CN220979097U

CN220979097U - Base-free expansion handle

Info

Publication number: CN220979097U
Application number: CN202323024646.7U
Authority: CN
Inventors: 白宝鲲
Original assignee: Guangdong Kinlong Hardware Products Co Ltd
Current assignee: Guangdong Kinlong Hardware Products Co Ltd
Priority date: 2023-11-08
Filing date: 2023-11-08
Publication date: 2024-05-17
Anticipated expiration: 2033-11-08

Abstract

The utility model belongs to the technical field of hardware accessories, and particularly relates to a bottomless expansion handle which comprises a handle, a fastener, an expansion piece, a transmission assembly and a fixed seat; the fixed seat is used for being connected with the section bar, and the transmission component is arranged in the expansion piece and connected with the handle; one end of the transmission component passes through the fixed seat and is used for being connected with an external element; the handle is internally provided with an installation cavity, and the side end of the handle is provided with an installation hole communicated with the installation cavity; the expansion piece is arranged in the mounting cavity, the fastening piece passes through the mounting hole and is connected with the expansion piece, and the expansion piece is extruded by the fastening piece to be caused to deform and expand so as to reduce the gap between the expansion piece and the handle. The fastener gives the inside expansion piece pressure of handle, makes its deformation inflation expand, fills the inside clearance of full handle, makes handle and expansion piece be interference fit to solve the long-term back of using of product, the handle can rock the problem, so, increases the life of product.

Description

Base-free expansion handle

Technical Field

The utility model belongs to the technical field of hardware accessories, and particularly relates to an expansion handle without a base.

Background

The handle without the base has the advantages of attractive appearance and difficult dust accumulation, so the handle without the base is often arranged on a door or window to realize the opening and locking of the door or window.

The non-base handle is composed of a wheel tooth, a handle and other parts, and the parts are fixed into a whole through a fastening jackscrew. In the prior art, there are problems with the bottomless handles, such as: when the handle is used, due to the fact that gaps exist among the accessories and long-term use abrasion is added, the base-free handle can shake when in use, and a user does not have good experience; product problems also occur when severe.

Disclosure of utility model

The utility model aims to provide a bottomless expansion handle, which aims to solve the technical problem that the bottomless handle is easy to generate problems after long-term use abrasion due to gaps among accessories of the bottomless handle in the prior art.

In order to achieve the above purpose, the embodiment of the utility model provides a bottomless expansion handle, which comprises a handle, a fastening piece, an expansion piece, a transmission assembly and a fixing seat; the fixed seat is used for being connected with the section bar, and the transmission assembly is arranged in the expansion piece and is connected with the handle; one end of the transmission component passes through the fixed seat and is used for being connected with an external element; an installation cavity is formed in the handle, and an installation hole communicated with the installation cavity is formed in the side end of the handle; the expansion piece is installed in the installation cavity, the fastening piece penetrates through the installation hole and is connected with the expansion piece, and the expansion piece is extruded by the fastening piece to be caused to deform and expand so as to reduce a gap between the expansion piece and the handle.

Optionally, the expansion member is hollow inside and has openings at both ends.

Optionally, the opposite sides of the expansion piece are respectively provided with a first expansion hole and a second expansion hole, the widths of the first expansion hole and the second expansion hole are smaller than the width of the fastening piece, and the first expansion hole and the second expansion hole are oppositely arranged.

Optionally, the first expansion hole (31) and the second expansion hole (32) comprise a main body section (310) and transition sections (315) respectively communicated with two sides of the main body section (310); the main body section (310) and the transition section (315) are arranged in a longitudinal direction; the width of the transition section (315) is smaller than the width of the main body section (310), and the main body section (310) is arranged in a circular shape.

Optionally, the distance from the first expansion hole to the second expansion hole is less than the length of the fastener.

Optionally, an internal thread is disposed in the mounting hole, and an external thread adapted to the internal thread is disposed at one end of the fastener.

Optionally, the diameter of one end of the fastener tapers away from the other end of the fastener.

Optionally, the transmission assembly comprises a connecting seat, a reset element, a clamping block and a connecting piece; one end of the connecting seat is arranged in the expansion piece, and the resetting element is connected with the connecting seat and the fixed seat and used for resetting or positioning the handle; the clamping block is rotationally connected to the fixing seat, and the connecting piece connects the clamping block with the connecting seat.

Optionally, a chamfer is provided at an end of the connection seat facing away from the reset element.

Optionally, the connecting seat is provided with a step, and the step is contacted with the end face of the expansion piece and is positioned in the mounting cavity.

The above technical solutions in the inflatable handle without a base provided by the embodiments of the present utility model have at least one of the following technical effects: during the installation, pack into the expansion member with drive assembly to be connected fixing base and drive assembly, then pass the mounting hole through the fastener, the fastener gives the inside expansion member pressure of handle, makes its deformation inflation expand, fills the inside clearance of full handle, makes handle and expansion member be interference fit, in order to solve the long-term use of product after, the handle can rock the problem, so, the life of increase product.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an inflatable handle without a base according to an embodiment of the present utility model.

