CN207848188U - A kind of double flexible shaft controllers to automatically reset - Google Patents

Abstract

The utility model belongs to technical field of vehicle control, relate generally to a kind of double flexible shaft controllers to automatically reset, including handle and coupling block, coupling block side and the flexural pivot of horizontally disposed fixing axle, coupled axle-pin A and coupled axle-pin B are hinged, the other end of fixing axle is fixedly connected with the casing, the other end of coupled axle-pin A and coupled axle-pin B are connect with control shaft A and control shaft B respectively, and the lower section of control shaft A and control shaft B are connect with flexible axle A and flexible axle B respectively.The flexible shaft controller of the utility model controls two flexible axles simultaneously using a handle, simple to operate, operating personnel need not move back and forth between two handles, it greatly reduces operation difficulty and reduces the probability of maloperation, and is small easy for installation, save space；Resetting apparatus is additionally provided on controller, handle is reset to centre position by elastic force automatically after release handle, does not need manual reset, easy to operate.

Description

A kind of double flexible shaft controllers to automatically reset

Technical field

The utility model belongs to technical field of vehicle control, relates generally to a kind of double flexible shaft controllers to automatically reset.

Background technology

In recent years with the rapid development of construction machinery industry, the update of vehicle and weed out the old and bring forth the new it is increasingly rapid, User requires to step up to the driver comfort of vehicle, and the multi-way valve operation of engineering truck needs two handles controls two soft Axis goes to drive two groups of hydraulic valves, as application No. is CN201520395802.7《It is a kind of to be used for the soft of loading machine multi-way valve manipulation Axis controller》, it is a kind of for loading machine multi-way valve manipulate flexible shaft controller include raising rod, rotating bucket pull rod, mounting plate, turn Struggle against flexible axle and promotion flexible axle, and the upper end of the raising rod and the upper end of rotating bucket pull rod are handle；Using raising rod and turn Bucket two pull rods of pull rod control two with flexible axle, to two groups of hydraulic valves of control respectively.

But this design needs ceaselessly to toggle between two handles in operation, increases driver Fatigability, while two handles increase the external form volume of mechanism, are not easy to install.

Application No. is CN201220519605.8's thus《Crawler tractor speed changing box booster manipulation device》In patent, Propose this problem：" currently, it is mostly directly to manipulate that crawler tractor gearbox, which manipulates, i.e., control stick directly stirs slide bar Realize shift.Due to the influence of the factors such as transmission internal structure, directly manipulates shift and need larger dynamics, manipulated if lengthening Bar, then the stroke increase of control stick, easily encounters driver leg；Simultaneously as being limited by gearbox location so that manipulate position Set with the more difficult arrangement of the relative position of seat, bring very big inconvenience to pilot control.Thus, it is necessary to research and develop a kind of manipulate gently It can lean on, control run is reasonable, and actuated position is easy the novel manipulation device of arrangement, reaches that shift control is light, reliable mesh ".

But in the patent：The front and back shift throw flexible axle of double flexible shaft manipulation assemblies and the piston rod of sensor unit connect It connects, left and right transposition pushing-pulling flexible shaft is connect with the transposition upper rocker arm on main transformer speed upper cover installation assembly.Front and back shift will be used by only saying It replaces with left and right, but without saying specifically how to realize that the front and back of monolever and left and right control different flexible axles respectively.

When controlling vehicle using controller, it is often necessary to carry out Manual reset operation, but flexible axle control to operation handle Device processed is different from conventional linkage controller, and connecting rod belongs to rigid connection, can apply reaction force to handle and handle is helped to reset, soft Axis applies reaction force without normal direction handle, this just needs to increase resetting apparatus in controller itself.

Invention content

To solve to need to control two flexible axles respectively using two handles in conventional truck control, operating difficulties and do not have It is to propose a kind of double flexible shaft controllers to automatically reset to have the technical issues of resetting apparatus, the purpose of this utility model.

In order to solve the above technical problems, the technical solution adopted in the utility model is：A kind of double flexible axles to automatically reset Controller, including the coupling block of sequentially connected handle and the connection of handle lower section from top to bottom, there are three the settings of coupling block side Flexural pivot set, three flexural pivot sets are hinged with the flexural pivot of horizontally disposed fixing axle, coupled axle-pin A and coupled axle-pin B respectively, coupled axle-pin A and the flexural pivot center line line of fixing axle and the flexural pivot center line line of coupled axle-pin B and fixing axle are orthogonal, Gu The other end of dead axle is fixedly connected with the casing, and the other end of coupled axle-pin A and coupled axle-pin B connect with control shaft A and control shaft B respectively It connects, the lower section of control shaft A and control shaft B are connect with flexible axle A and flexible axle B respectively, open that there are two for installing control shaft A on shell With control shaft B through-holes, the resetting apparatus returned afterwards axially movable for drive control axis A and control shaft B is provided in through-hole.

