CN112252867B

CN112252867B - Automobile inner handle and manufacturing method thereof

Info

Publication number: CN112252867B
Application number: CN202011096800.XA
Authority: CN
Inventors: 方立锋; 周宝聪; 马永兴; 周栋
Original assignee: Shentong Technology Group Co Ltd
Current assignee: Shentong Technology Group Co Ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2022-04-22
Anticipated expiration: 2040-10-14
Also published as: CN112252867A

Abstract

The invention discloses an automobile inside handle and a manufacturing method thereof, wherein the automobile inside handle comprises a handle base and a microswitch, wherein the microswitch is used for controlling an electronic lock to be opened and closed and is fixed on the handle base; the handle is rotatably connected to the handle base and comprises a handheld outer part and a connecting inner part used for controlling the opening and closing of the microswitch and the mechanical lock; the limiting plunger is used for stopping the handle, and the limiting plunger is arranged on the handle base. The invention provides an automobile inside handle and a manufacturing method thereof, which have an electronic mechanical double-unlocking structure, ensure that a mechanical lock cannot be triggered under the common condition, and meet the test requirements of customers on strength and durability, and the inside handle is light and beautiful.

Description

Automobile inner handle and manufacturing method thereof

Technical Field

The invention relates to an automobile accessory, in particular to an automobile inside handle and a manufacturing method thereof.

Background

The conventional automobile door handle comprises a handle base and a mechanical lock connected with the handle base, and the opening and closing of an automobile door are realized through the linkage of the handle base and the mechanical lock. Under the general condition, the handle linked by the mechanical lock integrates various parts such as a spring, a pin shaft, a balance block, an inertia lock and the like, and the automobile door handle has the problems of handle clamping stagnation, movement, uneven clearance surface difference and the like in the use process due to a plurality of movable parts, so that the comfort is greatly reduced, and the loss is large. The electronic switch system is an electronic product which controls the opening and closing of a mechanical switch through the operation of a circuit or a chip and completes the unlocking and locking tasks, and generally comprises an electronic switch, a wire harness connecting plug, an electronic lock body and the like. There have been some interior handle ring of automobile to have the two function of unblock of mechatronics in the present market, for example, the chinese patent literature discloses "the two structure of unblock of electron machinery of handle in the automobile", its notice No. CN 210563903U, including handle base, rotate the interior handle and the cable of being connected with handle base, the one end of cable is passed through the cable support and is connected with interior handle, the other end and the lock of cable are connected, the inner of interior handle is equipped with manual trigger portion and electronic trigger portion. The utility model discloses a handle has electron unblock function and mechanical unlocking function in the well car, but in the in-service operation process, because the angle that opens and shuts between handle and the handle base in being difficult to control often also can open the mechanical lock when starting micro-gap switch, influence the comfort level, the loss of handle in the aggravation, the life of handle in the influence, and along with interior handle toward light and handy pleasing to the eye intelligent development, adopt general handle hardly to satisfy the test requirement of customer to intensity and durability.

Disclosure of Invention

The invention aims to overcome the problems that when the internal unlocking handle is opened, the mechanical lock is usually started, the comfort level is easily influenced, the loss of the internal handle is aggravated, the service life of the internal handle is influenced, the test requirements of customers on strength and durability are difficult to meet and the like in the prior art, and provides the internal unlocking handle for the automobile and the manufacturing method thereof, wherein the internal unlocking handle has an electronic-mechanical double-unlocking structure, and meanwhile, the mechanical lock is ensured not to be triggered under the common condition, the loss of the internal unlocking handle is reduced, the service life of the internal unlocking handle is prolonged, and the use comfort level is improved; and the inner-opening handle is light and beautiful and also meets the test requirements of customers on strength and durability.

