Hidden automobile door handle of heavy-duty automobile

By employing an outward-opening handle that rotates downwards in the concealed door handle of heavy-duty vehicles and a double-hinge cantilever structure, the stability and comfort issues in existing technologies have been resolved, resulting in a more stable and quieter operating experience.

CN223880950UActive Publication Date: 2026-02-06SHAANXI HEAVY DUTY AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202423069775.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2026-02-06
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

The existing heavy-duty vehicle concealed door handles have a rotating pin arranged vertically, resulting in poor handle stability, uncomfortable user operation, and vibration and noise during the reset process.

Method used

It adopts an opening method with an outward-opening handle that rotates downwards. The main pin is arranged laterally along the vehicle. The outward-opening handle and handle base adopt a double-hinge cantilever structure and are equipped with a buffer damper and sealing strip to improve stability and comfort.

Benefits of technology

The opening stability of the outward-opening handle has been enhanced, reducing shaking and noise, meeting the user's need for comfortable operation, and reducing noise and resistance during vehicle operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a hidden door handle of a heavy-duty car, which is embedded into a car door metal plate and comprises an outward-opening handle, a handle base and a handle cover plate. One end of the handle base is connected with the outward-opening handle, and the other end is connected with the handle cover plate; the outward-opening handle is provided with a rack and movably connected with the handle base through a main pin shaft, the two ends of the main pin shaft are sleeved with reset torsional springs, and the handle cover plate is connected with the handle base in a clamped mode and fixed through screws. The handle base is provided with a driven gear, an outward-opening rocker arm, an electric push rod and a lock cylinder, and the handle cover plate is provided with an outward-opening pull wire; the rack is meshed with the driven gear, the driven gear is connected with the outward-opening rocker arm, and the outward-opening rocker arm is connected with the electric push rod and the lock cylinder. A downward rotating opening mode is adopted, the outward-opening handle and the handle base are connected through the main pin shaft, a double-hinge cantilever structure is formed, stability is improved, actions such as wrist and arm rotation which are poor in comfort are reduced, and the use comfort of a user is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle accessory technical field especially, relates to a heavy -duty vehicle hidden type door handle. BACKGROUND

[0002] At present, the hidden type door handle more applied to heavy -duty vehicle adopts narrow type slender shape, and rotating pin shaft is arranged along the vertical direction, and rotating pin shaft adopts shorter single hinge cantilever structure;After the unlocking of the door, the user makes it automatic rotation through pressing one end of the door handle or through motor, and the door handle will pop out to the appropriate position around a fixed pin shaft, meet the user's finger to stretch into the space, then the user's finger holds the door handle and continues to pull the handle to make it rotate around the pin shaft, and the handle drives the outer opening swing arm to rotate around the pin shaft, and then drives the outer opening pull line to unlock the door, so as to open the door;

[0003] However, rotating pin shaft is arranged along the vertical direction of the vehicle, and rotating pin shaft adopts shorter single hinge cantilever structure, which leads to poor stability of the handle during rotation, and the gap is not easy to guarantee, and since the heavy -duty vehicle cab is high, the user needs to raise the arm to hold the outer handle, and needs to rotate the wrist and arm to rotate the outer handle, complete the door unlocking, and continuously pull the door to complete the door opening operation, which does not meet the comfortable use posture of the user;At the same time, the door handle opening force loss is large, and it is not smooth;And the door handle is only subjected to the reset elastic force of torsional spring during the reset process, and there is no damping to slow down, so the door handle has great speed and acceleration, and therefore the door handle and the base collide rapidly, and vibration and noise are generated. UTILITY MODEL CONTENTS

[0004] The utility model aims at the shortage of prior art to provide a heavy -duty vehicle hidden type door handle, and the outer opening handle adopts the opening mode of downward rotation, the main pin shaft is arranged along the transverse direction of the vehicle, the outer opening handle and the handle base adopt double hinge cantilever structure, improve the opening stability of the outer opening handle, reduce the shaking, and provide user use comfort.

