CN211598135U

CN211598135U - Novel mounting structure of hidden handle

Info

Publication number: CN211598135U
Application number: CN201921459597.0U
Authority: CN
Inventors: 程刚; 杨宪元; 周鹏飞; 顾秀凤
Original assignee: Shanghai Jiamu Automobile Parts Co ltd
Current assignee: Shanghai Jiamu Automobile Parts Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-09-29
Anticipated expiration: 2029-09-04

Abstract

The utility model provides a novel hidden handle mounting structure, which comprises a tolerance adjuster, a bolt assembly, an inner metal plate and a hidden handle, wherein the tolerance adjuster comprises a spring plate adjusting stud, a clamping pin positioning nut and a locking piece, the upper part of the clamping pin positioning nut is provided with a first boss, and the edge of the first boss is provided with a clamping pin; a bolt through hole and a buckle structure matched with the fixing clamping pin are arranged on a bottom plate of the handle base positioning structure; and an elastic holding structure is arranged in a cavity of the stud at the lower part of the elastic sheet adjusting stud. The tolerance regulator and the hidden handle have simple structures and low cost investment, the hidden handle is assembled by the tolerance regulator and adopts a forward screwing or forward pressing mode, the assembly efficiency is high, the hidden handle adopts three-point or four-point positioning, and the stability and the firmness are good; and the purposes of full-automatic three-dimensional tolerance adjustment and zero-external-stress installation are realized.

Description

Novel mounting structure of hidden handle

Technical Field

The utility model relates to an installation field of handle specifically relates to a novel hidden mounting structure of handle.

Background

Along with market change and electronic technology's development, automotive electronics part constantly increases, and the function is abundanter, needs more part installations in the automobile body, leads to the structure narrower and small, and the assembly is more complicated, and electronic parts has proposed higher requirement to the convenience of fixed stability, dismouting simultaneously to it is effectual to require the antidetonation, has also proposed higher requirement to the installation of automobile parts. Meanwhile, in the current market, because of the lack of three-dimensional adjustment tolerance to constrain parts, for the convenience of assembly and maintenance, the gap between the parts is increased or the fixing effect is sacrificed by increasing the structure of automobile parts, so as to meet the requirement of the service space of a maintenance tool. At present, the common solutions are that the metal bolt is positioned and installed by a kidney-shaped hole, or the metal bolt is fixedly installed by forced deformation of a part fixing position, or the metal bolt only meets the position tolerance of one direction dimension and sacrifices the fixed installation of the other two direction dimensions, or the metal bolt is fixedly installed by adding a cushion block or a balance block. The same happens in the installation of a fixed glass cleaning kettle, the installation of fixed automobile instrument electric appliances, the installation of fixed automobile lamps, the installation of fixed skylights, the installation of fixed battery modules, the installation of fixed electric appliance boxes and brackets, the installation of fixed automobile trunk brackets, the installation of fixed oil filler caps, the installation of charging filler caps and the like.

If the automobile door comprises an automobile door outer metal plate and an automobile door inner metal plate, the conventional door handle is divided into an outer handle structure and an inner handle structure, and the inner handle structure and the outer handle structure are separated by the automobile door outer metal plate, so that more fixing points are arranged on the handle; the hidden handle is formed by integrally slotting the outer metal plate of the vehicle door and is integrally embedded into the outer metal plate. The installation of the present hidden handle has the following problems:

(1) after the outer metal plate and the inner metal plate of the vehicle door are assembled and fixed, the inner metal plate and the outer metal plate have assembly deviation, and the height and the position of the inner metal plate and the outer metal plate have deviation in 3 directions, so that the appearance and the using effect of handle assembly are influenced, and therefore, the tolerance of X/Y/Z3 directions needs to be adjusted; the outer handle is a key point of the appearance design of the whole vehicle, and the requirement on matching between the outer handle and an outer metal plate is extremely high, so that the requirements on installation positioning of a hidden handle and tolerance adjustment in 3 directions are very high;

(2) meanwhile, on the basis of the use characteristics of the automobile, the handle and the metal plate are generally required to be firmly fixed on the premise of adjusting the tolerance, and the looseness caused by vibration and shrinkage at different temperatures can be resisted;

(3) in addition, the structure in the door is complicated, and the inside has glass-frame riser, lock mechanism etc. to lead to the space narrow and small, the assembly difficulty.

Therefore, there is a particular need for a simple, quick, stable assembly structure and method that ensures good economic efficiency in high volume industrial production.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims at providing a novel mounting structure of a hidden handle, the mounting mode of the hidden handle of the tolerance regulator in the utility model adopts forward screwing or forward pressing is adopted, the installation is simple and convenient, the assembly efficiency is high, the hidden handle adopts a three-point or four-point positioning mode, and the stability and the firmness are good; and the full-automatic three-dimensional tolerance is adjusted, and zero external stress installation makes the installation process more smooth and easy, and the cost is reduced by a wide margin.

According to one aspect of the utility model, a novel mounting structure of a hidden handle is provided, which comprises a tolerance adjuster (1), a bolt component (2), an inner metal plate (3) and a hidden handle (4); the bolt assembly (2) comprises a fastening bolt (21) and a fixing gasket (22); a first open slot and a bolt mounting through hole are formed in the inner metal plate (3), and a fixing nut (31) concentric with the bolt mounting through hole is welded on the bottom end face of the inner metal plate (3); a handle base positioning structure (41) is arranged on the hidden handle (4); the tolerance regulator (1) comprises a spring plate regulating stud (11), a clamping pin positioning nut (12) and a locking sheet (13), wherein the spring plate regulating stud (11) and the clamping pin positioning nut (12) are both of hollow cavity structures and consist of bosses and studs, a first boss (121) is arranged at the upper part of the clamping pin positioning nut (12), and clamping pins are arranged at the edge of the first boss (121); a bolt through hole (411) and a buckle structure matched with and fixing a clamping pin are arranged on a bottom plate of the handle base positioning structure (41), the clamping pin on the clamping pin positioning nut (12) is buckled in the buckle structure on the handle base positioning structure (41), and the clamping pin freely moves in the buckle structure; the locking sheet (13) is arranged between the first boss (121) and the bottom end face of the handle base positioning structure (41), and the elastic sheet adjusting stud (11) is arranged in a cavity of a stud of the clamping pin positioning nut (12); an elastic holding structure (111) is arranged in a cavity of the stud at the lower part of the elastic sheet adjusting stud (11), and the elastic holding structure (111) holds the fastening bolt (21) after receiving friction torque and drives the elastic sheet adjusting stud (11) to rotate along with the rotation of the fastening bolt (21). Fastening bolt (21) pass bolt through hole (411), stay (13), card foot set nut (12), shell fragment adjusting stud (11), bolt installation via hole and fixation nut (31) on interior panel beating (3) of fixing washer (22), handle base location structure (41) in proper order, will hide handle (4) and pass through bolt assembly (2) and tolerance regulator (1) and fix on interior panel beating (3) to lock through fixation nut (31).

Preferably, a plurality of clamping pins are arranged on the clamping pin positioning nut (12), and the clamping pins are arranged on the edge of the first boss (121) at equal central angles by taking the center of circle of the first boss (121) as the center of circle; the buckle structure that cooperation fixed card foot was equipped with a plurality ofly on handle base location structure (41), just buckle structure is the same with the quantity of card foot, buckle structure uses the centre of a circle of bolt via hole (411) to set up around bolt via hole (411) as centre of a circle equal centre angle. The number of the clamping feet and the buckling structures is at least 2, preferably 3 or 4, so that the rotation movement of the tolerance regulator on the bottom end face of the handle base positioning structure can be effectively limited. If the clamping feet are provided with 3 clamping feet, the clamping feet are arranged at the edge of the first boss (121) at an equal central angle of 120 degrees, the clamping structures on the handle base positioning structure (41) are also provided with 3 clamping feet, the clamping feet are arranged at the periphery of the bolt through hole (411) at an equal central angle of 120 degrees, if the clamping feet are provided with 2 clamping feet, the clamping feet can be symmetrically arranged at the edge of the first boss (121), the clamping structures on the handle base positioning structure (41) are also provided with 2 clamping feet, and the clamping feet are symmetrically arranged at two sides of the bolt through hole (411).

