CN211038264U - Spring assembly for front hood hinge - Google Patents

Abstract

The utility model relates to a spring unit for preceding bonnet hinge, including preceding bonnet hinge, it is still including removing the spring end, fixed spring end, the internal spring, the external spring, slip axle sleeve and screw stopper, wherein remove the spring end, the fixed spring end is a T axle pedestal, the long section of the T axle pedestal that removes the spring end is dumbbell-shaped with the long section mutual disposition of the T axle pedestal of fixed spring end, interior, the external spring just suits the middle part pole-shaped section of dumbbell-shaped, the slip axle sleeve is established in fixed spring end with the screw stopper, interior, the both ends of overcoat spring touch with the terminal surface that removes the spring end and the double-phase corresponding end of fixed spring end respectively. The utility model discloses utilized four connecting rod hinge inner space, reduced the vaulting pole, the gasket, relevant quantity such as vaulting pole fixation clamp, user light more when using with convenient, improved the maneuverability to preceding bonnet switch when using, gentle opening descends, has not only reduced the noise, has also reduced the harm to the automobile body.

Description

Spring assembly for front hood hinge

Technical Field

The utility model relates to a spring structure, specific spring unit who is used for preceding bonnet hinge that says so belongs to automobile parts technical field.

Background

The engine hood relies on bracing piece bearing structure to open most at present commercial car, and this structure includes that the vaulting pole supports, is furnished with the vaulting pole pad still, relevant parts such as vaulting pole fixation clamp, and the spare part number of whole mechanism is more relatively. Due to the structure, when people open the front engine cover, people can open the front engine cover only by spending large strength, and when the front engine cover is closed, the front engine cover and the vehicle body have large impact force due to self dead weight when the front engine cover loses the support of the support rod structure, so that great noise is generated, and meanwhile, the impact force also has adverse effect on the service life of the front engine cover lock. The phenomenon that the force is large when the automobile is opened and the impact force damages the automobile body when the automobile is closed is a problem which people want to solve all the time.

Disclosure of Invention

The utility model aims to solve the problem that just overcome prior art not enough, provide a rational in infrastructure and can the spring unit of the preceding bonnet hinge of convenient installation in the four-bar hinge.

The purpose of the utility model is to realize through the following technical scheme:

the utility model provides a spring unit for preceding bonnet hinge, including preceding bonnet hinge, it still includes the removal spring end, fixed spring end, the inner spring, the outer spring, slip axle sleeve and screw stopper, wherein remove the spring end, fixed spring end is a T shape axle pedestal, the long section of the T shape axle pedestal of removal spring end and the long section of the T shape axle pedestal of fixed spring end are arranged relatively and are the dumbbell-shaped, interior, outer spring just the suit is in the middle part pole-shaped section of dumbbell-shaped, slip axle sleeve and screw stopper are established in fixed spring end, the both ends of interior, outer spring are touched with the terminal surface that removes the spring end and the two-phase ends that correspond of fixed spring end respectively and is connect.

Furthermore, a guide through hole is arranged in the T-shaped shaft seat body of the fixed spring end, and the sliding shaft sleeve is pressed into the guide hole at the long section of the T-shaped shaft seat body of the fixed spring end; the long section of the movable spring end is a shaft section, and the shaft section is inserted into a guide hole in the long section of the T-shaped shaft seat body of the fixed spring end and is in contact with a sliding shaft sleeve in the plastic end of the fixed spring; and a screw limiter is arranged in the large end guide through hole of the fixed spring plastic end and is connected with the tail end of the shaft section of the movable spring end.

Furthermore, the screw limiter is a self-tapping screw, and the movable spring end shaft section moves in the long section of the T-shaped shaft seat body of the fixed spring end and is fixed through the screw limiter.

Furthermore, the inner spring is directly sleeved on the long section of the T-shaped shaft seat body at the movable spring end and the long section of the T-shaped shaft seat body at the fixed spring end, which are oppositely arranged to form a dumbbell-shaped middle rod-shaped section, and the outer spring is sleeved on the inner spring.

Furthermore, the movable spring end and the fixed spring end are a movable spring plastic end and a fixed spring plastic end.

Furthermore, the movable spring plastic end and the fixed spring plastic end are respectively arranged on an upper hinge leaf and a lower hinge leaf of the front engine cover hinge, and the upper hinge leaf and the lower hinge leaf of the front engine cover hinge are respectively fixed on an inner plate of the front engine cover and a front windshield cross beam.

Furthermore, two sides of the end heads of the movable spring plastic end and the fixed spring plastic end are respectively provided with a plastic clamping joint, and the movable spring plastic end and the fixed spring plastic end are fixedly connected with the hinge through the plastic clamping joints and the hole grooves of the upper hinge leaf and the lower hinge leaf of the hinge.

