Window lever handle with handle and protective plate capable of being replaced quickly

By adopting a hollow spindle, adjusting spring, and 7-shaped locking block structure in the window handle, the replacement process of the handle and guard plate is simplified, solving the problem of cumbersome disassembly in the existing technology and improving the convenience and aesthetics of use.

CN223675981UActive Publication Date: 2025-12-16WENZHOU MEILA HARDWARE CO LTD
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Patent Information

Application Number
CN202422627702.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-30
Publication Date
2025-12-16
Estimated Expiration
2034-10-30

AI Technical Summary

Technical Problem

The existing window handles are cumbersome to replace when the handle and guard plate are replaced, requiring complicated disassembly steps, which affects the convenience of use.

Method used

Design a window handle with quick-change handle and guard plate. By installing a hollow spindle and adjusting spring on the base, and using a 7-shaped locking block and stress relief hole, the handle and base can be quickly locked and unlocked, simplifying the replacement process.

Benefits of technology

It enables quick replacement of handles and guards, simplifies disassembly, and improves ease of use and aesthetics.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a window handle with a handle and a protective plate capable of being replaced quickly, which relates to the technical field of door and window accessories and comprises a base, a hollow mandrel mounted on the base, a second fixing hole arranged on the mandrel, a protective plate sleeved outside the base, a handle inner sleeve mounted inside the handle and a handle outer sleeve mounted inside the handle inner sleeve. A first fixing hole is formed in the handle inner sleeve, a force unloading hole is formed in the handle, the end of the square rod penetrates through the base to enter the core shaft, the adjusting pressure spring is located in the core shaft and located between the square rod and the core shaft, the locking block comprises a horizontal part and a vertical part, and the vertical part sequentially penetrates through the second fixing hole and the first fixing hole. The end, away from the horizontal part, of the vertical part makes contact with the lower end face of the first fixing hole, when disassembly is needed, a fine needle is inserted into the force unloading hole to push the vertical part of the locking block to be disengaged from the handle inner sleeve, the handle can be disengaged from the base, the protection plate loses limiting, and therefore the handle and the protection plate can be rapidly replaced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to door and window accessory technical field more specifically, relate to a window handle of quick replacement handle and guard plate. BACKGROUND

[0002] The handle of the anti-theft window is an important component of the anti-theft window, which is related to the appearance of the window, and directly affects the safety and convenience of the window.

[0003] The handle of the window handle is damaged after long-term use or the user needs to select different models of handles according to the use requirement, so the handle needs to be disassembled and installed, the handle of the conventional window handle is disassembled complicatedly, the rear cover of the handle needs to be opened first, the rear cover of the handle is seen, it is rotated 90 degrees to open to see the fixed cross screw inside, the screw inside is unscrewed with a cross screwdriver, the process is complex, which brings inconvenience to the user.

[0004] In summary, how to provide a window handle that can quickly disassemble and replace the handle and the guard plate is a problem that needs to be solved by the technical personnel in the field at present. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a window handle that can quickly replace the handle and the guard plate, which is convenient for replacing the handle and the guard plate quickly.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A window handle that can quickly replace the handle and the guard plate, comprising:

[0008] A base is provided with a hollow mandrel, the mandrel is provided with a second fixing hole, and the base is externally provided with a guard plate;

[0009] A handle is internally provided with a handle inner sleeve, the handle inner sleeve is provided with a first fixing hole, the handle is provided with a force releasing hole and is located at the corresponding position of the first fixing hole;

[0010] A square bar penetrates into the interior of the mandrel through the base;

[0011] An adjusting compression spring is located in the interior of the mandrel and between the square bar and the mandrel;

[0012] A lock block comprises a horizontal part and a vertical part and is integrally formed in a 7-shaped structure, the horizontal part is located between the adjusting compression spring and the mandrel, the vertical part penetrates through the second fixing hole and the first fixing hole in sequence, and the end of the vertical part away from the horizontal part is in contact with the lower end surface of the first fixing hole.

[0013] The utility model further, first handle head subassembly is installed to the base, the square stick passes first handle head subassembly with first handle head subassembly fixed connection.

