CN212136309U

CN212136309U - Button limiting device for electronic coded lock

Info

Publication number: CN212136309U
Application number: CN202021265216.8U
Authority: CN
Inventors: 刘艳萍
Original assignee: SHANXI POLYTECHNIC COLLEGE
Current assignee: SHANXI POLYTECHNIC COLLEGE
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2020-12-11
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses an electron trick lock is with button stop device, concretely relates to electron machinery, including PCB control substrate, shell panel, press the key cap and contact electric pole point, PCB control substrate's top surface fixed mounting has one-level uide bushing post and dustproof support sleeve seat, and spacing seat card hole has been seted up on the surface of shell panel, and the inside fixed mounting in spacing seat card hole has the spacing seat of direction, and the inside slip of the spacing seat of direction has cup jointed second grade cushion sleeve post, and the inside movable mounting of second grade cushion sleeve post has air elastic component and supports the compression leg. The utility model discloses a set up novel elasticity stop device, utilize the mutual slip of one-level uide bushing post and second grade buffer sleeve post to cup joint the relative motion who realizes the contact electrode point, carry out spacing direction at one-level uide bushing post internal motion through second grade buffer sleeve post, break away from the friction at the border of traditional trick lock button and panel, improve the life and the stability of this button.

Description

Button limiting device for electronic coded lock

Technical Field

The utility model relates to the technical field of electronic machinery, more specifically say, the utility model specifically is an electron is button stop device for trick lock.

Background

With the continuous development of economy, the requirements of people on security equipment are higher and higher, the traditional mechanism locks can not meet the requirements, so various electronic locks are disclosed, and the electronic locks have working modes such as remote control, timing and the like, but more electronic locks work in a password mode, namely, each lock is provided with a password, the lock can be opened only when the correct password is input, and a button is a control device commonly used by the electronic locks, so that the electronic locks are widely applied to various mechanically input electronic locks.

Because the needs of various electronic trick lock molding and functions, the electronic trick lock button needs the friction frequently between the border of panel, and it is long like this, the gap between button and the panel can be bigger and bigger, not only influences outward appearance and quality, presses down to use and experiences the utmost point badly, and it is too big to appear the button to wave the amplitude of oscillation moreover, bad conditions such as card key appear even, need carry out spacing direction to the motion of button, improves the life of electronic trick lock button and presses and experience.

Therefore, it is desirable to provide a button position limiter for an electronic combination lock.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides an electron is button stop device for trick lock, through setting up novel elasticity stop device, utilize the mutual slip of one-level uide bushing post and second grade buffer sleeve post to cup joint the relative motion who realizes the contact electrode point, carry out spacing direction in one-level uide bushing post portion motion through second grade buffer sleeve post, and utilize the inside elastic component of second grade buffer sleeve post, cushion the contact at electric shock limit, can produce obvious paragraph when pressing the button and feel, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a button limiting device for an electronic coded lock comprises a PCB control substrate, a shell panel, a press key cap and a contact electric pole, wherein the contact electric pole comprises a first contact and a second contact, a first-stage guide sleeve column and a dustproof support sleeve seat are fixedly mounted on the top surface of the PCB control substrate, a limiting seat clamping hole is formed in the surface of the shell panel, a guide limiting seat is fixedly mounted inside the limiting seat clamping hole, the bottom end of the guide limiting seat is fixedly connected with the top end of the dustproof support sleeve seat, a second-stage buffer sleeve column is sleeved in a sliding mode inside the guide limiting seat, a guide piston sheet located inside the first-stage guide sleeve column is fixedly mounted at the bottom end of the second-stage buffer sleeve column, the peripheral side of the guide piston sheet is abutted with the inner side of the first-stage guide sleeve column in a sliding mode, a reset spring is fixedly mounted inside the first-stage guide sleeve column, and the guide piston sheet is sleeved outside the first contact in a, the bottom of the second contact is welded and fixed with the top surface of the PCB control substrate, and an air elastic part and a supporting compression leg are movably arranged inside the secondary buffer sleeve column.

In a preferred embodiment, the ends of the first contact and the second contact are respectively electrically connected with two stages of input ends of the PCB control substrate, the first contact and the second contact are located on the same vertical plane, and opposite surfaces of the first contact and the second contact are frosted.

In a preferred embodiment, a pressure stop protruding ring is arranged inside the pressing keycap, the pressing keycap is fixedly sleeved on the top end of the secondary buffer sleeve column, the inner side of the pressing keycap is attached to the outer side of the secondary buffer sleeve column, the bottom surface of the pressure stop protruding ring is attached to the top end of the secondary buffer sleeve column, and the top end of the supporting pressure column is abutted to the top surface of the inner cavity of the pressing keycap.