[0005] The utility model is implemented by adopting the following technical scheme:

[0006] A heavy -duty vehicle hidden type door handle, the hidden type door handle is embedded in the inside of the door panel, and it is composed of an outer opening handle, a handle base and a handle cover plate;One end of the handle base is connected with the outer opening handle, and the other end of the handle base is connected with the handle cover plate;

[0007] The outer opening handle is provided with a rack, and the outer opening handle is movably connected with the handle base through a main pin shaft, and reset torsional springs are arranged on both ends of the main pin shaft, and the handle cover plate is clamped with the handle base and fixed through screws;

[0008] The handle base is provided with a driven gear, an outer opening rocker arm, an electric push rod and a lock cylinder, and the handle cover plate is provided with an outer opening pull wire; the rack is engaged with the driven gear, the driven gear is connected with the outer opening rocker arm, and the outer opening rocker arm is connected with the electric push rod and the lock cylinder respectively.

[0009] Preferably, a sealing strip is arranged between the outer opening handle and the handle base, and the sealing strip is provided with upper and lower shock-absorbing limiting blocks.

[0010] Preferably, the handle base is further provided with a buffer damper and a positioning block, the buffer damper is positioned by the positioning block, and the buffer damper is fixedly connected with the handle base by a positioning pin.

[0011] The driven gear and the outer opening rocker arm are connected with the handle base through a vice pin shaft.

[0012] The driven gear is provided with a driven gear strip and a driven gear groove, the driven gear strip is engaged with the rack, the outer opening rocker arm is provided with a cylindrical stop block, the cylindrical stop block is arranged in the driven gear groove, and the buffer damper is engaged with the rack.

[0013] One end of the outer opening rocker arm is connected with the electric push rod, and the other end of the outer opening rocker arm is connected with the lock cylinder.

[0014] Preferably, the handle cover plate is provided with a mounting groove, the outer opening pull wire is arranged in the mounting groove, the outer opening pull wire is provided with a cylindrical connecting sleeve, one end of the outer opening rocker arm is connected with the electric push rod and the outer opening pull wire through the cylindrical connecting sleeve, the other end of the outer opening rocker arm is provided with a mounting hole, and the lock cylinder is connected with the outer opening rocker arm through the mounting hole.

[0015] Preferably, the top rod is arranged at the upper end of the electric push rod, the top rod is connected with the outer opening pull wire, the cylindrical connecting sleeve is arranged at the connection position of the top rod and the outer opening pull wire, and the outer opening rocker arm is connected with the top rod and the outer opening pull wire through the cylindrical connecting sleeve.

[0016] Preferably, the lock cylinder is arranged in the handle base through the handle cover plate and is fixed by a clamp, the lock cylinder is provided with a lock cylinder rocker arm, and the lock cylinder rocker arm is connected with the outer opening rocker arm through a lock cylinder pull rod.

[0017] The lock cylinder pull rod is arranged in the mounting hole of the outer opening rocker arm through the lock cylinder rocker arm, and the lock cylinder pull rod is fixed with the lock cylinder rocker arm by a buckle.

[0018] Preferably, the electric push rod is provided with a plug-in connector at the lower end, the handle cover plate is further provided with a touch switch, the contact part of the touch switch is abutted with the top rod, and the connecting part of the touch switch is connected with the plug-in connector.

[0019] Preferably, the outer handle is further provided with a manual reset mechanism, and the manual reset mechanism is in abutment with the reset torsional spring.

[0020] Preferably, the outer handle is a double rack structure integrally injection molded.

[0021] Preferably, the rack includes a left rack and a right rack, the left rack is in engagement with the driven gear rack, and the buffer damper is in engagement with the left rack; and the left rack and the right rack are both sleeved with a sealing ring.