Preferably, the clamping pin on the clamping pin positioning nut (12) is a flat clamping pin (123), the flat clamping pin (123) is horizontally arranged with the first boss (121), and a chamfer plane is arranged on the flat clamping pin (123); the handle base positioning structure is characterized in that a clamping hook (414) is arranged on the handle base positioning structure (41), one end of the clamping hook (414) is fixedly arranged at the bottom end face of the bottom plate of the handle base positioning structure (41), the other end of the clamping hook is of a hook-shaped structure, an open groove (415) is formed between the clamping hook and the bottom plate of the handle base positioning structure (41), a chamfer plane is arranged on the outer end face of the hook-shaped structure, an opening hole (413) is formed in the bottom plate of the handle base positioning structure (41) above the clamping hook (414), the flat clamping foot (123) is screwed into a movable groove formed by the handle base positioning structure (41) and the clamping hook (414), and the flat clamping foot (123) can freely move in the movable groove and cannot be separated from the. The opening (413) is a process hole, the processing is more convenient and simpler due to the arrangement of the opening (413), and the flat clamping pin (123) can be more smoothly pressed into the movable groove due to the chamfer plane arranged on the flat clamping pin (123) during assembly; the chamfer plane on the hook-shaped structure is arranged to help the flat clamping pin (123) to be pressed into the movable groove and prevent the flat clamping pin (123) from being separated from the clamping hook (414) when the flat clamping pin can freely move in the movable groove.

Preferably, the clamping leg on the clamping leg positioning nut (12) is a barb-shaped clamping leg (122), the barb-shaped clamping leg (122) is perpendicular to the first boss (121), the barb-shaped clamping leg (122) is an elastic clamping leg, and the upper part of the clamping leg is in a barb-shaped structure; the clamping structure on the handle base positioning structure (41) is a positioning hole (412), the barb-shaped clamping foot (122) is pressed into the positioning hole (412) and then bounced off, the barb at the upper part is clamped on the bottom plate of the handle base positioning structure (41), and the barb-shaped clamping foot (122) freely moves in the positioning hole (412) and cannot be disengaged. The barb-shaped clamping leg (122) is compressed and deformed under the stress, is bounced after the stress is released, and is buckled on the bottom plate of the handle base positioning structure (41), so that the barb-shaped clamping leg (122) can freely move in the positioning hole (412) but cannot be disengaged.

Preferably, the following conditions are satisfied among the positioning hole, the barb-shaped clamping foot and the X/Z direction adjusting range value: the width A of the positioning hole (412) and the thickness B, X/Z-direction adjustment range value C of the barb-shaped clamping foot (122) meet the following conditions: a ═ B + 2C; the length D of the positioning hole (412) and the width E, X/Z-direction adjustment range value C of the barb-shaped clamping foot (122) meet the following conditions: d ═ E + 2C.

Preferably, a second boss (113) is arranged at the upper part of the spring plate adjusting stud (11), radiation threads (114) are arranged on the bottom end face of the second boss (113), a stop block (115) is arranged at the edge of the top end face, an external thread (112) is arranged outside the stud at the lower part of the spring plate adjusting stud (11), and a stud thread stop broken end (116) is arranged at the contact end of the external thread (112) and the second boss (113); an accommodating cavity (124) is arranged in the cavity of the stud at the lower part of the clamping foot positioning nut (12), and an internal thread (125) matched with the external thread (112) is arranged in the accommodating cavity (124); the elastic sheet adjusting stud (11) is arranged in the accommodating cavity (124) of the clamping pin positioning nut (12) and is fixedly connected through threads; the end face of the opening end of the stud at the lower part of the clamping foot positioning nut (12) is provided with an anti-tight bump (127), the outer wall of the opening end is provided with a thread stop groove (128) and a stop rib (129) which are matched with the stop block (115), the inner wall of the opening end is provided with a nut thread stop head (130) which is matched with the stud thread stop head (116), and the stop rib (129) is arranged in the thread stop groove (128). And the anti-tightening and anti-backing structure of the tolerance regulator (1) is formed by an anti-tightening bump (127), a thread stop groove (128), a stop rib (129) and a nut thread stop break (130) in the clamping pin positioning nut (12), and a thread stop block (115) and a stud thread stop break (116) in the spring plate regulating stud (11). The elastic sheet adjusting stud (11) is screwed into the clamping pin positioning nut (12), and when the elastic sheet adjusting stud is screwed to the bottom, the stop block (115) is blocked by the thread stop groove (128) and the stop rib (129), or the stud thread stop end (116) touches the nut thread stop end (130), so that the elastic sheet adjusting stud (11) cannot be screwed in any more, the bottom surfaces of the elastic sheet adjusting stud (11) and the clamping pin positioning nut (12) are prevented from being screwed, namely the elastic sheet adjusting stud (11) cannot be screwed in any more when the elastic sheet adjusting stud is screwed to the bottom, two preventive measures are taken, and the anti-screwing double insurance is formed; when the elastic sheet adjusting stud (11) rotates in a working mode and exceeds a certain force, the stop block (115) goes over the backstop rib (129), the elastic sheet adjusting stud (11) continues to rotate and rise, and the elastic sheet adjusting stud enters a tooling state; the stop block (115) can prevent the elastic sheet adjusting stud (11) from falling out of the height of the working state caused by vibration in the transportation process. The anti-tight bump (127) can prevent the elastic sheet adjusting stud (11) and the clamping pin positioning nut (12) from forming vacuum adsorption. After the assembly, the bottom end face of the second boss (113) of the elastic sheet adjusting stud is abutted against and fastened with the inner metal plate (3), and the end face of the second boss (113) is provided with radial patterns, so that the friction force between the elastic sheet adjusting stud (11) and the inner metal plate (3) can be increased, the rotation of the elastic sheet adjusting stud (11) caused by vibration can be effectively prevented, and the anti-loosening effect is further achieved. The outer edge of the second boss (113) is a hexagonal outer edge, a quadrangular outer edge or a retracted 6-angle hole.

Preferably, the elastic holding structure (111) is a holding ring structure, an embedded annular spring piece, a U-shaped steel wire spring or a clamp spring structure;

the middle parts of the embedded annular spring piece, the U-shaped steel wire spring and the clamp spring structure are provided with holding holes, and the diameter of each holding hole is smaller than that of a stud of a fastening bolt (21);

the clasping ring structure comprises a clasping ring and supporting legs (1111), and the clasping ring is divided into a petal-shaped skirt clasping ring, an annular skirt clasping ring and a claw-shaped clasping ring; the supporting vertical edge is a process edge, if the elastic adjusting stud and the elastic holding structure are made of one material, the supporting vertical edge is not used, and if the materials are different, the supporting vertical edge is a processing process edge;

the annular skirt edge clasping ring is of an annular structure and comprises a first clasping ring (1112), and the first clasping ring (1112) is made of soft materials which are elastic bodies or rubber materials;

the edge of the petal-shaped skirt clasping ring is of a petal-shaped skirt structure and comprises a second clasping ring (1113) and a supporting vertical edge (1114), hollow holes (1115) are formed in the supporting vertical edge (1114), and the petal-shaped skirt clasping ring is made of an elastomer, rubber, POM (polyoxymethylene) glass fiber reinforced material, PP long glass fiber reinforced material, PA6, PA6 toughened material, PA6 glass fiber reinforced material, PA66, PA66 toughened material or PA66 glass fiber reinforced material;

the claw-shaped clasping ring comprises a fixing ring (1117) and clasping claws (1116), the clasping claws (1116) are provided with 3 petals and are all arranged on the inner wall of the fixing ring (1117) downwards, the claw-shaped clasping ring is made of engineering plastic materials, and the engineering plastic materials are POM, POM glass fiber reinforced materials, PP long glass fiber reinforced materials, PA6, PA6 toughened materials, PA6 glass fiber reinforced materials, PA66, PA66 toughened materials or PA66 glass fiber reinforced materials.

The clasping ring structure, the embedded annular spring piece, the U-shaped steel wire spring and the clamp spring structure can clasp the fastening bolt (21) to drive the elastic piece adjusting stud (11) to rotate.

Preferably, an inner hole (131) is formed in the locking sheet (13), the locking sheet (13) is arranged between the handle base positioning structure (41) and the clamping foot positioning nut (12), and both end faces of the locking sheet (13) are provided with a concave-convex surface, a rough surface or a plane which can increase friction force; the rough surface is formed by arranging radial raised stripes (132), raised ripples, raised annular ripples or scattering bumps on the end surface of the locking sheet (13), the rough surface is formed by performing electric corrosion, chemical corrosion or mechanical treatment on the end surface of the locking sheet (13), and the plane is formed by common processing.

