CN206389776U

CN206389776U - A kind of use angle adjusting mechanism of handle and head

Info

Publication number: CN206389776U
Application number: CN201621379572.6U
Authority: CN
Inventors: 李爱良; 王健民
Original assignee: Ningbo Yisida Environmental Protection Machinery Ltd By Share Ltd
Current assignee: Ningbo Yisida Environmental Protection Machinery Ltd By Share Ltd
Priority date: 2016-12-15
Filing date: 2016-12-15
Publication date: 2017-08-11
Anticipated expiration: 2026-12-15

Abstract

The utility model discloses a kind of handle and the use angle adjusting mechanism of head, it can be arranged on the afforestation electric tools such as the electric grass mowing equipment with longer action bars, and the use angular adjustment between handle and head is provided, the handle end is provided with the clutch disk being rotatably connected on head, and the gear groove of multiple circle distributions is provided with clutch disk outer circumference surface, the shift fork for making elastic pushing tow by torsion spring is provided with head again, and head is provided with exposed, with the button of shift fork formation linkage, therefore the elastic pushing tow under normality by torsion spring causes shift fork lower end to be fitted in all the time in gear groove, so as to realize the locking using angle；Shift fork is driven to interlock with the rotation when stepping on button by pin, the shift fork lower end will depart from gear groove so that handle realizes that the regulation of rotational angle is operated with head；Therefore, the use angle adjusting mechanism of this handle and head avoids manually operated trouble, and it is simple to operate, using relatively reliable.

Description

A kind of use angle adjusting mechanism of handle and head

Technical field

The utility model is related to a kind of use angle adjusting mechanism of electric tool, and especially a kind of handle and head make Use angle adjusting mechanism.

Background technology

At present, afforestation electric tool, such as electric grass mowing equipment all include handle and head, and existed to meet head The use of all angles needs, and all can be specifically in handle end using the frame mode for rotating connection between handle and head Provided with a clutch disk, be rotatably connected on by the jointed shaft of clutch disk circle centre position on head, in order to realize handle with Angular adjustment operation between head, need to design shift structure toward contact on clutch disk, be then accordingly additionally provided with head Movable part realizes the locking using angle to be fitted on shift structure.

And the movable part designed on head is essentially divided into two kinds：The first is to replace jointed shaft by tooth axle and directly pacify The rotation articulated elements and angle locking between handle and head are used as mounted in clutch disk circle centre position, that is, using tooth axle simultaneously Part, because tooth axle assume responsibility for two kinds of functions simultaneously, therefore requires higher for its use intensity, damages existing using frequently easily existing As；Second is, provided with the saddle moved horizontally, multiple circles need to be accordingly provided with the outer circumference surface of clutch disk on head The gear teeth of week distribution, is equipped with by the selection of the saddle that moves horizontally and multiple gear teeths, finally realizes handle and head Using angular adjustment and locking, this horizontal shift structure is higher for the design requirement of horizontal slide rail, but electric grass mowing equipment etc. Afforestation electric tool is generally in more severe use environment, therefore horizontal slide rail is easy to by impurity such as grass cuttings, dusts Gambling plug, so as to cause saddle stuck phenomenon.

In addition, above two governor motion is all manually operated, uses every time and be required for squatting down or head is carried paramount Place, and head work after often adhere to it is substantial amounts of dirty, such as electric grass mowing equipment head can adhere to grass cuttings, dust, sewage and Mud mark etc., then directly operate governor motion easily to pollute the hand of cleaning, give people using making troubles with hand.

The content of the invention

Technical problem to be solved in the utility model is the defect for overcoming prior art and providing a kind of need to pass through Pin, which steps on operation, can carry out the use angle adjusting mechanism of a kind of handle and head using angular adjustment, and this use angle is adjusted Save mechanism it is simple to operate, using reliable, preferably solve manually operated trouble.

