CN211422141U - Single-knob coded lock - Google Patents

Abstract

The utility model relates to a mechanical trick lock technical field specifically is a single knob trick lock. It includes: the shell comprises a main bottom plate, an auxiliary bottom plate and a shell, wherein one end of the shell is hinged with the main bottom plate, and the shell can rotate relative to the main bottom plate; a clamping hook is arranged at one end of the auxiliary bottom plate, which is far away from the main bottom, and one end of the shell is movably connected with a push block which can move relative to the main shell; the push block is provided with a clamping hole matched with the clamping hook, the push block is connected with a lock tongue, the shell is connected with a rotatable knob and a control unit connected with the knob, and the control unit is provided with an accommodating space corresponding to the lock tongue; when the lock is locked, the containing space is staggered with the lock tongue, and the push block is limited and is clamped with the clamping hook. The technical scheme controls the push block to move through the single-selection button; the structure is relatively simple, the occupied space is small, and the cost is reduced.

Description

Single-knob coded lock

Technical Field

The utility model relates to a mechanical trick lock technical field specifically is a single knob trick lock.

Background

At present, a mechanical coded lock generally uses a code runner or a code turntable as an operating part to dial a code, and the application number is as follows: CN2016213261358, entitled code lock, which adopts code wheel structure; for another example: the application numbers are: CN2018205637857, name: a mechanical coded lock adopts a coded rotating wheel structure; however, the number of the password rotating wheels or the password rotating discs is set to be 3 or more in order to improve the confidentiality; the structure of the coded lock is more complex and the volume is relatively larger due to the more number of the coded wheels or the coded turntables; there is a need to develop a combination lock with a smaller number of operating parts to facilitate the simplification of the internal structure.

Disclosure of Invention

An object of the utility model is to solve among the prior art mechanical trick lock's operating parts more, lead to the comparatively complicated problem of inner structure, provide a radio knob trick lock, this single knob trick lock's inner structure is comparatively simple.

A radio-button combination lock, comprising: the shell comprises a main bottom plate, an auxiliary bottom plate and a shell, wherein one end of the shell is hinged with the main bottom plate, and the shell can rotate relative to the main bottom plate; a clamping hook is arranged at one end of the auxiliary bottom plate, which is far away from the main bottom, and one end of the shell is movably connected with a push block which can move relative to the main shell; the push block is provided with a clamping hole matched with the clamping hook, the push block is connected with a lock tongue, the shell is connected with a rotatable knob and a control unit connected with the knob, and the control unit is provided with an accommodating space corresponding to the lock tongue; when the lock is locked, the containing space is staggered with the lock tongue, and the push block is limited and is clamped with the clamping hook.

Furthermore, the control unit comprises a rotating part connected with the knob and a control assembly matched with the rotating part, the rotating part comprises a rotating ring and a lower stirring block, and the lower end of the lower stirring block is positioned below the rotating ring; the control assembly comprises an inner rotating shaft, a lower rotating seat is arranged at the lower end of the inner rotating shaft, an upper rotating seat sleeved on the inner rotating shaft is arranged above the lower rotating seat, the inner rotating shaft can rotate relative to the upper rotating seat, and the accommodating space comprises an upper jack and a lower jack which are respectively arranged on the upper rotating seat and the lower rotating seat; the upper rotating seat is provided with a convex block, the convex block is positioned on the rotating track of the lower stirring block, and the inner rotating shaft is sleeved with the rotating ring.

Furthermore, a rotary folding edge is arranged at the lower end of the knob, and a concave hole matched with the rotary folding edge is formed in the shell; the lower terminal surface of knob is equipped with down the connecting rod, the upper end of rotating member is equipped with the connecting block, and the middle part of connecting block is equipped with the connecting hole with connecting rod matched with down, the lower terminal surface of knob is equipped with the jack with connecting block matched with, and the connecting block inserts the jack and pegs graft with lower connecting rod.

Furthermore, the connecting block is of a polygonal main body structure, and the cross section of the jack is polygonal.

