CN219012228U - Back-locking knob structure and door lock with same - Google Patents

Abstract

The utility model provides a back locking knob structure and a door lock with the same, comprising: the door lock panel is provided with a mounting hole; the locking knob comprises an operation part and a rotating shaft which are connected with each other, the rotating shaft is matched with the shape of the mounting hole, the rotating shaft is arranged in the mounting hole in a penetrating mode, the operation part is positioned on the outer side of the door lock panel, at least part of the rotating shaft is positioned on the inner side of the door lock panel, and a clamping groove is formed in one end, close to the operation part, of the rotating shaft; the waveform clamp spring is clamped at the clamping groove and is of a waveform structure, the waveform clamp spring is provided with a first waveform surface and a second waveform surface which are oppositely arranged, the first waveform surface is in butt joint with the inner side of the door lock panel, and the second waveform surface is in butt joint with the groove surface of the clamping groove. By the technical scheme provided by the utility model, the technical problem of poor operation hand feeling of the back lock knob in the prior art can be solved.

Description

Back-locking knob structure and door lock with same

Technical Field

The utility model relates to the technical field of intelligent door locks, in particular to a back locking knob structure and a door lock with the same.

Background

At present, as the life quality of people is gradually improved, the intelligent door lock is more and more popular with consumers due to the rich functionality of the intelligent door lock. Compared with the traditional door lock, the intelligent door lock is safer and more convenient to use. The intelligent door lock is generally provided with a back locking knob so as to facilitate quick back locking.

However, the anti-lock knob structure in the prior art generally only depends on the clamp spring to fix the anti-lock knob, and the fixing mode is easy to loosen, so that the operation feel of the anti-lock knob is poor, the damping sense is lacking, and the user experience is poor when the anti-lock knob is used.

Disclosure of Invention

The utility model mainly aims to provide a back-locking knob structure and a door lock with the same, so as to solve the technical problem that the back-locking knob in the prior art is poor in operation hand feeling.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a back lock knob structure comprising:

the door lock panel is provided with a mounting hole;

the locking knob comprises an operation part and a rotating shaft which are connected with each other, the rotating shaft is matched with the shape of the mounting hole, the rotating shaft is arranged in the mounting hole in a penetrating mode, the operation part is positioned on the outer side of the door lock panel, at least part of the rotating shaft is positioned on the inner side of the door lock panel, and a clamping groove is formed in one end, close to the operation part, of the rotating shaft;

the waveform clamp spring is clamped at the clamping groove and is of a waveform structure, the waveform clamp spring is provided with a first waveform surface and a second waveform surface which are oppositely arranged, the first waveform surface is in butt joint with the inner side of the door lock panel, and the second waveform surface is in butt joint with the groove surface of the clamping groove.

Further, the back lock knob further includes:

the connecting part is arranged between the operating part and the rotating shaft, the operating part is connected with the rotating shaft through the connecting part, the connecting part protrudes out of the outer edge of the operating part, the connecting part protrudes out of the outer edge of the rotating shaft, and the connecting part is positioned on the outer side of the door lock panel.

Further, the clamping groove is provided with an abutting end abutting against the second wavy surface, and the distance between the abutting end and the connecting part is smaller than the hole depth of the mounting hole.

Further, the back lock knob further includes:

the abutting part is arranged between the connecting part and the rotating shaft, the outer edge of the connecting part protrudes out of the outer edge of the abutting part, and the outer edge of the abutting part protrudes out of the outer edge of the mounting hole.

Further, the back lock knob further includes:

the abutting part is sleeved on the rotating shaft, the abutting part is positioned between the connecting part and the clamping groove, the outer edge of the connecting part protrudes out of the outer edge of the abutting part, and the outer edge of the abutting part protrudes out of the outer edge of the mounting hole.

Further, the abutment is made of a flexible cushioning material.

Further, the distance between the abutting end of the clamping groove and the second wavy surface and the abutting part is smaller than the hole depth of the mounting hole.

Further, the waveform clamp spring is provided with a first clamping end and a second clamping end, and the first clamping end and the second clamping end are arranged at intervals to form a bayonet;

a first dismounting hole is formed in the first clamping end; and/or the number of the groups of groups,

the second clamping end is provided with a second dismounting hole.

Further, the back lock knob structure further comprises a back lock tail bar, the back lock tail bar is located on the inner side of the door lock panel and is connected with the lock body, and the back lock tail bar is connected with the rotating shaft, so that the rotating shaft drives the lock body to carry out back lock through the back lock tail bar.

