CN204897377U - Distributor handle - Google Patents

Abstract

The utility model provides a distributor handle belongs to drinks and drinks equipment technical field. It is great that it has solved current casing swing frictional force, operates the problem of feeling relatively poor. This distributor handle, including the linking arm, the telescopic link, swing span and casing, the casing has the cavity, and one end has the opening, the one end of linking arm is the tubulose, the casing is articulated mutually with the linking arm, the telescopic link slides and pegs graft in the linking arm, the swing span has two platelike connection lateral parts and connects the bottom, two one end of connecting the lateral part articulate on the cavity inside wall, it is located the other end of connecting the lateral part to connect the bottom, and the one end swing of stretching into the cavity with the telescopic link is connected, cavity double -phase to all having spacing protruding edge on the inside wall, the lateral wall of connecting the lateral part supports by last on spacing protruding edge. This distributor handle can avoid the casing to appear rocking in operation process for the casing swing is more stable, and the operation feels better.

Description

A kind of distributing box handle

Technical field

The utility model belongs to drinks and drinks equipment technical field, relates to a kind of distributing box handle.

Background technology

Distributing box is connected to barrel of beer top to coordinate with the wine lance in barrel of beer, by the device that the drinks in barrel of beer are drawn.Operating personal pulls the handle on distributing box, and the wine pipe in distributing box can be driven to do telescopic moving, and gas is entered in fat through distributing box and wine lance successively, thus is extruded by the drinks in fat.

As Chinese utility model patent application (application number: the handle 201120568434.3) disclosing a kind of Valve for beer barrel, belongs to field of mechanical technique.It solve the unhandy problem of existing Valve for beer barrel.The handle of this Valve for beer barrel, one end of handle is coupling end, the other end of handle is the grip part gripped for operator, coupling end takes the shape of the letter U, inside, grip part is provided with push rod, spring is provided with between expansion link and grip part, there is in the elastic force effect lower push rod end of spring the trend of the U-shaped indent of stretching out grip part and being positioned at coupling end, swing span is driven to swing by housing in this structure, the swing of swing span can drive push rod to stretch, thus to the locking of whole handle whether to realize push rod, but in actual mechanical process, opposing oscillatory is needed between swing span and housing, if there is between above-mentioned case inside wall and swing span sidewall gap will cause occurring rocking in housing swing process, the contact and if both fit, housing will be caused to swing friction force larger, operating handle is poor.

Summary of the invention

The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of distributing box handle, and this distributing box handle can avoid housing to occur in operation rocking, and housing is swung more stable, operating handle is better.

The purpose of this utility model realizes by following technical proposal: a kind of distributing box handle, comprise connecting arm, expansion link, swing span and housing, described housing has cavity, and one end has opening, one end of described connecting arm in a tubular form and insert cavity, described housing has one end of opening and connecting arm is hinged, described expansion link sliding plug is in connecting arm, and cavity is stretched in one end of expansion link, it is characterized in that, described swing span has the connection sidepiece of two tabulars and connects bottom the connection between sidepiece two, the one end connecting sidepiece described in two is hinged on cavity madial wall, and the cavity madial wall of the side of each connection sidepiece all with corresponding is relative, the described bottom that connects is positioned at the other end connecting sidepiece, and swing with one end that expansion link stretches into cavity and be connected, two relative madial walls of described cavity all has limit convex edge, the sidewall of described connection sidepiece is resisted against limit convex along upper.

One end of connecting arm in a tubular form and insert in housing, the other end takes the shape of the letter U, for being hinged on wine lance, the break-make realizing wine thatch is swung up and down by the relative wine thatch of connecting arm, wine thatch also has positioning groove, the cavity of housing is stretched in one end of expansion link, the other end stretches out connecting arm, expansion link is arranged with spring, under the action of the spring, can be resisted against in positioning groove when the relative connecting arm of expansion link stretches out, realize the locking to whole housing, now housing is difficult to swing, wine thatch is in closure state, and when pressing housing, the relative connecting arm of housing swings, the swing of housing can make swing span swing, swing span drives expansion link overcome the elastic force of spring and move axially, namely in expansion link retraction connecting arm, now the end of expansion link departs from the positioning groove of wine thatch, remove the locking to housing, further pressing housing can opening wine thatch, limit convex is along being strip projection, also can be block-shaped protrusion, limit convex is along the edge being then block-shaped protrusion, connect between the lateral wall of sidepiece and the madial wall of cavity and there is gap, this gap is avoided connecting the lateral wall of sidepiece and the madial wall of cavity and is directly contacted that to cause housing to swing friction force excessive, limit convex is along the both sides laying respectively at swing span, namely limit convex is along between connection sidepiece lateral wall and cavity madial wall, one connects the lateral wall of sidepiece with the limit convex in the cavity sidewalls of side along relative, limit convex along in housing swing process can with the lateral wall being connected sidepiece to against, position-limiting action is played to housing, housing is avoided to occur rocking, housing is swung more stable, simultaneously because limit convex is along little with the area of contact be connected between sidepiece lateral wall, therefore friction force is between the two little, operating handle is also better.

