A split lock structure that can be rotated left and right

Abstract

A split lock structure that can be used for left and right rotation includes a handle, a panel, a limit plate and a torsion spring arranged in the panel, the handle is rotatably connected to the panel and drives the limit plate to rotate, a reversing structure is provided in the panel, the reversing structure includes a slide slot, a slider assembly slidably connected to the slide slot, the limit plate is provided with a ring-shaped limit part one, a limit part two, and a limit part three, the torsion spring has a resistance part one and a resistance part two respectively arranged on both sides of the reversing structure, and the limit plate is provided with a resistance pushing part inserted between the resistance part one and the resistance part two; the present invention can realize the function of right-hand rotation to open the door or left-hand rotation to open the door by arranging a reversing structure to cooperate with the limit plate; when setting, it is only necessary to rotate the handle according to its door opening method, and the reversing mechanism and the limit plate cooperate during the rotation of the handle, so that the present invention can be locked as a left-hand door handle or a right-hand door handle, which can meet the needs of users for different door opening methods and is convenient for manufacturers to produce and sell.

Description

Technical Field

[0001] The invention relates to the field of locks, and in particular to a split lock structure that can be rotated left and right for use. Background Art

[0002] When the handle decorative cover and the lock core decorative cover are separated and each has its own decorative cover, it is called a split lock.

[0003] The existing door opening methods include left-hand opening and right-hand opening, but the handles of traditional locks usually have only one direction; if the handle is installed on the left side of the door, the selected handle rotation direction is right-hand rotation to open the door; if the handle is installed on the right side of the door, the selected handle rotation direction is left-hand rotation to open the door. Since the existing handles can only be rotated to the right or left, manufacturers can only produce them according to the needs of left-hand door handles or right-hand door handles. Many accessories cannot be used universally, and additional procurement, warehousing and even mold production are required, which invisibly increases the production cost. Customers also need to purchase them separately when purchasing. If they purchase the wrong ones, they cannot be installed. Some customers also need to disassemble and assemble certain parts after purchase to achieve left-hand or right-hand opening, which is inconvenient to use and install. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a split lock structure that can be rotated left and right for use.

[0005] The technical solution adopted by the present invention to solve the technical problem is:

[0006] A split lock structure that can be used for left and right rotation, comprises a handle, a panel, a limiting plate and a torsion spring arranged in the panel, the handle is rotatably connected to the panel and drives the limiting plate to rotate, characterized in that: a reversing structure is provided in the panel, the reversing structure comprises a slide slot, a slider assembly slidably connected to the slide slot, the limiting plate is provided with a ring-shaped limiting part one, a limiting part two, and a limiting part three, the torsion spring has a resistance part one and a resistance part two respectively arranged on both sides of the reversing structure, and the limiting plate is provided with a pushing part inserted between the resistance part one and the resistance part two; when used as a right-opening door handle, the resistance part one is limited by the reversing structure, the pushing part pushes the resistance part two away from the resistance part one, and the slider assembly is inserted between the limiting part two and the limiting part three; when used as a left-opening door handle, the resistance part two is limited by the reversing structure, the pushing part pushes the resistance part one away from the resistance part two, and the slider assembly is inserted between the limiting part one and the limiting part three.

[0007] In the present invention, a reversing position is provided in the panel, the slide groove is provided in front of the opening of the reversing position, the slider assembly includes a spring provided in the reversing position and a slider slidably connected to the slide groove, and the slider is driven by the spring to be inserted between the limiting part one and the limiting part three or between the limiting part two and the limiting part three.

[0008] In the present invention, a buckle position is provided in the reversing position, and a stop portion for preventing the slider from escaping from the slide groove is provided on the slider, and the stop portion is movably embedded in the buckle position.

[0009] In the present invention, guide blocks slidably connected to the slide grooves are provided on the left and right sides of the slider, and a transverse axis corresponding to the center point of the guide block is provided on the slider. The slider is driven by a spring to rotate around the transverse axis, driving the stop portion to be embedded in the buckle position and against the blocking surface of the buckle position.

