CN220301939U - Fast-assembling connection structure and related structure of handle and transmission shaft - Google Patents

Abstract

The application provides a handle and fast-assembling connection structure and related structure of transmission shaft, including transmission shaft and handle, be provided with first mounting hole in the handle, the transmission shaft is inserted and is located in the first mounting hole, still includes the shell fragment, and the shell fragment is fixed in the first mounting hole, shell fragment elasticity conflict transmission shaft, or the shell fragment is fixed in the transmission shaft and elasticity conflict first mounting hole is inboard to the relative position of fixed transmission shaft and handle. The connection structure of this application produces elasticity conflict through setting up the shell fragment between transmission shaft and handle, realizes quick installation and quick dismantlement, and simple structure, connects firmly.

Description

Fast-assembling connection structure and related structure of handle and transmission shaft

Technical Field

The application relates to the technical field of doors and windows, in particular to a fast-assembling connecting structure of a handle and a transmission shaft and a related structure.

Background

In door and window hardware, the handle is the indispensable component on the door and window, is installed and realizes opening and locking of door and window fan on the door and window fan, and current handle structure mainly includes several parts such as base, runner, setting element, handle, transmission shaft, and the transmission shaft passes through the screw and links as an organic wholely with the handle, and the handle needs different sizes according to the use scene, has three kinds of solutions among the prior art: one is to stock the handles of the transmission shafts with different lengths according to the demands, and because the handles of the handles are connected with the transmission shafts into a whole, the solution brings huge stock pressure to manufacturers; secondly, the handle of the transmission shaft with the longest uniform stock requirement is used, then a client truncates the transmission shaft to the required length according to the actual requirement, but the workload is greatly increased, and a great amount of waste is caused by the intercepted materials; the third type is prepared independent not unidimensional transmission shaft and general handle, installs different transmission shafts according to the service conditions, but current transmission shaft is loaded down with trivial details because the fixed mode, and the work load when greatly increasing the installation, adapting unit is more between transmission shaft and the handle, and the fault rate is high, and manufacturing cost is high. Therefore, it is necessary to provide a fast-assembling connection structure of a handle and a transmission shaft, so as to realize the fast connection of the transmission shaft and the handle, thereby improving the installation speed of products, reducing the number of handle accessories and lowering the cost of products.

Disclosure of Invention

In order to solve the problem, the application provides a fast-assembling connection structure of handle and transmission shaft, produces elasticity conflict through setting up the shell fragment between transmission shaft and handle, realizes quick installation and quick dismantlement, and simple structure, connects firmly, has solved the problem that installs inconvenient and accessory is more easy to damage among the prior art.

The application is realized by the following technical scheme:

the utility model provides a handle and fast-assembling connection structure of transmission shaft, includes transmission shaft and handle, be provided with first mounting hole in the handle, the transmission shaft is inserted and is located in the first mounting hole, still include the shell fragment, the shell fragment is fixed in the first mounting hole, the shell fragment elasticity is contradicted the transmission shaft, perhaps the shell fragment is fixed the transmission shaft is contradicted to elasticity the first mounting hole is inboard, in order to fix the transmission shaft with the relative position of handle.

Further, the entrance of first mounting hole is equipped with the flaring portion, the shell fragment sets up in the flaring portion, the shell fragment is equipped with first perforation, flaring portion is equipped with the fixed block, the fixed block is equipped with the second perforation, the transmission shaft passes second perforation and first perforation in proper order, the up end of fixed block is the inclined plane setting, the shell fragment with transmission shaft clearance fit, the handle is equipped with the second mounting hole, the second mounting hole intercommunication first mounting hole with the handle is outside, be equipped with detachable fastener in the second mounting hole, the terminal jack-up shell fragment of fastener makes shell fragment deformation or side direction off normal card the transmission shaft.

Further, the edge of the fixed block is provided with a fixed portion, a riveting column matched with the fixed portion is arranged around the first mounting hole, the fixed portion is riveted with the riveting column, the fixed block is arranged at the orifice of the first mounting hole, and the fastener is a machine screw.

