CN205661265U - Take brake mechanism's trailer traction device - Google Patents
Take brake mechanism's trailer traction device Download PDFInfo
- Publication number
- CN205661265U CN205661265U CN201620422585.0U CN201620422585U CN205661265U CN 205661265 U CN205661265 U CN 205661265U CN 201620422585 U CN201620422585 U CN 201620422585U CN 205661265 U CN205661265 U CN 205661265U
- Authority
- CN
- China
- Prior art keywords
- brake
- dead bolt
- support body
- traction device
- brake lever
- 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.)
- Active
Links
Landscapes
- Braking Arrangements (AREA)
Abstract
The utility model discloses a take brake mechanism's trailer traction device belongs to the draw gear of trailers such as car as a house, yacht, and the brake mechanism brake shoe structure of current traction wheel mechanism is complicated, and the atress is bad, the sprocket of fragile brake usefulness, the utility model discloses a brake mechanism includes fluted disc, brake locking tongue, brake lever, and the fluted disc is fixed on an input shaft, and the fluted disc has the tooth's socket that circumference distributes, and the effect has the spring on the brake locking tongue, and the tooth's socket was gone into to brake locking tongue card when brake lever drew in in to the support body, and the brake locking tongue was deviate from from the tooth's socket when brake lever expanded from the support body. The utility model discloses a fixing the fluted disc on the input shaft, being gone into by brake locking tongue card and realize the brake in the tooth's socket of fluted disc, the brake locking tongue can directly cooperate with the fluted disc and needn't keep away the open chain strip and make the structure complicacy, and the atress situation is good, and structural reliability is good, and, because chain transmission structure's sprocket is not used for the brake, so can not damaged by braking force, assurance chain drive's life -span.
Description
Technical field
This utility model belongs to the traction apparatus of the trailer such as caravan, yacht, and the trailer of a kind of strap brake mechanism leads
Leading-in device.
Background technology
Caravan, yacht etc., as a kind of trailer (trailer) form, when they not being connected on tractor, also have
They are first pulled out from storehouse by the demand of its position mobile as typically required when they are connected to tractor, or
Need to move them to storehouse after they being pulled down from tractor, in order to safety and laborsaving for the sake of, by trailer traction fill
Putting is a kind of selection very well.
Notification number is that the Chinese utility model patent of CN203902177U discloses one " the traction turbine of caravan or yacht
Structure ", it includes traction wheel and wheel carrier, and wheel carrier may be rotatably mounted at the bottom of caravan or yacht, and wheel carrier is rotatably combined with
One rotating shaft, the second rotating shaft and wheel shaft, the first rotating shaft, the second rotating shaft and wheel shaft are parallel to each other, and the first rotating shaft are fixed with first little
Sprocket wheel, the second rotating shaft is fixed with the second minor sprocket and the first big sprocket wheel, wheel shaft is fixed with second largest sprocket wheel, the first minor sprocket
All engaging with the first chain with the first big sprocket wheel, the second minor sprocket all engages with the second chain with second largest sprocket wheel；Set on wheel carrier
There is sprocket wheel locking mechanism；Traction wheel includes a drivewheel and a driven pulley, and drivewheel is spacing with wheel shaft circumference and driven pulley
Rotatably being linked on wheel shaft, the inner face of driven pulley is provided with two orthogonal radial direction raised lines, and the inner face of drivewheel sets
A front end is had to stretch into the postive stop baffle in two radial direction raised lines；This traction wheel mechanism also includes one for rotating the first rotating shaft
Or second spanner of rotating shaft.
Concrete, its sprocket wheel locking mechanism is: being fixed with slide on wheel carrier, be provided with chute in slide, chute is equipped with lock
Block, the side of brake shoe is provided with projection, and the sidewall of chute is through with gathering sill, and projection fits snugly within gathering sill, the top of chute
Baffled, it is provided with stage clip between baffle plate and brake shoe upper end, the projection on brake shoe is pushed against gathering sill bottom land, lock under stage clip effect
Block lower end clamping the first minor sprocket；Being additionally provided with brake lever on wheel carrier, the stage casing of brake lever is hinged with slide top, brake lever rear end
Being provided with brake lever, the front end of brake lever is provided with an arcuate groove, and when pressing under brake lever front end, projection is from the opening of arcuate groove
Snap in arcuate groove arcuately groove slip；So, segment length after brake lever and leading portion is short, in normal state, back segment action of gravity
Under hang and leading portion upwarps, now, the projection of brake shoe is pushed by stage clip and is pressed on gathering sill bottom land, and brake shoe is positioned at lower position,
Locked first minor sprocket of brake shoe clamping, whole drive mechanism and traction wheel are not all rotated by locked；When needing to unlock, people hold
And the brake lever of lifting brake lever rear end so that brake lever is pressed under front end, and projection enters arcuate groove edge from arcuate groove opening
Arcuate groove to slide, brake shoe fixing with projection in projection arcuately groove sliding process also overcomes stage clip pressure and upwards lifting,
Thus depart from the first minor sprocket and realize the unblock of drive mechanism and traction wheel；During in addition, it is desirable to turn to, people can catch brake
The brake lever of bar rotates wheel carrier very easily.