[0010] In the present invention, an inserting portion is provided at the lower end of the sliding block, and the bottom surface of the inserting portion is an arc-shaped surface concave upward.

[0011] In the present invention, a driving position is provided on the slider, and a part of the spring is arranged in the driving position to drive the slider to move.

[0012] In the present invention, the limiting plate is provided with a reversing groove located between the limiting portion 1 and the limiting portion 2, and the pushing portion is arranged at the center position in the reversing groove.

[0013] In the present invention, a guide section 1 is provided between the limiting portion 1 and the reversing groove to facilitate the sliding block to be inserted into the reversing groove and then withdrawn.

[0014] In the present invention, a second guide section is provided between the second limiting portion and the reversing groove to facilitate the sliding block to be inserted into the reversing groove and then withdrawn.

[0015] In the present invention, a sleeve is provided inside the panel, the torsion spring is sleeved outside the sleeve, the handle is provided with a rotating shaft portion for rotationally connecting with the panel, the rotating shaft portion passes through the sleeve and is engaged with the limiting plate, and the rotating shaft portion is provided with a fixing member to prevent the limiting plate from being separated from it.

[0016] Beneficial effects of the present invention: The present invention can realize the function of right-hand rotation to open the door or left-hand rotation to open the door by setting a reversing structure in conjunction with a limiting plate; when setting, it is only necessary to rotate the handle according to the door opening method, and the reversing mechanism cooperates with the limiting plate during the rotation of the handle to lock the present invention as a left-hand door handle or a right-hand door handle. This structure is simple and reasonable, easy to operate, and can meet the needs of users for different door opening methods. At the same time, it is convenient for manufacturers to produce and sell, and improves efficiency. In the present invention, a stop portion, a buckle position, a drive position, a guide section one, a guide section two and other structures are also provided to further improve the efficiency of setting the right-hand rotation to open the door or the left-hand rotation to open the door, and at the same time optimize the stability of the reversing structure to ensure that the present invention can be used stably and effectively for a long time after setting. In summary, the present invention realizes a simple and reasonable structure for setting the left and right doors, the reversing structure has high stability in use, and the reversing setting operation is simple and convenient. While meeting the needs of users, it is convenient for manufacturers to produce and sell, and is suitable for wide promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0018] Figure 1 is a three-dimensional diagram of this embodiment;

[0019] Figure 2 It is a combined schematic diagram of this embodiment;

[0020] Figure 3 is an exploded view of this embodiment;

[0021] Figure 4 It is a structural schematic diagram of a limiting piece;

[0022] Figure 5 Schematic diagram of the assembly process of the switching structure Figure 1 ;

[0023] Figure 6 Schematic diagram of the assembly process of the switching structure Figure 2 ;

[0024] Figure 7 The diagram of the reversing structure after installation Figure 1 ;

[0025] Figure 8 The diagram of the reversing structure after installation Figure 2 ;

[0026] Fig. 9 It is a structural schematic diagram of the slider;

[0027] Fig.10 This is a schematic diagram of the setting process of the present invention when used as a right-opening door handle;

[0028] Fig.11 This is a schematic diagram of the setting process of the present invention when used as a right-opening door handle. DETAILED DESCRIPTION

[0029] To make the purpose, technical solution and advantages of the embodiments of the present invention more clear, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "left", "right", "front", "back", "inside", "outside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0031] Reference Figures 1 to 4A split lock structure that can be used for left and right rotation includes a handle 1, a panel 2, and a limit plate 3 and a torsion spring 4 arranged in the panel 2. The limit plate 3 is annular, and the torsion spring 4 drives the limit plate 3 to reset. The handle 1 is rotatably connected to the panel 2 and drives the limit plate 3 to rotate. Further, a reversing structure is arranged in the panel 2, and the reversing structure includes a slide groove 5 and a slider assembly 6 slidably connected to the slide groove 5. The limit plate 3 is provided with a ring-shaped limit part 1 31, a limit part 2 32, and a limit part 33. The torsion spring 4 has a contact part 1 41 and a contact part 2 42 respectively arranged on both sides of the reversing structure. The limit plate 3 is provided with a push part 34 inserted between the contact part 1 41 and the contact part 2 42.