Further, the entrance of first mounting hole is equipped with the flaring portion, the shell fragment sets up in the flaring portion, the shell fragment is the return-form shell fragment of a side opening internal pressure, the centre perforation of return-form shell fragment is first perforation, flaring portion is equipped with the fixed block, the fixed block is equipped with the second perforation, the transmission shaft passes the second perforation in proper order and with first perforation, the transmission shaft with return-form shell fragment interference fit will the transmission shaft is fixed in the handle, the border of fixed block is equipped with the fixed part, be equipped with around the first mounting hole with fixed part matched with draw-in groove, the fixed part card is established in the draw-in groove, will the fixed block sets up the drill way department of first mounting hole.

Further, the entrance of first mounting hole is equipped with the flaring portion, the shell fragment sets up flaring portion, be equipped with first perforation in the shell fragment, at least one angle is equipped with the split groove in the first perforation, makes first fenestrate four sides form flexible elasticity conflict portion, the entrance of flaring portion is equipped with the gland, the gland is equipped with the second perforation, the transmission shaft passes second perforation and first perforation in proper order, elasticity conflict portion warp conflict at the transmission shaft lateral wall.

Further, the elastic sheet is circular, the edge of the elastic sheet abuts against the inner side wall of the reaming part, and a fastening screw is arranged on the gland for fixing the gland on the handle.

Further, the entrance of first mounting hole is equipped with the flaring portion, the shell fragment sets up flaring portion, the shell fragment includes curved surface portion and plane portion, curved surface portion and plane portion integrated into one piece, plane portion is equipped with first perforation, curved surface portion with plane portion is the acute angle setting, curved surface portion is contradicted the inside wall of flaring portion, makes plane portion be the slope form, be equipped with the gland in the flaring portion, the gland sets up the entrance of flaring portion, will the shell fragment is fixed in the flaring portion, the gland is equipped with the second perforation, the transmission shaft passes in proper order the second perforation with first perforation, the transmission shaft with plane portion interference fit.

Further, the upper surface of the gland is consistent with the inclination angle of the plane part, and supports the plane part.

Further, the shell fragment sets up the top of transmission shaft, the shell fragment is equipped with first card and establishes the portion, first card is established the portion slope orientation the entrance of first mounting hole, the terminal elasticity of first card is established the portion is contradicted the inside wall of first mounting hole.

Further, be equipped with the sawtooth piece in the first mounting hole, the sawtooth piece be equipped with the incline direction with the terminal opposite sawtooth of extending direction of portion is established to first card, the end of portion is established to first card with the sawtooth on the sawtooth piece is contradicted each other, the sawtooth piece is equipped with the dismantlement hole, the handle is equipped with the mounting hole in the case, outside first mounting hole of second mounting hole transverse communication and the handle, the dismantlement hole with the second mounting hole corresponds.

Further, the elastic sheet is fixed on the handle, the elastic sheet is provided with a second clamping portion, the tail end of the second clamping portion faces the deep part of the first mounting hole, and the tail end of the second clamping portion elastically abuts against the side wall of the transmission shaft.

Further, a through groove along the axial direction of the transmission shaft is formed in one side surface of the transmission shaft, saw teeth with the inclination direction opposite to the extending direction of the second clamping part are formed in two sides of the through groove, and the tail end of the second clamping part is clamped on the saw teeth.

The quick-assembling structure of the handle and the transmission shell comprises the connecting structure, and further comprises the transmission shell, wherein the free end of the transmission shaft is connected with the transmission shell.

A door and window lock structure comprising the connecting structure.

The beneficial effects of this application: this application is contradicted through setting up shell fragment and transmission shaft and is set up, realizes the quick connect of transmission shaft and handle, directly inserts the transmission shaft and can realize the installation to improve the installation rate of product, reduce handle accessory quantity simultaneously, overall structure is simple, and spare part is few, can reduce product cost. The transmission box is connected to the other end of the transmission shaft, so that the transmission shaft and the handle are convenient to install and connect.