[0014] The utility model further, still include:

[0015] The inner liner is installed on the base;

[0016] Second handle head subassembly, second handle head subassembly is installed between the inner liner and the base;

[0017] Third handle head subassembly, third handle head subassembly is installed between first handle head subassembly and the base.

[0018] The utility model further, the square stick with the contact position of adjusting pressure spring is equipped with limit post, the cross-sectional area of limit post is less than the cross-sectional area of square stick.

[0019] The utility model further, the included angle of horizontal part and vertical part is greater than 90 degrees.

[0020] The utility model further, be equipped with the locating post on the horizontal part, the locating post with horizontal part is cross-shaped structure, one end of locating post enters the inside of adjusting pressure spring.

[0021] The utility model further, the core shaft with handle inner cover contact position is equipped with through -hole, the one end of locating post away from adjusting pressure spring passes through through -hole.

[0022] The utility model further, the lock block adopts elastic material.

[0023] The utility model further, the diameter of unloading force hole is less than 0.5cm.

[0024] The utility model further, the core shaft with handle inner cover between through spline realizes radial limit.

[0025] The window handle provided by the utility model can quickly replace the handle and the guard plate, the handle is internally provided with a handle inner sleeve, a first fixing hole is arranged on the handle inner sleeve, a hollow mandrel is installed on the base, the guard plate is sleeved outside the base, the square rod penetrates through the base and enters the inside of the mandrel, the adjusting compression spring is located inside the mandrel and between the square rod and the mandrel, the lock block comprises a horizontal part and a vertical part and is integrally formed as a character-shaped structure, the horizontal part is located between the adjusting compression spring and the mandrel, the vertical part penetrates through the second fixing hole and the first fixing hole in sequence, and the end of the vertical part away from the horizontal part is in contact with the end face of the first fixing hole, that is to say, the adjusting compression spring is placed inside the mandrel and has a pressure for pushing the square rod, then the lock block is placed at the end of the adjusting compression spring, the mandrel is sleeved outside the adjusting compression spring, meanwhile, the end of the lock block extends out of the second fixing hole, and the mandrel is fixedly installed between the base, then the handle inner sleeve is sleeved outside the mandrel, meanwhile, the first fixing hole and the second fixing hole are correspondingly arranged, when the vertical part of the lock block is in contact with the end face of the first fixing hole, the handle can be locked on the base, and then the guard plate is limited, when it is needed to disassemble, only the vertical part of the lock block is pushed away from the contact with the handle inner sleeve by inserting a thin needle into the force releasing hole, so that the unlocking function can be realized, the handle is separated from the base, meanwhile, the guard plate loses the limitation, and thus the handle and the guard plate can be quickly replaced. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only the embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to the provided drawings without paying creative labor.

[0027] Figure 1 It is the structure schematic view of the whole disassembled structure provided by the utility model;

[0028] Figure 2 It is the structure schematic view of the section after the whole assembly provided by the utility model;

[0029] Figure 3 It is the structure schematic view of the mandrel partial shaft side provided by the utility model;

[0030] Figure 4 It is the structure schematic view of the mandrel provided by the utility model; Figure 3 It is the structure schematic view of the enlarged A in the middle provided by the utility model;

[0031] Figures 1-4 In the middle, the reference signs include:

[0032] 1, base; 2, mandrel; 201, second fixed hole; 202, through hole; 3, guard plate; 4, handle; 401, unloading hole; 5, handle inner sleeve; 501, first fixed hole; 6, square stick; 601, limiting column; 7, adjusting pressure spring; 8, lock block; 801, horizontal part; 802, vertical part; 803, positioning column; 9, first handle head assembly; 10, inner liner; 11, second handle head assembly; 12, third handle head assembly. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0034] The core of the utility model is to provide a window handle that can quickly replace the handle and the guard plate, which facilitates quick replacement of the handle and the guard plate during use.

[0035] Please refer to Figures 1-4 A window handle that can quickly replace the handle and the guard plate, comprising:

[0036] The base 1 is provided with a hollow mandrel 2 mounted thereon, and the mandrel 2 is provided with a second fixed hole 201.

[0037] The handle 4 is internally provided with a handle inner sleeve 5, and the handle inner sleeve 5 is provided with a first fixed hole 501.

