Lock body square core push peach anti-gap structure

Abstract

The application provides a lock body square core push-turn anti-gap structure, which comprises a box body, an upper push-turn piece, a lower push-turn piece, a push-turn spring assembly and a large torsion spring, a handle push-turn hole is arranged in the box body, and the large torsion spring is arranged on the outer periphery of the handle push-turn hole; an upper push-turn piece hole is arranged in the middle of the upper push-turn piece, and a lower push-turn piece hole is arranged in the middle of the lower push-turn piece; the upper push-turn piece and the lower push-turn piece are sequentially stacked on the handle push-turn hole, and the upper push-turn piece hole, the lower push-turn piece hole and the handle push-turn hole are correspondingly arranged; the push-turn spring assembly and the large torsion spring interact on the upper push-turn piece and the lower push-turn piece, the lower push-turn piece is subjected to the elastic force in the clockwise direction, the upper push-turn piece is subjected to the elastic force in the counterclockwise direction, the lower push-turn piece rotates 0-10 degrees in the clockwise direction, the upper push-turn piece rotates 0-10 degrees in the counterclockwise direction, the lower push-turn piece hole and the upper push-turn piece hole are dislocated so as to clamp the square core, and the gap between the square core and the push-turn piece is eliminated. According to the application, the problem that the door opening is poor due to the certain gap between the square core and the push-turn piece during door opening can be solved.

Description

[0001] The present application is a divisional application of the Chinese patent application No. 202010829221.5, filed on August 18, 2020, with the title of "Lock body square core push-turn anti-gap structure". TECHNICAL FIELD

[0002] The present application relates to the field of building and home door locks, in particular to a lock body, especially a lock body with less noise. BACKGROUND

[0003] The current situation of the lock body push-turn structure on the market is that there is a certain gap between the square core and the push-turn, which will cause the handle to idle for a certain angle when pressing down to open the door, resulting in poor door opening feel. In view of this problem, a lock body square core push-turn anti-gap structure is needed to be developed and designed to realize the gap-free fit between the square core and the push-turn, eliminate the problem of handle idling for a certain angle when pressing down, and improve the door opening feel. SUMMARY

[0004] In view of the above problems, the purpose of the present application is to provide a lock body square core push-turn anti-gap structure to solve the problem of poor door opening feel caused by the gap between the square core and the push-turn.

[0005] The present application provides a lock body square core push-turn anti-gap structure, comprising a box body, an upper push piece, a lower push piece, a push piece spring assembly and a large torsion spring arranged in the box body, characterized in that,

[0006] A handle push-turn hole is arranged in the box body, and the large torsion spring is arranged on the outer periphery of the handle push-turn hole;

[0007] An upper push piece hole is arranged in the middle of the upper push piece, and a lower push piece hole is arranged in the middle of the lower push piece, the upper push piece and the lower push piece are sequentially stacked on the handle push-turn hole, and the upper push piece hole, the lower push piece hole and the handle push-turn hole are correspondingly arranged;

[0008] The push piece spring assembly and the large torsion spring interact on the upper push piece and the lower push piece, wherein the push piece spring assembly comprises a small torsion spring, a torsion spring arm hole is arranged at one end of the upper push piece, a small torsion spring hole and a small torsion spring limiting piece are arranged in the box body, the middle of the small torsion spring is fixed in the small torsion spring hole, the torsion spring arm at one end of the small torsion spring is embedded in the torsion spring arm hole, and the other end of the small torsion spring is limited between the small torsion spring limiting piece and the edge of the box body;

[0009] A big torsion spring limiting piece and a big torsion spring arm limiting piece are arranged in the box body, the big torsion spring limiting piece and the big torsion spring arm limiting piece are arranged at the outer periphery of the handle knob hole respectively, the torsion spring arm at one end of the big torsion spring is embedded in the big torsion spring arm limiting piece, passes through the big torsion spring limiting piece, and the torsion spring arm of the big torsion spring is embedded in the torsion spring arm hole of the upper knob;

[0010] The lower knob is subjected to the elastic force in the clockwise direction, the upper knob is subjected to the elastic force in the counterclockwise direction, the lower knob rotates 0-10 degrees in the clockwise direction, the upper knob rotates 0-10 degrees in the counterclockwise direction, so that the lower knob hole and the upper knob hole are misaligned to clamp the square core, and the gap between the square core and the knob is eliminated.