Further, resetting apparatus uses offsetting spring structure, and the both ends of resetting spring are in stationary state and in shell Convex edge contact, compression end is contacted with the shaft shoulder of control shaft A or control shaft B when compressive state.

Further, control shaft A and control shaft B interlude diameters are less than both ends diameter, and axis is provided at diameter transition Shoulder, the interior position corresponding with the shaft shoulder of shell is provided with convex edge, resetting spring is cased with outside control shaft A and control shaft B interludes, multiple Position both ends of the spring is provided with spring base, and the diameter at control shaft A and the both ends control shaft B is more than the internal diameter of spring base, is less than spring base Outer diameter.

Further, the interior of shell is provided with axle sleeve, and axle sleeve is sleeved on control shaft A and the both ends control shaft B are relatively large in diameter place.

Further, coupling block uses cross section for L-shaped, and the right angle of L is connected and fixed axis, divides on two right-angle sides of L It Lian Jie not control shaft A and control shaft B.

Two sides L of coupling block are double-layer structure, and the hole of fixed flexural pivot set is provided between two layers.

Further, double flexible shaft controllers further include retaining mechanism.

Further, retaining mechanism includes the locking plate on shell, and control shaft A and control shaft B are corresponded to and be provided with energy at locking plate Locking plate is enough allowed to be inserted into groove.

Further, retaining mechanism further includes the spring and steel ball being arranged in shell blind hole, and locking plate is corresponded to and set at steel ball Be equipped with can the recess of accommodating portion steel ball two, so that locking plate is being opened and latched position positioning.

Further, coupled axle-pin B is connect with control shaft B using flexural pivot.

Advantageous effect

The flexible shaft controller of the utility model controls two flexible axles, simple to operate, operation simultaneously using a handle Personnel need not move back and forth between two handles, greatly reduce operation difficulty and reduce the probability of maloperation, and volume It is small easy for installation, save space；Resetting apparatus is additionally provided on controller, during elastic force automatically resets to handle after release handle Between position, do not need manual reset, it is easy to operate, while being provided with locking device on the controller, can lock when not in use Maloperation tightly is prevented, securely and reliably.

Description of the drawings

Fig. 1 is the front view of the utility model；

Fig. 2 is the C-C of the utility model front view to sectional view.

It is marked in figure：

1- handles, 2- coupling blocks, 3- flexural pivots set, 4- fixing axles, 5- coupled axle-pin A, 6- coupled axle-pin B, 7- shell, 8- control shafts A, 9- control shafts B, 10- flexible axle A, 11- flexible axle B,

12- resetting apparatuses, 1201- resetting springs, 1202- spring bases,

13- axle sleeves,

14- retaining mechanisms, 1401- locking plates, 1402- springs, 1403- steel balls.

Specific implementation mode

The utility model is further described below in conjunction with the accompanying drawings.

As depicted in figs. 1 and 2, a kind of double flexible shaft controllers to automatically reset, including sequentially connected handle 1 from top to bottom The coupling block 2 connected with 1 lower section of handle, there are three flexural pivots to cover 3 for the setting of 2 side of coupling block, and three flexural pivot sets 3 are set with level respectively The flexural pivot of the fixing axle 4, coupled axle-pin A5 and the coupled axle-pin B6 that set are hinged, the flexural pivot center of coupled axle-pin A5 and fixing axle 4 Line line and coupled axle-pin B6 and the flexural pivot center line line of fixing axle 4 are orthogonal, the other end and the shell 7 of fixing axle 4 It is fixedly connected, the other end of coupled axle-pin A5 and coupled axle-pin B6 are connect with control shaft A8 and control shaft B9 respectively, control shaft A and control The lower section of axis B is connect with flexible axle A10 and flexible axle B11 respectively, opens that there are two for installing control shaft A8 and control shaft B9 on shell 7 Through-hole is provided with the resetting apparatus 12 returned afterwards axially movable for drive control axis A8 and control shaft B9 in through-hole.