Drawings

FIG. 1 is an exploded view of the structure of embodiment 1 of the present utility model;

FIG. 2 is a schematic view of the structure of the spring plate according to embodiment 1 of the present utility model after being mounted;

FIG. 3 is an exploded view of the structure of embodiment 2 of the present utility model;

FIG. 4 is a schematic view of the structure of the spring plate according to embodiment 2 of the present utility model after being mounted;

FIG. 5 is an exploded view of the structure of embodiment 3 of the present utility model;

FIG. 6 is a schematic view of the structure of the spring plate according to embodiment 3 of the present utility model after being mounted;

FIG. 7 is an exploded view of the structure of embodiment 4 of the present utility model;

FIG. 8 is a schematic view of the structure of the spring plate according to embodiment 4 of the present utility model after being mounted;

FIG. 9 is an exploded view of the structure of embodiment 5 of the present utility model;

fig. 10 is a schematic structural diagram of the spring plate according to embodiment 5 of the present utility model after installation;

FIG. 11 is a schematic view showing the structure of a transmission shaft according to embodiment 5 of the present utility model;

FIG. 12 is an exploded view of the structure of embodiment 6 of the present utility model;

fig. 13 is a schematic structural diagram of the spring plate according to embodiment 6 of the present utility model after installation;

fig. 14 is a schematic structural view of a transmission shaft according to embodiment 6 of the present utility model;

the reference numerals in the drawings are as follows:

in the drawings, a transmission shaft 101, a handle 102, a first mounting hole 1021, a flared portion 1022, a fixing block 1023, a second through hole 1024, a second mounting hole 1025, a fastening member 1026, a fixing portion 1027, a pressing cover 1028, a spring 103, a first through hole 1031, a split groove 1032, a curved surface portion 1033, a planar portion 1034, a first engaging portion 1035, a saw tooth piece 1036, a second engaging portion 1037, and a through groove 1038.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.

Furthermore, the descriptions of "first," "second," and the like, herein are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Example 1

The utility model provides a handle and fast-assembling connection structure of transmission shaft, includes transmission shaft 101 and handle 102, is provided with first mounting hole 1021 in the handle 102, and transmission shaft 101 inserts in first mounting hole 1021, its characterized in that still includes shell fragment 103, and shell fragment 103 is fixed in first mounting hole 1021, and shell fragment 103 elasticity is contradicted transmission shaft 101, or shell fragment 103 is fixed and is contradicted first mounting hole 1021 inboard at transmission shaft 101 elasticity, makes transmission shaft 101 fixed connection handle 102. This application establishes transmission shaft 101 card inside handle 102 through setting up shell fragment 103, and shell fragment 103 makes and produces elasticity conflict between transmission shaft 101 and the handle 102, thereby increases the frictional force of transmission shaft 101 and handle 102 and realizes fixedly, and whole connection structure is simple, and installation and dismantlement are all very simple, and spare part is few moreover, reduces the fault rate, reduction in production cost.

As a preferred embodiment, the entrance of the first mounting hole 1021 is provided with a flaring portion 1022, the elastic sheet 103 is arranged in the flaring portion 1022, the elastic sheet 103 is provided with a first perforation 1031, the flaring portion 1022 is provided with a fixed block 1023, the fixed block 1023 is provided with a second perforation 1024, the transmission shaft 101 sequentially passes through the second perforation 1024 and the first perforation 1031, the upper end surface of the fixed block 1023 is in an inclined plane, the elastic sheet 103 is in clearance fit with the transmission shaft 101, the handle 102 is provided with a second mounting hole 1025, the second mounting hole 1025 is communicated with the first mounting hole 1021 and the outside of the handle 102, a detachable fastening member 1026 is arranged in the second mounting hole 1025, the tail end of the fastening member 1026 props against the elastic sheet 103, and the elastic sheet 103 is deformed or laterally deviated to clamp the transmission shaft 101. The setting is convenient for install shell fragment 103 and fixed block 1023 at flaring portion 1022, wholly imbeds in the inside of handle 102, transmission shaft 101 passes the second perforation 1024 of fixed block 1023 and the first perforation 1031 of shell fragment 103, establish fixed transmission shaft 101 through shell fragment 103 card, establish fixed shell fragment 103 through fixed block 1023 card, set up fastener 1026 again, withstands shell fragment 103 through fastener 1026, make shell fragment 103 warp or lateral deviation or push down, the lateral wall of first perforation 1031 and transmission shaft 101 interference contact increase transmission shaft 101 and shell fragment 103's frictional force, thereby realize fixing. When the transmission shaft 101 needs to be removed, the fastening piece 1026 is withdrawn, and then the fastening piece 1026 is disassembled, so that the transmission shaft 101 and the elastic sheet 103 can be taken out simultaneously.