In order to achieve the purpose, the invention adopts the following technical scheme:

an automobile inside handle comprises a handle base and a microswitch, wherein the microswitch is used for controlling an electronic lock to be opened and closed and is fixed on the handle base; the handle is rotatably connected to the handle base and comprises a handheld outer part and a connecting inner part used for controlling the opening and closing of the microswitch and the mechanical lock; the limiting plunger is used for stopping the handle, and the limiting plunger is arranged on the handle base. In this technical scheme, make interior handle ring increase the function of electronic lock through micro-gap switch's setting, the handle triggers electronic unblock and mechanical unblock through rotating, the handle rotates at first to trigger the electronic unblock during the use, when the electronic unblock became invalid, trigger mechanical unblock again, and the setting of spacing plunger has certain position effect of ending to the handle, before the handle triggers mechanical unblock, spacing plunger produces certain hindrance effect to the handle, this just makes the user also receive obvious resistance at the application of force in-process, be favorable to playing the prompt action to the passenger, it distinguishes electronic unblock and mechanical unblock according to the application of force condition to be convenient for the passenger, thereby avoid directly also often can open mechanical lock when starting micro-gap switch and aggravate the loss of interior handle, influence the life of interior handle, use comfort has also been improved.

Preferably, the limiting plunger comprises a mounting end and a contact end, a plunger mounting structure used for mounting the limiting plunger is arranged on the handle base, and the plunger mounting structure comprises a mounting groove used for mounting the mounting end and a limiting mounting hole sleeved outside the contact end. The installation end is used for fitting with the installation groove and then installing the limiting plunger, the contact end is used for being in contact with the handle when the limiting plunger is installed, the limiting installation hole limits the limiting plunger, the limiting plunger only carries out reciprocating motion in the axial direction, and the limiting plunger cannot be separated from the plunger installation structure.

Preferably, a through hole structure for avoiding blocking the limiting plunger to move axially is arranged at the bottom of the mounting groove. The through hole structure is arranged to facilitate axial movement of the limiting plunger, so that the limiting plunger has a certain stopping effect on the handle, but when a large force is applied to the handle, the limiting plunger moves axially, and the handle is convenient to unlock mechanically.

Preferably, a first return spring is arranged in the plunger mounting structure, and the first return spring is sleeved outside the limiting plunger. The setting of first reset spring is convenient for spacing plunger when the handle resets and resets simultaneously.

Preferably, a limiting protrusion is arranged on the limiting plunger, and the limiting protrusion is arranged close to the contact end. The limiting protrusion is arranged to control the position of the limiting plunger, and meanwhile, the limiting plunger is prevented from sliding out of the limiting mounting hole when being reset.

Preferably, the end face of the contact end is provided with an arc-shaped plate structure, the handle is provided with a contact arm which is used for being in contact with the contact end of the limiting plunger piston before triggering mechanical unlocking, the contact arm is provided with a fillet structure which is used for pushing the contact end to move axially, and the fillet structure is matched with the arc-shaped plate structure. The arrangement is convenient for the contact arm to push the limiting plunger to move axially while the handle rotates, so that the limiting plunger is crossed to open mechanical unlocking, and meanwhile, the handle has a blocking effect, so that a user can distinguish the electronic unlocking condition from the mechanical unlocking condition through the force application condition.

Preferably, the handle is further provided with a contact plate for triggering the microswitch, and the contact arm is arranged on the contact plate. The handle firstly opens the micro switch through the contact plate, whether the mechanical lock is triggered is judged through the contact arrangement of the contact arm and the limiting plunger, and the contact arm is arranged on the contact plate to enable the structure to be simpler.

Preferably, the handle is rotatably connected to the handle base through the rotating shaft, and a second return spring for driving the handle to return is sleeved outside the rotating shaft. The handle has been guaranteed in the pivot to take place to rotate on the handle base, and the setting of second reset spring is convenient for the handle automatic re-setting to initial condition, has avoided the handle to keep the open mode always after opening electronic lock or mechanical lock.

The technical scheme adopted for realizing the other purpose of the invention is as follows: a manufacturing method of an automobile inner handle comprises the following steps:

the method comprises the following steps: firstly, injection molding the inside of the connection part through an injection mold;

step two: rotating the connecting inner part and the injection mold thereof by 180 degrees, installing an injection mold used for holding the outer part, performing injection molding on the holding outer part, and electroplating the holding outer part to complete the manufacture of the handle; (ii) a

Step three: injection molding the handle base;

step four: the handle is arranged on the handle base to complete the manufacture of the inner handle ring.

