Handle assembly convenient to disassemble and assemble

Abstract

The handle assembly comprises a panel and a handle, a driving shaft is arranged on the handle, a first square hole is formed in the end portion of the driving shaft, a square rod is inserted into the first square hole, 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 the handle is arranged on the panel. A rotating piece and a reset torsion spring for driving the rotating piece to reset are arranged on the back face of the panel, and the rotating piece is installed on the periphery of the driving shaft in a linkage mode; a butt joint groove is formed in the outer end of the driving shaft, the inner end of the driving shaft is inserted into the butt joint groove, a second square hole for a square rod to be inserted is formed in the inner end of the lever handle, a screw hole communicated with the second square hole is formed in the bottom of the lever handle in the vertical direction, and an inner hexagonal stud used for abutting against the square rod is connected to the screw hole in a threaded mode. The lever handle and the driving shaft are of a split type structure, and assembling operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of handles, in particular to a handle assembly which is easy to assemble and disassemble. 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 rotating shaft and the handle are an integrated structure. During assembly, it is necessary to first grasp the handle, then pass the rotating pull through the rotating shaft hole, support the panel at the same time, and then install the rotating plate, the return torsion spring and the rotating plate on the rotating shaft through a retaining ring on the other side of the panel opposite to the handle. It is difficult for the operator to hold the various components firmly with his hands, and the assembly is difficult. Utility Model Content

[0005] The utility model aims to provide a handle assembly that is easy to assemble and disassemble. The handle and the drive shaft of the utility model adopt a split structure, which is more convenient for assembly operation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handle assembly that is easy to disassemble and assemble, comprising a panel and a handle, the handle being provided with a driving shaft, the end of the driving shaft being provided with a first square hole, a square rod being inserted into the first square hole, the panel being provided with an axial hole, the driving shaft extending from the front of the panel through the axial hole to the back of the panel, the back of the panel being provided with a rotating piece and a reset torsion spring for driving the rotating piece to reset, and the rotating piece being linked and installed on the outer periphery of the driving shaft; a docking groove being provided at the outer end of the driving shaft, the inner end of the driving shaft being inserted into the docking groove, a second square hole being provided at the inner end of the handle for inserting the square rod, a screw hole being provided vertically at the bottom of the handle for communicating with the second square hole, a hexagonal stud being threadedly connected to the screw hole for tightening the square rod.

[0007] By adopting the above technical solution, the drive shaft and the handle adopt a split structure. The drive shaft can be passed through the shaft hole of the panel first, and then the reset torsion spring and the rotating plate are installed on the drive shaft. The handle and the drive shaft are then connected. After the square rod is inserted, the hexagonal stud is screwed into the bottom of the handle and pressed against the square rod to realize the assembly of the handle assembly. It is not only more conducive to the processing of parts, but also more convenient for assembly operations.

[0008] The utility model is further configured to include a limiting base plate installed on the back of the panel, the limiting base plate is provided with a through hole for the driving shaft to pass through, the edge of the back of the panel is provided with a reinforcing flange extending in a direction perpendicular to the panel, the limiting base plate is tightly fitted with the back of the panel, and the two sides of the limiting base plate are respectively tightly fitted with the left and right inner sides of the reinforcing flange; a limiting plate is provided on the limiting base plate, and an arc-shaped trajectory groove is provided on the outer periphery of the rotating plate, and the two ends of the arc-shaped trajectory groove are respectively provided with a first limiting portion for abutting against the limiting plate to form a limit when the rotating plate rotates clockwise, and a second limiting portion for abutting against the limiting plate to form a limit when the rotating plate rotates counterclockwise.

[0009] By adopting the above technical solution, the limit plate replaces the function of the limit column in the handle assembly of the prior art, and is used to limit the travel of the rotating plate. Therefore, there is no need to thicken the panel, and the limit base plate can be made of a cheaper material, such as aluminum, so that the strength can meet the requirements while the panel is thinner, which is not only more conducive to processing, but also can reduce production costs.

[0010] The utility model is further configured that the limiting piece on the limiting bottom plate is formed by partially cutting and bending the limiting bottom plate.

[0011] By adopting the above technical solution, the processing of the limiting piece is very convenient and conducive to production.

[0012] The utility model is further configured such that a limiting step is provided at the outer end of the driving shaft, the limiting step is pressed against the front face of the panel, an annular groove is provided at the portion of the driving shaft close to the inner end, a retaining ring is clamped on the annular groove, and the retaining ring presses the rotating plate, the limiting base plate and the return torsion spring against the back face of the panel.

