CN217079997U

CN217079997U - Fast-assembling dabber subassembly and handle

Info

Publication number: CN217079997U
Application number: CN202220610670.5U
Authority: CN
Inventors: 周岩
Original assignee: Foshan Shunde Geruifu Hardware Product Co ltd
Current assignee: Foshan Shunde Geruifu Hardware Product Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-07-29
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses a fast-assembly mandrel component and a handle, which comprise an elastic retainer ring; the mandrel comprises a mandrel body, wherein one end of the mandrel body is provided with an installation part, and a clamping groove is arranged on the installation part; the axle external member, its one end tip is equipped with a centering portion, arranges the circlip of the centering portion side of axle external member in, along with the dabber body for the grafting of centering portion remove and joint in the joint end of axle external member, the problem of the assembly difficulty that leads to when needing to dismantle the plastic screw when installing the square shaft again among the prior art has been solved to realize convenient, quick effect when the dabber body assembles.

Description

Fast-assembling dabber subassembly and handle

Technical Field

The utility model relates to a handle field especially relates to a fast-assembling dabber subassembly and handle.

Background

In the door handle hardware product, the screw thread part and the square shaft part in the square shaft assembly with screw thread in the conventional handle are fixed together through riveting or welding, and in addition, for the convenience of installation of a user, the square shaft assembled with the screw thread part is installed on a handle and fixedly installs the handle on an installation base when leaving a factory, and the installation base is mainly a long panel product, so that the product occupies too much packaging space during packaging and transportation, and the waste of packaging materials and space is caused.

For solving above-mentioned problem, mainly use a plastics screw to fix the handle on the installation base on the existing market to this solves the problem that the screw thread square shaft takes too much packing space, but this kind of mode will cause the user to dismantle the plastics screw when the installation product again, then will assemble the square shaft that has the screw thread part to the installation base on, cause the difficulty for user's installation.

SUMMERY OF THE UTILITY MODEL

In order to overcome above-mentioned prior art an at least defect, the utility model provides a fast-assembling dabber subassembly and handle has solved the problem of the assembly difficulty that leads to when needing to dismantle the plastic screw and reinstall the square shaft among the prior art when the installation to realize convenient, quick effect when dabber body (being the square shaft among the prior art) assembles.

The utility model discloses a solve the technical scheme that its problem adopted and be:

a quick load spindle assembly comprising:

a circlip;

the mandrel comprises a mandrel body, wherein one end of the mandrel body is provided with an installation part, and a clamping groove is arranged on the installation part;

the axle external member is provided with the external screw thread on it, and one end tip is equipped with a centering portion, arranges in the circlip of the centering portion side of axle external member, follow the dabber body for the grafting of centering portion remove and the joint in the joint end of axle external member, also promptly the axle external member is from the one end of centering portion is pegged graft the dabber body, so that circlip buckles the inside of draw-in groove runs through until the installation department the axle external member, just the circlip joint the other end of axle external member.

It is above-mentioned to synthesize, the axle core body can be dismantled with the axle sleeve spare that is equipped with the screw thread section and be connected, then the handle can only utilize the axle sleeve spare with the handle assembly to the installation base on, on the one hand, replace current plastics screw and handle pre-installation through the axle sleeve spare that has the screw thread section, the step of dismouting plastics screw has been omitted, on the other hand, also avoid dismantling the problem of the assembly difficulty that the plastics screw leads to bringing when installing the square shaft once more, and simultaneously, also avoided leading to the product to all occupy too much packaging space when packing and transportation because the dabber body, cause the extravagant problem in packaging material and space.

