Fixing protector during a kind of dust catcher transportTechnical field
The present invention relates to a kind of servicing unit of dust catcher, the fixing protector particularly during a kind of dust catcher transport.
Background technology
Existing dust catcher needs the neonychium arranging foaming in packing case before shipping, the shape of neonychium and the bottom shape of dust catcher suitable, packing case occur vibration time, neonychium forms buffer protection to dust catcher.
The shortcoming of prior art is: the road wheel of dust catcher in packing case usually used as fulcrum; road wheel is also arranged on the rear portion of dust catcher usually; when there is vibration in dust catcher in transportation; due to the leverage that road wheel position produces; make stress suffered by dust catcher front portion mainly from its underpart; and stress suffered by rear portion is mainly from the inertia force of transverse direction, and the more crisp easy fracture of the neonychium that expanded material is made, a default overfill protection cannot be provided to dust catcher after rupturing.
Summary of the invention
The present invention is to overcome defect in above-mentioned prior art, and fixing protector when providing a kind of dust catcher to transport can improve the resiliency supported effect to dust catcher, for dust catcher provides reliably protecting in transportation.
For achieving the above object, the invention provides the fixing protector during transport of a kind of dust catcher, comprising: support the support ring of dust catcher front portion and support the supporting seat at dust catcher rear portion, the road wheel of dust catcher is arranged on dust catcher rear portion; Wherein, support ring to be integrally mouldedly made up of flexible, for circular ring structure, axially connected to form by three layers of annulus, connected by pillar between annulus, pillar is a plurality of, arrange around annulus uniform intervals, annulus from the bottom to top diameter reduces gradually, and the end face of the superiors' support ring and the bottom surface of dust catcher front portion abut against, when dust catcher is hit and vibrates, annulus is subject to the downward extrusion stress of dust catcher, and support ring is elastic shrinkage vertically, keeps the support to dust catcher, when the extruding of dust catcher disappears, support ring Reverse recovery state; That supporting seat is made of plastics, horizontal column, its upper surface is cambered surface, and between the lower surface at dust catcher rear portion and rear wall, the cambered surface of corner abuts against, and constraint dust catcher can not produce laterally and move and vertically move down.
In technique scheme, the section of the superiors' support ring of support ring is " L " shape, and corresponding the superiors' pillar is inverted "L" shaped, makes the support force that the superiors' support ring can keep enough, and enough axial elasticities also can be kept to shrink when end face pressurized.
In technique scheme, the superiors' support ring outer radius is connected with vertical fixed leg, and the height of fixed leg exceedes the upper surface of the superiors' support ring, and the sidewall of the sidewall constraint dust catcher front portion of fixed leg, forms the constraint to dust catcher reach.
In technique scheme, be the structure of vertical hollow out between the upper surface of supporting seat and lower surface, after supporting seat hollow out, inner formation link of boards, increases certain elasticity to supporting seat and saves the cost of manufacture of supporting seat.
In technique scheme, the section of the gusset of supporting seat inside is " T " structure, both having increased the contact area on supporting seat upper surface and dust catcher surface, and reduced and contact damage is caused to dust catcher surface, also can ensure enough support forces when reducing raw material.
In technique scheme, the surface that supporting seat and dust catcher abut against also is provided with protruding lead, and lead inserts in pilot hole corresponding to dust catcher, is convenient to accurately locate between supporting seat and dust catcher, and retrains the connection between dust catcher and supporting seat.
Compared with prior art, the present invention, by support ring is arranged to sandwich construction, makes support ring can keep flexible axial deformation, remains the secure support bottom to dust catcher, avoids dust catcher to damage because Transport Vibration causes front portion to move down; Fixed leg set by support ring can operative constraint dust catcher rear to traversing what vibrate when occurring, move caused damage after avoiding dust catcher laterally; Fixed leg set by support ring can form the constraint to dust catcher reach, avoids the damage that dust catcher transversal moving forward causes.
Accompanying drawing explanation
The schematic perspective view (assembling completes) of fixing protector when Fig. 1 is dust catcher of the present invention transport;
The support ring schematic perspective view of fixing protector when Fig. 2 is dust catcher of the present invention transport;
The supporting seat schematic perspective view of fixing protector when Fig. 3 is dust catcher of the present invention transport.