Preferably, the end face of the locking sheet (13) is provided with a radial convex stripe (132). The fixing effect of the radial convex stripes (132) is better; the radial protruding stripe (132) of the locking sheet (13) can be pressed into the bottom end of the handle base positioning structure (41) to form an embedded structure, so that friction force is greatly increased, real and stable locking is formed, and the X/Z-direction position can be locked.

Preferably, the locking piece (13) is fixed in any one of the following manners:

the first fixing mode is as follows: the locking sheet (13) is arranged on the clamping pin positioning nut (12), a groove (126) is formed in the top end face of a first boss (121) of the clamping pin positioning nut (12), the locking sheet (13) is movably placed in the groove (126), a gap is formed between the groove (126) and the locking sheet (13), and radial protruding stripes (132) are arranged on the end face, facing the handle base positioning structure (41), of the locking sheet (13);

the second fixing mode is as follows: the locking sheet (13) is arranged on the clamping pin positioning nut (12), a groove (126) is formed in the top end face of a first boss (121) of the clamping pin positioning nut (12), the locking sheet (13) is tightly pressed into the groove (126), and a tight fit is formed between the groove (126) and the locking sheet (13) without a gap; the end face, facing the handle base positioning structure (41), of the locking sheet (13) is provided with radial protruding stripes (132);

the third fixing mode is as follows: the locking sheet (13) and the clamping pin positioning nut (12) are integrated by injection molding, radial raised stripes are arranged on the end face, facing the handle base positioning structure (41), of the first boss (121) of the clamping pin positioning nut (12), or annular stripes, radial stripes and salient points are arranged on the bottom end face of the handle base positioning structure (41);

the fourth fixing mode is as follows: the locking sheet (13) is arranged on the handle base positioning structure (41), an accommodating groove is formed in the bottom end face of the handle base positioning structure (41), the locking sheet (13) is pressed into the accommodating groove, and radial protruding stripes (132) are arranged on the end face, facing the clamping pin positioning nut (12), of the locking sheet (13);

the fifth fixing mode is as follows: a raised flange edge is arranged on an inner hole (131) of the locking sheet (13), the raised flange edge is pressed into a bolt through hole (411) of the handle base positioning structure (41), and radial raised stripes (132) are arranged on the end surface or two surfaces of the locking sheet (13) facing the clamping pin positioning nut (12);

the sixth fixing mode is as follows: the locking piece (13) and the handle base positioning structure (41) are molded into a whole by injection, radial raised stripes (132) are arranged on the end face, facing the clamping pin positioning nut (12), of the handle base positioning structure (41), or annular stripes, radial stripes and salient points are arranged on the top end face of the clamping pin positioning nut (12).

When the locking sheet (13) in the first fixing mode and the second fixing mode is arranged in the groove (126), the thickness of the locking sheet (13) is larger than the depth of the groove (126), so that the radial convex stripes (132) can be directly contacted with the bottom end surface of the handle base positioning structure (41), and the friction fastening force between the locking sheet (13) and the handle base positioning structure (41) is enhanced; in the first, second, fourth and fifth fixing modes, radial convex stripes (132) can be arranged on both end faces of the locking sheet (13).

Preferably, the fixed gasket (22) is any one of a flat gasket, a raised corrugated gasket, a raised annular corrugated gasket, a scattered convex point gasket or a rough surface gasket; the fastening bolt (21) and the fixed gasket (22) are split, or the fastening bolt (21) and the fixed gasket (22) are fixed into a whole to form the flange bolt.

Preferably, the condition that the diameter F of the bolt through hole (411) and the diameter H, X/Z-direction adjusting range value C of the stud of the fastening bolt (21) meet is as follows: f is more than or equal to H + 2C; the outer diameter G of the fixing gasket (22), the diameter H, X/Z direction adjusting range value C of a stud of the fastening bolt (21) and the safety value J meet the following conditions: g is more than or equal to F +2C + 2J; the outer diameter of the fixing gasket (22) is larger than the diameter of an inner hole (131) of the locking sheet (13); the elastic holding structure (111) of the elastic sheet adjusting stud (11) is made of different materials, the wall thickness and the elastic deformation of the holding structure (111) are deviated, and when the elastic holding structure (111) holds the bolt to move along the XZ direction, the XZ direction gap is different, so that an offset safety value J is set, the elastic holding structure (111) of the elastic sheet adjusting stud (11) made of various materials can be better adapted, and the safety value J is an empirical value and is generally more than or equal to 0.2-0.5 mm.

Preferably, 3 or 4 handle base positioning structures (41) are arranged on the hidden handle (4).

Preferably, the elastic sheet adjusting stud (11) and the clamping pin positioning nut (12) are made of plastic materials, so that the cost can be greatly reduced, and the overall weight of the tolerance adjuster is reduced.

Preferably, the locking piece (13) is made of metal or hard engineering plastics.

In order to achieve the purpose, the utility model also provides an installation method of the installation structure of the novel hidden handle, which comprises the installation of a tolerance adjuster (1) and a hidden handle base positioning structure (41), and the installation of the hidden handle (4) and an inner metal plate (3) and an outer metal plate (5); the tolerance adjuster (1) and the hidden handle (4) comprise a forward screwing installation mode and a forward pressing installation mode, and the hidden handle (4) and the inner metal plate (3) and the outer metal plate (5) adopt an installation mode of 3-point or 4-point positioning tolerance automatic adjustment.

Preferably, when the tolerance adjuster (1) and the hidden handle (4) are in a forward screwing installation mode, the clamping pin on the clamping pin positioning nut (12) is a flat clamping pin (123), and the buckling structure on the handle base positioning structure (41) is a clamping hook (414); the forward screwing installation mode comprises the following steps:

step one, installing the locking sheet (13) into a groove (126) of the clamping pin positioning nut (12), or fixing the locking sheet (13) at the bottom of a handle base positioning structure (41), and screwing the elastic sheet adjusting stud (11) into an accommodating cavity (124) of the clamping pin positioning nut (12) and screwing to the bottom;

secondly, a first boss (121) and a flat clamping pin (123) on the clamping pin positioning nut (12) are abutted to the bottom end face of the handle base positioning structure (41), the clamping pin positioning nut (12) is rotated to enable the flat clamping pin (123) to enter a clamping hook (414) from an open slot (415), the flat clamping pin (123) freely moves in a movable slot formed by the clamping hook (414) and the bottom end face of the handle base positioning structure (41) and cannot be separated, and the tolerance adjuster (1) moves at the bottom of the handle base positioning structure (41) along with the movement of the flat clamping pin (123);

and step three, referring to the step one and the step two, sequentially installing the tolerance regulator (1) on other handle base positioning structures (41) of the hidden handle (4) to complete the integral installation of the tolerance regulator (1) and the hidden handle (4).

Preferably, when the tolerance adjuster (1) and the hidden handle (4) are installed in a forward press-in mode, the clamping pin on the clamping pin positioning nut (12) is a barb-shaped clamping pin (122), and the buckling structure on the handle base positioning structure (41) is a positioning hole (412); the positive press-in mounting mode comprises the following steps:

secondly, pressing the barb-shaped clamping pin (122) on the clamping pin positioning nut (12) into the positioning hole (412), pressing the barb-shaped clamping pin (122) into the positioning hole (412) and then bouncing off, clamping a barb at the upper part on a bottom plate of the handle base positioning structure (41), enabling the barb-shaped clamping pin (122) to freely move in the positioning hole (412) and not to be separated, and enabling the tolerance regulator (1) to move at the bottom of the handle base positioning structure (41) along with the movement of the barb-shaped clamping pin (122);