[0032] like Figure 2 As shown, when the present invention leaves the factory, the slider assembly 6 abuts against the top of the push portion 34 to keep the present invention in a state to be activated before installation. Then, when the handle 1 of the split lock is installed, the user only needs to rotate the handle 1 to the left or right according to the door opening mode to lock and activate the present invention as a left-opening door handle 1 or a right-opening door handle 1. The activation process is as follows:

[0033] like Fig.10 As shown, when used as a right-hand door handle 1: the handle 1 drives the limiting plate 3 to rotate counterclockwise, at which time the abutting portion 1 41 is limited by the reversing structure, and the abutting portion 34 pushes the limiting portion 2 42 away from the limiting portion 1 41 as the limiting plate 3 rotates, so as to tension the torsion spring 4 and form an elastic restoring force for the limiting plate 3 to return to its original position after continuing to rotate; the limiting portion 2 32 and the limiting portion 3 33 rotate as the limiting plate 3 rotates to correspond to the two sides of the slider assembly 6 respectively, and then the slider assembly 6 is inserted between the limiting portion 2 32 and the limiting portion 3 33 and movably contacts the limiting portion 2 32 or the limiting portion 3 33, thereby limiting the travel of the limiting plate 3 to rotate counterclockwise and return to its original position after counterclockwise rotation; at this time, the door opening rotation direction of the handle 1 is locked to counterclockwise rotation under the action of the limiting portion 2 32 and the limiting portion 3 33, forming a right-hand door handle 1 that rotates counterclockwise;

[0034] like Fig.11As shown, when used as a left-opening door handle 1: the handle 1 drives the limiting plate 3 to rotate right, at this time, the resistance part 2 42 is limited by the reversing structure, and the push part 34 pushes the resistance part 1 41 away from the resistance part 2 42 as the limiting plate 3 rotates, so as to tension the torsion spring 4 and form an elastic restoring force for the limiting plate 3 to return to its original position after continuing to rotate; the limiting part 1 31 and the limiting part 3 33 rotate as the limiting plate 3 rotates to correspond to the two sides of the slider assembly 6 respectively, and then the slider assembly 6 is inserted between the limiting part 1 31 and the limiting part 3 33 and movably contacts with the limiting part 1 31 or the limiting part 3 33, thereby limiting the right-hand rotation and the return stroke of the limiting plate 3 after right rotation; at this time, the door opening rotation direction of the handle 1 is locked to right-hand rotation under the action of the limiting part 1 31 and the limiting part 3 33, forming a left-opening door handle 1 that rotates right.

[0035] Preferably, Figures 5 and 6 As shown, a reversing position 21 is provided in the panel 2, and the slide groove 5 is provided in front of the opening of the reversing position 21. The slider assembly 6 includes a spring 61 partially provided in the reversing position 21 and a slider 62 slidably connected to the slide groove 5. The upper end of the spring 61 abuts against the top surface of the reversing position 21, and the lower end of the spring 61 abuts against the slider 62, so that the slider 62 is driven by the spring 61 to be inserted between the limiting part 1 31 and the limiting part 33 or between the limiting part 2 32 and the limiting part 33, so as to lock the present invention as a left-opening door handle 1 or a right-opening door handle 1.