Fig. 2 is a schematic exploded view of the expansion handle without the base of fig. 1.

Fig. 3 is a schematic view of the expansion handle without the base of fig. 1 from another view.

Fig. 4 is a cross-sectional view taken along line A-A of fig. 3.

Fig. 5 is a cross-sectional view of the expansion member of fig. 1 in an unexpanded state after assembly of the handle.

Fig. 6 is a cross-sectional view of the expansion member of fig. 5 in an expanded state after assembly within the handle.

Fig. 7 is a schematic structural view of the expansion member of fig. 1.

Fig. 8 is a schematic structural diagram of the connection base of fig. 1.

Wherein, each reference sign in the figure:

10-handle 11-mounting cavity 12-mounting hole

20-Fastener 21-external thread 30-expansion member

31-First expansion hole 32-first expansion hole 40-transmission assembly

41-Connection seat 42-reset element 43-clamping block

44-Connector 50-holder 310-body section

315-Transition 411-chamfer 412-step

421-Brass shims 422-springs 423-steel balls.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 8 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used 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 one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 8, there is provided a bottomless expansion handle, comprising a handle 10, a fastener 20, an expansion member 30, a transmission assembly 40 and a fixing base 50; the fixing base 50 is used for connecting with a section bar, wherein the section bar can be a door section bar or a fan section bar. The transmission assembly 40 is installed in the expansion piece 30 and connected with the handle 10; when the handle 10 is rotated, the expansion member 30 and the transmission assembly 40 rotate together with the handle 10; one end of the transmission assembly 40 passes through the fixing seat 50 and is used for being connected with an external element; the handle 10 is internally provided with a mounting cavity 11, and the side end of the handle 10 is provided with a mounting hole 12 communicated with the mounting cavity 11; the expansion piece 30 is installed in the installation cavity 11, and the fastening piece 20 passes through the installation hole 12 and is connected with the expansion piece 30; the compression of the fastener 20 causes the expansion member 30 to deform and expand to reduce the gap between the expansion member 30 and the handle 10.

Specifically, when the handle is installed, the transmission assembly 40 is installed to the expansion piece 30, the fixing seat 50 is connected with the transmission assembly 40, then the fastening piece 20 passes through the installation hole 12, the fastening piece 20 gives pressure to the expansion piece 30 in the handle 10, deformation expansion of the expansion piece is achieved, gaps in the handle 10 are filled, the handle 10 and the expansion piece 30 are in interference fit, the problem that the handle 10 can shake after a product is used for a long time is solved, and therefore the service life of the product is prolonged.

In the present embodiment, as shown in fig. 2 and 4 to 7, the expansion member 30 is hollow inside and has openings at both ends. Specifically, the expansion member 30 is hollow internally and has an open arrangement at both ends for installation of the drive assembly 40.

The expansion piece 30 is provided with a first expansion hole 31 and a second expansion hole 32 on two opposite sides respectively, the widths of the first expansion hole 31 and the second expansion hole 32 are smaller than the width of the fastener 20, and the first expansion hole 31 and the second expansion hole are arranged opposite to each other. Specifically, the first expansion hole 31 corresponds to the mounting hole 12, and the first expansion hole 31 and the second expansion hole 32 each include a main body section 310 and a transition section 315 respectively communicating with two sides of the main body section 310; the main body section 310 and the transition section 315 are arranged in a longitudinal direction; the width of the transition section 315 is smaller than the width of the body section 310, and the body section 310 is circularly arranged. The aperture of the main body section 310 of the first expansion hole 31 is larger than the aperture of the main body section 310 of the second expansion hole 32, and the fastener 20 passes through the first expansion hole 31 and the second expansion hole 32 after passing through the mounting hole 12, so as to provide expansion deformation of the pressure extrusion expansion piece 30. The transition section 315 is strip-shaped to allow for better deformation expansion of the expansion member 30 as the fastener 20 passes through the body section 310, and the expansion member 30 is a plastic member.

The distance from the first expansion aperture 31 to the second expansion aperture 32 is less than the length of the fastener 20. Specifically, the fastener 20 is a jackscrew, and the length of the fastener 20 is greater than the distance between the first expansion hole 31 and the second expansion hole 32, so as to ensure that the fastener 20 can prop open the second expansion hole 32 on the side far away from the mounting hole 12, and deform and expand the expansion member 30.

In this embodiment, as shown in fig. 2 and 4, the mounting hole 12 is internally provided with internal threads, and one end of the fastener 20 is provided with external threads 21 that mate with the internal threads. Specifically, the expansion member 30 and the handle 10 are fixed by screwing, and shake is not easily generated.

The diameter of one end of the fastener 20 tapers away from the other end of the fastener 20. Specifically, the end of the fastener 20 remote from the external thread 21 is in the shape of a truncated cone or a cone, so that the expansion member 30 can be inserted and deformed to expand better, and the aperture of the second expansion hole 32 can be set smaller than that of the first expansion hole 31 because the end of the fastener 20 is in the shape of a truncated cone or a cone.

