Assembling mechanism for tightening torsion spring of door handle

Abstract

The utility model discloses an assembling mechanism used for door handle torsion spring energizing, which comprises a tool positioning plate and a torsion spring energizing assembly, the tool positioning plate is provided with a core shaft piece and a torsion spring positioning piece, the core shaft piece is provided with a limiting groove, the torsion spring positioning piece comprises a torsion spring positioning part, and the torsion spring positioning part is provided with a limiting groove. The torsion spring positioning piece is telescopically connected to the tool positioning plate through an elastic reset piece, and the torsion spring energizing assembly comprises an energizing power source, an energizing movable plate driven by the energizing power source, an energizing sliding block fixed to the energizing movable plate, an energizing sliding rail movably connected to the energizing sliding block and an energizing shifting piece connected to the end of the energizing sliding rail. A force applying base plate is arranged beside the force applying movable plate, a force applying stroke groove is formed in the force applying base plate, a force applying stroke block is connected to the force applying sliding rail, and the force applying stroke block is movably connected into the force applying stroke groove. According to the utility model, the torsion spring can be quickly tightened, the transfer time between procedures is shortened, the production rhythm is accelerated, and meanwhile, the production cost of equipment is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to door handle assembly technical field, concretely relates to a kind of assembly mechanism for door handle torsion spring tensioning. BACKGROUND

[0002] Torsion spring is the necessary component of door handle assembly, when door handle is rotated and opened, torsion spring is deformed by stretching or torsional force, when external force (such as the strength of hand) disappears, torsion spring restores original shape using its elasticity, drives door handle to reset automatically, ensure that handle can return to initial position smoothly. Figure 1 As shown in the accompanying drawings, torsion spring body a presents spiral coiled structure, the first and last ends of torsion spring body respectively form outer edge end a1 limited with door handle panel and inner edge end a2 limited in door handle handle.

[0003] Torsion spring needs to be tensioned when being installed to door handle, to realize the reset function of torsion spring to handle. The existing torsion spring tensioning is usually first tensioned and then transferred to assembly tooling for subsequent component assembly, need to set multiple mechanisms to complete torsion spring tensioning, leading to complex torsion spring tensioning assembly mechanism and high cost.

[0004] Therefore, it is urgent to design a kind of assembly mechanism for door handle torsion spring tensioning to solve the defects existing in the process of current door handle torsion spring tensioning. SUMMARY

[0005] To solve the above problems, the technical scheme provided by the utility model is:

[0006] A kind of assembly mechanism for door handle torsion spring tensioning, including tooling positioning plate and the torsion spring tensioning assembly located in the side of tooling positioning plate, the tooling positioning plate is equipped with mandrel and torsion spring positioning piece, the mandrel is opened in the limiting slot, the torsion spring positioning piece includes torsion spring positioning part that protrudes the tooling positioning plate, the torsion spring positioning piece is connected on the tooling positioning plate by elastic reset piece, the torsion spring tensioning assembly includes tensioning power source, tensioning movable plate driven by the tensioning power source, tensioning sliding block fixed on the tensioning movable plate, tensioning sliding rail movably connected on the tensioning sliding block and tensioning driving part connected in the end of tensioning sliding rail, the side of tensioning movable plate is equipped with tensioning base plate, the tensioning base plate is opened in tensioning stroke slot, the tensioning sliding rail is connected with tensioning stroke block, the tensioning stroke block is movably connected in the tensioning stroke slot.

[0007] According to one of the preferred embodiments of the present application, the jig positioning plate is provided with a jig positioning seat below, the jig positioning seat is provided with a positioning member movable slot, the elastic return member is located in the positioning member movable slot, one end of the elastic return member abuts against the bottom of the positioning member movable slot, and the other end of the elastic return member abuts against the torsional spring positioning member.

[0008] According to one of the preferred embodiments of the present application, the positioning member movable slot is transversely provided with a positioning member limiting pin, and the torsional spring positioning member is provided with a positioning member limiting hole, and the positioning member limiting pin is connected in the positioning member limiting hole.

[0009] According to one of the preferred embodiments of the present application, the jig positioning plate is provided with a positioning member giving way slot, the torsional spring positioning part is movably connected in the positioning member giving way slot, and the side of the torsional spring positioning part close to the torsional spring upper force assembly is provided with an upper force guide inclined surface.

