CN211201419U

CN211201419U - Knob assembly and door lock

Info

Publication number: CN211201419U
Application number: CN201921222316.XU
Authority: CN
Inventors: 沈汉标; 王妙玉; 童威云; 黄安川; 刘中启
Original assignee: Guangdong Ketyoo Intelligent Technology Co Ltd
Current assignee: Guangdong Hotata Smart Home Co Ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-08-07
Anticipated expiration: 2029-07-30

Abstract

The utility model discloses a knob assembly and a door lock, wherein the knob assembly comprises a knob main body and a knob outer cover; the knob main body is made of metal materials without surface treatment, and the top of the knob main body is provided with strip-shaped convex ribs and a plurality of clamping grooves; the knob outer cover is made of plastic materials and comprises a fixing part and a holding part, the fixing part is provided with a buckle suitable for being matched with the clamping groove, the holding part is of a hollow structure, and the holding part is suitable for being matched with the convex rib; the clamping is fixed between the clamping groove and the buckle, and the holding part is fixedly sleeved outside the convex rib. Because the knob main body made of metal materials does not need to be directly contacted with hands, a plurality of surface treatment procedures such as polishing, spraying, electroplating and the like are not needed, and the manufacturing cost of the knob assembly is greatly reduced; the knob outer cover made of plastic has soft and good touch, the heat conductivity is low, the holding feeling of a user can be greatly improved, the knob outer cover is convenient to replace when damaged, and the knob outer cover is high in economical efficiency.

Description

Knob assembly and door lock

Technical Field

The utility model relates to a tool to lock field, concretely relates to knob subassembly and lock.

Background

The conventional knob is a metal knob formed integrally in order to provide sufficient strength and stability. Meanwhile, since the surface of the knob frequently contacts with the hand of a person, in order to protect the hand from being scratched and to provide a good tactile sensation, the knob made of metal needs to be subjected to various surface treatment processes such as polishing, spraying, electroplating, and the like, and the product has a high fraction defective, thereby causing a large manufacturing cost.

Therefore, it is an urgent technical problem to provide a knob assembly having sufficient strength and providing a good tactile sensation without requiring a large amount of surface treatment.

Disclosure of Invention

In order to overcome the disadvantages of the prior art, an object of the present invention is to provide a knob assembly, which can provide sufficient strength through a knob main body made of metal, and provide a good touch feeling through a knob outer cover made of plastic. A second object of the utility model is to provide a take lock of above-mentioned knob subassembly, it can provide sufficient intensity through the knob main part that the metal was made, and the knob enclosing cover of making through the plastic simultaneously provides good sense of touch.

The utility model discloses a following technical scheme realizes:

a knob assembly comprising: a knob body and a knob outer cover; the knob main body is made of metal materials without surface treatment, and the top of the knob main body is provided with strip-shaped convex ribs and a plurality of clamping grooves; the knob outer cover is made of plastic materials and comprises a fixing part and a holding part, the fixing part is provided with a buckle suitable for being matched with the clamping groove, the holding part is of a hollow structure, and the holding part is suitable for being matched with the convex rib; the clamping groove is fixedly clamped with the buckle, and the holding part is fixedly sleeved outside the convex rib, so that the knob main body is fixedly connected with the knob outer cover.

Furthermore, the number of the clamping grooves is 4, and the clamping grooves are uniformly distributed on the outer edge of the top of the knob main body.

Further, the top of knob main part still is provided with a plurality of circular recess, the knob enclosing cover be provided with on the fixed part be suitable for with circular recess complex cylinder boss, the cylinder boss set up in the circular recess.

Further, the number of the circular grooves and the number of the cylindrical bosses are 2.

Further, an arc-shaped separation blade is further arranged between the clamping grooves and is surrounded and covered outside the knob main body.

A door lock includes a knob assembly.

Compared with the prior art, the utility model discloses the beneficial effect that can reach does: the knob main body and the knob outer cover are fixedly connected through the clamping groove, the buckle, the convex rib and the holding part in a matched mode, so that a user can synchronously drive the knob to rotate when the knob outer cover is rotated, and reverse locking is achieved. Because the knob main body made of metal materials does not need to be directly contacted with hands, a plurality of surface treatment procedures such as polishing, spraying, electroplating and the like are not needed, and the manufacturing cost of the knob assembly is greatly reduced; the knob outer cover made of plastic is directly contacted with a human hand, a surface treatment process is not needed, the knob outer cover has soft and good touch feeling, the heat conductivity is low, the holding feeling of a user can be greatly improved, in addition, the knob main body can be protected and attractive, the knob outer cover is very convenient to replace when being damaged, and the knob outer cover is high in economical efficiency.

Drawings

FIG. 1 is an assembled schematic view of a knob assembly;

FIG. 2 is an exploded view of the knob assembly;

FIG. 3 is a schematic view of a knob body;

fig. 4 is a schematic view of the knob cover.