[0022] Compared with the prior art, the utility model has the following beneficial technical effects:

[0023] The hidden door handle is embedded into the door panel, the door is flush, has no protrusion, can realize electric pop-up, automatic reset hiding and linkage opening with the door lock, effectively reduces noise and resistance in the process of vehicle driving, improves the appearance of overall modeling and the intelligent level of the whole vehicle.

[0024] The outer handle adopts a double rack structure integrally injection molded, and is sealed by the sealing strip, so that various dust and rainwater are prevented from being retained, and the inner side area of the door handle is kept clean and free of stains.

[0025] The outer handle adopts a downward rotating opening mode, the main pin shaft is arranged along the transverse direction of the vehicle, the outer handle is connected with the handle base through the main pin shaft, a double-hinge cantilever structure is formed, the opening stability of the outer handle is improved, and shaking is reduced; in addition, the outer handle meets the operation space of four-finger width of the user, in the case that the height of the heavy truck cab is high, the door can be opened by pulling downward, the user's action of poor comfort such as rotating the wrist and arm is reduced, and the user's use comfort is improved.

[0026] The handle base is provided with the buffer damper, in the reset process of the outer handle, the left rack of the outer handle drives the driven gear and the buffer damper to rotate, so that the resistance in the buffer damper is transmitted to the outer handle, the reset speed of the outer handle under the reset elastic force is reduced, the collision between the outer handle and the upper and lower shock limiting blocks is slowed down, and vibration and collision sound generated due to the rapid reset of the outer handle are avoided. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is an explosion structure schematic view of the utility model;

[0028] Figure 2 It is an installation effect view of the utility model and the door panel;

[0029] Figure 3 It is a schematic view of the opening state of the outer handle in the utility model;

[0030] Figure 4 is a front view schematic diagram of the outside handle in the closed state of the utility model;

[0031] Figure 5 is a rear view schematic diagram of the outside handle in the closed state of the utility model;

[0032] Figure 6 is a right view of the outside handle in the closed state of the utility model;

[0033] Figure 7 is a left view of the outside handle in the closed state of the utility model;

[0034] Figure 8 is a left view of the outside handle in the closed state of the utility model; Figure 1

[0035] Figure 9 is a left view of the outside handle in the closed state of the utility model; Figure 2

[0036] Figure 10 is a left view of the outside handle in the closed state of the utility model; Figure 3

[0037] Figure 11 is a state schematic diagram of the outside handle in the closed state of the utility model and the buffer damper;

[0038] Figure 12 is a state schematic diagram of the outside handle in the closed state of the utility model and the buffer damper; Figure 1

[0039] Figure 13 is a state schematic diagram of the outside handle in the closed state of the utility model and the buffer damper; Figure 2

[0040] Reference signs

[0041] ​​​​​1, outer handle; 101, rack; 1011, left rack; 1012, right rack; 102, manual reset mechanism; 2, sealing ring; 3, sealing strip; 4, upper shock limiting block; 5, handle base; 501, positioning block; 502, positioning pin; 6, lower shock limiting block; 7, point touch switch; 8, kingpin; 9, reset torsional spring; 10, plug-in device; 11, electric push rod; 111, ejection rod; 12, handle cover plate; 121, mounting groove; 13, outer opening pull wire; 131, cylindrical connecting sleeve; 14, outer opening rocker arm; 141, cylindrical stop block; 15, buffer damper; 16, sub pin; 17, lock cylinder; 171, clamp; 172, lock cylinder rocker arm; 173, buckle; 18, driven gear; 181, driven gear rack; 182, driven gear groove; 19, lock cylinder pull rod; 20, door sheet metal. DETAILED DESCRIPTION

[0042] In order to make the person skilled in the art better understand the technical scheme in the utility model, the technical scheme in the utility model embodiment will be clearly and completely described below in combination with the drawings in the utility model embodiment. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor should belong to the protection scope of the utility model.

[0043] A heavy truck hidden door handle, the hidden door handle is embedded in the door sheet metal 20, comprising an outer handle 1, a handle base 5 and a handle cover plate 12; one end of the handle base 5 is connected with the outer handle 1, and the other end of the handle base 5 is connected with the handle cover plate 12.