As a preferred embodiment, the edge of the fixing block 1023 is provided with a fixing portion 1027, a riveting column matched with the fixing portion 1027 is arranged around the first mounting hole 1021, the fixing portion 1027 is riveted with the riveting column, the fixing block 1023 is arranged at the orifice of the first mounting hole 1021, and the fastening piece 1026 is a machine screw. Through setting up fixed part 1027 with fixed block 1023 riveting fixed, simple to operate need not other fixed parts, not be limited to riveting fixed in the scheme of this application, still accessible card is established, close-fitting, is beaten modes such as screw, fixes shell fragment 103 in expanding portion 1022 through the mounting. The machine rice screw is convenient to install and detach by arranging the fastening piece 1026 into the machine rice screw, and machining cost can be reduced by arranging the machine rice screw into a universal piece.

Example 2

The difference from example 1 is that: the entrance of first mounting hole 1021 is equipped with flaring portion 1022, shell fragment 103 sets up in flaring portion 1022, shell fragment 103 is the return spring 103 of one side opening internal pressure, the centre perforation of return spring 103 is first perforation 1031, flaring portion 1022 is equipped with fixed block 1023, fixed block 1023 is equipped with second perforation 1024, transmission shaft 101 passes second perforation 1024 and first perforation 1031 in proper order, transmission shaft 101 and return spring 103 interference fit, fix transmission shaft 101 in handle 102, the border of fixed block 1023 is equipped with fixed part 1027, be equipped with around the first mounting hole 1021 with fixed part 1027 matched with draw-in groove, fixed part 1027 card is established in the draw-in groove, set up fixed block 1023 in the drill way department of first mounting hole 1021.

The flaring part 1022 is arranged at the hole of the handle 102, the square spring 103 is arranged in the flaring part 1022, the fixing block 1023 is arranged in the flaring part 1022 of the handle 102, the square spring 103 is blocked, one side of the square spring 103 is fixed, the fixing block 1023 is fixed with the handle, the fixing mode is any one of riveting, tight fitting and screwing, and is not limited to the three connecting modes, the transmission shaft 101 penetrates into the second mounting hole 1024 of the fixing block 1023, the first perforation 1031 of the square spring 103 is used for pressing the inner pressure of one side opening of the square spring 103, the cross section area of the square spring 103 is smaller than the cross section area of the transmission shaft 101 in a natural state, and when the transmission shaft 101 is inserted into the transmission shaft 101, the side wall of the transmission shaft 101 is extruded to form interference fit with the square spring 103, so that a large friction force exists, the transmission shaft 101 cannot be separated from the handle 102, and thus the fixing is realized. When the transmission shaft 101 needs to be disassembled, a tool such as a small round bar is used for poking the return spring plate 103 from the small hole on the side surface of the handle, so that the return spring plate 103 rebounds, the friction force is reduced, and the transmission shaft 101 can be disassembled.

Example 3

The difference from example 1 is that: the entrance of first mounting hole 1021 is equipped with flaring portion 1022, and shell fragment 103 sets up in flaring portion 1022, is equipped with first perforation 1031 in the shell fragment 103, and at least one angle is equipped with split groove 1032 in the first perforation 1031, makes the four sides of first perforation 1031 form flexible elasticity conflict portion, and the entrance of flaring portion 1022 is equipped with gland 1028, and gland 1028 is equipped with second perforation 1024, and transmission shaft 101 passes second perforation 1024 and first perforation 1031 in proper order, and elasticity conflict portion warp conflict in transmission shaft 101 lateral wall.

