CN217631770U - Back locking assembly adaptive to different door thicknesses and door lock - Google Patents

Abstract

The utility model relates to a lock technical field discloses a back lock subassembly that different doors of adaptation are thick, include: the center of the fixing seat is axially provided with a plectrum hole, and the periphery of the fixing seat is provided with a first limiting groove communicated with the plectrum hole; one end of the back locking shifting piece is provided with a plurality of clamping grooves and is inserted into the shifting piece hole; and the first clamp spring is sleeved on the first limiting groove and the clamping groove. This anti-subassembly of locking inserts the anti-plectrum of locking and establishes in the fixing base, sets up the first jump ring of cover at first spacing inslot simultaneously on the fixing base, through first jump ring card in the draw-in groove of anti-plectrum one end, fixes the anti-plectrum of locking. Under the condition of no external force, the back locking shifting piece can be stably arranged in the fixed seat; when the back locking shifting piece is pushed and pulled, the first clamp spring can be clamped in different clamping grooves, so that the length of the back locking shifting piece outside the fixed seat can be adjusted to adapt to doors with different thicknesses.

Description

Back locking assembly adaptive to different door thicknesses and door lock

Technical Field

The utility model relates to a lock technical field, it is specific, relate to a back locking subassembly and lock that different doors of adaptation are thick.

Background

The back locking knob of the door lock is usually connected with the inner shifting peach of the door lock through the back locking shifting piece, and the back locking shifting piece can be driven to shift the inner structure of the door lock when the back locking button is rotated, so that the spring bolt is popped out to realize the back locking of the door lock. Because the thickness of door has multiple specification, leads to the back lock plectrum to prepare different specifications, or when the installation temporarily cut short the back lock plectrum and come the door of different thickness, whatever kind of solution, can increase the cost or increase the complexity of installation.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a solve above-mentioned technical problem and make, its purpose provides the back lock subassembly and the lock of the different door thickness of adaptation, need not to prune the door that can the different thickness of adaptation under the condition of back lock plectrum length.

In order to achieve the above object, in one aspect, the present invention provides an anti-lock assembly adapted to different door thicknesses, including: the center of the fixing seat is axially provided with a shifting sheet hole, and the periphery of the fixing seat is provided with a first limiting groove communicated with the shifting sheet hole; one end of the back locking shifting piece is provided with a plurality of clamping grooves and is inserted into the shifting piece hole; and the first clamp spring is sleeved on the first limiting groove and the clamping groove.

Preferably, the clamping groove is an arc-shaped groove or a V-shaped groove.

Preferably, the first clamp spring is a C-shaped clamp spring, a U-shaped clamp spring or a pin clamp spring.

Preferably, the method further comprises the following steps: the knob is arranged at one end of the fixed seat and can synchronously rotate with the fixed seat, and the middle part of the knob is provided with a cavity which can contain the back locking shifting piece.

In order to achieve the above object, on the other hand, the present invention provides a door lock, including: the anti-lock assembly adaptive to different door thicknesses is characterized in that one end of the fixed seat, which is far away from the knob, is a shaft body; a knob hole is arranged on one side of the shell, and a reverse locking poking sheet hole is arranged on the other side of the shell; the middle part of the fixing plate is sleeved on the shaft body, and the end part of the fixing plate is fixedly connected to the shell; wherein, the periphery of the knob is provided with a first limit boss which prevents the knob from moving towards the outside of the knob hole.

Preferably, a rectangular positioning block is arranged on the shaft body; the positioning block is sleeved with a second clamp spring, and the end part of the second clamp spring is fixed on the fixing plate or the shell.

Preferably, four corners of the positioning block are cambered surfaces.

Preferably, one end of the fixed seat is clamped in the knob; more than two first limiting bosses are arranged on the periphery of the knob; and a second limiting boss extending to the position between two adjacent first limiting bosses is arranged in the shell.

Preferably, the method further comprises the following steps: and two ends of the return spring are respectively abutted against the knob and the fixed seat.