[0036] Preferably, Figure 6-7 As shown, a buckle position 22 is provided in the reversing position 21, so the buckle position 22 is formed by the bottom surface of the reversing position 21 being recessed downward, and a stop portion 621 is provided on the slider 62 to prevent the slider 62 from escaping from the slide groove 5, and the stop portion 621 is movably embedded in the buckle position 22; when the spring 61 drives the slider 62 to move downward, the stop portion 621 of the slider 62 is embedded in the buckle position 22 and rests on the blocking surface of the buckle position 22.

[0037] Preferably, Figures 6 to 9As shown, the left and right sides of the slider 62 are provided with guide blocks 622 that are slidably connected to the slide slot 5, and the slider 62 is provided with a transverse axis 8 corresponding to the center point of the guide block 622. The slider 62 is rotated around the transverse axis 8 under the force of the spring 61, driving the stop portion 621 to be embedded in the buckle position 22 and against the blocking surface of the buckle position 22, so that the slider 62 is positioned. Further, one side of the opening of the driving position 624 is provided with an inclined push plane 625 connected to the top surface of the slider 62, and the upper end of the spring 61 extends with an inclined push portion 611 that can be pushed on the inclined push plane 625 to prevent the slider 62 from rotating around the transverse axis 8 after the stop portion 621 is embedded in the buckle position 22, thereby ensuring the stability of the slider 62 in use. Further, the lower end of the slider 62 is provided with an insertion portion 623, the bottom surface of the insertion portion 623 is an upwardly concave arc surface, and the arc surface is provided with rounded corners at the position where it is connected to the left and right sides of the insertion portion 623, so as to facilitate the cooperation with the limit plate 3.

[0038] Preferably, Figure 5 , 7 As shown in , 8, in order to prevent the spring 61 from shifting during operation, a driving position 624 is provided on the slider 62, and the spring 61 is partially arranged in the driving position 624 to drive the slider 62 to move; when the stop portion 621 is embedded in the buckle position 22 and abuts against the blocking surface of the buckle position 22, the bottom surface of the driving position 624 is flush with the bottom surface of the reversing position 21, and the driving position 624 and the reversing position 21 are arranged opposite to each other to form a driving groove, and the spring 61 is arranged in the driving groove. Further, the cross section of the reversing position 21 is semicircular, and the cross section of the driving position 624 is semicircular. The reversing position 21 and the driving position 624 are arranged opposite to each other to form a driving groove with a circular or nearly circular cross section, so as to better prevent the spring 61 from deforming and shifting.

[0039] Preferably, Figure 4 As shown, the limiting plate 3 is provided with a reversing groove 35 between the limiting portion 1 31 and the limiting portion 2 32, and the pushing portion 34 is provided at the center position of the reversing groove 35, thereby ensuring that the elastic restoring force provided by the torsion spring 4 is consistent whether the present invention is used as a left-hand door handle 1 or a right-hand door handle 1. Further, the limiting portion 1 31 is symmetrically arranged with the limiting portion 2 32, and the left and right sides of the limiting portion 3 33 are symmetrically arranged, and the left side surface of the limiting portion 1 31 and the right side surface of the limiting portion 2 32 are on the same plane, thereby ensuring that the present invention is consistent in the rotation stroke of left-hand rotation or right-hand rotation whether the present invention is used as a left-hand door handle 1 or a right-hand door handle 1.

[0040] Preferably, Figure 4As shown, a guide section 136 is provided between the position-limiting portion 131 and the reversing groove 35 to facilitate the slider 62 to withdraw after being inserted into the reversing groove 35. The guide section 136 includes an inclined plane 1361 connected to the bottom of the reversing groove 35 and extending upward along the direction of the position-limiting portion 131 to cover the right side of the position-limiting portion 131, and an arc surface 1362 connected to the inclined plane 1361 and bending upward to extend to the top surface of the position-limiting portion 131. Similarly, a guide section 237 is provided between the position-limiting portion 232 and the reversing groove 35 to facilitate the slider 62 to withdraw after being inserted into the reversing groove 35. The guide section 237 includes an inclined plane 2371 connected to the bottom of the reversing groove 35 and extending upward along the direction of the position-limiting portion 232 to cover the left side of the position-limiting portion 232, and an arc surface 2372 connected to the inclined plane 2371 and bending upward to extend to the top surface of the position-limiting portion 232.