According to another aspect of the present utility model, there is provided a door lock comprising the above-provided anti-lock knob structure.

By the technical scheme, the waveform clamp spring is clamped in the clamping groove of the back locking knob, and is clamped between the mounting hole and the clamping groove during mounting, locking force and damping sense can be provided through the waveform clamp spring, so that the using hand feeling of a user when the back locking knob structure of the door lock is used can be effectively improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is an exploded view showing a structure of a locking knob according to a first embodiment of the present utility model;

fig. 2 is a schematic structural view of a locking knob according to a first embodiment of the present utility model;

fig. 3 shows a schematic structural diagram of a waveform snap spring according to a first embodiment of the present utility model.

Wherein the above figures include the following reference numerals:

10. a door lock panel; 11. a mounting hole;

20. a back lock knob; 21. an operation unit; 22. a rotating shaft; 221. a clamping groove; 23. a connection part; 24. an abutting portion;

30. waveform clamp springs; 31. the first clamping end; 311. a first dismounting hole; 32. the second clamping end; 321. and a second dismounting hole.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 3, in a first embodiment of the present utility model, there is provided a locking knob structure, including: door lock panel 10, anti-lock knob 20 and wave clip 30. The door lock panel 10 is provided with a mounting hole 11, the back lock knob 20 comprises an operation part 21 and a rotating shaft 22 which are connected with each other, the rotating shaft 22 is matched with the mounting hole 11 in shape, the rotating shaft 22 is arranged in the mounting hole 11 in a penetrating mode, the operation part 21 is located on the outer side of the door lock panel 10, at least part of the rotating shaft 22 is located on the inner side of the door lock panel 10, and a clamping groove 221 is formed in one end, close to the operation part 21, of the rotating shaft 22. The wave-shaped clamp spring 30 is clamped at the clamping groove 221, the wave-shaped clamp spring 30 is of a wave-shaped structure, the wave-shaped clamp spring 30 is provided with a first wave-shaped surface and a second wave-shaped surface which are oppositely arranged, the first wave-shaped surface is in butt joint with the inner side of the door lock panel 10, and the second wave-shaped surface is in butt joint with the groove surface of the clamping groove 221.

By adopting such arrangement, through setting up the back-locking knob 20 and the waveform jump ring 30 to establish waveform jump ring 30 card in joint groove 221 department, when back-locking knob 20 rotatory during operation, waveform jump ring 30 can butt between the inboard of lock panel 10 and joint groove 221, can guarantee that back-locking knob 20 is fixed stable, simultaneously, because of the wave structure of waveform jump ring 30, also can have certain spring force for having in the axial when back-locking knob 20 is rotary motion, thereby provide certain damping sense, and then can promote the feel when the user uses.

In this embodiment, the counter lock knob 20 further includes a connection portion 23. The connecting portion 23 is disposed between the operating portion 21 and the rotating shaft 22, the operating portion 21 is connected with the rotating shaft 22 through the connecting portion 23, the connecting portion 23 protrudes from the outer edge of the operating portion 21, the connecting portion 23 protrudes from the outer edge of the rotating shaft 22, and the connecting portion 23 is located outside the door lock panel 10. The setting of connecting portion can be in order to strengthen structural strength through bigger diameter when playing the linking effect for the back lock knob 20 can have longer life, and the setting of connecting portion 23 also can make user operation more convenient.

Specifically, the engaging groove 221 has an abutting end abutting against the second wavy surface, and a distance between the abutting end and the connecting portion 23 is smaller than a hole depth of the mounting hole 11. By adopting the arrangement, the waveform clamp spring 30 can be ensured to be in elastic contact with the door lock panel 10 after being installed and provide spring force, so that locking force and damping sense are provided for the back lock knob 20, and further, the using hand feeling of a user can be improved.

In one embodiment, the anti-lock knob 20 further includes an abutment 24. The abutting portion 24 is provided between the connecting portion 23 and the rotating shaft 22, and the outer edge of the connecting portion 23 protrudes from the outer edge of the abutting portion 24, and the outer edge of the abutting portion 24 protrudes from the outer edge of the mounting hole 11. The abutting portion 24 can provide a buffer zone for the installation of the anti-lock knob 20 and the door lock panel 10, so that the large-area scraping of the appearance surface of the door lock panel 10 by the anti-lock knob 20 is avoided, and meanwhile, the friction force between the anti-lock knob 20 and the contact surface can be effectively reduced by reducing the contact area of the abutting portion 24.