Technical problem of the present utility model is achieved through the following technical solutions：

A kind of use angle adjusting mechanism of handle and head, is mostly installed between handle and head, the end of the handle Portion is provided with the clutch disk being rotatably connected on head, and described clutch disk outer circumference surface is provided with the shelves of multiple circle distributions The shift fork being hinged in position groove, described head provided with middle part, head is provided with exposed button, and the button, which is pressed, to be operated and push away Dynamic shift fork upper end is rotated, and drives the selection of shift fork lower end to be fitted in multiple gear grooves, to realize making for handle and head Use angular adjustment.

Described shift fork lower end is provided with the latch hook of equipped gear groove.

Latch hook provided with shift fork lower end described in elastic pushing tow in described head is fitted in the torsion spring in gear groove.

Described shift fork upper end is provided with inclined arched top pushing surface, and described button the inner is provided with the push rod extended internally, The push rod lower end slide lines are in arched top pushing surface.

The spring being displaced outwardly in described head provided with elastic top button push.

The discoid connecting seat being equipped with the clutch disk, described clutch disk excircle are provided with described head Face is provided with limit convex, is accordingly realized on connecting seat provided with the cooperation limit convex using the spacing stopper slot of angular turn.

Compared with prior art, the utility model is mainly on clutch disk outer circumference surface provided with multiple circle distributions Gear groove, then the shift fork for making elastic pushing tow by torsion spring is provided with head, and head links provided with the formation of exposed and shift fork Button, therefore the elastic pushing tow under normality by torsion spring causes shift fork lower end to be fitted in all the time in gear groove, and angle is used so as to realize The locking of degree；When by pin step on button drive shift fork interlock with the rotation, the shift fork lower end will depart from gear groove so that handle and Head realizes the regulation operation of rotational angle；Once the pressing force in release button, shift fork lower end can be fitted in new again again In gear groove, to lock new use angle；Therefore, the use angle adjusting mechanism of this handle and head is avoided that manual behaviour The trouble of work, and it is simple to operate, using relatively reliable.

Brief description of the drawings

Fig. 1 is cross section structure diagram of the present utility model（Lock-out state）.

Fig. 2 is cross section structure diagram of the present utility model（Use angle adjustable mode of operation）.

Fig. 3 is exploded view of the present utility model.

Fig. 4 is four structural representations using angle of the utility model.

Fig. 5 is installation electric grass mowing equipment structural representation of the present utility model.

Embodiment

The utility model embodiment will again be elaborated by above-mentioned accompanying drawing below.

As shown in Fig. 1 ~ Fig. 5,1. handles, 11. clutch disks, 12. gear grooves, 13. limit convexes, 2. heads, 21. connections Seat, 22. stopper slots, 3. shift forks, 31. latch hooks, 32. arched top pushing surfaces, 4. springs, 5. buttons, 51. push rods, 6. torsion springs, 7. pins Son.

A kind of use angle adjusting mechanism of handle and head, can be arranged on the electricity as shown in Figure 5 with longer action bars On the afforestation electric tools such as dynamic grass-mowing machine, and provide use angular adjustment and locking between handle 1 and head 2.

The described end of handle 1 is provided with clutch disk 11, and the clutch disk is rotatably connected on by the jointed shaft of circle centre position On discoid connecting seat 21 in head 2, therefore cause to form relative rotation between handle 1 and head 2 by jointed shaft；Described The outer circumference surface of clutch disk 11 is provided with the gear groove 12 of multiple circle distributions, and each gear groove represents handle 1 with respect to head 2 One of them use angle, the present embodiment altogether provided with four gear grooves 12, then represent respectively as shown in Figure 40 °, 22.5 °, 45 °, 67.5 ° of this fourth gear use angle.

Shift fork 3 is provided with described head 2, the shift fork is hinged turntable, shift fork 3 by the formation of pin 7 at middle part Upper end is provided with tilting Cheng " ╮ " the arched top pushing surface 32 of type, the lower end of shift fork 3 is provided with latch hook 31；Meanwhile, it is additionally provided with elasticity in head 2 The torsion spring 6 of the lower end of pushing tow shift fork 3, therefore enabled the latch hook 31 of the lower end of shift fork 3 as shown in Figure 1 all the time by torsion spring pushing tow under normality It is fitted in gear groove 12, so as to realize the use angle locking of handle 1 and head 2.