[0041] Preferably, Figure 2~3 As shown, a sleeve 23 is provided inside the panel 2, and the torsion spring 4 is sleeved outside the sleeve 23. The handle 1 is provided with a rotating shaft portion 11 for rotatably connecting with the panel 2. The rotating shaft portion 11 passes through the sleeve 23 and is engaged with the limiting plate 3. A fixing member 7 is provided on the rotating shaft portion 11 to prevent the limiting plate 3 from being separated from it. When the fixing member 7 is fixed on the rotating shaft portion 11, the limiting plate 3 is located between the fixing member 7 and the end face of the sleeve 23 to limit the axial movement of the limiting plate 3 along the rotating shaft portion 11. In this embodiment, the fixing member 7 is a retaining spring, and a retaining spring groove matching the retaining spring is provided on the rotating shaft portion 11.

[0042] Preferably, Figure 2~3 As shown, a clamping structure is provided between the rotating shaft portion 11 and the limiting plate 3, and the clamping structure includes two clamping portions 38 provided in the limiting plate 3 and two clamping grooves provided on the rotating shaft portion 11. The rotating shaft portion 11 passes through the limiting plate 3 so that the two clamping portions 38 are respectively clamped into the two clamping grooves, and the handle 1 drives the limiting plate 3 to rotate.

[0043] Preferably, Figure 2 As shown, a gasket is provided between the handle 1 and the panel 2, and the gasket is sleeved on the shaft portion 11, thereby reducing the friction between the handle 1 and the panel 2, so as to extend the service life of the handle 1. Furthermore, a driving square hole is provided on the handle 1, and the driving square hole penetrates the shaft portion 11. The driving square hole is used to connect a square bar that drives the bolt to rotate, so that the handle 1 is unlocked.

[0044] The above description is only a preferred embodiment of the present invention. As long as the technical solutions for achieving the purpose of the present invention are achieved by basically the same means, they all fall within the protection scope of the present invention.