[0010] According to one of the preferred embodiments of the present application, the torsional spring positioning part and the upper force driving member are in the same action plane, when the upper force driving member acts on the upper force guide inclined surface, the torsional spring positioning member moves to the elastic return member and compresses the elastic return member.

[0011] According to one of the preferred embodiments of the present application, the inner part of the mandrel member is provided with a handle positioning member, and the handle positioning member protrudes from the mandrel member.

[0012] According to one of the preferred embodiments of the present application, the upper force stroke block is a rolling bearing or a rolling wheel, and the upper force stroke block is connected on the upper force sliding rail through a fixing member.

[0013] According to one of the preferred embodiments of the present application, when the upper force power source drives the upper force movable plate to act, the upper force stroke block moves along the upper force stroke slot, drives the upper force driving member to move and act on the outer edge end of the torsional spring, and makes the outer edge end of the torsional spring buckle on the torsional spring positioning part.

[0014] According to one of the preferred embodiments of the present application, the jig positioning plate is provided with a panel positioning pin.

[0015] According to one of the preferred embodiments of the present application, the side of the jig positioning plate is further provided with a torsional spring pressing assembly, the torsional spring pressing assembly comprises a torsional spring pressing power source and a torsional spring pressing plate driven by the torsional spring pressing power source, and the torsional spring pressing plate is provided with a torsional spring pressing part for pressing the torsional spring.

[0016] Compared with the prior art, the technical scheme has the following beneficial effects:

[0017] The action principle of the door handle torsional spring tensioning assembly assembly mechanism is as follows: the torsional spring is sleeved on the mandrel, the inner end of the torsional spring is clamped in the limiting groove of the mandrel, the tensioning assembly is extended, the tensioning power source drives the tensioning movable plate to move, the tensioning stroke block on the tensioning slide rail moves along the tensioning stroke groove, the tensioning slide rail slides relative to the tensioning slide block, the tensioning driving piece moves under the superposition of the two action directions, the movement path of the tensioning driving piece is the path required by the torsional spring tensioning, the tensioning driving piece drives the outer end of the torsional spring to rotate and compress the torsional spring positioning piece, and the outer end of the torsional spring moves to the mounting side of the torsional spring positioning piece; the tensioning assembly is retracted, the tensioning driving piece returns along the original path, the torsional spring positioning piece is reset after losing the compression of the tensioning driving piece, the outer end of the torsional spring is positioned, and the tensioning of the torsional spring is completed.

[0018] The torsional spring tensioning assembly can realize the precise tensioning action of the door handle torsional spring, the tensioning action is stable and reliable, the design of the torsional spring tensioning assembly facilitates quick replacement and adjustment, use is more flexible, and daily maintenance and fault diagnosis are facilitated.

[0019] The torsional spring tensioning assembly can realize the precise tensioning action of the door handle torsional spring, the tensioning action is stable and reliable, and the design of the torsional spring tensioning assembly facilitates quick replacement and adjustment, use is more flexible, and daily maintenance and fault diagnosis are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the door handle torsional spring of the utility model embodiment.

[0021] Figure 2 It is a perspective view of the door handle torsional spring of the utility model embodiment.

[0022] Figure 3 It is a perspective view of the door handle torsional spring of the utility model embodiment.

[0023] Figure 4 It is a perspective view of the door handle torsional spring of the utility model embodiment.

[0024] Figure 5 It is a perspective view of the door handle torsional spring of the utility model embodiment.

[0025] Figure 6 It is a perspective view of the door handle torsional spring of the utility model embodiment.

[0026] Figure 7 It is a perspective view of the door handle torsional spring of the utility model embodiment.

[0027] Figure 8 It is the utility model embodiment tool positioning plate perspective drawing. DETAILED DESCRIPTION

[0028] In order to make the utility model embodiment purposes, technical scheme and advantage more clearly, below, will combine the drawings in the utility model embodiment, the technical scheme in the utility model embodiment is clearly, completely described, obviously, the described embodiment is the part embodiment of the utility model, rather than all the embodiment.Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor are within the scope of the utility model protection.