In above-mentioned distributing box handle, described limit convex is along all curved, and limit convex edge is to connect the hinge-point of sidepiece and cavity madial wall for the center of circle.Swing span needs the hinge-point around connecting sidepiece and cavity madial wall to swing in operation, therefore the contact surface on sidepiece and limit convex edge is connected also in rectangular arc, and with the hinge-point connecting sidepiece and cavity madial wall for the center of circle, namely the contact surface position connecting sidepiece and limit convex edge is fixed, even if the lateral wall connecting sidepiece in Long-Time Service process limited convex edge wearing and tearing, also fixing smooth contact surface can be produced on the lateral wall connecting sidepiece, there is provided guiding to the swing of swing span on the contrary, make operating handle better.

In above-mentioned distributing box handle, the limit convex on described cavity two madial wall is along being symmetrical arranged.Namely limit convex is along even to the position-limiting action power of housing both sides, also avoids the limit convex edge of certain side or connects sidepiece lateral wall undue wear, ensureing that housing swings stability.

In above-mentioned distributing box handle, described limit convex edge is by the consistency of thickness of one end to the other end.Namely limit convex is along even to the position-limiting action power of housing, avoids the change in friction force in operation between limit convex edge and housing, ensures that housing swings stability and operating handle traveling comfort.

In above-mentioned distributing box handle, the thickness on described limit convex edge is increased to the other end gradually by one end, when swing span in the raw time, connect sidepiece relative along one end that thickness is less with limit convex.Namely when not using, when housing being locked in the positioning groove that namely expansion link is resisted against wine thatch, connect sidepiece relative along one end that thickness is less with limit convex, when housing swings, in swing process, limit convex along gradually with the lateral wall being connected sidepiece against, and against application force increase gradually, when dischargeing housing, spring can make expansion link, swing span and housing reset, the side on above-mentioned limit convex edge has the component promoted along the less one end of thickness to limit convex to swing span, the reset that this component contributes to swing span swings, namely this component combines with spring and housing is resetted, ensure the stability that housing reset swings, be only operating process during hand pressing housing simultaneously, namely limit convex edge increases the spacing power to housing gradually in this process, the stability that operating process middle shell is swung increases gradually, operating process feel is better.

In above-mentioned distributing box handle, the limit convex on described cavity two madial wall is two along quantity, and the two ends on limit convex edge extend to two edges of cavity madial wall.Namely connect sidepiece and there are with housing 2 place's position-limiting action points along its length, housing is swung more stable, certainly in the actual course of processing, the each madial wall of cavity only can arrange a limit convex edge, also the restraining ability to housing is possessed, article three, limit convex swings to housing the friction force brought to the position-limiting action of housing and limit convex edge along then needing comprehensive evaluation limit convex edge time even more, it is comparatively stable that selection makes housing swing, the mode that friction force is comparatively moderate, quantity as increased limit convex edge swings stability to increase housing, and the width on suitable reduction limit convex edge swings friction force to reduce housing.