In this technical scheme, because the wall thickness of handle itself is great, adopt the bijection to mould plastics and avoid the shrink inhomogeneous problem of moulding plastics such as pit that leads to appearing in the surface of avoiding, improve pleasing to the eye degree and handle precision, compare in disposable injection moulding simultaneously, adopt the bijection to mould plastics and be favorable to improving handle intensity, make it satisfy customer's intensity and durability test requirement.

Preferably, in the first step, the material for connecting the inner part and injection molding is PC/ABS + GF30, and in the second step, the injection molding material for the outer part of the hand-held part is plating-grade PC/ABS. The connection is internally made of PC/ABS + GF30 materials, so that the handle is light and handy, the handle has better strength, the strength of the handle meets the test requirement, the outer part of the hand-held hand.

Therefore, the invention has the following beneficial effects:

(1) the handle has an electronic and mechanical double-unlocking structure, and meanwhile, the mechanical lock can not be triggered under the common condition, so that the loss of the internal handle is reduced, the service life of the internal handle is prolonged, and the use comfort is improved; the internally-opened handle is light and attractive, and the test requirements of customers on strength and durability are also met;

(2) the arrangement of the limiting plunger is convenient for passengers to distinguish electronic unlocking and mechanical unlocking according to force application conditions, so that the situation that a mechanical lock is often opened while a microswitch is directly started, the loss of the inner handle is aggravated, the service life of the inner handle is influenced, and the use comfort level is also improved;

(3) the handle adopts the bijection to mould plastics and avoids the inhomogeneous problem of moulding plastics such as pit that leads to appearing in the surface of shrink, is favorable to improving handle intensity, makes it satisfy customer's intensity and durability test requirement.

Drawings

FIG. 1 is a first structural schematic view of an in-vehicle handle of the present invention;

FIG. 2 is a schematic view of a second structure of a handle ring in an automobile;

FIG. 3 is a schematic view of an exploded structure of a handle ring in an automobile;

FIG. 4 is a cross-sectional view of the automotive inner handle ring when the handle is not in contact with the limiting plunger;

FIG. 5 is a cross-sectional view of the automobile inner handle ring when the handle is in contact with the consoling plunger;

in the figure: 1. the handle comprises a handle base 101, a mounting groove 2, a handle 201, a contact plate 202, a contact arm 203, a handheld outer part 204, a connecting inner part 3, a rotating shaft 4, a second return spring 5, a limiting plunger 501, a mounting end 502, a limiting protrusion 503, a contact end 6, a first return spring 7, a microswitch 701 and a spring plate.

Detailed Description

The invention is further described with reference to the following detailed description and accompanying drawings.

Example 1:

as shown in fig. 1, 2, and 3, in embodiment 1, an automobile inside handle includes a handle base 1 and a handle 2, the handle base 1 fixes an inside handle ring on an automobile door, a micro switch 7 is disposed on the handle base 1, wherein the micro switch 7 adds a function of an electronic lock to the inside handle ring, a spring plate 701 is disposed on the micro switch 7, the spring plate 701 contacts with the handle 2 to transmit a signal to control the electronic lock to open and close, the handle 2 is used for triggering the electronic lock and a mechanical lock, the handle 2 is rotatably connected to the handle base 1, a rotating shaft 3 is disposed between the handle 2 and the handle base 1, and a second return spring 4 for driving the handle 2 to rotate and return is disposed outside the rotating shaft 3; in addition, a limit plunger 5 is also arranged on the handle base 1, the limit plunger 5 is connected on the handle base 1, the limit plunger 5 comprises an installation end 501 and a contact end 503, a limiting bulge 502 is arranged on the limiting plunger 5, the limiting bulge 502 is arranged close to the contact end 503, a plunger mounting structure for mounting a limiting plunger 5 is arranged on the handle base 1, the plunger mounting structure comprises a mounting groove 101 for mounting a mounting end 501 and a limiting mounting hole sleeved outside a contact end 503, wherein, for the convenience of installation, the installation groove 101 is arranged to be a 7-shaped gap-shaped structure, a through hole structure for avoiding obstructing the limiting plunger 5 from axially moving is arranged at the bottom of the installation groove 101 contacted with the end surface of the installation end 501, the through hole structure is used for being sleeved outside the installation end 501, a first reset spring 6 is arranged in the plunger mounting structure, and the first reset spring 6 is sleeved outside the limiting plunger 5.