The shortcoming of the program is: locked first minor sprocket of brake shoe clamping realizes brake.But, due to the first minor sprocket with
First chain engagement, therefore the first chain can hinder locked first minor sprocket of the direct clamping of brake shoe, and in order to realize clamping dead the
One minor sprocket, need to make brake shoe avoid the first chain, and this makes brake shoe structure complicated, and stress is bad；It is additionally, since the strength of brake
Relatively big, locked first minor sprocket of brake shoe clamping realizes brake and can damage the structure of the first minor sprocket, causes and the nibbling of the first chain
Close bad.
Utility model content
The technical assignment of the technical problems to be solved in the utility model and proposition is to overcome existing traction wheel mechanism braking machine
The defects such as the brake shoe structure of structure is complicated, and stress is bad, the fragile sprocket wheel for brake, it is provided that the trailer of a kind of strap brake mechanism
Traction apparatus.
For reaching above-mentioned purpose, the Trailer traction device of strap brake mechanism of the present utility model, including support body, pass through main shaft
The traction wheel being assemblied on support body and driven by chain transmission mechanism, described chain transmission mechanism has and is assemblied on described support body
At least one power shaft, described support body is provided with trailer attachment structure and braking mechanism, it is characterized in that: described braking mechanism
Including fluted disc, brake dead bolt, can collapse to described support body and the brake lever launched from described support body, described fluted disc is fixed
On a described power shaft, described fluted disc has the circumferentially distributed tooth stretching into realization brake for described brake dead bolt
Groove.
As optimization technique means: described support body is provided with guide holder, described brake dead bolt is telescopic to be assemblied in
In described guide holder, the brake dead bolt described in when described brake lever collapses to described support body snaps in described teeth groove,
Brake dead bolt described in when described brake lever launches from described support body is deviate from from described teeth groove.
As optimization technique means: on described brake dead bolt, effect has spring, and described spring is to described brake dead bolt
Apply the elastic force moved to described teeth groove；Described guide holder has two symmetrical gathering sills, on described brake dead bolt
Being provided with the pin being positioned at described gathering sill, described brake lever is provided with opening skewed slot；Described brake lever collapses to
Pin described in during described support body is deviate from from described opening skewed slot, and described brake dead bolt is by the elastic card of described spring
Enter described teeth groove；Pin described in when described brake lever launches from described support body slips into described opening skewed slot,
Described brake dead bolt overcomes the elastic force of described spring to deviate from from described teeth groove.
As optimization technique means: on described brake dead bolt, effect has spring, described brake lever to be provided with cam；
Described spring applies to depart from the elastic force of described teeth groove to described brake dead bolt；Described brake lever collapses to described support body
The brake dead bolt described in brake dead bolt order described in the cam of Shi Suoshu snaps in described teeth groove；Described brake lever from
The brake dead bolt described in cam release described in when launching on described support body, described brake dead bolt borrows the elastic force of described spring
Teeth groove described in abjection.
As optimization technique means: described spring is to be positioned at described guide holder and be supported on described brake dead bolt
Helical pressure.
As optimization technique means: described brake lever swings and is assemblied on described guide holder.
As optimization technique means: described support body is provided with the elastic clip for retraining described brake lever.
As optimization technique means: described chain transmission mechanism is to realize slowing down to described main shaft from described power shaft
Transmission mechanism.
As optimization technique means: described support body includes base portion and case portion, described trailer attachment structure and case portion
It is assemblied in side by side on described pedestal.
As optimization technique means: described base portion and case portion are formed by steel plate bending, described power shaft and main shaft
It is assemblied in described case portion and base portion respectively by axle sleeve.