Further, the planes of the two sides of the plastic end snap joint of the movable spring are not parallel, and the relative inclination angle α of the two sides is 3 degrees.

Further, the planes on the two sides of the plastic end bayonet of the fixed spring are not parallel, and the relative inclination angle β of the two sides is 3.85 degrees.

The utility model has the advantages that: the utility model provides a pair of be used for preceding bonnet hinge spring has utilized four connecting rod hinge inner spaces, has reduced the vaulting pole, the gasket, relevant quantity such as vaulting pole fixation clamp, and user light more when using is convenient, has improved the maneuverability to preceding bonnet switch when using, and gentle the descending of opening has not only reduced the noise, has also reduced the harm to the automobile body, has reached the utility model aims at the present invention.

Furthermore, the utility model discloses also for other relevant problems in the same field provide the reference, can use this to extend for the foundation, have very strong suitability and wide application prospect.

The following detailed description will be made on specific embodiments of the present invention with reference to the accompanying drawings and examples, so that the technical solution of the present invention can be more easily understood and grasped.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structural schematic diagram of the left hinge of the present invention, the left hinge and the right hinge are symmetrical.

Fig. 3 is a schematic view of the installation of fig. 1.

The reference signs are: 1-moving spring plastic end, 2-fixed spring plastic end, 3-inner spring, 4-outer spring, 5-screw limiter, 6-sliding shaft sleeve, 7-upper hinge leaf, 8-lower hinge leaf, 9-hole groove, 10-spring, 11-guide hole, 12-shaft section, 13-T-shaped shaft seat body for fixing spring plastic end, 14-bayonet joint.

Detailed Description

Objects, advantages and features of the present invention will be illustrated and explained by the following non-limiting description of preferred embodiments. These embodiments are merely exemplary embodiments for applying the technical solutions of the present invention, and all technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the scope of the present invention.

As shown in fig. 1 to 3: the spring assembly for the front hood hinge provided by the embodiment adopts a symmetrical structure, utilizes the inner space of the hinge, adopts an embedded type, and ensures the assembly operability. The spring of the front engine cover hinge is respectively clamped in the upper hinge hole groove and the lower hinge hole groove, and the upper hinge and the lower hinge are respectively fixed on the front engine cover inner plate and the front windshield fixing cross beam. The spring assembly of the front engine cover hinge comprises the front engine cover hinge, a movable spring end 1, a fixed spring end 2, an inner spring 3, an outer spring 4, a sliding shaft sleeve 6 and a screw limiter 5, wherein the movable spring end 1 and the fixed spring end 2 are a movable spring plastic end 1 and a fixed spring plastic end 2 of a plastic part; the movable spring plastic end 1 and the fixed spring plastic end 2 are both a T-shaped shaft base body, the long section of the T-shaped shaft base body of the movable spring plastic end 1 and the long section of the T-shaped shaft base body of the fixed spring plastic end 2 are oppositely arranged to be dumbbell-shaped, the inner spring 3 is directly sleeved on the middle rod-shaped section which is dumbbell-shaped and is oppositely arranged between the long section of the T-shaped shaft base body of the movable spring plastic end and the long section of the T-shaped shaft base body of the fixed spring plastic end, the outer spring 4 is sleeved on the inner spring 3, the sliding shaft sleeve 6 and the screw limiter 5 are arranged in the fixed spring plastic end 2, a guide through hole 11 is arranged in the T-shaped shaft base body of the fixed spring plastic end 2, and the sliding shaft sleeve 6 is arranged in a guide hole positioned at the long section of the T-shaped shaft base body of the fixed spring plastic; the long section of the movable spring plastic end is a shaft section 12, and the shaft section 12 is inserted into a guide hole 11 in the long section of the T-shaped shaft seat body of the fixed spring plastic end 2 and is in contact with a sliding shaft sleeve 6 in the fixed spring plastic end 2; be equipped with screw stopper 5 in the main aspects guide through hole of fixed spring plastic end 2, screw stopper 5 touches with slip axle sleeve 6 and connects, and the guide through hole in the T shape axle bed of fixed spring plastic end 2 is located main aspects seat body section, screw stopper 5 is self-tapping screw, and the long section of T shape axle bed of movable spring end axle section at fixed spring end removes to it is fixed through the screw stopper. Two ends of the inner and outer sleeved springs 3 and 4 are respectively contacted with the step end faces of two corresponding ends of the movable spring plastic end 1 and the fixed spring plastic end 2.