The handle 102 is internally provided with the expanding part 1022, so that the elastic sheet 103 is convenient to place, and a processing groove is not needed for the surface outside the transmission shaft 101 to be a smooth surface; the shape of the spring plate 103 is circular, the middle is square, the four corners are provided with split grooves 1032, when the transmission shaft 101 passes through the middle of the spring plate 103, four sides of the spring plate 103 can be extruded, curved surface deformation can be shown, the periphery of the inner quadrilateral of the spring plate 103 can be embedded on the outer side surface of the transmission shaft 101 to form a reverse hook shape, the contact area between the spring plate 103 and the transmission shaft 101 is greatly increased, under the same effect, the static friction force is increased, the transmission shaft 101 is fastened on the spring plate 103 and cannot be pulled out, the upper end of the spring plate 103 is symmetrically locked on the handle 102 by using a gland 1028, and the spring plate 103 is clamped in the middle.

As a preferred embodiment, the elastic piece 103 is circular, the edge of the elastic piece 103 abuts against the inner side wall of the expansion part, and a fastening screw is arranged on the pressing cover 1028 for fixing the pressing cover 1028 on the handle 102. The elastic sheet 103 is circular, and the edge of the elastic sheet is abutted against the side wall of the flaring portion 1022, so that when the transmission shaft 101 passes through the elastic sheet 103, the side wall of the flaring portion provides a fixed force for the edge of the elastic sheet 103, and the integral deformation of the elastic sheet 103 is avoided. The fixing method of the gland 1028 may be fastening screws, caulking, clamping, or the like, and is not limited to any of the above fixing methods.

Example 4

The difference from example 1 is that: the entrance of first mounting hole 1021 is equipped with flaring portion 1022, shell fragment 103 sets up in flaring portion 1022, shell fragment 103 includes curved surface portion 1033 and plane portion 1034, curved surface portion 1033 and plane portion 1034 integrated into one piece, plane portion 1034 is equipped with first perforation 1031, curved surface portion 1033 is the acute angle setting with plane portion 1034, curved surface portion 1033 is contradicted at the inside wall of flaring portion 1022, make plane portion 1034 take the form of slope, be equipped with gland 1028 in flaring portion 1022, gland 1028 sets up the entrance at flaring portion 1022, fix shell fragment 103 in flaring portion 1022, gland 1028 is equipped with second perforation 1024, transmission shaft 101 passes second perforation 1024 and first perforation 1031 in proper order, transmission shaft 101 and plane portion 1034 interference fit. The handle 102 is provided with the flaring portion 1022 for setting the spring 103, and since the curved surface portion 1033 and the plane portion 1034 are disposed at an acute angle, the flaring portion 1022 is disposed in cooperation with the shapes of the curved surface portion 1033 and the plane portion 1034, so that the curved surface portion 1033 abuts against the sidewall of the flaring portion 1022, and the plane portion 1034 is disposed at the flaring portion 1022 in an inclined manner, so that the transmission shaft 101 can pass through the plane portion 1034. The outer surface of the transmission shaft 101 presents a smooth surface without a processing groove; the elastic sheet 103 is in a curved arc shape as a whole, a square hole is formed in the middle of the elastic sheet, the first through hole 1031 is formed, the plane part 1034 is inclined by a certain angle, when the transmission shaft 101 passes through the elastic sheet 103, the transmission shaft can be extruded to the plane part 1034 and can pass through the elastic sheet after the transmission shaft is gradually in an untilted state, and when the rebound force of the passed elastic sheet 103 is embedded on the transmission shaft 101, the shape with an inclined angle is formed, the static friction force is increased, so that the transmission shaft 101 is fastened on the elastic sheet 103 and can not be pulled out; the upper end of the spring plate 103 is provided with a gland 1028 which is fastened on the handle 102 by symmetrical screws, the bottom side of the gland 1028 is consistent with the arc shape of the spring plate 103, and the spring plate 103 is supported to a certain extent, and the gland 1028 can be taken out only by loosening the screws if the transmission shaft 101 is required to be removed.