[0044] The outer handle 1 is provided with a rack 101, the outer handle 1 is movably connected with the handle base 5 through a kingpin 8, the kingpin 8 is sleeved with a reset torsional spring 9 at both ends, the handle cover plate 12 is clamped with the handle base 5 and is fixed through a screw.

[0045] The handle base 5 is provided with a driven gear 18, an outer opening rocker arm 14, an electric push rod 11 and a lock cylinder 17, and the handle cover plate 12 is provided with an outer opening pull wire 13; the rack 101 is engaged with the driven gear 18, the driven gear 18 is connected with the outer opening rocker arm 14, and the outer opening rocker arm 14 is connected with the electric push rod 11 and the lock cylinder 17 respectively.

[0046] A sealing strip 3 is arranged between the outer handle 1 and the handle base 5, and the sealing strip 3 is provided with an upper shock limiting block 4 and a lower shock limiting block 6.

[0047] The handle base 5 is further provided with a buffer damper 15 and a positioning block 501, the buffer damper 15 is positioned through the positioning block 501, and the buffer damper 15 is fixedly connected with the handle base 5 through a positioning pin 502.

[0048] The driven gear 18 and the outer opening rocker arm 14 are connected with the handle base 5 through the sub pin shaft 16;

[0049] The driven gear 18 is provided with a driven gear strip 181 and a driven gear groove 182, the driven gear strip 181 is engaged with the rack 101; the outer opening rocker arm 14 is provided with a cylindrical stopper 141, the cylindrical stopper 141 is arranged in the driven gear groove 182, and the buffer damper 15 is engaged with the rack 101;

[0050] One end of the outer opening rocker arm 14 is connected with the electric push rod 11, and the other end of the outer opening rocker arm 14 is connected with the lock cylinder 17.

[0051] The handle cover plate 12 is provided with a mounting groove 121, the outer opening pull wire 13 is arranged in the mounting groove 121, the outer opening pull wire 13 is provided with a cylindrical connecting sleeve 131, one end of the outer opening rocker arm 14 is connected with the electric push rod 11 and the outer opening pull wire 13 through the cylindrical connecting sleeve 131, and the other end of the outer opening rocker arm 14 is provided with a mounting hole, and the lock cylinder 17 is connected with the outer opening rocker arm 14 through the mounting hole.

[0052] The upper end of the electric push rod 11 is provided with an ejection rod 111, the ejection rod 111 is connected with the outer opening pull wire 13, the cylindrical connecting sleeve 131 is arranged at the connection position of the ejection rod 111 and the outer opening pull wire 13, and the outer opening rocker arm 14 is connected with the ejection rod 111 and the outer opening pull wire 13 through the cylindrical connecting sleeve 131.

[0053] The lock cylinder 17 is arranged in the handle base 5 through the handle cover plate 12 and is fixed through a clamp 171; the lock cylinder 17 is provided with a lock cylinder rocker arm 172, and the lock cylinder rocker arm 172 is connected with the outer opening rocker arm 14 through a lock cylinder pull rod 19;

[0054] The lock cylinder pull rod 19 is arranged in the mounting hole arranged in the outer opening rocker arm 14, and the lock cylinder pull rod 19 is fixed with the lock cylinder rocker arm 172 through a buckle 173.

[0055] The lower end of the electric push rod 11 is provided with a plug connector 10, and the handle cover plate 12 is further provided with a touch switch 7, the contact part of the touch switch 7 is abutted with the ejection rod 111, and the connecting part of the touch switch 7 is connected with the plug connector 10.

[0056] The outer opening handle 1 is further provided with a manual reset mechanism 102, and the manual reset mechanism 102 is abutted with the reset torsional spring 9.

[0057] The outer opening handle 1 is a double-rack structure formed by one-piece injection molding.