Further, resetting apparatus 12 uses 1201 structure of resetting spring, and the both ends of resetting spring 1201 are in stationary state When with 7 liang of end in contact of shell, compression end is contacted with the shaft shoulder of control shaft A8 and control shaft B9 when compressive state；Control shaft A8 and control Axis B9 processed is less than both ends diameter in 7 interlude diameter of shell, and the shaft shoulder is provided at diameter transition, opposite with the shaft shoulder in shell 7 The position answered is provided with convex edge, and resetting spring 1201,1201 liang of resetting spring are cased with outside control shaft A8 and control shaft B9 interludes It holds and is provided with spring base 1202, the diameter at control shaft A8 and the both ends control shaft B9 is more than the internal diameter of spring base 1202, is less than spring 1202 outer diameters of seat.

Further, axle sleeve 13 is provided in the through-hole of shell 7, axle sleeve 13 is sleeved on control shaft A8 and the both ends control shaft B9 are straight Diameter larger part, axle sleeve are made of self-lubricating material, can greatly reduce the friction of control shaft A8 and control shaft B9 and shell 7.

Further, coupling block 2 preferably uses cross section to be L-shaped, and the right angle of L is connected and fixed axis 4, and two of L are straight Control shaft A8 and control shaft B9 are separately connected on the arm of angle.

Further, double flexible shaft controllers further include retaining mechanism 14, and retaining mechanism 14 includes the locking plate on shell 7 1401, control shaft A8 and control shaft B9, which correspond to be provided at locking plate 1401, can allow locking plate 1401 to be inserted into groove；In 7 blind hole of shell Spring 1402 and steel ball 1403, locking plate 1401 correspond to be provided at steel ball 1403 can the recess of accommodating portion steel ball two, make Locking plate 1401 can opened and latched position positioning.

Further, coupled axle-pin B6 is connect with control shaft B9 using flexural pivot, can be reduced because being generated when coupled axle-pin B6 rotates, The radial displacement for making control shaft B9 generate.

When work, operating personnel hold handle ball 1, move handle 1 to the left as shown in Figure 1, handle 1 drive coupling block 2 around The globular hinge head of fixing axle 4 rotates counterclockwise, and coupled axle-pin B6 can be even pulled upwardly, to which coupled axle-pin B6 drives control shaft B9 It is pulled upwardly with flexible axle B11, while the shaft shoulder face below control shaft B9 pushes lower spring cup 1202 to move up, resetting spring 1201 are compressed, and resetting spring 1201 is pressed downward that handle is made to reset after loosing one's grip.

Move handle 1 to the right as shown in Figure 1, handle ball 1 drives coupling block 2 clockwise around the globular hinge head of fixing axle 4 Rotation, coupled axle-pin B6 can be coupled block 2 and release downwards, and coupled axle-pin B6 drives control shaft B9 and flexible axle B11 to release downwards, same to time control Shaft shoulder face above axis B9 processed pushes upper spring seat 1202 to move down, and resetting spring 1201 is compressed, resetting spring after loosing one's grip 1201 upward tops make handle reset.

Move handle 1 upwards as shown in Figure 2, handle ball 1 drives coupling block 2 to be rotated around the globular hinge head 6 of fixing axle 4, Coupled axle-pin A5 can be coupled block 2 and be pulled upwardly, and to which coupled axle-pin A5 drives control shaft A8 flexible axles A10 to be pulled upwardly, control simultaneously Shaft shoulder face below axis A8 pushes lower spring cup 1202 to move up, and resetting spring 1201 is compressed, resetting spring after loosing one's grip 1201 are pressed downward that handle is made to reset.

Move handle 1 downwards as shown in Figure 2, handle ball 1 drives coupling block 2 to be rotated around the globular hinge head 6 of fixing axle 4, Coupled axle-pin A5 can be coupled block 2 and release downwards, to which coupled axle-pin A5 drives control shaft A8 flexible axles A10 to release downwards, control simultaneously Shaft shoulder face above axis A8 pushes upper spring seat 1202 to move down, and resetting spring 1201 is compressed, resetting spring after loosing one's grip 1201 upward tops make handle reset.

Left and right moves handle ball 1 and controls flexible axle B11 in operation, and front and back handle ball 1 of moving controls flexible axle A10, one-handed performance Simple and convenient, operating personnel need not move back and forth between two handles, greatly reduce operation difficulty and reduce maloperation Probability.

After the completion of operation, it is desirable to locking controller prevents maloperation, and locking plate 1401 is inwardly pushed in, as shown in Figure 1 from Dotted line position pushes away solid line position, and locking plate 1401 is inserted into the groove that control shaft A8 and control shaft B9 are opened, make control shaft A8 and Control shaft B9 can not be moved up and down, to lock controller, simultaneously because steel ball 1403 enters under the thrust of spring 1402 In the groove of locking plate 1401, locking plate 1401 is fixed on locked position, and when operation pulls out locking plate 1401.