In the above-mentioned technical scheme, make interior handle ring increase the function of electronic lock through micro-gap switch 7's setting, handle 2 triggers electronic unlocking and mechanical unlocking through rotating, handle 2 rotates at first to trigger the electronic unlocking during the use, when the electronic unlocking became invalid, trigger mechanical unlocking again, and spacing plunger 5's setting has certain position effect of ending to handle 2, before handle 2 triggers mechanical unlocking, spacing plunger 5 produces certain hindrance effect to handle 2, this just makes the user also receive obvious resistance at the application of force in-process, be favorable to playing the prompt action to the passenger, thereby it distinguishes electronic unlocking and mechanical unlocking according to the application of force condition to be convenient for the passenger, thereby avoid directly also can open the loss of mechanical lock aggravation interior handle when starting micro-gap switch 7, the life of handle in the influence, use comfort has also been improved. The mounting end 501 is used for being matched with the mounting groove 101 to further mount the limiting plunger 5, the arrangement of the through hole structure on the mounting groove 101 is beneficial to the axial movement of the limiting plunger 5, so that the limiting plunger 5 has a certain stopping effect on the handle 2, but when a large force is applied to the handle 2, the axial movement of the limiting plunger 5 is generated, the mechanical unlocking of the handle 2 is convenient to open, the contact end 503 is also used for being in contact with the handle 2 while the limiting plunger 5 is mounted, the limiting mounting hole limits the limiting plunger 5, so that the limiting plunger 5 only reciprocates in the axial direction and cannot be separated from the plunger mounting structure,

in addition, the end face of the contact end 503 is provided with an arc-shaped plate structure, the handle 2 is provided with a contact arm 202 which is used for being in contact with the contact end 503 of the limiting plunger 5 before triggering mechanical unlocking, the contact arm 202 is provided with a fillet structure used for pushing the contact end 503 to move axially, and the fillet structure and the arc-shaped plate structure are arranged in a matched mode. A contact plate 201 for activating the microswitch 7 is provided on the handle 2, and a contact arm 202 is provided on the contact plate 201. The handle 2 firstly turns on the microswitch 7 through the contact plate 201, and the contact arm 202 is contacted with the limit plunger 5 to judge whether to trigger the mechanical lock, and the contact arm 202 is arranged on the contact plate 201 to simplify the structure.

When the electronic lock is used, as shown in fig. 4, the handle 2 rotates, and in the process of rotating the handle 2, the elastic sheet 701 of the electronic switch bounces along with the handle, and when the handle rotates to a certain angle (for example, 10 °), the electronic switch outputs a signal, and the vehicle door is unlocked through the electronic lock, so that the vehicle door can be pushed open. At the moment, the handle 2 does not contact the limiting plunger 5; as shown in fig. 5, when the handle 2 rotates further until the handle 2 contacts the limit plunger 5 (for example, rotates 20 °), the limit plunger 5 has a significant resistance to the handle 2, which reminds passengers that if the handle rotates further, the limit plunger 5 will be crossed to start mechanical unlocking, which effectively distinguishes mechanical unlocking from electronic unlocking.

Example 2:

embodiment 2 is a method for manufacturing an automobile inside handle, comprising the following steps:

the method comprises the following steps: firstly, injection molding is carried out on the connecting inner part 204 through an injection mold, wherein the material used for injection molding of the connecting inner part 204 is PC/ABS + GF 30;

step two: rotating the connecting inner part 204 and an injection mold thereof by 180 degrees, installing an injection mold used by the handheld outer part 203, and performing injection molding on the handheld outer part 203, wherein the injection molding material of the handheld outer part 203 is electroplating-grade PC/ABS, and then electroplating the handheld outer part 203 to complete the manufacture of the handle 2; (ii) a

Step three: injection molding the handle base 1;

step four: the handle 2 is arranged on the handle base 1 to complete the manufacture of the inner handle ring.