Furthermore, the lower end of the connecting block is provided with a middle ring, the middle of a concave hole in the shell is provided with an inner concave hole matched with the middle ring, the middle of the inner concave hole is provided with a through hole matched with the rotating ring, the rotating ring is arranged on the lower end face of the middle ring, the side face of the through hole is provided with a plurality of inserting grooves, and elastic pieces are arranged in the inserting grooves; the upper rotary seat is provided with a friction ring, and the elastic sheet is abutted against the side face of the friction ring.

Preferably, the cross section of the friction ring is in a regular polygon arrangement.

Furthermore, the cross section of the rotating ring is in a regular polygon arrangement; the upper end of the elastic sheet is abutted to the rotating ring, and the middle of the elastic sheet is provided with a spacing groove.

Furthermore, two sides of the push block extend outwards to form movable arms, the end parts of the movable arms are provided with limiting parts, the shell is provided with movable grooves matched with the movable arms, and the limiting parts are positioned outside the movable grooves; an elastic piece used for pushing the push block outwards is arranged between the push block and the shell.

Furthermore, the two sides of the main bottom plate are respectively provided with a supporting block, the supporting blocks are provided with shaft holes, the shell is provided with plug-in holes matched with the supporting blocks, the two sides of the plug-in holes are respectively provided with mounting holes matched with the shaft holes, and the supporting blocks are hinged with the shell through pin shafts. Preferably, an elastic unfolding piece is arranged between the main bottom plate and the shell.

The technical scheme has the advantages that the push block is controlled to move through the radio button; the structure is relatively simple, the occupied space is small, and the cost is reduced.

Drawings

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

Fig. 2 is another view of fig. 1.

Fig. 3 is an exploded schematic view of the present invention.

Fig. 4 is a schematic view of the structure of fig. 1 with the knob removed.

Fig. 5 is a schematic diagram of the combination of the push block, the sub-base plate and the control unit.

Reference numerals:

1-a housing; 3-subfloor; 4-main base plate; 5-knob; 6-push block; 7-Upper swivel base; 8-rotating member; 9-inner rotating shaft; 10-elastic deployment piece; 11-active slot; 12-concave hole; 13-inner concave hole; 15-plug hole; 21-spring plate; 22-elastic member; 31-hook; 41-a support block; 51-lower connecting rod; 52-rotary hemming; 53-jack; 61-movable arm; 62-a limiting part; 63-bolt; 64-a clamping hole; 71-bump; 72-Friction Ring; 73-upper jack; 81-intermediate ring; 82-lower dial block; 83-rotating ring; 84-connecting block; 91-down rotation seat; 92-lower insertion hole; 100-control Unit.

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.

See fig. 1-5; a radio-button combination lock, comprising: the device comprises a main bottom plate 4, an auxiliary bottom plate 3 and a shell 1, wherein one end of the shell 1 is hinged with the main bottom plate 4, and the shell 1 can rotate relative to the main bottom plate 4; a clamping hook 31 is arranged at one end of the auxiliary bottom plate 3 far away from the main bottom, a push block 6 is movably connected at one end of the shell 1, and the push block 6 can move relative to the main shell 1; the push block 6 is provided with a clamping hole 64 matched with the clamping hook 31, the push block 6 is connected with a bolt 63, the shell 1 is connected with a rotatable knob 5 and a control unit 100 connected with the knob 5, and the control unit 100 is provided with an accommodating space corresponding to the bolt 63; when locking, the containing space is dislocated with the bolt 63, and the push block 6 is limited and clamped with the hook 31.

When the technical scheme works, the main bottom plate 4 and the auxiliary bottom plate 3 are respectively fixed on two objects to be locked, and if a door needs to be locked, the main bottom plate 4 and the auxiliary bottom plate 3 are respectively fixed on a door frame and the door; when the box body needs to be locked, the main bottom plate 4 and the auxiliary bottom plate 3 are respectively fixed on the box cover and the box body on two sides of the opening. 1. When locking is needed, the hook 31 of the sub-base plate 3 is inserted into the clamping hole 64 of the push block 6 and clamped with the push block 6, at this time, the accommodating space of the control unit 100 is dislocated with the bolt 63, the push block 6 cannot move or the moving range of the push block 6 is very small, so that the push block 6 cannot be separated from the hook 31; 2. when the lock needs to be unlocked, the knob 5 rotates and drives the control unit 100 to rotate, so that the accommodating space corresponds to the lock tongue 63, then the push block 6 is pushed, and after the push block 6 moves, the hook 31 is separated from the clamping hole 64, and the hook 31 can be separated from the push block 6; at this time, the shell 1 is rotated relative to the main bottom plate 4 by rotating the shell 1; after the rotation, the hook 31 is completely separated from the push block 6, so that no connecting object exists between the main bottom plate 4 and the auxiliary bottom plate 3, and the unlocking purpose is realized. Preferably, a receiving plate (not shown) for receiving the control unit 100 is connected to a lower portion of the housing 1. Of course, the control unit 100 may also be connected within the housing 1.