In a preferred embodiment, the upper surface of the gland 1028 is inclined at an angle coincident with the planar portion 1034, supporting the planar portion 1034. The upper surface of the gland 1028 is inclined so as to support the whole plane part 1034, so that the plane part 1034 is clamped with the transmission shaft 101 more firmly.

Example 5

The difference from example 1 is that: the elastic piece 103 is disposed at the top of the transmission shaft 101, the elastic piece 103 is provided with a first clamping portion 1035, the first clamping portion 1035 is inclined towards the entrance of the first mounting hole 1021, and the tail end of the first clamping portion 1035 elastically abuts against the inner side wall of the first mounting hole 1021. The shell fragment 103 sets up at the top of transmission shaft 101, inserts in handle 102 along with transmission shaft 101, owing to the terminal first card of being equipped with down slope of shell fragment 103 establishes portion 1035, when transmission shaft 101 upwards inserts handle 102, first card establishes portion 1035 by the extrusion with first mounting hole 1021 inside wall contact, after transmission shaft 101 inserted to the top, first card establishes portion 1035 and first mounting hole 1021 inside wall elasticity conflict, realizes the fixed.

As a preferred embodiment, a saw tooth plate 1036 is disposed in the first mounting hole 1021, the saw tooth plate 1036 is provided with saw teeth having an inclination opposite to an extending direction of the tail end of the first clamping portion 1035, the tail end of the first clamping portion 1035 is in contact with the saw teeth on the saw tooth plate 1036, the saw tooth plate 1036 is provided with a dismounting hole, the handle 102 is provided with a second mounting hole 1025, the second mounting hole 1025 is transversely communicated with the outside of the first mounting hole 1021 and the handle 102, and the dismounting hole corresponds to the second mounting hole 1025.

The arrangement of the saw tooth plate 1036 is convenient for the clamping connection of the elastic sheet 103 and the inner side wall of the first mounting hole 1021, two round holes are formed in the saw tooth plate 1036, one round hole is used for being riveted with a riveting column on the handle 102, so that the saw tooth plate 1036 is fixed on the handle 102, and the other round hole is used for being corresponding to a second mounting hole 1025 on the handle 102. The transmission shaft 101 is provided with a riveting column for fixing the elastic sheet 103 in the transmission shaft 101, and meanwhile, the transmission shaft 101 is provided with a notch to play a role in avoiding positions, so that when a transmission shaft 101 assembly is inserted into the first mounting hole 1021 of the handle 102, the transmission shaft 101 is conveniently clung to the saw tooth sheet 1036, and the elastic sheet 103 is ensured to be clamped with saw teeth on the saw tooth sheet 1036, and therefore the transmission shaft 101 is connected with the handle 102. When the transmission shaft 101 assembly is required to be disassembled, only a thin rod-shaped tool is required to be used, the second mounting hole 1025 on the handle 102 is inserted, the elastic sheet 103 is pushed open, the elastic sheet can not be clamped with the saw tooth sheet 1036, and then the transmission shaft 101 assembly is pulled out of the square hole of the handle 102 by force, so that the disassembly of the transmission shaft 101 assembly and the handle 102 can be completed.

Example 6

The difference from example 1 is that: the spring plate 103 is fixed on the handle 102, the spring plate 103 is provided with a second clamping portion 1037, the tail end of the second clamping portion 1037 faces the deep part of the first mounting hole 1021, and the tail end of the second clamping portion 1037 elastically abuts against the side wall of the transmission shaft 101. When the transmission shaft 101 is inserted into the first mounting hole 1021, the handle 102 is provided with the second engagement portion 1037 facing upward, and the direction of movement of the transmission shaft 101 is identical to the direction of the second engagement portion 1037, so that the transmission shaft 101 can be inserted smoothly, and after the transmission shaft 101 is inserted, the elastic piece 103 and the transmission shaft 101 elastically abut against each other.