In addition, this fast-assembling dabber subassembly is when the installation, on circlip preassembles to dabber body or centering earlier, then when the installation department on the dabber body is inserted to the axle external member, will promote circlip and remove to the draw-in groove in, utilize the axle external member, especially the effect of centering, it is more steady when the draw-in groove of circlip installation to the dabber body, will contract inwards after circlip buckles the inside of draw-in groove, continue to slide along with the axle sleeve spare, circlip will butt to centering, then circlip will contract to draw-in groove inside at the tapering of centering, guarantee that the axle sleeve spare smoothly inserts to the installation department of dabber body. When the other end of the shaft sleeve leaves the position of the clamping groove relative to the centering portion, the elastic check ring automatically resets by utilizing elasticity, so that the purpose of automatically clamping and assembling the shaft sleeve on the mandrel body is achieved, the shaft sleeve utilizes the structure of the centering portion, tools are not needed for assembling the shaft sleeve and the mandrel body, the installation is simple, convenient and fast, when a user inserts the mandrel body into the installation base, the mandrel body is simply inserted into the shaft sleeve through the elastic check ring, and the installation of the whole handle and the installation base is completed. When the spindle sleeve needs to be replaced, a detaching tool such as clamp spring pincers is used, and the elastic check ring is detached, so that the purpose of detachable installation is achieved between the spindle sleeve and the spindle body, the spindle sleeve connected with the handle only needs to be replaced when being worn or damaged, the spindle sleeve does not need to be detached again, and the spindle sleeve is favorable for handle assembly and later maintenance.

Further, the centering portion is in a tapered shape.

Furthermore, the shaft sleeve further comprises a baffle portion used for increasing a stress surface, and the baffle portion and the centering portion are located at the same end of the shaft sleeve.

Furthermore, an assembly groove used for clamping the gasket piece is formed in the shaft sleeve piece.

The utility model also discloses a handle, include:

the fast-assembling mandrel component;

the fast-assembly mandrel component is assembled on the handle seat;

a handle assembly mounted to the shaft assembly of the quick install mandrel assembly.

Furthermore, the handle seat comprises an inner seat and an outer shell, wherein the inner seat is used for being assembled and fixed on a door window body, the outer shell is used for protecting and decorating, and the outer shell is sleeved outside the inner seat.

Furthermore, the handle is provided with an inserting hole which is matched with the mounting part in an inserting way.

Furthermore, a key opening for inserting a key is arranged on the handle seat.

To sum up, the utility model provides a pair of fast-assembling dabber subassembly and handle has following technological effect:

through the cooperation of the shaft sleeve part and the elastic check ring which are provided with the centering parts, the purpose that the shaft sleeve part replaces the prior plastic screw and handle for preassembling is realized, the step of disassembling and assembling the plastic screw is omitted, the problem of difficulty in assembling when the square shaft is assembled again due to the disassembly of the plastic screw is solved, and the problem of waste of packaging materials and space caused by the fact that the product occupies too much packaging space during packaging and transportation due to the mandrel body is also avoided. Meanwhile, when the mandrel body is assembled, the mandrel body is only required to be inserted into the mounting base, the installation of the whole handle and the mounting base is completed, tools are not needed, and the installation is simple, convenient and quick.

Drawings

Fig. 1 is an overall assembly view of embodiment 2 of the present invention;

fig. 2 is an overall exploded view of embodiment 2 of the present invention;

fig. 3 is a partially-installed exploded view of embodiment 1 of the present invention;

fig. 4 is a schematic structural view of the middle shaft assembly of the present invention.

Icon: 1-elastic retainer ring, 2-mandrel body, 21-mounting part, 22-square shaft part, 23-clamping groove, 3-shaft sleeve part, 31-centering part, 32-mounting hole, 33-blocking part, 34-assembling groove, 4-gasket part, 41-clamping opening, 5-handle seat, 51-inner seat, 52-outer shell, 53-mounting cavity, 6-handle, 7-key opening and 8-inserting opening.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example 1

Fig. 3 is a partial exploded view of a fast-assembling mandrel assembly of the present invention, and fig. 4 is a schematic structural view of a shaft sleeve 3 in a fast-assembling mandrel assembly of the present invention, wherein the mandrel body 2 in fig. 3 is not limited to a length, and a cross-section of the mandrel body 2 is illustrated; fig. 4 shows axle external member 3's structure for more clearly, then does half a section schematic to axle external member 3, and it is shown in fig. 3 and fig. 4 to please combine specifically, the utility model discloses a fast-assembling dabber subassembly, include:

a circlip 1;

the mandrel comprises a mandrel body 2, wherein one end of the mandrel body is provided with an installation part 21, and a clamping groove 23 is arranged on the installation part 21;