Preferably, the method further comprises the following steps: and the third clamp spring is sleeved on the shaft body and is positioned on one side of the fixing plate, which is far away from the knob.

According to above description and practice, the different thick back locking subassembly of door of adaptation, insert the back locking plectrum and establish in the fixing base, set up the first jump ring of cover at first spacing inslot simultaneously on the fixing base, through first jump ring card in the draw-in groove of back locking plectrum one end, fix the back locking plectrum. Under the condition of no external force, the back locking shifting piece can be stably arranged in the fixed seat; when the back locking shifting piece is pushed and pulled, the first clamp spring can be clamped in different clamping grooves, so that the length of the back locking shifting piece outside the fixed seat can be adjusted to adapt to doors with different thicknesses.

Drawings

Fig. 1 is an exploded view of a back lock assembly adapted to accommodate different door thicknesses according to an embodiment of the present invention.

Fig. 2 is an exploded view of a door lock according to an embodiment of the present invention.

Fig. 3a and 3b show two cross-sectional views of a door lock according to an embodiment of the invention, the two cross-sections being perpendicular to each other.

The reference numbers in the figures are:

1. fixing seat 11, shifting sheet hole 12 and first limiting groove

13. Positioning block 14, second limiting groove 15 and connecting column

2. Back locking shifting piece 21, clamping groove 31 and first clamping spring

32. Second clamp spring 33, third clamp spring 4 and knob

41. First spacing boss 5, casing 51, second spacing boss

6. A fixed plate 7, a return spring 8 and a shaft sleeve.

Detailed Description

Exemplary embodiments will now be described more fully with reference to the accompanying drawings. The exemplary embodiments, however, may be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. In the present disclosure, the terms "include", "arrange", "disposed" and "disposed" are used to mean open-ended inclusion, and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.; the terms "first," "second," and the like are used merely as labels, and are not limiting as to the number or order of their objects; the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the embodiment, a back locking assembly adapting to different door thicknesses and a door lock applying the back locking assembly are disclosed. Wherein FIG. 1 is an exploded view of the back lock assembly of this embodiment adapted for different door thicknesses; FIG. 2 is an exploded view of the door lock of this embodiment, with the housing shown in partial detail and the anti-lock paddle omitted, to show greater detail; fig. 3a and 3b are two cross-sectional views of the door lock in this embodiment, the two cross-sections being perpendicular to each other.

The structure of the back lock assembly adapted to different door thicknesses will be described first, and referring to fig. 1, 3a and 3b, the back lock assembly adapted to different door thicknesses comprises: fixing base 1, back lock plectrum 2 and first jump ring 31. A rectangular shifting piece hole 11 is formed in the center of the fixed seat 1 along the axial direction and used for mounting the back locking shifting piece 2; two first limiting grooves 12 communicated with the shifting piece holes 11 are formed in the periphery of the fixing seat 1. One end of the back locking pick 2 is provided with a plurality of clamping grooves 21, and the end of the back locking pick 2 is inserted into the pick hole 11. The section of the anti-locking shifting piece 2 is also rectangular and can synchronously rotate along with the fixed seat 1. The first clamp spring 31 is sleeved on the first limiting groove 12 and the clamping groove 21 and used for fixing the anti-locking shifting piece 2 and preventing the anti-locking shifting piece 2 from moving along the self axial direction under the condition of not receiving external force. This anti-lock subassembly is when using, along the axial push-and-pull anti-lock plectrum 2 of anti-lock plectrum 2, makes first jump ring 31 card establish in different draw-in grooves 21, can change the length that is located the outside of fixing base 1 of anti-lock plectrum 2 to the door of the different thickness of adaptation. Because fixing base 1 and first jump ring 31 are the disconnect-type structure, conveniently assemble this back locking subassembly, in addition, when the first jump ring 31 trouble of fixed back locking plectrum 2, only need replace it alone, can practice thrift the cost.

In this embodiment, the locking slot 21 is an arc-shaped slot, which facilitates pushing and pulling the reverse locking pick 2. The above-described effects can also be obtained by forming the notch 21 as a V-shaped groove.