[0038] The square stick 6 penetrates into the interior of the mandrel 2 through the base 1.

[0039] The adjusting pressure spring 7 is located in the interior of the mandrel 2 and between the square stick 6 and the mandrel 2.

[0040] The lock block 8 comprises a horizontal part 801 and a vertical part 802 and is integrally formed in a 7-shaped structure.

[0041] It should be noted that the side of the handle 4 close to the base 1 is provided with a groove for placing the handle inner sleeve 5 inside.

[0042] In addition, the fixing manner between the handle inner sleeve 5 and the handle 4 is not limited. In some embodiments, the handle inner sleeve 5 and the handle 4 can be fixed by interference fit, or fixed by glue bonding, or fixed by clamping, or fixed by bolts.

[0043] Optionally, in order to realize synchronous rotation between the mandrel 2 and the handle inner sleeve 5, in some embodiments, a spline can be arranged on the mandrel 2, and a spline groove can be arranged inside the handle inner sleeve 5, so as to realize synchronous rotation by mutual cooperation.

[0044] In other embodiments, the side surfaces of the mandrel 2 and the handle inner sleeve 5 can be processed into a polygonal structure matched with each other, so as to realize the effect of keeping synchronous rotation after the mandrel 2 and the handle inner sleeve 5 are matched.

[0045] Optionally, in order to ensure that the lock block 8 has a stable locking effect, in some embodiments, the included angle between the horizontal part 801 and the vertical part 802 is greater than 90 degrees, that is, the horizontal part 801 and the vertical part 802 adopt an obtuse angle, so that when the horizontal part 801 is tightly adjusted by the compression spring 7, the vertical part 802 has a pre-tightening force in the direction of the second fixing hole 201, so as to ensure that the end of the vertical part 802 is always in contact with the position of the bottom of the first fixing hole 501 of the handle inner sleeve 5 under the action of external force, thereby realizing the fixing of the handle 4 on the base 1 by the principle of lever.

[0046] Optionally, in order to ensure that the lock block 8 has a stable locking effect, in some embodiments, the lock block 8 is made of elastic material, specifically, the lock block 8 can be made of materials with elastic deformation function such as spring steel, polyethylene, plastic, etc.

[0047] Optionally, in order to improve the appearance of the handle 4 after overall installation, in some embodiments, the diameter of the stress relief hole 401 is less than 0.5 cm, that is, the diameter of the stress relief hole 401 is reduced as much as possible to reduce the influence on the appearance of the handle 4.

[0048] Optionally, in order to further improve the appearance of the handle 4 after overall installation, in some embodiments, the stress relief hole 401 is arranged on the inner side of the elbow of the handle 4, so as to hide the stress relief hole 401 to the greatest extent, which is beneficial to improve the overall appearance of the handle 4.

[0049] Optionally, in order to further improve the appearance of the handle 4 after overall installation, while reducing the entry of foreign matters into the handle 4, in some embodiments, a plug is arranged at the stress relief hole 401, and the plug is arranged inside the stress relief hole 401 when the handle 4 is not disassembled, which on the one hand avoids the entry of foreign matters into the handle 4 and protects the handle 4, and on the other hand improves the overall appearance of the handle 4.

[0050] In use, the handle 4 is internally provided with a handle inner sleeve 5, the handle inner sleeve 5 is provided with a first fixing hole 501, the base 1 is internally provided with a hollow mandrel 2, the base 1 is externally provided with a guard plate 3, the square bar 6 penetrates into the interior of the mandrel 2 through the base 1, the adjusting compression spring 7 is located in the interior of the mandrel 2 and between the square bar 6 and the mandrel 2, the lock block 8 comprises a horizontal part 801 and a vertical part 802 and is integrally formed in a 7-shaped structure, the horizontal part 801 is located between the adjusting compression spring 7 and the mandrel 2, the vertical part 802 penetrates through the second fixing hole 201 and the first fixing hole 501 in sequence, and an end of the vertical part 802 away from the horizontal part 801 is in contact with an end surface of the first fixing hole 501, that is to say, the adjusting compression spring 7 is placed in the interior of the mandrel 2 and has a pressure for pushing the square bar 6, then the lock block 8 is placed at the end of the adjusting compression spring 7, the mandrel 2 is externally sleeved on the adjusting compression spring 7, at the same time, an end of the lock block 8 extends out of the second fixing hole 201, the mandrel 2 is fixedly installed between the base 1, then the handle inner sleeve 5 is externally sleeved on the mandrel 2, at the same time, the first fixing hole 501 is correspondingly arranged with the second fixing hole 201, when the vertical part 802 of the lock block 8 is in contact with the end surface of the first fixing hole 501, the handle 4 can be locked on the base 1, and then the guard plate 3 is limited, when it is needed to be disassembled, only needs to insert a thin needle into the force releasing hole 401 to push the vertical part 802 of the lock block 8 to be separated from the handle inner sleeve 5, so that the unlocking function can be realized, the handle 4 is separated from the base 1, at the same time, the guard plate 3 loses the limitation, thereby the handle 4 and the guard plate 3 can be quickly replaced.

