A kind of corrugated flexible hose press-fits chuck
Technical field
The invention belongs to the technical field of auto parts and components technological equipment for making, specifically, the present invention relates to a kind of corrugated flexible hose and press-fit chuck.
Background technology
The automobile fuel pump assembly is the critical component in the automobile oil supply system.What at present, the oil-feed of most oil pump assys and return line were used is the plastic ripple flexible pipe.The connected mode of plastic ripple flexible pipe and pump core and flange is big interference crimping, and this mode can guarantee the sealing of pipe joint.
Because plastic ripple flexible pipe quality is soft, yielding, be difficult to bear axial force, pressure head reasonable in design played key effect.The design of pressure head should satisfy following some:
1, pressure head should be pressed into corrugated flexible hose one section effectively clamping of end, can not make the corrugated flexible hose distortion;
2, clamped corrugated flexible hose should bear the enough big power that is pressed into;
3, be press-fit into place after, clamp pressure head and answer expansible, be unlikely to the corrugated flexible hose that is pressed into is extracted when guaranteeing the pressure head return.
In the prior art, the technological equipment that does not also have to reach above-mentioned specification requirement is applied.
Summary of the invention
Problem to be solved by this invention provides a kind of corrugated flexible hose and press-fits chuck, its objective is the crimping assembling that realizes corrugated flexible hose.
To achieve these goals, the technical scheme taked of the present invention is:
Corrugated flexible hose provided by the present invention press-fits chuck, comprise the forcing press joint, describedly press-fit chuck and establish two clamps, describedly press-fit chuck and be provided with eccentric clamp mechanism, described eccentric clamp mechanism clamps corrugated flexible hose by described two clamps, and the shape at the position of the described corrugated flexible hose of clamping and the profile of described corrugated flexible hose adapt on described two clamps.
Described eccentric clamp mechanism is established the clamping cam, establishes clamping lever on the described clamping cam, and described clamping cam is connected by of clamping in pull bar and described two clamps, and the edge of described clamping cam contacts with another clamp.
Described clamping cam is shipped and resell on another market with clamping pull bar employing cam and is connected.
The bottom of described forcing press joint, if downward rectangular preiection, on described rectangular preiection, establish two clamp guide pillars and be fastenedly connected with described rectangular preiection, stretch out from described rectangular preiection at its two ends, its direction is parallel with described clamping pull bar, and described two clamps form matched in clearance by the two ends external part of hole and described clamp guide pillar.
Be provided with spring between described clamp and the described rectangular preiection, described spring is a stage clip, and is enclosed within on the described clamp guide pillar.
Described clamp guide pillar is fastenedly connected by guide pillar hold-down screw and the described rectangular preiection that is located on the forcing press joint.
The present invention adopts technique scheme, adopts the clamping of control clamps such as cam, spring and opens, and is simple in structure; It is indeformable to guarantee that corrugated flexible hose clamps the back, guarantees that again corrugated flexible hose can bear the enough power that is pressed into; Two clamps realize to the both sides motion open, to intermediary movements clamp synchronously.
Description of drawings
Below expressed content of each width of cloth accompanying drawing of this specification and the mark among the figure are briefly explained:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the schematic top plan view of structure shown in Figure 1;
Fig. 3 looks schematic diagram for the left side of structure shown in Figure 1.
Be labeled as among the figure:
1, clamps cam, 2, clamp, 3, clamp, 4, clamp pull bar, 5, clamping lever, 6, spring, 7, cam ships and resell on another market, 8, the forcing press joint, 9, corrugated flexible hose, 10, the clamp guide pillar, 12, the guide pillar hold-down screw.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
As Fig. 1, Fig. 2 and the expressed structure of the present invention of Fig. 3, the present invention press-fits chuck for a kind of corrugated flexible hose, comprises forcing press joint 8.Described forcing press joint 8 is fastenedly connected with forcing press by the shank on it.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, realize the goal of the invention of the crimping assembling of corrugated flexible hose, the technical scheme that the present invention takes is:
Corrugated flexible hose provided by the present invention press-fits chuck, describedly press-fit chuck and establish clamp 2, clamp 3, describedly press-fit chuck and be provided with eccentric clamp mechanism, described eccentric clamp mechanism clamps corrugated flexible hose 9 by described clamp 2, clamp 3, and the shape at the position of the described corrugated flexible hose 9 of clamping and the profile of described corrugated flexible hose 9 adapt on described clamp 2, the clamp 3.
The clamping profiling mouth of employing of the present invention and corrugated flexible hose 9 clamps it, guarantees that promptly corrugated flexible hose 9 is indeformable, guarantees that again corrugated flexible hose 9 can bear the enough power that is pressed into.Adopt eccentric clamp mechanism, easy to operate, it is fast to clamp action, the production efficiency height.
Eccentric clamp mechanism of the present invention is established and is clamped cam 1, establish clamping lever 5 on the described clamping cam 1, described clamping cam 1 is connected by of clamping in pull bar 4 and described clamp 2, the clamp 3, and the edge of described clamping cam 1 contacts with another clamp.
1 control of employing cam clamps and opens, and is simple in structure, easy to operate.
Clamping cam 1 of the present invention with clamp pull bar 4 and adopt cams to ship and resell on another market 7 to be connected.Cam 1 forms relative gyration with clamping pull bar 4, guarantees to clamp pull bar 4 moving linearlies, and realization clamp 2, clamp 3 are done relative motion.
The bottom of forcing press joint 8 of the present invention, if downward rectangular preiection, on described rectangular preiection, establish two clamp guide pillars 10 and be fastenedly connected with described rectangular preiection, stretch out from described rectangular preiection at its two ends, its direction is parallel with described clamping pull bar 4, and described clamp 2, clamp 3 form matched in clearance by the two ends external part of hole and described clamp guide pillar 10.
The effect of clamp guide pillar 10 is movement locus of restriction clamp 2, clamp 3, guarantees the accuracy of clamp 2, clamp 3 movement locus.
Be provided with spring 6 between clamp of the present invention and the described rectangular preiection, described spring 6 is a stage clip, and is enclosed within on the described clamp guide pillar 10.
Above-described clamp 2, clamp 3 use two sleeve spring mechanisms respectively, make chuck to open to both sides simultaneously.
In order to prevent becoming flexible, coming off of clamp guide pillar 10, clamp guide pillar 10 of the present invention is fastenedly connected with described rectangular preiection by the guide pillar hold-down screw 12 that is located on the forcing press joint 8.
Use method of operating of the present invention:
Rotate clamping lever 5 by hand, make cam 1 rotate to the released position, at this moment clamp 2, clamp 3 are flared to maximum under the effect of spring 6.
Corrugated flexible hose 9 is put into clamp 2, clamp 3 with the corrugated flexible hose 9 shapes mouth that adapts.Reverse rotation clamping lever 5 makes cam 1 go to clamped position, and at this moment under the effect that clamps pull bar 4, clamp 2, clamp 3 clamp corrugated flexible hose 9.
After the starting pressure machine was pressed into place corrugated flexible hose 9, the stroke that presses down of forcing press stopped.
Rotation clamping lever 5 makes cam 1 go to the released position, opens clamp 2 and clamp 3, unclamps corrugated flexible hose 9, and the forcing press band corrugated flexible hose and press-fited the chuck return.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.