[0013] By adopting the above technical solution, the driving shaft, the return torsion spring, the limiter and the rotating plate can be positioned and installed, the installation structure is simple and reliable, and the disassembly and assembly are very convenient.

[0014] The utility model is further configured that a first gasket is sandwiched between the limiting step and the panel, and a second gasket is sandwiched between the retaining ring and the rotating member.

[0015] By adopting the above technical solution, not only the structure is made more compact, but also the panel and the rotating sheet can be protected.

[0016] 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 inner end of the driving shaft, and the rotating plate is provided with two limiting protrusions which are respectively inserted into the corresponding limiting grooves.

[0017] By adopting the above technical solution, the linkage between the driving shaft and the rotating piece can be achieved.

[0018] The utility model is further configured that the upper and lower ends of the limiting bottom plate are respectively provided with an upper support bend and a lower support bend extending toward the panel direction, and the upper support bend and the lower support bend are both tightly pressed against the back side of the panel.

[0019] By adopting the above technical solution, the strength of the limiting base plate and the installation stability can be further improved.

[0020] The utility model is further configured such that a torsion spring positioning groove is provided in the middle of the lower support bend, the return torsion spring is sleeved on the outer periphery of the driving shaft, one end of the return torsion spring is inserted into one of the limiting grooves, and the other end of the return torsion spring is inserted into the torsion spring positioning groove.

[0021] By adopting the above technical solution, the positioning installation of the reset torsion spring can be achieved.

[0022] The utility model is further configured that the panel is provided with a plurality of strip-shaped mounting holes extending in the vertical direction.

[0023] By adopting the above technical solution, it is convenient to install the panel on the door body or window by passing the screws through, which reduces the position and size requirements of the screw holes on the door body or window and is more conducive to installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall front structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the back structure of the utility model as a whole;

[0026] Figure 3 It is a transverse cross-sectional view of the utility model as a whole;

[0027] Figure 4 A vertical cross-sectional view of the utility model as a whole;

[0028] Figure 5 An exploded view of the utility model as a whole;

[0029] Figure 6 This is a schematic diagram of the installation structure of the rotary sheet of the utility model;

[0030] Figure 7 This is a schematic diagram of the installation structure of the reset torsion spring of the utility model;

[0031] Figure 8 This is a schematic diagram of the structure of the limiting bottom plate of the utility model;

[0032] Fig. 9 It is a structural schematic diagram of the drive shaft of the utility model.

[0033] In the figure: 1. panel; 2. handle; 3. drive shaft; 4. first square hole; 5. square rod; 6. shaft hole; 7. rotating plate; 8. reset torsion spring; 9. docking groove; 10. second square hole; 11. screw hole; 12. hexagonal stud; 13. limiting bottom plate; 14. through hole; 15. reinforcing flange; 16. limiting plate; 17. arc track groove; 18. first limiting part; 19. second limiting part; 20. limiting step; 21. annular groove; 22. retaining ring; 23. first gasket; 24. second gasket; 25. limiting groove; 26. limiting protrusion; 27. upper support bend; 28. lower support bend; 29. ​​torsion spring positioning groove; 30. strip mounting hole. DETAILED DESCRIPTION

[0034] 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.

[0035] Example: As shown in the attached Figures 1 to 9The handle assembly shown in the figure is easy to disassemble and assemble, comprising a panel 1 and a handle 2, wherein a driving shaft 3 is provided on the handle 2, a first square hole 4 is provided at the end of the driving shaft 3, a square rod 5 is inserted into the first square hole 4, an axial hole 6 is opened on the panel 1, the driving shaft 3 passes through the axial hole 6 from the front of the panel 1 to the back of the panel 1, a rotating piece 7 and a reset torsion spring 8 for driving the rotating piece 7 to reset are provided on the back of the panel 1, and the rotating piece 7 is installed on the outer periphery of the driving shaft 3 in a linkage manner; the driving The outer end of the shaft 3 is provided with a docking groove 9, and the inner end of the drive shaft 3 is inserted into the docking groove 9. The two can be clearance-fitted, transition-fitted, or interference-fitted. The inner end of the handle 2 is provided with a second square hole 10 for inserting the square rod 5. The bottom of the handle 2 is provided with a screw hole 11 vertically connected to the second square hole 10. The screw hole 11 is threadedly connected with a hexagonal screw 12 for pressing against the square rod 5. The cross-section of the first square hole 4 and the second square hole 10 is the same as that of the square rod 5. The drive shaft 3 and the handle 2 adopt a split structure. The drive shaft 3 can be passed through the shaft hole 6 of the panel 1 first, and then the reset torsion spring 8 and the rotating plate 7 are installed on the drive shaft 3. Then the handle 2 and the drive shaft 3 are docked. After the square rod 5 is inserted, the hexagonal screw 12 is screwed into the bottom of the handle 2 and pressed against the square rod 5 to realize the assembly of the handle 2 assembly, which is not only more conducive to the processing of parts, but also more convenient for assembly operation.