Preferably, hide handle (4) and interior panel beating (3), outer panel beating (5) and adopt 3 points or 4 points positioning tolerance automatically regulated's mounting means includes the following step:

pushing a hidden handle (4), wherein a movable outer handle on the hidden handle (4) sequentially penetrates through slots in an inner metal plate (3) and an outer metal plate (5);

secondly, positioning the gap and height between the movable outer handle and the outer metal plate (5), further restraining the hidden handle (4) and the handle base positioning structures (41) at a fixed position, and positioning the spatial positions of the bolt mounting through holes on the handle base positioning structures (41) and the inner metal plate (3);

thirdly, the fastening bolt (21) sequentially penetrates through a fixing gasket (22), a handle base positioning structure (41) and a tolerance regulator (1), after the fastening bolt (21) reaches the position of an elastic holding structure (111) of the elastic sheet regulating stud (11), the fastening bolt (21) which rotates forwards is held by the elastic holding structure (111), friction force of the holding fastening bolt (21) generates friction torque to drive the elastic sheet regulating stud (11) to rotate, the elastic sheet regulating stud (11) rises after rotating, Y-direction regulating clearance is continuously reduced, after the end face of a second boss (113) of the elastic sheet regulating stud (11) is contacted with the plane of the inner metal plate (3), the elastic sheet regulating stud (11) stops moving forwards, and tolerance regulation in the axial Y direction is completed; after the second boss (113) is in contact with the inner metal plate (3) and is blocked, the fastening bolt (21) passes through the elastic holding structure (111) to continue to advance, finds a bolt mounting through hole of the inner metal plate (3) and passes through the through hole to enter a screw hole of the fixing nut (31), and in the process of entering the fixing nut (31), the fastening bolt (21) drives the fixing gasket (22) and the tolerance regulator (1) to move to the position in the same axial direction with the fixing nut (31), so that tolerance regulation in X/Z2 directions of a plane is completed; the rotating fastening bolt (21) continues to advance and is locked with the fixing nut (31), and the hidden handle (4) can be fixedly installed on the inner metal plate (3) after being locked;

and step four, referring to the step three, sequentially installing fastening bolts (21) on other handle base positioning structures (41) of the hidden handle (4), and locking other fixing nuts (31) on the inner metal plate (3), namely completing the installation of the whole hidden handle (4), the inner metal plate (3) and the outer metal plate (5).

The working principle is as follows: after the hidden handle is positioned by the outer tool, when the fastening bolt aligns the fixing nut on the inner metal plate, the tolerance adjuster rotates and rises, and freely moves in an adjusting gap in the X/Z direction with the fixing gasket, and moves to a position to be aligned by the fastening bolt under the condition of slight stress, so that the adjustment of tolerance in the XZ direction is realized;

in the tightening process of the fastening bolt, the clamping pin on the clamping pin positioning nut is buckled in a buckling structure on the handle base positioning structure, the clamping pin positioning nut is prevented from rotating, the elastic holding structure in the elastic sheet adjusting stud holds the fastening bolt tightly to drive the elastic sheet adjusting stud to rotate, and the elastic sheet adjusting stud moves in the Y-direction adjusting gap to realize Y-direction tolerance adjustment.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model relates to a novel hidden handle mounting structure, the processing of handle base is simpler, and the mounting means that the hidden handle of tolerance regulator packing adopts forward screw in or forward impressing is simple and convenient, and assembly efficiency is high, and extensive applicability satisfies the demand of more kinds of customer, and the cost input is lower;

(2) the utility model relates to a novel hidden handle mounting structure, the handle is the front installation operation during the assembly, the fixation of hidden handle is that the front is directly pushed into the panel beating, and then 3 or 4 positioning points are locked for installation, the operation is simple and convenient, and the engineering application is easy;

(3) the utility model relates to a novel hidden handle mounting structure, which is provided with 3 or 4 handle seat positioning structures, 3 or 4 points are positioned and mounted, thereby not only ensuring the stable and firm mounting of the handle and the metal plate, but also having low investment cost;

(4) the utility model relates to a novel hidden handle mounting structure, the mounting fixed point is provided with a tolerance adjuster, the automatic adjustment and locking action of the tolerance between the handle and the metal plate are automatically realized through the bolt screwing action in the assembling process, and the operation is simple and convenient;

(5) the utility model relates to a novel hidden handle mounting structure, tolerance adjuster through distributing partial function to handle base and bolt group, finally realized 3 parts and adjusted 3 directional tolerances to every part is the simplest design, solved the complicated problem with the simplest design, the cost reduces by a wide margin, the part processing degree of difficulty also reduces by a wide margin;

(6) the utility model relates to a novel hidden handle mounting structure, which realizes the locking and fixing of the X/Z two-direction structure on the plane in the tolerance adjuster, and is not simple friction locking, and is pressed and embedded into the handle seat positioning structure through the locking sheet of the radial convex stripe, if the part is moved, the shearing strength of the material must be broken through, the locking effect is greatly enhanced, and the real locking is formed in the horizontal direction; in the other axial direction, the position locking in the Y direction is realized by designing elastic sheet adjusting stud threads and positioning nut threads through a small thread lead angle and utilizing thread self-locking and large friction coefficient material design; finally, the locking and fixing after the position adjustment in 3 directions is real, stable and reliable are realized, and the loosening risk is reduced;

(7) the utility model relates to a novel hidden handle mounting structure, in the clearance and height matching between the handle and the outer metal plate, only the self weight of the part is needed, and no other external force influences the clearance and height matching, thus improving the assembly efficiency;

(8) the utility model relates to a novel hidden handle mounting structure, when the fastening bolt aligns inner metal plate and fixing nut, the fixing gasket, the locking sheet and the thread group assembly can move freely, the fastening bolt can find the mounting position without external force, the mounting with zero external stress is realized, and the mounting process is smoother;

(9) the utility model relates to a novel hidden handle mounting structure, the tolerance adjuster is provided with a tightening-proof retaining structure, which can effectively prevent the bottom surfaces of the elastic sheet adjusting stud and the clamping pin positioning nut from being screwed, and two preventive measures are taken to form double insurance against screwing; the stop block is arranged to prevent the elastic sheet adjusting stud from falling out of the working state height caused by vibration in the transportation process; the arranged anti-tight bump can prevent the elastic sheet adjusting stud from forming vacuum adsorption with the clamping pin positioning nut;

(10) the utility model relates to a novel hidden handle mounting structure, the elastic holding structure can hold the fastening bolt tightly to drive the elastic sheet adjusting stud to rotate for tolerance adjustment, and the elastic holding structure is provided with a plurality of types, such as a holding ring structure, an embedded annular spring piece, a U-shaped steel wire spring and a snap spring structure, which can meet various use requirements and has strong practicability;

(11) the utility model relates to a novel hidden handle mounting structure, the locking piece can be arranged on the handle base positioning structure or the clamping foot positioning nut, and the hidden handle mounting structure is flexible and changeable and meets various use requirements;

(12) the utility model relates to a novel hidden handle mounting structure, the tolerance regulator of the utility model can be applied to the mounting of a fixed glass cleaning kettle, the mounting of a fixed automobile instrument electric appliance, the mounting of a fixed automobile lamp, the mounting of a fixed skylight, the mounting of a fixed battery module, the mounting of a fixed electric appliance box and a bracket, the mounting of a fixed automobile trunk bracket, the mounting of a fixed oil filler cap and the mounting of a charging cap in a matching way;

(13) the utility model relates to a novel hidden mounting structure of handle, its simple structure, design benefit, effect are showing, and are with low costs, and the practicality is strong, is fit for promoting on a large scale.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the mounting structure of the hidden handle of the present invention;

fig. 2 is a schematic structural diagram of the tolerance regulator of the present invention;

fig. 3 is a schematic structural diagram of the elastic sheet adjusting stud of the present invention;

fig. 4 is a second schematic structural view of the elastic sheet adjusting stud of the present invention;

FIG. 5 is a first schematic view of a clip positioning nut with a flat clip of the present invention;

FIG. 6 is a second schematic view of the clip positioning nut with flat clip legs according to the present invention;

fig. 7 is a third schematic view of the clip positioning nut with flat clip legs according to the present invention;

fig. 8 is a first schematic view of a clip positioning nut with a clip in the shape of a barb;

fig. 9 is a second schematic view of the clip positioning nut with the clip in the shape of a barb;

fig. 10 is a third schematic view of the clip positioning nut with the clip in the shape of a barb;

fig. 11 is a schematic structural view of the locking piece of the present invention;

fig. 12 is a schematic structural view of the bolt assembly of the present invention;

fig. 13 is a first schematic structural view of the handle base positioning structure of the present invention, in which the fastening structure is a hook;

fig. 14 is a second schematic structural view of the handle base positioning structure of the present invention, in which the fastening structure is a hook;

fig. 15 is a third schematic structural view of the handle base positioning structure of the present invention, in which the fastening structure is a hook;

fig. 16 is a first schematic structural view of the handle base positioning structure of the present invention, in which the fastening structure is a positioning hole;

fig. 17 is a second schematic structural view of the handle base positioning structure of the present invention, in which the fastening structure is a positioning hole;

fig. 18 is a first schematic view of the installation of the tolerance adjuster of the present invention in a forward screwing manner into the handle base positioning structure;

FIG. 19 is a second schematic view of the positive screwing-in of the tolerance adjuster into the handle base positioning structure of the present invention;

fig. 20 is a first schematic view illustrating the installation of the positive press-in handle base positioning structure of the tolerance adjuster of the present invention;

fig. 21 is a second schematic view of the installation of the positive press-in handle base positioning structure of the tolerance adjuster of the present invention;

FIG. 22 is a perspective view of the annular skirt band fastening ring and the supporting legs of the present invention;

FIG. 23 is a schematic sectional view of the annular skirt band fastening ring and the supporting legs of the present invention;

FIG. 24 is a perspective view of the petal-shaped skirt band clasp ring and the supporting legs of the present invention;

FIG. 25 is a schematic sectional view of the structure of the petal-shaped skirt band clasp ring and the supporting legs of the present invention;

FIG. 26 is a perspective view of the claw-shaped clasp of the present invention in the adjusting stud;

fig. 27 is a schematic sectional view of the claw-shaped clasp of the present invention in the adjusting stud.

