CN109184327B

CN109184327B - Knob for lock

Info

Publication number: CN109184327B
Application number: CN201811325665.4A
Authority: CN
Inventors: 柳良名
Original assignee: Zhejiang Yihao Bamboo And Wood Products Co ltd
Current assignee: Zhejiang Yihao Bamboo And Wood Products Co ltd
Priority date: 2018-11-08
Filing date: 2018-11-08
Publication date: 2020-08-11
Anticipated expiration: 2038-11-08
Also published as: CN109184327A

Abstract

The invention discloses a knob for a lock, which comprises a knob main body and a shell, wherein cushion layers are fixed on the upper surface and the lower surface of the knob main body respectively, a bolt is arranged on the left side wall of the knob main body, a clamp spring is arranged on the outer side of the bolt, a torsion spring is arranged on the left side of the bolt, a fixed seat is arranged on the outer side of the torsion spring, a protective ring is arranged on the right side end face of the shell, the shell is positioned on the outer side of the fixed seat, illuminating lamp beads are arranged on the periphery of the surface of the protective ring, a rear seat plate is arranged on the left side of the shell, and an elastic contraction ring. This knob for lock passes through professional mould, once injection moulding with appearance and the inner structure of knob for the lock, need not secondary operation, and direct electroplating can use, replaces zinc alloy handle outer disc through using plastics, has not only avoided the defect that zinc alloy die-casting produced, moreover full play plastics's advantage, firm promptly, anticorrosive, waterproof and processing are simple.

Description

Knob for lock

Technical Field

The invention relates to the technical field of lock knobs, in particular to a lock knob.

Background

In modern times, the style of lock is various for people also more and more high to the requirement of lock, and the security and the reliability of lock are the most important, and certainly, aesthetic property is also indispensable, and mechanical lock can be said the evergreen tree in the middle of the lock, and not only easy operation is practical, and knob device is exactly a more substantial mechanical lock, and the knob is the important subassembly of knob device again, is influencing the sensitivity, the accuracy and the pleasing to the eye degree of knob device.

And conventional knob is formed by zinc die-casting, and the foundry goods surface can the die-casting seal, has crackle or local deformation, has the gas pocket, shrinkage cavity, and the scarce material can appear in the foundry goods structure, and the fillet is unclear, and is stable inadequately, and knob blank takes shape the back, still need through machining, the polishing, greatly increased cost and manufacturing cycle, these problems accumulate in the month and month, can influence the sensitivity of knob device finally, accuracy and pleasing to the eye degree, for this reason, we propose a knob for the lock.

Disclosure of Invention

The invention aims to provide a knob for a lock, which aims to solve the problems that the conventional knob proposed in the background art is formed by zinc die casting, the surface of a casting is subjected to die casting printing, cracks or local deformation, pores and shrinkage cavities exist, the casting structure has material shortage, a round angle is not clear and not stable enough, after a knob blank is formed, machining and polishing are carried out, the cost and the manufacturing period are greatly increased, and the problems are accumulated in the future and finally influence the sensitivity, the accuracy and the attractiveness of a knob device.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a knob for lock, includes knob main part and casing, the upper and lower both sides surface of knob main part all is fixed with the bed course, and the left side wall of knob main part is provided with the bolt, the jump ring is installed in the outside of bolt, and the left side of bolt is provided with torsion spring, the fixing base is installed in torsion spring's the outside, the right side terminal surface of casing is provided with the guard ring, and the casing is located the outside of fixing base, install lighting lamp pearl around the surface of guard ring, the left side of casing is provided with back bedplate, and installs the elastic shrinkage circle between back bedplate and the casing, the left side of back bedplate is fixed with the control lever, and the pressure spring is installed in the outside of control lever.

Preferably, the cushion layers are symmetrical with respect to a horizontal center line of the knob body, and the upper surface and the lower surface of the knob body are both inwards recessed in an arc shape.

Preferably, the clamp spring and the torsion spring are parallel to each other, and the symmetrical center line of the clamp spring, the symmetrical center line of the torsion spring and the horizontal center line of the knob body are overlapped with each other.

Preferably, the illuminating lamp beads are uniformly arranged on the outer surface of the protective ring in an annular mode, and the inner side surface of the protective ring is tightly attached to the end surface of the right side of the shell.

Preferably, the rear seat plate and the shell form an elastic telescopic structure through an elastic contraction ring, and the shell is fixedly connected with the fixed seat.

