Handle assembly

Abstract

The utility model discloses a handle assembly which comprises a panel and a handle, a driving shaft is arranged on the handle, a square hole for a square rod to be inserted is formed in the end portion of the driving shaft, a shaft hole is formed in the panel, the driving shaft penetrates through the shaft hole from the front face of the panel to extend to the back face of the panel, and a rotating piece and a reset torsion spring are arranged on the back face of the panel. The rotating sheet is linked and mounted on the periphery of the driving shaft; the limiting piece is installed on the back face of the panel and comprises a base plate and a reinforcing bend, the base plate is provided with a via hole, the edge of the back face of the panel is provided with a reinforcing flange extending in the direction perpendicular to the panel, and the base plate is tightly attached to the back face of the panel. The reinforcing bends on the two sides of the base plate are tightly attached to the left inner side and the right inner side of the reinforcing flange respectively. A limiting piece is arranged on the base plate, and a first limiting protruding part and a second limiting protruding part are arranged on the periphery of the rotating piece. According to the utility model, the strength can meet the requirement on the basis that the panel is thinner, so that the processing is facilitated, and the production cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of handles, in particular to a handle assembly. Background Art

[0002] A handle lock installed on the door, which controls the opening and closing of the door lock by the forward and reverse rotation of the handle.

[0003] The utility model patent with patent publication (announcement) number CN215803857U discloses a lock body panel structure with interchangeable handle directions, including a panel and a handle with a rotating shaft, a rotating shaft hole is provided on the panel, and the rotating shaft passes through the rotating shaft hole; a rotating piece and a reset torsion spring for driving the rotating piece to reset are provided on the inner side surface of the panel, the rotating piece is fitted on the rotating shaft and can rotate with the rotation of the rotating shaft, two pairs of fixed-point limit groups are provided on the rotating piece, a pair of fixed-point limit groups include a first protruding limit portion and a second protruding limit portion provided on the rotating piece, a limit column is provided on the inner side surface of the panel, the reset torsion spring drives the first protruding limit portion on the rotating piece to maintain a normal state of abutting against the limit column, the rotating shaft can drive the rotating piece to rotate until the second protruding limit portion abuts against the limit column, and the arc stroke from the first protruding limit portion to the second protruding limit portion satisfies the lock tongue to retract into the lock body or extend out of the lock body.

[0004] In the prior art, the limit column is usually welded to the panel, so the panel needs to be thickened to ensure that the strength meets the requirements (if it is too thin, there is a risk of welding through or breaking during use). However, when the panel is thicker, not only the processing difficulty (such as punching, bending, etc.) increases, but also the use of the rear panel also increases the use of raw materials, and the production cost is high. Therefore, it is necessary to improve the structure. Utility Model Content

[0005] The purpose of the utility model is to provide a handle assembly. The utility model can ensure that the strength meets the requirements on the basis of a thinner panel, which is not only more conducive to processing but also can reduce production costs.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handle assembly, comprising a panel and a handle, the handle is provided with a driving shaft, the end of the driving shaft is provided with a square hole for inserting a square rod, the panel is provided with an axial hole, the driving shaft extends from the front of the panel through the axial hole to the back of the panel, the back of the panel is provided with a rotating piece and a reset torsion spring for driving the rotating piece to reset, and the rotating piece is installed on the outer periphery of the driving shaft in a linkage manner; it also includes a limiting member installed on the back of the panel, the limiting member includes a base plate and a left and right side provided on the base plate. Reinforced bends on both sides, a through hole for the drive shaft to pass through is opened on the base plate, and a reinforced flange extending in a direction perpendicular to the panel is provided at the edge of the back side of the panel, the base plate is tightly fitted with the back side of the panel, and the reinforced bends on both sides of the base plate are tightly fitted with the left and right inner sides of the reinforced flange respectively; a limit plate is provided on the base plate, and the outer periphery of the rotating plate is provided with a first limit protrusion for abutting against the limit plate to form a limit when rotating clockwise, and a second limit protrusion for abutting against the limit plate to form a limit when rotating counterclockwise.