In the figure: 10. a knob body; 11. a rib is protruded; 12. a card slot; 13. a circular groove; 20. a knob outer cover; 21. a fixed part; 211. buckling; 212. a cylindrical boss; 22. a grip portion; 23. an arc-shaped baffle plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The utility model discloses a be applied to knob subassembly of lock. Referring to fig. 1 to 4, the knob assembly includes a knob body 10 and a knob cover 20; the knob main body 10 is made of metal materials without surface treatment, a strip-shaped convex rib 11 and a plurality of clamping grooves 12 are arranged at the top of the knob main body 10, the convex rib 11 is of a convex structure and is positioned at the center of the top of the knob main body 10, and the clamping grooves 12 are of a concave structure and are positioned on the outer edge of the top of the knob main body 10; the knob outer cover 20 is made of plastic materials, surface treatment is not needed, the knob outer cover 20 comprises a fixing portion 21 and a holding portion 22, the fixing portion 21 is provided with a buckle 211 suitable for being matched with the clamping groove 12, the holding portion 22 is of a hollow structure, and the inner cavity of the holding portion is suitable for being tightly matched with the convex rib 11; the locking and fixing between the locking groove 12 and the locking buckle 211, the holding part 22 is fixedly sleeved outside the convex rib 11, and the knob body 10 and the knob outer cover 20 are fixedly connected through the combined action of the above matching relations.

The knob can be synchronously driven to rotate by the user rotating the knob through the holding part 22 of the knob outer cover 20.

As a preferred embodiment, referring to fig. 3, the number of the catching grooves 12 is 4 and is uniformly arranged on the top outer edge of the knob body 10 to ensure the stability of the coupling. Correspondingly, the number of the fasteners 211 is 4, and the positions of the fasteners correspond to the positions of the card slots 12.

As a preferred embodiment, referring to fig. 3-4, the top of the knob body 10 is further provided with a plurality of circular grooves 13, the fixing portion 21 of the knob outer cover 20 is provided with a cylindrical boss 212 adapted to fit the circular grooves 13, and the cylindrical boss 212 is disposed in the circular groove 13. By this embodiment, the connection between the knob body 10 and the knob cover 20 is further strengthened, so that the knob cover 20 and the knob body 10 are not easy to slip or loosen when a user twists.

In a preferred embodiment, the number of the circular grooves 13 and the number of the cylindrical bosses 212 are 2. By this embodiment, the connection stability between the knob outer cover 20 and the knob body 10 is ensured.

As a preferred embodiment, referring to fig. 4, arc-shaped blocking pieces 23 are further disposed between every two of the slots 12, the arc-shaped blocking pieces 23 are covered outside the knob body 10, and can protect the top outer edge of the knob body 10, and meanwhile, since the knob body 10 is not surface-treated and has a rough surface, the structures of the fixing portion 21 and the arc-shaped blocking pieces 23 can better prevent the hands of the user from directly contacting the knob body 10, thereby causing scratches.

The user can also adopt the knob enclosing cover 20 of different colours according to self hobby, in addition, also can further set up patterns such as decorative pattern, characters on knob enclosing cover 20 to make the whole pleasing to the eye effect of knob subassembly better, and can be applicable to different house styles.

The utility model also discloses a lock, including foretell lock subassembly.

Through the detailed explanation of the above embodiment, it can be understood that the knob main body 10 made of metal material of the present invention does not need to be directly contacted with human hands, so that a plurality of surface treatment processes such as polishing, spraying, electroplating, etc. are not needed, and the manufacturing cost of the knob assembly is greatly reduced; the knob outer cover 20 made of plastic is directly contacted with a human hand, a surface treatment process is not needed, the knob outer cover has soft and good touch feeling and low thermal conductivity, the holding feeling of a user can be greatly improved, in addition, the knob main body 10 can also be protected and attractive, the knob main body 10 is very convenient to replace when being damaged, and the economical efficiency is high.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A knob assembly, comprising: a knob body and a knob outer cover; the knob main body is made of metal materials without surface treatment, and the top of the knob main body is provided with strip-shaped convex ribs and a plurality of clamping grooves; the knob outer cover is made of plastic materials and comprises a fixing part and a holding part, the fixing part is provided with a buckle suitable for being matched with the clamping groove, the holding part is of a hollow structure, and the holding part is suitable for being matched with the convex rib; the clamping groove is fixedly clamped with the buckle, and the holding part is fixedly sleeved outside the convex rib, so that the knob main body is fixedly connected with the knob outer cover.

2. The knob assembly according to claim 1, wherein the number of the catching grooves is 4 and is uniformly arranged on the top outer edge of the knob body.

3. The knob assembly according to claim 1, wherein the knob body further has a plurality of circular recesses formed at a top portion thereof, and the fixing portion of the knob outer cover has a cylindrical protrusion adapted to fit into the circular recesses, the cylindrical protrusion being disposed in the circular recesses.

4. The knob assembly according to claim 3, wherein the number of the circular recesses and the cylindrical bosses is 2.

5. The knob assembly according to claim 1, wherein an arc-shaped blocking piece is further disposed between the clamping grooves, and the arc-shaped blocking piece is enclosed outside the knob body.

6. A door lock, characterized in that it comprises a knob assembly according to any one of claims 1-5.