Further, see fig. 3, 5; the control unit 100 comprises a rotating member 8 connected with the knob 5 and a control component matched with the rotating member 8, wherein the rotating member 8 comprises a rotating ring 83 and a lower dial block 82, and the lower end of the lower dial block 82 is positioned below the rotating ring 83; the control assembly comprises an inner rotating shaft 9, a lower rotating base 91 is arranged at the lower end of the inner rotating shaft 9, an upper rotating base 7 sleeved on the inner rotating shaft 9 is arranged above the lower rotating base 91, the inner rotating shaft 9 can rotate relative to the upper rotating base 7, and the accommodating space comprises an upper insertion hole 73 and a lower insertion hole 92 which are respectively arranged on the upper rotating base 7 and the lower rotating base 91; the upper rotating base 7 is provided with a convex block 71, the convex block 71 is positioned on the rotating track of the lower stirring block 82, and the inner rotating shaft 9 is sleeved with the rotating ring 83.

When locking, the locking bolt 63 is dislocated with at least one of the upper jack 73 and the lower jack 92, so that the locking bolt 63 cannot move to the unlocking position; if the lug 71 is positioned on the left side of the dial block during design, the knob 5 can rotate rightwards first, at this time, the rotating piece 8 rotates until the lug 71 abuts against the lower dial block 82, and then the rotating piece 8 drives the upper rotating base 7 and the lower rotating base 91 to rotate together until the upper insertion hole 73 is opposite to the bolt 63; then the knob 5 rotates leftwards, at this time, the rotating piece 8 only drives the inner rotating shaft 9 and the lower rotating seat 91, the lower rotating seat 91 rotates until the lower insertion hole 92 is aligned with the lower insertion hole 92, and the lower insertion hole 92 is opposite to the bolt 63; at this time, the unlocking position is achieved, then the push block 6 is pushed, and the lock tongue 63 is respectively inserted into the upper insertion hole 73 and the lower insertion hole 92; similarly, when the protrusion 71 is located at the right side of the dial block, the knob 5 may be rotated to the left first to make the upper insertion hole 73 opposite to the latch tongue 63, and then rotated to the right to make the lower insertion hole 92 opposite to the latch tongue 63.

Further, a rotary folding edge 52 is arranged at the lower end of the knob 5, and a concave hole 12 matched with the rotary folding edge 52 is formed in the shell 1; the lower terminal surface of knob 5 is equipped with lower connecting rod 51, the upper end of rotating member 8 is equipped with connecting block 84, and the middle part of connecting block 84 is equipped with the connecting hole with lower connecting rod 51 matched with, the lower terminal surface of knob 5 is equipped with jack 53 with connecting block 84 matched with, and connecting block 84 inserts jack 53 and pegs graft with lower connecting rod 51.

In the technical scheme, in order to better connect the knob 5 with the rotating piece 8, a mutual insertion mode is adopted, the lower connecting rod 51 is inserted into a connecting hole in the middle of the connecting block 84, and the connecting block 84 is inserted into the jack 53 on the lower end face of the knob 5; in a specific arrangement, the lower connecting rod 51 and the connecting hole may be in interference fit. Secondly, the knob 5 is provided with a rotating ring 83, and it is convenient to provide a pattern or a number on the surface of the rotating ring 83 to indicate the rotation angle.

Further, the connecting block 84 has a polygonal main body structure, and the cross section of the insertion hole 53 has a polygonal shape.