[0007] By adopting the above technical scheme, a limit piece is arranged on the back of the panel, and the limit piece is sleeved on the outer periphery of the driving shaft of the handle. At the same time, the base plate of the limit piece is fitted with the back of the panel, and the reinforced bends on both sides of the limit piece are fitted with the reinforced flanges of the panel. The limit piece on the base plate of the limit piece replaces the function of the original limit column and is used to limit the travel of the rotating piece. Therefore, there is no need to thicken the panel, and the installation of the limit piece is stable and reliable. It can also use cheaper materials, such as aluminum, so as to ensure that the strength meets the requirements on the basis of a thinner panel, which is not only more conducive to processing but also can reduce production costs.

[0008] The utility model is further configured that the limiting piece on the base plate is formed by partially cutting and bending the base plate.

[0009] By adopting the above technical solution, the processing of the limiting piece is very convenient and conducive to production.

[0010] The utility model is further configured such that a limiting step is formed between the drive shaft and the handle, the limiting step is pressed against the front side of the panel, an annular groove is provided at a portion of the drive shaft near the end, a retaining ring is clamped on the annular groove, and the retaining ring presses the rotating plate, the return torsion spring and the limiting member against the back side of the panel.

[0011] By adopting the above technical solution, the positioning installation of the handle, the rotating piece, the reset torsion spring and the limiter can be realized, the installation structure is simple and reliable, and the disassembly and assembly are very convenient.

[0012] The utility model is further configured that two limiting grooves are symmetrically arranged on the side of the driving shaft, and the limiting grooves extend axially to the end of the driving shaft, and the rotating plate is provided with two limiting protrusions which are respectively inserted into the corresponding limiting grooves.

[0013] By adopting the above technical solution, the linkage between the driving shaft and the rotating piece can be achieved.

[0014] The utility model is further configured that the reset torsion spring is sleeved on the outer periphery of the driving shaft, and one end of the reset torsion spring is inserted into one of the limiting grooves, and the other end of the reset torsion spring is in contact with the limiting sheet.

[0015] By adopting the above technical solution, the positioning installation of the reset torsion spring can be achieved.

[0016] The utility model is further configured that a screw hole connected to the square hole is vertically opened at the bottom of the handle, and a hexagonal stud for tightening the square rod is threadedly connected to the screw hole.

[0017] By adopting the above technical solution, the hexagon socket screw is tightened to press against the square rod in the linkage shaft, so that the square rod can be positioned and installed. The hexagon socket screw can be loosened to release the lock on the square rod, making the disassembly and assembly of the square rod very convenient.

[0018] The utility model is further configured such that the handle is L-shaped, comprising a follower portion, a handle portion, and a corner portion arranged between the follower portion and the handle portion, wherein the cross-sectional area of ​​the corner portion gradually decreases in a direction approaching the follower portion, the cross-sectional area of ​​the handle portion gradually increases in a direction away from the corner portion, and a conical protrusion extending toward the periphery is provided at the junction of the corner portion and the handle portion.

[0019] By adopting the above technical solution, the design makes the handle not only more beautiful but also more comfortable to the hand.

[0020] The utility model is further configured that an elastic gasket is sandwiched between the limiting step and the panel.

[0021] By adopting the above technical solution, hard contact between the handle and the panel can be prevented, which not only protects the handle and the panel but also avoids the generation of noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall front structure of the utility model;

[0023] Figure 2 It is a schematic diagram of the back structure of the utility model as a whole;

[0024] Figure 3 It is a transverse cross-sectional view of the utility model as a whole;

[0025] Figure 4 A vertical cross-sectional view of the utility model as a whole;

[0026] Figure 5 An exploded view of the utility model as a whole;

[0027] Figure 6 This is a schematic diagram of the installation structure of the rotary sheet of the utility model;

[0028] Figure 7 It is a schematic diagram of the installation structure of the reset torsion spring of the utility model.

