Telescopic handle

Abstract

The utility model provides a telescopic lever handle. The telescopic lever handle comprises a base, a lever handle body, a shaft rod assembly and a telescopic assembly connected between the base and the lever handle body. A cavity is formed in one end of the handle; the telescopic assembly comprises an outer guide rail, an inner guide rail and a reset spring, the outer guide rail is fixed to the base, the inner guide rail is provided with an inner cavity, one end of the inner guide rail is inserted into the outer guide rail, the other end of the inner guide rail is fixed to the cavity, and one end of the reset spring abuts against the interior of the inner cavity; the shaft rod assembly comprises a shaft rod, the shaft rod penetrates through the base and extends into an inner cavity of the inner guide rail, and the other end of the reset spring is arranged on the shaft rod in a sleeving mode and abuts against the shaft rod assembly in a pressing mode. When the telescopic handle is installed on the screen window and used and the screen window is closed, the screen window and the glass window forcibly compress the handle to enable the handle body to be close to the base, when the screen window is opened, the handle body is bounced by the reset spring of the telescopic assembly, user operation is facilitated, and the user experience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of window handles, and in particular to a telescopic handle. Background Art

[0002] In order to prevent flying insects, gravel, leaves or other garbage from entering the room, windows generally use a glass window + screen structure, usually with a glass structure on the outside and a screen structure on the inside. For the sake of aesthetics and cost reduction, the gap between the two layers of window structure is usually set to be relatively small, and the handle is installed on the profile of the glass window, that is, it is located between the two layers of windows when closing the window. The operating space is small, which is inconvenient for users to close the window, and there is even a risk of pinching fingers. The industry generally uses crooked handles (staggered settings between the handle and the base) to alleviate the problem of pinching fingers, but it cannot fundamentally solve the problem of small operating space. Utility Model Content

[0003] The utility model aims to provide a telescopic handle which is convenient to use on a double-layer window of a screen window structure.

[0004] In order to achieve the above objectives, the utility model provides the following technical solutions:

[0005] The utility model provides a telescopic handle, comprising a base, a handle, a shaft assembly and a telescopic assembly connected between the base and the handle; a cavity is formed at one end of the handle; the telescopic assembly comprises an outer guide rail, an inner guide rail and a reset spring, the outer guide rail is fixed to the base, the inner guide rail is provided with an inner cavity, one end of the inner guide rail is inserted into the outer guide rail, the other end of the inner guide rail is fixed to the cavity, one end of the reset spring is pressed into the inner cavity; the shaft assembly comprises a shaft rod, the shaft rod passes through the base and extends into the inner cavity of the inner guide rail, the other end of the reset spring is sleeved on the shaft rod and pressed against the shaft assembly.

[0006] In one embodiment, the outer guide rail is provided with a first guide groove extending along its height direction, the inner guide rail is provided with a second guide groove matching the first guide groove, and a lubricating steel ball is provided between the first guide groove and the second guide groove.

[0007] In one embodiment, the outer guide rail includes a pad block and a guide rail body fixed to each other, the guide rail body is arranged between the pad block and the inner guide rail, the first guide groove is arranged on the guide rail body, the pad block is provided with a guide rod matching the second guide groove, and the inner guide rail can pass through the guide rail body so that its second guide groove is nested in the guide rod.

[0008] In one embodiment, the base includes a base body and a base cover covering the base body and placed on the top, and the cushion block is arranged on the base cover.

[0009] In one embodiment, a mounting hole is provided at a corner end of the cushion block, a clamping spring is provided in the mounting hole, one end of the clamping spring presses against the end surface of the guide rail body, the other end of the clamping spring is sleeved on the pin shaft, one end of the pin shaft is exposed from the cushion block and presses against the base cover.

[0010] In one embodiment, the base body is provided with a steel ball spring, the shaft assembly includes a turntable sleeved on the shaft, the turntable is provided with a pause groove on the outer periphery, and the steel ball of the steel ball spring is partially embedded in the pause groove when the turntable rotates into place.