Preferably, the pressure spring is the even setting in the outside of control lever of heliciform, and laminates each other between the medial surface of the outer wall of control lever and pressure spring.

Compared with the prior art, the invention has the beneficial effects that: the lock knob passes through a professional die, the appearance and the internal structure of the lock knob are formed by one-time injection molding without secondary processing and are directly electroplated for use, the plastic is used for replacing a zinc alloy die-casting handle outer disc, the defect caused by zinc alloy die-casting is avoided, the advantages of the plastic are fully played, namely firmness, corrosion resistance, water resistance and simple processing are realized, the structure of the knob main body is arranged, the holding and force exerting of people are facilitated, a cushion layer is used for protecting the outer side surface of the knob main body, the knob main body has the protection effect of abrasion resistance, a clamp spring and a torsion spring are arranged inside the knob and are combined into an elastic convolution structure, the whole knob structure is guaranteed to be firm and stable, the rotation is flexible, the knob can be quickly reset, the position of the knob is quickly determined in the dark, and the protection ring plays the role of installing and arranging the illuminating lamp beads on one hand, on the one hand then the terminal surface to the casing is protected, be connected through the elastic shrinkage circle between back bedplate and the casing, under the effect of elastic shrinkage circle, when receiving extrusion effort between back bedplate and the casing, can corresponding shrink, the effect of buffering transition is played to the removal between the two to the elastic shrinkage circle, the casing constitutes the lid structure of whole knob with the fixing base, can once injection moulding, greatly made things convenient for production, the setting of pressure spring, an elasticity compression structure has when being connected for parts such as assurance control lever AND gate body or lock, make things convenient for the installation of knob, also can correspondingly protect the knob with the help of elasticity simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the knob body according to the present invention;

FIG. 3 is a side view of the knob body according to the present invention;

FIG. 4 is a schematic diagram of a rear side view of the knob body according to the present invention.

In the figure: 1. a knob body; 2. a cushion layer; 3. a bolt; 4. a clamp spring; 5. a torsion spring; 6. a fixed seat; 7. a housing; 8. a guard ring; 9. a lighting lamp bead; 10. a rear seat plate; 11. an elastic contraction ring; 12. a control lever; 13. and (5) pressing a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a knob for a lock comprises a knob body 1 and a shell 7, wherein the upper side surface and the lower side surface of the knob body 1 are both fixed with a cushion layer 2, the left side wall of the knob body 1 is provided with a bolt 3, the cushion layers 2 are symmetrical with each other about the horizontal central line of the knob body 1, the upper side surface and the lower side surface of the knob body 1 are both inwards concave in a circular arc shape, the structure of the knob body 1 is arranged to facilitate the holding and the force generation of people, the cushion layer 2 is used for protecting the outer side surface of the knob body 1 and has the function of protecting the knob body 1 from abrasion, a clamp spring 4 is arranged on the outer side of the bolt 3, a torsion spring 5 is arranged on the left side of the bolt 3, the clamp spring 4 is parallel to the torsion spring 5, the symmetrical central line of the clamp spring 4, the symmetrical central line of the torsion spring 5 and the horizontal central line of the knob body, the structure is combined into an elastic convolution structure, the whole knob structure is guaranteed to be firm and stable, the knob is flexible to rotate and can be quickly reset, a fixing seat 6 is installed on the outer side of a torsion spring 5, a protection ring 8 is arranged on the right side end face of a shell 7, the shell 7 is located on the outer side of the fixing seat 6, illuminating lamp beads 9 are installed on the periphery of the surface of the protection ring 8, the illuminating lamp beads 9 are uniformly arranged on the outer surface of the protection ring 8 in an annular mode, the inner side face of the protection ring 8 is tightly attached to the right side end face of the shell 7, the arrangement of the illuminating lamp beads 9 is convenient for quickly determining the position of the knob in dark, the protection ring 8 plays a role in installing and arranging the illuminating lamp beads 9 on one hand, on the other hand, the end face of the shell 7 is protected, a rear seat plate 10 is arranged on the left side of the shell 7, an elastic contraction ring 11, the shell 7 is fixedly connected with the fixed seat 6, the rear seat board 10 is connected with the shell 7 through the elastic contraction ring 11, under the action of the elastic contraction ring 11, the rear seat board 10 and the shell 7 can correspondingly contract when being extruded, the elastic contraction ring 11 plays a role in buffering transition for movement between the rear seat board 10 and the shell 7, the shell 7 and the fixed seat 6 form a cover body structure of the whole knob, the cover body structure can be formed by injection molding at one time, the production is greatly facilitated, the left side of the rear seat board 10 is fixedly provided with the control rod 12, the outer side of the control rod 12 is provided with the pressure spring 13, the pressure spring 13 is spirally and uniformly arranged on the outer side of the control rod 12, the outer wall of the control rod 12 is mutually attached to the inner side face of the pressure spring 13, the pressure spring 13 is arranged to ensure that the control rod 12 has an elastic compression structure when being connected with components such as a door body, meanwhile, the knob can be correspondingly protected by means of elasticity.