In above-mentioned distributing box handle, described swing span takes the shape of the letter U, above-mentioned connection sidepiece is two side plates of swing span, described connection bottom offers the connecting bore that cross-sectional plane is bar shaped, and bar shaped direction is consistent with the Width connecting sidepiece, the end of described expansion link is through connecting bore, and the one end of stretching out is fixed with pad and jump ring, and the periphery wall of described expansion link contacts with connecting bore both sides hole wall.Two lateral walls connecting sidepiece are straight smooth side, limit convex is along with to be connected friction force between sidepiece lateral wall little, contact stabilization is smooth, and the cross-sectional plane of two connecting bores is bar shaped, namely the external diameter of expansion link is greater than, swing span can be swung by relative telescopic bar, and the periphery wall of expansion link contacts with connecting bore both sides hole wall, namely the both sides hole wall of connecting bore plays laminating positioning action to expansion link, avoid swing span at connection hole relative telescopic bar wigwag motion, this structure, in conjunction with limit convex edge, makes housing swing more stable.

In above-mentioned distributing box handle, be also fixed with axle sleeve in described connecting arm, this axle sleeve is positioned at one end port that connecting arm stretches out housing, and described expansion link slides through axle sleeve.Expansion link is metal piece, axle sleeve is Plastic Parts, therefore the quality of fit between the working accuracy of axle sleeve and axle sleeve and connecting arm internal perisporium and expansion link periphery wall is higher, avoid the relative axle sleeve in expansion link end, play is there is between the relative connecting arm of axle sleeve, improve stability, axle sleeve madial wall and expansion link outside portion are smooth side, friction force is less between the two, but the axial stretching of axle sleeve to expansion link provides guiding, make expansion link flexible more stable, expansion link and swing span are hinged, therefore the stability that expansion link is flexible and smooth shape are directly concerned swing span and are swung stability, namely the mechanism design of above-mentioned axle sleeve is in conjunction with the setting on limit convex edge, swing span can be made to swing more stable, and then it is more stable to make housing swing.

In above-mentioned distributing box handle, two madial walls of described cavity all have convex annular edge, above-mentioned connection sidepiece all offers hinge hole, and be located at convex annular along upper by hinge hole turning set.Namely housing is hinged with swing span by convex annular edge, connect convex edge and there is larger external diameter, the area of contact with hinge hole internal perisporium on swing span can be increased, increase the hinged stability between swing span and housing, namely make housing drive swing span to swing more stable.

Compared with prior art, this distributing box handle has the following advantages:

1, due to limit convex along in housing swing process can with the lateral wall being connected sidepiece to against, position-limiting action is played to housing, housing is avoided to occur rocking, housing is swung more stable, simultaneously because limit convex is along little with the area of contact be connected between sidepiece lateral wall, therefore friction force is between the two little, and operating handle is also better.

2, because limit convex is along all curved, and limit convex edge is to connect the hinge-point of sidepiece and cavity madial wall for the center of circle, namely the contact surface position connecting sidepiece and limit convex edge is fixed, even if the lateral wall connecting sidepiece in Long-Time Service process limited convex edge wearing and tearing, also fixing smooth contact surface can be produced on the lateral wall connecting sidepiece, there is provided guiding to the swing of swing span on the contrary, make operating handle better.

3, because the thickness on limit convex edge is increased to the other end gradually by one end, when dischargeing housing, the side on limit convex edge has the component promoted along the less one end of thickness to limit convex to swing span, the reset that this component contributes to swing span swings, namely this component combines with spring and housing is resetted, and ensures the stability that housing reset swings.

4, owing to being also fixed with axle sleeve in connecting arm, expansion link slides through axle sleeve, the axial stretching of axle sleeve to expansion link provides guiding, make expansion link flexible more stable, the mechanism design of axle sleeve is in conjunction with the setting on limit convex edge, swing span can be made to swing more stable, and then it is more stable that housing is swung.

Accompanying drawing explanation

Fig. 1 is the perspective view of this distributing box handle.

Fig. 2 is the local structure cutaway view of this distributing box handle.

Fig. 3 is the perspective view of the housing half in this distributing box handle when not showing.

Fig. 4 is the structure side view of half housing in this distributing box handle.

Fig. 5 is the local structure exploded view of this distributing box handle inner.

Fig. 6 is the perspective view of half housing in this distributing box handle.

Fig. 7 is the perspective view of half housing in embodiment two.

In figure, 1, connecting arm; 2, housing; 21, cavity; 22, opening; 23, convex annular edge; 3, expansion link; 4, swing span; 41, sidepiece is connected; 42, hinge hole; 43, bottom is connected; 44, connecting bore; 45, pad; 46, jump ring; 5, spring; 6, limit convex edge; 7, axle sleeve.