[0029] Combine the drawings Figure 2 To the drawings Figure 8 The utility model technical scheme is a kind of for door handle torsion spring upper strength assembly mechanism, including tool positioning plate 1 and located torsion spring upper strength component 2 in the side of tool positioning plate 1, the core shaft piece 3 and torsion spring positioning piece 4 are equipped on tool positioning plate 1, limit slot 31 is opened in the core shaft piece 3, the torsion spring positioning piece 4 includes torsion spring positioning part 41 that protrudes tool positioning plate 1, the torsion spring positioning piece 4 is connected on tool positioning plate 1 by elastic reset piece 42, and the torsion spring upper strength component 2 includes upper strength power source 21, the upper strength movable plate 22 driven by upper strength power source 21, the upper strength sliding block 23 fixed on the upper strength movable plate 22, the upper strength sliding rail 24 movably connected on the upper strength sliding block 23 and the upper strength driving part 25 connected in the end of the upper strength sliding rail 24, the side of upper strength movable plate 22 is equipped with upper strength base plate 26, and upper strength base plate 26 is equipped with upper strength stroke slot 261, and the upper strength stroke block 27 is connected on the upper strength sliding rail 24, and the upper strength stroke block 27 movably connected in the upper strength stroke slot 261.

[0030] The action principle of the door handle torsion spring tensioning assembly is as follows: the torsion spring a is sleeved on the mandrel 3, the inner edge end a2 of the torsion spring a is clamped in the limiting groove 31 of the mandrel 3, the tensioning assembly 2 performs the extension action, the tensioning power source 21 drives the tensioning movable plate 22 to move, the tensioning stroke block 27 on the tensioning slide rail 24 moves along the tensioning stroke groove 261, the tensioning slide rail 24 slides relative to the tensioning slide block 23, so that the tensioning driving member 25 moves under the superposition of the two action directions, the movement path of the tensioning driving member 25 is the path required by the tensioning of the torsion spring a, the tensioning driving member 25 acts on the outer edge end a1 of the torsion spring a, the outer edge end a1 of the torsion spring a rotates and compresses the torsion spring positioning member 4 under the action of the tensioning driving member 25, and the outer edge end a1 of the torsion spring a moves to the mounting side of the torsion spring positioning portion 41; the tensioning assembly 2 performs the contraction action again, the tensioning driving member 25 returns along the original path, the torsion spring positioning member 4 is reset after losing the pressing of the tensioning driving member 25, and the outer edge end a1 of the torsion spring a is positioned, so that the outer edge end a1 of the torsion spring a is loaded on the torsion spring positioning portion 41, and the tensioning of the torsion spring is completed.

[0031] In the embodiment, as shown in the accompanying drawings, the tool positioning plate 1 is used for the door handle part assembly bearing reference surface, and the embodiment is only used for the description of the tensioning structure of the door handle torsion spring a. Figure 2 The door handle parts such as the snap spring, the gasket and the limiting sheet are directly sleeved on the mandrel 3, and the expansion is not described.

[0032] In the embodiment, the limiting groove 31 is a fixed notch of the mandrel 3 or is formed after the mandrel 3 is expanded, and the limiting groove 31 is used for positioning the inner edge end a2 of the torsion spring a.

[0033] In the embodiment, the trajectory of the tensioning stroke groove 261 on the tensioning base plate 26 is not limited, and is designed according to the structure size of different torsion springs and the relative distance between the tensioning driving member 25 and the mandrel 3. Figure 4 As shown in the accompanying drawings, when the tensioning power source 21 drives the tensioning movable plate 22 to move in the X direction, the tensioning stroke block 27 moves in the S direction in the tensioning stroke groove 261, the tensioning slide rail 24 moves on the tensioning slide block 23, so as to control the movement of the tensioning driving member 25 in the Y direction (the direction of the tensioning slide rail 24), and the movement trajectory of the tensioning driving member 25 is the superposition of the X direction displacement and the Y direction displacement, so as to form the tensioning action trajectory of the torsion spring a; the tensioning assembly 2 can realize the precise tensioning action of the door handle torsion spring a, the tensioning action is stable and reliable, the design of the tensioning assembly 2 makes it convenient to quickly replace and adjust, the use is more flexible, and it is also convenient to perform daily maintenance and fault diagnosis.

[0034] In the embodiment, as shown in the accompanying drawings, the tool positioning plate 1 is used for the door handle part assembly bearing reference surface, and the embodiment is only used for the description of the tensioning structure of the door handle torsion spring a. Figure 7As shown, the lower part of the tool positioning plate 1 is provided with a tool positioning seat 5, the tool positioning seat 5 is provided with a positioning member movable slot 51, the elastic reset member 42 is located in the positioning member movable slot 51, one end of the elastic reset member 42 abuts against the bottom of the positioning member movable slot 51, and the other end of the elastic reset member 42 abuts against the torsion spring positioning member 4. In this embodiment, the elastic reset member 42 is used for resetting the torsion spring positioning member 4.