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

Example 1

The embodiment provides a novel mounting structure of a hidden handle, the structure of which is shown in detail in the attached drawings 1-7, 11-15, 18, 22-27: the device comprises a tolerance adjuster 1, a bolt component 2, an inner metal plate 3 and a hidden handle 4; the bolt assembly 2 comprises a fastening bolt 21 and a fixing gasket 22; a first slot and a bolt mounting through hole are formed in the inner metal plate 3, and a fixing nut 31 concentric with the bolt mounting through hole is welded on the bottom end surface of the inner metal plate 3; a handle base positioning structure 41 is arranged on the hidden handle 4; the tolerance adjuster 1 comprises an elastic sheet adjusting stud 11, a clamping pin positioning nut 12 and a locking piece 13, wherein the elastic sheet adjusting stud 11 and the clamping pin positioning nut 12 are both of hollow cavity structures and are composed of bosses and studs, a first boss 121 is arranged at the upper part of the clamping pin positioning nut 12, a flat clamping pin 123 is arranged on the first boss 121, the flat clamping pin 123 and the first boss 121 are horizontally arranged, and a chamfer plane is arranged on the flat clamping pin 123; a hook 414 is arranged on the handle base positioning structure 41, one end of the hook 414 is fixedly arranged on the bottom end face of the bottom plate of the handle base positioning structure 41, the other end of the hook 414 is in a hook structure, an open groove 415 is arranged between the hook 414 and the bottom plate of the handle base positioning structure 41, the outer end face of the hook structure is provided with a chamfer plane, an opening 413 is arranged on the bottom plate of the handle base positioning structure 41 above the hook 414, the flat clamping foot 123 is screwed into a movable groove formed by the handle base positioning structure 41 and the hook 414, and the flat clamping foot 123 can freely move in the movable groove and cannot be disengaged; the locking sheet 13 is arranged between the first boss 121 and the bottom end face of the handle base positioning structure 41, and the elastic sheet adjusting stud 11 is arranged in a cavity of the stud of the clamping pin positioning nut 12; an elastic holding structure 111 is arranged in a cavity of the stud at the lower part of the elastic sheet adjusting stud 11, and the elastic holding structure 111 holds the fastening bolt 21 after receiving friction torque and drives the elastic sheet adjusting stud 11 to rotate along with the rotation of the fastening bolt 21. The fastening bolt 21 sequentially penetrates through the fixing gasket 22, the bolt through hole 411 of the handle base positioning structure 41, the locking piece 13, the clamping pin positioning nut 12, the elastic sheet adjusting stud 11, and the bolt mounting through hole and the fixing nut 31 on the inner metal plate 3, and the hidden handle 4 is fixed on the inner metal plate 3 through the bolt assembly 2 and the tolerance adjuster 1 and locked through the fixing nut 31. The opening 413 is a process hole, the processing is more convenient and simpler due to the arrangement of the opening 413, and the flat clamping pin 123 can be more smoothly pressed into the movable groove due to the chamfer plane arranged on the flat clamping pin 123 during assembly; the chamfered surface of the hook structure helps the flat clip pin 123 to press into the movable groove, and prevents the flat clip pin 123 from falling out of the hook 414 when the flat clip pin 123 can move freely in the movable groove.

Furthermore, a plurality of flat clamping pins 123 are arranged on the clamping pin positioning nut 12, and the flat clamping pins 123 are arranged on the edge of the first boss 121 at an equal central angle by taking the center of the circle of the first boss 121 as the center of the circle; the handle base positioning structure 41 is provided with a plurality of hooks 414 for fixing the flat clamping feet 123 in a matching manner, the number of the hooks 414 is the same as that of the flat clamping feet 123, and the hooks 414 are arranged around the bolt through holes 411 at equal central angles by taking the center of the bolt through holes 411 as the center of a circle. The number of the flat clamping feet 123 and the clamping hooks 414 is at least 2, preferably 3 or 4, so that the rotation movement of the tolerance adjuster on the bottom end surface of the handle base positioning structure can be effectively limited. If the flat clamping feet 123 are provided with 3 hooks, the hooks are arranged at the edge of the first boss 121 at an equal central angle of 120 degrees, the hooks 414 on the handle base positioning structure 41 are also provided with 3 hooks, the hooks are arranged at the periphery of the bolt through hole 411 at an equal central angle of 120 degrees, if the flat clamping feet 123 are provided with 2 hooks, the hooks can be symmetrically arranged at the edge of the first boss 121, the hooks 414 on the handle base positioning structure 41 are also arranged with 2 hooks, and the hooks are symmetrically arranged at two sides of the bolt through hole 411.

Further, a second boss 113 is arranged at the upper part of the spring plate adjusting stud 11, a radial pattern 114 is arranged on the bottom end surface of the second boss 113, a stop block 115 is arranged at the edge of the top end surface, an external thread 112 is arranged outside the stud at the lower part of the spring plate adjusting stud 11, and a stud thread stop broken end 116 is arranged at the contact end of the external thread 112 and the second boss 113; an accommodating cavity 124 is arranged in a cavity of the stud at the lower part of the clamping foot positioning nut 12, and an internal thread 125 matched with the external thread 112 is arranged in the accommodating cavity 124; the elastic sheet adjusting stud 11 is arranged in the accommodating cavity 124 of the clamping pin positioning nut 12 and is fixedly connected through threads; an anti-tight bump 127 is arranged on the end face of the opening end of the stud at the lower part of the clamping foot positioning nut 12, a thread stop groove 128 and a stop rib 129 matched with the stop block 115 are arranged on the outer wall of the opening end, a nut thread stop head 130 matched with the stud thread stop head 116 is arranged on the inner wall of the opening end, and the stop rib 129 is arranged in the thread stop groove 128. The anti-tight bump 127, the thread stop groove 128, the stop rib 129 and the nut thread stop head 130 in the foot-clamping positioning nut 12, and the thread stop block 115 and the stud thread stop head 116 in the spring plate adjusting stud 11 form an anti-tight stop structure of the tolerance adjuster 1. The elastic sheet adjusting stud 11 is screwed into the clamping pin positioning nut 12, and when the elastic sheet adjusting stud is screwed to the bottom, the stop block 115 is blocked by the thread stop groove 128 and the stop rib 129, or the stud thread stop end 116 touches the nut thread stop end 130, so that the elastic sheet adjusting stud 11 can not be screwed in any more, the bottom surfaces of the elastic sheet adjusting stud 11 and the clamping pin positioning nut 12 are prevented from being screwed, namely the elastic sheet adjusting stud 11 can not be screwed in any more when the elastic sheet adjusting stud is screwed to the bottom, two preventive measures are taken, and a double-insurance against the screwing is formed; when the elastic sheet adjusting stud 11 works and rotates, a certain force is exceeded, the stop block 115 goes over the backstop rib 129, the elastic sheet adjusting stud 11 continues to rotate and rise, and the tool enters a tool state; the stop block 115 can prevent the elastic sheet adjusting stud 11 from falling out of the working state height caused by vibration in the transportation process. The anti-tight bump 127 can prevent the elastic sheet adjusting stud 11 and the clamping pin positioning nut 12 from forming vacuum adsorption. After the assembly, the bottom end face of the second boss 113 of the elastic sheet adjusting stud is abutted against and fastened with the inner metal plate 3, and the end face of the second boss 113 is provided with the radial lines, so that the friction force between the elastic sheet adjusting stud 11 and the inner metal plate 3 can be increased, the rotation of the elastic sheet adjusting stud 11 caused by vibration can be effectively prevented, and the anti-loosening effect is further achieved. The outer edge of the second boss 113 is a hexagonal outer edge, or a quadrangular outer edge, or a retracted 6-angle hole.