In a preferred embodiment, a plurality of sliding balls are rotatably mounted on the inner side of the guide limiting seat, the other side of each sliding ball is abutted against the outer side of the secondary buffer sleeve column, the outer side of the secondary buffer sleeve column is of a smooth surface structure, and the outer side of the secondary buffer sleeve column is subjected to surface hardening treatment.

In a preferred embodiment, the top end of the first contact penetrates into the secondary cushion sleeve column, the top end of the first contact is fixedly connected with the bottom surface of the aeroelastic piece, the top surface of the aeroelastic piece is fixedly connected with the bottom surface of the guide piston sheet, the first contact is of a hollow rubber block structure, and a gap is arranged between the peripheral side of the first contact and the inner side of the secondary cushion sleeve column.

In a preferred embodiment, the outside of the guide limiting seat is fixedly sleeved with a clamp spring, and the top surface of the clamp spring is abutted to the bottom surface of the shell panel.

In a preferred embodiment, the dustproof support sleeve seat is of a conical structure, the upper end and the lower end of the dustproof support sleeve seat are respectively connected with the bottom end of the guide limiting seat and the surface of the PCB control substrate in a sealing manner, and the upper end and the lower end of the dustproof support sleeve seat are provided with sealing rubber rings.

The utility model discloses a technological effect and advantage:

1. the utility model realizes the relative movement of the contact electrode point by arranging the novel elastic limiting device and utilizing the mutual sliding sleeve joint of the first-stage guide sleeve column and the second-stage buffer sleeve column, and carries out limiting guide by the movement of the second-stage buffer sleeve column in the first-stage guide sleeve column, thereby getting rid of the friction between the traditional coded lock button and the edge of the panel and improving the service life and the stability of the button;

2. the utility model discloses an install buffer gear additional, utilize the inside elastic component of second grade buffering cover post, cushion the contact of contact pole, can produce obvious paragraph when pressing the button and feel, promote to press and use and experience, and contact pole can extrude the inside elastic component of second grade buffering cover post after the contact and contract, prevent the button bad contact's that the frequent rigidity striking wearing and tearing of contact electrode point lead to the condition, further improve the incorruptibility of button.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the schematic view of the installation structure of the limiting device of the present invention.

Fig. 3 is a schematic structural diagram of a in fig. 2 according to the present invention.

Fig. 4 is a schematic structural diagram of the limiting mechanism of the present invention.

Fig. 5 is a schematic structural diagram of the buffering mechanism of the present invention.

The reference signs are: 1. a PCB control substrate; 2. a housing panel; 3. pressing the keycap; 4. a secondary buffer sleeve column; 5. a guiding limiting seat; 6. a primary guide sleeve column; 7. a dustproof support sleeve seat; 8. contacting the electrode points; 21. a limiting seat clamping hole; 31. a pressure-stop raised ring; 41. a guide piston plate; 42. an aeroelastic member; 43. supporting the compression column; 51. a sliding ball; 61. a return spring; 81. a first contact; 82. a second contact.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in the attached figures 1-5, the button limiting device for the electronic coded lock comprises a PCB control substrate 1, a shell panel 2, a press key cap 3 and a contact electric pole 8, wherein the contact electric pole 8 comprises a first contact 81 and a second contact 82, a first-stage guide sleeve column 6 and a dustproof support sleeve seat 7 are fixedly installed on the top surface of the PCB control substrate 1, a limiting seat clamping hole 21 is formed in the surface of the shell panel 2, a guide limiting seat 5 is fixedly installed inside the limiting seat clamping hole 21, the bottom end of the guide limiting seat 5 is fixedly connected with the top end of the dustproof support sleeve seat 7, a second-stage buffer sleeve column 4 is slidably sleeved inside the guide limiting seat 5, a guide piston sheet 41 positioned inside the first-stage guide sleeve column 6 is fixedly installed at the bottom end of the second-stage buffer sleeve column 4, the peripheral side of the guide piston sheet 41 slides against the inner side of the first-stage guide sleeve column 6, a return spring 61 is fixedly installed inside the first-stage guide, the guide piston sheet 41 is sleeved on the outer side of the first contact 81 in a sliding manner, the bottom end of the second contact 82 is welded and fixed with the top surface of the PCB control substrate 1, and the air elastic part 42 and the supporting compression leg 43 are movably mounted inside the secondary buffer sleeve column 4.