In the present embodiment, as shown in fig. 2 and 3, the transmission assembly 40 includes a connection base 41, a reset element 42, a clamping block 43, and a connection member 44; one end of the connecting seat 41 is arranged in the expansion piece 30, and the reset element 42 is connected with the connecting seat 41 and the fixed seat 50 and is used for resetting or positioning the handle 10; the clamping block 43 is rotatably connected to the fixing base 50, and the connecting piece 44 connects the clamping block 43 and the connecting base 41. Specifically, the connecting seat 41 is provided with a hole for the fastener 20 to pass through, one end of the connecting seat 41 extends into the expansion piece 30, the other end of the connecting seat 41 is arranged outside the expansion piece 30 and is positioned in the handle 10, the resetting element 42 is positioned between the fixed seat 50 and the connecting seat 41, the connecting piece 44 is used for fixing the connecting seat 41 on the handle 10, the handle 10 is rotated, the handle 10 drives the connecting seat 41 to rotate, the connecting seat 41 and the fixed seat 50 relatively rotate, and meanwhile, the resetting element 42 generates force to reset or position the handle 10 together.

In the present embodiment, as shown in fig. 8, an end of the connecting seat 41 facing away from the reset element 42 is provided with a chamfer 411. Specifically, the connecting seat 41 has a chamfer 411 at one end for assembling with the expansion member 30, facilitating installation.

The connecting seat 41 is provided with a step 412, and the step 412 is in contact with the end surface of the expansion member 30 and is located in the installation cavity 11. Specifically, the step 412 is a portion of the connection seat 41 from which material is not removed, and functions to maintain a good rigid connection with the handle 10.

The reset element 42 comprises a brass shim 421, a spring 422 and a steel ball 423, wherein the brass shim 421 is arranged on the connecting seat 41, the brass shim 421 is provided with an arc-shaped groove, and the steel ball 423 is arranged in the arc-shaped groove. The fixing seat 50 is provided with a groove for accommodating the spring 422, the spring 422 is arranged in the groove, one end of the spring 422 is connected with the steel ball 423, and the steel ball 423 is partially arranged in the groove.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a no base inflation formula handle which characterized in that: comprises a handle (10), a fastener (20), an expansion piece (30), a transmission component (40) and a fixed seat (50); the fixed seat (50) is used for being connected with the section bar, and the transmission assembly (40) is arranged in the expansion piece (30) and is connected with the handle (10); one end of the transmission assembly (40) passes through the fixed seat (50) and is used for being connected with an external element; a mounting cavity (11) is formed in the handle (10), and a mounting hole (12) communicated with the mounting cavity (11) is formed in the side end of the handle (10); the expansion piece (30) is installed in the installation cavity (11), the fastening piece (20) penetrates through the installation hole (12) and is connected with the expansion piece (30), and the fastening piece (20) is extruded to enable the expansion piece (30) to deform and expand so as to reduce a gap between the expansion piece (30) and the handle (10).

2. The seatless inflatable handle of claim 1, wherein: the expansion member (30) is hollow inside and has openings at both ends.

3. The seatless inflatable handle of claim 1, wherein: the expansion piece (30) is provided with a first expansion hole (31) and a second expansion hole (32) on two opposite sides respectively, the widths of the first expansion hole (31) and the second expansion hole (32) are smaller than the width of the fastener (20), and the first expansion hole (31) and the second expansion hole (32) are oppositely arranged.

4. The seatless inflatable handle of claim 3, wherein: the first expansion hole (31) and the second expansion hole (32) comprise a main body section (310) and transition sections (315) respectively communicated with two sides of the main body section (310); the main body section (310) and the transition section (315) are arranged in a longitudinal direction; the width of the transition section (315) is smaller than the width of the main body section (310), and the main body section (310) is arranged in a circular shape.

5. The seatless inflatable handle of claim 3, wherein: the distance from the first expansion hole (31) to the second expansion hole (32) is smaller than the length of the fastener (20).

6. The seatless inflatable handle of claim 1, wherein: an internal thread is arranged in the mounting hole (12), and an external thread (21) matched with the internal thread is arranged at one end of the fastener (20).

7. The seatless inflatable handle of claim 1, wherein: the diameter of one end of the fastener (20) decreases progressively in a direction away from the other end of the fastener (20).

8. The seatless inflatable handle of any one of claims 1-7, wherein: the transmission assembly (40) comprises a connecting seat (41), a reset element (42), a clamping block (43) and a connecting piece (44); one end of the connecting seat (41) is arranged in the expansion piece (30), and the reset element (42) is connected with the connecting seat (41) and the fixed seat (50) and is used for resetting or positioning the handle (10); the clamping block (43) is rotatably connected to the fixing seat (50), and the connecting piece (44) connects the clamping block (43) with the connecting seat (41).

9. The seatless inflatable handle of claim 8, wherein: one end of the connecting seat (41) which is opposite to the reset element (42) is provided with a chamfer (411).

10. The seatless inflatable handle of claim 8, wherein: the connecting seat (41) is provided with a step (412), and the step (412) is in contact with the end face of the expansion piece (30) and is positioned in the mounting cavity (11).