[0051] In some embodiments, the base 1 is provided with a first handle head assembly 9, the square bar 6 penetrates through the first handle head assembly 9 and is fixedly connected with the first handle head assembly 9, that is to say, the square bar 6 is fixed through the first handle head assembly 9.

[0052] Further comprising an inner liner 10, a second handle head assembly 11 and a third handle head assembly 12, the inner liner 10 is installed on the base 1, the second handle head assembly 11 is installed between the inner liner 10 and the base 1, and the third handle head assembly 12 is installed between the first handle head assembly 9 and the base 1.

[0053] Please refer to Figure 1 In some embodiments, the position where the square bar 6 is in contact with the adjusting compression spring 7 is provided with a limiting column 601, the cross-sectional area of the limiting column 601 is smaller than that of the square bar 6, that is to say, the position of the adjusting compression spring 7 is limited through the limiting column 601, so as to avoid the adjusting compression spring 7 from being separated from the square bar 6 and improve the stability of the handle 4 in use.

[0054] Optionally, in some embodiments, the diameter of the positioning column 803 is the same as the inner diameter of the compression spring, which is beneficial to further improve the fixing effect.

[0055] Please refer to Figures 1-4In order to improve the positioning stability of the locking block 8 during use, in some embodiments, a positioning column 803 is arranged on the horizontal part 801, and the positioning column 803 has a cross-shaped structure with the horizontal part 801, one end of the positioning column 803 enters the inside of the adjusting compression spring 7, specifically, by arranging the positioning column 803 on the locking block 8 and placing the positioning column 803 inside the inner ring of the adjusting compression spring 7, when the adjusting compression spring 7 tightly pushes the locking block 8 towards the mandrel 2, the positioning column 803 can keep good stability.

[0056] Optionally, in order to further improve the stability of the locking block 8 during use, in some embodiments, the horizontal part 801 of the locking block 8 and the adjusting compression spring 7 can be fixedly connected, so as to avoid sliding.

[0057] Optionally, in some embodiments, a through hole 202 is arranged at the contact position of the mandrel 2 and the handle inner sleeve 5, and the end of the positioning column 803 away from the adjusting compression spring 7 penetrates through the through hole 202, that is, by the through hole 202 on the top of the mandrel 2, when the positioning column 803 penetrates through the through hole 202, the upper end of the positioning column 803 is limited under the action of the through hole 202, and the lower end of the positioning column 803 is limited by the adjusting compression spring 7, which is helpful to improve the limiting effect of the positioning column 803 as a whole, and can improve the stability of the locking block 8 during installation and use.