In this embodiment, the first latch spring 31 is a pin latch spring, as shown in fig. 1, an end of one arm is bent to form a fixing hook, which can fix the other arm, and can be opened and closed under the action of an external force. When the pin clamp spring is in an open state, the pin clamp spring is convenient to install in the first limiting groove 12; when the pin clamp spring is in a closed state, the anti-locking shifting piece 2 can be fixed. In other embodiments, the first clamp spring 31 may be a C-shaped clamp spring or a U-shaped clamp spring, and one end of the first clamp spring is provided with an opening, so that the first clamp spring is conveniently installed in the first limiting groove 12, and the anti-lock pick 2 can be fixed.

In this embodiment, one end of the fixing base 1 is further provided with a knob 4, and the knob 4 is clamped on the fixing base 1 and can rotate synchronously with the fixing base 1. The middle part of the knob 4 is provided with a cavity which can contain the back locking shifting piece 2, and when the back locking shifting piece 2 is pushed and pulled, the end part of the back locking shifting piece is ensured not to generate position conflict with other structures. When the knob 4 is rotated, the fixing seat 1 can be driven to rotate, so as to drive the back locking shifting piece 2 to rotate.

The door lock in this embodiment is described below with reference to fig. 2, 3a and 3 b. The door lock comprises the above-mentioned counter lock assembly adapted to different door thicknesses, a housing 5 and a fixing plate 6. Wherein, the one end of keeping away from knob 4 of fixing base 1 is the axis body for installation fixed plate 6. A knob hole is formed in one side of the shell 5 and used for penetrating the knob 4, and one end of the knob 4 is arranged in the knob hole and can rotate in the knob hole; the other side of the shell 5 is provided with a back locking shifting piece hole for the back locking shifting piece 2 to pass through. The middle part cover of fixed plate 6 is established on this axis body, and the two can rotate relatively, and the tip of fixed plate 6 is then fixed to be set up on the inner wall of casing 5 for prevent that fixing base 1 from to keeping away from the one side removal of knob 4. Two first limiting bosses 41 protruding outwards are further arranged on the periphery of the knob 4, the first limiting bosses 41 are located on the inner side of the shell 5, and the distance between the end faces of the two first limiting bosses 41 is larger than the diameter of the knob hole, so that the knob 4 can be prevented from falling out of the knob hole to the outside of the shell. The door lock can also be adapted to doors of different thicknesses. Other structures such as lock core, handle in the lock are not the innovation point of this disclosure, therefore no longer describe in detail.

In this embodiment, a rectangular positioning block 13 is further disposed on the shaft body of the fixing base 1, a rectangular second snap spring 32 is sleeved on the positioning block 13, and an end portion of the second snap spring 32 is fixed on the fixing plate 6. When the fixing base is used, two side edges of the second clamp spring 32 are clamped on two side edges of the positioning block 13, so that the fixing base 1 cannot rotate when being free from external force. It should be noted that, by changing the shape of the second clamp spring 32, the positioning block 13 can be limited on the premise that the second clamp spring has two side edges parallel to the positioning block 13. When an external force is applied to rotate the fixing base 1 by 90 degrees, the two side edges of the second snap spring 32 can be clamped on the two side edges of the positioning block 13, so that the fixing base 1 is in a stable fixing state. In other embodiments, the shape of the positioning block 13 may be changed according to the requirement, for example, changed to be a regular hexagon, and then the fixing base 1 may be clamped by the second clamp spring 32 after rotating 60 °. In addition, in this embodiment, the four corners of the positioning block 13 are formed as arc surfaces, which reduces the resistance to rotation of the fixing base 1.