Detailed description of the invention

Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.

Embodiment one:

As shown in Figure 1, Figure 2, Figure 3 shows, a kind of distributing box handle, comprises connecting arm 1, expansion link 3, swing span 4, housing 2 and spring 5, housing 2, in strip, snaps together formation by two housings 2, and lateral wall is used for hand and grasps, inside has cavity 21, and one end has opening 22.One end of connecting arm 1 in a tubular form, and cavity 21 is inserted by the opening 22 of housing 2 in this one end of connecting arm 1, opening 22 one end and the connecting arm 1 of housing 2 are hinged, and the other end of connecting arm 1 takes the shape of the letter U, for being hinged on wine lance, by connecting arm 1 relatively wine thatch swing up and down the break-make realizing wine thatch.Expansion link 3 sliding plug is in connecting arm 1, and cavity 21 is stretched in one end of expansion link 3, and the other end can stretch out connecting arm 1.It is inner that swing span 4 is positioned at cavity 21, there are two tabulars and in the connection sidepiece 41 of strip, the one end connecting sidepiece 41 described in two is hinged on cavity 21 madial wall, and cavity 21 madial wall of the side of each connection sidepiece 41 all with corresponding is relative, swing span 4 also has connection bottom 43, bottom this connection, 43 to connect between sidepieces 41 two and to be positioned at the other end connecting sidepiece 41, and swing with one end that expansion link 3 stretches into cavity 21 and be connected, spring 5 is positioned at connecting arm 1 and is set on expansion link 3, one end of spring 5 acts on connecting arm 1, the other end acts on expansion link 3, wine thatch also has positioning groove, under the effect of spring 5, when expansion link 3 can be resisted against in positioning groove when connecting arm 1 stretches out relatively, realize the locking to whole housing 2, now housing 2 is difficult to swing, wine thatch is in closure state, and when pressing housing 2, housing 2 relatively connecting arm 1 swings, the swing of housing 2 can make swing span 4 swing, swing span 4 drives expansion link 3 overcome the elastic force of spring 5 and move axially, namely in expansion link 3 retraction connecting arm 1, now the end of expansion link 3 departs from the positioning groove of wine thatch, remove the locking to housing 2, further pressing housing 2 can opening wine thatch.Connect between the lateral wall of sidepiece 41 and the madial wall of cavity 21 and there is gap, this gap is avoided connecting the lateral wall of sidepiece 41 and the madial wall of cavity 21 and is directly contacted that to cause housing 2 to swing friction force excessive, two relative madial walls of cavity 21 all have two limit convexes along 6, namely two limit convexes of the same side are connecting between sidepiece 41 lateral wall and cavity 21 madial wall along 6, a lateral wall connecting sidepiece 41 is relative along 6 with two limit convexes, two limit convexes of the same side along 6 in housing 2 swing process can with the lateral wall being connected sidepiece 41 to against, position-limiting action is played to housing 2, housing 2 is avoided to occur rocking, housing 2 is swung more stable, simultaneously because limit convex is little with the area of contact be connected between sidepiece 41 lateral wall along 6, therefore friction force is between the two little, operating handle is also better.

Certainly in the actual course of processing, the each madial wall of cavity 21 only can be arranged a limit convex along 6, also the restraining ability to housing 2 is possessed, article three, when limit convex is even more along 6, then need comprehensive evaluation limit convex to swing along the position-limiting action of 6 pairs of housings 2 and limit convex the friction force brought along 6 pairs of housings 2, select to make housing 2 swing the mode comparatively stable, friction force is comparatively moderate, swing stability as the quantity of limit convex along 6 can be increased to increase housing 2, and the width of suitable reduction limit convex along 6 swings friction force to reduce housing 2.The two ends of limit convex along 6 extend to two long edges of cavity 21 madial wall, reduce die sinking difficulty, also increase limit convex along 6 intensity, certainly also ensure that limit convex all the time can be relative with connection sidepiece 41 along 6.