the shaft sleeve 3 is provided with external threads, one end of the shaft sleeve is provided with a centering portion 31, and the elastic retainer ring 1 arranged on the centering portion 31 side of the shaft sleeve 3 is clamped at the clamping end of the shaft sleeve 3 along with the insertion movement of the mandrel body 2 relative to the centering portion 31. That is, the shaft assembly 3 is inserted into the mandrel body 2 from one end of the centering portion 31, so that the elastic check ring 1 is fastened into the clamping groove 23 until the mounting portion 21 penetrates through the shaft assembly 3, and the elastic check ring 1 is fastened to the other end of the shaft assembly 3.

In the present embodiment, the centering portion 31 has a conical shape, that is, the centering portion 31 is a conical groove, and the diameter of the notch of the conical groove is equal to or greater than the outer diameter of the elastic collar 1, and of course, the centering portion 31 also has a hemispherical shape, which depends on the machining tools of different machining processes, so that the elastic collar 1 can be placed inside the centering portion 31 as a conventional replacement in the art. Wherein, be provided with the mounting hole 32 with the diameter size looks adaptation of installation department 21 on the axle sleeve piece 3, dabber body 2 still includes square shaft portion 22, and installation department 21 fixed connection is on the one end tip of square shaft, and the notch diameter that here used the tapered groove is greater than the external diameter of circlip 1 as an example, then this fast-assembling dabber subassembly's assembly step and principle are:

step S1, placing the elastic check ring 1 in the centering portion 31, inserting the shaft sleeve 3 onto the mounting portion 21 of the mandrel body 2 from one end of the centering portion 31, specifically, the top of the mounting portion 21 is further provided with a chamfer, so that the elastic check ring 1 is expanded under the action of the chamfer, and because the whole elastic check ring 1 is abutted against the groove wall of the centering portion 31, the elastic check ring 1 is gradually and uniformly expanded, further, the elastic check ring 1 is matched on the mounting portion 21 along with the movement of the shaft sleeve 3 until the elastic check ring 1 is buckled into the clamping groove 23, and at this time, the elastic check ring 1 contracts towards the central axis direction under the elastic action;

step S2, moving the sleeve member 3 continuously, and since the elastic collar 1 continues to contract into the snap groove 23 under the action of the centering portion 31 until the diameter of the elastic collar 1 is equal to the diameter of the mounting hole 32 of the sleeve member 3, the elastic collar 1 abuts against and slides on the hole wall of the mounting hole 32 along with the movement of the sleeve member 3;

step S3, the sleeve member 3 is continuously moved until the other end of the sleeve member 3 relative to the centering portion 31 leaves the position of the engaging groove 23, and the elastic collar 1 is restored to its shape under the action of its own elastic force, so as to engage with the sleeve member 3 to ensure that the sleeve member 3 cannot be disengaged from the mounting portion 21 of the mandrel body 2.

It should be noted that the above steps are only for easy understanding of the ingenious invention of the present solution, and are not limited to the example steps, for example, the circlip 1 may be preassembled during assembly. Further, the diameter of the notch of the tapered groove is equal to the outer diameter of the elastic check ring 1 in the natural state, and the elastic check ring 1 is only different from the elastic check ring 1 in the expanding process, and the elastic check ring 1 is uniformly applied to the side surface of the shaft sleeve 3, so that the elastic check ring 1 stably slides into the clamping groove 23. In addition, the self-centering of the centering portion 31 also works to assemble the hub 3 and the mounting portion 21, achieving two-purpose effect.

Further, as shown in fig. 3 and 4, the shaft sleeve 3 further includes a stopper 33 for increasing the force-bearing surface, and both the stopper 33 and the centering portion 31 are located at the same end of the shaft sleeve 3.

Further, as shown in fig. 3 and 4, the sleeve member 3 is further provided with an assembling groove 34 for engaging with the pad member 4. Specifically, the assembling groove 34 is located on one side of the blocking portion 33, the gasket 4 is provided with a bayonet 41 which can be clamped in the assembling groove 34, preferably, the side wall of the blocking portion 33 is used as the groove wall of the assembling groove 34, and then the gasket 4 can be stably attached to the blocking portion 33, so that the fast-assembling mandrel assembly is enabled to be stressed more uniformly.