Further, the elastic clasping structure 111 is a clasping ring structure, and is embedded in any one of an annular spring piece, a U-shaped steel wire spring or a snap spring structure;

the middle parts of the embedded annular spring piece, the U-shaped steel wire spring and the clamp spring structure are provided with holding holes, and the diameter of each holding hole is smaller than that of a stud of the fastening bolt 21;

the clasping ring structure comprises a clasping ring and supporting legs 1111, and the clasping ring is divided into a petal-shaped skirt clasping ring, an annular skirt clasping ring and a claw-shaped clasping ring; the supporting vertical edge is a process edge, if the elastic adjusting stud and the elastic holding structure are made of one material, the supporting vertical edge is not used, and if the materials are different, the supporting vertical edge is a processing process edge;

the annular skirt edge clasping ring is of an annular structure and comprises a first clasping ring 1112, and the first clasping ring 1112 is made of a soft material which is an elastomer or a rubber material;

the edge of the petal-shaped skirt clasping ring is of a petal-shaped skirt structure and comprises a second clasping ring 1113 and a supporting vertical edge 1114, hollow holes 1115 are formed in the supporting vertical edge 1114, and the petal-shaped skirt clasping ring is made of an elastomer, rubber, POM (polyoxymethylene) glass fiber reinforced material, PP long glass fiber reinforced material, PA6, PA6 toughened material, PA6 glass fiber reinforced material, PA66, PA66 toughened material or PA66 glass fiber reinforced material;

the claw-shaped clasping ring comprises a fixing ring 1117 and clasping claws 1116, the clasping claws 1116 are provided with 3 petals and are all arranged on the inner wall of the fixing ring 1117 downwards, the claw-shaped clasping ring is made of engineering plastic materials, and the engineering plastic materials are POM, POM glass fiber reinforced materials, PP long glass fiber reinforced materials, PA6, PA6 toughened materials, PA6 glass fiber reinforced materials, PA66, PA66 toughened materials or PA66 glass fiber reinforced materials.

The clasping ring structure, the embedded annular spring piece, the U-shaped steel wire spring and the clamp spring structure can clasp the fastening bolt 21 to drive the elastic sheet adjusting stud 11 to rotate.

Further, an inner hole 131 is formed in the locking sheet 13, the locking sheet 13 is arranged between the handle base positioning structure 41 and the clamping foot positioning nut 12, and both end faces of the locking sheet 13 are provided with a concave-convex face, a rough face or a plane which can increase friction force; the concavo-convex surface is formed by providing radial convex stripes 132, convex corrugations, convex annular corrugations or scattering bumps on the end surface of the locking tab 13, the rough surface is formed by performing electrical corrosion, chemical corrosion or mechanical treatment on the end surface of the locking tab 13, and the plane is formed by ordinary processing.

Further, a radial convex stripe 132 is arranged on the end surface of the locking sheet 13. The fixing effect of the radial convex stripes 132 is better; the radial convex stripe 132 of the locking sheet 13 can be pressed into the bottom end of the handle base positioning structure 41 to form an embedded structure, so that the friction force is greatly increased, real and stable locking is formed, and the X/Z-direction position can be locked.

Further, the fixing mode of the locking sheet 13 is any one of the following modes:

the first fixing mode is as follows: the locking sheet 13 is arranged on the foot clamping positioning nut 12, a groove 126 is formed in the top end face of the first boss 121 of the foot clamping positioning nut 12, the locking sheet 13 is movably placed in the groove 126, a gap is formed between the groove 126 and the locking sheet 13, and a radial protruding stripe 132 is formed in the end face, facing the handle base positioning structure 41, of the locking sheet 13;

the second fixing mode is as follows: the locking sheet 13 is arranged on the clamping pin positioning nut 12, a groove 126 is formed in the top end face of the first boss 121 of the clamping pin positioning nut 12, the locking sheet 13 is tightly pressed into the groove 126, and no gap is formed between the groove 126 and the locking sheet 13 to form tight fit; the end surface of the locking sheet 13 facing the handle base positioning structure 41 is provided with radial convex stripes 132;

the third fixing mode is as follows: the locking sheet 13 and the clamping pin positioning nut 12 are integrated by injection molding, a radial raised stripe is arranged on the end surface of the first boss 121 of the clamping pin positioning nut 12 facing the handle base positioning structure 41, or an annular stripe, a radial stripe and a convex point are arranged on the bottom end surface of the handle base positioning structure 41;

the fourth fixing mode is as follows: the locking sheet 13 is arranged on the handle base positioning structure 41, an accommodating groove is formed in the bottom end face of the handle base positioning structure 41, the locking sheet 13 is pressed into the accommodating groove, and radial protruding stripes 132 are arranged on the end face, facing the clamping pin positioning nut 12, of the locking sheet 13;

the fifth fixing mode is as follows: a raised flange edge is arranged on the inner hole 131 of the locking sheet 13, the raised flange edge is pressed into the bolt through hole 411 of the handle base positioning structure 41, and radial raised stripes 132 are arranged on the end surface or two surfaces of the locking sheet 13 facing the clamping pin positioning nut 12;

the sixth fixing mode is as follows: the locking plate 13 and the handle base positioning structure 41 are molded integrally, and the end surface of the handle base positioning structure 41 facing the clamping pin positioning nut 12 is provided with radial raised stripes 132, or the top end surface of the clamping pin positioning nut 12 is provided with annular stripes, radial stripes and salient points.

When the locking plate 13 in the first and second fixing manners is disposed in the groove 126, the thickness of the locking plate 13 is greater than the depth of the groove 126, so that the radial protruding stripe 132 can directly contact with the bottom end surface of the handle base positioning structure 41, and the friction fastening force between the locking plate 13 and the handle base positioning structure 41 is enhanced; in the first, second, fourth and fifth fixing modes, the radial convex stripes 132 may be arranged on both end faces of the locking piece 13.

Further, the fixed gasket 22 is any one of a flat gasket, a raised corrugated gasket, a raised annular corrugated gasket, a scattered convex point gasket or a rough surface gasket; the fastening bolt 21 and the fixing gasket 22 are separated, or the fastening bolt 21 and the fixing gasket 22 are fixed into a whole to form the flange bolt.

Further, the condition that the diameter F of the bolt through hole 411 and the diameter H, X/Z-direction adjustment range value C of the stud of the fastening bolt 21 satisfy is as follows: f is more than or equal to H + 2C; the outer diameter G of the fixing gasket 22, the diameter H, X/Z direction adjusting range value C of the stud of the fastening bolt 21 and the safety value J meet the following conditions: g is more than or equal to F +2C + 2J; the outer diameter of the fixing gasket 22 is larger than the diameter of the inner hole 131 of the locking sheet 13; the elastic holding structure 111 of the elastic sheet adjusting stud 11 is made of different materials, the wall thickness and the elastic deformation of the holding structure 111 are deviated, and when the elastic holding structure 111 holds the bolt to move along the XZ direction, the XZ direction gap is different, so that an offset safety value J is set, the elastic holding structure 111 of the elastic sheet adjusting stud 11 can be better adapted to elastic sheets made of various materials, and the safety value J is an empirical value and is generally more than or equal to 0.2-0.5 mm.

Further, 3 or 4 handle base positioning structures 41 are arranged on the hidden handle 4.

Furthermore, the elastic sheet adjusting stud 11 and the clamping pin positioning nut 12 can be made of plastic materials, so that the cost can be greatly reduced, and the overall weight of the tolerance adjuster is reduced.

Further, the locking piece 13 is made of metal or hard engineering plastic.

Example 2

The embodiment provides an installation method of a novel installation structure of a hidden handle, and the structure of the installation structure is shown in the attached drawings 1 and 18-19 in detail:

the structure of the mounting structure of the novel hidden handle is as described in embodiment 1.

The installation of the installation structure of the novel hidden handle comprises the installation of a tolerance adjuster 1 and a hidden handle base positioning structure 41, and the installation of a hidden handle 4 and an inner metal plate 3 and an outer metal plate 5; the tolerance adjuster 1 and the hidden handle 4 are in a forward screwing installation mode, and the hidden handle 4, the inner metal plate 3 and the outer metal plate 5 adopt an installation mode of 3-point or 4-point positioning tolerance automatic adjustment.