[0029] In the figure: 1. panel; 2. handle; 3. drive shaft; 4. shaft hole; 5. rotating plate; 6. reset torsion spring; 7. limiter; 8. base plate; 9. reinforced bending; 10. through hole; 11. reinforced flange; 12. limiter; 13. first limiter protrusion; 14. second limiter protrusion; 15. limiter step; 16. annular groove; 17. retaining ring; 18. limiter groove; 19. limiter protrusion; 20. screw hole; 21. hexagonal stud; 22. follower; 23. handle; 24. corner; 25. conical protrusion; 26. elastic washer; 27. square hole. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Example: As shown in the attached Figures 1 to 7A handle assembly shown in the figure comprises a panel and a handle, wherein a driving shaft 3 is provided on the handle 2, and a square hole 27 for inserting a square rod is provided at the end of the driving shaft 3, and an axial hole 4 is opened on the panel 1, and the driving shaft 3 extends from the front of the panel 1 through the axial hole 4 to the back of the panel 1, and a rotating piece 5 and a reset torsion spring 6 for driving the rotating piece 5 to reset are provided on the back of the panel 1, and the rotating piece 5 is installed on the outer periphery of the driving shaft 3 in a linkage manner; the handle assembly also comprises a limiting member 7 installed on the back of the panel 1, and the limiting member 7 comprises a base plate 8 and a reinforcing bend 9 arranged on the left and right sides of the base plate 8, that is, the reinforcing bend 9 and the base plate 8 are an integrated structure, so The substrate 8 is provided with a through hole 10 for the driving shaft 3 to pass through, and the size of the through hole 10 is equivalent to the diameter of the driving shaft 3. The edge of the back side of the panel 1 is provided with a reinforcing flange 11 extending in a direction perpendicular to the panel 1. The substrate 8 fits tightly against the back side of the panel 1, and the reinforcing bends 9 on both sides of the substrate 8 fit tightly against the left and right inner sides of the reinforcing flange 11 respectively; a limiting plate 12 is provided on the substrate 8, and the outer periphery of the rotating plate 5 is provided with a first limiting protrusion 13 for abutting against the limiting plate 12 to form a limit when rotating clockwise, and a second limiting protrusion 14 for abutting against the limiting plate 12 to form a limit when rotating counterclockwise. By arranging a limit member 7 on the back side of the panel 1, the limit member 7 is sleeved on the outer periphery of the driving shaft 3 of the handle 2, and at the same time, the base plate 8 of the limit member 7 is fitted with the back side of the panel 1, and the reinforced bends 9 on both sides of the limit member 7 are fitted with the reinforced flanges 11 of the panel 1. The limit plate 12 on the base plate 8 of the limit member 7 replaces the original limit column and is used to limit the travel of the rotating plate 5. Therefore, there is no need to thicken the panel 1, and the installation of the limit member 7 is stable and reliable. It can also use relatively cheap materials, such as aluminum, so that the strength can be guaranteed to meet the requirements on the basis of a thinner panel 1, which is not only more conducive to processing but also can reduce production costs.

[0032] The limiting piece 12 on the base plate 8 is formed by partially cutting and bending the base plate 8. The processing of the limiting piece 12 is very convenient and is conducive to production.

[0033] As attached Figure 2 As shown, a limiting step 15 is formed between the driving shaft 3 and the handle 2, and the limiting step 15 is pressed against the front of the panel 1. The driving shaft 3 is provided with an annular groove 16 near the end thereof, and a retaining ring 17 is clamped on the annular groove 16, and the retaining ring 17 presses the rotating piece 5, the reset torsion spring 6 and the limiting member 7 against the back of the panel 1. This design can realize the positioning installation of the handle 2, the rotating piece 5, the reset torsion spring 6 and the limiting member 7, and the installation structure is simple and reliable, and the disassembly and assembly are very convenient.

[0034] As attached Figure 6As shown, the side of the drive shaft 3 is symmetrically provided with two limiting grooves 18, and the limiting groove 18 extends axially to the end of the drive shaft 3, and the rotating piece 5 is provided with two limiting protrusions 19 respectively inserted into the corresponding limiting grooves 18. This design can realize the linkage between the drive shaft 3 and the rotating piece 5.

[0035] As attached Figure 7 As shown, the reset torsion spring 6 is sleeved on the outer periphery of the driving shaft 3, and one end of the reset torsion spring 6 is inserted into one of the limiting grooves 18, and the other end of the reset torsion spring 6 is in contact with the limiting sheet 12. This design can realize the positioning installation of the reset torsion spring 6.

[0036] As attached Figure 4 As shown, a screw hole 20 connected to the square hole 27 is vertically opened at the bottom of the handle 2, and a hexagonal screw 21 for tightening the square rod is threadedly connected to the screw hole 20. Tightening the hexagonal screw 21 to tighten the square rod located in the linkage shaft can realize the positioning and installation of the square rod, and loosening the hexagonal screw 21 can release the lock on the square rod, making the disassembly and assembly of the square rod very convenient.