Example 2

Fig. 1 is the utility model relates to a whole assembly drawing of handle, fig. 2 is the utility model relates to a whole explosion chart of handle, wherein, for more clearly showing fast-assembling dabber subassembly and handle seat 5's relation of connection, then to handle seat 5 semi-sections schematic, the inventor still discloses a handle of using fast-assembling dabber subassembly of embodiment 1, specifically please combine fig. 1 and fig. 2 to show, include: the fast-assembling mandrel component;

the fast-assembly mandrel component is assembled on the handle seat 5;

and a handle grip 6 mounted to the mounting portion 21 of the quick-fit spindle assembly.

In this embodiment, as shown in fig. 1 and fig. 2, the handle base 5 includes an inner base 51 for being assembled and fixed on the door window body and an outer shell 52 for protection and decoration, the outer shell 52 is sleeved outside the inner base 51, wherein the inner base 51 is provided with a mounting cavity 53, the gasket member 4 is inserted and fitted inside the mounting cavity 53, and then the quick-assembly mandrel assembly is rotatably assembled on the handle base 5 through the gasket member 4.

Further, as shown in fig. 1 and fig. 2, the mounting portion 21 of the core shaft body 2 in the quick-assembly core shaft assembly penetrates through the handle base 5 and extends out of the outer casing 52, that is, the end of the shaft assembly 3, which is clamped with the elastic collar 1, extends out of the outer casing 52. As shown in fig. 1, an inserting hole 8 is formed in the handle 6 and is matched with the shaft sleeve 3 in an inserting manner, preferably, an internal thread matched with the external thread is formed in the inserting hole 8, and the handle 6 is in threaded connection with the shaft sleeve 3, so that the purpose that the handle 6 is assembled on the shaft sleeve 3 of the quick-assembly mandrel assembly is achieved.

Further, as shown in fig. 1 and 2, the handle base 5 is provided with a key opening 7 for inserting a key.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by combining the above technical features at will. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. A quick-fit mandrel assembly comprising:

a circlip (1);

the mandrel comprises a mandrel body (2), wherein one end of the mandrel body is provided with an installation part (21), and a clamping groove (23) is arranged on the installation part (21);

the mandrel comprises a mandrel body (3), wherein external threads are arranged on the mandrel body (3), a centering portion (31) is arranged at one end of the mandrel body, an elastic check ring (1) is arranged on the centering portion (31) side of the mandrel body (3), and the mandrel body (2) moves relative to the centering portion (31) in an inserted mode and is clamped at a clamping end of the mandrel body (3).

2. The quick install mandrel assembly of claim 1 wherein: the centering portion (31) is in a tapered shape.

3. The quick install mandrel assembly of claim 1 wherein: the shaft sleeve (3) further comprises a baffle portion (33) used for increasing a stress surface, and the baffle portion (33) and the centering portion (31) are located at the same end of the shaft sleeve (3).

4. The quick install mandrel assembly of claim 1 wherein: the shaft sleeve member (3) is further provided with an assembling groove (34) used for clamping the lining piece (4).

5. A handle, characterized in that: the method comprises the following steps:

the quick fit mandrel assembly of any of claims 1 to 4;

the fast-assembly mandrel component is assembled on the handle seat (5);

a handle grip (6) assembled to the shaft assembly (3) of the quick-fit mandrel assembly.

6. A handle as set forth in claim 5, wherein: the handle seat (5) comprises an inner seat (51) and an outer shell (52), wherein the inner seat (51) is used for being assembled and fixed on a door window body, the outer shell (52) is used for protecting and decorating, and the outer portion of the inner seat (51) is sleeved with the outer shell (52).

7. A handle as defined in claim 5, wherein: the handle (6) is provided with an inserting hole (8) which is matched with the mounting part (21) in an inserting way.

8. A handle as claimed in claim 5 or 6, wherein: the handle seat (5) is provided with a key opening (7) for inserting a key.