The beneficial effects of the utility model are: by being fixed on power shaft by fluted disc, brake dead bolt snap in fluted disc
Realizing brake in teeth groove, brake dead bolt directly can coordinate with fluted disc and makes structure complexity, stress shape without avoiding chain
Condition is good, and structural reliability is good；The sprocket wheel being additionally, since chain drive structure is not used in brake, damages thus without by brake weight, protects
The life-span of card chain-drive mechanism.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the Trailer traction device of this utility model strap brake mechanism；
Fig. 2 is the A-A direction view of structure shown in Fig. 1；
Fig. 3 is the enlarged diagram of braking mechanism in structure shown in Fig. 1；
Fig. 4 is the schematic diagram that in structure shown in Fig. 3, brake lever launches from support body；
Fig. 5 is the another kind of structural representation of the Trailer traction device of this utility model strap brake mechanism；
Label declaration in figure:
11-elastic clip, 12-base portion, 13-case portion；
02-main shaft；
03-traction wheel；
41-the first power shaft, 42-the second power shaft, 43-transmits axle, 44-the first drive sprocket, 45-the first driven chain
Wheel, 46-the second drive sprocket, 47-the second driven sprocket, 48-the 3rd drive sprocket, 49-the 3rd driven sprocket；
51-trailer attachment structure；52-trailer attachment structure；
61-fluted disc, 62-brakes dead bolt, 63-brake lever, 64-teeth groove, 65-spring, 66-guide holder, 67-gathering sill,
68-pin, 69-opening skewed slot.
Detailed description of the invention
Below in conjunction with Figure of description, this utility model is described further.
It is a kind of structural representation of the Trailer traction device of this utility model strap brake mechanism as shown in Figure 1-2, its bag
Include support body, the traction wheel 03 being assemblied on support body by main shaft 02 and being driven by chain transmission mechanism；
Diagram chain transmission mechanism shown in 1-2 has first power shaft the 41, second power shaft 42, the biography being assemblied on support body
Pass axle 43, the first power shaft 41 is fixed the first drive sprocket 44, the second power shaft 42 is fixed the first driven sprocket 45, second
Drive sprocket 46, transmission axle 43 fixes the second driven sprocket the 47, the 3rd drive sprocket 48, the 3rd driven sprocket 49 and traction wheel
03 coaxially assembles, and drive sprockets at different levels are little compared with driven sprocket diameter at the same level, pass through between drive sprockets at different levels and driven sprocket
Chain transmission torque, thus (such as manually rocking handle or electric tool) when from the first power shaft 41 input torque,
Order about driving wheel 03 by three grades of decelerations to rotate in order to breakdown trailer；Can also turn from the second power shaft input during concrete operations
Square；And chain transmission mechanism can also have more or less progression, the most only there is double reduction；And the 3rd is driven
Sprocket wheel transmits torque to the mode of driving wheel, can by rotate main shaft transmit (will main axis be assemblied in frame
On, the 3rd driven sprocket and driving wheel are fixed on main shaft)；Main shaft can also be fixed, by the 3rd driven sprocket and driving wheel
Fixing connect and being transferred on main shaft of rotating；Driving wheel can be arranged side by side two, the most only by the 3rd driven chain wheel belt
One of them driving wheel (such as referred to as drivewheel) to rotate, another driving wheel (such as referred to as driven pulley) then can be set to relatively
Certain angle is rotated to turn in drivewheel；
Support body is provided with to connect trailer attachment structure 51(of trailer and sees Fig. 1), 52(see Fig. 2) and for this
Utility model trailer traction mechanism braking braking mechanism, concrete, braking mechanism include fluted disc 61, brake dead bolt 62, can
Collapsing to support body and the brake lever 63 launched from support body, fluted disc 61 is fixed on the first power shaft so as to reliably stop
Car, fluted disc has the circumferentially distributed teeth groove 64 stretching into realization brake for brake dead bolt 62.
This Trailer traction device by being fixed on power shaft by fluted disc, brake dead bolt realizes in snapping in the teeth groove of fluted disc
Brake, brake dead bolt can directly coordinate with fluted disc make without avoiding chain structure complexity, force-bearing situation is good, and structure can
Good by property；The sprocket wheel being additionally, since chain drive structure is not used in brake, damages thus without by brake weight, it is ensured that Chain conveyer machine
The life-span of structure.
In order to realize the reliable fit of fluted disc and brake dead bolt, support body is provided with guide holder 66, and brake dead bolt 62 is scalable
Be assemblied in guide holder 66；The dead bolt 62 that brakes when brake lever 63 collapses to support body snaps in teeth groove 64, and the first power shaft 41 is subject to
Limit can not rotate, and then whole chain transmission mechanism and driving wheel all can not rotate, and Trailer traction device is braked, brake lever 63
When launching from support body, brake dead bolt 62 is deviate from from teeth groove 64, releases aforementioned braking, can be by the first power shaft or the
Two power shaft input torques order about driving wheel 03 and rotate breakdown trailer.According to this structure, connected by trailer attachment structure and drag
Car, the most as shown in Figure 4 one portable brake lever (turning on state), another hands is to the first power shaft or the second power shaft
Input torque, gets final product breakdown trailer, input torque turn to difference, direction that trailer moves is different.When needing braking, it is right to stop
Power shaft input torque, turns over brake lever bogie body (rounding state) as shown in Figure 3, can brake.