1-dust catcher; 11-shaft hole; 2-support ring; 21-base layer support ring; 22-lower floor pillar; 23-middle level support ring; 24-upper level columns; 25-upper strata support ring; 26-fixed leg; 3-supporting seat; 31-upper surface; 32-gusset; 33-limiting plate; 34-lead.
Detailed description of the invention
Below in conjunction with accompanying drawing, a specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of detailed description of the invention.
Fixing protector during a kind of dust catcher transport of the present invention as shown in Figure 1, 2, 3, comprise: support the support ring 2 of dust catcher 1 front portion and support the supporting seat 3 at dust catcher rear portion, the rear portion of dust catcher 1 is provided with the shaft hole 11 of road wheel, and road wheel (not shown) is arranged on the position corresponding with shaft hole 11, support ring 2 to be integrally mouldedly made up of flexible, for circular ring structure, by base layer support ring 21, middle level support ring 23 and upper strata support ring 25 3 layers of annulus axially connect to form, be connected by lower floor's pillar 22 between base layer support ring 21 with middle level support ring 23, be connected by upper level columns 24 between middle level support ring 23 with upper strata support ring 25, on, lower floor's pillar is a plurality of, arrange around annulus uniform intervals, upper strata support ring 25 between annulus 21 between every layer of annulus diameter reduce gradually, the end face of upper strata support ring 25 and the bottom surface of dust catcher 1 front portion abut against, when dust catcher 1 is hit and vibrates, annulus is subject to the downward extrusion stress of dust catcher, support ring is elastic shrinkage vertically, keep the support to dust catcher, when the extruding of dust catcher disappears, support ring Reverse recovery state, that supporting seat 3 is made of plastics, horizontal column, its upper surface 31 be cambered surface, and between the lower surface at dust catcher 1 rear portion and rear wall, the cambered surface of corner abuts against, and constraint dust catcher can not produce laterally and move and vertically move down.
Further as shown in Figure 2, the section of the upper strata support ring 25 of support ring is " L " shape, and corresponding upper level columns 24, in inverted "L" shaped, makes the support force that upper strata support ring 25 can keep enough, and enough axial elasticities also can be kept to shrink when end face pressurized.
Further as shown in Figure 2, upper strata support ring 25 is outer is connected with vertical fixed leg 26 through place, and the height of fixed leg 26 exceedes the upper surface of the superiors' support ring 25, and the sidewall of the sidewall constraint dust suction 1 device front portion of fixed leg, forms the constraint to dust catcher reach.
Further as shown in Figure 3, be the structure of vertical hollow out between the upper surface 31 of supporting seat 3 and lower surface, after supporting seat hollow out, the inner gusset 32 that formed connects, and increases certain elasticity and save the cost of manufacture of supporting seat 3 to supporting seat; The section of the gusset 32 of supporting seat inside is " T " structure, has both increased the contact area on supporting seat 3 upper surface and dust catcher 1 surface, and has reduced and cause contact damage to dust catcher surface, also can ensure enough support forces when reducing raw material; The surface that supporting seat 3 and dust catcher 1 abut against also is provided with protruding lead 34, lead 32 inserts in pilot hole (not shown) corresponding to dust catcher, be convenient to accurately locate between supporting seat and dust catcher, and retrain the connection between dust catcher 1 and supporting seat 3; The unofficial biography surface of supporting seat 3 is also provided with the vertical limiting plate 33 extended, and limiting plate 33 retrains the rear sidewall of dust catcher 1, to after dust catcher to having moved auxiliary effect of contraction.
Compared with prior art, the present invention, by support ring is arranged to sandwich construction, makes support ring can keep flexible axial deformation, remains the secure support bottom to dust catcher, avoids dust catcher to damage because Transport Vibration causes front portion to move down; Fixed leg set by support ring can operative constraint dust catcher rear to traversing what vibrate when occurring, move caused damage after avoiding dust catcher laterally; Fixed leg set by support ring can form the constraint to dust catcher reach, avoids the damage that dust catcher transversal moving forward causes.
Be only a specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.