In another embodiment, the abutting portion 24 is sleeved on the rotating shaft 22, the abutting portion 24 is located between the connecting portion 23 and the clamping groove 221, the outer edge of the connecting portion 23 protrudes from the outer edge of the abutting portion 24, and the outer edge of the abutting portion 24 protrudes from the outer edge of the mounting hole 11. Such an arrangement can reduce the contact area between the counter lock knob 20 and the door lock panel 10, so that the abrasion to the counter lock knob 20 and the door lock panel 10 can be reduced, and the friction force with the contact surface can be effectively reduced by reducing the contact area of the abutting portion 24. Meanwhile, the installation structure is simple and convenient to operate.

Specifically, the abutment 24 may be made of a flexible cushioning material, such abutment 24 being able to provide a certain cushioning of the counter lock knob 20, reduce wear, and also to enhance the feel of the user in use to a certain extent.

In the present embodiment, the distance between the abutting end of the engaging groove 221 and the abutting portion 24 is smaller than the hole depth of the mounting hole 11. This arrangement ensures that the wave clip spring 30 can make elastic contact with the door lock panel 10 and provide a spring force, thereby improving the assembly quality and the user's feel.

In this embodiment, the wave clip 30 has a first clamping end 31 and a second clamping end 32, and the first clamping end 31 and the second clamping end 32 are spaced apart to form a bayonet. Such an arrangement can facilitate the installation and removal of the wave clamp spring 30.

Wherein, a first dismounting hole 311 may be provided at the first clamping end 31. Alternatively, the second fastening end 32 may be provided with a second attachment/detachment hole 321. Or the first dismounting hole 311 and the second dismounting hole 321 can be simultaneously arranged, so that the tool inserting position can be reserved when the waveform clamp spring 30 is dismounted, and the waveform clamp spring 30 can be taken out more conveniently.

In this embodiment, the back-locking knob structure further includes a back-locking tail, which is located at the inner side of the door lock panel 10, and is used for being connected with the lock body, and the back-locking tail is connected with the rotating shaft 22, so that the rotating shaft 22 drives the lock body to back-lock through the back-locking tail.

In this embodiment, the back lock knob structure mainly includes: door lock panel 10, back lock knob 20, wave form jump ring 30.

Door lock panel 10: acting to carry other components. The door lock panel 10 is provided with a circular hole for mounting the back lock knob.

The back lock knob 20: the structure comprises: the operation portion 21, the connection portion 23, the abutment portion 24, the engagement groove 221, and the rotation shaft 22. The operation portion 21 is a portion to be held in use. The connection portion 23 is a portion connecting the operation portion 21 and other structural functions. The abutment portion 24 is for abutting against the outside of the door lock panel 10, so as to reduce the contact area between the anti-lock knob 20 and the outside of the door lock panel 10. The abutting portion 24 can reduce the scratch area of the appearance surface, and simultaneously reduce the friction force of the contact surface, and the diameter of the abutting portion is smaller than that of the connecting portion 23 and larger than that of the mounting hole on the door lock panel 10. The clamping groove 221 is arranged on the rotating shaft 22 and is used for installing the waveform clamp spring 30. The distance between the clamping groove 221 and the connecting part 23 is smaller than the thickness of the door lock panel 10, so as to ensure that the wavy snap spring 30 can elastically contact with the inner side of the door lock panel 10 after being installed. The distance between the clamping groove 221 and the abutting portion 24 is smaller than the thickness of the door lock panel 10, so that the waveform clamp spring 30 can elastically contact the inside of the door lock panel 10 after being installed, damping sense is generated, and the installation of the anti-lock knob 20 is ensured not to loosen. The rotating shaft 22 is arranged on the abutting part 24, and the tail part of the rotating shaft is connected with a back locking tail bar, so that the lock body can be driven by the back locking tail bar to realize the back locking function of the door lock. The end of the rotating shaft 22 near the connecting part 23 is provided with a clamping groove 221 for installing the waveform clamp spring 30.

Waveform snap spring 30: the main part is wavy extension spring, is provided with installation bayonet socket and dismouting hole on the wave form jump ring 30.