In order to coordinate the action of brake lever, brake dead bolt 62 on effect have spring 65, spring to brake dead bolt apply to
The elastic force that teeth groove moves；Guide holder 66 has two symmetrical gathering sills 67, and brake dead bolt 6 is provided with and is positioned at gathering sill 67
Pin 68, brake lever is provided with opening skewed slot 69；Brake lever collapses to pin 68 during support body and deviates from from opening skewed slot 69,
Brake dead bolt 62 is snapped in teeth groove 64 by the elastic force of spring 65 and realizes braking (seeing Fig. 3)；Sell when brake lever launches from support body
Son 68 slips into opening skewed slot 69, and brake dead bolt 62 overcomes the elastic force of spring 65 to deviate to release braking (seeing Fig. 4) from teeth groove 64.
As the structure of a kind of equivalent, in order to coordinate the action of brake lever, cam can be provided with on brake lever
(upper end as at brake lever)；On brake dead bolt, effect has spring, and spring applies to depart from the elastic force of teeth groove to brake dead bolt；
When brake lever collapses to support body, cam brake dead bolt order brake dead bolt snaps in teeth groove and realizes braking；Brake lever is from support body
Cam release brake dead bolt during upper expansion, brake dead bolt is borrowed the elastic force of spring to deviate from teeth groove and is released braking.
Concrete, for simple in construction and keep suitable elastic force, spring 65 is for being positioned at guide holder and being supported on brake
Helical pressure on dead bolt.
It is assemblied on guide holder as it can be seen, brake lever swings (as passed through bearing pin).When being embodied as, brake lever is also
(as passed through bearing pin) can be swung according to structure design be fit directly into support body or be attached on the accessory structure on support body.
Support body is provided with the elastic clip 11 for retraining brake lever.When in Trailer traction device, connection has trailer, bullet
Property folder brake lever can be constrained in curling position, Trailer traction device is in on-position, braking brake handle be difficult to because of meaning
Outer and Expansion Solution is except braking.When not using Trailer traction device, with elastic clip, brake lever is constrained in curling position and make to drag
Car traction apparatus is in on-position and is easy to deposit.
For the ease of manufacturing, support body includes that base portion 12 and case portion 13, trailer attachment structure and case portion are assemblied in base side by side
On seat.Base portion 12 and case portion 13 are formed by steel plate bending, and the first power shaft, the second power shaft are filled by axle sleeve respectively with main shaft
Fit over case portion and base portion.
Trailer attachment structure 51 shown in Fig. 1 is bulb attachment structure；It can also be the screw rod shown in Fig. 5 when being embodied as
Lowering or hoisting gear, sets contiguous block on screw lifting device, can be by this trailer attachment structure and trailer by securing member and clamping plate
Connect.
Claims (10)
1. the Trailer traction device of strap brake mechanism, including support body, is driven on support body and by chain transmission mechanism by spindle mounted
Dynamic traction wheel (03), described chain transmission mechanism has at least one power shaft being assemblied on described support body, described frame
Body is provided with trailer attachment structure and braking mechanism, it is characterized in that: described braking mechanism includes fluted disc (61), brake dead bolt
(62), can collapse to described support body and the brake lever (63) launched from described support body, described fluted disc (61) is fixed on one
On individual described power shaft, described fluted disc has the circumferentially distributed teeth groove stretching into realization brake for described brake dead bolt (62)
(64).
The Trailer traction device of strap brake mechanism the most according to claim 1, is characterized in that: described support body is provided with leads
To seat (66), described brake dead bolt (62) is telescopic to be assemblied in described guide holder (66), described brake lever
(63) the brake dead bolt (62) described in when collapsing to described support body snaps in described teeth groove (64), described brake lever (63)
Brake dead bolt (62) described in when launching from described support body is deviate from from described teeth groove (64).