[0037] As attached Figure 1 As shown, the handle 2 is L-shaped, and includes a follower portion 22, a handle portion 23, and a corner portion 24 disposed between the follower portion 22 and the handle portion 23. The cross-sectional area of ​​the corner portion 24 gradually decreases in the direction close to the follower portion 22, and the cross-sectional area of ​​the handle portion 23 gradually increases in the direction away from the corner portion 24. A conical protrusion 25 extending toward the periphery is provided at the junction of the corner portion 24 and the handle portion 23. This design makes the handle not only more beautiful, but also more comfortable to the touch.

[0038] As attached Figure 1 As shown, an elastic gasket 26 is sandwiched between the limiting step 15 and the panel 1, and the elastic gasket 26 can be a silicone gasket. This design can prevent hard contact between the handle 2 and the panel 1, not only plays a role in protecting the handle 2 and the panel 1, but also avoids noise generation.

Claims

1. A handle assembly, comprising a panel (1) and a handle (2), wherein the handle (2) is provided with a driving shaft (3), the end of the driving shaft (3) is provided with a square hole (27) for inserting a square rod, the panel (1) is provided with an axial hole (4), the driving shaft (3) passes through the axial hole (4) from the front of the panel (1) to the back of the panel (1), the back of the panel (1) is provided with a rotating piece (5) and a reset torsion spring (6) for driving the rotating piece (5) to reset, and the rotating piece (5) is installed on the outer periphery of the driving shaft (3) in a linkage manner; characterized in that: The invention also comprises a limiter (7) mounted on the back of the panel (1), the limiter (7) comprising a base plate (8) and reinforced bends (9) arranged on the left and right sides of the base plate (8); a through hole (10) for the drive shaft (3) to pass through is provided on the base plate (8); a reinforced flange (11) extending in a direction perpendicular to the panel (1) is provided at the edge of the back of the panel (1); the base plate (8) is tightly fitted with the back of the panel (1); the reinforced bends (9) on both sides of the base plate (8) are tightly fitted with the left and right inner sides of the reinforced flange (11); a limiter plate (12) is provided on the base plate (8); the outer periphery of the rotating plate (5) is provided with a first limiter protrusion (13) for abutting against the limiter plate (12) to form a limit when rotating clockwise, and a second limiter protrusion (14) for abutting against the limiter plate (12) to form a limit when rotating counterclockwise.

2. A handle assembly according to claim 1, characterized in that: The limiting piece (12) on the base plate (8) is formed by partially cutting and bending the base plate (8).

3. The handle assembly according to claim 1, characterized in that: A limiting step (15) is formed between the driving shaft (3) and the handle (2), and the limiting step (15) is pressed against the front side of the panel (1). An annular groove (16) is provided near the end of the driving shaft (3), and a retaining ring (17) is clamped on the annular groove (16). The retaining ring (17) presses the rotating plate (5), the return torsion spring (6) and the limiting member (7) against the back side of the panel (1).

4. The handle assembly according to claim 1, characterized in that: Two limiting grooves (18) are symmetrically arranged on the side of the driving shaft (3), and the limiting groove (18) extends axially to the end of the driving shaft (3). The rotating plate (5) is provided with two limiting protrusions (19) respectively inserted into the corresponding limiting grooves (18).

5. A handle assembly according to claim 4, characterized in that: The return torsion spring (6) is sleeved on the outer circumference of the driving shaft (3), and one end of the return torsion spring (6) is inserted into one of the limiting grooves (18), and the other end of the return torsion spring (6) is in contact with the limiting plate (12).

6. The handle assembly according to claim 1, characterized in that: A screw hole (20) connected to the square hole (27) is vertically provided at the bottom of the handle (2), and a hexagonal screw (21) for tightening against the square rod is threadedly connected to the screw hole (20).

7. The handle assembly according to claim 1, characterized in that: The handle (2) is L-shaped, comprising a follower portion (22), a handle portion (23), and a corner portion (24) arranged between the follower portion (22) and the handle portion (23); the cross-sectional area of ​​the corner portion (24) gradually decreases in a direction approaching the follower portion (22), and the cross-sectional area of ​​the handle portion (23) gradually increases in a direction away from the corner portion (24); and a conical protrusion (25) extending toward the periphery is provided at the junction of the corner portion (24) and the handle portion (23).

8. The handle assembly according to claim 3, characterized in that: An elastic gasket (26) is sandwiched between the limiting step (15) and the panel (1).

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