Further, when the tolerance adjuster 1 and the hidden handle 4 adopt a forward screwing installation mode, the forward screwing installation mode comprises the following steps:

step one, the locking sheet 13 is installed in the groove 126 of the clamp positioning nut 12, or the locking sheet 13 is fixed at the bottom of the handle base positioning structure 41, and the spring sheet adjusting stud 11 is screwed into the accommodating cavity 124 of the clamp positioning nut 12 and screwed to the bottom;

step two, the first boss 121 and the flat clamping leg 123 on the clamping leg positioning nut 12 abut against the bottom end face of the handle base positioning structure 41, the clamping leg positioning nut 12 is rotated to enable the flat clamping leg 123 to enter the clamping hook 414 from the opening groove 415, the flat clamping leg 123 freely moves in a movable groove formed by the clamping hook 414 and the bottom end face of the handle base positioning structure 41, and cannot be separated, and the tolerance adjuster 1 moves at the bottom of the handle base positioning structure 41 along with the movement of the flat clamping leg 123;

and step three, referring to the step one and the step two, sequentially installing the tolerance regulator 1 on other handle base positioning structures 41 of the hidden handle 4, and completing the integral installation of the tolerance regulator 1 and the hidden handle 4.

Further, the installation mode that the hidden handle 4, the inner metal plate 3 and the outer metal plate 5 are automatically adjusted by 3-point or 4-point positioning tolerance comprises the following steps:

step one, a hidden handle 4 is pushed, and a movable outer handle on the hidden handle 4 sequentially penetrates through slots in an inner metal plate 3 and an outer metal plate 5;

secondly, positioning the gap and height between the movable outer handle and the outer metal plate 5, further restraining the hidden handle 4 and the handle base positioning structures 41 at a fixed position, and positioning the spatial positions of the bolt mounting through holes on the handle base positioning structures 41 and the inner metal plate 3;

thirdly, the fastening bolt 21 sequentially penetrates through the fixing gasket 22, the handle base positioning structure 41 and the tolerance adjuster 1, after the fastening bolt 21 reaches the elastic holding structure 111 of the elastic sheet adjusting stud 11, the fastening bolt 21 which rotates forwards is held tightly by the elastic holding structure 111, the friction force of the holding fastening bolt 21 generates friction torque to drive the elastic sheet adjusting stud 11 to rotate, the elastic sheet adjusting stud 11 rotates and then rises, the Y-direction adjusting gap is continuously reduced, and after the end surface of the second boss 113 of the elastic sheet adjusting stud 11 is contacted with the plane of the inner metal plate 3, the elastic sheet adjusting stud 11 stops moving forwards to complete tolerance adjustment in the axial Y direction; after the second boss 113 contacts the inner metal plate 3 and is blocked, the fastening bolt 21 passes through the elastic holding structure 111 to continue to advance, a bolt mounting through hole of the inner metal plate 3 is found and passes through the through hole to enter a screw hole of the fixing nut 31, and in the process of entering the fixing nut 31, the fastening bolt 21 drives the fixing gasket 22 and the tolerance regulator 1 to move to the position in the same axial direction with the fixing nut 31, so that tolerance regulation in X/Z2 directions of a plane is completed; the rotating fastening bolt 21 continues to advance and is locked with the fixing nut 31, and the hidden handle 4 can be fixedly installed on the inner metal plate 3 after being locked;

and step four, referring to the step three, sequentially installing the fastening bolts 21 on the other handle base positioning structures 41 of the hidden handle 4, and locking the other fixing nuts 31 on the inner metal plate 3, namely completing the installation of the whole hidden handle 4, the inner metal plate 3 and the outer metal plate 5.

Example 3

The embodiment provides a novel mounting structure of a hidden handle, and the structure of the mounting structure is shown in figures 3-4, 8-12, 16-17, 20 and 22-27 in detail: the device comprises a tolerance adjuster 1, a bolt component 2, an inner metal plate 3 and a hidden handle 4; the bolt assembly 2 comprises a fastening bolt 21 and a fixing gasket 22; a first slot and a bolt mounting through hole are formed in the inner metal plate 3, and a fixing nut 31 concentric with the bolt mounting through hole is welded on the bottom end surface of the inner metal plate 3; the hidden handle 4 is provided with a handle base positioning structure 41; the tolerance regulator 1 comprises a spring plate regulating stud 11, a clamping pin positioning nut 12 and a locking piece 13, wherein the spring plate regulating stud 11 and the clamping pin positioning nut 12 are both of a hollow cavity structure and consist of a boss and a stud, the upper part of the clamping pin positioning nut 12 is provided with a first boss 121, the first boss 121 is provided with a barb-shaped clamping pin 122, the barb-shaped clamping pin 122 is perpendicular to the first boss 121, the barb-shaped clamping pin 122 is an elastic clamping pin, and the upper part of the clamping pin is of a barb-shaped structure; the handle base positioning structure 41 is provided with a positioning hole 412, the barb-shaped clamping foot 122 is pressed into the positioning hole 412 and then bounces open, the barb at the upper part is buckled on the bottom plate of the handle base positioning structure 41, and the barb-shaped clamping foot 122 freely moves in the positioning hole 412 and cannot be separated; the locking sheet 13 is arranged between the first boss 121 and the bottom end face of the handle base positioning structure 41, and the elastic sheet adjusting stud 11 is arranged in a cavity of the stud of the clamping pin positioning nut 12; an elastic holding structure 111 is arranged in a cavity of the stud at the lower part of the elastic sheet adjusting stud 11, and the elastic holding structure 111 holds the fastening bolt 21 after receiving friction torque and drives the elastic sheet adjusting stud 11 to rotate along with the rotation of the fastening bolt 21. The fastening bolt 21 sequentially penetrates through the fixing gasket 22, the bolt through hole 411 of the handle base positioning structure 41, the locking piece 13, the clamping pin positioning nut 12, the elastic sheet adjusting stud 11, and the bolt mounting through hole and the fixing nut 31 on the inner metal plate 3, and the hidden handle 4 is fixed on the inner metal plate 3 through the bolt assembly 2 and the tolerance adjuster 1 and locked through the fixing nut 31. The barb-shaped latch 122 is compressed and deformed by a force, and springs open after the force is released and is fastened to the bottom plate of the handle base positioning structure 41, so that the barb-shaped latch 122 can move freely but cannot be pulled out of the positioning hole 412.

Furthermore, a plurality of barb-shaped clamping pins 122 are arranged on the clamping pin positioning nut 12, and the barb-shaped clamping pins 122 are arranged on the edge of the first boss 121 at an equal central angle with the center of circle of the first boss 121 as the center of circle; the handle base positioning structure 41 is provided with a plurality of positioning holes 412 for fixing the barb-shaped clamping legs 122, the number of the positioning holes 412 is the same as that of the barb-shaped clamping legs 122, and the positioning holes 412 are arranged around the bolt through holes 411 at the same central angle with the center of the bolt through holes 411 as the center of a circle. The number of the barb-shaped clamping feet 122 and the positioning holes 412 is at least a plurality, preferably 2 or 3, so that the tolerance adjuster can be effectively limited to rotate and move on the bottom end surface of the handle base positioning structure. If 2 barb-shaped clamping feet 122 are arranged, the barb-shaped clamping feet can be symmetrically arranged on the edge of the

first boss

121, and 2 positioning holes 412 on the handle base positioning structure 41 are also arranged and symmetrically arranged on two sides of the bolt through hole 411; if the number of the barb-shaped clamping feet 122 is 3, the barb-shaped clamping feet are arranged at the edge of the first boss 121 at an equal central angle of 120 degrees, the number of the positioning holes 412 on the handle base positioning structure 41 is also 3, and the barb-shaped clamping feet are arranged at the periphery of the bolt through hole 411 at an equal central angle of 120 degrees.

Furthermore, the following conditions are met among the positioning hole, the barb-shaped clamping foot and the X/Z direction adjusting range value: the width A of the positioning hole 412 and the thickness B, X/Z-direction adjustment range value C of the barb-shaped clamping foot 122 meet the following conditions: a ═ B + 2C; the length D of the positioning hole 412 and the width E, X/Z direction adjustment range value C of the barb-shaped clamping foot 122 meet the following conditions: d ═ E + 2C.

the annular skirt edge clasping ring is of an annular structure and comprises a first clasping ring 1112, and the second clasping ring is made of a soft material which is an elastomer or a rubber material;

Further, the locking piece 13 is made of metal or hard engineering plastic.

