Hand-cranking handle and window opener
By setting an angle structure of 110°-130°, the problem of the existing hand-crank handle clamping hands and clamping hands in the bending position is solved, achieving a more convenient and comfortable manual window opener operation.
Patent Information
- Application Number
- CN202420849886.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The existing hand-crank handles are easy to clamp hands in the bent position, and they are easy to touch the hands when hand-crank, resulting in inconvenient operation.
A hand-crank handle is designed, by setting the first angle between the first rocker and the intermediate connecting rod and the second angle between the second rocker and the intermediate connecting rod are both 110°-130° to avoid clamping or touching hands.
It effectively avoids hand clamping or touching hands when manually opening the window opener, and improves the convenience and comfort of operation.
Smart Images
Figure CN222782532U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of window openers, in particular to a hand crank handle and a window opener. Background Art
[0002] A window opener refers to a machine used to open and close windows. The opening and closing of the window opener is usually achieved by turning a hand crank clockwise or counterclockwise. However, existing hand crank handles are usually right-angle structures, which are easy to pinch hands at the bent position and are also extremely easy to hit hands when cranking.
[0003] Therefore, how to avoid pinching or hitting the hands when manually opening the window opener is a technical problem that those skilled in the art need to solve urgently. Utility Model Content
[0004] In view of this, an object of the present invention is to provide a hand crank handle which can avoid pinching or hitting the hand when manually opening the window opener.
[0005] Another object of the utility model is to provide a window opener.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] A hand crank handle is arranged on a window opener, comprising a first rocker, a second rocker and an intermediate connecting rod, wherein the intermediate connecting rod is arranged between the first rocker and the second rocker, the first rocker is used to be connected to the window opener, and the second rocker is used to be hand-held;
[0008] A first angle is defined between the first rocker arm and the intermediate connecting rod, a second angle is defined between the second rocker arm and the intermediate connecting rod, and the first angle and the second angle are both preset at 110°-130°.
[0009] Optionally, the preset angles of the first angle and the second angle are both 120°.
[0010] Optionally, the first rocker arm and the second rocker arm are fixedly connected to the intermediate connecting rod respectively.
[0011] Optionally, the first rocker arm and the second rocker arm are respectively detachably connected to the middle connecting rod.
[0012] Optionally, the intermediate connecting rod includes a connecting rod body, and a first connecting part and a second connecting part arranged at both ends of the connecting rod body, the first rocker arm is provided with a third connecting part connected to the first connecting part, and the second rocker arm is provided with a fourth connecting part connected to the second connecting part.
[0013] Optionally, the first connection portion is provided with a first connection hole, the third connection portion is provided with a third connection hole corresponding to the first connection hole, and the first connection hole and the third connection hole are connected via a first connection member;
[0014] The second connection portion is provided with a second connection hole, the fourth connection portion is provided with a fourth connection hole corresponding to the second connection hole, and the second connection hole and the fourth connection hole are connected via a second connection member.
[0015] Optionally, both the first connecting member and the second connecting member are pins.
[0016] Optionally, both the first connecting member and the second connecting member are rotating shafts;
[0017] The third connecting portion is provided with a first prismatic structure, and the first connecting portion is provided with a first limiting step for limiting the first prismatic structure;
[0018] The fourth connecting portion is provided with a second prismatic structure, and the second connecting portion is provided with a second limiting step for limiting the second prismatic structure.
[0019] Optionally, the first rocker arm and the second rocker arm are respectively covered with rubber sleeves.
[0020] A window opener, comprising the hand crank handle described in any one of the above items;
[0021] The window opener also includes a window opener base and a window sash connecting rod assembly, the hand crank handle is connected to the window sash connecting rod assembly, and the hand crank handle can be connected to the window sash through the window sash connecting rod assembly to control the opening and closing of the window sash.
[0022] It can be seen from the above technical scheme that, compared with the right-angled hand crank handle disclosed in the prior art, the hand crank handle disclosed in the embodiment of the utility model sets the angle between the first rocker arm and the middle connecting rod and the angle between the second rocker arm and the middle connecting rod to between 110°-130°, which can effectively avoid pinching or touching hands when manually opening the window opener. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below. Obviously, the drawings described below are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.
[0024] Figure 1This is a schematic diagram of the structure of the hand crank handle disclosed in the embodiment of the utility model;
[0025] Figure 2 It is a structural schematic diagram of the intermediate connecting rod disclosed in the embodiment of the utility model;
[0026] Figure 3 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;
[0027] Figure 4 for Figure 1 Schematic diagram of the enlarged structure at point B in the middle.