In a preferred embodiment, a through groove 1038 is formed on one side surface of the transmission shaft 101 along the axial direction of the transmission shaft 101, saw teeth having an inclination opposite to the extending direction of the second engaging portion 1037 are formed on both sides of the through groove 1038, and the tip end of the second engaging portion 1037 is engaged with the saw teeth. The handle 102 is provided with a riveting column for fixing the elastic sheet 103 on the handle 102, the transmission shaft 101 is provided with a section of saw teeth, and after the elastic sheet 103 is inserted into the square hole on the handle 102, the elastic sheet 103 is clamped with the saw teeth on the transmission shaft 101, so that the transmission shaft 101 is connected with the handle 102. When the transmission shaft 101 is required to be disassembled, only a thin rod-shaped tool is required to be used, the elastic piece 103 is inserted into the position of the elastic piece 103 from the through groove 1038 on the transmission shaft 101, and the elastic piece 103 is extruded from the saw teeth, so that the transmission shaft 101 can be pulled out from the square hole.

Of course, there are various other embodiments of the present application, and based on this embodiment, those of ordinary skill in the art may obtain other embodiments without any inventive effort, which fall within the scope of the present application.

Claims (13)

1. The utility model provides a fast-assembling connection structure of handle and transmission shaft, includes transmission shaft (101) and handle (102), be provided with first mounting hole (1021) in handle (102), transmission shaft (101) are inserted and are located in first mounting hole (1021), its characterized in that still includes shell fragment (103), shell fragment (103) are fixed in first mounting hole (1021), shell fragment (103) elasticity is contradicted transmission shaft (101), or shell fragment (103) are fixed transmission shaft (101) and elasticity are contradicted first mounting hole (1021) are inboard, in order to fix transmission shaft (101) with the relative position of handle (102).

2. The quick-mounting connection structure of a handle and a transmission shaft according to claim 1, wherein an opening part (1022) is arranged at the inlet of the first mounting hole (1021), the elastic sheet (103) is arranged in the opening part (1022), the elastic sheet (103) is provided with a first perforation (1031), the opening part (1022) is provided with a fixed block (1023), the fixed block (1023) is provided with a second perforation (1024), the transmission shaft (101) sequentially passes through the second perforation (1024) and the first perforation (1031), the upper end surface of the fixed block (1023) is in an inclined plane, the elastic sheet (103) is in clearance fit with the transmission shaft (101), the handle (102) is provided with a second mounting hole (1025), the second mounting hole (1025) is communicated with the outside of the handle (102), a detachable fastener (1026) is arranged in the second mounting hole (1025), and the tail end of the fastener (1026) is propped against the second perforation (1024) to enable the elastic sheet (103) to deform or deform laterally so as to limit the position of the elastic sheet (101).

3. The quick-mounting connection structure of a handle and a transmission shaft according to claim 1, wherein an expansion part (1022) is arranged at the inlet of the first mounting hole (1021), the elastic sheet (103) is arranged in the expansion part (1022), the elastic sheet (103) is a square elastic sheet (103) with an inner pressure in a side opening, the middle perforation of the square elastic sheet (103) is a first perforation (1031), the expansion part (1022) is provided with a fixed block (1023), the fixed block (1023) is provided with a second perforation (1024), the transmission shaft (101) sequentially passes through the second perforation (1024) and the first perforation (1031), and the transmission shaft (101) is in interference fit with the square elastic sheet (103) to fix the transmission shaft (101) in the handle (102).

4. The quick-assembling connection structure of a handle and a transmission shaft according to claim 1, wherein an expansion part (1022) is arranged at the inlet of the first mounting hole (1021), the elastic sheet (103) is arranged at the expansion part (1022), a first through hole (1031) is arranged in the elastic sheet (103), at least one corner in the first through hole (1031) is provided with a split groove (1032), four sides of the first through hole (1031) form a deformable elastic interference part, a gland (1028) is arranged at the inlet of the expansion part (1022), a second through hole (1024) is arranged on the gland (1028), the transmission shaft (101) sequentially penetrates through the second through hole (1024) and the first through hole (1031), and the elastic interference part is deformed and interfered on the side wall of the transmission shaft (101).