[0035] In this embodiment, as shown in the accompanying drawings Figure 7 As shown, the positioning member limiting pin 52 is transversely arranged in the positioning member movable slot 51, the torsion spring positioning member 4 is provided with a positioning member limiting hole 43, and the positioning member limiting pin 52 is connected in the positioning member limiting hole 43; the cooperation between the positioning member limiting pin 52 and the positioning member limiting hole 43 realizes the stroke limiting of the torsion spring positioning member 4 on the tool positioning seat 5.

[0036] In this embodiment, as shown in the accompanying drawings Figure 7 and the accompanying drawings Figure 8 As shown, the tool positioning plate 1 is provided with a positioning member giving way slot 11, the torsion spring positioning part 41 is movably connected in the positioning member giving way slot 11, and the side of the torsion spring positioning part 41 close to the torsion spring tensioning assembly 2 is provided with a tensioning guide inclined surface 44, which is used for the tensioning driving member 25 to act on the torsion spring positioning part 41 and has a guiding effect to drive the torsion spring positioning member 4 to move downward smoothly.

[0037] In this embodiment, the torsion spring positioning part 41 and the tensioning driving member 25 are in the same action plane, when the tensioning driving member 25 acts on the tensioning guide inclined surface 44, the torsion spring positioning member 4 moves to the elastic reset member 42 and compresses the elastic reset member 42, so that the outer edge end a1 of the torsion spring a passes the torsion spring positioning part 41, when the tensioning driving member 25 moves away from the tensioning guide inclined surface 44, the torsion spring positioning part 41 resets to block the outer edge end a1 of the torsion spring a.

[0038] In this embodiment, the handle positioning member 6 is arranged inside the mandrel member 3, the handle positioning member 6 protrudes from the mandrel member 3, and the handle positioning member 6 is used for connecting the handle when the handle is assembled on the tool positioning plate 1.

[0039] In this embodiment, the tensioning stroke block 27 is a rolling bearing or a rolling wheel, and the tensioning stroke block 27 is connected on the tensioning sliding rail 24 through a fixing member, so that the tensioning stroke block 27 moves more smoothly in the tensioning stroke slot 261 during the action of the torsion spring tensioning assembly 2, and the continuity of the action of the torsion spring tensioning assembly 2 is improved.

[0040] In the embodiment, when the upper tension power source 21 drives the upper tension movable plate 22 to move, the upper tension stroke block 27 moves along the upper tension stroke groove 261, drives the upper tension pusher 25 to move and acts on the outer edge end a1 of the torsion spring a, so that the outer edge end a1 of the torsion spring a is buckled on the torsion spring positioning portion 41.

[0041] In the embodiment, the tool positioning plate 1 is provided with a panel positioning pin 12 for positioning a panel on the tool positioning plate 1. The shape of the panel positioning pin 12 and the position of the panel positioning pin 12 on the tool positioning plate 1 are not limited in the embodiment, and can be flexibly selected according to the panel positioning structure of the door handle to be assembled.

[0042] In the embodiment, the tool positioning plate 1 is further provided with a torsion spring pressing assembly 7. The torsion spring pressing assembly 7 comprises a torsion spring pressing power source 71 and a torsion spring pressing plate 72 driven by the torsion spring pressing power source 71. The torsion spring pressing plate 72 is provided with a torsion spring pressing portion 721 for pressing the torsion spring a. The torsion spring pressing portion 721 is formed with an arc surface matched with the shaft member 3 near one end of the torsion spring pressing plate 72. Before the torsion spring a is tensioned, the torsion spring pressing power source 71 drives the torsion spring pressing plate 72 to move towards the shaft member 3, so that the torsion spring pressing plate 72 is pressed against the upper end surface of the torsion spring a, thereby avoiding the torsion spring a from being deviated during the tensioning process of the torsion spring tensioning assembly 2.

[0043] In the embodiment, the power source used in the door handle torsion spring tensioning assembly can be a cylinder assembly or a motor assembly.

[0044] The door handle torsion spring tensioning assembly of the embodiment can realize rapid tensioning of the torsion spring a by arranging the torsion spring tensioning assembly 2 on one side of the tool positioning plate 1. The door handle torsion spring tensioning assembly solves the problem that multiple mechanisms are required for tensioning during assembly of the torsion spring a. The torsion spring tensioning assembly 2 has a simple structure and simple operation, reduces the transfer time between processes, speeds up the production rhythm, simplifies the door handle torsion spring assembly structure, and thus reduces the production cost of the equipment.