The plastic clamping joints 14 are respectively arranged on two sides of the ends of the movable spring plastic end 1 and the fixed spring plastic end 2, the plastic clamping joints 14 can be circular or oval, the movable spring plastic end 1 and the fixed spring plastic end 2 are fixedly connected with the hinges through the plastic clamping joints 14 and the hole grooves 9 of the upper hinge leaf 7 and the lower hinge leaf 8, as shown in figure 3, the utility model discloses 10, the assembly in use needs two workers to coordinate and operate synchronously in principle, one hand holds the spring and the other hand holds the front engine cover, the assembly firstly inserts the oval plastic clamping joint 14 of the fixed plastic end 2 into the hole groove 9 of the upper hinge leaf, then inserts the circular plastic clamping joint 14 of the movable plastic end 1 into the hole groove 9 of the lower hinge leaf, then gently lowers the front engine cover downwards slowly until the circular plastic clamping joint 14 is completely clamped into the hole groove 9, the clamping joints 14 of the spring plastic ends are unparallel, the two sides of the movable spring plastic end 1 are opposite to 3 degrees, the two sides of the fixed spring plastic end 2 are opposite to be opposite inclination angles β, the fixed spring plastic clamping joints 14 and the movable spring plastic end 1 and the hinge leaf are installed on the hinge leaf, the fixed joint 14 and the hinge leaf is not parallel when the hinge leaf, the fixed joint 14 is opened, the hinge leaf is not parallel.

When the front engine hood is used, a force of 50N-65N is used for pulling the front engine hood, when the angle of the upper hinge leaf and the lower hinge leaf is 9 degrees (the front engine hood rises by 60 mm), the front engine hood is automatically and slowly opened to a certain position, at the moment, the angle of the upper hinge leaf and the lower hinge leaf is 72.2 degrees, and the required opening force is reduced; the front engine cover is pressed downwards by 35N-45N force, when the angle of the upper hinge leaf and the lower hinge leaf is 71.9 degrees (the front engine cover is descended by 38 mm), the front engine cover is automatically and slowly closed to a certain position, at the moment, the angle of the upper hinge leaf and the lower hinge leaf is 51.5 degrees, and the impact force between the front engine cover and the vehicle body is reduced; a force of 27N is applied to fully close the front hood, reducing impact on the front hood lock and extending its life.

In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (9)

1. The utility model provides a spring unit for preceding bonnet hinge, including preceding bonnet hinge, its characterized in that still includes the removal spring end, fixed spring end, the inner spring, the outer spring, slip axle sleeve and screw stopper, wherein remove the spring end, fixed spring end is a T axle pedestal, the long section of the T axle pedestal of removal spring end and the long section of the T axle pedestal of fixed spring end are arranged relatively and are the dumbbell-shaped, the middle part pole-shaped section of dumbbell-shaped just suit is gone here to the outer spring, the slip axle sleeve is established in fixed spring end with the screw stopper, the both ends of interior, outer spring contact with the terminal surface of the two corresponding ends of removal spring end and fixed spring end respectively.

2. The spring assembly of claim 1, wherein the T-shaped shaft body of the fixed spring end has a guide through hole, and the sliding sleeve is pressed into the guide hole at the long section of the T-shaped shaft body of the fixed spring end; the long section of the movable spring end is a shaft section, and the shaft section is inserted into a guide hole in the long section of the T-shaped shaft seat body of the fixed spring end and is in contact with a sliding shaft sleeve in the plastic end of the fixed spring; and a screw limiter is arranged in the large end guide through hole of the fixed spring plastic end and is connected with the tail end of the shaft section of the movable spring end.

3. A spring assembly for a front hood hinge according to claim 1 or 2, wherein the screw stop is a self-tapping screw, and the movable spring end shaft section is moved in the long section of the T-shaped shaft housing where the spring end is fixed and fixed by the screw stop.

4. The spring assembly for a front hood hinge according to claim 1 or 2, wherein the inner spring is directly sleeved on the middle rod-shaped section of the dumbbell shape arranged opposite to the long section of the T-shaped shaft housing for fixing the spring end, and the outer spring is sleeved on the inner spring.

5. The spring assembly of claim 4 wherein the moving spring end and the fixed spring end are a moving spring plastic end and a fixed spring plastic end.

6. The spring assembly of claim 5, wherein the moving spring plastic end and the fixed spring plastic end are mounted on an upper hinge leaf and a lower hinge leaf of the front hood hinge, respectively, and the upper hinge leaf and the lower hinge leaf of the front hood hinge are fixed on an inner plate of the front hood and a front windshield cross member, respectively.

7. A spring assembly for a front hood hinge according to claim 6, wherein the plastic snap joints are provided on each side of the ends of the plastic moving spring end and the plastic fixed spring end, and the plastic moving spring end and the plastic fixed spring end are fixedly connected to the hinge via the plastic snap joints and the slots of the upper and lower hinge leaves of the hinge.

8. The spring assembly of claim 7 wherein said movable spring plastic end snap is nonparallel in plane at two sides and has a 3 ° angle of inclination relative to α.

9. The spring assembly of claim 7 wherein said fixed spring plastic end snap is nonparallel in plane on two sides and has a 3.85 ° angle of inclination relative to the angle β.

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