[0028] The names of the components are as follows:
[0029] 100, first rocker arm; 101, third connecting part; 200, second rocker arm; 201, fourth connecting part; 300, intermediate connecting rod; 301, connecting rod body; 302, first connecting part; 3021, first connecting hole; 3022, first limiting step; 303, second connecting part; 3031, second connecting hole; 3032, second limiting step. DETAILED DESCRIPTION
[0030] The core of the utility model is to provide a hand crank handle, which can avoid the situation of pinching or hitting the hand when manually opening the window opener.
[0031] Another object of the utility model is to provide a window opener.
[0032] The following will combine the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Please refer to Figures 1 to 4 .
[0033] Please refer to Figure 1 The hand crank handle disclosed in the embodiment of the utility model is arranged on the window opener, and includes a first rocker arm 100, a second rocker arm 200 and an intermediate connecting rod 300. The intermediate connecting rod 300 is arranged between the first rocker arm 100 and the second rocker arm 200. The first rocker arm 100 is used to be connected to the window opener, and the second rocker arm 200 is used for hand-holding.
[0034] There is a first angle between the first rocker arm 100 and the middle connecting rod 300, there is a second angle between the second rocker arm 200 and the middle connecting rod 300, and the preset angles of the first angle and the second angle are both 110°-130°.
[0035] Compared with the right-angled hand crank handle disclosed in the prior art, the hand crank handle disclosed in the embodiment of the utility model sets the angle between the first rocker arm 100 and the middle connecting rod 300 and the angle between the second rocker arm 200 and the middle connecting rod 300 to between 110°-130°, which can effectively avoid pinching or hitting the hand when manually opening the window opener.
[0036] As a further preferred embodiment, the preset angles of the first angle and the second angle disclosed in the embodiment of the utility model are both 120°.
[0037] The embodiment of the utility model does not limit the specific connection method between the intermediate connecting rod 300, the first rocker arm 100 and the second rocker arm 200. As long as the connection method meets the use requirements of the utility model, it is within the protection scope of the utility model.
[0038] As one embodiment, the first rocker 100 and the second rocker 200 disclosed in the embodiment of the utility model are respectively fixedly connected to the middle connecting rod 300. In this way, the middle connecting rod 300, the first rocker 100 and the second rocker 200 can be integrally formed during processing, thereby improving the strength and rigidity of the entire hand crank handle.
[0039] As another embodiment, the first rocker 100 and the second rocker 200 disclosed in the embodiment of the utility model are detachably connected to the intermediate connecting rod 300. In this way, when one of the parts of the hand crank is damaged, only the damaged part can be replaced without replacing the entire hand crank.
[0040] For details, please refer to Figure 2 When the hand crank handle is a detachable connection structure, the intermediate connecting rod 300 can be set to include a connecting rod body 301, and a first connecting part 302 and a second connecting part 303 arranged at both ends of the connecting rod body 301, wherein a third connecting part 101 connected to the first connecting part 302 is arranged on the first rocker arm 100, and a fourth connecting part 201 connected to the second connecting part 303 is arranged on the second rocker arm 200.
[0041] The first connection portion 302 is provided with a first connection hole 3021 , the third connection portion 101 is provided with a third connection hole corresponding to the first connection hole 3021 , and the first connection hole 3021 and the third connection hole are connected via a first connection member.
[0042] The second connection portion 303 is provided with a second connection hole, the fourth connection portion 201 is provided with a fourth connection hole corresponding to the second connection hole, and the second connection hole and the fourth connection hole are connected via a second connection member.
[0043] When assembling the hand crank handle, one end of the intermediate connecting rod 300 can be connected to the first rocker 100 by inserting the first connecting member into the first connecting hole 3021 and the third connecting hole, and the other end of the intermediate connecting rod 300 can be connected to the second rocker 200 by inserting the second connecting member into the second connecting hole and the fourth connecting hole.
[0044] The embodiment of the utility model does not limit the specific structure of the first connecting rod and the second connecting rod. As long as the structure meets the use requirements of the utility model, it is within the protection scope of the utility model.
[0045] Preferably, the first connecting member and the second connecting member disclosed in the embodiment of the utility model can both be pins, and the intermediate connecting rod 300, the first rocker arm 100 and the second rocker arm 200 can be connected as a whole through the pins.