The implementation mode is specifically as follows: by arranging the novel elastic limiting device, the relative movement of the contact electrode point 8 is realized by utilizing the mutual sliding sleeve joint of the first-stage guide sleeve column 6 and the second-stage buffer sleeve column 4, and the limiting and guiding are carried out by the movement of the second-stage buffer sleeve column 4 in the first-stage guide sleeve column 6, so that the friction between the traditional coded lock button and the edge of a panel is eliminated, and the service life and the stability of the button are improved; additionally, the utility model discloses an install buffer gear additional, utilize the elastic component of second grade buffering sleeve post 4 portions, cushion the contact of contact electric pole 8, can produce obvious paragraph when pressing the button and feel, promote to press and use experience, and contact electric pole 8 can extrude the elastic component of second grade buffering sleeve post 4 portions after the contact and contract, prevent the button bad contact's that the numerous rigidity striking wearing and tearing of contact electrode point lead to the condition, further improve the durability of button.

Referring to the specification and the attached fig. 2, the end portions of the first contact 81 and the second contact 82 are respectively electrically connected with two stages of input ends of the PCB control substrate 1, the first contact 81 and the second contact 82 are located on the same vertical position, the opposite surfaces of the first contact 81 and the second contact 82 are frosted, so that the triggering of an electric signal is realized, and the frosted processing is helpful for improving the triggering sensitivity of the first contact 81 and the second contact 82.

Referring to the attached drawings 1 and 5 in the specification, a pressure stop raised ring 31 is arranged inside the press key cap 3, the press key cap 3 is fixedly sleeved on the top end of the secondary buffer sleeve column 4, the inner side of the press key cap 3 is attached to the outer side of the secondary buffer sleeve column 4, the bottom surface of the pressure stop raised ring 31 is attached to the top end of the secondary buffer sleeve column 4, the top end of the support pressure column 43 is abutted to the top surface of the inner cavity of the press key cap 3, and the motion guide of the secondary buffer sleeve column 4 is realized.

Referring to the description and the attached drawing 3, the inner side of the guide limiting seat 5 is rotatably provided with a plurality of sliding balls 51, the other side of each sliding ball 51 is abutted against the outer side of the secondary buffer sleeve column 4, the outer side of the secondary buffer sleeve column 4 is of a smooth surface structure, and the outer side of the secondary buffer sleeve column 4 is subjected to surface hardening treatment for realizing the sliding guide of the secondary buffer sleeve column 4.

Referring to the description and the accompanying drawings of fig. 5, the top end of the first contact 81 penetrates the inside of the secondary cushion sleeve column 4, the top end of the first contact 81 is fixedly connected with the bottom surface of the air elastic member 42, the top surface of the air elastic member 42 is fixedly connected with the bottom surface of the guide piston plate 41, the first contact 81 is of a hollow rubber block structure, and a gap is formed between the peripheral side of the first contact 81 and the inner side of the secondary cushion sleeve column 4, so that the first contact 81 and the second contact 82 are in contact cushioning, redundant kinetic energy is absorbed, and the first contact 81 and the second contact 82 are protected.

Referring to the attached drawing 1 of the specification, the outside of the guide limiting seat 5 is fixedly sleeved with a clamp spring, and the top surface of the clamp spring is abutted against the bottom surface of the shell panel 2, so that the first contact 81 and the second contact 82 are fixed.

Referring to the attached drawing 1 of the specification, the dustproof support sleeve seat 7 is of a conical structure, the upper end and the lower end of the dustproof support sleeve seat 7 are respectively connected with the bottom end of the guide limiting seat 5 and the surface of the PCB control substrate 1 in a sealing mode, and the upper end and the lower end of the dustproof support sleeve seat 7 are provided with sealing rubber rings to achieve the dustproof effect on the limiting device.