Example 4

The embodiment provides a mounting method of a novel mounting structure of a hidden handle, and the structure of the mounting structure is shown in the attached drawings 20 and 21:

the structure of the mounting structure of the novel hidden handle is as described in embodiment 3.

The installation of the installation structure of the novel hidden handle comprises the installation of a tolerance adjuster 1 and a hidden handle base positioning structure 41, and the installation of a hidden handle 4 and an inner metal plate 3 and an outer metal plate 5; the tolerance adjuster 1 and the hidden handle 4 are in a forward pressing installation mode, and the hidden handle 4, the inner metal plate 3 and the outer metal plate 5 are in an installation mode of automatic adjustment of 3-point or 4-point positioning tolerance.

Further, when the tolerance adjuster 1 and the hidden handle 4 are mounted in a forward press-in manner, the forward press-in mounting manner of the card includes the following steps:

secondly, the barb-shaped clamping leg 122 on the clamping leg positioning nut 12 is pressed into the positioning hole 412, the barb-shaped clamping leg 122 is pressed into the positioning hole 412 and then bounces open, the barb at the upper part is buckled on the bottom plate of the handle base positioning structure 41, the barb-shaped clamping leg 122 freely moves in the positioning hole 412 and cannot be separated, and the tolerance regulator 1 moves at the bottom of the handle base positioning structure 41 along with the movement of the barb-shaped clamping leg 122;

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.

Claims

1. A novel mounting structure of a hidden handle comprises a tolerance adjuster (1), a bolt assembly (2), an inner metal plate (3) and a hidden handle (4); the bolt assembly (2) comprises a fastening bolt (21) and a fixing gasket (22); a first open slot and a bolt mounting through hole are formed in the inner metal plate (3), and a fixing nut (31) concentric with the bolt mounting through hole is welded on the bottom end face of the inner metal plate (3); a handle base positioning structure (41) is arranged on the hidden handle (4); the tolerance regulator is characterized in that the tolerance regulator (1) comprises a spring plate regulating stud (11), a clamping pin positioning nut (12) and a locking piece (13), wherein the spring plate regulating stud (11) and the clamping pin positioning nut (12) are both of hollow cavity structures and consist of bosses and studs, a first boss (121) is arranged at the upper part of the clamping pin positioning nut (12), and clamping pins are arranged at the edge of the first boss (121); a bolt through hole (411) and a buckle structure matched with and fixing a clamping pin are arranged on a bottom plate of the handle base positioning structure (41), the clamping pin on the clamping pin positioning nut (12) is buckled in the buckle structure on the handle base positioning structure (41), and the clamping pin freely moves in the buckle structure; the locking sheet (13) is arranged between the first boss (121) and the bottom end face of the handle base positioning structure (41), and the elastic sheet adjusting stud (11) is arranged in a cavity of a stud of the clamping pin positioning nut (12); an elastic holding structure (111) is arranged in a cavity of the stud at the lower part of the elastic sheet adjusting stud (11), and the elastic holding structure (111) holds the fastening bolt (21) after receiving friction torque and drives the elastic sheet adjusting stud (11) to rotate along with the rotation of the fastening bolt (21).

2. The novel mounting structure of the hidden handle as claimed in claim 1, wherein the fastening pin on the fastening pin positioning nut (12) is a flat fastening pin (123), the flat fastening pin (123) is horizontally arranged with the first boss (121), and a chamfer plane is arranged on the flat fastening pin (123); the handle base positioning structure is characterized in that a clamping hook (414) is arranged on the handle base positioning structure (41), one end of the clamping hook (414) is fixedly arranged at the bottom end face of the bottom plate of the handle base positioning structure (41), the other end of the clamping hook is of a hook-shaped structure, an open groove (415) is formed between the clamping hook and the bottom plate of the handle base positioning structure (41), a chamfer plane is arranged on the outer end face of the hook-shaped structure, an opening hole (413) is formed in the bottom plate of the handle base positioning structure (41) above the clamping hook (414), the flat clamping foot (123) is screwed into a movable groove formed by the handle base positioning structure (41) and the clamping hook (414), and the flat clamping foot (123) can freely move in the movable groove and cannot be separated from the.

3. The novel mounting structure of the hidden handle as claimed in claim 1, wherein the fastening pin on the fastening pin positioning nut (12) is a barb-shaped fastening pin (122), the barb-shaped fastening pin (122) is vertically arranged with the first boss (121), the barb-shaped fastening pin (122) is an elastic fastening pin, and the upper part of the fastening pin is in a barb-shaped structure; the clamping structure on the handle base positioning structure (41) is a positioning hole (412), the barb-shaped clamping foot (122) is pressed into the positioning hole (412) and then bounced off, the barb at the upper part is clamped on the bottom plate of the handle base positioning structure (41), and the barb-shaped clamping foot (122) freely moves in the positioning hole (412) and cannot be disengaged.

4. The novel mounting structure of the hidden handle as claimed in claim 1, wherein a second boss (113) is provided on the upper portion of the spring plate adjusting stud (11), radial threads (114) are provided on the bottom end surface of the second boss (113), a stop block (115) is provided on the edge of the top end surface, an external thread (112) is provided on the exterior of the stud on the lower portion of the spring plate adjusting stud (11), and a stud thread stop break (116) is provided at the contact end of the external thread (112) and the second boss (113); an accommodating cavity (124) is arranged in the cavity of the stud at the lower part of the clamping foot positioning nut (12), and an internal thread (125) matched with the external thread (112) is arranged in the accommodating cavity (124); the elastic sheet adjusting stud (11) is arranged in the accommodating cavity (124) of the clamping pin positioning nut (12) and is fixedly connected through threads; the end face of the opening end of the stud at the lower part of the clamping foot positioning nut (12) is provided with an anti-tight bump (127), the outer wall of the opening end is provided with a thread stop groove (128) and a stop rib (129) which are matched with the stop block (115), the inner wall of the opening end is provided with a nut thread stop head (130) which is matched with the stud thread stop head (116), and the stop rib (129) is arranged in the thread stop groove (128).

5. The mounting structure of the novel hidden handle according to claim 1, wherein the elastic clasping structure (111) is any one of a clasping ring structure, an embedded ring spring piece, a U-shaped steel wire spring or a snap spring structure;

the clasping ring structure comprises a clasping ring and supporting legs (1111), and the clasping ring is divided into a petal-shaped skirt clasping ring, an annular skirt clasping ring and a claw-shaped clasping ring;

6. The novel mounting structure for the hidden handle as claimed in claim 1, wherein the locking plate (13) is provided with an inner hole (131), the locking plate (13) is arranged between the handle base positioning structure (41) and the clamping foot positioning nut (12), and both end faces of the locking plate (13) are provided with a concave-convex surface, a rough surface or a plane surface which can increase friction force; the rough surface is formed by arranging radial raised stripes (132), raised ripples, raised annular ripples or scattering bumps on the end surface of the locking sheet (13), the rough surface is formed by performing electric corrosion, chemical corrosion or mechanical treatment on the end surface of the locking sheet (13), and the plane is formed by common processing.

7. The novel mounting structure of the hidden handle as claimed in claim 6, wherein the locking plate (13) is provided with radial protruding stripes (132) on the end surface.

8. The novel mounting structure of the hidden handle as claimed in claim 6, wherein the locking piece (13) is fixed in any one of the following ways:

the fifth fixing mode is as follows: a raised flange edge is arranged on an inner hole (131) of the locking sheet (13), the raised flange edge is pressed into a bolt through hole (411) of the handle base positioning structure (41), and radial raised stripes (132) are arranged on the end surface or two end surfaces of the locking sheet (13) facing to the clamping pin positioning nut (12);

the sixth fixing mode is as follows: the locking piece (13) and the handle base positioning structure (41) are molded into a whole by injection, radial raised stripes are arranged on the end face, facing the clamping pin positioning nut (12), of the handle base positioning structure (41), or annular stripes, radial stripes and salient points are arranged on the top end face of the clamping pin positioning nut (12).

9. The mounting structure of a novel hidden handle according to claim 1, characterized in that the fixing gasket (22) is any one of a flat gasket, a raised corrugated gasket, a raised annular corrugated gasket, a scattered convex gasket or a rough surface gasket; the fastening bolt (21) and the fixed gasket (22) are split, or the fastening bolt (21) and the fixed gasket (22) are fixed into a whole to form the flange bolt.

10. The novel hidden handle mounting structure as claimed in claim 1, wherein the hidden handle (4) is provided with 3 or 4 handle base positioning structures (41).