Described head 2 is provided with button 5, is specifically to be arranged on button 5 is exposed in the preformed hole of the top surface of head 2, presses Button 5 can prevent it from being come off from preformed hole provided with drop-proof structure, and button 5 is inner provided with push rod 51 that is inside, extending downwardly, should Push rod lower end slide lines also are provided with elastic top button push 5 and outwards, i.e. moved up in arched top pushing surface 32 in head 2 Spring 4, therefore caused the button 5 under normality to remain at the state of outwardly convex by spring push.

Operating process of the present utility model is as follows：Press down on button 5 and promote the lower end of push rod 51 along arched top pushing surface 32 Move down, with regard to the upper end of shift fork 3 can be driven to rotate, the corresponding latch hook 31 for causing shift fork lower end departs from gear groove 12 as shown in Figure 2, Now operation handle 1 and the relative rotation of head 2, and make both in suitably angle is used, then discharge pressing force, button 5 Resetted by the automatic pushing tow of spring 4, latch hook 31 is also fitted in new gear groove 12 by the automatic pushing tow of torsion spring 6, realization newly uses angle The locking of degree, so that the use angular adjustment for completing handle 1 and head 2 is operated.

In addition, the outer circumference surface of clutch disk 11 is provided with limit convex 13, stopper slot 22 is accordingly provided with connecting seat 21, when Handle 1 is relatively rotated with head 2, and the limit convex 13 just can only enter line slip in the length range that stopper slot 22 is limited, from And realize the rotary spacing using angle.

Described above is only specific embodiment of the utility model, it should be appreciated by those skilled in the art that any and reality The equivalent structure design of example is applied, be should be included within protection domain of the present utility model.

Claims

1. the use angle adjusting mechanism of a kind of handle and head, is mostly installed at handle（1）With head（2）Between, the handle （1）End provided with being rotatably connected on head（2）On clutch disk（11）, it is characterised in that described clutch disk（11）Outside Periphery is provided with the gear groove of multiple circle distributions（12）, described head（2）The interior shift fork being hinged provided with middle part（3）, machine Head（2）It is provided with exposed button（5）, the button, which is pressed, to be operated and promotes shift fork（3）Upper end is rotated, and drives shift fork（3） Lower end selection is fitted in multiple gear grooves（12）It is interior, to realize handle（1）With head（2）Use angular adjustment.

2. the use angle adjusting mechanism of a kind of handle according to claim 1 and head, it is characterised in that described dials Fork（3）Lower end is provided with equipped gear groove（12）Latch hook（31）.

3. the use angle adjusting mechanism of a kind of handle according to claim 2 and head, it is characterised in that described machine Head（2）It is interior to be provided with shift fork described in elastic pushing tow（3）The latch hook of lower end（31）It is fitted in gear groove（12）Interior torsion spring（6）.

4. the use angle adjusting mechanism of a kind of handle according to claim 1 and head, it is characterised in that described dials Fork（3）Upper end is provided with inclined arched top pushing surface（32）, described button（5）The inner is provided with the push rod extended internally（51）, should Push rod lower end slide lines are in arched top pushing surface（32）On.

5. the use angle adjusting mechanism of a kind of handle according to claim 1 and head, it is characterised in that described machine Head（2）It is interior to be provided with elastic top button push（5）The spring being displaced outwardly（4）.

6. the use angle adjusting mechanism of a kind of handle according to claim 1 and head, it is characterised in that described machine Head（2）It is interior to be provided with and the clutch disk（11）Equipped discoid connecting seat（21）, described clutch disk（11）Excircle Face is provided with limit convex（13）, accordingly in connecting seat（21）Provided with the cooperation limit convex（13）Realization is limited using angular turn The stopper slot of position（22）.