The utility model discloses the theory of operation:

the first step is as follows: when the button limiting device is pressed, the secondary buffer sleeve column 4 is pushed to slide and guide along the inner part of the guide limiting seat 5 by pressing the press key cap 3, and meanwhile, the guide piston sheet 41 slides and guides along the inner wall of the primary guide sleeve column 6 to press the reset spring 61 to contract, and meanwhile, after the first contact 81 is driven to move downwards to contact with the second contact 82, an electric signal is formed, and the electric signal is output to the coded lock;

the second step is that: after the first contact 81 and the second contact 82 are contacted, as the operator can not sense the continuous pressing, force is applied to the secondary buffer sleeve column 4, at the moment, the first contact 81 can not move continuously, the secondary buffer sleeve column 4 moves continuously downwards, the first contact 81 pushes the air elastic part 42 positioned between the supporting pressure columns 43 to contract in a reaction manner, subsequent kinetic energy during pressing operation is absorbed, abrasion caused by transitional fitting of the first contact 81 and the second contact 82 is prevented, and the first contact 81 and the second contact 82 are protected to a certain extent;

the third step: when the air elastic member 42 absorbs excessive energy, the operator can obviously sense the pressing resistance and cannot continuously press the button, namely, the button is released, the return spring 61 in the button pushes the secondary buffer sleeve column 4 to reset, and meanwhile, the air elastic member 42 recovers to enable the whole button to reset.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electron is button stop device for trick lock, includes PCB control substrate (1), shell panel (2), presses key cap (3) and contact electrode point (8), contact electrode point (8) include first contact (81) and second contact (82), its characterized in that: the PCB control substrate comprises a shell panel (2), a first-level guide sleeve column (6) and a dustproof support sleeve seat (7) are fixedly mounted on the top surface of the PCB control substrate (1), a limiting seat clamping hole (21) is formed in the surface of the shell panel (2), a guide limiting seat (5) is fixedly mounted in the limiting seat clamping hole (21), the bottom end of the guide limiting seat (5) is fixedly connected with the top end of the dustproof support sleeve seat (7), a second-level buffer sleeve column (4) is slidably sleeved in the guide limiting seat (5), a guide piston sheet (41) located in the first-level guide sleeve column (6) is fixedly mounted at the bottom end of the second-level buffer sleeve column (4), the peripheral side of the guide piston sheet (41) is abutted against the inner side of the first-level guide sleeve column (6), a reset spring (61) is fixedly mounted in the first-level guide sleeve column (6), and the guide piston sheet (41) is slidably sleeved on the outer side of a first contact (81, the bottom end of the second contact (82) is fixedly welded with the top surface of the PCB control substrate (1), and an air elastic part (42) and a supporting compression leg (43) are movably arranged in the secondary buffer sleeve column (4).

2. The electronic combination lock button limiting device of claim 1, wherein: the end parts of the first contact (81) and the second contact (82) are respectively electrically connected with two stages of input ends of the PCB control substrate (1), the first contact (81) and the second contact (82) are positioned on the same vertical position, and the opposite surfaces of the first contact (81) and the second contact (82) are subjected to frosting treatment.

3. The electronic combination lock button limiting device of claim 1, wherein: the utility model discloses a press key cap, including press key cap (3), press the inside of press key cap (3) and be equipped with only press protruding ring (31), press key cap (3) fixed cup joint in the top of second grade buffering cover post (4), press the inboard of key cap (3) and laminate mutually with the outside of second grade buffering cover post (4), the bottom surface that ends press protruding ring (31) and laminate mutually with the top of second grade buffering cover post (4), the top that supports compression leg (43) and the top surface looks butt of pressing key cap (3) inner chamber.

4. The electronic combination lock button limiting device of claim 1, wherein: the inboard of spacing seat of direction (5) is rotated and is installed a plurality of slip balls (51), the opposite side of slip ball (51) and the mutual butt in the outside of second grade buffering sleeve post (4), the outside of second grade buffering sleeve post (4) is smooth plain noodles structure, the case hardening is done in the outside of second grade buffering sleeve post (4).

5. The electronic combination lock button limiting device of claim 1, wherein: the top of first contact (81) runs through to the inside of second grade buffering cover post (4), the top of first contact (81) and the bottom surface fixed connection of air elastic component (42), the top surface of air elastic component (42) and the bottom surface fixed connection of direction piston piece (41), first contact (81) are hollow rubber block structure, the week side of first contact (81) and the inboard of second grade buffering cover post (4) are equipped with the clearance.

6. The electronic combination lock button limiting device of claim 1, wherein: the outside of spacing seat of direction (5) is fixed to be cup jointed the jump ring, the top surface of jump ring and the mutual butt of bottom surface of shell panel (2).

7. The electronic combination lock button limiting device of claim 1, wherein: the dustproof support sleeve seat (7) is of a conical structure, the upper end and the lower end of the dustproof support sleeve seat (7) are connected with the bottom end of the guide limiting seat (5) and the surface of the PCB control substrate (1) in a sealing mode respectively, and the upper end and the lower end of the dustproof support sleeve seat (7) are provided with sealing rubber rings.