The installation method comprises the following steps:

(1) The rotary shaft 22 of the back locking knob 20 is installed and inserted from the outside of the door lock panel 10 through the installation hole;

(2) The wave clamp spring 30 is mounted in the clamping groove 221 on the rotating shaft 22 of the back lock knob 20 using clamp spring pliers. The wave-shaped clamp spring 30 can prevent the back-locking knob 20 from being separated, and can generate elasticity through the extrusion deformation of the wave-shaped surface and the side surface, so that the back-locking knob 20 and the door lock panel 10 can be elastically attached, damping sense can be generated when the back-locking knob 20 is twisted, and user experience is improved.

An embodiment II of the utility model provides a door lock, which comprises a back locking knob structure in the embodiment I.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects: through set up joint groove 221 at lock knob 20 to make wave form jump ring 30 joint in joint groove 221, when lock knob 20 and door lock panel 10 installation, wave form jump ring 30 can the joint between lock knob 20 and door lock panel 10, and provide elasticity and damping sense that are used for compressing tightly lock knob 20 and door lock panel 10, can effectively promote the user experience when using.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. An anti-lock knob structure, comprising:

a door lock panel (10), wherein a mounting hole (11) is arranged on the door lock panel (10);

the anti-lock knob (20), the anti-lock knob (20) comprises an operation part (21) and a rotating shaft (22) which are connected with each other, the rotating shaft (22) is matched with the shape of the mounting hole (11), the rotating shaft (22) is arranged in the mounting hole (11) in a penetrating mode, the operation part (21) is located on the outer side of the door lock panel (10), at least part of the rotating shaft (22) is located on the inner side of the door lock panel (10), and a clamping groove (221) is formed in one end, close to the operation part (21), of the rotating shaft (22);

the waveform clamp spring (30) is clamped at the clamping groove (221), the waveform clamp spring (30) is of a waveform structure, the waveform clamp spring (30) is provided with a first waveform surface and a second waveform surface which are oppositely arranged, the first waveform surface is abutted to the inner side of the door lock panel (10), and the second waveform surface is abutted to the groove surface of the clamping groove (221).

2. The anti-lock knob structure according to claim 1, wherein the anti-lock knob (20) further comprises:

connecting portion (23) set up between operating portion (21) and pivot (22), operating portion (21) pass through connecting portion (23) with pivot (22) are connected, connecting portion (23) protrusion in the outer fringe setting of operating portion (21), connecting portion (23) protrusion in the outer fringe setting of pivot (22), connecting portion (23) are located the outside of lock panel (10).

3. The anti-lock knob structure according to claim 2, wherein the engagement groove (221) has an abutment end abutting against the second wavy surface, and a distance between the abutment end and the connecting portion (23) is smaller than a hole depth of the mounting hole (11).

4. The anti-lock knob structure according to claim 2, wherein the anti-lock knob (20) further comprises:

and an abutting part (24) arranged between the connecting part (23) and the rotating shaft (22), wherein the outer edge of the connecting part (23) protrudes from the outer edge of the abutting part (24), and the outer edge of the abutting part (24) protrudes from the outer edge of the mounting hole (11).

5. The anti-lock knob structure according to claim 2, wherein the anti-lock knob (20) further comprises:

the abutting part (24) is sleeved on the rotating shaft (22), the abutting part (24) is located between the connecting part (23) and the clamping groove (221), the outer edge of the connecting part (23) protrudes out of the outer edge of the abutting part (24), and the outer edge of the abutting part (24) protrudes out of the outer edge of the mounting hole (11).

6. The anti-lock knob structure according to claim 5, wherein said abutment (24) is made of a flexible buffer material.

7. The locking knob structure according to claim 4 or 5, wherein a distance between an abutting end of the clamping groove (221) with the second wavy surface and the abutting portion (24) is smaller than a hole depth of the mounting hole (11).

8. The anti-lock knob structure according to claim 1, wherein the wave shaped snap spring (30) has a first clamping end (31) and a second clamping end (32), the first clamping end (31) and the second clamping end (32) being arranged at intervals to form a bayonet;

a first dismounting hole (311) is formed in the first clamping end (31); and/or the number of the groups of groups,

and a second dismounting hole (321) is formed in the second clamping end (32).

9. The anti-lock knob structure according to claim 1, further comprising an anti-lock tail located at the inner side of the door lock panel (10), the anti-lock tail being used for being connected with a lock body, the anti-lock tail being connected with the rotating shaft (22) so that the rotating shaft (22) drives the lock body to be locked through the anti-lock tail.

10. A door lock comprising the anti-lock knob structure according to any one of claims 1 to 9.

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