[0011] Preferably, two limiting holes are arranged on the upper knob, and the two limiting holes are arranged on both sides of the upper knob hole;

[0012] Two limiting columns corresponding to the two limiting holes are arranged on the lower knob, and the two limiting columns are arranged on both sides of the lower knob hole;

[0013] The limiting column is embedded in the limiting hole, and the limiting column has a movement space in the limiting hole.

[0014] Preferably, a lower knob limiting piece is arranged in the box body, a limiting piece groove is arranged on the lower knob limiting piece, and a lower knob limiting groove is arranged at one end of the lower knob; wherein,

[0015] The lower knob limiting groove is clamped on the limiting piece groove.

[0016] Preferably, the knob spring assembly further comprises a compression spring, wherein,

[0017] A compression spring stop is arranged on one side of the lower knob, one end of the compression spring is fixed to the edge of the box body, and the other end of the compression spring is embedded in the compression spring stop.

[0018] The present application has the advantages of simple structure, low cost, no gap between the square core and the knob, elimination of the problem of the handle idling for a certain angle when the handle is pressed, and improvement of the hand feeling of opening the door.

[0019] To achieve the above and related objects, one or more aspects of the application include the features to be described in detail below. The following description and drawings detail certain illustrative aspects of the application. However, these aspects indicate only some of the ways in which the principles of the application can be employed. In addition, the application is intended to include all such aspects and their equivalents. BRIEF DESCRIPTION OF DRAWINGS

[0020] Other objects and results of the present application will become more fully apparent from the following description taken in conjunction with the accompanying drawings. In the drawings:

[0021] Figure 1 Fig. 1 is a schematic diagram of the lock body with a gap-free structure according to an embodiment of the present application;

[0022] Figure 2 Fig. 2 is a schematic diagram of the large torsion spring and the assembly cooperation structure according to an embodiment of the present application;

[0023] Figure 3 Fig. 3 is a schematic diagram of the pusher spring assembly structure according to an embodiment of the present application;

[0024] Figure 4 Fig. 4 is a schematic diagram of the upper pusher structure according to an embodiment of the present application;

[0025] Figure 5 Fig. 5 is a schematic diagram of the lower pusher structure according to an embodiment of the present application;

[0026] Figure 6 Fig. 6 is a schematic diagram of the pre-stressed structure according to an embodiment of the present application;

[0027] Figure 7 Fig. 7 is a schematic diagram of the post-stressed structure according to an embodiment of the present application.

[0028] The reference signs in the drawings comprise:

[0029] 1. Box body, 11. Large torsion spring limiting piece, 12. Large torsion spring arm limiting piece, 13. Small torsion spring hole, 14. Lower pusher limiting piece, 141. Limiting piece groove, 15. Handle pusher hole, 16. Small torsion spring limiting piece;

[0030] 2. Upper pusher, 21. Limiting hole, 22. Upper pusher hole, 23. Torsion spring arm hole;

[0031] 3. Lower pusher, 31. Limiting column, 32. Lower pusher hole, 33. Lower pusher limiting groove, 34. Compression spring catch;

[0032] 4. Large torsion spring;

[0033] 5. Pusher spring assembly, 51. Small torsion spring, 52. Compression spring.

[0034] The same reference signs in all the drawings indicate similar or corresponding features or functions. DETAILED DESCRIPTION

[0035] In the following description, for the purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It can be apparent, however, that such embodiment(s) can be practiced without using all of the specific details. In other instances, well known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.