[0045] It is also important to note that the use of relational terms such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0046] The above description of disclosed embodiments provides enabling concepts for practicing or using the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An assembly mechanism for tensioning a torsion spring of a door handle, characterized in that The utility model provides a torsion spring positioning device, which comprises a positioning plate and a torsion spring tensioning assembly located beside the positioning plate, wherein the positioning plate is provided with a mandrel and a torsion spring positioning piece, the mandrel is provided with a limiting groove, the torsion spring positioning piece comprises a torsion spring positioning portion extending out of the positioning plate, and the torsion spring positioning piece is elastically connected to the positioning plate through an elastic reset piece; the torsion spring tensioning assembly comprises a tensioning power source, a tensioning movable plate driven by the tensioning power source, a tensioning sliding block fixed to the tensioning movable plate, a tensioning sliding rail movably connected to the tensioning sliding block, and a tensioning pushing piece connected to the end of the tensioning sliding rail; the side of the tensioning movable plate is provided with a tensioning base plate, the tensioning base plate is provided with a tensioning stroke groove, and the tensioning sliding rail is connected with a tensioning stroke block movably connected to the tensioning stroke groove.

2. An assembly mechanism for tensioning a torsion spring of a door handle according to claim 1, characterized in that The bottom of the positioning plate is provided with a positioning seat, the positioning seat is provided with a positioning piece movable groove, the elastic reset piece is located in the positioning piece movable groove, one end of the elastic reset piece abuts against the bottom of the positioning piece movable groove, and the other end of the elastic reset piece abuts against the torsion spring positioning piece.

3. An assembly mechanism for tensioning a torsion spring of a door handle according to claim 2, characterized in that The positioning piece movable groove is transversely provided with a positioning piece limiting pin, the torsion spring positioning piece is provided with a positioning piece limiting hole, and the positioning piece limiting pin is connected to the positioning piece limiting hole.

4. The assembly mechanism for tensioning a torsion spring of a door handle according to claim 1, wherein The positioning plate is provided with a positioning piece giving way groove, the torsion spring positioning portion is movably connected to the positioning piece giving way groove, and the side of the torsion spring positioning portion close to the torsion spring tensioning assembly is provided with a tensioning guide inclined surface.

5. An assembly mechanism for tensioning a torsion spring of a door handle according to claim 4, characterized in that The torsion spring positioning portion and the tensioning pushing piece are located in the same action plane, when the tensioning pushing piece acts on the tensioning guide inclined surface, the torsion spring positioning piece moves to the elastic reset piece and compresses the elastic reset piece, so that the outer edge end of the torsion spring passes the torsion spring positioning portion; when the tensioning pushing piece moves away from the tensioning guide inclined surface, the torsion spring positioning portion resets to block the outer edge end of the torsion spring.

6. An assembly mechanism for tensioning a torsion spring of a door handle according to claim 1, characterized in that The mandrel is internally provided with a handle positioning piece, and the handle positioning piece protrudes from the mandrel.

7. An assembly mechanism for tensioning a torsion spring of a door handle according to claim 1, characterized in that The tensioning stroke block is a rolling bearing or a rolling wheel, and the tensioning stroke block is connected to the tensioning sliding rail through a fixing piece.

8. An assembly mechanism for tensioning a torsion spring of a door handle according to claim 1, characterized in that When the tensioning power source drives the tensioning movable plate to act, the tensioning stroke block moves along the tensioning stroke groove, drives the tensioning pushing piece to move and act on the outer edge end of the torsion spring, and the outer edge end of the torsion spring is buckled on the torsion spring positioning portion.

9. An assembly mechanism for tensioning a torsion spring of a door handle according to claim 1, characterized in that The positioning plate is provided with a panel positioning pin.

10. An assembly mechanism for tensioning a torsion spring of a door handle according to any one of claims 1 to 9, characterized in that The side of the positioning plate is further provided with a torsion spring pressing assembly, the torsion spring pressing assembly comprises a torsion spring pressing power source and a torsion spring pressing plate driven by the torsion spring pressing power source, and the torsion spring pressing plate is provided with a torsion spring pressing portion for pressing the torsion spring.

Images