The working principle is as follows: the knob for the lock is firstly installed in a matched mode, so that the structure of the knob is complete, the appearance and the internal structure of the knob for the lock are formed in a one-time injection molding mode through a professional die, secondary processing is not needed, direct electroplating is not needed, the knob for the lock can be used, the defect caused by zinc alloy die-casting is avoided, the advantages of plastics are fully exerted, a snap spring 4 is installed on a bolt 3, a torsion spring 5 is embedded into the edge of a fixing seat 6 in a clamping mode, illuminating lamp beads 9 are installed neatly, the illuminating lamp beads 9 can normally emit light after being electrified, a cushion layer 2 is pasted on the upper side and the lower side of a knob main body 1, the cushion layer 2 can be made of felt materials or plastic soft rubber materials, the assembled knob is installed on a proper position, and a control rod 12 is deeply inserted into the process, the pressure spring 13 elastically contracts under the action of resistance, the knob body 1 is held by a hand to rotate the knob body 1 angularly, the clamp spring 4 and the torsion spring 5 act under the action of force, the control rod 12 rotates, the locking structure connected with the end part of the control rod 12 is opened, namely, the unlocking action is completed, the knob body 1 is loosened, the knob body 1 is quickly restored to the original state under the action of the clamp spring 4, the torsion spring 5 and the pressure spring 13, the locking and locking are closed, when the knob body 1 is subjected to larger pressure, the elastic contraction ring 11 is correspondingly contracted, so that the distance between the shell 7 and the control rod 12 is reduced, so as to relieve the pressure applied on the knob body 1, after the pressure on the knob body 1 is released, the elastic shrinkage ring 11 is restored to the original state, the arrangement effectively avoids the collision of the knob, and the whole using process of the knob for the lock is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A knob for a lock, comprising a knob body (1) and a housing (7), characterized in that: the upper side surface and the lower side surface of the knob main body (1) are respectively fixed with a cushion layer (2), the left side wall of the knob main body (1) is provided with a bolt (3), the outer side of the bolt (3) is provided with a clamp spring (4), a torsion spring (5) is arranged on the left side of the bolt (3), a fixed seat (6) is arranged on the outer side of the torsion spring (5), a protective ring (8) is arranged on the end face of the right side of the shell (7), the shell (7) is positioned at the outer side of the fixed seat (6), the surface of the protective ring (8) is provided with illuminating lamp beads (9) around, the left side of the shell (7) is provided with a rear seat board (10), an elastic contraction ring (11) is arranged between the rear seat plate (10) and the shell (7), a control rod (12) is fixed on the left side of the rear seat plate (10), and a pressure spring (13) is installed on the outer side of the control rod (12); the appearance and the internal structure of the knob for the lock are formed by one-time injection molding;

the cushion layers (2) are symmetrical about a horizontal central line of the knob main body (1), and the upper surface and the lower surface of the knob main body (1) are both inwards sunken in an arc shape;

the clamp spring (4) and the torsion spring (5) are parallel to each other, and the symmetrical center line of the clamp spring (4), the symmetrical center line of the torsion spring (5) and the horizontal center line of the knob body (1) are overlapped with each other.

2. A knob for a lock, as defined in claim 1, wherein: illumination lamp pearl (9) are cyclic annular and evenly set up the surface at guard ring (8), and closely laminate between the medial surface of guard ring (8) and the right side terminal surface of casing (7).

3. A knob for a lock, as defined in claim 1, wherein: the rear seat board (10) and the shell (7) form an elastic telescopic structure through an elastic contraction ring (11), and the shell (7) is fixedly connected with the fixed seat (6).

4. A knob for a lock, as defined in claim 1, wherein: the pressure spring (13) is uniformly arranged on the outer side of the control rod (12) in a spiral shape, and the outer wall of the control rod (12) is attached to the inner side face of the pressure spring (13) mutually.