Embodiment provided above is the better embodiment of the utility model, only is used for facilitating illustrating the utility model, and It is non-to impose any limitation on the present invention, any those of ordinary skill in the art, if not departing from In the range of the carried technical characteristic of the utility model, locally changes or repair using made by the utility model disclosed technology content The equivalent embodiment of decorations, and without departing from the technical characteristics of the utility model content, still fall within the utility model technical characteristic Protection domain in.

Claims (10)

1. a kind of double flexible shaft controllers to automatically reset, it is characterised in that：Including sequentially connected handle from top to bottom（1）And hand Handle（1）The coupling block of lower section connection（2）, coupling block（2）There are three flexural pivot sets for side setting（3）, three flexural pivot sets（3）Respectively with Horizontally disposed fixing axle（4）, coupled axle-pin A（5）With coupled axle-pin B（6）Flexural pivot it is hinged, coupled axle-pin A（5）With fixing axle （4）Flexural pivot center line line and coupled axle-pin B（6）With fixing axle（4）Flexural pivot center line line it is orthogonal, Gu Dead axle（4）The other end and shell（7）It is fixedly connected, coupled axle-pin A（5）With coupled axle-pin B（6）The other end respectively with control shaft A （8）With control shaft B（9）Connection, the lower section of control shaft A and control shaft B respectively with flexible axle A（10）With flexible axle B（11）Connection, shell （7）On open that there are two for installing control shaft A（8）With control shaft B（9）Through-hole is provided with for drive control axis A in through-hole （8）With control shaft B（9）The resetting apparatus returned afterwards axially movable（12）.

2. a kind of double flexible shaft controllers to automatically reset according to claim 1, it is characterised in that：The resetting apparatus （12）Using resetting spring（1201）Structure, resetting spring（1201）Both ends in stationary state and shell（7）Interior convex edge Contact, compression end and control shaft A when compressive state（8）With control shaft B（9）The shaft shoulder contact.

3. a kind of double flexible shaft controllers to automatically reset according to claim 2, it is characterised in that：The control shaft A（8） With control shaft B（9）Interlude diameter is less than both ends diameter, and the shaft shoulder is provided at diameter transition, shell（7）It is interior opposite with the shaft shoulder The position answered is provided with convex edge, control shaft A（8）With control shaft B（9）It is cased with resetting spring outside interlude（1201）, resetting spring （1201）It is provided at both ends with spring base（1202）, control shaft A（8）With control shaft B（9）The diameter at both ends is more than spring base（1202） Internal diameter, be less than spring base（1202）Outer diameter.

4. a kind of double flexible shaft controllers to automatically reset according to claim 3, it is characterised in that：The shell（7）'s Axle sleeve is provided in through-hole（13）, axle sleeve（13）It is sleeved on control shaft A（8）With control shaft B（9）Both ends are relatively large in diameter place.

5. a kind of double flexible shaft controllers to automatically reset according to claim 1, it is characterised in that：The coupling block（2） Use cross section for L-shaped, the right angle of L is connected and fixed axis（4）, control shaft A is separately connected on two right-angle sides of L（8）And control Axis B processed（9）.

6. a kind of double flexible shaft controllers to automatically reset according to claim 5, it is characterised in that：The coupling block（2） Two sides L be double-layer structure, fixed flexural pivot set is provided between two layers（3）Hole.

7. a kind of double flexible shaft controllers to automatically reset according to claim 1, it is characterised in that：Double flexible axle controls Device further includes retaining mechanism（14）.

8. a kind of double flexible shaft controllers to automatically reset according to claim 7, it is characterised in that：The retaining mechanism （14）Including shell（7）On locking plate（1401）, control shaft A（8）With control shaft B（9）Corresponding locking plate（1401）Place is provided with energy Enough allow locking plate（1401）It is inserted into groove.

9. a kind of double flexible shaft controllers to automatically reset according to claim 8, it is characterised in that：The retaining mechanism （14）Further include being arranged in shell（7）Spring in blind hole（1402）And steel ball（1403）, locking plate（1401）Corresponding steel ball （1403）Place be provided with can the recess of accommodating portion steel ball two, make locking plate（1401）It can open and latched position positioning.

10. a kind of double flexible shaft controllers to automatically reset according to claim 1, it is characterised in that：The coupled axle-pin B （6）With control shaft B（9）It is connected using flexural pivot.