[0011] In one embodiment, the pause groove includes a start-stop pause groove and an intermediate pause groove. A plurality of the start-stop pause grooves are evenly arranged along the circumferential direction of the turntable, and the intermediate pause groove is arranged between adjacent start-stop pause grooves.

[0012] In one embodiment, the center of the start and end stop grooves is arranged on the same circumference as the center of the middle stop groove.

[0013] In one embodiment, the radius of the start-end pause groove is greater than the radius of the middle pause groove.

[0014] In one embodiment, the base body is provided with an installation groove, the installation groove has a center hole and a pair of receiving holes, the center hole is used to cover the turntable, the pair of receiving holes are arranged on both sides of the center hole and connected with the center hole, the steel ball spring is embedded in the receiving hole and makes the steel ball protrude from the center hole.

[0015] The beneficial effects brought about by the technical solution provided by the utility model are as follows: the telescopic handle of the utility model is provided with a telescopic assembly between the handle and the base, so that the handle can be pressed close to the base, and move away from the base when the external pressure on the handle is weakened or disappears. Therefore, when the handle is installed on a screen window and the screen window is closed, the handle is forced to be compressed to move close to the base. When the screen window is opened, the handle is bounced up by the reset spring of the telescopic assembly, which is convenient for user operation and improves the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments of the present invention.

[0017] Figure 1 A schematic diagram of the three-dimensional structure of a telescopic handle in an extended state provided by an embodiment of the utility model;

[0018] Figure 2 for Figure 1 A cross-sectional view of the telescopic handle shown in the extended state;

[0019] Figure 3 for Figure 1 The three-dimensional structural diagram of the telescopic handle in the shortened state is shown;

[0020] Figure 4 for Figure 1 A cross-sectional view of the telescopic handle shown in a shortened state;

[0021] Figure 5 for Figure 1 Exploded view of the telescopic handle shown;

[0022] Figure 6 A schematic diagram of the three-dimensional structure of a telescopic assembly provided in one embodiment of the utility model;

[0023] Figure 7 for Figure 6 A perspective view of the telescopic assembly from another perspective;

[0024] Figure 8 A schematic diagram of the three-dimensional structure of a guide rail body provided in one embodiment of the utility model;

[0025] Fig. 9 A schematic diagram of the three-dimensional structure of a cushion block provided in one embodiment of the utility model;

[0026] Fig.10 A schematic diagram of the three-dimensional structure of an inner guide rail provided in one embodiment of the utility model;

[0027] Fig.11 A schematic diagram of the three-dimensional structure of a mounting groove provided in one embodiment of the utility model. DETAILED DESCRIPTION

[0028] The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as being limited to the embodiments described herein. Instead, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not intended to limit the scope of protection of the present invention.

[0029] It should be understood that the various steps described in the method implementation of the present utility model can be performed in different orders and / or performed in parallel. In addition, the method implementation may include additional steps and / or omit the steps shown. The scope of the present utility model is not limited in this respect.

[0030] The term "including" and its variations used herein are open inclusions, i.e., "including but not limited to". The term "connected" may be directly connected or indirectly connected through intermediate components (elements). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one other embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0031] It should be noted that the concepts such as "first" and "second" mentioned in the present invention are only used to distinguish between devices, modules or units, and are not used to limit these devices, modules or units to be different devices, modules or units, nor are they used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0032] See also Figures 1 to 11 The utility model relates to a telescopic handle, which is suitable for windows with a double-layer structure of glass + mesh. The handle is automatically compressed when the mesh is closed so that the handle can be retracted between the glass window and the mesh. The handle is automatically extended when the mesh is opened, which is convenient for user operation, such as opening the glass window, and improves the user experience.

[0033] The telescopic handle includes a base 20 , a handle 10 , a shaft assembly 30 , and a telescopic assembly 40 connected between the base 20 and the handle 10 .

[0034] A cavity 11 is formed at one end of the handle 10 .

[0035] The telescopic assembly 40 includes an outer guide rail, an inner guide rail 42 and a return spring 43 .