The Trailer traction device of strap brake mechanism the most according to claim 2, is characterized in that: described brake dead bolt (62)
Upper effect has spring (65), and described spring (65) applies the bullet to described teeth groove (64) movement to described brake dead bolt (62)
Power；Described guide holder (66) has two symmetrical gathering sills (67), described brake dead bolt (62) be provided be positioned at described
Pin (68) in gathering sill (67), described brake lever (63) is provided with opening skewed slot (69)；Described brake lever
(63) pin (68) described in when collapsing to described support body is deviate from from described opening skewed slot (69), described brake dead bolt
(62) described teeth groove (64) is snapped in by the elastic force of described spring (65)；Described brake lever (63) is opened up from described support body
Pin (68) described in when opening slips into described opening skewed slot (69), and described brake dead bolt (62) overcomes described spring (65)
Elastic force is deviate from from described teeth groove (64).
The Trailer traction device of strap brake mechanism the most according to claim 2, is characterized in that: make on described brake dead bolt
With there being spring, described brake lever is provided with cam；Described brake dead bolt is applied to depart from described teeth groove by described spring
Elastic force；The brake described in dead bolt order of braking described in cam described in when described brake lever collapses to described support body
Dead bolt snaps in described teeth groove；The brake described in cam release described in when described brake lever launches from described support body
Dead bolt, described brake dead bolt borrows the teeth groove described in elastic force abjection of described spring.
The Trailer traction device of strap brake mechanism the most according to claim 3, is characterized in that: described spring (65) is position
In described guide holder and be supported on the helical pressure on described brake dead bolt.
The Trailer traction device of strap brake mechanism the most according to claim 2, is characterized in that: described brake lever (63)
Swing and be assemblied on described guide holder (66).
The Trailer traction device of strap brake mechanism the most according to claim 1, is characterized in that: described support body is provided with use
In the elastic clip (11) retraining described brake lever.
The Trailer traction device of strap brake mechanism the most according to claim 1, is characterized in that: described chain transmission mechanism is
Realize the transmission mechanism slowed down from described power shaft to described main shaft.
The Trailer traction device of strap brake mechanism the most according to claim 1, is characterized in that: described support body includes pedestal
Portion (12) and case portion (13), described trailer attachment structure and case portion are assemblied on described pedestal side by side.
The Trailer traction device of strap brake mechanism the most according to claim 9, is characterized in that: described base portion and case
Portion is formed by steel plate bending, and described power shaft and main shaft are assemblied in described case portion and base portion by axle sleeve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620422585.0U CN205661265U (en) | 2016-05-11 | 2016-05-11 | Take brake mechanism's trailer traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620422585.0U CN205661265U (en) | 2016-05-11 | 2016-05-11 | Take brake mechanism's trailer traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205661265U true CN205661265U (en) | 2016-10-26 |
Family
ID=57159785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620422585.0U Active CN205661265U (en) | 2016-05-11 | 2016-05-11 | Take brake mechanism's trailer traction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205661265U (en) |
-
2016
- 2016-05-11 CN CN201620422585.0U patent/CN205661265U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104071290B (en) | Motorcycle handle brake device with switch knob type parking mechanism | |
| JP2016510369A5 (en) | ||
| CN202716922U (en) | Novel wheel brake device | |
| CN205661265U (en) | Take brake mechanism's trailer traction device | |
| CN202294351U (en) | Floor lock locking device for automobile seat | |
| CN104097675B (en) | Shopping cart | |
| CN203925051U (en) | A kind of front door outer handle | |
| CN102975803A (en) | Electric vehicle convenient for carrying child | |
| CN204549699U (en) | There is the two-way automatic anti-running car speed limiter system of ratchet auto-reset function | |
| CN106347201B (en) | A kind of automobile-used capstan winch main machine structure and automobile-used capstan winch | |
| CN215650300U (en) | New material article show shelf that new material technology exhibition was used | |
| CN107650981B (en) | A kind of hand buggy | |
| CN112573395A (en) | Loading lifting equipment of shared bicycle transport truck | |
| CN208344041U (en) | A kind of transfer car(buggy) with anti-fall device | |
| CN107757759A (en) | Aid in wheeled support device and vehicle | |
| CN100501111C (en) | Stereo parking garage lifting platform auto-entering and exiting device with butting mechanism | |
| CN203279958U (en) | Suitcase with brake mechanism | |
| CN203925049U (en) | A kind of middle outside door handle | |
| CN207875829U (en) | A kind of bike safety guard using wheel bracket | |
| CN106314251A (en) | Automatic recovery type wheel-holding fastening device | |
| CN204037821U (en) | A kind of battery-driven car back brake locking device | |
| CN203358655U (en) | Baby carriage brake device | |
| CN205631995U (en) | But trailer traction device of motor drive | |
| CN103342134B (en) | A kind of braking device of baby carriage | |
| CN204549705U (en) | Ratchet can automatically reset unidirectional anti-running velocity limiter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |