CN220184893U - Antitheft push-pull lock - Google Patents

Abstract

The utility model belongs to the technical field of hardware accessories, and particularly relates to an anti-theft push-pull lock which comprises a lock body shell, a switch main body and a lock hook assembly; the two inner side walls of the lock body shell are inwards sunken to form bulges which are oppositely arranged; the switch main body is arranged on the lock body shell and can slide along the length direction of the lock body shell, and one end of the switch main body is provided with two elastic arms; the latch hook group is arranged on the lock body shell and is connected with the switch main body, and a movable gap arranged along the length direction of the lock body shell is arranged between the latch hook component and the switch main body so as to move along the length direction of the lock body shell under the drive of the switch main body, thereby realizing the opening or locking of the anti-theft push-pull lock. The anti-theft push-pull lock has the advantages of fewer parts, simple production and processing process, simple and convenient product assembly, and safe and reliable anti-theft function; the unlocking and locking operation process of the anti-theft push-pull lock is quick and smooth, and the anti-theft push-pull lock has good positioning hand feeling. The product can also solve the problem that the double-sided push-pull lock with the lock core on the back has no reliable anti-theft function.

Description

Antitheft push-pull lock

Technical Field

The utility model belongs to the technical field of hardware accessories, and particularly relates to an anti-theft push-pull lock.

Background

The existing push-pull locks are applied to the sliding doors in the market, the push-pull locks with the anti-theft function are complex in structure, small and many parts (small steel balls, small springs, small clamping speeds, small pins and the like) are arranged, so that the processing and assembling procedures are many, the production is inconvenient, and the anti-theft reliability of the product is also limited by the strength of the small parts. The existing push-pull lock can be opened from the outdoor side only by manually lifting the window sash or hooking the lock hook, so that great potential safety hazard is brought.

Disclosure of Invention

The utility model aims to provide an anti-theft push-pull lock, and aims to solve the technical problem that the push-pull lock in the prior art can be opened from the outdoor side by manually lifting a window sash or hooking a lock hook, so that potential safety hazards exist.

In order to achieve the above object, an anti-theft push-pull lock provided by the embodiment of the present utility model includes:

the lock comprises a lock body shell, wherein two inner side walls of the lock body shell are inwards recessed to form bulges which are oppositely arranged;

the switch main body is arranged on the lock body shell and can slide along the length direction of the lock body shell, and one end of the switch main body is provided with two elastic arms;

the lock hook component is arranged on the lock body shell and is connected with the switch main body, and a movable gap arranged along the length direction of the lock body shell is arranged between the lock hook component and the switch main body so as to move along the length direction of the lock body shell under the drive of the switch main body, so that the anti-theft push-pull lock is opened or locked;

when the lock body shell moves upwards by external force and the lock hook component is pressed downwards to be limited by the outside and moves downwards relative to the lock body shell, the lock hook component moves beyond the movable gap and then drives the switch main body to move downwards, the two elastic arms deform under the action of the corresponding bulges to inwards squeeze the lock hook component, and the two sides of the two elastic arms are simultaneously squeezed by the bulges and the lock hook component to be fixed and unable to move.

Optionally, each bulge is in a circular arc shape.

Optionally, a circular arc-shaped abutting part is arranged on one side, facing the inner side wall of the lock body shell, of the elastic arm.

Optionally, an inclined surface inclined outwards is arranged on one side of the elastic arm, which faces away from the arc-shaped abutting part.

Optionally, the latch hook assembly includes a latch hook base disposed on the lock body housing and a latch hook body connected to the latch hook base; the lock hook base is connected with the switch main body, and a trapezoid block positioned between the two elastic arms is arranged on the lock hook base; the lock hook body is used for realizing opening or locking of the anti-theft push-pull lock.

Optionally, a groove is formed in the trapezoid block, a bump matched with the groove is formed in the switch main body, and the movable gap is located between the trapezoid block and the bump.

Optionally, the width of the groove along the length direction of the lock body housing is larger than the width of the projection along the length direction of the lock body housing, so as to form the movable gap.

Optionally, the latch hook assembly further comprises an adjusting screw, the latch hook body is provided with a thread groove matched with the adjusting screw, and the latch hook base is provided with a semi-cylindrical groove; the adjusting screw is arranged between the thread groove and the semi-cylindrical groove so as to lock the lock hook body and the lock hook base.

Optionally, the lock body shell comprises a bottom plate and two side plates oppositely arranged on the bottom plate, and the bulges are arranged on the corresponding side plates; the bottom plate and the two side plates form a channel for the switch main body and the latch hook base to move.

Optionally, a notch is formed at a position of the side plate corresponding to the latch hook base, and one end of the latch hook body extends out of the notch.

The above technical solutions in the anti-theft push-pull lock provided by the embodiments of the present utility model have at least one of the following technical effects: when the push-pull lock is normally used, the switch main body is pushed to move downwards, the switch main body drives the lock hook component to move, two elastic arms on the switch main body are abutted with corresponding bulges arranged on the lock body in the moving process and deform, the two elastic arms are extruded and deformed towards the middle, the lock hook component and the top ends of the elastic arms can be staggered due to the existence of a movable gap, the elastic arms can still deform when moving downwards, the bulges can be avoided, so that the switch main body can smoothly move downwards to realize the normal opening of the push-pull lock,

when the lock hook component is only pressed down, the lock hook component pushes the switch main body to move downwards, the two elastic arms of the switch main body are abutted with corresponding bulges of the lock body shell and deform in the downward moving process, and the two elastic arms are extruded and deformed towards the middle; at this time, the latch hook component is contacted with the two elastic arms, both sides of the two elastic arms are extruded, deformation cannot occur, bulge cannot be avoided, and finally the switch main body and the latch hook component cannot continuously move downwards, so that an anti-theft effect is realized.

The anti-theft push-pull lock has the advantages of fewer parts, simple production and processing process, simple and convenient product assembly, and safe and reliable anti-theft function; the unlocking and locking operation process of the anti-theft push-pull lock is quick and smooth, and the anti-theft push-pull lock has good positioning hand feeling. The product can also solve the problem that the double-sided push-pull lock with the lock core on the back has no reliable anti-theft function.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an anti-theft push-pull lock according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of the anti-theft push-pull lock provided in fig. 1 under another view angle.

Fig. 3 is an exploded schematic view of the anti-theft push-pull lock provided in fig. 1.

Fig. 4 is an exploded view of the anti-theft push-pull lock of fig. 1 from another perspective.

Fig. 5 is a schematic structural view of the anti-theft push-pull lock provided in fig. 1 in an opened state and a locked state.

Fig. 6 is a cross-sectional view of the anti-theft push-pull lock provided in fig. 1 in a state in which the toggle switch body moves downward, from a locked state to an unlocked state.

Fig. 7 is a cross-sectional view of the anti-theft push-pull lock provided in fig. 1 in an anti-theft process, wherein the lock hook body is forced to be pressed down so as to lock the anti-theft push-pull lock.

Wherein, each reference sign in the figure:

10-lock shell 11-bulge 12-bottom plate

13-side plate 14-channel 15-gap

20-switch body 21-elastic arm 22-bump

23-switch groove 24-trapezoid step 25-shifting block

30-Lock hook Assembly 31-Lock hook base 32-Lock hook body

33-trapezoidal block 34-adjusting screw 40-clearance

211-arc-shaped abutting part 212-inclined plane 311-semi-cylindrical groove

321-thread groove 331-groove.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 7 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 7, there is provided an anti-theft push-pull lock including a lock body housing 10, a switch main body 20, and a latch hook assembly 30.

The two inner side walls of the lock body shell 10 are inwards sunken to form bulges 11 which are oppositely arranged; the switch main body 20 is arranged on the lock body shell 10 and can slide along the length direction of the lock body shell 10, one end of the switch main body 20 is provided with two elastic arms 21, and when the switch main body is in a locking state, the bulge 11 is positioned below the elastic arms 21; the latch hook assembly 30 is disposed on the lock body housing 10 and connected to the switch main body 20, and a movable gap 40 disposed along the length direction of the lock body housing 10 is disposed between the latch hook assembly 30 and the switch main body 20, so as to move along the length direction of the lock body housing 10 under the driving of the switch main body 20, thereby realizing the opening or locking of the anti-theft push-pull lock.

When the lock body housing 10 is moved up by an external force and the lock hook assembly 30 is limited externally and moves down relative to the lock body housing 10, the lock hook assembly 30 moves beyond the movable gap 40 to drive the switch main body 20 to move down, the two elastic arms 21 deform under the action of the corresponding bulges 11 to inwardly squeeze the lock hook assembly 30, and both sides of the two elastic arms 21 are simultaneously squeezed by the bulges 11 and the lock hook assembly 30 to be fixed and unable to move.

During normal use, when the switch main body 20 is pushed to move downwards by external force and is converted into an open state from a locked state, as shown in fig. 5 and 6, the switch main body 20 drives the lock hook assembly 30 to move, two elastic arms 21 on the switch main body 20 are abutted against corresponding bulges 11 arranged on the lock body housing 10 and deform in the moving process, the two elastic arms 21 are extruded and deformed towards the middle, the top ends of the lock hook assembly 30 and the elastic arms 21 can be staggered due to the existence of the movable gap 40, and deformation can still be generated to avoid the bulges 11 when the elastic arms 21 move downwards, so that the switch main body 20 can smoothly move downwards to realize normal opening of the anti-theft push-pull lock.

When the latch hook assembly 30 is pressed down (i.e. anti-theft process), as shown in fig. 7, the latch hook assembly 30 moves down by the distance of the movable gap 40, and then pushes the switch main body 20 to move down, two elastic arms 21 of the switch main body 20 abut against corresponding bulges 11 of the lock body housing 10 and deform in the downward movement process, and the two elastic arms 21 are pressed and deformed towards the middle; at this time, the latch hook assembly 30 contacts with the two elastic arms 21, both sides of the two elastic arms 21 are squeezed and cannot deform, both elastic arms 21 cannot avoid the bulge 11, and finally the switch main body 20 and the latch hook assembly 30 cannot move downward continuously, so that an anti-theft effect is achieved.

The anti-theft push-pull lock has the advantages of fewer parts, simple production and processing process, simple and convenient product assembly, and safe and reliable anti-theft function; the unlocking and locking operation process of the anti-theft push-pull lock is quick and smooth, the bulge 11 provides operation handfeel and positioning effect for the toggle process of the switch main body 20, and good positioning handfeel is achieved. The product can also solve the problem that the double-sided push-pull lock with the lock core on the back has no reliable anti-theft function.

In the present embodiment, as shown in fig. 1 to 4 and fig. 6 to 7, each bulge 11 is provided in a circular arc shape. Specifically, the bulges 11 are arranged in a circular arc shape, so that in normal use, the elastic arms 21 are in contact with the bulges 11, can be deformed towards each other and pass between the bulges 11.

In this embodiment, as shown in fig. 1 to 4, the lock body housing 10 includes a bottom plate 12 and two side plates 13 disposed on the bottom plate 12 in opposition, and the bulge 11 is disposed on the corresponding side plate 13; the bottom plate 12 and the side plates 13 form a channel 14 for movement of the switch body 20 and the shackle assembly 30. Specifically, the two side plates 13 are arranged parallel to each other and spaced apart, and the switch body 20 and the latch base are movably connected in the channel 14. The bulge 11 is formed by punching the side plate 13 inwards.

In this embodiment, as shown in fig. 1 to 4, a notch 15 is formed at a position of the side plate 13 corresponding to the latch hook base 31, and one end of the latch hook assembly 30 extends out of the notch 15. Specifically, the notch 15 allows one end of the latch hook assembly 30 to extend, so that one end of the latch hook assembly 30 extends into the latch to perform the opening and locking functions.

In the present embodiment, as shown in fig. 3 to 4 and fig. 6 to 7, a circular arc-shaped abutting portion 211 is provided on a side of the elastic arm 21 facing the inner side wall of the lock body case 10. Specifically, the circular arc-shaped abutting portion 211 is located at an end portion of the elastic arm 21 and extends toward an inner side wall of the lock body case 10, and the circular arc-shaped abutting portion 211 is circular arc-shaped so that the elastic arm 21 contacts the bulge 11 and can deform and pass through the bulge 11 in normal use.

In the present embodiment, as shown in fig. 3 to 4 and fig. 6 to 7, a side of the elastic arm 21 facing away from the inner sidewall of the lock body housing 10 is provided with an inclined surface 212 inclined outward. Specifically, when only the latch hook assembly 30 is pressed down, the latch hook assembly 30 pushes the switch main body 20 to move downward, the two elastic arms 21 of the switch main body 20 abut against the corresponding bulges 11 of the lock body housing 10 and deform in the downward moving process, and the two elastic arms 21 are pressed and deformed towards the middle; at this time, the latch hook assembly 30 contacts with the inclined surfaces 212 of the two elastic arms 21, both sides of the two elastic arms 21 are squeezed and cannot deform, both elastic arms 21 cannot avoid the bulge 11, and finally the switch main body 20 and the latch hook assembly 30 cannot move downward, so that an anti-theft effect is achieved.

In this embodiment, as shown in fig. 3 and fig. 6 to fig. 7, the switch main body 20 is provided with a bump 22, the bump 22 and the latch hook base 31 are matched to realize connection between the switch main body 20 and the latch hook base 31, and a movable gap 40 is provided between the latch hook base 31 and the switch main body 20 along the length direction of the lock body housing 10, so that a certain relative movement allowance can be provided between the switch main body 20 and the latch hook base 31 along the length direction of the lock body housing 10. The middle part of one side of the switch main body 20 facing away from the elastic arm 21 is recessed inwards to form a switch groove 23, both sides of the switch groove 23 are provided with trapezoid steps 24, a shifting block 25 is arranged in the switch groove 23, and the shifting block 25 is positioned in the middle part of the switch groove 23. Specifically, a user's finger may extend into the switch slot 23 to toggle the toggle block 25, thereby toggle the switch body 20 up and down.

In the present embodiment, as shown in fig. 3 to 4 and fig. 6 to 7, the latch hook assembly 30 includes a latch hook base 31 provided on the lock body case 10 and a latch hook body 32 connected to the latch hook base 31; the lock hook base 31 is connected with the switch main body, a trapezoid block 33 positioned between the two elastic arms 21 is arranged on the lock hook base 31, and the trapezoid block 33 is positioned at one end of the lock hook base 31 close to the elastic arms 21; the shackle body 32 is used to enable unlocking or locking of the anti-theft push-pull lock. The notch 15 allows one end of the latch hook assembly 30 to extend out, so that one end of the latch hook assembly 30 extends into the latch to realize the opening and locking functions.

Specifically, the inclined planes are arranged on two sides of the trapezoid block 33, and the inclined planes on two sides of the trapezoid block 33 are respectively matched with the inclined planes 212 of the two elastic arms 21, so that an anti-theft function is realized. Specifically, when the push switch is used normally, the switch main body 20 is pushed to move downwards, the switch main body 20 drives the lock hook base 31 and the lock hook main body 32 to move, two elastic arms 21 on the switch main body 20 are abutted against corresponding bulges 11 arranged on the lock body housing 10 in the moving process and deform, the two elastic arms 21 are extruded and deformed towards the middle, the inclined plane 212 of the trapezoid block 33 can be staggered with the top end of the elastic arm 21 due to the existence of the movable gap 40 between the lock hook base 31 and the switch main body 20, deformation can be generated when the elastic arm 21 moves downwards, and the bulges 11 can be avoided, so that the switch main body 20 can move downwards smoothly to realize normal opening of the push-pull lock.

In this embodiment, as shown in fig. 3 to 4 and fig. 6 to 7, the trapezoid block 33 is provided with a groove 331, the switch main body 20 is provided with a protrusion 22 matching with the groove 331, and the movable gap 40 is located between the trapezoid block 33 and the protrusion 22. Specifically, the side of the latch hook base 31 provided with the recess 331 faces the side of the switch body 20 provided with the projection 22 and is engaged therewith, so that the latch hook base 31 and the switch body 20 are connected. Wherein the bump 22 is located between the two elastic arms 21 and on the same side of the switch body 20 as the elastic arms 21.

In the present embodiment, as shown in fig. 6 and 7, the width of the groove 331 along the length direction of the lock body housing 1 is larger than the width of the projection 22 along the length direction of the lock body housing 10, so as to form the movable gap 40. Specifically, the width of the groove 331 is greater than the width of the protrusion 22, so that the protrusion 22 has the movable gap 40 in the groove 331, and a certain relative movement margin can exist between the switch main body 20 and the latch hook base 31 along the length direction of the lock body housing 10. The inclined surface 212 of the trapezoid block 33 and the top end of the elastic arm 21 can be staggered when ensuring normal use.

Further, the clearance is 1.2mm, so that a certain relative movement allowance can exist between the switch main body 20 and the latch hook base 31 along the length direction of the lock body housing 10.

In this embodiment, as shown in fig. 3 to 4 and fig. 6 to 7, the latch hook assembly 30 further includes an adjusting screw 34, a threaded groove 321 adapted to the adjusting screw 34 is provided on the latch hook body 32, and a half-turn thread is provided in the threaded groove 321. The latch hook base 31 is provided with a semi-cylindrical groove 311; the adjusting screw 34 is provided between the thread groove 321 and the semi-cylindrical groove 311 to lock the latch hook body 32 and the latch hook base 31. Specifically, after the latch hook body 32 is inserted into the latch hook base 31, the adjusting screw 34 engages with the threaded groove 321 on the latch hook, which serves to fix and adjust the latch hook body 32. The locking hook base 31 is provided with a semi-cylindrical groove 311 in which the adjusting screw 34 can be placed, and the adjusting screw 34 is restricted from rotating only along the axis.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. An antitheft push-pull lock, characterized by comprising:

the lock comprises a lock body shell, wherein two inner side walls of the lock body shell are inwards recessed to form bulges which are oppositely arranged;

the switch main body is arranged on the lock body shell and can slide along the length direction of the lock body shell, and one end of the switch main body is provided with two elastic arms;

the lock hook component is arranged on the lock body shell and is connected with the switch main body, and a movable gap arranged along the length direction of the lock body shell is arranged between the lock hook component and the switch main body so as to move along the length direction of the lock body shell under the drive of the switch main body, so that the anti-theft push-pull lock is opened or locked;

when the lock body shell moves upwards under external force, and the lock hook component is limited by the outside and moves downwards relative to the lock body shell, the lock hook component moves beyond the movable gap and then drives the switch main body to move downwards, the two elastic arms deform under the action of the corresponding bulges to inwards squeeze the lock hook component, and the two sides of the two elastic arms are simultaneously squeezed by the bulges and the lock hook component to be fixed and unable to move.

2. The antitheft push-pull lock of claim 1 wherein: each bulge is arranged in a circular arc shape.

3. The antitheft push-pull lock of claim 1 wherein: and one side of the elastic arm, which faces the inner side wall of the lock body shell, is provided with an arc-shaped abutting part.

4. The antitheft push-pull lock of claim 3 wherein: one side of the elastic arm, which is away from the arc-shaped abutting part, is provided with an inclined surface which is inclined outwards.

5. The antitheft push-pull lock of claim 1 wherein: the lock hook assembly comprises a lock hook base arranged on the lock body shell and a lock hook body connected with the lock hook base; the lock hook base is connected with the switch main body, and a trapezoid block positioned between the two elastic arms is arranged on the lock hook base; the lock hook body is used for realizing opening or locking of the anti-theft push-pull lock.

6. The antitheft push-pull lock of claim 5 wherein: the trapezoid block is provided with a groove, the switch main body is provided with a convex block matched with the groove, and the movable gap is positioned between the trapezoid block and the convex block.

7. The antitheft push-pull lock of claim 6 wherein: the width of the groove along the length direction of the lock body shell is larger than the width of the lug along the length direction of the lock body shell so as to form the movable gap.

8. The antitheft push-pull lock of claim 5 wherein: the lock hook assembly further comprises an adjusting screw, a thread groove matched with the adjusting screw is formed in the lock hook body, and a semi-cylindrical groove is formed in the lock hook base; the adjusting screw is arranged between the thread groove and the semi-cylindrical groove so as to lock the lock hook body and the lock hook base.

9. The antitheft push-pull lock of claim 5 wherein: the lock body shell comprises a bottom plate and two side plates which are oppositely arranged on the bottom plate, and the bulges are arranged on the corresponding side plates; the bottom plate and the two side plates form a channel for the switch main body and the latch hook base to move.

10. The antitheft push-pull lock of claim 9 wherein: the side plate is provided with a notch corresponding to the lock hook base, and one end of the lock hook body extends out of the notch.