[0036] The outer guide rail is fixed to the base 20 and is provided with a mounting hole, wherein the mounting hole is used to mount the inner guide rail 42 and allow the inner guide rail to slide.

[0037] The inner guide rail 42 is provided with an inner cavity 421 , one end of the inner guide rail 42 is inserted into the outer guide rail, and the other end of the inner guide rail 42 is provided with a mounting ring 422 , and the mounting ring 422 is used to fix the inner guide rail 42 to the cavity 11 by inserting screws.

[0038] One end of the return spring 43 presses into the inner cavity 421 .

[0039] The shaft assembly 30 includes a shaft 31 , which passes through the base 20 and extends into the inner cavity 421 of the inner guide rail 42 . The other end of the return spring 43 is sleeved on the shaft 31 and pressed against the shaft assembly 30 .

[0040] By providing a telescopic assembly 40 between the handle 10 and the base 20, the handle 10 can be pressed close to the base 20, and move away from the base 20 when the external pressure on the handle 10 is weakened or disappears. Therefore, when the handle 10 is installed on a screen window and the screen window is closed, the handle 10 is forced to be compressed to move close to the base 20. When the screen window is opened, the handle 10 is bounced up by the return spring 43 of the telescopic assembly 40, which is convenient for user operation and improves the user experience.

[0041] In one embodiment, the outer guide rail is provided with a first guide groove 412 extending along its height direction, the inner guide rail 42 is provided with a second guide groove 423 matching the first guide groove 412 , and a lubricating steel ball 47 is provided between the first guide groove 412 and the first guide groove 412 .

[0042] In one embodiment, the outer guide rail includes a guide rail body 41 and a cushion block 44 fixed to each other. The guide rail body 41 is disposed between the cushion block 44 and the inner guide rail 42, and the guide rail body 41 is provided with a first mounting hole 411, and the first guide groove 412 is disposed in the guide rail body 41 and communicates with the first mounting hole 411. The cushion block 44 is provided with a second mounting hole 441 and a guide rod 442, the second mounting hole 411 is connected with the first mounting hole 441 to form the mounting hole of the outer guide rail, the guide rod matches the second guide groove 423, and the inner guide rail 42 can pass through the guide rail body 41 so that its second guide groove 423 is embedded in the guide rod 442, so that the inner guide rail 42 slides along the guide rod 442.

[0043] By providing the guide groove, the guide rod and the lubricating steel ball 47, it is convenient for the inner guide rail 42 to slide relative to the outer guide rail, thereby facilitating the extension and retraction of the handle and improving the user experience.

[0044] In one embodiment, the base 20 includes a base body 21 and a base cover 22 covering the base body 21 and placed on the top, and the cushion block 44 is disposed on the base cover 22 .

[0045] In one embodiment, a mounting hole is provided at a corner end of the cushion block 44, and a clamping spring 46 is provided in the mounting hole. One end of the clamping spring 46 presses against the end surface of the guide rail body 41, and the other end of the clamping spring 46 is sleeved on the pin shaft 45. One end of the pin shaft 45 is exposed from the cushion block 44 and presses against the base cover 22.

[0046] In one embodiment, the base body 21 is provided with a steel ball spring 23, and the shaft assembly 30 includes a turntable 32 sleeved on the shaft 31, and the turntable 32 is provided with a stop groove 321 on the outer periphery, and the steel ball of the steel ball spring 23 is partially embedded in the stop groove 321 when the turntable 32 is rotated into place.

[0047] In one embodiment, the pause groove 321 includes a start-end pause groove 3211 and an intermediate pause groove 3212 . A plurality of the start-end pause grooves 3211 are evenly arranged along the circumferential direction of the turntable 32 , and the intermediate pause groove 3212 is arranged between adjacent start-end pause grooves 3211 .

[0048] In one embodiment, the center of the start and end stop grooves 3211 and the center of the middle stop groove 3212 are arranged on the same circumference.

[0049] In one embodiment, the radius of the start-end stop groove 3211 is greater than the radius of the middle stop groove 3212 .