Concrete, composition graphs 3, Fig. 4, shown in Fig. 6, swing span 4 needs to swing around connecting the hinge-point of sidepiece 41 with cavity 21 madial wall in operation, therefore limit convex is all curved along 6, and limit convex along 6 to connect the hinge-point of sidepiece 41 and cavity 21 madial wall for the center of circle, limit convex along 6 by the consistency of thickness of one end to the other end, make to connect sidepiece 41 and the limit convex contact surface along 6 also in rectangular arc, and with the hinge-point connecting sidepiece 41 and cavity 21 madial wall for the center of circle, limit convex is constant to other end height by one end along 6, namely connect sidepiece 41 and the limit convex contact surface position along 6 to fix, even if wear and tear in the limited convex edge 6 of the lateral wall connecting sidepiece 41 in Long-Time Service process, also fixing smooth contact surface can be produced on the lateral wall connecting sidepiece 41, guiding is provided on the contrary to the swing of swing span 4, make operating handle better.Limit convex on cavity 21 liang of madial walls is symmetrical arranged along 6, and namely limit convex is even along the position-limiting action power of 6 pairs of housing 2 both sides, also avoids the limit convex of certain side along 6 or connects sidepiece 41 lateral wall undue wear.

Swing span 4 takes the shape of the letter U, connect two side plates that sidepiece 4 is swing span 4, connect on bottom 43 and offer the connecting bore 44 that cross-sectional plane is bar shaped, and bar shaped direction is consistent with the Width connecting sidepiece 4, the end of expansion link 3 is through connecting bore 44, and the one end of stretching out is fixed with pad 45 and jump ring 46, the periphery wall of expansion link 3 contacts with connecting bore 44 both sides hole wall, two lateral walls connecting sidepiece 4 are straight smooth side, limit convex along 6 with to be connected friction force between sidepiece 4 lateral wall little, contact stabilization is smooth, and the cross-sectional plane of two connecting bores 44 is bar shaped, namely the external diameter of expansion link 3 is greater than, swing span 4 can be swung by relative telescopic bar 3, and the periphery wall of expansion link 3 contacts with connecting bore 44 both sides hole wall, namely the both sides hole wall of connecting bore 44 plays laminating positioning action to expansion link 3, avoid swing span 4 at connecting bore 44 place relative telescopic bar 3 wigwag motion, this structure in conjunction with limit convex along 6, housing 2 is swung more stable.

Composition graphs 2, shown in Fig. 5, axle sleeve 7 is also fixed with in connecting arm 1, this axle sleeve 7 is positioned at one end port that connecting arm 1 stretches out housing 2, expansion link 3 slides through axle sleeve 7, and one end of expansion link 3 is stretched out from axle sleeve 7, and circumference has limiting block edge on one end lateral wall stretched out, namely when connecting arm 1 retracted by expansion link 3 under spring 5 acts on, limiting block is along being resisted against on the end face of axle sleeve 7 outer end, avoid expansion link 3 retraction connecting arm 1 completely, expansion link 3 is made to have a suitable stroke, expansion link 3 is metal piece, axle sleeve 7 is Plastic Parts, therefore the quality of fit between the working accuracy of axle sleeve 7 and axle sleeve 7 and connecting arm 1 internal perisporium and expansion link 3 periphery wall is higher, avoid the relative axle sleeve 7 in expansion link 3 end, relatively there is play between connecting arm 1 in axle sleeve 7, improve stability, axle sleeve 7 madial wall and expansion link 3 outside portion are smooth side, friction force is less between the two, but the axial stretching of axle sleeve 7 pairs of expansion links 3 provides guiding, make expansion link 3 flexible more stable, expansion link 3 and swing span 4 are hinged, therefore the stability that expansion link 3 is flexible and smooth shape are directly concerned swing span 4 and are swung stability, namely the mechanism design of above-mentioned axle sleeve 7 is in conjunction with the setting of limit convex along 6, swing span 4 can be made to swing more stable, and then it is more stable to make housing 2 swing.Two madial walls of cavity 21 all has convex annular along 23, connect on sidepiece 41 and all offer hinge hole 42, and be located at convex annular along on 23 by hinge hole 42 turning set, namely housing 2 is hinged with swing span 4 along 23 by convex annular, connect convex edge and there is larger external diameter, the area of contact with hinge hole 42 internal perisporium on swing span 4 can be increased, increase the hinged stability between swing span 4 and housing 2, namely make housing 2 drive swing span 4 to swing more stable.