In this technical scheme, because handle 2 wall thickness itself is great, adopt the bijection to mould plastics and avoid the shrink inhomogeneous problem of moulding plastics such as pit that leads to appear in the surface, compare in disposable injection moulding simultaneously, adopt the bijection to mould plastics and be favorable to improving handle 2 intensity, make it satisfy customer's intensity and durability test requirement. In addition, the connection inner part 204 is made of PC/ABS + GF30 materials, the handle is light and handy, the handle has better strength, the strength of the handle 2 meets the test requirement, the handheld outer part 203 is made of electroplating-grade PC/ABS, electroplating is facilitated, and the attractiveness is improved.

It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The above examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.

Claims

1. An automobile inner handle is characterized by comprising

A handle base (1),

the electronic lock is characterized by comprising a microswitch (7), wherein the microswitch (7) is used for controlling the electronic lock to be opened and closed, and the microswitch (7) is fixed on the handle base (1);

the handle (2) is rotatably connected to the handle base (1), and the handle (2) comprises a handheld outer part (203) and a connecting inner part (204) for controlling the opening and closing of the microswitch (7) and the opening and closing of the mechanical lock;

the limiting plunger (5), the limiting plunger (5) is used for stopping the handle (2), the limiting plunger (5) is arranged on the handle base (1), a plunger mounting structure for mounting the limiting plunger (5) is arranged on the handle base (1), a first reset spring (6) is arranged in the plunger mounting structure, and the first reset spring (6) is sleeved outside the limiting plunger (5); the limiting plunger (5) comprises a mounting end (501) and a contact end (503), the end face of the contact end (503) is provided with an arc-shaped plate structure, a contact arm (202) which is used for being in contact with the contact end (503) of the limiting plunger (5) before mechanical unlocking is triggered is arranged on the handle (2), a fillet structure which is used for pushing the contact end (503) to move axially is arranged on the contact arm (202), and the fillet structure is matched with the arc-shaped plate structure.

2. The automobile inner handle as claimed in claim 1, wherein the plunger mounting structure comprises a mounting groove (101) for arranging the mounting end (501) and a limiting mounting hole sleeved outside the contact end (503).

3. The automobile inner handle as claimed in claim 2, wherein a through hole structure for avoiding obstructing the axial movement of the limit plunger (5) is arranged at the bottom of the mounting groove (101).

4. The automobile inner handle as claimed in claim 2, wherein a limiting protrusion (502) is arranged on the limiting plunger (5), and the limiting protrusion (502) is arranged close to the contact end (503).

5. An automobile inner handle according to claim 1, characterized in that a contact plate (201) for triggering the microswitch (7) is arranged on the handle (2), and the contact arm (202) is arranged on the contact plate (201).

6. The vehicle inner handle according to any one of claims 1 to 5, characterized by further comprising a rotating shaft (3), wherein the handle (2) is rotatably connected to the handle base (1) through the rotating shaft (3), and a second return spring (4) for driving the handle (2) to return is sleeved outside the rotating shaft (3).

7. The method for manufacturing the automobile inside handle according to claim 1, comprising the steps of:

the method comprises the following steps: firstly, the connecting inner part (204) is formed by injection molding through an injection mold;

step two: rotating the connecting inner part (204) and an injection mold thereof by 180 degrees, installing an injection mold used by the handheld outer part (203), injection molding the handheld outer part (203), and electroplating the handheld outer part (203) to complete the manufacture of the handle (2);

step three: the handle base (1) is molded by injection;

step four: the handle (2) is arranged on the handle base (1) to complete the manufacture of the inner handle ring.

8. The method for manufacturing the automobile inner handle is characterized in that in the step one, the material for injection molding of the connecting inner part (204) is PC/ABS + GF30, and in the step two, the injection molding material of the handheld outer part (203) is plating-grade PC/ABS.