5. The quick-assembling connecting structure of a handle and a transmission shaft according to claim 4, wherein the elastic sheet (103) is circular, the edge of the elastic sheet (103) abuts against the inner side wall of the expanding portion, and a fastening screw is arranged on the pressing cover (1028) and used for fixing the pressing cover (1028) on the handle (102).

6. The quick-mounting connection structure of a handle and a transmission shaft according to claim 1, wherein a flaring portion (1022) is arranged at an inlet of the first mounting hole (1021), the elastic piece (103) is arranged at the flaring portion (1022), the elastic piece (103) comprises a curved surface portion (1033) and a plane portion (1034), the curved surface portion (1033) and the plane portion (1034) are integrally formed, the plane portion (1034) is provided with a first through hole (1031), the curved surface portion (1033) and the plane portion (1034) are arranged at an acute angle, the curved surface portion (1033) is abutted against the inner side wall of the flaring portion (1022) to enable the plane portion (1034) to be inclined, a pressing cover (1022) is arranged in the flaring portion (1022), the pressing cover (1028) is arranged at the inlet of the flaring portion (1022), the elastic piece (103) is fixed in the flaring portion (1022), the pressing cover (1028) is provided with a second through hole (1024), and the transmission shaft (101) sequentially passes through the second through hole (1024) and the first through hole (1031) to be matched with the transmission shaft (1034).

7. The quick-connect coupling of a handle and a drive shaft according to claim 6, wherein an upper surface of the pressing cover (1028) is inclined at an angle consistent with the flat surface portion (1034), and supports the flat surface portion (1034).

8. The quick-mounting connection structure of a handle and a transmission shaft according to claim 1, wherein the elastic piece (103) is disposed at the top of the transmission shaft (101), the elastic piece (103) is provided with a first clamping portion (1035), the first clamping portion (1035) is inclined towards the inlet of the first mounting hole (1021), and the tail end of the first clamping portion (1035) elastically abuts against the inner side wall of the first mounting hole (1021).

9. The quick-mounting connection structure of a handle and a transmission shaft according to claim 8, wherein a saw-tooth sheet (1036) is arranged in the first mounting hole (1021), saw-tooth sheets (1036) are provided with saw teeth with opposite inclination directions to the extending directions of the tail ends of the first clamping portions (1035), the tail ends of the first clamping portions (1035) are mutually abutted with the saw teeth on the saw-tooth sheets (1036), the saw-tooth sheets (1036) are provided with dismounting holes, the handle (102) is provided with second mounting holes (1025), the second mounting holes (1025) are transversely communicated with the outside of the first mounting holes (1021) and the handle (102), and the dismounting holes correspond to the second mounting holes (1025).

10. The quick-mounting connection structure of a handle and a transmission shaft according to claim 1, wherein the elastic piece (103) is fixed on the handle (102), the elastic piece (103) is provided with a second clamping portion (1037), the tail end of the second clamping portion (1037) faces the deep part of the first mounting hole (1021), and the tail end of the second clamping portion (1037) elastically abuts against the side wall of the transmission shaft (101).

11. The quick-assembling connection structure of a handle and a transmission shaft according to claim 10, wherein a through groove (1038) is formed in a side surface of the transmission shaft (101) along an axial direction of the transmission shaft (101), saw teeth with an inclination direction opposite to an extending direction of the second clamping portion (1037) are formed on two sides of the through groove (1038), and an end of the second clamping portion (1037) is clamped on the saw teeth.

12. A quick-fit structure of a handle and a drive housing comprising the quick-fit connection structure of a handle and a drive shaft according to any one of claims 1-11, characterized in that it further comprises a drive housing to which the free end of the drive shaft (101) is connected.

13. A door and window lock structure, characterized by comprising the quick-assembling connection structure of the handle and the transmission shaft according to any one of claims 1 to 11.