Claims

1. A split lock structure that can be used to rotate left and right, comprising a handle (1), a panel (2), and a limiting piece (3) and a torsion spring (4) arranged in the panel (2), wherein the handle (1) is rotatably connected to the panel (2) and drives the limiting piece (3) to rotate. Features: The panel (2) is provided with a reversing structure, the reversing structure comprising a slide groove (5), a slider assembly (6) slidably connected to the slide groove (5), the limiting plate (3) is provided with a limiting portion 1 (31), a limiting portion 2 (32), and a limiting portion 3 (33) distributed in an annular manner, the torsion spring (4) has a resisting portion 1 (41) and a resisting portion 2 (42) respectively arranged on both sides of the reversing structure, and the limiting plate (3) is provided with a resisting portion (34) inserted between the resisting portion 1 (41) and the resisting portion 2 (42); The panel (2) is provided with a reversing position (21), the slide groove (5) is provided in front of the opening of the reversing position (21), the slider assembly (6) comprises a spring (61) provided in the reversing position (21), and a slider (62) slidably connected to the slide groove (5), the slider (62) is driven by the spring (61) to be inserted between the limiting part 1 (31) and the limiting part 3 (33) or between the limiting part 2 (32) and the limiting part 3 (33); The panel (2) is provided with a sleeve (23), the torsion spring (4) is sleeved outside the sleeve (23), the handle (1) is provided with a rotating shaft portion (11) for being rotatably connected to the panel (2), the rotating shaft portion (11) passes through the sleeve (23) and is engaged with the limiting plate (3), and a fixing member (7) is provided on the rotating shaft portion (11) to prevent the limiting plate (3) from being separated from the rotating shaft portion (11); When the split lock structure leaves the factory, the slider assembly (6) abuts against the top of the push portion (34) so ​​that the split lock structure remains in a ready-to-use state before installation; When used as a right-hand door handle (1), the handle (1) drives the limiting plate (3) to rotate in the left direction. At this time, the abutment portion (41) is limited by the reversing structure. The abutment portion (34) pushes the second abutment portion (42) away from the first abutment portion (41) as the limiting plate (3) rotates, thereby tensioning the torsion spring (4) and forming an elastic restoring force for the limiting plate (3) to return to its original position after further rotation. The second abutment portion (32) and the third abutment portion (33) rotate as the limiting plate (3) rotate to respectively The slider assembly (6) is then inserted between the second limiting portion (32) and the third limiting portion (33) and is in active contact with the second limiting portion (32) or the third limiting portion (33), thereby limiting the travel of the limiting piece (3) in the left direction and the return after the left rotation; at this time, the door opening rotation direction of the handle (1) is locked to the left direction under the action of the second limiting portion (32) and the third limiting portion (33), thereby forming a right-opening door handle (1) that rotates in the left direction; When used as a left-opening door handle (1), the handle (1) drives the limiting plate (3) to rotate rightward, at which time the second abutting portion (42) is limited by the reversing structure, and the pushing portion (34) pushes the first abutting portion (41) away from the second abutting portion (42) as the limiting plate (3) rotates, thereby tensioning the torsion spring (4) and forming an elastic restoring force for the limiting plate (3) to return to its original position after further rotation; the first abutting portion (31) and the third abutting portion (33) rotate as the limiting plate (3) to correspond to The slider assembly (6) is inserted between the limiting portion 1 (31) and the limiting portion 3 (33) and is in active contact with the limiting portion 1 (31) or the limiting portion 3 (33), thereby limiting the right-hand rotation of the limiting piece (3) and the return stroke after right-hand rotation; at this time, the door opening rotation direction of the handle (1) is locked to right-hand rotation under the action of the limiting portion 1 (31) and the limiting portion 3 (33), forming a right-hand rotating left-hand door handle (1).

2. According to claim 1, a split lock structure that can be rotated left and right, Features: A buckle position (22) is provided in the reversing position (21), and a stop portion (621) is provided on the slider (62) to prevent the slider (62) from falling out of the slide groove (5), and the stop portion (621) is movably embedded in the buckle position (22).

3. A split lock structure that can be rotated left and right according to claim 2, Features: The left and right sides of the slider (62) are both provided with guide blocks (622) slidably connected to the slide groove (5); the slider (62) is provided with a transverse axis (8) corresponding to the center point of the guide block (622); the slider (62) is driven by a spring (61) to rotate around the transverse axis (8), driving the stop portion (621) to be embedded in the buckle position (22) and to abut against the stop surface of the buckle position (22).

4. According to claim 1, a split lock structure that can be rotated left and right, Features: An insertion portion (623) is provided at the lower end of the sliding block (62), and the bottom surface of the insertion portion (623) is an upwardly concave arc surface.

5. According to claim 1, a split lock structure that can be rotated left and right, Features: The slider (62) is provided with a driving position (624), and the spring (61) is partially disposed in the driving position (624) to drive the slider (62) to move.

6. A split lock structure that can be rotated left and right according to claim 1, Features: The limiting plate (3) is provided with a reversing groove (35) located between the first limiting portion (31) and the second limiting portion (32), and the push portion (34) is arranged at a central position in the reversing groove (35).

7. A split lock structure that can be rotated left and right according to claim 6, Features: A guide section (36) is provided between the first limiting portion (31) and the reversing groove (35) to facilitate the sliding block (62) to be inserted into the reversing groove (35) and then withdrawn.

8. A split lock structure that can be rotated left and right according to claim 6, Features: A second guide section (37) is provided between the second limiting portion (32) and the reversing groove (35) to facilitate the sliding block (62) to be inserted into the reversing groove (35) and then withdrawn.

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