[0058] The rack 101 includes a left rack 1011 and a right rack 1012, the left rack 1011 is engaged with the driven gear strip 181, and the buffer damper 15 is engaged with the left rack 1011; the left rack 1011 and the right rack 1012 are both sleeved with a sealing ring 2.

[0059] In the closed state of the door, the outer handle 1 is flush with the door panel 20, without protruding, and is extruded by the sealing strip and the outer handle 1, realizing the sealing between the outer handle 1 and the handle base 5, blocking rain, dust and stains from entering the inner area of the outer handle 1 and the outer handle base 5, and realizing the sealing between the outer handle 1 and the door panel 20, blocking rain, dust and stains from entering the inside of the door panel 20;

[0060] When the door needs to be opened, after the door is unlocked, the ejector rod 111 of the electric push rod 11 slowly moves outward, overcoming the spring force of the reset torsional spring 9, so that the outer handle 1 rotates around the main pin shaft 8, the rack 101 rotates around the main pin shaft 8 with the outer handle 1, the left rack 1011 engages with the driven gear rack 181, so that the driven gear 18 rotates around the secondary pin shaft 16 fixed to the handle base 5, until the driven gear recess 182 contacts the cylindrical stop block 141 of the outer opening rocker arm 14, the outer handle 1 has been rotated outward by a certain angle, at this time the remaining fingers can be inserted into the handle, pulling the inner contact surface of the outer handle 1, or during the outward rotation of the outer handle 1, when the opening of the outer handle 1 meets the space requirement of the fingers, the remaining fingers are inserted, and the outer handle 1 is continuously pulled to open outward, so that the outer handle 1 continues to rotate around the main pin shaft 8, until the driven gear recess 182 contacts the cylindrical stop block 141 of the outer opening rocker arm 14, the cylindrical stop block 141 is pulled by the driven gear recess 182, so that the outer opening rocker arm 14 rotates around the secondary pin shaft 16, thereby pulling the outer opening pull wire 13 clamped on the handle cover plate 12 through the cylindrical connecting sleeve 131, realizing the unlocking of the door; In special cases such as low battery or failure of the remote key, the thumb can press the manual reset mechanism 102 on the lower right side of the outer handle 1, overcoming the spring force of the reset torsional spring 9, so that the outer handle 1 rotates around the main pin shaft 8, and the above operation is repeated.

[0061] After the door is unlocked and opened, the outer handle 1 is released, the outer handle 1 is rotated to reset around the main pin shaft 8 by the spring force of the reset torsional spring 9, the left rack 1011 rotates around the main pin shaft 8 with the outer handle 1, the left rack 1011 on the outer handle 1 engages with the driven gear rack 181, thereby driving the buffer damper 15 to rotate around the secondary pin shaft 16 fixed to the handle base 5, until the outer handle 1 is extruded by the sealing strip 3 and contacts the upper shock limiting block 4 and the lower shock limiting block 6, realizing the reset and sealing of the outer handle 1, and the outer opening pull wire 13 pulls the outer opening rocker arm 14 back to the initial position.

Claims

1. A concealed door handle for heavy duty vehicles, characterized in that The hidden door handle is embedded in the door panel (20), comprising an outer handle (1), a handle base (5) and a handle cover plate (12); one end of the handle base (5) is connected with the outer handle (1), and the other end of the handle base (5) is connected with the handle cover plate (12); The outer handle (1) is provided with a rack (101), and the outer handle (1) is movably connected with the handle base (5) through a kingpin (8), both ends of the kingpin (8) are provided with a reset torsional spring (9), the handle cover plate (12) is clamped with the handle base (5) and is fixed through a screw; The handle base (5) is provided with a driven gear (18), an outer opening rocker arm (14), an electric push rod (11) and a lock cylinder (17), and the handle cover plate (12) is provided with an outer opening pull wire (13); the rack (101) is engaged with the driven gear (18), the driven gear (18) is connected with the outer opening rocker arm (14), and the outer opening rocker arm (14) is connected with the electric push rod (11) and the lock cylinder (17) respectively.