The connecting block 84 is set to be polygonal, and after the connecting block 84 is matched with the jack 53, the knob 5 can conveniently drive the rotating piece 8 to rotate.

Furthermore, the lower end of the connecting block 84 is provided with a middle ring 81, the middle part of the concave hole 12 on the housing 1 is provided with an inner concave hole 13 matched with the middle ring 81, the middle part of the inner concave hole 13 is provided with a through hole matched with a rotating ring 83, the rotating ring 83 is arranged on the lower end surface of the middle ring 81, the side surface of the through hole is provided with a plurality of inserting grooves, and the inserting grooves are internally provided with elastic pieces 21; the upper rotary base 7 is provided with a friction ring 72, and the elastic sheet 21 is abutted against the side surface of the friction ring 72.

An intermediate ring 81 is provided to facilitate cooperation with the housing 1; meanwhile, the elastic sheet 21 is also convenient to hide; after the elastic sheet 21 is arranged, the elastic sheet 21 abuts against the friction ring 72, so that the upper rotary seat 7 is limited to rotate randomly; when the knob 5 drives the inner rotating shaft 9 and the lower rotary seat 91 to rotate leftwards, the lower rotary seat 91 is driven to rotate independently; the upper swivel base 7 can remain in place.

Preferably, the cross section of the friction ring 72 is a regular polygon.

In order to make the rotation angle of the upper rotary knob 7 coincide with the rotation angle of the rotary knob 5 when the upper rotary knob 7 is driven to move, the side surface of the friction ring 72 may be provided in the form of a regular polygon having the same number of sides as the number of patterns or the number of marks on the rotary knob 5. If there are 10 patterns or 10 numbers on the knob 5, the side of the friction ring 72 is arranged in a regular 10-sided polygon.

Further, the cross section of the rotating ring 83 is arranged in a regular polygon shape; the upper end of the elastic sheet 21 is abutted against the rotating ring 83, and the middle part of the elastic sheet 21 is provided with a spacing groove.

After the spacer grooves are provided, the spring plate 21 is divided into two parts, the upper part is abutted against the rotating ring 83, and the lower part is abutted against the friction ring 72, so that the rotation of the rotating ring 83 and the friction ring 72 is prevented. So that the rotating ring 83 has a good feeling when rotated.

Furthermore, two sides of the push block 6 extend outwards to form a movable arm 61, the end of the movable arm 61 is provided with a limiting part 62, the housing 1 is provided with a movable groove 11 matched with the movable arm 61, and the limiting part 62 is located outside the movable groove 11; an elastic piece 22 for pushing the push block 6 outwards is arranged between the push block 6 and the shell 1.

For reducing the volume of ejector pad 6 to conveniently set up the activity space with ejector pad 6 matched with, this technical scheme is provided with the extension arm in the both sides of ejector pad 6, through the sliding connection with the extension arm, required activity space when can effectively reduce the ejector pad 6 activity, secondly, through setting up elastic component 22, so that ejector pad 6 keeps at the joint state. The elastic member 22 may be a spring, and when the elastic member is specifically configured, a main guide post may be disposed on one side of the push block 6 close to the control unit 100, an auxiliary guide post opposite to the main guide post is disposed on the housing 1, and two ends of the spring are respectively inserted into the main guide post and the auxiliary guide post. Other structures for mounting the spring may of course be provided. The limiting part 62 can be in a hook shape, and the extension arm is in a suspension state, so that the extension arm is easy to bend and deform, and the push block 6 is convenient to mount.

Furthermore, two sides of the main bottom plate 4 are respectively provided with a supporting block 41, the supporting blocks 41 are provided with shaft holes, the housing 1 is provided with an inserting hole 15 matched with the supporting block 41, two sides of the inserting hole 15 are respectively provided with a mounting hole matched with the shaft holes, and the supporting blocks 41 are hinged with the housing 1 through pin shafts (not shown in the figure). Preferably, an elastic expansion piece 10 is provided between the main bottom plate 4 and the housing 1.