[0046] Of course, the first connecting member and the second connecting member may both be rotation axes, that is, rotation is achieved between the intermediate connecting rod 300 and the first rocking arm 100 , and between the intermediate connecting rod 300 and the second rocking arm 200 .
[0047] Please refer to Figure 3-Figure 4 When the first connecting member and the second connecting member can also be both rotating shafts, a first prismatic structure is provided on the third connecting portion 101, and a first limiting step 3022 for limiting the first prismatic structure is provided on the first connecting portion 302.
[0048] The fourth connection portion 201 is provided with a second prism-shaped structure, and the second connection portion 303 is provided with a second limiting step 3032 for limiting the second prism-shaped structure.
[0049] With such a configuration, the first angle formed between the intermediate connecting rod 300 and the first rocking arm 100 and the second angle formed between the intermediate connecting rod 300 and the second rocking arm 200 can be fine-tuned, thereby further avoiding pinching or touching of the hand when manually opening the window opener.
[0050] In order to enhance the operator's good experience when operating the hand crank handle, the first rocker 100 and the second rocker 200 disclosed in the embodiment of the utility model are respectively covered with rubber sleeves.
[0051] The embodiment of the utility model further discloses a window opener, comprising a hand crank handle as disclosed in any one of the above embodiments.
[0052] In addition, the window opener also includes a window opener base and a window sash connecting rod assembly, wherein a hand crank handle is connected to the window sash connecting rod assembly, and the hand crank handle can be connected to the window sash through the window sash connecting rod assembly to control the opening and closing of the window sash.
[0053] Since the window opener adopts the hand crank disclosed in any one of the above embodiments, the window opener has the technical advantages of the above hand crank handles, and the embodiments of the utility model will not be described in detail.
[0054] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprises" or any other variation thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0055] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.
[0056] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A hand crank handle, arranged on a window opener, characterized in that: It includes a first rocker arm, a second rocker arm and an intermediate connecting rod, wherein the intermediate connecting rod is arranged between the first rocker arm and the second rocker arm, the first rocker arm is used to be connected to a window opener, and the second rocker arm is used to be held by hand; a first angle is formed between the first rocker arm and the intermediate connecting rod, and a second angle is formed between the second rocker arm and the intermediate connecting rod, and the preset angles of the first angle and the second angle are both 110°-130°.
2. The crank handle according to claim 1, characterized in that: The preset angles of the first angle and the second angle are both 120°.
3. The crank handle according to claim 1, characterized in that: The first rocker arm and the second rocker arm are fixedly connected to the middle connecting rod respectively.
4. The crank handle according to claim 1, characterized in that: The first rocker arm and the second rocker arm are respectively detachably connected to the middle connecting rod.
5. The crank handle according to claim 4, characterized in that: The intermediate connecting rod includes a connecting rod body, and a first connecting part and a second connecting part arranged at both ends of the connecting rod body, the first rocker is provided with a third connecting part connected to the first connecting part, and the second rocker is provided with a fourth connecting part connected to the second connecting part.
6. The crank handle according to claim 5, characterized in that: The first connecting part is provided with a first connecting hole, the third connecting part is provided with a third connecting hole corresponding to the first connecting hole, and the first connecting hole and the third connecting hole are connected by a first connecting member; the second connecting part is provided with a second connecting hole, the fourth connecting part is provided with a fourth connecting hole corresponding to the second connecting hole, and the second connecting hole and the fourth connecting hole are connected by a second connecting member.
7. The crank handle according to claim 6, characterized in that: The first connecting member and the second connecting member are both pins.
8. The crank handle according to claim 6, characterized in that: The first connecting member and the second connecting member are both rotating shafts; the third connecting portion is provided with a first prismatic structure, and the first connecting portion is provided with a first limiting step for limiting the first prismatic structure; the fourth connecting portion is provided with a second prismatic structure, and the second connecting portion is provided with a second limiting step for limiting the second prismatic structure.
9. The crank handle according to claim 1, characterized in that: The first rocker and the second rocker are respectively covered with rubber sleeves.
10. A window opener, characterized in that: It comprises the hand crank handle as described in any one of claims 1 to 9; the window opener also comprises a window opener base and a window sash connecting rod assembly, the hand crank handle is connected to the window sash connecting rod assembly, and the hand crank handle can be connected to the window sash through the window sash connecting rod assembly to control the opening and closing of the window sash.