[0050] In one embodiment, the base body 21 is provided with an installation groove 24, and the installation groove 24 has a center hole 241 and a pair of receiving holes 242. The center hole is used to cover the turntable 32. The pair of receiving holes 242 are respectively arranged on both sides of the center hole 241 and connected with the center hole 241. The steel ball spring 23 is embedded in the receiving hole and makes the steel ball protrude from the center hole.

[0051] By providing a steel ball spring 23 and a corresponding pause hole and pause groove, the steel ball of the steel ball spring 23 can be partially stuck in the pause hole and pause groove when the handle is rotated to a certain angle, producing a pause feeling and a "click" sound effect, thereby improving the feel and fun of the handle when used and enhancing the user experience.

[0052] The above description is only a preferred embodiment of the utility model and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the utility model involved in the utility model is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the above utility model. For example, the above features are replaced with the technical features of the utility model (but not limited to) with similar functions in the utility model of the utility model to form a technical solution.

[0053] Although the subject matter has been described in language specific to structural features and / or methodological logical actions, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or actions described above. On the contrary, the specific features and actions described above are merely example forms of implementing the claims.

Claims

1. A telescopic handle, characterized in that: It includes a base, a handle, a shaft assembly and a telescopic assembly connected between the base and the handle; One end of the handle forms a cavity; The telescopic assembly comprises an outer guide rail, an inner guide rail and a return spring, wherein the outer guide rail is fixed to the base, the inner guide rail is provided with an inner cavity, one end of the inner guide rail is inserted into the outer guide rail, the other end of the inner guide rail is fixed to the cavity, and one end of the return spring is pressed into the inner cavity; The shaft assembly comprises a shaft, which passes through the base and extends into the inner cavity of the inner guide rail. The other end of the return spring is sleeved on the shaft and pressed against the shaft assembly.

2. The telescopic handle according to claim 1, characterized in that: The outer guide rail is provided with a first guide groove extending along the height direction thereof, the inner guide rail is provided with a second guide groove matching the first guide groove, and a lubricating steel ball is provided between the first guide groove and the second guide groove.

3. The telescopic handle according to claim 2, characterized in that: The outer guide rail includes a pad block and a guide rail body fixed to each other, the guide rail body is arranged between the pad block and the inner guide rail, the first guide groove is arranged on the guide rail body, the pad block is provided with a guide rod matching the second guide groove, and the inner guide rail can pass through the guide rail body so that its second guide groove is nested in the guide rod.

4. The telescopic handle according to claim 3, characterized in that: The base comprises a base body and a base cover covering the base body and placed on the top, and the cushion block is arranged on the base cover.

5. The telescopic handle according to claim 4, characterized in that: A mounting hole is provided at the corner end of the cushion block, and a clamping spring is provided in the mounting hole. One end of the clamping spring presses against the end surface of the guide rail body, and the other end of the clamping spring covers the pin shaft. One end of the pin shaft is exposed from the cushion block and presses against the base cover.

6. The telescopic handle according to claim 4, characterized in that: The base body is provided with a steel ball spring, the shaft assembly comprises a turntable sleeved on the shaft, the turntable is provided with a stop groove on the outer circumference, and the steel ball of the steel ball spring is partially embedded in the stop groove when the turntable rotates into place.

7. The telescopic handle according to claim 6, characterized in that: The stop grooves include start and end stop grooves and middle stop grooves. A plurality of start and end stop grooves are evenly arranged along the circumferential direction of the turntable, and the middle stop grooves are arranged between adjacent start and end stop grooves.

8. The telescopic handle according to claim 7, characterized in that: The center of the start and end pause grooves is arranged on the same circumference as the center of the middle pause groove.

9. The telescopic handle according to claim 7, characterized in that: The radius of the start-end pause groove is greater than the radius of the middle pause groove.

10. The telescopic handle according to claim 6, characterized in that: The base body is provided with an installation groove, which has a center hole and a pair of receiving holes. The center hole is used to cover the turntable, and the pair of receiving holes are arranged on both sides of the center hole and connected with the center hole. The steel ball spring is embedded in the receiving hole and makes the steel ball protrude from the center hole.

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