The main floor 4 is connected to the housing 1 by a hinge so that the housing 1 can rotate relative to the main floor 4. After the elastic unfolding piece 10 is arranged, when the push block 6 is separated from the hook 31, the elastic unfolding piece 10 drives the shell 1 to rotate; so that the hook 31 leaves the push block 6. The elastic member 22 and the elastic expansion member 10 can be springs, elastic sheets, etc.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. A single-knob combination lock, comprising: the shell comprises a main bottom plate, an auxiliary bottom plate and a shell, wherein one end of the shell is hinged with the main bottom plate, and the shell can rotate relative to the main bottom plate; a clamping hook is arranged at one end of the auxiliary bottom plate, which is far away from the main bottom, and one end of the shell is movably connected with a push block which can move relative to the main shell; the ejector pad is equipped with the card hole with trip matched with, its characterized in that: the push block is connected with a lock tongue, the shell is connected with a rotatable knob and a control unit connected with the knob, and the control unit is provided with an accommodating space corresponding to the lock tongue; when the lock is locked, the containing space is staggered with the lock tongue, and the push block is limited and is clamped with the clamping hook.

2. The single knob combination lock of claim 1, wherein: the control unit comprises a rotating piece connected with the knob and a control assembly matched with the rotating piece, the rotating piece comprises a rotating ring and a lower stirring block, and the lower end of the lower stirring block is positioned below the rotating ring; the control assembly comprises an inner rotating shaft, a lower rotating seat is arranged at the lower end of the inner rotating shaft, an upper rotating seat sleeved on the inner rotating shaft is arranged above the lower rotating seat, the inner rotating shaft can rotate relative to the upper rotating seat, and the accommodating space comprises an upper jack and a lower jack which are respectively arranged on the upper rotating seat and the lower rotating seat; the upper rotating seat is provided with a convex block, the convex block is positioned on the rotating track of the lower stirring block, and the inner rotating shaft is sleeved with the rotating ring.

3. A single knob combination lock according to claim 2, wherein: the lower end of the knob is provided with a rotary folding edge, and the shell is provided with a concave hole matched with the rotary folding edge; the lower terminal surface of knob is equipped with down the connecting rod, the upper end of rotating member is equipped with the connecting block, and the middle part of connecting block is equipped with the connecting hole with connecting rod matched with down, the lower terminal surface of knob is equipped with the jack with connecting block matched with, and the connecting block inserts the jack and pegs graft with lower connecting rod.

4. A single knob combination lock according to claim 3, wherein: the connecting block is of a polygonal main body structure, and the cross section of each jack is polygonal.

5. A single knob combination lock according to claim 3, wherein: the lower end of the connecting block is provided with a middle ring, the middle part of a concave hole on the shell is provided with an inner concave hole matched with the middle ring, the middle part of the inner concave hole is provided with a through hole matched with a rotating ring, the rotating ring is arranged on the lower end surface of the middle ring, the side surface of the through hole is provided with a plurality of inserting grooves, and elastic pieces are arranged in the inserting grooves; the upper rotary seat is provided with a friction ring, and the elastic sheet is abutted against the side face of the friction ring.

6. The single knob combination lock of claim 5, wherein: the cross section of the friction ring is in a regular polygon arrangement.

7. A single knob combination lock according to claim 5 or 6, wherein: the cross section of the rotating ring is arranged in a regular polygon shape; the upper end of the elastic sheet is abutted to the rotating ring, and the middle of the elastic sheet is provided with a spacing groove.

8. The single-knob coded lock according to claim 1, wherein two sides of the push block extend outwards to form movable arms, the end parts of the movable arms are provided with limiting parts, the shell is provided with movable grooves matched with the movable arms, and the limiting parts are positioned outside the movable grooves; an elastic piece used for pushing the push block outwards is arranged between the push block and the shell.

9. The single-knob combination lock according to claim 1, wherein the main bottom plate is provided at both sides thereof with support blocks, the support blocks are provided with shaft holes, the housing is provided with insertion holes to be fitted with the support blocks, the insertion holes are provided at both sides thereof with mounting holes to be fitted with the shaft holes, and the support blocks are hinged to the housing by means of pin shafts.

10. The single knob combination lock of claim 9, wherein the main base plate is resiliently extendable relative to the housing.

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