[0036] As attached Figures 1 to 9 As shown, the handle assembly also includes a limiting base plate 13 installed on the back of the panel 1, and a through hole 14 for the drive shaft 3 to pass through is opened on the limiting base plate 13, and a reinforcing flange 15 extending in a direction perpendicular to the panel 1 is provided at the edge of the back of the panel 1, and the limiting base plate 13 is tightly fitted with the back of the panel 1, and the two sides of the limiting base plate 13 are respectively tightly fitted with the left and right inner sides of the reinforcing flange 15; a limiting plate 16 is provided on the limiting base plate 13, and an arc-shaped trajectory groove 17 is provided on the outer periphery of the rotating plate 7, and the two ends of the arc-shaped trajectory groove 17 are respectively provided with a first limiting portion 18 for abutting against the limiting plate 16 to form a limit when the rotating plate 7 rotates clockwise, and a second limiting portion 19 for abutting against the limiting plate 16 to form a limit when the rotating plate 7 rotates counterclockwise. The limit plate 16 replaces the function of the limit column in the handle 2 assembly of the prior art, and is used to limit the travel of the rotating plate 7. Therefore, there is no need to thicken the panel 1. The limit base plate 13 can be made of a cheaper material, such as aluminum, so that the strength of the panel 1 can be guaranteed to meet the requirements while being thinner, which is not only more conducive to processing but also can reduce production costs.

[0037] The limiting piece 16 on the limiting bottom plate 13 is formed by partially cutting and bending the limiting bottom plate 13. The processing of the limiting piece 16 is very convenient and is conducive to production.

[0038] As attached Figure 4 and attached Figure 5 As shown, the outer end of the driving shaft 3 is provided with a limiting step 20, and the limiting step 20 is pressed against the front of the panel 1. The driving shaft 3 is provided with an annular groove 21 near the inner end, and a retaining ring 22 is clamped on the annular groove 21. The retaining ring 22 presses the rotating piece 7, the limiting bottom plate 13 and the reset torsion spring 8 against the back of the panel 1. This design can realize the positioning and installation of the driving shaft 3, the reset torsion spring 8, the limiting member and the rotating piece 7, and the installation structure is simple and reliable, and the disassembly and assembly are very convenient.

[0039] As attached Figure 4 and attached Figure 5 As shown, a first gasket 23 is sandwiched between the limiting step 20 and the panel 1, and a second gasket 24 is sandwiched between the retaining ring 22 and the rotating member. The first gasket 23 and the second gasket 24 can be made of silicone material or aluminum material. This design not only makes the structure more compact, but also can protect the panel 1 and the rotating piece 7.

[0040] As attached Figure 6 As shown, the side of the drive shaft 3 is symmetrically provided with two limiting grooves 25, and the limiting grooves 25 extend axially to the inner end of the drive shaft 3, and the rotating piece 7 is provided with two limiting protrusions 26 respectively inserted into the corresponding limiting grooves 25. This design can realize the linkage between the drive shaft 3 and the rotating piece 7.

[0041] As attached Figure 7 and attached Figure 8 As shown, the upper and lower ends of the limiting bottom plate 13 are respectively provided with an upper support bend 27 and a lower support bend 28 extending toward the panel 1, and the upper support bend 27 and the lower support bend 28 are both tightly pressed against the back of the panel 1. This design can further improve the strength of the limiting bottom plate 13 and the stability of installation.

[0042] As attached Figure 7 and attached Figure 8 As shown, a torsion spring positioning groove 29 is provided in the middle of the lower support bend 28, the reset torsion spring 8 is sleeved on the outer periphery of the drive shaft 3, and one end of the reset torsion spring 8 is inserted into one of the limit grooves 25, and the other end of the reset torsion spring 8 is inserted into the torsion spring positioning groove 29. This design can realize the positioning installation of the reset torsion spring 8.