In this embodiment, the knob 4 is clamped on the fixing base 1, specifically, two connecting posts 15 are disposed at one end of the fixing base 1, two holes capable of accommodating the connecting posts 15 are disposed in the knob 4, the connecting posts 15 are inserted into the holes, so that the knob 4 and the fixing base 1 can rotate synchronously, and the knob 4 can move along the length direction of the connecting posts 15. A second limit projection 51 extending between two adjacent first limit projections 41 is further provided in the housing 5. When the second limit bosses 51 are located between the first limit bosses 41, the rotation of the knob 4 is limited, the knob 4 is pressed inward at this time, the second limit bosses 51 are no longer located between the first limit bosses 41, and the knob 4 can be rotated. The structure can prevent the occurrence of back locking in the misoperation of children. A return spring 7 is arranged between the knob 4 and the fixed seat 1, two ends of the return spring 7 are respectively abutted to the knob 4 and the fixed seat 1, after the knob 4 is rotated, the knob 4 can be moved outwards, and the second limiting projection can be restored to a position between the first limiting bosses 41 in the non-locking state.

In addition, in this embodiment, the shaft sleeve 8 is disposed between the fixing plate 6 and the shaft body of the fixing base 1, so that the friction loss between the fixing plate and the shaft body can be reduced, and the stability can be improved. In addition, a third snap spring 33 is further sleeved on the shaft body of the fixed seat 1, and the third snap spring 33 is arranged on one side of the fixed plate 6, which is far away from the knob 4, and is used for preventing the fixed seat 1 from moving to one side close to the knob 4. Specifically, a second limiting groove 14 is formed in the shaft body of the fixing base 1, and the third snap spring 33 is a circlip for the shaft and is clamped in the second limiting groove 14. Further, a washer is provided between the third clamp spring 33 and the fixed plate 6, so that friction loss between the third clamp spring and the fixed plate can be reduced, and stability can be improved.

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. An anti-lock assembly adapted to accommodate different door thicknesses, comprising:

the center of the fixing seat is axially provided with a shifting sheet hole, and the periphery of the fixing seat is provided with a first limiting groove communicated with the shifting sheet hole;

one end of the back locking shifting piece is provided with a plurality of clamping grooves and is inserted into the shifting piece hole;

and the first clamp spring is sleeved on the first limiting groove and the clamping groove.

2. Counter lock assembly to adapt to different door thicknesses according to claim 1,

the clamping groove is an arc-shaped groove or a V-shaped groove.

3. Counter lock assembly to adapt to different door thicknesses according to claim 1,

the first clamp spring is a C-shaped clamp spring, a U-shaped clamp spring or a pin clamp spring.

4. A counter lock assembly to accommodate different door thicknesses as in any one of claims 1 to 3, further comprising:

the knob is arranged at one end of the fixed seat and can synchronously rotate with the fixed seat, and the middle part of the knob is provided with a cavity which can contain the back locking shifting piece.

5. A door lock, comprising:

the back lock assembly adapted to different door thicknesses as claimed in claim 4, wherein an end of the fixing base away from the knob is a shaft body;

a knob hole is arranged at one side of the shell, and a reverse locking poking sheet hole is arranged at the other side of the shell;

the middle part of the fixing plate is sleeved on the shaft body, and the end part of the fixing plate is fixedly connected to the shell; wherein

And a first limiting boss for preventing the knob from moving towards the outside of the knob hole is arranged on the periphery of the knob.

6. The door lock of claim 5,

a rectangular positioning block is arranged on the shaft body;

and a second clamp spring is sleeved on the positioning block, and the end part of the second clamp spring is fixed on the fixing plate or the shell.

7. The door lock of claim 6,

the four corners of the positioning block are cambered surfaces.

8. The door lock of claim 5,

one end of the fixed seat is clamped in the knob;

more than two first limiting bosses are arranged on the periphery of the knob;

and a second limiting boss extending to the position between two adjacent first limiting bosses is arranged in the shell.

9. The door lock of claim 8, further comprising:

and two ends of the return spring are respectively abutted against the knob and the fixed seat.

10. The door lock according to any one of claims 5 to 9, further comprising:

and the third clamp spring is sleeved on the shaft body and is positioned on one side of the fixing plate, which is far away from the knob.

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