[0036] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0037] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0038] As Figures 1 to 7As shown, the lock body square core push-pull gap structure provided by the present application comprises a box body 1, an upper push-pull piece 2, a lower push-pull piece 3, a push-pull piece spring assembly 5 and a large torsion spring 4, a handle push-pull hole 15 is arranged in the box body 1, and the large torsion spring 4 is arranged at the outer periphery of the handle push-pull hole 15; a middle part of the upper push-pull piece 2 is provided with an upper push-pull piece hole 22, and a middle part of the lower push-pull piece 3 is provided with a lower push-pull piece hole 32; the upper push-pull piece 2 and the lower push-pull piece 3 are sequentially overlapped on the handle push-pull hole 15, and the upper push-pull piece hole 22, the lower push-pull piece hole 32 and the handle push-pull hole 15 are correspondingly arranged; the push-pull piece spring assembly 5 and the large torsion spring 4 interact on the upper push-pull piece 2 and the lower push-pull piece 3, wherein the push-pull piece spring assembly 5 comprises a small torsion spring 51, a torsion spring arm hole 23 is arranged at one end of the upper push-pull piece 2, a small torsion spring hole 13 and a small torsion spring limiting piece 16 are arranged in the box body 1, a middle part of the small torsion spring 51 is fixed in the small torsion spring hole 13, a torsion spring arm at one end of the small torsion spring 51 is embedded in the torsion spring arm hole 23, and the other end of the small torsion spring 51 is limited between the small torsion spring limiting piece 16 and the edge of the box body 1; a large torsion spring limiting piece 11 and a large torsion spring arm limiting piece 12 are arranged in the box body 1, the large torsion spring limiting piece 11 and the large torsion spring arm limiting piece 12 are respectively arranged at the outer periphery of the handle push-pull hole 15, a torsion spring arm at one end of the large torsion spring 4 is embedded in the large torsion spring arm limiting piece 12, passes through the large torsion spring limiting piece 11, and the torsion spring arm of the large torsion spring 4 is embedded in the torsion spring arm hole 23 of the upper push-pull piece 2; the lower push-pull piece 3 is subjected to a clockwise elastic force, the upper push-pull piece 2 is subjected to a counterclockwise elastic force, the lower push-pull piece 3 is rotated 0-10 degrees clockwise, and the upper push-pull piece 2 is rotated 0-10 degrees counterclockwise, so that the lower push-pull piece hole 32 and the upper push-pull piece hole 22 are misaligned to clamp the square core and eliminate the gap between the square core and the push-pull piece.

[0039] Specifically, the box body 1 is provided with a large torsion spring limiting piece 11, a large torsion spring arm limiting piece 12, a small torsion spring hole 13, a lower push-pull piece limiting piece 14, a handle push-pull hole 15 and a small torsion spring limiting piece 16, and the lower push-pull piece limiting piece 14 is provided with a limiting piece groove 141.

[0040] A middle part of the upper push-pull piece 2 is provided with an upper push-pull piece hole 22, and both sides are provided with limiting holes 21; one side of the upper push-pull piece 2 is provided with a torsion spring arm hole 23. A middle part of the lower push-pull piece 3 is provided with a lower push-pull piece hole 32, both sides are provided with limiting columns 31 corresponding to the limiting holes 21, and one side of the lower push-pull piece 2 is provided with a lower push-pull piece limiting groove 33 and a compression spring clamping piece 34.

[0041] The upper dial 2 and the lower dial 3 are fixed together on the handle dial hole 15, the upper dial hole 22, the lower dial hole 32 and the handle dial hole 15 correspond, the limiting column 31 is embedded in the limiting hole 21, and the limiting column 31 has a certain moving space in the limiting hole 21; the lower dial limiting groove 33 is clamped on the limiting piece groove 141 of the lower dial limiting piece 14.

[0042] A large torsion spring 4 is located outside the handle dial hole 15, the large torsion spring 4 passes through the large torsion spring limiting piece 11, and the torsion spring arm at one end of the large torsion spring 4 is embedded in the large torsion spring arm limiting piece 12, and the torsion spring arm at the other end is embedded in the torsion spring arm hole 23 of the upper dial 2.

