked trundle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105711334A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108454317A (en) * | 2018-04-18 | 2018-08-28 | 襄阳浩宇科技咨询有限公司 | A kind of support construction and board for board |
| CN110316236A (en) * | 2018-03-29 | 2019-10-11 | 卡麦德（医疗器械）有限公司 | Brake apparatus for cart |
| CN111587020A (en) * | 2020-06-29 | 2020-08-25 | 台州道业科技有限公司 | Universal cabinet caster support and using method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4747180A (en) * | 1985-06-17 | 1988-05-31 | Colson Castors (U.K.) | Castor incorporating a braking mechanism |
| CN201189803Y (en) * | 2008-04-21 | 2009-02-04 | 张华林 | Land wheel |
| US20090242343A1 (en) * | 2008-03-26 | 2009-10-01 | C & C Luggage Manufacturing Co., Ltd. | Wheel assembly of luggage |
| CN203282966U (en) * | 2013-05-17 | 2013-11-13 | 中山市巨宁金属制品有限公司 | Novel trundle device |
| CN204383085U (en) * | 2014-12-31 | 2015-06-10 | 海盐孚邦机械有限公司 | A kind of castor with bracing frame |
| CN205588891U (en) * | 2016-05-06 | 2016-09-21 | 成都理工大学 | Vaulting pole brake casters |
-
2016
- 2016-05-06 CN CN201610295174.4A patent/CN105711334A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4747180A (en) * | 1985-06-17 | 1988-05-31 | Colson Castors (U.K.) | Castor incorporating a braking mechanism |
| US20090242343A1 (en) * | 2008-03-26 | 2009-10-01 | C & C Luggage Manufacturing Co., Ltd. | Wheel assembly of luggage |
| CN201189803Y (en) * | 2008-04-21 | 2009-02-04 | 张华林 | Land wheel |
| CN203282966U (en) * | 2013-05-17 | 2013-11-13 | 中山市巨宁金属制品有限公司 | Novel trundle device |
| CN204383085U (en) * | 2014-12-31 | 2015-06-10 | 海盐孚邦机械有限公司 | A kind of castor with bracing frame |
| CN205588891U (en) * | 2016-05-06 | 2016-09-21 | 成都理工大学 | Vaulting pole brake casters |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110316236A (en) * | 2018-03-29 | 2019-10-11 | 卡麦德（医疗器械）有限公司 | Brake apparatus for cart |
| CN108454317A (en) * | 2018-04-18 | 2018-08-28 | 襄阳浩宇科技咨询有限公司 | A kind of support construction and board for board |
| CN111587020A (en) * | 2020-06-29 | 2020-08-25 | 台州道业科技有限公司 | Universal cabinet caster support and using method thereof |
| CN111587020B (en) * | 2020-06-29 | 2021-06-11 | 台州道业科技有限公司 | Universal cabinet caster support and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160629 |