Embodiment two:

The structure of this distributing box handle is substantially identical with embodiment one, difference is as shown in Figure 7, limit convex is increased to the other end along the thickness of 6 gradually by one end, when swing span 4 in the raw time, connect sidepiece 41 relative along one end that 6 thickness are less with limit convex, namely when not using, when housing 2 being locked in the positioning groove that namely expansion link 3 is resisted against wine thatch, connect sidepiece 41 relative along one end that 6 thickness are less with limit convex, when housing 2 swings, in swing process, limit convex along 6 gradually with the lateral wall being connected sidepiece 41 against, and against application force increase gradually, when dischargeing housing 2, spring 5 can make expansion link 3, swing span 4 and housing 2 reset, above-mentioned limit convex has the component promoted along 6 less one end of thickness to limit convex along the side of 6 to swing span 4, the reset that this component contributes to swing span 4 swings, namely this component combines with spring 5 and housing 2 is resetted, ensure the stability that housing 2 reset swings, be only operating process during hand pressing housing 2 simultaneously, namely limit convex increases spacing power to housing 2 gradually along 6 in this process, the stability that operating process middle shell 2 is swung increases gradually, operating process feel is better.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.

Although more employ the terms such as connecting arm 1, housing 2, cavity 21 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.

Claims (9)

1. a distributing box handle, comprise connecting arm (1), expansion link (3), swing span (4) and housing (2), described housing (2) has cavity (21), and one end has opening (22), one end of described connecting arm (1) in a tubular form and insert cavity (21), described housing (2) has one end of opening (22) and connecting arm (1) is hinged, described expansion link (3) sliding plug is in connecting arm (1), and cavity (21) is stretched in one end of expansion link (3), it is characterized in that, the connection sidepiece (41) that described swing span (4) has two tabulars and bottom being positioned between two connection sidepieces (41) connection (43), the one end connecting sidepiece (41) described in two is hinged on cavity (21) madial wall, and cavity (21) madial wall of the side of each connection sidepiece (41) all with corresponding is relative, the described bottom (43) that connects is positioned at the other end connecting sidepiece (41), and swing with one end that expansion link (3) stretches into cavity (21) and be connected, two relative madial walls of described cavity (21) all has limit convex along (6), the sidewall of described connection sidepiece (41) is resisted against limit convex on (6).

2. distributing box handle according to claim 1, it is characterized in that, described limit convex is all curved along (6), and limit convex edge (6) is to connect the hinge-point of sidepiece (41) and cavity (21) madial wall for the center of circle.

3. distributing box handle according to claim 2, is characterized in that, the limit convex on described cavity (21) two madial wall is symmetrical arranged along (6).

4. distributing box handle according to claim 3, is characterized in that, described limit convex edge (6) is by the consistency of thickness of one end to the other end.

5. distributing box handle according to claim 3, it is characterized in that, described limit convex is increased to the other end along the thickness of (6) gradually by one end, when swing span (4) in the raw time, connect sidepiece (41) relative with less one end of (6) thickness, limit convex edge.

6. distributing box handle as claimed in any of claims 2 to 5, it is characterized in that, limit convex on described cavity (21) two madial wall is two along (6) quantity, and the two ends of limit convex edge (6) extend to two edges of cavity (21) madial wall.

7. distributing box handle as claimed in any of claims 1 to 5, it is characterized in that, described swing span (4) takes the shape of the letter U, two side plates that above-mentioned connection sidepiece (41) is swing span (4), described connection bottom (43) offers the connecting bore (44) that cross-sectional plane is bar shaped, and bar shaped direction is consistent with the Width connecting sidepiece (41), the end of described expansion link (3) is through connecting bore (44), and the one end of stretching out is fixed with pad (45) and jump ring (46), the periphery wall of described expansion link (3) contacts with connecting bore (44) both sides hole wall.

8. distributing box handle as claimed in any of claims 1 to 5, it is characterized in that, axle sleeve (7) is also fixed with in described connecting arm (1), this axle sleeve (7) is positioned at one end port that connecting arm (1) stretches out handle, and described expansion link (3) slides through axle sleeve (7).

9. distributing box handle as claimed in any of claims 1 to 5, it is characterized in that, two madial walls of described cavity (21) all has convex annular along (23), above-mentioned connection sidepiece (41) all offers hinge hole (42), and is located at convex annular on (23) by hinge hole (42) turning set.