[0043] As attached Figure 1 As shown, the panel 1 is provided with a plurality of strip-shaped mounting holes 30 extending vertically. This design facilitates screws to pass through and mount the panel 1 on a door or window, reduces the position and size requirements of the screw holes on the door or window, and is more conducive to installation.

Claims

1. A handle assembly that is easy to disassemble and assemble, comprising a panel (1) and a handle (2), wherein a driving shaft (3) is provided on the handle (2), a first square hole (4) is provided at the end of the driving shaft (3), a square rod (5) is inserted into the first square hole (4), an axial hole (6) is provided on the panel (1), the driving shaft (3) passes through the axial hole (6) from the front of the panel (1) to the back of the panel (1), a rotating piece (7) and a reset torsion spring (8) for driving the rotating piece (7) to reset are provided on the back of the panel (1), and the rotating piece (7) is installed on the outer periphery of the driving shaft (3) in a linkage manner; characterized in that: The outer end of the drive shaft (3) is provided with a docking groove (9), the inner end of the drive shaft (3) is inserted into the docking groove (9), the inner end of the handle (2) is provided with a second square hole (10) for inserting the square rod (5), the bottom of the handle (2) is provided with a screw hole (11) vertically connected to the second square hole (10), and the screw hole (11) is threadedly connected with a hexagonal stud (12) for tightening the square rod (5).

2. The handle assembly that is easy to assemble and disassemble according to claim 1, characterized in that: The invention also comprises a limiting bottom plate (13) mounted on the back of the panel (1), a through hole (14) for the driving shaft (3) to pass through is provided on the limiting bottom plate (13), a reinforcing flange (15) extending in a direction perpendicular to the panel (1) is provided at the edge of the back of the panel (1), the limiting bottom plate (13) is tightly fitted with the back of the panel (1), and the two sides of the limiting bottom plate (13) are respectively tightly fitted with the left and right inner sides of the reinforcing flange (15); the limiting bottom plate (13) is provided with a limiting plate (16), the outer periphery of the rotating plate (7) is provided with an arc track groove (17), and the two ends of the arc track groove (17) are respectively provided with a first limiting portion (18) for abutting against the limiting plate (16) to form a limiting position when the rotating plate (7) rotates clockwise, and a second limiting portion (19) for abutting against the limiting plate (16) to form a limiting position when the rotating plate (7) rotates counterclockwise.

3. The handle assembly that is easy to assemble and disassemble according to claim 2, characterized in that: The limiting piece (16) on the limiting bottom plate (13) is formed by partially cutting and bending the limiting bottom plate (13).

4. The handle assembly that is easy to assemble and disassemble according to claim 2, characterized in that: The outer end of the driving shaft (3) is provided with a limiting step (20), and the limiting step (20) is pressed against the front side of the panel (1). The driving shaft (3) is provided with an annular groove (21) near the inner end, and a retaining ring (22) is clamped on the annular groove (21). The retaining ring (22) presses the rotating plate (7), the limiting bottom plate (13) and the return torsion spring (8) against the back side of the panel (1).

5. The handle assembly that is easy to assemble and disassemble according to claim 4, characterized in that: A first gasket (23) is sandwiched between the limiting step (20) and the panel (1), and a second gasket (24) is sandwiched between the retaining ring (22) and the rotating member.

6. The handle assembly that is easy to assemble and disassemble according to claim 2, characterized in that: Two limiting grooves (25) are symmetrically arranged on the side of the driving shaft (3), and the limiting grooves (25) extend axially to the inner end of the driving shaft (3). The rotating plate (7) is provided with two limiting protrusions (26) respectively inserted into the corresponding limiting grooves (25).

7. The handle assembly that is easy to assemble and disassemble according to claim 6, characterized in that: An upper support bend (27) and a lower support bend (28) extending towards the panel (1) are respectively provided at the upper and lower ends of the limiting bottom plate (13), and the upper support bend (27) and the lower support bend (28) are both tightly pressed against the back of the panel (1).

8. The handle assembly that is easy to assemble and disassemble according to claim 7, characterized in that: A torsion spring positioning groove (29) is provided in the middle of the lower support bend (28); the return torsion spring (8) is sleeved on the outer circumference of the drive shaft (3); one end of the return torsion spring (8) is inserted into one of the limit grooves (25); and the other end of the return torsion spring (8) is inserted into the torsion spring positioning groove (29).

9. The handle assembly that is easy to disassemble and assemble according to claim 1, characterized in that: The panel (1) is provided with a plurality of strip-shaped mounting holes (30) extending vertically.

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