[0058] That is, the utility model emphasizes that: the handle is internally provided with a handle inner sleeve, the handle inner sleeve is provided with a first fixing hole, a hollow mandrel is arranged on the base, a protective plate is sleeved outside the base, a square rod penetrates through the base and enters the inside of the mandrel, an adjusting compression spring is located in the inside of the mandrel and between the square rod and the mandrel, a locking block comprises a horizontal part and a vertical part and is integrally formed in a character-shaped structure, the horizontal part 801 is located between the adjusting compression spring and the mandrel, the vertical part penetrates through the second fixing hole and the first fixing hole in sequence, and the end of the vertical part away from the horizontal part is in contact with the end face of the first fixing hole, that is, the adjusting compression spring is placed in the inside of the mandrel and has a pressure for pushing the square rod, then the locking block is placed at the end of the adjusting compression spring, the mandrel is sleeved outside the adjusting compression spring, the end of the locking block extends out of the second fixing hole, the mandrel and the base are fixedly arranged, then the handle inner sleeve is sleeved outside the mandrel, the first fixing hole and the second fixing hole are arranged in correspondence, when the vertical part of the locking block is in contact with the end face of the first fixing hole, the handle can be locked on the base, thereby limiting the protective plate, when disassembly is needed, only a thin needle is inserted into the force releasing hole to push the vertical part of the locking block to be out of contact with the handle inner sleeve, so that the unlocking function can be realized, the handle is separated from the base, and the protective plate loses the limitation, thereby the handle and the protective plate can be quickly replaced.

[0059] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same or similar parts of each embodiment can be referred to each other.

[0060] The window handle with the handle and the guard plate capable of being quickly replaced is described in detail above. The principle and the implementation mode of the present application are described by applying specific examples in this paper, and the above description of the examples is only used to help understand the method of the present application and the core idea. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application, and these improvements and modifications also fall within the protection scope of the present application.

Claims

1. A window handle with a quick-change handle and guard plate, characterized in that, include: A base (1) is provided with a hollow spindle (2) installed on the base (1), and a second fixing hole (201) is provided on the spindle (2). A protective plate (3) is fitted on the outside of the base (1). Handle (4), inside which a handle inner sleeve (5) is installed, a first fixing hole (501) is provided on the handle inner sleeve (5), and a force relief hole (401) is provided on the handle (4) and located at the corresponding position of the first fixing hole (501); A square bar (6) has its end passing through the base (1) and entering the interior of the mandrel (2); Adjusting spring (7), the adjusting spring (7) is located inside the mandrel (2) and between the square bar (6) and the mandrel (2); The locking block (8) includes a horizontal part (801) and a vertical part (802), which together form a 7-shaped structure. The horizontal part (801) is located between the adjusting spring (7) and the spindle (2). The vertical part (802) passes through the second fixing hole (201) and the first fixing hole (501) in sequence. The end of the vertical part (802) away from the horizontal part (801) contacts the lower end face of the first fixing hole (501).

2. A window handle with quick-change handle and guard plate according to claim 1, characterized in that, A first handle head assembly (9) is installed on the base (1), and the square rod (6) passes through the first handle head assembly (9) and is fixedly connected to the first handle head assembly (9).

3. A window handle with quick-change handle and guard plate according to claim 2, characterized in that, Also includes: Liner (10), the liner (10) is mounted on the base (1); The second handle assembly (11) is installed between the liner (10) and the base (1); The third handle assembly (12) is installed between the first handle assembly (9) and the base (1).

4. A window handle with quick-change handle and guard plate according to claim 1, characterized in that, A limiting post (601) is provided at the contact position between the square bar (6) and the adjusting spring (7), and the cross-sectional area of ​​the limiting post (601) is smaller than the cross-sectional area of ​​the square bar (6).

5. A window handle with quick-change handle and guard plate according to claim 4, characterized in that, The included angle between the horizontal part (801) and the vertical part (802) is greater than (90) degrees.

6. A window handle with quick-change handle and guard plate according to claim 5, characterized in that, The horizontal part (801) is provided with a positioning post (803), the positioning post (803) and the horizontal part (801) are in a cross shape, and one end of the positioning post (803) enters the interior of the adjusting spring (7).

7. A window handle with quick-change handle and guard plate according to claim 6, characterized in that, The spindle (2) has a through hole (202) at the contact position with the inner sleeve of the handle (5), and the end of the positioning post (803) away from the adjusting spring (7) passes through the through hole (202).

8. A window handle with quick-change handle and guard plate according to claim 7, characterized in that, The locking block (8) is made of elastic material.

9. A window handle with a quick-change handle and guard plate according to any one of claims 1-8, characterized in that, The diameter of the stress relief hole (401) is less than 0.5 cm.

10. A window handle with a quick-change handle and guard plate according to any one of claims 1-8, characterized in that, The spindle (2) and the inner sleeve of the handle (5) are radially limited by a spline.