2. The hidden door handle for heavy duty vehicles of claim 1, wherein, A sealing strip (3) is arranged between the outer handle (1) and the handle base (5), and the sealing strip (3) is provided with an upper damping limiting block (4) and a lower damping limiting block (6).

3. A concealed door handle for a heavy duty vehicle as claimed in claim 2, wherein, The handle base (5) is further provided with a buffer damper (15) and a positioning block (501), the buffer damper (15) is positioned through the positioning block (501), and the buffer damper (15) is fixedly connected with the handle base (5) through a positioning pin (502); The driven gear (18) and the outer opening rocker arm (14) are connected with the handle base (5) through a sub kingpin (16); The driven gear (18) is provided with a driven gear rack (181) and a driven gear groove (182), and the driven gear rack (181) is engaged with the rack (101); the outer opening rocker arm (14) is provided with a cylindrical stop block (141), the cylindrical stop block (141) is arranged in the driven gear groove (182), and the buffer damper (15) is engaged with the rack (101); One end of the outer opening rocker arm (14) is connected with the electric push rod (11), and the other end of the outer opening rocker arm (14) is connected with the lock cylinder (17).

4. The hidden door handle for heavy duty vehicles of claim 3, wherein, The handle cover plate (12) is provided with a mounting groove (121), the outer opening pull wire (13) is arranged in the mounting groove (121), the outer opening pull wire (13) is provided with a cylindrical connecting sleeve (131), one end of the outer opening rocker arm (14) is connected with the electric push rod (11) and the outer opening pull wire (13) through the cylindrical connecting sleeve (131), and the other end of the outer opening rocker arm (14) is provided with a mounting hole, and the lock cylinder (17) is connected with the outer opening rocker arm (14) through the mounting hole.

5. The hidden door handle for heavy duty vehicles of claim 3, wherein, The electric push rod (11) is provided with an ejection rod (111) at the upper end, the ejection rod (111) is connected with the outer opening pull wire (13), the cylindrical connecting sleeve (131) is arranged at the connection between the ejection rod (111) and the outer opening pull wire (13), and the outer opening rocker arm (14) is connected with the ejection rod (111) and the outer opening pull wire (13) through the cylindrical connecting sleeve (131).

6. The concealed door handle for heavy duty vehicles of claim 4, wherein, The lock core (17) is arranged in the handle base (5) through the handle cover plate (12) and is fixed through a clamp (171); the lock core (17) is provided with a lock core rocker arm (172), the lock core rocker arm (172) is connected with the outer opening rocker arm (14) through a lock core pull rod (19); The lock core pull rod (19) is arranged in the mounting hole of the outer opening rocker arm (14) through the lock core rocker arm (172), and the lock core pull rod (19) and the lock core rocker arm (172) are fixed through a buckle (173).

7. The concealed door handle for heavy duty vehicles of claim 5, wherein, The electric push rod (11) is provided with a plug connector (10) at the lower end, the handle cover plate (12) is also provided with a touch switch (7), the contact part of the touch switch (7) abuts against the ejection rod (111), and the connecting part of the touch switch (7) is connected with the plug connector (10).

8. The concealed door handle for heavy duty vehicles of claim 1, wherein, The outer opening handle (1) is also provided with a manual reset mechanism (102), and the manual reset mechanism (102) abuts against the reset torsional spring (9).

9. The concealed door handle for heavy duty vehicles of claim 1, wherein, The outer opening handle (1) is an integrated injection molded double rack structure.

10. The hidden door handle for heavy duty vehicles of claim 3, wherein, The rack (101) comprises a left rack (1011) and a right rack (1012), the left rack (1011) is engaged with the driven gear rack (181), and the buffer damper (15) is engaged with the left rack (1011); the left rack (1011) and the right rack (1012) are both sleeved with a sealing ring (2).