[0043] The dial spring assembly 5 includes a small torsion spring 51 and a compression spring 52, the small torsion spring 51 is fixed in the small torsion spring hole 13, the torsion spring arm at one end of the small torsion spring 51 is clamped in the torsion spring arm hole 23 of the upper dial 2, and the other end is limited between the small torsion spring limiting piece 16 and the edge of the box body 1. One end of the compression spring 52 is fixed on the edge of the box body 1, and the other end is embedded on the compression spring clamping position 34 of the lower dial 3.

[0044] When the door is opened, the lower dial 3 is subjected to the elastic force in the clockwise direction, and the upper dial 2 is subjected to the elastic force in the counterclockwise direction, the lower dial 3 rotates 0-10 degrees in the clockwise direction, and the upper dial 2 rotates 0-10 degrees in the counterclockwise direction, so that the lower dial hole 32 and the upper dial hole 22 are misaligned to clamp the square core, and the gap between the square core and the dial peach is eliminated.

[0045] The lock body square core dial peach anti-gap structure according to the present application is described above with reference to the accompanying drawings in an exemplary manner. However, those skilled in the art should understand that various improvements can be made to the lock body square core dial peach anti-gap structure according to the present application described above without departing from the content of the present application. Therefore, the protection scope of the present application should be determined by the content of the appended claims.

Claims

1. A lock body square core paddle anti-gap structure, comprising a box body, an upper paddle, a lower paddle, a paddle spring assembly and a large torsion spring arranged in the box body, characterized in that: A handle-pick-up hole is provided in the box body, and the large torsion spring is provided on the periphery of the handle-pick-up hole; An upper plectrum hole is provided in the middle of the upper plectrum, and a lower plectrum hole is provided in the middle of the lower plectrum. The upper plectrum and the lower plectrum are sequentially superimposed on the handle plectrum hole, and the upper plectrum hole, the lower plectrum hole and the handle plectrum hole are correspondingly provided. The paddle spring assembly interacts with the large torsion spring on the upper paddle and the lower paddle, wherein the paddle spring assembly includes a small torsion spring, a torsion spring arm hole is provided at one end of the upper paddle, a small torsion spring hole and a small torsion spring limiting plate are provided in the box body, the middle portion of the small torsion spring is fixed in the small torsion spring hole, a torsion spring arm at one end of the small torsion spring is embedded in the torsion spring arm hole, and the other end of the small torsion spring is limited between the small torsion spring limiting plate and the edge of the box body; A large torsion spring limiting member and a large torsion spring arm limiting member are provided in the box body, and the large torsion spring limiting member and the large torsion spring arm limiting member are respectively provided on the outer periphery of the handle plucking hole, and the torsion spring arm at one end of the large torsion spring is embedded in the large torsion spring arm limiting member, passes through the large torsion spring limiting member, and the torsion spring arm of the large torsion spring is embedded in the torsion spring arm hole of the upper plucking piece; The lower paddle is subjected to a clockwise elastic force, and the upper paddle is subjected to a counterclockwise elastic force. The lower paddle rotates 0-10 degrees clockwise, and the upper paddle rotates 0-10 degrees counterclockwise, so that the lower paddle hole and the upper paddle hole are misaligned, thereby clamping the square core and eliminating the gap between the square core and the paddle.

2. A lock body square core anti-gap structure according to claim 1, characterized in that: Two limiting holes are provided on the upper paddle, and the two limiting holes are provided on both sides of the upper paddle hole; The lower paddle is provided with limiting posts corresponding to the two limiting holes, and the two limiting posts are provided on both sides of the lower paddle hole; The limiting column is embedded in the limiting hole, and there is a moving space for the limiting column in the limiting hole.

3. The anti-gap structure for a square core and a nut in a lock body according to claim 1, characterized in that: A lower paddle limiting piece is provided in the box body, a limiting piece groove is provided on the lower paddle limiting piece, and a lower paddle limiting groove is provided at one end of the lower paddle; wherein, The lower paddle limiting groove is clamped on the limiting piece groove.

4. The anti-gap structure for a square core and a nut in a lock body according to claim 1, wherein: The paddle spring assembly further includes a compression spring, wherein: A compression spring latch is provided on one side of the lower paddle, one end of the compression spring is fixed to the edge of the box body, and the other end of the compression spring is embedded in the compression spring latch.

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